CN209086368U - A kind of power cable fault detection impacting with high pressure electric power source all-in-one machine - Google Patents
A kind of power cable fault detection impacting with high pressure electric power source all-in-one machine Download PDFInfo
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- CN209086368U CN209086368U CN201821566015.4U CN201821566015U CN209086368U CN 209086368 U CN209086368 U CN 209086368U CN 201821566015 U CN201821566015 U CN 201821566015U CN 209086368 U CN209086368 U CN 209086368U
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- high pressure
- power source
- fault detection
- electric power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to a kind of power cable fault detection impacting with high pressure electric power source all-in-one machines, including electric voltage regulator, testing transformer, capacitor and electric discharge spherical structure, wherein the input terminal of the adjustable side joint test transformer of electric voltage regulator;First output end of testing transformer and discharge ball structures in series to tested failure cable core wire;The second output terminal of testing transformer is connected to tested failure cable oversheath and connects ground terminal;Capacitor is connected in parallel between the first output end of testing transformer and second output terminal;The spherical structure that discharges includes sequentially connected sphere gap unit, power unit and remote control reception plate.The impacting with high pressure electric power source all-in-one machine of the utility model, its sphere gap distance is adjusted using motor control, error caused by human factor during manually adjusting can effectively be eliminated, it is additionally provided with remote control reception plate, control all-in-one machine voltage raising and reducing and discharge process can be remotely operated, at work there is no Keep Clear-High Voltage, safety is higher.
Description
Technical field
The utility model belongs to power cable fault detection technique field, and in particular to a kind of power cable fault detection use
Impacting with high pressure electric power source all-in-one machine.
Background technique
In power equipment, the conveying of the unimpeded and electric power of wire communication depends on the normal operation of cable run, once
Line failure will result in communication and the interruption of electric power, such as cannot find in time failure and be excluded rapidly, Jiu Huizao
At very huge economic loss and undesirable social influence.Before carrying out Measuring error to failure cable, cable fault need to be clicked through
Row is accurate to determine positioning.A kind of common position of failure point determines that method is that high voltage pulse is added to make fault point flashover to cable
Electric discharge, so that it is determined that the position of fault point.
Impacting with high pressure electric power source all-in-one machine is mostly used to add high voltage pulse, existing impacting with high pressure electric power source all-in-one machine to cable at present
Discharge ball sphere gap distance adjust to mostly use and manually adjust and mechanical adjustment, it will usually since human factor generates error, together
When, impacting with high pressure electric power source all-in-one machine can generate high pressure during the work time, and there is also Keep Clear-High Voltage for manual operation.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of power cable fault detection
With impacting with high pressure electric power source all-in-one machine.The technical problems to be solved in the utility model is achieved through the following technical solutions:
The utility model provides a kind of power cable fault detection impacting with high pressure electric power source all-in-one machine, including electronic pressure regulation
Device, testing transformer, capacitor and electric discharge spherical structure, wherein the adjustable side of the electric voltage regulator connects the testing transformer
Input terminal;First output end of the testing transformer and the discharge ball structures in series to tested failure cable core wire;Institute
The second output terminal for stating testing transformer is connected to tested failure cable oversheath and connects ground terminal;The capacitor is connected in parallel to institute
It states between first output end of testing transformer and the second output terminal;The electric discharge spherical structure includes sequentially connected
Sphere gap unit, power unit and remote control reception plate.
In one embodiment of the utility model, the power cable fault detection uses impacting with high pressure electric power source all-in-one machine also
Including capacitor, the capacitor is connected in parallel between first output end of the testing transformer and the second output terminal.
In one embodiment of the utility model, the power cable fault detection uses impacting with high pressure electric power source all-in-one machine also
Including current sampling box, the current sampling box is located at the ground line side of the capacitor, includes sense in the current sampling box
Coil is answered, for incuding the current signal received on the ground line.
In one embodiment of the utility model, the power cable fault detection uses impacting with high pressure electric power source all-in-one machine also
Including multipulse generator, the high voltage input terminal of the multipulse generator is connect with electric discharge spherical structure, high-voltage output end and quilt
Survey failure cable connection.
In one embodiment of the utility model, the sphere gap unit and the power unit are mounted on same pedestal
On.
