WO2022230044A1 - Unité extérieure et dispositif de climatisation - Google Patents

Unité extérieure et dispositif de climatisation Download PDF

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Publication number
WO2022230044A1
WO2022230044A1 PCT/JP2021/016764 JP2021016764W WO2022230044A1 WO 2022230044 A1 WO2022230044 A1 WO 2022230044A1 JP 2021016764 W JP2021016764 W JP 2021016764W WO 2022230044 A1 WO2022230044 A1 WO 2022230044A1
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WO
WIPO (PCT)
Prior art keywords
outdoor unit
opening
housing
unit
unit according
Prior art date
Application number
PCT/JP2021/016764
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English (en)
Japanese (ja)
Inventor
竜也 杉山
瑞朗 酒井
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 PCT/JP2021/016764 priority Critical patent/WO2022230044A1/fr
Priority to JP2023516893A priority patent/JPWO2022230044A1/ja
Publication of WO2022230044A1 publication Critical patent/WO2022230044A1/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
    • 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
    • F24F1/20—Electric components for separate outdoor units
    • F24F1/22—Arrangement or mounting thereof

Definitions

  • the present disclosure relates to outdoor units and air conditioners.
  • Patent Literature 1 describes a communication system in which a communication conversion unit that converts an electric signal into a digital signal for wired transmission is provided in a housing of an outdoor unit.
  • a cable connected to the communication conversion unit and drawn from the inside of the housing to the outside of the housing is connected to an antenna unit capable of wireless communication with a base station.
  • one object of the present disclosure is to provide an outdoor unit having a structure capable of suppressing the occurrence of communication failure of a communication unit, and an air conditioner equipped with such an outdoor unit.
  • One aspect of the outdoor unit of the present disclosure is an outdoor unit of an air conditioner, comprising a housing, a control unit housed inside the housing, and a communication unit attached to the housing.
  • the communication unit is capable of transmitting/receiving a wireless communication signal between a connection terminal electrically connected to the control unit, a signal conversion unit capable of mutually converting an electric signal and a wireless communication signal, and a base station. and a transmission/reception unit, and the control unit and the connection terminal are connected within the housing.
  • One aspect of the air conditioner of the present disclosure includes the outdoor unit described above.
  • FIG. 1 is a schematic diagram showing a schematic configuration of an air conditioner in Embodiment 1.
  • FIG. 2 is a front view of the outdoor unit of Embodiment 1.
  • FIG. 2 is a block diagram showing the system configuration of the outdoor unit of Embodiment 1.
  • FIG. 4 is a partial cross-sectional view showing a connection portion between the communication unit and the outdoor unit of Embodiment 1.
  • FIG. 4 is a perspective view showing part of the procedure for attaching the communication unit of Embodiment 1 to the outdoor unit;
  • FIG. 2 is a diagram of the communication unit of Embodiment 1 as viewed from the right side of the outdoor unit;
  • FIG. FIG. 11 is a partial cross-sectional view of a part of the outdoor unit according to Embodiment 2 as seen from the front;
  • FIG. 11 is a partial cross-sectional view of a part of the outdoor unit according to Embodiment 3 as seen from the front;
  • FIG. 12 is a partial cross-sectional view of a part of the outdoor unit according to Embodiment 4 as seen from the front;
  • FIG. 11 is a perspective view showing part of an outdoor unit according to Embodiment 5;
  • FIG. 12 is a front view of a part of the outdoor unit according to Embodiment 6;
  • the drawings show the X-axis, Y-axis, and Z-axis as appropriate.
  • the X-axis indicates the front-rear direction of the outdoor unit in the air conditioners of the following embodiments.
  • the Y-axis indicates the width direction of the outdoor unit orthogonal to the front-rear direction.
  • the Z-axis indicates the vertical direction.
  • the front-rear direction, width direction, and vertical direction are directions orthogonal to each other.
  • the width direction is the lateral direction of the outdoor unit.
  • the side in the width direction to which the Y-axis arrow points (+Y side) is the left side of the outdoor unit, and the side opposite to the side in the width direction to which the Y-axis arrow points (-Y side) is the right side of the outdoor unit.
  • the side of the width direction to which the Y-axis arrow points (+Y side) that is, the left side is referred to as "one side in the width direction”
  • the side opposite to the side of the width direction to which the Y-axis arrow points (- Y side) is referred to as "the other side in the width direction”.
  • FIG. 1 is a schematic diagram showing a schematic configuration of an air conditioner 100 according to Embodiment 1.
  • the air conditioner 100 includes an outdoor unit 10, an indoor unit 20, and a circulation path section 30.
  • the outdoor unit 10 is arranged outdoors.
  • the indoor unit 20 is arranged indoors.
  • the outdoor unit 10 and the indoor unit 20 are connected to each other by a circulation path section 30 through which the refrigerant 40 circulates.
  • the air conditioner 100 can adjust the temperature of the indoor air by exchanging heat between the refrigerant 40 flowing through the circulation path section 30 and the indoor air in which the indoor unit 20 is arranged.
  • the refrigerant 40 for example, a fluorine-based refrigerant or a hydrocarbon-based refrigerant having a low global warming potential (GWP) can be used.
  • GWP global warming potential
  • the outdoor unit 10 has a housing 11, a compressor 12, a heat exchanger 13, a flow control valve 14, a blower 15, a four-way valve 16, and a controller 17.
  • the controller 17 controls each part of the outdoor unit 10 .
  • the control unit 17 is, for example, a system control unit that controls the entire air conditioner 100 .
  • a compressor 12, a heat exchanger 13, a flow control valve 14, a blower 15, a four-way valve 16, and a controller 17 are housed inside the housing 11.
  • housing 11 is made of metal.
  • FIG. 2 is a front view of the outdoor unit 10 of Embodiment 1.
  • the housing 11 has a fan room 11a that houses the fan 15 therein, and a machine room 11b that houses the controller 17 therein.
  • a partition wall is provided inside the housing 11 to separate the inside of the fan chamber 11a from the inside of the machine chamber 11b.
  • Two fans 15 are arranged vertically in the fan chamber 11a.
  • a heat exchanger 13 is also accommodated inside the fan chamber 11a.
  • the machine room 11b is arranged on one side (+Y side) in the width direction of the fan room 11a.
  • the control unit 17 housed inside the machine room 11b has a control board 17a.
  • a carrying handle 19 is provided on the housing 11 .
  • the carrying handle portions 19 are provided on both wall portions in the width direction (horizontal direction) of the housing 11 .
  • the carrying handle portion 19 includes a side wall portion located on the other side in the width direction (-Y side) of the wall portions that constitute the fan chamber 11a and one side in the width direction (+Y side) of the wall portions that constitute the machine chamber 11b. side) and the side wall portion 11c located on the side).
  • the carrying handle portion 19 is provided in a lower portion of the housing 11 .
  • the carrying handle portion 19 has a groove portion 19a into which a finger of a worker carrying the outdoor unit 10 can be inserted. The operator hooks the finger on the groove portion 19a of the carrying handle portion 19 to lift the outdoor unit 10 and carry the outdoor unit 10. - ⁇
  • the carrying handle portion 19 is detachably attached to the housing 11, for example.
  • the compressor 12 , the heat exchanger 13 , the flow control valve 14 and the four-way valve 16 are provided in a portion of the circulation path section 30 located inside the housing 11 .
  • Compressor 12 , heat exchanger 13 , flow control valve 14 , and four-way valve 16 are connected by a portion of circulation path section 30 located inside housing 11 .
  • the four-way valve 16 is provided in a portion of the circulation path section 30 that is connected to the discharge side of the compressor 12 .
  • the four-way valve 16 can reverse the direction of the coolant 40 flowing through the circulation path section 30 by switching a part of the circulation path section 30 .
  • the path connected by the four-way valve 16 is the path indicated by the solid line in the four-way valve 16 in FIG. 1
  • the refrigerant 40 flows in the circulation path section 30 in the direction indicated by the solid arrow in FIG.
  • the path connected by the four-way valve 16 is the path indicated by the dashed line in the four-way valve 16 in FIG. 1
  • the refrigerant 40 flows in the circulation path section 30 in the direction indicated by the dashed arrow in FIG.
  • the indoor unit 20 has a housing 21, a heat exchanger 22, and a blower 23.
  • a heat exchanger 22 and a blower 23 are housed inside the housing 21 .
  • the indoor unit 20 is capable of a cooling operation for cooling the air in the room in which the indoor unit 20 is arranged and a heating operation for warming the air in the room in which the indoor unit 20 is arranged.
  • the refrigerant 40 flowing through the circulation path portion 30 flows in the direction indicated by the solid line arrow in FIG. That is, when the indoor unit 20 is in a cooling operation, the refrigerant 40 flowing through the circulation path portion 30 flows through the compressor 12, the heat exchanger 13 of the outdoor unit 10, the flow control valve 14, and the heat exchanger 22 of the indoor unit 20. in that order back to the compressor 12 .
  • the heat exchanger 13 inside the outdoor unit 10 functions as a condenser
  • the heat exchanger 22 inside the indoor unit 20 functions as an evaporator.
  • the refrigerant 40 flowing through the circulation path portion 30 flows in the direction indicated by the dashed line in FIG.
