CN102445656A - 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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- CN102445656A CN102445656A CN2011103774640A CN201110377464A CN102445656A CN 102445656 A CN102445656 A CN 102445656A CN 2011103774640 A CN2011103774640 A CN 2011103774640A CN 201110377464 A CN201110377464 A CN 201110377464A CN 102445656 A CN102445656 A CN 102445656A
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Abstract
The invention relates to a detection device for an electronic release of a low-voltage apparatus, and a control method. The detection device comprises a current and voltage signal port for detecting a to-be-detected electronic release, an embedded touch-control PC, a rising constant-current circuit and a rising constant-voltage circuit for providing rising constant-current and rising constant-voltage signals for a digital signal controller, the digital signal controller, a LAN (Local Area Network) or an external memory and a printer; the embedded touch-control PC transmits parameters pre-stored or set by users into the digital signal controller through a serial port COM; the digital signal controller controls a voltage regulator according to the acquisition result so as to regulate loop voltage and loop current to realize the set voltage regulation result, and the pressure regulating result is transmited to the embedded touch-control PC through the serial port COM; and the embedded touch-control PC inputs a test report into the LAN or the external memory through a USB (Universal Serial Bus) 2.0 and a network interface. Based on the modularized assembling mode, the detection device can detect various different electronic releases (electronic plates), so that detection efficiency is improved, cost on the detection equipment is reduced, detection is more reliable and has better consistency, and the detection device is convenient for management.
Description
Technical field
The invention belongs to a kind of checkout equipment, particularly relate to a kind of low-voltage electrical apparatus electronic trip unit pick-up unit and control method.
Background technology
Present known low-voltage circuit breaker electrical apparatus release is divided into magnetothermal and electronic type release; Electronic type release is signal collecting device with the mutual inductor; Through four segment protects and other functions of accomplishing isolating switch based on the electronic circuit board circuit and the magnetic flow convertor of soldering of electronic components; Because electronic circuit board will be gathered the electric parameters such as various voltage and currents in the isolating switch loop through mutual inductor; When test or detection, be generally by constant current generator and voltage signal generator and substitute mutual inductor, input signal detects file through oscillograph with reference to debugging by manual work and tests all kinds of parameters and check various waveforms to electric signal board; Utilize the time response of the protection of special-purpose time test testing of equipment electronic trip unit at last; Because equipment is respectively to have brought very big cost pressure for independent for test, and does not connect accurately minute characteristic between each equipment each other, can't detail record for the result.
Summary of the invention
The present invention provides a kind of modularization that low-voltage electrical apparatus electronic trip unit pick-up unit and the control method that is beneficial to management easy to detect is installed for solving the technical matters that exists in the known technology.
The technical scheme that the present invention is taked for low-voltage electrical apparatus electronic trip unit pick-up unit for the technical matters that exists in the solution known technology is: include electronic trip unit detection stream signal port to be tested and voltage signal port; Also include embedded type touch control PC as whole apparatus system central processing unit; The steady current circuit of liter and the steady potential circuit of liter of electric current and voltage signal are provided; Digital signal controller, LAN 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 through 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), and transformer (T1) output terminal short circuit also is connected in series in the loop in the loop of second mutual inductor (CT2) that flows signal as first mutual inductor (CT1) of output detection signal with as said digital signal controller output detection; First mutual inductor (CT1) output terminal inserts electronic trip unit sensed current signal port to be tested through the 6th relay (J6); Rise steady potential circuit for being connected to the input end of the three-phase voltage increasing pressure regulator (TV1) of step motor control through second relay (J2) by power supply (QF1) output port, the output terminal of three-phase voltage increasing pressure regulator (TV1) respectively through 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) through first, second and third resistance (R1, R2, R3) simultaneously and gets into described digital signal controller through conditioning; Be that described embedded type touch control PC prestores the user or the parameter that is provided with is transferred to described digital signal controller through serial ports COM; The pressure regulation result that described digital signal controller is adjusted to setting according to collection result through control pressure regulator control loop voltage and loop current is transferred to described embedded type touch control PC through serial ports COM; Described embedded type touch control PC is input to described LAN or external memorizer with test report through USB2.0, network interface.
The technical scheme that the present invention takes for the control method of low-voltage electrical apparatus electronic trip unit pick-up unit for the technical matters that exists in the solution known technology is: select the parameter of use interface input to detect according to the test product condition and also be to use the detected parameters reading database content that presets to detect; After this its control procedure is:
1. embedded type touch control PC (hereinafter to be referred as PC) need to judge whether the current signal input based on setup parameter; To current settings be transferred to digital signal controller through COM like needs PC; Call the current stabilization program by digital signal controller and carry out preparatory current stabilization; Digital signal controller was transferred to PC with the current stabilization result through COM after current stabilization was accomplished, otherwise PC will skip the current stabilization part;
Whether need the voltage signal input 2.PC judge test product; As need PC the voltage setting to be transferred to digital signal controller through COM; Carry out preparatory voltage stabilizing by digital signal controller; Digital signal controller was transferred to PC with the voltage stabilizing result through COM after voltage stabilizing was accomplished, otherwise PC will skip the voltage stabilizing part;
3. after input parameter adjustment is accomplished, PC with the control circuit connection signal to test product, and parameters in series such as writing time, electric current, voltage;
4.PC compare the judgement test product through setup parameter, will set and the test data demonstration;
5. after data kept, PC judged whether to accomplish and detects, and will not repeat 1,2,3,4 steps if accomplish PC;
6. PC generated final test data and result and setup parameter contrast demonstration final testing result and is saved in storage medium after test was accomplished;
7. will output to printer prints as needing to print, last control procedure finishes.
Advantage and good effect that the present invention has are: owing to adopt the modularization assembling mode; Can detect all kinds of different electronic trip units (electron plate); Improve because the inefficiency and the checkout equipment expense of manual detection are too high uncertain factor that testing result receives that peopleware influences etc.; Be detect more reliable, consistance is better, is beneficial to management.
Description of drawings
Fig. 1 is an electrical principle block scheme of the present invention;
Fig. 2 rises steady current circuit and rises steady potential circuit schematic diagram among Fig. 1;
Fig. 3 is a control flow chart of the present invention.
Embodiment
For further understanding content of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
Like Fig. 1, shown in 2; Rise steady current circuit for be connected to the single-phase step-up pressure regulator TV2 input end of step motor control through 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, and transformer T1 output terminal short circuit also is connected in series in the loop in the loop of the mutual inductor CT2 that flows signal as the mutual inductor CT1 of output detection signal with as digital signal controller output detection; Mutual inductor CT1 output terminal inserts electronic trip unit sensed current signal port to be tested through relay J 6; Rise steady potential circuit for being connected to the input end of the three-phase voltage increasing pressure regulator TV1 of step motor control by power supply QF1 output port through relay J 2, the output terminal of three-phase voltage increasing pressure regulator TV1 inserts electronic trip unit detectable voltage signals port to be tested through relay J 3, J4, J5 respectively; Three-phase voltage increasing pressure regulator TV1 output terminal is gathered voltage signal and is got into digital signal controller through conditioning through resistance R 1, R2, R3 offering circuit type voltage transformer (VT) VT1, VT2, VT3 and process pull-up resistor R4, R5, R6 simultaneously; Be that embedded type touch control PC prestores the user or the parameter that is provided with is transferred to digital signal controller through serial ports COM; The pressure regulation result that digital signal controller is adjusted to setting according to collection result through control pressure regulator control loop voltage and loop current is transferred to embedded type touch control PC through serial ports COM; Embedded type touch control PC is input to LAN or external memorizer with test report through USB2.0, network interface.
As shown in Figure 3, select the parameter of use interface input to detect according to the test product condition and also be to use the detected parameters reading database content that presets to detect; After this its control procedure is:
1. embedded type touch control PC (hereinafter to be referred as PC) need to judge whether the current signal input based on setup parameter; To current settings be transferred to digital signal controller through COM like needs PC; Call the current stabilization program by digital signal controller and carry out preparatory current stabilization; Digital signal controller was transferred to PC with the current stabilization result through COM after current stabilization was accomplished, otherwise PC will skip the current stabilization part;
Whether need the voltage signal input 2.PC judge test product; As need PC the voltage setting to be transferred to digital signal controller through COM; Carry out preparatory voltage stabilizing by digital signal controller; Digital signal controller was transferred to PC with the voltage stabilizing result through COM after voltage stabilizing was accomplished, otherwise PC will skip the voltage stabilizing part;
3. after input parameter adjustment is accomplished, PC with the control circuit connection signal to test product, and parameters in series such as writing time, electric current, voltage;
4.PC compare the judgement test product through setup parameter, will set and the test data demonstration;
5. after data kept, PC judged whether to accomplish and detects, and will not repeat 1,2,3,4 steps if accomplish PC;
6. PC generated final test data and result and setup parameter contrast demonstration final testing result and is saved in storage medium after test was accomplished;
7. will output to printer prints as needing to print, last control procedure finishes.
