CN104807279B - A kind of fridge-freezer and its defrosting control method - Google Patents
A kind of fridge-freezer and its defrosting control method Download PDFInfo
- Publication number
- CN104807279B CN104807279B CN201510213293.6A CN201510213293A CN104807279B CN 104807279 B CN104807279 B CN 104807279B CN 201510213293 A CN201510213293 A CN 201510213293A CN 104807279 B CN104807279 B CN 104807279B
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- wind path
- discharge
- air
- fridge
- freezer
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/004—Control mechanisms
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/02—Detecting the presence of frost or condensate
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/006—Defroster control with electronic control circuits
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
-
- 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
- F25D2700/10—Sensors measuring the temperature of the evaporator
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Defrosting Systems (AREA)
Abstract
The present invention relates to a kind of fridge-freezer and its defrosting control methods.Specifically, the present invention provides a kind of fridge-freezer, including cabinet and door body.Defined in cabinet at least one storage room, to storage room supply cooling air-flow supply wind path, flow through the air-flow from storage room returns wind path, with the discharge wind path that supplies wind path and the cooling chamber for accommodating evaporator, blower and Defrost heater that is connected to of return wind path and connection cooling chamber and environment space.It is respectively equipped with supply air door and discharge air door in supply wind path and discharge wind path, supply wind path and discharge wind path are connected and/or blocked with selectivity.The present invention also provides a kind of defrosting control method of fridge-freezer, including receiving defrosting signal, starting is located at Defrost heater on evaporator, closes supply air door, opens discharge air door so that the hot air discharge that generates of defrosting is to environment space.
Description
Technical field
The present invention relates to evaporator Defrost technologies, more particularly to a kind of fridge-freezer and its defrosting control method.
Background technique
Under normal conditions, after running for a period of time, evaporator surface can one layer of frost of knot for the fridge-freezers such as refrigerator.
The frost layer will affect the heat exchange in evaporator and refrigerator between air, reduce evaporator refrigeration efficiency, therefore refrigerator operation one
It must defrost after the section time.
In the prior art, the mode for generalling use heating defrosts to evaporator.However, the hot gas that defrosting process generates
It can not drain into outside refrigerator, on the one hand, hot gas can be entered inside refrigerator storage room by air inlet, be caused in storage room
Temperature rises, and influences the fresh-keeping and cooling time of food.On the other hand, after defrosting, freeze again to storage room
When, it needs the long period that could restore the temperature before defrosting, adds additional the energy consumption of refrigerator.
Summary of the invention
One purpose of first aspect present invention is intended to overcome at least one defect of existing fridge-freezer, provides
A kind of fridge-freezer, the hot gas that can generate defrosting process is expelled to outside fridge-freezer, to avoid storing up
Indoor temperature rises because defrosting hot gas between object, extends the storage time of food, reduces the energy consumption of fridge-freezer.
One of first aspect present invention is further objective is that the time that shortening fridge-freezer defrosts, improves it and remove
White effect.
Another of first aspect present invention is further objective is that realize being automatically stopped for evaporator defrosting.
One purpose of second aspect of the present invention is to provide a kind of defrosting control method of fridge-freezer.
According to the first aspect of the invention, the present invention provides a kind of fridge-freezer, including cabinet and pivotally connect
It is connected to the door body of the cabinet, wherein the box house defines:
At least one is used to store the storage room of article；
Wind path is supplied, is configured to supply cooling air-flow at least one described storage room；
Wind path is returned, is configured to flow through the air-flow from least one storage room；
Cooling chamber is connected to the supply wind path and the return wind path, and it is internally provided with for returning to from described
Return air road flows into air therein and carries out cooling evaporator, for driving the indoor air of the cooling towards the supply wind
The blower of road flowing and the Defrost heater being arranged on the evaporator；And
Wind path is discharged, the cooling chamber and environment space are connected to, so that the indoor air of the cooling is directly discharged to institute
State environment space；Wherein
Supply air door and discharge air door are respectively arranged in the supply wind path and the discharge wind path, with selective conducting
And/or block the supply wind path and the discharge wind path.
Optionally, it is additionally provided in the discharge wind path for promoting the indoor air of the cooling towards the environment space
The exhaust pump of flowing.
Optionally, one end that the discharge wind path is connected to the cooling chamber is located at the blower on air-flow direction
Downstream.
Optionally, at least one described storage room includes refrigerator room and freezing compartment setting up and down, the cooling
Room is located at behind the freezing compartment, and is separated by by the back shroud of the freezing compartment and the freezing compartment.
Optionally, the supply wind path includes being located at the refrigeration air inlet duct at the refrigerator room rear and being provided with described cold
Freeze the freezing air inlet on compartment back shroud；And
The supply air door includes the refrigeration inlet air door being arranged in the refrigeration air inlet duct and is arranged in the freezing
The freezing inlet air door of air inlet.
Optionally, the return wind path includes refrigeration air -return duct, is extended to by the bottom of the refrigerator room described cold
But gas opening portion is returned in room, and intersects with the discharge wind path；And
The crosspoint of the refrigeration air -return duct and the discharge wind path is arranged in the discharge air door, so that the discharge
When air door is in first state, the refrigeration air -return duct is connected, blocks the discharge wind path, and the discharge air door is in
When the second state, the refrigeration air -return duct is blocked, the discharge wind path is connected.
Optionally, the top of the evaporator is equipped with the first temperature sensor, to detect the temperature at the top of the evaporator.
Optionally, the Defrost heater is arranged in the bottom of the evaporator, and be located at the cooling chamber bottom
Groove is opposite, so that the defrosting water generated when defrosting is flowed by the drainpipe being connected to the groove is located at the bottom of box
Water receiver in.
According to the second aspect of the invention, the present invention also provides a kind of defrosting control methods of fridge-freezer, comprising:
Step A: reception is used to indicate the defrosting signal to defrost to the evaporator of the fridge-freezer；
Step B: starting is located at the Defrost heater on the evaporator；
Step C: the supply air door being located in the supply wind path of the fridge-freezer is closed, to block the supply wind
Road；And
Step D: the discharge air door being located in the discharge wind path of the fridge-freezer is opened, the discharge wind is connected
Road, so that the hot gas generated when Defrost heater heating defrosting is directly discharged to environment space by the discharge wind path.
Optionally, after the step A further include:
Step E: starting is located at the exhaust pump in the discharge wind path, to drive the indoor hot gas of the cooling via described
Discharge wind path is emitted into environment space.
Optionally, after the step E further include:
Step F: after the temperature at the top of the evaporator reaches the first predetermined temperature, stop the Defrost heater.
Optionally, after the step F further include:
Step G: after the Defrost heater stops the predetermined time, the exhaust pump and the discharge air door are closed.
In fridge-freezer of the invention, due to being equipped with supply wind in the supply wind path of connection cooling chamber and storage room
Door is connected in the discharge wind path of cooling chamber and environment space and is equipped with discharge air door, defrosts to the indoor evaporator of cooling
When, supply wind path can be blocked by supply air door, and the hot gas generated when Defrost heater heating defrosting is avoided to pass through supply wind path
It flows into storage room；Also, discharge wind path can be opened by discharge air door, the hot gas generated when by defrosting passes through discharge wind path
It is directly discharged to environment space.Therefore, fridge-freezer of the invention can avoid the temperature in storage room because of the hot gas that defrosts
And rise, the storage time of food is extended, also, evaporator defrosting operation influences smaller, steaming on the temperature in storage room
After sending out device defrosting, when freezing again to storage room, the temperature in storage room can be made to restore within a short period of time
Temperature before to defrosting, to reduce the energy consumption of fridge-freezer.
Further, due to discharging and being additionally provided in wind path for promoting in cooling chamber in fridge-freezer of the invention
The exhaust pump that is flowed towards environment space of air, can in time will defrosting when the hot gas discharge that generate, improve the mobility of air,
So as to shorten the time of fridge-freezer defrosting, its defrosting effect is improved.
It further, can since in fridge-freezer of the invention, the top of evaporator is equipped with the first temperature sensor
Temperature at the top of real-time detection evaporator, to judge its situation that defrosts.After reaching predetermined temperature at the top of evaporator, it can close and remove
White heater, so as to be automatically stopped the defrosting operation of evaporator.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of fridge-freezer according to an embodiment of the invention；
Fig. 2 is the schematic diagram that fridge-freezer according to an embodiment of the invention is in refrigerating state；
Fig. 3 is the schematic diagram that fridge-freezer according to an embodiment of the invention is in defrosting state；
Fig. 4 is the schematic diagram of fridge-freezer in accordance with another embodiment of the present invention；
Fig. 5 is the schematic diagram of the fridge-freezer of another embodiment according to the present invention；
Fig. 6 is the flow chart of the defrosting control method of fridge-freezer according to an embodiment of the invention；
Fig. 7 is the flow chart of the defrosting control method of fridge-freezer in accordance with another embodiment of the present invention.
Specific embodiment
Fig. 1 is the schematic diagram of fridge-freezer according to an embodiment of the invention.As shown in Figure 1, freezing
Cold storage plant 1 includes cabinet 100 and the door body 200 for being pivotally connected to cabinet 100.Wherein defined at least inside cabinet 100
One storage room, supply wind path, return wind path and the cooling chamber 40 for storing article.Supply wind path is configured to at least one
A storage room supplies cooling air-flow.Wind path is returned to be configured to flow through the air-flow from least one storage room.Cooling chamber
40 are connected to supply wind path and return wind path, and it is internally provided with for cold from wind path inflow air progress therein is returned
But evaporator 41, the blower 42 for driving the air direction supply wind path flowing in cooling chamber 40 and setting are on an evaporator
Defrost heater 43.Particularly, it is further defined with discharge wind path 50 in cabinet 100, is connected to cooling chamber 40 and environment space, with
Environment space is directly discharged to for the air in cooling chamber 40.Supply air door is respectively arranged in supply wind path and discharge wind path 50
With discharge air door 51, wind path and discharge wind path 50 are supplied to selectively turn on and/or block.
Fridge-freezer 1 of the invention in the supply wind path of connection cooling chamber 40 and storage room due to being equipped with supply
Air door is connected in the discharge wind path 50 of cooling chamber 40 and environment space and is equipped with discharge air door 51.Therefore, in cooling chamber 40
When evaporator 41 is defrosted, supply wind path, the generation when heating of Defrost heater 43 being avoided to defrost can be blocked by supply air door
Hot gas by supply wind path flow into storage room in.Also, discharge wind path 50 can be opened by discharge air door 51, when by defrosting
The hot gas of generation is directly discharged to environment space by discharging wind path 50.Therefore, fridge-freezer 1 of the invention can avoid storage
Indoor temperature rises because defrosting hot gas between object, extends the storage time of food, also, the defrosting operation of evaporator 41 is to storage
Indoor temperature influences smaller between object,, can be when shorter when freezing again to storage room after evaporator 41 defrosts
It is interior that the temperature in storage room is made to restore the temperature to before defrosting, to reduce the energy consumption of fridge-freezer 1.
In some embodiments of the invention, one end that discharge wind path 50 is connected to freezing chamber 40 is on air-flow direction
Positioned at the downstream of blower 42.As a result, when evaporator 41 needs to defrost, blower 42 can be made to work on lower-wattage, to drive
The hot gas generated when dynamic defrosting is emitted into environment space by being located at the discharge wind path 50 in 42 downstream of blower, without additional
Driving part simplifies the structure of fridge-freezer 1.
In some embodiments of the invention, at least one storage room includes refrigerator room 11 and freezing setting up and down
Compartment 12, cooling chamber 40 are located at behind freezing compartment 12, and pass through the back shroud 121 and 12 phase of freezing compartment of freezing compartment 12
Every.Supply wind path includes being located at the refrigeration air inlet duct 211 at 11 rear of refrigerator room and being provided on 12 back shroud 121 of freezing compartment
Freezing air inlet 212.Supply air door includes the refrigeration inlet air door 221 being arranged in refrigeration air inlet duct 211 and is arranged cold
Freeze the freezing inlet air door 222 at air inlet 212.That is, in the embodiment of the present invention, cooling chamber 40 respectively by refrigerate into
Air duct 211 and freezing air inlet 212 are connected to refrigerator room 11 and freezing compartment 12.
Further, cooling chamber 40 have with the opening portion of supplying gas that is connected to of supply wind path, with by opening portion of supplying gas to extremely
A few storage room supplies cooling air-flow.Specifically, supply gas opening portion may include with refrigeration air inlet duct 211 air inlet end
The refrigeration of connection is supplied gas opening and supplies gas opening with the freezing that is connected to of freezing air inlet 212.Opening is supplied gas in refrigeration and freezing is supplied gas
It is open and is located at the downstream of evaporator 41 on the flow direction of air, for passing through wherein through the air after cooling of evaporator 41.
Further, refrigeration inlet air door 221 may be provided at the air inlet end of refrigeration wind inlet channel 211.Those skilled in the art answer
Understand, in other embodiments of the invention, refrigeration inlet air door 221 may also be disposed on any position of refrigeration air inlet duct 211
Set or be arranged in the air inlet of refrigerator room 11.
In some embodiments of the invention, returning to wind path may include refrigeration air -return duct 31 and freezing air -return duct 32.It is cooling
The gas opening portion of returning of room 40 may include that the refrigeration being connected to refrigeration air -return duct 31 is returned gas opening and is connected to freezing air -return duct 32
Gas opening is returned in freezing.Return gas opening portion on air-flow direction be located at evaporator 41 upstream, i.e., refrigeration return gas opening and it is cold
Freeze and return the upstream that gas opening is respectively positioned on evaporator 41, the air in refrigerator room 11 and freezing compartment 12 is guided to steaming
Device 41 is sent out, in order to cooling.Refrigeration air -return duct 31 returns gas opening portion by what the bottom of refrigerator room 11 extended to cooling chamber 40.
Further, refrigeration air -return duct 31 is located at the rear of cooling chamber 40, and be connected to cooling chamber 40 and environment space
Wind path 50 is discharged to intersect.Discharge air door 51 is arranged in refrigeration air -return duct 31 and discharges the crosspoint of wind path 50, so that when discharge
When air door 51 is in first state (closed state), conducting refrigeration air -return duct 31, and block discharge wind path 50；And make when discharge
When air door 51 is in the second state (opening state), refrigeration air -return duct 31 is blocked, and opens discharge wind path 50.It can pass through as a result,
Discharge air door 51 controls refrigeration air -return duct 31 simultaneously and discharges the conducting and/or blocking of wind path 50, thus reduce air door quantity,
The structure of fridge-freezer is simplified to a certain extent.
In some embodiments of the invention, the top of evaporator 41 is equipped with the first temperature sensor 411, to detect evaporation
The temperature at 41 top of device.After reaching the first scheduled temperature at the top of evaporator 41, it can determine whether that the defrosting of evaporator 41 terminates, therefore
The temperature data that can be detected by the first temperature sensor 411 automatically controls the stopping of Defrost heater 43 and adds to evaporator 41
Heat, to realize intelligentized control method.
Further, second temperature sensor 111 can be respectively equipped on the back shroud of refrigerator room 11 and freezing compartment 12
With third temperature sensor 122, to detect the temperature in refrigerator room 11 and freezing compartment 12 respectively.
In some embodiments of the invention, Defrost heater 43 may be provided at the bottom of evaporator 41, and cold with being located at
But the groove 44 of 40 bottom of room is opposite, so that the defrosting water generated when defrosting flows into position by the drainpipe 70 being connected to groove 44
In the water receiver 80 of 100 bottom of cabinet.Water receiver 80 is arranged on compressor 90, when compressor 90 works and runs, leads to
The heat for crossing its generation evaporates the moisture in water receiver 80.
Fig. 2 is the schematic diagram that fridge-freezer according to an embodiment of the invention is in refrigerating state, figure
Middle arrow indicates the flow direction of air.Fridge-freezer 1 is under refrigerating state, compressor 90, evaporator 41 and blower
42 are in open state.Refrigeration inlet air door 221 and freezing inlet air door 222 are opened, and refrigerate 211 He of air inlet duct with conducting
Freeze air inlet 212.Opening portion of supplying gas, supply air door and the confession of cooling chamber 40 are passed sequentially through by the cooling air-flow of evaporator 41
Storage room is flowed into wind path.That is, in embodiments of the present invention, cooling air-flow successively passes through refrigeration and supplies gas opening, cold
It hides inlet air door 221, refrigeration air inlet duct 211 and refrigerator room air inlet and flows into refrigerator room 11；Cooling air-flow is successively through being subcooled
Freeze opening of supplying gas, freezing inlet air door 222 and freezing air inlet 212 and flows into freezing compartment 12.Air in storage room passes through
It returns to wind path and flows back to cooling chamber, and flow into storage room after evaporator 41 is cooling again, thus form the circulation path of air
Diameter.That is, in embodiments of the present invention, the air in refrigerator room 11 is back to cooling chamber 40 by refrigerating air -return duct 31
Return gas opening portion, again flow into refrigerator room 11 after evaporator 41 is cooling, the air for thus forming refrigerator room 11 follows
Endless path.Air in freezing compartment 12 returns gas opening portion by freeze that air -return duct 32 is back to cooling chamber 40, through evaporator
Freezing compartment 12 is again flowed into after 41 coolings, thus forms the air circulation path of freezing compartment 12.Also, discharge air door 51
It closes, discharges wind path 50 to block, prevent from flowing to environment space by the cooling cooling air-flow of evaporator 41.
Further, when second temperature sensor 111 detects that the temperature in refrigerator room 11 reaches second predetermined value,
The controllable refrigeration inlet air door 221 of fridge-freezer 1 is closed.When third temperature sensor 122 detects in freezing compartment 12
Temperature when reaching third predetermined value, the controllable fine frozen inlet air door 222 of fridge-freezer 1 is closed.To realize storing
The automatic control of compartment refrigeration.
Fig. 3 is the schematic diagram that fridge-freezer according to an embodiment of the invention is in defrosting state, figure
Middle arrow show the flow direction of air.When fridge-freezer is in defrosting state, compressor 90 and evaporator 41 are located
In halted state.Defrost heater 43 starts, and heats to evaporator 41.It discharges air door 51 and is in the state opened, it will
The hot gas generated when defrosting is emitted into environment space by discharging wind path 50.Refrigerate inlet air door 221 and freezing inlet air door 222
It is turned off, to block refrigeration air inlet duct 211 and freezing air inlet 212, the hot gas for preventing defrosting from generating enters 11 He of refrigerator room
Freezing compartment 12 avoids it from generating the storage of temperature fluctuations affect food.Air in environment space can pass sequentially through water receiver
80, drainpipe 70 and groove 44 enter in cooling chamber 40, to form air circulation path when evaporator 41 defrosts.Further
Ground, when evaporator 41 defrosts, blower 42 can be at halted state, and the hot gas for the generation that defrosts is by way of natural heat dissipation through arranging
Road 50 of leaking informaton is emitted into environment space.Preferably, blower 42 may also be in the state to work with lower-wattage, to pass through pressure side
The hot gas that formula promotes defrosting to generate is emitted into environment space through discharging wind path 50.
Fig. 4 is the schematic diagram of fridge-freezer in accordance with another embodiment of the present invention.It is another in the present invention
In a embodiment, the exhaust being additionally provided in wind path 50 for promoting the air in cooling chamber 40 to flow towards environment space is discharged
Pump 52.One end that discharge wind path 50 is connected to cooling chamber 40 can be located at the upstream or downstream of blower 42 on air-flow direction.
When needing to defrost to evaporator, exhaust pump 52 can be opened, is discharged with the hot gas for driving defrosting to generate through discharge wind path 50
To environment space.At this point, blower 42 can be at the state stopped.Fridge-freezer involved in another embodiment of the present invention
Other structures feature it is identical as embodiment illustrated in fig. 1, which is not described herein again.
Fig. 5 is the schematic diagram of the fridge-freezer of another embodiment according to the present invention.It is another in the present invention
In a embodiment, at least one storage room includes freezing compartment 12, and cooling chamber 40 is located at behind freezing compartment 12；Supply wind
Road includes the freezing air inlet 212 being provided on 12 back shroud 121 of freezing compartment；Returning to wind path includes being located at 12 bottom of freezing compartment
The freezing air -return duct 32 in portion.Supply air door includes the freezing inlet air door 222 being arranged at freezing air inlet 212.The present invention is again
The other structures feature of fridge-freezer 1 involved in one embodiment is identical with embodiment illustrated in fig. 1, no longer superfluous here
It states.
