CN108107323A - Threephase cable axis open circuit fault detector - Google Patents
Threephase cable axis open circuit fault detector Download PDFInfo
- Publication number
- CN108107323A CN108107323A CN201711384419.1A CN201711384419A CN108107323A CN 108107323 A CN108107323 A CN 108107323A CN 201711384419 A CN201711384419 A CN 201711384419A CN 108107323 A CN108107323 A CN 108107323A
- Authority
- CN
- China
- Prior art keywords
- indicator light
- threephase cable
- way switch
- open circuit
- pin
- 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.)
- Pending
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
Abstract
This application provides a kind of threephase cable axis open circuit fault detector, including power switch, DC voltage-stabilizing module, the first indicator light, the second indicator light, the 3rd indicator light, the first single-way switch, the second single-way switch, the 3rd single-way switch and four core sockets.It turns on the power switch, accesses threephase cable to be measured, open the first single-way switch, the first indicator light is bright at this time, and display detection threephase cable A phases core conducting, if the first indicator light does not work, display detection threephase cable A phase cores have open circuit；Similarly, the second indicator light detects the break-make situation of display detection threephase cable B phase cores with the second single-way switch, and the 3rd indicator light detects the break-make situation of display detection threephase cable C phase cores with the 3rd single-way switch.The application solves the problems, such as that existence conditions is difficult which root core generation open circuit quick and precisely judgement is in face of threephase cable failure.
Description
Technical field
The invention belongs to cable detection apparatus field more particularly to a kind of threephase cable axis open circuit fault detectors.
Background technology
In existing electrical communications, threephase cable is using cable most, widest in area.Threephase cable is that circuit passes
Defeated backbone once open circuit fault occurs, nearly all may require that urgent investigation is repaired.
But existence conditions is difficult quick and precisely to judge it is that open circuit occurs for which root core in face of threephase cable failure.In reality
, it is necessary to which two people's cooperations repeatedly can just determine the core to break down with using universal meter test in operation, lose time also
There is very big security risk.Often when the urgent open circuit of generation, testing conditions are severe, directly entire cable can be replaced
It changes, causes the waste of material and the increase of related personnel's workload.
The content of the invention
In view of this, the present invention provides a kind of threephase cable axis open circuit fault detector, to solve existence conditions in face of three
Phase cable fault is difficult quick and precisely to judge it is the problem of open circuit occurs for which root core.
The embodiment of the present invention provides a kind of threephase cable axis open circuit fault detector, including power switch, DC voltage-stabilizing mould
Block, the first indicator light, the second indicator light, the 3rd indicator light, the first single-way switch, the second single-way switch, the 3rd single-way switch and
Four core sockets；
The power switch is arranged between external power supply and the DC voltage-stabilizing module, and the positve term of the DC voltage-stabilizing module is defeated
Outlet respectively with one end of first single-way switch, one end of second single-way switch and the 3rd single-way switch one
End connection, the other end of first single-way switch are connected with one end of first indicator light, and second single-way switch is another
One end is connected with one end of second indicator light, and one end of the 3rd single-way switch other end and the 3rd indicator light connects
It connects, the other end of first indicator light is connected with the first pin of the four cores socket, the other end of second indicator light
It is connected with the second pin of the four cores socket, the other end of the 3rd indicator light connects with the 3rd pin of the four cores socket
It connects, the negative term output terminal of the DC voltage-stabilizing module is connected with the 4th pin of the four cores socket, and first pin is with treating
The connection of threephase cable A phases core is detected, the second pin is connected with threephase cable B phase cores to be detected, the 3rd pin
It is connected with threephase cable C phase cores to be detected, wire core is connected the 4th pin with threephase cable to be detected；
The power switch is opened, accesses threephase cable to be measured, opens first single-way switch, the first indicator light is bright at this time,
It shows the detection threephase cable A phases core conducting, if the first indicator light does not work, shows the detection threephase cable A phase cores
There is open circuit；Similarly, second indicator light and second single-way switch detection display detection threephase cable B phase cores
Break-make situation, the 3rd indicator light are logical with the 3rd single-way switch detection display detection threephase cable C phase cores
Disconnected situation.
Further, the threephase cable axis open circuit fault detector, which further includes, is arranged on the power switch and external electricity
Attaching plug between source.
Further, the external power supply be alternating current 220V power supply, the input terminal input AC of the DC voltage-stabilizing module
220V voltages, the output terminal output direct current 24V voltages of the DC voltage-stabilizing module.
Further, the threephase cable axis open circuit fault detector, which further includes, is being arranged on the DC voltage-stabilizing module just
The 4th indicator light between output terminal and the negative sense output terminal of the DC voltage-stabilizing module.
Further, the threephase cable axis open circuit fault detector further includes the first diode, the second diode and
Three diodes, the first pin of the four cores socket connect the anode of the first diode, and the second pin of the four cores socket connects
The anode of the second diode is connect, the 3rd pin of the four cores socket connects the anode of the 3rd diode, first diode
Cathode, the cathode of second diode and cathode the 4th pin with the four cores socket respectively of the 3rd diode
Connection.
Further, the four cores socket is T4-16A sockets.
Further, the threephase cable axis open circuit fault detector further includes control panel, the power switch, described
It is first indicator light, second indicator light, the 3rd indicator light, the 4th indicator light, first single-way switch, described
Second single-way switch, the 3rd single-way switch and the four cores socket are arranged on the control panel.
Further, the power switch switchs for 15X10 single-pole double throw wrap board ships type.
Further, the DC voltage-stabilizing module is S-400W-24V type Switching Power Supplies.
Further, first diode, the second diode and the 3rd diode Guan Jun use 1N5404 diodes.
The advantageous effect of threephase cable axis open circuit fault detector provided by the invention is：Compared with prior art, originally
Steady dc voltage can be used in the threephase cable axis open circuit fault detector detection circuit that invention provides, and effectively ensures to repair people
Member's personal safety；The threephase cable axis open circuit fault detector can individually detect threephase cable by three detection switch
It is arbitrary single-phase, it also can be simultaneously to threephase cable whole detection；The testing result of the threephase cable axis open circuit fault detector can
To be directly displayed by panel leds, while maintenance personal is facilitated to overhaul cable, help a people can without other people
To complete maintenance process.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the internal circuit principle schematic of threephase cable axis open circuit fault detector provided in an embodiment of the present invention；
Fig. 2 is the internal circuit principle schematic for the threephase cable axis open circuit fault detector that another embodiment of the present invention provides；
Fig. 3 is threephase cable axis open circuit fault detector test plug back panel wiring schematic diagram provided in an embodiment of the present invention；
Fig. 4 is threephase cable axis open circuit fault detector panel schematic diagram provided in an embodiment of the present invention.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Refering to Figure 1, the internal circuit of threephase cable axis open circuit fault detector provided in an embodiment of the present invention is former
Schematic diagram is managed, including power switch QF, DC voltage-stabilizing module, the first indicator light HL1, the second indicator light HL2, the 3rd indicator light
HL3, the first single-way switch SA1, the second single-way switch SA2, the 3rd single-way switch SA4 and four core sockets；
The power switch QF is arranged between external power supply and the DC voltage-stabilizing module, the positve term of the DC voltage-stabilizing module
Output terminal respectively with one end of the first single-way switch SA1, one end of the second single-way switch SA2 and described 3rd unidirectional
One end connection of SA3 is switched, the other end of the first single-way switch SA1 is connected with one end of the first indicator light HL1, institute
One end that the second single-way switch SA2 other ends are stated with the second indicator light HL2 is connected, and the 3rd single-way switch SA3 is another
End is connected with one end of the 3rd indicator light HL3, the other end of the first indicator light HL1 and the first of the four cores socket
Pin connects, and the other end of the second indicator light HL2 is connected with the second pin of the four cores socket, the 3rd indicator light
The other end of HL3 is connected with the 3rd pin of the four cores socket, the negative term output terminal of the DC voltage-stabilizing module and described four
The 4th pin connection of core socket, first pin are connected with threephase cable A phase cores to be detected, and the second pin is with treating
The connection of threephase cable B phases core is detected, the 3rd pin is connected with threephase cable C phase cores to be detected, the 4th pin
Wire core is connected with threephase cable to be detected.
The threephase cable axis open circuit fault detector power switch is opened, accesses threephase cable to be measured, opens described the
One single-way switch SA1, the first indicator light HL1 is bright at this time, the conducting of threephase cable A phase cores is shown, if the first indicator light HL1 is not
Bright, display A phase cores have open circuit；Similarly, the second indicator light HL2 and the second single-way switch SA2 detections show three-phase
The break-make situation of cable B phase cores, the 3rd indicator light HL3 and the 3rd single-way switch SA3 detections show threephase cable C
The break-make situation of phase core.
