JPH01277146A - Air-conditioning equipment - Google Patents
Air-conditioning equipmentInfo
- Publication number
- JPH01277146A JPH01277146A JP10581688A JP10581688A JPH01277146A JP H01277146 A JPH01277146 A JP H01277146A JP 10581688 A JP10581688 A JP 10581688A JP 10581688 A JP10581688 A JP 10581688A JP H01277146 A JPH01277146 A JP H01277146A
- Authority
- JP
- Japan
- Prior art keywords
- computer room
- temperature
- air conditioner
- room
- cooling
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims description 15
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 239000003507 refrigerant Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、冷媒自然循環回路を利用することにより電算
室等の冷房が可能な空気調和設備に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to air conditioning equipment that can cool a computer room or the like by utilizing a refrigerant natural circulation circuit.
最近、例えば、電算室のような内部発熱が高く、しかも
温湿度条件、空気清浄度等を満足する室に対して省エネ
ルギ等を図った空気調和設備が要求されている。この要
求に沿ったもののひとつとして、低温外気を利用して室
内側の熱を室外側に移動する冷媒自然循環回路を、冷暖
房装置に併設し、電算室等を冷房するとともに建築物の
部屋を冷暖房する空気調和設備が開発されている。なお
、ここで、冷媒自然循環回路は、サーモサイフオンとも
称せられており、室内外に設けられた熱交換器を冷媒配
管で環状に接続し、内部に低沸点冷媒を封入したもので
、冷媒自然循環により間接的に対象となる空気を冷房す
る。Recently, there has been a demand for energy-saving air conditioning equipment for rooms such as computer rooms, which generate a high amount of internal heat and satisfy temperature and humidity conditions, air cleanliness, and the like. One way to meet this requirement is to install a natural refrigerant circulation circuit, which uses low-temperature outside air to transfer heat inside the room to the outside, in the air-conditioning and heating equipment, to cool computer rooms, etc., and to cool and heat rooms in buildings. Air conditioning equipment has been developed to Note that the refrigerant natural circulation circuit is also called a thermosiphon, and is a system in which heat exchangers installed indoors and outdoors are connected in a ring with refrigerant piping, and a low boiling point refrigerant is sealed inside. The target air is cooled indirectly through natural circulation.
かかる空気調和設備として、例えば、実開昭６１−４６
３５０号公報に示すものが知られている（第３図図示）
。As such air conditioning equipment, for example,
The one shown in Publication No. 350 is known (as shown in Figure 3)
.
図示のように、この空気調和設備は、室内空調機１０１
及び室外ユニット１０２を冷媒配管１０７、ｔｏｓｍで
接続せしめたものである。As shown in the figure, this air conditioning equipment includes an indoor air conditioner 101
and the outdoor unit 102 are connected by refrigerant piping 107 and TOSM.
前記室内空調機１０１には蒸発器１０３，１０４が併設
されている。該蒸発器１０３は冷媒自然循環回路１０５
の一構成機器であり、前記蒸発器１０４は圧縮式冷凍回
路１０６の一構成機器である。Evaporators 103 and 104 are attached to the indoor air conditioner 101. The evaporator 103 has a refrigerant natural circulation circuit 105.
The evaporator 104 is one component of the compression refrigeration circuit 106.
この室内空調機１０１により、蒸発器１０３゜１０４で
発生した蒸発熱を利用して図示しない電算室を間接的に
冷却できる。This indoor air conditioner 101 can indirectly cool a computer room (not shown) using the heat of evaporation generated in the evaporators 103 and 104.
前記室外ユニット１０２には凝縮器１１１，１１２が併
設されている。該凝縮器１１１は冷媒自然循環回路１０
５の一構成機器であり、前記凝縮器１１２は圧縮式冷凍
回路１０６の一構成機器である。The outdoor unit 102 is also provided with condensers 111 and 112. The condenser 111 is connected to the refrigerant natural circulation circuit 10
The condenser 112 is one component of the compression type refrigeration circuit 106.
この室外ユニットｌＯ２における凝縮器１１１゜１１２
で発生した凝縮熱を放熱している。Condenser 111゜112 in this outdoor unit 1O2
The condensation heat generated in the process is dissipated.
従来の空気調和設備にあっては、第４図に示すように、
季節の温度変化或いは一日の昼夜の温度変化により室外
ユニット１０２に取り入れられる外気の温度が上昇する
と、この外気と、室内空調機１０１における電算室から
循環した還気との温度差が小さくなる。この温度差が小
さくなるにつれて、冷媒自然循環回路１０５の冷却能力
は連続的に徐々に減少する。この減少した冷媒自然循環
回路１０５の不足分の冷却能力をカバーするため、圧縮
式冷凍回路１０６を作動させ、電算室から循環した還気
を適切に冷却して電算室の温度を所定の温度に保持する
必要がある。In conventional air conditioning equipment, as shown in Figure 4,
When the temperature of the outside air taken into the outdoor unit 102 rises due to seasonal temperature changes or day/night temperature changes, the temperature difference between this outside air and the return air circulated from the computer room in the indoor air conditioner 101 becomes smaller. As this temperature difference decreases, the cooling capacity of the refrigerant natural circulation circuit 105 gradually decreases continuously. In order to compensate for the reduced cooling capacity of the refrigerant natural circulation circuit 105, the compression type refrigeration circuit 106 is activated to appropriately cool the return air circulated from the computer room to bring the temperature of the computer room to a predetermined temperature. need to be retained.
ここで、圧縮式冷凍回路１０６を構成する圧縮機１１０
は、外気温度の変化に従って０Ｎ−ＯＦＦ制御されるの
で、圧縮式冷凍回路１０６の蒸発器１０４の冷却能力は
、階段状に不連続的に制御される。Here, the compressor 110 that constitutes the compression type refrigeration circuit 106
is ON-OFF controlled according to changes in the outside air temperature, so the cooling capacity of the evaporator 104 of the compression type refrigeration circuit 106 is controlled discontinuously in a stepwise manner.
従って、電算室から循環した還気の温度が鋸状の不連続
線に制御されることになり、ひいては、電算室の温度を
所定の温度の範囲内に冷却制御することが困難となって
いる。Therefore, the temperature of the return air circulated from the computer room is controlled in a saw-like discontinuous line, making it difficult to control the temperature of the computer room to within a predetermined temperature range. .
本発明は、上述の問題点を解決するためになされたもの
で、その目的は、電算室等から室内空調機に循環した還
気を所定の温度の範囲内に冷却制御することにより、電
算室等の温度を所定の温度の範囲内に冷却制御する空気
調和設備を提供することである。The present invention has been made to solve the above-mentioned problems, and its purpose is to cool and control the return air circulated from the computer room etc. to the indoor air conditioner to within a predetermined temperature range. It is an object of the present invention to provide an air conditioning equipment that controls the temperature of the equipment within a predetermined temperature range.
上記目的を達成するために、本発明は、蒸発器を凝縮器
より低い位置に設置してなる冷媒自然循環回路と、この
冷媒自然循環回路の蒸発器を収納した室内空調機とから
成り、室内空調機で電算室等からの還気を冷却して再び
電算室等に供給することによりその冷房を行なう空気調
和設備において、室内空調機に、冷媒自然循環回路の凝
縮器回りの外気の温度が変化したとき電算室等へ供給さ
れる空気の温度が所定の温度になるように冷却制御され
る冷熱源としての冷水が供給・循環する冷却コイルを内
設したものである。In order to achieve the above object, the present invention consists of a refrigerant natural circulation circuit in which an evaporator is installed at a lower position than a condenser, and an indoor air conditioner that houses the evaporator of this refrigerant natural circulation circuit. In an air conditioning system that uses an air conditioner to cool return air from a computer room, etc. and then supplies it to the computer room, etc., the temperature of the outside air around the condenser in the natural refrigerant circulation circuit is detected by the indoor air conditioner. It is equipped with a cooling coil that supplies and circulates cold water as a cold heat source that is controlled so that the temperature of the air supplied to the computer room etc. reaches a predetermined temperature when the temperature changes.
