CN102555951A - Whole automobile controller awakening method and circuit for new energy automobile - Google Patents

Whole automobile controller awakening method and circuit for new energy automobile Download PDF

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Publication number
CN102555951A
CN102555951A CN2012100119859A CN201210011985A CN102555951A CN 102555951 A CN102555951 A CN 102555951A CN 2012100119859 A CN2012100119859 A CN 2012100119859A CN 201210011985 A CN201210011985 A CN 201210011985A CN 102555951 A CN102555951 A CN 102555951A
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China
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low
power
entire car
car controller
connected
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CN2012100119859A
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Chinese (zh)
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CN102555951B (en
Inventor
吴静波
郭志军
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河南科技大学
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Publication of CN102555951A publication Critical patent/CN102555951A/en
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Publication of CN102555951B publication Critical patent/CN102555951B/en

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Abstract

The invention relates to a whole automobile controller awakening method and a whole automobile controller awakening circuit for a new energy automobile. Control area network (CAN) signals can be used as triggering signals to awaken a whole automobile controller so that the whole vehicle controller recovers normal work. The method and the circuit adopt the technical scheme that according to the whole automobile controller awakening method for the new energy automobile, in the key switch switch-off state, when the whole automobile controller needs to work, i.e. the whole automobile controller needs to be awakened, a CAN wire connected with an awakening circuit sends CAN signals to the whole automobile controller, the CAN signals are rectified into direct current through the processing via the awakening circuit for charging a capacitor, when the voltage of the capacitor reaches the work voltage of a low-power-consumption singlechip in the awakening circuit, the low-power-consumption singlechip recovers the work and sends commands to a driving circuit, so that a relay is sucked to switch on the power supply of the whole automobile controller, and the whole automobile controller recovers the normal work.

Description

A kind of new-energy automobile entire car controller awakening method and circuit

 

Technical field

The present invention relates to new-energy automobile control technology field, a kind of specifically new-energy automobile entire car controller awakening method and circuit.

Background technology

Entire car controller is the core component of new-energy automobile, is one of new-energy automobile three big core technologies.Entire car controller is gathered parameters such as traffic information, driver intention, vehicle-state, equipment running status through hardware circuits such as switch input terminal mouth, analog quantity modular converter, CAN buses; Rely on the controller chip and the control port of high-speed cruising to carry out preset control algorithm and operating strategy; To instruct again and through CAN bus, output switching terminal mouth etc. the execution unit of power system carried out the control of real-time, failure-free, science, to realize dynamic property, reliability and the economy of vehicle with information etc.

Entire car controller is after key switch is closed; Under specific operation; Need entire car controller to recover normal operation, gather the status information of other parts and it is controlled, as needing entire car controller to gather the information of battery status when the charging; And carry out the CAN communication with battery charger, control the charging current of battery charger in real time.If entire car controller is after key switch is closed; Make its maintenance work; Do not cut off the electricity supply; Will consume the A-battery electric energy of vehicle, especially DC-DC did not work and can't charge to A-battery this moment, long-time back even may run out of the A-battery electric energy of vehicle and vehicle can't be started.Therefore need after key switch is closed, close the entire car controller power supply, when only under specific operation, needing entire car controller work, open the entire car controller power supply and wake entire car controller up, make entire car controller recover normal operation.

Summary of the invention

The technical matters that the present invention will solve provides a kind of new-energy automobile entire car controller awakening method and circuit; Can be after key switch be closed; When under specific operation, needing entire car controller work, send the CAN signal through the CAN bus and give the entire car controller wake-up circuit, wake-up circuit is opened the power supply of entire car controller; Wake entire car controller up, make entire car controller recover normal operation.

The present invention is that the technical scheme that the deficiency that solves the problems of the technologies described above adopts is: a kind of new-energy automobile entire car controller awakening method; Under the key switch closed condition; In the time of need waking entire car controller up, send the CAN signal for the entire car controller wake-up circuit through the CAN line, it is that direct current is given cond C2 charging that the CAN signal is handled the back rectification through wake-up circuit; After the voltage of cond C2 reaches the operating voltage of the low-power scm U1 in the wake-up circuit; Low-power scm U1 resumes work and sends order to chip for driving U2, makes relay K 1 adhesive connect entire car controller power supply BT, and entire car controller recovers normal operation.

Through giving cond C2 charging, electric energy is provided for low-power scm U1 by cond C2, low-power scm U1 is resumed work.

The operating voltage range of described low-power scm U1 is 1.8V-3.3V.

This wake-up circuit mainly is made up of capacitor C 1, voltage transformer T, diode D, capacitor C 2, micro controller system U1, chip for driving U2 and relay K 1; CANH is connected with the input end of voltage transformer T with CANL; An input end at voltage transformer T is in series with capacitor C 1; The positive terminal of diode D is connected on voltage transformer T mouth one side; The negative pole end of diode D is connected with the positive pin of the power supply of low-power scm U1, and the power-pin of low-power scm U1 is connected with voltage transformer T mouth opposite side, between the power-and the positive pin of power supply of capacitor C 2 parallel connections and low-power scm U1; The output port pin of low-power scm U1 is connected with the input port of chip for driving U2; Chip for driving U2 is connected with relay K 1 low-voltage control circuit, and high-pressure work port one end of relay K 1 is connected with the positive pole of entire car controller power supply BT, and the other end is connected with the positive pin of the power supply of low-power scm; Key switch K2 is parallelly connected with relay K 1, and the negative pole of entire car controller power supply BT directly is connected with the power-pin of low-power scm U1.

The invention has the beneficial effects as follows:

The present invention adopts the energizing signal of CAN signal as entire car controller, wakes entire car controller up, recovers entire car controller work, thereby guarantees the normal operation of entire car controller when key switch is closed, and has reduced the power consumption of A-battery.

Description of drawings

Fig. 1 is the circuit diagram of entire car controller wake-up circuit among the present invention.

The specific embodiment

As shown in the figure; The used wake-up circuit of a kind of new-energy automobile entire car controller awakening method mainly is made up of capacitor C 1, voltage transformer T, diode D, capacitor C 2, micro controller system U1, chip for driving U2 and relay K 1; CANH is connected with the input end of voltage transformer T with CANL; Be used for sending the CAN signal to wake-up circuit, be in series with capacitor C 1 at the input end of voltage transformer T, capacitor C 1 plays a part at a distance from straight.Diode D positive terminal is connected on voltage transformer T mouth one side; Negative pole end is connected with the positive pin of low-power scm U1 power supply; The power-pin of low-power scm U1 is connected with voltage transformer T mouth opposite side, the power-of capacitor C 2 parallelly connected low-power scm U1 and the positive pin of power supply.The output port pin of low-power scm U1 is connected with the input port of chip for driving U2; Chip for driving U2 is connected with relay K 1 low-voltage control circuit; High-pressure work port one end of relay K 1 is connected with the positive pole of entire car controller power supply BT; One end is connected with the positive pin of the power supply of low-power scm, and key switch K2 is parallelly connected with relay K 1, and the negative pole of entire car controller power supply BT directly is connected with the power-pin of low-power scm U1.

After key switch K2 opened, entire car controller power supply BT provided power supply for wake-up circuit and entire car controller through K2, and low-power scm U1 output control signal breaks off U2 control relay K to U2.

After key switch K2 closed, wake-up circuit and entire car controller quit work because of power supply breaks off.Under specific operation, when needing entire car controller work, give wake-up circuit through sending CAN information with entire car controller bonded assembly CAN bus; It is that direct current is given charge of a capacitor that the CAN signal is handled the back rectification through wake-up circuit; Through giving cond C2 charging, electric energy is provided for low-power scm U1 by cond C2, low-power scm U1 is resumed work; After the voltage of cond C2 reaches the operating voltage of the low-power scm U1 in the wake-up circuit; Low-power scm U1 resumes work and sends order to driving circuit, makes the relay K adhesive connect the entire car controller power supply, and entire car controller recovers normal operation.

The present invention adopts the unlatching and the closure of low-power scm U1 control relay, and the operating voltage range of low-power scm U1 is: 1.8V-3.3V.

Claims (4)

1. new-energy automobile entire car controller awakening method; It is characterized in that: under the key switch closed condition; In the time of need waking entire car controller up, send the CAN signal for the entire car controller wake-up circuit through the CAN line, it is that direct current is given cond C2 charging that the CAN signal is handled the back rectification through wake-up circuit; After the voltage of cond C2 reaches the operating voltage of the low-power scm U1 in the wake-up circuit; Low-power scm U1 resumes work and sends order to chip for driving U2, makes relay K 1 adhesive connect entire car controller power supply BT, and entire car controller recovers normal operation.
2. a kind of new-energy automobile entire car controller awakening method according to claim 1 is characterized in that: through giving cond C2 charging, electric energy is provided for low-power scm U1 by cond C2, low-power scm U1 is resumed work.
3. a kind of new-energy automobile entire car controller awakening method according to claim 1, it is characterized in that: the operating voltage range of described low-power scm U1 is 1.8V-3.3V.
4. the used wake-up circuit of a kind of new-energy automobile entire car controller awakening method according to claim 1; It is characterized in that: this wake-up circuit mainly is made up of capacitor C 1, voltage transformer T, diode D, capacitor C 2, micro controller system U1, chip for driving U2 and relay K 1; CANH is connected with the input end of voltage transformer T with CANL; An input end at voltage transformer T is in series with capacitor C 1, and the positive terminal of diode D is connected on voltage transformer T mouth one side, and the negative pole end of diode D is connected with the positive pin of the power supply of low-power scm U1; The power-pin of low-power scm U1 is connected with voltage transformer T mouth opposite side; Between the power-and the positive pin of power supply of capacitor C 2 parallel connections and low-power scm U1, the output port pin of low-power scm U1 is connected with the input port of chip for driving U2, and chip for driving U2 is connected with relay K 1 low-voltage control circuit; High-pressure work port one end of relay K 1 is connected with the positive pole of entire car controller power supply BT; The other end is connected with the positive pin of the power supply of low-power scm, and key switch K2 is parallelly connected with relay K 1, and the negative pole of entire car controller power supply BT directly is connected with the power-pin of low-power scm U1.
CN201210011985.9A 2012-01-16 2012-01-16 Whole automobile controller awakening method and circuit for new energy automobile CN102555951B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210011985.9A CN102555951B (en) 2012-01-16 2012-01-16 Whole automobile controller awakening method and circuit for new energy automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210011985.9A CN102555951B (en) 2012-01-16 2012-01-16 Whole automobile controller awakening method and circuit for new energy automobile