In one embodiment of the utility model, the sphere gap unit includes the first discharge ball, the second discharge ball, cunning
Lever, pressure spring, screw rod and insulation cover, wherein one end of the sliding bar is connect with second discharge ball, the other end is worn
It crosses the pressure spring and is fixed on the side of the inner wall of the insulation cover;One end of the screw rod and first discharge ball connect
Connect, the other end be fixed on the insulation cover inner wall the other side.
In one embodiment of the utility model, the power unit includes sliding rail, sliding block, driving motor,
One limit switch and the second limit switch, wherein the sliding rail setting is on the base;The sliding block is mounted on described
On sliding rail;The driving motor is fixed on the slide block;First limit switch and second limit switch point
Not Wei Yu the sliding rail two sides;Described driving motor one end is connected to the screw rod other end and is connected to the remote control
Receiver board.
In one embodiment of the utility model, the power unit further includes shaft coupling, one end of the shaft coupling
It is connect with driving motor, the other end is connect with the screw rod.
In one embodiment of the utility model, the upper surface setting of the sliding block is fluted, installs on the groove
There is slide rheostat.
In one embodiment of the utility model, the impacting with high pressure electric power source all-in-one machine further includes LED display module, institute
LED display module is stated to be electrically connected with the slide rheostat.
Compared with prior art, the utility model has the beneficial effects that:
1, the power cable fault detection impacting with high pressure electric power source all-in-one machine of the utility model, its sphere gap distance use
Motor controls to adjust, and effectively eliminates error caused by human factor during manually adjusting, so that impacting with high pressure power supply
All-in-one machine is more accurate in power cable fault detection process, stablizes.
2, the power cable fault detection impacting with high pressure electric power source all-in-one machine of the utility model, design have remote control reception plate,
Remote controler remote operation adjustment sphere gap distance can be used and control the whole process of all-in-one machine voltage raising and reducing and electric discharge,
There is no Keep Clear-High Voltage in the course of work, safety is higher.
Detailed description of the invention
Fig. 1 is a kind of power cable fault detection impacting with high pressure electric power source all-in-one machine provided by the embodiment of the utility model
Structural schematic diagram;
Fig. 2 is another power cable fault detection impacting with high pressure electric power source all-in-one machine provided by the embodiment of the utility model
Structural schematic diagram;
Fig. 3 is another power cable fault detection impacting with high pressure electric power source all-in-one machine provided by the embodiment of the utility model
Structural schematic diagram;
Fig. 4 is a kind of schematic diagram of spherical structure that discharges provided by the embodiment of the utility model;
Fig. 5 is the sphere gap distance by remote operation adjustment the utility model embodiment impacting with high pressure electric power source all-in-one machine
Procedural block diagram.
Description of symbols:
The first discharge ball of 1-;The second discharge ball of 2-;3- sliding bar;4- pressure spring;5- screw rod;The first nut of 6-;7- first
Main line weld tabs;8- insulation cover;9- shaft coupling;10- sliding rail;11- sliding block;12- driving motor;The first limit switch of 13-;
The second limit switch of 14-;15- pedestal;16- groove;17- sphere gap unit;18- power unit;The second nut of 19-;20- remote control
Receiver board;21- electric voltage regulator;22- testing transformer;23- capacitor;24- electric discharge spherical structure;25- current sampling box;26- is more
Impulse generator;A- high voltage input terminal;B- high-voltage output end;27- the second main line weld tabs.
Specific embodiment
The content of the present invention is further described combined with specific embodiments below, but the embodiment party of the utility model
Formula is without being limited thereto.
Referring to Figure 1, Fig. 1 is a kind of power cable fault detection impacting with high pressure electricity provided by the embodiment of the utility model
Source integrated structural schematic diagram, as shown, the power cable fault detection impacting with high pressure electric power source all-in-one machine of the present embodiment,
Including electric voltage regulator 21, testing transformer 22, capacitor 23 and electric discharge spherical structure 24, wherein the adjustable side of electric voltage regulator 21
The input terminal of the testing transformer 22 is connected, the adjustable side is used to adjust the size of input voltage;Testing transformer 22
First output end and electric discharge spherical structure 24 are connected serially to tested failure cable core wire;The second output terminal of testing transformer 22 is connected to
Tested failure cable oversheath simultaneously connects ground terminal;Capacitor 23 be connected in parallel to first output end of the testing transformer 22 with
Between the second output terminal;Electric discharge spherical structure 24 includes that sequentially connected sphere gap unit 17, power unit 18 and remote control connect
Receive plate 20.
