CN104362972A - Split type photovoltaic terminal box with cable protection structure - Google Patents
Split type photovoltaic terminal box with cable protection structure Download PDFInfo
- Publication number
- CN104362972A CN104362972A CN201410647600.7A CN201410647600A CN104362972A CN 104362972 A CN104362972 A CN 104362972A CN 201410647600 A CN201410647600 A CN 201410647600A CN 104362972 A CN104362972 A CN 104362972A
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- Prior art keywords
- box body
- cable
- box
- briquetting
- split type
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- 239000004020 conductor Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 206010024453 Ligament sprain Diseases 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 208000010040 Sprains and Strains Diseases 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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
-
- 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 invention provides a split type photovoltaic terminal box with a cable protection structure. The split type photovoltaic terminal box comprises a left box body assembly, a middle box body assembly and a right box body assembly, and the left box body assembly, the middle box body assembly and the right box body assembly are independent from one another. Conductors and diodes are arranged in the left box body assembly, the middle box body assembly and the right box body assembly, a pressing block is arranged at the lower left corner of a left box body, the included angles between the pressing block and the two side walls of the left box body are 135 degrees, a protection sleeve is arranged on the pressing block, and the lead-out end of a negative electrode cable penetrates through the space between the pressing block and the protection sleeve, and is connected with the conductors. A pressing block is arranged at the lower right corner of a right box body, the included angles between the pressing block and the two side walls of the right box body are 135 degrees, a protection sleeve is arranged on the pressing block, and the lead-out end of a positive electrode cable penetrates through the space between the pressing block and the protection sleeve, and is connected with the conductors. The split structure is adopted in the terminal box, the three box body assemblies are used in cooperation, the length of the cable is reduced, and the internal resistance of a transmission circuit is reduced. The lead-out ends of the cables are designed obliquely, and are suitable for mounting of various assemblies, and the cables are prevented from being twisted. The lead-out ends of the cables are provided with the protection sleeves, and the function of protecting the cables is further achieved.
Description
Technical field
The invention belongs to photovoltaic application, specifically a kind of split type photovoltaic junction box of tape cable operator guards.
Background technology
Inexhaustible solar energy because its safety, clean, environmental protection and be more and more subject to the favor of people.Solar photovoltaic industry becomes the rising industry that the whole world is competitively chased, and in China, increasing enterprise joins this " day by day enterprise ", and China has become global the third-largest photovoltaic manufacture base, is only second to Japan, Germany.Meanwhile, also promote the development of solar energy related components industry, as photovoltaic terminal box, photovoltaic connector, controller, inverter, storage battery etc.
Photovoltaic terminal box is as a vitals of solar module, it is the connector between the solar cell array and rechargeable solar battery control device of solar module formation, the cross-cutting comprehensive design that collection electrical design, Machine Design and a material science combine, for user provides the scheme that is connected of solar panel.As a kind of connector of solar module, the main effect of photovoltaic terminal box is exactly be stored up to storage battery through cable transmission by the electric energy that solar module produces.Due to particularity and the costliness of itself value of solar cell use occasion, photovoltaic terminal box must have following principal character: shell has strong anti-aging, ultraviolet-resistant capacity, accords with the instructions for use under outdoor severe environmental conditions; Outstanding radiating mode and rational cavity volume effectively reduce internal temperature, to meet electrical safety requirements; Good waterproof and dustproof is protected as user provides safe connection scheme.Along with the power of solar photovoltaic power plant is increasing, the power of photovoltaic junction box is also increasing, so photovoltaic junction box also should, current carrying capacity large, thermal diffusivity good, sealing structure good, security reliability high, user installation use the feature such as flexible trend development little towards volume.
