CN209559380U - A kind of cable body and transition joint interfacial pressure measure circuit - Google Patents
A kind of cable body and transition joint interfacial pressure measure circuit Download PDFInfo
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- CN209559380U CN209559380U CN201821474674.5U CN201821474674U CN209559380U CN 209559380 U CN209559380 U CN 209559380U CN 201821474674 U CN201821474674 U CN 201821474674U CN 209559380 U CN209559380 U CN 209559380U
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- fastening clip
- copper sheet
- transition joint
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Abstract
A kind of cable body and transition joint interfacial pressure measure circuit, including strong current generator, connect copper sheet, stub cable, transition joint, fastening clip for cable and support frame, connecting copper sheet includes the first connection copper sheet and the second connection copper sheet, the first end of first connection copper sheet and the second connection copper sheet is separately connected strong current generator output end, fastening clip for cable includes the first fastening clip for cable and the second fastening clip for cable, the second end of first connection copper sheet connects the first fastening clip for cable, the second end of second connection copper sheet connects the second fastening clip for cable, stub cable both ends are separately connected the first fastening clip for cable and the second fastening clip for cable, transition joint is located in the middle part of stub cable, support frame is two groups, the first fastening clip for cable and the second fastening clip for cable are supported respectively.The utility model provides a kind of easy auxiliary device for cable intermediate joint interfacial pressure measurement method, and measurement result is not accurate, and occupied area is small, and arrangement space requires low.
Description
Technical field
The utility model relates to the technical fields of power transmission, more particularly, to a kind of cable body and transition joint
Interfacial pressure measures circuit.
Background technique
Due to unit cable can not endless, therefore cable run junction and terminal are required to attachment to connect, these
Position plays important role in cable run.Currently, the failure of cable run largely appears on cable accessory,
In most importantly cable intermediate joint.Cable intermediate joint installation interface pressure be assess connector safe operation it is important because
Element, the deficiency of interfacial pressure may cause creeping discharge failure, and interfacial pressure is excessive, can damage the service life of connector.Therefore,
The interfacial pressure of actual measurement cable intermediate joint has important research significance.
Currently, the research both at home and abroad about actual measurement cable intermediate joint installation position interfacial pressure is very few, mainly with
Based on emulation, emulation cannot form good compare with actual measurement.This has also reflected the difficulty of actual track measurement interfacial pressure
Degree, due to the complexity of the structurally and electrically performance of transition joint, the out-of-flatness of installation interface under high voltages can be somewhere
Very big electric field is formed, or even causes to puncture, it is larger that actual track built-in sensors measure difficulty.
Chinese patent CN201810083417.7 discloses a kind of measurement of built-in sensors in the cable cable intermediate joint
The method of interfacial pressure, this method need just to be able to achieve by auxiliary tool in actual measurement, usually take more than ten even
Tens meters of long cables carry out experiment measurement to simulate actual track, this needs to occupy very big experimental site, and to experiment
Power supply also has very high requirement, and experiment difficulty is bigger.
Utility model content
The utility model in order to overcome at least one of the drawbacks of the prior art described above, it is simply electric to provide a kind of structure
The auxiliary tool of cable transition joint interfacial pressure measurement, specific technical solution are as follows:
A kind of cable body and transition joint interfacial pressure measure circuit, including strong current generator, connection copper sheet, short electricity
Cable, transition joint, fastening clip for cable and support frame, the connection copper sheet are two groups, including the first connection copper sheet and the second connection
The first end of copper sheet, the first connection copper sheet and the second connection copper sheet is separately connected two of strong current generator output end and connects
Terminal, the fastening clip for cable is two groups, including the first fastening clip for cable and the second fastening clip for cable, the first connection copper sheet
Second end connect the first fastening clip for cable, it is described second connection copper sheet second end connect the second fastening clip for cable, it is described short
Cable ends are separately connected the first fastening clip for cable and the second fastening clip for cable, and the transition joint is located in the middle part of stub cable, institute
Stating support frame is two groups, supports the first fastening clip for cable and the second fastening clip for cable respectively.
In the utility model, the power supply of strong current generator energy long-time high current can generate low-voltage, high-current by alternating current,
Experimental condition is stable, safety, and low-voltage, high-current, the power needed is little, and can in such a way that software inputs instruction,
The arbitrarily loading method of setting electric current.When work, after setting sensor at cable connector, start big circuit generator, mould
The work transition of quasi- actual circuit, to realize the measurement of pressure.The utility model is cable transition joint interfacial pressure measurement side
Method provides a kind of easy auxiliary device, can not only guarantee that measurement result is accurate, and occupied area is small, arrangement space is wanted
Ask low, it is easy to spread.
Preferably, stub cable length between 1m~2m, keeps the utility model simple and compact, bulk loop occupied area
Small, operating flexibility is strong, is tested by the cable accessory interfacial pressure that easy circuit can meet long-term complexity, without expending
A large amount of cable material, is greatly saved experimental cost.
Preferably, the fastening clip for cable includes two clamping plate groups, it is first clamping plate group and second clamping plate group, institute respectively
Connection copper sheet is stated to be set among first clamping plate group and second clamping plate group；The first clamping plate group includes under the first upper clamp plate and first
The end of clamping plate, first upper clamp plate and the connection of the first lower clamp plate is equipped with the semicircle orifice that is mutually matched, the first upper clamp plate and the
Circular through hole is formed after the combination of one lower clamp plate；The second clamping plate group include the second upper clamp plate and the second lower clamp plate, described second
The end of upper clamp plate and the connection of the second lower clamp plate is equipped with the semicircle orifice being mutually matched, after the second upper clamp plate and the second lower clamp plate combine
Form circular through hole；Cable passage is formed after the through-hole of the first clamping plate group and the through-hole combination of second clamping plate group.This is practical
The novel design by four-in-one can increase the contact area of fastening clip for cable and cable, reduce contact resistance and fever.
Further, the end of first upper clamp plate, the second upper clamp plate, the first lower clamp plate and the second lower clamp plate is equipped with spiral shell
Bolt throughhole, first upper clamp plate and the second upper clamp plate, the first lower clamp plate respectively shortly past being bolted, second lower clamp plate and
First lower clamp plate, the second upper clamp plate are bolted respectively, when work, when cable and connection copper sheet after the installation is completed, tighten
Bolt can measure test, and after work, adjusting bolt can be completed disassembly, and replacement experiment cable and attachment only need
Disassembly fastening clip for cable unloads stub cable, and the replacement of attachment is detached from experimental loop and carries out, and installs re-attached circuit, increases
The big space of operation, raising can operational readiness.
Further, the cable passage has multiple, and each cable passage diameter is different, and the cable of the utility model is solid
Clamp is porous structure, can be adapted to the cable of different cross section, increases the adaptability in measurement circuit.
Further, support frame as described above includes panel, connector and bottom plate, and the panel and bottom plate are connected by connector
It connects, the bottom plate lower part is equipped with idler wheel.
Preferably, the strong current generator lower part is equipped with idler wheel, move the utility model arbitrarily, operation spirit
It is living.
Compared with prior art, beneficial effect is:
The utility model can go out the pressure of cable intermediate joint installation interface in actual measurement under low voltage condition, pass through
Current-order is arranged to strong current generator, can farthest analogue measurement actual motion line cord accessory interface pressure,
And it can measure for a long time, without considering high pressure to experiment bring negative effect.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the main view of the utility model fastening clip for cable.
Fig. 3 is the top view of the utility model fastening clip for cable.
Fig. 4 is the structural schematic diagram of the utility model support frame.
In figure: 1- strong current generator；2- connection copper sheet；The connection copper sheet of 21- first；The connection copper sheet of 22- second；3- support
Frame；31- panel；32- connector；33- bottom plate；34- idler wheel；4- fastening clip for cable；The first fastening clip for cable of 41-；The second electricity of 42-
Cable fixing clamp；401 first upper clamp plates；The second upper clamp plate of 402-；The first lower clamp plate of 403-；404- cable passage；405- bolt is logical
Hole；5- stub cable；6- transition joint.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figs 1-4, a kind of cable body and transition joint interfacial pressure measurement circuit, including strong current generator 1,
Connect copper sheet 2, stub cable 5, transition joint 6, fastening clip for cable 4 and support frame 3, the connection copper sheet 2 is two groups, including first
Copper sheet 21 and the second connection copper sheet 22 are connected, the first end that the first connection copper sheet 21 and second connect copper sheet 22 is separately connected
Two binding posts of 1 output end of strong current generator, the fastening clip for cable 4 is two groups, including 41 He of the first fastening clip for cable
Second fastening clip for cable 42, the second end of the first connection copper sheet 21 connect the first fastening clip for cable 41, second connection
The second end of copper sheet 22 connects the second fastening clip for cable 42, and 5 both ends of stub cable are separately connected 41 He of the first fastening clip for cable
Second fastening clip for cable 42, the transition joint 6 are located at 5 middle part of stub cable, and support frame as described above 3 is two groups, support first respectively
Fastening clip for cable 41 and the second fastening clip for cable 42.
Specifically, 5 length of stub cable is between 1m~2m, specifically, 5 length of stub cable is 1.5m.
Specifically, the fastening clip for cable 4 includes two clamping plate groups, it is first clamping plate group and second clamping plate group, institute respectively
Connection copper sheet 2 is stated to be set among first clamping plate group and second clamping plate group；The first clamping plate group includes the first upper clamp plate 401 and the
The end of one lower clamp plate 403, first upper clamp plate 401 and the connection of the first lower clamp plate 403 is equipped with the semicircle orifice being mutually matched, the
Circular through hole is formed after one upper clamp plate 401 and the combination of the first lower clamp plate 403；The second clamping plate group includes the second upper clamp plate 402
With the second lower clamp plate (diagram does not mark), the end that second upper clamp plate 402 is connected with the second lower clamp plate is equipped with and is mutually matched
Semicircle orifice, the second upper clamp plate 402 and the second lower clamp plate combination after form circular through hole；The through-hole of the first clamping plate group and
Cable passage 404 is formed after the through-hole combination of second splint group.
