JP3113264B2 - Selector switch terminal - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Industrial applications]

The present invention is: The present invention relates to a selector switch terminal for centrally controlling a large number of loads by providing a plurality of terminal units for receiving a transmission signal transmitted by time division multiplex transmission from a central control unit and monitoring switches.

[0002]

[Prior art]

FIG. 10 shows a schematic configuration of a remote monitoring and control system using a selector switch terminal unit according to the present invention, the central controller 1, the switch S ₁ to S ₄ unique address is set
A plurality of monitoring terminal device 2 for monitoring the load L ₁ ~L ₄ controls the control terminal unit 3, the wireless relay terminal unit 7, the external interface terminal unit 8 and the selector switch terminal unit 9 and a pair of signal lines 4, the transmission signal Vs transmitted from the central controller 1 to the signal line 4 indicates a start pulse signal ST indicating the start of signal transmission and a signal mode as shown in FIG. 11 (a). mode data signal MD, an address data signal AD for transmitting 8-bit address data for calling a terminal unit 2,3,7～9, control data signal CD for transmitting the control data for controlling the load L ₁ ~L _4, checksum This is a multi-pole (± 24V) time-division multiplexed signal composed of a data signal CS and a return wait signal WT for setting a return period from the terminals 2, 3, 7 to 9, so that data is transmitted by pulse width modulation. It has become.

Each of the terminals 2, 3, 7 to 9 takes in control data of the transmission signal Vs when the address data of the transmission signal Vs received via the signal line 4 matches its own unique address data. At the same time, the monitoring data signal is synchronized with the return signal WT of the transmission signal Vs to change the monitoring data signal to a current mode signal (a signal transmitted by short-circuiting the signal lines 4 via a suitable low impedance).
As a return. The central control unit 1 also includes a dummy signal transmitting means for constantly transmitting a dummy transmission signal in which the mode data signal MD is set to the dummy mode, and any one of the monitoring terminal 2 or the wireless relay terminal 7 and the external interface terminal. 8. When the interrupt signal Vi as shown in FIG. 11 (b) returned from the selector switch terminal 9 is received, the interrupt generation terminals 2, 7
And an interrupt processing means for detecting the data No. to No. 9 and accessing the terminals 2, 7 to 9 to return the monitoring data.

In the central controller 1, the monitoring data returned to the central controller 1 from the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the selector switch terminal 9 as described above. The control data to be transmitted to the control terminal 3 for controlling the corresponding loads L _{1 to} L ₄ is generated based on the control data, and the control data is transmitted to the control terminal 3 via the signal line 4 in a time-division multiplex manner. Then load L ₁
So as to control the ~L _4.

The wireless relay terminal 7 includes an optical wireless transmitter X,
A terminal for relaying data of an optical wireless system comprising an optical wireless receiver Y and a wireless signal line 4a. The optical signal transmitted from the optical wireless transmitter X is received by the optical wireless receiver Y, and is received. The received data is received via the wireless signal line 4a, and the data is transferred to the central controller 1. The external interface terminal 8 is connected to an external control device 8a.
The selector switch terminal 9 is a terminal that centrally controls a large number of loads. The monitoring terminal 2 and the control terminal 3 disposed in the distribution panel 6 or the relay control panel 6a have a distribution panel agreement size, and the control output thereof controls the remote control relay for load control. (Latching relay that can be turned on and off also by a hand switch) 5 is controlled.

[0006]

[Problems to be solved by the invention]

Conventionally, a number of switches S ₁ , S ₂ , S ₃ ... Are arranged in a row, and a selector switch terminal 9 capable of centrally controlling a large number of loads is used. Since it is only for embedding on the construction surface, it is necessary to install an embedding box corresponding to the number of circuits, and the number of circuits is often not determined until the end when going through the construction procedure,
The construction did not proceed smoothly because the size of the embedding box was not determined. Further, since the switch unit inside the selector switch terminal 9 is not divided into arbitrary circuit units, it is necessary to replace the entire selector switch terminal 9 for maintenance.

The present invention has been provided in view of the above points,
The structure can be exposed and mounted, so that only signal lines can be drawn out from the construction surface. Wiring between switch monitoring terminals is done by connector connection, multiple circuit units can be replaced, maintenance and number of circuits can be changed. It is an object of the present invention to provide a selector switch terminal capable of easily performing the above.

