Utility model content
Technical problem to be solved in the utility model is to provide a kind of low-power consumption, low cost and the pick-up unit for roadbed vertical pipe degree of tilt convenient for installation and maintenance.
The utility model solves the problems of the technologies described above adopted technical scheme: should be for the pick-up unit of roadbed vertical pipe degree of tilt, comprise wire spool, on described wire spool, be wound with rope, the end of described rope is connected with sense terminals, on described wire spool, be provided with for driving the drive unit of wire spool rotation, described sense terminals comprises obliquity sensor assembly, control module, 3.7V lithium battery, described 3.7V lithium battery respectively with obliquity sensor assembly, control module is electrically connected to, between described 3.7V lithium battery and control module, be provided with mu balanced circuit, between described 3.7V lithium battery and obliquity sensor assembly, be provided with booster circuit, and described booster circuit is also connected with control module, between described 3.7V lithium battery and controller, be also provided with battery voltage detection circuit, described obliquity sensor assembly is connected by bus communication circuit with control module, on described control module, be connected with bluetooth module, acceleration transducer, working station indicator, on described 3.7V volt lithium battery, be connected with wireless charging receiving circuit, between described wireless charging receiving circuit and 3.7V lithium battery, be provided with lithium cell charging management/commutation circuit.
Further, described wireless charging receiving circuit comprise wireless charging receiving end, be connected with wireless charging receiving end for receiving the wireless receiving coil of magnetic field energy, described wireless charging receiving end adopts TD3168 integrated chip.
Further, described lithium cell charging management/commutation circuit adopts CN3052A integrated chip.
Further, described mu balanced circuit adopts TPS63031 integrated chip.
Further, described booster circuit adopts TPS61085 integrated chip.
Further, described control module adopts STC12LE5A32S2 integrated chip.
Further, described bus communication circuit adopts SP3485 integrated chip.
Further, described obliquity sensor assembly adopts PCT-SH-1S high accuracy number single shaft obliquity sensor assembly.
Further, described bluetooth module adopts the transmitting-receiving integrated bluetooth module of HC05.
Further, described acceleration transducer adopts MMA7361 integrated chip.
The beneficial effects of the utility model: should be low in energy consumption for the pick-up unit entire system of roadbed vertical pipe degree of tilt, can in pipeline, work the long period, its cost is lower and installation and maintenance are also convenient, and whole testing process has been avoided human intervention, can greatly guarantee to record precision and the accuracy of vertical pipe inclination data, in addition, in order to be further convenient to provide on-the-spot operation information, described working station indicator is connected with controller, by controlling the flicker frequency of working station indicator, indicate different working state of system, to better the operation information of system is fed back to user.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As Fig. 1, shown in 2, should be for the pick-up unit of roadbed vertical pipe degree of tilt, comprise wire spool 2, on described wire spool 2, be wound with rope 3, the end of described rope 3 is connected with sense terminals 4, on described wire spool 2, be provided with for driving the drive unit 1 of wire spool 2 rotations, described sense terminals 4 comprises obliquity sensor assembly, control module, 3.7V lithium battery, described 3.7V lithium battery respectively with obliquity sensor assembly, control module is electrically connected to, between described 3.7V lithium battery and control module, be provided with mu balanced circuit, between described 3.7V lithium battery and obliquity sensor assembly, be provided with booster circuit, and described booster circuit is also connected with control module, between described 3.7V lithium battery and controller, be also provided with battery voltage detection circuit, described obliquity sensor assembly is connected by bus communication circuit with control module, on described control module, be connected with bluetooth module, acceleration transducer, working station indicator, on described 3.7V volt lithium battery, be connected with wireless charging receiving circuit, between described wireless charging receiving circuit and 3.7V lithium battery, be provided with lithium cell charging management/commutation circuit.This course of work for the pick-up unit of roadbed vertical pipe degree of tilt is as described below, when control module receives " measurement " instruction by bluetooth module, control module enters full speed operation state and finishes low-speed mode, first utilize battery voltage detection circuit to check the virtual voltage of lithium battery, if voltage is normal, opening booster circuit starts working obliquity sensor assembly, if undertension, by wireless charging receiving circuit, receive the extraneous magnetic field energy providing to lithium cell charging, and then, when if voltage recovers normal, under the control of drive unit 1, sense terminals 4 moves downward along vertical pipe, the accekeration of simultaneously continuous sense acceleration sensor, acceleration transducer is the motion state for sense terminals 4, when moving to the point of appointment, closing drive unit 1 makes sense terminals 4 in static, now, obliquity sensor assembly is started working, the data meeting scheduled store of obliquity sensor component detection is in the EEPROM of control module, until measuring process is complete, when control module receives the instruction of " reading the inclination data of collection " of ground controller by bluetooth module, control module takes out data by specific algorithm from EEPROM, by bluetooth module, send, control module enters low-speed mode again, to reduce entire system power consumption, can in pipeline, work the long period, its cost is lower and installation and maintenance are also convenient, and whole testing process has been avoided human intervention, can greatly guarantee to record precision and the accuracy of vertical pipe inclination data, in addition, in order to be further convenient to provide on-the-spot operation information, described working station indicator is connected with controller, by controlling the flicker frequency of working station indicator, indicate different working state of system, to better the operation information of system is fed back to user.
