CN204941705U - A kind of device for improving turbo-charged diesel braking force - Google Patents
A kind of device for improving turbo-charged diesel braking force Download PDFInfo
- Publication number
- CN204941705U CN204941705U CN201520585171.5U CN201520585171U CN204941705U CN 204941705 U CN204941705 U CN 204941705U CN 201520585171 U CN201520585171 U CN 201520585171U CN 204941705 U CN204941705 U CN 204941705U
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- CN
- China
- Prior art keywords
- valve
- turbosupercharger
- control valve
- braking force
- suction port
- 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.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Supercharger (AREA)
Abstract
The utility model discloses a kind of device for improving turbo-charged diesel braking force, comprise control valve, turbosupercharger, control valve is provided with suction port, air outlet, the air outlet of control valve is communicated with the turbine chamber suction port of turbosupercharger, control valve is provided with the fluidic channel of leading to turbocharger turbine room, and the other end of fluidic channel is connected with the suction port of control valve.The utility model has larger advantage further raising in turbo-charged diesel braking force, and the change need done existing turbo-charged diesel is less, and improving cost is lower.
Description
Technical field
The utility model relates to a kind of device for improving turbo-charged diesel braking force.
Background technique
Turbo-charging diesel device installs turbosupercharger after the exhaust manifold of diesel engine, turbosupercharger is mainly made up of turbine chamber and pressurized machine, turbine chamber is provided with suction port and air outlet, the suction port of turbine chamber is connected with the outlet pipe of diesel engine, air outlet is then connected with the final discharge conduit of waste gas, pressurized machine is provided with suction port and air outlet, the suction port of pressurized machine is connected with air-strainer pipeline, the air outlet of pressurized machine is connected with the suction tude of diesel engine, in turbine chamber, turbine is installed, in pressurized machine, impeller is installed, turbine is coaxial and rigid joint with impeller.From the outlet pipe of diesel engine waste gas out by promoting turbine rotation during turbine chamber, thus drives impeller is rotated, and is transported to after the air compressing of coming from air-strainer pipeline in cylinder through suction tude.
Engine braking refers to be considered for travel safety, a kind of pattern is adopted in the section that the vehicles such as descending easily exceed the speed limit, under this pattern, motor no longer carries out fuel supply, and by controlling to allow internal-combustion engine consume certain energy in operation process valve timing, thus reach the object reducing the speed of a motor vehicle.At present, in order to improve the braking force of turbo-charged diesel, usually at the air outlet place of the turbine chamber of turbosupercharger, a control valve can be installed, control valve can be made to be in semi-closed state when needing braking, so just can increase exhaust back pressure.Control valve is once be in semi-closed state, and turbosupercharger will quit work, and the air now entered in cylinder is no longer pressurized air, and the resistance in diesel engine compression stroke will reduce, and is so just unfavorable for the raising of diesel engine braking force.
Summary of the invention
The purpose of this utility model is to provide a kind of device for improving turbo-charged diesel braking force, in this, as improvements over the prior art.
For achieving the above object, the utility model comprises control valve, turbosupercharger, control valve is provided with suction port, air outlet, its structural feature is that the air outlet of described control valve is communicated with the turbine chamber suction port of turbosupercharger, control valve is provided with the fluidic channel of leading to turbocharger turbine room, and the other end of fluidic channel is connected with the suction port of control valve.
Described control valve is exhaust butterfly valve, exhaust butterfly valve comprises valve body, valve body is provided with air-flow path, one end of air-flow path is suction port, the other end of air-flow path is air outlet, valve body is rotatablely equipped with rotating valve rod, the part that valve rod is positioned at air-flow path is connected with can rotate with valve rod thus control the butterfly plate of air-flow path break-make.
Described fluidic channel is the through hole be opened on butterfly plate.
Described fluidic channel comprises two jet flow groove be located on valve interior wall, one end of jet flow groove is connected with the suction port place end of valve body, the other end of jet flow groove is from place, the air outlet end pass-out of valve body, and the turbine chamber inwall of turbosupercharger is provided with corresponding with jet flow groove and leads to two drainage troughs at turbine place place.
The rotation axis of described drainage trough around turbine on the turbine chamber inwall of turbosupercharger extends in the shape of a spiral.
The described device for improving turbo-charged diesel braking force, is characterized in that described valve body being provided with the power plant rotated for actuate valve stem.
After adopting said structure, before control valve is arranged in turbosupercharger, like this when engine braking modes is opened, control valve can be closed completely, waste gas can spray and act on the turbine of turbosupercharger in fluidic channel simultaneously, can not only form higher exhaust back pressure value like this, and turbosupercharger can be made to work under high-speed jet effect, so just can improve suction pressure, thus increase the drag effect of diesel engine compression stroke.Be not difficult to find out by above analysis, the utility model has larger advantage further raising in turbo-charged diesel braking force, and the change that this structure need be done existing turbo-charged diesel is less, and improving cost is lower.Control valve has the advantages such as high temperature resistant, easy manipulation for exhaust butterfly valve, exhaust butterfly valve, and using effect is better; Fluidic channel is the through hole be opened in the middle part of butterfly plate, and when being vented butterfly valve and closing, pressurized gas can spray to drive turbocharger operation in through hole; Fluidic channel comprises two jet flow groove be located on valve body and two drainage troughs be located on the turbine chamber of turbosupercharger, drainage trough is corresponding with jet flow groove, when being vented butterfly valve and closing, the bypass flow channel ejection that pressurized gas can be formed along jet flow groove, drainage trough, forming two strands of high pressure draughts acts on turbine, has better impetus to turbosupercharger; Drainage trough extends in the shape of a spiral, and two strands of high pressure draughts can advance along drainage trough spiral, strengthens the promotion effect to turbosupercharger further; Valve body is provided with power plant, and these power plant can actuate valve stem rotate, and by the setting of power plant, are conducive to the automatic control realizing engine braking.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described in detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation being vented butterfly valve in the utility model;
Fig. 3 is that the A of Fig. 2 is to structural representation;
Fig. 4 is the structural representation of turbosupercharger in the utility model.
Embodiment
With reference to accompanying drawing, this kind comprises control valve, turbosupercharger 1 for the device improving turbo-charged diesel braking force, control valve is provided with suction port, air outlet, the air outlet of control valve is communicated with the turbine chamber suction port of turbosupercharger 1, control valve is provided with the fluidic channel of leading to turbosupercharger 1 turbine chamber, and the other end of fluidic channel is connected with the suction port of control valve.In the present embodiment, control valve is exhaust butterfly valve 2, exhaust butterfly valve 2 comprises valve body 3, valve body 3 is provided with air-flow path 4, one end of air-flow path 4 is suction port, the other end of air-flow path 4 is air outlet, valve body 3 is rotatablely equipped with rotating valve rod 5, and the part that valve rod 5 is positioned at air-flow path 4 is connected with and can rotates with valve rod 5 thus control the butterfly plate 6 of air-flow path 4 break-make.Further, valve body 3 is provided with the power plant rotated for actuate valve stem 5, these power plant can adopt actuating motor or other known features.Fluidic channel comprises two jet flow groove 7 be located on valve body 3 inwall, one end of jet flow groove 7 is connected with the suction port place end of valve body 3, the other end of jet flow groove 7 is from place, the air outlet end pass-out of valve body 3, the turbine chamber inwall of turbosupercharger 1 is provided with corresponding with jet flow groove 7 and leads to two drainage troughs 8 at turbine place place, and the rotation axis of drainage trough 8 around turbine on the turbine chamber inwall of turbosupercharger 1 extends in the shape of a spiral.Except said structure, fluidic channel also can be the through hole (not shown) be opened on butterfly plate 6, can also be two half bore being opened in butterfly plate center portion and being positioned at valve rod 5 both sides certainly.
The exhaust suction port of butterfly valve 2 can be communicated with the outlet pipe of diesel engine during use, the turbine chamber air outlet of turbosupercharger 1 is connected with the final discharge conduit of waste gas, the pressurized machine suction port of turbosupercharger 1 is connected with air-strainer pipeline, the pressurized machine air outlet of turbosupercharger is connected with the suction tude of diesel engine, like this when engine braking modes is opened, exhaust butterfly valve 2 can cut out completely, now, the waste gas flowing through exhaust butterfly valve can through jet flow groove 7, the bypass flow channel ejection that drainage trough 8 is formed, also or from the through hole be opened in butterfly plate 6 spray, form high-speed jet turbine being had to impetus, so can not only form higher exhaust back pressure value in the outlet pipe side of diesel engine, turbosupercharger can also be made to work under high-speed jet effect, to improve the suction pressure of diesel engine, increase the drag effect of diesel engine compression stroke, thus realize the further raising of turbo-charged diesel braking force.
Claims (6)
1. one kind for improving the device of turbo-charged diesel braking force, comprise control valve, turbosupercharger (1), control valve is provided with suction port, air outlet, it is characterized in that the air outlet of described control valve is communicated with the turbine chamber suction port of turbosupercharger (1), control valve is provided with the fluidic channel of leading to turbosupercharger (1) turbine chamber, and the other end of fluidic channel is connected with the suction port of control valve.
2. the device for improving turbo-charged diesel braking force according to claim 1, it is characterized in that described control valve is for exhaust butterfly valve (2), exhaust butterfly valve (2) comprises valve body (3), valve body (3) is provided with air-flow path (4), one end of air-flow path (4) is suction port, the other end of air-flow path (4) is air outlet, valve body (3) is rotatablely equipped with rotating valve rod (5), the part that valve rod (5) is positioned at air-flow path (4) is connected with and can rotates with valve rod (5) thus control the butterfly plate (6) of air-flow path (4) break-make.
3. the device for improving turbo-charged diesel braking force according to claim 2, is characterized in that described fluidic channel is for being opened in the through hole on butterfly plate (6).
4. the device for improving turbo-charged diesel braking force according to claim 2, it is characterized in that described fluidic channel comprises two jet flow groove (7) be located on valve body (3) inwall, one end of jet flow groove (7) is connected with the suction port place end of valve body (3), the other end of jet flow groove (7) is from place, the air outlet end pass-out of valve body (3), and the turbine chamber inwall of turbosupercharger (1) is provided with corresponding with jet flow groove (7) and leads to two drainage troughs (8) at turbine place place.
5. the device for improving turbo-charged diesel braking force according to claim 4, is characterized in that described drainage trough (8) extends in the shape of a spiral around the rotation axis of turbine on the turbine chamber inwall of turbosupercharger (1).
6. the device for improving turbo-charged diesel braking force according to claim arbitrary in claim 1 to 5, is characterized in that described valve body (3) being provided with the power plant rotated for actuate valve stem (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585171.5U CN204941705U (en) | 2015-08-06 | 2015-08-06 | A kind of device for improving turbo-charged diesel braking force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585171.5U CN204941705U (en) | 2015-08-06 | 2015-08-06 | A kind of device for improving turbo-charged diesel braking force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941705U true CN204941705U (en) | 2016-01-06 |
Family
ID=55009144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520585171.5U Expired - Fee Related CN204941705U (en) | 2015-08-06 | 2015-08-06 | A kind of device for improving turbo-charged diesel braking force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204941705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351647A (en) * | 2017-07-13 | 2017-11-17 | 徐州徐工矿山机械有限公司 | Mining articulated truck loading space heater and mining articulated truck |
| CN110657036A (en) * | 2019-09-29 | 2020-01-07 | 潍柴动力股份有限公司 | Control method and device of supercharger |
-
2015
- 2015-08-06 CN CN201520585171.5U patent/CN204941705U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351647A (en) * | 2017-07-13 | 2017-11-17 | 徐州徐工矿山机械有限公司 | Mining articulated truck loading space heater and mining articulated truck |
| CN110657036A (en) * | 2019-09-29 | 2020-01-07 | 潍柴动力股份有限公司 | Control method and device of supercharger |
| CN110657036B (en) * | 2019-09-29 | 2022-04-05 | 潍柴动力股份有限公司 | Control method and device of supercharger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 |