CN209487395U - A kind of vacuum circuit breaker - Google Patents
A kind of vacuum circuit breaker Download PDFInfo
- Publication number
- CN209487395U CN209487395U CN201822196493.7U CN201822196493U CN209487395U CN 209487395 U CN209487395 U CN 209487395U CN 201822196493 U CN201822196493 U CN 201822196493U CN 209487395 U CN209487395 U CN 209487395U
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- CN
- China
- Prior art keywords
- fixedly installed
- cabinet
- drive block
- block
- conductor
- 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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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to breaker technical fields, more particularly to a kind of vacuum circuit breaker, vacuum interrupter is equipped in cabinet, the both ends of guide rail are slidably fitted with two conductor sliding blocks, contact is fixedly installed on the inside of conductor sliding block, spring is additionally provided between two conductor sliding blocks, vertical bar is movably installed in through-hole, connecting rod is hinged between vertical bar and conductor sliding block, the first drive block is threaded on stud, transverse slat is equipped with slideway, sliding block is fixedly mounted on the first drive block, the upper end of two vertical bars is fixedly installed with one second drive block, is fixed with stepper motor on motor fixed station；Stepper motor drives stud rotation, and the first drive block is driven to move right, and the second drive block drives column to move down, and column pushes two conductor sliding blocks to move inward by connecting rod, makes two contact closures；Or stepper motor reversion, spring separate two contacts, structure is simple, and the closure or separating rate of two contacts are very fast；The closed state of two contacts is also able to maintain when stepper motor no power.
Description
Technical field
The utility model relates to breaker technical fields, and in particular to a kind of vacuum circuit breaker.
Background technique
" vacuum circuit breaker " dielectric of contact gap after its arc-extinguishing medium and arc extinguishing is gained the name due to being all high vacuum；Its
Have the advantages that it is small in size, light-weight, be suitable for frequent operation, arc extinguishing does not have to maintenance, using more universal in power distribution network.It is existing
Some vacuum circuit breaker movement speeds are slow, and structure is complicated, and contact force is small, without self-locking function.
Utility model content
The purpose of this utility model is to provide a kind of vacuum circuit breakers, and structure is simple, and quick action simultaneously has self-locking
Ability, to solve the problems mentioned in the above background technology.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of vacuum circuit breaker, including cabinet, institute
It states and is equipped with vacuum interrupter in cabinet, be fixedly installed with horizontal fixed plate in the cabinet, the upside of the fixed plate is fixed
The guide rail that left and right extends is installed, the both ends of the guide rail are slidably fitted with two conductor sliding blocks being oppositely arranged, and the conductor is sliding
It is fixedly installed with contact on the inside of block, spring is additionally provided between the two conductor sliding blocks, the upper wall of the cabinet is equipped with vertical
Two through hole is movably installed with vertical bar corresponding with the conductor sliding block in the through-hole, and the vertical bar connects with the through-hole
The position of touching is equipped with the metal bellows for sealing, and connecting rod, the company are hinged between the vertical bar and the conductor sliding block
The upper end of bar is inclined outwardly；It is additionally provided on the cabinet for making two contact closures or isolated driving device；
The driving device includes two risers for being fixedly mounted on the upper end of the cabinet, and the upper end of two risers is fixed
One transverse slat is installed, a horizontal stud is also rotatably equipped between two risers, the axis of the stud rotation is parallel to
The extending direction of the guide rail, the first drive block is threaded on the stud, and the transverse slat is equipped with the cunning that left and right extends
Road, the sliding block to match with the slideway is fixedly installed on first drive block, and the upper end of two vertical bars is fixedly mounted
Have one second drive block, the lower end of first drive block is equipped with the first inclined-plane towards right side, second drive block it is upper
End is equipped with the second inclined-plane to fit with first inclined-plane；The side of the cabinet is also fixedly installed with support plate, the branch
It is fixedly installed with motor fixed station on fagging, stepper motor, the rotation of the stepper motor are fixed on the motor fixed station
The axis of axis rotation is overlapped with the axis that the stud rotates, and one end of the stud is fixedly mounted on turning for the stepper motor
On moving axis；
Stepper motor drives stud rotation, and the first drive block is driven to move right, by first the second inclined-plane of slope driving,
Move down the second drive block, the second drive block drives two columns to move down, and column pushes two conductor sliding blocks by connecting rod
It moves inward, makes two contact closures；Or stepper motor reversion, drive the first drive block to be moved to the left, spring separates two contacts,
Structure is simple, and the closure or separating rate of two contacts are very fast；While two contact closures, the screw thread of the first drive block and stud
Connection keeps self-locking, i.e., the closed state of two contacts is also able to maintain when stepper motor no power.
As a further improvement, the section of the guide rail is T-shaped, and the conductor sliding block is equipped with and the guide rail phase
The sliding slot matched.
As a further improvement, the both ends of the guide rail are also fixedly installed with block.
Conductor wire is connected on the conductor sliding block, one end of the conductor wire, which is connected with, is fixedly mounted on the cabinet
The connecting terminal in outside.
As a further improvement, the inner end of a contact is equipped with outwardly projecting arcwall face, another contact
Inner end is equipped with the arcwall face being recessed inwardly.
The utility model has the beneficial effects that
A kind of vacuum circuit breaker, including cabinet, the cabinet is interior to be equipped with vacuum interrupter, and the upside of the fixed plate is fixed
Guide rail is installed, the both ends of the guide rail are slidably fitted with two conductor sliding blocks, are fixedly installed with touching on the inside of the conductor sliding block
Head is additionally provided with spring between the two conductor sliding blocks, and vertical bar is movably installed in the through-hole, and the vertical bar and the conductor are sliding
Connecting rod is hinged between block, the upper end of the cabinet is fixedly installed with two risers, is also rotatably equipped with one between two risers
Stud, the first drive block is threaded on the stud, and the transverse slat is equipped with slideway, fixed peace on first drive block
Sliding block is filled, the upper end of two vertical bars is fixedly installed with one second drive block, and the lower end of first drive block is equipped with first tiltedly
Face, the upper end of second drive block are equipped with the second inclined-plane, are fixed with stepper motor on the motor fixed station；Stepper motor band
Dynamic stud rotation, drives the first drive block to move right, and by first the second inclined-plane of slope driving, makes the second drive block to moving down
Dynamic, the second drive block drives column to move down, and column pushes two conductor sliding blocks to move inward by connecting rod, closes two contacts
It closes；Or stepper motor reversion, drive the first drive block to be moved to the left, spring separates two contacts, and structure is simple, and two contacts close
It closes or separating rate is very fast；While two contact closures, the threaded connection of the first drive block and stud keeps self-locking, that is, works as step
Also the closed state of two contacts is able to maintain when into motor no power.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the partial enlarged view of I part in Fig. 1；
Fig. 3 is A-A cross-sectional view in Fig. 1.
In figure: cabinet 1；Vacuum interrupter 2；Fixed plate 3；Guide rail 4；Conductor sliding block 5；Contact 6；Spring 7；Through-hole 8；Vertical bar
9；Metal bellows 10；Connecting rod 11；Riser 12；Transverse slat 13；Stud 14；Second drive block 15；Slideway 16；Sliding block 17；First drives
Motion block 18；Support plate 19；Motor fixed station 20；Stepper motor 21；Sliding slot 22；Block 23；Conductor wire 24；Connecting terminal 25.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of vacuum circuit breaker, including cabinet 1, the cabinet 1 is interior to be equipped with vacuum interrupter 2, institute
It states and is fixedly installed with horizontal fixed plate 3 in cabinet 1, the upside of the fixed plate 3 is fixedly installed with the guide rail 4 that left and right extends,
The both ends of the guide rail 4 are slidably fitted with two conductor sliding blocks 5 being oppositely arranged, and the inside of the conductor sliding block 5 is fixedly installed with
Contact 6 is additionally provided with spring 7 between the two conductor sliding blocks 5, and the upper wall of the cabinet 1 is equipped with vertical two through hole 8, described logical
Vertical bar 9 corresponding with the conductor sliding block 5, the position that the vertical bar 9 is in contact with the through-hole 8 are movably installed in hole 8
Equipped with the metal bellows 10 for sealing, connecting rod 11, the connecting rod are hinged between the vertical bar 9 and the conductor sliding block 5
11 upper end is inclined outwardly；It is additionally provided on the cabinet 1 for making two closures of contact 6 or isolated driving device；
The driving device includes two risers 12 for being fixedly mounted on the upper end of the cabinet 1, two risers 12 it is upper
End is fixedly installed with a transverse slat 13, and a horizontal stud 14,14 turns of the stud are also rotatably equipped between two risers 12
Dynamic axis is parallel to the extending direction of the guide rail 4, and the first drive block 18, the transverse slat are threaded on the stud 14
13 are equipped with the slideway 16 that left and right extends, and are fixedly installed with the sliding block to match with the slideway 16 on first drive block 18
17, the upper end of two vertical bars 9 is fixedly installed with one second drive block 15, and the lower end of first drive block 18 is equipped with towards right
First inclined-plane of side, the upper end of second drive block 15 are equipped with the second inclined-plane to fit with first inclined-plane；The case
The side of body 1 is also fixedly installed with support plate 19, and motor fixed station 20, the motor are fixedly installed in the support plate 19
Stepper motor 21 is fixed on fixed station 20, what the axis and the stud 14 of the rotation axis rotation of the stepper motor 21 rotated
Axis is overlapped, and one end of the stud 14 is fixedly mounted in the rotation axis of the stepper motor 21.
The section of the guide rail 4 is T-shaped, and the conductor sliding block 5 is equipped with the sliding slot 22 to match with the guide rail 4.
The both ends of the guide rail 4 are also fixedly installed with block 23.
Be connected with conductor wire 24 on the conductor sliding block 5, one end of the conductor wire 24 be connected be fixedly mounted on it is described
The connecting terminal 25 in the outside of cabinet 1.
