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CN207965119U - Fault detector tests system - Google Patents

Fault detector tests system Download PDF

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Publication number
CN207965119U
CN207965119U CN201820523086.XU CN201820523086U CN207965119U CN 207965119 U CN207965119 U CN 207965119U CN 201820523086 U CN201820523086 U CN 201820523086U CN 207965119 U CN207965119 U CN 207965119U
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China
Prior art keywords
lifting device
booster
fault detector
switch
current lifting
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CN201820523086.XU
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Chinese (zh)
Inventor
李�杰
董行
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Jiayuan Technology Co Ltd
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Jiangsu Jiayuan Technology Co Ltd
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Priority to CN201820523086.XU priority Critical patent/CN207965119U/en
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Abstract

The utility model embodiment is related to power grid detection technique field, and system is tested in particular to a kind of fault detector.The fault detector tests system:Detection piece, booster switch, booster, current lifting device switch, current lifting device, waveform generator and power amplifier, booster switch, booster, current lifting device switch, current lifting device and waveform generator are communicated to connect with detection piece respectively, booster switch is electrically connected with booster, booster forms high voltage transmission line circuit with fault detector, current lifting device switch is electrically connected with current lifting device, current lifting device forms big current loop with fault detector, waveform generator is electrically connected with power amplifier, and power amplifier forms big current loop with fault detector.Fault detector test system can improve the efficiency detected to fault detector.

Description

Fault detector tests system
Technical field
The utility model embodiment is related to power grid detection technique field, is tested in particular to a kind of fault detector System.
Background technology
With the increasing of domestic urban and rural power grids construction and upgrading paces, the continuous expansion of MV distribution systems coverage area, The rising of overhead transmission line and cable run quantity, fault detector is by its rapid determining fault branch and specific section, substantially Lookup time, troubleshooting time and the recovery normal power supply time of degree reduction fault point, it is a series of to improve power supply reliability etc. The characteristics of, more and more applications have been obtained in power distribution network.The quality of fault detector is very different, existing to refer to failure Show that the technology that device is detected is mostly inefficient.
Utility model content
In view of this, the utility model provides a kind of fault detector test system, can improve to fault detector The efficiency being detected.
To achieve the above object, the utility model embodiment provides a kind of fault detector test system, including:Detection Part, booster switch, booster, current lifting device switch, current lifting device, waveform generator and power amplifier;
The booster switch and the booster are communicated to connect with the detection piece respectively, the booster switch and institute Booster electrical connection is stated, the booster switch is for receiving the boosting rectifier control instruction that the detection piece is sent, according to the liter It presses control instruction to control the booster and generates high pressure;The booster also forms high voltage transmission line circuit, institute with fault detector The high pressure for stating booster generation transfers to the fault detector by the high voltage transmission line circuit;
The current lifting device switch and the current lifting device are communicated to connect with the detection piece respectively, the current lifting device switch and institute Current lifting device electrical connection is stated, when carrying out that the experiment of analog signal need not be exported, the current lifting device switch is for receiving the inspection The up-flow control instruction that part is sent is surveyed, controlling the current lifting device according to the up-flow control instruction generates high current, the up-flow Device also forms big current loop with the fault detector, and the high current that the current lifting device generates passes through the big current loop stream To the fault detector;
The waveform generator is communicated to connect with the detection piece, and the waveform generator is electrically connected with the power amplifier Connect, the one end of the power amplifier far from the waveform generator and the fault detector form big current loop, into When row needs to export the experiment of analog signal, the waveform generator is used to receive the waveform generation that the detection piece is sent and refers to It enables, waveform signal needed for instruction output is generated to the power amplifier according to the waveform, the power amplifier is used for will It is sent into big current loop after waveform signal amplification needed for described.
Optionally, the detection piece be include shell, touch screen and control chip;
The enclosure interior is accommodating cavity, and the control chip is set to the accommodating cavity;
The touch screen is embedded at the first side of the shell, and the touch screen is connect with the control chip communication;
The control chip respectively with booster switch, the booster, the current lifting device switch, the current lifting device It is communicated to connect with the waveform generator.
Optionally, the control chip respectively with the touch screen, booster switch, the booster, the liter Flow device switch, the current lifting device and the waveform generator serial communication.
Optionally, the shell is provided with the first Ethernet interface, first Ethernet interface and the control chip Communication connection;
First Ethernet interface switchs with booster switch, the booster, the current lifting device, is described respectively Current lifting device and waveform generator communication connection.
Optionally, the booster switch is provided with the second Ethernet interface, and the booster is provided with third Ethernet Interface;
Second Ethernet interface is communicated to connect with first Ethernet interface, the third Ethernet interface and institute State the communication connection of the first Ethernet interface.
Optionally, the current lifting device switch is provided with the 4th Ethernet interface, and the current lifting device is provided with the 5th Ethernet Interface;
4th Ethernet interface is communicated to connect with first Ethernet interface, the 5th Ethernet interface and institute State the communication connection of the first Ethernet interface.
Optionally, the waveform generator is provided with the 6th Ethernet interface;
6th Ethernet interface is communicated to connect with first Ethernet interface.
Optionally, the high voltage transmission line circuit is closed feedback loop.
Optionally, the big current loop is closed feedback loop.
The utility model embodiment additionally provides a kind of fault detector test system, including:Host computer information processing apparatus It sets and above-mentioned detection piece, booster switch, booster, current lifting device switch, current lifting device, waveform generator and power amplifier, Detection piece is communicated to connect with host computer information processing unit.
The fault detector that the utility model embodiment provides tests system, and booster switch and booster are coordinated, Current lifting device switch is coordinated with current lifting device, can export high current and high voltage simultaneously, and high current and high voltage are separately defeated Go out, can be with the single-phase short circuit of simulated failure indicator, ground connection, broken string and online temperature fault etc., detection piece is simulated according to these Current waveform in fault collection heavy current circuit improves the detection efficiency to fault detector.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is tested the structural schematic diagram of system by a kind of fault detector that the utility model embodiment provides.
A kind of structural schematic diagram for detection piece that Fig. 2 is provided by the utility model embodiment.
Fig. 3 is tested the structural schematic diagram of system by a kind of fault detector that the utility model embodiment provides.
A kind of flow chart for indicating fault detector detection method that Fig. 4 is provided by the utility model embodiment.
Icon:100- fault detectors test system;200- fault detectors test system;1- detection pieces;11- shells; 111- first sides;The first Ethernet interfaces of 112-;12- touch screens;13- controls chip;2- boosters switch;21- second with Too network interface;3- boosters;31- third Ethernet interfaces;4- current lifting devices switch;The 4th Ethernet interfaces of 41-;5- current lifting devices; The 5th Ethernet interfaces of 51-;6- waveform generators;The 6th Ethernet interfaces of 61-;7- power amplifiers;8- fault detectors;9- Host computer information processing unit.
Specific implementation mode
With the increasing of domestic urban and rural power grids construction and upgrading paces, the continuous expansion of MV distribution systems coverage area, The rising of overhead transmission line and cable run quantity, fault detector is by its rapid determining fault branch and specific section, substantially Lookup time, troubleshooting time and the recovery normal power supply time of degree reduction fault point, it is a series of to improve power supply reliability etc. The characteristics of, more and more applications have been obtained in power distribution network.However, because each producer produces the difference of standard, indicating fault The quality of device is very different, therefore, it is necessary to be detected to fault detector, to detect the matter of fault detector used in power distribution network Amount.
Inventor further investigation reveals that, the existing technology being detected to fault detector is mostly inefficient, through invention People carefully analyzes research, finds existing detection technique when being detected to fault detector, the test of voltage and electric current is not Can carry out testing on a machine simultaneously so the detection that causes to collecting unit time-consuming, it is few that single tests quantity, logarithm According to record all manually charge to, many-sided cannot efficiently handle data.
Defect present in the above scheme in the prior art, is that inventor is obtaining after putting into practice and carefully studying As a result, therefore, what the discovery procedure of the above problem and hereinafter the utility model embodiment were proposed regarding to the issue above Solution all should be the contribution that inventor makes the utility model during the utility model.
Based on the studies above, the utility model embodiment provides a kind of fault detector test system, can improve pair The efficiency of tracer detection.
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Usually retouched in attached drawing here The component of the utility model embodiment stated and shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " connected ", " company Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connects, and can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two members Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition Concrete meaning in type.
Fig. 1 shows a kind of structural representation for fault detector test system 100 that the utility model embodiment is provided Figure, as seen from the figure, it includes detection piece 1, booster switch 2, booster 3, current lifting device switch which, which tests system 100, 4, current lifting device 5, waveform generator 6 and power amplifier 7.
Wherein, booster switch 2 and booster 3 are communicated to connect with detection piece 1 respectively, booster switch 2 and 3 electricity of booster Connection, booster switch 2 are used to receive the boosting rectifier control instruction of the transmission of detection piece 1, and control booster 3 is instructed according to boosting rectifier control High pressure is generated, further, booster 3 also forms high voltage transmission line circuit with fault detector 8, and the high pressure that booster 3 generates is logical Too high voltages line loop transfers to fault detector 8.
Optionally, current lifting device switch 4 and current lifting device 5 are communicated to connect with detection piece 1 respectively, current lifting device switch 4 and current lifting device 5 Electrical connection, when carrying out that the experiment of analog signal need not be exported, current lifting device switch 4 is used to receive the up-flow of the transmission of detection piece 1 Control instruction generates high current according to up-flow control instruction control current lifting device 5, and current lifting device 5 also forms big electricity with fault detector 8 Road is flowed back to, the high current that current lifting device 5 generates flows to fault detector 8 by big current loop.
Optionally, waveform generator 6 is communicated to connect with detection piece 1, and waveform generator 6 is electrically connected with power amplifier 7, work( The one end of rate amplifier 7 far from waveform generator 6 forms big current loop with fault detector 8, is carrying out needing to export simulation When the experiment of signal, the waveform that waveform generator 6 is used to receive the transmission of detection piece 1 generates instruction, and it is defeated to generate instruction according to waveform Go out required waveform signal to power amplifier 7, power amplifier 7 is sent into high current after being used to amplify required waveform signal and is returned Road.
