control box

Abstract

The utility model discloses a control box, control box includes box, first lid and electrical component. The box has the accommodation cavity, and the accommodation cavity is equipped with first opening in the length direction one side of the box. The first lid covers first opening and can draw the movement relative to the box. Electrical component is located in the accommodation cavity, and the electrical component with the inner wall fixed connection of first lid. When drawing first lid to make first lid relative to the box away, first lid can drive electrical component from the accommodation cavity in synchronization and draw out. Such setting, can conveniently change the electrical component in control box to fast, thereby reducing the operation and maintenance cost.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaics, and in particular to a control box. Background Technology

[0002] Currently, photovoltaic (PV) systems utilize tracking brackets to improve power generation efficiency. Therefore, the control box of the tracking bracket plays a crucial role in the entire system. The control box typically houses circuit boards, batteries, and other control modules. The batteries provide power to the PV panels at night or on cloudy days. The batteries, circuit boards, and other control modules are generally secured to the control box using bolts and other fasteners. However, batteries have a limited lifespan. Therefore, regular battery replacement is necessary during routine maintenance to ensure the proper functioning of the tracking bracket. The replacement process involves removing the control box cover and then unscrewing the screws securing the battery to the box before it can be removed. This cumbersome and time-consuming process increases maintenance costs.

[0003] Therefore, it is necessary to provide a control box to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a control box that allows for quick replacement of electrical components within the control box, thereby reducing maintenance costs.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A control box, installed on the main beam of a photovoltaic tracking bracket, includes:

[0007] The box has a receiving cavity, and the receiving cavity has a first opening on one side of the box along its length.

[0008] A first cover, which covers the first opening and is capable of being pulled out and moved relative to the box body;

[0009] An electrical component is disposed within the receiving cavity, and the electrical component is fixedly connected to the inner wall of the first cover.

[0010] When the first cover is pulled out to move away from the housing, the first cover can simultaneously pull the electrical components out of the receiving cavity.

[0011] Furthermore, the control box also includes a mounting plate, one end of which is fixed to the first cover and extends toward the interior of the receiving cavity, and the electrical components are mounted on the mounting plate.

[0012] Furthermore, the electrical components include a battery and / or a circuit board.

[0013] Furthermore, the circuit board is fixed to one end face of the mounting plate by fasteners, and / or, the other end face of the mounting plate is provided with a mounting bracket, and the battery is assembled in the mounting bracket.

[0014] Furthermore, the control box also includes a second cover, the receiving cavity has a second opening, the second opening is disposed opposite to the first opening, the second cover covers the second opening, and the other side of the mounting plate is inserted and fixed to the inner wall of the second cover.

[0015] Furthermore, the inner wall of the second cover is provided with a first positioning block and a second positioning block, and a positioning groove is provided between the first positioning block and the second positioning block, and the mounting plate is inserted into the positioning groove.

[0016] Furthermore, the outer side of the first cover is also provided with a handle and a connector interface, the connector interface being electrically connected to the electrical component.

[0017] Furthermore, the outer wall of the box is provided with a connecting groove, and the control box is fixedly connected to the fixed beam by a connecting assembly. The connecting assembly includes a clamp, a bolt and a nut. One end of the bolt is engaged in the connecting groove, and the other end of the bolt passes through the clamp and is connected to the nut.

[0018] Furthermore, the cross-section of the connecting groove is T-shaped, the bolt is a T-bolt, and the bolt is installed in conjunction with the connecting groove.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. By covering the first opening of the box with the first cover, disassembly is convenient.

[0021] 2. By placing the electrical components on the inner wall of the first cover, pulling the first cover allows it to move relative to the housing, simultaneously removing the electrical components from the receiving cavity. This facilitates quick replacement of the electrical components within the control box, thereby reducing maintenance costs. Attached Figure Description

[0022] Figure 1 This is a three-dimensional schematic diagram of the fixed beam, connecting components, and control box in this utility model;

[0023] Figure 2 yes Figure 1 A three-dimensional exploded view;

[0024] Figure 3 yes Figure 1 A cross-sectional schematic diagram;

[0025] Figure 4 yes Figure 3A magnified view of part A in the middle;

[0026] Figure 5 This is a three-dimensional exploded view of the control box in this utility model;

[0027] Figure 6 yes Figure 5 A three-dimensional diagram from another angle;

[0028] Figure 7 This is a three-dimensional exploded view of the housing, first cover, electrical components, second cover, mounting plate, mounting bracket, handle, and connector interface of this utility model.

