CN108973980A - A kind of parallel-type vehicle hybrid power control system and control method - Google Patents
A kind of parallel-type vehicle hybrid power control system and control method Download PDFInfo
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- CN108973980A CN108973980A CN201810752525.9A CN201810752525A CN108973980A CN 108973980 A CN108973980 A CN 108973980A CN 201810752525 A CN201810752525 A CN 201810752525A CN 108973980 A CN108973980 A CN 108973980A
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- solenoid valve
- valve
- hydraulic fluid
- fluid port
- pressure accumulator
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
- B60W20/14—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion in conjunction with braking regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/20—Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
- B60W30/18127—Regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/081—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/30—Auxiliary equipments
Abstract
The present invention provides a kind of parallel-type vehicle hybrid power control system and control methods；Control system includes battery, driving motor, main clutch, variable pump, the first check valve, second one-way valve, the first safety valve, the second safety valve, the first solenoid valve, low pressure accumulator, high pressure accumulator, second solenoid valve, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve, motor, second clutch, coupler, retarder, control system；Control method includes positive starting control model, reverse starting control model, positive Brake energy recovery control model, reversed hydraulic energy regenerative braking control model；Due to being enclosed control mode, it can reduce hydraulic power control system component, mitigate complete vehicle quality；It can effectively eliminate inrush current, adjust the starting time, improve service lifetime of accumulator, increase vehicle course continuation mileage；Forward and reverse braking energy can be effectively recycled, capacity usage ratio is improved, vehicle energy when braking is effectively avoided to waste.
Description
Technical field
The present invention relates to a kind of hydraulic control systems, and in particular to a kind of parallel-type vehicle hybrid power control system and
Control method.
Background technique
The public transit vehicle run at present the operating conditions such as can start, brake due to various situations with frequently occurring, starting
When, the dash current that driving motor generates generally can be more several times greater than rated current, can seriously affect the elements such as motor, battery
Service life.In addition, public transit vehicle, in braking process, braking energy is converted into the heat on brake generally with thermal energy shape
Formula loses, and not only wastes energy in this way, also results in system heat generation and element loss.
Currently, the energy-storage travelling wave tube of Brake energy recovery is more than mainly capacitor on hybrid vehicle, energy density is small,
Price is more expensive.And hydraulic accumulator, compared to super capacitor, energy density is big, and it is cheap, it is with the obvious advantage, therefore hydraulic storage
Can formula Brake energy recovery regenerative system more and more attention has been paid to.Wherein, parallel hydraulic energy-regenerating system utilizes hydraulic storage
The energy-storage function of energy device carries out recycling and reusing to vehicle braking energy, to achieve energy-saving and emission reduction purposes.But at this stage
Parallel hydraulic energy-regenerating system does not have the function that the Brake energy recovery in the case of reversing recycles generally, and installs
The deficiencies of having the hydraulic pressure auxiliary elements such as fuel tank, complete vehicle quality or volume is caused to increase.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of parallel-type vehicle hybrid power control system and controlling parties
Method, mainly solves that vehicle power performance when existing electrohydraulic mixed power automobile starting is poor, driving motor starting current peak value mistake
The problems such as high, braking energy wastes.
To achieve the above object, the present invention uses following technical solutions: a kind of parallel-type vehicle hybrid power control
System processed, including battery, driving motor, main clutch, variable pump, the first check valve, second one-way valve, the first safety valve,
Second safety valve, the first solenoid valve, low pressure accumulator, high pressure accumulator, second solenoid valve, third solenoid valve, the 4th solenoid valve,
5th solenoid valve, motor, second clutch, coupler, retarder, control system；
The battery is connect with the driving motor, and the driving motor is connect with the main clutch, the main clutch
With the output axis connection of the variable pump, the first hydraulic fluid port of the variable pump while the oil outlet with first check valve, institute
State the first hydraulic fluid port connection of the oil inlet of the first safety valve, the hydraulic fluid port A of the 4th solenoid valve, the motor, the variable pump
The second hydraulic fluid port simultaneously with the oil outlet of the second one-way valve, the oil inlet of second safety valve, the second solenoid valve
Hydraulic fluid port A connection, the oil inlet of first check valve oil inlet, first safety valve with the second one-way valve simultaneously
Oil outlet, second safety valve oil outlet, first solenoid valve hydraulic fluid port A connection, the oil of first solenoid valve
Mouthful P connect with the hydraulic fluid port A of the low pressure accumulator, the third solenoid valve simultaneously, the hydraulic fluid port B of the third solenoid valve and meanwhile with
The hydraulic fluid port P connection of the high pressure accumulator, the 4th solenoid valve, the hydraulic fluid port P of the second solenoid valve simultaneously with the third
The hydraulic fluid port A connection of the hydraulic fluid port O of solenoid valve, the 5th solenoid valve, the hydraulic fluid port P of the 5th solenoid valve and the second of the motor
Hydraulic fluid port connection, the output shaft of the motor are connect with the second clutch, and the second clutch is connect with the coupler,
The coupler is connect with the retarder.
