CN112509855B - Vacuum circuit breaker for switch cabinet - Google Patents
Vacuum circuit breaker for switch cabinet Download PDFInfo
- Publication number
- CN112509855B CN112509855B CN202011219384.8A CN202011219384A CN112509855B CN 112509855 B CN112509855 B CN 112509855B CN 202011219384 A CN202011219384 A CN 202011219384A CN 112509855 B CN112509855 B CN 112509855B
- Authority
- CN
- China
- Prior art keywords
- dust
- frame
- circuit breaker
- protection box
- box
- 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.)
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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
-
- 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
Abstract
The invention discloses a vacuum circuit breaker for a switch cabinet, and relates to the technical field of power distribution equipment. Including guard box and circuit breaker body, the inside activity of guard box is provided with the dust-proof frame, the circuit breaker body is located the space inside that guard box and dust-proof frame formed, the fixed box that is provided with of surface mounting of guard box, the inside swing joint of guard box has the conflict frame of contradicting with the dust-proof frame. Through setting up the operation piece and rotating for the operation piece can drive the loose axle of top and rotate, so make the loose axle of top can drive two locating levers through the drive belt and rotate clockwise simultaneously, thereby make the front end of dust proof rack can be popped out the guard box by the conflict frame, then made things convenient for the staff to take off the dust proof rack and wash and change the dust screen, reached the effect of being convenient for wash and change, avoided the dust screen to be stopped up by the dust and influence the circulation between inside air of guard box and the outside air.
Description
Technical Field
The invention relates to the technical field of power distribution equipment, in particular to a vacuum circuit breaker for a switch cabinet.
Background
With the continuous development of national economy, the structure and load characteristics of a power grid are increasingly complex, and in order to protect equipment and personal safety, higher requirements are put forward on power supply safety and reliability, and the most common circuit safety device is a circuit breaker, which is an electrical appliance with the functions of manual switching and automatic voltage loss, undervoltage, overload and short-circuit protection.
In the prior art, a common vacuum circuit breaker is located outdoors, in order to prevent solid particles in the outside air from entering the circuit breaker and being slowly accumulated to enable the solid particles to be short-circuited, a dust screen is arranged on the outer side of the vacuum circuit breaker, but the common installation mode is carried out through bolts, so that workers need to detach the bolts one by one when the dust screen is detached, cleaned and replaced, the detachment process is complicated, the detachment efficiency is reduced, and the vacuum circuit breaker for the switch cabinet is provided for solving the problems.
Disclosure of Invention
The invention provides a vacuum circuit breaker for a switch cabinet, which has the advantages of convenient cleaning and replacement and convenient limiting, and solves the problems of complex disassembly process and low disassembly efficiency.
In order to achieve the purposes of being convenient to clean, replace and limit, the invention provides the following technical scheme: the vacuum circuit breaker for the switch cabinet comprises a protection box and a circuit breaker body, wherein a dust-proof frame is movably arranged in the protection box, the circuit breaker body is positioned in a space formed by the protection box and the dust-proof frame, and a fixing box is fixedly arranged on the surface of the protection box;
the inside of the protection box is movably connected with an abutting frame abutting against the dust-proof frame, a dust-proof net is fixedly arranged in the dust-proof frame, two movable shafts are movably connected between the protection box and the fixed box, the surfaces of the movable shafts are fixedly connected with positioning rods and rotating shafts, and the two rotating shafts are in transmission connection through a transmission belt;
the top loose axle one end fixedly connected with operation piece, the surface swing joint of fixed box has the stopper, the side swing joint of stopper has two movable rods, two the equal swing joint of the other end of movable rod has the slider that is arranged in the guard box inner wall, fixed mounting has the fixed plate in the inner wall of guard box, through second spring fixed connection between fixed plate and the slider.
As a preferable technical scheme of the invention, the shape of the collision frame is matched with that of the dust-proof frame, the inner wall surface of the protection box is provided with a collision groove, and the collision groove is fixedly connected with the collision frame through a first spring.
As a preferable technical scheme of the invention, the movable rod and the movable shaft are both positioned on the same vertical line, and the movable rod is positioned between the two movable shafts.
As a preferable mode of the present invention, the first spring is in a compressed state at this time, and the second spring is in an initial state at this time.
As a preferable technical scheme of the invention, a sliding groove is formed in the inner wall of the protection box, two sliding blocks, a fixed plate and a second spring are all positioned in the sliding groove, and the sliding blocks are in sliding connection with the sliding groove.
As a preferable technical scheme of the invention, a limit groove is formed in the bottom of the operation block, and the top of the limit block is positioned in the limit groove.
Compared with the prior art, the invention provides the vacuum circuit breaker for the switch cabinet, which has the following beneficial effects:
1. this vacuum circuit breaker for cubical switchboard rotates through setting up the operation piece for the operation piece can drive the loose axle of top and rotate, so makes the loose axle of top can drive two locating levers through the drive belt and rotate clockwise simultaneously, thereby makes the front end of dust-proof rack pop out the guard box by the conflict frame, has made things convenient for the staff to take off the dust-proof rack and washs and change the dust screen, has reached the effect of being convenient for wash the change, has avoided the dust screen to be stopped up by the dust and influence the circulation between inside air of guard box and the outside air.
2. This vacuum circuit breaker for cubical switchboard is located the inside of operation piece through setting up the stopper to utilize the position of self elastic control no external force action lower slider through the second spring, so make the stopper can fix the position of restriction operation piece, reached the effect of being convenient for spacing, avoided the operation piece to appear unexpected pivoted condition, thereby can keep the position state between dust holder and the guard box.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top plan view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the dust-proof rack and the interference rack of the present invention;
fig. 4 is a side sectional view showing the structure of the fixing case of the present invention.
In the figure: 1. a protection box; 2. a dust-proof frame; 3. a fixed box; 4. a circuit breaker body; 5. a first spring; 6. a supporting frame; 7. a dust screen; 8. a movable shaft; 9. a positioning rod; 10. a rotating shaft; 11. a transmission belt; 12. an operation block; 13. a limiting block; 14. a movable rod; 15. a slide block; 16. a chute; 17. a fixing plate; 18. a second spring; 19. a limit groove; 20. the abutting groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the invention discloses a vacuum circuit breaker for a switch cabinet, which comprises a protection box 1 and a circuit breaker body 4, wherein a dust-proof frame 2 is movably arranged in the protection box 1, the circuit breaker body 4 is positioned in a space formed by the protection box 1 and the dust-proof frame 2, and a fixed box 3 is fixedly arranged on the surface of the protection box 1;
the inside of the protection box 1 is movably connected with a collision frame 6 which collides with the dust-proof frame 2, a dust screen 7 is fixedly arranged in the dust-proof frame 2, two movable shafts 8 are movably connected between the protection box 1 and the fixed box 3, the surfaces of the movable shafts 8 are fixedly connected with a positioning rod 9 and a rotating shaft 10, and the two rotating shafts 10 are in transmission connection through a transmission belt 11;
the top loose axle 8 one end fixedly connected with operation piece 12 rotates through setting up operation piece 12 for operation piece 12 can drive the loose axle 8 of top and rotate, so make the loose axle 8 of top can drive two locating levers 9 through drive belt 11 and rotate clockwise simultaneously, thereby make the front end of dust proof frame 2 pop out guard box 1 by conflict frame 6, then make things convenient for the staff to take off dust proof frame 2 and wash and change dust proof net 7, the effect of being convenient for wash and change has been reached, the circulation between the inside air of dust proof net 7 by the dust jam and influence guard box 1 and the outside air has been avoided, the surface swing joint of fixed box 3 has stopper 13, the side swing joint of stopper 13 has two movable levers 14, movable lever 14 and movable axle 8 all are in on the same perpendicular, movable lever 14 is located between two movable axles 8, two the equal swing joint of the other end of movable lever 14 has the slider 15 that is arranged in guard box 1 inner wall, fixed mounting has fixed plate 17 in the inner wall of guard box 1 and washs the change dust proof frame 7, the position can be reached through the fixed position that the stopper 17 is fixed with the second spring 13 through the fixed position of stopper 13, the position can be reached through the position of the fixed stop block 18, the position is reached through the second spring 12, and the unexpected position is reached under the position of the spring 12.
