CN217508002U

CN217508002U - Bus residual voltage rapid voltage reduction device

Info

Publication number: CN217508002U
Application number: CN202221123832.9U
Authority: CN
Inventors: 卜寿如; 季大林
Original assignee: Anhui Dean Electrical Equipment Co ltd
Current assignee: Anhui Dean Electrical Equipment Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-27
Anticipated expiration: 2032-05-11

Abstract

The utility model belongs to the technical field of the line protection technique and specifically relates to quick pressure reduction means of generating line residual voltage to current pressure reduction cabinet goes up the problem of the dismouting of being not convenient for of filter screen, now proposes following scheme, and it includes the pressure reduction cabinet and installs the components and parts inside the pressure reduction cabinet, all seted up a plurality of vents on the outer wall of pressure reduction cabinet both sides, all installed fixed frame on the inner wall of a plurality of vents, it is a plurality of fixed frame's inside all installs the filter screen through coupling mechanism, coupling mechanism is including seting up two movable slots on fixed frame top inner wall and bottom inner wall respectively, two fixed strips on one side inner wall are kept away from mutually to the rigid coupling at two movable slots respectively. The utility model provides a filter screen on traditional step-down cabinet be not convenient for change the problem of clearance to avoid the filter screen to appear blockking up easily, and then influenced the problem of the inside radiating rate of step-down cabinet.

Description

Bus residual voltage rapid voltage reduction device

Technical Field

The utility model relates to a line protection field especially relates to quick step-down device of generating line residual voltage.

Background

Many consumer are very sensitive to the falling of voltage among the electric power system, when the system takes place to shake the electricity, reduce the residual voltage of generating line through the step-down cabinet, thereby the impact to the relevant equipment of electric wire netting has been reduced, thereby play the effect of protection consumer, this step-down cabinet is after long-time the use at present, install the filter screen of taking place the position of step-down cabinet vent and block up easily, need pull down it and clear up, the dismouting of present filter screen is very inconvenient, for this reason, this scheme has proposed the quick pressure reduction means of generating line residual voltage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick step-down device of generating line residual voltage has solved the problem of the dismouting of being not convenient for of the filter screen of the pressure-reducing cabinet among the prior art.

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

the bus residual voltage rapid voltage reduction device comprises a voltage reduction cabinet and components mounted inside the voltage reduction cabinet, wherein the outer walls of two sides of the voltage reduction cabinet are respectively provided with a plurality of vents, the inner walls of the vents are respectively provided with a fixed frame, the inside of the fixed frames is respectively provided with a filter screen through a connecting mechanism, the connecting mechanism comprises two movable grooves respectively formed on the inner wall of the top part and the inner wall of the bottom part of the fixed frame, two fixed strips respectively fixedly connected on the inner wall of one side, far away from the two movable grooves, two slide blocks respectively connected on the outer walls of the two fixed strips in a sliding way, two connecting rods respectively hinged on the outer wall of one side of the two slide blocks and two abutting plates respectively hinged at the other ends of the two connecting rods, one side, close to the two abutting plates, respectively extends to the outer parts of the two movable grooves and is matched with the filter screen, and the abutting plates are connected inside the movable grooves in a sliding way, still be connected through elastic component between butt joint board and the fixed frame, the below of components and parts is provided with and is used for carrying out radiating heat dissipation mechanism to the decompression cabinet inside.

Preferably, the connecting mechanism further comprises two bolts respectively screwed inside the two sliding blocks, the bolts penetrate through the sliding blocks, and one ends of the bolts, which are close to the abutting plates, are abutted to the outer wall of the filter screen.

Preferably, the elastic component includes two chutes arranged inside the fixed frame, two slide bars respectively connected to the two chutes in a sliding manner, and two springs respectively sleeved outside the two slide bars, wherein one ends of the slide bars respectively extend to the outside of the two chutes and are fixedly connected to the outer wall of the butt plate, one ends of the springs are fixedly connected to the inside of the movable groove, and the other ends of the springs are fixedly connected to the outer wall of the butt plate.

