Cooling device for box
A cooling device and box technology, which is applied in the direction of household refrigeration devices, cooling fluid circulation devices, cooling/ventilation/heating transformation, etc., can solve the problems of condensed water generation, cost increase, multi-energy, etc., and prevent the generation of condensed water Effect
Inactive Publication Date: 2016-06-08
FURUKAWA ELECTRIC CO LTD
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Problems solved by technology
That is, in the structure disclosed in Patent Document 2, when the temperature of the outside air is high, more energy is required than when the inside air is directly cooled by the Peltier element.
[0013] In addition, the cooling device disclosed in the above-mentioned Patent Document 3 is equipped with a humidity sensor, and dehumidifies by operating the Peltier element when the humidity exceeds a predetermined value. However, condensed water is generated in a highly airtight box. wait until there is a problem
In addition, in the case of the cooling device disclosed in the above-mentioned Patent Document 4, when there are a plurality of heating elements in the box, it is necessary to have the same number of Peltier elements and heat sinks, which imposes restrictions on the number and installation method of the heating elements, and It also increases the cost, and the control during cooling becomes complicated
In addition, since the Peltier element is directly in contact with the heating element, condensation may affect the heating element.
Method used
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Embodiment Construction
[0038] Hereinafter, one embodiment of the cooling device for a box according to the present invention will be specifically described with reference to the drawings.
[0039] figure 1 It is a schematic diagram showing the overall structure of a box with a cooling device.
[0040] The box body 1 of the present embodiment is configured as a box-shaped box having a substantially rectangular cross-section partitioned by heat insulating walls 3 , and its internal space (hereinafter referred to as the storage room) 4 can pass through an opening and closing door 3A attached to the front surface portion 3A. ' to seal. Various heating elements such as a modem of communication equipment, a power supply unit, etc. are accommodated in the storehouse 4. In this embodiment, a rack 5 having a plurality of shelf boards 5a is arranged in the storehouse 4, and the shelf board 5a is provided with Various heating elements.
[0041] Cooling devices 10 for controlling and managing the temperature i...
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A cooling device (1) for a housing has: an air heat exchanger (20); an electronic cooler (30) in which a Peltier element (35) is disposed between a heat absorbing side heat sink (31) and a heat releasing side heat sink (33); and a control unit (40) that drives fans (22, 23) for the air heat exchanger (20), a heat absorption fan (32), a heat release fan (34), and the Peltier element (35) on the basis of a temperature (T1) inside the housing, outside air temperature (T2), and Peltier element (35) cooling air temperature (T3). The control unit (40) drives the fans (22, 23) with (T2 < T1) as a condition when a first setting temperature is reached within the preset normal operating temperature range inside the housing, and when a second setting temperature that is higher than a first setting temperature is reached, the Peltier element (35) cooling is driven with (T3 >= SVB; SVB being a preset condensation determination value) as a condition along with stopping the drive of the fans (22, 23).
Description
technical field [0001] The present invention relates to a cooling device for a box that cools a box that accommodates components that generate heat, such as a control board (also referred to as a heating element). Background technique [0002] Conventionally, there is known a cooling device that cools the inside of a box housing the heat generating body as described above to a constant temperature or lower. For example, Patent Document 1 discloses a cooling device in which a cooling device in which an air heat exchange type air conditioner and a refrigerant type air conditioner are integrated is provided in a housing. This cooling device is configured to use an air heat exchange type air conditioner and a refrigerant type air conditioner according to the temperature inside the cabinet and the temperature of the outside air, and a plurality of such cooling devices are installed according to the heat generating load (the number of heat generating elements). In addition, Paten...
Claims
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IPC IPC(8): H05K7/20F25B21/02H05K7/18F24F11/76
CPCF25B21/02F25B2321/0211F25D2700/123F25D2700/14H05K7/206
Inventor 前田隆志
Owner FURUKAWA ELECTRIC CO LTD