Specifically, the shape of the abutting frame 6 is matched with the shape of the dust-proof frame 2, the inner wall surface of the protection box 1 is provided with an abutting groove 20, the abutting groove 20 is fixedly connected with the abutting frame 6 through a first spring 5, and the first spring 5 is in a compressed state at the moment.
In this embodiment, the abutting groove 20 is fixedly connected with the abutting frame 6 through the first spring 5, so that the other side of the dust-proof frame 2 can be ejected to the side far away from the abutting frame 6 through the elasticity of the first spring 5 when no external force is applied, and the ejection effect is achieved.
Specifically, a sliding groove 16 is formed in the inner wall of the protection box 1, the two sliding blocks 15, the fixing plate 17 and the second spring 18 are all located inside the sliding groove 16, and the sliding blocks 15 are in sliding connection with the sliding groove 16.
In this embodiment, the sliding connection between the sliding blocks 15 and the sliding grooves 16 is utilized, so that the sliding grooves 16 can limit the moving direction of the sliding blocks 15, so that the two sliding blocks 15 can always move back and forth on the same axis.
Specifically, the bottom of the operation block 12 is provided with a limit groove 19, and the top of the limit block 13 is located inside the limit groove 19.
In this embodiment, the top of the limiting block 13 is located in the limiting groove 19, so that the limiting block 13 can limit the position of the operating block 12 through the limiting groove 19, thereby avoiding the accidental rotation of the operating block 12 and achieving the limiting effect.
The working principle and the using flow of the invention are as follows: when in use, the dustproof frame 2 is positioned in the protection box 1, so that the breaker body 4 is positioned in a space formed by the dustproof frame 2 and the protection box 1, and the dustproof net 7 can filter solid particles in air; when the dust screen 7 needs to be cleaned and replaced, the limiting block 13 is pressed, the limiting block 13 can drive the two movable rods 14 to move in a splayed manner, the limiting block 13 can be moved out of the limiting groove 19, then the operating block 12 is rotated clockwise, the operating block 12 can drive the movable shaft 8 above to rotate, the movable shaft 8 above can drive the movable shaft 8 below to rotate through the driving belt 11, the two positioning rods 9 can simultaneously rotate clockwise, the two positioning rods 9 can simultaneously move away from the front side of the dust screen 2, the front end of the dust screen 2 can be ejected out of the protection box 1 by the abutting frame 6, and then workers can conveniently take down the dust screen 2 and clean and replace the dust screen 7.
In summary, according to the vacuum circuit breaker for the switch cabinet, the operation block 12 is arranged to rotate, so that the operation block 12 can drive the movable shaft 8 above to rotate, and the movable shaft 8 above can drive the two positioning rods 9 to rotate clockwise through the transmission belt 11, so that the front end of the dust-proof frame 2 can be ejected out of the protection box 1 by the abutting frame 6, a worker can conveniently take down the dust-proof frame 2 and clean and replace the dust-proof screen 7, the effect of convenient cleaning and replacement is achieved, and the phenomenon that the dust-proof screen 7 is blocked by dust to influence the circulation between the air in the protection box 1 and the external air is avoided; the limiting block 13 is arranged in the operation block 12, and the position of the sliding block 15 is controlled by the elasticity of the second spring 18 under the action of no external force, so that the limiting block 13 can fix and limit the position of the operation block 12, the effect of being convenient for limiting is achieved, the condition that the operation block 12 rotates accidentally is avoided, and the position state between the dust-proof frame 2 and the protection box 1 can be maintained.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a vacuum circuit breaker for cubical switchboard, includes guard box (1) and circuit breaker body (4), its characterized in that: the circuit breaker is characterized in that a dust-proof frame (2) is movably arranged in the protection box (1), the circuit breaker body (4) is positioned in a space formed by the protection box (1) and the dust-proof frame (2), and a fixing box (3) is fixedly arranged on the surface of the protection box (1);
