WO2020095342A1 - Indoor unit for air conditioner - Google Patents

Indoor unit for air conditioner Download PDF

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Publication number
WO2020095342A1
WO2020095342A1 PCT/JP2018/040967 JP2018040967W WO2020095342A1 WO 2020095342 A1 WO2020095342 A1 WO 2020095342A1 JP 2018040967 W JP2018040967 W JP 2018040967W WO 2020095342 A1 WO2020095342 A1 WO 2020095342A1
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WO
WIPO (PCT)
Prior art keywords
side edge
wiring
temperature sensor
edge portion
indoor unit
Prior art date
Application number
PCT/JP2018/040967
Other languages
French (fr)
Japanese (ja)
Inventor
翔野 楠本
辰夫 古田
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 JP2020556371A priority Critical patent/JP7308862B2/en
Priority to PCT/JP2018/040967 priority patent/WO2020095342A1/en
Priority to CN201890001066.4U priority patent/CN212253083U/en
Publication of WO2020095342A1 publication Critical patent/WO2020095342A1/en

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    • 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 air conditioner indoor unit in which a temperature sensor is provided in a refrigerant pipe of an indoor heat exchanger.
  • some air conditioner indoor units have a temperature sensor installed in the refrigerant pipe of the indoor heat exchanger.
  • the temperature of the refrigerant pipe detected by the temperature sensor is used as the temperature of the refrigerant flowing through the refrigerant pipe for controlling the refrigeration cycle circuit of the air conditioner and the like.
  • the temperature sensor may be provided at a position where the air blown by the fan hits the temperature sensor.
  • a shielding plate that blocks the flow of air blown from the fan toward the temperature sensor is provided between the temperature sensor and the fan.
  • the wiring connected to the temperature sensor provided in the refrigerant pipe of the indoor heat exchanger is routed inside the indoor unit and connected to the control device. At this time, the wiring connected to the temperature sensor may be routed so as to straddle the shielding plate. In such a case, the middle part of the wiring connected to the temperature sensor is fixed to the shield plate.
  • the wiring fixing component described in Patent Document 1 includes a cable storage portion that is a recess.
  • a cable retainer is provided at one end of the cable storage location.
  • a hook portion and a protrusion for fixing the wiring are provided at a position inside the recess at the cable storage location.
  • the wiring fixing component described in Patent Document 1 includes a claw portion used when fixing the wiring fixing member to a member to be attached such as a shielding plate.
  • the procedure is as follows. First, the hook portion and the protrusion fix the middle portion of the wiring connected to the temperature sensor to the inside of the wiring fixing component. Then, the claw portion of the wiring fixing component is inserted into the hole of the shielding plate to fix the wiring fixing component to the shielding plate. As a result, the middle part of the wiring connected to the temperature sensor is fixed to the shield plate. In this way, when the wiring fixing component described in Patent Document 1 is used to fix the middle part of the wiring connected to the temperature sensor to the shield plate, the wiring portion fixed to the wiring fixing component is fixed to the wiring. It disappears because it is hidden by parts.
  • the indoor unit of the conventional air conditioner when the wiring fixing component is fixed to the shielding plate, the wiring portion fixed to the wiring fixing component is hidden by the wiring fixing component and disappears. Therefore, in the conventional indoor unit of the air conditioner, when the wiring fixing component is fixed to the shielding plate, it is checked whether the middle part of the wiring connected to the temperature sensor is disengaged from the wiring fixing component. Difficult to do. Further, in the conventional air conditioner indoor unit, when it is found that the middle part of the wiring connected to the temperature sensor is removed from the wiring fixing component in the state where the wiring fixing component is fixed to the shielding plate, It is necessary to remove the wiring fixing part from the shielding plate, fix the wiring to the wiring fixing part again, and then attach the wiring fixing part to the shielding plate again. As described above, the indoor unit of the conventional air conditioner has a problem in that it is difficult to route the wiring when fixing the middle part of the wiring connected to the temperature sensor to the shield plate.
  • the present invention has been made in order to solve the above-mentioned problems, and it is possible to more easily perform the wiring work of the wiring when fixing the intermediate part of the wiring connected to the temperature sensor to the shield plate. It is an object to provide an indoor unit of an air conditioner that can be used.
  • the indoor unit of the air conditioner according to the present invention has an indoor heat exchanger having a refrigerant pipe through which a refrigerant flows, a temperature sensor provided in the refrigerant pipe, a fan that blows air into the indoor heat exchanger, and the temperature.
  • a shielding plate that is provided between the sensor and the fan and that blocks a flow of air blown from the fan toward the temperature sensor, the shielding plate having a first side edge portion and the first side.
  • a plate-shaped main body having a second side edge that is a side edge opposite to the edge is provided, and the first side edge has a V-shape that is recessed toward the second side edge.
  • a notch is formed, and the main body part is provided with a clamp for fixing the wiring connected to the temperature sensor between the notch and the second side edge part of the first side edge part.
  • the wiring connected to the temperature sensor is hooked on the edge of the V-shaped notch of the first side edge portion, and the wiring is directed toward the second side edge portion. pull.
  • the wiring connected to the temperature sensor moves toward the V-shaped valley along the edge of the cutout and is guided to the clamp position. Therefore, the indoor unit of the air conditioner according to the present invention can easily fix the middle part of the wiring connected to the temperature sensor to the clamp, and shields the middle part of the wiring connected to the temperature sensor. Wiring work for fixing to the plate can be performed more easily than before.
  • FIG. 6 is a perspective view of the vicinity of the shield plate of the indoor unit of the air conditioner according to the embodiment of the present invention as viewed from the fan side, and a diagram for explaining a method of fixing wiring to the shield plate.
  • FIG. 6 is a perspective view of the vicinity of the shield plate of the indoor unit of the air conditioner according to the embodiment of the present invention as viewed from the fan side, and a diagram for explaining a method of fixing wiring to the shield plate.
  • FIG. 1 is a refrigerant circuit diagram showing an example of an air conditioner including an indoor unit according to an embodiment of the present invention.
  • the solid arrow shown in FIG. 1 indicates the flow direction of the refrigerant during the cooling operation.
  • the broken line arrow shown in FIG. 1 indicates the flow of the refrigerant during the heating operation.
  • the air conditioner 500 includes an indoor unit 100 and an outdoor unit 200.
  • the indoor unit 100 and the outdoor unit 200 are connected by a gas refrigerant pipe 300 and a liquid refrigerant pipe 400.
  • the indoor unit 100 has an indoor heat exchanger 110.
  • the outdoor unit 200 has a compressor 210, a four-way valve 220, an outdoor heat exchanger 230, and an expansion valve 240.
  • the compressor 210 compresses the drawn refrigerant and discharges it.
  • the compressor 210 may be configured to be able to change the capacity of the compressor 210 by arbitrarily changing the operating frequency by, for example, an inverter circuit or the like.
  • the capacity of the compressor 210 represents the amount of refrigerant discharged per unit time.
  • the four-way valve 220 is a valve that switches the flow of the refrigerant depending on, for example, a cooling operation and a heating operation.
  • the outdoor heat exchanger 230 exchanges heat between the refrigerant and the outdoor air.
  • the outdoor heat exchanger 230 functions as an evaporator during heating operation, and evaporates and evaporates the refrigerant. Further, the outdoor heat exchanger 230 functions as a condenser during the cooling operation and condenses and liquefies the refrigerant.
  • the expansion valve 240 is, for example, a throttle device, and decompresses the refrigerant to expand it.
  • the opening degree of the expansion valve 240 is adjusted based on an instruction from a control device (not shown) or the like.
  • the indoor heat exchanger 110 exchanges heat between the air in the air-conditioned space and the refrigerant.
  • the indoor heat exchanger 110 functions as a condenser during heating operation and condenses and liquefies the refrigerant.
  • the indoor heat exchanger 110 functions as an evaporator during the cooling operation, and evaporates and evaporates the refrigerant.
  • the refrigeration cycle circuit of the air conditioner 500 is composed of the compressor 210, the four-way valve 220, the outdoor heat exchanger 230, the expansion valve 240, and the indoor heat exchanger 110.
  • the heating operation and the cooling operation can be realized by switching the flow of the refrigerant by the four-way valve 220 of the outdoor unit 200.
  • FIG. 2 is a perspective view of the indoor unit of the air conditioner according to the embodiment of the present invention as seen from below.
  • FIG. 3 is a vertical cross-sectional view of the indoor unit of the air conditioner according to the embodiment of the present invention.
  • FIG. 4 is a perspective view of the inside of the indoor unit of the air conditioner according to the embodiment of the present invention as seen from below the indoor unit.
  • FIG. 4 is a view of the indoor unit 100 with the decorative panel 2 removed, as seen from below.
  • the arrow with the black tip shown in FIG. 3 indicates the flow of air in the indoor unit 100.
  • the indoor unit 100 is a four-direction blow-out type indoor unit that blows air in four directions, and is embedded in the ceiling of the air conditioning target space such as a room or is hung on the ceiling of the air conditioning target space. It is installed by.
  • the indoor unit 100 includes a main body 1 and a decorative panel 2 as components that form an outer shell of the indoor unit 100.
  • the main body 1 is a box body having a substantially rectangular parallelepiped shape.
  • the main body 1 has an opening formed on a surface that becomes a lower surface when installed on the ceiling.
  • the decorative panel 2 is attached to the main body 1 so as to cover the opening of the main body 1.
