CN220475728U - Photovoltaic system control safety junction box - Google Patents
Photovoltaic system control safety junction box Download PDFInfo
- Publication number
- CN220475728U CN220475728U CN202322041444.7U CN202322041444U CN220475728U CN 220475728 U CN220475728 U CN 220475728U CN 202322041444 U CN202322041444 U CN 202322041444U CN 220475728 U CN220475728 U CN 220475728U
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- fixedly connected
- junction box
- system control
- cover plate
- upper cover
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- 230000000694 effects Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a photovoltaic system control safety junction box, which relates to the technical field of system control and comprises a sunshade, wherein one side of the sunshade is fixedly connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with an upper cover plate, the top of the upper cover plate is fixedly connected with a buckle, and the bottom of the upper cover plate is fixedly connected with a connecting sheet; the utility model relates to a safety junction box, which comprises a connecting piece, wherein a lower main board is fixedly connected to the bottom of the connecting piece, the lower main board comprises a cylindrical support, the upper surface of the cylindrical support is fixedly connected with a terminal board, one side of the terminal board is fixedly connected with a bus bar, one side of the bus bar is fixedly connected with a temperature sensor, and the other side of the bus bar is fixedly connected with a lightning protection device.
Description
Technical Field
The utility model relates to the technical field of system control, in particular to a photovoltaic system control safety junction box.
Background
The junction box of the photovoltaic module has the main functions of connecting and protecting the solar photovoltaic module and conducting current generated by the photovoltaic module. The junction box of the photovoltaic module is an important component of the solar cell module, is a comprehensive product with integrated gas collection design, mechanical design and material application, and provides a combined connection scheme of the solar photovoltaic module for users.
The solar cell module junction box is a connector between a solar cell matrix formed by the solar cell modules and a solar charging control device, and is mainly used for connecting electric power generated by the solar cells with an external circuit. The terminal box is stuck together through the backplate of silica gel and subassembly, and the lead-out wire in the subassembly is in the same place through the internal circuit link in the terminal box, and internal circuit links together with outside cable, makes subassembly and outside cable switch on.
The general photovoltaic module junction box is installed outside a building, but some junction boxes are installed in a more severe natural environment, so that the junction box is greatly damaged physically, such as by lightning interference, external temperature interference and the like, and the circuit is easily damaged, so that the junction box is not operated any more.
Disclosure of Invention
The utility model provides a photovoltaic system control safety junction box to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a photovoltaic system control safety junction box comprising a sunshade: a rotating shaft is fixedly connected to one side of the sunshade, an upper cover plate is fixedly connected to the bottom of the rotating shaft, a buckle is fixedly connected to the top of the upper cover plate, and a connecting sheet is fixedly connected to the bottom of the upper cover plate;
the bottom fixedly connected with lower mainboard of connection piece, lower mainboard contains the cylinder support, the last fixed surface of cylinder support is connected with the terminal block, one side fixedly connected with busbar of terminal block, one side fixedly connected with temperature sensor of busbar, the opposite side fixedly connected with lightning protection device of busbar, the front end fixedly connected with bolt of busbar, one side fixedly connected with first cable bolt, second cable bolt and draw-in groove of lower mainboard.
According to the technical scheme, the sunshade comprises a sunshade structure formed by the sunshade cover and the upper cover plate through the rotating shaft, and the sunshade cover is positioned right above the upper cover plate.
By adopting the technical scheme, the sunshade in the scheme can completely cover the safety junction box, reduce sunlight contacted by the safety junction box, and is favorable for prolonging the service life of the safety junction box.
The technical scheme of the utility model is further improved as follows: the temperature sensor forms a closed circuit structure with the bus bar through the connecting bar, and one side of the temperature sensor is fixedly connected with the connecting bar.
By adopting the technical scheme, the temperature sensor in the scheme can measure the temperature of the whole circuit, and when the temperature reaches the self-ignition circuit or is closed, the temperature sensor can be automatically powered off, so that the occurrence probability of outdoor dangerous events is reduced.
The technical scheme of the utility model is further improved as follows: the lightning protection device forms a closed circuit structure through the connecting strip and the bus bar, and one side of the lightning protection device is fixedly connected with the connecting strip.
By adopting the technical scheme, the lightning protection device in the scheme can control the instantaneous overcurrent and the voltage suddenly entering on the wire loop and the signal transmission line within the range which can be born by equipment, or introduce strong lightning current into the ground, so that the equipment or the system can safely and stably work, and the equipment or the system cannot be damaged due to impact.
The technical scheme of the utility model is further improved as follows: the upper cover plate forms a buckling structure through the buckling and the clamping groove, and one side of the clamping groove is tightly attached to one side of the lower main board.
By adopting the technical scheme, the safety junction box can be wrapped by the buckle structure in the scheme, so that the interference of external physical factors is reduced, and the protection of a circuit in the safety junction box is facilitated.
The technical scheme of the utility model is further improved as follows: the bus bar forms an integrated structure with the terminal board, the temperature sensor and the lightning protector through the connecting bar, and the bottom of the connecting bar is tightly attached to the upper surface of the bus bar.
By adopting the technical scheme, the bus bar in the scheme is used for carrying out serial connection on the terminal board, the temperature sensor and the lightning protection device, so that the parallelism of a circuit is effectively improved, and the effect of saving electricity is achieved.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a photovoltaic system control safety junction box, which adopts the cooperation arrangement of a circuit and a temperature sensor, and the temperature sensor measures the temperature of the circuit in the safety junction box in real time, so that the problem of circuit short circuit caused by overhigh temperature is solved, and the effect of protecting the circuit is achieved.
2. The utility model provides a photovoltaic system control safety junction box, which adopts the matching arrangement of a circuit and a lightning arrester, solves the problem of interference to current in the circuit when external lightning occurs, and can introduce external current into the ground through the lightning arrester, thereby achieving the effect of protecting the safety junction box.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the upper part structure of the present utility model;
fig. 3 is a schematic view of the structure of the safety junction box.
In the figure: 1. a sunshade cover; 2. a rotating shaft; 3. an upper cover plate; 4. a buckle; 5. a connecting sheet; 6. a lower main board; 6001. a cylindrical support; 6002. a terminal plate; 6003. a temperature sensor; 6004. a lightning arrester; 6005. a bolt; 6006. a bus bar; 6007. a connecting strip; 7. a first cable bolt; 8. a second cable bolt; 9. a clamping groove.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1 to 3, the utility model provides a photovoltaic system control safety junction box, one side of a sunshade 1 is fixedly connected with a rotating shaft 2, the bottom of the rotating shaft 2 is fixedly connected with an upper cover plate 3,
the top of the upper cover plate 3 is fixedly connected with a buckle 4, and the bottom of the upper cover plate 3 is fixedly connected with a connecting sheet 5;
the bottom fixedly connected with lower mainboard 6 of connection piece 5, lower mainboard 6 contains cylinder support 6001, the last fixed surface of cylinder support 6001 is connected with terminal plate 6002, one side fixedly connected with busbar 6006 of terminal plate 6002, one side fixedly connected with temperature sensor 6003 of busbar 6006, the opposite side fixedly connected with lightning protection device 6004 of busbar 6006, the front end fixedly connected with bolt 6005 of busbar 6006, one side fixedly connected with first cable bolt 7 of lower mainboard 6, second cable bolt 8 and draw-in groove 9.
In this embodiment, the cooperation setting of circuit and temperature sensor 6003 is adopted, and temperature sensor 6003 measures the circuit temperature in the safety junction box in real time, has solved the problem that leads to the circuit short circuit because of the high temperature, has reached protection circuit's effect, adopts the cooperation setting of circuit and arrester 6004, has solved the interference to the electric current in the circuit when external has the thunder and lightning condition to take place and can introduce external electric current into the earth through the arrester, has reached protection safety junction box's effect.
Example 2
As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the sunshade 1 forms a sunshade structure with the upper cover plate 3 through the rotating shaft 2, the sunshade 1 is located right above the upper cover plate 3, the temperature sensor 6003 forms a closed circuit structure with the bus bar 6006 through the connecting bar 6007, one side fixedly connected with connecting bar 6007 of the temperature sensor 6003, the upper cover plate 3 forms a buckling structure with the clamping groove 9 through the buckle 4, one side of the clamping groove 9 is tightly attached to one side of the lower main board 6.
In this embodiment, the sunshade 1 can cover the safety junction box completely, reduce the sunshine that the safety junction box contacted, be favorable to improving the life of safety junction box, temperature sensor 6003 can measure the temperature of whole circuit, and temperature sensor can be independent outage when the temperature reaches can spontaneous combustion circuit or closed circuit, reduces the probability that outdoor dangerous incident takes place.
Example 3
As shown in fig. 1-3, on the basis of embodiment 1 and embodiment 2, the present utility model provides a technical solution: preferably, the lightning protection device 6004 forms a closed circuit structure with the bus bar 6006 through the connecting bar 6007, one side fixedly connected with connecting bar 6007 of lightning protection device 6004, and the bus bar 6006 forms integrated structure with terminal plate 6002, temperature sensor 6003, lightning protection device 6004 through connecting bar 6007, and the bottom of connecting bar 6007 closely laminates with the upper surface of bus bar 6006.
In this embodiment, the lightning protection device 6004 can control the instantaneous overcurrent and voltage suddenly entering on the wire loop and the signal transmission line within the range that the equipment can bear, or introduce strong lightning current into the ground, ensure that the equipment or the system can work safely and stably, can not damage due to impact, and the bus bar 6006 connects the terminal plate 6002, the temperature sensor 6003 and the lightning protection device 6004 in a serial way, thereby effectively improving the parallelism of the circuit and achieving the effect of saving electricity.
The working principle of the photovoltaic system control safety junction box is specifically described below.
As shown in fig. 1-3, the solar junction box can generate current under illumination with certain intensity, and the electric appliance can be powered by connecting the first cable bolt 7 and the second cable bolt 8 to the electric appliance, the temperature sensor 6003 always works in a circuit, the temperature sensor 6003 detects the temperature of the circuit, the lightning arrester 6004 always works in the circuit, and whether the current in the outside can damage the circuit is detected.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a photovoltaic system control safety terminal box, includes sunshade (1), its characterized in that: one side of the sunshade (1) is fixedly connected with a rotating shaft (2), the bottom of the rotating shaft (2) is fixedly connected with an upper cover plate (3), the top of the upper cover plate (3) is fixedly connected with a buckle (4), and the bottom of the upper cover plate (3) is fixedly connected with a connecting sheet (5);
the bottom fixedly connected with lower mainboard (6) of connection piece (5), lower mainboard (6) contain cylinder support (6001), the last fixed surface of cylinder support (6001) is connected with terminal board (6002), one side fixedly connected with busbar (6006) of terminal board (6002), one side fixedly connected with temperature sensor (6003) of busbar (6006), the opposite side fixedly connected with lightning protection device (6004) of busbar (6006), the front end fixedly connected with bolt (6005) of busbar (6006), one side fixedly connected with first cable bolt (7), second cable bolt (8) and draw-in groove (9) of lower mainboard (6).
2. The photovoltaic system control safety junction box of claim 1, wherein: the sunshade structure is formed by the sunshade cover (1) and the upper cover plate (3) through the rotating shaft (2), and the sunshade cover (1) is positioned right above the upper cover plate (3).
3. The photovoltaic system control safety junction box of claim 1, wherein: the temperature sensor (6003) and the bus bar (6006) form a closed circuit structure through the connecting bar (6007), one side fixedly connected with connecting bar (6007) of temperature sensor (6003).
4. The photovoltaic system control safety junction box of claim 1, wherein: the lightning protection device (6004) forms a closed circuit structure with the bus bar (6006) through the connecting bar (6007), one side fixedly connected with connecting bar (6007) of lightning protection device (6004).
5. The photovoltaic system control safety junction box of claim 1, wherein: the upper cover plate (3) and the clamping groove (9) form a clamping structure through the clamping buckle (4), and one side of the clamping groove (9) is tightly attached to one side of the lower main plate (6).
6. The photovoltaic system control safety junction box of claim 1, wherein:
bus bar (6006) constitutes integrated structure through connecting bar (6007) and terminal plate (6002), temperature sensor (6003), lightning protection device (6004), the bottom of connecting bar (6007) is closely laminated with the upper surface of bus bar (6006).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041444.7U CN220475728U (en) | 2023-08-01 | 2023-08-01 | Photovoltaic system control safety junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041444.7U CN220475728U (en) | 2023-08-01 | 2023-08-01 | Photovoltaic system control safety junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220475728U true CN220475728U (en) | 2024-02-09 |
Family
ID=89805008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322041444.7U Active CN220475728U (en) | 2023-08-01 | 2023-08-01 | Photovoltaic system control safety junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220475728U (en) |
-
2023
- 2023-08-01 CN CN202322041444.7U patent/CN220475728U/en active Active
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