Dustproof dehumidification structure for distribution box
By installing square windows and air exhaust fans on the distribution box, combined with the use of dense screens, the equipment failure of the distribution box in moisture and dust environments is solved, and the effective dust-proof and dehumidification effect is achieved, which extends the Equipment life and simplify maintenance.
Patent Information
- Application Number
- CN202421190132.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The distribution box is susceptible to moisture and dust during use, resulting in equipment failure and degradation of performance, making it difficult for the existing technology to effectively prevent dust and dehumidification.
A dust-proof and dehumidification structure for distribution boxes is designed. By installing square windows and air extraction fans on the side walls of the distribution cabinet, air circulation and dehumidification effects are achieved, and dust is blocked from entering through a dense screen on the air inlet. .
It effectively reduces the impact of dust and moisture on the internal components of the distribution cabinet, extends the service life of the equipment, and facilitates the maintenance and installation of internal parts.
Smart Images

Figure CN222508429U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of power distribution cabinets, and particularly relates to a dust-proof and dehumidification structure for a power distribution box. Background Art
[0002] The background technology of dust and moisture removal for distribution boxes mainly stems from the requirements for safe and stable operation of power supply facilities in the field of electrical engineering. As an important part of the power system, the distribution box contains a variety of electrical components such as switches, protection devices, cable connectors, etc. In the actual use environment, the distribution box may be affected by various adverse factors, among which moisture and dust are the most prominent.
[0003] Therefore, during the use of the distribution cabinet, dust and moisture removal must be carried out in a timely manner to ensure the normal use of the distribution cabinet. A dust and moisture removal structure for the distribution box is needed to solve the existing problems. Utility Model Content
[0004] In view of this, the utility model aims to provide a dust-proof and dehumidification structure for a distribution box to address the deficiencies in the prior art. An exhaust fan is used to ensure continuous circulation of air inside the distribution cabinet to achieve a dehumidification effect, and dust is blocked by the closed nature of the distribution cabinet itself and the dense screen at the air inlet.
[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a dust-proof and dehumidification structure for a distribution box, including a distribution cabinet, the top of the distribution cabinet is in a closed state, and a square sash window is fixedly installed on the side wall of the distribution cabinet. The square sash window is provided with two, and an exhaust fan is provided on the square sash window, that is, the square sash window supports the exhaust fan structure, that is, the exhaust fan extracts the air inside the distribution box, and an air inlet is provided at the bottom of the distribution cabinet, that is, the exhaust fan extracts the air inside the distribution box, and a screen is installed on the air inlet, and the sieve holes on the screen are densely distributed, that is, the sieve with dense sieve holes can prevent dust from entering the distribution cabinet, and the side wall of the distribution cabinet is also symmetrically provided with threading holes, that is, the threading holes enable the cables inside the distribution cabinet to contact the external cable power supply.
[0006] A limit plate is also installed on the threading hole, and the limit plate is in the shape of a right-angle arc, that is, the limit plate supports and limits the cable.
[0007] A rain shelter is also installed on the side wall of the power distribution cabinet and is located outside the guide plate. That is, the rain shelter covers the top of the square sash window to prevent rainwater from entering the power distribution cabinet from the square sash window on rainy days.
[0008] The rain shield and the screen are both detachably installed and installed by bolts. The detachable installation makes it convenient to replace the rain shield and the screen when they are damaged.
[0009] A guide plate is also fixedly installed on the square window, and a circular baffle is arranged on the side wall of the exhaust fan, that is, the circular baffle prevents the components inside the power distribution cabinet from contacting the blades of the exhaust fan.
[0010] A cabinet door is also provided on the front side of the power distribution cabinet. The cabinet door is installed by hinges and is arranged to be a double door, which means that it is convenient to open the cabinet door to install the internal components of the power distribution cabinet.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] Firstly, the semi-enclosed state of the distribution cabinet itself can achieve a dust-proof effect to a certain extent. The exhaust fan extracts the moisture inside the distribution cabinet, and the air enters from the air inlet, so that the air forms convection inside the distribution cabinet, ensuring smooth air flow and dehumidifying the inside of the distribution cabinet; the dense screen can prevent dust from entering from the air inlet to a certain extent while blocking large particles of debris from entering the distribution cabinet.
[0013] Secondly, the double-door design of the cabinet door facilitates the maintenance and installation of parts inside the distribution cabinet; the circular baffle prevents the parts inside the distribution cabinet from contacting the blades of the exhaust fan, avoiding damage to the blades and parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 2 It is a schematic diagram of the internal sectional three-dimensional structure of the utility model;
[0017] Figure 3 It is a three-dimensional structural schematic diagram of the square window, exhaust fan and circular baffle of the utility model;
[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the square window, exhaust fan and circular baffle of the utility model.
[0019] In the figure: 101, power distribution cabinet; 102, square fan window; 103, exhaust fan; 104, air inlet; 105, screen; 106, threading hole; 201, limit plate; 202, rain shelter; 203, guide plate; 204, circular baffle; 205, cabinet door. DETAILED DESCRIPTION
[0020] In order to better understand the present invention, the content of the present invention is further clearly described below in conjunction with the embodiments, but the protection content of the present invention is not limited to the following embodiments. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details.