Preferred embodiment, first safety valve, second safety valve are direct-acting overflow valve.
Preferred embodiment, first solenoid valve, the second solenoid valve, the 4th solenoid valve, the 5th solenoid valve
It is two-position two-way electromagnetic directional valve.
Preferred embodiment, the third solenoid valve are the two-way electro-hydraulic reversing valve of 3-position-3-way.
Preferred embodiment, the control system control collecting sensor signal and electricity in entire hydraulic hybrid control system
Magnet valve gain and loss electric control, the revolving speed of the variable pump and the motor, the main clutch and the second clutch folding,
The third solenoid valve valve port folding size, the low pressure accumulator and high pressure accumulator pressure control etc..
A kind of parallel-type vehicle hybrid power control method, including positive starting control model；
The process of the positive starting control model are as follows: when vehicle forward direction starts, the battery is not that the driving motor fills
Electricity, the main clutch couple with the output shaft of the variable pump, and electromagnet 1YA, 3YA, 4YA are obtained electric in hydraulic system, described
The right position work of first solenoid valve, the second solenoid valve bottom work, the right position work of third solenoid valve, the low pressure accumulation of energy
Device discharges oil liquid, and high-voltage oil liquid enters the second hydraulic fluid port of the variable pump after the third solenoid valve, the second solenoid valve,
The variable pump is driven to rotate forward, the variable pump drives the driving motor to accelerate starting, institute by the main clutch
The the first hydraulic fluid port oil liquid for stating variable pump is carried out by first safety valve, first solenoid valve into the low pressure accumulator
Accumulation of energy；System detection to be controlled is to the driving motor revolving speed close to rotating speed of target or the high pressure accumulator pressure under
When pressure limiting force value or the low pressure accumulator pressure are close to pressure upper limit value, signal is issued, solenoid valve 1YA, 3YA, 4YA lose
Electricity, the main clutch disconnect, and the battery is driving motor charging, make the driving motor directly from higher rotation speed
It starts to work.
A kind of control method of parallel-type vehicle hybrid power, including reverse starting control model；
The process of the reverse starting control model are as follows: when vehicle reverse starting, the battery is not that the driving motor fills
Electricity, the main clutch couple with the variable pump output shaft, and electromagnet 2YA, 4YA, 5YA are obtained electric in hydraulic system, and described
The work of two solenoid valve bottoms, the work of third solenoid valve left position, the right position work of the 4th solenoid valve, the high pressure accumulator
Oil liquid is discharged, high-voltage oil liquid enters first hydraulic fluid port of variable pump through the 4th solenoid valve, the variable pump is driven reversely to turn
Dynamic, the variable pump drives the driving motor to accelerate starting, the second hydraulic fluid port of variable pump oil liquid by the main clutch
Enter the low pressure accumulator by the second solenoid valve, the third solenoid valve and carries out accumulation of energy；System detection to be controlled arrives
The driving motor revolving speed is close to rotating speed of target or the high pressure accumulator pressure close to threshold pression value or the low pressure
When energy storage pressure is close to pressure upper limit value, signal, solenoid valve 2YA, 4YA, 5YA power loss are issued, the main clutch disconnects, institute
Battery is stated as driving motor charging, the driving motor is made directly to start to work from higher rotation speed.
