CN207549972U - A kind of stroke-increasing electric automobile - Google Patents
A kind of stroke-increasing electric automobile Download PDFInfo
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- CN207549972U CN207549972U CN201720606643.XU CN201720606643U CN207549972U CN 207549972 U CN207549972 U CN 207549972U CN 201720606643 U CN201720606643 U CN 201720606643U CN 207549972 U CN207549972 U CN 207549972U
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model embodiment discloses a kind of stroke-increasing electric automobile.Automobile drive electric motor in the stroke-increasing electric automobile is used to drive the vehicle wheel rotation of stroke-increasing electric automobile；Energy-storage system includes high density energy-storage travelling wave tube and high power energy-storage travelling wave tube, is connect with automobile drive electric motor, for powering to automobile drive electric motor；Distance increasing unit is connect respectively with energy-storage system and automobile drive electric motor, for powering to energy-storage system or automobile drive electric motor；The setpoint power output W1 that distance increasing unit is kept constant in the on state, and distance increasing unit is operated in best operating point when output power is setpoint power output W1.By the technical solution of the utility model, the fuel efficiency of distance increasing unit is effectively increased, reduces the oil consumption and discharge of distance increasing unit.
Description
Technical field
The utility model embodiment is related to electric vehicle field more particularly to a kind of stroke-increasing electric automobile.
Background technology
In order to cope with the problem of energy shortage and environmental pollution, environmentally protective energy-saving new-energy automobile becomes automobile skill
The important development direction of art, new-energy automobile it is most commonly seen be hybrid vehicle and electric vehicle.Hybrid vehicle phase
Although oil consumption and pollution to environment are reduced, but hybrid vehicle still is based on internal combustion engine for traditional automobile,
Still the dependence to oil can not be broken away from.And the battery price of pure electric automobile is expensive, charging rate is slow, in addition domestic charging pile
Popularity is relatively low so that the mileage travelled of pure electric automobile is severely limited.
In order to solve this problem, automobile travel increasing apparatus comes into being, and the stroke-increasing electric automobile for being configured with distance increasing unit is one
Electric vehicle of the kind equipped with ground charging and vehicle-mounted function of supplying power.The appearance of distance increasing unit reduce to vehicle mounted dynamic battery price and
The requirement of charge condition etc. while increasing vehicle driving mileage, improves fuel efficiency, reduces discharge.Car owner exists
Short distance only needs that plug-in battery is used in long range traveling to make as power, can open distance increasing unit to improve when driving
The cruising ability of automobile.The use of distance increasing unit reduces the cost of battery and the dependence to charging pile, and in a way around
The technical barrier of hybrid vehicle is opened.
When distance increasing unit in stroke-increasing electric automobile is operated in a certain certain power, fuel efficiency is higher and discharges most
Low, the distance increasing unit in stroke-increasing electric automobile is operated in best operating point at this time.Stroke-increasing electric automobile has different work
State, such as distance increasing unit can simultaneously can be simultaneously to Vehicular accumulator cell and driving motor power supply, distance increasing unit and Vehicular accumulator cell
Generator and distance increasing unit can be used as to Vehicular accumulator cell charging etc. to driving motor power supply, driving motor, but due to vehicle
Carry the limitation of the maximum charging current of power battery, with the variation of stroke-increasing electric automobile working condition, the electronic vapour of extended-range
Distance increasing unit in vehicle cannot keep constant output power, i.e. the output power of distance increasing unit fluctuates in an interval range, this
When distance increasing unit not be operated in best operating point, cause distance increasing unit oil consumption and discharge be not optimum value.
Utility model content
In view of this, the utility model embodiment provides a kind of stroke-increasing electric automobile, realizes distance increasing unit and is opening
The setpoint power output that can be kept constant under state, and distance increasing unit is operated in most preferably when output power is setpoint power output
Operating point effectively increases the fuel efficiency of distance increasing unit in the on state relative to the prior art, reduces the oil of distance increasing unit
Consumption and discharge.
On the one hand, the utility model embodiment provides a kind of stroke-increasing electric automobile, including：
Automobile drive electric motor, the automobile drive electric motor are used to drive the vehicle wheel rotation of the stroke-increasing electric automobile；
Energy-storage system, the energy-storage system include high density energy-storage travelling wave tube and high power energy-storage travelling wave tube, are driven with the automobile
Dynamic motor connection, for powering to the automobile drive electric motor；
Distance increasing unit, the distance increasing unit are connect respectively with the energy-storage system and the automobile drive electric motor, for described
Energy-storage system or automobile drive electric motor power supply；
The setpoint power output W1 that the distance increasing unit is kept constant in the on state, and the distance increasing unit is in output power
During for setpoint power output W1, it is operated in best operating point.
Further, when environment temperature is less than set temperature value, the high power energy-storage travelling wave tube is additionally operable to the height
Density energy-storage travelling wave tube transmits heat.
Further, the stroke-increasing electric automobile further includes：
Heating unit, the heating unit connect respectively with the high density energy-storage travelling wave tube and the high power energy-storage travelling wave tube
It connects；When environment temperature is less than set temperature value, the high power energy-storage travelling wave tube is used to pass through the heating unit to the height
Density energy-storage travelling wave tube transmits heat.
Further, the high density energy-storage travelling wave tube is connect with the high power energy-storage travelling wave tube；
When the electric energy stored in the high power energy-storage travelling wave tube is higher than the first setting energy value, the high power energy storage member
Part is used to power to the high density energy-storage travelling wave tube；
The electric energy stored in the high power energy-storage travelling wave tube is less than setting temperature less than the second setting energy value, environment temperature
Angle value and when the stroke-increasing electric automobile is converted to close off state by opening, the high density energy-storage travelling wave tube is used for institute
State the power supply of high power energy-storage travelling wave tube.
Further, the distance increasing unit starts when the electricity of the high density energy-storage travelling wave tube is less than setting charge value.
Further, the distance increasing unit to the energy-storage system power when, the distance increasing unit in the on state described
Setpoint power output W1, the charge power W2 of the high density energy-storage travelling wave tube, the automobile drive electric motor drive the wheel to turn
Dynamic power W3 and the energy storage power W4 of the high power energy-storage travelling wave tube meet the following conditions：W1-W2-W3=W4.
Further, when the stroke-increasing electric automobile is in on-position, the automobile drive electric motor is changed into hair
Motor, for powering to the energy-storage system；In this case, the automobile drive electric motor drives the power of the vehicle wheel rotation
W3 is zero；
The energy storage power W4 of the high power energy-storage travelling wave tube is exported including the distance increasing unit to the high power energy-storage travelling wave tube
Power W41 and the power W42 that is exported to the high power energy-storage travelling wave tube of the automobile drive electric motor.
Further, the high power energy-storage travelling wave tube includes super capacitor.
Further, the high density energy-storage travelling wave tube includes vehicle mounted dynamic battery.
The utility model embodiment provides a kind of stroke-increasing electric automobile, by the way that extended-range automobile is set to be driven including automobile
Dynamic motor, energy-storage system and distance increasing unit, setting energy-storage system include high density energy-storage travelling wave tube and high power energy-storage travelling wave tube, for
Automobile drive electric motor power, setting distance increasing unit connect respectively with energy-storage system and automobile drive electric motor, for energy-storage system with
Automobile drive electric motor is powered, the setpoint power output W1 that distance increasing unit is especially set to keep constant in the on state, and increases journey
Device is operated in best operating point, the i.e. output work of distance increasing unit in the on state when output power is setpoint power output W1
Rate is constant, by the setting of high power energy-storage travelling wave tube, solves in the prior art due to high density energy-storage travelling wave tube charging current
Limitation, distance increasing unit can not be operated in best operating point caused by the output-power fluctuation of distance increasing unit, and distance increasing unit fires caused by
The problem of oily efficiency is low, oil consumption and excessively high discharge so that distance increasing unit can always work in best operating point in the on state,
The fuel efficiency of distance increasing unit is effectively increased, reduces the oil consumption and discharge of distance increasing unit.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art does one and simply introduces, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of a kind of stroke-increasing electric automobile that the utility model embodiment one provides；
Fig. 2 is the energy transmission relation schematic diagram of a kind of stroke-increasing electric automobile that the utility model embodiment one provides；
Fig. 3 is a kind of flow signal for the control method of stroke-increasing electric automobile that the utility model embodiment two provides
Figure.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, implement hereinafter with reference to the utility model
Attached drawing in example, clearly and completely describes the technical solution of the utility model, it is clear that described implementation by embodiment
Example is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, this field
Those of ordinary skill's all other embodiments obtained without making creative work, belong to the utility model
The range of protection.
Embodiment one
Fig. 1 is the structure diagram of a kind of stroke-increasing electric automobile that the utility model embodiment one provides, and Fig. 2 is this
A kind of energy transmission relation schematic diagram for stroke-increasing electric automobile that utility model embodiment one provides.With reference to Fig. 1 and Fig. 2, increase
Formula electric vehicle includes automobile drive electric motor 10, energy-storage system 1 and distance increasing unit 13.Wherein, energy-storage system 1 includes high density
Energy-storage travelling wave tube 11 and high power energy-storage travelling wave tube 12, energy-storage system 1 are connect with automobile drive electric motor 10, distance increasing unit 13 respectively with energy storage
System 1 and automobile drive electric motor 10 connect.Illustratively, high density energy-storage travelling wave tube 11 can be vehicle mounted dynamic battery, high power
Energy-storage travelling wave tube 12 can be super capacitor.
Specifically, the vehicle wheel rotation of stroke-increasing electric automobile, example can be driven after the acquisition electric energy of automobile drive electric motor 10
Property, automobile drive electric motor 10 can drive the vehicle wheel rotation of stroke-increasing electric automobile by speed changer, can not also pass through change
The vehicle wheel rotation of fast device driving stroke-increasing electric automobile.Energy-storage system 1 can power to automobile drive electric motor 10, and distance increasing unit 13 exists
It can power to energy-storage system 1 under opening and either power or simultaneously to 1 He of energy-storage system to automobile drive electric motor 10
Automobile drive electric motor 10 is powered.Optionally, distance increasing unit 13 is opened when the electricity of high density energy-storage travelling wave tube 11 is less than setting charge value
Dynamic, i.e., when the electricity of high density energy-storage travelling wave tube 11 is less than setting charge value, distance increasing unit 13 starts.
The setpoint power output W1 that distance increasing unit 13 can be kept constant in the on state, and distance increasing unit 13 is in output work
Rate is operated in best operating point when being setpoint power output W1, when distance increasing unit 13 is operated in best operating point, fuel efficiency
It is higher, and discharge minimum.In this way, high power energy-storage travelling wave tube 12 and high density energy-storage travelling wave tube 11 is made to form energy-storage system 1, pass through height
The setting of power energy-storage travelling wave tube 12 overcomes the limitation of prior art middle-high density energy-storage travelling wave tube 11, i.e. distance increasing unit 13 is operated in
It, can beyond the part of 11 ability to bear of high density energy-storage travelling wave tube during setpoint power output W1 into the electric energy that energy-storage system 1 provides
To be stored in high power energy-storage travelling wave tube 12, setting output work that distance increasing unit 13 keeps constant in the on state is realized with this
Rate, i.e., relative to the prior art, distance increasing unit 13, which only has, opens and closes two states, and distance increasing unit 13 is in the on state
Fuel efficiency it is higher, oil consumption and discharge it is minimum, the fuel efficiency of distance increasing unit 13 is improved relative to the prior art, reduces oil
Consumption and discharge.
Optionally, when environment temperature is less than set temperature value, high power energy-storage travelling wave tube 12 can be also used for high density
Energy-storage travelling wave tube 11 transmits heat.Specifically, the energy efficiency of battery represents that within the time of equal charging and discharging battery is put
Go out electricity and be filled with the percentage of electricity, is i.e. the energy efficiency of battery is higher, and the electric energy that battery is capable of providing is more, the profit of battery
It is higher with rate.The discharge capacity of high density energy-storage travelling wave tube 11 is affected by the environment temperature residing for stroke-increasing electric automobile, when
When environment temperature residing for extended-range automobile is less than set temperature value, the discharge capacity of high density energy-storage travelling wave tube 11 is smaller, i.e., high
The energy efficiency of density energy-storage travelling wave tube 11 is smaller, and high power energy-storage travelling wave tube 12 is hardly influenced by environment temperature.Example
Property, high power energy-storage travelling wave tube 12 for example can be super capacitor, and super capacitor has good low-temperature characteristics, at this moment high power
Energy-storage travelling wave tube 12 can transmit heat to high density energy-storage travelling wave tube 11, when environment temperature is less than set temperature value, effectively improve
The energy efficiency of high density energy-storage travelling wave tube 11.
Optionally, stroke-increasing electric automobile can also include heating unit, heating unit can respectively with high density energy storage
Element 11 and high power energy-storage travelling wave tube 12 connect, and when environment temperature is less than set temperature value, high power energy-storage travelling wave tube 12 can be with
Heat is transmitted to high density energy-storage travelling wave tube 11 by heating unit.High power energy-storage travelling wave tube 12 can also be by other means to height
Density energy-storage travelling wave tube 11 transmits heat, and the utility model embodiment is not construed as limiting this.
Optionally, high density energy-storage travelling wave tube 11 is connect with high power energy-storage travelling wave tube 12, is stored up in high power energy-storage travelling wave tube 12
When the electric energy deposited is higher than the first setting energy value, high power energy-storage travelling wave tube 12 is used to power to high density energy-storage travelling wave tube 11；In height
For the electric energy stored in power energy-storage travelling wave tube 12 less than the second setting energy value, environment temperature is less than set temperature value and extended-range electricity
When electrical automobile is converted to close off state by opening, high density energy-storage travelling wave tube 11 is used to power to high power energy-storage travelling wave tube 12.
Illustratively, when the electric energy stored in high power energy-storage travelling wave tube 12 is higher than the first setting energy value, high power energy-storage travelling wave tube 12
Electric energy can be provided to high density energy-storage travelling wave tube 11, to improve capacity usage ratio.Illustratively, when cut-offfing, if environment temperature
Degree is less than set temperature value, and at such as less than 0 DEG C, and the electric energy stored in high power energy-storage travelling wave tube 12 is less than the second setting electric energy
During value, high density energy-storage travelling wave tube 11 can power to high power energy-storage travelling wave tube 12, so that when driving next time, high power energy storage is first
Part 12 can transmit heat to high density energy-storage travelling wave tube 11, improve high density energy storage when environment temperature is less than set temperature value
The energy efficiency of element 11.
Optionally, distance increasing unit 13 to energy-storage system 1 power when, the setpoint power output of distance increasing unit 13 in the on state
W1, the charge power W2 of high density energy-storage travelling wave tube 11, automobile drive electric motor 10 drive the power W3 and high power of vehicle wheel rotation
The energy storage power W4 of energy-storage travelling wave tube 12 can meet W1-W2-W3=W4.It is imitated by the energy storage for adjusting high power energy-storage travelling wave tube 12
Rate W4 enables to the setpoint power output W1 of distance increasing unit 13 in the on state constant.
Illustratively, following several situations can be included：
A kind of situation, optionally, distance increasing unit 13 are formed simultaneously to high density energy-storage travelling wave tube 11 and high power energy-storage travelling wave tube 12
Energy-storage system 1 and automobile drive electric motor 10 power.In this case, the setting of distance increasing unit 13 in the on state is defeated
Go out power W1, the charge power W2 of high density energy-storage travelling wave tube 11, automobile drive electric motor 10 drive vehicle wheel rotation power W3 and
The energy storage power W4 of high power energy-storage travelling wave tube 12 meets W1-W2-W3=W4, i.e. high power energy-storage travelling wave tube 12 can store increasing journey
In output current when device 13 is operated in setpoint power output W1, the electric current that distance increasing unit 13 is exported to automobile drive electric motor 10 is removed
Outside, beyond the part of the charging current of high density energy-storage travelling wave tube 11, the setting of distance increasing unit 13 in the on state to be maintained to export
Power W1 is invariable, equally distance increasing unit 13 can be made to be operated in best operating point, improves the fuel efficiency of distance increasing unit 13, and
The discharge for making distance increasing unit 13 is minimum.
