CN201504063U - Photovoltaic junction box - Google Patents
Photovoltaic junction box Download PDFInfo
- Publication number
- CN201504063U CN201504063U CN2009200384881U CN200920038488U CN201504063U CN 201504063 U CN201504063 U CN 201504063U CN 2009200384881 U CN2009200384881 U CN 2009200384881U CN 200920038488 U CN200920038488 U CN 200920038488U CN 201504063 U CN201504063 U CN 201504063U
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- China
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- connector
- box body
- respectively arranged
- photovoltaic junction
- junction box
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- Expired - Fee Related
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Abstract
The utility model discloses a photovoltaic junction box, which is wide in using range and convenient in using. The photovoltaic junction box comprises a box body and a box cover arranged on the box body and mutually engaged with the same, the bottom portion of the box body is provided with a mounting hole, six connecting parts are sequentially arranged inside the box body, diodes are respectively arranged among the connecting parts, a first connecting hole and a second connecting hole are respectively arranged at positions of the box body corresponding to one end of the first connecting part and one end of the second connecting part, the first connecting part and the second connecting part are arranged at the left end and the right end of the box body, and a third connecting hole and a fourth connecting hole are respectively arranged at positions of the box body corresponding to one end of the third connecting part and the fourth connecting part. The photovoltaic junction box has the advantages that the photovoltaic junction box is in clamp connection with a positive bus bar and a negative bus bar which are led out from the bottom portion of a solar battery component and is more convenient compared with the traditional welding technique, the box body is provided with the four connecting holes, a left cable and a right cable can be connected via multiple forms so as to widen using range of the photovoltaic junction box, and the diodes are provided with radiating fins which can timely dissipate heat energy generated by the diodes.
Description
Technical field
The utility model relates to a kind of photovoltaic junction box that is used to connect solar module.
Background technology
Photovoltaic junction box is used for connecting solar module, during use, as required, by several photovoltaic junction boxes several solar modules is cascaded.The structure of existing photovoltaic junction box comprises: box body, be arranged on the box body and with the box body lid that cooperatively interacts, offering in the bottom of box body can be for the installing hole of positive busbar of drawing from the solar module bottom and negative rail access, in box body, be disposed with some connectors, between connector, be provided with diode, be arranged on the box body of two connector correspondence positions on the left and right two ends and be respectively arranged with wiring hole.During use, left cable and right cable pass the wiring hole that cooperatively interacts with it respectively and an end of two connectors is welded to each other, and the other end of connector is welded to each other with positive busbar and negative rail respectively.Owing to only be provided with two wiring holes on box body, the connected mode of left and right cable is more single, and a kind of connected mode can only be arranged, and the scope of application of terminal box is less.Simultaneously because what adopt between busbar and the connector is welding connecting mode, couple together inconvenience very, the quantity of brace and diode is more in addition, and when work, the temperature of diode is too high, can not in time be scattered and disappeared.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of scope of application photovoltaic junction box wide, easy to connect.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: photovoltaic junction box, comprise: box body, be arranged on the box body and with the box body lid that cooperatively interacts, offering in the bottom of box body can be for the installing hole of positive busbar of drawing from the solar module bottom and negative rail access, in box body, be disposed with six connectors, between connector, be respectively arranged with diode, be arranged on a left side, be respectively arranged with first wiring hole and second wiring hole on first connector on the right two ends and the box body of second connector, one end correspondence position, on the box body of described the 3rd connector and the 4th connector one end correspondence position, also be respectively arranged with the 3rd wiring hole and the 4th wiring hole.
In order to solve above-mentioned further technical problem better, further technical scheme of the present utility model is: be respectively arranged with installation sheet at described connector near on the other end of installing hole, on installation sheet, be respectively arranged with jump ring, on jump ring, be respectively arranged with movable chamber, the upper end of installation sheet is stretched out movable chamber respectively, the top and bottom of jump ring are stuck on the left and right sides of installation sheet, and jump ring is fixed on the installation sheet.
In order to solve above-mentioned further technical problem better, further technical scheme of the present utility model is: all be respectively arranged with the case that cooperatively interacts with it on two links of described connector.
In order to solve above-mentioned further technical problem better, further technical scheme of the present utility model is: be respectively arranged with fin on described diode.
In order to solve above-mentioned further technical problem better, further technical scheme of the present utility model is: the connected mode of described diode and fin is: diode is provided with installing hole, fin is provided with the through hole that cooperatively interacts with installing hole, and screw is located in through hole and the installing hole fin is fixed on the diode.
The utility model has the advantages that: the photovoltaic junction box of this structure carries out clamping with the positive and negative busbar of drawing from the solar module bottom, more more convenient than traditional welding procedure, box body is provided with four wiring holes, connected mode has multiple, make the scope of application of photovoltaic junction box become wider, fin is set on diode, and the heat dissipation that can in time diode be produced falls.
Description of drawings
Fig. 1 removes fin and case internal structure schematic diagram afterwards for the utility model photovoltaic junction box.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 removes after fin and the case for the utility model photovoltaic junction box and the syndeton schematic diagram between the solar module.
Fig. 4 is the structural representation of jump ring among Fig. 1 and Fig. 3.
Fig. 5 is the internal structure schematic diagram that the wiring of the utility model photovoltaic is connected with cable.
Fig. 6 is the syndeton schematic diagram of the utility model photovoltaic junction box and cable.
Among the figure: 1, box body, 11, installing hole, 12, first wiring hole, 13, second wiring hole, 2, lid, 3, solar module, 31, positive busbar, 32, negative rail, 4, diode, 41, fin, 42, installing hole, 43, screw, 51, first connector, 52, second connector, the 53, the 3rd connector, the 54, the 4th connector, 6, installation sheet, 61, jump ring, 611, movable chamber, 612, the clamping chamber, 7, case, 8, cable, 9, swivel joint.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As Fig. 3, shown in Figure 6, photovoltaic junction box, comprise: box body 1, be arranged on the box body 1 and with box body 1 lid 2 that cooperatively interacts, offering in the bottom of box body 1 can be for the installing hole 11 of positive busbar 31 of drawing from solar module 3 bottoms and negative rail 32 accesses, in box body 1, be disposed with six connectors, as shown in Figure 5, on two links of connector, all be respectively arranged with the case 7 that cooperatively interacts with it; As Fig. 1, Fig. 2, shown in Figure 3, be respectively arranged with installation sheet 6 at connector near on the other end of installing hole 11, on installation sheet 6, be respectively arranged with jump ring 61, on jump ring 61, be respectively arranged with movable chamber 611, the upper end of installation sheet 6 is stretched out movable chamber 611 respectively, the top and bottom of jump ring 61 are stuck on the left and right sides of installation sheet 6, and jump ring 61 is fixed on the installation sheet 6; As shown in Figure 5, between connector, be respectively arranged with diode 4, on diode 4, be respectively arranged with fin 4, diode 4 with the connected mode of fin 41 is: diode 4 is provided with installing hole 42, fin 41 is provided with the through hole that cooperatively interacts with installing hole 42, and screw 43 is located in through hole and the installing hole 42 fin 41 is fixed on the diode 4.As Fig. 2, shown in Figure 5, on the box body 1 of first connector 51 on the left and right two ends and second connector, 52 1 end correspondence positions, be respectively arranged with first wiring hole 12 and second wiring hole 13, on the box body 1 of the 3rd connector 53 and the 4th connector 54 1 end correspondence positions, also be respectively arranged with the 3rd wiring hole 14 and the 4th wiring hole 15.
The photovoltaic junction box of said structure all is respectively arranged with the case 7 that cooperatively interacts with it and is to for better protection connector on two links of all connectors, look also better appearance.At connector be near the benefit that installation sheet 6 all is set on the other end of installing hole 11: make connector carry out clamping with the positive and negative busbar of drawing from the solar module bottom, more more convenient than traditional welding procedure.During actual the use, also can only near on the other end of installing hole 11 installation sheet 6 be set respectively at first connector 51, second connector 52, the 3rd connector 53 and the 4th connector 54.All connectors near the benefit that installation sheet 6 all is set on the other end of installing hole 11 be for look coordinate more attractive in appearance.The effect that is respectively arranged with fin 4 on diode 4 is: the heat dissipation that can in time diode 4 be produced falls.
As Fig. 2, shown in Figure 5, when reality was used, the end that cable 8 passes first wiring hole 12 and second wiring hole 13 and first connector 51 and second connector 52 respectively was welded to each other.Cable inserts and is fixing for convenience, is respectively arranged with swivel joint 9 in first wiring hole 12 and second wiring hole 13.Reality used old in, the access of cable 8 according to actual needs can also have following several mode: an end that, cable 8 is passed first wiring hole 12 and the 3rd wiring hole 14 and first connector 51 and the 3rd connector 53 respectively is welded to each other.Two, an end that cable 8 is passed first wiring hole 12 and the 4th wiring hole 15 and first connector 51 and the 4th connector 54 respectively is welded to each other.Three, an end that cable 8 is passed second wiring hole 13 and the 3rd wiring hole 14 and second connector 52 and the 3rd connector 53 respectively is welded to each other.Four, an end that cable 8 is passed second wiring hole 13 and the 4th wiring hole 15 and second connector 52 and the 4th connector 54 respectively is welded to each other.Improve the scope of application of photovoltaic junction box.
As shown in Figure 1, when the photovoltaic junction box of this structure uses, earlier lid 2 is taken off, and then the positive busbar 31 that will draw from solar module 3 bottoms and negative rail 32 insert box bodys 1 by installing hole 11.As shown in Figure 3, prize the jump ring 61 that is provided with respectively on first connector 51 and second connector, 52 other ends with Flathead screwdriver or the function instrument suitable with Flathead screwdriver, installation sheet 6 is moved in movable chamber 611 respectively, make installation sheet 6 and respectively form clamping chamber 612 between the upper end of jump ring 61, the end of positive busbar 31 and negative rail 32 is respectively put in the clamping chamber 612, unclamp the suitable instrument of Flathead screwdriver or function and Flathead screwdriver, the upper end of installation sheet 6 will be blocked positive busbar 31 and negative rail 32 respectively.This snap fit, more more convenient than traditional welding procedure.When reality is used, utilize photovoltaic junction box with the use that is cascaded of a plurality of solar modules 3, diode 4 can play and make the electric current one-way flow, prevents the effect of water conservancy diversion, when individual solar cells assembly 3 broke down, diode 4 can also play interconnect function.
Claims (8)
1. photovoltaic junction box, comprise: box body (1), be arranged on that box body (1) is gone up and with box body (1) lid (2) that cooperatively interacts, offering in the bottom of box body (1) can be for the installing hole (11) of positive busbar (31) of drawing from solar module (3) bottom and negative rail (32) access, in box body (1), be disposed with six connectors, between connector, be respectively arranged with diode (4), be arranged on a left side, be respectively arranged with first wiring hole (12) and second wiring hole (13) on first connector (51) on the right two ends and the box body (1) of second connector (52) one end correspondence positions, it is characterized in that: on the box body (1) of described the 3rd connector (53) and the 4th connector (54) one end correspondence positions, also be respectively arranged with the 3rd wiring hole (14) and the 4th wiring hole (15).
2. according to the described photovoltaic junction box of claim 1, it is characterized in that: at described first connector (51), second connector (52), the 3rd connector (53) and the 4th connector (54) are respectively arranged with installation sheet (6) near on the other end of installing hole (11), on installation sheet (6), be respectively arranged with jump ring (61), on jump ring (61), be respectively arranged with movable chamber (611), the upper end of installation sheet (6) is stretched out movable chamber (611) respectively, the top and bottom of jump ring (61) are stuck on the left and right sides of installation sheet (6), and jump ring (61) is fixed on the installation sheet (6).
3. according to claim 1 or 2 described photovoltaic junction boxes, it is characterized in that: on described diode (4), be respectively arranged with fin (41).
4. according to the described photovoltaic junction box of claim 3, it is characterized in that: on two links of described first connector (51), second connector (52), the 3rd connector (53) and the 4th connector (54), all be respectively arranged with the case (7) that cooperatively interacts with it.
5. according to the described photovoltaic junction box of claim 1, it is characterized in that: be respectively arranged with installation sheet (6) near on the other end of installing hole (11) at described connector, on installation sheet (6), be respectively arranged with jump ring (61), on jump ring (61), be respectively arranged with movable chamber (611), the upper end of installation sheet (6) is stretched out movable chamber (611) respectively, the top and bottom of jump ring (61) are stuck on the left and right sides of installation sheet (6), and jump ring (61) is fixed on the installation sheet (6).
6. according to the described photovoltaic junction box of claim 5, it is characterized in that: on two links of described connector, all be respectively arranged with the case (7) that cooperatively interacts with it.
7. according to the described photovoltaic junction box of claim 6, it is characterized in that: on described diode (4), be respectively arranged with fin (41).
8. according to claim 1 or 2 or 5 or 6 or 7 described photovoltaic junction boxes, it is characterized in that: described diode (4) with the connected mode of fin (41) is: diode (4) is provided with installing hole (42), fin (41) is provided with the through hole that cooperatively interacts with installing hole (42), and screw (43) is located in through hole and the installing hole (42) fin (41) is fixed on the diode (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200384881U CN201504063U (en) | 2009-01-21 | 2009-01-21 | Photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200384881U CN201504063U (en) | 2009-01-21 | 2009-01-21 | Photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201504063U true CN201504063U (en) | 2010-06-09 |
Family
ID=42454992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200384881U Expired - Fee Related CN201504063U (en) | 2009-01-21 | 2009-01-21 | Photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201504063U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074806A (en) * | 2011-01-24 | 2011-05-25 | 章丘市太和电器有限公司 | Solar cell panel busbar fixing mechanism |
| CN102856414A (en) * | 2012-10-15 | 2013-01-02 | 常熟市福莱德连接器科技有限公司 | Photovoltaic connecting box |
| CN107294487A (en) * | 2017-07-11 | 2017-10-24 | 奥特斯维能源（太仓）有限公司 | A kind of header box |
-
2009
- 2009-01-21 CN CN2009200384881U patent/CN201504063U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074806A (en) * | 2011-01-24 | 2011-05-25 | 章丘市太和电器有限公司 | Solar cell panel busbar fixing mechanism |
| CN102074806B (en) * | 2011-01-24 | 2012-10-24 | 章丘市太和电器有限公司 | Solar cell panel busbar fixing mechanism |
| CN102856414A (en) * | 2012-10-15 | 2013-01-02 | 常熟市福莱德连接器科技有限公司 | Photovoltaic connecting box |
| CN107294487A (en) * | 2017-07-11 | 2017-10-24 | 奥特斯维能源（太仓）有限公司 | A kind of header box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20170121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |