Temperature-controlled instant heating system for water purifying and drinking machine and control method of temperature-controlled instant heating system

Abstract

The invention relates to the technical field of water purifying and drinking machines and discloses a temperature-controlled instant heating system for a water purifying and drinking machine, and a control method of the temperature-controlled instant heating system. The temperature-controlled instant heating system for the water purifying and drinking machine comprises a pure water tank, a main control panel and a temperature input module, wherein the pure water tank is provided with a first water outlet and a second water outlet, and the first water outlet of the pure water tank is connected with an ordinary-temperature outlet valve through a pipeline; the second water outlet of the pure water tank is connected with the inlet of a flow adjustment water pump through a pipeline on which a first temperature sensor is arranged; the outlet of the flow adjustment water pump is connected with the water inlet end of an instant heating device through a pipeline; the water outlet end of the instant heating device is connected with a pipeline, and then divided into two paths, one is connected with a first check valve which is further connected with a condensation box through a pipeline, the condensation box is communicated with the pure water tank, the other is connected with a hot water outlet electromagnetic valve, and a second temperature sensor is arranged on the pipeline connected with the water outlet end of the instant heating device. The outlet water temperature can be controlled, the flow path is simple in structure and the cost is low.

Description

technical field [0001] The invention relates to the technical field of pure drinking machines, and more particularly relates to a temperature-control instant heating system and a control method of a pure drinking machine capable of controlling the outlet water temperature. Background technique [0002] At present, most of the heating systems of net drinking machines are heated by hot tanks. Such as figure 1 A relatively common hot-tank heating type water purifier system shown generally includes a pure water tank (a1), a hot tank (a2), a temperature sensor (a3), and a heating tube is arranged in the hot tank (a2) (Fig. Not shown in ), this heating method controls whether the heating tube in the hot tank works or not through the temperature sensor feedback signal to the main control board. This heating method has the situation of repeated heating, which generally causes two adverse effects: on the one hand, the repeated heating of the heating device is a waste of electric en...

AI Technical Summary

Problems solved by technology

Coffee and tea require high water temperature, too high or too low water temperature will affect the extraction effect

Therefore, there are dual heating type net drinking machines on the market, such as image 3 The dual-heating drinking water dispenser system shown generally includes a pure water tank (c1), a hot tank (c2), a temperature sensor (c3), a water outlet pump (c4), and an instant heating device (c5). The hot tank heating type drinking machine system and the instant heating type drinking machine system are simply combined. Although it can meet the user's requirements for using water at various temperatures, there are still hot tank heating type drinking machine systems and Disadvantages of the instant heating type net drinking machine system, and the system structure is complex and the product cost is high

[0005] In order to solve the problems existing in the above-mentioned prior art, the application number is 201610217702.4, and the Chinese invention patent application named an instant hot public direct drinking machine discloses a drinking water machine that can control the outlet water temperature, but the circuit of the solution is relatively complicated , will cause more warm water or hot water to return to the pure water tank, waste more energy, need multiple temperature sensors and temperature control switches, the product cost is high, the outlet water temperature is equal to or higher than the set temperature, but the outlet water cannot be controlled The upper limit of the temperature will release superheated water, which will bring some inconvenience to the user, such as causing burns

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