Photovoltaic distribution box
By designing flexible installation of electrical component racks and moisture absorption mechanisms in the photovoltaic distribution box, the problem of degradation of waterproof performance caused by inflexible fixation of electrical components in the prior art is solved, and better waterproof performance and heat dissipation effect of electrical components are achieved.
Patent Information
- Application Number
- CN202422144466.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-02
AI Technical Summary
The fixed installation of electrical components in existing photovoltaic distribution boxes is inflexible, resulting in a degradation of waterproofing performance, especially in high humidity environments, which can easily lead to damage to internal components.
A photovoltaic distribution box including a box body, a box door, a rain guard, a moisture absorbing mechanism, rubber strips, mounting rods and mounting brackets is designed. The moisture absorbing mechanism is connected in conjunction with the box mounting hole, and the rubber strip is used to seal the through-wire hole, and the mounting frame can be flexibly adjusted to adapt to the size of the electrical components.
The moisture content is replaced regularly by the moisture absorption mechanism, and the moisture in the box is effectively absorbed, and the electrical components are away from the inner wall of the box, making it easier to dissipate heat. The sealing design of the rubber strip improves waterproof performance and protects internal components.
Smart Images

Figure CN223007217U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of distribution boxes, in particular to a photovoltaic distribution box. Background Art
[0002] The distribution box is a low-voltage power distribution device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to electrical wiring requirements. The distribution box is an important part of the power transportation system, and the operating status of the distribution box directly affects the safety of the entire power supply system.
[0003] A Chinese patent with authorization announcement number CN219937696U discloses a photovoltaic distribution box, including a box body, a mounting cavity is provided in the box body, a wire-through hole connected to the mounting cavity is provided on the lower side of the box body, a plurality of internal threaded rods are fixedly connected to the rear end surface of the mounting cavity, the internal threaded rods can fix two first power-on plates parallel to each other, the first power-on plates are provided with a plurality of threaded holes arranged in an orderly manner, two fuses and a connector are fixedly connected to the rear end wall of the mounting cavity, the line is connected into the mounting cavity through the wire-through hole, and is connected to the fuse in an orderly manner, the fuse needs to be connected to the first power-on plate in an orderly manner, the wire-through hole, the first power-on plate and the screw are provided, and one end of the line can be fixed in the threaded hole of the first power-on plate by a small screw, arranged in an orderly row, and the fuse is connected, the outer end line is connected into the mounting cavity in an orderly manner through the wire-through hole, so as to prevent the line from being messy and improve safety, a second power-on plate, a third power-on plate and a fourth power-on plate are provided, and the power supply of the line can be controlled by a switch.
[0004] However, the above technical solution has the following defects: multiple electrical components in the above photovoltaic distribution box are fixedly installed inside the distribution box and cannot be flexibly adjusted. The wire holes under the box connect the inside of the distribution box with the outside, which reduces the waterproof performance of the box. When the external air humidity is high, the internal components are easily damaged. Utility Model Content
[0005] The utility model aims to provide a photovoltaic distribution box in view of the problems existing in the background technology.
[0006] The technical solution of the utility model: a photovoltaic distribution box, including a box body, a box door, a rain shelter, a moisture absorption mechanism, a rubber strip, a mounting rod and a mounting frame;
[0007] One end of the box door is rotatably connected to the box body, the box door is provided with a handle, and the rainproof awning is connected to the upper end of the box body;
[0008] The box body is provided with two mounting holes, and the moisture absorption mechanism is provided with two and is respectively connected with the two mounting holes;
[0009] There are two installation rods, both of which are connected to the inner wall of the box body. There are multiple installation frames, and the multiple installation frames are all slidably connected to the two installation rods. The multiple installation frames are arranged side by side, and the installation frames are provided with multiple through holes for installing electrical components;
[0010] There is a wire passing hole at the lower end of the box body. There are two rubber strips, and both rubber strips are connected to the inner wall of the wire passing hole. The rubber strips are symmetrically distributed in the wire passing hole.
[0011] Preferably, it further includes bolts and connecting blocks;
[0012] There are multiple bolts and connecting blocks. The bolts pass through the through holes on the installation frame and are connected with the connecting blocks in a matching manner. Two connecting blocks are connected to each installation frame, and the two connecting blocks are respectively slidably connected with the two installation rods in a matching manner.
[0013] Preferably, the projection shape of the connecting block is C-shaped.
[0014] Preferably, it further includes a fixing frame and elastic blocks;
[0015] There are two fixing frames, which are respectively connected to two installation holes in the box body. The moisture absorption mechanism is slidably connected to the corresponding fixing frame, and fixing plates are provided at the ends of the moisture absorption mechanism;
[0016] The box body is provided with two limiting components, and the two limiting components are pressed on the surface of the fixing plate. There are two elastic blocks, which are respectively connected to the inner walls of the two fixing frames, and the ends of the moisture absorption mechanism are pressed on the surfaces of the corresponding elastic blocks.
[0017] Preferably, the limiting component includes a stop block, a spring and a slider;
[0018] The box body is provided with a sliding groove. The slider is connected to the stop block, and the slider is slidably connected with the sliding groove. The surface of the stop block is pressed on the surface of the fixing plate, and the spring is connected to the slider and the end of the sliding groove, and the spring is in a compressed state.
[0019] Preferably, a limiting plate is provided at one end of the inner wall of the box body close to the box door. The projection shape of the limiting plate is a square frame shape, and the box door is provided with a lock, and the lock is connected with the limiting plate in a matching manner.
[0020] Preferably, the box door is provided with a sealing ring, and in the closed state, the sealing ring is pressed on the surface of the limiting plate.
[0021] Preferably, there are multiple heat dissipation holes on the box body, and the multiple heat dissipation holes are evenly distributed on the box body.
[0022] Compared with the prior art, the above technical solutions of the present utility model have the following beneficial technical effects:
[0023] 1. In the present utility model, two moisture absorption mechanisms are provided inside the box body. The moisture absorption mechanisms are movably connected to the mounting holes on the box body. The moisture absorption mechanisms can be replaced regularly to absorb the moisture inside the box body. The electrical components are all mounted on the mounting rack to keep them away from the inner wall of the box body, facilitating the heat dissipation of the electrical components.
[0024] 2. In the present utility model, the moisture absorption mechanism is movably connected to the mounting hole. One end of the moisture absorption mechanism presses against the elastic block, and the spring drives the slider and the stop block to move. The stop block presses tightly on the surface of the fixed plate, and the other end of the moisture absorption mechanism presses tightly on the elastic block. When disassembling the moisture absorption mechanism, slide the stop block away from the fixed plate, and the elastic block will eject the moisture absorption mechanism from the mounting hole, facilitating direct removal. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a three-dimensional view of a photovoltaic distribution box proposed by the present utility model.
[0026] Figure 2 It is a schematic diagram of the structure inside the box body in an embodiment proposed by the present utility model.
[0027] Figure 3 It is a schematic diagram of the structure of a photovoltaic distribution box proposed by the present utility model.
[0028] Figure 4 It is Figure 2 the schematic diagram of the internal structure at A in
[0029] Reference numerals: 1, box body; 2, box door; 3, handle; 4, rain shelter; 5, fixed plate; 6, stop block; 7, heat dissipation hole; 8, moisture absorption mechanism; 9, fixing frame; 10, elastic block; 11, limit plate; 12, rubber strip; 13, through hole; 14, mounting rod; 15, mounting rack; 17, bolt; 18, connecting block; 19, sealing ring; 21, spring; 22, slider. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0030] Embodiment 1
[0031] As Figures 1 - 4 shown, a photovoltaic distribution box proposed by the present utility model includes a box body 1, a box door 2, a rain shelter 4, a moisture absorption mechanism 8, a rubber strip 12, a mounting rod 14 and a mounting rack 15;
[0032] One end of the box door 2 is rotatably connected to the box body 1. The box door 2 is provided with a handle 3, and the rain shelter 4 is connected to the upper end of the box body 1;
[0033] Furthermore, a limit plate 11 is provided at one end of the inner wall of the box body 1 close to the box door 2. The projected shape of the limit plate 11 is a square frame. The box door 2 is provided with a lock, and the lock is cooperatively connected with the limit plate 11;
[0034] Furthermore, the box door 2 is provided with a sealing ring 19. In the closed state, the sealing ring 19 presses tightly on the surface of the limit plate 11;
[0035] The box body 1 is provided with two mounting holes, and there are two moisture absorption mechanisms 8 which are respectively connected in a mating manner with the two mounting holes;
[0036] There are two mounting rods 14 which are both connected to the inner wall of the box body 1. There are multiple mounting frames 15. The multiple mounting frames 15 are all slidably connected to the two mounting rods 14. The multiple mounting frames 15 are arranged side by side. The mounting frames 15 are provided with multiple through holes 13 for mounting electrical components;
[0037] Furthermore, the box body 1 is provided with multiple heat dissipation holes 7, and the multiple heat dissipation holes 7 are evenly distributed on the box body 1;
[0038] The lower end of the box body 1 is provided with a wire passing hole. There are two rubber strips 12. The two rubber strips 12 are both connected to the inner wall of the wire passing hole, and the rubber strips 12 are symmetrically distributed in the wire passing hole.
