CN106642884A - Control method of air supply system of air cooling refrigerator - Google Patents
Control method of air supply system of air cooling refrigerator Download PDFInfo
- Publication number
- CN106642884A CN106642884A CN201611047378.2A CN201611047378A CN106642884A CN 106642884 A CN106642884 A CN 106642884A CN 201611047378 A CN201611047378 A CN 201611047378A CN 106642884 A CN106642884 A CN 106642884A
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- Prior art keywords
- air
- temperature
- return air
- cooling
- aperture
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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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
- 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
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
-
- 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
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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
- 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
- F25D2500/00—Problems to be solved
- F25D2500/04—Calculation of parameters
-
- 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
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
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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)
Abstract
The invention provides a control method of an air supply system for supplying air to a storage chamber of an air cooling refrigerator. The air supply system comprises a cooling room provided with a cooler inside, a first air return channel controllably communicated to the upstream of the cooler of the cooling room from the storage chamber, and a second air return channel controllably communicated to the downstream of the cooler of the cooling room from the storage chamber; air currents for flowing back to the upstream of the cooling room by the first air return channel and cooled by the cooler and air currents for flowing back to the downstream of the cooling room by the second air return channel and bypassing the cooler are mixed in the cooling room to form cooling air currents; and the air supply system has a first air supply mode of communication of the first air return channel and cutoff of the second air return channel, and a second air supply mode of communication of both the first air return channel and the second air return channel. The control method comprises the steps of: detecting the temperature of the storage chamber; judging if the chamber temperature satisfies starting conditions of the first air supply mode; and judging if the chamber temperature satisfies starting conditions of the second air supply mode.
Description
Technical field
The present invention relates to refrigeration plant control, more particularly to a kind of control method of wind cooling refrigerator air cooling system.
Background technology
Existing wind cooling refrigerator is generally remote low to the temperature of the cooling air-flow of its storing compartment (especially refrigerator room) supply
In the default compartment temperature of storing compartment, so that article indoor between the storing is quickly cooled down.
However, user understands articles of the Jing often to depositing in storing compartment and deposits during the use of wind cooling refrigerator
Take, and the general temperature of article being just put into is higher.Therefore, when the higher article of temperature (i.e. heat load) is put into refrigeration by user
During compartment, supplying cooling air-flow to refrigerator room in order to avoid wind cooling refrigerator long-time causes the relatively low thing of original temperature in it
Product (i.e. cold load) are frozen in, and wind cooling refrigerator often shortens cooling time, so that the cool time of heat load greatly prolongs,
Cause growing for more bacteriums, and then affect the cold storage effect of wind cooling refrigerator.Meanwhile, the too low cooling air-flow of temperature is shorter
In cooling time the external temperature of heat load can only reduced, and be winding is effectively cooled can not the inside of heat load, so as to
So that the refrigeration of wind cooling refrigerator weakens.
Additionally, now with wind cooling refrigerator the refrigeration modes of cooling air-flow are supplied using subregion, i.e., individually to being put into heat
The region supply cooling air-flow of load is freezed.Although this refrigeration modes targetedly can quickly reduce heat load
Temperature, but because the temperature of its cooling air-flow is still very low, cooling air-flow can cause refrigerator room when can not solve refrigeration
The too low problem of interior original cold load temperature.
The content of the invention
It is an object of the present invention to realize that the cooling air-flow of higher temperature can be supplied to wind cooling refrigerator storing compartment.
A further object of the invention is that realization can be to wind cooling refrigerator storing compartment supply temperature range-controllable
Cooling air-flow.
Especially, the invention provides a kind of controlling party of the supply air system for blowing to the storing compartment of wind cooling refrigerator
Method, wherein the supply air system includes being provided with the cooling chamber of cooler in it, from the storing compartment institute is controllably communicated to
State the first return air channel of the cooler upstream of cooling chamber and be controllably communicated to the cooling chamber from the storing compartment
The cooler downstream the second return air channel, be back to the Jing institutes of the cooling chamber upstream via first return air channel
State the air-flow of cooler cooling and get around the cooler via what second return air channel was back to the cooling chamber downstream
Air-flow be mixed to form cooling air-flow in the cooling interior, the supply air system has the first return air channel connection, institute
State first air supply pattern and first return air channel, second return air channel of the blocking of the second return air channel are connected the
Two air supply patterns, wherein the control method includes：
Detect the compartment temperature of the storing compartment；
Judge whether the compartment temperature meets the entry condition of first air supply pattern；
If so, first air supply pattern is started；If it is not,
Judge whether the compartment temperature meets the entry condition of second air supply pattern；
If so, second air supply pattern is started.
Alternatively, the entry condition of first air supply pattern is that the compartment temperature is all higher than or equal to default
Interior is not greater than the heat load of default first temperature threshold between two temperature thresholds, and the storing；
The entry condition of second air supply pattern is that there is the institute more than first temperature threshold interior between the storing
State heat load；And
The second temperature threshold value is less than first temperature threshold.
Alternatively, first return air channel and second return air channel are respectively arranged with and can adjust out accordingly
The first return air air door and the second return air air door of degree, so that first return air channel and second return air channel difference are controlled
Ground connection is blocked.
Alternatively, also include after the step of starting second air supply pattern：
Detect the temperature of the cooling air-flow；
Judge the temperature of the cooling air-flow whether in default 3rd temperature range；
If so, the aperture of the first return air air door and the second return air air door is kept；If it is not,
Adjust the aperture of the first return air air door and/or the second return air air door；Wherein
The upper limit threshold of the 3rd temperature range is less than the second temperature threshold value.
Alternatively, the step of aperture of regulation the first return air air door and/or the second return air air door includes：
When the temperature of the cooling air-flow is more than the upper limit threshold of the 3rd temperature range, first return air is detected
Whether the aperture of air door is maximum, if the aperture of the first return air air door is not up to maximum, increases the first return air air door
Aperture so that the temperature of the cooling air-flow is reduced in the 3rd temperature range；Otherwise, the first return air wind is kept
The aperture of door, and detect that whether the aperture of the second return air air door is minimum, if the aperture of the second return air air door does not reach
To minimum, reduce the aperture of the second return air air door, so that the temperature of the cooling air-flow is reduced to the 3rd temperature model
In enclosing, if the aperture of the second return air air door has reached minimum, the aperture of the second return air air door is kept；
When the temperature of the cooling air-flow is less than the lower threshold of the 3rd temperature range, second return air is detected
Whether the aperture of air door is maximum, if the aperture of the second return air air door is not up to maximum, increases the second return air air door
Aperture so that the temperature of the cooling air-flow is increased in the 3rd temperature range；Otherwise, the second return air wind is kept
The aperture of door, and detect that whether the aperture of the first return air air door is minimum, if the aperture of the first return air air door does not reach
To minimum, reduce the aperture of the first return air air door, so that the temperature of the cooling air-flow is increased to the 3rd temperature model
In enclosing, if the aperture of the first return air air door has reached minimum, the aperture of the first return air air door is kept.
Alternatively, interior is provided with least one temperature-detecting device between the storing, and is configured to detect the storing
The compartment temperature of compartment and detect whether to be put into the storing more than the heat load of first temperature threshold
Compartment.
Alternatively, the supply air system also includes：
Air-supply passage, from the cooling chamber storing compartment is controllably communicated to, by from the institute of the cooling chamber
State cooling air-flow to supply to the storing compartment；And
Cooling air-flow temperature sensor, is arranged in the air-supply passage, and is configured to sense the temperature of the cooling air-flow
Degree.
Alternatively, the storing compartment has at least one board putting things, and is configured to the inside of the storing compartment is empty
Between be divided into many sub- compartments；And
Each described sub- compartment is respectively provided with least one air outlet, and is configured to make described in supply to the storing compartment
Cooling air-flow is evenly into sub- compartment each described.
Alternatively, interior is provided with temperature-detecting device described at least one between each described son, and is configured to detection
It is located described sub- compartment compartment temperature and detect whether to be put more than the heat load of first temperature threshold
Enter indoor between the son at its place.
Alternatively, the entry condition of first air supply pattern is, the compartment temperature of some or all of sub- compartment
It is all higher than or equal to the second temperature threshold value, and all interior is not greater than the institute of first temperature threshold between the son
State heat load；
The entry condition of second air supply pattern is that interior has warm more than described first between some or all of son
The heat load of degree threshold value.
The control method of the wind cooling refrigerator supply air system of the present invention can distinguish two independences of controlled connection by middle control
Return air channel carries out return air to air-flow indoor between storing, and two return air channels are connect respectively by the upstream and downstream of cooler
Enter cooling chamber such that it is able to obtain the temperature that air-flow is mixed with the air-flow cooled down without cooler cooled down via cooler
The higher cooling air-flow of degree, and then can make newly to be put into the case where ensureing that indoor original cold load is not frozen between storing
Heat load it is inside and outside can fast cooling, enhance the refrigeration of wind cooling refrigerator, improve its refrigerating efficiency,
And improve the storage ambient of its storing compartment.
Further, the control method of wind cooling refrigerator supply air system of the invention can be needed for the different refrigeration of wind cooling refrigerator
The corresponding air supply pattern of startup is sought, the refrigerating efficiency of wind cooling refrigerator is further increasing, and correspondingly reduces its work energy
Consumption.
Further, the control method of wind cooling refrigerator supply air system of the invention in air-supply passage by arranging for examining
Survey cooling air-flow temperature temperature sensor and arrange in two return air channels respectively can two of controlled adjustment aperture
Return air air door, realizes and cooling air-flow temperature range is precisely controlled, so as to further enhance the refrigeration of wind cooling refrigerator
Effect, improves its refrigerating efficiency.
According to the detailed description below in conjunction with accompanying drawing to the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, the advantages and features of the present invention.
Description of the drawings
Describe some specific embodiments of the present invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic diagram of the control method of wind cooling refrigerator supply air system according to an embodiment of the invention；
Fig. 2 is the schematic diagram of the control method of wind cooling refrigerator supply air system in accordance with another embodiment of the present invention；
Fig. 3 is the indicative flowchart of the control method of wind cooling refrigerator supply air system according to an embodiment of the invention；
Fig. 4 is the schematic elevational view that wind cooling refrigerator according to an embodiment of the invention conceals door body and part casing；
Fig. 5 is the schematic side elevation that wind cooling refrigerator according to an embodiment of the invention conceals door body and part casing；
Fig. 6 is the schematic diagram of the supply air system of wind cooling refrigerator according to an embodiment of the invention.
