CN202759648U - Boost constant current solar energy LED street lamp controller - Google Patents

Boost constant current solar energy LED street lamp controller Download PDF

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Publication number
CN202759648U
CN202759648U CN 201220423742 CN201220423742U CN202759648U CN 202759648 U CN202759648 U CN 202759648U CN 201220423742 CN201220423742 CN 201220423742 CN 201220423742 U CN201220423742 U CN 201220423742U CN 202759648 U CN202759648 U CN 202759648U
Authority
CN
China
Prior art keywords
circuit
street lamp
constant current
led street
input
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
CN 201220423742
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Chinese (zh)
Inventor
顾扣宏
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.)
Yangzhou Frida Scenery New Energy Technology Co., Ltd.
Original Assignee
Yangzhou Qiaoheng Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangzhou Qiaoheng Electronics Co Ltd filed Critical Yangzhou Qiaoheng Electronics Co Ltd
Priority to CN 201220423742 priority Critical patent/CN202759648U/en
Application granted granted Critical
Publication of CN202759648U publication Critical patent/CN202759648U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention relates to a boost constant current solar energy LED street lamp controller, which relates to the solar energy generating technical field. The boost constant current solar energy LED street lamp controller comprises a master control circuit, a solar cell panel voltage sampling circuit, a charging control circuit, a tandem type anti-reverse charging circuit, a storage battery voltage sampling circuit, a boost circuit, a constant current control circuit, a load current sampling circuit, a solar cell panel power transmission access end, a storage battery storage access end and a LED load access end. The tandem type anti-reverse charging circuit charges the storage battery, the whole system charging efficiency is enhanced by 5-10%, the built-in boost circuit is used for constant current power supply to a load LED street lamp, the individual constant current source configured for the LED street lamp is not required for the clients, and the configuration cost of the system is reduced.

Description

Voltage increase and current constant solar LED street lamp controller
Technical field
The utility model relates to the solar energy generation technology field.
Background technology
Along with the exploitation of green energy resource, people have worked out solar energy generation technology, design the charge controller that takes full advantage of solar energy, the power storage that solar panel is formed in direct-flow storage battery, by controller to load supplying.
There is following defective in prior art:
1, the conventional charger charge efficiency is low, and the charging circuit own loss is large.
2, conventional charger provides a fixing direct voltage can only for the LED street lamp, and the LED street lamp needs constant-current source of autogamy to work, and luminous efficiency is low.
Summary of the invention
The utility model purpose is to propose a kind of voltage increase and current constant solar LED street lamp controller that can overcome the existing product defective.
The utility model comprises governor circuit, solar cell panel voltages sample circuit, charging control circuit, tandem anti-reverse charging circuit, battery tension sample circuit, booster circuit, constant-current control circuit, load current sample circuit, solar panel transmission of electricity incoming end, the storage battery electric power storage picks out end and the LED load picks out end; The two ends of solar cell panel voltages sample circuit are connected on the input of solar panel transmission of electricity incoming end and governor circuit, the input of tandem anti-reverse charging circuit is connected on the solar panel transmission of electricity incoming end, the output of governor circuit is connected to the input of tandem anti-reverse charging circuit by charging control circuit, and the output of tandem anti-reverse charging circuit is connected to the storage battery electric power storage and picks out on the end; The two ends of battery tension sample circuit are connected to the storage battery electric power storage and pick out on end and the input of governor circuit, the input of booster circuit is connected to the storage battery electric power storage and picks out on the end, the signal controlling output of governor circuit is connected to the signal input part of booster circuit, and the output of booster circuit picks out end by constant-current control circuit and LED load and is connected; The output of load current sample circuit is connected to the input of governor circuit, and the signal output part of governor circuit is connected on the signal input part of constant-current control circuit.
Operation principle of the present utility model is:
1, the direct current that sends of solar panel is detected the height of this direct voltage through solar cell panel voltages sample circuit input governor circuit by governor circuit.The voltage of storage battery is also through delivering to governor circuit behind the battery tension sample circuit simultaneously.Governor circuit determines whether storage battery is charged, take which kind of mode to charge according to the height of both voltages, and when battery tension above charge closing behind the over-charge protective voltage.
2, the direct current that sends of solar panel charges to storage battery through tandem anti-reverse charging circuit, and the line pressure in the charging process falls and only has about 0.1V, falls far below the line pressure about the 1V of single anti-reverse charging diode.
3, for the LED road lamp system of 12V storage battery, at present the connected mode of the LED street lamp of market has the connect mode of some groups of parallel connections of 3 LED lamp that is not more than usually, or greater than the connect mode of some groups of parallel connections of 3 LED lamp pearls, for the series connection below 3, its operating voltage generally is not more than 10V, usually adopts the voltage-dropping type constant current output to meet the demands.And for the mode of 4 above lamp pearls series connection, its operating voltage is generally all greater than 13V, have in addition reach 56V, traditional mode is to be its separately voltage increase and current constant source of configuration, this can increase engineering merchant's cost undoubtedly.It is load LED street lamp constant current-supplying that the utility model adopts the mode in built-in voltage increase and current constant source, and can accurately control current precision in 3%.By booster circuit, thereby the method that changes the PWM duty ratio changes output voltage change output current, realizes constant current function.Governor circuit can also carry out light-operated, time control function to load by inner setting, also can set according to the different periods the corresponding operating current of LED street lamp.
Characteristics explanation of the present utility model:
1, the utility model tandem anti-reverse charging circuit makes the whole system charge efficiency improve 5~10% to charge in batteries.
2, the built-in booster circuit of the utility model utilization is load LED street lamp constant current-supplying, and it is the independent constant-current source of LED street lamp configuration again that the client does not need, and has reduced the deployment cost of system.
Description of drawings
Fig. 1 is operation principle block diagram of the present utility model.
Embodiment
Be this controller in the dotted line frame among Fig. 1.
As shown in Figure 1, the two ends of solar cell panel voltages sample circuit 4 are connected on the input of the transmission of electricity incoming end 10 of solar panel 1 and governor circuit 9.
The input of tandem anti-reverse charging circuit 5 is connected on the solar panel transmission of electricity incoming end 10, the output of governor circuit 9 is connected to the input of tandem anti-reverse charging circuit 5 by charging control circuit 6, and the electric power storage that the output of tandem anti-reverse charging circuit 5 is connected to storage battery 2 picks out on the end 11.
The two ends of battery tension sample circuit 7 are connected to the storage battery electric power storage and pick out on end 11 and the input of governor circuit 9.The input of booster circuit 13 is connected to the storage battery electric power storage and picks out on the end 11, the signal controlling output of governor circuit 9 is connected to the signal input part of booster circuit 13, and the output of booster circuit 13 is connected with the end 12 that picks out of LED load 3 by constant-current control circuit 8.
The output of load current sample circuit 14 is connected to the input of governor circuit 9, and the signal output part of governor circuit 9 is connected on the signal input part of constant-current control circuit 8.

