CN103259315A - Electric automobile charge and discharge switch and control circuit and control method thereof - Google Patents
Electric automobile charge and discharge switch and control circuit and control method thereof Download PDFInfo
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- CN103259315A CN103259315A CN2013102143556A CN201310214355A CN103259315A CN 103259315 A CN103259315 A CN 103259315A CN 2013102143556 A CN2013102143556 A CN 2013102143556A CN 201310214355 A CN201310214355 A CN 201310214355A CN 103259315 A CN103259315 A CN 103259315A
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Abstract
The invention discloses an electric automobile charge and discharge switch and a control circuit and a control method of the electric automobile charge and discharge switch. A wired charging circuit of the switch is connected with a wired charging input interface. A wireless charging circuit is connected with a wireless charging input interface. An output port is connected with a power system of an electric automobile. A charging output port, a power supply input port of the power system of the electric automobile and a vehicle-mounted power supply circuit are respectively connected with a battery port. The control circuit of the switch controls closing and opening of a normally open switch of a relay of a main circuit of the electric automobile charge and discharge switch through series-parallel connection between mechanical normally close and normally open switches and an electromagnetic relay, so that interlocking between the wired charging circuit and the wireless charging circuit is achieved, and interlocking between the charging circuits and a high voltage discharging circuit is achieved. The fact that only one of the charging circuits and a power system circuit works is achieved, only one of the wired charging circuit and the wireless charging circuit in a charging system charges a battery, and therefore safe and reliable charging of the electric automobile is achieved.
Description
Technical field
The present invention relates to a kind of electric automobile charge and discharge switch, refer to a kind of electric automobile charge and discharge switch wired, the wireless charging mode that integrates especially.The invention still further relates to control circuit and the control method of above-mentioned electric automobile charge and discharge switch.
Background technology
Along with Chinese economic development, the oil shortage problem is serious, China has become automobile market the biggest in the world simultaneously, automobile has proposed stern challenge to the energy supply of China, the carbon monoxide of motor vehicle emission, hydrocarbon and oxynitrides etc. have also caused bigger pollution to urban environment, therefore, the development electric automobile has far-reaching influence to the energy security of China.
When using electric automobile, need charge to electric automobile, present main method is to change the original oil filler of automobile into charging socket, charges by wired connection between vehicle and the charging pile.Along with the development of wireless charging technology, utilizing wireless technology of transmission of electricity that electric automobile is charged becomes possibility.In the charging process of reality, these two kinds of charging methods respectively have pluses and minuses, and under different environment, there is its specific application scenario at wired charging station and wireless charging station, so later electric automobile need be equipped with wired and wireless two kinds of charging systems.
When electric automobile charges, do not allow the Electric Vehicle power system energising, wireless charging and wired charging can not be worked simultaneously, if by chip controls, system's less stable, and the consequence that it causes is very serious.
Summary of the invention
Technical problem to be solved by this invention provides a kind of electric automobile charge and discharge switch wired, the wireless charging mode that integrates, and realizes the safe and reliable charging of electric automobile.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of electric automobile charge and discharge switch, it comprises wired charging input interface, wireless charging input interface, output port, charging output port and power system of electric automobile power supply input interface, wired charging circuit links to each other with wired charging input interface, the wireless charging circuit links to each other with the wireless charging input interface, output port links to each other with power system of electric automobile, and charging output port, power system of electric automobile power supply input interface and vehicle-mounted power supply circuits link to each other with battery port respectively.
Described electric automobile charge and discharge switch comprises wired charge switch, wireless charging switch, charge switch and dynamical system power switch, described charge switch is in parallel with the dynamical system power switch, described wired charge switch and wireless charging switch in parallel, and connect with charge switch, by control charge switch, dynamical system power switch, make one of them conducting select to charge the battery or to the dynamical system discharge, by control wired charge switch, the wireless charging switch switches between wireless charging mode and wired charging modes.
The control circuit of electric automobile charge and discharge switch of the present invention comprises wired charging control circuit, wireless charging control circuit, charging control circuit and dynamical system power-supplying circuit, charging control circuit and the parallel connection of dynamical system power-supplying circuit; Wired charging control circuit is in parallel with the wireless charging control circuit, and connects with charging control circuit; Described wired charging control circuit, wireless charging control circuit, charging control circuit and dynamical system power-supplying circuit constitute by mechanical type normally closed switch, relay normally open switch, mechanical type normal open switch, relay normally closed switch and relay, described mechanical type normally closed switch, relay normally open switch, relay normally closed switch and relay are once connected, mechanical type normal open switch and relay normally open switch in parallel; The mechanical type normally closed switch mechanical linkage of the mechanical type normal open switch of wired charging control circuit and wireless charging control circuit, the mechanical type normal open switch mechanical linkage of the mechanical type normally closed switch of wired charging control circuit and wireless charging control circuit; The mechanical type normally closed switch mechanical linkage of the mechanical type normal open switch of charging control circuit and dynamical system power-supplying circuit, the mechanical type normal open switch mechanical linkage of the mechanical type normally closed switch of charging control circuit and dynamical system power-supplying circuit.
The control method of above-mentioned control circuit:
(1) is converted to dynamical system power supply and charges the battery: the coupled charging control circuit mechanical type normal open switch of mechanical type normally closed switch of pressing the dynamical system power-supplying circuit, the relay outage of dynamical system power-supplying circuit, the relay normally closed switch closure of charging control circuit, this moment charging control circuit relay power, the relay normally open switch closure of charging control circuit, this moment, charging circuit formed path;
(2) charge mode is converted to dynamical system and powers: the mechanical type normal open switch of pressing the coupled dynamical system power-supplying circuit of the mechanical type normally closed switch of charging control circuit, the relay outage of charging control circuit, the relay normally closed switch closure of dynamical system power-supplying circuit, this moment the dynamical system power-supplying circuit relay power, the relay normally open switch closure of dynamical system power-supplying circuit, this moment, the control circuit to the dynamical system power supply formed path;
(3) the wireless charging mode switches to wired charging modes: the mechanical type normal open switch of pressing the coupled wired charging control circuit of the mechanical type normally closed switch of wireless charging control circuit, the relay outage of wireless charging control circuit, the relay normally closed switch closure of wired charging control circuit, this moment wired charging control circuit relay power, the relay normally open switch closure of wired charging control circuit, this moment, wired charging control circuit formed path;
(4) wired charging modes switches to the wireless charging mode: the mechanical type normal open switch of pressing the coupled wireless charging control circuit of the normally closed mechanical switch of wired charging control circuit, the relay outage of wired charging control circuit, the relay normally closed switch closure of wireless charging control circuit, this moment the wireless charging control circuit relay power, the relay normally open switch closure of wireless charging control circuit, this moment, the wireless charging control circuit formed path.
Can realize that by the present invention charging circuit and dynamical system circuit have only one tunnel work, wired and wireless charging circuit have only one the tunnel battery charged in the charging system.Because this switch adopts mechanical botton, built-in relay is so system works is more reliable.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present invention.
Fig. 2 is main circuit diagram of the present invention.
Fig. 3 is control circuit figure of the present invention.
Embodiment
As shown in Figure 1, the present invention integrates electric automobile charge and discharge switch 1 wired, the wireless charging mode and comprises wired charging input interface 1-1, wireless charging input interface 1-2, charging output port 1-4, the power system of electric automobile power supply input interface 1-5 that links to each other with battery 2 and the output port 1-3 that links to each other with power system of electric automobile.Wired charging circuit links to each other with wired charging input interface 1-1, the wireless charging circuit links to each other with wireless charging input interface 1-2, and the battery port 2-1 of battery 2 goes up three tunnel of parallel connection and links to each other with charging output port 1-4, power system of electric automobile power supply input interface 1-5, vehicle-mounted power supply circuits respectively.
For example batteries of electric automobile 2 is lead-acid battery, is made of the lead-acid battery of 10 6v, 200Ah, which is provided with the both positive and negative polarity port, from the coupled accumulators group charging of charge and discharge switch charging output; The coupled back of power system of electric automobile power supply input on the charge and discharge switch powers to dynamical system by charge and discharge switch; Also be parallel with vehicle-mounted power supply output on the port of battery 2, from then on the circuit electric energy of drawing is given display lamp, instrument, the EMS power supply of electric automobile through the Switching Power Supply conversion.
As shown in Figure 2, electric automobile charge and discharge switch main circuit diagram, charge switch 1-8 is in parallel with dynamical system power switch 1-9; Wired charge switch 1-6 is in parallel with wireless charging switch 1-7, and connects with charge switch 1-8.Make one of them conducting by control charge switch 1-8, dynamical system power switch 1-9, select to charge the battery or discharge to dynamical system.By controlling wired charge switch 1-6, wireless charging switch 1-7, can between wireless charging mode and wired charging modes, switch.
As shown in Figure 3, the control circuit figure of electric automobile charge and discharge switch, as a whole, wired charging control circuit and radio control circuit constitute interlock circuit, charging circuit and dynamical system power supply circuits also constitute interlock circuit, below its concrete course of work are made explanations:
To be example from powering to be converted to charge the battery to dynamical system, press mechanical type normally closed switch 1-11-4, the mechanical type normal open switch closure that links to each other with its (being mechanical type normally closed switch 1-11-4), relay 1-12-4 outage, relay normally closed switch 1-13-3 closure, relay 1-12-3 energising this moment, relay normally open switch 1-8-1 closure, this moment, charging circuit formed path, the charge switch 1-8 closure of main circuit, and dynamical system power switch 1-9 disconnects.
It is identical that circuit is converted to when powering principle to dynamical system by charge mode, press mechanical type normally closed switch 1-11-3, the mechanical type normal open switch closure that links to each other with its (being mechanical type normally closed switch 1-11-3), relay 1-12-3 outage, relay normally closed switch 1-13-4 closure, relay 1-12-4 energising this moment, relay normally open switch 1-9-1 closure, this moment, the control circuit to the dynamical system power supply formed path, the dynamical system power switch 1-9 closure of main circuit, and charge switch 1-8 disconnects.
When carry out wired and the wireless charging mode between when switching, when pressing mechanical type normally closed switch 1-11-2, the mechanical type normal open switch closure that links to each other with its (being mechanical type normally closed switch 1-11-2), relay 1-12-2 outage, relay normally closed switch 1-13-1 closure, relay 1-12-1 energising this moment, relay normally open switch 1-6-1 closure, this moment, wired charging control circuit formed path, wired charge switch 1-6 closure of main circuit, and wireless charging switch 1-7 disconnects.
Press mechanical type normally closed switch 1-11-1, the mechanical type normal open switch closure that links to each other with its (being mechanical type normally closed switch 1-11-1), relay 1-12-1 outage, relay normally closed switch 1-13-2 closure, relay 1-12-2 energising this moment, relay normally open switch 1-7-1 closure, this moment, the wireless charging control circuit formed path, main circuit wireless charging switch 1-7 closure, wired charge switch 1-6 disconnects.
Wherein in the control circuit, the power supply of wired charging, wireless charging section and charging section control circuit is independently, and the loop that the break-make of charging section does not influence wired charging and wireless charging control circuit forms.
Above-described embodiment does not limit the present invention in any way, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection scope of the present invention.
Claims (4)
1. electric automobile charge and discharge switch, it is characterized in that comprising wired charging input interface, wireless charging input interface, output port, charging output port and power system of electric automobile power supply input interface, wired charging circuit links to each other with wired charging input interface, the wireless charging circuit links to each other with the wireless charging input interface, output port links to each other with power system of electric automobile, and charging output port, power system of electric automobile power supply input interface and vehicle-mounted power supply circuits link to each other with battery port respectively.
2. electric automobile charge and discharge switch according to claim 1, it is characterized in that comprising wired charge switch, the wireless charging switch, charge switch and dynamical system power switch, described charge switch is in parallel with the dynamical system power switch, described wired charge switch and wireless charging switch in parallel, and connect with charge switch, by the control charge switch, the dynamical system power switch, make one of them conducting select to charge the battery or discharge to dynamical system, by controlling wired charge switch, the wireless charging switch switches between wireless charging mode and wired charging modes.
3. the control circuit of a claim 1 or 2 described electric automobile charge and discharge switchs, it is characterized in that comprising wired charging control circuit, wireless charging control circuit, charging control circuit and dynamical system power-supplying circuit, charging control circuit and the parallel connection of dynamical system power-supplying circuit; Wired charging control circuit is in parallel with the wireless charging control circuit, and connects with charging control circuit; Described wired charging control circuit, wireless charging control circuit, charging control circuit and dynamical system power-supplying circuit constitute by mechanical type normally closed switch, relay normally open switch, mechanical type normal open switch, relay normally closed switch and relay, described mechanical type normally closed switch, relay normally open switch, relay normally closed switch and relay are once connected, mechanical type normal open switch and relay normally open switch in parallel; The mechanical type normally closed switch mechanical linkage of the mechanical type normal open switch of wired charging control circuit and wireless charging control circuit, the mechanical type normal open switch mechanical linkage of the mechanical type normally closed switch of wired charging control circuit and wireless charging control circuit; The mechanical type normally closed switch mechanical linkage of the mechanical type normal open switch of charging control circuit and dynamical system power-supplying circuit, the mechanical type normal open switch mechanical linkage of the mechanical type normally closed switch of charging control circuit and dynamical system power-supplying circuit.
