CN105922892A - Electrical control system for small multifunctional environmental sanitation electric vehicle - Google Patents

Electrical control system for small multifunctional environmental sanitation electric vehicle Download PDF

Info

Publication number
CN105922892A
CN105922892A CN201610406338.6A CN201610406338A CN105922892A CN 105922892 A CN105922892 A CN 105922892A CN 201610406338 A CN201610406338 A CN 201610406338A CN 105922892 A CN105922892 A CN 105922892A
Authority
CN
China
Prior art keywords
motor
right rear
left back
circuit
rear motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610406338.6A
Other languages
Chinese (zh)
Inventor
曾洁
张先令
曾奕哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Jiaotong University
Original Assignee
Dalian Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian Jiaotong University filed Critical Dalian Jiaotong University
Priority to CN201610406338.6A priority Critical patent/CN105922892A/en
Publication of CN105922892A publication Critical patent/CN105922892A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/28—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed without contact making and breaking, e.g. using a transductor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2036—Electric differentials, e.g. for supporting steering vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/04—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of separate power sources
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/10—Electrical machine types
    • B60L2220/16—DC brushless machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/44—Control modes by parameter estimation
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

The invention discloses an electrical control system for a small multifunctional environmental sanitation electric vehicle. The electrical control system comprises a system master controller, a left rear motor control circuit, a left rear motor power driver, a left rear motor inverter circuit, a left rear hub motor, a left rear motor zero cross detection circuit, a left rear motor overcurrent protection circuit, a right rear motor control circuit, a right rear motor power driver, a right rear motor inverter circuit, a right rear hub motor, a right rear motor zero cross detection circuit, a right rear motor overcurrent protection circuit, a signal acquisition module, a storage battery, a charging interface, a CAN communication interface, a disc sweeping motor and a spraying water pump. The electrical control system has the beneficial effects that a mechanical transmission mechanism of the vehicle is greatly simplified, the speed adjusting range is wide, the speed adjusting performance is smooth, the starting torque is large, control is easy, operation is reliable, efficiency is high, maintenance is free, the service life is long, the noise generated in the operation process is extremely low, and the system is suitable for working in a public place.

Description

Small-size multifunction environmental sanitation electric motor car electric control system
Technical field
The present invention relates to electric motor car electric control system field, particularly a kind of small-size multifunction environmental sanitation electric motor car electric control system.
Background technology
Along with Urbanization in China is accelerated, its evolution inevitably brings a series of urban environmental hygiene problem.Nowadays human cost improves constantly, and uses manpower carry out urban environment maintenance and clean not only inefficiency, and increases government finance expenditure.At present, domestic environmental sanitation Machinery Market demand is the most vigorous, market prospect is huge, and supply falls short of demand for environmental sanitation machinery, especially disclosure satisfy that the vacancy of the small-sized sanitation electric motor car of the place such as limited road, venue, wait (machine) Room, market and large buildings cleaning demand is huge.Tradition environmental sanitation electric motor car uses common motor as the driving motor of vehicle, the vehicle common mechanical drive mechanism using the type driving motor is more complicated, environmental sanitation whole electric vehicle contour structures is relatively big, is not suitable for being operated in limited road and the above-mentioned public place that the crowd is dense.
Summary of the invention
In view of domestic development and production small-sized sanitations plant equipment producer is less, the present invention be directed to the small-size multifunction environmental sanitation electric motor car electric control system of hub-type Brushless DC drive motor, this control system has the plurality of advantages such as low cost, energy-efficient, use is simple, it is possible to meet the requirement as small-size multifunction environmental sanitation electric vehicle control system.
nullThe present invention includes system master controller、Left back circuit for controlling motor、Left back power of motor drives、Left back motor inverter circuit、Left back wheel hub motor、Left back motor zero cross detection circuit、Left back over current of motor is protected、Right rear motor control circuit、Right rear motor power drive、Right rear motor inverter circuit、Off hind wheel hub motor、Right rear motor zero cross detection circuit、Right rear motor overcurrent protection、Signal acquisition module、Storage battery、Charging inlet、CAN communication interface、Sweep coil motor and spray water pump，Signal acquisition module connection system master controller，System master controller connects CAN communication interface respectively、Sweep coil motor、Spray water pump、Storage battery、Left back circuit for controlling motor and right rear motor control circuit，Left back circuit for controlling motor connects left back power of motor respectively and drives、Left back motor inverter circuit and left back wheel hub motor，Left back wheel hub motor connects left back motor zero cross detection circuit and the protection of left back over current of motor respectively，Left back motor zero cross detection circuit and the protection of left back over current of motor connect left back circuit for controlling motor respectively，Right rear motor control circuit connects right rear motor power drive respectively、Right rear motor inverter circuit and off hind wheel hub motor，Off hind wheel hub motor connects right rear motor zero cross detection circuit and right rear motor overcurrent protection respectively，Right rear motor zero cross detection circuit and right rear motor overcurrent protection connect right rear motor control circuit respectively，Storage battery connects left back circuit for controlling motor respectively、Left back power of motor drives、Left back motor inverter circuit、Right rear motor control circuit、Right rear motor power drive、Right rear motor inverter circuit、Sweep coil motor、Spray water pump，Charging inlet connects storage battery.
The driving of described left back circuit for controlling motor, left back power of motor, the protection of left back motor inverter circuit, left back wheel hub motor, left back motor zero cross detection circuit, left back over current of motor control to connect left rear wheel respectively, and right rear motor control circuit, right rear motor power drive, right rear motor inverter circuit, off hind wheel hub motor, right rear motor zero cross detection circuit, right rear motor overcurrent protection control to connect off hind wheel respectively.
Described signal acquisition module includes gear, corner, braking, accelerator pedal, motor speed, avoidance detection, sweeps dish switch, spray switch, cell voltage, battery temperature.
Described left back wheel hub motor, off hind wheel hub motor are hub-type brushless direct current motor.
The invention have the advantages that
(1) present invention uses hub-type brushless direct current motor as vehicle traction motor so that the mechanical transmission mechanism of vehicle is greatly simplified.
(2) present invention uses electronic differential technology to realize the traveling gesture stability of vehicle, system master controller controls relevant parameter by collection vehicle, calculate the controlled quentity controlled variable of each wheel hub motor according to differential control algorithm, directly output controls the rotating speed of left and right wheel hub motor to realize vehicle operation and differential steering.
(3) the hub-type brushless direct current motor operationally noise that the present invention uses is extremely low, is suitable for working in public places.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the small-size multifunction environmental sanitation electric motor car electric control system of the present invention.
Detailed description of the invention
nullAs shown in Figure 1，The present invention includes system master controller、Left back circuit for controlling motor、Left back power of motor drives、Left back motor inverter circuit、Left back wheel hub motor、Left back motor zero cross detection circuit、Left back over current of motor is protected、Right rear motor control circuit、Right rear motor power drive、Right rear motor inverter circuit、Off hind wheel hub motor、Right rear motor zero cross detection circuit、Right rear motor overcurrent protection、Signal acquisition module、Storage battery、Charging inlet、CAN communication interface、Sweep coil motor and spray water pump，Signal acquisition module connection system master controller，System master controller connects CAN communication interface respectively、Sweep coil motor、Spray water pump、Storage battery、Left back circuit for controlling motor and right rear motor control circuit，Left back circuit for controlling motor connects left back power of motor respectively and drives、Left back motor inverter circuit and left back wheel hub motor，Left back wheel hub motor connects left back motor zero cross detection circuit and the protection of left back over current of motor respectively，Left back motor zero cross detection circuit and the protection of left back over current of motor connect left back circuit for controlling motor respectively，Right rear motor control circuit connects right rear motor power drive respectively、Right rear motor inverter circuit and off hind wheel hub motor，Off hind wheel hub motor connects right rear motor zero cross detection circuit and right rear motor overcurrent protection respectively，Right rear motor zero cross detection circuit and right rear motor overcurrent protection connect right rear motor control circuit respectively，Storage battery connects left back circuit for controlling motor respectively、Left back power of motor drives、Left back motor inverter circuit、Right rear motor control circuit、Right rear motor power drive、Right rear motor inverter circuit、Sweep coil motor、Spray water pump，Charging inlet connects storage battery.
The driving of described left back circuit for controlling motor, left back power of motor, the protection of left back motor inverter circuit, left back wheel hub motor, left back motor zero cross detection circuit, left back over current of motor control to connect left rear wheel respectively, and right rear motor control circuit, right rear motor power drive, right rear motor inverter circuit, off hind wheel hub motor, right rear motor zero cross detection circuit, right rear motor overcurrent protection control to connect off hind wheel respectively.
Described signal acquisition module includes gear, corner, braking, accelerator pedal, motor speed, avoidance detection, sweeps dish switch, spray switch, cell voltage, battery temperature.
Described left back wheel hub motor, off hind wheel hub motor are hub-type brushless direct current motor.
The present invention uses hub type brushless DC motor as the driving motor of environmental sanitation electric motor car, the mechanical transmission mechanism making vehicle is greatly simplified, there is the advantages such as speed adjustable range is wide, speed adjusting performance smooth, starting torque is big, easily controllable, reliable, efficiency is high, non-maintaining, life-span length, brushless direct current motor is arranged on armature winding on stator so that the heat that its electrical loss produces easily outwards dissipates through casing.
The present invention uses electronic differential technology to realize the traveling gesture stability of vehicle, environmental sanitation electric motor car can be made to abandon the mechanical steering gear of heaviness, alleviate the oeverall quality of vehicle, reduce vehicle self energy consumption, also facilitate vehicle global design, improving the available space of vehicle body, make vehicle merge with electronic technology height, the application for environmental sanitation electric motor car provides more favorable condition.
The present invention use the mode of two joint 12V storage batterys series connection as power supply, respectively system master controller, left rear wheel, off hind wheel, sweep coil motor, spray water pump and power.Connecting storage battery by charging inlet is its charging.
The CAN communication interface of the present invention, by connecting host computer to vehicle real-time monitoring in an experiment, can also control parameters to some in vehicle control device simultaneously and some sensors re-scale online.

Claims (4)

  1. null1. small-size multifunction environmental sanitation electric motor car electric control system，It is characterized in that: include system master controller、Left back circuit for controlling motor、Left back power of motor drives、Left back motor inverter circuit、Left back wheel hub motor、Left back motor zero cross detection circuit、Left back over current of motor is protected、Right rear motor control circuit、Right rear motor power drive、Right rear motor inverter circuit、Off hind wheel hub motor、Right rear motor zero cross detection circuit、Right rear motor overcurrent protection、Signal acquisition module、Storage battery、Charging inlet、CAN communication interface、Sweep coil motor and spray water pump，Signal acquisition module connection system master controller，System master controller connects CAN communication interface respectively、Sweep coil motor、Spray water pump、Storage battery、Left back circuit for controlling motor and right rear motor control circuit，Left back circuit for controlling motor connects left back power of motor respectively and drives、Left back motor inverter circuit and left back wheel hub motor，Left back wheel hub motor connects left back motor zero cross detection circuit and the protection of left back over current of motor respectively，Left back motor zero cross detection circuit and the protection of left back over current of motor connect left back circuit for controlling motor respectively，Right rear motor control circuit connects right rear motor power drive respectively、Right rear motor inverter circuit and off hind wheel hub motor，Off hind wheel hub motor connects right rear motor zero cross detection circuit and right rear motor overcurrent protection respectively，Right rear motor zero cross detection circuit and right rear motor overcurrent protection connect right rear motor control circuit respectively，Storage battery connects left back circuit for controlling motor respectively、Left back power of motor drives、Left back motor inverter circuit、Right rear motor control circuit、Right rear motor power drive、Right rear motor inverter circuit、Sweep coil motor、Spray water pump，Charging inlet connects storage battery.
  2. Small-size multifunction environmental sanitation electric motor car electric control system the most according to claim 1; it is characterized in that: the driving of described left back circuit for controlling motor, left back power of motor, the protection of left back motor inverter circuit, left back wheel hub motor, left back motor zero cross detection circuit, left back over current of motor control to connect left rear wheel respectively, right rear motor control circuit, right rear motor power drive, right rear motor inverter circuit, off hind wheel hub motor, right rear motor zero cross detection circuit, right rear motor overcurrent protection control to connect off hind wheel respectively.
  3. Small-size multifunction environmental sanitation electric motor car electric control system the most according to claim 1, it is characterised in that: described signal acquisition module includes gear, corner, braking, accelerator pedal, motor speed, avoidance detection, sweeps dish switch, spray switch, cell voltage, battery temperature.
  4. Small-size multifunction environmental sanitation electric motor car electric control system the most according to claim 1, it is characterised in that: described left back wheel hub motor, off hind wheel hub motor are hub-type brushless direct current motor.
CN201610406338.6A 2016-06-12 2016-06-12 Electrical control system for small multifunctional environmental sanitation electric vehicle Pending CN105922892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610406338.6A CN105922892A (en) 2016-06-12 2016-06-12 Electrical control system for small multifunctional environmental sanitation electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610406338.6A CN105922892A (en) 2016-06-12 2016-06-12 Electrical control system for small multifunctional environmental sanitation electric vehicle

Publications (1)

Publication Number Publication Date
CN105922892A true CN105922892A (en) 2016-09-07

Family

ID=56833779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610406338.6A Pending CN105922892A (en) 2016-06-12 2016-06-12 Electrical control system for small multifunctional environmental sanitation electric vehicle

Country Status (1)

Country Link
CN (1) CN105922892A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114683867A (en) * 2020-12-25 2022-07-01 阿里巴巴集团控股有限公司 Wheel hub motor, tire, vehicle and braking method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201072858Y (en) * 2003-09-30 2008-06-11 艾默生电气公司 Induction motor control system and induction motor system
CN101767542A (en) * 2008-12-26 2010-07-07 常州麦科卡电动车辆科技有限公司 Intelligent drive platform for four wheels of electric automobile
US20110048826A1 (en) * 2009-08-28 2011-03-03 Gary Starr Power line interlock for electric car
CN102045014A (en) * 2010-11-29 2011-05-04 辽宁工业大学 Brushless DC motor controller for four-wheel independently driven electric automobile and control method thereof
CN103303368A (en) * 2013-06-25 2013-09-18 芜湖爱瑞特环保科技有限公司 Electronic differential steering system of electric sweeper
CN103481843A (en) * 2013-09-09 2014-01-01 上海电控研究所 Electrically-driven platform central drive control system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201072858Y (en) * 2003-09-30 2008-06-11 艾默生电气公司 Induction motor control system and induction motor system
CN101767542A (en) * 2008-12-26 2010-07-07 常州麦科卡电动车辆科技有限公司 Intelligent drive platform for four wheels of electric automobile
US20110048826A1 (en) * 2009-08-28 2011-03-03 Gary Starr Power line interlock for electric car
CN102045014A (en) * 2010-11-29 2011-05-04 辽宁工业大学 Brushless DC motor controller for four-wheel independently driven electric automobile and control method thereof
CN103303368A (en) * 2013-06-25 2013-09-18 芜湖爱瑞特环保科技有限公司 Electronic differential steering system of electric sweeper
CN103481843A (en) * 2013-09-09 2014-01-01 上海电控研究所 Electrically-driven platform central drive control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114683867A (en) * 2020-12-25 2022-07-01 阿里巴巴集团控股有限公司 Wheel hub motor, tire, vehicle and braking method thereof
CN114683867B (en) * 2020-12-25 2024-09-13 浙江菜鸟供应链管理有限公司 In-wheel motor, tire, vehicle and braking method thereof

Similar Documents

Publication Publication Date Title
CN204383159U (en) The electric combination drive sanitation cart chassis special of oil
CN106042975A (en) Vehicle control circuit of micro hub-style electric sweeper
CN103318046B (en) A kind of pure electric light bus dynamic assembly
CN105922892A (en) Electrical control system for small multifunctional environmental sanitation electric vehicle
CN202626917U (en) Hybrid power cleaning vehicle
CN203832238U (en) Plug-in type new-energy passenger car motor mixed cooling device
CN203135774U (en) Brushless direct-current motor control system for electric vehicle axle
CN206589716U (en) The electric-control system that a kind of pure electric road is cared the car
CN205822092U (en) A kind of hybrid power rubbish dust collecting and cleaning vehicles
WO2019182531A2 (en) Road sweeping machine working with the electrical energy provided by the vehicle it is mounted on without the need to charge
CN205588992U (en) Washing and sweeping vehicle electricity gasification single engine arrangement structure
CN101947921A (en) Multi-energy hybrid car
CN204679878U (en) For the control device of the electric wheelchair of bi-motor cooperation control
CN103770658A (en) Motor driving-DC/DC conversion-charging integrated device
CN204726249U (en) A kind of oil electric mixed dynamic purging system and oil electric mixed dynamic system
CN202644456U (en) BLDC (brushless direct current)-motor-based electric sweeping plate system of sanitation vehicle
CN203387450U (en) A permanent magnetism alternating current synchronization motor system used for a blower fan coil pipe
CN209854637U (en) Pure electric washing and sweeping vehicle and distributed power device thereof
CN202703313U (en) Dual mode electric transportation means
CN203511338U (en) Special pure electric school bus adopting double-battery-pack mode
CN205195609U (en) Integral type air condition compressor drive control device for electric automobile
CN215986965U (en) New forms of energy laser radar environmental protection dolly
CN111379236A (en) Pure electric washing and sweeping vehicle and distributed power device thereof
CN204780750U (en) Hybrid drives snowplow
CN103192727A (en) Multi-motor front and rear drive electric vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160907