CN106587406A - Hot and cold water dispensing purifier and control method thereof - Google Patents
Hot and cold water dispensing purifier and control method thereof Download PDFInfo
- Publication number
- CN106587406A CN106587406A CN201611012934.2A CN201611012934A CN106587406A CN 106587406 A CN106587406 A CN 106587406A CN 201611012934 A CN201611012934 A CN 201611012934A CN 106587406 A CN106587406 A CN 106587406A
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- water
- temperature
- heater
- storage tank
- cold
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Classifications
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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
- C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to a hot and cold water dispensing purifier and a control method thereof. The hot and cold water dispensing purifier structurally comprises a water purifying and supplying device, a water tank, a water dispensing temperature adjusting device and a control panel. The water purifying and supplying device comprises a water feeding pipe and a reverse osmosis filter element, the reverse osmosis filter element is provided with a water feeding port, a purified water port and a waste water port, the purified water port is communicated with the water tank, the water dispensing temperature adjusting device comprises a fast water heating device, the water feeding port is connected to the water feeding pipe through a water feeding valve, and the water tank is connected to the water dispensing temperature adjusting device through a pump; the waste water port is connected to a waste water valve, and the waterway communicated with the water tank is provided with a water level sensor detecting the water level of the water tank; the water feeding valve, the water dispensing temperature adjusting device, the pump and the water level sensor are connected to the control panel electrically. According to the hot and cold water dispensing purifier, the flowing speed of water can be controlled through the pump and the flow regulating valve, the heat exchange efficiency can be improved, heating can be implemented fast through the heating device, and the purpose of dispensing boiling water instantly can be achieved.
Description
Technical field
The present invention relates to a kind of cold/hot water water purifier, particularly a kind of cold/hot water water purifier and its control method.
Background technology
In recent years, water purification product was increasingly paid close attention to as health-oriented products by consumer, and water purification industry also exists therewith
Develop at high speed.Cold and hot type direct drinking water purifier, is increasingly welcome as high-end product by user.
The water mode of heating commonly used in net/water dispenser at present has built-in hot tank.Built-in hot tank is typically entered by heating wire
Row heating, then controls the start and stop of heating by temperature controller.This mode of heating often exists and heats asking of boiling repeatedly to water
Topic, on the one hand adds heat waster electric energy repeatedly, and another aspect long-term drink is heated repeatedly boils boiled water（" thousand boiling water "）It is unfavorable for
People's is healthy.Therefore start in recent years to rise instant heating technique, cold water is heated through heating tube moment, only uses
Just heat during water, do not heat during without water, which solves the problem of " thousand boiling water ".
A kind of existing cold and hot type water cleaner, other heating parts are built-in hot tank, there is a low work(inside hot tank
The heating wire of rate, current supply circuit and the mechanical temperature controller of heating wire are cascaded, and temperature controller is arranged on hot tank body.Work as water
When temperature is low, temperature controller closure, heating wire energization work；When water temperature reaches temperature controller working value, temperature controller disconnects, and heating wire breaks
Electricity quits work.
Heater described in technical scheme one, there is a problem of heating water repeatedly and boils, and heat waster is on the one hand added repeatedly
Electric energy, another aspect long-term drink is heated repeatedly boils boiled water（" thousand boiling water "）It is unfavorable for that people's is healthy.
The content of the invention
It is an object of the invention to overcome the shortcomings of that above-mentioned prior art is present, and provide a kind of simple and reasonable, section
Can efficient, the accurate cold/hot water water purifier of temperature control and its control method.
The object of the present invention is achieved like this：
Cold/hot water water purifier, including water purification water supply installation, storage tank, leaving water temperature adjusting means and panel, water purification supplies water
Device includes water inlet pipe and reverse osmosiss filter element, and reverse osmosiss filter element is provided with water inlet, pure water mouth and waste water mouth, pure water mouth and storage tank
Connection, leaving water temperature adjusting means includes rapid water heater, it is characterized in that, the water inlet is connected by water intaking valve with water inlet pipe
Connect, storage tank is by the connection of suction pump, flow control valve and leaving water temperature adjusting means；Waste water mouth is connected with wastewater valve, water storage
The water route for connecting in case or with storage tank is provided with the level sensor for detecting water storage tank water level；Water intaking valve, leaving water temperature
Adjusting means, suction pump, wastewater valve and level sensor are electrically connected with respectively with panel.Described level sensor is examined in real time
The real time water level of storage tank is surveyed, and the water level information of storage tank is sent to into control chip.Described suction pump is storage tank
Water is extracted into heater and is heated, by the rotating speed for adjusting suction pump, can be with adjusting water outlet flow velocity.
