Ventilation fence for outdoor power distribution cabinet

Abstract

The utility model relates to a ventilation fence for an outdoor power distribution cabinet. The ventilation fence comprises a frame, a plurality of baffle plates and a filter screen. The frame comprises two end frame plates and two side frame plates; the two end frame plates are symmetrically arranged; inserting grooves are formed in the inner sides of the two end frame plates, and the top and the bottom of the filter screen are inserted into the inserting grooves of the two end frame plates respectively and then fixed through bolts. The baffles are sequentially arranged on the frame at equal intervals from top to bottom, and the outer surfaces of the baffles are outward and downward inclined planes; extension plates are vertically arranged at the upper and lower ends of the baffle; at least two protruding strips with circular sections are arranged on the back face of the baffle in the length direction of the baffle, and a plurality of connecting holes are formed in the ends of the protruding strips. A plurality of through holes are formed in the side frame plates, self-tapping screws are inserted into the through holes in the side frame plates, and the self-tapping screws are inserted into the connecting holes in the protruding strips all the time. The ventilation fence only needs to be assembled by all the parts, rapid installation can be achieved, and the machining difficulty is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a ventilation grille for an outdoor power distribution cabinet. Background Art

[0002] The distribution cabinet is divided into power distribution cabinet, lighting distribution cabinet and metering cabinet, which is the final equipment of the distribution system. The distribution cabinet is a general term for the motor control center. The distribution cabinet is used in places where the load is relatively dispersed and there are fewer circuits; the motor control center is used in places where the load is concentrated and there are more circuits. They distribute the power of a circuit of the upper-level distribution equipment to the nearest load. This level of equipment should provide protection, monitoring and control for the load. The rated current of the low-voltage distribution cabinet is AC 50Hz, and the rated voltage is 380v. The distribution system is used for power, lighting and distribution of power energy conversion and control.

[0003] At present, outdoor power distribution cabinets need to install ventilation grilles on the vents to block rain and dust. The frame of the existing ventilation grilles is integrally formed and needs to be bent and formed. During the processing, the shape dimensions and installation hole dimensions must be accurate. Therefore, the assembly dimensions of the door grilles and the vents on the power distribution cabinets often do not match. Utility Model Content

[0004] The utility model aims to provide a ventilation grille for an outdoor power distribution cabinet. The ventilation grille only needs to be assembled from various parts, can be quickly installed, and the processing difficulty is greatly reduced.

[0005] In order to achieve the purpose of the above utility model, a ventilation grille for an outdoor power distribution cabinet is provided, comprising a frame, a plurality of baffles and a filter screen;

[0006] The frame includes two end frame plates and two side frame plates;

[0007] The two end frame plates and the two side frame plates are fixed by bolts to form a frame;

[0008] The two end frame plates are symmetrically arranged;

[0009] The inner sides of the two end frame plates are provided with slots, and the top and bottom of the filter screen are respectively plugged into the slots of the two end frame plates and then fixed by bolts;

[0010] A plurality of baffles are arranged on the frame in order from top to bottom at equal intervals, and the outer surfaces of the baffles are outwardly and downwardly inclined surfaces;

[0011] The baffle is provided with vertical extension plates at both upper and lower ends;

[0012] The extension plate located at the top of the baffle is in contact with the filter screen;

[0013] The back of the baffle is provided with at least two raised strips with circular cross-sections along its length direction, and the ends of the raised strips are provided with a plurality of connection holes;

[0014] The side frame plate is provided with a plurality of through holes, the positions of the through holes on the side frame plate are adapted to the connection holes on the raised strip, the through holes on the side frame plate are plugged with self-tapping screws, and the self-tapping screws are always plugged into the connection holes on the raised strip.

[0015] Preferably, sealing strips are provided at the edges of the filter screen, and the sealing strips are plugged into the frame.

[0016] Preferably, the filter screen is a stainless steel filter screen.

[0017] Specifically, the number of the raised strips on each baffle is 2.

[0018] Preferably, a long groove is provided on the outer side of the raised strip, the long groove extends from one end of the raised strip to the other end, and the long groove is connected to the connecting hole.

[0019] Preferably, the end frame plates, side frame plates and baffle plates are all made of aluminum profiles.

[0020] The utility model discloses a ventilation grille for an outdoor power distribution cabinet, which has the following advantages compared with the prior art:

[0021] (1) The ventilation grille only needs to be assembled from various parts, which can be quickly installed, and the processing difficulty is greatly reduced. During the processing, there is no need for bending and forming, and it can be processed on CNC machine tools. The accuracy of the overall dimensions and installation hole dimensions can be guaranteed;

[0022] (2) The structure is simple, easy to use, and the strength of the ventilation grille is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of a ventilation grille for an outdoor power distribution cabinet according to the present embodiment;

[0024] Figure 2 An exploded view of a ventilation grille for an outdoor power distribution cabinet according to the present embodiment;

[0025] Figure 3 for Figure 2 A partial enlarged view of the middle part;

[0026] Figure 4 Schematic diagram of the structure of the baffle in this embodiment. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] like Figure 1 As shown, a ventilation grille for an outdoor power distribution cabinet includes a frame 1, a plurality of baffles 2 and a filter 3.

