KR20000023149A - Air-conditioner - Google Patents

Abstract

PURPOSE: An air conditioner is provided to shorten the distance between each electric component from a control unit and to reduce the cost for producing connecting components by installing the control unit on the front face of a casing. CONSTITUTION: An indoor unit(1) of an air conditioner is composed of an outer casing(3) having a heat exchanger(5) and a blower fan(7), a ventilation unit(10) and a suction grill unit(20) combined to the front face of the outer casing, and a front face board(30) combined between the ventilation unit and the suction grill unit to be able to be separated. Herein, a reception recessed unit(40) receiving a control unit(50) is formed on one position of the front face board to be recessed more deeply than a front recessed part(31). A cover member(70) cutting off a front aperture of a reception holder(60) from the front face of the reception recessed part is formed on the front face of the reception recessed part combined to the reception holder. The control unit is connected to a main PCB(Printed Circuit Board) received in an operation panel(33), has a control PCB(51) controlling the operation of the devices and a transformer(53), installed in the reception holder and received in the reception recessed part. Herein, the cost for connection components is reduced, and the working efficiency of repairing disorders and examination of disorders are improved.

Description

Air Conditioner {AIR-CONDITIONER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to an air conditioner for installing a control unit in a front plate portion region of an air conditioner.

An air conditioner is a device that controls the temperature, humidity, airflow, and cleanliness of the air provided to the room to create a pleasant indoor environment. Such an air conditioner includes an integrated air conditioner configured to accommodate components of a refrigeration cycle in a single case to perform a cooling operation, and a separate air conditioner for dividing components of a refrigeration cycle into two parts to perform a cooling operation. Separate.

The present invention relates to a split type air conditioner, and more particularly to an indoor unit of a split type air conditioner.

5 is a perspective view of a conventional air conditioner indoor unit. As shown in the figure, the indoor unit of the conventional air conditioner, the outer casing 101 to form a receiving space for accommodating the components for the operation of the device, the front upper and lower front region of the outer casing 101 It has a discharge unit 110 and the suction grill unit 120 is installed in the top cover 105 is coupled to the upper end of the outer casing (101). Inside the outer casing 101, a heat exchanger (not shown) provided in the lower region of the outer casing 101 and a blowing fan 107 mounted in the upper region of the heat exchanger are provided.

The discharge unit 110 is provided with a discharge port 111 for discharging air, and in this discharge port region, a discharge port shutter 113 for automatically opening and closing the discharge port 111 and a direction of air discharged from the blower fan are controlled. A horizontal blade 115 and a vertical blade (not shown) are provided. In addition, an operation panel 117 including a plurality of operation buttons for operating the device is provided in one region of the discharge unit 110, and a main PCB (not shown) is accommodated in the operation panel 117. . The suction grill unit 120 is provided with a grill frame 125 in which a plurality of suction grills 123 forming the suction port 121 are mounted in parallel.

On the other hand, the top cover 105 coupled to the upper end of the outer casing 101, the component seating portion 131 for mounting the control component for controlling the device, and the control components seated on the component seating portion 131 It has a control unit 133 made. The component seating part 131 is formed by recessing the central surface of the top surface of the top cover 105 toward the outer casing 101 side, and the control part 133 seated on the component seating part 131 is formed on the operation panel 117. It has a control PCB 135 and a transformer 137 connected to the main PCB provided therein. At this time, the mounting portion cover 139 is coupled to the upper portion of the component seating portion 131 to block foreign substances, such as the control PCB 135 and the transformer 137 accommodated in the component seating portion 131.

In addition, a connector receiving portion 141 is formed in the central area of the outer casing 101 and the discharge unit 110, and the connector receiving portion 141 is connected to a power lead wire 143 extending from a power source. The connector and the connector connected to the power lead wire 143 extending from the operation panel 117 and the control unit 133 are interconnected.

By the above configuration, the main PCB accommodated in the operation panel 117 of the front casing 103 and the control PCB 135 and the transformer 137 of the control unit 133 are connected from the outside, and extend from the power source. The supplied power lead wire 143 extends from the lower end of the outer casing 101 to the inside of the outer casing 101.

By the way, in such a conventional air conditioner, the power lead wire for supplying power from the outside flows into the outer casing from the lower portion of the outer casing, and is provided at the upper end of the outer casing via the connector accommodating portion in the center area of the outer casing. It extends to the negative portion, and the production cost increases because the power lead wire is lengthened.

In addition, when the control unit is provided at the upper end of the outer casing and requires troubleshooting and inspection of the device, there is a problem in that workability occurs when an operator places a chair and a ladder, thereby degrading workability.

Therefore, an object of the present invention, the control unit can be installed on the front of the casing, it is possible to shorten the distance between each electrical component and the control unit of the air conditioner, the manufacturing required as a connecting part connecting them You can save money.

In addition, to provide an air conditioner that can improve the workability when troubleshooting and troubleshooting the device.

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

FIG. 2 is an enlarged exploded perspective view of the front plate portion region of FIG. 1; FIG.

3 is an enlarged cross-sectional view of the assembly along line III-III of FIG. 2;

4 is an exploded perspective view of a conventional indoor air conditioner indoor unit.

* Explanation of symbols for the main parts of the drawings

10: discharge unit 11: discharge port

20: suction grill unit 21: suction port

30: front panel portion 31: front recess

33: operation panel 35: decorative cover

40: accommodating depression 41: ridge

43: projection receiving groove 45: fastening portion

47: hook portion 49: fixing projection groove

50: control unit 60: housing holder

61: cutting housing 67: hook accommodation

69: fixing protrusion 70: cover member

71: locking portion 73: locking projection

75: screw fastener

The object is, according to the present invention, an air conditioner comprising: a casing having a front plate portion having a recessed accommodating recess; A control unit accommodated in the accommodation recess; It is achieved by an air conditioner comprising a cover member for blocking the receiving recess from the front.

Here, the air conditioner further includes a receiving holder which accommodates the control unit and is mounted in the receiving recess and has an opening formed on the front side thereof, and the cover member is configured to block the front opening of the receiving holder.

In addition, it is preferable to further include coupling means for assembling the receiving recess and the cover member between the receiving recess and the cover member.

It is most preferable that the coupling means has at least one locking portion protruding from one side edge of the cover member toward the accommodation recess, and a ridge raised from one wall surface of the accommodation recess to accommodate the locking portion and correspond to each other. The locking portion has a locking protrusion protruding from both sides of the locking portion, and the protrusion has a protrusion accommodation groove for receiving and fixing the locking protrusion at a position corresponding to the locking protrusion. Easy assembly of the cover member.

It is effective that the accommodating holder is provided with a cut-out accommodating portion which is accommodated in the position corresponding to the ridge and cuts to form a blow passage.

In addition, at least one screw fastening hole is formed in the cover member for coupling with the receiving recess, and an opening edge corresponding to the screw fastening hole is formed at the opening edge of the receiving recess.

The air conditioner includes an assembly coupling means for assembling the accommodation recess and the accommodation holder between the accommodation recess and the accommodation holder to secure the coupling between the accommodation recess and the accommodation holder.

Preferably, the assembly coupling means has a hook portion protruding from the receiving recess toward the receiving holder side, and a hook receiving hole penetrating from the plate surface of the receiving holder to assemble with the hook portion. The assembly coupling means may further have a fixing protrusion protruding from the side of the receiving holder toward the receiving depression side, and a fixing protrusion groove for receiving and coupling the fixing protrusion at a position corresponding to the hook.

The cover member is a decorative cover detachably mounted to the front plate portion by blocking at least a portion of the front plate portion including the front cover of the housing holder.

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

Figure 1 is an exploded perspective view of the indoor unit of the air conditioner according to the present invention, Figure 2 is an enlarged exploded perspective view of the front plate portion region of Figure 1, Figure 3 is an enlarged assembly cross-sectional view taken along line III-III of FIG. As shown in these figures, the indoor unit 1 of the present air conditioner includes an outer casing 3 and an outer casing 3 forming an accommodating space for accommodating the heat exchanger 5 and the blowing fan 7. It has a discharge unit 10 and the suction grill unit 20 coupled to the front of the front panel portion 30 detachably coupled between the discharge unit 10 and the suction grill unit 20.

The discharge unit 10 is coupled to the upper region of the outer casing 3, and the discharge unit 10 is formed with a discharge port 11 for discharging air exchanged from the heat exchanger 5. A discharge port shutter 13 for automatically opening and closing the discharge port 11 is provided in the discharge port area, and a horizontal blade 15 for controlling the direction of air blown through the blower fan and discharged through the discharge port 11 in the discharge port area. ) And a vertical blade (not shown) is installed. The suction grill unit 20 is coupled to the lower region of the outer casing 3 and has a plurality of suction grills 25 mounted in parallel to form a suction port 21 for sucking air, and the left and right sides of the suction grill 25. It has a grill frame 23 for assembling both ends.

The front plate portion 30 is provided in the center region of the outer casing 3, and the front plate portion 30 is provided with a front depression portion 31 which has a parabolic shape from the front surface and is predetermined recessed. The front recess 31 is provided with a plurality of operation units for operating the device, and is equipped with a fan-shaped operation panel 33 in which a main PCB (not shown) is accommodated. In addition, in one region of the front plate portion 30, a recessed recess 40 is formed deeper than the front recess 31 to accommodate the control unit 50.

Meanwhile, as shown in FIG. 2, a rectangular cylindrical receiving holder 60 having an opening formed on the front surface thereof is coupled to the receiving recess 40, and the receiving recess 40 having the receiving holder 60 coupled thereto. ), A cover member 70 is provided to block the front opening of the accommodation holder 60 from the front of the accommodation recess 40. The control unit 50 is connected to the main PCB housed in the operation panel 33, and is mounted on the accommodating holder 60 with a control PCB substrate 51 and a transformer 53 for controlling the operation of the device. To be accommodated in the accommodation depression 40. At this time, the front plate portion 30 is further provided with a decorative cover 35 detachably mounted to the front plate portion 30 while blocking at least a portion of the front plate portion 30 including the front opening of the receiving holder 60. do.

Between these accommodating recesses 40 and the cover member 70, as shown in FIGS. 2 and 3, the control unit 50 mounted to the accommodating holder 60 and accommodated in the accommodating recess 40 is provided. Coupling means are provided for the prevention of separation.

The coupling means may correspond to a pair of locking portions 71 protruding from one side edge of the cover member 70 toward the receiving recess 40 and the locking portions 71 formed on the cover member 70. It has a pair of ridges 41 having an inverted " 자 " shape which are raised from one wall surface of the accommodation recess 40 so as to receive the locking portions 71 in position. Here, the locking portion 71 has a locking projection 73 protruding from both side edges of the locking portion 71 toward both side surfaces of the raised portion 41 in a belt shape having a predetermined thickness, and the raised portion 41 A projection accommodation groove 43 for accommodating and engaging the locking projections 73 is formed at a position corresponding to the locking projections 73 of the locking portion 71. At this time, the ridge 41 is formed to have a height lower than the depth of the depression of the housing 40 from the bottom of the housing 40, the receiving holder 60 of the housing 60 At the position corresponding to the ridge 41, the cut-out accommodating part 61 which cut | disconnected until it reaches the bottom plate surface from the opening edge part of the accommodating holder 60 is formed.

The cover member 70 is provided with a pair of screw fastening holes 75 for coupling with the receiving recess 40, and the opening edge of the receiving recess 40 corresponds to the screw fastening hole 75. One fastening portion 45 is formed.

In addition, between the receiving recess 40 and the receiving holder 60, as shown in FIGS. 2 and 3, the separation prevention and easy assembly of the receiving holder 60 accommodated in the receiving recess 40 Assembly fastening means is provided for. The assembly fastening means is formed so as to penetrate through the hook portion 47 protruding from the bottom surface of the accommodating recess 40 toward the plate surface of the accommodating holder 60 and the accommodating holder 60. It has a hook receiving hole 67 for receiving and coupling. The receiving holder 60 is provided with a fixing protrusion 69 protruding from at least one side surface of the receiving holder 60 toward the receiving recessed side, and the receiving recess 40 protrudes from the receiving holder 60. The fixing protrusion groove 49 is formed to receive the fixing protrusion 69 at a position corresponding to the fixing protrusion 69.

By such a configuration, the control unit 50 connected to the main PCB is attached to the housing holder 60 and accommodated in the housing recess 40, thereby shortening the distance between the control unit 50 and the electrical component. The length of the power lead wire for power supply can be shortened. In addition, the receiving recess 40 and the receiving holder 60 may be easily coupled by the assembly coupling means, so that the flow of the receiving holder 60 and the condensate flowing through the front plate 30 are introduced into other parts. Can be prevented. In addition, since the cover member 70 is assembled and fastened to the front surface of the housing recess 40 in which the housing holder 60 is accommodated, it is possible to prevent the flow of the control unit 50 accommodated in the housing holder 60. have.

On the other hand, the cut-out accommodating part 61 provided in the accommodating holder 60 and accommodating an inverted " Ｕ " Therefore, it is possible to prevent condensation that may occur inside the accommodating holder 60 by the difference between the internal temperature and the external temperature of the accommodating holder 60 during operation of the device.

Thus, by providing a casing having a front plate portion having a recessed accommodating recess, a control unit accommodated in the accommodating recess, and a cover member for blocking the accommodating recess from the front surface, the control unit can be installed on the front of the casing. The distance between each electronic component of the air conditioner and the control unit can be shortened.

As described above, according to the present invention, the control unit can be installed on the front of the casing, and the distance between each electric component of the air conditioner and the control unit can be shortened, and as a connecting part connecting them. The manufacturing cost required can be reduced. In addition, there is provided an air conditioner that can improve the workability during troubleshooting and abnormality check of the device.

In addition, by providing the ridge and the cut-out portion, it is possible to prevent the condensation that may occur inside the accommodating holder by circulating the air and the outside air inside the accommodating holder to perform a heat dissipation action.

Claims (11)

In air conditioners, A casing having a front plate portion having a recessed receiving portion; A control unit accommodated in the accommodation recess; Air conditioner comprising a cover member for blocking the receiving recess from the front. The method of claim 1, And an accommodation holder configured to receive the control unit and mounted in the accommodation recess and having an opening formed in a front surface thereof, wherein the cover member blocks the front opening of the accommodation holder. The method of claim 2, And a coupling means for assembling the accommodation recess and the cover member to each other between the accommodation recess and the cover member. The method of claim 3, The coupling means, And at least one catching portion protruding from one side edge of the cover member toward the accommodating recess, and a ridge raised from one wall surface of the accommodating recess so as to accommodate the catching portion and correspond to each other. The method of claim 4, wherein The locking portion is provided with a locking projection protruding from both sides of the locking portion, the projection is formed with a projection receiving groove for receiving and fixing the locking projection in a position corresponding to the locking projection. The method of claim 4, wherein The accommodation holder is provided with a cut-out accommodating portion which is formed to receive the bulge in a position corresponding to the bulge and to form a ventilation flow path. The method of claim 1, The cover member is formed with at least one screw fastening hole for coupling with the accommodating recess, the opening portion of the accommodating recess, characterized in that the fastening portion corresponding to the screw fastening hole is formed. The method of claim 2, And an assembly fastening means for assembling the accommodating recess and the accommodating holder between the accommodating recess and the accommodating holder. The method of claim 8, The assembly means, And a hook portion protruding from the accommodating recess toward the accommodating holder side and a hook accommodating hole formed through the plate surface of the accommodating holder to be assembled with the hook portion. The method of claim 8, The assembly fastening means, the air conditioner having a fixing protrusion protruding toward the receiving recessed side from the side of the receiving holder, and a fixing projection groove for receiving and coupling the fixing protrusion at a position corresponding to the fixing protrusion. . The method of claim 2, The cover member is an air conditioner, characterized in that the decorative cover is detachably mounted to the front plate portion by blocking at least a portion of the front plate portion including the front opening of the receiving holder.