  • the refrigerant 40 flowing through the circulation path portion 30 flows through the compressor 12, the heat exchanger 22 of the indoor unit 20, the flow control valve 14, and the heat exchanger 13 of the outdoor unit 10. in that order back to the compressor 12 .
  • the heat exchanger 13 inside the outdoor unit 10 functions as an evaporator
  • the heat exchanger 22 inside the indoor unit 20 functions as a condenser.
  • FIG. 3 is a block diagram showing the system configuration of the outdoor unit 10 of Embodiment 1.
  • the outdoor unit 10 has a communication unit 50 attached to the housing 11 .
  • the communication unit 50 is a wireless communication device capable of wireless communication with the base station BS.
  • the communication method of wireless communication by the communication unit 50 is, for example, LPWA (Low Power Wide Area) or LTE (Long Term Evolution).
  • the communication unit 50 transmits data of the air conditioner 100 to the base station BS by wireless communication.
  • the data transmitted to the base station BS are stored in the cloud server CS.
  • the data of the air conditioner 100 includes, for example, operation information of the air conditioner 100, installation position information of the air conditioner 100, model information of the air conditioner 100, control information of the air conditioner 100, and the like.
  • the communication unit 50 has a case 51 , a signal conversion section 52 and a transmission/reception section 53 .
  • Case 51 , signal converter 52 , and transmitter/receiver 53 constitute main body 56 arranged outside housing 11 .
  • the body portion 56 has a substantially rectangular parallelepiped shape.
  • the signal converter 52 and the transmitter/receiver 53 are housed inside the case 51 .
  • the signal converter 52 is capable of converting between electrical signals and wireless communication signals.
  • An electrical signal is input to the signal converter 52 from the controller 17 of the outdoor unit 10 .
  • the control unit 17 transmits the electric signal to the signal conversion unit 52 without converting the signal format.
  • the signal converter 52 converts the electrical signal input from the controller 17 into a wireless communication signal.
  • the wireless communication signal is, for example, a signal conforming to the LPWA or LTE communication scheme.
  • the transmitting/receiving unit 53 is capable of transmitting/receiving wireless communication signals to/from the base station BS.
  • the transmitting/receiving section 53 has a communication section 54 and an antenna section 55 .
  • the communication unit 54 transmits the radio communication signal obtained by the signal conversion of the signal conversion unit 52 from the antenna unit 55 toward the base station BS.
  • the antenna unit 55 transmits a wireless communication signal on radio waves.
  • the base station BS receives radio waves transmitted from the antenna section 55 .
  • the base station BS transmits information about the air conditioner 100 to the cloud server CS via the communication network.
  • the cloud server CS accumulates data received from the base station BS.
  • the cloud server CS usually accumulates data on multiple air conditioners 100 .
  • the data accumulated in the cloud server CS can be used, for example, for remote maintenance and inspection and remote operation of multiple air conditioners 100 .
  • the transmitting/receiving section 53 can also receive radio waves transmitted from the base station BS with the antenna section 55 and receive wireless communication signals from the base station BS.
  • a wireless communication signal received by the transmission/reception unit 53 is converted into an electric signal by the signal conversion unit 52 and input to the control unit 17 .
  • FIG. 4 is a partial cross-sectional view showing a connecting portion between the communication unit 50 and the outdoor unit 10.
  • FIG. FIG. 5 is a perspective view showing part of the procedure for attaching the communication unit 50 to the outdoor unit 10.
  • FIG. FIG. 6 is a view of the communication unit 50 viewed from the other side in the width direction (-Y side).
  • the communication unit 50 is attached to the upper portion of the side wall portion 11c located on one side (+Y side) in the width direction of the wall portion that constitutes the housing 11 .
  • the side wall portion 11c is a wall portion located on one side in the width direction of the wall portions that constitute the machine room 11b.
  • the communication unit 50 has an insertion portion 57 to be inserted into the opening 18 provided in the side wall portion 11 c and connection terminals 58 provided in the insertion portion 57 .
  • the opening 18 penetrates the side wall 11c in the width direction (horizontal direction).
  • the opening 18 connects the inside of the machine room 11 b , that is, the inside of the housing 11 and the outside of the housing 11 .
  • the opening 18 is provided in the upper portion of the side wall portion 11c.
  • the opening 18 is positioned above the carrying handle 19 . As shown in FIG. 5, the opening 18 is circular in the first embodiment.
  • the opening 18 is a knockout hole formed by removing a part of the wall constituting the housing 11 .
  • the opening 18 is formed by removing the knockout portion 11d forming part of the side wall portion 11c.
  • the knockout portion 11d is provided integrally with the side wall portion 11c. The knockout portion 11d can be easily removed from the side wall portion 11c by applying an impact. An operator who installs the communication unit 50 punches out the knockout portion 11 d with a tool or the like to form the opening 18 .
  • the insertion portion 57 protrudes from the body portion 56 . More specifically, the insertion portion 57 protrudes from a portion of the surface of the case 51 on the other side in the width direction ( ⁇ Y side), which is closer to the upper side, toward the other side in the width direction. As shown in FIG. 6 , the insertion portion 57 is provided at the central portion of the body portion 56 in the front-rear direction. In Embodiment 1, the insertion portion 57 has a tubular shape surrounding the connection terminal 58 . The insertion portion 57 has a cylindrical shape that opens on the other side in the width direction. As shown in FIG. 4, the insertion portion 57 is inserted into the opening 18 from one width direction side (+Y side) and protrudes into the machine chamber 11b. When the insertion portion 57 is inserted into the opening portion 18, the surface of the body portion 56 on the other side in the width direction is in contact with the surface on the one side in the width direction of the side wall portion 11c.
  • the insertion part 57 is an attachment part that is attached to the housing 11 by being inserted into the opening 18 .
  • the insertion portion 57 is press-fitted into the opening 18 by being inserted into the opening 18 and attached to the housing 11 .
  • the communication unit 50 is attached to the side wall portion 11 c of the housing 11 from the outside.
  • connection terminal 58 is positioned inside the tubular insertion portion 57 .
  • the connection terminal 58 is exposed to the outside of the communication unit 50 through an opening on the other widthwise side ( ⁇ Y side) of the insertion portion 57 .
  • the connection terminal 58 is inserted into the opening 18 together with the insertion portion 57 and arranged inside the machine chamber 11b.
  • the insertion portion 57 and the connection terminal 58 are located below the control board 17 a of the control portion 17 .
  • the connection terminal 58 is electrically connected to the signal converter 52 housed in the case 51 .
  • the outdoor unit 10 has a wiring member 60 that connects the control unit 17 and the connection terminal 58 .
  • the connection terminal 58 is electrically connected to the controller 17 inside the housing 11 by the wiring member 60 .
  • the control section 17 is electrically connected to the signal conversion section 52 via the wiring member 60 and the connection terminal 58 .
  • the wiring member 60 is a lead wire with connectors 61 and 62 attached to both ends thereof.
  • the connector 61 is connected to the control board 17a.
  • the connector 62 is connected to the connection terminal 58 from the other widthwise side (-Y side).
  • An operator who installs the communication unit 50 inserts the insertion part 57 into the opening 18 to attach the communication unit 50 to the housing 11 , and then connects the control part 17 and the connection terminal 58 with the wiring member 60 .
  • the wiring member 60 may be attached in advance to the control board 17a via the connector 61 .
  • the communication unit 50 is attached to the housing 11 of the outdoor unit 10 , and the control section 17 and the connection terminal 58 of the communication unit 50 are connected within the housing 11 . Therefore, the electrical communication path connecting the control unit 17 and the communication unit 50 is not exposed to the outside of the outdoor unit 10 .
  • the manufacturing cost of the outdoor unit 10 can be reduced by the amount of no need to provide an external cable. In addition, there is no need to perform work for connecting an external cable, and the mounting work of the communication unit 50 can be facilitated.
  • the electrical communication path from the control unit 17 to the signal conversion unit 52 can be accommodated in the housing 11 of the outdoor unit 10 and the communication unit 50. Therefore, it is possible to prevent external noise from outside the outdoor unit 10 from being added to the electric signal transmitted from the control unit 17 to the signal conversion unit 52 . Thereby, the communication quality of the communication unit 50 can be improved. In addition, erroneous control of the communication unit 50 by the control section 17 can be suppressed.
  • the housing 11 has the opening 18 .
  • the communication unit 50 has an insertion portion 57 that is inserted into the opening 18 .
  • the connection terminal 58 is provided on the insertion portion 57 . Therefore, by inserting the insertion portion 57 into the opening 18 , the connection terminal 58 can be inserted inside the housing 11 . Thereby, the communication unit 50 can be easily retrofitted to the housing 11 through the opening 18 .
  • the communication unit 50 has the main body portion 56 arranged outside the housing 11 of the outdoor unit 10 .
  • the insertion portion 57 protrudes from the body portion 56 and is inserted into the opening portion 18 .
  • the transmitting/receiving section 53 is provided in the body section 56 . Therefore, even if the housing 11 of the outdoor unit 10 is made of metal, the housing 11 does not interfere with radio waves radiated from the transmitting/receiving section 53 of the communication unit 50 . Therefore, data transmission from the communication unit 50 to the base station BS can be performed favorably.
  • the insertion portion 57 has a tubular shape surrounding the connection terminal 58 . Therefore, the connection terminal 58 can be protected by the insertion portion 57 . As a result, when inserting the insertion portion 57 into the opening 18 , it is possible to prevent the connection terminal 58 from contacting the housing 11 and being damaged. Therefore, it is possible to prevent a problem from occurring in the connection between the control section 17 and the communication unit 50 . Therefore, it is possible to further suppress the occurrence of communication failure of the communication unit 50 . Also, a part of the electrical communication path from the control unit 17 to the signal conversion unit 52 can be surrounded and covered by the insertion unit 57 . Therefore, it is possible to further suppress external noise from the outside of the outdoor unit 10 on the electric signal transmitted from the control unit 17 to the signal conversion unit 52 . Thereby, the communication quality of the communication unit 50 can be further improved.
  • the insertion portion 57 is an attachment portion that is attached to the housing 11 by being inserted into the opening portion 18 . Therefore, a worker who attaches the communication unit 50 to the housing 11 can easily attach the communication unit 50 to the housing 11 by inserting the insertion portion 57 into the opening 18 .
  • the opening 18 is a knockout hole. Therefore, the opening 18 is not formed in the housing 11 before the communication unit 50 is attached. As a result, foreign matter such as rain or dust can be prevented from entering the housing 11 before the communication unit 50 is attached.
  • the outdoor unit 10 includes the wiring member 60 that connects the control unit 17 and the connection terminal 58 .
  • the wiring member 60 has a connector 62 connected to the connection terminal 58 . Therefore, an operator who installs the communication unit 50 inserts the insertion portion 57 into the opening portion 18 and then connects the connector 62 to the connection terminal 58 inside the housing 11, thereby connecting the control portion 17 and the communication unit 50 together. can be easily electrically connected.
  • the control unit 17 transmits the electrical signal to the signal conversion unit 52 without converting the signal format. Therefore, it is not necessary to provide a conversion section for converting the signal format of the electric signal in the control section 17 . Thereby, the number of parts of the outdoor unit 10 can be reduced, and the manufacturing cost of the outdoor unit 10 can be reduced.
  • FIG. 7 is a partial cross-sectional view of a part of the outdoor unit 210 according to Embodiment 2 as seen from the front. It should be noted that, in the following description, the same configurations as those of the above-described embodiment may be omitted by appropriately assigning the same reference numerals.
  • the control section 217 has a holding section 217b capable of holding the connector 262 of the wiring member 260.
  • the holding portion 217b is provided at the end portion of the control portion 217 on the lower side of the control board 217a in the width direction (+Y side).
  • the connector 262 can be detachably held by the holding portion 217b.
  • the wiring member 260 of Embodiment 2 Before the communication unit 250 is attached to the housing 11 of the outdoor unit 210, the wiring member 260 of Embodiment 2 is in a state in which the connector 262 is held by the holding portion 217b as indicated by the two-dot chain line in FIG. ing.
  • the end of the wiring member 260 opposite to the side where the connector 262 is provided is directly connected to the control board 217a by, for example, soldering.
  • the entire wiring member 260 overlaps the control board 217a when viewed in the front-rear direction.
  • the worker who installs the communication unit 250 After inserting the insertion portion 57 of the communication unit 250 into the opening 18 , the worker who installs the communication unit 250 removes the connector 262 from the holding portion 217 b and pulls out the wiring member 260 from the control portion 217 . The worker connects the connector 262 of the wiring member 260 pulled out to the connection terminal 58 as indicated by the solid line in FIG.
  • the control unit 217 has a case that accommodates the control board 217a
  • the wiring member 260 may be accommodated and held in the case.
  • the insertion portion 57 of the communication unit 250 is provided with a claw portion 259 that is hooked on the wall portion of the housing 11 from the inside.
  • the claw portion 259 protrudes radially outward of the insertion portion 57 from the outer peripheral surface of the insertion portion 57 .
  • the protruding height of the claw portion 259 decreases with increasing distance from the body portion 56 .
  • the claw portion 259 is elastically deformable in the radial direction of the insertion portion 57 . While the insertion portion 57 is being inserted into the opening 18 from one side in the width direction (+Y side), the claw portion 259 is pushed from the inner peripheral surface of the opening 18 and elastically deformed.
  • the insertion portion 57 When the insertion portion 57 is fully inserted into the opening 18, the entire claw portion 259 is inserted into the housing 11, and the claw portion 259 is restored and deformed. As a result, the claw portion 259 is hooked on the peripheral portion of the opening 18 of the side wall portion 11 c from the inside of the housing 11 .
  • the insertion portion 57 is fixed to the housing 11 by snap-fitting using the claw portion 259 .
  • a plurality of claw portions 259 are provided along the circumferential direction of the insertion portion 57 .
  • the insertion portion 57 may not be press-fitted into the opening portion 18 and may be loosely fitted into the opening portion 18 .
  • outdoor unit 210 can be the same as other configurations of the outdoor unit 10 of the first embodiment.
  • Other configurations of the air conditioner 200 can be the same as other configurations of the air conditioner 100 of the first embodiment.
  • the control section 217 has a holding section 217b capable of holding the connector 262 connected to the connection terminal 58. Therefore, before the communication unit 250 is attached, the connector 262 is held by the holding portion 217b so that the wiring member 260 can be preferably held by the control portion 217 . This can prevent the wiring member 260 from moving within the housing 11 before the communication unit 250 is attached. Therefore, even if the wiring member 260 is connected in advance to the control unit 217 inside the housing 11, it is possible to prevent the wiring member 260 from being damaged by rubbing against other components.
  • the connector 262 is removed from the holding portion 217b and connected to the connection terminal 58, whereby the control portion 217 and the communication unit 250 can be easily electrically connected. Therefore, the connection work between the control unit 217 and the communication unit 250 can be facilitated.
  • the insertion portion 57 is provided with a claw portion 259 that is hooked on the wall portion of the housing 11 from the inside. Therefore, the claw portion 259 can suitably prevent the insertion portion 57 from slipping out of the opening portion 18 . Accordingly, by inserting the insertion portion 57 into the opening 18, the communication unit 250 can be attached to the housing 11 more stably. Therefore, it is possible to preferably prevent the communication unit 250 from falling off from the housing 11 .
  • FIG. 8 is a partial cross-sectional view of part of the outdoor unit 310 according to Embodiment 3 as seen from the front. It should be noted that, in the following description, the same configurations as those of the above-described embodiment may be omitted by appropriately assigning the same reference numerals.
  • the connector 362 of the wiring member 360 is fixed to the control section 17 . More specifically, connector 362 is fixed to the lower portion of control board 17a. The connector 362 is arranged at a position facing the opening 18 in the width direction (horizontal direction). The connector 362 is fixed to the control unit 17 while facing one width direction side (+Y side). A connection terminal 58 provided in an insertion portion 57 inserted into the opening portion 18 is connected to the connector 362 from one side in the width direction.
  • outdoor unit 310 can be the same as other configurations of the outdoor units in each of the above-described embodiments.
  • Other configurations of the air conditioner 300 can be the same as other configurations of the air conditioners in each of the above-described embodiments.
  • the connector 362 of the wiring member 360 is fixed to the control section 17 and arranged at a position facing the opening section 18 . Therefore, by inserting the insertion portion 57 into the opening 18 , the connection terminal 58 provided in the insertion portion 57 can be connected to the connector 362 . As a result, it is not necessary to manually connect the connector 362 of the wiring member 360 to the connection terminal 58 separately. Therefore, the mounting work of the communication unit 50 can be facilitated. In addition, it is possible to prevent erroneous connection, such as connecting the connector 362 to the connection terminal 58 in the wrong direction.
  • FIG. 9 is a partial cross-sectional view of part of the outdoor unit 410 according to Embodiment 4 as seen from the front. It should be noted that, in the following description, the same configurations as those of the above-described embodiment may be omitted by appropriately assigning the same reference numerals.
  • the electromagnetic wave shield 451a that blocks or attenuates electromagnetic waves.
  • the electromagnetic wave shield 451a is provided on the inner surface of the wall portion of the case 51 on the other side in the width direction (-Y side) that contacts the side wall portion 11c.
  • the electromagnetic wave shield 451a is made of, for example, sheet metal, metal mesh, or metal plating.
  • Embodiment 4 at least part of the inner peripheral surface of the insertion portion 57 is provided with an electromagnetic wave shield 457a that blocks or attenuates electromagnetic waves.
  • the electromagnetic wave shield 457a is provided on the entire inner peripheral surface of the insertion portion 57.
  • the electromagnetic wave shield 457a is made of, for example, sheet metal, metal mesh, or metal plating, like the electromagnetic wave shield 451a.
  • outdoor unit 410 can be the same as other configurations of the outdoor units in each of the above-described embodiments.
  • Other configurations of the air conditioner 400 can be the same as other configurations of the air conditioners in each of the above-described embodiments.
  • Embodiment 4 at least part of the inner surface of the case 51 of the communication unit 450 is provided with an electromagnetic shield 451a. Therefore, part of the electromagnetic waves radiated from the antenna section 55 of the communication unit 450 can be blocked or attenuated by the electromagnetic wave shield 451a. As a result, even if the communication unit 450 is arranged in the housing 11 at a position close to the control unit 17 by attaching the communication unit 450 to the housing 11 , the electromagnetic waves emitted from the antenna unit 55 will not affect the electric components of the control unit 17 . can be suppressed from affecting Therefore, it is possible to prevent the control unit 17 from malfunctioning.
  • At least part of the inner peripheral surface of the insertion portion 57 is provided with an electromagnetic wave shield 457a. Therefore, part of the electromagnetic waves radiated from the antenna section 55 of the communication unit 450 can be blocked or attenuated by the electromagnetic wave shield 457a. Accordingly, it is possible to suppress the influence of the electromagnetic wave emitted from the antenna section 55 on the signal flowing through the electrical communication path connecting the control section 17 and the communication unit 450 . Therefore, it is possible to suppress the occurrence of errors in signals flowing between the control section 17 and the communication unit 450 .
  • the electromagnetic wave shield 451a may be provided on the entire inner surface of the case 51 of the communication unit 450.
  • the electromagnetic wave shield 457 a may be provided only on a part of the inner peripheral surface of the insertion portion 57 .
  • FIG. 10 is a perspective view showing part of the outdoor unit 510 according to the fifth embodiment. It should be noted that, in the following description, the same configurations as those of the above-described embodiment may be omitted by appropriately assigning the same reference numerals.
  • the outdoor unit 510 of the air conditioner 500 of Embodiment 5 can open and close the opening 518 provided in the side wall portion 511c on one width direction side (+Y side) of the housing 511.
  • An opening/closing mechanism 570 is provided.
  • opening 518 is not a knockout hole as in Embodiment 1, but a hole formed in housing 511 in advance.
  • FIG. 10 shows the opening 518 closed by the opening/closing mechanism 570 .
  • the opening/closing mechanism 570 is fixed to the outer surface of the side wall portion 511c.
  • the opening/closing mechanism 570 has a slide portion 571 , a pair of rail portions 572 and a stopper portion 573 .
  • the pair of rail portions 572 extends in the front-rear direction.
  • the pair of rail portions 572 are arranged with an interval in the vertical direction.
  • the pair of rail portions 572 are arranged to sandwich the opening 518 in the vertical direction.
  • the stopper portion 573 extends in the vertical direction and connects the rear ( ⁇ X side) ends of the pair of rail portions 572 .
  • the slide portion 571 is positioned between the pair of rail portions 572 in the vertical direction.
  • the slide portion 571 is supported by a pair of rail portions 572 so as to be movable in the front-rear direction.
  • the slide portion 571 has a substantially square plate shape.
  • the slide portion 571 covers and blocks the opening portion 518 from one side (+Y side) in the width direction at a position where it contacts the stopper portion 573 from the front (+X direction).
  • the opening 518 can be opened by sliding the sliding portion 571 forward.
  • the communication unit 50 can be attached to the opening 518 from the outside of the housing 511 .
  • outdoor unit 510 can be the same as other configurations of the outdoor units in each of the above-described embodiments.
  • Other configurations of the air conditioner 500 can be the same as other configurations of the air conditioners in the above-described embodiments.
  • the outdoor unit 510 includes an opening/closing mechanism 570 capable of opening/closing the opening 518 . Therefore, even if the opening 518 is not used as a knockout hole and is formed in the housing 511 in advance, the opening 518 can be closed by the opening/closing mechanism 570 before the communication unit 50 is attached. Therefore, foreign matter such as rain or dust can be prevented from entering the housing 511 through the opening 518 without using the opening 518 as a knockout hole. Moreover, unlike the knockout hole, when the communication unit 50 is attached, there is no need to remove a part of the housing 511. Therefore, a fragment unlike the knockout portion 11d of the first embodiment does not occur.
  • the opening 518 can be closed again by the opening/closing mechanism 570 . Therefore, even when the communication unit 50 once attached is removed from the housing 511 , it is possible to prevent foreign matter such as rain or dust from entering the housing 511 through the opening 518 .
  • FIG. 11 is a front view of part of the outdoor unit 610 according to the sixth embodiment. It should be noted that, in the following description, the same configurations as those of the above-described embodiment may be omitted by appropriately assigning the same reference numerals.
  • the opening 618 is a mounting hole to which the carrying handle 19 is mounted.
  • the carrying handle 19 can be attached to the opening 618 in the sixth embodiment.
  • a worker who installs the communication unit 650 removes the carrying handle 19 from the opening 618 and inserts the communication unit 650 into the opening 618 .
  • the communication unit 650 in the sixth embodiment has, for example, the same shape as the body section 56 in the first embodiment described above.
  • communication unit 650 is a plug-in portion that is entirely inserted into housing 611 through opening 618 .
  • outdoor unit 610 can be the same as other configurations of the outdoor units in each of the above-described embodiments.
  • Other configurations of the air conditioner 600 can be the same as other configurations of the air conditioners in each of the above-described embodiments.
