CN206710462U - Direct current cables test terminal device - Google Patents
Direct current cables test terminal device Download PDFInfo
- Publication number
- CN206710462U CN206710462U CN201720571964.0U CN201720571964U CN206710462U CN 206710462 U CN206710462 U CN 206710462U CN 201720571964 U CN201720571964 U CN 201720571964U CN 206710462 U CN206710462 U CN 206710462U
- Authority
- CN
- China
- Prior art keywords
- stress control
- direct current
- current cables
- insulating sleeve
- extension layer
- 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.)
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Abstract
Direct current cables test terminal device, it is related to direct current cables attachment technique research field, in order to solve the problems, such as that existing cable test terminal is expensive, repeatable Utilization ability is poor, poor practicability.Direct current cables axially penetrates through insulating sleeve, two flanges are fixed at the both ends of insulating sleeve, sealed between flange and direct current cables using seal, form sealed chamber, extension layer and the outer skeleton of Stress Control are in insulating sleeve in Stress Control, and be both secured on the flange of insulating sleeve one end, extension layer is closely surrounded on direct current cables in Stress Control, and the outer skeleton of Stress Control is closely surrounded in Stress Control on extension layer.The utility model is tested suitable for high voltage direct current cable.
Description
Technical field
It the utility model is related to direct current cables attachment technique research field.
Background technology
Today's society is to electrical energy demands sustainable growth so that high pressure, super-pressure even extra-high voltage direct-current cable transfer electric energy
More and more urgent, high voltage dc transmission technology is increasingly taken seriously.To grinding for the accessories apparatus in HVDC transmission system
It is an important topic to study carefully.Terminal installation for the experiment of high-voltage alternating cable can not directly carry out high voltage direct current cable experiment；
Prefabricated cable test terminal device one side preparation technology is complicated, expensive, and on the other hand repeatable Utilization ability is poor.It is right
In possess to a certain degree repeatable Utilization ability, for high voltage direct current cable experiment terminal system in 500kV voltages or thunder and lightning
Under pulse voltage effect, electric-field intensity distortion is serious at semiconductive shielding layer stripping, causes the destruction to terminal system.For height
Tested in 500kV high voltage direct current cables, it is still necessary to explore cheap, using flexible and the repeatable terminal system utilized.
Utility model content
Existing cable test terminal is expensive, repeatable Utilization ability is poor, poor practicability in order to solve for the utility model
The problem of, so as to provide direct current cables test terminal device.
Direct current cables test terminal device described in the utility model, including extension layer in insulating sleeve, Stress Control, should
Power controls outer skeleton, two flanges, two seals；
Direct current cables axially penetrates through insulating sleeve, and two flanges are fixed at the both ends of insulating sleeve, flange and direct current cables it
Between sealed using seal, form sealed chamber, in Stress Control extension layer and the outer skeleton of Stress Control in insulating sleeve, and
It is both secured on the flange of insulating sleeve one end, extension layer is closely surrounded on direct current cables in Stress Control, Stress Control dermoskeleton
Frame is closely surrounded in Stress Control on extension layer.
Preferably, extension layer is full skirt shape in Stress Control, and the main body of full skirt shape is covered in the outer skeleton of Stress Control
On inwall, the edge of full skirt shape is bent outwardly and is covered in the outer edge of the outer skeleton of Stress Control.
Preferably, extension layer and seal are fixed on flange by root fixings in the Stress Control.
Preferably, in addition to lumbar mount, lumbar mount are located at extension layer waist in Stress Control, and waist is fixed
Part is used to extension layer in Stress Control being fixed on the outer skeleton of control.
Preferably, dielectric is full of in insulating sleeve, dielectric is SF or silicone oil.
Preferably, extension layer is semi-conductive silicone rubber layer in Stress Control.
Preferably, in addition to two grading shields；Two grading shields are respectively outside the both ends of insulating sleeve, and fixed
On flange.
Preferably, in addition to device for regulating rotary, support frame, locomotive and retainer ring；
Device for regulating rotary is used for the gradient for adjusting insulating sleeve；
Fixing shrink ring is fixed on support frame on the outer wall of insulating sleeve on insulating sleeve by retainer ring, support frame
On locomotive.
Preferably, the outer skeleton of Stress Control is aluminum frame.
Compared with prior art, the utility model has the advantages that：
The stable of extension layer in Stress Control is supported 1. the outer skeleton of Stress Control can be formed so that the present apparatus is being installed
During stability it is stronger, electric field stress control effect is more stable.
2. according to the direct current cables size for carrying out HVDC TEST, extension layer in the Stress Control of different inner diameters is selected,
So that the application of high voltage direct current cable test terminal is significantly increased.
