CN209150008U - A kind of extra-high voltage vacuum insulation arrangement - Google Patents
A kind of extra-high voltage vacuum insulation arrangement Download PDFInfo
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- CN209150008U CN209150008U CN201821731570.8U CN201821731570U CN209150008U CN 209150008 U CN209150008 U CN 209150008U CN 201821731570 U CN201821731570 U CN 201821731570U CN 209150008 U CN209150008 U CN 209150008U
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Abstract
The utility model discloses a kind of extra-high voltage vacuum insulation arrangements, including the first insulation chamber, the second insulation chamber, telescopic insulating chamber, ground line and high-voltage line, the first insulation chamber, telescopic insulating chamber, the second insulation chamber are from left to right sequentially communicated and form vacuum insulation room, collapsing length is adjusted in telescopic insulating chamber, it is grounded left end and is located at the first insulation exterior thereto, ground line right end is fixedly arranged on the first insulation chamber interior, high-voltage line left end is fixedly arranged on the second insulation chamber interior, and high-voltage line right end is located at the second insulation exterior thereto；The utility model adds the telescopic insulating chamber of adjustable collapsing length, adapts to different insulation voltages to change the left and right relative distance between ground line and high-voltage line to change the left and right relative distance between the first insulation chamber and the second insulation chamber.
Description
Technical field
The utility model belongs to vacuum insulation arrangement technical field, is specifically related to a kind of extra-high voltage vacuum insulation dress
It sets.
Background technique
For the bipolar electrode structure of vacuum equipment, since gas molecule quantity is few in vacuum environment, even if electrode
Electronics present in gap flies to another electrode from an electrode high speed under electric field action, also seldom has an opportunity and gas point
Son collision, therefore, the probability that avalanche type electrical breakdown occurs for bipolar electrode structure is extremely low；But the electrode in vacuum equipment can also occur
Field emission phenomenon that the reason of puncture'ing between electrode, leading to electrical breakdown between electrode usually extra-high voltage causes, micro discharge phenomenon,
Or particle phenomenon.
A kind of Chinese invention patent " extra-high voltage vacuum insulation arrangement " (publication number: 105679596A；Publication date: 2016
On June 15) in disclose a kind of extra-high voltage vacuum insulation arrangement, wherein vacuum chamber be divided into the first vacuum chamber and
One end of second vacuum chamber, one end of the first vacuum chamber and the second vacuum chamber communicates；The other end of first vacuum chamber
It is provided with ground connection end interface；The other end of second vacuum chamber is provided with high pressure end interface；And it is ground line access first is true
High-voltage line is accessed the second vacuum chamber by plenum chamber；In addition, the first vacuum chamber, the second vacuum chamber, ground connection end interface, height
Pressure side interface, high-voltage line appearance all use insulating materials, and in the second vacuum chamber, and high-voltage line corresponds to chamber inner wall setting
There is insulating coating, high-voltage electricity can be effectively avoided and generate electric arc in seal, effectively guarantee the insulating properties of the device
Energy and service life；By analysis it is found that since vacuum chamber is fixed structure, size is unadjustable, leads to high-voltage line and ground connection
The distance between line is unadjustable, is not available in different insulation voltages, and therefore, which makes
It is greatly limited with occasion.
Summary of the invention
In view of this, being stretched the purpose of this utility model is to provide a kind of extra-high voltage vacuum insulation arrangement by adding
Contracting insulation chamber, adjusts vacuum insulation room entire length, thus change the left and right relative distance between ground line and high-voltage line, from
And adapt to different insulation voltages.
In order to achieve the above object, a kind of extra-high voltage vacuum insulation arrangement of the utility model, including the first insulation chamber,
Second insulation chamber, telescopic insulating chamber, ground line and high-voltage line, the first insulation chamber, telescopic insulating chamber, second are absolutely
Edge chamber is from left to right sequentially communicated and is formed vacuum insulation room, and collapsing length is adjusted in telescopic insulating chamber, is grounded left end
Positioned at the first insulation exterior thereto, ground line right end is fixedly arranged on the first insulation chamber interior, and high-voltage line left end is fixedly arranged on second absolutely
Edge chamber interior, high-voltage line right end are located at the second insulation exterior thereto.