Fig. 6 is the flow chart of the defrosting control method of fridge-freezer according to an embodiment of the invention.In this hair
In bright embodiment, defrosting control method includes:
Step A: reception is used to indicate the defrosting signal to defrost to the evaporator 41 of fridge-freezer 1；
Step B: starting is located at the Defrost heater 43 on evaporator 41；
Step C: the supply air door being located in the supply wind path of fridge-freezer 1 is closed, to block supply wind path；And
Step D: the discharge air door 51 being located in the discharge wind path 50 of fridge-freezer 1 is opened, with unblocking vent wind path
50, so that the hot gas generated when the heating defrosting of Defrost heater 43 is directly discharged to environment space by discharging wind path 50.
It will be understood by those skilled in the art that in embodiments of the present invention, step C and step D do not have sequencing, that is, opening
After dynamic Defrost heater 43, supply air door can be first closed, it is rear to open discharge air door 51；Discharge air door 51 can also be first opened, after
Close supply air door.
Fig. 7 is the flow chart of the defrosting control method of fridge-freezer in accordance with another embodiment of the present invention.At this
It invents in other embodiments, may also include that after step
Step E: starting is located at the exhaust pump 52 in discharge wind path 50, to drive the hot gas in cooling chamber 40 via discharge wind
Road 50 is emitted into environment space.Blower 42 can be at the state stopped at this time, only drive air flowing by exhaust pump 52.Ability
Field technique personnel should be understood that between step E and step C, D also without point of sequencing.That is, the elder generation of step C, D and E
Sequence does not limit afterwards, can arrange, can also carry out simultaneously in any order.
Further, may also include that after step E
Step F: after the temperature at 41 top of evaporator reaches the first predetermined temperature, stop Defrost heater 43.In the step
In rapid, the temperature at 41 top of evaporator can be detected by the way that first temperature sensor 411 at 41 top of evaporator is arranged in.First is pre-
Determine the temperature that temperature can terminate for the expression defrosting of evaporator 41.
Further, may also include that after step F
Step G: after Defrost heater 43 stops the predetermined time, exhaust pump 52 and discharge air door 51 are closed.Work as defrosting
After heater 43 stops the predetermined time, the hot gas that heating evaporation device 41 generates when defrosting substantially all is emitted into environment
Space, at this time close exhaust pump 52 and discharge air door 51 can avoid the air in fridge-freezer too much with environment space
Heat exchange occurs for air, influences the refrigeration performance of fridge-freezer.
It will be understood by those skilled in the art that fridge-freezer 1 of the present invention can be refrigerator, refrigerator-freezer, wine cabinet, cold
The device that tank etc. has refrigeration or freezing function is hidden, or other devices with refrigeration or freezing compartment.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of fridge-freezer, including cabinet and the door body for being pivotally connected to the cabinet, wherein the box house
It defines:
Refrigerator room and freezing compartment setting up and down；
Wind path is supplied, is configured to the refrigerator room and freezing compartment supply cooling air-flow；
Wind path is returned, is configured to flow through the air-flow from the refrigerator room and the freezing compartment；
Cooling chamber is connected to the supply wind path and the return wind path, and it is internally provided with for from the return wind
Road flows into air therein and carries out cooling evaporator, for driving the indoor air of the cooling towards the supply wind path stream
Dynamic blower and the Defrost heater being arranged on the evaporator；And
Wind path is discharged, the cooling chamber and environment space are connected to, so that the indoor air of the cooling is directly discharged to the ring
Border space；Wherein
Be respectively arranged in the supply wind path and the discharge wind path supply air door and discharge air door, with selectivity be connected and/
Or the supply wind path and the discharge wind path are blocked, it is additionally provided in the discharge wind path for promoting the indoor sky of the cooling
The exhaust pump that gas is flowed towards the environment space.
2. fridge-freezer according to claim 1, wherein
One end that the discharge wind path is connected to the cooling chamber is located at the downstream of the blower on air-flow direction.
3. fridge-freezer according to claim 1, wherein
The cooling chamber is located at behind the freezing compartment, and passes through the back shroud of the freezing compartment and the freezing compartment
It is separated by.
4. fridge-freezer according to claim 3, wherein
The supply wind path includes being located at the refrigeration air inlet duct at the refrigerator room rear and being provided with freezing compartment's rear cover
Freezing air inlet on plate；And
The supply air door includes that the refrigeration inlet air door being arranged in the refrigeration air inlet duct and setting are entered the wind in the freezing
Freezing inlet air door at mouthful.
5. fridge-freezer according to claim 3, wherein
The return wind path includes refrigeration air -return duct, is opened by the gas that returns that the bottom of the refrigerator room extends to the cooling chamber
Oral area, and intersect with the discharge wind path；And
The crosspoint of the refrigeration air -return duct and the discharge wind path is arranged in the discharge air door, so that the discharge air door
When in first state, the refrigeration air -return duct is connected, blocks the discharge wind path, and the discharge air door is made to be in second
When state, the refrigeration air -return duct is blocked, the discharge wind path is connected.
6. fridge-freezer according to claim 1, wherein
The top of the evaporator is equipped with the first temperature sensor, to detect the temperature at the top of the evaporator.
7. fridge-freezer according to claim 1, wherein
The bottom of the evaporator is arranged in the Defrost heater, and opposite with the groove of the cooling chamber bottom is located at, with
Flow into the defrosting water generated when defrosting in the water receiver for being located at the bottom of box by the drainpipe being connected to the groove.
8. a kind of defrosting control method of such as described in any item fridge-freezers of claim 1-7, comprising:
Step A: reception is used to indicate the defrosting signal to defrost to the evaporator of the fridge-freezer；
Step B: starting is located at the Defrost heater on the evaporator；
Step C: the supply air door being located in the supply wind path of the fridge-freezer is closed, to block the supply wind path；
And
Step D: opening the discharge air door being located in the discharge wind path of the fridge-freezer, the discharge wind path is connected,
So that the hot gas generated when the Defrost heater heating defrosting is directly discharged to environment space by the discharge wind path；
After the step A further include:
Step E: starting is located at the exhaust pump in the discharge wind path, to drive the indoor hot gas of the cooling via the discharge
Wind path is emitted into environment space.
9. control method according to claim 8, after the step E further include:
Step F: after the temperature at the top of the evaporator reaches the first predetermined temperature, stop the Defrost heater.
10. control method according to claim 9, after the step F further include:
Step G: after the Defrost heater stops the predetermined time, the exhaust pump and the discharge air door are closed.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213293.6A CN104807279B (en) | 2015-04-29 | 2015-04-29 | A kind of fridge-freezer and its defrosting control method |
| US15/523,335 US20170241696A1 (en) | 2015-04-29 | 2015-10-30 | Freezing and Refrigerating Device and Defrosting Control Method thereof |
| EP15890601.6A EP3290836B1 (en) | 2015-04-29 | 2015-10-30 | Freezing and refrigerating device and defrosting control method thereof |
| PCT/CN2015/093402 WO2016173226A1 (en) | 2015-04-29 | 2015-10-30 | Freezing and refrigerating device and defrosting control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213293.6A CN104807279B (en) | 2015-04-29 | 2015-04-29 | A kind of fridge-freezer and its defrosting control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104807279A CN104807279A (en) | 2015-07-29 |
| CN104807279B true CN104807279B (en) | 2019-01-18 |
Family
ID=53692328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510213293.6A Active CN104807279B (en) | 2015-04-29 | 2015-04-29 | A kind of fridge-freezer and its defrosting control method |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170241696A1 (en) |
| EP (1) | EP3290836B1 (en) |
| CN (1) | CN104807279B (en) |
| WO (1) | WO2016173226A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807279B (en) * | 2015-04-29 | 2019-01-18 | 青岛海尔股份有限公司 | A kind of fridge-freezer and its defrosting control method |
| CN104792094B (en) * | 2015-04-29 | 2018-02-02 | 青岛海尔股份有限公司 | A kind of fridge-freezer and its defrosting control method |
| DE102015221667A1 (en) * | 2015-11-04 | 2017-05-04 | BSH Hausgeräte GmbH | Refrigeration unit with flexible compartment |
| CN105466117B (en) * | 2015-11-19 | 2018-02-02 | 青岛海尔股份有限公司 | A kind of fridge-freezer |
| US10612832B2 (en) * | 2015-12-17 | 2020-04-07 | Samsung Electronics Co., Ltd. | Refrigerator with defrost operation control |
| CN106016955A (en) * | 2016-06-06 | 2016-10-12 | 许昌学院 | Intelligent refrigerator controller and control method |
| CN107449189A (en) * | 2017-08-30 | 2017-12-08 | 天津大学 | A kind of quick vacuum cooling unit and cooling means for eliminating evaporator defrosting waste heat |
| CN108613452B (en) * | 2017-12-29 | 2023-11-10 | 青岛海尔特种电冰柜有限公司 | Air-cooled refrigeration equipment and control method thereof |
| CN110068187A (en) * | 2019-04-11 | 2019-07-30 | 安徽康佳同创电器有限公司 | A kind of refrigerator |
| CN111137564B (en) * | 2019-12-25 | 2021-10-19 | 华南农业大学 | Frost prevention system for cold storage plate for fresh-keeping transport case and control method |
| CN113074491A (en) * | 2020-01-03 | 2021-07-06 | 青岛海尔智能技术研发有限公司 | Air-cooled refrigerator |
| CN113074481B (en) * | 2020-01-06 | 2024-01-12 | 博西华电器（江苏）有限公司 | Refrigerator control method and refrigerator |
| CN113701444A (en) * | 2020-05-22 | 2021-11-26 | 青岛海尔电冰箱有限公司 | Control method of refrigerating and freezing device |
| CN113701428A (en) * | 2020-05-22 | 2021-11-26 | 青岛海尔电冰箱有限公司 | Control method of dual-system refrigerator |
| CN113701445A (en) * | 2020-05-22 | 2021-11-26 | 青岛海尔电冰箱有限公司 | Control method of refrigerating and freezing device |
| CN113701427A (en) * | 2020-05-22 | 2021-11-26 | 青岛海尔电冰箱有限公司 | Control method of dual-system refrigerator |
| CN112665279B (en) * | 2020-12-23 | 2022-04-12 | 珠海格力电器股份有限公司 | Exhaust mechanism, refrigerator and exhaust control method of refrigerator |
| CN113720077B (en) * | 2021-09-03 | 2023-05-16 | 青岛海尔电冰箱有限公司 | Air-cooled refrigeration equipment |
| CN113776255A (en) * | 2021-10-09 | 2021-12-10 | 北京云迹科技有限公司 | Refrigeration cabinet and refrigeration system |
| CN114034157B (en) * | 2021-11-26 | 2022-11-11 | 澳柯玛股份有限公司 | But vertical transparent door hutch of air-cooled of cold and hot conversion |
| JP2023095340A (en) * | 2021-12-24 | 2023-07-06 | アクア株式会社 | refrigerator |
| CN114659322B (en) * | 2022-03-14 | 2023-10-24 | 重庆海尔制冷电器有限公司 | Air-cooled refrigerator |
| CN115342590B (en) * | 2022-08-01 | 2024-02-20 | 华东医药供应链管理(杭州)有限公司 | Intelligent control device for defrosting waste heat of air cooler of vaccine ultralow-temperature warehouse and control method of intelligent control device |
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- 2015-04-29 CN CN201510213293.6A patent/CN104807279B/en active Active
- 2015-10-30 EP EP15890601.6A patent/EP3290836B1/en active Active
- 2015-10-30 US US15/523,335 patent/US20170241696A1/en not_active Abandoned
- 2015-10-30 WO PCT/CN2015/093402 patent/WO2016173226A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3290836B1 (en) | 2020-09-30 |
| EP3290836A1 (en) | 2018-03-07 |
| US20170241696A1 (en) | 2017-08-24 |
| WO2016173226A1 (en) | 2016-11-03 |
| EP3290836A4 (en) | 2018-07-25 |
| CN104807279A (en) | 2015-07-29 |
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