CN208982174U - Electronic air throttle body - Google Patents
Electronic air throttle body Download PDFInfo
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- CN208982174U CN208982174U CN201821773977.7U CN201821773977U CN208982174U CN 208982174 U CN208982174 U CN 208982174U CN 201821773977 U CN201821773977 U CN 201821773977U CN 208982174 U CN208982174 U CN 208982174U
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- air throttle
- valve block
- throttle valve
- heating wire
- electronic air
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Abstract
The utility model provides a kind of electronic air throttle body, belongs to auto Body Technology field.It is easy to cause the higher oil consumption of engine and fuel-oil waste-gas to discharge when solving existing electronic air throttle body low-temperature working the technical issues of.This electronic air throttle body includes throttle valve body and heating wire, cavity is provided on throttle valve body, air throttle valve block is equipped in cavity, it is characterized in that, the quantity of air throttle valve block is at least two panels, each throttler valve on piece is provided with heating wire, and electronic air throttle body further includes the linkage driving mechanism being connected with each air throttle valve block, and each air throttle valve block is driven to rotate synchronously for linkage driving mechanism so that adjacent throttler valve piece opens and closes.The utility model improves the heat exchanger effectiveness of electronic air throttle body air inlet, reduces the fuel-oil waste-gas discharge of oil consumption when engine low temperature operation by the way that multiple choke valves are arranged and heating wire is arranged on each choke valve.
Description
Technical field
The utility model belongs to auto Body Technology field, and in particular to a kind of electronic air throttle body.
Background technique
Electronic air throttle body is in automotive electronic control system control system for forming a key portion of its gas handling system
Part mainly includes throttle valve body, air throttle valve block and shaft.The function of electronic air throttle body is by air throttle valve block
The angle position signal of throttle plate pin is fed back to electronic control unit to control engine air air inflow by rotational angle, to protect
Throttle body aperture needed for hindering engine work.When automobile starts at low temperature, at the valve block of electronic air throttle body
It is easy to appear icing phenomena, automobile is caused not start normally.Existing electronic air throttle body generallys use engine cool circulation
Water heats throttle valve body, however when starting automobile under low temperature for the first time, the water temperature of cooling circulating water is also very low, is unfavorable for
Quick start engine.
In order to solve this problem, China's Patent Application Publication (notification number: discloses one kind in 200910260929.7)
Throttle body, including throttle body shell, air throttle and electric heating circuit, wherein electric heating circuit include water temperature sensor,
ECU, relay, power supply and electric resistance, electric resistance are set to inside air throttle, when ECU is detected by water temperature sensor
When low to environment temperature, ECU controls relay and is attracted, control electric heating circuit conducting.Using electric heating is arranged inside air throttle
Resistance realizes the heating of throttle body by the electric heating of electric resistance, to improve the starting rate of engine.
Although the technical solution realizes the quick start of engine at low temperature, there is problems: working as hair
When motivation is run at low temperature, to ensure that the evaporation rate of fuel oil is fuel oil normal combustion, usually increase when fuel evaporation is slower
Add fuel concentration, i.e. increase oil spout number, but more oil spouts are easy to cause the exhaust gas (such as CO, THC, PM) of oil consumption height and fuel oil to arrange
Height is put, although heat exchange is carried out by the fresh air of the throttle body of heating and entrance in the technical solution, to a certain degree
On improve the evaporation rate of fuel oil, however electric resistance is installed on the lower part of valve block, be unfavorable for the uniform of valve block and valve body plus
Heat, and the gas entered mainly passes through the heat exchange between valve block and realizes heating, and the opening and closing degree of existing valve block is to gas
Heating rate influences greatly, these are unfavorable for improving the heat exchanger effectiveness between gas and throttle body, influences engine consumption
With further decreasing for fuel-oil waste-gas discharge.
Summary of the invention
The utility model aiming at the above problems existing in the prior art, provides a kind of electronic air throttle body, this is practical new
Type the technical problem to be solved is that: how to improve the heat exchanger effectiveness between gas and throttle body.
The purpose of this utility model can be realized by the following technical scheme:
A kind of electronic air throttle body, including throttle valve body and heating wire are provided with cavity on the throttle valve body, institute
It states and is equipped with air throttle valve block in cavity, which is characterized in that the quantity of the air throttle valve block is at least two panels, each solar term
Gate valve on piece is provided with the heating wire, and the electronic air throttle body further includes the linkage driving being connected with each air throttle valve block
Mechanism, each air throttle valve block is driven to rotate synchronously for the linkage driving mechanism so that adjacent throttler valve piece opens and closes.
It is respectively provided with by the way that the valve block of at least two panels or more is arranged in the cavity of throttle valve body, while on each valve block
There is heating wire, not only increase the quantity of heating wire, is conducive to improve valve block electric heating uniformity and gas and throttle body
Between heat exchanger effectiveness, and by linkage driving mechanism drive valve block rotate synchronously control valve block opening and closing degree, make sky
Intracavitary valve block is opened simultaneously or is closed, the monolithic valve mechanism being arranged in hollow cavity compared with the prior art, each valve of this patent
Door effectively increases the contact area between gas and valve block when opening, to improve between gas and electronic air throttle body
Heat exchanger effectiveness reduces oil consumption when engine low temperature operation and fuel-oil waste-gas row to improve the evaporation rate of fuel oil
It puts.
In above-mentioned electronic air throttle body, each throttler valve on piece is equipped with throttle plate pin, the throttler valve
Piece is hinged on the throttle valve body by the throttle plate pin, and the two sides of throttle plate pin described in the throttler valve on piece are equal
It is provided with the heating wire.Heating wire is respectively set by the two sides of the throttle plate pin on each valve block, increases setting for heating wire
Quantity is set, the heat exchanger effectiveness between the electric heating uniformity and gas and electronic air throttle body of valve block is further improved.
In above-mentioned electronic air throttle body, the linkage driving mechanism drives each air throttle valve block to rotate synchronously to each phase
When adjacent air throttle valve block abuts each other, there are overlapping regions between the adjacent air throttle valve block, and the overlapping region is located at
Between two adjacent throttle plate pins.When i.e. each air throttle is closed, there is the overlapping region abutted each other, co-occurrence in the air throttle that is connected
There is the structure of monolithic valve block in technology to compare, increase the surface area of valve block, to increase heating surface (area) (HS and gas and valve
Contact area between door, to improve the heat exchanger effectiveness between gas and electronic air throttle body, while overlapping region is not
More than throttle plate pin, fitting closely when convenient for each valve block closure, to ensure the tight closure of electronic air throttle body.
In above-mentioned electronic air throttle body, the electronic air throttle body further includes insulating sheath, the throttle valve body
It is equipped with the through-hole being connected to the cavity, insulating sheath is provided in the through-hole, the upper end of the throttle plate pin passes through institute
State insulating sheath.The setting of insulating sheath can ensure the electrical isolation between the same valve block of throttle valve body, valve shaft.
In above-mentioned electronic air throttle body, the heating wire is set in the air throttle valve block in bending.Electric heating
Silk is set in valve block, is conducive to the rate of heat addition for improving valve block, while heating wire is in bending, extends heating wire in valve block
Length, be conducive to the rate of heat addition and heating uniformity that improve valve block, to be conducive to improve gas and electronic air throttle body
Between heat exchanger effectiveness.
In above-mentioned electronic air throttle body, the cavity is rectangular enclosure, and the air throttle valve block is in rectangular tab
Shape.Circular cavity and round valve block, the setting of rectangular enclosure and rectangle valve block compared to the prior art closes convenient for multi-disc valve block
Cavity is formed when conjunction and is sealed.
Compared with prior art, the utility model have the advantage that by be arranged in the cavity of throttle valve body to
Valve block more than few two panels, while it being provided with heating wire on each valve block, the quantity of heating wire is not only increased, is improved
Valve block electric heating uniformity and to heat exchanger effectiveness between gas and electronic air throttle body, and pass through linkage driving machine
Structure drives valve block to rotate synchronously the opening and closing degree of control valve block, opens while realizing valve block in cavity, gas and valve can be improved
Contact area between piece reduces engine low temperature fortune to improve the heat exchanger effectiveness between gas and electronic air throttle body
Oil consumption and fuel-oil waste-gas discharge when row.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model embodiment one.