Another situation, optionally, when stroke-increasing electric automobile is in on-position, automobile drive electric motor 10 changes
It powers for generator to energy-storage system 1；In this case, automobile drive electric motor 10 drives the power W3 of the vehicle wheel rotation to be
Zero；The energy storage power W4 of high power energy-storage travelling wave tube 12 include power W41 that distance increasing unit 13 export to high power energy-storage travelling wave tube 12 with
The power W42 that automobile drive electric motor 10 is exported to high power energy-storage travelling wave tube 12.Specifically, stroke-increasing electric automobile on-position
When can carry out the recycling of energy, automobile drive electric motor 10 can be used as generator to provide electric energy to energy-storage system 1, increase journey at this time
Device 13 is also powered to energy-storage system 1.In this case, the power that distance increasing unit 13 is exported to high power energy-storage travelling wave tube 12 is W41,
Energy storage power of the automobile drive electric motor 10 to the power that high power energy-storage travelling wave tube 12 exports for W42, then high power energy-storage travelling wave tube 12
W4 includes W41 and W42, i.e. W4=W41+W42.The setpoint power output W1 in the on state of distance increasing unit 13 and high density
The charge power W2 of energy-storage travelling wave tube 11 meets W1-W2=W41, and high power energy-storage travelling wave tube 12 can store distance increasing unit 13 and be operated in
Beyond the part of the charging current of high density energy-storage travelling wave tube 11, corresponding W1-W2 is gone back output current during setpoint power output W1
The electric current that automobile drive electric motor 10 is exported to high power energy-storage travelling wave tube 12, corresponding W42 can be stored.Distance increasing unit 13 is in opening state
The charge power W2 of setpoint power output W1, high density energy-storage travelling wave tube 11 under state, the energy storage power of high power energy-storage travelling wave tube 12
W4 meets W1-W2+W42=W4, distance increasing unit 13 can be maintained to exist by adjusting the energy storage power of high power energy-storage travelling wave tube 12 in this way
Setpoint power output W1 under opening is invariable, can maintain distance increasing unit 13 that can be operated in the on state
Best operating point substantially increases the fuel efficiency of distance increasing unit 13 relative to the prior art, reduce distance increasing unit 13 oil consumption and
Discharge.
Another situation, optionally, when extended-range automobile is both not at drive mode, not also in braking mode, i.e. vapour
Vehicle driving motor 10 neither drives vehicle wheel rotation, and it is zero that automobile drive electric motor 10, which drives the power W3 of vehicle wheel rotation, also not to it
When its component is powered, the energy-storage system 1 that distance increasing unit 13 is formed to high density energy-storage travelling wave tube 11 and high power energy-storage travelling wave tube 12 is powered.
In this case, the charge power of the setpoint power output W1 in the on state of distance increasing unit 13, high density energy-storage travelling wave tube 11
The energy storage power W4 of W2 and high power energy-storage travelling wave tube 12 meets W1-W2=W4, and on-position is in different from extended-range automobile
When high power energy-storage travelling wave tube 12 energy storage power W4, at this time the energy storage power W4 of high power energy-storage travelling wave tube 12 only include distance increasing unit
13 power exported to high power energy-storage travelling wave tube 12.It is operated in and sets at this point, high power energy-storage travelling wave tube 12 can store distance increasing unit 13
In output current when determining output power W1, beyond the part of the charging current of high density energy-storage travelling wave tube 11, to maintain distance increasing unit
13 setpoint power output W1 in the on state is invariable.
Another situation, optionally, distance increasing unit 13 and energy-storage system 1 can power to automobile drive electric motor 10 simultaneously, i.e.,
When distance increasing unit 13 is operated in constant setpoint power output W1, it is not enough to provide enough electric energy to automobile drive electric motor 10 with full
The requirement of sufficient stroke-increasing electric automobile speed etc., at this point, high power energy-storage travelling wave tube 12 and high density energy-storage travelling wave tube 11 are formed
Energy-storage system 1 can power to automobile drive electric motor 10 so that distance increasing unit 13 is operated in constant setpoint power output W1, make
The fuel efficiency of distance increasing unit 13 is higher, and oil consumption and discharge are minimum.
Another situation, optionally, only distance increasing unit 13 is powered to automobile drive electric motor 10, and distance increasing unit 13 is operated in perseverance at this time
Fixed setpoint power output W1 can supply the speed requirement that automobile drive electric motor 10 drives stroke-increasing electric automobile just, increase journey
Device 13 is operated in best operating point, i.e. the fuel efficiency of distance increasing unit 13 is higher, and oil consumption and discharge are minimum.
Illustratively, control device can be set in stroke-increasing electric automobile, and control device can be according to extended-range electricity
The storing electricity state of each element in the operating status of electrical automobile or energy-storage system 1, is realized in distance increasing unit 13, energy-storage system 1
High power energy-storage travelling wave tube 12 and high density energy-storage travelling wave tube 11 and automobile drive electric motor 10 between energy transmission relationship control
System, the control device can be integrated in the stroke-increasing electric automobile, can also the plug-in and stroke-increasing electric automobile；Institute
Multiple sub- control devices can also be included by stating control device, correspond to the high power energy storage member in distance increasing unit 13, energy-storage system 1 respectively
Part 12 and high density energy-storage travelling wave tube 11 and automobile drive electric motor 10 are set, and the utility model embodiment is not construed as limiting this.
It should be noted that the utility model embodiment shows that attached drawing is only exemplary the size for representing each element, not
Represent the actual size of each element in photoswitch.
The utility model embodiment is by setting extended-range automobile to include automobile drive electric motor 10, energy-storage system 1 and increasing journey
Device 13, setting energy-storage system 1 includes high density energy-storage travelling wave tube 11 and high power energy-storage travelling wave tube 12, for automobile drive electric motor 10
Power supply, setting distance increasing unit 13 are connect respectively with energy-storage system 1 and automobile drive electric motor 10, for being driven to energy-storage system 1 and automobile
Dynamic motor 10 is powered, the setpoint power output W1 that distance increasing unit 13 is especially set to keep constant in the on state, and distance increasing unit
13, when output power is setpoint power output W1, are operated in best operating point, the i.e. output of distance increasing unit 13 in the on state
Power invariability by the setting of high power energy-storage travelling wave tube 12, is solved in the prior art since high density energy-storage travelling wave tube 11 charges
The limitation of electric current, distance increasing unit 13 can not be operated in best operating point caused by the output-power fluctuation of distance increasing unit 13, and then cause
13 fuel efficiency of distance increasing unit it is low, oil consumption and discharge the problem of excessively high so that distance increasing unit 13 in the on state being capable of work always
Make, in best operating point, to effectively increase the fuel efficiency of distance increasing unit 13, reduce the oil consumption and discharge of distance increasing unit 13.
Embodiment two
On the basis of above-described embodiment, Fig. 3 is a kind of stroke-increasing electric automobile that the utility model embodiment two provides
Control method flow diagram, the technical solution of the present embodiment, which can be applied, to be needed to control stroke-increasing electric automobile
The scene of system can be performed by the stroke-increasing electric automobile that the utility model embodiment provides.This method includes：
S110, when distance increasing unit is in opening, the control setpoint power output W1 that keeps constant of distance increasing unit, and increasing
Journey device is operated in best operating point when output power is setpoint power output W1.
When illustratively, distance increasing unit is in opening, power including distance increasing unit to energy-storage system and automobile drive electric motor,
Distance increasing unit and automobile drive electric motor are powered to energy-storage system, distance increasing unit only to energy-storage system power supply, distance increasing unit and energy-storage system to
Automobile drive electric motor is powered and distance increasing unit is only to automobile drive electric motor 5 kinds of situations of power supply, and the corresponding situation can utilize
High power energy-storage travelling wave tube is stored into the electric current that energy-storage system exports beyond the part of the charging current of high density energy-storage travelling wave tube, is made
The setpoint power output W1 that distance increasing unit can be kept constant in the on state is obtained, i.e. distance increasing unit can work in the on state
In best operating point, higher fuel efficiency is maintained, and discharge minimum.
The utility model embodiment is by the way that when distance increasing unit is in opening, the setting that control distance increasing unit is kept constant is defeated
Go out power W1, and distance increasing unit is operated in best operating point, solves the prior art when output power is setpoint power output W1
In due to the limitation of vehicle mounted dynamic battery maximum charging current, distance increasing unit can not work caused by the output-power fluctuation of distance increasing unit
The problem of in best operating point, distance increasing unit fuel efficiency is low caused by, oil consumption and excessively high discharge so that distance increasing unit is being opened
Best operating point can be always worked under state, effectively increases the fuel efficiency of distance increasing unit, reduces the oil consumption of distance increasing unit
And discharge.
Note that it above are only the preferred embodiment of the utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment here, can carry out for a person skilled in the art various apparent
Change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although by above example to this
Utility model is described in further detail, but the utility model is not limited only to above example, is not departing from this reality
In the case of with novel design, other more equivalent embodiments can also be included, and the scope of the utility model is by appended power
Sharp claimed range determines.
Claims (6)
1. a kind of stroke-increasing electric automobile, which is characterized in that including：
Automobile drive electric motor, the automobile drive electric motor are used to drive the vehicle wheel rotation of the stroke-increasing electric automobile；
Energy-storage system, the energy-storage system include high density energy-storage travelling wave tube and high power energy-storage travelling wave tube, with Automobile drive electricity
Machine connects, for powering to the automobile drive electric motor；
Distance increasing unit, the distance increasing unit are connect respectively with the energy-storage system and the automobile drive electric motor, for the energy storage
System or automobile drive electric motor power supply.
2. stroke-increasing electric automobile according to claim 1, which is characterized in that the high power energy-storage travelling wave tube be additionally operable to
The high density energy-storage travelling wave tube transmits heat.
3. stroke-increasing electric automobile according to claim 2, which is characterized in that further include：
Heating unit, the heating unit are connect respectively with the high density energy-storage travelling wave tube and the high power energy-storage travelling wave tube, institute
High power energy-storage travelling wave tube is stated for transmitting heat to the high density energy-storage travelling wave tube by the heating unit.
4. stroke-increasing electric automobile according to claim 1, which is characterized in that the high density energy-storage travelling wave tube and the height
Power energy-storage travelling wave tube connects.
5. stroke-increasing electric automobile according to claim 1, which is characterized in that the high power energy-storage travelling wave tube includes super
Capacitance.
6. stroke-increasing electric automobile according to claim 1, which is characterized in that the high density energy-storage travelling wave tube includes vehicle-mounted
Power battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606643.XU CN207549972U (en) | 2017-05-26 | 2017-05-26 | A kind of stroke-increasing electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606643.XU CN207549972U (en) | 2017-05-26 | 2017-05-26 | A kind of stroke-increasing electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207549972U true CN207549972U (en) | 2018-06-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606643.XU Expired - Fee Related CN207549972U (en) | 2017-05-26 | 2017-05-26 | A kind of stroke-increasing electric automobile |
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| CN (1) | CN207549972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238911A (en) * | 2020-09-10 | 2021-01-19 | 宝能(广州)汽车研究院有限公司 | Type selection method of range extender |
-
2017
- 2017-05-26 CN CN201720606643.XU patent/CN207549972U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238911A (en) * | 2020-09-10 | 2021-01-19 | 宝能(广州)汽车研究院有限公司 | Type selection method of range extender |
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