CN111928346B - Kitchen air conditioning system control method - Google Patents

Kitchen air conditioning system control method Download PDF

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Publication number
CN111928346B
CN111928346B CN202010642993.8A CN202010642993A CN111928346B CN 111928346 B CN111928346 B CN 111928346B CN 202010642993 A CN202010642993 A CN 202010642993A CN 111928346 B CN111928346 B CN 111928346B
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China
Prior art keywords
water
heat exchanger
kitchen
temperature
conditioning system
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CN202010642993.8A
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Chinese (zh)
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CN111928346A (en
Inventor
于琦
彭光前
王锐锋
车雯
李树云
张福臣
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202010642993.8A priority Critical patent/CN111928346B/en
Publication of CN111928346A publication Critical patent/CN111928346A/en
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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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • 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
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F24F5/0096—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 combined with domestic apparatus
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/12—Position of occupants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus
    • F24F2221/183—Details or features not otherwise provided for combined with domestic apparatus combined with a hot-water boiler

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a kitchen air conditioning system control method which comprises a shell, wherein an air inlet and an air outlet are formed in the shell, the kitchen air conditioning system control method also comprises a cold air generating device, a hot water supplying device and a compressor which are arranged in the shell, the cold air generating device comprises an air duct communicated with the air inlet and the air outlet, a fan and an evaporator are arranged in the air duct, the hot water supplying device comprises a water tank and a condensation heat exchanger, the condensation heat exchanger is arranged in the water tank and is connected with the evaporator, and the compressor is respectively connected with the evaporator and the condensation heat exchanger. The invention also discloses a control method of the kitchen air conditioning system. The kitchen air conditioning system is indoor integrated, pipe distribution and installation of an external unit are not needed, no obstacle exists in kitchen cleaning, and meanwhile, heat generated by air conditioning refrigeration is used for heating water to provide daily required hot water for a kitchen.

Description

Kitchen air conditioning system control method
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner system control method suitable for a kitchen.
Background
The kitchen is a place which people often need to enter in daily life, but the kitchen has a plurality of heat sources and high humidity, and the hot temperature in summer makes the hot and humid environment in the kitchen worse, so that the kitchen brings strong discomfort to cookers, and the refrigeration requirement in the kitchen in summer is very large. However, the working environment of the kitchen is very special, the oil smoke in the kitchen is heavy, the temperature is high, and the space is narrow, and the traditional air conditioner installed in the kitchen has the problems that the traditional air conditioner does not have enough space for the pipe running and arrangement of the connecting pipe and the drain pipe, and is not easy to clean.
The existing kitchen air conditioning system is communicated with an air outlet device arranged on a kitchen ground layer, and the air outlet mode of the kitchen air conditioning system is upward blown from the ground so as to improve the user experience. However, the air outlet device needs to be installed on the floor of the kitchen, and not all kitchens are suitable for installing the air outlet device.
Disclosure of Invention
The invention aims to overcome the technical problems of difficult pipe distribution, large occupied air conditioner and difficult cleaning in the prior art in the process of installing the air conditioner in the kitchen, and provides the kitchen air conditioning system which is integrated indoors, does not need to distribute pipes and install an external unit, does not obstruct the cleaning of the kitchen, and simultaneously utilizes the heat generated by the refrigeration of the air conditioner to produce hot water to provide daily required hot water for the kitchen.
In order to achieve the purpose, the invention adopts the following technical scheme:
a galley air conditioning system, comprising:
the casing, be formed with air intake and air outlet on the casing:
the cold air generating device is arranged in the shell and comprises an air duct communicated with the air inlet and the air outlet, and a fan and an evaporator are arranged in the air duct;
the hot water supply device is arranged in the shell and comprises a water tank and a condensation heat exchanger, the condensation heat exchanger is arranged in the water tank, and the condensation heat exchanger is connected with the evaporator;
the compressor is arranged in the shell and is respectively connected with the evaporator and the condensation heat exchanger.
According to the kitchen air conditioning system, the cold air generating device, the hot water supplying device and the compressor are all arranged in the same shell, the whole system is integrated, pipe arrangement is not needed, an air conditioner external unit installation position is not needed to be preset, the system can be directly placed in a kitchen for use, the occupied space is small, and difficulty in cleaning the kitchen is avoided; also, the kitchen air conditioning system of the present invention can heat the supply water using heat generated during cooling while cooling the supply of cool air to the kitchen.
Further, the hot water supply device is fixed at the bottom in the shell, the compressor is fixed above the hot water supply device, and the cold air generating device is arranged above the compressor.
Furthermore, the kitchen air conditioning system also comprises a water collecting tank and a condensation return pipe, wherein the water collecting tank is arranged between the cold air generating device and the hot water supplying device, and the condensation return pipe is used for guiding the condensed water generated in the air duct to the water collecting tank.
Furthermore, the evaporator is obliquely arranged in the air duct to form a high-level end and a low-level end, a return port is arranged at the low-level end of the air duct, and the condensation return pipe is connected with the return port.
Furthermore, a water level sensor is arranged at the top of the water collecting tank.
Furthermore, the water collecting tank is a pull-type water collecting tank, and pull rings are arranged on a panel of the water collecting tank.
Furthermore, the kitchen air conditioning system also comprises a standby heat exchanger, wherein the standby heat exchanger is fixed on the side wall in the shell, and the condensation heat exchanger is connected with the evaporator through the standby heat exchanger.
Furthermore, the backup heat exchanger is a dividing wall type heat exchanger, the condensing heat exchanger is a coil type condensing heat exchanger, the outlet end of the condensing heat exchanger is connected with a first refrigerant pipeline, the other end of the first refrigerant pipeline is connected with the inlet end of the evaporator, and at least part of the first refrigerant pipeline is tightly attached to the surface wall of the backup heat exchanger; or the other end of the first refrigerant pipe is connected with the inlet end of the standby heat exchanger, the outlet end of the standby heat exchanger is connected with a second refrigerant pipeline, and the other end of the second refrigerant pipeline is connected with the evaporator.
Furthermore, the shell is further provided with a water outlet, the water tank is connected with the water outlet through a water outlet pipe, a water outlet valve is arranged on the water outlet pipe, and the hot water supply device further comprises an electric heating module which is used for heating the outlet water of the water tank.
Further, the electric heating module comprises a water temperature sensor for detecting the water temperature of the water outlet pipe.
Further, the water tank is provided with a water temperature detection device.
The invention also provides a control method of the kitchen air conditioning system, which comprises the following steps:
acquiring kitchen temperature information;
if the current kitchen temperature is higher than a preset starting temperature, starting a refrigeration mode and acquiring human body position information;
adjusting the air outlet angle of the air outlet according to the position information of the human body to enable the air outlet to face the direction of the human body;
when the human body position information is that the user leaves the kitchen, reducing the running power of the compressor and calculating the leaving time;
when the human body position information is returned to the kitchen within the preset standby time, the running power of the compressor is increased to the refrigerating power;
and when the leaving time is larger than the preset standby time, the refrigeration equipment is turned off.
Further, when the water tank is in a refrigeration mode, the temperature of the water in the water tank is detected, and when the temperature of the water in the water tank is higher than a preset saturation temperature, the standby heat exchanger is started to perform condensation and heat dissipation.
Further, the control method further comprises the steps of obtaining human body dressing information, and starting a refrigeration mode if the current kitchen temperature is larger than the preset starting temperature and the dressing information is summer clothing.
The invention also provides another control method of the kitchen air conditioning system, which comprises the following steps:
judging a current operation mode, wherein the operation mode comprises a refrigeration mode and a non-refrigeration mode;
detecting the water temperature of the water tank;
if the current operation mode is a refrigeration mode, when the water temperature of the water tank is higher than a preset water temperature range, adjusting the mixture of the outlet water of the water tank and the tap water to enable the water supply temperature to be within the preset water temperature range; when the water temperature of the water tank is lower than a preset water temperature range, starting an electric heating mode to heat the outlet water of the water tank so as to enable the water supply temperature to be within the preset water temperature range; when the water temperature of the water tank is within a preset water temperature range, the water is directly supplied by a water outlet pipe of the water tank for use;
and if the current operation mode is the non-refrigeration mode, acquiring human body information, and if the human body information is a person, starting an electric heating module to heat the outlet water of the water tank.
Further, when the preset water temperature range is smaller than or equal to the preset temperature threshold value, the electric heating module heats the outlet water of the water tank with first heating power; when the preset water temperature range is larger than the preset temperature threshold, the electric heating module heats the water outlet of the water tank with second heating power, and the second heating power is larger than the first heating power.
Further, the method for judging the current operation mode comprises the following steps:
acquiring kitchen temperature information;
and if the current kitchen temperature is higher than the preset starting temperature, the operation mode is a refrigeration mode, and if the current kitchen temperature is less than or equal to the preset starting temperature, the operation mode is a non-refrigeration mode.
Further, the method for determining the current operation mode further includes:
acquiring human body dressing information, and if the current kitchen temperature is greater than the preset starting temperature and the dressing information is summer clothing, the operation mode is a refrigeration mode.
The invention also provides another control method of the kitchen air conditioning system, which comprises the following steps:
acquiring water level information of a water collecting tank;
when the water level information is less than or equal to a preset first water level threshold value, the compressor operates according to the current power, and when the water level information is greater than the preset first water level threshold value, the operating power of the compressor is reduced;
when the water level information is larger than a second water level threshold, sending a cleaning signal and switching the system to an air supply mode;
when the position information of the water collecting tank is separated from the system, maintaining the air supply mode; when the position information of the water collecting tank is a regression system, the running power of the compressor is increased to be the refrigerating power; when the position information of the water collecting tank is unchanged, maintaining the air supply mode;
wherein the second water level threshold > the first water level threshold.
Further, when in the wind mode, a cleaning signal is sent out at regular time.
Compared with the prior art, the invention has the beneficial effects that:
the kitchen air conditioning system is integrated, does not need to be provided with pipes, does not need to be provided with an air conditioner external unit installation position, can be directly placed in a kitchen for use, occupies small space and does not bring difficulty to the cleaning of the kitchen; in addition, the water supply can be heated by using heat generated during cooling while cooling to supply cool air to the kitchen. Meanwhile, the invention also provides a special control method for refrigeration, hot water production and condensed water treatment.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of a galley air conditioning system of the present invention;
FIG. 2 is a flow chart of a control method of the galley air conditioning system of the present invention;
fig. 3 is a flowchart of another control method of the kitchen air conditioning system of the present invention;
fig. 4 is a flowchart of another control method of the kitchen air conditioning system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of the present invention.
Example 1
Referring to fig. 1, an air conditioning system for a kitchen includes a housing 100, and a cold air generating device, a hot water supplying device, and a compressor 109 disposed in the housing 100.
An air inlet 101 is formed at the top of the housing 100, and an air outlet 102 is formed at the side of the housing 100. When in use, the side surface on which the air outlet 102 is formed is a front surface. The air inlet 101 and the air outlet 102 are both provided with grilles capable of rotating to adjust the air inlet and outlet angles. When the kitchen air conditioning system is stopped and not in use, the grilles of the air inlet 101 and the air outlet 102 can be kept closed, and dirt such as dust can be prevented from entering the interior of the housing 100. In order to prevent oil stains from entering the interior of the kitchen air conditioning system and facilitate cleaning for a user, the air inlet 101 and the air outlet 102 are both provided with detachable filter screens.
The cold air generating device comprises an air duct 103 communicating the air inlet 101 and the air outlet 102, and a fan 104 and an evaporator 105 are arranged in the air duct 103. The fan 104 may be a cross-flow fan 104 or a centrifugal fan 104. The evaporator 105 is preferably arranged below the fan 104.
The hot water supply apparatus includes a water tank 108, a condensing heat exchanger 107. The condensing heat exchanger 107 is disposed in the water tank 108, and the condensing heat exchanger 107 is connected to the evaporator 105. The condensing heat exchanger 107 can be a coil heat exchanger. The condensing heat exchanger 107 is arranged in the water tank 108, and the condensing heat exchanger 107 can be radiated by using water in the water tank 108, so that the purpose of preparing hot water is achieved.
The compressor 109 is disposed in the casing 100, and the compressor 109 is connected to the evaporator 105 and the condensing heat exchanger 107, respectively.
In a possible embodiment, the hot water supply device is fixed at the bottom inside the housing 100, the compressor 109 is fixed above the hot water supply device, and the cold air generating device is provided above the compressor 109. Therefore, the hot water supply device, the compressor 109 and the cold air generating device are sequentially arranged in the shell 100 from bottom to top, so that the layout is reasonable, the space is saved, and the overall size is reduced.