The patent No. be 201420026139.9 Chinese patent disclose a kind of split type photovoltaic junction box, it comprises the first box body and the second box body, first box body and the second box body are two independently box bodys, electric conductor and diode is provided with bottom first box body and the second box body, welding diode is on electric conductor, and in the first box body, electric conductor is made up of two conducting strips, and diode is one, in second box body, electric conductor is made up of three conducting strips, and diode is two; Draw a negative pole cable in first box body, in the second box body, draw an electrode cable.Two independently terminal box be respectively installed to the left and right sides of photovoltaic battery panel, shorten the phase mutual edge distance that cell panel is connected with cell panel circuit, thus save cable.But the electric current that this terminal box can only realize 60 polycrystalline assembly solar energy generations transmits in transmission loop, therefore just need multiple terminal box to transmit in transmission loop with the electric current realizing the generation of multi-disc polycrystalline assembly solar energy, virtually just add cost.And the cable of this terminal box is subject to larger lateral force and bending tension force in terminal box exit, not only make cable stretch not easily to all directions, also easily make cable crust cracking herein, cause electric leakage.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, there is provided a kind of split type photovoltaic junction box of tape cable operator guards, this split type photovoltaic junction box shortens the length of cable, cost-saving, reduce internal resistance, greatly reduce the kwh loss on cable; Also cable lead-out end is adopted inclined design, be applicable to the installation of various assembly, prevent cable from spraining, cause electric leakage; Cable lead-out end and body contact position add protective sleeve, play the effect of protection cable further.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is to provide a kind of split type photovoltaic junction box of tape cable operator guards, comprises separate left box component, middle box component and right box component; Described left box component comprises left box body and left lid, middle box component comprises middle box body and middle lid, right box component comprises right box body and right lid, electric conductor and diode is provided with in left box body, middle box body and right box body, welding diode is on electric conductor, in left box body, middle box body and right box body, electric conductor is all made up of two sheet metals, and diode is all one; There is briquetting in the lower left corner of described left box body, and the angle of briquetting and left box body two side is 135 °, and briquetting has protective sleeve, and the exit of negative pole cable passes in the middle of briquetting and protective sleeve, and is connected with electric conductor, and the negative pole cable other end has negative pole connector; There is briquetting in the lower right corner of described right box body, and the angle of briquetting and right box body two side is 135 °, and briquetting has protective sleeve, and the exit of electrode cable passes in the middle of briquetting and protective sleeve, and is connected with electric conductor, and the electrode cable other end has positive connector.
For the purpose of simple declaration problem, below to the split type photovoltaic junction box of tape cable operator guards of the present invention all referred to as this terminal box.
This terminal box adopts split-type structural, left box component, middle box component and right box component with the use of, left box component is arranged on the left side of solar panel, middle box component is arranged on the centre position of solar panel, right box component is arranged on the right side of solar panel, connect with cable between adjacent cell plate, the connections such as the inner available nickel aluminium strip of same cell panel, substantially reduce the length of cable between cell panel and cell panel, save material, reduce the internal resistance in transmission loop, thus reduce the loss in current delivery process.This terminal box has three diodes, and the electric current that can realize at least 72 polycrystalline assembly solar energy generations transmits in transmission loop.Negative pole cable is also located at the left box component lower left corner by this terminal box, and be 135 ° with the angle of left box component two side, electrode cable is located at the right box component lower right corner, and be 135 ° with the angle of right box component two side, not only be applicable to the installation of various assembly, easy to use, its bending tension force can also be reduced, prevent from cable from causing when all directions stretch to sprain, cause electric leakage.This terminal box adds protective sleeve at cable lead-out end and body contact position, plays the effect of protection cable further.
The junction of described negative pole connector and negative pole cable and positive connector and electrode cable all has sealing plug to seal, and strengthens waterproof and dustproof and the decay resistance in transmission loop.
The inside of described left box component, middle box component and right box component all adopts casting glue to seal, and strengthens dust-proof, waterproof and the decay resistance of terminal box, thus extends the useful life of terminal box.
The exit of described electrode cable and the exit of negative pole cable are all first riveted with electric conductor and are welded afterwards, also reduce loop electronics while strengthening exit intensity, thus realize reducing the loss of electric current in transmitting procedure.
Described diode is chip diode, can reduce terminal box volume.
Accompanying drawing explanation
Fig. 1 is the structural representation of the split type photovoltaic junction box of tape cable operator guards of the present invention;
Fig. 2 is the structural representation of the left box component of the present invention;
Fig. 3 is the structural representation of box component in the present invention;
Fig. 4 is the structural representation of the right box component of the present invention.
Embodiment
In order to more clearly understand the present invention, below in conjunction with the drawings and specific embodiments, the invention will be further described.
The split type photovoltaic junction box of tape cable operator guards, as shown in Figure 1, be made up of left box component 100, middle box component 200 and right box component 300, left box component 100, middle box component 200 and right box component 300 are separate, with the use of.
As shown in Figure 2, left box component 100 comprises left box body 10 and left lid 9, left lid 9 can engagingly cover on left box body 10, electric conductor and a chip diode 7 is had in left box body 10, described electric conductor is two metalworks 6, chip diode 7 is between two metalworks 6, chip diode 7 welds with two metalworks 6, the perforate for wearing wire is had bottom left box body 10, there is briquetting 4 in the lower left corner of left box body 10, briquetting 4 is obliquely installed, and be all 135 ° with the angle of two adjacent walls of left box body 10, briquetting 4 is one-body molded with left box body 10, briquetting 4 is provided with protective sleeve 5, the exit of cable 3 passes between briquetting 4 and protective sleeve 5, and take first to rivet the mode of welding again with the metalwork 6 in left side and be connected, cable 3 other end is connected with negative pole connector 1, and seal at cable and negative pole connector 1 junction sealing plug 2, inside casting glue 8 embedding of left box body 10.