4. according to the control method of the described control circuit of claim 3, it is characterized in that:
(1) is converted to dynamical system power supply and charges the battery: the coupled charging control circuit mechanical type normal open switch of mechanical type normally closed switch of pressing the dynamical system power-supplying circuit, the relay outage of dynamical system power-supplying circuit, the relay normally closed switch closure of charging control circuit, this moment charging control circuit relay power, the relay normally open switch closure of charging control circuit, this moment, charging circuit formed path;
(2) charge mode is converted to dynamical system and powers: the mechanical type normal open switch of pressing the coupled dynamical system power-supplying circuit of the mechanical type normally closed switch of charging control circuit, the relay outage of charging control circuit, the relay normally closed switch closure of dynamical system power-supplying circuit, this moment the dynamical system power-supplying circuit relay power, the relay normally open switch closure of dynamical system power-supplying circuit, this moment, the control circuit to the dynamical system power supply formed path;
(3) the wireless charging mode switches to wired charging modes: the mechanical type normal open switch of pressing the coupled wired charging control circuit of the mechanical type normally closed switch of wireless charging control circuit, the relay outage of wireless charging control circuit, the relay normally closed switch closure of wired charging control circuit, this moment wired charging control circuit relay power, the relay normally open switch closure of wired charging control circuit, this moment, wired charging control circuit formed path;
(4) wired charging modes switches to the wireless charging mode: the mechanical type normal open switch of pressing the coupled wireless charging control circuit of the normally closed mechanical switch of wired charging control circuit, the relay outage of wired charging control circuit, the relay normally closed switch closure of wireless charging control circuit, this moment the wireless charging control circuit relay power, the relay normally open switch closure of wireless charging control circuit, this moment, the wireless charging control circuit formed path.
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| CN201310214355.6A CN103259315B (en) | 2013-05-31 | 2013-05-31 | Electric automobile charge and discharge switch and control circuit and control method thereof |
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| CN201310214355.6A CN103259315B (en) | 2013-05-31 | 2013-05-31 | Electric automobile charge and discharge switch and control circuit and control method thereof |
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| CN103259315B CN103259315B (en) | 2015-04-22 |
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Cited By (9)
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| CN103746412A (en) * | 2013-12-09 | 2014-04-23 | 惠州市亿能电子有限公司 | Electrical vehicle charging and discharging interlock circuit |
| CN103956784A (en) * | 2014-04-15 | 2014-07-30 | 国家电网公司 | Wireless and wired charging switching device of electromobile |
| CN106571655A (en) * | 2016-03-21 | 2017-04-19 | 中兴新能源汽车有限责任公司 | Electric vehicle charging method and electric vehicle |
| CN107264314A (en) * | 2017-06-22 | 2017-10-20 | 北京佰才邦技术有限公司 | Battery charge controller, electric vehicle and charge control method |
| CN108778929A (en) * | 2017-05-10 | 2018-11-09 | 深圳市大疆创新科技有限公司 | Battery management system, battery and unmanned vehicle |
| CN109159674A (en) * | 2018-09-03 | 2019-01-08 | 广东嘉腾机器人自动化有限公司 | A kind of charging circuit and system |
| CN109591654A (en) * | 2018-12-13 | 2019-04-09 | 江苏方天电力技术有限公司 | The charge control method and system of electric vehicle on three-in-one electronic highway |
| CN109638932A (en) * | 2019-02-28 | 2019-04-16 | 郝蕾 | A kind of charge and discharge double interlock control circuit of electric car |
| CN110525247A (en) * | 2019-08-27 | 2019-12-03 | 中兴新能源汽车有限责任公司 | A kind of charging circuit, method and apparatus |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746412A (en) * | 2013-12-09 | 2014-04-23 | 惠州市亿能电子有限公司 | Electrical vehicle charging and discharging interlock circuit |
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| CN103956784A (en) * | 2014-04-15 | 2014-07-30 | 国家电网公司 | Wireless and wired charging switching device of electromobile |
| CN103956784B (en) * | 2014-04-15 | 2016-01-20 | 国家电网公司 | A kind of electric automobile is wireless and wired charging switching device shifter |
| CN106571655A (en) * | 2016-03-21 | 2017-04-19 | 中兴新能源汽车有限责任公司 | Electric vehicle charging method and electric vehicle |
| CN108778929A (en) * | 2017-05-10 | 2018-11-09 | 深圳市大疆创新科技有限公司 | Battery management system, battery and unmanned vehicle |
| CN107264314A (en) * | 2017-06-22 | 2017-10-20 | 北京佰才邦技术有限公司 | Battery charge controller, electric vehicle and charge control method |
| CN109159674A (en) * | 2018-09-03 | 2019-01-08 | 广东嘉腾机器人自动化有限公司 | A kind of charging circuit and system |
| CN109159674B (en) * | 2018-09-03 | 2020-08-21 | 广东嘉腾机器人自动化有限公司 | Charging circuit and system |
| CN109591654A (en) * | 2018-12-13 | 2019-04-09 | 江苏方天电力技术有限公司 | The charge control method and system of electric vehicle on three-in-one electronic highway |
| CN109638932A (en) * | 2019-02-28 | 2019-04-16 | 郝蕾 | A kind of charge and discharge double interlock control circuit of electric car |
| CN110525247A (en) * | 2019-08-27 | 2019-12-03 | 中兴新能源汽车有限责任公司 | A kind of charging circuit, method and apparatus |
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| CN103259315B (en) | 2015-04-22 |
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