Preferably, the heat dissipation mechanism includes the motor of installing on the inner wall of step-down cabinet bottom, rotates two transmission shafts of connecting on the inner wall of step-down cabinet bottom and two flabellums of rigid coupling respectively on two transmission shaft tops, be connected through two drive assembly transmissions respectively between motor output shaft and the two transmission shafts.

Preferably, the transmission assembly comprises two transmission wheels respectively sleeved outside the output shaft of the motor and outside the transmission shaft, and a belt in transmission connection with the two transmission wheels.

Preferably, an isolation net is installed on the inner wall of the depressurization cabinet and is located above the fan blades.

The utility model has the advantages that:

1. through the cooperation of each part of coupling mechanism, improved the convenience of the filter screen dismouting on the decompression cabinet, and then solved traditional filter screen on the decompression cabinet and be not convenient for change the problem of clearance to avoid the filter screen to appear blocking easily, and then influenced the problem of the inside radiating rate of decompression cabinet.

2. Through the cooperation of each part of heat dissipation mechanism, improved the inside radiating efficiency of step-down cabinet, solved traditional step-down cabinet and relied on simple ventilation cooling to lead to the slower problem of its inside radiating rate.

The utility model discloses rational in infrastructure, dismouting easy operation is fixed reliable, has solved the problem that traditional step-down cabinet filter screen was not convenient for change the clearance to avoided the filter screen to appear blocking easily, and then influenced the problem of the inside radiating rate of step-down cabinet.

Drawings

Fig. 1 is a front sectional view of the internal structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged view of the point B in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a decompression cabinet; 2. a vent; 3. a fixed frame; 4. a filter screen; 5. a movable groove; 6. a fixing strip; 7. a slider; 8. a connecting rod; 9. a butt joint plate; 10. a bolt; 11. a slide bar; 12. a spring; 13. a motor; 14. a drive shaft; 15. a fan blade; 16. a driving wheel; 17. a belt; 18. an isolation net.

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.

Referring to fig. 1-3, the bus residual voltage rapid voltage reduction device comprises a voltage reduction cabinet 1 and components mounted inside the voltage reduction cabinet 1, wherein a plurality of vents 2 are formed in the outer walls of the two sides of the voltage reduction cabinet 1, fixed frames 3 are mounted on the inner walls of the vents 2, a filter screen 4 is mounted inside the fixed frames 3 through a connecting mechanism, a handle is mounted on the filter screen 4 so as to move the filter screen 4, and a heat dissipation mechanism for dissipating heat of the components is arranged below the components;

the connecting mechanism comprises two movable grooves 5 respectively arranged on the inner wall of the top part and the inner wall of the bottom part of the fixed frame 3, two fixed strips 6 respectively fixedly connected on the inner wall of one side far away from the two movable grooves 5, two sliding blocks 7 respectively connected on the outer walls of the two fixed strips 6 in a sliding way, two connecting rods 8 respectively hinged on the outer walls of one sides of the two sliding blocks 7 and two abutting plates 9 respectively hinged at the other ends of the two connecting rods 8, the connecting mechanism also comprises two bolts 10 respectively screwed inside the two sliding blocks 7, one sides of the two abutting plates 9 close to each other respectively extend to the outer parts of the two movable grooves 5 and are matched with the filter screen 4, the abutting plates 9 are connected inside the movable grooves 5 in a sliding way, the abutting plates 9 are connected with the fixed frame 3 through elastic components, the bolts 10 penetrate through the sliding blocks 7 and are arranged, and one ends of the bolts 10 close to the abutting plates 9 are abutted against the outer walls of the filter screen 4, the elastic component comprises two chutes arranged inside the fixed frame 3, two slide bars 11 respectively connected inside the two chutes in a sliding way, and two springs 12 respectively sleeved outside the two slide bars 11, one ends of the two slide bars 11 respectively extend to the outside of the two chutes and are both fixedly connected with the outer wall of the abutting plate 9, one end of each spring 12 is fixedly connected with the inside of the movable groove 5, the other end of each spring 12 is fixedly connected with the outer wall of the abutting plate 9, the filter screen 4 needs to be dismounted for cleaning after being used for a long time, when a worker needs to dismount the filter screen 4 for replacement, the bolt 10 is rotated anticlockwise to move towards the direction away from the filter screen 4 until the abutted end of the bolt 10 moves to the inside of the sliding block 7, then the filter screen 4 is driven to move towards the outside of the fixed frame 3 through a handle, and then the abutting plate 9 is driven to synchronously move along with the filter screen 4 through the resilience force of the spring 12, then, the connecting rod 8 drives the sliding block 7 to move towards the inside of the movable groove 5 along the outer wall of the fixing strip 6, so that the sliding block 7 and the bolt 10 do not obstruct the moving-out of the filter screen 4, the filter screen 4 can be detached, when a worker needs to reinstall the filter screen 4, the filter screen 4 is placed on the inner side of the fixing frame 3, the filter screen 4 is horizontally pushed to move towards one side of the abutting plate 9, when the filter screen 4 abuts against the abutting plate 9, the abutting plate 9 starts to be driven to move, the connecting rod 8 drives the sliding block 7 to move towards the outside of the movable groove 5 along the outer wall of the fixing strip 6, when the filter screen 4 cannot move continuously, the bolt 10 is rotated clockwise to move towards the filter screen 4, and the filter screen 4 abuts against the abutting plate 9, and then the installation of the filter screen 4 can be completed;

the heat dissipation mechanism comprises a motor 13 arranged on the inner wall of the bottom of the pressure reduction cabinet 1, two transmission shafts 14 rotatably connected to the inner wall of the bottom of the pressure reduction cabinet 1 and two fan blades 15 fixedly connected to the top ends of the two transmission shafts 14 respectively, an output shaft of the motor 13 is in transmission connection with the two transmission shafts 14 through two transmission assemblies respectively, the output shaft of the motor 13 drives the two transmission shafts 14 to synchronously rotate through the two transmission assemblies in the rotation process, and then drives the two fan blades 15 to synchronously rotate, so that the components inside the pressure reduction cabinet 1 are cooled and dissipated;

the transmission assembly comprises two transmission wheels 16 respectively sleeved outside the output shaft of the motor 13 and the transmission shaft 14 and a belt 17 in transmission connection with the two transmission wheels 16, the output shaft of the motor 13 drives the transmission wheels 16 outside the motor to rotate in the rotating process, and the transmission shaft 14 is driven to synchronously rotate under the action of the transmission connection of the belt 17 and the other transmission wheel 16;

the inner wall of the decompression cabinet 1 is provided with the isolation net 18, the isolation net 18 is positioned above the fan blades 15, and the isolation net 18 is arranged to prevent hands or other parts from contacting the fan blades 15, so that the problem that the fan blades 15 damage human bodies in the rotating process is avoided.

The working principle is as follows: when a worker needs to detach the filter screen 4 for replacement, the bolt 10 is rotated anticlockwise to move in a direction away from the filter screen 4 until one end abutted against the bolt 10 moves to the inside of the sliding block 7, then the filter screen 4 is driven to move towards the outside of the fixed frame 3 through the handle, then the abutting plate 9 is driven to synchronously move along the filter screen 4 through the resilience force of the spring 12, the sliding block 7 is driven to move towards the inside of the movable groove 5 along the outer wall of the fixed strip 6 through the connecting rod 8, so that the sliding block 7 and the bolt 10 do not obstruct the moving-out of the filter screen 4, the filter screen 4 can be detached, when the worker needs to re-install the filter screen 4, the filter screen 4 is placed on the inner side of the fixed frame 3, the filter screen 4 is horizontally pushed to move towards one side of the abutting plate 9, when the filter screen 4 abuts against the abutting plate 9, the abutting plate 9 starts to be driven to move, then, the connecting rod 8 drives the sliding block 7 to move towards the outside of the movable groove 5 along the outer wall of the fixing strip 6, when the filter screen 4 cannot move continuously, the bolt 10 is rotated clockwise to move towards the direction of the filter screen 4, and the filter screen 4 is abutted against the abutting plate 9, so that the filter screen 4 can be installed;

