CN219576383U - Low-voltage draw-out type switch cabinet with heat radiation structure - Google Patents
Low-voltage draw-out type switch cabinet with heat radiation structure Download PDFInfo
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- CN219576383U CN219576383U CN202223465344.9U CN202223465344U CN219576383U CN 219576383 U CN219576383 U CN 219576383U CN 202223465344 U CN202223465344 U CN 202223465344U CN 219576383 U CN219576383 U CN 219576383U
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- drawer
- switch cabinet
- element installation
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Abstract
The utility model provides a low-voltage draw-out type switch cabinet with a heat dissipation structure, which comprises a switch cabinet body, wherein the switch cabinet body comprises an electric element installation part for installing an electric element installation drawer and a heat dissipation drawer arranged below the electric element installation part; the width of the heat dissipation drawer is larger than that of the electric element installation part, and a vertical heat dissipation channel for passing through of hot air generated by electric elements in the electric element installation drawer is formed by a gap between the side plate of the electric element installation part and the side plate of the switch cabinet body; a heat radiation structure is arranged in the heat radiation drawer and comprises a plurality of exhaust fans, the exhaust fans are driven by a motor, and the exhaust direction of the exhaust fans is opposite to the heat radiation channel; a plurality of one-way valves are uniformly distributed on the side plates of the electric element installation part, and hot air in the electric element installation drawer is discharged to the heat dissipation channel through the one-way valves; the adjustable heat dissipation device has the advantages of simple structure, reasonable design, effective adjustable heat dissipation for the electric elements, good heat dissipation effect and strong practicability.
Description
Technical Field
The utility model relates to the technical field of electrical cabinet equipment, in particular to a low-voltage extraction type switch cabinet with a heat dissipation structure.
Background
The low-voltage switch cabinet belongs to an electrical cabinet and mainly aims at stopping opening and closing, controlling and maintaining electric equipment in the process of stopping power generation, transmission, distribution and electric energy conversion of a power system. The components in the low-voltage draw-out type switch cabinet mainly comprise circuit breakers, isolating switches, load switches, operating mechanisms, transformers, various maintenance and installation electric elements and the like.
Because a large amount of heat can be generated when the electric elements in the low-voltage switch cabinet work, if the temperature in the cabinet is too high, potential safety hazards exist, and even fire disaster is seriously caused, the heat in the cabinet must be timely dissipated out of the cabinet body, and the design of the heat dissipation structure of the switch cabinet is particularly important. At present, most of the radiating structures of the low-voltage switch cabinet are provided with ventilation holes at the top and the side wall of the cabinet body, natural convection is utilized to radiate the interior of the cabinet body, the radiating speed of the cabinet body cannot be adjusted according to actual requirements, and the interior of the cabinet body cannot be effectively radiated.
Disclosure of Invention
The utility model aims to provide a low-voltage draw-out type switch cabinet with a heat radiation structure, which solves the technical problems of unreasonable heat radiation structure design and poor heat radiation effect of the existing switch cabinet in the prior art. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a low-voltage draw-out type switch cabinet with a heat dissipation structure, which comprises a switch cabinet body, wherein the switch cabinet body comprises an electric element installation part for installing an electric element installation drawer and a heat dissipation drawer arranged below the electric element installation part; the width of the heat dissipation drawer is larger than that of the electric element installation part, and a vertical heat dissipation channel for passing through hot air generated by electric elements in the electric element installation drawer is formed by a gap between a side plate of the electric element installation part and a side plate of the switch cabinet body; a heat radiation structure is arranged in the heat radiation drawer, the heat radiation structure comprises a plurality of exhaust fans, the exhaust fans are driven by a motor, and the exhaust direction of the exhaust fans is opposite to the heat radiation channel; and a plurality of one-way valves are uniformly distributed on the side plates of the electric element installation part, and hot air in the electric element installation drawer is discharged to the heat dissipation channel through the one-way valves.
Preferably, the heat dissipation structure comprises two groups of exhaust fans, a rotating shaft, a belt pulley, a motor, a connecting wheel and a driving belt which are sequentially connected from top to bottom; the two groups of exhaust fans, the rotating shafts and the belt pulleys are symmetrically distributed on two sides of a bottom plate of the heat dissipation drawer relative to the connecting wheel, the two exhaust fans are respectively positioned right below the heat dissipation channel, the two belt pulleys are respectively in transmission connection with the connecting wheel through a transmission belt, and the connecting wheel is driven by a motor;
preferably, an output shaft of the motor sequentially penetrates through a bottom plate of the switch cabinet body and a bottom plate of the heat dissipation drawer from bottom to top to be connected with the connecting wheel;
preferably, the bottom plate of the switch cabinet body is provided with a sliding notch for the motor to slide in and slide out, and an output shaft of the motor penetrates through the bottom plate of the heat dissipation drawer to be connected with the connecting wheel;
preferably, a plurality of electrical element installation drawers are uniformly arranged in the electrical element installation part from top to bottom in sequence, and the electrical element installation drawers are respectively connected with the electrical element installation part in a sliding manner;
preferably, the heat dissipation drawer is in sliding connection with the switch cabinet body;
preferably, the switch cabinet body, the electrical element installation drawer and the heat dissipation drawer are all made of insulating materials;
preferably, the motor is electrically connected with the controller;
preferably, the four corners of the bottom of the switch cabinet body are respectively provided with supporting legs which are arranged in an outward inclined mode.
The preferred technical scheme of the utility model can at least have the following technical effects:
1. the utility model effectively solves the technical problems of unreasonable design of the heat dissipation structure and poor heat dissipation effect in the prior art. According to the utility model, upward wind is generated by rotating the exhaust fan arranged at the bottom of the switch cabinet body, and air flow continuously to the ground is provided for the heat dissipation channel, so that pressure difference is generated between the inside and the outside of the check valve, and hot air in the electric element installation drawer is blown out of the low-pressure cabinet body through the check valve and the heat dissipation channel in sequence, thereby the effective heat dissipation and cooling of the electric element installation drawer are completed, the structure is simple, the design is reasonable, the rotating speed of the exhaust fan can be adjusted by adjusting the motor according to actual requirements, the air displacement of the check valve is adjusted, the effective adjustable heat dissipation of the electric element installation drawer is realized, the electric element installation drawer is convenient and efficient, and the application range is wide.
2. Through the check valve that sets up on the curb plate of electrical component installation department, make the steam in the electrical component installation drawer pass through the check valve one-way discharge to the heat dissipation passageway, simultaneously, in the electrical component installation drawer of heat dissipation passageway can not reentrant top, the radiating effect is good, and the practicality is strong.
3. The heat dissipation channel comprises at least two heat dissipation channels, the heat dissipation channels are symmetrically distributed on two sides of the electric element installation part, a plurality of one-way valves are uniformly distributed on two side plates of the electric element installation part, and hot air of the electric element installation drawer can be simultaneously discharged outwards through the one-way valves on two sides, so that the heat dissipation efficiency and the heat dissipation quality are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a low-voltage draw-out type switch cabinet with a heat dissipation structure according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a heat dissipation drawer of a low-voltage draw-out type switch cabinet with a heat dissipation structure according to an embodiment of the present utility model;
fig. 3 is a cross-sectional view of a low-voltage draw-out type switch cabinet with a heat dissipation structure according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic structural diagram of another low-voltage draw-out type switch cabinet with a heat dissipation structure according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a heat dissipation drawer of another low-voltage draw-out type switch cabinet with a heat dissipation structure according to an embodiment of the present utility model.
In the figure:
1. a low-pressure cabinet body; 2. a heat dissipation drawer; 3. a rotating shaft; 4. a belt pulley; 5. an exhaust fan; 6. a sliding notch; 7. a motor; 8. a fifth wheel; 9. a drive belt; 10. a heat dissipation channel; 11. an electrical component mounting drawer; 12. a one-way valve; 13. a support leg; 14. an air inlet; 15. an electrical component mounting section.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it should be understood that the terms "center", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1:
as shown in fig. 1 to 4, the present utility model provides a low-voltage draw-out type switchgear having a heat radiation structure, comprising a switchgear body 1, the switchgear body 1 comprising an electrical component mounting section 15 for mounting an electrical component mounting drawer 11 and a heat radiation drawer 2 provided below the electrical component mounting section 15; the width of the heat dissipation drawer 2 is larger than the width of the electric component mounting portion 15, and a gap between a side plate of the electric component mounting portion 15 and a side plate of the switch cabinet body 1 forms a vertical heat dissipation channel 10 through which hot air generated by electric components in the electric component mounting drawer 11 passes. The heat dissipation drawer 2 is internally provided with a heat dissipation structure, the heat dissipation structure comprises a plurality of exhaust fans 5, the exhaust fans 5 are driven by a motor 7, and the exhaust direction of the exhaust fans 5 is opposite to the heat dissipation channel 10. A plurality of check valves 12 are uniformly distributed on the side plates of the electric component mounting part 15, and hot air in the electric component mounting drawer 11 is discharged to the heat dissipation channel 10 through the check valves 12. The exhaust fan 5 rotates to generate upward wind, and the air flow continuously flowing to the ground is provided for the heat dissipation channel 10, so that pressure difference is generated between the inside and the outside of the check valve 12, and hot air in the electric element installation drawer 11 is blown out of the low-pressure cabinet body 1 through the check valve 12 and the heat dissipation channel 10 in sequence, thereby completing effective heat dissipation and temperature reduction of the electric element installation drawer 11. Meanwhile, the heat dissipation channels 10 comprise at least two heat dissipation channels which are symmetrically distributed on two sides of the electric element installation part 15, a plurality of one-way valves 12 are uniformly distributed on two side plates of the electric element installation part 15, and hot air of the electric element installation drawer 11 can be simultaneously and outwards discharged through the one-way valves 12 on two sides, so that the heat dissipation efficiency and heat dissipation quality are greatly improved.
As an alternative embodiment, the heat dissipation structure comprises two groups of exhaust fans 5, a rotating shaft 3, a belt pulley 4, a motor 7, a connecting wheel 8 and a transmission belt 9 which are sequentially connected from top to bottom; the exhaust fans 5, the rotating shafts 3 and the belt pulleys 4 of the two groups are symmetrically distributed on two sides of the bottom plate of the heat dissipation drawer 2 about the connecting wheel 8, the two exhaust fans 5 are respectively located under the heat dissipation channel 10, the two belt pulleys 4 are respectively connected with the connecting wheel 8 in a transmission manner through the transmission belt 9, and the connecting wheel 8 is driven by the motor 7.
As an alternative embodiment, the output shaft of the motor 7 penetrates through the bottom plate of the switch cabinet body 1 and the bottom plate of the heat dissipation drawer 2 sequentially from bottom to top to be connected with the fifth wheel 8.
As an alternative embodiment, the heat dissipation drawer 2 is slidably connected with the switch cabinet body 1, the bottom plate of the switch cabinet body 1 is provided with a sliding notch 6 for the motor 7 to slide in and slide out, and the output shaft of the motor 7 passes through the bottom plate of the heat dissipation drawer 2 to be connected with the connecting wheel 8. When the heat dissipation drawer 2 slides, the motor 7 moves synchronously with the heat dissipation drawer 2. The air inlet is not required to be additionally arranged, and the air inlet supply of the exhaust fan 5 can be realized through the gap between the heat dissipation drawer 2 and the switch cabinet body 1.
As an alternative embodiment, a plurality of electric component mounting drawers 11 are uniformly arranged in the electric component mounting portion 15 from top to bottom in sequence, the electric component mounting drawers 11 are respectively connected with the electric component mounting portion 15 in a sliding mode, and the drawing type connection relation is convenient for later maintenance of electric components in the electric component mounting drawers 11. The air intake of the electric component mounting part 15 can be supplied through the gap between the electric component mounting drawer 11 and the electric component mounting part 15 without adding an additional air intake.
As an alternative embodiment, the switch cabinet body 1, the electrical component mounting drawer 11 and the heat dissipation drawer 2 are made of insulating materials, so that even if the electrical component of the switch cabinet body 1 leaks electricity, workers cannot get in danger of electric shock when touching the switch cabinet body 1, and the safety is high.
As an alternative implementation mode, the motor 7 is electrically connected with the controller, so that the motor 7 is conveniently and intelligently controlled, the rotating speed of the exhaust fan 5 can be adjusted through adjusting the motor 7 according to actual requirements, the exhaust quantity of the one-way valve 12 is adjusted, and effective heat dissipation of the adjustable heat dissipation air quantity of the electric element installation drawer 11 is realized.
As an alternative embodiment, the four corners of the bottom of the switch cabinet body 1 are respectively provided with the supporting legs 13 which are arranged in an outward inclined way, so that the overall stability of the switch cabinet body 1 is improved.
The working principle of the utility model is as follows:
the motor 7 drives the fifth wheel 8 to rotate, the fifth wheel 8 drives the two belt pulleys 4 to rotate respectively through the driving belt 9, the belt pulley 4 drives the rotating shaft 3 to rotate and simultaneously drives the exhaust fan 5 to rotate to generate upward wind, continuous upward air flow is provided for the heat dissipation channel 10, and pressure difference is generated inside and outside the one-way valve 12, so that hot air inside the electric element installation drawer 11 is blown out of the low-pressure cabinet body 1 through the heat dissipation channel 10, and heat dissipation and temperature reduction of the electric element installation drawer 11 are completed.
