CN203720292U - A multi-core cable breakpoint detector - Google Patents
A multi-core cable breakpoint detector Download PDFInfo
- Publication number
- CN203720292U CN203720292U CN201320866903.9U CN201320866903U CN203720292U CN 203720292 U CN203720292 U CN 203720292U CN 201320866903 U CN201320866903 U CN 201320866903U CN 203720292 U CN203720292 U CN 203720292U
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- CN
- China
- Prior art keywords
- induced voltage
- amplifying circuit
- breakpoint
- polycore cable
- core cable
- Prior art date
- 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.)
- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 abstract description 6
- 230000003321 amplification Effects 0.000 abstract 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- Locating Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a multi-core cable breakpoint detector comprising an electric inductor used for detecting an induced voltage, a comparison amplification circuit used for amplifying the induced voltage and an indication apparatus used for indicating the induced voltage. The inductor is in electric connection with the comparison amplification circuit. The comparison amplification circuit is in electric connection with the indicating apparatus. According to the multi-core cable breakpoint detector of the utility model, the induced voltage is detected through the inductor, and the comparison amplification circuit is used to amplify the induced voltage; in usage, a wire where a breakpoint exists in a multi-core cable is firstly found through the utilization of a universal meter; and then one end of the wire is connected to an alternating current power supply; the inductor is made to sleeve the multi-core cable; mobile detection of the induced voltage is detected from the one end which is connected to the alternating current power supply; through the utilization of a principle that the induced voltage existents at one of the two ends of the breakpoint and does not exit at the other end of the two ends of the breakpoint, the breakpoint position can be rapidly, conveniently and accurately searched and found; the usage is convenient; and the detection process will not cause damages to the multi-core cable.
Description
Technical field
The utility model belongs to the sniffer technical field of electric fault, is specifically related to a kind of polycore cable breaking point detection device.
Background technology
In actual use, because polycore cable inside occurs that breakpoint is difficult to be difficult to judge breakpoint location place from outward appearance, exist and search the difficulty that breakpoint is wasted time and energy.In order to determine breakpoint location, existing method generally need to be destroyed insulation course and the protective seam of cable and can accurately search.So, even if find out after breakpoint Power resumption, also can have influence on the usability of cable.And in the time that cable is longer, adopt the more difficult breakpoint location of searching of existing breakpoint lookup method, even if adopt segmentation inspection also can waste plenty of time and manpower.And if also there is time-consuming and waste problem in the cable more renewing.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of polycore cable breaking point detection device, this polycore cable breaking point detection device not only can be found out the breakpoint place of polycore cable easily and fast, exactly, and very little to the damage of cable, does not substantially affect the follow-up usability of cable.
For achieving the above object, the utility model provides following technical scheme:
A kind of polycore cable breaking point detection device, comprise for detection of the inductance of induced voltage, for the comparison amplifying circuit that induced voltage is amplified and the indicating device that is used to indicate induced voltage, described inductance is electrically connected with described relatively amplifying circuit, and described relatively amplifying circuit is electrically connected with described indicating device.
Further, described indicating device is and described pilot lamp and/or voice guard and/or voltage display that relatively amplifying circuit is electrically connected.
Further, described indicating device comprises controller and is electrically connected and is used to indicate the existence whether indicator of induced voltage with described controller, described controller is electrically connected with described relatively amplifying circuit, and the reception of described controller is compared the electric signal of amplifying circuit and sends steering order to described indicator from described.
Further, described indicator is pilot lamp and/or voice guard and display.
Further, described inductance and described comparison between amplifying circuit are provided with holding circuit.
The beneficial effects of the utility model are:
Polycore cable breaking point detection device of the present utility model, by inductance detection induced voltage, and utilize relatively amplifying circuit that induced voltage is amplified, when use, first find out with multimeter that single line that has breakpoint in polycore cable, then wherein one end of this root line is connected to AC power, inductance is enclosed within on polycore cable, polycore cable breaking point detection device of the present utility model is started to the mobile induced voltage that detects from being connected to one end of AC power, and utilize existence that indicating device shows induced voltage whether, and utilize the principle that has respectively and do not exist induced voltage at breakpoint two ends, can be quick, facilitate and exactly the breakpoint location of polycore cable found out, easy to use, and testing process can not cause damage to polycore cable.
Brief description of the drawings
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the structural representation with the polycore cable of breakpoint;
Fig. 2 is the structural representation of the utility model polycore cable breaking point detection device the first embodiment;
Fig. 3 is the theory diagram of the utility model polycore cable breaking point detection device the second embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
the first embodiment
As shown in Figure 2, be the structural representation of the utility model polycore cable breaking point detection device the first embodiment.The polycore cable breaking point detection device of the present embodiment, comprise for detection of the inductance 1 of induced voltage, for the comparison amplifying circuit 2 that induced voltage is amplified and the indicating device 3 that is used to indicate induced voltage, inductance 1 is electrically connected with comparing amplifying circuit 2, and relatively amplifying circuit 2 is electrically connected with indicating device 3.Indicating device 3 is and relatively amplifying circuit 2 is electrically connected pilot lamp and/or voice guard and/or the voltage display of the present embodiment, concrete, the indicating device employing of the present embodiment and the pilot lamp that relatively amplifying circuit 2 is electrically connected.In the time that inductance 1 detects induced voltage, pilot lamp is lighted, and when inductance 1 is when induced voltage detected, pilot lamp extinguishes.Preferably, between the inductance 1 of the present embodiment and comparison amplifying circuit 2, be provided with holding circuit 4.
The polycore cable breaking point detection device of the present embodiment, detects induced voltage by inductance 1, and utilizes relatively amplifying circuit 2 that induced voltage is amplified.When use, first find out with multimeter that single line that has breakpoint in polycore cable, as shown in Figure 1, then AC power in the A termination of this root line, inductance 1 is enclosed within on polycore cable, utilize the polycore cable breaking point detection device of the present embodiment to start the mobile induced voltage that detects from being connected to the A end of AC power, and utilize existence that indicating device 3 shows induced voltage whether, and utilize the principle that has respectively and do not exist induced voltage at breakpoint two ends, be that AC section exists induced voltage, there is not induced voltage in CB section, can be quick, facilitate and exactly the breakpoint location C of polycore cable found out, easy to use, and testing process can not cause damage to polycore cable.
the second embodiment
As shown in Figure 3, be the theory diagram of the utility model polycore cable breaking point detection device the second embodiment.The polycore cable breaking point detection device of the present embodiment, comprise for detection of the inductance 1 of induced voltage, for the comparison amplifying circuit 2 that induced voltage is amplified and the indicating device 3 that is used to indicate induced voltage, inductance 1 is electrically connected with comparing amplifying circuit 2, and relatively amplifying circuit 2 is electrically connected with indicating device 3.The indicator that the indicating device of the present embodiment comprises controller 5 and is electrically connected with controller 5, controller 5 is electrically connected with amplifying circuit 2 relatively, and controller 5 receives from the described relatively electric signal of amplifying circuit 2 and sends steering order to indicator.The indicator of the present embodiment is pilot lamp and/or voice guard and display, concrete employing pilot lamp 6 and display 7, in the time that controller receives the electric signal of comparison amplifying circuit 2, pilot lamp 6 is opened, display 7 shows inductive voltage value, in the time that controller does not receive the electric signal of comparison amplifying circuit 2, pilot lamp 6 extinguishes, and display 7 shows that inductive voltage value is zero.Preferably, between inductance 1 and comparison amplifying circuit 2, be provided with holding circuit 4.
The polycore cable breaking point detection device of the present embodiment, detects induced voltage by inductance 1, and utilizes relatively amplifying circuit 2 that induced voltage is amplified.When use, first find out with multimeter that single line that has breakpoint in polycore cable, as shown in Figure 1, then AC power in the A termination of this root line, inductance 1 is enclosed within on polycore cable, utilize the polycore cable breaking point detection device of the present embodiment to start the mobile induced voltage that detects from being connected to the A end of AC power, and utilize existence that indicating device 3 shows induced voltage whether, and utilize the principle that has respectively and do not exist induced voltage at breakpoint two ends, be that AC section exists induced voltage, there is not induced voltage in CB section, can be quick, facilitate and exactly the breakpoint location C of polycore cable found out, easy to use, and testing process can not cause damage to polycore cable.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims limited range.
Claims (5)
1. a polycore cable breaking point detection device, it is characterized in that: comprise for detection of the inductance of induced voltage, for the comparison amplifying circuit that induced voltage is amplified and the indicating device that is used to indicate induced voltage, described inductance is electrically connected with described relatively amplifying circuit, and described relatively amplifying circuit is electrically connected with described indicating device.
2. polycore cable breaking point detection device according to claim 1, is characterized in that: described indicating device is and described pilot lamp and/or voice guard and/or voltage display that relatively amplifying circuit is electrically connected.
3. polycore cable breaking point detection device according to claim 1, it is characterized in that: described indicating device comprises controller and is electrically connected and is used to indicate the existence whether indicator of induced voltage with described controller, described controller is electrically connected with described relatively amplifying circuit, and the reception of described controller is compared the electric signal of amplifying circuit and sends steering order to described indicator from described.
4. polycore cable breaking point detection device according to claim 3, is characterized in that: described indicator is pilot lamp and/or voice guard and display.
5. according to the polycore cable breaking point detection device described in claim 1-4 any one, it is characterized in that: described inductance and described comparison between amplifying circuit are provided with holding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866903.9U CN203720292U (en) | 2013-12-26 | 2013-12-26 | A multi-core cable breakpoint detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866903.9U CN203720292U (en) | 2013-12-26 | 2013-12-26 | A multi-core cable breakpoint detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720292U true CN203720292U (en) | 2014-07-16 |
Family
ID=51159433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320866903.9U Expired - Lifetime CN203720292U (en) | 2013-12-26 | 2013-12-26 | A multi-core cable breakpoint detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490693A (en) * | 2018-11-29 | 2019-03-19 | 威创集团股份有限公司 | A kind of breakpoint detection device for alternating current circuit |
-
2013
- 2013-12-26 CN CN201320866903.9U patent/CN203720292U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490693A (en) * | 2018-11-29 | 2019-03-19 | 威创集团股份有限公司 | A kind of breakpoint detection device for alternating current circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201228 Address after: 401326 Chongqing Jiulongpo District West Industrial Park Patentee after: CHINALCO-SWA PLATES & STRIPS Co.,Ltd. Address before: 401326 No.68, aluminum City Avenue, Xipeng Town, Jiulongpo District, Chongqing Patentee before: CHINALCO-SWA COLD ROLLING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |