CN107477963A - Refrigerator and its control method - Google Patents
Refrigerator and its control method Download PDFInfo
- Publication number
- CN107477963A CN107477963A CN201710915406.6A CN201710915406A CN107477963A CN 107477963 A CN107477963 A CN 107477963A CN 201710915406 A CN201710915406 A CN 201710915406A CN 107477963 A CN107477963 A CN 107477963A
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- Prior art keywords
- water
- cold
- temperature
- hot water
- pipeline
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Classifications
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
- F25D23/126—Water cooler
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/02—Timing
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
Abstract
The invention discloses a kind of refrigerator and its control method, inlet pipeline is connected with hot water line and cold water pipeline respectively, hot water valve and heating unit are provided with hot water line, the water of inlet pipeline flows into hot water line when hot water valve is opened, and heating unit heats to the water for flowing into hot water line；Cold valves and cold tanks are provided with cold water pipeline, the water of inlet pipeline flows into cold tanks by cold water pipeline when cold valves are opened, and cold tanks are cooled to the water of inflow and store cold water；Outlet pipeline is connected with hot water line and cold water pipeline and is provided with outlet valve respectively；First temperature detecting unit is used to detect ambient temperature；Control unit is used to receive hot water effluent's instruction time control heating water valve and outlet valve unlatching and control cold valves to close, and target output water temperature is obtained according to ambient temperature, and the heating power of heating unit is controlled according to target output water temperature, to provide hot water by outlet pipeline, so as to quickly provide hot water.
Description
Technical field
The present invention relates to technical field of electric appliances, more particularly to a kind of refrigerator, a kind of refrigerator control method and a kind of non-face
When property computer-readable recording medium.
Background technology
In correlation technique, refrigerator can provide cold drinking liquid or hot drinking water.But correlation technique the problem of existing, is,
Refrigerator provides hot drinking water and generally produces hot drinking water by the condenser release heat in refrigerator refrigeration system to heat, and heats
Speed is slow；Produce and single hot water usually required after hot drinking water hot drinking water is stored and is incubated, it is therefore desirable to
Extra memory space.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of refrigerator, can adjust output water temperature according to environment temperature, and can improve hot water heating speed.
It is another object of the present invention to propose a kind of control method of refrigerator.
A further object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
To reach above-mentioned purpose, refrigerator that one aspect of the present invention embodiment proposes, including：Inlet pipeline；Hot water line, institute
State hot water line with the inlet pipeline to be connected, hot water valve and heating unit are provided with the hot water line, wherein, in institute
The water for stating inlet pipeline when hot water valve is opened flows into the hot water line, and the heating unit is to flowing into the hot water line
Water heated；Cold water pipeline, the cold water pipeline are connected with the inlet pipeline, are provided with the cold water pipeline cold
Water valve and cold tanks, wherein, when the cold valves are opened, the water of the inlet pipeline flows into institute by the cold water pipeline
State cold tanks, the cold tanks are cooled to the water of inflow and store cold water；Outlet pipeline, the outlet pipeline and institute
State hot water line to be connected, the outlet pipeline is connected with the cold water pipeline, and outlet valve is provided with the outlet pipeline；
First temperature detecting unit, first temperature detecting unit are used to detect ambient temperature；Control unit, the control are single
Member respectively with first temperature detecting unit, the heating unit, the hot water valve, the cold valves and the outlet valve phase
Even, described control unit is used to control the hot water valve and the outlet valve to open and control when receiving hot water effluent's instruction
The cold valves are closed, and obtain target output water temperature according to the ambient temperature, and according to the target water outlet water
The heating power of heating unit described in temperature control system, to provide hot water by the outlet pipeline.
The refrigerator proposed according to embodiments of the present invention, hot water line are connected with inlet pipeline, are provided with hot water line
Hot water valve and heating unit, when hot water valve is opened, the water of inlet pipeline flows into hot water line, and heating unit is to flowing into hot-water line
The water on road is heated, and cold water pipeline is connected with inlet pipeline, cold valves and cold tanks is provided with cold water pipeline, cold
The water of inlet pipeline flows into cold tanks by cold water pipeline when water valve is opened, and cold tanks are cooled and stored up to the water of inflow
Cold water is deposited, outlet pipeline is connected with hot water line and cold water pipeline respectively, and outlet valve is provided with outlet pipeline, passes through the first temperature
Spend detection unit detection ambient temperature, control unit receive hot water effluent instruct time control heating water valve and outlet valve open
Open and control cold valves to close, and target output water temperature is obtained according to ambient temperature, and according to target output water temperature
The heating power of heating unit is controlled, to provide hot water by outlet pipeline.Thus, the refrigerator of the embodiment of the present invention, providing
During hot water, Instant heating type heating is carried out to the water for flowing into hot water line by heating unit, hot water heating speed is improved, realizes quick
Hot water is provided, without providing hot water storage hot water, effectively save space, and reduces heating energy consumption.It is in addition, outer by detecting
Portion's environment temperature adjustment hot water water temperature, lifts the experience of user.
