CN105445605A - Wire tester and wire test method thereof - Google Patents
Wire tester and wire test method thereof Download PDFInfo
- Publication number
- CN105445605A CN105445605A CN201510771904.9A CN201510771904A CN105445605A CN 105445605 A CN105445605 A CN 105445605A CN 201510771904 A CN201510771904 A CN 201510771904A CN 105445605 A CN105445605 A CN 105445605A
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- China
- Prior art keywords
- probe
- electric wire
- test device
- power supply
- core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
- G01R31/60—Identification of wires in a multicore cable
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
A wire tester is used for testing a cable core in a transformer substation and determining the number of the core. The wire tester comprises a shell, a power supply, a first probe, a second probe, a buzzer and an indicator lamp. The shell is provided with a through hole in the side wall. The power supply is arranged inside the shell, and includes a positive electrode and a negative electrode. The first probe and the second probe are arranged outside the shell. The first probe passes through the shell to be electrically connected with the positive electrode of the power supply, and the second probe passes through the shell to be electrically connected with the negative electrode of the power supply. The buzzer is connected in series between the first or second probe and the power supply and arranged inside the shell, and the buzzer makes a sound via the through hole. The indicator lamp is connected in parallel with the buzzer, connected in series between the first or second probe and the power supply and arranged inside the shell, and part of the indicator lamp is exposed out of the shell via the through hole. The wire tester is simple to operate and easy to carry. The accuracy of wiring is improved, and the time for line checking is shortened.
Description
Technical field
The present invention relates to the field tests of cable core, be specifically related to a kind of electric wire test device and survey line method thereof.
Background technology
In recent years, along with the development of power grid construction, Novel intelligent substation puts into operation and old transformer station upgrading task increases year by year; In construction of transformer substation process, need to lay a large amount of secondary cable, for ensureing the normal operation of the correct and equipment of the secondary connection of transformer station, now many employings manually distinguish the method for cable core number, and not only workload is large, and efficiency is low, and easily make mistakes, greatly improve the risk of wiring error;
In addition, old transformer station, due to long operational time, often there will be core core number smudgy, is difficult to the situation of identification; And during to the circuit looking up the fault point connected, because exposed core is shorter, be difficult to search core number, add maintenance difficulty.
Summary of the invention
In order to solve the problem, first embodiment in the present invention is: provide a kind of electric wire test device, for testing cable core in transformer station, and determines the core number of core, it is characterized in that, comprising: housing, power supply, the first probe, the second probe, hummer and pilot lamp;
Described housing sidewall is provided with through hole;
Described power supply is arranged in described housing, comprises positive pole and negative pole;
Described first probe and described second probe are all located at outside described housing; Described first probe is electrically connected through the positive pole of described housing and described power supply; Described second probe is electrically connected through the negative pole of described housing and described power supply;
Described hummer is series at described first probe or between described second probe and described power supply, and is arranged in described housing, and described hummer is sounded by described through hole;
Described pilot lamp is in parallel with described hummer, is series at described first probe or between described second probe and described power supply simultaneously, and is arranged in described housing, and the part of described pilot lamp is exposed to outside described housing by described through hole.
Further, described first probe is all connected with described power supply by wire with described second probe.
Further, be also provided with circuit board in described housing, described first probe is all connected with described power supply by described circuit board with described second probe.
Further, described first probe is all connected with described circuit board by wire with described second probe.
Further, the inwall of described housing is provided with power supply draw-in groove, pilot lamp draw-in groove and hummer draw-in groove, and described pilot lamp draw-in groove and described hummer draw-in groove are parallel to each other and the same side being arranged on described power supply draw-in groove at interval;
Described power supply is located in described power supply draw-in groove, is fixed by described power supply draw-in groove and described housing;
Described hummer is located in described hummer draw-in groove, is fixed by described hummer draw-in groove and described housing;
Described pilot lamp is located in described pilot lamp draw-in groove, is fixed by described pilot lamp draw-in groove and described housing.
