CN106642910B - Temprature control method and refrigerating equipment for refrigerating equipment - Google Patents
Temprature control method and refrigerating equipment for refrigerating equipment Download PDFInfo
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- CN106642910B CN106642910B CN201611040261.1A CN201611040261A CN106642910B CN 106642910 B CN106642910 B CN 106642910B CN 201611040261 A CN201611040261 A CN 201611040261A CN 106642910 B CN106642910 B CN 106642910B
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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
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling 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
- 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
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a kind of temprature control method for refrigerating equipment and refrigerating equipment.Wherein the temprature control method includes: the actual temperature for detecting sealing space；Judge whether actual temperature is greater than or equal to preset first temperature value；If so, whether detection air compressor is in running order, and when result is no, drives switching mechanism to be connected to the airflow pipeline of air compressor to sealing space, close the airflow pipeline of air compressor to adsorbent bed component；And control air compressor is run with preset first revolving speed, the Cryogenic air injection sealing space that will be drawn reduces the temperature of sealing space.The solution of the present invention not only ensure that the air-tightness of sealing space, but also can accurately have been adjusted to the temperature inside sealing space, promote the storage effect of food.
Description
Technical field
The present invention relates to article field of storage, more particularly to a kind of temprature control method for refrigerating equipment with
And refrigerating equipment.
Background technique
As social development and people's living standard increasingly improve and people's lives rhythm is getting faster, Ren Menjing
A large amount of article can be often bought to be placed in all kinds of refrigerating equipment, but for leafy vegetable and melon and fruit based food, it is cold
Hiding the low temperature in the storage room of freezing equipment can not only make the epidermis of these foods the phenomenon that corrugation and spot occur, can also shadow
Ring their original tastes and nutrition.
Nitrogen has been widely used in the neck of food fresh keeping as a kind of colourless, nontoxic, tasteless inert gas at present
Domain carries out nitrogen charging to the storage room of refrigerating equipment to balance carbon dioxide therein, oxygen etc., can effectively delay to store up
The oxidation deterioration of storage and rot, thus make realize food fresh keeping.
Sealing space is often set in storage room in the prior art as fresh-keeping chamber, in order to guarantee in sealing space
Fresh-keeping effect, so that the air-tightness of sealing space is higher, this is but also the temperature in sealing space can not be adjusted by air door
Section, and cooling capacity can only be transferred to sealing space by the low temperature of refrigerator room.This method for reducing temperature makes sealing empty
Between temperature decline slowly, and temperature can not accurately be adjusted, affect the storage effect of food in sealing space,
Thereby reduce the usage experience of user.
Summary of the invention
It is an object of the present invention to provide a kind of methods of sealing space temperature for adjusting refrigerating equipment.
A further object of the present invention is to temperature in the sealing space of refrigerating equipment to be made to meet fresh-keeping want
It asks.
Particularly, the present invention provides a kind of temprature control method for refrigerating equipment, wherein refrigerating is set
Standby storage room is internally provided with sealing space, and refrigerating equipment is provided with for providing the air of nitrogen to sealing space
Compressor, adsorbent bed component and the airflow pipeline with switching mechanism, and the temprature control method includes: detection sealing space
Actual temperature；Judge whether actual temperature is greater than or equal to preset first temperature value；If so, whether detecting air compressor
It is in running order, and when result is no, it drives switching mechanism to be connected to the airflow pipeline of air compressor to sealing space, closes
Close the airflow pipeline of air compressor to adsorbent bed component；And control air compressor is run with preset first revolving speed, with
The Cryogenic air of absorption is injected into sealing space, reduces the temperature of sealing space.
Optionally, before the step of detecting the actual temperature of sealing space further include: the nitrogen for detecting sealing space is dense
Degree；Judge whether nitrogen gas concn is less than the default density；If so, switching mechanism is driven to be connected to air compressor to adsorbent bed component
Airflow pipeline, close air compressor to sealing space airflow pipeline；And control air compressor and adsorbent bed component
Work preset duration, and to provide nitrogen to sealing space, wherein air compressor is run with preset second revolving speed, and second
Revolving speed is greater than the first revolving speed.
Optionally, judge that the step of whether actual temperature is greater than or equal to preset first temperature value includes: to obtain sealing
The classification information of food in space；It is matched in preset thermometer according to classification information and obtains corresponding first temperature value, temperature
Pre- first pass through is preserved in degree table tests corresponding first temperature value of different classes of food obtained and second temperature value, wherein
First temperature value is greater than second temperature value.
