Ceiling type indoor unit of air conditioner

Abstract

According to the present disclosure, during a cooling operation, a reference set temperature Ts0 is increased by 1° C. after a first control to set a set temperature Ts, the set temperature Ts is further increased by 1° C. after a second control to set the set temperature Ts, the second control is repeated after the set temperature Ts increases by 2° C. from the reference set temperature Ts0, and the set temperature Ts increased by 2° C. can be decreased to the reference set temperature Ts0 step by step.

What is claimed is: 
     
         1 . A control method of a ceiling type indoor unit including a case which is installed to be suspended to a ceiling of a room, includes a suction port formed on a bottom surface, and includes a first discharge port and a third discharge port disposed to face each other based on the suction port and a second discharge port and a fourth discharge port disposed to face each other based on the suction port,
 a first vane module which is disposed in the first discharge port, constitutes one of a first discharge pair, and discharges air in a first discharge direction,   a second vane module which is disposed in the second discharge port, constitutes one of a second discharge pair, and discharges air in a second discharge direction,   a third vane module which is disposed in the third discharge port, constitutes the other one of the first discharge pair, and discharges air in a third discharge direction, and   a fourth vane module which is disposed in the fourth discharge port, constitutes the other one of the second discharge pair, and discharges air in a fourth discharge direction,   the control method comprising:   a step S 10  of turning on a cooling mode;   a first control of, in a case where a current temperature Tp in the room is equal to or higher than a reference set temperature Ts 0  after Step S 10 , operating the first discharge pair at one inclination angle and operating the second discharge pair at another inclination angle;   a step S 100  of increasing the reference set temperature Ts 0  by a first reference value to set a set temperature Ts after the first control; and   a second control of, after Step S 100 , operating the first discharged air at another inclination angle and operating the second discharge pair at the one inclination angle.   
     
     
         2 . The control method of  claim 1 , wherein the first control includes
 a step S 14  of, after Step S 10 , comparing the reference set temperature Ts 0  and the current temperature Tp,   an auto swing step S 20  of, in a case where the current temperature Tp is equal to or higher than the reference set temperature Ts 0 , after Step S 14 , simultaneously operating the first discharge pair and the second discharge pair for a reset auto time,   a first concentration improvement cooling step S 40  of, after Step S 20 , operating the first discharge pair at the one inclination angle and operating the second discharge pair at another inclination angle,   a first oblique wind unity step S 50  of, after Step  40 , operating the first discharge pair and the second discharge pair at the other inclination angle, and   a step S 60  of, after Step S 50 , determining whether or not the current temperature Tp is equal to or less than the reference set temperature Ts 0 , and   in a case where Step S 60  is satisfied, the step proceeds Step S 100 .   
     
     
         3 . The control method of  claim 2 , further comprising:
 a second concentration improvement cooling step S 70  of, in a case where Step S 60  is not satisfied, operating the first discharge pair at another inclination angle and operating the second discharge pair at one inclination angle;   a second oblique wind unity step S 80  of, after Step S 70 , operating the first discharge pair and the second discharge pair at the other inclination angle; and   a step S 90  of, after Step S 80 , determining whether or not the current temperature Tp is equal to or less than the reference set temperature Ts 0 ,   wherein in a case where Step S 90  is satisfied, the step proceeds to Step S 100 , and in a case where Step S 90  is not satisfied, the step is returned to Step S 40 .   
     
     
         4 . The control method of  claim 1 , wherein the second control includes
 a first-A concentration improvement cooling step S 110  of, after Step S 100 , operating the first discharge pair at the one inclination angle and operating the second discharge pair at anther inclination angle,   a second oblique wind unity cooling step S 120  of, after Step S 110 , operating the first discharge pair and the second discharge pair at the other inclination angle, and   a step S 130  of, after Step S 120 , determining whether or not the current temperature Tp is equal to or less than the set temperature Ts.   
     
     
         5 . The control method of  claim 4 , further comprising:
 a third-A concentration improvement cooling step S 140  of, in a case where Step S 130  is not satisfied, operating the first discharge pair at another inclination angle and operating the second discharge pair at the one inclination angle;   a fourth-A concentration improvement cooling step S 150  of, after Step S 140 , operating the first discharge pair and the second discharge pair at the other inclination angle; and   a step S 160  of, after Step S 150 , determining whether or not the current temperature Tp is equal to or less than the set temperature Ts.   
     
     
         6 . The control method of  claim 4 , further comprising:
 a step S 170  of determining, after the second control, determining the number of second controls,   wherein in a case where the number of second controls determined in Step S 170  is “0”, the set temperature Ts is increased by the first reference number, a count of the second control is increased by one, and the step is returned to Step S 110 .   
     
     
         7 . The control method of  claim 4 , further comprising:
 a step S 170  of determining, after the second control, determining the number of second controls,   wherein in a case where the number of second controls determined in Step S 170  is “1”, the set temperature Ts is decreased by the first reference number, a count of the second control is increased by one, and the step is returned to Step S 110 .   
     
     
         8 . The control method of  claim 4 , further comprising:
 a step S 170  of determining, after the second control, determining the number of second controls,   wherein in a case where the number of second controls determined in Step S 170  is “2”, the set temperature Ts is increased by the first reference number, a count of the second control is decreased by one, and the step is returned to Step S 110 .   
     
     
         9 . The control method of  claim 1 , wherein the first reference value is 1° C.,
 after the first control, the reference set temperature Ts 0  is increased by 1° C. to set the set temperature Ts, and after second control, the set temperature Ts is increased by 1° C. to set the set temperature Ts, and 
 after the set temperature Ts is increased by 2° C. than the reference set temperature Ts 0 , the second control is repeated such that the set temperature increased by 2° C. is decreased to the reference set temperature Ts 0 . 
 
     
     
         10 . The control method of  claim 4 , further comprising:
 a step S 170  of determining, after the second control, determining the number of second controls,   wherein in a case where the number of second controls determined in Step S 170  is “0”, the set temperature Ts is increased by the first reference number, a count of the second control is increased by one, and the step is returned to Step S 110 ,   in a case where the number of second controls determined in Step S 170  is “1”, the set temperature Ts is decreased by the first reference number, a count of the second control is increased by one, and the step is returned to Step S 110 , and   in a case where the number of second controls determined in Step  3170  is “2”, the set temperature Ts is increased by the first reference number, a count of the second control is decreased by one, and the step is returned to Step S 110 .   
     
     
         11 . The control method of  claim 1 , wherein the first control includes
 a step S 14  of, after Step S 10 , comparing the reference set temperature Ts 0  and the current temperature Tp,   an auto swing step S 20  of, in a case where the current temperature Tp is equal to or higher than the reference set temperature Ts 0 , after Step S 14 , simultaneously operating the first discharge pair and the second discharge pair for a reset auto time,   a first concentration improvement cooling step S 40  of, after Step S 20 , operating the first discharge pair at the one inclination angle and operating the second discharge pair at another inclination angle,   a first oblique wind unity step S 50  of, after Step  40 , operating the first discharge pair and the second discharge pair at the other inclination angle, and   a step S 60  of, after Step S 50 , determining whether or not the current temperature Tp is equal to or less than the reference set temperature Ts 0 ,   a second concentration improvement cooling step S 70  of, in a case where Step S 60  is not satisfied, operating the first discharge pair at another inclination angle and operating the second discharge pair at one inclination angle,   a second oblique wind unity step S 80  of, after Step S 70 , operating the first discharge pair and the second discharge pair at the other inclination angle, and   a step S 90  of, after Step S 80 , determining whether or not the current temperature Tp is equal to or less than the reference set temperature Ts 0 , wherein the second control includes   a first-A concentration improvement cooling step S 110  of, after Step S 100 , operating the first discharge pair at the one inclination angle and operating the second discharge pair at anther inclination angle,   a second oblique wind unity cooling step S 120  of, after Step S 110 , operating the first discharge pair and the second discharge pair at the other inclination angle,   a step S 130  of, after Step S 120 , determining whether or not the current temperature Tp is equal to or less than the set temperature Ts,   a third-A concentration improvement cooling step S 140  of, in a case where Step S 130  is not satisfied, operating the first discharge pair at another inclination angle and operating the second discharge pair at the one inclination angle,   a fourth-A concentration improvement cooling step S 150  of, after Step S 140 , operating the first discharge pair and the second discharge pair at the other inclination angle, and   a step S 160  of, after Step S 150 , determining whether or not the current temperature Tp is equal to or less than the set temperature Ts.   
     
     
         12 . The control method of  claim 11 , wherein in a case where Step S 60  or S 90  is satisfied, the step proceeds to Step S 100 ,
 in a case where Step S 90  is not satisfied, the step is returned to S 40 , and 
 in a case where Step S 160  is not satisfied, the step is returned to Step S 110 . 
 
     
     
         13 . The control method of  claim 11 , further comprising:
 a step S 170  of determining, after the second control, determining the number of second controls,   wherein in a case where Step S 130  or S 160  is satisfied, the step proceeds to Step S 170 ,   in a case where the number of second controls determined in Step S 170  is “0”, the set temperature Ts is increased by the first reference number, a count of the second control is increased by one, and the step is returned to Step S 110 ,   in a case where the number of second controls determined in Step S 170  is “1”, the set temperature Ts is decreased by the first reference number, a count of the second control is increased by one, and the step is returned to Step S 110 , and   in a case where the number of second controls determined in Step S 170  is “2”, the set temperature Ts is increased by the first reference number, a count of the second control is decreased by one, and the step is returned to Step S 110 .   
     
     
         14 . The control method of  claim 1 , wherein another inclination angle is formed more vertically in an up-down direction than the one inclination angle. 
     
     
         15 . The control method of  claim 1 , wherein another inclination angle is formed more vertically in an up-down direction than the one inclination angle, and
 the other inclination angle is formed between the one inclination angle and another inclination angle.   
     
     
         16 . The control method of  claim 1 , wherein each vane module includes a first vane configured to be disposed in the discharge port, a second vane configured to be disposed in the discharge port, a vane motor configured to be assembled to the case and supply a driving force to the first vane and the second vane, a drive link configured to be assembled to be rotatable relative to the case, to be coupled to the vane motor, and transmit the driving force of the vane motor to the first vane and the second vane, a first vane line configured to be assembled to be rotatable relative to the case and the first vane, and a second vane link configured to be assembled to be rotatable relative to the drive link and the second vane. 
     
     
         17 . The method of  claim 16 , wherein when the one inclination angle is provided, a rear end of the first vane is located higher than a front end of the second vane. 
     
     
         18 . The control method of  claim 16 , wherein in the one inclination angle, the first vane forms an inclination from 16° to 29° and the second vane forms an inclination of 57° to 67°, and
 in the another inclination angle, the first vane forms an inclination from 35° to 44° and the second vane forms an inclination of 70° to 72°. 
 
     
     
         19 . A control method of a ceiling type indoor unit including a case which is installed to be suspended to a ceiling of a room, includes a suction port formed on a bottom surface, and includes a first discharge port disposed on one side and a second discharge pair disposed on the other side based on the suction port,
 the control method comprising:   a step S 10  of turning on a cooling mode;   a first control of, in a case where a current temperature Tp in the room is equal to or higher than a reference set temperature Ts 0  after Step S 10 , operating the first discharge pair at one inclination angle and operating the second discharge pair at another inclination angle;   a step S 100  of increasing the reference set temperature Ts 0  by a first reference value to set a set temperature Ts after the first control; and   a second control of, after Step S 100 , operating the first discharged air at another inclination angle and operating the second discharge pair at the one inclination angle.