WO2021157071A1 - Couvercle d'insonorisation pour compresseurs, unité extérieure pour climatiseurs, et climatiseur - Google Patents

Couvercle d'insonorisation pour compresseurs, unité extérieure pour climatiseurs, et climatiseur Download PDF

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Publication number
WO2021157071A1
WO2021157071A1 PCT/JP2020/004888 JP2020004888W WO2021157071A1 WO 2021157071 A1 WO2021157071 A1 WO 2021157071A1 JP 2020004888 W JP2020004888 W JP 2020004888W WO 2021157071 A1 WO2021157071 A1 WO 2021157071A1
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WO
WIPO (PCT)
Prior art keywords
soundproof cover
water
compressor
sound
outdoor unit
Prior art date
Application number
PCT/JP2020/004888
Other languages
English (en)
Japanese (ja)
Inventor
昌寛 岡島
元気 大塚
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2021575567A priority Critical patent/JP7292439B2/ja
Priority to PCT/JP2020/004888 priority patent/WO2021157071A1/fr
Publication of WO2021157071A1 publication Critical patent/WO2021157071A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • 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
    • F24F1/08—Compressors specially adapted for separate outdoor units
    • F24F1/12—Vibration or noise prevention thereof

Definitions

  • the present disclosure relates to a compressor soundproof cover, an air conditioner outdoor unit and an air conditioner, and in particular, a compressor soundproof cover covering a compressor provided with a thermista at the top for measuring the surface temperature of the compressor shell.
  • a compressor soundproof cover covering a compressor provided with a thermista at the top for measuring the surface temperature of the compressor shell.
  • the outdoor unit of a conventional air conditioner is equipped with a compressor on the bottom plate.
  • the refrigerant pipes need to be densely arranged in a narrow machine room, and therefore are arranged above the compressor. Water or the like condensed on such a refrigerant pipe may drip onto the compressor from above.
  • a soundproof cover is attached to the compressor for the purpose of soundproofing or sound insulation.
  • the soundproof cover is composed of a laminated body having a sound insulating material and a sound absorbing material which is a felt member bonded to both sides of the sound insulating material.
  • the present disclosure has been made in view of the above circumstances, and is capable of suppressing erroneous detection and failure of the temperature sensor due to water adhering to the temperature sensor that detects the surface temperature of the shell of the compressor. It is an object of the present invention to provide a soundproof cover, an outdoor unit of an air conditioner, and an air conditioner.
  • the soundproof cover of the compressor according to the present disclosure is the soundproof cover of the compressor that covers the compressor having a shell and the temperature sensor provided on the upper part of the shell and measuring the temperature of the surface of the shell.
  • the cover includes a water-shielding material formed of a water-shielding material, a sound-absorbing material provided on the upper surface of the water-shielding material and formed of the water-absorbing material, and a sound-insulating material provided on the upper surface of the sound-absorbing material.
  • the soundproof cover of the compressor covers the compressor and a temperature sensor that measures the temperature of the surface of the shell. Since the water-insulating material is provided on the lower surface of the sound-absorbing material, even if the sound-absorbing material is soaked with water, the water soaked into the sound-absorbing material does not reach the temperature sensor. Therefore, it is possible to suppress erroneous detection and failure of the temperature sensor due to water adhering to the temperature sensor.
  • FIG. 1 is a perspective view showing the appearance of the outdoor unit 1 of the air conditioner according to the embodiment.
  • the outdoor unit 1 includes a bottom plate 2, a front panel 3, a service panel 4, a front lower panel 5, a back upper panel 6, a back lower panel 7, a left side panel 8, and a top panel 9.
  • a bottom plate 2 As shown in FIG. 1, the outdoor unit 1 includes a bottom plate 2, a front panel 3, a service panel 4, a front lower panel 5, a back upper panel 6, a back lower panel 7, a left side panel 8, and a top panel 9.
  • the bottom plate 2 constitutes the bottom of the outdoor unit 1.
  • the front panel 3 is provided in front of the outdoor unit 1.
  • the service panel 4 covers a part of the front side and the right side surface of the outdoor unit 1.
  • the front lower panel 5 is arranged below the service panel 4.
  • the rear upper panel 6 covers the right side surface and the back surface of the outdoor unit 1.
  • the back lower panel 7 is arranged below the back upper panel 6.
  • the left side panel 8 covers the left side of the outdoor unit 1.
  • the top panel 9 covers the top surface of the outdoor unit 1.
  • FIG. 2 is a perspective view showing the inside of the outdoor unit 1 of the air conditioner according to the embodiment. As shown in FIG. 2, the inside of the outdoor unit 1 is divided into a blower room S1 and a machine room S2 by a partition plate 10.
  • the blower room S1 is provided with a motor support 13, a fan 14, and a heat exchanger 15.
  • the motor support 13, the fan 14, and the heat exchanger 15 are arranged on the bottom plate 2.
  • the motor support 13 fixes a fan motor (not shown).
  • the fan 14 is driven by a fan motor (not shown) and blows air toward the heat exchanger 15.
  • the heat exchanger 15 has an L-shape in a plan view, and exchanges heat between the atmosphere blown from the fan 14 and the refrigerant.
  • the machine room S2 has an electric component box (not shown), a compressor 11, and a refrigerant container 12.
  • the electrical product box contains electrical products that supply power to each component.
  • the compressor 11 compresses the refrigerant and sends it out to the refrigerant pipe.
  • the refrigerant container 12 stores the refrigerant.
  • the refrigerant flowing in from the indoor unit 52 equipped with an indoor heat exchanger (not shown) passes through the refrigerant container 12 and the suction pipe 16 and is compressed by the compressor 11.
  • the compressed refrigerant passes through a refrigerant pipe (not shown) and is sent to the heat exchanger 15 arranged in the blower chamber S1.
  • the air conditioner AA at least the cooling function and the heating function are realized by the refrigerant circulation between the outdoor unit 1 and the indoor unit 52.
  • FIG. 3 is a perspective view showing a soundproof cover 51 of the compressor 11 of the outdoor unit 1 of the air conditioner according to the embodiment. As shown in FIG. 3, the compressor 11 is covered with a soundproof cover 51.
  • the soundproof cover 51 has an upper surface soundproof cover 17 and a side surface soundproof cover 18.
  • the side surface soundproof cover 18 has a cylindrical shape and surrounds the periphery of the side surface of the compressor 11.
  • the upper surface soundproof cover 17 is provided on the upper part of the compressor 11 and the upper part of the side surface soundproof cover 18 and covers the upper surface of the compressor 11.
  • the upper surface soundproof cover 17 is formed with a through hole 21 for penetrating the suction pipe 16 of the compressor 11.
  • FIG. 4 is a cross-sectional view of the compressor 11 and the soundproof cover 51 of the outdoor unit 1 of the air conditioner according to the embodiment.
  • FIG. 5 is a perspective view of the upper surface soundproof cover 17 of the outdoor unit 1 of the air conditioner according to the embodiment when viewed from the lower surface.
  • FIG. 6 is a plan view of the upper surface soundproof cover 17 of the outdoor unit 1 of the air conditioner according to the embodiment when viewed from above.
  • the upper surface soundproof cover 17 is formed by laminating a sound insulating material on the upper surface and a water insulating material on the lower surface, centering on the sound absorbing material.
  • the side surface soundproof cover 18 is formed by laminating a sound insulating material on the outside of the sound absorbing material.
  • Felt which is a water-absorbing material, is used as the sound-absorbing material of the side surface soundproof cover 18.
  • Rubber which is a water-insulating material, is used as the sound-insulating material of the side surface sound-insulating cover 18.
  • a shell thermistor 19 is arranged above the compressor 11.
  • the shell thermistor 19 is an example of a temperature sensor that detects the surface temperature of the shell 11a of the compressor 11.
  • the upper surface soundproof cover 17 has a circular planar shape, and a space 20 is formed in the central portion.
  • the space 20 is formed by notching a part of the material constituting the upper surface soundproof cover 17. This space 20 does not penetrate to the upper part of the upper surface soundproof cover 17, but penetrates only the sound absorbing material and the water shielding material.
  • a shell thermistor 19 is arranged above the compressor 11.
  • the soundproof cover 17 on the upper surface is formed with a through hole 21 through which the suction pipe 16 penetrates.
  • a slit 22 is formed in the upper surface soundproof cover 17 from the through hole 21 to the outer peripheral surface of the upper surface soundproof cover 17. The suction pipe 16 is taken in and out of the through hole 21 through the slit 22.
  • FIG. 7 is a diagram showing details of the soundproof cover 17 on the upper surface of the outdoor unit 1 of the air conditioner according to the embodiment.
  • the upper surface soundproof cover 17 has a sound absorbing material 17a, a sound insulating material 17b, and water insulating materials 17c and 17d.
  • a sound insulating material 17b is formed on the upper surface of the sound absorbing material 17a and the upper surface of the space 20.
  • a water-shielding material 17c is formed on the lower surface of the sound-absorbing material 17a.
  • the water-insulating material 17c, the sound-absorbing material 17a, and the sound-insulating material 17b are laminated. Further, a water shielding material 17d is attached between the sound absorbing material 17a and the space 20 formed adjacent to the sound absorbing material 17a in the radial direction.
  • the shell thermistor 19 is housed in this space 20.
  • the space 20 is provided as a space so that the shell thermistor 19 does not interfere with the upper surface soundproof cover 17.
  • a felt member which is a water absorbing material, is used for the sound absorbing material 17a.
  • Rubber which is a water-insulating material, is used for the sound-insulating material 17b.
  • Aluminum tape is used for the water-shielding material 17c on the inside and the lower surface of the upper surface soundproof cover 17.
  • the soundproof cover 51 that covers the shell thermistor 19 and the compressor 11 according to the embodiment, the soundproof cover is provided on the water-impervious material 17c formed of the water-impervious material and on the upper surface of the water-impervious material 17c.
  • a sound absorbing material 17a formed of a water absorbing material and a sound insulating material 17b provided on the upper surface of the sound absorbing material 17a are provided. Therefore, even if water soaks into the sound absorbing material 17a, the water soaked into the sound absorbing material 17a does not reach the shell thermistor 19 due to the water shielding material 17c. Therefore, it is possible to suppress erroneous detection and failure of the temperature sensor due to water adhering to the temperature sensor.
  • the water-impervious material 17d is also attached to the boundary surface between the space 20 and the sound-absorbing material 17a. Then, the impermeable material 17d forms a wall between the through hole 21 through which the suction pipe 16 penetrates and the space 20 in which the shell thermistor 19 is arranged. Therefore, it is possible to prevent the water-shielding material 17d from reaching the shell thermistor 19 after the dew condensation water or the like has soaked into the sound-absorbing material 17a. Therefore, it is possible to prevent erroneous detection and failure due to water adhering to the shell thermistor 19.
  • the water blocking material 17c is formed on the lower surface of the sound absorbing material 17a, it is possible to prevent the condensed water or the like from dripping onto the compressor 11 after the dew condensation water or the like has soaked into the sound absorbing material 17a. Thereby, the failure of the compressor 11 can be suppressed.
  • FIG. 8 is a diagram showing details of the soundproof cover 17 on the upper surface of the outdoor unit 1 of the air conditioner according to the modified example of the embodiment. No space 20 is formed in the upper surface soundproof cover 17 of FIG. In this case, the shell thermistor 19 is arranged below the upper surface soundproof cover 17 and above the compressor 11.
  • the embodiment is presented as an example and is not intended to limit the scope of the embodiment.
  • the embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the embodiment. These embodiments and variations thereof are included in the scope and gist of the embodiments.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Compressor (AREA)