Optionally, the step of obtaining the classification information of food in sealing space includes: to utilize to be set to refrigerating equipment
On key obtain user input operation, with according to input operate determine classification information, wherein key according to food classification
It is configured, and refrigerating equipment is provided with one or more keys.
Optionally, after controlling the step of air compressor is run with preset first revolving speed further include: according to classification
Information matches in preset thermometer and obtains corresponding second temperature value；Judge the actual temperature of sealing space whether be less than or
Equal to second temperature value；And if so, control air compressor is out of service.
According to another aspect of the present invention, a kind of refrigerating equipment is additionally provided, which has storage
Object compartment, storage room are internally provided with sealing space, and the refrigerating equipment further include: nitrogen-making device, be configured to
Sealing space provides nitrogen；Temperature sensor is configured to the actual temperature of detection sealing space；Condition checkout gear is configured to
Whether in running order detect air compressor；And nitrogen-making device include air compressor, adsorbent bed component and have cut
It changes planes the airflow pipeline of structure, nitrogen-making device is configured to: being greater than or equal to preset first temperature value, air pressure in actual temperature
In the case that contracting machine is not at working condition, switching mechanism is driven to be connected to the airflow pipeline of air compressor to sealing space, closed
Close the airflow pipeline of air compressor to adsorbent bed component；And control air compressor is run with preset first revolving speed, with
The Cryogenic air of absorption is injected into sealing space, reduces the temperature of sealing space.
Optionally, refrigerating equipment further include: concentration sensor is configured to the nitrogen gas concn of detection sealing space；
And nitrogen-making device is configured to: in the case where nitrogen gas concn is less than the default density, switching mechanism being driven to be connected to air pressure
Contracting machine closes the airflow pipeline of air compressor to sealing space to the airflow pipeline of adsorbent bed component；And control air pressure
Contracting machine and adsorbent bed component operation preset duration, to provide nitrogen to sealing space, wherein air compressor is with preset second
Revolving speed operation, and the second revolving speed is greater than the first revolving speed.
Optionally, refrigerating equipment further include: key is set in refrigerating equipment, is configured to obtain user
Input operation, with according to input operate determine classification information, wherein key is configured according to the classification of food, and is refrigerated
Freezing equipment is provided with one or more keys；Temperature Matching device is configured to according to classification information in preset thermometer
Matching obtains corresponding first temperature value, preserves that pre- to first pass through the different classes of food that obtains of test corresponding in thermometer
First temperature value and second temperature value, wherein the first temperature value is greater than second temperature value.
Optionally, Temperature Matching device is configured to: being matched in preset thermometer according to classification information and is obtained correspondence
Second temperature value；Nitrogen-making device is configured to: the case where the actual temperature of sealing space is less than or equal to second temperature value
Under, control air compressor is out of service.
Optionally, refrigerating equipment further include: sealed drawer is set to inside storage room, is limited by sealed drawer
Make sealing space.
Temprature control method and refrigerating equipment for refrigerating equipment of the invention, wherein refrigerating is set
Standby storage room is internally provided with sealing space, and refrigerating equipment is provided with for providing the air of nitrogen to sealing space
Compressor and adsorbent bed component, the airflow pipeline with switching mechanism, by detecting the actual temperature of sealing space, in practical temperature
Degree is greater than or equal to preset first temperature value, and when air compressor is not at working condition, switching mechanism is driven to be connected to
Air compressor closes the airflow pipeline of air compressor to adsorbent bed component to the airflow pipeline of sealing space, and controls sky
Air compressor is run with preset first revolving speed, and the Cryogenic air of absorption is directly injected into sealing space, reduces sealing space
Temperature, not only ensure that the air-tightness of sealing space, but also can accurately be adjusted to the temperature inside sealing space, promoted food
The storage effect of product.
Further, the temprature control method and refrigerating equipment for refrigerating equipment of the invention, passes through
Switching mechanism switches the connected relation of air compressor, adsorbent bed component and sealing space, connection air compressor to sealing
The airflow pipeline in space closes the airflow pipeline of air compressor to adsorbent bed component, can provide to sealing space compared with low temperature
The air of degree；It is connected to the airflow pipeline of air compressor to adsorbent bed component, closes the air-flow of air compressor to sealing space
Pipeline can provide the nitrogen of higher temperature to sealing space, can be dense to nitrogen respectively according to the actual conditions of sealing space
Degree and temperature are accurately adjusted, so that the nitrogen gas concn and temperature in sealing space can meet the fresh-keeping demand of food.
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 internal structure of refrigerating equipment according to an embodiment of the invention；
Fig. 2 shows the external structures of refrigerating equipment shown in FIG. 1；
Fig. 3 is the structural schematic diagram of nitrogen-making device in refrigerating equipment according to an embodiment of the invention；
Fig. 4 shows another working condition of nitrogen-making device shown in Fig. 3；
Fig. 5 is the schematic block diagram of refrigerating equipment according to an embodiment of the invention；
Fig. 6 is the schematic block diagram of refrigerating equipment in accordance with another embodiment of the present invention；
Fig. 7 is the schematic diagram of the temprature control method according to an embodiment of the invention for refrigerating equipment；With
And
Fig. 8 is the detailed process of the temprature control method according to an embodiment of the invention for refrigerating equipment
Figure.
Specific embodiment
The present embodiment provides firstly a kind of refrigerating equipment 100, and Fig. 1 is refrigeration according to an embodiment of the invention
The schematic diagram of internal structure of freezing equipment 100, Fig. 2 shows the external structure of refrigerating equipment 100 shown in FIG. 1, Fig. 3 is
The structural schematic diagram of nitrogen-making device in refrigerating equipment according to an embodiment of the invention, Fig. 5 are one according to the present invention
The schematic block diagram of the refrigerating equipment of embodiment.The refrigerating equipment 100 can be refrigerator, refrigerator-freezer etc..
As shown in Figure 1, the refrigerating equipment 100 of the present embodiment has storage room 10, it is arranged inside storage room 10
There is sealing space 11, and refrigerating equipment 100 is additionally provided with nitrogen-making device 20, to provide nitrogen to sealing space 11.?
Seal box 12 is provided in the present embodiment in storage room 10, above-mentioned sealing space 11 can be limited by seal box 12, one
In a little optional embodiments, above-mentioned sealing space 11 can also be limited by sealed drawer, hermetically sealed can, seal box etc..Such as Fig. 2 institute
Show, refrigerating equipment 100 further includes key 14, the input operation of available user.
Nitrogen-making device 20 can provide nitrogen to sealing space 11.The nitrogen-making device 20 of the present embodiment can use PSA system
Nitrogen method, by oxygen removal in air to generate pure nitrogen.Pressure-variable adsorption PSA (Pressure Swing
Adsorption it) specifically refers in the case where temperature-resistant, pressurizes to mixed gas, and is extra using adsorbent absorption
Foreign gas make in adsorbent to obtain more pure pure gas, then with the method for depressurizing (vacuumizing) or normal pressure
Foreign gas desorb, with to adsorbent carry out secondary use.
As shown in figure 3, the nitrogen-making device 20 of the present embodiment may include air compressor 21, adsorbent bed component 22 and have
The airflow pipeline 23 of switching mechanism 231.Wherein air compressor 21 provides compressed air, Oxygen Adsorption agent to adsorbent bed component 22
It is set to inside adsorbent bed component 22, adsorbent bed component 22, with pressure swing adsorption, utilizes absorption using compressed air as raw material
Selective absorption of the agent to oxygen and nitrogen realizes the nitrogen and oxygen separation in air, to produce pure nitrogen, and passes through air-flow
Nitrogen is transmitted to sealing space 11 by pipeline 23.
As shown in figure 5, the present embodiment refrigerating equipment 100 further include: temperature sensor 30 and condition checkout gear
40。
Wherein, temperature sensor 30 can be configured to the actual temperature of detection sealing space 11.Condition checkout gear 40 can
It is whether in running order to be configured to detection air compressor 21.Nitrogen-making device 20 is configured to: be greater than in actual temperature or
Equal to preset first temperature value, in the case that air compressor 21 is not at working condition, switching mechanism 231 is driven to be connected to sky
Air compressor 21 closes the airflow pipeline of air compressor 21 to adsorbent bed component 22 to the airflow pipeline of sealing space 11；With
And control air compressor 21 is run with preset first revolving speed, the Cryogenic air injection sealing space 11 that will be drawn reduces
The temperature of sealing space 11.Wherein preset first temperature value is related with the classification of food, since different classes of food is suitable for
Storage temperature it is different, can be preset according to the classification of food.
The air entry of air compressor 21 can be set near the evaporator of refrigerating equipment 100, with inlet temperature
Lower air.Preset first speed revolution value is lower, and air compressor 21 is run with the slow-speed of revolution, it is ensured that its suck with often
Cold air similar in pressure pressure, and avoid in compression process that Cryogenic air heating is directly direct by the cold air sucked from evaporator
It is discharged into sealing space 11.In the case where air compressor 21 is not at working condition, by being discharged into temperature to sealing space 11
Lower cold air adjustment temperature can guarantee the nitrogen of sealing space 11 to avoid the normal nitrogen work processed for influencing air compressor 21
Gas concentration is met the requirements.
As shown in figure 3, the switching of the connected relation of switching air compressor 21, adsorbent bed component 22 and sealing space 11
Mechanism 231 can be triple valve.Wherein the air inlet end of triple valve is connected to the gas vent of air compressor 21, two outlet
End is respectively connected to the gas access of adsorbent bed component 22 and the gas access of sealing space 11, to be sealed by threeway Vavle switching
The gas inflow direction in space 11.Triple valve used above is only to switch air compressor 21, adsorbent bed component 22 and sealing
A kind of optional implementation of the connected relation in space 11 can pass through other pipelines and valve in some other embodiments
The structure of door realizes the switching in refrigerating medium direction.For example, switching mechanism 231 can be two solenoid valves, it is respectively arranged at air
On compressor 21 to the airflow pipeline and air compressor 21 to the airflow pipeline of adsorbent bed component 22 of sealing space 11.
Fig. 3 also shows the flow direction of gas in airflow pipeline 23, and wherein solid arrow indicates that air compressor 21 will be drawn
Gas flow of Cryogenic air when being directly injected into sealing space 11.At this point, triple valve is connected to air compressor 21 to sealing sky
Between 11 airflow pipeline, close air compressor 21 to the airflow pipeline of adsorbent bed component 22, can be provided to sealing space 11
The air of lower temperature.
Fig. 4 shows another working condition of nitrogen-making device shown in Fig. 3, and in the figure, dotted arrow indicates air compression
Gas flow when machine 21 and adsorbent bed component 22 provide from nitrogen to sealing space 11.At this point, triple valve is connected to air compressor
21 to adsorbent bed component 22 airflow pipeline, close air compressor 21 to the airflow pipeline of sealing space 11, can be to sealing
The nitrogen of the offer of space 11 higher temperature.
Fig. 6 is the schematic block diagram of refrigerating equipment 100 in accordance with another embodiment of the present invention.The refrigeration of the present embodiment
Freezing equipment 100 may include: sealed drawer 13, nitrogen-making device 20, temperature sensor 30, condition checkout gear 40, concentration biography
Sensor 50 and Temperature Matching device 60.
Wherein, sealed drawer 13 is set to inside storage room 10, limits sealing space 11 by sealed drawer 13.Another
In outer some alternative embodiments, storage room 10 is internally provided with seal box 12, and sealing space 11 can be by seal box 12
It limits.
Concentration sensor 50 can be configured to the nitrogen gas concn of detection sealing space 11.
The nitrogen-making device 20 of the present embodiment may be configured to drive in the case where nitrogen gas concn is less than the default density
Switching mechanism 231 is connected to the airflow pipeline of air compressor 21 to adsorbent bed component 22, and it is empty to sealing to close air compressor 21
Between 11 airflow pipeline；And control air compressor 21 and adsorbent bed component 22 work preset duration, with to sealing space 11
Nitrogen is provided, wherein air compressor 21 is run with preset second revolving speed, and the second revolving speed is greater than the first revolving speed.Air pressure
When contracting machine 21 is run with higher second revolving speed, it can provide and provide the backward adsorbent bed component 22 of air boil down to high pressure to pressure
Contracting air, selection of the adsorbent bed component 22 using compressed air as raw material, with pressure swing adsorption, using adsorbent to oxygen and nitrogen
Property absorption, realize air in nitrogen and oxygen separation, to produce pure nitrogen, and nitrogen is transmitted to by airflow pipeline
Sealing space 11.
In the factory of refrigerating equipment, it can repeatedly be tested and will be unable to meet fresh-keeping requirement according to test result
Concentration be set as the default density, above-mentioned preset duration is according to nitrogen-making device 20 by the nitrogen gas concn in sealing space 11 by nothing
The concentration that method meets fresh-keeping requirement is configured the time required to being promoted to the concentration for meeting fresh-keeping requirement, is running the corresponding time
Later, the nitrogen gas concn in sealing space 11 can satisfy food fresh-keeping requirement.
As shown in Fig. 2, refrigerating equipment 100 further includes key 14.Key 14 is set in refrigerating equipment 100,
Be configured to obtain user input operation, with according to input operate determine classification information, wherein key 14 according to food classification
It is configured.Key 14 can be set in the outer surface of 100 door body of refrigerating equipment, and refrigerating equipment 100 can be with
It is provided with one or more keys.Key 14 can be configured according to the classification of food, such as seafood, meat, greengrocery, water
Fruit, Poultry and Eggs etc., each key is according to different food classifications.It can be by modes such as pictographs to food on key
Classification is identified.
Temperature Matching device 60, which can be configured to be matched in preset thermometer according to classification information, obtains corresponding
One temperature value preserves pre- corresponding first temperature value of different classes of food and second for first passing through test and obtaining in thermometer
Temperature value, wherein the first temperature value is greater than second temperature value.For example, the suitable of different classes of food can be set when leaving the factory
Suitable storage temperature section.Such as fish storage temperature is -5 DEG C to 0 DEG C, then corresponding first temperature value is 0 DEG C, second temperature value
It is -5 DEG C；Meat storage temperature is -10 DEG C to -5 DEG C, then corresponding first temperature value is -5 DEG C, and second temperature value is -10 DEG C；
Greengrocery storage temperature is 5 DEG C to 10 DEG C, then corresponding first temperature value is 10 DEG C, and second temperature value is 5 DEG C；Fruits storage
Temperature is 0 DEG C to 5 DEG C, then corresponding first temperature value is 5 DEG C, and second temperature value is 0 DEG C；Poultry and Eggs storage temperature is -1.5 DEG C
To 1.5 DEG C, then corresponding first temperature value is 1.5 DEG C, and second temperature value is -1.5 DEG C.The suitable storage temperature of every group food can
Section is with according to obtaining to the test of food, to guarantee in the storage temperature section, food guarantees higher quality.Above-mentioned tool
By way of example only, not limiting the invention for body numerical value.
Temperature Matching device 60 may be configured to: matched in preset thermometer according to classification information obtain it is corresponding
Second temperature value.Nitrogen-making device 20 may be configured to: be less than or equal to second temperature value in the actual temperature of sealing space 11
In the case where, control air compressor 21 is out of service.Such as fruits storage temperature is 0 DEG C to 5 DEG C, then corresponding first is warm
Angle value is 5 DEG C, and second temperature value is 0 DEG C, the case where the actual temperature of sealing space 11 is less than or equal to 0 DEG C of second temperature value
Under, control air compressor 21 is out of service, and the temperature in sealing space 11 can be made to be not less than the suitable of fruit based food
Storage temperature guarantees the storage effect of food.
The refrigerating equipment 100 of the present embodiment switches air compressor 21, adsorbent bed component by switching mechanism 231
22 and sealing space 11 connected relation, connection air compressor 21 to sealing space 11 airflow pipeline, close air pressure
Contracting machine 21 can provide the air of lower temperature to sealing space 11 to the airflow pipeline of adsorbent bed component 22；It is connected to air pressure
Contracting machine 21 closes airflow pipeline of the air compressor 21 to sealing space 11, Ke Yixiang to the airflow pipeline of adsorbent bed component 22
Sealing space 11 provides the nitrogen of higher temperature, can be according to the actual conditions of sealing space 11, respectively to nitrogen gas concn and temperature
Degree is accurately adjusted, so that the nitrogen gas concn and temperature in sealing space 11 can meet the fresh-keeping demand of food.
Further, the refrigerating equipment 100 of the present embodiment is preset with difference for different classes of food respectively
Suitable storage temperature section, pass through control air compressor 21 running speed, and switching air compressor 21, adsorbent bed
Connected relation between component 22, sealing space 11, the accurate temperature adjusted in sealing space 11, makes the temperature in sealing space 11
Degree is in the suitable storage temperature section of food, guarantees the storage effect of food, promotes the usage experience of user.
The present invention also provides a kind of temprature control method for refrigerating equipment, Fig. 7 is one according to the present invention
The schematic diagram of the temprature control method of the refrigerating equipment of embodiment.The temprature control method can use any of the above-described implementation
The refrigerating equipment 100 of example executes.As shown in fig. 7, the temprature control method for being used for refrigerating equipment successively execute with
Lower step:
Step S702 detects the actual temperature of sealing space 11；
Step S704, judges whether actual temperature is greater than or equal to preset first temperature value, if so, executing step
S706, if it is not, returning to step S702；
Step S706, whether detection air compressor 21 is in running order, if so, S702 is returned to step, if it is not,
Execute step S708；
Step S708 drives switching mechanism 231 to be connected to the airflow pipeline of air compressor 21 to sealing space 11, closes empty
Air compressor 21 to adsorbent bed component 22 airflow pipeline；
Step S710, control air compressor 21 are run with preset first revolving speed, the Cryogenic air injection that will be drawn
Sealing space 11 reduces the temperature of sealing space 11.
In above step, preset first temperature value is related with the classification of food in step S704, due to different classes of
Food it is suitable storage temperature it is different, can be preset according to the classification of food.It can be set by being set to refrigerating
Standby upper key obtains the classification of food, can also be using the display device being set in refrigerating equipment by obtaining user
Touch operation obtain food classification.
It is whether in running order that air compressor 21 is detected in step S706, is not at work shape in air compressor 21
It, can be to avoid influence air compressor by being discharged into the lower cold air adjustment temperature of temperature to sealing space 11 in the case where state
21 normal nitrogen work processed, guarantees that the nitrogen gas concn of sealing space 11 is met the requirements.Also, the process of nitrogen processed can be executed sequentially
Following steps: the nitrogen gas concn of detection sealing space 11；Judge whether nitrogen gas concn is less than the default density；It is cut if so, driving
Structure 231 of changing planes is connected to the airflow pipeline of air compressor 21 to adsorbent bed component 22, closes air compressor 21 to sealing space
11 airflow pipeline；And air compressor 21 and the work preset duration of adsorbent bed component 22 are controlled, to be mentioned to sealing space 11
For nitrogen, wherein air compressor 21 is run with preset second revolving speed, and the second revolving speed is greater than the first revolving speed.
Switching mechanism 231 in step S708 can be connected to the air-flow of air compressor 21 to sealing space 11 with triple valve
Pipeline closes the airflow pipeline of air compressor 21 to adsorbent bed component 22, can provide lower temperature to sealing space 11
Air；It is connected to the airflow pipeline of air compressor 21 to adsorbent bed component 22, closes air compressor 21 to sealing space 11
Airflow pipeline can provide the nitrogen of higher temperature to sealing space 11.Triple valve used above is only to switch air compressor
21, a kind of optional implementation of adsorbent bed component 22 and the connected relation of sealing space 11, in some other embodiments,
The switching in refrigerating medium direction can be realized by the structure of other pipelines and valve.For example, switching mechanism 231 can be two
Solenoid valve is respectively arranged at air compressor 21 to the airflow pipeline and air compressor 21 of sealing space 11 to adsorbent bed component
On 22 airflow pipeline.
Preset first speed revolution value in step S710 is lower, and air compressor 21 is run with the slow-speed of revolution, it is ensured that
Its sucking and cold air similar in normal pressure pressure, and avoid that Cryogenic air heating up in compression process.In addition, air compressor 21
Air entry can be set near the evaporator of refrigerating equipment 100, with the lower air of inlet temperature, and be directly discharged into
The temperature in sealing space 11 is effectively reduced in sealing space 11.
The temprature control method for refrigerating equipment of the present embodiment, can be according to the practical feelings of sealing space 11
Condition is respectively accurately adjusted nitrogen gas concn and temperature, so that the nitrogen gas concn and temperature in sealing space 11 can expire
The fresh-keeping demand of sufficient food.
Fig. 8 is the detailed process of the temprature control method according to an embodiment of the invention for refrigerating equipment
Figure.The control method is perform the following steps in sequence:
Step S802 detects the actual temperature of sealing space 11；
Step S804 is operated using the input that the key 14 being set in refrigerating equipment obtains user, according to defeated
Enter to operate the classification information for determining food in sealing space 11；
Step S806 is matched in preset thermometer according to classification information and is obtained corresponding first temperature value and the second temperature
Angle value；
Step S808, judges whether actual temperature is greater than or equal to preset first temperature value, if so, executing step
S810, if it is not, returning to step S802；
Step S810, whether detection air compressor 21 is in running order, if so, S802 is returned to step, if it is not,
Execute step S812；
Step S812 drives switching mechanism 231 to be connected to the airflow pipeline of air compressor 21 to sealing space 11, closes empty
Air compressor 21 to adsorbent bed component 22 airflow pipeline；
Step S814, control air compressor 21 are run with preset first revolving speed, the Cryogenic air injection that will be drawn
Sealing space 11 reduces the temperature of sealing space 11；
Step S816, judges whether the actual temperature of sealing space 11 is less than or equal to preset second temperature value, if so,
Step S818 is executed, if it is not, returning to step S814；
Step S818, control air compressor 21 are out of service.
