CN114396658A - Air conditioner adopting heat recovery device with bypass valve - Google Patents

Air conditioner adopting heat recovery device with bypass valve Download PDF

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Publication number
CN114396658A
CN114396658A CN202111630805.0A CN202111630805A CN114396658A CN 114396658 A CN114396658 A CN 114396658A CN 202111630805 A CN202111630805 A CN 202111630805A CN 114396658 A CN114396658 A CN 114396658A
Authority
CN
China
Prior art keywords
air
heat recovery
bypass
recovery device
fresh air
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
CN202111630805.0A
Other languages
Chinese (zh)
Inventor
姚永明
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.)
Jiangsu Zhiyuan High Tech Energy Technology Co ltd
Original Assignee
Jiangsu Zhiyuan High Tech Energy Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Zhiyuan High Tech Energy Technology Co ltd filed Critical Jiangsu Zhiyuan High Tech Energy Technology Co ltd
Priority to CN202111630805.0A priority Critical patent/CN114396658A/en
Publication of CN114396658A publication Critical patent/CN114396658A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/28—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
    • 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]
    • Y02B30/56—Heat recovery units

Abstract

The invention discloses an air conditioner with a bypass valve heat recovery device. It includes the casing, is formed with first return air passageway, second return air passageway and new trend passageway in the casing, and the rear side of second return air passageway and new trend passageway all communicates with mixed wind channel, is equipped with heat recovery unit between new trend passageway and the first return air passageway, and heat recovery unit includes body and bypass frame, and the middle part of bypass frame is equipped with a plurality of bypass wind channels, is equipped with the bypass valve on the bypass wind channel. The invention can realize the free distribution of fresh air quantity, and can realize the operation of all fresh air in the filtering season; the return air and the fresh air are separated, so that the length of a system pipeline is shortened, the temperature and the humidity are separately controlled, and the energy loss is reduced; the bypass valve is arranged on the heat recovery device, so that when the fresh air runs in a transition season, the resistance of the fresh air and the exhaust air is reduced, the energy loss is reduced, the outdoor unit is replaced, the floor area of the unit is reduced, the air inlet ratio of the fresh air and the return air can be freely distributed, the energy recovery is realized, the energy is saved, and the energy efficiency of the unit is improved.

