CN202386503U - Dual-purpose cold and hot water purifying dispenser - Google Patents
Dual-purpose cold and hot water purifying dispenser Download PDFInfo
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- CN202386503U CN202386503U CN2011204513234U CN201120451323U CN202386503U CN 202386503 U CN202386503 U CN 202386503U CN 2011204513234 U CN2011204513234 U CN 2011204513234U CN 201120451323 U CN201120451323 U CN 201120451323U CN 202386503 U CN202386503 U CN 202386503U
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Abstract
An embodiment of the utility model discloses a dual-purpose cold and hot water purifying dispenser, which is used for providing cold drinking water and hot drinking water, avoids water scale generated during heating, does not need frequent heating, saves energy and reduces consumption. The dual-purpose cold and hot water purifying dispenser comprises a clean water tank, a hot water tank, a reverse osmosis water purifier, a heater, a water inlet electromagnetic valve, a cold water level sensor, a hot water level sensor, a temperature sensor, a clean water feeding tube and a hot water tank water supply tube.
Description
Technical field
The utility model relates to the boiler field, relates in particular to a kind of cold, hot two-purpose pure water boiler.
Background technology
The water source that existing ordinary hot water tank uses is running water, directly running water is heated to supply to drink, and does not possess the function of purifying waste water; The ordinary hot water tank is directly heated by running water, thereby is prone to produce a large amount of incrustation scales, causes boiler contaminated, and the electrothermal tube fouling explosion that very easily causes boiler of a large amount of incrustation scales, makes the lost of life of boiler, has reduced security and the maintain and replace difficulty used.
Existing ordinary hot water tank is for a large amount of hot water of guaranteeing supply, and the storage tank of boiler is very big, and insulation is not enough; When water cools off, can the water in the boiler be heated once more, frequently heating so repeatedly causes power consumption serious; And the water that repeats to heat is drunk, and also brings health hazard to human body.
Existing ordinary hot water tank can only hot-water supply, and supply when can't realize cold drinking liquid and hot drink water uses very inconvenient.
The utility model content
The utility model embodiment provides a kind of cold, hot two-purpose pure water boiler, is used to provide cold and hot two kinds of water for straight drink, produces incrustation scale when avoiding heating, and need not frequent heating, saves consumption reduction.
The cold, hot two-purpose pure water boiler that the utility model embodiment provides comprises:
Clear water tank, hot-water cylinder, reverse osmosis water purifier, heater, entering water electromagnetic valve, cold water level sensor, hot water level sensor, temperature sensor, water purification feed pipe, hot-water cylinder feed pipe, wherein,
Said clear water tank links to each other with said reverse osmosis water purifier through said water purification feed pipe, said reverse osmosis water purifier be used for when height of water level that said cold water level sensor detects said clear water tank be lower than said clear water tank preset high water level the time to said clear water tank water supply;
Said clear water tank links to each other with said hot-water cylinder through said hot-water cylinder feed pipe; Said entering water electromagnetic valve be used for when height of water level that said hot water level sensor detects said hot-water cylinder be lower than said hot-water cylinder preset low water level the time open, supply water to said hot-water cylinder by said clear water tank;
Said heater is positioned at the bottom of said hot-water cylinder, said heater be used for when height of water level that said hot water level sensor detects said hot-water cylinder be higher than said hot-water cylinder preset low water level the time water in the said hot-water cylinder heated;
Said temperature sensor; The temperature that is used for water in detecting said hot-water cylinder be higher than said hot-water cylinder preset high-temperature the time control said entering water electromagnetic valve and open by said clear water tank and supply water to said hot-water cylinder; In detecting said hot-water cylinder the temperature of water be lower than said hot-water cylinder preset high-temperature the time control said entering water electromagnetic valve and close, said temperature sensor is located in the said hot-water cylinder.
Can find out that from above technical scheme the utility model embodiment has the following advantages:
Cold, hot two-purpose pure water boiler in the utility model is produced to be stored in behind the water that can directly drink by reverse osmosis water purifier again and can supply to drink normal-temperature water in the clear water tank; Through heater the water in the hot-water cylinder is heated; Temperature sensor detect the temperature of water in the hot-water cylinder be higher than hot-water cylinder preset high-temperature the time control entering water electromagnetic valve open by clear water tank and supply water to hot-water cylinder; Temperature sensor detect the temperature of water in the hot-water cylinder be lower than hot-water cylinder preset high-temperature the time control entering water electromagnetic valve close; Water temperature is controlled by temperature sensor in the hot-water cylinder, can avoid frequent heating, reduces energy consumption.
Description of drawings
The structural representation of the cold, hot two-purpose pure water boiler that Fig. 1 provides for the utility model embodiment;
The composition structural representation of the heater that Fig. 2 provides for the utility model embodiment.
The specific embodiment
The utility model embodiment provides a kind of cold, hot two-purpose pure water boiler, is used to provide cold and hot two kinds of water for straight drink, produces incrustation scale when avoiding heating, and need not frequent heating, saves consumption reduction.
For making that goal of the invention, characteristic, the advantage of the utility model can be more obvious and understandable; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, the embodiments described below only are the utility model part embodiment, but not whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those skilled in the art obtained belongs to the scope that the utility model is protected.
Below in conjunction with accompanying drawing 1; The cold, hot two-purpose pure water boiler that the utility model embodiment is provided is elaborated; As shown in Figure 1; The cold, hot two-purpose pure water boiler that the utility model embodiment provides comprises: clear water tank 6, hot-water cylinder 11, reverse osmosis water purifier 1, heater 19, entering water electromagnetic valve 21, cold water level sensor 7, hot water level sensor 14, temperature sensor 12, water purification feed pipe 2, hot-water cylinder feed pipe 9, wherein
Heater 19 is positioned at the bottom of hot-water cylinder 11, heater 19 be used for when height of water level that hot water level sensor 14 detects hot-water cylinder 11 be higher than hot-water cylinder 11 preset low water level the time water in the hot-water cylinder 11 heated.
Need to prove that among the utility model embodiment, clear water tank 6 volume for hot-water cylinder 11 is bigger; For example; The volume of clear water tank 6 can be 40 liters, and the volume of hot-water cylinder 11 can be 15 liters, adopts less hot-water cylinder to help insulation; Can realize supplying water because hot-water cylinder is less, can realize continuing heating or stepping heating by bigger clear water tank.
Wherein, For clear water tank 6; The low water level that presets that presets high water level and clear water tank of clear water tank is set respectively by cold water level sensor 7; The high water level that presets of clear water tank is the higher level that the volume of the clear water tank that is provided with of cold water level sensor 7 can bear; The height of water level that detects clear water tank when cold water level sensor 7 be lower than clear water tank preset high water level the time, supply water to clear water tank 6 by reverse osmosis water purifier 1, clear water tank preset the lower limit that low water level is water capacity remaining in the clear water tank that is provided with of cold water level sensor 7; The height of water level that detects clear water tank when cold water level sensor 7 be lower than clear water tank preset low water level the time, clear water tank 6 will reduce to the amount that hot-water cylinder 11 supplies water.
Reverse osmosis water purifier 1 among the utility model embodiment be used for when height of water level that cold water level sensor 7 detects clear water tank 6 be lower than clear water tank 6 preset high water level the time supply water to clear water tank 6; Reverse osmosis water purifier 1 can be made pure water; And be transported in the clear water tank 6 through water purification feed pipe 2; Because storage is the pure water that reverse osmosis water purifier 1 is made in the clear water tank 6 and since pure water in reverse osmosis water purifier 1 through filtration, purification, removed the impurity in the water; When these pure water being transported to when heating in the hot-water cylinder 11; Just can not produce incrustation scale, avoid being easy to generate a large amount of incrustation scales, causing the problem of the electrothermal tube fouling explosion that very easily causes boiler of the contaminated and a large amount of incrustation scales of boiler, use safer as common potable water tank of the prior art.
Wherein, For hot-water cylinder 11; The high water level that presets that presets low water level and hot-water cylinder of hot-water cylinder is set respectively by hot water level sensor 14; Hot-water cylinder preset the lower limit that low water level is water capacity remaining in the hot-water cylinder 11 that is provided with of hot water level sensor 14; The height of water level that detects hot-water cylinder 11 when hot water level sensor 14 be lower than hot-water cylinder 11 preset low water level the time open, supply water to hot-water cylinder 11 by clear water tank 6, the height of water level that detects hot-water cylinder 11 when hot water level sensor 14 be higher than hot-water cylinder 11 preset low water level the time heat by the water in 19 pairs of hot-water cylinders 11 of heater.The high water level that presets of hot-water cylinder is the higher level that the volume of the hot-water cylinder that is provided with of hot water level sensor 14 can bear, the height of water level that detects hot-water cylinder 11 when hot water level sensor 14 be higher than hot-water cylinder 11 preset high water level the time control entering water electromagnetic valve 21 close.
The temperature sensor 12 that the utility model embodiment provides; The temperature that is used for water in detecting hot-water cylinder 11 be higher than hot-water cylinder 11 preset high-temperature the time control entering water electromagnetic valve 21 open by clear water tank 6 and supply water to hot-water cylinder 11; The temperature of water is lower than presetting high-temperature time control entering water electromagnetic valve 21 being closed of hot-water cylinder 11 in detecting hot-water cylinder 11; Temperature sensor 12 is located in the hot-water cylinder 11; Temperature sensor 12 can be provided with the high-temperature that presets of hot-water cylinder; Presetting high-temperature is the ceiling temperature that heater 19 adds hot water in the hot-water cylinder 11; For example can be set between critical boiling 85 degree to 95 degree, when detecting hot-water cylinder 11 in the temperature of water be higher than hot-water cylinder 11 preset high-temperature the time control entering water electromagnetic valve 21 open by clear water tank 6 and supply water to hot-water cylinder 11, in detecting hot-water cylinder 11 temperature of water be lower than hot-water cylinder 11 preset high-temperature the time control entering water electromagnetic valve 21 and close.
Need to prove; Among the utility model embodiment; Heater 19 is positioned at the bottom of hot-water cylinder 11, heater 19 be used for when height of water level that hot water level sensor 14 detects hot-water cylinder 11 be higher than hot-water cylinder 11 preset low water level the time water in the hot-water cylinder 11 heated, in practical application; As shown in Figure 2; Heater 19 can comprise two electrothermal tubes: first electrothermal tube 1901 and second electrothermal tube 1902, the height of water level that detects hot-water cylinder 11 when hot water level sensor 14 be higher than hot-water cylinder preset low water level the time, if cold water level sensor 7 detect the height of water level of clear water tank 6 be higher than clear water tank preset low water level the time; Jointly the water in the hot-water cylinder is carried out Instant heating type heating by first electrothermal tube 1901 and second electrothermal tube 1902, realize the water Fast Heating in the hot-water cylinder.The height of water level that detects clear water tank 6 when cold water level sensor 7 be lower than clear water tank preset low water level the time, carry out the step-by-step movement heating by the water in first electrothermal tube 1901 or 1902 pairs of hot-water cylinders of second electrothermal tube 11, promptly one of them in two electrothermal tubes stopped using; Heating power reduces half the; Heat simultaneously by two electrothermal tubes and to become the heating of electrothermal tube, when the height of water level of clear water tank 6 surpass clear water tank preset low water level the time, recover two electrothermal tubes and heat simultaneously; For example; Heater 19 in the utility model adopts 2 groups of electrothermal tubes that power all is 6kw, when the water level of clear water tank 6 be lower than clear water tank preset low water level the time, only use one group of electrothermal tube; Power is reduced to 6kw automatically from 12kw, becomes instant heating and is the stepping heating.When the water level of clear water tank surpass clear water tank preset low water level the time, recover 2 groups of electrothermal tubes heating of 12kw altogether.When needs use hot drink water, can open hot water tap 17, hot water flows out through hot-water line 18.Hot water level sensor 14 detects the water level reduction simultaneously, opens entering water electromagnetic valve 21, is continued to supply water to hot-water cylinder 11 by clear water tank 6.
