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
- terminals
- light emitting
- emitting diode
- detection circuit
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Abstract
The utility model discloses a wire harness detection circuit and a wire harness detection apparatus. The wire harness detection circuit comprises multiple detection circuits which are isolated from each other, and each detection circuit comprises a power supply, a first terminal, a second terminal, a resistor and a light emitting diode. The power supply is connected to the first terminal, the second terminal, the resistor an anode of the light emitting diode are connected in order, and a cathode of the light emitting diode is connected to a ground wire. The ground wires of all the detection circuits are different from each other. Each first terminal and each second terminal are used for being electrically connected with two ends of a wire harness to be detected, and the wire harness is conducted, each light emitting diode is conducted. The utility model discloses the wire harness detection apparatus.
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)
1. wire harness testing circuit, it is characterized in that, 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, described second terminals, the positive pole of 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.
2. a kind of wire harness testing circuit according to claim 1 is characterized in that, described first terminals and second terminals are for can plug the Wiring type terminal.
3. Beam Detector, it is characterized in that, comprise any described wire harness testing circuit of claim 1-2, 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.
4. a kind of Beam Detector according to claim 3 is characterized in that, described code translator is CD4514 and the paired code translator of CD4515.
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 |