CN115342403A - Air-conditioning type range hood and refrigeration and dehumidification dual-mode combined control method thereof - Google Patents

Air-conditioning type range hood and refrigeration and dehumidification dual-mode combined control method thereof Download PDF

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Publication number
CN115342403A
CN115342403A CN202210024219.XA CN202210024219A CN115342403A CN 115342403 A CN115342403 A CN 115342403A CN 202210024219 A CN202210024219 A CN 202210024219A CN 115342403 A CN115342403 A CN 115342403A
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China
Prior art keywords
water
liquid level
air
mode
range hood
Prior art date
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Pending
Application number
CN202210024219.XA
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Chinese (zh)
Inventor
张迪
曹亚裙
余丙松
郭俊杰
李昂
傅海峰
江名松
崔腾飞
梁兵兵
付云开
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN202210024219.XA priority Critical patent/CN115342403A/en
Publication of CN115342403A publication Critical patent/CN115342403A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • 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
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
    • 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
    • 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
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus

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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)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

An air-conditioning type range hood and a refrigeration and dehumidification dual-mode combined control method thereof are disclosed, wherein a compressor and an oil smoke suction fan are arranged in a shell of the range hood, a condenser is arranged in a smoke discharge channel, condensed water condensed on the surface of an evaporator of an indoor unit of an air conditioner can flow into a water box, water in the water box is conveyed to the condenser through a water pump, the condensed water flowing down from the surface of the condenser flows back into the water box, a liquid level sensor is arranged in the water box, a controller reads environmental temperature data monitored by the temperature sensor and liquid level data monitored by the liquid level sensor, a refrigeration mode is selected to enter in a refrigeration mode when the environmental temperature is higher than a set minimum starting temperature, and a dehumidification mode is entered in a state that the liquid level data reaches a set warning value. The invention has the advantages that: this air conditioner formula range hood passes through level sensor's data feedback and realizes the switching of refrigeration mode and dehumidification mode to, the comdenstion water does not have outer the arranging, solves the big drainage problem of comdenstion water volume under the dehumidification mode, realizes quick dehumidification.

Description

Air-conditioning type range hood and refrigeration and dehumidification dual-mode combined control method thereof
Technical Field
The invention relates to a range hood, in particular to an air-conditioning range hood and a refrigeration and dehumidification dual-mode combined control method thereof.
Background
The invention relates to a range hood with various air-conditioning type, which is used for providing cold air for a kitchen in summer and providing warm air in winter, wherein the kitchen is hot in summer and cold in winter, an air-conditioning component and the range hood are integrated into a whole, and an air-conditioning air outlet is formed in a shell of the range hood. The air conditioner cigarette machine can work in a plurality of different modes, as long as the mode of taking the air conditioner is opened, the air conditioner air outlet will blow out cold wind or hot-blast, can directly blow to the culinary art person, also can blow to the kitchen indoor to effectively promote the culinary art of culinary art person and experience. After the air conditioner mode is opened, the condenser of the air conditioner assembly can generate heat, if the condenser is not effectively cooled, the heat exchange effect of the condenser can be influenced, and the air conditioner energy efficiency is further reduced. Meanwhile, the surface of the evaporator can condense condensed water, if the condensed water of the air conditioner is discharged outside, an external water pipe is needed, the installation cost is increased, the problems of long-term wall erosion and external environment dripping are caused, and if the condensed water of the air conditioner is accumulated in the body of the range hood, local water leakage is easily caused, and even the normal work of the range hood is influenced. After the air-conditioning type range hood does not work in an air-conditioning mode for a long time, a large amount of accumulated dust is generated when the heat exchange assembly is idle for a long time, and the performance of an air conditioner is influenced. In addition, in order to improve the comfort level under the condition of high air humidity, the air needs to be dehumidified, the condensate water of the existing air conditioning type range hood in the refrigeration mode is inconsistent with that of the dehumidification mode, on the premise that the condensate water is not discharged, two modes need to be accurately controlled and identified, so that the condensate water is processed, a user needs low-temperature air in the refrigeration mode, the user does not have requirements on the air outlet condition in the dehumidification mode, but needs to quickly reduce the environmental humidity, the purpose of quickly replacing gas and simultaneously reducing the environmental humidity needs to be achieved, and the existing air conditioning type range hood cannot realize the intercommunication between the refrigeration mode and the dehumidification mode.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide an air-conditioning range hood with a refrigeration mode and a dehumidification mode, which can discharge no condensed water.
