ELECTRONIC APPARATUS COOLING SYSTEM USING UNDERGROUND HEAT

• Main Authors: TAKADA MASAO, KOMAZAWA AKIHIKO, SHINDO AKIO, TANAKA MASAHITO
• Format: Patent
• Language: English; Japanese
• Published: 11.01.2018
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

PROBLEM TO BE SOLVED: To provide an electronic apparatus cooling system using underground heat, enabling efficient cooling, having small load on an emergency power source in disaster, and capable of maintaining air-conditioning capacity even in an earthquake.SOLUTION: An electronic apparatus cooling system using ground heat includes: an electronic apparatus storage chamber 1 storing an electronic apparatus; a ceiling suction port 4 provided on a ceiling of the electronic apparatus storage chamber, and configured to suck warm air in the electronic apparatus storage chamber; a ventilation flue 3 configured to feed air from the ceiling suction port to an underfloor of the electronic apparatus storage chamber by a blower fan 60; a grille-shaped inflow port 80 communicating between the electronic apparatus storage chamber and the ventilation flue; a heat exchanger 30 arranged at the inflow port; an underground heat exchanger provided under the ground and using underground heat; refrigerant passages 40, 50 connecting between the heat exchanger and the underground heat exchanger so as to circulate cooling refrigerant; and a circulation driving device 20 configured to circulate cooling refrigerant in the refrigerant passages.SELECTED DRAWING: Figure 1 【課題】効率的な冷却が可能で、災害時の非常用電源への負荷が小さく、地震時でも空調能力を維持できる、地中熱を利用した電子機器冷却システムを提供する。【解決手段】電子機器を収容する電子機器収容室１と、該電子機器収容室の天井に設けられて電子機器収容室内の暖気を吸い込む天井吸込口４と、該天井吸込口から前記電子機器収容室の床下まで送風ファン６０によって前記送風される通風路３と、前記電子機器収容室と前記通風路とを連通するグリル状の流入口８０と、該流入口部分に配置された熱交換器３０と、地中に設けられた地中熱を利用する地中熱交換器と、前記熱交換器と前記地中熱交換器との間を冷却媒体が循環するように接続された冷媒通路４０，５０と、前記冷媒通路内に冷却媒体を循環させるための循環駆動装置２０とを備えた。【選択図】図１