Power distribution box for electric power construction and use method thereof
By designing a motor-driven bidirectional threaded rod to clamp the filter screen and an L-shaped baffle to prevent rain from entering the distribution box, the problem of rainwater ingress is solved, and the filter screen can be easily disassembled and installed, and heat dissipation can be effectively achieved, thereby improving the practicality of the distribution box and the lifespan of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-08
- Publication Date
- 2026-04-14
AI Technical Summary
In the existing technology, the rainproof baffle of the power distribution cabinet cannot effectively prevent rainwater from flowing in through the filter screen, which causes rainwater to have an adverse effect on the internal equipment.
A distribution box was designed, which includes a ventilation mechanism and a heat dissipation mechanism. The ventilation mechanism uses a motor-driven bidirectional threaded rod to clamp or loosen the filter screen to prevent rainwater from entering, and an L-shaped baffle is also provided to prevent rainwater from flowing in. The heat dissipation mechanism uses a motor-driven gear transmission to drive a fan to rotate for heat dissipation.
It enables convenient installation and removal of the filter screen and provides rain protection, ensuring the inside of the distribution box remains dry. The fan effectively prevents the equipment from overheating, thus improving the equipment's lifespan and reliability.
Smart Images

Figure CN121863196A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of distribution box technology, specifically to a power distribution box for power construction and its usage method. Background Technology
[0002] Distribution boxes are electrical equipment characterized by their small size, easy installation, special technical performance, fixed location, unique configuration functions, no site restrictions, wide application, stable and reliable operation, high space utilization, small footprint, and environmental benefits.
[0003] For example, Chinese Patent Publication No. CN115149443A discloses the following technical solution: a power distribution box for power construction and its usage method, comprising a distribution cabinet, a mounting base fixedly connected to the bottom of the distribution cabinet, a rainproof baffle fixedly connected to the top of the distribution cabinet, a heat dissipation mechanism fixedly connected to the top of the distribution cabinet, a fixing mechanism fixedly connected to the rear end of the distribution cabinet, and a circuit breaker provided at the front end of the fixing mechanism. This patent utilizes a fan to circulate air through the heat exhaust pipe, and a drive fan to rotate the guide fan, thereby circulating the gas inside the distribution cabinet in the cooling chamber. The heat absorption plate absorbs heat from inside the cooling chamber and conducts it to the heat conduction ring. The air circulation in the heat exhaust pipe carries away the heat, thus dissipating heat from the distribution cabinet, preventing equipment damage, and extending the equipment's service life.
[0004] The existing technology has the following problems:
[0005] In the existing technology, ventilation and heat dissipation are achieved by installing filters on the side of the distribution cabinet. However, the rainproof baffle cannot prevent rainwater from flowing into the interior of the distribution cabinet from the filters, and the rainwater will have an adverse effect on the equipment inside the distribution cabinet. Summary of the Invention
[0006] This invention provides a power distribution box for power construction and its usage method to solve the problems mentioned in the background art.
[0007] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:
[0008] In a first aspect, a power distribution box for power construction includes a box body, a door hinged to the front of the box body, L-shaped baffles fixedly installed on both the left and right sides of the box body, and a ventilation mechanism provided on the box body;
[0009] The ventilation mechanism includes a rectangular hole, a filter screen, a U-shaped rod, a connecting plate, a motor, a connecting rod, a double-threaded rod, a bearing, a connecting plate, a clamping plate, and a limiting rod. The rectangular hole is opened on the housing, the filter screen is movably connected inside the rectangular hole, the U-shaped rod is fixedly connected to the inner wall of the housing, the outer wall of the connecting plate is fixedly connected to the inner wall of the housing, and the motor is fixedly installed at the bottom of the connecting plate.
[0010] A further improvement of the technical solution of the present invention is that: the output end of the motor is fixedly connected to the top of the connecting rod, the bottom of the connecting rod is fixedly connected to the top of the bidirectional threaded rod, the outer wall of the connecting plate is fixedly connected to the inner wall of the housing, the bearing is fixedly installed on the top of the connecting plate, the bottom of the bidirectional threaded rod is fixedly connected to the inner ring of the bearing, and the bidirectional threaded rod passes through the clamping plate and is threadedly connected to the clamping plate. By setting the bearing, the bidirectional threaded rod can rotate stably. There are two clamping plates on the bidirectional threaded rod, which can be used to clamp the filter screen.
[0011] A further improvement of the technical solution of the present invention is that: the top of the limiting rod is fixedly connected to the bottom of the first connecting plate, and the bottom of the limiting rod is fixedly connected to the top of the second connecting plate; the limiting rod and the clamping plate are slidably connected; the limiting rod is set to prevent the clamping plate from rotating.
[0012] A further improvement of the technical solution of the present invention is that: the inner wall of the box is provided with a fixing mechanism, the fixing mechanism includes a frame, a pressure plate, a connecting rod, a pull block, and a spring. The back of the frame is fixedly connected to the back of the inner wall of the box. The pressure plate is located inside the frame. The bottom of the connecting rod is fixedly connected to the top center of the pressure plate. The top of the connecting rod extends through the top of the inner wall of the frame to the outside of the frame. The pressure plate can be moved by setting the connecting rod.
[0013] A further improvement of the technical solution of the present invention is that: the connecting rod is movably connected to the frame, and the bottom of the pull block is fixedly connected to the top of the connecting rod; the spring is set on the top of the pressure plate, one end of the spring is fixedly connected to the top of the inner wall of the frame, and the other end is fixedly connected to the top of the pressure plate; by setting the spring, the pressure plate can be driven to reset.
[0014] A further improvement of the technical solution of the present invention is that: a heat dissipation mechanism is provided on the top of the box, the heat dissipation mechanism includes a housing, a second motor, a second connecting rod, a first gear, a second gear, a rotating rod, a second bearing, a fan, and a round hole. The round hole is opened on the top of the box, and the housing is fixedly installed on the top of the box. The housing is in the shape of a groove and the opening faces downward. The housing can play a protective role.
[0015] A further improvement of the technical solution of the present invention is that: the second motor is fixedly installed on the top of the inner wall of the housing, the output end of the second motor is fixedly connected to one end of the second connecting rod, the other end of the second connecting rod is fixedly connected to the top of the first gear, the first gear and the second gear are meshed together, the second bearing is fixedly connected to the top of the inner wall of the housing, the bottom of the rotating rod is fixedly connected to the top of the fan, and there are two gears and two fans, which are located on the left and right sides of the rotation of the first gear, respectively.
[0016] A further improvement of the technical solution of the present invention is that: the top of the rotating rod is fixedly connected to the inner ring of the second bearing, and the second gear is fixedly sleeved on the outer wall of the rotating rod, so that the rotating rod can rotate by setting the second bearing.
[0017] A further improvement of the technical solution of the present invention is that: a vertical plate is fixedly connected to the top of the box, and a rainproof plate is fixedly installed on the top of the vertical plate, so that rain can be prevented by setting the rainproof plate.
[0018] Secondly, a method of using a power distribution box for power construction includes the following steps:
[0019] Step 1: Fix the enclosure in a suitable position, and install the relevant electrical equipment on the inner wall of the enclosure. Pull the pull block upwards, the pull block pulls the connecting rod, the connecting rod pulls the pressure plate, and the electrical equipment is placed in place. Then release the pull block to reset the pressure plate, which facilitates the initial installation of the electrical equipment.
[0020] Step 2: By starting motor 2, motor 2 drives coupling rod 2 to rotate, coupling rod 2 drives gear 1 to rotate, gear 1 drives gear 2 to rotate, gear 2 drives rotating rod to rotate, and rotating rod drives fan to rotate, thereby achieving the purpose of heat dissipation;
[0021] Step 3: Start motor one, which drives the connecting rod one to rotate. The connecting rod one rotates the double-threaded rod, which drives the two clamping plates on it to clamp or loosen the filter screen, thereby facilitating disassembly and assembly.
[0022] Due to the adoption of the above technical solution, the technical progress achieved by this invention compared to the prior art is as follows:
[0023] 1. This invention provides a power distribution box for power construction and its usage method. By starting a motor, the motor drives a connecting rod to rotate, which in turn rotates a bidirectional threaded rod. The bidirectional threaded rod drives two clamping plates on it to clamp or loosen the filter screen, thereby facilitating disassembly and assembly. Furthermore, the L-shaped baffle prevents rainwater from flowing into the box from the filter screen, making the distribution box simple in structure and highly practical.
[0024] 2. This invention provides a power distribution box for power construction and its usage method. By starting motor two, motor two drives connecting rod two to rotate, connecting rod two drives gear one to rotate, gear one drives gear two to rotate, gear two drives rotating rod to rotate, and rotating rod drives fan to rotate, thereby achieving the purpose of heat dissipation.
[0025] 3. This invention provides a power distribution box for power construction and its usage method. By pulling the pull block upward, the pull block pulls the connecting rod, the connecting rod pulls the pressure plate, the electrical equipment is placed in place, and then the pull block is released to reset the pressure plate, thereby facilitating the initial installation of the electrical equipment. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the structure of the present invention;
[0027] Figure 2 This is a schematic diagram of the internal structure of the housing of the present invention;
[0028] Figure 3 This is a schematic diagram of the structure of the housing of the present invention;
[0029] Figure 4 This is a schematic diagram of the ventilation mechanism of the present invention;
[0030] Figure 5 This is an enlarged view of invention A;
[0031] Figure 6 This is a schematic diagram of the fixing mechanism of the present invention;
[0032] Figure 7 This is a schematic diagram of the heat dissipation mechanism of the present invention.
[0033] In the diagram: 1. Box body; 2. Box door; 3. L-shaped baffle; 4. Ventilation mechanism; 401. Rectangular hole; 402. Filter screen; 403. U-shaped rod; 404. Connecting plate one; 405. Motor one; 406. Coupling rod one; 407. Bidirectional threaded rod; 408. Bearing one; 409. Connecting plate two; 410. Clamping plate; 411. Limiting rod; 5. Fixing mechanism; 501. Frame; 502. Pressure plate; 503. Connecting rod; 504. Pull block; 505. Spring; 6. Heat dissipation mechanism; 601. Shell; 602. Motor two; 603. Coupling rod two; 604. Gear one; 605. Gear two; 606. Rotating rod; 607. Bearing two; 608. Fan; 609. Round hole; 7. Vertical plate; 8. Rainproof plate. Detailed Implementation
[0034] The present invention will be further described in detail below with reference to embodiments:
[0035] Example 1
[0036] like Figure 1-6As shown, the present invention provides a power distribution box for power construction, including a box body 1, a box door 2 hinged to the front of the box body 1, a vertical plate 7 fixedly connected to the top of the box body 1, a rainproof plate 8 fixedly installed on the top of the vertical plate 7, which can prevent rain by setting the rainproof plate 8, L-shaped baffles 3 fixedly installed on both the left and right sides of the box body 1, and a ventilation mechanism 4 provided on the box body 1.
[0037] The ventilation mechanism 4 includes a rectangular hole 401, a filter screen 402, a U-shaped rod 403, a connecting plate 404, a motor 405, a connecting rod 406, a double-threaded rod 407, a bearing 408, a connecting plate 409, a clamping plate 410, and a limiting rod 411. The rectangular hole 401 is formed on the housing 1. The filter screen 402 is movably connected inside the rectangular hole 401. The U-shaped rod 403 is fixedly connected to the inner wall of the housing 1. The outer wall of the connecting plate 404 is fixedly connected to the inner wall of the housing 1. The motor 405 is fixedly installed at the bottom of the connecting plate 404. A fixing mechanism 5 is provided on the inner wall of the housing 1. The fixing mechanism 5 includes a frame 501, a pressure plate 502, a connecting rod 503, a pull block 504, and a spring 505. The back of 501 is fixedly connected to the back of the inner wall of the housing 1. The pressure plate 502 is set inside the frame 501. The bottom of the connecting rod 503 is fixedly connected to the top center of the pressure plate 502. The top of the connecting rod 503 extends through the top of the inner wall of the frame 501 to the outside of the frame 501. The pressure plate 505 can be moved by setting the connecting rod 503. The connecting rod 503 is movably connected to the frame 501. The bottom of the pull block 504 is fixedly connected to the top of the connecting rod 503. The spring 505 is set on the top of the pressure plate 502. One end of the spring 505 is fixedly connected to the top of the inner wall of the frame 501, and the other end is fixedly connected to the top of the pressure plate 502. The pressure plate 502 can be reset by setting the spring 505.
[0038] The output end of motor 405 is fixedly connected to the top of connecting rod 406, the bottom of connecting rod 406 is fixedly connected to the top of double-threaded rod 407, the outer wall of connecting plate 409 is fixedly connected to the inner wall of housing 1, bearing 408 is fixedly installed on the top of connecting plate 409, the bottom of double-threaded rod 407 is fixedly connected to the inner ring of bearing 408, double-threaded rod 407 passes through clamping plate 410 and is threadedly connected to clamping plate 410. By setting bearing 408, double-threaded rod 407 can rotate stably. There are two clamping plates 410 on double-threaded rod 407, which can be used to clamp filter screen 402. The top of limiting rod 411 is fixedly connected to the bottom of connecting plate 404, and the bottom of limiting rod 411 is fixedly connected to the top of connecting plate 409. Limiting rod 411 and clamping plate 410 are slidably connected. Limiting rod 411 is set to prevent clamping plate 410 from rotating.
[0039] In this embodiment, by starting the motor 405, the motor 405 drives the connecting rod 406 to rotate, which in turn causes the bidirectional threaded rod 407 to rotate. The bidirectional threaded rod 407 drives the two clamping plates 410 on it to clamp or loosen the filter screen 402, thereby facilitating disassembly and assembly. The L-shaped baffle 3 prevents rainwater from flowing from the filter screen 402 into the interior of the box 1, making the distribution box simple in structure and highly practical. By pulling the pull block 504 upward, the pull block 504 pulls the connecting rod 503, which in turn pulls the pressure plate 502 to place the electrical equipment. Then, the pull block 504 is released to reset the pressure plate 502, thus facilitating the initial installation of the electrical equipment.
[0040] Example 2
[0041] like Figure 3 , 7 As shown, based on Embodiment 1, the present invention provides a technical solution: Preferably, a heat dissipation mechanism 6 is provided on the top of the housing 1. The heat dissipation mechanism 6 includes a housing 601, a second motor 602, a second connecting rod 603, a first gear 604, a second gear 605, a rotating rod 606, a second bearing 607, a fan 608, and a round hole 609. The round hole 609 is opened on the top of the housing 1. The housing 601 is fixedly installed on the top of the housing 1. The housing 601 is in the shape of a groove and the opening faces downward. The housing 601 can play a protective role. The second motor 602 is fixedly installed on the top of the inner wall of the housing 601. The output end of 2 is fixedly connected to one end of the connecting rod 603, and the other end of the connecting rod 603 is fixedly connected to the top of the gear 604. The gear 604 meshes with the gear 605. The bearing 607 is fixedly connected to the top of the inner wall of the housing 601. The bottom of the rotating rod 606 is fixedly connected to the top of the fan 608. There are two gears 605 and two fans 608, located on the left and right sides of the rotation of the gear 604, respectively. The top of the rotating rod 606 is fixedly connected to the inner ring of the bearing 607. The gear 605 is fixedly sleeved on the outer wall of the rotating rod 606. The rotating rod 606 can rotate by setting the bearing 607.
[0042] In this embodiment, by starting motor 2 602, motor 2 602 drives connecting rod 2 603 to rotate, connecting rod 2 603 drives gear 1 604 to rotate, gear 1 604 drives gear 2 605 to rotate, gear 2 605 drives rotating rod 606 to rotate, and rotating rod 606 drives fan 608 to rotate, thereby achieving the purpose of heat dissipation.
