CN215417994U - Indoor high-protection vacuum circuit breaker - Google Patents

Abstract

The utility model discloses an indoor high-protection vacuum circuit breaker, which comprises a wall body and a circuit breaker body, wherein two sides of the surface of the wall body are fixedly connected with sliding groove plates, sliding blocks are arranged in the sliding groove plates in a sliding mode, the surface of each sliding block is fixedly connected with a protection box, two sides of the inner cavity of each protection box are fixedly connected with limiting clamping plates, and the utility model relates to the technical field of power distribution safety. This indoor high protection vacuum circuit breaker that uses, set up the protective housing and install it in the higher position of wall body through the outside at the circuit breaker body, consequently can prevent effectively that indoor personnel from touching it in daily life, even break down can not influence personnel's safety yet, and be connected electric telescopic handle's starting power supply and circuit breaker body again, can take out L type fixture block and press the button when taking place the open circuit, thereby it is rotatory to make the motor drive gear, let protective housing and circuit breaker body descend.

Description

Indoor high-protection vacuum circuit breaker

Technical Field

The utility model relates to the technical field of power distribution safety, in particular to an indoor high-protection vacuum circuit breaker.

Background

The vacuum circuit breaker body is named because arc extinguishing media of the vacuum circuit breaker body and insulating media of a contact gap after arc extinguishing are high vacuum; the vacuum circuit breaker has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinction, is popularized in power distribution networks, the vacuum circuit breaker body is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be configured in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

The vacuum circuit breaker body is basically installed outdoors in actual life, but also has to install the circuit breaker body indoor under special purpose, because the circuit breaker body is the professional device that carries out the arc extinguishing when being used for the distribution and taking place the short circuit, so the danger is very big, consequently install because of accomplishing better protection when indoor, but current indoor vacuum circuit breaker body mounted position is all lower, most personnel all can touch including children, if the mounted position is too high, the staff just need ascend a height the operation when the maintenance, a lot of accident risk points have increased in the intangible, the circuit breaker body is when taking place the short circuit simultaneously, although can in time extinguish the arc, nevertheless high voltage still can produce high temperature, thereby can cause the life reduction of component.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an indoor high-protection vacuum circuit breaker, which solves the problems that the existing indoor vacuum circuit breaker body has defects in safety protection, indoor personnel face certain safety risks and the device is maintained.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a high-protection vacuum circuit breaker for indoor use comprises a wall body and a circuit breaker body, wherein both sides of the surface of the wall body are fixedly connected with a sliding chute plate, a sliding block is slidably arranged inside the sliding chute plate, the surface of the sliding block is fixedly connected with a protective box, both sides of the inner cavity of the protective box are fixedly connected with limiting clamping plates, the circuit breaker body is fixedly connected between the two limiting clamping plates, a linkage frame is fixedly arranged on the surface of the wall body and positioned on the right side of the protective box, the right side of the top of the linkage frame is fixedly connected with a limiting frame, the upper part of the right side of the inner cavity of the protective box is fixedly connected with a fixed box through an opening, the left side of the inner cavity of the fixed box is fixedly connected with an electric telescopic rod, one end of the electric telescopic rod is fixedly connected with an L-shaped fixture block, and the bottom of the inner cavity of the fixed box is fixedly provided with a first trigger button matched with the L-shaped fixture block for use through a connecting plate, the one end of L type fixture block runs through fixed box and extends to the inside of spacing frame, the right side fixedly connected with spring of spacing frame inner chamber, the one end of spring contacts through the one end of fixed plate with L type fixture block, the opening that cooperatees and use with L type fixture block is seted up on the right side of fixed box.

Preferably, the rear portion fixedly connected with rack plate of linkage frame inner chamber, the left below fixedly connected with drive box of protective housing, the left side of drive box inner chamber is through fixed plate fixedly connected with motor.

Preferably, the output shaft of motor passes through shaft coupling fixed connection dwang, the one end of dwang runs through drive box, protective housing and linkage frame in proper order and extends to the inside of linkage frame.

Preferably, the movable opening that cooperatees and use with the dwang is seted up in the left side of linkage frame, the surface of dwang just is located the inside fixedly connected with of linkage frame and rack board engaged with gear.

Preferably, the upper portion on linkage frame inner chamber right side has the second trigger button that cooperatees and use with the dwang through connecting plate fixed mounting.

Preferably, the top and the bottom of the protection box are both fixedly connected with an exhaust fan through an opening.

