CN202931013U - Intelligent charger of electric automobile storage battery - Google Patents
Intelligent charger of electric automobile storage battery Download PDFInfo
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- CN202931013U CN202931013U CN 201220632074 CN201220632074U CN202931013U CN 202931013 U CN202931013 U CN 202931013U CN 201220632074 CN201220632074 CN 201220632074 CN 201220632074 U CN201220632074 U CN 201220632074U CN 202931013 U CN202931013 U CN 202931013U
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Abstract
The utility model discloses an intelligent charger of an electric automobile storage battery relating to the storage battery charging technology field. The intelligent charger comprises an EMC filter circuit, a rectifier filter circuit, a high frequency switch power supply circuit, a CPU control circuit, a display and input circuit, and a lead acid battery inlet end. By using the intelligent charger, the fast charging of the electric mobile can be facilitated, the battery can be protected, the service lifetime of the storage battery can be prolonged, the driving distance of the electric automobile can be prolonged, and the promotion as well as the application of the electric automobile can be facilitated.
Description
Technical field
The utility model relates to the charging technique field of storage battery.
Background technology
Along with a large amount of uses of electric automobile, charging, the maintenance issues of the lead acid accumulator that electric automobile is used also display day by day.Traditional charging device otherwise at a slow speed the charging interval oversize, or quick charge is too large to cell damage.Because this has greatly limited the long journey mileage of electric automobile, also greatly limited promoting the use of of electric automobile.
Summary of the invention
The utility model purpose is to propose a kind of intelligent charging machine that overcomes the accumulator of electric car of prior art deficiency.
the utility model comprises the EMC filter circuit, current rectifying and wave filtering circuit, hf switching power supply, cpu control circuit, show and input circuit, the lead acid accumulator incoming end, the EMC filter circuit is provided with the 220V ac power input end, the input of current rectifying and wave filtering circuit is connected on the output of EMC filter circuit, the input of hf switching power supply is connected on the output of current rectifying and wave filtering circuit, the lead acid accumulator incoming end is connected to the output of hf switching power supply by control switch, between described hf switching power supply and lead acid accumulator incoming end, voltage sample circuit and current sampling circuit are set, the output of described voltage sample circuit and current sampling circuit is connected to the input of a feedback loop, the output of described feedback loop is connected to the control end of hf switching power supply, described cpu control circuit comprises voltage reference circuit and current reference circuit, the output of cpu control circuit is connected to the control end of described control switch, described cpu control circuit also is connected with input circuit with demonstration, the output of described cpu control circuit also is connected with hf switching power supply, output at current rectifying and wave filtering circuit also arranges the auxiliary power circuit that complete machine is controlled, testing circuit provides working power.
After civil power 220V entered charger, through EMC filter circuit (electromagnetic compatibility circuit, electromagnetism conduction and the radiation of anti-outside electromagnetic interference and this charger), alternating current formed high voltage direct current through the rectifying and wave-filtering rectification again.
High voltage direct current is transformed to low-voltage DC through hf switching power supply, and completes buffer action.Switching Power Supply work whether, output voltage, electric current control by cpu control circuit, can work in constant current or constant voltage working method, realizes the charge function to battery.
After start, accessory power supply work provides working power to the machine, and whether cpu control circuit detects has battery to enter, and as nothing, high frequency switch power is not worked; If any, enter the Charge Management pattern.
Detect battery voltage by voltage sample circuit, enter the corresponding charging stage according to electric weight: 1) battery for a long time need not, or discharge is too of a specified duration, enters pre-charging stage, after battery recovery, then enters successively first to five-stage; 2) enter respectively first to the phase III according to battery remaining power, after completing this phased mission, enter next stage.
After charging was completed, charger entered the floating charge mode of operation.
The utility model facilitates the quick charge of electric automobile, is beneficial to the protection to battery, can extend the useful life of storage battery, is more conducive to the prolongation of the stroke that travels of electric automobile, is conducive to promoting the use of of electric automobile.
Connect discharge circuit at described lead acid accumulator incoming end, the output of described cpu control circuit is connected with the control end of described discharge circuit.
The control that cpu control circuit also discharges opportunity to lead acid accumulator, the current sampling resistor sampling discharging current of discharge loop compares with the discharging current that arranges, then controls the conducting degree of triode, realizes the constant-current discharge function.
Description of drawings
Fig. 1 is a kind of schematic block circuit diagram of the present utility model.
Fig. 2 is that lead acid accumulator discharge circuit operation principle of the present utility model is as figure.
Embodiment
As shown in Figure 1, the utility model comprises EMC filter circuit 1, current rectifying and wave filtering circuit 2, hf switching power supply 3, cpu control circuit 4, demonstration and input circuit 10, lead acid accumulator incoming end C and D, and EMC filter circuit 1 is provided with 220V ac power input end A and B.
The input of current rectifying and wave filtering circuit 2 is connected on the output of EMC filter circuit 1, the input of hf switching power supply 3 is connected on the output of current rectifying and wave filtering circuit 2, lead acid accumulator incoming end C and D are connected to the output of hf switching power supply 3 by control switch K, voltage sample circuit 8 and current sampling circuit 6 are set between hf switching power supply 3 and lead acid accumulator incoming end C and D.
The output of voltage sample circuit 5 and current sampling circuit 6 is connected to the input of a feedback loop 7, the output of feedback loop 7 is connected to the control end of hf switching power supply 3, cpu control circuit 4 comprises voltage reference circuit 41 and current reference circuit 42, and the output of cpu control circuit 4 is connected to the control end of control switch K.
Cpu control circuit 4 also is connected with input circuit with demonstration and is connected, and the output of cpu control circuit 4 also is connected with hf switching power supply 3.
Output at current rectifying and wave filtering circuit 2 also can be connected with auxiliary power circuit 9, and auxiliary power circuit 9 is for complete machine is controlled, testing circuit provides working power.
Also be connected with discharge circuit 8 on lead acid accumulator incoming end C and D, the output of cpu control circuit 4 is connected with the control end of discharge circuit 8.
The utility model discharge circuit operation principle as shown in Figure 2, the control that cpu control circuit 4 also discharges opportunity to lead acid accumulator, the current sampling resistor sampling discharging current of discharge loop 8 compares with the discharging current that arranges, control again the conducting degree of triode, realize the constant-current discharge function.
Claims (2)
1. the intelligent charging machine of accumulator of electric car, it is characterized in that comprising the EMC filter circuit, current rectifying and wave filtering circuit, hf switching power supply, cpu control circuit, show and input circuit, the lead acid accumulator incoming end, the EMC filter circuit is provided with the 220V ac power input end, the input of current rectifying and wave filtering circuit is connected on the output of EMC filter circuit, the input of hf switching power supply is connected on the output of current rectifying and wave filtering circuit, the lead acid accumulator incoming end is connected to the output of hf switching power supply by control switch, between described hf switching power supply and lead acid accumulator incoming end, voltage sample circuit and current sampling circuit are set, the output of described voltage sample circuit and current sampling circuit is connected to the input of a feedback loop, the output of described feedback loop is connected to the control end of hf switching power supply, described cpu control circuit comprises voltage reference circuit and current reference circuit, the output of cpu control circuit is connected to the control end of described control switch, described cpu control circuit also is connected with input circuit with demonstration, the output of described cpu control circuit also is connected with hf switching power supply, output at current rectifying and wave filtering circuit also is set to the auxiliary power circuit that complete machine is controlled, testing circuit provides working power.
2. the intelligent charging machine of accumulator of electric car according to claim 1, is characterized in that connecting discharge circuit on described lead acid accumulator incoming end, and the output of described cpu control circuit is connected with the control end of described discharge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632074 CN202931013U (en) | 2012-11-27 | 2012-11-27 | Intelligent charger of electric automobile storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632074 CN202931013U (en) | 2012-11-27 | 2012-11-27 | Intelligent charger of electric automobile storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931013U true CN202931013U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632074 Expired - Lifetime CN202931013U (en) | 2012-11-27 | 2012-11-27 | Intelligent charger of electric automobile storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931013U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944246A (en) * | 2014-04-28 | 2014-07-23 | 青岛大学 | System and method for rapidly charging energy-feedback type lead-acid battery |
| CN103997108A (en) * | 2014-04-18 | 2014-08-20 | 河南速达电动汽车科技有限公司 | Electric automobile lead acid battery charger |
| CN104052105A (en) * | 2014-04-18 | 2014-09-17 | 河南速达电动汽车科技有限公司 | Rapid charging system for lithium battery of electric vehicle |
| CN104682529A (en) * | 2015-03-13 | 2015-06-03 | 李成祥 | Charger automatically adaptive to lead-acid battery pack voltage |
| CN108128178A (en) * | 2017-09-05 | 2018-06-08 | 上海电巴新能源科技有限公司 | Charge container |
| WO2024169543A1 (en) * | 2023-02-15 | 2024-08-22 | 深圳市道通科技股份有限公司 | Battery discharge circuit, circuit control method, and battery discharge apparatus |
-
2012
- 2012-11-27 CN CN 201220632074 patent/CN202931013U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997108A (en) * | 2014-04-18 | 2014-08-20 | 河南速达电动汽车科技有限公司 | Electric automobile lead acid battery charger |
| CN104052105A (en) * | 2014-04-18 | 2014-09-17 | 河南速达电动汽车科技有限公司 | Rapid charging system for lithium battery of electric vehicle |
| CN103944246A (en) * | 2014-04-28 | 2014-07-23 | 青岛大学 | System and method for rapidly charging energy-feedback type lead-acid battery |
| CN104682529A (en) * | 2015-03-13 | 2015-06-03 | 李成祥 | Charger automatically adaptive to lead-acid battery pack voltage |
| CN108128178A (en) * | 2017-09-05 | 2018-06-08 | 上海电巴新能源科技有限公司 | Charge container |
| WO2024169543A1 (en) * | 2023-02-15 | 2024-08-22 | 深圳市道通科技股份有限公司 | Battery discharge circuit, circuit control method, and battery discharge apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai little housekeeping appliance industry Co.,Ltd. Finance Document name: Notification of Approving Refund |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI CHAMBERLAIN ELECTRIC APPLIANCE INDUSTRY C Free format text: FORMER OWNER: YUAN LIULU Effective date: 20150417 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 225009 YANGZHOU, JIANGSU PROVINCE TO: 200001 HUANGPU, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150417 Address after: 200001, room 103, room 126, C West Road, Shanghai, Huangpu District, Beijing Patentee after: SHANGHAI CHAMBERLAIN APPLIANCE INDUSTRY CO.,LTD. Address before: 225009, 13, Xiao Guan Qiao Road, Weiyang Industrial Park, Hanjiang District, Jiangsu, Yangzhou Patentee before: Yuan Liulu |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |