KR19990031598A - Air conditioner - Google Patents

Abstract

The present invention relates to an air conditioner having a compressor, a casing having an air inlet and a discharge port, and a blower fan for discharging the air installed and processed in the casing through the discharge port. A blocking sheet which is drawn out and withdrawn by the forward and reverse rotation of the roller to block and open the discharge port; A roller driving motor for driving the winding roller forward and backward; The blocking sheet may include at least one operation button for manipulating the roller driving motor to open and block the discharge port. As a result, an air conditioner capable of selectively opening and closing the air discharge port and suppressing the inflow of dust and foreign matter into the casing is provided.

Description

Air conditioner

The present invention relates to an air conditioner having a compressor, a casing having an air inlet and a discharge port, and a blower fan configured to discharge air, which is installed and processed in the casing, through the discharge port. The present invention relates to an air conditioner capable of selectively opening and closing a discharge port so as to suppress foreign substances from flowing into the casing through the discharge port.

An air conditioner is a device for adjusting the temperature, humidity, airflow, and cleanliness of air sent to the room to create a comfortable indoor environment. The air conditioner is classified into an integrated type and a separate type according to the configuration of the unit.

The split type air conditioner usually divides the components that make up the refrigeration cycle into two parts, and the blower, the evaporator, and the air filter are indoors, and the compressor and the condenser are the outdoor units, which are placed indoors and outdoors, and interconnected with refrigerant piping. It is installed as possible.

The integrated air conditioner allows the components of the refrigeration cycle to be accommodated in a single case, compressing the refrigerant by a compressor to form a high temperature and high pressure gas, and decompressing the high temperature and high pressure refrigerant condensed by heat radiation in the condenser through a capillary tube. Done. The refrigerant decompressed through the capillary tube flows into the evaporator and evaporates to absorb latent heat of the surroundings to perform a cooling operation.

9 is an exploded perspective view of a conventional air conditioner. As shown in this figure, the air conditioner has a rectangular cylindrical outer casing 103 forming an appearance, and a front cover 105 assembled on the front surface of the outer casing 103 and having an air suction opening 106 formed therein. . The outer casing 103 is provided with an evaporator 109 for cooling the air by a cooling action that absorbs the surrounding heat while the refrigerant evaporates, and a cooling operation is performed in the evaporator 109 behind the evaporator 109. A compressor 111 for pressurizing a low temperature low pressure gaseous refrigerant is provided. In addition, a condenser 113 is installed inside the outer casing 103 to face the evaporator 109, and the condenser 113 is pressurized from the compressor 111 to receive and condense a gaseous refrigerant having a high temperature and high pressure. do. These are interconnected by refrigerant piping so that the refrigerant can be circulated.

On the back side of the evaporator 109, a flow path duct 115 for forming an air flow path is provided, and the flow path duct 115 is provided with a cylindrical indoor blowing fan (not shown). The indoor blowing fan is coupled to one rotating shaft of a blowing fan driving motor (not shown) having a rotating shaft extending to both sides along the axial direction, and the other rotating shaft is coupled to an outdoor blowing fan 116 having a propeller shape to condenser 113. It is blown toward. The right side of the evaporator 109 is coupled to a square-shaped blade frame 117 is formed at the end of the flow path duct 115 forming the air discharge port 107, the air discharged to the edge of the air discharge port 107 A plurality of blades 119 are installed to adjust the wind direction of the. In addition, a control box 123 for operating a device is provided below the air discharge port 107.

By the way, in such a conventional air conditioner, even when the air conditioner is not used, the air discharge port is always open so that dust and / or foreign matter enters the casing through the air discharge port, and accumulates or accumulates on each blade surface. Therefore, there is a problem in that dust and foreign matter accumulated during operation of the air conditioner are mixed with the discharged air and provided to the room.

Accordingly, an object of the present invention is to provide an air conditioner that can selectively open and close the air discharge port and can suppress the inflow of dust and foreign matter into the casing.

1 is an exploded perspective view of an air conditioner according to the present invention;

FIG. 2 is an exploded perspective view of the air discharge region of the air conditioner of FIG. 1;

3 is a longitudinal sectional view of the air discharge port region of FIG. 2;

4 is a plan sectional view of the air discharge port region of FIG. 2;

5 and 6 are side cross-sectional views of the open and blocked states of the air discharge port of FIG. 2, respectively;

7 is an actual wiring diagram of the air conditioner of FIG. 1;

8 is an actual wiring diagram of an air conditioner according to another embodiment of the present invention;

9 is an exploded perspective view of a conventional air conditioner.

* Explanation of symbols for the main parts of the drawings

3: outer casing 5: front cover

7 air outlet 9 evaporator

11: compressor 13: condenser

15: Euro duct 17: Blade frame

25: winding roller 29: roller driving motor

31: blocking sheet 33: tension weight

35: guide rail 38: release button

40: blocking button

The above object is, according to the present invention, an air conditioner having a compressor, a casing having an air intake port and a discharge port, and a blower fan for discharging air, which is installed and processed in the casing, through the discharge port. And a blocking sheet for drawing out and withdrawing by forward and reverse rotation of the winding roller to block and open the discharge port, a roller driving motor for forward and reverse driving the winding roller, and the blocking sheet to open and block the discharge port. It is achieved by an air conditioner comprising at least one operation button for operating the roller drive motor.

Here, the operation button preferably includes an opening button for operating the roller driving motor so that the blocking sheet can open the discharge port, and a blocking button for operating the blocking sheet to block the discharge port.

Further comprising a timer for setting the drive time of the compressor and the blowing fan, it may be effective to configure the operation button to be interposed between the timer and the roller driving motor.

The apparatus may further include a mode selection switch for selecting an operation mode of the compressor and the blower fan, and the operation button may be configured to be interposed between the mode selection switch and the roller driving motor.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

1 is a perspective view of an air conditioner according to the present invention. As shown in this figure, the air conditioner according to the present invention is a rectangular cylindrical outer casing (3) forming the appearance, the front cover is assembled on the front of the outer casing (3) and the air inlet (6) is formed ( 5) has An evaporator 9 is provided in the outer casing 3 so that heat can be exchanged while passing air, and a compressor 11 for pressurizing a refrigerant is provided at the rear of the evaporator 9. In addition, a condenser 13 is provided inside the outer casing so as to face the evaporator 9, and they are interconnected by a refrigerant pipe so that the refrigerant can be circulated.

On the other hand, the back side of the evaporator 9 is provided with a flow path duct 15 for forming an air flow path, and a cylindrical indoor blowing fan (not shown) is provided in the flow path duct 15. The blowing fan driving motor (not shown) for driving the indoor blowing fan has a rotating shaft extending to both sides along the axial direction of the indoor blowing fan, and the outdoor blowing fan 16 having a propeller shape is provided on the other rotating shaft of the blowing fan driving motor. Combined and blown toward the condenser (13). The right side of the evaporator (9) is coupled to a rectangular blade frame (17) formed at the end of the flow path duct (15) and forming an air outlet (7), the operation operation below the air outlet (7) The control box 23 is provided for.

FIG. 2 is a partially enlarged perspective view of the air discharge port region of the air conditioner of FIG. 1, FIG. 3 is a longitudinal cross-sectional view of FIG. 2, FIG. 4 is a cross sectional view of FIG. 2, and FIGS. 5 and 6 are respectively an opening of the air discharge port. Side cross-sectional view of the state and blocking state. As shown in these figures, the air discharge port 7 is provided with a pair of vertical blades 21 along the left and right directions of the air discharge port 7, and in front of the vertical blade 21 of the air discharge port 7. A plurality of horizontal blades 19 are provided along the vertical direction.

A winding roller 25 is provided at the upper edge of the air discharge port 7 so as to be capable of forward and reverse rotation, and rotating shafts 27 extending outward along the axial direction are formed at both ends of the winding roller 25. One side of the rotating shaft 27 is coupled to the roller drive motor 29 for forward and reverse driving the winding roller 25, the roller drive motor 29 is connected to a control unit 37 composed of a microcomputer and the like. The outer surface of the take-up roller 25 is coupled with the blocking sheet 31 to be taken out and withdrawn in conjunction with the forward and reverse rotation of the take-up roller 25 to open and block the air outlet 7. The lower end of the blocking sheet 31 is coupled to the tension bar 33 having an appropriate weight so as to guide the downward movement of the blocking sheet 31. The tension weight 33 extends in the width direction of the blocking sheet 31, and guide rails 35 are provided at both side edges of the air discharge port 7 so as to receive and guide both side ends of the tension weight 33 along the vertical direction. ) Is formed.

On the other hand, the front of the control box 23, the operating time can be selected, the timer 37 for turning on / off the operation of the device, and the temperature control switch 39 for controlling the temperature of the discharged air is provided. On the lower side of these temperature control switch 39 and the timer 37, the air volume selection switch 43 for adjusting the air flow rate and the wind direction selection switch 41 for adjusting the wind direction are provided. In addition, between the timer 37 and the wind direction selection switch 41, an opening button 38 for rotating the roller drive motor 29 in a clockwise direction and a blocking button 40 for rotating in a counterclockwise direction are provided.

7 is a schematic diagram of the air conditioner according to the present invention. As shown, the air conditioner according to the present invention has a driving unit 36 for performing the basic functions of the air conditioner, such as a heat exchange function and a blowing function, like a conventional air conditioner. The driving unit 36 includes a timer 37 for setting the operating time of the compressor and the blowing fan, and a condenser 49 to stably supply current to the compressor driving motor 51 and the blowing fan driving motor 47. Have

On the other hand, the roller drive motor 29 is connected to one side of the winding roller in the forward and reverse rotation, the common power supply terminal connected to the connection terminal of the condenser 49, the roller drive motor 29 is rotated in the clockwise direction, the blocking sheet is wound The power supply terminal for clockwise driving to be wound on the roller, and the power source terminal for counterclockwise driving so that the roller driving motor 29 rotates counterclockwise so that the blocking sheet is drawn out from the winding roller. These clockwise driving power terminals and counterclockwise driving power terminals are respectively connected to the connection terminal of the timer 37, and each terminal has an opening button 38 and a blocking button 40 for opening and closing respective power sources. ) Are installed respectively. Reference numeral 39, which is not described in the drawings, is a temperature control switch, 41 and 43 are wind direction selection switches and air volume selection switches, and 45 are blade driving motors. And 53 represents an overload protector.

By this configuration, when the opening button 38 is pressed in advance of the machine operation, the roller driving motor 29 is rotated in the clockwise direction, whereby the blocking sheet 31 is air in conjunction with the rotation of the take-up roller 25. It is withdrawn from the discharge port 7 so that the air discharge port 7 may be opened. When the air outlet 7 is opened, the timer 37 in the control box 23 is operated to perform a heat exchange function or the like according to the room temperature condition. When the heat exchange function is completed, the roller driving motor 29 is rotated counterclockwise when the blocking button 40 is pressed. Accordingly, the blocking sheet 31 moves downward so that the air outlet 7 is blocked. do.

On the other hand, Figure 8 is a schematic diagram of the air conditioner according to another embodiment of the present invention. As shown, the air conditioner also has a driving unit 56 for performing the basic functions of the air conditioner, such as a heat exchange function and a blowing function, like the conventional air conditioner, the driving unit 56 has a degree of cooling and air flow The selector switch 57 and the compressor drive motor 71 and the fan drive motor capacitor 68 are provided so as to stably supply current to the compressor drive motor 71 and the blower fan drive motor 67.

On the other hand, the roller drive motor 79 connected to one side of the take-up roller is rotated forward and backward, the common power supply terminal connected to the connection terminal of the compressor drive motor capacitor 69, the roller drive motor 79 is rotated in the clockwise direction to block The power supply terminal for the clockwise drive for allowing the sheet to be wound on the take-up roller, and the power supply terminal for the counterclockwise drive for the roller drive motor 79 to rotate in the counterclockwise direction so that the blocking sheet is drawn out from the take-up roller. These clockwise driving power terminals and counterclockwise driving power terminals are respectively connected to the connection terminal of the selector switch 57, and each terminal has an opening button 58 and a blocking button (to open and close the respective power sources). 60 are respectively installed. Reference numerals 59 and 61 which are not described in the drawings denote temperature control switches and wind direction selection switches, respectively, and 65 and 73 denote blade driving motors and overload protectors, respectively.

By this configuration, when the opening button 58 is pressed, the roller driving motor 79 is rotated clockwise so that the blocking sheet is wound around the winding roller to open the air discharge port, and pressing the blocking button 60 causes the roller driving motor 79 to be pressed. ) Rotates counterclockwise so that the seat is moved downward so that the air outlet is blocked.

In this way, the winding sheet is wound on the winding roller, is drawn out and withdrawn by the forward and reverse rotation of the winding roller to block and open the discharge port, the roller driving motor driving the winding roller, and the blocking sheet to open and block the discharge port. By providing an operation button for operating the roller drive motor to open and close the discharge port, it is possible to suppress the inflow of dust and foreign matter into the casing.

As described above, according to the present invention, there is provided an air conditioner capable of selectively opening and closing the air discharge port and suppressing the inflow of dust and foreign matter into the casing.

Claims (4)

An air conditioner having a compressor, a casing having an air intake port and a discharge port, and a blower fan configured to discharge air processed and installed in the casing through the discharge port, A blocking sheet wound around a winding roller, withdrawn and withdrawn by forward and reverse rotation of the winding roller to block and open the discharge port; A roller driving motor for driving the winding roller forward and backward; And at least one operation button for manipulating the roller driving motor to allow the blocking sheet to open and block the discharge port. The method of claim 1, And the operation button includes an opening button for operating the roller driving motor to allow the blocking sheet to open the discharge port, and a blocking button for operating the blocking sheet to block the discharge port. The method according to claim 1 or 2, And a timer for setting a driving time of the compressor and the blower fan, wherein the operation button is interposed between the timer and the roller driving motor. The method according to claim 1 or 2, And a mode selection switch for selecting an operation mode of the compressor and the blower fan, wherein the operation button is interposed between the mode selection switch and the roller driving motor.