Further, the telescopic insulating chamber includes bellows, screw rod and lock-screw, bellows left and right ends respectively with
First insulation chamber, the second insulation chamber flanged joint, the first insulation exterior thereto are equipped with the first protrusion, and the first convex surfaces are set
The locking screw pit for having tapped through hole and being connected to tapped through hole, screw rod left end are spirally connected with tapped through hole, peace in locking screw pit
Equipped with the lock-screw for locking screw, the second insulation exterior thereto is equipped with the second protrusion, and screw rod right end passes through pivoting support
It is connected with the second protrusion rotation.
Further, the bellows surface is equipped with insulating coating.
It further, further include the first insulating sleeve and the second insulating sleeve, the first insulating sleeve movable set is in bellows
Inside, the first insulating sleeve left end fixing sleeve is loaded on the first insulation chamber interior, and the first insulating sleeve right end movable set is in the
Outside two insulating sleeve left ends, the second insulating sleeve right end fixing sleeve is loaded on the second insulation chamber interior.
Further, the first insulating sleeve left end is fixedly arranged on the first insulation chamber left end, and ground line right end is located at the first insulation
Sleeve inner, the second insulating sleeve right end are fixedly arranged on the second insulation chamber right end, and high-voltage line left end is located in the second insulating sleeve
Portion.
Further, first insulating sleeve and the second insulating sleeve are insulating materials.
Further, first insulation chamber left end, which is equipped with, vacuumizes interface, vacuumizes in interface and the first insulating sleeve
Portion's connection.
Further, first insulation chamber left end is equipped with the first through hole that passes through for being grounded right end, ground line with
The first insulated enclosure circle is arranged between first through hole, the second insulation chamber right end is equipped with second passed through for high-voltage line and leads to
Hole is arranged with the second insulated enclosure circle between high-voltage line and the second through-hole.
The utility model has the beneficial effects that:
1. a kind of extra-high voltage vacuum insulation arrangement of the utility model can adapt to different insulation voltages, better meet
Actual use demand；Here, telescopic insulating chamber is set between the first insulation chamber and the second insulation chamber, due to telescopic insulating
Collapsing length is adjusted in chamber, so that the left and right relative distance between the first insulation chamber and the second insulation chamber changes,
Left and right relative distance to change between ground line and high-voltage line avoids to adapt to different insulation voltages due to voltage
Excessively high and high-voltage line and ground line hypotelorism cause electric arc to lead to the problem of.
2. telescopic insulating chamber described in a kind of extra-high voltage vacuum insulation arrangement of the utility model include bellows, screw rod and
Lock-screw；Here, bellows has intensity height, folding characteristic, and whole length is adjusted by bellows, bellows
Length is fixed by screw rod and lock-screw；On this basis, the gap shape between the first insulating sleeve and the second insulating sleeve
At insulated channel, it is equivalent to and forms insulating layer in bellows inside surface.
3. a kind of extra-high voltage vacuum insulation arrangement of the utility model further increases whole insulation performance；Due to first
Insulating sleeve left end is fixedly arranged on the first insulation chamber left end, i.e. the first insulating sleeve is coated on the first insulation chamber interior, at this point,
First insulating sleeve itself forms insulating layer in the first insulation chamber interior；Similarly, second insulating sleeve itself is in the second insulation
Chamber interior forms insulating layer.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is a kind of front section view of extra-high voltage vacuum insulation arrangement of the utility model；
Fig. 2 is a kind of left side view of extra-high voltage vacuum insulation arrangement of the utility model.
Appended drawing reference: the insulation chamber of 1- first；The insulation chamber of 2- second；3- telescopic insulating chamber；4- ground line；5- high pressure
Line；The first insulating sleeve of 6-；The second insulating sleeve of 7-；The first protrusion of 11-；12- vacuumizes interface；The second protrusion of 21-；31- wave
Line pipe；32- screw rod；33- lock-screw.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
As shown in Figure 1 to Figure 2；A kind of extra-high voltage vacuum insulation arrangement of the utility model, including the first insulation chamber 1,
Second insulation chamber 2, telescopic insulating chamber 3, ground line 4 and high-voltage line 5；First insulation chamber 1, telescopic insulating chamber 3, second
Insulation chamber 2 is from left to right sequentially communicated and forms vacuum insulation room；Collapsing length is adjusted in telescopic insulating chamber 3；Ground line 4
Left end is located at outside the first insulation chamber 1, and 4 right ends of ground line are fixedly arranged on inside the first insulation chamber 1；5 left end of high-voltage line is fixed
Inside the second insulation chamber 2,5 right end of high-voltage line is located at outside the second insulation chamber 2.
Collapsing length is adjusted in telescopic insulating chamber 3, so that the left side between the first insulation chamber 1 and the second insulation chamber 2
Right relative distance changes, to change the left and right relative distance between ground line 4 and high-voltage line 5, to adapt to different
Insulation voltage, avoids the problem that due to overtension and high-voltage line 5 and 4 hypotelorisms of ground line cause electric arc to generate.
Preferably, telescopic insulating chamber 3 includes bellows 31, screw rod 32 and lock-screw 33,31 left and right ends of bellows
Insulate with the first insulation chamber 1, second 2 flanged joint of chamber respectively, is equipped with the first protrusion 11 outside the first insulation chamber 1, the
The locking screw pit that one raised 11 surfaces are equipped with tapped through hole and are connected to tapped through hole, 32 left end of screw rod and tapped through hole spiral shell
It connects, the lock-screw 33 for locking screw 32 is installed in locking screw pit, it is convex to be equipped with second outside the second insulation chamber 2
21 are played, 32 right end of screw rod is connected by pivoting support and 21 rotation of the second protrusion；Here, it can coat and insulate on 31 surface of bellows
Polytetrafluorethylecoatings coatings can be used in coating；Bellows 31 uses SUS316 model stainless steel.
By rotary screw 32, change the length that screw rod 32 passes through tapped through hole so that the first insulation chamber 1 relative to
Second insulation chamber 2 move left and right, thus change first insulation chamber 1 and second insulation chamber 2 between left and right it is opposite away from
From, and pass through the position of 33 locking screw 32 of lock-screw.
On this basis, present embodiment further includes the first insulating sleeve 6 and the second insulating sleeve 7, the first insulating sleeve 6
Movable set is inside bellows 31, and 6 left end fixing sleeve of the first insulating sleeve is loaded on inside the first insulation chamber 1, the first insulation
6 right end movable set of sleeve is outside 7 left end of the second insulating sleeve, and 7 right end fixing sleeve of the second insulating sleeve is loaded on the second insulation
Inside chamber 2.
On the basis of 31 surface of bellows coats insulating coating, between the first insulating sleeve 6 and the second insulating sleeve 7
Gap form insulated channel, form secondary insulating in 31 inner surface of bellows as shown in Figure 1, being equivalent to, increase flexible exhausted
The insulating properties of edge chamber 3.
Here, 6 left end of the first insulating sleeve is fixedly arranged on 1 left end of the first insulation chamber, and 4 right ends of ground line are located at the first insulation
Inside sleeve 6,7 right end of the second insulating sleeve is fixedly arranged on 2 right end of the second insulation chamber, and 5 left end of high-voltage line is located at the second insulation sleeve
Inside cylinder 7；First insulating sleeve 6 and the second insulating sleeve 7 are insulating materials.
A variety of, such as polytetrafluoroethylene (PTFE), glass-ceramic etc., here, this implementation actually also can be used in insulating materials
Insulating materials preferably polytetrafluoroethylene described in mode.
Here, the first insulation 1 left end of chamber, which is equipped with, vacuumizes interface 12, vacuumizes in interface 12 and the first insulating sleeve 6
Portion's connection.
Preferably, the first insulation 1 left end of chamber is equipped with for be grounded the first through hole that 4 right ends pass through, and is grounded 4 and the
The first insulated enclosure circle is arranged between one through-hole, the second insulation 2 right end of chamber is equipped with second passed through for high-voltage line 5 and leads to
Hole is arranged with the second insulated enclosure circle between high-voltage line 5 and the second through-hole.
The leakproofness for guaranteeing the first insulation chamber 1 by the first insulated enclosure circle and being grounded 4 junctions, absolutely by second
Edge sealing ring guarantees the leakproofness of the second insulation chamber 2 and 5 junction of high-voltage line, advantageously ensures that in vacuum insulation room the true of ground
The acquisition of reciprocal of duty cycle；First insulated enclosure circle and the second insulated enclosure loop material are all made of polytetrafluoroethylene (PTFE).
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (8)
1. a kind of extra-high voltage vacuum insulation arrangement, it is characterised in that: including the first insulation chamber, the second insulation chamber, stretch
Insulate chamber, ground line and high-voltage line, the first insulation chamber, telescopic insulating chamber, the second insulation chamber from left to right according to
Secondary connection simultaneously forms vacuum insulation room, and collapsing length is adjusted in telescopic insulating chamber, and ground line left end is located at the first insulation chamber
Outside, ground line right end are fixedly arranged on the first insulation chamber interior, and high-voltage line left end is fixedly arranged on the second insulation chamber interior, high-voltage line
Right end is located at the second insulation exterior thereto.
2. a kind of extra-high voltage vacuum insulation arrangement as described in claim 1, it is characterised in that: the telescopic insulating chamber packet
Bellows, screw rod and lock-screw are included, bellows left and right ends connect with the first insulation chamber, the second insulation chamber flange respectively
It connects, the first insulation exterior thereto is equipped with the first protrusion, the lock that the first convex surfaces are equipped with tapped through hole and are connected to tapped through hole
Tight threaded hole, screw rod left end are spirally connected with tapped through hole, are equipped with the lock-screw for locking screw in locking screw pit, and second
The exterior thereto that insulate is equipped with the second protrusion, and screw rod right end is connected by pivoting support and the second protrusion rotation.
3. a kind of extra-high voltage vacuum insulation arrangement as claimed in claim 2, it is characterised in that: the bellows surface is equipped with
Insulating coating.
4. a kind of extra-high voltage vacuum insulation arrangement as claimed in claim 2 or claim 3, it is characterised in that: further include the first insulation
Sleeve and the second insulating sleeve, the first insulating sleeve movable set is in bellows interior, the fixed suit in the first insulating sleeve left end
In the first insulation chamber interior, the first insulating sleeve right end movable set is outside the second insulating sleeve left end, the second insulation sleeve
Cylinder right end fixing sleeve is loaded on the second insulation chamber interior.
5. a kind of extra-high voltage vacuum insulation arrangement as claimed in claim 4, it is characterised in that: the first insulating sleeve left end is solid
Set on the first insulation chamber left end, ground line right end is located inside the first insulating sleeve, and the second insulating sleeve right end is fixedly arranged on the
Two insulation chamber right ends, high-voltage line left end is located inside the second insulating sleeve.
6. a kind of extra-high voltage vacuum insulation arrangement as claimed in claim 4, it is characterised in that: first insulating sleeve and
Second insulating sleeve is insulating materials.
7. a kind of extra-high voltage vacuum insulation arrangement as claimed in claim 4, it is characterised in that: the first insulation chamber is left
End is equipped with and vacuumizes interface, vacuumizes and is connected to inside interface and the first insulating sleeve.
8. a kind of extra-high voltage vacuum insulation arrangement as claimed in claim 1 or 2, it is characterised in that: first insulated cavity
Room left end is equipped with the first through hole passed through for being grounded right end, is arranged with the first insulated enclosure between ground line and first through hole
Circle, the second insulation chamber right end are equipped with the second through-hole passed through for high-voltage line, and the is arranged between high-voltage line and the second through-hole
Two insulated enclosure circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731570.8U CN209150008U (en) | 2018-10-24 | 2018-10-24 | A kind of extra-high voltage vacuum insulation arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731570.8U CN209150008U (en) | 2018-10-24 | 2018-10-24 | A kind of extra-high voltage vacuum insulation arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209150008U true CN209150008U (en) | 2019-07-23 |
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ID=67270765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821731570.8U Active CN209150008U (en) | 2018-10-24 | 2018-10-24 | A kind of extra-high voltage vacuum insulation arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209150008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828229A (en) * | 2019-11-13 | 2020-02-21 | 深圳市凯合达智能设备有限公司 | Vacuum switch tube convenient to adjust connecting rod length |
-
2018
- 2018-10-24 CN CN201821731570.8U patent/CN209150008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828229A (en) * | 2019-11-13 | 2020-02-21 | 深圳市凯合达智能设备有限公司 | Vacuum switch tube convenient to adjust connecting rod length |
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