CN101741035A - Solar junction box - Google Patents
Solar junction box Download PDFInfo
- Publication number
- CN101741035A CN101741035A CN201010109027A CN201010109027A CN101741035A CN 101741035 A CN101741035 A CN 101741035A CN 201010109027 A CN201010109027 A CN 201010109027A CN 201010109027 A CN201010109027 A CN 201010109027A CN 101741035 A CN101741035 A CN 101741035A
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- China
- Prior art keywords
- junction box
- solar junction
- loam cake
- operating circuit
- lower cover
- 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.)
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a solar junction box. The solar junction box comprises a body, and a work circuit, a positive wire connecting device and a negative wire connecting device which are arranged in the body; and the body also comprises an upper cover, a lower cover and a fastening device used for fixing the upper cover with the lower cover, and the work circuit is arranged in the body in a dismountable manner. The invention solves the current technical problem and provides the solar junction box which can be used to conveniently change the internal circuit elements.
Description
Technical field
The present invention relates to a kind of solar junction box that is used for solar module.
Background technology
Because a large amount of burning fossil energies have caused global environmental pollution and ecological disruption, and human existence and development are constituted a threat to.Because solar energy has the following advantages: 1, do not have the region restriction, can directly develop, and need not exploit and transport; 2, not polluting the environment, is the energy that cleans most; 3, total amount is huge, also has the huge development space for the treatment of.Therefore make solar energy become most important renewable resource in the strategy of sustainable development, heliotechnics development at present rapidly, especially popularizing and using of solar energy quickened in the development of solar power station, technology such as solar building integrated.
Photovoltaic cell is the device that the solar radiation energy is directly changed into electric energy, and the getable maximum voltage of single silicon crystal photovoltaic cell is about 0.6V, and maximum current is about 30mA/cm
2Therefore the seldom single use of photovoltaic cell, but be together in series or parallel, to obtain desired voltage or electric current.Photovoltaic module by the product that a plurality of photovoltaic cells connect and encapsulation forms, is the elementary cell of battery array in the photovoltaic generating system just.In order to reach higher conversion efficiency, the cell in the photovoltaic module must have similar characteristic.In actual use, the battery crackle may appear or do not match, inner connect lost efficacy, local by shading or situation such as make dirty, cause the characteristic and the not harmony of integral body of one or a Battery pack.Not only output does not have contribution to the off resonance battery to assembly, and can consume the energy that other batteries produce, and causes local overheating.This phenomenon is called hot spot effect.When assembly during by short circuit, internal power consumption maximum, hot spot effect is also the most serious.Under the prior art, the common way that solves the hot spot effect problem is to install bypass diode on assembly additional.Generally, bypass diode is in reverse bias, does not influence the assembly operate as normal.When a battery was blocked, short its counter being biased into of other batteries was big resistance, and diode current flow surpassed the part that is hidden the battery photogenerated current and shunted by diode in total battery this moment, crossed cause thermal damage thereby avoid being hidden battery.Join a bypass diode generally can in the photovoltaic module each battery, but several batteries are one of an assembly, the battery that is blocked this moment only influences the generating capacity of its place battery pack.
Therefore, solar junction box is the crucial jockey that solar components is made system, and the effect of terminal box is to prevent to produce when the solar components part is blocked the hot spot effect.Cause the terminal box can't operate as normal if terminal box is damaged or connect not firm meeting, when the solar components part was blocked, whole solar components system be with regard to cisco unity malfunction, and the part that is blocked will be sent a large amount of heats, and serious meeting burns out assembly.Especially,, terminal box reaches 20 years or the longer time under the state that is installed on the solar components, so the possibility that terminal box is damaged is very high because will being used out of doors.And each parts of existing solar junction box all are fixedly connected, operating circuit also is fixed on box body inside, so no matter which parts has problem, all need during replacing terminal box integral body is changed, not only promoted the maintenance and the use cost of solar components, and in the process that solar junction box is changed, needed solar junction box integral body is reinstalled and fixed, might damage the solar cell box, increase the cost of safeguarding solar components.
Summary of the invention
For overcoming above-mentioned shortcoming, the object of the present invention is to provide a kind of solar junction box that can conveniently carry out the internal circuit element replacing.
In order to reach above purpose, the technical solution used in the present invention is: a kind of solar junction box, it comprises body, be arranged on the operating circuit of described body interior, positive wire jockey, cathode conductor jockey, described body comprises loam cake, lower cover, be used for fastener that described loam cake and lower cover are fixed together, and described operating circuit is removably disposed in described body interior.
Preferably, described operating circuit comprises a sheet metal and a plurality of bypass diode, be formed with interconnection line on the described sheet metal, described bypass diode directly is electrically connected in the described interconnection line, and described interconnection line is electrically connected with described positive wire jockey and cathode conductor jockey respectively in described body interior.