  • the decorative panel 2 has a suction port 2a formed substantially in the center thereof. Further, the decorative panel 2 is formed with four outlets 2b so as to surround the inlet 2a.
  • the fan 3 sucks the air in the air-conditioned space into the main body 1 through the suction port 2a and blows it out to the indoor heat exchanger 110.
  • an indoor heat exchanger 110 is provided inside the main body 1 so as to surround the fan 3. The indoor heat exchanger 110 exchanges heat between the refrigerant flowing inside the indoor heat exchanger 110 and the air in the air-conditioned space sucked into the main body 1 by the fan 3.
  • the indoor heat exchanger 110 is arranged at a position on the outer peripheral side of the suction port 2a and on the inner peripheral side of the air outlet 2b in a plan view. Therefore, as shown by an arrow with a black tip in FIG. 3, as the fan 3 rotates, the air in the air-conditioned space is sucked into the main body 1 from the suction port 2a and flows into the indoor heat exchanger 110. It is configured to do. Further, the air in the air conditioning target space that has flowed into the indoor heat exchanger 110 exchanges heat with the refrigerant flowing inside the indoor heat exchanger 110 when passing through the indoor heat exchanger 110, and flows from the air outlet 2b to the air conditioning target space. It is designed to be blown out.
  • the indoor heat exchanger 110 functions as an evaporator
  • the air in the air-conditioned space reaches the dew point temperature when cooled by the indoor heat exchanger 110
  • dew condensation may occur in the indoor heat exchanger 110. ..
  • the dew attached to the indoor heat exchanger 110 may fall from the indoor heat exchanger 110. Therefore, below the indoor heat exchanger 110, the dew receiving component 30 that receives dew falling from the indoor heat exchanger 110 is provided.
  • a shield plate 10 that closes a gap between both ends of the indoor heat exchanger 110 is provided therebetween.
  • FIG. 5 is a perspective view of the vicinity of the shield plate of the indoor unit according to the embodiment of the present invention as seen from the fan side, and is a view of the periphery of the shield plate as seen from below.
  • FIG. 6 is a perspective view of the periphery of the shield plate of the indoor unit according to the embodiment of the present invention as viewed from the side opposite to the fan, and is a view of the periphery of the shield plate from below.
  • the indoor heat exchanger 110 includes a refrigerant pipe 111 through which the refrigerant flows.
  • the indoor heat exchanger 110 is a fin tube type heat exchanger. Therefore, the heat transfer fins 112 are connected to the refrigerant pipe 111.
  • the heat transfer fins 112 are arranged at regular intervals.
  • One end of the wiring 21 is connected to the temperature sensor 20.
  • the other end of the wiring 21 is connected to a control device (not shown). Then, the control device (not shown) uses the temperature of the refrigerant pipe 111 detected by the temperature sensor 20 as the temperature of the refrigerant flowing through the refrigerant pipe 111, and controls the refrigeration cycle circuit of the air conditioner 500 and the like.
  • the temperature sensor 20 is provided on the opposite side of the fan 3 with respect to the shielding plate 10.
  • the shield plate 10 is provided between the temperature sensor 20 and the fan 3. Therefore, the shielding plate 10 blocks the flow of air blown from the fan 3 toward the temperature sensor 20. This can prevent the air blown from the fan 3 from directly hitting the temperature sensor 20, and prevent the temperature sensor 20 from erroneously detecting the temperature of the refrigerant pipe 111.
  • the above-mentioned wiring 21, one end of which is connected to the temperature sensor 20, is routed inside the main body 1 and connected to a control device (not shown). Further, the wiring 21 is routed so as to straddle the shielding plate 10. At this time, the portion of the wiring 21 near the end connected to the temperature sensor 20 is routed as shown in FIGS. 5 and 6. In other words, the portion of the wiring 21 arranged on the opposite side of the fan 3 with respect to the shielding plate 10 is routed as shown in FIGS. 5 and 6. Specifically, when the wiring 21 is observed from the end connected to the temperature sensor 20 toward the end connected to the control device, the wiring 21 is arranged on the opposite side of the fan 3 with the shield plate 10 as a reference. The portion of the provided wiring 21 has a portion that extends downward and then extends upward. The portion that extends downward and then upward is disposed above the dew receiving component 30 shown in FIG.
  • the indoor heat exchanger 110 functions as an evaporator
  • the air in the air-conditioned space reaches the dew point temperature when cooled by the indoor heat exchanger 110
  • dew condensation occurs in the indoor heat exchanger 110.
  • the temperature sensor 20 is also cooled by the refrigerant flowing through the refrigerant pipe 111 of the indoor heat exchanger 110
  • dew condensation may occur on the temperature sensor 20 in some cases.
  • the portion of the wiring 21 arranged on the opposite side of the fan 3 with respect to the shielding plate 10 has a portion that extends downward and then extends upward.
  • the portion that extends downward and then extends upward is disposed above the dew receiving component 30. Therefore, when the dew attached to the temperature sensor 20 travels along the wiring 21, the dew drops from the portion extending downward and then upward to the dew receiving component 30. Therefore, the indoor unit 100 according to the present embodiment can prevent dew attached to the temperature sensor 20 from falling into the air-conditioned space.
  • the shielding plate 10 is arranged as shown in FIGS. 5 and 6 so that the wiring 21 can be easily routed when fixing the intermediate portion of the wiring 21 to the shielding plate 10. Is configured.
  • the shield plate 10 includes a plate-shaped main body 11. Further, the main body portion 11 includes a first side edge portion 11a, a second side edge portion 11b, a third side edge portion 11c, and a fourth side edge portion 11d.
  • the first side edge portion 11a is a side edge portion that faces when the wiring 21 straddles the shielding plate 10.
  • the upper side edge of the shielding plate 10 is the first side edge 11a.
  • the second side edge 11b is a side edge opposite to the first side edge 11a. That is, in the present embodiment, the lower side edge portion of the shielding plate 10 becomes the second side edge portion 11b.
  • the third side edge portion 11c and the fourth side edge portion 11d are side edge portions that connect the end portion of the first side edge portion 11a and the end portion of the second side edge portion 11b. That is, in the present embodiment, one of the left side edge portion or the right side edge portion is the third side edge portion 11c, and the other of the left side edge portion or the right side edge portion is the fourth side edge portion 11d.
  • the shielding plate 10 according to the present embodiment closes the gap between both ends of the indoor heat exchanger 110. Therefore, the third side edge portion 11c and the fourth side edge portion 11d of the shield plate 10 are fixed to both ends of the indoor heat exchanger 110 by, for example, screwing.
  • a V-shaped notch 12 that is recessed toward the second side edge 11b is formed in the first side edge 11a.
  • the contact bending process is performed on the first side edge portion 11a at least in the range where the notch 12 is formed. That is, the edge of the notch 12 is closely bent.
  • the contact bending process is a process of bending the end portion by about 180 ° and folding it back.
  • the V-shape is formed. I will call it.
  • the main body portion 11 includes the clamp 13 that fixes the wiring 21 between the notch 12 of the first side edge portion 11a and the second side edge portion 11b.
  • the number of clamps 13 is not particularly limited, but the main body 11 according to the present embodiment includes two clamps 13.
  • the clamp 13 includes a mounting portion 13a and a fixing portion 13b.
  • the attachment portion 13a is a portion attached to the main body portion 11.
  • the attachment portion 13a of the clamp 13 is attached to the main body portion 11 by spot welding or the like.
  • the fixing portion 13b is a portion that fixes the wiring 21.
  • the fixed portion 13b is formed of a flexible material.
  • the wiring 21 is fixed to the clamp 13 by bending the fixing portion 13b and sandwiching the wiring 21. 5 and 6 show a state before the fixing portion 13b is bent. Moreover, the said structure of the fixing
  • the fixing portion 13b is arranged within the width of the cutout 12 in the direction in which the first side edge portion 11a extends. If it demonstrates concretely using FIG. 5, the 1st side edge part 11a is extended in the left-right direction.
  • the left end of the fixed portion 13b is arranged on the right side of the left end of the cutout 12. Further, the right end portion of the fixing portion 13b is arranged on the left side of the right end portion of the cutout 12.
  • the shielding plate 10 configured as described above is attached to the main body 1 by, for example, screwing. That is, in the present embodiment, the main body 1 is a mounted member to which the shield plate 10 is mounted. Specifically, the shield plate 10 includes a foot portion 14 protruding from the first side edge portion 11a. In the present embodiment, the shielding plate 10 has two legs 14. The foot portion 14 projects from a range where the notch 12 of the first side edge portion 11a is not formed. Then, the shielding plate 10 is attached to the main body 1 by attaching the foot 14 to the main body 1 by, for example, screwing.
  • the gap 15 formed between the first side edge portion 11 a and the foot portion 14 is preferably smaller than the diameter of the wiring 21. As will be described later, the work of drawing out the wiring 21 is further facilitated.
  • FIG. 7 and 8 are perspective views of the vicinity of the shield plate of the indoor unit of the air conditioner according to the embodiment of the present invention as seen from the fan side, and are views for explaining a method of fixing wiring to the shield plate. Is. First, as shown in FIG. 7, the wiring 21 is routed above the shielding plate 10 from the side opposite to the fan 3 toward the fan 3. Then, the wiring 21 is hooked on the edge of the cutout 12 of the first side edge portion 11 a of the shielding plate 10.
  • the fixing portion 13b of the clamp 13 is arranged within the width of the notch 12 in the direction in which the first side edge portion 11a extends.
  • the fixing portion 13b of the clamp 13 is arranged within the width of the notch 12 in the direction in which the first side edge portion 11a extends.
  • the wiring 21 on the fan 3 side of the shielding plate 10 is pulled toward the second side edge portion 11b. ..
  • the wiring 21 moves toward the V-shaped valley along the edge of the notch 12 and is guided to the position of the clamp 13. More specifically, the wiring 21 moves toward the V-shaped valley along the edge of the notch 12 and is guided to the position of the fixed portion 13b of the clamp 13.
  • the middle portion of the wiring 21 is fixed to the clamp 13.
  • the wiring 21 is guided to the position of the clamp 13 by pulling the wiring 21 toward the second side edge portion 11b. Therefore, in the indoor unit 100 according to the present embodiment, the wiring work of the wiring 21 when fixing the intermediate portion of the wiring 21 to the shielding plate 10 can be performed more easily than in the conventional case.
  • the edge of the notch 12 is closely bent. Therefore, it is possible to prevent the wiring 21 from being damaged when the wiring 21 is pulled toward the second side edge portion 11b. Therefore, the work of pulling the wiring 21 toward the second side edge portion 11b becomes easier, and the ease of the work of drawing the wiring 21 can be improved.
  • the indoor unit 100 has the indoor heat exchanger 110 having the refrigerant pipe 111 through which the refrigerant flows, the temperature sensor 20 provided in the refrigerant pipe 111, and the fan that blows air to the indoor heat exchanger 110. 3 and a shield plate 10 provided between the temperature sensor 20 and the fan 3 to block the flow of air blown from the fan 3 toward the temperature sensor 20.
  • the shield plate 10 includes a plate-shaped main body portion 11 having a first side edge portion 11a and a second side edge portion 11b which is a side edge portion opposite to the first side edge portion 11a.
  • a V-shaped notch 12 that is recessed toward the second side edge portion 11b is formed in the first side edge portion 11a.
  • the main body portion 11 is provided with a clamp 13 that fixes the wiring 21 connected to the temperature sensor 20 between the notch 12 of the first side edge portion 11a and the second side edge portion 11b.
  • the wiring 21 is hooked on the edge of the V-shaped notch 12 of the first side edge portion 11a, and the wiring 21 is pulled toward the second side edge portion 11b.
  • the wiring 21 moves toward the V-shaped valley along the edge of the notch 12 and is guided to the position of the clamp 13. Therefore, in the indoor unit 100 according to the present embodiment, the middle part of the wiring 21 connected to the temperature sensor can be easily fixed to the clamp 13, and the middle part of the wiring 21 is fixed to the shielding plate 10. In this case, the wiring 21 can be laid out more easily than before.

Abstract

This indoor unit for an air conditioner is provided with: an indoor heat exchanger having refrigerant piping through which a refrigerant flows; a temperature sensor provided to the refrigerant piping; a fan for blowing air toward the indoor heat exchanger; and a blocking plate provided between the temperature sensor and the fan and blocking the flow of air blown from the fan toward the temperature sensor. The blocking plate is provided with a plate-shaped body section having a first side edge section and a second side edge section which is a side edge section on the side opposite the first side edge section. The first side edge section has formed therein a V-shaped cutout recessed toward the second side edge section. The body section is provided with a clamp located between the cutout in the first edge section and the second edge section and affixing wiring connected to the temperature sensor.

Description

空気調和機の室内機Air conditioner indoor unit
　本発明は、室内熱交換器の冷媒配管に温度センサが設けられている空気調和機の室内機に関する。 The present invention relates to an air conditioner indoor unit in which a temperature sensor is provided in a refrigerant pipe of an indoor heat exchanger.
　従来、空気調和機の室内機には、室内熱交換器の冷媒配管に温度センサが設けられたものが存在する。この温度センサが検出する冷媒配管の温度は、冷媒配管に流れる冷媒の温度として、空気調和機の冷凍サイクル回路の制御等に用いられる。このような室内熱交換器の冷媒配管に温度センサが設けられている室内機においては、ファンが吹き出す空気が温度センサに当たる位置に、温度センサが設けられる場合がある。このような場合、温度センサとファンとの間には、ファンから温度センサに向かって吹き出される空気の流れを遮る遮蔽板が設けられる。 Conventionally, some air conditioner indoor units have a temperature sensor installed in the refrigerant pipe of the indoor heat exchanger. The temperature of the refrigerant pipe detected by the temperature sensor is used as the temperature of the refrigerant flowing through the refrigerant pipe for controlling the refrigeration cycle circuit of the air conditioner and the like. In such an indoor unit in which the temperature sensor is provided in the refrigerant pipe of the indoor heat exchanger, the temperature sensor may be provided at a position where the air blown by the fan hits the temperature sensor. In such a case, a shielding plate that blocks the flow of air blown from the fan toward the temperature sensor is provided between the temperature sensor and the fan.
　室内熱交換器の冷媒配管に設けられている温度センサに接続されている配線は、室内機内を引き回され、制御装置に接続される。この際、温度センサに接続されている配線は、遮蔽板を跨ぐように引き回される場合がある。このような場合、温度センサに接続されている配線の途中部は、遮蔽板に固定される。 The wiring connected to the temperature sensor provided in the refrigerant pipe of the indoor heat exchanger is routed inside the indoor unit and connected to the control device. At this time, the wiring connected to the temperature sensor may be routed so as to straddle the shielding plate. In such a case, the middle part of the wiring connected to the temperature sensor is fixed to the shield plate.
　具体的には、温度センサに接続されている配線の途中部は、例えば特許文献１に記載の配線固定部品を用いて、遮蔽板に固定される。特許文献１に記載の配線固定部品は、凹部であるケーブル収納箇所を備えている。ケーブル収納箇所の一端には、ケーブル押え部が設けられている。また、ケーブル収納箇所には、凹部の内部となる位置に、配線を固定するための引掛け部及び突起が設けられている。また、特許文献１に記載の配線固定部品は、例えば遮蔽板等の被取付部材に該配線固定部材を固定する際に用いられる爪部を備えている。 Specifically, the middle part of the wiring connected to the temperature sensor is fixed to the shielding plate using the wiring fixing component described in Patent Document 1, for example. The wiring fixing component described in Patent Document 1 includes a cable storage portion that is a recess. A cable retainer is provided at one end of the cable storage location. Further, a hook portion and a protrusion for fixing the wiring are provided at a position inside the recess at the cable storage location. Further, the wiring fixing component described in Patent Document 1 includes a claw portion used when fixing the wiring fixing member to a member to be attached such as a shielding plate.
　すなわち、特許文献１に記載の配線固定部品を用いて、温度センサに接続されている配線の途中部を遮蔽板に固定する場合、次のような手順となる。まず、引掛け部及び突起で、温度センサに接続されている配線の途中部を配線固定部品の内部に固定する。そして、配線固定部品の爪部を遮蔽板の孔に挿入し、配線固定部品を遮蔽板に固定する。これにより、温度センサに接続されている配線の途中部は、遮蔽板に固定される。このように、特許文献１に記載の配線固定部品を用いて、温度センサに接続されている配線の途中部を遮蔽板に固定した場合、配線固定部品に固定されている配線部分は、配線固定部品に隠れて見えなくなる。 That is, in the case of fixing the middle part of the wiring connected to the temperature sensor to the shielding plate using the wiring fixing component described in Patent Document 1, the procedure is as follows. First, the hook portion and the protrusion fix the middle portion of the wiring connected to the temperature sensor to the inside of the wiring fixing component. Then, the claw portion of the wiring fixing component is inserted into the hole of the shielding plate to fix the wiring fixing component to the shielding plate. As a result, the middle part of the wiring connected to the temperature sensor is fixed to the shield plate. In this way, when the wiring fixing component described in Patent Document 1 is used to fix the middle part of the wiring connected to the temperature sensor to the shield plate, the wiring portion fixed to the wiring fixing component is fixed to the wiring. It disappears because it is hidden by parts.
実開昭６２－１３１４８１号公報Japanese Utility Model Publication No. 62-131481
　上述のように、従来の空気調和機の室内機においては、配線固定部品が遮蔽板に固定された際、配線固定部品に固定されている配線部分は、配線固定部品に隠れて見えなくなる。このため、従来の空気調和機の室内機においては、配線固定部品が遮蔽板に固定された際、温度センサに接続されている配線の途中部が配線固定部品から外れているか否かを確認することが難しい。また、従来の空気調和機の室内機では、配線固定部品が遮蔽板に固定された状態において、温度センサに接続されている配線の途中部が配線固定部品から外れていることを見つけた場合、配線固定部品を遮蔽板から取り外し、配線固定部品に配線を固定し直した後に、配線固定部品を遮蔽板に再度取り付ける必要がある。このように、従来の空気調和機の室内機は、温度センサに接続されている配線の途中部を遮蔽板に固定する際の配線の引き回し作業が難しいという課題があった。 As described above, in the conventional air conditioner indoor unit, when the wiring fixing component is fixed to the shielding plate, the wiring portion fixed to the wiring fixing component is hidden by the wiring fixing component and disappears. Therefore, in the conventional indoor unit of the air conditioner, when the wiring fixing component is fixed to the shielding plate, it is checked whether the middle part of the wiring connected to the temperature sensor is disengaged from the wiring fixing component. Difficult to do. Further, in the conventional air conditioner indoor unit, when it is found that the middle part of the wiring connected to the temperature sensor is removed from the wiring fixing component in the state where the wiring fixing component is fixed to the shielding plate, It is necessary to remove the wiring fixing part from the shielding plate, fix the wiring to the wiring fixing part again, and then attach the wiring fixing part to the shielding plate again. As described above, the indoor unit of the conventional air conditioner has a problem in that it is difficult to route the wiring when fixing the middle part of the wiring connected to the temperature sensor to the shield plate.
