CN1969153A - Hot and cold water dispenser and method of controlling same - Google Patents
Hot and cold water dispenser and method of controlling same Download PDFInfo
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- CN1969153A CN1969153A CN200580001698.8A CN200580001698A CN1969153A CN 1969153 A CN1969153 A CN 1969153A CN 200580001698 A CN200580001698 A CN 200580001698A CN 1969153 A CN1969153 A CN 1969153A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 460
- 238000000034 method Methods 0.000 title claims description 29
- 239000003507 refrigerant Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims description 51
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000008400 supply water Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000007906 compression Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 231100001261 hazardous Toxicity 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
- F24D2200/24—Refrigeration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0403—Refrigeration circuit bypassing means for the condenser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0409—Refrigeration circuit bypassing means for the evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A hot and cold water dispenser includes a compressor (1), a radiator (2), a pressure-reducing mechanism (3), and an evaporator (4) all connected in series to define a refrigerating cycle, in which a refrigerant that operates in a supercritical state is filled. The radiator (2) is accommodated in a hot water tank (5), while the evaporator (4) is accommodated in a cold water tank (6).
Description
Technical field
The present invention relates to a kind of hot and cold water dispenser that is used to supply with hot water and/or cold water, the particularly a kind of small-sized cold water dispenser that can supply with high-temperature-hot-water.The invention still further relates to the method for the such hot and cold water dispenser of control.
Background technology
Now, not only be used to supply with the hot water drunk or the small-sized cold water dispenser of cold water, and popularized as the hot and cold water dispenser of hot water dispenser and cold water dispenser combination.
In hot and cold water dispenser, cold water is made by using evaporimeter refrigeration running water in kind of refrigeration cycle etc., and the electric heater that hot water is independent of the kind of refrigeration cycle setting by use adds hot water and makes.Recently proposed to produce the hot and cold water dispenser of hot water and cold water, wherein, used vapor-compression refrigerant cycle (referring to, for example, the open ZL01235617.4 of Chinese utility model) in order to reduce power consumption.
This traditional hot and cold water dispenser utilizes R134a or R600a as cold-producing medium in kind of refrigeration cycle, and is provided with boiler that holds condenser and the cold water storage cistern that holds evaporimeter.When cold circular flow, the water in the boiler heats with condenser, and the water in the cold water storage cistern freezes with evaporimeter.The hot water of high temperature accommodates auxiliary heater in boiler if desired.In producing hot water, to compare with only using electric heater, the utilization of the condensation liberated heat of kind of refrigeration cycle has improved the thermal efficiency and has reduced the consumption of electric power.
Yet, be to obtain the hot water of high temperature, in kind of refrigeration cycle, use R134a or R600a to increase the condensing pressure of cold-producing medium, because the increase of compression ratio makes the hot water that obtains high temperature be difficult to realize as cold-producing medium.Because this reason, hot water are at first produced under the condensing pressure that can not cause compression ratio to increase, with the auxiliary heater heating, this causes the reduction of power consumption effect subsequently.
And because the R134a cold-producing medium is not a natural chemical substance, it is more expensive relatively and environment produced injurious effects.On the other hand, though the R600a cold-producing medium is a natural chemical substance, but the high inflammability of R600a cold-producing medium and may exploding in leaking into air the time.Therefore, use this cold-producing medium to need any possible safety warning, this causes high cost.
Summary of the invention
Develop the present invention to overcome above-mentioned shortcoming.
Therefore, an object of the present invention is to propose a kind of, in kind of refrigeration cycle, used relatively cheap and safe, not environmentally hazardous cold-producing medium by utilizing the kind of refrigeration cycle can feeding cold water and the hot and cold water dispenser of the hot water of high temperature.
To achieve these goals, hot and cold water dispenser according to the present invention comprises: compressor, radiator, the mechanism of decompressor and evaporimeter, described compressor, radiator, the mechanism of decompressor and evaporimeter are all contacted and are connected the kind of refrigeration cycle that wherein is filled with at the cold-producing medium of supercriticality operation to limit; Hot water dispenser.Described hot and cold water dispenser also comprises hot water dispenser, is used to supply with the hot water by described radiators heat; And cold water dispenser, described cold water dispenser is used to supply with the cold water by described evaporator cools.
By this structure, cold water and high-temperature-hot-water can both obtain by the running refrigerating circulation, and can reduce power consumption.
Preferably, carbon dioxide is as cold-producing medium, and this can reduce the hot water to the influence of environment and acquisition higher temperature.
Described hot water dispenser can comprise boiler, and described boiler has the radiator that is contained in wherein, and described cold water dispenser comprises cold water storage cistern, and described cold water storage cistern has the evaporimeter that is contained in wherein.In the case, because hot and cold water dispenser can not only be used as cold water vessels but also can be used as hot water tank, improved the practicality of hot and cold water dispenser.
If be provided with the feed-tank that is used to supply water to boiler and cold water storage cistern, also can use running water water in addition.
The present invention can propose a kind of by utilizing the kind of refrigeration cycle can feeding cold water and the hot and cold water dispenser of high-temperature-hot-water, in kind of refrigeration cycle, has used relatively cheap and safe, not environmentally hazardous cold-producing medium.
