CN220106385U

CN220106385U - Power-off protection device of flexible direct-current transmission line based on direct-current circuit breaker

Info

Publication number: CN220106385U
Application number: CN202321385517.8U
Authority: CN
Inventors: 黄冬华; 李开明; 倪鹏友
Original assignee: ANHUI HUIKAI ELECTRIC CO LTD
Current assignee: ANHUI HUIKAI ELECTRIC CO LTD
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-11-28
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a power-off protection device of a flexible direct-current transmission line based on a direct-current circuit breaker, which belongs to the field of power-off protection devices of direct-current circuit breakers and aims to solve the problems that the position of the circuit breaker is relatively fixed and the connection is relatively inconvenient when other electrical equipment is connected through a cable in the using process of the circuit breaker body although the mounting and dismounting functions of the circuit breaker body are realized; according to the utility model, the circuit breaker body is arranged in the whole formed by the mounting frame and the front guard plate, and then the connecting block is pushed, so that the sliding block can slide left and right in the sliding groove under the cooperation of the sliding block, and the sliding block is fixed at a proper position by using the screw, so that the position of the circuit breaker body can be adjusted to be matched with other electrical equipment for use, and meanwhile, the abrasion of the sliding block can be effectively reduced by using the movable ball.

Description

Power-off protection device of flexible direct-current transmission line based on direct-current circuit breaker

Technical Field

The utility model relates to a power-off protection device of a direct-current circuit breaker, in particular to a power-off protection device of a flexible direct-current transmission line based on the direct-current circuit breaker.

Background

The direct current circuit breaker mainly comprises a neutral bus breaker, a neutral bus grounding breaker, a metal loop switching breaker and a ground loop switching breaker. When the flexible direct current transmission line of direct current circuit breaker uses, need cooperate outage protection device to use, when direct current transmission line takes place external disturbance or internal fault, can automatic cutout power, thereby prevent circuit short circuit, thereby protection electrical equipment and user's safety, in the document of patent number CN216084708U, a vacuum circuit breaker is proposed, relate to vacuum circuit breaker technical field, including the lower extreme of mount pad both sides all install the mounting panel in the articulated, the mount pad inner wall that lower mounting panel upper end corresponds is fixed with connecting spring, connecting spring lower extreme is fixed with the butt ball, the mounting panel is all installed to the both sides of circuit breaker, go up the mounting panel middle part and run through there is the auxiliary rod, auxiliary rod one end all is fixed with the revolving post, both ends of revolving post all are fixed with the revolving plate, the middle part of going up the mounting panel upper and lower extreme all runs through there is the butt plate, the butt strap piece is articulated to one end of butt plate, the lower extreme of butt plate one side all is fixed with the baffle, there is the pulling force rope in the lower extreme of butt plate both sides, there is the vacuum circuit breaker in the prior art and all spends time more when installing and dismantling, be unfavorable for the improvement of work efficiency when installing and dismantling the mounting panel inner wall corresponding mount pad, the connection spring, the electric circuit breaker is difficult to realize the stable function in the mounting panel through the mounting panel, the mounting panel is realized in the mounting panel and the device of the device is difficult to realize the realization of the device in the installation of the device, the device is convenient and the realization of the technical effect of the circuit breaker.

Disclosure of Invention

The utility model aims to overcome the defect that in the prior art, although the function of installing and dismantling a breaker body is realized, the position of the breaker is relatively fixed in the using process of the breaker body, and when other electrical equipment is connected through a cable, the position is inconvenient to adjust and the connection is relatively inconvenient, and provides a power-off protection device of a flexible direct-current transmission line based on a direct-current breaker, so that the defects are overcome, and the power-off protection device is convenient to use.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a power-off protection device of a flexible direct-current transmission line based on a direct-current circuit breaker, which comprises a circuit breaker body, wherein a connecting structure is arranged on the outer side of the circuit breaker body, a mounting structure is arranged on one side of the connecting structure, and the positions of the circuit breaker body and the connecting structure can be adjusted through the mounting structure;

the mounting structure includes the installing support and sets up the spout on the installing support surface, and the mounting piece is all installed at the upper and lower both ends of spout, and the inside sliding connection of spout has the slider, and one side of slider is connected with the linking structure, slider and spout looks adaptation, and fixes through the screw between spout and the slider, promotes the slider and can drive the linking structure and the circuit breaker body and control the removal.

Preferably, the linking structure is including setting up the linking piece in slider one side and setting up the arrangement frame in linking piece one side, and the arrangement frame is side U shape structure, and the both sides of arrangement frame are provided with the front guard board, and the whole that arrangement frame and logical groove constitute is used for placing the circuit breaker body, has still seted up logical groove on the lateral wall of arrangement frame, leads to groove evenly distributed on the surface of arrangement frame.

Preferably, the side wall of the sliding block is provided with a channel, a plurality of groups of movable balls are uniformly distributed in the channel, and the movable balls are used for reducing friction between the sliding block and the sliding groove.

Preferably, the circuit breaker body comprises a shell and splice plates arranged at the upper end and the lower end of the shell, heat dissipation grooves are uniformly distributed on the surfaces of the splice plates and communicated with the through grooves, the heat dissipation grooves and the through grooves are used for heat dissipation, and dust screens are arranged on the inner sides of the heat dissipation grooves.

Preferably, the upper end and the lower end of the shell are both provided with connecting grooves, one side of the splice plate, which is close to the shell, is provided with a connecting plate, and the connecting grooves and the connecting plate are fixedly installed through bolts.

Preferably, a sealing gasket is arranged on the outer wall of the connecting plate, the whole body formed by the connecting plate and the sealing gasket can slide into the connecting groove, and the sealing gasket is used for sealing between the connecting groove and the connecting plate.

Preferably, the splice plates are provided with two groups, and the two groups of splice plates are symmetrically distributed about the central line of the shell.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) According to the power-off protection device of the flexible direct-current transmission line based on the direct-current circuit breaker, the circuit breaker body, the mounting frame, the front guard plate, the sliding block and the sliding groove are arranged, the circuit breaker body is placed in the whole formed by the mounting frame and the front guard plate, then the connecting block is pushed, the sliding block can slide left and right in the sliding groove under the cooperation of the sliding block, and the sliding block is fixed at a proper position by using the screw, so that the position of the circuit breaker body can be adjusted to be matched with other electrical equipment for use, and meanwhile, the abrasion of the sliding block can be effectively reduced by using the arranged movable ball.

(2) According to the power-off protection device of the flexible direct-current transmission line based on the direct-current circuit breaker, provided by the utility model, the splice plate, the connecting block, the connecting groove, the sealing gasket, the shell, the heat dissipation groove and the through groove are arranged, an operator holds the splice plate by hand and slides the connecting plate into the connecting groove, the splice plate and the connecting groove can be fixed by using the bolts and are matched with the sealing gasket arranged, the compactness between the connecting plate and the connecting groove can be effectively improved, dust is prevented from entering, the splice plate and the shell can be spliced and installed at the moment, the assembly of the circuit breaker body can be completed, otherwise, the splice plate can be disassembled to maintain the inside of the shell, when the circuit breaker body is used, the heat dissipation groove arranged can be utilized to dissipate heat, and at the moment, the heat is discharged through the through groove, and the heat dissipation of the circuit breaker body cannot be influenced by the rest.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a schematic view of a connection structure according to the present utility model;

fig. 3 is a schematic view of the circuit breaker body structure of the present utility model;

FIG. 4 is a schematic view of the connecting groove and the connecting plate of the present utility model after being disassembled;

FIG. 5 is a schematic side view of a slider of the present utility model.

In the figure: 1. a circuit breaker body; 11. a housing; 12. splice plates; 13. a heat sink; 14. a bolt; 15. a connecting groove; 16. a connecting plate; 17. a sealing gasket; 18. a dust screen; 2. a connection structure; 21. a joint block; 22. a setting frame; 23. a through groove; 24. a front guard board; 3. a mounting structure; 31. a mounting bracket; 32. a chute; 33. a mounting piece; 34. a slide block; 341. a channel; 342. and (5) moving the ball.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1, the power-off protection device of the flexible direct current transmission line based on the direct current breaker comprises a circuit breaker body 1, wherein a connecting structure 2 is arranged on the outer side of the circuit breaker body 1, a mounting structure 3 is arranged on one side of the connecting structure 2, and the positions of the circuit breaker body 1 and the connecting structure 2 can be adjusted through the mounting structure 3.

The utility model is further described below with reference to examples.

Referring to fig. 2 to 5, the mounting structure 3 includes a mounting bracket 31 and a chute 32 formed on the surface of the mounting bracket 31, mounting plates 33 are mounted at the upper and lower ends of the chute 32, a sliding block 34 is slidably connected in the chute 32, one side of the sliding block 34 is connected with a connecting structure 2, the sliding block 34 is matched with the chute 32, the sliding block 32 and the sliding block 34 are fixed by screws, the sliding block 34 is pushed to drive the connecting structure 2 and the circuit breaker body 1 to move left and right, the connecting structure 2 includes a connecting block 21 formed on one side of the sliding block 34 and a mounting frame 22 formed on one side of the connecting block 21, the mounting frame 22 is in a side U-shaped structure, front guard plates 24 are arranged on two sides of the mounting frame 22, the whole body formed by the mounting frame 22 and the through grooves 23 is used for placing the circuit breaker body 1, through grooves 23 are formed on the side wall of the mounting frame 22, the through grooves 23 are uniformly distributed on the surface of the mounting frame 22, the side wall of the sliding block 34 is provided with a groove 341, a plurality of groups of movable balls 342 are uniformly distributed in the groove 341, the movable balls 342 are used for reducing friction between the sliding block 34 and the sliding groove 32, the circuit breaker body 1 comprises a shell 11 and splice plates 12 arranged at the upper end and the lower end of the shell 11, the surface of the splice plates 12 is uniformly distributed with a heat dissipation groove 13, the heat dissipation groove 13 is communicated with a through groove 23, the heat dissipation groove 13 and the through groove 23 are used for heat dissipation, the inner side of the heat dissipation groove 13 is provided with a dustproof net 18 and can prevent dust, the upper end and the lower end of the shell 11 are respectively provided with a connecting groove 15, one side of the splice plates 12 close to the shell 11 is provided with a connecting plate 16, the connecting grooves 15 and the connecting plates 16 are fixedly arranged through bolts 14, the outer wall of the connecting plates 16 is provided with a sealing gasket 17, and the whole body formed by the connecting plates 16 and the sealing gasket 17 can slide into the connecting grooves 15, the sealing gasket 17 is used for sealing the connecting groove 15 and the connecting plate 16, so that dust can not enter the shell 11 from the connecting groove 15 and the connecting plate 16 until now, two groups of splice plates 12 are arranged, and the two groups of splice plates 12 are symmetrically distributed about the central line of the shell 11.

In this embodiment, the operator holds splice plate 12, and slide connecting plate 16 into spread groove 15, utilize bolt 14 can fix both, and the sealed pad 17 that the cooperation set up, can effectively improve the compactness between connecting plate 16 and the spread groove 15, so as to avoid the dust entering, splice plate 12 can splice the installation between 11 with the shell this moment, can accomplish the equipment of circuit breaker body 1, on the contrary, dismantle splice plate 12 can be to the inside maintenance of shell 11, place circuit breaker body 1 in the whole inside of installing frame 22 and front guard plate 24 constitution, then promote joint piece 21, under the cooperation of slider 34, can make slider 34 slide about in spout 32, fix with the screw in suitable position, thereby can adjust the position of circuit breaker body 1, so as to cooperate the use with other electrical equipment, when the circuit breaker body 1 uses, can utilize the movable ball 342 of setting can effectively reduce the wearing and tearing of slider 34, when the circuit breaker body 1 uses, can utilize the groove 13 of setting to dispel the heat, the heat can be influenced by the heat dissipation of circuit breaker body 22 can not influence the heat dissipation frame 1 of circuit breaker body 1 through the cooperation of opening groove 23.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible direct current transmission line's power protection device based on direct current circuit breaker, includes circuit breaker body (1), its characterized in that: the circuit breaker is characterized in that a connecting structure (2) is arranged on the outer side of the circuit breaker body (1), a mounting structure (3) is arranged on one side of the connecting structure (2), and the positions of the circuit breaker body (1) and the connecting structure (2) can be adjusted through the mounting structure (3);

mounting structure (3) are including installing support (31) and offer spout (32) on installing support (31) surface, and mounting plate (33) are all installed at the upper and lower both ends of spout (32), and the inside sliding connection of spout (32) has slider (34), and one side of slider (34) is connected with linking structure (2), slider (34) and spout (32) looks adaptation, and fixes through the screw between spout (32) and slider (34), promotes slider (34) and can drive linking structure (2) and circuit breaker body (1) and control and remove.

2. The power-off protection device of a flexible direct current transmission line based on a direct current breaker according to claim 1, wherein: the connection structure (2) comprises a connection block (21) arranged on one side of the sliding block (34) and a placement frame (22) arranged on one side of the connection block (21), the placement frame (22) is of a side U-shaped structure, front guard plates (24) are arranged on two sides of the placement frame (22), the placement frame (22) and the through groove (23) form a whole for placing the circuit breaker body (1), the through groove (23) is further formed in the side wall of the placement frame (22), and the through groove (23) is uniformly distributed on the surface of the placement frame (22).

3. The power-off protection device of a flexible direct current transmission line based on a direct current breaker according to claim 1, wherein: the side wall of the sliding block (34) is provided with a groove (341), a plurality of groups of movable balls (342) are uniformly distributed in the groove (341), and the movable balls (342) are used for reducing friction between the sliding block (34) and the sliding groove (32).

4. The power-off protection device of a flexible direct current transmission line based on a direct current breaker according to claim 2, wherein: the circuit breaker body (1) comprises a shell (11) and splice plates (12) arranged at the upper end and the lower end of the shell (11), radiating grooves (13) are uniformly distributed on the surface of the splice plates (12), the radiating grooves (13) are communicated with through grooves (23), the radiating grooves (13) and the through grooves (23) are used for radiating heat, and dust screens (18) are arranged on the inner sides of the radiating grooves (13).

5. The power-off protection device for a flexible direct current transmission line based on a direct current breaker according to claim 4, wherein: connecting grooves (15) are formed in the upper end and the lower end of the shell (11), a connecting plate (16) is arranged on one side, close to the shell (11), of the splice plate (12), and the connecting grooves (15) and the connecting plate (16) are fixedly installed through bolts (14).

6. The power-off protection device for a flexible direct current transmission line based on a direct current breaker according to claim 5, wherein: the outer wall of the connecting plate (16) is provided with a sealing gasket (17), the whole body formed by the connecting plate (16) and the sealing gasket (17) can slide into the connecting groove (15), and the sealing gasket (17) is used for sealing between the connecting groove (15) and the connecting plate (16).

7. The power-off protection device for a flexible direct current transmission line based on a direct current breaker according to claim 5, wherein: the splice plates (12) are provided with two groups, and the two groups of splice plates (12) are symmetrically distributed about the central line of the shell (11).