CN203014409U - Automatic charging system for electric automobile storage battery - Google Patents
Automatic charging system for electric automobile storage battery Download PDFInfo
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- CN203014409U CN203014409U CN 201220610966 CN201220610966U CN203014409U CN 203014409 U CN203014409 U CN 203014409U CN 201220610966 CN201220610966 CN 201220610966 CN 201220610966 U CN201220610966 U CN 201220610966U CN 203014409 U CN203014409 U CN 203014409U
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Abstract
The utility model discloses an automatic charging system for an electric automobile storage battery, which comprises a central processing unit, a voltage detection module, an ignition switch, a voltage conversion module and a switch module, wherein an input end of the switch module is connected with a positive electrode of a power battery of an electric automobile, an output end of the switch module is connected with an input end of the voltage conversion module, a control end of the switch module is connected with the central processing unit, an output end of the voltage conversion module is connected with a positive electrode of the storage battery of the electric automobile, a negative electrode of the storage battery is grounded, two ends of a detection end of the voltage detection module are connected with the positive electrode of the storage battery and a ground wire respectively, and the central processing unit is connected with the ignition switch and the voltage detection module. The automatic charging system disclosed by the utility model monitors the electricity quantity of the storage battery of the electric automobile under a dormant state, and automatically charges the storage battery when the electricity quantity is insufficient, thereby preventing the electric automobile from not being started normally because the storage battery lacks electricity.
Description
Technical field
The utility model relates to a kind of battery charging system, relates in particular to a kind of accumulator of electric car automatic charging system.
Background technology
Electronic equipment on electric automobile is more, causes the car load quiescent current larger.If electric automobile is longer down time, storage battery may produce power shortage because power consumption is too fast, cause electric automobile normally to start.
China Patent Publication No. CN2872708, open day on February 21st, 2007, the name of utility model is called accumulator controller of automobile, this application case discloses a kind of accumulator controller of automobile, it is comprised of total control module, main mold filling piece and equal mold filling piece, and the total control module that is used for control Charge Management process is connected with for the main mold filling piece that whole group storage battery is charged with for the equal mold filling piece to each charge in batteries.Its weak point is that this device charges for the storage battery that is in the electric automobile under resting state.
The utility model content
The purpose of this utility model is that to overcome electric automobile longer down time, storage battery may produce because power consumption is too fast power shortage, the technical problem that causes electric automobile normally to start, a kind of accumulator of electric car automatic charging system is provided, its monitoring is in the accumulator electric-quantity of the electric automobile of resting state, automatically it is charged when the storage battery quantity not sufficient, prevent that electric automobile from can't normally start because of discharged or defective battery.
In order to address the above problem, the utility model is achieved by the following technical solutions:
a kind of accumulator of electric car automatic charging system of the present utility model, comprise CPU, voltage detection module, ignition switch, voltage transformation module and switch module, the input of described switch module is connected with the power battery anode of electric automobile, the output of switch module is connected with the input of voltage transformation module, the control end of switch module is connected with CPU, the output of described voltage transformation module is connected with the battery positive voltage of electric automobile, battery terminal negative ground connection, the two ends, test side of described voltage detection module are connected with ground wire with battery positive voltage respectively, described CPU is connected with voltage detection module with ignition switch respectively.
In the technical program, when ignition switch is positioned at the ON shelves, the normal operation of the entire car controller of electric automobile, the charging of storage battery is by vehicle control unit controls.When ignition switch was got to the OFF shelves, CPU received the signal that ignition switch sends, and the starting resistor detection module is worked, and detected the voltage at storage battery two ends.
During lower than lower limit (being discharged or defective battery), the conducting of central processing unit controls switch module is charged to storage battery after the high voltage step-down of voltage transformation module with electrokinetic cell output when battery tension.When battery tension surpassed higher limit (being that storage battery is full of electricity), the central processing unit controls switch module disconnected, and storage battery stops charging.Automatic charging by to the storage battery of electric weight deficiency prevents that electric automobile from can't normally start because of discharged or defective battery.
As preferably, described a kind of accumulator of electric car automatic charging system also comprises the BMS battery management system of management electrokinetic cell in electric automobile, and the BMS battery management system is connected with CPU.During lower than lower limit (being discharged or defective battery), CPU starts the work of BMS battery management system when battery tension, and the BMS battery management system sends to CPU with the electrokinetic cell information about power.If the electrokinetic cell electric weight surpasses limit value, the conducting of central processing unit controls switch module; If the electrokinetic cell electric weight is less than limit value, the central processing unit controls switch module disconnects.
As preferably, described switch module is relay, the coil two ends of described relay are connected with ground wire with CPU respectively, and normally opened contact one end of described relay is connected with power battery anode, and the normally opened contact other end is connected with the input of voltage transformation module.
As preferably, described CPU is single-chip microcomputer.
As preferably, described voltage transformation module is the DC/DC transducer.
The beneficial effects of the utility model are: the accumulator electric-quantity that monitoring is in the electric automobile of resting state, automatically it is charged when the storage battery quantity not sufficient, and prevent that electric automobile from can't normally start because of discharged or defective battery.
Description of drawings
Fig. 1 is that a kind of circuit theory of the present utility model connects block diagram.
In figure: 1, CPU, 2, the BMS battery management system, 3, voltage detection module, 4, ignition switch, 5, voltage transformation module, 6, switch module, 7, electrokinetic cell, 8, storage battery.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
embodiment: a kind of accumulator of electric car automatic charging system of the present embodiment, as shown in Figure 1, comprise CPU 1, voltage detection module 3, ignition switch 4, voltage transformation module 5, the BMS battery management system 2 of management electrokinetic cell 7 in switch module 6 and electric automobile, switch module 6 is relay, the coil two ends of relay are connected with ground wire with the output of CPU 1 respectively, normally opened contact one end of relay is connected with electrokinetic cell 7 is anodal, the normally opened contact other end is connected with the input of voltage transformation module 5, the output of voltage transformation module 5 is connected with storage battery 8 is anodal, storage battery 8 minus earths, the two ends, test side of voltage detection module 3 are connected with ground wire with storage battery 8 is anodal respectively, CPU 1 respectively with ignition switch 4, BMS battery management system 2 is connected with voltage detection module 3, CPU 1 is single-chip microcomputer, voltage transformation module 5 is the DC/DC transducer.
When ignition switch 4 is positioned at the ON shelves, the normal operation of the entire car controller of electric automobile, the charging of storage battery 8 is by vehicle control unit controls.When ignition switch 4 was got to the OFF shelves, CPU 1 received the signal that ignition switch 4 sends, and after CPU 1 postpones a period of time, starting resistor detection module 3 is worked, and detects the voltage at storage battery 8 two ends.
During lower than lower limit (being storage battery 8 power shortages), CPU 1 starts 2 work of BMS battery management system when storage battery 8 voltages, and BMS battery management system 2 sends to CPU 1 with electrokinetic cell 7 information about power.If electrokinetic cell 7 electric weight surpass limit value, CPU 1 is given the coil electricity of relay, and the normally opened contact of relay is closed, after the high voltage step-down of voltage transformation module 5 with electrokinetic cell 7 outputs, storage battery 8 is charged; If electrokinetic cell 7 electric weight are less than limit value, CPU 1 is given the coil blackout of relay, and the normally opened contact of relay disconnects, and storage battery 8 stops charging.
When storage battery 8 voltages surpassed higher limit (being that storage battery 8 is full of electricity), CPU 1 was given the coil blackout of relay, and the normally opened contact of relay disconnects, and storage battery 8 stops charging.The utility model monitoring is in storage battery 8 electric weight of the electric automobile of resting state, automatically it is charged when storage battery 8 electric weight are not enough, prevents that electric automobile from can't normally start because of storage battery 8 power shortages.
Claims (5)
1. accumulator of electric car automatic charging system, it is characterized in that: comprise CPU (1), voltage detection module (3), ignition switch (4), voltage transformation module (5) and switch module (6), the input of described switch module (6) is connected with the electrokinetic cell (7) of electric automobile is anodal, the output of switch module (6) is connected with the input of voltage transformation module (5), the control end of switch module (6) is connected with CPU (1), the output of described voltage transformation module (5) is connected with the storage battery (8) of electric automobile is anodal, storage battery (8) minus earth, the two ends, test side of described voltage detection module (3) are connected with ground wire with storage battery (8) is anodal respectively, described CPU (1) is connected with voltage detection module (3) with ignition switch (4) respectively.
2. a kind of accumulator of electric car automatic charging system according to claim 1, it is characterized in that: also comprise the BMS battery management system (2) of management electrokinetic cell (7) in electric automobile, BMS battery management system (2) is connected with CPU (1).
3. a kind of accumulator of electric car automatic charging system according to claim 1, it is characterized in that: described switch module (6) is relay, the coil two ends of described relay are connected with ground wire with CPU (1) respectively, normally opened contact one end of described relay is connected with electrokinetic cell (7) is anodal, and the normally opened contact other end is connected with the input of voltage transformation module (5).
4. according to claim 1 and 2 or 3 described a kind of accumulator of electric car automatic charging systems is characterized in that: described CPU (1) is single-chip microcomputer.
