CN204065289U - For the checkout equipment of arc light protecting device - Google Patents
For the checkout equipment of arc light protecting device Download PDFInfo
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- CN204065289U CN204065289U CN201420545985.1U CN201420545985U CN204065289U CN 204065289 U CN204065289 U CN 204065289U CN 201420545985 U CN201420545985 U CN 201420545985U CN 204065289 U CN204065289 U CN 204065289U
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Abstract
The utility model relates to a kind of checkout equipment for arc light protecting device, belong to arc protection inspection technology field in power equipment, comprise test cell (1), for generation of the current unit (9) and the arc light unit (8) that detect required electric current, the current output terminal mouth (10) of test cell connects the input end of current unit, the light source output port (11) of test cell connects visible light source (12) and the ultraviolet source (13) of arc light unit, the opposite side of the arc light unit relative with visible light source and ultraviolet source arranges standard arc probe placement section (5) and tested arc probe placement section (7), standard arc probe (6) is set in standard arc probe placement section, the arc probe access interface (2) of standard arc probe connecting test unit, test cell is also provided with intake access interface (4).The utility model structure is simple, easy to operate, detects accurately, effectively can ensure the safe operation of electric power supply system equipment and the reliability of power supply.
Description
Technical field
The utility model relates to a kind of checkout equipment for arc light protecting device, belongs to arc protection inspection technology field in power equipment.
Background technology
Because arc light protecting device can improve the reliability of substation equipment safe operation; effectively can prevent the generation of all kinds of accident; the problems such as the customer power supply interruption that accident can be avoided to cause and the personal injury of staff; therefore, arc light protecting device is widely used in national grid industry.But along with the application of arc light protecting device, electric power country and industry standard formulation in, a kind of work completely newly is also become to the inspection of arc light protecting device.
At present, the detection for arc light protecting device does not have the detection method of specification, and on the one hand, a lot of arc light protecting device is not tested when throwing in and using, and causes going wrong in later stage use procedure, affects the safe operation of equipment and the reliability of power supply; Another is convenient, and some producer is simply detected the carrying out of arc light protecting device, but due to checkout equipment, underproof arc light protecting device also can be caused to come into operation, affect the safe operation of equipment and the reliability of power supply.Therefore, in order to ensure the safety and reliability of equipment, be necessary utility model a kind of be specifically designed to detect arc light protecting device equipment with improves power safety and reliability.
Utility model content
According to above deficiency of the prior art; problem to be solved in the utility model is: provide a kind of structure simple; easy to operate, detect accurately, effectively can ensure the checkout equipment for arc light protecting device of the safe operation of electric power supply system equipment and the reliability of power supply.
The utility model solves the technical scheme that its technical matters adopts:
The described checkout equipment for arc light protecting device, comprise test cell, for generation of the current unit and the arc light unit that detect required electric current, the current output terminal mouth of test cell connects the input end of current unit, the light source output port of test cell connects visible light source and the ultraviolet source of arc light unit, the opposite side of the arc light unit relative with visible light source and ultraviolet source arranges standard arc probe placement section and tested arc probe placement section, in standard arc probe placement section, standard arc probe is set, the arc probe access interface of standard arc probe connecting test unit, test cell is also provided with intake access interface.
The arc light unit of the described checkout equipment for arc light protecting device has arc light generating function, adopts photoelectric conversion technique can precise acquisition visible ray and ultraviolet light; Current unit can produce various experiment electric current, and can gather current signal accurately fast; Test cell not only accurately can judge the precision of electric current and arc light, and to the time of tripping operation outlet action when can also judge that arc light, electric current occur fast, structure is simple, detects accurately, the safe operation of effective guarantee electric power supply system equipment.
