CN205231830U - Series battery's photovoltaic charging circuit - Google Patents
Series battery's photovoltaic charging circuit Download PDFInfo
- Publication number
- CN205231830U CN205231830U CN201521058879.1U CN201521058879U CN205231830U CN 205231830 U CN205231830 U CN 205231830U CN 201521058879 U CN201521058879 U CN 201521058879U CN 205231830 U CN205231830 U CN 205231830U
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- China
- Prior art keywords
- group
- battery
- series
- series battery
- solar
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a series battery's photovoltaic charging circuit, include the series battery who forms by the multisection battery, series battery charges through solar PV cells, series battery divide into the A group and the B group of series connection, the solar PV cells both ends are connected with branch road change over switch respectively, two branch roads of branch road change over switch are do not connected to A group and B component. The utility model discloses divide into series battery the A group and B group of series connection, make solar PV cells once only charge reduction charging voltage threshold value to wherein half battery to expand effective charge time section, improve the using value in the electric motor car, the pulsed is charged, for the battery provides chemical reaction's buffer time, improves charge efficiency to more than 95 percent.
Description
Technical field
The utility model relates to charging circuit field, is specifically related to a kind of photovoltaic charged circuit of series battery.
Background technology
Electric motor car with convenient, speed is moderate, can the advantage such as load-carrying, low price, environmental protection obtain promoting at a high speed, battery is the biggest factor of its distance travelled of restriction; Solar-energy photo-voltaic cell system is a kind of new energy resources system converted solar energy into electrical energy, and its power output is directly proportional to the area of solar panel, the small volume of electric motor car, limits installable solar panel area; Current electric motor car adopts the 48V series battery of 4 joint 12V storage battery compositions mostly, in the time period that the illumination such as morning and evening, wet weather are more weak, the output voltage of solar-energy photo-voltaic cell system cannot reach charging threshold value, be difficult to effectively charge to the series battery of electric motor car, and the efficiency of the sufficient trickle charge of illumination is below 75%, therefore current solar-energy photo-voltaic cell system is applied in the using value on the series battery charge of electric motor car low.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of photovoltaic charged circuit of series battery, solar-energy photo-voltaic cell system output voltage when illumination is not enough can be solved cannot reach charging threshold value and effectively charge to series battery, when illumination is sufficient, the efficiency of trickle charge is low, causes the problem that the using value in electric motor car is low.
The utility model is achieved through the following technical solutions:
A kind of photovoltaic charged circuit of series battery, comprise the series battery be made up of multiple batteries, described series battery is charged by solar-energy photo-voltaic cell, described series battery is divided into A group and the B group of series connection, described solar-energy photo-voltaic cell two ends are connected to branch road diverter switch, and described A group and B component are not connected two branch roads of branch road diverter switch.
Further scheme of the present utility model is, described A group two ends are parallel with the branch road be composed in series by diode D1 and electric capacity C1, described B group two ends are parallel with the branch road be composed in series by diode D2 and electric capacity C2, described diode D1 is connected the positive pole of A group, B group respectively with the positive pole of diode D2, and described diode D1 and diode D2 two ends are parallel with resistance R1 and resistance R2 respectively.
Further scheme of the present utility model is that described solar-energy photo-voltaic cell is also parallel with storage capacitor C0.
Further scheme of the present utility model is, described A group is identical with the battery number of B group.
Further scheme of the present utility model is, described series battery is that load R0 powers.
The utility model advantage is compared with prior art:
One, series battery is divided into A group and the B group of series connection, solar-energy photo-voltaic cell is once only charged to a half-cell wherein, reduces charging voltage threshold value, thus extremely efficient charging interval section, improve the using value in electric motor car;
Two, pulse charging, for battery provides the buffer time of chemical reaction, is increased to more than 95% by charge efficiency;
Three, when A group is in charged state, solar-energy photo-voltaic cell charges to the electric capacity C1 of A group parallel connection simultaneously, when switching is charged to B group, diode D1 oppositely ends, make electric capacity C1 and resistance R1 form series arm and be parallel to A group two ends, electric capacity C1 carries out small area analysis to A group and maintains charging, and capacity and the life-span of battery are without prejudice;
Four, in handoff procedure, solar-energy photo-voltaic cell charges to storage capacitor C1 separately, within the short time switched, storage capacitor C1 and solar-energy photo-voltaic cell discharge jointly, formed and reduce gradually and the spike charging current waveform tended towards stability, improve charge efficiency, can also the energy storage when series battery is full of electricity, prevent series battery overcharge from affecting useful life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Structural representation when Fig. 2 is A Battery pack of the present utility model charging.
Structural representation when Fig. 3 is B Battery pack of the present utility model charging.
Fig. 4 is A group or B Battery pack charging current oscillogram.
Embodiment
The photovoltaic charged circuit of a kind of series battery as shown in Fig. 1 ~ 3, comprise the series battery of powering for load R0 be made up of multiple batteries, described series battery is charged by solar-energy photo-voltaic cell, the A group that described series battery is divided into the joint number of series connection identical and B group, described A group two ends are parallel with the branch road be composed in series by diode D1 and electric capacity C1, described B group two ends are parallel with the branch road be composed in series by diode D2 and electric capacity C2, described diode D1 is connected A group respectively with the positive pole of diode D2, the positive pole of B group, described diode D1 and diode D2 two ends are parallel with resistance R1 and resistance R2 respectively, described solar-energy photo-voltaic cell two ends are connected to branch road diverter switch, described A group and B component are not connected two branch roads of branch road diverter switch, described solar-energy photo-voltaic cell is also parallel with storage capacitor C0.
As shown in Figure 4, when switching to A group and charging, its charging current waveform is 0 ~ t1 time period, in short time, spike charging current I point is decreased to stable charging current I gradually and fills, the time of advent is when putting t1, switch to B group charge until time point t2, during this, electric capacity C1 for A group provide small area analysis I tie up to maintain charging.
Claims (5)
1. the photovoltaic charged circuit of a series battery, comprise the series battery be made up of multiple batteries, described series battery is charged by solar-energy photo-voltaic cell, it is characterized in that: described series battery is divided into A group and the B group of series connection, described solar-energy photo-voltaic cell two ends are connected to branch road diverter switch, and described A group and B component are not connected two branch roads of branch road diverter switch.
2. the photovoltaic charged circuit of a kind of series battery as claimed in claim 1, it is characterized in that: described A group two ends are parallel with the branch road be composed in series by diode D1 and electric capacity C1, described B group two ends are parallel with the branch road be composed in series by diode D2 and electric capacity C2, described diode D1 is connected the positive pole of A group, B group respectively with the positive pole of diode D2, and described diode D1 and diode D2 two ends are parallel with resistance R1 and resistance R2 respectively.
3. the photovoltaic charged circuit of a kind of series battery as claimed in claim 1, is characterized in that: described solar-energy photo-voltaic cell is also parallel with storage capacitor C0.
4. the photovoltaic charged circuit of a kind of series battery as claimed in claim 1, is characterized in that: described A group is identical with the battery number of B group.
5. the photovoltaic charged circuit of a kind of series battery as claimed in claim 1, is characterized in that: described series battery is that load R0 powers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058879.1U CN205231830U (en) | 2015-12-18 | 2015-12-18 | Series battery's photovoltaic charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058879.1U CN205231830U (en) | 2015-12-18 | 2015-12-18 | Series battery's photovoltaic charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205231830U true CN205231830U (en) | 2016-05-11 |
Family
ID=55906875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521058879.1U Expired - Fee Related CN205231830U (en) | 2015-12-18 | 2015-12-18 | Series battery's photovoltaic charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205231830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406578A (en) * | 2015-12-18 | 2016-03-16 | 泗阳蓝阳托盘设备科技有限公司 | Photovoltaic charging circuit of series battery stack |
-
2015
- 2015-12-18 CN CN201521058879.1U patent/CN205231830U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406578A (en) * | 2015-12-18 | 2016-03-16 | 泗阳蓝阳托盘设备科技有限公司 | Photovoltaic charging circuit of series battery stack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160511 Termination date: 20161218 |