[0039] In the present utility model, there are two mounting rods 14 inside the box body 1. The multiple mounting frames 15 are all slidably connected to the two mounting rods 14. The positions of the mounting frames 15 can be flexibly adjusted so that they can be adjusted according to the size of the electrical components. The multiple mounting frames 15 are arranged side by side, so that the electrical components mounted on them are also neatly arranged. The wires of the electrical components pass through the wire passing hole. There are multiple layers of rubber strips in the wire passing hole. The rubber strips are pressed against the outer peripheral surface of the wires, making its sealing performance better; in the present utility model, there are two moisture absorption mechanisms 8 inside the box body 1. The moisture absorption mechanisms 8 are movably and cooperatively connected with the mounting holes on the box body 1. The moisture absorption mechanisms can be replaced regularly to absorb the moisture inside the box body 1. The electrical components are all mounted on the mounting frames 15, making them away from the inner wall of the box body 1 and facilitating the heat dissipation of the electrical components.
[0040] Embodiment 2
[0041] As Figures 2 - 3 shown, a photovoltaic distribution box proposed by the present utility model, compared with Embodiment 1, this embodiment further includes bolts 17 and connection blocks 18;
[0042] There are multiple bolts 17 and connection blocks 18. The bolts 17 pass through the through holes 13 on the mounting frames 15 and are connected in a mating manner with the connection blocks 18. Two connection blocks 18 are connected to each mounting frame 15, and the two connection blocks 18 are respectively slidably and cooperatively connected with the two mounting rods 14.
[0043] Furthermore, the projected shape of the connection block 18 is C-shaped.
[0044] In this embodiment, two connection blocks 18 are mounted on each mounting frame 15. The connection blocks 18 are slidably and cooperatively connected with the corresponding mounting rods 14. The mounting frames 15 are convenient to disassemble and install. The mounting frames 15 can move flexibly on the mounting rods 14 and can be flexibly adjusted according to the size of the electrical components. The electrical components are mounted on the mounting frames 15, making the electrical components away from the inner wall of the box body 1 and facilitating their heat dissipation.
[0045] Embodiment III
[0046] As Figures 2 - 4 shown, a photovoltaic distribution box proposed by the present utility model, compared with Embodiment I, further includes a fixing frame 9 and an elastic block 10 in this embodiment;
[0047] There are two fixing frames 9 which are respectively connected to two mounting holes in the box body 1, and the moisture absorption mechanism 8 is slidably connected to the corresponding fixing frame 9. Fixing plates 5 are provided at the ends of the moisture absorption mechanism 8;
[0048] The box body 1 is provided with two limiting components. The two limiting components are pressed against the surface of the fixing plate 5. There are two elastic blocks 10 which are respectively connected to the inner walls of the two fixing frames 9. The ends of the moisture absorption mechanism 8 are pressed against the surfaces of the corresponding elastic blocks 10.
[0049] The limiting component includes a stop block 6, a spring 21 and a slider 22;
[0050] The box body 1 is provided with a chute. The slider 22 is connected to the stop block 6. The slider 22 is slidably connected with the chute. The surface of the stop block 6 is pressed against the surface of the fixing plate 5. The spring 21 is connected to the slider 22 and the end of the chute. The spring 21 is in a compressed state.
[0051] In this embodiment, the moisture absorption mechanism 8 is movably connected with the mounting hole. Slide the stop block 6 away from the edge of the mounting hole. The moisture absorption mechanism 8 passes through the mounting hole and is slidably connected with the corresponding fixing frame 9. One end of the moisture absorption mechanism 8 presses the elastic block 10. The fixing plate 5 moves into the mounting hole. The spring 21 drives the slider 22 and the stop block 6 to move. The stop block 6 is pressed against the surface of the fixing plate 5. The other end of the moisture absorption mechanism 8 is pressed against the elastic block 10. When disassembling the moisture absorption mechanism 8, slide the stop block 6 away from the fixing plate 5. The elastic block 10 pops the moisture absorption mechanism 8 out of the mounting hole, which is convenient for direct removal.
[0052] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited thereto. Various changes can be made without departing from the gist of the present utility model within the knowledge scope of those skilled in the art to which the present utility model pertains.
Claims
1. A photovoltaic distribution box, characterized in that: It includes a box body (1), a box door (2), a rain shelter (4), a moisture absorption mechanism (8), rubber strips (12), mounting rods (14) and mounting brackets (15); One end of the box door (2) is rotatably connected to the box body (1). The box door (2) is provided with a handle (3), and the rain shelter (4) is connected to the upper end of the box body (1); The box body (1) is provided with two mounting holes, and there are two moisture absorption mechanisms (8) which are respectively connected in cooperation with the two mounting holes; There are two mounting rods (14) which are both connected to the inner wall of the box body (1). There are multiple mounting brackets (15). The multiple mounting brackets (15) are all slidably connected to the two mounting rods (14). The multiple mounting brackets (15) are arranged side by side. The mounting brackets (15) are provided with multiple through holes (13) for mounting electrical components; The lower end of the box body (1) is provided with a wire passing hole. There are two rubber strips (12). The two rubber strips (12) are both connected to the inner wall of the wire passing hole, and the rubber strips (12) are symmetrically distributed in the wire passing hole.
2. A photovoltaic distribution box according to claim 1, characterized in that: It also includes bolts (17) and connection blocks (18); There are multiple bolts (17) and connection blocks (18). The bolts (17) pass through the through holes (13) on the mounting brackets (15) and are connected in cooperation with the connection blocks (18). There are two connection blocks (18) connected to each mounting bracket (15), and the two connection blocks (18) are respectively slidably connected in cooperation with the two mounting rods (14).
3. A photovoltaic distribution box according to claim 2, characterized in that: The projected shape of the connection block (18) is C-shaped.
4. A photovoltaic distribution box according to claim 1, characterized in that: It also includes a fixing bracket (9) and an elastic block (10); There are two fixing brackets (9) which are respectively connected to the two mounting holes in the box body (1). The moisture absorption mechanism (8) is slidably connected to the corresponding fixing bracket (9), and fixing plates (5) are provided at the ends of the moisture absorption mechanism (8); The box body (1) is provided with two limiting components. The two limiting components are pressed against the surface of the fixing plate (5). There are two elastic blocks (10) which are respectively connected to the inner walls of the two fixing brackets (9), and the ends of the moisture absorption mechanism (8) are pressed against the surfaces of the corresponding elastic blocks (10).
5. A photovoltaic distribution box according to claim 4, characterized in that: The limiting component includes a stop block (6), a spring (21) and a slider (22); The box body (1) is provided with a chute. The slider (22) is connected to the stop block (6). The slider (22) is slidably connected to the chute. The surface of the stop block (6) is pressed against the surface of the fixing plate (5). The spring (21) is connected to the slider (22) and the end of the chute, and the spring (21) is in a compressed state.
6. A photovoltaic distribution box according to claim 1, characterized in that: A limiting plate (11) is provided at one end of the inner wall of the box body (1) close to the box door (2). The projected shape of the limiting plate (11) is a square frame shape. The box door (2) is provided with a lock, and the lock is connected in cooperation with the limiting plate (11).
7. A photovoltaic distribution box according to claim 6, characterized in that: The box door (2) is provided with a sealing ring (19). In the closed state, the sealing ring (19) is pressed against the surface of the limiting plate (11).
8. A photovoltaic distribution box according to claim 1, characterized in that: The box body (1) is provided with multiple heat dissipation holes (7), and the multiple heat dissipation holes (7) are evenly distributed on the box body (1).
Citation Information
Patent Citations
Photovoltaic distribution box
CN219937696U
Cited By
Low-voltage integrated distribution box with mounting rack
CN224596056U