The purpose of the present invention can also be solved using following technical measures：
As more specifically scheme, between the water inlet and water inlet pipe of the reverse osmosiss filter element preposition filter element and supercharging are also associated with
Pump, is also associated with rearmounted filter element between the pure water mouth of reverse osmosiss filter element and storage tank.
The rapid water heater includes water boiling vessels and heater, and heater is arranged on water boiling vessels outer surface, controls
Plate is provided with the heating power supply circuits for powering to the heater of rapid water heater.
The panel is provided with mechanical type anti-dry circuit, and mechanical type anti-dry circuit connected in series is in rapid water heater and adds
Between hot power supply circuits；The mechanical type anti-dry circuit is provided with temperature controller, and temperature controller is arranged on water boiling vessels outer surface and leans on
Nearly heater.
The temperature controller is Kick type temperature controller（Kick type temperature controller is closed type temperature detect switch (TDS), is serially connected in heater
In current supply circuit, when mechanical thermostat disconnects, heater loses electric power and stops heating）Or fuse.
The panel is provided with for the electronic type anti-dry control circuit of control heating power supply circuits, and the electronic type is prevented
Dry combustion method control circuit is provided with temperature detector, and temperature detector is arranged on heater.
The temperature detector is temperature sensor.
The electronic type anti-dry control circuit is additionally provided with control chip and relay, relay include relay coil and after
Electric switch, relay coil and temperature sensor are electrically connected with respectively with control chip, and relay switch is arranged on heating power supply circuits
On.Temperature sensor can real-time detect the temperature of heater surfaces, and temperature information is sent to into control chip.Control core
The function of piece can be very huge, and it can collect the information of each sensor, and control the heating of heater and close.
By way of arranging two kinds of anti-dry of Mechanical course and Electronic Control, its is safe and reliable.Electronic Control anti-dry
Mode be to respond rapid characteristic using temperature detector, when the moment of rapid water heating device soon close dry combustion method temperature, temperature detection
Device transmits signals to control circuit, and by control circuit the order of power-off is quickly made, so as to realize not doing in temperature controller
Go out when reacting and first rapid water heating device to be protected；And temperature controller is then the breaker device of an auxiliary, for example, electronics is anti-dry
When burning circuit failure, then rapid water heating device is protected by mechanical type anti-dry circuit.
Used as further scheme, the rapid water heater is provided with water inlet and outlet, water inlet by suction pump,
Water flow sensing unit is connected with storage tank, and water flow sensing unit is electrically connected with panel.Described water flow sensing unit perceives storage tank
To the water between rapid water heater whether in flowing, and flow information of water is sent to into control chip.Flow control valve can be adjusted
The size that section valve is opened, and then adjusting water outlet flow velocity.
As further scheme, flow control valve, flow are also associated between the rapid water heater and storage tank
Regulating valve is electrically connected with panel.The size that flow control valve can be opened with control valve, and then adjusting water outlet flow velocity.
A kind of control method of cold/hot water water purifier, is characterized in that, the water level of level sensor real-time detection storage tank,
When water storage tank water level reaches controlling the water circulation priming level, water purification water supply installation starts controlling the water circulation pattern；When water storage tank water level reaches full water
During position, water purification water supply installation stops controlling the water circulation pattern, and starts rinse mode；Wherein, during controlling the water circulation pattern, water intaking valve is powered and opens,
Wastewater valve is closed；During rinse mode, water intaking valve is powered and opens, and wastewater valve is opened, when having made water flushing end and being standby, water intaking valve
Power-off is closed, and wastewater valve power-off is closed.
When user takes cold water, start suction pump and draw water, rapid water heater does not start；When user takes warm water
When, start suction pump and draw water, while starting rapid water heater water outlet；Wherein, hot water temperature's control is as follows：Panel starts to be taken out
Water pump, starts heater, temperature sensor real-time detection leaving water temperature, and water temperature information is sent to into panel, panel root
According to the water temperature that user sets, the flow velocity of suction pump is automatically adjusted, make leaving water temperature reach user's setting value, when water temperature is less than setting
Value, reduces the flow rate pump that draws water；When water temperature is higher than setting value, increase the flow rate pump that draws water.
When level sensor detects storage tank hydropenia, panel control rapid water heater stops heating；Work as temperature
When sensor detects the temperature of heater surfaces more than setting value safe threshold, panel control rapid water heater stops adding
Heat；When the temperature on rapid water heater surface reaches the working value of temperature controller, temperature controller disconnects, and rapid water heater stops adding
Heat.
