CN208673984U - Device for controlling on-off of indoor high-voltage vacuum circuit breaker by air pressure - Google Patents
Device for controlling on-off of indoor high-voltage vacuum circuit breaker by air pressure Download PDFInfo
- Publication number
- CN208673984U CN208673984U CN201821345432.6U CN201821345432U CN208673984U CN 208673984 U CN208673984 U CN 208673984U CN 201821345432 U CN201821345432 U CN 201821345432U CN 208673984 U CN208673984 U CN 208673984U
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- CN
- China
- Prior art keywords
- screw rod
- headstock
- arc
- chutes
- piston
- 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.)
- Expired - Fee Related
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a device for controlling the on-off of an indoor high-voltage vacuum circuit breaker by air pressure, which comprises a power box, a pressure gauge, an arc extinguish chamber, an installation box, a motor, a screw rod, a sleeve, a first piston, a rubber pad, a check valve, a square baffle, a second piston, a moving contact and a static contact, wherein the side edge of the power box is fixedly connected with the installation box, the power box is internally provided with the screw rod, one end of the screw rod is rotatably connected with the inner wall of the power box through a bearing, the sleeve is internally provided with an internal thread, the other end of the screw rod is connected with the sleeve through a thread, the motor is arranged in the installation box, the output end of the motor passes through the installation box and the power box to be fixedly connected with the end part of the screw rod, one end of the sleeve, which is far away from the screw rod, the, simple structure, small space, easy sealing and strong practicability.
Description
Technical field
The utility model relates to breaker technical field, specially a kind of pressure control indoor high-voltage vacuum circuit breaker on-off
Device.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition, air switch i.e. breaker, make in circuit
Connect, disjunction and carrying rated operational current, and can route and motor occur overload, short circuit, it is under-voltage in the case where carry out
Reliable protection, the arc-chutes of breaker use metal gate chip architecture, and contact system has repulsion current-limiting mechanism.
The dynamic and static contact and feeler lever of existing air switch breaker are designed to parallel shape, are generated using short circuit electronic
Repulsion disconnects dynamic and static contact, and when short-circuit, aromatic series insulant gasification around static contact serves and cools down arc extinguishing, arcing away from
From being zero, this mode breaking capacity is high, and cut-off current characteristics are strong, but breaker is as long-time service and control circuit fire
Powerful assistant, by the parallel setting of moving contact, static contact and feeler lever in arc-chutes, make arc extinguishing it is indoor take up space it is larger,
It is difficult to ensure that the sealing effect of the indoor gas of arc extinguishing, and moving contact and static contact are only designed as being in contact or separate, without
It is connection of working in coordination, it is difficult to guarantee whether dynamic and static contact good can contact always, the use of feeler lever is also difficult to ensure length
Phase serviceable condition is without damaging, for this purpose, it is proposed that a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off.
Utility model content
The purpose of this utility model is to provide a kind of devices of pressure control indoor high-voltage vacuum circuit breaker on-off, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of pressure control indoor high-voltage vacuum is disconnected
The device of road device on-off, including headstock, pressure gauge, arc-chutes, installs case, motor, screw rod, sleeve, first piston, rubber
Pad, check valve, rectangular baffle, second piston, moving contact and static contact, the side of the headstock are fixedly connected with installs case,
The inside of the headstock is equipped with screw rod, and one end of the screw rod is rotatablely connected by the inner wall of bearing and headstock, the set
The inside of cylinder is equipped with internal screw thread, and the other end and the sleeve of the screw rod are connected through a screw thread, and the inside of the installs case is equipped with
The output end of motor, the motor passes through installs case and headstock is fixedly connected with the end of screw rod, and the sleeve is far from screw rod
One end be fixedly connected with first piston, arc-chutes are connected at the top of the headstock, and arc-chutes are connected to headstock, institute
It states arc-chutes and is equipped with rectangular baffle close to one end of headstock, static contact is installed at the top of the arc extinguishing chamber interior walls, described the
Two pistons are slidably connected at the inner wall of arc-chutes, and the moving contact matched with static contact is equipped at the top of the second piston.
Preferably, the side that the top of the headstock is located at arc-chutes is equipped with pressure gauge.
Preferably, the headstock is equipped with check valve far from one end of installs case.
Preferably, the section of the headstock and arc-chutes is rectangle structure.
Preferably, the first piston is connected with valve rubber far from the side of sleeve.
Compared with prior art, the utility model has the beneficial effects that
1, a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off of the utility model, is worked by motor, is made
The output shaft of motor drives screw rod rotation, so that control sleeve moving left and right in headstock, closes check valve, it is living first
Plug under the influence of air pressure, moves upwards the indoor second piston of arc extinguishing, to make moving contact during moving right
It is realized with static contact contact and breaker is connected to.
2, a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off of the utility model, is moved by being set to
Power case and arc-chutes reduce a large amount of space, are conducive to indoor better seal, when needing to separate moving contact and static contact
When, start motor, is inverted by the output shaft of motor, move first piston to the direction of installs case, at this point, in the work of air pressure
Under, second piston is moved downward, separate moving contact and static contact, realizes the on-off to breaker with this, the device knot
Structure is simple, the small easy sealing in space, and practicability is stronger.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model schematic diagram of internal structure.
In figure: 1- headstock；2- pressure gauge；3- arc-chutes；4- installs case；5- motor；6- screw rod；7- sleeve；8- first
Piston；9- valve rubber；10- check valve；The rectangular baffle of 11-；12- second piston；13- moving contact；14- static contact.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of pressure control indoor high-voltage vacuum circuit breaker
The device of on-off, including headstock 1, pressure gauge 2, arc-chutes 3, installs case 4, motor 5, screw rod 6, sleeve 7, first piston 8, rubber
The side of leather packing 9, check valve 10, rectangular baffle 11, second piston 12, moving contact 13 and static contact 14, the headstock 1 is fixed
It is connected with installs case 4, the inside of the headstock 1 is equipped with screw rod 6, and one end of the screw rod 6 is interior by bearing and headstock 1
The inside of wall rotation connection, the sleeve 7 is equipped with internal screw thread, and the other end and the sleeve 7 of the screw rod 6 are connected through a screw thread, institute
The inside for stating installs case 4 is equipped with motor 5, and the output end of the motor 5 passes through the end of installs case 4 and headstock 1 and screw rod 6
It is fixedly connected, the sleeve 7 is fixedly connected with first piston 8 far from one end of screw rod 6, and the top of the headstock 1 is connected with
Arc-chutes 3, and arc-chutes 3 are connected to headstock 1, the arc-chutes 3 are equipped with rectangular baffle 11, institute close to one end of headstock 1
It states and static contact 14 is installed at the top of 3 inner wall of arc-chutes, the second piston 12 is slidably connected at the inner wall of arc-chutes 3, described
The top of second piston 12 is equipped with the moving contact 13 matched with static contact 14.
The side that the top of the headstock 1 is located at arc-chutes 3 is equipped with pressure gauge 2, described dynamic convenient for detection room pressure
Power case 1 is equipped with check valve 10 far from one end of installs case 4, and just with addition gas, the section of the headstock 1 and arc-chutes 3 is equal
It is rectangle structure, convenient for moving left and right for first piston 8, the first piston 8 is connected with valve rubber far from the side of sleeve 7
9, prevent gas leakage.
Working principle: being worked by motor 5, makes the output shaft of motor 5 that screw rod 6 be driven to rotate, so that control sleeve 7 is dynamic
Moving left and right in power case 1 closes check valve 10, in first piston 8 during moving right, under the influence of air pressure,
Move upwards the second piston 12 in arc-chutes 3, so that moving contact 13 and static contact 14 be made to contact the company realized to breaker
It is logical, by being set to headstock 1 and arc-chutes 3, reduces a large amount of space, be conducive to indoor better seal, when need
When moving contact 13 and static contact 14 are separated, start motor 5, is inverted by the output shaft of motor, make first piston 8 to installation
The direction of case 4 moves, at this point, under the influence of air pressure, second piston 12 moves downward, divides moving contact 13 and static contact 14
From realizing the on-off to breaker with this.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off, including headstock (1), pressure gauge (2), arc-chutes
(3), installs case (4), motor (5), screw rod (6), sleeve (7), first piston (8), valve rubber (9), check valve (10), rectangular gear
Plate (11), second piston (12), moving contact (13) and static contact (14), it is characterised in that: the side of the headstock (1) is fixed
It is connected with installs case (4), the inside of the headstock (1) is equipped with screw rod (6), and one end of the screw rod (6) by bearing and is moved
The inner wall of power case (1) is rotatablely connected, and the inside of the sleeve (7) is equipped with internal screw thread, the other end and sleeve of the screw rod (6)
(7) it is connected through a screw thread, the inside of the installs case (4) is equipped with motor (5), and the output end of the motor (5) passes through installation
Case (4) and headstock (1) are fixedly connected with the end of screw rod (6), and the sleeve (7) is fixedly connected far from the one end of screw rod (6)
Have first piston (8), be connected with arc-chutes (3) at the top of the headstock (1), and arc-chutes (3) are connected to headstock (1),
The arc-chutes (3) are equipped with rectangular baffle (11) close to the one end of headstock (1), and the top of arc-chutes (3) inner wall is installed
Have static contact (14), the second piston (12) is slidably connected at the inner wall of arc-chutes (3), the top of the second piston (12)
The moving contact (13) matched with static contact (14) is installed.
2. a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off according to claim 1, it is characterised in that:
The side that the top of the headstock (1) is located at arc-chutes (3) is equipped with pressure gauge (2).
3. a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off according to claim 2, it is characterised in that:
The headstock (1) is equipped with check valve (10) far from the one end of installs case (4).
4. a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off according to claim 3, it is characterised in that:
The section of the headstock (1) and arc-chutes (3) is rectangle structure.
5. a kind of device of pressure control indoor high-voltage vacuum circuit breaker on-off according to claim 1, it is characterised in that:
The first piston (8) is connected with valve rubber (9) far from the side of sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345432.6U CN208673984U (en) | 2018-08-21 | 2018-08-21 | Device for controlling on-off of indoor high-voltage vacuum circuit breaker by air pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345432.6U CN208673984U (en) | 2018-08-21 | 2018-08-21 | Device for controlling on-off of indoor high-voltage vacuum circuit breaker by air pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208673984U true CN208673984U (en) | 2019-03-29 |
Family
ID=65837579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821345432.6U Expired - Fee Related CN208673984U (en) | 2018-08-21 | 2018-08-21 | Device for controlling on-off of indoor high-voltage vacuum circuit breaker by air pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208673984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635237A (en) * | 2020-12-22 | 2021-04-09 | 东方电子股份有限公司 | Arc extinguishing switch for ring main unit |
-
2018
- 2018-08-21 CN CN201821345432.6U patent/CN208673984U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635237A (en) * | 2020-12-22 | 2021-04-09 | 东方电子股份有限公司 | Arc extinguishing switch for ring main unit |
| CN112635237B (en) * | 2020-12-22 | 2023-10-24 | 东方电子股份有限公司 | Arc extinguishing switch for ring main unit |
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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: 20190329 Termination date: 20210821 |