CN201518320U - Solar cell external electrode connecting device - Google Patents

Solar cell external electrode connecting device Download PDF

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Publication number
CN201518320U
CN201518320U CN2009202053402U CN200920205340U CN201518320U CN 201518320 U CN201518320 U CN 201518320U CN 2009202053402 U CN2009202053402 U CN 2009202053402U CN 200920205340 U CN200920205340 U CN 200920205340U CN 201518320 U CN201518320 U CN 201518320U
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CN
China
Prior art keywords
solar cell
external electrode
binding post
line
connecting device
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 - Lifetime
Application number
CN2009202053402U
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Chinese (zh)
Inventor
李毅
张同宾
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Shenzhen Trony Technology Development Co Ltd
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Shenzhen Trony Technology Development Co Ltd
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Priority to CN2009202053402U priority Critical patent/CN201518320U/en
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Publication of CN201518320U publication Critical patent/CN201518320U/en
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
    • 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

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  • Photovoltaic Devices (AREA)

Abstract

The utility model relates to a solar cell external electrode connecting device, in particular to an external electrode connecting device for a solar cell array. The device comprises an electrode bus-bar of a solar cell array and a binding post, and is characterized in that an anti-counter diode for preventing current to reversely flow is arranged in the binding post, the main wire and the branch wire of the electrode bus-bar are pressed in the binding post, have excellent electric contact, and are led out of a positive electrode and a negative electrode of a solar cell after combining. The external electrode connecting device has the positive effects that the structure is simple, the anti-counter diode is connected with the external electrode connecting device for effectively preventing current of the branch wire to reversely flow to the solar cell, the anti-counter diode is not need to be arranged in each solar cell of a photovoltaic array, thereby saving the cost and reducing the voltage loss, the operation is simple, and the external electrode connecting device can be installed fast in fields, and is suitable for scale and standard production and application.