Electric current and voltage signal at first make control circuit charged QF1 closure with rising when steady potential circuit is worked by rising steady current circuit; Embedded type touch control PC prestores through the user or the parameter that is provided with is transferred to digital signal controller through com port; Digital signal controller is according to the closed and stepup transformer closure of J1 of parameter control up-flow circuit; The stepper motor of DSP CONTROL pressure regulator boosts pressure regulator then; The current potential of digital signal controller collection CT2 and pull-up resistor R3, R4, R5 end is as feedback simultaneously; And stop pressure regulation after adjusting to setting value according to collection result through control pressure regulator control loop voltage and loop current, to embedded type touch control PC transmission pressure regulation result, and products for further instructs through com port; Embedded type touch control PC points out, and controls the PC panel button by the operator and tests; Embedded type touch control PC is transferred to the digital signal controller requirement through COM it is monitored voltage stabilizing and current stabilization and controls pressure regulator and finely tune and guarantee the stable of output signal during test; J3 in the embedded type touch control PC control chart 1, J4, J5, J6 relay node insert signal to test product to be measured; And the project testing that makes an experiment that picks up counting; After project testing is accomplished; Embedded type touch control PC breaks off J3, J4, J5, J6 relay node, and it stops current stabilization and voltage stabilizing to require digital signal controller through com port; And deposit result data in internal memory temporarily; And newly transfer data to digital signal controller circulation according to the parameter renegotiation that prestores or be provided with and carry out the next item down experiment, final test accomplish back embedded type touch control PC through program with result's arrangement by user's selection through printer output or store mobile device into or be transferred to server for saving through LAN.Test process only needs the people to select to carry out the electrical apparatus release adjustment with test period and confirm to test again other and transfer to device and accomplish all detections automatically for carrying out parameter.
Claims (2)
1. low-voltage electrical apparatus electronic trip unit pick-up unit; Include electronic trip unit detection stream signal port to be tested and voltage signal port; It is characterized in that: also include embedded type touch control PC as whole apparatus system central processing unit; The steady current circuit of liter and the steady potential circuit of liter of electric current and voltage signal are provided; Digital signal controller, LAN 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 through 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), and transformer (T1) output terminal short circuit also is connected in series in the loop in the loop of second mutual inductor (CT2) that flows signal as first mutual inductor (CT1) of output detection signal with as said digital signal controller output detection; First mutual inductor (CT1) output terminal inserts electronic trip unit sensed current signal port to be tested through the 6th relay (J6); Rise steady potential circuit for being connected to the input end of the three-phase voltage increasing pressure regulator (TV1) of step motor control through second relay (J2) by power supply (QF1) output port, the output terminal of three-phase voltage increasing pressure regulator (TV1) respectively through 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) through first, second and third resistance (R1, R2, R3) simultaneously and gets into described digital signal controller through conditioning; Be that described embedded type touch control PC prestores the user or the parameter that is provided with is transferred to described digital signal controller through serial ports COM; The pressure regulation result that described digital signal controller is adjusted to setting according to collection result through control pressure regulator control loop voltage and loop current is transferred to described embedded type touch control PC through serial ports COM; Described embedded type touch control PC is input to described LAN or external memorizer with test report through USB2.0, network interface.
2. the control method based on the described low-voltage electrical apparatus electronic trip unit of claim 1 pick-up unit is characterized in that: select the parameter of use interface input to detect according to the test product condition and also be to use the detected parameters reading database content that presets to detect; After this its control procedure is:
1. embedded type touch control PC (hereinafter to be referred as PC) need to judge whether the current signal input based on setup parameter; To current settings be transferred to digital signal controller through COM like needs PC; Call the current stabilization program by digital signal controller and carry out preparatory current stabilization; Digital signal controller was transferred to PC with the current stabilization result through COM after current stabilization was accomplished, otherwise PC will skip the current stabilization part;
Whether need the voltage signal input 2.PC judge test product; As need PC the voltage setting to be transferred to digital signal controller through COM; Carry out preparatory voltage stabilizing by digital signal controller; Digital signal controller was transferred to PC with the voltage stabilizing result through COM after voltage stabilizing was accomplished, otherwise PC will skip the voltage stabilizing part;
3. after input parameter adjustment is accomplished, PC with the control circuit connection signal to test product, and parameters in series such as writing time, electric current, voltage;
4.PC compare the judgement test product through setup parameter, will set and the test data demonstration;
5. after data kept, PC judged whether to accomplish and detects, and will not repeat 1,2,3,4 steps if accomplish PC;
6. PC generated final test data and result and setup parameter contrast demonstration final testing result and is saved in storage medium after test was accomplished;
7. will output to printer prints as needing to print, last control procedure finishes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN102445656A true CN102445656A (en) | 2012-05-09 |
| CN102445656B CN102445656B (en) | 2014-03-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676920A (en) * | 2012-09-05 | 2014-03-26 | 上海精翊电器有限公司 | 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 tester |
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| 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 |
| US20100001716A1 (en) * | 2006-01-24 | 2010-01-07 | Schneider Electric Industries Sas | Direct Current Measuring Device With Wide Measuring Range, Electro-Technical Unit Comprising One Such Measuring Device and Switchgear Unit Having One Such Electro-Technical Unit |
| 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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2011
- 2011-11-24 CN CN201110377464.0A patent/CN102445656B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100001716A1 (en) * | 2006-01-24 | 2010-01-07 | Schneider Electric Industries Sas | Direct Current Measuring Device With Wide Measuring Range, Electro-Technical Unit Comprising One Such Measuring Device and Switchgear Unit Having One Such Electro-Technical Unit |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676920A (en) * | 2012-09-05 | 2014-03-26 | 上海精翊电器有限公司 | ETU calibration instrument |
| 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 tester |
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| Publication number | Publication date |
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| CN102445656B (en) | 2014-03-12 |
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