KR101328938B1 - Air conditioner - Google Patents

Abstract

The present invention relates to an air conditioner, in particular, by opening and closing the air inlet by the front panel and on / off the safety switch according to the movement of the front panel, to ensure a sufficient amount of air in the heat exchanged room and to prevent safety accidents when replacing the filter It relates to an air conditioner.

To this end, the present invention and the case is installed a heat exchanger and a blowing fan; A front panel formed at the front of the case to open and close the air inlet; A driving unit for moving the front panel; A plasma filter for purifying the air introduced through the air inlet; A safety switch mounted to the driving unit to determine a power supply to a plasma filter; And on / off means for selectively actuating the safety switch as the front panel moves.

Front panel, plasma filter, safety switch

Description

AIR CONDITIONER

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

Figure 2 is a perspective view showing an air conditioner according to the present invention;

3 is a cross-sectional view showing an air conditioner according to the present invention;

4 is a perspective view showing a drive unit of the air conditioner according to the present invention;

5 to 7 are cross-sectional views showing a drive unit of the air conditioner according to the present invention;

8 is a perspective view showing the opening and closing guide of the air conditioner according to the present invention;

9 to 11 is a cross-sectional view showing a state of use of the air conditioner opening and closing guide according to the present invention;

12 is a perspective view showing a state of use of the air conditioner opening and closing guide according to the present invention;

13 and 14 are perspective views showing a state of use of the air conditioner safety switch according to the present invention;

15 and 16 are cross-sectional views showing a state of use of the air conditioner safety switch according to the present invention;

17 is an exploded perspective view showing an air conditioner according to the prior art;

18 is a cross-sectional view illustrating a conventional air conditioner.

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

200: case 300: front frame

400: front panel 500: driving part

600: Discharging unit 700:

800: Heat exchange channel 900: Discharge channel

1000: opening and closing guide 1200: safety switch

The present invention relates to an air conditioner, and more particularly, to an air conditioner in which a front panel opens and closes a plurality of air inlets to efficiently exchange indoor air and prevent safety accidents when replacing a filter.

Background Art [0002] Generally, an air conditioner is used for cooling or heating a room by using a refrigeration cycle of a refrigerant composed of a compressor, a four-way valve, an outdoor heat exchanger, an expansion mechanism and an indoor heat exchanger in order to create a more pleasant indoor environment. It is divided into separate type and integral type.

The separation type and the integrated type are functionally the same, but the separation type is an indoor unit separated from each other by installing a cooling / heating unit, an indoor fan and an indoor fan motor in an indoor unit, and a heat radiating / cooling unit and an outdoor fan and an outdoor fan motor in an outdoor unit. And the outdoor unit are connected to the refrigerant pipe, and the integrated type integrates the function of cooling and heat dissipation to drill holes in the walls of the houses or directly install the devices by hanging the windows.

FIG. 17 is an exploded perspective view illustrating an air conditioner according to the prior art, and FIG. 18 is a cross-sectional view illustrating an air conditioner according to the prior art.

Conventional air conditioner is the front frame (102), which is coupled to the front of the case 102, the air inlet 104 and the suction grill 106 is formed and the air outlet 108 is formed on the bottom or bottom of the front ( 110, a suction grill 112 rotatably connected to the front of the front frame 110, a motor 114 mounted on the case 102, and a blowing fan 116 connected to the motor 114. And a heat exchanger 118 disposed between the blowing fan 116, the air intake 104, and the suction grill 106.

The front frame 110 has a front air inlet 104 formed on its front surface and an intake grill 106 formed integrally on an upper surface of the front frame 110. The front frame 110 is inserted into the front air inlet 104 A pre-filter 105 for filtering foreign matter in the air is disposed.

The suction grill 112 protects the front air inlet 104 and the pre-filter 105, and the upper portion thereof is pivotally connected to the upper portion of the front frame 110.

A condensed water receiver 119 receiving the condensed water dropped from the indoor heat exchanger 118 is formed in an inner lower portion of the front frame 110 and a louver 118 changing the left and right air direction of the air discharged to the air outlet 108. [ A discharge grill 124 including a spool 120 and a vane 122 for changing the vertical direction is mounted.

In the conventional air conditioner configured as described above, when the blowing fan 116 is rotated by the driving of the motor 114, indoor air in front of the suction grill 112 flows through the suction grille 112 and the front air inlet The foreign matter is filtered by the filter 105 while being sucked into the space between the front frame 110 and the case 102. [

In addition, indoor air above the front frame 110 passes through the upper surface suction grille 106 and is sucked into the space between the front frame 110 and the case 102.

The indoor air sucked as described above is cooled or heated by the refrigerant passing through the indoor heat exchanger 118 while passing through the indoor heat exchanger 118. After passing through the air blowing fan 116, And the vane 122, and is discharged to the room through the air discharge port 108. [

However, in the air conditioner according to the related art, since the air in the room is sucked through the front and top suction grilles and cooled / heated in the heat exchanger 118, the air is discharged to the room only through the lower surface thereof. The time during which the cool air spreads evenly throughout the room during the cooling operation becomes long, and if the installation height is high, there is a problem that the unpleasant feeling is increased by being discharged to the user's face during the heating operation.

In addition, there is a problem that the plasma is continuously generated when the user does not turn off the safety switch in advance when the filter is replaced, which adversely affects the user.

The present invention has been made to solve the problems of the prior art as described above, is not significantly limited by the installation height, cold air evenly spread throughout the room during cooling operation, as well as indirectly discharging warmth during heating operation user discomfort The purpose is to solve the problem.

In addition, another object of the present invention is to provide an air conditioner that can prevent the occurrence of safety by automatically blocking the generation of plasma when the filter is replaced.

The present invention for achieving the above object, the heat exchanger and the blowing fan case is installed; A front panel formed at the front of the case to open and close the air inlet; A driving unit for moving the front panel; A plasma filter for purifying the air introduced through the air inlet; A safety switch mounted to the driving unit to determine a power supply to a plasma filter; And on / off means for selectively actuating the safety switch as the front panel moves.

The front panel rotates while drawing an upper and lower arcs.

Preferably, the on / off means protrude from the upper rear of the front panel.

In one embodiment of the present invention, the drive unit and the drive motor; A pinion gear connected to the rotation shaft of the drive motor; The rack rail is engaged with the pinion gear and connected with the front panel.

Preferably, the rack rail, the main body portion is formed with a rack gear meshing with the pinion gear; A guide part spaced apart from the main body part; The connecting portion connecting the main body portion and the guide portion is configured.

The safety switch is mounted on the guide part, and a hinge hole is drilled in the front end of the rack rail.

Preferably, the front panel is formed, the opening and closing guide for guiding the up and down rotation of the front panel is further configured, the opening and closing guide is constrained downward movement in the upper limit position during the front panel up and down rotation.

On the other hand, the front panel is formed of a plurality of separated.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

As shown in FIGS. 1 to 3, the air conditioner of the present invention includes a suction flow path formed by the case 200, the front frame 300, the front panel 400, the driver 500, and the discharge unit 600 ( 700, a heat exchange flow path 800, and a discharge flow path 900.

In the case 200, the heat exchanger 210 is disposed in parallel with the front surface of the case 200, and the blower fan 220 is installed in a pair at the rear of the heat exchanger 210 with a vertical gap therebetween.

A pair of front frames 300 are coupled to the front of the case 200 at vertical intervals, and a display unit 310 is disposed between the two front frames 300.

An air inlet 320 is formed in the front frame 300 to suck air from the front of the room, and a filter 325 is mounted in the air inlet 320.

The front panel 400 opens and closes the air inlet 320 while moving the front and rear surfaces of the front frame 300, and vertically spaces the display panel 310 therebetween so as to correspond to the front frame 300. Are placed in pairs.

As shown in FIGS. 4 to 7, the driver 500 is configured to move the front panel 400 back and forth from the front frame 300, and includes a driving source 510 and a power transmission unit 520. .

For example, a driving motor may be used as the driving source unit 510, and the power transmission unit 520 may include a pinion gear 521 and a rack rail 522.

The pinion gear 521 is connected to the rotation shaft 511 of the drive motor, and the rack rail 522 includes a main body portion 5121, a guide portion 5222, and a connection portion 5223.

The main body part 5121 is formed with a rack gear 5121a meshing with the pinion gear 521 along a lower surface thereof, and the guide part 5222 is located at a lower position spaced apart from the main body part 5121. 5221 is disposed in parallel with the connecting portion 5223 connects the main body portion 5121 and the guide portion 5222.

That is, the rack rail 522 including the main body portion 5121, the guide portion 5222, and the connecting portion 5223 has a c shape as a whole.

The rack rail 522 accommodates the rack rail 522 in the case 200 to move in and out of the front frame 300 as the pinion gear 521 rotates (FIG. 12). Perforation).

Particularly, a step 5221b is formed on the upper surface of the main body 5221, and the step 5221b contacts the main body supporter 240 formed on the upper part of the case 200 to smoothly move back and forth.

A hinge hole 5121c is formed at an upper end of the front end of the main body portion 5121 and connected to the front panel 400 by a hinge pin 5121d to move forward and backward with the front panel 400.

In addition, the lower surface of the guide portion 5222 may guide the entire rack rail 522 while smoothly moving back and forth in contact with the supporter supporter 245 spaced downward from the main body supporter 240 of the case 200. .

On the other hand, at the rear end of the main body portion 5121, the stopper is caught by the locking portion 250 formed on the upper portion of the case 200 to prevent the further progress when the rack rail 522 moves to the front limit point 5121e is provided in a wedge shape.

The driving unit 500 is preferably provided for each of the separated front panel 400, and more preferably provided at both corners of the front panel 400, respectively.

The discharge unit 600 is hinged to the upper and lower surfaces of the case 200, respectively, to open and close the air discharge port 610 while rotating.

The discharge unit 610 is opened and closed in an inclined direction at a predetermined angle toward the front and rear so as not to disturb the inflow of air from the front.

In the present invention, the suction flow path 700 refers to a passage through which the indoor air is introduced into the air conditioner.

The suction flow path 700 is formed in the space between the case 200 to the front frame 300 and the front panel 400, because the front frame 300 and the front panel 400 is formed in plurality. A plurality of suction flow paths 700 are opened and closed according to the front and rear movement of the front panel 400.

In particular, in the present invention, since the front panel 400 is formed in a pair with a vertical interval based on the display unit 310 in the middle, the suction flow path 700 according to the movement of the front panel 400. The intermediate part and the upper and lower portions of the space between the case 200 and the front panel 400 are respectively formed.

Specifically, the suction flow path 700 is formed by branching to both the upper and lower sides in the middle of the space between the case 200 and the front panel 400.

More specifically, the suction flow path 700 is formed by branching up and down over the entire middle portion of the space between the case 200 and the front panel 400 in accordance with the movement of the front panel 400, the case ( Over the entire top and bottom of 200).

Here, when the front panel 400 moves forward, both side surfaces of the space between the case 200 and the front panel 400 are preferably closed.

To this end, the front panel 400 is composed of a flat portion 410 to form a front surface and a bent portion 420 to form a side, the bent portion 420 is rear at both ends of the flat portion 410 It is bent and extended to move along both inclined sides of the front frame 300.

In another embodiment of the present invention, when the front panel 400 is formed in a pair at the left and right intervals, the suction flow path 700 is the case 200 and the front surface according to the movement of the front panel 400. It is formed in the middle portion and the side of the space between the panel 400.

In this case, the display unit 310 may be formed to be vertically long between the left and right front panels 400.

In the present invention, the heat exchange passage 800 is a passage for inducing the heat exchange while passing indoor air through the heat exchanger 210 installed in the case 200 after the air flows into the air conditioner through the suction passage 700. Say.

The heat exchange passage 800 is formed by the front frame 300 and the case 200 behind the air inlet 320 when the front panel 400 moves forward to open the suction passage 800.

In particular, the heat exchange path 800 is vertically installed so that the up and down inclined direction discharge of the heat-exchanged air flows from the front, and the heat exchanger 210 is vertically installed, and the center portion of the heat exchanger 210 moves in the inclined direction of the air. It is preferred to have a> shape to induce

Meanwhile, in the present invention, the discharge passage 900 refers to a passage for discharging the air conditioned through the heat exchange passage 800 again to the room.

The discharge passage 800 is opened and closed by a discharge unit 600 provided on the upper and lower portions of the case 200, and is formed by the combination of the front frame 300 and the case 200.

8 to 12, when the filter detachably mounted to correspond to the front panel 400 in the air inlet 320 of the front frame 300 is detached from the front panel 400. The opening and closing guide 1000 for guiding the up and down rotation is further configured.

The opening and closing guide 1000 extends in an arc shape that becomes narrower from the top of the rear surface of the front panel 400 to the rear.

In addition, the opening and closing guide 1000 transmits the power at the upper limit position of the front panel 400 when the front panel 400 is rotated so that the downward movement is constrained at the upper limit position of the front panel 400 when the upper and lower pivots. Downward movement is constrained by the fixing protrusion 523 formed in the portion 520.

That is, the fixing protrusion 523 protrudes at the front end portion of the power transmitting portion 520 and the guide portion 5222, and the opening and closing guide 1000 contacts the fixing protrusion 523 while the inner side thereof is rotated up and down. It is elastically deformed to the outside, and the free end of the opening and closing guide 1000 is moved upward to restore the inside when passing through the fixing projections 523, the lower movement is constrained in contact with the front surface of the fixing projections 523.

Here, the guide groove 1030 is formed along the inner center portion of the opening and closing guide 1000 to minimize the shaking of the front panel 400 when the opening and closing guide 1000 moves in contact with the fixing protrusion 523. Can be incised.

The fixing protrusion 523 may have a side surface that is rounded to allow the opening and closing guide 1000 to rotate vertically while contacting the fixing protrusion 523 even with a small force.

In addition, the opening and closing guide 1000 has a pair of insertion grooves 1010 are formed to face inwardly concave on both sides of the front end portion, to accommodate the locking step 524 formed in the power transmission unit 520, The front panel 400 is accurately fixed to the power transmission unit 520 at the lower limit position at the time of vertical rotation.

That is, the locking jaw 524 protrudes to face up and down the front end of the power transmission unit 520, the guide portion 5222, the opening and closing guide 1000 is the insertion groove 1010 is caught when moving downward Further downward movement is constrained while receiving the jaw 524.

In particular, the rear of the insertion groove (1010) is formed in the removable guide portion 1020 that is elastically deformed inward to the inner side of both ends of the opening and closing guide 1000 is thinly cut in the longitudinal direction.

The detachable guide part 1020 has the engaging jaw 524 detachable guide part when the insertion groove 1010 of the opening and closing guide 1000 receives or detaches the engaging jaw 524 of the guide part 5222. 1020) to move smoothly while pressing.

As shown in FIG. 3, the present invention may include a plasma filter 327 for purifying the air introduced through the air inlet 320, and as shown in FIGS. 13 to 16, the plasma filter 327. Safety switch 1200 may be configured to determine the power supply to the furnace.

A limit switch may be used as the safety switch 1200. The safety switch 1200 may be accommodated in the accommodating part 1210 formed in the guide part 5222 of the power transmission part 520 to move together with the vertical rotation of the guide part 5222. .

When replacing the filter installed on the front of the front frame 300, the front panel (120) so that the contact 1220 of the safety switch 1200 can be selectively turned on / off in accordance with the vertical rotation of the front panel 400 On / off means 1230 protrude from the upper rear surface of 400.

Since the safety switch 1200 is accommodated in the accommodating part 1210 of the guide part 5222 as described above, when the power transmission part 520 moves back and forth, the safety switch 1200 moves back and forth together with the front panel 400.

In this case, the on / off means 1230 allows the contacts of the safety switch 1200 to be spaced apart from each other when the front panel 400 rotates upward (when the front panel 400 is opened). Discontinue operation of (327).

On the contrary, the on / off means 1230 allows the contacts of the safety switch 1200 to come into contact with each other when the front panel 400 is rotated downward (when the front panel 400 is closed). 327) is activated.

That is, the on / off means 1230 allows the contacts of the safety switch 1200 to come into contact only at the lower limit position of the front panel 400, and spaces the contacts when it is out of the lower limit position. Do not occur.

Reference numerals not described in the drawings refer to the bearing part 221 for the blowing fan, the seating hook 297, the main frame 630 of the discharge unit, the drive motor fixture 1100, the body 1110, the receiving part 1120, the mounting leg 1150, the drain pan 1700.

The air conditioner of the present invention configured as described above functions as follows.

The front panel 400 is horizontally moved forward and backward by the driving unit 500 and the air inlet 320 is formed on the front of the front frame 300 in accordance with the movement of the front panel 400. [ The indoor air is introduced into the case 200 through the air vent.

When the front panel 400 is moved forward, a plurality of suction passages 700 formed in the space between the front panel 400 and the front frame 300 inflow indoor air into the air suction port 320 It functions as a pathway for.

Accordingly, since the plurality of suction passages 700 are opened and closed by the movement of the separated front panel 400, a sufficient amount of room air can be air-conditioned and the plurality of front panels 400 can be selectively moved back and forth So that it is possible to control the flow path efficiently at the time of cooling or heating or various other modes (sleeping, going out, etc.).

In particular, since the drive unit 400 is formed by the combination of the pinion gear 521 and the rack rail 522 connected to the front panel 400, the front panel 400 is stable without shaking even though the air flow is inhaled. You can move back and forth.

When the room air introduced through the suction duct 700 in front of the case 200 is discharged through the air outlet 620 provided above and below the case 200, It is possible to induce uniform diffusion of the discharged air during operation.

형상을 이루게 되면, 흡입된 실내 공기가 열교환 유로(800) 내에서 유동저항이 감소되어 상하 방 향 토출이 더욱 원활해진다.On the other hand, the central portion of the heat exchanger 210 installed in the case 200

When the shape is achieved, the flow resistance is reduced in the indoor air sucked in the heat exchange path 800, so that the vertical discharge is more smoothly performed.

In addition, the discharge panel 610 rotates toward the rear of the case 200 to open and close the discharge flow path 900, thereby indirectly discharging warmth during heating operation without disturbing the inflow of air from the front, thereby relieving user discomfort. can do.

In addition, since the opening and closing guide 1000 is constrained to move downward and upward at the upper limit position and the lower limit position at the time of rotating the front panel 400 up and down, the filter replacement is convenient and unnecessary flow of the front panel 400 is prevented. Suppressed.

In addition, the safety switch 1200 is accommodated in the accommodating portion 1210 formed in the guide portion 5222 of the power transmission unit 520 is moved along with the front and rear movement of the guide portion 5222, the contact point 1220 Since it is selectively on / off, the generation of plasma is automatically cut off when the filter is replaced to prevent a safety accident.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is self-evident to those who have.

Therefore, it should be understood that the above-described embodiments are to be considered as illustrative rather than restrictive, so that the invention is not limited to the foregoing description, but may be modified within the scope of the appended claims and equivalents thereof.

The air conditioner of the present invention configured as described above can sufficiently secure the amount of air in the room to be heat exchanged and induce an even diffusion of the discharged air during the heating and cooling operation without being significantly limited by the installation height of the air conditioner, and prevents the inflow of air from the front. Indirect discharge of warmth during heating operation without receiving.

In addition, the safety switch is accommodated in the accommodating portion formed in the guide portion of the power transmission unit, and the contact is selectively turned on / off while moving along the front and rear movement of the guide portion, the generation of plasma is automatically cut off when replacing the filter to prevent safety accidents It has a useful effect.

Claims (10)

A case in which a heat exchanger and a blowing fan are installed; A front panel formed at the front of the case to open and close the air inlet; A driving unit for moving the front panel; A plasma filter for purifying the air introduced through the air inlet; A safety switch mounted to the driving unit to determine a power supply to a plasma filter; On / off means for selectively operating said safety switch in response to movement of said front panel; Air conditioner, characterized in that configured to include. The method of claim 1, The front panel is an air conditioner, characterized in that the rotating up and down arc. The method of claim 1, And the on / off means protrude from the upper rear side of the front panel. The method of claim 1, The drive unit and the drive motor; A pinion gear connected to the rotation shaft of the drive motor; A rack rail engaged with the pinion gear and connected to the front panel; Air conditioner characterized in that the configuration. The method of claim 4, wherein the rack rail, A main body portion having a rack gear meshing with the pinion gear; A guide part spaced apart from the main body part; A connection part connecting the main body part and the guide part; Air conditioner characterized in that the configuration. 6. The method of claim 5, Safety switch is mounted to the guide unit air conditioner, characterized in that. 5. The method of claim 4, An air conditioner, characterized in that the hinge hole is drilled in the front end of the rack rail. The method of claim 1, The air conditioner is formed on the front panel, characterized in that the opening and closing guide for guiding the up and down rotation of the front panel. 9. The method of claim 8, The opening and closing guide is an air conditioner characterized in that the downward movement is constrained in the upper limit position during the front panel up and down rotation. The method of claim 1, The front panel is formed of a plurality of separated air conditioner.

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