3. it is applied to extension layer in the Stress Control of different cable dimensions inside insulating sleeve so that high voltage direct current cable tries
Testing terminal replaceability significantly strengthens.
4th, device of the present utility model is repeatable utilizes, and material is cheap, has and is easily installed, debugs, and operates flexible special
Sign.
Brief description of the drawings
Fig. 1 is the axial sectional view of direct current cables test terminal device.
Fig. 2 is the structural representation that the structural separation in insulating sleeve is opened；
Fig. 3 is the dimensional structure diagram of direct current cables test terminal device；
Fig. 4 is a kind of structural representation of extension layer in Stress Control of size；
Fig. 5 is the structural representation of extension layer in the Stress Control of another size.
Embodiment
Embodiment one：Present embodiment, the direct current described in present embodiment are illustrated referring to figs. 1 to Fig. 5
Cable test terminal device includes outer 3, two, the skeleton flange 4, two of extension layer 2, Stress Control in insulating sleeve 1, Stress Control
Seal 5；
Direct current cables 7 axially penetrates through insulating sleeve 1, and two flanges 4, flange 4 and direct current are fixed in the both ends of insulating sleeve 1
Sealed between cable 7 using seal 5, formation sealed chamber, extension layer 2 and the outer skeleton 3 of Stress Control are insulating in Stress Control
In sleeve 1, and it is both secured on the flange 4 of the one end of insulating sleeve 1, extension layer 2 closely surrounds direct current cables 7 in Stress Control
On, the outer skeleton 3 of Stress Control is closely surrounded in Stress Control on extension layer 2.
Extension layer has different dimensional thickness in Stress Control, goes for different size high voltage direct current cables experiments and surveys
Examination.Flange is close to be used to close insulating sleeve 1 together with seal.
In present embodiment, extension layer 2 is full skirt shape in Stress Control, and the main body of full skirt shape is covered in Stress Control dermoskeleton
On the inwall of frame 3, the edge of full skirt shape is bent outwardly and is covered in the outer edge of the outer skeleton 3 of Stress Control.
The two is worked in coordination, and forms the stress wimble structure being similar to inside prefabricated high voltage direct current cable test terminal.
In present embodiment, extension layer 2 and seal 5 are fixed on flange 4 by root fixings 6 in Stress Control
On.
In present embodiment, in addition to lumbar mount 8, lumbar mount 8 is located in Stress Control extension layer 2 in
At portion, lumbar mount 8 is used to extension layer in Stress Control 2 being fixed on the outer skeleton 3 of control.
Extension layer in the Stress Control of suitable direct current cables size is assembled to outside Stress Control on skeleton, engagement process note
Extension layer and fixed stress control the lumbar mount and root fixings of outer skeleton in meaning alignment Stress Control.Lumbar mount
8 make the fixation of extension layer in Stress Control more stable.
In present embodiment, dielectric, dielectric SF are full of in insulating sleeve 14Or silicone oil.
Insulating sleeve 1 is provided with hand-hole and steam vent, injects dielectric by hand-hole.
In present embodiment, extension layer 2 is semi-conductive silicone rubber layer in Stress Control.
Semi-conductive silicone rubber semiconductive and non-swelling in silicone oil.
In present embodiment, in addition to two grading shields 9；Two grading shields 9 are respectively outside the both ends of insulating sleeve 1
Portion, and be fixed on flange 4.
In present embodiment, in addition to device for regulating rotary 10, support frame 11, locomotive 12 and retainer ring 13；
Device for regulating rotary 10 is used for the gradient for adjusting insulating sleeve 1；
Retainer ring 13 is enclosed on the outer wall of insulating sleeve 1, and support frame 11 is fixed on by retainer ring 13 on insulating sleeve 1
On, support frame 11 is on locomotive 12.
In present embodiment, the outer skeleton 3 of Stress Control is aluminum frame.
The outer skeleton of Stress Control is used to support extension layer in the softer Stress Control of material, and branch can not only be played using aluminum frame
The effect of support, and it is light.
During installation, skeleton outside Stress Control 3 is fixed on flange 4 by root fixings 6 first.
Then, according to extension layer in the size selection Stress Control of cable under test, in Stress Control extension layer be semiconductive,
The non-swelling silicone rubber material in silicone oil.Skeleton outside extension layer in Stress Control and Stress Control is coordinated and installed, and by answering
Power controls the lumbar mount 8 of outer skeleton waist to fix extension layer in Stress Control.For various sizes of high voltage direct current
Cable is tested, and can select extension layer in the Stress Control of different inner diameters size.
Next, flange is arranged on to the both ends of insulating sleeve.Equipped with containing and stress on the flange of insulating sleeve one end
The seal that extension layer coordinates in control.The sealing device coordinated with extension layer in Stress Control is equipped with root fixings, is used for
The base portion of extension layer in fixed stress control so that direct current cables insertion direct current cables test terminal internal procedure is more stable.
According to the length of high-voltage direct-current cable terminal and the structure determination direct current cables major insulation of Stress Control intramedullary expansion layer
Peel off position and the stripping position of semiconductive external shielding layer.Cut according to experiment needs.Outer semiconducting layer end is polished
It is sloping, it is seamlessly transitted with major insulation, and do not allow to remain with tool marks on semiconductive slope or exploit vestige, its surface should
It is smooth, it is not allow for pit or step.Uniformly smear silicone grease in cable surface, through grading shield by insertion direct current cables
Inside test terminal, and sealed by the seal at both ends, the grading shield at direct current cables test terminal both ends is finally installed.
Dielectric is injected into direct current cables test terminal finally by the hand-hole on insulating sleeve and steam vent
Portion, and close hand-hole and steam vent.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. direct current cables test terminal device, it is characterised in that including extension layer (2) in insulating sleeve (1), Stress Control, should
Power controls outer skeleton (3), two flanges (4), two seals (5)；
Direct current cables (7) axially penetrates through insulating sleeve (1), and two flanges (4) are fixed at the both ends of insulating sleeve (1), flange (4) with
Sealed between direct current cables (7) using seal (5), form sealed chamber, in Stress Control outside extension layer (2) and Stress Control
Skeleton (3) is both secured on the flange (4) of insulating sleeve (1) one end, extension layer in Stress Control in insulating sleeve (1)
(2) closely surround on direct current cables (7), the outer skeleton (3) of Stress Control is closely surrounded on extension layer in Stress Control (2).
2. direct current cables test terminal device according to claim 1, it is characterised in that extension layer in the Stress Control
(2) it is full skirt shape, the main body of full skirt shape is covered on the inwall of the outer skeleton (3) of Stress Control, and the edge of full skirt shape is bent outwardly
And it is covered in the outer edge of the outer skeleton (3) of Stress Control.
3. direct current cables test terminal device according to claim 1, it is characterised in that extension layer in the Stress Control
(2) it is fixed on seal (5) by root fixings (6) on flange (4).
4. direct current cables test terminal device according to claim 1, it is characterised in that also including lumbar mount (8),
Lumbar mount (8) is located at extension layer (2) waist in Stress Control, and lumbar mount (8) is used for extension layer in Stress Control
(2) it is fixed on the outer skeleton (3) of control.
5. direct current cables test terminal device according to claim 1, it is characterised in that filled in the insulating sleeve (1)
Full dielectric, dielectric SF4Or silicone oil.
6. direct current cables test terminal device according to claim 1, it is characterised in that extension layer in the Stress Control
(2) it is semi-conductive silicone rubber layer.
7. direct current cables test terminal device according to claim 4, it is characterised in that also including two grading shields (9)；
Two grading shields (9) are respectively outside the both ends of insulating sleeve (1), and be fixed on flange (4).
8. the direct current cables test terminal device according to claim 1,4 or 7, it is characterised in that also include rotating regulation
Device (10), support frame (11), locomotive (12) and retainer ring (13)；
Device for regulating rotary (10) is used for the gradient for adjusting insulating sleeve (1)；
Retainer ring (13) is enclosed on the outer wall of insulating sleeve (1), and support frame is fixed on by retainer ring (13) on insulating sleeve (1)
(11) on, support frame (11) is on locomotive (12).
9. direct current cables test terminal device according to claim 1, it is characterised in that the outer skeleton of the Stress Control
(3) it is aluminum frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720571964.0U CN206710462U (en) | 2017-05-22 | 2017-05-22 | Direct current cables test terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720571964.0U CN206710462U (en) | 2017-05-22 | 2017-05-22 | Direct current cables test terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206710462U true CN206710462U (en) | 2017-12-05 |
Family
ID=60462428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720571964.0U Expired - Fee Related CN206710462U (en) | 2017-05-22 | 2017-05-22 | Direct current cables test terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206710462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024103034A1 (en) * | 2022-11-11 | 2024-05-16 | Southwire Company, Llc | Cable testing |
-
2017
- 2017-05-22 CN CN201720571964.0U patent/CN206710462U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024103034A1 (en) * | 2022-11-11 | 2024-05-16 | Southwire Company, Llc | Cable testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180522 |