JPH04222198A - Selector switch terminal equipment - Google Patents

Abstract

PURPOSE:To prevent a signal line from being exchanged without being a point, where the terminal equipment unit is not used, by a blank unit. CONSTITUTION:A blank unit 20 has the same fitting structure as a cover 23 of a terminal equipment unit 2' and on both the sides of a cover 90, a fixed piece 41 equipped with a through hole 43 and a lock hole 77 and a fixed piece 42 boring the through hole 43 are formed. Similarly to the terminal equipment unit 2', the blank unit 20 is equipped with a connector 68 for signal line transmission and a connector 66 for signal line reception. By fitting the blank unit 20 to a selector base 34 similarly to the terminal equipment unit 2' and connecting it by the connectors 66 and 68, the transmitting wiring of signal lines can be formed, and the signal lines are not disconnected.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a selector switch terminal that centrally controls a large number of loads by providing a plurality of terminal units that receive time-division multiplexed transmission signals from a central control unit and monitor the switches. It is something.

0002

2. Description of the Related Art FIG. 14 shows a schematic configuration of a remote monitoring and control system using a selector switch terminal device according to the present invention. monitoring terminal 2
, a control terminal 3 that controls the loads L1 to L4, a wireless relay terminal 7, and an external interface terminal 8.
and a selector switch terminal 9 are connected by a pair of signal lines 4.

As shown in FIG. 15(a), the transmission signal Vs sent from the central control device 1 to the signal line 4 includes a start pulse signal ST indicating the start of signal transmission, a mode data signal MD indicating the signal mode, and a terminal signal. an address data signal AD for transmitting 8-bit address data for calling the terminals 2, 3, 7 to 9; a control data signal CD for transmitting control data for controlling the loads L1 to L4; a checksum data signal CS; 3, a bipolar (±24V) consisting of a return standby signal WT that sets the return period from 7 to 9.
) is a time-division multiplexed signal in which data is transmitted using pulse width modulation.

Each terminal device 2, 3, 7-9 takes in the 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. In addition, the transmission signal Vs
The monitoring data signal is returned as a current mode signal (a signal sent by short-circuiting the signal lines 4 via an appropriate low impedance) in synchronization with the return standby signal WT.

[0005] The central control device 1 also includes a dummy signal transmitting means for constantly transmitting a dummy transmission signal with the mode data signal MD in a dummy mode, and either the monitoring terminal 2 or the wireless relay terminal 7, or an external When an interrupt signal Vi as shown in FIG. 15(b) returned from the interface terminal 8 and the selector switch terminal 9 is received, the interrupt generating terminal 2, 7 to 9 is detected and the terminal 2, Interrupt processing means is provided for accessing 7 to 9 and returning monitoring data.

[0006] Furthermore, in the central control device 1, as described above, the monitoring terminal 2 or the wireless relay terminal 7,
Based on the monitoring data sent back to the central control device 1 from the external interface terminal 8 and the selector switch terminal 9, control data is created to be transmitted to the control terminal 3 that controls the corresponding loads L1 to L4. The loads L1 to L4 are controlled by time-division multiplexing transmission of control data to the control terminal 3 via the signal line 4.

The wireless relay terminal 7 is a terminal that relays data of an optical wireless system consisting of an optical wireless transmitter X, an optical wireless receiver Y, and a wireless signal line 4a. The optical wireless receiver Y receives the received optical signal, receives the received data via the wireless signal line 4a, and transfers this data to the central controller 1.

[0008] Furthermore, the external interface terminal 8 includes:
The selector switch terminal 9 is a terminal that performs data transmission with the external control device 8a, and 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 installed in the distribution board 6 or relay control panel 6a have the dimensions agreed upon in the distribution board, and their control output enables the remote control relay for load control. (A latching relay that can be turned on and off using a hand switch) 5 is controlled.

[0009]

Problems to be Solved by the Invention A plurality of terminal units provided in a conventional selector switch terminal unit are wired to send signal lines through connector connections. If some of the terminal units are removed, the signal line is cut off, so the terminal units at the subsequent stage will not be controlled.

[0010] In this case, it is necessary to send and wire the signal line, but although such a unit exists, there is a problem that it cannot be used because it does not have the same mounting structure as the terminal unit. The present invention has been provided in view of the above-mentioned points, and an object of the present invention is to form a blank unit in which a signal line can be sent and wired by filling the part where a terminal unit is not attached in a selector switch terminal. A selector switch terminal device is provided.

[0011]

[Means for Solving the Problems] The present invention forms a blank unit having the same mounting structure as the above-mentioned terminal unit to a selector switch terminal, and provides a connector for sending and wiring a signal line to this blank unit. A connector is used to route the terminal unit and the signal line.

0012

[Operation] Then, a blank unit having the same mounting structure as the terminal unit is attached to the selector switch terminal, and this blank unit is connected to the terminal unit with a connector to wire the signal line. There is.

[0013]

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, the configuration of the terminal unit 2' for switch monitoring will be explained with reference to FIG. The terminal case 21 is composed of a body 22 and a cover 23.
Switches S1 to S4 for receiving monitoring inputs and light emitting diodes LDa and LDb for operation display are arranged on the printed circuit board 24 installed in the interior, and in the center there are address settings, for example, a lighting load delay function, a temporary A light-receiving photodiode PD and a light-emitting light emitting diode LD, which are optical wireless receiving units that perform function settings such as type settings such as a lighting function and a dimming function, are mounted.

Further, on the back surface of the printed circuit board 24, a signal processing circuit 10 consisting of a CPU (described later), an EEPROM for address memory, and other chip components are mounted. Four switches S1 to S4 are operating handles 26
They are arranged at a predetermined distance or more apart so that when the handle 26 is operated, the adjacent operation handle 26 is not operated. Also,
The operation display light emitting diodes LDa and LDb are arranged corresponding to the switches S1 to S4, respectively.

A light emitting diode L is provided at one end of the cover 23.
A window 25 is provided to view Da and LDb, and an operation handle 26 corresponding to the switches S1 to S4 is provided at the other end.
Openings 27 are arranged in a row. A photodiode PD and a light emitting diode LD are installed in the center of the cover 23.
An opening window 28 is perforated through which the opening window 28 can be seen.
A filter 29 that passes only infrared light is provided on the top side of the filter 8, and a transparent nameplate 30 is attached to the surface of the cover 23 on the top of the filter 29 to hold the filter 29 in place.

An elastic locking piece 31 is integrally protruded from the end surface of the body 22, and a locking hole 32 through which the locking piece 31 is inserted and locked to connect the cover 23 and the body 22 is formed in the cover 23. It is perforated on the side of the. In addition, the printed circuit board 24
A connector 68 for sending the signal line 4 is mounted, and
A connector 66 for receiving the signal line 3 is led out from the printed circuit board 24 by a lead wire 66a. Here, cover 2
There are recesses 67a, 6 in the empty spaces on both sides of 3.
7b is formed. Connector 6 is provided in one recess 67b.
8 is positioned, and a lead wire 66a is led out from the other recess 67a.

As shown in FIG. 2, elastic claws 26a are formed at the bottom of both ends of the operating handle 26, and these claws 26a are removably engaged with the edges of the opening 27 of the cover 23. By stopping the operation handle 26, the operation handle 26 is prevented from falling off. Note that the printed circuit board 24 is connected to the body 22.
and the cover 23.

FIG. 4 shows an example of the circuit configuration of the monitoring terminal unit 2' for monitoring the switches S1 to S4.
A signal processing circuit 10 consisting of a microcomputer, and E
An address setting section 11 formed of an EPROM, an optical signal receiving section 12 consisting of a photodiode PD and transistors Q5 and Q6, an optical signal transmitting section 13 consisting of a light emitting diode LD and a transistor Q4, a Zener diode ZD and a transistor Q2. a power supply circuit 14 consisting of the following, a return circuit 15 consisting of a resistor R and a transistor Q3, a reset circuit 16, and an oscillation circuit 18.
It is made up of etc.