Abstract

La présente invention concerne un couvercle d'insonorisation pour compresseurs recouvrant un compresseur (11) ayant une enveloppe (11a), et un capteur de température qui est disposé sur la partie supérieure de la coque et mesure la température de la surface de l'enveloppe. Le couvercle d'insonorisation comprend : une barrière à l'eau (17c, 17d) qui est constituée d'un matériau imperméable à l'eau ; un matériau absorbant acoustique (17a) qui est disposé sur la surface supérieure de la barrière à l'eau et est constituée d'un matériau absorbant l'eau ; et un isolant acoustique (17b) qui est disposé sur la surface supérieure du matériau absorbant acoustique.
PCT/JP2020/004888 2020-02-07 2020-02-07 Couvercle d'insonorisation pour compresseurs, unité extérieure pour climatiseurs, et climatiseur WO2021157071A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021575567A JP7292439B2 (ja) 2020-02-07 2020-02-07 圧縮機の防音カバー、空気調和機の室外機及び空気調和機
PCT/JP2020/004888 WO2021157071A1 (fr) 2020-02-07 2020-02-07 Couvercle d'insonorisation pour compresseurs, unité extérieure pour climatiseurs, et climatiseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/004888 WO2021157071A1 (fr) 2020-02-07 2020-02-07 Couvercle d'insonorisation pour compresseurs, unité extérieure pour climatiseurs, et climatiseur

Publications (1)

Publication Number Publication Date
WO2021157071A1 true WO2021157071A1 (fr) 2021-08-12

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PCT/JP2020/004888 WO2021157071A1 (fr) 2020-02-07 2020-02-07 Couvercle d'insonorisation pour compresseurs, unité extérieure pour climatiseurs, et climatiseur

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JP (1) JP7292439B2 (fr)
WO (1) WO2021157071A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004198010A (ja) * 2002-12-17 2004-07-15 Daikin Ind Ltd 空気調和機用防音材及びそれを用いた空気調和機
CN104048367A (zh) * 2014-06-30 2014-09-17 珠海格力电器股份有限公司 压缩机减振降噪装置
JP2016205344A (ja) * 2015-04-28 2016-12-08 ダイキン工業株式会社 空気調和機用圧縮機の防音カバー
WO2019038845A1 (fr) * 2017-08-23 2019-02-28 三菱電機株式会社 Capot pour compresseur, unité extérieure pour dispositif de climatisation, et dispositif de climatisation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6195454B2 (ja) * 2013-03-07 2017-09-13 三菱重工サーマルシステムズ株式会社 圧縮機のインシュレーション構造
CN111868445B (zh) * 2018-03-23 2021-10-22 三菱电机株式会社 空调机的室外机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004198010A (ja) * 2002-12-17 2004-07-15 Daikin Ind Ltd 空気調和機用防音材及びそれを用いた空気調和機
CN104048367A (zh) * 2014-06-30 2014-09-17 珠海格力电器股份有限公司 压缩机减振降噪装置
JP2016205344A (ja) * 2015-04-28 2016-12-08 ダイキン工業株式会社 空気調和機用圧縮機の防音カバー
WO2019038845A1 (fr) * 2017-08-23 2019-02-28 三菱電機株式会社 Capot pour compresseur, unité extérieure pour dispositif de climatisation, et dispositif de climatisation

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JPWO2021157071A1 (fr) 2021-08-12
JP7292439B2 (ja) 2023-06-16

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