KR100656166B1 - Ceiling embedded type air conditioner - Google Patents

Abstract

A ceiling-embedded type air conditioner is provided to improve an installation structure of a sensor holder to readily assemble or disassemble the sensor holder. A ceiling-embedded type air conditioner includes a blower, a temperature sensor(80), a sensor holder(90), and a fixing hole(100). The blower forcedly sucks the air into an air suction port. The temperature sensor detects a temperature of the air sucked into the air suction port. The sensor holder fixed the temperature sensor. The fixing hole is formed at the sensor holder to fix the sensor holder to a main body of an indoor unit. The sensor holder includes first and second hook parts(93a,93b) for inserting a sensor accommodating part into the fixing hole. The fixing hole has an insert hole(110) for inserting the first and second hook parts, and a slit hole(120) formed along a side direction of the insert hole.

Description

Ceiling Embedded Air Conditioner {Ceiling Embedded Type Air Conditioner}

1 is an exploded perspective view showing a ceiling-mounted air conditioner according to the present invention.

2 is a cross-sectional view of the ceiling-mounted air conditioner shown in FIG.

Figure 3 is an exploded perspective view showing a fixing structure of the sensor holder applied to the present invention.

Figure 4 is a perspective view showing the operation of assembling and disassembling the sensor holder applied to the present invention in the fixing hole formed in the support panel.

                        * Description of symbols on the main parts of the drawings *

                  10: side panel 20: front panel

                  30: heat insulating material 40: blower

                  50: heat exchanger 60: drain panel

                  70: support panel 71: control base

                  72: Bellemouth 80: temperature sensor

                  90: sensor holder 91: sensor housing

                  92a: first support 92b: second support

                  93a: first hook portion 93b: second hook portion

                  100: fixing hole 110: insertion hole

                   120: slit ball

     The present invention relates to a ceiling-embedded air conditioner, and more particularly, to a sensor holder fixing structure in which a temperature sensor for sensing a temperature of indoor air sucked by a blowing fan is fixed.

     In general, an air conditioner uses an endothermic action and an exothermic action formed by vaporization or liquefaction of a refrigerant circulating in a closed circuit in a refrigeration cycle in which a compressor, a condenser, a refrigerant expansion valve, and an evaporator are connected to each other by a refrigerant pipe to form a closed circuit. It is a device for cooling or heating the surroundings.

     Such an air conditioner is divided into an outdoor type having an compressor and a condenser, and an outdoor type installed outdoors, and a separate type having an evaporator and an indoor unit installed indoors, and an integrated type in which the above elements are installed in one housing. do. In addition, the separate type air conditioner is a stand type installed on the floor of the room to cool or heat a large indoor space, a wall-mounted type attached to the wall of the room to cool or heat a small indoor space, In addition, the indoor unit will be described as being limited to the ceiling-mounted air conditioner installed by being embedded into the ceiling.

     In general, the ceiling-mounted air conditioner includes a main body having an open lower portion and embedded in the ceiling, a blower fan positioned at the center of the main body to suck indoor air into the main body, and surrounding the blower fan around the blower fan. And a heat exchanger disposed to exchange heat with air forcedly sucked by the blower fan.

     In addition, the lower part of the heat exchanger inside the main body is provided with a drain panel for receiving condensate generated from the heat exchanger and is coupled to an open lower surface of the main body, and an inlet for intake of indoor air in the center and a discharge port for discharging cooling air into the room around the inlet. Formed ceiling panels are installed.

The center panel is opened between the drain panel and the ceiling panel to guide the air flowing into the inlet to the blower fan, which acts as a bell-mouse, and detects electric signals and remote controllers that control the motor to drive the blower fan. In addition, a supporting panel on which an electric component or the like which receives an operation instruction signal transmitted from the detection means and changes them into a control signal is installed.

     In the ceiling-mounted air conditioner having such a configuration, when the blower fan is driven by the operation of the motor, the air sucked into the center of the blower fan through the inlet of the ceiling panel is discharged in the radial direction of the blower fan to provide heat exchange around the blower fan. After passing through the air becomes cold air is supplied back to the interior space through the discharge port.

     In such an air conditioner, the current room temperature is measured as one of the control conditions in order to perform air conditioning at a preset temperature. This is made possible by detecting the temperature of the indoor air that is air conditioned by the temperature sensor when the air is guided through the inlet to the blower fan and sending this detection signal to the controller between the electrical components.

     The installation structure of the sensor holder for fixing the temperature sensor of the conventional ceiling-mounted air conditioner has a wedge-shaped locking portion formed at one end of the sensor holder as disclosed in Japanese Patent Laid-Open No. 2001-208370. Disclosed is a structure in which a locking portion elastically inserted into a locking hole formed in the locking hole and having a diameter or width larger than the diameter of the locking hole is locked to the outer peripheral side of the locking hole and fixed.

     However, such a ceiling-embedded air conditioner according to the prior art should be removed by pulling the sensor holder to the opposite side of the ceiling when replacing the sensor holder due to a temperature sensor failure, etc. In this case, the diameter or width of the sensor holder catching part is caught. Since the diameter of the hole is larger than that of the sensor holder has a problem that is not easy to remove.

The present invention is to solve such a problem, an object of the present invention is to provide a ceiling-mounted air conditioner that can be easily assembled and disassembled by improving the installation structure of the sensor holder.

     In order to achieve the above object, the ceiling-mounted air conditioner according to the present invention detects the temperature of the air sucked into the air inlet, a blower for forcibly inhaling air to the air inlet, an indoor main body provided with an air inlet and an air outlet. In the ceiling-mounted air conditioner comprising a temperature sensor, a sensor holder for fixing the temperature sensor, and a fixing hole so that the sensor holder is detachably installed in the indoor main body, the sensor holder is And a first and second hook portion which is accommodated in the sensor receiving portion is divided into two parts and inserted into the fixing hole, the fixing hole is inserted into the fixing hole and the first and second hook portion and the side direction of the insertion hole Consists of a rectangular slit hole drilled into the, and any one of the first and second hook portion inserted into the insertion hole The sensor holder may be disassembled by moving to the slit hole.

In addition, the fixing hole is provided below the blower, characterized in that formed on the support panel to which the various electrical components are fixed.

In addition, a bell mouse for guiding the air sucked into the air suction port to the blower is integrally formed at the center of the support panel.

In addition, the width of the slit is formed smaller than the width of the fixing hole in order to prevent the flow of the sensor holder inserted into the fixing hole.

The sensor holder may further include a tensioner between the sensor accommodating part and the first and second hook parts.

In addition, the sensor holder is characterized in that made of a synthetic resin material.

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

As shown in Figures 1 and 2, the ceiling-embedded air conditioner to which the present invention is applied, the indoor main body in which the heat exchanger 50 and the blower 40 are built, is opened in a box shape and the lower part is embedded in the ceiling. It is configured to include a side panel 10 to be installed, and the front panel 20 exposed to the outside while covering the opening of the side panel 10. In addition, the inner side of the side panel 10 is in close contact with the side panel 10 is a heat insulating material 30 made of a sponge or styropole material having the same shape as the side panel 10.

An air inlet 21 is formed in the center of the front panel 20 to suck indoor air, and a narrow and long air is provided around the front panel 20 outside the air inlet 21 to discharge the cooled air into the room. The discharge port 22 is formed

A blower 40 for forcibly sucking indoor air into the air inlet 21 is disposed at the center of the indoor main body. The blower 40 blows air in the center direction and discharges the air in a radial direction 41. ) And a motor 42 for driving the blowing fan 41.

The heat exchanger 50 surrounds the four sides of the blower fan 41 to cool and heat the air sucked into the air inlet 21 by driving the blower fan 41 around the blower fan 41. Is installed.

