CN108180078A - Exhaust-control valve - Google Patents
Exhaust-control valve Download PDFInfo
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
- F02D9/06—Exhaust brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
Landscapes
- 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
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.
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)
Publication Number | Publication Date |
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CN108180078A true CN108180078A (en) | 2018-06-19 |
CN108180078B CN108180078B (en) | 2020-07-28 |
Family
ID=62547527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711428263.2A Active CN108180078B (en) | 2017-12-26 | 2017-12-26 | Discharge control valve |
Country Status (1)
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CN (1) | CN108180078B (en) |
Citations (6)
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 |
-
2017
- 2017-12-26 CN CN201711428263.2A patent/CN108180078B/en active Active
Patent Citations (6)
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 |
Also Published As
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CN108180078B (en) | 2020-07-28 |
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