Further, described pilot lamp is LED.
Further, described power supply is dry cell or button cell.
Further, described housing is isolation material.
The second embodiment in the present invention is, provide a kind of survey line method, comprise electric wire test device described above, described electric wire test device is located at one end of cable under test;
Determine concentric line or the gauze screen of cable under test;
The one end with described concentric line or gauze screen of the first probe on described electric wire test device is connected, the second probe on described electric wire test device is connected with the core A of cable under test;
The other end of described concentric line or gauze screen is connected a wire, described wire is connected with certain the root core on cable under test;
If the core that described wire connects is core A, then the pilot lamp on described electric wire test device is bright, hummer rings;
Otherwise, then move described wire, be connected with other cores on cable under test, until to finding core A;
Then be numbered respectively at the two ends of core A, and carry out the test of other cores in the same way.
The third embodiment in the present invention is: provide a kind of survey line method, comprise above-mentioned electric wire test device two, two electric wire test devices are respectively the first electric wire test device and the second electric wire test device, and described first electric wire test device and described second electric wire test device are located at the two ends of cable under test respectively, and electrode is arranged on the contrary;
Determine concentric line or the gauze screen of cable under test;
The one end with described concentric line or gauze screen of the first probe on first electric wire test device is connected, the second probe on the first electric wire test device is connected with the core A of cable under test;
The other end of the second probe on second electric wire test device with described concentric line or gauze screen is connected, the first probe on the second electric wire test device is connected with certain the root core on cable under test;
If the core that described second electric wire test device connects is core A, then the pilot lamp on described first electric wire test device and described second electric wire test device is bright, hummer rings;
Otherwise, then move the first probe on described second electric wire test device, be connected with other cores on cable under test, until to finding core A;
Then be numbered respectively at the two ends of core A, and carry out the test of other cores in the same way.
A kind of electric wire test device provided by the invention and survey line method thereof, structure is simple, and cost is low, convenient to use, improves the wiring accuracy rate of secondary cable core in transformer station number, shortens the time of line verification simultaneously.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of a kind of electric wire test device provided by the invention;
Fig. 2 is the housing interior structure schematic diagram of a kind of electric wire test device provided by the invention.
Embodiment
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and to be shown in be use when explain in essence, and be not used to limit the present invention.
As shown in Figure 1, be the first embodiment in the present invention, a kind of electric wire test device is provided, for testing cable core in transformer station, and determining the core number of core, comprising: housing 1, power supply 2, first probe 3, second probe 4, hummer 5 and pilot lamp 6;
The rectangular configuration that housing 1 is made for isolation material or cylindrical structure, can be one-body moldedly also can comprise top shell and drain pan, top shell and drain pan fastening by mode that is hinged or clamping, the external structure of this housing is not limited at this, the weight of housing 1 is about 100 grams, cost is about 20 yuan, has volume little, the advantage that easy to carry, cost is low;
The sidewall of housing 1 is provided with through hole 11; As shown in Figure 2, the drain pan of housing 1 is also provided with power supply draw-in groove 12, pilot lamp draw-in groove 14 and hummer draw-in groove 13, pilot lamp draw-in groove 14 and hummer draw-in groove 13 are parallel to each other and the same side being arranged on power supply draw-in groove 12 at interval;
Power supply 2 is arranged in housing 1, is specifically located in power supply draw-in groove 12, is fixed by power supply draw-in groove 12 and housing 1; Power supply 2 can be dry cell or button cell, comprises positive pole and negative pole, adopts dry cell or button cell as power supply, facilitate the replacing in later stage, and cost is low, durable;
First probe 3 and the second probe 4 are all located at outside housing 1; One end of first probe 3 is electrically connected through the positive pole of housing 1 with power supply 2, and the other end of the first probe 3 is connected with cable core; One end of second probe 4 is electrically connected through the negative pole of housing 1 with power supply 2, and the other end of the second probe 4 is connected with cable core;
In the present embodiment, be also provided with circuit board (not drawing in figure) in housing 1, the first probe 3 is connected with circuit board by wire with the second probe 4, is then connected with power supply 2 by circuit board; Or the first probe 3 is directly connected with power supply by wire with the second probe 4, this is not limited at this;
Hummer 5 is series at the first probe 3 or between the second probe 4 and power supply 2, and is arranged in housing 1, and specifically, hummer 5 is located in hummer draw-in groove 13, is fixed by hummer draw-in groove 13 and housing 1; And sounded by through hole 11;
Pilot lamp 6 is in parallel with hummer 5, be series at the first probe 3 or between the second probe 4 and power supply 2 simultaneously, and be arranged in housing 1, specifically, pilot lamp 6 is LED, can certainly be other pilot lamp, do not limit at this, pilot lamp 6 is located in pilot lamp draw-in groove 14, fixed, and the part of pilot lamp 6 is exposed to outside housing 1 by through hole 11 by pilot lamp draw-in groove 14 and housing 1.
The second embodiment in the present invention, provides a kind of survey line method, comprises above-mentioned electric wire test device one, is located at one end of cable under test;
Then wherein a people is positioned at one end of cable under test, then determines concentric line or the gauze screen of cable under test; Concentric line can be from cable under test, looks for the core of one obvious " from from different " (such as only having one or two to be that redness or wire size are more clearly), as concentric line;
Again the first probe on electric wire test device is connected with one end of concentric line or gauze screen, the second probe on electric wire test device is connected with the core A of cable under test;
Another people finds the other end of this concentric line or gauze screen at the other end of cable under test, and is connected a wire with it;
Certain root core on this wire and cable under test is carried out connecting test;
If the core that this wire connects is core A, then the pilot lamp on this line device is bright, hummer rings;
Otherwise then this wire mobile, is connected with other cores on cable under test, until find core A;
Finally, treat that the staff at two ends, side is determined by interchange, be numbered respectively at the two ends of core A, and carry out the test of other cores in the same way.
The 3rd embodiment in the present invention, a kind of survey line method is provided, compared with the second embodiment, its difference part is: comprise above-mentioned electric wire test device two, two electric wire test devices are respectively the first electric wire test device and the second electric wire test device, first electric wire test device and the second electric wire test device are located at the two ends of cable under test respectively, and electrode is arranged on the contrary;
Wherein a people is positioned at one end of cable under test, then determines concentric line or the gauze screen of cable under test; Concentric line can be from cable under test, looks for the core of one obvious " from from different " (such as only having one or two to be that redness or wire size are more clearly), as concentric line;
Then the first probe on the first electric wire test device is connected with one end of concentric line or gauze screen, the second probe on the first electric wire test device is connected with the core A of cable under test;
Another people, at the other end of cable under test, finds the other end of this concentric line or gauze screen;
Then the end points place of the second probe on the second electric wire test device with concentric line or gauze screen is connected, the first probe on the second electric wire test device is connected with certain the root core on cable under test;
If the core that the second electric wire test device connects is core A, then the pilot lamp on the first electric wire test device and the second electric wire test device is bright, hummer rings;
Otherwise the first probe then on mobile second electric wire test device, is connected with other cores on cable under test, until to finding core A;
Finally, determined by interchange the staff at cable under test two ends, be numbered respectively at the two ends of core A, and carry out the test of other cores in the same way.
A kind of electric wire test device provided by the invention and survey line method thereof, have structure simple, cost is low, advantage convenient to use, improves the wiring accuracy rate of secondary cable core in transformer station number, shortens the time of line verification simultaneously.
