CN112471895A - Drinking machine capable of providing cool boiled water and control method - Google Patents
Drinking machine capable of providing cool boiled water and control method Download PDFInfo
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- CN112471895A CN112471895A CN202011329322.2A CN202011329322A CN112471895A CN 112471895 A CN112471895 A CN 112471895A CN 202011329322 A CN202011329322 A CN 202011329322A CN 112471895 A CN112471895 A CN 112471895A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/10—Location of water treatment or water treatment device as part of a potable water dispenser, e.g. for use in homes or offices
Abstract
The invention discloses a water purifying drinking machine capable of providing cool boiled water and a control method thereof, comprising a filtering system connected with a tap water pipe, wherein the outlet end of the filtering system is communicated with the cold medium inlet end of a heat exchange device, the cold medium outlet end of the heat exchange device is communicated with the side wall of the bottom of a heating device, the vertical top outlet end of the heating device is communicated with the hot medium inlet end of the heat exchange device, and the hot medium outlet end of the heat exchange device is communicated with the vertical top inlet end of a water storage device; the outlet end of the vertical top of the heating device is also simultaneously communicated with a first water outlet device; the outlet end of the vertical bottom of the water storage device is communicated with a second water outlet device; wherein, the first water outlet device and the second water outlet device are both electrically connected with a central controller of the water purifying and drinking machine, thereby controlling water outlet. The designed equipment capable of providing cool boiled water realizes the function of cool boiled water at normal temperature and improves the user experience. The whole machine is provided with a high-temperature steam sterilization function, and the safety problem of boiled water after cooling is solved.
Description
Technical Field
The invention belongs to the technical field of electric appliances, and particularly relates to a water purifying drinking machine capable of providing cool boiled water and a control method.
Background
The commercial water purifying and drinking machine is a product widely applied to public places such as companies and schools, tap water is filtered through a built-in filtering device, and the water purifying and drinking machine with a heating function is popular. At present, as the water quality problem is increasingly serious and the living standard of people is gradually improved, the public drinking water safety problem and the use experience are more and more concerned by consumers. At present, most machine types can only discharge boiled water and warm water in the market, and the temperature of the warm water discharged is about 40-60 degrees, so that the requirement of consumers for drinking normal-temperature water cannot be met. And a small part of machine types can provide normal-temperature water, the water is directly discharged from the filtering system 1 without being boiled, and the pipeline cannot be automatically cleaned, so that great sanitation potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a water purifying drinking machine capable of providing cool boiled water and a control method thereof, so as to solve the problems of the background art.
In order to achieve the purpose, the specific technical scheme of the water purifying drinking machine capable of providing cool boiled water and the control method is as follows:
a water purifying drinking machine capable of providing cool boiled water comprises a filtering system communicated with a tap water pipe, wherein the outlet end of the filtering system is communicated with the cold medium inlet end of a heat exchange device, the cold medium outlet end of the heat exchange device is communicated with the side wall of the bottom of a heating device, the vertical top outlet end of the heating device is communicated with the hot medium inlet end of the heat exchange device, and the hot medium outlet end of the heat exchange device is communicated with the vertical top inlet end of a water storage device;
the outlet end of the vertical top of the heating device is also simultaneously communicated with a first water outlet device;
the outlet end of the vertical bottom of the water storage device is communicated with a second water outlet device; wherein, the first water outlet device and the second water outlet device are both electrically connected with a central controller of the water purifying and drinking machine, thereby controlling water outlet.
Furthermore, the hot medium inlet ends of the first water outlet device and the heat exchange device are simultaneously communicated with the vertical outlet end of the heating device through two outlet ends of a second three-way valve; the first water outlet device comprises a water opening pipeline communicated with the second three-way valve, a first water outlet formed in the head of the water opening pipeline, and a fourth electromagnetic valve formed in the water opening pipeline, and the fourth electromagnetic valve is electrically connected to the central controller.
Furthermore, a flow meter for detecting flow is arranged between the second three-way valve and the vertical outlet end of the heating device.
Furthermore, the second water outlet device comprises a normal temperature water pipeline, a fifth electromagnetic valve arranged on the normal temperature water pipeline, and a second water outlet at the head of the normal temperature water pipeline, and the fifth electromagnetic valve is electrically connected to the central controller.
Further, a first temperature sensor used for detecting temperature is installed on the side wall above the heating device, a second temperature sensor used for detecting temperature is installed on the side wall below the water storage device, the first temperature sensor and the second temperature sensor are both connected to the central controller, and after the temperature is judged through the central controller, the opening and closing of the fourth electromagnetic valve and the fifth electromagnetic valve are controlled.
Furthermore, still be equipped with sterilizing equipment on the normal temperature water pipeline, and sterilizing equipment sets up on the normal temperature water pipeline between No. three-way valve and fifth solenoid valve, and sterilizing equipment electric connection is in central controller.
Furthermore, the outlet end of the filtering system is simultaneously communicated with the vertical inlet end of the heating device and the hot medium inlet end of the heat exchange device through a three-way valve, a second electromagnetic valve is arranged between the vertical inlet end of the heating device and the three-way valve, a first electromagnetic valve is arranged between the hot medium inlet end of the heat exchange device and the three-way valve, and the first electromagnetic valve and the second electromagnetic valve are both connected to the central controller.
Furthermore, the vertical outlet end of the water storage device is simultaneously communicated with the second water outlet device and the water discharge device through a third three-way valve.
Furthermore, the drainage device comprises a sewer pipe communicated with the third three-way valve and a third electromagnetic valve arranged on the sewer pipe, and the third electromagnetic valve is electrically connected to the central controller.
Furthermore, a warm water pipeline is communicated between the hot medium outlet end of the heat exchange device and the vertical inlet end of the water storage device, a third water outlet device is communicated with a branch of the warm water pipeline, and a check valve is further arranged on the warm water pipeline between the third water outlet device and the water storage device.
Furthermore, the third water outlet device comprises a branch pipe communicated with the branch of the warm water pipeline, a sixth electromagnetic valve arranged on the branch pipe, and a third water outlet communicated with the head of the branch pipe, wherein the sixth electromagnetic valve is electrically connected with the central controller.
Furthermore, the heating device comprises a heating tank, an electric heater arranged on the heating tank and a heat-insulating layer wrapped on the outer wall of the heating tank; the water storage device is of a stainless steel tank structure.
A control method of a water purifying drinking machine capable of providing cool boiled water comprises,
water passing step: the tap water pipe enters from the filtering system after being pumped, and sequentially passes through a cold medium inlet end of the heat exchange device, a cold medium outlet end of the heat exchange device, an inner cavity of the heating device, a vertical outlet end of the heating device, a hot medium inlet end of the heat exchange device, a hot medium outlet end of the heat exchange device and a vertical inlet end of the water storage device;
a heating step: the central controller controls the heating device to heat the water;
controlling water outlet: and controlling whether water is discharged or not by the first water outlet device at the outlet end of the heating device and the second water outlet device at the outlet end of the water storage device.
Further, the method also comprises a temperature detection step arranged between the heating step and the water outlet control step: the first temperature sensor detects the water temperature of the heating device, the second temperature sensor detects the water temperature in the water storage device tank body, and detection signals of the first temperature sensor and the second temperature sensor are transmitted to the central controller for judgment, so that whether the fourth electromagnetic valve and the fifth electromagnetic valve which are respectively arranged on the first water outlet device and the second water outlet device are opened and closed to discharge water is controlled.
Furthermore, when the first temperature sensor is lower than the set temperature of the heating device, the central controller controls the whole machine to be incapable of discharging water.
When the first temperature sensor is not lower than the set temperature of the heating device and the second temperature sensor is not higher than the set temperature of the water storage device, the central controller controls the first water outlet to discharge boiled water and the second water outlet to discharge normal-temperature water.
When the first temperature sensor is not less than the set temperature of the heating device and the second temperature sensor is higher than the set temperature of the water storage device, the central controller controls the first water outlet to discharge boiled water and the second water outlet to discharge no water.
