CN-122004661-A - Water drinking device and control method thereof

CN122004661ACN 122004661 ACN122004661 ACN 122004661ACN-122004661-A

Abstract

The application discloses a watering device and control method thereof relates to watering device technical field, includes: a water pump; the water purification module is characterized in that a water inlet end of the water purification module is communicated with a water outlet end of the water pump, and the water outlet end is connected with a first normal-temperature waterway, a second normal-temperature waterway and a hot water channel in parallel; the phase change heat storage module is arranged on the hot water path; the temperature-adjusting proportional valve is arranged on the first normal-temperature water path; the pure water outlet valve is arranged on the second normal-temperature water path; the water inlet end of the hot water outlet valve is communicated with the water outlet ends of the first normal-temperature waterway and the hot waterway; the water inlet end of the instant heating module is communicated with the water outlet end of the hot water outlet valve; the control module is respectively and electrically connected with the water pump, the temperature-adjusting proportional valve, the pure water outlet valve, the hot water outlet valve and the instant heating module, and is used for adjusting the opening degree of the temperature-adjusting proportional valve according to the current target water outlet mode of the water drinking device and controlling the opening and closing of the pure water outlet valve and the hot water outlet valve. The water outlet freshness, the water outlet temperature stability and the water outlet flow rate of the water drinking device in the water outlet boiling mode and the water outlet hot water mode can be improved.

Inventors

YANG SHENG
REN CONGCONG
ZHOU YOUFU
HE JINCONG
ZHANG SANJIE
NIE YUEHUA
PENG BO

Assignees

佛山市顺德区美的饮水机制造有限公司
美的集团股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260227

Claims (11)

1. A water dispenser, comprising: A water pump; the water inlet end of the water purification module is communicated with the water outlet end of the water pump, and the water outlet end of the water purification module is connected with a first normal-temperature waterway, a second normal-temperature waterway and a hot water path in parallel; The phase-change heat storage module is arranged on the hot water path; the temperature-adjusting proportional valve is arranged on the first water circuit; the pure water outlet valve is arranged on the second water-cooling pipeline; A hot water outlet valve, wherein the water inlet end of the hot water outlet valve is communicated with the water outlet end of the first normal-temperature waterway and the water outlet end of the hot water channel; The water inlet end of the instant heating module is communicated with the water outlet end of the hot water outlet valve; The control module is electrically connected with the water pump, the temperature-adjusting proportional valve, the pure water outlet valve, the hot water outlet valve and the instant heating module respectively, and is used for adjusting the opening of the temperature-adjusting proportional valve according to the current target outlet mode of the water drinking device and controlling the opening and closing of the pure water outlet valve and the hot water outlet valve.
2. The water dispenser of claim 1, further comprising a first temperature sampling module disposed at the water inlet end of the instant heating module, and the first temperature sampling module is electrically connected to the control module, the control module further configured to: Under the condition that the target water outlet mode is a water outlet boiling mode, periodically acquiring a first actual water inlet temperature of the instant module water inlet end acquired by the first temperature sampling module; according to the first actual water inlet temperature and a preset water inlet temperature threshold value, the opening of the temperature regulating proportional valve is regulated; under the condition that the target water outlet mode is a water outlet mode, periodically acquiring a second actual water inlet temperature of the water inlet end of the instant heating module acquired by the first temperature sampling module; And adjusting the opening degree of the temperature regulating proportional valve according to the second actual inlet water temperature and the target hot water temperature so that the temperature difference between the target hot water temperature and the inlet water temperature of the instant heating module is in a preset temperature difference range.
3. The water dispenser of claim 2, wherein the control module is further configured to: If the first actual water inlet temperature is greater than the preset water inlet temperature threshold value, increasing the opening of the temperature regulating proportional valve; and if the first actual water inlet temperature is smaller than or equal to the preset water inlet temperature threshold, adjusting the opening of the temperature regulating proportional valve to be in a fully closed state.
4. The water dispenser of claim 2, wherein the control module is further configured to: Determining a difference between the target hot water temperature and the second actual inlet water temperature as an actual temperature difference; if the actual temperature difference is larger than the upper limit value of the temperature difference in the preset temperature difference range, reducing the opening of the temperature regulating proportional valve; If the actual temperature difference is smaller than the temperature difference lower limit value of the preset temperature difference range, increasing the opening of the temperature regulating proportional valve; If the actual temperature difference is within the preset temperature difference range and the actual temperature difference is smaller than a preset temperature difference threshold value, increasing the opening of the temperature regulating proportional valve; and if the actual temperature difference is in the preset temperature difference range and the actual temperature difference is greater than or equal to the preset temperature difference threshold value, maintaining the opening of the temperature regulating proportional valve.
5. The water dispenser of claim 2, further comprising a flow meter in communication with the water outlet of the water purification module, and the flow meter is electrically connected to the control module, the control module further configured to: When the target water outlet mode is a water outlet boiling mode, the opening of the temperature regulating proportional valve is regulated according to the first actual water inlet temperature and a preset water inlet temperature threshold value, and meanwhile, the first water flow acquired by the flowmeter is periodically acquired; determining a first target heating power of the instant heating module according to the first actual water inlet temperature, the first water flow and a target boiling water temperature; Controlling the instant heating module to operate according to the first target heating power; When the target water outlet mode is a hot water outlet mode, the opening of the temperature regulating proportional valve is regulated according to the second actual water inlet temperature and the target hot water temperature, and meanwhile, the second water flow acquired by the flowmeter is periodically acquired; Determining a second target heating power of the instant heating module according to the second actual inlet water temperature, the second water flow and the target hot water temperature; and controlling the instant heating module to operate according to the second target heating power.
6. The water dispenser of claim 5 further comprising a second temperature sampling module disposed at the water outlet end of the instant heating module, and the second temperature sampling module is electrically connected to the control module, the control module further configured to: If the target water outlet mode is a water outlet boiling mode and if the heating power of the instant heating module is detected to reach the maximum working power of the instant heating module, periodically acquiring a first actual water outlet temperature of the instant heating module water outlet end acquired by the second temperature sampling module; and if the first actual water outlet temperature is smaller than the target boiling water temperature, reducing the rotating speed of the water pump.
7. The water dispenser of claim 6 wherein the control module is further configured to: after the instant heating module is controlled to run according to the second target heating power, periodically acquiring a second actual water outlet temperature of the water outlet end of the instant heating module acquired by the second temperature sampling module; if the second actual outlet water temperature is greater than the target hot water temperature, reducing the heating power of the instant heating module; and if the second actual outlet water temperature is smaller than the target hot water temperature, increasing the heating power of the instant heating module.
8. The water dispenser of any one of claims 1 to 7, wherein the control module is configured to: When the target water outlet mode is a water outlet boiling mode, adjusting the opening of the temperature regulating proportional valve to be in a fully closed state, and controlling the pure water outlet valve to be closed and the hot water outlet valve to be opened; when the target water outlet mode is a hot water outlet mode, adjusting the opening of the temperature regulating proportional valve to be a first preset opening, and controlling the pure water outlet valve to be closed and the hot water outlet valve to be opened; And when the target water outlet mode is a cold water outlet mode, adjusting the opening degree of the temperature regulating proportional valve to be in a fully closed state, and controlling the pure water outlet valve to be opened and the hot water outlet valve to be closed.
9. The water dispenser of any one of claims 1 to 7, further comprising: the third temperature sampling module is arranged on the phase-change heat storage module and is used for collecting the temperature of the phase-change heat storage module; The cast aluminum heating pipe is arranged on the phase-change heat storage module and is used for heating the phase-change material in the phase-change heat storage module; wherein, control module still with third temperature sampling module with cast aluminium heating pipe electricity is connected, control module still is used for: Acquiring the first temperature of the phase-change heat storage module acquired by the third temperature sampling module under the condition that the water drinking device is in a standby mode; If the first temperature is greater than or equal to the melting point temperature of the phase change material in the phase change heat storage module, controlling the phase change heat storage module to enter a heat preservation mode; and if the first temperature is smaller than the melting point temperature of the phase change material in the phase change heat storage module, controlling the cast aluminum heating pipe to start working.
10. The water dispenser of claim 9 further comprising a fourth temperature sampling module mounted on the cast aluminum heating tube and electrically connected to the control module, the control module further configured to: acquiring a second temperature of the cast aluminum heating pipe acquired by the fourth temperature sampling module under the condition that the first temperature is smaller than the melting point temperature of the phase change material in the phase change heat storage module; If the second temperature is smaller than a preset safety temperature threshold value, controlling the starting work of the cast aluminum heating pipe; And if the second temperature is greater than or equal to the preset safety temperature threshold, controlling the cast aluminum heating pipe to stop working.
11. A control method of a drinking device, characterized in that it is applied to a drinking device according to any one of claims 1 to 10, the method comprising: monitoring a target water outlet mode of the drinking device; And according to the target water outlet mode, adjusting the opening of a temperature regulating proportional valve in the water drinking device, and controlling the opening and closing of a pure water outlet valve and a hot water outlet valve in the water drinking device.

Description

Water drinking device and control method thereof Technical Field The application relates to the technical field of drinking devices, in particular to a drinking device and a control method thereof. Background The existing drinking water device capable of providing various water temperatures such as boiling water, hot water, cold water and the like mainly adopts two modes of instant heating and heat storage type heating. However, the instant heating type water drinking device is limited by the upper power limit of the household appliance, and when the instant heating type water drinking device outputs boiling water or hot water, the heating effect is always required to be ensured by reducing the water flow speed, so that the water outlet flow is smaller, and the large flux requirements of the scenes such as water receiving, beverage brewing and the like of a user are difficult to meet. The heat-storage type water drinking device can provide hot water at any time, and the water needs to be preheated and stored in the heat-preservation tank, so that water flow is retained to form aged water, and the aged water can be repeatedly heated to be thousands of rolls of water, so that the water outlet freshness is seriously affected. Disclosure of Invention The application mainly aims to provide a water drinking device, which aims to improve the water outlet freshness of the water drinking device and improve the water outlet temperature stability and the water outlet flow of the water drinking device in a water outlet boiling mode and a water outlet hot water mode. To achieve the above object, the present application provides a drinking device comprising: A water pump; the water inlet end of the water purification module is communicated with the water outlet end of the water pump, and the water outlet end of the water purification module is connected with a first normal-temperature waterway, a second normal-temperature waterway and a hot water path in parallel; The phase-change heat storage module is arranged on the hot water path; the temperature-adjusting proportional valve is arranged on the first water circuit; the pure water outlet valve is arranged on the second water-cooling pipeline; A hot water outlet valve, wherein the water inlet end of the hot water outlet valve is communicated with the water outlet end of the first normal-temperature waterway and the water outlet end of the hot water channel; The water inlet end of the instant heating module is communicated with the water outlet end of the hot water outlet valve; The control module is electrically connected with the water pump, the temperature-adjusting proportional valve, the pure water outlet valve, the hot water outlet valve and the instant heating module respectively, and is used for adjusting the opening of the temperature-adjusting proportional valve according to the current target outlet mode of the water drinking device and controlling the opening and closing of the pure water outlet valve and the hot water outlet valve. In an embodiment, the water dispenser further includes a first temperature sampling module disposed at the water inlet end of the instant heating module, and the first temperature sampling module is electrically connected to the control module, and the control module is further configured to: Under the condition that the target water outlet mode is a water outlet boiling mode, periodically acquiring a first actual water inlet temperature of the instant module water inlet end acquired by the first temperature sampling module; according to the first actual water inlet temperature and a preset water inlet temperature threshold value, the opening of the temperature regulating proportional valve is regulated; under the condition that the target water outlet mode is a water outlet mode, periodically acquiring a second actual water inlet temperature of the water inlet end of the instant heating module acquired by the first temperature sampling module; And adjusting the opening degree of the temperature regulating proportional valve according to the second actual inlet water temperature and the target hot water temperature so that the temperature difference between the target hot water temperature and the inlet water temperature of the instant heating module is in a preset temperature difference range. In an embodiment, the control module is further configured to: If the first actual water inlet temperature is greater than the preset water inlet temperature threshold value, increasing the opening of the temperature regulating proportional valve; and if the first actual water inlet temperature is smaller than or equal to the preset water inlet temperature threshold, adjusting the opening of the temperature regulating proportional valve to be in a fully closed state. In an embodiment, the control module is further configured to: Determining a difference between the target hot water temperature and the second actual inlet water temperature a