[0008]

[Means for Solving the Problems]

According to the present invention, the outer shell of the selector switch terminal is composed of a selector base and a selector cover, and a housing portion for housing a signal line derived from the construction surface is provided on the back surface of the selector base disposed on the surface of the construction material. And a plurality of circuits each having a switch and an operation indicator light provided to correspond to the switch and indicating an operation state of a load. The terminal unit as one unit is provided in a plurality of rows on the front surface of the selector base. Further, a connector connection is made between the terminal units as a signal line sending wiring.

[0009]

[Action]

Thus, the outer shell of the selector switch terminal is composed of the selector base and the selector cover, and the housing for accommodating the signal lines derived from the erection material is recessed on the back of the selector base provided on the surface of the erection material. And a plurality of circuits each having a switch and an operation indicator light provided to correspond to the switch and indicating an operation state of a load. Since the terminal unit as one unit is arranged in a plurality of rows on the front surface of the selector base, the signal lines derived from the construction surface are stored in the storage portion formed on the back surface of the selector base, and the selector base is directly built. Since the terminal can be installed with the terminal exposed, if only the signal lines are drawn from the construction surface, the terminal can be installed on the front of the selector base. By arranging a plurality of rows of switches, a terminal unit for monitoring a switch of an arbitrary number of circuits can be mounted on a construction surface, and the terminal unit inside the selector switch terminal has a plurality of circuits. Since it is divided as one unit, when performing maintenance or changing the number of circuits, it can be replaced in multiple circuit units, so maintenance and changing the number of circuits can be easily performed, and each circuit corresponds to a switch Since the operation indicator of the load to be operated is provided, the number of the operation indicators can be changed only by replacing the terminal unit. Furthermore, since each terminal unit is connected by a connector as a signal line sending wiring, the signal line sending wiring can be easily performed.

[0010]

【Example】

Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, referring to FIG. 3, a terminal unit 2 'for monitoring a switch.
Will be described. Terminal unit case 21 is composed of a body 22 and a cover 23, switches S ₁ ~ for accepting monitoring input to the printed circuit board 24 which is OsameSo in the terminal device case 21
S ₄ , operation display light emitting diodes LDa, LDb are arranged in a row,
In the central part, address setting, for example, a light receiving photodiode PD and a light emitting light emitting diode LD, which are optical wireless receiving units for performing function settings such as a lighting load delay function, a temporary lighting function, and a type setting such as a dimming function. Has been implemented.

A window 25 is formed at one end of the cover 23 so as to face the light emitting diodes LDa and LDb. At the other end, an opening 27 for arranging an operation handle 26 corresponding to the switches S ₁ . I have. An opening window 28 facing the photodiode PD and the light emitting diode LD is perforated in the center of the cover 23, and a filter 29 for passing only infrared light is provided on the upper surface side of the opening window 28. A transparent nameplate 30 is adhered to the surface of the cover 23 on the upper surface of the device.

An elastic locking piece 31 is integrally protruded from an end face of the body 22, and the locking piece 31 is inserted and locked so as to be in contact with the cover 23 and the body 23.
An engagement hole 32 for connecting the cover 22 to the cover 22 is formed in a side surface of the cover 23.

FIG. 9 shows an example of a circuit configuration of a monitoring terminal unit 2 ′ that monitors the switches S _{1 to} S _{4. The} signal processing circuit 10 includes four microcomputers as one unit and includes a microcomputer.
An address setting unit 11 formed by an EEPROM, an optical signal receiving unit 12 including a photodiode PD and transistors Q5 and Q6, an optical signal transmitting unit 13 including a light emitting diode LD and a transistor Q4, a zener diode ZD and a transistor Q2. And a return circuit 15 including a resistor R and a transistor Q3, a reset circuit 16, and the like.

Thus, a transmission signal Vs transmitted via the signal line 4 is
It is rectified by the diode bridge DB and input to the signal input terminal of the signal processing circuit 10 via the transistor Q1,
The circuit power of each terminal circuit including the signal processing circuit 10 is supplied via a power supply circuit 14 for converting a rectified voltage of the transmission signal Vs to a constant voltage. Further, the signal processing circuit 10 determines whether the unique address data set in the address setting unit 11 matches the address data of the received transmission signal Vs, and fetches control data transmitted subsequently when the address matches. Control the light emitting diodes LDa and LDb for displaying the load operation (ON → red, OFF → green), check the status of the switches S _{1 to} S ₄ to form monitoring data, and send the monitoring data from the return circuit 15. A return signal VB to be returned to the central control device 1 as a current mode signal (a resistor R having a low resistance value is inserted between the signal lines 4) is transmitted to the signal line 4.

On the other hand, writing of data to the EEPROM constituting the address setting unit 11 is performed by the signal processing circuit 10, and the data to be written is a signal received by the optical signal receiving unit 12. It is formed by processing, and predetermined 32-bit data is written. Here, the signal received by the optical signal receiving unit 12 is an optical wireless signal transmitted from a data setting unit (not shown), and a response signal such as a reception confirmation signal is transmitted from the optical signal transmitting unit 13 to the optical wireless signal. The data is transmitted as a signal, and data can be reliably transmitted wirelessly between the switch monitoring terminal unit 2 'and the data setting device.

FIG. 2 shows the switch monitoring terminal unit 2 ′
FIG. 3 shows an exploded perspective view of a selector switch terminal device 9 configured in a row. The selector switch terminal 9 for centrally controlling the load is provided with 11 terminal units 2 'for monitoring switches, each of which has four circuits, and is used for 44 circuits. Switch unit 17
Is provided. The setting switch unit 17 sets a control terminal corresponding to each lighting load, for example, to control the pattern of the lighting load for each layer or to perform the pattern control such as the thinning-out lighting on the same floor.

The outer shell of the selector switch terminal 9 is a selector base 34.
And a selector cover 35. On both sides of the selector base 34, an arrangement portion 36 for disposing each terminal unit 2 ', 17 is formed with a rib 37 in a rectangular frame shape. A fixing portion 38 is integrally formed at a portion of the rib 37 of each disposing portion 36, and two protrusions 39 are protruded from an upper surface of the fixing portion 38.
A screw hole 40 is formed between 39. On the other hand, as shown in FIGS. 2 and 3, fixed pieces 41 and 42 are formed at both ends of the cover 23 of the switch monitoring terminal unit 2 ', respectively. Three insertion holes 43 are respectively formed. The insertion holes 43 on both sides are fitted into the projections 39 of the fixing portion 38 to perform positioning and are arranged on the arrangement portion 36, and screws 44 are screwed into the screw holes 40 of the fixing portion 38 through the central insertion holes 43. Thus, the terminal unit 2 ′ is arranged and fixed on the cover 35 of the selector switch terminal 9.

A mounting hole 45 for a wall or the like is provided in the center of the selector base 34 in the vertical direction. The mounting holes 47 are formed at predetermined intervals. Selector cover
A fitting portion 49 into which a hook 48 formed at one end of the selector cover 35 is formed is formed on one end side of the selector cover 35. A nut 51 is provided in the concave portion 50a of the convex portion 50 at the other end of the selector base 34, and a screw 53 inserted through the hole 52 on the side surface of the selector cover 35 is screwed to the nut 51, and the selector cover 35 and the selector base And 34 are assembled and connected. A pair of engaging pieces 54 are formed at the center of the selector base 34, and the engaging pieces 54
An engagement protrusion 55 that fits between 54 is formed at the center of selector cover 35. Further, a rib 56 formed with a recess 56a is provided at the center of both sides of the selector base 34, and a protruding rib 57 that fits into the recess 56a of the rib 56 protrudes from the inner surface of the selector cover 35. is there.

