Air flow meter| Jiuquan ultrasonic flowmeter manufacturer

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1. Where is the Beidou X5 air flow meter? Beidou X5 usually uses an intake pressure sensor to detect air volume. If equipped with an air flow meter, its position will be on the hose connecting the throttle valve to the air filter of the vehicle. The method to find it is as follows: 1. Pull the drivers door handle of the vehicle.
2、 Open the drivers door of the car.
3、 Pull the engine orange hood wrench on the drivers legroom.
4、 Open the front engine hood of the car.
5、 The position in the picture is the vehicles air flow meter. Attention:
1. There will be 5 laugh wires on the air flow meter to control.
2、 Do not use throttle cleaner to clean the air flow meter.

2. What are the commonly used air flow meters?

The commonly used air flow meters mainly include the following: blade type air flow meter: The blade type air flow meter rotates by the air flow, and the rotation angle or speed of the blade is proportional to the air flow rate, thus achieving the measurement of air flow rate.

. Karman vortex air flow meter: Karman vortex air flow meter utilizes the principle of Karman vortex generated by fluid behind a specific shaped object (such as a cylinder), and calculates the air flow rate by measuring the frequency of vortex generation. This method has high accuracy and stability. Hot wire air flow meter: The hot wire air flow meter calculates the air flow rate by heating a thin metal wire (hot wire) and measuring the heat lost due to air flow. The faster the air flow rate, the more heat is lost by the hot wire, thus achieving measurement of flow rate. Hot film air flow meter: The hot film open type air flow meter is similar to the hot wire type, but it measures a

ir flow by heating a thin film. This method has the advantages of fast response speed and high measurement accuracy. Summary: Air flow meters are widely used in industrial and automotive fields, and different types of air flow meters have their own advantages and disadvantages. When choosing, it is necessary to consider specific application scenarios and needs. Meanwhile, although air flow meters have many advantages such as low pressure loss, large measurement range, and high accuracy, they cannot measure the flow rates of gases, steam, and purified water, which should be noted during use.

3. What phenomena may occur if the air flow meter is broken

[Pacific Automotive Network] The symptom of a broken air flow meter is that the engine trips and intermittently stalls. If this situation occurs, the vehicles idle speed is normal, acceleration in place is normal, and driving at normal speed is also normal. However, the above fault phenomenon may only occur when the speed exceeds 120 kilometers per hour. This fault may be caused by inaccurate signal output of the air flow meter at high speeds. The symptom of a broken air flow meter is that the engine trips and intermittently stalls. If this situation occurs, the vehicles idle speed is normal, acceleration in place is normal, and driving at normal speed is also normal. However, the above fault phenomenon may only occur when the speed exceeds 120 kilometers per hour. This fault may be caused by inaccurate signal output of the air flow meter when it is disturbed at high speeds. The engine stalls at high speed, causing the vehicle to bounce. There are many possible reasons for this, such as reduced fuel injection, ignition system failure, exhaust gas recirculation,

Air flow meter

2. What are the commonly used air flow meters?

3. What phenomena may occur if the air flow meter is broken

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