CN203133219U - Wire harness detection circuit and wire harness detection apparatus - Google Patents
Wire harness detection circuit and wire harness detection apparatus Download PDFInfo
- Publication number
- CN203133219U CN203133219U CN 201320117196 CN201320117196U CN203133219U CN 203133219 U CN203133219 U CN 203133219U CN 201320117196 CN201320117196 CN 201320117196 CN 201320117196 U CN201320117196 U CN 201320117196U CN 203133219 U CN203133219 U CN 203133219U
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- wire harness
- detection circuit
- terminal
- emitting diode
- power supply
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Abstract
本实用新型公开了一种线束检测电路及装置，线束检测电路包括多路彼此隔离的检测电路，每路检测电路包括电源、第一接线端、第二接线端、电阻以及发光二极管，所述电源接入所述第一接线端，所述第二接线端、电阻及发光二极管的正极顺次相连，所述发光二极管的负极接于地线，其中，每路检测电路的地线彼此不相同，所述第一接线端和第二接线端用于电连接于待测线束的两端，当线束接通时所述发光二极管导通。本实用新型公开了一种线束检测装置。
This utility model discloses a wire harness detection circuit and device. The wire harness detection circuit includes multiple isolated detection circuits. Each detection circuit includes a power supply, a first terminal, a second terminal, a resistor, and a light-emitting diode (LED). The power supply is connected to the first terminal. The second terminal, the resistor, and the positive terminal of the LED are connected in sequence. The negative terminal of the LED is connected to ground. The ground wires of each detection circuit are different. The first and second terminals are used to electrically connect to the two ends of the wire harness under test. When the wire harness is connected, the LED conducts. This utility model also discloses a wire harness detection device.
Description
Technical field
The utility model relates to the electric circuit inspection field, relates in particular to a kind of wire harness testing circuit and device.
Background technology
Detection for wire harness, whether common scheme employing multimeter is tested wire harness to be detected and is communicated with, and the shortcoming of this kind detection scheme is, when the wire harness of detection of complex system, because wire harness makes multimeter big than difficult measurement and workload more, and difficulty is found out corresponding wire harness.
The utility model content
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of wire harness testing circuit is provided, comprise the testing circuit that multichannel is isolated from each other, every alignment detection circuit comprises power supply, first terminals, second terminals, resistance and light emitting diode, described power supply inserts described first terminals, the positive pole of described second terminals, resistance and light emitting diode links to each other in turn, the negative pole of described light emitting diode is connected to ground wire, wherein, the ground wire of every alignment detection circuit is differing from each other, described first terminals and second terminals are used for being electrically connected on the two ends of wire harness to be measured, described light emitting diode conducting when wire harness is connected.
Wherein, described first terminals and second terminals are for can plug the Wiring type terminal.
Another technical scheme that the utility model adopts is:
A kind of Beam Detector is provided, comprise the described wire harness testing circuit of claim, described Beam Detector also comprises MCU and the code translator that is electrically connected with described MCU, and described MCU be used for to drive code translator power supply of this alignment detection circuit of conducting only in the time of the poll of each alignment detection circuit.
Wherein, described code translator is CD4514 and the paired code translator of CD4515.
Wire harness testing circuit of the present utility model and device, by MCU control code translator power supply of this alignment detection circuit of conducting only in the time of the poll of each alignment detection circuit, realize multichannel isolation power supply, described light emitting diode conducting is luminous when wire harness is connected, when any two wire harness are connected incorrect order with terminals, namely when between the terminals that same wire harness inserted the two-way detection line respectively, the light emitting diode of the two-way detection line correspondence of misconnection ends, all not luminous, realize the differentiation to incorrect order.Further, described wire harness testing circuit uses can plug the Wiring type terminal, correspondingly, can detect the wire harness with all size terminal, easily expansion upgrading.
Description of drawings;
Fig. 1 is the circuit connection diagram of wire harness testing circuit in the utility model one embodiment;
Fig. 2 is the structured flowchart of Beam Detector in the utility model one embodiment.
