JP5282904B2 - Wall switch device - Google Patents

Description

  The present invention relates to a wall switch device including an electrode for a touch sensor that detects a touch operation.

  Conventionally, for example, in a facility such as an office or a store, a plurality of lighting devices installed in the facility are assigned to a plurality of lighting groups such as each floor and each area, and the lighting devices in each lighting group are collectively controlled. There is a lighting control system designed to monitor and manage.

  In such a lighting control system, a plurality of lighting control states such as ON / OFF of a plurality of lighting devices and dimming are controlled by a command from the main operating panel via a transmission line to a main operating panel that controls the entire system. A terminal switch, a wall switch device for manually operating the lighting control state of the lighting device, and the like are connected.

  The wall switch device includes a wall mounting support, a switch body mounted on the support, and the like. The support is used for mounting a general wiring device, and a pair of mounting holes for wall mounting are provided at the top and bottom, and a three-module size opening of the wiring device is located between the pair of mounting holes in the center. Is formed. Then, screws as fixing tools are inserted into the mounting holes, and the screws are fastened to fix the support to the wall. In addition, the switch body is provided with an operation portion that is fitted and attached to the opening in the center of the support, and a plurality of switches configured by a plurality of mechanical switches facing the operation surface that is the front surface of the operation portion. The part is arranged.

  And the terminal unit of the lighting group of the lighting device is assigned and set in advance corresponding to each switch unit of the wall switch device, and by operating the switch unit, a signal corresponding to the operation of the switch unit is sent to the switch body The lighting control state of the lighting device is controlled via the terminal unit of the lighting group that is transmitted to the main operation panel and received in advance by the main operation panel that has received the signal (for example, (See Patent Document 1).

Japanese Patent No. 3047333 (page 3-4, FIG. 1-5)

  However, in the switch device described above, the size of the operation portion of the switch body is limited to the size of the opening in the center of the support. There is a problem that the area of the switch portion becomes small and it is difficult to operate the switch portion. In addition, since a mechanical switch is used for the operation unit, there is a problem that a failure is likely to occur.

  Therefore, in recent years, there is a configuration in which a capacitive touch sensor electrode is used in place of the switch unit, and a plate-like operation unit having the touch sensor electrode on the front side is provided to be openable and closable with respect to the support. With such a configuration, a large operation surface can be obtained, so that operability is good and failure is unlikely to occur.

  However, in such a configuration, since the back side of the operation unit is close to or in contact with the front surface of the support in a state where the operation unit is closed with respect to the support, the electrostatic capacity due to a screw or the like for attaching the support There is a problem that the touch sensor electrode may erroneously detect this change as a touch operation.

  In this regard, for example, it may be possible to separate the touch sensor electrode and the screw by increasing the thickness of the operation unit, but in such a configuration, the thickness of the switch device increases more than necessary and the wall surface This is not preferable from the standpoint of design properties.

  This invention is made in view of such a point, and it aims at providing the wall switch apparatus which can suppress the misdetection in the electrode for touch sensors effectively, without enlarging thickness more than necessary.

  The wall switch device according to claim 1 is a support provided with a mounting hole for mounting to a fixed part by a fixing tool; and a size that covers the front side of the support including the mounting hole, and opens and closes with respect to the front side of the support A plate-shaped operation unit provided with a capacitive touch sensor electrode for detecting a touch operation at a position where it can be operated from the front side; an operation unit provided on a support and detected by the touch sensor electrode A control circuit unit capable of transmitting a signal corresponding to the touch operation to the outside; provided on the rear side of the operation unit, with the operation unit closed with respect to the support, on the end side of the fixture and on the touch sensor electrode side And an air layer partitioning recess for partitioning an air layer between them.

  The support can be attached to, for example, a wiring box as an attached portion installed on the wall surface, and a pair of attachment holes are usually provided on the upper and lower sides, but is not limited thereto.

  As the fixture, for example, a flat countersunk screw having a flat end is preferably used. However, a round countersunk screw or a truss screw having an end protruding in a spherical shape may be used.

  The operation portion is formed in a plate shape as a whole, for example, by interposing an electrode for a touch sensor such as a thin film-like flexible wiring board between a pair of plate bodies.

  For opening and closing the operation unit, a structure that opens and closes by being attachable to and detachable from the support may be used in addition to a structure that opens and closes by making the support pivotable about a shaft.

  For example, a connector for setting device connection that is exposed by opening the operation unit may be disposed in the control circuit unit. By connecting the setting device and the connector, the relationship between the operation unit and the function can be set.

  The air layer partition recess may be provided on the rear side of the operation unit, or may be provided so as to penetrate from the rear side to the front side of the operation unit. Furthermore, at least a part of the air layer partitioning recess may be provided as a cavity on the rear side of the operation unit.

  The wall switch device according to claim 2 is the wall switch device according to claim 1, wherein the air layer partition concave portion prevents interference with the end portion side of the fixture in a state where the operation portion is closed with respect to the support. The escape recess is provided with a plurality of air layer recesses provided in the escape recess so as to be narrower than the end side of the fixture.

  The escape recess is provided with a width that is larger than, for example, the mounting hole of the support.

  The air layer recesses are formed in a staggered pattern at the bottom of the escape recess, for example. A relatively large width dimension of the air layer recess is preferable because the air layer becomes relatively large.

  The air layer recess and the relief recess may communicate with each other or may be separated via a wall.

  The wall switch device according to claim 3 is the wall switch device according to claim 1 or 2, wherein the control circuit unit includes a capacitance changing unit whose capacitance changes when driven, and a touch sensor for the control circuit unit and the operation unit. Wiring for electrically connecting the electrodes for use inside the support, and a regulating portion for regulating the position of the wiring and separating the wiring from the capacitance changing portion of the control circuit portion.

  The capacitance changing unit is, for example, a display LED whose capacitance changes when switching on / off, but is not limited to this, and is a part of the control circuit unit that becomes a high voltage during driving, or A portion where a high-frequency signal flows may be used.

  For the wiring, for example, a film-like FPC or the like is used.

  The restriction unit may have any configuration as long as the wiring can be separated from the capacitance changing unit.

  According to a fourth aspect of the present invention, in the wall switch device according to the third aspect, the restricting portion has a rib that is inserted into a part of the control circuit portion and protrudes to contact the wiring.

  The restriction part having a rib means that, for example, the restriction part may be a rib itself, or a part of the restriction part may be a rib.

  A wall switch device according to a fifth aspect is the wall switch device according to the third or fourth aspect, wherein the restricting portion has a fixing member for fixing the wiring inside the support in a predetermined state.

  The restriction part having a fixing member means that, for example, the restriction part may be a fixing member itself, or a part of the restriction part may be a fixing member.

  The wall switch device according to claim 6 is the wall switch device according to any one of claims 3 to 5, wherein the control circuit unit is located on one side of the capacitance changing unit and is connected to the electrode for the touch sensor of the operation unit via the wiring. A signal system circuit that generates an operation signal corresponding to a touch operation detected through the touch sensor electrode and an operation signal that is located on the other side of the capacitance changing unit and is generated by the signal system circuit. And a transmission system circuit that transmits the data to the outside.

  The signal system circuit includes, for example, a microcomputer, and has a circuit configuration with relatively low voltage and relatively small capacitance change.

  The transmission circuit is connected to a transmission line for transmitting / receiving data indicated by, for example, a double pole (± 24V) time-division multiplexed signal, or performing Ethernet (registered trademark), power line communication, etc. Thus, the circuit configuration has a relatively large capacitance change.

  According to the wall switch device of the first aspect, the air layer is partitioned by the air layer partitioning recess between the end portion side of the fixture and the electrode side for the touch sensor in a state where the operation portion is closed with respect to the support. This reduces the sensitivity of the electrode for the touch sensor to the fixture with the operating portion closed with respect to the support, and does not increase the thickness of the operating portion more than necessary, for touch sensors caused by the fixture. False detection at the electrode can be effectively suppressed.

  According to the wall switch device according to claim 2, in addition to the effect of the wall switch device according to claim 1, interference with the end portion side of the fixture in a state where the operation portion is closed with respect to the support is prevented. By providing the relief recess wider than the end of the fixture, and by providing a plurality of air layer recesses narrower than the end of the fixture, for example, the end of the fixture is supported. Even if it is slightly floating with respect to the mounting hole, avoid the interference with the end of the fixture due to the escape recess, and use the air layer recess between the end of the fixture and the electrode side for the touch sensor. The air layer can be reliably partitioned.

  According to the wall switch device of the third aspect, in addition to the effect of the wall switch device according to the first or second aspect, the regulation of separating the position of the wiring and separating the wiring from the capacitance changing section of the control circuit section. For the touch sensor due to the capacitance change at the capacitance change portion, the touch sensor electrode makes it difficult for the touch sensor electrode to detect the change in capacitance due to the drive of the capacitance change portion through the wiring. False detection at the electrode can be effectively suppressed.

  According to the wall switch device of the fourth aspect, in addition to the effect of the wall switch device of the third aspect, the rib that is inserted into and protrudes through a part of the control circuit unit is brought into contact with the wiring, and the rib is used for wiring. Can be reliably separated from the capacitance changing portion.

  According to the wall switch device of the fifth aspect, in addition to the effect of the wall switch device of the third or fourth aspect, the wiring is fixed in a predetermined state inside the support by a fixing member, and the wiring is changed to the capacity changing portion. It is possible to ensure separation from each other.

  According to the wall switch device according to claim 6, in addition to the effect of the wall switch device according to any one of claims 3 to 5, the wall switch device is electrically connected to the wiring on one side of the capacitance changing portion of the control circuit portion. By arranging the signal system circuit and arranging the transmission system circuit on the other side of the capacity changing unit of the control circuit unit, the wiring is separated from the transmission system circuit having a larger capacity change than the signal system circuit, and this transmission is performed. It is possible to effectively suppress erroneous detection at the electrode for the touch sensor due to the capacitance change in the system circuit.

It is sectional drawing which expands and shows a part of wall switch apparatus which shows the 1st Embodiment of this invention. It is a rear view of the operation part of a wall switch apparatus same as the above. It is a perspective view of the decomposition | disassembly state of a wall switch apparatus same as the above. It is sectional drawing of the state which closed the operation part of the wall switch apparatus same as the above. It is sectional drawing of the state which open | released the operation part of the wall switch apparatus same as the above. It is a block diagram of the illumination control system using a wall switch apparatus same as the above. It is sectional drawing which expands and shows a part of wall switch apparatus which shows the 2nd Embodiment of this invention. It is sectional drawing of the state which closed the operation part of the wall switch apparatus which shows the 3rd Embodiment of this invention.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 to 6 show a first embodiment, FIG. 1 is an enlarged cross-sectional view of a part of a wall switch device, FIG. 2 is a rear view of an operation unit of the wall switch device, and FIG. 3 is a wall switch. FIG. 4 is a cross-sectional view of the wall switch device with the operation portion closed, FIG. 5 is a cross-sectional view of the wall switch device with the operation portion open, and FIG. 6 is a cross-sectional view of the wall switch device. It is the block diagram of the lighting control system which had.

  As shown in FIG. 6, a lighting control system 11 as a load control system controls lighting for each of a plurality of lighting groups such as each floor or each area in a facility such as an office or a store. The main operation panel 12, which is a central control device that is installed in the system and controls the entire system, is connected to the main operation panel 12 via a two-wire transmission line 13 in accordance with a command from the main operation panel 12. A plurality of terminals 15 for controlling the lighting control state such as on / off and dimming of the lighting device 14 as a load, and a plurality of wall switch devices 16 for manually operating the lighting control state of the lighting device 14 are connected so as to be able to transmit signals to each other. Has been.

  The transmission line 13 transmits / receives data indicated by, for example, a bipolar (± 24V) time division multiplexed signal, or performs Ethernet (registered trademark), power line communication, or the like.

  Each terminal device 15 has a unique address, and can transmit and receive signals transmitted to and from the main operation panel 12 using this address.

  In advance, a plurality of lighting devices 14 are assigned to each of a plurality of lighting groups via each terminal 15 and are registered in the main operation panel 12. The assignment of the lighting group can be arbitrarily set by a setting unit 17 connected to the wall switch device 16, for example.

  The wall switch device 16 has a unique address, and can manually operate the lighting control state of the lighting device 14 for each lighting group. Hereinafter, the vertical and horizontal directions are directions when viewed from the front side of the wall switch device 16 unless otherwise specified.

  The wall switch device 16 is configured to be screwed and installed in a wiring box as a mounted portion installed on the back side of the wall surface material through an installation hole provided in the wall surface material, although not shown. .

  As shown in FIGS. 1 to 5, the wall switch device 16 is disposed on the front side of the support 21, the wall-supporting support 21 that is screwed to the wiring box, the cover 22 that is attached to the rear side of the support 21. A control board 24 as a control circuit unit disposed inside the cover 22, an adapter (not shown) that is attached to the support 21 so as to cover the installation hole, and a plate that is a decorative frame.

