JPH06189382A - Monitor terminal equipment for remote monitor control system - Google Patents

Abstract

PURPOSE:To obtain the monitor terminal equipment for the remote monitor control system in which a signal line is connected without screw tightening, the job performance is improved and the reliability is enhanced. CONSTITUTION:The terminal equipment is made up of a cover 15B and a body 15A, and a printed circuit board 21 with a terminal equipment circuit section mounted thereon is mounted in the body 15A. A terminal unit 19 is mounted on a rear side of the printed circuit board 21 and the rear side of the terminal unit 19 is exposed externally from an opening 20a. The terminal unit 19 incorporates a fast connection terminal used to connect the signal line and a signal line insertion hole is provided to the rear side exposed externally.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring terminal for a remote monitoring control system.

[0002]

2. Description of the Related Art FIG. 35 shows a schematic configuration of an example of a remote monitoring control system using time division multiplex transmission. In this system, the central control device 1 is connected to a plurality of monitoring terminals 2 and control terminals 3 to which unique addresses are set by a pair of signal lines 4.

The transmission signal Vs sent from the central control unit 1 to the signal line 4 is, as shown in FIG. 36 (a), a start pulse signal ST indicating the start of signal transmission, mode data MD indicating the signal mode, and a terminal device. Address data signal AD for calling 2, 3 and control data signal C for controlling load L ₁ ...
D, a checksum data signal CS, and a return standby signal WT for setting a return signal period, which is a baseband multipole (± 24V) time division multiplex signal, and data is transmitted by pulse width modulation. ing. In each of the terminals 2 and 3, the transmission signal V received via the signal line 4 is transmitted.
When the address data of s and the set unique address match, the control data of the transmission signal Vs is taken in, and the monitoring data signal is sent in the current mode (between the signal lines 4 in synchronization with the return standby signal WT of the transmission signal Vs). The signal is short-circuited via an appropriate low impedance and is sent back as a return signal.

Further, the central control unit 1 is provided with a dummy signal transmitting means for constantly transmitting the dummy transmission signal Vs, and an interrupt signal Vi returned from one of the monitoring terminals 2 as shown in FIG. There is provided an interrupt processing means for detecting the interrupt generating terminal device 2 when it is received, accessing the terminal device 2 and returning the monitoring data, while the monitoring terminal device 2 is provided with operation switches S _{1 to} S _{1. An} interrupt signal Vi is generated in synchronism with the start pulse signal ST of the dummy transmission signal Vs when there is a monitoring input by an operation such as _{4 and} a return standby signal of the transmission signal Vs in the address confirmation mode from the central control unit 1. Interrupt generating means for returning its own unique address data in synchronization with WT and transmission signal Vs in the interrupt access mode in response to the interrupt from the central control unit 1. A data return means for returning the monitoring data corresponding to the monitoring input when transmitted is provided.

As described above, in the central controller 1, the monitoring terminal 2 or the wireless relay terminal 5, the external interface terminal 6, and the pattern setting terminal 7 are used as described above.
The control data CD to be transmitted to the control terminal 3 for controlling the corresponding loads L _{1 to} L ₄ is created on the basis of the monitoring data returned from the central control unit 1 and the control data CD is transmitted through the signal line 4. The load L _{1 to} L ₄ is controlled by performing time division multiplex transmission to the control terminal 3 via the control terminal 3.

The wireless relay terminal device 5 is a terminal device for relaying data of an optical wireless system including an optical wireless transmitter Y, an optical wireless receiver X and a wireless signal line 8 and is transmitted from the optical wireless transmitter Y. The received optical signal is received by the optical wireless receiver X, the received data is received via the wireless signal line 8, and this data is transferred to the central controller 1.

Also, the external interface terminal 6 is
A terminal device for data transmission with the external control device 9,
The pattern setting terminal device 7 is a terminal device that transfers the pattern control data input from the data input unit 10 to the central control device 1. The distribution board 11 or the relay control board 1
A control terminal 3 is also provided in the control terminal 2, and a control output of the control terminal 3 controls a remote control relay for load control (a latching relay that can be turned on and off by a hand switch) 13. It has become so.

[0008]

By the way, in the conventional monitoring terminal 2, a terminal screw structure is used as a terminal portion for connecting to the signal line 4, but each terminal is tightened with a screwdriver. However, there is a problem that it takes a very long time to work when the number of terminals is large, and there is a possibility that a connection failure may occur due to a variation in tightening torque at that time.

The present invention has been made in view of the above problems, and the purpose thereof is to connect signal lines without screw tightening, thereby improving workability and reliability of connection. (EN) Provided is a monitoring terminal for a remote monitoring and control system which is improved.

[0010]

In order to achieve the above-mentioned object, the invention according to claim 1 comprises a pair of a central control device and a plurality of monitoring and control terminals to which unique addresses are set. Connect with a signal line, send a control data signal to access each terminal from the central controller as needed to control the load and a transmission signal to transmit a return standby signal to set a return signal period, and also to return signal period It is used in a remote monitoring control system in which control data and monitoring data are transmitted in a time division multiplex by sending a return signal from the terminal based on the monitoring data. It is equipped with a terminal circuit section for receiving transmission signals and returning operation information of operation switches as monitoring data, and is formed into a module size of a ready-made general wiring device and attached to a mounting frame. In addition to incorporating a terminal circuit section inside the body to be worn, in the terminal for monitoring of the remote monitoring control system in which the operation switch is exposed on the surface of the body, a terminal part for connecting the signal line is provided on the back side of the body, The terminal structure of the terminal portion is a quick-connect terminal structure.

According to a second aspect of the present invention, in the first aspect of the invention, the terminal portion comprises a terminal unit in which a quick-connect terminal portion is housed in a case, and a signal line insertion hole provided on one surface of the case is a body. The connection terminal exposed on the back surface and electrically connected to the quick-connect terminal portion is soldered to the printed wiring board on which the terminal circuit portion is mounted.

[0012]

According to the invention of claim 1, the terminal portion for connecting the signal line is provided on the rear surface of the body, and the terminal structure of the terminal portion is the quick-connect terminal structure. Therefore, it is possible to make a connection without the need for a connection, so that the time required for the connection work can be significantly shortened. Further, there is no variation in the connection, and the connection can be made reliable, and the reliability is improved.

According to a second aspect of the present invention, the terminal portion comprises a terminal unit in which a quick-connect terminal portion is housed in a case, and a signal line insertion hole provided on one surface of the case is exposed on the rear surface of the body, Since the connection terminals that are electrically connected to the quick-connect terminal are soldered to the printed wiring board on which the terminal circuit is mounted, it is easy to assemble the terminal into the terminal device and the assemblability is improved. To do.

[0014]

EXAMPLES The present invention will be described below with reference to examples. (Embodiment 1) FIGS. 1 and 2 show Embodiment 1 of the present invention, in which the monitoring terminal 2 comprises a body 15A made of a synthetic resin molded product and a cover 15B. The size of the body is made to correspond to one module size of a general wiring device, and is formed at the lower end of the cover 15B in the fitting hole 17 of the engaging portion 16 projecting upward from both end edges of the body 15A. The protrusions 18 are elastically fitted to each other so that the body 15A and the cover 15b are integrally combined. Here, the peripheral portion of the protrusion 18 that overlaps with the engaging portion 16 is the engaging portion 16
It is easy to combine by recessing in a shape that substantially matches with.

One end side of the body 15A projects downward, and a cavity for accommodating the terminal unit 19 constituting the terminal portion is provided in the projecting portion, and the terminal unit 19 is provided on the bottom surface of the projecting portion, that is, the back surface of the body 15A. In the figure, an opening portion 20a whose lower surface is exposed to the outside is provided.
The other end and for people address and type set respectively in the central portion side DIP switch SW _1, SW ₂ of the operation opening 20c for exposing the, 20b are provided.

The body 15A has a terminal circuit part mounted therein.
The printed wiring board 21 is mounted. This print layout
The wiring board 21 is on the lower surface and on the upper surface of the terminal unit 19.
Solder the projecting connection terminal 22 and terminal unit
Terminal circuit of the quick-connect terminal part in 19 and the printed wiring board 21
And the terminal unit 19 is held.
It Further, on the lower surface of the printed wiring board 21, an address and
Dip switch SW for setting type₁, SW₂Implement
ing. On the other hand, at least the upper surface of the printed wiring board 21
Operation switch S₁And a light emission to display the load operation
Diode LED ₁, LED₂Has been implemented. here
And light emitting diode LED₁, LED₂As red and green
By using the ones with different emission colors,
Make it easy to identify the operating state of the corresponding load L
There is.

The cover 15B has a central portion protruding upward,
On the upper surface of this protrusion, the handle 23 of the operation switch S ₁
A handle window 24 that exposes the LED and a display window 25 that exposes the light emitting diodes LED ₁ and LED ₂ are formed. Further, a pair of locking claws 26 are provided so as to project from both end edges of the cover 15b, and the locking claws 26 are used to mount a general wiring device on a wall surface using a synthetic resin mounting frame (see FIG. 16). (Refer to the mounting frame 46 'of FIG. 3)).

A metal mounting frame (see mounting frame 46 in FIG. 7) is provided at the base of both end surfaces of the projecting portion of the cover 15B.
A fitting attachment portion 27 is provided corresponding to the case of attachment to. A name card 28 is placed on the upper surface of the handle 23 protruding from the handle window 24 of the cover 15b, and a name cover 29 is detachably attached. Notches 30 are provided at both ends of the name cover 29, and projections 31 provided at both ends of the handle 23 are elastically fitted into the notches 30 and attached to the handle 23.

