CN201248017Y - Wiring box for solar photovoltaic electrification component - Google Patents
Wiring box for solar photovoltaic electrification component Download PDFInfo
- Publication number
- CN201248017Y CN201248017Y CNU2008200414469U CN200820041446U CN201248017Y CN 201248017 Y CN201248017 Y CN 201248017Y CN U2008200414469 U CNU2008200414469 U CN U2008200414469U CN 200820041446 U CN200820041446 U CN 200820041446U CN 201248017 Y CN201248017 Y CN 201248017Y
- Authority
- CN
- China
- Prior art keywords
- box body
- box
- solar photovoltaic
- electrification component
- bypass diode
- 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
Links
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000010454 slate Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a solar energy photovoltaic generating assembly junction box which belongs to the technical field of solar energy power supply assemblies and comprises a box cover, a box body and an electric switching unit including a group of shunt diodes, wherein the electric switching unit is arranged in the box body, the box cover is covered and matched on the box body, the electric switching unit also comprises a group of radiating fins which at least have the same quantity with shunt diodes, each shunt diode is arranged on each radiating fin; two sides of the length direction of the box body respectively forma box wing, the bottom of the outer side at the middle part of the length direction of the box body is provided with raised lines at intervals in the extending way, a ventilating duct is formed between every two adjacent raised lines, and the ventilating ducts are communicated with ventilating holes communicated with the outside. The utility model has the advantages that the shunt diodes are fixed on the radiating fins, the heat generated by the shunt diodes is evenly radiated by the radiating fins; the bottom of the box body is provided with the raised lines in the extending way, thereby the box body can not be shielded by the solar energy photovoltaic panel so as to be favorable to the radiation of the heat when arranged on a solar energy photovoltaic panel.
Description
Technical field
The utility model belongs to sun-generated electric power component technology field, is specifically related to a kind of Wiring box for solar photovoltaic electrification component.
Background technology
Be no lack of about Wiring box for solar photovoltaic electrification component, for example in disclosed Chinese patent literature: A. Granted publication CN2716748Y has recommended a kind of structure-improved of solar assembly junction box; And for example B. publication number CN101138098A has recommended to be used for the terminal box of output line of solar energy module and the installation method of this terminal box; Also introduced solar photovoltaic electrification component plug wire box as C. Granted publication CN200941388Y; D. Granted publication CN201075856Y discloses the solar energy photovoltaic metallic wiring box for another example, or the like.The technical purpose of above-mentioned document A is to solve the air permeability in the terminal box; prevent that box body from deforming because of the heat that is subjected to coming from solar components backboard face; so at least one side at box body is provided with the air vent hole that the external world is communicated with the box chamber at interval; obvious, this scheme is useful for the protection of box body self.Above-mentioned document B the technique effect that will get the phase be to avoid moisture and/or moisture to enter that docking point exerts an influence in the box, therefore in the box chamber of box body, be full of protective sealant, encase contact by protective sealant, concrete visible Instructions Page 3 the 9th～14 row.The technical problem that above-mentioned document C and D are solved is to avoid the diode in the terminal box to damage because of heating.
Above-mentioned patent or patent application have following logical fraud: the one since the bypass diode that will take on the electrical interconnecting device of carrying out switching between solar energy power generating silicon crystal slate lead-in wire and the external lead wire with direct laminating type or with chimeric mode be combined in the box body, therefore, when Wiring box for solar photovoltaic electrification component when solar energy power generating is worked, electric current flows through bypass diode can make the bypass diode heating, the heat radiation of bypass diode often shows serious inhomogeneities, bypass diode under the condition of high temperature, produce the open circuit and ineffective, the final trouble free service that influences the solar energy power generating silicon crystal slate, even burn the solar power generation silicon crystal slate; The 2nd, the reason known as industry, because Wiring box for solar photovoltaic electrification component posts on solar photovoltaic cell panel under user mode, promptly be mounted on the back side of solar photovoltaic cell panel, therefore the terminal box of any one structure of introducing of above-mentioned patent causes blocking of part all can for solar photovoltaic cell panel (being called for short the silicon plate), be unfavorable for the heat radiation of silicon plate, finally influence the useful life of silicon plate.
Summary of the invention
Task of the present utility model be to provide the heat radiation of a kind of bypass diode evenly, box body can not cause to solar photovoltaic cell panel and cover and help the Wiring box for solar photovoltaic electrification component of solar photovoltaic cell panel heat radiation.
Task of the present utility model is finished like this, a kind of Wiring box for solar photovoltaic electrification component, it comprises: lid, box body and the electrical interconnecting device that is made of one group of bypass diode, this electrical interconnecting device is located in the box body, the lid lid fits on the box body, described electrical interconnecting device also includes the fin that one group of quantity equates with the quantity of described bypass diode at least, and each bypass diode is installed on one piece of fin; The both sides of the length direction of described box body respectively constitute a box wing, and the exterior bottom at the middle part of the length direction of box body has extended raised line at interval, constitute air duct between the adjacent raised line, air duct be opened in box body on and the ventilating opening that communicates with the external world communicate.
Lid described in the utility model surface outward with the interval state extended heat sink strip, and lid has extended filler rod around a side of box body, described box body constitutes caulking groove around a side of lid, described filler rod matches with described caulking groove.
Constitute the heat radiation bar on the box body described in the utility model, be provided with the bypass diode chamber between on the heat radiation bar, put on the heat radiation bar described fin shop, and described bypass diode is located in the described bypass diode chamber.
The box wing described in the utility model comprises first, second flanging, and first flanging is formed by downward-sloping the extending of the sidepiece of the length direction of box body, and second flanging is extended with level by first flanging and constitutes.
The material of fin described in the utility model is a copper sheet.
The shape of air duct described in the utility model is crooked.
The S-shaped bending of bending described in the utility model.
One of technical scheme advantage provided by the utility model because bypass diode has been fixed on the fin, is therefore evenly distributed the heat that bypass diode produced by fin; Two, owing to extended raised line in the bottom of box body, by constituting air duct between the adjacent raised line and constituting the box wing, therefore, after box body is installed on the solar photovoltaic cell panel, can not cover and help distributing of heat to solar photovoltaic cell panel in the both sides of the length direction of box body.
Description of drawings
Fig. 1 is an example structure figure of the present utility model.
Fig. 2 is an application examples schematic diagram of the present utility model.
Embodiment
Ask for an interview Fig. 1, provided box body 2 in the drawings, the front of box body 2 promptly is heat radiation bar 26 towards the central region of that face of lid 1, and 2 of box bodys promptly constitute caulking groove 24 around heat radiation bar 26 around a side of lid 1.Location status with current icon is an example, and the front side lateral margin of box body 2 has extended couple of conductor seat 25, and each lead seat 25 constitutes one first wire casing 251.Ventilating opening 28 is offered at the two ends of the rear side of box body 2.Rear side lateral margin at box body 2 has extended a pair of first angle 22, is that left and right sides has respectively extended a box wing 27 in the both sides of the length direction of box body 2.The described box wing 27 is made of first, second flanging 271,272, wherein: first flanging 271 extends with downward-sloping state on box body 2 and forms, the angle that tilts is 40-45 °, and present embodiment is selected 45 °, and second flanging 272 is extended with level by first flanging 271 and constitutes.As can be seen from the figure, owing to constitute stepped relation between the box wing 27 and the box body 2, thus can make box body 2 under user mode, be in unsettled (support is empty) state.On the heat radiation bar 26 of box body 2, be concaved with one group of bypass diode chamber 261 at interval, there is shown three bypass diode chambeies 261, the quantity of one group of bypass diode 31 of the electrical interconnecting device 3 that will mention below this shows is 3, in addition, on heat radiation bar 26 and at position, also convex with metallic channel 262 corresponding to aforesaid first wire casing 251.The bottom section of box body 2 more particularly corresponding to the zone, the back side of heat radiation bar 26 with the interval state extended raised line 21, constitute air duct 211 between the raised line 21, air duct 211 communicates with ventilating opening 28 on being opened in box body 2, and ventilating opening 28 communicates with the external world.The S-shaped bending of the shape of air duct 211 (shown in Figure 2).If someone painstakingly is replaced with aforesaid raised line 21 bead of column, should be considered as so and raised line 21 equivalences.Left and right side at box body 2 respectively is processed with a pair of jack 23.
Please continue to see Fig. 1, the quantity of one group of bypass diode 31 of electrical interconnecting device 3 has 3, for example be fixed on the corresponding fin 32 in the paster mode with electron trade chip mounter commonly used, and in the located bypass diode chamber 261.The material of fin 32 adopts copper sheet (also claiming sheet copper), and whole shakedown applies and promptly is shelved on the heat radiation bar 26.Electric connecting relation between fin 32 and the bypass diode 31 and and figure in annexation between the lead 5 illustrated belong to known technology, for example can obtain understanding, particularly can obtain understanding by reading CN200956371Y by the disclosed patent documentation that the applicant mentions in the background technology hurdle.
Still ask for an interview Fig. 1, a pair of chucking lug 12 that lid 1 is extended by pin 13 that left and right side extended and rear side is realized joining with box body 2 lids, specifically: pin 13 is inserted jacks 23, simultaneously first angle 22 is inserted chucking lugs 12.Extend a pair of position and described lead seat 25 corresponding line ball seats 15 at the front side of lid 1 lateral margin, line ball seat 15 constitutes second wire casing 151, by the common cooperation of first, second wire casing 251,151 lead 5 is seized on both sides by the arms.Around a side of box body 2, extended a circle filler rod 14 1 of lid, caulking groove 24 tablings on filler rod 14 and the box body 2.