According to one embodiment of present invention, described control unit can be additionally operable to when receiving cold water water outlet instruction, control
Make the outlet valve unlatching and control the hot water valve and the cold valves to close, so that by described in outlet pipeline offer
Cold water.
According to one embodiment of present invention, refrigerator can also include：Second temperature detection unit, the second temperature detection
The water temperature that unit is used to detect the delivery port of the outlet pipeline is to generate output water temperature；Wherein, described control unit is additionally operable to
The initial heating power of the heating unit is calculated according to the target output water temperature and the ambient temperature, and controlled
After the heating unit is heated according to the initial heating power, according to the output water temperature and the target water outlet water
Temperature adjusts the heating power of the heating unit.
According to one embodiment of present invention, described control unit can calculate the first of the heating unit according to below equation
Beginning heating power：
Q1=C*M* (Tc (n)-Ta (n))/K1
Wherein, Q1 is the initial heating power of the heating unit, and C is the specific heat capacity of water, and M is water in the hot water line
Mass flow, Tc (n) is the target output water temperature, and Ta (n) is ambient temperature, and K1 is that the heat of the heating unit turns
Change efficiency.
According to one embodiment of present invention, when the output water temperature be more than the target output water temperature and default water temperature it
And when, described control unit controls the heating power of the heating unit to reduce；When the output water temperature goes out less than the target
During the difference of water water temperature and default water temperature, described control unit controls the heating power of the heating unit to improve；When the water outlet
Water temperature is more than or equal to the difference of the target output water temperature and default water temperature and less than or equal to the target output water temperature and default water
During warm sum, described control unit controls the heating power of the heating unit to keep constant.
According to one embodiment of present invention, described control unit can be additionally operable to control institute when stopping and providing the hot water
State outlet valve and the hot water valve is closed, and control the heating unit to stop heating.
According to one embodiment of present invention, described control unit can be additionally operable to control institute when stopping and providing the cold water
Outlet valve closing is stated, and controls the cold valves to open after preset time is postponed, and is reached in the water level of the cold tanks
The cold valves are controlled to close during to preset water level.
To reach above-mentioned purpose, a kind of control method for refrigerator that another aspect of the present invention embodiment proposes, the refrigerator
Including inlet pipeline, hot water line, cold water pipeline and outlet pipeline, the hot water line is connected with the inlet pipeline, institute
State and hot water valve and heating unit are provided with hot water line, the cold water pipeline is connected with the inlet pipeline, the cold water
Cold valves and cold tanks are provided with pipeline, the outlet pipeline is connected with the hot water line, the outlet pipeline with
The cold water pipeline is connected, and is provided with outlet valve on the outlet pipeline, the described method comprises the following steps：Detect external rings
Border temperature；When receiving hot water effluent's instruction, the hot water valve and the outlet valve is controlled to open and control the cold valves
Close, and target output water temperature is obtained according to the ambient temperature, and according to target output water temperature control
The heating power of heating unit, to provide the hot water by the outlet pipeline.
The control method of the refrigerator proposed according to embodiments of the present invention, ambient temperature is detected, is gone out when receiving hot water
When water instructs, hot water valve and outlet valve is controlled to open and control cold valves to close, and target is obtained according to ambient temperature
Output water temperature, and the heating power according to target output water temperature control heating unit, heating water is provided to pass through outlet pipeline.
Thus, the control method of the refrigerator of the embodiment of the present invention is when providing hot water, the water by heating unit to inflow hot water line
Instant heating type heating is carried out, improves hot water heating speed, quick offer hot water is provided, without providing hot water storage hot water, is had
Effect saves space, and reduces heating energy consumption.
To reach above-mentioned purpose, non-transitorycomputer readable storage medium that another aspect of the invention embodiment proposes,
Computer program is stored thereon with, the program realizes the control method of above-mentioned refrigerator when being executed by processor.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, by performing the control method of refrigerator,
Instant heating type heating is carried out to the water for flowing into hot water line when providing hot water, improves hot water heating speed, realizes and heat is quickly provided
Water, without providing hot water storage hot water, effectively save space, and reduce heating energy consumption
Brief description of the drawings
Fig. 1 is the block diagram according to the refrigerator of the embodiment of the present invention；
Fig. 2 is the structure principle chart according to the refrigerator of one embodiment of the invention；
Fig. 3 is the block diagram according to the refrigerator of one embodiment of the invention；
Fig. 4 is the flow chart according to the control method of the refrigerator of the embodiment of the present invention；
Fig. 5 is the flow chart according to the control method of the refrigerator of one embodiment of the invention；
Fig. 6 is the flow chart according to the control method of the refrigerator of a specific embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the refrigerator of the embodiment of the present invention and the control method of refrigerator are described.
Fig. 1 is the block diagram according to the refrigerator of the embodiment of the present invention.As depicted in figs. 1 and 2, the embodiment of the present invention
Refrigerator, including：Inlet pipeline 10, hot water line 20, cold water pipeline 30, outlet pipeline 40, the first temperature detecting unit 50 and control
Unit 60 processed.