Fig. 2 is referred to, Fig. 2 is another power cable fault detection impacting with high pressure provided by the embodiment of the utility model
The structural schematic diagram of electric power source all-in-one machine, as shown, the power cable fault detection impacting with high pressure power supply one of the present embodiment
Machine further includes current sampling box 25, and it includes sense in current sampling box 25 that current sampling box 25, which is located at the ground line side of capacitor 23,
Coil is answered, for incuding the electric signal received on ground line.Using in impacting with high pressure flashover method test process, user passes through tune
The sphere gap distance of section electric discharge spherical structure 24, applies surge voltage to tested failure cable, makes fault point disruptive discharge, to produce
Raw reflected voltage (or electric current), the electric signal reflected by 25 sample record of current sampling box and transmit reflected impulse signal
To electric cable failure detector, on a display screen by the reflected impulse record of formation, user is by dividing for the electric cable failure detector
Waveform is analysed to determine the position of fault point.
Fig. 3 is referred to, Fig. 3 is another power cable fault detection impacting with high pressure provided by the embodiment of the utility model
The structural schematic diagram of electric power source all-in-one machine, as shown, the power cable fault detection impacting with high pressure power supply one of the present embodiment
Machine further includes multipulse generator 26, and the high voltage input terminal A of multipulse generator 26 is connect with electric discharge spherical structure 24, and high pressure is defeated
Outlet B is connect with detected failure cable.Using in multipulse method test process, user is by adjusting electric discharge spherical structure 24
Sphere gap distance, to tested failure cable apply surge voltage, discharge spherical structure 24 caused by temporary impact high-voltage pulse by
The guidance of multipulse generator 26 is on tested failure cable, guaranteeing that fault point can sufficiently be punctured, and after extending the breakdown of failure
Arc duration, while multipulse generator 26 generates trigger pulse starting multiple-pulse automatic initiating device and cable
Failure tester, the multiple-pulse automatic initiating device successively issue multiple test action of low-voltage pulse immediately, are transmitted to described tested
On failure cable, the multiple-pulse generated after cable is breakdown reflects electric signal, is acquired by multipulse generator 26 and is sent to electricity
Cable failure tester, on a display screen by the reflected impulse record of formation, user passes through analysis wave to the electric cable failure detector
Shape determines the position of fault point.
Further, Fig. 4 is referred to, a kind of schematic diagram for the spherical structure that discharges provided by the embodiment of the utility model is such as schemed
Shown, electric discharge spherical structure 24 includes sequentially connected sphere gap unit 17, power unit 18 and remote control reception plate 20, further
Ground, sphere gap unit 17 and power unit 18 are mounted on same pedestal 15.
Specifically, sphere gap unit 17 include the first discharge ball 1, the second discharge ball 2, sliding bar 3, pressure spring 4, screw rod 5,
With insulation cover 8.Wherein, one end of sliding bar 3 is connect with the second discharge ball 2, the other end passes through pressure spring 4 and it is outer to be fixed on insulation
The side of the inner wall of cover 8, the effect of pressure spring 4 is to come into full contact with the first discharge ball in pressure reduction with the second discharge ball,
Play the role of buffering in contact process;It is outer that one end of screw rod 5 is connect with the first discharge ball 1, the other end is fixed on insulation
The other side of the inner wall of cover 8.Further, sphere gap unit 17 further includes the first nut 6, the second nut 19, the weldering of the first main line
Piece 7 and the second main line weld tabs 27, the effect of the first nut 6 are fixed on screw rod 5 on 8 inner wall of insulation cover, the second nut
19 effect is fixed on sliding bar 3 on the inner wall of insulation cover 8, and the first main line weld tabs 7 and the second main line weld tabs 27 are fixed
In the outside of insulation cover 8, the Wiring port of electric discharge spherical structure 24 is functioned as, is used for joint test transformer and more arteries and veins
Rush generator 26.
Specifically, power unit 18 includes sliding rail 10, sliding block 11, driving motor 12, the first limit switch 13 and the
Two limit switches 14.Wherein, sliding rail 10 is arranged on pedestal 15;Sliding block 11 is mounted on sliding rail 10;Driving motor
12 are fixed on sliding block 11;First limit switch 13 and second limit switch 14 are located at the two sides of sliding rail 10;
12 one end of driving motor is connected to screw rod 5, and the other end is connected to remote control reception plate 20.The power unit 18 further includes shaft coupling
One end of device 9, shaft coupling 9 is connect with driving motor 12, and the other end is connect with screw rod 5.
Further, the upper surface of sliding block 11 is arranged fluted 16, is equipped with slide rheostat, the present embodiment on groove 16
Impacting with high pressure electric power source all-in-one machine further include LED display module, the LED display module is electrically connected with the slide rheostat,
The resistance value of the slide rheostat can change as sliding block 11 slides, and change in resistance passes through electronic feedback to the LED
In display module, user can intuitively see the actual change situation of sphere gap distance.
Fig. 5 is referred to, Fig. 5 is adjusted by remote operation between the ball of the utility model embodiment impacting with high pressure electric power source all-in-one machine
Stand-off distance from procedural block diagram select distant as shown, when the impacting with high pressure electric power source all-in-one machine of the present embodiment needs boost operations
Control operates, the corresponding button in remote controller, emits signal, corresponding when remote control reception plate 20 receives boost signal
Relay closure, on driving motor 12 plus positive voltage, driving motor 12 rotate forward, as sliding block 11 is to far from sphere gap list
The direction sliding (such as Fig. 4 is slided to the right) of member 17, while shaft coupling 9 and screw rod 5 being driven to rotate together, so that being connected to spiral shell
First discharge ball 1 of 5 one end of spinner handle becomes far from the second discharge ball 2 for being fixed on the other side in insulation cover 8, sphere gap distance
Greatly, when reaching biggest ball clearance distance, the second limit switch 14 closure, relay is disconnected, and motor stops working.
When the impacting with high pressure electric power source all-in-one machine of the present embodiment needs reduced pressure operation, the corresponding button in remote controller, hair
Signal is penetrated, when remote control reception plate 20 receives buck signal, corresponding relay is closed, and negative electricity is added on driving motor 12
Pressure, driving motor 12 rotate backward, and slide (such as Fig. 4 is slided to the left) to the direction close to sphere gap unit 17 with sliding block 11,
Shaft coupling 9 and screw rod 5 is driven to rotate together simultaneously, so that being connected to first discharge ball 1 of 5 one end of screw rod close to being fixed on
Second discharge ball 2 of the other side, sphere gap distance become smaller in insulation cover 8, when sphere gap distance is zero, the first limit switch
13 closures, relay disconnect, and motor stops working.
In the present embodiment, added positive electrode and negative electrode are 12V on driving motor 12.
The present embodiment power cable fault detection use impacting with high pressure electric power source all-in-one machine, sphere gap distance using motor come
It controls to adjust, error caused by human factor during manually adjusting is effectively eliminated, so that impacting with high pressure electric power source all-in-one machine
It is more accurate in power cable fault detection process, stable.The impacting with high pressure electric power source all-in-one machine of the utility model is additionally provided with
Remote control reception plate can be used remote controler remote operation adjustment sphere gap distance and control all-in-one machine voltage raising and reducing and electric discharge
Whole process, during the work time there is no Keep Clear-High Voltage, safety is higher.In addition, the impacting with high pressure power supply one of the present embodiment
Body machine further includes current sampling box and more arteries and veins generators, is applicable to measure the various electric power of various different cross sections, different medium
The high low-resistances of the cables such as cable and two or more the buried electric wire being uniformly laid with, short circuit, open circuit, open circuit, high resistant leakage and high
Hinder flashover failure.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (9)
1. a kind of power cable fault detection impacting with high pressure electric power source all-in-one machine, which is characterized in that including electric voltage regulator (21),
Testing transformer (22), capacitor (23) and electric discharge spherical structure (24), wherein
The output end of the electric voltage regulator (21) connects the input terminal of the testing transformer (22);
First output end of the testing transformer (22) and the electric discharge spherical structure (24) are connected serially to tested failure cable core wire;
The second output terminal of the testing transformer (22) is connected to tested failure cable oversheath and connects ground terminal;
The capacitor (23) is connected in parallel between first output end of the testing transformer (22) and the second output terminal;
The electric discharge spherical structure (24) includes sequentially connected sphere gap unit (17), power unit (18) and remote control reception plate
(20)。
2. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 1, which is characterized in that also wrap
It includes current sampling box (25), the current sampling box (25) is located at the ground line side of capacitor (23), the current sampling box
It (25) include induction coil in, for incuding the current signal received on the ground line.
3. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 1, which is characterized in that also wrap
It including multipulse generator (26), the high voltage input terminal (A) of the multipulse generator (26) connects the electric discharge spherical structure (24),
High-voltage output end (B) connects the tested failure cable.
4. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 1, which is characterized in that described
Sphere gap unit (17) and the power unit (18) are mounted on same pedestal (15).
5. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 4, which is characterized in that described
Sphere gap unit (17) includes the first discharge ball (1), the second discharge ball (2), sliding bar (3), pressure spring (4), screw rod (5) and exhausted
Edge outer cover (8), wherein
One end of the sliding bar (3) is connect with second discharge ball (2), the other end passes through the pressure spring (4) and is fixed on
The side of the inner wall of the insulation cover (8);
One end of the screw rod (5) is connect with first discharge ball (1), the other end is fixed on the insulation cover (8)
The other side of inner wall.
6. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 5, which is characterized in that described
Power unit (18) includes sliding rail (10), sliding block (11), driving motor (12), the first limit switch (13) and the second limit
It switchs (14), wherein
The sliding rail (10) is arranged on the pedestal (15);
The sliding block (11) is mounted on the sliding rail (10);
The driving motor (12) is fixed on the sliding block (11);
First limit switch (13) and second limit switch (14) are located at the two sides of the sliding rail (10);
Described driving motor (12) one end is connected to the screw rod (5), and the other end is connected to the remote control reception plate (20).
7. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 6, which is characterized in that described
Power unit (18) further includes shaft coupling (9), and one end of the shaft coupling (9) is connect with the driving motor (12), the other end
It is connect with the screw rod (5).
8. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 7, which is characterized in that described
Fluted (16) are arranged in the upper surface of sliding block (11), are equipped with slide rheostat on the groove (16).
9. power cable fault detection impacting with high pressure electric power source all-in-one machine according to claim 8, which is characterized in that described
Impacting with high pressure electric power source all-in-one machine further includes LED display module, and the LED display module is electrically connected with the slide rheostat.
Priority Applications (1)
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CN201821566015.4U CN209086368U (en) | 2018-09-25 | 2018-09-25 | A kind of power cable fault detection impacting with high pressure electric power source all-in-one machine |
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CN201821566015.4U CN209086368U (en) | 2018-09-25 | 2018-09-25 | A kind of power cable fault detection impacting with high pressure electric power source all-in-one machine |
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CN209086368U true CN209086368U (en) | 2019-07-09 |
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CN201821566015.4U Active CN209086368U (en) | 2018-09-25 | 2018-09-25 | A kind of power cable fault detection impacting with high pressure electric power source all-in-one machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111509562A (en) * | 2020-05-28 | 2020-08-07 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Device and method for quickly adjusting discharge gap |
-
2018
- 2018-09-25 CN CN201821566015.4U patent/CN209086368U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111509562A (en) * | 2020-05-28 | 2020-08-07 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Device and method for quickly adjusting discharge gap |
CN111509562B (en) * | 2020-05-28 | 2024-04-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Device and method for quickly adjusting discharge gap |
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Effective date of registration: 20210126 Address after: Room 21601, 16 / F, unit 2, building 12, fengjingtianxia, 2199 Weiqu North Street, Chang'an District, Xi'an City, Shaanxi Province, 710000 Patentee after: Xi'an National Hongyue Electromechanical Technology Co.,Ltd. Address before: 710071 NO.3-4, industrial building, No.2, Taibai South Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: Fengze Electronic Technology Co Ltd of Xi'an University of Electronic Science and Technology |