[0029] Figure 8 yes Figure 7 A three-dimensional diagram from another angle;

[0030] Figure 9 This is a cross-sectional schematic diagram of the control box in this utility model;

[0031] Figure 10 yes Figure 9 A magnified view of part B in the middle section;

[0032] Figure 11 yes Figure 9 A magnified view of part C in the middle;

[0033] Figure 12 This is a three-dimensional schematic diagram of the second cover body in this utility model;

[0034] Figure 13 This is a three-dimensional schematic diagram of the first cover body in this utility model;

[0035] Figure 14 This is a three-dimensional exploded view of the electrical components, mounting plate, and mounting bracket in this utility model;

[0036] Figure 15 This is a three-dimensional schematic diagram of the mounting plate in this utility model;

[0037] Figure 16 yes Figure 14 Another perspective of the three-dimensional breakdown diagram.

[0038] Explanation of reference numerals in the attached figures:

[0039] 100. Control box;

[0040] 1. Housing; 101. Receiving cavity; 102. First opening; 103. Second opening; 11. Top wall; 12. Bottom wall; 13. Side wall; 14. First connecting wall; 104. Connecting groove; 141. Main body; 142. Snap-fit ​​part; 105. First connecting hole; 15. Second connecting wall; 106. Second connecting hole;

[0041] 2. First cover; 21. First sealing groove; 201. Third connecting hole;

[0042] 3. Electrical components; 31. Battery; 32. Circuit board;

[0043] 4. Mounting plate; 41. First surface; 411. Protrusion; 42. Second surface; 421. Recess; 401. Groove; 43. Fixing part;

[0044] 5. Mounting bracket; 51. Support part; 52. Connecting part; 521. First connecting part; 522. Second connecting part; 53. Blocking part;

[0045] 6. Second cover; 601. Positioning groove; 602. Fourth connecting hole; 61. First positioning block; 611. First positioning part; 612. Second positioning part; 62. Second positioning block; 621. Third positioning part; 622. Fourth positioning part; 63. First reinforcing rib; 64. Second reinforcing rib; 65. Second sealing groove;

[0046] 7. Handle;

[0047] 8. Connector interface;

[0048] 200. Fixed beam;

[0049] 300. Connecting assembly; 310. Clamp; 320. Bolt; 321. Head; 3211. First wall; 3212. Second wall; 322. Threaded part; 330. Nut. Detailed Implementation

[0050] The exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. If several embodiments exist, features in these embodiments may be combined with each other without conflict. When the description refers to the drawings, unless otherwise stated, the same numbers in different drawings represent the same or similar elements. The descriptions in the following exemplary embodiments do not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatuses, products, and / or methods consistent with some aspects of the present invention as set forth in the claims.

[0051] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the scope of protection of this invention. The singular forms “a,” “the,” or “the” used in the specification and claims of this invention are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0052] Please refer to Figures 1 to 16This utility model discloses a control box 100, which is mounted on a fixed beam. The control box 100 includes a box body 1, a first cover 2, and electrical components 3. The box body 1 has a receiving cavity 101, and the receiving cavity 101 has a first opening 102 on one side along the length of the box body 1. The first cover 2 covers the first opening 102 and can be pulled out relative to the box body 1. The electrical components 3 are disposed in the receiving cavity 101 and are fixedly connected to the inner wall of the first cover 2. When the first cover 2 is pulled out to move away from the box body 1, the first cover 2 can simultaneously pull the electrical components 3 out of the receiving cavity 101. With this configuration, when on-site maintenance personnel perform maintenance on the control box 100, it is more convenient and faster for maintenance personnel to disassemble the electrical components 3 inside the box body 1, thereby reducing maintenance costs.

[0053] Please refer to Figure 1 For ease of explanation, this application defines the following: Figure 1 The length direction of the box 1 shown is the first direction D1-D1, the thickness direction of the box 1 is the second direction D2-D2, and the height direction of the box 1 is the third direction D3-D3. The first direction D1-D1, the second direction D2-D2, and the third direction D3-D3 are all perpendicular to each other.

[0054] Please refer to Figures 2 to 8 The housing 1 includes a top wall 11, a bottom wall 12 opposite to the top wall 11, and two side walls 13 connecting the top wall 11 and the bottom wall 12. In the embodiment of this application, the top wall 11 and the bottom wall 12 are opposite to each other in a third direction D3-D3, and the two side walls 13 are opposite to each other in a second direction D2-D2. The top wall 11, the bottom wall 12, and the two side walls 13 are interconnected to form a receiving cavity 101. The receiving cavity 101 has a first opening 102 on one side of the housing 1 in the first direction D1-D1, and a first cover 2 covers the first opening 102 in the first direction D1-D1. When the first cover 2 is pulled out, the first cover 2 can drive the electrical component 3 out of the receiving cavity 101 along the first direction D1-D1. This facilitates maintenance and reduces maintenance costs.

[0055] In other embodiments, the two side walls of the housing 1 are arranged opposite each other along a first direction D1-D1, and the receiving cavity 101 has a first opening on one side of the housing 1 in a second direction D2-D2. By pulling out the first cover 2, the electrical component 3 is simultaneously pulled out from the receiving cavity 101 along the second direction D2-D2. In another embodiment, the housing 1 includes a top wall 11 and side walls extending vertically downward from the edge of the top wall 11. The top wall 11 and the side walls enclose the receiving cavity 101, and the receiving cavity 101 has a first opening on the side opposite to the top wall 11 along a third direction D3-D3. The first cover 2 covers the first opening, and by pulling out the first cover 2, the electrical component 3 is simultaneously pulled out from the receiving cavity 101 downward along the third direction D3-D3.

[0056] Preferably, the housing 1 is manufactured by an integral extrusion molding process, so the wall thickness of the housing 1 is thin, thereby reducing the overall weight of the control box 100, achieving lightweight control box 100, and reducing the load borne by the fixed beam.

[0057] Please refer to Figures 5 to 8 as well as Figures 14 to 16 The control box 100 also includes a mounting plate 4, one end of which is vertically fixed to the first cover 2 and extends toward the interior of the receiving cavity 101. Electrical components 3 are mounted on the mounting plate 4. This arrangement facilitates the installation of electrical components 3.

[0058] Specifically, the mounting plate 4 includes a first surface 41 and a second surface 42 arranged opposite to each other in a third direction D3-D3. The first surface 41 has two protrusions 411, which protrude upwards from the first surface 41 along the third direction D3-D3. The two protrusions 411 extend along the length of the first surface 41 and are parallel and spaced apart along a second direction D2-D2. The second surface 42 has two recesses 421, which are recessed upwards from the second surface 42 along the third direction D3-D3. The two recesses 421 extend along the length of the second surface 42 and are parallel and spaced apart along a second direction D2-D2. Each protrusion 411 corresponds vertically to and overlaps with each recess 421. The mounting plate 4 also has a fixing part 43 on one side of its length direction, which is fixedly connected to the inner wall of the first cover 2 by fasteners. The other end face of the mounting plate 4 is provided with a mounting bracket 5. The mounting bracket 5 includes a support portion 51, two connecting portions 52 disposed on both sides of the support portion 51 along its length, and two blocking portions 53 disposed on both sides of the support portion 51 along its width. The connecting portions 52 extend vertically upward from the edge of the support portion 51, and their free ends are fixedly connected to the second surface 42. The connecting portions 52 have a "U"-shaped structure and include a first connecting portion 521 and two second connecting portions 522 spaced apart from the first connecting portion 521. The first connecting portion 521 is perpendicularly disposed on one side edge along the length of the support portion 51, and the second connecting portions 522 extend from the first connecting portion 521 along a third direction D3-D3 towards the second surface 42. The recessed portion 421 has a groove 401, and the free ends of the second connecting portions 522 extend into the groove 401 and are fixedly connected to the recessed portion 421 by screws. The two blocking portions 53 extend vertically upward from both sides of the support portion 51 along its width. This configuration not only secures the battery 31 to the bottom of the mounting plate 4, but also provides heat dissipation, thus extending the battery 31's lifespan.

[0059] In other embodiments, a mounting groove is provided inside the side wall 13 of the housing 1 to facilitate the installation plate 4 to be pulled out or pushed into the housing 1 along the mounting groove, so as to avoid the installation plate 4 from being deformed due to the excessive weight of the components on it.

[0060] Please refer to Figures 14 to 16In the first embodiment, the electrical component 3 includes a battery 31 and a circuit board 32. The circuit board 32 is fixed to one end face of the mounting plate 4 by fasteners, and the battery 31 is mounted in the mounting bracket 5. Specifically, the circuit board 32 is fixedly connected to two protrusions 411 by fasteners, which avoids direct contact between the circuit board 32 and the first surface 41, improves the heat dissipation performance of the circuit board 32, and thus increases the service life of the circuit board 32. When the first cover 2 is pulled along the first direction D1-D1 relative to the housing 1, the first cover 2 can simultaneously pull the battery 31 and the circuit board 32 out of the receiving cavity 101 via the mounting plate 4. This arrangement can avoid the situation where the cable is dragged when removing the battery 31 and the circuit board 32, reducing the maintenance difficulty of the control box 100.

[0061] In the second embodiment, the electrical component 3 is a battery 31, the circuit board 32 is fixedly disposed on the inner wall of the housing 1, and the battery 31 is assembled in the mounting bracket 5. Thus, when the first cover 2 is pulled out relative to the housing 1 along the first direction D1-D1, the first cover 2 can drive the battery 31 out of the receiving cavity 101 through the mounting plate 4, reducing the maintenance difficulty of the control box 100.

[0062] In the third embodiment, the electrical component 3 is a circuit board 32, which is fixed to the top of the mounting plate 4 by fasteners. Thus, when the first cover 2 is pulled along the first direction D1-D1 to move relative to the housing 1, the first cover 2 can be pulled out of the receiving cavity 101 by the mounting plate 4, reducing the maintenance difficulty of the control box 100.

[0063] Please refer to Figures 5 to 8 The control box 100 also includes a second cover 6, and the receiving cavity 101 has a second opening 103. The second opening 103 is disposed opposite to the first opening 102. The second cover 6 covers the second opening 103. The other side of the mounting plate 4 is inserted and fixed to the inner wall of the second cover 6 to improve the stability of the mounting plate 4.

[0064] Specifically, the inner wall of the second cover 6 is provided with a first positioning block 61 and a second positioning block 62, and a positioning groove 601 is provided between the first positioning block 61 and the second positioning block 62, into which the mounting plate 4 is inserted. Specifically, the first positioning block 61 includes a first positioning portion 611 and two second positioning portions 612 vertically disposed at both ends of the first positioning portion 611. The second positioning block 62 includes a third positioning portion 621 and two fourth positioning portions 622 vertically disposed at both ends of the third positioning portion 621. The first positioning portion 611 and the third positioning portion 621 extend along a second direction D2-D2 and are spaced apart. The two second positioning portions 612 extend upward from the first positioning portion 611 along a third direction D3-D3, and the two fourth positioning portions 622 extend downward from the third positioning portion 621 along a third direction D3-D3. In the embodiments of this application, the first positioning block 61 and the second positioning block 62 have the same structure and are arranged in a mirror-symmetrical manner on the inner wall of the second cover 6. The inner wall of the second cover 6 is also provided with a first reinforcing rib 63 and a second reinforcing rib 64. The first reinforcing rib 63 and the second reinforcing rib 64 are symmetrically arranged on the left and right sides of the first positioning block 61 and the second positioning block 62 along the second direction D2-D2, respectively. The first reinforcing rib 63, the first positioning part 611, the second reinforcing rib 64, and the fourth positioning part 622 form a positioning groove 601. When one end of the mounting plate 4 is inserted into the positioning groove 601, the first positioning part 611 and the third positioning part 621 can clamp the mounting plate 4 in the third direction D3-D3, and the first surface 41 is in contact with the first positioning part 611, the second surface 42 is in contact with the fourth positioning part 622, and the two protrusions 411 are located on the left and right sides of the first positioning block 61 and the second positioning block 62, respectively. This ensures the stability of the mounting plate 4 and prevents the mounting plate 4 from shaking inside the housing 1.

[0065] Please refer to Figure 6 , Figure 10 as well as Figure 13 The inner wall of the first cover 2 is also provided with a first sealing groove 21, which is arranged around the edge of the inner wall of the first cover 2. The shape of the first sealing groove 21 matches the shape of the first opening 102, and a first sealing element is also provided inside the first sealing groove 21. When the first cover 2 covers the first opening 102, the first sealing element is elastically connected to the inner wall of the housing 1. In this way, the sealing performance between the first cover 2 and the housing 1 can be improved, thereby preventing moisture from entering the receiving cavity 101 and affecting the performance of the electrical components 3.

