CN101383526B - Fast charger of electric car accumulator - Google Patents
Fast charger of electric car accumulator Download PDFInfo
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- CN101383526B CN101383526B CN2007100457182A CN200710045718A CN101383526B CN 101383526 B CN101383526 B CN 101383526B CN 2007100457182 A CN2007100457182 A CN 2007100457182A CN 200710045718 A CN200710045718 A CN 200710045718A CN 101383526 B CN101383526 B CN 101383526B
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- circuit
- storage battery
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a rapid charger of a storage battery of an electric vehicle, which comprises a switching power circuit and a charge mode control circuit, wherein the charge mode control circuit comprises a storage battery charge control circuit, a storage battery discharge control circuit, a storage battery threshold judgment and control circuit, and a charge-discharge isolation circuit. The invention uses the switching power circuit for conducting the charging of relatively strong current to the storage battery, uses the storage battery charge control circuit for carrying out intelligent control to the charge mode, and realizes the functions of not only rapid charging but also no battery damage; and the performance is stable and reliable. The invention also plays a certain repair role to the old battery and can appropriately extend the service life of the storage battery. The invention is mainly used for the charging of various storage batteries of the electric vehicle and can also be for the charging of the storage batteries with other purposes.
Description
Technical field
The present invention relates to a kind of charger, particularly relate to a kind of quick charger of electromobile battery.
Background technology
Replenishing of the energy of employed lead acid accumulator still is the big obstacle that the restriction lead acid accumulator further uses in the current electric motor car.If lead acid accumulator charging current in charging process is excessive, be easy to make the overheated dehydration of lead acid accumulator and damaged is damaged even.Traditional charging modes all adopts the charging modes of little electric current for fear of the overheated dehydration of lead acid accumulator in charging process and damaged or damage, and its cost is must pay very long long time lead acid accumulator is charged.
Summary of the invention
The object of the invention mainly is will solve the lead acid accumulator quick charge and lead acid accumulator is not overheated, and energy can be replenished fast.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: a kind of quick charger is provided, and is to adopt electronic circuit.It comprises switching power circuit and charge mode control circuit.Wherein charge mode control circuit comprises: storage battery charge control circuit, battery discharging control circuit, storage battery threshold decision and control circuit and discharge and recharge buffer circuit.
Like above-mentioned structure, after the charger start of the present invention, control circuit carries out threshold decision; Storage battery to not reaching threshold value carries out quick charge, in quick charge, comprises large current charge; Charging stops (sending signal by control circuit, control switching stops charging), and battery discharging (is sent signal by control circuit; Big electric current short time discharge), discharge stops (sending signal by control circuit, stop discharge); Control circuit carries out threshold decision to storage battery again, and the storage battery that does not reach threshold value carries out large current charge once more, and this program circulates; When the threshold decision to storage battery reaches predetermined value,, make charger change the trickle charge state over to and finish until charging through control circuit control switching circuit.
As above-mentioned, the present invention's difference and traditional (plumbic acid) battery charger not merely are the processes of a simple charging; But charging stops charging, discharge; Stop discharge; The process that sampling is judged can realize the lead acid accumulator quick charge through this process, and overheated function does not take place in lead acid accumulator.
Description of drawings
Fig. 1 is the structural representation of charger one embodiment of the present invention.
Embodiment
Further specify the architectural feature of charger of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, charger of the present invention comprises: switching power circuit and charge mode control circuit.In the present embodiment, switching power circuit adopts semi-bridge switching voltage regulator circuit (being the switching regulator constant voltage supply), and it comprises electromagnetic interface filter, power conversion circuit, drive circuit and feedback circuit (in Fig. 1, not showing).In the present embodiment, described storage battery is a lead acid accumulator.
As shown in Figure 1, it comprises described charge mode control circuit:
Storage battery charge control circuit (being pulsed); It comprises: the microprocessor U3 that contains A/D converter; Diode in series D12, resistance R 15 and diode in series D13, resistance R 16, U3 is connected with switching power circuit through D13, the R16 of D12, R15 and the series connection of series connection; Thereby the charging control signal that U3 sends is controlled the charging to storage battery through the D13 of D12, R15 and the series connection of series connection, the output of R16 control switching circuit;
The battery discharging control circuit, it comprises above-mentioned U3, switching tube Q5, switch drive pipe Q6, and biasing resistor R35～R37, and discharge load R33; The discharge signal that is sent by U3 drives through Q6, and control discharge switch Q5 realizes battery discharging is controlled;
Storage battery threshold decision and control circuit, it comprises diode D18 and the diode D14 that is connected with above-mentioned U3, and as R45, R46, the R49 of the sampling divider resistance of threshold decision; After the signal of sampling is through sampling divider resistance dividing potential drop, send among the U3, convert voltage analog signal to digital signal, the reference signal that provides with the D18 judgment threshold of comparing through the A/D converter in the U3; U3 realizes that through the D14 control switching control charger changes the trickle charge state over to;
Discharge and recharge buffer circuit and comprise diode D15, realize the isolation of switching power circuit and storage battery through this D15.
Described U3 is the common microprocessor chip that contains A/D converter.As in the present embodiment, U3 is that model is PIC16F716, and specification is the microprocessor chip of 8 bit flash memories, has the performance of programmable I/O port, for U.S. Microchip Technology Inc makes.
Comprise in the described U3: charge → stop and charging → discharge → control program of the charging process that stops to discharge → charge.
B1 representes crystal among Fig. 1, for U3 provides clock frequency.
