CN102445656B - Detection device for electronic release of low-voltage apparatus, and control method - Google Patents
Detection device for electronic release of low-voltage apparatus, and control method Download PDFInfo
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- CN102445656B CN102445656B CN201110377464.0A CN201110377464A CN102445656B CN 102445656 B CN102445656 B CN 102445656B CN 201110377464 A CN201110377464 A CN 201110377464A CN 102445656 B CN102445656 B CN 102445656B
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Abstract
本发明涉及一种低压电器电子脱扣器检测装置及控制方法。它包括待测试电子脱扣器检测用电流和电压信号端口、嵌入式触控PC，为数字信号控制器提供升稳流及升稳压信号的升稳电流电路和升稳电压电路，数字信号控制器、局域网或外接存储器和打印机；嵌入式触控PC将用户预存或设置的参数通过串口COM传输到数字信号控制器；数字信号控制器根据采集结果通过控制调压器控制回路电压和回路电流调整到设定的调压结果通过串口COM传输到嵌入式触控PC；嵌入式触控PC将测试报告通过USB2.0、网络接口输入到局域网或外接存储器。由于采用模块化组装方式，可检测各类不同的电子脱扣器(电子板)，提高了检测效率和降低了检测设备费用，检测更可靠、一致性更好，利于管理。
The invention relates to a detection device and a control method for a low-voltage electrical appliance electronic trip unit. It includes current and voltage signal ports for detection of the electronic trip unit to be tested, an embedded touch PC, and a current-boosting circuit and a voltage-boosting circuit that provide the digital signal controller with steady-state current and voltage-boosting signals, and digital signal control device, local area network or external memory and printer; the embedded touch PC transmits the parameters pre-stored or set by the user to the digital signal controller through the serial port COM; the digital signal controller adjusts the loop voltage and loop current by controlling the voltage regulator according to the collected results The set voltage adjustment result is transmitted to the embedded touch PC through the serial port COM; the embedded touch PC inputs the test report to the LAN or external memory through the USB2.0 and network interface. Due to the modular assembly method, various types of electronic trippers (electronic boards) can be detected, which improves the detection efficiency and reduces the cost of detection equipment. The detection is more reliable and consistent, which is beneficial to management.
Description
Technical field
The invention belongs to a kind of checkout equipment, particularly relate to a kind of detection device for electronic release of low-voltage apparatus and control method.
Background technology
Current known low-voltage breaker tripper is divided into magnetothermal and electronic type release, electronic type release be take mutual inductor as signal collecting device, by the electronic circuit board circuit based on soldering of electronic components and magnetic flow convertor, complete four segment protects and other functions of isolating switch, because electronic circuit board will gather the electric parameters such as various voltage and currents in isolating switch loop by mutual inductor, when test or detection, be generally by constant current generator and voltage signal generator and substitute mutual inductor, input signal is to electric signal board, by manually detecting file by oscillograph with reference to debugging, test all kinds of parameters and check various waveforms, finally utilize the time response of the protection of special-purpose time test testing of equipment electronic trip unit, because equipment is for respectively having brought very large cost pressure for independent for test, and between each equipment, do not connect each other cannot Accurate Determining time response, for result record in detail.
Summary of the invention
The present invention provides a kind of modularization to install for solving the technical matters existing in known technology, detection device for electronic release of low-voltage apparatus and the control method that is beneficial to management easy to detect.