In embodiments of the present invention, the threephase cable to be measured need to separate the core at end to be measured in test, access institute
State four core sockets, short circuit between the other end core of the threephase cable to be measured.
In embodiments of the present invention, the threephase cable to be measured can be three-core cable or have four cores of ground wire
Cable；When three-core cable is accessed the threephase cable axis open circuit fault detector, wherein any one core can be regard as "
Line " accesses the 4th pin of the four cores socket.
In embodiments of the present invention, the threephase cable to be measured is tested in the threephase cable axis open circuit fault detector
In, if the first indicator light HL1, the second indicator light HL2 and the 3rd indicator light HL3 do not turn on it is luminous, it is likely that
Be the four cores socket the 4th pin test core have short trouble, can with other cores replace be plugged on four core
4th pin of socket, retests.
Stable DC can be used in threephase cable axis open circuit fault detector detection circuit provided in an embodiment of the present invention
Pressure, effectively ensures maintenance personal's personal safety；The threephase cable axis open circuit fault detector can pass through three detection switch lists
Solely detection threephase cable is arbitrary single-phase, also can be simultaneously to threephase cable whole detection；The threephase cable axis open circuit fault inspection
Surveying the testing result of instrument can be directly displayed by panel leds, while maintenance personal is facilitated to overhaul cable, without
Other people help a people that can complete maintenance process.
Further, the threephase cable axis open circuit fault detector, which further includes, is arranged on the power switch and external electricity
Attaching plug between source.It is convenient for facilitating AC220V needed for connection in complicated operating environment maximum possible using attaching plug
Power supply.
Further, the external power supply be alternating current 220V power supply, the input terminal input AC of the DC voltage-stabilizing module
220V voltages, the output terminal output direct current 24V voltages of the DC voltage-stabilizing module；In embodiments of the present invention, the direct current is steady
Die block is S-400W-24V type Switching Power Supplies.
Further, the four cores socket is used for grafting threephase cable to be detected, to meet the detection three-phase of different model
Cable, the four cores socket use larger power model；In embodiments of the present invention, the four cores socket is inserted for T4-16A
Seat.
Further, the threephase cable axis open circuit fault detector, which further includes, is being arranged on the DC voltage-stabilizing module just
The 4th indicator light HL4 between output terminal and the negative sense output terminal of the DC voltage-stabilizing module.
Further, as shown in Fig. 2, another embodiment of the present invention provide threephase cable axis open circuit fault detector it is interior
Portion's circuit theory schematic diagram；Open the threephase cable axis open circuit fault detector power switch, the 4th indicator light HL4
It is bright, the first single-way switch SA1 is opened, the first indicator light HL1 is bright at this time, shows the conducting of threephase cable A phase cores, if the
One indicator light HL1 does not work, and display A phase cores have open circuit；Similarly, the second indicator light HL2 and the second single-way switch SA2
Detection shows the break-make situation of threephase cable B phase cores, and the 3rd indicator light HL3 and the 3rd single-way switch SA3 is detected
Show the break-make situation of threephase cable C phase cores.
Threephase cable axis open circuit fault detector provided in an embodiment of the present invention adds the 4th indicator light HL4；Pass through institute
The 4th indicator light is stated, can quickly judge the working condition of the threephase cable axis open circuit fault detector itself, investigation is treated
Survey the further exclusive PCR of failure of threephase cable.
Further, the threephase cable axis open circuit fault detector further includes the first diode, the second diode and
Three diodes, the first pin of the four cores socket connect the anode of the first diode, and the second pin of the four cores socket connects
The anode of the second diode is connect, the 3rd pin of the four cores socket connects the anode of the 3rd diode, first diode
Cathode, the cathode of second diode and cathode the 4th pin with the four cores socket respectively of the 3rd diode
Connection.
Further, refer to shown in Fig. 3, threephase cable axis open circuit fault detector detection provided in an embodiment of the present invention
Plug inside wiring schematic diagram.Diode is accessed per single-phase monitoring circuit, fully using diode forward conducting reversely cut-off
Principle, can effectively prevent that circuit wrong is short-circuit, it is ensured that the accurate safety of detection process.
