CN204180011U - The split type photovoltaic junction box of tape cable operator guards - Google Patents

The split type photovoltaic junction box of tape cable operator guards Download PDF

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Publication number
CN204180011U
CN204180011U CN201420683361.6U CN201420683361U CN204180011U CN 204180011 U CN204180011 U CN 204180011U CN 201420683361 U CN201420683361 U CN 201420683361U CN 204180011 U CN204180011 U CN 204180011U
Authority
CN
China
Prior art keywords
box
briquetting
cable
component
electric conductor
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
Application number
CN201420683361.6U
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Chinese (zh)
Inventor
刘凯
赵辉
郑加强
张灿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huacheng High-Tech Co ltd Of Electronic No40 Research Institute Ministry Of Industry And Information Technology
Original Assignee
Huacheng High-Tech Co ltd Of Electronic No40 Research Institute Ministry Of Industry And Information Technology
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Application filed by Huacheng High-Tech Co ltd Of Electronic No40 Research Institute Ministry Of Industry And Information Technology filed Critical Huacheng High-Tech Co ltd Of Electronic No40 Research Institute Ministry Of Industry And Information Technology
Priority to CN201420683361.6U priority Critical patent/CN204180011U/en
Application granted granted Critical
Publication of CN204180011U publication Critical patent/CN204180011U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model provides 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; Electric conductor and diode is had in left box component, middle box component and right box component, left box portion left inferior horn has briquetting, and the angle of briquetting and left box body two side is 135 °, and briquetting has protective sleeve, the exit of negative pole cable passes in the middle of briquetting and protective sleeve, and is connected with electric conductor; There is briquetting in the lower right corner of 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.This terminal box adopts split-type structural, three box components with the use of, shorten cable length, reduce the internal resistance in transmission loop; Cable lead-out end is adopted inclined design, is applicable to the installation of various assembly, prevents cable from spraining; Cable lead-out end arranges protective sleeve, plays the effect of protection cable further.

Description

The split type photovoltaic junction box of tape cable operator guards
Technical field
The utility model 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.
Utility model content
The technical problems to be solved in the utility model 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 scheme that the utility model adopts 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 described in the utility model 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 the utility model tape cable operator guards;
Fig. 2 is the structural representation of the left box component of the utility model;
Fig. 3 is the structural representation of box component in the utility model;
Fig. 4 is the structural representation of the right box component of the utility model.
Embodiment
In order to more clearly understand the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
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 utility model 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 embodiment of the present utility model; be not limitation of the utility model; those skilled in the art is not when departing from the utility model Technology design principle, and the change utilizing above-mentioned technology contents to do or modification all should be considered as belonging to protection range of the present utility model.

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.
CN201420683361.6U 2014-11-15 2014-11-15 The split type photovoltaic junction box of tape cable operator guards Expired - Fee Related CN204180011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420683361.6U CN204180011U (en) 2014-11-15 2014-11-15 The split type photovoltaic junction box of tape cable operator guards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420683361.6U CN204180011U (en) 2014-11-15 2014-11-15 The split type photovoltaic junction box of tape cable operator guards

Publications (1)

Publication Number Publication Date
CN204180011U true CN204180011U (en) 2015-02-25

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104362972A (en) * 2014-11-15 2015-02-18 信息产业部电子第四十研究所华成高新技术公司 Split type photovoltaic terminal box with cable protection structure
CN104901622A (en) * 2015-05-28 2015-09-09 常熟市冠日新材料有限公司 Junction box for solar photovoltaic assembly
CN105932958A (en) * 2016-06-25 2016-09-07 苏州同泰新能源科技有限公司 Split type photovoltaic junction box with bypass modules
CN108599716A (en) * 2018-06-26 2018-09-28 浙江晶科能源有限公司 A kind of photovoltaic junction box

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104362972A (en) * 2014-11-15 2015-02-18 信息产业部电子第四十研究所华成高新技术公司 Split type photovoltaic terminal box with cable protection structure
CN104901622A (en) * 2015-05-28 2015-09-09 常熟市冠日新材料有限公司 Junction box for solar photovoltaic assembly
WO2016188080A1 (en) * 2015-05-28 2016-12-01 常熟市冠日新材料有限公司 Junction box for solar photovoltaic assembly
CN105932958A (en) * 2016-06-25 2016-09-07 苏州同泰新能源科技有限公司 Split type photovoltaic junction box with bypass modules
CN108599716A (en) * 2018-06-26 2018-09-28 浙江晶科能源有限公司 A kind of photovoltaic junction box

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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: 20150225

Termination date: 20181115