Preferred further, test cell comprises the signal processing unit of DSP and CPLD composition, LCD display, button and power module, the signal output part of signal processing unit connects LCD display, the power end of signal processing unit connects power module, the signal input part of signal processing unit connects button, the current output terminal of signal processing unit connects current unit by current output terminal mouth, the light source output terminal of signal processing unit connects visible light source and the ultraviolet source of arc light unit by light source output port, the signal input part of signal processing unit is by arc probe access interface connection standard arc probe, signal processing unit is connected intake access interface by D/A converting circuit with low-pass filtering buffer circuit.Test cell has button operation, LCD Presentation Function, to the time during tripping operation outlet action when can judge that arc light, electric current occur fast, the hommization of LCD menu design, close friendization, button operation is simple and practical, when arc light and electric current occur, test cell is by the change of access point signals, and test out to the time during tripping operation outlet when arc current occurs, LCD shows the information such as real-time current value, arc light value and trip operation time simultaneously.Power module part provides power supply for whole circuit part, intake is by the process of low-pass filtering buffer circuit, good process has been done to the undesired signal of outside, ensure that this Circuits System not by the interference of external signal, DAC and AD669 is analog to digital conversion circuit part, realize the accurate measurement of simulating signal, corresponding illuminance is converted into by the analog quantity collected, TMS320F2812 is the DSP product of a TI company, be used for carrying out the product of digital signal processing, this circuit adopts complex programmable logic device (CPLD), improve arithmetic speed greatly, also ensure that the stability of circuit part, for improving performance, also extend out RAM and EEPROM of dual-port.
Preferred further, arc light unit comprises a light shield, light shield one end arranges visible light source and ultraviolet source, corresponding visible light source and ultraviolet source arrange standard arc probe placement section and tested arc probe placement section at the other end of light shield, arrange standard arc probe in standard arc probe placement section.Arc light unit has arc light generating function, visible ray or the ultraviolet light of all size illuminance can be exported by controlling test cell, applied customization light shield, adopting photoelectric conversion technique, the optical system intelligent chip of inner utilization test cell, achieves the precise acquisition to visible ray and ultraviolet light.
Preferred further, current unit adopts high-current signal generator; Or described current unit comprises the input circuit connected successively, middle amplifying circuit and power output circuit, power output circuit periphery connects protection circuit, and power output circuit also connects input circuit by negative-feedback circuit.Current unit can produce the current value of the different sizes required by experiment, realize the precise acquisition of electric current, test cell adopts fast algorithm, several unique points of each cycle collection fixed qty, and carry out rational mathematical modeling, realize the accurate measurement reaching whole cycle within 7ms.
Preferred further, test cell is also provided with network interface, and test cell connects host computer by network interface.Facilitate staff to carry out operation to proving installation to control.
Preferred further, the signal processing unit of test cell adopts TMS320F2812, and standard arc probe adopts illuminance sensor.
The beneficial effect that the utility model has is:
1, test cell described in the utility model is provided with operation push-button and LCD display, not only conveniently can input information, the information such as arc light value, current value and actuation time of can also falling are shown in real time by LCD display, staff is facilitated to observe, simultaneously, the inner DSP digital signal processing unit that adopts is as central outlets device, coordinate CPLD logic computing unit, extend out RAM and EEPROM of dual-port, improve performance, can the signal of accurate acquisition arc light unit and current unit, substantially increase arithmetic speed, also assures that the stability of circuit.
2, arc light unit arranged outside light shield described in the utility model, arranges visible ray and ultraviolet light in light shield inside, realizes the precise acquisition to visible ray and ultraviolet light, ensures the accuracy that arc light protecting device detects.
3, current unit described in the utility model can realize the generation of electric current, is connected with detected arc light protecting device by terminal, produces the size of current needed for detection time, and structure is simple, easy to operate.
4, the utility model not only can improve detect arc light, electric current precision, can also detect the trip operation time, structure is simple, and accuracy in detection is high, further ensures the safe operation of electric power supply system equipment and the reliability of power supply simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is current unit schematic diagram of the present utility model;
Fig. 3 is test cell schematic diagram of the present utility model;
Wherein, 1, test cell; 2, arc probe access interface; 3, network interface; 4, intake access interface; 5, standard arc probe placement section; 6, standard arc probe; 7, tested arc probe placement section; 8, arc light unit; 9, current unit;
10, current output terminal mouth; 11, light source output port; 12, visible light source; 13, ultraviolet source; 14, signal processing unit; 15, LCD display; 16, power module; 17, D/A converting circuit; 18, low-pass filtering buffer circuit.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1-Figure 3, checkout equipment for arc light protecting device described in the utility model, comprise test cell 1, for generation of the current unit 9 and the arc light unit 8 that detect required electric current, the current output terminal mouth 10 of test cell 1 connects the input end of current unit 9, the light source output port 11 of test cell 1 connects visible light source 12 and the ultraviolet source 13 of arc light unit 8, the opposite side of the arc light unit 8 relative with ultraviolet source 13 with visible light source 12 arranges standard arc probe placement section 5 and tested arc probe placement section 7, in standard arc probe placement section 5, standard arc probe 6 is set, the arc probe access interface 2 of standard arc probe 6 connecting test unit 1, test cell 1 is also provided with intake access interface 4.
Wherein, test cell 1 comprises the signal processing unit 14 of DSP and CPLD composition, LCD display 15, button and power module 16, the signal output part of signal processing unit 14 connects LCD display 15, the power end of signal processing unit 14 connects power module 16, the signal input part of signal processing unit 14 connects button, the current output terminal of signal processing unit 14 connects current unit 9 by current output terminal mouth 10, the light source output terminal of signal processing unit 14 connects visible light source 12 and the ultraviolet source 13 of arc light unit 8 by light source output port 11, the signal input part of signal processing unit 14 is by arc probe access interface 2 connection standard arc probe 6, signal processing unit 14 is connected intake access interface 4 by D/A converting circuit 17 with low-pass filtering buffer circuit 18.
Arc light unit 8 comprises a light shield, light shield one end arranges visible light source 12 and ultraviolet source 13, corresponding visible light source 12 and ultraviolet source 13 arrange standard arc probe placement section 5 and tested arc probe placement section 7 at the other end of light shield, arrange standard arc probe 6 in standard arc probe placement section 5, this design proposal can realize the precise acquisition to arc light.
Current unit 9 adopts high-current signal generator; Or described current unit 9 comprises the input circuit connected successively, middle amplifying circuit and power output circuit, power output circuit periphery connects protection circuit, and power output circuit also connects input circuit by negative-feedback circuit.The described all right PLC programmable logic controller (PLC) of current unit 9, the signal processing unit of test cell sends current signal, PLC programmable logic controller (PLC) carries out treatment and analysis after receiving signal, control current unit and produce the current value required for testing, current unit is selected flexibly, easy to operate.
Test cell 1 is also provided with network interface 3, and test cell 1 connects host computer by network interface 3, facilitates operated by personnel, the signal processing unit of test cell 1 adopts TMS320F2812, fast operation, standard arc probe 6 adopts illuminance sensor, and arc light collection is accurate.
For a detection method for arc light protecting device, step is:
1) arc probe of detected arc light protecting device is placed in tested arc probe placement section 7, the current input terminal of detected arc light protecting device is connected the output terminal of current unit, by the intake access interface 4 of the tripping operation of detected arc light protecting device outlet connecting test unit 1;
2) collect corresponding electric signal to detected arc light protecting device compare by the electric signal of current value signals, visible light source 12 and the ultraviolet source 13 in test cell input arc light protecting device rated range, the current precision of detected arc light protecting device and arc light precision are detected;
3) electric signal of current value signals, visible light source 12 and ultraviolet source 13 beyond rated range is inputted by test cell 1; while input; test cell 1 carries out timing; tripping operation process is carried out after detected arc light protecting device collects corresponding electric signal; trip signal is sent to test cell 1 by intake access interface 4; test cell 1 stops timing after signal being detected, shows the trip operation time by LCD display 15.
Current precision detection method is by test cell 1 input current signal, current signal enters current unit 9 by current output terminal mouth 10, current unit 9 converts thereof into according to collected current signal and detects the current input terminal input of required big current by detected arc light protecting device, and the current signal that the arc light protecting device that the display screen display passing through detected arc light protecting device is detected collects, the current signal of the current signal collected and input is contrasted, if in error range, then the current precision detection of this detected arc light protecting device is qualified, if not in error range, then defective.
The detection method of arc light precision inputs light signal by test cell 1; the arc light value detected by standard arc probe 6 and detected arc probe is compared; if the arc light value that tested arc probe collects is in error range; then the arc light accuracy detection of this detected arc light protecting device is qualified; if not in error range, then defective.
The detection method of trip operation time also carries out timing by test cell input higher than load current value and specified arc light value simultaneously, after detected arc light protecting device detects the electric current that test cell 1 inputs and arc light value, judge whether in ratings, if when current value or arc light value any one or two equal off-ratings being detected, detected arc light protecting device carries out trip operation, trip signal is sent to test cell 1 by intake access interface 4, test cell 1 stops timing after signal being detected, the trip operation time is shown by LCD display 15.