  • the carrying handle 19 can be attached to the opening 618 . Therefore, the hole in which the carrying handle portion 19 is attached can be used as the opening portion 618 into which the insertion portion of the communication unit 650 is inserted. As a result, there is no need to separately form an opening for attaching the communication unit 650, and the number of holes provided in the housing 611 can be reduced. Also, the opening 618 can be closed with the carrying handle 19 before the communication unit 650 is attached. Therefore, it is possible to prevent foreign matter such as rain or dust from entering the housing 611 through the opening 618 before the communication unit 650 is attached.
  • the communication unit 650 is an insertion part that is entirely inserted into the opening 618 . Therefore, it is possible to prevent the communication unit 650 from protruding outside the housing 611 . This can prevent the communication unit 650 from becoming an obstacle.
  • the communication unit 650 is configured to have a main body portion and an insertion portion in the same manner as in the above-described Embodiments 1 to 5, and the insertion portion is inserted into the opening 618 to which the carrying handle portion 19 was attached.
  • the communication unit 650 may be attached to the housing 611 .
  • the communication unit may be attached to the housing of the outdoor unit in any way as long as the connection terminal is connected to the control unit within the housing of the outdoor unit.
  • the communication unit may be attached by fixing the portion other than the insertion portion that is inserted into the opening to the housing.
  • the groove provided in the carrying handle, where the operator's fingers can be hung, may be penetrated into the housing of the outdoor unit, and the groove may be used as an opening into which the insertion part of the communication unit is inserted.
  • the communication unit can be attached to the housing through the groove of the carrying handle without removing the carrying handle.

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

Abstract

Un mode de réalisation d'une unité extérieure de la présente divulgation est une unité extérieure d'un dispositif de climatisation, l'unité extérieure comprenant un corps de boîtier, une unité de commande logée à l'intérieur du corps de boîtier et une unité de communication fixée au corps de boîtier. L'unité de communication inclut : une borne de connexion électriquement connectée à l'unité de commande ; une unité de conversion de signal qui peut convertir mutuellement un signal électrique et un signal de communication sans fil ; et une unité d'émission/de réception qui peut émettre/recevoir un signal de communication sans fil vers/depuis une station de base. L'unité de commande et la borne de connexion sont connectées à l'intérieur du corps de boîtier.
PCT/JP2021/016764 2021-04-27 2021-04-27 Unité extérieure et dispositif de climatisation WO2022230044A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2021/016764 WO2022230044A1 (fr) 2021-04-27 2021-04-27 Unité extérieure et dispositif de climatisation
JP2023516893A JPWO2022230044A1 (fr) 2021-04-27 2021-04-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/016764 WO2022230044A1 (fr) 2021-04-27 2021-04-27 Unité extérieure et dispositif de climatisation

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005347445A (ja) * 2004-06-02 2005-12-15 Nec Corp 電子機器・通信機器の電磁波シールド構造
JP2006234280A (ja) * 2005-02-24 2006-09-07 Sharp Corp 空気調和機
JP2008111614A (ja) * 2006-10-31 2008-05-15 Fujitsu General Ltd 空気調和機
JP2009074735A (ja) * 2007-09-20 2009-04-09 Sanyo Electric Co Ltd 空気調和装置
WO2016208223A1 (fr) * 2015-06-25 2016-12-29 東芝キヤリア株式会社 Unité d'extérieur
JP2017069851A (ja) * 2015-09-30 2017-04-06 ダイキン工業株式会社 Ｉｃカートリッジ及環境調整装置
JP2020008261A (ja) * 2018-07-12 2020-01-16 ダイキン工業株式会社 空調機の通信システム及び空調機
JP2020026906A (ja) * 2018-08-09 2020-02-20 株式会社富士通ゼネラル ネットワーク中継器

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005347445A (ja) * 2004-06-02 2005-12-15 Nec Corp 電子機器・通信機器の電磁波シールド構造
JP2006234280A (ja) * 2005-02-24 2006-09-07 Sharp Corp 空気調和機
JP2008111614A (ja) * 2006-10-31 2008-05-15 Fujitsu General Ltd 空気調和機
JP2009074735A (ja) * 2007-09-20 2009-04-09 Sanyo Electric Co Ltd 空気調和装置
WO2016208223A1 (fr) * 2015-06-25 2016-12-29 東芝キヤリア株式会社 Unité d'extérieur
JP2017069851A (ja) * 2015-09-30 2017-04-06 ダイキン工業株式会社 Ｉｃカートリッジ及環境調整装置
JP2020008261A (ja) * 2018-07-12 2020-01-16 ダイキン工業株式会社 空調機の通信システム及び空調機
JP2020026906A (ja) * 2018-08-09 2020-02-20 株式会社富士通ゼネラル ネットワーク中継器

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