CN220368692U - Junction box and photovoltaic module - Google Patents
Junction box and photovoltaic module Download PDFInfo
- Publication number
- CN220368692U CN220368692U CN202321787445.XU CN202321787445U CN220368692U CN 220368692 U CN220368692 U CN 220368692U CN 202321787445 U CN202321787445 U CN 202321787445U CN 220368692 U CN220368692 U CN 220368692U
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- copper sheet
- copper
- box
- seat
- junction box
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 312
- 229910052802 copper Inorganic materials 0.000 claims abstract description 312
- 239000010949 copper Substances 0.000 claims abstract description 312
- 239000002313 adhesive film Substances 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 239000012943 hotmelt Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920006280 packaging film Polymers 0.000 description 4
- 239000012785 packaging film Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding 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
Abstract
The utility model discloses a junction box and a photovoltaic module, wherein the junction box comprises: the negative electrode, the middle and the positive electrode junction boxes comprise box bodies and box covers; a module diode, a first copper sheet and a second copper sheet are arranged on one side of the box cover, which is close to the box body, and the module diode is respectively connected with the first copper sheet and the second copper sheet; the first copper sheet and the second copper sheet are respectively provided with a plug connector along one side far away from the module diode; a first copper seat and a second copper seat are arranged on one side of the box body close to the box cover; the first copper seat and the second copper seat are respectively provided with a plug seat along the side close to the box cover; the plug connector of the first copper sheet is inserted into the plug connector of the first copper seat; the plug connector of the second copper sheet is inserted into the plug connector of the second copper seat; the terminal box in this embodiment is inside to need not the encapsulating, and module diode installs on the box cover, and module diode damages the back and can directly change, convenient to detach to the unable condition of using of photovoltaic module takes place after having avoided module diode to damage.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to a junction box and a photovoltaic module.
Background
The junction box is one of eight major materials of the photovoltaic module, and has an important role in the photovoltaic module; connecting photovoltaic modules in the photovoltaic power station by using a junction box to form a photovoltaic module array; in the prior art, in the abnormal phenomenon of the photovoltaic module at the photovoltaic power station end, the abnormal phenomenon caused by the problem of a junction box has very high occupancy rate.
At present, all adorn on the base with the busbar welding and switch on for the diode in the current terminal box, adopt the mode of encapsulating to fix the diode after covering the lid, consume volume of using and encapsulating process cost to the diode can not dismantle after the encapsulating, after the diode takes place to damage, can't change in the power station terminal box, causes whole photovoltaic module to be unable to use.
Disclosure of Invention
In view of the above, the utility model provides a junction box and a photovoltaic module, which solve the defect that a diode in the junction box cannot be replaced after being damaged.
In a first aspect, the present embodiment provides a junction box, including: the negative electrode junction box, the middle junction box and the positive electrode junction box comprise box bodies and box covers which are connected with the box bodies in a covering mode;
a module diode, a first copper sheet and a second copper sheet are arranged on one side of the box cover, which is close to the box body, wherein the first end of the module diode is connected with the first copper sheet, and the second end of the module diode is connected with the second copper sheet; the first copper sheet and the second copper sheet are respectively provided with a plug connector along one side far away from the module diode;
a first copper seat and a second copper seat which are used for connecting the bus bars are arranged on one side, close to the box cover, of the box body; the first copper seat and the second copper seat extend to form a plug seat along one side close to the box cover; the plug connector of the first copper sheet is inserted into the plug connector of the first copper seat; the plug connector of the second copper sheet is inserted into the plug connector of the second copper seat.
Optionally, the socket comprises a first support plate and a second support plate, one side, close to the box body, of the first support plate and the second support plate is connected with the first copper seat and the second copper seat, and the plug connector is inserted between the first support plate and the second support plate.
Optionally, the first support plate and the second support plate are arc-shaped, and the first support plate and the second support plate protrude along one side close to the plug connector.
Optionally, the plug connector includes: the connecting plate is connected with one side, far away from the module diode, of the first copper sheet and the second copper sheet, the plug board extends along one side, close to the box body, of the module diode, and the plug board is spliced with the corresponding plug socket;
the orthographic projection of the connecting plate on the first copper sheet on the module diode and the orthographic projection of the connecting plate on the second copper sheet on the module diode are not overlapped;
the orthographic projection of the plug board on the first copper sheet on the module diode and the orthographic projection of the plug board on the second copper sheet on the module diode are overlapped.
Optionally, the box cover comprises a top plate, a baffle is arranged on the top plate along the periphery, and the baffle is positioned on one side of the box cover, which is close to the box body.
Optionally, a first groove is formed in the outer side wall of the box body along the circumferential direction, a waterproof ring is arranged in the first groove, and a second groove is formed in the inner side wall of the baffle along the circumferential direction; one side of the waterproof ring far away from the box body is embedded into the second groove.
Optionally, the first copper sheet and the second copper sheet are all equipped with the limiting plate, the limiting plate is along being close to one side extension of lid, the limiting plate is close to one side of lid is supported and is propped on the lid.