Between described bus communication circuit and sensor circuit, adopt RS485 communication protocol.Between described Bluetooth circuit and control module, adopt RS232 serial communication protocol.Between described bus communication circuit and control module, adopt RS232 serial communication protocol.
Described wireless charging receiving circuit comprise wireless charging receiving end, be connected with wireless charging receiving end for receiving the wireless receiving coil of magnetic field energy, described wireless charging receiving end adopts TD3168 integrated chip.Described wireless charging receiving end is corresponding one by one with wireless charging transmitting terminal, wireless charging transmitting terminal is also connected with a wireless transmit coil, when wireless charging transmitting terminal is switched on, it is emitting electromagnetic wave outwards, and just form around a radiationless magnetic field, this magnetic field is used for and the contact of wireless charging receiving end, excite the resonance of receiving end, thereby the very little consumption of take carrys out transmitting energy as cost, described wireless charging transmitting terminal adopts T5336 integrated chip, described wireless charging receiving coil and wireless charging transmitting coil all adopt the coil of copper wire winding.Further, described lithium cell charging management/commutation circuit adopts CN3052A integrated chip.
In order to guarantee all parts of pick-up unit, can normally work, conventionally power supply supply voltage to match with the operating voltage of parts, for achieving the above object, the voltage of described lithium battery output can obtain required various operating voltage by mu balanced circuit and booster circuit.For the problem that further reduces power consumption and consider actual operating voltage, the preferred buck-boost type DC-DC of described mu balanced circuit change-over circuit TPS63031 integrated chip, preferred step-up DC-the DC of described booster circuit change-over circuit TPS61085 integrated chip, its Enable Pin is connected with control module, is convenient to energy-conservation.
In order further to obtain the virtual voltage of lithium battery, described battery voltage detection circuit adopts resistance in series dividing potential drop mode to obtain can gather voltage, and through the filtering of RC low-pass filter, control module is used AD to gather current voltage, and convert the virtual voltage of battery to, be convenient to the working condition of Real-Time Monitoring battery and charging in time.
In order further to reduce power consumption, described control module is preferably STC12LE5A32S2 integrated chip.In addition, each measurement device time can be very not long, most of the time is to be all in non-measuring state or idle condition, for fear of causing unnecessary power consumption at non-measuring state or idle condition, above-mentionedly can be arranged to low-speed mode at non-measuring state or idle condition, only receive and while starting working instruction, just recover full speed operation state.
For further can convenient operation sensor circuit, the preferred SP3485 integrated chip of described bus communication circuit, adopts RS485 protocol communication between itself and sensor circuit, between control module and bus communication circuit, adopts RS232 protocol communication.
Further, described obliquity sensor assembly adopts PCT-SH-1S high accuracy number single shaft obliquity sensor.PCT-SH-1S high accuracy number single shaft obliquity sensor is customized for industrial field control field, high resolving power reaches 0.001 °, built-in high precision 16bit A/D differential converter, by 5 rank filtering algorithms, the unidirectional inclination angle of final output value, guarantees precision and the accuracy of vertical pipe inclination data.
For further can convenient operation Bluetooth circuit, the transmitting-receiving integrated bluetooth module of the preferred HC05 of described Bluetooth circuit, adopts RS232 protocol communication between itself and control module.
In order to judge more accurately motion state, described acceleration transducer adopts MMA7361 integrated chip.