Preferred embodiment, the control method include positive stopping brake energy regenerating control model；
The process of the forward direction stopping brake energy regenerating control model are as follows: when vehicle forward direction is braked, the driving motor power-off,
Electromagnet 1YA, 3YA, 6YA obtain electric, the right position work of the third solenoid valve, the 5th solenoid valve bottom work, and described second
Clutch couples with the motor output shaft, and wheel drives the motor rotation, oil liquid by the way that the retarder, the coupler are counter
Enter the high pressure accumulator from second hydraulic fluid port of motor, the 5th solenoid valve, the third solenoid valve and carries out hydraulic energy
Regenerative braking accumulation of energy, the low pressure accumulator oil liquid enter the motor the through first solenoid valve, first check valve
One hydraulic fluid port carries out repairing；When control system detects speed close to zero or the high pressure accumulator pressure close to pressure upper limit value
Or the low pressure accumulator pressure close to threshold pression value when, issue signal, the second clutch disconnects, electromagnet 1YA,
3YA, 6YA power loss, not recycling braking energy.
Preferred embodiment, the control method include reversed stopping brake energy regenerating control model；
The process of the reversed stopping brake energy regenerating control model are as follows: when vehicle plugging, the driving motor power-off,
Electromagnet 2YA, 5YA, 6YA obtain electric, third solenoid valve left position work, and the right position of the 4th solenoid valve works, and the described 5th
The work of solenoid valve bottom, the second clutch couple with the motor output shaft, and wheel passes through the retarder, the coupling
Device is counter to drive the motor rotation, oil liquid from first hydraulic fluid port of motor, the 4th solenoid valve enter the high pressure accumulator into
Row hydraulic energy regenerative braking accumulation of energy, the low pressure accumulator oil liquid enter institute through the third solenoid valve, the 5th solenoid valve
It states the second hydraulic fluid port of motor and carries out repairing；When control system detects speed close to zero or the high pressure accumulator pressure close to the upper limit
When pressure value or when the low pressure accumulator pressure is close to threshold pression value, signal is issued, the second clutch disconnects, electromagnetism
Iron 2YA, 5YA, 6YA power loss, not recycling braking energy.
Using control system of the present invention and control method, hydraulic hybrid control system component can reduce,
Mitigate complete vehicle quality；It can effectively eliminate inrush current, adjust the starting time, improve service lifetime of accumulator, increase vehicle
Course continuation mileage；Forward and reverse braking energy can be effectively recycled, capacity usage ratio is improved, vehicle energy wave when effectively avoiding braking
Take.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of the present of invention.
Specific embodiment
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
A better embodiment of the invention is given in the attached drawing.But the invention can be realized in many different forms, and unlimited
In this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to the disclosure
Understand more thorough and comprehensive.
Unless otherwise defined, technical and scientific term all used in this specification is led with technology of the invention is belonged to
The normally understood meaning of the technical staff in domain is identical.Used term is only in the description of the invention in this specification
The purpose of description specific embodiment is not intended to the limitation present invention.
As shown in Figure 1, parallel-type vehicle hybrid power control system of the invention includes battery 1, driving motor 2, master
Clutch 3, variable pump 4, the first check valve 5, second one-way valve 6, the first safety valve 7, the second safety valve 8, the first solenoid valve 9,
Low pressure accumulator 10, high pressure accumulator 11, second solenoid valve 12, third solenoid valve 13, the 4th solenoid valve 14, the 5th solenoid valve
15, motor 16, second clutch 17, coupler 18, retarder 19, control system 20；
Battery 1 is connect with driving motor 2, and driving motor 2 is connect with main clutch 3, main clutch 3 and 4 output shaft of variable pump
Connection, 4 first hydraulic fluid port of variable pump simultaneously with the oil outlet of the first check valve 5, the oil inlet of the first safety valve 7, the 4th solenoid valve
14 hydraulic fluid port A, the connection of 16 first hydraulic fluid port of motor, 4 second hydraulic fluid port of variable pump simultaneously with the oil outlet of second one-way valve 6, the second safety
The oil inlet of valve, 12 hydraulic fluid port A connection of second solenoid valve, the oil inlet of the first check valve 5 simultaneously with the 2nd 6 oil inlet, first
The oil outlet of safety valve 7, the oil outlet of the second safety valve 8, the 9 hydraulic fluid port A connection of the first solenoid valve, 9 hydraulic fluid port P of the first solenoid valve is simultaneously
Connect with low pressure accumulator 10,13 hydraulic fluid port A of third solenoid valve, 13 hydraulic fluid port B of third solenoid valve simultaneously with high pressure accumulator the 11, the 4th
14 hydraulic fluid port P connection of solenoid valve, 12 hydraulic fluid port P of second solenoid valve simultaneously with 13 hydraulic fluid port O of third solenoid valve, 15 hydraulic fluid port A of the 5th solenoid valve
Connection, 15 hydraulic fluid port P of the 5th solenoid valve are connect with 16 second hydraulic fluid port of motor, and 16 output shaft of motor is connect with second clutch 17, the
Two clutches 17 are connect with coupler 18, and coupler 18 is connect with retarder 19.
First safety valve 7, the second safety valve 8 are direct-acting overflow valve.
First solenoid valve 9, second solenoid valve 12, the 4th solenoid valve 14, the 5th solenoid valve 15 are that bi-bit bi-pass electromagnetism changes
To valve.
Third solenoid valve 13 is the two-way electro-hydraulic reversing valve of 3-position-3-way.
It further include control system 20, control system 20 controls sensor signal in entire hydraulic hybrid control system and adopts
Collection and the revolving speed of solenoid valve gain and loss electric control, variable pump 4 and motor 16, the folding of main clutch 3 and second clutch 17, third
13 valve port of solenoid valve opens and closes size, low pressure accumulator 10 and the control of 11 pressure of high pressure accumulator etc..
Control method includes positive starting control model；
The process of forward direction starting control model are as follows: when vehicle forward direction starts, battery 1 does not charge for driving motor 2, main clutch
3 couple with 4 output shaft of variable pump, and electromagnet 1YA, 3YA, 4YA are obtained electric in hydraulic system, the right position work of the first solenoid valve 9, and second
The next work of solenoid valve 12, the work of the right position of third solenoid valve 13, low pressure accumulator 10 discharge oil liquid, and high-voltage oil liquid is through third electromagnetism
Enter 4 second hydraulic fluid port of variable pump after valve 13, second solenoid valve 12, driving variable pump 4 rotates forward, and variable pump 4 passes through main clutch
Device 3 drives driving motor 2 to accelerate starting, and 4 first hydraulic fluid port oil liquid of variable pump is entered low by the first safety valve 7, the first solenoid valve 9
Accumulator 10 is pressed to carry out accumulation of energy.System 20 to be controlled detects 2 revolving speed of driving motor close to rotating speed of target or high pressure accumulator
When 11 pressure are close to threshold pression value or 10 pressure of low pressure accumulator close to pressure upper limit value, signal is issued, solenoid valve 1YA,
3YA, 4YA power loss, main clutch 3 disconnect, and battery 1 is the charging of driving motor 2, open driving motor 2 directly from higher rotation speed
Beginning work.
Control method includes reverse starting control model；
The process of reverse starting control model are as follows: when vehicle reverse starting, battery 1 does not charge for driving motor 2, main clutch
3 couple with 4 output shaft of variable pump, and electromagnet 2YA, 4YA, 5YA are obtained electric in hydraulic system, the next work of second solenoid valve 12, the
The work of three solenoid valves, 13 left position, the right position work of the 4th solenoid valve 14, high pressure accumulator 11 discharge oil liquid, and high-voltage oil liquid is through the 4th electricity
14 entering variable of magnet valve pumps 4 first hydraulic fluid ports, and driving variable pump 4 rotates backward, and variable pump 4 drives driving electricity by main clutch 3
Machine 2 accelerates starting, and 4 second hydraulic fluid port oil liquid of variable pump enters low pressure accumulator 10 by second solenoid valve 12, third solenoid valve 13
Carry out accumulation of energy.System 20 to be controlled detects that 2 revolving speed of driving motor is close close to rotating speed of target or 11 pressure of high pressure accumulator
When threshold pression value or 10 pressure of low pressure accumulator are close to pressure upper limit value, signal is issued, solenoid valve 2YA, 4YA, 5YA lose
Electricity, main clutch 3 disconnect, and battery 1 is the charging of driving motor 2, and driving motor 2 is made directly to start to work from higher rotation speed.
Control method includes positive stopping brake energy regenerating control model；
The process of positive stopping brake energy regenerating control model are as follows: when vehicle forward direction is braked, driving motor 2 is powered off, electromagnet
1YA, 3YA, 6YA obtain electric, the right position of third solenoid valve 13 work, the next work of the 5th solenoid valve 15, second clutch 17 and motor
The connection of 16 output shafts, wheel instead drive motor 16 by retarder 19, coupler 18 and rotate, and oil liquid is from 16 second hydraulic fluid port of motor, the
Five solenoid valves 15, third solenoid valve 13 enter high pressure accumulator 11 and carry out the accumulation of energy of hydraulic energy regenerative braking, 10 oil of low pressure accumulator
Liquid enters 16 first hydraulic fluid port of motor through the first solenoid valve 9, the first check valve 5 and carries out repairing.When control system 20 detects speed
When close to zero or 11 pressure of high pressure accumulator close to pressure upper limit value or when 10 pressure of low pressure accumulator is close to threshold pression value, hair
Signal out, second clutch 17 disconnect, electromagnet 1YA, 3YA, 6YA power loss, not recycling braking energy.
Control method includes reversed stopping brake energy regenerating control model；
The process of reversed stopping brake energy regenerating control model are as follows: when vehicle plugging, driving motor 2 is powered off, electromagnet
2YA, 5YA, 6YA obtain electric, 13 left position of third solenoid valve work, the right position work of the 4th solenoid valve 14, the next work of the 5th solenoid valve 15
Make, second clutch 17 couples with 16 output shaft of motor, and wheel instead drives motor 16 by retarder 19, coupler 18 and rotates, oil
Liquid enters high pressure accumulator 11 from 16 first hydraulic fluid port of motor, the 4th solenoid valve 14 and carries out the accumulation of energy of hydraulic energy regenerative braking, and low pressure stores
Energy 10 oil liquid of device enters 16 second hydraulic fluid port of motor through third solenoid valve 13, the 5th solenoid valve 15 and carries out repairing.When control system 20
When detecting speed close to zero or 11 pressure of high pressure accumulator close to pressure upper limit value or 10 pressure of low pressure accumulator is close to lower limit
When pressure value, signal is issued, second clutch 17 disconnects, electromagnet 2YA, 5YA, 6YA power loss, not recycling braking energy.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the range of description of the invention record；Also, for those of ordinary skills, it can add according to the above description
To improve or convert, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (9)
1. a kind of parallel-type vehicle hybrid power control system, which is characterized in that including battery, driving motor, main clutch,
Variable pump, the first check valve, second one-way valve, the first safety valve, the second safety valve, the first solenoid valve, low pressure accumulator, high pressure
Accumulator, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve, motor, second clutch, coupler, subtracts second solenoid valve
Fast device, control system；
The battery is connect with the driving motor, and the driving motor is connect with the main clutch, the main clutch
With the output axis connection of the variable pump, the first hydraulic fluid port of the variable pump while the oil outlet with first check valve, institute
State the first hydraulic fluid port connection of the oil inlet of the first safety valve, the hydraulic fluid port A of the 4th solenoid valve, the motor, the variable pump
The second hydraulic fluid port simultaneously with the oil outlet of the second one-way valve, the oil inlet of second safety valve, the second solenoid valve
Hydraulic fluid port A connection, the oil inlet of first check valve oil inlet, first safety valve with the second one-way valve simultaneously
Oil outlet, second safety valve oil outlet, first solenoid valve hydraulic fluid port A connection, the oil of first solenoid valve
Mouthful P connect with the hydraulic fluid port A of the low pressure accumulator, the third solenoid valve simultaneously, the hydraulic fluid port B of the third solenoid valve and meanwhile with
The hydraulic fluid port P connection of the high pressure accumulator, the 4th solenoid valve, the hydraulic fluid port P of the second solenoid valve simultaneously with the third
The hydraulic fluid port A connection of the hydraulic fluid port O of solenoid valve, the 5th solenoid valve, the hydraulic fluid port P of the 5th solenoid valve and the second of the motor
Hydraulic fluid port connection, the output shaft of the motor are connect with the second clutch, and the second clutch is connect with the coupler,
The coupler is connect with the retarder.
2. a kind of parallel-type vehicle hybrid power control system according to claim 1, which is characterized in that first peace
Full valve, second safety valve are direct-acting overflow valve.
3. a kind of parallel-type vehicle hybrid power control system according to claim 1, which is characterized in that first electricity
Magnet valve, the second solenoid valve, the 4th solenoid valve, the 5th solenoid valve are two-position two-way electromagnetic directional valve.
4. a kind of parallel-type vehicle hybrid power control system according to claim 1, which is characterized in that the third electricity
Magnet valve is the two-way electro-hydraulic reversing valve of 3-position-3-way.
5. a kind of parallel-type vehicle hybrid power control system according to claim 1, which is characterized in that the control system
System control collecting sensor signal and solenoid valve gain and loss electric control in entire hydraulic hybrid control system, the variable pump with
The revolving speed of the motor, the folding of the main clutch and the second clutch, third solenoid valve valve port folding size,
The low pressure accumulator and high pressure accumulator pressure control etc..
6. a kind of parallel-type vehicle hybrid power control method, which is characterized in that start control model including forward direction；
The process of the positive starting control model are as follows: when vehicle forward direction starts, the battery is not that the driving motor fills
Electricity, the main clutch couple with the output shaft of the variable pump, and electromagnet 1YA, 3YA, 4YA are obtained electric in hydraulic system, described
The right position work of first solenoid valve, the second solenoid valve bottom work, the right position work of third solenoid valve, the low pressure accumulation of energy
Device discharges oil liquid, and high-voltage oil liquid enters the second hydraulic fluid port of the variable pump after the third solenoid valve, the second solenoid valve,
The variable pump is driven to rotate forward, the variable pump drives the driving motor to accelerate starting, institute by the main clutch
The the first hydraulic fluid port oil liquid for stating variable pump is carried out by first safety valve, first solenoid valve into the low pressure accumulator
Accumulation of energy；System detection to be controlled is to the driving motor revolving speed close to rotating speed of target or the high pressure accumulator pressure under
When pressure limiting force value or the low pressure accumulator pressure are close to pressure upper limit value, signal is issued, solenoid valve 1YA, 3YA, 4YA lose
Electricity, the main clutch disconnect, and the battery is driving motor charging, make the driving motor directly from higher rotation speed
It starts to work.
7. a kind of control method of parallel-type vehicle hybrid power, which is characterized in that including reverse starting control model；
The process of the reverse starting control model are as follows: when vehicle reverse starting, the battery is not that the driving motor fills
Electricity, the main clutch couple with the variable pump output shaft, and electromagnet 2YA, 4YA, 5YA are obtained electric in hydraulic system, and described
The work of two solenoid valve bottoms, the work of third solenoid valve left position, the right position work of the 4th solenoid valve, the high pressure accumulator
Oil liquid is discharged, high-voltage oil liquid enters first hydraulic fluid port of variable pump through the 4th solenoid valve, the variable pump is driven reversely to turn
Dynamic, the variable pump drives the driving motor to accelerate starting, the second hydraulic fluid port of variable pump oil liquid by the main clutch
Enter the low pressure accumulator by the second solenoid valve, the third solenoid valve and carries out accumulation of energy；System detection to be controlled arrives
The driving motor revolving speed is close to rotating speed of target or the high pressure accumulator pressure close to threshold pression value or the low pressure
When energy storage pressure is close to pressure upper limit value, signal, solenoid valve 2YA, 4YA, 5YA power loss are issued, the main clutch disconnects, institute
Battery is stated as driving motor charging, the driving motor is made directly to start to work from higher rotation speed.
8. a kind of parallel-type vehicle hybrid power control method according to claim 6, which is characterized in that the controlling party
Method includes positive stopping brake energy regenerating control model；
The process of the forward direction stopping brake energy regenerating control model are as follows: when vehicle forward direction is braked, the driving motor power-off,
Electromagnet 1YA, 3YA, 6YA obtain electric, the right position work of the third solenoid valve, the 5th solenoid valve bottom work, and described second
Clutch couples with the motor output shaft, and wheel drives the motor rotation, oil liquid by the way that the retarder, the coupler are counter
Enter the high pressure accumulator from second hydraulic fluid port of motor, the 5th solenoid valve, the third solenoid valve and carries out hydraulic energy
Regenerative braking accumulation of energy, the low pressure accumulator oil liquid enter the motor the through first solenoid valve, first check valve
One hydraulic fluid port carries out repairing；When control system detects speed close to zero or the high pressure accumulator pressure close to pressure upper limit value
Or the low pressure accumulator pressure close to threshold pression value when, issue signal, the second clutch disconnects, electromagnet 1YA,
3YA, 6YA power loss, not recycling braking energy.
