CN204479734U - Fault detector test fixture - Google Patents
Fault detector test fixture Download PDFInfo
- Publication number
- CN204479734U CN204479734U CN201420865710.6U CN201420865710U CN204479734U CN 204479734 U CN204479734 U CN 204479734U CN 201420865710 U CN201420865710 U CN 201420865710U CN 204479734 U CN204479734 U CN 204479734U
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- signal
- output unit
- test fixture
- signal output
- fault detector
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- 238000012360 testing method Methods 0.000 title claims abstract description 106
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 230000007257 malfunction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model relates to a kind of fault detector test fixture, comprise signal transacting and control module, signal output unit, power supply unit, current output unit and sealing frock, the signal input part of the signal output part connection signal output unit of signal transacting and control module, the signal output part of signal output unit connects the signal input part of sealing frock, and the signal output part of sealing frock forms the test signal output terminal of test fixture; The power output end connection signal process of power supply unit and the power input of control module and the power input of current output unit, the output terminal of current output unit forms the supplying power for outside terminals of test fixture; Signal transacting and control module are provided with pilot lamp signal input part, pass through Fiber connection between the signal output part of signal output unit and the signal input part of sealing frock.The integrated quiescent dissipation of the utility model, short circuit, earthing test frock are integrated, and do not relate to too much equipment as pressure regulator, battery, multimeter etc.
Description
Technical field
The utility model relates to a kind of multifunctional testing frock for detection failure indicator gauges circuit board, can the quiescent dissipation of measuring instrument circuit board and the fault alarm function such as short circuit, ground connection.
Background technology
In looped network distribution system, particularly use in a large number in the system of ring net load switch, if there occurs short trouble or earth fault in next stage distribution network system, the electric power system of upper level must carry out disjunction, to prevent major accident in official hour.By fault detector, the part broken down can be marked.Maintenance personal can find rapidly according to the alerting signal of fault detector the section broken down, and breaks fault section, thus recovers the power supply of non-fault section in time.The quality of fault detector is the important device ensureing the reliable and stable operation of looped network to a certain extent, is therefore necessary to test fault detector, the mainly circuit board of test failure indicator gauges.
Indicating fault instruments and meters is checked more accurately in order to better, need design test fixture, send simulation alerting signal by frock control device and pass to fault detector instrument signal receiving end by optical fiber cable, after instrument receives this signal, produce corresponding fault alarm indicator signal, in this way the fault alarm function of check gauge.The existing test fixture for detection failure indicator gauges circuit board is divided into quiescent dissipation test fixture, short circuit testing tool and earthing test frock.Different tests needs to adopt different frocks, and often kind of frock has the deficiency of self.
Quiescent dissipation test fixture is used for the quiescent dissipation value of testing circuit plate, powered to circuit board by lithium battery, the signal receiving end of Simple sealing frock potted circuit plate, by multimeter display quiescent dissipation value, on range estimation multimeter, whether the quiescent dissipation value that shows is in the codomain of technical requirement, completes the judgement whether qualified to the quiescent dissipation of circuit board.Above-mentioned quiescent dissipation test fixture adopts lithium battery power supply usually, multimeter display quiescent dissipation value, simple frock carrys out sealed photoelectric pipe, because battery has certain life cycle, need often to change, and during test, multimeter also needs frequent regulation stall, the operation steps of operation is too much, and man-hour is relatively long.
Short circuit testing tool and earthing test frock are respectively used to the fault alarm function of the short circuit of testing circuit plate and ground connection, the two all will be adjusted to by pressure regulator the specified alarm current that input current is sensor, and being turned on or off with relay controller control inputs electric current, electric current in current sensor testing circuit also produces transducing signal, this signal sends into indicating fault instruments and meters by optical fiber, indicating fault instruments and meters judges whether electric current exceedes setting thresholding, complete the display of fault, after the signal input part of circuit board receives transducing signal, the malfunction indicator lamp that then signal input part is corresponding is reported to the police, complete the qualified detection to this road signal, it is qualified that three road short trouble functions detect respectively through two two-way, the short trouble warning function just completing decision circuitry plate is qualified.Sensor due to above-mentioned test fixture needs constantly to convert according to production requirement, pressure regulator also needs constantly adjustment and input current to affect by motor simultaneously, and the optical fiber in frock repeatedly plugs the factors such as easily wearing and tearing, affects accuracy of detection, reduce product quality, security is not high.
Utility model content
In order to overcome the above-mentioned deficiency under prior art, the purpose of this utility model is to provide a kind of fault detector test fixture, can the quiescent dissipation of detection failure indicator gauges circuit board, short circuit and ground connection fault alarm function, realize a tractor serves several purposes.
The technical solution of the utility model is:
A kind of fault detector test fixture, comprise signal transacting and control module, signal output unit, power supply unit, current output unit and for the sealing frock for the shading of circuit-under-test partitioned signal receiving end, described signal transacting is connected the signal input part of described signal output unit with the signal output part of control module, the signal output part of described signal output unit connects the signal input part of described sealing frock, and the signal output part of described sealing frock forms the test signal output terminal of described test fixture; The power output end of described power supply unit connects the power input of described signal transacting and control module and the power input of described current output unit, and the output terminal of described current output unit forms the supplying power for outside terminals of test fixture; Described signal transacting and control module are provided with pilot lamp signal input part.
Preferably by Fiber connection between the signal output part of described signal output unit and the signal input part of described sealing frock.
Described power supply unit preferably adopts Switching Power Supply.
Described current output unit is powered to circuit-under-test plate while preferably adopting volometer to show current value.
The circuit of described signal transacting and control module adopts low-power chip.
Described fault detector test fixture can also be furnished with the testing needle for connecting described pilot lamp signal input part and circuit-under-test plate alarm lamp signal output part.
Described fault detector test fixture can also be furnished with the testing needle of output terminal for connecting described current output unit and circuit-under-test on board supply incoming end.
Described sealing frock comprise be applicable to EKL series, DJD series and DJGI series of faults indicator gauges circuit board sealing frock in one or more.
Described fault detector test fixture is also provided with housing, and described volometer display screen is embedded in the surface of described housing, and described signal transacting and control module, signal output unit and power supply unit are positioned at described enclosure interior.
The beneficial effects of the utility model are: described fault detector test fixture can complete whole test functions of quiescent dissipation detection under prior art, short trouble alarm detection, earth fault alarm detection three kinds independently test fixture, three operations become an operation, reduce cost, improve production efficiency and product quality; Without the need to other instrument and equipments of arranging in pairs or groups, such as lithium battery, multimeter, sensor, pressure regulator, relay controller, mutual inductor etc., also do not need to regulate pressure regulator, transformative transducer etc., operation is simplified; Have well stable signal source, can detect accurately, reliability is high, and antijamming capability is strong; This test fixture also supports the detection of polytypic fault detector appliance circuit plate, short circuit and earth fault warning function measuring accuracy high.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of application the utility model test failure indicator gauges circuit board.
Embodiment
See Fig. 1, the utility model discloses a kind of fault detector test fixture, comprise signal transacting and control module 4, signal output unit 5, power supply unit 2, current output unit 3 and for the sealing frock 6 for the shading of circuit-under-test partitioned signal receiving end, described signal transacting is connected the signal input part of described signal output unit with the signal output part of control module, described signal output unit mainly carries out electro-optic conversion, by transmission or the stopping of signal transacting and control module control signal.The signal output part of described signal output unit connects the signal input part of described sealing frock, leads for connecting 7 is for being common to the signal transmssion line of sensor, the signal output part of described sealing frock forms the test signal output terminal of described test fixture, for connecting circuit-under-test partitioned signal receiving end (i.e. fault detector instrument signal receiving end); The power output end of described power supply unit connects the power input of described signal transacting and control module and the power input of described current output unit, for both power supply, the output terminal of described current output unit forms the supplying power for outside terminals of test fixture, power input for connecting circuit-under-test plate is powered to circuit-under-test plate, and described current output unit is powered to circuit-under-test plate while preferably adopting volometer to show current value.Described signal transacting and control module are provided with pilot lamp signal input part, for connecting circuit-under-test plate alarm lamp signal output part.
