CN204761388U - Compact photovoltaic junction box - Google Patents
Compact photovoltaic junction box Download PDFInfo
- Publication number
- CN204761388U CN204761388U CN201520442289.2U CN201520442289U CN204761388U CN 204761388 U CN204761388 U CN 204761388U CN 201520442289 U CN201520442289 U CN 201520442289U CN 204761388 U CN204761388 U CN 204761388U
- Authority
- CN
- China
- Prior art keywords
- fuse
- casing
- combiner box
- photovoltaic combiner
- box according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000741 silica gel Substances 0.000 claims description 14
- 229910002027 silica gel Inorganic materials 0.000 claims description 14
- 239000012212 insulator Substances 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 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
- Fuses (AREA)
Abstract
The utility model discloses a compact photovoltaic junction box, including box, mounting plate and fuse group, fuse group installs on mounting plate, fuse group constitute by anodal fuse and negative pole fuse, anodal fuse and negative pole fuse fall into about two -layer arranging. The utility model discloses compact structure and heat dispersion are good.
Description
Technical field
The utility model relates to a kind of compact photovoltaic combiner box, belongs to Application of Solar Energy field.
Background technology
In solar photovoltaic generation system, in order to reduce the line between solar-energy photo-voltaic cell array and inverter, usually use header box, photovoltaic cell identical to some, specification series connection is got up by user, forms photovoltaic array one by one, and then by several photovoltaic arrays parallel connection access photovoltaic combiner boxes, after confluxing in photovoltaic combiner box, by controller, DC power distribution cabinet, photovoltaic DC-to-AC converter and AC power distribution cabinet/AC distribution panel, form complete photovoltaic generating system, realize with civil power grid-connected.
The deficiency that multichannel number header box in the market with anti-reflection function exists has: box sizes is excessive, cause cost of transportation and production cost high; Radiator is built-in to be caused heat dispersion poor thus affects the reliability service of components and parts in casing.
Summary of the invention
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provides a kind of compact photovoltaic combiner box, its compact conformation and heat dispersion is good.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of compact photovoltaic combiner box, comprise casing, mounting base and fuse group, fuse group is arranged on mounting base, described fuse group is made up of positive pole fuse and negative pole fuse, and described positive pole fuse and negative pole fuse are divided into upper and lower two-layer arrangement.
Conveniently terminal block further, the distance between described positive pole fuse and negative pole fuse is 70mm.
Further in order to reserve the space of cabling, the positive pole fuse or the negative pole fuse that are in lower floor in described fuse group are arranged on guide rail, and guide rail is fixed on mounting base by two insulators.
Further, the height of described insulator is 30mm.
Further for the ease of heat radiation and saving space, the outside, side of described casing is provided with radiator, and a side of casing has through hole, and radiator is communicated with the inside of casing by this through hole, and one side radiator facing casing is provided with diode.
Further in order to ensure that radiator installation place meets IP65 degree of protection, described radiator and the binding face of casing are provided with silica gel sealing pad, and by equally distributed screw fastening.
Further provide a kind of concrete structure of silica gel sealing pad, described through hole is square hole, and described silica gel sealing pad is the annular silica gel sealing pad in side of the band fillet matched with square hole.
Further provide a kind of electric connection structure of fuse group, described casing is also provided with binding post, binding post is electrically connected with fuse group, and the matching size of the size of binding post and fuse group closes.
Further, described mounting base is also provided with Control card, Control card is made up of two sub-Control cards of upper and lower two-layer distribution, is supported between two sub-Control cards by stud.
Further, described mounting base is also provided with lightning arrester, circuit breaker and power supply board.
After have employed technique scheme, the utility model has following beneficial effect:
1) positive pole fuse and the upper and lower two-layer parallel arrangement of negative pole fuse, spatial arrangement is compact, adds the space availability ratio in casing and cabling is attractive in appearance;
2) radiator is external, considerably increases heat dispersion, thus ensures the reliability service of components and parts in casing, and saves the space in casing, is conducive to the size reducing casing;
3) adopt the sealing of silica gel sealing pad, ensure that the protection of IP65 grade.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model compact photovoltaic combiner box;
Fig. 2 is the vertical view cutaway drawing of the utility model compact photovoltaic combiner box;
Fig. 3 is the left view of the utility model compact photovoltaic combiner box;
Fig. 4 is the structural representation of silica gel sealing pad of the present utility model;
In figure, 1, casing, 2, mounting base, 3, negative pole fuse, 4, positive pole fuse, 5, radiator, 6, circuit breaker, 7, lightning arrester, 8, binding post, 9, Control card, 10, power supply board, 11, silica gel sealing pad.
Embodiment
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
As shown in figures 1-4, a kind of compact photovoltaic combiner box, comprise casing 1, mounting base 2 and fuse group, fuse group is arranged on mounting base 2, fuse group is made up of positive pole fuse 4 and negative pole fuse 3, and positive pole fuse 4 and negative pole fuse 3 are divided into upper and lower two-layer arrangement.
As shown in Figure 2, the distance between positive pole fuse 4 and negative pole fuse 3 is 70mm.
The negative pole fuse 3 being in lower floor in fuse group is arranged on guide rail, and guide rail is fixed on mounting base 2 by two insulators.
The height of insulator is 30mm.
As shown in Figures 1 to 3, the outside, side of casing 1 is provided with radiator 5, and a side of casing 1 has through hole, and radiator 5 is communicated with the inside of casing 1 by this through hole, and one side radiator 5 facing casing 1 is provided with diode.
Radiator 5 and the binding face of casing 1 are provided with silica gel sealing pad 11, and by equally distributed screw fastening.
As shown in Figure 4, through hole is square hole, and silica gel sealing pad 11 is the annular silica gel sealing pad in side of the band fillet matched with square hole.
As shown in Figures 1 to 3, casing 1 is also provided with binding post 8, binding post 8 is electrically connected with fuse group, and the matching size of the size of binding post 8 and fuse group closes.
As shown in Figure 2, mounting base 2 is also provided with Control card 9, Control card 9 is made up of two sub-Control cards of upper and lower two-layer distribution, is supported between two sub-Control cards by stud.
As shown in Figure 2, mounting base 2 is also provided with lightning arrester 7, circuit breaker 6 and power supply board 10.
Positive pole fuse 4 of the present utility model and the two-layer parallel arrangement of negative pole fuse about 3, spatial arrangement is compact, adds the space availability ratio in casing 1 and cabling is attractive in appearance; Radiator 5 is external, considerably increases heat dispersion, thus ensures the reliability service of components and parts in casing 1, and saves the space in casing 1, is conducive to the size reducing casing 1; Adopt silica gel sealing pad 11 to seal, ensure that the protection of IP65 grade.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the utility model solves are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a compact photovoltaic combiner box, comprise casing, mounting base (2) and fuse group, fuse group is arranged on mounting base (2), described fuse group is made up of positive pole fuse (4) and negative pole fuse (3), it is characterized in that: described positive pole fuse (4) and negative pole fuse (3) are divided into upper and lower two-layer arrangement.
2. compact photovoltaic combiner box according to claim 1, is characterized in that: the distance between described positive pole fuse (4) and negative pole fuse (3) is 70mm.
3. compact photovoltaic combiner box according to claim 1 and 2, it is characterized in that: the positive pole fuse (4) or the negative pole fuse (3) that are in lower floor in described fuse group are arranged on guide rail, and guide rail is fixed on mounting base (2) by two insulators.
4. compact photovoltaic combiner box according to claim 3, is characterized in that: the height of described insulator is 30mm.
5. compact photovoltaic combiner box according to claim 1, it is characterized in that: the outside, side of described casing (1) is provided with radiator (5), one side of casing (1) has through hole, radiator (5) is communicated with by the inside of this through hole with casing (1), and one side radiator (5) facing casing (1) is provided with diode.
6. compact photovoltaic combiner box according to claim 5, is characterized in that: described radiator (5) and the binding face of casing (1) are provided with silica gel sealing pad (11), and by equally distributed screw fastening.
7. compact photovoltaic combiner box according to claim 6, is characterized in that: described through hole is square hole, and described silica gel sealing pad (11) is the annular silica gel sealing pad in side of the band fillet matched with square hole.
8. compact photovoltaic combiner box according to claim 1, it is characterized in that: described casing (1) is also provided with binding post (8), binding post (8) is electrically connected with fuse group, and the size of binding post (8) and the matching size of fuse group close.
9. compact photovoltaic combiner box according to claim 1, it is characterized in that: described mounting base (2) is also provided with Control card (9), Control card (9) is made up of two sub-Control cards of upper and lower two-layer distribution, is supported between two sub-Control cards by stud.
10. compact photovoltaic combiner box according to claim 1, is characterized in that: described mounting base (2) is also provided with lightning arrester (7), circuit breaker (6) and power supply board (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520442289.2U CN204761388U (en) | 2015-06-25 | 2015-06-25 | Compact photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520442289.2U CN204761388U (en) | 2015-06-25 | 2015-06-25 | Compact photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761388U true CN204761388U (en) | 2015-11-11 |
Family
ID=54476055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520442289.2U Active CN204761388U (en) | 2015-06-25 | 2015-06-25 | Compact photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116316106A (en) * | 2023-05-18 | 2023-06-23 | 深圳市首航新能源股份有限公司 | Converging piece, converging box and energy storage system |
-
2015
- 2015-06-25 CN CN201520442289.2U patent/CN204761388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116316106A (en) * | 2023-05-18 | 2023-06-23 | 深圳市首航新能源股份有限公司 | Converging piece, converging box and energy storage system |
| CN116316106B (en) * | 2023-05-18 | 2023-09-12 | 深圳市首航新能源股份有限公司 | Converging piece, converging box and energy storage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |