Heat source temperature measurement device and method for electrical heating
A technology of temperature measuring device and electric heating, which is applied in the direction of measuring devices, electric devices, and thermometers using electric/magnetic elements that are directly sensitive to heat, can solve problems such as inconsistent measurement accuracy and inaccurate measurement sides, and eliminate Effect of delay error and elimination of sampling error
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[0022] In order to describe in detail the technical content, structural features, achieved objectives and effects of the present invention, the following is a detailed description in conjunction with the embodiments and accompanying drawings.
[0023] See figure 1 , The electric heating heat source temperature measuring device of the present invention includes a load voltage sampling module 12, a load current sampling module 14, a zero-crossing trigger synchronization module 11 and a microprocessor 15. The microprocessor 15 has at least a first input terminal, a second Two input terminals and a third input terminal; the input terminal of the load voltage sampling module 12 for collecting the voltage across the electric heating module 13 is connected to the electric heating module 13, and the output terminal of the load voltage sampling module 12 is connected to the microprocessor 15 The first input terminal is connected; the input terminal of the load current sampling module 14 fo...
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