CN219286131U

CN219286131U - Heat dissipation neutral point resistance cabinet

Info

Publication number: CN219286131U
Application number: CN202320006910.5U
Authority: CN
Inventors: 王学礼
Original assignee: Shijiazhuang Shuocheng Power Technology Co ltd
Current assignee: Shijiazhuang Shuocheng Power Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-06-30
Anticipated expiration: 2033-01-03

Abstract

The utility model relates to the technical field of neutral point resistor cabinets, and provides a radiating neutral point resistor cabinet which is convenient for radiating a resistor cabinet body, effectively preventing dust impurities from entering the resistor cabinet body and simultaneously facilitating cleaning and collecting of the dust impurities, and comprises a resistor cabinet body, wherein radiating holes are formed in the left end and the right end of the resistor cabinet body, a fixing frame is fixedly connected to the resistor cabinet body, two extension plates are fixedly connected to the inner side wall of the fixing frame, rotary columns are fixedly connected to the extension plates, a rotary shaft is rotatably connected between the two rotary columns, a plurality of radiating fan blades are fixedly connected to the rotary shaft, and a driving assembly is arranged on the fixing frame; the fixing frame is fixedly connected with a mounting frame, dust screens are fixedly connected to the mounting frame and the radiating holes, cleaning plates are slidably connected to the mounting frame and the mounting frame, and a sliding driving assembly is arranged between the two cleaning plates; dust holes are formed in the fixing frame, and a dust box is arranged on the resistor cabinet body through a mounting assembly.

Description

Heat dissipation neutral point resistance cabinet

Technical Field

The utility model relates to the technical field of neutral point resistor cabinets, in particular to a heat dissipation neutral point resistor cabinet.

Background

The neutral point resistance cabinet is used for equipment in the occasion that the system neutral point is grounded by adopting a small resistor or a medium resistor, the neutral point is connected in series with a resistor between the neutral point of the power grid and the ground through the resistor, and the resistance value of the connected resistor is properly selected, so that the energy of a half wave after a single-phase grounding arc can be discharged, the possibility of arc reignition is reduced, the amplitude of the overvoltage of the power grid is inhibited, the sensitivity of a relay protection device can be improved to act on tripping, the normal operation of the system is effectively protected, the network which is powered by a cable in an alternating current power grid is increasingly widely grounded by adopting the resistor, and the neutral point resistance cabinet is widely used.

The utility model patent with the traditional neutral point resistance cabinet, for example, chinese patent publication number CN207459430U discloses a novel generator neutral point grounding resistance cabinet, which is characterized in that a disconnecting switch body, a neutral point grounding resistor, a current transformer and other components are placed in the same resistance cabinet frame body, the structure is compact, the arrangement of all components is clear and neat, the periphery of the cabinet body is provided with detachable side plates, the installation and the maintenance are convenient, the on-off state of the disconnecting switch is controlled by collecting the induction current on the current transformer, the power failure is ensured to be reliable, and the safety performance is improved.

However, when the prior art scheme is used, the neutral point resistor cabinet can generate larger heat, the effect of natural heat dissipation through the neutral point resistor cabinet is slower, the heat of the neutral point resistor cabinet is easy to be higher, parts in the neutral point resistor cabinet are easy to damage, and normal use of the neutral point resistor cabinet is affected, so that the radiating neutral point resistor cabinet with a good radiating function is required to meet the normal heat dissipation of the neutral point resistor cabinet.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a radiating neutral point resistor cabinet, which aims to solve the problems that the natural radiating effect of the neutral point resistor cabinet in the prior art provided in the background art is slower, the heat of the neutral point resistor cabinet is easy to be higher, parts in the neutral point resistor cabinet are easy to be damaged, and the normal use of the neutral point resistor cabinet is influenced.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat dissipation neutral point resistance cabinet, includes the resistance cabinet body, the louvre has all been seted up at the left and right sides both ends of resistance cabinet body, fixedly connected with mount on the resistance cabinet body, fixedly connected with two extension boards on the inside wall of mount, fixedly connected with swivel post on the extension board, two swivel posts between rotate and be connected with the pivot, fixedly connected with a plurality of heat dissipation flabellum in the pivot, be provided with on the mount and be used for driving the drive assembly that the heat dissipation flabellum carries out circular motion; the fixing frame is fixedly connected with a mounting frame, dust screens are fixedly connected to the mounting frame and the radiating holes, cleaning plates are slidably connected to the mounting frame and the mounting frame, and a sliding driving assembly for driving the cleaning plates to slide is arranged between the two cleaning plates; the dust collection device is characterized in that dust holes are formed in the fixing frame, and a dust collection box for collecting dust is arranged on the resistor cabinet body through a mounting assembly.

Preferably, in order to drive the heat dissipation fan blade to perform circular motion, the driving assembly comprises an air inlet pipe, the air inlet pipe is communicated with the fixing frame, a blower is communicated with the air inlet pipe, and an air suction pipe is communicated with the blower.

Wherein, fixedly connected with filter screen on the aspiration channel.

Further, in order to drive the clearance board to slide, drive smooth subassembly and include the fixed plate, fixed plate fixed connection is in on the resistance cabinet body, the fixed plate with rotate between the mount and be connected with the screw rod, the thread bush is equipped with the gangboard on the screw rod, fixedly connected with two catch bars on the gangboard, two respectively fixed connection of catch bars is on two on the clearance board, just set up on the mount with catch bar assorted link up the groove, be provided with on the screw rod and be used for driving the screw rod and carry out pivoted power component.

Secondly, the power component comprises a motor, the motor is fixedly arranged on the fixed plate, and the output end of the motor penetrates through the fixed plate and is concentrically connected with the screw rod.

Still further, in order to install the dust collection box, the installation component includes the mounting panel, mounting panel fixed connection is in on the resistance cabinet body, dust collection box sliding connection is in on the mounting panel, just the dust collection box with be provided with spacing subassembly between the mounting panel.

As a further technical scheme, the limiting assembly comprises a plurality of limiting plates, the limiting plates are fixedly connected to the dust collection box, limiting bolts are connected to the limiting plates in a threaded mode, and limiting screw grooves matched with the limiting bolts are formed in the mounting plate.

As a still further technical scheme, the bottom fixedly connected with strip type slider of dust-collecting box, set up on the mounting panel with strip type slider assorted spout, and the spout communicates with each other with the external world.

(III) beneficial effects

Compared with the prior art, the utility model provides the radiating neutral point resistor cabinet, which has the following beneficial effects:

according to the utility model, the driving assembly drives the heat dissipation fan blades to conduct circular motion, the rotating shaft rotates between the two rotating columns, heat dissipation to the resistor cabinet body is facilitated, the rotating shaft is supported conveniently through the fixing frame and the extension plate, dust impurities are prevented from entering the resistor cabinet body conveniently through the dustproof net at the mounting frame and the heat dissipation holes, the cleaning plate is driven to slide through the driving assembly, the dustproof net is cleaned conveniently, dust impurities are collected conveniently through the dust collection box on the mounting assembly, therefore, the heat dissipation neutral point resistor cabinet is convenient for heat dissipation to the resistor cabinet body, dust impurities can be prevented from entering the resistor cabinet body effectively, dust impurities are cleaned and collected conveniently, the resistor cabinet body can be protected effectively, and the service life of the resistor cabinet is prolonged.

Drawings

FIG. 1 is an exploded view of the entirety of a heat dissipating neutral resistor cabinet;

FIG. 2 is a schematic diagram of the overall structure of a heat dissipation neutral point resistor cabinet;

FIG. 3 is a partially schematic, partially sectioned, partially schematic illustration of a drive assembly, extension board, and swivel post in a heat dissipating neutral point resistor cabinet;

FIG. 4 is a schematic view of a partially exploded construction of a matched drive slip assembly, mounting bracket, dust screen, etc. in a heat dissipating neutral point resistor cabinet;

fig. 5 is an exploded partial schematic view of a mounting assembly and dust box mating in a radiating neutral resistor cabinet.

In the figure: 1. a drive assembly; 2. a slip-driving assembly; 3. a mounting assembly; 4. a resistor cabinet body; 5. a fixing frame; 6. an extension plate; 7. a rotating column; 8. a rotating shaft; 9. radiating fan blades; 10. a mounting frame; 11. a dust screen; 12. a cleaning plate; 13. a dust collection box; 101. an air inlet pipe; 102. a blower; 103. an air suction pipe; 104. a filter screen; 201. a fixing plate; 202. a screw; 203. a linkage plate; 204. a push rod; 205. a motor; 301. a mounting plate; 302. a limiting plate; 303. a limit bolt; 304. a bar-shaped sliding block; 305. and a sliding groove.

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.

Examples

Please refer to fig. 1, fig. 2 and fig. 3, a neutral point resistance cabinet dispels heat, including resistance cabinet body 4, the louvre has all been seted up at both ends about resistance cabinet body 4, be convenient for resistance cabinet body 4 dispel the heat, fixedly connected with mount 5 on the resistance cabinet body 4, fixedly connected with two extension boards 6 on the inside wall of mount 5, fixedly connected with revolving post 7 on the extension board 6, it is connected with pivot 8 to rotate between two revolving posts 7, pivot 8 rotates and is convenient for drive heat dissipation flabellum 9 and carries out circular motion, fixedly connected with a plurality of heat dissipation flabellum 9 in the pivot 8, be provided with on the mount 5 and be used for driving heat dissipation flabellum 9 and carry out circular motion's drive assembly 1, drive assembly 1 includes air-supply line 101, air-supply line 101 intercommunication is on mount 5, the intercommunication has hair-dryer 102 on air-supply line 101, the intercommunication has aspiration channel 103 on the hair-supply line 102, in air-supply line 103 inhales external wind into air-supply line 101, enter into mount 5 through air-supply line 101, thereby blowing fan 9 carries out circular motion, be convenient for carrying out to resistance cabinet body 4, avoid directly using like heat dissipation flabellum 9 to carry out circular motion, avoid directly to drive heat dissipation flabellum 9 to carry out circular motion, be similar to heat dissipation product in the product in order to drive heat dissipation cabinet body has heat dissipation 102 to produce in the product in the process of producing at the time, and the dust is connected with resistance body through the air-supply channel 102, and has dust in the dust collector 102, etc. has heat resistance 104.

Referring to fig. 1, 2 and 4, a mounting frame 10 is fixedly connected to a fixing frame 5, dust screens 11 are fixedly connected to the mounting frame 10 and the heat dissipation holes, dust and impurities are more favorably intercepted by the two dust screens 11, so as to prevent the dust and impurities from entering into a resistor cabinet body 4, cleaning plates 12 are slidably connected to the fixing frame 5 and the mounting frame 10, a sliding component 2 for driving the cleaning plates 12 to slide is arranged between the two cleaning plates 12, the sliding component 2 comprises a fixing plate 201, the fixing plate 201 is fixedly connected to the resistor cabinet body 4, a screw 202 is rotatably connected between the fixing plate 201 and the fixing frame 5, a linkage plate 203 is sleeved on the screw 202 in a threaded manner, two pushing rods 204 are fixedly connected to the linkage plate 203, the two pushing rods 204 are fixedly connected to the two cleaning plates 12 respectively, and offer on the mount 5 with push rod 204 assorted link up the groove, be provided with on the screw rod 202 and be used for driving screw rod 202 pivoted power pack, power pack includes motor 205, motor 205 fixed mounting is on fixed plate 201, motor 205's output runs through fixed plate 201 and is connected with screw rod 202 is concentric, motor 205's output rotates and drives screw rod 202 and rotate, screw rod 202 rotates and drives linkage plate 203 and reciprocate, linkage plate 203 drives two push rods 204 and reciprocates, thereby drive cleaning plate 12 and slide from top to bottom, cleaning plate 12 and dust screen 11 contact, be convenient for clear up dust impurity etc. on the dust screen 11, in order to avoid blocking up dust screen 11 such as dust impurity, lead to the ventilation unsmoothly, thereby influence the radiating effect of resistance cabinet body 4.

Referring to fig. 1, fig. 2 and fig. 5, the fixing frame 5 is provided with a dust hole, dust impurities cleaned by the cleaning plate 12 fall into the dust box 13 through the dust hole, the resistor cabinet body 4 is provided with a dust box 13 for collecting dust by the mounting component 3, the mounting component 3 comprises a mounting plate 301, the mounting plate 301 is fixedly connected to the resistor cabinet body 4, the dust box 13 is slidably connected to the mounting plate 301, the bottom end of the dust box 13 is fixedly connected with a bar-shaped slide block 304, the mounting plate 301 is provided with a slide groove 305 matched with the bar-shaped slide block 304, the slide groove 305 is communicated with the outside, the dust box 13 can slide out of the mounting plate 301 conveniently, the dust box 13 can be mounted and dismounted conveniently, dust impurities in the dust box 13 can be dumped conveniently, and a limit component is arranged between the dust box 13 and the mounting plate 301 and comprises a plurality of limit plates 302, the limit plates 302 are fixedly connected to the dust box 13, limit bolts 303 are connected to the limit plates 302 in a threaded mode, limit bolts 303 are matched with the limit bolts 301 are provided with the mounting plate 301, the limit bolts 303 are rotated, the limit bolts 303 are enabled to enter the limit bolts to enter the limit positions of the limit bolts 302 conveniently, and limit positions of the limit boxes 13 are convenient to be limited by the limit bolts.

It should be further noted that, in this embodiment, the blower 102 and the motor 205 are conventional devices known to those skilled in the art and purchased in the market, and may be selected or customized according to actual needs, in this patent, only the blower 102 and the motor 205 are used, but the structure and the function of the blower and the motor are not improved, and the setting mode, the installation mode and the electrical connection mode of the blower and the motor are only required to be debugged according to the requirements of the application specification, so that the blower 102 and the motor 205 are not described again, and the installation positions of the control switches are selected according to the actual use requirements, so that the operator can operate and control conveniently.