The transmission signal Vs transmitted via the signal line 4 is rectified by the diode bridge DB, and is input to the signal input terminal of the signal processing circuit 10 via the transistor Q1. The circuit power for each terminal circuit including 10 is supplied via a power supply circuit 14 that makes the rectified voltage of the transmission signal Vs constant. The signal processing circuit 10 also determines whether the unique address data set in the address setting section 11 matches the address data of the received transmission signal Vs, and captures the control data to be transmitted subsequently when the addresses match. , for load operation display (
On → red, off → green) light emitting diodes LDa, LDb
At the same time, the state of the switches S1 to S4 is checked to form monitoring data, and the monitoring data is sent from the return circuit 15 as a current mode signal (a resistor R with a low resistance value is inserted between the signal lines 4) to the central control unit. A return signal VB to be sent back to the signal line 4 is sent to the signal line 4.

On the other hand, the EE constituting the address setting section 11
Writing of data to the PROM is performed by a signal processing circuit 10, and the data to be written is formed by processing a signal received by an optical signal receiving section 12, and is formed by processing a signal received by an optical signal receiving section 12. is written. Here, the signal received by the optical signal receiver 12 is an optical wireless signal transmitted from the data setting device 19 as shown in FIG. 6, and a response signal such as a reception confirmation signal is sent from the optical signal transmitter 13. A terminal unit 2' for monitoring the switch and a data setting device 19 are transmitted as optical wireless signals.
It is now possible to reliably transmit data wirelessly between

FIG. 1 shows a selector switch terminal 9 constructed by arranging nine switch monitoring terminal units 2'.
An exploded perspective view is shown. In addition, the selector switch terminal unit 9 for centrally controlling the load has nine terminal units 2' for monitoring switches of four circuits each arranged in a row for 36 circuits.
Two blank units 20, which will be described later, are arranged in place of the terminal unit 2'. Further, one setting switch unit 17 is provided for controlling the lighting load pattern.

The setting switch unit 17 is used to set a control terminal corresponding to each lighting load, for example, to control patterns of lighting loads for each floor or to control patterns such as thinning lighting on the same floor. . The outer shell of the selector switch terminal device 9 is the selector base 34
and a selector cover 35, the selector base 3
Arrangement portions 36 for arranging the respective terminal units 2' and 17 are formed on both sides of the rib 37 in the shape of a rectangular frame. A fixing part 38 is integrally formed on the rib 37 of each arrangement part 36, two protrusions 39 are provided protruding from the upper surface of the fixing part 38, and a screw hole 40 is formed between the protrusions 39. It has been done.

On the other hand, as shown in FIGS. 1 and 2, fixing pieces 41 and 42 are formed at both ends of the cover 23 of the terminal unit 2' for switch monitoring.
, 42 are each provided with three insertion holes 43. The insertion holes 43 on both sides are fitted into the protrusions 39 of the fixed part 38 for positioning and placed in the arrangement part 36, and the screws 44 are screwed into the screw holes 40 of the fixed part 38 through the central insertion holes 43. As a result, the terminal unit 2' is arranged and fixed on the selector base 34 of the selector switch terminal 9.

A mounting hole 45 to a wall surface or the like is provided in the vertical direction of the center of the selector base 34, and a daruma-shaped mounting hole 46 is provided at one end of the selector base 34, and elongated holes are provided at both sides and the other end. Shape mounting holes 47 are formed at predetermined intervals. A hook 48 formed at one end of the selector cover 35
A fitting portion 49 into which the selector base 34 fits is formed at one end side of the selector base 34.

A nut 51 is disposed within the recess 50a of the protrusion 50 at the other end of the selector base 34, and the nut 51
A screw 53 inserted through a hole 52 on the side surface of the selector cover 35 is screwed into a nut 51, and the selector cover 35 and selector base 34 are assembled and connected. Further, a pair of engagement pieces 54 are formed in the center of the selector base 34.
An engaging protrusion 55 that fits therebetween is formed in the center of the selector cover 35. Further, a rib 56 having 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 is provided.
is provided protruding from the inner surface of the selector cover 35.

Terminal portions 58 to which the signal line 4 is connected are arranged on both sides of one end of the selector base 34.
A terminal plate 59 and a terminal screw 60 constituting this terminal portion 58 are attached to the terminal block 58a. Further, between the terminal portions 58, a printed circuit board block 61 for transmitting a signal line is installed.
It is arranged and fixed to the selector base 34 by screwing the screw 62 into the boss hole 63 of the selector base 34.

Connectors 64 and 65 for sending 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 terminal unit 2' for switch monitoring. There are recesses 6 on both sides of the terminal unit 2'.
7a and 67b, one recess 67a leads out a signal receiving connector 66, and the other recess 67
A connector 68 for signal transmission is arranged inside b.

Connector 6 of adjacent terminal unit 2'
By connecting the switches 6 and 68, a signal line for time-divisionally transmitting the transmission signal is routed to the terminal unit 2' for monitoring each switch. When the terminal units 2' are arranged in a row on the selector base 34, a name sheet 70 having this length and in which the name of each controlled load is written is arranged. That is, a plurality of tongue pieces 71 are integrally protruded from one side of the name sheet 70 at predetermined intervals, and the tongue pieces 71 are inserted into the holes 72 formed in the steps on the upper surface of each terminal unit 2'. The name sheet 70 is positioned by inserting and locking the name sheet 70. Further, a name cover 73 is placed over the top surface of the name sheet 70.

On one side of the name cover 73, a plurality of projecting pieces 75 are provided at predetermined intervals to insert and lock into the holes 74 of the terminal unit 2', and on the other side, L-shaped locking pieces 76 are provided. is formed. This locking piece 76 is slid and inserted into a locking hole 77 formed at the end of the fixing piece 41 of the terminal unit 2', as shown in FIG. 2, to fix the name cover 73 to the terminal unit 2'. . Incidentally, the name sheet 70 is designed to write the name of the load or to attach a sticker to it.

After fixing the name cover 73, the selector cover 35 is fixed to the selector base 34 with the screws 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, etc. can be visually recognized from the front side of the selector cover 35.

Here, as shown in FIG. 2, a striped (mesh) belt-like part 78 is provided on one side of the name sheet 70, and a transparent striped (mesh) part is provided only in the part corresponding to the filter 29 which becomes the light receiving and emitting part. (hatched area in the figure) to make the light receiving and emitting parts less noticeable. Further, on the other side of the name sheet 70, light emitting diodes LDa, LDb are provided.
Transparent portions 79 corresponding to the respective regions are provided.

Furthermore, the connection of the connectors 66 and 68 is as follows:
Since the connectors 66 and 68 are located within the recesses 67a and 67b of the terminal unit 2', they do not protrude upward from the upper surface of the terminal unit 2'. Therefore, when placing the name sheet 70, the connectors 66 and 68 do not get in the way. Next, the blank unit 20 will be explained. In the blank unit 20 shown in FIGS. 8 and 9, the cover 90 is attached to the cover 23 of the terminal unit 2' as shown in FIG.
It has the same mounting structure. That is, the fixing piece 41 provided with the insertion hole 43 and the locking hole 77 is provided on both sides of the cover 90.
and a fixing piece 42 having an insertion hole 43 formed therein.

Further, the printed circuit board 91 fitted into the lower surface of the cover 90 has a connector 68 for sending a signal line and a connector 6 for receiving a signal line, similar to the terminal unit 2'.
6 has been implemented. On the top surface of the cover 90 is a nameplate 92,
93 are adhered to each other. The name plates 92 and 93 are adhesively attached to portions corresponding to the light emitting diode display section and the address setting section visible from the name sheet 70, and are of the same color as the name sheet 70. Therefore, the name plates 92 and 93 make the light emitting diode display section and the address setting section less noticeable.

The connector 68 for sending wiring is located in the recess 67b of the cover 90, and the lead wire 66a is led out from the recess 67a of the cover 90. Therefore, as shown in FIG.
In the same way as terminal unit 2', connect connector 6.
By connecting at 6 and 68, the signal line can be routed and the signal line will not be disconnected.

By the way, the signal line 4 for transmitting signals is wired inside the wall, and the selector switch terminal 9 accommodates the signal line 4 no matter where the signal line 4 comes out from on the wall surface. I'm trying to make it possible. 6 and 7 show the entire selector switch terminal device 9, and as shown in FIG. 8 showing the back surface of the selector switch terminal device 9, the back surface of the selector base 34 forms a concave portion 80 that is recessed one step. 80 is a housing portion for the signal line 4. Holes 81 through which the signal lines 4 are passed are bored in the upper portions of both sides of the selector base 34.

