JP2013149508A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner capable of easily turning on/off a power supply switch by operating a key top attached to a knob provided on the power supply switch from the outside of a front surface panel, and preventing the falling-away or the coming-off of the key top.SOLUTION: A switch case 23 is equipped with an opening facing a knob 211 and a space A, and a claw 237 near the opening and on a switch body 210 side. A key top 30 is equipped with a pair of clipping portions 31 inserted from the opening to clip the knob 211, an operating portion 32 capable of sliding in a lateral direction along the opening integrally with the clipping portions 31, and a flange 33 on the switch body 210 side of the operating portion 32. The flange 33 is hooked to the claw 237 so as to slide in the lateral direction, and installed with a front surface panel 11 equipped with an operation window 110 which is smaller than the operating portion 32 and exposes a part of the operating portion 32. The operating portion 32 is held by the operation window 110.

Description

  The present invention relates to a power switch provided in a housing of an indoor unit of an air conditioner.

  Conventionally, when an air conditioner is not used for the purpose of saving power consumption, the indoor unit's power plug has been unplugged from the power outlet, but the power outlet is not always in a place where it can be easily plugged in and unplugged. Is not limited. For this reason, there is known a power switch that turns on and off the main power of the indoor unit instead of providing a power switch in the housing of the indoor unit of the air conditioner and inserting and removing the power plug of the indoor unit. As an example of an indoor unit provided with this type of power switch, an indoor unit in which the power switch is attached to a mounting part provided in front of the electrical component box and the mounting part is covered with a front panel provided in the housing. (For example, see Patent Document 1). The power switch provided in the indoor unit protrudes from the front surface of the main body of the power switch, and includes a knob for operating the power switch. The knob protrudes directly from an opening formed in the front panel.

  In an indoor unit configured in this way, the main power supply can be easily turned on and off by operating the knob provided on the power switch from the outside of the front panel without plugging or unplugging the power plug of the indoor unit from the power outlet. It can be done.

  However, since the knob provided on the power switch protrudes directly from the opening formed in the front panel, it does not match the appearance of the front panel, and the appearance of the indoor unit is impaired, or the insertion hole and Depending on the shape of the knob, there is a problem that the direction in which the user operates the knob is not known. In order to solve the problems of damaging the aesthetics of such indoor units and not knowing the direction of operating the knob, attach a key top to the knob provided on the power switch to match the appearance of the front panel. It is conceivable that the direction in which the knob is operated can be known.

  However, simply attaching the key top to the knob provided on the power switch faces the lower side of the front panel, that is, the lower side of the indoor unit. There is a problem that it may come off during the operation.

JP 2001-173988 A

  In view of the above problems, the present invention allows the power switch to be easily turned on / off by operating the key top attached to the knob provided on the power switch from the outside of the front panel, and the key top falls off. An object of the present invention is to provide an air conditioner that can be prevented from coming off or coming off.

  In order to solve the above problems, the air conditioner of the present invention is provided with a main body including a front panel and a switch unit for turning on and off the main power supply of the indoor unit. The switch unit includes a power switch composed of a slide-type knob and a switch body, and a switch case that houses the power switch. The switch case is formed in a box shape including a bottom surface, a top surface, a lower side surface, an upper side surface, a left side surface, and a right side surface. The switch case has a space in which the knob can slide. The space is formed between a side surface of the switch body having the knob and a lower side surface of the switch case facing the side surface having the knob. The switch case has an opening formed on the top surface so as to face the knob and the space, and the switch body is arranged at a position different from the opening, and stands on the switch body side near the opening from the top surface toward the front panel. And claw to be installed. A key top for operating the switch unit from the outside is provided in the opening. The key top includes a holding part that is inserted from the opening and holds the knob, an operation part that is formed to be slidable along the opening integrally with the holding part, and a flange that is formed on the switch body side of the operation part. ing. The flange is slidably hooked on the claw. The front panel includes an operation window for exposing a part of the operation unit smaller than the surface area of the operation unit. A switch unit is mounted below the front of the main unit. A front panel is mounted, the flange and the claws are covered with the front panel, and the operation unit is held by the operation window.

  According to the air conditioner of the present invention, the switch case has an opening formed on the top surface so as to face the knob and the space, and the switch body is arranged at a position different from the opening, and is close to the switch body side near the opening. The keytop is inserted from the opening and holds the knob, and the operation is formed so as to be slidable along the opening integrally with the holding part. And a flange formed on the switch body side of the operation unit, and the flange is slidably hooked on the claw. Furthermore, a front panel having an operation window for exposing a part of the operation unit smaller than the surface area of the operation unit is mounted, the flange and the claw are covered with the front panel, and the operation unit is held by the operation window. Yes. Because of this structure, the power switch can be easily turned on and off by operating the key top that holds the knob provided on the power switch from the outside of the front panel. Can be prevented from coming off or coming off.

It is an external appearance perspective view which shows the air conditioner by this invention. It is a fragmentary perspective view which shows the state which removed the opening / closing panel and front panel of the air conditioner. It is principal part sectional drawing which shows the state which removed the opening / closing panel and electrical component box of the air conditioner. It is a disassembled perspective view for demonstrating the state which clamps the knob of a power switch with a keytop. It is a disassembled perspective view for demonstrating the state which clamps the knob of a power switch with a keytop. It is a principal part expanded sectional view which shows the switch unit vicinity of an air conditioner.

  Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. The air conditioner according to the present invention is a wall-mounted indoor unit 1 as shown in FIGS. 1 to 3, and includes a main body 10 including a front panel 11 and a base 12, and a main power supply of the indoor unit 1. A switch unit 20 is provided. The front panel 11 is attached to the base 12 and covers the base 12 and the electrical component box 13 attached to the top of the base 12. Components such as the heat exchanger 14, the cross flow fan 15, and the up / down wind direction plate 16 are attached to the inside of the base 12.

  The switch unit 20 is formed in a box shape and is attached to the lower side of the front surface of the base 12 provided in the main body 10. A mounting portion 120 for mounting the switch unit 20 is formed below the front surface of the base 12. The mounting portion 120 includes a bottom surface 121 parallel to the front panel 11 and two claws 122 and 123 extending perpendicularly from the bottom surface 121. The switch unit 20 is attached to the mounting portion 120 with the bottom surface side of the switch unit 20 in contact with the bottom surface 121 and the top surface side of the switch unit 20 hooked on the two claws 122 and 123. The switch unit 20 has a rectangular parallelepiped shape. For this reason, the top surface of the switch unit 20 is also parallel to the front panel 11.

  The switch unit 20 is provided with a key top 30 for operating the switch unit 20 from the outside. The key top 30 is partially exposed from an operation window 110 formed below the front surface of the front panel 11 so that the key top 30 can be operated from the outside of the front panel 11. By operating the key top 30, a power switch (described later) disposed inside the switch unit 20 is turned on and off.

  Next, the switch unit 20 attached to the attachment part 120 of the base 12 which is a characteristic part of the present invention and the structure in the vicinity of the switch unit 20 will be specifically described with reference to FIGS. 2 and 4 to 6. As shown in FIGS. 4 to 6, the switch unit 20 includes a rectangular parallelepiped switch body 210, a sliding knob 211 that protrudes from the lower side surface 210 a of the switch body 210 and slides in the left-right direction of the switch body 210, and a switch The power switch 21 configured with a connection terminal 212 protruding from the upper side surface 210b of the main body 210, the cable 22 with a connection terminal 220 connected to the connection terminal 212 at one end, and the power switch 21 and the cable 22 are accommodated. A box-shaped switch case 23 is provided.

The power switch 21 turns on / off the main power supply of the indoor unit 1. By turning off the power switch 21, the supply of AC 100V power to the indoor unit 1 through the cable 22 is cut off, so that power consumption can be saved. It has become.
As shown in FIGS. 5 and 6, the switch case 23 includes a case C1 that forms a bottom surface 230, a lower side surface 231, an upper side surface 232, a left side surface 233, and a right side surface 234, and a ceiling that covers the open end of the case C1. It is comprised with the cover C2 which forms the surface 235. FIG. In the switch case 23, the knob 211 of the power switch 21, the switch body 210, the connection terminal 212, and the cable 22 are sequentially arranged between the bottom surface 230 and the top surface 235 from the lower side surface 231 to the upper side surface 232. Yes. As shown in FIGS. 2 and 5, the cable 22 is drawn out from an outlet 238 formed in the switch case 23.

  The switch case 23 has a space A in which the knob 211 can slide in the left-right direction and a space B in which the cable 22 can be accommodated. The space A is formed between the lower side surface 210a having the knob 211 of the switch body 210 and the lower side surface 231 of the switch case 23 facing the lower side surface 210a. The space B is formed between the upper side surface 210b having the connection terminal 212 of the switch body 210 and the upper side surface 232 of the switch case 23 facing the upper side surface 210b. On the top surface 235 of the switch case 23, as shown in FIGS. 5 and 6, a rectangular opening 236 extending in the left-right direction so as to face the knob 211 and the space A is formed. The switch body 210 is disposed on the space B side as viewed from the opening 236 at a position different from the opening 236 of the switch case 23. Further, on the top surface 235 of the switch case 23, an L-shaped claw 237 is formed on the switch body 210 side in the vicinity of the opening 236 so as to stand from the top surface 235 toward the front panel 11. The claw 237 faces in the direction toward the opening 236.

  As shown in FIG. 6, the key top 30 has a pair of clamping portions 31 that are inserted from the opening 236 and clamp the knob 211 when the switch unit 20 is attached to the base 12 and the front panel 11 is attached to the base 12. An operation portion 32 formed integrally with the clamping portion 31 so as to be slidable in the left-right direction along the opening 236, a flange 33 formed on the switch body 210 side of the operation portion 32, and a front panel of the operation portion 32 11 and a protrusion 34 that is actually operated by the user. The clamping unit 31 clamps the knob 211 from a direction orthogonal to the knob 211. The operation unit 32 is formed to be orthogonal to the clamping unit 31 in a direction along the top surface 235 of the switch case 23. As shown in FIGS. 1 and 6, the protrusion 34 is a protrusion extending in the vertical direction from the operation portion 32, and protrudes perpendicularly to the operation window 110. For this reason, it can be understood that the user can pick up the protrusion 34 and slide in the left-right direction.

  The flange 33 formed on the operation unit 32 is hooked on a claw 237 formed on the top surface 235 of the switch case 23 so as to be slidable in the left-right direction. A slit 35 is formed inside the flange 33 on the switch body 210 side of the operation unit 32. By forming the slit 35, the flange 33 is easily bent, and the flange 33 is easily hooked on the claw 237 in a state where the knob 211 is held by the holding portion 31.

  The operation window 110 provided on the front panel 11 is a window smaller than the surface area of the operation unit 32, and as shown in FIG. 6, the switch unit 20 is attached to the base 12, and the front panel 11 is attached to the base 12. When attached, the operation unit 32 is held by the operation window 110. In a state where the operation unit 32 is held by the operation window 110, the claw 237, the flange 33, and the slit 35 are covered with the front panel 11 without being exposed from the operation window 110. The protrusion 34 is exposed at a height along the outer surface of the front panel 11 from the operation window 110. As described above, the claws 237, the flange 33, and the slit 35 are covered with the front panel 11, and the protrusions 34 are exposed from the operation window 110, so that the aesthetic appearance of the indoor unit 1 is not impaired when viewed from the outside of the front panel 11. The user can operate the operation unit 32 without making a mistake in the sliding direction. In addition, the power switch 21 can be easily turned on / off from the outside of the front panel 20 by grasping the protrusion 34 exposed in the operation window 110 and sliding it in the left-right direction.

  As shown in FIGS. 5 and 6, the switch case 23 includes a resin case C10 and a sheet metal case C11 that covers the resin case C10. A cover C2 of the switch case 23 includes: It is comprised from the resin cover C20 and the sheet metal cover C21 which covers the resin cover C20 except the keytop 30 periphery. As described above, the switch case 23 has a double structure in which the resin is covered with a sheet metal, prevents dust and water droplets from entering the switch case 23, and protects the power switch 21 and the cable 22. Yes.

  According to the air conditioner of the present invention described above, the switch case 23 includes the opening 236 formed so as to face the knob 211 and the space A, and the claw 237 formed on the switch body 210 side in the vicinity of the opening 236. And. The key top 30 includes a pair of sandwiching portions 31 that are inserted from the opening 236 and sandwich the knob 211, an operation portion 32 that is formed integrally with the sandwiching portion 31 so as to be slidable in the left-right direction, and an operation portion 32 and a flange 33 formed on the switch body 210 side. The flange 33 is hooked on the claw 237 so as to be slidable in the left-right direction. Further, the front panel 11 having an operation window 110 for exposing a part of the operation unit 32 smaller than the surface area of the operation unit 32 is mounted, and the flange 33 and the claws 237 are covered with the front panel 11 and the operation is performed. The unit 32 is held by the operation window 110.

  With the structure described above, the key top 30 attached to the switch unit 20 is exposed from the front panel 11, so that the key top 30 that holds the knob 211 provided on the power switch 21 is operated from the outside of the front panel 11. By doing so, the power switch 21 can be easily turned on and off, and the key top 30 can be prevented from falling off or coming off. As a specific effect, since the flange 33 is hooked to the claw 237 so as to be slidable in the left-right direction and the knob 211 is clamped by the clamping unit 31, the front panel 11 is mounted. Even without this, the key top 30 can be prevented from falling off. Further, since the flange 33 and the claw 237 are covered with the front panel 11 and the operation portion 32 is held by the operation window 110, the key top 30 can be removed or the key top can be removed without impairing the appearance of the front panel 11. It is possible to prevent the key top 30 from being detached during the operation of 30.

  In the present embodiment, a claw 237 is formed on the switch body 210 side in the vicinity of the opening 236 on the top surface 235 of the switch case 23, and a flange is formed on the switch body 210 side of the operation unit 32 provided in the key top 30. However, the present invention is not limited to this, and a claw is formed on the top surface 235 of the switch case 23 in the vicinity of the opening 236 on the side opposite to the switch main body 210 side. A flange may be formed on the side opposite to the switch body 210 side of the operation unit 32. Further, a claw and a flange may be formed on both sides of the switch body 210 and the opposite side.

  In the present embodiment, the switch unit 20 and the key top 30 provided on the switch unit 20 are stored in a small space between the front panel 11 and the base 12, so that the power switch 21 provided in the switch unit 20 is provided. The knob 211 is clamped by the clamping part 31 provided in the key top 30 from the direction orthogonal to the knob 211. However, the present invention is not limited to this, and there is a space between the front panel 11 and the base 12. In this case, the knob may be clamped by the clamping portion provided in the key top from the axial direction of the knob of the power switch provided in the switch unit.

DESCRIPTION OF SYMBOLS 1 Indoor unit 10 Main body 11 Front panel 110 Operation window 12 Base 120 Mounting part 121 Bottom 122, 123 Claw 13 Electrical component box 14 Heat exchanger 15 Cross flow fan 16 Vertical wind direction plate 20 Switch unit 21 Power switch 210 Switch main body 210a Lower side 210b Upper side surface 211 Knob 212 Connection terminal 22 Cable 220 Connection terminal 23 Switch case 230 Bottom surface 231 Lower side surface 232 Upper side surface 233 Left side surface 234 Right side surface 235 Top surface 236 Opening 237 Claw 238 Exit 30 Key top 31 Holding portion 32 Operation portion 33 Flange 34 Projection 35 Slit A, B Space C1 Case C10 Resin Case C11 Sheet Metal Case C2 Cover C20 Resin Cover C21 Sheet Metal Cover

Claims (1)

An air conditioner provided with a main body having a front panel and a switch unit for turning on and off the main power of the indoor unit,
The switch unit includes a power switch composed of a slide-type knob and a switch body, and a switch case that houses the power switch.
The switch case is formed in a box shape including a bottom surface, a top surface, a lower side surface, an upper side surface, a left side surface, and a right side surface,
The switch case has a space in which the knob can slide,
The space is formed between a side surface of the switch body having the knob and a lower side surface of the switch case facing the side surface having the knob.
The switch case has an opening formed on the top surface so as to face the knob and the space, and the switch main body is arranged at a position different from the opening, and the switch main body side in the vicinity of the opening A claw erected from the top surface toward the front panel,
The opening is provided with a key top for operating the switch unit from the outside,
The key top includes a clamping part that is inserted from the opening and clamps the knob, an operation part that is formed to be slidable along the opening integrally with the clamping part, and on the switch body side of the operation part. With a formed flange,
The flange is slidably hooked on the claw,
The front panel includes an operation window for exposing a part of the operation unit smaller than a surface area of the operation unit,
The switch unit is attached below the front surface of the main body,
The air conditioner, wherein the front panel is mounted, the flange and the claw are covered with the front panel, and the operation unit is held by the operation window.

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