　本発明は、上述の課題を解決するためになされたものであり、温度センサに接続されている配線の途中部を遮蔽板に固定する際の配線の引き回し作業を従来よりも容易に行うことが可能な空気調和機の室内機を提供することを目的とする。 The present invention has been made in order to solve the above-mentioned problems, and it is possible to more easily perform the wiring work of the wiring when fixing the intermediate part of the wiring connected to the temperature sensor to the shield plate. It is an object to provide an indoor unit of an air conditioner that can be used.
　本発明に係る空気調和機の室内機は、冷媒が流れる冷媒配管を有する室内熱交換器と、前記冷媒配管に設けられた温度センサと、前記室内熱交換器に空気を吹き出すファンと、前記温度センサと前記ファンとの間に設けられ、前記ファンから前記温度センサに向かって吹き出される空気の流れを遮る遮蔽板と、を備え、前記遮蔽板は、第１側縁部と該第１側縁部の反対側の側縁部である第２側縁部とを有する板状の本体部を備え、前記第１側縁部には、前記第２側縁部に向かって凹むＶ字状の切り欠きが形成されており、前記本体部は、前記第１側縁部の前記切り欠きと前記第２側縁部との間に、前記温度センサに接続された配線を固定するクランプを備えている。 The indoor unit of the air conditioner according to the present invention has an indoor heat exchanger having a refrigerant pipe through which a refrigerant flows, a temperature sensor provided in the refrigerant pipe, a fan that blows air into the indoor heat exchanger, and the temperature. A shielding plate that is provided between the sensor and the fan and that blocks a flow of air blown from the fan toward the temperature sensor, the shielding plate having a first side edge portion and the first side. A plate-shaped main body having a second side edge that is a side edge opposite to the edge is provided, and the first side edge has a V-shape that is recessed toward the second side edge. A notch is formed, and the main body part is provided with a clamp for fixing the wiring connected to the temperature sensor between the notch and the second side edge part of the first side edge part. There is.
　本発明に係る空気調和機の室内機においては、温度センサに接続されている配線を第１側縁部のＶ字状の切り欠きの縁に引っ掛け、該配線を第２側縁部に向かって引っ張る。これにより、温度センサに接続されている配線は、切り欠きの縁に沿ってＶ字形状の谷の方へ移動し、クランプの位置へ誘導される。このため、本発明に係る空気調和機の室内機は、温度センサに接続されている配線の途中部をクランプに容易に固定することができ、温度センサに接続されている配線の途中部を遮蔽板に固定する際の配線の引き回し作業を従来よりも容易に行うことができる。 In the indoor unit of the air conditioner according to the present invention, the wiring connected to the temperature sensor is hooked on the edge of the V-shaped notch of the first side edge portion, and the wiring is directed toward the second side edge portion. pull. As a result, the wiring connected to the temperature sensor moves toward the V-shaped valley along the edge of the cutout and is guided to the clamp position. Therefore, the indoor unit of the air conditioner according to the present invention can easily fix the middle part of the wiring connected to the temperature sensor to the clamp, and shields the middle part of the wiring connected to the temperature sensor. Wiring work for fixing to the plate can be performed more easily than before.
本発明の実施の形態に係る室内機を備えた空気調和機の一例を示す冷媒回路図である。It is a refrigerant circuit diagram showing an example of an air conditioner provided with an indoor unit concerning an embodiment of the invention. 本発明の実施の形態に係る空気調和機の室内機を下方から見た斜視図である。It is the perspective view which looked at the indoor unit of the air conditioner concerning an embodiment of the invention from the lower part. 本発明の実施の形態に係る空気調和機の室内機の縦断面図である。It is a longitudinal cross-sectional view of the indoor unit of the air conditioner which concerns on embodiment of this invention. 本発明の実施の形態に係る空気調和機の室内機の内部を該室内機の下方から見た斜視図である。It is the perspective view which looked at the inside of the indoor unit of the air harmony machine concerning an embodiment of the invention from the lower part of the indoor unit. 本発明の実施の形態に係る室内機の遮蔽板周辺をファン側から見た斜視図であり、当該遮蔽板周辺を下方から見た図である。It is the perspective view which looked at the shielding plate circumference of the indoor unit concerning an embodiment of the invention from the fan side, and is the figure which looked at the shielding plate circumference from the lower part. 本発明の実施の形態に係る室内機の遮蔽板周辺をファンとは反対側から見た斜視図であり、当該遮蔽板周辺を下方から見た図である。It is the perspective view which looked at the shielding plate circumference of the indoor unit concerning an embodiment of the invention from the side opposite to a fan, and is the figure which looked at the shielding plate circumference from the lower part. 本発明の実施の形態に係る空気調和機の室内機の遮蔽板周辺をファン側から見た斜視図であり、遮蔽板への配線の固定方法を説明するための図である。FIG. 6 is a perspective view of the vicinity of the shield plate of the indoor unit of the air conditioner according to the embodiment of the present invention as viewed from the fan side, and a diagram for explaining a method of fixing wiring to the shield plate. 本発明の実施の形態に係る空気調和機の室内機の遮蔽板周辺をファン側から見た斜視図であり、遮蔽板への配線の固定方法を説明するための図である。FIG. 6 is a perspective view of the vicinity of the shield plate of the indoor unit of the air conditioner according to the embodiment of the present invention as viewed from the fan side, and a diagram for explaining a method of fixing wiring to the shield plate.
　以下の実施の形態で、本発明に係る空気調和機の室内機の一例について、図面等を参照しながら説明する。なお、以下の各図面において、同一の符号を付した構成は、同一又はこれに相当する構成である。また、以下の実施の形態で記載されている各構成の形態は、あくまでも例示である。本発明に係る空気調和機の室内機は、以下の実施の形態で記載されている構成に限定されるものではない。また、以下では、図における上方を「上側」とし、下方を「下側」として説明する。また、以下の各図面では、各構成部材の大きさの関係が本発明を実施した実物とは異なる場合がある。 An example of an indoor unit of an air conditioner according to the present invention will be described in the following embodiments with reference to the drawings and the like. In addition, in each of the following drawings, configurations denoted by the same reference numerals are configurations that are the same or equivalent. The form of each configuration described in the following embodiments is merely an example. The indoor unit of the air conditioner according to the present invention is not limited to the configurations described in the following embodiments. Further, in the following description, the upper side in the drawing will be referred to as “upper side” and the lower side will be referred to as “lower side”. Further, in each of the following drawings, the size relationship of each component may be different from the actual product in which the present invention is implemented.
実施の形態．
　図１は、本発明の実施の形態に係る室内機を備えた空気調和機の一例を示す冷媒回路図である。なお、図１に示す実線の矢印は、冷房運転時の冷媒の流れ方向を示している。また、図１に示す破線の矢印は、暖房運転時の冷媒の流れを示している。
　空気調和機５００は、室内機１００と、室外機２００とを備えている。室内機１００と室外機２００とは、ガス冷媒配管３００及び液冷媒配管４００により配管接続されている。室内機１００は、室内熱交換器１１０を有している。室外機２００は、圧縮機２１０、四方弁２２０、室外熱交換器２３０及び膨張弁２４０を有している。 Embodiment.
FIG. 1 is a refrigerant circuit diagram showing an example of an air conditioner including an indoor unit according to an embodiment of the present invention. In addition, the solid arrow shown in FIG. 1 indicates the flow direction of the refrigerant during the cooling operation. The broken line arrow shown in FIG. 1 indicates the flow of the refrigerant during the heating operation.
The air conditioner 500 includes an indoor unit 100 and an outdoor unit 200. The indoor unit 100 and the outdoor unit 200 are connected by a gas refrigerant pipe 300 and a liquid refrigerant pipe 400. The indoor unit 100 has an indoor heat exchanger 110. The outdoor unit 200 has a compressor 210, a four-way valve 220, an outdoor heat exchanger 230, and an expansion valve 240.
　圧縮機２１０は、吸入した冷媒を圧縮して吐出する。ここで、特に限定するものではないが、圧縮機２１０は、例えばインバータ回路等によって運転周波数を任意に変化させることにより、圧縮機２１０の容量を変化させることができるようにしてもよい。なお、圧縮機２１０の容量とは、単位時間あたりの冷媒を送り出す量を表すものである。四方弁２２０は、例えば冷房運転時と暖房運転時とによって冷媒の流れを切り換える弁である。 The compressor 210 compresses the drawn refrigerant and discharges it. Here, although not particularly limited, the compressor 210 may be configured to be able to change the capacity of the compressor 210 by arbitrarily changing the operating frequency by, for example, an inverter circuit or the like. The capacity of the compressor 210 represents the amount of refrigerant discharged per unit time. The four-way valve 220 is a valve that switches the flow of the refrigerant depending on, for example, a cooling operation and a heating operation.
