CN102069716A - Electric vehicle with charging protection circuit - Google Patents
Electric vehicle with charging protection circuit Download PDFInfo
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- CN102069716A CN102069716A CN 201010599604 CN201010599604A CN102069716A CN 102069716 A CN102069716 A CN 102069716A CN 201010599604 CN201010599604 CN 201010599604 CN 201010599604 A CN201010599604 A CN 201010599604A CN 102069716 A CN102069716 A CN 102069716A
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- relay
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- electrically connected
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- car
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Abstract
The invention relates to an electric vehicle with a charging protection circuit, which comprises a power battery manager, a vehicle interior battery and an electric vehicle system controller, wherein the power battery manager is used for receiving the charging of an external power source; after the external charging is completed, the power battery manager is used for charging the vehicle interior battery and providing the power source for the whole circuit. The electric vehicle is characterized by also comprising a first relay, a second relay and a third relay. Through arranging a plurality of relays by the electric vehicle, when the electric vehicle is connected to electric vehicle like a charging post and the like, the relays are controlled to disconnect the vehicle interior battery from the electric vehicle system controller, and a control circuit cannot work, whereas when the electric vehicle is disconnected from the charging equipment like the charging post and the like, the relays are controlled to reset the connection of the vehicle interior battery and the electric vehicle system controller, and the control circuit works again, and thereby, the electric vehicle is ensured not to be started during the charging process, and further, safe charging is ensured.
Description
[technical field]
The present invention relates to the Electronmotive Force transportation device, particularly relate to a kind of battery-driven car
[background technology]
The development history of battery-driven car is longer than fuel-engined vehicle, and first self-propelled vehicle is exactly battery-driven car in the world.Afterwards, because the fuel-engined vehicle technology rapid development, and battery-driven car failed to make a breakthrough in the development of energy technology and travelled distance for a long time, from early 1920s to the end of the sixties, the development of battery-driven car has entered a quiet phase.Entered since the seventies, because the outburst of Middle East Oil Crisis and human growing interest to natural environment, battery-driven car becomes the focus of technical development once again.
Along with popularizing of battery-driven car, the charging technique of battery-driven car seems more and more important.But present battery-driven car lacks charge protection equipment; in electrically-charged process; battery-driven car is connected to charging equipments such as charging pile, because the electrically-charged time is long, operating personal is forgotten easily after charging and to be disconnected being connected of battery-driven car and charging pile; and the driver is when handing-over; also be not easy to note this error, and cause the accident, perhaps in electrically-charged process; the driver does not take notice of that battery-driven car charges, and starts battery-driven car and causes the accident.
[summary of the invention]
Based on this, be necessary to provide a kind of safe battery-driven car with charge protector.
A kind of battery-driven car with charge protector; comprise the electrokinetic cell manager; battery in the car; the electric vehicle system controller; described electrokinetic cell manager is used to accept the charging of external power supply; behind the external charging; described electrokinetic cell manager is used in described car battery charge and provides power supply for entire circuit; it is characterized in that; also comprise first relay; second relay and the 3rd relay; the negative earth of battery in the described car; the changeover contact of anodal and described the 3rd relay is electrically connected; the normally closed contact of described the 3rd relay is electrically connected with an end of the coil of described second relay; the other end ground connection of the coil of described second relay; the open contact of described second relay is electrically connected with the common port of the changeover contact of interior battery of described car and described the 3rd relay; the changeover contact of described second relay is electrically connected with an end of described electric vehicle system controller; the other end ground connection of described electric vehicle system controller; one end ground connection of the coil of described first relay; the other end of the coil of described first relay is electrically connected with the changeover contact of described second relay and the common port of described electric vehicle system controller; in the open contact of described first relay and the described car battery and described the 3rd relay the common port of changeover contact be electrically connected; the changeover contact of described first relay is electrically connected with an end of described electrokinetic cell manager; the other end ground connection of described electrokinetic cell manager; the normally closed contact of described first relay is used for described external power supply and is electrically connected; the normally closed contact of described first relay is electrically connected with an end of the coil of described the 3rd relay, the other end ground connection of the coil of described the 3rd relay.
In preferred embodiment, also comprise charging socket, an end of described charging socket is used for being electrically connected with described external recharging apparatus, and the other end is used for being electrically connected with an end of the coil of the normally closed contact of described first relay and described the 3rd relay.
In preferred embodiment, also comprise first wire fuse, an end of described first wire fuse is electrically connected with battery in the described car, and the other end of described first wire fuse is electrically connected with the changeover contact of described the 3rd relay.
In preferred embodiment, also comprise second wire fuse, an end of described second wire fuse is electrically connected with battery in the described car, and the other end of described second wire fuse is electrically connected with the open contact of described first relay.
In preferred embodiment, also comprise the 3rd wire fuse, an end of described the 3rd wire fuse is electrically connected with the changeover contact of described second relay, and the other end of described second wire fuse is electrically connected with described electric vehicle system controller.
Above-mentioned battery-driven car is by being provided with a plurality of relays, when being connected to charging equipments such as charging pile at battery-driven car, the interior battery of control relay disconnection car is connected with the electric vehicle system controller, control circuit can't be worked, and battery-driven car disconnects when being connected with charging equipment such as charging pile, control relay being connected of the interior battery of car and electric vehicle system controller that reset, control circuit is reworked, thereby guaranteed that in process of charging battery-driven car can not be activated, and then guaranteed charging safety.
[description of drawings]
Fig. 1 is the battery-driven car with charge protector of embodiment one;
Fig. 2 is the battery-driven car with charge protector of embodiment two.
[specific embodiment]
Describe below in conjunction with accompanying drawing and concrete embodiment.
As shown in Figure 1, a kind of battery-driven car with charge protector comprises battery U1, second relay J 2, the 3rd relay J 3, electric vehicle system controller B in first relay J 1, electrokinetic cell manager A, the car.
The negative earth of battery U1 in the car, positive pole is electrically connected with the changeover contact of the 3rd relay J 3, the normally closed contact of the 3rd relay J 3 is electrically connected with an end of the coil of second relay J 2, the other end ground connection of the coil of second relay J 2, the open contact of second relay J 2 is electrically connected with the common port of the changeover contact of interior battery U1 of car and the 3rd relay J 3, the changeover contact of second relay J 2 is electrically connected with the end of electric vehicle system controller B, the other end ground connection of electric vehicle system controller B, one end ground connection of the coil of first relay J 1, the other end of the coil of first relay J 1 is electrically connected with the changeover contact of second relay J 2 and the common port of electric vehicle system controller B, the open contact of first relay J 1 is electrically connected with the common port of the changeover contact of interior battery U1 of car and the 3rd relay J 3, the changeover contact of first relay J 1 is electrically connected with the end of electrokinetic cell manager A, the other end ground connection of electrokinetic cell manager A, the normally closed contact of first relay J 1 is electrically connected with an end of the coil of the 3rd relay J 3, simultaneously, the normally closed contact of first relay J 1 is used for being electrically connected with external power supply, the other end ground connection of the coil of the 3rd relay J 3.In another embodiment, also comprise cradle C1.The common port of the normally closed contact of first relay J 1 and the 3rd relay J 3 is electrically connected with the end of cradle C1, the other end ground connection of cradle C1.
During external charging, external recharging apparatus is inserted cradle C1.Because the normally closed contact of first relay J 1 connects charge switch and electrokinetic cell manager A, after external recharging apparatus inserts cradle C1, first relay J 1 makes electrokinetic cell manager A be in the state that is electrically connected with external power supply, and the electric current of external power supply charges to electrokinetic cell manager A by the normally closed contact of first relay J 1.Simultaneously, normally closed contact in first relay J 1 is shunted, the electric current of shunting flows through the coil of the 3rd relay J 3, produce magnetic field behind the coil electricity, the closure of 3 adhesives of the 3rd relay J and disconnection and normally closed contact, therefore, battery U1 is disconnected through the normally closed contact of the 3rd relay J 3 coil path to second relay J 2 in the car, the coil of second relay J 2 does not have electric current to pass through, just do not produce magnetic field yet, second relay J 2 is in normally open, and promptly open contact and the changeover contact of battery U1 by second relay J 2 is disconnected to the path of electric vehicle system controller B in the car.Electric vehicle system controller B lacks power supply, and electric vehicle system controller B can not work, and the driver can't start battery-driven car, thereby has guaranteed electrically-charged safety.
When interior charging of car and power supply, remove being connected of external power supply and cradle C1, the coil of the 3rd relay J 3 does not have electric current to pass through, magnetic field disappears, the 3rd relay J 3 is returned to normally closed contact, battery U1 is electrically connected through the normally closed contact of the 3rd relay J 3 coil path to second relay J 2 in the car, the coil of second relay J 2 passes through electric current, produce magnetic field, 2 adhesives of second relay J, the path that battery U1 arrives electric vehicle system controller B by the open contact and the changeover contact of second relay J 2 in the car is electrically connected, and electric vehicle system controller B obtains the power supply of battery U1 in the car, and electric vehicle system controller B can normally be started.Then, the coil that open contact and the changeover contact of the electric current that battery U1 provides in the car by second relay J 2 arrives first relay J 1, coil produces magnetic field, 1 adhesive of first relay J, and electrokinetic cell manager A is electrically connected with interior battery U1 of car and electric vehicle system controller B.Electrokinetic cell manager A battery U1 charging and provide power supply for entire circuit in car simultaneously.
In another embodiment, specific embodiment is as shown in Figure 2 more among the embodiment as shown in Figure 1.
A kind of battery-driven car with charge protector comprises battery U1, the first wire fuse FU1, second relay J 2, the 3rd relay J 3, the second wire fuse FU2, the 3rd wire fuse FU3, electric vehicle system controller B in first relay J 1, electrokinetic cell manager A, the car.
The negative earth of battery U1 in the car, positive pole is electrically connected with the end of the first wire fuse FU1, the other end of the first wire fuse FU1 is electrically connected with the changeover contact of the 3rd relay J 3, the normally closed contact of the 3rd relay J 3 is electrically connected with an end of the coil of second relay J 2, the other end ground connection of the coil of second relay J 2, the open contact of second relay J 2 is electrically connected with the common port of the interior battery U1 of car and the first wire fuse FU1, the changeover contact of second relay J 2 is electrically connected with the end of the 3rd wire fuse FU3, the other end of the 3rd wire fuse FU3 is electrically connected with the end of electric vehicle system controller B, the other end ground connection of electric vehicle system controller B, one end ground connection of the coil of first relay J 1, the other end of the coil of first relay J 1 is electrically connected with the common port of the 3rd wire fuse FU3 and electric vehicle system controller B, the open contact of first relay J 1 is electrically connected with the end of the second wire fuse FU2, the other end of the second wire fuse FU2 is electrically connected with the common port of the interior battery U1 of car and the first wire fuse FU1, the changeover contact of first relay J 1 is electrically connected with the end of electrokinetic cell manager A, the other end ground connection of electrokinetic cell manager A, the normally closed contact of first relay J 1 is electrically connected with an end of the coil of the 3rd relay J 3, simultaneously, the normally closed contact of first relay J 1 is used for being electrically connected with external power supply, the other end ground connection of the coil of the 3rd relay J 3.In another embodiment, also comprise cradle C1.The common port of the normally closed contact of first relay J 1 and the 3rd relay J 3 is electrically connected with the end of cradle C1, the other end ground connection of cradle C1.
During external charging, external power supply is inserted cradle C1.First relay J 1 makes electrokinetic cell manager A be in the state that is electrically connected with external power supply, and the electric current of external power supply charges to electrokinetic cell manager A by the normally closed contact of first relay J 1.Simultaneously, common port at the normally closed contact of the cradle C1 and first relay J 1 is shunted, the electric current of shunting flows through the coil of the 3rd relay J 3, produce magnetic field behind the coil electricity, the closure of 3 adhesives of the 3rd relay J and disconnection and normally closed contact, therefore, battery U1 is through the first wire fuse FU1 in the car, the normally closed contact of the 3rd relay J 3 is disconnected to the coil path of second relay J 2, the coil of second relay J 2 does not have electric current, just do not produce magnetic field yet, second relay J 2 is in normally open, and promptly the interior battery U1 of car is by the open contact and the changeover contact of second relay J 2, the second wire fuse FU2 is disconnected to the path of electric vehicle system controller B.Electric vehicle system controller B lacks power supply, and electric vehicle system controller B can not work, and the driver can't start battery-driven car, thereby has guaranteed electrically-charged safety.
When interior charging of car and power supply, remove being connected of external power supply and cradle C1, the coil of the 3rd relay J 3 does not have electric current to pass through, magnetic field disappears, the 3rd relay J 3 is returned to normally closed contact, battery U1 is through the first wire fuse FU1 in the car, the normally closed contact of the 3rd relay J 3 and changeover contact connect to the path of the coil of second relay J 2, the coil of second relay J 2 passes through electric current, produce magnetic field, 2 adhesives of second relay J, battery U1 is by the open contact and the changeover contact of second relay J 2 in the car, the 3rd wire fuse FU3 connects to the path of electric vehicle system controller B, electric vehicle system controller B obtains power supply, and electric vehicle system controller B can normally be started.Simultaneously, the electric current that battery U1 provides in the car arrives the coil of first relay J 1 by the second wire fuse FU2, and coil produces magnetic field, 1 adhesive of first relay J, and electrokinetic cell manager A is electrically connected with the interior battery U1 of car.Electrokinetic cell manager A battery U1 charging and provide power supply for entire circuit in car simultaneously.
Above-mentioned battery-driven car is by being provided with a plurality of relays, when being connected to charging equipments such as charging pile at battery-driven car, the interior battery of control relay disconnection car is connected with the electric vehicle system controller, control circuit can't be worked, and battery-driven car disconnects when being connected with charging equipment such as charging pile, control relay being connected of the interior battery of car and electric vehicle system controller that reset, control circuit is reworked, thereby guaranteed that in process of charging battery-driven car can not be activated, and then guaranteed charging safety.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. battery-driven car with charge protector; comprise the electrokinetic cell manager; battery in the car; the electric vehicle system controller; described electrokinetic cell manager is used to accept the charging of external power supply; behind the external charging; described electrokinetic cell manager is used in described car battery charge and provides power supply for entire circuit; it is characterized in that; also comprise first relay; second relay and the 3rd relay; the negative earth of battery in the described car; the changeover contact of anodal and described the 3rd relay is electrically connected; the normally closed contact of described the 3rd relay is electrically connected with an end of the coil of described second relay; the other end ground connection of the coil of described second relay; the open contact of described second relay is electrically connected with the common port of the changeover contact of interior battery of described car and described the 3rd relay; the changeover contact of described second relay is electrically connected with an end of described electric vehicle system controller; the other end ground connection of described electric vehicle system controller; one end ground connection of the coil of described first relay; the other end of the coil of described first relay is electrically connected with the changeover contact of described second relay and the common port of described electric vehicle system controller; in the open contact of described first relay and the described car battery and described the 3rd relay the common port of changeover contact be electrically connected; the changeover contact of described first relay is electrically connected with an end of described electrokinetic cell manager; the other end ground connection of described electrokinetic cell manager; the normally closed contact of described first relay is used for described external power supply and is electrically connected; the normally closed contact of described first relay is electrically connected with an end of the coil of described the 3rd relay, the other end ground connection of the coil of described the 3rd relay.
2. the battery-driven car with charge protector according to claim 1; it is characterized in that; also comprise charging socket; one end of described charging socket is used for being electrically connected with described external recharging apparatus, and the other end is used for being electrically connected with an end of the coil of the normally closed contact of described first relay and described the 3rd relay.
3. the battery-driven car with charge protector according to claim 1; it is characterized in that; also comprise first wire fuse, an end of described first wire fuse is electrically connected with battery in the described car, and the other end of described first wire fuse is electrically connected with the changeover contact of described the 3rd relay.
4. the battery-driven car with charge protector according to claim 1; it is characterized in that; also comprise second wire fuse, an end of described second wire fuse is electrically connected with battery in the described car, and the other end of described second wire fuse is electrically connected with the open contact of described first relay.
5. the battery-driven car with charge protector according to claim 1; it is characterized in that; also comprise the 3rd wire fuse, an end of described the 3rd wire fuse is electrically connected with the changeover contact of described second relay, and the other end of described second wire fuse is electrically connected with described electric vehicle system controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105996044A CN102069716B (en) | 2010-12-22 | 2010-12-22 | Electric vehicle with charging protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105996044A CN102069716B (en) | 2010-12-22 | 2010-12-22 | Electric vehicle with charging protection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069716A true CN102069716A (en) | 2011-05-25 |
| CN102069716B CN102069716B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105996044A Expired - Fee Related CN102069716B (en) | 2010-12-22 | 2010-12-22 | Electric vehicle with charging protection circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102632807A (en) * | 2012-05-02 | 2012-08-15 | 德州艾狄孚新能源科技有限公司 | Charging forbidding device for low-speed electric automobile |
| CN102991359A (en) * | 2012-12-10 | 2013-03-27 | 天津市松正电动汽车技术股份有限公司 | An electric vehicle controller with brake interlock |
| CN103144549A (en) * | 2012-12-26 | 2013-06-12 | 天津市松正电动汽车技术股份有限公司 | Electric vehicle controller |
| CN104890519A (en) * | 2015-05-21 | 2015-09-09 | 唐山轨道客车有限责任公司 | High-voltage safety interlocking system of motor train unit |
| CN106427587A (en) * | 2016-12-21 | 2017-02-22 | 潍柴动力股份有限公司 | Starting preventing circuit and method applied in vehicle charging process and vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102632807A (en) * | 2012-05-02 | 2012-08-15 | 德州艾狄孚新能源科技有限公司 | Charging forbidding device for low-speed electric automobile |
| CN102991359A (en) * | 2012-12-10 | 2013-03-27 | 天津市松正电动汽车技术股份有限公司 | An electric vehicle controller with brake interlock |
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| CN104890519A (en) * | 2015-05-21 | 2015-09-09 | 唐山轨道客车有限责任公司 | High-voltage safety interlocking system of motor train unit |
| CN104890519B (en) * | 2015-05-21 | 2017-04-05 | 中车唐山机车车辆有限公司 | EMUs high-voltage safety interlocking system |
| CN106427587A (en) * | 2016-12-21 | 2017-02-22 | 潍柴动力股份有限公司 | Starting preventing circuit and method applied in vehicle charging process and vehicle |
Also Published As
| Publication number | Publication date |
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| CN102069716B (en) | 2012-07-25 |
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Address after: 518000 Longgang District, Longgang, Shenzhen, Guangdong, Longgang, 103 Patentee after: Shenzhen Wuzhou dragon car Limited by Share Ltd Address before: 518000 103 Baolong two road, Baolong Industrial Town, Longgang District, Shenzhen, Guangdong Patentee before: Shenzhen Wuzhoulong Motors Corp. Ltd. |
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Granted publication date: 20120725 Termination date: 20201222 |