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CN102555951A true CN102555951A (en) 2012-07-11
CN102555951B CN102555951B (en) 2014-05-28

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103235566A (en) * 2013-03-29 2013-08-07 安徽江淮汽车股份有限公司 Remote automobile monitoring system
CN103760796A (en) * 2013-12-31 2014-04-30 江苏宗申三轮摩托车制造有限公司 Electric control system of power main switch for motorized tricycle
CN103863223A (en) * 2012-12-17 2014-06-18 重庆长安汽车股份有限公司 Whole vehicle controller awakening system of electric vehicle
CN104354660A (en) * 2014-10-24 2015-02-18 华晨汽车集团控股有限公司 Electric energy distribution circuit for automobile
CN104477111A (en) * 2014-11-28 2015-04-01 深圳市航盛电子股份有限公司 Automobile main controller awakening system and automobile main controller awakening method as well as automobile
CN104615037A (en) * 2014-12-22 2015-05-13 厦门雅迅网络股份有限公司 CAN based vehicle-mounted equipment reminding device and method
CN105711520A (en) * 2016-04-27 2016-06-29 安徽江淮汽车股份有限公司 Power management circuit of vehicle control unit and control method thereof
CN107623619A (en) * 2017-09-19 2018-01-23 苏州国芯科技有限公司 The means of communication and equipment of a kind of CAN
US9892073B1 (en) 2014-10-06 2018-02-13 Master Lock Company Llc Bus addressing systems and methods using repurposed bits

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JP2005086692A (en) * 2003-09-10 2005-03-31 Calsonic Kansei Corp Gateway apparatus
CN101549673A (en) * 2009-05-08 2009-10-07 奇瑞汽车股份有限公司 Method and circuit for waking-up weak hybrid power entire car controller in dormant mode
CN201994692U (en) * 2011-01-28 2011-09-28 深圳市金溢科技有限公司 Vehicle-mounted unit
CN102263428A (en) * 2011-06-22 2011-11-30 武汉理工大学 Distributed battery management system (BMS) based on three-layer CAN (controller area network) network and self-powered characteristic

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005086692A (en) * 2003-09-10 2005-03-31 Calsonic Kansei Corp Gateway apparatus
CN101549673A (en) * 2009-05-08 2009-10-07 奇瑞汽车股份有限公司 Method and circuit for waking-up weak hybrid power entire car controller in dormant mode
CN201994692U (en) * 2011-01-28 2011-09-28 深圳市金溢科技有限公司 Vehicle-mounted unit
CN102263428A (en) * 2011-06-22 2011-11-30 武汉理工大学 Distributed battery management system (BMS) based on three-layer CAN (controller area network) network and self-powered characteristic

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103863223B (en) * 2012-12-17 2016-02-03 重庆长安汽车股份有限公司 A kind of vehicle control unit of electric vehicle waken system
CN103863223A (en) * 2012-12-17 2014-06-18 重庆长安汽车股份有限公司 Whole vehicle controller awakening system of electric vehicle
CN103235566A (en) * 2013-03-29 2013-08-07 安徽江淮汽车股份有限公司 Remote automobile monitoring system
CN103760796A (en) * 2013-12-31 2014-04-30 江苏宗申三轮摩托车制造有限公司 Electric control system of power main switch for motorized tricycle
CN103760796B (en) * 2013-12-31 2017-05-24 江苏宗申车业有限公司 Electric control system of power main switch for motorized tricycle
US9892073B1 (en) 2014-10-06 2018-02-13 Master Lock Company Llc Bus addressing systems and methods using repurposed bits
CN104354660A (en) * 2014-10-24 2015-02-18 华晨汽车集团控股有限公司 Electric energy distribution circuit for automobile
CN104477111A (en) * 2014-11-28 2015-04-01 深圳市航盛电子股份有限公司 Automobile main controller awakening system and automobile main controller awakening method as well as automobile
CN104615037A (en) * 2014-12-22 2015-05-13 厦门雅迅网络股份有限公司 CAN based vehicle-mounted equipment reminding device and method
CN104615037B (en) * 2014-12-22 2019-08-13 厦门雅迅网络股份有限公司 A kind of CAN bus based mobile unit Rouser and method
CN105711520A (en) * 2016-04-27 2016-06-29 安徽江淮汽车股份有限公司 Power management circuit of vehicle control unit and control method thereof
CN107623619A (en) * 2017-09-19 2018-01-23 苏州国芯科技有限公司 The means of communication and equipment of a kind of CAN

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