Ask for an interview Fig. 2 and, in Fig. 1 and Fig. 2, all show solar photovoltaic cell panel 4,, can understand by means of CN101138098Y equally about solar photovoltaic cell panel 4 in conjunction with Fig. 1.Wiring box for solar photovoltaic electrification component of the present utility model is installed in the back side of photovoltaic electroplax 4, by Fig. 1 and/or Fig. 2 finding, because the existence of raised line 21, box body 2 is not fitted with solar photovoltaic cell panel 4 comprehensively, but have air duct 211, thereby distribute by air duct 211 and ventilating opening 28 heat with solar photovoltaic cell panel 4.That is to say that box body 2 does not constitute solar photovoltaic cell panel 4 is covered, thereby can ensure the useful life of solar photovoltaic cell panel 4.And the heat of the generation of bypass diode 31 can be evenly distributed to (transmission) fin 32, is evenly distributed by fin 32, protection bypass diode 31 is able to operate as normal has positive effect.
Claims (7)
1, a kind of Wiring box for solar photovoltaic electrification component, it comprises: lid (1), box body (2) and the electrical interconnecting device (3) that is made of one group of bypass diode (31), this electrical interconnecting device (3) is located in the box body (2), lid (1) lid fits on the box body (2), it is characterized in that described electrical interconnecting device (3) also includes the fin (32) that one group of quantity equates with the quantity of described bypass diode (31) at least, each bypass diode (31) is installed on one piece of fin (32); The both sides of the length direction of described box body (2) respectively constitute a box wing (27), and the exterior bottom at the middle part of the length direction of box body (2) has extended raised line (21) at interval, constitute air duct (211) between the adjacent raised line (21), air duct (211) be opened in box body (2) on and the ventilating opening (28) that communicates with the external world communicate.
2, Wiring box for solar photovoltaic electrification component according to claim 1, it is characterized in that described lid (1) surface outward with the interval state extended heat sink strip (11), and lid (1) has extended filler rod (14) around a side of box body (2), described box body (2) constitutes caulking groove (24) around a side of lid (1), described filler rod (14) matches with described caulking groove (24).
3, Wiring box for solar photovoltaic electrification component according to claim 1, it is characterized in that constituting on the described box body (1) heat radiation bar (26), between going up, heat radiation bar (26) is provided with bypass diode chamber (261), put on heat radiation bar (26) described fin (32) shop, and described bypass diode (31) is located in the described bypass diode chamber (261).
4, Wiring box for solar photovoltaic electrification component according to claim 1, it is characterized in that the described box wing (27) comprises first, second flanging (271,272), first flanging (271) is formed by downward-sloping the extending of sidepiece of the length direction of box body (2), and second flanging (272) extends formation by first flanging (271) with level.
5, according to claim 1 or 3 described Wiring box for solar photovoltaic electrification component, the material that it is characterized in that described fin (32) is a copper sheet.
6, Wiring box for solar photovoltaic electrification component according to claim 1 is characterized in that the shape of described air duct (211) is crooked.
7, Wiring box for solar photovoltaic electrification component according to claim 6 is characterized in that the S-shaped bending of described bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200414469U CN201248017Y (en) | 2008-08-27 | 2008-08-27 | Wiring box for solar photovoltaic electrification component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200414469U CN201248017Y (en) | 2008-08-27 | 2008-08-27 | Wiring box for solar photovoltaic electrification component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201248017Y true CN201248017Y (en) | 2009-05-27 |
Family
ID=40731844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200414469U Expired - Fee Related CN201248017Y (en) | 2008-08-27 | 2008-08-27 | Wiring box for solar photovoltaic electrification component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201248017Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130429A (en) * | 2010-10-26 | 2011-07-20 | 苏州瀚德光伏科技有限公司 | Wiring box easy to be connected with cables |
| EP2584615A1 (en) * | 2011-10-18 | 2013-04-24 | Chi-Jen Yang | Combiner box |
| CN103828159A (en) * | 2012-09-20 | 2014-05-28 | 株式会社小松制作所 | Grounding structure of controller mounted to construction machine |
| CN105991090A (en) * | 2016-06-06 | 2016-10-05 | 江苏云之尚节能科技有限公司 | All-glue-pouring photovoltaic connecting box with three-side ventilation bottom and inverted and suspended internal diode |
-
2008
- 2008-08-27 CN CNU2008200414469U patent/CN201248017Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130429A (en) * | 2010-10-26 | 2011-07-20 | 苏州瀚德光伏科技有限公司 | Wiring box easy to be connected with cables |
| EP2584615A1 (en) * | 2011-10-18 | 2013-04-24 | Chi-Jen Yang | Combiner box |
| CN103828159A (en) * | 2012-09-20 | 2014-05-28 | 株式会社小松制作所 | Grounding structure of controller mounted to construction machine |
| CN103828159B (en) * | 2012-09-20 | 2016-10-19 | 株式会社小松制作所 | The ground structure of the controller being mounted on construction implement |
| US9723754B2 (en) | 2012-09-20 | 2017-08-01 | Komatsu Ltd. | Ground structure of controller mounted in construction machine |
| CN105991090A (en) * | 2016-06-06 | 2016-10-05 | 江苏云之尚节能科技有限公司 | All-glue-pouring photovoltaic connecting box with three-side ventilation bottom and inverted and suspended internal diode |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20170827 |