CN108180078A - Exhaust-control valve - Google Patents

Exhaust-control valve Download PDF

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Publication number
CN108180078A
CN108180078A CN201711428263.2A CN201711428263A CN108180078A CN 108180078 A CN108180078 A CN 108180078A CN 201711428263 A CN201711428263 A CN 201711428263A CN 108180078 A CN108180078 A CN 108180078A
Authority
CN
China
Prior art keywords
exhaust
valve
valve body
cylinder
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711428263.2A
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Chinese (zh)
Other versions
CN108180078B (en
Inventor
余小军
裘虹
蒋银锋
孙嘉威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Easun Pneumatic Science and Technology Co Ltd
Original Assignee
Easun Pneumatic Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Easun Pneumatic Science and Technology Co Ltd filed Critical Easun Pneumatic Science and Technology Co Ltd
Priority to CN201711428263.2A priority Critical patent/CN108180078B/en
Publication of CN108180078A publication Critical patent/CN108180078A/en
Application granted granted Critical
Publication of CN108180078B publication Critical patent/CN108180078B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/04Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
    • F02D9/06Exhaust brakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1065Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

The present invention relates to a kind of exhaust-control valve, including a cylinder, a displacement sensor, an attachment device, a transmission device and a valve body;Institute's displacement sensors are connected with the cylinder, and the piston rod connector of the cylinder is connected with the attachment device, and the transmission device is connected with the attachment device, and the transmission device is connected with the valve body;Wherein, institute's displacement sensors include a sensor body, a follower lever and a signal output terminal, and the sensor body is fixedly connected with the cylinder, and the follower lever is connected with piston rod, and the signal output terminal and automobile computer are electrically connected.Exhaust emissions of the present invention control engine under some specific operations, meets engine and reaches discharge standard, so as to which vehicle be made to achieve the effect that energy-saving and emission-reduction.

Description

Exhaust-control valve
Technical field
The present invention relates to a kind of control valves, and in particular to a kind of Pneumatic motor Exhaust Emission Control valve of vehicle.
Background technology
Today's society, it is environmentally friendly and it is energy saving be forever social concerns theme.With China's automobile production amount and ownership Abruptly increase, especially city automobile increase, and the motor vehicle exhaust emission in air is more and more, and motor vehicle exhaust emission is to the ring in China Border also results in tremendous influence, exacerbates the deterioration of environment.Continuous haze weather in recent years always affects the strong of people Health and life style.In order to which main engine plants is encouraged to reduce the exhaust emissions of vehicle, the automobile that state six discharges will be in the coming years for country Inside push to market.
For engine in cold start-up and fuel oil imperfect combustion, tail gas pollution amount of emissions is maximum, in addition in firm start, Exhaust aftertreatment temperature is not up to the optimum temperature of its work, and pollution conversion ratio is relatively low.At present, it is dirty in order to reduce vehicle exhaust Dye, people are mainly in the quality of improvement fuel oil or using new-energy automobile, since new-energy automobile also has many bottles at present Neck, and fuel-engined vehicle is current or the main vehicles.Therefore, it is necessary to vehicle exhaust is handled before discharging.
In conclusion there is the place promoted in the automobile exhaust of the prior art.
Invention content
In view of the foregoing drawbacks, the object of the present invention is to provide exhaust-control valve a kind of simple and compact for structure, that performance is stablized, With solve the prior art the technical issues of.
To achieve the above object, present invention employs following technical solutions:
A kind of exhaust-control valve, including a cylinder, a displacement sensor, an attachment device, a transmission device and a valve body; Institute's displacement sensors are connected with the cylinder, and the piston rod connector of the cylinder is connected with the attachment device, the biography Dynamic device is connected with the attachment device, and the transmission device is connected with the valve body;Wherein, institute's displacement sensors include one Sensor body, a follower lever and a signal output terminal, the sensor body are fixedly connected with the cylinder, described driven Bar is connected with piston rod, and the signal output terminal and automobile computer are electrically connected.
According to the exhaust-control valve described in the embodiment of the present invention, the transmission device includes an a valve block, axle sleeve, one driven Axis and a shaft, the valve block are put into the pipeline for connecting the valve body, and the axle sleeve and driven shaft are inserted into the valve block, institute The both ends of axle sleeve and driven shaft are stated respectively in the valve block and the valve body, by valve block limiting the valve body pipeline In;One end of the shaft, which is inserted into, connects the axle sleeve, and the other end of the shaft protrudes from the valve body.
According to the exhaust-control valve described in the embodiment of the present invention, the attachment device include a connecting bracket, a lower bolster, One outer spring, a spring pocket, a upper padding plate and a rocking arm, the valve body and the upper padding plate are paid with screw lock, in the valve body Lower bolster, connecting bracket, outer spring and spring pocket are sequentially connected between the upper padding plate;One end of the shaft protrudes from institute Upper padding plate is stated, the shaft is protruded from one end of the upper padding plate and paid with one end of nut and rocking arm lock, the rocking arm Other end has a rocking arm connecting rod, and the rocking arm connecting rod is connected with the piston rod connector.
The design philosophy of the application is:When using this exhaust-control valve, it is possible to reduce engines tail tolerance, while can be fast Speed improves engine temperature, so as to which exhaust aftertreatment be made to be rapidly achieved optimum working temperature.This exhaust-control valve can not only control The discharge of exhaust pollutant, and can be used as exhaust brake valve of engine, so as to which vehicle be made to reach the effect of energy-saving and emission-reduction Fruit.
As a result of above technical solution so that the present invention compared with the prior art, has the following advantages that and accumulates Pole effect:
Firstth, exhaust emissions of the exhaust-control valve control engine of the application under some specific operations, satisfaction are started Machine reaches the discharge standard in Europe six;
Secondth, the application exhaust-control valve is used for engine exhaust and brake, meets regulation in GB7258 and vehicle is assisted making Dynamic requirement;
Third, the application exhaust-control valve can not only control the discharge of exhaust pollutant, and engine can be used as to arrange Air brake valve uses, so as to which vehicle be made to achieve the effect that energy-saving and emission-reduction.
Certainly, implement any one specific embodiment of the content of present invention, the skill might not simultaneously with all of the above Art effect.
Description of the drawings
Fig. 1 is the exhaust-control valve schematic diagram of the application;
Fig. 2 is the cylinder of the application and displacement sensor connection diagram;
Fig. 3 is that the application blows schematic diagram;
Fig. 4 is the schematic top plan view of Fig. 1;
Fig. 5 is the part connection diagram of the application.
Specific embodiment
Several preferred embodiments of the present invention are described in detail, but the present invention is not restricted to below in conjunction with attached drawing These embodiments.The present invention covers any replacement, modification, equivalent method and side made in the spirit and scope of the present invention Case.In order to which the public is made to have thorough understanding to the present invention, it is described in detail in present invention below preferred embodiment specific thin Section, and description without these details can also understand the present invention completely for a person skilled in the art.In addition, in order to avoid To the present invention essence cause it is unnecessary obscure, be not described in detail well-known method, process, flow, element etc..
It please refers to Fig.1 and Fig. 2, a kind of exhaust-control valve, including a cylinder 10, a displacement sensor 20, an attachment device 30th, a transmission device 40 and a valve body 50;Institute's displacement sensors 20 and the cylinder 10 connect, the piston rod of the cylinder 10 Connector 12 and the attachment device 30 connect, and the transmission device 40 and the attachment device 30 connect, the transmission device 40 and the valve body 50 connect;Wherein, institute's displacement sensors 20 include a sensor body 21, a follower lever 22 and a signal Leading-out terminal 23, the sensor body 21 are fixedly connected with the cylinder 10, and the follower lever 22 and piston rod 11 connect, institute It states signal output terminal 23 and automobile computer (ECU, hereinafter referred to as ECU) is electrically connected.
As shown in Fig. 2, the mode that the follower lever 22 and piston rod 11 connect, is fixedly connected with a connecting piece, so, When piston rod 11 forward extends out, follower lever 22 is also stretched out from sensor body 21, according to follower lever 22 from sensor body The length stretched out in 21 can calculate the displacement distance of piston rod 11 and the angle of the unlatching of valve block 41.These information are by believing Number leading-out terminal 23 is conveyed to ECU, and the unlatching of valve block 41, the angle closed are judged by ECU.
In addition, as shown in figure 3, the transmission device 40 includes a valve block 41, an axle sleeve 42, a driven shaft 43 and a shaft 44, the valve block 41 is put into the pipeline for connecting the valve body 50, and the axle sleeve 42 and driven shaft 43 are inserted into the valve block 41, In the valve block 41 and the valve body 50, the valve block 41 is limited in institute respectively for the both ends of the axle sleeve 42 and driven shaft 43 In the pipeline for stating valve body 50;One end of the shaft 44, which is inserted into, connects the axle sleeve 42, the other end protrusion of the shaft 44 In the valve body 50.Valve block 41 is in the pipeline of valve body 50, the storage and discharge of gas in control pipeline, and valve block 41 is allowed to deflect Strength come from the rotation of shaft 44.
In addition, as shown in Figure 3 and Figure 4, the attachment device 30 includes a connecting bracket 31, a lower bolster 32, an outer bullet Spring 33, a spring pocket 34, a upper padding plate 35 and a rocking arm 36, the valve body 50 and the upper padding plate 35 are paid with screw lock, in institute It states and lower bolster 32, connecting bracket 31, outer spring 33 and spring pocket 34 is sequentially connected between valve body 50 and the upper padding plate 35;It is described One end of spring pocket 34 protrudes from the upper padding plate 35;And one end of the shaft 44 protrudes from the upper padding plate 35, and it is described Shaft 44 is protruded from one end of the upper padding plate 35 and is paid with one end of nut and the rocking arm 36 lock, and other the one of the rocking arm 36 There is a rocking arm connecting rod 361 at end, and the rocking arm connecting rod 361 and the piston rod connector 12 connect.It is whole until this step A exhaust-control valve is just completed.As shown in figure 5, the lower surface of upper padding plate 35 is connected with spring pocket 34, spring pocket 34 by To the expansionary force of outer spring 33, upper padding plate 35 is jacked up, such design has the sky of buffering in 35 movement under force of upper padding plate Between, it will not block.In figure, there is a connecting rod 311 in one end of connecting bracket 31, and connecting rod 311 is used for locking cylinder 10, by cylinder 10 fixedly positioning and will not move.
Say the operation principle of the application product:Such exhaust-control valve belongs to electrodeless formula exhaust butterfly valve, is vented butterfly valve Work pneumatic proportional pressure valve adds band displacement sensor formula single-acting cylinder 10 to control, and exhaust butterfly valve opening size is according to ECU To control.The exhaust-control valve of the application can be used for exhaust emissions processing system, it can also be used to exhaust and brake system.When using During exhaust emissions processing system, the size of aperture is limited by engine operation condition.When engine starts or firm in portion When dividing load, exhaust butterfly valve can be opened, the size of aperture is limited by engine water temperature, torque, rotating speed and accelerator open degree.As row Air brake valve makes engine generate braking work in use, its effect is to block exhaust pipe, but is vented butterfly valve front end there are one press Force snesor, the size of butterfly valve opening are controlled by upstream pressure, so as to ensure the stabilization of exhaust brake back pressure.
When engine is in cold start-up, partial load condition or need to use exhaust brake, ECU sends out signal, drives gas Dynamic proportional pressure valve input air pressure makes band displacement-type single-acting cylinder 10 drive exhaust-control valve.And exhaust-control valve influences hair The operating mode of motivation, ECU can control pneumatic proportional pressure according to the stroke with displacement-type single-acting cylinder 10 and engine condition The output pressure of valve, to meet engine optimum Working.
In conclusion as a result of above technical solution so that the present invention compared with the prior art, has following Advantage and good effect:
Firstth, exhaust emissions of the exhaust-control valve control engine of the application under some specific operations, satisfaction are started Machine reaches the discharge standard in Europe six;
Secondth, the application exhaust-control valve is used for engine exhaust and brake, meets regulation in GB7258 and vehicle is assisted making Dynamic requirement;
Third, the application exhaust-control valve can not only control the discharge of exhaust pollutant, and engine can be used as to arrange Air brake valve uses, so as to which vehicle be made to achieve the effect that energy-saving and emission-reduction.
Invention preferred embodiment is only intended to help to illustrate the present invention.There is no all thin of detailed descriptionthe for preferred embodiment Section, does not limit the invention to the specific embodiments described.Obviously, according to the content of this specification, many repair can be made Change and change.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the principle of the present invention and reality Using so as to which skilled artisan be enable to utilize the present invention well.The present invention is only by claims and its entirely The limitation of portion's range and equivalent.Disclosed above is only presently preferred embodiments of the present invention, but is not used for limiting itself, Any those skilled in the art are in the case of without prejudice to spiritual connotation of the present invention, the equivalent change done and change, It should all be within the scope of the present invention.

Claims (3)

1. a kind of exhaust-control valve, which is characterized in that including a cylinder, a displacement sensor, an attachment device, a transmission device With a valve body;Institute's displacement sensors are connected with the cylinder, and the piston rod connector of the cylinder and the attachment device connect It connects, the transmission device is connected with the attachment device, and the transmission device is connected with the valve body;Wherein,
Institute's displacement sensors include a sensor body, a follower lever and a signal output terminal, the sensor body and The cylinder is fixedly connected, and the follower lever is connected with piston rod, and the signal output terminal and automobile computer are electrically connected.
2. exhaust-control valve as described in claim 1, which is characterized in that the transmission device includes a valve block, an axle sleeve, one Driven shaft and a shaft, the valve block are put into the pipeline for connecting the valve body, and the axle sleeve and driven shaft are inserted into the valve block In, in the valve block and the valve body, the valve block is limited in the valve body respectively for the both ends of the axle sleeve and driven shaft Pipeline in;One end of the shaft, which is inserted into, connects the axle sleeve, and the other end of the shaft protrudes from the valve body.
3. exhaust-control valve as claimed in claim 2, which is characterized in that the attachment device includes a connecting bracket, once Backing plate, an outer spring, a spring pocket, a upper padding plate and a rocking arm, the valve body and the upper padding plate are paid with screw lock, described Lower bolster, connecting bracket, outer spring and spring pocket are sequentially connected between valve body and the upper padding plate;One end protrusion of the shaft In the upper padding plate, the shaft is protruded from one end of the upper padding plate and is paid with one end of nut and rocking arm lock, described to shake The other end of arm has a rocking arm connecting rod, and the rocking arm connecting rod is connected with the piston rod connector.
CN201711428263.2A 2017-12-26 2017-12-26 Discharge control valve Active CN108180078B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711428263.2A CN108180078B (en) 2017-12-26 2017-12-26 Discharge control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711428263.2A CN108180078B (en) 2017-12-26 2017-12-26 Discharge control valve

Publications (2)

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CN108180078A true CN108180078A (en) 2018-06-19
CN108180078B CN108180078B (en) 2020-07-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101103190A (en) * 2004-11-22 2008-01-09 雅各布斯车辆系统公司 Apparatus and method for controlling exhaust pressure
US20150114347A1 (en) * 2013-10-30 2015-04-30 Holley Performance Products Inc. Throttle Position Sensor (TPS) Clocker
US20150337767A1 (en) * 2014-05-21 2015-11-26 Continental Automotive Systems, Inc. Electronic throttle body assembly
CN205744162U (en) * 2016-07-05 2016-11-30 北京福田康明斯发动机有限公司 A kind of system of auxiliary diesel vehicle-mounted method discharge
CN206175070U (en) * 2016-10-31 2017-05-17 济南百惠凯希汽车零部件有限公司 Half flexible hinged joint formula exhaust and brake butterfly valve
CN207701227U (en) * 2017-12-26 2018-08-07 浙江亿日气动科技有限公司 Exhaust-control valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101103190A (en) * 2004-11-22 2008-01-09 雅各布斯车辆系统公司 Apparatus and method for controlling exhaust pressure
US20150114347A1 (en) * 2013-10-30 2015-04-30 Holley Performance Products Inc. Throttle Position Sensor (TPS) Clocker
US20150337767A1 (en) * 2014-05-21 2015-11-26 Continental Automotive Systems, Inc. Electronic throttle body assembly
CN205744162U (en) * 2016-07-05 2016-11-30 北京福田康明斯发动机有限公司 A kind of system of auxiliary diesel vehicle-mounted method discharge
CN206175070U (en) * 2016-10-31 2017-05-17 济南百惠凯希汽车零部件有限公司 Half flexible hinged joint formula exhaust and brake butterfly valve
CN207701227U (en) * 2017-12-26 2018-08-07 浙江亿日气动科技有限公司 Exhaust-control valve

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