Junction box structure with detachable intelligent module

Abstract

The utility model discloses a junction box structure with a detachable intelligent module, which comprises a middle body, a positive pole assembly and a negative pole assembly, the positive pole assembly and the negative pole assembly are arranged on two sides of the middle body, a boss is arranged in the middle of the middle body, a bypass unit module is arranged in the boss, and an intelligent module assembly is buckled on the top of the middle body. The intelligent module assembly comprises a cover plate fixed on the surface of the middle body, a circuit board is arranged on the cover plate, two sides of the circuit board are connected with end heads through conducting strips, the end heads on the same side comprise an input connector and an output connector, and the top of the cover plate is connected with an upper cover. The intelligent module assembly in buckling connection with the intermediate body is convenient to disassemble and assemble, beautiful in appearance, firm in plugging and strong in integrity, the intelligent module can be rapidly installed on the basis of a traditional junction box to realize the function conversion of the junction box, and the economic benefit and the production efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a junction box structure with a detachable intelligent module. Background Art

[0002] With the shortage of traditional chemical energy and the development of new technologies, new energy has been used more and more widely. In view of the characteristics of photovoltaic power generation, such as safety and reliability, low operating costs, easy maintenance and availability everywhere in the world, photovoltaic power generation has developed rapidly in various countries and regions in the world, especially playing an indispensable role in solving the electricity problems in countries or regions with energy shortages.

[0003] In practical applications, the smart junction box is compatible with the traditional junction box. The smart module can be quickly installed on the basis of the traditional junction box to realize the functional conversion of the junction box. However, the overall appearance of the traditional smart junction box is not beautiful, the fixation is not firm, and the integrity is not strong. Utility Model Content

[0004] In order to solve the above technical problems, a junction box structure with a detachable intelligent module is provided.

[0005] To achieve the above-mentioned purpose, the utility model discloses a junction box structure with a detachable intelligent module, including an intermediate body and a positive electrode assembly and a negative electrode assembly arranged on both sides of the intermediate body, a boss is arranged in the middle of the intermediate body, a bypass unit module is arranged in the boss, and an intelligent module assembly is buckled and installed on the top of the intermediate body. The intelligent module assembly includes a cover plate fixed on the surface of the intermediate body, a circuit board is arranged on the cover plate, terminals are connected on both sides of the circuit board through conductive sheets, the terminals located on the same side include an input connector and an output connector, and an upper cover is connected to the top of the cover plate.

[0006] Furthermore, the intermediate body is provided with card slots, and the center lines of the card slots in the same row coincide with the bottom edges of the intermediate body.

[0007] Furthermore, a accommodating cavity for installing the bypass unit module is provided on the cover plate on the side of the bypass unit module close to the negative electrode assembly, a bus bar mounting hole is provided in the middle body at the bottom of the bypass unit module, a positioning hole is provided on the side of the bypass unit module, and an arc-shaped notch is provided on the edge of the circuit board near the positioning hole.

[0008] Furthermore, the bypass unit module is located at the center of the cover plate, a busbar installation hole is opened in the middle body at the bottom of the bypass unit module, and two groups of positioning holes are respectively arranged on both sides of the bypass unit module.

[0009] Furthermore, the mating surfaces of the cover plate and the upper cover are provided with threading holes near the positive electrode assembly and the negative electrode assembly, and the connecting wires at the ends pass through the threading holes and are electrically connected to the circuit board through the conductive sheet.

[0010] Furthermore, a bendable connecting piece is provided at the end of the conductive piece and is buckled and installed in the connecting grooves at both ends of the circuit board.

[0011] Furthermore, a buckle corresponding to the position of the slot and bent upward is provided on the edge of the upper cover, and a protruding block is provided on one side of the buckle close to the intermediate body.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model discloses a junction box structure with a detachable intelligent module. The intelligent module assembly that is snap-connected with the intermediate body is easy to assemble and disassemble, has a beautiful appearance, is firmly plugged in, and has strong integrity. The intelligent module can be quickly installed on the basis of the traditional junction box to realize the functional conversion of the junction box, thereby improving economic benefits and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0015] Figure 2 This is a schematic diagram of the interior of the intelligent module assembly of the utility model.

[0016] Figure 3 This is a schematic diagram of the connection position between the intelligent module component and the intermediate body of the utility model.

[0017] Figure 4 This is a schematic diagram of the interior of the intelligent module assembly of the second embodiment of the present utility model.

[0018] Figure 5 This is a schematic diagram of the overall structure of the third embodiment of the present utility model.

[0019] Figure 6 It is a schematic diagram of the bottom of the intermediate body of the utility model.

[0020] In the figure: 1 is an intermediate body; 11 is a bypass unit module; 12 is a slot; 13 is a busbar mounting hole; 2 is a positive electrode assembly; 3 is a negative electrode assembly; 4 is an intelligent module assembly; 41 is a cover plate; 42 is a receiving cavity; 43 is a circuit board; 44 is an end; 45 is a conductive sheet; 46 is a positioning hole; 47 is an upper cover; 48 is a threading hole; 49 is a buckle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0022] Embodiment 1 of the present utility model, as Figure 1 and Figure 2 As shown, an intermediate body 1 and a positive electrode assembly 2 and a negative electrode assembly 3 are arranged on both sides of the intermediate body 1, a boss is arranged in the middle of the intermediate body 1, a bypass unit module 11 is arranged in the boss, and a smart module assembly 4 is installed on the top of the intermediate body 1 in a snap-fit ​​manner. The smart module assembly 4 includes a cover plate 41 fixed on the surface of the intermediate body 1, a circuit board 43 is arranged on the cover plate 41, and terminals 44 are connected to both sides of the circuit board 43 through conductive sheets 45. The terminals 44 on the same side include an input connector and an output connector. An upper cover 47 is connected to the top of the cover plate 41. The smart module assembly 4 snap-fitted with the intermediate body 1 is easy to assemble and disassemble, has a beautiful appearance, is firmly plugged in, and has strong integrity. The smart module can be quickly installed on the basis of a traditional junction box to achieve functional conversion of the junction box, thereby improving economic benefits and production efficiency.

[0023] The intermediate body 1 is provided with card slots 12 , and the center lines of the card slots 12 in the same row coincide with the edges of the bottom of the intermediate body, which facilitates the snap-fit ​​connection with the buckles on both sides of the upper cover 47 and increases the stability of the connection with the smart module assembly 4 .

[0024] The bypass unit module 11 is located on one side of the negative electrode assembly 3. A diode and a conductive sheet connected to the positive and negative electrodes of the diode are arranged in the bypass unit module 11. A housing cavity 42 for installing the bypass unit module 11 is arranged on the cover plate 41. A positioning hole 46 is arranged on the cover plate 41. An arc-shaped notch is provided at the edge of the circuit board 43 near the positioning hole 46. The bolts at the positioning hole 46 are locked for positioning and installing the circuit board 43, and at the same time play a fool-proof role to prevent the staff from installing it upside down, thereby improving the assembly efficiency. Figure 5 As shown, a busbar mounting hole 13 is opened in the middle body 1 at the bottom of the bypass unit module 11.

[0025] like Figure 3 As shown, the mating surfaces of the cover plate 41 and the upper cover 47 are provided with threading holes 48 near the positive electrode assembly 2 and the negative electrode assembly 3 , and the connecting wires of the terminal 44 pass through the threading holes 48 and are electrically connected to the circuit board 43 through the conductive sheet 45 .

[0026] The conductive sheet 45 is provided with a bendable connecting sheet at the end thereof, which is buckled and installed in the connecting grooves at both ends of the circuit board 43 to improve the connection strength between the conductive sheet 45 and the circuit board 43 and prevent it from falling off.

[0027] The upper cover 47 is provided with a buckle 49 on its edge, which corresponds to the position of the slot 12 and is bent upward. A protruding block is provided on one side of the buckle 49 close to the intermediate body 1, which is convenient for the staff to quickly install and disassemble.

[0028] Embodiment 2 of the present utility model, as Figure 4 As shown, the difference from Example 1 is that the bypass unit module 11 is located in the center of the cover plate, a bus bar mounting hole 13 is opened in the intermediate body 1 at the bottom of the bypass unit module 11, and the circuit board 43 is installed on the top of the bypass unit module 11 and fixedly installed through the positioning holes 46 on both sides, thereby improving the installation stability of the circuit board 43.

[0029] Embodiment 3 of the present utility model, as Figure 5 As shown, the difference from the first embodiment is that the intelligent module assembly 4 is not installed, and the intermediate body 1 is connected to the positive electrode assembly 2 and the negative electrode assembly 3 through the bus bar at the bottom, and the bus bar is not shown in the figure.

[0030] The working principle of this embodiment: when the smart module is not installed, it can be used as a traditional junction box, and after the smart module is installed, it can be used as an intelligent junction box. The smart module and the traditional junction box have good integrity after installation, and the installation is convenient and quick. The overall installation state is a traditional junction box and the smart module snap-fit ​​assembly.

[0031] Several points that need to be explained are: First, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two elements, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change; secondly, in this article, relational terms such as first and second, etc. are only used to distinguish one entity from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities.

[0032] The above examples are merely illustrative of the present utility model and do not constitute a limitation on the protection scope of the present utility model. All designs that are identical or similar to the present utility model fall within the protection scope of the present utility model.

Claims

1. A junction box structure with a detachable intelligent module, comprising an intermediate body (1) and a positive electrode assembly (2) and a negative electrode assembly (3) arranged on both sides of the intermediate body (1), characterized in that: A boss is provided in the middle of the intermediate body (1), a bypass unit module (11) is provided in the boss, an intelligent module assembly (4) is buckled and mounted on the top of the intermediate body (1), the intelligent module assembly (4) comprises a cover plate (41) fixed to the surface of the intermediate body (1), a circuit board (43) is provided on the cover plate (41), terminals (44) are connected to both sides of the circuit board (43) via conductive sheets (45), the terminals (44) located on the same side comprise an input connector and an output connector, and an upper cover (47) is connected to the top of the cover plate (41).

2. A junction box structure with a detachable intelligent module according to claim 1, characterized in that: The intermediate body (1) is provided with slots (12), and the center lines of the slots (12) in the same row coincide with the bottom edge of the intermediate body.

3. A junction box structure with a detachable intelligent module according to claim 1, characterized in that: A accommodating cavity (42) for mounting the bypass unit module (11) is provided on the cover plate (41) on a side of the bypass unit module (11) close to the negative electrode assembly (3); a busbar mounting hole (13) is provided in the intermediate body (1) at the bottom of the bypass unit module (11); a positioning hole (46) is provided on the side of the bypass unit module (11); and an arc-shaped notch is provided on the edge of the circuit board (43) close to the positioning hole (46).

4. A junction box structure with a detachable intelligent module according to claim 1, characterized in that: The bypass unit module (11) is located at the center of the cover plate, a busbar mounting hole (13) is provided in the middle body (1) at the bottom of the bypass unit module (11), and two groups of positioning holes (46) are respectively provided on both sides of the bypass unit module (11).

5. A junction box structure with a detachable intelligent module according to claim 1, characterized in that: A threading hole (48) is provided at a position close to the positive electrode assembly (2) and the negative electrode assembly (3) on the mating surface of the cover plate (41) and the upper cover (47); a connecting wire of the terminal (44) passes through the threading hole (48) and is electrically connected to the circuit board (43) via the conductive sheet (45).

6. A junction box structure with a detachable intelligent module according to claim 5, characterized in that: The ends of the conductive sheets (45) are provided with bendable connecting sheets, which are buckled and mounted in connecting grooves at both ends of the circuit board (43).

7. A junction box structure with a detachable intelligent module according to claim 1, characterized in that: The edge of the upper cover (47) is provided with a buckle (49) corresponding to the position of the buckle slot (12) and bent upwards, and a protruding block is provided on one side of the buckle (49) close to the intermediate body (1).

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