Specifically, the end of first upper clamp plate 401, the second upper clamp plate 402, the first lower clamp plate 403 and the second lower clamp plate
Portion is equipped with bolt hole 45, and first upper clamp plate 401 and the second upper clamp plate 402, the first lower clamp plate 403 connect shortly past bolt respectively
It connects, second lower clamp plate and the first lower clamp plate 403, the second upper clamp plate 402 are bolted respectively.
Specifically, further, the cable passage 404 has multiple, and 404 diameter of each cable passage is different, specifically
, told cable passage 404 is 3.
Specifically, support frame as described above 3 includes panel 31, connector 32 and bottom plate 33, the panel 31 and bottom plate 33 pass through
Connector 32 connects, and the bottom plate lower part is equipped with idler wheel 33.
Specifically, 1 lower part of strong current generator is equipped with idler wheel (diagram does not mark).
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (6)
1. a kind of cable body and transition joint interfacial pressure measure circuit, which is characterized in that including strong current generator, connection
Copper sheet, stub cable, transition joint, fastening clip for cable and support frame, the connection copper sheet be two groups, including first connection copper sheet and
The first end of second connection copper sheet, the first connection copper sheet and the second connection copper sheet is separately connected strong current generator output end
Two binding posts, the fastening clip for cable is two groups, including the first fastening clip for cable and the second fastening clip for cable, described first
The second end for connecting copper sheet connects the first fastening clip for cable, and the second end of the second connection copper sheet connects the second cable and fixes
Folder, the stub cable both ends are separately connected the first fastening clip for cable and the second fastening clip for cable, and the transition joint is located at short electricity
In the middle part of cable, support frame as described above is two groups, supports the first fastening clip for cable and the second fastening clip for cable respectively.
2. cable body according to claim 1 and transition joint interfacial pressure measure circuit, which is characterized in that stub cable
Length is between 1m~2m.
3. cable body according to claim 1 and transition joint interfacial pressure measure circuit, which is characterized in that the electricity
Cable fixing clamp includes two clamping plate groups, is first clamping plate group and second clamping plate group respectively, and the connection copper sheet is set to first clamping plate
Among group and second clamping plate group；The first clamping plate group include the first upper clamp plate and the first lower clamp plate, first upper clamp plate and
The end of first lower clamp plate connection is equipped with the semicircle orifice being mutually matched, and is formed after the first upper clamp plate and the combination of the first lower clamp plate round
Through-hole；The second clamping plate group includes the second upper clamp plate and the second lower clamp plate, and second upper clamp plate and the second lower clamp plate connect
End be equipped with the semicircle orifice that is mutually matched, form circular through hole after the second upper clamp plate and the combination of the second lower clamp plate；Described first
Cable passage is formed after the through-hole of clamping plate group and the through-hole combination of second clamping plate group.
4. cable body according to claim 3 and transition joint interfacial pressure measure circuit, which is characterized in that described the
One upper clamp plate, the second upper clamp plate, the first lower clamp plate and the second lower clamp plate end be equipped with bolt hole, first upper clamp plate and
Second upper clamp plate, the first lower clamp plate are bolted respectively, second lower clamp plate and the first lower clamp plate, the second upper clamp plate point
It is not bolted.
5. cable body according to claim 3 and transition joint interfacial pressure measure circuit, which is characterized in that the electricity
Cable channel has multiple, and each cable passage diameter is different.
6.-the 5 any cable bodies and transition joint interfacial pressure measure circuit according to claim 1, which is characterized in that
The strong current generator is equipped with idler wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474674.5U CN209559380U (en) | 2018-09-10 | 2018-09-10 | A kind of cable body and transition joint interfacial pressure measure circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474674.5U CN209559380U (en) | 2018-09-10 | 2018-09-10 | A kind of cable body and transition joint interfacial pressure measure circuit |
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| Publication Number | Publication Date |
|---|---|
| CN209559380U true CN209559380U (en) | 2019-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821474674.5U Active CN209559380U (en) | 2018-09-10 | 2018-09-10 | A kind of cable body and transition joint interfacial pressure measure circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097982A (en) * | 2020-09-15 | 2020-12-18 | 四川大学 | Method for measuring interface pressure of cable intermediate joint under action of electric field and temperature difference |
| CN113848516A (en) * | 2021-09-10 | 2021-12-28 | 深圳供电局有限公司 | Cable intermediate head detection device |
-
2018
- 2018-09-10 CN CN201821474674.5U patent/CN209559380U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097982A (en) * | 2020-09-15 | 2020-12-18 | 四川大学 | Method for measuring interface pressure of cable intermediate joint under action of electric field and temperature difference |
| CN113848516A (en) * | 2021-09-10 | 2021-12-28 | 深圳供电局有限公司 | Cable intermediate head detection device |
| CN113848516B (en) * | 2021-09-10 | 2024-03-12 | 深圳供电局有限公司 | Cable intermediate head detection device |
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