CN201882015U - Hydraulic common rail device of engineering vehicle multi work hydraulic sources - Google Patents

Hydraulic common rail device of engineering vehicle multi work hydraulic sources Download PDF

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Publication number
CN201882015U
CN201882015U CN2010206638969U CN201020663896U CN201882015U CN 201882015 U CN201882015 U CN 201882015U CN 2010206638969 U CN2010206638969 U CN 2010206638969U CN 201020663896 U CN201020663896 U CN 201020663896U CN 201882015 U CN201882015 U CN 201882015U
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CN
China
Prior art keywords
hydraulic
common rail
rail
hydraulic oil
subsystem
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Expired - Fee Related
Application number
CN2010206638969U
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Chinese (zh)
Inventor
秦四成
秦司南
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Jilin University
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Jilin University
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Publication date
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Priority to CN2010206638969U priority Critical patent/CN201882015U/en
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Publication of CN201882015U publication Critical patent/CN201882015U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a hydraulic common rail device of engineering vehicle multi work hydraulic sources. The hydraulic common rail device comprises a hydraulic oil source system, an electronic control unit and at least two subsystem actuating mechanism control valves, wherein the hydraulic oil source system consists of an electronic control hydraulic oil pump, a common rail cavity, a common rail pressure valve, a common rail cavity pressure sensor and an oil tank; and the subsystem actuating mechanism control valves are connected with the common rail cavity. The hydraulic common rail device has the advantages of being capable of conveniently adapting to the requirements of vehicle subsystems on hydraulic working parameters, simplifying the composition of a vehicle hydraulic system, reducing the cost of the hydraulic system, improving the work efficiency of the hydraulic system and saving the work energy consumption of a vehicle system by adopting the combined work of the single electronic control hydraulic oil pump and the common rail cavity.

Description

A kind of engineering truck multiplex (MUX) makes the hydraulic pressure common-rail system of hydraulic power source
Technical field:
The utility model relates to the hydraulic pressure common-rail system that a kind of multiplex (MUX) makes hydraulic power source, relates in particular to a kind of hydraulic pressure common-rail system that multiplex (MUX) in the engineering truck makes hydraulic power source that is applied in.
Background technology:
Engineering truck is a special vehicle of finishing specific engineer operation, in the vehicle ' process, be accompanied by the requirement of various composite moves and function, mouth in the vehicle power source engine system needs a plurality of operating fluid potential sources, with the power-assisted power demand of power demand, steering swivel system of satisfying the equipment system acting respectively, the power demand of Vehicular system cooling heat dissipation fans drive, the power demand of brake system control of braking, the power demand of pilot control system, the multinomial functional requirements such as maintenance of the supporting system hydraulic pressure that suspends.At present, multiplex (MUX) in engineering truck makes hydraulic power source and often adopts heavy wool pump hydraulic power source device, makes that each subsystem is separate, hydraulic pump source quantity is many, system constitutes the cost height, intermittence is big with the waste of cycle operation hydraulic energy, vehicle use energy consumption increases, efficient is low.
The utility model content:
The purpose of this utility model provides the hydraulic pressure common-rail system that a kind of engineering truck multiplex (MUX) makes hydraulic power source, is satisfying under the requirement of each subsystem to the hydraulic parameter, adopts the work of single electric-controlled hydraulic oil pump.
The utility model comprises the hydraulic oil source system, ECU (Electrical Control Unit) 1 and at least two sub-system actuator control cock 2, described hydraulic oil source system is by electric-controlled hydraulic oil pump 3, be total to rail chamber 4, common rail pressure valve 5, rail cavity pressure sensor 6 and fuel tank 7 are formed altogether, described electric-controlled hydraulic oil pump 3 provides hydraulic oil to described rail chamber 4 altogether, described ECU (Electrical Control Unit) 1 is collected the described signal of rail cavity pressure sensor 6 altogether, each subsystem actuating mechanism controls valve working state signal, and control the mode of operation of described electric-controlled hydraulic oil pump 3, described fuel tank 7 is flowed back in the oil return of described common rail pressure valve 5; Described subsystem actuating mechanism controls valve 2 is connected with described rail chamber 4 altogether, and described ECU (Electrical Control Unit) 1 is controlled described subsystem actuating mechanism controls valve 2 respectively, and described fuel tank 7 is flowed back in the oil return of described actuating mechanism controls valve 2.
Described ECU (Electrical Control Unit) 1 also is connected with engine speed sensor 8, air temperature sensor 9 and hydraulic fluid temperature sensor 10.
Advantage of the present utility model is to provide stable hydraulic parameter demand by being total to rail chamber and each subsystem actuating mechanism controls valve to each subsystem of vehicle by adopting the work of single electric-controlled hydraulic oil pump, has improved the alerting ability of design of Hydraulic System and work.Simultaneously the required drive torque of electric-controlled hydraulic oil pump is saved engine power consumption than heavy wool pump drive torque much less under the traditional approach.The generation of rail chamber hydraulic pressure separates with each subsystem work demand altogether, separates with the engine speed characteristic, and stablizing, effectively providing of each subsystem hydraulic parameter has been provided.A plurality of hydraulic subsystems can be worked synchronously or in the respective combination mode, do not disturb mutually.Operating needs at various engineering truck main frames, the utility model can adapt to the requirement of each subsystem of vehicle to the hydraulic parameter flexibly, easily, simplifies automobile hydraulic system and forms, and reduces the hydraulic efficiency pressure system cost, improve hydraulic work system efficient, save the consumption of Vehicular system work capacity.
Description of drawings:
Fig. 1 is the utility model structural representation.
Wherein 1 is ECU (Electrical Control Unit), 2 is subsystem actuating mechanism controls valve, 3 is the electric-controlled hydraulic oil pump, and 4 for being total to the rail chamber, and 5 is the common rail pressure valve, 6 for being total to rail cavity pressure sensor, 7 is fuel tank, and 8 is engine speed sensor, and 9 is air temperature sensor, 10 is the hydraulic fluid temperature sensor, and 11 is actuating unit.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
The hydraulic oil source system is made up of single electric-controlled hydraulic oil pump, common rail chamber, common rail pressure valve, common rail cavity pressure sensor and fuel tank.The electric-controlled hydraulic oil pump is rotated by engine drive, provide the hydraulic oil of certain pressure, flow to being total to the rail chamber, the pressure parameter in rail chamber is by pressure sensor monitoring altogether, and be delivered to ECU (Electrical Control Unit), ECU (Electrical Control Unit) is according to each system monitor parameters, the mode of operation of control oil pump is stablized the operation pressure in common rail chamber, working flow within the specific limits.Utilize the common rail chamber of big volume, the high pressure oil of electric-controlled hydraulic oil pump output is accumulated, can effectively eliminate the fluctuation of pressure of hydraulic oil, and the generation of pressure is directly not related with engine speed.
The utility model can have the hydraulic energy output of several (more than two) subsystems, and the rail chamber ensures the job requirement of each subsystem respectively to subsystem delivery pressure P, flow Q altogether.This specific embodiment has seven sub-system outlets, and the hydraulic energy output of each subsystem with certain operation pressure, the output of working flow assembled state, is satisfied the requirement of subsystem hydraulic all through subsystem actuating mechanism controls valve.Because be total to the pressure stability in rail chamber, each subsystem hydraulic flow depends on latus rectum, the load pressure size of subsystem actuating mechanism controls valve.Each subsystem can be synchronously or with corresponding array mode work, do not disturb mutually.Each subsystem actuating mechanism controls valve is controlled by ECU (Electrical Control Unit).The oil return current-sharing oil sump tank of common rail pressure valve and each subsystem actuating mechanism controls valve.
The monitoring of the utility model mode of operation is finished by ECU (Electrical Control Unit), various state parameters all input to ECU (Electrical Control Unit), and ECU (Electrical Control Unit) is analyzed in view of the above, the evaluation work state, the output control command, control is rail cavity pressure feature altogether, ensures that the rail chamber provides stable hydraulic parameter to each subsystem altogether.ECU (Electrical Control Unit) is connected with common rail cavity pressure sensor, engine speed sensor, air temperature sensor, hydraulic fluid temperature sensor, each subsystem hydraulic pressure sensor and each spill pressure sensor.The electric-controlled hydraulic oil pump is under ECU (Electrical Control Unit) control, and control inputs to flow, the pressure parameter in common rail chamber, makes the operation pressure in common rail chamber stable.

Claims (2)

1. an engineering truck multiplex (MUX) makes the hydraulic pressure common-rail system of hydraulic power source, it is characterized in that comprising the hydraulic oil source system, ECU (Electrical Control Unit) (1) and at least two sub-system actuator control cock (2), described hydraulic oil source system is by electric-controlled hydraulic oil pump (3), be total to rail chamber (4), common rail pressure valve (5), rail cavity pressure sensor (6) and fuel tank (7) are formed altogether, described electric-controlled hydraulic oil pump (3) provides hydraulic oil to described rail chamber (4) altogether, described ECU (Electrical Control Unit) (1) is collected the described signal of rail cavity pressure sensor (6) altogether, each subsystem actuating mechanism controls valve working state signal, and control the mode of operation of described electric-controlled hydraulic oil pump (3), described fuel tank (7) is flowed back in the oil return of described common rail pressure valve (5); Described subsystem actuating mechanism controls valve (2) is connected with described rail chamber (4) altogether, described ECU (Electrical Control Unit) (1) is controlled described subsystem actuating mechanism controls valve (2) respectively, and described fuel tank (7) is flowed back in the oil return of described actuating mechanism controls valve (2).
2. a kind of engineering truck multiplex (MUX) according to claim 1 makes the hydraulic pressure common-rail system of hydraulic power source, it is characterized in that described ECU (Electrical Control Unit) (1) also is connected with engine speed sensor (8), air temperature sensor (9) and hydraulic fluid temperature sensor (10).
CN2010206638969U 2010-12-16 2010-12-16 Hydraulic common rail device of engineering vehicle multi work hydraulic sources Expired - Fee Related CN201882015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206638969U CN201882015U (en) 2010-12-16 2010-12-16 Hydraulic common rail device of engineering vehicle multi work hydraulic sources

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206638969U CN201882015U (en) 2010-12-16 2010-12-16 Hydraulic common rail device of engineering vehicle multi work hydraulic sources

Publications (1)

Publication Number Publication Date
CN201882015U true CN201882015U (en) 2011-06-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206638969U Expired - Fee Related CN201882015U (en) 2010-12-16 2010-12-16 Hydraulic common rail device of engineering vehicle multi work hydraulic sources

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003315A (en) * 2010-12-16 2011-04-06 吉林大学 Hydraulic common-rail device of multiple working hydraulic sources of engineering vehicle
CN109519293A (en) * 2018-10-29 2019-03-26 宝鸡吉利发动机有限公司 A kind of method and fuel system controlling fuel system distributive value

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003315A (en) * 2010-12-16 2011-04-06 吉林大学 Hydraulic common-rail device of multiple working hydraulic sources of engineering vehicle
CN102003315B (en) * 2010-12-16 2012-11-07 吉林大学 Hydraulic common-rail device of multiple working hydraulic sources of engineering vehicle
CN109519293A (en) * 2018-10-29 2019-03-26 宝鸡吉利发动机有限公司 A kind of method and fuel system controlling fuel system distributive value
CN109519293B (en) * 2018-10-29 2021-12-28 宝鸡吉利发动机有限公司 Method for controlling fuel injection quantity of fuel system and fuel system

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110629

Termination date: 20111216