CN202068140U - Solar photovoltaic junction box - Google Patents
Solar photovoltaic junction box Download PDFInfo
- Publication number
- CN202068140U CN202068140U CN2011200956055U CN201120095605U CN202068140U CN 202068140 U CN202068140 U CN 202068140U CN 2011200956055 U CN2011200956055 U CN 2011200956055U CN 201120095605 U CN201120095605 U CN 201120095605U CN 202068140 U CN202068140 U CN 202068140U
- Authority
- CN
- China
- Prior art keywords
- box body
- conducting strip
- binding post
- head
- terminal box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar photovoltaic junction box comprising a box body and a box cover which are mutually buckled and connected; wire outlet holes for cables to pass through are arranged on the front end wall body of the box body; and at least three wire outlet holes are arranged in parallel, wherein wiring components for fastening the cables are arranged on two wire outlet holes. The solar photovoltaic junction box has a simple and reasonable structure; and the junction box which is produced from a single set of mould can realize various different connection schemes, so that the production cost is greatly saved on the premise of ensuring the product quality.
Description
Technical field
The utility model relates to a kind of quick connection and the electric apparatus connector of removing stage makeup and costume, and particularly is used to connect the photovoltaic junction box of solar module in solar energy power generating.
Background technology
That gets does not advance, nexhaustible solar energy, and the green grass or young crops that more and more is subjected to people because of its safety, clean, environmental protection narrows.The photovoltaic industry becomes the rising industry that competitively chase in the whole world.And the photovoltaic terminal box is as a vitals of solar module, be between the solar cell array of solar module formation and the connector between the rechargeable solar battery control device, the scheme that is connected of solar panel is provided for the user.But existing a lot of product all is a kind of scheme of a kind of product correspondence, such as the terminal box of connecting and deposit under the situation of use at double diode series connection and three diodes, even also have four diodes to connect, five diode series connection, and the terminal box of more a plurality of diodes series connection and deposit the situation of use, the terminal box that photovoltaic enterprise may need to produce different size is dealt with the demand of using self, not only complicated aspect the terminal box specification, under the not abundant situation of business capital, be difficult to bear the production cost of the mould of the terminal box of producing multiple connectivity scenario.
The utility model content
Problem to be solved in the utility model just provides a kind of photovoltaic terminal box, simple and reasonable, the terminal box of using single mold to produce can realize multiple different connectivity scenario, under the prerequisite that guarantees product quality, has saved production cost greatly.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of photovoltaic terminal box, comprise box body and lid that mutual buckle connects, on box body front end wall body, be provided with the wire hole that connects cable, it is characterized in that: described wire hole is set side by side with at least three, and wherein two wire holes are provided with the connector assembly of tightening cable.
Further, described connector assembly comprises guide post and locking knob, be provided with the guide through hole of pilot cable line in the guide post, the afterbody outer surface of guide post is provided with radial protrusion and is stuck in ring body on the box body madial wall, the head of guide post outwards passes wire hole in box body, the head outer surface of guide post is provided with the screw-internal thread fit on thread segment and the locking knob, and screwing locking knob, that guide post is against on the box body madial wall is fixing.
Further, described connector assembly also comprises binding post and the binding post fixture that is located in the box body, binding post is located in the binding post fixture, the binding post fixture is against on the guide post, passes binding post and is pressed on the cable cable is fixed in the binding post thereby be provided with threaded fastener on the binding post fixture.
Further, described connector assembly also comprises waterproof jacket that is located at the guide post front end and the packing ring that tightens up that is located on the waterproof jacket, locking knob is against to tighten up on the packing ring and make after screwing locking knob and tightens up packing ring and hold waterproof jacket tightly, thereby waterproof jacket is closely contacted with cable.
Further, the wire hole that connector assembly is not set in all wire holes is provided with plunger, plunger and the wire hole interference fit of sealing wire hole.
Further, interior parallel at least two conducting strips that are provided with of described box body, conducting strip is provided with heat radiation rack, between box body and heat radiation rack, be provided with the fixedly location structure of heat radiation rack, the afterbody of conducting strip is connected with the tin band of solar panel, and the head of conducting strip stretches into binding post and is connected with cable, and cross-over connection has diode between close in twos heat radiation rack, the pin of diode is passed down through heat radiation rack and is connected with conducting strip, is provided with to cooperate the fixedly compressing tablet of diode pin with conducting strip on conducting strip.
Further, described location structure comprises the draw-in groove on the left and right sides sidewall that is located at the heat radiation rack rear and front end and is located at protruding buckle corresponding with bayonet socket on the box body inner bottom surface.
Further, the afterbody of described conducting strip is provided with concave shaped portion, back-shaped shell fragment is housed on the concave shaped portion, the top of back-shaped shell fragment is provided with groove, the head of back-shaped shell fragment extends downwards, and the afterbody of back-shaped shell fragment passes groove and keeps elasticity to press to head, and back-shaped shell fragment is clipped in by head and afterbody on the riser of concave shaped portion and locatees, under external force, the top of back-shaped shell fragment and head move backward and cooperate the tin strap clamp with solar panel to fasten with the riser of concave shaped portion by head relative to afterbody.
Further, described conducting strip is provided with the crotch I of downward extension, compressing tablet is provided with the crotch II of downward extension, conducting strip is provided with opening I, and it is corresponding with opening I that compressing tablet is provided with opening II, and crotch I is located at opening I below, crotch II is located at opening II below, the pin of diode is passed down through opening I and opening II and is cooperated by crotch I and crotch II and clamps, and also is provided with the elastic hook that keeps outward-dipping at the two ends of compressing tablet, and elastic hook is passed down through opening I and is stuck on the conducting strip.
Further, described lid bottom surface is provided with the caulking groove of setting-in box body sidepiece, is provided with sealing ring in the caulking groove, is provided with to project upwards and the corresponding projection of caulking groove on the sidepiece top end face of box body.
After adopting technique scheme, the utlity model has following advantage: the connector assembly replacing is installed on the different wire holes, just can realizes the connectivity scenario of different demands, use single mold production to get final product, production cost is reduced.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the explosive view of a kind of embodiment of the utility model;
Fig. 2 is a longitudinal sectional view embodiment illustrated in fig. 1;
Fig. 3 is the box body interior views behind five diodes of series connection;
Fig. 4 is the box body interior views behind four diodes of series connection;
Fig. 5 is the box body interior views behind three diodes of series connection.
Embodiment
The structural representation of a kind of embodiment of the utility model as illustrated in fig. 1 and 2, a kind of photovoltaic terminal box, comprise box body 1 and lid 2 that mutual buckle connects, on box body front end wall body, be provided with the wire hole 11 that connects cable, wire hole is set side by side with at least three, wherein two wire holes are provided with the connector assembly of tightening cable, are provided with four in the present embodiment.The wire hole that connector assembly is not set in all wire holes is provided with plunger 4, plunger and the wire hole interference fit of sealing wire hole.
Described connector assembly comprises guide post 31 and locking knob 32, be provided with the guide through hole 311 of pilot cable line in the guide post, the afterbody outer surface of guide post is provided with radial protrusion and is stuck in ring body 312 on the box body madial wall, the head of guide post outwards passes wire hole in box body, the head outer surface of guide post is provided with the screw-internal thread fit on thread segment 313 and the locking knob, and screwing locking knob, that guide post is against on the box body madial wall is fixing.Connector assembly also comprises binding post 33 and the binding post fixture 34 that is located in the box body, binding post is located in the binding post fixture, the binding post fixture is against on the guide post, pass binding post and be pressed on the cable cable is fixed in the binding post thereby be provided with threaded fastener 35 on the binding post fixture, threaded fastener adopts bolt or screw.Connector assembly also comprises the waterproof jacket 36 that is located at the guide post front end and is located at and tightens up packing ring 37 on the waterproof jacket in addition, locking knob is against to tighten up on the packing ring and make after screwing locking knob and tightens up packing ring and hold waterproof jacket tightly, thereby waterproof jacket is closely contacted with cable.
Parallel at least two conducting strips 5 that are provided with in the described box body, conducting strip is provided with heat radiation rack 6, between box body and heat radiation rack, be provided with the fixedly location structure of heat radiation rack, the afterbody of conducting strip is connected with the tin band of solar panel, the head of conducting strip stretches into binding post and is connected with cable, cross-over connection has diode 7 between close in twos heat radiation rack, and the pin 71 of diode is passed down through heat radiation rack and is connected with conducting strip, is provided with to cooperate the fixedly compressing tablet 8 of diode pin with conducting strip on conducting strip.Described location structure comprises the draw-in groove 61 on the left and right sides sidewall that is located at the heat radiation rack rear and front end and is located at protruding buckle 12 corresponding with bayonet socket on the box body inner bottom surface.Afterbody at conducting strip is provided with concave shaped portion 51, back-shaped shell fragment 52 is housed on the concave shaped portion, the top of back-shaped shell fragment is provided with groove 521, the head of back-shaped shell fragment extends downwards, the afterbody of back-shaped shell fragment passes groove and keeps elasticity to press to head, back-shaped shell fragment is clipped in location on the riser 511 of concave shaped portion by head and afterbody, under external force, the top of back-shaped shell fragment and head move backward and cooperate the tin strap clamp with solar panel to fasten with the riser of concave shaped portion by head relative to afterbody.On conducting strip, be provided with the crotch I53 of downward extension, compressing tablet is provided with the crotch II81 of downward extension, conducting strip is provided with opening I54, it is corresponding with opening I that compressing tablet is provided with opening II82, crotch I is located at opening I below, and crotch II is located at opening II below, and the pin of diode is passed down through opening I and opening II and is cooperated by crotch I and crotch II and clamps, also be provided with the elastic hook 83 that keeps outward-dipping at the two ends of compressing tablet, elastic hook is passed down through opening I and is stuck on the conducting strip.
In the foregoing description, on the lid bottom surface, be provided with the caulking groove 21 of setting-in box body sidepiece, be provided with sealing ring 22 in the caulking groove, on the top end face of box side wall body, be provided with and project upwards and caulking groove corresponding protruding 13.
Shown in Fig. 3 to 5, the utility model is applied in respectively in the different connectivity scenarios, realizes the multiple connectivity scenario of identical product, and only needs a mold to be used for producing the utility model product to get final product, and the production cost of the enterprise of reduction is worthy to be popularized.
Except that above preferred embodiment, the utility model also has other execution mode, those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (10)
1. photovoltaic terminal box, comprise box body (1) and lid (2) that mutual buckle connects, on box body front end wall body, be provided with the wire hole (11) that connects cable, it is characterized in that: described wire hole is set side by side with at least three, and wherein two wire holes are provided with the connector assembly of tightening cable.
2. a kind of photovoltaic terminal box according to claim 1, it is characterized in that: described connector assembly comprises guide post (31) and locking knob (32), be provided with the guide through hole (311) of pilot cable line in the guide post, the afterbody outer surface of guide post is provided with radial protrusion and is stuck in ring body (312) on the box body madial wall, the head of guide post outwards passes wire hole in box body, the head outer surface of guide post is provided with the screw-internal thread fit on thread segment (313) and the locking knob, and screwing locking knob, that guide post is against on the box body madial wall is fixing.
3. a kind of photovoltaic terminal box according to claim 1 and 2, it is characterized in that: described connector assembly also comprises binding post (33) and the binding post fixture (34) that is located in the box body, binding post is located in the binding post fixture, the binding post fixture is against on the guide post, on the binding post fixture, be provided with threaded fastener (35) thus passing binding post is pressed on the cable cable is fixed in the binding post.
4. a kind of photovoltaic terminal box according to claim 3, it is characterized in that: described connector assembly also comprises the waterproof jacket (36) that is located at the guide post front end and is located at and tightens up packing ring (37) on the waterproof jacket, locking knob is against to tighten up on the packing ring and make after screwing locking knob and tightens up packing ring and hold waterproof jacket tightly, thereby waterproof jacket is closely contacted with cable.
5. a kind of photovoltaic terminal box according to claim 1 is characterized in that: the wire hole that connector assembly is not set in all wire holes is provided with plunger (4), plunger and the wire hole interference fit of sealing wire hole.
6. a kind of photovoltaic terminal box according to claim 1, it is characterized in that: parallel at least two conducting strips (5) that are provided with in the described box body, conducting strip is provided with heat radiation rack (6), between box body and heat radiation rack, be provided with the fixedly location structure of heat radiation rack, the afterbody of conducting strip is connected with the tin band of solar panel, the head of conducting strip stretches into binding post and is connected with cable, cross-over connection has diode (7) between close in twos heat radiation rack, the pin of diode (71) is passed down through heat radiation rack and is connected with conducting strip, is provided with to cooperate the fixedly compressing tablet of diode pin (8) with conducting strip on conducting strip.
7. a kind of photovoltaic terminal box according to claim 6 is characterized in that: described location structure comprises the draw-in groove (61) on the left and right sides sidewall that is located at the heat radiation rack rear and front end and is located at protruding buckle (12) corresponding with bayonet socket on the box body inner bottom surface.
8. a kind of photovoltaic terminal box according to claim 6, it is characterized in that: the afterbody of described conducting strip is provided with concave shaped portion (51), back-shaped shell fragment (52) is housed on the concave shaped portion, the top of back-shaped shell fragment is provided with groove (521), the head of back-shaped shell fragment extends downwards, the afterbody of back-shaped shell fragment passes groove and keeps elasticity to press to head, back-shaped shell fragment is gone up the location by the riser (511) that head and afterbody are clipped in concave shaped portion, under external force, the top of back-shaped shell fragment and head move backward and cooperate the tin strap clamp with solar panel to fasten with the riser of concave shaped portion by head relative to afterbody.
9. a kind of photovoltaic terminal box according to claim 6, it is characterized in that: described conducting strip is provided with the crotch I (53) of downward extension, compressing tablet is provided with the crotch II (81) of downward extension, conducting strip is provided with opening I (54), it is corresponding with opening I that compressing tablet is provided with opening II (82), crotch I is located at opening I below, crotch II is located at opening II below, the pin of diode is passed down through opening I and opening II and is cooperated by crotch I and crotch II and clamps, also be provided with the elastic hook (83) that keeps outward-dipping at the two ends of compressing tablet, elastic hook is passed down through opening I and is stuck on the conducting strip.
10. a kind of photovoltaic terminal box according to claim 1, it is characterized in that: described lid bottom surface is provided with the caulking groove (21) of setting-in box body sidepiece, be provided with sealing ring (22) in the caulking groove, on the top end face of box side wall body, be provided with and project upwards and the corresponding projection of caulking groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200956055U CN202068140U (en) | 2011-04-02 | 2011-04-02 | Solar photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200956055U CN202068140U (en) | 2011-04-02 | 2011-04-02 | Solar photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068140U true CN202068140U (en) | 2011-12-07 |
Family
ID=45061993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200956055U Expired - Fee Related CN202068140U (en) | 2011-04-02 | 2011-04-02 | Solar photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202068140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577112A (en) * | 2016-02-23 | 2016-05-11 | 南京苗苗智能科技有限公司 | Intelligent solar photovoltaic junction box based on Internet of Things |
| CN110880725A (en) * | 2019-11-12 | 2020-03-13 | 福建乾德机电有限公司 | Sensor terminal box convenient to wiring |
-
2011
- 2011-04-02 CN CN2011200956055U patent/CN202068140U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577112A (en) * | 2016-02-23 | 2016-05-11 | 南京苗苗智能科技有限公司 | Intelligent solar photovoltaic junction box based on Internet of Things |
| CN110880725A (en) * | 2019-11-12 | 2020-03-13 | 福建乾德机电有限公司 | Sensor terminal box convenient to wiring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20120402 |