CN113944963B - Kitchen air conditioner and refrigeration control method - Google Patents
Kitchen air conditioner and refrigeration control method Download PDFInfo
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- CN113944963B CN113944963B CN202111257875.6A CN202111257875A CN113944963B CN 113944963 B CN113944963 B CN 113944963B CN 202111257875 A CN202111257875 A CN 202111257875A CN 113944963 B CN113944963 B CN 113944963B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kitchen air conditioner and refrigeration control method, which relates to the field of kitchen refrigeration equipment, and the technical scheme is that the method comprises the following steps: the air duct assembly is provided with an air outlet and a plurality of air inlets, and an air flow path is formed between the air outlet and the air inlets; and one part of the refrigerating mechanism is communicated to the airflow path of the air duct assembly, and the refrigerating mechanism outputs cold air and exchanges heat with airflow in the air duct assembly. By adopting the technical scheme, a plurality of air inlets can simultaneously intake air, the instantaneous air intake is increased, the cooling rate is rapidly improved, and the rapid refrigeration effect is good. Under the high temperature environment, the temperature reduction that can be quick, user body experience is good.
Description
Technical Field
The invention relates to the field of kitchen refrigeration equipment, in particular to a kitchen air conditioner and a refrigeration control method.
Background
Most of kitchen air conditioners are the same as the air conditioners in the prior art, and the main principle is that a compressor compresses gaseous refrigerant into high-temperature and high-pressure gaseous refrigerant, and then the gaseous refrigerant is sent to a condenser to be cooled by an outdoor fan to become normal-temperature and high-pressure liquid refrigerant. The liquid refrigerant passes through the throttling device and enters the evaporator side, the space is suddenly increased, the pressure is reduced, the liquid refrigerant is vaporized and becomes a gaseous low-temperature refrigerant, so that a large amount of heat is absorbed, the evaporator is cooled, and the indoor fan blows air from the evaporator. The water vapor in the air is condensed into water drops after encountering the cold evaporator, and is discharged along the water pipe. The gaseous refrigerant then returns to the compressor for continued compression and circulation.
However, the user does not continuously move in the kitchen space in daily life, and only stays in the kitchen space when cooking every day. Most users do not install air conditioning equipment for the kitchen. Moreover, the ambient temperature of the kitchen space is different from the indoor temperature. The temperature change of the kitchen space is greatly affected by the cooking activities of the user, and is particularly represented by a rapid heating phenomenon in a local area for a short time. The cooling principle of the traditional air conditioner is to balance and adjust the environmental temperature of the whole house, and the environment of the kitchen space cannot be dealt with.
Disclosure of Invention
The invention aims to provide a kitchen air conditioner, which solves the problem of high temperature rise in a short time in a local area of a kitchen space environment in the prior art.
The technical aim of the invention is realized by the following technical scheme:
a kitchen air conditioner comprising:
the air duct assembly is provided with an air outlet and a plurality of air inlets;
and one part of the refrigerating mechanism is positioned in the air duct assembly, and the refrigerating mechanism outputs cool air and exchanges heat with air flow in the air duct assembly.
Through adopting above-mentioned technical scheme, a plurality of air intakes can be simultaneously the air inlet, increase the intake, improve the cooling rate fast, and quick refrigeration is effectual. Under the high temperature environment, the temperature reduction that can be quick, user body experience is good.
Further set up: the air outlet is communicated to the first space region, and the air inlet is communicated to at least two second space regions with different temperatures.
Through adopting above-mentioned technical scheme, the air intake communicates different spaces, and the ambient temperature in different spaces is not the same, during operation, the temperature in required air inlet space of reasonable choice.
Further set up: a kitchen air conditioner, comprising,
a host;
in the above air conditioning system, at least a part of the refrigerating mechanism is disposed in the host, and the air duct assembly is communicated with the host.
Further set up: the air inlet at least comprises:
the kitchen air inlet is formed in the kitchen space;
the indoor air inlet is arranged in other spaces of the indoor non-kitchen space;
the outdoor air inlet is arranged in the outdoor space.
By adopting the technical scheme, the intelligent kitchen air conditioner designed by introducing a plurality of air inlets is characterized in that the air inlet quantity can be obviously improved, the heat exchange effect is better, and higher refrigerating capacity and product experience are brought; and meanwhile, the opening and closing of the plurality of air inlets are controlled through temperature detection and an air door, so that electric energy is reasonably saved.