Described sealing frock can comprise in the sealing frock being applicable to EKL series, DJD series and DJGI series of faults indicator gauges circuit board one or more, according to the type of surveyed product type selection sealing frock.Preferably by Fiber connection between the signal output part of described signal output unit and the signal input part of described sealing frock.Adopt described sealing frock to be because need when testing to remove fault detector meter case, and can effectively prevent circuit-under-test partitioned signal receiving end to be subject to testing the impact of using up with UV light by described sealing frock.
Described power supply unit preferably adopts Switching Power Supply.
The circuit of described signal transacting and control module preferably adopts low-power chip.Design static angle stability is less than 10 microamperes.
Described fault detector test fixture can also be furnished with the testing needle 8 of testing needle 8 for connecting described pilot lamp signal input part and circuit-under-test plate alarm lamp signal output part and the output terminal for being connected described current output unit and circuit-under-test on board supply incoming end.
Described fault detector test fixture is also provided with housing, and described volometer display screen is embedded in the surface of described housing, and described signal transacting and control module, signal output unit and power supply unit are positioned at described enclosure interior.Described signal transacting and control module, signal output unit, power supply unit and current output unit are configured to the control device unit 1 of this frock, and described control device cellular installation is in test station.
Described circuit-under-test partitioned signal receiving end PD0-PD3 corresponds respectively to fault alarm pilot lamp L0-L3.Described circuit-under-test partitioned signal receiving end adopts photoelectric tube.The output terminal LED0-LED3 of described signal output unit corresponds respectively to circuit-under-test partitioned signal receiving end PD0-PD3.
The process adopting this test fixture to test is:
1, select the type of sealing frock according to institute's slowdown monitoring circuit template number, and be installed on control device unit;
2, be placed on by test fixture on nominative testing station, fixing circuit-under-test plate is on test fixture.Sealing frock is arranged on circuit-under-test plate, between circuit-under-test plate and control device unit, connects aforesaid testing needle.Start test, the Reset/Test key pressed on circuit-under-test plate makes malfunction indicator lamp be state of entirely going out (corresponding fault alarm pilot lamp signal is high level), then checks that the current value that current output unit shows is the quiescent dissipation value of circuit board.
The fault alarm pilot lamp signal collecting circuit-under-test plate when signal transacting and control module is state of entirely going out, signal transacting and control signal unit just control signal output unit with order it to output signal.The signal receiving end of circuit-under-test plate receives the next signal of test fixture transmission, and corresponding short circuit or the fault alarm pilot lamp of ground connection are reported to the police.Concrete operations are: press Reset/Test key and reset, the fault alarm pilot lamp signal that signal transacting and control module gather circuit-under-test plate is high level entirely, and just proceed-to-send signal LED0 is to the signal receiving end PD0 of circuit board.Stop sending after crossing 0.23s, circuit board signal receiving end PD0 receives the signal that test fixture sends, then the fault alarm pilot lamp L0 of its correspondence reports to the police, and lamp is bright, and earth fault arbitration functions is qualified.The Reset/Test key pressing circuit board makes it to be in static state.By method above, carry out the detection of short-circuit function, when circuit board signal receiving end receive signal that LED1-LED3 sends over simultaneously corresponding fault alarm pilot lamp L1-L3 all report to the police, then short trouble arbitration functions is qualified.
3, detect ground connection and short trouble warning function all qualified after, under circuit board static state, check that whether the current value of current output unit is in circuit board quiescent dissipation codomain, whether the quiescent dissipation of further decision circuitry plate qualified.
The utility model is integrated with quiescent dissipation, short circuit, earthing test frock are integrated, without the need to relating to too much equipment as pressure regulator, relay controller, battery, sensor, cable frock, mutual inductor, reometer, multimeter etc., reduce labile factor, reduce costs, antijamming capability is strong, and more intelligent.