Beneficial effects of the present invention are as follows：
（1）Such cold/hot water water purifier is due to water purification water supply installation（Screening system）, can be by closing rapid water heating
Device and go out the cold water that can directly drink（Normal-temperature water）, and when starting rapid water heater, due to can be with reference to suction pump control
The flow velocity of water, so that thermal conversion efficiency is improved, further saves energy, whole heater can be heated quickly,
The purpose of output boiled water immediately is reached, can be prevented " thousand boiling water ", it is ensured that drinking-water health.
Description of the drawings
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is another embodiment of the present invention structural representation.
Fig. 3 is further embodiment of this invention structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment one, shown in Figure 1, cold/hot water water purifier, including water purification water supply installation 9, storage tank 2, leaving water temperature are adjusted
Regulating device and panel, water purification water supply installation 9 includes water inlet pipe 10 and reverse osmosiss filter element 92, and reverse osmosiss filter element 92 is provided with into water
Mouth, pure water mouth and waste water mouth, pure water mouth is connected with storage tank 2, and leaving water temperature adjusting means includes rapid water heater 5, and it is special
Levying is, the water inlet is connected by water intaking valve 94 with water inlet pipe 10, and storage tank 2 adjusts dress by suction pump 4 with leaving water temperature
Put connection；Waste water mouth is connected with the water route for connecting in wastewater valve 96, storage tank 2 or with storage tank 2 and is provided with for detecting water storage
The level sensor 1 of the water level of case 2；Water intaking valve 94, leaving water temperature adjusting means, suction pump 4, wastewater valve 96 and level sensor 1
It is electrically connected with panel respectively.Wastewater valve 96 is connected with waste pipe 97.
Preposition filter element 91 and booster pump 95 are also associated between the water inlet and water inlet pipe 10 of the reverse osmosiss filter element 92, instead
Rearmounted filter element 93 is also associated between the pure water mouth and storage tank 2 of infiltration filter element 92.
The rapid water heater 5 includes water boiling vessels and heater, and heater is arranged on water boiling vessels outer surface, controls
Plate is provided with the heating power supply circuits for powering to the heater of rapid water heater 5.
The panel is provided with mechanical type anti-dry circuit, mechanical type anti-dry circuit connected in series rapid water heater 5 with
Between heating power supply circuits；The mechanical type anti-dry circuit is provided with temperature controller 6, and temperature controller 6 is arranged on water boiling vessels outer surface
And near heater.
The temperature controller 6 is Kick type temperature controller.
The panel is provided with for the electronic type anti-dry control circuit of control heating power supply circuits, and the electronic type is prevented
Dry combustion method control circuit is provided with temperature detector, and temperature detector is arranged on heater.The temperature detector is temperature sensor 7.
The electronic type anti-dry control circuit is additionally provided with control chip and relay, relay include relay coil and after
Electric switch, relay coil and temperature sensor 7 are electrically connected with respectively with control chip, and relay switch is arranged on heating power supply circuits
On.
A kind of control method of cold/hot water water purifier, the water level of the real-time detection storage tank 2 of level sensor 1, works as water storage
When the water level of case 2 reaches controlling the water circulation priming level, water purification water supply installation 9 starts controlling the water circulation pattern；When the water level of storage tank 2 reaches full-water level
When, water purification water supply installation 9 stops controlling the water circulation pattern, and starts rinse mode；Wherein, during controlling the water circulation pattern, water intaking valve 94 is powered and opens,
Wastewater valve 96 is closed；During rinse mode, water intaking valve 94 is powered and opens, and wastewater valve 96 is opened, when having made water flushing end and being standby,
The power-off of water intaking valve 94 is closed, and the power-off of wastewater valve 96 is closed.
User passes through guidance panel（Guidance panel is electrically connected with panel）Leaving water temperature, water yield etc. are set, when with
When cold water is taken at family, start suction pump 4 and draw water, rapid water heater 5 does not start；When user takes warm water, startup is drawn water
Pump 4 draws water, while starting the water outlet of rapid water heater 5；Wherein, hot water temperature's control is as follows：Panel starts suction pump 4, opens
Dynamic heater, the real-time detection leaving water temperature of temperature sensor 7, and water temperature information is sent to into panel, panel is according to user
The water temperature of setting, automatically adjusts the flow velocity of suction pump 4, makes leaving water temperature reach user's setting value, when water temperature is less than setting value, subtracts
The flow velocity of little suction pump 4；When water temperature is higher than setting value, increase the flow velocity of suction pump 4.
