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Heating control system for drinking machine with electrothermal film heater

A technology of heating control and heater, which is applied in the direction of control/regulation system, non-electric variable control, temperature control, etc., and can solve problems such as the inability to ensure that the hot water outlet temperature meets the outlet water temperature required by people.

Inactive Publication Date: 2008-01-23
邬志坚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that the existing electrothermal film heater water dispenser cannot ensure that the outlet water temperature of hot water meets the outlet water temperature required by people, the present invention provides an electric heating film that can ensure that the actual outlet water temperature of hot water meets the outlet water temperature required by people Heating control system of heater water dispenser

Method used

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  • Heating control system for drinking machine with electrothermal film heater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Referring to Fig. 1, Fig. 2 and Fig. 3, a heating control system of an electrothermal film heater water dispenser includes a temperature sensor 1 located at the upper end of the electrothermal film heater inner cavity of the electrothermal film heater water dispenser, and a temperature sensor 1 located in the hot water The hot water discharge solenoid valve 2 used to control the hot water outlet on the water outlet pipeline, wherein the temperature sensor adopts a thermistor.

[0019] It also includes a temperature comparison module 3 that pre-stores the expected outlet water temperature and is used to compare the current temperature detected by the temperature sensor 1 with the expected outlet water temperature. The input end of the temperature comparison module 3 is connected to the temperature sensor 1, so The output end of the temperature comparison module 3 is connected to the hot water discharge solenoid valve 2 .

[0020] It also includes a temperature difference...

Embodiment 2

[0026] Referring to Fig. 2, Fig. 3, Fig. 4, in order to increase the temperature of the heated water as soon as possible when starting heating, the heating control system of the electrothermal film heater water dispenser also includes a function to make the electrothermal film heater The boost circuit 7 running at full power, in this embodiment, the boost circuit 7 selects a soft start circuit, and the soft start circuit is connected to the power supply 6 .

[0027] When the electrothermal film heating tube is turned on, the output voltage of the power supply 6 is adjusted in a soft start manner, so that the output power of the electrothermal film heater gradually increases until the full power output.

[0028] The temperature comparison module, the temperature difference calculation and comparison module, the power output control circuit and the boost circuit are integrated on the single-chip microcomputer. The rest of the structure and implementation are the same as in Embod...

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Abstract

A heating control system for the water dispenser with the electric-heat diaphragm heater, which comprises a temperature transducer, a hot water discharging magnetic valve, a temperature comparison module, a temperature difference comparison module; the temperature transducer is arranged at the upper part of the inner chamber of the electric-heat diaphragm heater; the hot water discharging magnetic valve is equipped on the hot water pipe to control the hot water output; the input end of the temperature comparison module is connected with the temperature transducer; the output end thereof is connected with the hot water discharging magnetic valve; the input end of the temperature difference comparison module is connected with the temperature transducer, while the output end thereof is connected to the input end of a power output control circuit of which the output end is connected to the power supply. The utility model has the advantages that the actual leaving water temperature can meet that as demanded.

Description

(1) Technical field [0001] The invention relates to a heating control system of an electrothermal film heater water dispenser. (2) Background technology [0002] The heating body of a general water dispenser is a hot pot, but due to the shortcomings of repeated heating and easy scaling, there have been water dispensers without a hot pot, such as those with patent numbers or application numbers of 98224252.2, 01129723.9, 200320118758.2, 200510043279.2 In the patent literature, it is disclosed that the electrothermal film heater is used to heat the water flowing through its inner cavity, so as to continuously provide hot water for users. But these disclosed electrothermal film heater water dispensers cannot guarantee that the water outlet temperature of hot water meets the water outlet temperature required by people. (3) Contents of the invention [0003] In order to overcome the deficiency that the existing electrothermal film heater water dispenser cannot ensure that the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20G05D23/24A47J31/00
Inventor 李保国
Owner 邬志坚