KR100389429B1 - A control box mounting structure for air conditioner - Google Patents

Abstract

The present invention relates to a control box mounting structure of an air conditioner. In the present invention, the control box 80 is configured to be detachably attached to the box slot 39 formed on one side of the front part 32 of the main chassis 30 in a one-touch manner. To this end, a fastening unit 90 is installed inside the box slot 39, and a fastening protrusion 88 is provided at the rear end of the control box 80. In addition, the control box 80 has a shape corresponding to the box slot 39, and is configured in a flat hexahedral shape in order to reduce the configuration of the entire indoor unit. The fastening unit 90 is provided with a hook 93 for selectively hanging the fastening protrusion 88. The hook mechanism 93 is supported by the driving spring 95 in the interior of the fastening case 91 and the hook end is moved along the guide groove 97 formed in the fastening case 91 at the rear end of the fastening case 93. A connecting rod 94 having a guide protrusion 94 'regulating the position of the sphere 93 is provided. According to the present invention as described above it is easier to detach the control box (80).

Description

Control box mounting structure for air conditioner

The present invention relates to an air conditioner, and more particularly, to a mounting structure of a control box for controlling the operation of the air conditioner.

Figure 1 shows the main configuration of the indoor unit of the separate type air conditioner according to the prior art. According to this, the chassis 1 constitutes the rear appearance of the indoor unit. The chassis 1 is mounted on a rear surface of a mounting plate (not shown) installed on the wall surface of the indoor space. The control box seating portion 1 ′ is formed at one end of the chassis 1, and the control box 2 is mounted. The control box 2 is fastened to the control box seating portion 1 'by a plurality of fastening screws 2s. And such a control box (2) is equipped with various electrical components for controlling the operation of the air conditioner.

The front grill 3 is installed on the front surface of the chassis 1, and the front grill 3 is provided with a suction part 4 for sucking air in a space for air conditioning into the indoor unit. In addition, a discharge port 5 through which the heat exchanged air inside the indoor unit is discharged to the space for air conditioning is formed in the lower portion of the front grill 3.

On the other hand, in the internal space formed by the chassis 1 and the front grill 3, various components for forming an indoor unit are installed. There is an indoor heat exchanger (7) for heat-exchanging the air sucked in the space for air conditioning, and the rear of the indoor heat exchanger (7) is provided with a blower unit (8) for providing a driving force for sucking the air. .

In addition, the discharge unit 9 is provided to discharge the air sucked by the blower unit 8 and passed through the indoor heat exchanger 7 to discharge the air through the discharge port 5 into the space for air conditioning. The discharge unit 9 includes a configuration for adjusting the direction of the discharged air and the diffuser 10 and the like.

Next, a filter 13 is installed in the suction part 4 of the front grill 3. The filter 13 serves to purify the air sucked from the space for air conditioning. In addition, the suction grill 14 is installed to shield a portion of the front grill 3 except for the discharge port 5. The louver 15 is formed at a position corresponding to the suction part 4 in the suction grill 14 to allow the air in the space for air conditioning to be sucked through the suction part 4 while providing internal components. Do not expose to the outside.

In the prior art having such a configuration, when an air conditioner is operated, a refrigerant having a relatively low temperature flows into the indoor heat exchanger 7 while the refrigeration cycle is operated, and the blower unit 8 is driven to provide air conditioning. The air of the space for the air is transferred to the indoor heat exchanger (7) through the suction unit (14) via the suction grill (14) and the filter (13).

Then, the heat exchanger passes through the indoor heat exchanger 7 and the air volume and the wind direction are controlled by the discharge unit 9 through the blower unit 8 and discharged through the discharge port 5 to the space for air conditioning.

However, the prior art as described above has the following problems.

The control box 2 is fastened from the front to the control box seating portion 1 'of the chassis 1 by a plurality of fastening screws 2s. Therefore, the control box 2 is hidden so that the front grill 3 is not exposed to the outside by being mounted to the chassis 1.

Therefore, in order to maintain the components installed inside the control box 2, the front grill 3 has to be separated from the chassis 1 first. By such a structure, the maintenance workability of the control box 2 is deteriorated.

In addition, since the control box 2 is fastened to the control box seating portion 1 'by a plurality of fastening screws 2s, the number of parts for fastening is increased and workability of fastening and disassembling work is reduced.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to allow the control box to be detached more easily.

Figure 1 is an exploded perspective view showing the main part of the indoor unit configuration of a separate air conditioner according to the prior art.

Figure 2 is a perspective view showing the configuration of the indoor unit provided with a preferred embodiment of the control box mounting structure according to the present invention.

Figure 3 is a cross-sectional view showing the internal configuration of the indoor unit is provided with an embodiment of the present invention.

Figure 4 is an operating state showing the operating state of the indoor unit is provided with an embodiment of the present invention.

Figure 5 is an exploded perspective view showing the main configuration of the embodiment of the present invention.

Figure 6 is a partial cross-sectional view showing the configuration of the fastening unit and the fastening protrusion constituting an embodiment of the present invention.

7 is an operating state diagram for explaining the operating state of the fastening unit and the fastening protrusion constituting an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

30: main chassis 32: front part

32 ': suction grill 35: rear

35 ': Suction grill 38: Front panel

38 ': Intake grill 40: Shield panel

42: display unit 50: heat exchanger

60: fan assembly 70: discharge grill

72: discharge passage 74: vane

76: louver 80: control box

82: case 84: cover

86: connecting terminal 88: fastening protrusion

90: fastening unit 91: fastening case

93: hanger 94: connecting rod

94 ': guide protrusion 95: drive spring

97: home

According to a feature of the present invention for achieving the object as described above, the present invention is a control box having various parts for controlling the air conditioner therein, and a box slot into which the control box is inserted through one side It is configured to include a main chassis which is formed to be opened, and the discharge grill is installed on one side of the main chassis and driven up and down.

The inside of the box slot is provided with a fastening unit for selectively fastening the fastening protrusion provided in the control box.

The control box has a case in which various components are installed therein, a connection terminal for electrical connection between a component installed inside the control box and a component installed inside the air conditioner provided at one side of the outer surface of the case, and It is provided at the rear end and comprises a fastening protrusion selectively fastened to the fastening unit.

The fastening unit includes a fastening case constituting the exterior, a hook hole which is supported by a spring inside the fastening case and the fastening protrusion is walked, and a tip portion thereof is guided along the guide groove formed in the fastening case and installed in the fastening case. The hook is configured to include a connecting rod to selectively hook the fastening protrusion.

According to the control box mounting structure of the air conditioner according to the present invention having such a configuration, the disassembly and assembly of the control box can be made without disassembly and assembly of other parts, thereby improving the control box maintenance workability and improving the function of the air conditioner. The advantage is that it can be easily upgraded.

Hereinafter, a preferred embodiment of a control box mounting structure of an air conditioner according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

2 to 6, the main chassis 30 forms the exterior of the indoor unit. The main chassis 30 has a rectangular hexahedral shape and includes a front part 32 having a space for installing components therein and a space integrally formed with the front part 32 and communicating with the space. The rear part 35 is provided. The front of the space formed inside the main chassis 30 is shielded by the front panel 38.

The front portion 32 is composed of a hexahedron having a flat shape having a relatively narrow front and rear width. The rear part 35 is formed to protrude to the rear of the front part 32 and is formed to have a left and right width shorter than the left and right width of the front part 32. Therefore, when the indoor unit is installed on the wall from the front or the side, the front part 32 is generally visible, and the overall configuration of the indoor unit is visually slimmed.

The main chassis 30 is provided with suction grills 32 ', 35', 38 'for sucking air from a space for air conditioning. That is, suction grills 32 'and 35' are formed on the upper surface of the front portion 32 and the upper surface of the rear portion 35, respectively. In addition, the suction grill 38 ′ is formed on the front panel 38. Reference numeral 31 is a flow guide which is formed inside the main chassis 30 to guide the flow of air, and 39 is a box slot in which the control box 80 to be described below is installed.

On the other hand, the front panel 38 is provided with a shielding panel 40. The shielding panel 40 selectively opens and closes the suction grill 38 ′ formed on the front panel 38. To this end, the shielding panel 40 is configured such that the tip is rotated by a predetermined angle about both sides of the lower end thereof. The shielding panel 40 opens the suction grille 38 'when the air conditioner is operated, and closes the suction grille 38' when the air conditioner is not operated.

One side of the shielding panel 40 is provided with a display unit 42 for displaying the operating state of the air conditioner. The display unit 42 is provided at one side of the front side of the shielding panel 40.

Next, a heat exchanger 50 is installed inside the main chassis 30. The heat exchanger 50 is provided at a position corresponding to the suction grills 32 ', 35', 38 '. This is to allow the air sucked through the suction grills 32 ', 35', 38 'to pass through the heat exchanger 50. In addition, the working fluid of the heat exchange cycle flows inside the heat exchanger 50 so that the air sucked through the suction grills 32 ′, 35 ′, 38 ′ passes through the heat exchange.

The fan assembly 60 is installed at the rear of the heat exchanger 50. The fan assembly 60 provides a driving force to suck air into the interior of the indoor unit and to discharge air having a relatively low temperature through the heat exchanger 50 to the outside.

On the other hand, the air heat exchanged in the heat exchanger 50 is discharged through the discharge grill (70). The discharge grill 70 is configured to enter and exit the inside and outside of the indoor unit through the lower surface of the main chassis 30. The discharge grill 70 protrudes out of the main chassis 30 during the operation of the air conditioner, and is located inside the main chassis 30 when the air conditioner is not operated.

Inside the discharge grill 70 is provided with a discharge passage 72 through which the air passing through the fan assembly 60 flows. The discharge passage 72 serves as a passage communicating an internal space of the main chassis 30 in which the fan assembly 60 is provided with a space for air conditioning. The discharge passage 72 is opened toward the front of the discharge grill 70 (in front of the room). The discharge passage 72 is provided with vanes 74 and louvers 76 for controlling the direction of the discharged air.

Next, the control box 80 is seated on the box slot 39 formed on the front side 32 side of the main chassis 30. As shown in FIG. 5, the control box 80 has a flat rectangular case 82. Various parts for controlling the air conditioner are installed in the case 82. One side of the case 82 is provided with a cover 84 to communicate the inside of the case 82 with the outside.

And one side of the case 82 is provided with a connection terminal (86). The connection terminal 86 is for electrical connection between various components installed inside the box slot 39 and other components inside the air conditioner. The connection terminal 86 is electrically connected to a connection terminal (not shown) inside the box slot 39 when the control box 80 is inserted into the box slot 39.

A fastening protrusion 88 is formed at the rear of the case 82, and the fastening protrusion 88 is selectively fastened to the fastening unit 90 to be described below, so that the control box 80 is the box slot 39. Is selectively tightened in

The fastening unit 90 is installed at the rear end of the box slot 39 and has a configuration for selectively fastening the fastening protrusion 88 therein. That is, the fastening case 91 forms the exterior of the fastening unit 90, and a hook 93 is installed at the inlet of the fastening case 91. The hook 93 is provided with a pair up and down. The hook 93 is adjacent to each other when positioned in the inlet of the fastening case 91, the distance from each other when protruding to the outside of the fastening case 91. The rear end of the hook mechanism 93 is supported by the drive spring 95.

The connecting rod 94 is installed at the rear end of the hook mechanism 93. The connecting rod 94 is pivotally connected to the other end of the hooking rod 93 with respect to one axis, and a guide protrusion 94 ′ is formed at the tip of the connecting rod 94. The guide protrusion 94 'is moved while being guided along the guide groove 97 formed in the fastening case 91.

The guide groove 97 is configured to have a substantially Z shape, the guide protrusion 94 'is located on the release part (A) on the basis of the operation that the hooking mechanism 93 walks the fastening protrusion 88, The transition part C and the locking part B are provided.

Hereinafter will be described the operation of the control box mounting structure of the air conditioner according to the present invention having the configuration as described above.

The indoor unit of the present invention is in the state of FIGS. 3 and 4 when the air conditioner is operated. That is, the shielding panel 40 is driven to open the suction grill 38 ′ provided in the front panel 38. At this time, the shielding panel 40 is moved to the front of the predetermined angle of the indoor unit by the front end of the lower end by a separate drive source.

The discharge grill 70 protrudes downward from the main chassis 30 and descends. As the discharge grille 70 is lowered as described above, the discharge passage 72 communicates the interior of the indoor unit with a space for air conditioning.

In this state, a working fluid is supplied from the outdoor unit to the heat exchanger 50, and the fan assembly 60 is driven to suck air in the space for air conditioning into the indoor unit.

That is, the air in the space for air conditioning is sucked through the suction grills 32 ', 35', 38 'by driving the fan assembly 60. The air is heat-exchanged while passing through the heat exchanger 50 in the interior of the indoor unit, and becomes air of a relatively low temperature in the cooling mode.

The air passing through the heat exchanger 50 is transferred to the discharge grill 70 by the fan assembly 60. The air delivered to the discharge grill 70 flows through the discharge passage 72, and the top and bottom and left and right directions thereof are adjusted by the vanes 74 and the louvers 76, and are delivered to the space for air conditioning.

The control box 80 is inserted into and fastened to the box slot 39 of the main chassis 30. That is, when the control box 80 is inserted into the box slot 39, the fastening protrusion 88 is inserted into the fastening unit 90 to be hooked to the hook 93.

That is, as shown in FIG. 7, the fastening protrusion 88 is inserted between the hook holes 93 protruding to the outside of the fastening case 91 so that the hook holes 93 are driven by the driving spring 95. Overcome the elastic force of the push. In this case, the guide protrusion of the connecting rod 94 faces the transition part C at the position of the release part A.

When the guide protrusion 94 ′ is removed from the force pushing the control box 80 in the state where the guide protrusion 94 ′ is located at the transition portion C, the guide protrusion 94 ′ is locked at the transition portion C. Moving to B) so that the hook mechanism (93) is accommodated in the fastening case (91) in a state in which the driving spring (95) is elastically deformed.

When the hooking mechanism 93 is accommodated in the fastening case 91, the distance between the hooking holes 93 is closer, and the fastening protrusion 88 is interposed therebetween. In this case, the control box 80 is installed inside the box slot 39. Here, the fastening protrusions 88 and the fastening unit 90 may be installed in plural numbers according to the size of the control box 80.

Next, in order to take out the control box 80 from the box slot 39, the control box 80 is pushed into the box slot 39. In this case, the fastening protrusion 88 pushes the hooking mechanism 93, and the guide protrusion 94 ′ of the connecting rod 94 comes to the position of the transition part C. In this state, when the force applied to the control box 80 is removed, the hook hole 93 is pushed by the restoring force of the driving spring 95 and the guide protrusion 94 'is moved to the release part A. do. In this case, the hook 93 is protruded to the outside of the fastening case 91 so that the fastening protrusion 88 is no longer hooked as shown in FIG. 7.

In addition, as the fastening protrusion 88 is pushed from the hook hole 93, the control box 80 protrudes to the outside of the box slot 39 by a predetermined length. The worker pulls out the protruding control box 80 to perform maintenance work.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

As described above, the control box mounting structure of the air conditioner according to the present invention does not need to disassemble or assemble other parts for disassembling and assembling the control box, thereby making maintenance of the electric component installed in the control box simpler. You lose. In particular, in the present invention, the detachable operation of the control box becomes one-touch, so that the detachable operation becomes easier.

In addition, when the performance of the air conditioner is upgraded, the control box may be replaced with an upgraded performance, thereby making it easier to increase the performance of the air conditioner.

Claims (4)

A control box having various parts for controlling the air conditioner therein; A main chassis in which the box slot into which the control box is inserted is opened through one side; The control box mounting structure of the air conditioner, characterized in that it comprises a discharge grill installed on one side of the main chassis and driven up and down. The control box mounting structure of claim 1, wherein a fastening unit for selectively fastening the fastening protrusions provided in the control box is provided inside the box slot. According to claim 1, wherein the control box is a case in which various components are installed therein, A connection terminal provided at one side of the outer surface of the case for electrical connection between a component installed inside the air conditioner and a component installed inside the control box, The control box mounting structure of the air conditioner is provided at the rear end of the case and comprises a fastening projection selectively fastened to the fastening unit. The method of claim 1 or 3, wherein the fastening unit Fastening case constituting the appearance, Hanging mechanism which is supported by the spring inside the fastening case and the fastening projection is walked, The control box mounting structure of the air conditioner, characterized in that it comprises a connecting rod which is installed in the hook and guides the front end formed along the guide groove formed in the fastening case so that the hook is to hang the fastening protrusion selectively. .