JP5899489B2 - Fan guard and air conditioner - Google Patents

Fan guard and air conditioner Download PDF

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JP5899489B2
JP5899489B2 JP2011157956A JP2011157956A JP5899489B2 JP 5899489 B2 JP5899489 B2 JP 5899489B2 JP 2011157956 A JP2011157956 A JP 2011157956A JP 2011157956 A JP2011157956 A JP 2011157956A JP 5899489 B2 JP5899489 B2 JP 5899489B2
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diameter
fan guard
wire
surface portion
lattice
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JP2013024452A (en
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吉成 永富
吉成 永富
大介 梶原
大介 梶原
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Priority to JP2011157956A priority Critical patent/JP5899489B2/en
Priority to EP12175689.4A priority patent/EP2549194B1/en
Priority to CN2012102438416A priority patent/CN102889678A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • 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
    • F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • 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
    • F24F2013/205—Mounting a ventilator fan therein

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Air-Conditioning Systems (AREA)

Description

本発明は、ファンガード、及び、空気調和装置に関する。   The present invention relates to a fan guard and an air conditioner.

従来、空気調和装置の室外ユニットでは、空気の吹出口に、線材を組み合わせて構成されるファンガードが設けられ、このファンガードで送風機のファンを覆うことで、作業者等の指がファンに触れないように構成されている（例えば、特許文献１参照）。特許文献１では、太径線材及び細径線材を組み合せてファンガードが構成され、太径線材間に複数の細径線材を平行に所定間隔をあけて配置し、複数の長方形状の開口が形成されている。   Conventionally, in an outdoor unit of an air conditioner, a fan guard configured by combining wires is provided at an air outlet, and a fan such as an operator touches the fan by covering the fan of the blower with this fan guard. (For example, refer patent document 1). In Patent Document 1, a fan guard is configured by combining a large-diameter wire and a small-diameter wire, and a plurality of thin-diameter wires are arranged in parallel at predetermined intervals between the large-diameter wires, thereby forming a plurality of rectangular openings. Has been.

特許第４６３１８８２号公報Japanese Patent No. 4631882

しかしながら、上記従来のファンガードでは、太径線材間に長方形状の開口が一列に並んで配置されているため、厚みが薄く幅が広い物、例えば、手の平等が開口に入らないように、細径線材間の間隔を狭くする必要があり、結果的に、開口を形成するための線材が占める面積が大きくなっており、送風抵抗が大きくなっている。
本発明は、上述した事情に鑑みてなされたものであり、ファンガードへの手等の侵入を防止しつつ、送風抵抗を低減できるようにすることを目的とする。 However, in the conventional fan guard described above, rectangular openings are arranged in a row between the large-diameter wires, so that a thin and wide object, such as a palm, does not enter the opening. It is necessary to narrow the interval between the radial wires, and as a result, the area occupied by the wire for forming the opening is increased, and the blowing resistance is increased.
The present invention has been made in view of the above-described circumstances, and an object thereof is to reduce blowing resistance while preventing the entry of a hand or the like into a fan guard.

上記目的を達成するため、本発明は、複数の太径線材を交差させて全周が当該太径線材で構成された複数の大格子を形成し、この大格子間に細径線材を格子状に配置して小格子が形成されたことを特徴とするファンガードを提供する。
また、上記構成において、前記細径線材を組み合わせて格子状の細径格子部材を形成し、この細径格子部材を、前記太径線材で構成されたフレーム部で支持して構成されても良い。 In order to achieve the above object, the present invention crosses a plurality of large diameter wires to form a plurality of large lattices whose entire circumference is composed of the large diameter wires, and the thin wires are arranged in a lattice shape between the large lattices. The fan guard is provided in which a small lattice is formed .
Further, in the above configuration, a lattice-shaped fine lattice member may be formed by combining the thin wire members, and the fine lattice member may be supported by a frame portion made of the large wire material. .

また、ファンガードは箱形であり、通風面部と垂直側面部とを有し、室外ユニットを搬送する際に用いられる固定バンドが取り付けられるバンド固定部が前記通風面部に設けられ、当該バンド固定部は、前記太径線材に形成されても良い。
さらに、前記通風面部は、当該通風面部の周縁から送風機の吹出口の周縁部に向かって延びる側面部を介して前記吹出口の固定面に固定され、前記側面部は、前記通風面部から前記固定面に向けて垂直に延びる前記垂直側面部を有し、当該垂直側面部は前記吹出口の前記周縁部の外側に設けられても良い。
また、前記側面部が前記固定面に取り付けられる取り付け部では、線材が屈曲されても良い。 The fan guard is box-shaped, has a ventilation surface portion and a vertical side surface portion, and a band fixing portion to which a fixing band used when the outdoor unit is transported is provided on the ventilation surface portion. May be formed on the large-diameter wire.
Further, the ventilation surface portion is fixed to the fixed surface of the air outlet through a side surface extending from a peripheral edge of the ventilation surface portion toward a peripheral edge portion of the blower outlet of the blower, and the side surface portion is fixed to the fixed surface of the air outlet surface. It has the said vertical side part extended perpendicularly | vertically toward a surface, and the said vertical side part may be provided in the outer side of the said peripheral part of the said blower outlet.
Further, the wire may be bent at the attachment portion where the side surface portion is attached to the fixed surface.

また、本発明は、室外ユニットの吹出口に設けられ送風機のファンを覆うファンガードを備えた空気調和装置において、前記ファンガードは、複数の太径線材を交差させて全周が当該太径線材で構成された複数の大格子が形成され、この大格子間に細径線材が格子状に配置されて小格子が形成されたことを特徴とする。
また、上記構成において、前記大格子は、複数の横側太径線材と、この横側太径線材に交差する複数の縦側太径線材とを備え、前記細径格子部材は、前記横側太径線材と前記縦側太径線材との間に挟んで設けられる構成としても良い。 Further, the present invention provides an air conditioner including a fan guard that is provided at an outlet of an outdoor unit and covers a fan of a blower, wherein the fan guard intersects a plurality of large-diameter wires, and the entire circumference of the large-diameter wire A plurality of large lattices are formed, and small wires are formed by arranging thin wire rods in a lattice shape between the large lattices .
Further, in the above configuration, the large lattice includes a plurality of horizontal large-diameter wires and a plurality of vertical large-diameter wires intersecting the horizontal large-diameter wires, and the small-diameter lattice member includes the horizontal-side wires. It is good also as a structure provided on both sides of a large diameter wire and the said longitudinal large diameter wire.

本発明によれば、ファンガードへの手等の侵入を防止しつつ、送風抵抗を低減できる。   ADVANTAGE OF THE INVENTION According to this invention, ventilation resistance can be reduced, preventing the penetration | invasion of the hand etc. to a fan guard.

本発明の実施の形態に係る室外ユニットの側断面図である。It is a sectional side view of the outdoor unit which concerns on embodiment of this invention. 室外ユニットの横断面図である。It is a cross-sectional view of an outdoor unit. 室外ユニットを上方から見た平面図である。It is the top view which looked at the outdoor unit from the upper part. ファンガードの斜視図である。It is a perspective view of a fan guard. 側面側フレーム部材の斜視図である。It is a perspective view of a side frame member. 前後側フレーム部材の斜視図である。It is a perspective view of the front-rear frame member. 細径格子部材の斜視図である。It is a perspective view of a small diameter lattice member. ファンガードのガード性の試験に用いられる試験指を示す正面図である。It is a front view which shows the test finger used for the test of the guard property of a fan guard. ファンガードの角部近傍を示す斜視図である。It is a perspective view which shows the corner | angular part vicinity of a fan guard. 室外ユニットの搬送時の状態を示す斜視図である。It is a perspective view which shows the state at the time of conveyance of an outdoor unit. 実施の形態の変形例におけるファンガードの角部近傍を示す斜視図である。It is a perspective view which shows the corner | angular part vicinity of the fan guard in the modification of embodiment.

