CN112869422B - Control method of constant temperature and humidity wine cabinet and constant temperature and humidity wine cabinet - Google Patents

Control method of constant temperature and humidity wine cabinet and constant temperature and humidity wine cabinet Download PDF

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Publication number
CN112869422B
CN112869422B CN201911205574.1A CN201911205574A CN112869422B CN 112869422 B CN112869422 B CN 112869422B CN 201911205574 A CN201911205574 A CN 201911205574A CN 112869422 B CN112869422 B CN 112869422B
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China
Prior art keywords
temperature
humidity
storage cavity
wine storage
preset
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Active
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CN201911205574.1A
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Chinese (zh)
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CN112869422A (en
Inventor
王志恒
毛庆波
李刚
芦树龙
李大伟
刘凯鹏
杨宝斌
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Qingdao Haier Special Refrigerator Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Special Refrigerator Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Special Refrigerator Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Special Refrigerator Co Ltd
Priority to CN201911205574.1A priority Critical patent/CN112869422B/en
Priority to PCT/CN2020/098735 priority patent/WO2021103521A1/en
Publication of CN112869422A publication Critical patent/CN112869422A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B69/00—Cocktail cabinets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • 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
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
    • F25D2317/04131—Control means therefor
    • 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

Abstract

The application discloses a constant temperature and humidity wine cabinet control method, which comprises the following steps: the control method for N times of start and stop of the compressor after the start of the compressor comprises controlling the start and stop of the compressor and the air supply device according to the temperature in the wine storage cavity and the relation with the preset temperature; the control method after the compressor is started and stopped for N times comprises the following steps: the preset temperature comprises a first preset temperature, and the compressor is controlled to stop when the temperature in the wine storage cavity is detected to be within a temperature fluctuation range of the set temperature and reaches the first preset temperature or the humidity in the wine storage cavity reaches the first preset humidity; controlling the air supply device to stop when the humidity reaches the second preset humidity in a temperature fluctuation range of detecting that the temperature in the wine storage cavity is at the set temperature; when the temperature in the wine storage cavity is detected not to be in the temperature fluctuation range of the set temperature, the synchronous start and stop of the compressor and the air supply device are controlled according to the relation between the temperature in the wine storage cavity and the preset temperature. The application solves the problem of large humidity fluctuation in the interior of the wettable wine cabinet in the prior art.

Description

Control method of constant temperature and humidity wine cabinet and constant temperature and humidity wine cabinet
Technical Field
The application belongs to a wine cabinet, and particularly relates to a control method of a constant temperature and humidity wine cabinet.
Background
In order to meet the storage requirement of red wine, a wine cabinet with a humidifying function appears in the market, and the wine cabinet is specifically designed to be provided with a humidifying water box in a wine storage chamber, and a humidifying fan is correspondingly arranged at the same time, and is used for continuously conveying air flow to the humidifying water box, converting water in the humidifying water box into water vapor and further blowing the water vapor into the wine cabinet to realize the humidifying function. The water in the water box needs to be added manually at regular intervals and the humidification in the wine cabinet is realized by always working and blowing water through the humidifying fan no matter what working conditions. However, when the wine cabinet is in different working conditions, the humidity in the wine cabinet can be obviously changed, and various conditions such as exceeding of the standard of the humidity, proper humidity, serious humidity loss and the like exist. If the humidifying fan keeps the set power to continuously perform humidifying operation, the amount of the vapor conveyed into the wine cabinet is unchanged, so that the change fluctuation of the humidity value in the wine cabinet is large, the humidity is not constant, especially when refrigeration is performed, the vapor loss in the wine storage chamber is large, the humidity is fast to drop, and the humidity required by the storage of red wine cannot be kept in the wine cabinet.
The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
Aiming at the problem of large fluctuation of humidity in a humidifier cabinet in the prior art, the application provides a control method of the constant temperature and humidity cabinet, which can control the temperature and humidity in the cabinet by controlling actions of a compressor and an air supply device, thereby ensuring the constant temperature and humidity in the cabinet.
In order to achieve the aim of the application, the application is realized by adopting the following technical scheme:
detecting the temperature in the wine storage cavity, and controlling the start and stop of the compressor and the air supply device according to the temperature in the wine storage cavity and the relation with the preset temperature;
and B, controlling the compressor after N times of start and stop:
the preset temperature comprises a first preset temperature, the temperature and the humidity in the wine storage cavity are detected, and when the temperature in the wine storage cavity is detected to be within a temperature fluctuation range of the set temperature and reaches the first preset temperature, or when the temperature in the wine storage cavity is detected to be within a temperature fluctuation range of the set temperature and the humidity in the wine storage cavity reaches the first preset humidity, the compressor is controlled to stop;
when the temperature in the wine storage cavity is detected to be in a temperature fluctuation range of the set temperature and the humidity reaches the second preset humidity, controlling the air supply device to stop;
when the temperature in the wine storage cavity is detected not to be in the temperature fluctuation range of the set temperature, the synchronous start and stop of the compressor and the air supply device are controlled according to the relation between the temperature in the wine storage cavity and the preset temperature.
Further, the preset temperature further includes a second preset temperature, and in step a: if the temperature in the wine storage cavity reaches the first preset temperature, the compressor and the fan are controlled to stop;
and if the temperature in the wine storage cavity reaches the second preset temperature, controlling the compressor and the fan to be started.
Further, in step B:
the interval formed by the sum of the difference between the set temperature and the preset temperature deviation and the sum of the set temperature and the preset temperature deviation is a temperature fluctuation interval.
When the temperature in the wine storage cavity is detected to be greater than the sum of the set temperature and the preset temperature deviation and reaches a second preset temperature, the compressor is controlled to be started; when the temperature in the wine storage cavity is detected to be greater than the sum of the deviation of the set temperature and the preset temperature but not reach the second preset temperature, the compressor is stopped;
when detecting that the temperature in the wine storage cavity is smaller than the sum of the set temperature and the preset temperature deviation and the humidity in the wine storage cavity reaches the second preset humidity, controlling the air supply device to stop;
when the temperature in the wine storage cavity is detected to be smaller than the sum of the deviation of the set temperature and the preset temperature and the humidity in the wine storage cavity does not reach the second preset humidity, the air supply device is controlled to continue to operate;
when the temperature in the wine storage cavity is detected to be smaller than the difference between the set temperature and the preset temperature deviation and reaches the first preset temperature, the compressor is controlled to stop;
when the temperature in the wine storage cavity is detected to be smaller than the difference between the set temperature and the preset temperature deviation and does not reach the first preset temperature, whether the temperature in the wine storage cavity reaches the first preset temperature or whether the humidity in the wine storage cavity reaches the first preset humidity is detected to control the start and stop of the compressor.
Further, in step B:
the difference between the two adjacent times of starting the compressor is more than or equal to m.
Further, in step B:
the first preset temperature is the sum of the set temperature and the temperature difference of the start and stop of the compressor; the second preset temperature is the difference between the set temperature and the temperature difference of the start-stop of the compressor.
Further, in step B: the first preset humidity is the difference between the set humidity and the first humidity deviation;
the second preset humidity is the difference between the set humidity and the second humidity deviation.
The constant temperature and humidity wine cabinet adopting the control method of the constant temperature and humidity wine cabinet comprises a cabinet body, wherein the cabinet body is internally provided with an inner container, and a wine storage cavity is defined in the inner container;
the air duct cover plate is arranged on the inner container and forms an air duct with the inner container;
the evaporator is arranged in the air duct and comprises a first side surface and a second side surface;
the compressor is communicated with the evaporator and used for controlling the refrigerating operation of the evaporator;
a water storage element provided at the bottom of the evaporator for receiving condensed water flowing down on the surface of the evaporator;
the air supply device is arranged in the air duct, absorbs air flow from the wine storage cavity and blows the air flow to the evaporator, at least part of the air flow blown to the evaporator flows through the first side face of the evaporator and then blows the air flow to the wine storage cavity, and the other part of the air flow flows through the second side face of the evaporator and the water storage element and then blows the air flow to the wine storage cavity;
a controller for controlling the working states of the air supply device and the compressor;
the temperature and humidity detection element is used for detecting the temperature and humidity in the wine storage cavity, generating a detection signal and sending the detection signal to the controller; the controller adjusts the working states of the air supply device and the compressor according to the temperature and the humidity in the wine storage cavity so as to keep the temperature and the humidity in the wine storage cavity constant.
Compared with the prior art, the application has the advantages and positive effects that:
the control method of the constant temperature and humidity wine cabinet comprises the control method before the first N times, the start and stop of the compressor and the air supply device are correspondingly controlled by detecting the temperature in the wine storage cavity, the temperature in the wine storage cavity basically reaches a constant value through the start and stop of the N times, then after the wine storage cavity is started for n+1 times, whether the temperature or the humidity in the wine storage cavity reaches a first preset temperature or a first preset humidity is detected to control the start and stop of the compressor, and the humidity in the wine storage cavity is detected and controlled on the premise that the temperature is ensured to be within a temperature fluctuation range of the set temperature after the compressor is stopped, and the start and stop of the air supply device are controlled by detecting whether the detected humidity value reaches the first preset humidity or the second preset humidity, so that the temperature and the humidity in the wine storage cavity can be kept constant temperature and humidity all the time.
Other features and advantages of the present application will become apparent upon review of the detailed description of the application in conjunction with the drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of one embodiment of a constant temperature and humidity wine cabinet of the present application;
FIG. 2 is a schematic diagram of a second embodiment of the constant temperature and humidity cabinet of the present application;
fig. 3 is a schematic flow chart corresponding to a temperature and humidity control method of the constant temperature and humidity wine cabinet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples.
It should be noted that, in the description of the present application, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The application provides a control method of a constant temperature and humidity wine cabinet, which is shown by referring to fig. 1-2, specifically, the control method of the constant temperature and humidity wine cabinet in the embodiment is used in the constant temperature and humidity machine wine cabinet, and the constant temperature and humidity wine cabinet in the embodiment comprises: the wine box comprises a box body and a box shell 100, wherein an inner container 200 is arranged in the box body, a wine storage cavity 210 is defined in the inner container 200, a storage rack for storing red wine is arranged in the wine storage cavity 210, the red wine is stored on the storage rack, and the temperature and humidity values in the wine storage cavity 210 influence the storage effect of the red wine stored on the storage rack;
an air duct cover 300 mounted on the inner container 200 and forming an air duct with the inner container 200;
the evaporator 400 is disposed in the air duct and includes a first side and a second side, preferably, in this embodiment, the evaporator 400 is disposed in a middle position of the air duct to divide the air duct into a first air circulation channel and a second air circulation channel, and specifically, the first air circulation channel may be formed by enclosing the air duct cover 300 and the evaporator 400, and the second air circulation channel is formed by enclosing the evaporator 400 and a back plate of the case 100 correspondingly;
the water storage element 500 is disposed at the bottom of the evaporator 400 and is used for receiving condensed water flowing down on the surface of the evaporator 400, preferably, the water storage element 500 in the embodiment is a water storage tank, so as to implement receiving of condensed water or frosted water on the evaporator 400.
The air supply device 600 is disposed in the air duct, and sucks air flow from the wine storage chamber 210 and blows the air flow to the evaporator 400, at least part of the air flow blown to the evaporator 400 flows through the first side surface of the evaporator 400 and then blows to the wine storage chamber 210, and the other part of the air flow flows through the second side surface of the evaporator 400 and the water storage element 500 and then blows to the wine storage chamber 210.
