CN104890532A - Electrical control system for pure electric bus - Google Patents

Electrical control system for pure electric bus Download PDF

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Publication number
CN104890532A
CN104890532A CN201510367765.3A CN201510367765A CN104890532A CN 104890532 A CN104890532 A CN 104890532A CN 201510367765 A CN201510367765 A CN 201510367765A CN 104890532 A CN104890532 A CN 104890532A
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CN
China
Prior art keywords
bms
computer
battery management
pure electric
controller
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CN201510367765.3A
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Chinese (zh)
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CN104890532B (en
Inventor
罗志辉
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珠海市广通客车有限公司
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Publication of CN104890532A publication Critical patent/CN104890532A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

Abstract

The invention discloses and provides an electrical control system, with excellent performance, for a pure electric bus. The electrical control system comprises a power battery set (1), a drive motor (2) and a motor controller (3), wherein an operation control circuit (4) is arranged in the motor controller (30; the drive motor (2) is connected with a drive wheel of a bus; the system further comprises a whole bus controller (5), a battery management system BMS upper computer (6), a BMS display screen (7) electrically connected with the battery management system BMS upper computer, a combined meter (8), an electronic brake system (9), a blast pump motor (10), a steering-assisted oil pump motor (11), an input/output module (12) and a first power supply converter (13). The electrical control system disclosed by the invention can drive the pure electric bus to be more excellent in performance which is as excellent as that of a modern oil-driven bus, is free of pollution, environmentally-friendly and energy-saving. The electrical control system can be applied to the field of vehicle engineering.

Description

A kind of electric control system of pure electric coach
Technical field
The present invention relates to pure electric coach, particularly relate to the electric control system of pure electric coach.
Background technology
New-energy automobile is in industry very noticeable, and pure electric coach protects as zero-emission, no pollution, low carbon ring the favor being subject to people especially.But, since pure electric coach emerges, because the time is short, standard disunity, developed the factors such as unbalanced, caused the design of pure electric coach car load electric control system, manufacture and all there is numerous weak point.As everyone knows, current automobile electric control system can be described as suitable prosperity, and coach luxury coach is very careful especially.How pure electric coach is accomplished to compare favourably with it, waits insider and makes joint efforts.
Summary of the invention
Technical matters to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of pure electric coach electric control system of function admirable.
The technical solution adopted in the present invention is: native system comprises power battery pack, drive motor and electric machine controller, fortune control circuit is provided with in described electric machine controller, described drive motor is connected with the drive wheel of passenger vehicle, this system also comprises entire car controller, battery management system BMS upper computer, the BMS read-out be electrically connected with described battery management system BMS upper computer, combination instrument, electronic brake system,electronic antiskid system, inflation pump motor, steering pump motor, input/output module and the first supply convertor, described combination instrument, described input/output module is all connected with described entire car controller, described battery management system BMS upper computer is connected with described entire car controller, described electronic brake system,electronic antiskid system is all connected with described fortune control circuit and described entire car controller, described inflation pump motor is connected with described input/output module by air pump motor controller, described steering pump motor is connected with described input/output module by steering pump electric machine controller, described power battery pack is connected with described first supply convertor by a circuit breaker, described circuit breaker is connected with described fortune control circuit by the first vacuum contactor, one end of described power battery pack is provided with battery management system BMS lower computer, described battery management system BMS lower computer is connected with described battery management system BMS upper computer.
Further, described system also comprises second source changer and pure electric air-conditioning, and described second source changer is connected with described pure electric air-conditioning, and described pure electric air-conditioning is also connected with high-tension current defogger.
Further, described system also comprises the second vacuum contactor and the 3rd vacuum contactor, described second vacuum contactor is connected with described battery management system BMS upper computer, described circuit breaker, described pure electric air-conditioning, described high-tension current defogger and described second source changer respectively, and described 3rd vacuum contactor is connected with described battery management system BMS upper computer, described circuit breaker, air pump motor controller and described steering pump electric machine controller respectively.
Further, the link between described circuit breaker and described electrode controller is also provided with precharging circuit, described precharging circuit is also connected with described battery management system BMS upper computer.
Further, described input/output module is also connected with BK Brake Switch on pure electric coach, signal, baroswitch and dryer switch are kneeled in shift tower, car door signal, side, and described electric machine controller is connected with efp.
The invention has the beneficial effects as follows: the present invention it there is following technical characterstic:
1, car load power system assembly is refused motor and driving control system for electric machine and ancillary system formed by high-power being turned round greatly;
2, car load adopts the straight drive system of drive motor, there is stepless shift function, drive identical with common Automatic Transmission vehicle with operating habit, operated clutch and speed change is not needed to select gear shift, mechanical drive part connects simpler, not only increase driving efficiency, also make reliability higher, sufficient power can be provided for car load under various road conditions and operating mode.Car load is equipped with intelligent management, reports to the police in certain course continuation mileage, supplements electricity.Car load provides external intelligent charge pattern, ensures the normal operation of vehicle;
3, during braking, motor has the braking effect stronger than current vortex retarder, the wearing and tearing of vehicle brake-holder block is down to minimum, drives more safe and reliable; Braking energy also can reclaim simultaneously, economize energy;
4, car load has intelligent temperature control management, ensures that motor works in operating temperature;
5, car load is equipped with intelligent control system, run at car load and under charge condition, car load running state and auto electrical appliance and battery status are monitored in real time, and reacted intuitively to car load operating personal by the special instrument desk of battery-driven car and management system read-out, guarantee that car load is steadily runed under good order and condition;
6, full car outfit heavy-duty motor drives car load, and drive motor is as sole power source for car load provides power, and car load runs and adopts electric-only mode completely;
7, car load cooling system adopts water-cooling pattern to cool motor and control box; And mounting temperature sensor controls cooling system temperature and monitors, and cuts off power system in time, protect car load when cooling system temperature exceedes control temperature;
8, car load adopts pure electric operation pattern, and the whole power system of car load, a/c system and electric oil pump and electric air pump ancillary system are all supplied by battery pack storing electricity, achieves the zero-emission of car load harmful substance;
9, car load brake system adopts battery-driven car special-purpose air compressor, is driven by separate electrical motor, ensures air pressure needed for car load, meets the normal operation of brake system and auxiliary gas system; And load releasing valve is installed, carry out drain charge when car load air pressure exceedes the highest demarcation air pressure.
So electric control system of the present invention, it is more excellent to order about pure electric coach performance, can compare favourably with the performance of the dynamic passenger vehicle of modern times oil, and pollution-free, and environmental protection and energy saving are a kind of brand-new electrobus electric systems.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Detailed description of the invention
As shown in Figure 1, the present invention includes power battery pack 1, drive motor 2 and electric machine controller 3, fortune control circuit 4 is provided with in described electric machine controller 3, described drive motor 2 is connected with the drive wheel of passenger vehicle, this system also comprises entire car controller 5, battery management system BMS upper computer 6, the BMS read-out 7 be electrically connected with described battery management system BMS upper computer 6, combination instrument 8, electronic brake system,electronic antiskid system 9, inflation pump motor 10, steering pump motor 11, input/output module 12 and the first supply convertor 13, described combination instrument 8, described input/output module 12 is all connected with described entire car controller 5, described battery management system BMS upper computer 6 is connected with described entire car controller 5, described electronic brake system,electronic antiskid system 9 is all connected with described fortune control circuit 4 and described entire car controller 5, described inflation pump motor 10 is connected with described input/output module 12 by air pump motor controller 14, described steering pump motor 11 is connected with described input/output module 12 by steering pump electric machine controller 15, described power battery pack 1 is connected with described first supply convertor 13 by a circuit breaker 16, described circuit breaker 16 is connected with described fortune control circuit 4 by the first vacuum contactor 17, one end of described power battery pack 1 is provided with battery management system BMS lower computer 18, described battery management system BMS lower computer 18 is connected with described battery management system BMS upper computer 6.
Described system also comprises second source changer 19 and pure electric air-conditioning 20, and described second source changer 19 is connected with described pure electric air-conditioning 20, and described pure electric air-conditioning 20 is also connected with high-tension current defogger 21.Described system also comprises the second vacuum contactor 22 and the 3rd vacuum contactor 23, described second vacuum contactor 22 is connected with described battery management system BMS upper computer 6, described circuit breaker 16, described pure electric air-conditioning 20, described high-tension current defogger 21 and described second source changer 19 respectively, and described 3rd vacuum contactor 23 is connected with described battery management system BMS upper computer 6, described circuit breaker 16, air pump motor controller 14 and described steering pump electric machine controller 15 respectively.Link between described circuit breaker 16 and described electrode controller 3 is also provided with precharging circuit 24, and described precharging circuit 24 is also connected with described battery management system BMS upper computer 6.Described input/output module 12 is also connected with BK Brake Switch 26 on pure electric coach, signal 29, baroswitch 30 and dryer switch 31 are kneeled in shift tower 27, car door signal 28, side, and described electric machine controller 3 is connected with efp 25.
The present invention is described below in conjunction with the present embodiment:
1, drive motor controls
(1) vehicle is without change speed gear box, motor direct-drive drive axle, electrodeless variable-speed.
(2) throttle signal, efp directly links to drive motor controller.
(3) precharging circuit of electric machine controller and the vacuum contactor of input power thereof are by battery management system BMS PC control.
(4) gear signal is gathered by entire car controller, sends to electric machine controller by the mode of J1939 CAN message.In this strategy, J1939 CAN BUS also claims power CAN.
When Men Weiguan or vehicle kneel state in side, vehicle can not start.Kneel state by entire car controller detecting gate state and side, and judge, then determine the gear information being sent to power CAN.When car door does not close and/or side kneels state, no matter shift tower is in any position, all sends neutral gear message, and instrument does not show gear simultaneously.Only have when successfully entering certain gear, instrument just shows current gear.
(5) motor limit power controls.
Monomer battery voltage lower than 3.0V or SOC lower than when equaling 30%, battery management system BMS upper computer sends the mode by sending message, alerting signal is sent to power CAN, vehicle control unit controls instrument execution sound, light are reported to the police, and send limit power instruction to power CAN, after electric machine controller receives, start to enter limit power mode.
(6) motor stopping controls.
When monomer battery voltage lower than 2.5V or battery temperature too high; battery management system BMS upper computer sends the mode by sending message; alerting signal is sent to power CAN; vehicle control unit controls instrument execution sound, light are reported to the police; and send halt instruction to power CAN; after electric machine controller receives, start to shut down.
When the cooling system of motor or electric machine controller is out of order or other reasons causes the temperature of motor or electric machine controller too high; electric machine controller enters protection (shutdown) pattern; concurrent warning message of delivering newspaper is to power CAN, and after entire car controller receives message, control instrument execution sound, light are reported to the police.
(7) energy regenerating: slide and reclaim and braking recovery.
Vehicle at a particular speed, is totally released Das Gaspedal, and motor controller controls drive motor carries out braking to a certain degree to vehicle, and electric control system becomes electrical generator and charges the battery.
Vehicle at a particular speed, is totally released Das Gaspedal, and steps on brake pedal, and motor controller controls drive motor carries out braking to a certain degree to vehicle, and electric control system becomes electrical generator and charges the battery.
2, inflation pump controls
(1) inflation pump control requirement: inflation pump brake system gaholder air pressure lower than during 6.2MPa or airsuspension system gaholder air pressure lower than when equaling lower than 6.2MPa, inflation pump is started working, until dryer exhaust just stopping.
(2) entire car controller detects brake system gaholder baroswitch and airsuspension system gaholder baroswitch, dryer air discharge cook, if satisfied condition, output enable signal (switching value) is to inflation pump electric machine controller.
3, steering pump controls
In order to energy-conservation needs, just steering pump only works under D Drive or reverse actv. state, do not work during neutral gear.Because gear switch during normal driving vehicle all will through neutral gear, all when being set as being switched to neutral gear from non-neutral gear steering pump do not quit work immediately, but time delay stops for 20 seconds.
4, high-tension current defogger: power supply is by battery management system BMS PC control.
5, supply convertor controls: namely DC-DC controls: full car has 2 each DC-DC, and namely the first supply convertor 13 and second source changer 19. 1 power supplys connect after primary cutoff.Another power supply connects after the second vacuum contactor, is controlled by BMS upper computer.
6, air conditioning control source is by battery management system BMS PC control.
Carry the pure electric coach of electric control system of the present invention, it is the brand-new full-bearing type product developed, there is the advantage of zero-emission, good economy, dynamic property, safety, stand alone type top-mounted air conditioner successful, elegant in appearance, broad view, the features such as ride comfort, are applicable to the bus transportation in each city.In addition, it also has good electrical specification and control system.
The present invention can be applicable to Vehicle Engineering.

Claims (5)

1. the electric control system of a pure electric coach, it is characterized in that: this system comprises power battery pack (1), drive motor (2) and electric machine controller (3), fortune control circuit (4) is provided with in described electric machine controller (3), described drive motor (2) is connected with the drive wheel of passenger vehicle, this system also comprises entire car controller (5), battery management system BMS upper computer (6), the BMS read-out (7) be electrically connected with described battery management system BMS upper computer (6), combination instrument (8), electronic brake system,electronic antiskid system (9), inflation pump motor (10), steering pump motor (11), input/output module (12) and the first supply convertor (13), described combination instrument (8), described input/output module (12) is all connected with described entire car controller (5), described battery management system BMS upper computer (6) is connected with described entire car controller (5), described electronic brake system,electronic antiskid system (9) is all connected with described fortune control circuit (4) and described entire car controller (5), described inflation pump motor (10) is connected with described input/output module (12) by air pump motor controller (14), described steering pump motor (11) is connected with described input/output module (12) by steering pump electric machine controller (15), described power battery pack (1) is connected with described first supply convertor (13) by a circuit breaker (16), described circuit breaker (16) is connected with described fortune control circuit (4) by the first vacuum contactor (17), one end of described power battery pack (1) is provided with battery management system BMS lower computer (18), described battery management system BMS lower computer (18) is connected with described battery management system BMS upper computer (6).
2. the electric control system of a kind of pure electric coach according to claim 1, it is characterized in that: described system also comprises second source changer (19) and pure electric air-conditioning (20), described second source changer (19) is connected with described pure electric air-conditioning (20), and described pure electric air-conditioning (20) is also connected with high-tension current defogger (21).
3. the electric control system of a kind of pure electric coach according to claim 2, it is characterized in that: described system also comprises the second vacuum contactor (22) and the 3rd vacuum contactor (23), described second vacuum contactor (22) respectively with described battery management system BMS upper computer (6), described circuit breaker (16), described pure electric air-conditioning (20), described high-tension current defogger (21) and described second source changer (19) connect, described 3rd vacuum contactor (23) respectively with described battery management system BMS upper computer (6), described circuit breaker (16), air pump motor controller (14) and described steering pump electric machine controller (15) connect.
4. the electric control system of a kind of pure electric coach according to claim 3, it is characterized in that: the link between described circuit breaker (16) and described electrode controller (3) is also provided with precharging circuit (24), described precharging circuit (24) is also connected with described battery management system BMS upper computer (6).
5. the electric control system of a kind of pure electric coach according to claim 4, it is characterized in that: described input/output module (12) is also connected with BK Brake Switch (26) on pure electric coach, signal (29), baroswitch (30) and dryer switch (31) are kneeled in shift tower (27), car door signal (28), side, and described electric machine controller (3) is connected with efp (25).
CN201510367765.3A 2015-06-29 2015-06-29 A kind of electric control system of pure electric coach CN104890532B (en)

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CN104890532B CN104890532B (en) 2018-03-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106218546A (en) * 2016-07-27 2016-12-14 中材高新成都能源技术有限公司 Pure electric bus electric-control system
CN107336605A (en) * 2016-01-19 2017-11-10 上海卡耐新能源有限公司 A kind of battery pack automatic protection mechanism of electric automobile
CN108621989A (en) * 2018-06-14 2018-10-09 安徽安凯汽车股份有限公司 A kind of novel auxiliary drive configuration system
CN111055723A (en) * 2019-12-26 2020-04-24 深圳市德塔防爆电动汽车有限公司 Energy efficiency management method and system for explosion-proof automobile

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CN201553048U (en) * 2009-07-14 2010-08-18 吉林大学 A pure electric motor coach
US20110320109A1 (en) * 2010-05-25 2011-12-29 Fiat Group Automobiles S.P.A. Automotive Electrical System Operation Management During Coasting and with Engine Off
CN102501774A (en) * 2011-11-09 2012-06-20 苏州海格新能源汽车电控系统科技有限公司 Directly-driven power system for pure electric bus
CN102544608A (en) * 2010-12-31 2012-07-04 欣旺达电子股份有限公司 Full-charging static balancing method and system for automobile lithium battery
CN203705871U (en) * 2014-01-29 2014-07-09 陕西汽车集团有限责任公司 Lower computer of lithium ion power battery management system

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Publication number Priority date Publication date Assignee Title
CN201304907Y (en) * 2008-11-26 2009-09-09 扬州飞驰动力科技有限公司 Pure electric car system
CN201553048U (en) * 2009-07-14 2010-08-18 吉林大学 A pure electric motor coach
US20110320109A1 (en) * 2010-05-25 2011-12-29 Fiat Group Automobiles S.P.A. Automotive Electrical System Operation Management During Coasting and with Engine Off
CN102544608A (en) * 2010-12-31 2012-07-04 欣旺达电子股份有限公司 Full-charging static balancing method and system for automobile lithium battery
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107336605A (en) * 2016-01-19 2017-11-10 上海卡耐新能源有限公司 A kind of battery pack automatic protection mechanism of electric automobile
CN106218546A (en) * 2016-07-27 2016-12-14 中材高新成都能源技术有限公司 Pure electric bus electric-control system
CN106218546B (en) * 2016-07-27 2019-04-30 中材高新成都能源技术有限公司 Pure electric vehicle bus electric-control system
CN108621989A (en) * 2018-06-14 2018-10-09 安徽安凯汽车股份有限公司 A kind of novel auxiliary drive configuration system
CN111055723A (en) * 2019-12-26 2020-04-24 深圳市德塔防爆电动汽车有限公司 Energy efficiency management method and system for explosion-proof automobile

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