CN110509782A - Stroke-increasing electric automobile based on air motor - Google Patents
Stroke-increasing electric automobile based on air motor Download PDFInfo
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- CN110509782A CN110509782A CN201910842954.XA CN201910842954A CN110509782A CN 110509782 A CN110509782 A CN 110509782A CN 201910842954 A CN201910842954 A CN 201910842954A CN 110509782 A CN110509782 A CN 110509782A
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- 230000005611 electricity Effects 0.000 claims abstract description 32
- 238000001228 spectrum Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
Abstract
The invention patent relates to a kind of stroke-increasing electric automobiles based on air motor, belong to energy-saving and emission-reduction field.The present invention is using air motor electricity generation system as the distance increasing unit of stroke-increasing electric automobile,, zero-emission pollution-free according to compressed air, environmentally protective feature, it drives generator to export electric energy using compressed air-driven air motor, driving energy will be provided jointly with power battery for stroke-increasing electric automobile.The stroke-increasing electric automobile has energy conversion efficiency higher, battery cycle life is long, on travel route or in running region to advantages such as atmospheric environment no pollutions.
Description
Technical field
The invention patent relates to a kind of stroke-increasing electric automobiles based on air motor, belong to energy-saving and emission-reduction field.
Background technique
Electric car will not generate exhaust gas when working, and the cleaning to environmental protection and air is highly beneficial, it may be said that
Almost " no pollution "；Electric car, which is considered as that environmental pollution and energy crisis etc. are many brought by solution automobile industry, asks
One of effective way of topic, however the development of electric car still suffers from many restraining factors, in such as power density, continuation of the journey
Journey, environmental suitability, energy efficiency and service life cycle etc..In order to increase the mileage travelled of pure electric automobile, it is necessary to more
Packed battery, then the car body weight of electric car just will increase, and power consumption also increases with it, and domestic at present mainly by fire coal hair
Electricity, this will lead to the bigger electric car discharge carbon dioxide of power consumption and various pernicious gases are more, this has deviated from electronic
The direction of automobile low-carbon development.Stroke-increasing electric automobile is the best-of-breed technology that new-energy automobile moves towards the marketization after subsidy is fallen off
One of route is the sharp weapon for building automobile power.
Currently, existing patent proposes to use distance increasing unit of the internal combustion engine as stroke-increasing electric automobile, it is ensured that internal combustion engine is in
In efficient condition range, an existing realistic problem among these: according to internal combustion engine as distance increasing unit, in the row of vehicle
Sail and inevitably discharge carbon dioxide and its pernicious gas in route or region, local atmospheric environment is directly brought or
More or few negative influences.
Summary of the invention
The purpose of the present invention is to solve the above problem, the stroke-increasing electric automobile based on air motor is proposed, it will
Distance increasing unit of the air motor electricity generation system as stroke-increasing electric automobile, it is, zero-emission pollution-free according to compressed air, environmentally protective
The characteristics of, it drives generator to export electric energy using compressed air-driven air motor, jointly will be extended-range electricity with power battery
Electrical automobile provides driving energy.
The device couples air motor and generator, forms air motor electricity generation system, passes through compressed air
Driving air motor drives generator to generate electricity.Working medium of the compressed air as range extender of electric vehicle, have it is pollution-free, zero
Discharge, environmentally protective feature.Distance increasing unit of the air motor electricity generation system as stroke-increasing electric automobile, can be operated alone electricity
Electrical automobile.When needing large driving force when vehicle driving up or anxious acceleration, air motor electricity generation system and power battery can be simultaneously
Drive electric car.It can be by the vehicle traction energy allocation proportion between optimizing pneumatic motor and power battery, to ensure two
Person works between high efficient area, to be conducive to improve vehicle economy.According to driving motor power demand and control strategy
Mode determines the operating status of driving motor, obtains the operating mode of electric car: pure electric vehicle driving, air motor power generation system
System driving, air motor electricity generation system and power battery joint driving, parking charging etc..
In order to achieve the above objectives, the present invention uses following technical solution:
A kind of stroke-increasing electric automobile based on air motor mainly includes air motor electricity generation system and energy management with
Control system.
The air motor electricity generation system include: compressed air (1), air motor (2), generator (3), rectifier (4),
Voltage-stablizer (5), cylinder (19), inlet valve (20), exhaust valve (21), flowmeter one (22), temperature sensor one (23), pressure pass
Sensor one (24), temperature sensor two (25), pressure sensor two (26), flowmeter two (27), temperature sensor three (28), pressure
Force snesor three (29), piston (30), connecting rod (31).Wherein inlet valve (20) and exhaust valve (21) are mounted on cylinder (19)；
Flowmeter one (22), temperature sensor one (23) and pressure sensor one (24) are mounted on inlet valve (20)；Temperature sensor
Two (25), pressure sensor two (26) and flowmeter two (27) are located on exhaust valve (21)；Temperature sensor three (28) and pressure
Sensor three (29) is mounted on cylinder (19)；Piston (30) and connecting rod (31) are located in cylinder (19).
The energy management and control system specifically include that rectifier (4), voltage-stablizer (5), inverter one (6), relay
One (7), energy management and control system (8), relay two (9), power battery (10), inverter two (11), relay three
(12), driving motor (13), differential mechanism (14), driving wheel one (15), driving wheel two (16), normal-moveout spectrum (17), power spectrum (18).
The working principle of the stroke-increasing electric automobile based on air motor are as follows:
When compressed air (1) drives air motor (2), flowmeter one (22), temperature sensor one (23), pressure are first passed around
Force snesor one (24), and indirectly controlled according to the demand of driving motor (13) power by adjusting the aperture of inlet valve (20)
Into cylinder (19) air pressure and air mass flow；Piston acting is pushed into the compressed air (1) in cylinder (19), with power generation
Machine (3) is coupled；Generator (3) is produced electricl energy through rectifier (4) and voltage-stablizer (5), with inverter one (6) and relay
Device two (9) is connected, by energy management and control system (8) according to the driving status for driving current electric car, i.e. driving wheel
The state and current normal-moveout spectrum (17) and power spectrum (18) of one (15) and driving wheel two (16) determine current driving motor
(13) power demand；Energy management and control system (8) are in nuclear charge amount (the state of according to current power battery (10)
Charge, abbreviation SOC) comprehensive descision electric car drive mode: pure electric vehicle driving, air motor electricity generation system driving, gas
Dynamic motor electricity generation system and power battery joint driving, parking charging etc.；
When the SOC of power battery (10) is greater than 75%, the inlet valve (20) that can close air motor (2) makes pneumatic horse
It stops working up to (2), the electric current flowed from power battery (10) passes through inverter two (11), closing relay three (12), to drive
Dynamic motor (13) power supply, driving motor (13) drive electric car by differential mechanism (14)；When the SOC of power battery (10) is less than
When 50%, air motor (2) start to work, drive generator (3) generate electricity, electric current by rectifier (4), voltage-stablizer (5),
Inverter one (6), closing relay one (7) are powered to driving motor (13), and electric car is operated alone in air motor (2)；
Inlet valve (20) aperture that air motor (2) are increased by energy management and control system (8) is guaranteeing to driving
Under conditions of motor (13) power supply, while charging to power battery (10), when the SOC of power battery (10) is close to 75%, energy
It measures management and control system (8) and disconnects relay two (9), stop charging to power battery (10)；Meanwhile by energy management with
Inlet valve (20) aperture that control system (8) reduces air motor (2) can guarantee to power to driving motor (13).
Compared with prior art, the invention has the following advantages that
1, this project uses distance increasing unit of the air motor electricity generation system as electric car, and this distance increasing unit is empty using compression
Zero carbon emission can be achieved as working medium in gas on travel route or in running region.Air motor electricity generation system as distance increasing unit,
The course continuation mileage of stroke-increasing electric automobile can not only be increased；And batteries monomer quantity can be reduced, to reduce vehicle
Weight and cost.
2, air motor is able to satisfy operating condition of the stroke-increasing electric automobile under various variable working condition.Air motor itself has
It has many good qualities, the revolving speed and power of air motor can be adjusted by the flow and pressure that control compressed air；Pneumatic horse
It up to torque with higher, can be generated electricity with direct drive generator, and start-stop is very fast；The power bracket ratio of air motor
Wider, from several hectowatts to several myriawatts, the range of speeds can be from zero to ten thousand rpm, and air motor has overload protection function, work
Make safety.
3, air motor electricity generation system and power battery mutual cooperation constitute different operating modes, drive vehicle jointly
Traveling, increases the continual mileage of vehicle, but also increase the complexity of full-vehicle control simultaneously, it must be determined that reasonably control plan
It is able to achieve the reasonable distribution of smooth switching between various operating modes, power flow, just slightly in favor of reaching the performance of vehicle most
It is excellent.For different operating conditions, under the premise of meeting vehicle power performance and course continuation mileage, sent out by optimizing pneumatic motor
Best match characteristic between electric system and power battery, using the advantage that air motor is easy to operate, by controlling compressed air
Flow and pressure adjust the revolving speed and power of air motor in real time, injury of the high current to power battery is avoided, to improve
The economy and dynamic property of vehicle.
Detailed description of the invention
Fig. 1 is the energy management schematic illustration of the stroke-increasing electric automobile based on air motor
Fig. 2 is the schematic diagram of air motor
In figure: 1, compressed air；2, air motor；3, generator；4, rectifier；5, voltage-stablizer；6, inverter one；7, after
Electric appliance one；8, energy management and control system；9, relay two；10, power battery；11, inverter two；12, relay three；
13, driving motor；14, differential mechanism；15, driving wheel one；16, driving wheel two；17, normal-moveout spectrum；18, power spectrum；19, cylinder；20,
Inlet valve；21, exhaust valve；22, flowmeter one；23, temperature sensor one；24, pressure sensor one；25, temperature sensor two；
26, pressure sensor two；27, flowmeter 2 28, temperature sensor three；29, pressure sensor three；30, piston；31, connecting rod.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but the present invention is not limited to following embodiments.
Embodiment 1: the present invention is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, 2, a kind of energy management of the stroke-increasing electric automobile based on air motor, the technical solution are main
Including air motor electricity generation system and energy management and control system.It specifically includes: 1, compressed air；2, air motor；3, it sends out
Motor；4, rectifier；5, voltage-stablizer；6, inverter one；7, relay one；8, energy management and control system；9, relay two；
10, power battery；11, inverter two；12, relay three；13, driving motor；14, differential mechanism；15, driving wheel one；16, it drives
Wheel two；17, normal-moveout spectrum；18, power spectrum；19, cylinder；20, inlet valve；21, exhaust valve；22, flowmeter one；23, temperature sensing
Device one；24, pressure sensor one；25, temperature sensor two；26, pressure sensor two；27, flowmeter 2 28, temperature sensor
Three；29, pressure sensor three；30, piston；31, connecting rod.
The air motor electricity generation system specifically includes that compressed air (1), air motor (2), generator (3), rectifier
(4), voltage-stablizer (5), cylinder (19), inlet valve (20), exhaust valve (21), flowmeter one (22), temperature sensor one (23), pressure
Force snesor one (24), temperature sensor two (25), pressure sensor two (26), flowmeter two (27), temperature sensor three
(28), pressure sensor three (29), piston (30), connecting rod (31).Wherein inlet valve (20) and exhaust valve (21) are mounted on cylinder
(19) on；Flowmeter one (22), temperature sensor one (23) and pressure sensor one (24) are mounted on inlet valve (20)；Temperature
Sensor two (25), pressure sensor two (26) and flowmeter two (27) are located on exhaust valve (21)；Temperature sensor three (28)
It is mounted on cylinder (19) with pressure sensor three (29)；Piston (30) and connecting rod (31) are located in cylinder (19).
The energy management and control system specifically include that rectifier (4), voltage-stablizer (5), inverter one (6), relay
One (7), energy management and control system (8), relay two (9), power battery (10), inverter two (11), relay three
(12), driving motor (13), differential mechanism (14), driving wheel one (15), driving wheel two (16), normal-moveout spectrum (17), power spectrum (18).
The working principle of the stroke-increasing electric automobile based on air motor is described in detail below in conjunction with attached drawing:
When compressed air (1) drives air motor (2), flowmeter one (22), temperature sensor one (23), pressure are first passed around
Force snesor one (24), and indirectly controlled according to the demand of driving motor (13) power by adjusting the aperture of inlet valve (20)
Into cylinder (19) air pressure and air mass flow；Piston acting is pushed into the compressed air (1) in cylinder (19), with power generation
Machine (3) is coupled；Generator (3) is produced electricl energy through rectifier (4) and voltage-stablizer (5), with inverter one (6) and relay
Device two (9) is connected, by energy management and control system (8) according to the driving status for driving current electric car, i.e. driving wheel
The state and current normal-moveout spectrum (17) and power spectrum (18) of one (15) and driving wheel two (16) determine current driving motor
(13) power demand；Energy management and control system (8) are in nuclear charge amount (the state of according to current power battery (10)
Charge, abbreviation SOC) comprehensive descision electric car drive mode: pure electric vehicle driving, air motor electricity generation system driving, gas
Dynamic motor electricity generation system and power battery joint driving, parking charging etc.；
When the SOC of power battery (10) is greater than 75%, the inlet valve (20) that can close air motor (2) makes pneumatic horse
It stops working up to (2), the electric current flowed from power battery (10) passes through inverter two (11), closing relay three (12), to drive
Dynamic motor (13) power supply, driving motor (13) drive electric car by differential mechanism (14)；When the SOC of power battery (10) is less than
When 50%, air motor (2) start to work, drive generator (3) generate electricity, electric current by rectifier (4), voltage-stablizer (5),
Inverter one (6), closing relay one (7) are powered to driving motor (13), and electric car is operated alone in air motor (2)；It is logical
It crosses energy management and control system (8) increases inlet valve (20) aperture of air motor (2), guaranteeing to supply to driving motor (13)
Under conditions of electricity, while charging to power battery (10), when the SOC of power battery (10) is close to 75%, energy management and control
System (8) processed disconnects relay two (9), stops charging to power battery (10)；Meanwhile passing through energy management and control system
(8) inlet valve (20) aperture for reducing air motor (2) can guarantee to power to driving motor (13)；When automobile needs
When accelerating or improving power, air motor (2) and power battery (10) are powered to driving motor (13) simultaneously, guarantee electronic vapour
Vehicle is to powerful demand.
Claims (3)
1. a kind of stroke-increasing electric automobile based on air motor mainly includes air motor electricity generation system and energy management and control
System processed, it is characterised in that:
The air motor electricity generation system specifically include that compressed air (1), air motor (2), generator (3), rectifier (4),
Voltage-stablizer (5), cylinder (19), inlet valve (20), exhaust valve (21), flowmeter one (22), temperature sensor one (23), pressure pass
Sensor one (24), temperature sensor two (25), pressure sensor two (26), flowmeter two (27), temperature sensor three (28), pressure
Force snesor three (29), piston (30), connecting rod (31)；
The energy management and control system specifically include that rectifier (4), voltage-stablizer (5), inverter one (6), relay one
(7), energy management and control system (8), relay two (9), power battery (10), inverter two (11), relay three (12),
Driving motor (13), differential mechanism (14), driving wheel one (15), driving wheel two (16), normal-moveout spectrum (17), power spectrum (18).
2. the stroke-increasing electric automobile according to claim 1 based on air motor, it is characterised in that: the air motor
In electricity generation system, inlet valve (20) and exhaust valve (21) are mounted on cylinder (19)；Flowmeter one (22), temperature sensor one
(23) it is mounted on inlet valve (20) with pressure sensor one (24)；Temperature sensor two (25), pressure sensor two (26) and
Flowmeter two (27) is located on exhaust valve (21)；Temperature sensor three (28) and pressure sensor three (29) are mounted on cylinder (19)
On；Piston (30) and connecting rod (31) are located in cylinder (19)；The energy management and control system (8) control pneumatic horse in real time
The revolving speed and power of air motor (2) are adjusted up to the aperture of (2) inlet valve (20).
3. the stroke-increasing electric automobile according to claim 1 to 2 based on air motor, it is characterised in that: described to be based on gas
The working principle of the stroke-increasing electric automobile of dynamic motor is as follows:
When compressed air (1) drives air motor (2), first passes around flowmeter one (22), temperature sensor one (23), pressure and pass
Sensor one (24), and entrance is indirectly controlled by adjusting the aperture of inlet valve (20) according to the demand of driving motor (13) power
Cylinder (19) air pressure and air mass flow；Piston acting is pushed into the compressed air (1) in cylinder (19), with generator
(3) it is coupled；Generator (3) is produced electricl energy through rectifier (4) and voltage-stablizer (5), with inverter one (6) and relay
Two (9) are connected, by energy management and control system (8) according to the driving status for driving current electric car, i.e. driving wheel one
(15) and the state of driving wheel two (16) and current normal-moveout spectrum (17) and power spectrum (18) determine current driving motor
(13) power demand；Energy management and control system (8) are in nuclear charge amount (the state of according to current power battery (10)
Charge, abbreviation SOC) comprehensive descision electric car drive mode: pure electric vehicle driving, air motor electricity generation system driving, gas
Dynamic motor electricity generation system and power battery joint driving, parking charging etc.；
When the SOC of power battery (10) is greater than 75%, the inlet valve (20) that can close air motor (2) makes air motor
(2) it stops working, the electric current flowed from power battery (10) passes through inverter two (11), closing relay three (12), to driving
Motor (13) power supply, driving motor (13) drive electric car by differential mechanism (14)；When the SOC of power battery (10) is less than
When 50%, air motor (2) start to work, drive generator (3) generate electricity, electric current by rectifier (4), voltage-stablizer (5),
Inverter one (6), closing relay one (7) are powered to driving motor (13), and electric car is operated alone in air motor (2)；It is logical
It crosses energy management and control system (8) increases inlet valve (20) aperture of air motor (2), guaranteeing to supply to driving motor (13)
Under conditions of electricity, while charging to power battery (10), when the SOC of power battery (10) is close to 75%, energy management and control
System (8) processed disconnects relay two (9), stops charging to power battery (10)；Meanwhile passing through energy management and control system
(8) inlet valve (20) aperture for reducing air motor (2) can guarantee to power to driving motor (13)；When automobile needs
When accelerating or improving power, air motor (2) and power battery (10) are powered to driving motor (13) simultaneously, guarantee electronic vapour
Vehicle is to powerful demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842954.XA CN110509782A (en) | 2019-09-06 | 2019-09-06 | Stroke-increasing electric automobile based on air motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842954.XA CN110509782A (en) | 2019-09-06 | 2019-09-06 | Stroke-increasing electric automobile based on air motor |
Publications (1)
| Publication Number | Publication Date |
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| CN110509782A true CN110509782A (en) | 2019-11-29 |
Family
ID=68631531
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910842954.XA Pending CN110509782A (en) | 2019-09-06 | 2019-09-06 | Stroke-increasing electric automobile based on air motor |
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| CN112848889A (en) * | 2021-03-30 | 2021-05-28 | 江西博能上饶客车有限公司 | Novel emergency starting device of air braking vehicle and using method thereof |
| CN113173081A (en) * | 2021-06-10 | 2021-07-27 | 北京理工大学 | Trackless rubber-tyred vehicle for extended-range mine |
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| CN112848889A (en) * | 2021-03-30 | 2021-05-28 | 江西博能上饶客车有限公司 | Novel emergency starting device of air braking vehicle and using method thereof |
| CN113173081A (en) * | 2021-06-10 | 2021-07-27 | 北京理工大学 | Trackless rubber-tyred vehicle for extended-range mine |
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