Further, the method also comprises the sterilization control step: when the whole machine is started, water in the water storage device is emptied, then boiled water is pushed into the water storage device after the water is heated by the heating device, high-temperature steam is generated to sterilize the water storage device, and finally the central controller controls the third electromagnetic valve to be opened to discharge the sterilized water in the water storage device through the sewer pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. to laying of heating system, heat exchange device, water storage device and a plurality of pipeline, the equipment pipeline that can provide cool boiled water of design realizes the cool boiled water function of normal atmospheric temperature, improves user experience.
2. The whole machine is also provided with a high-temperature steam sterilization function, so that the cold boiled water can be discharged, and the pipeline can be controlled through the controller, so that the water discharge safety of the cold boiled water is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the present invention with a third water outlet device added.
The reference numbers in the figures illustrate: the device comprises a filtering system 1, a heating device 2, a heat exchange device 3, a water storage device 4, a sterilization device 5, a first electromagnetic valve 6, a second electromagnetic valve 7, a third electromagnetic valve 8, a fourth electromagnetic valve 9, a fifth electromagnetic valve 10, a first three-way valve 11, a second three-way valve 12, a third three-way valve 13, a water opening pipeline 14, a warm water pipeline 15, a normal-temperature water pipeline 16, a sewer pipe 17, a first temperature sensor 18, a second temperature sensor 19 and a sixth electromagnetic valve 20.
Detailed Description
For a better understanding of the objects, structure and function of the invention, reference should be made to the following description taken in conjunction with the accompanying drawings 1-2.
According to the water purifying and drinking machine designed by the invention, the water storage device 4 and the heating device 2 are vertically arranged, the water inlet end and the inlet end are arranged at the upper end part and the lower end part, the structures are vertically distributed, the hot water cold and hot layering principle is fully utilized, normal temperature water is deposited at the bottom, the normal temperature water is deposited at the top through the heat exchanged warm water with the temperature of about 40 ℃, the heat is rapidly dissipated through the metal tank body, and the warm water enters from the top of the water storage device 4 to push the normal temperature water at the bottom to be discharged. The upper water outlet and the lower water outlet are positioned on the central axis of the water outlet device, so that the phenomenon of dead water in the normal-temperature water at the bottom can be avoided; if the user takes water intermittently, no hot and cold stratification exists, and the warm water entering the water storage device 4 is cooled quickly. When a large amount of normal temperature water is taken from the second water outlet, cold and hot layering can occur only when cold and hot exchange is not timely, and water with higher temperature is concentrated at the middle upper part of the water storage device 4, and if the water taking from the second water outlet is not interrupted, the water with higher temperature is slowly increased towards the bottom. The temperature determined by the second temperature sensor 19 is changed, and when the temperature reaches W2, water intake is stopped. The layering principle is similar to that of the existing stepping water purifying and drinking machine, water with high temperature is concentrated at the top, warm water at the bottom enters the water purifying and drinking machine to push boiled water at the top out of the water outlet, and the entered warm water is concentrated at the middle lower part. In the scheme, warm water at the top enters and cold water at the bottom is pushed out.
The lowest temperature of the warm water from the heat exchange device 3 is 35-45 degrees, and the water temperature is relatively hot in taste. The water storage device 4 is arranged for allowing a user to receive normal-temperature water at room temperature, the volume of the common water storage device is about 20-30L, the water intake volume of the common user is about 300ML, and the normal-temperature water provided at the bottom can meet the user demand. If the cold water is completely taken out and the W2 set temperature is higher, the cold water at the bottom is completely taken out, and the water can be received.
The water purifying and drinking all-in-one machine mainly comprises a water storage device 4 of a normal-temperature water pipeline 16 for normal-temperature water outlet, a heating device 2, a heat exchange device 3, a filtering system 1 for filtering tap water, a boiled water pipeline 14 for discharging boiled water, a central controller for controlling the operation of the system, a first electromagnetic valve 6, a second electromagnetic valve 7, a third electromagnetic valve 8, a fourth electromagnetic valve 9 and a fifth electromagnetic valve 10 for controlling the on-off of the water channels. The above main structures are all installed in the machine body, wherein, the filtering system 1 adopts the filter in the prior art, the inside contains the activated carbon layer and other filtering layers, and the heat exchange device 3 can adopt the existing heat exchanger.
The outlet end of the filtering system 1 is communicated with the cold medium inlet end of the heat exchange device 3, the cold medium outlet end of the heat exchange device 3 is communicated with the side wall of the bottom of the heating device 2, the vertical top outlet end of the heating device 2 is communicated with the hot medium inlet end of the heat exchange device 3, and the hot medium outlet end of the heat exchange device 3 is communicated with the vertical top inlet end of the water storage device 4; the outlet end of the vertical top of the heating device 2 is also simultaneously communicated with a first water outlet device; the outlet end of the vertical bottom of the water storage device 4 is communicated with a second water outlet device; wherein, the first water outlet device and the second water outlet device are both electrically connected with a central controller of the water purifying and drinking machine, thereby controlling water outlet. The first water outlet device comprises a water opening pipeline 14 communicated with the second three-way valve 12, a first water outlet arranged at the head of the water opening pipeline 14, and a fourth electromagnetic valve 9 arranged on the water opening pipeline 14, wherein the fourth electromagnetic valve 9 is electrically connected with the central controller; the second water outlet device comprises a normal temperature water pipeline 16, a fifth electromagnetic valve 10 arranged on the normal temperature water pipeline 16, and a second water outlet at the head of the normal temperature water pipeline 16, wherein the fifth electromagnetic valve 10 is electrically connected to the central controller.
When the tank is started, water in the water storage device 4 is emptied, then boiled water in the heating device 2 enters the water storage device 4, and high-temperature steam is generated to sterilize the whole tank body. After a period of time, the third electromagnetic valve 8 for draining is opened, and the water sterilized by the water storage device 4 is drained into the sewer pipe 17.
The water storage device 4 is a round tank-shaped structure, the topmost end of the water storage device is provided with a water inlet, the bottommost end of the water storage device is provided with a water outlet, the water inlet and the water outlet are arranged on the central axis of the tank body, and the lower end 1/3 of the tank body is provided with a second temperature sensor 19. The tank body of the water storage device 4 is made of stainless steel with excellent heat transfer effect, and warm water which easily enters the tank body is cooled by rapid heat dissipation.
The upper end of the heating device 2 is provided with a first temperature sensor 18 for sensing temperature and a heater for heating arranged at the bottom, the heater can be an electric heating rod or an electric heater in the prior art commonly used, and is used for boiling water inside the heating device 2 and wrapping the outside with a heat preservation layer for heat preservation. And the volume of the water storage means 4 is equal to the volume of the heating means 2.
The front end of the water opening pipeline 14 is connected with a water outlet of the heating device 2, the middle of the water opening pipeline is provided with a second three-way valve 12, the front end of the second three-way valve 12 is provided with a flowmeter used for calculating water flow, one end of the rear end of the water opening pipeline is connected with a first water outlet, and the other end of the rear end of the water opening pipeline is connected with a water inlet of the heat exchange.
The outlet of the water storage device 4 connected with the front end of the normal temperature water pipeline 16 is connected with the third electromagnetic valve 8, the water outlet end is connected with the third water outlet, and the sterilizing device 5 is arranged in the middle of the pipeline.
A control method of a water purifying drinking machine capable of providing cool boiled water comprises,
water passing step: the tap water pipe enters from the filtering system 1 after being pumped, and sequentially passes through a cold medium inlet end of the heat exchange device 3, a cold medium outlet end of the heat exchange device 3, an inner cavity of the heating device 2, a vertical outlet end of the heating device 2, a hot medium inlet end of the heat exchange device 3, a hot medium outlet end of the heat exchange device 3 and a vertical inlet end of the water storage device 4;
a heating step: the central controller controls the heating device 2 to heat the water;
temperature detection and water outlet control:
and controlling whether water is discharged or not by a first water outlet device at the outlet end of the heating device 2 and a second water outlet device at the outlet end of the water storage device 4. After the detection signals of the two are transmitted to the central controller for judgment,
when the first temperature sensor 18 is less than the set temperature W1 of the heating device 2, the whole machine can not discharge water.
When the first temperature sensor 18 is not less than the set temperature W1 of the heating device 2 and the second temperature sensor 19 is not more than the set temperature W2 of the water storage device 4, the first water outlet discharges boiled water and the second water outlet discharges normal temperature water.
When the first temperature sensor 18 is not less than the set temperature W1 of the heating device 2 and the second temperature sensor 19 is more than the set temperature W2 of the water storage device 4, the first water outlet discharges boiled water and the second water outlet does not discharge water. The preset temperature W1 of the heating device 2 is generally set to be above 90 °, i.e. high-temperature boiling water. Namely the lowest outlet water temperature of the first water outlet. The preset temperature W2 of the water storage tank of the water storage device 4 is the water outlet temperature of the second water outlet, and the preset temperature W2 is the highest water outlet temperature of the second water outlet, and is generally set to be lower. Under special conditions, after the high-temperature sterilization is started, the normal-temperature water in the water storage device 4 is emptied from the sewer pipe 17, and the temperature of the water entering the water storage tank is about 40 degrees. The set temperature W2 is assumed to be 28 °, and at this time, the second water outlet cannot discharge water, and needs to wait for cooling to below 28 °.
When the temperature sensed by the first temperature sensor 18 is higher than the preset temperature W1 of the heating device 2, the whole machine can take water from the first water outlet or/and the second water outlet. Tap water is filtered by the filtering system 1, passes through the first electromagnetic valve 6, passes through the heat exchange device 3, and then enters the heating device 2, at the moment, boiled water in the heating device 2 is pushed out, and can flow out through the first water outlet or flow out through the second water outlet after passing through the heat exchange device 3.
When the sensed temperature of the second temperature sensor 19 is lower than the preset temperature W2 of the water storage device 4, water can be taken from the second water outlet, at this time, the water in the warm water pipeline 15 enters the water storage device 4, the normal temperature water at the bottom of the water storage device 4 is pushed out, and the water passes through the sterilization device 5 and then flows out from the second water outlet.
The central controller is internally provided with a high-temperature sterilization function, the high-temperature sterilization function is started, at the moment, the third electromagnetic valve 8 and the fourth electromagnetic valve 9 are simultaneously opened for a certain preset time, so that the front end of the water storage device 4 is communicated with the atmosphere, and normal-temperature water of the water storage device 4 is discharged into the sewer pipe 17 from the third electromagnetic valve 8 to be emptied due to gravity. At this time, the third electromagnetic valve 8 is closed, the filtering system 1 is started, and the filtered water directly enters the heating device 2 through the second electromagnetic valve 7. The high-temperature boiled water directly enters the water storage device 4, and meanwhile, high-temperature steam is generated to sterilize the whole water storage device 4 at high temperature. After the preset time, the third electromagnetic valve 8 is opened for a certain time until the temperature sensed by the temperature sensor 2 is lower than the preset temperature W2, and the execution of the high-temperature sterilization function is completed.
In order to further optimize and design water outlet, a third water outlet device is additionally arranged on the basis of fig. 1, and as shown in fig. 2, a sixth electromagnetic valve 20 and a third water outlet can be connected in series on the warm water pipeline 15 and can be used for warm water outlet, and a check valve for controlling the backflow of the water pipeline needs to be additionally arranged at the front end of the third water outlet device to prevent backflow.
The design has the whole machine operation control principle that: when a user gets water from the water outlet, the control signal is fed back to the central controller, and the single chip microcomputer in the central controller controls the opening and closing of the plurality of electromagnetic valves. When the first temperature sensor 18 is not less than the set temperature of the heating device 2 and the second temperature sensor 19 is not more than the set temperature of the water storage device 4. At this time, the controller controls the first solenoid valve 6 to be opened, and the corresponding water outlet solenoid valve is opened at the same time. The filtering system is started, the tap water is purified and filtered, then flows through the first electromagnetic valve 6, is subjected to heat exchange through an external pipeline of the heat exchange system to form high-temperature water with the temperature of about 70 ℃, and then enters the heating device 2. And push the boiled water on the top of the heating device 2 out of the heating device 2, if a user takes water from the first water outlet, the fourth electromagnetic valve 9 is opened, and the boiled water from the heating device 2 directly passes through the fourth electromagnetic valve 9 and is discharged from the water outlet nozzle 1.
If a user takes water from the second water outlet, the fifth electromagnetic valve 10 is opened, and the boiled water from the heating device 2 is heat-exchanged into warm water at about 40 ℃ through the inner pipe of the heat exchange device 3 (wherein the boiled water in the inner pipe of the heat exchange device 3 is heat-exchanged with the normal temperature water in the outer pipe). The warm water flows through the warm water pipeline 15 to enter the water storage device 4, pushes out the normal temperature water at the bottom, flows through the normal temperature water pipeline 16, is sterilized by the sterilizing device 5, and then flows through the fifth electromagnetic valve 10 to be discharged from the second water outlet.
When the user takes water from the third water outlet, the sixth electromagnetic valve 20 is opened, and the warm water of about 40 ℃ flowing through the warm water pipeline 15 flows out of the warm water of 40 ℃ from the third water outlet.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (16)
1. A clean drinking machine capable of providing cool boiled water, which comprises a filtering system (1) communicated with a tap water pipe, and is characterized in that: the outlet end of the filtering system (1) is communicated with the cold medium inlet end of the heat exchange device (3), the cold medium outlet end of the heat exchange device (3) is communicated with the bottom side wall of the heating device (2), the vertical top outlet end of the heating device (2) is communicated with the hot medium inlet end of the heat exchange device (3), and the hot medium outlet end of the heat exchange device (3) is communicated with the vertical top inlet end of the water storage device (4);
the vertical top outlet end of the heating device (2) is also simultaneously communicated with a first water outlet device;
the outlet end of the vertical bottom of the water storage device (4) is communicated with a second water outlet device; wherein, the first water outlet device and the second water outlet device are both electrically connected with a central controller of the water purifying and drinking machine, thereby controlling water outlet.
2. The water purifier capable of providing cool boiled water according to claim 1, wherein the heat medium inlet end of the first water outlet device and the heat exchanger (3) is simultaneously communicated with the vertical outlet end of the heating device (2) through two outlet ends of a second three-way valve (12); the first water outlet device comprises a water opening pipeline (14) communicated with the second three-way valve (12), a first water outlet formed in the head of the water opening pipeline (14), and a fourth electromagnetic valve (9) formed in the water opening pipeline (14), and the fourth electromagnetic valve (9) is electrically connected to the central controller.
3. The water purifying drinking machine capable of providing cool boiled water according to claim 2, wherein a flow meter for detecting the flow rate is further arranged between the second three-way valve (12) and the vertical outlet end of the heating device (2).
4. The water purifying drinking machine capable of providing cool boiled water according to claim 3, wherein the second water outlet device comprises a normal temperature water pipeline (16), a fifth electromagnetic valve (10) arranged on the normal temperature water pipeline (16), and a second water outlet at the head of the normal temperature water pipeline (16), and the fifth electromagnetic valve (10) is electrically connected to the central controller.
5. The water purifying drinking machine capable of providing cool boiled water according to claim 4, wherein a first temperature sensor (18) for detecting temperature is mounted on the upper side wall of the heating device (2), a second temperature sensor (19) for detecting temperature is mounted on the lower side wall of the water storage device (4), the first temperature sensor (18) and the second temperature sensor (19) are both connected to a central controller, and the central controller judges the temperature and then controls the fourth solenoid valve (9) and the fifth solenoid valve (10) to open and close.
6. The water purifying drinking machine capable of providing cool boiled water according to claim 5, wherein the normal temperature water pipeline (16) is further provided with a sterilization device (5), the sterilization device (5) is arranged on the normal temperature water pipeline (16) between the third three-way valve (13) and the fifth electromagnetic valve (10), and the sterilization device (5) is electrically connected to the central controller.
7. The water purifying drinking machine capable of providing cool boiled water according to claim 6, wherein the outlet end of the filtering system (1) is simultaneously connected to the vertical inlet end of the heating device (2) and the heat medium inlet end of the heat exchanging device (3) through a three-way valve (11), a second electromagnetic valve (7) is arranged on a pipeline between the vertical inlet end of the heating device (2) and the three-way valve (11), a first electromagnetic valve (6) is arranged on a pipeline between the heat medium inlet end of the heat exchanging device (3) and the three-way valve (11), and the first electromagnetic valve (6) and the second electromagnetic valve (7) are both connected to the central controller.
8. The water purifying drinking machine capable of providing cool boiled water according to claim 7, wherein the vertical outlet end of the water storage device (4) is simultaneously communicated with the second water outlet device and the water discharge device through a third three-way valve (13).
9. The water purifier as recited in claim 8, characterized in that the drainage device comprises a drain pipe (17) connected to the three-way valve (13), and a third solenoid valve (8) disposed on the drain pipe (17), wherein the third solenoid valve (8) is electrically connected to the central controller.
10. The water purifying drinking machine capable of providing cool boiled water according to claim 9, wherein a warm water pipeline (15) is communicated between the outlet end of the heat medium of the heat exchanging device (3) and the vertical inlet end of the water storage device (4), a third water outlet device is communicated on the warm water pipeline (15) in a branched manner, and a check valve is further arranged on the warm water pipeline (15) between the third water outlet device and the water storage device (4).
11. The water purifying drinking machine capable of providing cool boiled water according to claim 10, wherein the third water outlet device comprises a branch pipe connected to the branch of the warm water pipeline (15), a sixth electromagnetic valve (20) provided on the branch pipe, and a third water outlet connected to the head of the branch pipe, and the sixth electromagnetic valve (20) is electrically connected to the central controller.
12. The water purifying drinking machine capable of providing cool boiled water according to claim 1, wherein the heating device (2) comprises a heating tank, an electric heater arranged on the heating tank, and an insulating layer wrapped on the outer wall of the heating tank; the water storage device (4) is of a stainless steel tank body structure.
13. A control method of a water purifying drinking machine capable of providing cool boiled water is characterized by comprising the following steps,
water passing step: the tap water pipe enters from the filtering system (1) after being pumped, and sequentially passes through a cold medium inlet end of the heat exchange device (3), a cold medium outlet end of the heat exchange device (3), an inner cavity of the heating device (2), a vertical outlet end of the heating device (2), a hot medium inlet end of the heat exchange device (3), a hot medium outlet end of the heat exchange device (3) and a vertical inlet end of the water storage device (4);
a heating step: the central controller controls the heating device (2) to heat water;
controlling water outlet: and controlling whether water is discharged or not by a first water outlet device at the outlet end of the heating device (2) and a second water outlet device at the outlet end of the water storage device (4).
14. The method as claimed in claim 13, further comprising a temperature detecting step between the heating step and the water outlet controlling step: the first temperature sensor (18) detects the water temperature of the heating device (2), the second temperature sensor (19) detects the water temperature in the water storage device (4), and after detection signals of the first temperature sensor and the second temperature sensor are transmitted to the central controller to be judged, the fourth electromagnetic valve (9) and the fifth electromagnetic valve (10) which are respectively arranged on the first water outlet device and the second water outlet device are controlled to open and close to discharge water.
15. The control method of a water dispenser for providing cool boiled water as set forth in claim 14,
when the first temperature sensor (18) is lower than the set temperature of the heating device (2), the central controller controls the whole machine to be incapable of discharging water;
when the first temperature sensor (18) is greater than or equal to the set temperature of the heating device (2) and the second temperature sensor (19) is less than or equal to the set temperature of the water storage device (4), the central controller controls the first water outlet to discharge boiled water and the second water outlet to discharge normal-temperature water;
when the first temperature sensor (18) is higher than or equal to the set temperature of the heating device (2) and the second temperature sensor (19) is higher than the set temperature of the water storage device (4), the central controller controls the first water outlet to discharge boiled water and the second water outlet to discharge no water.
16. The method for controlling a water dispenser capable of providing cool boiled water as claimed in claim 15, further comprising the steps of: when the whole machine is started, water in the water storage device (4) is drained firstly, then boiled water is pushed into the water storage device (4) after the heating device (2) is heated, high-temperature steam is generated to sterilize the water storage device (4), and finally the central controller controls the third electromagnetic valve (8) to be opened to discharge the sterilized water of the water storage device (4) through the sewer pipe (17).
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| CN114680622A (en) * | 2022-04-28 | 2022-07-01 | 珠海格力电器股份有限公司 | Water supply system, water supply control method of water supply system and water dispenser |
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Application publication date: 20210312 |