Example 2:
as shown in fig. 5 and 6, the utility model provides a low-voltage draw-out type switch cabinet with a heat dissipation structure, wherein the heat dissipation structure comprises two groups of exhaust fans 5, a rotating shaft 3 and a belt pulley 4 which are sequentially connected from top to bottom, and a motor 7, a connecting wheel 8 and a transmission belt 9; the exhaust fans 5, the rotating shafts 3 and the belt pulleys 4 of the two groups are symmetrically distributed on two sides of the bottom plate of the heat dissipation drawer 2 about the connecting wheel 8, the two exhaust fans 5 are respectively located under the heat dissipation channel 10, the two belt pulleys 4 are respectively connected with the connecting wheel 8 in a transmission manner through the transmission belt 9, and the connecting wheel 8 is driven by the motor 7. The middle upper part of the heat dissipation drawer 2 is provided with a plurality of strip-shaped air inlets 14 which are equidistantly arranged, and the air inlets 14 are convenient for better providing air inlet for the heat dissipation drawer 2.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (9)
1. The low-voltage draw-out type switch cabinet with the heat dissipation structure is characterized by comprising a switch cabinet body, wherein the switch cabinet body comprises an electric element installation part for installing an electric element installation drawer and a heat dissipation drawer arranged below the electric element installation part; the width of the heat dissipation drawer is larger than that of the electric element installation part, and a vertical heat dissipation channel for passing through hot air generated by electric elements in the electric element installation drawer is formed by a gap between a side plate of the electric element installation part and a side plate of the switch cabinet body; a heat radiation structure is arranged in the heat radiation drawer, the heat radiation structure comprises a plurality of exhaust fans, the exhaust fans are driven by a motor, and the exhaust direction of the exhaust fans is opposite to the heat radiation channel; and a plurality of one-way valves are uniformly distributed on the side plates of the electric element installation part, and hot air in the electric element installation drawer is discharged to the heat dissipation channel through the one-way valves.
2. The low-voltage draw-out type switch cabinet with a heat radiation structure according to claim 1, wherein the heat radiation structure comprises two groups of exhaust fans, a rotating shaft and a belt pulley which are sequentially connected from top to bottom, and a motor, a connecting wheel and a transmission belt; the two groups of exhaust fans, the rotating shafts and the belt pulleys are symmetrically distributed on two sides of a bottom plate of the heat dissipation drawer relative to the connecting wheels, the two exhaust fans are respectively located under the heat dissipation channels, the two belt pulleys are respectively connected with the connecting wheels in a transmission mode through transmission belts, and the connecting wheels are driven through motors.
3. The low-voltage draw-out type switch cabinet with the heat radiation structure according to claim 2, wherein the output shaft of the motor sequentially penetrates through the bottom plate of the switch cabinet body and the bottom plate of the heat radiation drawer from bottom to top to be connected with the connecting wheel.
4. A low voltage draw-out switchgear with heat dissipation structure according to claim 3, characterized in that the bottom plate of the switchgear body has a sliding notch for the motor to slide in and out, and the output shaft of the motor is connected to the fifth wheel through the bottom plate of the heat dissipation drawer.
5. The low-voltage draw-out type switch cabinet with the heat radiation structure according to claim 1, wherein a plurality of electric component mounting drawers are uniformly arranged in the electric component mounting part from top to bottom in sequence, and the electric component mounting drawers are respectively connected with the electric component mounting part in a sliding manner.
6. The low voltage draw-out switchgear with heat dissipation structure of claim 1 wherein the heat dissipation drawer is slidingly connected to the switchgear body.
7. The low-voltage draw-out type switch cabinet with the heat radiation structure according to claim 1, wherein the switch cabinet body, the electrical component installation drawer and the heat radiation drawer are all made of insulating materials.
8. A low voltage draw-out switchgear with heat dissipation structure according to claim 3, characterized in that the motor is electrically connected to the controller.
9. The low-voltage draw-out type switch cabinet with the heat radiation structure according to claim 7, wherein the bottom four corners of the switch cabinet body are respectively provided with supporting legs which are arranged in an outward inclined manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223465344.9U CN219576383U (en) | 2022-12-23 | 2022-12-23 | Low-voltage draw-out type switch cabinet with heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223465344.9U CN219576383U (en) | 2022-12-23 | 2022-12-23 | Low-voltage draw-out type switch cabinet with heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219576383U true CN219576383U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223465344.9U Active CN219576383U (en) | 2022-12-23 | 2022-12-23 | Low-voltage draw-out type switch cabinet with heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219576383U (en) |
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2022
- 2022-12-23 CN CN202223465344.9U patent/CN219576383U/en active Active
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