JP4530072B2 - Operation terminal - Google Patents

Description

  The present invention relates to an operation terminal used in a remote monitoring control system.

  Conventionally, a remote monitoring and control system using a time division multiplex transmission signal has been provided (see, for example, Patent Document 1). FIG. 28 shows a schematic configuration of this type of remote monitoring control system.

  This remote monitoring control system includes a transmission control unit CU and a plurality of (two in FIG. 28) operation terminals 1 and a plurality of operation terminals 1 that are branched and connected to the transmission control unit CU via two-wire signal lines Ls. And two control terminals RU (in FIG. 28).

  Each operation terminal device 1 is provided with at least one control switch (four in FIG. 28) having a push button handle portion 51 that is pushed by a pushing force from the front.

  Each control terminal RU has at least one relay (not shown) inserted in a power supply path to a load (not shown) such as a lighting fixture or a ventilation fan, and by turning on and off the relay. Control load on / off.

  Individual addresses are set for each control switch and each load (strictly, each relay). The addresses that can be used in the entire system are, for example, a total of 256 addresses, each of 64 channels numbered from 0 to 63 and four circuits numbered from 1 to 4, respectively. For example, the number is expressed as 63-3.

  The transmission control unit CU sends a transmission signal Vs having the format shown in FIG. 29A to the signal line Ls. That is, the transmission signal Vs controls the synchronization signal SY indicating the start of signal transmission, the mode data MD indicating the mode of the transmission signal Vs, the address data AD for calling the operation terminal 1 and the control terminal RU, and the load. Bipolarity (±) consisting of control data CD, checksum data CS for detecting transmission errors, and signal return engine WT which is a time slot for receiving return signals (monitoring data) from operation terminal 1 and control terminal RU 24V) time-division multiplexed signal, and data is transmitted by pulse width modulation as shown in FIG. In each operation terminal 1 and each control terminal RU, when the address data AD transmitted by the transmission signal Vs received via the signal line Ls matches the preset address, the control data CD is obtained from the transmission signal Vs. At the same time, the monitoring data is returned as a current mode signal (a signal transmitted by short-circuiting the signal line Ls via an appropriate low impedance) in the signal return period WT of the transmission signal Vs.

  When data is transmitted from the transmission control unit CU to a desired operation terminal 1 or control terminal RU, the mode data MD is set as the control mode, and the address of the operation terminal 1 or the control terminal RU is set as the address data AD. If the transmission signal Vs is transmitted and this transmission signal Vs is transmitted to the signal line Ls, the operation terminal 1 or the control terminal RU matching the address data AD receives the control data CD, and the monitoring data is transmitted in the signal reply period WT. Send back. The transmission control unit CU confirms that the control data CD has been transmitted to the desired operation terminal unit 1 or control terminal unit RU according to the relationship between the transmitted control data CD and the monitoring data received during the signal return period WT. The control terminal RU outputs a load control signal for controlling the load L according to the received control data CD, and the operation terminal 1 outputs a display signal for performing an operation confirmation display of the load L according to the received control data CD. To do.

  On the other hand, the transmission control unit CU normally sends a transmission signal Vs in which the mode data MD is a dummy mode at regular time intervals (referred to as constant polling). In this case, access is made to a certain control terminal RU, a response of monitoring data indicating the load state is requested, and the connected load state is received as monitoring data from the accessed control terminal RU. It returns to the transmission control unit CU. The transmission control unit CU that has received this reply accesses the address of the operation terminal 1 having a corresponding relationship with the control terminal RU and displays the state of the load 4 connected to the corresponding control terminal RU. The control data CD is transmitted from the transmission control device.

  In this way, in the constant polling, the operation of accessing the address of the control terminal RU and the operation terminal 1 having a correspondence relationship with the control terminal RU is cyclically repeated.

  When transmitting any information to the transmission control unit CU under constant polling, an interrupt signal Vi as shown in FIG. 29 (c) is generated in synchronization with the synchronization signal SY of the transmission signal Vs in the dummy mode. Let At this time, the operation terminal 1 sets an interrupt flag to prepare for subsequent information exchange with the transmission control unit CU. When the transmission control unit CU receives the interrupt signal Vi, the mode data MD is set to the interrupt polling mode and the upper half of the address data AD (the upper 4 bits if the address data AD is 8 bits) is sequentially increased. On the other hand, in the operation terminal 1 that has transmitted the transmission signal and generated the interrupt signal Vi, the upper 4 bits of the address data AD of the transmission signal in the interrupt polling mode are the upper 4 bits of the address set in the operation terminal 1 When it matches, the lower 4 bits of the address are returned to the transmission control unit CU in the signal return period WT. In this way, the transmission control unit CU searches for 16 operation terminals 1 that have generated the interrupt signal Vi one by one, so that the operation terminal 1 can be found in a relatively short time.

  When the transmission control unit CU acquires the address of the operation terminal 1 that has generated the interrupt signal Vi, the mode data MD is set to the monitoring mode, and the transmission signal Vs having the acquired address data AD is sent to the signal line Ls. In response to this transmission signal Vs, the operating terminal 1 returns information to be transmitted in the signal reply period WT. Finally, the transmission control unit CU sends a signal instructing an interrupt reset to the operation terminal 1 that has generated the interrupt signal Vi, and cancels the interrupt flag of the operation terminal 1. As described above, information transmission from the operation terminal unit 1 to the transmission control unit CU is performed by four signal transmissions from the transmission control unit CU to the operation terminal unit 1 (dummy mode, interrupt polling mode, monitoring mode, Complete). When the transmission control unit CU tries to know the desired operating state of the control terminal RU, it is only necessary to send a transmission signal in which the mode data MD is set to the monitoring mode.

  When the push button handle portion 51 is pushed by any of the control switches, the operation terminal device 1 controls transmission of monitoring data including information on the address set in the control switch that has pushed the push button handle portion 51. In response to the device CU, the transmission control device CU transmits the transmission signal Vs including the control data CD generated based on the monitoring data to the control terminal RU, and the control terminal RU transmits the transmission signal Vs in the transmitted transmission signal Vs. The load is controlled according to the control data CD. The control terminal RU that controlled the load returns the monitoring data to the transmission control unit CU. The transmission control unit CU transmits the transmission signal including the control data CD for displaying the operation state based on the returned monitoring data. Vs is generated and transmitted to the operation terminal 1. In response to this transmission signal Vs, the operating terminal 1 turns on / off the light emitting unit that displays the operating state of the load. The light emitting part is made of a light emitting element (not shown) such as a light emitting diode and a light-transmitting material, and is exposed on the front surface of the operation terminal 1 as shown in FIGS. 30 to 32. A light guide 41 that emits light forward.

  As shown in FIG. 30, the operation terminal 1 has one light emitting part (light guide part 41) for each control switch (push button handle part 51), as shown in FIG. 31 and FIG. Some switches (push button handle portion 51) have two light emitting portions (light guide portions 41). The two light emitting units emit one light emitting unit during a period in which the load is on (for example, the upper side in the example of FIG. 31 and the right side in the example of FIG. 32), and during the period in which the load is off. The other (for example, the upper side in the example of FIG. 31, the left side in the example of FIG. 32) emits light in different operating states.

31 and 32 is provided with a signal window 62b for inputting an optical signal from an address setter (not shown) for setting the address of the control switch. ing.
JP 11-008950 A

  When two light emitting units are provided as shown in FIGS. 31 and 32, for example, the light color of the light emitting unit that emits light when the load is on is red, and the light color of the light emitting unit that emits light when the load is off is green. As described above, it is general that the light colors are different between the light emitting units that emit light in different operating states. However, it may be difficult for a person with color blindness to identify the light color as described above, and in particular, two light emitting units corresponding to the same control switch (push button handle unit 51) as in the example of FIG. When the (light guide portions 41) are arranged close to each other, there is a problem that it is difficult to identify the operation state of the load.

  In addition, the above problem is alleviated if the distance between the two light emitting units (light guide units 41) corresponding to the same control switch (push button handle unit 51) is increased as in the example of FIG. In the example of 32, since the direction in which the four control switches are arranged and the direction in which each light emitting unit is arranged with respect to the corresponding control switch are both in the vertical direction, the correspondence relationship between the control switch and the light emitting unit is It was hard to understand. That is, for example, like the second light emitting unit (light guide unit 41) from the top in the example of FIG. 32, the light emitting unit sandwiched by the control switch (push button handle unit 51) up and down as viewed from the front is the upper control. It was difficult to understand at a glance whether it corresponds to the switch or the lower control switch.

  The present invention has been made in view of the above reasons, and its purpose is to improve visibility even for people with color blindness, and the correspondence relationship between the light emitting unit and the control switch. It is to provide an easy-to-understand operation terminal.

The invention of claim 1 comprises an operation terminal having a control switch and a unique address set for each control switch, a control terminal connected to a load and set with a unique address for each load, an operation terminal, Monitoring received from the operation terminal when the control switch is operated by transmitting and receiving a transmission signal by the time division multiplexing transmission method between the operation terminal and the control terminal via the signal line to which the control terminal is branched and connected. Transmission control for generating control data for controlling the load based on the data and transmitting the control data to the control terminal connected with the load related by the preset relation data for the operated control switch And a plurality of control switches each having a push button handle portion for receiving a pressing force from the front. And a communication unit that is connected to the signal line and transmits monitoring data to the transmission control device, and information on an address set in the control switch when the push button handle unit is pushed in any of the control switches. A control unit that generates monitoring data and controls the communication unit to transmit the monitoring data to the transmission control device, and a load that is provided in one-to-one correspondence with the control switch and is related to the corresponding control switch by the relation data A plurality of on-light emitting units controlled by the control unit to emit light when the is in an on state, and a load provided in a one-to-one correspondence with the control switch and related to the corresponding control switch by relationship data And a plurality of off-light emitting units controlled by the control unit to emit light when in the off state. A switch, a communication unit, each on-light-emitting unit, and each off-light-emitting unit, and a housing fixed to the construction surface, and at least half of the control switches are arranged side by side in the vertical direction. The light emitting units are arranged in such a manner that the push button handle portion of the corresponding control switch is sandwiched from the left and right when viewed from the front with the off light emitting unit corresponding to the same control switch, and the front surface of each light emitting unit is respectively The push button handle portion of the corresponding control switch protrudes forward from the front surface .

According to the present invention, the distance between the on light-emitting part and the off light-emitting part can be increased compared to the case where the on-light emitting part and the off-light emitting part are arranged on the same side of the control switch. Therefore, it is not necessary to distinguish between the light emitting part and the off light emitting part according to the light emission color, so that it is possible to improve visibility even for a person with color blindness. In addition, it is easier to understand the correspondence between the light emitting units and the control switches than when the light emitting units are arranged at positions corresponding to the corresponding control switches in the vertical direction. Further, erroneous operation of the control switch caused by pressing an object larger than the push button handle portion from the front is prevented by the light emitting portion.

According to a second aspect of the present invention, in the first aspect of the present invention, the number of control switches is eight, and four control switches are arranged in the vertical direction and two columns are arranged in the horizontal direction.

  According to this invention, compared with the case where eight control switches are arranged side by side in a straight line, an erroneous operation can be suppressed by increasing the interval between the control switches.

According to the first aspect of the present invention, each of the on-light emitting units is arranged in such a manner that the push button handle portion of the corresponding control switch is sandwiched from the left and right when viewed from the front with respect to the off-light emitting unit corresponding to the same control switch. Therefore, the distance between the on-light emitting portion and the off-light emitting portion can be increased compared to the case where the on-light emitting portion and the off-light emitting portion are arranged on the same side of the control switch. Since it is not necessary to distinguish the light emitting part from the light emission color, it is possible to improve visibility even for a person with color vision abnormality. In addition, it is easier to understand the correspondence between the light emitting units and the control switches than when the light emitting units are arranged at positions corresponding to the corresponding control switches in the vertical direction. Furthermore, since the front surface of each light emitting unit protrudes forward from the front surface of the push button handle portion of the corresponding control switch, an erroneous operation of the control switch due to an object that is larger than the push button handle portion being pressed from the front. This is prevented by the light emitting part.

According to the second aspect of the present invention, there are eight control switches, which are arranged in four rows in the vertical direction and in two rows in the left-right direction, so that compared with the case where eight control switches are arranged in a straight line. Further, it is possible to suppress erroneous operation by increasing the interval between the control switches.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  This embodiment is an operation terminal used by connecting to the signal line Ls in the remote monitoring and control system described with reference to FIG. 28 and FIGS. 29A to 29C, and is shown in FIGS. As described above, the communication unit 11 that is connected to the signal line Ls and receives the transmission signal Vs and transmits the interrupt signal Vi and the monitoring data, and each of the push button switches, each of which is individually set with an address, has a push button handle unit 51 described later. 8 switch bodies 21 (only one is shown in FIG. 2) constituting a control switch together with one of them, and each switch body 21 corresponding to one switch body 21 made of, for example, a light emitting diode. The operation state of the load that is provided two by one and constitutes a light emitting unit together with each one of the light guide units 41 to be described later, and is related to the corresponding switch main body 21 by the relation data. 16 in accordance with the light emission state (only one is shown in FIG. 2), and the communication unit 11 according to the transmission signal Vs received by the communication unit 11 and the operation input received by the switch body 21. And a control unit 12 for controlling each light emitting element 22. Further, in the present embodiment, two optical communication units 13 that transmit and receive optical signals using, for example, infrared light as a medium with an address setting unit (not shown) for setting the address of the switch body 21. (Only one is shown in FIG. 2). The control unit 12 has a memory (not shown) in which the address of each switch body 21 is stored. When the optical communication unit 13 receives an optical signal indicating the address of the switch body 21, In response to the signal, the address of each switch body 21 stored in the memory is rewritten. That is, the address of each switch body 21 is set in the control unit 12 by the optical signal to the optical communication unit 13.

  Each circuit component of the communication unit 11, the optical communication unit 13, and the control unit 12, and each switch body 21 and each light emitting element 22 are mounted on the printed wiring board 20 shown in FIG. is doing. Hereinafter, the vertical direction is based on FIG. 3, and the upper left-lower right direction in FIG. 3 is referred to as the left-right direction, and the lower left-upper right direction in FIG. That is, the thickness direction of the printed wiring board 20 is referred to as the front-rear direction.

  The switch body 21 is arranged in four rows in the vertical direction and two rows in the left-right direction.

  Each optical communication unit 13 includes a light emitting / receiving unit 23 in which, for example, a communication light emitting element that transmits an optical signal using infrared light as a medium and a light receiving element that converts an optical signal into an electrical signal are arranged side by side. And a drive circuit (not shown) for driving the communication light emitting element and a signal processing circuit (not shown) for performing signal processing such as amplification and noise removal on the output of the light receiving element. Since such an optical communication unit 13 can be realized by a known technique, detailed illustration and description thereof are omitted. The two light emitting / receiving sections 23 are provided side by side on the lower side of the switch main body 21, and each of the light receiving / emitting sections 23 is positioned below the four switch main bodies 21. Here, the address setter described above is a specification that can set the address of up to four control switches at a time, and the upper side of the light emitting / receiving unit 23 is determined by the optical signal input to the light emitting / receiving unit 23. The addresses of the four switch bodies 21 are set respectively.

  Here, for each switch body 21, the corresponding two light emitting elements 22 are provided so as to sandwich the switch body 21 from the left and right. Further, the two light emitting elements 22 described above are light colors such that the light color of the left light emitting element 22 of the switch body 21 is green and the light color of the right light emitting element 22 of the switch body 21 is red. Are different from each other. Then, the control unit 14 turns on the right side light emitting element 22 among the light emitting elements 22 corresponding to the switch main body 21 during the period when the load related to the switch main body 21 by the relation data is in the ON state. In the period in which the light emitting element 22 of the light emitting element 22 corresponding to the switch main body 21 is turned off and the load related to the switch main body 21 by the relational data is in the off state, Each light emitting element 22 is controlled so that the element 22 is turned off and the left light emitting element 22 is turned on. That is, the right light-emitting element 22 constitutes an on-light emitting unit in the claims together with a light guide unit 41 described later, and the left light-emitting element 22 constitutes an off-light emitting unit in the claims together with the light guide unit 41 described later.

  Since the communication unit 11 and the control unit 12 can be realized by a well-known technique, detailed illustration and description are omitted.

  Furthermore, this embodiment is provided with a housing 3 that houses a printed wiring board 20 as shown in FIG. The housing 3 includes a rectangular parallelepiped body 31 having an open front surface and a cover 32 that is flat in the front and rear direction and mechanically coupled to the body 31 so as to close the opening on the front surface of the body 31. Each of the body 31 and the cover 32 is made of a synthetic resin molded product, for example. The left and right walls of the body 31 are each provided with a coupling piece 31a projecting forward in the vertical direction at the front end portion, and a long coupling hole 31b extending vertically in the rear end portion of each coupling piece 31a. ing. Further, on both the left and right side surfaces of the cover 32, coupling grooves 32a that are open on both the front and rear sides are provided, and on the bottom surface of each coupling groove 32a, coupling claws 32b that are vertically long project outwardly in the left-right direction. In addition, one coupling piece 31a is introduced into each coupling groove 32a, and the coupling claw 32b engages with the coupling hole 31b, whereby the body 31 and the cover 32 are mechanically coupled.

  A pair of screw terminals 33 is held at the upper end of the bottom surface of the body 31, and one of the pair of signal lines Ls is connected to each screw terminal 33 from the rear side, and one end is a communication unit. An electric wire (not shown) connected to 11 is connected from the front side. That is, the communication unit 11 is connected to the signal line Ls via the electric wire and the screw terminal 33. Each screw terminal 33 is integrated with a terminal plate 33a having a screw hole penetrating in the front-rear direction and held in the body 31 by fitting, for example, and a washer that sandwiches the signal line Ls between the terminal plate 33a. It consists of a terminal screw 33b screwed into a screw hole of the terminal plate 33a.

  Further, the cover 32 is formed in a shape in which a large-angle continuous type mounting frame defined in JIS C 8304 is integrated. That is, the upper and lower ends of the cover 32 are provided with mounting portions 32c that protrude outward in the vertical direction from the body 31 and are used for fixing the housing 3 to a construction surface (not shown) such as a wall surface. . In each attachment portion 32c, a box hole 32d is inserted in the center portion into the front and rear, each having a long hole shape that is elongated to the left and right, and through which a box screw that is screwed into an embedded box (not shown) embedded in the construction surface is inserted. It is penetrated by. Further, on each of the left and right sides of the box hole 32d in each mounting portion 32c, a clamp (not shown) that clamps the panel material with the mounting portion 32c when the construction surface is formed of the panel material, respectively. A hooking hole 32e for hooking and locking is provided through the front and rear. Further, plate holes 32f through which screws for attaching plates (not shown) are respectively inserted are provided in the front and rear at positions on the outer sides of the box holes 32d in the respective attachment portions 32c. . Further, in each attachment portion 32c, on both the left and right sides of the plate hole 32f, direct attachment holes 32g through which direct attachment screws that are screwed into the construction surface are inserted are provided.