The main element symbol description:
MCU100; Code translator 200; Wire harness testing circuit 300.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, it is the circuit connection diagram of a kind of wire harness testing circuit in the utility model one embodiment, this wire harness testing circuit 300 comprises the testing circuit that multichannel is isolated from each other, being example with the n alignment detection circuit below describes the circuit catenation principle of every alignment detection circuit, the n alignment detection circuit comprises power supply VCn, the first wiring P1n, the second terminals P2n, resistance R n and light emitting diode Dn, described power supply VCn inserts the described first terminals P1n, the described second terminals P2n, the positive pole of resistance R n and light emitting diode Dm links to each other in turn, the negative pole of described light emitting diode Dn is connected to ground wire GND, wherein, the ground wire of every alignment detection circuit is differing from each other, described first terminals and second terminals are used for being electrically connected on the two ends of wire harness to be measured, and described light emitting diode conducting is luminous when wire harness is connected.
In the present embodiment, described first terminals and second terminals correspondingly, can detect the wire harness with all size terminal for can plug the Wiring type terminal, easily expansion upgrading.
Seeing also Fig. 2, is the structured flowchart of a kind of Beam Detector in the utility model one embodiment.This Beam Detector comprises described wire harness testing circuit 300, described Beam Detector also comprises MCU100 and the code translator 200 that is electrically connected with described MCU100, described MCU100 be used for to drive code translator 200 power supply of this alignment detection circuit of conducting only in the time of the poll of each alignment detection circuit, realize multichannel isolation power supply, when any two wire harness are connected incorrect order with terminals, namely when between the terminals that same wire harness inserted the two-way detection line respectively, the light emitting diode of the two-way detection line correspondence of misconnection ends, all not luminous, realize the differentiation to incorrect order.
In the present embodiment, described code translator 200 is CD4514 and the paired code translator of CD4515, and the time of each road poll all is the delicate utmost point.
Wire harness testing circuit of the present utility model and device, by MCU control code translator power supply of this alignment detection circuit of conducting only in the time of the poll of each alignment detection circuit, realize multichannel isolation power supply, described light emitting diode conducting is luminous when wire harness is connected, when any two wire harness are connected incorrect order with terminals, namely when between the terminals that same wire harness inserted the two-way detection line respectively, the light emitting diode of the two-way detection line correspondence of misconnection ends, all not luminous, realize the differentiation to incorrect order.Further, described wire harness testing circuit uses can plug the Wiring type terminal, correspondingly, can detect the wire harness with all size terminal, easily expansion upgrading.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117196 CN203133219U (en) | 2013-03-14 | 2013-03-14 | Wire harness detection circuit and wire harness detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117196 CN203133219U (en) | 2013-03-14 | 2013-03-14 | Wire harness detection circuit and wire harness detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203133219U true CN203133219U (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320117196 Expired - Lifetime CN203133219U (en) | 2013-03-14 | 2013-03-14 | Wire harness detection circuit and wire harness detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203133219U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743989A (en) * | 2013-12-28 | 2014-04-23 | 柳州力通车用空调有限公司 | An air conditioner wire harness electric detecting apparatus |
| CN103884957A (en) * | 2014-04-09 | 2014-06-25 | 威猛工业自动化系统（昆山）有限公司 | Cable tester |
| CN108983023A (en) * | 2018-07-06 | 2018-12-11 | 洛阳市黄河软轴控制器股份有限公司 | A kind of wiring harness test method and its detection device and detection circuit |
| CN111580013A (en) * | 2020-05-27 | 2020-08-25 | 上海趣致网络科技股份有限公司 | Cable detection circuit of unmanned vending machine |
-
2013
- 2013-03-14 CN CN 201320117196 patent/CN203133219U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743989A (en) * | 2013-12-28 | 2014-04-23 | 柳州力通车用空调有限公司 | An air conditioner wire harness electric detecting apparatus |
| CN103884957A (en) * | 2014-04-09 | 2014-06-25 | 威猛工业自动化系统（昆山）有限公司 | Cable tester |
| CN103884957B (en) * | 2014-04-09 | 2017-08-01 | 威猛工业自动化系统（昆山）有限公司 | A kind of cable tester |
| CN108983023A (en) * | 2018-07-06 | 2018-12-11 | 洛阳市黄河软轴控制器股份有限公司 | A kind of wiring harness test method and its detection device and detection circuit |
| CN111580013A (en) * | 2020-05-27 | 2020-08-25 | 上海趣致网络科技股份有限公司 | Cable detection circuit of unmanned vending machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |