Wiring circuit of electric heating device
A technology of electric heating device and wiring circuit, which is applied in the direction of electric heating device, ohmic resistance heating, ohmic resistance heating parts, etc. It can solve the problems that the electric heating device cannot be compatible with two working voltages of 110 volts and 220 volts, and is inconvenient to use. , to achieve the effect of great practical value, simple structure and reasonable design
Pending Publication Date: 2020-01-10
中山市森鹰电器有限公司
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Problems solved by technology
[0002] The existing electric heating device is not compatible with two working voltages of 110 volts and 220 volts, which is inconvenient to use
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[0024] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0025] like figure 1 , 2 The wiring circuit of an electric heating device shown includes a first power supply terminal 1, a second power supply terminal 2, a first control switch 3, a first heating resistor 4 and a second heating resistor 5, the first The resistance value of the heating resistor 4 is the same as that of the second heating resistor 5 .
[0026] The first end of the first heating resistor 4 is connected to the first power supply terminal 1, the second end of the first heating resistor 4 is connected to the first end of the second heating resistor 5, and ...
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The invention relates to a wiring circuit of an electric heating device. The wiring circuit comprises a first power supply end, a second power supply end, a first control switch, a first heating resistor and a second heating resistor, wherein the first end of the first heating resistor is connected with the first power supply end, the second end of the first heating resistor is connected with thefirst end of the second heating resistor, the second end of the second heating resistor is connected with the first selection end of the first control switch, the fixed end of the first control switchis connected with the second power supply end, a first parallel loop is arranged between the first end of the first heating resistor and the second end of the second heating resistor, and a second parallel loop is arranged between the second end of the first heating resistor and the second selection end of the first control switch. On the premise of not changing the motor and resistor parameters,220V and 110V double-voltage compatibility can be achieved only through switching of one switch, and great practical value is achieved for domestic and exported products.
Description
technical field [0001] The invention relates to an electric heating device, in particular to a wiring circuit of the electric heating device. Background technique [0002] The existing electric heating device cannot be compatible with two working voltages of 110 volts and 220 volts, and is inconvenient to use. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a wiring circuit of an electric heating device compatible with two working voltages. [0004] The above-mentioned purpose is achieved through the following technical solutions: [0005] A wiring circuit for an electric heating device, comprising a first power supply terminal, a second power supply terminal, a first control switch, a first heating resistor and a second heating resistor, the resistance of the first heating resistor is the same as that of the second heating resistor The resistance values of the heating resistor...
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IPC IPC(8): H05B3/00H05B3/02H05B1/02
CPCH05B3/00H05B3/02H05B1/02H05B1/0202
Inventor 谢正仁彭卫东蒋文斌
Owner 中山市森鹰电器有限公司