Wherein, hot water line 20 is connected with inlet pipeline 10, and hot water valve 21 is provided with hot water line 20 and heating is single
Member 22, wherein, when hot water valve 21 is opened, the water of inlet pipeline 10 flows into hot water line 20, and heating unit 22 is to flowing into hot-water line
The water on road 20 is heated.According to one embodiment of present invention, heating unit 22 can be instantaneously heated type heater, and water inlet pipe 10 flows
What is entered is normal-temperature water.
Cold water pipeline 30 is connected with inlet pipeline 10, and cold valves 31 and cold tanks 32 are provided with cold water pipeline 30,
Wherein, when cold valves 31 are opened, the water of inlet pipeline 10 flows into cold tanks 32 by cold water pipeline 30, and cold tanks 32 are right
The water of inflow is cooled and stores cold water.Outlet pipeline 40 is connected with hot water line 20, outlet pipeline 40 and cold water pipeline
30 are connected, and outlet valve 41 is provided with outlet pipeline 40.Wherein, cold tanks 32 may be disposed in the non-freezing room of refrigerator.
First temperature detecting unit 50 may be disposed at the outside of refrigerator, for detecting ambient temperature.
Control unit 60 respectively with the first temperature detecting unit 50, heating unit 22, hot water valve 21, cold valves 31 and water outlet
Valve 41 is connected, and control unit 60 is used to instruct time control heating water valve 21 and outlet valve 41 to open and control receiving hot water effluent
Cold valves 31 are closed, and obtain target output water temperature according to ambient temperature, and are controlled and heated according to target output water temperature
The heating power of unit 22, to provide hot water by outlet pipeline 40.
It should be noted that hot water is the water that temperature is higher than cold water, normal-temperature water is temperature and external environment condition identical water, outside
Portion's environment temperature has mutual corresponding relation with hot water water temperature, and control unit 60 can prestore ambient temperature and hot water water
Temperature relation table, and can after ambient temperature is obtained by lookup table mode obtain corresponding to target output water temperature.
That is, demand cold water or hot water may be selected in user, when user selects demand hot water, control unit 60 receives
Instructed to hot water effluent, and control hot water valve 21 and outlet valve 41 to open and control cold valves 31 to close, control unit 60 passes through
First temperature detecting unit 50 obtains ambient temperature to obtain target output water temperature, is then controlled according to target output water temperature
Heating unit 22 heats to the normal-temperature water for flowing into hot water line 20, now, hot water line 20 and cold water pipeline 30 simultaneously to
Outlet pipeline 40 supplies water, and the water after the heating that hot water line 20 is flowed out is mixed in outlet pipeline 40 with the cold water that cold water pipeline 30 flows out
Close to obtain the hot water of user's request, thus hot water can be flowed out by outlet pipeline 40.Wherein, control unit 60 is according to target
The heating power of output water temperature control heating unit 22 is so that hot water temperature maintains target output water temperature.
According to one embodiment of present invention, control unit 60 is additionally operable to, when receiving cold water water outlet instruction, control out
Water valve 41 is opened and controls hot water valve 21 and cold valves 31 are closed, so that passing through outlet pipeline 40 provides cold water.
That is, when user selects demand cold water, control unit 60 receives cold water water outlet instruction, controls outlet valve
41 open and cold valves 31 and hot water valve 21 close, now cold tanks 32 store cold water flow into outlet pipeline 40, be thus
Cold water can be provided a user by outlet pipeline 40.
Specifically, when user selects hot water, control unit 60 receives hot water effluent's signal, and control unit 60 is to heat
Water valve 21 and the first signal of transmission of outlet valve 41 are so that hot water valve 21 and outlet valve 41 are opened, and send the second letter to cold valves 31
Number so that cold valves 31 are closed, meanwhile, control unit 60 receives the ambient temperature of the first temperature detecting unit 50 detection simultaneously
Target output water temperature is obtained according to ambient temperature, heating power is then sent to heating unit 22 according to target output water temperature
Control signal；When user selects cold water, control unit 60 receives cold water water outlet signal, and control unit 60 is sent out to outlet valve 41
The first signal is sent so that outlet valve 41 is opened, and to hot water valve 21 and cold valves 31 sends secondary signal so that hot water valve 21 and cold
Water valve 31 is closed.
According to one embodiment of present invention, control unit 60 is additionally operable to make the He of water valve 41 in stopping offer hot water time control
Hot water valve 21 is closed, and controls heating unit 22 to stop heating.
Specifically, during refrigerator provides a user hot water, hot water signal is provided when control unit 60 receives stopping
When, secondary signal is sent to outlet valve 41 and hot water valve 21 so that outlet valve 41 and hot water valve 21 are closed, and send stopping heating
Signal is to heating unit 22 so that heating unit 22 stops heating.
According to one embodiment of present invention, control unit 60 is additionally operable to make water valve 41 and close stopping providing cold water time control
Close, and control cold valves 31 to open after preset time is postponed, and reach preset water level time control in the water level of cold tanks 32
Refrigeration water valve 31 is closed.
Specifically, during refrigerator provides a user cold water, cold water signal is provided when control unit 60 receives stopping
When, send secondary signal to outlet valve 41 so that outlet valve 41 is closed, and starts timing by timer, when timer constantly
Between reach preset time after send the first signal to cold valves 31 so that cold valves 31 are opened, reach in the water level of cold tanks 32
Secondary signal is sent during preset water level to cold valves 31 so that cold valves 31 are closed, after preventing cold tanks injection normal-temperature water
The water temperature in cold tanks is caused to be gone up, cold water water temperature deficiency when causing secondary water outlet in the short time.
Thus, the refrigerator of the embodiment of the present invention can provide cold water and hot water, when providing hot water, pass through heating unit pair
The water for flowing into hot water line carries out Instant heating type heating, improves hot water heating speed, realizes and fast provides hot water, without providing hot water
Water tank stores hot water, effectively save space, and reduces heating energy consumption.In addition, external rings are detected by the first temperature detecting unit
Border temperature, the water that temperature is adapted with environment temperature can be provided a user, lift the experience of user.
According to one embodiment of present invention, as shown in figure 3, refrigerator also includes second temperature detection unit 70, wherein, the
Two temperature detecting units 70 be used for detect outlet pipeline 40 delivery port water temperature to generate water outlet water temperature T b (n), wherein, control
Unit 60 is additionally operable to calculate the initial heating power of heating unit 22 according to target output water temperature Tc (n) and ambient temperature
Q1, and after control heating unit 22 is heated according to initial heating power Q1, gone out according to output water temperature Tb (n) and target
Water water temperature T c (n) adjusts the heating power of heating unit 22.
Specifically, control unit 60 calculates the initial heating power of heating unit according to below equation：
Q1=C*M* (Tc (n)-Ta (n))/K1
Wherein, Q1 is the initial heating power of heating unit, and C is the specific heat capacity of water, and M is the quality stream of water in hot water line
Amount, Tc (n) are target output water temperature, and Ta (n) is ambient temperature, and K1 is the thermal conversion efficiency of heating unit.
Specifically, target output water temperature Tc (n) and ambient temperature Ta (n) difference Tc (n)-Ta can first be calculated
(n), then calculated by difference Tc (n)-Ta (n) and water is heated to target output water temperature Tc (n) from ambient temperature Ta (n)
The heat Q2, Q2=C*M* (Tc (n)-Ta (n)) needed, the heat is provided by heating unit 22, then Q2=Q1*K1, thus, is added
Initial heating power Q1=C*M* (Tc (n)-Ta (n))/K1 of hot cell 22.
Further, according to one embodiment of present invention, when output water temperature Tb (n) is more than target output water temperature Tc (n)
During with default water temperature δ t sums, i.e. Tb (n) ＞ Tc (n)+δ t, control unit 60 controls the heating power of heating unit 22 to reduce,
So as to reduce output water temperature Tb (n), so that output water temperature Tb (n) is close to target output water temperature Tc (n)；As output water temperature Tb (n)
During less than target output water temperature Tc (n) and default water temperature δ t difference, i.e. Tb (n) ＜ Tc (n)-δ t, the control heating of control unit 60
The heating power of unit 22 improves, so as to improve output water temperature Tb (n), so that output water temperature Tb (n) is close to target output water temperature
Tc(n)；When differences of the output water temperature Tb (n) more than or equal to target output water temperature Tc (n) and default water temperature δ t and it is less than or equal to target
When output water temperature Tc (n) is with default water temperature δ t sums, i.e. Tc (n)-δ t ＜ Tb (n) ＜ Tc (n)+δ t, the control of control unit 60 adds
The heating power of hot cell 22 keeps constant.
Wherein, tolerances of the water temperature δ t between target output water temperature Tc (n) and output water temperature Tb (n) is preset, its is exhausted
Smaller to being worth, actual leaving water temperature is just closer to target output water temperature Tc (n).
Specifically, after control unit 60 receives hot water effluent's instruction, control unit 60 can be first according to target water outlet water
Warm Tc (n) and ambient temperature Ta (n) difference Tc (n)-Ta (n) calculate the initial heating power Q1 of heating unit 22, and
Heating unit 22 is controlled to heat the water for flowing into hot water line 20 according to initial heating power Q1.Heating unit 22 according to
After initial heating power Q1 is heated, control unit 60 detects the water outlet of outlet pipeline 40 by second temperature detection unit
The output water temperature Tb (n) of mouth, control unit 60 judge whether water outlet water temperature T b (n) maintains target output water temperature Tc (n), i.e. Tb
(n)=Tc (n), if output water temperature Tb (n) more than or equal to target output water temperature Tc (n) and default water temperature δ t difference and be less than etc.
In target output water temperature Tc (n) and default water temperature δ t sums, judge that water outlet water temperature T b (n) maintains target output water temperature Tc (n),
Then control unit 60 controls the heating power of heating unit 22 to remain unchanged, if output water temperature Tb (n) is more than target water outlet water
Warm Tc (n) and default water temperature δ t sums, judge that water outlet water temperature T b (n) is relatively low, and control unit 60 then controls adding for heating unit 22
Thermal power reduces, to reduce output water temperature Tb (n)；If output water temperature Tb (n) is less than target output water temperature Tc (n) and default water
Warm δ t difference, judges that water outlet water temperature T b (n) is higher, and control unit 60 then controls the heating power of heating unit 22 to increase, to increase
Big output water temperature Tb (n).
