CN202481016U - Wake-up circuit of integral controller of new-energy vehicle - Google Patents
Wake-up circuit of integral controller of new-energy vehicle Download PDFInfo
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- CN202481016U CN202481016U CN2012200173878U CN201220017387U CN202481016U CN 202481016 U CN202481016 U CN 202481016U CN 2012200173878 U CN2012200173878 U CN 2012200173878U CN 201220017387 U CN201220017387 U CN 201220017387U CN 202481016 U CN202481016 U CN 202481016U
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Abstract
The utility model provides a wake-up circuit of an integral controller of a new-energy vehicle. The wake-up circuit can wake up the integral controller with a CAN (Controller Area Network) signal served as a triggering signal to maintain the integral controller to be back in normal service. The technical scheme is as follows: a wake-up method for an integral controller of a new-energy vehicle comprises the steps that a CAN line connected with a wake-up circuit transmits a CAN signal to the integral controller when a key switch is turned off and the integral controller is required to work which means that the integral controller is required to be waken up, and the CAN signal is processed by the wake-up circuit and then rectified to be the direct current to charge up a capacitor; after the voltage of the capacitor reaches the working voltage of a low-power consumption single chip in the wake-up circuit, the low-power consumption single chip is back in service to send a commands to a drive circuit so as to close a relay to switch on a power supply of the integral controller, therefore, the integral controller is back in normal service.
Description
Technical field
The utility model relates to new-energy automobile control technology field, a kind of specifically new-energy automobile entire car controller wake-up 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.
The utility model content
The technical matters that the utility model will solve provides a kind of new-energy automobile entire car controller wake-up 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 utility model 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 wake-up circuit; 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.
The beneficial effect of the utility model is:
The utility model 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 in the utility model.
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 utility model 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 (1)
1. new-energy automobile entire car controller wake-up circuit; It is characterized in that: this wake-up circuit 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200173878U CN202481016U (en) | 2012-01-16 | 2012-01-16 | Wake-up circuit of integral controller of new-energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200173878U CN202481016U (en) | 2012-01-16 | 2012-01-16 | Wake-up circuit of integral controller of new-energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202481016U true CN202481016U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200173878U Expired - Fee Related CN202481016U (en) | 2012-01-16 | 2012-01-16 | Wake-up circuit of integral controller of new-energy vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN202481016U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391136A (en) * | 2017-08-02 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of DC/DC converter wakes up system, vehicle low-voltage power supply system and vehicle |
| CN110843532A (en) * | 2019-11-29 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Low-voltage power distribution control device and method, electronic equipment and electric automobile |
| CN111942154A (en) * | 2020-07-28 | 2020-11-17 | 广州汽车集团股份有限公司 | Wake-up device for battery management system and vehicle |
| CN112918409A (en) * | 2019-12-06 | 2021-06-08 | 厦门雅迅网络股份有限公司 | Power supply management system and method |
-
2012
- 2012-01-16 CN CN2012200173878U patent/CN202481016U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391136A (en) * | 2017-08-02 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of DC/DC converter wakes up system, vehicle low-voltage power supply system and vehicle |
| CN109391136B (en) * | 2017-08-02 | 2023-11-17 | 宇通客车股份有限公司 | DC/DC converter awakening system, vehicle low-voltage power supply system and vehicle |
| CN110843532A (en) * | 2019-11-29 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Low-voltage power distribution control device and method, electronic equipment and electric automobile |
| CN112918409A (en) * | 2019-12-06 | 2021-06-08 | 厦门雅迅网络股份有限公司 | Power supply management system and method |
| CN112918409B (en) * | 2019-12-06 | 2023-09-29 | 厦门雅迅网络股份有限公司 | Power management system |
| CN111942154A (en) * | 2020-07-28 | 2020-11-17 | 广州汽车集团股份有限公司 | Wake-up device for battery management system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20130116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |