JP5666878B2 - Infrared transmitter - Google Patents

Description

The present invention is, for example, relates to an infrared transmitter that utilizes the air-conditioning control systems and 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 provides an infrared transmitter that has a higher degree of freedom of mounting position than before and does not require changing the mounting position even when equipment is replaced. It is something to try.

To achieve the above object, the present onset Ming, the internal space of the main body case are arranged vertically two infrared LED on the front, the posture above the infrared LED is directed obliquely upward, the lower side of the infrared The LED is an infrared transmitter in which a swivel that is inclined obliquely downward is pivotable about the vertical direction, and a pair of knob walls are provided on the front of the swivel, and the two infrared LEDs Extending in the vertical direction so as to be sandwiched from both left and right sides, an upper shaft portion projecting upward is provided on the upper surface of the swivel base, and a lower shaft portion projecting downward is provided on the lower surface of the swivel stand, respectively. A restriction rib extends vertically on the front side of the shaft portion, and a shaft-side latch is provided around the base portion of the upper shaft portion with the meshing portion facing upward, while being provided on the body case side. Cylindrical shaft that can be inserted into the upper shaft portion A pair of restricting walls are provided on the inner peripheral surface of the portion so as to protrude from each other for a predetermined distance in the circumferential direction, and the shaft side latch can be engaged with the lower end surface of the bearing portion at a position facing the shaft side latch. A bearing-side latch is provided with a posture in which the meshing portion faces downward, and further, a coil spring that urges the swivel upward with respect to the main body case side is externally fitted to the lower shaft portion, While the turning posture of the swivel base is adjusted within a range in which the restriction rib contacts one of the restriction walls, the posture of the two infrared LEDs in the left-right direction can be adjusted, while the body case In addition, a window for exposing the infrared LED is opened, and a cover member made of synthetic resin having infrared transparency is detachably provided from the outside of the main body case so as to cover the window. .

According to the present invention, an infrared LED which is installed in a posture facing obliquely upward, with it has two infrared LED and infrared LED installed in a posture facing obliquely downward, of the two infrared LED The posture in the left-right direction 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.
Further, since the pair of knob walls are provided at positions where the infrared LED is sandwiched from both the left and right sides, the operator can adjust the turning posture of the swivel by holding the knob walls. Therefore, it is easy to adjust the turning posture of the turntable, and the mounting work can be further simplified.
Furthermore, a shaft-side latch is provided on the upper shaft portion and a bearing-side latch is provided on the bearing portion so that both latches are engaged, or a coil spring is externally fitted on the lower shaft portion so that the both platforms are engaged with each other. Since it is energized, the attitude of the infrared LED can be easily adjusted, and the adjusting mechanism can be easily configured, thereby reducing the cost and downsizing the structure. it can.
In addition, while providing a restriction rib on the upper shaft part of the swivel base, a pair of restriction walls is provided on the inner peripheral surface of the bearing part, and by allowing the movement of the restriction rib only between the restriction walls, A situation in which the vehicle turns too much can be prevented. Therefore, it is possible to further improve the usability.

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 provided with the infrared LEDs 5 and 6, and FIG. 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 of the upper bearing portion 20, the regulating rib 21. 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 turning 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 restriction rib 21 on the shaft portion 16 of the swivel base 7, a pair of restriction 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 (1)

In the internal space of the main body case, there is a swivel base in which two infrared LEDs are arranged vertically on the front, the upper infrared LED is oriented obliquely upward, and the lower infrared LED is oriented obliquely downward. An infrared transmitter provided so as to be pivotable about the vertical direction ,
On the front surface of the swivel base, while extending a pair of knob walls in the vertical direction so as to sandwich the two infrared LEDs from both the left and right sides,
An upper shaft portion that protrudes upward on the upper surface of the swivel base is provided, and a lower shaft portion that protrudes downward on the lower surface of the swivel stand is provided, and a regulating rib is provided to extend in the vertical direction on the front side of the upper shaft portion. In addition, a cylindrical bearing portion is provided around the base portion of the upper shaft portion in a posture in which the meshing portion is directed upward, and is provided on the main body case side and into which the upper shaft portion can be fitted. A bearing in which a pair of restricting walls project from the inner peripheral surface of the bearing portion at a predetermined interval in the circumferential direction, and the shaft side latch can be engaged with the lower end surface of the bearing portion at a position facing the shaft side latch. The side latch is installed in a posture with the meshing part facing downward,
Furthermore, a coil spring that urges the swivel upward with respect to the main body case side is externally fitted to the lower shaft portion,
While adjusting the turning posture of the swivel base within a range in which the restriction rib contacts either one of the restriction walls, the posture of the two infrared LEDs in the left-right direction can be adjusted,
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.

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