Description

Air conditioner adopting heat recovery device with bypass valve
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner with a bypass valve heat recovery device.
Background
At present, in the field of heating and cooling ventilation, an industrial dehumidifier is widely applied. With the increasing requirements of national energy conservation and emission reduction, roof machines, combined dehumidifiers and exhaust condensers in the current market are arranged in outdoor machines and are separately arranged outdoors, so that a great deal of energy is wasted.
In the application field of air conditioning equipment, a traditional air conditioner is temperature and humidity bound, and for a comfortable air conditioner, on one hand, the temperature and the humidity cannot be ensured at the same time, and on the other hand, due to the principle defects of overcooling and reheating, the energy is greatly wasted; the dehumidification system is in a state of all flowers, and equipment manufacturers develop the dehumidification system from different angles and different ideas.
Disclosure of Invention
The invention aims to provide an air conditioner adopting a heat recovery device with a bypass valve, aiming at the defects in the prior art.
In order to achieve the above purpose, the invention provides an air conditioner using a heat recovery device with a bypass valve, comprising a shell, wherein a first return air channel, a second return air channel and a fresh air channel which are mutually isolated are formed by a plurality of clapboards in the shell at intervals, the rear sides of the second return air channel and the fresh air channel are both communicated with a mixed air channel, the heat recovery device is arranged between the fresh air channel and the first return air channel, the heat recovery device comprises a body and a bypass frame connected with the body, a plurality of bypass air channels are arranged in the middle of the bypass frame, the bypass air channels are provided with the bypass valve, the fresh air channel at the front side of the heat recovery device is respectively provided with the first fresh air valve, the fresh air channel at the rear side of the heat recovery device is sequentially provided with a first heat exchanger, an evaporator and a condenser, the first return air channels at the front side and the rear side of the heat recovery device are respectively provided with a first return air valve and an exhaust outlet, and a second air return valve is arranged on the second air return channel, a second heat exchanger is arranged in the second air return channel, an air supply outlet is arranged on the mixing channel, and an air feeder and an exhaust fan are respectively arranged in the mixing channel and the first air return channel.
Further, the body includes two, the bypass frame sets up between two bodies.
Furthermore, the bypass frame includes an exhaust bypass frame, the bypass valve includes an exhaust bypass valve arranged in the exhaust bypass frame, and the exhaust bypass valve is arranged facing the first return air channel.
Furthermore, a second fresh air port is arranged on a fresh air channel between the heat recovery device and the first heat exchanger.
Furthermore, the bypass frame still includes the fresh air bypass frame, the bypass valve is including setting up the fresh air bypass valve in the fresh air bypass frame, the fresh air bypass valve sets up towards the fresh air passageway.
Furthermore, the fresh air channel and the second return air channel at the rear side of the heat recovery device are arranged up and down or left and right.
Further, the casing includes heat recovery section and the air treatment air supply section of being connected with the heat recovery section, heat recovery unit and exhaust fan setting are in the heat recovery section, first air return valve, second air return valve, first fresh air valve, second fresh air valve and air exit all set up on the heat recovery section, first heat exchanger, evaporimeter, condenser, second heat exchanger and forced draught blower all set up in the air treatment air supply section, the supply-air outlet sets up on the air treatment air supply section.
Furthermore, a fresh air inlet frame and a return air inlet frame are respectively arranged between the first heat exchanger and the air treatment and air supply section and between the second heat exchanger and the air treatment and air supply section.
Furthermore, water receiving trays are arranged on the lower sides of the first heat exchanger, the evaporator, the condenser and the second heat exchanger.
Has the advantages that: the invention can realize the free distribution of fresh air quantity, and can realize the operation of all fresh air in the filtering season; refrigeration pieces such as a compressor and the like are arranged in the fresh air channel, and return air is separated from fresh air, so that the length of a system pipeline is shortened, temperature and humidity are separately controlled, and energy loss is reduced; the bypass valve is arranged on the heat recovery device, so that when the fresh air runs in a transition season, the resistance of the fresh air and the exhaust air is reduced, the energy loss is reduced, the outdoor unit is replaced, the floor area of the unit is reduced, the air inlet ratio of the fresh air and the return air can be freely distributed, the energy recovery is realized, the energy is saved, and the energy efficiency of the unit is improved.
Drawings
FIG. 1 is a schematic side view of an air conditioner employing a heat recovery device with a single bypass valve;
FIG. 2 is a schematic top view of another embodiment of an air conditioner with a heat recovery unit having a single bypass valve;
FIG. 3 is a schematic side view of an air conditioner employing a heat recovery device with two bypass valves;
FIG. 4 is a schematic top view of an air conditioner employing a heat recovery apparatus with two bypass valves according to another embodiment;
FIG. 5 is a schematic diagram of a heat recovery unit with a single bypass valve;
fig. 6 is a schematic diagram of a heat recovery device with two bypass valves.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 6, an embodiment of the present invention provides an air conditioner using a heat recovery device with a bypass valve, including a housing 1, and a first return air channel 100, a second return air channel 200, and a fresh air channel 300 separated from each other are formed at intervals by a plurality of partition plates in the housing 1. Wherein, the rear sides of the second return air channel 200 and the fresh air channel 300 are both communicated with the mixed air duct 400, and a heat recovery device 5 is arranged between the fresh air channel 300 and the first return air channel 100. The heat recovery device 2 comprises a body 201 and a plurality of bypass frames connected with the body 201, the body 201 is used for heat recovery, a bypass air channel is arranged in the middle of each bypass frame, and a bypass valve is arranged on each bypass air channel and used for controlling the opening and closing of each bypass air channel. The fresh air channel 300 at the front side of the heat recovery device 2 is respectively provided with a first fresh air valve 3, and the fresh air channel 300 at the rear side of the heat recovery device 2 is internally provided with a first heat exchanger 5, an evaporator 6 and a condenser 7 in sequence. A cold medium or a heat medium is introduced into the first heat exchanger 5 to pre-cool the fresh air. Evaporator 6 and condenser 7 are preferred to be connected with parts such as compressor 8, condenser and expansion valve respectively and form the system of directly expanding, and then realize functions such as air refrigeration dehumidification and air temperature control, and this part is prior art, and no longer gives details, and compressor 8 can directly set up in new trend passageway 300. The first air return channel 100 at the front side and the rear side of the heat recovery device 2 is respectively provided with a first air return valve 9 and an air outlet 10, the second air return channel 200 is provided with a second air return valve 12, the second air return channel 200 is internally provided with a second heat exchanger 13, and the second heat exchanger 13 can be introduced with cold media or hot media according to needs so as to cool or heat the return air. The mixing duct 400 is provided with an air supply outlet 14, and the mixing duct 400 and the first return duct 100 are respectively provided with an air supply fan 15 and an exhaust fan 16. The exhaust fan 16 is preferably provided inside the exhaust port 10, and the blower 15 is preferably provided inside the blower port 14.
Referring to fig. 5 and 6, the bodies 201 of the embodiment of the present invention are preferably two, and a bypass frame is disposed between the two bodies 201.
Referring to fig. 1, 2 and 5, the bypass frame of the embodiment of the present invention includes an exhaust bypass frame 202, and the bypass valve includes an exhaust bypass valve 203 disposed in the exhaust bypass frame 202, the exhaust bypass valve 203 being disposed facing the first return air passage 100. When the heat in the return air is not required to be recycled in spring and autumn, the exhaust bypass valve 203 is opened, so that the return air entering from the first return air valve 9 basically flows to the exhaust outlet 10 through the exhaust bypass valve 203 and is exhausted from the exhaust outlet 10, and the wind resistance in the first return air channel 100 is reduced. In order to reduce the wind resistance in the fresh air channel 300, it is preferable to provide a second fresh air port 4 on the fresh air channel 300 between the heat recovery device 2 and the first heat exchanger 5. This problem can also be solved by the following embodiments, which can be seen in particular in fig. 3, 4 and 6, wherein the bypass frame according to an embodiment of the present invention further comprises a fresh air bypass frame 204, the bypass valve comprising a fresh air bypass valve 205 arranged in the fresh air bypass frame 204, the fresh air bypass valve 205 being arranged facing the fresh air channel. When the heat in the return air is not required to be recycled in spring and autumn, the fresh air bypass valve 205 is opened, so that the fresh air entering the fresh air channel 300 from the first fresh air valve 3 basically flows through the fresh air bypass valve 205, and the resistance in the fresh air channel 300 is reduced. When the air conditioner is used in winter and summer, the exhaust bypass valve 203 and the fresh air bypass valve 205 are both in a closed state, air entering the first air return channel 100 and air entering the fresh air channel 300 respectively flow through the body 201, heat exchange is carried out on the body 201, and therefore the effect that return air is enabled to pre-cool fresh air in summer and is enabled to be pre-heated in winter is achieved.
The heat recovery device 2 according to the embodiment of the present invention is preferably disposed at an angle of 45 ° so that the first air return valve 9 and the air outlet 10 are disposed at a vertical side. Referring to fig. 1 and 3, the fresh air channel 300 at the rear side of the heat recovery device 2 may be disposed above and below the second return air channel 200. Referring to fig. 2 and 4, the fresh air channel 300 at the rear side of the heat recovery device 2 may be disposed left and right with the second return air channel 200. The first return damper 9 and the second return damper 12 are preferably arranged on the same side of the housing 1.
In order to improve the air supply quality and prevent the heat recovery device 2 from being polluted by the fresh air and the return air, a first return air filter 17 is arranged between the first return air valve 9 and the heat recovery device 2, a second return air filter 18 is arranged between the second return air valve 12 and the second heat exchanger 13, a first fresh air filter 19 is arranged between the first fresh air valve 3 and the heat recovery device 2, and in the embodiment in which the second fresh air valve 9 is arranged, a second fresh air filter 20 is arranged between the second fresh air valve 9 and the first heat exchanger 5. As a preferred embodiment, the first return air filter 17 and the first fresh air filter 19 are provided on the heat recovery device 2, and the second fresh air filter 20 is provided inside the second fresh air valve 4.
For the convenience of transportation, the casing 1 of the embodiment of the present invention is preferably a split structure, and includes a heat recovery section 111 and an air treatment blowing section 112 connected to the heat recovery section 111, the heat recovery unit 2 and the exhaust fan 16 are disposed in the heat recovery section 111, the first air return valve 9, the second air return valve 12, the first fresh air valve 3, the second fresh air valve 4 and the exhaust outlet 10 are disposed on the heat recovery section 111, the first heat exchanger 5, the evaporator 6, the condenser 7, the second heat exchanger 13 and the blower 15 are disposed in the air treatment blowing section 112, and the blowing outlet 14 is disposed on the air treatment blowing section 112. Preferably, a fresh air inlet frame 21 and a return air inlet frame 22 are respectively arranged between the first heat exchanger 5 and the second heat exchanger 13 and the air processing and air supplying section 112, and under the action of the fresh air inlet frame 21 and the return air inlet frame 22, fresh air can completely flow through the first heat exchanger 5, and return air can completely flow through the second heat exchanger 13. A drip tray 23 is also preferably provided on the underside of the first heat exchanger 5, the evaporator 6, the condenser 7 and the second heat exchanger 13 to collect and drain the condensate out of the unit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the invention.

Claims (9)

1. An air conditioner adopting a heat recovery device with a bypass valve is characterized by comprising a shell, wherein a first return air channel, a second return air channel and a fresh air channel which are mutually isolated are formed in the shell at intervals by a plurality of partition plates, the rear sides of the second return air channel and the fresh air channel are both communicated with a mixed air channel, the heat recovery device is arranged between the fresh air channel and the first return air channel, the heat recovery device comprises a body and a bypass frame connected with the body, a plurality of bypass air channels are arranged in the middle of the bypass frame, bypass valves are arranged on the bypass air channels, a first fresh air valve is respectively arranged on the fresh air channel on the front side of the heat recovery device, a first heat exchanger, an evaporator and a condenser are sequentially arranged in the fresh air channel on the rear side of the heat recovery device, and a first return air valve and an exhaust outlet are respectively arranged on the first return air channel on the front side and the rear side of the heat recovery device, and a second air return valve is arranged on the second air return channel, a second heat exchanger is arranged in the second air return channel, an air supply outlet is arranged on the mixing channel, and an air feeder and an exhaust fan are respectively arranged in the mixing channel and the first air return channel.
2. An air conditioner using a heat recovery device with a bypass valve according to claim 1, characterized in that the number of the bodies is two, and the bypass frame is provided between the two bodies.
3. An air conditioner using a heat recovery device with a bypass valve according to claim 1, characterized in that the bypass frame includes an exhaust bypass frame, and the bypass valve includes an exhaust bypass valve provided in the exhaust bypass frame, the exhaust bypass valve being provided facing the first return air passage.
4. An air conditioner using a heat recovery device with a bypass valve as defined in claim 3, wherein a second fresh air port is provided on the fresh air passage between the heat recovery device and the first heat exchanger.
5. An air conditioner employing a heat recovery device with a bypass valve as defined in claim 3, wherein the bypass frame further comprises a fresh air bypass frame, the bypass valve comprising a fresh air bypass valve disposed within the fresh air bypass frame, the fresh air bypass valve disposed facing the fresh air path.
6. An air conditioner using a heat recovery device with a bypass valve as defined in claim 1, wherein the fresh air path and the second return air path at the rear side of the heat recovery device are disposed vertically or horizontally.
7. An air conditioner using a heat recovery device with a bypass valve according to claim 1, characterized in that the housing includes a heat recovery section and an air handling blowing section connected to the heat recovery section, the heat recovery device and the exhaust fan are disposed in the heat recovery section, the first return valve, the second return valve, the first fresh air valve, the second fresh air valve and the exhaust outlet are disposed on the heat recovery section, the first heat exchanger, the evaporator, the condenser, the second heat exchanger and the blower are disposed in the air handling blowing section, and the blowing outlet is disposed on the air handling blowing section.
8. An air conditioner using a heat recovery device with a bypass valve as defined in claim 7, wherein a fresh air intake frame and a return air intake frame are respectively provided between the first heat exchanger and the second heat exchanger and the air handling blowing section.
9. An air conditioner using a heat recovery device with a bypass valve as defined in claim 1, wherein a water receiving tray is provided on the lower sides of the first heat exchanger, the evaporator, the condenser and the second heat exchanger.
CN202111630805.0A 2021-12-29 2021-12-29 Air conditioner adopting heat recovery device with bypass valve Pending CN114396658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111630805.0A CN114396658A (en) 2021-12-29 2021-12-29 Air conditioner adopting heat recovery device with bypass valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111630805.0A CN114396658A (en) 2021-12-29 2021-12-29 Air conditioner adopting heat recovery device with bypass valve

Publications (1)

Publication Number Publication Date
CN114396658A true CN114396658A (en) 2022-04-26

Family

ID=81228557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111630805.0A Pending CN114396658A (en) 2021-12-29 2021-12-29 Air conditioner adopting heat recovery device with bypass valve

Country Status (1)

Country Link
CN (1) CN114396658A (en)

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