CN113932286A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN113932286A
CN113932286A CN202010604015.4A CN202010604015A CN113932286A CN 113932286 A CN113932286 A CN 113932286A CN 202010604015 A CN202010604015 A CN 202010604015A CN 113932286 A CN113932286 A CN 113932286A
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CN
China
Prior art keywords
air
indoor
duct
outlet
door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010604015.4A
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Chinese (zh)
Inventor
何延林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Shandong Air Conditioning Co Ltd
Original Assignee
Hisense Shandong Air Conditioning Co Ltd
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Application filed by Hisense Shandong Air Conditioning Co Ltd filed Critical Hisense Shandong Air Conditioning Co Ltd
Priority to CN202010604015.4A priority Critical patent/CN113932286A/en
Publication of CN113932286A publication Critical patent/CN113932286A/en
Pending legal-status Critical Current

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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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • 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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • 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
    • F24F13/02—Ducting arrangements
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • 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
    • F24F2110/64—Airborne particle content
    • 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
    • F24F2110/70—Carbon dioxide
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • 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
    • 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]
    • Y02B30/90—Passive houses; Double facade technology

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application discloses air conditioner relates to air conditioner treatment facility technical field for solve the problem that the indoor pipeline of current passive room air conditioner arranges complicacy. The air conditioner comprises a shell, wherein four air ports are formed in the shell, the four air ports are an indoor air return port, an indoor air outlet, an outdoor air outlet and a fresh air port, a first air channel is communicated with the indoor air return port and the outdoor air outlet, a second air channel is respectively communicated with the indoor air outlet and the fresh air port, and a third air channel is communicated with the indoor air return port and the indoor air outlet; the total heat exchanger is arranged at the intersection of the first air duct and the second air duct, wherein the first heat exchange air duct is positioned in the first air duct, and the second heat exchange air duct is positioned in the second air duct; the outdoor air exhaust fan is arranged at the outdoor air outlet; the heat exchanger is arranged in the third air duct; the first air door is arranged in the second air duct and is used for controlling the communication or disconnection of the fresh air inlet and the indoor air outlet; the second air door is installed in the third air duct and is used for controlling the indoor air return opening to be communicated with or disconnected from the indoor air outlet.

Description

Air conditioner
Technical Field
The application relates to the technical field of air conditioner treatment equipment, in particular to an air conditioner.
Background
The passive room air conditioner is originated from Germany and is developed for low-energy-consumption passive room buildings.
At present, domestic passive house buildings are just started, air conditioners capable of being applied to passive houses are also just started, most of the air conditioners adopted by the passive houses on the market realize basic functions after assembling common total heat exchangers and air conditioners, and the indoor pipeline arrangement of the air conditioner is complex.
Disclosure of Invention
The embodiment of the application provides an air conditioner for solve the problem that the indoor pipeline of the existing passive room air conditioner is arranged complicatedly.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:
the embodiment of the application provides an air conditioner, which comprises a shell, a total heat exchanger, an outdoor exhaust fan, an indoor air outlet fan, a heat exchanger, a first air door and a second air door, wherein four air ports are formed in the shell, the four air ports are an indoor air return port, an indoor air outlet, an outdoor air outlet and a fresh air port, a first air channel, a second air channel and a third air channel are formed in the shell, the first air channel and the second air channel are arranged in an intersecting manner, the first air channel is respectively communicated with the indoor air return port and the outdoor air outlet, the second air channel is respectively communicated with the indoor air outlet and the fresh air port, and the third air channel is respectively communicated with the indoor air return port and the indoor air outlet; the total heat exchanger is arranged at the intersection of the first air duct and the second air duct, the total heat exchanger comprises a first heat exchange air duct and a second heat exchange air duct which exchange heat with each other, the first heat exchange air duct is positioned in the first air duct, and the second heat exchange air duct is positioned in the second air duct; the outdoor air exhaust fan is arranged at the outdoor air outlet; the indoor air outlet fan is arranged at the indoor air outlet; the heat exchanger is arranged in the third air duct; the first air door is arranged in the second air duct and is used for controlling the communication or disconnection between the fresh air inlet and the indoor air outlet; and the second air door is installed in the third air duct and is used for controlling the indoor air return opening to be communicated with or disconnected from the indoor air outlet.
Compared with the prior art, the shell in the embodiment of the application is only provided with four air ports, namely an indoor return air port, an indoor air outlet, an outdoor air outlet and a fresh air port, the number of the air ports is small, and the connection of 4 air ports and an indoor pipeline is simple, so that the arrangement of the indoor pipeline is simple, and the pipeline installation is convenient; and a first air duct, a second air duct and a third air duct are formed in the shell, a first air door is arranged in the second air duct, a second air door is arranged in the third air duct, and the air conditioner is controlled to be in different operation modes such as a full heat mode, an internal circulation mode and a mixed air mode by controlling the opening or closing of the first air door and the second air door, so that the functions of refrigerating and heating the air conditioner and introducing fresh air are realized.
In some possible embodiments of the present application, the air conditioner further comprises an indoor return air filtering device, wherein the indoor return air filtering device is installed at the indoor return air opening.
In some possible embodiments of the present application, the fresh air filtering device further comprises a fresh air filtering device, and the fresh air filtering device is installed at the fresh air port.
In some possible embodiments of the present application, the air conditioner further comprises a carbon dioxide detection device for detecting the content of carbon dioxide in the indoor air.
In some possible embodiments of this application, still include the controller, the controller with first air door the second air door the carbon dioxide detection device all connects, the controller is used for the basis the aperture of first air door, the aperture of adjustment second air door, so that windage r that the aperture of second air door correspondsbSatisfies the following conditions:
Figure BDA0002560253000000021
wherein Q is1For the air quantity, Q, of the indoor air-out fan2The air quantity at the new air port raIs the current wind resistance of the first damper, r1Is the wind resistance value, r, of the fresh air filtering device2Is the wind resistance value, r, of the filter element in the total heat exchanger3Is the wind resistance value, r, of the heat exchanger4The wind resistance value of the fresh air filtering device. When the air conditioner is in the air mixing mode, if the opening degree of the first air door is reduced, the opening degree of the second air door is correspondingly increased; if the opening degree of the second air door is increased, the opening degree of the second air door is correspondingly reduced, so that when the air conditioner air duct resistance ratio is a fixed value, the fresh air introduction quantity is adjusted according to the indoor air quality under the condition of not adjusting the air quantity of the whole air conditioner, and the problems of noise increase and whole power increase caused by the increase of the air quantity of the whole air conditioner are solved.
In some possible embodiments of the present application, the air conditioner further comprises a gas suspended particulate matter detection device electrically connected to the controller and configured to detect a concentration of suspended particulate matter in indoor air, and the controller is further configured to control the opening or closing of the first damper according to a detection value of the gas suspended particulate matter detection device.
In some possible embodiments of the present application, the second air duct intersects the third air duct at an end near the indoor air outlet, the heat exchanger is located at the intersection, and the heat exchanger extends from the third air duct into the second air duct.
In some possible embodiments of the present application, the air conditioner further includes a dust removing device installed in the casing and located at the indoor air outlet.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present application;
FIG. 2 is a schematic view of an air conditioner in a full hot mode according to an embodiment of the present invention;
FIG. 3 is a schematic view of an air conditioner in an internal circulation mode according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an air conditioner in a wind mixing mode according to an embodiment of the present invention.
Reference numerals:
1-a shell; 11-a first side panel; 12-a second side panel; 13-a third side panel; 14-a fourth side panel; 101-indoor air return; 102-indoor air outlet; 103-outdoor air outlet; 104-fresh air port; 111-a first separator; 112-a second separator; 113-a third separator; 114-a fourth separator; 115-a fifth separator; 2-total heat exchanger; 3-outdoor exhaust fan; 4-indoor air outlet fan; 5-a heat exchanger; 6-indoor return air filtering device; 7-fresh air filtering device.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description of the present application, "and/or" is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1, the air conditioner of the embodiment of the present application includes a casing 1, the casing 1 is provided with four air ports, the four air ports are an indoor air return port 101, an indoor air outlet 102, an outdoor air outlet 103 and a fresh air port 104, a first air duct, a second air duct and a third air duct are formed in the casing 1, the first air duct and the second air duct are arranged in an intersecting manner, the first air duct is respectively communicated with the indoor air return port 101 and the outdoor air outlet 103, the second air duct is respectively communicated with the indoor air outlet 102 and the fresh air port 104, and the third air duct is respectively communicated with the indoor air return port 101 and the indoor air outlet 102.
With reference to fig. 1, a total heat exchanger 2, an outdoor exhaust fan 3, an indoor exhaust fan 4, a heat exchanger 5, a first air door and a second air door are installed in the casing 1, wherein the total heat exchanger 2 is located at the intersection of the first air duct and the second air duct, the total heat exchanger 2 includes a first heat exchange air duct and a second heat exchange air duct which exchange heat with each other, the first heat exchange air duct is located in the first air duct, and the second heat exchange air duct is located in the second air duct; the outdoor exhaust fan 3 is arranged at the outdoor air outlet 103; the indoor air outlet fan 4 is arranged at the indoor air outlet 102; the heat exchanger 5 is arranged in the third air duct; the first air door is arranged in the second air duct and is used for controlling the communication or disconnection between the fresh air inlet 104 and the indoor air outlet 102; the second air door is installed in the second air duct, and the second air door is used for controlling the indoor air return opening 101 to be communicated with or disconnected from the indoor air outlet 102.
When the first air door is opened and the second air door is closed, outdoor fresh air can enter the room through the second air duct, indoor return air can be led out to the outside through the first air duct, and the air conditioner is in a full-heat mode, as shown in fig. 2.
When the first air door is closed and the second air door is opened, the indoor return air is conducted out of the indoor air outlet 102 after exchanging heat with the heat exchanger 5 through the third air duct, and the air conditioner is in an internal circulation mode, as shown in fig. 3.
When the first air door and the second air door are both opened, outdoor fresh air can enter the room through the second air duct, meanwhile, part of indoor return air is led out from the indoor air outlet 102 after exchanging heat with the heat exchanger 5 through the third air duct, the other part of indoor return air can be led out to the outdoor through the first air duct, and the air conditioner is in a mixed air mode, as shown in fig. 4.
In the embodiment of the application, the shell 1 is only provided with four air ports, namely an indoor return air port 101, an indoor air outlet 102, an outdoor air outlet 103 and a fresh air port 104, the number of the air ports is small, and the connection between 4 air ports and an indoor pipeline is simple, so that the arrangement of the indoor pipeline is simple, and the pipeline installation is convenient; a first air duct, a second air duct and a third air duct are formed in the shell 1, a first air door is arranged in the second air duct, a second air door is arranged in the third air duct, and the air conditioner is controlled to be in different operation modes such as a full heat mode, an internal circulation mode and a mixed air mode by controlling the opening or closing of the first air door and the second air door, so that the functions of refrigerating and heating the air conditioner and introducing fresh air are realized; the air conditioner can be applied to passive room buildings.
The second air duct and the third air duct intersect at one end close to the indoor air outlet 102, the heat exchanger 5 is located at the intersection, and the heat exchanger 5 extends into the second air duct from the third air duct. When outdoor fresh air is introduced, the outdoor fresh air can exchange heat through the heat exchanger 5, so that the temperature difference between the outdoor fresh air and indoor air is small, and the comfort level is good.
The cross section of the casing 1 in fig. 1 is rectangular, and the casing 1 includes a first side plate 11, a second side plate 12, a third side plate 13 and a fourth side plate 14 which are connected in sequence, that is, the first side plate 11 and the third side plate 13 are arranged oppositely, and the second side plate 12 and the fourth side plate 14 are arranged oppositely. The indoor return air inlet 101 and the indoor air outlet 102 are located on the first side plate 11, and the outdoor air outlet 103 and the fresh air inlet 104 are located on the third side plate 13.
The casing 1 can form the first air duct, the second air duct and the third air duct by arranging a first partition plate 111, a second partition plate 112, a third partition plate 113, a fourth partition plate 114 and a fifth partition plate 115, the first partition plate 111 is vertically arranged on the first side plate 11, the second partition plate 112 is vertically arranged on the second side plate 12, the third partition plate 113 is vertically arranged on the third side plate 13, the fourth partition plate 114 is vertically arranged on the fourth side plate 14, the lengths of the first partition plate 111, the second partition plate 112, the third partition plate 113 and the fourth partition plate 114 are all smaller than the length of the side plate of the casing 1, the total heat exchanger 2 is arranged in the middle of the casing 1 and is connected with the first partition plate 111, the second partition plate 112, the third partition plate 113 and the fourth partition plate 114, 4 heat exchange air ports of the total heat exchanger 2 are respectively located between two adjacent partition plates, that is to say, the 4 air ports of the total heat exchanger 2 comprise a first heat exchange air inlet, a second air inlet, a third air outlet, a third air inlet, a third air outlet and a fourth air outlet, a fourth, The first heat exchange air inlet is located between the first partition plate 111 and the fourth partition plate 114, the first heat exchange air outlet is located between the second partition plate 112 and the third partition plate 113, the second air exchange air inlet is located between the third partition plate 113 and the fourth partition plate 114, the second heat exchange air outlet is located between the first partition plate 111 and the second partition plate 112, and the fifth partition plate 115 shields the second heat exchange air outlet in the total heat exchanger 2 and is respectively connected with the first partition plate 111 and the second partition plate 112. The first damper is installed on the fifth partition 115, and the second damper is installed on the first partition 111. The area indicated by the arrow a in fig. 2 is the first air duct, the area indicated by the arrow B in fig. 2 is the second air duct, and the area indicated by the arrow C in fig. 3 is the third air duct.
In order to avoid the solid impurities of the indoor air from entering the casing 1, the air conditioner in the embodiment of the application further comprises an indoor return air filtering device 6, the indoor return air filtering device 6 is installed at the indoor return air inlet 101, before the indoor air enters the casing 1 through the indoor return air inlet 101, the indoor air needs to be filtered through the indoor return air filtering device 6 to remove the impurities in the air, and then the indoor air enters the casing 1, so that the impurities in the indoor air cannot enter the casing 1.
Similarly, the air conditioner in the embodiment of the present application further includes a fresh air filtering device 7, the fresh air filtering device 7 is installed at the fresh air inlet 104, and when outdoor fresh air enters the casing 1 through the fresh air inlet 104, impurities in the air need to be filtered through the fresh air filtering device 7 first, and then the outdoor fresh air enters the casing 1, so that the impurities in the outdoor fresh air cannot enter the casing 1.
Because the content of carbon dioxide in the indoor air can be increased due to the long-term use of the air conditioner, the air conditioner in the embodiment of the application further comprises a carbon dioxide detection device, the carbon dioxide detection device is used for detecting the content of carbon dioxide in the indoor air, and the carbon dioxide detection device can be installed at the indoor air return opening 101 or the indoor air outlet 102; according to the detection value of the carbon dioxide detection device, the air conditioner can be controlled in time to lead fresh air into the room, and the air conditioner is controlled to enter a full-heat mode or a mixed air mode. Specifically, the carbon dioxide detection device is a carbon dioxide sensor.
Still include the controller in this application embodiment, this controller all is connected with first air door, second fan and carbon dioxide detection device, and the controller can be according to carbon dioxide detection device's measuring value, and the first air door of control is opened or is closed. If the detection value of the carbon dioxide detection device is higher than the preset carbon dioxide value, the first air door is opened.
If before opening first air door, the second air door is in the open mode, opens the back with first air door, and the total amount of wind of whole air conditioner can instantaneous reduction, and this application embodiment is according to the aperture of current first air door, confirms the windage r of first air dooraAdjusting the opening degree of the second air door to enable the air resistance r corresponding to the opening degree of the second air doorbSatisfies the following formula:
Figure BDA0002560253000000071
wherein, Q is1The air quantity Q of the indoor air outlet fan 42The air quantity r at the fresh air inlet 104aIs the current wind resistance of the first damper, r1Is the wind resistance value r of the fresh air filtering device 72Is the wind resistance value, r, of the filter element in the total heat exchanger 23Is the wind resistance value, r, of the heat exchanger 54The wind resistance value of the fresh air filtering device 7.
Above Q2CO detectable by carbon dioxide detection device2Value of which is calculated in relation to the CO in the outdoor air2The difference value of the value (usually a fixed value, which can be stored in the storage device of the air conditioner) is obtained by looking up the table according to the difference value1To obtain Q2The value of (a).
The above formula is according to the air volume balance formula of the air conditioner:
(2)Q3＝Q42＝Q2；
(3)Q1＝Q2+Q41＝Q4＝Q41+Q42；
and obtaining the following formula according to the inverse ratio of the air volume and the wind resistance:
(4)Q41/Q42＝(r4+r3+rb)/(r2+r4+ra)；
(5)Q41/Q2＝(r4+r3+rb)/(r1+r2+r3+ra)；
wherein Q is3The air quantity Q of the outdoor exhaust fan 34The air quantity Q at the indoor return air inlet 10141Is the internal circulation component, Q, at the indoor return air inlet 10142Is the exhaust component at the indoor return air inlet 101.
According to the formulas (2) to (5), the formula (1) is obtained through calculation, namely when the air conditioner is in a mixed air mode, if the opening degree of the first air door is reduced, the opening degree of the second air door is correspondingly increased; if the opening degree of the second air door is increased, the opening degree of the second air door is correspondingly reduced, so that when the air conditioner air duct resistance ratio is a fixed value, the fresh air introduction quantity is adjusted according to the indoor air quality under the condition of not adjusting the air quantity of the whole air conditioner, and the problems of noise increase and whole power increase caused by the increase of the air quantity of the whole air conditioner are solved.
In some embodiments, the air conditioner further comprises a gas suspended particulate matter detection device, the gas suspended particulate matter detection device is used for detecting the concentration of suspended particulate matter in indoor air, the controller is connected with the gas suspended particulate matter detection device, and the controller is further used for controlling the opening or closing of the first damper according to the detection value of the gas suspended particulate matter detection device. If when the outdoor air quality is relatively poor, etc. the detection value of the gas suspended particulate matter detection device is higher than the preset suspended particulate matter value, the first air door is controlled to be closed, and the outdoor fresh air is prevented from entering the room. The gas suspended particulate detection device can be a suspended particle detector.
The air conditioner of this application embodiment still includes dust collector, and this dust collector installs in casing 1, and is located indoor air outlet 102 department, when there is the smoking or produces a large amount of oil smoke indoor, the steerable first air door of controller is closed, the second air door is opened, and the air conditioner gets into the inner loop mode for indoor air flows through the dust collector of indoor air outlet 102 department fast, and the suspended particles thing in the air can be got rid of to this dust collector. The dust removal device may be an electrostatic dust removal apparatus.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (8)

1. An air conditioner, comprising:
the air conditioner comprises a shell, wherein four air ports are formed in the shell, the four air ports comprise an indoor air return port, an indoor air outlet, an outdoor air outlet and a fresh air port, a first air channel, a second air channel and a third air channel are formed in the shell, the first air channel and the second air channel are arranged in an intersecting mode, the first air channel is respectively communicated with the indoor air return port and the outdoor air outlet, the second air channel is respectively communicated with the indoor air outlet and the fresh air port, and the third air channel is respectively communicated with the indoor air return port and the indoor air outlet;
the total heat exchanger is arranged at the intersection of the first air duct and the second air duct and comprises a first heat exchange air duct and a second heat exchange air duct which exchange heat with each other, the first heat exchange air duct is positioned in the first air duct, and the second heat exchange air duct is positioned in the second air duct;
the outdoor air exhaust fan is arranged at the outdoor air outlet;
the indoor air outlet fan is arranged at the indoor air outlet;
a heat exchanger mounted within the third air duct;
the first air door is arranged in the second air channel and is used for controlling the communication or disconnection between the fresh air inlet and the indoor air outlet;
and the second air door is arranged in the third air channel and is used for controlling the indoor air return inlet to be communicated with or disconnected from the indoor air outlet.
2. The air conditioner according to claim 1, further comprising:
and the indoor return air filtering device is arranged at the indoor return air opening.
3. The air conditioner according to claim 2, further comprising:
fresh air filter equipment, fresh air filter equipment installs fresh air mouth department.
4. The air conditioner according to claim 3, further comprising:
a carbon dioxide detection device for detecting the carbon dioxide content in the indoor air.
5. The air conditioner according to claim 4, further comprising:
a controller, the controller with first air door the second air door the carbon dioxide detection device all is connected, the controller is used for according to the aperture of first air door, the aperture of adjustment second air door, so that the windage r that the aperture of second air door correspondsbSatisfies the following conditions:
Figure FDA0002560252990000011
wherein Q is1For the air quantity, Q, of the indoor air-out fan2The air quantity at the new air port raIs the current wind resistance of the first damper, r1Is the wind resistance value, r, of the fresh air filtering device2Is the wind resistance value, r, of the filter element in the total heat exchanger3Is the wind resistance value, r, of the heat exchanger4The wind resistance value of the fresh air filtering device.
6. The air conditioner according to claim 5, further comprising:
the air suspension particle detection device is electrically connected with the controller and is used for detecting the concentration of suspension particles in indoor air, and the controller is also used for controlling the opening or closing of the first air door according to the detection value of the air suspension particle detection device.
7. The air conditioner of claim 1, wherein the second air duct intersects the third air duct at an end proximate the indoor air outlet, the heat exchanger being located at the intersection, the heat exchanger extending from the third air duct into the second air duct.
8. The air conditioner according to claim 1, further comprising:
and the dust removal device is arranged in the shell and is positioned at the indoor air outlet.
CN202010604015.4A 2020-06-29 2020-06-29 Air conditioner Pending CN113932286A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811907A (en) * 2022-03-14 2022-07-29 青岛海信日立空调系统有限公司 Air conditioner control method and air conditioner
CN114838420A (en) * 2022-05-07 2022-08-02 青岛海信日立空调系统有限公司 Fresh air humidifying device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811907A (en) * 2022-03-14 2022-07-29 青岛海信日立空调系统有限公司 Air conditioner control method and air conditioner
CN114811907B (en) * 2022-03-14 2024-01-26 青岛海信日立空调系统有限公司 Air conditioner control method and air conditioner
CN114838420A (en) * 2022-05-07 2022-08-02 青岛海信日立空调系统有限公司 Fresh air humidifying device
CN114838420B (en) * 2022-05-07 2023-09-29 青岛海信日立空调系统有限公司 Fresh air humidifying device

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