Specific embodiment
A kind of control method of wind cooling refrigerator supply air system is embodiments provided, wherein supply air system is included in it
Be provided with the cooling chamber of cooler, be controllably communicated to from storing compartment cooling chamber cooler upstream the first return air channel and
The second return air channel of the cooler downstream of cooling chamber is controllably communicated to from storing compartment, is back to via the first return air channel
The air-flow of the Jing coolers cooling of cooling chamber upstream and get around cooler via what the second return air channel was back to cooling chamber downstream
Air-flow be mixed to form cooling air-flow in cooling interior, supply air system has the connection of the first return air channel, the resistance of the second return air channel
The second air supply pattern that disconnected the first air supply pattern and the first return air channel, the second return air channel is connected.
Fig. 1 is the schematic diagram of the control method of wind cooling refrigerator supply air system according to an embodiment of the invention.Referring to figure
1, the control method of the wind cooling refrigerator supply air system includes：
Step S104, detects the compartment temperature of storing compartment；
Step S302, judges whether compartment temperature meets the entry condition of the first air supply pattern of supply air system, if holding
Row step S3202, if not execution step S304；
Step S3202, starts the first air supply pattern of supply air system；
Step S304, judges whether compartment temperature meets the entry condition of the second air supply pattern of supply air system, if holding
Row step S306, if not execution step S3404；
Step S306, starts the second air supply pattern of supply air system；
Step S3404, supply air system does not start work.
Above step S302 centre room temperature meets the condition of the entry condition of the first air supply pattern of supply air system to be included：
Acquired compartment temperature is more than default second temperature threshold value in step S104, and between storing it is indoor without temperature more than default
The first temperature value heat load.The first air supply pattern in step S3202 is the conducting of the first return air channel, and the second return air
The air supply pattern of carrier frequency channel break.
The entry condition of the second air supply pattern that room temperature meets supply air system includes in the middle of step S304：It is indoor between storing
There are heat load of the temperature more than the first temperature value.The second air supply pattern in step S306 is the first return air channel and
The air supply pattern that two return air channels are both turned on.Wherein, second temperature threshold value is less than first temperature threshold.
Supply air system does not start work and may include in step S3404：If supply air system state before this in not blowing,
Holding is not blown, and now the first return air channel and the second return air channel are blocking.If supply air system is before this in the shape of air-supply
State, then out-of-blast, now the first return air channel and the second return air channel are blocking.
The control method of the wind cooling refrigerator supply air system of the present invention can distinguish two independences of controlled connection by middle control
Return air channel carries out return air to air-flow indoor between storing, and two return air channels are connect respectively by the upstream and downstream of cooler
Enter cooling chamber such that it is able to obtain the temperature that air-flow is mixed with the air-flow cooled down without cooler cooled down via cooler
The higher cooling air-flow of degree, and then can make newly to be put into the case where ensureing that indoor original cold load is not frozen between storing
Heat load it is inside and outside can fast cooling, enhance the refrigeration of wind cooling refrigerator, improve its refrigerating efficiency,
And improve the storage ambient of its storing compartment.Further, the control method of wind cooling refrigerator supply air system of the invention can pin
Corresponding air supply pattern is started to the different refrigeration demands of wind cooling refrigerator, the refrigerating efficiency of wind cooling refrigerator is further increasing,
And correspondingly reduce its operating power consumption.
In some alternative embodiments of the present invention, wind cooling refrigerator can also include：First return air channel and the second return air
Passage is respectively arranged with the first return air air door and the second return air air door that can correspondingly adjust aperture, so that the first return air channel
Controllably connect or block respectively with the second return air channel.
Fig. 2 is the schematic diagram of the control method of wind cooling refrigerator supply air system in accordance with another embodiment of the present invention.Referring to
Fig. 2, the control method of the wind cooling refrigerator supply air system includes：
Step S104, detects the compartment temperature of storing compartment；
Step S302, judges whether compartment temperature meets the entry condition of the first air supply pattern of supply air system, if holding
Row step S3202, if not execution step S304；
Step S3202, starts the first air supply pattern of supply air system；
Step S304, judges whether compartment temperature meets the entry condition of the second air supply pattern of supply air system, if holding
Row step S306, if not execution step S3404；
Step S306, starts the second air supply pattern of supply air system；
Step S3404, supply air system does not start work；
Step S112, detects the temperature of cooling air-flow；
Step S502, judges the temperature of cooling air-flow whether in default 3rd temperature range, if execution step
S118, if not execution step S5202；
Step S118, keeps the aperture of the first return air air door and the second return air air door；
Step S5202, adjusts the aperture of the first return air air door and/or the second return air air door.
Wherein, in above step, the upper limit threshold of the 3rd temperature range is less than second temperature threshold value.
Further, the step of aperture of the first return air air door and/or the second return air air door is adjusted in step S5202 is wrapped
Include：
When the temperature of cooling air-flow is more than the upper limit threshold of default 3rd temperature range, the first return air air door is detected
Whether aperture is maximum, if the aperture of the first return air air door is not up to maximum, increases the aperture of the first return air air door.Otherwise, examine
Whether the aperture for surveying the second return air air door is minimum, if the aperture of the second return air air door is not up to minimum, reduces the second return air wind
The aperture of door, if the aperture of the second return air air door has reached minimum, keeps the aperture of the second return air air door.
When the temperature of cooling air-flow is less than the lower threshold of the 3rd temperature range, detecting the aperture of the second return air air door is
It is no for maximum, if the aperture of the second return air air door is not up to maximum, increase the aperture of the second return air air door.Otherwise, first is detected
Whether the aperture of return air air door is minimum, if the aperture of the first return air air door is not up to minimum, reduces opening for the first return air air door
Degree, if the aperture of the first return air air door has reached minimum, keeps the aperture of the first return air air door.
Fig. 3 is the flow chart of the control method of wind cooling refrigerator supply air system according to an embodiment of the invention.The flow process
The execution flow process of the control method during air-supply of the supply air system of the wind cooling refrigerator of the present embodiment is illustrated, such as Fig. 3 institutes
Show, the control method includes：
Step S104, detects the compartment temperature of storing compartment；
Step S106, judges whether monitored compartment temperature is less than second temperature threshold value, if execution step S602,
Execution step S108 if not；
Step S602, the first return air channel of blocking and the second return air channel；
Step S108, judges the indoor heat load for being more than the first temperature threshold with the presence or absence of temperature between storing, if being carried out
Step S110, if not execution step S802；
Step S110, the first return air channel of connection and the second return air channel；
Step S802, connects the first return air channel, blocks the second return air channel；
Step S112, detects the temperature of cooling air-flow；
Whether step S114, the temperature for judging detected cooling air-flow is more than the upper limit threshold of the 3rd temperature range, if
Step S1402 is carried out, if not execution step S116；
Whether step S1402, the aperture for judging the first return air air door reaches maximum, if execution step S1404, holds if not
Row step S4202；
Whether step S116, the temperature for judging detected cooling air-flow is less than the lower threshold of the 3rd temperature range, if
Step S1602 is carried out, if not execution step S118；
Whether step S1404, the aperture for judging the second return air air door reaches minimum, if execution step S118, holds if not
Row step S4402；
Step S4202, increases the aperture of the first return air air door；
Whether step S1602, the aperture for judging the second return air air door reaches maximum, if execution step S1604, holds if not
Row step S6202；
Step S118, keeps the aperture of the first return air air door and the second return air air door；
Step S4402, reduces the aperture of the second return air air door；
Whether step S1604, the aperture for judging the first return air air door reaches minimum, if execution step S118, holds if not
Row step S6402；
Step S6202, increases the aperture of the second return air air door；
Step S6402, reduces the aperture of the first return air air door.
The control flow of the supply air system of the wind cooling refrigerator 1 shown in Fig. 3 is to the first return air channel 31 and the second return air channel
Connection, blocking and the increase to the first return air air door and the aperture of the second return air air door, reduction be controlled.Wherein,
Two temperature thresholds are less than the first temperature threshold, and the upper limit threshold of the 3rd temperature range is less than second temperature threshold value.
In some alternative embodiments of the present invention, wind cooling refrigerator can also include：Interior is provided with least one between storing
Individual temperature-detecting device, and be configured to detect the compartment temperature of storing compartment and detect whether more than the first temperature threshold
Heat load is put into storing compartment.
In some alternative embodiments of the present invention, wind cooling refrigerator can also further include air-supply passage and cooling air-flow
Sensor.Wherein, air-supply passage is configured to controllably be communicated to storing compartment from cooling chamber, by from the cooling gas of cooling chamber
Stream supply is to storing compartment.Cooling air-flow temperature sensor is arranged in air-supply passage, and is configured to sense the temperature of cooling air-flow
Degree.
Further, storing compartment can have at least one board putting things, and be configured to the inner space of storing compartment point
It is divided into many sub- compartments.At least one air outlet is respectively provided with per individual sub- compartment, and is configured to make supply to the cooling of storing compartment
Air-flow is evenly into each sub- compartment.And, per individual sub- compartment in be provided with least one temperature-detecting device, and configure
Into detect its be located sub- compartment compartment temperature and detect whether to be put more than the heat load of default first temperature threshold
Enter indoor between the son at its place.
In the control method of the wind cooling refrigerator supply air system of the present embodiment, the entry condition of the first air supply pattern
For the compartment temperature of some or all of sub- compartment is all higher than or equal to second temperature threshold value, and all there be not interior between son
More than the heat load of default first temperature threshold.The entry condition of the second air supply pattern can be, between some or all of son
There is the heat load more than default first temperature threshold interior.Wherein, second temperature threshold value is less than the first temperature threshold.
The control method of the wind cooling refrigerator supply air system of the present invention, it is adaptable to which indoor temperature is higher between wind cooling refrigerator storing
Heat load need the situation of rapid cooling.Further, the control method of wind cooling refrigerator supply air system of the invention is by sending
The temperature sensor for detecting cooling air-flow temperature arranged in wind passage and the setting in two return air channels respectively
Can controlled adjustment aperture two return air air doors, realize and cooling air-flow temperature range be precisely controlled, so as to further
Enhance the refrigeration of wind cooling refrigerator, improve its refrigerating efficiency, be particularly suited for storing compartment for storage temperature 0 DEG C with
On refrigerator room situation.
Fig. 4 is the schematic elevational view that wind cooling refrigerator according to an embodiment of the invention conceals door body and part casing,
Fig. 5 is the schematic side elevation that wind cooling refrigerator according to an embodiment of the invention conceals door body and part casing, and Fig. 6 is basis
The schematic diagram of the supply air system of the wind cooling refrigerator of one embodiment of the invention.Referring to Fig. 4 to Fig. 6, wind cooling refrigerator 1 includes
At least one storing compartment 10, and for supplying the supply air system 20 of cooling air-flow, wherein supply air system to storing compartment 10
20 may include：Cooling chamber 40, the first return air channel 31 and the second return air channel 32.Specifically, it is provided with cooling in cooling chamber 40
Device 41, for cooling down to the air-flow for flowing through it.Herein it should be noted that cooler 41 can be evaporimeter, condenser
Or semiconductor chilling plate etc., its is specifically chosen to belong to known category, is it will be understood by the skilled person that repeating no more here.
First return air channel 31 is configured to from storing compartment 10 controllably be communicated to the upstream of cooler 41 in cooling chamber 40,
So that being cooled from the airflow passes cooler 41 that storing compartment 10 is back to cooling chamber 40 via the first return air channel 31.The
Two return air channels 32 are configured to from storing compartment 10 controllably be communicated to the downstream of cooler 41 in cooling chamber 40, so that via
Two return air channels 32 get around cooler 41, and 41 cooling in cooling chamber 40 from the air-flow that storing compartment 10 is back to cooling chamber 40
The downstream of device is mixed to form cooling air-flow with air-flow that is flowing back via the first return air channel 31 and flowing through cooler 41.Namely
It is that the first return air channel 31 is located at the upstream of cooler 41 with the connectivity part of cooling chamber 40, so that leading in storing compartment 10
Crossing the first return air channel 31, to be back to the first return air stream of cooling chamber 40 first cold via cooler 41 after into cooling chamber 40
But, then still further below trip continues to flow.Second return air channel 32 is located at the downstream of cooler 41 with the connectivity part of cooling chamber 40, from
And cause the second return air stream for being back to cooling chamber 40 by the second return air channel 32 in storing compartment 10 entering cooling chamber
The downstream of cooler 41 is directly reached after 40, will not be cooled down via cooler 41.Thus, via cooler 41 cool down temperature compared with
Low the first return air stream and the second return air stream cooled down without cooler 41 can be in the downstreams of the intercooler 41 of cooling chamber 40
The higher cooling air-flow of temperature is mixed to form, so as to after the higher cooling air-flow of the temperature enters storing compartment, protect
In the case that indoor original cold load is not frozen between card storing, the heat load fast cooling being newly put into is made, enhance air-cooled ice
The refrigeration of case, and improve the storage ambient of storing compartment.
Especially, in some currently preferred embodiments of the present invention, when storing compartment 10 is that storage temperature is cold more than 0 DEG C
When hiding compartment, the first return air channel 31 and the second return air channel 32 can further be arranged to, and make the in arrival cooling chamber 40
The ratio of one return air stream and the second return air stream meets：It it is 0 DEG C by the temperature of the two cooling air-flow for mixing, so as to enter
Improve to one step the storage ambient of storing compartment.
In some embodiments of the invention, supply air system 20 has at least two air supply patterns.Specifically, air supply pattern
In two of which can be：First return air channel 31 is turned on, and the first air supply pattern of the blocking of the second return air channel 32；And the
The second air supply pattern that one return air channel 31 and the second return air channel 32 are both turned on.Further, supply air system 20 also has the
The original state that one return air channel 31 and the second return air channel 32 are blocked.It is understood that in the present embodiment, first send
The temperature of cooling air-flow will be less than the temperature of cooling air-flow under the second air supply pattern under wind pattern.Thus, for different refrigeration
Demand, supply air system 20 can start different air supply patterns, to improve the refrigerating efficiency of wind cooling refrigerator 1, shorten its cooling time,
And then reduce its operating power consumption.For example article in storing compartment 10 is carried out in the cooling air-flow for needing supply temperature relatively low cold
When but, can correspondingly start the first air supply pattern.
In some embodiments of the invention, supply air system 20 also includes air-supply passage 50 and blower fan 60.Specifically, blow
Passage 50 can be configured to from cooling chamber 40 and controllably be communicated to storing compartment 10, will be from the supply of the cooling air-flow of cooling chamber 40
To storing compartment 10.Blower fan 60 may be provided at the downstream of the flow export of the second return air channel 32 in cooling chamber 40, or also can set
Put between cooling chamber 40 and air-supply passage 50, for promoting cooling air-flow to supply to storing compartment 10 from cooling chamber 40.Specifically
Ground, blower fan 60 is preferably centrifugal blower, and is arranged at the downstream of the flow export of the second return air channel 32, and thus, blower fan 60 can
Promote the first return air stream and the second return air stream further to be mixed in it, then accelerate to be flowed to storing compartment 10
It is dynamic, so that the temperature for being finally reached the cooling air-flow of storing compartment 10 is more uniform.
In some embodiments of the invention, the first return air channel 31 and the second return air channel 32 can be respectively arranged with accordingly
The the first return air air door 310 and the second return air air door 320 that can adjust aperture so that the first return air channel 31 and the second return air
Passage 32 is controllably connected respectively or blocked.It will be appreciated by persons skilled in the art that the first return air air door 310 and second time
Wind air door 320 can be MOD or can realize the air door of the other forms of effects equivalent.
In some embodiments of the invention, at least one temperature-detecting device 120 can be provided with storing compartment 10, and
It is configured to detect the compartment temperature of storing compartment 10 and detects whether to be put more than the heat load of default first temperature threshold
Enter storing compartment 10.It should be noted that temperature-detecting device 120 can be infrared temperature sensor, or sensitivity
Other high temperature-detecting devices, its is specifically chosen to belong to known category, is it will be understood by the skilled person that therefore here not
Repeat again.
In some embodiments of the invention, storing compartment 10 can have at least one board putting things 100, and be configured to store up
The inner space of thing compartment 10 is divided into many sub- compartments 101.At least one air outlet can be also respectively provided with per individual sub- compartment 101
110, and be configured to make supply cooling air-flow to storing compartment 10 evenly into each sub- compartment via air-supply passage 50
101.Preferably, the air outlet 110 in each sub- compartment 101 can be multiple, and be evenly distributed in the inwall of sub- compartment 101
On, so that the compartment temperature of each sub- compartment 101 is synchronously reduced, so as to reach more preferable cooling effect.
It is interior per individual sub- compartment 101 to be also provided with the inspection of at least one temperature in some currently preferred embodiments of the present invention
Device 120 is surveyed, and is configured to detect the compartment temperature of its sub- compartment 101 being located and has been detected whether more than default first
The heat load of temperature threshold is put into the sub- compartment 101 at its place.
In some embodiments of the invention, supply air system 20 can be configured to, when the compartment temperature of whole sub- compartments it is little
When default second temperature threshold value, supply air system 20 is not blown or out-of-blast.When the compartment temperature of whole sub- compartments it is equal
More than or equal to second temperature threshold value, and when all interior does not have heat load between son, the first air supply pattern starts, so that all
The compartment temperature of sub- compartment is decreased to less than second temperature threshold value.When there is heat load interior between some or all of son, second
Air supply pattern starts, so that the temperature of heat load is decreased to less than second temperature threshold value.Wherein, second temperature threshold value is warm less than first
Degree threshold value.
That is, in the present embodiment, when the compartment temperature of each sub- compartment 101 in storing compartment 10 is satisfied by storage
During condition needed for article (i.e. its compartment temperature is less than second temperature threshold value), supply air system 20 is not blown, and if now blowing
System 20 is blown, then out-of-blast.Now the first return air channel 31 and the second return air channel 32 are blocking state, blower fan
50 and cooler 41 do not work.It is understood that when the compartment temperature of each sub- compartment 101 in storing compartment 10 is respectively less than
During second temperature threshold value, can not possibly there is heat load of the temperature more than the first temperature threshold in it.
When the condition needed for the compartment temperature of some or all of sub- compartment of storing compartment 10 is unsatisfactory for storage article,
Supply air system 20 starts work.
Specifically, if now there is no temperature in each sub- compartment 101 of storing compartment 10 more than the first temperature threshold
Heat load, then supply air system 20 supply cooling air-flow, as only the first return air to storing compartment 10 by the first air supply pattern
The air supply pattern of the conducting of passage 31, now the second return air channel 32 is blocking state, blower fan 50 and the equal startup optimization of cooler 41.
Under the first air supply pattern, cooling air-flow by the first return air channels of Jing 31 to be only back to cooling chamber 40 and cold via cooler 41
But the first return air stream composition, its temperature is relatively low, such that it is able to promptly by between each sub- compartment 101 of storing compartment 10
Room temperature is down to the condition met needed for storage article.It is understood that when indoor equal between all sons of storing compartment 10
Do not exist temperature more than the first temperature threshold heat load when, it is only necessary to supplying cooling air-flow in short time to storing compartment 10 is
The compartment temperature of its all sub- compartment can be down to below second temperature threshold value, therefore be not in the thing in storing compartment 10
The problem that product are frozen in because of long-time contact sub-cooled air-flow.
If now there are heat of the temperature more than the first temperature threshold in some or all of sub- compartment of storing compartment 10
Load, then supply air system 20 supplies cooling air-flow, as the first return air channel 31 by the second air supply pattern to storing compartment 10
The air supply pattern being both turned on the second return air channel 32, now blower fan 50 and cooler 41 also equal startup optimization.In the second air-supply
Under pattern, cooling air-flow is to be mixed and formed by the first return air stream and the second return air stream, and its temperature is higher than the first air-supply mould
The temperature of the cooling air-flow under formula, such that it is able to realize ensure between some or all of son of storing compartment 10 indoor temperature compared with
In the case that low cold load is not frozen in, the higher heat load of temperature is set quickly to be down to the temperature met needed for storage article.
It is understood that when the temperature of the higher heat load of temperature is down to below second temperature threshold value, positioned at same storing compartment
The temperature of the relatively low cold load of temperature in 10 is also inevitable below second temperature threshold value, so that storing compartment 10 is all
The compartment temperature of sub- compartment is satisfied by the condition needed for storage article.
In some embodiments of the invention, when storing compartment 10 is refrigerator room of the storage temperature more than 0 DEG C, the
Two temperature thresholds can be the temperature of general wind cooling refrigerator refrigerator room, that is to say the arbitrary temperature within the temperature range of 2 DEG C～8 DEG C
Degree.For example second temperature threshold value can be set as 4 DEG C, 5 DEG C or 6 DEG C according to the demand of user.First temperature threshold can be
More than arbitrary temperature of set second temperature threshold value.For example when second temperature threshold value is set as 7 DEG C, then the first temperature threshold
Value can be 10 DEG C, 20 DEG C or 30 DEG C etc. the temperature values more than 7 DEG C, when second temperature threshold value is set as 3 DEG C, then the first temperature
Threshold value can be 4 DEG C, 8 DEG C or 12 DEG C etc. the temperature values more than 3 DEG C.It should be noted that the first temperature threshold is also dependent on tool
The type set of the temperature-detecting device that body is chosen is other the suitable temperature values more than second temperature threshold value.
In some embodiments of the invention, supply air system 20 may also include cooling air-flow temperature sensor 510.Cooling gas
Stream temperature sensor 510 may be disposed in air-supply passage 50, and be configured to sense the temperature of cooling air-flow.
In some embodiments of the invention, the first return air air door 310 and the second return air air door 320 are in the second air supply pattern
Under can be configured to：When the temperature of cooling air-flow is more than the upper limit threshold of default 3rd temperature range or less than the 3rd temperature range
Lower threshold when, can adjust the aperture of the first return air air door 310 and/or the second return air air door 320, change via the first return air
Passage 31 and the air-flow ratio of cooling chamber 40 is back to via the second return air channel 32, so that the temperature of cooling air-flow is maintained at
In three temperature ranges.Wherein, the upper limit threshold of the 3rd temperature range is less than second temperature threshold value.
That is, in the present embodiment, when the temperature of cooling air-flow it is less than the upper limit threshold of the 3rd temperature range and big
When the lower threshold of the 3rd temperature range, the aperture of the first return air air door 310 and the second return air air door 320 keeps constant,
So that the temperature of cooling air-flow is maintained in the 3rd temperature range, until the compartment temperature of all sub- compartments is equal in storing compartment 10
It is down to below second temperature threshold value.
When cooling air-flow temperature more than the 3rd temperature range upper limit threshold when, adjust the first return air air door 310 and/or
The aperture of the second return air air door 320, so as to be back to first return air stream and Jing of cooling chamber 40 via the first return air channel 31
The ratio increase of the second return air stream of cooling chamber 40 is back to by the second return air channel 32, so that the temperature of cooling air-flow
It is reduced in the 3rd temperature range.Specifically, if the aperture of the first return air air door 310 is not up to maximum, the first return air is increased
The aperture of air door 310, to increase the first return air stream into cooling chamber 40, until the temperature of cooling air-flow to be reduced to the 3rd warm
In the range of degree.If the aperture of the first return air air door 310 has reached maximum, but the temperature of cooling air-flow still greater than the 3rd temperature range
Upper limit threshold, then reduce the aperture of the second return air air door 320, to reduce the second return air stream into cooling chamber 40, until
The temperature of cooling air-flow is reduced in the 3rd temperature range or the aperture of the second return air air door 320 reaches minimum.
Correspondingly, when the temperature of cooling air-flow is less than the lower threshold of the 3rd temperature range, the first return air air door is adjusted
310 and/or second return air air door 320 aperture, so as to be back to the first return air of cooling chamber 40 via the first return air channel 31
The ratio of air-flow and the second return air stream that cooling chamber 40 is back to via the second return air channel 32 reduces, so that cooling gas
The temperature of stream is increased in the 3rd temperature range.Specifically, if the aperture of the second return air air door 320 is not up to maximum, increase
The aperture of the second return air air door 320, to increase the second return air stream into cooling chamber 40 until the temperature of cooling air-flow is raised
To the 3rd temperature range.If the aperture of the second return air air door 320 has reached maximum, but the temperature of cooling air-flow still less than the 3rd
The lower threshold of temperature range, then reduce the aperture of the first return air air door 310, to reduce the second return air gas into cooling chamber 40
Stream, the temperature of cooling air-flow is increased in the 3rd temperature range or the aperture of the first return air air door 310 reaches minimum.
That is to say, two return air damper configurations into, cooling air-flow temperature more than the 3rd temperature range upper limit threshold
Or less than the 3rd temperature range lower threshold when, need increase aperture return air air door be adjusted first, until cooling gas
The temperature of stream is reduced or is increased in the 3rd temperature range.If the aperture of the return air air door has reached maximum, but cooling air-flow
Temperature still greater than the upper limit threshold or the lower threshold still less than the 3rd temperature range of the 3rd temperature range, then need reduction to open
Another return air air door of degree is just adjusted, until the temperature of cooling air-flow reduce or be increased to the 3rd temperature range it is interior or
The aperture of another return air air door reaches minimum.Thus, may be implemented in and change the first return air stream and the second return air stream
While ratio is so that chilling temperature is raised and lowered to the 3rd temperature range, cooling air-flow as much as possible is supplied to storage
In thing compartment 10, so as to shorten the working time of supply air system, the refrigerating efficiency of wind cooling refrigerator 1 is improve, and improve its section
The ability that can be lowered consumption.
It should be noted that the selection of the 3rd temperature range need to meet its upper limit threshold less than default second temperature threshold
The condition of value.That is to say, when second temperature threshold preset is 3 DEG C, the upper limit threshold of the 3rd temperature range may be less than 3 DEG C
Arbitrary temp value.It for example can be 1 DEG C, 0 DEG C or -3 DEG C etc..Correspondingly, the 3rd temperature range may be configured as -2 DEG C～1 DEG C, 0 DEG C
～1 DEG C or -3 DEG C～2 DEG C etc..Especially, in some currently preferred embodiments of the present invention, when storing compartment 10 is that storage temperature is big
When 0 DEG C of refrigerator room, the 3rd temperature range can be set to -1 DEG C to 0 DEG C, further to lift the refrigeration of wind cooling refrigerator 1
Effect.
So far, although those skilled in the art will appreciate that detailed herein illustrate and describe multiple showing for the present invention
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of control method of the supply air system for blowing to the storing compartment of wind cooling refrigerator, wherein the supply air system bag
The cooling chamber that cooler is provided with it is included, is controllably communicated on the cooler of the cooling chamber from the storing compartment
Trip the first return air channel and be controllably communicated to from the storing compartment cooling chamber the cooler downstream second
Return air channel, the air-flow and Jing of cooler cooling described in the Jing of the cooling chamber upstream are back to via first return air channel
The air-flow for getting around the cooler for being back to the cooling chamber downstream by second return air channel is indoor mixed in the cooling
Conjunction forms cooling air-flow, the supply air system have the first return air channel connection, the of second return air channel blocking
The second air supply pattern that one air supply pattern is connected with first return air channel, second return air channel, wherein the control
Method processed includes：
Detect the compartment temperature of the storing compartment；
Judge whether the compartment temperature meets the entry condition of first air supply pattern；
If so, first air supply pattern is started；If it is not,
Judge whether the compartment temperature meets the entry condition of second air supply pattern；
If so, second air supply pattern is started.
2. method according to claim 1, wherein
The entry condition of first air supply pattern is that the compartment temperature is all higher than or equal to default second temperature threshold value,
And interior is not greater than the heat load of default first temperature threshold between the storing；
The entry condition of second air supply pattern is that there is the heat more than first temperature threshold interior between the storing
Load；And
The second temperature threshold value is less than first temperature threshold.
3. method according to claim 2, wherein
First return air channel and second return air channel are respectively arranged with corresponding can adjust aperture first time
Wind air door and the second return air air door, so that first return air channel is controllably connected or hindered respectively with second return air channel
It is disconnected.
4. method according to claim 3, wherein, the step of start second air supply pattern after also include：
Detect the temperature of the cooling air-flow；
Judge the temperature of the cooling air-flow whether in default 3rd temperature range；
If so, the aperture of the first return air air door and the second return air air door is kept；If it is not,
Adjust the aperture of the first return air air door and/or the second return air air door；Wherein
The upper limit threshold of the 3rd temperature range is less than the second temperature threshold value.
5. method according to claim 4, wherein, adjust the first return air air door and/or the second return air air door
Aperture the step of include：
When the temperature of the cooling air-flow is more than the upper limit threshold of the 3rd temperature range, the first return air air door is detected
Aperture be whether maximum, if the aperture of the first return air air door is not up to maximum, increase opening for the first return air air door
Degree, so that the temperature of the cooling air-flow is reduced in the 3rd temperature range；Otherwise, the first return air air door is kept
Aperture, and detect that whether the aperture of the second return air air door is minimum, if the aperture of the second return air air door is not up to most
It is little, reduce the aperture of the second return air air door, so that the temperature of the cooling air-flow is reduced in the 3rd temperature range,
If the aperture of the second return air air door has reached minimum, the aperture of the second return air air door is kept；
When the temperature of the cooling air-flow is less than the lower threshold of the 3rd temperature range, the second return air air door is detected
Aperture be whether maximum, if the aperture of the second return air air door is not up to maximum, increase opening for the second return air air door
Degree, so that the temperature of the cooling air-flow is increased in the 3rd temperature range；Otherwise, the second return air air door is kept
Aperture, and detect that whether the aperture of the first return air air door is minimum, if the aperture of the first return air air door is not up to most
It is little, reduce the aperture of the first return air air door, so that the temperature of the cooling air-flow is increased in the 3rd temperature range,
If the aperture of the first return air air door has reached minimum, the aperture of the first return air air door is kept.
6. method according to claim 2, wherein
Interior is provided with least one temperature-detecting device between the storing, and be configured to detect the storing compartment it is described between
Room temperature and detect whether to be put into the storing compartment more than the heat load of first temperature threshold.
7. method according to claim 6, wherein the supply air system also includes：
Air-supply passage, is controllably communicated to the storing compartment, by from the described cold of the cooling chamber from the cooling chamber
But air-flow is supplied to the storing compartment；And
Cooling air-flow temperature sensor, is arranged in the air-supply passage, and is configured to sense the temperature of the cooling air-flow.
8. method according to claim 7, wherein
The storing compartment has at least one board putting things, and is configured to be divided into the inner space of the storing compartment multiple
Sub- compartment；And
Each described sub- compartment is respectively provided with least one air outlet, and is configured to make supply to the cooling of the storing compartment
Air-flow is evenly into sub- compartment each described.
9. method according to claim 8, wherein
Interior is provided with temperature-detecting device described at least one between each described son, and is configured to detect the described of its place
The compartment temperature of sub- compartment and detect whether more than the heat load of first temperature threshold be put into its place institute
State indoor between son.
10. method according to claim 9, wherein
The entry condition of first air supply pattern is that the compartment temperature of some or all of sub- compartment is all higher than or is equal to
The second temperature threshold value, and all interior is not greater than the heat load of first temperature threshold between the son；
The entry condition of second air supply pattern is there be more than first temperature threshold interior between some or all of son
The heat load of value.
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| CN201611047378.2A CN106642884B (en) | 2016-11-23 | 2016-11-23 | The control method of wind cooling refrigerator supply air system |
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| CN201611047378.2A CN106642884B (en) | 2016-11-23 | 2016-11-23 | The control method of wind cooling refrigerator supply air system |
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| CN108106304A (en) * | 2017-11-21 | 2018-06-01 | 广州美的华凌冰箱有限公司 | Refrigerate chamber component and refrigerator |
| CN109737684A (en) * | 2018-12-11 | 2019-05-10 | 青岛海尔股份有限公司 | The control method of side by side combination refrigerator |
| CN109855364A (en) * | 2019-03-15 | 2019-06-07 | 长虹美菱股份有限公司 | A kind of adaptive rotating electric flap control method for refrigerator |
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| CN106642884B (en) | 2019-11-05 |
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