Modular, scalable power distribution enclosure

Abstract

The application relates to the technical field of distribution boxes, and discloses a modular and expandable distribution box body which comprises a base and electrical components, the top of the base is fixedly connected with a vertical box, the inside of the vertical box is fixedly connected with a ventilation pipe, the inside of the ventilation pipe is provided with a ventilation cooling mechanism, and the ventilation cooling mechanism is used for ventilating, cooling and cooling the inside of the distribution box; the inside of the vertical box is fixedly connected with a partition plate, and the periphery of the partition plate is fixedly connected with an adjusting mechanism. The ventilation angle is automatically adjusted through a motor-driven rotating shaft, a connecting plate and an L-shaped plate driving a deflector plate, a rainwater circulating cooling system is formed by matching a box cover filter screen, a collecting pipe, a water tank, a water pump and a cooling pipe, the inside of the distribution box is precisely radiated and strongly ventilated, the problems of local overheating of the distribution box, poor dustproof and rainproof effect and low utilization rate of cooling resources are solved, the radiating efficiency, operation safety and environmental adaptability of the distribution box are improved, and the service life of the electrical components is prolonged.

Description

Technical Field

[0001] This invention relates to the field of distribution box technology, specifically to a modular and expandable distribution box. Background Technology

[0002] With the rapid development of industrial power distribution, new energy access, and smart buildings, electricity loads are continuously increasing and scenarios are becoming increasingly segmented. Traditional fixed distribution boxes are struggling to meet the demands of multi-scenario expansion, flexible assembly, and long-term stable operation. To meet the comprehensive requirements of efficient heat dissipation, dust and rain protection, flexible expansion, and convenient maintenance in outdoor and industrial environments, there is an urgent need for a modular, functionally expandable distribution box with optimized heat dissipation and protection. This will improve the reliability, environmental adaptability, and service life of the power distribution system, leading to the development of a modular, expandable distribution box.

[0003] Existing distribution boxes mostly use fixed shells and non-adjustable internal supports. For heat dissipation, they mostly rely on fixed ventilation holes on the top and bottom of the box, relying on natural convection or simple fans to assist in ventilation. For protection, they mostly use fixed filters and simple sealing structures to passively block dust and rainwater. Some products improve the working conditions by adding heat dissipation fins or external rainproof canopies. Overall, the main technical principles are passive heat dissipation, fixed layout, and simple protection.

[0004] However, existing distribution boxes generally suffer from problems such as difficulty in balancing ventilation and heat dissipation with dust and rain protection, low utilization of cooling resources, and localized overheating. Fixed ventilation structures cannot automatically adjust air volume and angle according to operating conditions, resulting in insufficient heat dissipation at high temperatures and water and dust ingress during rain and snow. Long-term operation leads to internal heat accumulation and dust buildup, which reduces the lifespan of electrical components and poses safety hazards such as short circuits and overheating burnout. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a modular and expandable power distribution box, which solves the problems of poor heat dissipation and dust and rain protection, non-adjustable internal component installation positions, unstable pull-out structure, and insufficient modular expansion capability of traditional power distribution boxes.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a modular, expandable distribution box, comprising a base and electrical components. A vertical box is fixedly connected to the top of the base, and a ventilation duct is fixedly connected inside the vertical box. A ventilation and cooling mechanism is installed inside the ventilation duct to ventilate, cool, and reduce the temperature inside the distribution box. A partition is fixedly connected inside the vertical box, and an adjustment mechanism is fixedly connected to the outer periphery of the partition. The adjustment mechanism is used for vertical adjustment according to the electrical component modules. An expansion mechanism is slidably connected inside the vertical box to expand and contract the space of the vertical box.

[0007] Preferably, the ventilation and cooling mechanism includes a dustproof shell, which is fixedly connected to the outside of the ventilation duct. A motor is fixedly connected inside the dustproof shell, and a rotating shaft is fixedly connected to the output end of the motor. A first connecting plate is rotatably connected to the outside of the rotating shaft, and a second connecting plate is rotatably connected to the outside of the first connecting plate. A first fixing rod is fixedly connected to the outside of the second connecting plate. A second fixing rod is fixedly connected to the inside of the ventilation duct, and an L-shaped plate is rotatably connected to the outside of the second fixing rod. A deflection plate is fixedly connected to the outside of the L-shaped plate. A box cover is fixedly connected to the top of the box, and a filter screen is fixedly connected to the top of the box cover. A collection pipe is fixedly connected inside the box cover. A water tank is fixedly connected to the outside of the box, and a water pump is fixedly connected to the top of the water tank. A delivery pipe is fixedly connected to the output end of the water pump, and a cooling pipe is fixedly connected inside the box.

[0008] Preferably, the adjustment mechanism includes a bracket, which is fixedly connected to the outside of the partition. A sliding plate is slidably connected to the outside of the bracket. A cavity is formed inside the sliding plate. A sliding rod is slidably connected inside the sliding plate. A locking block is provided inside the sliding plate. The locking block has a sliding groove. A sliding rod is fixedly connected to the top of the locking block. A first spring is sleeved on the outside of the sliding rod. One end of the first spring is fixedly connected to the inside of the sliding plate. The other end of the first spring is fixedly connected to the outer periphery of the sliding rod. A toothed ridge is fixedly connected to the inside of the bracket.

[0009] Preferably, the expansion mechanism includes a fixed shaft, which is fixedly connected to the inner side of the upright box. A gear is rotatably connected to the outer side of the fixed shaft. Two drawer cabinets are slidably connected inside the upright box. A rack is fixedly connected to the bottom of the two drawer cabinets. The gear meshes with the rack. A second spring is provided inside the upright box. Multiple limiting blocks are provided inside the upright box. One end of the second spring is fixedly connected to the inside of the upright box. The other end of the second spring is fixedly connected to the outer periphery of the multiple limiting blocks. Multiple grooves are provided on the top of the drawer cabinets.

[0010] Preferably, the first fixing rod is rotatably connected inside the L-shaped plate, and the conveying pipe and the cooling pipe are connected in communication.

[0011] Preferably, the slide rod is slidably connected inside the slide groove, and the locking block is slidably connected inside the cavity.

[0012] Preferably, the limiting block is slidably connected inside the plurality of grooves, and handles are fixedly connected to the outside of the two drawer cabinets.

[0013] Preferably, the electrical component is fixedly connected to the outside of the sliding plate, and the sliding rod is in contact with the toothed edge.

[0014] Preferably, the deflector plate is rotatably connected inside the ventilation pipe, and the collection pipe is connected to the water tank.

[0015] Preferably, guide blocks are fixedly connected to the top of the two pull-out cabinets, and the guide blocks are slidably connected inside the upright box.

[0016] This invention provides a modular, expandable power distribution box. It offers the following advantages: 1. This invention achieves automatic adjustment of ventilation angle by driving a rotating shaft, connecting plate, and L-shaped plate with a deflection plate via a motor. Combined with a filter screen on the box cover, collection pipe, water tank, water pump, and cooling pipe, it forms a rainwater circulation cooling system. This system provides precise heat dissipation and enhanced ventilation for the electrical components inside the distribution box, improving the problems of localized overheating, poor dust and rain protection, and low utilization of cooling resources. It also improves the heat dissipation efficiency, operational safety, and environmental adaptability of the distribution box, and extends the service life of electrical components.

[0017] 2. This invention, by pressing the sliding rod inside the sliding plate, pushes the locking block to slide along the sliding groove and compresses the first spring, causing the sliding rod to disengage from the bracket teeth to release the lock, thus realizing the vertical adjustment of the electrical components; after releasing the sliding rod, the spring returns to its original position to complete the locking; at the same time, the modular structure design improves the problems of non-adjustable electrical component positions, poor assembly flexibility, and insufficient modular adaptability, and improves the assembly convenience, space utilization, and modular expandability of the distribution box, facilitating later maintenance and component adjustment.

[0018] 3. This invention, by pulling the handle of the pull-out cabinet, drives the guide block to slide, and the rack and pinion linkage gear makes the pull-out cabinet slide out synchronously. During the sliding, the limit block squeezes and compresses the second spring. After sliding to the bottom, the limit block is locked into the groove. This invention improves the problems of unstable sliding of the pull-out cabinet, falling off, inconvenient installation and maintenance of electrical components, and poor modular expansion and adaptation. It improves the stability of the pull-out cabinet operation, the convenience of installation and maintenance of electrical components, and the modular expansion capability of the distribution box. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present invention; Figure 2 This is a schematic diagram of the ventilation and cooling mechanism of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the water tank structure of the present invention; Figure 5 This is a schematic diagram of the structure of the collection tube of the present invention; Figure 6 This is a schematic diagram of the partition structure of the present invention; Figure 7 This is a schematic diagram of the adjustment mechanism of the present invention; Figure 8 For the present invention Figure 7 Enlarged view of point B in the middle; Figure 9 This is a schematic diagram of the drawer cabinet of the present invention; Figure 10 This is a schematic diagram of the expansion mechanism of the present invention; Figure 11 For the present invention Figure 10 Enlarged view of point C in the middle.

[0020] The components include: 1. Base; 2. Vertical box; 3. Ventilation duct; 4. Ventilation and cooling mechanism; 41. Dustproof shell; 42. Motor; 43. Rotating shaft; 44. First connecting plate; 45. Second connecting plate; 46. L-shaped plate; 47. First fixing rod; 48. Second fixing rod; 49. Deflection plate; 410. Filter screen; 411. Collection pipe; 412. Water tank; 413. Water pump; 414. Conveying pipe; 415. Cooling pipe; 5. Partition plate. 6. Adjustment mechanism; 61. Bracket; 62. Sliding plate; 63. Cavity; 64. Slide rod; 65. Locking block; 66. Slide groove; 67. First spring; 68. Toothed edge; 69. Sliding rod; 7. Electrical components; 8. Expansion mechanism; 81. Drawer cabinet; 82. Fixed shaft; 83. Gear; 84. Rack; 85. Guide block; 86. Second spring; 87. Limiting block; 88. Groove; 89. Handle; 9. Box cover. Detailed Implementation

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see the appendix Figure 1 - Appendix Figure 11This invention provides a modular, expandable power distribution box, including a base 1 and electrical components 7. A vertical box 2 is fixedly connected to the top of the base 1, and a ventilation pipe 3 is fixedly connected inside the vertical box 2. A ventilation and cooling mechanism 4 is installed inside the ventilation pipe 3 to ventilate and cool the inside of the power distribution box, thereby reducing the heat generated by the electrical components 7 during operation, preventing accelerated aging or short-circuit faults caused by high temperatures, and ensuring long-term stable operation of the power distribution box. A partition 5 is fixedly connected inside the vertical box 2, and an adjustment mechanism 6 is fixedly connected to the outer periphery of the partition 5. The adjustment mechanism 6 is used to adjust the height of the electrical components 7 according to the modules, thereby adapting to the installation of electrical components 7 of different heights and specifications, improving the utilization rate of internal space and assembly flexibility. An expansion mechanism 8 is slidably connected inside the vertical box 2, which is used to expand and retract the space of the vertical box 2, thereby increasing the installation capacity without replacing the box, meeting future expansion needs, and reducing the cost of use and modification.

[0023] Please see the appendix Figure 2 - Appendix Figure 5 In a preferred embodiment of the present invention, the ventilation and cooling mechanism 4 includes a dustproof shell 41, which is fixedly connected to the outside of the ventilation pipe 3. The dustproof shell 41 is used to prevent external dust and impurities from entering the motor 42. The motor 42 is fixedly connected inside the dustproof shell 41. A rotating shaft 43 is fixedly connected to the output end of the motor 42. A first connecting plate 44 is rotatably connected to the outside of the rotating shaft 43. A second connecting plate 45 is rotatably connected to the outside of the first connecting plate 44. A first fixing rod 47 is fixedly connected to the outside of the second connecting plate 45. A second fixing rod 48 is fixedly connected to the inside of the ventilation pipe 3. An L-shaped plate 46 is rotatably connected to the outside of the second fixing rod 48. A deflection plate 49 is fixedly connected to the outside of the L-shaped plate 46. The motor 42 rotates in coordination with the motor. Shaft 43, first connecting plate 44, second connecting plate 45, and L-shaped plate 46 move in a linkage manner, thereby driving deflection plate 49 to rotate inside ventilation pipe 3, achieving the effect of adjusting air direction and air volume and realizing directional heat dissipation; a box cover 9 is fixedly connected to the top of box 2, and a filter screen 410 is fixedly connected to the top of box cover 9. The filter screen 410 is used to filter dust and debris in the air, thereby keeping the inside of the distribution box clean and reducing the probability of electrical component 7 failure; a collection pipe 411 is fixedly connected inside box cover 9, a water tank 412 is fixedly connected to the outside of box 2, a water pump 413 is fixedly connected to the top of water tank 412, a delivery pipe 414 is fixedly connected to the output end of water pump 413, and a cooling pipe 415 is fixedly connected inside box 2.

[0024] The first fixed rod 47 is rotatably connected inside the L-shaped plate 46. The conveying pipe 414 and the cooling pipe 415 are connected. The deflection plate 49 is rotatably connected inside the ventilation pipe 3. The collection pipe 411 and the water tank 412 are connected. The water tank 412, together with the water pump 413, the conveying pipe 414, and the cooling pipe 415, forms a circulating water cooling circuit, thereby cooperating with the ventilation cooling mechanism 4 to achieve dual heat dissipation of air cooling and water cooling, which greatly improves the cooling efficiency and adapts to high load conditions.

[0025] Please see the appendix Figure 6 - Appendix Figure 8 In a preferred embodiment of the present invention, the adjusting mechanism 6 includes a bracket 61, which is fixedly connected to the outside of the partition 5. A sliding plate 62 is slidably connected to the outside of the bracket 61. A cavity 63 is opened inside the sliding plate 62, and a sliding rod 64 is slidably connected inside the sliding plate 62. The sliding rod 64 is used to drive the locking block 65 to move. By sliding the sliding rod 64, the contact state between the locking block 65 and the toothed edge 68 can be controlled, realizing the unlocking and locking of the sliding plate 62, which facilitates the adjustment and fixing of the position of the sliding plate 62. A locking block 65 is provided inside the sliding plate 62. The locking block 65 is used to lock the sliding plate 62 in conjunction with the toothed edge 68. When the locking block 65 contacts and engages with the toothed edge 68, the position of the sliding plate 62 can be fixed to prevent the sliding plate 62 from sliding down under the gravity of the electrical component 7, ensuring the stable installation of the electrical component 7. When unlocked, the sliding plate 62 can slide freely up and down to adjust its position. The locking block 65 has a cavity 63. A sliding rod 69 is fixedly connected to the top of the locking block 65 in the sliding groove 66. The sliding rod 69 connects the locking block 65 and the first spring 67, transmitting the elastic force of the first spring 67. This allows the locking block 65 to maintain a locked state under the elastic force of the first spring 67 when no external force is applied, ensuring that the sliding plate 62 is fixed in position. The first spring 67 is sleeved on the outside of the sliding rod 69. One end of the first spring 67 is fixedly connected to the inside of the sliding plate 62, and the other end is fixedly connected to the outer periphery of the sliding rod 69. A toothed ridge 68 is fixedly connected to the inner side of the bracket 61. The toothed ridge 68 is used to lock the sliding plate 62 in conjunction with the locking block 65. The toothed structure of the toothed ridge 68 can tightly engage with the locking block 65, increasing the contact friction and preventing the sliding plate 62 from sliding. At the same time, the toothed ridge 68 is set along the length of the bracket 61, allowing the sliding plate 62 to be locked in multiple positions to meet the adjustment requirements of different heights. The slide rod 64 is slidably connected inside the slide groove 66, allowing it to slide smoothly along the guide direction of the slide groove 66. This prevents the slide rod 64 from getting stuck or shifting during movement, ensuring that the slide rod 64 can accurately drive the locking block 65 to move, achieving stable unlocking and locking functions. The locking block 65 is slidably connected inside the cavity 63, and the electrical component 7 is fixedly connected to the outside of the sliding plate 62. The slide rod 69 contacts the toothed edge 68, allowing the locking block 65 to be tightly engaged with the toothed edge 68 under the elastic force of the first spring 67, thereby locking the sliding plate 62 and preventing it from sliding on its own, ensuring the stability of the electrical component 7's installation position.

[0026] Please see the appendix Figure 9 - Appendix Figure 11In a preferred embodiment of the present invention, the expansion mechanism 8 includes a fixed shaft 82, which is fixedly connected to the inner side of the upright box 2. A gear 83 is rotatably connected to the outer side of the fixed shaft 82. The gear 83 is used to cooperate with the rack 84 for transmission, converting the sliding motion of one drawer 81 into the reverse sliding motion of the other drawer 81, realizing the synchronous extension and retraction of the two drawers 81, ensuring the smooth operation of the expansion mechanism 8, and transmitting power to make the sliding of the drawers 81 more effortless. Two drawers 81 are slidably connected inside the upright box 2. To expand the internal space of the vertical box 2, when an electrical component 7 module needs to be added, the pull-out cabinet 81 can be pulled out, and the internal space of the pull-out cabinet 81 can be used to install the electrical component 7, increasing the installation capacity without replacing the entire distribution box, reducing equipment upgrade costs. At the same time, the pull-out design facilitates the installation and maintenance of the electrical component 7. The bottom of the two pull-out cabinets 81 is fixedly connected to a rack 84, and a gear 83 meshes with the rack 84. The meshing of the gear 83 and the rack 84 allows the rotational motion of the gear 83 to be converted into the linear motion of the rack 84, thereby driving the pull-out cabinet 81 to slide. The synchronous extension and retraction of the two pull-out cabinets 81 ensures that the expansion mechanism 8 can smoothly and stably complete the space expansion and retraction actions. A second spring 86 is installed inside the upright box 2. The second spring 86 provides elastic force to the limiting block 87, pushing the limiting block 87 into the groove 88 on the top of the pull-out cabinet 81, thus locking the position of the pull-out cabinet 81 and preventing it from sliding during use, ensuring the stability of the pull-out cabinet 81. Simultaneously, when the pull-out cabinet 81 is pulled, external force can compress the second spring 86, causing the limiting block 87 to disengage from the groove 88, thus releasing the lock. Lock; The upright box 2 is equipped with multiple limiting blocks 87 inside, which are used to cooperate with the grooves 88 to limit and lock the pull-out cabinet 81; one end of the second spring 86 is fixedly connected to the inside of the upright box 2, and the other end of the second spring 86 is fixedly connected to the outer periphery of the multiple limiting blocks 87. The top of the pull-out cabinet 81 is provided with multiple grooves 88, and the limiting blocks 87 are slidably connected inside the multiple grooves 88, so that the limiting blocks 87 can be inserted into the grooves 88 under the elastic force of the second spring 86, thereby locking the pull-out cabinet 81; Handles 89 are fixedly connected to the outside of the two pull-out cabinets 81, and guide blocks 85 are fixedly connected to the top of the two pull-out cabinets 81. The guide blocks 85 are slidably connected inside the upright box 2, so that the guide blocks 85 can drive the pull-out cabinets 81 to slide smoothly along the guide structure inside the upright box 2, further improving the stability and smoothness of the extension and retraction movement of the pull-out cabinets 81, preventing the pull-out cabinets 81 from tilting or jamming during movement, and ensuring the normal use of the expansion mechanism 8.