In summary, the refrigerator proposed according to embodiments of the present invention, hot water line are connected with inlet pipeline, hot water line
On be provided with hot water valve and heating unit, when hot water valve is opened inlet pipeline water flow into hot water line, heating unit convection current
The water for entering hot water line is heated, and cold water pipeline is connected with inlet pipeline, and cold valves and cold water are provided with cold water pipeline
Water tank, when cold valves are opened, the water of inlet pipeline flows into cold tanks by cold water pipeline, and cold tanks enter to the water of inflow
Row cools and stores cold water, and outlet pipeline is connected with hot water line and cold water pipeline respectively, and outlet valve is provided with outlet pipeline,
Ambient temperature is detected by the first temperature detecting unit, control unit is receiving hot water effluent's instruction time control heating water valve
Opened with outlet valve and control cold valves to close, and target output water temperature is obtained according to ambient temperature, and according to mesh
The heating power of output water temperature control heating unit is marked, hot water is provided with merits and demerits outlet pipeline.Thus, the ice of the embodiment of the present invention
Case, when providing hot water, Instant heating type heating is carried out to the water for flowing into hot water line by heating unit, improves hot water heating speed
Degree, quick offer hot water is realized, without providing hot water storage hot water, effectively save space, and reduce heating energy consumption.Separately
Outside, hot water water temperature is adjusted by detecting ambient temperature, lifts the experience of user.
Fig. 4 is the flow chart according to the control method of the refrigerator of the embodiment of the present invention.Wherein, refrigerator include inlet pipeline,
Hot water line, cold water pipeline and outlet pipeline, hot water line are connected with inlet pipeline, be provided with hot water line hot water valve and
Heating unit, cold water pipeline are connected with inlet pipeline, are provided with cold valves and cold tanks on cold water pipeline, outlet pipeline with
Hot water line is connected, and outlet pipeline is connected with cold water pipeline, and outlet valve is provided with outlet pipeline.
As shown in figure 4, the flow chart of the control method of the refrigerator of the embodiment of the present invention, comprises the following steps：
S1：Detect ambient temperature.
S2：When receiving hot water effluent's instruction, control hot water valve and outlet valve is opened and control cold valves are closed, and root
Target output water temperature is obtained according to ambient temperature, and the heating power of heating unit is controlled according to target output water temperature, with
Hot water is provided by outlet pipeline.
It should be noted that hot water is the water that temperature is higher than cold water, it is mutually right that ambient temperature has with hot water water temperature
It should be related to, the relation table of ambient temperature and hot water water temperature can be prestored, and can pass through after ambient temperature is obtained
Target output water temperature corresponding to lookup table mode acquisition.
That is, demand cold water or hot water may be selected in user, when user selects demand hot water, hot water effluent is received
Instruction, control hot water valve and outlet valve is opened and control cold valves are closed, external environment condition is obtained by the first temperature detecting unit
Then temperature controls the normal-temperature water of heating unit convection current overheat water lines to obtain target output water temperature according to target output water temperature
Heated, now, hot water line and cold water pipeline supply water to outlet pipeline simultaneously, the water after the heating of hot water line's outflow with
The cold water of cold water pipeline outflow is mixed in outlet pipeline to obtain the hot water of user's request, thus can be flowed out by outlet pipeline
Hot water.Wherein, according to target output water temperature control heating unit heating power so that hot water temperature close to target output water temperature.
According to one embodiment of present invention, when receiving cold water water outlet instruction, control outlet valve is opened and control heat
Water valve and cold valves are closed, so as to provide cold water by outlet pipeline.
That is, when user selects demand cold water, cold water water outlet instruction is received, control outlet valve is opened and cold water
Valve and hot water valve are closed, and the cold water of now cold tanks storage flows into outlet pipeline, thus can be by outlet pipeline to user
Cold water is provided.
Specifically, when user selects hot water, hot water effluent's signal is received, first is sent to hot water valve and outlet valve
Signal to cold valves sends secondary signal so that cold valves are closed so that hot water valve and outlet valve are opened, meanwhile, receive first
The ambient temperature of temperature detecting unit detection simultaneously obtains target output water temperature according to ambient temperature, then according to target
Output water temperature sends heating power control signal to heating unit；When user selects cold water, cold water water outlet signal is received, to
Outlet valve sends the first signal so that outlet valve is opened, and to hot water valve and cold valves sends secondary signal so that hot water valve and cold
Water valve is closed.
According to one embodiment of present invention, provide hot water time control in stopping and make water valve and hot water valve closing, and control
Heating unit stops heating.
Specifically, during refrigerator provides a user hot water, when receiving stopping offer hot water signal, second is sent
Signal to outlet valve and hot water valve so that outlet valve and hot water valve are closed, and send stop heating signal to heating unit so that plus
Hot cell stops heating.
According to one embodiment of present invention, provide cold water time control in stopping and make water valve closing, and when delay is default
Between after control cold valves open, and cold tanks water level reach preset water level time control refrigeration water valve close.
Specifically, during refrigerator provides a user cold water, when receiving stopping offer cold water signal, second is sent
Signal and starts timing, when timer timing time reaches preset time to outlet valve so that outlet valve is closed by timer
After send the first signal to cold valves so that cold valves open, when the water level of cold tanks reaches preset water level send second letter
Number to cold valves so that cold valves are closed.
Thus, the control method of the refrigerator of the embodiment of the present invention can provide cold water and hot water, when providing hot water, pass through
Heating unit carries out Instant heating type heating to the water for flowing into hot water line, improves hot water heating speed, realizes and fast provides hot water, nothing
Hot water storage hot water, effectively save space need to be provided, and reduce heating energy consumption.In addition, pass through the first temperature detecting unit
Ambient temperature is detected, the water that temperature is adapted with environment temperature can be provided a user, lift the experience of user.
According to one embodiment of present invention, as shown in figure 5, the control method of refrigerator also includes：
S101：The water temperature of the delivery port of outlet pipeline is detected to generate output water temperature.Wherein, can be detected by second temperature
The water temperature of the delivery port of unit detection outlet pipeline is to generate water outlet water temperature T b (n).
S102：The initial heating work(of heating unit is calculated according to target output water temperature Tc (n) and ambient temperature Ta (n)
Rate Q1.
S103：After control heating unit is heated according to initial heating power Q1, according to output water temperature Tb (n) and
Target output water temperature Tc (n) adjusts the heating power of heating unit.
Specifically, the initial heating power of heating unit is calculated according to below equation：
Q1=C*M* (Tc (n)-Ta (n))/K1
Wherein, Q1 is the initial heating power of heating unit, and C is the specific heat capacity of water, and M is the quality stream of water in hot water line
Amount, Tc (n) are target output water temperature, and Ta (n) is ambient temperature, and K1 is the thermal conversion efficiency of heating unit.
Specifically, target output water temperature Tc (n) and ambient temperature Ta (n) difference Tc (n)-Ta can first be calculated
(n), then calculated by difference Tc (n)-Ta (n) and water is heated to target output water temperature Tc (n) from ambient temperature Ta (n)
The heat Q2, Q2=C*M* (Tc (n)-Ta (n)) needed, the heat is provided by heating unit, then Q2=Q1*K1, thus, heating
Initial heating power Q1=C*M* (Tc (n)-Ta (n))/K1 of unit.
Further, according to one embodiment of present invention, when output water temperature Tb (n) is more than target output water temperature Tc (n)
During with default water temperature δ t sums, i.e. Tb (n) ＞ Tc (n)+δ t, controlling the heating power of heating unit reduces, so as to reduce water outlet
Water temperature T b (n), so that output water temperature Tb (n) is close to target output water temperature Tc (n)；When output water temperature Tb (n) is less than target water outlet
When water temperature T c (n) and default water temperature δ t difference, i.e. Tb (n) ＜ Tc (n)-δ t, the heating power of heating unit is controlled to improve, so as to
Output water temperature Tb (n) is improved, so that output water temperature Tb (n) is close to target output water temperature Tc (n)；When output water temperature Tb (n) is more than
Equal to target output water temperature Tc (n) and default water temperature δ t difference and less than or equal to target output water temperature Tc (n) and default water temperature δ t
During sum, i.e. Tc (n)-δ t ＜ Tb (n) ＜ Tc (n)+δ t, the heating power of heating unit is controlled to keep constant.
Wherein, tolerances of the water temperature δ t between target output water temperature Tc (n) and output water temperature Tb (n) is preset, its is exhausted
Smaller to being worth, actual leaving water temperature is just closer to target output water temperature Tc (n).
Specifically, can be first according to target output water temperature Tc (n) and ambient temperature after hot water effluent's instruction is received
Ta (n) difference Tc (n)-Ta (n) calculates the initial heating power of heating unit, and controls heating single according to initial heating power
Member heats to the water for flowing into hot water line.After heating unit 22 is heated according to initial heating power, pass through
The output water temperature Tb (n) of the delivery port of two temperature detecting units detection outlet pipeline, judges whether water outlet water temperature T b (n) maintains
Target output water temperature Tc (n), i.e. Tb (n)=Tc (n), if output water temperature Tb (n) be more than or equal to target output water temperature Tc (n) with
Preset water temperature δ t difference and less than or equal to target output water temperature Tc (n) and default water temperature δ t sums, judge that water outlet water temperature T b (n) is tieed up
Hold in target output water temperature Tc (n), then control the heating power of heating unit to remain unchanged, if output water temperature Tb (n) is more than
Target output water temperature Tc (n) and default water temperature δ t sums, judge that water outlet water temperature T b (n) is relatively low, then control the heating of heating unit
Power reduces, to reduce output water temperature Tb (n)；If output water temperature Tb (n) is less than target output water temperature Tc (n) and default water temperature
δ t difference, judge that water outlet water temperature T b (n) is higher, then the heating power increase of heating unit is controlled, to increase output water temperature Tb
(n)。
According to the specific embodiment of the present invention, as shown in fig. 6, the control method of refrigerator comprises the following steps：
S201：Judge whether to detect that user has water demand.
If it is, perform step S203；If it is not, then perform step：202.
S202：Stop water system.
S203：Judge whether to need hot water.
If it is, perform step S204；If it is not, then perform step S210.
S204：Detect ambient temperature Ta (n).
S205：The initial power Q1 of heating unit is calculated according to ambient temperature Ta (n).
S206：Control hot water valve, heating unit and outlet valve to open, and add according to the initial power Q1 startups of heating unit
Hot cell.
S207：Judge whether the output water temperature Tb (n) of outlet pipeline delivery port maintains target output water temperature Tc (n).
If output water temperature Tb (n) maintains target output water temperature Tc (n), i.e. output water temperature Tb (n) is more than or equal to target
Output water temperature Tc (n) and default water temperature δ t difference and less than or equal to target output water temperature Tc (n) and default water temperature δ t sums, then hold
Row step S209；
If output water temperature Tb (n) does not maintain target output water temperature Tc (n), output water temperature Tb (n) is more than target water outlet
Water temperature T c (n) and default water temperature δ t's and/or output water temperature Tb (n) be less than target output water temperature Tc (n) and default water temperature δ t it
Difference, then perform step S208.
S208：Adjust the heating power of heating unit.
S209：Provide a user hot water.
S210：Provide a user cold water.
The control method of the refrigerator proposed according to embodiments of the present invention, ambient temperature is detected, is gone out when receiving hot water
When water instructs, hot water valve and outlet valve is controlled to open and control cold valves to close, and target is obtained according to ambient temperature
Output water temperature, and the heating power according to target output water temperature control heating unit, heating water is provided to pass through outlet pipeline.
Thus, the control method of the refrigerator of the embodiment of the present invention is when providing hot water, the water by heating unit to inflow hot water line
Instant heating type heating is carried out, improves hot water heating speed, quick offer hot water is provided, without providing hot water storage hot water, is had
Effect saves space, and reduces heating energy consumption.
Present invention also offers a kind of non-transitorycomputer readable storage medium, computer program is stored thereon with, should
The control method of refrigerator described above is realized when program is executed by processor.
The non-transitorycomputer readable storage medium proposed according to embodiments of the present invention, by the control method of refrigerator,
Heating unit is controlled to carry out Instant heating type heating to the water for flowing into hot water line, without providing hot water storage hot water, effectively section
About space.Quick offer hot water is provided, without providing hot water storage hot water, effectively save space, and reduces heating energy consumption.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (15)
- A kind of 1. refrigerator, it is characterised in that including：Inlet pipeline；Hot water line, the hot water line are connected with the inlet pipeline, and hot water valve is provided with the hot water line and is added Hot cell, wherein, when the hot water valve is opened, the water of the inlet pipeline flows into the hot water line, the heating unit pair The water for flowing into the hot water line is heated；Cold water pipeline, the cold water pipeline are connected with the inlet pipeline, and cold valves and cold are provided with the cold water pipeline Water tank, wherein, when the cold valves are opened, the water of the inlet pipeline flows into the cold water water by the cold water pipeline Case, the cold tanks are cooled to the water of inflow and store cold water；Outlet pipeline, the outlet pipeline are connected with the hot water line, and the outlet pipeline is connected with the cold water pipeline It is logical, it is provided with outlet valve on the outlet pipeline；First temperature detecting unit, first temperature detecting unit are used to detect ambient temperature；Control unit, described control unit respectively with first temperature detecting unit, the heating unit, the hot water valve, The cold valves are connected with the outlet valve, and described control unit is used to control the hot water when receiving hot water effluent's instruction Valve and the outlet valve are opened and control the cold valves to close, and obtain target water outlet water according to the ambient temperature Temperature, and the heating power according to the target output water temperature control heating unit, to be provided by the outlet pipeline Hot water.
- 2. refrigerator according to claim 1, it is characterised in that described control unit is additionally operable to refer to receiving cold water water outlet When making, control the outlet valve to open and control the hot water valve and the cold valves to close, so as to pass through the outlet pipeline The cold water is provided.
- 3. refrigerator according to claim 2, it is characterised in that also include：Second temperature detection unit, the second temperature detection unit be used for detect the outlet pipeline delivery port water temperature with Generate output water temperature；Wherein, described control unit is additionally operable to calculate the heating according to the target output water temperature and the ambient temperature The initial heating power of unit, and after controlling the heating unit to be heated according to the initial heating power, according to The output water temperature and the target output water temperature adjust the heating power of the heating unit.
- 4. refrigerator according to claim 3, it is characterised in that described control unit calculates the heating according to below equation The initial heating power of unit：Q1=C*M* (Tc (n)-Ta (n))/K1Wherein, Q1 is the initial heating power of the heating unit, and C is the specific heat capacity of water, and M is the matter of water in the hot water line Flow is measured, Tc (n) is the target output water temperature, and Ta (n) is ambient temperature, and K1 is that the hot-cast socket of the heating unit is imitated Rate.
