CN117053303A - Kitchen air conditioning system and control method thereof - Google Patents
Kitchen air conditioning system and control method thereof Download PDFInfo
- Publication number
- CN117053303A CN117053303A CN202310955892.XA CN202310955892A CN117053303A CN 117053303 A CN117053303 A CN 117053303A CN 202310955892 A CN202310955892 A CN 202310955892A CN 117053303 A CN117053303 A CN 117053303A
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- Prior art keywords
- air
- kitchen
- air outlet
- fan
- exhaust pipe
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 35
- 231100000719 pollutant Toxicity 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 13
- 239000000356 contaminant Substances 0.000 claims abstract description 8
- 239000003507 refrigerant Substances 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims description 31
- 238000001914 filtration Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 239000003517 fume Substances 0.000 description 10
- 238000004659 sterilization and disinfection Methods 0.000 description 7
- 235000019504 cigarettes Nutrition 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
-
- 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
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
-
- 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
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- 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
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
-
- 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
Abstract
The present utility model relates to a kitchen air conditioning system and a control method thereof, the kitchen air conditioning system comprising: the air conditioning assembly comprises a first shell, a compressor, a condenser, an evaporator, an air outlet fan and a heat radiation fan which are communicated through a refrigerant pipeline; an air outlet channel is arranged in the first shell, the evaporator and the air outlet fan are both arranged in the air outlet channel, the air outlet channel is provided with an air inlet and an air outlet communicated with the interior of the kitchen chamber in a circulating way, and the heat dissipation fan is positioned at the downstream of the condenser along the flowing direction of air flow; characterized by further comprising: a contaminant concentration detection module; the controller is electrically connected with the pollutant concentration detection module, the air outlet fan and the heat radiation fan, and is configured to: and controlling the work of the air outlet fan and/or the heat radiation fan according to the detection result of the pollutant concentration detection module. Therefore, the air exhaust purification can be performed on pollutants in the kitchen air while refrigeration is realized, so that the kitchen environment is improved, and the use experience of a user is improved.
Description
Technical Field
The utility model relates to the technical field of household kitchen appliances, in particular to a kitchen air conditioning system and a control method thereof.
Background
The kitchen is the main place that people cook, and the cooking experience is directly influenced by the kitchen air environment. The kitchen is hot in summer and cold in winter, and has the demand of cooling and heating, therefore, people invent various kitchen air conditioners, cool the kitchen air in summer, and provide warm air for the kitchen in winter to improve the cooking comfort level.
Refrigerating type range hood in the prior art comprises a compressor, an evaporator and a condenser, namely: the refrigerating assembly is added on the basis of the range hood, so that not only can all functions of the range hood be realized, but also the refrigerating function of an air conditioner can be realized. For example: chinese utility model patent No. ZL201620118022.2 (grant notice No. CN 205402826U) discloses a range hood and chinese utility model patent No. ZL201610382769.3 (grant notice No. CN 105910147B) discloses a refrigerating range hood.
However, the refrigeration type range hood in the prior art has the following use limitations: the ventilation function of the kitchen range hood often causes low negative pressure in the kitchen, so that pollutant particles outside the kitchen can easily enter the kitchen, and the kitchen environment is polluted. For this reason, further improvements to the prior art are needed.
Disclosure of Invention
The first technical problem to be solved by the present utility model is to provide a kitchen air conditioning system capable of improving the kitchen environment, aiming at the above prior art.
A second technical problem to be solved by the present utility model is to provide a control method of the above-mentioned kitchen air conditioning system, which can purify kitchen air to improve kitchen environment, in view of the above-mentioned prior art.
