All-state never-fail JiuAn electric heating blanket controller
A technology for electric blankets and controllers, applied to electric heating devices, electrical components, etc., can solve problems such as high temperature runaway, fire accidents, etc.
Inactive Publication Date: 2018-07-17
刘少华
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Problems solved by technology
[0004] The purpose of the present invention is to design a device with automatic temperature control or manual control and overheat protection, electric heating wire (wire) break arc flash protection function, and the protection function will never fail no matter in normal or abnormal state (full state) ( or never run out of control) permanent and safe electric blanket controller; solve the technical problem of high temperature runaway and fire accidents caused by the high temperature runaway of the existing electric blankets in abnormal failures, and completely eliminate the safety hazards and defects of the existing electric blankets in the past
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[0027] The technical solution of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.
[0028] One, to the specific explanation of technical solution of the present invention:
[0029] Structural frame diagram of the technical solution of the present invention, as figure 1 As shown, (1) is the full-state long-safe self-locking circuit, (2) is the thermal protection wire, (3) is the thermal leakage wire, (4) is the electric heating wire, (6) is the lock control switch, and (7) is the Fuse tube, (8) are electric current maintenance blocking and disconnection protection circuit, (9) are positioner, (10) are electric heating temperature control circuit. The detection input terminal (V i1 ) to connect the end of the heat protection wire (2) (b 2 ) and the temperature sensing signal input terminal (V in ), the detection input terminal (V i2 ) to the internal connection detection input (V i...
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The invention relates to an all-state never-fail JiuAn electric heating blanket controller. According to the controller, the current is firstly provided by a current maintaining latching and wire break protection circuit for a full-state JiuAn self-locking circuit for maintaining latching, secondly, a lock switch is controlled by the full-state JiuAn self-locking circuit, the current maintaining latching and wire break protection circuit and an AC power supply of an electric heating wire are further controlled, a signal voltage acquired by detecting the temperature of the electric heating wireby an isolation layer between a heat protection wire and a heat leakage wire is used for controlling working states of the full-state JiuAn self-locking circuit and the lock switch, temperature control and over-heating protection functions are realized, the maintaining locking current is utilized to control the over-heating protection and wire break flash protection circuits, no matter where an open circuit fault occurs, a system circuit must be unlocked, the lock switch is triggered to automatically realize power off, the overheating protection function is guaranteed to never fail, and thereby false safety hazards and defects in electric blankets in the prior art are completely eliminated. The all-state never-fail electric heating blanket controller is realized.
Description
technical field [0001] The invention belongs to a flexible heater in the field of household appliances or electric heating control, and particularly relates to a permanent and safe electric blanket controller that will never fail (or never lose control) under normal or abnormal conditions (full state), referred to as "Full-state never-fail Joan Electric Blanket Controller". Background technique [0002] In cold weather, the electric blanket is the preferred heating appliance for warming the bed. It not only makes people feel warm and comfortable when sleeping, and makes it easy to fall asleep, but also its radiated infrared rays and low-frequency electromagnetic fields have certain physiotherapy and health care effects on the human body and rheumatism treatment effects; In addition, electric blankets are more energy-saving than other heating methods, economical and practical, so they are deeply loved by people. However, the early electric blanket technology simply caused ma...
Claims
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IPC IPC(8): H05B1/02
CPCH05B1/0252
Inventor 刘少华
Owner 刘少华