CN107342185A - A kind of vacuum switch tube and vacuum switch - Google Patents
A kind of vacuum switch tube and vacuum switch Download PDFInfo
- Publication number
- CN107342185A CN107342185A CN201710794581.4A CN201710794581A CN107342185A CN 107342185 A CN107342185 A CN 107342185A CN 201710794581 A CN201710794581 A CN 201710794581A CN 107342185 A CN107342185 A CN 107342185A
- Authority
- CN
- China
- Prior art keywords
- vacuum switch
- end cap
- switch tube
- reinforcement structure
- vacuum
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of vacuum switch tube and vacuum switch, belong to technical field of vacuum switches, designed to solve the problems such as end cap in existing structure is easily damaged when making thermoplasticity pole.Vacuum switch tube of the present invention includes insulation crust, and the both ends of insulation crust are respectively arranged with end cap, reinforcement structure is provided with the inside of wherein at least one end cap, and reinforcement structure is used for the supports end cap when making thermoplasticity pole.Present invention also offers a kind of vacuum switch for including above-mentioned vacuum switch tube.Vacuum switch tube and vacuum switch provided by the invention, when making thermoplasticity pole, vacuum interrupter must bear the situation of decades of times atmospheric pressure, its reinforcement structure can avoid end cap produce serious depressed deformation and caused by the function of vacuum interrupter the problem of losing so that the structure of vacuum switch and property retention are stable, reliable.
Description
Technical field
The present invention relates to technical field of vacuum switches, more particularly to a kind of vacuum switch tube and it is provided with the vacuum switch
The vacuum switch of pipe.
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 both ends of insulation crust 1 are respectively arranged with end cap 2, fix and wear on one of end cap 2
Have a conducting rod 5, activity is equipped with another conducting rod 5 on another end cap 2, the outside of conducting rod 5 that activity is worn is arranged
There is a bellows 7, the outside of bellows 7 is connected to end cap 2, inner side is provided with bellows shield cover 8, and each part carries out close each other
Envelope connection, forms the vacuum cavity of a closing, and the inners of two conducting rods 5 is respectively arranged with contact 6, and two conducting rods 5 touch
Vacuum fracture is formed between first 6.
At present, pole type vacuum switch because its excellent performance module, it is resistance to it is filthy, easy care application is more and more wider
It is general.And existing a large amount of pole case materials are epoxy resin, but epoxide resin material is difficult degraded, can not reclaim profit
With its environmental issue is increasingly subject to pay attention to.To solve this problem, part producer has started to make sealing using thermoplastic
Pole.
But prior art is applied to following defect be present during the pole that thermoplastic material makes：End cap intensity
It is poor, it is impossible to bear to make the strong effect of the decades of times air applied during pole, after being fabricated to plastics pole, vacuum switch
The end cap of pipe meeting significant depressions in the presence of injection pressure, so that the function of vacuum switch tube is lost.
The content of the invention
It is an object of the present invention to propose that one kind can avoid its end cap serious when making thermoplasticity pole
The vacuum switch tube of damage.
It is another object of the present invention to propose that one kind when making thermoplasticity pole can avoid its end cap tight
The vacuum switch damaged again.
For up to this purpose, on the one hand, the present invention uses following technical scheme：
A kind vacuum switch tube, including insulation crust, the both ends of the insulation crust are respectively arranged with end cap, wherein extremely
Reinforcement structure is provided with the inside of a few end cap, the reinforcement structure is used to support institute when making thermoplasticity pole
State end cap.
Further, the reinforcement structure includes jamb support portion and the top braces being arranged on the jamb support portion
Portion, the jamb support portion are used for the internal face for supporting the side wall of the end cap, and the top braces portion is used to support the end
The internal face at the top of lid.
Further, the Internal periphery of the outline of the reinforcement structure and the end cap matches.
Further, the reinforcement structure is supported on the insulation crust, between the reinforcement structure and the end cap
Gap coordinates.
Further, the jamb support portion is in a ring.
Further, the vacuum switch tube also includes the transition rings being arranged on the insulation crust, the transition rings
External diameter be more than the insulation crust internal diameter, the reinforcement structure free support is in the transition rings.
Further, the transition rings are made up of copper material.
Further, the transition rings are welded to connect with the insulation crust.
Further, it is fixed on one of them described end cap be equipped with the first conducting rod, activity on another described end cap
It is equipped with the second conducting rod, the inner of first conducting rod and second conducting rod is respectively arranged with contact, and described first
Vacuum fracture is formed between the contact of the contact of conducting rod and second conducting rod.
On the other hand, the present invention uses following technical scheme：
A kind of vacuum switch, including the vacuum switch tube described in any of the above-described.
Beneficial effects of the present invention are as follows：
Vacuum switch tube and vacuum switch provided by the invention, it is provided with the supports end cap when making thermoplasticity pole
Reinforcement structure, when making thermoplasticity pole, vacuum interrupter and must bear the situation of decades of times atmospheric pressure, strengthen knot
Structure can avoid end cap produce serious depressed deformation and caused by the function of vacuum interrupter the problem of losing so that vacuum switch
Structure and property retention it is stable, reliable.
Brief description of the drawings
Fig. 1 is the structural representation of existing vacuum switch tube；
Fig. 2 is the structural representation for the vacuum switch tube that the preferred embodiment of the present invention one provides；
Fig. 3 is the partial enlarged drawing at A in Fig. 2.
In figure：
1st, insulation crust；2nd, end cap；3rd, reinforcement structure；4th, transition rings；5th, conducting rod；6th, contact；7th, bellows；8th, ripple
Tube shield cover；31st, jamb support portion；32nd, top braces portion.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment one：
This preferred embodiment provides a kind of vacuum switch tube, and as shown in Figures 2 and 3, it includes insulation crust 1, insulation
The both ends of shell 1 are respectively arranged with end cap 2, and two inner sides of end cap 2 are provided with reinforcement structure 3, and reinforcement structure 3 is used to make
Supports end cap 2 during thermoplasticity pole.Reinforcement structure 3 preferably but is not limited to be made up of steel or other have
The material of appropriate intensity.
The vacuum switch tube that the present embodiment provides, is provided with the reinforcement of the supports end cap 2 when making thermoplasticity pole
Structure 3, when making thermoplasticity pole, vacuum interrupter must bear the situation of decades of times atmospheric pressure, the energy of reinforcement structure 3
Enough avoid end cap 2 from producing serious depressed deformation and caused by the function of vacuum interrupter the problem of losing so that vacuum switch tube
Structure and property retention it is stable, reliable.
It is specifically, fixed on one of end cap 2 to be equipped with a conducting rod 5, on another end cap 2 in the present embodiment
Activity is equipped with another conducting rod 5；More specifically, the outer sheath of conducting rod 5 that activity is worn is provided with bellows 7, bellows 7
Outside is connected to end cap 2, inner side is provided with bellows shield cover 8, and each part is connected and sealed each other, forms a closing
Vacuum cavity.The inner of two conducting rods 5 is respectively arranged with contact 6, and vacuum fracture is formed between the contact 6 of two conducting rods 5.
End cap 2 generally includes annular sidewall and the top passed through for conducting rod 5 being arranged on annular sidewall, the present embodiment
In, on the basis of said structure, reinforcement structure 3 includes jamb support portion 31 and the top branch being arranged on jamb support portion 31
Support part 32, jamb support portion 31 are arranged at the inside sidewalls of end cap 2, and top braces portion 32 is arranged at the inside top of end cap 2, side
Wall supporting part 31 is used for the internal face of the side wall of supports end cap 2, and top braces portion 32 is used for the inwall at the top of supports end cap 2
Face, to ensure that end cap 2 obtains comprehensive support, ensure stiffening effect.The vacuum switch tube that the present embodiment provides, due to setting
There is reinforcement structure 3, the thickness of end cap 2 is close with the thickness of end cap 2 of conventional vacuum switching tube, especially the annular sidewall of end cap 2,
The thin-wall construction less than or equal to 1.5mm can be used to reduce the weld seam between end cap 2 and insulation crust 1.
In the present embodiment, on the basis of said structure, in order to be further ensured that the stiffening effect to end cap 2, strengthen knot
The Internal periphery of the outline of structure 3 and end cap 2 matches.Specifically, jamb support portion 31 is in a ring.
In the present embodiment, preferably, reinforcement structure 3 is supported on insulation crust 1, reinforcement structure 3 and end cap 2 it
Between gap coordinate.Gap coordinates between reinforcement structure 3 and end cap 2, can be the jamb support portion 31 and top branch of reinforcement structure 3
In support part 32 at least one between end cap 2 gap coordinate.In this preferred scheme, reinforcement structure 3 is this to be supported in outside insulation
It is not directly attached on shell 1 on end cap 2, can avoids reinforcement structure 3 and end cap 2 being welded into an entirety, and is produced and be somebody's turn to do
The problem of weld seam is greatly caused by expansion, shrinkage stress gap are big between entirety and insulation crust 1 or insulation crust 1 is damaged；Add
Between strong structure 3 and end cap 2 gap coordinate structure type, can avoid mutually nearby solder under capillary action by reinforcement structure
It is welded into a whole between 3 and end cap 2, so as to keep the flexibility of end cap 2.It is highly preferred that the free support of reinforcement structure 3 is in insulation
On shell 1 (free support of reinforcement structure 3 in refer on insulation crust 1 reinforcement structure 3 be placed directly on insulation crust 1 and with
Without the relation being fixedly connected between insulation crust 1).