Advantageous effects

The utility model provides an indoor high-protection vacuum circuit breaker. Compared with the prior art, the method has the following beneficial effects:

(1) this indoor high protection vacuum circuit breaker that uses, set up the protective housing and install it in the higher position of wall body through the outside at the circuit breaker body, consequently can prevent effectively that indoor personnel from touching it in daily life, even break down can not influence personnel's safety yet, and be connected electric telescopic handle's starting power supply and circuit breaker body again, can take out L type fixture block and press the button when breaking off, thereby it is rotatory to make the motor drive the gear, let protective housing and circuit breaker body descend, thereby make things convenient for staff's maintenance, this device only just can descend when damaging the outage, indoor personnel's safety has not only been guaranteed, more the maintenance provides convenience, make the practicality of device itself greatly promote.

(2) This indoor high protection vacuum circuit breaker with, through installing exhaust fan respectively with the bottom at the top of protecting box, when taking place the short circuit because of circuit breaker body arc extinguishing produces high temperature, accessible L type fixture block start button makes the fan motion, cools down to inside, has effectually protected its life to internal component.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the protective case, linkage frame and retaining box structure of the present invention;

FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;

FIG. 4 is an enlarged view of a portion of the present invention at B of FIG. 2;

FIG. 5 is a top view of the wall, shielding box and exhaust fan structure of the present invention.

In the figure: 1. a wall body; 2. a circuit breaker body; 3. a chute plate; 4. a slider; 5. a protective box; 6. a limiting clamping plate; 7. a linkage frame; 8. a limiting frame; 9. a fixing box; 10. an electric telescopic rod; 11. an L-shaped fixture block; 12. a first trigger button; 13. a spring; 14. a port; 15. a rack plate; 16. a drive box; 17. a motor; 18. rotating the rod; 19. a movable opening; 20. a gear; 21. a second trigger button; 22. an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a high-protection vacuum circuit breaker for indoor use comprises a wall body 1 and a circuit breaker body 2, wherein both sides of the surface of the wall body 1 are fixedly connected with a sliding chute plate 3, a sliding block 4 is slidably mounted inside the sliding chute plate 3, the surface of the sliding block 4 is fixedly connected with a protective box 5, both sides of the inner cavity of the protective box 5 are fixedly connected with limiting clamping plates 6, the circuit breaker body 2 is fixedly connected between the two limiting clamping plates 6, a linkage frame 7 is fixedly mounted on the surface of the wall body 1 and positioned on the right side of the protective box 5, the right side of the top of the linkage frame 7 is fixedly connected with a limiting frame 8, the upper part on the right side of the inner cavity of the protective box 5 is fixedly connected with a fixed box 9 through an opening, the left side of the inner cavity of the fixed box 9 is fixedly connected with an electric telescopic rod 10, the electric telescopic rod 10 is a self-locking type telescopic rod, the electric telescopic rod 10 is connected with a power supply of the circuit breaker body 2 through an electric wire, one end of the electric telescopic rod 10 is fixedly connected with an L-shaped clamping block 11, the bottom of the inner cavity of the fixed box 9 is fixedly provided with a first trigger button 12 matched with the L-shaped fixture block 11 for use through a connecting plate, the first trigger button 12 can control a motor 17 and an exhaust fan 22, one end of the L-shaped fixture block 11 penetrates through the fixed box 9 and extends into the limiting frame 8, the right side of the inner cavity of the limiting frame 8 is fixedly connected with a spring 13, one end of the spring 13 is contacted with one end of the L-shaped fixture block 11 through a fixing plate, the right side of the fixed box 9 is provided with a through hole 14 matched with the L-shaped fixture block 11 for use, the rear part of the inner cavity of the linkage frame 7 is fixedly connected with a rack plate 15, the left lower part of the left side of the protection box 5 is fixedly connected with a driving box 16, the left side of the inner cavity of the driving box 16 is fixedly connected with the motor 17 through the fixing plate, and the output shaft of the motor 17 is fixedly connected with a rotating rod 18 through a shaft coupling, the one end of dwang 18 runs through drive box 16 in proper order, protective housing 5 and linkage frame 7 and extend to the inside of linkage frame 7, the expansion joint 19 that cooperatees and use with dwang 18 is seted up in the left side of linkage frame 7, the surface of dwang 18 just is located the inside fixedly connected with and the gear 20 that rack plate 15 engaged with of linkage frame 7, the upper portion on linkage frame 7 inner chamber right side has the second trigger button 21 that cooperatees and use with dwang 18 through connecting plate fixed mounting, second trigger button 21 can stop motor 17 and start electric telescopic handle 10, the top and the bottom of protective housing 5 are all through seting up opening fixedly connected with exhaust fan 22.

And those not described in detail in this specification are well within the skill of those in the art.

When the circuit breaker is used, after the circuit breaker body 2 cuts off the current and extinguishes the arc, at the moment, because the tripping circuit breaker body 2 is electrified and stopped, the electric telescopic rod 10 also stops working, the L-shaped fixture block 11 is popped out of the limiting frame 8 under the thrust of the spring 13 in the limiting frame 8 and the L-shaped fixture block 11, meanwhile, the first trigger button 12 is also pressed, at the moment, the motor 17 is started, the output shaft of the motor 17 drives the rotating rod 18 and the gear 20 to rotate, the protective box 5 moves downwards under the action of the rack plate 15 and the chute plate 3, the exhaust fan 22 is started to operate, high temperature generated by high-voltage current in the interior is removed, the interior is cooled, at the moment, a worker can maintain the circuit breaker, the motor 17 is restarted after maintenance is finished, the gear 20 drives the circuit breaker body 2 to ascend, and the motor 17 stops operating after the rotating rod 18 presses the second trigger button 21, make circuit breaker body 2 preserve the height, electric telescopic handle 10 starts to push into spacing frame 8 with L type fixture block 11 inside this moment, fixes and spacing protective housing 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an indoor high protection vacuum circuit breaker that uses, includes wall body (1) and circuit breaker body (2), its characterized in that: both sides of the surface of the wall body (1) are fixedly connected with sliding groove plates (3), a sliding block (4) is arranged in the sliding groove plates (3) in a sliding mode, the surface of the sliding block (4) is fixedly connected with a protective box (5), both sides of the inner cavity of the protective box (5) are fixedly connected with limiting clamping plates (6), the circuit breaker body (2) is fixedly connected between the two limiting clamping plates (6), a linkage frame (7) is fixedly arranged on the surface of the wall body (1) and positioned on the right side of the protective box (5), a limiting frame (8) is fixedly connected on the right side of the top of the linkage frame (7), a fixed box (9) is fixedly connected on the upper portion of the right side of the inner cavity of the protective box (5) through an opening, an electric telescopic rod (10) is fixedly connected on the left side of the inner cavity of the fixed box (9), and an L-shaped clamping block (11) is fixedly connected with one end of the electric telescopic rod (10), the bottom of fixed box (9) inner chamber has first trigger button (12) that cooperate the use with L type fixture block (11) through connecting plate fixed mounting, the one end of L type fixture block (11) runs through fixed box (9) and extends to the inside of spacing frame (8), the right side fixedly connected with spring (13) of spacing frame (8) inner chamber, the one end of spring (13) is passed through the fixed plate and is contacted with the one end of L type fixture block (11), opening (14) that cooperate the use with L type fixture block (11) are seted up on the right side of fixed box (9).

2. The high-protection vacuum circuit breaker for indoor use according to claim 1, wherein: the rear portion fixedly connected with rack plate (15) of linkage frame (7) inner chamber, left below fixedly connected with drive case (16) of guard box (5), fixed plate fixedly connected with motor (17) are passed through to the left side of drive case (16) inner chamber.

3. The high-protection vacuum circuit breaker for indoor use according to claim 2, wherein: the output shaft of motor (17) passes through shaft coupling fixed connection dwang (18), the one end of dwang (18) runs through drive box (16), protective housing (5) and linkage frame (7) in proper order and extends to the inside of linkage frame (7).

4. The high-protection vacuum circuit breaker for indoor use according to claim 1, wherein: the movable opening (19) that cooperatees and use with dwang (18) is seted up in the left side of linkage frame (7), the inside fixedly connected with that just is located linkage frame (7) on the surface of dwang (18) and rack plate (15) engaged with gear (20).

5. The high-protection vacuum circuit breaker for indoor use according to claim 1, wherein: and a second trigger button (21) matched with the rotating rod (18) for use is fixedly arranged on the upper part of the right side of the inner cavity of the linkage frame (7) through a connecting plate.

6. The high-protection vacuum circuit breaker for indoor use according to claim 1, wherein: the top and the bottom of the protective box (5) are both fixedly connected with an exhaust fan (22) through an opening.

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