WO2019142352A1 - Machine intérieure et dispositif de conditionnement d'air - Google Patents

Machine intérieure et dispositif de conditionnement d'air Download PDF

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Publication number
WO2019142352A1
WO2019142352A1 PCT/JP2018/001752 JP2018001752W WO2019142352A1 WO 2019142352 A1 WO2019142352 A1 WO 2019142352A1 JP 2018001752 W JP2018001752 W JP 2018001752W WO 2019142352 A1 WO2019142352 A1 WO 2019142352A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
temperature sensor
housing
indoor unit
electric component
Prior art date
Application number
PCT/JP2018/001752
Other languages
English (en)
Japanese (ja)
Inventor
紘己 毛呂
辰夫 古田
尚也 松永
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 PCT/JP2018/001752 priority Critical patent/WO2019142352A1/fr
Priority to CN201890000186.2U priority patent/CN210463496U/zh
Priority to JP2019565679A priority patent/JP7018964B2/ja
Publication of WO2019142352A1 publication Critical patent/WO2019142352A1/fr

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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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers

Definitions

  • the present invention relates to an indoor unit of an air conditioner, and more particularly to the arrangement of a temperature sensor.
  • the indoor unit of the conventional air conditioner is equipped with a temperature sensor for measuring the temperature of the air in the room.
  • the temperature sensor is disposed at a heat-insensitive position of the heat exchanger installed inside the indoor unit in order to detect the correct room temperature. Therefore, a temperature sensor is disposed at one end in the left-right direction inside the casing of the indoor unit, and a vent for introducing indoor air is provided at a position corresponding to the temperature sensor of the casing covering the end. There is.
  • the temperature sensor detects the temperature of the room air flowing in from the vent and is used for air conditioning control.
  • an open air communication port corresponding to the temperature sensor is formed in the wall surface of the housing, and the temperature sensor is an inner side of the open air communication port of the housing. Since it is provided so as to be located in the vicinity, the room temperature can be detected by the temperature sensor without being affected by the heat exchanger by bringing the outside air into contact with the temperature sensor through the outside air communication port of the housing .
  • a vent is opened in one side surface of the casing of the indoor unit of the air conditioner.
  • a sufficient amount of air is required to detect the correct temperature of the room air. Therefore, the temperature sensor is provided inside the housing and immediately inside the air vent, and is provided outside the electrical equipment box in which other electrical components are stored.
  • the back side is open, and the air entering from the vent is easily scattered, so there is a problem that the temperature detection by the temperature sensor is not properly performed.
  • the temperature sensor is provided outside the electric product box, it is necessary to cover the temperature sensor with a cover so that a human finger does not touch it, and there is a problem that a lot of space is required for arranging the temperature sensor.
  • the present invention has been made to solve the above problems, and provides an indoor unit of an air conditioner that performs accurate room temperature detection with a temperature sensor and does not allow the user to easily touch the temperature sensor. It is
  • An indoor unit of an air conditioner includes a housing having a back surface attached to a wall and having an inlet and an outlet formed therein, and an electric component provided on an inner side of the housing and having an electric component therein. It is surrounded by a box, a temperature sensor for detecting the temperature of the taken-in air, a partition plate which partitions the space inside the housing below the electric component box, the electric component box, the housing, and the partition plate
  • An air retention portion formed by forming the air storage portion the housing has an air inlet for taking in the air sent to the temperature sensor on the side surface, and the temperature sensor is disposed inside the air retention portion The air inlet communicates with the air reservoir.
  • the air from the vent tends to stay in the space around the temperature sensor, so that the correct indoor temperature can be detected.
  • the temperature sensor since the temperature sensor is enclosed, the user can not easily touch it.
  • FIG. 2 is an external perspective view of the indoor unit of the air conditioner according to Embodiment 1;
  • FIG. 2 is a refrigerant circuit diagram of the air conditioner according to Embodiment 1. It is a disassembled perspective view of the indoor unit of the air conditioner of FIG. It is an enlarged view of the A section of FIG. It is an enlarged view of the B section of FIG.
  • FIG. 2 is a front view of the indoor unit of the air conditioner according to Embodiment 1; It is explanatory drawing of the internal structure of the side part of the indoor unit of the air conditioner of FIG. It is explanatory drawing of the internal structure of the side part of the indoor unit of the air conditioner of FIG.
  • FIG. 6 is an explanatory view showing an air passage from an air retention portion of the indoor unit of the air conditioner according to Embodiment 1 to the blower.
  • FIG. 1 is an external perspective view of the indoor unit 100 of the air conditioner according to the first embodiment.
  • the suction port 11 is disposed on the upper surface of a rectangular parallelepiped design panel 30, and the blowout port 12 is disposed on the lower surface.
  • the front of the design panel 30 is covered with a grill 40.
  • the upper surface of the design panel 30 is provided with an opening and is a suction port 11.
  • the back casing 20, the design panel 30, and the grille 40 that constitute the appearance of the indoor unit 100 of the air conditioner are collectively referred to as a housing.
  • FIG. 2 is a refrigerant circuit diagram of the air conditioner according to Embodiment 1.
  • the air conditioner is a refrigerant circuit in which a compressor 210, a flow path switching device 220 that changes the flow direction of the refrigerant, an outdoor heat exchanger 230, an expansion device 240, and an indoor heat exchanger 110 are connected by refrigerant piping. Equipped with The indoor unit 100 and the outdoor unit 200 shown in FIG. 1 are connected by connection pipes 300 and 400.
  • the air conditioner can switch the flow path switching device 220 to change the flow direction of the refrigerant.