The technical scheme that the present invention takes for detection device for electronic release of low-voltage apparatus for the technical matters existing in solution known technology is: include electronic trip unit to be tested and detect with electric current signal port and voltage signal port, also include the embedded type touch control PC as whole apparatus system central processing unit, the steady current circuit of liter of electric current and voltage signal is provided and rises steady potential circuit, digital signal controller, LAN (Local Area Network) or external memorizer and printer: rise steady current circuit for be connected to single-phase step-up pressure regulator (TV2) input end of step motor control by the first relay (J1) by power supply (QF1) output port, the output terminal of single-phase step-up pressure regulator (TV2) is connected to transformer (T1), transformer (T1) output terminal short circuit and in loop serial connection as first mutual inductor (CT1) of output detection signal with as described digital signal controller output detections in the loop with second mutual inductor (CT2) of current signal, the first mutual inductor (CT1) output terminal accesses electronic trip unit sensed current signal port to be tested by the 6th relay (J6), rise steady potential circuit for be connected to the input end of the three-phase voltage increasing pressure regulator (TV1) of step motor control by the second relay (J2) by power supply (QF1) output port, the output terminal of three-phase voltage increasing pressure regulator (TV1) respectively by third and fourth, five relays (J3, J4, J5) access electronic trip unit detectable voltage signals port to be tested, three-phase voltage increasing pressure regulator (TV1) output terminal is got involved first, second and third current mode voltage transformer (VT) (VT1, VT2, VT3) and is gathered voltage signal through fourth, fifth, six pull-up resistors (R4, R5, R6) by first, second and third resistance (R1, R2, R3) simultaneously and enters described digital signal controller through conditioning, described embedded type touch control PC prestores user or the parameter that arranges is transferred to described digital signal controller by serial ports COM, described digital signal controller is adjusted to setting by controlling pressure regulator control loop voltage and loop current pressure regulation result according to collection result is transferred to described embedded type touch control PC by serial ports COM, described embedded type touch control PC is input to described LAN (Local Area Network) or external memorizer by test report by USB2.0, network interface.
The technical scheme that the present invention takes for the control method of detection device for electronic release of low-voltage apparatus for the technical matters existing in solution known technology is: according to the parameter of test product condition choice for use interface input, detect or use preset detected parameters reading database content to detect; After this its control procedure is:
1. embedded type touch control PC (hereinafter to be referred as PC) judges whether to need current signal input according to setup parameter, as needs PC will be transferred to digital signal controller by current settings by COM, by digital signal controller, call current stabilization program and carry out pre-current stabilization, after current stabilization completes, digital signal controller is transferred to PC by current stabilization result by COM, otherwise PC will skip current stabilization part;
2.PC judges whether test product needs voltage signal input, as needs PC will be set voltage to be transferred to digital signal controller by COM, by digital signal controller, carry out pre-voltage stabilizing, after voltage stabilizing completes, digital signal controller is transferred to PC by voltage stabilizing result by COM, otherwise PC will skip voltage stabilizing part;
3. after input parameter adjustment completes, PC by control circuit connection signal to test product, and writing time, electric current, voltage etc. parameters in series;
4.PC is contrasted and is judged test product by setup parameter, will set and test data demonstration;
After 5 data retain, PC has judged whether detection, if complete PC, will not repeat 1,2,3,4 steps;
6 have tested rear PC by final test data and result and setup parameter contrast demonstration, generate final testing result and are saved in storage medium;
7. as needed, print and will output to printer printing, last control procedure finishes.
Advantage and good effect that the present invention has are: owing to adopting modularization assembling mode, can detect all kinds of different electronic trip units (electron plate), improvement is because inefficiency and the checkout equipment expense of manual detection are too high, uncertain factor that testing result is subject to that peopleware affects etc.; Be detect more reliable, consistance is better, is beneficial to management.
Accompanying drawing explanation
Fig. 1 is electrical principle block scheme of the present invention;
Fig. 2 rises steady current circuit and rises steady potential circuit schematic diagram in Fig. 1;
Fig. 3 is control flow chart of the present invention.
Embodiment
For further understanding content of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As shown in Figure 1, 2, rise steady current circuit for be connected to the single-phase step-up pressure regulator TV2 input end of step motor control by relay J 1 by power supply QF1 output port, the output terminal of single-phase step-up pressure regulator TV2 is connected to transformer T1, transformer T1 output terminal short circuit and in loop serial connection as the mutual inductor CT1 of output detection signal with as digital signal controller output detections in the loop with the mutual inductor CT2 of current signal; Mutual inductor CT1 output terminal is by relay J 6 access electronic trip unit sensed current signal port to be tested; Rise steady potential circuit for to be connected to the input end of the three-phase voltage increasing pressure regulator TV1 of step motor control by relay J 2 by power supply QF1 output port, the output terminal of three-phase voltage increasing pressure regulator TV1 accesses electronic trip unit detectable voltage signals port to be tested by relay J 3, J4, J5 respectively; Three-phase voltage increasing pressure regulator TV1 output terminal is gathered voltage signal and is entered digital signal controller through conditioning by resistance R 1, R2, R3 offering circuit type voltage transformer (VT) VT1, VT2, VT3 process pull-up resistor R4, R5, R6 simultaneously; Be that embedded type touch control PC prestores user or the parameter that arranges is transferred to digital signal controller by serial ports COM; Digital signal controller is adjusted to setting by controlling pressure regulator control loop voltage and loop current pressure regulation result according to collection result is transferred to embedded type touch control PC by serial ports COM; Embedded type touch control PC is input to LAN (Local Area Network) or external memorizer by test report by USB2.0, network interface.
As shown in Figure 3, according to the parameter of test product condition choice for use interface input, detect or use preset detected parameters reading database content to detect; After this its control procedure is:
1. embedded type touch control PC (hereinafter to be referred as PC) judges whether to need current signal input according to setup parameter, as needs PC will be transferred to digital signal controller by current settings by COM, by digital signal controller, call current stabilization program and carry out pre-current stabilization, after current stabilization completes, digital signal controller is transferred to PC by current stabilization result by COM, otherwise PC will skip current stabilization part;
2.PC judges whether test product needs voltage signal input, as needs PC will be set voltage to be transferred to digital signal controller by COM, by digital signal controller, carry out pre-voltage stabilizing, after voltage stabilizing completes, digital signal controller is transferred to PC by voltage stabilizing result by COM, otherwise PC will skip voltage stabilizing part;
3. after input parameter adjustment completes, PC by control circuit connection signal to test product, and writing time, electric current, voltage etc. parameters in series;
4.PC is contrasted and is judged test product by setup parameter, will set and test data demonstration;
After 5 data retain, PC has judged whether detection, if complete PC, will not repeat 1,2,3,4 steps;
6 have tested rear PC by final test data and result and setup parameter contrast demonstration, generate final testing result and are saved in storage medium;
7. as needed, print and will output to printer printing, last control procedure finishes.
First electric current and voltage signal make control circuit charged QF1 closure by rising steady current circuit and rising when steady potential circuit is worked, embedded type touch control PC prestores by user or the parameter that arranges is transferred to digital signal controller by com port, J1 closure and stepup transformer that digital signal controller is controlled up-flow circuit according to parameter are closed, then the stepper motor of DSP CONTROL pressure regulator boosts pressure regulator, digital signal controller gathers CT2 and pull-up resistor R3 simultaneously, R4, the current potential of R5 end is as feedback, and by controlling after pressure regulator control loop voltage and loop current are adjusted to setting value, stop pressure regulation according to collection result, by com port, to embedded type touch control PC, transmit pressure regulation result, and products for further instruction, embedded type touch control PC points out, and controls PC panel button test by operator, during test, embedded type touch control PC is transferred to digital signal controller requirement by COM it is monitored voltage stabilizing and current stabilization and controls pressure regulator and finely tune and guarantee the stable of output signal, J3, J4 in embedded type touch control PC control chart 1, J5, J6 relay node access signal are to test product to be measured, and start timing and carry out pilot project test, after project testing completes, embedded type touch control PC disconnects J3, J4, J5, J6 relay node, and it stops current stabilization and voltage stabilizing by com port, to require digital signal controller, and deposit result data in internal memory temporarily, and according to the parameter that prestores or arrange, again transfer data to digital signal controller and loop the next item down experiment, finally test rear embedded type touch control PC and through program, result has been arranged by user's selection through printer output or stores mobile device into or be transferred to server by LAN (Local Area Network) and preserve.Test process only needs people for carrying out parameter and select and test period carrying out electrical apparatus release adjustment confirmation and retests other and transfer to device automatically to complete whole detections.
Claims (1)
1. a detection device for electronic release of low-voltage apparatus, including electronic trip unit to be tested detects with electric current signal port and voltage signal port, it is characterized in that: also include the embedded type touch control PC as whole apparatus system central processing unit, the steady current circuit of liter of electric current and voltage signal is provided and rises steady potential circuit, digital signal controller, LAN (Local Area Network) or external memorizer and printer: rise steady current circuit for be connected to single-phase step-up pressure regulator (TV2) input end of step motor control by the first relay (J1) by power supply (QF1) output port, the output terminal of single-phase step-up pressure regulator (TV2) is connected to transformer (T1), transformer (T1) output terminal short circuit and in loop serial connection as first mutual inductor (CT1) of output detection signal and as described digital signal controller output detections the second mutual inductor (CT2) with current signal, the first mutual inductor (CT1) output terminal accesses electronic trip unit sensed current signal port to be tested by the 6th relay (J6), rise steady potential circuit for be connected to the input end of the three-phase voltage increasing pressure regulator (TV1) of step motor control by the second relay (J2) by power supply (QF1) output port, the output terminal of three-phase voltage increasing pressure regulator (TV1) respectively by third and fourth, five relays (J3, J4, J5) access electronic trip unit detectable voltage signals port to be tested, three-phase voltage increasing pressure regulator (TV1) output terminal is got involved first, second and third current mode voltage transformer (VT) (VT1, VT2, VT3) and is gathered voltage signal through fourth, fifth, six pull-up resistors (R4, R5, R6) by first, second and third resistance (R1, R2, R3) simultaneously and enters described digital signal controller through conditioning, described embedded type touch control PC prestores user or the parameter that arranges is transferred to described digital signal controller by serial ports COM, described digital signal controller is by controlling the output voltage of single-phase step-up pressure regulator (TV2) and three-phase voltage increasing pressure regulator (TV1) and heighten respectively and reducing loop current signals and loop voltage signal, until loop current and loop voltage meet that user prestores or the parameter that arranges in electric current, voltage set, and loop current and loop voltage data are transferred to described embedded type touch control PC by serial ports COM, described embedded type touch control PC is input to described LAN (Local Area Network) or external memorizer by test report by USB2.0, network interface.
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| CN201110377464.0A CN102445656B (en) | 2011-11-24 | 2011-11-24 | Detection device for electronic release of low-voltage apparatus, and control method |
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| CN201110377464.0A CN102445656B (en) | 2011-11-24 | 2011-11-24 | Detection device for electronic release of low-voltage apparatus, and control method |
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| CN102445656B true CN102445656B (en) | 2014-03-12 |
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| CN103676920B (en) * | 2012-09-05 | 2016-03-23 | 上海精翊电器有限公司 | A kind of ETU calibration instrument |
| CN109725251A (en) * | 2019-01-31 | 2019-05-07 | 中国人民解放军海军工程大学 | AC/DC switch electronic trip unit calibrator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082661A (en) * | 2007-06-28 | 2007-12-05 | 天津市百利电气有限公司 | Current mutual inductor for intelligent electrical apparatus release and control method thereof |
| CN201060232Y (en) * | 2007-06-28 | 2008-05-14 | 天津市百利电气有限公司 | current mutual inductor testing apparatus for intelligent electrical apparatus release |
| CN201780350U (en) * | 2010-07-27 | 2011-03-30 | 上海诺雅克电气有限公司 | Current transformer secondary coil disconnection self-diagnosis device |
| CN202362428U (en) * | 2011-11-24 | 2012-08-01 | 天津市百利电气有限公司 | Detection device for electronic tripping device of low-voltage apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2896591B1 (en) * | 2006-01-24 | 2008-05-23 | Schneider Electric Ind Sas | HIGH-DYNAMIC CONTINUOUS CURRENT MEASURING DEVICE, ELECTRONIC TRIGGER INCLUDING SUCH A MEASURING DEVICE AND CUTTING DEVICE HAVING SUCH A TRIGGER |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082661A (en) * | 2007-06-28 | 2007-12-05 | 天津市百利电气有限公司 | Current mutual inductor for intelligent electrical apparatus release and control method thereof |
| CN201060232Y (en) * | 2007-06-28 | 2008-05-14 | 天津市百利电气有限公司 | current mutual inductor testing apparatus for intelligent electrical apparatus release |
| CN201780350U (en) * | 2010-07-27 | 2011-03-30 | 上海诺雅克电气有限公司 | Current transformer secondary coil disconnection self-diagnosis device |
| CN202362428U (en) * | 2011-11-24 | 2012-08-01 | 天津市百利电气有限公司 | Detection device for electronic tripping device of low-voltage apparatus |
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