Claims (1)

1. voltage increase and current constant solar LED street lamp controller is characterized in that: comprise governor circuit, solar cell panel voltages sample circuit, charging control circuit, tandem anti-reverse charging circuit, battery tension sample circuit, booster circuit, constant-current control circuit, load current sample circuit, solar panel transmission of electricity incoming end, the storage battery electric power storage picks out end and the LED load picks out end;
The two ends of solar cell panel voltages sample circuit are connected on the input of solar panel transmission of electricity incoming end and governor circuit, the input of tandem anti-reverse charging circuit is connected on the solar panel transmission of electricity incoming end, the output of governor circuit is connected to the input of tandem anti-reverse charging circuit by charging control circuit, and the output of tandem anti-reverse charging circuit is connected to the storage battery electric power storage and picks out on the end;
The two ends of battery tension sample circuit are connected to the storage battery electric power storage and pick out on end and the input of governor circuit, the input of booster circuit is connected to the storage battery electric power storage and picks out on the end, the signal controlling output of governor circuit is connected to the signal input part of booster circuit, and the output of booster circuit picks out end by constant-current control circuit and LED load and is connected;
The output of load current sample circuit is connected to the input of governor circuit, and the signal output part of governor circuit is connected on the signal input part of constant-current control circuit.
CN 201220423742 2012-08-24 2012-08-24 Boost constant current solar energy LED street lamp controller Expired - Fee Related CN202759648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220423742 CN202759648U (en) 2012-08-24 2012-08-24 Boost constant current solar energy LED street lamp controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220423742 CN202759648U (en) 2012-08-24 2012-08-24 Boost constant current solar energy LED street lamp controller

Publications (1)

Publication Number Publication Date
CN202759648U true CN202759648U (en) 2013-02-27

Family

ID=47738804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220423742 Expired - Fee Related CN202759648U (en) 2012-08-24 2012-08-24 Boost constant current solar energy LED street lamp controller

Country Status (1)

Country Link
CN (1) CN202759648U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333064A (en) * 2014-10-29 2015-02-04 江苏东润光伏科技有限公司 Single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving
CN107660040A (en) * 2017-09-26 2018-02-02 汉川市鑫达新能源科技有限公司 Solar street light and control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333064A (en) * 2014-10-29 2015-02-04 江苏东润光伏科技有限公司 Single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving
CN107660040A (en) * 2017-09-26 2018-02-02 汉川市鑫达新能源科技有限公司 Solar street light and control method
CN107660040B (en) * 2017-09-26 2019-05-14 汉川市鑫达新能源科技有限公司 Solar street light and control method

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: YANGZHOU FULIDA SCENERY NEW ENERGY TECHNOLOGY CO.,

Free format text: FORMER OWNER: YANGZHOU QIAOHENG ELECTRONICS CO., LTD.

Effective date: 20130225

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 225012 YANGZHOU, JIANGSU PROVINCE TO: 225127 YANGZHOU, JIANGSU PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20130225

Address after: 225127 No. 217 West Development Road, Jiangsu, Yangzhou

Patentee after: Yangzhou Frida Scenery New Energy Technology Co., Ltd.

Address before: 225012, No. 159 Hanjiang Road, Yangzhou Development Zone, Jiangsu province (opposite Cambridge garden)

Patentee before: Yangzhou Qiaoheng Electronics Co., Ltd.

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: 20130227

Termination date: 20160824