The terminal unit 19 has the structure shown in FIGS. 3 to 5, and the case is formed by combining the cover 32A and the body 32B.
On both side surfaces of B, there are provided claws 33 inclined so that the projecting length in the upper part becomes longer in the figure, and elastic leg pieces 35 having locking hole parts 34 projecting upward from both sides of the other cover 32A. The cover 33 by locking the claw 33 in the locking hole 34.
2A and the body 32B are joined together without using screws or the like, so that the assemblability is good. In the case having the above-described structure, the terminal plate 36 and the locking spring 37 that faces the terminal plate 36 and holds the wire of the signal line 4 between the terminal plate 36 and the terminal plate 36.
The quick-connecting terminal portion 38 configured by is internally provided. And
The two quick-connect terminal portions 38 form one set, and the two sets are internally mounted in the case. Each set of quick-connect terminal portions 38 and the other set of quick-connect terminal portions 38 are separated by an insulating partition wall (not shown) provided on the body 32B. Each terminal board 36 has a U-shaped portion 36 a and a U-shaped portion 3 which are U-shaped.
6a and a protruding terminal portion 36b protruding downward from the lower end portion of 6a, and a part of the protruding terminal portion 36b is bent sideways to serve as a floating prevention protrusion 36c. Locking spring 3
Reference numeral 7 is substantially U-shaped and is housed in a U-shaped portion 36 a of the terminal plate 36. The locking spring 37 has a wide width so as to accommodate a wide wire diameter.

A release button fitting hole 39 is provided on the outer surface (upper surface portion) of the body 32B, and this push button fitting hole 3 is formed.
The head of the release button 40 is movably fitted in the cover 9 and a plate-shaped insulating partition wall 4 is provided under the head of the release button 40.
1 is integrally hung, and this plate-shaped insulating partition wall 4
The lock spring operating projections 42 are provided on both sides of the upper part of the projection 1. Rail grooves (not shown) are provided on the inner walls of the body 32B that face each other, and the side ends of the insulating partition walls 41 are slidably fitted in the rail grooves. The insulating partition wall 41 is disposed between the two quick-connecting terminal portions 38 forming the pair of quick-connecting terminal portions 38 with the insulating partition wall 41 fitted in the rail groove in this way, and the double-speed connecting terminal portions are arranged. The part 38 is insulated. The locking spring operating protrusions 42 on both upper sides of the insulating partition wall 41 have M-shaped locking springs 37 on both sides.
The elastic inclined piece 37a is elastically contacted, and the release button 40 is normally elastically pushed upward by the spring force of the elastic inclined piece 37a. On the other hand, when the head of the release button 40 is pushed, the pair of lock spring operating projections 42 pushes the elastic inclined pieces 37a of the pair of lock springs 37,
As a result, the locking spring 37 is compressed in the direction away from one piece of the U-shaped portion 36a.

Further, on the upper surface portion which is a part of the outer wall of the body 32B which constitutes a part of the case in which the quick-connect terminal portion 38 is housed, an electric detection hole 43 is provided at a position facing each terminal plate 36. In addition, a wire insertion hole 44 is provided at a position facing between the terminal plate 36 and the locking spring 37. Hole 4 for voltage detection
Reference numeral 3 is a hole for inserting a tester bar, which enables electric detection (signal check) when the terminal unit 19 is attached to the printed wiring board 21 and after the construction.

When the core wire of the signal wire 4 is inserted through the signal wire insertion hole 44, the core wire is inserted and sandwiched between the tip of the inclined piece 37a of the locking spring 37 and one piece of the U-shaped portion 36a. It is electrically and mechanically connected to the terminal board 36. When pulling out the signal line 4, the release button 4
When the head of 0 is pushed with a finger or a jig such as a screwdriver,
As shown in FIG. 7, the pair of locking spring operating projections 42 pushes the elastic inclined pieces 37a of the pair of locking springs 37, which pushes the locking springs 37 away from one piece of the U-shaped portion 36a. The signal line 4 can be pulled out by being contracted, and the pressing and pinching of the signal line 4 by the locking spring 37 is released.

Here, by providing two pairs of quick-connecting terminal portions 38, that is, by providing the terminal plate 36 having four poles independently, the feed wiring specification of two poles can be easily coped with (that is, printing). This can be done simply by connecting the lands of the wiring board 21). By the way, when attaching to the printed wiring board 21, the connection terminal 22 protruding outward from the case at one end of the terminal board 36 is inserted into the hole formed in the printed wiring board 21, and a part of the connection terminal 22 is placed sideways. The protruding prevention protrusions 36c that are bent are locked to the back surface side of the holes of the printed wiring board 21. In this case, the hitting protrusion 45 provided on the cover 32A abuts the printed wiring board 21. In this way, the printed wiring board 21 is mounted by soldering in a state where the printed wiring board 21 can be self-supported so as not to float up and be pulled out by the rising prevention protrusions 36c. By this, soldering can be performed accurately and easily. become.

As shown in FIG. 6, the terminal circuit section is transmitted from the central control unit 1 through a transmission signal processing circuit 50 including a CPU which uses the oscillation signal of the crystal oscillator X as a reference clock and a signal line 4. After the transmission signal Vs is rectified by the rectifier 51, a stabilized DC voltage is obtained and used as a power supply for the terminal circuit section. The DC power supply circuit and the transistor Q ₁ for taking the transmitted transmission signal into the transmission signal processing circuit 50. An input circuit 52 and a return circuit 53 consisting of a transistor Q ₂ which short-circuits the output terminal of the rectifier 51 via a resistor R ₀ with a signal from the transmission signal processing circuit 50 in order to return the monitoring data as a current mode signal. , Transmission signal processing circuit 5
An operation switch S ₁ which is connected to the input port of 0 and applies an operation signal as monitoring data to the transmission signal processing circuit 50;
Driven by a drive signal based on the control data CD transmitted to the central controller 1 by the transmission signal Vs,
A pair of light emitting diodes LED ₁ and LED ₂ for displaying the on / off state of the load L corresponding to the operation switch S ₁ , a DIP switch SW ₁ for setting a unique address, and a DIP switch SW ₂ for setting a type etc. The address setting unit and the power reset circuit 54 are configured.

(Embodiment 2) The above embodiment 1 is a general wiring device.
It corresponded to one module size of
In the embodiment, as shown in FIGS. 7 and 8, a body 15A, a cover
The size of the body consisting of 15B is a series of general wiring equipment
Two operation switches, which correspond to the size of the tool
S₁, S₂Is provided. Body 15A is the terminal circuit
Circuit element and operation switch S₁, S₂And each operation switch
Touch S₁, S₂2 sets of light emitting diodes for display corresponding to
LED₁, LED₂Is mounted on the top and bottom of the surface
Then, the terminal unit 19 similar to that of the first embodiment is provided on the upper surface of the back surface.
Mounted and DIP switch SW₁, SW₂The real
The printed wiring board 21 that is installed is stored and placed on the bottom surface.
As shown in FIG. 8, the terminal unit is opened from the opened opening 20a.
The back surface of the door 19 is exposed and the dip is made through the opening 20b.
Switch SW₁Expose. On the other hand, the opening of the body 15A
The upper and lower parts of the protruding part of the cover 15B attached to the part
Itch S₁, S₂ Handle window corresponding to each handle 23
24 and each set of light emitting diode LED₁ LED₂Corresponding to
The display window 25 ...

The cover 15B is connected by elastically inserting locking pawls 60 projecting from the rear portions on both sides into the locking holes 61 of the body 15A and locking them, and in this combined state, the projecting portions of the cover 15B are sheet metal. Central opening 4 of the mounting frame 46 made of
6a are fitted from the back side, and fixing screws 48 which are respectively inserted from the back side into the four square holes 47 of the body 15A are covered.
The body consisting of the body 15A and the cover 15B is fixedly attached to the mounting frame 46 by being screwed and fastened into the screw hole 46b of the mounting frame 46 through the hole 49 of B.

Two pairs of locking claws 26 are provided on both sides of the cover 15B so that they can be detachably mounted on the synthetic resin mounting frame 46 '. . In the terminal circuit unit used in this embodiment, two pairs of display light emitting diodes LED ₁ and LED ₂ are used for the transmission signal processing circuit 5.
0 output port, and the transmission signal processing circuit 50
The difference is that the two operation switches S ₁ and S ₂ are connected to the input port of FIG. A load number corresponding to the load L connected to the control terminal 3 is assigned to each of the operation switches S ₁ and S ₂ , and the load can be controlled individually.

(Embodiment 3) This embodiment is shown in FIGS.
Three operating switches S as shown₁~ S₃Equipped with
And each operation switch S on the printed wiring board 21.₁
~ S₃And the operation switches S₁
~ S₃Corresponding to the display light emitting diode LED₁, LED
₂3 sets are mounted, and each of these operation switches is mounted on the cover 15B side.
Chi S₁~ S ₃Handle window 2 to expose the handle
The structure is different from that of the second embodiment in that four are provided.
It Further, in terms of circuit configuration, the input port of the transmission signal processing circuit 50 is
Switch with three operation switches S₁~ S₃3 sets of
Light emitting diode LED for display ₁, LED₂The transmission signal
Different in that it is connected to the output port of the processing circuit 50
There is. Each operation switch S₁~ S₃Is the corresponding address
Load number corresponding to the load L connected to the control terminal 3
Are assigned, and each can individually control the load. Again
Since the path configuration is basically the same as the circuit of the first embodiment,
Illustration of the circuit configuration is omitted as in the third embodiment.

(Embodiment 4) In this embodiment, FIGS.
As shown in FIG. 4, the four operation switches S _{1 to} S ₄ are provided, and each operation switch S ₁ is provided on the printed wiring board 21.
_{1 to} S ₄ are mounted and each of these operation switches S
Display light emitting diode LED ₁ , LE corresponding to ₁ ~ S ₄
This is different from the second embodiment in structure in that four sets of D ₂ are mounted and four handle windows 24 for exposing the handles of the operation switches S _{1 to} S ₄ are provided on the cover 15B side. Further, in the circuit configuration, three operation switches S _{1 to} S ₄ are connected to the input port of the transmission signal processing circuit 50, and four sets of light emitting diodes LED ₁ and LED ₂ for display are used as the output ports of the transmission signal processing circuit 50. They differ in that they are connected. A load number corresponding to the load L connected to the control terminal 3 having a corresponding address is assigned to each of the operation switches S _{1 to} S ₄ , and the load can be controlled individually. Since the circuit configuration is basically the same as that of the first embodiment, the illustration of the circuit configuration is omitted as in the third embodiment.

In the above-described first to fourth embodiments, the address, type, etc. are set by using the DIP switches SW ₁ and SW ₂ , but the following embodiments use the optical wireless transmitter to set the setting data to the terminal device. The data is transmitted as an infrared signal and is written in a storage section formed of an EEPROM provided in the terminal circuit section. Next, these examples will be described.

(Embodiment 5) This embodiment is a general wiring device 1
The module size corresponds to that of the first embodiment.
As shown in FIG. 3, the printed wiring board 21 is housed in the body.
A switch SW ₁ and at least a light emitting diode LD ₁ and a photodiode PD ₁ in addition to the _two light emitting diodes LED ₁ and LED ₂ for display are mounted on the upper surface of the.
On the other hand, the handle 2 of the operation switch S ₁ is provided on the cover 15B.
A handle window 24 that exposes 3 freely and a display window 25 that exposes the light emitting diodes LED ₁ and LED ₂ for display
Besides, light emitting diode LD ₁ and photodiode PD
Transmission / reception window 6 for transmitting / receiving optical wireless signals by ₁
6 is formed. The transmission / reception window 66 has a filter 6
4 is attached. A decorative cover 62 is attached on the protruding portion of the cover 15B. Here, the makeup cover 6
2 has a slightly recessed upper surface, and a name plate 63 is attached to the recess. The windows 24, 2 of the cover 15 are provided on the upper surface.
There are holes corresponding to 5, 66. Locking pieces 62a vertically provided from four positions on the lower surface of the decorative cover 62 are elastically fitted to the projections 65 projecting from both sides of the fitting mounting portion 27 of the cover 15B, and are attached to the cover 15B. .
The name plate 63 is made of a flexible transparent material, and forms a portion into which the name card 28 is inserted. On the other hand, as shown in FIG. 14, only the opening 20a for exposing the terminal unit 19 attached to the lower surface of the printed wiring board 21 is opened on the bottom surface of the body 15A.

The structure described above is the structure of this embodiment different from that of the first embodiment, and the other structures are the same as those of the first embodiment. Figure 1
Reference numeral 5 shows the configuration of the terminal circuit portion of this embodiment. The difference between this embodiment and the first embodiment is that the dip switches SW ₁ and S
A storage unit 55 for rewritably storing data such as a unique address composed of an EEPROM instead of W ₂ , a load number to be controlled, a type of a terminal device, and a function, and the storage unit 55.
An optical signal receiving unit 56 and an optical signal transmitting unit 57 that together constitute an optical setting unit are provided.

The optical signal receiver 56 is a photodiode PD.
Transmission signal processing circuit 5 after amplifying and shaping the optical signal received in ₁
0, and the optical signal transmitter 57 transmits the optical signal to the transmission signal processing circuit 5
The light emitting diode LD ₁ is driven by a drive signal from 0, and an optical signal is transmitted. A portable wireless transceiver is used for transmitting and receiving data to and from the optical signal transmitting / receiving unit 56 and the optical signal transmitting unit 57.

Therefore, in the case of changing or setting the setting data in this embodiment, if the transmitter / receiver of the portable wireless transmitter / receiver is directed toward the transmitting / receiving window 66 and the key operation is performed according to a predetermined procedure, it is peculiar. The transmission data of the address, load number, type, and function can be transmitted, and the transmitted optical signal is transmitted through the transmitting / receiving window 66 to the photodiode P in the body.
The light is received at D ₁ and is received by the transmission signal processing circuit 50 via the optical signal receiving unit 56, and the transmission signal processing circuit 50 rewrites and changes the setting data stored in the storage unit 55 based on the received data.

When the rewriting change is completed, the transmission signal processing circuit 50 drives the light emitting diode LD ₁ of the optical signal transmitting section 57 and returns it as an optical signal to the portable wireless transceiver through the transmitting / receiving window 66. The portable wireless transmitter / receiver that receives the reply signal displays the contents of the returned data on the display unit so that it can be confirmed whether or not the settings have been made correctly.

The portable wireless transceiver can also call and confirm the data already stored in the storage unit 55. In this case, if the confirmation mode signal is transmitted from the portable wireless transmitter / receiver, the transmission signal processing circuit 50 reads the setting data from the storage unit 55 corresponding to the confirmation mode signal, and the optical signal transmission unit 57 causes the portable wireless transmitter / receiver unit 57 to transmit the confirmation data. Send to the transceiver. The portable wireless transmitter / receiver that receives the transmitted optical signal displays the data on the display unit.

(Embodiment 6) This embodiment is an embodiment corresponding to Embodiment 2 in which two operation switches S ₁ and S ₂ are provided as shown in FIGS. 16 and 17, and the size of the body is Ready-made 1
It is formed in the size of a single module in which three wiring devices of individual modules are arranged in series. The cover 15B has a structure in which locking claws 60 'vertically extending from four positions are elastically fitted and combined with locking holes 61' formed at corresponding positions of the body 15A. The structures having the same roles as those in the fifth embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. Further, in the case of the present embodiment, except that the number of operation switches S ₁ and S ₂ is increased and that the number of light emitting diodes LD ₁ and LED ₂ for display is increased accordingly. Since the circuit configuration is the same as that of the fifth embodiment, the circuit configuration is not shown.

(Embodiment 7) This embodiment corresponds to Embodiment 3 in which three operation switches S _{1 to} S ₃ are provided as shown in FIGS. 18 and 19, and is basically an embodiment. Since it is the same as the sixth embodiment, the structure having the same role as that of the sixth embodiment is denoted by the same reference numeral, and the detailed description thereof will be omitted. Further, in the case of the present embodiment, the number of operation switches S _{1 to} S ₃ is increased, and accordingly, the light emitting diode L for display is displayed.
Since the circuit configuration is the same as that of the fifth embodiment except that the numbers of D ₁ and LED ₂ are increased, the illustration of the circuit configuration is omitted.

(Embodiment 8) This embodiment corresponds to Embodiment 4 in which four operation switches S _{1 to} S ₄ are provided as shown in FIGS. 20 and 21, and is basically an embodiment. 6, 7
The same number is given to the structure having the same role as in the sixth and seventh embodiments, and the detailed description thereof will be omitted. Further, in the case of the present embodiment, except that the number of operation switches S _{1 to} S ₄ is increased and that the number of light emitting diodes LD ₁ and LED ₂ for display is increased accordingly. Since the circuit configuration is the same as that of the fifth embodiment, illustration of the circuit configuration is omitted.

(Embodiment 9) In the above-mentioned Embodiments 5 to 8, the load L is used.
It was a monitoring terminal 2 for turning on / off the
This embodiment is a monitoring terminal 2 for dimming a lighting load, and as shown in FIGS. 22 and 23, the size of the body is three ready-made one-module wiring appliances. It is formed to the size of the installed single module. On the surface of the printed wiring board 21, a switch S ₁ for on / off operation,
Dimming up switch S _U and down switch S
_D and light emitting diode LED ₁ , LED for on / off display
₂ and light emitting diode LED _{11 to} L for dimming level display
The ED ₁₆ , the light emitting diode LD ₁ for transmission and the photodiode PD ₁ for reception are mounted, and the terminal unit 9 is mounted on the back surface. The cover 15B has a handle window 24 that exposes the handle 23 of the operation switch S ₁ so that it can be moved back and forth, a display window 25 that exposes the light emitting diodes LED ₁ and LED ₂ for display, an optical wireless system using the light emitting diode LD ₁ and the photodiode PD _1. In addition to the transmitting / receiving window 66 in which the filter 64 for transmitting / receiving a signal is mounted, the windows 70 _{11 to} 7 exposing the light emitting diodes LED _{11 to} LED ₁₆ are also provided.
0 ₁₆ with an opening, are formed integrally with the switch S _U, S _D of the operation button 71 _U, 71 _D. Also cover 15
A decorative cover 62 is attached on the protruding portion of B.
An upper surface of the decorative cover 62 is slightly recessed, and a name plate 63 is attached to the recess. Further, the decorative cover 62 has holes corresponding to the windows 24, 25, 66, 70 ₁₁ to 70 ₁₆ of the cover 15B, and holes corresponding to the operation buttons 71 _U and 71 _D. The name plate 63 is formed of a flexible transparent material, and has a portion for inserting the name card 28 and operation buttons 71 _U , 71 _D.
The pressing portion corresponding to is formed. Since the other structures are the same as those of the sixth embodiment, the description thereof will be omitted.

FIG. 24 shows a circuit configuration of this embodiment. In this embodiment, each light emitting diode LED ₁ , LED ₂ , LED _{11 to} LE is connected to the output port of the transmission signal processing circuit 50.
D ₁₆ is connected, and switches S _U and S are connected to the pair of input ports.
_D is connected to each and the operation switch S ₁ is connected to one input port. And these switches S _U and S _D
By sending back the operation information of to the central monitoring and control panel 1,
The lighting load connected to the corresponding dimming control terminal can be dimmed.