　室外熱交換器２３０は、冷媒と室外空気との熱交換を行う。室外熱交換器２３０は、暖房運転時においては蒸発器として機能し、冷媒を蒸発させて気化させる。また、室外熱交換器２３０は、冷房運転時においては凝縮器として機能し、冷媒を凝縮して液化させる。 The outdoor heat exchanger 230 exchanges heat between the refrigerant and the outdoor air. The outdoor heat exchanger 230 functions as an evaporator during heating operation, and evaporates and evaporates the refrigerant. Further, the outdoor heat exchanger 230 functions as a condenser during the cooling operation and condenses and liquefies the refrigerant.
　膨張弁２４０は、例えば絞り装置等であり、冷媒を減圧して膨張させる。例えば、電子式膨張弁等で膨張弁２４０を構成した場合には、膨張弁２４０は、図示せぬ制御装置等の指示に基づいて開度調整が行われる。室内熱交換器１１０は、空調対象空間の空気と冷媒との熱交換を行う。室内熱交換器１１０は、暖房運転時においては凝縮器として機能し、冷媒を凝縮して液化させる。また、室内熱交換器１１０は、冷房運転時においては蒸発器として機能し、冷媒を蒸発させて気化させる。 The expansion valve 240 is, for example, a throttle device, and decompresses the refrigerant to expand it. For example, when the expansion valve 240 is composed of an electronic expansion valve or the like, the opening degree of the expansion valve 240 is adjusted based on an instruction from a control device (not shown) or the like. The indoor heat exchanger 110 exchanges heat between the air in the air-conditioned space and the refrigerant. The indoor heat exchanger 110 functions as a condenser during heating operation and condenses and liquefies the refrigerant. In addition, the indoor heat exchanger 110 functions as an evaporator during the cooling operation, and evaporates and evaporates the refrigerant.
　すなわち、空気調和機５００の冷凍サイクル回路は、圧縮機２１０、四方弁２２０、室外熱交換器２３０、膨張弁２４０及び室内熱交換器１１０により構成されている。以上のように空気調和機５００を構成することで、室外機２００の四方弁２２０により冷媒の流れを切り換えることで、暖房運転及び冷房運転を実現することができる。 That is, the refrigeration cycle circuit of the air conditioner 500 is composed of the compressor 210, the four-way valve 220, the outdoor heat exchanger 230, the expansion valve 240, and the indoor heat exchanger 110. By configuring the air conditioner 500 as described above, the heating operation and the cooling operation can be realized by switching the flow of the refrigerant by the four-way valve 220 of the outdoor unit 200.
　図２は、本発明の実施の形態に係る空気調和機の室内機を下方から見た斜視図である。図３は、本発明の実施の形態に係る空気調和機の室内機の縦断面図である。また、図４は、本発明の実施の形態に係る空気調和機の室内機の内部を該室内機の下方から見た斜視図である。換言すると、図４は、化粧パネル２が取り外された状態の室内機１００を下方から見た図となっている。なお、図３に示す先端黒塗りの矢印は、室内機１００内の空気の流れを示している。 FIG. 2 is a perspective view of the indoor unit of the air conditioner according to the embodiment of the present invention as seen from below. FIG. 3 is a vertical cross-sectional view of the indoor unit of the air conditioner according to the embodiment of the present invention. FIG. 4 is a perspective view of the inside of the indoor unit of the air conditioner according to the embodiment of the present invention as seen from below the indoor unit. In other words, FIG. 4 is a view of the indoor unit 100 with the decorative panel 2 removed, as seen from below. In addition, the arrow with the black tip shown in FIG. 3 indicates the flow of air in the indoor unit 100.
　本実施の形態に係る室内機１００は、４方向に空気を吹き出す４方向吹出型の室内機であり、部屋等の空調対象空間の天井に埋め込まれて、あるいは空調対象空間の天井に吊り下げられて設置されるものである。この室内機１００は、該室内機１００の外郭を構成する部品として、本体部１及び化粧パネル２を備えている。本体部１は、略直方体形状の箱体である。本体部１は、天井に設置された際に下面となる面に開口部が形成されている。化粧パネル２は、本体部１の開口部を覆うように、本体部１に取り付けられている。化粧パネル２には、略中央部に、吸込口２ａが形成されている。また、化粧パネル２には、吸込口２ａを囲むように、４つの吹出口２ｂが形成されている。 The indoor unit 100 according to the present embodiment is a four-direction blow-out type indoor unit that blows air in four directions, and is embedded in the ceiling of the air conditioning target space such as a room or is hung on the ceiling of the air conditioning target space. It is installed by. The indoor unit 100 includes a main body 1 and a decorative panel 2 as components that form an outer shell of the indoor unit 100. The main body 1 is a box body having a substantially rectangular parallelepiped shape. The main body 1 has an opening formed on a surface that becomes a lower surface when installed on the ceiling. The decorative panel 2 is attached to the main body 1 so as to cover the opening of the main body 1. The decorative panel 2 has a suction port 2a formed substantially in the center thereof. Further, the decorative panel 2 is formed with four outlets 2b so as to surround the inlet 2a.
　また、本体部１の内部には、吸込口２ａと対向する位置に、例えばターボファン等の遠心ファンであるファン３が設けられている。ファン３は、空調対象空間の空気を吸込口２ａから本体部１内に吸い込み、室内熱交換器１１０へ吹き出すものである。また、本体部１の内部には、ファン３を囲むように、室内熱交換器１１０が設けられている。室内熱交換器１１０は、該室内熱交換器１１０の内部に流れる冷媒と、ファン３によって本体部１内に吸い込まれた空調対象空間の空気とを、熱交換させるものである。 A fan 3, which is a centrifugal fan such as a turbo fan, is provided inside the main body 1 at a position facing the suction port 2a. The fan 3 sucks the air in the air-conditioned space into the main body 1 through the suction port 2a and blows it out to the indoor heat exchanger 110. Further, an indoor heat exchanger 110 is provided inside the main body 1 so as to surround the fan 3. The indoor heat exchanger 110 exchanges heat between the refrigerant flowing inside the indoor heat exchanger 110 and the air in the air-conditioned space sucked into the main body 1 by the fan 3.
　室内熱交換器１１０は、平面視において、吸込口２ａの外周側であり、吹出口２ｂの内周側となる位置に配置されている。このため、図３に先端黒塗りの矢印で示すように、ファン３が回転することによって、空調対象空間の空気は、吸込口２ａから本体部１内に吸い込まれ、室内熱交換器１１０に流入する構成となっている。また、室内熱交換器１１０に流入した空調対象空間の空気は、室内熱交換器１１０を通る際に該室内熱交換器１１０の内部を流れる冷媒と熱交換し、吹出口２ｂから空調対象空間へ吹き出される構成となっている。なお、室内熱交換器１１０が蒸発器として機能する際、空調対象空間の空気が室内熱交換器１１０で冷却されたときに露点温度に達し、室内熱交換器１１０に結露が発生する場合がある。そして、室内熱交換器１１０に付着している露が、室内熱交換器１１０から落下する場合がある。このため、室内熱交換器１１０の下方には、室内熱交換器１１０から落下した露を受ける露受け部品３０が設けられている。 The indoor heat exchanger 110 is arranged at a position on the outer peripheral side of the suction port 2a and on the inner peripheral side of the air outlet 2b in a plan view. Therefore, as shown by an arrow with a black tip in FIG. 3, as the fan 3 rotates, the air in the air-conditioned space is sucked into the main body 1 from the suction port 2a and flows into the indoor heat exchanger 110. It is configured to do. Further, the air in the air conditioning target space that has flowed into the indoor heat exchanger 110 exchanges heat with the refrigerant flowing inside the indoor heat exchanger 110 when passing through the indoor heat exchanger 110, and flows from the air outlet 2b to the air conditioning target space. It is designed to be blown out. In addition, when the indoor heat exchanger 110 functions as an evaporator, when the air in the air-conditioned space reaches the dew point temperature when cooled by the indoor heat exchanger 110, dew condensation may occur in the indoor heat exchanger 110. .. Then, the dew attached to the indoor heat exchanger 110 may fall from the indoor heat exchanger 110. Therefore, below the indoor heat exchanger 110, the dew receiving component 30 that receives dew falling from the indoor heat exchanger 110 is provided.
　また、本体部１の内部には、ファン３から吹き出された空気が室内熱交換器１１０を通過せずに吹出口２ｂから吹き出されることを防止するため、室内熱交換器１１０の両端部の間には、室内熱交換器１１０の両端部の間の隙間を塞ぐ遮蔽板１０が設けられている。 In addition, in order to prevent the air blown from the fan 3 from being blown out from the outlet 2 b without passing through the indoor heat exchanger 110 inside the main body part 1, A shield plate 10 that closes a gap between both ends of the indoor heat exchanger 110 is provided therebetween.
　図５は、本発明の実施の形態に係る室内機の遮蔽板周辺をファン側から見た斜視図であり、当該遮蔽板周辺を下方から見た図である。また、図６は、本発明の実施の形態に係る室内機の遮蔽板周辺をファンとは反対側から見た斜視図であり、当該遮蔽板周辺を下方から見た図である。
　室内熱交換器１１０は、冷媒が流れる冷媒配管１１１を備えている。また、本実施の形態では、室内熱交換器１１０は、フィンチューブ型の熱交換器となっている。このため、冷媒配管１１１には、複数の伝熱フィン１１２が接続されている。伝熱フィン１１２のそれぞれは、規定の間隔を空けて並べられている。 FIG. 5 is a perspective view of the vicinity of the shield plate of the indoor unit according to the embodiment of the present invention as seen from the fan side, and is a view of the periphery of the shield plate as seen from below. Further, FIG. 6 is a perspective view of the periphery of the shield plate of the indoor unit according to the embodiment of the present invention as viewed from the side opposite to the fan, and is a view of the periphery of the shield plate from below.
The indoor heat exchanger 110 includes a refrigerant pipe 111 through which the refrigerant flows. In addition, in the present embodiment, the indoor heat exchanger 110 is a fin tube type heat exchanger. Therefore, the heat transfer fins 112 are connected to the refrigerant pipe 111. The heat transfer fins 112 are arranged at regular intervals.
　室内熱交換器１１０の冷媒配管１１１には、例えばサーミスタである温度センサ２０が設けられている。この温度センサ２０には、配線２１の一端が接続されている。配線２１の他端は、図示せぬ制御装置に接続されている。そして、図示せぬ制御装置は、温度センサ２０が検出する冷媒配管１１１の温度を冷媒配管１１１に流れる冷媒の温度として用い、空気調和機５００の冷凍サイクル回路の制御等を行う。 A temperature sensor 20, which is, for example, a thermistor, is provided in the refrigerant pipe 111 of the indoor heat exchanger 110. One end of the wiring 21 is connected to the temperature sensor 20. The other end of the wiring 21 is connected to a control device (not shown). Then, the control device (not shown) uses the temperature of the refrigerant pipe 111 detected by the temperature sensor 20 as the temperature of the refrigerant flowing through the refrigerant pipe 111, and controls the refrigeration cycle circuit of the air conditioner 500 and the like.
　また、温度センサ２０は、遮蔽板１０を基準として、ファン３とは反対側に設けられている。換言すると、遮蔽板１０は、温度センサ２０とファン３との間に設けられている。このため、遮蔽板１０は、ファン３から温度センサ２０に向かって吹き出される空気の流れを遮る。これにより、ファン３から吹き出される空気が温度センサ２０に直接当たることを防止でき、温度センサ２０が冷媒配管１１１の温度を誤検出することを防止できる。 Further, the temperature sensor 20 is provided on the opposite side of the fan 3 with respect to the shielding plate 10. In other words, the shield plate 10 is provided between the temperature sensor 20 and the fan 3. Therefore, the shielding plate 10 blocks the flow of air blown from the fan 3 toward the temperature sensor 20. This can prevent the air blown from the fan 3 from directly hitting the temperature sensor 20, and prevent the temperature sensor 20 from erroneously detecting the temperature of the refrigerant pipe 111.
　温度センサ２０に一端が接続された上述の配線２１は、本体部１内を引き回され、図示せぬ制御装置に接続される。また、配線２１は、遮蔽板１０を跨ぐように引き回されている。この際、配線２１における温度センサ２０と接続されている端部近傍の部分は、図５及び図６に示すように引き回されている。換言すると、遮蔽板１０を基準としてファン３とは反対側に配置されている配線２１の部分は、図５及び図６に示すように引き回されている。詳しくは、温度センサ２０と接続されている端部から制御装置と接続されている端部に向かって配線２１を観察していった際、遮蔽板１０を基準としてファン３とは反対側に配置されている配線２１の部分は、下方向へ延びた後に上方へ延びる箇所を有している。そして、下方向へ延びた後に上方へ延びる箇所は、図３で示した露受け部品３０の上方に配置されている。 The above-mentioned wiring 21, one end of which is connected to the temperature sensor 20, is routed inside the main body 1 and connected to a control device (not shown). Further, the wiring 21 is routed so as to straddle the shielding plate 10. At this time, the portion of the wiring 21 near the end connected to the temperature sensor 20 is routed as shown in FIGS. 5 and 6. In other words, the portion of the wiring 21 arranged on the opposite side of the fan 3 with respect to the shielding plate 10 is routed as shown in FIGS. 5 and 6. Specifically, when the wiring 21 is observed from the end connected to the temperature sensor 20 toward the end connected to the control device, the wiring 21 is arranged on the opposite side of the fan 3 with the shield plate 10 as a reference. The portion of the provided wiring 21 has a portion that extends downward and then extends upward. The portion that extends downward and then upward is disposed above the dew receiving component 30 shown in FIG.
　上述のように、室内熱交換器１１０が蒸発器として機能する際、空調対象空間の空気が室内熱交換器１１０で冷却されたときに露点温度に達し、室内熱交換器１１０に結露が発生する場合がある。温度センサ２０も室内熱交換器１１０の冷媒配管１１１を流れる冷媒で冷却されるので、温度センサ２０にも結露が発生する場合がある。この際、温度センサ２０に付着した露が配線２１を伝って移動し、空調対象空間に落下することが懸念される。しかしながら、本実施の形態では、遮蔽板１０を基準としてファン３とは反対側に配置されている配線２１の部分は、下方向へ延びた後に上方へ延びる箇所を有している。そして、下方向へ延びた後に上方へ延びる箇所は、露受け部品３０の上方に配置されている。このため、温度センサ２０に付着した露が配線２１を伝って移動した際、この露は、下方向へ延びた後に上方へ延びる箇所から、露受け部品３０に落下する。したがって、本実施の形態に係る室内機１００は、温度センサ２０に付着した露が空調対象空間に落下することを防止できる。 As described above, when the indoor heat exchanger 110 functions as an evaporator, when the air in the air-conditioned space reaches the dew point temperature when cooled by the indoor heat exchanger 110, dew condensation occurs in the indoor heat exchanger 110. There are cases. Since the temperature sensor 20 is also cooled by the refrigerant flowing through the refrigerant pipe 111 of the indoor heat exchanger 110, dew condensation may occur on the temperature sensor 20 in some cases. At this time, there is a concern that dew attached to the temperature sensor 20 moves along the wiring 21 and falls into the air-conditioned space. However, in the present embodiment, the portion of the wiring 21 arranged on the opposite side of the fan 3 with respect to the shielding plate 10 has a portion that extends downward and then extends upward. The portion that extends downward and then extends upward is disposed above the dew receiving component 30. Therefore, when the dew attached to the temperature sensor 20 travels along the wiring 21, the dew drops from the portion extending downward and then upward to the dew receiving component 30. Therefore, the indoor unit 100 according to the present embodiment can prevent dew attached to the temperature sensor 20 from falling into the air-conditioned space.
　また、配線２１の途中部は、遮蔽板１０を跨いだ後、遮蔽板１０に固定されている。本実施の形態に係る室内機１００においては、配線２１の途中部を遮蔽板１０に固定する際の配線２１の引き回し作業が容易となるように、遮蔽板１０を図５及び図６に示すように構成している。 Moreover, an intermediate part of the wiring 21 is fixed to the shielding plate 10 after straddling the shielding plate 10. In the indoor unit 100 according to the present embodiment, the shielding plate 10 is arranged as shown in FIGS. 5 and 6 so that the wiring 21 can be easily routed when fixing the intermediate portion of the wiring 21 to the shielding plate 10. Is configured.
　詳しくは、遮蔽板１０は、板状の本体部１１を備えている。また、本体部１１は、第１側縁部１１ａ、第２側縁部１１ｂ、第３側縁部１１ｃ、及び第４側縁部１１ｄを備えている。第１側縁部１１ａは、配線２１が遮蔽板１０を跨ぐ際に対向する側縁部である。本実施の形態では、遮蔽板１０の上部側縁部が、第１側縁部１１ａとなっている。第２側縁部１１ｂは、第１側縁部１１ａの反対側の側縁部である。すなわち、本実施の形態では、遮蔽板１０の下部側縁部が、第２側縁部１１ｂとなる。 Specifically, the shield plate 10 includes a plate-shaped main body 11. Further, the main body portion 11 includes a first side edge portion 11a, a second side edge portion 11b, a third side edge portion 11c, and a fourth side edge portion 11d. The first side edge portion 11a is a side edge portion that faces when the wiring 21 straddles the shielding plate 10. In the present embodiment, the upper side edge of the shielding plate 10 is the first side edge 11a. The second side edge 11b is a side edge opposite to the first side edge 11a. That is, in the present embodiment, the lower side edge portion of the shielding plate 10 becomes the second side edge portion 11b.
　第３側縁部１１ｃ及び第４側縁部１１ｄは、第１側縁部１１ａの端部と第２側縁部１１ｂの端部とを接続する側縁部である。すなわち、本実施の形態では、左側側縁部又は右側側縁部のうちの一方が第３側縁部１１ｃとなり、左側側縁部又は右側側縁部のうちの他方が第４側縁部１１ｄとなる。上述のように、本実施の形態に係る遮蔽板１０は、室内熱交換器１１０の両端部の間の隙間を塞いでいる。このため、遮蔽板１０の第３側縁部１１ｃ及び第４側縁部１１ｄは、室内熱交換器１１０の両端部に、例えばネジ止めにより固定されている。 The third side edge portion 11c and the fourth side edge portion 11d are side edge portions that connect the end portion of the first side edge portion 11a and the end portion of the second side edge portion 11b. That is, in the present embodiment, one of the left side edge portion or the right side edge portion is the third side edge portion 11c, and the other of the left side edge portion or the right side edge portion is the fourth side edge portion 11d. Becomes As described above, the shielding plate 10 according to the present embodiment closes the gap between both ends of the indoor heat exchanger 110. Therefore, the third side edge portion 11c and the fourth side edge portion 11d of the shield plate 10 are fixed to both ends of the indoor heat exchanger 110 by, for example, screwing.
　ここで、本実施の形態に係る遮蔽板１０においては、第１側縁部１１ａに、第２側縁部１１ｂに向かって凹むＶ字状の切り欠き１２が形成されている。また、本実施の形態では、第１側縁部１１ａには、少なくとも切り欠き１２が形成されている範囲に、密着曲げ加工が施されている。すなわち、切り欠き１２の縁には密着曲げ加工が施されている。密着曲げ加工とは、端部を約１８０°折り曲げて折り返す加工をいう。なお、本実施の形態では、Ｖ字形状の谷部部分等の一部が曲線形状となっている場合でも、谷部に向かうにしたがって第２側縁部１１ｂ側に近づいていれば、Ｖ字状と称することとする。 Here, in the shielding plate 10 according to the present embodiment, a V-shaped notch 12 that is recessed toward the second side edge 11b is formed in the first side edge 11a. Further, in the present embodiment, the contact bending process is performed on the first side edge portion 11a at least in the range where the notch 12 is formed. That is, the edge of the notch 12 is closely bent. The contact bending process is a process of bending the end portion by about 180 ° and folding it back. In the present embodiment, even when a part of the V-shaped valley portion or the like has a curved shape, if it approaches the second side edge portion 11b side toward the valley portion, the V-shape is formed. I will call it.
　また、本実施の形態に係る遮蔽板１０においては、本体部１１は、第１側縁部１１ａの切り欠き１２と第２側縁部１１ｂとの間に、配線２１を固定するクランプ１３を備えている。クランプ１３の数は特に限定されないが、本実施の形態に係る本体部１１は、２つのクランプ１３を備えている。このクランプ１３は、取付部１３ａ及び固定部１３ｂを備えている。取付部１３ａは、本体部１１に取り付けられる箇所である。本実施の形態では、スポット溶接等により、クランプ１３の取付部１３ａが本体部１１に取り付けられている。固定部１３ｂは、配線２１を固定する部分である。固定部１３ｂは、可撓性を有する材料で形成されている。固定部１３ｂを折り曲げて、配線２１を挟み込むことにより、配線２１はクランプ１３に固定される。なお、図５及び図６は、固定部１３ｂを折り曲げる前の状態を示している。また、固定部１３ｂの当該構成は、あくまでも一例である。固定部１３ｂの構成は、配線２１を固定することができれば、当該構成に限定されない。 Further, in the shielding plate 10 according to the present embodiment, the main body portion 11 includes the clamp 13 that fixes the wiring 21 between the notch 12 of the first side edge portion 11a and the second side edge portion 11b. ing. The number of clamps 13 is not particularly limited, but the main body 11 according to the present embodiment includes two clamps 13. The clamp 13 includes a mounting portion 13a and a fixing portion 13b. The attachment portion 13a is a portion attached to the main body portion 11. In the present embodiment, the attachment portion 13a of the clamp 13 is attached to the main body portion 11 by spot welding or the like. The fixing portion 13b is a portion that fixes the wiring 21. The fixed portion 13b is formed of a flexible material. The wiring 21 is fixed to the clamp 13 by bending the fixing portion 13b and sandwiching the wiring 21. 5 and 6 show a state before the fixing portion 13b is bent. Moreover, the said structure of the fixing | fixed part 13b is an example to the last. The configuration of the fixing portion 13b is not limited to that configuration as long as the wiring 21 can be fixed.
　また、本実施の形態では、第１側縁部１１ａが延びる方向において、固定部１３ｂは、切り欠き１２の幅の中に配置されている。図５を用いて具体的に説明すると、第１側縁部１１ａは左右方向に延びている。固定部１３ｂの左側端部は、切り欠き１２の左側端部よりも右側に配置されている。また、固定部１３ｂの右側端部は、切り欠き１２の右側端部よりも左側に配置されている。 Further, in the present embodiment, the fixing portion 13b is arranged within the width of the cutout 12 in the direction in which the first side edge portion 11a extends. If it demonstrates concretely using FIG. 5, the 1st side edge part 11a is extended in the left-right direction. The left end of the fixed portion 13b is arranged on the right side of the left end of the cutout 12. Further, the right end portion of the fixing portion 13b is arranged on the left side of the right end portion of the cutout 12.
　上述のように構成された遮蔽板１０は、本体部１に例えばネジ止め等によって取り付けられている。すなわち、本実施の形態では、本体部１が、遮蔽板１０が取り付けられる被取付部材となっている。具体的には、遮蔽板１０は、第１側縁部１１ａから突出する足部１４を備えている。本実施の形態では、遮蔽板１０は、２つの足部１４を備えている。足部１４は、第１側縁部１１ａの切り欠き１２が形成されていない範囲から突出している。そして、足部１４が例えばネジ止め等によって本体部１に取り付けられることにより、遮蔽板１０が本体部１に取り付けられることとなる。なお、第１側縁部１１ａと足部１４との間に形成される隙間１５は、配線２１の直径よりも小さいことが好ましい。後述のように、配線２１の引き回し作業がさらに容易となる。 The shielding plate 10 configured as described above is attached to the main body 1 by, for example, screwing. That is, in the present embodiment, the main body 1 is a mounted member to which the shield plate 10 is mounted. Specifically, the shield plate 10 includes a foot portion 14 protruding from the first side edge portion 11a. In the present embodiment, the shielding plate 10 has two legs 14. The foot portion 14 projects from a range where the notch 12 of the first side edge portion 11a is not formed. Then, the shielding plate 10 is attached to the main body 1 by attaching the foot 14 to the main body 1 by, for example, screwing. The gap 15 formed between the first side edge portion 11 a and the foot portion 14 is preferably smaller than the diameter of the wiring 21. As will be described later, the work of drawing out the wiring 21 is further facilitated.
　続いて、遮蔽板１０への配線２１の固定方法について説明する。 Next, a method of fixing the wiring 21 to the shield plate 10 will be described.
　図７及び図８は、本発明の実施の形態に係る空気調和機の室内機の遮蔽板周辺をファン側から見た斜視図であり、遮蔽板への配線の固定方法を説明するための図である。
　まず、図７に示すように、ファン３とは反対側からファン３側へ向かって、遮蔽板１０の上方に配線２１を引き回す。そして、遮蔽板１０の第１側縁部１１ａの切り欠き１２の縁に、配線２１を引っ掛ける。 7 and 8 are perspective views of the vicinity of the shield plate of the indoor unit of the air conditioner according to the embodiment of the present invention as seen from the fan side, and are views for explaining a method of fixing wiring to the shield plate. Is.
First, as shown in FIG. 7, the wiring 21 is routed above the shielding plate 10 from the side opposite to the fan 3 toward the fan 3. Then, the wiring 21 is hooked on the edge of the cutout 12 of the first side edge portion 11 a of the shielding plate 10.
　ここで、本実施の形態では、第１側縁部１１ａが延びる方向において、クランプ１３の固定部１３ｂは、切り欠き１２の幅の中に配置されている。このように切り欠き１２の幅を大きく確保することにより、配線２１に切り欠き１２の縁に引っ掛けることが容易となり、配線２１の引き回し作業の容易性を向上させることができる。また、第１側縁部１１ａと足部１４との間に形成される隙間１５を配線２１の直径よりも小さくすることにより、第１側縁部１１ａの切り欠き１２の縁に配線２１を引っ掛ける際、第１側縁部１１ａと足部１４との間に配線２１が入り込んでしまうことを防止できる。このため、第１側縁部１１ａと足部１４との間に形成される隙間１５を配線２１の直径よりも小さくすることによっても、配線２１の引き回し作業の容易性を向上させることができる。 Here, in the present embodiment, the fixing portion 13b of the clamp 13 is arranged within the width of the notch 12 in the direction in which the first side edge portion 11a extends. By ensuring a large width of the notch 12 in this manner, it becomes easy to hook the wiring 21 on the edge of the notch 12, and it is possible to improve the ease of drawing the wiring 21. Further, by making the gap 15 formed between the first side edge portion 11a and the foot portion 14 smaller than the diameter of the wiring 21, the wiring 21 is hooked on the edge of the notch 12 of the first side edge portion 11a. At this time, it is possible to prevent the wiring 21 from entering between the first side edge portion 11a and the foot portion 14. Therefore, by making the gap 15 formed between the first side edge portion 11a and the foot portion 14 smaller than the diameter of the wiring 21, it is possible to improve the easiness of the wiring work of the wiring 21.
　第１側縁部１１ａの切り欠き１２の縁に配線２１を引っ掛けた後、図８に示すように、遮蔽板１０よりもファン３側の配線２１を、第２側縁部１１ｂに向かって引っ張る。これにより、配線２１は、切り欠き１２の縁に沿ってＶ字形状の谷の方へ移動し、クランプ１３の位置へ誘導される。より詳しくは、配線２１は、切り欠き１２の縁に沿ってＶ字形状の谷の方へ移動し、クランプ１３の固定部１３ｂの位置へ誘導される。最後に、クランプ１３の固定部１３ｂを折り曲げることにより、配線２１の途中部はクランプ１３に固定される。このように、本実施の形態に係る室内機１００においては、配線２１を第２側縁部１１ｂに向かって引っ張ることにより、配線２１がクランプ１３の位置へ誘導される。このため、本実施の形態に係る室内機１００は、配線２１の途中部を遮蔽板１０に固定する際の配線２１の引き回し作業を、従来よりも容易に行うことができる。 After hooking the wiring 21 on the edge of the cutout 12 of the first side edge portion 11a, as shown in FIG. 8, the wiring 21 on the fan 3 side of the shielding plate 10 is pulled toward the second side edge portion 11b. .. As a result, the wiring 21 moves toward the V-shaped valley along the edge of the notch 12 and is guided to the position of the clamp 13. More specifically, the wiring 21 moves toward the V-shaped valley along the edge of the notch 12 and is guided to the position of the fixed portion 13b of the clamp 13. Finally, by bending the fixing portion 13b of the clamp 13, the middle portion of the wiring 21 is fixed to the clamp 13. Thus, in the indoor unit 100 according to the present embodiment, the wiring 21 is guided to the position of the clamp 13 by pulling the wiring 21 toward the second side edge portion 11b. Therefore, in the indoor unit 100 according to the present embodiment, the wiring work of the wiring 21 when fixing the intermediate portion of the wiring 21 to the shielding plate 10 can be performed more easily than in the conventional case.
　ここで、本実施の形態では、切り欠き１２に縁に密着曲げ加工が施されている。このため、配線２１を第２側縁部１１ｂに向かって引っ張る際、配線２１が損傷することを防止できる。このため、配線２１を第２側縁部１１ｂに向かって引っ張る作業がより容易となり、配線２１の引き回し作業の容易性を向上させることができる。 Here, in the present embodiment, the edge of the notch 12 is closely bent. Therefore, it is possible to prevent the wiring 21 from being damaged when the wiring 21 is pulled toward the second side edge portion 11b. Therefore, the work of pulling the wiring 21 toward the second side edge portion 11b becomes easier, and the ease of the work of drawing the wiring 21 can be improved.
　以上、本実施の形態に係る室内機１００は、冷媒が流れる冷媒配管１１１を有する室内熱交換器１１０と、冷媒配管１１１に設けられた温度センサ２０と、室内熱交換器１１０に空気を吹き出すファン３と、温度センサ２０とファン３との間に設けられ、ファン３から温度センサ２０に向かって吹き出される空気の流れを遮る遮蔽板１０と、を備えている。遮蔽板１０は、第１側縁部１１ａと該第１側縁部１１ａの反対側の側縁部である第２側縁部１１ｂとを有する板状の本体部１１を備えている。第１側縁部１１ａには、第２側縁部１１ｂに向かって凹むＶ字状の切り欠き１２が形成されている。また、本体部１１は、第１側縁部１１ａの切り欠き１２と第２側縁部１１ｂとの間に、温度センサ２０に接続された配線２１を固定するクランプ１３を備えている。 As described above, the indoor unit 100 according to the present embodiment has the indoor heat exchanger 110 having the refrigerant pipe 111 through which the refrigerant flows, the temperature sensor 20 provided in the refrigerant pipe 111, and the fan that blows air to the indoor heat exchanger 110. 3 and a shield plate 10 provided between the temperature sensor 20 and the fan 3 to block the flow of air blown from the fan 3 toward the temperature sensor 20. The shield plate 10 includes a plate-shaped main body portion 11 having a first side edge portion 11a and a second side edge portion 11b which is a side edge portion opposite to the first side edge portion 11a. A V-shaped notch 12 that is recessed toward the second side edge portion 11b is formed in the first side edge portion 11a. Further, the main body portion 11 is provided with a clamp 13 that fixes the wiring 21 connected to the temperature sensor 20 between the notch 12 of the first side edge portion 11a and the second side edge portion 11b.
　本実施の形態に係る室内機１００においては、配線２１を第１側縁部１１ａのＶ字状の切り欠き１２の縁に引っ掛け、該配線２１を第２側縁部１１ｂに向かって引っ張る。これにより、配線２１は、切り欠き１２の縁に沿ってＶ字形状の谷の方へ移動し、クランプ１３の位置へ誘導される。このため、本実施の形態に係る室内機１００は、温度センサに接続されている配線２１の途中部をクランプ１３に容易に固定することができ、配線２１の途中部を遮蔽板１０に固定する際の配線２１の引き回し作業を従来よりも容易に行うことができる。 In the indoor unit 100 according to the present embodiment, the wiring 21 is hooked on the edge of the V-shaped notch 12 of the first side edge portion 11a, and the wiring 21 is pulled toward the second side edge portion 11b. As a result, the wiring 21 moves toward the V-shaped valley along the edge of the notch 12 and is guided to the position of the clamp 13. Therefore, in the indoor unit 100 according to the present embodiment, the middle part of the wiring 21 connected to the temperature sensor can be easily fixed to the clamp 13, and the middle part of the wiring 21 is fixed to the shielding plate 10. In this case, the wiring 21 can be laid out more easily than before.
　１　本体部、２　化粧パネル、２ａ　吸込口、２ｂ　吹出口、３　ファン、１０　遮蔽板、１１　本体部、１１ａ　第１側縁部、１１ｂ　第２側縁部、１１ｃ　第３側縁部、１１ｄ　第４側縁部、１２　切り欠き、１３　クランプ、１３ａ　取付部、１３ｂ　固定部、１４　足部、１５　隙間、２０　温度センサ、２１　配線、３０　露受け部品、１００　室内機、１１０　室内熱交換器、１１１　冷媒配管、１１２　伝熱フィン、２００　室外機、２１０　圧縮機、２２０　四方弁、２３０　室外熱交換器、２４０　膨張弁、３００　ガス冷媒配管、４００　液冷媒配管、５００　空気調和機。 1 body part, 2 makeup panel, 2a suction port, 2b air outlet, 3 fan, 10 shielding plate, 11 body part, 11a first side edge part, 11b second side edge part, 11c third side edge part, 11d number 4 side edges, 12 notches, 13 clamps, 13a mounting parts, 13b fixing parts, 14 legs, 15 gaps, 20 temperature sensors, 21 wiring, 30 dew receiving parts, 100 indoor units, 110 indoor heat exchangers, 111 Refrigerant piping, 112 heat transfer fins, 200 outdoor unit, 210 compressor, 220 four-way valve, 230 outdoor heat exchanger, 240 expansion valve, 300 gas refrigerant pipe, 400 liquid refrigerant pipe, 500 air conditioner.

Claims (4)

  1. 　冷媒が流れる冷媒配管を有する室内熱交換器と、
    　前記冷媒配管に設けられた温度センサと、
    　前記室内熱交換器に空気を吹き出すファンと、
    　前記温度センサと前記ファンとの間に設けられ、前記ファンから前記温度センサに向かって吹き出される空気の流れを遮る遮蔽板と、
    　を備え、
    　前記遮蔽板は、第１側縁部と該第１側縁部の反対側の側縁部である第２側縁部とを有する板状の本体部を備え、
    　前記第１側縁部には、前記第２側縁部に向かって凹むＶ字状の切り欠きが形成されており、
    　前記本体部は、前記第１側縁部の前記切り欠きと前記第２側縁部との間に、前記温度センサに接続された配線を固定するクランプを備えている
    　空気調和機の室内機。     An indoor heat exchanger having a refrigerant pipe through which a refrigerant flows,
    A temperature sensor provided in the refrigerant pipe,
    A fan that blows air into the indoor heat exchanger,
    A shielding plate that is provided between the temperature sensor and the fan and that blocks a flow of air blown from the fan toward the temperature sensor,
    Equipped with
    The shielding plate includes a plate-shaped main body having a first side edge portion and a second side edge portion that is a side edge portion opposite to the first side edge portion,
    The first side edge portion is formed with a V-shaped notch that is recessed toward the second side edge portion,
    The main body section includes a clamp for fixing the wiring connected to the temperature sensor between the notch of the first side edge section and the second side edge section.
  2. 　前記切り欠きの縁に密着曲げ加工が施されている
    　請求項１に記載の空気調和機の室内機。     The indoor unit of the air conditioner according to claim 1, wherein an edge of the cutout is closely bent.
  3. 　前記第１側縁部が延びる方向において、
    　前記クランプの前記配線を固定する部分である固定部は、前記切り欠きの幅の中に配置されている
    　請求項１又は請求項２に記載の空気調和機の室内機。     In the direction in which the first side edge extends,
    The indoor unit of the air conditioner according to claim 1 or 2, wherein a fixing portion that is a portion that fixes the wiring of the clamp is arranged in a width of the cutout.
  4. 　前記遮蔽板が取り付けられる被取付部材を備え、
    　前記遮蔽板は、前記第１側縁部から突出し、前記被取付部材に取り付けられる足部を備え、
    　前記第１側縁部と前記足部との間に形成される隙間は、前記配線の直径よりも小さい
    　請求項１～請求項３のいずれか一項に記載の空気調和機の室内機。     A member to be attached to which the shielding plate is attached,
    The shielding plate includes a foot portion protruding from the first side edge portion and attached to the attached member,
    The indoor unit of the air conditioner according to any one of claims 1 to 3, wherein a gap formed between the first side edge portion and the foot portion is smaller than a diameter of the wiring.
PCT/JP2018/040967 2018-11-05 2018-11-05 Indoor unit for air conditioner WO2020095342A1 (en)

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JPH10110970A (en) * 1996-10-04 1998-04-28 Toshiba Corp Air conditioner
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JP2007294784A (en) * 2006-04-27 2007-11-08 Sousei Denshi:Kk Lead-wire holding hole, and working method thereof
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