  The cover 32 holds four light guide members 4 made of synthetic resin each having translucency and elastically deformable, arranged side by side. As shown in FIG. 5, each of the light guide members 4 is provided side by side on the left and right, and each light guide member 4 is positioned on the front side of each of the light emitting elements 22 to guide the light of the light emitting elements 22 forward. The light part 41 has a flat shape with the thickness direction directed in the front-rear direction, and a main body part 42 provided between the four light guide parts 41. In each light guide member 4, each light guide portion 41 protrudes in the front and rear sides from the main body portion 42, and the main body portion 42 protrudes in the upper and lower sides from each light guide portion 41. On the front surface of the cover 32, four concave portions 32 h each having a rectangular shape that is long on the left and right and accommodating the main body portion 42 of each light guide member 4 are provided side by side. Insertion holes 32 i through which the respective light guide portions 41 of the light guide member 4 are inserted are provided in the front and rear of the bottom surfaces of the respective recesses 32 h. Further, in each light guide member 4, two engaging portions 43 are provided to project rearward from the upper and lower end portions of the main body portion 42. Each engaging portion 43 is provided with an engaging claw 43a projecting outward in the vertical direction, and the portion of the engaging portion 43 after the engaging claw 43a on the outer surface in the vertical direction is rearward. The inclined surface is inclined inward in the vertical direction. In addition, engagement grooves 32j opened in the front-rear direction are provided at four locations corresponding to the engagement portions 43 on the inner peripheral surface of the insertion hole 32i. When attaching the light guide member 4 to the cover 32, as shown in FIG. 6, the main body 42 is pushed into the recess 32h so that the engaging claws 43a are introduced into the engaging grooves 32j from the front. Then, each engaging portion 43 is elastically deformed so as to displace the rear end portion downward while bringing the inclined surface into sliding contact with the inner surface of the engaging groove 32j. Eventually, when each engaging claw 43a reaches the rear side of the rear opening surface on the rear side of the insertion hole 32i, each engaging portion 43 is elastically restored as shown in FIG. 7, and each engaging claw 43a covers each cover. Enter the rear side of 32. That is, each engaging portion 43 engages with the cover 32 (housing 3). As described above, in a state where each engaging portion 43 is engaged with the cover 32, displacement of the light guide member 4 to the front of the cover 32 is prevented by the engagement of each engaging portion 43, and to the rear of the cover 32. The light guide member 4 is held with respect to the cover 32 by preventing the main body portion 42 from coming into contact with the bottom surface of the recess 32 h. Further, the displacement (rattle) of the light guide member 4 in the vertical and horizontal directions with respect to the cover 32 is caused by the contact of the main body 42 with the inner peripheral surface of the recess 32h and the engagement portions with the inner surfaces of the respective engagement grooves 32j. 43 is prevented by contact.

  Further, the cover 32 is provided with two push button handle members each having four push button handle portions 51 that are located on the front side of each switch body 21 and transmit a push force from the front to the push buttons of the switch body 21. 5 are held side by side. Each push button handle member 5 is made of a material having elasticity such as a synthetic resin, for example, and as shown in FIG. The two push button handle portions 51 are supported by two spring portions 53 that support the main body portion 52 so as to be displaceable back and forth. In other words, the upper push button handle member 5 corresponds to the four switch bodies 21 in the upper two rows, and the lower push button handle member 5 corresponds to the four switch bodies 21 in the lower two rows. is there.

  In each push button handle member 5, two engagement holes 52 a are arranged vertically at the center of the main body 52 so as to penetrate in the front-rear direction. As shown in FIG. 9, on the rear surface of the cover 32, an engagement convex portion 32k is projected rearward at a position corresponding to the engagement hole 52a of the pushbutton handle member 5, and each pushbutton handle member 5 is As shown in FIG. 10, each of the two engaging projections 32 k is inserted into the engagement hole 52 a and each engaging projection 32 k is engaged with the main body 52, thereby being fixed to the cover 32. Yes.

  Further, in each pushbutton handle member 5, the main body portion 52 is positioned between the pushbutton handle portion 51 when viewed from the front (ie, at the center in the left-right direction of the four light guide portions arranged side by side). The display partition walls 54 protrude backward from the upper and lower ends of the rear surface of the main body 52, respectively. The rear end of each display partition 54 protrudes rearward from the rear end of the light guide portion 41. Here, as indicated by an arrow A <b> 1 in FIG. 11, one of the two light emitting elements 22 in the center in the left-right direction is guided at the other front side of the two light emitting elements 22. When the light is incident on the part 41, the light guide part 41 appears to emit light when viewed from the front, so that it may be misunderstood as if the other of the two light emitting elements 22 emits light. is there. On the other hand, in the present embodiment, the display partition 54 suppresses the erroneous light incident on the light guide portion 41 from the light emitting element 22 as described above.