Optionally, an upper positioning column is arranged on the end face of one side of the box cover, which is close to the box body, and the first copper sheet and the second copper sheet are both provided with upper positioning holes, and the upper positioning columns are inserted into the corresponding upper positioning holes;
and/or, a lower positioning column is arranged on the end face of one side of the box body, which is close to the box cover, and the first copper seat and the second copper seat are both provided with lower positioning holes, and the lower positioning column is inserted into the corresponding lower positioning holes.
Optionally, the first copper sheet and the corresponding plug connector are of an integrated structure; and/or the number of the groups of groups,
the second copper sheet and the corresponding plug connector are of an integrated structure; and/or the number of the groups of groups,
the first copper seat and the corresponding plug seat are of an integrated structure; and/or the number of the groups of groups,
the second copper seat and the corresponding plug seat are of an integrated structure.
In a second aspect, the present application provides a photovoltaic module, including a front cover plate, a front packaging adhesive film, a battery string, a back packaging adhesive film, and a back cover plate that are stacked; and the junction box is arranged on the back cover plate, and is any one of the junction boxes.
Compared with the prior art, the junction box and the photovoltaic module provided by the utility model have the beneficial effects that at least the following are realized:
the utility model provides a junction box and a photovoltaic module, wherein the junction box comprises: the negative electrode junction box, the middle junction box and the positive electrode junction box comprise box bodies and box covers; the box cover is provided with a module diode, and a first end and a second end of the module diode are respectively connected with the first copper sheet and the second copper sheet; the box body is provided with a first copper seat and a second copper seat; the plug connector of the first copper sheet is inserted into the plug connector of the first copper seat, and the plug connector of the second copper sheet is inserted into the plug connector of the second copper seat; the box cover is covered on the box body, the circuit from the bus bar to the module diode can be conducted by inserting the plug connector into the corresponding plug connector, when the module diode is damaged and needs to be replaced, the box cover is detached from the box body, and meanwhile, the plug connector is separated from the corresponding plug connector, so that the module diode can be replaced. The terminal box in this embodiment need not the encapsulating inside box body and lid, and module diode installs on the box cover, and module diode can directly be changed after damaging, convenient to detach to the unable condition of using of photovoltaic module takes place after having avoided module diode to damage.
Of course, it is not necessary for any one product embodying the utility model to achieve all of the technical effects described above at the same time.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic diagram of a box body structure of a junction box according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a box cover structure of a junction box according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a positive electrode junction box according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a module diode, a first copper sheet and a second copper sheet according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a first copper base and a second copper base according to an embodiment of the present utility model;
FIG. 6 is a schematic structural view of a first copper sheet and a second copper sheet according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a structure of a box cover according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a box body of another junction box according to an embodiment of the present utility model;
fig. 9 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present utility model.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Referring to fig. 1 to 4, fig. 1 is a schematic view of a box body structure of a junction box according to an embodiment of the present utility model; fig. 2 is a schematic diagram of a box cover structure of a junction box according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a positive electrode junction box according to an embodiment of the present utility model; fig. 4 is a schematic structural diagram of a module diode, a first copper sheet and a second copper sheet according to an embodiment of the present utility model; the present embodiment provides a junction box 100 including: the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3, wherein the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3 comprise a box body 4 and a box cover 5 which is connected with the box body 4 in a covering manner; a module diode 6, a first copper sheet 7 and a second copper sheet 8 are arranged on one side of the box cover 5, which is close to the box body 4, a first end 6a of the module diode 6 is connected with the first copper sheet 7, and a second end 6b of the module diode 6 is connected with the second copper sheet 8; the first copper sheet 7 and the second copper sheet 8 are provided with plug connectors 9 along one side far away from the module diode 6; a first copper seat 10 and a second copper seat 11 for connecting a bus bar 13 are arranged on one side of the box body 4 close to the box cover 5; the first copper seat 10 and the second copper seat 11 are respectively provided with a plug seat 12 along one side close to the box cover 5; the plug connector 9 of the first copper sheet 7 is inserted into the plug connector 12 of the first copper seat 10; the plug connector 9 of the second copper sheet 8 is inserted into the plug connector 12 of the second copper seat 11.
Specifically, with continued reference to fig. 1 to 3, it should be noted that, in order to clearly show the box body structure of the junction box in this embodiment, fig. 1 shows not only the structure of the box body 4 but also the structures of the first copper base 10, the second copper base 11 and the socket 12; for clarity of illustration of the cover structure of the junction box in this embodiment, fig. 2 shows not only the structure of the cover 5 but also the structures of the first copper sheet 7, the second copper sheet 8 and the plug connector 9; the present embodiment provides a junction box 100 including: the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3 are positioned on the same photovoltaic module, and can be sequentially arranged along a straight line; the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3 are all connected with bus bars 13 on the photovoltaic modules, and in addition, the negative electrode junction box 1 and the positive electrode junction box 3 can be connected with adjacent photovoltaic modules through cables; the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3 all comprise a box body 4 and a box cover 5 which is connected with the box body 4 in a covering manner; the box body 4 and the box cover 5 are respectively provided with a containing space and an opening relatively.
With continued reference to fig. 1 and 2, a module diode 6, a first copper sheet 7 and a second copper sheet 8 are arranged on one side of the box cover 5, which is close to the box body 4, and the module diode 6, the first copper sheet 7 and the second copper sheet 8 are connected with the surface of one side of the box cover 5, which is close to the box body 4; as shown in connection with fig. 4, the module diode 6 has opposite first and second ends 6a, 6b; specifically, the module diode 6 may be configured such that the first end 6a is a positive electrode and the second end 6b is a negative electrode; the module diode 6 may also be configured such that the first end 6a is a negative electrode and the second end 6b is a positive electrode, which is not particularly limited in this embodiment; the first end 6a of the module diode 6 and the first copper sheet 7 can be electrically connected by adopting an injection molding process, and the second end 6b of the module diode 6 and the second copper sheet 8 can be electrically connected by adopting an injection molding process; the first copper sheet 7 and the second copper sheet 8 are provided with plug connectors 9 along one side far away from the module diode 6; the first copper sheet 7 and the second copper sheet 8 are respectively electrically connected with the corresponding plug connector 9.
With continued reference to fig. 1 to 3, the side of the case body 4, which is close to the case cover 5, is provided with a first copper seat 10 and a second copper seat 11 for connecting a bus bar 13; the first copper seat 10 and the second copper seat 11 are respectively connected with the surface of one side of the box body 4 close to the box cover 5; the first copper seat 10 and the second copper seat 11 are respectively provided with a plug seat 12 along one side close to the box cover 5 in an extending way, and the first copper seat 10 and the second copper seat 11 are respectively and electrically connected with the corresponding plug seats 12; the plug connector 9 of the first copper sheet 7 is plugged in the plug connector 12 of the first copper seat 10, the plug connector 9 of the second copper sheet 8 is plugged in the plug connector 12 of the second copper seat 11, the plug connector 9 is detachably connected with the corresponding plug connector 12, the box cover 5 is covered on the box body 4, the circuit from the bus bar 13 to the module diode 6 can be conducted by inserting the plug connector 9 into the corresponding plug connector 12, when the module diode 6 is damaged and needs to be replaced, the box cover 5 is detached from the box body 4, meanwhile, the plug connector 9 is separated from the corresponding plug connector 12, and the module diode 6 can be replaced at the moment. The terminal box in this embodiment need not the encapsulating in box body 4 and lid 5 inside, and module diode 6 installs on lid 5, and module diode 6 can directly be changed after damaging, convenient to detach to the unable condition of using of photovoltaic module takes place after having avoided module diode 6 to damage.
According to the embodiment, the terminal box provided by the embodiment at least has the following beneficial effects:
the present embodiment provides a junction box 100 including: the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3, wherein the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3 comprise a box body 4 and a box cover 5; the box cover 5 is provided with a module diode 6, and a first end 6a and a second end 6b of the module diode 6 are respectively connected with a first copper sheet 7 and a second copper sheet 8; the box body 4 is provided with a first copper seat 10 and a second copper seat 11; the plug connector 9 of the first copper sheet 7 is inserted into the plug connector 12 of the first copper seat 10, and the plug connector 9 of the second copper sheet 8 is inserted into the plug connector 12 of the second copper seat 11; the box cover 5 is covered on the box body 4, the circuit from the bus bar 13 to the module diode 6 can be conducted by inserting the plug connector 9 into the corresponding plug connector 12, when the module diode 6 is damaged and needs to be replaced, the box cover 5 is detached from the box body 4, and meanwhile, the plug connector 9 is separated from the corresponding plug connector 12, so that the module diode 6 can be replaced. The terminal box in this embodiment need not the encapsulating in box body 4 and lid 5 inside, and module diode 6 installs on lid 5, and module diode 6 can directly be changed after damaging, convenient to detach to the unable condition of using of photovoltaic module takes place after having avoided module diode 6 to damage.
In some alternative embodiments, referring to fig. 5 and 6, fig. 5 is a schematic structural diagram of a first copper base and a second copper base provided in an embodiment of the present utility model; FIG. 6 is a schematic structural view of a first copper sheet and a second copper sheet according to an embodiment of the present utility model; the socket 12 comprises a first support plate 121 and a second support plate 122, one side, close to the box body 4, of the first support plate 121 and the second support plate 122 is connected with the first copper seat 10 and the second copper seat 11, and the plug connector 9 is inserted between the first support plate 121 and the second support plate 122.