Description of drawings
In conjunction with the accompanying drawings, by following description to the preferred embodiments of the present invention, above of the present invention with other purposes and feature, it is more obvious to become; Identical label is represented identical parts in explanation, wherein:
Fig. 1 is the kind of refrigeration cycle of the hot and cold water dispenser of first embodiment according to the invention;
Fig. 2 is Mollier (Mollier) figure of operation of kind of refrigeration cycle that schematically shows the hot and cold water dispenser of Fig. 1;
Fig. 3 is the kind of refrigeration cycle according to the hot and cold water dispenser of second embodiment of the present invention;
Fig. 4 is the flow chart of control method of the hot and cold water dispenser of Fig. 3;
Fig. 5 is the kind of refrigeration cycle of modification of the hot and cold water dispenser of Fig. 3;
Fig. 6 is the flow chart of control method of the hot and cold water dispenser of Fig. 5;
Fig. 7 is the kind of refrigeration cycle according to the hot and cold water dispenser of the 3rd embodiment of the present invention;
Fig. 8 A is the flow chart of hot water control method of the hot and cold water dispenser of Fig. 7;
Fig. 8 B is the flow chart of cold water control method of the hot and cold water dispenser of Fig. 7;
Fig. 9 is the kind of refrigeration cycle of modification of the hot and cold water dispenser of Fig. 7;
Figure 10 A is the flow chart of hot water control method of the hot and cold water dispenser of Fig. 9;
Figure 10 B is the flow chart of cold water control method of the hot and cold water dispenser of Fig. 9;
Figure 11 is the kind of refrigeration cycle of another kind of modification of the hot and cold water dispenser of Fig. 7; And
Figure 12 is the flow chart of control method of the hot and cold water dispenser of Figure 11.
The specific embodiment
Embodiment 1:
Fig. 1 has described the kind of refrigeration cycle of the hot and cold water dispenser of first embodiment according to the invention.As shown therein, kind of refrigeration cycle is made of compressor 1, radiator 2, the mechanism of decompressor 3 and evaporimeter 4, and compressor 1, radiator 2, the mechanism of decompressor 3 and evaporimeter 4 are connected by pipeline.Fill in the kind of refrigeration cycle and know clearly as the carbon dioxide (CO of cold-producing medium
2).Preferably, expansion valve or capillary pipeline are as the mechanism of decompressor 3.Radiator 2 is contained in the boiler 5, and evaporimeter 4 is contained in the cold water storage cistern 6.
Boiler 5 has coupled supply channel 7, and similarly, cold water storage cistern 6 has coupled supply channel 8. Supply channel 7 and 8 all is connected to supply line 9 and has the valve 12 and 13 that links to each other separately with them.Boiler 5 also has the hot water tap 10 who supplies with hot water by it, and similarly, cold water storage cistern 6 has the cold water faucet 11 by its feeding cold water.
Fig. 2 has described to schematically illustrate Mollier (Mollier) figure (pressure enthalpy diagram) of operation of kind of refrigeration cycle of the hot and cold water dispenser of first embodiment according to the invention.Because carbon dioxide is as cold-producing medium in this embodiment, the moist steam zone of evaporimeter 4 below saturated liquid line 20 and saturated gas line 21 moved and the supercriticality operation of radiator 2 above critical point 22.
The operation of the hot and cold water dispenser of said structure is discussed with reference to Fig. 1 and 2 below.
Introduce in the radiator 2 that is contained in the boiler 5 with the water in the heat hot water tank 5 by the gaseous state high temperature refrigerant of compressor 1 compression.Then, cold-producing medium, and subsequently, before getting back to compressor 1, is introduced in the evaporimeter 4 that is contained in the cold water storage cistern 6 with the water in the cooling cold water storage cistern 6 becoming moist steam by the mechanism of decompressor 3 decompression.
The pressure that the pressure in the evaporimeter 4 is about in 3-4MPa and the radiator 2 as the use of the carbon dioxide of cold-producing medium is about 10-12MPa.Therefore, compression ratio is not too high, and this can move compressor 1 under the situation of the reliability of not damaging compressor 1.Because radiator 2 is in supercriticality operation, be approximately 100 degrees centigrade high in the temperature of the cold-producing medium of the import of radiator 2 again.Therefore, the temperature of the hot water in the boiler 5 is easy to rise to about 80-90 degree centigrade, and this makes the supply high-temperature water become possibility.
As shown in Figure 1, in hot water tap 10, cold water faucet 11 and valve 12 and 13 each is made up of magnetic valve, and in boiler 5 and the cold water storage cistern 6 each is held the known level switch (not shown) such as the float switch that is used for detecting the water level of water tank 5 and 6 and exporting detected water level.Magnetic valve, level switch and compressor 1 and the mechanism of decompressor 3 all are electrically connected to controller 14, and the controller 14 output signals of telecommunication are to control them.
The hot water supply button and the Cold water supply button that are installed on the main body of hot and cold water dispenser also are connected respectively to controller 14 optionally to open and close hot water tap 10 and cold water faucet 11.And valve 12 and 13 can be operated respectively according to the water level in water level in the boiler 5 and the cold water storage cistern 6, thereby running water can automatically supply to boiler 5 and the cold water storage cistern 6 from supply line 9.In addition, the action interlocking of the operation of kind of refrigeration cycle and valve 12 and 13 is used for the automatic heating or the cooling down operation of hot and cold water dispenser.