The second technical problem to be solved by the present invention is to provide a refrigeration and dehumidification dual-mode combined control method for an air-conditioning range hood, which can realize the intercommunication between a refrigeration mode and a dehumidification mode, in view of the above current technical situation.
The technical scheme adopted by the invention for solving the first technical problem is as follows: this air conditioner formula range hood, including the casing, be equipped with compressor and oil absorption cigarette fan in the casing, the low reaches of inhaling the oil absorption cigarette fan are formed with discharge flue, install air conditioner indoor unit on the casing, and air conditioner indoor unit is including the evaporimeter install the condenser in the discharge flue, compressor, condenser and evaporimeter are linked together its characterized in that through the refrigerant pipeline: the shell is internally provided with a water box, condensed water condensed on the surface of the evaporator can flow into the water box, water in the water box is conveyed to the condenser through a water pump, the condensed water flowing down from the surface of the condenser flows back to the water box, and the water box further comprises a temperature sensor, a liquid level sensor and a controller, wherein the liquid level sensor is installed in the water box, the controller can read environmental temperature data monitored by the temperature sensor and liquid level data monitored by the liquid level sensor, and the controller can select to enter a refrigeration mode when the environmental temperature is greater than a state of setting a minimum starting temperature and enter a dehumidification mode when the liquid level data reaches a state of setting a warning value.
In order to distribute the air conditioner condensed water on the condenser and recycle the non-evaporated condensed water, a water receiving disc for receiving the condensed water condensed on the surface of the evaporator is arranged at the bottom of the air conditioner indoor unit, a liquid distributor is arranged at the top of the condenser, a water receiving box for receiving the condensed water flowing down from the surface of the condenser is arranged below the condenser, the water outlet of the water receiving disc is communicated with the water inlet of the water box, the water outlet of the water box is communicated with the water inlet of the liquid distributor, the condensed water in the water box is conveyed to the liquid distributor through the water pump, and the water outlet of the water receiving box is communicated with the water return port of the water box.
Further preferably, the smoke exhaust channel comprises a first smoke exhaust channel and a second smoke exhaust channel, an air valve used for switching one of the first smoke exhaust channel and the second smoke exhaust channel to be communicated with the outlet of the smoke exhaust fan is installed at the outlet of the smoke exhaust fan, and the condenser is arranged in the first smoke exhaust channel. Like this, range hood has the binary channels structure, and first exhaust gas passageway constitutes heat dissipation channel, and the second exhaust gas passageway constitutes the direct discharge passageway, under the operating mode of difference, through switching the blast gate, can open corresponding exhaust gas passageway.
In order to avoid the oil smoke from polluting the condenser, an oil smoke purification device is arranged in the first exhaust channel, and the oil smoke purification device is arranged at the upstream of the condenser along the flowing direction of the oil smoke.
Further preferably, the first smoke exhaust channel is provided with a first smoke exhaust port, the second smoke exhaust channel is provided with a second smoke exhaust port, and the first smoke exhaust port and the second smoke exhaust port are mutually independent.
The temperature sensor can be arranged at a plurality of different positions, and is preferably arranged on the collecting pipe of the condenser or at the air inlet position of the air conditioner inner machine.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the refrigeration and dehumidification dual-mode combined control method of the air-conditioning type range hood is characterized by comprising the following steps of:
s1, starting a process, and selecting to start an air conditioner by a user;
s2, monitoring the ambient temperature by a temperature sensor and feeding back data to a controller;
s3, if the monitored environment temperature is lower than the set minimum starting temperature, prompting a user that the air-conditioning function cannot be started and stopping running; if the monitored environment temperature is greater than the set minimum starting temperature, the step S4 is entered;
and S4, entering user mode selection, wherein the user selects a refrigeration mode, and the controller sends out a control signal and executes the following three actions:
a: starting an air conditioner internal unit, and operating according to a preset gear;
b: starting a compressor and continuously operating;
c: starting a water pump, and continuously operating and supplying water to the liquid distributor by adopting a preset on/off water supply frequency;
s5, feeding back liquid level data by the liquid level sensor, comparing the liquid level data with a set water level value, judging whether the liquid level data is increased, and if so, entering the step S6; if not, go to step S8;
s6: judging whether the liquid level value reaches a refrigeration liquid level warning value, if so, entering a step S9, and if not, entering a step S7;
s7: repeating the step S5;
s8: judging whether a user selects to end the refrigeration mode, if so, entering a step S11, and if not, entering a step S6;
s9: entering a dehumidification mode, and executing the actions of the subsequent three functional units;
a: the gear of the air conditioner internal unit is reduced to a low gear, and the minimum air quantity is started to operate;
b: the compressor is switched to run at a set on/off frequency under the control of a timing switch;
c: the water pump is switched to continuous operation under the control of the timing switch, and continuously pumps water into the liquid distributor;
s10: the liquid level sensor continuously monitors the liquid level data, compares the liquid level data with a set water level value and judges whether the liquid level data reaches the highest value of the operating liquid level in the dehumidification mode; if not, repeating the step S10, and if so, entering the step S11;
s11: the compressor stops running, the air conditioner internal unit stops running, and the water pump keeps continuously running;
s12: judging whether the user selects to shut down, if the user does not forcibly shut down, continuing to keep the step S11, and if the user selects to forcibly shut down, entering the step S13;
s13: and (5) turning off the water pump, entering a standby mode for waiting, and ending the process.
Preferably, the preset gear in the action a of the step S4 is a maximum air volume gear;
preferably, in the action c of step S4, the water pump is started, the water supply frequency with a large ratio of on-time to off-time is adopted, the operation is performed for 8 to 12 cycles, and the water supply frequency with a small ratio of on-time to off-time is switched.
Preferably, the start-stop frequency of the compressor of the action b in the step S9 is 9min to 11min of start-up time, and the stop time is 5min to 7min of stop time.
Preferably, the liquid level sensor in the step S10 collects data once every 400 to 600 ms.
Compared with the prior art, the invention has the advantages that: the air-conditioning range hood is characterized in that a liquid level sensor is installed in a water box, a controller can read environmental temperature data monitored by the temperature sensor and liquid level data monitored by the liquid level sensor, in addition, the controller can select to enter a refrigeration mode under the condition that the environmental temperature is greater than the set minimum starting temperature, the controller enters a dehumidification mode under the condition that the liquid level data reaches the set warning value, the switching between the refrigeration mode and the dehumidification mode is realized through the data feedback of the liquid level sensor, in addition, condensed water is not discharged outside, the problem of large amount of condensed water drainage in the dehumidification mode is solved, and the quick dehumidification is realized.
Drawings
FIG. 1 is a schematic structural diagram of an air-conditioning range hood according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an operating principle of an air conditioning assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a waterway system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a dual-mode cooling and dehumidifying control system of the air-conditioning range hood according to the embodiment of the present invention;
fig. 5 is a control logic diagram of the refrigerating and dehumidifying dual-mode control method of the air-conditioning range hood according to the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 and fig. 2, the air-conditioning range hood of the present embodiment includes a casing 1, and a range hood fan 2, an air-conditioning indoor unit 4, a compressor 5 and a condenser 6 are installed in the casing 1. The air conditioner indoor unit 4 has an evaporator 41, the compressor 5, the condenser 6 and the evaporator 41 are communicated with each other through a refrigerant pipeline 18, and the throttle device 1 is mounted on the refrigerant pipeline 18 between the condenser 6 and the evaporator 41. The air conditioner indoor unit 4 is provided with an air inlet and an air outlet, an air outlet fan 42 is installed in the shell of the air conditioner indoor unit 4, an air conditioner air outlet 17 communicated with the air outlet of the air outlet fan 42 is arranged on the shell 1, and when the air conditioner works in an air conditioning mode, cold air is blown out from the air conditioner air outlet 17.
The smoke exhaust channel 3 is formed inside the casing 1 and located at the downstream of the range hood fan 2, the smoke exhaust channel 3 of this embodiment includes a first smoke exhaust channel 31 and a second smoke exhaust channel 32, an air valve 15 is installed at the outlet of the range hood fan 2, and one of the first smoke exhaust channel 31 and the second smoke exhaust channel 32 is communicated with the outlet of the range hood fan 2 by switching the air valve 15. The condenser 6 of the present embodiment is provided in the first flue gas exhaust duct 31, and in order to avoid the contamination of the condenser 6 with soot, a soot cleaning device 16 is installed in the first flue gas exhaust duct 31, and the soot cleaning device 16 is provided upstream of the condenser 6 in the flow direction of soot. In addition, in this embodiment, the condenser 6 is disposed obliquely relative to the vertical plane, the liquid distributor 13 is installed at the top of the condenser 6, the water outlet of the liquid distributor 13 faces the condenser 6, and the condensed water flowing out from the water outlet of the liquid distributor 13 can flow downward along the surface of the condenser 6.
As shown in fig. 1, the first smoke exhausting channel 31 is in an open state, the second smoke exhausting channel 32 is in a closed state, and the oil smoke is exhausted from the first smoke exhausting channel 31, and after the air valve 15 is switched, the first smoke exhausting channel 31 is closed, the second smoke exhausting channel 32 is opened, and the oil smoke is exhausted from the second smoke exhausting channel 32. In this embodiment, the first smoke exhaust channel 31 has a first smoke exhaust port 33, the second smoke exhaust channel 32 has a second smoke exhaust port 34, and the first smoke exhaust port 33 and the second smoke exhaust port 34 are independent of each other.
Referring to fig. 3, a water pan 12 is disposed at the bottom of the indoor unit 4 for receiving the condensed water condensed on the surface of the evaporator 41, a water receiver 14 is disposed below the condenser 6 for receiving the condensed water flowing down from the surface of the condenser 6, and a water receiver 7 is further disposed in the casing 1. The water outlet of the water receiving tray 12 is communicated with the water inlet of the water box 7, the water outlet of the water box 7 is communicated with the water inlet of the liquid distributor 13, water in the water box 7 is conveyed to the liquid distributor 13 through the water pump 8, and the water outlet of the water receiving box 14 is communicated with the water return port of the water box 7
Only the range hood is opened, the first smoke exhaust channel 31 is closed through the air valve 15, the second smoke exhaust channel 32 is opened, and the oil smoke is exhausted outwards through the second smoke exhaust channel 32.
When the air conditioner works in an air conditioning mode (a refrigeration mode), condensed water condensed on the evaporator 41 flows into the water receiving tray 12, the condensed water in the water receiving tray 12 flows into the water box 7, the condensed water in the water box 7 is conveyed to the liquid distributor 13 under the action of the water pump 8 and then flows to the surface of the condenser 6 from the liquid distributor 13, on one hand, the temperature of the condenser 6 is reduced, the heat exchange effect is further improved, the effective utilization of the condensed water is realized, on the other hand, the condensed water is heated and evaporated by the condenser 6 and then is discharged from the first smoke exhaust channel 31, the non-evaporated condensed water flows into the water receiving tray 14 and flows back to the water box 7 for recycling. Meanwhile, the air outlet 17 of the air conditioner blows out cold air to improve cooking experience of a user.
In this embodiment, a temperature sensor 9 is installed at a collecting pipe of the condenser 6 or an air inlet of the air conditioner internal unit 4, a liquid level sensor 10 is installed in the water tank 7, and the controller 11 can read environmental temperature data monitored by the temperature sensor 9 and liquid level data monitored by the liquid level sensor 10, and can select to enter a refrigeration mode when the environmental temperature is higher than a set minimum startup temperature, and enter a dehumidification mode when the liquid level data reaches a set warning value.
As shown in fig. 4 and 5, the dual-mode combined control method for cooling and dehumidifying of the air-conditioning range hood of the present embodiment includes the following steps:
s1, starting a process, and selecting to start an air conditioner by a user;
s2, monitoring the ambient temperature by a temperature sensor 9, and feeding back data to a controller 11;
s3, if the monitored environment temperature is lower than the set minimum starting temperature, prompting a user that the air conditioner function cannot be started and stopping running; if the monitored environment temperature is greater than the set minimum starting temperature, the step S4 is entered;
and S4, entering user mode selection, wherein the user selects a refrigeration mode, and the controller 11 sends out a control signal and executes the following three actions:
a: starting an air conditioner indoor unit 4, and operating according to a preset gear;
b: starting the compressor 5 and continuously operating;
c: starting the water pump 8, and continuously running water to be supplied to the liquid distributor 13 by adopting a preset on/off water supply frequency;
s5, feeding back liquid level data by the liquid level sensor 10, comparing the liquid level data with a set water level value, judging whether the liquid level data is increased, and if so, entering the step S6; if not, go to step S8;
s6: judging whether the liquid level value reaches a refrigeration liquid level warning value, if so, entering a step S9, and if not, entering a step S7;
s7: repeating the step S5;
s8: judging whether a user selects to end the refrigeration mode, if so, entering a step S11, and if not, entering a step S6;
s9: entering a dehumidification mode, and executing the actions of the following three functional units;
a: the gear of the air conditioner indoor unit 4 is lowered to a low gear, and the minimum air volume is started to operate;
b: the compressor 5 is switched to run at a set on/off frequency under the control of a timing switch;
c: the water pump 8 is switched into continuous operation under the control of a timing switch, and continuously pumps water into the liquid distributor 13;
s10: the liquid level sensor 10 continues to monitor the liquid level data, compares the liquid level data with a set water level value, and judges whether the liquid level data reaches the highest value of the operating liquid level in the dehumidification mode; if not, repeating the step S10, and if so, entering the step S11;
s11: the compressor 5 stops running, the air conditioner internal unit 4 stops running, and the water pump 8 keeps running continuously;
s12: judging whether the user selects to shut down, if the user does not forcibly shut down, continuing to keep the step S11, and if the user selects to forcibly shut down, entering the step S13;
s13: and (5) turning off the water pump 8, entering a standby mode for waiting, and ending the process.
The minimum boot temperature in step S3 may be set to 18 ℃. The preset gear in the action a of the step S4 is a maximum air volume gear; in the action c of the step S4, the water pump 8 is started, the water supply frequency with the larger ratio of the start time to the stop time is adopted firstly, such as 5 seconds for start, 2 seconds for stop, 10 periods of operation are carried out, and the water supply frequency with the smaller ratio of the start time to the stop time is switched to, such as 2 seconds for start, 15 seconds for stop; in addition, in step S4, the display panel may display that the cooling mode is on. In the step S9, the start-stop frequency of the compressor 5 is 9min to 11min, and the stop frequency is 5min to 7min, for example, the start-stop frequency may be 10min and the stop frequency may be 6min, and the generation amount of the condensed water may be controlled by starting and stopping the compressor 5. In the step S10, the liquid level sensor 10 collects data every 400 to 600ms, so that data collection every 500ms is avoided.

Claims (10)

1. The utility model provides an air-conditioning range hood, includes casing (1), be equipped with compressor (5) and oil absorption cigarette fan (2) in casing (1), the low reaches of oil absorption cigarette fan (2) are formed with smoke exhaust passage (3), install air conditioner indoor unit (4) on casing (1), air conditioner indoor unit (4) are including evaporimeter (41) install condenser (6) in smoke exhaust passage (3), compressor (5), condenser (6) and evaporimeter (41) are linked together through refrigerant pipeline (18), its characterized in that: the refrigeration machine is characterized in that a water box (7) is arranged in the machine shell (1), condensed water condensed on the surface of the evaporator (41) can flow into the water box (7), water in the water box (7) is conveyed to the condenser (6) through a water pump (8), the condensed water flowing down from the surface of the condenser (6) flows back to the water box (7), the refrigeration machine further comprises a temperature sensor (9), a liquid level sensor (10) and a controller (11), the liquid level sensor (10) is installed in the water box (7), the controller (11) can read environment temperature data monitored by the temperature sensor (9) and liquid level data monitored by the liquid level sensor (10), and can select to enter a refrigeration mode when the environment temperature is higher than a set minimum starting temperature and enter a dehumidification mode when the liquid level data reaches a set warning value.
2. An air-conditioning type range hood according to claim 1, wherein: the air conditioner is characterized in that a water receiving tray (12) used for receiving condensed water condensed on the surface of an evaporator (41) is arranged at the bottom of the air conditioner internal unit (4), a liquid distributor (13) is installed at the top of the condenser (6), a water receiving box (14) used for receiving the condensed water flowing down from the surface of the condenser (6) is arranged below the condenser (6), a water outlet of the water receiving tray (12) is communicated with a water inlet of the water distributor (7), a water outlet of the water distributor (7) is communicated with a water inlet of the liquid distributor (13), the condensed water in the water distributor (7) is conveyed to the liquid distributor (13) through the water pump (8), and a water outlet of the water receiving box (14) is communicated with a water return port of the water distributor (7).
3. An air-conditioning type range hood according to claim 1, wherein: the smoke exhausting channel (3) comprises a first smoke exhausting channel (31) and a second smoke exhausting channel (32), an air valve (15) used for switching one of the first smoke exhausting channel (31) and the second smoke exhausting channel (32) to be communicated with the outlet of the oil smoke exhausting fan (2) is installed at the outlet of the oil smoke exhausting fan (2), and the condenser (6) is arranged in the first smoke exhausting channel (31).
4. An air-conditioning type range hood according to claim 3, wherein: and a lampblack purification device (16) is arranged in the first smoke exhaust channel (31), and the lampblack purification device (16) is arranged at the upstream of the condenser (6) along the flowing direction of lampblack.
5. An air-conditioning type range hood as set forth in claim 1, wherein: and the temperature sensor (9) is arranged on a collecting pipe of the condenser (6) or at the position of an air inlet of the air conditioner internal unit (4).
6. A refrigerating and dehumidifying dual-mode combined control method of the air-conditioning type range hood as claimed in claim 2, characterized by comprising the steps of:
s1, starting a process, and selecting to start an air conditioner by a user;
s2, monitoring the ambient temperature by a temperature sensor and feeding back data to a controller;
s3, if the monitored environment temperature is lower than the set minimum starting temperature, prompting a user that the air conditioner function cannot be started and stopping running; if the monitored environment temperature is greater than the set minimum starting temperature, the step S4 is carried out;
and S4, entering user mode selection, wherein the user selects a refrigeration mode, and the controller sends out a control signal and executes the following three actions:
a: starting an air conditioner internal unit, and operating according to a preset gear;
b: starting a compressor and continuously operating;
c: starting a water pump, and continuously operating and supplying water to the liquid distributor by adopting a preset on/off water supply frequency;
s5, feeding back liquid level data by the liquid level sensor, comparing the liquid level data with a set water level value, judging whether the liquid level data is increased, and if so, entering the step S6; if not, go to step S8;
s6: judging whether the liquid level value reaches a refrigeration liquid level warning value, if so, entering a step S9, and if not, entering a step S7;
s7: repeating the step S5;
s8: judging whether a user selects to end the refrigeration mode, if so, entering a step S11, and if not, entering a step S6;
s9: entering a dehumidification mode, and executing the actions of the following three functional units;
a: the gear of the air conditioner internal unit is reduced to a low gear, and the minimum air quantity is started to operate;
b: the compressor is switched to run at a set on/off frequency under the control of the timing switch;
c: the water pump is switched into continuous operation under the control of the timing switch, and continuously pumps water into the liquid distributor;
s10: the liquid level sensor continuously monitors the liquid level data, compares the liquid level data with a set water level value and judges whether the liquid level data reaches the highest value of the operating liquid level in the dehumidification mode; if not, repeating the step S10, and if so, entering the step S11;
s11: the compressor stops running, the air conditioner internal unit stops running, and the water pump keeps running continuously;
s12: judging whether the user selects to shut down, if the user does not forcibly shut down, continuing to keep the step S11, and if the user selects to forcibly shut down, entering the step S13;
s13: and (5) turning off the water pump, entering a standby mode for waiting, and ending the process.
7. The refrigeration and dehumidification dual-mode combined control method of the air-conditioning type range hood according to claim 6, characterized in that: the preset gear in the action a of the step S4 is a maximum air volume gear.
8. The refrigeration and dehumidification dual-mode combined control method of the air-conditioning type range hood according to claim 6, characterized in that: in the step S4, in the action c, the water pump is started, the water supply frequency with a large ratio of the on-time to the off-time is adopted, the operation is carried out for 8-12 periods, and the water supply frequency with a small ratio of the on-time to the off-time is switched.
9. The refrigeration and dehumidification dual-mode combined control method of the air-conditioning type range hood according to claim 6, characterized in that: and the starting and stopping frequency of the compressor of the action b of the step S9 is 9-11 min of starting time, and the stopping time is 5-7 min.
10. The refrigeration and dehumidification dual-mode combined control method of the air-conditioning type range hood according to claim 6, characterized in that: and S10, the liquid level sensor collects data once every 400-600 ms.
CN202210024219.XA 2022-01-04 2022-01-04 Air-conditioning type range hood and refrigeration and dehumidification dual-mode combined control method thereof Pending CN115342403A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117317821A (en) * 2023-09-11 2023-12-29 江门市大光明电力设计有限公司 Intelligent monitoring system of transformer substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117317821A (en) * 2023-09-11 2023-12-29 江门市大光明电力设计有限公司 Intelligent monitoring system of transformer substation
CN117317821B (en) * 2023-09-11 2024-05-10 江门市大光明电力设计有限公司 Intelligent monitoring system of transformer substation

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