Elastic Metal Dome,SD-M9.8C,Pressure Switch

The characteristics and working principle of metal air bladders or inflatable metal diaphragms are as follows:

1. Structure: Typically composed of two thin metal diaphragms, with a space between them that can be filled with gas.

2. Inflation: Gas (such as air or inert gas) is introduced into the space between the diaphragms, causing them to expand.

3. Deformation: In the inflated state, the gas pressure between the diaphragms causes them to deform, resulting in expansion or bulging.

4. Pressing: When a finger presses the expanded diaphragm, it deforms and compresses the gas inside. This deformation is reversible; when the finger is removed, the gas causes the diaphragm to return to its expanded state.

This type of device has various applications:

- Sensors: Utilizing the deformation of the diaphragm to measure pressure or force changes.

- Switches: Triggering circuits or mechanical devices through the deformation of the diaphragm.

- Dampers: Serving as cushioning elements in mechanical systems to absorb shocks or vibrations.

This technique, which utilizes the deformation of metal diaphragms through air pressure, leverages the compressibility of gases and the elastic deformation properties of metals, exhibiting excellent performance in applications requiring sensitive sensing or specific deformations.

1. Brake Systems:

   - Brake Booster: Utilizing pressure changes to amplify the force applied on the brake pedal through the diaphragm, aiding in easier braking.

2. Hydraulic Switches:

   - Diaphragm Valve: Controlling the flow of fuel or hydraulic oil by utilizing pressure changes to deform the diaphragm, thereby switching the oil flow.

Both of these devices employ air pressure and diaphragm deformation for control purposes.

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