Since condensed water is generated during the cooling process, the condensed water generally slides off the evaporator 105, and in order to prevent the condensed water from sliding off the inside of the casing 100 and damaging the internal components, or directly dropping on the kitchen floor to pollute the kitchen environment, in a possible embodiment, a water collecting tank 111 and a condensate return pipe 106 may be further provided. The water collecting tank 111 is installed between the cold air generating device and the hot water supplying device, and the condensate return pipe 106 is used for guiding the condensate water generated in the air duct to the water collecting tank 111. In order to better collect the condensed water in the water collecting tank 111, the evaporator 105 is disposed in the air duct 103 in an inclined manner to form a high end and a low end, the air duct 103 is provided with a return opening 103a at the low end, and the reflux condenser pipe 106 is connected to the return opening 103 a.
As a preferred embodiment, a water level sensor is disposed at the top of the water collecting tank 111 for detecting the water level condition in the water collecting tank 111, and when the water level in the water collecting tank 111 is too high, an alarm can be given to remind the user to clean the water in the water collecting tank 111. In order to facilitate a user to clean the water collecting tank 111, the water collecting tank 111 may be a pull-type water collecting tank 111, and a pull ring is disposed on an outer front surface of the water collecting tank 111, so that when the user wants to clean the water collecting tank 111, the user holds the pull ring to pull out the water collecting tank 111, so as to separate the water collecting tank 111 from the housing 100, and then pours the water inside and inserts the water into the housing 100.
In a possible embodiment, the galley air conditioning system further comprises a backup heat exchanger 110, the condensing heat exchanger 107 being connected to the evaporator 105 via the backup heat exchanger 110. In the process of refrigeration, the condensing heat exchanger 107 dissipates heat to heat the moisture in the water tank 108, and after a period of refrigeration, the moisture in the water tank 108 may be too high to continue dissipating heat for the condensing heat exchanger 107, and at this time, the refrigerant flowing through the condensing heat exchanger 107 may dissipate heat through the backup heat exchanger 110. One possible implementation is: the outlet end of the condensing heat exchanger 107 is connected to a first refrigerant pipeline, and the other end of the first refrigerant pipeline is connected to the inlet end of the backup heat exchanger 110. An outlet end of the backup heat exchanger 110 is connected to a second refrigerant pipeline, and the other end of the second refrigerant pipeline is connected to the evaporator 105. Another possible implementation is: the backup heat exchanger 110 is a dividing wall type heat exchanger, and the refrigerant flowing out of the condensing heat exchanger 107 passes through the backup heat exchanger 110 and then flows into the evaporator 105, so that heat dissipation is realized. The specific mode is as follows: the outlet end of the condensing heat exchanger 107 is connected to a first refrigerant pipeline, the other end of the first refrigerant pipeline is connected to the inlet end of the evaporator 105, and at least part of the first refrigerant pipeline is tightly attached to the surface wall of the backup heat exchanger 110. In order to accurately judge whether the water tank 108 can dissipate heat for the condensing heat exchanger 107 and meet the condensing heat dissipation requirement, the water tank 108 is provided with a water temperature detection device. Preferably, the backup heat exchanger 110 is fixed on a side wall inside the housing 100, so that the backup heat exchanger 110 can exchange heat with air in a kitchen room to dissipate heat of a refrigerant.
If the water in the water tank 108 of the kitchen air conditioning system is used as hot water for a user, the temperature heated by the heat generated in the refrigeration process may not meet the use requirement of the user, or the refrigeration may not be performed, and the water temperature in the water tank 108 is not heated by the heat, so that the kitchen air conditioning system further comprises an electric heating module 112, and the electric heating module 112 can heat the water or the outlet water in the water tank 108, so that the outlet water temperature meets the use requirement of the user. The method comprises the following steps: the shell 100 is further provided with a water outlet, and the water tank 108 is connected with the water outlet through a water outlet pipe. The electric heating module 112 may use a heating element or a heating wire to heat the water in the water tank 108, or may use the water to heat the water. For example, the heating element may be disposed in the water tank 108, and the heating wire may be wound around the outlet pipe. The electric heating module 112 further includes a power supply, and the power supply is electrically connected to the heating element or the heating wire to provide a working power supply for the heating element or the heating wire. In order to more accurately control the outlet water temperature of the outlet water pipe, the electric heating module 112 further includes a water temperature sensor fixed on the outlet water pipe for detecting the water temperature of the outlet water pipe.
In a possible embodiment, a display screen 100a is provided on the side of the housing 100 having the air outlet 102, which can display the current kitchen temperature, and can also display information such as the water temperature in the water tank and the water level in the water collecting tank.
The working process and principle of the kitchen air conditioning system of the embodiment are as follows:
after the system is started, the air supply grille of the air outlet 102 is opened, and a user can realize fixed-point air supply by adjusting the angle of the air supply grille. The condensed water generated in the refrigerating process flows into the water collecting sump 111 through the condensate return pipe 106 after slipping from the evaporator 105. When the water level detector in the partition board above the water collecting tank 111 detects that the water amount in the water collecting tank 111 is too much, the user can be reminded of timely cleaning through a loudspeaker or an alarm lamp. The condensing heat exchanger 107 is arranged in the water tank 108, heat dissipation is achieved through water in the water tank 108, meanwhile, water in the water tank 108 is heated through heat released by the condenser, daily hot water in a kitchen is provided, and after water in the water tank 108 is saturated, heat exchange can be conducted between the hidden standby heat exchanger 110 arranged in the shell 100 and indoor air, and the purpose of heat dissipation is achieved. The water tank 108 may be connected in series to a household water line, and water in the water tank 108 may be replenished through the water inlet, and water in the water tank 108 may be taken through the water tap. The electric heating module 112 is integrated inside the casing 100, and when the water temperature of the water outlet pipe detected by the built-in water temperature sensor of the electric heating module 112 is too low, the electric heating module 112 is started to heat the outlet water, so as to ensure the use experience of the user.
Example 2
Referring to fig. 2, the present embodiment provides a kitchen air conditioning system control method for controlling the kitchen air conditioning system according to embodiment 1. The control method comprises the following steps:
kitchen temperature information is acquired. A temperature sensor may be provided on the front panel of the housing 100 to detect the temperature in the kitchen room.
And judging whether the refrigeration mode is started or not. When the temperature in the current kitchen detected by the temperature sensor is higher than the preset starting temperature, the current refrigeration requirement of the user is judged, and the refrigeration mode is started. At this time, if the user needs to use hot water, the water tank 108 supplies the hot water by heating the water in the water tank 108 mainly by the heat released from the condensing heat exchanger 107, and the hot water is supplied to the user. When the temperature in the current kitchen detected by the temperature sensor is less than or equal to the preset starting temperature, it is determined that the user does not have a refrigeration requirement currently, and the preparation of hot water is completed mainly by the electric heating module 112.
When the cooling mode is activated, the grille opening angle of the outlet 102 may be manually adjusted, thereby adjusting the blowing angle direction. Or, the human body position information is acquired, and the air outlet angle of the air outlet 102 is adjusted according to the human body position information so that the outlet air faces the direction of the human body. In particular, the human body position information may be acquired using an infrared human body sensing device.
When the human body position information is that the user leaves the kitchen, the operating power of the compressor 109 is reduced, and the leaving time is calculated.
When the human body position information is returned to the kitchen within the preset standby time, the running power of the compressor 109 is increased to the refrigeration power, and sufficient cold supply is ensured. And when the leaving time is larger than the preset standby time, the refrigeration equipment is turned off.
In a possible embodiment, when determining whether to start the cooling mode, the method further includes the following steps: acquiring human body dressing information, and starting a refrigeration mode if the current kitchen temperature is greater than a preset starting temperature and the dressing information is summer clothing. And the judgment precision is improved by taking the dressing of the user or the region where the user is located and the corresponding seasonal month as an auxiliary judgment basis.
Further, when in the cooling mode, the temperature of the water in the water tank 108 is detected, and when the temperature of the water in the water tank 108 is greater than the preset saturation temperature, the backup heat exchanger 110 is started to perform condensation heat dissipation.
Further, when the refrigeration mode is not started, human body information is obtained, and if the human body information is a person, the electric heating module 112 is started to heat the outlet water of the water tank 108. In order to more accurately judge whether the current user has a requirement for using hot water, when the human body information is acquired, if the human body information is a person, the retention time is calculated, and when the retention time exceeds the preset retention time, the current user has the requirement for using hot water, and the electric heating module 112 is started to heat the outlet water of the water tank 108.
When the electric heating module 112 is used for heating the outlet water of the water tank 108, the heating power of the electric heating module 112 can be controlled by judging the preset water temperature of the user, so that the power-saving control is realized. The method comprises the following steps: when the preset water temperature range is less than or equal to the preset temperature threshold value, the electric heating module 112 heats the outlet water of the water tank 108 with first heating power; when the preset water temperature range > the preset temperature threshold, the electric heating module 112 heats the outlet water of the water tank 108 with a second heating power, and the second heating power > the first heating power.
Example 3
Referring to fig. 3, the present embodiment provides a kitchen air conditioning system control method for controlling the kitchen air conditioning system according to embodiment 1. The control method comprises the following steps:
and judging the current operation mode. The operation modes include a cooling mode and a non-cooling mode.
The water temperature of the water tank 108 is detected. The water temperature information of the water tank 108 is obtained by a water temperature detecting means in the water tank 108.
If the current operation mode is a refrigeration mode, when the water temperature of the water tank 108 is higher than a preset water temperature range, adjusting the outlet water of the water tank 108 to be mixed with tap water so as to enable the water supply temperature to be within the preset water temperature range; when the water temperature of the water tank 108 is lower than the preset water temperature range, starting an electric heating mode to heat the outlet water of the water tank 108 so as to enable the water supply temperature to be in the preset water temperature range; when the water temperature of the water tank 108 is within a preset water temperature range, the water is directly supplied to the water tank 108 through a water outlet pipe;
if the current operation mode is the non-refrigeration mode, the human body information is obtained, and if the human body information is a person, the electric heating module 112 is started to heat the outlet water of the water tank 108.
Further, when the preset water temperature range is less than or equal to the preset temperature threshold, the electric heating module 112 heats the outlet water of the water tank 108 with a first heating power; when the preset water temperature range > the preset temperature threshold, the electric heating module 112 heats the outlet water of the water tank 108 with a second heating power, and the second heating power > the first heating power.
Further, the method for judging the current operation mode comprises the following steps:
acquiring kitchen temperature information;
and if the current kitchen temperature is higher than the preset starting temperature, the operation mode is a refrigeration mode, and if the current kitchen temperature is less than or equal to the preset starting temperature, the operation mode is a non-refrigeration mode.
Further, the method for determining the current operation mode further includes:
acquiring human body dressing information, and if the current kitchen temperature is greater than the preset starting temperature and the dressing information is summer clothing, the operation mode is a refrigeration mode.
Example 4
Referring to fig. 4, the present embodiment provides a kitchen air conditioning system control method for controlling the kitchen air conditioning system according to embodiment 1. The control method comprises the following steps:
water level information of the water collection tank 111 is acquired. The water level information may be obtained by a water level sensor at the top of the water collection tank 111.
The operation power of the compressor 109 is adjusted according to the level of the water. When the water level information is less than or equal to a preset first water level threshold, the compressor 109 operates according to the current power, and when the water level information is greater than the preset first water level threshold, the operating power of the compressor 109 is reduced. When the water level information is larger than a second water level threshold, sending a cleaning signal and switching the system to an air supply mode; when the position information of the water collecting tank 111 is separated from the system, maintaining the air supply mode; when the position information of the water collecting tank 111 is a regression system, increasing the operation power of the compressor 109 to be the refrigeration power; and when the position information of the water collecting tank 111 is unchanged, maintaining the air supply mode. Wherein the second water level threshold > the first water level threshold.
Further, when in the wind mode, a cleaning signal is sent out at regular time.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, and therefore, all equivalent or modifications that do not depart from the spirit of the present invention are intended to fall within the scope of the present invention.

Claims (9)

1. A control method of a kitchen air conditioning system is characterized by comprising the kitchen air conditioning system, wherein the kitchen air conditioning system comprises:
the air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in the shell;
the cold air generating device is arranged in the shell and comprises an air duct communicated with the air inlet and the air outlet, and a fan and an evaporator are arranged in the air duct;
the hot water supply device is arranged in the shell and comprises a water tank and a condensation heat exchanger, the condensation heat exchanger is arranged in the water tank, and the condensation heat exchanger is connected with the evaporator;
the compressor is arranged in the shell and is respectively connected with the evaporator and the condensation heat exchanger;
the condensation heat exchanger is connected with the evaporator through the standby heat exchanger;
the standby heat exchanger is a dividing wall type heat exchanger, the condensing heat exchanger is a coil pipe type condensing heat exchanger, the outlet end of the condensing heat exchanger is connected with a first refrigerant pipeline, the other end of the first refrigerant pipeline is connected with the inlet end of the evaporator, and at least part of the first refrigerant pipeline is tightly attached to the surface wall of the standby heat exchanger; or the other end of the first refrigerant pipe is connected with the inlet end of the standby heat exchanger, the outlet end of the standby heat exchanger is connected with a second refrigerant pipeline, and the other end of the second refrigerant pipeline is connected with the evaporator;
the hot water supply device is fixed at the bottom in the shell, the compressor is fixed above the hot water supply device, and the cold air generating device is arranged above the compressor;
the cold air generating device is arranged in the air duct, the hot water supplying device is arranged in the air duct, and the cold air generating device is used for generating cold air;
the shell is also provided with a water outlet, the water tank is connected with the water outlet through a water outlet pipe, a water outlet valve is arranged on the water outlet pipe, and the hot water supply device further comprises an electric heating module which is used for heating the water outlet of the water tank;
the control method comprises the following steps:
judging a current operation mode, wherein the operation mode comprises a refrigeration mode and a non-refrigeration mode;
detecting the water temperature of the water tank;
if the current operation mode is a refrigeration mode, when the water temperature of the water tank is higher than a preset water temperature range, adjusting the mixture of the outlet water of the water tank and the tap water to enable the water supply temperature to be within the preset water temperature range; when the water temperature of the water tank is lower than a preset water temperature range, the electric heating module is started to heat the water outlet of the water tank so as to enable the water supply temperature to be within the preset water temperature range; when the water temperature of the water tank is within a preset water temperature range, the water is directly supplied by a water outlet pipe of the water tank for use;
and if the current operation mode is the non-refrigeration mode, acquiring human body information, and if the human body information is a person, starting an electric heating module to heat the outlet water of the water tank.
2. The galley air conditioning system control method of claim 1, wherein: the evaporator is obliquely arranged in the air duct to form a high-level end and a low-level end, the air duct is provided with a return port at the low-level end, and the condensation return pipe is connected with the return port.
3. The galley air conditioning system control method of claim 1, wherein: and a water level sensor is arranged at the top of the water collecting tank.
4. The galley air conditioning system control method of claim 1, wherein: the water collecting tank is a pull-type water collecting tank, and pull rings are arranged on a panel of the water collecting tank.
5. The galley air conditioning system control method of claim 1, wherein: the electric heating module comprises a water temperature sensor for detecting the water temperature of the water outlet pipe.
6. The galley air conditioning system control method of claim 1, wherein: the water tank is provided with a water temperature detection device.
7. The galley air conditioning system control method of claim 1, wherein:
when the preset water temperature range is smaller than or equal to the preset temperature threshold value, the electric heating module heats the outlet water of the water tank with first heating power; when the preset water temperature range is larger than the preset temperature threshold, the electric heating module heats the water outlet of the water tank with second heating power, and the second heating power is larger than the first heating power.
8. The kitchen air conditioning system control method of claim 1, wherein the method of judging the current operation mode is:
acquiring kitchen temperature information;
and if the current kitchen temperature is higher than the preset starting temperature, the operation mode is a refrigeration mode, and if the current kitchen temperature is less than or equal to the preset starting temperature, the operation mode is a non-refrigeration mode.
9. The galley air conditioning system control method of claim 8, wherein the method of determining the current operation mode further comprises:
acquiring human body dressing information, and if the current kitchen temperature is greater than the preset starting temperature and the dressing information is summer clothing, the operation mode is a refrigeration mode.
CN202010642993.8A 2020-07-06 2020-07-06 Kitchen air conditioning system control method Active CN111928346B (en)

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CN112902380A (en) * 2021-02-10 2021-06-04 珠海格力电器股份有限公司 Air conditioner control method and device and electronic equipment
CN113551332A (en) * 2021-07-01 2021-10-26 珠海格力电器股份有限公司 Kitchen air conditioner and control method thereof
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