Further, the threephase cable axis open circuit fault detector further includes control panel, the power switch, described
It is first indicator light, second indicator light, the 3rd indicator light, the 4th indicator light, first single-way switch, described
Second single-way switch, the 3rd single-way switch and the four cores socket are arranged on the control panel.
Further, refer to shown in Fig. 4, threephase cable axis open circuit fault detector panel provided in an embodiment of the present invention
Schematic diagram.Power switch and the 4th indicator light HL4 are the first single-way switch SA1 and the first indicator light HL1, second single close on residence
It is corresponded between two parties to switch SA2 and the second indicator light HL2, the 3rd single-way switch SA3 and the 3rd indicator light HL3, T4-16A sockets are only
Under posing as, panel layout understands succinctly.
Further, incoming line is divided into three branched line parallel connections, by single-way switch single-phase monitoring circuit is controlled to add
Electricity, break-make indicator light shine, and prove to survey uniline conducting without open circuit, being realized from circuit function can single detection three-phase
The arbitrary single-phase, two-phase of cable or the break-make of three-phase whole circuit.
Further, the power switch is used to control the break-make of the threephase cable axis open circuit fault detector power supply,
And the above the fold on the threephase cable axis open circuit fault detector panel is arranged in, mostly opened using key switch or wrap board
It closes；In embodiments of the present invention, the power switch switchs for 15X10 single-pole double throw wrap board ships type.
Further, the single-way switch is a certain in A phases, B phases or C phases in the threephase cable to be detected for controlling
, and be arranged on the threephase cable axis open circuit fault detector panel, three single-way switch are arranged side by side, and use more and stir
Switch or rotary switch；In embodiments of the present invention, first single-way switch, described in second single-way switch and the 3rd is single
It is the miniature two grade of three foot single-pole double throw toggle switches of SMTS-102 to switch.
Further, the conducting situation of circuit where the indicator light is used to indicate, and it is arranged in the threephase cable axis
On open circuit fault detector panel, mostly using LED light or the suitable direct current lamp bead of size.In embodiments of the present invention, described
One indicator light, second indicator light, the 3rd indicator light and the 4th indicator light are referred to using AD16-22D/R23 types
Show lamp.
Further, the diode is used in the four cores socket between four pins, i.e., described diode is in institute
It states between four pins in T4-16A sockets；In embodiments of the present invention, first diode, the second diode and the 3rd
Diode uses 1N5404 diodes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. threephase cable axis open circuit fault detector, which is characterized in that including power switch, DC voltage-stabilizing module, the first instruction
Lamp, the second indicator light, the 3rd indicator light, the first single-way switch, the second single-way switch, the 3rd single-way switch and four core sockets；
The power switch is arranged between external power supply and the DC voltage-stabilizing module, and the positve term of the DC voltage-stabilizing module is defeated
Outlet respectively with one end of first single-way switch, one end of second single-way switch and the 3rd single-way switch one
End connection, the other end of first single-way switch are connected with one end of first indicator light, and second single-way switch is another
One end is connected with one end of second indicator light, and one end of the 3rd single-way switch other end and the 3rd indicator light connects
It connects, the other end of first indicator light is connected with the first pin of the four cores socket, the other end of second indicator light
It is connected with the second pin of the four cores socket, the other end of the 3rd indicator light connects with the 3rd pin of the four cores socket
It connects, the negative term output terminal of the DC voltage-stabilizing module is connected with the 4th pin of the four cores socket, and first pin is with treating
The connection of threephase cable A phases core is detected, the second pin is connected with threephase cable B phase cores to be detected, the 3rd pin
It is connected with threephase cable C phase cores to be detected, wire core is connected the 4th pin with threephase cable to be detected；
The power switch is opened, accesses threephase cable to be measured, opens first single-way switch, the first indicator light is bright at this time,
It shows the detection threephase cable A phases core conducting, if the first indicator light does not work, shows the detection threephase cable A phase cores
There is open circuit；Similarly, second indicator light and second single-way switch detection display detection threephase cable B phase cores
Break-make situation, the 3rd indicator light are logical with the 3rd single-way switch detection display detection threephase cable C phase cores
Disconnected situation.
2. threephase cable axis open circuit fault detector according to claim 1, which is characterized in that further include described in being arranged on
Attaching plug between power switch and external power supply.
