CN221042790U - Longitudinal outgoing large-current narrow-side junction box - Google Patents
Longitudinal outgoing large-current narrow-side junction box Download PDFInfo
- Publication number
- CN221042790U CN221042790U CN202322712010.5U CN202322712010U CN221042790U CN 221042790 U CN221042790 U CN 221042790U CN 202322712010 U CN202322712010 U CN 202322712010U CN 221042790 U CN221042790 U CN 221042790U
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- China
- Prior art keywords
- box
- junction box
- longitudinal
- side junction
- conductive
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Links
- 238000005452 bending Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a longitudinal outgoing high-current narrow-side junction box, which comprises an anode box, a cathode box and a middle box positioned between the anode box and the cathode box; the positive electrode box, the negative electrode box and the middle box comprise rectangular box bodies, conductive parts arranged in the box bodies and box covers buckled on the box bodies; the long side of the positive electrode box and the long side of the negative electrode box are respectively provided with a cable which extends into the box body and is connected with the corresponding end of the conductive part, and the conductive parts of the positive electrode box and the middle box and the conductive parts of the middle box and the negative electrode box are connected through bus bars; the whole junction box is of a narrow-side structure, the longitudinal width of the whole junction box is reduced to a certain extent, the junction box is more suitable for being installed in a very small installation space, and the longitudinal outgoing line of the junction box is realized by arranging the cable on the long side of the positive and negative box, so that the junction box is flexible in installation and wiring.
Description
Technical Field
The utility model relates to the technical field of photovoltaic modules, in particular to a longitudinal outgoing large-current narrow-side junction box.
Background
The junction box is a connecting device for connecting a solar cell with a storage battery or a controller, and in order to better utilize the effective area of a component and pursue larger generated energy, the space at the edge of the solar cell component is smaller and smaller, and the traditional junction box is difficult to adapt to the component with small installation space.
Disclosure of utility model
In view of the defects in the prior art, the utility model aims to provide a longitudinal outgoing line high-current narrow-side junction box which can be installed on a solar cell module with a very small installation space.
The technical scheme adopted by the utility model is as follows:
The longitudinal outgoing high-current narrow-side junction box comprises an anode box, a cathode box and a middle box positioned between the anode box and the cathode box; the positive electrode box, the negative electrode box and the middle box comprise rectangular box bodies, conductive parts arranged in the box bodies and box covers buckled on the box bodies; the positive pole box with the long limit side of negative pole box, and be located the one end that keeps away from each other all be equipped with extend to in the box body, and with conductive component corresponds the cable that the end is connected, positive pole box with between the conductive component of intermediate box, intermediate box with between the conductive component of negative pole box pass through the busbar and connect.
Further, openings for the cables to pass through are formed in the positive electrode box and the negative electrode box, and the cables pass through the openings and extend into the box body.
Further, a pressing block is buckled on the opening, and the pressing block is pressed on the upper side of the cable.
Further, the box body comprises a bottom wall and four side walls formed by the upward extension of the edges of the bottom wall, a bottom cover is arranged in the bottom wall, and the conductive part is mounted on the bottom cover.
Further, the bottom cover adopts a movable structure, and a large distance is reserved between the conductive part and the bottom cover to empty space.
Further, the conductive member includes a bracket and an axial diode mounted on the bracket.
Further, the bracket includes a bracket body and a folding and bending structure provided along a part of an edge of the bracket body and extending in a downward direction.
Further, a diode mounting portion and a bus bar mounting portion are arranged on the support body, the bus bar is connected to the bus bar mounting portion, and the diode is mounted on the diode mounting portion and connected with the bus bar through the folding and bending structure.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a longitudinal outgoing high-current narrow-side junction box according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a case according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a conductive member according to an embodiment of the present application;
Fig. 4 is a schematic structural diagram of a bracket according to an embodiment of the present application.
Wherein, positive electrode case 100, intermediate case 200, negative electrode case 300;
The case 1, the first side wall 11, the second side wall 12, the third side wall 13, the fourth side wall 14, the conductive member 2, the diode 21, the holder body 22, the folded bending structure 221, the diode mounting portion 222, the bus bar mounting portion 223, the cable 3, the pressing block 4, the case cover 5, and the bottom cover 6.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present utility model are merely conventional adaptive applications of the prior art. The present utility model is therefore an improvement over the prior art in that the connection between hardware is essentially not a function, method itself, i.e. the present utility model, although it relates to a point of function, method, does not involve the improvement proposed for the function, method itself. The description of the function and the method of the utility model is for better explaining the utility model so as to better understand the utility model.
Embodiments of the present novel technical solution will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
Referring to fig. 1 to 4, the high-current narrow-side junction box with a longitudinal outgoing line of the present application includes a positive electrode box 100, a negative electrode box 300, and an intermediate box 200 positioned between the positive electrode box 100 and the negative electrode box 300; the positive electrode box 100, the negative electrode box 300 and the middle box 200 comprise rectangular box bodies 1, conductive parts 2 arranged in the box bodies 1 and box covers 5 buckled on the box bodies 1; the long sides of the positive electrode case 100 and the negative electrode case 300 are respectively provided with a cable 3 extending into the case 1 and connected to the corresponding end of the conductive member 2 at the end far from each other, and the conductive members 2 of the positive electrode case 100 and the intermediate case 200 and the conductive members 2 of the intermediate case 200 and the negative electrode case 300 are connected by bus bars.
The positive electrode box 100, the negative electrode box 300 and the middle box 200 are all rectangular structures, the positive electrode box 100 and the middle box 200 and the negative electrode box 300 are all connected through bus bars, and the cables 3 of the positive electrode box 100 and the negative electrode box 300 are all arranged on the long side sides of the cables; the whole junction box is of a narrow-side structure, the longitudinal width of the whole junction box is reduced to a certain extent, the junction box is more suitable for being installed in a very small installation space, and the longitudinal outgoing line of the junction box is realized by arranging the cable 3 on the long side of the positive and negative box, so that the installation and wiring are flexible.
The number of the positive electrode cases 100, the middle case 200 and the negative electrode cases 300 can be determined according to the number of the bus bars in the solar cell module, and the installation and wiring are flexible, so that the solar cell module is suitable for double-glass modules with any number of cell strings.
In order to facilitate the passage of the cable 3, the positive electrode box 100 and the negative electrode box 300 are provided with openings for the passage of the cable 3, the openings are buckled with the pressing blocks 4, the cable 3 passes through the openings and stretches into the box body 1 and is connected with the conductive component 2 arranged in the box body 1, and the pressing blocks 4 are pressed on the upper side of the cable 3.
The box body 1 comprises a bottom wall, four side walls formed by upward extension of the edge of the bottom wall, a first side wall 11 extending upward from one side of the bottom wall, a second side wall 12 extending upward from the other side of the bottom wall, and a third side wall 13 and a fourth side wall 14 connected between the two ends of the first side wall 11 and the second side edge; a bottom cover 6 is provided in the bottom wall, and the conductive member 2 is mounted on the bottom cover 6.
The bottom cover 6 adopts a movable structure, and a large-distance empty space is reserved between the conductive part 2 and the bottom cover 6; by setting the large distance to empty space, glue inflow during glue filling operation of the junction box is facilitated, and the heat dissipation space of the conductive part 2 during operation is increased.
Specifically, the conductive member 2 includes a bracket and an axial diode 21. The bracket includes a bracket body 22 and a folding and bending structure 221, the folding and bending structure 221 being provided along a part of the edge of the bracket body 22 and extending in a downward direction; the holder main body 22 is provided with a diode 21 mounting portion and a bus bar mounting portion 223, and the bus bar is connected to the bus bar mounting portion 223, and the diode 21 is mounted on the diode 21 mounting portion and is connected to the bus bar by a folded and bent structure 221.
By arranging the folding and bending structure 221 on the bracket main body 22, the whole area of the conductive component 2 is increased under the condition of the same sectional area, so that the conductive component 2 can be arranged in the box body 1 in a three-dimensional mode, the distance between the diode 21 and the assembly welding strip mounting part is increased, and the heat dissipation performance is good.
During installation, the bottom of the junction box is stuck with silica gel and is adhered to the solar cell module, the bus bar penetrates into the junction box and is welded with the bus bar installation part 223 on the corresponding conductive part 2 in a welding mode, so that the conductive part 2 in the positive electrode box 100, the conductive part 2 of the middle box 200 and the conductive part 2 of the negative electrode box 300 are connected through the bus bar; pouring sealant, and covering the box cover 5 for use.
Compared with the prior art, the junction box has the advantages of large rated current, small occupied space and high power generation efficiency. In particular, the width of the case 1 is small, and the case is suitable for a very small installation space. The bottom cover 6 adopts a movable structure, and a large distance is reserved between the conductor part and the bottom cover 6, so that glue inflow during glue filling operation of the junction box is facilitated. And the heat dissipation space of the conductor part during working is increased, and the heat dissipation performance is better improved. The number of the box bodies 1 can be determined according to the number of the bus bars in the assembly, the installation and wiring are flexible, and the box body is suitable for the assembly of any number of battery strings.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; may be an electrical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description of the present specification, a description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (8)
1. The longitudinal outgoing high-current narrow-side junction box comprises an anode box, a cathode box and a middle box positioned between the anode box and the cathode box; the positive electrode box, the negative electrode box and the middle box comprise rectangular box bodies, conductive parts arranged in the box bodies and box covers buckled on the box bodies; the positive pole box with the long limit side of negative pole box, and be located the one end that keeps away from each other all be equipped with extend to in the box body, and with conductive component corresponds the cable that the end is connected, positive pole box with between the conductive component of intermediate box, intermediate box with between the conductive component of negative pole box pass through the busbar and connect.
2. The longitudinal outgoing high-current narrow-side junction box according to claim 1, wherein openings for the cables to pass through are formed in the positive electrode box and the negative electrode box, and the cables pass through the openings and extend into the box body.
3. The longitudinal outgoing high-current narrow-side junction box according to claim 2, wherein a pressing block is buckled on the opening, and the pressing block is pressed on the upper side of the cable.
4. A longitudinal outgoing high-current narrow-side junction box according to claim 1, wherein the box body comprises a bottom wall and four side walls formed by extending upward from edges of the bottom wall, a bottom cover is arranged in the bottom wall, and the conductive part is mounted on the bottom cover.
5. A longitudinal outgoing high-current narrow-side junction box according to claim 4, wherein the bottom cover adopts a movable structure, and a large-distance empty space is formed between the conductive part and the bottom cover.
6. A high current, narrow edge junction box for a vertical outgoing line according to claim 1, wherein the conductive member comprises a bracket and an axial diode, the axial diode being mounted on the bracket.
7. A longitudinal outgoing high-current narrow-side junction box according to claim 6, wherein the bracket includes a bracket main body and a folded bent structure provided along a part of an edge of the bracket main body and extending in a downward direction.
8. The longitudinal outgoing high-current narrow-side junction box according to claim 7, wherein a diode mounting portion and a bus bar mounting portion are provided on the holder main body, the bus bar is connected to the bus bar mounting portion, and the diode is mounted on the diode mounting portion and connected to the bus bar by the folding and bending structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712010.5U CN221042790U (en) | 2023-10-09 | 2023-10-09 | Longitudinal outgoing large-current narrow-side junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712010.5U CN221042790U (en) | 2023-10-09 | 2023-10-09 | Longitudinal outgoing large-current narrow-side junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221042790U true CN221042790U (en) | 2024-05-28 |
Family
ID=91167903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322712010.5U Active CN221042790U (en) | 2023-10-09 | 2023-10-09 | Longitudinal outgoing large-current narrow-side junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221042790U (en) |
-
2023
- 2023-10-09 CN CN202322712010.5U patent/CN221042790U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Longitudinal outgoing high current narrow edge junction box Granted publication date: 20240528 Pledgee: Industrial and Commercial Bank of China Limited Ningbo Hangzhou Bay New District Sub-branch Pledgor: Wei Hui Wang Registration number: Y2024980031021 |