In summary, when the heat dissipation neutral point resistor cabinet is used, the heat dissipation neutral point resistor cabinet is firstly placed at a place where the resistor cabinet is required to be used, and the motor 205 is connected with a forward and reverse rotation circuit according to the specification, when the resistor cabinet body 4 is required to be subjected to heat dissipation, the blower 102 is started, the blower 102 sucks external air into the air inlet pipe 101 through the air suction pipe 103, then enters the fixing frame 5 through the air inlet pipe 101, thereby blowing the heat dissipation fan blade 9 to perform circular motion, so that the resistor cabinet body 4 can be subjected to heat dissipation, when the dust screen 11 is required to be cleaned, the motor 205 is started, the output end of the motor 205 rotates to drive the screw 202 to rotate, the screw 202 rotates to drive the linkage plate 203 to move up and down, the linkage plate 203 drives the two pushing rods 204 to move up and down, so as to drive the cleaning plate 12 to slide up and down, the cleaning plate 12 is contacted with the dust screen 11, dust impurities on the dust screen 11 can be cleaned into the dust box 13, and then the limiting bolts 303 are separated from the limiting screw grooves, and dust impurities in the dust box 13 can be slid out of the dust box 13.

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 heat dissipation neutral point resistance cabinet, includes the resistance cabinet body, its characterized in that, the louvre has all been seted up at the left and right sides of resistance cabinet body, fixedly connected with mount (5) on the resistance cabinet body, fixedly connected with two extension boards (6) on the inside wall of mount (5), fixedly connected with swivel post (7) on extension board (6), two swivel post (7) between rotate and be connected with pivot (8), fixedly connected with a plurality of heat dissipation flabellum (9) on pivot (8), be provided with on mount (5) and be used for the drive subassembly (1) that heat dissipation flabellum (9) carried out circular motion;

the cleaning device is characterized in that a mounting frame (10) is fixedly connected to the fixing frame (5), dust screens (11) are fixedly connected to the mounting frame (10) and the heat dissipation holes, cleaning plates (12) are slidably connected to the fixing frame (5) and the mounting frame (10), and a sliding driving assembly (2) for driving the cleaning plates (12) to slide is arranged between the two cleaning plates (12);

dust holes are formed in the fixing frame (5), and a dust collection box (13) for collecting dust is arranged on the resistor cabinet body through the mounting assembly (3).

2. The heat dissipation neutral point resistor cabinet according to claim 1, wherein the driving assembly (1) comprises an air inlet pipe (101), the air inlet pipe (101) is communicated with the fixing frame (5), a blower (102) is communicated with the air inlet pipe (101), and an air suction pipe (103) is communicated with the blower (102).

3. A heat dissipation neutral point resistor cabinet according to claim 2, characterized in that the air suction pipe (103) is fixedly connected with a filter screen (104).

4. The heat dissipation neutral point resistor cabinet according to claim 1, wherein the driving and sliding component (2) comprises a fixed plate (201), the fixed plate (201) is fixedly connected to the resistor cabinet body (4), a screw (202) is rotatably connected between the fixed plate (201) and the fixed frame (5), a linkage plate (203) is sleeved on the screw (202) in a threaded manner, two pushing rods (204) are fixedly connected to the linkage plate (203), the two pushing rods (204) are respectively and fixedly connected to the two cleaning plates (12), through grooves matched with the pushing rods (204) are formed in the fixed frame (5), and a power component for driving the screw (202) to rotate is arranged on the screw (202).

5. The heat sink neutral point resistor cabinet of claim 4, wherein the power assembly comprises a motor (205), the motor (205) is fixedly mounted on the fixed plate (201), and an output end of the motor (205) penetrates through the fixed plate (201) and is concentrically connected with the screw (202).

6. A radiating neutral point resistor cabinet according to claim 1, characterized in that the mounting assembly (3) comprises a mounting plate (301), the mounting plate (301) is fixedly connected to the resistor cabinet body (4), the dust box (13) is slidingly connected to the mounting plate (301), and a limiting assembly is arranged between the dust box (13) and the mounting plate (301).

7. The heat dissipation neutral point resistor cabinet according to claim 6, wherein the limiting assembly comprises a plurality of limiting plates (302), the limiting plates (302) are fixedly connected to the dust collection box (13), limiting bolts (303) are connected to the limiting plates (302) in a threaded mode, and limiting screw grooves matched with the limiting bolts (303) are formed in the mounting plate (301).

8. The heat dissipation neutral point resistor cabinet according to claim 6, wherein the bottom end of the dust collection box (13) is fixedly connected with a strip-shaped sliding block (304), a sliding groove (305) matched with the strip-shaped sliding block (304) is formed in the mounting plate (301), and the sliding groove (305) is communicated with the outside.