Power supply power low-voltage knife switch
By designing the mounting bracket, heat dissipation components and protective components in the low-voltage knife gate, the problem of lack of protection and heat dissipation in the existing low-voltage knife gate is solved, effective waterproofing, anti-rust and heat dissipation effects are achieved, and the service life is extended.
Patent Information
- Application Number
- CN202420760753.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-14
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-04-14
AI Technical Summary
The existing low-pressure knife switches lack shielding and protective structures and cooling and heat dissipation structures, which leads to rust metal parts and aging accessories, reducing service life.
A low-voltage knife switch for power supply is designed, including an installation frame, a heat dissipation component and a protective component. The heat dissipation component achieves heat dissipation and dust filtration through a cooling fan and dust-reducing mesh cover, and the protective component provides rain protection and waterproof protection through a protective cover, cable holes and leak-proof ring.
Effectively prevent rainwater from entering, protect the body of the low -pressure knife gate, and avoid rusting problems; extend the service life through the heat sink and reduce the risk of aging of accessories.
Smart Images
Figure CN222394737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric low-voltage knife switches, in particular to a power supply electric low-voltage knife switch. Background Art
[0002] A knife switch is a type of manual switch for electrical equipment, also known as a knife switch. It is generally used for low-voltage electricity and is divided into single-phase knife switches and three-phase knife switches.
[0003] The existing low-voltage knife switch has the following defects: 1. It lacks a shielding and protective structure. The existing knife switch is completely exposed outdoors, and its metal parts are prone to rust due to long-term rain, which is not conducive to later dismantling and repair operations; 2. It lacks a cooling and heat dissipation structure, which makes it easy for accessories to age seriously when the weather is hot and the temperature is high, reducing the service life. To this end, we propose a power supply low-voltage knife switch. Utility Model Content
[0004] The main purpose of the utility model is to provide a low-voltage knife switch for power supply, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A power supply low-voltage knife switch comprises a mounting frame, a heat dissipation component and a protective component, wherein the heat dissipation component comprises a heat dissipation fan and a dust suppression mesh cover, wherein the heat dissipation fan is mounted on the inner wall of the mounting frame by bolts, a fixing frame is evenly mounted on the inner side of the mounting frame from left to right by bolts, and a low-voltage knife switch body is provided on the surface of the fixing frame by bolts; the protective component comprises a protective cover, a first wire through hole, a second wire through hole and a leak-proof ring, wherein the protective cover is arranged on one side of the mounting frame and corresponds to the outer periphery of the low-voltage knife switch body.
[0007] Furthermore, the dust suppression screen is arranged on the inner wall surface of the mounting frame by opening an opening.
[0008] Furthermore, the air inlet end of the heat dissipation fan is located on one side of the dust reduction mesh cover, and the air outlet end of the dust reduction mesh cover is located on the back side of the low-voltage knife switch body.
[0009] Furthermore, the first wire passing hole and the second wire passing hole are respectively opened on the top and bottom surfaces of the protective cover, and the positions correspond to the low-voltage knife switch body. The leak-proof rings are glued to the outer surfaces of the first wire passing hole and the second wire passing hole. The leak-proof rings are made of rubber material, and the protective cover is made of transparent acrylic material. The leak-proof ring is made of rubber material to increase the fit between the wire source and prevent rainwater from entering the protective cover through the wire holes.
[0010] Furthermore, a rotation damper is connected between the mounting frame and the protective cover.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. A protective cover, a first wire hole, a second wire hole and a leak-proof ring are provided. The first wire hole and the second wire hole are used to facilitate the wire source to pass through. The leak-proof ring is made of rubber material to increase the fit with the wire source to prevent rainwater from entering the protective cover through the wire hole. The protective cover is used to protect the low-voltage knife switch body from rain and other factors.
[0013] 2. By setting up a cooling fan and a dust suppression mesh cover, the cooling fan is used to blow air to dissipate the heat of the low-voltage knife switch body to avoid serious aging of accessories when the weather is hot and the temperature is high, thereby increasing the service life, and a dust suppression mesh cover is used to prevent a large amount of dust from entering through the wind source. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a schematic diagram of the overall structure of a low-voltage knife switch for power supply.
[0015] Figure 2 The utility model is a schematic diagram of the heat dissipation fan structure of a low-voltage knife switch for power supply.
[0016] Figure 3 The utility model is a schematic diagram of the structure of a dust suppression mesh cover for a low-voltage knife switch for power supply.