5. according to claim 1 and 2 or 3 described a kind of accumulator of electric car automatic charging systems, it is characterized in that: described voltage transformation module (5) is the DC/DC transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610966 CN203014409U (en) | 2012-11-16 | 2012-11-16 | Automatic charging system for electric automobile storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610966 CN203014409U (en) | 2012-11-16 | 2012-11-16 | Automatic charging system for electric automobile storage battery |
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| CN203014409U true CN203014409U (en) | 2013-06-19 |
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| CN 201220610966 Expired - Lifetime CN203014409U (en) | 2012-11-16 | 2012-11-16 | Automatic charging system for electric automobile storage battery |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472339A (en) * | 2013-09-22 | 2013-12-25 | 重庆长安汽车股份有限公司 | Full vehicle electricity deficiency automatic monitoring method used in manufacturing process |
| CN104827921A (en) * | 2014-12-04 | 2015-08-12 | 北汽福田汽车股份有限公司 | Startup control method and startup control system of electric vehicle, and electric vehicle having same |
| CN104843112A (en) * | 2013-06-28 | 2015-08-19 | 庄景阳 | Intelligent control friction electrical storage device of bicycle |
| CN105490343A (en) * | 2016-01-05 | 2016-04-13 | 台州台鹰电动汽车有限公司 | Intelligent maintaining system and maintaining method for storage battery |
| CN105720653A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Electric automobile, DC/DC converter and control system thereof |
| CN105720655A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Electric automobile, DC/DC converter and control system thereof |
| CN106114232A (en) * | 2016-09-14 | 2016-11-16 | 成都雅骏新能源汽车科技股份有限公司 | A kind of automobile storage battery preventing electric loss intelligence system |
| CN106849308A (en) * | 2017-04-07 | 2017-06-13 | 深圳市瀚路新能源汽车有限公司 | Auxiliary charging device and system |
| CN107600064A (en) * | 2016-07-12 | 2018-01-19 | 贵航青年莲花汽车有限公司 | A kind of high-low pressure energy management method of whole car controller of hybrid electric car |
| CN107878212A (en) * | 2017-10-31 | 2018-04-06 | 吉利汽车研究院（宁波）有限公司 | A kind of automobile storage battery preventing electric loss guard method and system |
| CN108177548A (en) * | 2018-01-18 | 2018-06-19 | 苏州超云新能源有限公司 | Accumulator of electric car power shortage self-charging system, charging method and electric vehicle |
| CN109720202A (en) * | 2018-12-04 | 2019-05-07 | 国能新能源汽车有限责任公司 | A kind of emergency start circuit when the low tension battery failure for electric car |
| CN109917294A (en) * | 2019-03-25 | 2019-06-21 | 深圳艾威仕汽车检测设备有限公司 | Vehicle battery electric leakage monitoring method based on big data analysis |
-
2012
- 2012-11-16 CN CN 201220610966 patent/CN203014409U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843112A (en) * | 2013-06-28 | 2015-08-19 | 庄景阳 | Intelligent control friction electrical storage device of bicycle |
| CN103472339B (en) * | 2013-09-22 | 2016-02-03 | 重庆长安汽车股份有限公司 | Be applied to the method that in manufacture process, car load power shortage is monitored automatically |
| CN103472339A (en) * | 2013-09-22 | 2013-12-25 | 重庆长安汽车股份有限公司 | Full vehicle electricity deficiency automatic monitoring method used in manufacturing process |
| CN104827921A (en) * | 2014-12-04 | 2015-08-12 | 北汽福田汽车股份有限公司 | Startup control method and startup control system of electric vehicle, and electric vehicle having same |
| CN105490343A (en) * | 2016-01-05 | 2016-04-13 | 台州台鹰电动汽车有限公司 | Intelligent maintaining system and maintaining method for storage battery |
| CN105720653A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Electric automobile, DC/DC converter and control system thereof |
| CN105720655A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Electric automobile, DC/DC converter and control system thereof |
| CN107600064A (en) * | 2016-07-12 | 2018-01-19 | 贵航青年莲花汽车有限公司 | A kind of high-low pressure energy management method of whole car controller of hybrid electric car |
| CN106114232B (en) * | 2016-09-14 | 2018-08-21 | 成都雅骏汽车制造有限公司 | A kind of automobile storage battery preventing electric loss intelligence system |
| CN106114232A (en) * | 2016-09-14 | 2016-11-16 | 成都雅骏新能源汽车科技股份有限公司 | A kind of automobile storage battery preventing electric loss intelligence system |
| CN106849308A (en) * | 2017-04-07 | 2017-06-13 | 深圳市瀚路新能源汽车有限公司 | Auxiliary charging device and system |
| CN107878212A (en) * | 2017-10-31 | 2018-04-06 | 吉利汽车研究院（宁波）有限公司 | A kind of automobile storage battery preventing electric loss guard method and system |
| CN108177548A (en) * | 2018-01-18 | 2018-06-19 | 苏州超云新能源有限公司 | Accumulator of electric car power shortage self-charging system, charging method and electric vehicle |
| CN108177548B (en) * | 2018-01-18 | 2023-09-29 | 苏州超云新能源有限公司 | Self-charging system and method for electric automobile storage battery deficiency and electric automobile |
| CN109720202A (en) * | 2018-12-04 | 2019-05-07 | 国能新能源汽车有限责任公司 | A kind of emergency start circuit when the low tension battery failure for electric car |
| CN109917294A (en) * | 2019-03-25 | 2019-06-21 | 深圳艾威仕汽车检测设备有限公司 | Vehicle battery electric leakage monitoring method based on big data analysis |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |