US2008053141A1PendingUtilityA1

Water-cooled air conditioner and method of controlling the same

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Assignee: KIM IN KYUPriority: Sep 1, 2006Filed: Apr 16, 2007Published: Mar 6, 2008
Est. expirySep 1, 2026(~0.1 yrs left)· nominal 20-yr term from priority
Inventors:In Kyu KimJa Hyung KooSim Won ChinSoo Yeon Shin
F24F 11/30F25B 2313/004F25B 2339/047F25B 13/00F24F 2110/00F24F 3/06F25B 49/02F25B 1/00F25B 45/00
53
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Claims

Abstract

A water-cooled air conditioner and a method controlling the same are provided. The water-cooled air conditioner includes a compressor for compressing refrigerant, a plate-shaped heat exchanger where the refrigerant compressed by the compressor is heat exchanged with water, water inflow and outflow pipes for guiding inflow and outflow of the water, and a water detecting unit for detecting if the water exists in the heat exchanger. The water inflow and outflow pipes are provided in the heat exchanger. The water detecting unit is provided at a side of one of the water inflow and outflow pipes.

Claims

exact text as granted — not AI-modified
1 . A water-cooled air conditioner comprising:
 a compressor for compressing refrigerant;   a plate-shaped heat exchanger where the refrigerant compressed by the compressor is heat-exchanged with water;   water inflow and outflow pipes for guiding inflow and outflow of the water, the water inflow and outflow pipes being provided in the heat exchanger; and   a water detecting unit for detecting if the water exists in the heat exchanger, the water detecting unit being provided at a side of one of the water inflow and outflow pipes.   
   
   
       2 . The water-cooled air conditioner according to  claim 1 , wherein the water detecting unit is a floater switch for detecting if the water exists by measuring a water level of one of the water inflow and outflow pipes. 
   
   
       3 . A water-cooled air conditioner comprising:
 a compressor for compressing refrigerant;   a plate-shaped heat exchanger where the refrigerant compressed by the compressor is heat-exchanged with water;   water inflow and outflow pipes for guiding inflow and outflow of the water, the water inflow and outflow pipes being provided in the heat exchanger; and   a water flow detecting unit for detecting if the water flows in the heat exchanger, the water flow detecting unit being provided at a side of one of the water inflow and outflow pipes.   
   
   
       4 . The water-cooled air conditioner according to  claim 3 , wherein the water flow detecting unit includes water pressure sensors for detecting water pressures of the water inflow and outflow pipes and determining if the water flows using a pressure difference between the water pressures detected, the water pressure sensors being installed at sides of the water inflow and outflow pipes, respectively. 
   
   
       5 . The water-cooled air conditioner according to  claim 4 , wherein the water pressure sensors include:
 an inflow pressure sensor that is installed on the water inflow pipe to detect the water pressure of the water inflow pipe; and   an outflow pressure sensor that is installed on the water outflow pipe to detect the water pressure of the water outflow pipe.   
   
   
       6 . The water-cooled air conditioner according to  claim 3 , wherein the water flow detecting unit includes water temperature sensors for detecting water temperatures of the water inflow and outflow pipes and determining if the water flows using a temperature difference between the water temperatures detected, the water temperature sensors being installed at sides of the water inflow and outflow pipes, respectively. 
   
   
       7 . The water-cooled air conditioner according to  claim 6 , wherein the water temperature sensors include:
 an inflow temperature for detecting the water temperature of the water inflow pipe; and   an outflow temperature sensor for detecting the water temperature of the water outflow pipe.   
   
   
       8 . A water-cooled air conditioner comprising:
 a compressor for compressing refrigerant;   a plate-shaped heat exchanger where the refrigerant compressed by the compressor is heat-exchanged with water;   water inflow and outflow pipes for guiding inflow and outflow of the water, the water inflow and outflow pipes being provided in the heat exchanger;   a water detecting unit for detecting if the water exists in the heat exchanger, the water detecting unit being provided at a side of one of the water inflow and outflow pipes; and   a water flow detecting unit for detecting if the water flows in the heat exchanger, the water flow detecting unit being provided at a side of one of the water inflow and outflow pipes.   
   
   
       9 . The water-cooled air conditioner according to  claim 8 , wherein the water detecting unit is a floater switch for detecting if the water exists by measuring a water level of one of the water inflow and outflow pipes. 
   
   
       10 . The water-cooled air conditioner according to  claim 8 , wherein the water flow detecting unit includes water pressure sensors for detecting water pressures of the water inflow and outflow pipes and determining if the water flows using a pressure difference between the water pressures detected, the water pressure sensors being installed at sides of the water inflow and outflow pipes, respectively. 
   
   
       11 . The water-cooled air conditioner according to  claim 10 , wherein the water pressure sensors include:
 an inflow pressure sensor that is installed on the water inflow pipe to detect the water pressure of the water inflow pipe; and   an outflow pressure sensor that is installed on the water outflow pipe to detect the water pressure of the water outflow pipe.   
   
   
       12 . The water-cooled air conditioner according to  claim 8 , wherein the water flow detecting unit includes water temperature sensors for detecting water temperatures of the water inflow and outflow pipes and determining if the water flows using a temperature difference between the water temperatures detected, the water temperature sensors being installed at sides of the water inflow and outflow pipes, respectively. 
   
   
       13 . The water-cooled air conditioner according to claim  12 , wherein the water temperature sensors include:
 an inflow temperature for detecting the water temperature of the water inflow pipe; and   an outflow temperature sensor for detecting the water temperature of the water outflow pipe.   
   
   
       14 . The water-cooled air conditioner according to  claim 8 , wherein the water flow detecting unit includes:
 water pressure sensors for detecting water pressures of the water inflow and outflow pipes and determining if the water flows using a pressure difference between the water pressures detected, the water pressure sensors being installed at sides of the water inflow and outflow pipes, respectively; and   water temperature sensors for detecting water temperatures of the water inflow and outflow pipes and determining if the water flows using a temperature difference between the water temperatures detected, the water temperature sensors being installed at sides of the water inflow and outflow pipes, respectively.   
   
   
       15 . The water-cooled air conditioner according to  claim 14 , wherein the water pressure sensors include:
 an inflow pressure sensor that is installed on the water inflow pipe to detect the water pressure of the water inflow pipe; and   an outflow pressure sensor that is installed on the water outflow pipe to detect the water pressure of the water outflow pipe.   
   
   
       16 . The water-cooled air conditioner according to  claim 14 , wherein the water temperature sensors include:
 an inflow temperature for detecting the water temperature of the water inflow pipe; and   an outflow temperature sensor for detecting the water temperature of the water outflow pipe.   
   
   
       17 . A method of controlling a water-cooled air conditioner, comprising:
 detecting a water level of one of water inflow and outflow pipes that are provided at a side of a heat exchanger to guide inflow and outflow of the water;   comparing the water level detected with a reference water level; and   controlling a driving of a compressor depending on a comparison result between the detected water level and the reference water level.   
   
   
       18 . The method according to  claim 17 , wherein the compressor is controlled to drive when the detected water level is equal to or greater than the reference water level. 
   
   
       19 . The method according to  claim 18 , wherein the reference water level is ½ of an inner diameter of one of the water inflow and outflow pipes. 
   
   
       20 . A method of controlling a water-cooled air conditioner, comprising:
 detecting water pressures of water inflow and outflow pipes that are provided at a side of a heat exchanger to guide inflow and outflow of the water;   comparing a pressure difference between the water pressures detected with a reference water pressure; and   controlling a driving of a compressor depending on a comparison result between the pressure difference and the reference water pressure.   
   
   
       21 . The method according to  claim 20 , wherein the compressor is controlled to stop driving when the pressure difference is equal to or greater than the reference water pressure. 
   
   
       22 . The method according to  claim 21 , wherein the reference water pressure is 20 kPa. 
   
   
       23 . A method of controlling a water-cooled air conditioner, comprising:
 detecting water temperatures of water inflow and outflow pipes that are provided at a side of a heat exchanger to guide inflow and outflow of the water;   comparing a temperature difference between the water temperatures detected with a reference water temperature; and   controlling a driving of a compressor depending on a comparison result between the temperature difference and the reference water temperature.   
   
   
       24 . The method according to  claim 23 , wherein the compressor is controlled to stop driving when the temperature difference is equal to or less than the reference water temperature. 
   
   
       25 . The method according to  claim 23 , wherein the reference water temperature is 3° C. 
   
   
       26 . A method of controlling a water-cooled air conditioner, comprising:
 detecting a water level of one of water inflow and outflow pipes that are provided at a side of a heat exchanger to guide inflow and outflow of the water;   comparing the water level detected with a reference water level;   controlling a driving of a compressor depending on a comparison result between the detected water level and the reference water level;   detecting if the water flows in the heat exchanger using a water flow detecting unit provided at a side of the heat exchanger; and   further controlling the driving of the compressor depending on whether the water flows or not.   
   
   
       27 . The method according to  claim 26 , wherein the compressor is controlled to drive when the detected water level is equal to or greater than the reference water level. 
   
   
       28 . The method according to  claim 27 , wherein the reference water level is ½ of an inner diameter of one of the water inflow and outflow pipes. 
   
   
       29 . The method according to  claim 26 , wherein the detecting if the water flows comprises:
 detecting water pressures of the water inflow and outflow pipes; and   comparing a pressure difference between the water pressures detected with a reference water pressure.   
   
   
       30 . The method according to  claim 29 , wherein the compressor is controlled to stop driving when the pressure difference is equal to or greater than the reference water pressure. 
   
   
       31 . The method according to  claim 30 , wherein the reference water pressure is 20 kPa. 
   
   
       32 . The method of  claim 26 , wherein the detecting if the water flows comprises:
 detecting water temperatures of the water inflow and outflow pipes; and   comparing a temperature difference between the water temperatures detected with a reference water temperature.   
   
   
       33 . The method according to  claim 32 , wherein the compressor is controlled to stop driving when the temperature difference is equal to or less than the reference water temperature. 
   
   
       34 . The method according to  claim 33 , wherein the reference water temperature is 3° C.

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