[0017] In the figure: 1. mounting frame; 2. heat dissipation assembly; 201. heat dissipation fan; 202. dust suppression mesh cover; 3. fixing frame; 4. low-voltage knife switch body; 5. protection assembly; 501. protection cover; 502. first wire hole; 503. second wire hole; 504. anti-leakage ring; 6. rotation damping. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0019] like Figure 1-3 As shown, a power supply low-voltage knife switch includes a mounting frame 1, a heat dissipation component 2 and a protective component 5, the heat dissipation component 2 includes a heat dissipation fan 201 and a dust suppression mesh cover 202, the heat dissipation fan 201 is installed on the inner wall of the mounting frame 1 by bolts, the inner side of the mounting frame 1 is evenly bolted with a fixing frame 3 from left to right, and the surface of the fixing frame 3 is provided with a low-voltage knife switch body 4 by bolts; the protective component 5 includes a protective cover 501, a first wire hole 502, a second wire hole 503 and a leak-proof ring 504, the protective cover 501 is arranged on one side of the mounting frame 1, and corresponds to the outer periphery of the low-voltage knife switch body 4.
[0020] The dust suppression screen 202 is arranged on the inner wall surface of the mounting frame 1 by opening an opening.
[0021] In this embodiment, Figure 1 , 2 As shown in FIG. 3 , dust is blocked by a dust suppression mesh cover 202 .
[0022] The air inlet end of the heat dissipation fan 201 is located at one side of the dust suppression mesh cover 202 , and the air outlet end of the dust suppression mesh cover 202 is located at the back side of the low-voltage knife switch body 4 .
[0023] In this embodiment, Figure 1 , 2 As shown in FIG. 3 , the low-voltage knife switch body 4 is cooled by blowing air through the cooling fan 201 .
[0024] Among them, the first wire hole 502 and the second wire hole 503 are respectively opened on the top and bottom surfaces of the protective cover 501, and the positions correspond to the low-voltage knife switch body 4. The leak-proof ring 504 is glued to the outer surface of the first wire hole 502 and the second wire hole 503. The leak-proof ring 504 is made of rubber material, and the protective cover 501 is made of transparent acrylic material.
[0025] In this embodiment, Figure 1 As shown, the first wire-through hole 502 and the second wire-through hole 503 are provided to facilitate the wire source to pass through.
[0026] Wherein, a rotation damper 6 is connected between the mounting frame 1 and the protective cover 501 .
[0027] In this embodiment, Figure 1 , 2 As shown in 3, the low-voltage knife switch body 4 is operated by rotating the damper 6 in cooperation with the protective cover 501 to flip it open.
[0028] It should be noted that the utility model is a low-voltage knife switch for power supply. When assembled, the first wire hole 502 and the second wire hole 503 are used to facilitate the passage of the wire source, and the leak-proof ring 504 is made of rubber material to increase the fit with the wire source to prevent rainwater from entering the protective cover 501 through the wire hole. When in use, the protective cover 501 is used to protect the low-voltage knife switch body 4 from rain, and the heat dissipation fan 201 is used to blow air to dissipate heat from the low-voltage knife switch body 4, and the dust reduction mesh cover 202 is used to prevent a large amount of dust from entering through the wind source. Later, the protective cover 501 can be opened by rotating the damper 6 to perform related operations on the low-voltage knife switch body 4.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A low-voltage knife switch for power supply, comprising a mounting frame (1), a heat dissipation component (2) and a protection component (5), characterized in that: The heat dissipation assembly (2) comprises a heat dissipation fan (201) and a dust suppression screen (202); the heat dissipation fan (201) is mounted on the inner wall of the mounting frame (1) by means of bolts; a fixing frame (3) is evenly mounted on the inner side of the mounting frame (1) from left to right by means of bolts; a low-voltage knife switch body (4) is provided on the surface of the fixing frame (3) by means of bolts; The protection component (5) comprises a protection cover (501), a first wire hole (502), a second wire hole (503) and a leak-proof ring (504); the protection cover (501) is arranged on one side of the mounting frame (1) and corresponds to the periphery of the low-voltage knife switch body (4).
2. A low-voltage knife switch for power supply according to claim 1, characterized in that: The dust suppression screen (202) is arranged on the inner wall surface of the mounting frame (1) by opening an opening.
3. A low-voltage knife switch for power supply according to claim 1, characterized in that: The air inlet end of the heat dissipation fan (201) is located on one side of the dust reduction mesh cover (202), and the air outlet end of the dust reduction mesh cover (202) is located on the back side of the low-voltage knife switch body (4).
4. A low-voltage power switch for power supply according to claim 1, characterized in that: The first wire hole (502) and the second wire hole (503) are respectively provided on the top and bottom surfaces of the protective cover (501), and their positions correspond to the low-voltage knife switch body (4); the leak-proof ring (504) is adhered to the outer surfaces of the first wire hole (502) and the second wire hole (503); the leak-proof ring (504) is made of rubber material, and the protective cover (501) is made of transparent acrylic material.
5. A low-voltage knife switch for power supply according to claim 1, characterized in that: A rotation damper (6) is connected between the mounting frame (1) and the protective cover (501).