CN205400948U - FSAE cycle racing chamber of admitting air - Google Patents
FSAE cycle racing chamber of admitting air Download PDFInfo
- Publication number
- CN205400948U CN205400948U CN201620180016.XU CN201620180016U CN205400948U CN 205400948 U CN205400948 U CN 205400948U CN 201620180016 U CN201620180016 U CN 201620180016U CN 205400948 U CN205400948 U CN 205400948U
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- Prior art keywords
- manifold
- pressure stabilizing
- stabilizing cavity
- air
- pipe
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- Expired - Fee Related
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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
The utility model discloses a FSAE cycle racing chamber of admitting air, including the intake pipe, the pressure stabilizing cavity, air intake manifold and manifold installation face, intake pipe one end is connected with the pressure stabilizing cavity, four mutual parallel arrangement's air intake manifold top is connected bottom the pressure stabilizing cavity, the bottom is connected with manifold installation face, manifold installation face is used for and the engine asseumbly, the intake pipe includes air throttle installation face, the compression pipe, restriction valve and anemostat, compression pipe one end is equipped with air throttle installation face, the other end is connected with restriction valve's one end, anemostat one end is connected with restriction valve's the other end, the anemostat other end is connected with the pressure stabilizing cavity, air throttle installation face is used for assembling with the air throttle. The utility model discloses a two air intake manifold's in the increase outside opening makes the air input more even, has compensatied to be located the not enough of two air intake manifold air inputs in the outside, reduce the production of the low -pressure area and the vortex of restriction valve and corner, reduced the induced drag of junction, restrain the emergence of each jar gas blowby phenomenon, also increased air intake manifold length simultaneously.
Description
Technical field
This utility model belongs to engine art, is specifically related to a kind of FSAE racing car inlet chamber.
Background technology
He Tongyang, He Shan, Li Jie, Xiao Guoquan, the Lei Xiong of South China Science & Engineering University proposes a kind of university students's FSAE racing engine gas handling system design.Set up engine mockup by AVL-BOOST herein to analyze, it is determined that suitable inlet manifold length resonant cavity volume.But pressure stabilizing cavity volume fixes on 3.8L so that throttle response somewhat has sluggishness.Intake manifold length is 310mm, and some is long, it is more difficult to meet the big tournament rules of existing FSAE.
The Zheng Yingjie of Chang An University, the not smoothgoing little flat one FSAE racing car gas handling system CAE that proposes emulates and optimizes design, uses GT-Power to be modeled analysis, adds vane.But pressure stabilizing cavity volume fixes on 2.2L, fail well to play the effect of voltage stabilizing, affect gas output.Pressure stabilizing cavity and manifold junction are plane, and resistance is very big.It is not solved by and the sealing problem of electromotor junction.
Summary of the invention
The purpose of this utility model is in that to provide a kind of FSAE racing car inlet chamber, makes the air inflow of four inlet manifold evenly, reduces the low-pressure area of flow-limiting valve and corner and the generation of eddy current, reduces the induced drag of junction, it is suppressed that the generation of each cylinder gas-blowing phenomenon.
The technical solution realizing this utility model purpose is: a kind of FSAE racing car inlet chamber, including air inlet pipe, pressure stabilizing cavity, inlet manifold and manifold installed surface, air inlet pipe one end is connected with pressure stabilizing cavity, four inlet manifold tops arranged in parallel are connected with bottom pressure stabilizing cavity, bottom is connected with manifold installed surface, manifold installed surface is used for and engine assembly, air inlet pipe includes air throttle installed surface, compressed pipe, flow-limiting valve and anemostat, compressed pipe one end is provided with air throttle installed surface, the other end is connected with one end of flow-limiting valve, anemostat one end is connected with the other end of flow-limiting valve, the anemostat other end is connected with pressure stabilizing cavity, air throttle installed surface is for assembling with air throttle.
Described inlet manifold includes the flaring pipe and the straight tube that are sequentially connected with, and flaring pipe heavy caliber end is connected with pressure stabilizing cavity, is positioned at two inlet manifold top diameters 8mm bigger than centrally located two inlet manifold top diameters in outside.
Described pressure stabilizing cavity volume is 3.4L, and two ends end face is arc surface outwardly.
The compression angle of described compressed pipe is 20 °, and described compression angle is the outside wall surface angle with its axis of compressed pipe.
The angle of flare of described anemostat is 7 °, and described angle of flare is the outside wall surface angle with its axis of anemostat.
Described flow-limiting valve length is 10mm.
Described inlet manifold flaring pipe heavy caliber end stretches into pressure stabilizing cavity, and the part stretching into pressure stabilizing cavity forms vane.
The junction inwall of all parts, has all done rounded corner process, and radius is 8mm.
A kind of FSAE racing car inlet chamber, also includes sealing ring, and sealing ring is arranged on bottom inlet manifold, and is positioned at manifold installed surface bottom surface, to strengthen the sealing effectiveness between FSAE racing car inlet chamber and electromotor sealing silica gel.
Compared with prior art, it has the great advantage that this utility model
(1) pressure stabilizing cavity two ends are no longer planes, but arc surface outwardly, in order to supplement the air inflow of two ends manifold, make four gas manifold inlet amounts more uniform.
(2) described inlet manifold includes the flaring pipe and the straight tube that are sequentially connected with, flaring pipe heavy caliber end is connected with pressure stabilizing cavity, it is positioned at two inlet manifold inlet diameters 8mm bigger than centrally located two inlet manifold inlet diameters in outside, makes up the deficiency of air of two inlet manifold being positioned at outside with this.
(3) optimizing the compression angle of compressed pipe and the angle of flare of anemostat, compression angle is 20 °, and angle of flare is 7 °.Extend flow-limiting valve length to 10mm simultaneously, decrease the low-pressure area at flow-limiting valve rear portion and the generation of eddy current.
(4) the junction inwall of all parts, has all done rounded corner process, farthest decreases the induced drag of junction.
(5) described inlet manifold flaring pipe heavy caliber end stretches into pressure stabilizing cavity, and the part stretching into pressure stabilizing cavity forms vane, it is suppressed that the generation of each cylinder gas-blowing phenomenon, also increases inlet manifold length simultaneously.
(6) pressure stabilizing cavity volume is 3.4L, not only ensure that gas output but also do not affect throttle response.
(7) it is provided with sealing ring, strengthens inlet chamber and electromotor seals the sealing effectiveness between silica gel.
Accompanying drawing explanation
Fig. 1 is the structural front view of utility model FSAE racing car inlet chamber.
Fig. 2 is the structural side view of utility model FSAE racing car inlet chamber.
Fig. 3 is the structural perspective of utility model FSAE racing car inlet chamber.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of FSAE racing car inlet chamber, including air inlet pipe, pressure stabilizing cavity 2, inlet manifold 3 and manifold installed surface 5, air inlet pipe one end is connected with pressure stabilizing cavity 2, four inlet manifold 3 tops arranged in parallel are connected with bottom pressure stabilizing cavity 2, bottom is connected with manifold installed surface 5, manifold installed surface 5 is used for and engine assembly, air inlet pipe includes air throttle installed surface 6, compressed pipe 7, flow-limiting valve 8 and anemostat 4, compressed pipe 7 one end is provided with air throttle installed surface 6, the other end is connected with one end of flow-limiting valve 8, anemostat 4 one end is connected with the other end of flow-limiting valve 8, anemostat 4 other end is connected with pressure stabilizing cavity 2, air throttle installed surface 6 is for assembling with air throttle.
Further, described inlet manifold 3 includes the flaring pipe and the straight tube that are sequentially connected with, the heavy caliber end of flaring pipe is connected with pressure stabilizing cavity 2, it is positioned at two inlet manifold 3 top end face diameters 8mm bigger than centrally located two inlet manifold 3 top end face diameters in outside, makes up the deficiency of air of two inlet manifold 3 being positioned at outside with this.
Further, described pressure stabilizing cavity 2 two ends end face is no longer plane, but arc surface outwardly, in order to supplement the air inflow of two inlet manifold 3 being positioned at outside, make four inlet manifold 3 air inflows more uniform.
Further, the compression angle of compressed pipe 7 is 20 °, and described compression angle is the outside wall surface angle with its axis of compressed pipe 7.
Further, the angle of flare of anemostat 4 is 7 °, and described angle of flare is the outside wall surface angle with its axis of anemostat 4.
Further, flow-limiting valve 8 length is 10mm, decreases the low-pressure area at flow-limiting valve 8 rear portion and the generation of eddy current.
Further, the junction inwall of all parts, all do rounded corner process, radius is 8mm, farthest decreases the induced drag of junction.
Pressure stabilizing cavity 2 volume is 3.4L, not only ensure that gas output but also do not affect throttle response.
Described inlet manifold 3 flaring pipe heavy caliber end stretches into pressure stabilizing cavity 2, and the part stretching into pressure stabilizing cavity 2 forms vane, it is suppressed that the generation of each cylinder gas-blowing phenomenon, also increases inlet manifold 3 length simultaneously.
A kind of FSAE racing car inlet chamber, also includes sealing ring 9, and sealing ring 9 is arranged on bottom inlet manifold 3, and is positioned at manifold installed surface 5 bottom surface (being and electromotor joint face), to strengthen the sealing effectiveness between FSAE racing car inlet chamber and electromotor sealing silica gel.
The material of FSAE racing car inlet chamber described in the utility model is ABS plastic, photosensitive resin or glass microballoon, can pass through 3D printing and making.
Workflow: the throttle body that extraneous air is installed from air throttle installed surface 6 enters the air inlet 1 of inlet chamber, the decompression of compressed pipe 7 is accelerated, and reaches the fastest at flow-limiting valve 8 place flow velocity, slows down supercharging, afterwards entrance pressure stabilizing cavity 2 voltage stabilizing subsequently into anemostat 4；Gas after voltage stabilizing is sucked into electromotor by inlet manifold 3.
Claims (9)
1. a FSAE racing car inlet chamber, including air inlet pipe, pressure stabilizing cavity (2), inlet manifold (3) and manifold installed surface (5), air inlet pipe one end is connected with pressure stabilizing cavity (2), four inlet manifold arranged in parallel (3) tops are connected with pressure stabilizing cavity (2) bottom, bottom is connected with manifold installed surface (5), manifold installed surface (5) is used for and engine assembly, it is characterized in that: air inlet pipe includes air throttle installed surface (6), compressed pipe (7), flow-limiting valve (8) and anemostat (4), compressed pipe (7) one end is provided with air throttle installed surface (6), the other end is connected with the one end of flow-limiting valve (8), anemostat (4) one end is connected with the other end of flow-limiting valve (8), anemostat (4) other end is connected with pressure stabilizing cavity (2), air throttle installed surface (6) is for assembling with air throttle.
2. FSAE racing car inlet chamber according to claim 1, it is characterized in that: described inlet manifold (3) includes the flaring pipe and the straight tube that are sequentially connected with, flaring pipe heavy caliber end is connected with pressure stabilizing cavity (2), is positioned at two inlet manifold (3) top diameters 8mm bigger than centrally located two inlet manifold (3) top diameters in outside.
3. FSAE racing car inlet chamber according to claim 1, it is characterised in that: described pressure stabilizing cavity (2) volume is 3.4L, and two ends end face is arc surface outwardly.
4. FSAE racing car inlet chamber according to claim 1, it is characterised in that: the compression angle of described compressed pipe (7) is 20 °, and described compression angle is the outside wall surface angle with its axis of compressed pipe (7).
5. FSAE racing car inlet chamber according to claim 1, it is characterised in that: the angle of flare of described anemostat (4) is 7 °, and described angle of flare is the outside wall surface angle with its axis of anemostat (4).
6. FSAE racing car inlet chamber according to claim 1, it is characterised in that: described flow-limiting valve (8) length is 10mm.
7. FSAE racing car inlet chamber according to claim 1, it is characterised in that: described inlet manifold (3) flaring pipe heavy caliber end stretches into pressure stabilizing cavity (2), and the part stretching into pressure stabilizing cavity (2) forms vane.
8. FSAE racing car inlet chamber according to claim 1, it is characterised in that: the junction inwall of all parts, all do rounded corner process, rounded corner radius is 8mm.
9. FSAE racing car inlet chamber according to claim 1, it is characterized in that: also include sealing ring (9), sealing ring (9) is arranged on inlet manifold (3) bottom, and is positioned at manifold installed surface (5) bottom surface, to strengthen the sealing effectiveness between FSAE racing car inlet chamber and electromotor sealing silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180016.XU CN205400948U (en) | 2016-03-10 | 2016-03-10 | FSAE cycle racing chamber of admitting air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180016.XU CN205400948U (en) | 2016-03-10 | 2016-03-10 | FSAE cycle racing chamber of admitting air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205400948U true CN205400948U (en) | 2016-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620180016.XU Expired - Fee Related CN205400948U (en) | 2016-03-10 | 2016-03-10 | FSAE cycle racing chamber of admitting air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205400948U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626331A (en) * | 2016-03-10 | 2016-06-01 | 南京理工大学 | Air inlet cavity of FSAE racing car |
| CN110939535A (en) * | 2019-12-26 | 2020-03-31 | 华侨大学 | Combined type engine air inlet pressure stabilizing cabin |
| CN111911323A (en) * | 2020-06-28 | 2020-11-10 | 东南大学 | Diversion air inlet mechanism suitable for FSC (formula free gas) event requirements |
-
2016
- 2016-03-10 CN CN201620180016.XU patent/CN205400948U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626331A (en) * | 2016-03-10 | 2016-06-01 | 南京理工大学 | Air inlet cavity of FSAE racing car |
| CN110939535A (en) * | 2019-12-26 | 2020-03-31 | 华侨大学 | Combined type engine air inlet pressure stabilizing cabin |
| CN111911323A (en) * | 2020-06-28 | 2020-11-10 | 东南大学 | Diversion air inlet mechanism suitable for FSC (formula free gas) event requirements |
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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: 20160727 Termination date: 20190310 |