CN203433095U - Program control type power battery heavy-current short circuit testing apparatus - Google Patents
Program control type power battery heavy-current short circuit testing apparatus Download PDFInfo
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- CN203433095U CN203433095U CN201320419061.2U CN201320419061U CN203433095U CN 203433095 U CN203433095 U CN 203433095U CN 201320419061 U CN201320419061 U CN 201320419061U CN 203433095 U CN203433095 U CN 203433095U
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Abstract
Provided is a program control type power battery heavy-current short circuit testing apparatus. The testing apparatus comprises a battery short circuit loop, a data acquisition circuit and a control system, wherein the control system comprises a line control controller for remote control and a program control system for program control; the program control system is composed of a programmable logic controller (PLC), a communication module and a host computer; the PLC is connected with the host computer through the communication module; the output end of the data acquisition circuit is connected with the PLC for respectively outputting acquired voltage, current and temperature data to the PLC; and the line control controller and the PLC are both connected with a magnetic blow-out switch for respectively realizing remote control and program control over the switching-off and switching-on of the magnetic blow-out switch. By using the program control type power battery heavy-current short circuit testing apparatus, a heavy-current short circuit experiment can be carried out safely in a prescribed experiment environment, and experiment data can be automatically acquired and processed.
Description
Technical field
The utility model relates to a kind of specialized equipment that the electrokinetic cell products such as the lithium-ions battery of used for electric vehicle, lead-acid accumulator, metal hydride nickel storage battery are carried out to safety test.
Background technology
According to 6.1 in the automobile industry standard QC/T743-2006 of the People's Republic of China (PRC) and the requirement of 6.2.12.3 clause, the experimental technique index of the large short circuit current proving installation of program control type electrokinetic cell is:
The ambient temperature range of test: 15 ℃ ~ 35 ℃, relative humidity: 25% ~ 85%, atmospheric pressure: 86kPa ~ 106kPa; Voltage measuring apparatus: accuracy is not less than 0.5 grade, and its internal resistance is at least 1k Ω/V; Current measuring device: accuracy is not less than 0.5 grade; Temperature measuring equipment: have suitable range, its scale division value is not more than 1 ℃, and calibration accuracy is not less than 0.5 ℃; Timer: on time, minute, second calibration, accuracy is ± 0.1%; Outside line resistance should be less than 5m Ω.
Degaussing switch is a kind of switch of the electric current for fast reducing energized circuit.Degaussing switch has major loop and control loop.Major loop is to be connected to the loop forming on the static contact of degaussing switch and moving contact, and the combined floodgate of degaussing switch and separating brake are controlled the switching of its major loop.Control loop is the circuit for controlling its minute, closing a floodgate in degaussing switch.The control loop of degaussing switch generally comprises sub-gate circuit and the closing circuit that divides, closes a floodgate for controlling degaussing switch, also comprises for controlling the tank circuit of the stored energy mechanism energy storage of degaussing switch.The stored energy mechanism that tank circuit is controlled degaussing switch completes after energy storage, and the closing circuit of degaussing switch could be controlled degaussing switch and carry out closing operation, and in making process, described stored energy mechanism releases energy.
The utility model aims to provide and a kind ofly not only can meet above-mentioned standard-required, and can also realize programmed control, Long-distance Control, controls on the spot, can carry out the collection of experimental data and the large short circuit current proving installation of the electrokinetic cell of processing.
Utility model content
Technical problem to be solved in the utility model is, provide a kind of remote controlled and can the large short circuit current proving installation of programme controlled electrokinetic cell, this device can, under the experimental situation of regulation, carry out the short circuit experiment of large battery, and automatically complete collection and the processing of experimental data safely.