Claims (10)
1. a fault detector test fixture, it is characterized in that comprising signal transacting and control module, signal output unit, power supply unit, current output unit and for the sealing frock for the shading of circuit-under-test partitioned signal receiving end, described signal transacting is connected the signal input part of described signal output unit with the signal output part of control module, the signal output part of described signal output unit connects the signal input part of described sealing frock, and the signal output part of described sealing frock forms the test signal output terminal of described test fixture; The power output end of described power supply unit connects the power input of described signal transacting and control module and the power input of described current output unit, and the output terminal of described current output unit forms the supplying power for outside terminals of test fixture; Described signal transacting and control module are provided with pilot lamp signal input part.
2. fault detector test fixture as claimed in claim 1, is characterized in that passing through Fiber connection between the signal output part of described signal output unit and the signal input part of described sealing frock.
3. fault detector test fixture as claimed in claim 2, is characterized in that described power supply unit adopts Switching Power Supply.
4. fault detector test fixture as claimed in claim 3, is characterized in that described current output unit adopts volometer display current value to power to circuit-under-test plate simultaneously.
5. fault detector test fixture as claimed in claim 4, is characterized in that the circuit of described signal transacting and control module adopts low-power chip.
6. fault detector test fixture as claimed in claim 5, is characterized in that the testing needle be also furnished with for connecting malfunction indicator lamp on described pilot lamp signal input part and circuit-under-test plate.
7. fault detector test fixture as claimed in claim 6, is characterized in that also being furnished with the testing needle of output terminal for connecting described current output unit and circuit-under-test on board supply incoming end.
8. the fault detector test fixture as described in claim 1,2 or 3, it is characterized in that described sealing frock comprise be applicable to EKL series, DJD series and DJGI series of faults indicator gauges circuit board sealing frock in one or more.
9. the fault detector test fixture as described in claim 4,5,6 or 7, it is characterized in that described sealing frock comprise be applicable to EKL series, DJD series and DJGI series of faults indicator gauges circuit board sealing frock in one or more.
10. fault detector test fixture as claimed in claim 9, it is characterized in that also being provided with housing, described volometer display screen is embedded in the surface of described housing, and described signal transacting and control module, signal output unit and power supply unit are positioned at described enclosure interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865710.6U CN204479734U (en) | 2014-12-31 | 2014-12-31 | Fault detector test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865710.6U CN204479734U (en) | 2014-12-31 | 2014-12-31 | Fault detector test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479734U true CN204479734U (en) | 2015-07-15 |
Family
ID=53635521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865710.6U Expired - Fee Related CN204479734U (en) | 2014-12-31 | 2014-12-31 | Fault detector test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204479734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109564255A (en) * | 2016-08-01 | 2019-04-02 | 恩德斯+豪斯流量技术股份有限公司 | For being electrically connected the test macro checked to electronic component and circuit board |
| CN110045270A (en) * | 2019-05-11 | 2019-07-23 | 宁波吉田智能洁具科技有限公司 | Integral type detects encapsulating line |
-
2014
- 2014-12-31 CN CN201420865710.6U patent/CN204479734U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109564255A (en) * | 2016-08-01 | 2019-04-02 | 恩德斯+豪斯流量技术股份有限公司 | For being electrically connected the test macro checked to electronic component and circuit board |
| US10955492B2 (en) | 2016-08-01 | 2021-03-23 | Endress+Hauser Flowtec Ag | Test system for checking electrical connections of electronic components to a printed circuit board |
| CN110045270A (en) * | 2019-05-11 | 2019-07-23 | 宁波吉田智能洁具科技有限公司 | Integral type detects encapsulating line |
| CN110045270B (en) * | 2019-05-11 | 2024-05-17 | 宁波吉田智能洁具科技有限公司 | Integrated detection glue filling line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fault indicator testing tool Effective date of registration: 20151028 Granted publication date: 20150715 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING HYLITON POWER TECHNOLOGY Co.,Ltd. Registration number: 2015990000922 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190419 Granted publication date: 20150715 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING HYLITON POWER TECHNOLOGY Co.,Ltd. Registration number: 2015990000922 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fault indicator testing tool Effective date of registration: 20191021 Granted publication date: 20150715 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING HYLITON POWER TECHNOLOGY Co.,Ltd. Registration number: Y2019990000379 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 |