CN111839230A - Instant-cooling and instant-heating water dispenser and instant-cooling and instant-heating control method - Google Patents
Instant-cooling and instant-heating water dispenser and instant-cooling and instant-heating control method Download PDFInfo
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- CN111839230A CN111839230A CN202010872036.4A CN202010872036A CN111839230A CN 111839230 A CN111839230 A CN 111839230A CN 202010872036 A CN202010872036 A CN 202010872036A CN 111839230 A CN111839230 A CN 111839230A
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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
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
-
- 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
- A47J31/002—Apparatus for making beverages following a specific operational sequence, e.g. for improving the taste of the extraction product
-
- 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
- A47J31/4403—Constructional details
-
- 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
- A47J31/50—Urns with devices for keeping beverages hot or cool
- A47J31/505—Urns with devices for keeping beverages hot or cool with heat-supply regulation
-
- 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
- A47J31/54—Water boiling vessels in beverage making machines
-
- 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
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides an instant-cooling and instant-heating water dispenser and an instant-cooling and instant-heating control method, and belongs to the field of water dispenser structures. The instant-cooling and instant-heating water dispenser comprises a water storage container, a control panel, a power module and a water path structure connected with the water storage container, wherein the water path structure comprises a water pumping device, a cooling system and a water lifting device, the control panel comprises an MCU and a heating control module, the MCU is respectively connected with a water level detection device, a first temperature detection device, the water pumping device and the water lifting device, the output end of the MCU is connected with the input end of the heating control module, the output end of the heating control module is connected with the first heating device, and the power module supplies power to the whole device. The instant cooling and heating control method based on the instant cooling and heating water dispenser is further provided. The water in the pipeline can be discharged in time, so that no residue is caused, and the water quality is better; can ensure hundred percent high-temperature sterilization and disinfection of cooling water, and has higher safety factor.
Description
Technical Field
The invention relates to a water dispenser structure, in particular to an instant-cooling and instant-heating water dispenser and an instant-cooling and instant-heating control method based on the instant-cooling and instant-heating water dispenser.
Background
The product demand of the current market for preparing constant-temperature water, such as constant-temperature milk water, for drinking devices such as instant-cooling and instant-heating water dispensers has the following two aspects:
1. consumers need constant-temperature water for mixing milk, if constant-temperature milk water products on the market are not used, boiled and sterilized natural water is from 100 ℃ to 45 ℃, the natural cooling process needs 2 hours, and the cooling waiting time is too long;
2. if the existing constant-temperature milk mixing water products on the market are used, the time for cooling the boiled and sterilized natural water from 100 ℃ to 45 ℃ needs more than 90 minutes, and the time for waiting for cooling is too long;
3. if consumers use the rapid cooling and heating drinking water system on the market at present, the drinking water is basically mixed with cold water which is not boiled through boiling water, bacteria can be bred and stored when natural water is not boiled, the bacteria can be bred and stored after pure water is sealed, and mixed water with the bacteria can be used for mixing milk to cause different degrees of damage to intestines and stomach of infants.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an instant-cooling and instant-heating drinking water device and an instant-cooling and instant-heating drinking water control method.
The instant cold and instant hot drinking water device comprises a water storage container, a control panel, a power supply module and a waterway structure connected with the water storage container, wherein a first heating device for heating water in the water storage container is arranged below the water storage container, a water level detection device and a first temperature detection device are arranged in the water storage container, a water filling port, a first water outlet and a first water inlet are arranged on the water storage container,
the water path structure comprises a water pumping device, a cooling system and a water lifting device for lifting water in the water path structure into a water storage container, wherein the first water outlet is connected with a water inlet of the water pumping device through a pipeline, a water outlet of the water pumping device is connected with a water inlet of the cooling system, a water outlet of the cooling system is connected with a first water inlet, one end of the water lifting device is connected with the water inlet of the cooling system, the other end of the water lifting device is communicated with air,
the control panel comprises an MCU and a heating control module, wherein the MCU is respectively connected with a water level detection device, a first temperature detection device, a water pumping device and a water lifting device, the output end of the MCU is connected with the input end of the heating control module, the output end of the heating control module is connected with the first heating device,
the power module supplies power to the whole device.
The invention is further improved, the water storage container is provided with a box body and an upper cover covering the box body, the water storage container is provided with an upper cover opening detection device, the upper cover opening detection device is connected with the MCU, and when the upper cover is opened, the MCU controls all parts to stop working.
The invention is further improved, the upper cover opening detection device is a Hall switch connected with the MCU, the Hall switch is arranged close to the upper cover, and a magnetic part matched with the Hall switch is arranged in the upper cover.
The instant-cooling and instant-heating water dispenser is further improved, and further comprises a water quality detection sensor arranged in the water storage container for detecting the water quality, wherein the output end of the water quality detection sensor is connected with the input end of the MCU.
The invention is further improved, the water pumping device is a water pump, the water pumping device is an air pump, the water pump and the air pump are integrated into a water-gas dual-purpose pump, a first three-way valve is arranged on a pipeline between the water pump and the first water outlet, a main inlet and a main outlet of the first three-way valve are respectively connected with the pipeline, branch ports are connected with an air inlet, an air outlet is arranged at the upper part of the water storage container, the air outlet is connected with the air inlet through an air pipe, the control panel is provided with an electromagnetic valve control module, and the MCU controls the first three-way valve through the electromagnetic valve control module.
The invention is further improved, the instant-cooling and instant-heating water drinking device also comprises a water intake for discharging set water warm water, and the water intake is arranged on the water storage container;
or the water intake is arranged on a pipeline between the water pump and the cooling system through a communication port of the second three-way valve, and the MCU controls the second three-way valve through the electromagnetic valve control module.
The invention is further improved, the pipeline wall arranged at the second water storage port is provided with a second heating device, and the input end of the second heating device is connected with the output end of the heating control module.
The instant-cooling and instant-heating water dispenser is further improved, and the instant-cooling and instant-heating water dispenser further comprises a second temperature detection device, a third temperature detection device and a fourth temperature detection device, wherein the second temperature detection device, the third temperature detection device and the fourth temperature detection device are respectively used for detecting the water temperatures of the input end, the heating part and the output end of the second heating device.
The invention also provides an instant cooling and heating control method based on the instant cooling and heating water dispenser, which comprises the following steps:
the setting step: setting a first set temperature or function according to requirements, wherein different functions correspond to corresponding water temperatures;
water injection: the water storage container is used for injecting water into the water storage container through the water injection port, and all water paths and circuits are in a disconnected state in the water injection process;
a water level detection step: the water level detection device is used for detecting the water level in the water storage container, and when water shortage in the water storage container is detected, all water paths and circuits are in normal working states; when water shortage is detected, all waterway structures are locked in a disconnected state, the first heating device is locked in the disconnected state until the water storage container is not short of water, and the locking is released;
a first heating step: the water storage device is used for storing water to be heated to boiling by the first heating module;
and (3) circulating cooling: the cooling system is used for cooling boiled water in the water storage container to a first set temperature in a circulating manner through the cooling system in the waterway structure;
emptying the cooling system and extracting water: and after the circulation cooling is finished, the cooling system stops working, the water in the water channel structure is emptied through the water lifting device, and the water in the water channel structure is lifted into the water storage container.
The invention is further improved, and also comprises:
a water taking step: taking out water meeting the requirements of drinkers through a water intake;
a second heating step: for heating the water flowing through the intake to a second set temperature.
Compared with the prior art, the invention has the beneficial effects that: the water in the pipeline can be discharged in time, no residue can be caused, the water quality is better, and the cooling and the temperature reduction of the water are started from 100 ℃, so that the hundred-percent high-temperature sterilization and disinfection of the cooling water can be ensured, and all the so-called yin-yang water which is formed by mixing cold water which is not heated and boiled and hot water in a warm state and the potential safety hazard brought to children and all drinking people by the yin-yang water are eliminated.
Drawings
FIG. 1 is a block diagram of the circuit configuration of the present invention;
FIG. 2 is a schematic circuit diagram of a power module of the present invention;
FIG. 3 is a schematic circuit diagram of the first and second heating modules of the present invention;
FIG. 4 is a schematic circuit diagram of a first temperature detecting device according to the present invention;
FIG. 5 is a schematic diagram of a control board circuit;
FIG. 6 is a schematic diagram of a Hall switch circuit;
FIG. 7 is a schematic structural view of a waterway structure according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a waterway structure according to another embodiment of the present invention;
FIG. 9 is a schematic view of a cooling system fin structure and a heat conducting water pipe installation structure;
fig. 10 and 11 are schematic views of the cooling system assembly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-6, the control panel of this embodiment includes an MCU, a heating control module, a temperature thermocouple, a key module, a water level sensor, a TDS (total dissolved solids) probe for detecting water quality, a solenoid valve control module, a status indication module, a power control module, and a power module, wherein an input terminal of the MCU is connected to an output terminal of the temperature thermocouple, the key module, the water level sensor, and the TDS (total dissolved solids) probe, an output terminal of the MCU is connected to an input terminal of the heating control module, an input terminal of the solenoid valve control module, an input terminal of the status indication module, and an output terminal of the heating control module controls heating of the heating module, and an output terminal of the solenoid valve control module controls a working status of the solenoid valve.
As shown in fig. 2 and 5, the power supply module of this embodiment includes an ac-to-dc conversion module and a dc-to-dc power supply module, wherein the ac-to-dc conversion module converts ac power into dc power of 12V through a rectifier J4 to provide a power of 12V, and an input end of the dc-to-dc power supply module is connected to an output end of the power supply conversion module to convert the dc power of 12V into dc power of 5V and 3.3V, respectively, so as to provide various dc power supplies for the apparatus.
