CN111959312A - Electric vehicle charging explosion-proof charging management monitoring system and method - Google Patents

Abstract

The invention relates to an electric vehicle charging explosion-proof charging management monitoring system, comprising a charging pile, a charging gun, a bearing pallet, a mechanical arm, an in-position sensor, a pressure sensor, a charging detection device, an auxiliary monitoring device and a driving circuit, a front surface of the charging pile and a driving circuit. At least one bearing support plate is arranged on the ground plane corresponding to the rear end face, the bearing support plate is connected to the ground plane through the pressure sensor, the charging gun is connected to the outer side of the charging pile through the mechanical arm, and the charging gun is electrically connected to the charging pile through wires, and A charging detection device is arranged between the wire and the charging gun. The use method includes five steps: equipment prefabrication, preliminary charging detection, circuit detection and charging, fault emergency treatment and data feedback. On the one hand, the invention can flexibly meet the needs of supporting operation and use of various different use sites;

Description

A kind of electric vehicle charging explosion-proof charging management monitoring system and method

technical field

The invention relates to an electric vehicle charging device, in particular to an electric vehicle charging explosion-proof charging management monitoring system and a use method.

Background technique

At present, the charging operation of electric vehicles is based on the traditional charging pile equipment. Because the charging protection equipment used in the current charging pile equipment often adopts the traditional circuit system based on overload protection circuit and leakage protection circuit, resulting in On the one hand, the charging pile equipment in the schedule is relatively poor in adaptability to the workplace and charging vehicles, which seriously affects the flexibility, convenience and versatility of its operation; on the other hand, in the charging operation, the current charging is mainly through the charging pile The control circuit monitors the circuit status of the charging pile during the charging process to ensure the safety of the charging operation. However, this kind of charging safety protection operation is not comprehensive, and it is impossible to timely and effectively discover and carry out the charging operation personnel, vehicle conditions and fire hazards. Reliable and effective safe handling and alarming, resulting in the current use of charging piles for vehicle charging operations, which are prone to potential safety hazards such as power theft, short circuits caused by circuit faults, electric shocks caused by leakage, and fires, resulting in current electric vehicle equipment. The safety and reliability of charging are relatively poor and cannot effectively meet the needs of use.

Therefore, in view of this situation, it is urgent to develop a new charging pile charging management system and method to meet the needs of practical use.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the prior art, the present invention provides a brand-new charging safety protection system. The present invention has a simple structure and is flexible and convenient to use. On the one hand, it can flexibly meet the needs of a variety of different use sites for supporting operation and use, and at the same time, it can flexibly meet It has good flexibility and versatility to meet the needs of key operations of a variety of vehicles; on the other hand, in the charging operation, it has a good monitoring ability, which can timely and effectively discover the hidden safety hazards and theft of electricity in the charging operation, and make the most of the hidden safety hazards. Carry out timely warning and safety protection, thereby greatly improving the safety and reliability of charging operations.

In order to achieve the above object, the present invention is realized by the following technical solutions:

An explosion-proof charging management and monitoring system for electric vehicle charging, comprising a charging pile, a charging gun, a bearing pallet, a mechanical arm, an in-position sensor, a pressure sensor, a charging detection device, an auxiliary monitoring device and a drive circuit, and the charging pile is vertically installed on a foundation base At least one of the charging piles on the ground plane corresponding to the front and rear faces of the charging pile is provided with at least one bearing bracket, the bearing bracket is 0°-90° from the horizontal plane, and is connected to the ground plane through at least one pressure sensor, and the charging gun At least two are connected to the outer side of the charging pile through the mechanical arm. The front end of the charging gun is provided with a position sensor and a pressure sensor. The axes of the position sensor and the pressure sensor are parallel to the charging gun axis. The charging gun is electrically connected to the charging pile through wires. And a charging detection device is arranged between the wire and the charging gun, and is electrically connected to the charging detection device. The auxiliary monitoring device is connected to the upper end face of the charging pile, and is hinged with the upper end face of the charging pile through the turntable mechanism. The driving circuit is embedded in the charging pile and is respectively connected with the charging pile. Electrical connection of charging pile, charging gun, mechanical arm, position sensor, pressure sensor, charging detection device, and auxiliary monitoring device.

Further, the two ends of the mechanical arm are respectively hinged with the charging gun and the outer side of the charging pile through universal hinges, and when there are two or more mechanical arms on the same side of the charging pile, each mechanical arm is automatically driven along the axis of the charging pile. Distributed up and down, and the manipulators are connected in parallel with each other, and the length of the manipulator is not less than 1 meter.

Further, the charging detection device includes a bearing shell, a terminal, a voltage transformer module, a current transformer module and a relay, the bearing shell is a closed cavity structure, and the connecting terminal is embedded in the outer side of the bearing shell, so The voltage transformer module, the current transformer module and the relay are all embedded in the bearing shell, and are respectively electrically connected with the connection terminals, and the connection terminals are respectively electrically connected with the charging gun and the wires through the connection terminals. Both the current transformer module and the relay are electrically connected to the drive circuit.

Further, at least one temperature sensor is set on the inner surface and the outer surface of the bearing shell on the side of the charging detection device, and a short circuit protection circuit, a voltage stabilization protection circuit, an overcurrent protection circuit, an overcharge protection circuit, and a current protection circuit are additionally arranged in the bearing shell. circuit, reverse connection protection circuit, undervoltage protection circuit, overload protection circuit and auxiliary control circuit, the auxiliary control circuit is respectively connected with temperature sensor, short circuit protection circuit, voltage stabilization protection circuit, overcurrent protection circuit, overcharge protection circuit, current The protection circuit, the reverse connection protection circuit, the undervoltage protection circuit, the overload protection circuit, the wiring terminal, the voltage transformer module, the current transformer module and the relay are electrically connected, and the auxiliary control circuit is also electrically connected with the driving circuit through the wiring terminal.

Further, the auxiliary monitoring device includes a turntable mechanism, a carrying tray, a monitoring camera, a distance measuring device, and a human body induction sensor. The turntable mechanism is connected to the upper end face of the charging pile, and the axis of the turntable mechanism is parallel to the charging pile axis. The carrying tray is connected to the upper end surface of the turntable mechanism and distributed coaxially. The monitoring camera, the distance measuring device and the human body induction sensor are all connected to the upper end surface of the carrying tray. The optical axis intersects the horizontal plane, and the intersection of the axis and the horizontal plane is located on the carrying pallet upper end face.

Further, the drive circuit is a circuit system based on an industrial single-chip microcomputer, and the drive circuit is additionally provided with an industrial bus module, an IGBT drive circuit module, and a data communication bus module. The bus module is electrically connected, and the industrial bus module and the IGBT drive circuit module are electrically connected to the charging pile and the charging gun respectively.

A method for using an electric vehicle charging explosion-proof charging management monitoring system, comprising the following steps:

S1, equipment prefabrication, firstly install the charging pile, charging gun, carrying plate, mechanical arm, in-position sensor, pressure sensor, charging detection device, auxiliary monitoring device and drive circuit that constitute the present invention to the designated working position, each of which The charging piles form a charging working group with 1-4 bearing pallets, and the charging working groups are connected in parallel with each other, and then the charging piles of each charging working group are electrically connected to the external power supply, and the driving circuit of each charging pile is connected to the power supply. The external monitoring circuit establishes a data connection, and at the same time connects with the external remote data server through the driving circuit, the device assembly of the present invention can be completed;

S2, preliminary detection of charging, after the completion of step S1, the charging operation can be carried out. During the charging operation, the electric vehicle to be charged is parked on the carrying pallet, and after the pressure sensor detects that the electric vehicle is parked on the carrying pallet, the drive circuit Authorize and drive the manipulator to run, and then adjust the working position of the manipulator on the one hand, electrically connect the charging gun to the charging interface of the electric vehicle to be charged, and simultaneously charge the charging gun and the electric vehicle to be charged through the in-position sensor of the charging gun The interface position is detected and positioned; the other party monitors and identifies the current operator through the monitoring camera of the auxiliary monitoring device, the distance measuring device, and the human body induction sensor, and at the same time monitors the parking position of the electric vehicle currently to be charged through the distance measuring device; And after the in-position sensor, pressure sensor and auxiliary monitoring device complete the detection of the electric vehicle to be charged, the current position of the manipulator can be locked by the drive circuit on the one hand, and the charging detection device and the charging pile are driven to run at the same time, and are in a standby state. ;

S3, circuit detection and charging, after the completion of step S2, the charging detection device firstly detects the phase sequence of the electrical connection between the charging gun and the electric vehicle to be charged, and the residual power of the electric vehicle to be charged; The current bus voltage and current of the charging pile are detected, and when the detection is completed and there is no fault, the electric vehicle to be charged by the charging gun can be used for charging. The connection relationship between the electric vehicle and the charging gun, the remaining power of the electric vehicle to be charged, the current, voltage, charging power, leakage, overload, and undervoltage of the charging circuit are synchronously detected. The vehicle position and human factor interference during the charging process are detected. After the charging operation is completed, the electric connection between the charging pile and the charging gun is cut off by the driving circuit, so as to complete the charging operation;

S4, fault emergency treatment, during the charging process:

When the charging power exceeds the normal range, and leakage, undervoltage, missing items, short circuit and open circuit occur during the charging operation, the driving circuit will cut off the electrical connection between the charging pile and the charging gun;

When the parking position of the electric vehicle to be charged changes or the charging gun is forcibly pulled out due to human factors, the drive circuit cuts off the electrical connection between the charging pile and the charging gun;

When the temperature sensor detects that the temperature is too high and the monitoring camera of the auxiliary monitoring device detects a fire, the drive circuit cuts off the electrical connection between the charging pile and the charging gun;

S5, data feedback, during the charging process, the drive circuit sends the charging data detected in step S3 and the fault alarm information detected in step S4 to the external remote data server synchronously, and the external remote data server pushes the received data information to The mobile communication terminal of the charging personnel can complete the charging data feedback operation.

The invention is simple in structure, flexible and convenient to use. On the one hand, it can flexibly meet the needs of supporting operation and use of various different use sites, and at the same time, it can flexibly meet the needs of key operations of various vehicles, and has good use flexibility and versatility; During the operation, it has good monitoring ability, which can timely and effectively discover the hidden dangers and power theft in the charging operation, and give timely warning and safety protection to the hidden dangers, thus greatly improving the safety and reliability of the charging operation. .

Description of drawings

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the structural representation of the present invention;

2 is a schematic structural diagram of a charging detection device;

3 is a schematic diagram of the electrical principle structure of the present invention;

Figure 4 is a flow chart of the method of the present invention.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

As shown in Figures 1-3, an electric vehicle charging explosion-proof charging management and monitoring system includes a charging pile 1, a charging gun 2, a carrying plate 3, a mechanical arm 4, an in-position sensor 5, a pressure sensor 6, a charging detection device 7, Auxiliary monitoring device 8 and driving circuit 9, at least one charging pile 1 is vertically installed on the foundation base, and at least one bearing support plate 3 is provided on the ground plane corresponding to the front end surface and the rear end surface of the charging pile 1. The horizontal plane is 0°-90°, and is connected to the ground plane through at least one pressure sensor 6. At least two charging guns 2 are connected to the outer side of the charging pile 1 through the mechanical arm 4. The front end of the charging gun 2 is provided with an in-position sensor 5 and A pressure sensor 6, the axis of the position sensor 5 and the pressure sensor 6 are distributed parallel to the axis of the charging gun 2. The charging gun 2 is electrically connected to the charging pile 1 through the wire 10, and a charging detection device 7 is arranged between the wire 10 and the charging gun 2, and is connected with the charging gun 2. The charging detection device 7 is electrically connected, the auxiliary monitoring device 8 is connected to the upper end face of the charging pile 1, and is hinged with the upper end face of the charging pile 1 through the turntable mechanism 11, and the driving circuit 9 is embedded in the charging pile 1, and is respectively connected with the charging pile 1 and the charging gun. 2. The mechanical arm 4, the position sensor 5, the pressure sensor 6, the charging detection device 7, and the auxiliary monitoring device 8 are electrically connected.

Wherein, the two ends of the said manipulator 4 are respectively hinged with the charging gun 2 and the outer side of the charging pile 1 through universal hinges, and when there are two or more manipulators 4 on the same side of the charging pile 1, each manipulator 4 It is distributed from top to bottom along the axis of the charging pile 1, and the mechanical arms 4 are connected in parallel with each other, and the length of the mechanical arms 4 is not less than 1 meter.

It should be noted that the charging detection device 7 includes a carrying case 71 , a connection terminal 72 , a voltage transformer module 73 , a current transformer module 74 and a relay 75 , the carrying case 71 is a closed cavity structure, and the connection terminal 72 is embedded in the outer side of the bearing shell 71, and the voltage transformer module 73, the current transformer module 74 and the relay 75 are all embedded in the bearing shell 71, and are respectively electrically connected with the connecting terminals 72, and the connecting terminals 72 are connected through the connecting terminals. 72 are respectively electrically connected to the charging gun 2 and the wire 10 , and the voltage transformer module 73 , the current transformer module 74 and the relay 75 are all electrically connected to the drive circuit 9 .

Further optimized, at least one temperature sensor 76 is provided on the inner surface and the outer surface of the bearing shell on the side of the charging detection device 7, and a short circuit protection circuit, a voltage stabilization protection circuit, an overcurrent protection circuit, and an overcharge protection circuit are additionally arranged in the bearing shell 71. circuit, current protection circuit, reverse connection protection circuit, undervoltage protection circuit, overload protection circuit and auxiliary control circuit, the auxiliary control circuit is respectively connected with temperature sensor, short circuit protection circuit, voltage regulation protection circuit, overcurrent protection circuit, overcharge The protection circuit, the current protection circuit, the reverse connection protection circuit, the undervoltage protection circuit, the overload protection circuit, the terminal 72, the voltage transformer module 73, the current transformer module 74 and the relay 75 are electrically connected, and the auxiliary control circuit is also connected through the terminal 72 is electrically connected to the drive circuit 9 .

It should be noted that the auxiliary monitoring device 8 includes a turntable mechanism 11 , a carrying tray 82 , a monitoring camera 83 , a distance measuring device 84 , and a human body induction sensor 81 . The turntable mechanism 11 is connected to the upper end surface of the charging pile 1 , and the turntable mechanism The axis of 11 is parallel to the axis of charging pile 1 , the carrying tray 82 is connected to the upper end surface of the turntable mechanism 11 and distributed coaxially, and the monitoring camera 83 , the distance measuring device 84 , and the human body induction sensor 81 are all connected to the upper end surface of the carrying tray 82 . , the optical axis intersects with the horizontal plane, and the intersection of its axis and the horizontal plane is located on the upper end face of the carrying pallet 3 .

In this embodiment, the drive circuit 9 is a circuit system based on an industrial single-chip microcomputer, and the drive circuit is further provided with an industrial bus module, an IGBT drive circuit module, and a data communication bus module. The industrial bus module and the IGBT drive circuit module . The data communication bus module is electrically connected, and the industrial bus module and the IGBT drive circuit module are electrically connected to the charging pile 1 and the charging gun 2 respectively.

As shown in Figure 4, a method for using an electric vehicle charging explosion-proof charging management monitoring system includes the following steps:

S1, equipment prefabrication, firstly install the charging pile, charging gun, carrying plate, mechanical arm, in-position sensor, pressure sensor, charging detection device, auxiliary monitoring device and drive circuit that constitute the present invention to the designated working position, each of which The charging piles form a charging working group with 1-4 bearing pallets, and the charging working groups are connected in parallel with each other, and then the charging piles of each charging working group are electrically connected to the external power supply, and the driving circuit of each charging pile is connected to the power supply. The external monitoring circuit establishes a data connection, and at the same time connects with the external remote data server through the driving circuit, the device assembly of the present invention can be completed;

S2, preliminary detection of charging, after the completion of step S1, the charging operation can be carried out. During the charging operation, the electric vehicle to be charged is parked on the carrying pallet, and after the pressure sensor detects that the electric vehicle is parked on the carrying pallet, the drive circuit Authorize and drive the manipulator to run, and then adjust the working position of the manipulator on the one hand, electrically connect the charging gun to the charging interface of the electric vehicle to be charged, and simultaneously charge the charging gun and the electric vehicle to be charged through the in-position sensor of the charging gun The interface position is detected and positioned; the other party monitors and identifies the current operator through the monitoring camera of the auxiliary monitoring device, the distance measuring device, and the human body induction sensor, and at the same time monitors the parking position of the electric vehicle currently to be charged through the distance measuring device; And after the in-position sensor, pressure sensor and auxiliary monitoring device complete the detection of the electric vehicle to be charged, the current position of the manipulator can be locked by the drive circuit on the one hand, and the charging detection device and the charging pile are driven to run at the same time, and are in a standby state. ;

S3, circuit detection and charging, after the completion of step S2, the charging detection device firstly detects the phase sequence of the electrical connection between the charging gun and the electric vehicle to be charged, and the residual power of the electric vehicle to be charged; The current bus voltage and current of the charging pile are detected, and when the detection is completed and there is no fault, the electric vehicle to be charged by the charging gun can be used for charging. The connection relationship between the electric vehicle and the charging gun, the remaining power of the electric vehicle to be charged, the current, voltage, charging power, leakage, overload, and undervoltage of the charging circuit are synchronously detected. The vehicle position and human factor interference during the charging process are detected. After the charging operation is completed, the electric connection between the charging pile and the charging gun is cut off by the driving circuit, so as to complete the charging operation;

S4, fault emergency treatment, during the charging process:

When the charging power exceeds the normal range, and leakage, undervoltage, missing items, short circuit and open circuit occur during the charging operation, the driving circuit will cut off the electrical connection between the charging pile and the charging gun;

When the parking position of the electric vehicle to be charged changes or the charging gun is pulled out abnormally due to human factors, the drive circuit cuts off the electrical connection between the charging pile and the charging gun;

When the temperature sensor detects that the temperature is too high and the monitoring camera of the auxiliary monitoring device detects a fire, the drive circuit cuts off the electrical connection between the charging pile and the charging gun;

S5, data feedback, during the charging process, the drive circuit sends the charging data detected in step S3 and the fault alarm information detected in step S4 to the external remote data server synchronously, and the external remote data server pushes the received data information to The mobile communication terminal of the charging personnel can complete the charging data feedback operation.

The invention is simple in structure, flexible and convenient to use. On the one hand, it can flexibly meet the needs of supporting operation and use of various different use sites, and at the same time, it can flexibly meet the needs of key operations of various vehicles, and has good use flexibility and versatility; During the operation, it has good monitoring ability, which can timely and effectively discover the hidden dangers and power theft in the charging operation, and give timely warning and safety protection to the hidden dangers, thus greatly improving the safety and reliability of the charging operation. .

Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements can be made to the present invention without departing from the spirit and scope of the present invention. Such variations and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An explosion-proof charging management monitoring system for electric vehicle charging, characterized in that: the electric vehicle charging explosion-proof charging management monitoring system comprises a charging pile, a charging gun, a load-bearing pallet, a mechanical arm, an in-position sensor, a pressure sensor, and a charging detection device , an auxiliary monitoring device and a drive circuit, the charging pile is vertically installed on the foundation base and at least one is installed on the ground plane corresponding to the front and rear faces of the charging pile. It is 0°-90° from the horizontal plane, and is connected to the ground plane through at least one pressure sensor. There are at least two charging guns, which are connected to the outer side of the charging pile through the mechanical arm. The front surface of the charging gun is provided with an in-position sensor and a A pressure sensor, the axes of the position sensor and the pressure sensor are distributed parallel to the axis of the charging gun, the charging gun is electrically connected to the charging pile through a wire, and a charging detection device is arranged between the wire and the charging gun, and is electrically connected to the charging detection device, so The auxiliary monitoring device is connected to the upper end face of the charging pile, and is hinged with the upper end face of the charging pile through the turntable mechanism. The detection device and the auxiliary monitoring device are electrically connected. 2. An electric vehicle charging explosion-proof charging management monitoring system according to claim 1, characterized in that: the two ends of the mechanical arm are respectively hinged with the charging gun and the outer side of the charging pile through a universal hinge, and the charging pile is the same When there are two or more mechanical arms on the side, the mechanical arms are distributed from top to bottom along the axis of the charging pile, and the mechanical arms are connected in parallel with each other, and the length of the mechanical arms is not less than 1 meter. 3. An electric vehicle charging explosion-proof charging management monitoring system according to claim 1, characterized in that: the charging detection device comprises a bearing shell, a connection terminal, a voltage transformer module, a current transformer module and a relay, wherein the The bearing shell is a closed cavity structure, the wiring terminals are embedded in the outer side of the bearing shell, the voltage transformer module, the current transformer module and the relay are all embedded in the bearing shell, and are respectively electrically connected with the wiring terminals. The connection terminal is electrically connected with the charging gun and the wire respectively through the connection terminal, and the voltage transformer module, the current transformer module and the relay are all electrically connected with the drive circuit. 4. An explosion-proof charging management monitoring system for electric vehicle charging according to claim 3, characterized in that: at least one temperature sensor is provided on the inner surface and the outer surface of the bearing shell on the side of the charging detection device, and another temperature sensor is provided in the bearing shell Short circuit protection circuit, voltage stabilization protection circuit, overcurrent protection circuit, overcharge protection circuit, current protection circuit, reverse connection protection circuit, undervoltage protection circuit, overload protection circuit and auxiliary control circuit, the auxiliary control circuit is respectively connected with the temperature sensor , short circuit protection circuit, voltage regulator protection circuit, overcurrent protection circuit, overcharge protection circuit, current protection circuit, reverse polarity protection circuit, undervoltage protection circuit, overload protection circuit, terminal block, voltage transformer module, current transformer module It is electrically connected with the relay, and the auxiliary control circuit is also electrically connected with the drive circuit through the wiring terminal. 5 . The electric vehicle charging explosion-proof charging management monitoring system according to claim 1 , wherein the auxiliary monitoring device comprises a turntable mechanism, a carrying tray, a monitoring camera, a distance measuring device, and a human body induction sensor. 6 . The turntable mechanism is connected to the upper end face of the charging pile, and the axis of the turntable mechanism is distributed in parallel with the axis of the charging pile. The carrying tray is connected to the upper end face of the turntable mechanism and distributed coaxially. The upper end surface of the pallet is connected, the optical axis intersects with the horizontal plane, and the intersection point of the axis and the horizontal plane is located on the upper surface of the bearing pallet. 6 . The electric vehicle charging explosion-proof charging management monitoring system according to claim 1 , wherein the driving circuit is a circuit system based on an industrial single-chip microcomputer, and the driving circuit is additionally provided with an industrial bus module and an IGBT driver. 7 . A circuit module and a data communication bus module, the industrial bus module is electrically connected with the IGBT driving circuit module and the data communication bus module, and the industrial bus module and the IGBT driving circuit module are respectively electrically connected with the charging pile and the charging gun. 7. A method of using an electric vehicle charging explosion-proof charging management monitoring system, characterized in that: the using method of the electric vehicle charging explosion-proof charging management monitoring system comprises the following steps: S1, equipment prefabrication, firstly install the charging pile, charging gun, carrying plate, mechanical arm, in-position sensor, pressure sensor, charging detection device, auxiliary monitoring device and drive circuit that constitute the present invention to the designated working position, each of which The charging piles form a charging working group with 1-4 bearing pallets, and the charging working groups are connected in parallel with each other, and then the charging piles of each charging working group are electrically connected to the external power supply, and the driving circuit of each charging pile is connected to the power supply. The external monitoring circuit establishes a data connection, and at the same time connects with the external remote data server through the driving circuit, the device assembly of the present invention can be completed; S2, preliminary detection of charging, after the completion of step S1, the charging operation can be carried out. During the charging operation, the electric vehicle to be charged is parked on the carrying pallet, and after the pressure sensor detects that the electric vehicle is parked on the carrying pallet, the drive circuit Authorize and drive the manipulator to run, and then adjust the working position of the manipulator on the one hand, electrically connect the charging gun to the charging interface of the electric vehicle to be charged, and simultaneously charge the charging gun and the electric vehicle to be charged through the in-position sensor of the charging gun The interface position is detected and positioned; the other party monitors and identifies the current operator through the monitoring camera of the auxiliary monitoring device, the distance measuring device, and the human body induction sensor, and at the same time monitors the parking position of the electric vehicle currently to be charged through the distance measuring device; And after the in-position sensor, pressure sensor and auxiliary monitoring device complete the detection of the electric vehicle to be charged, the current position of the manipulator can be locked by the drive circuit on the one hand, and the charging detection device and the charging pile are driven to run at the same time, and are in a standby state. ; S3, circuit detection and charging, after the completion of step S2, the charging detection device firstly detects the phase sequence of the electrical connection between the charging gun and the electric vehicle to be charged, and the residual power of the electric vehicle to be charged; The current bus voltage and current of the charging pile are detected, and when the detection is completed and there is no fault, the electric vehicle to be charged by the charging gun can be used for charging. The connection relationship between the electric vehicle and the charging gun, the remaining power of the electric vehicle to be charged, the current, voltage, charging power, leakage, overload, and undervoltage of the charging circuit are synchronously detected. The vehicle position and human factor interference during the charging process are detected. After the charging operation is completed, the electric connection between the charging pile and the charging gun is cut off by the driving circuit, so as to complete the charging operation; S4, fault emergency treatment, during the charging process: When the charging power exceeds the normal range, and leakage, undervoltage, missing items, short circuit and open circuit occur during the charging operation, the driving circuit will cut off the electrical connection between the charging pile and the charging gun; When the parking position of the electric vehicle to be charged changes or the charging gun is pulled out abnormally due to human factors, the drive circuit cuts off the electrical connection between the charging pile and the charging gun; When the temperature sensor detects that the temperature is too high and the monitoring camera of the auxiliary monitoring device detects a fire, the drive circuit cuts off the electrical connection between the charging pile and the charging gun; S5, data feedback, during the charging process, the drive circuit sends the charging data detected in step S3 and the fault alarm information detected in step S4 to the external remote data server synchronously, and the external remote data server pushes the received data information to The mobile communication terminal of the charging personnel can complete the charging data feedback operation.

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