EP2623875A2 - Unité extérieure et climatiseur comportant celle-ci - Google Patents

Unité extérieure et climatiseur comportant celle-ci Download PDF

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Publication number
EP2623875A2
EP2623875A2 EP13153327.5A EP13153327A EP2623875A2 EP 2623875 A2 EP2623875 A2 EP 2623875A2 EP 13153327 A EP13153327 A EP 13153327A EP 2623875 A2 EP2623875 A2 EP 2623875A2
Authority
EP
European Patent Office
Prior art keywords
service valve
outdoor unit
guide
refrigerant
compressor
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.)
Withdrawn
Application number
EP13153327.5A
Other languages
German (de)
English (en)
Inventor
Jung Ho Kim
Joon Ho Yoon
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP2623875A2 publication Critical patent/EP2623875A2/fr
Withdrawn legal-status Critical Current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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/10—Pressure
    • F24F2140/12—Heat-exchange fluid pressure

Definitions

  • the invention relates to an outdoor unit and an air conditioner having the same, in particular to an outdoor unit which allows adjustment of position of a service valve that regulates a refrigerant introduced into and discharged from the outdoor unit.
  • An air conditioner which is an apparatus that evaporates a refrigerant at an ambient temperature to absorb heat from ambient air and discharge the absorbed heat to a different system, includes an evaporator to evaporate the refrigerant to cool the ambient air, a compressor to compress the gaseous refrigerant coming out of the evaporator at high temperature and high pressure, a condenser to condense the compressed gaseous refrigerant coming from the compressor into liquid phase at the ambient temperature, and a capillary tube to decompress the high-pressure liquid refrigerant coming from the condenser.
  • the air conditioner may be divided into a split type and an integrated type.
  • the split type air conditioner includes an indoor unit installed indoors to draw in indoor air to cause heat exchange between the indoor air and a refrigerant and discharge the air indoors after heat exchange, and an outdoor unit to cause heat exchange between the refrigerant from the indoor unit and external air to return the refrigerant to an original state thereof, in which heat exchange is allowed to occur between the refrigerant and the indoor air, and supply the refrigerant to the indoor air.
  • a service valve to regulate the refrigerant introduced into and discharged from the outdoor unit is coupled at the outer surface of the body of the outdoor unit.
  • the position at which the service valve is installed is limited to a certain place on the outer surface of the body of the outdoor unit, and thus when the outdoor unit is installed in a narrow space or a high-rise building, it may often be difficult to connect pipes to the service valve depending on the position of the outdoor unit.
  • an outdoor unit which has a structure that may allow change in the position of a service valve to adapt the outdoor unit to various environments in which the outdoor unit is installed and an air conditioner having the same.
  • an outdoor unit of an air conditioner includes a body, a compressor disposed inside the body to compress a refrigerant, an outdoor heat exchanger to cause heat exchange between the refrigerant compressed by the compressor and outdoor air, at least one service valve to regulate the refrigerant flowing into the outdoor heat exchanger, and a guide portion provided at the body to guide a positional shift of the at least one service valve.
  • the outdoor unit may further include a capillary tube to lower pressure of the refrigerant which has undergone heat exchange in the heat exchanger, wherein the at least one service valve includes at least one first service valve to regulate the refrigerant flowing into the compressor, and at least one second service valve to regulate the refrigerant flowing out of the capillary tube.
  • a pipe connects an inlet of the compressor and one of the at least one service valves may be a flexible pipe of a soft material to allow a positional shift of the one of the at least one service valves along the guide portion.
  • the body may include frames, and the at least one service valve is provided at at least one of the frames, wherein at least one position fixing portion to fix a position of the at least one service valve that has shifted along the guide portion may be provided at the at least one frame at which the at least one service valve is positioned.
  • the guide portion may include at least one first guide slot to penetrate at least one of the frames and guide shift of the at least one service valve, and at least one second guide slot to penetrate the at least one of the frames and guide, to the position fixing portion, the at least one service valve which has been shifted along the first guide slot.
  • the at least one service valve may include a flange to be coupled with the position fixing portion.
  • an air conditioner having an indoor unit and an outdoor unit includes a body, a compressor disposed inside the body to compress a refrigerant, at least one service valve positioned at an outer surface of the body to regulate the refrigerant flowing into the compressor, a guide portion provided at the body to guide a positional shift of the service valve, and a flexible pipe of a soft material to connect the compressor and the service valve to allow the positional shift of the at least one service valve along the guide portion.
  • the body may include frames, and the at least one service valve may provided at at least one of the frames, and the guide portion may include at least one guide slot to penetrate the at least one of the frames to allow the flexible pipe connecting the compressor disposed inside the body and the at least one service valve positioned at the outer surface of the body to be moved.
  • the guide slot may have a larger width than a diameter of the flexible pipe.
  • At least one position fixing portion to fix a position of the at least one service valve that has shifted along the guide portion may be provided at the at least one of the frames.
  • the position fixing portion may include a plurality of fixing holes disposed on opposite sides of the guide slot to place the guide slot between the fixing holes.
  • the at least one service valve may include a flange to be coupled with the position fixing portion, wherein the flange includes a plurality of fastening holes corresponding to the fixing holes.
  • an outdoor unit of an air conditioner including a body; a compressor disposed inside the body to compress a refrigerant; an outdoor heat exchanger to cause heat exchange between the compressed refrigerant and outdoor air; a plurality of service valves to regulate the refrigerant flowing into the outdoor heat exchanger; a guide portion provided at the body to guide a positional shift of the service valves; and a plurality of flexible pipes of a soft material to connect the compressor and the service valves to allow the positional shift of the service valves along the guide portion.
  • the outdoor unit may include a capillary tube to lower pressure of the refrigerant which has undergone heat exchange in the heat exchanger, wherein the plurality of service valves include a first service valve to regulate the refrigerant flowing into the compressor, and a second service valve to regulate the refrigerant flowing out of the capillary tube.
  • FIG. 1 is a view illustrating an air conditioner having an outdoor unit according to an embodiment
  • FIG. 2 is a view illustrating a cooling and heating cycle of the air conditioner of FIG. 1 .
  • an air conditioner 1 includes an indoor unit 10 including a heat exchanger 12 and a fan 14 and installed indoors, and an outdoor unit 20 including a compressor 22, a heat exchanger 24 and a capillary tube 26 and installed outdoors.
  • a refrigerant that has undergone heat exchange in the heat exchanger 12 of the indoor unit 10 flows into the outdoor unit 20 through a first refrigerant pipe 30a.
  • the refrigerant introduced into the outdoor unit 20 is compressed at high temperature and high pressure by the compressor 22, and undergoes heat exchange with the outdoor air in the heat exchanger 24. After undergoing the heat exchange, the refrigerant passes through the capillary tube 26 and flows back into the indoor unit 10 via a second refrigerant pipe 30b.
  • At least one first service valve 41 to regulate the refrigerant flowing into the outdoor unit 20 through the first refrigerant pipe 30a or supplement the refrigerant
  • a second service valve 42 to regulate the refrigerant flowing into the indoor unit 10 through the second refrigerant pipe 30b.
  • FIG. 3 is a view illustrating the outdoor unit according to an embodiment
  • FIG. 4 is an enlarged view illustrating portion A of FIG. 3
  • FIG. 5 is a view illustrating a service valve mounted on the outdoor unit of FIG. 3
  • FIG. 6 is a view illustrating the service valve mounted at a different position than the mounting position of the service valve shown in FIG. 5 .
  • the outdoor unit 20 includes a body 21 including frames 21a, 21b, 21c, 21d and 21e, a compressor 22 disposed inside the body 21 to compress a refrigerant, a heat exchanger 24 to cause heat exchange between the refrigerant compressed by the compressor 22 and outdoor air, a capillary tube 26 to lower pressure of the refrigerant which has undergone heat exchange in the heat exchanger 24, a fan 28 to increase heat transfer efficiency of the heat exchanger 24, a first service valve 41 and second service valve 42 to regulate the refrigerant flowing from the outdoor unit 20, and connection pipes 50 to connect the compressor 22, heat exchanger 24, capillary tube 26, first service valve 41 and second service valve 42.
  • connection pipes 50 include a first connection pipe 51 to connect the first service valve 41 and a four-way valve 29, a second connection pipe 52 to connect the four-way valve 29 and the inlet of the compressor 22, a third connection pipe 53 to connect the outlet of the compressor 22 and the four-way valve 29, a fourth connection pipe 54 to connect the four-way valve 29 and the inlet of the heat exchanger 24, a fifth connection pipe 55 to connect the outlet of the heat exchanger 24 and the inlet of the capillary tube 26, and a sixth connection pipe 56 to connect the outlet of the capillary tube 26 and the second service valve 42.
  • a part or all of the first connection pipe 51 to connect the four-way valve 29 and the first service valve 41 may include a first flexible pipe 57 of a soft material to allow the first service valve 41 to freely move along a guide portion 60, which will be described later, and a part or all of the sixth connection pipe 56 to connect the outlet of the capillary tube 26 and the second service valve 42 may include a second flexible pipe 58 of a soft material to allow the second service valve 42 to freely move along the guide portion 60, which will be described later.
  • the first service valve 41 and second service valve 42 may be arranged at at least one of the frames 21a, 21b, 21c, 21d and 21e configuring the body 21.
  • FIGS. 3 to 6 illustrate that the first service valve 41 and second service valve 42 are disposed at the side frame 21e, but embodiments are not limited thereto.
  • the first service valve 41 and second service valve 42 may be disposed at the top frame 21a, bottom frame 21b, front frame 21c or rear frame 21d.
  • description will be given of the case in which the first service valve 41 and second service valve 42 are disposed at the side frame 21e.
  • the guide portion 60 to guide shift of the first service valve 41 and second service valve 42 is provided at the side frame 21e at which the first service valve 41 and second service valve 42 are mounted.
  • the guide portion 60 includes at least one guide slot 62 formed through the side frame 21e to allow the first flexible pipe 57 and second flexible pipe 58 to be shifted while the first flexible pipe 57 connects the four-way valve 29 positioned within the body 21 and the first service valve 41 disposed at the side frame 21e at the outside of the body 21, and the second flexible pipe 58 connects the capillary tube 26 positioned within the body 21 and the second service valve 42 disposed at the side frame 21e at the outside of the body 21.
  • the guide slot 62 has a larger width than the diameters of the first flexible pipe 57 and second flexible pipe 58 so that the first flexible pipe 57 and the second flexible pipe 58 may be smoothly shifted.
  • the guide slot 62 may be formed to extend in the vertical direction of the side frame 21e, or to extend in the lateral direction of the side frame 21e, depending on the place and position not shown where the outdoor unit 20 is installed.
  • the guide slot 62 may be formed at the top frame 21a, bottom frame 21b, front frame 21c or rear frame 21d, rather than at the side frame 21e.
  • the guide slot 62 may be formed at at least two of the frames 21a, 21b, 21c, 21d and 21e, for example, at the side frame 21e and the front frame 21c connected with the side frame 21e, or at the side frame 21e and the top frame 21a connected with the side frame 21e.
  • At the side frame 21e is at least one position fixing portion 70 to fix the position of the first service valve 41 and second service valve 42 which have been shifted along the guide slot 62, along with the guide slot 62.
  • the position fixing portion 70 includes a plurality of fixing holes 72a and 72b arranged on both sides of the guide slot 62 to place the guide slot 62 between the fixing holes 72a and 72b.
  • the fixing holes 72a and 72b are formed at positions corresponding to those of a plurality of fastening holes 43a and 44a formed on a first flange 43 and second flange 44 of the first service valve 41 and second service valve 42, which will be described later, so as to fix the first service valve 41 and second service valve 42 to the position fixing portion 70 through fastening members such as bolts and nuts.
  • the first service valve 41 includes a valve body 45, a first connector 45a provided at one end of the valve body 45 to be connected with the first refrigerant pipe 30a, a second connector 45b provided at the other end of the valve body 45 to be connected with the first flexible pipe 57, and the first flange 43 radially extending from the valve body 45.
  • the first flange 43 is formed to have a larger width than the guide slot 62 to allow the first service valve 41 to be caught in the guide slot 62, and includes a plurality of fastening holes 43a formed at positions corresponding to those of the fixing holes 72a so as to fix the first service valve 41 to the position fixing portion 70.
  • the second service valve 42 includes a valve body 46, a third connector 46a provided at one end of the valve body 46 to be connected with the second refrigerant pipe 30b, a fourth connector 46b provided at the other end of the valve body 46 to be connected with the second flexible pipe 58, and the second flange 44 radially extending from the valve body 46.
  • the second flange 44 is formed to have a larger width than the guide slot 62 to allow the second service valve 42 to be caught in the guide slot 62, and includes a plurality of fastening holes 44a formed at positions corresponding to those of the fixing holes 72b so as to fix the second service valve 42 to the position fixing portion 70.
  • the operator first shifts the first service valve 41 and second service valve 42 positioned at the lower portion of the side frame 21e to the upper portion of the side frame 21e through the guide slot 62, as shown in FIGS. 5 and 6 .
  • the first service valve 41 and second service valve 42 are positioned such that the fastening holes 43a and 44a formed in the first flange 43 and second flange 44 are positioned to correspond to the fixing holes 72a and 72b, and securely fastened to the position fixing portion 70 using fixing members such as bolts and nuts.
  • work with the refrigerant pipes 30a and 30b for the first service valve 41 and second service valve 42 is performed.
  • the positions of the first service valve 41 and second service valve 42 may be changed according to a place and position at which the outdoor unit 20 is installed, and therefore work with the refrigerant pipes 30a and 30b may be facilitated, and an accident such as falling during working on the refrigerant pipes 30a and 30b may be prevented.
  • FIG. 7 is a view illustrating an outdoor unit according to an embodiment
  • FIG. 8 is a view illustrating a service valve mounted on the outdoor unit of FIG. 7
  • FIG. 9 is a view illustrating the service valve mounted at a different position than the mounting position of the service valve shown in FIG. 8 .
  • the details of the outdoor unit 120 other than a guide portion 160 are the same as those of the outdoor unit 20 in previous embodiments, and therefore description thereof will be omitted.
  • the guide portion 160 includes at least one first guide slot 162 formed through the side frame 21e, and at least one second guide slot 164 extending from the first guide slot 162 in a direction different from the direction in which the first guide slot 162 extends to guide, to the position fixing portion 70, the first service valve 41 and second service valve 42 shifted along the first guide slot 162, in order to allow the first flexible pipe 57 and second flexible pipe 58 to be moved while the first flexible pipe 57 connects the four-way valve 29 positioned within the body 21 and the first service valve 41 disposed at the side frame 21e at the outside of the body 21, and the second flexible pipe 58 connects the capillary tube 26 positioned within the body 21 and the second service valve 42 disposed at the side frame 21e at the outside of the body 21.
  • the fixing holes 72a and 72b are disposed around the second guide slot 164 to be arranged on both sides of the second guide slot 164.
  • the operator When the body 21 is installed as shown in FIG. 7 , the operator first shifts the first service valve 41 and second service valve 42 positioned at the lower portion of the side frame 21e to the upper portion of the side frame 21e through the first guide slot 162, and then shifts the same to the position fixing portion 70 through the second guide slot 164, as shown in FIGS. 8 and 9 . While the first service valve 41 and second service valve 42 are seated in the second guide slot 164, the first service valve 41 and second service valve 42 are positioned such that the fastening holes 43a and 44a formed in the first flange 43 and second flange 44 are positioned to correspond to the fixing holes 72a and 72b, and securely fastened to the position fixing portion 70 using the fixing members such as bolts and nuts. When the first service valve 41 and second service valve 42 are securely fixed in place, work with the refrigerant pipes 30a and 30b for the first service valve 41 and second service valve 42may be easily performed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)
EP13153327.5A 2012-02-03 2013-01-30 Unité extérieure et climatiseur comportant celle-ci Withdrawn EP2623875A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120011424A KR20130090250A (ko) 2012-02-03 2012-02-03 실외기 및 이를 포함하는 공기조화기

Publications (1)

Publication Number Publication Date
EP2623875A2 true EP2623875A2 (fr) 2013-08-07

Family

ID=47740800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13153327.5A Withdrawn EP2623875A2 (fr) 2012-02-03 2013-01-30 Unité extérieure et climatiseur comportant celle-ci

Country Status (4)

Country Link
US (1) US20130199237A1 (fr)
EP (1) EP2623875A2 (fr)
KR (1) KR20130090250A (fr)
CN (1) CN103245012A (fr)

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Publication number Priority date Publication date Assignee Title
KR101633780B1 (ko) * 2014-03-18 2016-06-27 엘지전자 주식회사 공기조화기의 실외기 및 그 제조방법
US10780900B2 (en) * 2015-11-25 2020-09-22 Mitsubishi Electric Corporation Compressor module, air conditioning device for vehicle and compressor module manufacturing method
CN207179851U (zh) * 2015-12-18 2018-04-03 三菱电机株式会社 制冷循环装置的室外机
US11435093B2 (en) * 2017-12-26 2022-09-06 Gree Electric Appliances (Wuhan) Co., Ltd. Air-conditioning outdoor device and air conditioner unit
CN114829845B (zh) * 2019-12-04 2024-04-30 伊莱克斯电器股份公司 具有流体箱的空调器

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US4095863A (en) * 1977-03-30 1978-06-20 Robertshaw Controls Company Manifold means and system for electrical and/or pneumatic control devices and method
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Publication number Publication date
CN103245012A (zh) 2013-08-14
KR20130090250A (ko) 2013-08-13
US20130199237A1 (en) 2013-08-08

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