Intelligent combiner box with automatic rotating device
By introducing an automatic rotation device and cable protection components into the photovoltaic combiner box, the performance degradation caused by direct sunlight has been solved, achieving stable rotation and temperature control, extending service life, and reducing the risk of damage.
Patent Information
- Application Number
- CN202520490845.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing photovoltaic combiner boxes are exposed to direct sunlight outdoors for extended periods, which causes a decline in the performance of internal sheet metal and plastic structural components, affecting their service life.
An intelligent combiner box with an automatic rotation device was designed. The rotating component and cable protection component prevent the combiner box from being exposed to direct sunlight, thus protecting its appearance and corrosion resistance. The stable rotation is achieved through wall mounting and motor drive.
It effectively protects the appearance and corrosion resistance of the combiner box, controls the internal temperature, extends its service life, reduces the risk of damage, and is easy to install, low in cost, and occupies little space.
Smart Images

Figure CN223967838U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of photovoltaic power generation technology, specifically to an intelligent combiner box with an automatic rotating device. Background Technology
[0002] In a photovoltaic (PV) power generation system, a combiner box is a wiring device that ensures the orderly connection of PV modules and provides current collection functionality. It facilitates circuit disconnection during maintenance and inspection of the PV system. A certain number of identical PV cells can be connected in series to form PV strings, and then several PV strings can be connected in parallel to the combiner box. After current collection within the combiner box, it is connected to a controller, DC distribution cabinet, PV inverter, and AC distribution cabinet, forming a complete PV power generation system that can be connected to the grid.
[0003] For example, Chinese patent application CN111917372A discloses a DC combiner box, which includes a box body, a switch component with a terminal, a receiving component disposed on the outer wall of the box body, and a live display mounted on the wall of the receiving component; a conductor, one end of which is connected to the terminal of the switch component, and the other end of which penetrates the thickness of the box body wall and extends into the receiving component; wherein, the receiving component is detachably installed on the outer wall of the box body, and the joint between the receiving component and the box body is filled with sealant.
[0004] However, when this DC combiner box is used outdoors, it is exposed to direct sunlight for a long time, which can easily cause a decline in the performance of the internal sheet metal and plastic structural components and affect its service life.
[0005] Based on this, the present invention designs an intelligent combiner box with an automatic rotation device to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides an intelligent combiner box with an automatic rotation device.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A smart combiner box with an automatic rotation device includes a combiner box device and a rotation mounting device.
[0009] The rotating installation device includes a connecting component for installing the combiner box device, a rotating component for driving the combiner box device to rotate, and a cable protection component for protecting exposed cables. The connecting component and the cable protection component are installed at the rear end of the combiner box device. The rear end of the connecting component is connected to the rotating component, and the rotating component is connected to the combiner box device.
[0010] Furthermore, the junction box device includes a housing and a junction body, the junction body is installed inside the housing, the rear end of the housing is connected to the connection component and the cable protection component, and the junction body is connected to the rotating component.
[0011] Furthermore, the outer casing includes a housing and a front cover. The front cover is fitted to the front end of the housing, one end of the front cover is rotatably connected to the housing, the other end of the front cover is locked to the housing, the inner side of the housing is connected to the busbar body, and the rear end of the housing is connected to the connection assembly and the cable protection assembly.
[0012] Furthermore, a cable connector hole is provided at the rear end of the enclosure, and a wire groove is provided on the outer wall of the rear end of the enclosure, with the wire groove located below the cable connector hole.
[0013] Furthermore, the main body of the busbar includes a monitoring device and a communication terminal. The monitoring device is fixedly installed inside the housing, and the communication terminal is fixedly installed on one side of the monitoring device. The monitoring device is electrically connected to the communication terminal and connected to the rotating assembly. Components are fixedly installed inside the main body of the busbar.
[0014] Furthermore, the connecting assembly includes two sets of wall-mounted components arranged symmetrically vertically, two mounting beams, and a fixing pile. Each set of wall-mounted components includes two wall-mounted components arranged symmetrically horizontally. The wall-mounted components are fixedly installed at the rear end of the housing. The two mounting beams are located at the rear ends of the two sets of wall-mounted components and are fixedly connected to the wall-mounted components by bolts. The rear ends of the two mounting beams are fixedly connected to the fixing pile by clamps. The fixing pile is connected to the rotating assembly.
[0015] Furthermore, the rotating assembly includes a rotating shaft, a conductive slip ring, a motor, and a fixed bracket. The rotating shaft is fixedly connected to a fixed pile, the right end of the rotating shaft is fixedly connected to the output end of the motor, the rotating shaft is rotatably connected to the fixed bracket, the conductive slip ring is sleeved on the outside of the rotating shaft, the fixed end of the conductive slip ring is fixedly connected to the fixed bracket, the rotating end of the conductive slip ring is fixedly connected to the rotating shaft, the motor is fixedly mounted on the fixed bracket, the fixed bracket is fixedly mounted on the ground, and the monitoring equipment is electrically connected to the motor.
[0016] Furthermore, the cable protection assembly includes a top cover and a sealing cover. The top cover is slidably mounted on the rear end of the housing, and the sealing cover is located at the lower end of the top cover and snaps into it. The top cover and the sealing cover have through holes through which the rotating end interface of the conductive slip ring passes to protect the interface part of the conductive slip ring. A locking block is fixedly installed on the outer side of the sealing cover, and a locking groove is opened on the inner side of the top cover to engage with the sealing cover. A slide rail is fixedly installed at the rear end of the housing in conjunction with the top cover.
[0017] Compared with the prior art, the advantages of this utility model are as follows:
[0018] 1. By setting up the rotating component, the combiner box device can be rotated, thereby avoiding continuous exposure of the combiner box device to direct sunlight, effectively protecting the appearance and corrosion resistance of the combiner box device, effectively controlling the internal temperature of the combiner box device, reducing damage caused by excessive temperature, and improving the service life of the combiner box device.
[0019] 2. With the installation of wall mounts, mounting beams and fixing posts, the installation is convenient and stable. It rotates with the motor and rotating shaft. The overall cost is low and the space occupied is small. The installation of the top cover and sealing cover protects the cables leading out from the inside of the box and prevents the cables from being exposed and damaged during the rotation of the box. Attached Figure Description
[0020] Figure 1 This utility model relates to a three-dimensional intelligent combiner box with an automatic rotating device. Figure 1 .
[0021] Figure 2 This is a front view of an intelligent combiner box with an automatic rotating device according to this utility model.
[0022] Figure 3 This utility model relates to a three-dimensional intelligent combiner box with an automatic rotating device. Figure 2 .
[0023] Figure 4 This utility model relates to a three-dimensional intelligent combiner box with an automatic rotating device. Figure 3 .
[0024] Figure 5 for Figure 4 Enlarged view of point A in the middle.
[0025] Figure 6 This is a partial perspective view of an intelligent combiner box with an automatic rotating device according to the present invention.
[0026] Figure 7 for Figure 6 Enlarged view of point B in the middle.
[0027] The reference numerals in the attached figures represent:
[0028] 1. Combiner box device; 11. Outer shell; 111. Box body; 112. Front cover; 113. Cable connector hole; 114. Cable trough; 12. Combiner body; 122. Monitoring equipment; 123. Communication terminal; 2. Rotary mounting device; 21. Connecting assembly; 211. Wall mount; 212. Mounting beam; 213. Fixing post; 22. Rotating assembly; 221. Rotating shaft; 223. Conductive slip ring; 224. Motor; 225. Fixing bracket; 23. Cable protection assembly; 231. Top cover; 232. Sealing cover; 24. Auxiliary fixing assembly; 241. Connecting plate; 242. Fixing frame. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.
[0030] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.
[0031] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-7 A smart combiner box with an automatic rotating device includes a combiner box device 1 and a rotating mounting device 2;
[0032] The rotating installation device 2 includes a connecting component 21 for installing the combiner box device 1, a rotating component 22 for driving the combiner box device 1 to rotate, and a cable protection component 23 for protecting the exposed cables. The connecting component 21 and the cable protection component 23 are installed at the rear end of the combiner box device 1. The rear end of the connecting component 21 is connected to the rotating component 22, and the rotating component 22 is connected to the combiner box device 1.
[0033] When the intelligent combiner box with automatic rotation device is in normal use, the combiner box device 1 is installed on the rotating component 22 through the connecting component 21. The operator sends a rotation signal to the combiner box device 1, and the combiner box device 1 sends the rotation signal to the rotating component 22, which starts the rotating component 22 to drive the combiner box device 1 to rotate. The cable protection component 23 protects the exposed cables in the combiner box device 1. The setting of the rotating component 22 allows the combiner box device 1 to rotate, thereby avoiding the combiner box device 1 from continuous exposure to direct sunlight, effectively protecting the appearance and corrosion resistance of the combiner box device 1, effectively controlling the internal temperature of the combiner box device 1, reducing damage caused by excessive temperature, and improving the service life of the combiner box device 1.
[0034] The junction box device 1 includes a housing 11 and a junction body 12. The junction body 12 is installed inside the housing 11. The rear end of the housing 11 is connected to the connecting component 21 and the cable protection component 23. The junction body 12 is connected to the rotating component 22.
[0035] The outer casing 11 includes a housing 111 and a front cover 112. The front cover 112 is fitted to the front end of the housing 111. One end of the front cover 112 is rotatably connected to the housing 111, and the other end of the front cover 112 is locked to the housing 111. The inner side of the housing 111 is connected to the busbar body 12, and the rear end of the housing 111 is connected to the connection component 21 and the cable protection component 23.
[0036] The rear end of the housing 111 is provided with a cable connector hole 113, and the outer wall of the rear end of the housing 111 is provided with a wire groove 114, which is located below the cable connector hole 113.
[0037] The main body 12 includes a monitoring device 122 and a communication terminal 123. The monitoring device 122 is fixedly installed inside the housing 111, and the communication terminal 123 is fixedly installed on one side of the monitoring device 122. The monitoring device 122 is electrically connected to the communication terminal 123. The monitoring device 122 is connected to the rotating component 22. Components are fixedly installed inside the main body 12. The monitoring device 122 is a central control box.
[0038] The connecting assembly 21 includes two sets of wall-mounted components 211 arranged symmetrically in the upper and lower positions, two mounting beams 212, and a fixing post 213. Each set of wall-mounted components 211 includes two wall-mounted components 211 arranged symmetrically in the left and right positions. The wall-mounted components 211 are fixedly installed at the rear end of the housing 111. The two mounting beams 212 are located at the rear end of the two sets of wall-mounted components 211 and are fixedly connected to the wall-mounted components 211 by bolts. The rear end of the two mounting beams 212 are fixedly connected to the fixing post 213 by clamps. The fixing post 213 is connected to the rotating assembly 22.
[0039] The rotating assembly 22 includes a rotating shaft 221, a conductive slip ring 223, a motor 224, and a fixed bracket 225. The rotating shaft 221 is fixedly connected to the fixed pile 213. The right end of the rotating shaft 221 is fixedly connected to the output end of the motor 224. The rotating shaft 221 is rotatably connected to the fixed bracket 225. The conductive slip ring 223 is sleeved on the outside of the rotating shaft 221. The fixed end of the conductive slip ring 223 is fixedly connected to the fixed bracket 225. The rotating end of the conductive slip ring 223 is fixedly connected to the rotating shaft 221. The motor 224 is fixedly mounted on the fixed bracket 225. The fixed bracket 225 is fixedly mounted on the ground. The monitoring device 122 is electrically connected to the motor 224.
[0040] The cable protection assembly 23 includes an upper cover 231 and a sealing cover 232. The upper cover 231 is slidably installed at the rear end of the housing 111. The sealing cover 232 is located at the lower end of the upper cover 231 and is snapped into the upper cover 231. The upper cover 231 and the sealing cover 232 have through holes through which the rotating end interface of the conductive slip ring 223 passes to protect the interface part of the conductive slip ring 223. A locking block is fixedly installed on the outer side of the sealing cover 232. A locking groove is opened on the inner side of the upper cover 231 to engage with the sealing cover 232. The upper cover 231 and the sealing cover 232 are located outside the cable connector through hole 113 and the cable groove 114. A slide rail is fixedly installed at the rear end of the housing 111 in conjunction with the upper cover 231. The conductive slip ring 223 is a through-hole conductive slip ring.
[0041] The rotating mounting device 2 also includes an auxiliary fixing component 24, which includes a connecting plate 241 and a fixing frame 242. The connecting plate 241 is fixedly installed at the rear end of the housing 111, and the fixing frame 242 is fixedly installed at the left end of the rotating shaft 221. The connecting plate 241 and the fixing frame 242 are fixedly connected by bolts.
[0042] When the intelligent combiner box with automatic rotation device is in normal use, the box body 111 is fixed to the front end of the mounting beam 212 via the wall mount 211, and the mounting beam 212 is fixed to the front end of the fixing pile 213 via the clamp. The cables inside the box body 111 are led out through the cable connector hole 113 and the cable channel 114 and connected to the rotating end interface of the conductive slip ring 223. The top cover 231 is slid from top to bottom, and then the sealing cover 232 is snapped onto the inside of the top cover 231 from bottom to top. The top cover 231 and the sealing cover 232 wrap the cables. When the photovoltaic module automatically rotates with the angle of direct sunlight, it feeds back information to the staff. The staff sends a signal to the communication terminal 123, and the communication terminal 123 transmits the signal to... The monitoring device 122 sends a signal to the motor 224, which starts and drives the rotating shaft 221 to rotate. The rotating shaft 221 sequentially drives the fixed pile 213, the mounting beam 212, the wall mount 211, and the housing 111 to rotate. The connecting plate 241 and the fixing frame 242 provide auxiliary support during rotation. The installation is convenient and stable due to the wall mount 211, the mounting beam 212, and the fixed pile 213. The overall cost is low and the space occupied is small. The cables leading out from the inside of the housing 111 are protected by the cooperation of the top cover 231 and the sealing cover 232 to prevent the exposed cables from being damaged during the rotation of the housing 111.
[0043] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A smart combiner box with an automatic rotating device, comprising a combiner box device (1), characterized in that: It also includes a rotating mounting device (2); The rotating installation device (2) includes a connecting component (21) for installing the combiner box device (1), a rotating component (22) for rotating the combiner box device (1), and a cable protection component (23) for protecting the exposed cables. The connecting component (21) and the cable protection component (23) are installed at the rear end of the combiner box device (1). The rear end of the connecting component (21) is connected to the rotating component (22), and the rotating component (22) is connected to the combiner box device (1).
2. The intelligent combiner box with an automatic rotating device according to claim 1, characterized in that, The junction box device (1) includes a housing (11) and a junction body (12). The junction body (12) is installed inside the housing (11). The rear end of the housing (11) is connected to the connecting component (21) and the cable protection component (23). The junction body (12) is connected to the rotating component (22).
3. The intelligent combiner box with an automatic rotating device according to claim 2, characterized in that, The outer casing (11) includes a housing (111) and a front cover (112). The front cover (112) is fitted to the front end of the housing (111). One end of the front cover (112) is rotatably connected to the housing (111), and the other end of the front cover (112) is locked to the housing (111). The inner side of the housing (111) is connected to the busbar body (12), and the rear end of the housing (111) is connected to the connecting component (21) and the cable protection component (23).
4. The intelligent combiner box with an automatic rotating device according to claim 3, characterized in that, The rear end of the enclosure (111) is provided with a cable connector through hole (113), and the outer wall of the rear end of the enclosure (111) is provided with a wire groove (114), which is located below the cable connector through hole (113).
5. The intelligent combiner box with an automatic rotating device according to claim 3, characterized in that, The main body (12) includes a monitoring device (122) and a communication terminal (123). The monitoring device (122) is fixedly installed inside the housing (111), and the communication terminal (123) is fixedly installed on one side of the monitoring device (122). The monitoring device (122) is electrically connected to the communication terminal (123). The monitoring device (122) is connected to the rotating assembly (22). Components are fixedly installed inside the main body (12).
6. The intelligent combiner box with an automatic rotating device according to claim 5, characterized in that, The connecting component (21) includes two sets of wall-mounted components (211) arranged symmetrically in the upper and lower positions, two mounting beams (212) and a fixing pile (213). Each set of wall-mounted components (211) includes two wall-mounted components (211) arranged symmetrically in the left and right positions. The wall-mounted components (211) are fixedly installed at the rear end of the box (111). The two mounting beams (212) are located at the rear end of the two sets of wall-mounted components (211) and are fixedly connected to the wall-mounted components (211) by bolts. The rear end of the two mounting beams (212) is fixedly connected to the fixing pile (213) by clamps. The fixing pile (213) is connected to the rotating component (22).
7. The intelligent combiner box with an automatic rotating device according to claim 6, characterized in that, The rotating assembly (22) includes a rotating shaft (221), a conductive slip ring (223), a motor (224), and a fixed bracket (225). The rotating shaft (221) is fixedly connected to the fixed pile (213). The right end of the rotating shaft (221) is fixedly connected to the output end of the motor (224). The rotating shaft (221) is rotatably connected to the fixed bracket (225). The conductive slip ring (223) is sleeved on the outside of the rotating shaft (221). The fixed end of the conductive slip ring (223) is fixedly connected to the fixed bracket (225). The rotating end of the conductive slip ring (223) is fixedly connected to the rotating shaft (221). The motor (224) is fixedly installed on the fixed bracket (225). The fixed bracket (225) is fixedly installed on the ground. The monitoring device (122) is electrically connected to the motor (224).
8. The intelligent combiner box with an automatic rotating device according to claim 7, characterized in that, The cable protection assembly (23) includes an upper cover (231) and a sealing cover (232). The upper cover (231) is slidably installed at the rear end of the housing (111). The sealing cover (232) is located at the lower end of the upper cover (231) and is engaged with the upper cover (231). The upper cover (231) and the sealing cover (232) are provided with through holes through which the rotating end interface of the conductive slip ring (223) passes to protect the interface part of the conductive slip ring (223). A locking block is fixedly provided on the outer side of the sealing cover (232). A locking groove is provided on the inner side of the upper cover (231) to engage with the sealing cover (232). A slide rail is fixedly provided at the rear end of the housing (111) in conjunction with the upper cover (231).
Citation Information
Patent Citations
DC combiner box
CN111917372A