Embodiment 1:
Tested arc probe is put into the tested arc probe placement section 7 of arc light unit 8, the current signal output end of current unit 9 is connected to the current input terminal of tested arc light protecting device, the intake interface of the tripping operation outlet access test cell of tested arc light protecting device, to start shooting tested arc light protecting device, be set to electric current, the two criterion trip protection pattern of arc light (the specified definite value 5kLux of setting arc protection), start tester, arc light experiment is selected by host computer or by key control, corresponding parameter is set, illuminance can select visible ray or ultraviolet light, illuminance size selects 5kLux, after being provided with, choice menus interface starts test, experiment is carried out automatically, meeting display light illumination size after end, if the arc light value that tested arc light protecting device detects is within the scope of 4.5-5.5kLux, then tested arc light protecting device arc light detecting precision accurate.
Embodiment 2:
Tested arc probe is put into the tested arc probe placement section 7 of arc light unit 8, the current signal output end of current unit 9 is connected to the current input terminal of tested arc light protecting device, the intake interface of the tripping operation outlet access test cell of tested arc light protecting device, to start shooting tested arc light protecting device, be set to electric current, the two criterion trip protection pattern (current protection ratings is 7.5A) of arc light, start tester, Current experiments is selected by host computer or by key control, corresponding parameter is set, electric current exports and is set to 7.5A, after being provided with, choice menus interface starts test, experiment is carried out automatically, size of current can be shown after end, if the current value that tested arc light protecting device detects is 7-8A, then tested arc light protecting device current detection accuracy accurate.
Embodiment 3:
Tested arc probe is put into the tested arc probe placement section 7 of arc light unit 8, the current signal output end of current unit 9 is connected to the current input terminal of tested arc light protecting device, the intake interface of the tripping operation outlet access test cell of tested arc light protecting device, to start shooting tested arc light protecting device, be set to electric current, the two criterion trip protection pattern of arc light, the specified definite value 5kLux of arc protection is set, current protection ratings is 7.5A, start tester, arc light is selected by host computer or by key control, Current experiments, corresponding parameter is set, electric current exports and is set to 8A, illuminance can select visible ray or ultraviolet light, illuminance size selects 7.5kLux, after being provided with, choice menus interface starts test, experiment is carried out automatically, meeting display light illumination size after end, size of current, intake from be tested to and receive the signal later time interval (i.e. the trip operation time of tested arc light protecting device).
Embodiment 4;
Tested arc probe is put into the tested arc probe placement section 7 of arc light unit 8, the current signal output end of current unit 9 is connected to the current input terminal of tested arc light protecting device, the intake interface of the tripping operation outlet access test cell of tested arc light protecting device, to start shooting tested arc light protecting device, be set to electric current, arc light list criterion trip protection pattern, the specified definite value 5kLux of arc protection is set, current protection ratings is 7.5A, start tester, arc light is selected by host computer or by key control, Current experiments, corresponding parameter is set, electric current exports and is set to 8A, illuminance size is that (or illuminance can select visible ray or ultraviolet light to 5kLux, illuminance size selects 7.5kLux, electric current exports and is set to 7.5A), after being provided with, choice menus interface starts test, experiment is carried out automatically, meeting display light illumination size after end, size of current, intake from be tested to and receive the signal later time interval (i.e. the trip operation time of tested arc light protecting device).
The utility model tester adopts the large scale integrated circuits such as DSP+CPLD as central processing unit and logic computing unit, gather the signal of arc light unit and current unit, tripping operation output action Time Calculation is made by analyzing judgement, test cell is designed with arc light generation button, electric current generation button, arc current the multiple button design such as button occur simultaneously, carries out different tests by corresponding experiment button.Meanwhile, test cell adopts true color LCD display, menu-type design, selection and the switching of different menu can be realized by operation push-button, and clear display test condition and test result, structure is simple, accuracy in detection is high, ensure that the safe operation of electric power supply system equipment and the reliability of power supply.
Claims (6)
1. the checkout equipment for arc light protecting device, it is characterized in that: comprise test cell (1), for generation of the current unit (9) and the arc light unit (8) that detect required electric current, the current output terminal mouth (10) of test cell (1) connects the input end of current unit (9), the light source output port (11) of test cell (1) connects visible light source (12) and the ultraviolet source (13) of arc light unit (8), the opposite side of the arc light unit (8) relative with ultraviolet source (13) with visible light source (12) arranges standard arc probe placement section (5) and tested arc probe placement section (7), standard arc probe (6) is set in standard arc probe placement section (5), the arc probe access interface (2) of standard arc probe (6) connecting test unit (1), test cell (1) is also provided with intake access interface (4).
2. the checkout equipment for arc light protecting device according to claim 1, it is characterized in that: described test cell (1) comprises the signal processing unit (14) of DSP and CPLD composition, LCD display (15), button and power module (16), the signal output part of signal processing unit (14) connects LCD display (15), the power end of signal processing unit (14) connects power module (16), the signal input part of signal processing unit (14) connects button, the current output terminal of signal processing unit (14) connects current unit (9) by current output terminal mouth (10), the light source output terminal of signal processing unit (14) connects visible light source (12) and the ultraviolet source (13) of arc light unit (8) by light source output port (11), the signal input part of signal processing unit (14) is by arc probe access interface (2) connection standard arc probe (6), signal processing unit (14) is connected intake access interface (4) by D/A converting circuit (17) with low-pass filtering buffer circuit (18).
3. the checkout equipment for arc light protecting device according to claim 1; it is characterized in that: described arc light unit (8) comprises a light shield; light shield one end arranges visible light source (12) and ultraviolet source (13); corresponding visible light source (12) and ultraviolet source (13) arrange standard arc probe placement section (5) and tested arc probe placement section (7) at the other end of light shield, arrange standard arc probe (6) in standard arc probe placement section (5).
4. the checkout equipment for arc light protecting device according to claim 1, is characterized in that: described current unit (9) adopts high-current signal generator; Or described current unit (9) comprises the input circuit connected successively, middle amplifying circuit and power output circuit, power output circuit periphery connects protection circuit, and power output circuit also connects input circuit by negative-feedback circuit.
5. the checkout equipment for arc light protecting device according to claim 1; it is characterized in that: described test cell (1) is also provided with network interface (3), test cell (1) connects host computer by network interface (3).
6. the checkout equipment for arc light protecting device according to claim 2, is characterized in that: the signal processing unit of described test cell (1) adopts TMS320F2812, and standard arc probe (6) adopts illuminance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420545985.1U CN204065289U (en) | 2014-09-22 | 2014-09-22 | For the checkout equipment of arc light protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420545985.1U CN204065289U (en) | 2014-09-22 | 2014-09-22 | For the checkout equipment of arc light protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065289U true CN204065289U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420545985.1U Withdrawn - After Issue CN204065289U (en) | 2014-09-22 | 2014-09-22 | For the checkout equipment of arc light protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065289U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198867A (en) * | 2014-09-22 | 2014-12-10 | 山东中瑞电气有限公司 | Testing method and testing equipment for arc protection device |
| CN106019135A (en) * | 2016-07-01 | 2016-10-12 | 南京五石金传感技术有限公司 | Testing instrument for arc protection device |
| CN106597270A (en) * | 2016-12-08 | 2017-04-26 | 云南电力试验研究院(集团)有限公司 | Structure and method for examining optical probe in arc protection apparatus |
-
2014
- 2014-09-22 CN CN201420545985.1U patent/CN204065289U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198867A (en) * | 2014-09-22 | 2014-12-10 | 山东中瑞电气有限公司 | Testing method and testing equipment for arc protection device |
| CN104198867B (en) * | 2014-09-22 | 2016-09-07 | 山东中瑞电气有限公司 | Detection Apparatus and method for for arc light protecting device |
| CN106019135A (en) * | 2016-07-01 | 2016-10-12 | 南京五石金传感技术有限公司 | Testing instrument for arc protection device |
| CN106019135B (en) * | 2016-07-01 | 2019-12-10 | 南京五石金传感技术有限公司 | Arc light protection device tester |
| CN106597270A (en) * | 2016-12-08 | 2017-04-26 | 云南电力试验研究院(集团)有限公司 | Structure and method for examining optical probe in arc protection apparatus |
| CN106597270B (en) * | 2016-12-08 | 2019-05-31 | 云南电力试验研究院(集团)有限公司 | The structure of optic probe in a kind of verification arc light protecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |