JP2002235950A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner to prevent breakage of parts at an internal part of an indoor unit and the occurrence of an injury to the internal part and enable securing of an ideal air passage shape. SOLUTION: The air conditioner is provided with an air inlet 2, an air outlet 3, a heat exchanger 6, and an electric heater 7 disposed between the air outlet 3 and the heat exchanger 6. Supply part protection device 8 is formed of a metallic plate approximately in a U-shape in cross section consisting of a protection surface 10 and two leg surfaces 11a and 11b, and mounted on the heat exchanger 6 in a manner that an opening part 9 approximately vertically oriented is disposed in the vicinity of the air outlet 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner provided with a blowout protection device.

[0002]

2. Description of the Related Art FIGS.
BRIEF DESCRIPTION OF THE DRAWINGS It is the front view which shows an example of the blowing part protection device of the conventional air conditioner disclosed by 10709 gazette, and its longitudinal cross-sectional view. As shown in the figure, a notch or cut-and-raised portion 21 is provided at an upper front portion of a stabilizer 20 for rectifying the air flow of the air conditioner.
Is provided, and the lower end of the wire netting 22 which is the blowout part protection device is sandwiched. Also, a notch or cut-out portion 24 is provided in the upper front part of the air guider 23, and the upper end of the wire mesh 22 is sandwiched to fix the wire mesh 22. In this way, the wire mesh 22 is attached to the front of the air conditioner without using screws or spots.

[0003]

However, in the blowout part protection device composed of the wire mesh 22 constructed as described above, when the finger is pressed against the wire mesh 22, the wire mesh 22 may be deformed. May be inserted inside the air conditioner and cause injury. In addition, the wire net 22 may be bent, and if bent, a finger easily enters the inside of the air conditioner, and there is a case where an injury occurs due to components inside the air conditioner.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and does not use a wire mesh which is easily deformed, and is hardly deformed and at the same time can easily be processed into a desired shape. An object of the present invention is to provide an air conditioner capable of securing an ideal air path shape by installing a device on an air path, thereby preventing damage to components inside the indoor unit and injuries inside the indoor unit. I do.

[0005]

SUMMARY OF THE INVENTION The present invention relates to an air conditioner including an inlet and an outlet, a heat exchanger, an electric heater disposed between the outlet and the heat exchanger, and the like.
A blowout part protection device, which was made of a metal plate having a substantially U-shaped cross section composed of a protection surface and both leg surfaces, and which was attached to the heat exchanger so that the opening was oriented substantially vertically, was disposed near the blowout opening. Also, the lower protection surface of the blowout part protection device is bent to the heat exchanger side, and the upper protection surface is bent to the blowout port side,
The protection surface was made to be substantially S-shaped in cross section. Further, a plurality of slits were provided on the protection surface of the blowout part protection device.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] FIG. 1 is a front view of a first embodiment of the present invention, FIG. 2 is a longitudinal sectional view thereof, FIG. FIG. Reference numeral 1 denotes an indoor unit of an air conditioner, which is provided with a suction grill 2 at a lower front portion and a blow grill 3 at an upper front portion. Further, a fan 4 is provided inside the suction grill 2, and a drain pan 5 is provided above the fan 4. Further, the indoor heat exchanger 6 is installed obliquely from the drain pan 5 side toward the upper rear side of the indoor unit 1, and an electric heater 7 is disposed between the indoor heat exchanger 6 and the blow grill 3. . This electric heater 7 is formed in the lateral direction of the indoor unit 1.

Reference numeral 8 denotes a blowout portion protection device formed by forming a metal plate such as a steel plate or a stainless steel plate into a substantially U-shaped cross section and providing the blowout portion 3 inside the air conditioner near the blowout grill 3.
It is provided between the electric heater 7 and the blowing grill 3,
The opening 9 is attached to the indoor heat exchanger 6 so as to be oriented substantially vertically in the air conditioner. More specifically, as shown in FIG. 3, the blowout part protection device 8 fixes the protection surface 10, the leg surfaces 11a and 11b which are bent in the same direction substantially perpendicular to the protection surface 10, and the leg surfaces 11a and 11b. 13a, 13 provided with screw holes 12 for
b, and the screw holes 12 of the blowout part protection device 8 are inserted into the side plates 14a, 14a of the indoor heat exchanger 6.
The blowout part protection device 8 is fixed to the indoor heat exchanger 6 with screws 16 in alignment with the screw holes 15 provided in 4b.

The operation of the first embodiment configured as described above will be described. As shown in FIG. 4, the air sucked from the suction grill 2 of the air conditioner is sent to the indoor heat exchanger 6 located above by the fan 4, passes through the electric heater 7, and passes from the blow grill 3 to the room. Is blown out. At this time, for example, the air flows A, B, C, and D pass through the upper and lower sides of the blowout section protection device 8 and flow through the blowout grill 3.
From the room.

When the air conditioner is operating as described above, even if a hand or the like is inserted from the outlet grill 3, the outlet protecting device 8 is formed of a metal plate and is not deformed. Further, there is no risk of injury due to internal components of the indoor unit 1 or the like. In addition, electric heater 7
Is hot when it is in operation, and if you touch the electric heater 7 directly with your hand or finger, you will get burned. However, the outlet protection device 8 is installed between the outlet grill 3 and the electric heater 7. Therefore, it does not directly touch the electric heater 7 and functions as a shielding plate. Furthermore, since the blowout part protection device 8 is formed of a metal plate, it can be easily processed into a desired shape, and an ideal air path shape can be secured.

[Second Embodiment] FIG. 5 is a longitudinal sectional view of a main part of a second embodiment of the present invention, and FIG. 6 is a perspective view of a blowout portion protection device. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the present embodiment, a first bent surface 10a bent toward the indoor heat exchanger 6 is provided below the blowout unit protection device 8 (on the side of the suction grill 2).
Is formed on the upper side (on the side of the blow-off grill 3) to form a second bent surface 10b bent in the direction of the blow-off grill 3 so that the protective surface 10 becomes substantially S-shaped as a whole as shown in FIG. It is formed so that air flows smoothly.

In the second embodiment configured as described above, the air sucked in from the suction grill 2 of the air conditioner is blown out of the blow-out grill 3 from the indoor heat exchanger 6 through the electric heater 7. At this time, as shown in FIG. 5, the airflows C and D pass through the protection surface 10 from the inside of the first bent surface 10a of the blowout portion protection device 8 and extend along the second bent surface 10b. It flows smoothly between the device 8 and the indoor heat exchanger 6 and blows out from the blowout grill 3. . In this way, the first,
Since the second bent surfaces 10a and 10b are provided, the blowout part protection device 8 does not obstruct the flow of air.
The air flows to the blow grill 3 side. In addition, since the blowout part protection device 8 is formed of a metal plate, it is possible to easily process an air path shape suitable for each air conditioner.

[Embodiment 3] FIG. 7 is a longitudinal sectional view of a main part of an embodiment 3 of the present invention, and FIG. 8 is a perspective view of a blowout portion protection device. The same parts as those in the second embodiment are denoted by the same reference numerals, and description thereof will be omitted. Reference numeral 17 denotes a slit whose longitudinal direction is a vertical direction (a direction parallel to the leg surfaces 11a and 11b) of the protection surface 10 of the blowout part protection device 8, and a plurality of slits 17 are provided in parallel with the longitudinal direction. The width in the width direction is set to a size that does not allow a finger to enter.

In the third embodiment configured as described above, the air sucked from the suction grill 2 of the air conditioner passes through the electric heater 7 from the indoor heat exchanger 6 and blows out from the blow grill 3. At this time, as shown in FIG. 7, B and C of the air passing through the indoor heat exchanger 6 directly hit the protection surface 10 of the blowout part protection device 8, but since the protection surface 10 is provided with the slit 17, This slit 17
Outlet protection device 8 and outlet grill 3
, And flows into the air flows E and F. The air flow D also passes through the slit 17 and becomes F.

In this way, the air blown out of the indoor heat exchanger 6 passes through the slit 17 of the blowout section protection device 8 and not only between the blowout section protection device 8 and the indoor heat exchanger 6 but also in the blowout section protection device 8. Since the air also flows into the space of the blowout grill 3, there is no difference in air temperature between the two sides of the blowout protection device 8. For this reason, for example, during cooling, dew condensation does not occur in the blowout part protection device 8, no rust occurs, and no deterioration occurs. Further, since the slit 17 of the blowout part protection device 8 has a width that does not allow a finger to enter, the finger does not enter the slit 17 even if the slit 17 is pressed with a finger, and the slit 17 is deformed because it is formed of a metal plate. Not even.

[0015]

The present invention relates to an air conditioner provided with a suction port and a discharge port, a heat exchanger, an electric heater disposed between the discharge port and the heat exchanger, and the like. Since the blowout part protection device, which is made of a metal plate having a substantially U-shaped cross section and is attached to the heat exchanger so that the opening is oriented substantially vertically, is disposed near the blowout port, the blowout part protection device Unlike the conventional example in which the wire is formed by a wire net, even if the hand is inserted into the interior of the indoor unit, the blowout portion protection device is not deformed, and the injury inside the indoor unit can be prevented. In addition, when an electric heater is present near the outlet, the blower protection device installed near the outlet serves as a blocking plate that prevents a finger or the like from directly touching the electric heater, thereby preventing a burn. Furthermore, since the blowout part protection device is formed of a metal plate, it can be easily processed into a desired shape.

Further, the lower protection surface of the blow-out portion protection device is bent toward the heat exchanger, and the upper protection surface is bent toward the blow-out opening.
Since the protection surface has a substantially S-shaped cross section, the flow of air is smooth. Since the blowout part protection device is formed of a metal plate, a desired shape can be easily formed, and an ideal air path shape can be provided.

Further, since a plurality of slits are provided on the protection surface of the blowout portion protection device, the slits are formed on the surface to which the air is blown, so that the ventilation is improved and the condensation formed on the blowout portion protection device is prevented. Thus, it is possible to prevent the blowout part protection device from deteriorating.

[Brief description of the drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of FIG.

FIG. 3 is an exploded perspective view of a main part of FIG.

FIG. 4 is an operation explanatory view of FIG. 1;

FIG. 5 is a longitudinal sectional view of a main part according to a second embodiment of the present invention.

FIG. 6 is a perspective view of a main part of FIG.

FIG. 7 is a longitudinal sectional view of a main part according to a third embodiment of the present invention.

8 is a perspective view of a main part of FIG.

FIG. 9 is a front view and a longitudinal sectional view of a main part of a conventional air conditioner.

[Description of Signs] 1 indoor unit, 2 suction grill, 3 blowout grill, 6 indoor heat exchanger, 7 electric heater, 8 blowout section protection device, 9 opening, 10 protection surface, 10a
First folded surface, 10b Second folded surface, 11
a, 11b Leg surface, 17 slits.

Claims (3)

[Claims] An air conditioner provided with a suction port and a discharge port, a heat exchanger, an electric heater disposed between the discharge port and the heat exchanger, and the like. An air conditioner, comprising a blow-off portion protection device, which is formed of a metal plate having a U-shape and is attached to the heat exchanger so that the opening is oriented substantially vertically, in the vicinity of the blow-out opening. 2. The protection device according to claim 1, wherein a lower protection surface of the blow-off portion protection device is bent toward the heat exchanger and an upper protection surface is bent toward the blow-out opening so that the protection surface has a substantially S-shaped cross section. The air conditioner according to claim 1, wherein 3. The air conditioner according to claim 1, wherein a plurality of slits are provided on a protection surface of the blowout part protection device.