CN202815140U - 2M line on-off tester - Google Patents
2M line on-off tester Download PDFInfo
- Publication number
- CN202815140U CN202815140U CN 201220490195 CN201220490195U CN202815140U CN 202815140 U CN202815140 U CN 202815140U CN 201220490195 CN201220490195 CN 201220490195 CN 201220490195 U CN201220490195 U CN 201220490195U CN 202815140 U CN202815140 U CN 202815140U
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- Prior art keywords
- test
- line
- heart yearn
- pilot lamp
- slave
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- 238000012360 testing method Methods 0.000 claims abstract description 113
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
An embodiment of the utility model discloses a 2M line on-off tester which includes a testing primary machine and a testing auxiliary machine. The testing primary machine is connected with one end of a 2M line, and the testing auxiliary machine is connected with the other end of the 2M line. The testing primary machine includes a primary machine core line pin and a primary machine shielding layer pin which are connected with a core line and a shielding layer on one end of the 2M line. The testing auxiliary machine includes an auxiliary machine core line pin and an auxiliary machine shielding layer pin which are connected with the core line and the shielding layer arranged on the other end of the 2M line. In testing, a core line test channel and a shielding layer test channel are formed. The testing primary machine includes a primary machine core line indicating lamp. The testing auxiliary machine includes an auxiliary machine core line indicating lamp. The testing primary machine includes a primary machine shielding line indicating lamp. The testing auxiliary machine includes an auxiliary machine shielding line indicating lamp. The testing primary machine includes a primary machine short circuit indicating lamp. The testing auxiliary machine includes an auxiliary machine short circuit indicating lamp.
Description
Technical field
The utility model relates to the power measurement field, relates in particular to a kind of tester that the break-make of 2M line is tested.
Background technology
In electric system, need to test first break-make after the 2M line is carried out and exercise again usefulness, in order to avoid initiating failure.The 2M line generally includes heart yearn and screen layer two parts.When the break-make of 2M line is tested, need to all do detection to the conducting state of heart yearn, the conducting state of screen layer and the short-circuit condition between heart yearn and the screen layer.
Existing method of testing is to utilize multimeter to test the break-make of 2M line, but the method bothers relatively, therefore needs a kind of easy testing tool that is exclusively used in the test break-make.
The utility model content
The purpose of this utility model provides a kind of 2M line on off test instrument of easily-testing, to solve the relatively problem of trouble of existing 2M line test.
In order to achieve the above object, the utility model embodiment discloses a kind of 2M line on off test instrument, and described tester comprises Test Host and test slave, and described Test Host is connected to 2M line one end, and described test slave is connected to the other end of described 2M line; Described Test Host comprises main frame heart yearn pin and main frame screen layer pin, be connected to respectively heart yearn and the screen layer of described 2M line one end, described test slave comprises slave heart yearn pin and slave screen layer pin, is connected to respectively heart yearn and the screen layer of the described 2M line other end; When test, form respectively heart yearn test access and screen layer test access; Described Test Host comprises main frame heart yearn pilot lamp, and described test slave comprises slave heart yearn pilot lamp, and described main frame heart yearn pilot lamp and slave heart yearn pilot lamp are arranged in described heart yearn test access, are used to indicate the break-make situation of described heart yearn test access; Described Test Host comprises main frame shielding line pilot lamp, described test slave comprises slave shielding line pilot lamp, described main frame shielding line pilot lamp and slave shielding line pilot lamp are arranged in described shielding line test access, are used to indicate the break-make situation of described shielding line test access; Described Test Host comprises main frame short circuit pilot lamp, described test slave comprises slave short circuit pilot lamp, described main frame short circuit pilot lamp and slave short circuit pilot lamp are used to indicate the short-circuit conditions of described heart yearn and screen layer between described heart yearn test access and screen layer test access.
Preferably, described all pilot lamp are comprised of light emitting diode.
Preferably, described Test Host connects power supply, and between described power supply and the described Test Host protective resistance is arranged.
The 2M line on off test instrument of the utility model embodiment is simple in structure, and convenient test.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the 2M line on off test instrument of the utility model embodiment;
Fig. 2 is the structural representation of another embodiment of 2M line on off test instrument of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The 2M line on off test instrument of the utility model embodiment is used for the two ends heart yearn break-make situation of test 2M line, two ends screen layer break-make situation, and local terminal heart yearn and screen layer short-circuit conditions whether.Such as two ends heart yearn general rule heart yearn pilot lamp flicker (representative is normal), general rule go out (representing fault) not; Two ends screen layer general rule screen layer pilot lamp flicker (representative is normal), not general rule go out (representing fault); Local terminal heart yearn and screen layer do not have then short circuit pilot lamp flicker of short circuit (representative is normal), and then go out (representing fault) is short-circuited.
Fig. 1 is the structural representation of the 2M line on off test instrument of the utility model embodiment.As shown in the figure, described 2M line on off test instrument comprises Test Host and test slave, and described Test Host is connected to 2M line one end, and described test slave is connected to the other end of described 2M line; Described Test Host comprises main frame heart yearn pin y0 and main frame screen layer pin y1, be connected to respectively heart yearn and the screen layer of described 2M line one end, described test slave comprises slave heart yearn pin y2 and slave screen layer pin y3, is connected to respectively heart yearn and the screen layer of the described 2M line other end; When test, form respectively heart yearn test access y0-y2 and screen layer test access y1-y3; Described Test Host comprises main frame heart yearn pilot lamp L0, described test slave comprises slave heart yearn pilot lamp L3, described main frame heart yearn pilot lamp L0 and slave heart yearn pilot lamp L3 are arranged in described heart yearn test access y0-y2, are used to indicate the break-make situation of described heart yearn test access y0-y2; Described Test Host comprises main frame shielding line pilot lamp L1, described test slave comprises slave shielding line pilot lamp L4, described main frame shielding line pilot lamp L1 and slave shielding line pilot lamp L4 are arranged in described shielding line test access y1-y3, are used to indicate the break-make situation of described shielding line test access y1-y3; Described Test Host comprises main frame short circuit pilot lamp L2, described test slave comprises slave short circuit pilot lamp L5, described main frame short circuit pilot lamp L2 and slave short circuit pilot lamp L5 are used to indicate the short-circuit conditions of described heart yearn and screen layer between described heart yearn test access y0-y2 and screen layer test access y1-y3.
In the present embodiment, Test Host 9V Power supply, and a protective resistance R is arranged between described power supply and the described Test Host.
Fig. 2 is the structural representation of another embodiment of 2M line on off test instrument of the present utility model.In the present embodiment, all pilot lamp all are comprised of light emitting diode.
When utilizing the 2M line on off test instrument of the utility model embodiment that 2M line break-make situation is tested, the heart yearn that the lead-in wire y0 of Test Host is connected 2M line one end, the screen layer that the lead-in wire y1 of Test Host is connected the same end of 2M line, to test the heart yearn of the lead-in wire y2 connection 2M line other end of slave, the lead-in wire y3 of Test Host is connected the screen layer of the 2M line other end.
Turn on the power switch, if this moment, the 2M line was normal, then the heart yearn path should be communicated with, the screen layer path should be communicated with, and should not be communicated with between heart yearn and the screen layer, can learn by circuit diagram shown in Figure 1, show that pilot lamp L0 and L3 that heart yearn is communicated with should glimmer, show that pilot lamp L1 and L4 that screen layer is communicated with should glimmer, and show heart yearn and the disconnected pilot lamp L2 of screen layer and L5 flicker.
If be short-circuited between the heart yearn of 2M line and the screen layer, but heart yearn and screen layer all are communicated with, then this moment, short circuit pilot lamp L2 and L5 will go out, and showed that pilot lamp L0 and L3 that heart yearn is communicated with normally glimmer, and showed pilot lamp L1 and also normally flicker of L4 that screen layer is communicated with.
If break down in the heart yearn two ends of 2M line, the screen layer path is normal, shows that then pilot lamp L0 and L3 that heart yearn is communicated with go out, and short circuit pilot lamp L2 and L5 go out, and shows pilot lamp L1 and L4 flicker that screen layer is communicated with.
If break down in the screen layer two ends of 2M line, the heart yearn path is normal, shows that then pilot lamp L1 and L4 that screen layer is communicated with go out, and short circuit pilot lamp L2 and L5 go out, and shows pilot lamp L0 and L3 flicker that heart yearn is communicated with.
The 2M line on off test instrument of the utility model embodiment utilizes very simple diode circuit just can realize test to 2M line break-make, simple in structure and convenient test.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. a 2M line on off test instrument is characterized in that, described tester comprises Test Host and test slave, and described Test Host is connected to 2M line one end, and described test slave is connected to the other end of described 2M line;
Described Test Host comprises main frame heart yearn pin and main frame screen layer pin, be connected to respectively heart yearn and the screen layer of described 2M line one end, described test slave comprises slave heart yearn pin and slave screen layer pin, is connected to respectively heart yearn and the screen layer of the described 2M line other end; When test, form respectively heart yearn test access and screen layer test access;
Described Test Host comprises main frame heart yearn pilot lamp, and described test slave comprises slave heart yearn pilot lamp, and described main frame heart yearn pilot lamp and slave heart yearn pilot lamp are arranged in described heart yearn test access, are used to indicate the break-make situation of described heart yearn test access;
Described Test Host comprises main frame shielding line pilot lamp, described test slave comprises slave shielding line pilot lamp, described main frame shielding line pilot lamp and slave shielding line pilot lamp are arranged in described shielding line test access, are used to indicate the break-make situation of described shielding line test access;
Described Test Host comprises main frame short circuit pilot lamp, described test slave comprises slave short circuit pilot lamp, described main frame short circuit pilot lamp and slave short circuit pilot lamp are used to indicate the short-circuit conditions of described heart yearn and screen layer between described heart yearn test access and screen layer test access.
2. 2M line on off test instrument according to claim 1 is characterized in that described all pilot lamp are comprised of light emitting diode.
3. 2M line on off test instrument according to claim 1 is characterized in that, described Test Host connects power supply, and between described power supply and the described Test Host protective resistance is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220490195 CN202815140U (en) | 2012-09-24 | 2012-09-24 | 2M line on-off tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220490195 CN202815140U (en) | 2012-09-24 | 2012-09-24 | 2M line on-off tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202815140U true CN202815140U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220490195 Expired - Fee Related CN202815140U (en) | 2012-09-24 | 2012-09-24 | 2M line on-off tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202815140U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293434A (en) * | 2013-05-27 | 2013-09-11 | 国家电网公司 | Automatic loopback test set for 2M cables |
| CN103344867A (en) * | 2013-05-31 | 2013-10-09 | 国家电网公司 | 2M wire terminal welding on-line testing device |
| CN105842578A (en) * | 2016-05-13 | 2016-08-10 | 国网山东省电力公司莱州市供电公司 | Indicator capable of rapidly determining coaxial cable BNC radio frequency head fault types |
| CN106921409A (en) * | 2017-03-29 | 2017-07-04 | 国网新疆电力公司巴州供电公司 | Multifunctional line measurement device |
| CN112557964A (en) * | 2020-12-02 | 2021-03-26 | 中国南方电网有限责任公司超高压输电公司梧州局 | Portable 2M line detection device |
-
2012
- 2012-09-24 CN CN 201220490195 patent/CN202815140U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293434A (en) * | 2013-05-27 | 2013-09-11 | 国家电网公司 | Automatic loopback test set for 2M cables |
| CN103293434B (en) * | 2013-05-27 | 2015-06-24 | 国家电网公司 | Automatic loopback test set for 2M cables |
| CN103344867A (en) * | 2013-05-31 | 2013-10-09 | 国家电网公司 | 2M wire terminal welding on-line testing device |
| CN103344867B (en) * | 2013-05-31 | 2016-05-11 | 国家电网公司 | 2M wire terminal welding online testing device |
| CN105842578A (en) * | 2016-05-13 | 2016-08-10 | 国网山东省电力公司莱州市供电公司 | Indicator capable of rapidly determining coaxial cable BNC radio frequency head fault types |
| CN106921409A (en) * | 2017-03-29 | 2017-07-04 | 国网新疆电力公司巴州供电公司 | Multifunctional line measurement device |
| CN106921409B (en) * | 2017-03-29 | 2023-10-03 | 国网新疆电力公司巴州供电公司 | Multifunctional wire measuring device |
| CN112557964A (en) * | 2020-12-02 | 2021-03-26 | 中国南方电网有限责任公司超高压输电公司梧州局 | Portable 2M line detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20190924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |