Direct current lighting power distribution cabinet

Abstract

The invention belongs to the technical field of power distribution cabinets, and particularly relates to a direct current lighting power distribution cabinet which comprises a main body assembly, the main body assembly comprises a cabinet body assembly, and a heat dissipation assembly is arranged at the top of the cabinet body assembly; the storage assembly comprises a regulation and control assembly arranged in an inner cavity of the cabinet body assembly, an anti-static assembly is arranged in an inner cavity of the regulation and control assembly, and an additional assembly is arranged on the anti-static assembly; and the gravity center adjusting assembly is arranged below the cabinet body assembly. Internal elements can be conveniently maintained and installed, efficient heat dissipation is achieved, applicability and operation portability are improved, different numbers of equipment can be additionally installed according to needs, the positions of the equipment can be adjusted according to needs, static electricity in the cabinet can be processed, and after accessories in the cabinet are additionally installed, the equipment can be conveniently and rapidly installed. The gravity center of the cabinet body is adjusted according to the distribution of gravity, thereby preventing the vibration intensity in the cabinet from being increased due to gravity center shift, and preventing normal use from being affected.

Description

Technical Field

[0001] The invention belongs to the technical field of power distribution cabinets, and in particular relates to a DC lighting power distribution cabinet. Background Art

[0002] In modern power systems, DC lighting distribution cabinets are key equipment and are widely used in various industrial, commercial and civil places to provide stable and reliable DC power for lighting systems. With the continuous advancement of lighting technology and the growing demand for intelligence, the types and number of electrical components integrated in distribution cabinets have increased significantly, including but not limited to rectifiers, controllers, protectors, sensors and communication modules. However, this development trend has also brought many challenges, especially in the design, installation, operation and maintenance of distribution cabinets.

[0003] First, the electrical components in traditional DC lighting distribution cabinets are mostly fixed and installed, and once installed, their positions are difficult to adjust. This design not only limits the flexibility of the distribution cabinet, but may also require the entire distribution cabinet to be replaced during subsequent expansion or upgrades, increasing costs and time consumption.

[0004] Secondly, as the density of electrical components increases, the problems of heat accumulation and static electricity generation inside the distribution cabinet are becoming increasingly prominent. If ventilation, heat dissipation and anti-static treatment are not effectively carried out, the performance and life of the electrical components will be seriously affected.

[0005] Furthermore, after installing multiple sets of electrical components of different weights in the distribution cabinet, the fixed position and uneven distribution of the components can easily cause the overall center of gravity of the distribution cabinet to shift. This not only affects the stability of the distribution cabinet, but may also cause additional pressure on the installation foundation, increasing safety hazards. Summary of the invention

[0006] The purpose of the present invention is to provide a DC lighting distribution cabinet, which can facilitate the maintenance and installation of internal components, as well as efficient heat dissipation, improve applicability and portability of operation, and can also install different numbers of equipment as needed, and can adjust the position of the equipment as needed. At the same time, it can also handle the static electricity in the cabinet to avoid damage to components. After the accessories in the cabinet are installed, the center of gravity of the cabinet can be adjusted according to the distribution of gravity to prevent the center of gravity from shifting, causing the vibration intensity in the cabinet to increase, affecting normal use.

[0007] The technical solution adopted by the present invention is as follows: A DC lighting distribution cabinet comprises a main body component, wherein the main body component comprises a cabinet body component, and a heat dissipation component is arranged on the top of the cabinet body component; A storage component, the storage component includes a regulating component arranged in the inner cavity of the cabinet component, the inner cavity of the regulating component is provided with an anti-static component, and the anti-static component is provided with an additional component; A center of gravity adjustment component, wherein the center of gravity adjustment component is arranged below the cabinet component; Wherein, after the electrical component is installed on the anti-static component through the additional component, the regulating component moves along the inner cavity of the cabinet component to adjust the position of the electrical component, and after the adjustment, the center of gravity of the entire device is adjusted through the center of gravity adjustment component; The heat dissipation component is used to ventilate and dissipate heat inside the cabinet component.