本発明においては、凝縮器回りの外気の温度が上昇する
と、凝縮器回りの外気と、電算室等から循環した室内空
調機での蒸発器回りの還気との温度差が小さくなる。こ
の温度差が小さくなるにつれて、冷媒自然循環回路の蒸
発器の冷却能力は連続的に比例的に減少する一方、室内
空調機内の冷却コイルの冷却能力は、冷媒自然循環回路
の減少した冷却能力に見合った分だけ比例的に上昇する
ように制御できる。In the present invention, when the temperature of the outside air around the condenser increases, the temperature difference between the outside air around the condenser and the return air around the evaporator in the indoor air conditioner circulated from the computer room etc. becomes smaller. As this temperature difference decreases, the cooling capacity of the evaporator in the refrigerant natural circulation circuit decreases continuously and proportionally, while the cooling capacity of the cooling coil in the indoor air conditioner decreases due to the reduced cooling capacity of the refrigerant natural circulation circuit. It can be controlled so that it increases proportionately.
以下、図面により本発明の実施例について説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図、第２図は本発明の実施例に係る空気調和設備の
内容であり、電算室の冷却及び建築物の室の冷暖房に適
用する場合を例にとって説明する。FIG. 1 and FIG. 2 show the contents of an air conditioning system according to an embodiment of the present invention, which will be explained by taking as an example the case where it is applied to cooling a computer room and heating and cooling a room in a building.
第１図に示すように、室外ユニットｌは、室内空調機２
より高い位置に設置されている。室外ユニット１と室内
空調機２には、冷媒自然循環回路３が連結している。以
下、詳細に説明する。As shown in FIG. 1, the outdoor unit l includes an indoor air conditioner 2.
installed in a higher position. A refrigerant natural circulation circuit 3 is connected to the outdoor unit 1 and the indoor air conditioner 2. This will be explained in detail below.
室外ユニット１には、加熱コイル４と、冷却コイル５と
、冷媒自然循環回路３を構成する凝縮器６と、水噴霧器
７と、フィルタ８と、加湿器９と、第１送風機１０とが
内蔵されており、加熱または冷却処理された外気は第１
送風機１０により第１室（図示せず）に供給される。The outdoor unit 1 includes a heating coil 4, a cooling coil 5, a condenser 6 forming a natural refrigerant circulation circuit 3, a water sprayer 7, a filter 8, a humidifier 9, and a first blower 10. The heated or cooled outside air is
Air is supplied to a first chamber (not shown) by a blower 10.
加熱コイル４には、第１配管１１を介してボイラ１２が
接続しており、温水が供給される。A boiler 12 is connected to the heating coil 4 via a first pipe 11, and hot water is supplied thereto.
冷却コイル５には、第２配管１３の端部１３Ａにおいて
熱交換する圧縮冷凍器１４が接続しており、この圧縮冷
凍器１４により冷却された冷水が供給される。A compression refrigerator 14 that exchanges heat is connected to the cooling coil 5 at the end 13A of the second pipe 13, and cold water cooled by the compression refrigerator 14 is supplied.
水噴霧器７及び加湿器９には、第３配管１５が接続して
おり、水道水が供給される。A third pipe 15 is connected to the water sprayer 7 and the humidifier 9, and tap water is supplied thereto.
一方、室内空調機２には、冷却コイル１６と、冷媒自然
循環回路３を構成する蒸発器１７と、フィルタ１８と、
第２送風機１９とが内蔵されており、冷却処理された外
気は第２送風機１９により電算室（第２室）２０に供給
される。On the other hand, the indoor air conditioner 2 includes a cooling coil 16, an evaporator 17 that constitutes the refrigerant natural circulation circuit 3, and a filter 18.
A second blower 19 is built in, and the cooled outside air is supplied to the computer room (second room) 20 by the second blower 19 .
冷却コイル１６には、第４配管２１の端部２１Ａと熱交
換する圧縮冷凍器２２が接続しており、この圧縮冷凍器
２２により冷却された冷水が供給される。A compression refrigerator 22 that exchanges heat with the end 21A of the fourth pipe 21 is connected to the cooling coil 16, and cold water cooled by the compression refrigerator 22 is supplied.
そして、冷媒自然循環回路３は、室外ユニット１に収納
された凝縮器６．この凝縮器６より低い位置にあって室
内空調機２に収納された蒸発器１７と、蒸発器１７の出
口１７Ｂと凝縮器６の入口６Ａとを接続するガス側冷媒
配管２３と、蒸発器１７の入口１７Ａと凝縮器６の出口
６Ｂとを接続する法例冷媒配管２４とを構成要素とし、
蒸発器１７、凝縮器６．ガス側冷媒配管２３．法例冷媒
配管２４の間に冷媒を循環させて、電算室２ｏがらの還
気の温度と外気との温度差により還気の熱を室外ユニッ
ト１に移動させる。The refrigerant natural circulation circuit 3 includes a condenser 6. An evaporator 17 located lower than the condenser 6 and housed in the indoor air conditioner 2, a gas side refrigerant pipe 23 connecting the outlet 17B of the evaporator 17 and the inlet 6A of the condenser 6, and the evaporator 17. A legal refrigerant pipe 24 connecting the inlet 17A of the condenser 6 and the outlet 6B of the condenser 6 is a component,
Evaporator 17, condenser 6. Gas side refrigerant piping 23. A refrigerant is circulated between the legal refrigerant pipes 24, and the heat of the return air is transferred to the outdoor unit 1 due to the temperature difference between the return air from the computer room 2o and the outside air.
次に、本実施例の作用を説明する。Next, the operation of this embodiment will be explained.
夏期には、室外ユニット１での外気の温度が室内空調機
２での還気の温度より高いか或いはそれらの温度差が所
定の温度差より少なくなっている。In the summer, the temperature of the outside air in the outdoor unit 1 is higher than the temperature of the return air in the indoor air conditioner 2, or the temperature difference therebetween is less than a predetermined temperature difference.
従って、冷媒自然循環回路３は運転されない。Therefore, the refrigerant natural circulation circuit 3 is not operated.
この場合、室外ユニット１の冷却コイル５には、第２配
管１３から冷水が供給されている。この冷却コイル５に
より外気が冷却され、第１送風機１０の作用で第１室に
供給され、第１室は冷房される。In this case, cold water is supplied to the cooling coil 5 of the outdoor unit 1 from the second pipe 13. The outside air is cooled by the cooling coil 5 and supplied to the first room by the action of the first blower 10, thereby cooling the first room.
一方、室内空調機２の冷却コイル１６には、第４配管２
１から冷水が供給されている。この冷却コイル１６によ
り電算室２０からの還気が冷却され、第２送風機１９の
作用で電算室２０に再び供給され、電算室２０は冷房さ
れる。On the other hand, a fourth pipe 2 is connected to the cooling coil 16 of the indoor air conditioner 2.
Cold water is supplied from 1. Return air from the computer room 20 is cooled by the cooling coil 16, and is again supplied to the computer room 20 by the action of the second blower 19, thereby cooling the computer room 20.
そして、冬期には、室外ユニット１での外気の温度が低
（、室内空調機２での還気の温度が高く、所定の温度差
以上の温度差がある。従って、冷媒自然循環回路３は運
転される。In winter, the temperature of the outside air in the outdoor unit 1 is low (and the temperature of the return air in the indoor air conditioner 2 is high, and there is a temperature difference greater than a predetermined temperature difference. Therefore, the refrigerant natural circulation circuit 3 be driven.
この場合、室外ユニット１に取り入れられた外気は、第
１配管１１から温水が供給された加熱コイル４により加
熱されるとともに、冷媒自然循環回路３を構成する凝縮
器６の凝縮熱により加熱される。この加熱された外気は
、第１送風機１０の作用で第１室に供給され、第１室は
暖房される。In this case, the outside air taken into the outdoor unit 1 is heated by the heating coil 4 supplied with hot water from the first pipe 11, and is also heated by the condensation heat of the condenser 6 that constitutes the refrigerant natural circulation circuit 3. . This heated outside air is supplied to the first room by the action of the first blower 10, and the first room is heated.
一方、電算室２０内から室内空調機２に循環した還気は
、冷却コイル１６及び冷媒自然循環回路３を構成する蒸
発器１７により冷却される。この冷却された還気は電算
室２０に供給され、冷房される。On the other hand, return air circulated from inside the computer room 20 to the indoor air conditioner 2 is cooled by the cooling coil 16 and the evaporator 17 that constitutes the natural refrigerant circulation circuit 3 . This cooled return air is supplied to the computer room 20 and cooled.
そして、上述の室内空調機２における冷却制御を第２図
により説明する。図において、凝縮器６の回りの外気の
温度が上昇すると、凝縮器６の回りの外気と、電算室２
０から循環した室内空調機２での蒸発器１７の回りの還
気との温度差が小さくなる。この温度差が小さくなるに
つれて、冷媒自然循環回路３の蒸発器１７の冷却能力は
連続的に比例的に減少する一方、室内空調機２内の冷却
コイルの冷却能力は、冷媒自然循環回路３の減少した冷
却能力に見合った分だけ比例的に増加する。Cooling control in the above-mentioned indoor air conditioner 2 will be explained with reference to FIG. 2. In the figure, when the temperature of the outside air around the condenser 6 increases, the outside air around the condenser 6 and the computer room 2
The temperature difference between the return air around the evaporator 17 in the indoor air conditioner 2 and the return air circulated from 0 to the indoor air conditioner 2 becomes smaller. As this temperature difference becomes smaller, the cooling capacity of the evaporator 17 of the refrigerant natural circulation circuit 3 decreases continuously and proportionally, while the cooling capacity of the cooling coil in the indoor air conditioner 2 decreases. It increases proportionally by the amount commensurate with the decreased cooling capacity.
このように、室内空調機２の冷却能力が制御されるので
、その冷却能力は温度差に応じた冷却負荷に対処できる
。Since the cooling capacity of the indoor air conditioner 2 is controlled in this way, the cooling capacity can cope with the cooling load depending on the temperature difference.
以上の如き構成によれば、凝縮器６の回りの外気の温度
が上昇すると、室内空調機２内の冷却コイル１６の冷却
能力は、冷媒自然循環回路３の減少した冷却能力に見合
った分だけ比例的に増加する。According to the above configuration, when the temperature of the outside air around the condenser 6 rises, the cooling capacity of the cooling coil 16 in the indoor air conditioner 2 is reduced by an amount commensurate with the reduced cooling capacity of the refrigerant natural circulation circuit 3. Increase proportionally.
従って、外気の温度が変化しても、電算室２０から室内
空調機２に循環した還気を所定の温度の範囲内に冷却制
御することができ、ひいては、電算室２０の温度を所定
の温度の範囲内に冷却制御できる。Therefore, even if the temperature of the outside air changes, the return air circulated from the computer room 20 to the indoor air conditioner 2 can be controlled to be cooled within a predetermined temperature range. Cooling can be controlled within the range of
以上述べたよう、に、本発明に係る空気調和設備によれ
ば、凝縮器回りの外気の温度が上昇すると、室内空調機
内の冷却コイルの冷却能力は、冷媒自然循環回路の減少
した冷却能力に見合った分だけ比例的に増加するように
制御できる。As described above, according to the air conditioner according to the present invention, when the temperature of the outside air around the condenser increases, the cooling capacity of the cooling coil in the indoor air conditioner changes to the reduced cooling capacity of the refrigerant natural circulation circuit. It can be controlled so that it increases proportionately.
従って、外気の温度が変化しても、電算室等から室内空
調機に循環した還気を所定の温度の範囲内に冷却制御す
ることができ、ひいては、電算室等の温度を所定の温度
の範囲内に冷却制御できる効果を奏する。Therefore, even if the temperature of the outside air changes, the return air circulated from the computer room etc. to the indoor air conditioner can be controlled to be cooled within a predetermined temperature range, and the temperature of the computer room etc. can be kept within the predetermined temperature range. It has the effect of being able to control cooling within a certain range.
第１図は本発明の実施例に係る空気調和設備の配管図で
ある。
第２図は本実施例における室内空調機での冷却能力及び
電算室等の温度の関係を示す説明図である。
第３図は従来における空気調和設備の配管図である。
第４図は従来における室内空調機での冷却能力及び電算
室等の温度の関係を示す説明図である。
〔主要な部分の符号の説明〕
２・・・室内空調機
３・・・冷媒自然循環回路
６・・・凝縮器
１６・・・冷却コイル
１７・・・蒸発器
２０・・・電算室（第２室）。
第２図
第３図
ノ０２
第４図
一＾
外民逝浅
手続補正言動式）
％式％
工、 事件の表示
昭和６３年特許願第１０５８１６号
２、 発明の名称
空気調和設備
３、 補正をする者
事件との関係 出願人
住 所 東京都千代田区有楽町−丁目４番１号名 称
（１８３）三機工業株式会社
４、代理人 〒１５１酋（０３）３７５−１６３１住
所 東京都渋谷区代々木２丁目１１番２号昭和６３年
７月２６日（全送日）
６、補正の対象FIG. 1 is a piping diagram of an air conditioning equipment according to an embodiment of the present invention. FIG. 2 is an explanatory diagram showing the relationship between the cooling capacity of the indoor air conditioner and the temperature of the computer room, etc. in this embodiment. FIG. 3 is a piping diagram of a conventional air conditioning equipment. FIG. 4 is an explanatory diagram showing the relationship between the cooling capacity of a conventional indoor air conditioner and the temperature of a computer room or the like. [Explanation of symbols of main parts] 2...Indoor air conditioner 3...Refrigerant natural circulation circuit 6...Condenser 16...Cooling coil 17...Evaporator 20...Computer room (No. 2 rooms). Fig. 2 Fig. 3 No. 02 Fig. 4 1^ Foreign citizen death procedure amendment speech and behavior formula) % formula % Eng. Applicant address: 4-1 Yurakucho-chome, Chiyoda-ku, Tokyo Name (183) Sanki Kogyo Co., Ltd. 4, Agent Address: 151 No. (03) 375-1631
Address: 2-11-2 Yoyogi, Shibuya-ku, Tokyo July 26, 1988 (all delivery dates) 6. Subject to amendment
Claims (1)
媒自然循環回路と、この冷媒自然循環回路の蒸発器を収
納した室内空調機とから成り、室内空調機で電算室等か
らの還気を冷却して再び電算室等に供給することにより
その冷房を行なう空気調和設備において、室内空調機に
、冷媒自然循環回路の凝縮器回りの外気の温度が変化し
たとき電算室等へ供給される空気の温度が所定の温度に
なるように冷却制御される冷熱源としての冷水が供給・
循環する冷却コイルを内設したことを特徴とする空気調
和設備。(1) It consists of a refrigerant natural circulation circuit in which the evaporator is installed at a lower position than the condenser, and an indoor air conditioner that houses the evaporator of this refrigerant natural circulation circuit. In air conditioning equipment that performs cooling by cooling the air and supplying it again to the computer room, etc., when the temperature of the outside air around the condenser of the refrigerant natural circulation circuit changes, the indoor air conditioner cools the air and supplies it to the computer room, etc. Chilled water is supplied as a cooling heat source and is controlled so that the temperature of the air is at a predetermined temperature.
Air conditioning equipment characterized by an internal cooling coil that circulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10581688A JPH0792251B2 (en) | 1988-04-28 | 1988-04-28 | Air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10581688A JPH0792251B2 (en) | 1988-04-28 | 1988-04-28 | Air conditioning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01277146A true JPH01277146A (en) | 1989-11-07 |
| JPH0792251B2 JPH0792251B2 (en) | 1995-10-09 |
Family
ID=14417611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10581688A Expired - Fee Related JPH0792251B2 (en) | 1988-04-28 | 1988-04-28 | Air conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0792251B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009174825A (en) * | 2008-01-28 | 2009-08-06 | Toshiba Corp | Air conditioning control system |
| EP2091314A3 (en) * | 2008-02-13 | 2011-11-02 | Hitachi Plant Technologies, Ltd. | Cooling system for electronic equipment |
| JP2011237068A (en) * | 2010-05-07 | 2011-11-24 | Shinko Kogyo Co Ltd | Air conditioner for computer room |
| JP2013050302A (en) * | 2012-11-05 | 2013-03-14 | Toshiba Corp | Air conditioning control device, air conditioning system, air conditioning control method, and air conditioning control program |
| JP2016118343A (en) * | 2014-12-22 | 2016-06-30 | 株式会社Ｎｔｔファシリティーズ | Air conditioner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1924810A1 (en) * | 2005-09-15 | 2008-05-28 | Chang Jo 21 Co., Ltd. | Air conditioning system for communication equipment and controlling method thereof |
-
1988
- 1988-04-28 JP JP10581688A patent/JPH0792251B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009174825A (en) * | 2008-01-28 | 2009-08-06 | Toshiba Corp | Air conditioning control system |
| WO2009096350A1 (en) * | 2008-01-28 | 2009-08-06 | Kabushiki Kaisha Toshiba | Air conditioning control system |
| CN101925786A (en) * | 2008-01-28 | 2010-12-22 | 株式会社东芝 | Air conditioning control system |
| TWI463101B (en) * | 2008-01-28 | 2014-12-01 | Toshiba Kk | Air conditioning control device, air conditioning system, air conditioning control method, and record the air conditioning control program recording media |
| EP2091314A3 (en) * | 2008-02-13 | 2011-11-02 | Hitachi Plant Technologies, Ltd. | Cooling system for electronic equipment |
| US8199504B2 (en) | 2008-02-13 | 2012-06-12 | Hitachi Plant Technologies, Ltd. | Cooling system for electronic equipment |
| EP2498024A3 (en) * | 2008-02-13 | 2014-08-27 | Hitachi, Ltd. | Cooling system for electronic equipment |
| US8839638B2 (en) | 2008-02-13 | 2014-09-23 | Hitachi, Ltd. | Cooling system for electronic equipment |
| JP2011237068A (en) * | 2010-05-07 | 2011-11-24 | Shinko Kogyo Co Ltd | Air conditioner for computer room |
| JP2013050302A (en) * | 2012-11-05 | 2013-03-14 | Toshiba Corp | Air conditioning control device, air conditioning system, air conditioning control method, and air conditioning control program |
| JP2016118343A (en) * | 2014-12-22 | 2016-06-30 | 株式会社Ｎｔｔファシリティーズ | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0792251B2 (en) | 1995-10-09 |
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| Date | Code | Title | Description |
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| LAPS | Cancellation because of no payment of annual fees |