In the first to ninth embodiments, the mounting frame 46 or 4 is used.
Although 6'has a separate structure, the following embodiment is one in which the mounting frame is integrated with the cover 15B. (Embodiment 10) In this embodiment, as shown in FIGS. 25 and 26, the terminal circuit portion is mounted on a printed wiring board 21 which is a printed wiring board.
It will be delivered to 5A. The body 15A has a rectangular parallelepiped shape with a front opening, and is combined with a cover 15B that closes the front opening to form a body of a series of module sizes of general wiring equipment. The body 15A and the cover 15B are the same as the cover 15B.
The engaging claws 80 projecting from the both side surfaces are engaged with the engaging holes 81 formed in the both side walls of the body 15A on the inside. The cover 15B also serves as a mounting frame for attaching the body 15A to the construction surface. As a result, the body can be attached to a ready-made embedded box for wiring equipment. A nameplate 82 is attached to the rear surface of the body 15A. In addition, an opening 20a exposing the terminal unit 19 for connecting the signal line 4 is provided on the rear surface of the body 15A. The terminal unit 19 is mounted on the printed wiring board 21 as in the above-described embodiments.

Further, a plate mounting step portion 83 is formed on the peripheral portion of the cover 15B so that the decorative plate 84 can be attached so as to cover the front surface of the cover 15B as shown in FIG. There is. That is, a hooking claw (not shown) that can be engaged with the plate mounting step portion 83 is provided on the rear surface of the decorative plate 84, and the decorative plate 84 can be pressed by simply pressing the decorative plate 84 against the cover 15B. It can be connected to the cover 15B.

The printed wiring board 21 is provided on the cover 15B.
The through-hole 86 is formed at a position corresponding to the push-button type operator of the operation switch S ₁ mounted on the operator.
Through to the front side of the cover 15B. Further, the cover 15B is provided with a display window 87 into which the light emitting diodes LED ₁ and LED ₂ corresponding to the operation switch S ₁ are inserted in pairs, and further, the photodiode PD ₁ and the light emitting diode LD _{1 for} transmitting and receiving wireless signals are formed. A transmission / reception window 88 for exposing the is formed. The through hole 86 and the windows 87 and 88 have a recess 89 formed in the front surface of the cover 15B.
A nameplate 90 is fitted in the recess 89. The nameplate 90 is formed with through holes 86 and through holes corresponding to the windows 87 and 88.

Most of the front surface of the cover 15B is the handle 9.
Covered by 1. The handle 91 includes a handle substrate 92 which is a synthetic resin molded product, and a handle plate 94 which is fitted into a recess 96 formed in the front surface of the handle substrate 92. The handle substrate 92 includes a fixed piece 95 arranged along the left side edge of the cover 15B, and a movable plate 96 integrally connected to the fixed piece 95 via a hinge. A cover 15B is attached to the fixed piece 95 and the movable plate 96.
A coupling claw 37 that can be engaged with the coupling hole 85 formed in the above is provided in a protruding manner. The coupling claw 97 provided on the fixed piece 95 has a coupling hole 85.
The projection size is set so as to prohibit the movement of the fixed piece 95 with respect to the cover 15B when engaged with the movable plate 96, and the coupling claw 97 provided on the movable plate 96 is engaged with the engagement hole 29.
The projecting dimension is set so that can be swung in the direction away from and in contact with the cover 15B. That is, the movable plate 96 is biased in the direction away from the cover 15B by the spring force of the hinge, and when the pressing force is not applied to the movable plate 96, the cover 15B is engaged by the engagement between the coupling claw 97 and the coupling hole 85.
However, when a pressing force is applied to the movable plate 96, the movable plate 96 approaches the cover 15B around the hinge. That is, it is possible to operate the operation switch S ₁ by applying a pressing force to the operator of the operation switch S ₁ by the pressing force on the movable plate 96.

The fixed piece 95 has a window 87 of the cover 15B,
A through hole is formed corresponding to each of the 88, and the through hole is formed in the recessed step portion 10 formed along the longitudinal direction of the fixing piece 95.
We are facing 2. A translucent display cover 103 is fitted in the recessed step portion 102, and the display cover 103 is fixed to the handle substrate 92 by using an adhesive or an adhesive. Also,
The handle plate 94 is curved so that the center portion in the left-right direction of the front surface projects more than both end portions, and the back surface is flat and is fitted into the recess 93 of the movable plate 96 via the label 101.

In this embodiment, the whole structure can be formed thin. If a handle plate 94 provided with three movable plates 96 as shown in FIG. 27 and FIG. 28 is used, a monitoring terminal provided with three operation switches S _{1 to} S ₃ becomes
Further, if four handle plates 94 are used as shown in FIGS. 29 and 30, a monitoring terminal device provided with _one operation switch S ₁ to S ₄ is used, and one operation is performed as shown in FIGS. 31 and 32. It is possible to realize the monitoring terminal 2 which is provided with the switch S ₁ and the up and down switches S _U and S _{D, and} which is provided with the light emitting diodes LED _{11 to} LED ₁₆ for displaying the dimming level and capable of the dimming operation. . The terminal circuit section is based on the circuits used in the fifth to ninth embodiments.

[0048]

According to the first aspect of the present invention, the terminal portion for connecting the signal line is provided on the rear surface of the body, and the terminal structure of the terminal portion is the quick-connect terminal structure. Since it is possible to connect without doing so, it is possible to significantly shorten the time for wiring work, and there is an effect that the wiring can be made reliable without variations in the wiring and reliability is improved. .

According to a second aspect of the present invention, the terminal portion comprises a terminal unit having a quick-connect terminal portion housed in a case,
The signal line insertion hole provided on one surface of the case is exposed on the rear surface of the body, and the connection terminal electrically connected to the quick-connect terminal portion is
Since it is soldered to the printed wiring board on which the terminal circuit portion is mounted, there is an effect that the terminal portion can be easily incorporated into the terminal device and the assembling property is improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

FIG. 2A is a front view of the same. (B) is a side view in which the same as above is partially broken. (C) It is a rear view of the above.

FIG. 3 is an exploded perspective view of a terminal unit used in the above.

FIG. 4 is an enlarged perspective view of a terminal unit used in the above.

FIG. 5 is an enlarged cross-sectional view of a main part of the terminal unit used in the above.

FIG. 6 is a circuit diagram of the same as above.

FIG. 7 is an exploded perspective view of a second embodiment of the present invention.

FIG. 8 (a) is a front view of the same. (B) is a side view in which the same as above is partially broken. (C) It is a rear view of the above.

FIG. 9 is an exploded perspective view of a third embodiment of the present invention.

FIG. 10 is a front view of the above.

FIG. 11 is an exploded perspective view of a fourth embodiment of the present invention.

FIG. 12 is a front view of the above.

FIG. 13 is an exploded perspective view of a fifth embodiment of the present invention.

FIG. 14 (a) is a front view of the same. (B) is a side view in which the same as above is partially broken. (C) It is a rear view of the above.

FIG. 15 is a circuit diagram of the above.

FIG. 16 is an exploded perspective view of a sixth embodiment of the present invention.

FIG. 17 (a) is a front view of the same. (B) is a side view in which the same as above is partially broken. (C) It is a rear view of the above.

FIG. 18 is an exploded perspective view of a seventh embodiment of the present invention.

FIG. 19 is a front view of the above.

FIG. 20 is an exploded perspective view of an eighth embodiment of the present invention.

FIG. 21 is a front view of the above.

FIG. 22 is an exploded perspective view of a ninth embodiment of the present invention.

FIG. 23 is a front view of the above.

FIG. 24 is a circuit diagram of the same.

FIG. 25 is an exploded perspective view of Embodiment 10 of the present invention.

FIG. 26 (a) is a front view of the above. (B) is a side view in which the same as above is partially broken. (C) It is a rear view of the above.

FIG. 27 is an exploded perspective view of Embodiment 11 of the present invention.

FIG. 28 is a front view of the above.

FIG. 29 is an exploded perspective view of a twelfth embodiment of the present invention.

FIG. 30 is a front view of the above.

FIG. 31 is an exploded perspective view of Embodiment 13 of the present invention.

FIG. 32 is a front view of the above.

FIG. 33 is an exploded perspective view of Embodiment 14 of the present invention.

FIG. 34 is a front view of the above.

FIG. 35 is an overall configuration diagram of a remote monitoring control system.

FIG. 36 is an explanatory diagram of transmission signals used in the system of FIG. 35.

[Explanation of symbols]

S ₁ operation switch 2 monitoring terminal 15A body 15B cover 19 terminal unit 20a opening 21 printed wiring board

Claims (2)

[Claims] 1. A central control device and a plurality of monitoring and control terminals having unique addresses are connected by a pair of signal lines, and each terminal device is appropriately accessed from the central control device to load a load. Control data and monitoring are performed by transmitting a transmission signal that transmits a control data signal to be controlled and a return standby signal that sets a return signal period, and by transmitting a return signal based on monitoring data from the terminal device during the return signal period. Used in a remote monitoring and control system that transmits data in a time-division multiplex manner, and is a terminal circuit unit for operating switches, receiving transmission signals from a central control unit, and returning operating information of operating switches as monitoring data. With a terminal circuit section built into the body that is equipped with a mounting frame and is formed into the module size of a ready-made general wiring equipment, In the remote monitoring and control terminal of the remote monitoring and control system, which is exposed on the surface, the terminal section for connecting the signal line is provided on the back side of the body, and the terminal structure of the terminal section is a quick-connect terminal structure. Control system monitoring terminal. 2. The terminal portion comprises a terminal unit in which a quick-connect terminal portion is housed in a case, and a signal line insertion hole provided on one surface of the case is exposed on the rear surface of the body to electrically connect to the quick-connect terminal portion. The monitoring terminal of the remote monitoring control system according to claim 1, wherein the connected connection terminal is soldered to a printed wiring board on which a terminal circuit section is mounted.