The drain panel 60 is installed below the heat exchanger 50 to collect and discharge the condensed water generated during the heat exchange process between the air sucked through the air inlet 21 and the heat exchanger 50. The drain panel 60 is supported by the front panel 20 and corresponds to the air inlet 21 so that the air sucked into the air inlet 21 of the front panel 20 can be introduced into the blower fan 41. The opening 61a is formed at the position, and the recess 62 is disposed at a position corresponding to the air outlet 22 on the side, so that the air passing through the heat exchanger 50 passes through the recess 62. 22) to be discharged. A support panel 70 to be described later is provided around the opening 60 of the bottom surface (when viewed indoors) of the drain panel 60.

The support panel 70 is integrally formed with a control base 71 in which various electric components are installed and a bell mouth 72 for guiding the air sucked into the air intake port 21 to the blowing fan 41. More specifically, an opening is formed at a position corresponding to the air inlet 21 at the central portion of the support panel 70, and a bell mouth 72 is formed at the opening, the diameter of which decreases toward the upper portion (the direction in which the blower is installed). The control base 71 may be formed around the outer support panel 70 of the opening, in which a printed circuit board on which various electric components are installed may be installed. In addition, the guide net 73 is installed in the opening to prevent the foreign matter floating in the inhaled air from entering a relatively large foreign matter to damage the blower fan 41.

On the other hand, the temperature sensor fixed structure applied to the ceiling-mounted air conditioner according to the present invention, as shown in Figure 3, the temperature sensor 80 and the temperature sensor for detecting the temperature of the air sucked into the air inlet (21) ( It comprises a sensor holder (90) for fixing the interior 80 to the interior of the main body and the fixing hole (100) detachably installed on the support panel (70).

The temperature sensor 80 is formed in a rod shape having a substantially “b” shape and connected to a controller (not shown) of an electric component installed in the control base 71 by a lead wire (not shown). It is installed to protrude toward the air inlet 21 is composed of a sensor unit 82 for sensing the temperature of the intake air.

The sensor holder 90 has a circular sensor accommodating part 91 in which a temperature sensor 80 is accommodated on one side thereof, and the sensor accommodating part 91 is easily inserted into a temperature sensor 80 and a sensor holder ( One side is cut open to impart an elastic force to 90). The control base 71 includes a temperature sensor 80 accommodated in the sensor accommodating part 91 that extends in the same plane as the sensor accommodating part 91 on both sides of the open end around the cut open part 91. ) And a first support portion 91a and a second branch portion 92b spaced apart from each other by a predetermined distance.

In addition, the first hook portion 93a and the second hook portion 93b are inserted into and fixed to the fixing hole 100 at ends of the first and second support portions 92a and 92b corresponding to the other side of the sensor holder 80. Is formed and each hook portion (93a, 93b) is formed with an inclined wedge surface and the locking step (94).

The outer surface of the first support part 92a and the second support part 92b pressurizes the upper surface of the control base 71 in a state where the sensor holder 90 is inserted into and fixed to the control base 71 to flow the sensor holder 90. Arc-shaped tensioner 95 is formed to prevent the.

In addition, the fixing hole 100 is a hole in the circular shape is inserted into the hook hole (93a, 93b) is inserted into the holding hole 101, and the rectangular hole in the radial side of the insertion hole 110 is further The sensor holder 90 is formed by moving any one of the first and second hooks 93a and 93b formed by the slit hole 120 and inserted into the insertion hole 110 to the slit hole 120. The insertion hole 110 and the slit hole 120 are connected to each other so as to be disassembled.

The width L of the slit hole 120 moves to the slit hole 120 in a state where the first hook portion 93a and the second hook portion 93b of the sensor holder 90 are inserted into the insertion hole 110. It is formed smaller than the diameter (R) of the insertion hole 110 in order to prevent it, and any one of the first support portion 92a and the second support portion 92b of the sensor holder 90 to the slit hole 120. In order to disassemble the sensor holder 90 in the moved state, it is preferable to form larger than the width (M) of each support.