[0027] Working principle: When using this equipment, first place the upright box 2 supported by the base 1 in the designated outdoor location. Then, according to the space and modular design of the electrical components 7, move the adjustment mechanism 6 on the partition 5 to the appropriate position and fix the electrical components 7 on the outside of the sliding plate 62. At the same time, the expansion mechanism 8 inside the upright box 2 can be activated to expand the internal space of the upright box 2, making it easier to place electrical components 7 of the same module. When ventilating the inside of the upright box 2, the ventilation and cooling mechanism 4 is activated to adjust the air inlet angle inside the ventilation pipe 3 according to the detected wind speed. At the same time, when it rains, the internal electrical components 7 are further cooled by water circulation. When the position of electrical component 7 is adjusted, the slide rod 64 inside the sliding plate 62 is pressed. The slide rod 64 inside the cavity 63 pushes and slides inside the groove 66 on the locking block 65, causing the locking block 65 to move to the right. This causes the slide rod 69 to move synchronously, and the first spring 67 is compressed. At this time, the slide rod 69 slides out of the toothed edge 68 fixed on the bracket 61, releasing the lock. Then it moves up and down. When it moves to the appropriate position, the slide rod 64 is released, the first spring 67 releases its elastic potential energy, and then causes the slide rod 69 to slide back into the toothed edge 68, completing the locking. When the electrical components 7 inside the extended pull-out cabinet 81 are installed or repaired, pulling the handle 89 on the pull-out cabinet 81 causes the guide block 85 on the pull-out cabinet 81 to slide downwards and outwards. At the same time, the rack 84 at the bottom of the pull-out cabinet 81 moves synchronously, thereby driving the gear 83 on the outside of the fixed shaft 82 to rotate, causing the other side to slide out synchronously. When sliding, the limiting block 87 slides into the vertical box 2 under the action of compression. At this time, the second spring 86 is compressed. When sliding to the bottom, the limiting block 87 slides into the groove 88, thereby completing the locking and preventing the pull-out cabinet 81 from sliding out of the vertical box 2, making it more stable. When ventilation is applied to the electrical components 7 inside the upright box 2, the motor 42 inside the dustproof shell 41 is activated according to the wind speed, driving the rotating shaft 43 to rotate. This causes the first connecting plate 44 and the second connecting plate 45 to deflect, causing the L-shaped plate 46 connected by the first fixed rod 47 to move synchronously. At the same time, the L-shaped plate 46 rotates on the second fixed rod 48. Since the deflection plate 49 is fixed on the deflection plate 49, the deflection plate 49 is also deflected, adjusting the ventilation angle. When it rains, rainwater passes through the filter screen 410 on the box cover 9 to prevent impurities from entering, and then enters the water tank 412 through the collection pipe 411. Subsequently, the water pump 413 is activated, driving the rainwater to be transported through the delivery pipe 414 to the cooling pipes 415 inside the upright box 2, precisely cooling the electrical components 7. The heated rainwater flows back into the water tank 412 for recycling. At this time, ventilation is further enhanced in hot areas. The two work together to prevent local overheating of the base 1.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modular, expandable distribution box, comprising a base (1) and electrical components (7), characterized in that, The base (1) is fixedly connected to the top of the upright box (2), and the upright box (2) is fixedly connected to the inside of the ventilation pipe (3). The ventilation pipe (3) is provided with a ventilation and cooling mechanism (4), which is used to ventilate and cool the inside of the distribution box. The upright box (2) is fixedly connected to the inside of the partition (5), and the partition (5) is fixedly connected to the outer periphery of the adjustment mechanism (6). The adjustment mechanism (6) is used to adjust up and down according to the electrical components (7) module. The upright box (2) is slidably connected to the inside of the expansion mechanism (8), which is used to expand and retract the space of the upright box (2).

2. The modular, expandable distribution box according to claim 1, characterized in that, The ventilation and cooling mechanism (4) includes a dust cover (41), which is fixedly connected to the outside of the ventilation pipe (3). A motor (42) is fixedly connected inside the dust cover (41). A rotating shaft (43) is fixedly connected to the output end of the motor (42). A first connecting plate (44) is rotatably connected to the outside of the rotating shaft (43). A second connecting plate (45) is rotatably connected to the outside of the first connecting plate (44). A first fixing rod (47) is fixedly connected to the outside of the second connecting plate (45). A second fixing rod (48) is fixedly connected to the inside of the ventilation pipe (3). 48) An L-shaped plate (46) is rotatably connected to the outside. A deflection plate (49) is fixedly connected to the outside of the L-shaped plate (46). A box cover (9) is fixedly connected to the top of the box (2). A filter screen (410) is fixedly connected to the top of the box cover (9). A collection pipe (411) is fixedly connected inside the box cover (9). A water tank (412) is fixedly connected to the outside of the box (2). A water pump (413) is fixedly connected to the top of the water tank (412). A delivery pipe (414) is fixedly connected to the output end of the water pump (413). A cooling pipe (415) is fixedly connected inside the box (2).

3. The modular, expandable distribution box according to claim 1, characterized in that, The adjustment mechanism (6) includes a bracket (61), which is fixedly connected to the outside of the partition (5). A sliding plate (62) is slidably connected to the outside of the bracket (61). A cavity (63) is opened inside the sliding plate (62). A sliding rod (64) is slidably connected inside the sliding plate (62). A locking block (65) is provided inside the sliding plate (62). A sliding groove (66) is opened in the locking block (65). A sliding rod (69) is fixedly connected to the top of the locking block (65). A first spring (67) is sleeved on the outside of the sliding rod (69). One end of the first spring (67) is fixedly connected to the inside of the sliding plate (62), and the other end of the first spring (67) is fixedly connected to the outer periphery of the sliding rod (69). A toothed ridge (68) is fixedly connected to the inside of the bracket (61).

4. The modular, expandable distribution box according to claim 1, characterized in that, The expansion mechanism (8) includes a fixed shaft (82), which is fixedly connected to the inside of the upright box (2). A gear (83) is rotatably connected to the outside of the fixed shaft (82). Two drawer cabinets (81) are slidably connected inside the upright box (2). A rack (84) is fixedly connected to the bottom of the two drawer cabinets (81). The gear (83) meshes with the rack (84). A second spring (86) is provided inside the upright box (2). Multiple limiting blocks (87) are provided inside the upright box (2). One end of the second spring (86) is fixedly connected to the inside of the upright box (2). The other end of the second spring (86) is fixedly connected to the outer periphery of the multiple limiting blocks (87). Multiple grooves (88) are provided on the top of the drawer cabinets (81).

5. A modular, expandable distribution box according to claim 2, characterized in that, The first fixing rod (47) is rotatably connected inside the L-shaped plate (46), and the conveying pipe (414) and the cooling pipe (415) are connected.

6. A modular, expandable distribution box according to claim 3, characterized in that, The slide bar (64) is slidably connected inside the slide groove (66), and the locking block (65) is slidably connected inside the cavity (63).

7. A modular, expandable distribution box according to claim 4, characterized in that, The limiting block (87) is slidably connected inside the multiple grooves (88), and the two pull-out cabinets (81) are fixedly connected to the outside of the handles (89).

8. A modular, expandable distribution box according to claim 3, characterized in that, The electrical component (7) is fixedly connected to the outside of the sliding plate (62), and the sliding rod (69) is in contact with the toothed edge (68).

9. A modular, expandable distribution box according to claim 2, characterized in that, The deflector plate (49) is rotatably connected inside the ventilation pipe (3), and the collection pipe (411) is connected to the water tank (412).

10. A modular, expandable distribution box according to claim 4, characterized in that, The tops of the two pull-out cabinets (81) are fixedly connected to guide blocks (85), which are slidably connected inside the upright box (2).

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