CN214624935U

CN214624935U - Operation-convenient low-voltage circuit breaker for operation and maintenance of power system

Info

Publication number: CN214624935U
Application number: CN202121114441.6U
Authority: CN
Inventors: 金晶
Original assignee: Wuxi Yi'an Power Engineering Co ltd
Current assignee: Wuxi Yi'an Power Engineering Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-05
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses an electric power system fortune dimension is with low voltage circuit breaker of being convenient for operation, including box, low voltage circuit breaker body and cardboard, be equipped with the low voltage circuit breaker body in the box, and the four corners that corresponds the low voltage circuit breaker body on the box inner wall all is equipped with the cardboard, low voltage circuit breaker body right-hand member is equipped with the fixing base, and fixing base right-hand member cartridge has the fixed head, and the fixed head right-hand member is equipped with the connecting plate, it has the dead lever to run through on the connecting plate, dead lever right-hand member fixed connection box inner wall, and the cover is equipped with spring one on the dead lever, the connecting plate lower extreme is equipped with and pushes away the strip, and it is equipped with the limiting plate to push away a right side. The utility model discloses a promote right and push away the strip, make the fixed head shift out from in the fixing base, carry on spacingly pushing away the strip through the limiting plate, prevent that the fixed head from kick-backing to can directly take the low voltage circuit breaker body out from the cardboard, conveniently dismantle the low voltage circuit breaker body, thereby realized being convenient for to the maintenance operation of low voltage circuit breaker body.

Description

Operation-convenient low-voltage circuit breaker for operation and maintenance of power system

Technical Field

The utility model relates to an electric power system technical field especially relates to an electric power system fortune dimension is with low voltage circuit breaker of being convenient for operation.

Background

The low-voltage circuit breaker is a switching device which can not only connect and disconnect normal load current and overload current, but also connect and disconnect short-circuit current. The low-voltage circuit breaker has certain protection functions such as overload, short circuit, undervoltage and leakage protection besides the function of starting control in the circuit. The low-voltage circuit breakers are classified into various types, including a selective type and a non-selective type according to the types of use, and an air type and a vacuum type according to the types of arc extinguishing media. The low-voltage circuit breaker has a large capacity range, the minimum is 4A, and the maximum can reach 5000A. The low-voltage circuit breaker is widely applied to various levels of feed-out wires of a low-voltage distribution system, power control of various mechanical equipment and control and protection of power terminals.

When the low-voltage circuit breaker for operation and maintenance of the existing power system is used, the low-voltage circuit breaker is often fixed in an installation box through a plurality of fixing bolts, and when the low-voltage circuit breaker needs to be overhauled, the low-voltage circuit breaker is troublesome to disassemble, so that the overhauling operation of the low-voltage circuit breaker is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art low voltage circuit breaker and often fixing in the install bin through a plurality of fixing bolt, when needs overhaul low voltage circuit breaker, dismantle comparatively troublesome to influenced the problem of the maintenance operation to low voltage circuit breaker, and the low voltage circuit breaker of an electric power system fortune dimension with the operation of being convenient for that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a low-voltage circuit breaker convenient to operate for operation and maintenance of an electric power system comprises a box body, a low-voltage circuit breaker body and a clamping plate, wherein the low-voltage circuit breaker body is arranged in the box body, and four corners of the inner wall of the box body corresponding to the low-voltage circuit breaker body are respectively provided with a clamping plate, the right end of the low-voltage circuit breaker body is provided with a fixed seat, the right end of the fixed seat is inserted with a fixed head, the right end of the fixed head is provided with a connecting plate, a fixed rod penetrates through the connecting plate, the right end of the fixed rod is fixedly connected with the inner wall of the box body, a first spring is sleeved on the fixed rod, the lower end of the connecting plate is provided with a push bar, the right side of the push bar is provided with a limiting plate, the lower side in the box body is provided with a mesh plate, the lower side of the mesh plate is provided with a plurality of fan blades, the fan blades are provided with rotating rods, the opening has been seted up on the right side that the box right-hand member is located the bull stick, is equipped with the dust screen on the opening, a plurality of louvres have been opened to box left end upper side, and the box front end is equipped with the dodge gate.

Preferably, the right end of the limiting plate is provided with a limiting block, and the left end of the push bar is provided with a limiting groove corresponding to the limiting block.

Preferably, the limiting plate is provided with a rotating shaft, the left end of the rotating shaft is provided with a knob, the inner wall of the box body is provided with a rotating groove corresponding to the rotating shaft, and the rotating shaft is rotatably connected with the box body.

Preferably, the rotating rod is provided with a bearing, and the lower end of the bearing is fixedly connected with the bottom end in the box body.

Preferably, the right end of the rotating rod is provided with a first gear, and the upper end of the first gear is meshed with a second gear.

Preferably, the lower end of the mesh plate is provided with a motor, the right end of the motor is provided with an output shaft, the second gear is fixedly installed on the output shaft, the output shaft penetrates through the right end of the box body, the output shaft is provided with a brush, and the brush is attached to the right end of the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a promote right and push away the strip, make the fixed head shift out from in the fixing base, carry on spacingly pushing away the strip through the limiting plate, prevent that the fixed head from kick-backing to can directly take the low voltage circuit breaker body out from the cardboard, conveniently dismantle the low voltage circuit breaker body, thereby realized being convenient for to the maintenance operation of low voltage circuit breaker body.

2. The utility model discloses a flabellum sees through the mesh board with the external air and blows to the low voltage circuit breaker body, and the heat that is convenient for produce the low voltage circuit breaker body during operation is discharged from the louvre, has realized the circulation of air in the box to can carry out high-efficient heat dissipation to the low voltage circuit breaker body, ensured the normal work of low voltage circuit breaker body.

3. The utility model discloses a dust screen that sets up is convenient for play dirt-proof effect, also can drive the brush rotation in the output shaft pivoted, and the brush is convenient for strike off the dust that the dust screen surface was deposited, avoids the dust screen to produce the jam.

Drawings

Fig. 1 is the utility model provides a power system fortune dimension is with low voltage circuit breaker's of being convenient for operation schematic diagram.

Fig. 2 is the utility model provides a power system fortune dimension is with the structure schematic diagram of A department in the low voltage circuit breaker of being convenient for operation.

Fig. 3 is the utility model provides a power system fortune dimension is with the structure schematic diagram of B department in the low-voltage circuit breaker of being convenient for operation.

Fig. 4 is the utility model provides an electric power system fortune dimension is with outward appearance spatial structure schematic diagram of box in the low-voltage circuit breaker of being convenient for operation.

In the figure: 1. a box body; 2. a low-voltage circuit breaker body; 3. clamping a plate; 4. a fixed seat; 5. a fixed head; 6. a connecting plate; 7. fixing the rod; 8. a first spring; 9. pushing the strips; 10. a limiting plate; 11. a limiting block; 12. a limiting groove; 13. a rotating shaft; 14. rotating the groove; 15. a mesh plate; 17. a fan blade; 18. a rotating rod; 19. a bearing; 20. a port; 21. a dust screen; 22. a first gear; 23. a second gear; 24. an output shaft; 25. a motor; 26. a brush; 27. heat dissipation holes; 28. a movable door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-4, a low voltage circuit breaker for operation and maintenance of an electric power system comprises a box body 1, a low voltage circuit breaker body 2 and a clamping plate 3, wherein the low voltage circuit breaker body 2 is arranged in the box body 1, the clamping plate 3 is arranged on the inner wall of the box body 1 corresponding to four corners of the low voltage circuit breaker body 2, a fixed seat 4 is arranged at the right end of the low voltage circuit breaker body 2, a fixed head 5 is inserted into the right end of the fixed seat 4, a connecting plate 6 is arranged at the right end of the fixed head 5, a fixed rod 7 penetrates through the connecting plate 6, the right end of the fixed rod 7 is fixedly connected with the inner wall of the box body 1, a spring I8 is sleeved on the fixed rod 7, a push bar 9 is arranged at the lower end of the connecting plate 6, a limit plate 10 is arranged at the right side of the push bar 9, a limit block 11 is arranged at the right end of the limit plate 10, a limit groove 12 is arranged at the left end of the push bar 9 corresponding to the limit block 11, a rotating shaft 13 is arranged on the limit plate 10, a knob is arranged at the left end of the rotating shaft 13, and a rotating groove 14 is arranged on the inner wall of the box body 1 corresponding to the rotating shaft 13, pivot 13 rotates and connects box 1, in using, open dodge gate 28, it drives pivot 13 and limiting plate 10 rotation to rotate the knob earlier, rotate limiting plate 10 to the downside of pivot 13, promote right again and push away strip 9 and drive connecting plate 6, fixed head 5 moves right, fixed head 5 shifts out from fixing base 4, and make and push away strip 9 and move the right side of limiting plate 10, rotate pivot 13 again and make limiting plate 10 move to the positive left side that pushes away strip 9, loosen and push away strip 9 under the effect of spring 8, make stopper 11 cartridge in spacing groove 12, accomplish spacing to fixed head 5, this moment can directly take low-voltage circuit breaker body 2 from cardboard 3 out can, the convenience is dismantled low-voltage circuit breaker body 2, thereby realized being convenient for to the maintenance operation of low-voltage circuit breaker body 2.

Example two

Referring to fig. 1-4, in this embodiment, basically the same as the first embodiment, it is more preferable that a mesh plate 15 is disposed on the inner lower side of the box 1, a plurality of blades 17 are disposed on the lower side of the mesh plate 15, a rotating rod 18 is disposed on the blades 17, a bearing 19 is disposed on the rotating rod 18, the lower end of the bearing 19 is fixedly connected to the inner bottom end of the box 1, a through hole 20 is disposed on the right side of the rotating rod 18 at the right end of the box 1, a dust screen 21 is disposed on the through hole 20, a first gear 22 is disposed on the right end of the rotating rod 18, a second gear 23 is engaged with the upper end of the first gear 22, a motor 25 is disposed at the lower end of the mesh plate 15, an output shaft 24 is disposed at the right end of the motor 25, the second gear 23 is fixedly mounted on the output shaft 24, the output shaft 24 penetrates through the right end of the box 1, a brush 26 is disposed on the output shaft 24, the brush 26 is attached to the right end of the box 1, a plurality of heat dissipation holes 27 are disposed on the left end of the box 1, a movable door 28 is disposed at the front end of the box 1, when in use, motor 25 drives output shaft 24, two gears 23, gear 22, bull stick 18 and flabellum 17 rotate, see through mesh board 15 with the outside air through flabellum 17 and blow to low voltage circuit breaker body 2, be convenient for discharge low voltage circuit breaker body 2 during operation heat that produces from louvre 27, the circulation of air in box 1 has been realized, thereby can carry out high-efficient heat dissipation to low voltage circuit breaker body 2, the normal work of low voltage circuit breaker body 2 has been ensured, the dust screen 21 that sets up is convenient for play dirt-proof effect, also can drive brush 26 when output shaft 24 rotates and rotate, brush 26 is convenient for strike off the dust that dust screen 21 surface accumulated, avoid dust screen 21 to produce the jam.

The working principle is as follows: the movable door 28 is opened, the knob is rotated to drive the rotating shaft 13 and the limiting plate 10 to rotate, the limiting plate 10 is rotated to the lower side of the rotating shaft 13, the pushing strip 9 is pushed rightwards to drive the connecting plate 6, the fixing head 5 moves rightwards, the fixing head 5 is moved out of the fixing seat 4, the pushing strip 9 is moved to the right side of the limiting plate 10, the rotating shaft 13 is rotated to drive the limiting plate 10 to move to the right left side of the pushing strip 9, the pushing strip 9 is loosened under the action of the first spring 8, the limiting block 11 is inserted in the limiting groove 12 to complete the limiting of the fixing head 5, the low-voltage circuit breaker body 2 can be directly pulled out of the clamping plate 3 at the moment, the low-voltage circuit breaker body 2 is convenient to disassemble, the overhauling operation on the low-voltage circuit breaker body 2 is convenient, the motor 25 drives the output shaft 24, the second gear 23, the first gear 22, the rotating rod 18 and the fan blades 17 to rotate, the external air is blown to the low-voltage circuit breaker body 2 through the mesh plate 15, heat that is convenient for produce low voltage circuit breaker body 2 during operation is discharged from louvre 27, realized the circulation of air in the box 1, thereby can carry out high-efficient heat dissipation to low voltage circuit breaker body 2, low voltage circuit breaker body 2's normal work has been ensured, the dust screen 21 that sets up is convenient for play dirt-proof effect, output shaft 24 pivoted also can drive brush 26 and rotate simultaneously, brush 26 is convenient for strike off the dust that dust screen 21 surface stored up, avoid dust screen 21 to produce and block up.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a low voltage circuit breaker of electric power system fortune dimension with being convenient for operation, includes box (1), low voltage circuit breaker body (2) and cardboard (3), its characterized in that: the novel low-voltage circuit breaker is characterized in that a low-voltage circuit breaker body (2) is arranged in the box body (1), four corners of the inner wall of the box body (1) corresponding to the low-voltage circuit breaker body (2) are respectively provided with a clamping plate (3), the right end of the low-voltage circuit breaker body (2) is provided with a fixing seat (4), the right end of the fixing seat (4) is inserted with a fixing head (5), the right end of the fixing head (5) is provided with a connecting plate (6), a fixing rod (7) penetrates through the connecting plate (6), the right end of the fixing rod (7) is fixedly connected with the inner wall of the box body (1), a first spring (8) is sleeved on the fixing rod (7), the lower end of the connecting plate (6) is provided with a push bar (9), the right side of the push bar (9) is provided with a limiting plate (10), the lower side in the box body (1) is provided with a mesh plate (15), the lower side of the mesh plate (15) is provided with a plurality of fan blades (17), a rotating rod (18) is arranged on the right side of the box body (1), and a through hole (20) is arranged on the right side of the rotating rod (18), be equipped with dust screen (21) on opening (20), box (1) left end upper side is opened and is equipped with a plurality of louvres (27), and box (1) front end is equipped with dodge gate (28).

2. A low voltage circuit breaker for operation and maintenance of an electrical power system according to claim 1, wherein: the right end of the limiting plate (10) is provided with a limiting block (11), and the left end of the push bar (9) is provided with a limiting groove (12) corresponding to the limiting block (11).

3. A low voltage circuit breaker for operation and maintenance of an electrical power system according to claim 1, wherein: the limiting plate (10) is provided with a rotating shaft (13), the left end of the rotating shaft (13) is provided with a knob, a rotating groove (14) is formed in the inner wall of the box body (1) corresponding to the rotating shaft (13), and the rotating shaft (13) is rotatably connected with the box body (1).

4. A low voltage circuit breaker for operation and maintenance of an electrical power system according to claim 1, wherein: the rotating rod (18) is provided with a bearing (19), and the lower end of the bearing (19) is fixedly connected with the inner bottom end of the box body (1).

5. A low voltage circuit breaker for operation and maintenance of an electrical power system according to claim 1, wherein: the right end of the rotating rod (18) is provided with a first gear (22), and the upper end of the first gear (22) is meshed with a second gear (23).

6. A low voltage circuit breaker for operation and maintenance of an electrical power system according to claim 1, wherein: the lower end of the mesh plate (15) is provided with a motor (25), the right end of the motor (25) is provided with an output shaft (24), a second gear (23) is fixedly installed on the output shaft (24), the output shaft (24) penetrates through the right end of the box body (1), the output shaft (24) is provided with a brush (26), and the brush (26) is attached to the right end of the box body (1).