[0029] like Figure 2 As shown, the frame 1 includes two end frame plates 4 and two side frame plates 5; the two end frame plates 4 and the two side frame plates 5 are fixed by bolts to form the frame 1; the two end frame plates 4 are symmetrically arranged.

[0030] like Figure 3 As shown, slots 6 are provided on the inner sides of the two end frame plates 4, and the top and bottom of the filter screen 3 are respectively inserted into the slots 6 of the two end frame plates 4 and then fixed by bolts.

[0031] In this embodiment, if Figure 2 As shown, sealing strips 7 are provided at the edges of the filter 3, and the sealing strips 7 are plugged into the frame 1 to play a sealing role, thereby effectively preventing dust from entering the distribution cabinet through the gap between the filter 3 and the frame 1.

[0032] Furthermore, the filter screen 3 is a stainless steel filter screen, which has the function of preventing rust and prolonging the service life.

[0033] like Figure 2 and Figure 4 As shown, a plurality of baffles 2 are arranged on the frame 1 in order from top to bottom with equal spacing, and the outer surface of the baffle 2 is an outward and downward inclined surface; Figure 3 As shown, the upper and lower ends of the baffle 2 are vertically provided with extension plates 8; the extension plate at the top of the baffle 2 is in contact with the filter screen 3. The extension plate at the bottom of the baffle 2 plays a guiding role, and the blocked rainwater can fall along the bottom extension plate.

[0034] like Figure 4 As shown, the back of the baffle 2 is provided with at least two raised strips 9 with a circular cross section along its length direction, and the ends of the raised strips 9 are provided with a plurality of connection holes 10; the side frame plate 5 is provided with a plurality of through holes 11, and the positions of the through holes 11 on the side frame plate 5 are adapted to the connection holes 10 on the raised strips 9, and the through holes 11 on the side frame plate 5 are plugged with self-tapping screws (not shown in the figure), and the self-tapping screws are plugged into the connection holes 10 on the raised strips 9. In this way, the baffle 2 and the frame 1 are detachably fixedly connected. In this embodiment, the number of the raised strips 9 is 2.

[0035] In this embodiment, if Figure 4As shown, a long groove 12 is provided on the outer side of the raised strip 9, and the long groove 12 extends from one end of the raised strip 9 to the other end, and the long groove 12 is connected to the connecting hole 10; such a configuration enables the raised strip 9 to have a certain elasticity, which is convenient for the insertion of the self-tapping screws, and also effectively prevents the outer wall of the raised strip 9 from cracking when the self-tapping screws are inserted into the connecting hole 10.

[0036] In this embodiment, the end frame plate 4, the side frame plate 5 and the baffle plate 2 are all made of aluminum profiles, which are easy to process.

[0037] In the ventilation grille for an outdoor power distribution cabinet of the present embodiment, the frame 1 is assembled from two end frame plates 4 and two side frame plates 5 to achieve a detachable connection. During the processing, no bending or forming is required, and the grille is processed on a CNC machine tool to ensure the accuracy of the overall dimensions and the installation hole dimensions.

[0038] The preferred embodiments of the present invention have been specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all within the scope defined by the claims of this application.

Claims

1. A ventilation grille for an outdoor power distribution cabinet, characterized in that: It includes a frame, a number of baffles and a filter; The frame includes two end frame plates and two side frame plates; The two end frame plates and the two side frame plates are fixed by bolts to form a frame; The two end frame plates are symmetrically arranged; The inner sides of the two end frame plates are provided with slots, and the top and bottom of the filter screen are respectively plugged into the slots of the two end frame plates and then fixed by bolts; A plurality of baffles are arranged on the frame in order from top to bottom at equal intervals, and the outer surfaces of the baffles are outwardly and downwardly inclined surfaces; The baffle is provided with vertical extension plates at both upper and lower ends; The extension plate located at the top of the baffle is in contact with the filter screen; The back of the baffle is provided with at least two raised strips with circular cross-sections along its length direction, and the ends of the raised strips are provided with a plurality of connection holes; The side frame plate is provided with a plurality of through holes, the positions of the through holes on the side frame plate are adapted to the connection holes on the raised strip, the through holes on the side frame plate are plugged with self-tapping screws, and the self-tapping screws are always plugged into the connection holes on the raised strip.

2. A ventilation grille for an outdoor power distribution cabinet according to claim 1, characterized in that: The edge positions of the filter screen are all provided with sealing strips, and the sealing strips are plugged into the frame.

3. A ventilation grille for an outdoor power distribution cabinet according to claim 2, characterized in that: The filter screen is a stainless steel filter screen.

4. A ventilation grille for an outdoor power distribution cabinet according to any one of claims 1 to 3, characterized in that: The number of the raised strips on each baffle is 2.

5. The ventilation grille for an outdoor power distribution cabinet according to claim 4, characterized in that: A long groove is arranged on the outer side of the raised strip, and the long groove extends from one end of the raised strip to the other end, and the long groove is communicated with the connecting hole.

6. The ventilation grille for an outdoor power distribution cabinet according to claim 1, characterized in that: The end frame plates, side frame plates and baffle plates are all made of aluminum profiles.

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