The utility model takes following technical scheme to solve its technical matters: the large short circuit current proving installation of a kind of program control type electrokinetic cell, it is characterized in that, and this proving installation comprises battery short circuit loop, data acquisition circuit and control system;
Described battery short circuit loop comprises the full copper binding post for being connected with electrokinetic cell positive and negative electrode to be measured, also comprise switching copper bar and degaussing switch, the static contact of degaussing switch is connected and forms the major loop of degaussing switch with described full copper binding post by described switching copper bar respectively with moving contact;
Described data acquisition circuit comprises voltage signal acquisition circuit, current signal Acquisition Circuit and temperature signal collection circuit;
Described control system comprises for the wire control controller of Long-distance Control with for programme controlled stored program controlled, described stored program controlled is comprised of Programmable Logic Controller PLC, communication module and host computer, and described Programmable Logic Controller PLC is connected with described host computer by described communication module;
The voltage signal acquisition circuit of described data acquisition circuit, current signal Acquisition Circuit is connected with described battery short circuit loop, gather the voltage in described battery short circuit loop, current data, described temperature signal collection circuit is connected with electrokinetic cell to be measured, gather its temperature data, described voltage signal acquisition circuit, current signal Acquisition Circuit, the output terminal of temperature signal collection circuit is connected with described Programmable Logic Controller (PLC), respectively by the voltage of its collection, electric current, temperature data outputs in described Programmable Logic Controller (PLC), described wire control controller is all connected with described degaussing switch with Programmable Logic Controller (PLC), realize degaussing switch is divided respectively, Long-distance Control and the programmed control of closing a floodgate.
PLC: English program logic control, programmable logic controller (PLC), is a kind of electric controller by programmable chip decision logic.Its principal feature is with inner a large amount of defined various output relays, replaces traditional mechanical contact relay, replaces actual circuit connecting wire again by software programming mode by internal logic relation.
Described voltage signal acquisition circuit consists of Hall element, described current signal Acquisition Circuit comprises divider resistance plate and voltage isolating transmitter, the output terminal of described Hall element is connected with the voltage analog signal input end of described Programmable Logic Controller (PLC), the current analog signal input end of described Programmable Logic Controller (PLC) is successively by described voltage isolating transmitter, divider resistance plate is connected with described battery short circuit loop, described temperature signal collection circuit comprises temperature sensor and thermopair, the input end of described temperature sensor connects electrokinetic cell to be measured by thermopair, the output terminal of described temperature sensor is connected with the thermocouple signal input end of described Programmable Logic Controller (PLC).
Described data acquisition circuit also comprises voltage data display circuit and current data display circuit, described voltage data display circuit comprises Digital direct current voltage meter, described current data display circuit comprises digital DC table, described Digital direct current voltage meter and digital DC table all meet the correlation test technical requirement of the large short circuit current proving installation of program control type electrokinetic cell, described Digital direct current voltage meter connects the two ends of electrokinetic cell to be measured, and the input end of described digital DC table is connected with described Hall element.The utility model arranges voltage data display circuit and current data display circuit, makes proving installation of the present utility model can monitor more intuitively voltage, the curent change in battery short circuit loop.
The control loop of described degaussing switch comprises tank circuit, remote switching loop, long-range sub-gate circuit and temperature control sub-gate circuit, described tank circuit comprises motor M and the travel switch normally closed contact S33M/1 of series connection, described remote switching loop comprises the degaussing switch first control coil YC of series connection, remote switching button SB01 on travel switch normally opened contact S33M/2 and wire control controller, described long-range sub-gate circuit comprises the degaussing switch second control coil YU of series connection, long-range opening button SB02 on degaussing switch the first normally opened contact QFG1 and wire control controller, above-mentioned each series circuit is connected in parallel on the live wire of proving installation, between zero line input end, described temperature control sub-gate circuit is comprised of an output relay relay of Programmable Logic Controller inside, described output relay relay is in parallel with described long-range opening button SB02,
After proving installation power connection, the motor M work of tank circuit, drive the stored energy mechanism of degaussing switch to complete energy storage, after degaussing switch energy storage completes, travel switch normally closed contact S33M/1 disconnects, and corresponding its normally opened contact S33M/2 is closed, now press the remote switching button SB01 on wire control controller, degaussing switch the first control coil YC obtains electric, controls degaussing switch and closes a floodgate, and realizes the Long-distance Control of wire control controller to degaussing switch;
Degaussing switch is when "on" position, its first normally opened contact QFG1, in closure state, now presses the long-range opening button SB02 on wire control controller, and degaussing switch the second control coil YU obtains electric, control degaussing switch separating brake, realize the Long-distance Control of wire control controller to degaussing switch;
Degaussing switch is when "on" position, its first normally opened contact QFG1 is in closure state, when stored program controlled judges temperature of powered cell data exception to be measured, by Programmable Logic Controller PLC, sending temperature control sub-gate signal makes the output relay relay of Programmable Logic Controller PLC closed, degaussing switch the second control coil YU obtains electric, control degaussing switch separating brake, realize the programmed control of stored program controlled to degaussing switch.
The control loop of described degaussing switch also comprises closing circuit and on the spot sub-gate circuit on the spot, described closing circuit on the spot comprises switch knob SB3 on the spot, the described SB3 of switch knob is on the spot in parallel with the remote switching button SB01 on wire control controller in described remote switching loop, described sub-gate circuit on the spot comprises degaussing switch the 4th control coil YO, degaussing switch the 3rd normally opened contact QFG3 of series connection and opening button SB4 on the spot, and described sub-gate circuit is on the spot connected in parallel between the live wire, zero line input end of proving installation equally;
After degaussing switch energy storage completes, travel switch normally closed contact S33M/1 disconnects, and corresponding its normally opened contact S33M/2 is closed, now press switch knob SB3 on the spot, degaussing switch the first control coil YC obtains electric, controls degaussing switch and closes a floodgate, and realizes the control on the spot to degaussing switch;
Degaussing switch is when "on" position, and its 3rd normally opened contact QFG3, in closure state, now presses opening button SB4 on the spot, and degaussing switch the 4th control coil YO obtains electric, controls degaussing switch separating brake, realizes the control on the spot to degaussing switch.
As improvement of the present utility model, described proving installation also comprises working power control loop, described working power control loop comprises working power ON-OFF control circuit and working power switch executive circuit, described working power ON-OFF control circuit comprises the working power thread switching control circle YT of series connection, working power is turn-offed button SB2, the working power SB1 that releases the button, this series circuit is connected in parallel on the live wire of proving installation, between zero line input end, described working power ON-OFF control circuit also comprises working power switch the first normally opened contact KA1, working power switch the first normally opened contact KA1 and described working power are released the button, and SB1 is in parallel plays locking effect, described working power switch executive circuit consists of working power switch the second normally opened contact KA2, after connecting with the control loop of described degaussing switch, working power switch the second normally opened contact KA2 is connected in parallel on again the two ends of described working power ON-OFF control circuit,
Press the working power SB1 that releases the button, working power thread switching control circle YT obtains electric, working power switch the first normally opened contact KA1, the second normally opened contact KA2 are closed, working power switch the first normally opened contact KA1 closure makes working power thread switching control circle YT keep obtaining electricity condition, and working power switch the second normally opened contact KA2 closure makes the control loop of power supply access degaussing switch;
Press working power and turn-off button SB2, working power thread switching control circle YT dead electricity, working power switch the first normally opened contact KA1, the second normally opened contact KA2 disconnect, and working power switch the second normally opened contact KA2 disconnects the control loop power-off that makes degaussing switch.
Described proving installation also comprises indicating circuit, described indicating circuit is often opened by pilot lamp and the working power switch of connecting with described pilot lamp or normally closed contact or degaussing switch is often opened or normally closed contact forms, and described indicating circuit is connected in parallel between the live wire, zero line input end of proving installation.
State for collecting work power switch and degaussing switch, the two IO ends of described Programmable Logic Controller PLC are also connected with degaussing switch the 4th normally opened contact QFG4 with working power switch the 3rd normally opened contact KA3 respectively, and the other end of working power switch the 3rd normally opened contact KA3 and degaussing switch the 4th normally opened contact QFG4 is all connected with the DC power supply of Programmable Logic Controller PLC.
Relative prior art, the utlity model has following beneficial effect:
1) the utility model adopts and meets the data acquisition circuit that index of correlation requires, utilize full copper binding post, switching copper bar to form the short circuit loop of electrokinetic cell to be measured, be conducive to make the external circuit resistance of electrokinetic cell to be controlled at below 5m Ω, thereby make integral body of the present utility model reach Specifications requirement;
2) the utility model is provided for the wire control controller of Long-distance Control and for programme controlled stored program controlled, proving installation of the present utility model can be realized to be simultaneously remotely controlled and programmed control, host computer of the present utility model gathers voltage, electric current, the temperature data in the large short circuit current experimentation of electrokinetic cell by Programmable Logic Controller PLC, and automatically completes the processing of experimental data;
3) security of the utility model proving installation: battery short-circuit of the present utility model, by degaussing switch arc extinguishing, reduces the high-voltage arc producing in large current switching process, is conducive to strengthen the security of the utility model proving installation; In addition, the utility model battery short circuit loop adopts switching copper bar and the parts of full copper binding post as its connection, generous copper bar has good radiating effect, add the impact that full copper binding post can bear large electric current, these all make proving installation of the present utility model have better security.
Accompanying drawing explanation
Fig. 1 is the wiring diagram in the utility model battery short circuit loop;
Fig. 2 is that the circuit of the utility model preferred embodiment connects block diagram;
Fig. 3 is the electric control theory figure of the utility model preferred embodiment;
Fig. 4 is the wiring diagram of the PLC of the utility model preferred embodiment.
Embodiment
The large short circuit current proving installation of program control type electrokinetic cell of the present utility model, comprises battery short circuit loop, data acquisition circuit and control system.
As shown in Figure 1, 2, battery short circuit loop comprises the full copper binding post for being connected with electrokinetic cell 1 positive and negative electrode to be measured, also comprise switching copper bar and degaussing switch QFG, the static contact of degaussing switch QFG is connected and forms the major loop of degaussing switch with full copper binding post by switching copper bar respectively with moving contact, and the combined floodgate of degaussing switch QFG and separating brake are controlled the switching of this major loop.Degaussing switch QFG also has for controlling the control loop of degaussing switch QFG combined floodgate, separating brake, and this control loop will be told about hereinafter.
As shown in Figure 1, 2, above-mentioned data acquisition circuit comprises voltage signal acquisition circuit, current signal Acquisition Circuit and temperature signal collection circuit, also comprises voltage data display circuit and current data display circuit.
Voltage signal acquisition circuit consists of Hall element, and current signal Acquisition Circuit comprises divider resistance plate and voltage isolating transmitter.The output terminal of Hall element is connected with the voltage analog signal input end of Programmable Logic Controller PLC, and input end is connected with battery short circuit loop.The current analog signal input end of Programmable Logic Controller PLC is connected with battery short circuit loop by voltage isolating transmitter, divider resistance plate successively.Temperature signal collection circuit comprises temperature sensor and thermopair, and the input end of temperature sensor connects electrokinetic cell to be measured by thermopair, and the output terminal of temperature sensor is connected with the thermocouple signal input end of Programmable Logic Controller PLC.Voltage data display circuit comprises Digital direct current voltage meter PV, current data display circuit comprises digital DC table PA, Digital direct current voltage meter PV and digital DC table PA all meet the correlation test technical requirement of the large short circuit current proving installation of program control type electrokinetic cell, Digital direct current voltage meter PV connects the two ends of electrokinetic cell to be measured, the input end of digital DC table PA is connected with Hall element, by Hall element, is measured the electric current in battery short circuit loop and is shown its numerical value.
Above-mentioned control system comprises for the wire control controller of Long-distance Control with for programme controlled stored program controlled, stored program controlled is comprised of Programmable Logic Controller PLC, communication module and host computer, Programmable Logic Controller PLC is powered by 24V Switching Power Supply, wire control controller is all connected with degaussing switch QFG with Programmable Logic Controller PLC, realizes respectively Long-distance Control and programmed control that degaussing switch is divided, closed a floodgate.Programmable Logic Controller PLC is connected with host computer by communication module, realize communication between the two, make upper function realize the collection to the control of experimentation, experimental data by Programmable Logic Controller PLC, and complete the processing to experimental data, thereby automatically complete test.
The control loop of degaussing switch QFG comprises the sub-gate circuit for controlling degaussing switch QFG separating brake, the closing circuit closing a floodgate for controlling degaussing switch QFG, also comprise that each loop becomes relation in parallel for controlling the tank circuit of the stored energy mechanism energy storage of degaussing switch QFG.The stored energy mechanism that the tank circuit of degaussing switch QFG is controlled degaussing switch completes after energy storage, and the closing circuit of degaussing switch QFG could be controlled degaussing switch QFG and carry out closing operation, and in making process, stored energy mechanism releases energy.
In the present embodiment, above-mentioned sub-gate circuit comprises into sub-gate circuit on the spot and the long-range sub-gate circuit of relation in parallel, and above-mentioned closing circuit comprises closing circuit and remote switching loop on the spot.As shown in Figure 3,4, the part that in Fig. 3,4, dotted line is framed represents the internal circuit configuration of degaussing switch, and the part that dotted line is framed represents the building block on wire control controller.
