JPH03107299A - Terminal unit for remote supervising control terminal - Google Patents

Abstract

PURPOSE:To facilitate an operation by forming a handle block by providing a hinge part and a return spring at one side edge and the rear side of an operating handle respectively, and fitting it to the front side of a terminal unit case so as to cover it. CONSTITUTION:When a switch terminal unit is disposed on a flush mount distributing box 40, after a terminal unit case 20 is attached to the distributing box 40 by a fixing screw 41 inserted through into the distributing box fitting hole 21a of a cover 20b, the operating block 22 is fitted to the front side of the terminal unit case 20. A front cover frame 42 is fixed to a fitting piece 21 with the fixing screw 43, and a front cover 44 is fitted by the front cover frame 42.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a remote monitoring and control terminal that receives time-division multiplexed transmission signals from a central control unit and performs switch monitoring, load control, etc. It is.

[Prior Art] Fig. 10 shows a schematic configuration of a remote monitoring and control system using a terminal for remote monitoring and control according to the present invention.
, a plurality of monitoring terminals 2 for monitoring , a control terminal 3 for controlling loads, ~L4, a wireless relay terminal 7,
The external interface terminal 8 and the pattern setting terminal 9 are connected by a pair of signal lines 4, and the transmission signal Vs sent from the central controller 1 to the signal line 4 is as shown in FIG. 11(a). As shown in the figure, a start pulse signal ST indicates the start of signal transmission, a mode data signal MD indicates the signal mode, an address data signal AD transmitting 8-bit address data for calling the terminals 2.3.7 to 9, and a load L.
1 to L4, a control data signal CD transmitting control data for controlling L4, a checksum data signal C8, and a terminal device 2.
．． 3. Return standby signal W that sets the return period from 7 to 9
It is a bipolar (±24V) time division multiplexed signal consisting of T.
Data is transmitted using pulse width modulation. When the address data of the transmission signal Vs received via the signal line 4 and its own unique address data match, each terminal device 2.3.7 to 9 captures the control data of the transmission signal Vs, and The monitoring data signal is converted into a current mode signal (
The signal wires 4 are short-circuited via an appropriate low impedance, and the signal is sent back as a signal. Also, a central control unit! 1 includes a dummy signal transmitting means that always sends out a dummy transmission signal in which the mode data signal MD is in a dummy mode, and any one of the monitoring terminal 2 or the wireless relay terminal 7 and the external interface terminal 8.
, FIG. 11(b) returned from the pattern setting terminal 9
) When an interrupt signal Vi as shown in FIG.
Interrupt processing means is provided for accessing .about.9 and returning monitoring data. Also, central control bag r! t1
Now, based on the monitoring data sent back to the central control device 1 from the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 as described above, the corresponding load L~ It creates control data to be transmitted to the control terminal device 3 that controls L4, and time-division multiplex transmits the control data to the control terminal device 3 via the signal line 4 to control the loads L1 to L4. It has become.

The wireless relay terminal device 7 is a terminal device that relays data of an optical wireless system consisting of an optical wireless transmitter Y, an optical wireless receiver X, and a wireless signal line 4a. The signal is received by the optical wireless receiver X, the received data is received via the wireless signal 114a, and
This data is transferred to the central control device 1.

Further, the external interface terminal 8 is a terminal that performs data transmission with the external control device 8a, and the pattern setting terminal 9 transmits pattern control data input from the data input section 9a to the central control device i! This is a terminal device that transfers data to 1. 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.

By the way, conventionally, the monitoring terminal device 2 for monitoring the switch S has been formed in the size of one module of a standardized wiring device installed in an embedded box, and when one switch S1 is arranged, The switches are arranged as shown in FIG. 12, and the arrangement is the same when two switches are arranged.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional example, there was a problem in that the operating handle 23 was small, making it difficult to operate.

The present invention has been made in view of the above points, and an object thereof is to provide a terminal for remote monitoring and control that is easy to operate.

[Means for Solving the Problems] The remote monitoring and control terminal of the present invention includes a load control switch on the front surface of a terminal case with three module dimensions, which is a standardized wiring device installed in an embedded wiring box. and a terminal for remote monitoring and control comprising a light emitting diode for displaying load operation, the operation handle of the load control switch is formed in a size that covers the entire front of the terminal case, and one side of the operation handle is formed to cover the entire front surface of the terminal case. A handle block is formed by providing a hinge portion on the edge and a return spring piece on the back surface, and the handle block is covered with the front surface of the terminal case.

According to a second aspect of the present invention, the operation handles of the two load control switches are arranged in the vertical direction and formed in such a size that they cover the entire front surface of the terminal case.

[Function] The present invention is configured as described above, and includes a load control switch and a load operation display on the front side of a terminal case with three module dimensions of a standardized wiring device installed in an embedded wiring box. In a terminal for remote monitoring and control equipped with light emitting diodes, the operation handles of one or two load control switches are dimensioned to cover the entire front surface of the terminal case, and one side of the operation handles is formed to cover the entire front surface of the terminal case. A handle block is formed by providing a hinge part on the edge and a return spring piece on the back surface, and the handle block is covered with the front part of the terminal case, making it easy to operate and remote monitoring. It is now possible to provide a control terminal.

[Embodiment] Figures 1 to 5 show an embodiment of the present invention, and show the structure and arrangement of a switch terminal 2° in which a switch S is integrated into a monitoring terminal 2. be. That is, on the front of the terminal case 20, there is a load control switch S.
, and corresponding load operation/operation water light emitting diodes LDa, LDb are provided. Here, the terminal device case 20 is composed of a box-shaped case main body 20a that is open to the front, and a cover 20b that has an integrally formed mounting piece 21, and the engagement piece of the case main body 20a is engaged with the cover 20b. Hole 27a
The cover 20b can be assembled by engaging the engaging protrusion 27b provided on the side surface of the cover 20b. The above installation is piece 21
is provided with a screw hole 21d for attaching the decorative cover and a mounting hole 21b for direct mounting on the wall, and this mounting hole 21b and
Wiring box mounting hole 21a provided in cover 20b
A mounting portion is formed by the L-shaped scissor fitting mounting hole 21c.

Further, a switch S is provided on the front surface of the cover 20b.

The operation block 22 is covered by engaging the engagement claw 28 with the engagement hole 28a of the cover 20b, and the operation block 22 has dimensions such that it covers the entire front surface of the terminal device case 20. A hinge portion 25 having a thin elastic piece 24 is provided on one side edge of the operating handle 23, and a name cover 26 is attached to the recessed portion of the front surface of the operating handle 23 by press fitting. It has become. Also,
On the back side of the operation handle 23, there is a switch pressing rib 23b.
is provided in a protruding manner, and a return spring piece 23a is integrally provided in a protrusive manner, and this return spring piece 23a comes into elastic contact with the front surface of the cover 20b to provide an elastic force for returning the operating handle 23. Furthermore, an engagement protrusion 29 for preventing lifting is integrally provided on the back side 4 of the other end of the operating handle 23, and engages with a mating hole 29a formed in the cover 20b. By aligning them, lifting of the operating handle 23 can be prevented.

Further, on the front surface of the cover 20b, a protective rib 24a having a triangular cross section is formed to protect the hinge portion made of the elastic piece 24, and is capable of coming into contact with the base of the elastic piece 24. This protective rib 2
By supporting the hinge part 25 at the apex of 4a, the elastic piece 2
4 from being excessively deformed and destroyed, thereby improving reliability. In addition, the protective rib 24a
is formed to have a triangular cross-section, so that the operating handle 23 does not come into contact with the protective rib 24a in the normal operating range.

Also, a light emitting diode LDa for displaying load operation.

LDb, a photodiode PD for transmitting and receiving optical wireless signals, and a light emitting diode LD are mounted on the printed circuit board 3.
0, and this printed circuit board 30
is housed in the terminal case 20, and on the front surface of the terminal case 20, that is, the cover 20b, there are light emitting diodes LDa,
Light emitting diodes LDa and LD are formed corresponding to LDb.
The protrusion opening 31 that protrudes the photodiode P
An optical signal transmitting/receiving opening 32 corresponding to the light emitting diode LD and the light emitting diode LD, and a protruding hole 34 from which the operating section 33 of the switch SI protrudes are provided. Further, the connecting piece 25 of the operation block 22 is also provided with an opening 32a corresponding to the operation display opening 31a of the opening 31 and the opening 32.
F! A light guide 35 made of a translucent resin is covered with the light guides 031a and 32a (fitted into a groove 36 formed in the hinge portion 25).

Further, a filter 37 such as an infrared transmission filter that selectively transmits and receives only optical signals is fitted into the opening 32a.

By the way, when installing the switch terminal device 2° in the embedded wiring box 40, as shown in FIG. Attach to wiring box 40! After that, fit the operation block 22 to the front of the terminal case 20, attach the decorative cover frame 42, attach it to the piece 21 with IZ43, and fit the decorative cover 44 to the decorative cover frame 42. In this case, the operation block 22 will be attached after the terminal case 20 is attached, so the operation block 22 should be sized to cover the terminal case 20 (that is, cover the entire front surface of the terminal case 20). This means that the operating handle 23 can be made as large as possible, making it easier to operate.

6 to 8 show another embodiment, in which the operation handles 23' of the two switches S, , S, are formed in such a size that they cover the entire front surface of the terminal case 20. , the other configurations and operations are the same as in the previous embodiment.

FIG. 9 shows a monitoring terminal 2 that monitors switches 81 to S4.
This figure shows an example of a circuit configuration including a signal processing circuit 10 consisting of a microcomputer and an EEPR.

An address setting section 11 formed of OM, an optical signal receiving section 12 consisting of a photodiode PD and transistors Q, , Q, an optical signal transmitting section 13 consisting of a light emitting diode LD and a transistor Q4, and a Zener diode ZD. and a power supply circuit 14 consisting of a transistor Q2.
, a return circuit 1 consisting of a resistor R and a transistor Q.
5 and a reset circuit 16. Here,
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 Q. Circuit power for the circuit is supplied via a power supply circuit 14 that makes the rectified voltage of the transmission signal Vs a constant voltage. 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. , controls the light emitting diodes LDa, Ll)b for displaying load operation (on→red, off→green), and
The state of the switches 81 to S is checked to form monitoring data, and the monitoring data is sent back from the return circuit 15 to the central control unit 1 as a current mode signal (a resistor R with a low resistance value is inserted between the signal lines 4). Signal the return signal Vll! Send to 4.

On the other hand, writing of data to the EEPROM constituting the address setting section 11 is performed by the signal processing circuit 10, and the data to be written is processed by signal processing of the signal received by the optical signal receiving section 12. formed, 32
Predetermined data of bits is written. Here, the signal received by the optical signal receiving section 12 is an optical wireless signal transmitted from a data setting device (not shown), and the response signal such as a reception confirmation signal from the optical signal transmitting section 13 is an optical wireless signal. The data is transmitted as a signal, and data can be reliably transmitted wirelessly between the monitoring terminal 2 and the data setting device6. [Effects of the Invention] The present invention is configured as described above, A remote monitoring and control terminal with a load control switch and a light emitting diode for displaying load operation on the front of a module-sized terminal case has one or more standardized wiring devices installed in a box. The operation handles of the two load control switches are formed in a size that covers the entire front of the terminal case, a hinge is provided on one side edge of the operation handle, and a return spring piece is provided on the back surface to form a handle block. The above-mentioned handle block is covered with the front surface of the terminal device case, and there is an effect that it is possible to provide a remote monitoring and control terminal device that is easy to operate.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view showing an example of how the embodiment of the present invention is installed in an embedded box, Fig. 2 is an exploded perspective view of the same, Fig. 3 is a perspective view of the main parts of the same, and Fig. 4 is a main part of the same. Partial sectional view, 5th
The figure is a front view of the same as the above, FIG. 6 is an exploded perspective view showing an example of installing another embodiment in the embedded box, FIG. 7 is an exploded perspective view of the same as the above, and FIG. Fig. 9 is a circuit diagram of the same as above, Fig. 10 is a schematic configuration diagram of the remote monitoring and control system I\ according to the present invention, Fig. 11 is an explanatory diagram of the operation of the same -F, and Fig. 12 is a front view of the conventional example. be. 2.2' is a monitoring terminal, 20 is a terminal case, 20a
is the case body, 20b is the cover, 22 is the operation block,
23 is an operating handle, 23a is a return spring piece, and 25 is a hinge portion.

Claims (2)

[Claims] (1) For remote monitoring and control, consisting of a load control switch and a light emitting diode for displaying load operation on the front of a terminal case with three modular dimensions of standardized wiring equipment installed in an embedded wiring box. In the terminal device, the operating handle of the load control switch is formed to a size that covers the entire front surface of the terminal device case, and a hinge portion is provided on one side edge of the operating handle, and a return spring piece is provided on the back surface to form an operating block. A terminal for remote monitoring and control, characterized in that the operation block is covered with the front surface of the terminal case. (2) For remote monitoring and control, consisting of a load control switch and a light emitting diode for displaying load operation on the front of a terminal case with three modular dimensions of standardized wiring equipment installed in an embedded wiring box. In the terminal device, the operation handles of the two load control switches are arranged vertically and formed in dimensions that cover the entire front of the terminal device case, and a hinge portion is provided on one side edge of the operation handle, and a hinge portion is provided on the back side of the operation handle. 1. A terminal for remote monitoring and control, characterized in that a return spring piece is provided to form an operation block, and the operation block is covered on the front surface of a terminal case.