Key 14 in step S804 can be set in the outer surface of refrigerating equipment door body, and refrigerating equipment
One or more keys can be set.Key 14 can be configured according to the classification of food, such as seafood, meat, vegetables
Class, fruits, Poultry and Eggs etc., each key is according to different food classifications.The modes pair such as pictograph can be passed through on key
The classification of food is identified.
Preset thermometer, which is preserved, in step S806 pre- first passes through the different classes of food that obtains of test corresponding the
One temperature value and second temperature value, wherein the first temperature value is greater than second temperature value.For example, difference can be set when leaving the factory
The suitable storage temperature section of the food of classification.Such as fish storage temperature is -5 DEG C to 0 DEG C, then corresponding first temperature value is
0 DEG C, second temperature value is -5 DEG C；Greengrocery storage temperature be 5 DEG C to 10 DEG C, then corresponding first temperature value be 10 DEG C, second
Temperature value is 5 DEG C.The suitable storage temperature of every group food can section with according to being obtained to the test of food, to guarantee in the storage
In temperature range, food guarantees higher quality.By way of example only, not limiting the invention for above-mentioned specific value.
Step S814 is greater than or equal to preset first temperature value in actual temperature, and air compressor 21 is not at work shape
In the case where state, control air compressor 21 is run with preset first revolving speed, and the Cryogenic air injection sealing that will be drawn is empty
Between 11, reduce sealing space 11 temperature；Step S818 is the case where actual temperature is less than or equal to preset first temperature value
Under, control air compressor 21 is out of service, it is ensured that the temperature in sealing space 11 is in the suitable storage temperature of food
Section promotes the storage effect of food.
The temprature control method for refrigerating equipment of the present embodiment is preset respectively for different classes of food
Have different suitable storage temperature sections, by control air compressor 21 running speed, and switching air compressor 21,
Connected relation between adsorbent bed component 22, sealing space 11, the accurate temperature adjusted in sealing space 11, makes sealing space 11
Interior temperature is in the suitable storage temperature section of food, guarantees the storage effect of food, promotes the usage experience of user.
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 temprature control method for refrigerating equipment, wherein being set inside the storage room of the refrigerating equipment
It is equipped with sealing space, the refrigerating equipment is provided with for the air compressor to sealing space offer nitrogen, suction
Attached bed component and the airflow pipeline with switching mechanism, and the temprature control method includes:
Detect the actual temperature of the sealing space；
Judge whether the actual temperature is greater than or equal to preset first temperature value；
If so, whether detect the air compressor in running order, and when result is no, the switching mechanism is driven to connect
The airflow pipeline for leading to the air compressor to the sealing space closes the air compressor to the adsorbent bed component
Airflow pipeline；And
It controls the air compressor to run with preset first revolving speed, it is empty that the Cryogenic air that will be drawn injects the sealing
Between, the temperature of the sealing space is reduced, wherein the air entry of the air compressor is set to the refrigerating equipment
Near evaporator, with the lower air of inlet temperature.
2. according to the method described in claim 1, wherein also being wrapped before the step of detecting the actual temperature of the sealing space
It includes:
Detect the nitrogen gas concn of the sealing space；
Judge whether the nitrogen gas concn is less than the default density；
If so, the switching mechanism is driven to be connected to the airflow pipeline of the air compressor to the adsorbent bed component, institute is closed
State the airflow pipeline of air compressor to the sealing space；And
The air compressor and the adsorbent bed component operation preset duration are controlled, to provide nitrogen to the sealing space,
Wherein the air compressor is run with preset second revolving speed, and second revolving speed is greater than first revolving speed.
3. according to the method described in claim 1, wherein judging whether the actual temperature is greater than or equal to preset first temperature
The step of angle value includes:
Obtain the classification information of food in the sealing space；
It is matched in preset thermometer according to the classification information and obtains corresponding first temperature value, saved in the thermometer
There is pre- first pass through to test corresponding first temperature value of different classes of food obtained and second temperature value, wherein first temperature
Angle value is greater than the second temperature value.
4. according to the method described in claim 3, the step of wherein obtaining the classification information of food in the sealing space includes:
It is operated using the input that the key being set in the refrigerating equipment obtains user, it is true to be operated according to the input
The fixed classification information, wherein the key is configured according to the classification of food, and the refrigerating equipment is provided with
One or more keys.
5. according to the method described in claim 3, wherein controlling what the air compressor was run with preset first revolving speed
After step further include:
It is matched in preset thermometer according to the classification information and obtains corresponding second temperature value；
Judge whether the actual temperature of the sealing space is less than or equal to the second temperature value；And
If so, it is out of service to control the air compressor.
6. a kind of refrigerating equipment has storage room, the storage room is internally provided with sealing space, and described cold
Hide freezing equipment further include:
Nitrogen-making device is configured to provide nitrogen to the sealing space, and the nitrogen-making device includes air compressor, adsorbent bed group
Part and airflow pipeline with switching mechanism；
Temperature sensor is configured to detect the actual temperature of the sealing space；
Whether condition checkout gear is configured to detect the air compressor in running order；And
The nitrogen-making device is configured to: being greater than or equal to preset first temperature value, the air pressure in the actual temperature
In the case that contracting machine is not at working condition, the switching mechanism is driven to be connected to the air compressor to the sealing space
Airflow pipeline closes the airflow pipeline of the air compressor to the adsorbent bed component；And the control air compressor
With the operation of preset first revolving speed, the Cryogenic air that will be drawn injects the sealing space, reduces the temperature of the sealing space
Degree, wherein the air entry of the air compressor is set near the evaporator of the refrigerating equipment, with inlet temperature compared with
Low air.
7. refrigerating equipment according to claim 6, further includes:
Concentration sensor is configured to detect the nitrogen gas concn of the sealing space；And
The nitrogen-making device is configured to: in the case where the nitrogen gas concn is less than the default density, driving the switching machine
Structure is connected to the airflow pipeline of the air compressor to the adsorbent bed component, and it is empty to the sealing to close the air compressor
Between airflow pipeline；And the air compressor and the adsorbent bed component operation preset duration are controlled, with to the sealing
Space provides nitrogen, wherein the air compressor is run with preset second revolving speed, and second revolving speed is greater than described
First revolving speed.
8. refrigerating equipment according to claim 6, further includes:
Key is set in the refrigerating equipment, is configured to obtain the input operation of user, to be operated according to the input
The classification information of food in the sealing space is determined, wherein the key is configured according to the classification of food, and described
Refrigerating equipment is provided with one or more keys；
Temperature Matching device, is configured to be matched in preset thermometer according to the classification information and obtains corresponding first temperature
It is worth, pre- first pass through is preserved in the thermometer and tests corresponding first temperature value of different classes of food obtained and the second temperature
Angle value, wherein first temperature value is greater than the second temperature value.
9. refrigerating equipment according to claim 8, wherein
The Temperature Matching device is configured to: being matched in preset thermometer according to the classification information and is obtained corresponding
Two temperature values；
The nitrogen-making device is configured to: being less than or equal to the feelings of the second temperature value in the actual temperature of the sealing space
Under condition, it is out of service to control the air compressor.
10. refrigerating equipment according to claim 6, further includes:
Sealed drawer is set to inside the storage room, limits the sealing space by the sealed drawer.
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| CN201611040261.1A CN106642910B (en) | 2016-11-11 | 2016-11-11 | Temprature control method and refrigerating equipment for refrigerating equipment |
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| CN201611040261.1A CN106642910B (en) | 2016-11-11 | 2016-11-11 | Temprature control method and refrigerating equipment for refrigerating equipment |
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| CN106642910B true CN106642910B (en) | 2019-08-02 |
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| CN107566261A (en) * | 2017-08-09 | 2018-01-09 | 上海斐讯数据通信技术有限公司 | Convenience store's management gateway and system |
| CN110793259A (en) * | 2019-10-08 | 2020-02-14 | 长虹美菱股份有限公司 | Refrigerator special area and control method |
| CN115077187B (en) * | 2021-03-16 | 2023-08-15 | 青岛海尔电冰箱有限公司 | Temperature control method of refrigerator bar counter, electronic device and refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009174725A (en) * | 2008-01-22 | 2009-08-06 | Hitachi Appliances Inc | Refrigerator |
| CN106052291A (en) * | 2016-05-26 | 2016-10-26 | 青岛海尔股份有限公司 | Refrigeration and freezing equipment and control method thereof |
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2016
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009174725A (en) * | 2008-01-22 | 2009-08-06 | Hitachi Appliances Inc | Refrigerator |
| CN106052291A (en) * | 2016-05-26 | 2016-10-26 | 青岛海尔股份有限公司 | Refrigeration and freezing equipment and control method thereof |
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