High protection type distribution box

Abstract

The invention relates to a high protection type power distribution box, and relates to the technical field of power distribution boxes, the high protection type power distribution box comprises a box body and two box doors, the middle part in the box body is fixedly provided with a spacing board along the vertical direction, one side of each box door is hinged with the box body, the other side of the box body is detachably connected with the spacing board, and the two box doors are arranged in the box body. A plurality of heat dissipation holes are formed in the vertical side wall, away from the partition plate, of the box body. The inner side face of the box body is fixedly provided with a blocking plate used for blocking the heat dissipation holes, the blocking plate is provided with blocking holes coinciding with the heat dissipation holes, the side face, close to the heat dissipation holes, of the blocking plate is provided with a limiting sinking groove, and the inner wall of the box body is fixedly provided with a blocking net located in the limiting sinking groove. According to the device, after the barrier plate is installed, the barrier net is synchronously located in the limiting sinking groove, and installation of the barrier net is further limited; the possibility that outside insects enter the box body through the heat dissipation holes is reduced through the barrier net, and the use performance of the electrical equipment in the box body is improved.

Description

Technical Field

[0001] The present application relates to the technical field of distribution boxes, and in particular to a high-protection distribution box. Background Art

[0002] The distribution box, also known as the distribution cabinet, as an integrated unit of the motor control center, occupies a pivotal position in the power system. With a series of advantages such as compact size, convenient installation, unique technical characteristics, fixed position, specific functional configuration, strong environmental adaptability, wide application, stable and reliable operation, efficient space utilization, small footprint and significant environmental benefits, it has become the preferred equipment for power distribution and management.

[0003] Under the traditional technical framework, a typical distribution box design includes a box body and two box doors. The two doors are connected to the box body by hinges at one edge away from each other, and the other edge is detachably fixed to the box body by conventional locks. In order to ensure effective heat dissipation of the electrical components inside the distribution box, designers usually carefully arrange multiple heat dissipation vents on the side walls of the box to promote air circulation and reduce the internal temperature.

[0004] However, when such distribution boxes are deployed in outdoor environments, a problem that cannot be ignored emerges: insects in nature may use these heat dissipation holes as invasion paths to sneak into the distribution box. This may not only interfere with the normal operation of the electrical equipment in the box and reduce its efficiency, but may also cause safety hazards such as short circuits and faults, posing a threat to the stable operation of the power system. There is room for improvement. Summary of the invention

[0005] The purpose of the present application is to provide a highly protected distribution box to solve the problem that when the above-mentioned distribution box is used outdoors, external insects may enter the box through the heat dissipation port and affect the performance of the electrical equipment in the box.

[0006] The high protection type distribution box provided in this application adopts the following technical solution: A high-protection distribution box comprises a box body and two box doors, wherein a partition plate is fixedly arranged in the middle part of the box body in the vertical direction, one side of the box door is hinged to the box body, and the other side of the box body is detachably connected to the partition plate, and a plurality of heat dissipation holes are provided on the vertical side wall of the box body away from the partition plate; a blocking plate for blocking the heat dissipation holes is fixedly arranged on the inner side surface of the box body, and blocking holes overlapping with the heat dissipation holes are provided on the blocking plate, and a limiting groove is provided on the side of the blocking plate close to the heat dissipation hole, and a blocking net located in the limiting groove is fixedly arranged on the inner wall of the box body.

[0007] By adopting the above technical solution, after the barrier plate is installed, due to the installation of the barrier net on the inner wall of the box, the barrier net is simultaneously located inside the limiting groove, and the installation of the barrier net is further limited; the barrier net is used to reduce the possibility of external insects entering the box through the heat dissipation holes, thereby improving the performance of the electrical equipment in the box.

[0008] Optionally, an upper protective cover with an upward opening is fixedly provided at the opening edge of the blocking hole on the side of the blocking plate away from the box body, and a lower protective cover with an downward opening is fixedly provided at the outer opening edge of the heat dissipation hole of the box body.

[0009] By adopting the above technical solution, during the application of the distribution box, due to the coordinated setting of the upper protective cover and the lower protective cover, the opening size of the heat dissipation holes and the barrier holes can be reduced, further reducing the possibility of entry of external insects, and also reducing the possibility of external rainwater entering the box through the heat dissipation holes and the barrier holes.

[0010] Optionally, a plurality of supporting cross bars for mounting electrical equipment are provided inside the box body, positioning blocks are fixedly provided at both ends of the supporting cross bars, and positioning slots for the positioning blocks to be embedded and fixed are provided on the side walls of the box body away from the door.

[0011] By adopting the above technical solution, during the installation of the supporting cross bar, due to the matching arrangement of the positioning block and the positioning slot, the positioning block on the supporting cross bar can be embedded into the positioning slot on the inner wall of the box, thereby improving the installation efficiency of the supporting cross bar; and the electrical equipment inside the box can be installed on the supporting cross bar, thereby improving the space utilization inside the box.

[0012] Optionally, an elastic clamping piece is provided on the side surface of the positioning plug block, and a positioning groove for the elastic clamping piece to be inserted into is formed on the inner wall of the positioning slot.

[0013] By adopting the above technical solution, when the positioning block is inserted into the positioning slot, due to the matching arrangement of the elastic clip and the positioning groove, the elastic clip can be snapped into the positioning groove, thereby improving the installation stability of the positioning block in the positioning slot.

[0014] Optionally, a locking rod is provided on the inner wall of the box body for sliding in the vertical direction, and a control member is provided inside the box body for driving the locking rod to slide up and down in the vertical direction; a locking block is fixedly provided on the side of the locking rod and located below the supporting cross bar, a limiting plug is fixedly provided on the upper side of the locking block, and a limiting slot is provided on the supporting cross bar for inserting the limiting plug.

[0015] By adopting the above technical solution, due to the combined setting of the locking rod and the control member, when the control member drives the locking rod to slide upward, it also drives the locking block and the limit plug block to move upward, so that the limit plug block is inserted into the limit slot on the supporting cross bar, thereby improving the installation stability of the supporting cross bar.

[0016] Optionally, the control member is a control rod with one end hinged on the partition plate, the rotating surface of the control rod is parallel to the bottom side surface of the box body, and a guide bevel is fixed on the edge of the lower end of the locking rod; the control rod can rotate along the guide bevel to a state of abutting against the lower end of the locking rod, thereby allowing the limit block to be inserted into the limit slot.

[0017] By adopting the above technical solution, during the use of the control part, the staff can rotate the control rod along the guide slope to a state of abutment with the lower end of the locking rod, so that the limit plug is inserted into the limit slot, thereby driving the locking rod to slide upward in the vertical direction, thereby further locking the supporting cross bar.

[0018] Optionally, the lower part of the baffle plate is rotatably connected to the inner wall of the box, and the upper part of the baffle plate is detachably connected to the inner wall of the box; when the control rod is rotated to a state perpendicular to the side of the partition plate, the baffle plate can be rotated downward to a horizontal state and abut against the upper side of the control rod.

[0019] By adopting the above technical solution, when it is necessary to inspect the inside of the distribution box and after releasing the lock of the supporting cross bar, the baffle plate is rotated downward to a horizontal state due to the hinged setting of the baffle plate. In this state, the control rod supports the lower side of the baffle plate, and the opening of the limit groove is facing upward, so that the removed screws can be placed inside the limit groove on the baffle plate, reducing the possibility of losing the screws removed later.

[0020] Optionally, a limiting notch is provided on the side of the blocking plate facing the control rod, and the upper edge of the control rod can be inserted into the limiting notch when the blocking plate rotates downward.

[0021] By adopting the above technical solution, due to the setting of the limiting notch, when the blocking plate is rotated downward to a horizontal state, the upper edge of the control rod can be inserted into the limiting notch on the bottom side of the blocking plate, thereby improving the supporting stability of the control rod on the blocking plate.

[0022] Optionally, a guide block is fixedly provided on the inner wall of the box body, and a guide through hole is opened on the guide block for the locking rod to pass through. A limiting protrusion located above the guide block is fixedly provided on the outer periphery of the locking rod, and the lower side surface of the limiting protrusion can abut against the upper side surface of the guide block.

[0023] By adopting the above technical solution, due to the combined setting of the guide block and the limiting protrusion, the sliding limit of the locking rod is achieved, thereby enhancing the stability of the locking rod during sliding; the downward sliding stroke of the locking rod is also limited to prevent the locking rod from sliding excessively downward.

[0024] Optionally, a receiving block located below the guide block is fixedly provided on the outer periphery of the locking rod, and a compression spring in a compressed state is provided inside the box body, and the two ends of the compression spring are respectively fixedly connected to the upper side surface of the receiving block and the lower side surface of the guide block, and the compression spring can squeeze the receiving block to make the limiting block fall out of the limiting slot.

[0025] By adopting the above technical solution, after the control rod is rotated out from under the locking rod, due to the combination of the receiving block and the compression spring, the compression spring squeezes the receiving block, driving the locking rod and the limit plug block to move downward as a whole, so that the limit plug block can automatically disengage from the limit slot, facilitating the subsequent disassembly of the supporting cross bar.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. Due to the installation of the barrier net on the inner wall of the box, after the barrier plate is installed, the barrier net is simultaneously located inside the limiting sink, further limiting the installation of the barrier net; the barrier net is used to reduce the possibility of external insects entering the box through the heat dissipation holes, thereby improving the performance of the electrical equipment in the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] 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.

[0028] Figure 1 It is a schematic diagram of the overall structure of Example 1 of the present application; Figure 2 This is a schematic diagram of the structure of the installation and coordination of the baffle plate in Example 1 of the present application; Figure 3 It is a partial cross-sectional structural schematic diagram of the installation and coordination of the baffle plate in Example 1 of the present application; Figure 4 This is a schematic diagram of the explosion structure of the installation distribution of the baffle plate and the baffle net in Example 1 of the present application; Figure 5 It is a schematic diagram of the overall structure of Example 2 of the present application; Figure 6 It is a partial cross-sectional structural schematic diagram of the installation and matching of the support cross bar in Example 2 of the present application; Figure 7yes Figure 6 A magnified schematic diagram of part A; Figure 8 It is a partial cross-sectional structural schematic diagram of the locking rod installation cooperation embodied in the second embodiment of the present application; Fig. 9 It is a schematic diagram of the partial cross-sectional structure of the assembly cooperation of the blocking plate and the locking rod according to Example 2 of the present application.

[0029] In the figure, 1, box body; 11, partition plate; 12, heat dissipation hole; 13, lower protective cover; 14, positioning slot; 141, positioning groove; 15, guide block; 151, guide through hole; 2, box door; 3, blocking plate; 31, blocking hole; 32, limiting sink groove; 33, upper protective cover; 34, limiting notch; 4, blocking net; 5, supporting cross bar; 51, positioning plug; 511, placement groove; 52, elastic clip; 521, spring; 522, arc-shaped protrusion; 53, limiting slot; 6, locking rod; 61, locking block; 62, limiting plug; 63, limiting protrusion; 64, receiving block; 65, compression spring; 66, guide slope; 7, control member; 71, control rod. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with all the accompanying drawings. Example

[0031] Reference Figure 1 , Figure 2 and Figure 3 A high-protection distribution box comprises a box body 1 and two box doors 2, wherein a partition plate 11 is fixedly arranged in the middle part of the box body 1 in the vertical direction, one side of the box door 2 is hinged to the box body 1, and the other side edge of the box body 1 is detachably connected to the partition plate 11 through a conventional lock structure (not shown in the figure), and the distribution box is a double-door structure; a plurality of heat dissipation holes 12 are evenly arranged on the vertical side wall of the box body 1 away from the partition plate 11.

[0032] Reference Figure 3 and Figure 4 A blocking plate 3 for blocking the heat dissipation hole 12 is fixedly provided on the inner side surface of the box body 1 by screws, and a blocking hole 31 is provided on the blocking plate 3 and coincides with the heat dissipation hole 12, wherein a limited position sinking groove 32 is provided on the side of the blocking plate 3 close to the heat dissipation hole 12, and a blocking net 4 is fixedly provided on the inner wall of the box body 1 by screws; The barrier net 4 is used to prevent external insects from entering the interior of the box 1 through the heat dissipation holes 12; after the barrier plate 3 is installed, the barrier net 4 is simultaneously located inside the limiting sink 32, further limiting the installation of the barrier net 4 and enhancing the installation stability of the barrier net 4.

[0033] Reference Figure 3An upper protective cover 33 with an upward opening is integrally formed at the opening edge of the blocking hole 31 on the side of the blocking plate 3 away from the box body 1, and a lower protective cover 13 with a downward opening is integrally formed at the outer opening edge of the heat dissipation hole 12 of the box body 1; the possibility of external insects entering is reduced, and the possibility of external rainwater entering the inside of the box body 1 through the heat dissipation hole 12 and the blocking hole 31 is also reduced.

[0034] The implementation principle of the embodiment of the present application is: During the application of the distribution box, the upper protective cover 33 and the lower protective cover 13 are used in combination to reduce the opening size of the heat dissipation holes 12 and the barrier holes 31, thereby reducing the possibility of external insects and rainwater entering the interior of the box body 1; and the installation of the barrier net 4 can further prevent external insects from entering the interior of the box body 1 through the heat dissipation holes 12. Example

[0035] Reference Figure 5 , Figure 6 and Figure 7 The embodiment of the present application is different from the embodiment 1 in that four support cross bars 5 for installing the electric equipment by clamping (or screw fixing) are arranged inside the box body 1, and positioning blocks 51 are fixedly arranged at both ends of the support cross bars 5, and a positioning slot 14 for the positioning block 51 to be inserted and fixed is provided on the side wall of the box body 1 away from the box door 2; an elastic clamping piece 52 is provided on the side of the positioning block 51, and a positioning groove 141 is provided on the inner wall of the positioning slot 14; When the supporting cross bar 5 is installed, the positioning block 51 is inserted into the corresponding positioning slot 14, and at the same time, the elastic clip 52 on the positioning block 51 is snapped into the corresponding positioning groove 141, so as to improve the installation stability of the positioning block 51 in the positioning slot 14; after the supporting cross bar 5 is installed, the corresponding electrical equipment can be installed on the supporting cross bar 5, thereby improving the corresponding space utilization.

[0036] Reference Figure 6 and Figure 7 The elastic clamping member 52 includes a spring 521 and an arc-shaped protrusion 522. The positioning plug 51 is provided with a placement groove 511 for the spring 521 and the arc-shaped protrusion 522 to be placed. The spring 521 squeezes the arc-shaped protrusion 522 so that a part of the arc-shaped protrusion 522 protrudes from the opening of the placement groove 511, and the outer side surface of the protruding part is an arc surface; when the positioning plug 51 is inserted into the positioning slot 14, the spring 521 squeezes the arc-shaped protrusion 522 so that a part of the arc-shaped protrusion 522 can be snapped into the positioning groove 141.

[0037] Reference Figure 6 and Figure 8A locking rod 6 is provided on the inner wall of the box body 1 so as to slide in the vertical direction, wherein a control member 7 is provided inside the box body 1 for driving the locking rod 6 to slide up and down in the vertical direction; a locking block 61 is fixedly provided on the side of the locking rod 6 and is located below the supporting cross bar 5, and a limiting plug 62 is fixedly provided on the upper side of the locking block 61, and a limiting slot 53 is provided on the supporting cross bar 5 for inserting the limiting plug 62; when the control member 7 drives the locking rod 6 to slide upward, the locking block 61 and the limiting plug 62 are driven to move upward, and then the limiting plug 62 is inserted into the limiting slot 53 on the supporting cross bar 5.

[0038] Reference Figure 8 The control member 7 is a control rod 71 with one end hinged on the partition plate 11, wherein the rotating surface of the control rod 71 is parallel to the bottom side surface of the box body 1, and a guide inclined surface 66 is fixedly provided on the edge of the lower end portion of the locking rod 6; the control rod 71 can rotate along the guide inclined surface 66 to abut against the lower end portion of the locking rod 6, thereby inserting the limiting plug 62 into the limiting slot 53, thereby driving the locking rod 6 to slide upward in the vertical direction.

[0039] Reference Figure 8 A guide block 15 is fixedly provided on the inner wall of the box body 1 by screws, wherein a guide through hole 151 is opened on the guide block 15 for the locking rod 6 to pass through, and a limiting protrusion 63 located above the guide block 15 is fixedly provided on the outer periphery of the locking rod 6, and the lower side of the limiting protrusion 63 can abut against the upper side of the guide block 15; firstly, the upward and downward sliding of the locking rod 6 can be limited by the guide block 15, and secondly, the downward sliding stroke of the locking rod 6 can be limited by the setting of the limiting protrusion 63.

[0040] Reference Figure 8 A receiving block 64 located below the guide block 15 is fixedly arranged on the outer periphery of the locking rod 6, and a compression spring 65 in a compressed state is arranged inside the box body 1, and the two ends of the compression spring 65 are respectively fixedly connected to the upper side of the receiving block 64 and the lower side of the guide block 15; when the control rod 71 is rotated out from the bottom of the locking rod 6, the compression spring 65 squeezes the receiving block 64, driving the locking rod 6 and the limiting plug 62 to move downward as a whole, thereby causing the limiting plug 62 to escape from the limiting slot 53.

[0041] Reference Figure 8 and Fig. 9 The lower part of the blocking plate 3 is rotatably connected to the inner wall of the box body 1, wherein the upper part of the blocking plate 3 is detachably connected to the inner wall of the box body 1 by butterfly bolts, and a limiting notch 34 is provided on the side of the blocking plate 3 facing the control rod 71; When it is necessary to inspect the inside of the distribution box, first rotate the control rod 71 to a position perpendicular to the side of the partition plate 11, then rotate the baffle plate 3 downward to a horizontal position, and the upper edge of the control rod 71 can be inserted into the limiting notch 34 on the bottom side of the baffle plate 3, so that the control rod 71 supports the lower side of the baffle plate 3.

[0042] The implementation principle of the embodiment of the present application is: When the distribution box is used normally, the installation stability of the supporting cross bar 5 is enhanced due to the coordinated arrangement of the control rod 71 and the locking rod 6; when the electrical equipment installed on the supporting cross bar 5 in the distribution box needs to be repaired, the control rod 71 is rotated to a state perpendicular to the side of the partition plate 11, and then the blocking plate 3 is rotated downward to a horizontal state. At this time, the locking of the supporting cross bar 5 is released, and the removed screws can be placed inside the limiting groove 32 on the blocking plate 3, thereby reducing the possibility of losing the screws removed later.

[0043] 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.

[0044] 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 high-protection distribution box, comprising a box body (1) and two box doors (2), wherein a partition plate (11) is fixedly arranged in the middle part of the box body (1) along the vertical direction, one side of the box door (2) is hinged to the box body (1), and the other side of the box body (1) is detachably connected to the partition plate (11), and a plurality of heat dissipation holes (12) are opened on the vertical side wall of the box body (1) away from the partition plate (11); It is characterized in that A blocking plate (3) for blocking the heat dissipation hole (12) is fixedly provided on the inner side surface of the box body (1); a blocking hole (31) overlapping with the heat dissipation hole (12) is provided on the blocking plate (3); a limiting recess (32) is provided on the side surface of the blocking plate (3) close to the heat dissipation hole (12); and a blocking net (4) located in the limiting recess (32) is fixedly provided on the inner wall of the box body (1).

2. A high protection type distribution box according to claim 1, characterized in that: An upper protective cover (33) with an opening facing upward is fixedly provided on the side of the baffle plate (3) away from the box body (1) at the opening edge of the baffle hole (31), and a lower protective cover (13) with an opening facing downward is fixedly provided on the outer opening edge of the heat dissipation hole (12) of the box body (1).

3. A high protection type distribution box according to claim 1, characterized in that: A plurality of support cross bars (5) for mounting electric equipment are arranged inside the box body (1), positioning blocks (51) are fixedly arranged at both ends of the support cross bars (5), and a positioning slot (14) for the positioning blocks (51) to be inserted and fixed is provided on the side wall of the box body (1) away from the box door (2).

4. A high protection type distribution box according to claim 3, characterized in that: An elastic clamping piece (52) is provided on the side surface of the positioning plug block (51), and a positioning groove (141) for the elastic clamping piece (52) to be clamped is provided on the inner wall of the positioning slot (14).

5. A high protection type distribution box according to claim 3, characterized in that: A locking rod (6) is slidably provided on the inner wall of the box body (1) in the vertical direction, and a control member (7) is provided inside the box body (1) for driving the locking rod (6) to slide up and down in the vertical direction; A locking block (61) located below the supporting cross bar (5) is fixedly provided on the side surface of the locking rod (6), a limiting plug block (62) is fixedly provided on the upper side surface of the locking block (61), and a limiting slot (53) for inserting the limiting plug block (62) is provided on the supporting cross bar (5).

6. A high protection type distribution box according to claim 5, characterized in that: The control member (7) is a control rod (71) with one end hinged on the partition plate (11), the rotation surface of the control rod (71) is parallel to the bottom side surface of the box body (1), and a guide inclined surface (66) is fixedly provided on the edge of the lower end of the locking rod (6); The control rod (71) can rotate along the guide inclined surface (66) to a state where it abuts against the lower end of the locking rod (6), thereby allowing the limiting plug block (62) to be inserted into the limiting slot (53).

7. A high protection type distribution box according to claim 6, characterized in that: The lower part of the baffle plate (3) is rotatably connected to the inner wall of the box body (1), and the upper part of the baffle plate (3) is detachably connected to the inner wall of the box body (1); When the control rod (71) is rotated to a state perpendicular to the side surface of the partition plate (11), the blocking plate (3) can be rotated downward to a horizontal state and abut against the upper side surface of the control rod (71).

8. A high protection type distribution box according to claim 7, characterized in that: A limiting notch (34) is provided on the side of the blocking plate (3) facing the control rod (71), and the upper edge of the control rod (71) can be inserted into the limiting notch (34) when the blocking plate (3) is rotated downward.

9. A high protection type distribution box according to claim 6, characterized in that: A guide block (15) is fixedly provided on the inner wall of the box body (1), and a guide through hole (151) is provided on the guide block (15) for the locking rod (6) to pass through. A limiting protrusion (63) located above the guide block (15) is fixedly provided on the outer periphery of the locking rod (6), and the lower side surface of the limiting protrusion (63) can abut against the upper side surface of the guide block (15).

10. A high protection type distribution box according to claim 9, characterized in that: A receiving block (64) located below the guide block (15) is fixedly provided on the outer periphery of the locking rod (6), and a compression spring (65) in a compressed state is provided inside the box body (1), and two ends of the compression spring (65) are respectively fixedly connected to the upper side of the receiving block (64) and the lower side of the guide block (15), and the compression spring (65) can squeeze the receiving block (64) to make the limiting plug (62) escape from the limiting slot (53).

Images