CN112902297A - Kitchen air conditioning system and control method thereof - Google Patents
Kitchen air conditioning system and control method thereof Download PDFInfo
- Publication number
- CN112902297A CN112902297A CN201911220036.XA CN201911220036A CN112902297A CN 112902297 A CN112902297 A CN 112902297A CN 201911220036 A CN201911220036 A CN 201911220036A CN 112902297 A CN112902297 A CN 112902297A
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- Prior art keywords
- heat exchanger
- air conditioning
- fan
- conditioning system
- exhaust channel
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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
- 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
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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
- 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
- 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
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
- F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
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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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0068—Indoor units, e.g. fan coil units characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
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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)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The kitchen air conditioning system comprises an air conditioning assembly and an oil fume absorption assembly, wherein the air conditioning assembly comprises a compressor, a first heat exchanger and a second heat exchanger, the oil fume absorption assembly comprises a first fan and a fume exhaust channel arranged at the rear end of the first fan, the first heat exchanger is arranged in the fume exhaust channel, an air valve is arranged at the outlet of the fume exhaust channel, and the kitchen air conditioning system further comprises a controller which controls the air valve to be opened and closed by reading the rotating speed and gear data of the first fan. This kitchen air conditioning system locates first heat exchanger in the smoke evacuation passageway, utilize direct current motor under the unchangeable circumstances of gear, the resistance increase can lead to the principle that the fan rotational speed increases, the controller can judge the jam condition of learning the comdenstion water on the first heat exchanger through the rotational speed size, and the control valve block is closed and can be improved the static pressure, the valve block is opened and can be improved the dynamic pressure rapidly, thereby blow off the comdenstion water on the first heat exchanger, thereby do benefit to the performance that promotes first heat exchanger and range hood's smoke exhaust effect.
Description
Technical Field
The invention relates to an air conditioning system, in particular to a kitchen air conditioning system and a control method thereof.
Background
The kitchen is a main place for cooking, the mood of a cooker is directly influenced by the quality of the air environment of the kitchen, and particularly in hot summer, the stuffy environment of the kitchen brings great discomfort to the cooker. The existing kitchen air conditioner is often independent of a range hood of a kitchen, the two are not matched with each other, and for the integrated kitchen air conditioner, because the installation space is limited, heat generated in the working process cannot be timely and effectively taken away, so that the using effect of the air conditioner is influenced. Therefore, the applicant has previously invented a kitchen air conditioning system in which the heat exchanger is installed inside the range hood, and in the refrigeration mode, the heat exchanger inside the range hood is used as a condenser, and the heat generated by the heat exchanger can be taken away by oil smoke, thereby improving the energy efficiency of the air conditioner. However, in the heating mode, the heat exchanger inside the range hood is used as an evaporator, and when moisture condenses on the heat exchanger, if the moisture cannot be discharged in time, the blockage of the air duct of the range hood is caused, the oil smoke discharge effect is affected, and meanwhile, the heat exchange effect of the heat exchanger is also affected, so that the refrigerating performance of the refrigerating system is reduced.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a kitchen air conditioning system capable of smoothly discharging condensed water of a heat exchanger in a smoke exhaust channel, in view of the above-mentioned current state of the art.
The second technical problem to be solved by the present invention is to provide a control method of a kitchen air conditioning system, which is simple in control logic and is implemented by matching an air valve with a fan, in view of the above-mentioned current state of the art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: this kitchen air conditioning system, including air conditioning subassembly and oil absorption cigarette subassembly, the air conditioning subassembly includes compressor, first heat exchanger and second heat exchanger, be linked together through the refrigerant pipeline between compressor, first heat exchanger and the second heat exchanger install the cross valve on the refrigerant pipeline, oil absorption cigarette subassembly is including first fan and the discharge fume channel who locates first fan rear end, its characterized in that: the first heat exchanger is arranged in the smoke exhaust channel, an air valve is installed at the outlet of the smoke exhaust channel, and the first heat exchanger further comprises a controller which controls the opening and closing of the air valve by reading the rotating speed and gear data of the first fan.
In order to avoid excessive condensed water remaining in the smoke exhaust channel to influence the smoke exhaust effect, a condensed water collecting device and a spraying or atomizing device are installed in the smoke exhaust channel, the condensed water collecting device is used for collecting the condensed water generated by the first heat exchanger, and the spraying or atomizing device is used for spraying or atomizing the condensed water collected by the condensed water collecting device into the smoke exhaust channel.
In order to facilitate the smooth outflow of the condensed water generated by the first heat exchanger, the first heat exchanger is obliquely arranged relative to the vertical plane.
In order to avoid the oil smoke from polluting the first heat exchanger, an oil smoke purification device is arranged in the smoke exhaust channel and is arranged at the front end of the first heat exchanger.
Preferably, an inner machine is installed in the kitchen room, the second heat exchanger is installed in the inner machine, an air inlet and an air outlet are formed in the inner machine, the air inlet is communicated with the outside, and the air outlet is communicated with the inside of the kitchen room.
In order to fully utilize the position of the corner of the kitchen, the inner machine is arranged at the corner of the upper cabinet of the kitchen, and the compressor is integrated on the oil fume suction assembly or the inner machine.
In order to make the air passing through the second heat exchanger smoothly supplemented into the kitchen, a second fan is arranged at a position close to the air outlet in the inner machine, and the second fan is positioned between the second heat exchanger and the air outlet.
The condensed water collecting device can have various structures, and preferably comprises a water pan and a liquid guide pipe, wherein the water pan is arranged below the first heat exchanger, and the liquid guide pipe is connected between the water pan and the spraying or atomizing device.
Preferably, in any one of the above aspects, the motor used in the first fan is a dc motor.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the control method of the kitchen air conditioning system is characterized by comprising the following steps:
1) the system starts to operate;
2) the first fan operates according to a preset gear P1;
3) the controller judges whether the rotating speed Z1 corresponding to the first fan gear P1 is greater than the warning rotating speed Z2;
if Z1 is more than Z2, the air valve is closed, and then the step 4) is carried out;
if Z1 is less than or equal to Z2, returning to the step 3);
4) the first fan is operated according to a higher gear P2;
5) opening the air valve;
6) the first fan continues to operate according to the gear P1;
7) whether the first fan is turned off or not;
if yes, stopping the system;
if not, return to step 3).
Compared with the prior art, the invention has the advantages that: this kitchen air conditioning system locates the first heat exchanger of air conditioning component in the smoke evacuation passageway, utilize direct current motor under the unchangeable condition of gear, the resistance increases the principle that can lead to the fan rotational speed to increase, the controller can judge the jam condition of learning the comdenstion water on the first heat exchanger through the rotational speed size, and the controller control valve block is closed and can be improved the static pressure, the valve block is opened and can be improved the dynamic pressure rapidly, thereby blow off the comdenstion water on the first heat exchanger, thereby do benefit to the performance that promotes first heat exchanger and range hood's smoke exhaust effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
fig. 3 is a control logic diagram of a control method according to an 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 kitchen air conditioning system of the present embodiment includes an air conditioning assembly 1 and a range hood assembly 2, the air conditioning assembly 1 specifically includes a compressor 11, a first heat exchanger 12 and a second heat exchanger 13, the compressor 11, the first heat exchanger 12 and the second heat exchanger 13 are communicated with each other through a refrigerant pipeline 14, a four-way valve 15 and a throttle component 10 are installed on the refrigerant pipeline 14, switching of an air conditioning operation mode is performed by switching the four-way valve 15, that is, the kitchen air conditioning system can operate in a heating mode or a cooling mode, and an operation principle of the air conditioning assembly 1 is the same as that of an existing air conditioner, and will not be described herein.
In this embodiment, an inner unit 6 is installed at a corner of the upper cabinet 7 of the kitchen, the inner unit 6 has an air inlet 61 and an air outlet 62, the air inlet 61 is communicated with the outside, and the air outlet 62 is communicated with the inside of the kitchen. The second heat exchanger 13 is installed in the inner unit 6, and in addition, a second fan 63 is installed in the inner unit 6, and the second fan 63 is located between the second heat exchanger 13 and the air outlet 62, so that air flowing through the second heat exchanger 13 can be rapidly blown to the kitchen.
The range hood assembly 2 has a housing 20, a first fan 21 is installed in the housing 20, and a smoke exhaust passage 22 is provided in the housing 20 and at the rear end of the first fan 21. In this embodiment, the compressor 11 and the first heat exchanger 12 are integrated on the oil fume suction assembly 2, and the first heat exchanger 12 is disposed in the fume exhaust passage 22. In order to avoid the first heat exchanger 12 from being polluted by the soot, a soot cleaning device 5 is further installed in the smoke evacuation passage 22, and the soot cleaning device 5 is provided at the front end of the first heat exchanger 12. In general, the lampblack purification device 5 can adopt various front-end electrostatic purification devices disclosed in the prior art, and the specific structure will not be described herein.
In this embodiment, the first heat exchanger 12 is disposed to be inclined with respect to the vertical plane, the condensed water collecting device 3 and the spraying or atomizing device 4 are installed in the smoke exhaust channel 22, the condensed water collecting device 3 is used for collecting the condensed water generated by the first heat exchanger 12, and the spraying or atomizing device 4 is used for spraying or atomizing the condensed water collected by the condensed water collecting device 3 into the smoke exhaust channel 22. Specifically, the condensed water collecting device 3 comprises a water pan 31 and a liquid guide pipe 32, the water pan 31 is arranged below the first heat exchanger 12, and the liquid guide pipe 32 is connected between the water pan 31 and the spraying or atomizing device 4. .
When the system works in a refrigeration mode, the first heat exchanger 12 is used as a condenser, the second heat exchanger 13 is used as an evaporator, cold air is blown out from the air outlet 62 of the inner machine 6 to the interior of a kitchen, and meanwhile, the heat generated by the first heat exchanger 23 can be taken away by the oil smoke exhausted from the smoke exhaust channel 22, so that the heat exchange effect is improved, and the energy efficiency of the air conditioner is further improved.
When the system works in the heating mode, the first heat exchanger 12 is used as an evaporator, the second heat exchanger 13 is used as a condenser, warm air is blown out from the air outlet 62 of the inner machine 6 to the kitchen, meanwhile, condensed water can be generated on the first heat exchanger 12 positioned in the smoke exhaust channel 22 and flows into the water pan 31, then flows into the spraying or atomizing device 4 through the liquid guide pipe 32, and after the spraying or atomizing device 4 sprays or atomizes, the condensed water is discharged out of the smoke exhaust channel 22 along with oil smoke, so that the heat exchange effect of the first heat exchanger 12 and the smoke exhaust effect of the smoke exhaust channel 22 are prevented from being influenced by the condensed water.
In this embodiment, an air valve 8 is installed at the outlet of the smoke exhaust channel 22, and a controller (not shown) is provided on the smoke exhaust assembly, and the controller controls the air valve 8 to open and close by reading the rotation speed and gear data of the first fan 21.
As shown in fig. 3, the control method of the kitchen air conditioning system of the present embodiment includes the steps of:
1) the system starts to operate;
2) the first fan 21 operates according to a preset gear P1;
3) the controller judges whether the rotating speed Z1 corresponding to the first fan gear P1 is greater than the warning rotating speed Z2;
if Z1 is more than Z2, the air valve 8 is closed, and then the step 4) is carried out;
if Z1 is less than or equal to Z2, returning to the step 3);
4) the first fan is operated according to a higher gear P2;
5) the air valve 8 is opened;
6) the first fan 21 continues to operate according to the gear P1;
7) whether the first fan is turned off or not;
if yes, stopping the system;
if not, return to step 3).
The motor used by the first fan 21 of this embodiment is a dc motor, and since the dc motor is running, under the condition that the gear is not changed, the resistance is increased to increase the fan speed. Therefore, in the P1 gear, the corresponding rotation speed of the first heat exchanger 12 when there is no condensed water is Z1, and if the P1 gear is not changed and the condensed water is collected on the first heat exchanger 12 too much, the warning rotation speed Z2 is reached. In the case of the guard rotation speed Z2, the first fan 21 must be operated at the higher gear P2 in order to more smoothly blow out the condensed water out of the smoke evacuation path 22. In normal operation, the air valve 8 is in a closed state, when the air valve 8 is closed, the air valve 8 is used for increasing static pressure, and when the air valve 8 is closed, the air valve 8 is suddenly opened for rapidly increasing dynamic pressure, so that condensed water on the first heat exchanger 12 is blown out.
Claims (10)
1. The utility model provides a kitchen air conditioning system, includes air conditioning component (1) and inhales oil smoke subassembly (2), air conditioning component (1) is including compressor (11), first heat exchanger (12) and second heat exchanger (13), be linked together through refrigerant pipeline (14) between compressor (11), first heat exchanger (12) and the second heat exchanger (13) install cross valve (15) on refrigerant pipeline (14), inhale oil smoke subassembly (2) including first fan (21) and locate smoke exhaust passage (22) of first fan rear end, its characterized in that: the first heat exchanger (12) is arranged in the smoke exhaust channel (22), an air valve (8) is installed at the outlet of the smoke exhaust channel, and the first heat exchanger further comprises a controller which controls the air valve (8) to be opened and closed by reading the rotating speed and gear data of the first fan (21).
