KR20050089191A - An electronic component structure of an air conditioner - Google Patents

Abstract

The present invention relates to an indoor unit of an air conditioner, and more particularly, to an indoor unit of a back suction front discharge type system in which indoor air is sucked to the rear to discharge cooled air to the front part, various electric devices and various parts for operating the indoor unit. The present invention relates to an electronic part structure in which electrical parts for driving the housing are accommodated.

Full length structure of the indoor unit of the air conditioner according to the present invention includes a front frame in which a groove of a predetermined size is formed in the upper side; An electronic device including an upper cover inserted into a groove formed in the front frame and a lower case coupled to the upper case and having a substrate seated therein; And an orifice in which the lower case is seated on an upper portion thereof.

According to the electric part structure of the indoor unit of the air conditioner according to the present invention, there is an effect of increasing the space utilization inside the indoor unit and reducing the risk of fire caused by overheating of the electric device or the drive unit control device mounted in the electric part.

Description

An electronic component structure of an air conditioner

The present invention relates to an indoor unit of an air conditioner, and more particularly, to an indoor unit of a back suction front discharge type system in which indoor air is sucked to the rear to discharge cooled air to the front part, various electric devices and various parts for operating the indoor unit. The present invention relates to an electronic part structure in which electrical parts for driving the housing are accommodated.

1 is a perspective view of a conventional air conditioner indoor unit sucked to the front surface and discharged to the front surface, FIG. 2 is an exploded perspective view of the indoor unit, and FIG. 3 is a perspective view showing a flow path of air passing through the indoor unit.

1, 2, and 3, the conventional air conditioner indoor unit 10 includes a front panel 20 including a display unit 21 on which a signal from a remote controller is received to indicate whether the air conditioner is operated, and the front panel. In contact with the indoor air sucked from the upper side of the panel 20, the filter 30 for filtering foreign matter contained in the intake air, and the filter 30 and the front panel 20 is seated to form a front portion A heat exchanger 60 which lowers the temperature of the intake air by contacting the front frame 35, the purified air passing through the front frame 35, and formed at a rear side of the heat exchanger 60; Blowing fan 50 for sucking the low-temperature indoor air passed through the (60), orifice 70 for guiding the flow of air in the low-temperature state sucked by the blowing fan 50, and the orifice 70 Bay equipped with discharge part through which air guided by (40) is included.

In detail, a drain pan 80, which condenses on the outer wall of the heat exchanger 60 and collects moisture in the air, is included, and an upper portion 75 of the orifice 70 controls the driving of electrical components. It is seated.

In more detail, the upper inner surface of the base 40, the low-temperature air sucked into the blowing fan 50 through the orifice 70 is not discharged to the upper side, the air flows so as to discharge to the left and right sides of the indoor unit A flow guide 90 for guiding the seat is seated.

Hereinafter, the function and operation of the indoor unit 10 of the air conditioner will be described.

First, when an operation signal is received by a remote controller or a manual unit on the display unit 21 mounted on the front panel 20 of the indoor unit 10, the upper side of the front panel 20 is opened. In other words, the opened portion becomes the suction port 25.

In addition, when the motor (not shown) mounted inside the indoor unit 10 is operated, the blowing fan 50 is rotated, and the indoor air is sucked through the suction port 25.

The sucked indoor air is purified through the air filter 30 and then passed through the heat exchanger 60. Since the pressure and temperature of the refrigerant flowing inside the heat exchanger 60 are very low, the sucked indoor air Is deprived of heat while in contact with the heat exchanger (60). Thus, the temperature of the indoor air passing through the heat exchanger 60 drops.

The indoor air passing through the heat exchanger 60 is introduced into the blowing fan 50 through the orifice 70, and the air introduced into the blowing fan 50 is discharged back into the room through the discharge ports 31 and 33. do.

However, in the conventional air conditioner indoor unit as described above, the indoor air is sucked into the front and discharged to the front. Therefore, the space for mounting the electric parts inside the indoor unit is narrowed, thereby limiting the size of the orifice and other components. In other words, there is a problem that the risk of fire increases when the size of the electric parts is reduced and the width between the devices for driving the electric devices and other electric parts mounted on the electric parts is narrowed, resulting in overheating.

The present invention has been proposed to solve the above problems, by adopting a method in which the indoor air is sucked to the back and discharged to the front, the air conditioner indoor unit that can increase the space utilization of the indoor unit by increasing the space occupied by the electric parts It aims to provide.

In addition, it is an object of the present invention to provide an air conditioner indoor unit that reduces the risk of fire by increasing the size of the electric field by increasing the space utilization inside the indoor unit.

In addition, an object of the present invention is to provide a battlefield structure that can be easily removable inside the indoor unit.

In order to achieve the object as described above, the air conditioner structure of the indoor unit of the air conditioner according to the present invention includes a front frame in which a groove having a predetermined size is formed at an upper side thereof; An electronic device including an upper cover inserted into a groove formed in the front frame and a lower case coupled to the upper case and having a substrate seated therein; And an orifice in which the lower case is seated on an upper portion thereof.

By the configuration as described above, the electrical and electronic parts can be easily detached, there is an effect that the risk of fire that can occur from overheating is reduced.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to the embodiments set forth below, and other embodiments included within the scope of other inventive inventions or the scope of the present invention by adding, changing, or deleting other elements are not limited to the embodiments. You can easily suggest.

4 is a front perspective view of the air conditioner indoor unit according to the spirit of the present invention, and FIG. 5 is a rear perspective view of the indoor unit.

4 and 5, the exterior of the air conditioner indoor unit 100 according to the present invention, the front panel 110, the front panel 110 is seated to form a front cover, the discharge opening ( 121 is provided with a front frame 120, a discharge opening and closing device 500 mounted between the front frame 120 and the front panel 110, and the discharge opening and closing device 500 is connected to the discharge opening ( A discharge cover 400 for opening and closing 121, a base 160 coupled to the front frame 120 to form a rear cover, and a pipe cover for receiving various pipes formed under the indoor unit and entering the indoor unit. 190 is included.

In detail, a discharge port through which the sucked indoor air is discharged is formed at one side of the front frame 120, and a suction port is formed at one side of the base 160 to suck the indoor air.

In detail, the upper suction port 161 formed on the upper inclined surface of the base 160 and the central suction port 162 formed on the center surface of the base 160 are included. In addition, it can be found that the inlet can be formed on both inclined surfaces of the base 160 from the idea of the present invention. In addition, the suction ports 161 and 162 may have a grille in the form of a net so that impurities contained in the air sucked into the indoor unit 100 may be filtered first.

In addition, a filter (not shown) is disposed on the bottom surface of the base 160 to again filter out fine foreign substances included in the indoor air that are primarily filtered by the suction grille formed in the upper suction port 161 and the central suction port 162. Filter insertion hole 163 is inserted may be formed.

The movement path of the air entering the indoor unit 100 is sucked through at least one suction port 161 and 162 and the filter insertion hole 163 formed at one side of the base 160, and then the front frame 120. Is discharged through at least one discharge port formed on one side of the.

6 is an exploded perspective view of the indoor unit of the air conditioner according to the spirit of the present invention.

Referring to FIG. 6, the indoor unit 100 of the air conditioner according to the present invention includes a front panel 110 forming a front appearance of the indoor unit 100, and a front frame on which the front panel is seated to form a front part ( 120, a blower fan 130 formed at the rear side of the front frame 120 to suck indoor air, and formed at a rear side of the blower fan 130 and sucked by the rotation of the blower fan. An orifice 140 for guiding a direction of the heat exchanger, and a heat exchanger 150 and the heat exchanger 150 formed at a rear side of the orifice 140 and contacting the sucked air to lower the temperature of the suction air. It is formed on the back side, and includes a base 160 coupled to the front frame 120.

In detail, a discharge opening and closing device 500 for opening and closing the discharge opening 121 is mounted between the front panel 110 and the front frame 120.

In addition, as described above, the indoor unit is assembled in the order of the front panel 110, the front frame 120, the blowing fan 130, the orifice 140, the heat exchanger 150, and the base 160 in order. It is characterized by.

In detail, the orifice 140 has an air guide hole 145 for guiding the air sucked into the blower fan 130, and the indoor air introduced through the air guide hole 145 is guided to both sides. The upper air guide guide 141 is formed on the side, the lower air guide guide 142 is formed on the lower side in order to guide the indoor air introduced through the air guide hole 145 to the lower side, and the lower air The lower discharge port door 143 is configured to distribute and discharge the air guided by the guide guide 142 to the room.

On the other hand, the electronic device is installed in the upper space between the front frame 120 and the orifice 140 to rotate the blower fan 130 and the electrical component 200 for controlling the driving of the electrical components is further formed, A drain pan 180 is formed below the heat exchanger 150 to collect condensed water formed on the surface of the heat exchanger 150. A detailed description of the electronic device 200 will be described later with reference to the accompanying drawings.

In addition, a pipe cover 190 is further formed below the drain pan 180 to accommodate various pipes connected to the drain pan 180 and the indoor unit 100, according to the spirit of one complete invention. The indoor unit of the air conditioner is formed.

Hereinafter, the function and operation of each part will be described.

First, the front panel 110 is attached to the front of the indoor unit 100 according to the present invention to form a beautiful appearance of the indoor unit. In addition, a window 111 may be formed at one side of the front panel 110 so that a display unit (not shown) showing whether the indoor unit 100 is operated and / or the operating state can be seen. In addition, in order to make the aesthetics of the indoor unit look neat and beautiful, the front panel 110 may be attached with a finishing material or a pattern may be added.

In addition, the front frame 120 is attached to the front panel 110, the edge portion may be formed to be inclined at a predetermined angle. In addition, a side discharge port 121 and a bottom discharge port 123 may be formed on at least one side of each of the edges through which the air cooled by the indoor unit 100 and cooled through the heat exchanger 150 may be discharged. In addition, the front panel 110 may be fixedly attached to the front frame 120, or may be moved to the left and / or right to allow the discharge port is formed in the front portion of the indoor unit (100).

In addition, the blowing fan 130 is rotated by the operation of the motor 500 attached to the rear surface of the front frame 120, so that the indoor air is sucked into the indoor unit (100). And, the blowing fan 130 may be installed at least one or more according to the size or use of the indoor unit (100).

In addition, the orifice 140 serves to guide the flow of air sucked into the blower fan 130, and the air sucked through the guide hole 145 is the air guide guides 141 and 142. The direction of the flow of air is determined by the and is discharged to the discharge port (121, 123).

In detail, the air guide guide 141 may be formed in various ways according to the direction and number of discharge ports. Then, the wind direction control device 144 is attached to both sides of the orifice 140 to adjust the direction of the cooling air discharged while rotating at a predetermined angle, and the blower fan 130 when a user or infant's hand is introduced. Safety net 146 is further included to prevent injury by).

In addition, the heat exchanger 150 is composed of a heat exchange pipe 151 bent a plurality of times, the refrigerant in the low temperature, low pressure state passing through the expansion valve (not shown) flows in the heat exchange pipe 151.

Therefore, the air sucked into the indoor unit 100 is deprived of heat while passing through the heat exchanger 150, thereby bringing it to a low temperature state. In this process, water vapor contained in the intake air may be cooled to condense on the surface of the heat exchanger 150. In addition, the larger the area of the heat exchanger 150 is, the more excellent the cooling effect is, so that the shape may be inclined at a flat rectangular shape or a predetermined angle. In addition, a drain pan 180 is formed below the heat exchanger 150 to collect condensed water formed on the surface of the heat exchanger 150 so that the condensed water does not leak from the indoor unit 100.

In addition, the base 160 is formed with an upper suction port 161 formed in the upper portion so that the indoor air can be sucked on at least one side, and a central suction port 162 formed in the center of the base 160, The shape and number of suction ports can be freely selected according to the volume and shape of the indoor unit. In addition, the suction ports 161 and 162 have grills formed to cross each other at predetermined intervals, so that impurities contained in the indoor air entering the indoor unit 100 are primarily filtered.

In addition, a filter insertion opening 163 may be formed at one side of the base 160 to insert a filter (not shown) to filter out impurities such as dust included in intake air. The filter may be inserted between the base 160 and the heat exchanger 150 to prevent impurities from adhering to the surface of the heat exchanger 150. In addition, the filter insertion hole 163 may be an intake port of indoor air.

In addition, the edge of the base 160 is formed to be inclined at a predetermined angle, so that the indoor unit 100 can be freely installed in the corner portion of the wall surface, the suction port can be formed in the side surface of the present invention It is obvious from the idea of

In addition, at least one hook or locking groove (not shown) is formed at an edge portion of the base 160 to allow the indoor unit 100 to be attached thereto.

7 is a perspective view illustrating an upper cover of an electric apparatus according to the inventive concept.

Referring to FIG. 7, the electrical apparatus 200 according to the present invention includes an upper cover 210 and a lower case 220 positioned below the upper cover 210 and coupled to each other. PCB board and capacitor are installed.

In detail, the upper cover 210 is protruded to a predetermined size on one side edge and at least one upper cover fixing end 216 inserted into the front frame 120, and formed on the side end portion of the front frame ( 120 includes a front frame fastening groove 213 into which a fastening member for fastening is inserted.

In addition, the bottom surface of the upper cover 210 is formed with a separation wall 215 which serves to prevent the transition to other components when a fire occurs in the first substrate mounted in the lower case 220. In addition, at least one coupling protrusion insertion end 212 is formed at a lower end of the separation wall 215 to engage with a coupling protrusion (to be described later) formed on the inner circumferential surface of the lower case 220. In addition, a hook engaging end 211 into which a hook hook (to be described later) formed at a side upper end of the lower case 220 is inserted at a lower side of the side of the separation wall 215.