the anti-dust protection device is characterized in that an abutting frame (6) abutting against the dust-proof frame (2) is movably connected inside the protection box (1), a dust-proof net (7) is fixedly arranged inside the dust-proof frame (2), two movable shafts (8) are movably connected between the protection box (1) and the fixed box (3), a positioning rod (9) and a rotating shaft (10) are fixedly connected to the surfaces of the movable shafts (8), and the two rotating shafts (10) are in transmission connection through a transmission belt (11);
an operation block (12) is fixedly connected to one end of the movable shaft (8) above, a limiting block (13) is movably connected to the surface of the fixed box (3), two movable rods (14) are movably connected to the side face of the limiting block (13), sliding blocks (15) positioned in the inner wall of the protection box (1) are movably connected to the other ends of the two movable rods (14), a fixed plate (17) is fixedly installed in the inner wall of the protection box (1), and the fixed plate (17) is fixedly connected with the sliding blocks (15) through a second spring (18);
the shape of the abutting frame (6) is matched with that of the dustproof frame (2), an abutting groove (20) is formed in the inner wall surface of the protection box (1), and the abutting groove (20) is fixedly connected with the abutting frame (6) through a first spring (5);
the first spring (5) is in a compressed state at the moment, the second spring (18) is in an initial state at the moment,
a sliding groove (16) is formed in the inner wall of the protection box (1), two sliding blocks (15), a fixed plate (17) and a second spring (18) are all positioned in the sliding groove (16), the sliding blocks (15) are in sliding connection with the sliding groove (16),
the bottom of the operation block (12) is provided with a limit groove (19), and the top of the limit block (13) is positioned in the limit groove (19).
2. A vacuum interrupter for a switchgear as claimed in claim 1, wherein: the movable rod (14) and the movable shafts (8) are all positioned on the same vertical line, and the movable rod (14) is positioned between the two movable shafts (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219384.8A CN112509855B (en) | 2020-11-04 | 2020-11-04 | Vacuum circuit breaker for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219384.8A CN112509855B (en) | 2020-11-04 | 2020-11-04 | Vacuum circuit breaker for switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112509855A CN112509855A (en) | 2021-03-16 |
| CN112509855B true CN112509855B (en) | 2023-08-11 |
Family
ID=74955094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011219384.8A Active CN112509855B (en) | 2020-11-04 | 2020-11-04 | Vacuum circuit breaker for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112509855B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07130251A (en) * | 1993-09-29 | 1995-05-19 | Meidensha Corp | Operating device for switch |
| JPH10140949A (en) * | 1996-11-12 | 1998-05-26 | Tachikawa Blind Mfg Co Ltd | Operation device for horizontal blind |
| CN207092925U (en) * | 2017-06-06 | 2018-03-13 | 云和县华翎工业设计有限公司 | A kind of cleaning steel wire screen window device easy to disassemble |
| CN209183452U (en) * | 2019-02-13 | 2019-07-30 | 江西晶鼎电气有限公司 | A kind of vacuum circuit breaker flexible connection structure part |
| CN209982989U (en) * | 2019-03-27 | 2020-01-21 | 郑州商学院 | Frequency converter protection device for electrical control |
-
2020
- 2020-11-04 CN CN202011219384.8A patent/CN112509855B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07130251A (en) * | 1993-09-29 | 1995-05-19 | Meidensha Corp | Operating device for switch |
| JPH10140949A (en) * | 1996-11-12 | 1998-05-26 | Tachikawa Blind Mfg Co Ltd | Operation device for horizontal blind |
| CN207092925U (en) * | 2017-06-06 | 2018-03-13 | 云和县华翎工业设计有限公司 | A kind of cleaning steel wire screen window device easy to disassemble |
| CN209183452U (en) * | 2019-02-13 | 2019-07-30 | 江西晶鼎电气有限公司 | A kind of vacuum circuit breaker flexible connection structure part |
| CN209982989U (en) * | 2019-03-27 | 2020-01-21 | 郑州商学院 | Frequency converter protection device for electrical control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112509855A (en) | 2021-03-16 |
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