CN202204898U - Cable on-off detection device - Google Patents
Cable on-off detection device Download PDFInfo
- Publication number
- CN202204898U CN202204898U CN2011203196720U CN201120319672U CN202204898U CN 202204898 U CN202204898 U CN 202204898U CN 2011203196720 U CN2011203196720 U CN 2011203196720U CN 201120319672 U CN201120319672 U CN 201120319672U CN 202204898 U CN202204898 U CN 202204898U
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- emitting diode
- power supply
- detection device
- resistance
- light emitting
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- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a cable on-off detection device. The cable on-off detection device comprises a power supply and seven test channels, wherein each test channel consists of a resistor and a light-emitting diode which are in series connected; the anode of the power supply is respectively connected with one end of the resistor in each test channel; the other end of the resistor is connected with the input end of the light-emitting diode; the output end of the light-emitting diode is connected with one of eight core wires to be detected; and the cathode of the power supply is connected with the remaining one core wire of the eight core wires to be detected. The on and off states of a core wire can be judged according to the on and off states of the light-emitting diode. The cable on-off detection device is easy to operate and convenient to use.
Description
Technical field
The utility model relates to a kind of netting twine on-off system.
Background technology
The netting twine on off test is the common means that network connects, the general tester that adopts special use.But the operation of detector is comparatively complicated.Provide a kind of netting twine switching detection device of simple operations to have practicality.
Summary of the invention
The utility model technical matters to be solved is to the deficiency of above-mentioned background technology, and a kind of netting twine switching detection device is provided.
The utility model adopts following technical scheme for realizing the foregoing invention purpose:
A kind of netting twine switching detection device comprises power supply, seven TCH test channels, and wherein each TCH test channel becomes with a light emitting diode series by a resistance;
Wherein: the positive pole of power supply is connected with an end of resistance in each TCH test channel respectively; The other end of resistance is connected with the input end of light emitting diode; One in the output terminal of light emitting diode and 8 heart yearns to be detected is connected, and remaining that heart yearn is connected in the negative pole of power supply and 8 heart yearns to be detected.
The utility model adopts technique scheme, has following beneficial effect: simple in structure.According to the detection needs, adjustment inserts the resistance number of testing circuit flexibly, can detect the break-make of eight heart yearns simultaneously, the convenient use.
Description of drawings
Fig. 1 is the synoptic diagram of the related netting twine switching detection device of the utility model.
Embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to the utility model:
Netting twine switching detection device as shown in Figure 1 comprises power supply, seven TCH test channels.Each TCH test channel becomes with a light emitting diode series by a resistance; The positive pole of power supply is connected with an end of resistance in each TCH test channel respectively; The other end of resistance is connected with the input end of light emitting diode; One in the output terminal of light emitting diode and 8 heart yearns to be detected is connected, and remaining that heart yearn is connected in the negative pole of power supply and 8 heart yearns to be detected.
An end that has the netting twine of RJ45 connector is added on the test port 1,1～No. 8 pin short circuit of test port 1.The other end that has the netting twine of RJ45 connector is added on the test port 2, and the 8th pin on the test port 2 is as the common port of test loop, and links to each other with battery E negative pole.The input end of each resistance and the light emitting diode corresponding with it is connected, and the input end of 7 resistance also connects the back and is connected with positive source, and the output terminal of light emitting diode is connected with heart yearn to be detected, and any one in power cathode and eight heart yearns is connected.
Battery E positive pole is through current-limiting resistance R1～R7, netting twine break-make indication light emitting diode D1～D7 and pass through corresponding tested 1～No. 7 heart yearn formation test access, can be judged the break-make of 1～No. 8 heart yearn by the luminous situation of D1～D7:
(1) D1～D7 lamp is bright entirely, then shows the heart yearn all-pass 1～No. 8;
(2) D1～D7 lamp does not work entirely, shows that then No. 8 heart yearns are disconnected;
(3) at least one is bright in D1～D7 lamp, shows that bright lamp connected in D1～D7 lamp heart yearn and No. 8 heart yearns are logical.
Claims (1)
1. netting twine switching detection device, it is characterized in that: comprise power supply, seven TCH test channels, wherein each TCH test channel becomes with a light emitting diode series by a resistance;
Wherein: the positive pole of power supply is connected with an end of resistance in each TCH test channel respectively; The other end of resistance is connected with the input end of light emitting diode; One in the output terminal of light emitting diode and 8 heart yearns to be detected is connected, and remaining that heart yearn is connected in the negative pole of power supply and 8 heart yearns to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203196720U CN202204898U (en) | 2011-08-30 | 2011-08-30 | Cable on-off detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203196720U CN202204898U (en) | 2011-08-30 | 2011-08-30 | Cable on-off detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202204898U true CN202204898U (en) | 2012-04-25 |
Family
ID=45969016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203196720U Expired - Fee Related CN202204898U (en) | 2011-08-30 | 2011-08-30 | Cable on-off detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202204898U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048580A (en) * | 2012-12-19 | 2013-04-17 | 美律电子（惠州）有限公司 | On-off detection jig for earphone circuit |
| CN103592555A (en) * | 2012-08-16 | 2014-02-19 | 神讯电脑(昆山)有限公司 | Network interface monomer test equipment |
| CN105785214A (en) * | 2016-03-10 | 2016-07-20 | 国网山东省电力公司莱州市供电公司 | Simple cable testing instrument |
-
2011
- 2011-08-30 CN CN2011203196720U patent/CN202204898U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592555A (en) * | 2012-08-16 | 2014-02-19 | 神讯电脑(昆山)有限公司 | Network interface monomer test equipment |
| CN103048580A (en) * | 2012-12-19 | 2013-04-17 | 美律电子（惠州）有限公司 | On-off detection jig for earphone circuit |
| CN105785214A (en) * | 2016-03-10 | 2016-07-20 | 国网山东省电力公司莱州市供电公司 | Simple cable testing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20120830 |