2. The galley air conditioning system according to claim 1, wherein: and a condensed water collecting device (3) and a spraying or atomizing device (4) are installed in the smoke exhaust channel (22), the condensed water collecting device (3) is used for collecting the condensed water generated by the first heat exchanger (12), and the spraying or atomizing device (4) is used for spraying or atomizing the condensed water collected by the condensed water collecting device (3) into the smoke exhaust channel (22).
3. The galley air conditioning system according to claim 1, wherein: the first heat exchanger (12) is arranged obliquely with respect to a vertical plane.
4. The galley air conditioning system according to claim 1, wherein: an oil fume purification device (5) is arranged in the smoke exhaust channel (22), and the oil fume purification device (5) is arranged at the front end of the first heat exchanger (12).
5. The galley air conditioning system according to claim 1, wherein: an inner machine (6) is installed in a kitchen room, the second heat exchanger (13) is installed in the inner machine (6), an air inlet (61) and an air outlet (62) are formed in the inner machine (6), the air inlet (61) is communicated with the outside, and the air outlet (62) is communicated with the inside of the kitchen room.
6. The galley air conditioning system according to claim 5, wherein: the inner machine (6) is arranged at the corner of the upper cabinet (7) of the kitchen, and the compressor (11) is integrated on the oil fume suction assembly (2) or the inner machine (6).
7. The galley air conditioning system according to claim 5, wherein: a second fan (63) is installed at a position, close to the air outlet (62), in the inner machine (6), and the second fan (63) is located between the second heat exchanger (13) and the air outlet (62).
8. The galley air conditioning system according to claim 1, wherein: the condensed water collecting device (3) comprises a water collecting tray (31) and a liquid guide pipe (32), the water collecting tray (31) is arranged below the first heat exchanger (12), and the liquid guide pipe (32) is connected between the water collecting tray (31) and the spraying or atomizing device (4).
9. The galley air conditioning system according to claim 1, wherein: the motor adopted by the first fan (21) is a direct current motor.
10. A control method of the galley air conditioning system according to any one of claims 1 to 9, characterized by comprising the steps of:
1) the system starts to operate;
2) the first fan operates according to a preset gear P1;
3) the controller judges whether the rotating speed Z1 corresponding to the first fan gear P1 is greater than the warning rotating speed Z2;
if Z1 is more than Z2, the air valve is closed, and then the step 4) is carried out;
if Z1 is less than or equal to Z2, returning to the step 3);
4) the first fan is operated according to a higher gear P2;
5) opening the air valve;
6) the first fan continues to operate according to the gear P1;
7) whether the first fan is turned off or not;
if yes, stopping the system;
if not, return to step 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220036.XA CN112902297A (en) | 2019-12-03 | 2019-12-03 | Kitchen air conditioning system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220036.XA CN112902297A (en) | 2019-12-03 | 2019-12-03 | Kitchen air conditioning system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112902297A true CN112902297A (en) | 2021-06-04 |
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ID=76104698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220036.XA Pending CN112902297A (en) | 2019-12-03 | 2019-12-03 | Kitchen air conditioning system and control method thereof |
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| Country | Link |
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| CN (1) | CN112902297A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864923A (en) * | 2021-10-11 | 2021-12-31 | 广东美的制冷设备有限公司 | Control method of air conditioning apparatus, controller, and computer-readable storage medium |
| WO2023024529A1 (en) * | 2021-08-26 | 2023-03-02 | 青岛海尔空调器有限总公司 | Catering area air conditioning system and control method |
-
2019
- 2019-12-03 CN CN201911220036.XA patent/CN112902297A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024529A1 (en) * | 2021-08-26 | 2023-03-02 | 青岛海尔空调器有限总公司 | Catering area air conditioning system and control method |
| CN113864923A (en) * | 2021-10-11 | 2021-12-31 | 广东美的制冷设备有限公司 | Control method of air conditioning apparatus, controller, and computer-readable storage medium |
| CN113864923B (en) * | 2021-10-11 | 2022-11-04 | 广东美的制冷设备有限公司 | Control method of air conditioning apparatus, controller, and computer-readable storage medium |
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