3. threephase cable axis open circuit fault detector according to claim 1, which is characterized in that the external power supply is friendship
Flow 220V power supplys, the input terminal input AC 220V voltages of the DC voltage-stabilizing module, the output terminal of the DC voltage-stabilizing module
Export direct current 24V voltages.
4. threephase cable axis open circuit fault detector according to claim 1, which is characterized in that further include described in being arranged on
The 4th indicator light between the positive output terminal of DC voltage-stabilizing module and the negative sense output terminal of the DC voltage-stabilizing module.
5. threephase cable axis open circuit fault detector according to claim 1, which is characterized in that further include the one or two pole
Pipe, the second diode and the 3rd diode, the first pin of the four cores socket connect the anode of the first diode, four core
The second pin of socket connects the anode of the second diode, and the 3rd pin of the four cores socket is connecting the 3rd diode just
Pole, the cathode of the cathode of first diode, the cathode of second diode and the 3rd diode respectively with it is described
The 4th pin connection of four core sockets.
6. threephase cable axis open circuit fault detector according to claim 1, which is characterized in that the four cores socket is
T4-16A sockets.
7. threephase cable axis open circuit fault detector according to claim 4, which is characterized in that control panel is further included,
It is the power switch, first indicator light, second indicator light, the 3rd indicator light, the 4th indicator light, described
First single-way switch, second single-way switch, the 3rd single-way switch and the four cores socket are arranged at the control
On panel.
8. threephase cable axis open circuit fault detector according to claim 1, which is characterized in that the power switch is
15X10 single-pole double throw wrap board ships type switchs.
9. threephase cable axis open circuit fault detector according to claim 1, which is characterized in that the DC voltage-stabilizing module
For S-400W-24V type Switching Power Supplies.
10. threephase cable axis open circuit fault detector according to claim 5, which is characterized in that first diode,
Second diode and the 3rd diode use 1N5404 diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384419.1A CN108107323A (en) | 2017-12-20 | 2017-12-20 | Threephase cable axis open circuit fault detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384419.1A CN108107323A (en) | 2017-12-20 | 2017-12-20 | Threephase cable axis open circuit fault detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108107323A true CN108107323A (en) | 2018-06-01 |
Family
ID=62210467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711384419.1A Pending CN108107323A (en) | 2017-12-20 | 2017-12-20 | Threephase cable axis open circuit fault detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108107323A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919062A (en) * | 2018-09-21 | 2018-11-30 | 平朔工业集团有限责任公司 | Test device for coalcutter control cable |
| CN113671884A (en) * | 2021-08-25 | 2021-11-19 | 杭州德泰人防设备有限公司 | Electric control system for controlling special door body to be opened and closed stably |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779052A (en) * | 1985-11-08 | 1988-10-18 | Thomas & Betts Corporation | Multiconductor telephone cable test apparatus |
| CN202204895U (en) * | 2011-08-11 | 2012-04-25 | 中国第一汽车股份有限公司 | Multifunctional cable failure diagnosis device |
| CN204650722U (en) * | 2015-04-10 | 2015-09-16 | 武汉钢铁(集团)公司 | A kind of cable fault warning device |
| CN206331065U (en) * | 2016-12-12 | 2017-07-14 | 榆林市榆阳中能袁大滩矿业有限公司 | Electric discontinuity of cable fault locator |
-
2017
- 2017-12-20 CN CN201711384419.1A patent/CN108107323A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779052A (en) * | 1985-11-08 | 1988-10-18 | Thomas & Betts Corporation | Multiconductor telephone cable test apparatus |
| CN202204895U (en) * | 2011-08-11 | 2012-04-25 | 中国第一汽车股份有限公司 | Multifunctional cable failure diagnosis device |
| CN204650722U (en) * | 2015-04-10 | 2015-09-16 | 武汉钢铁(集团)公司 | A kind of cable fault warning device |
| CN206331065U (en) * | 2016-12-12 | 2017-07-14 | 榆林市榆阳中能袁大滩矿业有限公司 | Electric discontinuity of cable fault locator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919062A (en) * | 2018-09-21 | 2018-11-30 | 平朔工业集团有限责任公司 | Test device for coalcutter control cable |
| CN113671884A (en) * | 2021-08-25 | 2021-11-19 | 杭州德泰人防设备有限公司 | Electric control system for controlling special door body to be opened and closed stably |
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Application publication date: 20180601 |