8 is a rear perspective view illustrating a lower case of an electric apparatus according to the spirit of the present invention, and FIG. 9 is a perspective view illustrating an inner structure of the lower case.

8 and 9, the outer case surface of the lower case 220 according to the present invention is extended to a predetermined length at one end of the lower side, and a seating rib 224 coupled to the orifice 140 and the other, A side extension end 225 extending to a predetermined length at a lower side of the side and a fastening member insertion groove 223 through which the fastening member penetrating the side extension end 225 to be coupled to the orifice 140 are included. .

In addition, the lower case 220 is divided into two parts as shown in the figure, the first substrate 240 formed on one side, and the second substrate 250 formed on the opposite side of the first substrate 240 ) Is seated.

In this case, the lower case 220 is divided into two parts, as shown in the figure, by reducing the size of the PCB substrate mounted in the lower case 200, thereby preventing cracks from occurring and producing a single product. It is because there is a characteristic which becomes easy. This is because an electric circuit associated with a high-current electric component or a component that supplies a high voltage, such as a high voltage generator, has a feature that can reduce the risk of fire by separating it into a separate substrate from other portions.

In other words, the first substrate 240 is an ac (alternate current) portion through which a high voltage or high current flows, and the second substrate is a dc (direct current) portion that does not require much current flow.

On the other hand, a mounting portion 230 for mounting a capacitor is formed on one side of the lower case 220. In addition, a hook hook 222 inserted into the hook hook hook end 211 provided in the upper cover 210 is formed at an upper end of the side wall of the lower case 220. In addition, at least one coupling protrusion 221 inserted into the coupling protrusion insertion end 212 formed at the end of the separation wall of the upper cover 210 is formed on the inner surface of the wall surface of the lower case 220.

10 is a partial perspective view showing an orifice in which the electric parts are seated.

Referring to FIG. 10, the electrical unit 200 is seated on an upper portion of the air guide guide 141 of the orifice 140.

In detail, the orifice 140 has a seating rib inserting part 260 into which a seating rib 224 formed at one side of the bottom surface of the electric component part 200 is inserted into one side. Then, the fastening boss 270 is formed in contact with the fastening member insertion groove 223 formed on the other side of the bottom surface of the electric component part 200 to insert the fastening member.

In more detail, the seating rib insertion part 260 protrudes from the upper surface of the orifice 140 to a predetermined height, and a groove is formed at a predetermined depth on the side surface. In addition, a seating rib support end 263 for supporting the seating rib 224 positioned at a predetermined height from the bottom of the lower case 220, and a seating rib separator for separating the seating rib 224 into two parts. 262 is formed. In addition, a seating rib insertion groove 261 is formed between the upper surface of the seating rib insertion part 260 and the seating rib receiving end 263 by a distance corresponding to the thickness of the seating rib 224. Therefore, when the seating rib 224 is inserted into the seating rib insertion groove 261, the seating rib 224 is supported by the seating rib support end 263. In addition, the mounting rib separator 262 is fitted into a groove formed at a substantially center portion of the mounting rib 224.

In addition, the fastening boss 270 provided on the opposite side of the seating rib inserting portion 260 is in contact with the fastening boss insertion groove 223 formed on the lower side of the lower case 220, by the fastening member It is coupled to the lower case 220. In addition, when the side extension end 225 is seated on the upper and / or lower portion of the fastening boss 270, the fastening extension seating ribs protruding to a predetermined height so that the lower case 220 is horizontal. 271 is formed. In other words, the fastening extension seating rib 271 and the fastening boss 270 are formed to protrude to the same height.

FIG. 11 is a partial perspective view illustrating a front frame in which the upper cover of the electric apparatus according to the spirit of the present invention is seated.

Referring to FIG. 11, the upper cover 210 of the electrical apparatus according to the present invention is seated in the upper cover seating groove 125 formed at the upper front side of the front frame 120.

In detail, an upper cover fixing end insertion groove 126 for inserting the upper cover fixing end is formed in the edge portion of the upper cover seating groove 125. In addition, an upper cover fastening boss 123 is formed at one side edge of the upper cover seating groove 125 to insert a fastening member penetrating through the front frame fastening groove 213 formed in the upper cover 210. do. In detail, the upper cover fastening boss 123 is formed to extend a predetermined length inward from the edge.

Therefore, in order to seat the upper cover 210 on the front frame 120, a user first inserts the upper cover fixing end 216 formed at the side edge of the upper cover 210 into the upper cover fixing end insertion groove ( 126) at an angle. The front cover fastening groove 213 is seated on the upper cover fastening boss 123 by lowering the upper cover 210. In addition, the upper cover 210 is firmly fixed to the front frame 120 by inserting the fastening boss into the front frame fastening groove 213.

By increasing the utilization of the space inside the indoor unit by the electrical structure of the indoor unit of the air conditioner indoor unit constituting the configuration as described above, the risk of fire caused by overheating of the electric device and the drive unit control unit mounted in the electronic unit is reduced It works.

1 is a perspective view of a conventional air conditioner indoor unit sucked to the front and discharged to the front.

2 is an exploded perspective view of the indoor unit.

3 is a perspective view showing a flow path of air passing through the indoor unit;

4 is a front perspective view of the indoor unit of the air conditioner according to the spirit of the present invention.

5 is a rear perspective view of the indoor unit.

6 is an exploded perspective view of the indoor unit of the air conditioner according to the spirit of the present invention.

Figure 7 is a perspective view showing the upper cover of the electric part according to the spirit of the present invention.

Figure 8 is a rear perspective view showing the lower case of the electric part according to the spirit of the present invention.

Figure 9 is a perspective view showing the inner case of the lower case.

Figure 10 is a partial perspective view showing an orifice in which the full length is seated.

Figure 11 is a partial perspective view showing a front frame in which the upper cover of the electric part according to the spirit of the present invention is seated.

<Description of the symbols for the main parts of the drawings>

110: front panel 120: front frame 130: blowing fan

140: orifice 150: heat exchanger 160: base

180: drain pan 190: piping cover 200: total length

210: upper cover 220: lower case 240: first substrate

250: second substrate 260: seating rib insertion portion 270: fastening boss

Claims (9)

A front frame in which a groove having a predetermined size is formed in an upper portion; An upper cover inserted into a groove formed in the front frame; An electronic part coupled to the upper case and including a lower case on which a substrate is mounted; And An orifice on which the lower case is seated on the upper side; The method of claim 1, At least one upper cover fixing end protruding to a predetermined size in the rim, An upper cover including a front frame fastening groove formed at one edge; And At least one upper cover fixing end insertion groove formed in the rim of the groove in order to insert the upper cover fixing end, In order to contact the front frame fastening groove so that the fastening member is inserted, the front frame is provided with an upper cover fastening boss is formed extending in a predetermined length inward from the edge of the groove; rescue. The method of claim 1, The upper cover may include a partition wall extending from the bottom to a predetermined length so that the lower case is divided into two parts. Is formed on the lower end of the separation wall is the electrical structure of the air conditioner indoor unit characterized in that it comprises a coupling projection insertion end for coupling with the lower case. The method of claim 1, The upper cover may include a partition wall extending from the bottom to a predetermined length so that the lower case is divided into two parts. The electric wire structure of the indoor unit of the air conditioner, characterized in that the hook is formed on the lower end of one side of the dividing wall is coupled to the lower case hook engaging end. The method of claim 1, The lower case is partitioned so that two substrates are seated therein, and the inner wall of the air conditioner indoor unit, characterized in that at least one engaging projection for coupling with the upper cover is included. The method of claim 1, The lower case has at least one hook hook for engaging with the upper cover on the inner side wall of the air conditioner structure of the indoor unit characterized in that it comprises. The method of claim 1, A lower case including a seating rib extending to a predetermined length at a lower end portion of an outer circumferential surface thereof to be seated on the orifice; And An orifice having a seating rib inserting portion for inserting the seating ribs; Full length structure of the indoor unit of the air conditioner comprising a. The method of claim 7, wherein The seating rib insertion portion extends from the upper surface of the orifice to a predetermined height and length, Seating rib insertion groove corresponding to the thickness of the seating rib, A seating rib support end for supporting the seating rib when the seating rib is inserted; The electric part structure of the indoor unit of the air conditioner, wherein the seating rib is separated into two parts, and a seating rib separator for preventing shaking after the seating rib is inserted. The method of claim 1, A side extension end extending to a predetermined length at a lower end of an outer circumferential surface thereof so as to be coupled to the orifice; A lower case formed at an approximately central portion of the side extension end and including a fastening member insertion groove formed to allow the fastening member to pass therethrough; And A fastening boss formed to be in contact with the fastening member insertion groove to be inserted into the fastening member; An orifice in which the lateral extension end is seated and at least one fastening extension seating rib is formed to protrude to a predetermined height so that the lower case is horizontal; Full length structure of the air conditioner indoor unit, characterized in that it is included.