JP2781123B2 - Elevator cooling system - Google Patents
Elevator cooling systemInfo
- Publication number
- JP2781123B2 JP2781123B2 JP9614993A JP9614993A JP2781123B2 JP 2781123 B2 JP2781123 B2 JP 2781123B2 JP 9614993 A JP9614993 A JP 9614993A JP 9614993 A JP9614993 A JP 9614993A JP 2781123 B2 JP2781123 B2 JP 2781123B2
- Authority
- JP
- Japan
- Prior art keywords
- car
- cooling
- air
- elevator
- wall
- 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
Links
- 238000001816 cooling Methods 0.000 title claims description 58
- 239000003507 refrigerant Substances 0.000 claims description 18
- 238000012423 maintenance Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、乗りかごの壁からの
輻射冷房によって乗りかご内の冷房を行うようにしたエ
レベーターの冷房装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling system for an elevator which cools the inside of a car by radiant cooling from the wall of the car.
【０００２】[0002]
【従来の技術】図２は、従来のエレベーターの冷房装置
の一例を示し、図において、符号１はエレベーターの乗
りかご、２，３及び４はそれぞれ乗りかご１を構成する
乗りかご１の床、壁及び天井、５は乗りかご１の上側に
設置され、乗りかご１を支持する上梁、６は床２の下側
に設置され、冷媒を圧縮液化する冷房用冷凍機（コンデ
ンシングユニット）、７は上梁５に設置された冷房用室
内機、８は冷房用冷凍機６で圧縮液化された冷媒を冷房
用室内機７に循環させる冷媒配管、９は冷房用室内機７
と乗りかご１間に設置され、冷房用室内機７から乗りか
ご１に冷風を送るダクト、１０は乗りかご１の天井部分
に設置され、ダクト９からの冷風を乗りかご１内に吹き
出す冷風吹出し口、そして、符号１１は乗りかご１の下
側に設置され、冷房用冷凍機６からでる排水を溜めるド
レンタンクである。2. Description of the Related Art FIG. 2 shows an example of a conventional cooling device for an elevator. In the drawing, reference numeral 1 denotes a car of the elevator, 2, 3 and 4 denote floors of the car 1 constituting the car 1, respectively. A wall and ceiling, 5 is installed above the car 1 and an upper beam that supports the car 1, 6 is installed below the floor 2, and a cooling refrigerator (condensing unit) that compresses and liquefies a refrigerant, 7 is a cooling indoor unit installed on the upper beam 5, 8 is a refrigerant pipe for circulating the refrigerant compressed and liquefied by the cooling refrigerator 6 to the cooling indoor unit 7, and 9 is a cooling indoor unit 7
And a duct for sending cool air from the indoor unit for cooling 7 to the car 1, and a cold air blower 10 for installing cool air from the duct 9 into the car 1 for installing cool air from the indoor unit 7 for cooling to the car 1. A drain and a reference numeral 11 are a drain tank installed below the car 1 for storing drainage from the cooling refrigerator 6.
【０００３】このような構成において、冷風は冷房用室
内機７からダクト９を通って冷風吹出し口１０に送ら
れ、この冷風吹出し１０より乗りかご１内に冷風が吹き
出されて乗りかご１内の冷房が行われる。In such a configuration, the cool air is sent from the cooling indoor unit 7 to the cool air outlet 10 through the duct 9, and the cool air is blown into the car 1 from the cool air blow 10, and Cooling is performed.
【０００４】[0004]
【発明が解決しようとする課題】従来のエレベーターの
冷房装置は、以上のように構成されているが、エレベー
ターの乗りかご１に冷房用冷凍機６と冷房用室内機７の
両方を設置する必要があり、また、ダクト９とドレンタ
ンク１１も設置する必要があるので、乗りかご１の全重
量が相当嵩み、このため、エレベーターの動力源等の能
力を相当大きめにする必要があり、製品コスト及び運転
コストが相当嵩む等の課題があった。The conventional cooling device for an elevator is constructed as described above, but it is necessary to install both the cooling refrigerator 6 and the cooling indoor unit 7 in the elevator car 1. In addition, since it is necessary to install the duct 9 and the drain tank 11, the total weight of the car 1 is considerably large, and therefore, it is necessary to considerably increase the capacity of an elevator power source and the like. There were problems such as a considerable increase in cost and operating cost.
【０００５】また、乗りかご１の上側部分が冷房用室内
機７とダクト９とで占められてしまうので、メンテナン
ススペースが狭くなり、メンテナンス効率の低下、メン
テナンス時における作業の安全性の低下が避けられない
という課題もあった。Further, since the upper portion of the car 1 is occupied by the cooling indoor unit 7 and the duct 9, the maintenance space is narrowed, the maintenance efficiency is reduced, and the work safety during maintenance is prevented from being reduced. There was also a problem that it was not possible.
【０００６】さらに、ドレンタンク１１に溜まった排水
を定期的に処理する必要があるので、エレベーターピッ
ト等にそのための排水処理施設を特別に設ける等の必要
があり、また、冷風吹出し口１０の設置位置によっては
ダクト９に折曲部を設ける必要あり、冷房効率の低下が
避けられない等の課題もあった。Furthermore, since it is necessary to periodically treat the wastewater accumulated in the drain tank 11, it is necessary to provide a wastewater treatment facility for the wastewater in an elevator pit or the like. Depending on the position, it is necessary to provide a bent portion in the duct 9, and there is also a problem that the cooling efficiency cannot be reduced.
【０００７】この発明は、以上の課題を解決するために
なされたもので、乗りかごの軽量化、製品コスト及び運
転コストの低減化等を可能にしたエレベーターの冷房装
置を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a cooling device for an elevator capable of reducing the weight of a car, reducing product costs and operating costs, and the like. I do.
【０００８】[0008]
【課題を解決するための手段】この発明に係るエレベー
ターの冷房装置は、エレベーターの乗りかごに設置さ
れ、冷媒を圧縮液化する冷房用冷凍機と、前記乗りかご
の壁内に組み込まれ、前記乗りかご内の空気と熱交換す
る冷房用直膨コイルと、前記冷房用冷凍機で圧縮液化さ
れた冷媒を前記冷房用直膨コイルに循環させる冷媒配管
と、前記乗りかごに設置され、この乗りかご内の空気を
循環させる空気循環ファンとを備えて構成されている。An elevator cooling apparatus according to the present invention is installed in a car of an elevator, and is provided with a cooling refrigerator for compressing and liquefying a refrigerant, and is incorporated in a wall of the car, and A cooling direct expansion coil for exchanging heat with the air in the car, a refrigerant pipe for circulating the refrigerant compressed and liquefied by the cooling refrigerator to the cooling direct expansion coil, and installed in the riding car; And an air circulation fan for circulating the air inside.
【０００９】[0009]
【作用】この発明に係るエレベーターの冷房装置におい
ては、冷房用冷凍機で圧縮液化された冷媒が冷媒配管を
介して乗りかごの壁に組み込まれた冷房用直膨コイルを
循環することで、壁の表面温度が下がり、同時に空気循
環ファンが作動し、空気吹出し口より乗りかご内に風が
送り込まれ、乗りかご内の空気が循環されることで、壁
の輻射冷房により、壁の表面に結露を発生することな
く、乗りかご内の冷房が行われる。In the cooling device of the elevator according to the present invention, the refrigerant compressed and liquefied by the cooling refrigerator circulates through the cooling pipe direct expansion coil incorporated in the car wall through the refrigerant pipe, thereby increasing the wall thickness. The surface temperature of the car decreases, and the air circulation fan operates at the same time, the air is blown into the car from the air outlet, and the air in the car is circulated. The cooling of the car is carried out without generating the air.
