JPH0242383A - Cooling device for electronic equipment - Google Patents
Cooling device for electronic equipmentInfo
- Publication number
- JPH0242383A JPH0242383A JP19394488A JP19394488A JPH0242383A JP H0242383 A JPH0242383 A JP H0242383A JP 19394488 A JP19394488 A JP 19394488A JP 19394488 A JP19394488 A JP 19394488A JP H0242383 A JPH0242383 A JP H0242383A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- cooling
- heat
- closed circuit
- outdoor
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 70
- 239000000498 cooling water Substances 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、冷却液の循環によって電子機器を冷却する電
子機器の冷却装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cooling device for electronic equipment that cools the electronic equipment by circulating a coolant.
従来、この種電子機器の冷却装置は第２図に示すように
構成されている。これを同図に基づいて説明すると、同
図において、符号１で示すものは被冷却電子装置として
の電子機器２に冷却液ポンプ３．温度制御三方弁４を介
して直列に接続された第１の熱交換器５を有する第１の
閉回路、６はこの閉回路１の熱交換器５を含みかつこの
熱交換器５に冷媒圧縮ポンプ７および膨張弁８を介して
接続された第２の熱交換器９を含む冷却器としてのヒー
トポンプ１０を構成する第２の閉回路、１１はこの閉回
路６の熱交換器５，９のうち熱交換器９を含み冷却水ポ
ンプ１２を介して接続された屋外冷却塔１３を有する第
３の閉回路である。なお、１４〜１６は各々第１〜第３
の閉回路の各構成部品を接続する管路である。また、図
中鎖線Ｂは冷却装置を示す。Conventionally, a cooling device for this type of electronic equipment has been constructed as shown in FIG. This will be explained based on the figure. In the figure, what is indicated by reference numeral 1 is a cooling liquid pump 3. a first closed circuit with a first heat exchanger 5 connected in series via a temperature-controlled three-way valve 4; A second closed circuit configuring a heat pump 10 as a cooler including a pump 7 and a second heat exchanger 9 connected via an expansion valve 8; A third closed circuit includes an outdoor cooling tower 13 that includes a heat exchanger 9 and is connected via a cooling water pump 12 . In addition, 14 to 16 are the first to third
It is a conduit that connects each component of a closed circuit. Further, the dashed line B in the figure indicates a cooling device.
ところで、従来の電子機器の冷却装置においては、電子
機器２で発生した熱を屋外冷却塔１３に排出するにヒー
トポンプ１０による運転エネルギーを常時必要とするも
のであるため、屋外冷却塔１３の冷却能力の高低に関係
なく、すなわち夏期のみならず冬期の寒冷時にもヒート
ポンプ１０を運転しなければならず、冷却コストが嵩む
という不都合があった。By the way, in the conventional cooling device for electronic equipment, since the operating energy of the heat pump 10 is always required to discharge the heat generated by the electronic equipment 2 to the outdoor cooling tower 13, the cooling capacity of the outdoor cooling tower 13 is limited. The heat pump 10 must be operated regardless of the level of temperature, that is, not only in the summer but also in the cold winter, which has the disadvantage of increasing cooling costs.
本発明はこのような事情に鑑みてなされたもので、屋外
冷却塔における冷却能力の高低に応じて冷却サイクルを
運転させることができ、もって冷却コストの低廉化を図
ることができる電子機器の冷却装置を提供するものであ
る。The present invention was made in view of the above circumstances, and provides a method for cooling electronic equipment that can operate a cooling cycle according to the level of cooling capacity in an outdoor cooling tower, thereby reducing cooling costs. It provides equipment.
本発明に係る電子機器の冷却装置は、電子機器に接続さ
れた第１の熱交換器を有する第１の閉回路と、この閉回
路の熱交換器を含みこの熱交換器に接続され冷却サイク
ルの一部を構成する第２゜第３の熱交換器およびこれら
両熱交換器に接続された第４の熱交換器を有する第２の
閉回路と、この閉回路の熱交換器のうち第４の熱交換器
を含みこの熱交換器に接続された屋外冷却塔を有する第
３の閉回路とを備えたものである。A cooling device for an electronic device according to the present invention includes a first closed circuit having a first heat exchanger connected to the electronic device, and a cooling cycle connected to the heat exchanger. a second closed circuit comprising a second and third heat exchanger and a fourth heat exchanger connected to both heat exchangers; 4 heat exchangers and a third closed circuit having an outdoor cooling tower connected to the heat exchangers.
本発明においては、屋外冷却塔の冷却能力が低い場合に
冷却サイクルの運転によって電子機器からの熱を屋外冷
却塔に排出させることができ、また屋外冷却塔の冷却能
力が高い場合には冷却サイクルを停止させて電子機器か
らの熱を屋外冷却塔に排出させることができる。In the present invention, when the cooling capacity of the outdoor cooling tower is low, the heat from the electronic equipment can be discharged to the outdoor cooling tower by operating the cooling cycle, and when the cooling capacity of the outdoor cooling tower is high, the cooling cycle is operated. can be turned off and heat from electronic equipment can be vented to an outdoor cooling tower.
以下、本発明の構成等を図に示す実施例によって詳細に
説明する。EMBODIMENT OF THE INVENTION Hereinafter, the structure etc. of this invention will be explained in detail by the Example shown in the figure.
第１図は本発明に係る電子機器の冷却装置を示す回路図
で、同図において第２図と同一の部材については同一の
符号を付し、詳細な説明は省略する。同図において、符
号２１で示すものは前記電子機器２に接続された第１の
熱交換器２２を有する第１の閉回路である。２３は閉回
路２１の熱交換器２２を含みこの熱交換器２２の吸熱側
および排熱側に各々接続され冷却サイクルとしてのヒー
トポンプ２４の一部を構成する第２の熱交換器２５．第
３の熱交換器２６およびこれら両熱交換器２５．２６に
接続された第４の熱交換器２７を有する第２の閉回路で
ある。FIG. 1 is a circuit diagram showing a cooling device for electronic equipment according to the present invention. In the figure, the same members as in FIG. 2 are designated by the same reference numerals, and detailed explanations are omitted. In the figure, what is indicated by the reference numeral 21 is a first closed circuit having a first heat exchanger 22 connected to the electronic device 2. 23 includes a heat exchanger 22 of the closed circuit 21, and a second heat exchanger 25. A second closed circuit with a third heat exchanger 26 and a fourth heat exchanger 27 connected to both heat exchangers 25,26.
２８はこの閉回路２３の熱交換器２７を含みこの熱交換
器２７に接続された前記屋外冷却塔１３を有する第３の
閉回路である。なお、２９は前記ヒートポンプ２４の冷
媒管路、３０は冷却液ポンプである。28 is a third closed circuit that includes the heat exchanger 27 of this closed circuit 23 and has the outdoor cooling tower 13 connected to this heat exchanger 27. Note that 29 is a refrigerant pipe line of the heat pump 24, and 30 is a coolant pump.
このように構成された電子機器の冷却装置においては、
電子機器２で発生した熱が管路１４内を冷却液によって
運搬され、第１の熱交換器２２で熱交換される。In the cooling device for electronic equipment configured in this way,
Heat generated by the electronic device 2 is carried by the cooling liquid in the pipe line 14 and is exchanged with the first heat exchanger 22 .
一方、屋外冷却塔１３で冷却された管路１６内の冷却水
が第２の熱交換器２５を経て第１の熱交換器２２で管路
１４内の冷却液から吸熱した後、第３の熱交換器２６を
通過して第４の熱交換器２７から屋外冷却塔１３に戻り
、大気中に熱を放散する。On the other hand, the cooling water in the pipe 16 cooled by the outdoor cooling tower 13 passes through the second heat exchanger 25 and absorbs heat from the cooling liquid in the pipe 14 in the first heat exchanger 22. It passes through the heat exchanger 26 and returns to the outdoor cooling tower 13 from the fourth heat exchanger 27, dissipating the heat into the atmosphere.
すなわち、屋外の大気温度が高い夏期においては、屋外
冷却塔１３の冷却能力が低いことから、ヒートポンプ２
４を運転して屋外冷却塔１３で十分に冷却されなかった
管路１６内の冷却水から第２の熱交換器２５で吸熱する
と共に、第３の熱交換器２６で管路１６内の冷却水に熱
を排出する。That is, in the summer when the outdoor air temperature is high, the cooling capacity of the outdoor cooling tower 13 is low, so the heat pump 2
4, the second heat exchanger 25 absorbs heat from the cooling water in the pipe line 16 that was not sufficiently cooled in the outdoor cooling tower 13, and the third heat exchanger 26 cools the pipe line 16. Exhaust heat into water.
また、屋外大気温度が低い冬期においては屋外冷却塔１
３の冷却能力が高いことから、ヒートポンプ２４の運転
を停止する。In addition, in the winter when the outdoor air temperature is low, outdoor cooling towers 1
Since the cooling capacity of No. 3 is high, the operation of the heat pump 24 is stopped.
したがって、本発明においては、屋外冷却塔１３の冷却
能力が低い場合に、ヒートポンプ２７を運転させること
により電子機器２がらの熱を屋外冷却塔１３に排出させ
ることができ、また屋外冷却塔１３の冷却能力が高い場
合にはヒートポンプ２７を停止させることにより電子機
器２がらの熱を屋外冷却塔１３に排出させることができ
る。Therefore, in the present invention, when the cooling capacity of the outdoor cooling tower 13 is low, by operating the heat pump 27, the heat from the electronic equipment 2 can be discharged to the outdoor cooling tower 13. When the cooling capacity is high, by stopping the heat pump 27, the heat from the electronic device 2 can be discharged to the outdoor cooling tower 13.
以上説明したように本発明によれば、電子機器に接続さ
れた第１の熱交換器を有する第１の閉回路と、この閉回
路の熱交換器を含みこの熱交換器に接続され冷却サイク
ルの一部を構成する第２゜第３の熱交換器およびこれら
両熱交換器に接続された第４の熱交換器を有する第２の
閉回路と、この閉回路の熱交換器のうち第４の熱交換器
を含みこの熱交換器に接続された屋外冷却塔を有する第
３の閉回路とを備えたので、屋外冷却塔の冷却能力が低
い場合に冷却サイクルの運転によって電子機器からの熱
を屋外冷却塔に排出させることができ、また屋外冷却塔
の冷却能力が高い場合には冷却サイクルを停止させて電
子機器からの熱を屋外冷却塔に排出させることができる
。したがって、屋外冷却塔における冷却能力の高低に応
じて冷却サイクルを運転させることができるから、電子
機器における冷却コストの低廉化を図ることができる。As explained above, according to the present invention, there is provided a first closed circuit having a first heat exchanger connected to an electronic device, and a cooling cycle including a heat exchanger of the closed circuit and connected to the heat exchanger. a second closed circuit comprising a second and third heat exchanger and a fourth heat exchanger connected to both heat exchangers; 4 heat exchangers and a third closed circuit having an outdoor cooling tower connected to this heat exchanger, when the cooling capacity of the outdoor cooling tower is low, the cooling cycle can be operated to prevent electronic equipment from being removed. The heat can be exhausted to the outdoor cooling tower, or if the outdoor cooling tower has a high cooling capacity, the cooling cycle can be stopped and the heat from the electronic equipment can be exhausted to the outdoor cooling tower. Therefore, since the cooling cycle can be operated depending on the level of cooling capacity in the outdoor cooling tower, it is possible to reduce the cooling cost of electronic equipment.
第１図は本発明に係る電子機器の冷却装置を示す回路図
、第２図は従来の電子機器の冷却装置を示す回路図であ
る。
２・・・・電子機器、１３・・・・屋外冷却塔、２１・
・・・第１の閉回路、２２・・・・第１の熱交換器、２
３・・・・第２の閉回路、２４・・・・ヒートポンプ、
２５・・・・第２の熱交換器、２６・・・・第３の熱交
換器、２７・・・・第４の熱交換器、２８・・・・第３
の閉回路。
特許出願人 日本電気株式会社FIG. 1 is a circuit diagram showing a cooling device for electronic equipment according to the present invention, and FIG. 2 is a circuit diagram showing a conventional cooling device for electronic equipment. 2...Electronic equipment, 13...Outdoor cooling tower, 21...
...first closed circuit, 22...first heat exchanger, 2
3... second closed circuit, 24... heat pump,
25...Second heat exchanger, 26...Third heat exchanger, 27...Fourth heat exchanger, 28...Third
closed circuit. Patent applicant: NEC Corporation
Claims (1)
回路と、この閉回路の熱交換器を含みこの熱交換器に接
続され冷却サイクルの一部を構成する第２、第３の熱交
換器およびこれら両熱交換器に接続された第４の熱交換
器を有する第２の閉回路と、この閉回路の熱交換器のう
ち第４の熱交換器を含みこの熱交換器に接続された屋外
冷却塔を有する第３の閉回路とを備えたことを特徴とす
る電子機器の冷却装置。a first closed circuit having a first heat exchanger connected to an electronic device; and second and third closed circuits including the heat exchanger of the closed circuit and connected to the heat exchanger and forming part of a cooling cycle. a second closed circuit having a heat exchanger and a fourth heat exchanger connected to both of the heat exchangers; and a third closed circuit having an outdoor cooling tower connected to a cooling device for electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19394488A JPH0242383A (en) | 1988-08-03 | 1988-08-03 | Cooling device for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19394488A JPH0242383A (en) | 1988-08-03 | 1988-08-03 | Cooling device for electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0242383A true JPH0242383A (en) | 1990-02-13 |
Family
ID=16316348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19394488A Pending JPH0242383A (en) | 1988-08-03 | 1988-08-03 | Cooling device for electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242383A (en) |
-
1988
- 1988-08-03 JP JP19394488A patent/JPH0242383A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10401077B2 (en) | Chilled water cooling system | |
| CA2373718A1 (en) | Cryogenic cooling system with cooldown and normal modes of operation | |
| JP2002335024A5 (en) | ||
| JPH0242384A (en) | Cooling device for electronic equipment | |
| JPH02233946A (en) | Freezer device for electronic equipment | |
| EP1284402A2 (en) | System and method of cooling | |
| JPH0242383A (en) | Cooling device for electronic equipment | |
| CN204438587U (en) | Refrigeration system | |
| CN104501447A (en) | Refrigerating system | |
| JP2595019B2 (en) | Double-effect air-cooled absorption refrigerator | |
| CN215872548U (en) | Heat management system of outdoor base station cabinet integrating storage battery compartment, equipment compartment and power supply compartment | |
| CN201050908Y (en) | Highly effective multifunctional air energy resource apparatus | |
| CN201037714Y (en) | Highly effective multifunctional air energy source set | |
| JPH0510168Y2 (en) | ||
| CN216719049U (en) | Server cooling system | |
| CN219248411U (en) | Refrigerating system and equipment with refrigerating device | |
| JPH0429115Y2 (en) | ||
| JP4202057B2 (en) | Combined system using waste heat of nuclear reactor plant | |
| CN207896813U (en) | A kind of power generation cabinet with using industrial chilled water energy-saving and cooling device | |
| JPH04270870A (en) | Absorption type refrigerating device utilizing waste heat | |
| TWM642553U (en) | Power Converter Cooling System | |
| JPS6018735Y2 (en) | Heat recovery heating and cooling equipment | |
| CN115732791A (en) | Heat management unit and control method thereof | |
| JPS60113895A (en) | Lubricating oil cooling device of speed reduction gear | |
| CN113566380A (en) | Compressor heat dissipation device and method and air conditioner |