In the present embodiment, on the basis of said structure, vacuum switch tube also includes the transition being arranged on insulation crust 1
Ring 4, the external diameter of transition rings 4 are more than the internal diameter of insulation crust 1, and the free support of reinforcement structure 3 is in (reinforcement structure 3 is certainly in transition rings 4
Refer to that reinforcement structure 3 is placed directly in transition rings 4 and between transition rings 4 without being fixedly connected in transition rings 4 by being supported in
Relation).More specifically, jamb support portion 31 is supported in transition rings 4.Transition rings 4 may insure that insulation crust 1 can support and add
Strong structure 3.
Transition rings 4 are preferred but are not limited to that (such as fine copper or oxygenless copper material) is made by copper material, can also be prolonged by other
The preferable material of malleability is made, and to reduce influence of the welding stress to weld seam, ensures airtight, the reliability of seal-weld, avoids
Insulation crust 1 is impaired, plays a part of protecting insulation crust 1.Between transition rings 4 and insulation crust 1 preferably but be not limited to weld
Connect in succession.Between transition rings 4 and the reinforcement structure 3 preferably but be not limited to be welded to connect, specifically, reinforcement structure 3 and mistake
Ring 4 is crossed to weld.
The present embodiment additionally provides a kind of vacuum switch, and it includes above-mentioned vacuum switch tube.
The vacuum switch tube that the present embodiment provides, is provided with the reinforcement of the supports end cap 2 when making thermoplasticity pole
Structure 3, when making thermoplasticity pole, vacuum interrupter must bear the situation of decades of times atmospheric pressure, the energy of reinforcement structure 3
Enough avoid end cap 2 from producing serious depressed deformation and caused by the function of vacuum interrupter the problem of losing so that vacuum switch
Structure and property retention are stable, reliable.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel would not require any inventive effort the other embodiments that can associate the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of vacuum switch tube, including insulation crust (1), the both ends of the insulation crust (1) are respectively arranged with end cap (2),
Characterized in that, being provided with reinforcement structure (3) on the inside of end cap described in wherein at least one (2), the reinforcement structure (3) is used for
The end cap (2) is supported when making thermoplasticity pole.
2. a kind of vacuum switch tube according to claim 1, it is characterised in that the reinforcement structure (3) includes side wall branch
Support part (31) and the top braces portion (32) being arranged on the jamb support portion (31), the jamb support portion (31) are used for branch
The internal face of the side wall of the end cap (2) is supportted, the top braces portion (32) is used for the inwall for supporting the top of the end cap (2)
Face.
A kind of 3. vacuum switch tube according to claim 1 or 2, it is characterised in that the outline of the reinforcement structure (3)
Match with the Internal periphery of the end cap (2).
4. a kind of vacuum switch tube according to claim 1 or 2, it is characterised in that the reinforcement structure (3) is supported in institute
State on insulation crust (1), gap coordinates between the reinforcement structure (3) and the end cap (2).
5. a kind of vacuum switch tube according to claim 1 or 2, it is characterised in that the jamb support portion (31) is in ring
Shape.
6. a kind of vacuum switch tube according to claim 1 or 2, it is characterised in that the vacuum switch tube also includes setting
The transition rings (4) being placed on the insulation crust (1), the external diameter of the transition rings (4) are more than the interior of the insulation crust (1)
Footpath, reinforcement structure (3) free support is in the transition rings (4).
7. a kind of vacuum switch tube according to claim 6, it is characterised in that the transition rings (4) are made up of copper material.
8. a kind of vacuum switch tube according to claim 6, it is characterised in that outside the transition rings (4) and the insulation
Shell (1) is welded to connect.
9. a kind of vacuum switch tube according to claim 1 or 2, it is characterised in that solid on one of them described end cap (2)
Surely be equipped with a conducting rod (5), activity is equipped with another conducting rod (5) on another described end cap (2), led described in two
The inner of electric pole (5) is respectively arranged with contact (6), and vacuum fracture is formed between the contact (6) of two conducting rods (5).
10. a kind of vacuum switch, it is characterised in that including the vacuum switch tube described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794581.4A CN107342185B (en) | 2017-09-06 | 2017-09-06 | Vacuum switch tube and vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794581.4A CN107342185B (en) | 2017-09-06 | 2017-09-06 | Vacuum switch tube and vacuum switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107342185A true CN107342185A (en) | 2017-11-10 |
| CN107342185B CN107342185B (en) | 2020-04-17 |
Family
ID=60215181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710794581.4A Active CN107342185B (en) | 2017-09-06 | 2017-09-06 | Vacuum switch tube and vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107342185B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019115175A1 (en) * | 2017-12-11 | 2019-06-20 | Siemens Aktiengesellschaft | Overpressure-resistant vacuum interrupter tube |
| CN111480211A (en) * | 2017-12-11 | 2020-07-31 | 西门子股份公司 | Shielding element for vacuum interrupter |
| CN111630619A (en) * | 2017-12-15 | 2020-09-04 | 西门子股份公司 | High-voltage circuit breaker and method for holding a vacuum interrupter in a high-voltage circuit breaker |
| CN112038165A (en) * | 2020-09-17 | 2020-12-04 | 安徽普众机电有限公司 | Vacuum switch tube with reinforced structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5753876A (en) * | 1996-05-02 | 1998-05-19 | Eaton Corporation | Clad end seal for vacuum interrupter |
| CN101523536A (en) * | 2006-09-01 | 2009-09-02 | Abb技术股份公司 | Vacuum interrupter chamber for medium-voltage switchgear |
| CN205303318U (en) * | 2015-12-18 | 2016-06-08 | 江苏维爱斯电器有限公司 | Vacuum interrupter of drop -out current ability reinforce |
| CN207282395U (en) * | 2017-09-06 | 2018-04-27 | 北京京东方真空电器有限责任公司 | A kind of vacuum switch tube and vacuum switch |
-
2017
- 2017-09-06 CN CN201710794581.4A patent/CN107342185B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5753876A (en) * | 1996-05-02 | 1998-05-19 | Eaton Corporation | Clad end seal for vacuum interrupter |
| CN101523536A (en) * | 2006-09-01 | 2009-09-02 | Abb技术股份公司 | Vacuum interrupter chamber for medium-voltage switchgear |
| CN205303318U (en) * | 2015-12-18 | 2016-06-08 | 江苏维爱斯电器有限公司 | Vacuum interrupter of drop -out current ability reinforce |
| CN207282395U (en) * | 2017-09-06 | 2018-04-27 | 北京京东方真空电器有限责任公司 | A kind of vacuum switch tube and vacuum switch |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019115175A1 (en) * | 2017-12-11 | 2019-06-20 | Siemens Aktiengesellschaft | Overpressure-resistant vacuum interrupter tube |
| CN111448634A (en) * | 2017-12-11 | 2020-07-24 | 西门子股份公司 | Overpressure-resistant vacuum switching tube |
| CN111480211A (en) * | 2017-12-11 | 2020-07-31 | 西门子股份公司 | Shielding element for vacuum interrupter |
| JP2021506094A (en) * | 2017-12-11 | 2021-02-18 | シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ | Overpressure resistant vacuum shutoff valve |
| US11289292B2 (en) | 2017-12-11 | 2022-03-29 | Siemens Energy Global GmbH & Co. KG | Overpressure-resistant vacuum interrupter tube |
| US11342142B2 (en) | 2017-12-11 | 2022-05-24 | Siemens Aktiengesellschaft | Shield element for a vacuum interrupter |
| JP7214744B2 (en) | 2017-12-11 | 2023-01-30 | シーメンス エナジー グローバル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Overpressure resistant vacuum shut-off valve |
| CN111448634B (en) * | 2017-12-11 | 2023-02-28 | 西门子能源全球有限公司 | Overpressure resistant vacuum switching tube |
| CN111630619A (en) * | 2017-12-15 | 2020-09-04 | 西门子股份公司 | High-voltage circuit breaker and method for holding a vacuum interrupter in a high-voltage circuit breaker |
| CN111630619B (en) * | 2017-12-15 | 2024-04-05 | 西门子能源全球有限公司 | High-voltage power switch and method for holding a vacuum switching tube |
| CN112038165A (en) * | 2020-09-17 | 2020-12-04 | 安徽普众机电有限公司 | Vacuum switch tube with reinforced structure |
Also Published As
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| CN107342185B (en) | 2020-04-17 |
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