Distributed photovoltaic AC / DC distribution box

By using automated wiring components and pumps to remove dust in the distribution box, the safety hazards caused by electrostatic accumulation in the distribution box are solved, the wiring efficiency and safety are improved, and the stability of the device is improved.

CN119134059APending Publication Date: 2024-12-13SHANDONG EXPRESSWAY INFRASTRUCTURE CONSTR CO LTD +1
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Patent Information

Application Number
CN202411296863.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2024-12-13

AI Technical Summary

Technical Problem

When performing power distribution operations in existing distribution boxes, dust is prone to residual at both ends of the electrical stage, resulting in static accumulation of electricity when the wiring harness is connected, causing safety hazards and easily leading to breakdown equipment.

Method used

A distributed photovoltaic AC and DC distribution box is designed, and the structure of automatic wiring components and pumps to remove dust. The motor drive gear drives the connection components to approach and remove dust in the wiring blocks and wiring ducts, improving wiring efficiency and safety. .

Benefits of technology

It significantly improves wiring efficiency and power distribution safety, reduces the risk of electrostatic breakdown, and improves the overall stability of the device.

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Abstract

The invention provides a distributed photovoltaic AC / DC distribution box, and relates to the technical field of photovoltaic AC / DC distribution boxes, a handle is fixedly connected to the front end face of a bin door, the main body of the handle is of a U-shaped structure with a one-way opening in the rear side, the handle and the bin door jointly form an opening structure, and the handle is fixedly connected to the front end face of the bin door. A main body of the handle is of a U-shaped structure with a one-way opening in the rear side, the handle and the bin door jointly form an opening structure, and by arranging a split connecting assembly A and a split connecting assembly B which can be in butt joint, when the device is used, a motor installed on the outer side of the cabinet body can be started to drive a gear to rotate, so that the device is convenient to use. And the connection assembly A and the connection assembly B are driven to get close to each other through meshing transmission of the gear and the rack fixedly connected to the outer side of the moving frame currently so as to achieve automatic wiring operation, and compared with traditional manual wiring, the wiring efficiency can be remarkably improved through the design, and the overall stability of the device is further improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic AC / DC distribution boxes, and in particular to a distributed photovoltaic AC / DC distribution box. Background Art

[0002] The distribution box is an electrical equipment with the characteristics of small size, easy installation, special technical performance, fixed position, unique configuration function, no site restrictions, wide application, stable and reliable operation, high space utilization, small footprint and environmental protection. When the distribution box is installed, it is often necessary to separate two wire harnesses from different parts for use. When it is used, it is mostly set up as a box structure. When the existing distribution box is used, it is easy to have dust remaining at both ends of the electrode when performing power distribution operations. When the wire harnesses are connected, it is easy to cause dust accumulation between the wire harnesses, resulting in a safety hazard of static electricity. When the wire harnesses are assembled, it is easy to cause the equipment to break down due to the presence of static electricity.

[0003] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a distributed photovoltaic AC and DC distribution box is provided to achieve a more practical purpose. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a distributed photovoltaic AC / DC distribution box to solve the problem that during the existing power distribution operation, dust is easily left at both ends of the electrode, and when the wiring harness is connected, it is easy to cause dust accumulation between the wiring harnesses, resulting in the safety hazard of static electricity, which makes it easy for the wiring harness to break down the equipment due to the presence of static electricity when it is assembled.

[0005] The present invention provides a distributed photovoltaic AC / DC distribution box, specifically comprising: a cabinet, wherein the main body of the cabinet is a box structure with an opening at the front end, and a compartment door is installed at the front end of the cabinet, the compartment door is used to close the cabinet, and the cabinet and the compartment door together form a closed structure, and a through groove is opened inside the compartment door, an observation window is fixedly connected to the inside of the through groove, the observation window and the cabinet together form a closed structure, and a handle is fixedly connected to the front end surface of the compartment door, the main body of the handle is a U-shaped structure with a one-way opening on the rear side, and the handle and the compartment door together form an opening structure.

[0006] Furthermore, a mobile rack is installed inside the guide groove opened in the cabinet, the main body of the mobile rack is arranged longitudinally, and there are four mobile racks in total, wherein every two longitudinally adjacent mobile racks form a group, and the two mobile racks in each group of mobile racks are arranged at different heights, and the two groups of mobile racks are respectively installed at the internal positions of the two groups of guide grooves opened in the cabinet.

[0007] Furthermore, a through hole is opened inside the terminal A, which is the wiring hole A. The wiring hole A and the terminal A together constitute a connection structure for the wiring harness. The inner sides of the two movable frames located on the upper side are fixedly connected with a connection component B. The connection component B is located directly above the connection component A, and the top end surface of the connection component B is fixedly connected with the terminal B in a linear array.

[0008] Furthermore, a longitudinal groove is provided inside the cabinet, which is a guide groove. There are four guide grooves in total, wherein each longitudinally adjacent guide groove forms a group, and two groups of guide grooves are respectively provided on the left and right side surfaces inside the cabinet. The guide groove is a two-way closed structure on the upper and lower sides, and the guide groove is longitudinally arranged. A motor is installed on the outside of the cabinet, and the motor is provided at two locations in total.

[0009] Furthermore, the main body of the connecting component A is a rectangular structure, and the bottom end surface of the connecting component A is fixedly connected with a terminal A, the main body of the terminal A is a cylindrical structure, and the terminal A is fixedly connected to the bottom end surface of the connecting component A in a linear array, the terminal A and the connecting component A together constitute a wiring structure, and a groove is provided on the top end surface of the connecting component A, which is a wiring groove, and the wiring groove and the connecting component A together constitute a wiring structure.

[0010] Furthermore, a slider is fixedly connected to the outer side of the movable frame, and two sliders are fixedly connected to the front and rear sides of each movable frame in opposite directions. The movable frame is slidably connected to the inner position of the guide groove opened in the cabinet through the slider fixedly connected to the outer side thereof. The movable frame and the slider together constitute an adjustment structure, and the inner side positions of every two laterally adjacent movable frames are fixedly connected with a connecting component A.

[0011] Furthermore, the structure of the terminal B is consistent with that of the terminal A, and a through hole is also provided inside the terminal B, which is the terminal hole B. The structure of the terminal hole B is consistent with that of the terminal hole A, and a terminal block is fixedly connected to the bottom end surface of the connecting component B, the main body of the terminal block is a rectangular structure, and the terminal block matches the terminal groove provided on the top end surface of the connecting component A, and the terminal block fixedly connected on the bottom end surface of the connecting component B is in a state of being connected to the terminal groove provided on the top end surface of the connecting component A, the device is in a state of being connected to the power supply, and a through hole is provided on the rear side of the cabinet. The groove is arranged horizontally, and the groove is a guide groove, an adjusting component is installed inside the guide groove, a bearing seat is installed on the left output end of the adjusting component, the bearing seat is located at the inner side of the guide groove, and a sliding member is fixedly connected to the outer side of the bearing seat, and there are two sliding members, and the two sliding members are respectively fixedly connected to the upper and lower side positions of the bearing seat, and a pump is fixedly connected to the front end surface of the bearing seat, and the pump is a front air outlet structure, and a cover is fixedly connected to the outer side of the bearing seat, and there are two covers, and the two covers are respectively fixedly connected to the left and right side positions of the bearing seat.

[0012] Furthermore, the two motors are respectively installed on the left and right side surfaces of the cabinet, and gears are installed on the inner output ends of the two motors. The motor and the gears together constitute a driving structure, and the motor and the gears are located at the center of the left and right longitudinal components in the cabinet.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the present invention, by providing a split connection component A and a connection component B that can be docked, when the device is in use, the motor installed on the outside of the cabinet can be started to drive the gear to rotate, and the gear and the rack currently fixedly connected to the outside of the mobile frame are meshed to drive the connection component A and the connection component B to approach each other to realize automatic wiring operation. Compared with traditional manual wiring, this design can significantly improve the efficiency of wiring and further improve the overall stability of the device.

[0015] 2. In the present invention, a bearing seat and a pump installed on the front end surface of the bearing seat are provided, so that when the device is in use, the bearing seat can be pushed by starting the adjustment component installed in the guide groove, and when the bearing seat moves, the pump fixedly connected to the front end surface of the bearing seat can be synchronously driven to perform synchronous displacement adjustment, and the air outlet position of the current pump can be synchronously adjusted, so that when the current connecting component A and the connecting component B are connected, the dust in the current wiring block and the wiring groove can be quickly cleared synchronously. Compared with the traditional wiring process, this design can easily cause the dust to generate static electricity due to the presence of dust inside the wiring block and the wiring groove, resulting in the potential safety hazard of electrostatic breakdown between the wiring block and the wiring groove. It can significantly improve the power distribution safety of distributed photovoltaics and further improve the overall stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0017] In the attached picture:

[0018] Figure 1 It shows a schematic diagram of the front and side view of a partial structural cutaway state of a distribution box according to an embodiment of the present invention;

[0019] Figure 2 A schematic diagram of a top and side view of a partial structure of a distribution box according to an embodiment of the present invention is shown;

[0020] Figure 3 A schematic diagram of the assembly structure of a distribution box according to an embodiment of the present invention is shown;

[0021] Figure 4 A front structural schematic diagram of a distribution box according to an embodiment of the present invention is shown;

[0022] Figure 5 A schematic diagram of the assembly structure of the connection component B and the terminal B of the distribution box according to an embodiment of the present invention is shown;

[0023] Figure 6 A schematic diagram of the motor and gear assembly structure of a distribution box according to an embodiment of the present invention is shown;

[0024] Figure 7 The distribution box according to the embodiment of the present invention is shown Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 8 The distribution box according to the embodiment of the present invention is shown Figure 2 Enlarged structural diagram at B in the middle.

[0026] Reference numerals list

[0027] 1. Cabinet; 2. Door; 3. Observation window; 4. Handle; 5. Guide groove; 6. Motor; 7. Gear; 8. Moving frame; 9. Slider; 10. Rack; 11. Connection component A; 12. Terminal A; 13. Wiring hole A; 14. Wiring groove; 15. Connection component B; 16. Terminal B; 17. Wiring block; 18. Wiring hole B; 19. Guide groove; 20. Adjustment component; 21. Bearing seat; 22. Sliding part; 23. Pump; 24. Cover. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0029] Embodiment 1:

[0030] As attached Figure 1 To Attachment Figure 8 As shown:

[0031] The present invention provides a distributed photovoltaic AC / DC distribution box, comprising: a cabinet 1, the main body of the cabinet 1 is a box structure with an open front end, and a compartment door 2 is installed at the front end of the cabinet 1, the compartment door 2 is used to close the cabinet 1, and the cabinet 1 and the compartment door 2 together form a closed structure, and a through groove is opened inside the compartment door 2, an observation window 3 is fixedly connected inside the through groove, the observation window 3 and the cabinet 1 together form a closed structure, and a handle 4 is fixedly connected to the front end surface of the compartment door 2, the main body of the handle 4 is a U-shaped structure with a one-way opening on the rear side, and the handle 4 and the compartment door 2 together form an opening structure, the structure of the terminal B16 is consistent with that of the terminal A12, and a through hole is also opened inside the terminal B16, which is a wiring hole B18, and the structure of the wiring hole B18 is consistent with that of the wiring hole A13, and a wiring block 17 is fixedly connected to the bottom end surface of the connecting component B15, the main body of the wiring block 17 is a rectangular structure, and the wiring block 17 is connected to the wiring hole 17 opened at the top of the connecting component A11 The wiring slot 14 on the surface matches, and the wiring block 17 fixedly connected on the bottom end surface of the connecting component B15 is in a connected state with the wiring slot 14 opened on the top surface of the connecting component A11, the device is in a state of being connected to the power supply, and a through slot is opened on the rear side of the cabinet 1, the through slot is arranged horizontally, and the through slot is a guide slot 19, an adjusting component 20 is installed inside the guide slot 19, a bearing seat 21 is installed on the left output end of the adjusting component 20, the bearing seat 21 is located at the inner side of the guide slot 19, and a sliding member 22 is fixedly connected to the outside of the bearing seat 21, there are two sliding members 22, and the two sliding members 22 are respectively fixedly connected to the upper and lower side surfaces of the bearing seat 21, and a pump 23 is fixedly connected to the front end surface of the bearing seat 21, the pump 23 is a forward air outlet structure, and a cover 24 is fixedly connected to the outside of the bearing seat 21, there are two covers 24, and the two covers 24 are respectively fixedly connected to the left and right side surfaces of the bearing seat 21.

[0032] Among them, a movable frame 8 is installed inside the guide groove 5 opened in the cabinet 1, the main body of the movable frame 8 is arranged longitudinally, and there are four movable frames 8 in total, wherein every two longitudinally adjacent movable frames 8 form a group, and the two movable frames 8 in each group of movable frames 8 are arranged in a staggered manner, and the two groups of movable frames 8 are respectively installed in the internal positions of the two groups of guide grooves 5 opened in the cabinet 1, and the outer side of the movable frame 8 is fixedly connected with a slider 9, and the front and rear sides of each movable frame 8 are fixedly connected with two sliders 9 in opposite directions. The movable frame 8 is slidably connected to the internal position of the guide groove 5 opened in the cabinet 1 through the slider 9 fixedly connected to the outer side thereof, and the movable frame 8 and the slider 9 together constitute an adjustment structure, and the inner side position of every two laterally adjacent movable frames 8 is fixedly connected with a connecting component A11.

[0033] During use: When the distribution box is in use, the cabinet body 1 can be assembled by fixing it to the position where it needs to be installed, and then the two sets of wiring harnesses that need to be connected are synchronously connected to the wiring holes A13 and B18 opened in the connection components A11 and B15 respectively. Then, when it is in use, the cabinet door 2 can be folded backward by manually holding the handle 4 fixedly connected to the front end of the cabinet door 2. After the cabinet door 2 is folded backward, the current cabinet body 1 can be quickly closed by utilizing the setting of the observation window 3 fixedly connected to the cabinet door 2.

[0034] Embodiment 2:

[0035] A distributed photovoltaic AC / DC distribution box provided in the first embodiment can realize rapid installation of the current distribution cabinet, but still cannot realize automatic docking of the wiring harness, so the following technical solution is also provided.

[0036] Among them, a longitudinal groove is opened inside the cabinet 1, which is a guide groove 5. There are four guide grooves 5 in total, wherein each longitudinally adjacent guide groove 5 is a group, and two groups of guide grooves 5 are respectively opened on the left and right side surfaces inside the cabinet 1. The guide groove 5 is a two-way closed structure on the upper and lower sides, and the guide groove 5 is longitudinally arranged. A motor 6 is installed on the outside of the cabinet 1. There are two motors 6 in total. The two motors 6 are respectively installed on the left and right side positions of the cabinet 1, and gears 7 are installed on the inner output ends of the two motors 6. The motor 6 and the gear 7 together constitute a driving structure, and the motor 6 and the gear 7 are located at the center position of the left and right longitudinal components in the cabinet 1.

[0037] During use, after the cabinet 1 is closed, if the wiring harness needs to be connected in position, the motor 6 installed on the outside of the cabinet 1 can be started to drive the gear 7 to rotate, and when the two gears 7 rotate, they can be synchronously meshed with the rack 10 fixedly connected to the outside of the mobile frame 8, and the meshing transmission between the gear 7 and the two racks 10 can realize the driving of the connection components A11 and the connection components B15 arranged on the inner sides of the two groups of mobile frames 8 to move upward and downward respectively for automated docking operations, and the wiring block 17 currently fixedly connected to the bottom end face of the connection component B15 is inserted into the wiring slot 14 on the top end face of the connection component A11 for assembly to complete the automated power-on operation.

[0038] Embodiment three:

[0039] A distributed photovoltaic AC / DC distribution box provided in the second embodiment can realize automatic docking of wiring harnesses, but still cannot realize the removal of dust in the wiring area, so the following technical solution is also provided.

[0040] Among them, the main body of the connecting component A11 is a rectangular structure, and the bottom end face of the connecting component A11 is fixedly connected with a terminal A12, the main body of the terminal A12 is a cylindrical structure, and the terminal A12 is fixedly connected to the bottom end face of the connecting component A11 in a linear array, the terminal A12 and the connecting component A11 together constitute a wiring structure, and a groove is provided on the top end face of the connecting component A11, the groove is a wiring groove 14, the wiring groove 14 and the connecting component A11 together constitute a wiring structure, a through hole is provided inside the terminal A12, the through hole is a wiring hole A13, the wiring hole A13 and the terminal A12 together constitute a connection structure for the wiring harness, the inner side of the two movable frames 8 located on the upper side is fixedly connected with a connecting component B15, the connecting component B15 is located directly above the connecting component A11, and the top end face of the connecting component B15 is fixedly connected with a terminal B16 in a linear array.

[0041] During use, when connected, the pump 23 installed on the front end surface of the support seat 21 can be started in advance to extract air from the outside, and the filtered air can be blown to the wiring block 17 currently set on the bottom end surface of the connecting component B15 and the inside of the wiring groove 14 opened on the top surface of the connecting component A11 to quickly remove the dust attached to the surface. When starting, the adjustment component 20 installed in the guide groove 19 can be started synchronously to push the current support seat 21. When the support seat 21 moves, the sliding member 22 fixedly connected to the upper and lower side surfaces of the support seat 21 can be synchronously used to perform a rapid left and right reciprocating sliding operation along the guide groove 19 currently opened in the cabinet 1, so as to drive the pump 23 to move back and forth to achieve the dust cleaning operation.

Claims

1. A distributed photovoltaic AC / DC distribution box, characterized in that: include: A cabinet (1), wherein the main body of the cabinet (1) is a box structure with an opening at the front end, and a door (2) is installed at the front end of the cabinet (1), the door (2) is used to close the cabinet (1), and the cabinet (1) and the door (2) together form a closed structure, and a through groove is provided inside the door (2), an observation window (3) is fixedly connected inside the through groove, and the observation window (3) and the cabinet (1) together form a closed structure, and a handle (4) is fixedly connected on the front end surface of the door (2), the main body of the handle (4) is a U-shaped structure with a one-way opening at the rear side, and the handle (4) and the door (2) together form an opening structure.

2. A distributed photovoltaic AC / DC distribution box as claimed in claim 1, characterized in that: The cabinet (1) is provided with a longitudinal groove inside, the longitudinal groove being a guide groove (5), and the guide grooves (5) are provided at four locations in total, wherein each longitudinally adjacent guide groove (5) forms a group, and two groups of guide grooves (5) are respectively provided on the left and right side surfaces inside the cabinet (1), the guide grooves (5) are a two-way closed structure on the upper and lower sides, and the guide grooves (5) are provided longitudinally, and a motor (6) is installed on the outside of the cabinet (1), and the motor (6) is provided at two locations in total.

3. A distributed photovoltaic AC / DC distribution box as claimed in claim 2, characterized in that: The two motors (6) are respectively mounted on the left and right side surfaces of the cabinet (1), and gears (7) are mounted on the inner output ends of the two motors (6). The motors (6) and the gears (7) together form a drive structure, and the motors (6) and the gears (7) are located at the center of the left and right longitudinal components in the cabinet (1).

4. A distributed photovoltaic AC / DC distribution box as claimed in claim 1, characterized in that: A movable frame (8) is installed inside the guide groove (5) opened in the cabinet (1), the main body of the movable frame (8) is arranged longitudinally, and the movable frame (8) is arranged at four locations in total, wherein two movable frames (8) adjacent to each other longitudinally form a group, and the two movable frames (8) in each group of movable frames (8) are arranged at different heights, and the two groups of movable frames (8) are respectively installed at the internal positions of the two groups of guide grooves (5) opened in the cabinet (1).

5. A distributed photovoltaic AC / DC distribution box as claimed in claim 4, characterized in that: The outer side of the movable frame (8) is fixedly connected to a slider (9), and the front and rear sides of each movable frame (8) are fixedly connected to two sliders (9) in opposite directions. The movable frame (8) is slidably connected to the inner position of the guide groove (5) provided in the cabinet (1) through the sliders (9) fixedly connected to the outer side thereof. The movable frame (8) and the sliders (9) together form an adjustment structure, and the inner sides of every two laterally adjacent movable frames (8) are fixedly connected to a connecting assembly A (11).

6. A distributed photovoltaic AC / DC distribution box as claimed in claim 5, characterized in that: The main body of the connecting component A (11) is a rectangular structure, and a terminal A (12) is fixedly connected to the bottom end surface of the connecting component A (11). The main body of the terminal A (12) is a cylindrical structure, and the terminal A (12) is fixedly connected to the bottom end surface of the connecting component A (11) in a linear array. The terminal A (12) and the connecting component A (11) together form a wiring structure, and a groove is provided on the top end surface of the connecting component A (11), which is a wiring groove (14). The wiring groove (14) and the connecting component A (11) together form a wiring structure.

7. A distributed photovoltaic AC / DC distribution box as claimed in claim 6, characterized in that: A through hole is provided inside the terminal A (12), which is a wiring hole A (13). The wiring hole A (13) and the terminal A (12) together form a connection structure for the wiring harness. A connection component B (15) is fixedly connected to the inner side of the two upper movable frames (8). The connection component B (15) is located directly above the connection component A (11), and the top surface of the connection component B (15) is fixedly connected to the terminal B (16) in a linear array.

8. A distributed photovoltaic AC / DC distribution box as claimed in claim 7, characterized in that: The structure of the terminal B (16) is consistent with that of the terminal A (12), and a through hole is also provided inside the terminal B (16), which is the terminal hole B (18). The structure of the terminal hole B (18) is consistent with that of the terminal hole A (13), and a terminal block (17) is fixedly connected to the bottom end surface of the connecting component B (15), the main body of the terminal block (17) is a rectangular structure, and the terminal block (17) matches the terminal groove (14) provided on the top end surface of the connecting component A (11), and when the terminal block (17) fixedly connected to the bottom end surface of the connecting component B (15) is in a state of being connected to the terminal groove (14) provided on the top end surface of the connecting component A (11), the device is in a state of being connected to the power supply, and a through groove is provided on the rear side of the cabinet (1), and the through groove is horizontally provided. The through groove is a guide groove (19), an adjusting assembly (20) is installed inside the guide groove (19), a bearing seat (21) is installed on the left output end of the adjusting assembly (20), the bearing seat (21) is located at the inner side of the guide groove (19), and a sliding member (22) is fixedly connected to the outer side of the bearing seat (21), the sliding member (22) is provided at two locations, and the two sliding members (22) are respectively fixedly connected to the upper and lower side surfaces of the bearing seat (21), and a pump (23) is fixedly connected to the front end surface of the bearing seat (21), the pump (23) is a front air outlet structure, and a shield (24) is fixedly connected to the outer side of the bearing seat (21), and the shield (24) is provided at two locations, and the two shields (24) are respectively fixedly connected to the left and right side surfaces of the bearing seat (21).