Gas cooker capable of outputting valve rod rotation angle electric signals of gas valve in contactless mode

A technology of rotation angle and gas valve, applied in the field of gas stoves, can solve problems such as mechanical wear, and achieve the effects of long service life, good hand feeling and simple structure

Active Publication Date: 2012-10-03
宁国市长远知识产权代理有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] In the prior art, there are many types of rotation angle sensors, such as optical rotary encoder type, electromagnetic induction type, coil induction type, capacitive type, potentiometer type, resistive type, etc., but how to collect the rotation angle of the measured object? Angle, different rotation angle sensors have different specific technical solutions, and the mechanical connection betw

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  • Gas cooker capable of outputting valve rod rotation angle electric signals of gas valve in contactless mode
  • Gas cooker capable of outputting valve rod rotation angle electric signals of gas valve in contactless mode
  • Gas cooker capable of outputting valve rod rotation angle electric signals of gas valve in contactless mode

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[0036] The present invention will now be further explained in conjunction with the drawings:

[0037] Such as figure 1 As shown, a gas stove that outputs an electric signal of the rotation angle of a gas valve stem without a contact includes a gas valve 1 of the gas stove. The valve stem 2 of the gas valve 1 is provided with a touch part 3, and the head of the touch part 3 is installed The magnetic body 5, the shape of the magnetic body 5 is an Archimedes spiral body, the central axis of the Archimedes spiral body is arranged to coincide with the axis of the valve stem 2, and the magnetic body 5 (Archimedes spiral body) is fixed on the outer surface of the distal head The Hall sensor H is installed at the position, and the reed switch K is installed at a fixed position close to the proximal end of the magnetic body 5 (Archimedes spiral), and the magnetic body 5 (Archimedes spiral) is attached to the valve stem 2. When the ignition is turned on in the counterclockwise direction, t...

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Abstract

The invention discloses a gas cooker capable of outputting valve rod rotation angle electric signals of a gas valve in contactless mode. A touch component is arranged on a valve rod of the gas valve, a magnetic body is installed on the head of the touch component, a corresponding hall sensor is installed at a fixed position for detecting rotation angles of the magnetic body, the magnetic body is in a shape of an Archimedes spiral, and a central axis of the Archimedes spiral and the axis of the valve rod are coincided. The fixed position of the hall sensor is close to the outer surface of the far end of the Archimedes spiral, a position of the gas valve corresponding to the fixed position of the hall sensor is a closing position of the valve, the gas cooker is further provided with a reed switch, and the reed switch is arranged at a position adjacent to the end of the Archimedes spiral far away from the hall sensor. The gas cooker capable of outputting valve rod rotation angle electric signals of the gas valve in contactless mode has the advantages of being simple in structure, good in touch, safe, reliable and long in service life.

Description

technical field [0001] The invention relates to a gas cooker, in particular to a gas cooker which controls a range hood through a gas valve. Background technique [0002] At present, there is an open technology for the linkage between the switch of the oil fume fan and the gas valve of the gas stove. Most of them use contact switches to control the fan. The oil fume exhaust fan works, but the speed of the oil fume exhaust fan cannot be adjusted. Therefore, when the gas stove is turned on to a low fire, the oil fume exhaust fan cannot be adjusted. Large, high-current contact control mode, it is easy to cause an explosion when there is a gas leak in the pipe joint of the embedded cooker. Using infrared and thermocouple sensors to detect flames is complicated, costly, and easy to damage, and the maintenance cost is also quite high. Some range hoods are equipped with temperature sensors or smoke sensors to detect oil smoke conditions, because the sensors are often If it is ful...

Claims

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Application Information

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IPC IPC(8): F24C3/12F24C15/20F16K37/00
Inventor 付建中
Owner 宁国市长远知识产权代理有限公司
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