CN204557082U - Pure electric vehicle controller power waken system and power supply wake-up circuit - Google Patents

Pure electric vehicle controller power waken system and power supply wake-up circuit Download PDF

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Publication number
CN204557082U
CN204557082U CN201520025268.0U CN201520025268U CN204557082U CN 204557082 U CN204557082 U CN 204557082U CN 201520025268 U CN201520025268 U CN 201520025268U CN 204557082 U CN204557082 U CN 204557082U
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China
Prior art keywords
signal
power supply
circuit
wake
entire car
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CN201520025268.0U
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Chinese (zh)
Inventor
张彩庆
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北京长城华冠汽车科技有限公司
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Priority to CN201520025268.0U priority Critical patent/CN204557082U/en
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Publication of CN204557082U publication Critical patent/CN204557082U/en

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Abstract

The utility model is that relevant a kind of pure electric vehicle controller is powered waken system and power supply wake-up circuit.This pure electric vehicle controller is powered waken system, comprising: this power supply wake-up circuit; Vehicle-mounted low-tension supply, is electrically connected this power supply wake-up circuit; Charging accessory power supply, is electrically connected this power supply wake-up circuit; Entire car controller, is connected to the output terminal of this power supply wake-up circuit; And charging accessory power supply connection signal, automobile key switch signal, CAN transceiver signal, entire car controller latch signal divide level signal to connect this power supply wake-up circuit.This power supply wake-up circuit, comprising: trigger switch; When this charging accessory power supply connection signal, this automobile key switch signal, this CAN transceiver signal, entire car controller latch signal are high level signal, this trigger switch conducting.The utility model can utilize multiple power supplies to ensure entire car controller work.

Description

Pure electric vehicle controller power waken system and power supply wake-up circuit

Technical field

The application relates to a kind of pure electric automobile Electrical Control Technology, particularly a kind of pure electric vehicle controller power waken system and power supply wake-up circuit.

Background technology

Electrical system for pure electric vehicle mainly comprises low-voltage electric system, CAN communication network system and high-voltage electric system.Low-voltage electric system adopts 12V/24V direct supply, powers on the one hand for the conventional electrical appliance such as light, radio, provides power supply on the other hand for the controller such as entire car controller (VCU), battery management system (BMS); CAN communication network system is used for the communication realized between the controller of the modules such as entire car controller, BMS, charging set, DC/DC conversion, air-conditioner controller; High-voltage electric system mainly contains the high voltage electric equipment compositions such as electrokinetic cell bag, motor, electric machine controller, charging set, the conversion of DC/DC high pressure.

Find out thus, the Electronic controller module of electric automobile is many, wherein most of state of a control will be monitored by entire car controller, but some controller units (such as, BMS, CAN communication network system) again ignition switch disconnect after be not quit work at once, can quit work after time delay some time, during this, but power-off is out of service for entire car controller, just cannot monitor its state again.When initiation key is extracted or close, in the charge state, and battery management system, Vehicular charger or charging pile are in running order for electric automobile, and entire car controller is really in off-position, also just cannot monitor charging progress and state, car load safety cannot be ensured.

But, existing entire car controller does not possess multiple-way supply and energising wakes input signal and treatment circuit up, do not possess by CAN, Vehicular charger and charging plug wake-up mode, the charging low pressure accessory power supply work that vehicle-mounted/non-Vehicular charger particularly also cannot be utilized to provide yet.

In a word, electric motor car parts complexity is various, some functional defects of existing entire car controller existence more or less, therefore, necessary perfect further to existing entire car controller function, promotes safe reliability and the performance of entire car controller further.

Summary of the invention

Because defect existing for above-mentioned prior art, the purpose of this utility model is, provides a kind of pure electric vehicle controller to power waken system and power supply wake-up circuit thereof, can ensure entire car controller work utilize multiple power supplies.

To achieve these goals, to power wake-up circuit according to the one that the utility model proposes, it comprises: trigger switch; Vehicle-mounted low-tension supply access port, is electrically connected with the input end of this trigger switch; Charging accessory power supply access port, is electrically connected with the input end of this trigger switch; Voltage transformation module, is electrically connected with the output terminal of this trigger switch, and this voltage transformation module exports the power supply needed for entire car controller; Charging accessory power supply connection signal interface, is connected with this trigger switch signal, when this charging accessory power supply connection signal is high level signal (useful signal), and this trigger switch conducting; Automobile key switch signaling interface, is connected with the signal end signal of this trigger switch, when this automobile key switch signal is high level signal (useful signal), and this trigger switch conducting; CAN transceiver signaling interface, is connected with the signal end signal of this trigger switch, when this CAN transceiver signal is high level signal (useful signal), and this trigger switch conducting; And entire car controller latch signal interface, be connected with the signal end signal of this trigger switch, when this entire car controller latch signal is high level signal (useful signal), this trigger switch conducting.

The utility model also can be applied to the following technical measures to achieve further.

Aforesaid power supply wake-up circuit, wherein said trigger switch is isolated gate FET; This isolated gate FET the first biasing resistor in parallel; Connect the first commutation diode, this charging accessory power supply access port of this vehicle-mounted low-tension supply access port is connected after the second commutation diode and is connected with the drain electrode of this isolated gate FET respectively; The source electrode of this isolated gate FET connects this voltage transformation module; This charging accessory power supply connection signal interface tandem the 3rd commutation diode, automobile key switch signaling interface series connection the 4th commutation diode, CAN transceiver signaling interface series connection the 5th commutation diode, then to connect the first current-limiting resistance, be electrically connected with the base stage of triode, the collector of this triode is electrically connected with the grid of this isolated gate FET again; This entire car controller latch signal interface is electrically connected with the grid of this isolated gate FET through series connection photoelectrical coupler.

Aforesaid power supply wake-up circuit, this wherein said triode the second biasing resistor in parallel; Connect with this photoelectrical coupler after this entire car controller latch signal interface tandem second current-limiting resistance.

Aforesaid power supply wake-up circuit, wherein said voltage transformation module parallel filtering electric capacity.

To achieve these goals, a kind of pure electric vehicle controller that the utility model also proposes is powered waken system, and it comprises: aforesaid power supply wake-up circuit; Vehicle-mounted low-tension supply, is electrically connected this power supply wake-up circuit; Charging accessory power supply, is electrically connected this power supply wake-up circuit; Entire car controller, is connected to the output terminal of this power supply wake-up circuit; And charging accessory power supply connection signal, automobile key switch signal, CAN transceiver signal, entire car controller latch signal divide level signal to connect this power supply wake-up circuit.

The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, pure electric vehicle controller of the present utility model power waken system and power supply wake-up circuit, at least there is following advantages:

One, pure electric vehicle controller of the present utility model is powered waken system and power supply wake-up circuit thereof, and can connect multiple power supplies, having under transport condition or charged state is technique effect that entire car controller is powered.And then make entire car controller 4 can monitor other functional modules of automobile under a plurality of modes of operation.

Two, pure electric vehicle controller of the present utility model is powered waken system and power supply wake-up circuit thereof, has the technique effect ensureing entire car controller monitoring automobile other functional modules under a plurality of modes of operation.

Three, pure electric vehicle controller of the present utility model power waken system and power supply wake-up circuit, when vehicle-mounted 12V battery does not have energy, power supply can be provided by charging accessory power supply for entire car controller, ensure that entire car controller can monitor charged state; After automobile key is closed, entire car controller originally, after determining peripherals end-of-job, can quit work by auto-breaking; After peripherals is started working, the level triggers signal that can be sent by CAN or peripherals wakes entire car controller up, allows entire car controller coordinate modules and normally works.

Accompanying drawing explanation

Fig. 1 is that the utility model pure electric vehicle controller is powered the block diagram of waken system embodiment.

Fig. 2 is that the utility model is powered the schematic diagram of wake-up circuit one embodiment.

Embodiment

For further setting forth the utility model for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to waken system and its embodiment of power supply wake-up circuit, step, structure, feature and effect detailed description thereof of powering according to the pure electric vehicle controller that the utility model proposes.

Referring to shown in Fig. 1, is that the utility model pure electric vehicle controller is powered the block diagram of waken system embodiment.

The pure electric vehicle controller of the present embodiment is powered waken system, comprising: vehicle-mounted low-tension supply 1, charging accessory power supply 2, power supply wake-up circuit 3, entire car controller 4, automobile key switch signal 5, charging accessory power supply connection signal 6, CAN transceiver signal 7, entire car controller latch signal 8.

Power with this entire car controller respectively input end of wake-up circuit 3 of described charging accessory power supply 2, vehicle-mounted low-tension supply 1 is electrically connected, the output terminal of power supply wake-up circuit 3 is electrically connected with this entire car controller 4, for this entire car controller 4 provides required low-tension supply (such as 24V).

When described charging accessory power supply 2 refers to that pure electric automobile charges, except the high-voltage power supply provided to electrokinetic cell bag, auxiliary low pressure (such as, 24V) power supply.Pure electric automobile charging has various ways, such as, utilizes 220V or 3800V civil power, via after charging set (or charging pile) rectifying and pressure-regulating be electrokinetic cell bag charging, now, via charging set, road DC low-voltage (24V) accessory power supply can be provided simultaneously.Charging set can be vehicle-mounted or non-vehicle-mounted.

Described vehicle-mounted low-tension supply 1 can be vehicle-mounted 12V or 24V low-tension supply that battery provides, and also can be 12V or the 24V low-tension supply of high pressure (110V) power supply after inverter pressure regulation of vehicle mounted dynamic battery bag.

Described power supply wake-up circuit 3 receives multiple power supplies such as charging accessory power supply 2 and vehicle-mounted low-tension supply 1 etc. and powers for this entire car controller 4, can be that entire car controller 4 is powered at transport condition or charged state, entire car controller 4 can monitor other functional modules of automobile under a plurality of modes of operation.This power supply wake-up circuit 3 has trigger switch 20.

Described automobile key switch signal 5 is connected with this power supply wake-up circuit 3 signal, when this automobile key switch signal 5 is useful signal, and this trigger switch 20 conducting.Be useful signal when automobile key is opened or opened, automobile key is closed or is invalid signals when extracting.That is, when automobile key is opened, trigger switch 20 conducting of this power supply wake-up circuit 3 is powered for this entire car controller 4.

Described charging accessory power supply connection signal 6 is connected with this power supply wake-up circuit 3 signal, when this charging accessory power supply connection signal 5 is useful signal, and this trigger switch 20 conducting.When electric automobile connects external charging power supply, this charging accessory power supply connection signal 6 is useful signal, is invalid signals when not connecting.That is, when electric automobile connects external charging power supply, trigger switch 20 conducting of this power supply wake-up circuit 3 is powered for this entire car controller 4.

Described CAN transceiver signal 7 is connected with this power supply wake-up circuit 3 signal, when this CAN transceiver signal 7 is useful signal, and this trigger switch 20 conducting.In CAN communication system, such as, when having battery temperature control information, battery charge information, battery management information, this CAN transceiver signal 7 is effective information, but not as limit.That is, when electric automobile exists the duties such as battery temperature control, battery charging, battery management, trigger switch 20 conducting of this power supply wake-up circuit 3 is powered for this entire car controller 4, in order to monitor these duties.

Described entire car controller latch signal 8 is connected with this power supply wake-up circuit 3 signal, when this entire car controller latch signal 8 is useful signal, and this trigger switch 20 conducting.When being in the duties such as Electric Machine Control monitoring, gearbox shifting monitoring when entire car controller, this entire car controller latch signal 8 is effective information.That is, when the entire car controller 7 of electric automobile is in the duties such as Electric Machine Control monitoring, gearbox shifting monitoring, trigger switch 20 conducting of this power supply wake-up circuit 3 or remain on conducting state (self-locking state).

Shown in Fig. 2, be that the utility model is powered the schematic diagram of wake-up circuit 3 one embodiment.

In the present embodiment, the trigger switch 20 of described power supply wake-up circuit 3 is isolated gate FET (metal-oxide-semiconductors).This power supply wake-up circuit 3 externally picks out each signal via the water proof and dust proof connector socket 11 of spininess.The positive pole of this vehicle-mounted low-tension supply 1 is linked into the 11-20 pin of this connector socket 11, and this 11-20 pin is connected and is connected to isolated gate FET (metal-oxide-semiconductor) 20 after the first commutation diode 12 and drains.The positive pole of this charging accessory power supply 2 is linked into the 11-16 pin of this connector socket 11, and this 11-16 pin is connected and is connected to the drain electrode of isolated gate FET (metal-oxide-semiconductor) 20 after the second commutation diode 13.The input end of this isolated gate FET (metal-oxide-semiconductor) 20 source electrode electrical connection voltage transformation module 22, this voltage transformation module 22 output terminal connects this entire car controller 4, and this voltage transformation module 22, for direct current transformation, exports 5V direct supply.This voltage transformation module 22 output terminal parallel filtering electric capacity 24.

This charging accessory power supply connection signal 6 is linked into the 11-11 pin of this connector socket 11, be connected in the base stage of triode 21 after this 11-11 pin series connection the 3rd commutation diode 14 and the first current-limiting resistance 18, the collector of this triode 21 is connected with the grid of this isolated gate FET 20.When accessory power supply connection signal 6 of charging is high level signal (useful signal), triode 21 conducting, then isolated gate FET 20 then conducting; When accessory power supply connection signal 6 of charging is low level signal (invalid signals), this triode 21 ends, and isolated gate FET 20 is closed.This triode 21 is parallel with the second biasing resistor 19.

This automobile key switch signal 5 is linked into the 11-7 pin of this connector socket 11, and this first current-limiting resistance 18 of series connection after this 11-7 pin series connection the 4th commutation diode 15, is connected in the base stage of this triode 21; When automobile key switch signal 5 is high level signal (useful signal), this triode 21 conducting, then isolated gate FET 20 then conducting; When this automobile key switch signal 5 is low level signal (invalid signals), this triode 21 ends, and this isolated gate FET 20 is closed.

This CAN transceiver signal 7 is linked into the 11-3 pin of this connector socket 11, and series connection the first resistance 18 after this 11-3 pin series connection the 5th commutation diode 16, is connected in the base stage of triode 21.When CAN transceiver signal 7 is high level signal (useful signal), this triode 21 conducting, then isolated gate FET 20 then conducting; When CAN transceiver signal 7 is low level signal (invalid signals), this triode 21 ends, and this isolated gate FET 20 is closed;

This entire car controller latch signal 8 connect the second current-limiting resistance 25, be connected with the grid of this isolated gate FET 20 after photoelectrical coupler 23.When entire car controller latch signal 8 (CTL1) is for high level (useful signal), this photoelectrical coupler 23 conducting, triggers this isolated gate FET 20 conducting and keeps conducting state.By entire car controller latch signal 8 (CTL1), can keep and turn off entire car controller 4 power supply.

The pure electric vehicle controller of the present embodiment is powered waken system, after charging accessory power supply 2 accesses, even if vehicle-mounted A-battery 1 is under-voltage, entire car controller 4 also has power supply to input, can normally work, can each functional module working condition of complete monitoring (such as, the charging of electric automobile power battery bag control, temperature control etc.).

The pure electric vehicle controller of the present embodiment is powered waken system, when vehicle-mounted low-tension supply 1 normal power supply, four road enable signals (charging accessory power supply connection signal 6, automobile key switch signal 5, CAN transceiver signal 7, entire car controller latch signal 8), any road is effective, entire car controller 4 just has power supply supply, can normally work.Wherein, when outside three road enable signals (charging accessory power supply connection signal 6, automobile key switch signal 5, CAN transceiver signal 7) are invalid signals, when entire car controller 4 is finished the work, automatically power supply is closed.In the situation that automobile key is closed, if charging accessory power supply access automobile (charged state), produce useful signal, trigger switch 20 turn-on power of power supply wake-up circuit 2, start entire car controller 4 and work.When automobile key is by when being opened to closed, because the part control module of automobile is also in work (such as battery management system module), now remained valid by CAN transceiver signal or with the power supply wake-up circuit 2 of this signal conduction (waking up) entire car controller 4, ensure that the supply of entire car controller 4 power supply is normal.

Although the application discloses as above with preferred embodiment, so and be not used to limit the scope that the application implements, the simple equivalence change done of claims and description according to the application with modify, still belong to the scope of technical scheme.

Claims (5)

1. a power supply wake-up circuit, is characterized in that it comprises:
Trigger switch;
Vehicle-mounted low-tension supply access port, is electrically connected with the input end of this trigger switch;
Charging accessory power supply access port, is electrically connected with the input end of this trigger switch;
Voltage transformation module, is electrically connected with the output terminal of this trigger switch, and this voltage transformation module exports the power supply needed for entire car controller;
Charging accessory power supply connection signal interface, is connected with this trigger switch signal, when this charging accessory power supply connection signal is high level signal, and this trigger switch conducting;
Automobile key switch signaling interface, is connected with the signal end signal of this trigger switch, when this automobile key switch signal is high level signal, and this trigger switch conducting;
CAN transceiver signaling interface, is connected with the signal end signal of this trigger switch, when this CAN transceiver signal is high level signal, and this trigger switch conducting; And
Entire car controller latch signal interface, is connected with the signal end signal of this trigger switch, when this entire car controller latch signal is high level signal, and this trigger switch conducting.
2. to power as claimed in claim 1 wake-up circuit, it is characterized in that wherein said trigger switch is isolated gate FET; This isolated gate FET the first biasing resistor in parallel; Connect the first commutation diode, this charging accessory power supply access port of this vehicle-mounted low-tension supply access port is connected after the second commutation diode and is connected with the drain electrode of this isolated gate FET respectively; The source electrode of this isolated gate FET connects this voltage transformation module; This charging accessory power supply connection signal interface tandem the 3rd commutation diode, automobile key switch signaling interface series connection the 4th commutation diode, CAN transceiver signaling interface series connection the 5th commutation diode, then to connect the first current-limiting resistance, be electrically connected with the base stage of triode, the collector of this triode is electrically connected with the grid of this isolated gate FET again; This entire car controller latch signal interface is electrically connected with the grid of this isolated gate FET through series connection photoelectrical coupler.
3. to power as claimed in claim 2 wake-up circuit, it is characterized in that wherein said triode the second biasing resistor in parallel; Connect with this photoelectrical coupler after this entire car controller latch signal interface tandem second current-limiting resistance.
4. to power as claimed in claim 1 wake-up circuit, it is characterized in that wherein said voltage transformation module parallel filtering electric capacity.
5. pure electric vehicle controller is powered a waken system, it is characterized in that it comprises:
Power supply wake-up circuit according to any one of Claims 1-4;
Vehicle-mounted low-tension supply, is electrically connected this power supply wake-up circuit;
Charging accessory power supply, is electrically connected this power supply wake-up circuit;
Entire car controller, is connected to the output terminal of this power supply wake-up circuit; And
Charging accessory power supply connection signal, automobile key switch signal, CAN transceiver signal, entire car controller latch signal divide level signal to connect this power supply wake-up circuit.
CN201520025268.0U 2015-01-14 2015-01-14 Pure electric vehicle controller power waken system and power supply wake-up circuit CN204557082U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105515094A (en) * 2015-12-04 2016-04-20 合肥工业大学 Charging wake-up circuit of battery management system
CN107306043A (en) * 2016-04-25 2017-10-31 华为技术有限公司 The control method of charging Rouser and the Rouser that charges
CN107487201A (en) * 2016-12-15 2017-12-19 宝沃汽车(中国)有限公司 Charge awakening method, battery management system and vehicle
CN108170133A (en) * 2018-01-26 2018-06-15 安徽江淮汽车集团股份有限公司 A kind of remote fault diagnosis method and system
US10363825B2 (en) 2017-01-26 2019-07-30 Borgward Trademark Holdings Gmbh Method, battery management system and vehicle for charging awakening

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105515094A (en) * 2015-12-04 2016-04-20 合肥工业大学 Charging wake-up circuit of battery management system
CN107306043A (en) * 2016-04-25 2017-10-31 华为技术有限公司 The control method of charging Rouser and the Rouser that charges
CN107487201A (en) * 2016-12-15 2017-12-19 宝沃汽车(中国)有限公司 Charge awakening method, battery management system and vehicle
US10363825B2 (en) 2017-01-26 2019-07-30 Borgward Trademark Holdings Gmbh Method, battery management system and vehicle for charging awakening
CN108170133A (en) * 2018-01-26 2018-06-15 安徽江淮汽车集团股份有限公司 A kind of remote fault diagnosis method and system

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CP03 Change of name, title or address

Address after: 101300 the 4 Building (1) of Beijing science and Technology Innovation Zone, Renjun North Street, Renhe Town, Shunyi District.

Patentee after: BEIJING CHANGCHENG HUAGUAN AUTOMOBILE TECHNOLOGY CO., LTD.

Address before: 101300 Beijing Shunyi District Tianzhu Airport Industrial Zone B Yuhua road a 29

Patentee before: CH AUTO TECHNOLOGY CORPORATION LTD.

CP03 Change of name, title or address