9. a kind of parallel-type vehicle hybrid power control method according to claim 7, which is characterized in that the controlling party
Method includes reversed stopping brake energy regenerating control model；
The process of the reversed stopping brake energy regenerating control model are as follows: when vehicle plugging, the driving motor power-off,
Electromagnet 2YA, 5YA, 6YA obtain electric, third solenoid valve left position work, and the right position of the 4th solenoid valve works, and the described 5th
The work of solenoid valve bottom, the second clutch couple with the motor output shaft, and wheel passes through the retarder, the coupling
Device is counter to drive the motor rotation, oil liquid from first hydraulic fluid port of motor, the 4th solenoid valve enter the high pressure accumulator into
Row hydraulic energy regenerative braking accumulation of energy, the low pressure accumulator oil liquid enter institute through the third solenoid valve, the 5th solenoid valve
It states the second hydraulic fluid port of motor and carries out repairing；When control system detects speed close to zero or the high pressure accumulator pressure close to the upper limit
When pressure value or when the low pressure accumulator pressure is close to threshold pression value, signal is issued, the second clutch disconnects, electromagnetism
Iron 2YA, 5YA, 6YA power loss, not recycling braking energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752525.9A CN108973980A (en) | 2018-07-10 | 2018-07-10 | A kind of parallel-type vehicle hybrid power control system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810752525.9A CN108973980A (en) | 2018-07-10 | 2018-07-10 | A kind of parallel-type vehicle hybrid power control system and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552059A (en) * | 2018-12-29 | 2019-04-02 | 许昌学院 | A kind of heavy-duty car hybrid power control system and control method |
| CN109572681A (en) * | 2019-01-22 | 2019-04-05 | 吉林大学 | A kind of vehicle drive system and its control method based on the coupling of tandem two-way hydraulic power stream |
| CN109572440A (en) * | 2018-12-28 | 2019-04-05 | 重庆大学 | A kind of electric hydaulic hybrid power system and its control method applied to SUV |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007107085A1 (en) * | 2006-03-14 | 2007-09-27 | Zhu Raphael | Power set for vehicles |
| CN102897012A (en) * | 2012-09-28 | 2013-01-30 | 杭州电子科技大学 | Hybrid power loop based on machine-hydraulic joint energy regeneration |
| CN104249715A (en) * | 2014-09-15 | 2014-12-31 | 郑州宇通客车股份有限公司 | Bus brake energy recycle hydraulic system |
| CN104831774A (en) * | 2015-04-16 | 2015-08-12 | 湖南网大科技有限公司 | Loader walking and braking energy recovery auxiliary driving device and control method |
| CN107420357A (en) * | 2017-07-21 | 2017-12-01 | 广西柳工机械股份有限公司 | Closed type hydraulic system |
| CN107856576A (en) * | 2017-10-24 | 2018-03-30 | 西南交通大学 | A kind of electro-hydraulic hybrid drive system of vehicle |
-
2018
- 2018-07-10 CN CN201810752525.9A patent/CN108973980A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007107085A1 (en) * | 2006-03-14 | 2007-09-27 | Zhu Raphael | Power set for vehicles |
| CN102897012A (en) * | 2012-09-28 | 2013-01-30 | 杭州电子科技大学 | Hybrid power loop based on machine-hydraulic joint energy regeneration |
| CN104249715A (en) * | 2014-09-15 | 2014-12-31 | 郑州宇通客车股份有限公司 | Bus brake energy recycle hydraulic system |
| CN104831774A (en) * | 2015-04-16 | 2015-08-12 | 湖南网大科技有限公司 | Loader walking and braking energy recovery auxiliary driving device and control method |
| CN107420357A (en) * | 2017-07-21 | 2017-12-01 | 广西柳工机械股份有限公司 | Closed type hydraulic system |
| CN107856576A (en) * | 2017-10-24 | 2018-03-30 | 西南交通大学 | A kind of electro-hydraulic hybrid drive system of vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572440A (en) * | 2018-12-28 | 2019-04-05 | 重庆大学 | A kind of electric hydaulic hybrid power system and its control method applied to SUV |
| CN109552059A (en) * | 2018-12-29 | 2019-04-02 | 许昌学院 | A kind of heavy-duty car hybrid power control system and control method |
| CN109552059B (en) * | 2018-12-29 | 2023-10-24 | 许昌学院 | Hybrid power control system and control method for heavy-duty car |
| CN109572681A (en) * | 2019-01-22 | 2019-04-05 | 吉林大学 | A kind of vehicle drive system and its control method based on the coupling of tandem two-way hydraulic power stream |
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