Specifically, as shown in fig. 5 and 6, in this embodiment, the first copper base 10 and the second copper base 11 are both provided with a socket 12, and the socket 12 includes a first support plate 121 and a second support plate 122; on the first copper base 10, one side of the first support plate 121 and the second support plate 122, which is close to the box body 4, is connected with the first copper base 10; on the second copper seat 11, one side of the first support plate 121 and the second support plate 122, which is close to the box body 4, is connected with the second copper seat 11; the plug connector 9 is inserted between the first support plate 121 and the second support plate 122; further specifically, the first support plate 121 and the second support plate 122 are structurally the same and symmetrically arranged, and the first support plate 121 and the second support plate 122 are both S-shaped bent plates, which can be understood that the first support plate 121 and the second support plate 122 are respectively provided with two inflection points, one end of the first support plate 121 and the second support plate 122, which is close to the box body 4, is fixedly connected with the first copper seat 10 and the second copper seat 11, and the inflection points of one sides of the first support plate 121 and the second support plate 122, which are close to the box body 4, are protruded towards one side far away from the plug connector 9; the first support plate 121 and the second support plate 122 are free ends at one end close to the box cover 5, and the inflection points of one side of the first support plate 121 and the second support plate 122 close to the box cover 5 are protruded towards one side close to the plug connector 9; according to the embodiment, the plug connector 9 is plugged between the first support plate 121 and the second support plate 122 through the arrangement of the first support plate 121 and the second support plate 122, so that the plug connector 9 and the plug connector seat 12 can be conveniently plugged and disassembled, the box cover 5 and the box body 4 of the junction box are conveniently installed and disassembled, the module diode 6 is further conveniently and directly replaced after being damaged, and the situation that the photovoltaic module cannot be used after the module diode 6 is damaged is avoided.
In some alternative embodiments, the first and second support plates 121, 122 are arc-shaped, and the first and second support plates 121, 122 protrude along a side near the socket 9.
Specifically, with continued reference to fig. 3 and 5, in this embodiment, the first support plate 121 and the second support plate 122 are arc-shaped, and the first support plate 121 and the second support plate 122 protrude along a side close to the plug connector 9; the first support plate 121 and the second support plate 122 may be C-shaped bent plates, S-shaped bent plates, semicircular bent plates, or other irregularly shaped bent plates according to actual situations, which is not particularly limited in this embodiment; because the first support plate 121 and the second support plate 122 are arc-shaped, the first support plate 121 and the second support plate 122 are protruded along one side close to the plug connector 9, so that the distance between the first support plate 121 and the second support plate 122 is reduced, when the plug connector 9 is inserted between the first support plate 121 and the second support plate 122, the plug connector 9 is more firmly connected with the first support plate 121 and the second support plate 122, the poor contact of a circuit caused by collision and vibration of the plug connector 9 and the first support plate 121 and the second support plate 122 in the process of carrying is prevented, and the integral circuit connection of the junction box and the photovoltaic module is avoided; further specifically, the first support plate 121 and the second support plate 122 are structurally the same and symmetrically arranged, and the first support plate 121 and the second support plate 122 are both S-shaped bent plates, which can be understood that the first support plate 121 and the second support plate 122 are respectively provided with two inflection points, one end of the first support plate 121 and the second support plate 122, which is close to the box body 4, is fixedly connected with the first copper seat 10 and the second copper seat 11, and the inflection points of one sides of the first support plate 121 and the second support plate 122, which are close to the box body 4, are protruded towards one side far away from the plug connector 9; the ends of the first support plate 121 and the second support plate 122 close to the box cover 5 are free ends, and the inflection points of the sides of the first support plate 121 and the second support plate 122 close to the box cover 5 are protruded towards the side close to the plug connector 9.
In some alternative embodiments, the plug 9 comprises: the connecting plate 91 and the plug board 92 connected with the connecting plate 91, the connecting plate 91 is connected with one side of the first copper sheet 7 and the second copper sheet 8 far away from the module diode 6, the plug board 92 extends along one side close to the box body 4, and the plug board 92 is plugged with the corresponding plug socket 12; the orthographic projection of the connecting plate 91 on the first copper sheet 7 on the module diode 6 and the orthographic projection of the connecting plate 91 on the second copper sheet 8 on the module diode 6 are not overlapped; the orthographic projection of the tab 92 on the first copper sheet 7 on the module diode 6 and the orthographic projection of the tab 92 on the second copper sheet 8 on the module diode 6 overlap.
Specifically, with continued reference to fig. 4 and 5, in this embodiment, both the first copper sheet 7 and the second copper sheet 8 are provided with connectors 9 along the side far from the module diode 6; the plug 9 includes: the connecting plate 91 and the plugboard 92 connected with the connecting plate 91, wherein the connecting plate 91 is connected with one side of the first copper sheet 7 and the second copper sheet 8 far away from the module diode 6, the connecting plate 91 and the first copper sheet 7 and the second copper sheet 8 are positioned on the same plane, so that the connecting plate 91 is conveniently installed on the first copper sheet 7 and the second copper sheet 8, and meanwhile, the connecting plate 91 is arranged on the first copper sheet 7 and the second copper sheet 8, so that sufficient space can be provided for the subsequent installation of the plugboard 92; the pin board 92 extends along one side close to the box body 4, and the pin board 92 can be perpendicular to the plane where the connecting plate 91, the first copper sheet 7 and the second copper sheet 8 are located according to practical situations; a first copper seat 10 and a second copper seat 11 for connecting a bus bar 13 are arranged on one side of the box body 4 close to the box cover 5; the first copper seat 10 and the second copper seat 11 are respectively provided with a plug seat 12 along one side close to the box cover 5; the plug board 92 is plugged with the corresponding socket 12, it can be understood that the plug board 92 on the first copper sheet 7 is plugged in the socket 12 on the first copper base 10, the plug board 92 on the second copper sheet 8 is plugged in the socket 12 on the second copper base 11, so that the first copper sheet 7 can be electrically connected with the first copper base 10 through the plug board 92 and the socket 12, and the second copper sheet 8 can be electrically connected with the second copper base 11 through the plug board 92 and the socket 12; the first end 6a of the module diode 6 is connected with the first copper sheet 7, the second end 6b of the module diode 6 is connected with the second copper sheet 8, and meanwhile, the orthographic projection of the connecting plate 91 on the first copper sheet 7 on the module diode 6 and the orthographic projection of the connecting plate 91 on the second copper sheet 8 on the module diode 6 are not overlapped, so that the connecting plate 91 on the first copper sheet 7 and the connecting plate 91 on the second copper sheet 8 are respectively positioned at two ends of the same diagonal line on the module diode 6, and the connecting plate 91 on the first copper sheet 7 and the connecting plate 91 on the second copper sheet 8 can be uniformly distributed in the junction box; the orthographic projection of the pin plate 92 on the first copper sheet 7 on the module diode 6 and the orthographic projection of the pin plate 92 on the second copper sheet 8 on the module diode 6 overlap, that is, the two pin plates 92 on the first copper sheet 7 and the second copper sheet 8 can be exactly located on the central axis of the module diode 6, so that the pin plates 92 can be aligned with the pin sockets 12 more easily and inserted into the pin sockets 12 more accurately.
In some alternative embodiments, referring to fig. 7, fig. 7 is a schematic structural diagram of a box cover according to an embodiment of the present utility model; the lid 5 includes a top plate 51, and the top plate 51 is provided with a baffle plate 52 along the periphery, and the baffle plate 52 is located at one side of the lid 5 near the case body 4.
Specifically, as shown in fig. 4 and 7, in this embodiment, a module diode 6, a first copper sheet 7 and a second copper sheet 8 are disposed on a side of the box cover 5 near the box body 4, and the module diode 6, the first copper sheet 7 and the second copper sheet 8 are all connected with a surface of the box cover 5 near the box body 4; the box cover 5 comprises a top plate 51, a baffle plate 52 is arranged on the top plate 51 along the periphery, and the baffle plate 52 is positioned on one side of the box cover 5 close to the box body 4; it can be understood that the module diode 6, the first copper sheet 7 and the second copper sheet 8 are connected with the surface of the top plate 51 near one side of the box body 4, and meanwhile, the baffle plate 52 is arranged along the periphery of the top plate 51, so that the module diode 6, the first copper sheet 7 and the second copper sheet 8 can be surrounded; when the box cover 5 is detached from the box body 4, the module diode 6, the first copper sheet 7 and the second copper sheet 8 can be taken down from the box body 4 together with the box cover 5, and the baffle plate 52 can well protect all parts in the box cover 5 during taking.
In some alternative embodiments, referring to fig. 8, fig. 8 is a schematic structural view of a box body of another junction box according to an embodiment of the present utility model; the outer side wall of the box body 4 is provided with a first groove 41 along the circumferential direction, a waterproof ring 42 is arranged in the first groove 41, and the inner side wall of the baffle plate 52 is provided with a second groove 53 along the circumferential direction; the side of the waterproof ring 42 remote from the case 4 is embedded in the second groove 53.
Specifically, referring to fig. 7 and 8, in this embodiment, the box body 4 and the box cover 5 are buckled, the box body 4 and the box cover 5 may be connected by a buckle, a first groove 41 is provided on the outer side wall of the box body 4 along the circumferential direction, and a waterproof ring 42 is provided in the first groove 41; the box cover 5 comprises a top plate 51 and a baffle plate 52 connected with the periphery of the top plate 51, and the front projection of the baffle plate 52 on the top plate 51 can form a closed structure; the inner side wall of the baffle plate 52 is provided with a second groove 53 along the circumferential direction, the shape of the first groove 41 is matched with that of the second groove 53, and one side of the waterproof ring 42 far away from the box body 4 is embedded into the second groove 53; in the embodiment, the box body 4 and the box cover 5 are provided with the groove structures, the box body 4 and the box cover 5 are buckled and then are sealed through the waterproof ring 42 in the groove structures, so that the box body 4 and the box cover 5 are tightly matched, and a waterproof function is achieved for the junction box.
In some alternative embodiments, the first copper sheet 7 and the second copper sheet 8 are provided with a limiting plate 14, the limiting plate 14 extends along one side close to the box cover 5, and one side of the limiting plate 14 close to the box cover 5 abuts against the box cover 5.
Specifically, as shown in fig. 3 and 4, in this embodiment, the first copper sheet 7 and the second copper sheet 8 may be located on the same plane, the first copper sheet 7 and the second copper sheet 8 are both provided with a limiting plate 14, the limiting plate 14 extends along a side close to the box cover 5, the limiting plate 14 may be perpendicular to the plane where the first copper sheet 7 and the second copper sheet 8 are located, one side of the limiting plate 14 close to the box cover 5 abuts against the box cover 5, and the box cover 5 includes a top plate 51 and a baffle plate 52 connected to the periphery of the top plate 51, so that the limiting plate 14 is equivalent to being located between the top plate 51 of the box cover 5 and the first copper sheet 7/the second copper sheet 8; the first end 6a of the module diode 6 is electrically connected with the first copper sheet 7, the second end 6b of the module diode 6 is electrically connected with the second copper sheet 8, when the first copper sheet 7, the second copper sheet 8 and the module diode 6 are installed inside the box cover 5, the limiting plate 14 extends along one side close to the box cover 5, and the limiting plate 14 can preferentially touch the box cover 5 compared with the first copper sheet 7 and the second copper sheet 8, so that the first copper sheet 7 and the second copper sheet 8 are installed and limited, the situation that the box cover 5 is too close to the second copper sheet 8 during installation of the first copper sheet 7 and the second copper sheet 8 is avoided, and the module diode 6 connected with the first copper sheet 7 and the second copper sheet 8 is prevented from being knocked.
In some alternative embodiments, an upper positioning column 54 is arranged on one side end surface of the box cover 5 close to the box body 4, upper positioning holes 15 are arranged on the first copper sheet 7 and the second copper sheet 8, and the upper positioning columns 54 are inserted into the corresponding upper positioning holes 15; and/or, the end face of one side of the box body 4, which is close to the box cover 5, is provided with a lower positioning column 43, the first copper seat 10 and the second copper seat 11 are respectively provided with a lower positioning hole 16, and the lower positioning column 43 is inserted into the corresponding lower positioning hole 16.
Specifically, as shown in fig. 1 and 2, in this embodiment, an upper positioning column 54 is disposed on an end surface of one side of the box cover 5, which is close to the box body 4, the upper positioning column 54 extends along one side, which is close to the box body 4, the first copper sheet 7 and the second copper sheet 8 may be located in the same plane, the upper positioning column 54 may be perpendicular to the planes of the first copper sheet 7 and the second copper sheet 8, the first copper sheet 7 and the second copper sheet 8 are both provided with upper positioning holes 15, and the upper positioning holes 15 may be through holes penetrating along a direction perpendicular to the planes of the first copper sheet 7 and the second copper sheet 8; the upper positioning posts 54 are inserted into the corresponding upper positioning holes 15, and the upper positioning posts 54 and the upper positioning holes 15 can be fixedly connected in a hot-melt mode, so that the first copper sheet 7 and the second copper sheet 8 can be fixedly arranged on the box cover 5 through the insertion structures of the upper positioning posts 54 and the upper positioning holes 15.
With continued reference to fig. 1 and 2, in this embodiment, a lower positioning column 43 is disposed on an end surface of a side of the box body 4, which is close to the box cover 5, the lower positioning column 43 extends along a side, which is close to the box cover 5, the first copper seat 10 and the second copper seat 11 may be located in the same plane, the lower positioning column 43 may be perpendicular to the planes of the first copper seat 10 and the second copper seat 11, the first copper seat 10 and the second copper seat 11 are both provided with lower positioning holes 16, and the lower positioning holes 16 may be through holes penetrating along a direction perpendicular to the planes of the first copper seat 10 and the second copper seat 11; the lower positioning columns 43 are inserted into the corresponding lower positioning holes 16, and the lower positioning columns 43 and the lower positioning holes 16 can be fixedly connected in a hot melt mode, so that the first copper seat 10 and the second copper seat 11 can be fixedly installed on the box body 4 through the insertion structures of the lower positioning columns 43 and the lower positioning holes 16.
With continued reference to fig. 1 and 2, in this embodiment, an end face of one side of the box cover 5, which is close to the box body 4, is provided with an upper positioning column 54, the upper positioning column 54 extends along one side, which is close to the box body 4, the first copper sheet 7 and the second copper sheet 8 may be located in the same plane, the upper positioning column 54 may be perpendicular to the planes of the first copper sheet 7 and the second copper sheet 8, the first copper sheet 7 and the second copper sheet 8 are both provided with upper positioning holes 15, and the upper positioning holes 15 may be through holes penetrating along a direction perpendicular to the planes of the first copper sheet 7 and the second copper sheet 8; the upper positioning posts 54 are inserted into the corresponding upper positioning holes 15, and the upper positioning posts 54 and the upper positioning holes 15 can be fixedly connected in a hot-melt mode, so that the first copper sheet 7 and the second copper sheet 8 can be fixedly arranged on the box cover 5 through the insertion structures of the upper positioning posts 54 and the upper positioning holes 15; meanwhile, in this embodiment, a lower positioning column 43 is disposed on an end surface of one side of the box body 4, which is close to the box cover 5, the lower positioning column 43 extends along one side, which is close to the box cover 5, the first copper seat 10 and the second copper seat 11 may be located in the same plane, the lower positioning column 43 may be perpendicular to the planes of the first copper seat 10 and the second copper seat 11, the first copper seat 10 and the second copper seat 11 are both provided with lower positioning holes 16, and the lower positioning holes 16 may be through holes penetrating along a direction perpendicular to the planes of the first copper seat 10 and the second copper seat 11; the lower positioning columns 43 are inserted into the corresponding lower positioning holes 16, and the lower positioning columns 43 and the lower positioning holes 16 can be fixedly connected in a hot melt mode, so that the first copper seat 10 and the second copper seat 11 can be fixedly installed on the box body 4 through the insertion structures of the lower positioning columns 43 and the lower positioning holes 16.
In some alternative embodiments, the first copper sheet 7 and the corresponding plug 9 are of unitary construction; and/or the second copper sheet 8 and the corresponding plug connector 9 are of an integral structure; and/or the first copper base 10 and the corresponding socket 12 are of an integral structure; and/or the second copper seat 11 and the corresponding socket 12 are of an integral structure.
Specifically, as shown in fig. 3, the copper sheet and the corresponding plug connector 9 are in an integrated structure, so that the connection strength of the copper sheet and the plug connector 9 can be enhanced, the carrying and the taking are convenient, and the production efficiency of the copper sheet and the plug connector 9 can be improved; the copper seat and the corresponding socket 12 are of an integrated structure, so that the connection strength of the copper seat and the socket 12 can be enhanced, the copper seat and the socket 12 are convenient to carry and take, and the production efficiency of the copper seat and the socket 12 can be improved; in the embodiment, the first copper sheet 7 and the corresponding plug connector 9 are of an integrated structure; and/or the second copper sheet 8 and the corresponding plug connector 9 are of an integral structure; and/or the first copper base 10 and the corresponding socket 12 are of an integral structure; and/or the second copper seat 11 and the corresponding socket seat 12 are of an integrated structure; it is to be understood that the present embodiment may be any one or more combination of the first copper sheet 7 and the corresponding connector 9, the second copper sheet 8 and the corresponding connector 9, the first copper base 10 and the corresponding connector 12, and the second copper base 11 and the corresponding connector 12.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present utility model; the present embodiment provides a photovoltaic module 000, which includes a front cover plate 200, a front packaging film 300, a battery string 400, a back packaging film 500, and a back cover plate 600 that are stacked; the back cover 600 has the junction box 100 mounted thereon, and the junction box 100 is the junction box 100 of any one of the above embodiments.
Specifically, with continued reference to fig. 9, the present embodiment provides a photovoltaic module 000 including a front cover plate 200, a front packaging film 300, a battery string 400, a back packaging film 500, and a back cover plate 600, which are stacked; the back cover 600 is provided with the junction box 100, and the junction box 100 is the junction box 100 of any one of the above embodiments; as shown in connection with fig. 1 to 3, the junction box 100 includes: the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3, wherein the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3 comprise a box body 4 and a box cover 5; the box cover 5 is provided with a module diode 6, and a first end 6a and a second end 6b of the module diode 6 are respectively connected with a first copper sheet 7 and a second copper sheet 8; the box body 4 is provided with a first copper seat 10 and a second copper seat 11; the plug connector 9 of the first copper sheet 7 is inserted into the plug connector 12 of the first copper seat 10, and the plug connector 9 of the second copper sheet 8 is inserted into the plug connector 12 of the second copper seat 11; the box cover 5 is covered on the box body 4, the circuit from the bus bar 13 to the module diode 6 can be conducted by inserting the plug connector 9 into the corresponding plug connector 12, when the module diode 6 is damaged and needs to be replaced, the box cover 5 is detached from the box body 4, and meanwhile, the plug connector 9 is separated from the corresponding plug connector 12, so that the module diode 6 can be replaced. The junction box in this embodiment need not the encapsulating in box body 4 and lid 5 inside, and module diode 6 installs on lid 5, and module diode 6 can directly be changed after damaging, convenient to detach to the condition that photovoltaic module 000 can not use takes place after having avoided module diode 6 to damage.
According to the embodiment, the junction box and the photovoltaic module provided by the utility model have the following beneficial effects:
the utility model provides a junction box and a photovoltaic module, wherein the junction box comprises: the negative electrode junction box, the middle junction box and the positive electrode junction box comprise box bodies and box covers; the box cover is provided with a module diode, and a first end and a second end of the module diode are respectively connected with the first copper sheet and the second copper sheet; the box body is provided with a first copper seat and a second copper seat; the plug connector of the first copper sheet is inserted into the plug connector of the first copper seat, and the plug connector of the second copper sheet is inserted into the plug connector of the second copper seat; the box cover is covered on the box body, the circuit from the bus bar to the module diode can be conducted by inserting the plug connector into the corresponding plug connector, when the module diode is damaged and needs to be replaced, the box cover is detached from the box body, and meanwhile, the plug connector is separated from the corresponding plug connector, so that the module diode can be replaced. The terminal box in this embodiment need not the encapsulating inside box body and lid, and module diode installs on the box cover, and module diode can directly be changed after damaging, convenient to detach to the unable condition of using of photovoltaic module takes place after having avoided module diode to damage.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. A junction box, comprising: the negative electrode junction box, the middle junction box and the positive electrode junction box comprise box bodies and box covers which are connected with the box bodies in a covering mode;
a module diode, a first copper sheet and a second copper sheet are arranged on one side of the box cover, which is close to the box body, wherein the first end of the module diode is connected with the first copper sheet, and the second end of the module diode is connected with the second copper sheet; the first copper sheet and the second copper sheet are respectively provided with a plug connector along one side far away from the module diode;
a first copper seat and a second copper seat which are used for connecting the bus bars are arranged on one side, close to the box cover, of the box body; the first copper seat and the second copper seat extend to form a plug seat along one side close to the box cover; the plug connector of the first copper sheet is inserted into the plug connector of the first copper seat; the plug connector of the second copper sheet is inserted into the plug connector of the second copper seat.
2. The junction box according to claim 1, wherein said socket comprises a first support plate and a second support plate, one side of said first support plate and said second support plate near said box body is connected with said first copper base and said second copper base, and said socket is inserted between said first support plate and said second support plate.
3. The junction box of claim 2 wherein said first and second support plates are arcuate, said first and second support plates projecting along a side adjacent said connector.
4. A junction box according to claim 1, wherein said plug comprises: the connecting plate is connected with one side, far away from the module diode, of the first copper sheet and the second copper sheet, the plug board extends along one side, close to the box body, of the module diode, and the plug board is spliced with the corresponding plug socket;
the orthographic projection of the connecting plate on the first copper sheet on the module diode and the orthographic projection of the connecting plate on the second copper sheet on the module diode are not overlapped;
the orthographic projection of the plug board on the first copper sheet on the module diode and the orthographic projection of the plug board on the second copper sheet on the module diode are overlapped.
5. A junction box according to claim 1 wherein the cover comprises a top plate provided with a baffle along the periphery, the baffle being located on the side of the cover adjacent the body.
6. The junction box according to claim 5, wherein a first groove is formed in the outer side wall of the box body along the circumferential direction, a waterproof ring is arranged in the first groove, and a second groove is formed in the inner side wall of the baffle along the circumferential direction; one side of the waterproof ring far away from the box body is embedded into the second groove.
7. The junction box according to claim 1, wherein the first copper sheet and the second copper sheet are provided with limiting plates, the limiting plates extend along one side close to the box cover, and one side of the limiting plates close to the box cover is propped against the box cover.
8. The junction box according to claim 1, wherein an upper positioning column is arranged on one side end face of the box cover, which is close to the box body, and the first copper sheet and the second copper sheet are respectively provided with an upper positioning hole, and the upper positioning column is inserted into the corresponding upper positioning hole;
and/or, a lower positioning column is arranged on the end face of one side of the box body, which is close to the box cover, and the first copper seat and the second copper seat are both provided with lower positioning holes, and the lower positioning column is inserted into the corresponding lower positioning holes.
9. The junction box of claim 1 wherein said first copper sheet and corresponding said connector are of unitary construction; and/or the number of the groups of groups,
the second copper sheet and the corresponding plug connector are of an integrated structure; and/or the number of the groups of groups,
the first copper seat and the corresponding plug seat are of an integrated structure; and/or the number of the groups of groups,
the second copper seat and the corresponding plug seat are of an integrated structure.
10. The photovoltaic module is characterized by comprising a front cover plate, a front packaging adhesive film, a battery string, a back packaging adhesive film and a back cover plate which are arranged in a laminated manner; a junction box is mounted on the back cover plate, and the junction box is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787445.XU CN220368692U (en) | 2023-07-07 | 2023-07-07 | Junction box and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787445.XU CN220368692U (en) | 2023-07-07 | 2023-07-07 | Junction box and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220368692U true CN220368692U (en) | 2024-01-19 |
Family
ID=89514671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321787445.XU Active CN220368692U (en) | 2023-07-07 | 2023-07-07 | Junction box and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220368692U (en) |
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2023
- 2023-07-07 CN CN202321787445.XU patent/CN220368692U/en active Active
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