Embodiment above describes the present invention, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Spirit or the essence of invention is not departed from because the present invention can specifically implement in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (10)
1. an electric wire test device, for testing cable core in transformer station, and determining the core number of core, it is characterized in that, comprise: housing, power supply, the first probe, the second probe, hummer and pilot lamp;
Described housing sidewall is provided with through hole;
Described power supply is arranged in described housing, comprises positive pole and negative pole;
Described first probe and described second probe are all located at outside described housing; Described first probe is electrically connected through the positive pole of described housing and described power supply; Described second probe is electrically connected through the negative pole of described housing and described power supply;
Described hummer is series at described first probe or between described second probe and described power supply, and is arranged in described housing, and described hummer is sounded by described through hole;
Described pilot lamp is in parallel with described hummer, is series at described first probe or between described second probe and described power supply simultaneously, and is arranged in described housing, and the part of described pilot lamp is exposed to outside described housing by described through hole.
2. electric wire test device as claimed in claim 1, it is characterized in that, described first probe is all connected with described power supply by wire with described second probe.
3. electric wire test device as claimed in claim 1, it is characterized in that, be also provided with circuit board in described housing, described first probe is all connected with described power supply by described circuit board with described second probe.
4. electric wire test device as claimed in claim 3, it is characterized in that, described first probe is all connected with described circuit board by wire with described second probe.
5. electric wire test device as claimed in claim 1, it is characterized in that, the inwall of described housing is provided with power supply draw-in groove, pilot lamp draw-in groove and hummer draw-in groove, and described pilot lamp draw-in groove and described hummer draw-in groove are parallel to each other and the same side being arranged on described power supply draw-in groove at interval;
Described power supply is located in described power supply draw-in groove, is fixed by described power supply draw-in groove and described housing;
Described hummer is located in described hummer draw-in groove, is fixed by described hummer draw-in groove and described housing;
Described pilot lamp is located in described pilot lamp draw-in groove, is fixed by described pilot lamp draw-in groove and described housing.
6. electric wire test device as claimed in claim 1, it is characterized in that, described pilot lamp is LED.
7. electric wire test device as claimed in claim 1, it is characterized in that, described power supply is dry cell or button cell.
8. electric wire test device as claimed in claim 1, it is characterized in that, described housing is isolation material.
9. a survey line method, is characterized in that: comprise as arbitrary in claim 1-8 as described in electric wire test device, described electric wire test device is located at one end of cable under test;
Determine concentric line or the gauze screen of cable under test;
The one end with described concentric line or gauze screen of the first probe on described electric wire test device is connected, the second probe on described electric wire test device is connected with the core A of cable under test;
The other end of described concentric line or gauze screen is connected a wire, described wire is connected with certain the root core on cable under test;
If the core that described wire connects is core A, then the pilot lamp on described electric wire test device is bright, hummer rings;
Otherwise, then move described wire, be connected with other cores on cable under test, until to finding core A;
Then be numbered respectively at the two ends of core A, and carry out the test of other cores in the same way.
10. a survey line method, it is characterized in that: comprise as arbitrary in claim 1-8 as described in electric wire test device, described electric wire test device has two, two electric wire test devices are respectively the first electric wire test device and the second electric wire test device, described first electric wire test device and described second electric wire test device are located at the two ends of cable under test respectively, and electrode is arranged on the contrary;
Determine concentric line or the gauze screen of cable under test;
The one end with described concentric line or gauze screen of the first probe on first electric wire test device is connected, the second probe on the first electric wire test device is connected with the core A of cable under test;
The other end of the second probe on second electric wire test device with described concentric line or gauze screen is connected, the first probe on the second electric wire test device is connected with certain the root core on cable under test;
If the core that described second electric wire test device connects is core A, then the pilot lamp on described first electric wire test device and described second electric wire test device is bright, hummer rings;
Otherwise, then move the first probe on described second electric wire test device, be connected with other cores on cable under test, until to finding core A;
Then be numbered respectively at the two ends of core A, and carry out the test of other cores in the same way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771904.9A CN105445605A (en) | 2015-11-12 | 2015-11-12 | Wire tester and wire test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771904.9A CN105445605A (en) | 2015-11-12 | 2015-11-12 | Wire tester and wire test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105445605A true CN105445605A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510771904.9A Pending CN105445605A (en) | 2015-11-12 | 2015-11-12 | Wire tester and wire test method thereof |
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| CN (1) | CN105445605A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771800A (en) * | 2016-11-23 | 2017-05-31 | 国家电网公司 | A kind of common core cable detection means |
| CN109444646A (en) * | 2018-12-24 | 2019-03-08 | 安徽省大富光电科技有限公司 | A kind of Multifunctional hand-held short circuit inspection device |
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| US4947546A (en) * | 1989-03-28 | 1990-08-14 | Amp Incorporated | Method of making a cable assembly |
| CN201583617U (en) * | 2009-12-08 | 2010-09-15 | 河南省电力公司安阳供电公司 | Line aligning device |
| CN102650670A (en) * | 2012-04-29 | 2012-08-29 | 沧州供电公司 | Multi-channel cable aligner |
| CN202533541U (en) * | 2012-03-22 | 2012-11-14 | 宝山钢铁股份有限公司 | Cable core electrical measurement verifying device |
| CN202794423U (en) * | 2012-09-10 | 2013-03-13 | 昆明理工大学 | Simple wire on-off detection device |
| CN203069714U (en) * | 2012-11-30 | 2013-07-17 | 国家电网公司 | Special tool for secondary cable alignment |
| CN103760457A (en) * | 2014-01-27 | 2014-04-30 | 中铁建电气化局集团南方工程有限公司 | Cable checking circuit structure and common-line-free cable checking method |
| CN103852673A (en) * | 2012-11-30 | 2014-06-11 | 国家电网公司 | Special tool for secondary cable alignment |
| CN204613343U (en) * | 2015-05-04 | 2015-09-02 | 国网山东夏津县供电公司 | The quick buzzerphone of control cables |
| CN205450133U (en) * | 2015-11-12 | 2016-08-10 | 国家电网公司 | Wire tester |
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2015
- 2015-11-12 CN CN201510771904.9A patent/CN105445605A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4947546A (en) * | 1989-03-28 | 1990-08-14 | Amp Incorporated | Method of making a cable assembly |
| CN201583617U (en) * | 2009-12-08 | 2010-09-15 | 河南省电力公司安阳供电公司 | Line aligning device |
| CN202533541U (en) * | 2012-03-22 | 2012-11-14 | 宝山钢铁股份有限公司 | Cable core electrical measurement verifying device |
| CN102650670A (en) * | 2012-04-29 | 2012-08-29 | 沧州供电公司 | Multi-channel cable aligner |
| CN202794423U (en) * | 2012-09-10 | 2013-03-13 | 昆明理工大学 | Simple wire on-off detection device |
| CN203069714U (en) * | 2012-11-30 | 2013-07-17 | 国家电网公司 | Special tool for secondary cable alignment |
| CN103852673A (en) * | 2012-11-30 | 2014-06-11 | 国家电网公司 | Special tool for secondary cable alignment |
| CN103760457A (en) * | 2014-01-27 | 2014-04-30 | 中铁建电气化局集团南方工程有限公司 | Cable checking circuit structure and common-line-free cable checking method |
| CN204613343U (en) * | 2015-05-04 | 2015-09-02 | 国网山东夏津县供电公司 | The quick buzzerphone of control cables |
| CN205450133U (en) * | 2015-11-12 | 2016-08-10 | 国家电网公司 | Wire tester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771800A (en) * | 2016-11-23 | 2017-05-31 | 国家电网公司 | A kind of common core cable detection means |
| CN109444646A (en) * | 2018-12-24 | 2019-03-08 | 安徽省大富光电科技有限公司 | A kind of Multifunctional hand-held short circuit inspection device |
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Application publication date: 20160330 |