以下、本発明の実施の形態を、図面を参照しながら説明する。
本構成に係る空気調和装置は、室外ユニット１０と室内ユニット（図示せず）とから構成されており、冷媒配管により接続された冷媒回路に冷媒を流して、冷房運転および暖房運転を行う。室外ユニット１０は、室外に設置され、室外空気と熱交換して冷房運転時には冷媒を凝縮させて外気に熱を放出し、暖房運転時には冷媒を蒸発させて外気から熱を取り込むものである。なお、以下に述べる上下および左右といった方向は、室外ユニット１０を設置した状態でその前面側から見た場合の方向を示している。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The air conditioner according to this configuration includes an outdoor unit 10 and an indoor unit (not shown), and performs a cooling operation and a heating operation by flowing a refrigerant through a refrigerant circuit connected by a refrigerant pipe. The outdoor unit 10 is installed outside, exchanges heat with outdoor air, condenses the refrigerant during the cooling operation and releases heat to the outside air, and evaporates the refrigerant during the heating operation and takes in heat from the outside air. In addition, the directions such as up and down and left and right described below indicate directions when the outdoor unit 10 is viewed from the front side in a state where the outdoor unit 10 is installed.

図１は、室外ユニット１０の側断面図であり、図２は、室外ユニット１０の内部構成を示す上面図である。室外ユニット１０は、略直方体箱形状のユニットケース（筐体）１１を備え、このユニットケース１１は、底板１２と、この底板１２の４隅から鉛直方向に延びる支柱１４と、前面パネル１５（図２）を有して構成される。
底板１２上には、図２に示すように、上面視略コ字形状に屈曲されて形成された熱交換器２１が配置され、この熱交換器２１の上部には、図１に示すように、送風機２２が配置される。熱交換器２１は、図２に示すように、ユニットケース１１の側面部を構成し、このユニットケース１１の左側面から後面及び右側面に沿わせて配置されている。
送風機２２は、図１に示すように、熱交換器２１の上方に配置されるファンモーター（モーター）２３と、このファンモーター２３のモーターシャフト５１に取り付けられたプロペラファン２４（ファン）とを備えて構成される。 FIG. 1 is a side sectional view of the outdoor unit 10, and FIG. 2 is a top view showing an internal configuration of the outdoor unit 10. The outdoor unit 10 includes a unit case (housing) 11 having a substantially rectangular parallelepiped box shape. The unit case 11 includes a bottom plate 12, struts 14 extending vertically from four corners of the bottom plate 12, and a front panel 15 (see FIG. 2).
On the bottom plate 12, as shown in FIG. 2, a heat exchanger 21 formed by being bent into a substantially U-shape when viewed from above is disposed, and an upper portion of the heat exchanger 21 is arranged as shown in FIG. A blower 22 is arranged. As shown in FIG. 2, the heat exchanger 21 constitutes a side surface portion of the unit case 11 and is arranged from the left side surface of the unit case 11 along the rear surface and the right side surface.
As shown in FIG. 1, the blower 22 includes a fan motor (motor) 23 disposed above the heat exchanger 21, and a propeller fan 24 (fan) attached to a motor shaft 51 of the fan motor 23. Configured.

熱交換器２１の上面には、熱交換器２１のコ字形状に沿って枠状に形成された上部フレーム１６が設けられている。上部フレーム１６は、コ字形状の熱交換器２１の左側面、後面及び右側面の上面に沿ってそれぞれ設けられる板状のフレーム板１６Ａ，１６Ｂ，１６Ｃと、フレーム板１６Ａ，１６Ｃの前端を連結する連結板（不図示）とを備えている。上部フレーム１６の四隅は、各支柱１４に連結される。
フレーム板１６Ｂと上記連結板との間には、フレーム板１６Ａ，１６Ｃと略平行に延びる一対のモーター支持台１７，１７が掛け渡され、ファンモーター２３は、モーター支持台１７，１７の上面に固定されている。 On the upper surface of the heat exchanger 21, an upper frame 16 formed in a frame shape along the U-shape of the heat exchanger 21 is provided. The upper frame 16 connects plate-shaped frame plates 16A, 16B, and 16C provided along the upper surfaces of the left side, the rear surface, and the right side of the U-shaped heat exchanger 21, and the front ends of the frame plates 16A and 16C. Connecting plate (not shown). The four corners of the upper frame 16 are connected to the columns 14.
Between the frame plate 16B and the connecting plate, a pair of motor support bases 17 and 17 extending substantially parallel to the frame plates 16A and 16C are spanned, and the fan motor 23 is placed on the upper surfaces of the motor support bases 17 and 17. It is fixed.

ファンモーター２３は、円柱状の本体部５２と、本体部５２から上方に延びてプロペラファン２４を支持するモーターシャフト５１（図１）とを有している。プロペラファン２４は、樹脂製のハブ４５と、このハブ４５の外周に所定の翼角を有して所定の間隔で一体成形された複数枚の羽根４６，４６・・とを備える。
本体部５２には、放熱用のフィン５３が外周部に形成されるとともに、外周部に沿って略水平に延びる一対の取り付けステー片５４が形成されている。
ファンモーター２３は、本体部５２がモーター支持台１７，１７の間に配置されるとともに、取り付けステー片５４がモーター支持台１７，１７上に載置され、ボルト（不図示）によってモーター支持台１７，１７に締結固定される。 The fan motor 23 includes a columnar main body 52 and a motor shaft 51 (FIG. 1) that extends upward from the main body 52 and supports the propeller fan 24. The propeller fan 24 includes a resin hub 45 and a plurality of blades 46, 46... Integrally formed at predetermined intervals with a predetermined blade angle on the outer periphery of the hub 45.
The main body 52 is formed with a heat dissipating fin 53 on the outer peripheral portion and a pair of attachment stay pieces 54 extending substantially horizontally along the outer peripheral portion.
In the fan motor 23, the main body 52 is disposed between the motor support bases 17, 17, the mounting stay piece 54 is placed on the motor support bases 17, 17, and the motor support base 17 is configured by bolts (not shown). , 17 are fastened and fixed.

プロペラファン２４の周囲には、図１に示すように、プロペラファン２４の吸込側の空気を吹出側に案内する円筒状のベルマウス２５が設けられ、このベルマウス２５の吹出口２５Ａは、プロペラファン２４への人体などの接触を防止するファンガード６０で覆われる。また、ベルマウス２５の周囲には、ベルマウス２５を囲う化粧パネル２９が設けられており、ベルマウス２５の外周面と化粧パネルとの間には発泡スチロール等の断熱材２６が設けられている。プロペラファン２４は、コ字形状の熱交換器２１の中央に位置するように配置されている。   As shown in FIG. 1, a cylindrical bell mouth 25 that guides the air on the suction side of the propeller fan 24 to the blow-out side is provided around the propeller fan 24, and the air outlet 25A of the bell mouth 25 is provided with a propeller. The fan 24 is covered with a fan guard 60 that prevents the human body from coming into contact with the fan 24. A decorative panel 29 surrounding the bell mouth 25 is provided around the bell mouth 25, and a heat insulating material 26 such as styrene foam is provided between the outer peripheral surface of the bell mouth 25 and the decorative panel. The propeller fan 24 is disposed so as to be positioned at the center of the U-shaped heat exchanger 21.

ファンモーター２３によりプロペラファン２４が回転駆動されると、室外ユニット１０の周囲、より具体的には図中矢印Ｘで示すように、ユニットケース１１の前面を除いた左側面側、後面側及び右側面側から外気がユニットケース１１内に吸い込まれ、このユニットケース１１の上面部に設けられたベルマウス２５の吹出口２５Ａ及びファンガード６０を通って外に排出される。つまり、この室外ユニット１０は、熱交換後の空気を上面から吹き出す上面吹き出しタイプに構成されている。   When the propeller fan 24 is rotationally driven by the fan motor 23, as shown by the arrow X in the figure around the outdoor unit 10, more specifically, the left side, the rear side, and the right side excluding the front of the unit case 11. Outside air is sucked into the unit case 11 from the surface side, and is discharged outside through the air outlet 25A and the fan guard 60 of the bell mouth 25 provided on the upper surface portion of the unit case 11. That is, the outdoor unit 10 is configured as an upper surface blowing type that blows out air after heat exchange from the upper surface.

ユニットケース１１内には、底板１２上に、冷媒回路の一部を構成する圧縮機（図示せず）、アキュムレータ３１、オイルセパレーター３２及びレシーバータンク３３が設けられるとともに、四方弁（図示せず）や膨張弁（図示せず）といった弁体などの冷媒回路構成部品が配管接続されて収容される。これら冷媒回路構成部品の配管の一端側は、熱交換器２１を介して室内ユニットと配管接続され、当該冷媒回路構成部品の配管の他端側は室内ユニットに配管接続され、これにより、冷媒を循環する冷媒回路が構成される。アキュムレータ３１は、ファンモーター２３の下方で底板１２の略中央に位置している。
また、本構成では、圧縮機は、ユニットケース１１の前面側に配置され、この圧縮機の上方空間に空気調和装置を制御する制御基板などの各種電装ユニットを配設した電装ボックス３４が配置される。このため、前面パネル１５を取り外すことによって、作業者が前面側からユニットケース１１内の部品のメンテナンス作業を容易に行うことができる。符号３５は、圧縮機の上方に設けられ、圧縮機に直接雨滴がかからないようにするためのカバー板である。 In the unit case 11, a compressor (not shown), an accumulator 31, an oil separator 32, and a receiver tank 33 constituting a part of the refrigerant circuit are provided on the bottom plate 12, and a four-way valve (not shown). And refrigerant circuit components such as a valve body such as an expansion valve (not shown) are connected by piping. One end side of the piping of these refrigerant circuit components is connected to the indoor unit via the heat exchanger 21, and the other end side of the piping of the refrigerant circuit components is connected to the indoor unit. A circulating refrigerant circuit is configured. The accumulator 31 is located at the approximate center of the bottom plate 12 below the fan motor 23.
Further, in this configuration, the compressor is disposed on the front side of the unit case 11, and an electrical box 34 in which various electrical units such as a control board for controlling the air conditioner are disposed in an upper space of the compressor. The For this reason, by removing the front panel 15, the operator can easily perform maintenance work on the components in the unit case 11 from the front side. Reference numeral 35 denotes a cover plate that is provided above the compressor so as to prevent raindrops from being directly applied to the compressor.

図３は、室外ユニット１０を上方から見た平面図である。
室外ユニット１０の上面には、ベルマウス２５の吹出口２５Ａの周縁部２５Ｂと化粧パネル２９との間を塞ぐ天板３０（固定面）が設けられ、ファンガード６０は、天板３０に固定される。ファンガード６０は、平面視では、円形の吹出口２５Ａの全体を覆う略矩形状に形成されている。 FIG. 3 is a plan view of the outdoor unit 10 as viewed from above.
A top plate 30 (fixed surface) is provided on the upper surface of the outdoor unit 10 to block between the peripheral edge 25B of the air outlet 25A of the bell mouth 25 and the decorative panel 29, and the fan guard 60 is fixed to the top plate 30. The The fan guard 60 is formed in a substantially rectangular shape that covers the entire circular outlet 25A in plan view.

図４は、ファンガード６０の斜視図である。
図３及び図４に示すように、ファンガード６０は、金属製の線材を組み合せて形成されており、プロペラファン２４に対向する略矩形の通風面部６１と、通風面部６１の周縁から天板３０側に延びる４つの面で構成される側面通風面部６２（側面部）とを有して箱形に形成されている。
側面通風面部６２は、通風面部６１から吹出口２５Ａの周縁部２５Ｂ側に向けて垂直に延びる一対の垂直側面部６３，６３と、周縁部２５Ｂ側ほど広がるように傾斜して通風面部６１から延びる一対の傾斜側面部６４，６４とを有している。垂直側面部６３，６３は、それぞれ室外ユニット１０の左面及び右面に対応する側面部である。傾斜側面部６４，６４は、それぞれ室外ユニット１０の前面及び後面に対応する側面部である。
本実施の形態では、吹出口２５Ａの周縁部２５Ｂの外側に垂直側面部６３，６３を設けたため、垂直側面部６３，６３が吹出口２５Ａの周縁部２５Ｂから吹き出される風の邪魔にならず、送風抵抗を低減できる。 FIG. 4 is a perspective view of the fan guard 60.
As shown in FIGS. 3 and 4, the fan guard 60 is formed by combining metal wires, and the substantially rectangular ventilation surface portion 61 facing the propeller fan 24, and the top plate 30 from the periphery of the ventilation surface portion 61. It has the side ventilation surface part 62 (side part) comprised by four surfaces extended in the side, and is formed in the box shape.
The side ventilation surface portion 62 extends from the ventilation surface portion 61 while being inclined so as to expand toward the peripheral edge portion 25B side, and a pair of vertical side surface portions 63, 63 extending vertically from the ventilation surface portion 61 toward the peripheral edge portion 25B side of the outlet 25A. It has a pair of inclined side surface parts 64 and 64. The vertical side surfaces 63 and 63 are side surfaces corresponding to the left surface and the right surface of the outdoor unit 10, respectively. The inclined side surface portions 64 and 64 are side surface portions corresponding to the front surface and the rear surface of the outdoor unit 10, respectively.
In the present embodiment, since the vertical side surfaces 63 and 63 are provided outside the peripheral edge 25B of the air outlet 25A, the vertical side surfaces 63 and 63 do not interfere with the wind blown from the peripheral edge 25B of the air outlet 25A. The blowing resistance can be reduced.

ファンガード６０は、垂直側面部６３，６３を備える側面側フレーム部材６５（図５）と、傾斜側面部６４，６４を備える前後側フレーム部材６６（図６）とを組み合せて枠状のフレーム部６７を形成し、格子状に形成された細径格子部材６８（図７）をフレーム部６７で支持することで形成されている。   The fan guard 60 is a frame-shaped frame portion obtained by combining a side surface side frame member 65 (FIG. 5) having vertical side surface portions 63, 63 and a front and rear side frame member 66 (FIG. 6) having inclined side surface portions 64, 64. 67, and a thin lattice member 68 (FIG. 7) formed in a lattice shape is supported by the frame portion 67.

図５は、側面側フレーム部材６５の斜視図である。
図４及び図５に示すように、側面側フレーム部材６５は、通風面部６１と平行に延びる複数（本実施の形態では５本）の横側太径線材７０（太径線材）と、横側太径線材７０に固定される複数の側面側細径線材７１とを備えて構成されている。横側太径線材７０は側面側細径線材７１よりも大きな直径を有する線材である。
各横側太径線材７０は、通風面部６１と平行に延びる支持部７２と、支持部７２の両端側が略直角に屈曲されてファンガード６０の高さ方向に延びる支柱部７３，７３とを有し、支柱部７３，７３によって立設された状態で、一定間隔をあけて互いに平行となるように並べて配置されている。並べて配置された各横側太径線材７０は、複数の側面側細径線材７１が各支柱部７３に接合されることで連結される。 FIG. 5 is a perspective view of the side frame member 65.
As shown in FIGS. 4 and 5, the side frame member 65 includes a plurality of (five in the present embodiment) horizontal large-diameter wires 70 (large-diameter wires) extending in parallel with the ventilation surface portion 61, and the horizontal side A plurality of side-surface-side thin wire rods 71 fixed to the large-diameter wire rod 70 are provided. The lateral large diameter wire 70 is a wire having a larger diameter than the side thin wire 71.
Each large-diameter wire 70 has a support portion 72 that extends in parallel with the ventilation surface portion 61, and support columns 73 and 73 that extend in the height direction of the fan guard 60 by bending both ends of the support portion 72 at substantially right angles. In a state of being erected by the column portions 73 and 73, they are arranged side by side so as to be parallel to each other with a predetermined interval. The large-diameter wire rods 70 arranged side by side are connected by joining a plurality of small-diameter wire rods 71 on the side surfaces to the column portions 73.

各側面側細径線材７１は、各支柱部７３に直交して配置され、各支柱部７３に外側から当接した状態で各支柱部７３に溶接される。各側面側細径線材７１は所定間隔をあけて互いに平行に配置され、各横側太径線材７０の両端側において、側面側細径線材７１がファンガード６０の高さ方向に並んで複数設けられることで、一対の垂直側面部６３，６３が構成される。
各側面側細径線材７１は、 支柱部７３の並びにおける一端側の支柱部７３Ａ及び他端側の支柱部７３Ｂよりもその各端部が突出するように設けられ、各端部は、ファンガード６０の内側へ折り曲げられた折り曲げ部７１Ａ，７１Ａとなっている。
また、支柱部７３Ａ，７３Ｂの下端には、内側に折り曲げられて支持部７２と平行に延びるベース部７５が形成されている。 Each side-side thin wire 71 is disposed orthogonally to each column part 73 and is welded to each column part 73 in a state of being in contact with each column part 73 from the outside. Each side-side thin wire 71 is arranged in parallel with each other at a predetermined interval, and a plurality of side-side thin wires 71 are provided side by side in the height direction of the fan guard 60 at both end sides of each lateral large-diameter wire 70. By doing so, a pair of vertical side surface parts 63, 63 are formed.
Each side-side thin wire 71 is provided so that each end protrudes from one end-side support column 73A and the other end-side support column portion 73B in the arrangement of the support column portions 73, and each end portion is a fan guard. The bent portions 71 </ b> A and 71 </ b> A are bent to the inside of 60.
In addition, a base portion 75 that is bent inward and extends in parallel with the support portion 72 is formed at the lower ends of the column portions 73A and 73B.

