CN213990598U - Photovoltaic junction box and photovoltaic module - Google Patents
Photovoltaic junction box and photovoltaic module Download PDFInfo
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- CN213990598U CN213990598U CN202023035491.3U CN202023035491U CN213990598U CN 213990598 U CN213990598 U CN 213990598U CN 202023035491 U CN202023035491 U CN 202023035491U CN 213990598 U CN213990598 U CN 213990598U
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- photovoltaic
- clamping
- junction box
- diode
- conductive substrate
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- 239000000758 substrate Substances 0.000 claims abstract description 34
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 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 utility model provides a photovoltaic terminal box and photovoltaic module of using this photovoltaic terminal box. The photovoltaic junction box comprises a shell, two connectors penetrating through the shell and a conductive assembly accommodated in the shell, wherein the conductive assembly comprises a conductive substrate and a diode connected to the conductive substrate, a clamping component used for clamping the diode is arranged on the conductive substrate, and at least one diode is detachably connected with the conductive substrate through the clamping component. The utility model discloses a photovoltaic terminal box can be applicable to the photovoltaic module of different models/kind simultaneously according to the quantity of demand free collocation diode, has simple structure, the equipment advantage that makes things convenient for cost of maintenance low.
Description
Technical Field
The utility model relates to a photovoltaic terminal box and photovoltaic module of using this photovoltaic terminal box belong to photovoltaic technical field.
Background
With the development of photovoltaic technology, the cell of the photovoltaic module is larger and larger, so that the power generation efficiency of the photovoltaic module is improved, and meanwhile, the short-circuit current and the open-circuit voltage of the photovoltaic module are increased, and therefore, the requirement on the photovoltaic junction box is higher.
In order to meet the use requirement of a photovoltaic module, the existing photovoltaic junction box is often connected with one or more chips in parallel in a connecting pipe structure through increasing the chips of a diode structure, so that the purpose of improving the heat dissipation performance of the photovoltaic junction box is further achieved, however, the existing photovoltaic junction box structure still has the following defects: 1. the diode structure comprises a plurality of chips, so that the processing technology of the diode structure is complex and the reliability is low; 2. different photovoltaic junction boxes need to be designed for diode structures with different numbers of chips, so that the photovoltaic junction boxes are more in types and cannot be used compatibly; 3. the traditional axial diode parallel connection and insertion structure is complex, the space required by the photovoltaic junction box is large, and the use of the existing double-sided photovoltaic module cannot be met.
In view of the above, there is a need to provide a new photovoltaic junction box to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a photovoltaic terminal box, this photovoltaic terminal box can be applicable to the photovoltaic module of different models/kind simultaneously according to the quantity of demand free collocation diode, have simple structure, the equipment advantage that the convenient cost of maintenance is low.
In order to realize the above object of the present invention, the present invention provides a photovoltaic junction box, which comprises a housing, a connecting part and a conductive component, wherein the two connectors of the housing are accommodated in the housing, the conductive component comprises a conductive substrate and a diode connected to the conductive substrate, the conductive substrate is provided with a holding member for holding the diode, at least one of the holding member and the conductive substrate is detachably connected to the diode.
As a further improvement of the present invention, the holding member includes a first member and a second member provided in pair, and the center lines of the first member and the second member are located on the same straight line.
As a further improvement of the present invention, the first member and the second member each include an elastic clamp and a guide portion provided at an end of the elastic clamp, an end of the elastic clamp extending is formed with a clamping gap for clamping the diode, and a width of the clamping gap is adjustable.
As a further improvement of the present invention, the guiding portion is a portion of the elastic clamp body extending outward to form, and the guiding portion is perpendicular to the section of the clamping member extending upward is in a V-shape, the diode passes through the guiding portion is inserted into the elastic clamp body and passes through the elastic clamp body and the conductive substrate electric connection.
As a further improvement of the utility model, the clamping member is provided with many pairs simultaneously, and two pairs of adjacent setting the mutual parallel arrangement of clamping member.
As a further improvement of the present invention, the diode includes a body and two clamping tabs, two, which are connected to the body, the clamping tabs are oppositely disposed on both sides of the body.
As a further improvement of the present invention, the conductive substrate includes a first portion and a second portion disposed at an interval, the first portion and the second portion are all provided with a connecting hole for connecting the clamping member, and the clamping member is connected to the conductive substrate electrically through a connecting structure passing through the connecting hole.
As a further improvement of the present invention, the housing includes a bottom shell, a top plate fastened to the bottom shell, the top plate is detachably connected to the bottom shell, and the conductive assembly is fixed to the bottom shell.
As a further improvement of the present invention, the conductive substrate is a metal substrate made of copper or copper alloy; the clamping component is a metal component made of copper or copper alloy; the shell is an insulating shell made of insulating materials.
In order to realize the above purpose, the utility model also provides a photovoltaic module, be in including photovoltaic body and connection terminal box on the photovoltaic body, the terminal box is aforementioned photovoltaic terminal box.
The utility model has the advantages that: the photovoltaic junction box of the utility model can complete the assembly of the diode and the photovoltaic junction box without welding by arranging the clamping component, thereby reducing the production cost of the photovoltaic junction box; and the number of diodes in the same photovoltaic junction box can be selected according to actual needs, so that the application range of the photovoltaic junction box is effectively widened. Meanwhile, the connection between the diode and the conductive assembly is realized in an inserting mode, the photovoltaic junction box is convenient to use and maintain, and meanwhile, the production and maintenance cost of the photovoltaic assembly using the photovoltaic junction box is further reduced.
Drawings
Fig. 1 is the utility model discloses photovoltaic terminal box cancels the stereogram of roof.
Fig. 2 is a top view of the photovoltaic junction box of fig. 1.
Fig. 3 is a schematic exploded view of the conductive assembly of fig. 1.
Fig. 4 is a schematic sectional view in the direction of a-a in fig. 2.
Fig. 5 is a schematic structural diagram of the photovoltaic module of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
In order to avoid obscuring the present invention with unnecessary details, it should be noted that only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.
In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 and 2, the present invention discloses a photovoltaic junction box 100, which includes a housing 1, two connectors (not shown) penetrating through the housing 1, and a conductive assembly 2 accommodated in the housing 1, wherein the specific structure of the connector and the conductive assembly 2 and the connection relationship therebetween can adopt the existing technical solution, and therefore, the detailed description thereof is omitted, and no limitation is imposed.
The housing 1 is an insulating housing made of an insulating material, and includes a bottom shell 11 and a top plate (not shown), the top plate is fastened on the bottom shell 11 to form an accommodating space 12 for accommodating the conductive component 2, and further, the top plate is detachably connected with the bottom shell 11, so that the conductive component 2 accommodated in the accommodating space 12 can be conveniently installed and replaced.
The utility model discloses a in a preferred embodiment, still be equipped with seal structure between roof and the drain pan 11, so set up, effectively promoted photovoltaic terminal box 100's sealed degree, further promoted photovoltaic terminal box 100's life.
Referring to fig. 3, the conductive element 2 includes a conductive substrate 21 and a diode 22 connected to the conductive substrate 21. Conductive substrate 21 is the platelike setting to connect on drain pan 11 through screw member 23, in a preferred embodiment of the utility model, conductive substrate 21 is the metal substrate who adopts copper or copper alloy to make, certainly in other embodiments of the utility model, conductive substrate 21 can also be the base plate that adopts other conducting material to make.
Referring to fig. 1 to 4, the diode 22 includes a body 221 and two clamping tabs 222 connected to the body 221, and the two clamping tabs 222 are disposed on two sides of the body 221 in an opposite manner. In the present invention, the clamping tab 222 is connected to the bottom of the body 221, and the plane of the clamping tab 222 is perpendicular to the plane of the conductive substrate 21, so that the projection of the diode 22 on the horizontal plane is substantially in a "convex" shape, of course, in other embodiments of the present invention, the diode 22 may be in other shapes, and the shape of the diode 22 in the embodiment of the present invention is only exemplary, and should not be limited thereto.
In the present invention, the conductive assembly 2 further includes a clamping member 24 disposed on the conductive substrate 21, specifically, the conductive substrate 21 includes a first portion 211 and a second portion 212 disposed at an interval; the clamping member 24 includes a first member 241 and a second member 242 arranged in pairs.
Specifically, the first portion 211 and the second portion 212 are each provided with a connection hole 213, and the first member 241 is electrically connected to the first portion 211 through a connection structure 25 penetrating the connection hole 213; the second member 242 is electrically connected to the second portion 212 through the connection structure 25 penetrating the connection hole 213, and the middle lines of the first member 241 and the second member 242 are located on the same straight line; the two clamping tabs 222 of the diode 22 are clamped between the first and second members 241 and 242, respectively, to achieve on/off of current between the first and second portions 211 and 212.
Preferably, the connecting structure 25 is a metal rivet made of copper/copper alloy, but of course, in other embodiments of the present invention, the connecting structure 25 may also be other connecting structures for electrically connecting the clamping member 24 and the conductive substrate 21, such as conductive glue, metal bolts, etc.
In a preferred embodiment of the present invention, the first member 241 and the second member 242 are perpendicular to the conductive substrate 21 and have the same structure. Specifically, each of the first member 241 and the second member 242 in the present embodiment includes an elastic clip body 243 and a guide portion 244 provided at an end of the elastic clip body 243.
The elastic clamp body 243 includes a connecting plate 2431 and two elastic pieces 2432 connected to both sides of the connecting plate 2431, the two elastic pieces 2432 extend in a direction substantially perpendicular to the connecting plate 2431, and a clamping gap (not numbered) for clamping the clamping tab 222 of the diode 22 is formed at an end where the two elastic pieces 2432 extend, and a width of the clamping gap is adjustable.
The guide portion 244 is formed by extending the end portions of the two elastic pieces 2432 of the elastic clamp body 243 outwards, and the section of the guide portion 244 in the direction perpendicular to the extending direction of the clamping member 24 is in a V-shaped arrangement, when the clamping lead piece 222 of the diode 22 needs to be inserted into the first member 241 and the second member 242, the clamping lead piece 222 can be inserted into the elastic clamp body 243 through the guide portion 244 and clamped between the clamping gaps, so that the electrical connection between the clamping member 24 and the conductive substrate 1 can be completed without welding, the installation between the diode 22 and the clamping member 24 can be facilitated, meanwhile, when the diode 22 is abnormally used, the diode 22 can be directly detached and replaced, and the service life of the photovoltaic junction box 100 is effectively prolonged.
The utility model provides a clamping member 24 can be provided with one pair or be provided with many pairs simultaneously, and when clamping member 24 is provided with many pairs simultaneously, two pairs of clamping member 24 of adjacent setting are parallel to each other, and the extending direction of many pairs of clamping member 24 is unanimous with photovoltaic terminal box 100's length direction, so set up, can effectively reduce the volume that occupies when many pairs of clamping member 24 make up, be favorable to reducing photovoltaic terminal box 100's width, realize the miniaturization of photovoltaic terminal box 100's volume then.
Further, at least one diode 22 can be dismantled with electrically conductive base plate 21 through one or more pairs of clamping member 24 and be connected, wherein, the specific quantity that sets up of diode 22 can be selected according to photovoltaic terminal box 100 practical application's position and the scope size of the electric current that needs to adjust, so set up, make the utility model discloses in the electric current that photovoltaic terminal box 100 received and transmitted is adjustable, has effectively promoted the application scope of photovoltaic terminal box 100, promptly, the quantity that sets up of diode 22 in this application description figure is merely exemplary, should not take this as the limit.
Referring to fig. 5, the present invention further provides a photovoltaic module 200, which includes a photovoltaic body 210 and a junction box connected to the photovoltaic body 210, wherein the junction box is the aforementioned photovoltaic junction box 100, and further, the photovoltaic module 200 can be connected to other photovoltaic modules 200 or led out electric energy through a connector on the photovoltaic junction box 100, so as to finally realize the conversion from the light energy of the photovoltaic module 200 to the electric energy.
It should be noted that the photovoltaic body 210 may be a single-glass photovoltaic laminate or a dual-glass photovoltaic laminate, that is, the specific structure of the photovoltaic body 210 may be designed according to the prior art or the actual situation, and the photovoltaic body 210 is not described in detail herein.
To sum up, the photovoltaic junction box 100 of the present invention can complete the assembly of the diode 22 and the photovoltaic junction box 100 without welding by providing the clamping member 24, thereby reducing the production cost of the photovoltaic junction box 100; and the number of diodes in the same photovoltaic junction box 100 can be selected according to actual needs, so that the application range of the photovoltaic junction box 100 is effectively expanded. Meanwhile, the connection between the diode 22 and the conductive component 2 is realized in an insertion mode, so that the production and maintenance costs of the photovoltaic component 200 using the photovoltaic junction box 100 are further reduced while the use and maintenance of the photovoltaic junction box 100 are facilitated.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A photovoltaic junction box comprises a shell, two connectors penetrating through the shell and a conductive assembly accommodated in the shell, and is characterized in that: the conductive assembly comprises a conductive substrate and a diode connected to the conductive substrate, a clamping member for clamping the diode is arranged on the conductive substrate, and at least one diode is detachably connected to the conductive substrate through the clamping member.
2. The photovoltaic junction box of claim 1, wherein: the clamping member comprises a first member and a second member which are arranged in pairs, and middle lines extending from the first member and the second member are positioned on the same straight line.
3. The photovoltaic junction box of claim 2, wherein: the first component and the second component respectively comprise an elastic clamp body and a guide part arranged at the end part of the elastic clamp body, a clamping gap used for clamping the diode is formed at the extending end part of the elastic clamp body, and the width of the clamping gap is adjustable.
4. The photovoltaic junction box of claim 3, wherein: the guide part is formed by extending the end part of the elastic clamp body outwards, the section of the guide part in the extending direction perpendicular to the clamping component is arranged in a V shape, and the diode is inserted into the elastic clamp body through the guide part and is electrically connected with the conductive substrate through the elastic clamp body.
5. The photovoltaic junction box of claim 1, wherein: the clamping members are simultaneously provided with a plurality of pairs, and two pairs of the clamping members which are adjacently arranged are arranged in parallel.
6. The photovoltaic junction box of claim 1, wherein: the diode comprises a body and two clamping leading pieces connected to the body, wherein the two clamping leading pieces are oppositely arranged on two sides of the body.
7. The photovoltaic junction box of claim 1, wherein: the conductive substrate comprises a first part and a second part which are arranged at intervals, connecting holes used for connecting the clamping members are formed in the first part and the second part, and the clamping members are electrically connected with the conductive substrate through connecting structures penetrating through the connecting holes.
8. The photovoltaic junction box of claim 1, wherein: the shell comprises a bottom shell and a top plate buckled on the bottom shell, the top plate is detachably connected with the bottom shell, and the conductive assembly is fixed on the bottom shell.
9. The photovoltaic junction box of claim 1, wherein: the conductive substrate is a metal substrate made of copper or copper alloy; the clamping component is a metal component made of copper or copper alloy; the shell is an insulating shell made of insulating materials.
10. A photovoltaic module, includes photovoltaic body and connects terminal box on the photovoltaic body, its characterized in that: the junction box is the photovoltaic junction box as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023035491.3U CN213990598U (en) | 2020-12-16 | 2020-12-16 | Photovoltaic junction box and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023035491.3U CN213990598U (en) | 2020-12-16 | 2020-12-16 | Photovoltaic junction box and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213990598U true CN213990598U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023035491.3U Active CN213990598U (en) | 2020-12-16 | 2020-12-16 | Photovoltaic junction box and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213990598U (en) |
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2020
- 2020-12-16 CN CN202023035491.3U patent/CN213990598U/en active Active
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