  The support 21 is integrally formed of, for example, an insulating synthetic resin material, and has a flat front portion 28 that is long in the vertical direction. The upper and lower ends of the front portion 28 are fixed to a wiring box as a fixture. A pair of mounting holes 29 for screwing with the screws S are formed, and a pair of locking holes 30 for screwing the adapter are formed outside the mounting holes 29, and a plate is attached to the adapter. . Here, the screw S is integrally provided with a shaft portion Sa that is a long male screw portion and a head portion Sb that is formed at the end portion of the shaft portion Sa and has a larger width dimension than the shaft portion Sa. The screw S is preferably a flat head screw with a flat head Sb, but may be a round flat head screw or a truss screw with the head Sb protruding in a spherical shape.

  At the upper and lower ends of the right side, which is one side of the front part 28, a support part 32 having a support hole 31 that pivotally supports an operation part 23 that opens and closes with respect to the front face of the support 21 is projected. . In addition, the right side edge portion of the front surface portion 28 is formed with a concave curved rotation allowance portion 33 that escapes in order to prevent interference with the right side edge of the rotating operation portion 23. The position of the upper and lower support portions 32 is on the outer side in the vertical direction from the position of the upper and lower mounting holes 29 (hole center position).

  Further, the front portion 28 is formed with a plurality of display holes 34 arranged in the vertical direction at a position slightly to the left of the center, an insertion hole 35 is formed at the lower left position, and the left side edge portion of the operation portion 23 is formed. A locking recess 36 for locking is formed, and a wiring hole 37 is formed at the center in the vertical direction of the rotation allowing portion 33. At the edge of the wiring hole 37, a wiring pressing portion 38 protruding to the front side of the wiring hole 37 is formed, and a wiring support portion 39 protruding to the rear area of the wiring hole 37 is formed.

  A square frame 40 combined with the cover 22 is formed on the rear surface of the support 21 so as to project, and a plurality of locking claws 41 for locking the cover 22 combined from the frame 40 are provided. Further, although not shown, a reinforcing rib is formed on the rear surface of the support 21.

  The support 21 preferably has a predetermined thickness or more so as not to be deformed by tightening the screw S.

  The cover 22 is also referred to as a body, and is integrally formed in a box shape that opens to the front surface by, for example, an insulating synthetic resin material, and a plurality of peripheral portions are fitted inside the frame portion 40 of the support 21. The engaging pieces 43 and a plurality of locked portions 44 into which the locking claws 41 of the support 21 are fitted and locked are formed. A pair of terminal arrangement holes 45 in which terminals (not shown) for connecting the transmission line 13 are arranged are formed on the rear surface of the cover 22, and ribs 46 as restricting portions are formed to protrude forward. .

  Further, the operation unit 23 is formed to have a size that covers substantially the entire front part 28 including the upper and lower mounting holes 29 of the support 21, and includes a rear plate 49 that is a plate, a front plate 50 that is a plate, and The touch sensor electrode 51 is sandwiched between the rear plate 49 and the front plate 50, and is formed in a plate shape as a whole.

  The rear plate 49 is formed in, for example, an insulating synthetic resin material in a flat plate shape that is long in the vertical direction. A shaft portion 54 that is rotatably fitted in the support hole 31 of the support portion 32 is formed in the protrusion 53. In addition, an electrode mounting surface 55 to which the touch sensor electrode 51 is attached with a double-sided adhesive tape (not shown) is formed in the front right side area of the rear plate 49. It is formed in a longitudinal shape in the direction. Further, a plurality of display holes 57 are formed in the left front area of the rear plate 49 corresponding to each display hole 34 of the support 21 and a name plate mounting groove 58 in which a name plate (not shown) is arranged. Is formed. The name plate mounting groove 58 is opened on the left side surface of the rear plate 49, and the name plate can be attached and detached between the name plate mounting groove 58 of the rear plate 49 and the front plate 50 from the left direction.

  Further, the operating portion 23 is fitted into the locking recess 36 of the support 21 at the center in the vertical direction on the left side (right side in FIG. 2) of the rear surface of the rear plate 49 which is the rear side of the operating portion 23. A locking claw portion 59 is formed to protrude rearward. Further, air layer partition recesses 60 are formed in the vicinity of the upper and lower ends of the rear surface of the rear plate 49, respectively.

  The upper and lower air layer partition recesses 60 are formed at positions facing the upper and lower mounting holes 29 in a state where the operation portion 23 is closed with respect to the support 21. Each of the air layer partitioning recesses 60 includes a quadrangular relief recess 60a when viewed from the front and a plurality of circular air layer recesses 60b formed at the bottom of the escape recess 60a when viewed from the front. .

  The relief recess 60a has a width dimension and a vertical dimension larger than the attachment hole 29 and the head Sb of the screw S in a front view. That is, as shown by the solid line in FIG. 1, the relief recess 60a is in the air layer A between the head Sb side when the screw S is sufficiently tightened and the head Sb is fitted in the mounting hole 29. As shown by an imaginary line L in FIG. 1, when the head Sb is lifted from the mounting hole 29 when the screw S is not sufficiently tightened, the head Sb side can be inserted into the head Sb. ing.

  The air layer recesses 60b are staggered and spaced from each other at substantially equal intervals, and each width dimension is formed narrower than the head Sb of the screw S. That is, the head Sb of the screw S is not inserted into the air layer recess 60b. Accordingly, these air layer recesses 60b are configured to partition the air layer A between the head Sb side of the screw S and the touch sensor electrode 51 side. Here, as the air layer A is larger, the sensitivity on the touch sensor electrode 51 side can be relatively reduced, so the air layer recess 60b relatively increases the width of the air layer A. Thus, it is preferable to make the width dimension relatively large. That is, the air layer recess 60b can have any shape as long as the width dimension is as large as possible while being narrower than the head Sb of the screw S. It is preferable to form regularly so that the width of the air layer A does not differ depending on the position facing the portion Sb. The air layer recess 60b may be formed through the bottom of the escape recess 60a.

  In addition, the front plate 50 is formed in a transparent and insulating synthetic resin material in a flat plate shape that is long in the vertical direction, and a plurality of vertical switch regions 61 are provided in the right side area on the rear surface, for example, In the left side area of the rear surface, the area of the name part 62 is formed at the side part position of each switch part 61, for example, by silk printing. Each name portion 62 is transparent, and the name plate can be seen through, without being silk-printed at the position of the name plate disposed between the rear plate 49 and the display hole 57 of the rear plate 49. It is said.

  The touch sensor electrode 51 uses a capacitive touch sensor method, is composed of a thin-film flexible wiring board (FPC) 63, and is disposed on the electrode mounting surface 55 of the rear plate 49. The wiring portion 65 is a flexible wiring body that extends from the center of the right edge of the electrode portion 64 and is connected to the control board 24.

  In the electrode part 64, a plurality of electrodes 66 for touch operation detection are arranged in the vertical direction. The number of electrodes 66 is, for example, twelve. If there are four switch units 61, three electrodes 66 are assigned to each switch unit 61. These electrodes 66 detect a touch operation from the front side of the front plate 50. Therefore, the front surface of the front plate 50 is configured as a front operation surface 67. Further, the electrode portion 64 is attached to the rear plate 49 and the front plate 50 with double-sided adhesive tape, respectively, and the rear plate 49 and the front plate 50 are integrated with each other through the electrode portion 64 and the double-sided adhesive tape. Is retained.

  The wiring part 65 constitutes a part of the flexible wiring board 63, and a connector 69 that is electrically connected to the control board 24 is provided at the tip of the wiring part 65. The wiring portion 65 is disposed in the wiring hole portion 56 of the rear plate 49, the connector 69 and the wiring portion 65 are inserted into the wiring hole 37 of the support 21, and the connector 69 is connected to the control board 24. As shown in FIGS. 4 and 5, in the assembled state, the wiring portion 65 is housed so as to be bent between the support 21 and the control board 24, and is configured to be able to cope with opening and closing of the operation portion 23. In addition, movement (deformation) to the left in FIGS. 4 and 5 is restricted by the bent portion 65a coming into contact with the rib 46.

  Further, the control board 24 can be accommodated in the cover 22, and on the front surface is a connector 73 to which the connector 69 of the touch sensor electrode 51 is electrically connected, and the setting device 17 to be inserted from the insertion hole 35 of the support 21. A connector 74 for connecting a setting device to which a plug is electrically connected, and a plurality of display units serving as capacity changing portions that are sequentially arranged in a straight line along the vertical direction and inserted into each display hole 34 of the support 21 An LED 75, a microcomputer 76 that is a control / processing arithmetic unit, and the like are disposed, and a terminal (not shown) for connecting the transmission line 13 is disposed on the rear surface of the control board 24. Other electronic devices are omitted for convenience. Further, the control board 24 is formed with insertion holes 77 at the center positions in the vertical direction and the horizontal direction so that the front end side of the rib 46 of the cover 22 is inserted from the rear side and protrudes to the front side.

  In the control board 24, a signal system circuit 78 electrically connected to the touch sensor electrode 51 via the connector 73 is formed so as to be biased to the right side which is one side of the LED 75, and the transmission line 13 (FIG. 6) is connected via the terminal. A transmission system circuit 79 that is electrically connected to the LED 75 is biased to the left side, which is the other side of the LED 75.

  The signal system circuit 78 includes a connector 73 and a microcomputer 76, and generates an operation signal corresponding to the touch operation of the operation unit 23 detected by the touch sensor electrode 51 and is transmitted from the main operation panel 12 (FIG. 6). It has a function to receive and control the incoming address signal.

  The transmission system circuit 79 includes a connector 74 and the like, and has a function of transmitting an operation signal generated by the signal system circuit 78 to the main operation panel 12 through the transmission line 13 together with an address.

  The capacitance of the LED 75 changes when it is driven, that is, when it is switched on / off.

  Further, the plate (not shown) is formed in a rectangular frame shape, and an opening is formed in the central area so that the operation unit can be opened and closed.

  Then, when constructing the wall switch device 16, the transmission line 13 drawn into the wiring box installed on the wall surface material is connected to a terminal arranged on the rear side of the cover 22, and the cover 22 is connected to the wall surface. Inserted into the wiring box through the material installation hole, the upper and lower portions of the support 21 are brought into contact with the front surface of the wall surface material, and the shafts of the screws S and S are exposed through the mounting holes 29 and 29 exposed by opening the operation part 23 Screw parts Sa and Sa into the wiring box and fix them. Attach the plate to the support 21.

  The plug of the setting device 17 is connected to the connector 74 of the control board 24 through the insertion hole 35 of the support 21 exposed by opening the operation unit 23, and various settings are performed by the setting device 17. The setting items include, for example, the number of electrodes 66 of the flexible wiring board 63 assigned to each switch unit 61, the address setting of each switch unit 61, the assignment of the illumination group and each switch unit 61, and the like.

  After the setting by the setting device 17 is completed, the operation unit 23 is closed and the normal use state is set.

  Then, by touching the switch unit 61 with the operation unit 23 of the wall switch device 16, the touch operation is detected by the touch sensor electrode 51, and the operation signal is processed by the signal system circuit 78 of the control board 24. Thereafter, the data is transmitted to the main operation panel 12 together with the address of the switch unit 61 via the transmission system circuit 79. The main operation panel 12 receives various signals from the wall switch device 16 and transmits a signal together with an address to a terminal group 15 of a preset group, and the terminal device 15 of the corresponding group transmits the signal of the lighting device 14. For example, the lighting control state such as lighting, extinguishing or dimming is controlled. That is, the lighting control state of the lighting devices 14 of the group selected by manual operation of the wall switch device 16 can be changed. The manual operation state of the wall switch device 16 or the lighting control state of the group of lighting devices 14 is displayed by turning on or off the LED 75 or the like.

  Further, when the operation unit 23 is closed with respect to the support 21 when the operation unit 23 is opened or closed for setting operation, for example, the touch sensor electrode 51 approaches the other structural parts, so that the touch operation is performed. There is a risk of false detection. In order to reduce such false detection, the signal system circuit 78 detects an abnormality (false detection) when a plurality of input operations are detected by the touch sensor electrode 51, for example, for a very short predetermined time period or substantially simultaneously. Is detected and the detection state is canceled.

  The wall switch device 16 configured as described above has a touch sensor system that includes the touch sensor electrode 51 that detects the touch operation of the front operation surface 67 as the operation unit 23. In addition, since the operation portion 23 is sized to cover the front surface of the support 21 including the pair of upper and lower mounting holes 29, the front operation surface 67 has a larger area than the conventional operation surface. Each switch part 61 arranged in the can be enlarged, and the operability can be improved.