Fig. 2 is the top view of the utility model embodiment one.
Fig. 3 is the cross-sectional view of the line A-A along Fig. 2.
In figure, 1, throttle valve body；11, cavity；2, heating wire；3, air throttle valve block；4, linkage driving mechanism；5, solar term
Door-hinge；6, insulating sheath.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Figure 1 to Figure 3, the utility model embodiment include throttle valve body 1, linkage driving mechanism 4, heating wire 2,
Insulating sheath 6, admission pressure temperature sensor and the power governor for connecting heating wire 2.Linkage driving mechanism 4, air inlet pressure
Power temperature sensor is connected with the same control unit of engine (abbreviation ECU) of power governor.Square is provided on throttle valve body 1
Shape cavity 11, rectangular enclosure 11 is interior to be equipped with the air throttle valve block 3 that three pieces are in rectangular sheet, and three pieces air throttle valve block 3 is linear
Arrangement, each air throttle valve block 3 are equipped with throttle plate pin 5, and air throttle valve block 3 is hinged on throttle valve body 1 by throttle plate pin 5
On.Linkage driving mechanism 4 is set to the lower section of square cavity, and the lower end of three pieces air throttle valve block 3 both passes through under rectangular cavities
Side chamber wall is simultaneously connected with linkage driving mechanism 4, and linkage driving mechanism 4 drives each air throttle valve block 3 to rotate synchronously so that adjacent segments
Valve valve block 3 opens and closes, to realize the control of the opening of air throttle valve block 3, closing and opening degree.
Specifically, linkage driving mechanism (4) includes motor, rack gear and driven gear, and the end of every throttle plate pin (5) is equal
Equipped with driven gear, each driven gear is engaged with rack, and driving gear, driving gear and tooth are provided on the output shaft of motor
Item engagement, driving gear rotation band carry-over bar translates when motor rotates, at this time each gear synchronous rotation, to realize throttle plate pin
(5) synchronous rotary.
Heating wire 2 is provided on each air throttle valve block 3.Specifically, heating wire 2 is set to throttler valve in bending
In piece 3, the two sides of throttle plate pin 5 are provided with heating wire 2 on air throttle valve block 3.
When linkage driving mechanism 4 drives each synchronous rotation of air throttle valve block 3 to abut each other to each adjacent throttler valve piece 3,
There are overlapping regions between adjacent throttler valve piece 3, and overlapping region is between two adjacent throttle plate pins 5.
Throttle valve body 1 is equipped with the through-hole being connected to cavity 11, is provided with insulating sheath 6 in through-hole, throttle plate pin 5
Upper end passes through insulating sheath 6, at the same the upper end of heating wire 2 pass through through-hole and be located in 5 upper end of throttle plate pin and insulating sheath 6 it
Between.2 upper end of heating wire is located between 5 upper end of throttle plate pin and insulating sheath 6, the installation stability of heating wire 2 can be improved.
When engine normal-temperature starts or works, the present embodiment is the same with common throttle body, can use cooling circulating water
It is heated, the present embodiment is made to carry out heat exchange with the fresh air entered, promote the evaporation of gasoline, gasoline and air are sufficiently mixed
It closes, the full combustion in cylinder, output power.
When engine low-temperature starting-up or work, ECU receives the temperature value of admission pressure temperature sensor detection, control
Power governor processed realizes the heating of heating wire 2, while controlling the folding of the rotation adjustment air throttle valve block 3 of linkage driving mechanism 4
Degree, air throttle valve block 3 and throttle plate pin 5 sufficiently heat, and heat exchange are carried out with the cold air of entrance, due to cold air and solar term
Contact area is big between gate valve door, and heat exchange is more abundant, and gasoline evaporation rate is fast, advantageously reduces cold-starting oil consumption and fuel oil
Exhaust gas discharge.
When the engine is not operating, the also controllable power governor of ECU heats heating wire 2, to clear up throttler valve
Carbon distribution on piece 3 and throttle plate pin 5 realizes the self-cleaning function of the present embodiment.
Embodiment two
The technical solution of the present embodiment and the technical solution of embodiment one are essentially identical, and distinctive points are, the present embodiment
Linkage driving mechanism (4) include controller and three driving motors, each throttle plate pin (5) same driving motor phase respectively
Connection, each driving motor are all connected with controller, and controller drives each driving motor to rotate synchronously, to realize throttle plate pin (5)
Synchronous rotary.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 1, throttle valve body is used more herein；11, cavity；2, heating wire；3, air throttle valve block；4, it links
Driving mechanism；5, throttle plate pin；6, the terms such as insulating sheath, but it does not exclude the possibility of using other terms.Use these
Term is used for the purpose of being more convenient to describe and explain the essence of the utility model；It is construed as any additional limit
System is all contrary to the spirit of the present invention.
Claims (6)
1. a kind of electronic air throttle body, including throttle valve body (1) and heating wire (2), it is provided on the throttle valve body (1)
Cavity (11), the cavity (11) is interior to be equipped with air throttle valve block (3), which is characterized in that the quantity of the air throttle valve block (3) is extremely
Less it is two panels, is provided with the heating wire (2) on each air throttle valve block (3), the electronic air throttle body further includes
With the linkage driving mechanism (4) that each air throttle valve block (3) is connected, the linkage driving mechanism (4) drives each air throttle valve block (3)
It rotates synchronously so that adjacent throttler valve piece (3) opens and closes.
2. electronic air throttle body according to claim 1, which is characterized in that each air throttle valve block (3) is equipped with
Throttle plate pin (5), the air throttle valve block (3) are hinged on the throttle valve body (1) by the throttle plate pin (5), institute
The two sides for stating the throttle plate pin (5) on air throttle valve block (3) are provided with the heating wire (2).
3. electronic air throttle body according to claim 2, which is characterized in that the linkage driving mechanism (4) drives each section
When valve valve block (3) synchronous rotation is abutted each other to each adjacent throttler valve piece (3), between the adjacent air throttle valve block (3)
There are overlapping regions, and the overlapping region is between two adjacent throttle plate pins (5).
4. electronic air throttle body according to claim 2, which is characterized in that the electronic air throttle body further includes insulation shield
It covers (6), the throttle valve body (1) is equipped with the through-hole being connected to the cavity (11), and insulation shield is provided in the through-hole
It covers (6), the upper end of the throttle plate pin (5) passes through the insulating sheath (6).
5. electronic air throttle body according to any one of claims 1 to 4, which is characterized in that the heating wire (2) is in curved
Folding shape is set in the air throttle valve block (3).
6. electronic air throttle body according to any one of claims 1 to 4, which is characterized in that the cavity (11) is square
Shape cavity, the air throttle valve block (3) are in rectangular sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773977.7U CN208982174U (en) | 2018-10-30 | 2018-10-30 | Electronic air throttle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773977.7U CN208982174U (en) | 2018-10-30 | 2018-10-30 | Electronic air throttle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982174U true CN208982174U (en) | 2019-06-14 |
Family
ID=66789594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821773977.7U Active CN208982174U (en) | 2018-10-30 | 2018-10-30 | Electronic air throttle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208982174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206649A (en) * | 2019-06-30 | 2019-09-06 | 湖北汽车工业学院 | A kind of aperture-type electronic throttle valve device |
-
2018
- 2018-10-30 CN CN201821773977.7U patent/CN208982174U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206649A (en) * | 2019-06-30 | 2019-09-06 | 湖北汽车工业学院 | A kind of aperture-type electronic throttle valve device |
| CN110206649B (en) * | 2019-06-30 | 2023-11-24 | 湖北汽车工业学院 | Aperture type electronic throttle valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200609 Address after: 315336 No. two, 818 Binhai New Area, Hangzhou Bay, Zhejiang, Ningbo Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Address before: Springfield road 250101 in Shandong province Ji'nan city high tech Development Zone No. 1777 Co-patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. |
|
| TR01 | Transfer of patent right |