CN220227043U - Bypass air compensation type throttle valve - Google Patents
Bypass air compensation type throttle valve Download PDFInfo
- Publication number
- CN220227043U CN220227043U CN202322243550.3U CN202322243550U CN220227043U CN 220227043 U CN220227043 U CN 220227043U CN 202322243550 U CN202322243550 U CN 202322243550U CN 220227043 U CN220227043 U CN 220227043U
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- Prior art keywords
- bypass air
- throttle valve
- communicated
- engine
- throttle
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- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims description 13
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000001133 acceleration Effects 0.000 abstract description 4
- 230000001052 transient effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The utility model discloses a bypass air compensation type throttle valve, which comprises a throttle valve communicated with an engine and a bypass air compensation pipeline communicated with the throttle valve and a gas storage tank, wherein a bypass air passage is communicated between the throttle valve and the bypass air compensation pipeline; a main air passage communicated with the engine is arranged in the throttle valve, and a valve plate is arranged in the main air passage; the two sides of the valve plate are respectively provided with a first pressure monitoring hole and a second pressure monitoring hole, and the first pressure monitoring hole and the second pressure monitoring hole are communicated with the pressure sensor; the output end of the pressure sensor is connected with the ECU, and the output end of the ECU is connected with the bypass air compensation pipeline. The utility model can improve the transient response of the engine, thereby improving the torque; the engine acceleration performance can be improved to miniaturize the engine and reduce the rotation speed, thereby improving the fuel economy of the engine.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a bypass air compensation type throttle valve.
Background
Throttle is one of the most important components of modern electronic fuel injection engine systems; the engine breathing system is used for controlling air to enter and exit the engine gate, when outside air enters the engine, the air is mixed with gasoline to produce combustible mixed gas, the upper end of the throttle valve is connected with an air filter, the lower end of the throttle valve is connected with an automobile engine main body, and when the combustible mixed gas is produced, the combustible mixed gas enters the engine through a conveying pipeline, so that a power system of the engine is triggered.
However, the existing exhaust gas turbocharging of the diesel engine has the problem of retardation (delay), especially in the processes of starting and gear shifting acceleration of the vehicle, the existing throttle valve has insufficient air inflow due to the problem of retardation of turbocharging, and further the fuel economy is low.
Therefore, there is a need for a bypass air compensated throttle.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a bypass air compensation type throttle valve so as to solve the problem in the background technology.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
A bypass air compensation type throttle valve comprises a throttle valve communicated with an engine and a bypass air compensation pipeline communicated with the throttle valve and a gas storage tank, wherein a bypass air passage is communicated between the throttle valve and the bypass air compensation pipeline; a main air passage communicated with the engine is arranged in the throttle valve, and a valve plate for controlling air inlet flow is arranged in the main air passage; the two sides of the valve plate are respectively provided with a first pressure monitoring hole and a second pressure monitoring hole, and the first pressure monitoring hole and the second pressure monitoring hole are communicated with the pressure sensor; and the output end of the pressure sensor is connected with the ECU, and the output end of the ECU is connected with the bypass air compensation pipeline.
According to the technical scheme, the bypass air compensation pipeline comprises a bypass air inlet pipe, an electromagnetic valve, an adapter and a transition joint which are sequentially connected, wherein the transition joint is connected with a bypass air passage, and the bypass air inlet pipe is communicated with an air storage tank; the bypass air compensation pipeline is arranged on the throttle valve through a mounting plate.
According to the technical scheme, the bypass air inlet pipe, the electromagnetic valve, the adapter and the transition joint are connected into a pipeline through threads.
According to the technical scheme, the inner diameters of the bypass air inlet pipe, the electromagnetic valve, the adapter and the transition joint are phi 12-phi 24.
Further optimizing technical scheme, mounting panel and bypass air compensation pipeline are located the left side of air throttle, and pressure sensor is located the right side of air throttle.
According to the further optimized technical scheme, the measuring range of the pressure sensor is 10 kPa-500 kPa, and the output voltage signal is 0.5V-4.5V.
According to the technical scheme, the inner diameter of the main air passage in the throttle valve is phi 68-phi 95.
By adopting the technical scheme, the utility model has the following technical progress.
The utility model provides a bypass air compensation type throttle valve, which is used for measuring the pressure difference of two sides of a throttle valve plate and calculating the compensation air quantity according to a compensation standard; compressed air in the air storage tank is directly filled into an engine intake manifold through the bypass air compensation pipeline, so that more fuel is conveniently injected for combustion, and the problem of low working efficiency of the exhaust gas turbocharger under the condition that the engine speed is not high in the starting process of a vehicle is solved. The utility model can improve the transient response of the engine, thereby improving the torque; the engine acceleration performance can be improved to miniaturize the engine and reduce the rotation speed, thereby improving the fuel economy of the engine.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
wherein: 1. the system comprises a throttle valve, a pressure sensor, a transition joint, an adapter, a solenoid valve, a bypass air inlet pipe, a mounting plate, a second pressure monitoring hole, a valve plate, a first pressure monitoring hole, a bypass air passage, a main air passage and a bypass air passage.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments.
The bypass air compensation type throttle valve comprises a throttle valve 1, a pressure sensor 2, a transition joint 3, an adapter 4, an electromagnetic valve 5, a bypass air inlet pipe 6, a mounting plate 7, a second pressure monitoring hole 8, a valve plate 9, a first pressure monitoring hole 10, a bypass air passage 11 and a main air passage 12, and is shown in combination with fig. 1-2.
The throttle valve 1 is communicated with an engine, a main air passage 12 is arranged in the throttle valve 1, the main air passage 12 is communicated with the engine, and the inner diameter is phi 68-phi 95. A valve plate 9 for controlling the intake air flow rate is provided in the main air passage 12. The two sides of the valve plate 9 are respectively provided with a first pressure monitoring hole 10 and a second pressure monitoring hole 8, and the first pressure monitoring hole 10 and the second pressure monitoring hole 8 are communicated with the pressure sensor 2. The pressure sensor 2 is positioned on the right side of the throttle valve 1, the measuring range of the pressure sensor is 10 kPa-500 kPa, and the output voltage signal is 0.5V-4.5V. The pressure sensor 2 monitors the pressures of the first pressure monitoring hole 10 and the second pressure monitoring hole 8, and converts the pressure values into voltage signals.
The bypass air compensation line is mounted on the left side of the throttle valve 1 by means of a mounting plate 7. The bypass air compensation pipeline is communicated with the throttle valve 1 and is communicated with an air storage tank for providing an air source, and a bypass air passage 11 is communicated between the throttle valve 1 and the bypass air compensation pipeline, and the direction of the bypass air passage 11 is towards the engine side.
The bypass air compensation pipeline comprises a bypass air inlet pipe 6, an electromagnetic valve 5, an adapter 4 and a transition joint 3 which are sequentially connected into a pipeline, the transition joint 3 is connected with a bypass air passage 11, and the bypass air inlet pipe 6 is communicated with an air storage tank.
The inner diameters of the bypass air inlet pipe 6, the electromagnetic valve 5, the adapter 4 and the transition joint 3 are phi 12-phi 24, and the compression resistance is 4-14 bar.
The output end of the pressure sensor 2 is connected with an ECU, and the output end of the ECU is connected with a bypass air compensation pipeline. And the ECU controls the bypass air compensation pipeline according to the received voltage signal difference value. The compensation standard is 4000L/min-13000L/min air flow under the pressure difference of 10-100 kpa.
The working principle of the utility model is as follows: in the process of starting and accelerating the vehicle, the pressure sensor 2 is used for detecting the pressure difference at two ends of the valve plate 9, the ECU calculates the required air flow according to the compensation standard to compensate, the electromagnetic valve 5 in the bypass air compensation pipeline is controlled by the ECU to open the bypass air compensation pipeline, the bypass air compensation pipeline is controlled to directly charge the compressed air in the air storage tank into the engine intake manifold after passing through the bypass air compensation pipeline and the bypass air passage 11, and more fuel oil can be sprayed into the engine intake manifold for combustion, so that the problem of low working efficiency of the exhaust gas turbocharger under the condition of low engine speed in the starting process of the vehicle is solved.
The utility model can improve the transient response of the engine in a short time, thereby improving the torque. From an efficiency standpoint, the improvement in engine acceleration performance may allow the engine to be miniaturized and the rotational speed to be reduced, thereby improving the fuel economy of the engine.
Claims (7)
1. A bypass air compensating throttle, characterized by: the engine comprises a throttle valve (1) communicated with the engine and a bypass air compensation pipeline communicated with the throttle valve (1) and a gas storage tank, wherein a bypass air passage (11) is communicated between the throttle valve (1) and the bypass air compensation pipeline; a main air passage (12) communicated with the engine is arranged in the throttle valve (1), and a valve plate (9) for controlling air inlet flow is arranged in the main air passage (12); the two sides of the valve plate (9) are respectively provided with a first pressure monitoring hole (10) and a second pressure monitoring hole (8), and the first pressure monitoring hole (10) and the second pressure monitoring hole (8) are communicated with the pressure sensor (2); and the output end of the pressure sensor (2) is connected with the ECU, and the output end of the ECU is connected with the bypass air compensation pipeline.
2. A bypass air compensating throttle as defined in claim 1, wherein: the bypass air compensation pipeline comprises a bypass air inlet pipe (6), an electromagnetic valve (5), an adapter (4) and a transition joint (3) which are sequentially connected, the transition joint (3) is connected with a bypass air passage (11), and the bypass air inlet pipe (6) is communicated with an air storage tank; the bypass air compensation pipeline is arranged on the throttle valve (1) through a mounting plate (7).
3. A bypass air compensating throttle as defined in claim 2, wherein: the bypass air inlet pipe (6), the electromagnetic valve (5), the adapter (4) and the transition joint (3) are connected into a pipeline through threads.
4. A bypass air compensating throttle as defined in claim 2, wherein: the inner diameters of the bypass air inlet pipe (6), the electromagnetic valve (5), the adapter (4) and the transition joint (3) are phi 12-phi 24.
5. A bypass air compensating throttle as defined in claim 2, wherein: the mounting plate (7) and the bypass air compensation pipeline are positioned on the left side of the throttle valve (1), and the pressure sensor (2) is positioned on the right side of the throttle valve (1).
6. A bypass air compensating throttle as defined in claim 5, wherein: the measuring range of the pressure sensor (2) is 10 kPa-500 kPa, and the output voltage signal is 0.5V-4.5V.
7. A bypass air compensating throttle as defined in claim 6, wherein: the inner diameter of the main air passage (12) in the throttle valve (1) is phi 68-phi 95.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322243550.3U CN220227043U (en) | 2023-08-21 | 2023-08-21 | Bypass air compensation type throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322243550.3U CN220227043U (en) | 2023-08-21 | 2023-08-21 | Bypass air compensation type throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227043U true CN220227043U (en) | 2023-12-22 |
Family
ID=89186545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322243550.3U Active CN220227043U (en) | 2023-08-21 | 2023-08-21 | Bypass air compensation type throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227043U (en) |
-
2023
- 2023-08-21 CN CN202322243550.3U patent/CN220227043U/en active Active
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