- 5. refrigerator according to claim 3, it is characterised in thatWhen the output water temperature is more than the target output water temperature with default water temperature sum, described control unit control is described to be added The heating power of hot cell reduces；When the output water temperature is less than the difference of the target output water temperature and default water temperature, described control unit control is described to be added The heating power of hot cell improves；When the output water temperature is more than or equal to the difference of the target output water temperature and default water temperature and goes out less than or equal to the target When water water temperature is with default water temperature sum, described control unit controls the heating power of the heating unit to keep constant.
- 6. refrigerator according to claim 1, it is characterised in that described control unit is additionally operable to stopping providing the hot water When control the outlet valve and the hot water valve to close, and control the heating unit to stop heating.
- 7. refrigerator according to claim 1, it is characterised in that described control unit is additionally operable to stopping providing the cold water When control the outlet valve to close, and the cold valves unlatching is controlled after preset time postpone, and in the cold tanks Water level control when reaching preset water level the cold valves to close.
- A kind of 8. control method of refrigerator, it is characterised in that the refrigerator include inlet pipeline, hot water line, cold water pipeline and Outlet pipeline, the hot water line are connected with the inlet pipeline, and hot water valve is provided with the hot water line and heating is single Member, the cold water pipeline are connected with the inlet pipeline, and cold valves and cold tanks are provided with the cold water pipeline, described Outlet pipeline is connected with the hot water line, and the outlet pipeline is connected with the cold water pipeline, on the outlet pipeline Outlet valve is provided with, the described method comprises the following steps：Detect ambient temperature；When receiving hot water effluent's instruction, the hot water valve and the outlet valve is controlled to open and control the cold valves to close Close, and target output water temperature is obtained according to the ambient temperature, and add according to target output water temperature control The heating power of hot cell, to provide hot water by the outlet pipeline.
- 9. the control method of refrigerator according to claim 8, it is characterised in that also include：When receiving cold water water outlet instruction, control the outlet valve to open and control the hot water valve and the cold valves to close Close, so as to provide cold water by the outlet pipeline.
- 10. the control method of refrigerator according to claim 9, it is characterised in that also include：The water temperature of the delivery port of the outlet pipeline is detected to generate output water temperature；The initial heating power of the heating unit is calculated according to the target output water temperature and the ambient temperature water temperature；After controlling the heating unit to be heated according to the initial heating power, according to the output water temperature and described Target output water temperature adjusts the heating power of the heating unit.
- 11. the control method of refrigerator according to claim 10, it is characterised in that the heating is calculated according to below equation The initial heating power of unit：Q1=C*M* (Tc (n)-Ta (n))/K1Wherein, Q1 is the initial heating power of the heating unit, and C is the specific heat capacity of water, and M is the matter of water in the hot water line Flow is measured, Tc (n) is the target output water temperature, and Ta (n) is ambient temperature, and K1 is that the hot-cast socket of the heating unit is imitated Rate.
- 12. the control method of refrigerator according to claim 10, it is characterised in thatWhen the output water temperature is more than the target output water temperature with default water temperature sum, the heating of the heating unit is controlled Power reduces；When the output water temperature is less than the difference of the target output water temperature and default water temperature, the heating of the heating unit is controlled Power improves；When the output water temperature is more than or equal to the difference of the target output water temperature and default water temperature and goes out less than or equal to the target When water water temperature is with default water temperature sum, the heating power of the heating unit is controlled to keep constant.
- 13. the control method of refrigerator according to claim 8, it is characterised in that also include：When stopping providing the hot water, the outlet valve and the hot water valve is controlled to close, and control the heating unit to stop Only heat.
- 14. the control method of refrigerator according to claim 8, it is characterised in that also include：Control the outlet valve to close when stopping and providing the cold water, and control the cold valves to open after preset time is postponed Open, and control the cold valves to close when the water level of the cold tanks reaches preset water level.
- 15. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, it is characterised in that the program The control method of the refrigerator as described in any in claim 8-14 is realized when being executed by processor.
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| CN201710915406.6A CN107477963A (en) | 2017-09-30 | 2017-09-30 | Refrigerator and its control method |
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| CN201710915406.6A CN107477963A (en) | 2017-09-30 | 2017-09-30 | Refrigerator and its control method |
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| CN111789473A (en) * | 2020-06-28 | 2020-10-20 | 珠海格力电器股份有限公司 | Cup warming pad, cup warming pad control method and storage medium |
| CN111839148A (en) * | 2020-06-28 | 2020-10-30 | 珠海格力电器股份有限公司 | Cup warming pad, cup warming pad control method and storage medium |
| CN112161388A (en) * | 2020-09-04 | 2021-01-01 | 珠海格力电器股份有限公司 | Control method and device of air conditioner |
| CN112842078A (en) * | 2020-12-31 | 2021-05-28 | 佛山市顺德区美的饮水机制造有限公司 | Water treatment device control method, water treatment device and readable storage medium |
| CN114471418A (en) * | 2022-04-18 | 2022-05-13 | 广东众大智能科技有限公司 | Method, system and medium for controlling temperature in continuous granulation reaction kettle |
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Application publication date: 20171215 |