Problems with common switches

Advantages of proximity switches: Non-contact detection: Proximity switches do not need to be in direct contact with the object being detected, which prevents mechanical wear and damage; they can also detect non-metallic objects. High sensitivity: Proximity switches can detect very small objects or minor changes in objects, boasting high sensitivity. Fast response: Proximity switches have a very fast response time, enabling them to detect the presence or changes of objects within just a few milliseconds. High reliability: Since proximity switches have no mechanical components, they have a long lifespan, high reliability, and are not easily affected by external interference. Easy to install and use: The proximity switch is compact, easy to install, and can be integrated with other devices. Disadvantages of proximity switches: High cost: Proximity switches are relatively expensive, especially those with high precision and high performance. High sensitivity to environmental factors: The detection range and sensitivity of proximity switches are affected by environmental conditions such as temperature, humidity, and dust. Power supply required: Proximity switches need an external power source, which means they may not be suitable for use in certain special environments. Advantages of a single-pole double-throw switch: Simple and reliable: It has a simple structure, high reliability, and is less prone to failures. Low price: Single-pole double-throw switches are relatively inexpensive, with low production costs. Easy to maintain: Single-pole double-throw switches have low maintenance costs and are easy to replace and repair. High versatility: Single-pole double-throw switches can be used in various circuits, offering high versatility. Disadvantages of single-pole double-throw switches: Contact-based detection: Single-pole double-throw switches need to be in direct contact with the object to be detected; as a result, they are prone to mechanical wear and damage, and they are also unable to detect non-metallic objects. Lower sensitivity: The sensitivity of a single-pole double-throw switch is relatively low; it can only detect larger objects or significant changes in objects. Slow response speed: Single-pole double-throw switches have a slow response speed, which does not meet the requirements for high-speed detection. Short lifespan: Single-pole double-throw switches have a relatively short lifespan and need to be replaced frequently.