[0066] Please refer to Figure 7 , Figure 11 as well as Figure 12The inner wall of the second cover 6 is also provided with a second sealing groove 65, which is arranged around the edge of the inner wall of the second cover 6. The shape of the second sealing groove 65 matches the shape of the second opening 103, and a second sealing element is also provided inside the second sealing groove 65. When the second cover 6 covers the second opening 103, the second sealing element is elastically connected to the inner wall of the housing 1. In this way, the sealing performance between the second cover 6 and the housing 1 can be improved, thereby preventing moisture from entering the receiving cavity 101 and affecting the performance of the electrical components 3.

[0067] Please refer to Figure 5 , Figure 7 as well as Figure 13 The outer side of the first cover 2 is also provided with a handle 7 and a connector interface 8, which is electrically connected to the electrical components 3. The handle 7 makes it easy for maintenance personnel to grasp and pull the first cover 2. The connector interface 8 allows maintenance personnel to easily inspect the electrical components 3 inside the housing 1 before disassembly, improving maintenance efficiency.

[0068] Please refer to Figures 2 to 4The outer wall of the housing 1 is provided with a connecting groove 104, and the control box 100 is fixedly connected to the fixed beam 200 through the connecting assembly 300. In this embodiment, the fixed beam can be the main beam of the photovoltaic bracket or a synchronous shaft. The connecting assembly 300 includes a clamp 310, a bolt 320, and a nut 330. One end of the bolt 320 is engaged in the connecting groove 104, and the other end of the bolt 320 passes through one end of the clamp 310 and is connected to the nut 330. Specifically, two first connecting walls 14 are provided between the top wall 11 and the two side walls 13, and two second connecting parts 522 are provided between the bottom wall 12 and the two side walls 13. The top wall 11, the two first connecting walls 14, the two side walls 13, and the two second connecting parts 522 are sequentially connected to form a housing 1 with an octagonal cross-section. The first connecting wall 14 has a connecting groove 104, and the cross-section of the connecting groove 104 is T-shaped. The first connecting wall 14 is connected to the top wall 11 and the side wall 13 on opposite sides, respectively. The first connecting wall 14 includes a main body 141 and two snap-fit ​​parts 142 disposed on opposite sides of the main body 141. One snap-fit ​​part 142 is connected to the top wall 11, and the other snap-fit ​​part 142 is connected to the side wall 13. The main body 141 protrudes into the receiving cavity 101. The two snap-fit ​​parts 142 and the main body 141 form a connecting groove 104. There is a gap between the two snap-fit ​​parts 142, which communicates with the connecting groove 104. The extension direction of the gap is consistent with the length direction of the housing 1. The bolt 320 is a T-bolt 320, and at least a portion of the bolt 320 is located within the connecting groove 104. Bolt 320 includes a head 321 and a threaded part 322 vertically disposed in the middle of the head 321. In the embodiment of this application, the cross-section of the head 321 is trapezoidal. The head 321 includes a first wall 3211 and a second wall 3212 disposed opposite to the first wall 3211. The length of the second wall 3212 is longer than that of the first wall 3211. The threaded part is vertically disposed in the second wall 3212. When the head 321 of bolt 320 is engaged in the connecting groove 104, the second wall 3212 contacts the inner wall of the two engaging parts 142, so that the head 321 can be fixedly connected to the first connecting wall 14. The threaded part passes through the connecting groove 104 and extends through the gap to the outside of the housing 1 and is fixedly connected to the free end of the clamp 310 by a nut 330, thereby connecting the control box 100 and the fixed beam 200.

[0069] Please refer to Figures 2 to 4 as well as Figures 12 to 13The first connecting wall 14 has first connecting holes 105 at both ends of its length, and the second connecting wall 15 has second connecting holes 106 at both ends of its length. The first cover 2 has four third connecting holes 201, the positions of which correspond to the two first connecting holes 105 and the two second connecting holes 106 in the first direction D1-D1. One fastener passes through the third connecting hole 201 and is fixedly connected to the first connecting hole 105, and another fastener passes through the third connecting hole 201 and is fixedly connected to the second connecting hole 106, thus fixing the first cover 2 to the housing 1. The second cover 6 has four fourth connecting holes 602, the positions of which correspond to the two first connecting holes 105 and the two second connecting holes 106 in the first direction D1-D1. One fastener passes through the fourth connecting hole 602 and is fixedly connected to the first connecting hole 105, and another fastener passes through the fourth connecting hole 602 and is fixedly connected to the second connecting hole 106, thus fixing the second cover 6 to the housing 1.