[0021] like Figure 1-4 As shown, a dust-proof and dehumidifying structure for a distribution box includes a distribution cabinet 101. The top of the distribution cabinet 101 is in a closed state to prevent rainwater from entering the distribution cabinet 101 on rainy days. A square fan window 102 is fixedly installed on the side wall of the distribution cabinet 101. The square fan window 102 is provided with two, which are installed on the left and right side walls of the distribution cabinet 101, respectively located at the upper and lower parts of the side walls, corresponding to the upper and lower spaces inside the distribution cabinet 101, respectively. An exhaust fan 103 is provided on the square fan window 102, that is, the square fan window 102 supports the exhaust fan 103 structure, that is, the exhaust fan 103 supports the exhaust fan 103 structure. The air inside the distribution box is extracted, and an air inlet 104 is opened at the bottom of the distribution cabinet 101, that is, the exhaust fan 103 extracts the air inside the distribution box, so that the air enters from the air inlet 104, which is convenient for the air flow inside the distribution cabinet 101. A screen 105 is installed on the air inlet 104, and the sieve holes on the screen 105 are densely distributed, that is, the screen 105 with dense sieve holes can prevent dust from entering the distribution cabinet 101. The side wall of the distribution cabinet 101 is also symmetrically provided with threading holes 106, that is, the threading holes 106 allow the cables inside the distribution cabinet 101 to contact the external cable power supply.
[0022] like Figure 1 , 2 As shown, a limit plate 201 is also installed on the threading hole 106, and the limit plate 201 is in a right-angle arc shape, that is, the limit plate 201 supports and limits the cable to prevent the cable from directly contacting the corners of the threading hole 106 and damaging the edge of the cable.
[0023] like Figure 1 , 2 As shown, a rain shield 202 located outside the guide plate 203 is also installed on the side wall of the distribution cabinet 101, that is, the rain shield 202 covers the top of the square sash window 102 to prevent rainwater from entering the distribution cabinet 101 from the square sash window 102 on rainy days; the rain shield 202 and the screen 105 are both configured to be detachable and installed by bolts. The detachable setting makes it convenient to replace the rain shield 202 and the screen 105 when they are damaged.
[0024] like Figure 4As shown, a guide plate 203 is fixedly installed on the square window 102, and the guide plate 203 is inclined downward, that is, the guide plate 203 blows the air extracted by the exhaust fan 103 downward, and a circular baffle 204 is provided on the side wall of the exhaust fan 103, that is, the circular baffle 204 prevents the components inside the distribution cabinet 101 from contacting the blades of the exhaust fan 103, thereby avoiding damage to the blades and components.
[0025] like Figure 1 As shown, a cabinet door 205 is also provided on the front side of the power distribution cabinet 101. The cabinet door 205 is installed by hinges. The cabinet door 205 is arranged as a double door, that is, the cabinet door 205 is convenient to open to install the internal components of the power distribution cabinet 101.
[0026] When the air inside the distribution cabinet 101 is circulated, the exhaust fan 103 is turned on to extract the moisture inside the distribution cabinet 101, and at the same time, the external air enters from the air inlet 104 to keep the air inside the distribution cabinet 101 unobstructed. The semi-closed state of the distribution cabinet 101 itself and the dense screen 105 can greatly reduce the dust entering the distribution cabinet 101, avoiding dust and moisture from damaging the parts inside the distribution cabinet 101.
[0027] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0028] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A dust-proof and dehumidification structure for a distribution box, characterized in that: The invention comprises a power distribution cabinet (101), wherein the top of the power distribution cabinet (101) is in a closed state, a square window (102) is fixedly installed on the side wall of the power distribution cabinet (101), two square windows (102) are provided, an exhaust fan (103) is provided on the square window (102), an air inlet (104) is provided at the bottom of the power distribution cabinet (101), a screen (105) is installed on the air inlet (104), the screen holes on the screen (105) are densely distributed, and threading holes (106) are symmetrically provided on the side wall of the power distribution cabinet (101).
2. The dust-proof and dehumidification structure for a distribution box according to claim 1, characterized in that: A limit plate (201) is also installed on the threading hole (106), and the limit plate (201) is in a right-angle arc shape.
3. The dust-proof and dehumidification structure for a distribution box according to claim 1, characterized in that: A rain shelter (202) located outside the guide plate (203) is also installed on the side wall of the power distribution cabinet (101).
4. The dust-proof and dehumidification structure for a distribution box according to claim 3, characterized in that: The rain shield (202) and the screen (105) are both configured to be detachably mounted and are mounted by means of bolts.
5. The dust-proof and dehumidification structure for a distribution box according to claim 1, characterized in that: A guide plate (203) is also fixedly mounted on the square window (102), and a circular baffle (204) is arranged on the side wall of the exhaust fan (103).
6. The dust-proof and dehumidifying structure for a distribution box according to claim 1, characterized in that: The front side of the power distribution cabinet (101) is also provided with a cabinet door (205), the cabinet door (205) is installed by hinges, and the cabinet door (205) is configured as a double-opening door.