The signal line 4 led out from the wall is housed in the concave portion 80, and the signal line 4 is inserted into the hole 81, as shown in FIG.
As shown in FIG.
9 to connect to the terminal portion 58. Next, a method of attaching the selector switch terminal 9 will be explained. As shown in FIGS. 10 and 11, first, loosen the screws 53 of the selector switch terminal 9 and open the selector cover 35.

The signal line 4 is led out from the embedded box 83 buried in the wall surface 82, the signal line 4 is brought out to the front through the hole 81 of the selector base 34, and the selector base 34 is secured with wood screws 84 or the like. Wall surface 82 through mounting hole 46
The selector base 34 is fixed by screwing it on. Next, after connecting the signal line 4 to the terminal portion 58 of the selector base 34,
Connect the hook 48 of the selector cover 35 to the selector base 34
and fix the selector cover 35 with screws 53.

Next, a method of writing a name on the name sheet 70 will be explained. As shown in FIGS. 12 and 13, loosen the screws 53 of the selector switch terminal 9 and remove the selector cover 35. Then, slide the name cover 73 upward and remove it. Next, name sheet 70
, and paste the sticker 85 on the front or write it directly on the name sheet 70. After writing, the name cover 73 is attached, and then the selector cover 35 is attached.

Even if the selector cover 35 is removed, the name sheet 70 and the name cover 73 are fixed, so they will not fall off accidentally.

[0040]

Effects of the Invention As described above, the present invention forms a blank unit having the same mounting structure as the terminal unit to the selector switch terminal, and provides a connector for sending and wiring a signal line to this blank unit. Since the terminal unit and signal wire are sent and wired using a connector, a blank unit with the same mounting structure as the terminal unit is attached to the selector switch terminal, and this blank unit is connected to the terminal unit with the connector. Therefore, it can be freely replaced with a device that does not use a terminal unit, and furthermore, the signal wire feed will not be disconnected by connecting the connector. It is effective.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a selector switch terminal according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the terminal unit.

FIG. 3 is an enlarged exploded perspective view of main parts.

FIG. 4 is a circuit diagram of a terminal unit for switch monitoring.

FIG. 5(a) is a plan view of the terminal unit. (b) is a cutaway side view of the terminal unit. (c) is a rear view of the terminal unit.

FIG. 6 is a cutaway front view of the selector switch terminal.

FIG. 7 is a rear view of the selector switch terminal.

FIG. 8 is an exploded perspective view of the blank unit.

FIG. 9(a) is a cutaway plan view of the blank unit. (b) is a diagram showing the mounting state of the blank unit. (c) is a side view of the blank unit.

FIG. 10 is a diagram showing a method of attaching a selector switch terminal.

FIG. 11 is a sectional view showing a state in which a selector switch terminal is attached.

FIG. 12 is an explanatory diagram showing a method of entering a name.

FIG. 13 is an explanatory diagram showing a method of entering a name.

FIG. 14 is a schematic configuration diagram of a remote monitoring and control system.

FIG. 15 is an operation explanatory diagram.

[Explanation of symbols]

1 Central control device 2　Monitoring terminal device 2' Terminal unit 3 Control terminal 4 Signal line 9 Selector switch terminal device 20 Blank unit 66 Connector 68 Connector

Claims (1)

[Claims] 1. A control terminal device that controls a load based on control data following address data of a time division multiplexed transmission signal transmitted from a central control unit via a signal line, and Equivalent to a switch monitoring terminal device or a switch monitoring terminal device that returns the time division multiplexed transmission signal to the central control device during the return waiting period and transmits the signal from the central control device to the control terminal device to control the load. In a remote control system equipped with a selector switch terminal, etc. that centrally controls a load by providing multiple terminal units with the functions of death,
A selector switch terminal device characterized in that the blank unit is provided with a connector for sending and wiring signal lines, and the connector is used to send and wire the signal lines to the terminal device unit.