CN105438257B - The electrical auxiliary system of Hybrid Vehicle - Google Patents
The electrical auxiliary system of Hybrid Vehicle Download PDFInfo
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- CN105438257B CN105438257B CN201510781090.7A CN201510781090A CN105438257B CN 105438257 B CN105438257 B CN 105438257B CN 201510781090 A CN201510781090 A CN 201510781090A CN 105438257 B CN105438257 B CN 105438257B
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- Prior art keywords
- low
- voltage
- hybrid vehicle
- engine
- converter
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
Abstract
The invention discloses a kind of electrical auxiliary systems of Hybrid Vehicle.The present invention has carried out Integrated design according to the loaded work piece feature of hybrid vehicle and distributed areas, the steering pump and water pump that are in closed-circuit working state and working region high superposed are dragged using the same driving motor, to increase the payload of driving motor, while improving system availability, the integrated level for improving system reduces the manufacturing cost of system.The hardware utilization of the electrical auxiliary system of the present invention is high, compact-sized, integrated level is high, at low cost.
Description
Technical field
The present invention relates to technical field of electric control more particularly to a kind of electrical auxiliary systems of Hybrid Vehicle, also
It is related to the low-voltage distribution method of the electrical auxiliary system, and the method for controlling the air compressor machine in the electrical auxiliary system.
Background technology
Fig. 1 shows the structural schematic diagram of the electrical auxiliary system of Hybrid Vehicle in the prior art.Referring to Fig.1, electric
The load of gas auxiliary system includes mainly：Hydraulic steering system pumps P1, vehicle air-channel system electric compressor with electric powered steering
P2 (certain vehicles are without electric compressor), electronic water-cooling heat radiating system wind turbine F1 and water pump P 3, engine water-cooling cooling system
With wind turbine F2, other system load Rx (such as control panel power supply) and conventional electrical load Rt (such as headlight, wiper etc.).Tool
Body, engine drives high-voltage generator G1 by mechanical direct connection or belt connection type.Engine controller is by engine
The mechanical energy of output is converted into electric energy, and electric energy is for driving vehicle or being stored in energy-storage system.Accessory power supply includes two
DC-AC (DC/AC) converter of 5kW and DC-DC (DC/DC) converter of a 3kW.One of DC/AC becomes
Parallel operation converts the DC high-voltage of high tension loop to the three-phase alternating current high pressure needed for the steering pump P1 of electrohydraulic steering system
Electricity, another DC/AC converter convert the DC high-voltage of high tension loop to the height of the three-phase alternating current needed for electric compressor P2
Piezoelectricity.DC/AC converters convert the DC high-voltage of high tension loop to water pump P 3 and wind turbine F1 for electronic water-cooling system, hair
Direct current needed for wind turbine F2 and conventional electrical the load Rt and other electrical load Rx of motivation water-cooling system, to realize
The normal work of each subsystem load.
The steering pump P1 of electrohydraulic steering system and the water pump P 3 of electronic water-cooling system belong to closed-circuit working, the two
Working region high superposed.However the steering pump P1 that above-mentioned electrical auxiliary system is electrohydraulic steering system is equipped with DC/AC
Converter, while DC/DC converters are equipped with for the water pump P 3 of electronic water-cooling system, system availability is low, and integrated level is not high, cost
It is high.
On the whole, the defect of the electrical auxiliary system of Hybrid Vehicle in the prior art is：Structure disperses, collection
It is low, of high cost at spending.
Invention content
The technical problem to be solved by the present invention is to：The knot of the electrical auxiliary system of Hybrid Vehicle in the prior art
Structure dispersion, integrated level are low, of high cost.
In order to solve the above technical problem, the present invention provides a kind of electrical auxiliary system of Hybrid Vehicle and its controls
Method processed.
According to the first aspect of the invention, a kind of electrical auxiliary system of Hybrid Vehicle is provided comprising：
Electrohydraulic steering system；
Electronic water-cooling heat radiating system, the steering pump and the electronic water-cooling system that the electrohydraulic steering system has
The water pump that uniting has is dragged by same driving motor, and the driving motor connects the mixing by direct-current-alternating-current converter and moves
The high direct voltage circuit of power automobile, the high direct voltage circuit connect the hybrid vehicle by DC-DC converter
DC low-voltage circuit；And
Engine water-cooling cooling system and low tension battery, the low tension battery connect the DC low-voltage circuit.
Preferably, above-mentioned electrical auxiliary system further includes electronic air braking system, and the electronic air braking system has
Air compressor machine pass through the output shaft of electromagnetic clutch and the driving motor and be sequentially connected.
Preferably, check device is set in the hydraulic circuit of the electrohydraulic steering system.
Preferably, the wind turbine of the electronic water-cooling heat radiating system is the DC fan for connecting the DC low-voltage circuit,
The AC blower fan in the high direct voltage circuit is either connected by the direct-current-alternating-current converter.
Preferably, the wind turbine of the engine water-cooling cooling system is the direct current wind for connecting the DC low-voltage circuit
Machine, or connect by the direct-current-alternating-current converter AC blower fan in the high direct voltage circuit.
Preferably, above-mentioned electrical auxiliary system further includes low by engine-driven direct current of the hybrid vehicle
The output end of pressure motor, the DC low-voltage generator connects the DC low-voltage circuit.
Preferably, the rated output voltage of the DC low-voltage generator is 24V.
According to the second aspect of the invention, a kind of low pressure of the electrical auxiliary system of above-mentioned Hybrid Vehicle is provided
Distribution method comprising：
Obtain the voltage of the rotating speed and the low tension battery of the engine of the hybrid vehicle；
It is more than or equal to preset rotary speed threshold value, and the voltage of the low tension battery in the rotating speed of the engine
When more than or equal to preset voltage threshold, controls the DC-DC converter and be stopped, while controlling the direct current
Low voltage generator works；
The voltage for being less than the rotary speed threshold value or the low tension battery in the rotating speed of the engine is less than the electricity
When pressing threshold value, the DC-DC converter work is controlled.
According to the third aspect of the present invention, provide it is a kind of electrically assist for controlling above-mentioned Hybrid Vehicle be
The control of the air compressor machine of system comprising：
Obtain the parking information, speed and vehicle air pressure of the hybrid vehicle；
It is more than or equal to preset speed threshold value in the speed of the hybrid vehicle, and the vehicle air pressure is small
It when preset first air pressure threshold value, controls the electromagnetic clutch and is closed, so that the driving motor drags the air compressor machine
To the gas receiver pressure accumulation of the hybrid vehicle.
Preferably, above-mentioned control method further includes：
It is in parked state in the hybrid vehicle, and the vehicle air pressure is less than preset second air pressure threshold value
When, it controls the electromagnetic clutch and is closed, the driving motor is made to drag gas of the air compressor machine to the hybrid vehicle
Road supplies.
Compared with prior art, one or more of said program embodiment can have the following advantages that or beneficial to effect
Fruit：
The present invention has carried out Integrated design according to the loaded work piece feature of hybrid vehicle and distributed areas, and utilization is same
A driving motor is in the steering pump and water pump of closed-circuit working state and working region high superposed to drag, to increase
The payload for having added driving motor while improving system availability, improves the integrated level of system, reduces system
Manufacturing cost.The hardware utilization of the electrical auxiliary system of the present invention is high, compact-sized, integrated level is high, at low cost.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification
It is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by wanting in specification, right
Specifically noted structure is sought in book and attached drawing to realize and obtain.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example and is used together to explain the present invention, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the electrical auxiliary system of Hybrid Vehicle in the prior art；
Fig. 2 shows the structural schematic diagrams of the electrical auxiliary system of Hybrid Vehicle of the embodiment of the present invention.
Specific implementation mode
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, how to be applied to the present invention whereby
Technological means solves technical problem, and the realization process for reaching technique effect can fully understand and implement.It needs to illustrate
As long as not constituting conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other,
It is formed by technical solution within protection scope of the present invention.
The technical problem to be solved by the present invention is to：The knot of the electrical auxiliary system of Hybrid Vehicle in the prior art
Structure dispersion, integrated level are low, of high cost.Specifically, the electrical auxiliary system of Hybrid Vehicle in the prior art is workspace
The electrohydraulic steering system of domain high superposed and electronic water-cooling system are respectively equipped with a DC/AC converter, so as to cause system
Utilization rate is low, and integrated level is not high, of high cost.In order to solve the above technical problems, an embodiment of the present invention provides a kind of utilizations of system
Rate is high, integrated level is high, the electrical auxiliary system of Hybrid Vehicle at low cost.
Fig. 2 shows the structural schematic diagrams of the electrical auxiliary system of the Hybrid Vehicle of the embodiment of the present invention.Such as Fig. 2 institutes
Show, the electrical auxiliary system of Hybrid Vehicle includes electrohydraulic steering system, electronic water-cooling heat radiating system, engine water-cooling
Cooling system and low tension battery.
Specifically, electrohydraulic steering system includes steering pump P1 (oil pump), and electronic water-cooling heat radiating system includes water pump P 3.
The steering pump P1 of electrohydraulic steering system and the water pump P 3 of electronic water-cooling heat radiating system belong to closed-circuit working, working region
High superposed.So-called closed-circuit working refers to that the steering pump P1 of electrohydraulic steering system works always, when no steering angle
When, steering pump P1 is in idling conditions (will produce idling loss), and when only occurring direction corner, system just establishes pressure；Electricity
The water pump P 3 of dynamic water-cooling heat radiating system is equally in running order always.
In the present embodiment, the steering pump P1 in closed-circuit working state and water pump P 3 are dragged by same driving motor M1
It is dynamic.Engine drives high direct voltage generator by mechanical direct connection or belt connection type.Engine controller is by engine
The mechanical energy of output is converted into electric energy, and electric energy is input in high direct voltage circuit or is stored in energy-storage system.High direct voltage
DC high-voltage in circuit is powered by direct-current-alternating-current converter for driving motor M1.Direct current in high direct voltage circuit is high
Piezoelectricity is also converted to DC low-voltage electricity by DC-DC converter, and DC low-voltage electricity is input to the direct current of hybrid vehicle
In low tension loop.DC low-voltage electricity is to other system load Rx (such as control panel power supply) of hybrid vehicle, conventional electrical
Load Rt (such as headlight, wiper etc.) and low tension battery power supply.
In constant flow hydraulic steering, to ensure steering pump P1 normal works and turning to requirement of real-time, motor M1 is needed
Often to turn, to which there are larger " empty load of motor losses ".The present embodiment according to the loaded work piece feature of hybrid vehicle and
Distributed areas have carried out Integrated design, and closed-circuit working state and work are in drag using the same driving motor M1
The steering pump P1 and water pump P 3 of region height overlapping improve system utilization to increase the payload of driving motor M1
While rate, the integrated level of system is improved, reduces the manufacturing cost of system.The hardware of the electrical auxiliary system of the present embodiment
Utilization rate is high, compact-sized, integrated level is high, at low cost.
In a preferred embodiment of the invention, the electrical auxiliary system of Hybrid Vehicle further includes electronic straight air brake system
System.Referring now still to Fig. 2, electronic air braking system includes the air compressor machine P2 to the gas circuit gas supply of vehicle.Air compressor machine P2 is also by above-mentioned drive
Dynamic motor M1 draggings, air compressor machine P2, steering pump P1 and water pump P 3 together constitute the high combination pump P of integrated level, three jointly by
Driving motor M1 draggings.Steering pump P1 and water pump P 3 need often to turn with driving motor M1, and air compressor machine P2 then by electromagnetism from
The combination and disconnection of clutch (attached to be not shown in figure) realization and driving motor M1.Electromagnetic clutch is preferably controlled by full-vehicle control
Device.Specifically, when vehicle control unit controls electromagnetic clutch is opened, driving motor M1 cannot drag air compressor machine P2, air compressor machine
P2 is stopped.When vehicle control unit controls electromagnetic clutch is closed, by driving motor M1 dragging air compressor machine P2 work, so that
Air compressor machine P2 is supplied to the gas circuit of hybrid vehicle.
Method provided in an embodiment of the present invention for controlling above-mentioned air compressor machine P2 mainly includes the following steps that 101 to step
107。
In a step 101, the parking information, speed and vehicle air pressure of hybrid vehicle are obtained.
In a step 102, judge whether hybrid vehicle is in parked state.
In step 103, when judging that hybrid vehicle is in parked state, it is pre- to judge whether vehicle air pressure is less than
If the second air pressure threshold value.
At step 104, when vehicle air pressure is less than the second air pressure threshold value, control electromagnetic clutch is closed, and keeps driving electric
Machine M1 drags air compressor machine P2 and is supplied to the gas circuit of hybrid vehicle.At this point, should be by output power or related direction information (such as
Steering indicating light etc.), it reminds driver's steering reversal or reduces steering angle, to avoid steering load larger caused by big steering angle.
In step 105, when judging that hybrid vehicle is not in parked state, judge whether the speed of vehicle is big
In or equal to preset speed threshold value.
In step 106, judge vehicle speed be more than or equal to speed threshold value, judge whether vehicle air pressure is less than
Preset first air pressure threshold value.
In step 107, when judging that vehicle air pressure is less than the first air pressure threshold value, control electromagnetic clutch is closed, with
Driving motor M1 is set to drag gas receiver (attached to be not shown in figure) pressure accumulations of air compressor machine P2 to hybrid vehicle.
In general, larger steering load, therefore the speed threshold value of the present embodiment are likely to occur under low speed operating mode
It should be greater than being likely to occur corresponding speed when larger steering load.That is, the present embodiment avoids starting sky in low speed
Press supplies, but in middling speed or high-speed working condition, air compressor machine P2 is dragged by driving motor M1 and supplies pressure accumulation to gas receiver,
To realize larger steering load is likely to occur under the speed operation that is staggered.The present embodiment is based on dynamic characteristic and vehicle is matched
Optimal Control Strategy is set, steering load and air compressor machine load are staggered, to real under the configuration of common 5kw DC/AC converters
The dragging of existing multiple loads (cancels former electronic water-cooling heat radiating system direct current drive water pump, DC/AC converters used for air compressor and electricity
Machine M2), improve system availability.The present embodiment is loaded according to characteristic and gas receiver the pressure accumulation effect for turning to low speed heavy load
It adjusts, to realize the optimization of existing configuration.
It is worth noting that, about the first air pressure threshold value, the second air pressure threshold value and speed threshold value involved in the present embodiment,
Various equivalent modifications can carry out respective settings according to specific implementation situation, repeat no more herein.
The load of electrical auxiliary system DC/DC converters in the prior art is more, and to cause, system cost is high, passes
The big problem of defeated loss, simultaneously because the load factor of DC/DC converters causes the integrity problems such as excess temperature, overcurrent compared with conference.Needle
To above-mentioned technical problem, this embodiment introduces DC low-voltage generator G2, according to the working condition of engine and low pressure electric power storage
The voltage in pond realizes the switching of DC low-voltage generator G2 and DC-DC converter.
Specifically, the rated output voltage of the DC low-voltage generator G2 of introducing is 24V.Referring now still to Fig. 2, hybrid power vapour
Engine-driven DC low-voltage generator G2 of vehicle, the DC low-voltage electricity of DC low-voltage generator G2 outputs are input to mixing and move
The DC low-voltage circuit of power automobile.
The low-voltage distribution method of the electrical auxiliary system of Hybrid Vehicle of the embodiment of the present invention mainly include step 201 to
Step 205.
In step 201, the rotating speed of the engine of hybrid vehicle and the voltage of low tension battery are obtained.
In step 202, judge whether the rotating speed of engine is more than or equal to preset rotary speed threshold value.
In step 203, when the rotating speed for judging engine is more than or equal to rotary speed threshold value, judge low tension battery
Voltage whether be more than or equal to preset voltage threshold.
In step 204, when the voltage for judging low tension battery is more than or equal to voltage threshold, direct current-is controlled
DC converter is stopped, while controlling the G2 work of DC low-voltage generator.
In step 205, the voltage that rotary speed threshold value or low tension battery are less than in the rotating speed for judging engine is less than
When voltage threshold, control DC-DC converter work.Note that in this case, due to actual DC low voltage generator G2
With engine direct connection, rotating speed influences less output voltage, therefore can both control DC low-voltage generator G2 and be stopped,
DC low-voltage generator G2 can be controlled to work on.
The present embodiment is according to system dynamic pattern switching low-voltage power supply.Specifically, it works in engine and low pressure stores
When cell voltage is higher, only from DC low-voltage generator G2 as main power source to DC low-voltage loop power supply.And stop in engine
Machine or when engine speed is relatively low or the voltage of low tension battery is relatively low, is switched to low power DC-dc conversion
Accessory power supply of the device as remaining load.The present embodiment is by optimizing load and the design of power supply (i.e. by switching direct current-directly
Current converter and the DC low-voltage generator G2 newly introduced are electric to provide DC low-voltage), DC/DC power demands are reduced, are improved
Reliability reduces transmission loss and cost.
It is worth noting that, about rotary speed threshold value and voltage threshold involved in the present embodiment, various equivalent modifications
Respective settings can be carried out according to specific implementation situation, repeated no more herein.
For the control method of the electrical auxiliary system of the embodiment of the present invention, further include：First, by detect vehicle air pressure,
The information such as motor speed/speed/parking brake signal, vehicle configuration control DC/AC converters, electromagnetic clutch.Work as detection
Speed is more than the train signals such as 0 or the big Mr. Yu's setting value of motor speed, at this time by DC/AC convertor controls driving motors with volume
Determine rotating speed operation, ensures hydraulic steering system flow, while water pump P 3 is operated with driving motor M1.Second, when detection parking letter
When breath and the big Mr. Yu's setting value of electric drive temperature, worked with setting speed by DC/AC convertor controls driving motors, at this time water
P3 work is pumped, watering cycle is carried to electronic water-cooling heat radiating system.Third (passes through software by inputting different automobile types configuration information
Version or hardware interface switching), control driving motor M1 is run with maximum speed, to realize that meeting different automobile types generalization sets
Meter.
In existing hydraulic steering system, hydraulic circuit does not do " cut-off " design, when electrical or component failure and there is steering
When angle, larger steering gyrus positive force easily causes driving or personnel's injury risk.It is preferred in the present invention one for this technical problem
In embodiment, check device is set in the hydraulic circuit of electrohydraulic steering system.Particularly, check device is preferably as single
To valve, check-valves and the device for being likewise supplied with check function.Such setting can reduce existing electric powered steering failure procedure and turn to
Driving and personnel safety risk caused by returning just.
In a preferred embodiment of the invention, the wind turbine F1 of electronic water-cooling heat radiating system is DC fan or exchange wind
Machine.When being selected as DC fan, the wind turbine F1 of electronic water-cooling heat radiating system is directly connected to DC low-voltage circuit.It is selected as exchange wind
When machine, high direct voltage circuit provides three-phase alternating current by direct-current-alternating-current converter to the wind turbine F1 of the electronic water-cooling heat radiating system
Electricity.
In a preferred embodiment of the invention, the wind turbine F2 of engine water-cooling cooling system is DC fan or exchange
Wind turbine.When being selected as DC fan, the wind turbine F2 of engine water-cooling cooling system is directly connected to DC low-voltage circuit.It is selected as friendship
When flow fan, the wind turbine F2 that high direct voltage circuit connects the engine water-cooling cooling system by direct-current-alternating-current converter is provided
Three-phase alternating current.
It, can be active by institute to further increase the integrated level of electrical auxiliary system in a preferred embodiment of the invention
The control unit of energy module is integrated into a central control unit.
In conclusion the embodiment of the present invention be based on each load characteristic, dynamical system pattern switching, hardware configuration feature etc. into
Row system designs, and the system integration, utilization rate is improved, to improve reliability and reduce cost.Electricity described in the embodiment of the present invention
The advantages of gas auxiliary system, is：
1, integrated level is higher：System is using DC/AC converters all the way and driving motor M1 meets fluid-link steering, water cooling is followed
The driving of ring, air compressor machine；
2, system availability is high：Improve empty load of motor loss in electrohydraulic steering, according to negative by increasing payload
Characteristic distributions are carried, are acted on by gas receiver pressure accumulation, by Optimal Control Strategy, under the configuration for now commonly using 5kwDC/AC converters
It realizes " adjusting of avoiding the peak hour ", drags multiple loads；
3, reliability is high：Thrashing point is greatly decreased, while using DC low-voltage generator as main power source, reliable to pass through
Ji improves the reliability of the component additionally by the capacity and rate of load condensate for reducing DC/DC converters.
While it is disclosed that embodiment content as above but described only to facilitate understanding the present invention and adopting
Embodiment is not limited to the present invention.Any those skilled in the art to which this invention pertains are not departing from this
Under the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But protection scope of the present invention still should be subject to the scope of the claims as defined in the appended claims.
Claims (1)
1. a kind of low-voltage distribution method of the electrical auxiliary system of Hybrid Vehicle, the Hybrid Vehicle electrically assist
System includes：
Electrohydraulic steering system；
Electronic water-cooling heat radiating system；
Engine water-cooling cooling system；
The same drive of the water pump of steering pump and the electronic water-cooling heat radiating system for dragging the electrohydraulic steering system
Dynamic motor, the driving motor connects the high direct voltage circuit of the hybrid vehicle by direct-current-alternating-current converter, described
High direct voltage circuit connects the DC low-voltage circuit of the hybrid vehicle by DC-DC converter, and the direct current is low
Push back road connection low tension battery；And
By engine-driven DC low-voltage generator of the hybrid vehicle, the output end of the DC low-voltage generator
Connect the DC low-voltage circuit of the hybrid vehicle；
The method is characterised by comprising following steps：
Obtain the voltage of the rotating speed and the low tension battery of the engine of the hybrid vehicle；
It is more than or equal to preset rotary speed threshold value in the rotating speed of the engine, and the voltage of the low tension battery is more than
Or it when equal to preset voltage threshold, controls the DC-DC converter and is stopped, while controlling the DC low-voltage
Generator operation；
The voltage for being less than the rotary speed threshold value or the low tension battery in the rotating speed of the engine is less than the voltage threshold
When value, the DC-DC converter work is controlled.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781090.7A CN105438257B (en) | 2015-11-13 | 2015-11-13 | The electrical auxiliary system of Hybrid Vehicle |
| CN201810835316.0A CN109017982B (en) | 2015-11-13 | 2015-11-13 | Method for controlling air compressor of electric auxiliary system for hybrid electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510781090.7A CN105438257B (en) | 2015-11-13 | 2015-11-13 | The electrical auxiliary system of Hybrid Vehicle |
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| CN201810835316.0A Division CN109017982B (en) | 2015-11-13 | 2015-11-13 | Method for controlling air compressor of electric auxiliary system for hybrid electric vehicle |
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| CN107303814A (en) * | 2016-04-18 | 2017-10-31 | 深圳市沃特玛电池有限公司 | A kind of electrical vehicular power train assembly |
| CN113002617B (en) * | 2019-12-19 | 2022-05-13 | 中车时代电动汽车股份有限公司 | Control method and system of electric accessory assembly and motor vehicle |
| CN112146894B (en) * | 2020-09-30 | 2022-06-21 | 重庆长安新能源汽车科技有限公司 | Method for testing and evaluating no-load loss of electric drive assembly based on whole vehicle working condition |
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| DE10203259A1 (en) * | 2001-07-17 | 2003-01-30 | Heinz Leiber | Drive for a motor vehicle |
| CN2894051Y (en) * | 2006-05-12 | 2007-04-25 | 深圳市五洲龙汽车有限公司 | Mixed power electric vehicle motor cooling device |
| CN202965929U (en) * | 2012-12-20 | 2013-06-05 | 东风汽车有限公司 | Hybrid power truck provided with multiple electric accessories |
| CN103112351A (en) * | 2013-02-17 | 2013-05-22 | 潍柴动力股份有限公司 | Electric vehicle and auxiliary engine drive device and auxiliary drive system thereof |
| CN103192717A (en) * | 2013-04-09 | 2013-07-10 | 郑州宇通客车股份有限公司 | Low-voltage power supply system of hybrid power automobile and control method thereof |
| CN203449898U (en) * | 2013-08-12 | 2014-02-26 | 郑州宇通客车股份有限公司 | Double-drive device and double-drive system both for hydraulic pressure and cooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109017982A (en) | 2018-12-18 |
| CN105438257A (en) | 2016-03-30 |
| CN109017982B (en) | 2020-08-14 |
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