[0070] In summary, this utility model discloses a control box 100, which includes a box body 1, a first cover 2, and an electrical component 3. The box body 1 has a receiving cavity 101 with a first opening 102. The first cover 2 covers the first opening 102 and can be pulled and moved relative to the box body 1. The electrical component 3 is disposed in the receiving cavity 101 and is fixedly connected to the inner wall of the first cover 2. By pulling the first cover 2 to move it relative to the box body 1, the first cover 2 can simultaneously move the electrical component 3 out of the receiving cavity 101. This design facilitates quick replacement of the electrical component 3 within the control box 100, thereby reducing maintenance costs.

[0071] It should be understood that the terms "first," "second," and similar words used in the specification and claims of this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish the features. Similarly, the terms "an" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one. Unless otherwise stated, the terms "before," "after," "upper," "lower," and similar words appearing in this utility model are for ease of explanation only and are not limited to a specific location or spatial orientation. The terms "comprising" or "including" are an open-ended expression, meaning that the element preceding "comprising" or "including" covers the element following "comprising" or "including" and its equivalents, which does not exclude that the element preceding "comprising" or "including" may also include other elements. In this utility model, the word "several" means two or more.

[0072] The above embodiments are only for illustration and not for limiting the technical solutions described in this utility model. The understanding of this specification should be based on those skilled in the art. For example, the directional descriptions such as "front", "back", "left", "right", "up", and "down" are important. Although this specification has described the present invention in detail with reference to the above embodiments, those skilled in the art should understand that they can still make modifications or equivalent substitutions to this utility model. All technical solutions and improvements that do not depart from the spirit and scope of this utility model should be covered within the scope of the claims of this utility model.

Claims

1. A control box characterized by, include: The box (1) has a receiving cavity (101), and the receiving cavity (101) has a first opening (102) on one side of the box (1) along the length direction; A first cover (2) covers the first opening (102) and can be pulled out and moved relative to the box (1); An electrical component (3) is disposed in the receiving cavity (101), and the electrical component (3) is fixedly connected to the inner wall of the first cover (2); When the first cover (2) is pulled out so that the first cover (2) moves away from the box (1), the first cover (2) can simultaneously drive the electrical component (3) to be pulled out from the receiving cavity (101).

2. The control box of claim 1, wherein: The control box also includes a mounting plate (4), one end of which is vertically fixed to the first cover (2) and extends toward the interior of the receiving cavity (101), and the electrical component (3) is mounted on the mounting plate (4).

3. The control box of claim 2, wherein: The electrical component (3) includes a battery (31) and / or a circuit board (32).

4. The control box of claim 3, wherein: The circuit board (32) is fixed to one end face of the mounting plate (4) by fasteners, and / or, the other end face of the mounting plate (4) is provided with a mounting bracket (5), and the battery (31) is assembled in the mounting bracket (5).

5. The control box of claim 2, wherein: The control box also includes a second cover (6), the receiving cavity (101) has a second opening (103), the second opening (103) is disposed opposite to the first opening (102), the second cover (6) covers the second opening (103), and the other side of the mounting plate (4) is inserted and fixed to the inner wall of the second cover (6).

6. The control box of claim 5, wherein: The inner wall of the second cover (6) is provided with a first positioning block (61) and a second positioning block (62), and there is a positioning groove (601) between the first positioning block (61) and the second positioning block (62), and the mounting plate (4) is inserted into the positioning groove (601).

7. The control box of claim 1, wherein: The outer side of the first cover (2) is also provided with a handle (7) and a plug interface (8), which is electrically connected to the electrical component (3).

8. The control box of claim 1, wherein: The outer wall of the box (1) is provided with a connecting groove (104). The control box is fixedly connected to the fixed beam by a connecting assembly (300). The connecting assembly (300) includes a clamp (310), a bolt (320) and a nut (330). One end of the bolt (320) is engaged in the connecting groove (104), and the other end of the bolt (320) passes through the clamp (310) and is connected to the nut (330).

9. The control box of claim 8, wherein: The cross-section of the connecting groove (104) is T-shaped, and the bolt (320) is a T-bolt. The bolt (320) is installed in conjunction with the connecting groove (104).

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