More preferably, described operating circuit is removably disposed in the lower surface of described loam cake.
More preferably, described operating circuit comprises a copper sheet and a plurality of bypass diode, is formed with interconnection line on the described copper sheet.
Further, described body interior also is provided with the plurality of circuits communication apparatus, described circuit communication apparatus is made up of the plug of the lower surface that is arranged on described loam cake and the socket that is arranged on the upper surface correspondence position of described lower cover, when described loam cake and lower cover were combined, described circuit communication apparatus was communicated with described operating circuit.
Further, described body is square, and described fastener lays respectively at the corner location of described body.
Owing to adopted technique scheme, make internal circuit element when damaging, only need with loam cake under cover to separate and take off, to be positioned at circuit element on the loam cake lower surface replaces and links together by fastener with lower cover, the process that can complete repairs, not only reduced unnecessary waste, and the whole operation process is simple and convenient as can be seen, has reduced the maintenance cost in the use of solar components later stage more.
Description of drawings
Accompanying drawing 1 is the front view of loam cake among a kind of solar junction box embodiment according to the present invention;
Accompanying drawing 2 is the front view of lower cover among a kind of solar junction box embodiment according to the present invention;
Accompanying drawing 3 is the three-dimensional broken away view of a kind of solar junction box embodiment according to the present invention.
Wherein:
110, loam cake; 111, bypass diode; 112, copper sheet; 113, plug; 114, fastener; 115, positive wire jockey; 116, cathode conductor jockey;
120, lower cover; 121, depression; 122, socket; 123, connecting hole.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby protection scope of the present invention is made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
Referring to accompanying drawing 1 to accompanying drawing 3, solar junction box in the present embodiment mainly is made up of the body that is square, the operating circuit that is arranged on body interior, positive wire jockey 115, cathode conductor jockey 116, the fastener 114 that body comprises loam cake 110, lower cover 120 and is used for loam cake 110 and lower cover 120 are fixed together, loam cake 110, lower cover 120 mutually combine and form an inner space with the outside air hermetic seal, and operating circuit is arranged in this space to prevent the shortening in operating circuit life-span.
The lower surface of loam cake 110 is provided with operating circuit, operating circuit comprises a plurality of bypass diodes 111 and copper sheet 112, mode by etching or machining on the copper sheet 112 is formed with interconnect circuit, thereby each bypass diode 111 directly is soldered to copper sheet 112 and is connected in the operating circuit, increase the area of dissipation of bypass diode 111 by copper sheet 112, thereby prolong the useful life of bypass diode 111; Copper sheet 112 extends to positive wire jockey 115 and cathode conductor jockey 116 respectively in loam cake 110.
Be formed with a plurality of depressions 121 with bypass diode 111 corresponding positions on the lower cover 120, therefore when loam cake 110 was combined with lower cover 120, the bypass diode 111 that is positioned on the loam cake 110 was positioned at depression 121 accordingly.
Body interior also is provided with the plurality of circuits communication apparatus, the lower surface of loam cake 110 is provided with a plurality of plugs 113, the bottom of plug 113 is communicated in the interconnect circuit by inner conductor, the upper surface correspondence position of lower cover 120 is provided with socket 122, also be provided with the spring coil that is used for fastening plug 113 in the socket 122, when loam cake 110 and lower cover 120 are fixed together, circuit communication apparatus is communicated with operating circuit, and in case with loam cake 110 when lower cover 120 is separated, circuit communication apparatus cuts off operating circuit.
As shown in Figure 3, fastener in the present embodiment comprises near the knobs that are arranged on the body 4 corners, can effectively prevent the warpage of body corner like this, each knob passes loam cake 110 respectively and is connected to the connecting hole 123 that is positioned on the lower cover 120, adopt the knob connection side the process of dismounting, certainly can also adopt for example multiple other connected mode such as flange and groove here, give unnecessary details no longer one by one here.
As can be seen, here only need operation knob that loam cake 110 is separated from lower cover 120, operating circuit is taken off and changes, again loam cake 110 is installed on the replacing that lower cover 120 has finally been realized operating circuit, certainly, operating circuit can be arranged in the lower cover 110 or the optional position of body interior fully, as long as operating circuit is arranged in the airtight space to prolong working life, just can realize the similar effect with above embodiment.
Abovely the present invention is described in detail in conjunction with execution mode; only be explanation technical conceive of the present invention and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. solar junction box, it comprises body, be arranged on the operating circuit of described body interior, positive wire jockey, cathode conductor jockey, it is characterized in that: described body comprises loam cake, lower cover, be used for fastener that described loam cake and lower cover are fixed together, and described operating circuit is removably disposed in described body interior.
2. a kind of solar junction box according to claim 1, it is characterized in that: described operating circuit comprises a sheet metal and a plurality of bypass diode, be formed with interconnection line on the described sheet metal, described bypass diode directly is electrically connected in the described interconnection line, and described interconnection line is electrically connected with described positive wire jockey and cathode conductor jockey respectively in described body interior.
3. a kind of solar junction box according to claim 2 is characterized in that: described operating circuit is removably disposed in the lower surface of described loam cake.
4. a kind of solar junction box according to claim 2 is characterized in that: described operating circuit comprises a copper sheet and a plurality of bypass diode, is formed with interconnection line on the described copper sheet.
5. a kind of solar junction box according to claim 1, it is characterized in that: described body interior also is provided with the plurality of circuits communication apparatus, described circuit communication apparatus is made up of the plug of the lower surface that is arranged on described loam cake and the socket that is arranged on the upper surface correspondence position of described lower cover, when described loam cake and lower cover were combined, described circuit communication apparatus was communicated with described operating circuit.
6. according to each described a kind of solar junction box in the claim 1 to 5, it is characterized in that: described body is square, and described fastener lays respectively at the corner location of described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101090276A CN101741035B (en) | 2010-02-08 | 2010-02-08 | Solar junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101090276A CN101741035B (en) | 2010-02-08 | 2010-02-08 | Solar junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101741035A true CN101741035A (en) | 2010-06-16 |
| CN101741035B CN101741035B (en) | 2012-02-01 |
Family
ID=42464081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101090276A Active CN101741035B (en) | 2010-02-08 | 2010-02-08 | Solar junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101741035B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976970A (en) * | 2010-07-30 | 2011-02-16 | 陈新初 | Photovoltaic assembly junction box |
| WO2015106704A1 (en) * | 2014-01-20 | 2015-07-23 | 袁欣 | Plug-in outer-lead photovoltaic assembly junction box and solar photovoltaic assembly string |
| CN105048957A (en) * | 2015-06-26 | 2015-11-11 | 晶澳（扬州）太阳能科技有限公司 | Intelligent photovoltaic component multifunctional junction box |
| CN107749742A (en) * | 2017-11-17 | 2018-03-02 | 无锡工赢智能科技有限公司 | A kind of solar energy bypass diode module |
-
2010
- 2010-02-08 CN CN2010101090276A patent/CN101741035B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976970A (en) * | 2010-07-30 | 2011-02-16 | 陈新初 | Photovoltaic assembly junction box |
| CN101976970B (en) * | 2010-07-30 | 2012-10-10 | 苏州固锝新能源科技有限公司 | Photovoltaic assembly junction box |
| WO2015106704A1 (en) * | 2014-01-20 | 2015-07-23 | 袁欣 | Plug-in outer-lead photovoltaic assembly junction box and solar photovoltaic assembly string |
| CN105048957A (en) * | 2015-06-26 | 2015-11-11 | 晶澳（扬州）太阳能科技有限公司 | Intelligent photovoltaic component multifunctional junction box |
| CN105048957B (en) * | 2015-06-26 | 2017-04-12 | 晶澳（扬州）太阳能科技有限公司 | Intelligent photovoltaic component multifunctional junction box |
| CN107749742A (en) * | 2017-11-17 | 2018-03-02 | 无锡工赢智能科技有限公司 | A kind of solar energy bypass diode module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101741035B (en) | 2012-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100616 Assignee: Suzhou Xietong Photovoltaic Science & Technology Co., Ltd. Assignor: Xu Jianfang| Chen Lequn Contract record no.: 2014320010122 Denomination of invention: Connecting terminal for solar terminal box Granted publication date: 20120201 License type: Exclusive License Record date: 20140630 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151021 Address after: 215011 Jiangsu city of Suzhou province Wuzhong District Mudu Clock Tower Road 30-B Patentee after: Suzhou Xietong Photovoltaic Science & Technology Co., Ltd. Address before: Mudu Clock Tower Road in Suzhou city of Jiangsu province 215101 No. 30 Suzhou Photovoltaic Technology Co. Ltd in harmonic pass Patentee before: Xu Jianfang Patentee before: Chen Lequn |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215011 Jiangsu city of Suzhou province Wuzhong District Mudu Clock Tower Road 30-B Patentee after: Suzhou Heng Tong photovoltaic Polytron Technologies Inc Address before: 215011 Jiangsu city of Suzhou province Wuzhong District Mudu Clock Tower Road 30-B Patentee before: Suzhou Xietong Photovoltaic Science & Technology Co., Ltd. |