CN206947244U - A kind of vacuum switch tube and vacuum switch - Google Patents
A kind of vacuum switch tube and vacuum switch Download PDFInfo
- Publication number
- CN206947244U CN206947244U CN201720584914.6U CN201720584914U CN206947244U CN 206947244 U CN206947244 U CN 206947244U CN 201720584914 U CN201720584914 U CN 201720584914U CN 206947244 U CN206947244 U CN 206947244U
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- conducting rod
- vacuum switch
- bellows
- end cap
- vacuum
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Abstract
The utility model discloses a kind of vacuum switch tube and vacuum switch, belong to technical field of vacuum switches, designed to solve the problems such as existing structure proof voltage ability.The utility model vacuum switch tube includes insulation crust, the first end cap, the second end cap, the first conducting rod, the second conducting rod and insulating bar；First end cap and the second end cap are separately positioned on the both ends of insulation crust, first conducting rod activity is located in first end and covered, second conducting rod is located on the second end cap, the inner of first conducting rod is provided with the first contact, the inner of second conducting rod is provided with the second contact, and vacuum fracture is formed between the first contact and the second contact；Insulating bar is arranged in the first conducting rod and the second conducting rod, and the first end of insulating bar is connected to the first conducting rod, the second end for being connected with the moving conductive rod of other vacuum switch tubes.Multiple vacuum fractures can be achieved by a set of operating mechanism in the utility model to be closed at, taking small volume, proof voltage can be good.
Description
Technical field
It the utility model is related to technical field of vacuum switches, more particularly to a kind of vacuum switch tube and be provided with the vacuum
The vacuum switch of switching tube.
Background technology
In power distribution network, the switchgear for playing control or defencive function is the visual plant necessarily applied in circuit, and it rises
The effect for closing, cut-offfing circuit.In recent years, due to vacuum switch performance advantage (strong breaking capacity, environmental protection without blast endanger
Danger, contact gap be small, high electric life etc.) clearly, it has occupied overwhelming status in the application in middle pressure field.
The core component of vacuum switch is the vacuum switch tube in housing.The structure of existing conventional vacuum switching tube is as schemed
Shown in 1, including insulation crust 1, the first end cap 2, the second end cap 3, the first conducting rod 4, the second conducting rod 5, the first bellows 14
With the first bellows shield cover 15；Associated components are connected and sealed each other, form the vacuum cavity of a closing.Specifically,
First end cap 2 and the second end cap 3 are separately positioned on the both ends of insulation crust 1, and the activity of the first conducting rod 4 is located in the first end cap 2
On, the second conducting rod 5 is fixed and is located on the second end cap 3, and the inner of the first conducting rod 4 is provided with the first contact 6, and second is conductive
The inner of bar 5 is provided with the second contact 7, and vacuum fracture is formed between the first contact 6 and the second contact 7；First bellows 14 is arranged
The first end cap 2 is connected in the outside of the first conducting rod 4 and the first bellows 14, the outside of the first bellows 14 is provided with the first ripple
Tube shield cover 15.The first conducting rod 4 can move back and forth along the axis of insulation crust 1 in the presence of operating mechanism, realize
The conjunction transfer of first contact 6 and the second contact 7 is made, so as to realize the conjunction of vacuum switch point operation.
But there is following defect in prior art：A single-phase vacuum switch tube can only be realized by an operating mechanism
A point operation is closed, consequently only that single vacuum fracture, and the proof voltage ability of single vacuum fracture has certain limitations, between dynamic/static contact
After increase to a certain degree, the voltage born will not significantly improve.Therefore, if system recovers voltage height or used in high voltage field
Close, conventional vacuum switching tube can run into bigger difficulty, and multiple vacuum switches of contacting can effectively solve this problem, but more than two
Vacuum switch is contacted, and can dramatically increase cost and the space occupied.
Utility model content
A purpose of the present utility model is to propose a kind of to realize multiple vacuum fractures by an operating mechanism
Folding, the proof voltage energy that vacuum switch can be improved and the vacuum switch tube for taking small volume.
Another purpose of the present utility model is to propose a kind of vacuum switch for including above-mentioned vacuum switch tube.