It is appreciated that fault detector test system will coordinate boosting and up-flow, realize to high current and It is exported while high voltage, can simulate the signals such as single-phase short circuit, ground connection, broken string and online temperature fault, detection piece can be with The current waveform in heavy current circuit is acquired, which is sent to processing end, judges that the current waveform is by processing end It is no correct.
Fig. 2 shows a kind of structural schematic diagrams for detection piece that the utility model embodiment is provided, as seen from the figure, the inspection It includes shell 11, touch screen 12 and control chip 13 to survey part 1.Wherein, 11 inside of shell is accommodating cavity, and control chip 13 is arranged In accommodating cavity, touch screen 12 is embedded at the first side 111 of shell 11, and touch screen 12 is communicated to connect with control chip 13.Into one Step ground, shell 11 are additionally provided with the first Ethernet interface 112, and the first Ethernet interface 112 is communicated to connect with control chip 13.
Please continue to refer to Fig. 1, booster switch 2 is provided with the second Ethernet interface 21, booster 3 be provided with third with Too network interface 31, current lifting device switch 4 are provided with the 4th Ethernet interface 41, current lifting device 5 is provided with the 5th Ethernet interface 51, wave Shape generator 6 is provided with the 6th Ethernet interface 61.Further, the second Ethernet interface 21, third Ethernet interface 31, Four Ethernet interfaces 41, the 5th Ethernet interface 51 and the 6th Ethernet interface 61 with 112 communication link of the first Ethernet interface It connects, further, the mode of communication connection is asynchronous serial communication.
Further, high voltage transmission line circuit and big current loop are closed feedback loop.
As shown in figure 3, the utility model embodiment additionally provides a kind of fault detector test system 200, including it is upper Machine information processing unit 9 and above-mentioned fault detector test system 100, wherein detection piece 1 and host computer information processing unit 9 Communication connection.
Optionally, the communication connection mode in the utility model embodiment can also use Shielded Twisted Pair, so set, It disclosure satisfy that the demand of test site.
Since fault detector test system needs to complete a large amount of data exchange and the task of data processing, In the present embodiment, fault detector tests system and selects inserted computer, and to meet above-mentioned requirements, inserted computer is a kind of incites somebody to action Some equipment such as mainboard, CPU, memory, even hard disk and interface are integrated into one piece of single-borad computer.But relative to common Single-borad computer, inserted computer then have higher integrated level and performance, support a variety of data communication modes such as Ethernet, Wi- Fi, USB etc., and multiple data communication interfaces can be carried.Therefore, inserted computer, which disclosure satisfy that, examines fault detector The basic demand of survey.
On this basis, referring to Fig. 4, a kind of fault detector detection method provided by the utility model embodiment Flow chart, the indicating fault detection method be applied to Fig. 3 in fault detector test system, below will be to shown in Fig. 4 Detailed process is described in detail:
Step S41, host computer information processing unit obtain pilot project information, according to the pilot project information to detection piece Send test instructions.
Step S42, detection piece receive test instructions, parse the test instructions, are preset according to test instructions reading Control instruction, control instruction is sent to corresponding device.
For example, for the experiment for needing Computer Simulation output analog signal, detection piece controls booster and occurs with waveform Device adjusts booster output HIGH voltage to high voltage transmission line circuit with the method for closed loop feedback, makes waveform generator with control instruction Waveform signal is to power amplifier needed for output, after power amplifier amplifies, is sent into heavy current circuit.Meanwhile the big electricity of acquisition Waveform is simultaneously sent to host computer information processing unit by current waveform in Flow Line, for judging whether simulation waveform exports just Really.When output waveform is correct, then by the action alarm condition of testing crew failure judgement indicator.
In another example for the experiment for exporting analog signal without Computer Simulation.Detection piece is respectively to booster switch, liter Depressor, current lifting device switch and current lifting device send control instruction, and output voltage, electric current are adjusted using closed-loop feedback manner.When voltage, When current value reaches experiment initial value, control relevant switching device action, all kinds of operating conditions of analog line, for testing crew Failure judgement indicator motion alarm condition.
Step S43, host computer information processing unit analyze collected current waveform and relevant information, output examination Test result.
It is appreciated that host computer information processing unit can directly obtain current waveform from circuit, inspection can also be passed through Survey part indirect gain.
To sum up, the fault detector that the utility model embodiment is provided tests system, to the connection type and electricity of equipment Road circuit is improved, and the efficiency detected to fault detector can be improved.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of fault detector tests system, which is characterized in that including:Detection piece, booster switch, booster, current lifting device Switch, current lifting device, waveform generator and power amplifier;
The booster switch and the booster are communicated to connect with the detection piece respectively, the booster switch and the liter Depressor is electrically connected, and the booster switch is controlled for receiving the boosting rectifier control instruction that the detection piece is sent according to the boosting System instruction controls the booster and generates high pressure;The booster also forms high voltage transmission line circuit, the liter with fault detector The high pressure that depressor generates transfers to the fault detector by the high voltage transmission line circuit;
The current lifting device switch and the current lifting device are communicated to connect with the detection piece respectively, the current lifting device switch and the liter Device electrical connection is flowed, when carrying out that the experiment of analog signal need not be exported, the current lifting device switch is for receiving the detection piece The up-flow control instruction of transmission controls the current lifting device according to the up-flow control instruction and generates high current, and the current lifting device is also Big current loop is formed with the fault detector, the high current that the current lifting device generates flows to institute by the big current loop State fault detector;
The waveform generator is communicated to connect with the detection piece, and the waveform generator is electrically connected with the power amplifier, The one end of the power amplifier far from the waveform generator forms big current loop with the fault detector, is being needed When exporting the experiment of analog signal, the waveform generator is used to receive the waveform that the detection piece is sent and generates instruction, root Waveform signal needed for instruction output to the power amplifier, the power amplifier is generated according to the waveform to be used for the institute It is sent into big current loop after needing waveform signal to amplify.
2. fault detector according to claim 1 tests system, which is characterized in that the detection piece be include shell, Touch screen and control chip;
The enclosure interior is accommodating cavity, and the control chip is set to the accommodating cavity;
The touch screen is embedded at the first side of the shell, and the touch screen is connect with the control chip communication;
The control chip respectively with booster switch, the booster, the current lifting device switch, the current lifting device and institute State waveform generator communication connection.
3. fault detector according to claim 2 tests system, which is characterized in that the control chip respectively with it is described Touch screen, booster switch, the booster, the current lifting device switch, the current lifting device and the waveform generator string Port communications.
4. fault detector according to claim 2 tests system, which is characterized in that the shell is provided with the first ether Network interface, first Ethernet interface are connect with the control chip communication;
First Ethernet interface respectively with booster switch, the booster, the current lifting device switch, the up-flow Device and waveform generator communication connection.
5. fault detector according to claim 4 tests system, which is characterized in that the booster switch is provided with the Two Ethernet interfaces, the booster are provided with third Ethernet interface;
Second Ethernet interface and first Ethernet interface communicate to connect, the third Ethernet interface and described the One Ethernet interface communicates to connect.
6. fault detector according to claim 4 tests system, which is characterized in that the current lifting device switch is provided with the Four Ethernet interfaces, the current lifting device are provided with the 5th Ethernet interface;
4th Ethernet interface and first Ethernet interface communicate to connect, the 5th Ethernet interface and described the One Ethernet interface communicates to connect.
7. fault detector according to claim 4 tests system, which is characterized in that the waveform generator is provided with the Six Ethernet interfaces;
6th Ethernet interface is communicated to connect with first Ethernet interface.
8. fault detector according to claim 1 tests system, which is characterized in that the high voltage transmission line circuit is closed loop Backfeed loop.
9. fault detector according to claim 1 tests system, which is characterized in that the big current loop is that closed loop is anti- It is fed back to road.
10. a kind of fault detector tests system, which is characterized in that including:
The claims 1-9 any one of them detection piece, booster switch, booster, current lifting device switch, current lifting device, wave Shape generator, power amplifier and
Host computer information processing unit;
The detection piece is communicated to connect with host computer information processing unit.
CN201820523086.XU 2018-04-12 2018-04-12 Fault detector tests system Active CN207965119U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110456297A (en) * 2019-09-02 2019-11-15 上海金智晟东电力科技有限公司 A kind of fault detector test device
CN110988769A (en) * 2019-12-04 2020-04-10 国网山东省电力公司青州市供电公司 A portable distribution line fault indicator acquisition unit tester and test method
CN113009283A (en) * 2021-03-25 2021-06-22 贵州电网有限责任公司 Power distribution network fault indicator test system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110456297A (en) * 2019-09-02 2019-11-15 上海金智晟东电力科技有限公司 A kind of fault detector test device
CN110988769A (en) * 2019-12-04 2020-04-10 国网山东省电力公司青州市供电公司 A portable distribution line fault indicator acquisition unit tester and test method
CN113009283A (en) * 2021-03-25 2021-06-22 贵州电网有限责任公司 Power distribution network fault indicator test system

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Address after: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu

Patentee after: Jiayuan Technology Co.,Ltd.

Address before: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu

Patentee before: Jiayuan Technology Co.,Ltd.

Address after: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu

Patentee after: Jiayuan Technology Co.,Ltd.

Address before: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu

Patentee before: JIANGSU JIAYUAN TECHNOLOGY Co.,Ltd.

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