As shown in fig. 3 and 5, the heating module of this example includes a first heating module and a second heating module, the output terminal of the interface J6 is connected to the first heating module, the output terminal of the interface J8 is connected to the second heating module, the input terminal of the interface J6 is connected to one terminal of an electronic switch J7, the other terminal of the electronic switch J7 is connected to a 12V power supply, the control terminal is connected to the output terminal of the heating control module, similarly, the input terminal of the interface J8 is connected to one terminal of an electronic switch J9, the other terminal of the electronic switch J9 is connected to a 12V power supply, and the control terminal is connected to the output terminal of the heating control module.
As shown in fig. 4, the temperature measuring couple of this example is connected to an interface J2, and the other end of the interface J2 is connected to a pin 15 of the MCU and is connected to a power interface J15 of the dc-to-dc power supply module through an interface J5. The temperature measuring couple collects the water temperature information in the water tank and outputs the water temperature information to the MCU, so that the control of the water temperature in the water tank is realized.
As shown in fig. 5, the heating module of this example is provided below the tank, and is a heating ring that heats water in the tank to boiling, and when the temperature of the water is lower than a set temperature, the cooling water boiled in the tank can be reheated by the heating ring. As a preferable embodiment, in order to prevent the water in the water tank from being heated circularly, the water intake is further provided with a heat pipe, so that when the water temperature is lower than the set temperature, the water intake is heated as required, the water in the whole water tank is not required to be reheated, and the water heating device is safer, more energy-saving and more environment-friendly.
The heating control chip U4 in this example controls the switching of two heating devices through transistors Q5 and Q6, respectively. In the embodiment, three temperature measuring couples are additionally arranged and are respectively connected with the interfaces J17, J18 and J20 and are respectively used for detecting the water temperatures of the input end, the heating part and the output end of the heat pipe. Thereby more accurately controlling the temperature of the drinking water.
The key module of the embodiment comprises keys S1-S5 which are respectively connected with the controller, wherein the key S1 is a mode key for selecting a working mode, the key S2 is a one-key water making key, and after the mode is selected, the switch is pressed down, so that the controller automatically controls the water at the water intake to reach the set temperature. The button S3 is a manual water outlet switch, the button S4 is a child lock, and the button S5 is an electric water outlet switch.
The device indication module of this example is the LED pilot lamp of a plurality of arrays, the output of LED pilot lamp links to each other with MCU, through controlling different lamps to realize the system water of different temperature, for example make tea, dash milk, boiling water etc..
This example also includes a buzzer BZ1 to sound an alarm when there is no water in the tank or the circuit is malfunctioning.
As shown in fig. 5 and 6, the water tank of this example has a tank body and an upper cover for covering the tank body, and the water tank further includes an open cover sensor interface J22 connected to the MCU and connected to the hall switch U8 of this example via an interface J23. The Hall switch U8 of this example is close to the upper cover setting, be equipped with the magnetic part with Hall switch cooperation in the upper cover. When the upper cover is opened, the MCU controls all the components to stop working.
As shown in fig. 7, as an embodiment of the present invention, the waterway structure of the present invention includes a water pumping device, a cooling system, and a water lifting device for lifting water in the waterway structure into a water storage container, wherein one end of the water lifting device is connected to a water inlet of the cooling system, and the other end of the water lifting device is communicated with air.
The water pumping device is a water pump 8, the water pumping device is an air pump, the water pump and the air pump are integrally arranged, an annular heater 12 used for heating water in the water tank 5 is arranged below the water tank 5, a water filling port (not shown in the figure), a first water outlet 51 and a first water inlet 52 are arranged on the water tank 5, the first water outlet 51 is connected with a water inlet of the water pump 8 through a pipeline, a water outlet of the water pump 8 is connected with a water inlet of a cooling system, and a water outlet of the cooling system is connected with the first water inlet 52. When the water pump 8 works, the water in the waterway is pushed to flow towards one direction under certain water pressure.
Be equipped with first three-way valve 11 on the pipeline between water pump 8 and the first delivery port, the main access & exit of first three-way valve 11 links to each other with the pipeline respectively, and the branch mouth links to each other with air inlet to can extract the air, through the effect of air, promote cooling system's water and get into in the water tank 5.
The water in the pipeline can be blown to the water tank in time, water is prevented from remaining in the pipeline, on one hand, the possibility that long-term residual water flows back to the water tank and is drunk by people is avoided, the water quality is better, on the other hand, mineral substances in water and the like cannot settle in the pipeline, and the service life of the pipeline is prolonged.
In the present embodiment, the water tank 5 is provided with an air outlet 53, and the air outlet 53 is connected to the air inlet through an air pipe. Negative pressure is formed in the water tank 5 by pumping air in the water tank 5, which is more beneficial to lifting water into the water tank 5 from the cooling system. Of course, the air inlet of the embodiment can also be connected to the outer wall of the water drinking device, the air inlet is additionally arranged on the outer wall of the water drinking device, and the filtering and disinfecting device is arranged on the air inlet on the outer wall of the water drinking device, so that the cleanliness of air is ensured.
Preferably, a first one-way check valve 7 is arranged on a pipeline between the first water outlet 51 and the water pump 8, and the first one-way check valve 7 is arranged close to the first water outlet 51.
The first water inlet 52 and the pipes of the cooling system are provided with a second one-way check valve 6, which second one-way check valve 6 is arranged close to the first water inlet 52. The first one-way check valve 7 and the second one-way check valve 6 limit the direction of water flow in the waterway to one direction, and the one-way check valves function as a stop when the waterway has water pressure in the opposite direction.
The present example also includes a water intake for discharging the set water warm water for drinking by the user. The intake of this example is arranged in the pipe between the water pump 8 and the cooling system via a communication opening of a three-way valve 9. The water can more easily reach the water outlet by the acting force of the water pump 8.
The three-way valve 9 and the first three-way valve 11 enable the water paths to be conducted in different directions by disconnecting and conducting the switches of the electromagnetic valves, when the switches of the three-way valve 9 and the first three-way valve 11 are disconnected, the 2-3 water path is conducted, and the 1-3 and 1-2 water path are closed. When the electromagnetic valve is opened and closed, the 1-2 waterway passage is conducted, and the 2-3 and 1-3 waterway passages are closed.
Of course, the water outlet of this embodiment may also be arranged at the bottom of the water tank 5. According to the structure, the structure of the embodiment is very simple, all water is subjected to boiling sterilization at 100 ℃, and the water safety of drinkers is effectively guaranteed.
As shown in fig. 8, as another embodiment of the present invention, on the basis of the first embodiment, the water outlet of this embodiment is further provided with a temperature-adjustable heat pipe 10, and the temperature-adjustable heat pipe 10 of this embodiment adopts a double power of 1365W plus 685W, so that when the water temperature of the water tank 5 is lower than a set value, the temperature can be heated to a desired temperature at the water intake by adjusting the output power of the temperature-adjustable heat pipe 10. Thereby avoiding the need to use the ring heater 12 to heat all of the water in the water tank 5 in a circulating manner.
As shown in fig. 9, the present invention includes a heat dissipating fin structure 1 and a food-grade copper tube 2, wherein the heat dissipating fin structure 1 includes a plurality of fins closely arranged in parallel, air circulation gaps are provided between adjacent fins, the copper tube 2 is S-shaped and inserted into the fins, a water inlet 21 and a water outlet 22 of the copper tube 2 are disposed on the same side of the heat dissipating fin structure 1 or on both sides of the heat dissipating fin structure 1, wherein the water inlet is connected to a water source water tube to be cooled, and the water outlet outputs a cooled water source.
The heat dissipation structure is arranged on the outer side of the heat dissipation fin structure 1. The heat dissipation structure can effectively transfer the heat of the copper pipe 2 to the fins for heat dissipation, greatly increase the heat dissipation area, and further assist in heat dissipation through the heat dissipation structure, so as to effectively dissipate the heat of the copper pipe 2, and achieve the purpose of cooling immediately.
The copper pipe 2 of this embodiment may also be made of other heat dissipation water pipes, such as stainless steel or other metal materials, which are both suitable for drinking water safety and can conduct heat.
The thickness of the fins of the radiating fin structure 1 can be 0.1mm-5mm, and the radiating fin structure adopts 0.1 mm-thick aluminum sheets which are densely arranged, so that the contact area between the radiating surface of the fins and air in unit volume is greatly increased, and the efficient heat transfer from the fins to the air is ensured.
The fins and the copper pipes 2 are processed and arranged by adopting a pipe expanding process, and the fins are tightly attached to the copper pipes 2, so that effective large-amount heat energy conduction between the fins and the copper pipes 2 in unit time is ensured.
The volume of the radiating fin structure 1 of the embodiment can be set according to the volume of the water dispenser, the larger the volume is, the better the radiating effect is, and the shorter the time required for cooling 100-degree boiled water to warm water with a set temperature is.
As shown in fig. 10 and 11, as a preferred embodiment of the present invention, the heat dissipation structure in this embodiment is a heat dissipation fan 3, and is assembled on the surface of the heat dissipation fin structure 1 through a bracket 4, and the air inlet and the air outlet of the heat dissipation fan 3 communicate with the air flow gap. The heat radiation fan 3 is controlled by a power control device on the circuit board.
Preferably, the number of the heat dissipation fans 3 in this embodiment is two, and the two heat dissipation fans are respectively disposed on the front and rear surfaces of the heat dissipation fin structure 1. The heat dissipation fan 3 of this example is two 12 volt dc 12cm by 12cm brushless motor mute fans, and the blowing directions of the two fans are the same direction.
The front and the back of the finned copper tube are provided with two 12V brushless mute fans of the same type, which is different from most of the existing air-cooling and water-cooling heat dissipation systems, the cooling fans 3 of the cooling system have the same wind direction, and the cold wind and the hot wind have the same direction, so that the wind pressure of the two fans is mutually promoted and superposed, the wind speed is promoted and accelerated, and the heat dissipation efficiency can be improved by 25%.
Of course, the number of the heat dissipation fans 3 in this embodiment may also be 1 or more according to the size of the heat dissipation fin structure 1, and when the number of the heat dissipation fans 3 is more than 2, the heat dissipation fans 3 are respectively and uniformly arranged on the front and back surfaces of the heat dissipation fin structure 1. The size of the heat dissipation fan 3 is not limited to the above size, and may be set to 6mm × 6mm to 16mm × 16mm according to the requirement.
The heat radiation fan 3 of this example is preferably provided with an aluminum or aluminum alloy housing, and can be directly welded on the surface of the heat radiation fin structure 1 without a bracket, so that the heat conduction effect is better.
The cooling system is improved by introducing a technical mode of a fin copper tube and a cooling fan, the combination mode and working parameters of all functional accessories are adjusted, the cooling efficiency is obviously improved, the cooling system can reduce 2L of water from 100 ℃ to 45 ℃ for only 15 minutes, only 8 minutes is needed for 1 liter, and the waiting time is greatly shortened while real warm boiled water can be drunk.
The invention discloses an operation control flow of an instant cooling and instant heating water dispenser, which comprises the following steps:
1. cistern filling
< three-way valve 11 Circuit Break >
< three-way valve 9 Circuit Break >
Water pump M Circuit disconnection
< heat dissipation fan circuit disconnection >
Heating circuit disconnection of heating ring heater
Open heating circuit of temperature-adjustable heating tube
In this example, the three- way valves 9 and 11 are in an off state, 2-3-way, 1-3-way and 1-2-way, and in an on state, 1-2-way, 2-3-way and 1-3-way.
2. Heating the water to boiling
< three-way valve 11 Circuit Break >
< three-way valve 9 Circuit Break >
Water pump M Circuit disconnection
Conduction of heat radiation fan circuit
Conduction of heating circuit of heating ring heater
Open heating circuit of temperature-adjustable heating tube
3. Circulation cooling
< three-way valve 11 electric conduction >
< three-way valve 9 Circuit Break >
M circuit conduction of water pump
Conduction of heat radiation fan circuit
Heating circuit disconnection of heating ring heater
Open heating circuit of temperature-adjustable heating tube
4. Cooling system emptying water lift
< three-way valve 11 Circuit Break >
< three-way valve 9 Circuit Break >
M circuit conduction of water pump
< heat dissipation fan circuit disconnection >
Heating circuit disconnection of heating ring heater
Open heating circuit of temperature-adjustable heating tube
5. Heat preservation
< three-way valve 11 Circuit Break >
< triple valve B Circuit disconnection
Water pump M Circuit disconnection
< heat dissipation fan circuit disconnection >
The heating circuit of the heating ring heater is in a circulating on-off state
Open heating circuit of temperature-adjustable heating tube
6. Heating water outlet without instant heating pipe
< three-way valve 11 electric conduction >
< triple valve 9 circuit conduction >
M circuit conduction of water pump
< heat dissipation fan circuit disconnection >
Heating circuit disconnection of heating ring heater
Open heating circuit of temperature-adjustable heating tube
7. Instant heating pipe heating water outlet
< three-way valve 11 electric conduction >
< triple valve 9 circuit conduction >
M circuit conduction of water pump
< heat dissipation fan circuit disconnection >
Heating circuit disconnection of heating ring heater
Conduction of heating circuit of temperature-adjustable heating tube
The invention also provides a method for controlling instant heating and cooling, which comprises the following steps:
1. preliminary preparation work
(1) Plug-in power supply
The child lock switch S4 is locked by default, and the solenoid valve B is locked in an off state after the child lock switch S4 is locked; all waterway electromagnetic valves are in a disconnection state; the circuit of the circuit board is conducted and is in a working state; all temperature measuring couples are in a working state; the electric heating ring heater circuit is in a disconnected state; the temperature can be adjusted, namely, the heat pipe circuit is in a disconnected state.
2. The setting step: and setting a first set temperature or function according to requirements, wherein different functions correspond to corresponding water temperatures.
3. Water injection: the water injection device is used for injecting water into the water storage container through the water injection port, and all water paths and circuits are in an off state in the water injection process.
After the upper cover is opened, all waterway electromagnetic valves are locked in a disconnected state, the electric heating ring heater and the temperature-adjustable heating circuit, namely the heat pipe heating circuit, are simultaneously locked in the disconnected state, and the action state is suitable for any stage of the water machine during the operation when the upper cover is opened.
After the upper cover is opened, the electric water outlet and the collision water outlet are locked until the cover is closed and the water control by one key is finished, and the water outlet function is unlocked. Thereby ensuring that the water coming out is disinfected by boiling.
4. A water level detection step: for detecting the water level in the water storage container by the water level detecting means.
The water level sensor detects water shortage, the water shortage state indicator lamp is normally on after 2 seconds of flashing, all the waterway electromagnetic valves are locked in a disconnected state, the electric heating ring heater and the temperature-adjustable instant heating pipe heating circuit are simultaneously locked in the disconnected state, and the water level sensor detects no water shortage and is unlocked.
If the water level sensor checks that there is no lack of water, all circuits are not locked accordingly. When the water is not short of water, the TDS probe detects that the TDS exceeds the standard, the TDS exceeding indicator lamp continuously flickers for 10 seconds and then the water is changed by the aid of the normally-on prompt.
5. A first heating step: the water storage device is used for storing water to be heated to boiling by the first heating module;
6. and (3) circulating cooling: the cooling system is used for cooling boiled water in the water storage container to a first set temperature in a circulating manner through the cooling system in the waterway structure;
7. emptying the cooling system and extracting water: after the circulation cooling is finished, the cooling system stops working, the water in the water path structure is emptied through the water lifting device, and the water in the water path structure is lifted into the water storage container;
8. a water taking step: taking out water meeting the requirements of drinkers through a water intake;
9. a second heating step: for heating the water flowing through the intake to a second set temperature.
The water taking step is divided into two conditions, namely whether a second heating step is adopted or not, when a non-instant heating water outlet mode of the second heating step is not adopted, one-key water making is completed, after the water machine enters a constant temperature mode, a 'child lock' is pressed for a long time for unlocking, and water is discharged by pressing an 'electric water outlet' key or is discharged by touching a cup;
if the instant heating water outlet mode of the second heating step is adopted, the actual temperature of the water in the water tank does not reach the set temperature after replacement, if the water machine enters a constant temperature state, the water is discharged in an instant heating water outlet mode, and the water is directly heated to the set temperature through the temperature adjusting instant heating pipe to be discharged.
The operation of each operation mode will be described in detail below.
The default temperature mode of the present example is normal temperature water 25 ℃, and the 'water temperature mode' key is not required to be pressed when the mode is selected. Pressing the mode key S1 cycles through different temperature modes.
1. The operation process of the water preparation by one key is as follows:
(1) after the temperature mode is confirmed, pressing a 'one-key water making' key, and enabling the water machine to enter a water making state;
(2) after water in the water tank is dried, a temperature measuring couple at the bottom of the water tank sends a temperature signal to the MCU, the MCU controls the disconnection of the electric heating ring heating circuit, and meanwhile, the side PTC circuit directly cuts off the power of the electric heating ring heating circuit and enters an anti-dry heating protection mode when the temperature of the thermos reaches a disconnection temperature point. Namely double dry burning prevention protection;
(3) after entering a heating mode of 'water making by one key', the electric heating ring heater heats water in the thermos bottle, the 'temperature mode' key is in a locking state, and the locking state of the temperature mode is released until the 'heating water till ambient boiling' is finished;
(4) if the water is boiled, the boiling water temperature mode is selected, and the water does not need to enter a cooling system for circulating cooling, heat the water to boil, and then enter a constant temperature heat preservation state.
2. Other water temperature modes
Heating water to boil, and then directly entering a cooling system for circulating cooling;
a temperature measuring couple in the water tank provides the water temperature parameter of the thermos bottle to the microprocessor MCU in real time;
when the detected temperature of water in the water tank reaches a set temperature, the water machine enters a cooling system to empty and lift water;
after the cooling system is emptied of residual water, the water machine enters a constant temperature and heat preservation state.
3. Mode for changing water temperature
(1) When the water machine enters into the action state of "heating water to boiling" of one-key water making, the "temperature mode" key is in the function selection state,
locking state: after water in the water tank is dried, the temperature measuring couple at the bottom of the thermos bottle sends a temperature signal to the MCU, the MCU controls the disconnection of the electric heating ring heating circuit, and meanwhile, the lateral PTC circuit directly cuts off the power of the electric heating ring heating circuit when the temperature of the thermos bottle reaches a disconnection temperature point, and the dry burning prevention protection mode is entered. Namely double dry burning prevention protection.
(2) The temperature mode key is unlocked after the water is heated to boiling, the temperature mode needing to be changed can be selected by pressing the temperature mode key circularly, the selected temperature mode indicator lamp flickers for 5 seconds and then is normally on, the temperature is set, the temperature mode key enters a function locking state, the function locking of the temperature mode key is automatically unlocked after 1 minute, and the locking state operation is the same as the above.
(3) Comparing the actual water temperature of the water in the hot water bottle with the temperature after replacement after the temperature replacement mode is selected, if the actual water temperature is lower than the temperature after replacement, the MCU automatically detects the action control state of the water machine,
and (3.1) then entering a circulating cooling step, emptying and water extracting are carried out through the step of emptying and water extracting of the cooling system after the set temperature is reached, and the constant temperature state is entered after the emptying and water extracting are finished. (in a constant temperature state, the MCU detects that the actual temperature of the water in the thermos bottle is lower than the set temperature by 2 ℃, and the electric heating ring heater is automatically controlled to be heated to the set temperature).
And (3.2) when the water machine is in the state of the 'step of emptying and water lifting of the cooling system' in the item 3 of the action control flow, continuing the water lifting action, and enabling the water machine to enter a constant temperature state after the water lifting is finished.
And (3.3) when the water machine is in a constant temperature state, the MCU replaces the standard comparison temperature point in the constant temperature state.
And (3.4) when the temperature is changed, when the actual temperature of the water in the hot water bottle does not reach the set temperature after the change, if the water machine enters a constant temperature state, the outlet water adopts an instant heating outlet water mode of heating in the second heating step.
And (3.5) before the water machines (3.1) and (3.2) enter a constant temperature state, the water outlet function of the water machines is locked, the three-way electromagnetic valve circuit is locked in a disconnected state, and the locking is released after the water machines enter the constant temperature state.
And comparing the actual water temperature of the water in the thermos bottle with the temperature after replacement after the temperature replacement mode is selected, and directly switching the water machine into a circulating cooling state by the MCU if the actual water temperature is higher.
The working process of the circulating cooling of the invention is as follows:
(1) when the water is heated to 100 ℃, the annular heater 12 automatically stops working, the first three-way valve 11 is electrified, the 1-3 water channel is closed to the 2-3 water channel, and the 1-2 water channel is communicated; the three-way valve 9 is powered off, 1-3 of the three-way valve 9 is connected with 1-2 water channels, 2-3 water channels are connected, the water pump 8 is powered on, and the cooling fan 3 is connected for working.
(2) Water flows out of the water tank 5 through the water flow pressure generated by the operation of the water pump 8, enters the copper pipe 2 at one end of the cooling system through the one-way check valve 7, the 1-2 water paths of the first three-way valve 11, the water pump 8 and the 2-3 water paths of the three-way valve 9, flows out of the other end of the copper pipe 2, and flows back to the water tank 5 through the second one-way check valve 6.
(3) When hot water passes through the copper pipe 2 of the cooling system, the heat dissipation fans 2 on the two sides work simultaneously, the heat of the hot water is transferred to the copper pipe 2, the heat of the copper pipe 2 is transferred to the fins, the fins transfer the heat to air, the heat dissipation fan on one side of the fins blows in cold air in the environment on one side to the air circulation gaps of the fins, so that the heat exchange between the fins and the air is completed, and the heat dissipation fan on the other side sucks away the hot air.
The working principle of lifting and cleaning the residual water of the cooling system is as follows:
after the water heating is automatically detected to be reduced to a set temperature, the following working states are switched to:
the first three-way valve 11 is electrified, namely 1-3 is communicated with 1-2 water channels, and 2-3 water channels are communicated; the three-way valve 9 is powered off, namely 1-3 is closed to 1-2 water channels, and 2-3 water channels are connected; the water pump 8 is electrified to work, the cooling system cooling fan 3 is powered off, and the first heating device PTC is powered off.
The working principle of water heat preservation is as follows:
after the residual water in the automatic detection cooling system is drained, the following working states are carried out:
the first three-way valve 11 is electrified, namely 1-3 is communicated with 1-2 water channels, and 2-3 water channels are communicated; the three-way valve 9 is powered off, namely 1-3 is closed to 1-2 water channels, and 2-3 water channels are connected; the water pump 8 is electrified to work.
The cooling system radiator fan 3 enters a power-off state. The first heating device 12PTC enters a normally off state. If the required water temperature is 45.0 ℃, when the water temperature of the detection water tank is reduced to 44.0 ℃, the PTC is conducted for heating. When the temperature of the detected water in the water tank is heated to 46.0 ℃, the PTC is disconnected.
The invention has the following advantages:
1. the cooling system occupies small space, and a compression circulating cooling system with overlarge volume of a refrigerator air conditioner is not needed, so that the cooling system has the advantages that the volume can be made to be the same as that of a small desktop quick-heating and rapid-cooling water dispenser and a milk mixing bottle in the market, and the cooling system can be used as a milk mixing bottle product which is placed on a bed head and a desktop and is easy to move, and can also be used as a quick-heating and rapid-cooling water dispenser.
2. Compared with a direct cooling mode of water cooling and air cooling, the cooling time of the cooling system can be shortened to 1/10 by using a semiconductor cooling fin, the cooling time of 1L water from 100 ℃ to 45 ℃ is not longer than 8 minutes, and because the cooling time is short and devices such as a compressor and the semiconductor cooling fin are not arranged, the heat dissipation conduction process is simplified, the energy consumption in the cooling process is ultra-low, and the cooling system is a high-efficiency energy-saving environment-friendly product.
3. As the cooling of water is started from 100 ℃, the cooling water can be sterilized and disinfected at high temperature of hundreds percent, and the so-called yin-yang water which is formed by mixing cold water which is not heated and boiled and hot water in a warm manner and the yin-yang water bring great hidden troubles to children and all drinking people.
4. The quenched junction assembly is very low cost because no compression cycle system and no semiconductor heat sink are employed.
5. After all the cooling water is boiled and cooled, the sterilizing is performed in percent, and because the designed waterway system has the function of emptying the water in the extraction pipe, the residual water of the water dispenser is not stored, and the safety and the reliability of the constant temperature water used for adjusting the milk water every time can be ensured.
6. The water dispenser sets for constant temperature 45 ℃ of function, and the constant temperature is not through mixing hot and cold water heat preservation, also does not lead to boiling recooling mode many times, but through the heating of microprocessor MCU real time temperature control, can guarantee that the constant temperature water after a bottle of fever rapid cooling is aseptic for use many times, energy-concerving and environment-protective more.
The above-described embodiments are intended to be illustrative, and not restrictive, of the invention, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a cold promptly hot watering device promptly, includes water storage container, control panel and power module, its characterized in that: the water heater also comprises a waterway structure connected with the water storage container, wherein a first heating device used for heating water in the water storage container is arranged below the water storage container, a water level detection device and a first temperature detection device are arranged in the water storage container, a water filling port, a first water outlet and a first water inlet are arranged on the water storage container,
the water path structure comprises a water pumping device, a cooling system and a water lifting device for lifting water in the water path structure into a water storage container, wherein the first water outlet is connected with a water inlet of the water pumping device through a pipeline, a water outlet of the water pumping device is connected with a water inlet of the cooling system, a water outlet of the cooling system is connected with a first water inlet, one end of the water lifting device is connected with the water inlet of the cooling system, the other end of the water lifting device is communicated with air,
the control panel comprises an MCU and a heating control module, wherein the MCU is respectively connected with a water level detection device, a first temperature detection device, a water pumping device and a water lifting device, the output end of the MCU is connected with the input end of the heating control module, the output end of the heating control module is connected with the first heating device,
the power module supplies power to the whole device.
2. The instant heating and cooling water dispenser as set forth in claim 1, wherein: the water storage container is provided with a box body and an upper cover covering the box body, the water storage container is provided with an upper cover opening detection device, the upper cover opening detection device is connected with the MCU, and when the upper cover is opened, the MCU controls all the components to stop working.
3. The instant heating and cooling water dispenser as set forth in claim 2, wherein: the upper cover opening detection device is a Hall switch connected with the MCU, the Hall switch is arranged close to the upper cover, and a magnetic part matched with the Hall switch is arranged in the upper cover.
4. The instant heating and cooling water dispenser as set forth in claim 1, wherein: the instant-cooling and instant-heating water dispenser further comprises a water quality detection sensor arranged in the water storage container for detecting the water quality, and the output end of the water quality detection sensor is connected with the input end of the MCU.
5. The instant heating and cooling water dispenser as claimed in any one of claims 1-4, wherein: the water pumping device is a water pump, the water pumping device is an air pump, the water pump and the air pump are integrated into a water-air dual-purpose pump, a first three-way valve is arranged on a pipeline between the water pump and the first water outlet, a main inlet and a main outlet of the first three-way valve are respectively connected with the pipeline, a branch port is connected with an air inlet, an air outlet is formed in the upper portion of the water storage container, the air outlet is connected with the air inlet through an air pipe, a control panel is provided with an electromagnetic valve control module, and the MCU controls the first three-way valve through the electromagnetic valve control.
6. The instant heating and cooling water dispenser as set forth in claim 5, wherein: the instant cooling and heating water drinking device also comprises a water intake for discharging set water warm water, and the water intake is arranged on the water storage container;
alternatively, the first and second electrodes may be,
the water intake is arranged on a pipeline between the water pump and the cooling system through a communication port of the second three-way valve, and the MCU controls the second three-way valve through the electromagnetic valve control module.
7. The instant heating and cooling water dispenser as set forth in claim 6, wherein: and a second heating device is arranged on the wall of the pipeline arranged at the second water storage port, and the input end of the second heating device is connected with the output end of the heating control module.
8. The instant heating and cooling water dispenser as set forth in claim 7, wherein: the instant-cooling and instant-heating water dispenser further comprises a second temperature detection device, a third temperature detection device and a fourth temperature detection device, wherein the second temperature detection device, the third temperature detection device and the fourth temperature detection device are respectively used for detecting the water temperatures of the input end, the heating part and the output end of the second heating device.
9. A method for instant heating and cooling control based on the instant heating and cooling water dispenser according to any one of claims 1-8, characterized by comprising the following steps:
the setting step: setting a first set temperature or function according to requirements, wherein different functions correspond to corresponding water temperatures;
water injection: the water storage container is used for injecting water into the water storage container through the water injection port, and all water paths and circuits are in a disconnected state in the water injection process;
a water level detection step: the water level detection device is used for detecting the water level in the water storage container, and when water shortage in the water storage container is detected, all water paths and circuits are in normal working states; when water shortage is detected, all waterway structures are locked in a disconnected state, the first heating device is locked in the disconnected state until the water storage container is not short of water, and the locking is released;
a first heating step: the water storage device is used for storing water to be heated to boiling by the first heating module;
and (3) circulating cooling: the cooling system is used for cooling boiled water in the water storage container to a first set temperature in a circulating manner through the cooling system in the waterway structure;
emptying the cooling system and extracting water: and after the circulation cooling is finished, the cooling system stops working, the water in the water channel structure is emptied through the water lifting device, and the water in the water channel structure is lifted into the water storage container.
10. The immediate cold-hot control method as set forth in claim 9, further comprising:
a water taking step: taking out water meeting the requirements of drinkers through a water intake;
a second heating step: for heating the water flowing through the intake to a second set temperature.
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