In addition, the sensor holder 90 is preferably formed of a soft synthetic resin material to facilitate assembly and disassembly in the fixing hole (100).

Referring to Figure 4 the operation of assembling and disassembling the support panel of the sensor holder in the present invention configured as described above are as follows.

First, when assembling the sensor holder 90 to the support panel 70 installed inside the indoor main body, as shown in FIG. 4 (a), the Fuku parts 93a and 93b of the sensor holder 90 are supported by the support panel 70. When the fitting hole 110 is inserted into the insertion hole 110 and is inserted by the elasticity of the resin material, the latching jaws 6a formed on the outer sides of the hook portions 93a and 93b are caught by the bottom surface of the support panel 70 and arc-shaped tension. As the nut 94 presses the upper surface of the support panel 70, curvature occurs and the sensor holder 90 is firmly fixed to the support panel 70.

As shown in FIG. 4B, when the sensor holder 90 is disassembled from the support panel 70 in the state where the sensor holder 90 is inserted into the insertion hole 110 of the support panel 70, the sensor holder ( The hook portion (the second hook portion 93b in the drawing) of the first hook portion 93a and the second hook portion 93b fixedly inserted into the insertion hole 110 by being twisted slightly is inserted into the insertion hole ( When it is moved to the slit hole 120 connected to the 110, the width M of the locking jaw 94 of the first hook portion 93a remaining in the insertion hole 110 is the diameter R of the insertion hole 110. Since it is smaller, the first hook portion 93b can be easily taken out from the insertion hole 110. In the same way, when the second hook portion 93b moved to the slit hole 120 is returned to the insertion hole 110 and then removed from the insertion hole 110, the sensor holder 90 is completely supported by the support panel 70. Decompose

As described in detail above, the ceiling-mounted air conditioner according to the present invention has the effect of reducing the diameter of the locking portion by securing a space for moving any one locking portion in a state in which the two-parted locking portion is inserted into the fixing hole. The sensor holder can be easily disassembled from the fixing hole.

In particular, the above-described temperature sensor fixing structure is the front part (when viewed indoors) in the structure of the ceiling-mounted air conditioner in which the guide net or the blowing fan parts are assembled on the opposite side and thus cannot be inserted into the operator's hands or tools. ), The sensor holder can be assembled and disassembled, which shortens the assembly and disassembly time.

In addition, the temperature sensor fixing structure as described above does not require excessive force at the time of disassembly there is a side effect that the wear of the parts is prevented.

Claims (6)

An indoor main body provided with an air inlet and an air outlet, a blower for forcibly drawing air to the air inlet, a temperature sensor for sensing a temperature of the air sucked into the air inlet, a sensor holder for fixing the temperature sensor, and In the ceiling embedded air conditioner comprising a fixing hole so that the sensor holder is detachably installed on the indoor main body, The sensor holder includes first and second hook portions which are divided into two parts and a sensor accommodation portion in which the temperature sensor is accommodated and inserted into and fixed to the fixing hole, wherein the fixing hole is inserted into and fixed to the first and second hook portions. Comprising an insertion hole and a rectangular slit hole drilled in the lateral direction of the insertion hole, by moving any one of the first and second hook portion inserted into the insertion hole to the slit hole to decompose the sensor holder Ceiling mounted air conditioner. The method of claim 1, The fixing hole is provided below the blower and the ceiling embedded air conditioner, characterized in that formed on the support panel to which the various electrical components are fixed. In the second sulfur, And a bell mouse for guiding the air sucked into the air inlet to the blower is integrally formed at the center of the support panel. The method according to any one of claims 1 to 3, And a width of the slit is smaller than a width of the fixing hole in order to prevent the flow of the sensor holder inserted into and fixed to the fixing hole. The method of claim 2, The sensor holder is embedded ceiling air conditioner, characterized in that the tensioner is further included between the sensor accommodating portion and the first and second hook portion. The method of claim 2, The sensor holder is a ceiling embedded air conditioner, characterized in that made of a synthetic resin material.

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