Storage temperature requirements for vacuum pressure switches

The protective design of waterproof vacuum pressure switches mainly involves the waterproof design of the casing and the protection of internal components. The following is a detailed introduction for you:

Waterproof design of the shell

Waterproof grade: The housing of a waterproof vacuum pressure switch usually has a relatively high waterproof grade, such as IP65, IP66, etc. IP65 indicates that the device is completely dust-proof and can withstand low-pressure water jets. IP66 indicates that the device is completely dust-proof and can withstand the impact of violent waves or strong water spray.

Sealing structure: Sealing materials such as sealing rings and sealing adhesives are adopted to ensure that the connection points of the casing, wiring ports and other parts have good sealing performance, preventing moisture from entering the interior of the switch. For instance, in some products, rubber sealing rings are installed at the joints of the casing, and the sealing effect is achieved by squeezing the sealing rings.

Shell material: Corrosion-resistant and high-strength materials such as stainless steel and aluminum alloy are selected to ensure the stability and durability of the shell in a humid environment. Stainless steel material has excellent corrosion resistance and can be used for a long time in harsh environments. Aluminum alloy material has the characteristics of light weight and high strength.

Protection of internal components

Electrical component protection: Waterproof treatment should be carried out on internal electrical components, such as circuit boards and contacts. Waterproof coating can be applied, such as conformal coating, which can form a protective film on the surface of electrical components to prevent moisture and humidity from causing damage to the components.

Induction element protection: The induction element is the core component of the vacuum pressure switch and requires special attention to its protection. A special packaging process can be adopted to seal the sensing element in a waterproof and moisture-proof environment, while ensuring that it can accurately sense pressure changes.

Protection of connection parts

Terminal protection: The terminal is a part where moisture is prone to enter, and special protective measures need to be taken. Waterproof connectors can be used to seal the connection between the wire and the switch to prevent water from entering the switch along the wire. Waterproof joints usually have good sealing performance and water pressure resistance.

Process connection protection: For the process connection parts connected to pipelines or equipment, it is necessary to ensure a tight connection to prevent water from seeping in through the connection points. Materials such as gaskets and threaded sealants can be adopted to enhance the sealing performance of the connection parts.