Further set up: the kitchen air inlet and the kitchen air outlet are arranged on the kitchen suspended ceiling.
The indoor air inlet oil smoke is big, and kitchen air intake and air outlet form the air current continuous on kitchen furred ceiling, and through the air current flow path in kitchen space, can be better with oil smoke and steam exhaust, on the basis of carrying out the heat exchange with the air current, further got rid of the oil smoke.
Further set up: the air inlet is provided with a temperature sensor or a damper, the temperature sensor is arranged on the air inlet or in the air duct component, the position close to the air inlet is provided with a damper, and the damper is at least provided with a first position for closing the air inlet and a second position for opening the air inlet.
Further set up: an electric valve is arranged in the air duct assembly and is in communication connection with the temperature sensor, and the air door is controlled by the electric valve.
By adopting the technical scheme, the temperature sensor senses the temperature of the air flow at the inlet and is selectively opened or closed.
Further set up: and a filter screen component is arranged on the air inlet or in the air duct component.
Through adopting above-mentioned technical scheme, filter screen subassembly blocks dust in the air and directly adsorbs on the evaporimeter, avoids the dust on the evaporimeter to increase, blocks up the clearance on the evaporimeter aluminium poise, and influences the heat transfer, causes refrigeration effect poor.
Further set up: the host is provided with at least a first chamber and a second chamber which are isolated from each other;
the refrigerating mechanism is provided with at least one evaporator, and the evaporator is inclined to the first chamber to form a front channel and a rear channel which are isolated from each other;
the air inlets are positioned at one side of the front channel, the evaporator exchanges heat, and air flow of the front channel is refrigerated and then conveyed to the rear channel.
By adopting the technical scheme, after the inclination of the evaporator, the effective available area of the evaporator is increased, and compared with a conventional heat exchanger arranged at the position, the heat exchange efficiency is better.
Further set up: the evaporator is adjacent to the host machine or an airflow channel for communicating the front channel and the rear channel is arranged between the evaporator and the host machine.
By adopting the technical scheme, under the condition that the conventional heat exchanger is arranged, at least one side of the inclined evaporator can be relatively short or narrow, so that an airflow channel can be formed between the evaporator and the side wall of the host machine, or the airflow channel is directly reserved at the side edge of the evaporator. The grille structure in the evaporator at the position of the airflow channel is less or no grille structure, the resistance to air inlet is relatively small, the air inlet quantity is large, and the air inlet efficiency is further improved; 2. the air flow passing through the air flow channel of the evaporator has less heat exchange, the temperature is relatively high, mixed flow air is formed after the mixed flow air is mixed with cold air flowing through the air flow channel of the evaporator, the temperature is more comfortable, the human skin is more comfortable in contact with the air, and the user experience is better.
Another object of the present invention is to provide a method for controlling cooling of a kitchen air conditioner, comprising the steps of:
and acquiring the kitchen temperature after the operation is carried out for a set time period, and controlling the air duct assembly to switch on or off one or more air inlets when the kitchen temperature meets preset conditions.
Further set up: and acquiring a first temperature preset threshold value, and controlling the air duct assembly to switch and open all air inlets when the kitchen temperature is greater than or equal to the first temperature preset threshold value and a certain set duration is prolonged.
By adopting the technical scheme, the air inlets are in all working states, so that the rapid refrigeration condition is ensured to be formed when the kitchen is just started, and the kitchen can be rapidly cooled.
Further set up: and acquiring the temperatures of all the air inlets, and closing the air inlet with the highest temperature by the air duct component when at least two or more air inlets are in an open state and the kitchen temperature is smaller than a first temperature preset threshold value and lasts for 3 min.
A kind of electronic device with high-pressure air-conditioning system: acquiring a second temperature preset threshold, wherein the second temperature preset threshold can be one or more temperature values with the temperature gradually lower than the first temperature preset threshold, and closing the air inlet of the current highest temperature by the air duct component when the kitchen temperature is less than or equal to any second temperature preset threshold and lasts for 3 min; and when the kitchen temperature is smaller than the current second temperature preset threshold value and lasts for 3min, opening the air inlet with lower temperature by the air duct component.
Through adopting above-mentioned technical scheme, based on the judgement of temperature condition to the higher air intake of temperature is reduced in proper order to the selectivity, and the less air intake of air inlet temperature is opened to the part, reasonable electric energy of saving reduces the energy consumption.
Further set up: the run set time period before the kitchen temperature was acquired was 30min.
By adopting the technical scheme, the permission time ensures that the air inlet is maintained in a stable state when the air inlet is just started or when the air inlet is switched.
Drawings
Fig. 1 is a schematic view of a main machine structure of a kitchen air conditioner in accordance with a first preferred embodiment;
fig. 2 is a system schematic diagram of a kitchen air conditioner in accordance with a first preferred embodiment;
fig. 3 is an enlarged view at a in fig. 2;
FIG. 4 is a schematic workflow diagram of a system of a kitchen air conditioner;
in the figure, 1, a compressor; 2. a condenser; 3. an evaporator; 4. a throttle device; 5. an indoor fan; 6. an air outlet; 7. a controller; 8. an air outlet; 9. an outdoor fan; 10. a partition plate; 11. copper pipe;
12. an air inlet; 121. an indoor air inlet; 122. an outdoor air inlet; 123. a kitchen air inlet; 15. an electric valve; 16. an inner wall; 17. a kitchen ceiling; 18. an outer wall; 19. a damper; 20. a temperature sensor; 21. a screen assembly; 22. an air duct assembly; 100. a host; 200. a refrigeration mechanism;
301. a first chamber; 302. a second chamber; 303. a front channel; 304. a rear channel; 305. an air flow channel;
description of the embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
First preferred embodiment:
as shown in fig. 1,
comprising a main unit 100 with a refrigeration mechanism 200, the main unit 100 being divided by a partition 10 into a first chamber 301 and a second chamber 302 which are independent.
The evaporator 3 and the indoor fan 5 are positioned in the first chamber 301, one side of the evaporator 3 is connected with the indoor fan 5, the indoor fan 5 is provided with an air outlet 6, and the air outlet 6 is connected with the indoor environment.
One side of the condenser 2 is connected with the compressor 1, the throttling device 4, the outdoor fan 9 and the controller 7, the above structures are all positioned in the second chamber 302, and the outdoor fan 9 is connected with the outdoor environment.
Wherein the evaporator 3, the compressor 1, the condenser 2 and the throttle device 4 are connected by a copper pipe 11.
The evaporator 3 is connected with a throttling device 4 by one side of a copper pipe 11, and the other side is connected with a return air port of the compressor 1.
The compressor 1 is arranged between the condenser 2 and the outdoor fan 9, the compressor 1 compresses the gaseous refrigerant into high-temperature and high-pressure gaseous refrigerant, and then the gaseous refrigerant is sent to the condenser 2 to be cooled by the outdoor fan 9 and then becomes normal-temperature and high-pressure liquid refrigerant, and the condenser 2 is in a hot air flow state. The compressed hot air is discharged to the outside through the air outlet 8 of the outdoor fan 9 to dissipate heat.
The liquid refrigerant enters one side of the evaporator 3 through the throttling device 4, the throttling device 4 is equipment for throttling and reducing the pressure of the refrigerant, when the refrigerant flows through the throttling device 4 preset in a pipeline, a local diameter reduction state is formed at the throttling device 4, so that the flow speed of the refrigerant is increased, the pressure is reduced, the liquid refrigerant is vaporized and becomes a gaseous low-temperature refrigerant, a large amount of heat is absorbed, the evaporator 3 is cooled, and the indoor fan 5 blows air from the evaporator 3, so that cold air flow is generated. And discharging cold air generated by evaporation heat exchange to an indoor kitchen for refrigeration and cooling.
The gaseous refrigerant returns to the compressor 1 to continue compression and circulation is continued.
As shown in fig. 2 and 3, the air flow of the evaporator 3 is supplied by the air duct assembly 22, specifically, the first chamber 301 in the main unit 100 is a heat exchange channel, the evaporator 3 is located on the heat exchange channel, so that the first chamber 301 is isolated into a front channel 303 and a rear channel 304 which are independent from each other, the air duct assembly 22 is connected to or passes through the heat exchange channel, the air flow passing through the front channel 303 is subjected to heat exchange by the evaporator 3 inside, and is discharged from the rear channel 304.
The air duct assembly 22 has an air outlet 6 and a plurality of air inlets 12, wherein the air outlet 6 is arranged at the position of the air outlet of the indoor fan 5, and the position can be connected to the kitchen ceiling 17 through a pipeline.
The air outlets 6 are connected to the first space region, the air inlets 12 are respectively connected to different second space regions, and the operation of the embodiment is explained using three air inlets 12 as an example for convenience of explanation in this embodiment. The first space region is exemplified by a kitchen space, and the second space region is exemplified by an indoor living room or bedroom space and an outdoor space, respectively.
Specifically, in this embodiment, the first space region includes a region with a relatively high temperature rise rate, and the kitchen includes a region where the cooking bench is located. The overall temperature of the second spatial region is more uniform and the average temperatures of the different second spatial regions are different. Taking a home environment as an example, the second space region is an indoor other space and an outdoor space.
Specifically, the air intake 12 includes at least:
a kitchen air inlet 123 formed in the kitchen space, the kitchen air inlet 123 being formed on the kitchen ceiling 17;
the indoor air inlet 121 is formed in other spaces than the indoor kitchen space, the indoor air inlet 121 is formed on the inner wall 16 of the kitchen, and the indoor air inlet 121 is connected to an adjacent living room or bedroom by the inner wall 16 of the kitchen;
the outdoor air inlet 122 is opened in the outdoor space, and the outdoor air inlet 122 can be directly opened to the outer wall 18 of the kitchen.
The duct assemblies 22 are connected to the respective air inlets 12, and the duct assemblies 22 may be any of pipes, air ducts, and building channels, and may have a circular or other polygonal cross-sectional shape.
It should be noted that the air inlet 12 may be located on the host 100, or may be located at any position on the air duct assembly 22, where the air duct assembly 22 is connected to and extends the air inlet 12.
The air inlets 12 are communicated to one side of the front channel 303 of the first chamber 301, the air flow in the air inlets 12 exchanges heat through the evaporator 3, the air flow in the front channel 303 is cooled and then is conveyed to the rear channel 304, and the air flow is discharged into the kitchen from the air outlet 6 on the kitchen suspended ceiling 17 through the rear channel 304.
The air outlet 6 is arranged on the kitchen suspended ceiling 17 and is arranged at intervals with the kitchen air inlet 123, the kitchen air inlet 123 and the air outlet 6 form an air flow continuous on the kitchen suspended ceiling 17, and the air flow path in the kitchen space can better exhaust the oil smoke and the hot air, and the oil smoke is further removed on the basis of heat exchange of the air flow.
As shown in fig. 2 and 3, the evaporator 3 is inclined into the first chamber 301, specifically, the inclination means that the body of the evaporator 3 is inclined, and may be inclined in a horizontal direction when the first chamber 301 is a vertical passage, and inclined in a vertical direction when the first chamber 301 is a horizontal passage.
When the evaporator 3 is tilted to the first chamber 301, at least one side of the tilted evaporator 3 may be relatively short or narrow so that an air flow channel 305 can be formed between the evaporator 3 and the side wall of the main unit 100.
Or an airflow channel 305 communicating the front channel 303 and the rear channel 304 is formed in the evaporator 3 adjacent to the host 100.
Under the condition that a conventional heat exchanger is arranged at the position, the grille structure in the evaporator 3 where the airflow channel 305 is arranged is fewer or no, the resistance to air inlet is relatively smaller, the air inlet quantity is large, and the air inlet efficiency is further improved.
Specifically, as shown in fig. 3, the evaporator 3 of the present embodiment has the same shape as the evaporator 3 of the prior art, wherein the side wall of the host 100 refers to the side wall corresponding to the end in the longitudinal direction of the evaporator 3. As an alternative embodiment, based on fig. 3, the length of the evaporator 3 is further extended, so that both ends of the evaporator 3 abut against the inner wall of the first chamber 301, and at the same time, the height of the evaporator 3 is reduced, where the side wall of the host 100 refers to the top inner wall of the first chamber 301, and an airflow channel 305 is left between the top of the evaporator 3 and the side wall of the host 100. In an alternative embodiment, the height of the evaporator 3 is not lower than the heights of the indoor air inlet 121, the outdoor air inlet 122 and the kitchen air inlet 123, so that most of the air flow entering from the three air inlets passes through the evaporator 3, and the rest passes through the air flow channel 305 at the top of the evaporator 3. This solution changes the shape of the evaporator 3, but does not reduce the area of the evaporator 3 for heat exchange by the air flow. The evaporator 3 has a certain wind resistance, and the wind resistance can be effectively reduced after the airflow channel 305 is increased, so that the effect of increasing the air inlet quantity is improved. Further, for the fixed frequency air conditioner, the efficiency of the evaporator 3 itself is fixed, so that the user feels a cool wind blowing straight. The conventional air conditioner is to adjust the temperature of the whole house. The temperature distribution of the whole house is lower when the temperature distribution is closer to the ground of the room, the temperature of the user is approximately consistent with the temperature of the middle section of the height of the room, and the traditional air conditioner cannot blow the user directly, so that the temperature of cool air blown out by the air conditioner is lower compared with the temperature regulated by the user. In this scheme, the air through the air flow channel 305 is not cooled by heat exchange of the evaporator 3, and is mixed with the cooled air flow with lower temperature and then blown out, so that relatively mild cool air is formed, and the user body can not feel uncomfortable when the user is directly blown.
In this embodiment, the air outlet 6 is disposed on the kitchen ceiling, and the air outlet 6 is disposed towards the range area, so that cool air can be output to the range area, and the temperature of the range area can be reduced rapidly. As an alternative embodiment, the air outlet 6 may also be provided in a wall of the kitchen space. As another alternative embodiment, the air outlet 6 is not directly aligned with the user to blow, and a circulation path is formed between the kitchen air inlet 123 and the air outlet 6, and the circulation path passes through the range area to cool the range area in a targeted manner, so that the oil smoke near the range can be better discharged, and the oil smoke is further removed on the basis of solving the problem that the temperature rise speed of the local area is high. Solves the problem of oil smoke overflow caused by incomplete oil smoke absorption of the range hood. At this time, the kitchen air inlet 123 and the air outlet 6 may be both provided on the ceiling, forming a U-shaped circulation path through the range area. The kitchen air inlet 123 and air outlet 6 may also be provided on the ceiling and on the wall, respectively, forming a curved circulation path through the hob area.
Further, referring to fig. 2 and 4, the temperature sensor 20 is disposed on the air intake 12, or at a location within the air duct assembly 22 proximate the air intake 12, or along an airflow path segment from the air intake 12 to the evaporator 3.
By way of example in this embodiment: the invention has four temperature sensors 20, one in each of the T-kitchen, and three other air intake 12 positions: a kitchen air inlet 123 (abbreviated as T1), an indoor non-kitchen air inlet 123 (abbreviated as T2), an outdoor air inlet 122 (abbreviated as T3).
The air inlet 12 is provided with an air door 19, and the air door 19 is provided with at least a first position for closing the air inlet 12 and a second position for opening the air inlet 12. The air duct assembly 22 is internally provided with an electric valve 15, the electric valve 15 is preferably an electromagnetic valve, the electric valve 15 is in communication connection with the temperature sensor 20, and the air door 19 is controlled by the electric valve 15 to open and close according to the signal linkage control of the temperature sensor 20.
Preferably, the first temperature preset threshold is 30 ℃, and the second temperature preset threshold is 27 ℃.
The host 100 operates at an initial allowable time, defaulting to opening all of the air intakes 12. After the main unit 100 is operated for 30 minutes to maintain the stable state, the T kitchen is detected, and when the T kitchen is still not less than 30 ℃, that is, the preset threshold value is 30 ℃ higher than the first temperature, the 3 air inlets 12 are continuously fully opened, so that the refrigerating effect is rapidly improved.
When the temperature is lower than the first temperature preset threshold value and not lower than the second temperature preset threshold value; for example, when the temperature of the T kitchen is less than 30 ℃, and the temperature is kept for more than three minutes, the temperature of the T1, the T2 and the T3 is detected, the air inlets 12 with the highest temperature among the three temperatures are closed, and the other two air inlets 12 are still opened.
When the temperature is lower than a certain second temperature preset threshold value, one or more air inlets 12 with higher temperature is/are closed. For example, when the temperature of the T kitchen is less than or equal to 27 ℃, and the temperature is kept for more than three minutes, the remaining two air inlet temperatures are detected, the air inlet at the highest temperature is closed, and only the air inlet at the lowest temperature is kept.