The compressor 700 is connected to the evaporator 400 and is used for controlling the refrigerating operation of the evaporator 400, and the compressor 700 can be correspondingly connected with the evaporator 400 through a refrigerant pipeline so as to transmit the refrigerant to the evaporator 400, so that the evaporator 400 can refrigerate.
A controller for controlling the operation states of the blower 600 and the compressor 700;
the temperature and humidity detection element is used for detecting the temperature and humidity in the wine storage cavity 210, generating a detection signal and sending the detection signal to the controller; the controller adjusts the working states of the air supply device 600 and the compressor 700 according to the temperature and humidity in the wine storage cavity 210 to keep the temperature and humidity in the wine storage cavity 210 constant, preferably, the temperature and humidity detecting element may include a temperature detecting element and a humidity detecting element, which are respectively connected with the controller in a communication manner, and are disposed at the position of the air return port 310 for detecting the temperature and humidity value in the wine storage cavity 210.
In this embodiment, when the constant temperature and humidity wine cabinet is used, the compressor 700 can control the evaporator 400 to cool, so as to control the temperature in the wine storage cavity 210, and humidification is realized by mainly sucking air from the air return port 310 through the air supply device 600, then blowing the air to the evaporator 400 to take away the water vapor on the side surface of the evaporator 400, specifically, a part of the air flow blown to the evaporator 400 flows through the first side surface of the evaporator 400, a part of the air flow flows through the second side surface of the evaporator 400 and the water surface of the water storage element 500, and then blowing the air flow into the wine storage cavity 210, and as the air flow respectively flows through the first side surface, the second side surface of the evaporator 400 and the water storage element 500, the air flow can take away the water vapor on the first side surface, the second side surface and the water storage element 500, so as to realize humidification.
The specific temperature and humidity control method corresponding to the constant temperature and humidity wine cabinet in the embodiment is as follows: the method comprises a temperature and humidity control method corresponding to N times of start and stop before the compressor 700 and a control method after N times of start and stop, and in order to facilitate control, initial parameters of the wine cabinet are set firstly in the embodiment: the temperature difference between the start and stop of the compressor 700 is set to be DeltaT, because to realize the constant temperature in the wine storage cavity 210, the start-up temperature and the stop temperature of the compressor 700 need to be limited, and the smaller the temperature difference between the start and stop is, the better the constant temperature effect is.
The second preset humidity is: RH-H, H is the first humidity deviation, and the first preset humidity is: RH-L, L is the second humidity bias; the set temperature is: ts, the actual temperature in the wine storage chamber 210 is: t1, the actual humidity in the wine storage cavity 210 is: RH, preset temperature deviation is: 1.5.
preferably, the first preset temperature is the sum of the set temperature and the temperature difference between the start and stop of the compressor 700; the second preset temperature is a difference between a set temperature and a temperature difference at which the compressor 700 is started and stopped.
The first preset humidity is the difference between the set humidity and the first humidity deviation;
the second preset humidity is the difference between the set humidity and the second humidity deviation.
The first preset temperature in this embodiment is smaller than the second preset temperature, that is, the first preset temperature corresponds to the lower limit temperature in the wine storage cavity 210, and the second preset temperature corresponds to the upper limit temperature in the wine storage cavity 210;
the first preset humidity is smaller than the second preset humidity, that is, the first preset humidity is the lower limit humidity in the wine storage cavity 210, the second preset humidity is the upper limit humidity in the wine storage cavity 210, and the corresponding temperature fluctuation interval is: and a section range of Ts-1.5-Ts+1.5.
Detecting the temperature in the wine storage cavity 210, and controlling the start and stop of the compressor 700 and the air supply device 600 according to the condition that whether the temperature in the wine storage cavity 210 reaches the temperature in the wine storage cavity 210 and the preset temperature relation; in the initial start-up state, the temperature in the wine storage chamber 210 cannot meet the requirement, so the temperature and humidity control method in this embodiment controls the compressor 700 to operate first, so that the temperature in the wine storage chamber 210 reaches the set temperature. In the specific control, the temperature in the wine storage cavity 210 is detected by the temperature detection element, the synchronous start and stop of the compressor 700 and the air supply device 600 are controlled according to the temperature, and if the detected temperature of the wine storage cavity 210 reaches the second preset temperature, the compressor 700 and the air supply device 600 are controlled to be started simultaneously; if the detected temperature of the wine storage chamber 210 reaches the first preset temperature, the compressor 700 and the air supply device 600 are controlled to stop at the same time.
In the previous N times of control process of the compressor 700, the air supply device 600 and the compressor 700 are synchronously started and stopped, so that the temperature in the wine storage cavity 210 is quickly pulled to a preset temperature, and the temperature in the wine storage cavity 210 reaches the temperature requirement stored in the wine cabinet.
And B, temperature and humidity control method after 700N times of start and stop of the compressor:
after the compressor 700 and the air supply device 600 are started for the (n+1) th time, detecting the temperature in the wine storage cavity 210, and controlling the start and stop of the compressor 700 according to whether the temperature in the wine storage cavity 210 reaches a first preset temperature or whether the humidity in the wine storage cavity 210 reaches a first preset humidity;
after the compressor 700 is shut down: if it is detected that the temperature in the wine storage cavity 210 is within the temperature fluctuation range of the set temperature, the start and stop of the air supply device 600 are controlled by detecting whether the humidity in the wine storage cavity 210 reaches the second preset humidity;
if the temperature in the wine storage cavity 210 is detected not to be in the temperature fluctuation range of the set temperature, the compressor 700 is controlled to start and stop according to the temperature in the wine storage cavity 210.
After the compressor 700 and the blower 600 are synchronously turned on:
if the temperature in the wine storage cavity 210 is detected to be in the temperature fluctuation range of the set temperature, the start and stop of the compressor 700 are controlled according to whether the temperature in the wine storage cavity 210 reaches the first preset temperature or the first preset humidity;
if the detected temperature in the wine storage cavity 210 is not within the temperature fluctuation range of the set temperature, the synchronous start and stop of the compressor 700 and the air supply device 600 are controlled according to the temperature in the wine storage cavity 210.
Specifically, the interval formed by the sum of the difference between the set temperature and the preset temperature deviation and the sum of the set temperature and the preset temperature deviation in this embodiment is a temperature fluctuation interval.
When it is detected that the temperature in the wine storage chamber 210 is greater than the sum of the set temperature and the preset temperature deviation and reaches the second preset temperature, the compressor 700 is controlled to be turned on.
When the temperature in the wine storage cavity 210 is detected to be greater than the sum of the deviation of the set temperature and the preset temperature but not reach the second preset temperature, the compressor 700 is controlled to stop; when it is detected that the temperature in the wine storage chamber 210 is less than the sum of the deviation of the set temperature and the preset temperature and the humidity in the wine storage chamber 210 reaches the second preset humidity, the air supply device 600 is controlled to stop.
When the temperature in the wine storage cavity 210 is detected to be smaller than the sum of the deviation of the set temperature and the preset temperature and the humidity in the wine storage cavity 210 does not reach the second preset humidity, the air supply device 600 is controlled to continue to operate;
when the temperature in the wine storage chamber 210 is detected to be less than the difference between the set temperature and the preset temperature deviation and reaches the first preset temperature, the compressor 700 is controlled to stop.
When it is detected that the temperature in the wine storage chamber 210 is less than the difference between the set temperature and the preset temperature deviation and does not reach the first preset temperature, it is detected whether the temperature in the wine storage chamber 210 reaches the first preset temperature or whether the humidity in the wine storage chamber 210 reaches the first preset humidity, so as to control the start and stop of the compressor 700.
To achieve protection of the compressor 700, the difference between the times that the compressor 700 is turned on two adjacent times is greater than or equal to m, where m is at least 5 minutes.
The specific implementation process of the control method of the constant temperature and humidity wine cabinet provided in the embodiment is as follows:
the whole wine cabinet is controlled to be electrified and started, meanwhile, the compressor 700 and the air supply device 600 are controlled to start to operate, when the wine storage cavity 210 is operated for the first N times, the temperature in the wine storage cavity 210 is transmitted to the controller to control the start and stop of the evaporator and the air supply device 600, in the embodiment, N takes 10 times, of course, N can take other values larger than 10, the specific limitation is not made here, only the temperature in the wine storage cavity 210 can be basically relatively constant after the wine storage cavity 210 is started and stopped for the N times, and when the wine storage cavity 210 is operated for the first 10 times, the compressor 700 and the air supply device 600 are controlled to stop as long as the temperature value in the wine storage cavity 210 is detected to reach the first preset temperature.
As soon as the temperature value in the wine storage chamber 210 reaches the second preset temperature, the compressor 700 and the air supply device 600 are controlled to be started. The temperature in the wine storage chamber 210 is substantially stable after 10 runs;
then, continuously detecting the temperature in the wine storage cavity 210, and controlling the compressor 700 and the air supply device 600 to start when the temperature in the wine storage cavity 210 reaches the second preset temperature for the (n+1) th time; after the wine storage cavity 210 is started and operated for a period of time, whether the temperature in the wine storage cavity 210 reaches a first preset temperature or whether the humidity in the wine storage cavity 210 reaches the first preset humidity is detected, if yes, the compressor 700 is controlled to stop, the air supply device 600 continues to operate, if the compressor 700 continues to operate, the temperature can continue to drop, and if the compressor 700 operates, a large amount of water vapor can be adsorbed by refrigeration, so that the humidity value can drop, and at the moment, in order to keep the humidity and the temperature in the wine storage cavity 210 relatively constant, the compressor 700 should be controlled to stop.
If the humidity reaches the first preset humidity, the compressor 700 is stopped to slow down the decrease of the humidity, and the air supply device 600 is still operated, so that the air supply device blows the water vapor on the evaporator to the wine storage cavity 210, so as to keep the humidity inside the wine storage cavity 210 constant.
If the temperature reaches the first preset temperature, the compressor 700 will not continue to cool after being stopped, so that the temperature in the wine storage chamber 210 will rise, and the air supply device 600 rotates, and the cooling capacity of the blown-out portion ensures that the temperature in the box will not rise to the upper limit, so as to keep the temperature in the box relatively constant.
If not, that is, the temperature in the wine storage cavity 210 does not reach the first preset temperature and the humidity in the wine storage cavity 210 does not reach the first preset humidity, the compressor 700 and the air supply device 600 are controlled to continue to operate, the evaporator is controlled to refrigerate through the compressor 700, and the air supply device 600 is humidified, so that the effect of keeping constant temperature and humidity in the wine storage cavity 210 is achieved.
If the temperature in the wine storage cavity 210 reaches the first preset temperature or the humidity in the wine storage cavity 210 reaches the first preset humidity to control the compressor 700 to stop, temperature detection control is needed in the wine storage cavity 210, and as the compressor 700 stops, the temperature in the wine storage cavity 210 can rise, whether the temperature in the wine storage cavity 210 exceeds the upper limit of the temperature fluctuation interval is detected firstly, if the temperature does not exceed the upper limit of the temperature fluctuation interval, the temperature in the wine storage cavity 210 is relatively constant, then the humidity in the wine storage cavity 210 is further detected, and if the humidity in the wine storage cavity 210 reaches the second preset humidity, namely the upper limit of the humidity, the air supply device 600 is correspondingly controlled to stop, the amount of water vapor blown out of the wine storage cavity 210 is greatly reduced, so that the humidity in the wine storage cavity 210 is reduced, and the humidity in the wine storage cavity 210 is relatively constant; if the humidity in the wine storage cavity 210 does not reach the second preset humidity, i.e. the upper humidity limit, the air supply device 600 can be controlled to continue to operate for humidification, and a small amount of cold energy can be blown into the wine storage cavity 210 to balance the temperature rise after the compressor 700 is stopped, so that the relatively constant temperature and humidity are maintained in the wine storage cavity 210;
if the temperature in the wine storage cavity 210 exceeds the upper limit of the temperature fluctuation interval after the compressor 700 is stopped, continuously detecting whether the temperature exceeds a second preset temperature value, and if so, controlling the compressor 700 to start; if not, the compressor 700 is continuously maintained in the shutdown state.
After the compressor 700 and the air supply device 600 are stopped, continuously detecting the temperature in the wine storage cavity 210, if the temperature in the wine storage cavity 210 reaches a second preset temperature and the stop time of the compressor 700 exceeds 5 minutes, controlling the compressor 700 and the air supply device 600 to start again, then continuously detecting the temperature in the wine storage cavity 210, if the temperature in the wine storage cavity 210 is in a temperature fluctuation range, continuously detecting whether the temperature in the wine storage cavity 210 reaches a first preset temperature or whether the humidity in the wine storage cavity 210 reaches a first preset humidity, and judging the start and stop of the compressor 700;
if the temperature in the wine storage cavity 210 reaches the lower limit value of the temperature fluctuation interval, the compressor 700 and the air supply device 600 are controlled to stop synchronously, so that the temperature value in the wine storage cavity 210 is ensured.
In this embodiment, the temperature and humidity in the wine storage cavity 210 are detected in real time, and the temperature and humidity in the wine cabinet are controlled by alternately starting and stopping the compressor 700 and the air supply device 600, so that the constant temperature and humidity of the wine cabinet are ensured.
Detecting whether the temperature value in the wine storage cavity 210 is in a temperature fluctuation interval corresponding to a preset temperature or not according to a temperature and humidity control method from the stopping of the compressor 700 to the starting and stopping of the compressor 700 for N+N times, if so, controlling the starting and stopping of the air supply device 600 according to whether the detected humidity value in the wine storage cavity 210 reaches a second limit humidity value or not in the temperature fluctuation interval of the preset temperature, and controlling the starting and stopping of the compressor 700 according to whether the detected temperature in the wine storage cavity 210 reaches a first preset temperature or whether the detected humidity in the wine storage cavity 210 reaches the first preset humidity or not after the compressor 700 is started again; if the detected temperature in the wine storage cavity 210 is not in the temperature fluctuation range corresponding to the preset temperature, the compressor 700 and the air supply device 600 are controlled to start and stop synchronously through the detected temperature value in the wine storage cavity 210.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (5)

1. The control method of the constant temperature and humidity wine cabinet is characterized by comprising the following steps of:
detecting the temperature in the wine storage cavity, and controlling the start and stop of the compressor and the air supply device according to the temperature in the wine storage cavity and the relation with the preset temperature; the preset temperature comprises a first preset temperature and a second preset temperature, and if the temperature in the wine storage cavity reaches the first preset temperature, the compressor and the fan are controlled to stop;
if the temperature in the wine storage cavity reaches the second preset temperature, the compressor and the fan are controlled to be started;
and B, controlling the compressor after N times of start and stop:
detecting the temperature and humidity in the wine storage cavity, and controlling the compressor to stop when detecting that the temperature in the wine storage cavity is in a temperature fluctuation range of a set temperature and the temperature in the wine storage cavity reaches a first preset temperature, or when detecting that the temperature in the wine storage cavity is in a temperature fluctuation range of the set temperature and the humidity in the wine storage cavity reaches the first preset humidity;
when the temperature in the wine storage cavity is detected to be in a temperature fluctuation range of the set temperature and the humidity reaches the second preset humidity, controlling the air supply device to stop;
when the temperature in the wine storage cavity is detected not to be in the temperature fluctuation range of the set temperature, controlling synchronous start and stop of the compressor and the air supply device according to the relation between the temperature in the wine storage cavity and the preset temperature;
wherein, the interval formed by the sum of the difference between the set temperature and the preset temperature deviation and the sum of the set temperature and the preset temperature deviation is the temperature fluctuation interval;
when the temperature in the wine storage cavity is detected to be greater than the sum of the set temperature and the preset temperature deviation and reaches a second preset temperature, the compressor is controlled to be started; when the temperature in the wine storage cavity is detected to be greater than the sum of the deviation of the set temperature and the preset temperature but not reach the second preset temperature, the compressor is controlled to stop;
when detecting that the temperature in the wine storage cavity is smaller than the sum of the set temperature and the preset temperature deviation and the humidity in the wine storage cavity reaches the second preset humidity, controlling the air supply device to stop;
when the temperature in the wine storage cavity is detected to be smaller than the sum of the deviation of the set temperature and the preset temperature and the humidity in the wine storage cavity does not reach the second preset humidity, the air supply device is controlled to continue to operate;
when the temperature in the wine storage cavity is detected to be smaller than the difference between the set temperature and the preset temperature deviation and reaches the first preset temperature, the compressor is controlled to stop;
when the temperature in the wine storage cavity is detected to be smaller than the difference between the set temperature and the preset temperature deviation and does not reach the first preset temperature, whether the temperature in the wine storage cavity reaches the first preset temperature or whether the humidity in the wine storage cavity reaches the first preset humidity is detected to control the start and stop of the compressor.
2. The method for controlling a constant temperature and humidity wine cabinet according to claim 1, wherein in step B:
the difference between the two adjacent times of starting the compressor is more than or equal to m.
3. The method for controlling a constant temperature and humidity wine cabinet according to claim 1, wherein in step B:
the first preset temperature is the sum of the set temperature and the temperature difference of the start and stop of the compressor; the second preset temperature is the difference between the set temperature and the temperature difference of the start-stop of the compressor.
4. The method for controlling a constant temperature and humidity wine cabinet according to claim 1, wherein in step B: the first preset humidity is the difference between the set humidity and the first humidity deviation;
the second preset humidity is the difference between the set humidity and the second humidity deviation.
5. A constant temperature and humidity wine cabinet adopting the control method of the constant temperature and humidity wine cabinet according to any one of claims 1 to 4, which is characterized by comprising a box body, wherein the box body is internally provided with an inner container, and the inner container is internally limited with a wine storage cavity;
the air duct cover plate is arranged on the inner container and forms an air duct with the inner container;
the evaporator is arranged in the air duct and comprises a first side surface and a second side surface;
the compressor is communicated with the evaporator and used for controlling the refrigerating operation of the evaporator;
a water storage element provided at the bottom of the evaporator for receiving condensed water flowing down on the surface of the evaporator;
the air supply device is arranged in the air duct, absorbs air flow from the wine storage cavity and blows the air flow to the evaporator, at least part of the air flow blown to the evaporator flows through the first side face of the evaporator and then blows the air flow to the wine storage cavity, and the other part of the air flow flows through the second side face of the evaporator and the water storage element and then blows the air flow to the wine storage cavity;
a controller for controlling the working states of the air supply device and the compressor;
the temperature and humidity detection element is used for detecting the temperature and humidity in the wine storage cavity, generating a detection signal and sending the detection signal to the controller; the controller adjusts the working states of the air supply device and the compressor according to the temperature and the humidity in the wine storage cavity so as to keep the temperature and the humidity in the wine storage cavity constant.
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