For up to this purpose, on the one hand, the utility model uses following technical scheme：
A kind of vacuum switch tube, including insulation crust, the first end cap, the second end cap, the first conducting rod, the second conducting rod with
And insulating bar；First end cap and second end cap are separately positioned on the both ends of the insulation crust, and described first is conductive
Bar activity is located in first end and covered, and second conducting rod is located on second end cap, first conducting rod it is interior
End is provided with the first contact, and the inner of second conducting rod is provided with the second contact, and first contact and described second touch
Vacuum fracture is formed between head；The insulating bar is arranged in first conducting rod and second conducting rod, the insulating bar
First end be connected to first conducting rod, the second end be used for be connected with the moving conductive rod of other vacuum switch tubes.
Further, the second end of the insulating bar is provided with the second connector, and the insulating bar connects by described second
Fitting is connected with the moving conductive rod of other vacuum switch tubes.
Further, the second bellows being connected with second conducting rod is embedded with second conducting rod, it is described
Second connector is connected by being arranged at the second bellows shield cover on the outside of second bellows with second bellows.
Further, it is embedded with the 3rd bellows shield cover between second conducting rod and the insulating bar, described
Two bellowss are connected by the 3rd bellows shield cover with second conducting rod, and the 3rd bellows shield cover is remote
One end of second bellows extends to and all the time in first conducting rod inner side.
Further, the insulating bar is connected by the first connector with first conducting rod.
Further, the first conducting rod outer sheath is provided with the first bellows, and first bellows is connected to described
First end cap, the first bellows outside are provided with the first bellows shield cover.
Further, guide sleeve is embedded between first bellows and first conducting rod, the guide sleeve is consolidated
Covered located at the first end.
Further, intershield cover is provided with the insulation crust, the intershield cover is located on described first
On the outside of contact and second contact.
Further, the insulating bar is made up of alumina material.
On the other hand, the utility model uses following technical scheme：
A kind of vacuum switch, including operating mechanism and the vacuum switch tube described in any of the above-described, described in any of the above-described
The first conducting rod of vacuum switch tube be connected with the operating mechanism.
The beneficial effects of the utility model are as follows：
Vacuum switch tube provided by the utility model, can be by insulating bar by vacuum switch tube provided by the utility model
The first conducting rod (moving conductive rod) be connected with the moving conductive rod of other vacuum switch tubes, so as to realize the string of multiple vacuum fractures
Even, drive multiple vacuum fractures to carry out folding simultaneously by a set of operating mechanism, take small volume and significantly improve vacuum switch
Proof voltage energy, be equally applicable to higher voltage occasion.
Vacuum switch provided by the utility model, as a result of above-mentioned vacuum switch tube, it is possible to achieve multiple vacuum are broken
The concatenation of mouth, its proof voltage energy is good, is applicable to higher voltage occasion, and takes small volume.
Brief description of the drawings
Fig. 1 is the structural representation of existing vacuum switch tube；
Fig. 2 is the structural representation that the vacuum switch tube that the utility model preferred embodiment one provides is in "on" position；
Fig. 3 is the structural representation that the vacuum switch tube that the utility model preferred embodiment one provides is in state of opening a sluice gate.