The tank circuit of degaussing switch QFG comprises motor M and the travel switch normally closed contact S33M/1 of series connection.The remote switching loop of degaussing switch QFG comprises degaussing switch the first control coil YC, the travel switch normally opened contact S33M/2 of series connection and the remote switching button SB01 on wire control controller.The long-range sub-gate circuit of degaussing switch QFG comprises degaussing switch the second control coil YU, the degaussing switch first normally opened contact QFG1 of series connection and the long-range opening button SB02 on wire control controller.The closing circuit on the spot of degaussing switch QFG comprises switch knob SB3 on the spot, and switch knob SB3 is in parallel with the remote switching button SB01 on wire control controller in remote switching loop on the spot.Certainly the structure of closing circuit can be not limited to that this is a kind of on the spot, its only needs to realize the in the situation that of travel switch normally opened contact S33M/2 closure, thereby makes the control coil of degaussing switch obtain electric control degaussing switch to disconnect its major loop by pressing on the spot switch knob.The sub-gate circuit on the spot of degaussing switch QFG comprises degaussing switch the 4th control coil YO, degaussing switch the 3rd normally opened contact QFG3 of series connection and opening button SB4 on the spot.
As shown in Figure 2,3, 4, the proving installation of the present embodiment also comprises working power control loop, and working power control loop comprises working power ON-OFF control circuit and working power switch executive circuit.It is normally closed that working power ON-OFF control circuit comprises that the working power thread switching control circle YT, working power of series connection turn-off button SB2(), the working power SB1(that releases the button often opens), working power ON-OFF control circuit also comprises working power switch the first normally opened contact KA1, and working power switch the first normally opened contact KA1 and working power are released the button, and SB1 is in parallel plays locking effect.Working power switch executive circuit consists of working power switch the second normally opened contact KA2.Working power ON-OFF control circuit is connected in parallel between the live wire, zero line input end of proving installation, and the live wire of proving installation, zero line input end are connected with zero line N with the live wire L of 220kV alternating current by the normal contact QF1 of opening of system switching respectively.After working power switch the second normally opened contact KA2 connects with the control loop of degaussing switch, be connected in parallel on again the two ends of working power ON-OFF control circuit, make working power switch the second normally opened contact KA2 closure, only disconnect for controlling energising and the power-off of the control loop of degaussing switch.
Above-mentioned stored program controlled is mainly realized by temperature control sub-gate circuit the control of degaussing switch QFG.Temperature control sub-gate circuit is comprised of an output relay relay of Programmable Logic Controller PLC inside, and output relay relay is in parallel with described long-range opening button SB02.Certainly, how to realize and make the output relay relay of Programmable Logic Controller PLC in parallel with described long-range opening button SB02, this part belongs to prior art.
The collection of stored program controlled to degaussing switch QFG state, mainly realize in the following way: two switching value input end IO.0, the IO.1 of Programmable Logic Controller PLC is connected with degaussing switch the 4th normally opened contact QFG4 with working power switch the 3rd normally opened contact KA3 respectively, and the other end of working power switch the 3rd normally opened contact KA3 and degaussing switch the 4th normally opened contact QFG4 is all connected with the 24V direct-current switch power supply of Programmable Logic Controller PLC.
Above-mentioned proving installation also comprises indicating circuit, in the present embodiment indicating circuit comprise power supply open indicating circuit, power remove indicating circuit, test switch on the spot indicating circuit, test on the spot power-off indicating circuit, test long-range energising indicating circuit and test long-range power-off indicating circuit, above-mentioned each indicating circuit is connected in parallel between the live wire, zero line input end of proving installation.Power supply is opened the power supply that indicating circuit comprises series connection and is opened pilot lamp HL1 and working power switch the 4th normally opened contact KA4; Power remove indicating circuit comprises power remove pilot lamp HL2 and working power switch 5 constant virtues closed contact KA5 of series connection; Test switch on the spot test that indicating circuit comprises series connection electromotion pilot lamp HL3 and degaussing switch the 5th normally opened contact QFG5 on the spot; Test test that power-off indicating circuit on the spot comprises series connection power failure lamp HL4 and degaussing switch the 6th normally closed contact QFG6 on the spot; Test the long-range electromotion pilot lamp HL01 of test and degaussing switch the 7th normally opened contact QFG7 that long-range energising indicating circuit comprises series connection; Test the long-range power failure lamp HL02 of test and degaussing switch the 8th normally closed contact QFG8 that long-range power-off indicating circuit comprises series connection.
Concrete control procedure of the present utility model is as follows:
After electrokinetic cell to be measured is connected, during setup test, system switching first closes, press the working power SB1 that releases the button, working power thread switching control circle YT obtains electric, working power switch the first normally opened contact KA1, the second normally opened contact KA2 are closed, and working power switch the first normally opened contact KA1 closure makes working power thread switching control circle YT keep obtaining electricity condition, and working power switch the second normally opened contact KA2 closure makes the control loop of working power access degaussing switch;
Press working power and turn-off button SB2, working power thread switching control circle YT dead electricity, working power switch the first normally opened contact KA1, the second normally opened contact KA2 disconnect, and working power switch the second normally opened contact KA2 disconnects the control loop power-off that makes degaussing switch.
After degaussing switch working power is connected, the motor M of degaussing switch tank circuit obtains electric rotation, drives the stored energy mechanism energy storage of degaussing switch, same as the prior art herein, does not separately describe in detail.After degaussing switch energy storage completes, travel switch normally closed contact S33M/1 disconnects, and corresponding its normally opened contact S33M/2 is closed, now presses the remote switching button SB01 on switch knob SB3 on the spot or wire control controller, degaussing switch the first control coil YC obtains electric, controls degaussing switch and closes a floodgate.
Degaussing switch is when "on" position, its the first normally opened contact QFG1 and the 3rd normally opened contact QFG3 are in closure state, now press the long-range opening button SB02 on opening button SB4 on the spot or wire control controller, degaussing switch the 4th control coil YO or the second control coil YU obtain electric, control degaussing switch separating brake.
Degaussing switch is when "on" position, its first normally opened contact QFG1 is in closure state, stored program controlled judges temperature of powered cell data exception to be measured, by Programmable Logic Controller PLC, sending temperature control sub-gate signal makes the output relay relay of Programmable Logic Controller PLC closed, degaussing switch the second control coil YU obtains electric, controls degaussing switch separating brake.
Claims (8)
1. the large short circuit current proving installation of program control type electrokinetic cell, is characterized in that, this proving installation comprises battery short circuit loop, data acquisition circuit and control system;
Described battery short circuit loop comprises the full copper binding post for being connected with electrokinetic cell positive and negative electrode to be measured, also comprise switching copper bar and degaussing switch, the static contact of degaussing switch is connected and forms the major loop of degaussing switch with described full copper binding post by described switching copper bar respectively with moving contact;
Described data acquisition circuit comprises voltage signal acquisition circuit, current signal Acquisition Circuit and temperature signal collection circuit;
Described control system comprises for the wire control controller of Long-distance Control with for programme controlled stored program controlled, described stored program controlled is comprised of Programmable Logic Controller (PLC), communication module and host computer, and described Programmable Logic Controller (PLC) is connected with described host computer by described communication module;
The voltage signal acquisition circuit of described data acquisition circuit, current signal Acquisition Circuit is connected with described battery short circuit loop, gather the voltage in described battery short circuit loop, current data, described temperature signal collection circuit is connected with electrokinetic cell to be measured, gather its temperature data, described voltage signal acquisition circuit, current signal Acquisition Circuit, the output terminal of temperature signal collection circuit is connected with described Programmable Logic Controller (PLC), respectively by the voltage of its collection, electric current, temperature data outputs in described Programmable Logic Controller (PLC), described wire control controller is all connected with described degaussing switch with Programmable Logic Controller (PLC), realize degaussing switch is divided respectively, Long-distance Control and the programmed control of closing a floodgate.
2. the large short circuit current proving installation of program control type electrokinetic cell according to claim 1, it is characterized in that, described voltage signal acquisition circuit consists of Hall element, described current signal Acquisition Circuit comprises divider resistance plate and voltage isolating transmitter, the output terminal of described Hall element is connected with the voltage analog signal input end of described Programmable Logic Controller (PLC), the current analog signal input end of described Programmable Logic Controller (PLC) is successively by described voltage isolating transmitter, divider resistance plate is connected with described battery short circuit loop, described temperature signal collection circuit comprises temperature sensor and thermopair, the input end of described temperature sensor connects electrokinetic cell to be measured by thermopair, the output terminal of described temperature sensor is connected with the thermocouple signal input end of described Programmable Logic Controller (PLC).
3. the large short circuit current proving installation of program control type electrokinetic cell according to claim 2, it is characterized in that, described data acquisition circuit also comprises voltage data display circuit and current data display circuit, described voltage data display circuit comprises Digital direct current voltage meter, described current data display circuit comprises digital DC table, described Digital direct current voltage meter and digital DC table all meet the correlation test technical requirement of the large short circuit current proving installation of program control type electrokinetic cell, described Digital direct current voltage meter connects the two ends of electrokinetic cell to be measured, the input end of described digital DC table is connected with described Hall element.
4. the large short circuit current proving installation of program control type electrokinetic cell described in any one according to claims 1 to 3, it is characterized in that, the control loop of described degaussing switch comprises tank circuit, remote switching loop, long-range sub-gate circuit and temperature control sub-gate circuit, described tank circuit comprises motor (M) and the travel switch normally closed contact (S33M/1) of series connection, described remote switching loop comprises degaussing switch first control coil (YC) of series connection, remote switching button (SB01) on travel switch normally opened contact (S33M/2) and wire control controller, described long-range sub-gate circuit comprises degaussing switch second control coil (YU) of series connection, long-range opening button (SB02) on degaussing switch the first normally opened contact (QFG1) and wire control controller, above-mentioned each series circuit is connected in parallel on the live wire of proving installation, between zero line input end, described temperature control sub-gate circuit is comprised of an output relay (relay) of Programmable Logic Controller inside, described output relay (relay) is in parallel with described long-range opening button (SB02),
After proving installation power connection, the motor of tank circuit (M) work, drive the stored energy mechanism of degaussing switch to complete energy storage, after degaussing switch energy storage completes, travel switch normally closed contact (S33M/1) disconnects, corresponding its normally opened contact (S33M/2) closure, now press the remote switching button (SB01) on wire control controller, degaussing switch the first control coil (YC) obtains electric, controls degaussing switch and closes a floodgate, and realizes the Long-distance Control of wire control controller to degaussing switch;
Degaussing switch is when "on" position, its first normally opened contact (QFG1) is in closure state, now press the long-range opening button (SB02) on wire control controller, degaussing switch the second control coil (YU) obtains electric, control degaussing switch separating brake, realize the Long-distance Control of wire control controller to degaussing switch;
Degaussing switch is when "on" position, its first normally opened contact (QFG1) is in closure state, when stored program controlled judges temperature of powered cell data exception to be measured, by Programmable Logic Controller (PLC), send output relay (relay) closure that temperature control sub-gate signal makes Programmable Logic Controller (PLC), degaussing switch the second control coil (YU) obtains electric, control degaussing switch separating brake, realize the programmed control of stored program controlled to degaussing switch.
5. the large short circuit current proving installation of program control type electrokinetic cell according to claim 4, it is characterized in that, the control loop of described degaussing switch also comprises closing circuit and on the spot sub-gate circuit on the spot, described closing circuit on the spot comprises switch knob (SB3) on the spot, described switch knob on the spot (SB3) is in parallel with the remote switching button (SB01) on wire control controller in described remote switching loop, described sub-gate circuit on the spot comprises degaussing switch the 4th control coil (YO) of series connection, degaussing switch the 3rd normally opened contact (QFG3) and on the spot opening button (SB4), described sub-gate circuit is on the spot connected in parallel on the live wire of proving installation equally, between zero line input end,
After degaussing switch energy storage completes, travel switch normally closed contact (S33M/1) disconnects, corresponding its normally opened contact (S33M/2) closure, now press switch knob (SB3) on the spot, degaussing switch the first control coil (YC) obtains electric, control degaussing switch closes a floodgate, and realizes the control on the spot to degaussing switch;
Degaussing switch is when "on" position, its the 3rd normally opened contact (QFG3), in closure state, is now pressed opening button (SB4) on the spot, and degaussing switch the 4th control coil (YO) obtains electric, control degaussing switch separating brake, realize the control on the spot to degaussing switch.
6. the large short circuit current proving installation of program control type electrokinetic cell according to claim 5, it is characterized in that, described proving installation also comprises working power control loop, described working power control loop comprises working power ON-OFF control circuit and working power switch executive circuit, described working power ON-OFF control circuit comprises the working power thread switching control circle (YT) of series connection, working power is turn-offed button (SB2), working power release the button (SB1), this series circuit is connected in parallel on the live wire of proving installation, between zero line input end, described working power ON-OFF control circuit also comprises working power switch the first normally opened contact (KA1), working power switch the first normally opened contact (KA1) and described working power are released the button, and (SB1) is in parallel plays locking effect, described working power switch executive circuit consists of working power switch the second normally opened contact (KA2), working power switch the second normally opened contact (KA2) is connected in parallel on the two ends of described working power ON-OFF control circuit again after connecting with the control loop of described degaussing switch,
Press working power release the button (SB1), working power thread switching control circle (YT) obtains electric, working power switch the first normally opened contact (KA1), the second normally opened contact (KA2) closure, working power switch the first normally opened contact (KA1) closure makes working power thread switching control circle (YT) keep obtaining electricity condition, and working power switch the second normally opened contact (KA2) closure makes the control loop of power supply access degaussing switch;
Press working power and turn-off button (SB2), working power thread switching control circle (YT) dead electricity, working power switch the first normally opened contact (KA1), the second normally opened contact (KA2) disconnect, and working power switch the second normally opened contact (KA2) disconnects the control loop power-off that makes degaussing switch.
7. the large short circuit current proving installation of program control type electrokinetic cell according to claim 6, it is characterized in that, described proving installation also comprises indicating circuit, described indicating circuit is often opened by pilot lamp and the working power switch of connecting with described pilot lamp or normally closed contact or degaussing switch is often opened or normally closed contact forms, and described indicating circuit is connected in parallel between the live wire, zero line input end of proving installation.
8. the large short circuit current proving installation of program control type electrokinetic cell according to claim 7, it is characterized in that, the two switching value input ends (IO.0, IO.1) of described Programmable Logic Controller (PLC) are also connected with degaussing switch the 4th normally opened contact (QFG4) with working power switch the 3rd normally opened contact (KA3) respectively, loop break-make carried out by monitoring working power switch and degaussing switch divides, "on" position, and the other end of working power switch the 3rd normally opened contact (KA3) and degaussing switch the 4th normally opened contact (QFG4) is all connected with the DC power supply of Programmable Logic Controller (PLC).
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| CN201320419061.2U CN203433095U (en) | 2013-07-15 | 2013-07-15 | Program control type power battery heavy-current short circuit testing apparatus |
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| CN201320419061.2U CN203433095U (en) | 2013-07-15 | 2013-07-15 | Program control type power battery heavy-current short circuit testing apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259514A (en) * | 2015-11-20 | 2016-01-20 | 北京闪信鼎中技术有限公司 | Battery cell short circuit test device and method |
| CN105974330A (en) * | 2016-07-27 | 2016-09-28 | 上海市计量测试技术研究院 | Battery short circuit test device and use method thereof |
| CN107240195A (en) * | 2017-07-11 | 2017-10-10 | 许昌亿源电气有限公司 | A kind of prepaid high voltage metering box with remote control on/off switch function |
| CN107422675A (en) * | 2017-08-31 | 2017-12-01 | 广东科学技术职业学院 | A kind of Internet of Things programmable power supply monitoring system and method |
| CN107576917A (en) * | 2017-09-21 | 2018-01-12 | 中国检验检疫科学研究院 | A kind of universal single lithium battery external short circuit test method |
| CN110361659A (en) * | 2019-08-13 | 2019-10-22 | 江苏健雄电气安装工程有限公司 | A kind of remote storage battery monitoring system based on Internet of Things |
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- 2013-07-15 CN CN201320419061.2U patent/CN203433095U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259514A (en) * | 2015-11-20 | 2016-01-20 | 北京闪信鼎中技术有限公司 | Battery cell short circuit test device and method |
| CN105974330A (en) * | 2016-07-27 | 2016-09-28 | 上海市计量测试技术研究院 | Battery short circuit test device and use method thereof |
| CN107240195A (en) * | 2017-07-11 | 2017-10-10 | 许昌亿源电气有限公司 | A kind of prepaid high voltage metering box with remote control on/off switch function |
| CN107422675A (en) * | 2017-08-31 | 2017-12-01 | 广东科学技术职业学院 | A kind of Internet of Things programmable power supply monitoring system and method |
| CN107576917A (en) * | 2017-09-21 | 2018-01-12 | 中国检验检疫科学研究院 | A kind of universal single lithium battery external short circuit test method |
| CN110361659A (en) * | 2019-08-13 | 2019-10-22 | 江苏健雄电气安装工程有限公司 | A kind of remote storage battery monitoring system based on Internet of Things |
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Assignee: Jiangsu Weinuo Testing Technology Co.,Ltd. Assignor: VKAN CERTIFICATION AND TESTING Co.,Ltd. Contract record no.: X2019440000001 Denomination of utility model: Program control type power battery heavy-current short circuit testing apparatus Granted publication date: 20140212 License type: Common License Record date: 20190805 |
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