Need to prove; Cold, hot two-purpose pure water boiler among the utility model embodiment can also comprise: ultraviolet sterilizer 5; Ultraviolet sterilizer 5 is used for the water that flows out from clear water tank 6 is carried out sterilization, and is as shown in Figure 1, and 5 pairs of ultraviolet sterilizers carry out sterilization with pure water in the normal-temperature water outlet pipe 4 that clear water tank 6 links to each other; When needs use the normal temperature drinking water; Open normal-temperature water tap 3, the normal temperature water purification is just through normal-temperature water outlet pipe 4, and outflow supplies to drink after 5 sterilizations of process ultraviolet sterilizer.
Need to prove that the cold, hot two-purpose pure water boiler among the utility model embodiment can also comprise: U type pipe 15, U type pipe 15 is connected with the bottom of hot-water cylinder 11; Hot water level sensor 14 is in the U type pipe 15, and is as shown in Figure 1, and the water in the hot-water cylinder 11 gets in the U type pipe 15 through U type pipe 15; Because hot water level sensor 14 is in the U type pipe 15, just can detect the height of water in the hot-water cylinder, to be heated temperature very high owing to water in the hot-water cylinder; If directly hot water level sensor 14 is placed hot-water cylinder 11; Can reduce the working life of hot water level sensor 14, but, just can address this problem through U type pipe 15.
Need to prove that the cold, hot two-purpose pure water boiler among the utility model embodiment can also comprise: flow-limiting valve 20, flow-limiting valve 20 is installed on the hot-water cylinder feed pipe 9, is used to control the discharge that clear water tank 6 supplies water to hot-water cylinder 11.When entering water electromagnetic valve 21 is opened, regulate flow-limiting valve 20, can control the speed that water gets into the water of hot-water cylinder 11, realize that 11 pairs of water of hot-water cylinder carry out instant heating heating and stepping heating.
Need to prove that the cold, hot two-purpose pure water boiler among the utility model embodiment can also comprise: hot-water cylinder steam pipe 10, hot-water cylinder steam pipe 10 are used for that the steam that hot-water cylinder 11 produces is input to clear water tank 6 and are liquefied as water.As shown in Figure 1, hot-water cylinder steam pipe 10 links to each other with the top of hot-water cylinder 11, links to each other with the top of clear water tank 6, when heater 19 adds hot water, can produce steam, gets in the clear water tank 6 through hot-water cylinder steam pipe 10 and is cooled to water, not waste water resource.
Need to prove that the cold, hot two-purpose pure water boiler among the utility model embodiment can also comprise: control heater 19 stopped heating when overtemperature controller 16, overtemperature controller 16 were used to detect 19 dry combustion methods of hot-water cylinder 11 internal heaters.The setting of overtemperature controller 16 can be played the safety guarantee effect; If control heater 19 stops heating during heater 19 dry combustion methods; Be that heater 19 contact with water and stops heating by overtemperature controller 16 control heaters 19 when heat, play the safe effect of assurance.
Need to prove; Cold, hot two-purpose pure water boiler among the utility model embodiment can also comprise: clear water tank overflow pipe 8; Clear water tank overflow pipe 8 is positioned at the top of clear water tank 6; As shown in Figure 1, after the water yield that the water in the clear water tank 6 can bear above clear water tank 6, can overflow through clear water tank overflow pipe 8.
Cold, hot two-purpose pure water boiler in the utility model is produced to be stored in behind the water that can directly drink by reverse osmosis water purifier again and can supply to drink normal-temperature water in the clear water tank; Through heater the water in the hot-water cylinder is heated; Temperature sensor detect the temperature of water in the hot-water cylinder be higher than hot-water cylinder preset high-temperature the time control entering water electromagnetic valve open by clear water tank and supply water to hot-water cylinder; Temperature sensor detect the temperature of water in the hot-water cylinder be lower than hot-water cylinder preset high-temperature the time control entering water electromagnetic valve close; Water temperature is controlled by temperature sensor in the hot-water cylinder, can avoid frequent heating, reduces energy consumption.
Need to prove; In the utility model embodiment, adopt to become power and become mode of heating to ensure that not only complete machine normally moves, and through combining stepping heating and two kinds of mode of heatings of instant heating heating; Make 90% hot water realize Instant heating type heating; Preferred embodiment for the volume of hot-water cylinder be clear water tank volume 1/2 to 1/15, thereby reduced the hot-water cylinder volume greatly, make the insulation energy consumption significantly reduce.Certainly in practical application, also there are other the hot-water cylinder and the volume ratio relation of clear water tank, the utility model is not done qualification.
More than a kind of cold, hot two-purpose pure water boiler that the utility model provided has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the utility model embodiment; The part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. cold, hot two-purpose pure water boiler; It is characterized in that; Comprise: clear water tank, hot-water cylinder, reverse osmosis water purifier, heater, entering water electromagnetic valve, cold water level sensor, hot water level sensor, temperature sensor, water purification feed pipe, hot-water cylinder feed pipe, wherein
Said clear water tank links to each other with said reverse osmosis water purifier through said water purification feed pipe, said reverse osmosis water purifier be used for when height of water level that said cold water level sensor detects said clear water tank be lower than said clear water tank preset high water level the time to said clear water tank water supply;
Said clear water tank links to each other with said hot-water cylinder through said hot-water cylinder feed pipe; Said entering water electromagnetic valve be used for when height of water level that said hot water level sensor detects said hot-water cylinder be lower than said hot-water cylinder preset low water level the time open, supply water to said hot-water cylinder by said clear water tank;
Said heater is positioned at the bottom of said hot-water cylinder, said heater be used for when height of water level that said hot water level sensor detects said hot-water cylinder be higher than said hot-water cylinder preset low water level the time water in the said hot-water cylinder heated;
Said temperature sensor; The temperature that is used for water in detecting said hot-water cylinder be higher than said hot-water cylinder preset high-temperature the time control said entering water electromagnetic valve and open by said clear water tank and supply water to said hot-water cylinder; In detecting said hot-water cylinder the temperature of water be lower than said hot-water cylinder preset high-temperature the time control said entering water electromagnetic valve and close, said temperature sensor is located in the said hot-water cylinder.
2. cold, hot two-purpose pure water boiler according to claim 1 is characterized in that, said cold, hot two-purpose pure water boiler also comprises: U type pipe,
Said U type pipe is connected with the bottom of said hot-water cylinder, and said hot water level sensor is in the said U type pipe.
3. according to right 1 described cold, hot two-purpose pure water boiler, it is characterized in that said cold, hot two-purpose pure water boiler also comprises: flow-limiting valve,
Said flow-limiting valve is installed on the said hot-water cylinder feed pipe, is used to control the discharge that said clear water tank supplies water to said hot-water cylinder.
4. according to right 1 described cold, hot two-purpose pure water boiler, it is characterized in that said heater comprises: first electrothermal tube and second electrothermal tube,
The height of water level that detects said hot-water cylinder when said hot water level sensor be higher than said hot-water cylinder preset low water level the time; If the said cold water level sensor height of water level that detects said clear water tank be higher than said clear water tank preset low water level the time, jointly the water in the said hot-water cylinder is carried out Instant heating type heating by said first electrothermal tube and second electrothermal tube;
The height of water level that detects said clear water tank when said cold water level sensor be lower than said clear water tank preset low water level the time, by first electrothermal tube or second electrothermal tube water in the said hot-water cylinder is carried out the step-by-step movement heating.
5. according to right 1 described cold, hot two-purpose pure water boiler, it is characterized in that said cold, hot two-purpose pure water boiler also comprises: the hot-water cylinder steam pipe,
Said hot-water cylinder steam pipe is used for that the steam that said hot-water cylinder produces is input to said clear water tank and is liquefied as water.
6. according to right 1 described cold, hot two-purpose pure water boiler, it is characterized in that said cold, hot two-purpose pure water boiler also comprises: the overtemperature controller,
Control said heater when said overtemperature controller is used to detect in the said hot-water cylinder said heater dry combustion method and stop heating.
7. according to right 1 described cold, hot two-purpose pure water boiler, it is characterized in that said cold, hot two-purpose pure water boiler also comprises: the clear water tank overflow pipe,
Said clear water tank overflow pipe is positioned at the top of said clear water tank.
8. according to right 1 described cold, hot two-purpose pure water boiler, it is characterized in that said cold, hot two-purpose pure water boiler also comprises: ultraviolet sterilizer,
Said ultraviolet sterilizer is used for the water that flows out from said clear water tank is carried out sterilization.
9. according to the said cold, hot two-purpose pure water of claim 1 boiler, it is characterized in that, the volume of said hot-water cylinder be said clear water tank volume 1/2 to 1/15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011204513234U CN202386503U (en) | 2011-11-15 | 2011-11-15 | Dual-purpose cold and hot water purifying dispenser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204513234U CN202386503U (en) | 2011-11-15 | 2011-11-15 | Dual-purpose cold and hot water purifying dispenser |
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| CN202386503U true CN202386503U (en) | 2012-08-22 |
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| CN2011204513234U Expired - Lifetime CN202386503U (en) | 2011-11-15 | 2011-11-15 | Dual-purpose cold and hot water purifying dispenser |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104188528A (en) * | 2014-09-26 | 2014-12-10 | 沁园集团股份有限公司 | Instant-heating water dispenser and control method thereof |
| CN104586267A (en) * | 2015-01-22 | 2015-05-06 | 苏州华爱电子有限公司 | Cold and hot dual-purpose water way system of coffee machine |
| CN104948823A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Connector, water purifier and connector control method |
| CN105692938A (en) * | 2016-01-14 | 2016-06-22 | 中山市德斯邦电子科技有限公司 | Water purifier and control method thereof |
| CN106361161A (en) * | 2016-11-17 | 2017-02-01 | 佛山市云米电器科技有限公司 | Rapid water heating device and control method thereof |
| CN106490986A (en) * | 2016-11-21 | 2017-03-15 | 珠海格力电器股份有限公司 | A kind of hot tank and water dispenser |
| CN106587406A (en) * | 2016-11-17 | 2017-04-26 | 佛山市云米电器科技有限公司 | Hot and cold water dispensing purifier and control method thereof |
| CN107228477A (en) * | 2017-05-24 | 2017-10-03 | 浙江绍兴苏泊尔生活电器有限公司 | Instant cooling and heating device |
| CN107440526A (en) * | 2017-08-07 | 2017-12-08 | 四川红山红科技有限公司 | A kind of potable water tank heating control system and method |
| CN112897713A (en) * | 2021-01-14 | 2021-06-04 | 曲阜师范大学 | High-rise building zero release water purification system |
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2011
- 2011-11-15 CN CN2011204513234U patent/CN202386503U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104188528A (en) * | 2014-09-26 | 2014-12-10 | 沁园集团股份有限公司 | Instant-heating water dispenser and control method thereof |
| CN104948823A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Connector, water purifier and connector control method |
| CN104948823B (en) * | 2014-12-03 | 2019-02-05 | 佛山市云米电器科技有限公司 | The control method of connector, water purifier and connector |
| CN104586267A (en) * | 2015-01-22 | 2015-05-06 | 苏州华爱电子有限公司 | Cold and hot dual-purpose water way system of coffee machine |
| CN104586267B (en) * | 2015-01-22 | 2017-02-01 | 苏州华爱电子有限公司 | Cold and hot dual-purpose water way system of coffee machine |
| CN105692938A (en) * | 2016-01-14 | 2016-06-22 | 中山市德斯邦电子科技有限公司 | Water purifier and control method thereof |
| 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 |
| CN106361161A (en) * | 2016-11-17 | 2017-02-01 | 佛山市云米电器科技有限公司 | Rapid water heating device and control method thereof |
| CN106587406A (en) * | 2016-11-17 | 2017-04-26 | 佛山市云米电器科技有限公司 | Hot and cold water dispensing purifier and control method thereof |
| CN106490986A (en) * | 2016-11-21 | 2017-03-15 | 珠海格力电器股份有限公司 | A kind of hot tank and water dispenser |
| CN106490986B (en) * | 2016-11-21 | 2022-08-05 | 珠海格力电器股份有限公司 | Hot tank and water dispenser |
| CN107228477A (en) * | 2017-05-24 | 2017-10-03 | 浙江绍兴苏泊尔生活电器有限公司 | Instant cooling and heating device |
| CN107440526A (en) * | 2017-08-07 | 2017-12-08 | 四川红山红科技有限公司 | A kind of potable water tank heating control system and method |
| CN112897713A (en) * | 2021-01-14 | 2021-06-04 | 曲阜师范大学 | High-rise building zero release water purification system |
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Granted publication date: 20120822 |