CN113983674A - Air conditioner condensation heat recycling method and system - Google Patents

Air conditioner condensation heat recycling method and system Download PDF

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Publication number
CN113983674A
CN113983674A CN202111446195.9A CN202111446195A CN113983674A CN 113983674 A CN113983674 A CN 113983674A CN 202111446195 A CN202111446195 A CN 202111446195A CN 113983674 A CN113983674 A CN 113983674A
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China
Prior art keywords
external case
heat
fan
sealing plate
air conditioner
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Granted
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CN202111446195.9A
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Chinese (zh)
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CN113983674B (en
Inventor
丁怡天
丁戈
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Xuzhou Gedeweitian Intelligent Technology Co ltd
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Xuzhou Gedeweitian Intelligent Technology Co ltd
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Publication of CN113983674A publication Critical patent/CN113983674A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention relates to the technical field of refrigeration equipment, in particular to a method and a system for recycling condensation heat of an air conditioner; including external quick-witted case, the cover that induced drafts, heat recovery pipeline and closing mechanism, closing mechanism includes the support, the closing plate, actuating mechanism and master controller, when winter, master controller control actuating mechanism starts, utilize the connecting plate to drive the closing plate and slide on the slide rail, after the closing plate runs through the groove, and slide to the inside back of external quick-witted case, thereby utilize the closing plate to seal the radiating groove, after the closing plate seals the radiating groove, the master controller control heat recovery pipeline is unblocked, thereby carry to the indoor that needs the heating through the cover that induced drafts with the hot-blast that blows off in the external quick-witted case, thereby realize heat recovery and recycle, reduce the waste of the energy.

Description

Air conditioner condensation heat recycling method and system
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a method and a system for recycling condensation heat of an air conditioner.
Background
Air conditioning systems are generally: the heat absorption and heat release process is utilized to achieve the purpose of adjusting the ambient temperature.
In some markets, can have the cold-stored region, air conditioning system will continue to carry out refrigeration work to the article in the cold-stored region, still can heat indoor through another air conditioning system when winter simultaneously, but current air conditioning system is at cryogenic in-process, and the condenser will be discharged the condensation heat through external air conditioner organism with hot-blast mode, and this part heat direct loss will cause the energy waste.
Disclosure of Invention
The invention aims to provide a method and a system for recycling condensation heat of an air conditioner, which solve the problems that in the refrigeration process of the existing air conditioning system in the prior art, the condensation heat can be discharged by a condenser in a hot air mode through an external air conditioner body, and the energy can be wasted due to the direct loss of part of the heat.
In order to achieve the purpose, the invention provides an air conditioner condensation heat recycling system which comprises an external case, an air suction cover, a heat recycling pipeline and a sealing mechanism, wherein one end of the external case is provided with a heat dissipation groove, a recycling opening is also formed above the external case, the air suction cover is detachably connected with the external case and is covered above the recycling opening, and the output end of the air suction cover is provided with the heat recycling pipeline;
the sealing mechanism comprises a support, a sealing plate, a driving mechanism and a main controller, the support is detachably connected with the external case and is located on one side of the external case, a sliding rail is arranged on the support, the sealing plate is connected with the sliding rail in a sliding mode, one side, close to the support, of the external case is further provided with a through groove, the sealing plate is matched with the through groove, one end, far away from the support, of the external case is provided with the main controller and the driving mechanism, the sealing plate is close to one end of the driving mechanism and is provided with a connecting plate, the output end of the driving mechanism corresponds to the connecting plate, and the heat recovery pipeline and the driving mechanism are electrically connected with the main controller.
When the external machine case is used in winter, the main controller controls the driving mechanism to be started, the connecting plate is utilized to drive the sealing plate to slide on the sliding rail, the sealing plate penetrates through the through groove and slides to the inside of the external machine case, so that the heat dissipation groove is sealed by the sealing plate, and when the sealing plate seals the heat dissipation groove, the main controller controls the heat recovery pipeline to be smooth, hot air blown out of the external machine case is conveyed to a room needing heating through the air suction cover, so that heat recovery and reutilization are realized, and energy waste is reduced.
The driving mechanism comprises a servo motor, a screw rod and a screw rod sleeve, the servo motor is detachably connected with the support and is located at one end, far away from the external case, of the support, the output end of the servo motor is provided with the screw rod, the screw rod sleeve is arranged on the screw rod, and the screw rod sleeve is detachably connected with the connecting plate.
And starting the servo motor to drive the screw rod to rotate, and driving the sealing plate to slide on the sliding rail due to the fact that the screw rod sleeve is detachably connected with the connecting plate.
The support comprises a mounting plate and two connecting rods, the two sides of the mounting plate are provided with the connecting rods and the connecting rods, each connecting rod is far away from one end of the mounting plate and is provided with a fixing plate, the fixing plates are detachably connected with the external case, the connecting rods are provided with the sliding rails, and the mounting plate is provided with the servo motor and the master controller.
The fixing plate is installed on the outer side of the external case by screws, so that the support is installed, the connecting rods are fixedly connected with the installation plate, the fixing plate is fixedly connected with the connecting rods, the fixing plate is manufactured by adopting an integrated forming technology during manufacturing, and the structure is firmer.
Wherein, the heat recovery pipeline includes recovery tube, automatically controlled valve, fan and hot-blast conveyer pipe, the one end of fan is provided with the recovery tube, the other end of fan is provided with hot-blast conveyer pipe, the recovery tube is kept away from the one end of fan with the output flange joint of cover that induced drafts, be provided with on the recovery tube automatically controlled valve, automatically controlled valve with the fan all with master controller electric connection.
When the sealing plate seals the radiating groove, the main controller controls the electric control valve to be opened, the fan is started, the air suction cover is used for absorbing hot air in the external case, and the hot air conveying pipe is used for conveying the hot air to the indoor space needing heating, so that heat recovery and reutilization are realized.
The heat-insulating coating is arranged outside the air suction cover, the recovery pipe and the hot air delivery pipe, the fan cover is arranged outside the external case, and the fan cover corresponds to the heat dissipation groove.
The fan cover is arranged outside the heat dissipation groove, so that dust is prevented from entering the external case through the heat dissipation groove.
The invention also provides a recycling method adopting the air conditioner condensation heat recycling system, which comprises the following steps:
when the external case is used in winter, the main controller controls the driving mechanism to start, the connecting plate is used for driving the sealing plate to slide on the sliding rail, and the sealing plate penetrates through the through groove and then slides to the inside of the external case so as to seal the heat radiating groove;
when the sealing plate seals the radiating groove, the main controller controls the electric control valve to be opened, the fan is started, the air suction cover is used for absorbing hot air in the external case, and the hot air conveying pipe is used for conveying the hot air to the indoor space needing heating, so that heat recovery and reutilization are realized.
When the external machine case is used in winter, the main controller controls the driving mechanism to be started, the connecting plate drives the sealing plate to slide on the sliding rail, the sealing plate penetrates through the through groove and slides to the inside of the external machine case, the heat dissipation groove is sealed by the sealing plate and then is sealed by the sealing plate, the main controller controls the electric control valve to be opened, the fan is started, the air suction cover is used for absorbing hot air in the external machine case, the hot air conveying pipe is used for conveying the hot air to the indoor space needing to be heated, and therefore heat recovery and reutilization are achieved, and waste of energy is reduced.
The invention relates to a method and a system for recycling condensation heat of an air conditioner, which comprises an external case, an air suction cover, a heat recovery pipeline and a sealing mechanism, wherein the sealing mechanism comprises a support, a sealing plate, a driving mechanism and a main controller, the main controller controls the driving mechanism to be started in winter, the connecting plate is used for driving the sealing plate to slide on a sliding rail, the sealing plate penetrates through a through groove and slides to the inside of the external case, so that the sealing plate is used for sealing the heat dissipation groove, and the main controller controls the heat recovery pipeline to be unblocked after the sealing plate seals the heat dissipation groove, so that hot air blown out from the external case is conveyed to a room needing to be heated through the air suction cover, thereby realizing heat recovery and recycling and reducing energy waste.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, 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 condensation heat recycling system provided by the invention.
Fig. 2 is a front view of an air conditioner condensation heat recovery and reuse system provided by the invention.
Fig. 3 is a sectional view of the inner structure of fig. 2 taken along line a-a according to the present invention.
Fig. 4 is a sectional view of the inner structure of fig. 2 taken along line B-B according to the present invention.
Fig. 5 is a cross-sectional view of the internal structure of fig. 2 taken along line C-C according to the present invention.
Fig. 6 is a schematic view of a part of the structure of an air conditioner condensation heat recycling system provided by the invention.
FIG. 7 is a flow chart illustrating the steps of a recycling method of an air conditioner condensation heat recycling system according to the present invention.
1-external case, 11-radiating groove, 12-recovery port, 13-through groove, 14-fan cover, 15-sliding groove, 16-placing plate, 17-placing hole, 2-air suction cover, 3-heat recovery pipeline, 31-recovery pipe, 32-electric control valve, 33-fan, 34-hot air delivery pipe, 4-sealing mechanism, 41-bracket, 411-mounting plate, 412-connecting rod, 413-fixing plate, 414-protective shell, 415-sleeve, 416-opening, 42-sealing plate, 421-connecting plate, 43-driving mechanism, 431-servo motor, 432-screw rod, 433-screw rod sleeve, 44-main controller and 45-sliding rail.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the invention provides an air conditioner condensation heat recycling system, which includes an external case 1, an air suction hood 2, 31 paths of heat recovery pipes 3 and a sealing mechanism 4, wherein one end of the external case 1 is provided with a heat sink 11, a recovery opening 12 is further arranged above the external case 1, the air suction hood 2 is detachably connected with the external case 1 and is covered above the recovery opening 12, and the 31 paths of heat recovery pipes 3 are arranged at the output end of the air suction hood 2;
the sealing mechanism 4 comprises a support 41, a sealing plate 42, a driving mechanism 43 and a main controller 44, the support 41 is detachably connected with the external case 1 and is located on one side of the external case 1, a sliding rail 45 is arranged on the support 41, the sealing plate 42 is slidably connected with the sliding rail 45, a through groove 13 is further formed in one side, close to the support 41, of the external case 1, the sealing plate 42 is matched with the through groove 13, the main controller 44 and the driving mechanism 43 are arranged at one end, far away from the external case 1, of the support 41, a connecting plate 421 is arranged at one end, close to the driving mechanism 43, of the sealing plate 42, the output end of the driving mechanism 43 corresponds to the connecting plate 421, and the heat recovery pipe 31 and the driving mechanism 43 are electrically connected with the main controller 44.
In this embodiment, in winter, the main controller 44 controls the driving mechanism 43 to start, the connecting plate 421 is used to drive the sealing plate 42 to slide on the sliding rail 45, the sealing plate 42 penetrates through the through groove 13 and slides to the inside of the external case 1, so that the sealing plate 42 is used to seal the heat dissipation groove 11, and after the sealing plate 42 seals the heat dissipation groove 11, the main controller 44 controls the heat recovery pipe 31 to be smooth 3, so that the hot air blown out from the external case 1 is conveyed to the indoor to be heated through the air suction cover 2, thereby realizing heat recovery and recycling and reducing energy waste.
Further, the driving mechanism 43 includes a servo motor 431, a lead screw 432 and a lead screw sleeve 433, the servo motor 431 is detachably connected to the support 41 and is located at one end of the support 41 far away from the external case 1, the output end of the servo motor 431 is provided with the lead screw 432, the lead screw 432 is provided with the lead screw sleeve 433, and the lead screw sleeve 433 is detachably connected to the connecting plate 421.
In this embodiment, the servo motor 431 is activated to drive the screw rod 432 to rotate, and the screw rod sleeve 433 is detachably connected to the connecting plate 421, so that the sealing plate 42 is driven to slide on the slide rail 45.
Further, the support 41 includes mounting panel 411 and two connecting rods 412, the both sides of mounting panel 411 all are provided with connecting rod 412, every connecting rod 412 is kept away from the one end of mounting panel 411 all is provided with fixed plate 413, fixed plate 413 with external machine case 1 is dismantled and is connected, two all be provided with on the connecting rod 412 slide rail 45, be provided with on the mounting panel 411 servo motor 431 with master controller 44.
In this embodiment, the fixing plate 413 is installed at the outer side of the external case 1 by using screws, so as to complete the installation of the bracket 41, the two connecting rods 412 are both fixedly connected with the installation plate 411, and the fixing plate 413 is fixedly connected with the connecting rods 412, and is manufactured by adopting an integral forming technology during manufacturing, so that the structure is firmer.
Further, 31 way 3 of heat recovery pipe includes recovery pipe 31, electric control valve 32, fan 33 and hot-blast conveyer pipe 34, the one end of fan 33 is provided with recovery pipe 31, the other end of fan 33 is provided with hot-blast conveyer pipe 34, recovery pipe 31 is kept away from the one end of fan 33 with the output flange joint of cover 2 that induced drafts, be provided with on the recovery pipe 31 electric control valve 32, electric control valve 32 with fan 33 all with master controller 44 electric connection, induced draft cover 2 recovery pipe 31 with the outside of hot-blast conveyer pipe 34 all is provided with the heat preservation coating, the outside of external machine case 1 still is provided with fan cover 14, fan cover 14 with radiating groove 11 is corresponding.
In this embodiment, after the sealing plate 42 seals the heat dissipation groove 11, the main controller 44 controls the electric control valve 32 to open, start the fan 33, utilize the cover 2 that induced drafts to absorb hot air in the external case 1, and utilize the hot air delivery pipe 34 will be hot-blast to carry to the indoor that needs the heating to realize heat recovery and recycle the cover 2 that induced drafts the recovery tube 31 with the outside of hot air delivery pipe 34 sets up the thermal insulation coating, can reduce hot-blast heat loss in transportation process the outside of heat dissipation groove 11 sets up the fan cover 14 avoids the dust to pass through the heat dissipation groove 11 enters into the inside of the external case 1.
Further, a sliding groove 15 is further formed in the external case 1, the sliding groove 15 corresponds to the sliding rail 45, and the sealing plate 42 is matched with the sliding groove 15.
In the present embodiment, the sliding groove 15 is provided inside the external enclosure 1, so that when the sealing plate 42 slides inside the external enclosure 1, the sealing plate 42 slides on the sliding groove 15, and the sealing plate 42 is more stable when sliding inside the external enclosure 1.
Further, a placing plate 16 is further disposed on one side of the external case 1 close to the bracket 41, a placing hole 17 is disposed on the placing plate 16, and one end of the screw rod 432 far away from the servo motor 431 is located inside the placing hole 17.
In the present embodiment, the placing plate 16 is provided at one end of the screw rod 432 away from the servo motor 431, and the screw rod 432 is supported by the placing plate 16, so that the structure of the driving mechanism 43 is more stable.
Further, a protective shell 414 is further arranged on the mounting plate 411, the protective shell 414 covers the outside of the servo motor 431, a sleeve 415 is arranged between the protective shell 414 and the placing plate 16, the sleeve 415 is sleeved on the outside of the screw rod 432, an opening 416 is arranged on the sleeve 415, and the size of the opening 416 is consistent with that of the screw rod sleeve 433.
In this embodiment, the protective case 414 is disposed outside the servo motor 431, the sleeve 415 is disposed outside the lead screw 432, so that the influence of the external environment on the servo motor 431 and the lead screw 432 is avoided, the service life of the servo motor 431 and the lead screw 432 is reduced, and the opening 416 is disposed on the sleeve 415, so that the influence on the sliding of the lead screw sleeve 433 is avoided.
Referring to fig. 7, the present invention further provides a recycling method using the above-mentioned air conditioner condensation heat recycling system, comprising the following steps:
s1: in winter, the main controller 44 controls the driving mechanism 43 to start, the connecting plate 421 is used to drive the sealing plate 42 to slide on the sliding rail 45, and after the sealing plate 42 penetrates through the through groove 13, the sealing plate slides into the external case 1, so as to seal the heat dissipation groove 11;
s2: when the sealing plate 42 seals the heat dissipation groove 11, the main controller 44 controls the electric control valve 32 to open, the fan 33 is started, the air suction cover 2 is used for absorbing hot air in the external case 1, and the hot air conveying pipe 34 is used for conveying the hot air to the indoor space to be heated, so that heat recovery and reutilization are realized.
In this embodiment, in winter, the main controller 44 controls the driving mechanism 43 to start, the connecting plate 421 is used to drive the sealing plate 42 to slide on the sliding rail 45, and when the sealing plate 42 penetrates through the through groove 13 and slides to the inside of the external case 1, the sealing plate 42 is used to seal the heat dissipation groove 11, the main controller 44 controls the electric control valve 32 to open, the fan 33 is started, the air suction cover 2 is used to absorb hot air in the external case 1, and the hot air delivery pipe 34 is used to deliver the hot air to the indoor space to be heated, so that heat recovery and reutilization are achieved, and energy waste is reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A recycling system for condensation heat of an air conditioner is characterized in that,
the air conditioner condensation heat recycling system comprises an external case, an air suction cover, a heat recovery pipeline and a sealing mechanism, wherein a heat dissipation groove is formed in one end of the external case, a recovery opening is formed in the upper portion of the external case, the air suction cover is detachably connected with the external case and covers the recovery opening, and the heat recovery pipeline is arranged at the output end of the air suction cover;
the sealing mechanism comprises a support, a sealing plate, a driving mechanism and a main controller, the support is detachably connected with the external case and is located on one side of the external case, a sliding rail is arranged on the support, the sealing plate is connected with the sliding rail in a sliding mode, one side, close to the support, of the external case is further provided with a through groove, the sealing plate is matched with the through groove, one end, far away from the support, of the external case is provided with the main controller and the driving mechanism, the sealing plate is close to one end of the driving mechanism and is provided with a connecting plate, the output end of the driving mechanism corresponds to the connecting plate, and the heat recovery pipeline and the driving mechanism are electrically connected with the main controller.