The third technical problem to be solved by the present utility model is to provide a control method of the kitchen air conditioning system, which can keep the negative pressure of the kitchen at a certain value, and ensure the purifying effect of the kitchen.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: a kitchen air conditioning system comprising
The air conditioning assembly comprises a first shell, a compressor, a condenser, an evaporator, an air outlet fan and a heat radiation fan, wherein the compressor, the condenser and the evaporator are communicated through a refrigerant pipeline; the evaporator and the air outlet fan are both arranged in the air outlet channel, the air outlet channel is provided with an air inlet and an air outlet communicated with the interior of the kitchen chamber in a circulating way, and the heat dissipation fan is positioned at the downstream of the condenser along the flowing direction of air flow;
characterized by further comprising:
the pollutant concentration detection module is used for detecting the pollutant concentration in the kitchen air;
a controller electrically connected to the contaminant concentration detection module, the air outlet fan, and the heat dissipation fan, the controller configured to: and controlling the work of the air outlet fan and/or the heat radiation fan according to the detection result of the pollutant concentration detection module.
In order to realize the switching of the refrigerating mode that the air conditioning assembly introduces outdoor fresh air and circulates in, the air inlet comprises a first air inlet which is in fluid communication with the kitchen indoor and a second air inlet which is in fluid communication with the kitchen outdoor, a second baffle which is restrained in the air outlet channel in a rotating mode is further arranged in the air outlet channel, and in the rotating process of the second baffle, the second baffle can alternatively close the first air inlet to enable the air outlet channel to enter the air through the second air inlet or block the air outlet channel to enable the air outlet channel to enter the air through the first air inlet.
In order to realize the filtration of air inlet, along the air current flow direction, the upper reaches of evaporimeter are equipped with filtration purification module, just filtration purification module is located the low reaches of first air intake and second air intake.
Preferably, the filtering and purifying module is at least one layer of filter screen.
Preferably, the pollutant concentration detection module is at least one of a particulate matter sensor and a PID sensor.
In order to realize the heat dissipation in the first casing, the air outlet of the heat dissipation fan is externally connected with an exhaust pipe, and the air outlet direction of the heat dissipation fan is aligned to the inlet of the exhaust pipe.
In order to realize the cooperation of air conditioning assembly and oil absorption cigarette subassembly, kitchen air conditioning system still includes the oil absorption cigarette subassembly, the oil absorption cigarette subassembly includes the second casing and installs the oil absorption cigarette fan in the second casing, and the exhaust pipe that is linked together with the air outlet of oil absorption cigarette fan is installed at second casing top, the exhaust pipe is linked together with the exhaust pipe, still be equipped with the first baffle that can rotate ground wherein in the exhaust pipe, at first baffle pivoted in-process, first baffle can alternatively block the exhaust pipe, block the exhaust pipe or open exhaust pipe and exhaust pipe simultaneously.
In order to realize blocking of the smoke exhaust pipe and the exhaust pipe, the middle part of the smoke exhaust pipe is provided with a three-way valve, the three-way valve is provided with a first inlet, a second inlet and an outlet, the first inlet and the outlet of the three-way valve are communicated with the smoke exhaust pipe, the second inlet of the three-way valve is communicated with the exhaust outlet of the exhaust pipe, the first baffle is restrained in the three-way valve, and in the rotating process of the first baffle, the first baffle has the following three states:
in a first state, the first baffle closes the second inlet to realize that the first baffle blocks the exhaust pipe;
in a second state, the first baffle closes the first inlet to realize that the first baffle blocks the smoke exhaust pipe;
in a third state, the first baffle rotates to a position between the first inlet and the second inlet, and the first inlet and the second inlet are both opened so as to realize that the first baffle simultaneously opens the smoke exhaust pipe and the exhaust pipe.
The utility model solves the second technical problem by adopting the technical proposal that: a control method of the kitchen air conditioning system as described above, characterized by comprising the steps of:
step 1, detecting the concentration N of pollutants in a kitchen through a pollutant concentration detection module;
step 2, judging whether N is larger than or equal to a maximum preset threshold Nmax, if so, turning to step 3; if not, the step 1 is carried out;
step 3, controlling the first baffle to block the smoke exhaust pipe and controlling the heat radiation fan to operate so as to execute the purification work;
step 4, detecting the pollutant concentration in the kitchen through the pollutant concentration detection module again when the running time of the cooling fan reaches a first preset time;
step 5, judging whether the change rate K of the pollutant concentration reduction speed in the kitchen is larger than or equal to a preset value Kt, if so, switching to step 6; if not, the step 7 is carried out;
step 6, continuing to execute the step 3, and after the running time of the cooling fan reaches a second preset time, switching to the step 1;
and 7, controlling the first baffle to simultaneously open the smoke exhaust pipe and the exhaust pipe, and simultaneously controlling the heat dissipation fan and the smoke exhaust fan to operate.
In order to solve the third technical problem, the step 7 further includes the following steps:
step 8, when the operation of the heat radiation fan and the oil smoke suction fan reaches a third preset time, the step 9 is carried out;
step 9, judging whether the kitchen negative pressure is lower than a preset limiting value, if so, switching to step 10; if not, the step 1 is carried out;
step 10, controlling the air outlet channel to enter air through the second air inlet and controlling the air outlet fan to operate;
step 11, judging whether the kitchen fresh air compensation quantity meets the kitchen negative pressure compensation requirement, if so, keeping the kitchen negative pressure at a certain limit value, and transferring to the step 6; if not, the intermittent operation of the heat radiation fan and the oil fume suction fan is controlled, and the step 9 is carried out.
Compared with the prior art, the utility model has the advantages that: by providing a contaminant concentration detection module for detecting a concentration of contaminants in kitchen air and a controller, the controller is electrically connected with the contaminant concentration detection module, the air outlet fan and the heat dissipation fan, the controller is configured to: and controlling the work of the air outlet fan and/or the heat radiation fan according to the detection result of the pollutant concentration detection module. Therefore, the air exhaust purification can be performed on pollutants in the kitchen air while refrigeration is realized, so that the kitchen environment is improved, and the use experience of a user is improved.
Drawings
FIG. 1 is a schematic view of a kitchen air conditioning system in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic view of another view angle structure of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1 (omitting the first housing);
FIG. 4 is a schematic view of another view structure of FIG. 3;
FIG. 5 is a partial cross-sectional view of FIG. 1 (omitting the second housing);
fig. 6 is a flowchart illustrating a control method of the kitchen air-conditioning system in accordance with an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the kitchen air conditioning system in the present embodiment includes an air conditioning assembly 1 and a range hood assembly 2. The air conditioning assembly 1 comprises a first shell 11, and a compressor 12, a condenser 13 and an evaporator 14 which are arranged in the first shell 11, wherein the compressor 12, the condenser 13 and the evaporator 14 are communicated through a refrigerant pipeline a, the compressor 12, the condenser 13 and the evaporator 14 form a refrigerating system, the technology is the prior art of air conditioning, and the principle of the technology is not expanded any more; the fume exhaust assembly 2 comprises a second casing 21 and a fume exhaust fan (not shown in the figure) arranged in the second casing 21, wherein a fume exhaust pipe 23 communicated with an air outlet of the fume exhaust fan is arranged at the top of the second casing 21; the fume exhaust assembly 2 adopts the existing fume exhaust fan, the first housing 11 is located on top of the second housing 21, and the first housing 11 is provided with a through hole (not shown) through which the fume exhaust pipe 23 extends at least partially. Thus, the kitchen air conditioning system is installed more attractive by saving the installation space of the air conditioning assembly 1.
The first casing 11 is internally provided with an air outlet channel 114, the evaporator 14 is arranged in the air outlet channel 114, the air outlet channel 114 is provided with an air inlet and an air outlet 112, as shown in fig. 1, 2 and 4, the air inlet in the embodiment comprises a first air inlet 111a in fluid communication with the kitchen indoor and a second air inlet 111b in fluid communication with the kitchen outdoor, the top of the air outlet channel 114 is opened, the second air inlet 111b is correspondingly opened at the top of the air outlet channel 114, the first air inlet 111a is arranged on the side wall of the air outlet channel 114, the air inlet through the first air inlet 111a is marked as an internal circulation mode, and the air inlet through the second air inlet 111b is marked as a fresh air mode; the air outlet 112 is in fluid communication with the kitchen chamber.
The air outlet channel 114 is further internally provided with an air outlet fan 15, a disinfection and sterilization module 10 and a filtration and purification module 115, and the air outlet fan 15 is positioned at the downstream of the evaporator 14 along the air flow direction, the disinfection and sterilization module 10 and the filtration and purification module 115 are both positioned at the upstream of the evaporator 14 and at the downstream of the first air inlet 111a and the second air inlet 111b, in this embodiment, as shown in fig. 4, the disinfection and sterilization module 10 is an ultraviolet disinfection lamp installed in the first casing 11, and the filtration and purification module 115 is at least one layer of filter screen, and the filter screen can be a filter screen commonly used in the existing air purifier, such as a HEPA filter screen; the air outlet direction of the air outlet fan 15 faces the air outlet of the air outlet channel 114; the air outlet channel 114 is further provided with an air outlet swing blade 17 capable of swinging and a third driving mechanism for driving the air outlet swing blade 17 to act so as to change the air outlet direction of the air outlet 112 of the air outlet channel 114, wherein the third driving mechanism is a motor for driving the air outlet swing blade 17 to swing back and forth and left and right, and the air outlet swing blade 17 is a common prior art in the existing air conditioner, and no redundant description is provided here. As shown in fig. 1, a square tube extending vertically is disposed on the left side of the first casing 11, as shown in fig. 5, the evaporator 14 is disposed at the end of the square tube, the air outlet fan 15 is attached to or disposed adjacent to the right side of the evaporator 14, and an air outlet pipe 16 is connected to an air outlet of the air outlet fan 15, the air outlet pipe 16 is in fluid communication with the square tube to form the air outlet channel 114, and the air outlet 112 is disposed on the front side of the air outlet pipe 16.
In addition, the second baffle 6 is further disposed in the air outlet channel 114 and is restrained in a rotating manner, and in the rotating process of the second baffle 6, the second baffle 6 can alternatively close the first air inlet 111a to enable the air outlet channel 114 to enter air through the second air inlet 111b, or block the air outlet channel 114 to enable the air outlet channel 114 to enter air through the first air inlet 111 a. As shown in fig. 3 and 4, the embodiment further includes a second driving mechanism for driving the second baffle 6 to rotate, where the second driving mechanism is a second motor 7 connected with the second baffle 6 in a driving manner, one side edge of the second baffle 6 is constrained on a wall surface of the air outlet channel 114 where the first air inlet 111a is located and is located upstream of the first air inlet 111a, and the other side edge of the second baffle 6 is a free end.
The first housing 11 is provided with a heat radiation opening 113 externally connected with an exhaust pipe 19, the exhaust pipe 23 is communicated with the exhaust pipe 19, the first housing 11 is provided with a heat radiation fan 18 positioned at the downstream of the condenser 13 along the airflow flowing direction, the heat radiation fan 18 is attached to or arranged near one side of the condenser 13, and the air outlet direction of the heat radiation fan 18 is aligned with the inlet of the exhaust pipe 19. As shown in fig. 1, a third air inlet 111c for air intake of the condenser 13 is further formed at the top of the first casing 11, and the third air inlet 111c is in fluid communication with the kitchen chamber; as shown in fig. 5, the air outlet of the heat dissipation fan 18 corresponds to the heat dissipation opening 113 of the first housing 11. In addition, as shown in fig. 3, the evaporator 14 and the condenser 13 are respectively located at two sides in the first housing 11, so that hot air formed after flowing through the condenser 13 and cold air formed after flowing through the evaporator 14 are isolated from each other by interval arrangement, and mutual interference of the cold air and the hot air is avoided.
The first baffle 4 is rotatably restrained in the smoke exhaust pipe 23, and during the rotation of the first baffle 4, the first baffle 4 can alternatively block the smoke exhaust pipe 23, block the exhaust pipe 19 or simultaneously open the smoke exhaust pipe 23 and the exhaust pipe 19. In this embodiment, the first motor 5 is in driving connection with the first baffle 4 to drive the first baffle 4 to rotate, as shown in fig. 5, a three-way valve 3 is disposed in the middle of the smoke exhaust pipe 23 in this embodiment, the three-way valve 3 has a first inlet 31, a second inlet 32 and an outlet 33, the first inlet 31 and the outlet 33 of the three-way valve 3 are all communicated with the smoke exhaust pipe 23, the second inlet 32 of the three-way valve 3 is communicated with the air outlet of the air exhaust pipe 19, the first baffle 4 is constrained in the three-way valve 3, and in the process of rotating the first baffle 4, the first baffle 4 has three states: in the first state, the first baffle 4 closes the second inlet 32 to realize that the first baffle 4 blocks the exhaust duct 19; in the second state, the first baffle 4 closes the first inlet 31 to realize that the first baffle 4 blocks the smoke exhaust pipe 23; in the third state, the first shutter 4 is rotated to a position between the first inlet 31 and the second inlet 32, and both the first inlet 31 and the second inlet 32 are opened to realize that the first shutter 4 simultaneously opens the smoke discharge pipe 23 and the exhaust pipe 19.
As shown in fig. 5, the three-way valve 3 in the present embodiment is square and hollow, the first inlet 31 and the outlet 33 are respectively disposed on the upper and lower wall surfaces of the three-way valve 3, the second inlet 32 is disposed on one side wall surface of the three-way valve 3, the first side edge of the first baffle 4 extends along the width direction of the three-way valve 3, and the first side edge of the first baffle 4 is rotatably restrained at the position where the wall surface where the first inlet 31 is located and the wall surface where the second inlet 32 is located intersect, and the second side edge is a free edge. In this way, the first shutter 4 is in the first state when it is rotated to be integrally bonded to the side wall surface of the three-way valve 3 where the second inlet 32 is located, and is in the second state when it is rotated to be integrally bonded to the lower wall surface of the three-way valve 3 (as shown in fig. 5, the first shutter 4 is in the second state), and is in the third state when it is rotated to be positioned between the side wall surface of the three-way valve 3 where the second inlet 32 is located and the lower wall surface of the three-way valve 3, and in the third state, the angle between the first shutter 4 and the lower wall surface of the three-way valve 3 in the present embodiment is 60 °.
The kitchen air conditioning system further comprises a pollutant concentration detection module (not shown in the figure) and a controller (not shown in the figure), wherein the pollutant concentration detection module is used for detecting the pollutant concentration in the kitchen air; the controller is electrically connected with the pollutant concentration detection module, the air outlet fan 15 and the heat radiation fan 18, and is configured to: the operation of the air outlet fan 15 and/or the heat dissipation fan 18 is controlled according to the detection result of the pollutant concentration detection module. In this embodiment, the contaminant concentration detection module is at least one of a particulate matter sensor and a PID sensor, and the contaminant concentration detection module adopts an existing sensor, which is not described herein.
As shown in fig. 6, the control method of the kitchen air-conditioning system in the present embodiment includes the steps of:
step 1, detecting the concentration N of pollutants in a kitchen through a pollutant concentration detection module;
step 2, judging whether N is larger than or equal to a maximum preset threshold Nmax, if so, turning to step 3; if not, the step 1 is carried out;
step 3, controlling the first baffle to block the smoke exhaust pipe and controlling the heat radiation fan to operate so as to execute the purification work;
step 4, detecting the pollutant concentration in the kitchen through the pollutant concentration detection module again when the running time of the cooling fan reaches a first preset time;
step 5, judging whether the change rate K of the pollutant concentration reduction speed in the kitchen is larger than or equal to a preset value Kt, if so, switching to step 6; if not, the step 7 is carried out;
step 6, continuing to execute the step 3, and after the running time of the cooling fan reaches a second preset time, switching to the step 1;
and 7, controlling the first baffle to simultaneously open the smoke exhaust pipe and the exhaust pipe, and simultaneously controlling the heat dissipation fan and the smoke exhaust fan to operate.
In addition, the method further comprises the following steps:
step 8, when the operation of the heat radiation fan and the oil smoke suction fan reaches a third preset time, the step 9 is carried out;
step 9, judging whether the kitchen negative pressure is lower than a preset limiting value, if so, switching to step 10; if not, the step 1 is carried out;
step 10, controlling the air outlet channel to enter air through the second air inlet and controlling the air outlet fan to operate;
step 11, judging whether the kitchen fresh air compensation quantity meets the kitchen negative pressure compensation requirement, if so, keeping the kitchen negative pressure at a certain limit value, and transferring to the step 6; if not, the intermittent operation of the heat radiation fan and the oil fume suction fan is controlled, and the step 9 is carried out.
In the embodiment, the cooling fan and the oil fume suction fan of the refrigerating system are used for carrying out kitchen exhaust purification in a linkage and matching mode, the concentration of pollutants is intelligently detected in the purification process, and meanwhile, the air outlet fan of the refrigerating system is used for carrying out dynamic compensation on the negative pressure of a kitchen, so that the negative pressure of the kitchen is kept at a certain limit value, and the purification effect of the kitchen is guaranteed.
In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.
Claims (10)
1. A kitchen air conditioning system comprising
The air conditioning assembly (1) comprises a first shell (11), a compressor (12), a condenser (13), an evaporator (14), an air outlet fan (15) and a heat radiation fan (18), wherein the compressor (12), the condenser (13) and the evaporator (14) are communicated through a refrigerant pipeline (a); an air outlet channel (114) is formed in the first casing (11), the evaporator (14) and the air outlet fan (15) are both arranged in the air outlet channel (114), the air outlet channel (114) is provided with an air inlet and an air outlet (112) communicated with the interior of the kitchen chamber in a circulating way, and the heat dissipation fan (18) is positioned at the downstream of the condenser (13) along the flowing direction of air flow;
characterized by further comprising:
the pollutant concentration detection module is used for detecting the pollutant concentration in the kitchen air;
a controller electrically connected to the contaminant concentration detection module, the air outlet fan (15), and the heat dissipation fan (18), the controller configured to: and controlling the air outlet fan (15) and/or the heat radiation fan (18) to work according to the detection result of the pollutant concentration detection module.
2. The kitchen air conditioning system according to claim 1, wherein: the air inlet comprises a first air inlet (111 a) in fluid communication with the kitchen indoor and a second air inlet (111 b) in fluid communication with the kitchen outdoor, a second baffle (6) restrained in the air outlet channel (114) in a rotating mode is further arranged in the air outlet channel (114), the first air inlet (111 a) can be selectively closed by the second baffle (6) in the rotating process of the second baffle (6), the air outlet channel (114) is enabled to be air-in through the second air inlet (111 b), or the air outlet channel (114) is blocked, and the air outlet channel (114) is enabled to be air-in through the first air inlet (111 a).
3. The kitchen air conditioning system according to claim 2, wherein: along the airflow flowing direction, a filtering and purifying module (115) is arranged at the upstream of the evaporator (14), and the filtering and purifying module (115) is positioned at the downstream of the first air inlet (111 a) and the second air inlet (111 b).
4. A kitchen air conditioning system according to claim 3, characterized in that: the filtering and purifying module (115) is at least one layer of filter screen.
5. Kitchen air conditioning system according to any of claims 1-4, characterized in that: the pollutant concentration detection module is at least one of a particulate matter sensor and a PID sensor.
6. Kitchen air conditioning system according to any of claims 2-4, characterized in that: an air outlet of the heat radiation fan (18) is externally connected with an exhaust pipe (19), and an air outlet direction of the heat radiation fan (18) is aligned to an inlet of the exhaust pipe (19).
7. The kitchen air conditioning system according to claim 6, wherein: kitchen air conditioning system still includes oil smoke absorption subassembly (2), oil smoke absorption subassembly (2) include second casing (21) and install the oil smoke ventilator in second casing (21), and exhaust pipe (23) that are linked together with the air outlet of oil smoke ventilator (22) are installed at second casing (21) top, exhaust pipe (23) are linked together with exhaust pipe (19), still be equipped with first baffle (4) among them rotationally in exhaust pipe (23), at first baffle (4) pivoted in-process, first baffle (4) can alternatively block exhaust pipe (23), block exhaust pipe (19) or open exhaust pipe (23) and exhaust pipe (19) simultaneously.
8. The kitchen air conditioning system according to claim 7, wherein: the middle part of exhaust pipe (23) is equipped with three-way valve (3), three-way valve (3) have first entry (31), second entry (32) and export (33), and first entry (31) and export (33) of this three-way valve (3) all are linked together with exhaust pipe (23), second entry (32) of this three-way valve (3) with the air exit of exhaust pipe (19) is linked together, first baffle (4) retrain in three-way valve (3), in the pivoted in-process of first baffle (4), first baffle (4) have following three state:
in a first state, the first baffle (4) closes the second inlet (32) to enable the first baffle (4) to block the exhaust duct (19);
in a second state, the first baffle (4) closes the first inlet (31) to enable the first baffle (4) to block the smoke exhaust pipe (23);
in a third state, the first baffle (4) rotates to a position between the first inlet (31) and the second inlet (32), and the first inlet (31) and the second inlet (32) are both opened so as to realize that the first baffle (4) simultaneously opens the smoke exhaust pipe (23) and the exhaust pipe (19).
9. A control method of a kitchen air conditioning system as claimed in claim 7 or 8, comprising the steps of:
step 1, detecting the concentration N of pollutants in a kitchen through a pollutant concentration detection module;
step 2, judging whether N is larger than or equal to a maximum preset threshold Nmax, if so, turning to step 3; if not, the step 1 is carried out;
step 3, controlling the first baffle to block the smoke exhaust pipe and controlling the heat radiation fan to operate so as to execute the purification work;
step 4, detecting the pollutant concentration in the kitchen through the pollutant concentration detection module again when the running time of the cooling fan reaches a first preset time;
step 5, judging whether the change rate K of the pollutant concentration reduction speed in the kitchen is larger than or equal to a preset value Kt, if so, switching to step 6; if not, the step 7 is carried out;
step 6, continuing to execute the step 3, and after the running time of the cooling fan reaches a second preset time, switching to the step 1;
and 7, controlling the first baffle to simultaneously open the smoke exhaust pipe and the exhaust pipe, and simultaneously controlling the heat dissipation fan and the smoke exhaust fan to operate.
10. The control method according to claim 9, characterized in that: the step 7 further comprises the following steps:
step 8, when the operation of the heat radiation fan and the oil smoke suction fan reaches a third preset time, the step 9 is carried out;
step 9, judging whether the kitchen negative pressure is lower than a preset limiting value, if so, switching to step 10; if not, the step 1 is carried out;
step 10, controlling the air outlet channel to enter air through the second air inlet and controlling the air outlet fan to operate;
step 11, judging whether the kitchen fresh air compensation quantity meets the kitchen negative pressure compensation requirement, if so, carrying out kitchen negative pressure
Maintaining at a certain limit value, and switching to the step 6; if not, the intermittent operation of the heat radiation fan and the oil smoke suction fan is controlled,
and proceeds to step 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310955892.XA CN117053303A (en) | 2023-07-31 | 2023-07-31 | Kitchen air conditioning system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310955892.XA CN117053303A (en) | 2023-07-31 | 2023-07-31 | Kitchen air conditioning system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117053303A true CN117053303A (en) | 2023-11-14 |
Family
ID=88658157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310955892.XA Pending CN117053303A (en) | 2023-07-31 | 2023-07-31 | Kitchen air conditioning system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117053303A (en) |
-
2023
- 2023-07-31 CN CN202310955892.XA patent/CN117053303A/en active Pending
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