Automatic pressure adjusting equipment for heat-insulating cover pressure switch

Abstract

The invention discloses automatic pressure adjusting equipment for a heat-insulating cover pressure switch. The automatic pressure adjusting equipment comprises a main console, a PLC, a pressure adjusting component, a fixing component and an air pressure component, the main console is in communication connection with the PLC, the fixing component comprises a fixing seat, a driving component and afixing cover, the fixing cover is rotatably arranged on the fixing seat and provided with a fixing member capable of being matched with a heat-insulating cover side for rotating locking, and the driving component drives the fixing cover to rotate; the air pressure component comprises an inner container hermetically connected on the fixing cover, an air pipe arranged on the fixing cover, an electromagnetic valve and a pressure adjusting valve, both the electromagnetic valve and the pressure adjusting valve are arranged on the air pipe, and the electromagnetic valve is connected with the PLC. Automatic pressure adjusting of the heat-insulating cover pressure switch can be realized, the pressure switch is ensured to be capable of being broken at warning temperature in a preset range, and thepressure switch can be seamlessly integrated into other flow lines.

Description

technical field [0001] The invention belongs to the field of automatic pressure regulating equipment used for a pressure switch of a heat preservation cover, and in particular relates to an automatic pressure regulating device used for a pressure switch of a heat preservation cover. Background technique [0002] Electric pressure cooker is an upgraded product of traditional pressure cooker and electric rice cooker. It combines the advantages of pressure cooker and electric rice cooker, completely solves the safety problem of pressure cooker, and relieves the safety hazard that has troubled consumers for many years with ordinary pressure cooker; its thermal efficiency is greater than 80% , save time and electricity. For safety, the electric pressure cooker has a protective disconnect mechanism, which is generally divided into two types: temperature-controlled type and pressure-controlled type. The temperature control type converts the temperature signal into an electrical si...

AI Technical Summary

Problems solved by technology

For example, when the pressure in the pot reaches about 70kp (the manufacturer can adjust it according to the actual situation), the specific principle is very simple. The pot is continuously heated to increase the temperature and pressure, and the inner pot will press the heating plate down, and the pressure switch is connected to the heating plate. When the predetermined pressure is reached, the pressure switch Turn off the main board to stop heating. After cooling to a certain temperature and the pressure drops, the pressure switch will turn on the pressure cooker to heat again. This cycle is repeated. Generally, the pressure switch is installed on the heat preservation cover, and the heating plate is squeezed through the hole on the heat preservation cover. The pressure switch transmits pressure. In the actual production process, the adjustment preset value of the existing pressure switch is manually adjusted, which is slow in speed, low in accuracy and high in labor intensity; it cannot be well integrated into other assembly line production

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