In figure：
1st, insulation crust；2nd, the first end cap；3rd, the second end cap；4th, the first conducting rod；5th, the second conducting rod；6th, first touch
Head；7th, the second contact；8th, insulating bar；9th, the first connector；10th, the second connector；11st, the second bellows；12nd, the second bellows
Radome；13rd, the 3rd bellows shield cover；14th, the first bellows；15th, the first bellows shield cover；16th, guide sleeve；17th, in
Between radome；18th, first end radome；19th, the second end radome.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment one：
As shown in Figures 2 and 3, present embodiments provide a kind of vacuum switch tube, including insulation crust 1, the first end cap 2,
Second end cap 3, the first conducting rod 4, the second conducting rod 5 and insulating bar 8；First end cap 2 and the second end cap 3 are separately positioned on absolutely
The both ends of edge shell 1, specifically, the first end cap 2 and the second end cap 3 are tightly connected with insulation crust 1 respectively, the first conducting rod 4
Activity is located on the first end cap 2, and the second conducting rod 5 is fixed to be located on the second end cap 3 and (that is, led in the present embodiment by first
Electric pole 4 be set to moving conductive rod, its be connected to the operating mechanism of vacuum switch, the second conducting rod 5 is set to static conductive rod), first leads
The inner (the inner of the first conducting rod 4 refers to one end that the first conducting rod 4 is located in insulation crust 1) of electric pole 4 is provided with first and touched
First 6, the inner (the inner of the second conducting rod 5 refers to one end that the second conducting rod 5 is located in insulation crust 1) of the second conducting rod 5 is set
The second contact 7 is equipped with, vacuum fracture is formed between the first contact 6 and the second contact 7；Insulating bar 8 is arranged in the first conducting rod 4 and
In two conducting rods 5, the first end of insulating bar 8 is connected to the first conducting rod 4, the second end for being led with the dynamic of other vacuum switch tubes
Electric pole connects.Other described vacuum switch tubes can be the vacuum switch tubular construction identical vacuum switch provided with the present embodiment
The vacuum switch tube of pipe or existing structure.
The vacuum switch tube provided in the present embodiment, be provided be arranged in it is exhausted in the first conducting rod 4 and the second conducting rod 5
Edge bar 8, the first conducting rod 4 for being provided the present embodiment by the insulating bar 8 are connected with the moving conductive rod of other vacuum switch tubes,
Vacuum switch tube so as to which multiple the present embodiment are provided is assembled into an entirety or the vacuum for providing a present embodiment
The vacuum switch tube of switching tube and existing structure is assembled into an entirety, realizes the series winding of multiple vacuum fractures, works as the present embodiment
When the vacuum switch tube of offer is located at bottom, first of the vacuum switch tube in the present embodiment is driven by a set of operating mechanism
Conducting rod 4 can drive the moving conductive rod for the vacuum switch tube for being connected in top simultaneously, realize multiple vacuum fractures while carry out
Folding, take small volume and significantly improve the proof voltage energy of vacuum switch, be equally applicable to higher voltage occasion.
In the present embodiment, the second end of insulating bar 8 does not have with the connected mode of the moving conductive rod of other vacuum switch tubes
Body limits, but for the ease of connection, it is preferable that the second end of insulating bar 8 is provided with the second connector 10, and insulating bar 8 passes through the
Two connectors 10 are connected with the moving conductive rod of other vacuum switch tubes.Second end of insulating bar 8 and the connection of the second connector 10
Mode is not specifically limited, it is possible to achieve the two is fastenedly connected, such as welds.Second connector 10 is opened with other vacuum
The connected mode for closing the moving conductive rod of pipe is not specifically limited, it is possible to achieve the two is fastenedly connected, such as is threadedly coupled.
In the present embodiment, preferably, the second ripple being connected with the second conducting rod 5 is embedded with the second conducting rod 5
Line pipe 11, the second connector 10 is by being arranged at the second bellows shield cover 12 and the second bellows in the outside of the second bellows 11
11 connections.Specifically, the second bellows shield cover 12 is arranged on the one end of the second bellows 11 away from the first conducting rod 4；The
Two connectors 10 are welded to connect with the second bellows shield cover 12.Second bellows 11 contributes to vacuum fracture to be formed in separating brake
Diffused vacuum arc, beneficial to arc extinguishing.
In the present embodiment, preferably, the 3rd bellows shield is embedded between the second conducting rod 5 and insulating bar 8
Cover 13, the second bellows 11 is connected by the 3rd bellows shield cover 13 with the second conducting rod 5, and the 3rd bellows shield cover 13 is remote
One end from the second bellows 11 extends to and all the time in the inner side of the first conducting rod 4.3rd bellows shield cover 13 can shield
Pollution of the contact gap electric arc to insulating bar 8 is covered, keeps its insulating properties.
In the present embodiment, the first end of insulating bar 8 and the connected mode of the first conducting rod 4 are not specifically limited, but in order to
It is easy to connect, insulating bar 8 is connected by the first connector 9 with the first conducting rod 4.The connection side of the connector 9 of insulating bar 8 and first
Formula is not specifically limited, it is possible to achieve the two is fastenedly connected, such as welds；First connector 9 and the first conducting rod 4
Connected mode is not specifically limited, it is possible to achieve the two is fastenedly connected, for example, threaded connection.
In the present embodiment, preferably, the outer sheath of the first conducting rod 4 is provided with the first bellows 14, the first bellows
14 are connected to the first end cap 2, and the outside of the first bellows 14 is provided with the first bellows shield cover 15.First bellows 14 contributes to
The dynamic sealing of insulation crust 1 when first conducting rod 4 moves, and can increased portion split flow amount, and contribute to vacuum in separating brake
Fracture forms diffused vacuum arc, beneficial to arc extinguishing.
In the present embodiment, preferably, guide sleeve 16 is embedded between the first bellows 14 and the first conducting rod 4,
Guide sleeve 16 is fixedly arranged on the first end cap 2.Guide sleeve 16 is used to ensure that the first conducting rod 4 can be along in divide-shut brake motion process
The axis of insulation crust 1 moves along a straight line；Meanwhile guide sleeve 16 can also prevent the current distributing of galvanic circle to the first bellows
On 14, so as to influence the service life of vacuum switch tube.
In the present embodiment, preferably, intershield cover 17, the ring of intershield cover 17 are provided with insulation crust 1
Located at the first contact 6 and the outside of the second contact 7, i.e. the ring of intershield cover 17 is located on the outside of vacuum fracture.The energy of intershield cover 17
Enough mitigate the dirt of caused metallic vapour and drop to the inwall of insulation crust 1 during arcing of the first contact 6 and the second contact 7
Dye, so as to avoid the dielectric strength of insulation crust 1 from declining；Intershield cover 17 can also absorb a part of arc energy, cooling
Electric arc product, be advantageous to medium recovery speed between raising contact, improve the stability of vacuum switch tube.Intershield cover 17
It is preferred that but it is not limited to be made up of materials such as stainless steel, oxygen-free copper or chromiumcoppers.
In the present embodiment, preferably, insulating bar 8 is made up of resistant to elevated temperatures alumina material.The resistance to height of aluminum oxide
Warm degree can be selected according to specific needs.
In the present embodiment, preferably, the be sheathed on outside the first bellows 14 is provided with the inner side of the first end cap 2
One end radome 18；The second end radome 19 being sheathed on outside the second conducting rod 5 is provided with the inner side of the second end cap 3.
The vacuum switch tube of the present embodiment offer is introduced briefly below applied to the course of work in vacuum switch：
When vacuum switch needs to close a floodgate, the operating mechanism of vacuum switch drives the vacuum switch tube of the present embodiment offer
First conducting rod 4 is contacted up to the first contact 6 with the second contact 7 to move close to the direction of the second conducting rod 5, at the same time,
Insulating bar 8 transports work(to the direction of other vacuum switch tubes above the vacuum switch tube provided positioned at the present embodiment, so as to
Insulating bar 8 promotes the moving conductive rod motion of other vacuum switch tubes, so as to realize multiple vacuum switches by an operating mechanism
Control.
It is opposite with said process when vacuum switch needs to open a sluice gate.
Preferred embodiment two：
This preferred embodiment provides a kind of vacuum switch, and it includes operating mechanism and true as described in preferred embodiment one
Empty switching tube, the first conducting rod 4 of the vacuum switch tube as described in preferred embodiment one are connected with the operating mechanism.As preferably
Vacuum switch tube described in embodiment one is also serially connected with least one other vacuum contact tube.
The vacuum switch that the present embodiment provides, as a result of above-mentioned vacuum switch tube, it is possible to achieve multiple vacuum fractures
Concatenation, its proof voltage can it is good, be applicable to higher voltage occasion, and take small volume.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of vacuum switch tube, it is characterised in that including insulation crust (1), the first end cap (2), the second end cap (3), first
Conducting rod (4), the second conducting rod (5) and insulating bar (8)；
First end cap (2) and second end cap (3) are separately positioned on the both ends of the insulation crust (1), and described first
Conducting rod (4) activity is located on the first end cap (2), and second conducting rod (5) is located on second end cap (3), institute
The inner for stating the first conducting rod (4) is provided with the first contact (6), and the inner of second conducting rod (5) is provided with the second contact
(7) vacuum fracture, is formed between first contact (6) and second contact (7)；
The insulating bar (8) is arranged in first conducting rod (4) and second conducting rod (5), the insulating bar (8)
First end is connected to first conducting rod (4), the second end is used to be connected with the moving conductive rod of other vacuum switch tubes.
2. vacuum switch tube according to claim 1, it is characterised in that the second end of the insulating bar (8) is provided with
Two connectors (10), the insulating bar (8) are connected by the moving conductive rod of second connector (10) and other vacuum switch tubes
Connect.
3. vacuum switch tube according to claim 2, it is characterised in that be embedded with second conducting rod (5) and institute
The second bellows (11) of the second conducting rod (5) connection is stated, second connector (10) is by being arranged at second ripple
The second bellows shield cover (12) on the outside of pipe (11) is connected with second bellows (11).
4. vacuum switch tube according to claim 3, it is characterised in that second conducting rod (5) and the insulating bar
(8) the 3rd bellows shield cover (13) is embedded between, second bellows (11) passes through the 3rd bellows shield cover
(13) it is connected with second conducting rod (5), remote second bellows (11) of the 3rd bellows shield cover (13)
One end extends to and all the time in first conducting rod (4) inner side.
5. according to the vacuum switch tube described in any one of Claims 1-4, it is characterised in that the insulating bar (8) passes through first
Connector (9) is connected with first conducting rod (4).
6. according to the vacuum switch tube described in any one of Claims 1-4, it is characterised in that on the outside of first conducting rod (4)
The first bellows (14) is arranged with, first bellows (14) is connected to first end cap (2), first bellows
(14) outside is provided with the first bellows shield cover (15).
7. vacuum switch tube according to claim 6, it is characterised in that first bellows (14) is led with described first
Guide sleeve (16) is embedded between electric pole (4), the guide sleeve (16) is fixedly arranged on first end cap (2).
8. according to the vacuum switch tube described in any one of Claims 1-4, it is characterised in that set in the insulation crust (1)
There is intershield cover (17), the intershield cover (17) is located on first contact (6) and second contact (7) outside
Side.
9. according to the vacuum switch tube described in any one of Claims 1-4, it is characterised in that the insulating bar (8) is by aluminum oxide
Material is made.
10. a kind of vacuum switch, it is characterised in that the vacuum including operating mechanism and as described in any one of claim 1 to 9 is opened
Guan Guan, the first conducting rod (4) of the vacuum switch tube as described in any one of claim 1 to 9 are connected with the operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584914.6U CN206947244U (en) | 2017-05-24 | 2017-05-24 | A kind of vacuum switch tube and vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584914.6U CN206947244U (en) | 2017-05-24 | 2017-05-24 | A kind of vacuum switch tube and vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206947244U true CN206947244U (en) | 2018-01-30 |
Family
ID=61361178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720584914.6U Withdrawn - After Issue CN206947244U (en) | 2017-05-24 | 2017-05-24 | A kind of vacuum switch tube and vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206947244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952777A (en) * | 2017-05-24 | 2017-07-14 | 北京京东方真空电器有限责任公司 | A kind of vacuum switch tube and vacuum switch |
| CN112053896A (en) * | 2020-09-17 | 2020-12-08 | 安徽普众机电有限公司 | Vacuum switch tube with heat radiation structure |
-
2017
- 2017-05-24 CN CN201720584914.6U patent/CN206947244U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952777A (en) * | 2017-05-24 | 2017-07-14 | 北京京东方真空电器有限责任公司 | A kind of vacuum switch tube and vacuum switch |
| CN106952777B (en) * | 2017-05-24 | 2018-11-23 | 北京京东方真空电器有限责任公司 | A kind of vacuum switch tube and vacuum switch |
| CN112053896A (en) * | 2020-09-17 | 2020-12-08 | 安徽普众机电有限公司 | Vacuum switch tube with heat radiation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180130 Effective date of abandoning: 20181123 |
|
| AV01 | Patent right actively abandoned |