垂直側面部６３，６３の上方には、一端側の横側太径線材７０の支持部７２Ａから他端側の横側太径線材７０の支持部７２Ｂまで跨って側面側細径線材７１と平行に設けられる複数の補強線材７４が設けられている。
中央側の 各支柱部７３の間には、支柱部７３と平行に延びる複数の補強支柱部７８，７８が設けられ、補強支柱部７８，７８は、各側面側細径線材７１に接合されている。 Above the vertical side surfaces 63, 63, parallel to the side-side small-diameter wire 71 across the support portion 72 </ b> A of the large-side wire 70 on one end side to the support 72 </ b> B of the large-side wire 70 on the other end side. A plurality of reinforcing wire rods 74 are provided.
A plurality of reinforcing struts 78, 78 extending in parallel with the struts 73 are provided between the central struts 73 on the center side, and the reinforcing struts 78, 78 are joined to the respective side-side thin wire rods 71. Yes.

一端側の支持部７２Ａの両端部には、支持部７２Ａが天板３０側に凹んだバンド固定凹部７６Ａ，７６Ａ（バンド固定部）が形成されている。また、他端側の支持部７２Ｂの両端部には、支持部７２Ｂが天板３０側に凹んだバンド固定凹部７６Ｂ，７６Ｂ（バンド固定部）が形成されている。
また、側面側フレーム部材６５には、各バンド固定凹部７６Ａ，７６Ｂに隣接して、補強太径線材７７が設けられている。各補強太径線材７７は、支持部７２と同一高さで支持部７２と平行に延びる補強支持部７７Ａと、支柱部７３Ｂと平行に延びて各側面側細径線材７１に接合される補強支柱部７７Ｂと、内側に折り曲げられてベース部７５と同一高さでベース部７５と平行に延びる補強ベース部７７Ｃとを有している。補強太径線材７７は、横側太径線材７０と同一径の線材である。 Band fixing recesses 76A and 76A (band fixing portions) in which the supporting portion 72A is recessed toward the top plate 30 are formed at both ends of the supporting portion 72A on one end side. Band fixing recesses 76B and 76B (band fixing portions) in which the supporting portion 72B is recessed toward the top plate 30 are formed at both ends of the supporting portion 72B on the other end side.
Further, the side frame member 65 is provided with a reinforcing large-diameter wire 77 adjacent to each band fixing recess 76A, 76B. Each reinforcing large-diameter wire 77 has a reinforcing support 77A that is the same height as the support 72 and extends parallel to the support 72, and a reinforcing support that extends parallel to the support 73B and is joined to each side-side thin wire 71. It has a portion 77B and a reinforcing base portion 77C that is bent inward and extends in parallel with the base portion 75 at the same height as the base portion 75. The reinforcing large-diameter wire 77 is a wire having the same diameter as the lateral large-diameter wire 70.

図６は、前後側フレーム部材６６の斜視図である。
図４及び図６に示すように、前後側フレーム部材６６は、通風面部６１と平行に延びる複数（本実施の形態では７本）の縦側太径線材８０（太径線材）と、縦側太径線材８０に固定される複数の側面側細径線材８１とを備えて構成されている。縦側太径線材８０は側面側細径線材８１よりも大きな直径を有する線材であるとともに、横側太径線材７０と同一径の線材である。
各縦側太径線材８０は、通風面部６１と平行に延びる支持部８２と、支持部８２の両端側が屈曲されてファンガード６０の高さ方向に延びる支柱部８３，８３とを有し、支柱部８３，８３によって立設された状態で、所定間隔をあけて互いに平行となるように並べて配置されている。各支柱部８３は、直角より小さい角度で曲げられており、下端側ほど外側に広がっている。並べて配置された各縦側太径線材８０は、複数の側面側細径線材８１が各支柱部８３に接合されることで連結される。 FIG. 6 is a perspective view of the front-rear frame member 66.
As shown in FIGS. 4 and 6, the front and rear side frame member 66 includes a plurality of (seven in the present embodiment) vertical large-diameter wire 80 (large-diameter wire) extending in parallel with the ventilation surface portion 61, and the vertical side A plurality of side-surface-side thin wires 81 fixed to the large-diameter wire 80 are provided. The vertical thick wire 80 is a wire having a larger diameter than the side thin wire 81 and has the same diameter as that of the horizontal large wire 70.
Each of the large-diameter wires 80 on the vertical side includes a support portion 82 that extends in parallel with the ventilation surface portion 61, and support portions 83 and 83 that are bent at both ends of the support portion 82 and extend in the height direction of the fan guard 60. In a state of being erected by the portions 83, 83, they are arranged side by side so as to be parallel to each other at a predetermined interval. Each support | pillar part 83 is bent at an angle smaller than a right angle, and has spread outward as the lower end side. The longitudinal large-diameter wires 80 arranged side by side are connected by joining a plurality of side-surface thin-diameter wires 81 to the columns 83.

各側面側細径線材８１は、各支柱部８３に直交して配置され、各支柱部８３に外側から当接した状態で各支柱部８３に溶接される。各側面側細径線材８１は所定間隔をあけて互いに平行に配置され、各縦側太径線材８０の両端側において、側面側細径線材８１がファンガード６０の高さ方向に並んで複数設けられることで、一対の傾斜側面部６４，６４が構成される。各支柱部８３が屈曲されていることで、傾斜側面部６４，６４は下端側ほど外側に開いている。   Each side-side thin wire 81 is arranged orthogonal to each column part 83 and is welded to each column part 83 in a state of being in contact with each column part 83 from the outside. Each side-side thin wire 81 is arranged in parallel with each other at a predetermined interval, and a plurality of side-side thin wires 81 are provided side by side in the height direction of the fan guard 60 at both ends of each longitudinal large-diameter wire 80. By doing so, a pair of inclined side surface portions 64 and 64 are configured. Since each support | pillar part 83 is bent, the inclined side surface parts 64 and 64 are opened outside as the lower end side.

最上段の側面側細径線材８１の上方には、側面側細径線材８１と平行に延びる補強線材８４が設けられている。補強線材８４は、一端側の支柱部８３Ａから他端側の支柱部８３Ｂまでの支柱部８３の外面に接合される平行部８４Ａと、支柱部８３Ａ及び支柱部８３Ｂに接する部分で屈曲されて下方に延びる柱部８４Ｂ，８４Ｂと、柱部８４Ｂ，８４Ｂの下端が外側に屈曲されて側面側細径線材８１と平行に延びるベース部８４Ｃ，８４Ｃとを有している。
また、最下段の側面側細径線材８１の下方には、側面側細径線材８１と平行に延びる補強線材８５が接合されており、補強線材８５は、縦側太径線材８０と同一径である。 A reinforcing wire 84 that extends in parallel with the side-side thin wire 81 is provided above the uppermost side-side thin wire 81. The reinforcing wire 84 is bent at the parallel part 84A joined to the outer surface of the support part 83 from the support part 83A on one end side to the support part 83B on the other end side, and bent at the part in contact with the support part 83A and the support part 83B. Column portions 84B, 84B extending in the direction of the center portion, and lower ends of the column portions 84B, 84B are bent outward so as to have base portions 84C, 84C extending in parallel with the side surface side small-diameter wire 81.
Further, a reinforcing wire 85 extending in parallel with the side-side thin wire 81 is joined to the lower side of the side-side thin wire 81, and the reinforcing wire 85 has the same diameter as that of the longitudinal large-diameter wire 80. is there.

図７は、細径格子部材６８の斜視図である。
図７に示すように、細径格子部材６８は、複数の線材を組み合せて格子状に形成されている。詳細には、細径格子部材６８は、所定間隔をあけて互いに平行に配置される複数の縦側細径線材９０（細径線材）上に、縦側細径線材９０に対して直交する複数の横側細径線材９１（細径線材）を、所定間隔をあけて互いに平行に配置して格子状に形成されている。縦側細径線材９０と横側細径線材９１とは、互いの交点で溶接されて一体化されている。また、縦側細径線材９０及び横側細径線材９１は同一径の線材であるとともに、横側太径線材７０及び縦側太径線材８０よりも細径の線材である。 FIG. 7 is a perspective view of the small-diameter lattice member 68.
As shown in FIG. 7, the small-diameter lattice member 68 is formed in a lattice shape by combining a plurality of wire rods. Specifically, the small-diameter lattice members 68 are arranged on a plurality of vertical-side thin-diameter wires 90 (thin-diameter wires) that are arranged in parallel with each other at a predetermined interval, and are orthogonal to the vertical-side thin-diameter wire 90 Are arranged in parallel with each other at a predetermined interval to form a lattice shape. The vertical thin wire 90 and the horizontal thin wire 91 are welded and integrated at each other intersection. The vertical thin wire 90 and the horizontal thin wire 91 are wires having the same diameter, and are thinner than the horizontal thick wire 70 and the vertical thick wire 80.

縦側細径線材９０は、ファンガード６０が組立てられた状態で前後側フレーム部材６６の各縦側太径線材８０と平行に配置される線材であり、細径格子部材６８において縦側太径線材８０が重なる部分は、縦側細径線材９０，９０間の間隔が、隣接する縦側細径線材９０，９０間の間隔より大きな間隔に形成された太径線材配置部９２となっている。
横側細径線材９１は、ファンガード６０が組立てられた状態で側面側フレーム部材６５の各横側太径線材７０と平行に配置される線材であり、細径格子部材６８において横側太径線材７０が重なる部分は、横側細径線材９１，９１間の間隔が、隣接する横側細径線材９１，９１間の間隔より大きな間隔に形成された太径線材配置部９３となっている。 The longitudinal-side thin wire 90 is a wire disposed in parallel with the longitudinal large-diameter wires 80 of the front and rear frame members 66 in a state where the fan guard 60 is assembled. The portion where the wire 80 overlaps is a large-diameter wire arrangement portion 92 in which the interval between the vertical thin wire rods 90 and 90 is larger than the interval between the adjacent vertical thin wire rods 90 and 90. .
The lateral small-diameter wire 91 is a wire disposed in parallel with each lateral large-diameter wire 70 of the side frame member 65 in a state where the fan guard 60 is assembled. The portion where the wire 70 overlaps is a large-diameter wire arrangement portion 93 in which the interval between the lateral small-diameter wires 91, 91 is larger than the interval between adjacent lateral-side thin wires 91, 91. .

ファンガード６０を組立てる際には、図４〜図７を参照し、まず、前後側フレーム部材６６の各縦側太径線材８０の支持部８２上に、細径格子部材６８がセットされる。この状態では、各縦側太径線材８０が各太径線材配置部９２に重なっており、縦側細径線材９０は縦側太径線材８０に対して平行に配置される。
次いで、側面側フレーム部材６５が、横側太径線材７０が縦側太径線材８０に対して直交する向きで細径格子部材６８の上方から被せられ、横側太径線材７０は、太径線材配置部９３に配置される。これにより、ファンガード６０の上面には、格子状の通風面部６１が形成される。前後側フレーム部材６６、細径格子部材６８及び側面側フレーム部材６５は、互いの交点の当接部でスポット溶接により接合されている。 When assembling the fan guard 60, referring to FIGS. 4 to 7, first, the small-diameter lattice member 68 is set on the support portion 82 of each longitudinal large-diameter wire 80 of the front-rear frame member 66. In this state, each large-diameter wire 80 is overlapped with each large-diameter wire arrangement portion 92, and the small-diameter wire 90 is arranged in parallel with the large-diameter wire 80.
Next, the side-side frame member 65 is covered from above the small-diameter lattice member 68 in a direction in which the horizontal-side large-diameter wire 70 is orthogonal to the vertical-side large-diameter wire 80, and the horizontal-side large-diameter wire 70 is It arrange | positions at the wire arrangement | positioning part 93. FIG. Thereby, a lattice-shaped ventilation surface portion 61 is formed on the upper surface of the fan guard 60. The front-rear frame member 66, the small-diameter lattice member 68, and the side-surface frame member 65 are joined by spot welding at a contact portion at the intersection.

詳細には、図３及び図４に示すように、通風面部６１には、複数の横側太径線材７０及び縦側太径線材８０が直交することで、複数の大格子１００が形成され、複数の縦側細径線材９０及び横側細径線材９１が大格子１００間で直交することで、大格子１００よりも開口が小さい小格子１０１が複数形成される。大格子１００には、小格子１０１が縦方向及び横方向の両方向において複数形成されており、大格子１００内には、小格子１０１が、一列ではなく、格子状に複数列で配置されている。なお、図３及び図４では、煩雑化を防ぐため、一つの大格子１００及び一組の小格子１０１のみに符号を付している。   Specifically, as shown in FIG. 3 and FIG. 4, a plurality of large lattices 100 are formed on the ventilation surface portion 61 by orthogonally crossing a plurality of horizontal large-diameter wires 70 and vertical large-diameter wires 80. A plurality of small lattices 101 each having an opening smaller than that of the large lattice 100 are formed by causing the plurality of vertical thin wire rods 90 and the transverse small diameter wire members 91 to intersect at right angles between the large lattices 100. In the large lattice 100, a plurality of small lattices 101 are formed in both the vertical direction and the horizontal direction, and in the large lattice 100, the small lattices 101 are arranged not in one row but in a plurality of rows in a lattice shape. . In FIGS. 3 and 4, only one large lattice 100 and one set of small lattices 101 are denoted by reference numerals in order to prevent complication.

図８は、ファンガード６０のガード性の試験に用いられる試験指Ｔを示す正面図である。
小格子１０１は、略正方形状に構成されており、所定の形状を有する試験指Ｔが小格子１０１を通過できないサイズに設定されている。試験指Ｔは、人の指に見立てて形成された円柱部Ｔ１と、円柱部Ｔ１よりも大径で、円柱部Ｔ１と同軸の円板状に形成されたストッパ部Ｔ２とを備えている。ファンガード６０においては、試験指Ｔをストッパ部Ｔ２がファンガード６０に当接するまで差し込んだ際に、円柱部Ｔ１がプロペラファン２４に接触しないことが求められる。 FIG. 8 is a front view showing a test finger T used for a test of the guard property of the fan guard 60.
The small lattice 101 is configured in a substantially square shape, and is set to a size that prevents the test finger T having a predetermined shape from passing through the small lattice 101. The test finger T includes a cylindrical portion T1 formed as if it were a human finger, and a stopper portion T2 having a larger diameter than the cylindrical portion T1 and formed in a disk shape coaxial with the cylindrical portion T1. In the fan guard 60, it is required that the cylindrical portion T1 does not contact the propeller fan 24 when the test finger T is inserted until the stopper portion T2 contacts the fan guard 60.

本実施の形態では、大格子１００内に小格子１０１を格子状に設けたため、小格子１０１の開口の大きさを、ストッパ部Ｔ２が小格子１０１を通過不能なように、ストッパ部Ｔ２の直径よりもわずかに小さい大きさまで拡大できる。これにより、縦側細径線材９０及び横側細径線材９１の本数を少なくでき、通風面部６１の開口の面積を大きくできるため、送風抵抗を低減できる。一方、従来のように、大格子１００内に小格子１０１を格子状に設けずに、複数の細長の開口を一列設ける場合、この開口の幅をストッパ部Ｔ２の直径よりもわずかに小さい大きさまで拡大すると、開口の大きさが大きくなりすぎてしまい、手の平等が開口を通る虞があるため、上記開口をストッパ部Ｔ２の直径よりもわずかに小さい大きさまで拡大することはできず、送風抵抗は大きくなる。しかし、本実施の形態では、大格子１００内に小格子１０１を格子状に設けたため、小格子１０１の開口をストッパ部Ｔ２の直径よりもわずかに小さい大きさまで拡大しつつ、手の平のような薄くて幅が広いものがファンガード６０を通過することを防止できる。
ここで、一例として、小格子１０１の開口は、一辺が４１（ｍｍ）の正方形であり、試験指Ｔのストッパ部Ｔ２の直径は、５０（ｍｍ）である。 In the present embodiment, since the small lattice 101 is provided in the large lattice 100 in a lattice shape, the size of the opening of the small lattice 101 is set to the diameter of the stopper portion T2 so that the stopper portion T2 cannot pass through the small lattice 101. It can be expanded to a slightly smaller size. Thereby, since the number of the length side fine wire 90 and the width side fine wire 91 can be decreased and the area of the opening of the ventilation surface part 61 can be enlarged, ventilation resistance can be reduced. On the other hand, when a plurality of elongated openings are provided in a row without providing the small lattices 101 in the large lattice 100 as in the prior art, the width of the openings is slightly smaller than the diameter of the stopper portion T2. If enlarged, the size of the opening becomes too large, and there is a possibility that the palm of the hand passes through the opening. Therefore, the opening cannot be enlarged to a size slightly smaller than the diameter of the stopper portion T2, and the blowing resistance is growing. However, in the present embodiment, since the small lattice 101 is provided in the large lattice 100 in a lattice shape, the opening of the small lattice 101 is enlarged to a size slightly smaller than the diameter of the stopper portion T2, and is thin like a palm. Therefore, it is possible to prevent a wide thing from passing through the fan guard 60.
Here, as an example, the opening of the small lattice 101 is a square having a side of 41 (mm), and the diameter of the stopper portion T2 of the test finger T is 50 (mm).

図９は、ファンガード６０の角部近傍を示す斜視図である。
図９に示すように、側面通風面部６２では、傾斜側面部６４の補強線材８４の柱部８４Ｂに各側面側細径線材７１の折り曲げ部７１Ａが接合されることで、傾斜側面部６４と垂直側面部６３と垂直側面部６３とが連結されている。このように、複数の折り曲げ部７１Ａによって傾斜側面部６４と垂直側面部６３との間の隙間を塞ぐため、ファンガード６０の四隅の角部を試験指Ｔが通らないようにすることができる。
また、各側面側細径線材７１及び各側面側細径線材８１の間隔は、これらの間隔を試験指Ｔが通過不能な大きさに形成されている。 FIG. 9 is a perspective view showing the vicinity of the corner of the fan guard 60.
As shown in FIG. 9, in the side ventilation surface portion 62, the bent portion 71 </ b> A of each side-side thin wire 71 is joined to the column portion 84 </ b> B of the reinforcing wire 84 of the inclined side surface portion 64, thereby being perpendicular to the inclined side surface portion 64. The side part 63 and the vertical side part 63 are connected. As described above, since the gap between the inclined side surface portion 64 and the vertical side surface portion 63 is closed by the plurality of bent portions 71A, the test fingers T can be prevented from passing through the four corners of the fan guard 60.
Moreover, the space | interval of each side surface side fine wire 71 and each side surface side thin wire 81 is formed in the magnitude | size which the test finger T cannot pass through these space | intervals.

各垂直側面部６３の下端には、側面側細径線材７１に沿って延びる下部太径線材７９（取り付け部）が設けられている。下部太径線材７９は、室外ユニット１０の天板３０に対するファンガード６０の取り付け部であり、天板３０に当接して取り付けられる。
下部太径線材７９は複数の屈曲部７９Ａを有しており、強度及び剛性が高められている。下部太径線材７９の端部には、Ｕ字状に屈曲されたＵ字状屈曲部７９Ｂが形成されており、下部太径線材７９は、Ｕ字状屈曲部７９Ｂ上に補強ベース部７７Ｃ、ベース部７５及びベース部８４Ｃが接合されるとともに、各支柱部７３の下端に接合されることで、固定されている。また、Ｕ字状屈曲部７９Ｂの内側に形成された孔７９Ｃにはボルト（不図示）が挿通され、ファンガード６０は、四隅の各角部に設けられる孔７９Ｃを介して天板３０にボルト止めされる。 At the lower end of each vertical side surface portion 63, a lower thick wire rod 79 (attachment portion) extending along the side surface thin wire rod 71 is provided. The lower large-diameter wire 79 is an attachment portion of the fan guard 60 to the top plate 30 of the outdoor unit 10 and is attached in contact with the top plate 30.
The lower large-diameter wire 79 has a plurality of bent portions 79A, and has increased strength and rigidity. A U-shaped bent portion 79B bent in a U shape is formed at the end of the lower large diameter wire 79, and the lower large diameter wire 79 has a reinforcing base portion 77C on the U-shaped bent portion 79B. While the base part 75 and the base part 84C are joined, it is being fixed by joining to the lower end of each support | pillar part 73. FIG. Bolts (not shown) are inserted into holes 79C formed inside the U-shaped bent portion 79B, and the fan guard 60 is bolted to the top plate 30 through holes 79C provided at the corners of the four corners. Stopped.

図１０は、室外ユニット１０の搬送時の状態を示す斜視図である。
図１０に示すように、室外ユニット１０が運ばれる際には、室外ユニット１０は、室外ユニット１０の上面に巻き掛けられる一対の固定バンド１１０，１１０によって支持される。固定バンド１１０，１１０は、ファンガード６０の通風面部６１の左右の側縁部に沿って室外ユニット１０の前後に延びるようにして巻き掛けられる。詳細には、固定バンド１１０，１１０は、通風面部６１の前部及び後部にそれぞれ設けられたバンド固定凹部７６Ａ，７６Ｂに通されて凹部に嵌められている。このため、固定バンド１１０，１１０のずれを防止でき、固定バンド１１０，１１０を確実に固定できる。 FIG. 10 is a perspective view showing a state when the outdoor unit 10 is being transported.
As shown in FIG. 10, when the outdoor unit 10 is carried, the outdoor unit 10 is supported by a pair of fixed bands 110 and 110 wound around the upper surface of the outdoor unit 10. The fixed bands 110, 110 are wound around the left and right side edges of the ventilation surface portion 61 of the fan guard 60 so as to extend in the front-rear direction of the outdoor unit 10. Specifically, the fixing bands 110 and 110 are passed through the band fixing recesses 76A and 76B provided in the front part and the rear part of the ventilation surface part 61, respectively, and are fitted into the recesses. For this reason, the shift | offset | difference of the fixed bands 110 and 110 can be prevented, and the fixed bands 110 and 110 can be fixed reliably.

また、固定バンド１１０，１１０は、バンド固定凹部７６Ａ，７６Ｂ、補強太径線材７７の補強支持部７７Ａ、及び、各横側太径線材７０の上面に巻き掛けられており、これらの太径の線材の下方に位置する縦側細径線材９０及び横側細径線材９１に当接しない。このように、強度及び剛性が高い太径の線材で固定バンド１１０，１１０を受けるため、固定バンド１１０，１１０を強く固定でき、室外ユニット１０を強固に固定できる。また、強い緊縛力が作用する各バンド固定凹部７６Ａ，７６Ｂに隣接して補強支持部７７Ａを設け、補強支持部７７Ａに固定バンド１１０，１１０の緊縛力を分散させるため、固定バンド１１０，１１０を強固に固定できる。   The fixing bands 110 and 110 are wound around the band fixing recesses 76A and 76B, the reinforcing support 77A of the reinforcing large-diameter wire 77, and the upper surfaces of the respective large-diameter wires 70. It does not contact the longitudinal thin wire 90 and the lateral thin wire 91 located below the wire. Thus, since the fixed bands 110 and 110 are received by the large-diameter wire having high strength and rigidity, the fixed bands 110 and 110 can be firmly fixed, and the outdoor unit 10 can be firmly fixed. Further, a reinforcing support portion 77A is provided adjacent to each of the band fixing recesses 76A and 76B on which a strong binding force acts, and the fixing bands 110 and 110 are provided to disperse the binding force of the fixing bands 110 and 110 on the reinforcement support portion 77A. Can be firmly fixed.