Like above-mentioned structure, charger of the present invention is by its above-mentioned charging process of the control of the control program in the microprocessor U3; After the start, at first, the threshold value of (plumbic acid) storage battery is detected; If when not reaching threshold value; Get into the charging stage fast by D13, the R16 control switching circuit of D12, R15 and series connection of the U3 in the storage battery charge control circuit through series connection, otherwise, send signal by U3 and realize making charger to change the trickle charge state over to through D14 control switching circuit; In the quick charge stage, comprise large current charge; Charging stops (sending signal by U3, realize through D12, R15 control switching circuit); Big electric current short time discharge; Discharge stops, (send signal by U3, the Q5 that controls as discharge switch through Q6, R35, R36, the drive circuit of R37 formation realizes); R33 is a discharge load.When the detection to the storage battery threshold value reaches predetermined value, send signal by U3 and realize making charger to change the trickle charge state over to through D14 control switching circuit, finish until charging.
Claims (5)
1. the quick charger of an electromobile battery comprises switching power circuit, it is characterized in that: comprise charge mode control circuit, described charge mode control circuit comprises:
Storage battery charge control circuit, it comprises: contain the microprocessor U3 of A/D converter, diode in series D12, resistance R 15 and diode in series D13, resistance R 16; Thereby the charging control signal that U3 sends is controlled the charging to storage battery through the D13 of D12, R15 and the series connection of series connection, the output of R16 control switching circuit;
The battery discharging control circuit, it comprises above-mentioned U3, switching tube Q5, switch drive pipe Q6, biasing resistor R35～R37 and discharge load R33; The discharge signal that is sent by U3 drives through Q6, and control discharge switch Q5 realizes battery discharging is controlled;
Storage battery threshold decision and control circuit, it comprises diode D18 and the diode D14 that is connected with above-mentioned U3, as sampling divider resistance R45, R46, the R49 of threshold decision; After the signal of sampling is through sampling divider resistance dividing potential drop, send among the U3, convert voltage analog signal to digital signal, the reference signal that provides with the D18 judgment threshold of comparing through the A/D converter in the U3; U3 realizes that through D14 control switching circuit the control charger changes the trickle charge state over to;
Discharge and recharge buffer circuit, comprise diode D15, realize the isolation of switching power circuit and storage battery through this D15.
2. the quick charger of electromobile battery as claimed in claim 1, it is characterized in that: described switching power circuit is the semi-bridge switching voltage regulator circuit.
3. the quick charger of electromobile battery as claimed in claim 1, it is characterized in that: described U3 is common microprocessor chip.
4. the quick charger of electromobile battery as claimed in claim 1, it is characterized in that: the circuit that is included in the demonstration battery condition in said storage battery threshold decision and the control circuit comprises resistance R 48, resistance R 50, the diode D21 that is connected in the series connection on the U3.
5. the quick charger of electromobile battery as claimed in claim 1 is characterized in that: comprise in the described U3: charge → stop and charging → discharge → control program of the charging process that stops to discharge → charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100457182A CN101383526B (en) | 2007-09-07 | 2007-09-07 | Fast charger of electric car accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100457182A CN101383526B (en) | 2007-09-07 | 2007-09-07 | Fast charger of electric car accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101383526A CN101383526A (en) | 2009-03-11 |
| CN101383526B true CN101383526B (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100457182A Active CN101383526B (en) | 2007-09-07 | 2007-09-07 | Fast charger of electric car accumulator |
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| Country | Link |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656425B (en) * | 2009-06-23 | 2011-07-20 | 南京师范大学 | Electromobile storage battery remote charging device |
| CN102496986A (en) * | 2011-12-10 | 2012-06-13 | 常州永旭车辆配件厂 | Charger for electric bicycle |
| EP2850717B1 (en) * | 2012-05-15 | 2023-05-03 | Otis Elevator Company | Elevator backup power supply |
| CN107507373B (en) * | 2017-08-28 | 2020-01-03 | 福建新大陆支付技术有限公司 | Intelligent POS machine charging acceleration method based on Android system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198743A (en) * | 1990-12-11 | 1993-03-30 | Span, Inc. | Battery charger with microprocessor control |
| CN2257103Y (en) * | 1995-10-13 | 1997-06-25 | 中南工学院 | Intelligent switch power type quick charger |
| US5801514A (en) * | 1994-09-01 | 1998-09-01 | Fujitsu Limited | Charging-and-discharging control device, a battery pack, and an electronic apparatus with improved charge and discarge control |
| CN1829040A (en) * | 2006-01-26 | 2006-09-06 | 上海申传电气有限公司 | Switch power supply type accumulator charging device |
| CN201142579Y (en) * | 2007-09-07 | 2008-10-29 | 浙江嘉科电子有限公司 | Fast charger of electric car accumulator |
-
2007
- 2007-09-07 CN CN2007100457182A patent/CN101383526B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198743A (en) * | 1990-12-11 | 1993-03-30 | Span, Inc. | Battery charger with microprocessor control |
| US5801514A (en) * | 1994-09-01 | 1998-09-01 | Fujitsu Limited | Charging-and-discharging control device, a battery pack, and an electronic apparatus with improved charge and discarge control |
| CN2257103Y (en) * | 1995-10-13 | 1997-06-25 | 中南工学院 | Intelligent switch power type quick charger |
| CN1829040A (en) * | 2006-01-26 | 2006-09-06 | 上海申传电气有限公司 | Switch power supply type accumulator charging device |
| CN201142579Y (en) * | 2007-09-07 | 2008-10-29 | 浙江嘉科电子有限公司 | Fast charger of electric car accumulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101383526A (en) | 2009-03-11 |
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Address after: 314001 Factory 1, Taoyuan Road, Gao Zhao street, Xiuzhou District, Jiaxing, Zhejiang, 1 Patentee after: Jiake Electronics Co., Ltd., Zhejiang Address before: 314001 1369 Chengnan Road, Jiaxing, Zhejiang Patentee before: Jiake Electronics Co., Ltd., Zhejiang |