An embedded temperature control heating element, heating circuit and temperature control method
A heating element and heating circuit technology, applied in the direction of electrical components, ohmic resistance heating, electric heating devices, etc., can solve the problems of thin thickness, small volume, difficult to measure temperature accurately, etc., and achieve convenient use, accurate and controllable temperature control Effect
Active Publication Date: 2022-03-04
深圳米瑞科新材料科技有限公司
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Problems solved by technology
In the prior art, the built-in heating element is small in size and thin in thickness, and it is impossible to install traditional temperature measuring elements, such as thermocouples, on the heating element. It is difficult to measure the temperature accurately, and then the heating effect cannot be controlled. If The heating problem of the built-in heating element cannot be controlled, and it is likely that the object to be heated will be directly burned due to excessive temperature, or the predetermined heating effect will be destroyed, resulting in adverse effects
Method used
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[0038] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0039] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...
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The invention provides an embedded temperature control heating element, a heating circuit and a temperature control method. The heating element includes a substrate, a heating sheet, a thermistor and a protection sheet, and the heating sheet and the thermistor are fixed on the front surface of the substrate and Between the opposite sides of the protection sheet, the heating sheet is a strip structure and includes a left section, a middle section and a right section, the left section and the right section are arranged at intervals, the middle section is located between the tops of the left section and the right section, and the thermistor is strip-shaped structure and the top is connected to the middle of the middle section, insulation intervals are provided between the thermistor and the left section and the right section of the heating sheet, and a pin is respectively provided on the left section, the right section of the heating sheet and the bottom end of the thermistor . Beneficial effects of the invention: the heating element is used to enter the inside of the object to be heated for heating, and avoids the disadvantage of being unable to install a temperature measuring unit due to its small size, and is convenient to use and has precise and controllable temperature control.
Description
technical field [0001] The invention belongs to the technical field of heating elements, and in particular relates to an embedded temperature control heating element, a heating circuit and a temperature control method. Background technique [0002] Some items are heated with built-in heating elements. Since the built-in heating elements are inserted into the inside of the item to be heated for electric heating, and the heat transferred or leaked to the outside of the item after heating is limited, the internal The embedded heating element has the advantages of small size and high heating efficiency. At the same time, because the embedded heating element has less energy leakage and waste during heating, and the embedded heating element is energized through the battery, the embedded heating element also has the advantages of saving energy. Advantages of battery power. In the prior art, the built-in heating element is small in size and thin in thickness, and it is impossible t...
Claims
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IPC IPC(8): H05B3/00H05B1/02
CPCH05B3/00H05B1/02H05B1/0202
Inventor 王磊
Owner 深圳米瑞科新材料科技有限公司