CN101118270A - Wire harness tester - Google Patents
Wire harness tester Download PDFInfo
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- CN101118270A CN101118270A CNA2007101043678A CN200710104367A CN101118270A CN 101118270 A CN101118270 A CN 101118270A CN A2007101043678 A CNA2007101043678 A CN A2007101043678A CN 200710104367 A CN200710104367 A CN 200710104367A CN 101118270 A CN101118270 A CN 101118270A
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- wire harness
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Abstract
The present invention discloses a wire testing device comprises a machine case (3), a single chip that is arranged in the machine case (3), a liquid crystal display, a memory, a keyboard input circuit and a joint plate; wherein, the liquid crystal display, the memory and the keyboard input circuit are all connected with the single chip, the machine case is provided with a keyboard (4), the joint plate is provided with an output circuit and an input circuit which are for wire testing, and the joint plate has a wire testing port. The input end of the input circuit is connected respectively with the output end of the output circuit and one pin of the testing port. The output circuit and the input circuit which are for wire testing are connected with the single chip separately. The present invention adopts the wire testing circuit of the joint plate, and each pin of the testing port on the joint plate has the function of inputting and outputting signals, thus realizing the two-way power-on test. The present invention resolves the difficulties of complicated circuit and unstable operation in the prior art; and has the characteristics of high automation level and fast operating rate.
Description
[technical field]
The present invention relates to a kind of wire harness tester, particularly relate to the device that a kind of bundle general-use detects.
[background technology]
Along with developing rapidly of detection technique, the detection technique convenience is required also more and more higher, and along with the continuous increase of wire harness kind and number of endpoint, traditional detection mode is bothersome but also effort not only, can't satisfy requirements of one's work.At present, the method that is used for detecting wire harness is main another several down: one, with the visual inspection wire harness whether connector wrong plug position is arranged, two, open circuit or short circuit with the digital multimeter detection.Carrying out wire harness with digital multimeter detects, needing many people to cooperate tests corresponding pin, detect like this and can accept the less wire harness of connector, yet patch number of packages in case many, detection is got up consuming time and accuracy is not high yet, often only test path and opened circuit the very difficult situation that detects short circuit and misconnection.Specific wire harness detector is only to design at certain specific wire harness, versatility and practicality are not high, can't satisfy present wire harness kind and patch the demand that number of packages increases, this detector not only sensing range is limited, and function singleness, testing result often shows with the form of hummer or light emitting diode, promptly enable to satisfy the detection of this kind wire harness, this detection method requires long-time many people to cooperate simultaneously, detection for wire harness in enormous quantities, its accuracy and reliability are to can not get effective guarantee, and detection efficiency is very low.Look into Chinese patent database, its Granted publication number is CN2667502Y, and name is called the utility model patent of " general cable automatic tester ".The general cable automatic tester of this structure has just solved the problem that exists in above-mentioned two kinds of test modes.But also there is shortcoming in this general cable automatic tester: it had both adopted a test signal circuit first, and acceptance test loop signal circuit is arranged again, and its circuit structure is comparatively complicated; Its two, this test mode is to adopt the input/output terminal of wire harness that corresponded manner is one by one arranged, when the output terminal of wire harness is more than input end, just need again unnecessary output terminal is inserted in other test port or again row test, so just increased operational trouble.In addition, if be provided with the electronic component of diode and so in the wire harness of needs test, if the input end of this diode is received on the acceptance test loop signal circuit, output terminal is received on the signalling test circuit, will be judged to be this circuit for disconnecting, so it can only carry out unidirectional test.Thereby, also there is certain drawback in its operation.
[summary of the invention]
In view of the deficiency that exists in the background technology, the technical problem to be solved in the present invention provides a kind ofly can carry out two-way test to wire harness, can detect the diode, bulb, resistance, the capacity cell that are connected in the cable, can detect comparatively complicated wire harness connects, need not programme, the wire harness of standard can directly produce normal data, and wire harness tester simple in structure.
For solving the problems of the technologies described above, the present invention takes following technical scheme to realize:
A kind of wire harness tester, include cabinet, be installed in the single-chip microcomputer in the cabinet, LCD, storer, keyboard input circuit and interface board, described LCD, storer and keyboard input circuit all are connected with single-chip microcomputer, cabinet is provided with keyboard, interface board is provided with the output circuit and the input circuit of wire harness test, the input end of input circuit is connected with the output terminal of output circuit and is connected with a pin of test port, the wire harness test port is installed on interface board, and the output circuit of described wire harness test is connected with single-chip microcomputer with input circuit; The wiring board that single-chip microcomputer is installed is provided with the interface board connector, and this interface is connected with interface board by wire harness; Cabinet is provided with the window with the test port coupling, and described test port places in the window and exposes to cabinet; On described cabinet, also be provided with the mounting hole of mounting interface plate; The extension line of test port is to adopt winding displacement; The output circuit of single-chip microcomputer, storer, keyboard input circuit, wire harness test and input circuit and wire harness test port are installed on the same wiring board; Storer is a static RAM (SRAM), and the power failure power supply device is installed in cabinet; The input circuit of wire harness test comprises the bidirectional analog switch integrated circuit; The model of bidirectional analog switch integrated circuit is 4066 or 4016; The output circuit of test has the removing output pin, and this pin is by Single-chip Controlling; The common-use tunnel of input circuit and output circuit is connected with single-chip microcomputer by the bi-directional drive integrated circuit.
Among the present invention, only need the cable of standard is connected to the wire harness test port, a pin of wire harness test port is exported test signal high level or low level, then other pins are input end, write down the signal of all input ends and it is saved among the RAM, each pin of test port is exported test signal one by one, writes down the signal of all input ends one by one and it is saved among the RAM, has formed normal data.During the test wire harness, a pin of wire harness test port is exported test signal high level or low level, then other pins are input end, write down the signal of all input ends and it is saved among the RAM, each pin of test port is exported test signal one by one, write down the signal of all input ends one by one and it is saved among the RAM, just formed test data.The contrast of test data and normal data can be found the connection error situation of any one test port, has solved the one-way test that needs to send out test signal circuit and acceptance test loop signal circuit in the prior art, has the function of two-way test simultaneously again.The wire harness test port is installed on the interface board, the output circuit of test has the removing output pin, make this wire harness tester simple in structure firmly solid, travelling speed is fast, easy for installation, window with the test port coupling is set on body, cabinet is provided with the mounting hole of mounting interface plate, make that the installation of interface board is simpler, dismantle convenient.
[description of drawings]
Further describe relevant implementation detail of the present invention below more in conjunction with the accompanying drawings.
Fig. 1 is a structural drawing of the present invention;
Fig. 2 is a control section circuit diagram of the present invention;
Fig. 3 is an interface board circuit diagram of the present invention.
Among Fig. 1, label 1-liquid crystal display window; The 2-control panel; The 3-cabinet; 4-keyboard, 5-interface board mounting hole; The 6-window; 7-cabinet operating surface.
[embodiment]
With reference to accompanying drawing, this wire harness tester, include cabinet 3, be installed in the single-chip microcomputer in the cabinet 3, LCD, storer, keyboard input circuit and interface board, described LCD, storer and keyboard input circuit all are connected with single-chip microcomputer, cabinet 3 is provided with keyboard 4, interface board is provided with the output circuit and the input circuit of wire harness test, and the wire harness test port is installed on interface board, the input end of input circuit is connected with the output terminal of output circuit and is connected with a pin of described test port, and the output circuit of described wire harness test is connected with single-chip microcomputer with input circuit; The wiring board that single-chip microcomputer is installed is provided with the interface board connector, and this interface is connected with interface board by wire harness; Cabinet is provided with the window 6 with the test port coupling, and described test port places in the window and exposes to cabinet; On described cabinet, also be provided with the mounting hole 5 of mounting interface plate; The extension line of test port is to adopt winding displacement; Output circuit, input circuit and the wire harness test port of single-chip microcomputer, storer, keyboard input circuit, wire harness test are installed on the same wiring board; Storer is a static RAM (SRAM), and the power failure power supply device is installed in cabinet, can not lose to guarantee power failure back static RAM (SRAM) data; The input circuit of wire harness test comprises the bidirectional analog switch integrated circuit; The model of bidirectional analog switch integrated circuit is 4066 or 4016; The output circuit of test has the removing output pin, and this pin is by Single-chip Controlling; The common-use tunnel of input circuit and output circuit is connected with single-chip microcomputer by the bi-directional drive integrated circuit.
Fig. 2 is a control section circuit diagram of the present invention, specifically being following introduction: IC00 in conjunction with this figure is single-chip microcomputer, P7 is row's pull-up resistor of bus mouth, IC03 is a decoding scheme, and SP is a hummer, and IC2A is the driving integrated package of hummer, the R28 charging resistor, BAT is a battery, diode D11, D12 guarantees to supply with the power supply of RAM, and JZ is the crystal oscillator element, ICPW is a 5V three-terminal voltage-stabilizing element, P3 is the LCD connector, and AUTO is the interface board connector, and RAM is a storer, ICKEY and P1 form the keyboard input circuit, P2 is a keyboard socket, and E2 and E4 are power filtering capacitor, and IC05 is an address latch.
Fig. 3 is an interface board circuit diagram of the present invention, specifically being following introduction: POUT in conjunction with this figure is test port, IC5 is the bi-directional drive integrated circuit, and INPUT is the connector on the interface board, is connected with AUTO among Fig. 2 by this mouthful, the corresponding connection of its pin number with the pin number of AUTO, OUT1 and OUTB1 constitute No. 8 output circuits, and the 1st pin of OUT1 is for removing output terminal, and this pin is connected with single-chip microcomputer, OUTB1 is an open collector driver circuit, and its pin is connected with the A00-A07 network.INA1A, INA1B, INA1C, INA1D, INB1A, INB1B, INB1C, INB1D constitute No. 8 input circuits, above-mentioned components and parts are the bidirectional analog switch integrated circuit, each network number corresponding with OUTB1 by its pin and POUT is connected, model is 4066 or 4016, IC1, IC3 and IC4 are decoding scheme, IC2 is 8 toggle switchs, and this toggle switch has at least one to be closed, and P9 is row's pull-up resistor.The wiring diagram of 8 test pin of only drawing in the accompanying drawing, other pins can be directly with reference to expansion.
Accompanying drawing 2 of the present invention and accompanying drawing 3 can be installed in respectively on two wiring boards, also can be installed on the wiring board.Test port POUT can directly be welded on the interface board, also can test port be connected with interface board by lead-in wire.
When the present invention works, open the power supply of wire harness tester, getting the wire harness of a standard at first takes a sample, the end points that the standard wire harness is all is connected to test port according to a certain order, during sampling, press " sampling " key on the lower keyboard, the sampling beginning, a pin output test signal low level (or high level) of wire harness test port, then other pins are input end, write down the signal of all input ends and it is saved among the RAM, successively each pin of test port is exported test signal one by one, write down the signal of all input ends one by one and it is saved in and formed normal data among the RAM.The pattern difference of wire harness can be saved in reservoir with normal data, directly calls just passable in the time of conversion wire harness pattern.Then wire harness to be measured also is connected to test port by same order, press " manual test " button (perhaps " test automatically " button) on the lower keyboard, again by " determining " key, a pin output test signal low level (or high level) of wire harness test port, then all pins are input end, write down the signal of all input ends and it is saved among the RAM, successively each pin of test port is exported test signal one by one, write down the signal of all input ends one by one and it is saved in and formed test data among the RAM.Carry out the contrast of test data and normal data by single-chip microcomputer, comparing result has end points number that open circuit and short circuit, and the result is come out by liquid crystal display displays.When the data of data and the standard of test were identical, LCD then showed " test result is correct "; Otherwise, showing that then the wire harness corresponding input end is to disconnect or short circuit, it disconnects with " OPEN " and showing, and short circuit shows with " SHORT ".Detect wire harness like this, just judge certain root lead existing problem in the wire harness easily, a pin of the direct corresponding wire harness test port of data presented number, simultaneously, because the single-chip microcomputer circulation sends a test signal to the output port of test circuit, thereby, be easy to realize forward energising and the two-way test purpose of oppositely switching on.This wire harness tester is compared with known technology, has simple in structurely, firmly solid, easy for installation, simple to operate, and output circuit has the end of removing makes speeding up of running software, can the intrafascicular wire harness that is connected to diode, electric capacity, resistance, bulb of p-wire.
Claims (10)
1. wire harness tester, include cabinet (3), be installed in the single-chip microcomputer in the cabinet (3), LCD, storer, keyboard input circuit and interface board, described LCD, storer and keyboard input circuit all are connected with single-chip microcomputer, cabinet (3) is provided with keyboard (4), it is characterized in that: interface board is provided with the output circuit and the input circuit of wire harness test, and the wire harness test port is installed on interface board, the input end of described input circuit is connected with the output terminal of output circuit and is connected with a pin of described test port, and the output circuit of described wire harness test is connected with single-chip microcomputer with input circuit.
2. wire harness tester according to claim 1 is characterized in that the output circuit of wire harness test has the removing output pin, and this pin is by Single-chip Controlling.
3. wire harness tester according to claim 1 is characterized in that described cabinet is provided with the window (6) that mates with test port, and described test port places in the window (6) and exposes to cabinet (3).
4. according to claim 1 or 2 or 3 described wire harness testers, it is characterized in that also being provided with on the described cabinet (3) mounting hole (5) of mounting interface plate.
5. wire harness tester according to claim 1 is characterized in that test port is to adopt the winding displacement extension line.
6. wire harness tester according to claim 1 is characterized in that output circuit, input circuit and the wire harness test port of single-chip microcomputer, storer, keyboard input circuit, wire harness test is installed on the same wiring board.
7. wire harness tester according to claim 1 is characterized in that storer is a static RAM (SRAM), is equipped with the power failure power supply device in cabinet.
8. wire harness tester according to claim 1 is characterized in that the input circuit of wire harness test comprises the bidirectional analog switch integrated circuit.
9. wire harness tester according to claim 1 is characterized in that the wiring board that single-chip microcomputer is installed is provided with the interface board connector, and this interface is connected with interface board by wire harness.
10. wire harness tester according to claim 1 is characterized in that the common-use tunnel of input circuit and output circuit is connected with single-chip microcomputer by the bi-directional drive integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101043678A CN101118270A (en) | 2007-05-10 | 2007-05-10 | Wire harness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101043678A CN101118270A (en) | 2007-05-10 | 2007-05-10 | Wire harness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101118270A true CN101118270A (en) | 2008-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101043678A Pending CN101118270A (en) | 2007-05-10 | 2007-05-10 | Wire harness tester |
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| Country | Link |
|---|---|
| CN (1) | CN101118270A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359799A (en) * | 2011-09-16 | 2012-02-22 | 苏州天浩汽车部件有限公司 | Tester for wire harness set |
| CN101477166B (en) * | 2009-01-21 | 2012-09-19 | 深圳市特尔佳科技股份有限公司 | Wire harness test control panel and wire harness test control method |
| CN102928009A (en) * | 2012-09-05 | 2013-02-13 | 成都华太航空科技有限公司 | Test board for system of DMA-37A distance measuring equipment |
| CN102955096A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Cable testing mechanism |
| CN103245871A (en) * | 2013-05-15 | 2013-08-14 | 南京通用电器有限公司 | Wiring harness test instrument and wiring harness test method based on wiring harness test instrument |
| CN104180826A (en) * | 2013-05-27 | 2014-12-03 | 上海汽车集团股份有限公司 | Apparatus for monitoring interference between pipelines or wiring harnesses in automotive engine compartment |
| CN104391218A (en) * | 2014-12-12 | 2015-03-04 | 重庆和平自动化工程股份有限公司 | Wire harness detection circuit |
| CN104865460A (en) * | 2014-02-24 | 2015-08-26 | Eads飞机设计有限公司 | System for performing electrical tests to electrical wiring harnesses |