When level sensor 1 detects 2 hydropenia of storage tank, panel control rapid water heater 5 stops heating；Work as temperature
When degree sensor 7 detects the temperature of heater surfaces more than setting value safe threshold, panel control rapid water heater 5 stops
Only heat；When the temperature on the surface of rapid water heater 5 reaches the working value of temperature controller 6, temperature controller 6 disconnects, rapid water heating
Device 5 stops heating.
Embodiment two, be with the difference of embodiment one：Shown in Figure 2, the rapid water heater 5 is provided with water inlet
And outlet, water inlet connected by suction pump 4, water flow sensing unit 3 with storage tank 2, and water flow sensing unit 3 electrically connects with panel
Connect.When water flow sensing unit 3 is perceived does not have current in water route, panel control heating power supply circuits are to rapid water heater 5
Power supply is disconnected, the dry combustion method of rapid water heater 5 is prevented.
Embodiment three, be with the difference of embodiment one：It is shown in Figure 3, the rapid water heater 5 and storage tank 2
Between be also associated with flow control valve 8, flow control valve 8 is electrically connected with panel.Flow control valve can be beaten with control valve
The size opened, and then adjusting water outlet flow velocity.
Claims (10)
1. cold/hot water water purifier, including water purification water supply installation（9）, storage tank（2）, leaving water temperature adjusting means and panel,
Water purification water supply installation（9）Including water inlet pipe（10）With reverse osmosiss filter element（92）, reverse osmosiss filter element（92）It is provided with water inlet, pure water mouth
With waste water mouth, pure water mouth and storage tank（2）Connection, leaving water temperature adjusting means includes rapid water heater（5）, it is characterized in that,
The water inlet passes through water intaking valve（94）With water inlet pipe（10）Connection, storage tank（2）By suction pump（4）Adjust with leaving water temperature
Device connects；Waste water mouth is connected with wastewater valve（96）, storage tank（2）Interior or and storage tank（2）The water route of connection be provided with for
Detection storage tank（2）The level sensor of water level（1）；Water intaking valve（94）, leaving water temperature adjusting means, suction pump（4）, wastewater valve
（96）And level sensor（1）It is electrically connected with panel respectively.
2. cold/hot water water purifier according to claim 1, is characterized in that, the rapid water heater（5）Including appearance to boil water
Device and heater, heater is arranged on water boiling vessels outer surface, and panel is provided with for rapid water heater（5）Heater
The heating power supply circuits of power supply.
3. cold/hot water water purifier according to claim 2, is characterized in that, the panel is provided with mechanical type anti-dry electricity
Road, mechanical type anti-dry circuit connected in series is in rapid water heater（5）Between heating power supply circuits；The mechanical type anti-dry electricity
Road is provided with temperature controller（6）, temperature controller（6）It is arranged on water boiling vessels outer surface and near heater, the temperature controller（6）For kick
Formula temperature controller（6）.
4. the cold/hot water water purifier according to Claims 2 or 3, is characterized in that, the panel is provided with for controlling heating
The electronic type anti-dry control circuit of power supply circuits, the electronic type anti-dry control circuit is provided with temperature detector, and temperature detector is arranged
On heater.
5. cold/hot water water purifier according to claim 4, is characterized in that, the temperature detector is temperature sensor（7）, it is described
Electronic type anti-dry control circuit is additionally provided with control chip and relay, and relay includes relay coil and relay switch, relay
Coil and temperature sensor（7）It is electrically connected with control chip respectively, relay switch is arranged on heating power supply circuits.
6. cold/hot water water purifier according to claim 5, is characterized in that, the rapid water heater（5）It is provided with water inlet
And outlet, water inlet is by suction pump（4）, water flow sensing unit（3）With storage tank（2）Connection, water flow sensing unit（3）With control
Plate is electrically connected with.
7. cold/hot water water purifier according to claim 1, is characterized in that, the rapid water heater（5）With storage tank（2）
Between be also associated with flow control valve（8）, flow control valve（8）It is electrically connected with panel.
8. a kind of control method of the water purifier of cold/hot water according to claim 5, is characterized in that, level sensor（1）It is real
When detect storage tank（2）Water level, work as storage tank（2）When water level reaches controlling the water circulation priming level, water purification water supply installation（9）Start system
Aqueous mode；Work as storage tank（2）When water level reaches full-water level, water purification water supply installation（9）Stop controlling the water circulation pattern, and start flushing mould
Formula；Wherein, during controlling the water circulation pattern, water intaking valve（94）It is powered and opens, wastewater valve（96）Close；During rinse mode, water intaking valve（94）It is logical
Electricity is opened, wastewater valve（96）Open, when having made water flushing end and being standby, water intaking valve（94）Power-off is closed, wastewater valve（96）It is disconnected
It is electrically turn off.
9. the control method of cold/hot water water purifier according to claim 8, is characterized in that, when user takes cold water, open
Dynamic suction pump（4）Draw water, rapid water heater（5）Do not start；When user takes warm water, start suction pump（4）Draw water, together
Shi Qidong rapid water heaters（5）Water outlet；Wherein, hot water temperature's control is as follows：Panel starts suction pump（4）, start heating
Device, temperature sensor（7）Real-time detection leaving water temperature, and water temperature information is sent to into panel, panel sets according to user
Water temperature, automatically adjust suction pump（4）Flow velocity, make leaving water temperature reach user's setting value, when water temperature be less than setting value, reduce
Suction pump（4）Flow velocity；When water temperature is higher than setting value, increase suction pump（4）Flow velocity.
10. the control method of cold/hot water water purifier according to claim 8 or claim 9, is characterized in that, work as level sensor（1）
Detect storage tank（2）During hydropenia, panel control rapid water heater（5）Stop heating；Work as temperature sensor（7）Detect
When the temperature of heater surfaces exceedes setting value safe threshold, panel control rapid water heater（5）Stop heating；When quick
Water heater（5）The temperature on surface reaches temperature controller（6）Working value when, temperature controller（6）Disconnect, rapid water heater（5）Stop
Only heat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012934.2A CN106587406A (en) | 2016-11-17 | 2016-11-17 | Hot and cold water dispensing purifier and control method thereof |
| PCT/CN2017/109074 WO2018090834A1 (en) | 2016-11-17 | 2017-11-02 | Cold and hot outlet water purifier and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012934.2A CN106587406A (en) | 2016-11-17 | 2016-11-17 | Hot and cold water dispensing purifier and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106587406A true CN106587406A (en) | 2017-04-26 |
Family
ID=58591521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611012934.2A Pending CN106587406A (en) | 2016-11-17 | 2016-11-17 | Hot and cold water dispensing purifier and control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106587406A (en) |
| WO (1) | WO2018090834A1 (en) |
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| WO2018090834A1 (en) * | 2016-11-17 | 2018-05-24 | 佛山市云米电器科技有限公司 | Cold and hot outlet water purifier and control method therefor |
| CN109455864A (en) * | 2018-12-26 | 2019-03-12 | 上海禅睿实业有限公司 | A kind of split type water purifier having heating function |
| CN109916650A (en) * | 2019-03-22 | 2019-06-21 | 中国家用电器研究院 | A kind of device for water purifier test |
| CN112209512A (en) * | 2019-07-10 | 2021-01-12 | 魏斯瓦瑟环境技术（嘉兴）有限公司 | Water purification system |
| WO2022057441A1 (en) * | 2020-09-18 | 2022-03-24 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier control method, control device, electronic apparatus, readable storage medium, and water purifier |
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| CN201481091U (en) * | 2009-04-13 | 2010-05-26 | 周奇迪 | Rapid heating type deep purification water generator |
| CN202386503U (en) * | 2011-11-15 | 2012-08-22 | 深圳市英尼克电器有限公司 | Dual-purpose cold and hot water purifying dispenser |
| CN105413466A (en) * | 2015-12-21 | 2016-03-23 | 日出东方太阳能股份有限公司 | Water purifier and low-temperature temperature compensation system thereof |
| CN206173122U (en) * | 2016-11-17 | 2017-05-17 | 佛山市云米电器科技有限公司 | Cold and hot water water purifier |
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| WO2018090834A1 (en) * | 2016-11-17 | 2018-05-24 | 佛山市云米电器科技有限公司 | Cold and hot outlet water purifier and control method therefor |
| CN109455864A (en) * | 2018-12-26 | 2019-03-12 | 上海禅睿实业有限公司 | A kind of split type water purifier having heating function |
| CN109916650A (en) * | 2019-03-22 | 2019-06-21 | 中国家用电器研究院 | A kind of device for water purifier test |
| CN109916650B (en) * | 2019-03-22 | 2020-12-15 | 中国家用电器研究院 | Device for testing water purifier |
| CN112209512A (en) * | 2019-07-10 | 2021-01-12 | 魏斯瓦瑟环境技术（嘉兴）有限公司 | Water purification system |
| WO2022057441A1 (en) * | 2020-09-18 | 2022-03-24 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier control method, control device, electronic apparatus, readable storage medium, and water purifier |
| CN114246472A (en) * | 2020-09-23 | 2022-03-29 | 杭州九阳净水***有限公司 | Instant heating machine and water production control method thereof |
| CN114246472B (en) * | 2020-09-23 | 2024-06-04 | 杭州九阳净水***有限公司 | Instant heating machine and water making control method thereof |
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