The inner end of one contact 6 is equipped with outwardly projecting arcwall face, and the inner end of another contact 6, which is equipped with, to be recessed inwardly
Arcwall face.
Working principle: the utility model drives stud 14 to rotate by stepper motor 21, drives the first drive block 18 to the right
It is mobile, by first the second inclined-plane of slope driving, move down the second drive block 15, the second drive block 15 drives two vertical bars 9
It moving down, vertical bar 9 pushes conductor category sliding block 5 to move inward by connecting rod 11, and two contacts 6 are closed, meanwhile, the first drive block
18 is self-locking with the threaded connection holding of stud 14, i.e., the closed state of two contacts 6 is also able to maintain when 21 no power of stepper motor；
Or stepper motor 21 drives stud 14 to invert, and drives the first drive block 18 to be moved to the left, spring 7 separates two contacts 6.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of vacuum circuit breaker, it is characterised in that: including cabinet (1), be equipped with vacuum interrupter (2) in the cabinet (1), institute
It states and is fixedly installed with horizontal fixed plate (3) in cabinet (1), be fixedly installed with what left and right extended on the upside of the fixed plate (3)
Guide rail (4), the both ends of the guide rail (4) are slidably fitted with two conductor sliding blocks (5) being oppositely arranged, the conductor sliding block (5)
Inside is fixedly installed with contact (6), is additionally provided with spring (7) between the two conductor sliding blocks (5), the upper wall of the cabinet (1) is set
Have vertical two through hole (8), vertical bar (9) corresponding with conductor sliding block (5), institute are movably installed in the through-hole (8)
State position that vertical bar (9) is in contact with the through-hole (8) and be equipped with metal bellows (10) for sealing, the vertical bar (9) with
It is hinged with connecting rod (11) between the conductor sliding block (5), the upper end of the connecting rod (11) is inclined outwardly；On the cabinet (1) also
Equipped with for making two contact (6) closures or isolated driving device；
The driving device includes two risers (12) for being fixedly mounted on the upper end of the cabinet (1), two risers (12)
Upper end is fixedly installed with a transverse slat (13), and a horizontal stud (14) is also rotatably equipped between two risers (12), described
The axis of stud (14) rotation is parallel to the extending direction of the guide rail (4), is threaded with the first drive on the stud (14)
Motion block (18), the transverse slat (13) are equipped with the slideway (16) that left and right extends, are fixedly installed on first drive block (18)
The upper end of the sliding block (17) to match with the slideway (16), two vertical bars (9) is fixedly installed with one second drive block (15),
The lower end of first drive block (18) is equipped with the first inclined-plane towards right side, the upper end of second drive block (15) be equipped with
The second inclined-plane that first inclined-plane fits；The side of the cabinet (1) is also fixedly installed with support plate (19), the support
It is fixedly installed on plate (19) motor fixed station (20), is fixed with stepper motor (21) on the motor fixed station (20), it is described
The axis of the rotation axis rotation of stepper motor (21) is overlapped with the axis that the stud (14) rotates, one end of the stud (14)
It is fixedly mounted in the rotation axis of the stepper motor (21).
2. a kind of vacuum circuit breaker described in accordance with the claim 1, it is characterised in that: the section of the guide rail (4) is T-shaped, institute
It states conductor sliding block (5) and is equipped with the sliding slot (22) to match with the guide rail (4).
3. a kind of vacuum circuit breaker described in accordance with the claim 1, it is characterised in that: the also fixed peace in the both ends of the guide rail (4)
Equipped with block (23).
4. a kind of vacuum circuit breaker described in accordance with the claim 1, it is characterised in that: be connected with and lead on the conductor sliding block (5)
Electric wire (24), one end of the conductor wire (24) are connected with the connecting terminal (25) for being fixedly mounted on the outside of the cabinet (1).
5. a kind of vacuum circuit breaker described in accordance with the claim 1, it is characterised in that: the inner end of a contact (6) be equipped with to
Outer arcwall face outstanding, the inner end of another contact (6) are equipped with the arcwall face being recessed inwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822196493.7U CN209487395U (en) | 2018-12-26 | 2018-12-26 | A kind of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822196493.7U CN209487395U (en) | 2018-12-26 | 2018-12-26 | A kind of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209487395U true CN209487395U (en) | 2019-10-11 |
Family
ID=68127951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822196493.7U Expired - Fee Related CN209487395U (en) | 2018-12-26 | 2018-12-26 | A kind of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209487395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300224A (en) * | 2021-05-28 | 2021-08-24 | 青岛大志美德电气有限公司 | Multifunctional low-voltage comprehensive distribution box capable of switching output capacity and automatically locking |
-
2018
- 2018-12-26 CN CN201822196493.7U patent/CN209487395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300224A (en) * | 2021-05-28 | 2021-08-24 | 青岛大志美德电气有限公司 | Multifunctional low-voltage comprehensive distribution box capable of switching output capacity and automatically locking |
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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 |
Granted publication date: 20191011 Termination date: 20201226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |