CN103633174A - Efficient concentrating photovoltaic photoelectric conversion receiver with protection function - Google Patents

Efficient concentrating photovoltaic photoelectric conversion receiver with protection function Download PDF

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Publication number
CN103633174A
CN103633174A CN201310540426.1A CN201310540426A CN103633174A CN 103633174 A CN103633174 A CN 103633174A CN 201310540426 A CN201310540426 A CN 201310540426A CN 103633174 A CN103633174 A CN 103633174A
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CN
China
Prior art keywords
circuit
negative electrode
photoelectric conversion
cathode
conversion receiver
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.)
Pending
Application number
CN201310540426.1A
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Chinese (zh)
Inventor
王永向
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Chengdu Juhe Technology Co Ltd
Original Assignee
Chengdu Juhe Technology Co Ltd
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Filing date
Publication date
Application filed by Chengdu Juhe Technology Co Ltd filed Critical Chengdu Juhe Technology Co Ltd
Priority to CN201310540426.1A priority Critical patent/CN103633174A/en
Publication of CN103633174A publication Critical patent/CN103633174A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L31/00Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02Details
    • H01L31/02002Arrangements for conducting electric current to or from the device in operations
    • H01L31/02005Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
    • H01L31/02008Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
    • H01L31/02013Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules comprising output lead wires elements
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L31/00Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02Details
    • H01L31/02016Circuit arrangements of general character for the devices
    • H01L31/02019Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02021Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L31/00Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • H01L31/0504Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
    • 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 invention relates to an efficient concentrating photovoltaic photoelectric conversion receiver with a protection function. The receiver comprises a circuit substrate, an etch trench, metal welding band lines, a circuit cathode, a cathode connecting area, a circuit anode, an anode connecting area, concentrating photovoltaic cell cathode segment arrays, a concentrating photovoltaic cell chip, small circular blind hole arrays and diode arrays, wherein the concentrating photovoltaic cell chip, the small circular blind hole arrays and the diode arrays are welded on the circuit substrate; the circuit substrate is partitioned into the circuit anode and the circuit cathode by the etch trench; the circuit anode and the circuit cathode are provided with the corresponding circuit anode connecting area and the corresponding circuit cathode connecting area respectively; the metal welding band lines are used for directly communicating the concentrating photovoltaic cell cathode segment arrays with the circuit cathode. According to the receiver, high current generated by the concentrating photovoltaic cell chip can be connected to the circuit substrate through the metal welding band lines; due to the arrangement of the concentrating photovoltaic cell cathode segment arrays, the irradiation area of sunlight is increased correspondingly, and the conversion efficiency of a system is increased; the metal welding band lines are welded on a cathode at one end face of the concentrating photovoltaic cell chip, so that the number of band lines welded on the cathode of the concentrating photovoltaic cell chip is reduced.

Description

A kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function
Technical field
The present invention relates to a kind of photovoltaic generation parts, be specifically related to a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function, belong to solar energy generation technology field.
Background technology
Condensation photovoltaic photoelectric conversion receiver is the core component in light gathering photovoltaic power generating system, for the transform light energy directly lens being converged, is electric energy.The multiple of lens is larger, and the quantity of the condensation photovoltaic battery chip using in unit are is just fewer, and the cost of corresponding light gathering photovoltaic power generating system will be fewer, so the multiple of present lens is also done larger and larger, even over thousand times.Continuous increase along with lens multiple, the electric current producing on corresponding condensation photovoltaic photoelectric conversion receiver is also just increasing, and existing condensation photovoltaic photoelectric conversion receiver can not meet the electric current demand that luminous energy after 500 times of above lens converge produces electric energy; ; Many area coverages of same condensation photovoltaic battery chip top electrode have also greatly reduced the area of solar light irradiation, thereby affect the conversion efficiency of concentration photovoltaic system; In addition at processing condensation photovoltaic photoelectric conversion receiver product, particularly on the negative electrode of condensation photovoltaic battery chip in the process of weld metal band line, the number of weld metal band line is more, the probability that condensation photovoltaic battery chip is damaged is just larger, will strengthen like this condensation photovoltaic photoelectric conversion receiver processing fraction defective; Simultaneously, because being covered, part sunlight cause one of them or several condensation photovoltaic photoelectric conversion receiver not to have normal operation or certain condensation photovoltaic photoelectric conversion receiver to break down, can cause the electricity that on whole series circuit, other condensation photovoltaic photoelectric conversion receivers produce tandem to enter conducting out, thereby make the minimizing of overall electric energy.
Summary of the invention
The object of this invention is to provide a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function, this assembly is to overcome the deficiencies in the prior art.
In order to realize above-mentioned technical purpose, the technical scheme that the present invention takes is: a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function, it is characterized in that, it comprises circuit substrate, etching tank, metal welding tape splicing line, circuit negative electrode, negative electrode bonding pad, circuit positive electrode, positive electrode bonding pad, condensation photovoltaic battery negative electrode section array, condensation photovoltaic battery chip, roundlet blind hole array and diode array, on circuit substrate, be welded with condensation photovoltaic battery chip, roundlet blind hole array and diode array; The circuit substrate groove that is corroded is divided into circuit positive electrode and circuit negative electrode, is respectively equipped with corresponding positive electrode bonding pad and negative electrode bonding pad on circuit positive electrode and circuit negative electrode; Metal welding tape splicing line is directly communicated with condensation photovoltaic battery negative electrode section array and circuit negative electrode.
Described circuit substrate is a kind of in alumina ceramic-base copper-clad plate, alumina ceramic plate, al nitride ceramic board, LED ceramic substrate, alundum (Al2O3) ceramic substrate, high heat-conducting ceramic substrate and ceramic base copper-clad plate.
Described metal welding tape splicing line is a kind of in pure aluminum wire, aluminium alloy wire and gold thread.
Described negative electrode bonding pad and positive electrode bonding pad are can welding zone.
Described diode array is the array that bypass diode forms.
Described bypass diode is arranged between the circuit anode and circuit negative pole on circuit substrate.
Advantage of the present invention and good effect are: 1. the large electric current that metal welding tape splicing line can produce condensation photovoltaic battery chip is linked on circuit substrate; 2. arranging of condensation photovoltaic battery negative electrode section array, has correspondingly increased solar light irradiation area, thereby has improved the conversion efficiency of system; 3. weld metal welding band line on the negative electrode of condensation photovoltaic battery chip one end face, so just reduces the quantity with line of welding on the negative electrode of condensation photovoltaic battery chip, has greatly improved the yield of this product; 4., when bypass diode can make that certain condensation photovoltaic photoelectric conversion receiver is not worked on this series circuit, also the electricity that on this series circuit, other condensation photovoltaic photoelectric conversion receivers produce out can be formed to current circuit by the bypass diode conducting on this idle condensation photovoltaic photoelectric conversion receiver.
Accompanying drawing explanation
Fig. 1 is a kind of high efficiency condensing photovoltaic photoelectric conversion receiver schematic diagram with defencive function.
Wherein: 1, circuit substrate, 2, etching tank, 3, metal welding tape splicing line, 4, circuit negative electrode, 5, negative electrode bonding pad, 6, circuit positive electrode, 7, positive electrode bonding pad, 8, condensation photovoltaic battery negative electrode section array, 9, condensation photovoltaic battery chip, 10, roundlet blind hole array, 11, diode array.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function; as shown in Figure 1; on circuit substrate 1, be welded with condensation photovoltaic battery chip 9; roundlet blind hole array 10 and diode array 11; circuit substrate 1 groove 2 that is corroded is divided into circuit positive electrode 6 and circuit negative electrode 4; on circuit positive electrode 6 and circuit negative electrode 4, be respectively equipped with corresponding positive electrode bonding pad 7 and negative electrode bonding pad 5, metal welding tape splicing line 3 is directly communicated with condensation photovoltaic battery negative electrode section array 8 and circuit negative electrode 4.Each of metal welding tape splicing line 3 can be born the electric current of 20 amperes, many strip metal welding just can be born larger electric current with line 3, when line 3 is with in processing metal welding, due to the minimizing of welding quantity, just can greatly improve the production yield of this product simultaneously.
In order to prevent from not working because of certain condensation photovoltaic photoelectric conversion receiver, also the electricity that on this series circuit, other condensation photovoltaic photoelectric conversion receivers produce out can be formed to current circuit by the bypass diode conducting in the diode array on this idle condensation photovoltaic photoelectric conversion receiver.
Arranging of condensation photovoltaic battery negative electrode section array 8 increased the light-receiving area of condensation photovoltaic battery chip relatively, thereby increased photoelectric conversion efficiency.
In order to prevent high temperature to each layer of generation deformation on circuit substrate 1 or to come off, at circuit substrate 1, many roundlet blind hole arrays 10 have been designed around.
In patent of the present invention, as becoming row embodiment, the quantity of metal welding tape splicing line is more than four, positive electrode bonding pad and negative electrode bonding pad be welding lead directly, or in this region, weld wiring draw-in groove etc., roundlet blind hole array can be also square blind hole array, and the number of diode array can be 2 above (electric current producing according to each condensation photovoltaic photoelectric conversion receiver and the flow-resistant capacity of each diode determine).Therefore the scope that the scope of the present invention limits with claims is as the criterion.

Claims (6)

1. the high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function, it is characterized in that, it comprises circuit substrate, etching tank, metal welding tape splicing line, circuit negative electrode, negative electrode bonding pad, circuit positive electrode, positive electrode bonding pad, condensation photovoltaic battery negative electrode section array, condensation photovoltaic battery chip, roundlet blind hole array and diode array, on circuit substrate, be welded with condensation photovoltaic battery chip, roundlet blind hole array and diode array; The circuit substrate groove that is corroded is divided into circuit positive electrode and circuit negative electrode, is respectively equipped with corresponding positive electrode bonding pad and negative electrode bonding pad on circuit positive electrode and circuit negative electrode; Metal welding tape splicing line is directly communicated with condensation photovoltaic battery negative electrode section array and circuit negative electrode.
2. a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function according to claim 1, is characterized in that described circuit substrate is a kind of in alumina ceramic-base copper-clad plate, alumina ceramic plate, al nitride ceramic board, LED ceramic substrate, alundum (Al2O3) ceramic substrate, high heat-conducting ceramic substrate and ceramic base copper-clad plate.
3. a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function according to claim 1, is characterized in that described metal welding tape splicing line is a kind of in pure aluminum wire, aluminium alloy wire and gold thread.
4. a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function according to claim 1, is characterized in that described negative electrode bonding pad and positive electrode bonding pad are for can welding zone.
5. a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function according to claim 1, is characterized in that described diode array is the array that bypass diode forms.
6. according to a kind of high efficiency condensing photovoltaic photoelectric conversion receiver with defencive function described in claim 1 and 5, it is characterized in that described bypass diode is arranged between the circuit anode and circuit negative pole on circuit substrate.
CN201310540426.1A 2013-11-05 2013-11-05 Efficient concentrating photovoltaic photoelectric conversion receiver with protection function Pending CN103633174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310540426.1A CN103633174A (en) 2013-11-05 2013-11-05 Efficient concentrating photovoltaic photoelectric conversion receiver with protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310540426.1A CN103633174A (en) 2013-11-05 2013-11-05 Efficient concentrating photovoltaic photoelectric conversion receiver with protection function

Publications (1)

Publication Number Publication Date
CN103633174A true CN103633174A (en) 2014-03-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104377266A (en) * 2014-10-10 2015-02-25 昆山诃德新能源科技有限公司 Efficient concentrating solar receiver with current protection function
CN104377267A (en) * 2014-10-09 2015-02-25 昆山诃德新能源科技有限公司 Efficient concentration solar cell
CN105355713A (en) * 2015-11-06 2016-02-24 成都聚合科技有限公司 Large-current-resistant concentrating photovoltaic chip binding method
CN105374699A (en) * 2015-10-24 2016-03-02 成都聚合科技有限公司 High-efficient concentrating photovoltaic chip binding method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201829511U (en) * 2010-09-15 2011-05-11 天津蓝天太阳科技有限公司 Solar cell unit
CN102637779A (en) * 2012-05-12 2012-08-15 成都聚合科技有限公司 Method for positioning accuracy of concentrating photovoltaic cell sheet electrode wire
CN202587593U (en) * 2012-06-02 2012-12-05 成都聚合科技有限公司 Heavy current resistant optically focused photovoltaic photoelectric conversion receiver ceramic circuit board
CN203608446U (en) * 2013-11-05 2014-05-21 成都聚合科技有限公司 Large-current concentrating photovoltaic photoelectric conversion receiver with protection function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201829511U (en) * 2010-09-15 2011-05-11 天津蓝天太阳科技有限公司 Solar cell unit
CN102637779A (en) * 2012-05-12 2012-08-15 成都聚合科技有限公司 Method for positioning accuracy of concentrating photovoltaic cell sheet electrode wire
CN202587593U (en) * 2012-06-02 2012-12-05 成都聚合科技有限公司 Heavy current resistant optically focused photovoltaic photoelectric conversion receiver ceramic circuit board
CN203608446U (en) * 2013-11-05 2014-05-21 成都聚合科技有限公司 Large-current concentrating photovoltaic photoelectric conversion receiver with protection function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104377267A (en) * 2014-10-09 2015-02-25 昆山诃德新能源科技有限公司 Efficient concentration solar cell
CN104377266A (en) * 2014-10-10 2015-02-25 昆山诃德新能源科技有限公司 Efficient concentrating solar receiver with current protection function
CN105374699A (en) * 2015-10-24 2016-03-02 成都聚合科技有限公司 High-efficient concentrating photovoltaic chip binding method
CN105355713A (en) * 2015-11-06 2016-02-24 成都聚合科技有限公司 Large-current-resistant concentrating photovoltaic chip binding method

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Application publication date: 20140312