[0008] In a preferred embodiment, the cabinet assembly includes a body, a cabinet door is rotatably connected to the front of the body, an additional wire groove is opened on the rear side of the body, a cover plate is threadedly connected to the rear side of the body at the position of the additional wire groove, and a maintenance door is rotatably connected to the rear side of the body.

[0009] In a preferred embodiment, the heat dissipation component includes a cabinet top fixedly connected to the top of the body, a filter is fixedly connected to the bottom of the cabinet top, a motor is fixedly connected to the top of the body, a fan blade is fixedly connected to the output shaft of the motor, and ventilation holes are provided on both sides of the left and right sides of the bottom of the body.

[0010] In a preferred embodiment, the regulating component includes a limit rod fixedly connected to the front and rear sides of the inner cavity of the machine body, the top of the limit rod is movably inserted with a positioning frame, the positioning frame is slidably connected to the top of the inner cavity of the machine body, the top of the positioning frame is fixedly connected with a first spring, the top of the first spring is fixedly connected to the top of the inner cavity of the machine body, the outer ring of the limit rod is slidably connected to the landing gear, the upper and lower sides of the landing gear are slidably connected with the positioning rod, the left and right sides of the inner cavity of the machine body are provided with positioning grooves, the positioning rod is movably inserted in the positioning groove, and the end of the positioning rod extending into the positioning groove is fixedly connected to a magnetic suction plate.

[0011] In a preferred embodiment, the anti-static component includes an assembly frame slidably connected to the inner cavity of the landing gear, the tops of the left and right ends of the assembly frame are threadedly connected with fastening bolts, the top of the fastening bolts is slidably connected to the top of the landing gear, the top of the inner cavity of the landing gear is fixedly connected with a conductive strip, the inner ring of the landing gear is fixedly connected with a conductive block, the conductive strip and the conductive block are electrically connected, a conductive groove is provided on the front side of the limit rod located at the rear right side of the body, the top of the conductive block is slidably connected in the conductive groove, the bottom of the limit rod is electrically connected to a ground wire, and the bottom end of the ground wire extends out of the body.

[0012] In a preferred embodiment, the additional component includes a storage box fixedly connected to the left side of the rear side of the assembly frame, the inner cavity of the storage box is slidably connected with a blocking bar, the rear end of the blocking bar is fixedly connected with a second spring, and the rear end of the second spring is fixedly connected to the middle of the inner cavity of the storage box.

[0013] In a preferred embodiment, the center of gravity adjustment assembly includes a base fixedly connected to the bottom of the body, the bottom of the base is fixedly connected to a leg, the bottom of the leg is fixedly connected to a pressure sensor, the inner cavity of the base is slidably connected to a counterweight block, the middle part of the counterweight block is slidably connected to a longitudinal frame, the longitudinal frame is slidably connected to the inner cavity of the base, the rear inner cavity of the longitudinal frame is threadedly connected to a first screw rod, the first screw rod is rotatably connected to the rear side of the inner cavity of the base, the top of the counterweight block is slidably connected to a transverse frame, the transverse frame is slidably connected to the top of the inner cavity of the base, the right side of the transverse frame is threadedly connected to a second screw rod, and the second screw rod is rotatably connected to the right side of the inner cavity of the base.

[0014] In a preferred embodiment, the motor and the fan blades are provided in two groups, which are distributed on the left and right sides of the top of the inner cavity of the machine body.

[0015] In a preferred embodiment, the top and bottom surfaces of the fastening bolt are both provided with anti-skid pads, and the bottom of the anti-skid pads is in contact with and connected to the top surface of the landing gear.

[0016] The technical effects achieved by the present invention are: The cabinet assembly and heat dissipation assembly of the present invention can facilitate the maintenance and installation of internal components, as well as efficient heat dissipation, thereby improving applicability and portability of operation; when operating under normal conditions, the driving part of the heat dissipation assembly can actively operate to ventilate and dissipate heat inside the cabinet assembly, and while ventilating, the filter part of the heat dissipation assembly can filter the air, and when performing daily maintenance and installing additional equipment, the front and back sides of the cabinet assembly can be maintained by opening the panel at the back, thereby improving portability and efficiency; The storage component of the present invention can be installed with different numbers of devices as needed, and the position of the devices can be adjusted according to needs. At the same time, the static electricity in the cabinet can be processed to avoid damage to components. In the process of installing the devices, the moving part of the installation component can be pushed to open the installation part of the anti-static component, and then the device can be installed on the anti-static component. Then, the device can be slid up and down as needed to make the lifting part of the regulating component move along the inner cavity of the cabinet component to adjust the position of the device. After completion, the locking part of the regulating component is inserted into the cabinet component for positioning and fixing. Then, the components are moved forward and backward to make the main part of the anti-static component move forward and backward inside the regulating component to adjust the position of the device. After completion, the locking part of the anti-static component can be tightened. When static electricity is generated in daily use, the static electricity will flow into the regulating component according to the main part of the anti-static component, and then discharged to the ground through the neutral line, so as to realize the installation of any number of devices, position adjustment and anti-static treatment. The center of gravity adjustment component of the present invention can adjust the center of gravity of the cabinet according to the distribution of gravity after the accessories in the cabinet are installed, so as to prevent the center of gravity from shifting and causing the vibration intensity in the cabinet to increase, thereby affecting normal use; after the equipment and accessories in the cabinet are installed and the positions are adjusted, the pressure distribution can be checked according to the detection part of the center of gravity adjustment component. If the center of gravity shifts too much, the center of gravity of the cabinet can be adjusted by adjusting the position of the counterweight component inside the center of gravity adjustment component, so as to avoid the cabinet from shifting too much due to the center of gravity, resulting in increased vibration during operation, thereby affecting the normal use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the main components of the present invention; Figure 3 is a schematic diagram of the position of the heat dissipation component in the present invention; Figure 4 It is a rear view of the cabinet assembly of the present invention when it is opened; Figure 5 It is a schematic diagram of the structure of the regulating component in the present invention; Figure 6 It is a rising effect diagram of the positioning frame in the present invention; Figure 7 It is a schematic diagram of the structure of the fan blade in the present invention; Figure 8 It is a structural schematic diagram of the landing gear in the present invention; Fig. 9 It is a schematic diagram of the position of the magnetic attraction plate in the present invention; Fig.10 It is a schematic diagram of the position of the anti-static component in the present invention; Fig.11 It is a schematic diagram of the structure of the antistatic component in the present invention; Fig.12 It is a schematic diagram of the position of the additional components in the present invention; Fig.13 It is a cross-sectional view of the added components in the present invention; Fig.14 is a bottom view of the center of gravity adjustment assembly of the present invention; Fig.15 is a cross-sectional view of a center of gravity adjustment assembly in the present invention; Fig.16 It is a structural schematic diagram of the counterweight block in the present invention; Fig.17 It is a disassembled view of the counterweight block, the longitudinal frame and the transverse frame in the present invention.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 10. Main body assembly; 11. Cabinet assembly; 111. Machine body; 112. Cabinet door; 113. Additional wire trough; 114. Cover plate; 115. Maintenance door; 12. Heat dissipation assembly; 121. Cabinet top; 122. Filter; 123. Motor; 124. Fan blade; 125. Ventilation port; 20. Storage assembly; 21. Control assembly; 211. Limit rod; 212. Positioning frame; 213. First spring; 214. Landing gear; 215. Positioning rod; 216. Positioning slot; 2 17. Magnetic plate; 22. Anti-static component; 221. Assembly frame; 222. Fastening bolt; 223. Conductive strip; 224. Conductive block; 225. Conductive slot; 226. Ground wire; 23. Additional component; 231. Storage box; 232. Blocking strip; 233. Second spring; 30. Center of gravity adjustment component; 31. Base; 32. Leg; 33. Pressure sensor; 34. Counterweight; 35. Longitudinal frame; 36. First screw rod; 37. Horizontal frame; 38. Second screw rod. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The phrase "in a preferred embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] Please see attached Figure 1-Figure 17 As shown, this embodiment provides a DC lighting distribution cabinet, including a main body component 10, the main body component 10 includes a cabinet component 11, and a heat dissipation component 12 is arranged on the top of the cabinet component 11; The storage component 20 includes a regulating component 21 disposed in the inner cavity of the cabinet component 11, the inner cavity of the regulating component 21 is provided with an anti-static component 22, and an additional component 23 is provided on the anti-static component 22; A gravity center adjustment component 30, which is disposed below the cabinet component 11; After the electrical components are mounted on the anti-static component 22 through the mounting component 23, the regulating component 21 moves along the inner cavity of the cabinet component 11 to adjust the position of the electrical components, and after the adjustment, the center of gravity of the entire device is adjusted through the center of gravity adjustment component 30; The heat dissipation component 12 is used to ventilate and dissipate heat inside the cabinet component 11 .

[0024] In this embodiment, when installing accessories, the regulating component 21 is first pushed to move along the inner cavity of the cabinet component 11 to find the best position of the electrical components. After the position is determined, the regulating component 21 is fixed, and then the electrical components are fixed on the anti-static component 22 by the mounting component 23, and during daily use, the static electricity generated by the electrical appliances is discharged into the ground through the anti-static component 22. Subsequently, according to the instructions of the center of gravity adjustment component 30, the position of the counterweight part in the center of gravity adjustment component 30 is adjusted to ensure the balance of the center of gravity and make the device run more smoothly.

[0025] Next, please refer to Figure 1-Figure 4 , Figure 7 The cabinet assembly 11 includes a body 111, a cabinet door 112 is rotatably connected to the front of the body 111, an additional wire groove 113 is opened on the rear side of the body 111, a cover plate 114 is threadedly connected to the rear side of the body 111 at the position of the additional wire groove 113, and a maintenance door 115 is rotatably connected to the rear side of the body 111; The heat dissipation assembly 12 includes a cabinet top 121 fixedly connected to the top of the machine body 111, a filter 122 fixedly connected to the bottom of the cabinet top 121, a motor 123 fixedly connected to the top of the machine body 111, a fan blade 124 fixedly connected to the output shaft of the motor 123, and ventilation holes 125 are provided on both sides of the bottom of the machine body 111; The motor 123 and the fan blades 124 are provided in two groups, which are distributed on the left and right sides of the top of the inner cavity of the body 111 .

[0026] It should be noted that a sealing strip is provided at the portion where the cover plate 114 contacts the body 111 .

[0027] In this embodiment, during routine maintenance, the maintenance door 115 and the cabinet door 112 can be opened simultaneously to facilitate inspection and maintenance of the internal electrical components. The cover plate 114 can be easily removed to facilitate the insertion of additional cables into the device through the additional wire slot 113. During daily use, the motor 123 drives the fan blades 124 to rotate, thereby generating airflow, sucking in external air through the filter 122, and exhausting internal hot air through the vent 125 to achieve a good heat dissipation effect.

[0028] Next, please refer to Figure 5-Figure 6 , Figure 8-Figure 13 The regulating component 21 includes a limit rod 211 fixedly connected to the front and rear sides of the inner cavity of the body 111, a positioning frame 212 is movably inserted at the top of the limit rod 211, and the positioning frame 212 is slidably connected to the top of the inner cavity of the body 111. A first spring 213 is fixedly connected to the top of the positioning frame 212, and the top of the first spring 213 is fixedly connected to the top of the inner cavity of the body 111. The outer ring of the limit rod 211 is slidably connected to the landing gear 214, and the upper and lower sides of the landing gear 214 are slidably connected to the positioning rod 215. The left and right sides of the inner cavity of the body 111 are provided with positioning grooves 216, and the positioning rod 215 is movably inserted in the positioning groove 216. One end of the positioning rod 215 extending into the positioning groove 216 is fixedly connected to a magnetic suction plate 217; The anti-static component 22 includes an assembly frame 221 slidably connected to the inner cavity of the landing gear 214, the tops of the left and right ends of the assembly frame 221 are both threadedly connected with fastening bolts 222, the top of the fastening bolts 222 is slidably connected to the top of the landing gear 214, the inner cavity top of the landing gear 214 is fixedly connected with a conductive strip 223, the inner ring of the landing gear 214 is fixedly connected with a conductive block 224, the conductive strip 223 and the conductive block 224 are electrically connected, the front of the limit rod 211 located at the right rear of the body 111 is provided with a conductive slot 225, the top of the conductive block 224 is slidably connected in the conductive slot 225, the bottom of the limit rod 211 is electrically connected with a ground wire 226, and the bottom end of the ground wire 226 extends out of the body 111; The mounting assembly 23 includes a storage box 231 fixedly connected to the left side of the rear side of the assembly frame 221, a blocking bar 232 is slidably connected to the inner cavity of the storage box 231, a second spring 233 is fixedly connected to the rear end of the blocking bar 232, and the rear end of the second spring 233 is fixedly connected to the middle part of the inner cavity of the storage box 231; The top and bottom surfaces of the fastening bolt 222 are both provided with anti-skid pads, and the bottom of the anti-skid pads is in contact with and connected to the top surface of the landing gear 214 .

[0029] It should be noted that the front side of the blocking bar 232 is flush with the front side of the assembly rack 221, so that the blocking bar 232 can prevent the accessories from falling and can also be installed on the assembly rack 221 by moving the blocking bar 232; The interior of the positioning groove 216 is also provided with a magnetic element adapted to the magnetic attraction plate 217, so as to enable the magnetic attraction plate 217 to be stably adsorbed in the positioning groove 216; A metal protrusion is provided on the top of the assembly frame 221 , and the protrusion is in contact with the conductive block 224 , so that the static electricity on the assembly frame 221 can be discharged through the conductive block 224 .

[0030] In this embodiment, when installing accessories, the positioning frame 212 can be pushed up to free the top of the limit rod 211, and then the required landing gear 214 is placed inside the limit rod 211, and then the first spring 213 rebounds to push the positioning frame 212 into the limit rod 211 for sealing, and then the blocking bar 232 is pushed back to expose the installation area of ​​the assembly frame 221, and then the accessories are installed inside the assembly frame 221, and then the second spring 233 pushes the blocking bar 232 to reset and close the assembly frame 221. Then the landing gear 214 is pushed up and down to adjust the height of the accessories, and after it is in place, the positioning rod 215 is inserted into the positioning slot 216 to fix it, and then the assembly frame 221 is pulled forward and backward to adjust the front and rear position of the accessories, and then the fastening bolt 222 is tightened to fix it. In normal operation, if the accessories generate static electricity, the static electricity can be introduced into the conductive block 224 through the assembly frame 221, then introduced into the conductive block 224 and the conductive slot 225 through the conductive block 224, and then discharged through the ground wire 226, thereby achieving the processing of static electricity.

[0031] Next, please refer to Figure 14-17 The center of gravity adjustment assembly 30 includes a base 31 fixedly connected to the bottom of the body 111, a leg 32 fixedly connected to the bottom of the base 31, a pressure sensor 33 fixedly connected to the bottom of the leg 32, a counterweight 34 slidably connected to the inner cavity of the base 31, a longitudinal frame 35 slidably connected to the middle of the counterweight 34, the longitudinal frame 35 slidably connected to the inner cavity of the base 31, a first screw rod 36 is threadedly connected to the rear inner cavity of the longitudinal frame 35, the first screw rod 36 is rotatably connected to the rear side of the inner cavity of the base 31, a transverse frame 37 is slidably connected to the top of the inner cavity of the base 31, a second screw rod 38 is threadedly connected to the right side of the inner cavity of the base 31.

[0032] It should be noted that the moving track of the transverse frame 37 is forward and backward movement, while the moving track of the longitudinal frame 35 is left and right movement, so that the position of the counterweight block 34 can be adjusted arbitrarily when the two sets of screw rods are fixed.

[0033] In this embodiment, after the equipment is installed, the pressure of the four legs 32 is detected by the pressure sensor 33 to obtain the offset data of the center of the body 111. If the offset is too large, the first screw rod 36 and the second screw rod 38 can be rotated to drive the longitudinal frame 35 and the transverse frame 37 to move, so as to adjust the position of the counterweight block 34 and then adjust the center of gravity of the device to ensure the stability of the device operation.

[0034] The working principle of the present invention is as follows: when installing accessories, the positioning frame 212 can be pushed up to empty the top of the limit rod 211, and then the required landing gear 214 is placed inside the limit rod 211, and then the blocking bar 232 is pushed back to leak the installation area of ​​the assembly frame 221, and then the accessories are installed inside the assembly frame 221. Then the landing gear 214 is pushed up and down to adjust the height of the accessories, and after it is in place, the positioning rod 215 is inserted into the positioning groove 216 to fix it, and then the assembly frame 221 is pulled forward and backward to adjust the front and rear position of the accessories, and then the fastening bolt 222 is tightened to fix it. If the accessories generate static electricity, the static electricity can be introduced into the conductive block 224 through the assembly frame 221, and then introduced into the conductive block 224 and the conductive groove 225 through the conductive block 224, and then discharged through the ground wire 226 to achieve the processing of static electricity. After the equipment is installed, the pressure of the four legs 32 is detected by the pressure sensor 33, so as to obtain the offset data of the center of the body 111. If the offset is too large, the position of the counterweight 34 can be adjusted by rotating the first screw rod 36 and the second screw rod 38 to drive the longitudinal frame 35 and the transverse frame 37 to move, thereby adjusting the center of gravity of the device to ensure the stability of the device operation. During daily maintenance, the maintenance door 115 and the cabinet door 112 can be opened at the same time to facilitate the inspection and maintenance of the internal electrical components. The cover plate 114 can be easily disassembled so that additional cables can be inserted into the device through the additional wire groove 113. At the same time, the motor 123 drives the fan blades 124 to rotate, thereby generating airflow, sucking in external air through the filter 122, and exhausting the internal hot air through the vent 125 to achieve a good heat dissipation effect.

[0035] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A DC lighting distribution cabinet, characterized in that: include: A main body component (10), the main body component (10) comprising a cabinet component (11), a heat dissipation component (12) being arranged on the top of the cabinet component (11); A storage component (20), the storage component (20) comprising a regulating component (21) arranged in the inner cavity of the cabinet component (11), the inner cavity of the regulating component (21) being provided with an antistatic component (22), and an additional component (23) being provided on the antistatic component (22); A center of gravity adjustment component (30), wherein the center of gravity adjustment component (30) is arranged below the cabinet component (11); After the electrical component is mounted on the antistatic component (22) through the mounting component (23), the regulating component (21) moves along the inner cavity of the cabinet component (11) to adjust the position of the electrical component, and after the adjustment is completed, the center of gravity of the entire device is adjusted through the center of gravity adjustment component (30); The heat dissipation component (12) is used to ventilate and dissipate heat inside the cabinet component (11).

2. The DC lighting distribution cabinet according to claim 1, characterized in that: The cabinet assembly (11) comprises a machine body (111), the front side of the machine body (111) being rotatably connected to a cabinet door (112), the rear side of the machine body (111) being provided with an additional wire groove (113), the rear side of the machine body (111) being threadedly connected to a cover plate (114) at a position of the additional wire groove (113), and the rear side of the machine body (111) being rotatably connected to a maintenance door (115).

3. The DC lighting distribution cabinet according to claim 2, characterized in that: The heat dissipation assembly (12) comprises a cabinet top (121) fixedly connected to the top of the machine body (111); a filter screen (122) is fixedly connected to the bottom of the cabinet top (121); a motor (123) is fixedly connected to the top of the machine body (111); a fan blade (124) is fixedly connected to the output shaft of the motor (123); and ventilation openings (125) are provided on both left and right sides of the bottom of the machine body (111).

4. The DC lighting distribution cabinet according to claim 2, characterized in that: The regulating component (21) comprises a limit rod (211) fixedly connected to the front and rear sides of the inner cavity of the machine body (111); a positioning frame (212) is movably inserted at the top of the limit rod (211); the positioning frame (212) is slidably connected to the top of the inner cavity of the machine body (111); a first spring (213) is fixedly connected to the top of the inner cavity of the machine body (111); the top of the first spring (213) is fixedly connected to the top of the inner cavity of the machine body (111); an outer ring of the limit rod (211) is slidably connected to a landing gear (214); the upper and lower sides of the landing gear (214) are slidably connected to positioning rods (215); positioning grooves (216) are provided on the left and right sides of the inner cavity of the machine body (111); the positioning rod (215) is movably inserted in the positioning groove (216); and one end of the positioning rod (215) extending into the positioning groove (216) is fixedly connected to a magnetic suction plate (217).

5. The DC lighting distribution cabinet according to claim 4, characterized in that: The antistatic component (22) comprises an assembly frame (221) slidably connected to the inner cavity of the landing gear (214); the tops of the left and right ends of the assembly frame (221) are both threadedly connected to fastening bolts (222); the tops of the fastening bolts (222) are slidably connected to the tops of the landing gear (214); a conductive strip (223) is fixedly connected to the top of the inner cavity of the landing gear (214); a conductive block (224) is fixedly connected to the inner ring of the landing gear (214); the conductive strip (223) and the conductive block (224) are electrically connected; a conductive slot (225) is provided on the front of the limit rod (211) located at the rear right side of the body (111); the top of the conductive block (224) is slidably connected in the conductive slot (225); the bottom of the limit rod (211) is electrically connected to a ground wire (226); the bottom end of the ground wire (226) extends out of the body (111).

6. The DC lighting distribution cabinet according to claim 5, characterized in that: The additional assembly (23) comprises a storage box (231) fixedly connected to the left side of the rear side of the assembly frame (221); a blocking bar (232) is slidably connected to the inner cavity of the storage box (231); a second spring (233) is fixedly connected to the rear end of the blocking bar (232); and the rear end of the second spring (233) is fixedly connected to the middle of the inner cavity of the storage box (231).

7. The DC lighting distribution cabinet according to claim 2, characterized in that: The center of gravity adjustment assembly (30) comprises a base (31) fixedly connected to the bottom of the machine body (111); a leg (32) fixedly connected to the bottom of the base (31); a pressure sensor (33) fixedly connected to the bottom of the leg (32); a counterweight (34) slidably connected to the inner cavity of the base (31); a longitudinal frame (35) slidably connected to the middle of the counterweight (34); the longitudinal frame (35) slidably connected to the inner cavity of the base (31); a first screw rod (36) is threadedly connected to the rear inner cavity of the longitudinal frame (35); the first screw rod (36) is rotatably connected to the rear side of the inner cavity of the base (31); a transverse frame (37) is slidably connected to the top of the inner cavity of the base (31); a second screw rod (38) is threadedly connected to the right side of the inner cavity of the base (31) on the right side of the transverse frame (37); and the second screw rod (38) is rotatably connected to the right side of the inner cavity of the base (31).

8. The DC lighting distribution cabinet according to claim 3, characterized in that: The motor (123) and the fan blades (124) are provided in two groups and are distributed on the left and right sides of the top of the inner cavity of the machine body (111).

9. The DC lighting distribution cabinet according to claim 5, characterized in that: The top and bottom surfaces of the fastening bolt (222) are both provided with anti-skid pads, and the bottom of the anti-skid pads is in contact with and connected to the top surface of the landing gear (214).

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