Electric blanket heating apparatus without electromagnetic wave radiation and influence electricity
A heating device, non-inductive technology, applied in the direction of ohmic resistance heating parts, heating element materials, etc., can solve the problems of hazards, electromagnetic radiation and induction electricity that cannot be eliminated at the same time, and achieve the effect of low implementation cost and advanced performance
Inactive Publication Date: 2010-12-08
朴凤达
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Problems solved by technology
[0014] In order to overcome the deficiency that the heating device of the existing low-temperature electric heating appliance cannot eliminate the hazards of electromagnetic wave radiation and induced electricity at the same time, the present invention provides a heating device for a low-temperature heating appliance, which can effectively eliminate electromagnetic wave radiation and induced electricity at the same time, and further eliminate the damage caused by the low-temperature heating appliance. Electromagnetic wave radiation damage and induction electric damage to the human body
Method used
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Embodiment Construction
[0036] Figure 5In the shown embodiment: the power plug (1), the fuse RX, the control switch K, the diode DK, the spiral resistance wire RL, and the spiral wire L form an independent half-wave heating system; the fuse RX, the control switch K (not Through the rectifier tube D K end), spiral resistance wire RL, and spiral wire L form another independent full-wave heating system.
[0037] When the "phase" potential side electrode of the power plug is inserted into the "phase" potential jack of the power socket, and the "0" potential side electrode is inserted into the "0" potential jack of the power socket at the same time;
[0038] In each system, the current flowing through the helical resistance wire RL and the helical conductor L is equal in size and opposite in direction, and the two helical conductors are concentric, have the same pitch, and the same direction of rotation, so the two sets of electromagnetic waves generated are equal in size and opposite in direction. Con...
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The invention relates to a heater blanket device. Wherein, the heating line is formed by two layer, coaxial, same rotating direction, same pitch wire and external electric insulated layer which are separated by the thermal sensitive insulated layer, as well as inner resistance wires and outer conductor; the inner and outer wires at one end of heating line are electrically connected, while the inner resistance wire of another end is electrically connected to the phase potential line of power supply and the outer wire is electrically connected to the zero potential wire; the current flows from the inner resistance wire, and out from the outer wire, or reversed; two layers of wires will generate one group of electromagnetic waves in same amplitude and reversed directions; two groups of electromagnetic waves are counteracted; the heating line has non electromagnetic radiation; the outer screw wire is in zero potential, to shield the inner resistance wire with phase potential and the humanbody, without sensitive electricity to the human body; when the temperature of one point of heating line reaches the fusion temperature of fusible insulated layer, the thermal sensitive insulated layer will be fused, two layers of wires will be short circuit, the current will be increased, and the fuse will be broken, to protect the circuit.
Description
technical field [0001] The invention relates to an electric blanket heating device without electromagnetic wave radiation and without induction electricity. It can be used for electric blankets, electric mattresses, electric quilts, electric heating pads, electric heating hats, medical electric heating pads, electric heating mattresses, electric heating floors, electric heating carpets, etc., which work at low temperatures and are in close contact with the human body for a long time. On heating appliances (appliance surface temperature ≤ 100°C) (hereinafter referred to as low-temperature heating appliances). technical background [0002] In the heating device of the low-temperature heating appliance, the main component that generates electromagnetic wave radiation and induced electricity is the heating wire. Eliminating the electromagnetic wave radiation and induced electricity of the heating wire is the key to eliminating the harm to the human body caused by the heating dev...
Claims
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IPC IPC(8): H05B3/18H05B3/02
Inventor 朴凤达张勇朴丽梅
Owner 朴凤达