the output shaft of the motor 13 respectively drives the two transmission shafts 14 to synchronously rotate through the two transmission assemblies in the rotating process, and then drives the two fan blades 15 to synchronously rotate, so that the components inside the pressure reduction cabinet 1 are cooled and radiated from bottom to top, and the radiating speed of the components inside the pressure reduction cabinet 1 is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The bus residual voltage rapid voltage reduction device comprises a voltage reduction cabinet (1) and components and parts installed inside the voltage reduction cabinet (1), and is characterized in that the outer walls of two sides of the voltage reduction cabinet (1) are respectively provided with a plurality of ventilation openings (2), the inner walls of the ventilation openings (2) are respectively provided with a fixed frame (3), the interiors of the fixed frames (3) are respectively provided with a filter screen (4) through a connecting mechanism, the connecting mechanism comprises two movable grooves (5) respectively arranged on the inner wall at the top and the inner wall at the bottom of the fixed frame (3), two fixed strips (6) respectively fixedly connected on the inner wall of one side away from the two movable grooves (5), two sliders (7) respectively connected on the outer walls of the two fixed strips (6) in a sliding manner, two connecting rods (8) respectively hinged on the outer wall of one side of the two sliders (7) and two abutting plates (9) respectively hinged at the other ends of the two connecting rods (8), two one side that butt joint board (9) are close to mutually extends to the outside of two activity grooves (5) respectively, and all cooperatees with filter screen (4), butt joint board (9) sliding joint is in the inside of activity groove (5), still be connected through elastic component between butt joint board (9) and fixed frame (3), the below of components and parts is provided with and is used for carrying out radiating heat dissipation mechanism to decompression cabinet (1) inside.

2. The bus residual voltage rapid decompression device according to claim 1, wherein the connecting mechanism further comprises two bolts (10) respectively screwed inside the two sliding blocks (7), the bolts (10) are arranged through the sliding blocks (7), and one end of each bolt (10) close to the abutting plate (9) abuts against the outer wall of the filter screen (4).

3. The bus residual voltage rapid pressure reduction device according to claim 1, wherein the elastic component comprises two sliding grooves arranged inside the fixed frame (3), two sliding rods (11) respectively connected inside the two sliding grooves in a sliding manner, and two springs (12) respectively sleeved outside the two sliding rods (11), one ends of the two sliding rods (11) respectively extend to the outside of the two sliding grooves and are fixedly connected with the outer wall of the abutting plate (9), one end of each spring (12) is fixedly connected with the inside of the movable groove (5), and the other end of each spring (12) is fixedly connected with the outer wall of the abutting plate (9).

4. The bus residual voltage rapid voltage reduction device according to claim 1, wherein the heat dissipation mechanism comprises a motor (13) mounted on the inner wall of the bottom of the voltage reduction cabinet (1), two transmission shafts (14) rotatably connected to the inner wall of the bottom of the voltage reduction cabinet (1), and two fan blades (15) respectively fixedly connected to the top ends of the two transmission shafts (14), and the output shaft of the motor (13) is in transmission connection with the two transmission shafts (14) through two transmission assemblies respectively.

5. The bus residual voltage rapid voltage reduction device according to claim 4, wherein the transmission assembly comprises two transmission wheels (16) respectively sleeved outside the output shaft of the motor (13) and the transmission shaft (14) and a belt (17) in transmission connection with the outside of the two transmission wheels (16).

6. The bus residual voltage rapid voltage reduction device according to claim 4, wherein an isolation net (18) is installed on the inner wall of the voltage reduction cabinet (1), and the isolation net (18) is located above the fan blades (15).