Otherwise, when the temperature of the T kitchen is more than 27 ℃ and lasts for three minutes, the two remaining air inlets 12 are fully opened; and detecting a T kitchen after running for 30 minutes, and when the T kitchen is more than or equal to 30 degrees, feeding 1, feeding 2 and fully opening the air inlet 3. The automatic temperature-dependent control device can be automatically opened and closed according to temperature, power consumption is reduced, and the product is more intelligent.
In conclusion, when cooking begins in summer, the temperature in the kitchen is extremely high and can reach 35 ℃ or even more than 40 ℃, and in order to cool the kitchen as soon as possible, the three air inlet modes are introduced, so that the air inlet quantity is increased in the initial operation stage of the air conditioner, and the refrigerating capacity is improved; when the kitchen is lowered to a certain temperature, for example, 30 ℃, the kitchen temperature is not too hot, and three air inlet 12 temperatures are detected at the moment to save energy, and the air inlet with the highest temperature is closed; when the kitchen temperature continues to decrease to a certain temperature, such as 27 ℃, the inlet air of the highest temperature is closed again for saving energy. And finally, only the air inlet with the lowest temperature is reserved. The user enjoys cool air and the refrigerating effect needs to be improved rapidly.
The first temperature preset threshold and the second temperature preset threshold can be set to be the temperature and the duration according to the environmental requirements.
The filter screen assembly 21 is arranged on the air inlet 12 or in the air duct assembly 22, and the filter screen assembly 21 blocks dust in the air from being directly adsorbed on the evaporator 3, so that the dust on the evaporator 3 is prevented from increasing, a gap on the aluminum foil of the evaporator 3 is blocked, heat exchange is affected, and the refrigerating effect is poor.
Second preferred embodiment:
a refrigerating control method of a kitchen air conditioner, referring to fig. 4,
the method comprises the following steps:
the kitchen temperature is obtained after a set time period of operation, wherein the set time period of operation is 30min; at the initial allowable time, all of the air intakes 12 are opened by default.
When the kitchen temperature meets the preset condition, the air duct assembly 22 is controlled to switch on or off one or more air inlets 12.
Specifically, a first temperature preset threshold is obtained, the first temperature preset threshold is 30 ℃, and when the kitchen temperature is greater than or equal to 30 ℃ and lasts for 3min, the air duct assembly 22 is controlled to switch on all the air inlets 12.
And acquiring the temperature of all the air inlets 12, and closing the air duct assembly 22 to the air inlet 12 with the highest temperature when the kitchen temperature is less than 30 ℃ and the duration lasts for 3min when at least two or more air inlets 12 are in an open state.
The second temperature preset threshold is obtained, and the second temperature preset threshold may be one or more temperature values with the temperature gradually lower than the first temperature preset threshold, and in this embodiment, only one temperature value is selected as an example, for example, 27 ℃ for convenience of explanation.
When the kitchen temperature is less than or equal to 27 ℃ and lasts for 3min, closing the air inlet 12 with the highest current temperature by the air duct assembly 22;
conversely, when the kitchen temperature is greater than the current 27 ℃ and the duration is 3 minutes, the air duct assembly 22 is opened to a lower air inlet 12.
When the second temperature preset threshold is two, the step-by-step rising and falling switch is used for opening or closing one air inlet 12 with lower temperature. The control logic described above may be satisfied.
The above-described embodiments are provided for illustration only and not for limitation of the present invention, and modifications may be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present invention.
Claims (10)
1. A kitchen air conditioner comprising:
a host (100);
the air duct assembly (22) is provided with an air outlet (6) and a plurality of air inlets (12); the air outlet (6) is communicated with the first space region, and the air inlet (12) is communicated with at least two second space regions with different temperatures;
the intake (12) comprises at least:
a kitchen air inlet (123) arranged in the kitchen space;
an indoor air inlet (121) arranged in other spaces than the kitchen space;
an outdoor air inlet (122) provided in the outdoor space;
the refrigerating mechanism (200) is positioned in the air duct assembly (22), and the refrigerating mechanism (200) outputs cold air and exchanges heat with air flow in the air duct assembly (22); at least one part of the refrigerating mechanism (200) is arranged in the host machine (100), the air duct assembly (22) is communicated with the host machine (100), the kitchen temperature is obtained after a set time period is operated, and when the kitchen temperature meets a preset condition, the air duct assembly (22) is controlled to switch on or off one or more air inlets (12);
acquiring a first temperature preset threshold value, and controlling the air duct assembly (22) to switch and open all air inlets (12) when the kitchen temperature is greater than or equal to the first temperature preset threshold value and a certain set duration is prolonged;
and acquiring the temperature of all the air inlets (12), and closing the air inlet (12) with the highest temperature by the air duct assembly (22) when at least two or more than two air inlets (12) are in an open state, the kitchen temperature is smaller than a first temperature preset threshold value and the duration lasts for 3 min.
2. The kitchen air conditioner of claim 1, wherein: the kitchen air inlet (123) and the kitchen air outlet (6) are arranged on the kitchen suspended ceiling (17).
3. The kitchen air conditioner of claim 1, wherein: the air inlet (12) or the position, close to the air inlet (12), in the air duct assembly (22) is provided with a temperature sensor (20), the air inlet (12) is provided with an air door (19), and the air door (19) is at least provided with a first position for sealing the air inlet (12) and a second position for opening the air inlet (12).
4. A kitchen air conditioner according to claim 3, characterized in that: an electric valve (15) is arranged in the air duct assembly (22), the electric valve (15) is in communication connection with the temperature sensor (20), and the air door (19) is controlled by the electric valve (15).
5. The kitchen air conditioner according to any one of claims 1 to 4, wherein: a filter screen component (21) is arranged on the air inlet (12) or in the air duct component (22).
6. The kitchen air conditioner according to any one of claims 1 to 4, wherein: the host (100) has at least a first chamber (301) and a second chamber (302) isolated from each other;
the refrigeration mechanism (200) is provided with at least one evaporator (3), and the evaporator (3) is inclined to the first chamber (301) to form a front channel (303) and a rear channel (304) which are isolated from each other;
the air inlets (12) are positioned at one side of the front channel (303), the evaporator (3) exchanges heat, and air flow of the front channel (303) is cooled and then conveyed to the rear channel (304).
7. The kitchen air conditioner of claim 6, wherein: the evaporator (3) is adjacent to the host (100) or an airflow channel (305) communicating the front channel (304) and the rear channel (304) is arranged between the evaporator (3) and the host (100).
8. A refrigerating control method using the kitchen air conditioner as set forth in claim 1, characterized in that: the method comprises the following steps:
acquiring the kitchen temperature after a set time period of operation, and controlling the air duct assembly (22) to switch on or off one or more air inlets (12) when the kitchen temperature meets preset conditions;
acquiring a first temperature preset threshold value, and controlling the air duct assembly (22) to switch and open all air inlets (12) when the kitchen temperature is greater than or equal to the first temperature preset threshold value and a certain set duration is prolonged;
and acquiring the temperature of all the air inlets (12), and closing the air inlet (12) with the highest temperature by the air duct assembly (22) when at least two or more than two air inlets (12) are in an open state, the kitchen temperature is smaller than a first temperature preset threshold value and the duration lasts for 3 min.
9. The refrigeration control method according to claim 8, wherein: acquiring a second temperature preset threshold, wherein the second temperature preset threshold can be one or more temperature values with the temperature gradually lower than the first temperature preset threshold, and closing the air inlet (12) of the current highest temperature by the air duct assembly (22) when the kitchen temperature is lower than or equal to any one of the second temperature preset thresholds for 3 min; and when the kitchen temperature is greater than the current second temperature preset threshold value and lasts for 3min, opening the air duct assembly (22) to an air inlet (12) with lower temperature.
10. The refrigeration control method according to any one of claims 8 to 9, characterized in that: the run set time period before the kitchen temperature was acquired was 30min.
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| CN114811775B (en) * | 2022-05-16 | 2024-05-03 | 嘉兴市菲勒电器有限公司 | Kitchen cooling system |
| CN115046251A (en) * | 2022-06-24 | 2022-09-13 | 珠海格力电器股份有限公司 | Air-conditioning range hood, cabinet integration device and air-conditioning range hood adjusting method |
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| JPH08313025A (en) * | 1995-05-17 | 1996-11-29 | Hazama Gumi Ltd | Kitchen ventilation facility |
| JP2006010269A (en) * | 2004-06-29 | 2006-01-12 | Sanki Eng Co Ltd | Ductless air supply and exhaust system for house |
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