CN217063669U - Plug-in solar intelligent photovoltaic module - Google Patents
Plug-in solar intelligent photovoltaic module Download PDFInfo
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- CN217063669U CN217063669U CN202122148162.8U CN202122148162U CN217063669U CN 217063669 U CN217063669 U CN 217063669U CN 202122148162 U CN202122148162 U CN 202122148162U CN 217063669 U CN217063669 U CN 217063669U
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Abstract
The utility model discloses a plug-in solar intelligent photovoltaic assembly, which comprises a main body junction box, a left split junction box and a right split junction box, wherein the main body junction box comprises a main body box base, a main body box cover, a PCB (printed circuit board), a leading-out terminal, a terminal clamp, a cable terminal, a main body cable pressing buckle, a first conductive bracket and an electric cable; this plug-in solar energy intelligence photovoltaic module, the terminal clamping will draw forth terminal and cable terminal centre gripping fixed, and the cable terminal is connected with the electric wire cable electricity, and draw forth terminal is connected with the PCB board electricity, and the PCB board is fixed on the main part box cover, and the cable terminal is fixed on the main part box base, and the main part box cover can be dismantled with the main part box base and be connected, and when the PCB board trouble, can open the main part box cover fast and change, and it is convenient to change.
Description
Technical Field
The utility model relates to a photovoltaic module technical field specifically is a plug-in solar energy intelligence photovoltaic module.
Background
The solar photovoltaic cell is a device for directly converting solar radiation energy into electric energy, and the photovoltaic module is a product formed by connecting a plurality of photovoltaic cells in series and parallel and then packaging, and is a basic unit in a photovoltaic power generation system. The photovoltaic module junction box is a key device for introducing electric energy generated by a solar photovoltaic cell into a power supply system. The junction box has the advantages that the reliable connection of the circuit is guaranteed, the connection between the conductive support inside the junction box and the photovoltaic module bus bar must be reliable and stable on one hand, the contact impedance is lowest, and the junction box body and the photovoltaic module backboard must be tightly bonded on the other hand, so that the electric leakage phenomenon does not occur in the power generation period of the photovoltaic module.
For the photovoltaic module with the photovoltaic module converging belt attached to the backlight surface of the photovoltaic cell, the converging belt penetrates through a hole formed in a photovoltaic module back plate and is welded to a conductive support inside a junction box, a bottom plate of the junction box is coated with adhesive glue to bond the junction box and the photovoltaic module back plate into a whole, and after welding is finished, a box cover is covered and sealed finally. For a photovoltaic module with a photovoltaic module bus bar attached to a lighting surface of a photovoltaic cell, such as a copper indium gallium selenide thin-film solar cell module, a photovoltaic cell is deposited on a back plate glass conducting layer, how to install and fix a junction box and how to connect a conductor inside the junction box and the photovoltaic module bus bar, so far, no mature device and method exist. The method depends on the binding force and the binding quality of the back plate glass and the bottom plate of the junction box, so that the risk of falling off of the junction box due to weakened binding force exists, bubbles remain between double-sided glue and the back plate glass due to poor binding, and the risk of water seepage and electric leakage occurs. In addition, the main junction box in the existing solar intelligent photovoltaic module is respectively connected with the split junction box in a fixed welding mode, and the difficulty of later-stage replacement of a PCB is high and the cost is high.
Therefore, a plug-in solar intelligent photovoltaic module is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plug-in solar energy intelligence photovoltaic module to solve at least one problem in the above-mentioned background art.
In order to achieve the purpose, the utility model provides a plug-in solar intelligent photovoltaic assembly, which comprises a main body junction box, a left split junction box and a right split junction box, wherein the main body junction box comprises a main body box base, a main body box cover, a PCB (printed circuit board), an extraction terminal, a terminal clamp, a cable terminal, a main body cable pressing buckle, a first conductive bracket and an electric cable; at least one main body cable pressing buckle communicated with the main body box base is fixedly arranged on each of the two sides outside the main body box base, and the main body box cover is arranged above the main body box base and is in inserting fit with the main body cable pressing buckle and the main body box base; the cable terminal is arranged in the terminal clamp, one end of the cable terminal is inserted into the corresponding terminal clamp, the other end of the cable terminal is connected with an electric cable penetrating into the main cable press buckle, the other end of a part of the electric cable is electrically connected with the left split junction box, and the other end of the rest part of the electric cable is electrically connected with the right split junction box; the main body box cover is internally provided with a PCB and leading-out terminals which are in one-to-one correspondence with the cable terminals, one end of each leading-out terminal is electrically connected with the PCB, and the other end of each leading-out terminal is inserted into a corresponding terminal clamp and is electrically connected with the cable terminal; the first conductive bracket fixedly penetrates through the main body box base and is electrically connected with the PCB; the main body cable pressing buckle and the electric cable connecting part are filled with pouring sealant.
Based on the above, the leading-out terminal and the cable terminal are clamped and fixed by the terminal clamp, the cable terminal is electrically connected with an electric cable, the leading-out terminal is electrically connected with the PCB, the PCB is fixed on the main body box cover, the cable terminal is fixed on the main body box base, the main body box cover is detachably connected with the main body box base, when the PCB breaks down, the main body box cover can be quickly opened for replacement, and replacement is convenient.
In the above technical solution, the utility model discloses can also do following improvement.
Preferably, enclosing plates for clamping the terminal clips are fixedly arranged on two sides in the main body box seat respectively.
Preferably, the edge of the main body box base is provided with two insertion plates extending in the circumferential direction from inside to outside, a sealing ring is arranged between the two insertion plates, and the upper edges of the main body box base and the main body cable pressing buckle are inserted between the two insertion plates.
Preferably, the main part terminal box still includes the PCB apron, the PCB board is located to the fixed outsourcing of PCB apron, the space packing that forms between PCB board, PCB apron and the main part lid has the casting glue.
Preferably, the main body junction box further comprises a support penetrating through the bottom surface of the middle part of the main body box base, and the upper end of the support abuts against the bottom surface of the PCB cover plate.
Preferably, left side components of a whole that can function independently terminal box includes that negative pole box holder, negative pole lid, negative pole cable are pressed and are detained and the negative pole electric conductor, negative pole cable is pressed and is detained one side of setting in negative pole box holder and communicate with negative pole box holder, the up end that negative pole cable was pressed and is detained, negative pole box holder is located to the fixed lid of negative pole lid, the electric cable penetrates in the negative pole box holder and is connected with the negative pole electric conductor electricity, void space is filled with the casting glue in the left side components of a whole that can function independently terminal box.
Preferably, the right side components of a whole that can function independently terminal box includes anodal box holder, anodal lid, anodal cable and presses knot and anodal electric conductor, anodal cable is pressed the knot and is set firmly in one side of anodal box holder and communicate with anodal box holder, anodal lid is fixed to be covered and is located anodal cable and presses the knot, the up end of anodal box holder, the electric cable penetrates in the anodal box holder and is connected with anodal electric conductor electricity, the void space is filled with the casting glue in the right side components of a whole that can function independently terminal box.
Preferably, the positive electrode box cover and the negative electrode box cover are both of an open structure.
Preferably, the bottom plate edges of the main body box seat, the positive electrode box seat and the negative electrode box seat are provided with annular grooves, and the annular grooves are used for filling bonding glue.
Preferably, overflow grooves are further formed in the edges of the bottom plates of the main box seat, the positive box seat and the negative box seat and on two sides of the annular groove, and the annular groove is used for containing bonding glue overflowing from the inside of the annular groove.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below.
Fig. 1 is a top view of a plug-in solar intelligent photovoltaic module according to an embodiment of the present invention;
fig. 2 is a schematic side sectional view of a plug-in solar intelligent photovoltaic module according to an embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a bottom view of a plug-in solar intelligent photovoltaic module according to an embodiment of the present invention;
in the attached figures, the drawing is shown,
the main body junction box comprises a main body junction box 1, a main body box seat 10, a coaming 101, a main body box cover 11, a sealing ring 111, an inserting plate 112, a PCB 12, a leading-out terminal 13, a terminal clamp 14, a cable terminal 15, a main body cable pressing buckle 16, a first conductive support 17, an electric cable 18 and a PCB cover plate 19;
the left split junction box 2, the negative box base 20, the negative box cover 21, the negative cable pressing buckle 22 and the negative conductor 23;
the right split junction box 3, the positive box base 30, the positive box cover 31, the positive cable press buckle 32 and the positive conductor 33;
pouring a sealant 4;
an annular groove 51.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1 to 4, a plug-in solar intelligent photovoltaic module includes a main body junction box 1, a left split junction box 2, and a right split junction box 3.
As shown in fig. 1, the main body junction box 1 includes a main body box base 10, a main body box cover 11, a PCB board 12, an outgoing terminal 13, a terminal clamp 14, a cable terminal 15, a main body cable press buckle 16, a first conductive bracket 17 and an electric cable 18;
at least one main body cable pressing buckle 16 communicated with the main body box base 10 is fixedly arranged on each of two sides outside the main body box base 10, and the main body box cover 11 is arranged above the main body box base 10 and is inserted and matched with the main body cable pressing buckle 16 and the main body box base 10; terminal clamps 14 corresponding to the main cable press buckles 16 one by one are arranged on two sides in the main box base 10, the cable terminals 15 correspond to the terminal clamps 14 one by one, one ends of the cable terminals 15 are inserted into the corresponding terminal clamps 14, the other ends of the cable terminals 15 are connected with electric cables 18 penetrating into the main cable press buckles 16, the other ends of partial electric cables 18 are electrically connected with the left split junction box 2, and the other ends of the rest electric cables 18 are electrically connected with the right split junction box 3; a PCB (printed circuit board) 12 and leading-out terminals 13 which are in one-to-one correspondence with the cable terminals 15 are arranged in the main body box cover 11, one ends of the leading-out terminals 13 are electrically connected with the PCB 12, and the other ends of the leading-out terminals 13 are inserted into corresponding terminal clips 14 and are electrically connected with the cable terminals 15; the first conductive bracket 17 fixedly penetrates through the main body box base 10 and is electrically connected with the PCB 12; the joint of the main body cable pressing buckle 16 and the electric cable 18 is filled with pouring sealant 4.
Based on the above, the leading-out terminal 13 and the cable terminal 15 are clamped and fixed by the terminal clamp 14, the cable terminal 15 is electrically connected with the electric cable 18, the leading-out terminal 13 is electrically connected with the PCB 12, the PCB 12 is fixed on the main body box cover 11, the cable terminal 15 is fixed on the main body box base 10, the main body box cover 11 is detachably connected with the main body box base 10, when the PCB 12 fails, the main body box cover 11 can be quickly opened for replacement, and the replacement is convenient.
In this embodiment, the two sides in the main body box base 10 are respectively and fixedly provided with the enclosing plates 101 for clamping the terminal clips 14, the enclosing plates 101 are composed of two opposite plate bodies, through holes are formed in the plate bodies, the cable terminals 15 comprise elastic main bodies in the shapes of necking and elastic inserting portions connected to the necking, the elastic main bodies are arranged between the enclosing plates 101, the two elastic inserting portions are respectively inserted into one through hole, the terminal clips 14 are clamped between the enclosing plates 101, and the connecting mode is simple and convenient to install.
In this embodiment, two insertion plates 112 extending circumferentially are arranged at the edge of the main body box base 10 from inside to outside, a sealing ring 111 is arranged between the two insertion plates 112, the upper edges of the main body box base 10 and the main body cable press buckle 16 are inserted between the two insertion plates 112, the main body box cover 11 is connected with the main body box base 10 and the main body cable press buckle 16 in an insertion manner, and the leading-out terminal 13 is clamped in the terminal clamp 14 in a matching manner, so that the connection structure of the main body box base 10, the main body box cover 11 and the main body cable press buckle 16 is stable and reliable.
In this embodiment, the main body junction box 1 further includes a PCB cover plate 19, the PCB 12 is fixed to be covered with the PCB cover plate 19, the gap formed between the PCB 12, the PCB cover plate 19 and the main body box cover 11 is filled with a potting adhesive, and the potting adhesive can prevent water vapor from entering the PCB 12, so that the PCB 12 is kept dry, and the service life of the PCB 12 can be prolonged.
In this embodiment, the left split junction box includes a negative box base 20, a negative box cover 21, a negative cable pressing buckle 22 and a negative conductor, the negative cable pressing buckle 22 is fixedly disposed on one side of the negative box base 20 and is communicated with the negative box base 20, the negative box cover 21 is fixedly covered on the upper end surfaces of the negative cable pressing buckle 22 and the negative box base 20, the electric cable 18 penetrates into the negative box base 20 and is electrically connected with the negative conductor, and a void space in the left split junction box is filled with a potting compound.
In this embodiment, the right split junction box includes a positive electrode box base 30, a positive electrode box cover 31, a positive electrode cable press buckle 32 and a positive electrode conductor, the positive electrode cable press buckle 32 is fixedly disposed on one side of the positive electrode box base 30 and is communicated with the positive electrode box base 30, the positive electrode box cover 31 is fixedly covered on the positive electrode cable press buckle 32 and the upper end face of the positive electrode box base 30, the electric cable 18 penetrates into the positive electrode box base 30 and is electrically connected with the positive electrode conductor, and a void space in the right split junction box is filled with a potting adhesive.
In this embodiment, the anode box cover 31 and the cathode box cover 21 are both open structures, and after the left split junction box and the right split junction box are filled with the potting adhesive, the openings of the anode box cover 31 and the cathode box cover 21 are encapsulated by the potting adhesive.
The annular groove has all been seted up at main part cassette holder 10, the end PCB board 12 edge of positive pole cassette holder 30 and negative pole cassette holder 20, the annular groove is used for filling the bonding glue, this bonding glue on the one hand can make main part cassette holder 10, sealing connection between positive pole cassette holder 30 and negative pole cassette holder 20 and the back of the body PCB board 12 glass, can further first conductive support 17 simultaneously, positive electric conductor and negative electric conductor and converge the contact between the area stable for a long time, contact impedance is minimum.
In this embodiment, the bottom PCB 12 of the main body cassette holder 10, the positive cassette holder 30 and the negative cassette holder 20 is further provided with overflow grooves at two sides of the annular groove, and the annular groove is used for receiving the adhesive overflowing from the annular groove.
In summary, according to the plug-in type solar intelligent photovoltaic module provided by the embodiment, the main body junction box 1, the left split junction box and the right split junction box are fixed on the glass of the back PCB 12 of the photovoltaic module by the adhesive glue manner through the annular groove and the overflow groove on the bottom PCB 12 of the main body box base 10, the positive electrode box base 30 and the negative electrode box base 20, and the first conductive bracket 17, the positive electrode conductive body and the negative electrode conductive body are more stably connected with the bus bar, and the sealing performance is excellent. The leading-out terminal 13 is inserted in the terminal clamp 14 and fixed with the main body box cover 11 by the buckle of the main body box base 10, and the sealing ring 111 is adopted between the main body box cover 11 and the main body box base 10 for water prevention, thereby effectively ensuring the internal metal conductor.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the technical solutions of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (9)
1. The utility model provides a plug-in solar energy intelligence photovoltaic module, includes main part terminal box (1), left branch body terminal box (2) and right branch body terminal box (3), its characterized in that:
the main body junction box (1) comprises a main body box base (10), a main body box cover (11), a PCB (printed circuit board) board (12), a leading-out terminal (13), a terminal clamp (14), a cable terminal (15), a main body cable press buckle (16), a first conductive support (17) and an electric cable (18);
at least one main body cable pressing buckle (16) communicated with the main body box base (10) is fixedly arranged on each of the two sides outside the main body box base (10), and the main body box cover (11) is arranged above the main body box base (10) and is inserted and matched with the main body cable pressing buckle (16) and the main body box base (10);
the cable terminal structure is characterized in that terminal clamps (14) which correspond to main cable press buckles (16) one by one are arranged on two sides in the main box base (10), the cable terminals (15) correspond to the terminal clamps (14) one by one, one ends of the cable terminals (15) are inserted into the corresponding terminal clamps (14), the other ends of the cable terminals (15) are connected with electric cables (18) penetrating into the main cable press buckles (16), the other ends of partial electric cables (18) are electrically connected with the left split junction box (2), and the other ends of the residual electric cables (18) are electrically connected with the right split junction box (3);
a PCB (12) and leading-out terminals (13) which are in one-to-one correspondence with the cable terminals (15) are arranged in the main body box cover (11), one end of each leading-out terminal (13) is electrically connected with the PCB (12), and the other end of each leading-out terminal (13) is inserted into a corresponding terminal clamp (14) and is electrically connected with the cable terminal (15);
the first conductive bracket (17) fixedly penetrates through the main body box seat (10) and is electrically connected with the PCB (12);
the joint of the main body cable pressing buckle (16) and the electric cable (18) is filled with pouring sealant (4).
2. The plug-in solar intelligent photovoltaic module according to claim 1, wherein enclosing plates (101) for clamping terminal clamps (14) are fixedly arranged on two sides in the main body box seat (10) respectively.
3. The pluggable solar intelligent photovoltaic module according to claim 1, wherein two insertion plates (112) extending circumferentially are arranged at the edge of the main body box base (10) from inside to outside, a sealing ring (111) is arranged between the two insertion plates (112), and the upper edges of the main body box base (10) and the main body cable press buckle (16) are inserted between the two insertion plates (112).
4. The plug-in solar intelligent photovoltaic module according to claim 1, wherein the main body junction box (1) further comprises a PCB cover plate (19), the PCB cover plate (19) is fixedly and externally arranged on the PCB (12), and a pouring sealant (4) is filled in a gap formed among the PCB (12), the PCB cover plate (19) and the main body box cover (11).
5. The pluggable solar intelligent photovoltaic module according to claim 1, wherein the left split junction box (2) comprises a negative box base (20), a negative box cover (21), a negative cable press buckle (22) and a negative conductor (23), the negative cable press buckle (22) is fixedly arranged on one side of the negative box base (20) and is communicated with the negative box base (20), the negative box cover (21) is fixedly covered on the upper end faces of the negative cable press buckle (22) and the negative box base (20), the electric cable (18) penetrates into the negative box base (20) and is electrically connected with the negative conductor (23), and a gap space in the left split junction box (2) is filled with the potting adhesive (4).
6. The pluggable solar intelligent photovoltaic module according to claim 5, wherein the right split junction box (3) comprises an anode box base (30), an anode box cover (31), an anode cable press buckle (32) and an anode conductor (33), the anode cable press buckle (32) is fixedly arranged on one side of the anode box base (30) and is communicated with the anode box base (30), the anode box cover (31) is fixedly covered on the upper end faces of the anode cable press buckle (32) and the anode box base (30), the electric cable (18) penetrates into the anode box base (30) and is electrically connected with the anode conductor (33), and a void space in the right split junction box (3) is filled with the potting adhesive (4).
7. The plug-in solar intelligent photovoltaic module according to claim 6, wherein the positive box cover (31) and the negative box cover (21) are both of an open structure.
8. The plug-in solar intelligent photovoltaic module according to claim 7, wherein the edges of the bottom plates of the main body box base (10), the positive electrode box base (30) and the negative electrode box base (20) are provided with annular grooves (51), and the annular grooves (51) are used for filling bonding glue.
9. The pluggable solar intelligent photovoltaic module according to claim 8, wherein overflow grooves (52) are further formed in the edges of the bottom plates of the main box base (10), the positive box base (30) and the negative box base (20) on two sides of the annular groove (51), and the annular groove (51) is used for containing bonding glue overflowing from the inside of the annular groove (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148162.8U CN217063669U (en) | 2021-09-07 | 2021-09-07 | Plug-in solar intelligent photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148162.8U CN217063669U (en) | 2021-09-07 | 2021-09-07 | Plug-in solar intelligent photovoltaic module |
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| Publication Number | Publication Date |
|---|---|
| CN217063669U true CN217063669U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122148162.8U Active CN217063669U (en) | 2021-09-07 | 2021-09-07 | Plug-in solar intelligent photovoltaic module |
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| CN (1) | CN217063669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455319A (en) * | 2023-01-04 | 2023-07-18 | 西安平高智慧能源有限公司 | Photovoltaic module intelligent wiring device and solar power generation device |
-
2021
- 2021-09-07 CN CN202122148162.8U patent/CN217063669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455319A (en) * | 2023-01-04 | 2023-07-18 | 西安平高智慧能源有限公司 | Photovoltaic module intelligent wiring device and solar power generation device |
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