Description

Solar cell external electrode termination
Technical field
The utility model relates to a kind of termination of drawing the solar cell external electrode, particularly a kind of external electrode termination that is used for solar battery array.
Background technology
At present, solar cell external electrode termination has two kinds: the one, and the positive and negative electrode of solar cell is connected to the header box (see figure 7) by snap joint, confluxes the termination installation cost height of this employing header box in header box inside, the wiring complexity is not easy to on-the-spot the installation.The 2nd, (see figure 8) that the positive and negative electrode of solar cell is connected to by snap joint and coupling head is confluxed, this termination contact is numerous and diverse, is unfavorable for Fast Installation.
Chinese patent ZL200510034904.7 discloses a kind of photoelectric template that is used for photoelectric curtain-wall glass, pass through electrode adaptor, the electrode of photoelectric subassembly is coupled together, as playing with building blocks, finish electrode connection in the photoelectric template, can realize standardized production, but the external electrode of photoelectric template needs still to adopt cable or wire to connect.Chinese patent ZL03203920.4 discloses a kind of crosslinked polyetylene insulated branch cable, be backbone cable to be connected conducting with branch cable by branch joint, this cable is used in area of solar cell, can not directly prevent that by cable the electric current adverse current of other branch lines is to solar cell, the counnter attack diode must all be set on each solar cell, the cost height, and can increase the loss of voltage, reduce generated output.
The utility model content
The purpose of this utility model be the design a kind of simple in structure, cost is low; collection counnter attack diode and external electrode lead to one; be fit to the solar cell external electrode termination of scale, standardized production, be used for being connected in parallel between the outdoor solar battery array.
In order to realize above purpose, the technical solution adopted in the utility model is: a kind of solar cell external electrode termination, the electrode converging line and the binding post that comprise solar battery array, it is characterized in that being provided with in the said binding post counnter attack diode that prevents the electric current adverse current, the main line of said electrode converging line and branch line are crimped in the binding post, have good electrical contact, after confluxing, draw the positive and negative electrode of solar cell.
Said binding post, its cross section is T-shape, is to be connected to form by two semicircle contact tubes.
The main line of electrode converging line is crimped in the semicircle contact tube of horizontal direction of T-shape binding post, and branch line is crimped in the semicircle contact tube of vertical direction of T-shape binding post.
Counnter attack diode in the binding post is connected between the main line and branch line of electrode converging line.
The outside of binding post is provided with the sheath of inside and outside two-layer insulation, waterproof and antiultraviolet, and wherein inner sheath is to be made by polyethylene, and oversheath is to be made by polyvinyl chloride.Snap joint can be adopted waterproof snap joint.
Conflux and to be provided with compartment on the branch line.
Good effect of the present utility model is: solar cell external electrode termination is simple in structure; counnter attack diode and external electrode termination are designed to one; the electric current adverse current that can effectively prevent branch line is to solar cell; play the purpose of protection solar module; therefore need each solar cell in solar battery array counnter attack be set all and fills diode; thereby provide cost savings, reduced the loss of voltage.The utility model is easy and simple to handle, only need dock the interior electrode outlet line of solar cell and external electrode termination of the present utility model simply get final product, can realize fast installation at the scene, further saves cost, is fit to scale, standardized production application.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the cutaway view of Fig. 1 middle connecting terminal 1.
Fig. 3 is a connection diagram of the present utility model.
Fig. 4 confluxes to have the structural representation of compartment on the branch line.
Fig. 5 is the schematic diagram of embodiment one.
Fig. 6 is the schematic diagram of embodiment two.
Fig. 7 is the termination schematic diagram of prior art.
Fig. 8 is the termination schematic diagram of another kind of prior art.
See Fig. 1 to Fig. 8, binding post 1, counnter attack diode 1-1, lead 1-2, the junction 1-2-1 of conflux branch line and binding post, the junction 1-2-2 of conflux main line and binding post, inner sheath 1-3, oversheath 1-4, the branch line 2 of electrode converging line (also claiming sub-line or branch line or the branch line that confluxes), the main line 3 of electrode converging line (also claiming bus or main line or the main line that confluxes), compartment 4, solar cell 5, header box 6, and coupling head 7, snap joint 9.
Describe structure of the present utility model in detail below in conjunction with accompanying drawing. See Fig. 1, the utility model is designed to one with counnter attack diode and external electrode connecting device. The solar cell external electrode connecting device is T-shape, comprises counnter attack diode 1-1, lead 1-2, inner sheath 1-3 and oversheath 1-4, the branch line 2 that confluxes, snap joint 9, and main line 3 confluxes. Connect a counnter attack diode 1-1 between two lead 1-2 and consist of the T-shape binding post, and by this T-shape binding post conflux branch line 2 and bus rod 3 are linked into an integrated entity, the main line of bus bar is crimped in the semicircle contact tube of horizontal direction on T-shape binding post top, and branch line is crimped in the semicircle contact tube of vertical direction of T-shape binding post bottom. And the end of conflux branch line 2 and bus rod 3 is provided with snap joint, in order to be connected with the interior electrode outlet line of solar cell, can realize at the scene fast installation, is fit to scale, standardized production application. The T-shape binding post can adopt the mode of punching press to make formation, after connecting a counnter attack diode 1-1 between two lead 1-2, one deck inner sheath 1-3 is set in the outside of T-shape binding post, at outer setting one deck oversheath 1-4 of inner sheath 1-3, can play good antiultraviolet and insulation, waterproof effect again.
The electric current of solar module realizes that through this bus bar the battery component in the solar battery array is connected in parallel, and electric current is collected on the bus, is connected to photovoltaic DC-to-AC converter or controller. The utility model solar cell external electrode connecting device has very strong insulation, waterproof and uvioresistant effect, can directly be used in the outdoor environment.
Embodiment
Embodiment one:
See Fig. 5, the positive and negative electrode of solar cell 5 is drawn by binding post 1 parallel connection, is connected on the control appliance of photovoltaic system, for load provides electric energy.Solar cell 5 is that power is the non-crystal silicon solar cell of 50W, operating voltage 38V, and operating current 1.2A (under the standard test condition), after the parallel connection, final output current 3.6A, output voltage 38V.
Embodiment two:
See Fig. 6,5 series connection of two non-crystal silicon solar cells are formed solar module, again solar module is carried out parallel connection, form solar battery array.The positive and negative interior electrode of solar battery array is connected with binding post 1 by snap joint 9, and the external electrode of solar battery array is drawn in parallel connection, is connected on the control appliance of photovoltaic system, for load provides electric energy.The power of every non-crystal silicon solar cell is 50W, operating voltage 38V, and operating current 1.2A (under the standard test condition), after the parallel connection, final output current 3.6A, output voltage 75V.Because the cover line is provided with counnter attack diode 1-1 on the external electrode termination of solar battery array, so need on each solar cell, not add counnter attack diode 1-1 again, provide cost savings, reduced the loss of voltage.Present embodiment can reduce the 1V loss of voltage, makes power ascension 3.6W.The solar module quantity of connecting in the solar battery array is many more, and it is remarkable more that the good effect of external electrode is drawn in the parallel connection of employing the utility model external electrode termination, thereby improves the generated output of solar battery array by a larger margin.
The above is the part embodiment of technical solutions of the utility model only, is not to be used to limit protection range of the present utility model.Within every spirit of the present utility model and the principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (6)

1. solar cell external electrode termination, the electrode converging line and the binding post (1) that comprise solar battery array, it is characterized in that being provided with in the said binding post (1) the counnter attack diode (1-1) that prevents the electric current adverse current, main line of said electrode converging line (3) and branch line (2) are crimped in the binding post (1), have good electrical contact, after confluxing, draw the positive and negative electrode of solar cell (5).
2. solar cell external electrode termination according to claim 1 is characterized in that said binding post (1), and its cross section is T-shape, is to be connected to form by two semicircle contact tubes.
3. solar cell external electrode termination according to claim 2, the main line (3) that it is characterized in that said electrode converging line is crimped in the semicircle contact tube of horizontal direction of T-shape binding post (1), and branch line (2) is crimped in the semicircle contact tube of vertical direction of T-shape binding post (1).
4. solar cell external electrode termination according to claim 1 is characterized in that the counnter attack diode in the said binding post (1) is connected between the main line (3) and branch line (2) of electrode converging line.
5. solar cell external electrode termination according to claim 1 is characterized in that said binding post (1), its outside be provided with inside and outside two-layer insulation, waterproof and antiultraviolet sheath (1-3,1-4).
6. solar cell external electrode termination according to claim 1 is characterized in that the branch line (2) of said electrode converging line is provided with compartment (4).
CN2009202053402U 2009-09-28 2009-09-28 Solar cell external electrode connecting device Expired - Lifetime CN201518320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202053402U CN201518320U (en) 2009-09-28 2009-09-28 Solar cell external electrode connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202053402U CN201518320U (en) 2009-09-28 2009-09-28 Solar cell external electrode connecting device

Publications (1)

Publication Number Publication Date
CN201518320U true CN201518320U (en) 2010-06-30

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CN2009202053402U Expired - Lifetime CN201518320U (en) 2009-09-28 2009-09-28 Solar cell external electrode connecting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110364841A (en) * 2019-08-27 2019-10-22 广东电网有限责任公司 A kind of wire connecting clip
US12015375B2 (en) 2014-09-09 2024-06-18 Shoals Technologies Group, Llc Lead assembly for connecting solar panel arrays to inverter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12015375B2 (en) 2014-09-09 2024-06-18 Shoals Technologies Group, Llc Lead assembly for connecting solar panel arrays to inverter
US12015376B2 (en) 2014-09-09 2024-06-18 Shoals Technologies Group, Llc Lead assembly for connecting solar panel arrays to inverter
CN110364841A (en) * 2019-08-27 2019-10-22 广东电网有限责任公司 A kind of wire connecting clip
CN110364841B (en) * 2019-08-27 2024-05-10 广东电网有限责任公司 Wiring clamp

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GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20100630

CX01 Expiry of patent term