Although road Fig. 1 has described water self-water-supply pipeline 9 wherein and has supplied to situation in boiler 5 and the cold water storage cistern 6,, independent water tank can be used for supplying with water to boiler 5 and cold water storage cistern 6.In this case, except running water, the commercial water that gets also can use, and this makes supply hot water and cold water drinkable, that be very suitable for health become possibility.
Embodiment 2:
Fig. 3 has described the refrigeration cyclic graph according to the hot and cold water dispenser of second embodiment of the present invention, and Fig. 4 has described the flow chart of method of the hot and cold water dispenser of control chart 3.
Structure shown in Figure 3 is identical with structure shown in Figure 1 using the aspects such as cold-producing medium in kind of refrigeration cycle, exists different but what time go up below with structure shown in Figure 1.
Feed-tank 30 is connected respectively on the supply line 7 and 8 that constitutes first and second supply channels.Boiler 5 is provided with the hot water temperature's that is used for detecting boiler 5 wherein the hot water temperature's detector 33 such as thermistor of being contained in.Boiler 5 and feed-tank 30 are connected to each other by the hot water circulating pipeline 31 that constitutes the 3rd supply channel, and hot water circulating pipeline 31 turns back in the feed-tank 30 hot water in the boiler 5.Hot water circulating pump 32 is installed on the hot water circulating pipeline 31.Boiler 5 accommodates the known level switch 37 such as float switch that is used for detecting the water level of water tank 5 and exports detected water level.Hot water circulating pump 32, hot water temperature's detector 33 and level switch 37 all are electrically connected to controller 14.
Explain the operation of the hot and cold water dispenser of Fig. 3 below with reference to the flow chart of Fig. 4.
As mentioned above, because carbon dioxide is used as cold-producing medium, high temperature is heated as possibility.Therefore therefore, the hot water in the boiler 5 can be heated to its boiling temperature (under atmospheric pressure being 100 degrees centigrade), and is necessary to prevent the damage of supplying with the boiler 5 that causes with too high temperature because of the expansion or the hot water of boiler 5.For this purpose, hot water temperature's detector 33 is arranged in the boiler 5 to operate according to the feedwater of being controlled hot and cold water dispenser by hot water temperature's detector 33 detected hot water temperatures.
As shown in Figure 4, controller 14 determines that at step S1 whether hot water temperature Th in the boiler 5 is greater than ceiling temperature (for example 90 degrees centigrade), if and the former is greater than the latter, valve 12 is opened at step S2, obtains implementing to water management thereby supply with first of water at low temperature in the feed-tank 30.At step S3, make whether determining of the temperature that detects by hot water temperature's detector 33 less than the design temperature lower (for example 80 degrees centigrade) than ceiling temperature.If in the "Yes" that is defined as of step S3, valve 12 cuts out with the water that stops self-supporting water tank 30 at step S4 and supplies with, and program proceeds to step S5.
And if the hot water temperature Th in step S1 boiler 5 is less than or equal to ceiling temperature, if perhaps the hot water temperature Th in step S3 boiler 5 is more than or equal to design temperature, program also proceeds to step S5.
At step S5, whether the water level Hh that makes in the boiler 5 that is detected by level switch 37 is higher than upper limit Determination of The Water level.If water level Hh is higher than upper limit water level, at step S6, hot water circulating pump 32 operations obtain implementing thereby the hot water in the boiler 5 is turned back to the water supply of second in the feed-tank 30 operation, thereby prevent because water supplies to boiler 5 overflows that boiler 5 causes from feed-tank 30.
At step S7, whether the water level Hh that makes in the boiler 5 that is detected by level switch 37 is lower than determining of the designated water level lower than upper limit water level, and if the former be lower than the latter, at step S8, the operation of hot water circulating pump 32 stops, and program is got back to step S1.
And, if the water level Hh that has made in the boiler 5 at step S5 is less than or equal to upper limit Determination of The Water level, if or determine that what step S7 had made that water level Hh in the boiler 5 is greater than or equal to designated water level program is also got back to step S1.
The above-mentioned temperature of mentioning to boiler 5 is controlled under the following situation especially effective: produce the operation that cold water needs kind of refrigeration cycle in cold water storage cistern 6, promptly control the operation of compressor 1 according to cold water temperature.
Fig. 5 has described the modification of the hot and cold water dispenser of Fig. 3, wherein, cold water storage cistern 6 is provided with the Temperature Detector 34 such as thermistor that is contained in the cold water temperature that is used for detecting cold water storage cistern 6 in the cold water storage cistern 6, cold water storage cistern 6 and feed-tank 30 are connected to each other by cool water circulating pipe road 35, cool water circulating pipe road 35 constitutes the 3rd supply line, the 3rd supply line turns back to the cold water in the cold water storage cistern 6 in the feed-tank 30, and cold water circulation pump 36 is installed on the cool water circulating pipe road 35.Cold water storage cistern 6 accommodates the known level switch 38 such as float switch that is used for detecting the water level of cold water storage cistern 6 and exports detected water level.Cold water circulation pump 36, cold water temperature detector 34 and level switch 38 all are electrically connected to controller 14.
Fig. 6 has described the flow chart of control method under the situation of the operation of controlling compressor 1 according to the temperature of hot water, and below, will explain described control method with reference to figure 5 and 6.
As shown in Figure 5, cold water temperature detector 34 is arranged in the cold water storage cistern 6, to operate according to the feedwater of being controlled hot and cold water dispensers by cold water temperature detector 34 detected cold water temperatures.
As shown in Figure 6, cold water in cold water storage cistern 6 freezes, controller 14 determines that at step S11 whether cold water temperature Tc in the cold water storage cistern 6 is less than lower limit temperature (for example 1 degree centigrade), if and the former is less than the latter, valve 13 is opened at step S12, thus be used for supplying with feed-tank 30 room temperature water first obtain implementing to improve the cold water water temperature in the cold water storage cistern 6 to water management.At step S13, make whether determining of the temperature that detects by cold water temperature detector 34 greater than the design temperature higher (for example 2 degrees centigrade) than lower limit temperature.If in the "Yes" that is defined as of step S13, valve 13 cuts out with the water that stops self-supporting water tank 30 at step S14 and supplies with, and program proceeds to step S15.
And, if the cold water temperature Tc in step S11 cold water storage cistern 6 is more than or equal to lower limit temperature, if perhaps the hot water temperature Tc in the cold water storage cistern 6 that step S13 is detected by cold water temperature detector 34 is less than or equal to design temperature, program also proceeds to step S15.
At step S15, whether the water level Hc that makes in the cold water storage cistern 6 that is detected by level switch 38 is higher than upper limit Determination of The Water level.If water level Hc is higher than upper limit water level, cold water circulation pump 36 moves at step S16, obtain implementing thereby the cold water in the cold water storage cistern 6 is turned back to the operation of supplying water of second in the feed-tank 30, to prevent because water supplies to the overflow of the cold water storage cistern 6 that cold water storage cistern 6 causes from feed-tank 30.
At step S17, make water level Hc in the cold water storage cistern 6 and whether be lower than determining of the designated water level lower than upper limit water level, and if the former be lower than the latter, the step S18 that operates in of cold water circulation pump 36 stops, and program is got back to step S11.
And, if the water level Hc that has made in the cold water storage cistern 6 at step S15 is less than or equal to upper limit Determination of The Water level, if or determine that what step S17 had made that water level Hc in the cold water storage cistern 6 is greater than or equal to designated water level program is also got back to step S11.
According to the second embodiment of the present invention that relates to above, even according to having more high load capacity, hot water or cold water use manyly, the operation of water tank control kind of refrigeration cycle, the simple relatively control of supplying water can realize supplying with the hot and cold water dispenser of hot water and cold water in the temperature range that reality allows.
Although the structure of road Fig. 3 is intended to hot water control, and the structure of Fig. 5 is intended to cold water control, cold water control and hot water control can be implemented simultaneously.In this case, only a pump can be used as hot water circulating pump 32 and cold water circulation pump 36 jointly, and this can simplify line arrangement.
Embodiment 3:
Fig. 7 has described the kind of refrigeration cycle according to the hot and cold water dispenser of the 3rd embodiment of the present invention, and Fig. 8 A and 8B have described the flow chart of method of the hot and cold water dispenser of control chart 7.
At the aspects of using in kind of refrigeration cycle such as cold-producing medium, structure shown in Figure 7 is identical with structure shown in Figure 1, exists different but what time go up below with structure shown in Figure 1.
As shown in Figure 7, kind of refrigeration cycle comprises the first refrigerant bypass pipeline 41 and the second refrigerant bypass pipeline 43, the first refrigerant bypass pipeline 41 has additional cooler 40, the second refrigerant bypass pipelines 43 in parallel with radiator 2 and has the auxiliary evaporator 42 in parallel with evaporimeter 4.Boiler 5 is connected with feed-tank 30 with 8 by supply line 7 respectively with cold water storage cistern 6, and has hot water temperature's detector 33 and the cold water temperature detector 34 that is contained in wherein respectively.Kind of refrigeration cycle also comprises a plurality of switching valves 50,51,52 and 53 of being used in kind of refrigeration cycle conversion flow of refrigerant (below abbreviate valve as).
Explain the control method of hot and cold water dispenser below with reference to the flow chart of Fig. 8 A and 8B.
Fig. 8 A has described the flow chart of hot water control, and described following situation especially: the hot water temperature in the boiler 5 maintains first design temperature (for example 60 degrees centigrade) and is higher than between second design temperature (as 70 degrees centigrade) of first design temperature.
At step S21, controller 14 determines that whether hot water temperature's detector 33 detected hot water temperature Th are less than first design temperature, if and the former is less than the latter, open at step S22 valve 50, valve 51 cuts out, thereby the hot water in the boiler 5 can be by the cold-producing medium heating of the radiator 2 of flowing through.Under such state, kind of refrigeration cycle operation predetermined amount of time, and at step S23 is made whether determining greater than second design temperature of hot water temperature Th.If hot water temperature Th is greater than second design temperature, at step S24, valve 50 cuts out, valve 51 is opened, thus cold-producing medium can flow through and have the first refrigerant bypass pipeline 41 of additional cooler 40, and program is got back to step S21.
If made hot water temperature Th determining more than or equal to first design temperature at step S21, program proceeds to step S24, if be less than or equal to determining of second design temperature and made hot water temperature Th at step S23, step S23 determine repeat.
On the other hand, Fig. 8 B has described the flow chart of cold water control, has described following situation especially: the temperature maintenance of the cold water in the cold water storage cistern 6 is at the 3rd design temperature (for example 6 degrees centigrade) and be lower than between the 4th design temperature (as 4 degrees centigrade) of the 3rd design temperature.
At step S31, controller 14 determines that whether cold water temperature detector 34 detected cold water temperature Tc are greater than the 3rd design temperature, if and the former is greater than the latter, open at step S32 valve 52, valve 53 cuts out, thereby the cold water in the cold water storage cistern 6 can be by the refrigerant cools of the evaporimeter 4 of flowing through.Under such state, kind of refrigeration cycle operation predetermined amount of time, and at step S33 is made whether determining less than the 4th design temperature of cold water temperature Tc.If cold water temperature Tc less than the 4th design temperature, closes at step S34 valve 52, valve 53 is opened, thus cold-producing medium can flow through and have the second refrigerant bypass pipeline 43 of auxiliary evaporator 42, and program is got back to step S31.
Be less than or equal to determining of the 3rd design temperature if made cold water temperature Tc at step S31, program proceeds to step S34, if and made cold water temperature Tc more than or equal to the determining of the 4th design temperature at step S33, step S33 determine repeat.
Like this, flow to additional cooler 40 or flow to auxiliary evaporator 42 by the control cold-producing medium, hot water temperature and cold water temperature can be controlled in the optimum separately scope.In addition, high pressure in the kind of refrigeration cycle and low pressure can optimizations.
Will note at this: although the road in the above-described embodiment, hot water temperature's control and cold water temperature control are to control respectively, and hot water temperature's control and cold water temperature control can be interlocked with one another.
Be also noted that: although the road in the above-described embodiments, the flowing through of cold-producing medium selectively opens or closes a plurality of switching valves and changed, and the triple valve of smaller amounts etc. can be used as switching valve.
Also to note: be arranged in parallel with radiator 2 although the road has the first refrigerant bypass pipeline 41 of additional cooler 40, the second refrigerant bypass pipeline 43 that has auxiliary evaporator 42 simultaneously is arranged in parallel with evaporimeter 4, but in the first and second refrigerant bypass pipelines 41 and 43 any can be set.
Fig. 9 has described the refrigeration cyclic graph according to the modification of the hot and cold water dispenser of the foregoing description; Figure 10 A and 10B have described the flow chart of method of the hot and cold water dispenser of control chart 9.
Kind of refrigeration cycle shown in Figure 9 is different with kind of refrigeration cycle shown in Figure 7 to be: the former is provided with second fan 55 that is used to cool off first fan 54 of additional cooler 40 and is used to cool off auxiliary evaporator 42.
Explain control method with reference to the flow chart of Figure 10 A and 10B below to hot and cold water dispenser.
Figure 10 A has described the flow chart of hot water control, has described following situation especially: the temperature maintenance of the hot water in the boiler 5 is at first design temperature (for example 60 degrees centigrade) and be higher than between second design temperature (as 70 degrees centigrade) of first design temperature.
At step S41, controller 14 determines that whether hot water temperature's detector 33 detected hot water temperature Th are less than first design temperature, if and the former is less than the latter, open at step S42 valve 50, valve 51 cuts out, thereby the hot water in the boiler 5 can be by the cold-producing medium heating of the radiator 2 of flowing through.On the contrary, if the hot water temperature Th that detects by hot water temperature's detector 33 more than or equal to first design temperature, step S41 determine repeat.Under such state, kind of refrigeration cycle operation predetermined amount of time, and at step S43 is made whether determining less than three design temperature lower than first design temperature (for example 50 degrees centigrade) of hot water temperature Th.If hot water temperature Th is more than or equal to the 3rd design temperature, program proceeds to step S44, wherein makes whether determining greater than second design temperature of hot water temperature Th at step S44.
If made hot water temperature Th determining greater than second design temperature at step S44, close at step S45 valve 50, valve 51 opens, thereby cold-producing medium can be flowed through and be had the first refrigerant bypass pipeline 41 of additional cooler 40, and program is got back to step S41.On the contrary, at step S44 place, be less than or equal to the definite of second design temperature if made hot water temperature Th, program is got back to step S43.
And, if made hot water temperature Th determining less than the 3rd design temperature at step S43, whether made at step S46 that valve 52 cuts out and valve 53 is opened, promptly whether definite because the hot water in the boiler 5 must Fast Heating cold water storage cistern 6 just be cooled.If the cold water in the cold water storage cistern 6 just is cooled, program is got back to step S43, and if the cold water in the cold water storage cistern 6 just be not cooled, program proceeds to step S47, wherein in the operation of step S47 second fan 55.The operation of second fan 55 has improved the cooling capacity of auxiliary evaporator 42 significantly, therefore, similarly, has improved the heat-sinking capability of radiator 2 significantly, and this can make the hot water of boiler 5 be heated fast.
At step S48, if made hot water temperature Th greater than the 3rd design temperature or cold water temperature Tc determining greater than the 4th design temperature (for example 6 degrees centigrade) (wherein cold water storage cistern 6 just be cooled state), out of service at step S49 second fan 55, and program is got back to step S43.Hot water temperature Th is less than or equal to the 3rd design temperature or cold water temperature Tc is less than or equal to determining of the 4th design temperature if made at step S48, step S48 determine repeatedly carry out.
On the other hand, Figure 10 B has described the flow chart of cold water control, has described following situation especially: the temperature maintenance of the cold water in the cold water storage cistern 6 is at the 4th design temperature (for example 6 degrees centigrade) and be lower than between the 5th design temperature (as 4 degrees centigrade) of the 4th design temperature.
At step S51, controller 14 determines that whether cold water temperature detector 34 detected cold water temperature Tc are greater than the 4th design temperature, if and the former is greater than the latter, open at step S52 valve 52, valve 53 cuts out, thereby the cold water in the cold water storage cistern 6 can further be cooled off by the cold-producing medium of the evaporimeter 4 of flowing through.On the contrary, if cold water temperature detector 34 detected cold water temperature Tc are less than or equal to the 4th design temperature, in the execution repeatedly of determining of step S51.Under such state, kind of refrigeration cycle operation predetermined amount of time, and make whether determining of cold water temperature Tc greater than the 6th design temperature bigger (for example 10 degrees centigrade) than the 4th design temperature at step S53.If cold water temperature Tc is less than or equal to the 6th design temperature, program proceeds to step S54, has wherein made whether determining less than the 5th design temperature of cold water temperature Tc at step S54.
If made cold water temperature Tc determining less than the 5th design temperature at step S54, close at step S55 valve 52, valve 53 opens, thereby cold-producing medium can be flowed through and be had the second refrigerant bypass pipeline 43 of auxiliary evaporator 42 so that further do not cool off cold water in the cold water storage cistern 6, and program is got back to step S51.On the contrary, determine that more than or equal to the 5th design temperature program gets back to step S53 if made cold water temperature Tc at step S54.
And, if made cold water temperature Tc determining greater than the 6th design temperature at step S53, whether made at step S56 that valve 50 cuts out and valve 51 is opened, promptly whether because the cold water in the cold water storage cistern 6 must the rapid cooling thermal water tank 5 just not heatedly determines.If the hot water in the boiler 5 just is heated, program is got back to step S53, and if the hot water in the boiler 5 just be not heated, program proceeds to step S57, wherein in the operation of step S57 first fan 54.The operation of first fan 54 has improved the heat-sinking capability of additional cooler 40 significantly, therefore, similarly, has improved the cooling capacity of evaporimeter 4 significantly, and this can make the cold water of cold water storage cistern 6 be cooled off fast.
At step S58, if made cold water temperature Tc less than the 6th design temperature or hot water temperature Th less than the determining of first design temperature (boiler 5 heated states), out of service at step S59 first fan 54, and program is got back to step S53.At step S58, if made cold water temperature Tc more than or equal to the 6th design temperature or hot water temperature Th more than or equal to the determining of first design temperature, determine execution repeatedly at step S58 place.
Figure 11 has described the kind of refrigeration cycle according to another modification of the hot and cold water dispenser of the foregoing description; Figure 12 has described the flow chart of method of the hot and cold water dispenser of control Figure 11.
Kind of refrigeration cycle shown in Figure 11 is different with kind of refrigeration cycle shown in Figure 7 to be: the second refrigerant bypass pipeline that the former does not have the evaporimeter 4 among the setting and the latter to be connected in parallel, but be provided with the auxiliary heater 56 that is contained in the boiler 5.
Promptly, the kind of refrigeration cycle of Figure 11 is intended to by suitably controlling compressor 1 according to cold water temperature with preferential control cold water temperature, and is intended to by selectively moving auxiliary heater 56 and being arranged on auxiliary evaporator 40 control hot water temperatures on the first refrigerant bypass pipeline 41.
More specifically, the flow chart of Figure 12 has shown that the cold water temperature Tc in the cold water storage cistern 6 of wherein preferential control maintains first design temperature (for example 6 degrees centigrade) and is lower than between second design temperature (for example 4 degrees centigrade) of first design temperature, and the hot water temperature Th in the boiler 5 maintains the 3rd design temperature (for example 60 degrees centigrade) and be higher than situation between the 4th design temperature (for example 70 degrees centigrade) of the 3rd design temperature.
At step S61, whether controller 14 determines cold water temperature detector 34 detected cold water temperature Tc greater than first design temperature, and if the former is greater than the latter, by moving compressor 1 and stop auxiliary heater 56 at step S62, the running refrigerating circulation.At step S63, make hot water temperature Th the determining whether in the boiler 5 less than the 3rd design temperature, if and the former is less than the latter, open at step S64 valve 50, valve 51 cuts out, thereby the hot water in the boiler 5 can further be heated by the cold-producing medium of the radiator 2 of flowing through.Under such state, kind of refrigeration cycle operation predetermined amount of time, and make whether determining of hot water temperature Th greater than the 4th design temperature at step S65.If hot water temperature Th greater than the 4th design temperature, closes at step S66 valve 50, valve 51 is opened, thus cold-producing medium can flow through and have the first refrigerant bypass pipeline 41 of additional cooler 40, and program proceeds to step S67.
If made hot water temperature Th determining in the boiler 5 more than or equal to the 3rd design temperature at step S63, program proceeds to step S66, be less than or equal to determining of the 4th design temperature if made hot water temperature Th at step S65 simultaneously, program proceeds to step S67, has wherein made cold water temperature Tc determining less than second design temperature whether in the cold water storage cistern 6 at step S67.If the cold water temperature Tc in the cold water storage cistern 6 stops compressor 1 less than second design temperature at step S68, and if not, then program is got back to step S63.
And, if the cold water temperature Tc that has made in the cold water storage cistern 6 at step S61 is less than or equal to determining of first design temperature, also stop the operation of compressor 1 at step S63.
At step S69, made hot water temperature Th in the boiler 5 whether less than the determining of the 3rd design temperature, and, if the former is less than the latter, get back to step S61 at step S70 operation auxiliary heater 56 and program.On the other hand, determine that more than or equal to the 3rd design temperature program is also got back to step S61 if made hot water temperature Th in the boiler 5 at step S69.
The opening and closing control of the starting of the starting that cold water temperature Tc in the cold water storage cistern 6 and the hot water temperature Th in the boiler 5 all can be by compressors 1 as shown in Figure 12 ,/stop (ON/OFF) control, auxiliary heater 54/the stop channel switching valve 50,51 of (ON/OFF) control and cold-producing medium is suitably controlled.
Industrial usability
The present invention can propose a kind of by utilizing the kind of refrigeration cycle can feeding cold water and the hot water of high temperature Hot and cold water dispenser, in described kind of refrigeration cycle, used cheap, safety, not environmentally hazardous Cold-producing medium. Hot and cold water dispenser according to the present invention is also good on energy conservation characteristic, therefore as family Use or the commercial hot and cold water dispenser that uses are useful.
Claims (23)
1, a kind of hot and cold water dispenser comprises:
Compressor, radiator, the mechanism of decompressor and evaporimeter, described compressor, radiator, the mechanism of decompressor and evaporimeter are all contacted and are connected to limit kind of refrigeration cycle, in described kind of refrigeration cycle, are filled with the cold-producing medium in the supercriticality operation;
Hot water dispenser, described hot water dispenser are used to supply with the hot water by described radiators heat;
Cold water dispenser, described cold water dispenser are used to supply with the cold water by described evaporator cools.
2, hot and cold water dispenser according to claim 1, wherein, described cold-producing medium is a carbon dioxide.
3, hot and cold water dispenser according to claim 1, wherein, described hot water dispenser comprises that described radiator is contained in boiler wherein, and described cold water dispenser comprises that described evaporimeter is contained in cold water storage cistern wherein.
4, hot and cold water dispenser according to claim 3 further comprises feed-tank, and described feed-tank is used to supply water to boiler and cold water storage cistern.
5, hot and cold water dispenser according to claim 4, further comprise first supply line, second supply line and the 3rd supply line, described first supply line is used for water is supplied to boiler from feed-tank, described second supply line is used for water is supplied to cold water storage cistern from feed-tank, and described the 3rd supply line is used for hot water or cold water are supplied to feed-tank from boiler and cold water storage cistern one.
6, hot and cold water dispenser according to claim 5, further comprise Temperature Detector, described detector is used for detecting the water temperature in boiler and cold water storage cistern one, wherein supplies with control according to being undertaken by the detected water temperature of Temperature Detector to the water of feed-tank.
7, hot and cold water dispenser according to claim 6, further comprise the level switch that is used to detect the water level in the water tank, described level switch is contained in in boiler and the cold water storage cistern one, and wherein the control of the water level of in boiler and the cold water storage cistern is according to being undertaken by the detected water level of level switch.
8, hot and cold water dispenser according to claim 4, further comprise refrigerant bypass pipeline and hot water temperature's detector, described refrigerant bypass pipeline has the additional cooler in parallel with radiator, described hot water temperature's detector is used to detect the hot water temperature in the boiler, and wherein the hot water temperature controls according to being undertaken by the detected hot water temperature of hot water temperature's detector.
9, hot and cold water dispenser according to claim 8 further comprises the auxiliary heater that is contained in the boiler, and wherein said auxiliary heater is according to controlled by the detected hot water temperature of hot water temperature's detector.
10, hot and cold water dispenser according to claim 8 further comprises the fan of the additional cooler that is used to freeze.
11, hot and cold water dispenser according to claim 4, further comprise refrigerant bypass pipeline and cold water temperature detector, described refrigerant bypass pipeline has the auxiliary evaporator in parallel with evaporimeter, described cold water temperature detector is used to detect the cold water temperature in the cold water storage cistern, and wherein cold water temperature control is according to being undertaken by the detected cold water temperature of cold water temperature detector.
12, hot and cold water dispenser according to claim 11 further comprises the fan of the auxiliary evaporator that is used to freeze.
13, hot and cold water dispenser according to claim 4, further comprise the first refrigerant bypass pipeline, hot water temperature's detector, the second refrigerant bypass pipeline and cold water temperature detector, the described first refrigerant bypass pipeline has the additional cooler in parallel with radiator, described hot water temperature's detector is used to detect the hot water temperature in the boiler, the described second refrigerant bypass pipeline has the auxiliary evaporator in parallel with evaporimeter, and described cold water temperature detector is used to detect the cold water temperature in the cold water storage cistern.
14, hot and cold water dispenser according to claim 13 further comprises the fan of the additional cooler that is used to freeze and another fan of the auxiliary evaporator that is used to freeze.
15, a kind of method of controlling hot and cold water dispenser, described hot and cold water dispenser comprises compressor, radiator, the mechanism of decompressor and evaporimeter, described compressor, radiator, the mechanism of decompressor and evaporimeter are all contacted and are connected to limit kind of refrigeration cycle, are filled with the carbon dioxide as cold-producing medium in described kind of refrigeration cycle; Boiler, described boiler has the radiator that holds within it; Cold water storage cistern, described cold water storage cistern has the evaporimeter that is contained in wherein; And feed-tank, described feed-tank is used for supplying water in boiler and cold water storage cistern one, and described method comprises step:
Detect an interior hot water temperature of boiler and a temperature in the cold water temperature in the cold water storage cistern;
According to detected temperature water is supplied to boiler and the cold water storage cistern one from feed-tank; And
Hot water in the boiler and a kind of water in the cold water in the cold water storage cistern are supplied to feed-tank.
16, method according to claim 15, wherein, if the hot water temperature in the boiler greater than predetermined value, the water in the feed-tank is fed into boiler.
17, method according to claim 16, wherein, if the water level in the boiler greater than predetermined water level, the hot water in the boiler is fed in the feed-tank.
18, method according to claim 15, wherein, if the cold water temperature in the cold water storage cistern is lower than predetermined value, the water in the feed-tank is fed in the cold water storage cistern.
19, method according to claim 18, wherein, if the water level in the cold water storage cistern greater than predetermined water level, the cold water in the cold water storage cistern is fed in the feed-tank.
20, method according to claim 15, wherein, described hot and cold water dispenser further comprises the first refrigerant bypass pipeline and the second refrigerant bypass pipeline, the described first refrigerant bypass pipeline has the additional cooler in parallel with radiator, the described second refrigerant bypass pipeline has the auxiliary evaporator in parallel with evaporimeter, and described method further comprises according to the passage of the detected temperature transition cold-producing medium step to the first refrigerant bypass pipeline or the second refrigerant bypass pipeline.
21, method according to claim 20, wherein, if the hot water temperature in the boiler greater than predetermined value, makes the cold-producing medium first refrigerant bypass pipeline of flowing through.
22, method according to claim 20, wherein, if the cold water temperature in the cold water storage cistern less than predetermined value, makes the cold-producing medium second refrigerant bypass pipeline of flowing through.
23, method according to claim 20, wherein, additional cooler and auxiliary evaporator have cooling fan respectively, and if the passage of cold-producing medium be switched to the first refrigerant bypass pipeline or the second refrigerant bypass pipeline, an operation that is associated in the described cooling fan.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2005/000035 WO2006074572A1 (en) | 2005-01-12 | 2005-01-12 | Hot and cold water dispenser and method of controlling same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1969153A true CN1969153A (en) | 2007-05-23 |
Family
ID=36677335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580001698.8A Pending CN1969153A (en) | 2005-01-12 | 2005-01-12 | Hot and cold water dispenser and method of controlling same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1969153A (en) |
| WO (1) | WO2006074572A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842181A (en) * | 2007-09-06 | 2012-12-26 | 可口可乐公司 | Methods for facilitating consumer-dispenser interactions |
| CN107208954A (en) * | 2015-01-29 | 2017-09-26 | 大金工业株式会社 | Air-conditioning device |
| CN112720040A (en) * | 2020-12-04 | 2021-04-30 | 珠海格力智能装备有限公司 | Cooling device and cooling control method |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2339523B1 (en) * | 2008-07-21 | 2011-03-14 | Cesar Gonzalez Valiente | HOT WATER PRODUCER ELECTRODOMESTICO. |
| ES2380735B1 (en) * | 2008-12-30 | 2013-04-15 | César González Valiente | HOT WATER PRODUCER APPLIANCES. |
| EP2148143B1 (en) | 2008-07-21 | 2016-01-27 | César González Valiente | Electrical appliance producing hot water |
| ITTV20090044A1 (en) * | 2009-03-17 | 2010-09-18 | Clivet S P A | TEMPERATURE CONTROL SYSTEM FOR ENVIRONMENTAL AIR CONDITIONING SYSTEMS |
| FR3008172A1 (en) * | 2013-07-03 | 2015-01-09 | Jean Francois Sailhan | COLD PRODUCTION FACILITY COMPRISING IMPROVED CONDENSATION MEANS AND METHOD FOR IMPLEMENTING THE SAME |
| CN103925736B (en) * | 2014-04-03 | 2017-03-29 | 广东申菱环境系统股份有限公司 | A kind of high-temperature level hot type water chiller-heater unit and its control method |
| US10352814B2 (en) * | 2015-11-10 | 2019-07-16 | Phyn Llc | Water leak detection using pressure sensing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2029445A1 (en) * | 1989-11-24 | 1991-05-25 | Takaaki Matsuura | Method for air conditioning and supplying hot/cold water |
| JP2002089957A (en) * | 2000-09-12 | 2002-03-27 | Sanyo Electric Co Ltd | Warm water and chilled water supplying system |
| JP2004286248A (en) * | 2003-03-19 | 2004-10-14 | Sanyo Electric Co Ltd | Heat pump type water heater |
-
2005
- 2005-01-12 WO PCT/CN2005/000035 patent/WO2006074572A1/en not_active Application Discontinuation
- 2005-01-12 CN CN200580001698.8A patent/CN1969153A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842181A (en) * | 2007-09-06 | 2012-12-26 | 可口可乐公司 | Methods for facilitating consumer-dispenser interactions |
| CN107208954A (en) * | 2015-01-29 | 2017-09-26 | 大金工业株式会社 | Air-conditioning device |
| CN107208954B (en) * | 2015-01-29 | 2020-10-09 | 大金工业株式会社 | Air conditioner |
| CN112720040A (en) * | 2020-12-04 | 2021-04-30 | 珠海格力智能装备有限公司 | Cooling device and cooling control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006074572A1 (en) | 2006-07-20 |
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