CN208718784U - Turbo charging installation - Google Patents
Turbo charging installation Download PDFInfo
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- CN208718784U CN208718784U CN201821468935.2U CN201821468935U CN208718784U CN 208718784 U CN208718784 U CN 208718784U CN 201821468935 U CN201821468935 U CN 201821468935U CN 208718784 U CN208718784 U CN 208718784U
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- turbine
- gas nozzle
- gas
- air
- charging installation
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- 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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Abstract
A kind of turbo charging installation, including turbine shroud, turbine and shaft；Turbine is arranged in turbine shroud and is fixedly connected with shaft；The air flue for being connected to and being looped around with turbine around turbine is provided in turbine shroud, air flue is communicated with exhaust gas inlet and waste gas outlet；The gas nozzle being connected to air flue is equipped on turbine shroud, gas nozzle is connected with gas source；The axis of gas nozzle is acute angle along its airintake direction and gas nozzle outlet side to the angle between the line at turbine center；The air-flow ejected from gas nozzle can provide additional air pressure for the inlet valve and piston of engine in the state of engine idling to eliminate negative pressure, so that machine oil will not enter in cylinder, while keep the machine oil burning into combustion chamber abundant, lack the generation of carbon distribution；To weaken the abrasion of cylinder, negative pressure adverse effect is eliminated；Meanwhile the air-flow being passed through can cool down to turbine, to reduce the friction between turbine expanded by heating and wheel shaft.
Description
Technical field
The utility model relates to engine accessory technical fields, specifically, it is related to a kind of turbo charging installation.
Background technique
Turbocharger is a kind of common vehicular engine auxiliary air intake device, it is especially useful in heavy truck.Turbine increases
Depressor increases the air inflow of engine by compressed air similar to air compressor.It is the exhaust gas using engine discharge
Inertia impulsive force pushes the indoor turbine of turbine, and turbine drives coaxial impeller again, impeller force feed is sent by air cleaner pipeline
The air come is allowed to pressurization and enters cylinder.When engine speed increases, the also synchronous increase of the exhaust gas velocity of discharge and secondary speed,
Impeller just compresses more air and enters cylinder, and the pressure of air increases more fuel that can burn, increase accordingly fuel quantity
With adjustment engine revolving speed, to increase the output power of engine.Because the function of turbocharger consumption is turbine from useless
The part energy recycled in gas, can not only increase the power of engine, but also its thermal efficiency can be improved, and reduce fuel oil
Consumption rate.
Such as Authorization Notice No. is a kind of automobile-used turbine increasing disclosed in the Chinese utility model patent of CN202417608U
Depressor, including turbine, compressor, intermediate.Turbine includes turbine case, turbine, turbine wheel shaft, blade, and compressor includes pressure
Mechanism of qi shell, impeller, turbine case and compressor casing are connected by intermediate, turbine wheel shaft are equipped in intermediate, and before turbine wheel shaft
End is located in turbine case, and turbine the tip of the axis is located in compressor casing, and turbine is fixedly arranged on the front end of turbine wheel shaft, is installed on turbine
Several blades, impeller are installed in turbine the tip of the axis, and several blades being installed on turbine are planar vertical with turbine fix
Connection, turbine are in radial-flow type structure.
Above-mentioned vehicle turbocharger can reduce resistance of the exhaust gas of engine in turbine case runner, increase gas
Circulation increases the power being injected on turbine blade, to improve the output power of turbocharger.But starting
In the state of machine idling, especially for heavy truck, the inlet valve of engine and the negative pressure of piston are bigger, will cause machine oil
Into in cylinder, and the indoor machine oil burning of burning is insufficient；To be easy to cause carbon distribution, aggravate cylinder
Abrasion.
Utility model content
In view of the deficienciess of the prior art, having the purpose of this utility model is to provide a kind of turbo charging installation
The characteristics of mitigating abrasion of engine cylinder.
To achieve the above object, the utility model provides the following technical solutions:
A kind of turbo charging installation, including turbine shroud, turbine and shaft；The turbine is arranged in the turbine shroud
And it is fixedly connected with the shaft；It is provided in the turbine shroud and is connected to and is looped around around the turbine with the turbine
Air flue, the air flue is communicated with exhaust gas inlet and waste gas outlet；It is equipped on the turbine shroud and is connected to the air flue
Gas nozzle, the gas nozzle is connected with gas source；Minimum range between the outlet side of the gas nozzle and the turbine is 1mm, described
The axis of gas nozzle is acute angle along its airintake direction and the gas nozzle outlet side to the angle between the line at the turbine center.
