CN210183285U - Junction box, photovoltaic module and curtain wall - Google Patents
Junction box, photovoltaic module and curtain wall Download PDFInfo
- Publication number
- CN210183285U CN210183285U CN201921368436.0U CN201921368436U CN210183285U CN 210183285 U CN210183285 U CN 210183285U CN 201921368436 U CN201921368436 U CN 201921368436U CN 210183285 U CN210183285 U CN 210183285U
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- box body
- heat
- junction box
- box
- photovoltaic module
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- 239000004020 conductor Substances 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000002470 thermal conductor Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000003292 glue Substances 0.000 description 9
- 239000000084 colloidal system Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 208000021760 high fever Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
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- 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
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- Photovoltaic Devices (AREA)
Abstract
The application discloses terminal box, photovoltaic module and curtain. The junction box comprises a heat conductor and a box body; the heat conductor is filled in the box body, the heat conductor is respectively connected with the first end and the second end of the box body, and the first end of the box body is fixed on the end face of the photovoltaic panel, which is away from the lighting surface. The poor technical problem of terminal box heat dissipation among the photovoltaic module among the correlation technique is solved to this application.
Description
Technical Field
The application relates to the technical field of photovoltaics, in particular to a junction box, a photovoltaic assembly and a curtain wall.
Background
In the photovoltaic module, the junction box connected with the high-heat photovoltaic panel is easy to accumulate heat because of the reasons of small heat dissipation area, tightness and isolation from other heat dissipation parts, so that the local temperature of the junction box is increased, the thermal resistance of a circuit in the junction box is increased, the overall power generation performance of the photovoltaic module is reduced, and the damage rate of the photovoltaic module parts and the probability of fire are increased. In the engineering practice of photovoltaic curtain walls, this problem needs to be particularly emphasized. On the one hand, the mounting structure of the photovoltaic curtain wall determines that it does not dissipate heat as well as the photovoltaic power plant. On the other hand, the photovoltaic curtain wall has higher safety requirement because of being close to people, production and living places and materials.
Aiming at the problem of poor heat dissipation of a junction box in a photovoltaic module in the related art, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a main aim at provides a terminal box, photovoltaic module and curtain to solve among the related art not good problem of terminal box heat dissipation.
To achieve the above object, in a first aspect, the present application provides a junction box.
A junction box according to the present application includes: a heat conductor and a case;
the heat conductor is filled in the box body, the heat conductor is connected with the first end and the second end of the box body respectively, and the first end of the box body is fixed on the end face of the photovoltaic panel, which is away from the lighting surface.
Optionally, the material of the thermal conductor comprises particles of a thermally conductive material.
Optionally, the material of the heat conductor further includes an insulating colloid, and the particles of the heat conductive material are distributed in the insulating colloid.
Optionally, the second end of the box body is the end opposite to the first end.
Optionally, the junction box further comprises a heat sink;
the first end of the heat dissipation member is fixed at the second end of the box body.
Optionally, the junction box further comprises a thermal conductive adhesive layer;
the heat-conducting adhesive layer is located between the heat-radiating piece and the box body.
Optionally, the second end of the heat sink is provided with a plurality of fins.
Optionally, a clamping groove is formed in the first end of the heat dissipation piece, and the clamping groove is clamped on the box body.
In a second aspect, the present application further provides a photovoltaic module, which includes a photovoltaic panel and the junction box;
the first end of the box body is fixed on the end face of the photovoltaic panel, which is away from the lighting surface.
In a third aspect, the present application further provides a curtain wall, including the above photovoltaic module.
In an embodiment of the present application, there is provided a photovoltaic module, including: a heat conductor and a case; the heat conductor is filled in the box body, the heat conductor is respectively connected with the first end and the second end of the box body, and the first end of the box body is fixed on the end face of the photovoltaic panel, which is away from the lighting surface. Therefore, the heat conductor is filled in the box body of the junction box, so that the temperature of the first end of the box body connected with the photovoltaic plate with high heat can be quickly conducted to the second end with the relatively lower temperature of the box body, the heat dissipation performance of the junction box is improved, the overall temperature of the junction box is effectively reduced, and the electrical performance and the safety of the photovoltaic assembly are improved; and then solve the not good technical problem of terminal box heat dissipation among the photovoltaic module in the correlation technique.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic structural diagram of a junction box provided according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of another junction box provided in accordance with an embodiment of the present application;
fig. 3 is a schematic structural diagram of a heat dissipation element according to an embodiment of the present application;
fig. 4 is a structural view of a section a-a of a heat sink in fig. 3.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted", "provided", "connected", "fixed", "clamped" and "nested" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 4, an embodiment of the present application relates to a junction box, including: a heat conductor 1 and a box body 2;
the heat conductor 1 is filled in the box body 2, the heat conductor 1 is connected with the first end and the second end of the box body 2 respectively, and the first end of the box body 2 is fixed on the end face of the photovoltaic panel, which is away from the lighting surface.
