CN209566785U - A kind of automobile parallel liquid gas pressure hybrid power control system - Google Patents

A kind of automobile parallel liquid gas pressure hybrid power control system Download PDF

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Publication number
CN209566785U
CN209566785U CN201822256088.XU CN201822256088U CN209566785U CN 209566785 U CN209566785 U CN 209566785U CN 201822256088 U CN201822256088 U CN 201822256088U CN 209566785 U CN209566785 U CN 209566785U
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China
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valve
motor
reversal valve
connect
reversal
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CN201822256088.XU
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胡万强
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Xuchang University
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Xuchang University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

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Abstract

The utility model discloses a kind of automobile parallel liquid gas pressure hybrid power control systems;Including mixed drive clutch, pump/motor, the first reversal valve, deadweight safety valve, hydrostatic sensor, the second reversal valve, air compressor machine, motor two, the first check valve, second one-way valve, third reversal valve, one-way throttle valve, low pressure accumulator, high pressure accumulator, air pressure relief valve, baroceptor, air accumulator, pressure reducing valve and fuel tank;The output axis connection of mixed drive clutch and pump/motor, pump/motor are connect with fuel tank, and pump/motor is connect with the hydraulic fluid port A of the first reversal valve, hydrostatic sensor, deadweight safety valve, the second reversal valve and third reversal valve respectively;Braking energy is recycled using this control system, recycle vehicle downslope motion energy, and by pneumatic subsystem recover energy generation compressed air be used for injection engine or be used for brake etc. miscellaneous functions effectively vehicle energy is avoided to waste to improve engine fuel economy.

Description

A kind of automobile parallel liquid gas pressure hybrid power control system
Technical field
The utility model relates to a kind of mixed power automobile control system fields, and in particular to arrive a kind of automobile parallel liquid gas Press hybrid power control system.
Background technique
Heavy vehicle, urban road when driving, the operating conditions such as can start, brake with frequently occurring, it is during startup, right The demanded power output of engine is very high;In braking process, braking energy is converted into the heat on brake generally with heat Energy form loses, and not only wastes energy in this way, also results in system heat generation and element loss.
Highway descending road conditions when driving, general to require to run smoothly at the uniform velocity, this also requires driver constantly to brake simultaneously Braking, therefore braking energy can be also generated, equally, these braking energies are also converted to heat and are dissipated with form of thermal energy.
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 in descent run generally only with hydraulic system to Brake energy recovery The function of recycling.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of novel automobile parallel liquid gas pressure hybrid power controls System processed.
To achieve the above object, the utility model uses following technical solutions: a kind of automobile parallel liquid gas pressure is mixed Close power control system, including mixed drive clutch, pump/motor, the first reversal valve, deadweight safety valve, hydrostatic sensor, the Two reversal valves, air compressor machine, motor two, the first check valve, second one-way valve, third reversal valve, one-way throttle valve, low pressure accumulation of energy Device, high pressure accumulator, air pressure relief valve, baroceptor, air accumulator, pressure reducing valve and fuel tank;
The output axis connection of the mixed drive clutch and the pump/motor, the pump/motor and the fuel tank connect It connects, the pump/motor commutates with first reversal valve, the hydrostatic sensor, the deadweight safety valve, described second respectively The hydraulic fluid port A connection of valve and the third reversal valve;
The hydraulic fluid port O of the third reversal valve connects with the deadweight safety valve, first reversal valve and the fuel tank respectively It connects;
Second reversal valve is connect with the motor two, and the motor two is connect with the second one-way valve, and described Two check valves are connect with the fuel tank;
The output shaft of the motor two is connect with the air compressor machine, and the air compressor machine is connect with first check valve, institute The first check valve is stated to connect with the air pressure relief valve, the baroceptor and the air accumulator respectively;The air accumulator with Pressure reducing valve connection, the hydraulic fluid port B of the third reversal valve are connect with the one-way throttle valve, the one-way throttle valve respectively with The low pressure accumulator is connected with the high pressure accumulator.
Preferably, in the automobile parallel liquid gas pressure hybrid power control system, first reversal valve and described the Two reversal valves are bi-bit bi-pass proportional reversing valve, and the third reversal valve is 3-position-3-way proportional reversing valve.
Preferably, in the automobile parallel liquid gas pressure hybrid power control system, the deadweight safety valve and the gas Pressing safety valve is direct-acting type proportional overflow valve.
Preferably, in the automobile parallel liquid gas pressure hybrid power control system, the pressure reducing valve is distinguished by pipeline It is connect with engine, auxiliary system.
Preferably, in the automobile parallel liquid gas pressure hybrid power control system, control system further includes controller, institute State controller respectively with the mixed drive clutch, first reversal valve, second reversal valve, third reversal valve, institute Low pressure accumulator, the high pressure accumulator, the hydrostatic sensor, baroceptor connection are stated, is controlled by controller Each component.
Beneficial effect compared with the existing technology is that using the above scheme, the utility model can use hydraulic subsystem The characteristics of high power density and quick response, braking energy is mainly recycled, utilizes pneumatic subsystem high-energy density and slow dynamics The characteristics of, it is main to recycle vehicle downslope motion energy, and the recover energy compressed air of generation of pneumatic subsystem is used to inject Engine effectively avoids vehicle energy from wasting for miscellaneous functions such as brakes to improve engine fuel economy.
Detailed description of the invention
Fig. 1 is the automobile parallel liquid gas pressure hybrid power control system schematic diagram of the utility model;
Fig. 2 is that the vehicle descending control strategy in the automobile parallel liquid gas pressure hybrid power control system of the utility model is former Reason figure.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed Thin explanation.The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different Form is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this The understanding of the disclosure of utility model is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term used in this specification " successively ", " access " and class As state for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.
As shown in Figure 1, the automobile parallel liquid gas pressure hybrid power control system of the utility model, including mixed drive clutch Device 1, pump/motor 2, the first reversal valve 3, deadweight safety valve 4, hydrostatic sensor 5, the second reversal valve 6, air compressor machine 7, motor 28, First check valve 9, second one-way valve 10, third reversal valve 11, one-way throttle valve 12, low pressure accumulator 13, high pressure accumulator 14, Air pressure relief valve 15, baroceptor 16, air accumulator 17, pressure reducing valve 18, fuel tank 19;
Mixed drive clutch 1 and pump/motor 2 export axis connection, pump/motor 2 simultaneously with the first reversal valve 3, hydraulic biography Sensor 5, deadweight safety valve 4, the second reversal valve 6, the 11 hydraulic fluid port A connection of third reversal valve, pump/motor 2 are connect with fuel tank 19, third 11 hydraulic fluid port O of reversal valve is connect with deadweight safety valve 4, the first reversal valve 3, fuel tank 19 simultaneously, and the second reversal valve 6 connects with motor 28 It connects, motor 28 is connect with second one-way valve 10, and second one-way valve 10 is connect with fuel tank 19,28 output shaft of motor and air compressor machine 7 Connection, air compressor machine 7 connect with the first check valve 9, the first check valve 9 and meanwhile with air pressure relief valve 15, baroceptor 16, gas storage Tank 17 connects, and air accumulator 17 is connect with pressure reducing valve 18, and 11 hydraulic fluid port B of third reversal valve is connect with one-way throttle valve 12, one-way throttle Valve 12 is connect with low pressure accumulator 13, high pressure accumulator 14.
Preferably, the first reversal valve 3, the second reversal valve 6 are bi-bit bi-pass proportional reversing valve, and third reversal valve 11 is three Threeway proportional reversing valve.Preferably, deadweight safety valve 4, air pressure relief valve 15 are direct-acting type proportional overflow valve.Pressure reducing valve 18 is logical Pipeline is crossed to connect with engine, auxiliary system respectively.For example, compressed air can pass through air accumulator 17, pressure reducing valve when work 18, control piper and module injection engine improve engine fuel economy;For example, compressed air is used by auxiliary system In brake, chassis suspension etc..Preferably, further include controller, each component, controller are controlled by the control system in controller In control system control mixed drive clutch 1 folding, the first reversal valve 3, the second reversal valve 6,11 valve of third reversal valve Mouth folding size, low pressure accumulator 13 and 14 pressure of high pressure accumulator control, and hydrostatic sensor 5,16 signal of baroceptor are adopted Collection etc..
Automobile parallel liquid gas pressure hybrid power control method includes stopping brake energy regenerating control model;Stopping brake energy Amount recycling control model are as follows: electromagnet 2YA, 4YA obtain it is electric, 6 left position of the second reversal valve work, 11 left position of third reversal valve work, Wheel drives pump/motor 2 to rotate by mixed drive clutch 1, and oil liquid is oily from fuel tank 19, pump/motor 2, third reversal valve 11 Mouth A, one-way throttle valve 12 enter low pressure accumulator 13 and carry out regenerative braking accumulation of energy, as pressure reaches setting in low pressure accumulator 13 Maximal pressure force value, then oil liquid enter high pressure accumulator 14 carry out regenerative braking accumulation of energy.As 14 pressure of high pressure accumulator reaches To the setting upper limit, electromagnet 2YA power loss, 4YA obtains electric, and by 6 drive motor 28 of the second reversal valve, motor 28 drives empty oil liquid Press 7 rotates, and air compressor machine 7 generates compressed air, and compressed air is stored by the first check valve 9 into air accumulator 17.
Control method includes vehicle descent run Process Energy recycling control model;The recycling of vehicle descent run Process Energy Control model are as follows: such as low pressure accumulator 13,14 underfill liquid of high pressure accumulator, control system 20 issues instruction, and electromagnet 2YA is obtained Electricity, low pressure accumulator 13, high pressure accumulator 14 continue filling liquid, otherwise, electromagnet 4YA obtain it is electric, wheel pass through mixed drive clutch Device 1 drives pump/motor 2 to rotate, oil liquid from fuel tank 19, pump/motor 2, the second reversal valve 6, into motor 28, drive motor 28 Air compressor machine 7 is driven to rotate, air compressor machine 7 generates compressed air, and compressed air is stored up by the first check valve 9 into air accumulator 17 It deposits.If 17 pressure of air accumulator reaches the setting value upper limit, additional air is discharged by air pressure relief valve 15.
As shown in Fig. 2, it is consistent with braking condition in order to make to control power, it further include vehicle descending control strategy.For example, Including speed controlling unit, when the vehicle is running, speed v constantly with setting target velocity vrIt compares, difference is as defeated Enter and be transmitted to speed controller, output control signal, controls the adjusting of pump/motor 2 after speed controller is calculated according to respective algorithms Device, discharge capacity ε needed for exporting pump/motor 2 in real timePump, and then 2 output torque of pump/motor is controlled, it is kept to be exported with engine Balance, enables practical engine speeds more preferably to follow target engine speed.For another example including motor speed controlling unit, horse Up to 28 rotational speed omegasmWith setting speed ωrIt compares, difference is transmitted to motor speed controller, motor speed control as input Output control signal U after device is calculated according to respective algorithms1, for controlling the proportion electro-magnet 4YA of the second reversal valve 6, control the The open and close and valve openings of sizes of two reversal valves 6, so that the flow into motor 28 is controlled, it is final to control motor 28 and sky 7 revolving speed of press.If motor 28 and 7 revolving speed of air compressor machine are more than upper limit set value, controller issues signal, the first reversal valve 3 Proportion electro-magnet 1YA obtain it is electric, 3 left position of the first reversal valve work, 2 oil liquid of pump/motor pass through the direct oil return box of the first reversal valve 3 19, it avoids generating hypervelocity phenomenon to control air compressor machine 7.
Control method includes starting control model.E.g., including pure hydraulic starting control model, when hybrid vehicle opens When dynamic, as demand power is less than the engine fuel high efficient district lower limit of the power, and in high pressure accumulator 14 pressure be higher than set it is minimum When operating pressure, electromagnet 2YA obtains electric, and the work of 11 left position of third reversal valve, high-voltage oil liquid flows to pump/horse from high pressure accumulator 14 Up to 2, driving pump/motor 2 is rotated, and drives wheel rotation by mixed drive clutch 1.For example, further including that engine individually opens Dynamic control model, when starting, when automobile demand power be in engine fuel high efficient district, the disconnection of mixed drive clutch 1, gas storage A certain proportion of supplementary compressed air is then injected into engine by pressure reducing valve 18, air delivering pipeline, control module in tank 17, improves Engine fuel economy makes engine operation in Dual-energy source or dual mode.For example, further including combination drive control mould Formula, when starting, as vehicle demand power is greater than the engine fuel high efficient district upper limit of the power, and pressure value is high in high pressure accumulator 14 When setting minimum operating pressure, engine and high pressure accumulator 14 are worked at the same time, and drive vehicle launch jointly by coupling box.
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 the utility model specification record;Also, it for those of ordinary skills, can be according to above stating It is bright to be improved or converted, and all these modifications and variations all should belong to the protection model of the appended claims for the utility model It encloses.

Claims (5)

1. a kind of automobile parallel liquid gas pressure hybrid power control system, which is characterized in that including mixed drive clutch, pump/horse It reaches, the first reversal valve, deadweight safety valve, hydrostatic sensor, the second reversal valve, air compressor machine, motor two, the first check valve, second Check valve, third reversal valve, one-way throttle valve, low pressure accumulator, high pressure accumulator, air pressure relief valve, baroceptor, gas storage Tank, pressure reducing valve and fuel tank;
The output axis connection of the mixed drive clutch and the pump/motor, the pump/motor are connect with the fuel tank, institute State pump/motor respectively with first reversal valve, the hydrostatic sensor, the deadweight safety valve, second reversal valve and The hydraulic fluid port A connection of the third reversal valve;
The hydraulic fluid port O of the third reversal valve is connect with the deadweight safety valve, first reversal valve and the fuel tank respectively;
Second reversal valve is connect with the motor two, and the motor two is connect with the second one-way valve, and described second is single It is connect to valve with the fuel tank;
The output shaft of the motor two is connect with the air compressor machine, and the air compressor machine is connect with first check valve, and described One check valve is connect with the air pressure relief valve, the baroceptor and the air accumulator respectively;The air accumulator with it is described Pressure reducing valve connection, the hydraulic fluid port B of the third reversal valve connect with the one-way throttle valve, the one-way throttle valve respectively with it is described Low pressure accumulator is connected with the high pressure accumulator.
2. automobile parallel liquid gas pressure hybrid power control system according to claim 1, which is characterized in that described first changes It is bi-bit bi-pass proportional reversing valve to valve and second reversal valve, the third reversal valve is 3-position-3-way proportional reversing valve.
3. automobile parallel liquid gas pressure hybrid power control system according to claim 1, which is characterized in that the hydraulic peace Full valve and the air pressure relief valve are direct-acting type proportional overflow valve.
4. automobile parallel liquid gas pressure hybrid power control system according to claim 1, which is characterized in that the pressure reducing valve It is connect respectively with engine, auxiliary system by pipeline.
5. automobile parallel liquid gas pressure hybrid power control system according to claim 1, which is characterized in that control system is also Including controller, the controller respectively with the mixed drive clutch, first reversal valve, second reversal valve, Third reversal valve, the low pressure accumulator, the high pressure accumulator, the hydrostatic sensor, baroceptor connection, lead to It crosses controller and controls each component.
CN201822256088.XU 2018-12-29 2018-12-29 A kind of automobile parallel liquid gas pressure hybrid power control system Expired - Fee Related CN209566785U (en)

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Application Number Priority Date Filing Date Title
CN201822256088.XU CN209566785U (en) 2018-12-29 2018-12-29 A kind of automobile parallel liquid gas pressure hybrid power control system

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246937A (en) * 2021-06-21 2021-08-13 吉林大学 Intelligent hydraulic auxiliary braking system for heavy commercial vehicle and control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246937A (en) * 2021-06-21 2021-08-13 吉林大学 Intelligent hydraulic auxiliary braking system for heavy commercial vehicle and control method
CN113246937B (en) * 2021-06-21 2021-12-21 吉林大学 Intelligent hydraulic auxiliary braking system for heavy commercial vehicle and control method

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