JP4346171B2 - Air conditioner outdoor unit - Google Patents

Air conditioner outdoor unit Download PDF

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Publication number
JP4346171B2
JP4346171B2 JP27889699A JP27889699A JP4346171B2 JP 4346171 B2 JP4346171 B2 JP 4346171B2 JP 27889699 A JP27889699 A JP 27889699A JP 27889699 A JP27889699 A JP 27889699A JP 4346171 B2 JP4346171 B2 JP 4346171B2
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JP
Japan
Prior art keywords
outdoor unit
waterproof
casing
cabinet
waterproof cover
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
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JP27889699A
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Japanese (ja)
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JP2001099448A (en
Inventor
月 一 仁 若
村 俊 彦 河
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Toshiba Carrier Corp
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Toshiba Carrier Corp
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Priority to JP27889699A priority Critical patent/JP4346171B2/en
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  • Casings For Electric Apparatus (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、空気調和機の室外機に係り、特に、室外機の電気部品回りの防水構造を改良した空気調和機の室外機に関する。
【0002】
【従来の技術】
室内機と室外機とが分離している分離式の空気調和機では、通常、室外機は野外に設置されて風雨にさらされる機会が多い。室外機には、その内部に電気配線類を含む多くの電装品があり、結露水対策の断熱対策や外部からの水浸入防止のための防水対策を講じて電気配線の電気的絶縁維持を図る必要がある。
【0003】
そこで、従来の防水構造を有する室外機を図4に示す。
この図4において、符号10は分離式空気調和機の室外機を示す。室外機10の筐体は、前キャビネット11、後キャビネット12、上キャビネット13から構成されている。この筐体の内部には、室外熱交換器14、圧縮機など冷凍サイクルを構成する機械部品とともに、各種電装品の入った電気部品箱15が収納されている。電気部品箱15の回りには、結露対策、水浸入防止対策の必要な次のような箇所に発泡ポリエチレンを材料とする断熱材やシール材が貼り着けられている。
【0004】
16は、電気部品箱15の表面に結露が生じるのを防止するために、上キャビネット13の裏面に貼着されている結露対策用断熱材である。また、水の浸入防止対策としては、前キャビネット11のコーナー部には防水シール材17が、後キャビネット12のコーナー部には防水シール材18がそれぞれ裏側に接着剤で貼着されている。さらに、前キャビネット11と後キャビネット12の合わせ部には、その隙間からの水の浸入を防止するために防水シール材19が裏側に接着剤で貼着されている。
【0005】
【発明が解決しようとする課題】
しかしながら、従来の室外機にあっては、電気部品箱15回りの必要な箇所にそれぞれ結露対策用断熱材16、防水シール材17、18、19を個別に貼り付けているため、これらの部品点数が増え、貼り着ける工程だけ組立の工数がかかる。
また、近年では、廃棄された室外機を資源リサイクルを目的として回収しキャビネットなどの板金を再利用することが行われているが、結露対策用断熱材16や防水シール材17、18、19は接着材を用いて貼り着けられているため、リサイクルのために分解する際にこれを剥がすのに非常な手間がかかるという問題がある。
【0006】
そこで、本発明の目的は、前記従来技術の有する問題点を解消し、防水および断熱の必要な箇所を個別に手当することなく十分な防水性能を十分に確保した上で、組立性、リサイクルのための分解・分別性に優れ、防水構造の部品点数、部品コストを削減できるようにした空気調和機の室外機を提供することにある。
【0007】
【課題を解決するための手段】
前記の目的を達成するために、請求項1に記載した発明は、室外機の前キャビネット、後キャビネット、上キャビネット、および筐体ベースから組み立てられる筐体内に各種電装品類が収容された電気部品箱を有する空気調和機の室外機において、前記電気部品箱を覆う防水カバーに、折り曲げて組立可能な展開形状を有する防水性および断熱性を有する発泡樹脂素材からなる防水カバーを用い、前記防水カバーは、前記電気部品箱の上面に接し結露防止断熱部としての平面部と、前記平面部から下方に延び、室内機の筐体上部コーナー部からの水の浸入を防止する防水部としての少なくとも1以上の側面部と、の一体構造からなり、前記防水カバーは、室外機の筐体の内寸に収まる外形寸法を有し、該防水カバーを、前記筐体の前キャビネット、後キャビネットの内側に曲がった各上縁部に前記平面部の周縁部を係合させることにより、前記室外機の筐体構造を利用して前記電気部品箱回りに位置決めするようにしたことを特徴とするものである。
【0008】
この請求項1に係る発明によれば、防水シール材を個別に貼り付けることなく、防水カバーを電気部品箱回りに取り付けるだけで、結露防止と防水の必要な箇所を一度に手当することができ、しかも、接着材も一切使用することなく、筐体構造をそのまま利用することで簡単に取り付けることができるため、廃棄時の分解、分別の際の取り外しも簡単に行えることができるようになる。
【0012】
【発明の実施の形態】
以下、本発明による空気調和機の室外機の一実施形態について、添付の図面を参照しながら説明する。
図1および図2は、本発明の一実施形態による空気調和機の室外機を示す。この室外機20の筐体は、前キャビネット11、後キャビネット12、上キャビネット13および筐体ベース21から組み立てられている。この室外機20の筐体の内部には、室外熱交換器14、圧縮機22、冷媒配管23などの冷凍サイクルを構成する機械構成部品が収容されている。24は熱交換器用のファンを示し、このファン24はボス25を介してファン用電動機26に取り付けられている。空気調和機の動力電気回路や制御回路に用いられる各種電装品が収容された電気部品箱15は、筐体上部において前キャビネット11の上部コーナー部14aに寄った位置に取り付けられている。
【0013】
符号30は、本発明で用いられる防水カバーを示している。この防水カバー30は、防水性および断熱性に優れた樹脂材料、好ましくは発泡ポリエチレンの板状素材を図3に示すような展開形状に裁断して、実際に電気部品箱15回りに取り付ける場合には、これを図1に示す立体形状に折り曲げることができるようになっている。
【0014】
この実施形態では、防水カバー30は、断熱部としての平面部31、防水部としての第1の側面部32、第2の側面部33a、第3の側面部33bの各部分が一体となっていて、平面部31に対してそれぞれ第1側面部32、第2側面部33a、33bとがミシン目やハーフカットなどの弱め線を介してつながっており、このミシン目などを入れることで第1側面部32、第2側面部33a、第3側面部33bが折れ曲がり易いようになっている。
【0015】
このような防水カバー30では、図1に示すように、平面部31は電気部品箱15の上面に密着して結露防止の断熱材として機能する部分であり、電気部品箱を余裕をもって十分に覆えるだけ面積を有し、かつ浸入した水を筐体内壁に沿わせて排水できるように、室外機筐体の内寸にちょうどぴったりと収まる外形寸法をもっている。他方、防水カバー30の第1側面部32の前側半分と第2側面部33aとは、前キャビネット11の上部コーナー部11aの内壁部に倣った形状に折れ曲がり、この上部コーナー部11aと上キャビネット13の板金合わせ部にわずかにできる隙間からの水の浸入を防止する防水材として機能する部分である。同じように、防水カバー30の第1側面部32の後側半分と第3側面部33bは、後キャビネット12の上部コーナー部12aの内壁部に倣った形状に折れ曲がり、この上部コーナー部12aと上キャビネット13の板金合わせ部にわずかにできる隙間からの水の浸入を防止する防水材として機能する。
【0016】
また、図1に示すように、それぞれ前キャビネット11と後キャビネット12の上部コーナー部11a、12aに防水カバー30の第1側面部32、第2側面部33a、第3側面部33bをあてがうようにして電気部品箱15の上に防水カバー30を載せ、その上から上キャビネット13を取り付けることによって、防水カバー30を上キャビネット13と電気部品箱の間で挟むようにして位置決めすることができる。さらに、この実施形態では、前キャビネット11の内側に曲がった上縁部11bおよび後キャビネット11の内側に曲がった上縁部12bに平面部31の周縁部を係合させることができるため、位置決めを確実にすることができる。また、防水カバー30には、第1側面部32に切れ目を入れて第1側面部32を折ったときに出っ張り部34となるようにすると、この出っ張り部34を上キャビネット13と後キャビネット12の配線開口部36の上方で内側に曲がった上縁部12cとで挟むようにして、さらに位置決めおよび位置ずれを防止することができる。
【0017】
このようにして、本実施の形態によれば、従来のように結露防止の断熱材シートを上キャビネット13の裏面に接着材を用いて貼り付け、さらに、各キャビネット11、12、13の板金合わせ部からの水の浸入を防止するために、前キャビネット11の上部コーナー部11aや後キャビネット12の上部コーナー部12aといった部分に防水シール材を個別に貼り付けることなく、防水カバー30を電気部品箱15回りに取り付けるだけで、結露防止と防水の必要な箇所を一度に手当することができる。しかも、前キャビネット11、後キャビネット12、上キャビネット13に特に手を加えることなく、接着材も一切使用することなく、そのもともとの筐体構造をそのまま利用することで防水カバー30を簡単に取り付けることができるため、廃棄時の分解、分別の際の取り外しも簡単に行えることができる。
【0018】
以上、本発明について、好適な実施形態を挙げて説明したが、防水カバー30の具体的な形状は室外機の仕様、構造等に対応させて変えられることはもちろんである。また、上述の実施形態は、防水カバー30を金型製作費をかけずに安価に製作できるように板状素材を折り曲げるようにしたが、本発明が適用される室外機の筐体構造に応じて、取り付け易く、断熱および防水効果の高い形状に金型を用いてモールド一体成形するようにしてもよい。
【0019】
【発明の効果】
以上の説明から明らかなように、本発明によれば、防水および断熱の必要な箇所を個別に手当することなく十分な防水性能を十分に確保できるとともに、組立性、リサイクルのための分解・分別性を顕しく向上させ、さらに防水構造の部品点数、部品コストを削減することができる。
【図面の簡単な説明】
【図1】本発明による空気調和機の室外機の一実施形態を示す斜視図。
【図2】同空気調和機の室外機の組み立て分解図。
【図3】本発明による空気調和機の室外機に用いられる防水カバーの展開図。
【図4】従来の空気調和機の室外機の防水構造を示す斜視図。
【符号の説明】
11 前キャビネット
12 後キャビネット
13 上キャビネット
14 室外熱交換器
15 電気部品箱
20 室外機
21 筐体ベース
30 防水カバー
31 平面部(断熱部)
32 側面部(防水部)
33a、33b(防水部)
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an outdoor unit of an air conditioner, and more particularly to an outdoor unit of an air conditioner that has an improved waterproof structure around an electrical component of the outdoor unit.
[0002]
[Prior art]
In a separation-type air conditioner in which an indoor unit and an outdoor unit are separated, the outdoor unit is usually installed outdoors and exposed to wind and rain. Outdoor units have many electrical components, including electrical wiring, and are designed to maintain the electrical insulation of electrical wiring by taking insulation measures against condensed water and waterproofing measures to prevent water from entering from outside. There is a need.
[0003]
FIG. 4 shows a conventional outdoor unit having a waterproof structure.
In this FIG. 4, the code | symbol 10 shows the outdoor unit of a separation type air conditioner. The casing of the outdoor unit 10 includes a front cabinet 11, a rear cabinet 12, and an upper cabinet 13. Inside this housing, an electrical component box 15 containing various electrical components is housed together with mechanical components constituting a refrigeration cycle such as an outdoor heat exchanger 14 and a compressor. Around the electrical component box 15, a heat insulating material and a sealing material made of foamed polyethylene are attached to the following places where countermeasures for condensation and water intrusion prevention are necessary.
[0004]
Reference numeral 16 denotes a heat insulating material for preventing condensation, which is attached to the back surface of the upper cabinet 13 in order to prevent condensation on the surface of the electrical component box 15. Further, as a countermeasure against water intrusion, a waterproof seal material 17 is attached to the corner portion of the front cabinet 11 and a waterproof seal material 18 is attached to the back side of the corner portion of the rear cabinet 12 with an adhesive. Further, a waterproof sealing material 19 is adhered to the back side of the mating portion of the front cabinet 11 and the rear cabinet 12 with an adhesive in order to prevent water from entering through the gap.
[0005]
[Problems to be solved by the invention]
However, in the conventional outdoor unit, the anti-condensation heat-insulating material 16 and the waterproof seal materials 17, 18, and 19 are individually attached to necessary portions around the electric component box 15, respectively. As a result, the number of man-hours for assembly is increased only for the process of attaching.
In recent years, discarded outdoor units have been collected for the purpose of resource recycling, and sheet metal such as cabinets has been reused. However, the anti-condensation heat insulating material 16 and the waterproof seal materials 17, 18, and 19 Since it is attached using an adhesive, there is a problem that it takes a lot of labor to peel it off when disassembling for recycling.
[0006]
Therefore, the object of the present invention is to solve the problems of the prior art, and to ensure sufficient waterproof performance without individually applying the places where waterproofing and heat insulation are required, and to ensure ease of assembly and recycling. Therefore, an object of the present invention is to provide an outdoor unit for an air conditioner that is excellent in disassembly / separation performance and can reduce the number of parts and parts cost of a waterproof structure.
[0007]
[Means for Solving the Problems]
To achieve the above object, the invention described in claim 1 is an electrical component box in which various electrical components are housed in a casing assembled from a front cabinet, a rear cabinet, an upper cabinet, and a casing base of an outdoor unit. In the outdoor unit of an air conditioner having a waterproof cover that covers the electrical component box, a waterproof cover made of a foamed resin material having a waterproof and heat-insulating property having a deployed shape that can be folded and assembled, and the waterproof cover is , At least one or more as a waterproof part that contacts the upper surface of the electrical component box and serves as a dew condensation preventing heat insulating part, and extends downward from the flat part to prevent water from entering from the upper corner of the casing of the indoor unit It becomes the and side portions, the integral structure of the waterproof cover has an outer dimension to fit into the inside dimension of the housing of the outdoor unit, a waterproof cover, prior to the housing cabinet DOO, by engaging the periphery of the flat portion in the upper edge portions bent inwardly of the rear cabinet, it has to be positioned at the electrical component box around by using the casing structure of the outdoor unit It is characterized by.
[0008]
According to the first aspect of the present invention, it is possible to provide a portion that requires condensation prevention and waterproofing at a time by simply attaching the waterproof cover around the electrical component box without attaching the waterproof seal material individually. Moreover, since it can be easily attached by using the housing structure as it is without using any adhesive, it can be easily disassembled at the time of disposal and removed at the time of separation.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of an outdoor unit of an air conditioner according to the present invention will be described with reference to the accompanying drawings.
1 and 2 show an outdoor unit of an air conditioner according to an embodiment of the present invention. The casing of the outdoor unit 20 is assembled from the front cabinet 11, the rear cabinet 12, the upper cabinet 13, and the casing base 21. Inside the casing of the outdoor unit 20, mechanical components that constitute the refrigeration cycle such as the outdoor heat exchanger 14, the compressor 22, and the refrigerant pipe 23 are accommodated. Reference numeral 24 denotes a heat exchanger fan. The fan 24 is attached to a fan electric motor 26 via a boss 25. An electrical component box 15 in which various electrical components used for a power electrical circuit and a control circuit of the air conditioner are accommodated is attached to a position near the upper corner portion 14a of the front cabinet 11 in the upper part of the casing.
[0013]
Reference numeral 30 denotes a waterproof cover used in the present invention. This waterproof cover 30 is used when a resin material excellent in waterproofness and heat insulation, preferably a foamed polyethylene plate-like material, is cut into a developed shape as shown in FIG. Can be bent into the three-dimensional shape shown in FIG.
[0014]
In this embodiment, the waterproof cover 30 includes a flat part 31 as a heat insulating part, a first side part 32 as a waterproof part, a second side part 33a, and a third side part 33b. The first side surface portion 32 and the second side surface portions 33a and 33b are connected to the flat surface portion 31 through weak lines such as perforations and half cuts. The side surface portion 32, the second side surface portion 33a, and the third side surface portion 33b are easily bent.
[0015]
In such a waterproof cover 30, as shown in FIG. 1, the flat surface portion 31 is a portion that is in close contact with the upper surface of the electrical component box 15 and functions as a heat insulating material for preventing condensation, and sufficiently covers the electrical component box with a margin. As much as possible, it has an outer dimension that fits exactly inside the size of the outdoor unit casing so that the infiltrated water can be drained along the inner wall of the casing. On the other hand, the front half of the first side surface portion 32 and the second side surface portion 33a of the waterproof cover 30 are bent into a shape following the inner wall portion of the upper corner portion 11a of the front cabinet 11, and the upper corner portion 11a and the upper cabinet 13 are bent. This is a part that functions as a waterproofing material that prevents water from entering through a slight gap formed in the sheet metal mating part. Similarly, the rear half of the first side surface portion 32 and the third side surface portion 33b of the waterproof cover 30 are bent into a shape that follows the inner wall portion of the upper corner portion 12a of the rear cabinet 12, and the upper corner portion 12a It functions as a waterproof material that prevents water from entering through a gap that is slightly formed in the sheet metal mating portion of the cabinet 13.
[0016]
Further, as shown in FIG. 1, the first side surface portion 32, the second side surface portion 33a, and the third side surface portion 33b of the waterproof cover 30 are assigned to the upper corner portions 11a and 12a of the front cabinet 11 and the rear cabinet 12, respectively. By mounting the waterproof cover 30 on the electrical component box 15 and attaching the upper cabinet 13 from above, the waterproof cover 30 can be positioned so as to be sandwiched between the upper cabinet 13 and the electrical component box. Furthermore, in this embodiment, the peripheral edge portion of the flat surface portion 31 can be engaged with the upper edge portion 11b bent to the inner side of the front cabinet 11 and the upper edge portion 12b bent to the inner side of the rear cabinet 11. Can be sure. Further, when the waterproof cover 30 is cut into the first side surface portion 32 and becomes the protruding portion 34 when the first side surface portion 32 is folded, the protruding portion 34 is connected to the upper cabinet 13 and the rear cabinet 12. Positioning and misalignment can be further prevented by sandwiching the upper edge portion 12c bent inward above the wiring opening 36.
[0017]
Thus, according to the present embodiment, a heat insulating material sheet for preventing dew condensation is attached to the back surface of the upper cabinet 13 using an adhesive as in the prior art, and sheet metal bonding of each cabinet 11, 12, 13 is further performed. In order to prevent the intrusion of water from the section, the waterproof cover 30 is attached to the electrical component box without separately attaching a waterproof seal material to the upper corner section 11a of the front cabinet 11 or the upper corner section 12a of the rear cabinet 12. Just by attaching around 15, you can pay for the places that need dew condensation prevention and waterproofing at once. In addition, the waterproof cover 30 can be easily attached by using the original casing structure as it is without adding any special hand to the front cabinet 11, the rear cabinet 12, and the upper cabinet 13, and without using any adhesive. Therefore, disassembly at the time of disposal and removal at the time of separation can be easily performed.
[0018]
Although the present invention has been described with reference to a preferred embodiment, the specific shape of the waterproof cover 30 can be changed according to the specifications, structure, etc. of the outdoor unit. Further, in the above-described embodiment, the plate-shaped material is bent so that the waterproof cover 30 can be manufactured inexpensively without incurring mold manufacturing costs. However, depending on the case structure of the outdoor unit to which the present invention is applied. Thus, the mold may be integrally formed using a mold in a shape that is easy to attach and has a high heat insulating and waterproof effect.
[0019]
【The invention's effect】
As is clear from the above description, according to the present invention, sufficient waterproof performance can be sufficiently secured without individually applying waterproof and heat-insulating parts, and disassembly / sorting for assembling and recycling. It is possible to significantly improve the performance, and further reduce the number of parts and parts cost of the waterproof structure.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of an outdoor unit of an air conditioner according to the present invention.
FIG. 2 is an exploded view of the outdoor unit of the air conditioner.
FIG. 3 is a development view of a waterproof cover used in an outdoor unit of an air conditioner according to the present invention.
FIG. 4 is a perspective view showing a waterproof structure of an outdoor unit of a conventional air conditioner.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 Front cabinet 12 Rear cabinet 13 Upper cabinet 14 Outdoor heat exchanger 15 Electric component box 20 Outdoor unit 21 Housing base 30 Waterproof cover 31 Plane part (heat insulation part)
32 Side (waterproof)
33a, 33b (waterproof part)

Claims (1)

室外機の前キャビネット、後キャビネット、上キャビネット、および筐体ベースから組み立てられる筐体内に各種電装品類が収容された電気部品箱を有する空気調和機の室外機において、
前記電気部品箱を覆う防水カバーに、折り曲げて組立可能な展開形状を有する防水性および断熱性を有する発泡樹脂素材からなる防水カバーを用い、
前記防水カバーは、前記電気部品箱の上面に接し結露防止断熱部としての平面部と、前記平面部から下方に延び、室内機の筐体上部コーナー部からの水の浸入を防止する防水部としての少なくとも1以上の側面部と、の一体構造からなり、
前記防水カバーは、室外機の筐体の内寸に収まる外形寸法を有し、該防水カバーを、前記筐体の前キャビネット、後キャビネットの内側に曲がった各上縁部に前記平面部の周縁部を係合させることにより、前記室外機の筐体構造を利用して前記電気部品箱回りに位置決めするようにしたことを特徴とする空気調和機の室外機。
In an outdoor unit of an air conditioner having an electrical component box in which various electrical components are accommodated in a casing assembled from the front cabinet, rear cabinet, upper cabinet, and casing base of the outdoor unit,
Using a waterproof cover made of a foamed resin material having a waterproof and heat-insulating property having a developed shape that can be folded and assembled to the waterproof cover that covers the electrical component box,
The waterproof cover is in contact with the upper surface of the electrical component box, as a flat portion as a dew condensation preventing heat insulating portion, and as a waterproof portion that extends downward from the flat portion and prevents water from entering from the upper corner portion of the casing of the indoor unit. And at least one or more side parts,
The waterproof cover has an outside dimension that fits inside the casing of the outdoor unit, and the waterproof cover is attached to each upper edge of the front cabinet and the rear cabinet of the casing at the periphery of the flat portion. An outdoor unit for an air conditioner characterized in that it is positioned around the electrical component box by engaging a portion with the casing structure of the outdoor unit.
JP27889699A 1999-09-30 1999-09-30 Air conditioner outdoor unit Expired - Fee Related JP4346171B2 (en)

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JP4346171B2 true JP4346171B2 (en) 2009-10-21

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004245568A (en) * 2003-01-20 2004-09-02 Sanyo Electric Co Ltd Outdoor unit for air conditioner
JP4555712B2 (en) * 2005-03-15 2010-10-06 東芝キヤリア株式会社 Air conditioner outdoor unit
JP2017203575A (en) * 2016-05-10 2017-11-16 三菱重工サーマルシステムズ株式会社 Electrical component cooling device, outdoor unit of air conditioning system comprising the same
US20210055007A1 (en) * 2018-03-19 2021-02-25 Mitsubishi Electric Corporation Cooling structure and outdoor unit including cooling structure
WO2021134903A1 (en) * 2019-12-31 2021-07-08 广东美的制冷设备有限公司 Electric control box and window type air conditioner

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