CN107117068B - A kind of environmental sanitation electric vehicle electric transmission matching primitives method - Google Patents
A kind of environmental sanitation electric vehicle electric transmission matching primitives method Download PDFInfo
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- CN107117068B CN107117068B CN201710258836.5A CN201710258836A CN107117068B CN 107117068 B CN107117068 B CN 107117068B CN 201710258836 A CN201710258836 A CN 201710258836A CN 107117068 B CN107117068 B CN 107117068B
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- 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
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- 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
- 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
- B60L2240/423—Torque
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A kind of environmental sanitation electric vehicle electric transmission matching primitives method, environmental sanitation electric vehicle electric drive system includes energy-storage system, main convertor, traction electric machine, main reducing gear and differential mechanism, in traction working condition, the energy of energy-storage system storage will drive traction electric machine after DC inverter by main convertor, pass through the transmission of main reducing gear and differential mechanism, driving vehicle operation again；In electric braking operating condition, traction electric machine works in Generator Status, and kinetic energy is converted into electric energy and is recycled to energy-storage system by main convertor；Matching primitives are carried out with the electric drive system of 16 tons of electric sanitation trucks comprising traction electric machine parameter calculates and main convertor parameter calculates.Calculation method of the invention is simple, and calculated result is reliable, and the matching degree of traction electric machine and main convertor is good, can satisfy the daily traveling of electric sanitation truck and operation, meets the related request of electric vehicle.
Description
Technical field
The present invention relates to electric sanitation truck, especially a kind of environmental sanitation electric vehicle electric transmission matching primitives method.
Background technique
Sanitation cart is to be broadly divided into sprinkling truck series and garbage truck system for the arrangement of the city appearance of the city, clean special-purpose vehicle
It is classified as master.Currently, most diesel engines control in the market, vehicle on the way tail caused by diesel combustion when driving
Gas discharge, it is larger to the pollution of environment for a long time, it is unfavorable for low-carbon environment-friendly.So electric sanitation truck just comes into being, it is electronic
The matching of traction electric machine and main convertor in the main electric drive system for considering electric sanitation truck of the exploitation of vehicle, it is suitable to draw
The selection of motor and main convertor helps to save electric energy, and sanitation cart is made to meet daily traveling and job requirements.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of environmental sanitation electric vehicle electric transmission matching primitives method, algorithm letters
Single, calculated result is reliable.
In order to solve the above technical problems, the technical scheme is that a kind of environmental sanitation electric vehicle electric transmission matching primitives side
Method, environmental sanitation electric vehicle electric drive system include energy-storage system, main convertor, traction electric machine, main reducing gear and differential mechanism, are being drawn
When operating condition, the energy of energy-storage system storage will drive traction electric machine by main convertor after DC inverter, then pass through main deceleration
The transmission of device and differential mechanism, driving vehicle operation；In electric braking operating condition, traction electric machine work turns in Generator Status, kinetic energy
It turns to electric energy and energy-storage system is recycled to by main convertor；By the electric drive system of 16 tons of electric sanitation trucks carry out matching in terms of
It calculates comprising traction electric machine parameter calculates and main convertor parameter calculates: traction electric machine parameter:
1, traction electric machine characteristic calculates
(1) starting torque calculates
Sanitation cart starting tractive force cannot be less than 33.64kN, calculate starting torque:
Wherein, r is tire rolling radius, value 0.502m；ηTFor gear-driven efficiency, 0.98 × 0.98=of value
0.96；I is gear ratio, value 6.166；
(2) rated power calculates
Sanitation cart is fully loaded, and with 90km/h, when running on straight road, resistance is 4.22kN, then needs power:
(3) maximum (top) speed calculates
It is calculated by desin speed 90km/h, traction electric machine tachometer value are as follows:
Wherein, i is transmission ratio, and D is tire rolling diameter；
2, electric braking characteristic calculates
(1) traction electric machine electrical braking power
With 30km/h, the sliding force on 6% ramp is 6.43kN to electric sanitation truck, when vehicle speed per hour is 30km/h, electricity system
The dynamic sliding force that need to be overcome in 6% gug, then braking power is not less than:
(2) traction electric machine electric braking torque
According to vehicle performance demand and motor Economic moving region, electric braking curve is set by invariable power and brakes area to permanent torque
The turnover revolving speed for braking area is rated speed 1000r/min, and the braking power in motor invariable power area is 60kW, then motor electric braking
The torque of permanent torque Operational Zone is 573Nm；
Main convertor parameter:
1, rated capacity
Main convertor rated capacity is calculated according to traction electric machine parameter are as follows:
PeFor traction electric machine rated power, ηmeFor traction electric machine rated efficiency,For traction electric machine rated power factor,
2, output-current rating
Wherein, UeFor traction electric machine voltage rating；
3, rated input power
Traction convertor efficiency takes 0.98, then current transformer rated input power are as follows:
4, maximum capacity when electric braking
Wherein, PbFor traction motor maximum electrical braking power, ηmbFor electric efficiency under maximum electrical braking power,For most
Motor power factor under big electrical braking power；
As an improvement, measuring its course continuation mileage more than or equal to 80km using 40km/h constant speed method, test mass is to reorganize and outfit
The sum of quality and additional mass, if maximum autohorized pay mass is greater than 360kg, additional mass is maximum autohorized pay mass
Half, root is it is estimated that test mass takes 13t；It is assumed that driving at a constant speed on straight road with 40km/h, motor is needed to provide function
Rate:
Course continuation mileage is 80km/h, and energy-storage system at least provides trailer system energy:
As an improvement, according to the parameter selection traction electric machine being calculated, for traction, the electric braking for giving full play to motor
Can, the traction of the above vehicle, the calculating of electric braking performance parameter are modified: the stage being drawn for motor permanent torque, sets power
It is turning point when reaching rated power 120kW, calculates motor speed at this time:
When revolving speed reaches 382r/min, the torque of motor enters the linear decline stage, this stage end point corresponds to motor
Revolving speed is rated speed 1000r/min, is invariable power traction stage, traction when motor speed is 1000r/min~3000r/min
Power is rated power 120kW, can be obtained:
Vehicle pulling figure:
0~11.7km/h, permanent tractive force stage, tractive force 35.4kN；
11.7~30.7km/h, tractive force linear decline stage；
30.7~90km/h, invariable power stage, wheel power 115kW.
Vehicle electric braking characteristic:
90~30.7km/h, invariable power deboost phase, whole vehicle wheel side braking power 57.6kW；
30.7~5km/h, permanent electric braking force stage, electric braking force 6.76kN；
5km/h~0, electric braking force linear decline stage.
The beneficial effect of the invention compared with the existing technology is:
Calculation method of the invention is simple, and calculated result is reliable, and the matching degree of traction electric machine and main convertor is good, Neng Gouman
The daily traveling of sufficient electric sanitation truck and operation, meet the related request of electric vehicle.
Detailed description of the invention
Fig. 1 is electric sanitation truck electric drive system block diagram.
Fig. 2 is curve of traction characteristics.
Fig. 3 is electric braking characteristic curve.
Specific embodiment
A kind of environmental sanitation electric vehicle electric transmission matching primitives method, as shown in Figure 1, environmental sanitation electric vehicle electric drive system includes storage
Energy system, main convertor, traction electric machine, main reducing gear and differential mechanism, in traction working condition, the energy of energy-storage system storage passes through
Main convertor will drive traction electric machine after DC inverter, then pass through the transmission of main reducing gear and differential mechanism, driving vehicle operation；
In electric braking operating condition, traction electric machine works in Generator Status, and kinetic energy is converted into electric energy and is recycled to storage by main convertor
It can system.Matching primitives are carried out with the electric drive system of 16 tons of electric sanitation trucks comprising traction electric machine parameter calculates and main transformer
Device parameter is flowed to calculate:
One, traction electric machine parameter:
1, traction electric machine characteristic calculates
(1) starting torque calculates
Sanitation cart starting tractive force cannot be less than 33.64kN, calculate starting torque:
Wherein, r is tire rolling radius, value 0.502m；ηTFor gear-driven efficiency, 0.98 × 0.98=of value
0.96；I is gear ratio, value 6.166；
(2) rated power calculates
Sanitation cart is fully loaded, and with 90km/h, when running on straight road, resistance is 4.22kN, then needs power:
(3) maximum (top) speed calculates
It is calculated by desin speed 90km/h, traction electric machine tachometer value are as follows:
Wherein, i is transmission ratio, and D is tire rolling diameter；
2, electric braking characteristic calculates
(1) traction electric machine electrical braking power
With 30km/h, the sliding force on 6% ramp is 6.43kN to electric sanitation truck, when vehicle speed per hour is 30km/h, electricity system
The dynamic sliding force that need to be overcome in 6% gug, then braking power is not less than:
(2) traction electric machine electric braking torque
According to vehicle performance demand and motor Economic moving region, electric braking curve is set by invariable power and brakes area to permanent torque
The turnover revolving speed for braking area is rated speed 1000r/min, and the braking power in motor invariable power area is 60kW, then motor electric braking
The torque of permanent torque Operational Zone is 573Nm.
Two, main convertor parameter:
1, rated capacity
Main convertor rated capacity is calculated according to traction electric machine parameter are as follows:
PeFor traction electric machine rated power, ηmeFor traction electric machine rated efficiency,For traction electric machine rated power factor,
2, output-current rating
Wherein, UeFor traction electric machine voltage rating；
3, rated input power
Traction convertor efficiency takes 0.98, then current transformer rated input power are as follows:
4, maximum capacity when electric braking
Wherein, PbFor traction motor maximum electrical braking power, ηmbFor electric efficiency under maximum electrical braking power,For most
Motor power factor under big electrical braking power；
Three, electric transmission part energy consumption calculation
Its course continuation mileage is measured more than or equal to 80km using 40km/h constant speed method, test mass is kerb weight and adds
Quality sum, if maximum autohorized pay mass is greater than 360kg, additional mass is the half of maximum autohorized pay mass, according to
Estimation, test mass take 13t；It is assumed that driving at a constant speed on straight road with 40km/h, electrical machine with power is needed:
Course continuation mileage is 80km/h, and energy-storage system at least provides trailer system energy:
The parameter selection of traction electric machine:
According to the parameter selection traction electric machine being calculated, for traction, the electric braking performance for giving full play to motor, to above
Vehicle traction, the calculating of electric braking performance parameter are modified: motor permanent torque being drawn the stage, setting power reaches specified function
It is turning point when rate 120kW, calculates motor speed at this time:
When revolving speed reaches 382r/min, the torque of motor enters the linear decline stage, this stage end point corresponds to motor
Revolving speed is rated speed 1000r/min, is invariable power traction stage, traction when motor speed is 1000r/min~3000r/min
Power is rated power 120kW, can be obtained:
As shown in Fig. 2, vehicle pulling figure:
0~11.7km/h, permanent tractive force stage, tractive force 35.4kN；
11.7~30.7km/h, tractive force linear decline stage；
30.7~90km/h, invariable power stage, wheel power 115kW.
As shown in figure 3, vehicle electric braking characteristic:
90~30.7km/h, invariable power deboost phase, whole vehicle wheel side braking power 57.6kW；
30.7~5km/h, permanent electric braking force stage, electric braking force 6.76kN；
5km/h~0, electric braking force linear decline stage.
It mainly include that control circuit board, drive circuit board, IGBT inverter, thin-film capacitor and structure are set in main convertor
Count connecting terminal, the cooling trough etc. of aspect.Main convertor not only has the function of rectification and inversion, also has drive control electricity
The function of machine.Main convertor is communicated by CAN bus and entire car controller, and the instruction issued according to entire car controller
Operating mode and output electric current are determined, by output current control traction electric machine torque.Using vector controlled and space vector arteries and veins
Wide modulation technique, maximal efficiency is up to 98%.
The parameter selection of main convertor:
Claims (3)
1. a kind of environmental sanitation electric vehicle electric transmission matching primitives method, it is characterised in that: environmental sanitation electric vehicle electric drive system includes storage
Energy system, main convertor, traction electric machine, main reducing gear and differential mechanism, in traction working condition, the energy of energy-storage system storage passes through
Main convertor will drive traction electric machine after DC inverter, then pass through the transmission of main reducing gear and differential mechanism, driving vehicle operation；
In electric braking operating condition, traction electric machine works in Generator Status, and kinetic energy is converted into electric energy and is recycled to storage by main convertor
It can system；Matching primitives are carried out with the electric drive system of 16 tons of electric sanitation trucks comprising traction electric machine parameter calculates and main transformer
Device parameter is flowed to calculate:
Traction electric machine parameter:
1, traction electric machine characteristic calculates
(1) starting torque calculates
Sanitation cart starting tractive force cannot be less than 33.64kN, calculate starting torque:
Wherein, r is tire rolling radius, value 0.502m；ηTFor gear-driven efficiency, 0.98 × 0.98=0.96 of value；i
For gear ratio, value 6.166；
(2) rated power calculates
Sanitation cart is fully loaded, and with 90km/h, when running on straight road, resistance is 4.22kN, then needs power:
(3) maximum (top) speed calculates
It is calculated by desin speed 90km/h, traction electric machine tachometer value are as follows:
Wherein, i is transmission ratio, and D is tire rolling diameter；
2, electric braking characteristic calculates
(1) traction electric machine electrical braking power
With 30km/h, the sliding force on 6% ramp is 6.43kN to electric sanitation truck, and when vehicle speed per hour is 30km/h, electric braking is needed
Overcome the sliding force in 6% gug, then braking power is not less than:
(2) traction electric machine electric braking torque
According to vehicle performance demand and motor Economic moving region, electric braking curve is set by invariable power and brakes area to constant torque braking
The turnover revolving speed in area is rated speed 1000r/min, and the braking power in motor invariable power area is 60kW, then motor electric braking perseverance turns
The torque of square Operational Zone is 573Nm；Main convertor parameter:
1, rated capacity
Main convertor rated capacity is calculated according to traction electric machine parameter are as follows:
PeFor traction electric machine rated power, ηmeFor traction electric machine rated efficiency,For traction electric machine rated power factor,
2, output-current rating
Wherein, UeFor traction electric machine voltage rating；
3, rated input power
Traction convertor efficiency takes 0.98, then current transformer rated input power are as follows:
4, maximum capacity when electric braking
Wherein, PbFor traction motor maximum electrical braking power, ηmbFor electric efficiency under maximum electrical braking power,For maximum electricity
Motor power factor under braking power；
2. a kind of environmental sanitation electric vehicle electric transmission matching primitives method according to claim 1, it is characterised in that: use
40km/h constant speed method measures its course continuation mileage more than or equal to 80km, and vehicle test quality is the sum of kerb weight and additional mass,
If maximum autohorized pay mass is greater than 360kg, additional mass is the half of maximum autohorized pay mass, and root is it is estimated that test
Quality takes 13t；It is assumed that driving at a constant speed on straight road with 40km/h, electrical machine with power is needed:
Course continuation mileage is 80km/h, and energy-storage system at least provides trailer system energy:
3. a kind of environmental sanitation electric vehicle electric transmission matching primitives method according to claim 1, it is characterised in that: according to calculating
Obtained parameter selection traction electric machine draws the above vehicle, electric braking for traction, the electric braking performance for giving full play to motor
Performance parameter calculating is modified: being drawn the stage for motor permanent torque, is set when power reaches rated power 120kW as turnover
Point calculates motor speed at this time:
When revolving speed reaches 382r/min, the torque of motor enters the linear decline stage, this stage end point corresponds to the revolving speed of motor
It is invariable power traction stage, traction power when motor speed is 1000r/min~3000r/min for rated speed 1000r/min
For rated power 120kW, can obtain:
Vehicle pulling figure:
0~11.7km/h, permanent tractive force stage, tractive force 35.4kN；
11.7~30.7km/h, tractive force linear decline stage；
30.7~90km/h, invariable power stage, wheel power 115kW；
Vehicle electric braking characteristic:
90~30.7km/h, invariable power deboost phase, whole vehicle wheel side braking power 57.6kW；
30.7~5km/h, permanent electric braking force stage, electric braking force 6.76kN；
5km/h~0, electric braking force linear decline stage.
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| CN201710258836.5A CN107117068B (en) | 2017-04-19 | 2017-04-19 | A kind of environmental sanitation electric vehicle electric transmission matching primitives method |
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| CN105599618A (en) * | 2016-02-05 | 2016-05-25 | 清华大学 | Method for consuming regenerative braking power by reverse towing operation of auxiliary power assembly |
| JP2016094111A (en) * | 2014-11-14 | 2016-05-26 | トヨタ自動車株式会社 | Hybrid vehicle |
| CN105835708A (en) * | 2015-01-14 | 2016-08-10 | 通用电气公司 | Vehicle drive system and energy management control method |
| CN105857089A (en) * | 2016-05-25 | 2016-08-17 | 清华大学 | Vehicle control method and device capable of considering both feedback braking and power consuming braking |
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2017
- 2017-04-19 CN CN201710258836.5A patent/CN107117068B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195556A (en) * | 2010-03-01 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | System and method for managing torque capability in electric motor system |
| JP2016094111A (en) * | 2014-11-14 | 2016-05-26 | トヨタ自動車株式会社 | Hybrid vehicle |
| CN105835708A (en) * | 2015-01-14 | 2016-08-10 | 通用电气公司 | Vehicle drive system and energy management control method |
| JP2017013766A (en) * | 2015-07-07 | 2017-01-19 | スズキ株式会社 | Driving control device of hybrid vehicle |
| CN105599618A (en) * | 2016-02-05 | 2016-05-25 | 清华大学 | Method for consuming regenerative braking power by reverse towing operation of auxiliary power assembly |
| CN105857089A (en) * | 2016-05-25 | 2016-08-17 | 清华大学 | Vehicle control method and device capable of considering both feedback braking and power consuming braking |
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