Distribution box

Abstract

The invention relates to a power distribution box, which relates to the technical field of power distribution devices and comprises a box body, a box door arranged on the box body and a supporting piece used for supporting the box body. A plurality of heat dissipation openings are formed in the upper portion of the side wall of the box body, a heat dissipation fan and a control button used for controlling the heat dissipation fan are arranged on the bottom side of the box body, and a protective cover with a downward opening is arranged at the position, on the edge of an outer opening of each heat dissipation opening, of the box body. According to the distribution box, due to the cooperative arrangement of the heat dissipation fan and the corresponding heat dissipation opening, in the application process of the distribution box, the heat dissipation fan is firstly started through the control button, then under the action of the heat dissipation fan, high-temperature gas in the box body is exhausted from the opening of the heat dissipation fan, external gas enters the box body from the heat dissipation opening, and the heat dissipation effect of the distribution box is improved. Circulation of gas inside and outside the box body is formed, the heat dissipation performance of the distribution box is improved, and the possibility that electrical elements inside the box body are damaged due to overheating is further reduced.

Description

Technical Field

[0001] The present application relates to the technical field of power distribution devices, and in particular to a power distribution box. Background Art

[0002] The distribution box is a distribution device specially used for distributing electricity, including the main distribution box and the distribution box. It plays an important role in the power system and is widely used in various fields.

[0003] In the related art, the distribution box is an indispensable part of the power system, and its design usually includes an outer shell and internal electrical components. The outer shell consists of a box body and a door, which is connected to the box body by a hinge and has a locking structure to ensure its safety. In order to maintain a suitable temperature inside the distribution box, heat dissipation vents are often provided on the side walls of the box to promptly discharge the heat generated during operation.

[0004] However, in actual applications, we found that there are some potential problems in the design of the distribution box. Because the layout of electrical components may be too compact, the air circulation in the box is restricted. In this case, even if there are heat dissipation vents, the heat may not be effectively discharged, and then accumulate inside the distribution box. Long-term heat accumulation will cause electrical components to overheat, which may not only cause component damage, but may even generate electric sparks, posing a serious threat to the safe operation of the distribution box. In extreme cases, the failure to release heat in time may cause the box to explode, causing great harm to the surrounding environment and personnel safety, and there is room for improvement. Summary of the invention

[0005] The purpose of the present application is to provide a distribution box to solve the problem in the above-mentioned related art that the heat of the distribution box may not be dissipated in time during operation, resulting in overheating or even damage of electrical components, posing a safety hazard.

[0006] The present application provides a distribution box adopting the following technical solution: A distribution box comprises a box body, a box door arranged on the box body and a support member for supporting the box body; a plurality of heat dissipation openings are opened on the upper part of the side wall of the box body, a heat dissipation fan and a control button for controlling the heat dissipation fan are arranged on the bottom side of the box body, and a protective cover with an opening facing downward is arranged on the outer opening edge of the heat dissipation opening on the box body.

[0007] By adopting the above technical solution, when the distribution box is in use, the heat dissipation fan is first started by the control button, and then under the action of the heat dissipation fan, the high-temperature gas inside the box is discharged from the opening at the heat dissipation fan, and the external gas enters the box from the heat dissipation port, forming a circulation of gas inside and outside the box, thereby improving the heat dissipation performance of the distribution box, and thereby reducing the possibility of damage to electrical components inside the box due to overheating.

[0008] Optionally, the support member includes a support plate and a plurality of support rods arranged on the support plate, the support rods are telescopic structures with adjustable lengths, and ends of the support rods away from the support plate are connected to the bottom side of the box body.

[0009] By adopting the above technical solution, the installation height of the distribution box is increased. At the same time, due to the telescopic setting of the support rod, the height of the distribution box can be adjusted according to actual conditions, thereby improving the use performance of the distribution box.

[0010] Optionally, an adjustment member is provided under the support plate, the adjustment member includes an adjustment plate and a locking member, an adjustment rod is provided in the middle of the adjustment plate, a support through hole for the adjustment rod to pass through is opened on the support plate, and the locking member is used to lock the support plate after rotation adjustment.

[0011] By adopting the above technical solution, when the distribution cabinet is in use, due to the setting of the adjustment part, the support plate is rotated and set on the adjustment plate, the installation angle of the support plate can be rotated and adjusted, and locked by the locking part after the rotation adjustment is completed, so that it can be adjusted according to the actual application scenario, further improving the performance of the distribution box.

[0012] Optionally, an elastic clamping piece is provided on the outer periphery of the adjusting rod, and a plurality of positioning grooves for inserting the elastic clamping piece are evenly formed on the side wall of the supporting through hole around its axis.

[0013] By adopting the above technical solution, when the locking piece can lock the support plate, the elastic clip will be inserted into the positioning groove at the corresponding position to form a snapping feeling, which is used to remind that the locking piece can be used to fix the support plate, thereby improving the locking efficiency of the adjusted support plate.

[0014] Optionally, a plurality of locking screw holes are provided on the upper side surface of the adjustment plate, and the plurality of locking screw holes are evenly distributed around the axis of the adjustment rod. A locking through hole that can coincide with the axis of the locking screw hole is provided on the support plate, and the locking piece is a locking bolt that passes through the locking through hole and is screwed into the locking screw hole.

[0015] By adopting the above technical solution, when the locking member is used to lock the relative position of the support plate and the adjustment plate, the support plate is first rotated to the corresponding angle around the axis of the adjustment rod, and then the locking bolt is passed through the locking through hole and screwed into the locking screw hole, thereby achieving the fixation of the support plate and the adjustment plate.

[0016] Optionally, the support rod includes a locking bolt, a movable part connected to the bottom side of the support plate, and a fixed part connected to the bottom side of the box body, the fixed part is provided with a fixing cavity for the movable part to be inserted and slide; the fixed part is provided with a locking through hole for the locking bolt to pass through, and the outer periphery of the movable part is provided with a plurality of locking thread grooves, and the plurality of locking thread grooves are evenly distributed along the length direction of the movable part.

[0017] By adopting the above technical solution, when adjusting the overall height of the support rod, the locking bolt is unscrewed in advance, and then the depth of the movable part inserted into the fixed cavity is adjusted, and finally the locking bolt is used to pass through the locking through hole and screwed into the locking thread groove at the corresponding position, so as to achieve the adjustment of the height of the support rod.

[0018] Optionally, a bending plate is provided on the box door, one side of the bending plate abuts against the bottom side of the box body, and the bottom side of the box body is provided with a limiting plate for supporting the control button, and the bending plate can abut and press the control button on the limiting plate.

[0019] By adopting the above technical solution, due to the coordinated setting of the bending plate and the control button, when the box door is in a closed state, the side of the bending plate away from the box door abuts against and presses the control button on the limit plate to start the cooling fan; when the box door is in an open state, the bending plate releases the pressure on the control button and the cooling fan is turned off; thereby, the cooling fan is controlled and the possibility of the cooling fan still being in the started state when the box door is opened is reduced.

[0020] Optionally, an arc-shaped card block is provided on the bottom side of the box body, and an arc-shaped card slot for inserting the arc-shaped card block is opened on the bending plate.

[0021] By adopting the above technical solution, due to the matching setting of the arc-shaped card block and the corresponding arc-shaped card groove, when the box door is in a closed state, the arc-shaped card block on the bottom side of the box body is inserted into the arc-shaped card groove on the bending plate, reducing the possibility of the box door loosening or automatically opening at this time, thereby improving the installation stability of the box door in this state.

[0022] Optionally, a fixing rod is hinged on one side of the fixing part, and a locking plate is hinged on the end of the fixing rod away from the fixing part. The locking plate can be rotated to a position that fits the side surface of the support plate or the bottom side of the bending plate, and the outer side surface of the box body is provided with a positioning bolt for fixing the locking plate.

[0023] By adopting the above technical solution, there are two states. First, when the locking plate is rotated to the position where it fits with the bottom side of the bending plate and is locked by the positioning bolts, the fixed plate and the locking plate are used to lock the bending plate, thereby enhancing the installation stability of the door and the box body when they are in a closed state, and reducing the possibility of unauthorized persons opening the door; second, when the locking plate is rotated to the position where it fits with the side surface of the support plate and is locked by the positioning bolts, the locking plate is used to enhance the installation stability of the support rod.

[0024] Optionally, a first barrier net is provided at the opening edge of the protective cover, and a second barrier net is provided on the side of the box body facing outwards of the cooling fan.

[0025] By adopting the above technical solution, due to the coordinated arrangement of the first barrier net and the second barrier net, the heat dissipation port and the opening at the heat dissipation fan are protected, reducing the possibility of external impurities entering the interior of the box through the heat dissipation port and the opening at the heat dissipation fan.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. Due to the coordinated setting of the heat dissipation fan and the corresponding heat dissipation port, when the distribution box is used, the heat dissipation fan is first started by the control button, and then under the action of the heat dissipation fan, the high-temperature gas inside the box is discharged from the opening at the heat dissipation fan, and the external gas enters the box from the heat dissipation port, forming a circulation of gas inside and outside the box, improving the heat dissipation performance of the distribution box, and thereby reducing the possibility of damage to the electrical components inside the box due to overheating.

[0027] 2. Due to the setting of the adjustment part, when the distribution cabinet is in use, the support plate is rotated and set on the adjustment plate, the installation angle of the support plate can be rotated and adjusted, and locked by the locking part after the rotation adjustment is completed, so that it can be adjusted according to the actual application scenario, further improving the performance of the distribution box. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 It is a partial cross-sectional structural schematic diagram of the installation and coordination of the heat dissipation fan and the control button in the embodiment of the present application; Figure 3 yes Figure 2 A magnified schematic diagram of part A; Figure 4 It is a partial cross-sectional structural schematic diagram of the embodiment of the present application embodying the installation and coordination of the protective cover; Figure 5 It is a partial cross-sectional structural schematic diagram of the installation and coordination of the support member in the embodiment of the present application; Figure 6 It is a schematic diagram of a partial cross-sectional structure of an embodiment of the present application when the locking plate and the support plate are fixed; Figure 7 It is a schematic diagram of a partial cross-sectional structure of an embodiment of the present application when the locking plate and the bending plate are fixed; Figure 8 It is a structural schematic diagram of the distribution arrangement of the adjustment parts in the embodiment of the present application; Fig. 9 It is a partial cross-sectional structural schematic diagram of the installation and matching of the adjusting member in the embodiment of the present application; Fig.10 yes Fig. 9 Schematic diagram of the enlarged portion B.

[0030] In the figure, 1, box body; 11, heat dissipation port; 12, heat dissipation fan; 13, control button; 14, protective cover; 15, first barrier net; 16, second barrier net; 17, arc-shaped block; 18, limit plate; 2, box door; 21, bending plate; 211, arc-shaped slot; 212, second threaded groove; 3, support member; 31, support rod; 311, locking bolt; 312, moving part; 3121, locking threaded groove; 313, fixed part; 3131, locking Through hole; 32, support plate; 321, first thread groove; 322, support through hole; 3221, positioning groove; 323, locking through hole; 33, fixing rod; 34, locking plate; 341, positioning hole; 35, positioning bolt; 4, adjusting member; 41, adjusting plate; 411, adjusting rod; 4111, placement groove; 412, locking screw hole; 42, locking member; 421, locking bolt; 43, elastic clip; 431, compression spring; 432, arc-shaped protrusion. DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0032] Example: Reference Figure 1 A distribution box comprises a box body 1, a box door 2 arranged on the box body 1 and a support member 3 for supporting the box body 1.

[0033] Reference Figure 2 and Figure 3A plurality of heat dissipation ports 11 are provided on the upper portion of the side wall of the box body 1, and a heat dissipation fan 12 and a control button 13 for controlling the heat dissipation fan 12 are provided on the bottom side of the box body 1. External air enters the box body 1 from the heat dissipation ports 11, and then, under the action of the heat dissipation fan 12, the air with a higher temperature inside the box body 1 is discharged from the opening at the heat dissipation fan 12, thereby forming a circulation of air inside and outside the box body 1, and reducing the possibility of overheating inside the box body 1.

[0034] Reference Figure 2 and Figure 3 A bending plate 21 bent toward the box body 1 is fixedly provided on the box door 2, and the bending plate 21 can be bent to a certain extent and restored; a limit plate 18 for supporting the control button 13 is fixedly provided on the bottom side of the box body 1; an arc-shaped card block 17 is formed on the bottom side of the box body 1, and an arc-shaped card slot 211 for inserting the arc-shaped card block 17 is opened on the bending plate 21; When the door 2 is in the closed state, one side of the bending plate 21 abuts against the bottom side of the box body 1, and the arc-shaped clamping block 17 on the bottom side of the box body 1 is inserted into the arc-shaped clamping groove 211 on the bending plate 21. The side of the bending plate 21 away from the door 2 abuts against and presses the control button 13 on the limit plate 18 to start the cooling fan 12; when the door 2 is in the open state, the arc-shaped clamping block 17 disengages from the arc-shaped clamping groove 211, the bending plate 21 releases the pressure on the control button 13, and the cooling fan 12 is turned off.

[0035] Reference Figure 4 A protective cover 14 with an opening downward is provided on the outer opening edge of the heat dissipation port 11 of the box body 1; a first blocking net 15 is fixedly provided on the opening edge of the protective cover 14, and a second blocking net 16 is fixedly provided on the side of the box body 1 facing outward of the heat dissipation fan 12. The first blocking net 15 and the second blocking net 16 are both conventional filter nets, so as to protect the openings at the heat dissipation port 11 and the heat dissipation fan 12, and reduce the possibility of external impurities entering the interior of the box body 1 through the openings at the heat dissipation port 11 and the heat dissipation fan 12.

[0036] Reference Figure 5 The support member 3 includes a support plate 32 and four support rods 31 arranged on the support plate 32. The support rods 31 are telescopic structures with adjustable lengths. The support rods 31 include a locking bolt 311, a moving portion 312 fixedly connected to the bottom side of the support plate 32, and a fixed portion 313 fixedly connected to the bottom side of the box body 1. The fixed portion 313 is provided with a fixed cavity for the moving portion 312 to be inserted and slided; The locking bolt 311 is a butterfly bolt. The fixed portion 313 is provided with a locking through hole 3131 for the locking bolt 311 to pass through. The outer periphery of the movable portion 312 is provided with a plurality of locking thread grooves 3121 , which are evenly distributed along the length direction of the movable portion 312 .

[0037] Reference Figure 6 and Figure 7 A fixing rod 33 is hingedly connected to one side of the fixing portion 313, wherein a locking plate 34 is hingedly connected to the end of the fixing rod 33 away from the fixing portion 313, and the locking plate 34 can be rotated to a position where the upper side of the support plate 32 is in contact with the position where the bottom side of the bending plate 21 is in contact with the upper side of the support plate 32, and a positioning bolt 35 for fixing the locking plate 34 is provided on the outer side of the box body 1, and a positioning hole 341 for the positioning bolt 35 to pass through is provided on the locking plate 34, and a plurality of first thread grooves 321 for the positioning bolt 35 to be screwed into are evenly provided on the support plate 32, and a second thread groove 212 for the positioning bolt 35 to be screwed into is provided on the bending plate 21; When the locking plate 34 is rotated to the position where it fits with the upper side of the support plate 32 and is locked by the positioning bolt 35, the locking plate 34 is used to enhance the installation stability of the support rod 31; when the locking plate 34 is rotated to the position where it fits with the bottom side of the bending plate 21 and is locked by the positioning bolt 35, the fixed plate and the locking plate 34 are both used to lock the bending plate 21, thereby enhancing the installation stability of the box door 2 and the box body 1 when they are in a closed state, and reducing the possibility of unauthorized persons opening the box door 2.

[0038] Reference Figure 8 and Fig. 9 An adjusting member 4 is provided below the support plate 32, wherein the adjusting member 4 includes an adjusting plate 41 and a locking member 42, an adjusting rod 411 is fixedly provided at the middle of the adjusting plate 41, a supporting through hole 322 for the adjusting rod 411 to pass through is provided on the support plate 32, and the locking member 42 is used to lock the support plate 32 after rotation adjustment; Eight locking screw holes 412 are provided on the upper side of the adjustment plate 41, and the eight locking screw holes 412 are evenly distributed around the axis of the adjustment rod 411. Two locking through holes 323 that can coincide with the axis of the locking screw holes 412 are provided on the support plate 32. The locking piece 42 is a locking bolt 421 that penetrates the locking through hole 323 and is screwed into the locking screw hole 412.

[0039] Reference Fig. 9 and Fig.10 An elastic clamping member 43 is provided on the outer periphery of the adjusting rod 411, and the elastic clamping member 43 includes a compression spring 431 and an arc-shaped protrusion 432. A placement groove 4111 is provided on the outer periphery of the adjusting rod 411 for the compression spring 431 and the arc-shaped protrusion 432 to be placed therein, and the compression spring 431 squeezes the arc-shaped protrusion 432 so that a part of the arc-shaped protrusion 432 protrudes out of the placement groove 4111, and the outer side surface of the protruding part is an arc surface, and the arc length corresponding to the arc surface is a minor arc, and a plurality of positioning grooves 3221 for the protruding part of the arc-shaped protrusion 432 to be inserted are evenly provided on the side wall of the supporting through hole 322 around its own axis; When the support plate 32 is rotated relative to the adjustment plate 41 and a snap-fitting feeling is felt, the locking through hole 323 coincides with the locking screw hole 412 at the corresponding position, and the locking bolt 421 can be passed through the locking through hole 323 and then screwed into the locking screw hole 412 at that position.

[0040] The implementation principle of the embodiment of the present application is: When the distribution box is used, the installation height and installation angle of the distribution box can be adjusted according to the actual application scenario; and the heat dissipation fan 12 and the heat dissipation port 11 are arranged in coordination to form a circulation of gas inside and outside the box 1, thereby reducing the possibility of overheating inside the box 1; Due to the coordinated arrangement of the fixing rod 33, the locking plate 34 and the positioning bolt 35, it can be used to strengthen the assembly stability of the support rod 31 and the support plate 32, and can also lock the bending plate 21 to strengthen the installation stability when the door 2 and the box body 1 are in a closed state.

[0041] Unless otherwise defined, the terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The "first", "second", "third" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and other similar words do not indicate a quantitative limit, but indicate that there is at least one. "Including" or "comprising" and other similar words mean that the elements or objects appearing in front of "including" or "comprising" cover the elements or objects listed after "including" or "comprising" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0042] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A distribution box, comprising a box body (1), a box door (2) arranged on the box body (1), and a support (3) for supporting the box body (1); characterized in that: A plurality of heat dissipation openings (11) are provided on the upper portion of the side wall of the box body (1), a heat dissipation fan (12) and a control button (13) for controlling the heat dissipation fan (12) are provided on the bottom side of the box body (1), and a protective cover (14) with an opening facing downward is provided on the box body (1) at the outer opening edge of the heat dissipation opening (11).

2. A distribution box according to claim 1, characterized in that: The support member (3) comprises a support plate (32) and a plurality of support rods (31) arranged on the support plate (32); the support rods (31) are telescopic structures with adjustable lengths; the ends of the support rods (31) away from the support plate (32) are connected to the bottom side of the box body (1).

3. A distribution box according to claim 2, characterized in that: An adjusting member (4) is provided below the support plate (32), the adjusting member (4) comprising an adjusting plate (41) and a locking member (42), an adjusting rod (411) is provided in the middle of the adjusting plate (41), a supporting through hole (322) for the adjusting rod (411) to pass through is provided on the support plate (32), and the locking member (42) is used to lock the support plate (32) after rotation adjustment.

4. A distribution box according to claim 3, characterized in that: An elastic clamping piece (43) is provided on the outer periphery of the adjusting rod (411), and a plurality of positioning grooves (3221) for inserting the elastic clamping piece (43) are evenly provided on the side wall of the supporting through hole (322) around its axis.

5. A distribution box according to claim 3, characterized in that: The upper side surface of the adjustment plate (41) is provided with a plurality of locking screw holes (412), and the plurality of locking screw holes (412) are evenly distributed around the axis of the adjustment rod (411); the support plate (32) is provided with a locking through hole (323) that can coincide with the axis of the locking screw hole (412); and the locking member (42) is a locking bolt (421) that penetrates the locking through hole (323) and is screwed into the locking screw hole (412).

6. A distribution box according to claim 2, characterized in that: The support rod (31) comprises a locking bolt (311), a moving part (312) connected to the bottom side of the support plate (32), and a fixing part (313) connected to the bottom side of the box body (1); the fixing part (313) is provided with a fixing cavity for the moving part (312) to be inserted and slide; The fixed portion (313) is provided with a locking through hole (3131) for the locking bolt (311) to pass through, and the outer periphery of the movable portion (312) is provided with a plurality of locking thread grooves (3121), and the plurality of locking thread grooves (3121) are evenly distributed along the length direction of the movable portion (312).

7. A distribution box according to claim 6, characterized in that: The box door (2) is provided with a bending plate (21), one side of the bending plate (21) is in contact with the bottom side of the box body (1), the bottom side of the box body (1) is provided with a limiting plate (18) for supporting the control button (13), and the bending plate (21) can be in contact with and press the control button (13) on the limiting plate (18).

8. A distribution box according to claim 7, characterized in that: An arc-shaped clamping block (17) is arranged on the bottom side of the box body (1), and an arc-shaped clamping groove (211) for inserting the arc-shaped clamping block (17) is provided on the bending plate (21).

9. A distribution box according to claim 7, characterized in that: A fixing rod (33) is hingedly connected to one side of the fixing portion (313); a locking plate (34) is hingedly connected to the end of the fixing rod (33) away from the fixing portion (313); the locking plate (34) can be rotated to a position abutting against the upper side of the support plate (32) or a position abutting against the bottom side of the bending plate (21); and a positioning bolt (35) for fixing the locking plate (34) is provided on the outer side of the box body (1).

10. A distribution box according to claim 1, characterized in that: A first barrier net (15) is provided at the opening edge of the protective cover (14), and a second barrier net (16) is provided on the side of the cooling fan (12) facing outward.

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