So set, the air flue around setting enables the exhaust gas entered from exhaust gas inlet to generate annular in air flue
Air-flow, to drive turbine rotation；By tilting insertion gas nozzle in turbine shroud, the air-flow ejected from gas nozzle can be turbine
Rotation additional power is provided；Simultaneously in the state of engine idling, volume is provided for the inlet valve and piston of engine
Outer air pressure is to eliminate negative pressure, so that machine oil will not enter in cylinder, while keep the machine oil burning into combustion chamber abundant, it is few
The generation of carbon distribution；To weaken the abrasion of cylinder, negative pressure adverse effect is eliminated；Meanwhile the air-flow being passed through can be right
Turbine cools down, to reduce the friction between turbine expanded by heating and wheel shaft.
Further setting: the angle is between 60 ° -70 °.
So set, by the inclination angle of control gas nozzle, so that the air-flow for enabling gas nozzle to spray more preferably efficiently acts on
Turbine；And excessive inclination angle is easy the impetus even generation resistance or the disorder off-gas flows that weaken air-flow to turbine, makes gas
Mouth failure.
Further setting: the angle is 65 °.
So set, being accurately controlled by the inclination angle to gas nozzle, thus the air-flow highest for enabling gas nozzle to spray
Act on turbine to effect.
Further setting: the end slope setting of the outlet side of the gas nozzle, and the cutting at outlet side with the turbine
Line is parallel.
So set, being conducive to gas nozzle by the way that the sloped-end of gas nozzle to be arranged and reaching whirlpool close to turbine to reduce air-flow
The stroke of wheel allows the flow to more intensively act on turbine；It avoids colliding with turbine outermost end simultaneously.
Further setting: the internal diameter of the gas nozzle is between 4.5mm-5mm.
So set, by the internal diameter of control gas nozzle to make the jet velocity of air-flow be in relatively reasonable range.
Further setting: the gas nozzle is located at its exhaust gas stroke larger part between the exhaust gas inlet, and the gas nozzle
Airintake direction and the exhaust gas inlet airintake direction angle between 40 ° -60 °.
So set, remotely, can be avoided air-flow away from exhaust gas inlet stroke and having just enter into air flue gas nozzle setting
Exhaust gas upsets the flow direction of original exhaust gas in mixing, to guarantee that original exhaust gas is unaffected to the impetus of turbine.
Further setting: offering mounting hole on the turbine shroud, and the hole wall of the mounting hole is provided with internal screw thread,
Mounting hole described in the gas nozzle grafting is provided with the external screw thread being adapted to the internal screw thread on the periphery wall of the gas nozzle.
So set, realizing the installation of gas nozzle by the way that gas nozzle to be inserted into mounting hole and screw, and guarantee to have preferable
Air-tightness.
Further setting: it is located at the part outside the turbine shroud in the gas nozzle and is fixedly installed rotation stop piece, described
Rotation stop on piece offers via hole, and threaded hole is offered in the turbine case, and the threaded hole is connected with across the via hole
Rotation stopping screw, the end of the rotation stopping screw is pushed against the rotation stop on piece.
So set, can be avoided gas nozzle in the operating condition because vibration is being pacified by adding rotation stop piece and rotation stopping screw
Dress rotates in hole, to prevent inclined outlet side and turbine from bumping against, improves stability and safety when gas nozzle work,
Guarantee that the position of outlet side after gas nozzle is installed is accurate simultaneously.
Further setting: the gas source includes passing sequentially through tracheae connected pressure switch, air accumulator and solenoid valve；It is described
Pressure switch is connected on the compression gas tank of vehicle gas brake device by tracheae, and the compression gas tank connects air compressor machine；The electricity
Magnet valve is connected on the gas nozzle by tracheae.
So set, air accumulator play the role of to the compressed air separated from compression gas tank it is temporary, and in pressure switch
It is maintained at air accumulator air pressure inside in relatively stable range；Avoid compression gas tank by excessive compressed air simultaneously
Lead to its own air pressure reduction in input air accumulator, influences the movement of gas brake.
In conclusion the utility model has the following beneficial effects:
It is the inlet valve of engine 1. the compressed air sprayed from gas nozzle can provide additional power for the rotation of turbine
Additional air pressure is provided to eliminate negative pressure with piston, so that machine oil will not enter in cylinder, while making the machine into combustion chamber
Oil firing is abundant, has lacked the generation of carbon distribution；To weaken the abrasion of cylinder, negative pressure adverse effect is eliminated；It mentions simultaneously
The starting torque for rising engine, enables engine to start under lower revolving speed, reduces oil consumption, improve heavy truck
Engine performance；
2. the air-flow being passed through from gas nozzle can cool down to turbine, reduce between turbine expanded by heating and wheel shaft
Friction, to reduce turbine rotation resistance；Air-flow reduces exhaust gas temperature simultaneously, reduces exhaust gas thermal expansion to a certain extent
Influence to silencer keeps gas discharge more smooth；
3. the air-flow punching being passed through from gas nozzle reduces the concentration of exhaust gas, is conducive to exhaust gas and enters after silencer and inside it
Urea reaction, keep waste gas purification more abundant, while saving amount of urea.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of turbo charging installation；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the cross-sectional view of turbo charging installation；
Fig. 4 is the partial sectional view of turbo charging installation；
Fig. 5 is the enlarged drawing in Fig. 4 at B；
Fig. 6 is the connection schematic diagram of turbo charging installation and vehicle motor gas circuit.
In figure: 1, turbine shroud；2, turbine；3, shaft；4, air flue；5, exhaust gas inlet；6, waste gas outlet；7, gas nozzle；8,
Gas source；801, pressure switch；802, air accumulator；803, solenoid valve；9, mounting hole；10, internal screw thread；11, external screw thread；12, rotation stop
Piece；13, via hole；14, threaded hole；15, rotation stopping screw；16, compression gas tank；17, air compressor machine；18, compressor housing；19, impeller；
20, exhaust pipe；21, exhaust gas cleaner；22, discharge tube；23, cylinder.
Specific embodiment
The utility model is described further referring to attached drawing.
A kind of turbo charging installation, as shown in figures 1 and 3, including turbine shroud 1, turbine 2, compressor housing 18, impeller
19 and shaft 3.Wherein, turbine shroud 1 is connected with 19 shell of impeller, and turbine 2 and impeller 19 are separately positioned on turbine shroud 1 and leaf
It takes turns in 19 shells, and turbine 2 and impeller 19 are fixedly connected with the transmission to realize the two with shaft 3.
Specifically, in conjunction with Fig. 1, Fig. 4 and Fig. 6, the air flue for being connected to turbine 2, being arranged in a ring is provided in turbine shroud 1
4, the side setting exhaust gas inlet 5 of air flue 4 is connected to the exhaust pipe 20 of the cylinder 23 of vehicle, on turbine shroud 1
It offers coaxial with turbine 2 and is connected to air flue 4, rounded waste gas outlet 6；The tail gas clean-up of waste gas outlet 6 and vehicle fills
It sets 21 to be connected to by discharge tube 22, the internal diameter of waste gas outlet 6 is slightly larger than 2 maximum gauge of turbine.The cross section of air flue 4 is substantially in
V-type setting, both ends outward gradually big and end with arc transition.The gas nozzle 7 being connected to air flue 4 is equipped on 2 shell of turbine,
Gas nozzle 7 is communicated with gas source 8 for providing extra power for turbine 2.
Specifically, in conjunction with Fig. 2 and Fig. 5, mounting hole 9, interposition of the mounting hole 9 from air flue 4 are offered on turbine shroud 1
Set across.The hole wall of mounting hole 9 is provided with internal screw thread 10 from outside to inside, be provided on 7 grafting mounting hole 9 of gas nozzle and periphery wall with
The external screw thread 11 that internal screw thread 10 is adapted to.One end that gas nozzle 7 stretches out 2 shell of turbine is arranged in 90 ° of corner.To guarantee 7 energy of gas nozzle
It is enough tightened in mounting hole 9, is located at the part outside turbine shroud 1 by being welded with rotation stop piece 12, rotation stop piece 12 in gas nozzle 7
One end far from gas nozzle 7 offers via hole 13, threaded hole 14 is offered on 2 shell of turbine, threaded hole 14 is connected with across mistake
The rotation stopping screw 15 in hole 13, the end of rotation stopping screw 15 are pushed against on rotation stop piece 12.
More specifically, gas nozzle 7 is located at its exhaust gas stroke larger part between exhaust gas inlet 5, and gas nozzle in conjunction with Fig. 4 and Fig. 5
The angle of 7 airintake direction and the airintake direction of exhaust gas inlet 5 is between 40 ° -60 °.Between the outlet side and turbine 2 of gas nozzle 7
Minimum range be 1mm, and preferentially select 1mm.In order to make gas nozzle 7 as close possible to turbine 2, the end slope of outlet side is set
It sets, and parallel with the tangent line of turbine 2 of 2 line of centres of turbine with 7 outlet side of gas nozzle is crossed.Meanwhile the axis of gas nozzle 7 is along its air inlet
Direction and 7 outlet side of gas nozzle are acute angle to angle between the line at 2 center of turbine, and angular range is between 60 ° -70 ° and preferential
65 ° of selection.The internal diameter of gas nozzle 7 controls between 4.5mm-5mm.
In conjunction with Fig. 6, the gas source 8 of gas nozzle 7 includes passing sequentially through tracheae connected pressure switch 801, air accumulator 802 and electromagnetism
Valve 803；Pressure switch 801 is connected on the compression gas tank 16 of vehicle gas brake device by tracheae, and compression gas tank 16 connects pneumatics
Machine 17；Solenoid valve 803 is connected on gas nozzle 7 by tracheae.Wherein, compression gas tank 16 will pressure under the control of pressure switch 801
Contracting air is passed through air accumulator 802 and is maintained at the air pressure in air accumulator 802 between 0.6MPa-0.8MPa.
Working principle: after vehicle launch, the exhaust gas that cylinder 23 generates is passed through the exhaust gas inlet of turbo charging installation
5, the exhaust gas into air flue 4 drives turbine 2 to rotate；Turbine 2 is rotated further through 3 impeller 19 of shaft, thus by compressed air
It is sent into cylinder 23.At the same time, solenoid valve 803 is opened, and the compressed air in air accumulator 802 is sprayed after entering gas nozzle 7
Out, additional power is provided for the rotation of turbine 2.To provide additional air pressure for the inlet valve and piston of engine, improve
The engine performance of vehicle especially heavy truck.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of turbo charging installation, including turbine shroud (1), turbine (2) and shaft (3)；The turbine (2) is arranged described
It is fixedly connected in turbine shroud (1) and with the shaft (3)；It is provided in the turbine shroud (1) with the turbine (2) even
Air flue (4) that is logical and being looped around around the turbine (2), the air flue (4) are communicated with exhaust gas inlet (5) and waste gas outlet (6)；
It is characterized by: being equipped with the gas nozzle (7) being connected to the air flue (4) on the turbine shroud (1), the gas nozzle (7) is even
It is connected to gas source (8)；Minimum range between the outlet side and the turbine (2) of the gas nozzle (7) is 1mm, the gas nozzle (7)
Axis is acute angle along its airintake direction and the gas nozzle (7) outlet side to the angle between the line at the turbine (2) center.
2. turbo charging installation according to claim 1, it is characterised in that: the angle is between 60 ° -70 °.
3. turbo charging installation according to claim 2, it is characterised in that: the angle is 65 °.
4. turbo charging installation according to claim 1, it is characterised in that: incline the end face of the outlet side of the gas nozzle (7)
Tiltedly setting, and it is parallel with tangent line of the turbine (2) at outlet side.
5. turbo charging installation according to claim 1, it is characterised in that: the internal diameter of the gas nozzle (7) is in 4.5mm-5mm
Between.
6. turbo charging installation according to claim 2, it is characterised in that: the gas nozzle (7) is located at itself and the exhaust gas
Exhaust gas stroke larger part between import (5), and the airintake direction of the airintake direction of the gas nozzle (7) and the exhaust gas inlet (5)
Angle between 40 ° -60 °.
7. turbo charging installation according to claim 1, it is characterised in that: offer peace on the turbine shroud (1)
It fills hole (9), the hole wall of the mounting hole (9) is provided with internal screw thread (10), and mounting hole (9) described in gas nozzle (7) grafting is described
The external screw thread (11) being adapted to the internal screw thread (10) is provided on the periphery wall of gas nozzle (7).
8. turbo charging installation according to claim 7, it is characterised in that: be located at the turbine case in the gas nozzle (7)
The part of body (1) outside is fixedly installed rotation stop piece (12), via hole (13) is offered on the rotation stop piece (12), in the turbine
(2) it being offered on shell threaded hole (14), the threaded hole (14) is connected with the rotation stopping screw (15) across the via hole (13),
The end of the rotation stopping screw (15) is pushed against on the rotation stop piece (12).
9. turbo charging installation according to claim 1, it is characterised in that: the gas source (8) includes passing sequentially through tracheae
Connected pressure switch (801), air accumulator (802) and solenoid valve (803)；The pressure switch (801) is connected to by tracheae
On the compression gas tank (16) of vehicle gas brake device, the compression gas tank (16) connects air compressor machine (17)；The solenoid valve (803) is logical
Tracheae is crossed to be connected on the gas nozzle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468935.2U CN208718784U (en) | 2018-09-07 | 2018-09-07 | Turbo charging installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468935.2U CN208718784U (en) | 2018-09-07 | 2018-09-07 | Turbo charging installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208718784U true CN208718784U (en) | 2019-04-09 |
Family
ID=65981480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821468935.2U Active CN208718784U (en) | 2018-09-07 | 2018-09-07 | Turbo charging installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208718784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979844A (en) * | 2018-09-07 | 2018-12-11 | 厦门锡恩重卡科技有限公司 | Turbo charging installation and its application method |
-
2018
- 2018-09-07 CN CN201821468935.2U patent/CN208718784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979844A (en) * | 2018-09-07 | 2018-12-11 | 厦门锡恩重卡科技有限公司 | Turbo charging installation and its application method |
| CN108979844B (en) * | 2018-09-07 | 2024-04-19 | 厦门锡恩重卡科技有限公司 | Turbocharger device and method of using the same |
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