| CN105866610A (en) * | 2016-04-15 | 2016-08-17 | 中国海洋石油总公司 | Detection device and method for connecting bus |
| CN105866601A (en) * | 2016-05-30 | 2016-08-17 | 歌尔声学股份有限公司 | Wire welding fool-proof device and fool-proof method |
| CN107153144A (en) * | 2017-06-01 | 2017-09-12 | 芜湖侨云友星电气工业有限公司 | A kind of automotive wire bundle detection means and application method |
| CN107167705A (en) * | 2017-05-22 | 2017-09-15 | 芜湖博康机电有限公司 | A kind of Wire bundle testing apparatus |
| CN107367661A (en) * | 2017-05-31 | 2017-11-21 | 芜湖顺成电子有限公司 | Washing machine wire harness line sequence, which is powered, to be detected |
| CN108318780A (en) * | 2017-12-26 | 2018-07-24 | 北京航天测控技术有限公司 | A kind of testing lines system that distribution channel is expansible |
| CN108761267A (en) * | 2018-06-08 | 2018-11-06 | 安徽捷迅光电技术有限公司 | A kind of color selector valve line test device |
| CN109514134A (en) * | 2018-11-22 | 2019-03-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of welding auxiliary tester |
| RU2819713C1 (en) * | 2023-02-13 | 2024-05-23 | Акционерное общество "Московский машиностроительный завод "АВАНГАРД" | Device for control of electrical installation of electric harnesses |
-
2007
- 2007-05-10 CN CNA2007101043678A patent/CN101118270A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477166B (en) * | 2009-01-21 | 2012-09-19 | 深圳市特尔佳科技股份有限公司 | Wire harness test control panel and wire harness test control method |
| CN102359799A (en) * | 2011-09-16 | 2012-02-22 | 苏州天浩汽车部件有限公司 | Tester for wire harness set |
| CN102928009A (en) * | 2012-09-05 | 2013-02-13 | 成都华太航空科技有限公司 | Test board for system of DMA-37A distance measuring equipment |
| CN102955096A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Cable testing mechanism |
| CN103245871A (en) * | 2013-05-15 | 2013-08-14 | 南京通用电器有限公司 | Wiring harness test instrument and wiring harness test method based on wiring harness test instrument |
| CN103245871B (en) * | 2013-05-15 | 2015-10-21 | 南京通用电器有限公司 | A kind of wire harness tester and the wire harness method of testing based on this wire harness tester |
| CN104180826A (en) * | 2013-05-27 | 2014-12-03 | 上海汽车集团股份有限公司 | Apparatus for monitoring interference between pipelines or wiring harnesses in automotive engine compartment |
| CN104865460B (en) * | 2014-02-24 | 2019-01-18 | Eads飞机设计有限公司 | System for carrying out electrical testing to wirning harness |
| CN104865460A (en) * | 2014-02-24 | 2015-08-26 | Eads飞机设计有限公司 | System for performing electrical tests to electrical wiring harnesses |
| CN104391218A (en) * | 2014-12-12 | 2015-03-04 | 重庆和平自动化工程股份有限公司 | Wire harness detection circuit |
| CN105866610A (en) * | 2016-04-15 | 2016-08-17 | 中国海洋石油总公司 | Detection device and method for connecting bus |
| CN105866601A (en) * | 2016-05-30 | 2016-08-17 | 歌尔声学股份有限公司 | Wire welding fool-proof device and fool-proof method |
| CN107167705A (en) * | 2017-05-22 | 2017-09-15 | 芜湖博康机电有限公司 | A kind of Wire bundle testing apparatus |
| CN107367661A (en) * | 2017-05-31 | 2017-11-21 | 芜湖顺成电子有限公司 | Washing machine wire harness line sequence, which is powered, to be detected |
| CN107153144A (en) * | 2017-06-01 | 2017-09-12 | 芜湖侨云友星电气工业有限公司 | A kind of automotive wire bundle detection means and application method |
| CN107153144B (en) * | 2017-06-01 | 2019-08-23 | 芜湖侨云友星电气工业有限公司 | A kind of automotive wire bundle detection device and application method |
| CN108318780A (en) * | 2017-12-26 | 2018-07-24 | 北京航天测控技术有限公司 | A kind of testing lines system that distribution channel is expansible |
| CN108761267A (en) * | 2018-06-08 | 2018-11-06 | 安徽捷迅光电技术有限公司 | A kind of color selector valve line test device |
| CN108761267B (en) * | 2018-06-08 | 2020-12-22 | 安徽捷迅光电技术有限公司 | Look selects quick-witted valve line testing arrangement |
| CN109514134A (en) * | 2018-11-22 | 2019-03-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of welding auxiliary tester |
| RU2819713C1 (en) * | 2023-02-13 | 2024-05-23 | Акционерное общество "Московский машиностроительный завод "АВАНГАРД" | Device for control of electrical installation of electric harnesses |
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Open date: 20080206 |