CN204623183U - A kind of power unit of electric car - Google Patents
A kind of power unit of electric car Download PDFInfo
- Publication number
- CN204623183U CN204623183U CN201520258761.7U CN201520258761U CN204623183U CN 204623183 U CN204623183 U CN 204623183U CN 201520258761 U CN201520258761 U CN 201520258761U CN 204623183 U CN204623183 U CN 204623183U
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- Prior art keywords
- drive motor
- controller
- slip clutch
- current sensor
- tachogenerator
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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
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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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Abstract
The utility model relates to a kind of power unit of electric car, and this device is applicable to the driving of electronlmobil.Its technical scheme: main drive motor output shaft one end is affixed with diff (4) and electromagnetic slip clutch output shaft by coupler (3) successively; Main drive motor controller (21) controls the operation of described main drive motor; Acceleration pedal (11) provides operation signal to main drive motor controller; Electromagnetic slip clutch (5) has input shaft and output shaft; Also be provided with current sensor (15), current sensor controller (31), electromagnetic slip clutch controller (32), auxiliary drive motor (6), raising speed gear case (7), auxiliary drive motor controller (22), flywheel (8), tachogenerator (801), tachogenerator controller (33).After adopting technique scheme, improve engine installation transmission effect, reduce the multiple of battery pack multiplying power discharging, extend the service life of battery pack.
Description
Technical field
The utility model relates to a kind of power unit of electric car.This device adopts and combinationally uses double motor, flywheel and electromagnetic slip clutch structure, effectively improves the power conveying effect of electronlmobil, is applicable to the driving of electronlmobil.
Background technology
Along with the high speed development of auto-industry, all kinds of new-energy automobile continues to bring out, as pure electric automobile.The battery pack multiplying power discharging that pure electric automobile uses is a difficult problem, and it has a strong impact on Power output effect and the battery life of electronlmobil.
For improving the battery pack actual condition life-span, someone proposes one group of super capacitor effect in parallel between series battery.As China Patent Publication No. CN1833908A discloses a kind of hybrid vehicle, which employs battery and the cond with high capacitance.But the price of super capacitor is high, one group of super capacitor matched with series battery, its price is equal to or greater than the price of one group of lithium-ion-power cell, and it is uneconomical.
For convenience of braking and recovery braking energy, elec. vehicle as open in China Patent Publication No. CN102781711A and control method thereof, it has dynamotor, comprises the direct supply of electrical storage device and motor control part.Dynamotor be configured to can this motor generator and and the axle drive shaft that connects of drive wheel between transmitting torque mutually.So, deceleration torque can be produced with regenerative electric power by dynamotor.The method finds in real-world operation, and the drag time is short, converts electric energy generation charging current to large by mechanical kinetic energy drive electrical generators.So, electric energy converts the process of chemical power energy storage to, and the feedback efficiency of feedback energy storage is very limited; And instantaneous large-current feedback charging, serious to the injury of battery pack, greatly shorten battery pack service life.
Separately, contriver proposed a kind of engine installation of electronlmobil before the application, Chinese patent notification number CN203727160U, and it is by the hybrid drive arrangement of air-electric power, reduce the work load of battery pack, this structure needs extra air structure assembly.
The drag of existing electronlmobil needs to use negative pressure of vacuum pump, negative pressure of vacuum pump cost is high, noise is large, energy consumption is large, the life-span is short, inefficiency, period of service is slightly long, the degree of vacuum of vacuum pump declines, the degree of vacuum of out of reach vacuum booster pump, drag weak effect can be caused, time serious, even occur that drag is malfunctioning.
According to thousand, national ten city electronlmobil running condition feedback information, the service efficiency of battery pack and charge and discharge circulation life are very low, the efficiency of drive motor declines serious, cause using for 1 year and substantially can use, two yearly efficiencies obviously decline, the distance that continues greatly shortens and can not normally use, and within 3 years, substantially can not use, even battery pack is entirely ineffective.
Summary of the invention
The purpose of this utility model is for deficiency of the prior art, a kind of power unit of electric car is provided, its object is to: integrated use double motor, flywheel and electromagnetic slip clutch structure, improve engine installation transmission effect, reduce the multiple of battery pack multiplying power discharging, extend the service life of battery pack.
For achieving the above object, the utility model is by the following technical solutions:
A kind of power unit of electric car, it includes:
Main drive motor, described main drive motor output shaft one end successively by coupler and diff and electromagnetic slip clutch output shaft affixed;
Master battery pack, described master battery pack provides electric power by main drive motor controller to described main drive motor;
Main drive motor controller, described main drive motor controller controls the operation of described main drive motor;
Acceleration pedal, described acceleration pedal provides operation signal to main drive motor controller;
Electromagnetic slip clutch, described electromagnetic slip clutch has input shaft and output shaft;
Wherein:
Also be provided with current sensor, current sensor controller, electromagnetic slip clutch controller, auxiliary drive motor, raising speed gear case, auxiliary drive motor controller, flywheel, tachogenerator, tachogenerator controller;
Auxiliary drive motor, described auxiliary drive motor output shaft one end and described electromagnetic slip clutch input shaft coaxially affixed, the power input shaft of the described auxiliary drive motor output shaft other end and described raising speed gear case is affixed;
Raising speed gear case, described raising speed gear case has power input shaft and power take-off shaft;
Flywheel, the power take-off shaft of flywheel and described raising speed gear case is affixed;
Auxiliary drive motor controller, described auxiliary drive motor controller controls the operation of described auxiliary drive motor; Described master battery pack provides electric power by auxiliary drive motor controller to described auxiliary drive motor;
Current sensor, described current sensor detects the outgoing current of described master battery pack;
Electromagnetic slip clutch controller, described electromagnetic slip clutch controller controls described electromagnetic slip clutch according to the detection signal of described current sensor, brake signal, astern signal respectively;
Current sensor controller, described current sensor controller controls electromagnetic slip clutch controller according to the detection signal of described current sensor;
Tachogenerator, described tachogenerator detects the rotating speed of described flywheel;
Tachogenerator controller, described tachogenerator controller controls auxiliary drive motor controller according to the detection signal of described tachogenerator.
Further, also be provided with negative pressure of vacuum producer and centrifugal fan wheel, centrifugal fan wheel is placed in negative pressure of vacuum producer, and centrifugal fan wheel and described flywheel coaxially affixed, negative pressure of vacuum producer is provided with adjustable air fil, admission port and air outlet.
Further, described air outlet is towards described auxiliary drive motor direction.
Further, described current sensor is Hall current sensor.
Further, described tachogenerator is Hall tachogenerator.
Further, described electromagnetic slip clutch is electromagnetism magnetic-powder clutch.
Adopt the beneficial effect after technique scheme:
1, integrated use auxiliary drive motor preparation energy storage, the energy storage of drag energy feedback, auxiliary drive motor and main drive motor take turns to operate respectively, reduce the multiplying power discharging of batteries of electric automobile group, reduce discharge current, reduce the temperature rise of battery pack, the hybrid power realizing flywheel energy storage-auxiliary drive motor-main drive motor drives, and improves engine installation transmission effect.
2, when electronlmobil starting, acceleration, climbing, the power of helper motor+flywheel energy storage is formed by the slip power of electromagnetic slip clutch and main drive motor according to battery power discharge electric current in good time makes a concerted effort, improve the accelerating ability of electronlmobil, the discharge current reducing battery pack reduces or avoids the multiplying power discharging phenomenon of battery pack in actual condition use, reduce the temperature rise of battery pack, extending battery life; Avoid drive motor and be often operated in peak power, reduce the temperature rise of motor, improve the efficiency of drive motor, effectively extend the distance that continues of electronlmobil simultaneously.
3, when electronlmobil accelerates, each turning cylinder is connected by the slip power of electromagnetic slip clutch, and realize helper motor, flywheel energy storage, main drive motor make a concerted effort to export energy, automobile acceleration capability is good.Only need control the exciting current of electromagnetic slip clutch controller to electromagnetic slip clutch, just effectively can improve the acceleration capability of electronlmobil immediately.
4, during electronlmobil brake, the feedback of drag energy is directly stored with rotary flyweights form by transmission shaft, avoids, and the short time, the high flow capacity that reduce master battery pack charge repeatedly, extend the service life of master battery pack, reduce waste of power.
5, in prior art, electronlmobil needs to use partial negative pressure equipment, as brake system.For providing negative pressure, prior art generally extra employing vacuum pump independent supporting corresponding Circuits System.After using the utility model, centrifugal fan wheel uses the High Rotation Speed of flywheel to produce high velocity air, directly in vacuum generator, produces certain negative pressure, when negative pressure equipment uses, only need the admission port directly connected by pipeline on vacuum generator, with low cost, safeguard simple, reliability is strong.Separately, the air outlet of vacuum generator directly to external moving part, as mair motor, helper motor, can provide cooling air quantity, avoids extra cooling fan design, compact conformation.
Accompanying drawing explanation
Fig. 1 is the utility model structure and control circuit figure.
In figure: 1, main drive motor output shaft, 2, main drive motor, 3, coupler, 4, diff, 5, electromagnetic slip clutch, 6, auxiliary drive motor, 601, auxiliary drive motor output shaft, 7, raising speed gear case, 8, flywheel, 801, tachogenerator, 9, vacuum generator, 901, adjustable airfilter, 902, Vacuum container, 903, air outlet, 10, centrifugal fan wheel, 11, acceleration pedal, 12, astern signal, 13, brake signal, 14, master battery pack, 15, current sensor, 16, accessory feed, 21, main drive motor controller, 22, auxiliary drive motor controller, 31, current sensor controller, 32, electromagnetic slip clutch controller, 33, tachogenerator controller.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Electromagnetic slip clutch, it has input shaft and output shaft to merge to form.Space between input shaft and output shaft, is filled with granular magnetic.When magnet coil no power, torque can not pass in driven shaft from turning cylinder, but as being energized by magnet coil, just attracts magnetic to produce hardening phenomenon due to the effect of magnetic force, torque can be passed between sliding continuously.Pass on torque and exciting current in direct ratio, high-precision control can be realized; Superpower superalloy magnetic, heat-resisting, abrasion performance, antioxidant withstanding corrosion, the life-span is long.Magnetic powder binding force is each other stablized, and slip torque is highly stable, and continuous slip power is large, shock-free round and smooth link, and accelerating ability is stablized and the spike torque of impact is not occurred, and drag torque is minimum, can not cause useless cal val.Magnetic-powder clutch has light weight, exempts from maintenance, and the life-span is long, and be applicable to high frequency running, quick separating and combination, can not cause vibrations.
Embodiment one
As shown in Figure 1, a kind of power unit of electric car, it includes main power part, auxiliary power source part and flywheel energy storage part.
Main power part, it includes main drive motor 2, main drive motor controller 21, acceleration pedal 11 and master battery pack 14, master battery pack provides electric power by main drive motor controller 21 to described main drive motor, acceleration pedal 11 provides operation signal to main drive motor controller 21, and main drive motor controller 21 controls main drive motor 2.
Auxiliary power source part, it includes auxiliary drive motor 6, auxiliary drive motor controller 22, current sensor 15, current sensor controller 31, electromagnetic slip clutch controller 32, and master battery pack 14 provides electric power by auxiliary drive motor controller 22 to auxiliary drive motor 6; Current sensor 15 detects the outgoing current of aforementioned master battery pack 14, and transmits detection signal respectively to auxiliary drive motor controller 22, current sensor controller 31; Auxiliary drive motor controller 22 controls auxiliary drive motor 6 according to the detection signal of current sensor; Current sensor controller 31 controls electromagnetic slip clutch controller 32 according to the detection signal of current sensor, and electromagnetic slip clutch controller 32 controls electromagnetic slip clutch 5 according to current sensor controller 31, brake signal 13, astern signal 12 respectively.
Flywheel energy storage part, it includes flywheel 8, tachogenerator 801 and tachogenerator controller 33, and tachogenerator 33 detects the rotating speed of flywheel 8, and tachogenerator controller 33 controls auxiliary drive motor controller 22 according to the detection signal of tachogenerator.
Connected by coupler 3, diff 4, electromagnetic slip clutch 5 successively between main power and auxiliary power source, that is: main drive motor output shaft 1 one end is affixed with diff 4 and electromagnetic slip clutch output shaft by coupler 3 successively, auxiliary drive motor output shaft 601 one end and electromagnetic slip clutch input shaft affixed.
Connected by raising speed gear case 7 between auxiliary power source part and flywheel energy storage part, that is: described raising speed gear case 7 has power input shaft and power take-off shaft, the power input shaft of auxiliary drive motor output shaft 601 other end and raising speed gear case is affixed, and flywheel 8 is affixed with the output shaft of raising speed gear case power.
Current sensor controller 31, electromagnetic slip clutch controller 32 and tachogenerator controller 33 all can but be not limited to provide electric power by accessory feed 16, accessory feed 16 can but be not limited to 12V/24V A-battery.
Above-mentioned current sensor 15 is Hall current sensor preferably.Above-mentioned tachogenerator 801 is Hall tachogenerator preferably.Above-mentioned electromagnetic slip clutch 5 is electromagnetism magnetic-powder clutch preferably.
Its specific works process is as follows:
Before vehicle start, auxiliary drive motor is by raising speed gear case flywheel driven High Rotation Speed, as Speed of Reaction Wheels reaches more than 10000 turns, make the energy of reserve that flywheel reaches certain, now helper motor is operated in below rating horsepower, and the rate of discharge of battery pack is within 0.2C, then progressively electric current declined after about a few second, after flywheel reaches the power rotating speed of setting, control auxiliary drive motor by the controller that tests the speed and quit work, need to arrange with car adjustment.Now electromagnetic slip clutch is in released state completely, and auxiliary drive motor is in unpowered output free rotation state under the inertia of flywheel energy reserve.Centrifugal fan wheel High Rotation Speed under the drive of flywheel simultaneously in vacuum generator, produces negative pressure of vacuum for brake vacuum assist pump and provides negative pressure of vacuum.
Along with bend the throttle during vehicle start, main drive motor is started working, along with the continuous acceleration of vehicle, master battery pack discharge current reach or close to setting electric current >=0.5 ~ 0.8C time, the size of electromagnetic slip clutch magnetic excitation coil electric current is finally controlled by current sensor, the seamless speed governing of flywheel making electromagnetic slip clutch combine fully energy storage is synchronoused working with main drive motor, at this moment master battery pack working current can return and drop between setting electric current 0.5 ~ 0.8C, and master battery pack working current sets within range of current all the time afterwards.Current sensor control circuit controls the size of the exciting current of electromagnetic slip clutch magnet coil all the time, within making the power balance of flywheel energy storage coordinate main drive motor to always work in the rating horsepower of setting.
If continue to strengthen acceleration pedal or moment accelerates suddenly, overloads or climb Chang Po, auxiliary drive motor participates in work when the electric current > 0.8C that current sensor control circuit sets, at this moment fan-out capability mode is main drive motor, helper motor and accumulated energy flywheel, and master battery pack discharge current controls to be no more than between 0.8 ~ 1C maximum.If chaufeur often notes the in good time folding and unfolding of acceleration pedal, the working current of master battery pack can remain on below 0.5C.
When drag, energy feedback.Electromagnetic slip clutch controller controls the maximum exciting current of electromagnetic slip clutch magnet coil without slippage, to be raised speed to accumulated energy flywheel by raising speed gear case, carry out ceiling capacity feedback energy storage, the efficiency of energy feedback will substantially exceed by the chemical power feedback efficiency more than 3 times of drive motor generating to batteries charging.When often repeatedly drag or lower long slope, the energy storage energy of accumulated energy flywheel reaches setting speed, during energy storage energy saturation, tachogenerator controls auxiliary drive motor controller, at this moment accumulated energy flywheel will drive auxiliary drive motor, to the charging of Vehicular battery group, can continue in order to next drag energy flywheel the ability accepting feedback energy storage.The feedback improving drag energy utilizes, and promotes drag energy feedback efficiency.
For the use of electronlmobil, when vehicle is not started to walk or be linked into reverse gear, electromagnetic slip clutch remains released state.When vehicle acceleration is advanced, when master battery pack discharge current is greater than the current value of current sensor setting, electromagnetic slip clutch is started working, the size of the exciting current of magnet coil controls the size of driving torque, current sensor is larger by electric current, the exciting current of magnet coil also will be larger, and the moment of torsion of transmission also will be larger.When vehicle brake is braked, electromagnetic slip clutch is in bonding state completely, transmits mechanical power with maximal efficiency.Play the effect of vehicle quick deceleration and flywheel fast energy storage.
Above system configuration will improve vehicle performance greatly, greatly improve the service life of battery pack, more will greatly improve the mileages of continuation of vehicle, about can extend mileages of continuation more than 30%.
Its concrete effect:
1, the main drive motor power of coupling is about 0.6 ~ 0.7 of the power of motor of former car drive motor now, the power of helper motor is about 0.1, main drive motor and helper motor gross horsepower are 0.8 of former car drive motor power, reduce the power of motor of 20%.
2, fully phase out the drag energy feedback system in former Vehicular system, the great damage to battery pack large current charge when solving former car drag energy feedback, extends the service life of battery pack.
3, the inverter power that DC/DC high-tension battery group is charged to A-battery group is reduced;
4, thoroughly solve rear-axle differential gear to damage more greatly and often due to former car drive motor power configuration and beat the disadvantage of tooth.
5, due to helper motor, co-ordination between flywheel energy storage and main drive motor and drag time energy regenerating, the continual mileage of vehicle significantly improves.
6, flywheel preparation energy storage and feedback braking energy storage, is by electromagnetic slip clutch and the advantage of main drive motor cooperating well to adapt to coordinate the various working condition requirements meeting electronlmobil; The accelerating ability of vehicle is all significantly improved with the traveling comfort taken.
Embodiment two
As shown in Figure 1, embodiment two is the further improvement on embodiment one basis, and it mainly increases negative pressure of vacuum producer 9 and centrifugal fan wheel 10.Negative pressure of vacuum producer 9 is provided with adjustable air fil 901, admission port 902 and air outlet 903.Centrifugal fan wheel is placed in negative pressure of vacuum producer 9, and centrifugal fan wheel and described flywheel coaxially affixed.Air outlet 903 is preferably towards described auxiliary drive motor direction.
After using this programme, the direct-current vacuum pump of electronlmobil configuration in prior art can be cancelled, improve the service life of A-battery group.
In prior art, electronlmobil needs to use partial negative pressure equipment, as brake system.For providing negative pressure, prior art generally extra employing vacuum pump independent supporting corresponding Circuits System.After using the utility model, centrifugal fan wheel uses the High Rotation Speed of flywheel to produce high velocity air, directly produce certain negative pressure at vacuum generator admission port, when negative pressure equipment uses, only need the admission port directly connected by pipeline on vacuum generator, with low cost, safeguard simple, reliability is strong.Separately, the air outlet of vacuum generator directly to external moving part, as mair motor, helper motor, can provide cooling air quantity, avoids extra cooling fan design, compact conformation.
Understand for convenience of those of ordinary skill, Hall tachogenerator and tachogenerator controller can but be not limited to adopt RC51 controllor for step-by-step motor, this controller carries Hall tachogenerator.When rotating speed is lower than certain point or can to report to the police outputs higher than certain point, this alarm set point can according to needing concrete setting, and final control flywheel remains in certain range of speed.
RC51 controllor for step-by-step motor can but be not limited to following specification:
Operating voltage: DC 8 ~ 24V or AC 6 ~ 18V;
Test the speed scope: 99999 revs/min ~ 3.8 revs/min;
Outgoing current: 20mA, for sensor;
Error limit: ± 0.5 ‰ ~ ± 1.5 ‰ rev/min;
Magnet size: Φ 6 × 3, unit: mm;
Operating temperature :-10 DEG C ~ 60 DEG C, relative humidity less than 80%.
Understand for convenience of those of ordinary skill, current sensor can but be not limited to adopt imperial dagger-axe electronics WCS1800 series over-current detection sensor, it has overcurrent/short-circuit protection detection module.
The utility model is not limited to above-described embodiment, and the technical scheme that all employings are equal to replacement or equivalence replacement formation all belongs to the claimed scope of the utility model.
Claims (6)
1. a power unit of electric car, it includes:
Main drive motor (2), described main drive motor output shaft one end is affixed with diff (4) and electromagnetic slip clutch output shaft by coupler (3) successively;
Master battery pack (14), described master battery pack provides electric power by main drive motor controller (21) to described main drive motor;
Main drive motor controller (21), described main drive motor controller controls the operation of described main drive motor (2);
Acceleration pedal (11), described acceleration pedal provides operation signal to main drive motor controller;
Electromagnetic slip clutch (5), described electromagnetic slip clutch has input shaft and output shaft;
It is characterized in that:
Also be provided with current sensor (15), current sensor controller (31), electromagnetic slip clutch controller (32), auxiliary drive motor (6), raising speed gear case (7), auxiliary drive motor controller (22), flywheel (8), tachogenerator (801), tachogenerator controller (33);
Auxiliary drive motor (6), described auxiliary drive motor output shaft one end and described electromagnetic slip clutch input shaft coaxially affixed, the power input shaft of the described auxiliary drive motor output shaft other end and described raising speed gear case is affixed;
Raising speed gear case (7), described raising speed gear case has power input shaft and power take-off shaft;
Flywheel (8), flywheel (8) is affixed with the power take-off shaft of described raising speed gear case;
Auxiliary drive motor controller (22), described auxiliary drive motor controller controls the operation of described auxiliary drive motor; Described master battery pack (14) provides electric power by auxiliary drive motor controller to described auxiliary drive motor;
Current sensor (15), described current sensor (15) detects the outgoing current of described master battery pack;
Electromagnetic slip clutch controller (32), described electromagnetic slip clutch controller controls described electromagnetic slip clutch (5) according to the detection signal of described current sensor, brake signal (13), astern signal (12) respectively;
Current sensor controller (31), described current sensor controller controls electromagnetic slip clutch controller (32) according to the detection signal of described current sensor;
Tachogenerator (801), described tachogenerator detects the rotating speed of described flywheel;
Tachogenerator controller (33), described tachogenerator controller controls auxiliary drive motor controller (22) according to the detection signal of described tachogenerator.
2. a kind of power unit of electric car according to claim 1, it is characterized in that: be also provided with negative pressure of vacuum producer (9) and centrifugal fan wheel (10), centrifugal fan wheel is placed in negative pressure of vacuum producer (9), and centrifugal fan wheel and described flywheel coaxially affixed, negative pressure of vacuum producer (9) is provided with adjustable air fil (901), admission port (902) and air outlet (903).
3. a kind of power unit of electric car according to claim 2, is characterized in that: described air outlet is towards described auxiliary drive motor direction.
4. a kind of power unit of electric car according to claim 1, is characterized in that: described current sensor (15) is Hall current sensor.
5. a kind of power unit of electric car according to claim 1, is characterized in that: described tachogenerator (801) is Hall tachogenerator.
6. a kind of power unit of electric car according to claim 1, is characterized in that: described electromagnetic slip clutch (5) is electromagnetism magnetic-powder clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258761.7U CN204623183U (en) | 2015-04-24 | 2015-04-24 | A kind of power unit of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258761.7U CN204623183U (en) | 2015-04-24 | 2015-04-24 | A kind of power unit of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204623183U true CN204623183U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520258761.7U Withdrawn - After Issue CN204623183U (en) | 2015-04-24 | 2015-04-24 | A kind of power unit of electric car |
Country Status (1)
| Country | Link |
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| CN (1) | CN204623183U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613829A (en) * | 2014-12-26 | 2015-05-13 | 中国人民解放军总装备部军械技术研究所 | Energy-prestorage rotating transmission device |
| CN106143174A (en) * | 2015-04-24 | 2016-11-23 | 周伟 | A kind of power unit of electric car |
| CN110901416A (en) * | 2019-12-25 | 2020-03-24 | 傲基科技股份有限公司 | A compensation system and compensation method based on the speed difference of two motors |
-
2015
- 2015-04-24 CN CN201520258761.7U patent/CN204623183U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613829A (en) * | 2014-12-26 | 2015-05-13 | 中国人民解放军总装备部军械技术研究所 | Energy-prestorage rotating transmission device |
| CN106143174A (en) * | 2015-04-24 | 2016-11-23 | 周伟 | A kind of power unit of electric car |
| CN106143174B (en) * | 2015-04-24 | 2018-06-15 | 周伟 | A kind of power unit of electric car |
| CN110901416A (en) * | 2019-12-25 | 2020-03-24 | 傲基科技股份有限公司 | A compensation system and compensation method based on the speed difference of two motors |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20150909 Effective date of abandoning: 20180615 |