  Each push button handle portion 51 has a rectangular shape that is long to the left and right when viewed from the front, and has a front surface protruding forward from the front surface of the main body portion 52 and the spring portion 53, and a vertical direction from the rear end portion of the push button main body 51a. Each has a flange 51b projecting from both sides, and a pressing portion 51c projecting rearward from the center of the rear surface of the push button body 51a and facing the push button of the switch body 21. That is, when the front surface of the push button body 51a is pushed and the spring portion 53 is elastically deformed and the push button handle portion 51 is displaced rearward, the push button of the switch body 21 is pushed by the rear surface of the push portion 51c. The light guide member 4 is provided with two push button insertion holes 40 through which the push button main body 51a of the push button handle portion 51 is inserted from the rear, and the push button main body 51a has a cover. 32 is inserted through the insertion hole 32 h of the light guide 32 and the push button insertion hole 40 of the light guide member 4 so that the front surface protrudes forward from the front surface of the housing 3. Each flange 51b has a shape provided with a cutout so as to avoid the engaging portion 43 of the light guide member 4. Here, the front surface of the push button main body 51a (that is, the front surface of the push button handle portion 51) has a curved shape in which a central portion in the left-right direction is recessed rearward from both end portions in the left-right direction. Further, in the state where the push button handle portion 51 is not receiving a pushing force from the front and the spring portion 53 is not elastically deformed, as shown in FIG. 12, the front and rear positions of the front surfaces of the respective light guide portions 41 are respectively push button handles. The front and rear positions of the left and right ends of the front surface of the portion 51 are substantially coincident with each other, that is, the front surface of each light guide portion 41 is positioned forward of the front surface of the push button handle portion 51. As a result, even if an object M such as furniture, which is larger than the push button handle portion 51, is pressed from the front, the object M is prevented from moving backward by contacting the light guide portion 41, and the push button handle portion. Since 51 is not pressed, the erroneous operation by the object M as described above is suppressed. The opposing surfaces of the push button handle portion 51 and the light guide portion 41 are planes parallel to the front-rear direction, which is the displacement direction of the push button handle portion 51 with respect to the housing 3, and each of the push button insertion holes 40 is interposed therebetween. The distance between the two light guide portions 41 is slightly larger than the left and right dimensions of the main body portion 51a of the push button handle portion 51. That is, in the present embodiment, the push button handle 51 is sandwiched between the inner surface of the insertion hole 32h in the vertical direction and the light guide 41 in the left and right directions, so that the push button handle 51 slides back and forth with respect to the housing 3. For example, rattling of the push button handle portion 51 is suppressed compared to the case where the front end of the light guide portion 41 is positioned rearward of the front end of the push button handle portion 51 when the push operation is not performed. Has been.

  Further, at the lower end of the cover 32, three rectangular window holes 32 l that are long on the left and right are arranged side by side on the left and right. The central window hole 32l is positioned at the center of the cover 32 in the left-right direction, and the left and right window holes 32l are positioned below the four push button handle portions 51 arranged vertically. The left light emitting / receiving unit 23 is located behind the left window hole 32l, and the right light emitting / receiving unit 23 is located behind the right window hole 32l. An optical signal enters through one window hole 32l provided on the front side. In addition, a signal partition wall 32m protrudes rearward from each other around the rear opening of each window hole 32l. The signal partition wall 32m prevents, for example, an optical signal incident from the left window hole 32l from entering the right light emitting / receiving unit 23.

  In addition, a rectangular decorative cover 6 that covers up to the vertical position of the box hole 32d when viewed from the front can be detachably attached to the front side of the housing 3. The decorative cover 6 includes a cover main body 61 attached to the front side of the cover 32 and a front cover 62 detachably coupled to the front side of the cover main body 61 so as to cover the cover main body 61 when viewed from the front. Each of the cover main body 61 and the front cover 62 is made of a synthetic resin molded product, for example. The coupling of the cover main body 61 to the cover 32 and the coupling of the front cover 62 to the cover main body 61 can be realized by a well-known technique such as uneven engagement.

  The decorative cover 6 will be described in detail. The cover main body 61 is provided with four rectangular insertion holes 61a communicating with one of the insertion holes 32i of the cover 32, respectively, arranged vertically and penetrating back and forth. Below the insertion hole 61a at the lower end, three rectangular window holes 61b that respectively communicate with one of the window holes 32l of the cover 32 are arranged side by side in the front-rear direction. The front cover 62 communicates with each of the insertion holes 61a of the cover main body 61, respectively, and the main body portion 51a of one push button handle portion 51 corresponding to one control switch and the two light guide portions 41. Are inserted in the front and rear, with four rows of rectangular insertion holes 62a inserted in the vertical direction and four rows in the vertical direction and two rows in the horizontal direction. In other words, in a state where the decorative cover 6 is attached to the housing 3, each push button handle portion 51 and each light guide portion 41 pass through the insertion hole 61 a of the cover body 61 and the insertion hole 62 a of the front cover 62, respectively. Projects forward from the front of the. Further, in the front cover 62, signals that are made of a transparent material so that optical signals inputted to and outputted from the light emitting and receiving unit 23 can be passed through two portions on the front side of the window holes 61b on both the left and right sides of the cover main body 61, respectively. A window portion 62b is provided. The address setting by the address setter is performed according to the switch body 21 (control switch) in which an address is set in the signal window 62b of the front cover 62 for the optical communication unit (not shown) of the address setter. This is performed by pressing against one of the signal windows 62b.

  Further, the decorative cover 6 holds a rectangular sheet-like name card 7 in which information on a load (that is, a load to be controlled) associated with the switch body 21 by the relation data is written. The name card 7 is made of, for example, paper. In the present embodiment, up to four name cards 7 can be used by sharing one name card 7 with two switch bodies 21 arranged side by side. More specifically, on the front surface of the cover main body 61, a card recess 61c opened leftward is provided above each insertion hole 61a, and each name card 7 is stored in the card recess 61c. Each of the name cards 7 is held by the decorative cover 6 by closing the card recess 61 c by the front cover 62. In addition, rectangular card window portions 62c made of a transparent material are provided at four locations on the front cover 62, which are the front side of the card recess 61c, and each name card held by the decorative cover 6 is provided. 7 is visible through the card window 62c. Further, a semicircular cutout 61d that is opened back and forth is provided at the left end of the bottom surface of each card recess 61c, and the name card 7 accommodated in the card recess 61c is removed from the card recess 61c. When taking out, the name card 7 can be easily taken out from the card recess 61c by placing a finger on the left end portion exposed rearward from the notch 61d in the name card 7.

  According to the above configuration, the light emitting element 22 constituting the ON light emitting part and the light emitting element 22 constituting the OFF light emitting part are arranged on different left and right sides of the switch body 21, so that the load on state and off state The state is displayed by the light emission of the light guide portions 41 on the left and right sides of the push button handle portion 51 when viewed from the front. Accordingly, the distance between the light guides 41 is increased as compared with the case where the light guide 41 for displaying the on state and the light guide 41 for displaying the off state are arranged on the same side of the push button handle 51. Therefore, it is not necessary to distinguish between the on-state display and the off-state display by the light color, so that it is possible to improve visibility even for a person with color blindness. In addition, the correspondence relationship between the light guide unit 41 and the push button handle unit 51 can be easily understood as compared with the case where the light guide units 41 are arranged in the vertical position with respect to the corresponding push button handle unit 51.

  Further, since the switch body 21 and the push button handle portion 51 are arranged in four rows in the vertical direction and two rows in the left and right direction, respectively, the switch body 21 and the push button as in the conventional example shown in FIG. Compared to the case where eight handle portions 51 are provided in a straight line, erroneous operation can be suppressed by increasing the interval between the push button handle portions 51.

  Further, by using the push button handle member 5 provided with the four push button handle portions 51, the number of parts is reduced as compared with the case where each push button handle portion 51 is configured as an individual part, thereby reducing the manufacturing cost. Reduction is possible. In this embodiment, the two push button handle members 5 provided with the four push button handle portions 51 are used as described above. However, as shown in FIGS. 13 and 14, eight push button handle portions 51 are provided. If one push button handle member 5 is used, the number of parts is further reduced, and the manufacturing cost can be further reduced.

  Further, the housing 3 and the cover body 61 of the decorative cover 6 of the present embodiment have control switches (that is, a set of the switch body 21 and the push button handle portion 51) arranged one above the other as shown in FIGS. It can be shared with four operation terminals 1. In the example of FIGS. 15 to 20, four push button handle members 5 each consisting of one push button handle portion 51 and one push button inserted between the two light guide portions 41 and the light guide portions 41, respectively. Four light guide members 4 having holes 40 are used. In any of the present embodiment and the examples of FIGS. 15 to 20, the insertion hole 32 i of the cover 32 is closed by the light guide member 4 and the push button handle member 5.

  Instead of holding each name card 7 on the decorative cover 6, as shown in FIGS. 21 to 23, four name card holding portions 32n each holding the name card 7 are provided in the housing 3, or FIG. As shown in FIG. 27, each light guide member 4 may be provided with a name card holding portion 44 for holding the name card 7. More specifically, in the example of FIGS. 21 to 23 and the example of FIGS. 24 to 27, the insertion hole 61 a and the light guide 41 are provided in place of the card recess 61 c in the cover body 61 of the decorative cover 6. Not only the push button handle portion 51 but also the name card 7 and the name card holding portions 32n and 44 can be inserted, and the name card is provided at each of the four positions on the front surface of the cover 32 above the insertion holes 32i. A cuboid-shaped pedestal convex portion 32o that abuts against the rear surface of the ridge 7 projects forward. Further, each of the name card holding portions 32n, 44 supports the name card 7 and supports a cross-section upward U-shaped support portion 32p, 44a that restricts the displacement of the name card 7 in the left-right direction, and the support portion 32p, The front walls 32q and 44b are provided respectively at the left and right ends of 44a and the rear surfaces thereof are located in front of the front surface of the pedestal convex portion 32o of the cover 32 so as to limit the forward displacement of the name card 7. That is, by introducing the name card 7 from above between the pedestal convex portion 32o of the cover 32 and the front walls 32q, 44a of the name card holding portions 32n, 44 as shown by an arrow A2 in FIGS. The name card 7 can be held against the housing 3. If the name card holding portions 32n and 44 are provided on the housing 3 and the light guide member 44 and the name cards 7 are held on the housing 3 as described above, the name covers 7 are held on the decorative cover 6, respectively. Compared to the case, the positional displacement of the name card 7 is less likely to occur when the decorative cover 6 is attached or detached.