As shown in Figure 3, middle box component 200 comprises middle box body 11 and middle lid 9, middle lid 9 can engagingly cover on middle box body 11, electric conductor and chip diode 7 is had in middle box body 11, described electric conductor is two metalworks 6, and chip diode 7 is between two metalworks 6, and chip diode 7 welds with two metalworks 6, middle box body 11 both sides have the perforate for wearing wire, inside casting glue 8 embedding of middle box body 11.
As shown in Figure 4, right box component 300 comprises right box body 12 and right lid 14, right lid 14 can engagingly cover on right box body 12, electric conductor and a chip diode 7 is had in right box body 12, described electric conductor is two metalworks 6, chip diode 7 is between two metalworks 6, chip diode 7 welds with two metalworks 6, there is briquetting 4 in the lower right corner of right box body 12, briquetting 4 is obliquely installed, and be all 135 ° with the angle of two adjacent walls of left box body 10, briquetting 4 utilizes supersonic welding to be connected on right box body 12, briquetting 4 is provided with protective sleeve 5, the exit of cable 3 passes between briquetting 4 and protective sleeve 5, and take first to rivet the mode of welding again with the metalwork 6 on right side and be connected, cable 3 other end is connected with positive connector 13, and seal at cable 3 and positive connector 13 junction sealing plug 2, inside casting glue 8 embedding of right box body 12.
Split type photovoltaic junction box of the present invention not only can shorten the length of cable, cost-saving, reduces the resistance in transmission loop, and has dust-proof, waterproof anti-corrosion performance preferably.
The above; it is only the specific embodiment of the present invention; not limitation of the present invention, those skilled in the art is not when departing from the technology of the present invention design principle, and the change utilizing above-mentioned technology contents to do or modification all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. the split type photovoltaic junction box of tape cable operator guards, is characterized in that: comprise separate left box component, middle box component and right box component; Described left box component comprises left box body and left lid, middle box component comprises middle box body and middle lid, right box component comprises right box body and right lid, electric conductor and diode is provided with in left box body, middle box body and right box body, welding diode is on electric conductor, in left box body, middle box body and right box body, electric conductor is all made up of two sheet metals, and diode is all one; There is briquetting in the lower left corner of described left box body, and the angle of briquetting and left box body two side is 135 °, and briquetting has protective sleeve, and the exit of negative pole cable passes in the middle of briquetting and protective sleeve, and is connected with electric conductor, and the negative pole cable other end has negative pole connector; There is briquetting in the lower right corner of described right box body, and the angle of briquetting and right box body two side is 135 °, and briquetting has protective sleeve, and the exit of electrode cable passes in the middle of briquetting and protective sleeve, and is connected with electric conductor, and the electrode cable other end has positive connector.
2. the split type photovoltaic junction box of tape cable operator guards according to claim 1, is characterized in that: the junction of described negative pole connector and negative pole cable and positive connector and electrode cable all has sealing plug to seal.
3. the split type photovoltaic junction box of tape cable operator guards according to claim 1, is characterized in that: the inside of described left box component, middle box component and right box component all adopts casting glue to seal.
4. the split type photovoltaic junction box of tape cable operator guards according to claim 1, is characterized in that: the exit of described electrode cable and the exit of negative pole cable are all first riveted with electric conductor and welded afterwards.