2. The condensing heat recycling system of an air conditioner as claimed in claim 1,
the driving mechanism comprises a servo motor, a lead screw and a lead screw sleeve, the servo motor is detachably connected with the support and is positioned at one end, far away from the external case, of the support, the output end of the servo motor is provided with the lead screw, the lead screw is provided with the lead screw sleeve, and the lead screw sleeve is detachably connected with the connecting plate.
3. The condensing heat recycling system of an air conditioner according to claim 2,
the support includes mounting panel and two connecting rods, the both sides of mounting panel all are provided with the connecting rod, every the connecting rod is kept away from the one end of mounting panel all is provided with the fixed plate, the fixed plate with external quick-witted case is dismantled and is connected, two all be provided with on the connecting rod the slide rail, be provided with on the mounting panel servo motor with the master controller.
4. The condensing heat recycling system of an air conditioner as claimed in claim 1,
the heat recovery pipeline comprises a recovery pipe, an electric control valve, a fan and a hot air conveying pipe, wherein one end of the fan is provided with the recovery pipe, the other end of the fan is provided with the hot air conveying pipe, one end of the fan is far away from the recovery pipe, the output end of the air suction cover is connected with a flange, the electric control valve is arranged on the recovery pipe, and the electric control valve and the fan are both electrically connected with the main controller.
5. The method and system for recycling the condensation heat of air conditioner as claimed in claim 4,
the outside of the air suction cover, the recovery pipe and the hot air delivery pipe is provided with a heat preservation coating, the outside of the external case is also provided with a fan cover, and the fan cover corresponds to the heat dissipation groove.
6. A recycling method using the condensation heat recycling system of an air conditioner according to claim 5, characterized by comprising the steps of:
when the external case is used in winter, the main controller controls the driving mechanism to start, the connecting plate is used for driving the sealing plate to slide on the sliding rail, and the sealing plate penetrates through the through groove and then slides to the inside of the external case so as to seal the heat radiating groove;
when the sealing plate seals the radiating groove, the main controller controls the electric control valve to be opened, the fan is started, the air suction cover is used for absorbing hot air in the external case, and the hot air conveying pipe is used for conveying the hot air to the indoor space needing heating, so that heat recovery and reutilization are realized.
CN202111446195.9A 2021-11-30 2021-11-30 Air conditioner condensation heat recycling method and system Active CN113983674B (en)

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CN202111446195.9A CN113983674B (en) 2021-11-30 2021-11-30 Air conditioner condensation heat recycling method and system

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CN202111446195.9A CN113983674B (en) 2021-11-30 2021-11-30 Air conditioner condensation heat recycling method and system

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CN113983674A true CN113983674A (en) 2022-01-28
CN113983674B CN113983674B (en) 2023-04-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09105536A (en) * 1995-10-06 1997-04-22 Osaka Gas Co Ltd Cooling and heating system
WO2002055939A1 (en) * 2001-01-11 2002-07-18 Mg Innovations Corp. Air conditioning device
JP2007024424A (en) * 2005-07-19 2007-02-01 Denso Corp Exhaust heat recovery device and refrigerant filling method of exhaust heat recovery device
KR20170021045A (en) * 2015-08-17 2017-02-27 양석표 Ventilation duct for heat recovery
CN110925999A (en) * 2019-12-13 2020-03-27 深圳通利机电工程有限公司 Condensation heat recovery system and method of air conditioner
CN212618943U (en) * 2020-07-09 2021-02-26 深圳市美电制冷设备有限公司 Central air conditioning condensation heat recovery device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09105536A (en) * 1995-10-06 1997-04-22 Osaka Gas Co Ltd Cooling and heating system
WO2002055939A1 (en) * 2001-01-11 2002-07-18 Mg Innovations Corp. Air conditioning device
JP2007024424A (en) * 2005-07-19 2007-02-01 Denso Corp Exhaust heat recovery device and refrigerant filling method of exhaust heat recovery device
KR20170021045A (en) * 2015-08-17 2017-02-27 양석표 Ventilation duct for heat recovery
CN110925999A (en) * 2019-12-13 2020-03-27 深圳通利机电工程有限公司 Condensation heat recovery system and method of air conditioner
CN212618943U (en) * 2020-07-09 2021-02-26 深圳市美电制冷设备有限公司 Central air conditioning condensation heat recovery device

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