Specifically, through 2 inside heat conductors 1 that fill of box body at the terminal box, be favorable to conducting heat fast to the second end that 2 temperature of box body are lower relatively with the temperature of the 2 first ends of box body that are connected of the photovoltaic board of high fever to improve the heat dispersion of terminal box, reduced the bulk temperature of terminal box effectively, promote photovoltaic module's electrical property and security.
Optionally, the material of the thermal conductor 1 comprises particles of a thermally conductive material.
Specifically, to provide the heat conducting effect of the heat conductor 1, the material of the heat conductor 1 includes particles of a heat conducting material having a high heat conductivity coefficient.
In order to prevent the electric leakage of the circuit 5 inside the junction box, the heat conductive material particles may be made of a material with high thermal conductivity and insulation, and optionally, the heat conductive material particles include alumina and diamond powder, and both the alumina and the diamond powder have the characteristics of high thermal conductivity and insulation.
Optionally, the material of the heat conductor 1 further comprises an insulating colloid, and the particles of the heat conducting material are distributed in the insulating colloid.
Specifically, for the requirement of plasticity (filling the gap inside the box body 2) and insulation of the heat conductor 1, the material of the heat conductor 1 further comprises an insulating colloid, the particles of the heat conducting material are distributed in the insulating colloid, and the material of the insulating colloid is insulating glue.
Optionally, the second end of the box body 2 is the end opposite to the first end.
Specifically, through heat conductor 1, thereby can with the temperature of the 2 first ends of box body that are connected with the photovoltaic board of high fever heat conduction to keeping away from the 2 second ends of box body that photovoltaic board temperature is lower relatively.
As shown in fig. 2 to 4, optionally, the terminal box provided by the embodiment of the present application further includes a heat sink 3;
the first end of the heat sink 3 is fixed to the second end of the case 2.
Specifically, fix the second end at box body 2 through the first end of radiating piece 3, with the temperature of terminal box second end heat conduction to the higher radiating piece 3 of radiating efficiency fast to improve the heat dispersion of terminal box, reduce the bulk temperature of terminal box effectively, promote photovoltaic module's electrical property and security.
As shown in fig. 2, optionally, the junction box further includes a thermal conductive adhesive layer 4;
the layer of thermally conductive adhesive 4 is located between the heat sink 3 and the case 2.
Specifically, the material of heat-conducting glue layer 4 includes heat-conducting glue, and heat-conducting glue can play the effect that bonds firstly for connection structure is more stable, and secondly heat-conducting glue can fill the gap, because the air is hot bad conductor, through setting up heat-conducting glue layer 4, can discharge the air that is located between radiating piece 3 and the box body 2, improves heat conduction efficiency.
As shown in fig. 3 and 4, the second end of the heat sink 3 is optionally provided with a plurality of fins 31.
Specifically, the plurality of cooling fins 31 are arranged at the second end of the cooling member 3, so that the cooling area of the cooling member 3 can be greatly increased, and the cooling effect of the cooling member 3 on the box body 2 is improved.
Wherein a plurality of fins 31 are evenly distributed over the second end of the heat sink 3.
As shown in fig. 3 and 4, optionally, the first end of the heat sink 3 is provided with a locking groove 32, and the locking groove 32 is locked to the case 2.
Specifically, in order to connect the heat dissipation member 3 to the box body 2, the first end of the heat dissipation member 3 is provided with the clamping groove 32, and the heat dissipation member 3 can be quickly clamped on the box body 2 of the junction box through the clamping groove 32. Moreover, before installation, heat-conducting glue can be coated outside the clamping groove 32 or the junction box, so that the whole gap between the clamping groove 32 and the box body 2 of the junction box is filled with the heat-conducting glue layer 4 formed by the heat-conducting glue, and the heat-conducting efficiency is improved.
As shown in fig. 4, the card slot 32 may alternatively include barb-shaped claws 321 at both ends of the box body 2, and the box body 2 of the junction box is caught by the barb-shaped claws 321.
In an embodiment of the present application, there is provided a terminal box, including: a heat conductor 1 and a box body 2; the heat conductor 1 is filled in the box body 2, the heat conductor 1 is connected with the first end and the second end of the box body 2 respectively, and the first end of the box body 2 is fixed on the end face of the photovoltaic panel, which is away from the lighting surface. In this way, the heat conductor 1 is filled in the box body 2 of the junction box, so that the temperature of the first end of the box body 2 connected with the high-heat photovoltaic panel can be quickly conducted to the second end of the box body 2 with relatively low temperature, the heat dissipation performance of the junction box is improved, the overall temperature of the junction box is effectively reduced, and the electrical performance and the safety of the photovoltaic assembly are improved; and then solve the not good technical problem of terminal box heat dissipation among the photovoltaic module in the correlation technique.
Based on the same technical concept, the application also provides a photovoltaic module, which comprises a photovoltaic panel and the junction box;
the first end of box body 2 is fixed on the terminal surface that the photovoltaic board back of body kept away from the daylighting face.
In the photovoltaic module that this embodiment provided, through adopting foretell terminal box, can promote photovoltaic module's electrical property and security.
Based on the same technical concept, the application also provides a curtain wall which comprises the photovoltaic module.
In the curtain wall provided by the embodiment, by adopting the photovoltaic module with higher electrical performance and safety, the overall electrical performance and safety of the curtain wall are also improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A junction box, comprising: a heat conductor and a case;
the heat conductor is filled in the box body, the heat conductor is connected with the first end and the second end of the box body respectively, and the first end of the box body is fixed on the end face of the photovoltaic panel, which is away from the lighting surface.
2. The junction box of claim 1, wherein the material of the thermal conductor comprises thermally conductive material particles.
3. The junction box of claim 2, wherein the material of said thermal conductor further comprises an insulating gel, and said thermally conductive material particles are distributed in said insulating gel.
4. The junction box of claim 1, wherein the second end of the box body is opposite the first end.
5. The junction box of claim 4, further comprising a heat sink;
the first end of the heat dissipation member is fixed at the second end of the box body.
6. The junction box of claim 5, further comprising a layer of thermally conductive adhesive;
the heat-conducting adhesive layer is located between the heat-radiating piece and the box body.
7. The junction box of claim 5, wherein the second end of the heat sink is provided with a plurality of fins.
8. The junction box of claim 5, wherein a first end of the heat sink is provided with a snap groove, and the snap groove is snapped on the box body.
9. A photovoltaic module comprising a photovoltaic panel and the junction box of any of claims 1-8;
the first end of the box body is fixed on the end face of the photovoltaic panel, which is away from the lighting surface.
10. A curtain wall comprising a photovoltaic module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368436.0U CN210183285U (en) | 2019-08-21 | 2019-08-21 | Junction box, photovoltaic module and curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368436.0U CN210183285U (en) | 2019-08-21 | 2019-08-21 | Junction box, photovoltaic module and curtain wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210183285U true CN210183285U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921368436.0U Active CN210183285U (en) | 2019-08-21 | 2019-08-21 | Junction box, photovoltaic module and curtain wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210183285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113938099A (en) * | 2021-09-15 | 2022-01-14 | 中节能太阳能科技（镇江）有限公司 | Photovoltaic terminal box with hydrophobic and heat dissipation function |
| CN114222487A (en) * | 2021-12-23 | 2022-03-22 | 常熟市福莱德连接器科技有限公司 | External radiator of photovoltaic terminal box |
-
2019
- 2019-08-21 CN CN201921368436.0U patent/CN210183285U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113938099A (en) * | 2021-09-15 | 2022-01-14 | 中节能太阳能科技（镇江）有限公司 | Photovoltaic terminal box with hydrophobic and heat dissipation function |
| CN113938099B (en) * | 2021-09-15 | 2024-07-16 | 中节能太阳能科技（镇江）有限公司 | Photovoltaic junction box with hydrophobic and heat dissipation functions |
| CN114222487A (en) * | 2021-12-23 | 2022-03-22 | 常熟市福莱德连接器科技有限公司 | External radiator of photovoltaic terminal box |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710000 Floor 26, Qujiang C Block, Wangzuo, Yanxiang Road, Qujiang New Area, Xi'an City, Shaanxi Province Patentee after: Xi'an Zhongyijian Technology Group Co.,Ltd. Address before: 710000 Floor 26, Qujiang C Block, Wangzuo, Yanxiang Road, Qujiang New Area, Xi'an City, Shaanxi Province Patentee before: Xi'an Zhongyijian Technology Co.,Ltd. |