以上説明したように、本発明を適用した実施の形態によれば、ファンガード６０は、複数の横側太径線材７０及び縦側太径線材８０に複数の横側細径線材９１及び縦側細径線材９０を交差させて形成され、横側太径線材７０及び縦側太径線材８０で構成される大格子１００の間に横側細径線材９１及び縦側細径線材９０で構成される小格子１０１が格子状に配置されるため、横側細径線材９１の間隔及び縦側細径線材９０の間隔を小さくしなくとも、小格子１０１によって手等の侵入を防止でき、横側細径線材９１及び縦側細径線材９０の本数を削減できる。このため、ファンガード６０への手等の侵入を防止しつつ、送風抵抗を低減できる。   As described above, according to the embodiment to which the present invention is applied, the fan guard 60 includes the plurality of lateral large-diameter wires 70 and the longitudinal large-diameter wires 80 in addition to the plurality of lateral small-diameter wires 91 and the longitudinal sides. It is formed by crossing thin wire rods 90, and is composed of a horizontal thin wire rod 91 and a vertical thin wire rod 90 between a large lattice 100 composed of a horizontal thick wire rod 70 and a vertical thick wire rod 80. Since the small lattices 101 are arranged in a lattice shape, the small lattice 101 can prevent intrusion of a hand or the like without reducing the interval between the horizontal thin wire rods 91 and the interval between the vertical thin wire rods 90. The number of the thin wire 91 and the vertical thin wire 90 can be reduced. For this reason, ventilation resistance can be reduced, preventing the penetration | invasion of the hand etc. to the fan guard 60. FIG.

また、横側細径線材９１及び縦側細径線材９０を組み合わせて格子状の細径格子部材６８を形成し、この細径格子部材６８を、横側太径線材７０及び縦側太径線材８０で構成されたフレーム部６７で支持するため、横側細径線材９１及び縦側細径線材９０で細径格子部材６８を形成しておき、この細径格子部材６８をフレーム部６７で支持することで通風面部６１を形成でき、通風面部６１を簡単に形成できるとともに、通風面部６１の強度及び剛性を向上できる。   Further, the horizontal thin wire rod 91 and the vertical thin wire rod 90 are combined to form a lattice-shaped fine lattice member 68, and the fine lattice member 68 is formed into the horizontal thick wire rod 70 and the vertical thick wire rod. In order to be supported by the frame portion 67 composed of 80, a small-diameter lattice member 68 is formed by the lateral thin-diameter wire material 91 and the vertical-side thin wire material 90, and this fine-diameter lattice member 68 is supported by the frame portion 67. Thus, the ventilation surface portion 61 can be formed, the ventilation surface portion 61 can be easily formed, and the strength and rigidity of the ventilation surface portion 61 can be improved.

また、室外ユニット１０を搬送する際に用いられる固定バンド１１０，１１０が取り付けられるバンド固定凹部７６Ａ，７６Ｂが通風面部６１に設けられ、バンド固定凹部７６Ａ，７６Ｂは、横側太径線材７０に形成されるため、強度及び剛性が高い横側太径線材７０のバンド固定凹部７６Ａ，７６Ｂに固定バンド１１０，１１０を取付けでき、室外ユニット１０を強固に固定できる。また、垂直側面部６３，６３には、固定バンド１１０，１１０を設けることは困難であるが、横側太径線材７０にバンド固定凹部７６Ａ，７６Ｂを設けるため、通風面部６１に固定バンド１１０，１１０を固定できる。このため、ファンガード６０に固定バンド１１０，１１０を固定でき、固定バンド１１０，１１０を設けるための専用の部材を設ける必要がない。   Band fixing recesses 76A and 76B to which fixing bands 110 and 110 used for transporting the outdoor unit 10 are attached are provided in the ventilation surface portion 61, and the band fixing recesses 76A and 76B are formed in the lateral large-diameter wire 70. Therefore, the fixing bands 110 and 110 can be attached to the band fixing recesses 76A and 76B of the large-diameter side wire 70 having high strength and rigidity, and the outdoor unit 10 can be firmly fixed. Further, although it is difficult to provide the fixing bands 110 and 110 on the vertical side surface parts 63 and 63, since the band fixing recesses 76 </ b> A and 76 </ b> B are provided on the lateral large-diameter wire 70, 110 can be fixed. For this reason, the fixed bands 110 and 110 can be fixed to the fan guard 60, and there is no need to provide a dedicated member for providing the fixed bands 110 and 110.

さらに、通風面部６１は、通風面部６１の周縁から送風機２２の吹出口２５Ａの周縁部２５Ｂに向かって延びる側面通風面部６２を介して吹出口２５Ａの天板３０に固定され、側面通風面部６２は、通風面部６１から天板３０に向けて垂直に延びる垂直側面部６３，６３を有し、垂直側面部６３，６３は周縁部２５Ｂの外側に設けられるため、垂直側面部６３，６３が吹出口２５Ａの周縁部２５Ｂから吹き出される風の邪魔にならず、送風抵抗を低減できる。本実施の形態では、垂直側面部６３，６３を左右の化粧パネル２９の延長線上に設けることで、垂直側面部６３，６３を周縁部２５Ｂの外側に設けたため、送風抵抗を低減できるが、室外ユニット１０の上面側に固定バンド１１０，１１０を固定することが難しい。しかし、通風面部６１の横側太径線材７０にバンド固定凹部７６Ａ，７６Ｂを設けたため、送風抵抗を低減しつつ、室外ユニット１０の上面に固定バンド１１０，１１０を固定できる。   Further, the ventilation surface portion 61 is fixed to the top plate 30 of the air outlet 25A via the side air surface surface portion 62 extending from the periphery of the airflow surface portion 61 toward the peripheral edge portion 25B of the air outlet 25A of the blower 22, and the side airflow surface portion 62 is Since the vertical side surfaces 63 and 63 extend vertically from the ventilation surface 61 toward the top plate 30 and the vertical side surfaces 63 and 63 are provided outside the peripheral edge portion 25B, the vertical side surfaces 63 and 63 are formed as outlets. The air blowing resistance can be reduced without interfering with the wind blown from the peripheral portion 25B of 25A. In the present embodiment, by providing the vertical side surface parts 63, 63 on the extension line of the left and right decorative panels 29, the vertical side surface parts 63, 63 are provided outside the peripheral edge part 25B. It is difficult to fix the fixing bands 110 and 110 to the upper surface side of the unit 10. However, since the band fixing concave portions 76A and 76B are provided in the large-diameter wire rod 70 on the lateral side of the ventilation surface portion 61, the fixing bands 110 and 110 can be fixed to the upper surface of the outdoor unit 10 while reducing the blowing resistance.

また、側面通風面部６２が天板３０に取り付けられる取り付け部である下部太径線材７９では、下部太径線材７９が屈曲されているため、ファンガード６０の強度及び剛性を向上できる。   Further, in the lower large-diameter wire rod 79, which is an attachment portion where the side ventilation surface portion 62 is attached to the top plate 30, the strength and rigidity of the fan guard 60 can be improved because the lower large-diameter wire rod 79 is bent.

なお、上記実施の形態は本発明を適用した一態様を示すものであって、本発明は上記実施の形態に限定されるものではない。
上記実施の形態では、大格子１００内に小格子１０１を格子状に設けるものとして説明したが、本発明はこれに限定されるものではない。例えば、縦側太径線材８０の複数の支持部８２を設けずに横側太径線材７０のみを複数設け、複数の横側太径線材７０間に小格子１０１を格子状に形成しても良い。
また、上記実施の形態では、ファンガード６０は、上面吹き出しタイプの室外ユニット１０に設けられるものとして説明したが、これに限らず、本発明はファンを覆うファンガードであれば適用可能であり、例えば、ファンガード６０は、横吹出しタイプの室外ユニットに設けられても良い。 In addition, the said embodiment shows the one aspect | mode which applied this invention, Comprising: This invention is not limited to the said embodiment.
In the above embodiment, the small lattice 101 is provided in the large lattice 100 in a lattice shape, but the present invention is not limited to this. For example, a plurality of horizontal large-diameter wires 70 may be provided without providing the plurality of support portions 82 of the vertical large-diameter wire 80, and the small lattice 101 may be formed in a lattice shape between the plurality of horizontal large-diameter wires 70. good.
Moreover, in the said embodiment, although the fan guard 60 demonstrated as what was provided in the upper surface blowing type outdoor unit 10, it is not restricted to this, The present invention is applicable if it is a fan guard which covers a fan, For example, the fan guard 60 may be provided in a lateral outlet type outdoor unit.

［変形例］
図１１は、実施の形態の変形例におけるファンガード１６０の角部近傍を示す斜視図である。
上記実施の形態では、側面側細径線材７１の複数の折り曲げ部７１Ａによって傾斜側面部６４と垂直側面部６３との間の隙間を塞ぐものとして説明したが、この変形例では、１本の補強線材１２０によって上記隙間を塞いでいる。
なお、この変形例１において、上記実施の形態と同様に構成される部分については、同符号を付して説明を省略する。 [Modification]
FIG. 11 is a perspective view showing the vicinity of a corner portion of fan guard 160 in a modification of the embodiment.
In the above-described embodiment, the description has been given assuming that the gap between the inclined side surface portion 64 and the vertical side surface portion 63 is closed by the plurality of bent portions 71A of the side surface side small-diameter wire 71. The gap is closed by the wire 120.
In addition, in this modification 1, about the part comprised similarly to the said embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted.

図１１に示すように、各支柱部７３の上部には、側面側細径線材７１と平行に延びる１本の補強線材１２０が接合され、補強線材１２０の両端部は、傾斜側面部６４と垂直側面部６３との間の隙間に延出する延出部１２１となっている。延出部１２１は、支柱部７３側から斜め下方に延びて傾斜側面部６４の支柱部８３に当接する第１屈曲部１２１Ａと、第１屈曲部１２１Ａから折り返されて支柱部７３に当接する第２屈曲部１２１Ｂとを有している。第１屈曲部１２１Ａは支柱部８３に接合され、第２屈曲部１２１Ｂは支柱部７３に接合されている。   As shown in FIG. 11, a single reinforcing wire 120 extending in parallel with the side-side thin wire 71 is joined to the upper portion of each column portion 73, and both ends of the reinforcing wire 120 are perpendicular to the inclined side surface 64. The extending portion 121 extends into the gap between the side surface portion 63. The extending part 121 extends obliquely downward from the column part 73 side and comes into contact with the column part 83 of the inclined side surface part 64, and the first bent part 121A is folded back from the first bent part 121A and contacts the column part 73. 2 bent portions 121B. The first bent portion 121 </ b> A is bonded to the column portion 83, and the second bent portion 121 </ b> B is bonded to the column portion 73.

このように、補強線材１２０の延出部１２１によって、傾斜側面部６４と垂直側面部６３との間の隙間を簡単に塞ぐことができる。延出部１２１が設けられることで、試験指Ｔのストッパ部Ｔ２は、上記隙間に侵入できなくなる。また、第１屈曲部１２１Ａ及び第２屈曲部１２１Ｂが支柱部８３，７３にそれぞれ接合されるため、ファンガード１６０の角部の強度及び剛性を確保できる。このため、バンド固定凹部７６Ａ，７６Ｂに固定バンド１１０を強固に固定できる。   Thus, the gap between the inclined side surface portion 64 and the vertical side surface portion 63 can be easily blocked by the extending portion 121 of the reinforcing wire 120. By providing the extending portion 121, the stopper portion T2 of the test finger T cannot enter the gap. Further, since the first bent portion 121A and the second bent portion 121B are joined to the support portions 83 and 73, respectively, the strength and rigidity of the corner portion of the fan guard 160 can be ensured. For this reason, the fixing band 110 can be firmly fixed to the band fixing recesses 76A and 76B.

１０ 室外ユニット
２２ 送風機
２４ プロペラファン（ファン）
２５Ａ 吹出口
２５Ｂ 周縁部
３０ 天板（固定面）
６０，１６０ ファンガード
６１ 通風面部
６２ 側面通風面部（側面部）
６３，６３ 垂直側面部
６７ フレーム部
６８ 細径格子部材
７０ 横側太径線材（太径線材）
７６Ａ，７６Ｂ バンド固定凹部（バンド固定部）
７９ 下部大径線材（取り付け部）
８０ 縦側太径線材（太径線材）
９０ 縦側細径線材（細径線材）
９１ 横側細径線材（細径線材）
１１０ 固定バンド 10 Outdoor unit 22 Blower 24 Propeller fan (fan)
25A Air outlet 25B Peripheral part 30 Top plate (fixed surface)
60,160 Fan guard 61 Ventilation surface portion 62 Side ventilation surface portion (side surface portion)
63, 63 Vertical side surface portion 67 Frame portion 68 Small-diameter lattice member 70 Side-side large-diameter wire (large-diameter wire)
76A, 76B Band fixing recess (band fixing part)
79 Lower large-diameter wire (attachment part)
80 Longitudinal large-diameter wire (thick wire)
90 Longitudinal thin wire (thin wire)
91 Lateral narrow wire (thin wire)
110 fixed band

Claims (7)

複数の太径線材を交差させて全周が当該太径線材で構成された複数の大格子を形成し、この大格子間に細径線材を格子状に配置して小格子が形成されたことを特徴とするファンガード。 A plurality of large-diameter wires are crossed to form a plurality of large lattices whose entire circumference is composed of the large- diameter wires, and a small lattice is formed by arranging thin-diameter wires in a lattice pattern between the large lattices. A fan guard characterized by 前記細径線材を組み合わせて格子状の細径格子部材を形成し、この細径格子部材を、前記太径線材で構成されたフレーム部で支持して構成したことを特徴とする請求項１記載のファンガード。   2. A thin lattice member having a lattice shape is formed by combining the thin wire members, and the thin lattice member is supported by a frame portion made of the thick wire member. Fan guard. 前記ファンガードは箱形であり、通風面部と垂直側面部とを有し、
室外ユニットを搬送する際に用いられる固定バンドが取り付けられるバンド固定部が前記通風面部に設けられ、当該バンド固定部は、前記太径線材に形成されていることを特徴とする請求項１または２に記載のファンガード。 The fan guard has a box shape, and has a ventilation surface portion and a vertical side surface portion,
The band fixing part to which the fixing band used when conveying an outdoor unit is attached is provided in the said ventilation surface part, and the said band fixing part is formed in the said large diameter wire. Fan guard as described in. 前記通風面部は、当該通風面部の周縁から送風機の吹出口の周縁部に向かって延びる側面部を介して前記吹出口の固定面に固定され、前記側面部は、前記通風面部から前記固定面に向けて垂直に延びる前記垂直側面部を有し、当該垂直側面部は前記吹出口の前記周縁部の外側に設けられることを特徴とする請求項３記載のファンガード。   The ventilation surface portion is fixed to a fixed surface of the air outlet through a side surface portion extending from a peripheral edge of the ventilation surface portion toward a peripheral edge portion of the blower outlet of the blower, and the side surface portion extends from the ventilation surface portion to the fixed surface. 4. The fan guard according to claim 3, wherein the fan guard includes the vertical side surface portion extending vertically toward the outside, and the vertical side surface portion is provided outside the peripheral edge portion of the air outlet. 前記側面部が前記固定面に取り付けられる取り付け部では、線材が屈曲されていることを特徴とする請求項４記載のファンガード。   The fan guard according to claim 4, wherein a wire rod is bent at an attachment portion where the side surface portion is attached to the fixed surface. 室外ユニットの吹出口に設けられ送風機のファンを覆うファンガードを備えた空気調和装置において、
前記ファンガードは、複数の太径線材を交差させて全周が当該太径線材で構成された複数の大格子が形成され、この大格子間に細径線材が格子状に配置されて小格子が形成されたことを特徴とする空気調和装置。 In the air conditioner provided with a fan guard provided at the outlet of the outdoor unit and covering the fan of the blower,
The fan guard is formed by crossing a plurality of large- diameter wires to form a plurality of large lattices whose entire circumference is composed of the large- diameter wires, and the small-diameter wires are arranged in a lattice shape between the large lattices. An air conditioner characterized in that is formed . 前記大格子は、複数の横側太径線材と、この横側太径線材に交差する複数の縦側太径線材とを備え、前記細径格子部材は、前記横側太径線材と前記縦側太径線材との間に挟んで設けられることを特徴とする請求項２記載のファンガード。  The large lattice includes a plurality of horizontal large-diameter wires and a plurality of vertical large-diameter wires intersecting the horizontal large-diameter wires, and the thin lattice member includes the horizontal large-diameter wires and the vertical wires. 3. The fan guard according to claim 2, wherein the fan guard is interposed between the large-diameter side wires.
JP2011157956A 2011-07-19 2011-07-19 Fan guard and air conditioner Expired - Fee Related JP5899489B2 (en)

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