  • the air conditioner can switch between the cooling operation and the heating operation.
  • FIG. 3 is an exploded perspective view of the indoor unit 100 of the air conditioner of FIG.
  • FIG. 3 is a view showing a state in which the grill 40 and the design panel 30 are removed from the back casing 20 among the components constituting the housing.
  • an electric component box 60 incorporating a control device for controlling the indoor unit 100 is disposed on the right side when the housing is viewed from the front.
  • casing is not limited only to the structure shown by FIG. 2, You may be comprised from several components.
  • the design panel 30 may be composed of a plurality of parts.
  • FIG. 4 is an enlarged view of a portion A of FIG.
  • FIG. 5 is an enlarged view of a portion B of FIG.
  • the indoor unit 100 of the air conditioner has an air inlet 50 for taking in the room air at the side part of the design panel 30.
  • the air inlet 50 is composed of a plurality of slits so that the user can not easily touch the internal components.
  • a temperature sensor 70 is disposed in the space inside the housing in communication with the air inlet 50.
  • FIG. 6 is a front view of the indoor unit 100 of the air conditioner according to Embodiment 1.
  • FIG. FIG.7 and FIG.8 is explanatory drawing of the internal structure of the side part of the indoor unit 100 of the air conditioner of FIG.
  • FIG. 7 shows the ZZ cross section of FIG. 6, and
  • FIG. 8 shows the YY cross section of FIG.
  • the temperature sensor 70 is disposed below the electrical component box 60. Further, on the lower side of the electric component box 60 and on the back side of the temperature sensor 70, a partition plate 80 for partitioning the space inside the indoor unit 100 is provided.
  • the partition plate 80 is provided in parallel to the rear surface of the housing, and extends from the lower surface of the electric component box 60 to the vicinity of the inner surface of the design panel 30.
  • the air retention portion 90 is a space inside the housing formed in front of the partition plate 80, and communicates with the space in the room where the indoor unit 100 is installed by the air inlet 50.
  • the temperature sensor 70 is disposed inside the air retention unit 90. Then, the temperature sensor 70 touches the air in the room flowing into the air reservoir 90 from the air inlet 50 to detect the temperature of the room.
  • the air retention portion 90 is formed by being surrounded by the electric component box 60, the design panel 30, and the partition plate 80, but is formed by the back casing 20 instead of the design panel 30. It may be That is, the air retention portion 90 may be formed so as to be surrounded by the electric component box 60, the housing, and the partition plate 80.
  • the temperature sensor 70 By not positioning the temperature sensor 70 adjacent to the heat exchanger, the temperature sensor 70 is not affected by the heat of the heat exchanger. Thus, the temperature sensor 70 can detect the correct room temperature. Further, the temperature sensor 70 is disposed at a position close to the lower part of the electric component box 60. The room temperature detected by the temperature sensor 70 is used for air conditioning control. Therefore, the temperature sensor 70 is connected to a control device (not shown) in the electric component box 60 by wiring. In order to shorten the wiring between the temperature sensor 70 and the control device, the temperature sensor 70 is desirably disposed in the vicinity of the electrical component box 60. In addition, during operation of the air conditioner, heat is generated in the control device by performing air conditioning control. Thus, the electrical component box 60 also generates heat during operation of the air conditioner. The heat generated in the electrical component box 60 is likely to move upward, so the temperature sensor 70 is preferably disposed below the electrical component box 60.
  • FIG. 9 is an explanatory view showing an air passage 95 from the air stagnation part 90 of the indoor unit 100 of the air conditioner according to Embodiment 1 to the blower 10.
  • the indoor unit 100 of the air conditioner has a main air path extending from the suction port 11 provided on the upper surface of the casing to the blowout port 12 provided on the lower portion of the casing.
  • An indoor heat exchanger 110 and a blower 10 are installed in the main air path, and the indoor heat exchanger 110 exchanges heat between the air taken in from the suction port 11 and the refrigerant, and blows out the harmonized air from the blowout port 12.
  • the air retention portion 90 and the main air passage communicate with each other inside the housing, and the air in the air retention portion 90 is drawn into the main air passage through the air passage 95 by the blower 10 disposed in the main air passage.
  • the inlet portion of the air passage 95 is a gap between the lower surface of the electric component box 60 and the design panel 30, and the air of the air retention portion 90 drawn into the air passage 95 passes therethrough.
  • the air in the air reservoir 90 is drawn into the main air passage, and the indoor air is drawn from the air inlet 50 into the air reservoir 90. Due to the provision of the partition plate 80, the air drawn into the air retention portion 90 suppresses scattering in the space on the back side inside the housing. Therefore, the time for which the indoor air drawn into the casing hits the temperature sensor 70 increases, and accurate temperature detection becomes possible. Further, by providing the air retention portion 90, accurate temperature detection can be performed even if the temperature sensor 70 is separated from the air inlet 50. Furthermore, since the temperature sensor 70 does not need to be provided in the vicinity of the air inlet 50 by providing the air retention portion 90, a structure such as covering with a cover is not necessary, and the temperature sensor 70 has a simple structure. Has the advantage of being able to
  • the inlet of the air passage 95 connecting the air reservoir 90 and the main air passage is provided on the opposite side of the air inlet 50 with the air reservoir 90 interposed therebetween.
  • the air passage 95 extends vertically along the electrical component box 60 and communicates with the suction port 11 side of the main air passage.
  • the partition plate 80 is provided on the back side of the temperature sensor 70, so that the user can be prevented from easily touching the temperature sensor 70. Further, since the partition plate 80 is provided integrally with the electric component box 60, the air retention portion 90 can be configured with a simple structure by the partition plate 80, the electric component box 60, and the design panel 30.

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

Abstract

La présente invention concerne une machine intérieure d'une machine de conditionnement d'air qui effectue une détection précise de température ambiante au moyen d'un capteur de température qui n'est pas facilement touché. La machine intérieure de la machine de conditionnement d'air comprend : un boîtier, dont la surface arrière est fixée à une paroi, et dans lequel un orifice d'entrée et un orifice de sortie sont formés ; un boîtier de composant électrique, qui est disposé à l'intérieur du boîtier côté surface latérale, et qui comporte un composant électrique qui est disposé à l'intérieur ; un capteur de température qui détecte la température de l'air admis à l'intérieur ; une plaque de séparation qui sépare, en dessous du boîtier de composant électrique, l'espace à l'intérieur du boîtier ; et une section de stockage d'air formée en étant entourée par le boîtier de composant électrique, le boîtier et la plaque de séparation. Le boîtier comporte, dans la surface latérale, un orifice d'entrée d'air pour admettre de l'air qui doit être envoyé au capteur de température, le capteur de température est disposé sur le côté interne de la section de stockage d'air et l'orifice d'entrée d'air est en communication avec la section de stockage d'air.
PCT/JP2018/001752 2018-01-22 2018-01-22 Machine intérieure et dispositif de conditionnement d'air WO2019142352A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2018/001752 WO2019142352A1 (fr) 2018-01-22 2018-01-22 Machine intérieure et dispositif de conditionnement d'air
CN201890000186.2U CN210463496U (zh) 2018-01-22 2018-01-22 空调机的室内机
JP2019565679A JP7018964B2 (ja) 2018-01-22 2018-01-22 空気調和機の室内機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/001752 WO2019142352A1 (fr) 2018-01-22 2018-01-22 Machine intérieure et dispositif de conditionnement d'air

Publications (1)

Publication Number Publication Date
WO2019142352A1 true WO2019142352A1 (fr) 2019-07-25

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Application Number Title Priority Date Filing Date
PCT/JP2018/001752 WO2019142352A1 (fr) 2018-01-22 2018-01-22 Machine intérieure et dispositif de conditionnement d'air

Country Status (3)

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JP (1) JP7018964B2 (fr)
CN (1) CN210463496U (fr)
WO (1) WO2019142352A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0960918A (ja) * 1995-08-22 1997-03-04 Toshiba Corp 空気調和機
JP2001056131A (ja) * 1999-08-17 2001-02-27 Matsushita Electric Ind Co Ltd 天井埋込形空気調和機
JP2002168502A (ja) * 2000-12-04 2002-06-14 Matsushita Electric Ind Co Ltd 空気調和機
JP2014092294A (ja) * 2012-10-31 2014-05-19 Daikin Ind Ltd 空調室内機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0960918A (ja) * 1995-08-22 1997-03-04 Toshiba Corp 空気調和機
JP2001056131A (ja) * 1999-08-17 2001-02-27 Matsushita Electric Ind Co Ltd 天井埋込形空気調和機
JP2002168502A (ja) * 2000-12-04 2002-06-14 Matsushita Electric Ind Co Ltd 空気調和機
JP2014092294A (ja) * 2012-10-31 2014-05-19 Daikin Ind Ltd 空調室内機

Also Published As

Publication number Publication date
CN210463496U (zh) 2020-05-05
JPWO2019142352A1 (ja) 2020-08-27
JP7018964B2 (ja) 2022-02-14

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