JP2012093058A - Infrared transmitter and mounting method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an infrared transmitter and a mounting method thereof which provide a higher degree of freedom for mounting positions than in conventional transmitters and methods and eliminates the need for changing the mounting positions even at device exchange.SOLUTION: Two infrared LEDs 5 and 6 facing each other in different directions are provided on a swivel base 7 which swivels around an axis in the horizontal direction. By adjusting the swivel posture of the swivel base 7, postures of the infrared LEDs 5 and 6 are adjustable according to the installed position of an air conditioner or the position of the signal receiving part in the air conditioner. In addition, a synthetic resin cover member 2 having infrared permeability is detachably provided from the front side of a front case 3.

Description

  The present invention relates to an infrared transmitter that is used, for example, in an air conditioner control system, and an attachment method for attaching the infrared transmitter to a wall surface or the like.

  Conventionally, for example, in an air conditioner control system, an infrared transmitter including an infrared LED as a signal transmitter is used as a remote controller for controlling the operation of an air conditioner (Patent Document 1). In general, the infrared transmitter is attached to a wall surface or the like in the room, and the infrared transmitter is used in the attached state.

JP 2008-309379 A

By the way, the light emitted from the infrared LED has a characteristic that the directivity is strong. Therefore, when the infrared transmitter is used as a remote controller, there is a problem that the installation position of the infrared transmitter is limited depending on the installation position of the air conditioner, the position of the signal receiving unit in the air conditioner, and the like.
In general, the position of the signal receiver in the air conditioner varies depending on the manufacturer and type of the air conditioner. Therefore, when the air conditioner is replaced, there is a problem that the installation position of the infrared transmitter has to be changed.

  Therefore, the present invention has been made in view of the above problems, and has a higher degree of freedom in the mounting position than in the past, and an infrared transmitter and an infrared ray that do not require changing the mounting position even when equipment is replaced. It is intended to provide a method for mounting the transmitter.

In order to achieve the above object, the invention according to claim 1 of the present invention is an infrared transmitter in which an infrared LED is housed in an internal space of a main body case, and the attitude of the infrared LED can be adjusted. While providing adjustment means, a window for exposing the infrared LED is opened in the main body case, and a cover member made of synthetic resin having infrared transparency is attached and detached from the outside of the main body case so as to cover the window. It is provided as possible.
According to a second aspect of the present invention, in the first aspect of the present invention, a swivel capable of swiveling around a predetermined axis is provided in the internal space of the main body case, and a plurality of the infrared rays are provided on the surface of the swivel. The LEDs are installed in different directions, and the orientation of the infrared LED can be adjusted by adjusting the turning posture of the swivel.
According to a third aspect of the present invention, in the second aspect of the present invention, the swivel base is provided with a meshing surface around each of the opposing surfaces of the shaft portion of the swivel base and the bearing portion supporting the shaft portion. An urging means for urging the mesh in a direction in which the meshing surfaces mesh with each other is provided.
Moreover, in order to achieve the said objective, invention of Claim 4 among this invention is the attachment method of the infrared transmitter which attaches the infrared transmitter in any one of Claims 1-3 to a mounting object surface. A first step of fixing the main body case to the attachment target surface with the infrared LED exposed in the window; and the posture of the infrared LED with the main body case fixed to the attachment target surface. A second step of adjusting and a third step of mounting the cover member so as to cover the window are performed.

According to the present invention, the adjusting means capable of adjusting the attitude of the infrared LED is provided, and the attitude of the infrared LED can be adjusted according to the installation position of the device and the position of the signal receiving unit in the device. Therefore, the degree of freedom of the installation position of the infrared transmitter in the room is high, and even when the equipment is exchanged, it is not necessary to change the installation position, and the usability is very good.
In addition, since the cover member made of synthetic resin having infrared transparency is provided so as to be removable from the outside of the main body case so as to cover the window established in the main body case, the infrared LED is fixed after the main body case is fixed to the mounting target surface. It is possible to adjust the posture of the lens, and the mounting operation can be performed very easily.
In addition, according to the inventions of claims 2 and 3, the attitude of the infrared LED can be easily adjusted, and the adjusting mechanism can be easily configured, reducing the cost and reducing the size of the structure. Can be achieved.

It is perspective explanatory drawing which showed the external appearance of the infrared transmitter. It is perspective explanatory drawing which showed the infrared rays transmitter in the state which removed the cover member. It is explanatory drawing which showed the infrared rays transmitter in the state which removed the front case. It is perspective explanatory drawing which showed the decomposition | disassembly state of the infrared rays transmitter. It is explanatory drawing which showed the front case from back. It is explanatory drawing which showed the principal part of the front case from the direction A in FIG. It is explanatory drawing of a cover member, Comprising: (a) is shown from the downward direction, (b) is each shown from back, (c) has shown the BB sectional view in (b). It is the isometric view explanatory drawing which showed the turntable provided with infrared LED. It is explanatory drawing which showed the upper partition plate. It is explanatory drawing which showed a mode that the turning attitude | position of a turntable was adjusted. It is explanatory drawing which showed the example of a change of an infrared rays transmitter.

  Hereinafter, an infrared transmitter and an infrared transmitter mounting method according to an embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective explanatory view showing the appearance of the infrared transmitter 1, and FIG. 2 is a perspective explanatory view showing the infrared transmitter 1 with the cover member 2 removed. 3 is an explanatory view showing the infrared transmitter 1 with the front case 3 removed, and FIG. 4 is a perspective explanatory view showing an exploded state of the infrared transmitter 1. As shown in FIG. FIG. 5 is an explanatory view showing the front case 3 from the rear, and FIG. 6 is an explanatory view showing the main part of the front case 3 from the direction A in FIG. FIGS. 7A and 7B are explanatory views of the cover member 2, in which FIG. 7A shows from below, FIG. 7B shows from the rear, and FIG. 7C shows a cross section taken along line BB in FIG. . FIG. 8 is an explanatory perspective view showing the swivel base 7 having the infrared LEDs 5 and 6, and FIG. 9 shows the upper partition plate 8 having a mechanism for maintaining the swivel base 7 in an arbitrary swiveling posture. FIG.

  The infrared transmitter 1 is attached to an indoor wall surface for remotely controlling an air conditioner, and includes a box-shaped rear case 4 having an open front surface and a front case 3 assembled to the front surface of the rear case 4. A swivel base 7 having infrared LEDs 5 and 6 is housed in an internal space of the main body case so as to be maintained in an arbitrary swiveling posture. The rear case 4 includes a box-shaped storage portion 4a that opens to the front surface and a flange portion 4b that is provided along the opening edge of the storage portion 4a. The storage portion 4a includes an upper partition plate 8 that will be described later. In addition, a screwing portion 10 for screwing the lower partition plate 9 is provided, and a substrate 36 for generating various signals transmitted from the infrared LEDs 5 and 6 can be accommodated. The flange 4b has screw holes 11 and 11 for screwing the upper partition plate 8 and the lower partition plate 9, and fixing holes 12 and 12 for screwing the rear case 4 to a switch box (not shown). Is provided.

  On the other hand, the front case 3 is a substantially plate-like cover body that is assembled so as to cover the front surface including the flange portion 4b of the rear case 4, and a circular window 13 is opened in the center. When assembled, the swivel base 7 is exposed in the window 13. Further, a cover member 2 made of a resin having infrared transparency is attached to the window 13. The cover member 2 is formed in a dome shape that bulges forward, and three locking claws 14, 14.. Each latching claw 14 is provided with a latching projection 14a. The cover member 2 as described above inserts the locking claws 14, 14... Into the window 13 from the front side of the front case 3, and rotates the locking claws 14, 14. It is attached to the front case 3 by being locked to the locked portions 15, 15. Therefore, the cover member 2 is detachable from the front case 3 in a state assembled to the rear case 4. When the locking claws 14 are locked to the locked portions 15, the locking protrusions 14 a of the locking claws 14 are hooked in the grooves 15 a of the locked portions 15, thereby The locked state to the locking portion 15, that is, the mounting state of the cover member 2 to the front case 3 is maintained.

  On the other hand, the swivel base 7 is formed by arranging infrared LEDs 5 and 6 side by side in front of a synthetic resin block body formed in a substantially rectangular parallelepiped shape, and the upper infrared LED 5 is in a posture facing obliquely upward, The lower infrared LED 6 is installed in a posture facing forward. Further, a guide plate 17 is provided between the infrared LED 5 and the infrared LED 6 as a guide when the infrared LEDs 5 and 6 are installed. Further, a pair of knob walls 18 and 18 are extended in the vertical direction so as to sandwich the infrared LEDs 5 and 6 from the left and right sides. Further, on the upper surface and the lower surface of the swivel base 7, shaft portions 16 and 19 are provided so as to protrude upward or downward, respectively. The upper shaft portion 16 is a cylindrical body that is pivotally supported by the upper bearing portion 20 of the upper partition plate 8, and on the front side of the outer peripheral surface thereof, a restriction rib 21 for restricting the turning motion of the swivel base 7 is vertically arranged. It extends in the direction. A shaft side latch 22 is provided around the shaft portion 16 at the base portion of the shaft portion 16 with the meshing portion facing upward. On the other hand, the lower shaft portion 19 is a cylindrical body that is pivotally supported by the lower bearing portion 23 of the lower partition plate 9, and a coil spring 24 for urging the swivel base 7 upward can be externally fitted thereto. Reference numeral 25 denotes an electric wire that is connected to the substrate 36 and causes the infrared LEDs 5 and 6 to emit light.

  The upper partition plate 8 is a plate-like body that is screwed so as to cover substantially the upper half of the front opening of the storage portion 4a, and screwed for screwing to the rear case 4 at both left and right ends. Portions 26 and 26 are provided. In addition, an upper bearing portion 20 for pivotally supporting the shaft portion 16 on the upper side of the swivel base 7 protrudes forward from the center portion of the upper partition plate 8. The upper bearing portion 20 is formed in a cylindrical shape into which the shaft portion 16 can be fitted from below. When the swivel base 7 is swung to 90 degrees on both the left and right sides, the regulating rib 21 is formed on the inner peripheral surface of the upper bearing portion 20. A pair of restricting walls 27, 27 for restricting further turning. Further, a bearing side latch 28 that can engage with the shaft side latch 22 at a position facing the shaft side latch 22 when the shaft portion 16 is pivotally supported on the lower end surface of the upper bearing portion 20 moves the engaging portion downward. It is installed in the state of facing. Reference numeral 29 denotes a screw hole for screwing to the rear case 4.

  Further, the lower partition plate 9 is a plate-like body that is screwed so as to cover substantially the lower half of the front opening of the storage portion 4a, and screwed to screw the rear case 4 at both left and right ends. Portions 30 and 30 are provided. The screwing portions 30, 30 are formed to be lifted forward, and are stacked in front of the screwing portions 26, 26 of the upper partition plate 8 when screwed to the rear case 4. . Further, a lower bearing portion 23 for projecting the lower shaft portion 19 of the swivel base 7 is projected forward at the center of the lower partition plate 9. The lower bearing portion 23 is formed in a cylindrical shape in which the shaft portion 19 to which the coil spring 24 is fitted can be fitted from above. Reference numeral 31 denotes a screw hole for screwing to the rear case 4.

Here, an assembling method and an attaching method to the wall surface of the infrared transmitter 1 composed of the above components will be described.
First, after various substrates are installed in the storage portion 4 a of the rear case 4, the upper partition plate 8 is screwed to the rear case 4. Next, the lower partition plate 9 is screwed to the rear case 4 while the swivel base 7 is sandwiched between the upper bearing portion 20 and the lower bearing portion 23. Then, the swivel base 7 is assembled to the rear case 4 so as to be turnable in the left-right direction about the vertical direction. In addition, as described above, the turnable range in the left-right direction is restricted by the restriction rib 21 and the restriction walls 27, 27. Further, since the swivel base 7 is biased upward by the coil spring 24, the meshed state of the shaft side latch 22 and the bearing side latch 28 can be maintained in an arbitrary swiveling posture. Then, after the rear case 4 is screwed to the switch box embedded in the wall surface, the front case 3 is assembled to the rear case 4. Thereafter, as shown in FIG. 10, the swivel base 7 is swung left and right while picking the knob walls 18 and 18 so that the infrared LED 5 or the infrared LED 6 is directed to the position of the air conditioner installation position or the signal receiving portion of the air conditioner. And adjust the turning posture. Then, finally, when the cover member 2 is attached to the window 13, the assembly and attachment of the infrared transmitter 1 are completed.

According to the infrared transmitter 1 having the above-described configuration, the two infrared LEDs 5 and 6 that are directed in different directions are installed on the turntable 7 that turns left and right about the vertical direction. By adjusting the turning posture of the base 7, the postures of the infrared LEDs 5 and 6 can be adjusted according to the installation position of the air conditioner and the position of the signal receiving unit in the air conditioner. Therefore, the degree of freedom of the mounting position of the infrared transmitter 1 in the room is high, and even when the air conditioner is replaced, it is not necessary to change the mounting position, and the usability is very good.
Further, the cover member 2 can be attached to the front case 3 from the front side. That is, since the cover member 2 can be mounted while the front case 3 is assembled to the rear case 4, the posture of the infrared LEDs 5 and 6 can be adjusted after the main body case is fixed to the wall surface. Work can be done very easily.

Furthermore, since the pair of knob walls 18 and 18 are provided at positions where the infrared LEDs 5 and 6 are sandwiched from both the left and right sides, the operator can adjust the turning posture of the turntable 7 by holding the knob walls 18 and 18. Can do. Therefore, it is easy to adjust the turning posture of the turntable 7, and the mounting work can be further simplified.
Furthermore, the shaft side latch 22 is provided on the swivel base 7, while the bearing side latch 28 is provided on the upper bearing portion 20 that supports the swivel base 7, and the shaft side latch 22 and the bearing side latch 28 are engaged with each other by the coil spring 24. With the configuration in which the swivel base 7 is urged in the direction in which the swivel is performed, the swivel base 7 can be maintained in an arbitrary swiveling posture. Therefore, the swivel base 7 can be maintained in a desired turning posture with a simple configuration, and cost reduction and downsizing of the structure can be achieved.
In addition, while providing the regulating rib 21 on the shaft portion 16 of the swivel base 7, a pair of regulating walls 27, 27 are provided on the inner peripheral surface of the upper bearing portion 20 of the upper partition plate 8 that supports the shaft portion 16. By allowing the movement of the restriction rib 21 only between the restriction walls 27, 27, it is possible to prevent the turntable 7 from turning too much. Therefore, it is possible to further improve the usability.

  The infrared transmitter and the method of attaching the infrared transmitter according to the present invention are not limited to the above embodiment, and the configuration for adjusting the shape of the front case, the direction of the infrared LED, and the infrared LED The configuration relating to the infrared transmitter, such as the number of the above, and the mounting position of the infrared transmitter can be appropriately changed as needed without departing from the spirit of the present invention.

  For example, a disk-shaped front case 35 as shown in FIG. 11 can be adopted as the front case. By adopting the front case 35, the rear case 4 is not necessarily parallel to the vertical direction of the wall surface (for example, in order to match the direction of the infrared LEDs 5 and 6) The front case 35 exposed from the wall surface is always in the same posture even when it is necessary to be installed at an angle, and there is an effect that it looks good when installed.

Further, a configuration in which the swivel base 7 is mounted so as to be pivotable in the vertical direction about the left-right direction can be employed, and the number of infrared LEDs is not limited to two in the above embodiment, and the infrared LEDs It is also possible to adopt a configuration in which the number is one and the posture can be adjusted vertically and horizontally.
Further, in the above embodiment, the infrared transmitter is used as a remote controller for the air conditioner control system, but as a remote controller for other systems (for example, a lighting control system, a ventilation fan control system, a toilet unit control system, a curtain control system, etc.). It is also possible to use it.
In addition, the mounting position of the infrared transmitter is not limited to the wall surface, and there is no problem even if it is mounted on the ceiling surface, the floor surface or the like.

  1 .... Infrared transmitter, 2 .... Cover member, 3, 35 ... Front case (main body case), 4.Rear case (main body case), 5, 6 .... Infrared LED, 7 .... Swivel table, 8. .. Upper partition plate, 9 .. Lower partition plate, 13 .. Window, 14 .. Locking claw, 14 a .. Locking projection, 15 .. Locked portion, 15 a. Shaft portion, 18 .. Picking wall, 20 .. Upper bearing portion, 21 .. Restriction rib, 22 .. Shaft side latch, 23 .. Lower bearing portion, 24 .. Coil spring, 27 .. Restriction wall, 36. substrate.

Claims (4)

An infrared transmitter in which an infrared LED is housed in the internal space of the main body case,
While providing an adjustment means capable of adjusting the posture of the infrared LED,
A window for exposing the infrared LED is opened in the main body case, and a cover member made of synthetic resin having infrared transparency is provided detachably from the outside of the main body case so as to cover the window. A featured infrared transmitter. In the internal space of the main body case, a swivel that can be swung around a predetermined axis is provided, and a plurality of the infrared LEDs are respectively installed in different directions on the surface of the swivel,
The infrared transmitter according to claim 1, wherein the position of the infrared LED can be adjusted by adjusting a turning posture of the swivel base.   Provided is an urging means for energizing the swivel base in a direction in which the meshing surfaces are meshed with each other while providing a meshing surface on each facing surface of the shaft part of the swivel base and the bearing part supporting the shaft part. The infrared transmitter according to claim 2. An infrared transmitter mounting method for mounting the infrared transmitter according to any one of claims 1 to 3 on a mounting target surface,
A first step of fixing the main body case to the attachment target surface with the infrared LED exposed in the window;
A second step of adjusting the posture of the infrared LED while fixing the main body case to the attachment target surface;
And a third step of mounting the cover member so as to cover the window.

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