[0043] Example 3
[0044] like Figure 1-7 As shown, based on Examples 1-2, the present invention provides a method for using a power distribution box for power construction, comprising the following steps:
[0045] Step 1: Fix the enclosure 1 in a suitable position, and install the relevant electrical equipment on the inner wall of the frame 501. Pull the pull block 504 upward, the pull block 504 pulls the connecting rod 503, the connecting rod 503 pulls the pressure plate 502, and the electrical equipment is placed. Then release the pull block 504 to reset the pressure plate 502, which facilitates the initial installation of the electrical equipment.
[0046] Step 2: By starting motor 2 602, motor 2 602 drives connecting rod 2 603 to rotate, connecting rod 2 603 drives gear 1 604 to rotate, gear 1 604 drives gear 2 605 to rotate, gear 2 605 drives rotating rod 606 to rotate, and rotating rod 606 drives fan 608 to rotate, thereby achieving the purpose of heat dissipation;
[0047] Step 3: By starting motor 405, motor 405 drives connecting rod 406 to rotate, connecting rod 406 causes bidirectional threaded rod 407 to rotate, bidirectional threaded rod 407 drives the two clamping plates 410 on it to clamp or loosen filter screen 402, thereby achieving the purpose of convenient disassembly and assembly.
[0048] The working principle of this type of power distribution box and its usage will be explained in detail below.
[0049] like Figure 1-7 As shown, in use, by fixing the housing 1 in a suitable position, with the relevant electrical equipment installed on the inner wall of the frame 501, pulling the pull block 504 upwards pulls the connecting rod 503, which in turn pulls the pressure plate 502, placing the electrical equipment in place. Then, releasing the pull block 504 resets the pressure plate 502, facilitating the initial installation of the electrical equipment. Starting the second motor 602 causes the second connecting rod 603 to rotate, which in turn drives the first gear 604 to rotate, which in turn drives the second gear 605. The rotation of gear 605 drives the rotating rod 606 to rotate, which in turn drives the fan 608 to rotate, thus achieving the purpose of heat dissipation. By starting motor 405, motor 405 drives the connecting rod 406 to rotate, which in turn drives the double-threaded rod 407 to rotate. The double-threaded rod 407 drives the two clamping plates 410 on it to clamp or loosen the filter screen 402, thus achieving the purpose of easy disassembly and assembly. In addition, the setting of L-shaped baffle 3 can prevent rainwater from flowing from the filter screen 402 into the interior of the box 1, making the structure of the distribution box simple and highly practical.
[0050] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A power distribution box for power construction, comprising a box body (1), characterized in that: The front of the box (1) is hinged with a door (2), and L-shaped baffles (3) are fixedly installed on both the left and right sides of the box (1). A ventilation mechanism (4) is provided on the box (1). The ventilation mechanism (4) includes a rectangular hole (401), a filter screen (402), a U-shaped rod (403), a connecting plate (404), a motor (405), a connecting rod (406), a two-way threaded rod (407), a bearing (408), a connecting plate (409), a clamping plate (410), and a limiting rod (411). The rectangular hole (401) is opened on the box body (1). The filter screen (402) is movably connected inside the rectangular hole (401). The U-shaped rod (403) is fixedly connected to the inner wall of the box body (1). The outer wall of the connecting plate (404) is fixedly connected to the inner wall of the box body (1). The motor (405) is fixedly installed at the bottom of the connecting plate (404).
2. A power distribution box for power construction according to claim 1, characterized in that: The output end of the motor (405) is fixedly connected to the top of the connecting rod (406), the bottom of the connecting rod (406) is fixedly connected to the top of the double-threaded rod (407), the outer wall of the connecting plate (409) is fixedly connected to the inner wall of the housing (1), the bearing (408) is fixedly installed on the top of the connecting plate (409), the bottom of the double-threaded rod (407) is fixedly connected to the inner ring of the bearing (408), and the double-threaded rod (407) passes through the clamping plate (410) and is threadedly connected to the clamping plate (410).
3. A power distribution box for power construction according to claim 2, characterized in that: The top of the limiting rod (411) is fixedly connected to the bottom of the connecting plate one (404), and the bottom of the limiting rod (411) is fixedly connected to the top of the connecting plate two (409). The clamping plate (410) of the limiting rod (411) is slidably connected to the clamping plate (410).
4. A power distribution box for power construction according to claim 1, characterized in that: The inner wall of the box (1) is provided with a fixing mechanism (5). The fixing mechanism (5) includes a frame (501), a pressure plate (502), a connecting rod (503), a pull block (504), and a spring (505). The back of the frame (501) is fixedly connected to the back of the inner wall of the box (1). The pressure plate (502) is located inside the frame (501). The bottom of the connecting rod (503) is fixedly connected to the top center of the pressure plate (502). The top of the connecting rod (503) extends through the top of the inner wall of the frame (501) to the outside of the frame (501).
5. A power distribution box for power construction according to claim 4, characterized in that: The connecting rod (503) is movably connected to the frame (501), and the bottom of the pull block (504) is fixedly connected to the top of the connecting rod (503). The spring (505) is set on the top of the pressure plate (502). One end of the spring (505) is fixedly connected to the top of the inner wall of the frame (501), and the other end is fixedly connected to the top of the pressure plate (502).
6. A power distribution box for power construction according to claim 1, characterized in that: The top of the housing (1) is provided with a heat dissipation mechanism (6), which includes a housing (601), a second motor (602), a second connecting rod (603), a first gear (604), a second gear (605), a rotating rod (606), a second bearing (607), a fan (608), and a round hole (609). The round hole (609) is opened on the top of the housing (1). The housing (601) is fixedly installed on the top of the housing (1). The housing (601) is in the shape of a groove and the opening faces downward.
7. A power distribution box for power construction according to claim 6, characterized in that: The second motor (602) is fixedly installed on the top of the inner wall of the housing (601). The output end of the second motor (602) is fixedly connected to one end of the second connecting rod (603). The other end of the second connecting rod (603) is fixedly connected to the top of the first gear (604). The first gear (604) meshes with the second gear (605). The second bearing (607) is fixedly connected to the top of the inner wall of the housing (601). The bottom of the rotating rod (606) is fixedly connected to the top of the fan (608).
8. A power distribution box for power construction according to claim 7, characterized in that: The top of the rotating rod (606) is fixedly connected to the inner ring of the bearing (607), and the gear (605) is fixedly sleeved on the outer wall of the rotating rod (606).
9. A power distribution box for power construction according to claim 1, characterized in that: A vertical plate (7) is fixedly connected to the top of the box (1), and a rainproof plate (8) is fixedly installed on the top of the vertical plate (7).
10. A power distribution box for power construction according to any one of claims 1-9, a method of using the power distribution box for power construction is now proposed, characterized in that, Includes the following steps: Step 1: Fix the enclosure (1) in a suitable position, and install the relevant electrical equipment on the inner wall of the frame (501). Pull the pull block (504) upward, the pull block (504) pulls the connecting rod (503), the connecting rod (503) pulls the pressure plate (502), and the electrical equipment is placed. Then release the pull block (504) to reset the pressure plate (502), thus facilitating the initial installation of the electrical equipment. Step 2: By starting motor 2 (602), motor 2 (602) drives coupling rod 2 (603) to rotate, coupling rod 2 (603) drives gear 1 (604) to rotate, gear 1 (604) drives gear 2 (605) to rotate, gear 2 (605) drives rotating rod (606) to rotate, and rotating rod (606) drives fan (608) to rotate, thereby achieving the purpose of heat dissipation; Step 3: By starting motor 1 (405), motor 1 (405) drives connecting rod 1 (406) to rotate, connecting rod 1 (406) causes bidirectional threaded rod (407) to rotate, bidirectional threaded rod (407) drives two clamping plates (410) on it to clamp or loosen filter screen (402), thereby achieving the purpose of convenient disassembly and assembly.
Citation Information
Patent Citations
Power distribution box for electric power construction and use method thereof
CN115149443A