CN220830282U - Novel three-split junction box - Google Patents

Abstract

The utility model discloses a novel three-split junction box, which comprises a plurality of independent split junction boxes, wherein the split junction boxes are divided into an anode junction box, a middle junction box and a cathode junction box, the anode junction box, the middle junction box and the cathode junction box all comprise box bodies, the upper ends of the box bodies are open ends, limiting strips are symmetrically arranged on the front wall and the rear wall of the inside of the box bodies, and a heat dissipation channel is formed between the limiting strips.

Description

Novel three-split junction box

Technical Field

The utility model belongs to the technical field of photovoltaic power connection boxes, and particularly relates to a novel three-split junction box.

Background

At present, the power of the photovoltaic module is larger and larger, the voltage and the current are increased, and higher requirements are put on the junction box. The bypass diode such as TO-263 and R6 used in the conventional junction box at present cannot meet the requirement of high current, so that in order TO increase the heat dissipation capacity of the bypass diode, the overall dimension of the junction box is not enlarged, the assembly cost and the running risk of a power station are reduced, and a novel junction box needs TO be developed for matching the high-power assembly.

Therefore, the combined high-power photovoltaic module junction box with the bulletin number of CN218387423U comprises a plurality of split junction boxes, wherein the split junction boxes are divided into an anode junction box, a cathode junction box and N middle junction boxes, each split junction box comprises a box body, an upper cover, a conductive support, a cable and a cable pressing block, a fixing column is arranged in the box body, the cable stretches into the box body and is electrically connected with the conductive support, pouring sealant is filled in a gap space in the box body, and the upper cover is buckled at the opening end of the box body. Based on the above, the user can be according to actual demand, under the condition that does not increase single box body size, constitute high-power photovoltaic module and connect the electric box, 360 no dead angles are filled in the box body to the casting glue, form preceding, back, left, right, upper and lower three-dimensional radiating effect, make the rated current increase of terminal box, can match high-power, heavy current solar module.

However, for the combined high-power photovoltaic module junction box, through optimizing the box body and the conductive bracket, the potting adhesive is filled in the box body at 360 degrees without dead angles, so that the three-dimensional heat dissipation effects of front, back, left, right, upper and lower are formed, and the following obvious defects still exist in the use process: however, the bypass diode is arranged on the bottom surface of the conductive bracket, and after the conductive bracket is installed in the box body, the front side and the rear side of the conductive bracket are clung to the front inner wall and the rear inner wall of the box body, so that the bypass diode can only perform heat-sinking from the left side and the right side of the conductive bracket when working, and the three-dimensional heat-sinking of the bypass diode by the box body by 360 degrees cannot be realized.

Disclosure of utility model

The utility model aims to provide a novel three-split junction box so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel trisomy terminal box, includes a plurality of independent components of a whole that can function independently cable box, and a plurality of components of a whole that can function independently cable box divide into anodal terminal box, well utmost point terminal box and negative terminal box, anodal terminal box, well utmost point terminal box and negative terminal box all are including the box body, the upper end of box body is the open end, all symmetry is provided with restriction slat on the inside front and back wall of box body, and is formed with the heat dissipation passageway between the restriction slat, the inside bottom of box body is provided with module joint installation department, the joint is fixed with module integration diode on the module joint installation department, the both ends of module integration diode all are connected with the crimping buckle pipe that the sinle silk of cable is connected, the outside one end of box body that anodal terminal box, negative terminal box include all is provided with the cable and penetrates the inside fixed cable crimping portion of cable penetration box body, the inside through-hole that the cable penetrates to be fixed with the cable crimping fixed block, the tip opening of box body closes the upper cover.

Preferably, the L-shaped blocking plates for blocking and protecting the cable access box body are arranged at the four inner corner ends of the box body, so that the whole structure of the box body has good impact resistance and is more durable.

Preferably, after the module integrated diode is clamped and fixed on the module clamping and mounting part, the module integrated diode is limited and fixed in the box body through the limiting strip plate, so that the module integrated diode can be positioned at a processing position in the box body, and the module integrated diode can conveniently dissipate heat in all directions.

Preferably, the upper cover both ends are provided with elastic clamping pieces, the inside left and right ends of box body all are equipped with the fixture block, the upper cover passes through elastic clamping pieces and fixes under the joint cooperation of fixture block in box body tip inboard to install the inside at the box body with module integration diode, make things convenient for the access connection of cable.

Preferably, four corners of module joint installation department are provided with the location stand, all symmetry is provided with the location through-hole with location stand looks adaptation grafting location on the crimping buckle pipe at module integration diode both ends, improves the firm stability of module integration diode in the inside box body.

The utility model has the technical effects and advantages that: this novel trisomy terminal box, the front and back side of module integration diode is spacing tight through the restriction slat that the inside both sides wall of box body set up, restrict the slat and make the front and back side of module integration diode and box body inner wall between form the heat dissipation passageway moreover, thereby let the module integration diode dispel the heat in the inside realization each position of box body, and then improve the omnidirectional three-dimensional radiating effect of this terminal box, further improved terminal box life, and after having solved the conductive support in the contrast file is installed to the box body inside, make conductive support front and back side for hugging closely on the inside front and back inner wall of box body, thereby work only can carry out the fan heat from conductive support's left and right sides at bypass diode, and can't realize the three-dimensional fan heat problem of box body 360 degrees to bypass diode.

According to the utility model, through the design of the independent split line boxes of the positive electrode junction box, the middle electrode junction box and the negative electrode junction box, after heat is dispersed, the heat is separated, the effect of the whole current of the junction box is improved under the condition of the same diode after the heat is separated, the positive and negative electrodes of the positive electrode junction box, the middle electrode junction box and the negative electrode junction box are used for protecting the positive and negative electrodes of the battery pieces of the assembly, the reverse flow phenomenon generated by the battery pieces during shading is prevented, and the junction box has the effect of preventing reverse flow, so that the positive current conduction of the assembly is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a front view of the interior of the case of the present utility model.

In the figure: 1. a positive terminal box; 2. a medium pole junction box; 3. a negative electrode junction box; 4. a case body; 5. the module is clamped with the mounting part; 6. a module-integrated diode; 7. crimping the buckle tube; 8. the cable penetrates into the crimping part; 9. a cable crimping fixing block; 10. an upper cover; 11. an L-shaped barrier plate; 12. limiting the slat; 13. an elastic clip; 14. a clamping block; 15. positioning the upright post; 16. and positioning the through holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a novel three components of a whole that can function independently terminal box, including a plurality of independent components of a whole that can function independently line box, a plurality of components of a whole that can function independently line box divide into anodal terminal box 1, well utmost point terminal box 2 and negative pole terminal box 3, so that the electric current to photovoltaic module shunts and reaches maximum power, anodal terminal box 1, well utmost point terminal box 2 and negative pole terminal box 3 all are including box body 4, and four corner ends in the inside of box body 4 all are provided with the L shape separation plate 11 that the inside separation of cable access box body 4 protected, can make the cable of access keep away from the inner wall of box body 4 and protect, the upper end of box body 4 is the open end, the inside bottom of box body 4 is provided with module joint installation department 5, do benefit to unsettled the installation of module integration diode 6 in the inside of box body 4, the joint is fixed with module integration diode 6 on module joint installation department 5, the problem of effectively solving.

Limiting strips 12 are symmetrically arranged on the front wall and the rear wall of the inside of the box body 4, the limiting strips 12 limit and fix the module integrated diode 6 in the box body 4, the module integrated diode 6 is clamped and fixed on the module clamping installation part 5 and is limited and fixed in the box body 4 through the limiting strips 12, heat dissipation of the module integrated diode 6 is guaranteed, two ends of the module integrated diode 6 are connected with crimping buckle pipes 7 connected with cable cores, clamping and fixing of connecting cables with the module integrated diode 6 is achieved, positioning upright posts 15 are arranged at four corners of the module clamping installation part 5, positioning through holes 16 which are matched and spliced with the positioning upright posts 15 are symmetrically arranged on the crimping buckle pipes 7 at two ends of the module integrated diode 6, and stability of the module integrated diode 6 in the box body 4 is improved.

The positive terminal box 1, the outside one end of box body 4 that negative terminal box 3 includes all is provided with the cable and penetrates crimping portion 8 that the cable penetrated box body 4 inside was fixed, do benefit to the cable and penetrate and connect in the box body 4, penetrate in the through wires hole that crimping portion 8 inside and be fixed with the cable crimping fixed block 9 that penetrates crimping was in box body 4 one end, realize fixing the outside one side at box body 4 to the cable pressfitting that penetrates, the end opening end of box body 4 covers and has upper cover 10, and upper cover 10 both ends are provided with elastic clamping piece 13, the inside left and right sides end of box body 4 all is equipped with fixture block 14, upper cover 10 is fixed under the joint cooperation of fixture block 14 in box body 4 tip inboard, so that be connected to upper cover 10 at the dismouting cable of box body 4 tip.

Specifically, when in use, the module integrated diode 6 is clamped and installed on the module clamping installation part 5, so that the module integrated diode 6 is fixed at the center position inside the box body 4, a ventilation and heat dissipation space is reserved between the left side and the right side of the module integrated diode 6 and the box body 4, the front side and the rear side of the module integrated diode 6 are limited and clamped through limiting strips 12 arranged on two inner side walls of the box body 4, and a heat dissipation channel is formed between the front side and the rear side of the module integrated diode 6 and the inner wall of the box body 4 by the limiting strips 12, so that the module integrated diode 6 dissipates heat at all positions inside the box body 4, the omnibearing three-dimensional heat dissipation effect of the junction box is improved, the service life of the junction box is further prolonged, and the effect of improving the whole current of the junction box under the condition of the same diode after the heat inside the box body 4 is dispersed is further improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a novel trisomy terminal box, includes a plurality of independent components of a whole that can function independently line box, and a plurality of components of a whole that can function independently line box divide into anodal terminal box (1), well utmost point terminal box (2) and negative pole terminal box (3), its characterized in that: the positive terminal box (1), the middle terminal box (2) and the negative terminal box (3) are all including box body (4), the upper end of box body (4) is the open end, all symmetry is provided with restriction slat (12) on the inside front and back wall of box body (4), and is formed with the heat dissipation passageway between restriction slat (12), the inside bottom of box body (4) is provided with module joint installation department (5), the joint is fixed with module integration diode (6) on module joint installation department (5), the crimping buckle pipe (7) of core connection of cable, the outside one end of box body (4) that positive terminal box (1), negative terminal box (3) include all is provided with cable penetration crimping portion (8) that inside fixed cable penetration crimping portion (8), cable penetration hole internal fixation has cable crimping fixed block (9), the end cover (10) on the end cover of box body (4).

2. The novel three-part junction box according to claim 1, wherein: the four corner ends in the box body (4) are provided with L-shaped blocking plates (11) for blocking and protecting the inside of the cable access box body (4).

3. The novel three-part junction box according to claim 1, wherein: the module integrated diode (6) is fixedly clamped on the module clamping installation part (5) and is fixedly limited in the box body (4) through the limiting slat (12).

4. The novel three-part junction box according to claim 1, wherein: elastic clamping pieces (13) are arranged at two ends of the upper cover (10), clamping blocks (14) are arranged at the left end and the right end of the inside of the box body (4), and the upper cover (10) is fixed at the inner side of the end part of the box body (4) through the clamping fit of the elastic clamping pieces (13) and the clamping blocks (14).

5. The novel three-part junction box according to claim 1, wherein: four corners of the module clamping installation part (5) are provided with positioning upright posts (15), and positioning through holes (16) which are matched with the positioning upright posts (15) for plugging and positioning are symmetrically formed in the crimping buckle pipes (7) at two ends of the module integrated diode (6).