It is a front view which shows embodiment of this invention. It is a block diagram which shows schematic structure same as the above. It is a disassembled perspective view which shows the same as the above. It is a front view which shows the state which removed the decorative cover in the same as the above. It is a perspective view which shows a light guide member same as the above. It is a perspective view which shows a light guide member and a cover same as the above. It is sectional drawing which shows the principal part of a state with the light guide member attached to the cover in the same as the above. (A) (b) is a perspective view which respectively shows the pushbutton handle member in the same, (a) shows the state seen from the front side, (b) shows the state seen from the rear side. It is a perspective view which shows a cover same as the above. It is a perspective view which shows the state in which the pushbutton handle member was attached to the cover in the same as the above. It is sectional drawing which shows the same as the above. It is a bottom view showing the same. (A) (b) is a perspective view which shows the pushbutton handle member in the modification example same as the above, respectively, (a) shows the state seen from the front side, (b) shows the state seen from the rear side. It is a perspective view which shows the state in which the pushbutton handle member was attached to the cover in the example of a change of FIG. It is a front view which shows the example which diverted some components same as the above and made four control switches. It is a disassembled perspective view which shows the example of FIG. It is a front view which shows the state which removed the decorative cover in the example of FIG. It is a perspective view which shows the light guide member of the example of FIG. It is a perspective view which shows the light guide member and cover of the example of FIG. It is a bottom view which shows the example of FIG. It is a disassembled perspective view which shows the example of a change which hold | maintained the name cover to the housing in the same as the above. It is a perspective view which shows the state which removed the makeup | decoration cover in the example of FIG. It is explanatory drawing which shows the method of hold | maintaining a name cover in the example of FIG. It is a disassembled perspective view which shows the example of a change which hold | maintained the name cover to the light guide member in the same as the above. It is a perspective view which shows the light guide member in the example of FIG. It is a perspective view which shows the state which removed the decorative cover in the example of FIG. It is explanatory drawing which shows the method of hold | maintaining a name cover in the example of FIG. It is explanatory drawing which shows schematic structure of a remote monitoring control system. It is explanatory drawing which shows an example of a transmission signal, (a) shows a data structure, (b) shows an example of a waveform, (c) shows an example of the waveform of an interrupt signal. It is a front view which shows an example of the conventional operation switch. It is a front view which shows another example of the conventional operation switch. It is a front view which shows another example of the conventional operation switch.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Operation terminal 3 Housing 11 Communication part 12 Control part 21 Switch main body 22 Light emitting element 41 Light guide part 51 Pushbutton handle part CU Transmission control apparatus Ls Signal line RU Control terminal

Claims (2)

An operation terminal having a control switch and having a unique address set for each control switch, a control terminal having a load connected and setting a unique address for each load, and the operation terminal and the control terminal are branched and connected. The transmission signal is exchanged by the time division multiplexing transmission method between the operation terminal and the control terminal via the signal line, and the load is controlled based on the monitoring data received from the operation terminal when the control switch is operated. And a transmission control device for generating control data and transmitting the control data to a control terminal connected to a load associated with preset relational data for the operated control switch. An operation terminal used in the system,
A plurality of control switches each having a push button handle for receiving a pressing force from the front;
A communication unit connected to the signal line and transmitting monitoring data to the transmission control device;
Control for generating monitoring data including address information set in the control switch and controlling the communication unit to transmit the monitoring data to the transmission control device when the push button handle is pressed in any of the control switches And
A plurality of on-light emitting units that are provided corresponding to the control switches on a one-to-one basis and that are controlled by the control unit to emit light when a load associated with the corresponding control switch by the relation data is in an on state;
A plurality of off-light-emitting units that are provided in a one-to-one correspondence with the control switches and that are controlled by the control unit to emit light when a load associated with the corresponding control switch by the relational data is in an off state. Prepared,
A housing that holds the control unit, holds each control switch, communication unit, each on light emitting unit, and each off light emitting unit, and is fixed to the construction surface,
At least half of the control switches are arranged in the vertical direction,
Each ON light emission part is arranged in such a manner that the push button handle part of the corresponding control switch is sandwiched from the left and right when viewed from the front, with the OFF light emission part corresponding to the same control switch ,
An operation terminal having a front surface of each light emitting portion protruding forward from a front surface of a push button handle portion of a corresponding control switch . The operation terminal according to claim 1 , wherein there are eight control switches, arranged in four rows in the vertical direction and in two rows in the horizontal direction .

Images