5. the split type photovoltaic junction box of tape cable operator guards according to any one of claim 1 to 4, is characterized in that: described diode is chip diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647600.7A CN104362972A (en) | 2014-11-15 | 2014-11-15 | Split type photovoltaic terminal box with cable protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647600.7A CN104362972A (en) | 2014-11-15 | 2014-11-15 | Split type photovoltaic terminal box with cable protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104362972A true CN104362972A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410647600.7A Pending CN104362972A (en) | 2014-11-15 | 2014-11-15 | Split type photovoltaic terminal box with cable protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104362972A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280739A (en) * | 2015-07-02 | 2016-01-27 | 常州天合光能有限公司 | Heat-dissipation split-type conjunction box used for solar assembly and solar cell assembly thereof |
| CN107040203A (en) * | 2017-05-15 | 2017-08-11 | 苏州快可光伏电子股份有限公司 | A kind of improved combined type photovoltaic component terminal box |
| CN107612497A (en) * | 2017-10-30 | 2018-01-19 | 扬中市龙飞达汽车配件有限公司 | A kind of small-sized split type photovoltaic junction box |
| CN107800379A (en) * | 2017-11-24 | 2018-03-13 | 浙江人和光伏科技有限公司 | A kind of photovoltaic wiring units |
| CN108152904A (en) * | 2018-01-19 | 2018-06-12 | 国家电网公司 | Insulating splicing box of optical fiber composite overhead ground wire |
| CN108551325A (en) * | 2018-06-26 | 2018-09-18 | 浙江晶科能源有限公司 | A kind of photovoltaic junction box |
| CN108599716A (en) * | 2018-06-26 | 2018-09-28 | 浙江晶科能源有限公司 | A kind of photovoltaic junction box |
| CN109768767A (en) * | 2018-12-05 | 2019-05-17 | 苏州快可光伏电子股份有限公司 | A split junction box for solar double-glass modules |
| CN110011614A (en) * | 2019-05-06 | 2019-07-12 | 晶科能源有限公司 | A photovoltaic junction box and a photovoltaic assembly |
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| WO2010014941A1 (en) * | 2008-07-31 | 2010-02-04 | Daystar Technologies, Inc. | Solar modules, solar module junction boxes, and methods for mounting junction boxes to solar modules |
| CN101753060A (en) * | 2008-12-19 | 2010-06-23 | 承建洪 | Photovoltaic terminal box |
| CN201742341U (en) * | 2010-07-26 | 2011-02-09 | 阿特斯(中国)投资有限公司 | Photovoltaic junction box |
| CN103050562A (en) * | 2012-12-07 | 2013-04-17 | 常州大学 | Material-saving and consumption-reducing photovoltaic component |
| CN103516308A (en) * | 2012-06-20 | 2014-01-15 | 江苏通灵电器股份有限公司 | Three-in-one photovoltaic assembly junction box |
| CN204180011U (en) * | 2014-11-15 | 2015-02-25 | 信息产业部电子第四十研究所华成高新技术公司 | The split type photovoltaic junction box of tape cable operator guards |
-
2014
- 2014-11-15 CN CN201410647600.7A patent/CN104362972A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010014941A1 (en) * | 2008-07-31 | 2010-02-04 | Daystar Technologies, Inc. | Solar modules, solar module junction boxes, and methods for mounting junction boxes to solar modules |
| CN101753060A (en) * | 2008-12-19 | 2010-06-23 | 承建洪 | Photovoltaic terminal box |
| CN201742341U (en) * | 2010-07-26 | 2011-02-09 | 阿特斯(中国)投资有限公司 | Photovoltaic junction box |
| CN103516308A (en) * | 2012-06-20 | 2014-01-15 | 江苏通灵电器股份有限公司 | Three-in-one photovoltaic assembly junction box |
| CN103050562A (en) * | 2012-12-07 | 2013-04-17 | 常州大学 | Material-saving and consumption-reducing photovoltaic component |
| CN204180011U (en) * | 2014-11-15 | 2015-02-25 | 信息产业部电子第四十研究所华成高新技术公司 | The split type photovoltaic junction box of tape cable operator guards |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280739A (en) * | 2015-07-02 | 2016-01-27 | 常州天合光能有限公司 | Heat-dissipation split-type conjunction box used for solar assembly and solar cell assembly thereof |
| CN105280739B (en) * | 2015-07-02 | 2017-02-22 | 常州天合光能有限公司 | Heat-dissipation split-type conjunction box used for solar assembly and solar cell assembly thereof |
| CN107040203A (en) * | 2017-05-15 | 2017-08-11 | 苏州快可光伏电子股份有限公司 | A kind of improved combined type photovoltaic component terminal box |
| CN107612497A (en) * | 2017-10-30 | 2018-01-19 | 扬中市龙飞达汽车配件有限公司 | A kind of small-sized split type photovoltaic junction box |
| CN107612497B (en) * | 2017-10-30 | 2023-11-07 | 江苏海天微电子股份有限公司 | Small split type photovoltaic junction box |
| CN107800379A (en) * | 2017-11-24 | 2018-03-13 | 浙江人和光伏科技有限公司 | A kind of photovoltaic wiring units |
| CN108152904A (en) * | 2018-01-19 | 2018-06-12 | 国家电网公司 | Insulating splicing box of optical fiber composite overhead ground wire |
| CN108551325A (en) * | 2018-06-26 | 2018-09-18 | 浙江晶科能源有限公司 | A kind of photovoltaic junction box |
| CN108599716A (en) * | 2018-06-26 | 2018-09-28 | 浙江晶科能源有限公司 | A kind of photovoltaic junction box |
| CN109768767A (en) * | 2018-12-05 | 2019-05-17 | 苏州快可光伏电子股份有限公司 | A split junction box for solar double-glass modules |
| CN110011614A (en) * | 2019-05-06 | 2019-07-12 | 晶科能源有限公司 | A photovoltaic junction box and a photovoltaic assembly |
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| PB01 | Publication | ||
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Application publication date: 20150218 |