【００１０】[0010]
【実施例】図１（ａ），（ｂ）（ｃ），（ｄ）は、この
発明に係るエレベーターの冷房装置の一実施例を示し、
図において、符号１２はエレベーターの乗りかご、１
３，１４及び１５は、それぞれ乗りかご１２の床、壁及
び天井を構成する乗りかご１２の床、壁及び天井、１６
は壁１４の中に組み込まれ、乗りかご１２内の空気と熱
交換する冷房用直膨コイル（冷媒コイル）、１７はこの
冷房用直膨コイル１６の回りを埋めるグラスウール等の
断熱材、１８は床１３の下側に設置された冷房用冷凍機
（コンデンシングユニット）、１９はこの冷房用冷凍機
１８と冷房用直膨コイル１６間に設置され、冷房用冷凍
機１８で圧縮液化された冷媒を冷房用直膨コイル１６に
循環させる冷媒配管、２０は乗りかご１２の天井１５の
裏側に設置され、乗りかご１２内の空気を循環させる空
気循環ファン、そして、符号２１は天井１５に設置さ
れ、空気循環ファン２０からの風を乗りかご１２内に吹
き出して室内の空気を循環させる空気吹出し口である。1 (a), 1 (b), 1 (c) and 1 (d) show an embodiment of an elevator cooling device according to the present invention.
In the figure, reference numeral 12 denotes an elevator car, 1
Reference numerals 3, 14 and 15 denote floors, walls and ceilings of the car 12, which constitute the floor, walls and ceiling of the car 12, respectively.
Is a cooling direct expansion coil (refrigerant coil) that is incorporated in the wall 14 and exchanges heat with the air in the car 12, 17 is a heat insulating material such as glass wool that fills around the cooling direct expansion coil 16, and 18 is A cooling refrigerator (condensing unit) 19 installed below the floor 13 is installed between the cooling refrigerator 18 and the cooling direct expansion coil 16, and is a refrigerant compressed and liquefied by the cooling refrigerator 18. Refrigerant is circulated to the cooling direct expansion coil 16, 20 is installed behind the ceiling 15 of the car 12, an air circulation fan that circulates air in the car 12, and 21 is installed on the ceiling 15. An air outlet for circulating room air by blowing air from the air circulation fan 20 into the car 12.
【００１１】このような構成において、冷房用直膨コイ
ル１６に冷房用冷凍機１８で圧縮液化された冷媒が冷媒
配管１９を介して循環されると、壁１４の表面温度が下
がり、同時に空気循環ファン２０が作動して空気吹出し
口２１より乗りかご１２内に風が送られ、乗りかご１２
内の空気が循環されると、壁１４の輻射冷房により、壁
１４の表面に結露を発生することなく、乗りかご１２内
の冷房が行われる。In such a configuration, when the refrigerant compressed and liquefied by the cooling refrigerator 18 is circulated through the refrigerant pipe 19 to the cooling direct expansion coil 16, the surface temperature of the wall 14 is lowered, and at the same time, air circulation is performed. When the fan 20 is operated, air is blown into the car 12 from the air outlet 21, and the car 12
When the inside air is circulated, the radiant cooling of the wall 14 cools the car 12 without causing dew condensation on the surface of the wall 14.
【００１２】[0012]
【発明の効果】以上説明したように、この発明に係るエ
レベーターの冷房装置は、乗りかごの壁内に、冷房用冷
凍機に冷媒配管を介して接続された冷房用直膨コイルが
組み込まれ、この壁の輻射冷房によって乗りかご内の冷
房が行われるようになっているので、乗りかご内に冷風
を送るための冷房用室内機とこの冷房用室内機より乗り
かごに冷風を送るためのダクトを無くすることができ、
乗りかごの大幅な軽量化及び軽量化によるエレベーター
の製品コストの低減及び運転コストの低減が図れる効果
がある。As described above, the cooling device for an elevator according to the present invention incorporates a direct expansion coil for cooling connected to a cooling refrigerator via a refrigerant pipe in a wall of a car. Since the inside of the car is cooled by the radiant cooling of this wall, an indoor unit for cooling to send cool air into the car and a duct to send cool air from the indoor unit for cooling to the car Can be eliminated,
There is an effect that the product cost and the operating cost of the elevator can be reduced by significantly reducing the weight and weight of the car.
【００１３】また、冷房用室内機及びこの冷房用室内機
より乗りかごに冷風を送るためのダクトが不要なことに
より、乗りかごの上部分に充分なメンテナンススペース
を確保することができ、メンテナンス効率の向上及びメ
ンテナンス時の作業の安全性が図れる効果がある。Further, since there is no need for an indoor unit for cooling and a duct for sending cool air from the indoor unit for cooling to the car, a sufficient maintenance space can be secured in the upper part of the car, and maintenance efficiency can be improved. This has the effect of improving safety and ensuring the safety of work during maintenance.
【００１４】また、空気循環ファンによって乗りかご内
の空気の循環が行われるようになっているので、壁面に
結露が発生することもなく、したがって、結露水を処理
するためのドレンタンクも不要になる効果がある。Further, since the air in the car is circulated by the air circulating fan, dew does not occur on the wall surface. Therefore, a drain tank for treating dew water is not required. There is an effect.
【００１５】さらに、壁の輻射冷房によって乗りかご内
の冷房が行われるので、騒音もなく、冷房効率がきわめ
て高いとう効果がある。Further, since the inside of the car is cooled by radiant cooling of the wall, there is no noise and the cooling efficiency is extremely high.
【図１】（ａ）はこの発明に係るエレベーターの冷房装
置の一実施例を示す乗りかごの縦断面図、（ｂ）は乗り
かごの横断面図、（ｃ）は冷房用直膨コイルの設置状態
を示す乗りかごの壁の正面図、（ｄ）は乗りかごの壁の
横断面図である。1A is a longitudinal sectional view of a car showing an embodiment of a cooling device for an elevator according to the present invention, FIG. 1B is a transverse sectional view of the car, and FIG. FIG. 3D is a front view of the car wall showing the installation state, and FIG. 4D is a cross-sectional view of the car wall.
【図２】従来のエレベーターの冷房装置の一例を示す乗
りかごの縦断面図である。FIG. 2 is a longitudinal sectional view of a car showing an example of a conventional cooling device for an elevator.
１２ 乗りかご １４ 壁 １６ 冷房用直膨コイル １８ 冷房用冷凍機 １９ 冷媒配管 ２０ 空気循環ファン DESCRIPTION OF SYMBOLS 12 Riding cage 14 Wall 16 Direct expansion coil for cooling 18 Cooling refrigerator 19 Refrigerant piping 20 Air circulation fan
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) B66B 11/02──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) B66B 11/02
Claims (1)
媒を圧縮液化する冷房用冷凍機と、前記乗りかごの壁内
に組み込まれ、前記乗りかご内の空気と熱交換する冷房
用直膨コイルと、前記冷房用冷凍機で圧縮液化された冷
媒を前記冷房用直膨コイルに循環させる冷媒配管と、前
記乗りかごに設置され、この乗りかご内の空気を循環さ
せる空気循環ファンとを備えてなることを特徴とするエ
レベーターの冷房装置。1. A cooling refrigerator installed in a car of an elevator for compressing and liquefying a refrigerant, and a direct expansion coil for cooling incorporated in a wall of the car and exchanging heat with air in the car. A refrigerant pipe for circulating the refrigerant compressed and liquefied by the cooling refrigerator to the direct expansion coil for cooling, and an air circulation fan installed in the car and circulating the air in the car. An air conditioner for an elevator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614993A JP2781123B2 (en) | 1993-04-22 | 1993-04-22 | Elevator cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614993A JP2781123B2 (en) | 1993-04-22 | 1993-04-22 | Elevator cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06305666A JPH06305666A (en) | 1994-11-01 |
| JP2781123B2 true JP2781123B2 (en) | 1998-07-30 |
Family
ID=14157328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9614993A Expired - Fee Related JP2781123B2 (en) | 1993-04-22 | 1993-04-22 | Elevator cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2781123B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573481A (en) * | 2020-05-25 | 2020-08-25 | 苏州富士精工电梯有限公司 | Air-conditioning elevator car |
-
1993
- 1993-04-22 JP JP9614993A patent/JP2781123B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573481A (en) * | 2020-05-25 | 2020-08-25 | 苏州富士精工电梯有限公司 | Air-conditioning elevator car |
| CN111573481B (en) * | 2020-05-25 | 2021-12-17 | 苏州富士精工电梯有限公司 | Air-conditioning elevator car |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06305666A (en) | 1994-11-01 |
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