A terminal portion 58 to which a signal line is connected is disposed on both sides of one end of the selector base 34. A terminal plate 59 and a terminal screw 60 constituting the terminal portion 58 are mounted on a terminal block 58a. You. In addition, between the terminal portions 58, a printed circuit board block 61 for transmitting a signal line is arranged and fixed to the selector base 34 by screwing a screw 62 into a boss hole 63 of the selector base 34. I have. The connectors 64 and 65 for transmitting the transmission signals are mounted on both sides of the printed circuit board block 61, and are respectively fitted and connected to the connectors 66 of the switch monitoring terminal unit 2 '. Recesses 67a and 67b are provided on both sides of the terminal unit 2 ', and a connector 66 for receiving a signal is led out of one of the recesses 67a, and a connector 68 for sending a signal is arranged in the other recess 67b. Have been. By connecting the connectors 66 and 68 of the adjacent terminal unit 2 ', a signal line for time-dividing a transmission signal is sent and wired to each switch monitoring terminal unit 2'.
Although the switch monitoring terminal unit 2 'has four circuits as one unit, it goes without saying that an arbitrary number of circuits can be provided.

When the terminal units 2 ′ are arranged in a row on the selector base 34, a name sheet 70 having this length and describing each control target load name is arranged. That is, a plurality of tongue pieces 71 are integrally provided at a predetermined interval from one side of the name sheet 70, and the tongue pieces 71 are formed in holes 72 formed in the steps on the upper surface of each terminal unit 2 '. And the name sheet 70 is positioned. Further, a name cover 73 is provided on the upper surface of the name sheet 70.

On one side of the name cover 73, a plurality of protruding pieces 75 for inserting and locking into the holes 74 of the terminal unit 2 'are provided at predetermined intervals, and on the other side, L-shaped locking pieces 76 are provided. Are formed. As shown in FIG. 3, the locking piece 76 is used for the terminal unit 2 '.
The name cover 73 is fixed to the terminal unit 2 'by slidingly inserting it into the locking hole 77 formed at the end of the fixing piece 41. It should be noted that the name sheet 70 is designed to write the name of the load or stick a seal. After fixing the name cover 73, the selector cover 35 is fixed to the selector base 34 with the screw 53 as described above, and the name cover 73 is securely fixed. At this time, an opening 35a corresponding to the name cover 73 is formed in the selector cover 35,
The name of the load and the like can be visually recognized from the front surface of the selector cover 35.

As shown in FIG. 3, a strip (mesh) strip 78 is provided on one side of the name sheet 70, and only a portion corresponding to the filter 29 serving as a light receiving / emitting section is formed of a transparent stripe (mesh). ) Is printed (shaded area in the figure) to make the light emitting / receiving section inconspicuous. Also, on the other side of the name sheet 70, transparent portions 79 corresponding to the light emitting diodes LDa and LDb, respectively.
Is provided.

By the way, the signal line for transmitting the signal is wired inside the wall, so that the selector switch terminal 9 can accommodate the signal line no matter where the signal line comes out from the wall. ing. FIGS. 4 and 5 show the entirety of the selector switch terminal 9, and as shown in FIG. 5 showing the back of the selector switch terminal 9, the rear surface of the selector base 34 forms a concave portion 80 which is recessed one step. This concave portion 80 is connected to signal line 4
The storage section. Further, holes 81 for passing the signal lines 4 are formed in the upper portions on both sides of the selector base 34. The signal wire 4 led out from the wall surface is housed in the concave portion 80, and the signal wire 4 is inserted into the hole 81, and the conductor of the signal wire 4 is connected to the terminal screw 60 and the terminal plate 59 as shown in FIG. And tighten with
The terminal unit 58 is connected. In addition, since other parts including the concave surface part 80 are lower than the periphery of the back surface of the selector base 34, deformation of the selector base 34 is minimized even if it is mounted on an uneven wall surface or a thick cloth-covered wall. I have.

Next, a method of attaching the selector switch terminal 9 will be described. As shown in FIGS. 6 and 1, first, the screw 53 of the selector switch terminal 9 is loosened to remove the selector cover.
Open 35. Embedded box 83 buried in wall 82
From the selector base 34, and the signal line 4 is connected to the selector base 34.
Then, the selector base 34 is screwed to the wall surface 82 through the mounting hole 46 with a wood screw 84 or the like, and the selector base 34 is fixed. Next, after connecting the signal line 4 to the terminal portion 58 of the selector base 34, the hook 48 of the selector cover 35 is hooked on the selector base 34, and the selector cover 35 is fixed with the screw 53. In this way,
The selector switch terminal 9 can be installed exposed on the wall surface 82 without using a dedicated exposure box. Further, since a dedicated exposure box is not used, the amount of protrusion from the wall surface 82 is only the thickness of the selector switch terminal 9 itself, and does not protrude so much.

Next, a method of writing a name on the name sheet 70 will be described. As shown in FIGS. 7 and 8, the screw 53 of the selector switch terminal 9 is loosened and the selector cover 35 is removed. Then, the name cover 73 is slid upward and removed. Next, remove the name sheet 70 and put the seal 85
Is put on the front, or written directly on the name sheet 70. After the entry, the name cover 73 is attached, and then the selector cover 35 is attached.

[0026]

【The invention's effect】

According to the present invention, as described above, the outer shell of the selector switch terminal is constituted by the selector base and the selector cover, and the signal line derived from the building material is housed on the back of the selector base provided on the surface of the building material. The storage part to be recessed is formed, and a hole for leading out the signal line to the front side is formed in the selector base,
A plurality of terminal units are provided on the front surface of the selector base, and a plurality of switches are provided on the front surface of the selector base. The signal line derived from the construction surface can be housed in a housing formed on the back surface of the selector base, and the selector base can be directly arranged on the surface of the construction surface, and the terminal is exposed and arranged. Therefore, if only signal lines are pulled out from the construction surface, by installing multiple rows of terminal units on the front of the selector base, it is possible to attach a terminal unit for monitoring switches of an arbitrary number of circuits to the construction surface. It has the effect of being able to perform. In addition, since the terminal unit inside the selector switch terminal is divided into a plurality of circuits as one unit, when performing maintenance or changing the number of circuits, it can be replaced in units of a plurality of circuits. Since the number can be easily changed, and each circuit is provided with a switch and a corresponding operation indicator for the load, the number of operation indicators can be changed simply by replacing the terminal unit. Is played. Furthermore, since each terminal unit is connected by a connector as a signal line sending wiring, the signal line sending wiring can be easily performed.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating a state where a selector switch terminal device according to an embodiment of the present invention is mounted on a wall surface.

FIG. 2 is an exploded perspective view of the same selector switch terminal.

FIG. 3 is an exploded perspective view of the terminal unit for monitoring a switch in the embodiment.

FIGS. 4A and 4B show the selector switch terminal device of the above, wherein FIG. 4A is a front view, FIG. 4B is a bottom view, and FIG.

FIG. 5 is a rear view of the same.

FIG. 6 is a diagram showing a mounting method of the above.

FIG. 7 is an explanatory diagram showing a method for entering a name of the above.

FIG. 8 is an explanatory diagram showing a method for entering a name in the above.

FIG. 9 is a circuit diagram of a switch monitoring terminal unit according to the third embodiment;

FIG. 10 is a schematic configuration diagram of a remote monitoring control system.

FIG. 11 is an operation waveform diagram of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Central control apparatus 2 ... Monitoring terminal 2 '... Switch monitoring terminal unit 3 ... Control terminal 4 ... Signal line 9 ... Selector switch terminal 34 ... Selector base 35 ... ... Selector cover 66,68 Connector 81 ... Hole

Continuation of the front page (56) References JP-A-62-193484 (JP, A) JP-A-1-233399 (JP, A) JP-A-61-280139 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04Q 9/00-9/16 H01H 63/34 H02G 3/00-3/20

Claims (2)

(57) [Claims] 1. A control terminal device for controlling a load based on control data following address data of a time division multiplex transmission signal transmitted from a central control unit via a signal line, and a signal in response to a switch input. A switch monitoring terminal that returns to the central control unit during the return waiting period of the time division multiplex transmission signal and transmits a signal from the central control unit to the control terminal to control the load, or a switch monitoring terminal. Selector switch for centrally controlling the load by providing a plurality of terminal units with the functions of the above is used for a remote control system equipped with a terminal, etc., and the outer shell of the terminal is composed of a selector base and a selector cover. On the back of the selector base provided on the surface of the above, a storage portion for storing the signal line derived from the construction surface is recessed, and a hole for leading the signal line to the front side is drilled in the selector base, And a plurality of terminal units each including a plurality of switches, each of which is provided in correspondence with the switch and an operation indicator light for indicating an operation state of the load. And selector switch terminal. 2. The selector switch terminal according to claim 1, wherein each terminal unit is connected by a connector as a signal line sending wiring.