  In addition, even if the area of the front operation surface 67 of the operation unit 23 is increased, the operation unit 23 can be opened with respect to the front surface of the support 21, so that the mounting hole 29 of the support 21 and the control board 24 to which the setting device 17 is connected. The connector 74 can be accessed.

  In addition, since the touch sensor electrode 51 is electrically connected to the control board 24 by the wiring portion 65, the front operation surface 67 can be touch-operated even at the position where the operation portion 23 is opened, and the operability can be improved.

  And, since the capacitive touch sensor electrode 51 is used in the touch operation of the operation unit 23, the touch operation is detected by the capacitance change caused by the object close to the touch sensor electrode 51. If a dielectric such as the screw S approaches the touch sensor electrode 51 more than necessary, there is a risk of erroneous detection. On the other hand, when trying to separate the touch sensor electrode and the screw by increasing the thickness of the operation part, the thickness of the wall switch device 16 increases more than necessary, and the amount of protrusion from the wall surface increases, It is not preferable in terms of design properties. Therefore, the air layer A is partitioned by the air layer partitioning recess 60 between the head Sb side of the screw S and the touch sensor electrode 51 side in a state where the operation unit 23 is closed with respect to the support 21. The sensitivity of the touch sensor electrode 51 with respect to the screw S in a state where the operation unit 23 is closed with respect to the support 21 by the air layer A is intentionally reduced without increasing the thickness of the operation unit 23 and the like more than necessary. Further, erroneous detection at the touch sensor electrode 51 due to the screw S can be suppressed.

  Further, an escape recess 60a for preventing interference with the head Sb side of the screw S in a state where the operation portion 23 is closed with respect to the support 21 is provided wider than the head Sb side of the screw S, and the escape recess 60a. In addition, by providing a plurality of air layer recesses 60b narrower than the head Sb side of the screw S, the head of the screw S with the support 21 fixed, for example, as indicated by an imaginary line L in FIG. Even when the Sb side is slightly lifted with respect to the mounting hole 29 of the support 21 or when a round countersunk screw or truss screw with a head protruding in a spherical shape is used as the screw, the head of the screw S is formed by the relief recess 60a. While avoiding interference with the Sb side, the air layer A can be reliably partitioned between the head Sb side of the screw S and the touch sensor electrode 51 side by the air layer recess 60b.

  Further, the wiring portion 65 acts as a part of the touch sensor electrode 51 by being electrically connected to the touch sensor electrode 51. Also, considering the assembling property of the wall switch device 16, it is not preferable to make the wiring portion 65 shorter than necessary, and a certain amount of play occurs. May move inside the support 21 and the cover 22 and approach the LED 75 more than necessary. Therefore, by controlling the position (movement) of the wiring part 65 and providing the cover 46 with a rib 46 that separates the wiring part 65 and the LED 75 of the control board 24 by a predetermined distance, the LED 75 is driven (lit / extinguished). The touch sensor electrode 51 is less likely to be detected by the touch sensor electrode 51 via the wiring portion 65, and erroneous detection at the touch sensor electrode 51 due to the capacitance change at the LED 75 can be suppressed.

  Specifically, the rib 46 protruding through the insertion hole 77 of the control board 24 is brought into contact with the wiring portion 65, and the wiring portion 65 can be reliably separated from the LED 75 by the rib 46, and the wall When the switch device 16 is assembled, a process such as fixing the wiring portion 65 is not necessary, so that the manufacturing workability is not lowered.

  The signal system circuit 78 includes a microcomputer 76 and the like, and is driven at a relatively low voltage. The processing frequency is also a relatively low frequency, while the transmission system circuit 79 is a relatively high voltage. Since the frequency to be driven and processed is relatively high, the transmission system circuit 79 has a larger capacitance change than the signal system circuit 78. For this reason, the signal system circuit 78 is arranged on one side of the LED 75 of the control board 24 and the transmission system circuit 79 is arranged on the other side of the LED 75 of the control board 24, so that transmission with a larger capacitance change than the signal system circuit 78 is performed. By separating the wiring section 65 from the system circuit 79, erroneous detection at the touch sensor electrode 51 due to the capacitance change in the transmission system circuit 79 can be effectively suppressed.

  In the first embodiment, as in the second embodiment shown in FIG. 7, the air layer recess 60b is formed as a cavity inside the rear side of the rear plate 49, and this air layer An escape recess 60a may be formed at the rear of the recess 60b, and the recesses 60a and 60b may be separated via the wall 60c. Even with this configuration, the same operational effects as those of the first embodiment can be obtained.

  In each of the above embodiments, as in the third embodiment shown in FIG. 8, the wiring portion 65 is fixed to the support 21 or the cover 22 with an adhesive material 81 that is a fixing member as a restricting portion. Also good. In this case, it is possible to more effectively regulate the position of the wiring portion 65 by suppressing the movement of the bent portion 65a of the wiring portion 65 associated with opening / closing of the operation portion 23 or the like.

  Further, in each of the above-described embodiments, the support 21 may have a configuration having attachment holes in places other than the top and bottom. In this case, by forming the air layer partitioning concave portion 60 in the operation portion 23 at a position facing the mounting hole, the same operational effects as those of the above embodiments can be obtained.

  Furthermore, in addition to a structure that opens and closes by allowing the support 21 to pivot about the shaft as a fulcrum, a structure that opens and closes by attaching to and detaching from the support 21 may be used for opening and closing the operation unit 23. .

  The capacity changing unit is not limited to the LED 75, and may be a part of the control board 24 that becomes a high voltage during driving or a part through which a high-frequency signal flows.

  The restricting portion may have any configuration as long as the position of the wiring portion 65 can be restricted and separated from the capacitance changing portion.

  Furthermore, the switch unit 61 of the operation unit 23 is not limited to four, and can be applied to the wall switch device 16 having three, two, and one. In this case, instead of the front plate 50 corresponding to the number of the switch parts 61, the setting device 17 only sets the number of allocations of the electrodes 66 of the flexible wiring board 63 to each switch part 61, and other configurations can be used in common. . Regarding the setting, when there are four switch sections 61, three electrodes 66 are allocated, but when there are three switch sections 61, four electrodes 66 are allocated, and when there are two switch sections 61, electrodes are allocated. Six 66 are allocated, and when there is one switch unit 61, twelve electrodes 66 are allocated.

16 Wall switch device
21 Support
23 Operation unit
24 Control board as control circuit
29 Mounting hole
46 Ribs as regulatory parts
51 Touch sensor electrodes
60 Air layer compartment recess
60a relief recess
60b Air layer recess
65 Wiring section as wiring
75 LED as capacitance changing section
78 Signal system circuit
79 Transmission system circuit
81 Adhesive material that is a fixing member as a restricting part A Air layer S Screw as a fixing tool

Claims (6)

A support provided with a mounting hole for mounting to a fixed part with a fixture;
A plate that covers the front side of the support including the mounting holes and that can be opened and closed with respect to the front side of the support, and that is provided with a capacitive touch sensor electrode for detecting a touch operation at a position where it can be operated from the front side. An operation section having a shape;
A control circuit unit provided on the support and capable of transmitting a signal corresponding to the touch operation of the operation unit detected by the touch sensor electrode;
An air layer partitioning recess provided on the rear side of the operation unit and partitioning an air layer between the end side of the fixture and the electrode side for the touch sensor in a state where the operation unit is closed with respect to the support;
The wall switch apparatus characterized by comprising. Air layer compartment recess
An escape recess that prevents interference with the end of the fixture in a state in which the operating portion is closed with respect to the support;
The wall switch device according to claim 1, further comprising: a plurality of air layer recesses provided in the relief recess so as to be narrower than an end portion side of the fixture. The control circuit unit includes a capacitance changing unit whose capacitance changes when driven,
Wiring for electrically connecting the control circuit unit and the touch sensor electrode of the operation unit inside the support;
The wall switch device according to claim 1 or 2, further comprising a restricting portion that restricts a position of the wiring and separates the wiring from the capacitance changing portion of the control circuit portion. The wall switch device according to claim 3, wherein the restricting portion includes a rib that is inserted into a part of the control circuit portion and protrudes to contact the wiring. The wall switch device according to claim 3 or 4, wherein the restricting portion includes a fixing member that fixes the wiring inside the support in a predetermined state. The control circuit section
A signal system circuit that is located on one side of the capacitance changing unit and is electrically connected to the touch sensor electrode of the operation unit via a wiring, and generates an operation signal corresponding to the touch operation detected through the touch sensor electrode When,
6. A transmission system circuit that is located on the other side of the capacity changing unit and that processes an operation signal generated by the signal system circuit and transmits the processed signal to the outside. 6. The transmission system circuit according to claim 3, further comprising: Wall switch device.

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