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Surface temperature estimating device, surface temperature estimating method, and dew condensation judging device

A technology of surface temperature and estimating part, which is applied in the field of dew condensation determination device, and can solve the problem of not assuming a mechanism for water discharge, etc.

Inactive Publication Date: 2015-12-02
YAMATAKE HONEYWELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, air conditioning devices such as chilled beams and radiant panels are not designed to provide a mechanism for discharging the water condensed on heat exchangers such as coils and radiant panels.

Method used

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  • Surface temperature estimating device, surface temperature estimating method, and dew condensation judging device
  • Surface temperature estimating device, surface temperature estimating method, and dew condensation judging device
  • Surface temperature estimating device, surface temperature estimating method, and dew condensation judging device

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Embodiment Construction

[0030] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0031] Such as figure 1 As shown, the air-conditioning system 1 according to this embodiment includes chilled beams 12a-12c arranged on the back of the ceilings of the air-conditioned spaces 11a-11c, conditioned air heat-treated with outdoor air, and The heat-processed refrigerant (cold and hot water) is supplied to the external conditioner 13 of these chilled beams 12a-12c. Furthermore, the external conditioner 13 is provided with valves 14a and 14b for adjusting the amount of refrigerant introduced into the external conditioner 13 from a heat source device (not shown).

[0032] On the other hand, in the air-conditioned spaces 11a-11c, the indoor sensors 15a-15c which measure the indoor dew point temperature in the air-conditioned spaces are arrange|positioned. Moreover, the surface temperature sensor 16 which measures temperature is arrange|positioned on ...

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Abstract

The present invention provides a surface temperature estimation device which is suitable for estimating the surface temperature of a heat exchanger with condensate generation, a surface temperature estimation method and a condensate determination device. A control device (19) estimates surface temperature of a heat exchanger (121a) according to the temperature of refrigerant which is supplied by an outer unit (13) and is measured by an outlet temperature sensor (17) and the temperature that is measured by a surface temperature sensor configured on the surface of the heat exchanger (121a). Therefore, the surface temperature of the heat exchanger which is suitable for forecasting condensate generation can be obtained. Furthermore, the obtained value is compared with an indoor dew point temperature which is measured by indoor sensors (15a-15c) for determining whether condensate occurs on the heat exchangers (121a-121c) of cold beams (12a-12c). Therefore, the result of the surface temperature estimation device can forecast condensate more accurately.

Description

technical field [0001] The present invention relates to a surface temperature estimating device and a surface temperature estimating method for estimating the surface temperature of a heat exchanger installed on a chilled beam (chilled beam), a radiant plate, etc., and a structure for determining the occurrence of dew condensation in a heat exchanger based on the surface temperature Dew determination device. Background technique [0002] Conventionally, an air conditioner using a heat exchanger to which a heat-treated refrigerant is supplied is known. This type of air conditioner arranges heat exchangers such as coils and radiant panels for circulating refrigerant on the ceiling of each controlled space, and conducts heat transfer by convective radiation from the heat exchangers, so it is excellent as an energy-saving device. Air-conditioning technology has attracted much attention in recent years. An example of a chilled beam with a heat exchanger in such an air condition...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/02
Inventor 三枝隆晴中慎也染谷博行
Owner YAMATAKE HONEYWELL CO LTD
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