CN211429260U - Novel photovoltaic junction box - Google Patents
Novel photovoltaic junction box Download PDFInfo
- Publication number
- CN211429260U CN211429260U CN201921689451.5U CN201921689451U CN211429260U CN 211429260 U CN211429260 U CN 211429260U CN 201921689451 U CN201921689451 U CN 201921689451U CN 211429260 U CN211429260 U CN 211429260U
- Authority
- CN
- China
- Prior art keywords
- side plate
- plate
- junction box
- base
- heat dissipation
- 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.)
- Expired - Fee Related
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 16
- 229910000679 solder Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 8
- 239000004411 aluminium Substances 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process 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
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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 provides a novel photovoltaic junction box relating to the field of photovoltaic power generation equipment, which comprises a base and an upper cover, wherein the base comprises a bottom plate, a top side plate, a left side plate, a right side plate and a bottom side plate, terminals are arranged on the bottom plate and the top side plate, and cable connecting holes are arranged on the bottom side plate; a partition board is horizontally arranged in the inner cavity of the base, and divides the inner cavity of the base into an upper heat dissipation area and a lower confluence area; a diode is disposed in the heat dissipation area and mounted on a terminal located on the top side plate. The utility model discloses a set up curb plate, roof side board isotructure about bottom plate, L shape, on the one hand can be with the heat in the district that converges on bottom plate conduction to solar cell panel base plate, on the other hand, can be with the heat that especially the diode produced in the heat dissipation district, on conduction to aluminium system frame through the roof side board, two parts heat radiation structure makes the terminal box heat dissipation fast, and the heat can many-sided quick conduction go out in the box, makes terminal box components and parts can not damage because of the high temperature.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic power generation equipment and specifically relates to a novel photovoltaic terminal box.
Background
Solar energy is used as a new energy source, and compared with the traditional fossil fuel, the solar energy has the advantages of inexhaustibility, cleanness, environmental protection and the like. At present, a main solar energy utilization method is to convert received light energy into electric energy through a solar cell module for output, and the solar cell module can be a large-area cell module formed by connecting a plurality of solar cells (or called photovoltaic cells) in series, then packaging the solar cells, and arranging the solar cells in a square matrix. The solar cell absorbs light energy, and the accumulation of charges with different signs appears at two ends of the cell, namely a 'photovoltaic effect', wherein electromotive force is generated at two ends of the solar cell under the action of the photovoltaic effect, so that the light energy is converted into electric energy. In practical applications, a solar cell system is usually formed by taking a solar cell as a core. A complete solar cell system mainly comprises a solar cell module, a junction box, an external functional module and the like. The junction box is a connector between an explosion-proof junction box solar cell array formed by solar cell modules and a solar charging control device, and is a cross-field comprehensive design combining electrical design, mechanical design and material science. The junction box of the solar cell module is very important in the composition of the solar cell module, and mainly plays a role in connecting electric power generated by the solar cell with an external circuit. The junction box is adhered to the back plate of the assembly through silica gel, the outgoing lines in the assembly are connected together through the internal lines in the junction box, and the internal lines are connected with the external cables to enable the assembly to be conducted with the external cables. The diode is arranged in the junction box, so that the component can work normally when being shielded from light.
The existing junction box is arranged in the middle of each solar cell substrate, and a plurality of solar substrates are arranged in an aluminum frame in a parallel and spaced mode. And the inverter can be directly plugged to the junction box to achieve the corresponding function. The bonding surface of the existing junction box is only a bottom surface and a plane. When the junction box is used, the diode generates heat to cause high temperature of the junction box, heat dissipation can be carried out only through the surface in contact with the solar cell substrate and the whole part in contact with air, and the heat dissipation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel photovoltaic terminal box to solve the problem that current terminal box radiating efficiency is low.
The utility model discloses a realize like this: a novel photovoltaic junction box is characterized by comprising a base and an upper cover, wherein the base comprises a bottom plate, a top side plate, a left side plate, a right side plate and a bottom side plate, terminals are arranged on the bottom plate and the top side plate, and cable connecting holes are formed in the bottom side plate;
a partition board is horizontally arranged in the inner cavity of the base, and the partition board divides the inner cavity of the base into an upper heat dissipation area and a lower convergence area; and a diode is arranged in the heat dissipation area and is installed on a terminal on the top side plate.
Preferably, the height of the top side plate is the same as that of the partition plate, the height of the top side plate is higher than that of the bottom side plate, and the left side plate and the right side plate are both L-shaped.
Preferably, the upper cover includes a first upper cover covering the heat dissipation region and a second upper cover covering the bus bar mounting region.
Preferably, the terminal is provided with a manifold hole and a solder mound point.
Preferably, a bus bar mounting hole is formed in the bottom plate at a position corresponding to the bus bar hole.
Preferably, a cable mounting hole is formed in the bottom plate near the bottom side plate.
Preferably, a glue filling hole is formed in the bottom plate corresponding to the heat dissipation area.
Preferably, the number of the glue pouring holes is at least two.
Adopt above-mentioned technical scheme, the utility model discloses a set up curb plate, roof side board isotructure about bottom plate, L shape, on the one hand can be with the heat in the district that converges on bottom plate conduction to solar cell panel base plate, on the other hand, can be with the heat that especially the diode produced in the heat dissipation area, on conduction to aluminium system frame through the roof side board, two parts heat radiation structure makes the terminal box heat dissipation faster, and heat can many-sided quick conduction go out in the box, makes terminal box components and parts can not damage because of the high temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
fig. 3 is a schematic rear view of the present invention.
In the figure: 1-upper cover, 2-bottom plate, 3-top side plate, 4-left side plate, 5-right side plate, 6-bottom side plate, 7-terminal, 8-confluence hole, 9-soldering tin pile point, 10-cable connecting hole, 11-confluence belt mounting hole, 12-cable mounting hole, 13-baffle, 14-diode, 15-heat dissipation area, 16-confluence area, 17-glue pouring hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a novel photovoltaic junction box, including base and upper cover 1, upper cover 1 forms the junction box body with the base lock, and photovoltaic components and parts for example: the terminals, the bus bars, the diodes and the like are arranged in the box body. The utility model discloses a base includes bottom plate 2, top curb plate 3, left side board 4, right side board 5 and bottom curb plate 6, top curb plate about, curb plate and bottom plate fixed connection, form the inner chamber that can hold photovoltaic components and parts between bottom plate and each curb plate.
The utility model discloses be provided with terminal 7 on bottom plate 2 and top curb plate 3, terminal 7 is in order to tile on the mode setting and the interior face of bottom plate and top curb plate. The terminal 7 is provided with a bus hole 8 and a solder pile point 9 for welding connection with the bus bar. The corresponding convergence area on the bottom plate 2 is provided with a convergence belt mounting hole 11. The bus bar is welded on the terminal and extends out through the bus bar hole, and then penetrates through the bus bar mounting hole to be connected with other components.
The utility model discloses be provided with cable connecting hole 10 on bottom side plate 6. As a preferred embodiment, as shown in the figure, the bottom plate 6 is provided as a bent plate, and correspondingly, two protrusions are provided on the bottom plate 2, and cable mounting holes 12 are provided on the bottom plate 2 near the bottom plate 6. The cable penetrates into the box body through the cable connecting hole 10 to be connected with the internal components, and the cable mounting hole 12 facilitates the replacement of the cable in the box body by a user and facilitates the operation.
The utility model is horizontally provided with a baffle 13 in the inner cavity of the base, and the baffle 13 divides the inner cavity of the base into an upper heat dissipation area 15 and a lower confluence area 16; a diode 14 is provided in the heat dissipation area, and the diode 14 is mounted on a terminal located on the top side plate 3. In a preferred embodiment, the height of the top side plate 3 is the same as that of the partition plate 13, the height of the top side plate 3 is higher than that of the bottom side plate 6, and the left side plate 4 and the right side plate 5 are both L-shaped. Because the diode is arranged on the fixed side plate, most of heat generated in the working process of the diode can be conducted to the top side plate. The utility model discloses during the installation, the bottom plate is connected with solar cell base plate's back, and the top curb plate is connected with aluminium system frame, and like this, the heat most of diode production can transmit to aluminium system frame on via the top curb plate, utilizes the good heat conductivility of aluminium material, goes out the heat conduction in the terminal box, prevents the overheated damage of components and parts in the terminal box. The utility model discloses set up the top curb plate into the height that is higher than the bottom curb plate, increased the area of contact of top curb plate and aluminium system frame, increase heat radiating area promptly, make the radiating efficiency high.
The utility model discloses a bottom plate and solar cell base plate pass through the casting glue to be connected, and the casting glue has good heat conductivility. The utility model discloses 15 departments of the corresponding radiating area on bottom plate 2 are provided with encapsulating hole 17. The number of the glue filling holes is at least two, and 3 glue filling holes are arranged in the embodiment shown in the figure. The utility model discloses a glue filling hole is including advancing gluey glue filling hole and excessive gluey glue filling hole. Wherein, the middle glue filling hole is a glue inlet and filling hole, and the two side glue filling holes are glue overflow and filling holes. The heat generated by the components such as the confluence belt is conducted to the solar cell panel substrate through the bottom plate and the pouring sealant, and the heat in the confluence area is conducted out.
The utility model discloses an upper cover is including covering the first upper cover on the radiating area and covering the second upper cover on converging the area installing zone.
The utility model discloses a set up curb plate, roof side board isotructure about bottom plate, L shape, on the one hand can be with the heat in the district that converges on bottom plate conduction to solar cell panel base plate, on the other hand, can be with the heat that especially the diode produced in the heat dissipation district, on conduction to aluminium system frame through the roof side board, two parts heat radiation structure makes the terminal box heat dissipation faster, and heat can many-sided quick conduction go out in the box, makes terminal box components and parts can not damage because of the high temperature.
Claims (8)
1. A novel photovoltaic junction box is characterized by comprising a base and an upper cover, wherein the base comprises a bottom plate, a top side plate, a left side plate, a right side plate and a bottom side plate, terminals are arranged on the bottom plate and the top side plate, and cable connecting holes are formed in the bottom side plate;
a partition board is horizontally arranged in the inner cavity of the base, and the partition board divides the inner cavity of the base into an upper heat dissipation area and a lower convergence area; and a diode is arranged in the heat dissipation area and is installed on a terminal on the top side plate.
2. The novel photovoltaic junction box of claim 1, wherein the top side plate has a height equal to that of the partition plate, the top side plate has a height higher than that of the bottom side plate, and the left side plate and the right side plate are both L-shaped.
3. The novel photovoltaic junction box of claim 1, wherein the top cover comprises a first top cover covering the heat dissipation area and a second top cover covering the bus bar mounting area.
4. The novel photovoltaic junction box of claim 1 wherein said terminals are provided with flow-gathering holes and solder bumps.
5. The novel photovoltaic junction box as claimed in claim 4, wherein bus bar mounting holes are formed in the bottom plate at positions corresponding to the bus bar holes.
6. The novel photovoltaic junction box of claim 1, wherein cable mounting holes are provided in the bottom panel adjacent to the bottom side panel.
7. The novel photovoltaic junction box as claimed in claim 1, wherein a glue filling hole is formed in the bottom plate corresponding to the heat dissipation area.
8. The novel photovoltaic junction box of claim 7, wherein the number of the glue filling holes is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689451.5U CN211429260U (en) | 2019-10-10 | 2019-10-10 | Novel photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689451.5U CN211429260U (en) | 2019-10-10 | 2019-10-10 | Novel photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211429260U true CN211429260U (en) | 2020-09-04 |
Family
ID=72252985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921689451.5U Expired - Fee Related CN211429260U (en) | 2019-10-10 | 2019-10-10 | Novel photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211429260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116073759A (en) * | 2021-11-01 | 2023-05-05 | 浙江鑫辉光伏科技有限公司 | High-current junction box capable of improving heat dissipation capacity |
-
2019
- 2019-10-10 CN CN201921689451.5U patent/CN211429260U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116073759A (en) * | 2021-11-01 | 2023-05-05 | 浙江鑫辉光伏科技有限公司 | High-current junction box capable of improving heat dissipation capacity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108258065A (en) | A photovoltaic cell assembly with an integrated circuit board | |
| CN222786261U (en) | Back contact battery pack and photovoltaic system | |
| CN220210884U (en) | High-efficient radiating photovoltaic bypass module and photovoltaic module terminal box | |
| CN102522460A (en) | Packaging method of silicon-based solar cells of photovoltaic module | |
| CN211429260U (en) | Novel photovoltaic junction box | |
| CN110890863A (en) | A split junction box applied to double glass components | |
| CN119050187B (en) | Back contact battery pack and photovoltaic system | |
| CN212392858U (en) | Series-parallel integrated split type photovoltaic module junction box and photovoltaic module | |
| CN211125669U (en) | High-reliability crystalline silicon solar cell packaging assembly | |
| CN114335219A (en) | BIPV intelligent chip photovoltaic module and packaging process thereof | |
| CN112290884A (en) | Series-type integrated split type photovoltaic module junction box and photovoltaic module | |
| JPH11303325A (en) | Solar cell module | |
| CN202678374U (en) | Bypass protective module for solar photovoltaic connecting box | |
| CN213716913U (en) | Solar module with ultra-thin die of photovoltaic protection diode | |
| CN214756236U (en) | Integrated photovoltaic bypass element module and junction box with same | |
| CN210724685U (en) | Be applied to dual glass assembly's split type terminal box | |
| CN209804683U (en) | Photovoltaic cell assembly | |
| CN218887205U (en) | Photovoltaic combined heat and power generation subassembly | |
| CN112563355A (en) | Solar module with ultra-thin die of photovoltaic protection diode | |
| CN223625832U (en) | Patch welding split junction box | |
| CN220234626U (en) | Integral bypass protection module and photovoltaic junction box with same | |
| CN202487597U (en) | A silicon-based solar cell string and its packaged photovoltaic module | |
| CN220553440U (en) | Bypass protection module with single-chip multi-core packaging structure and junction box for photovoltaic module | |
| CN210745077U (en) | Split type terminal box of solar photovoltaic module | |
| CN222706901U (en) | Welding strip, battery string, battery assembly and photovoltaic system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20211010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |