JP2858970B2 - Card insertion switch for remote control system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a card insertion type switch for a remote control system which is turned on and off in accordance with insertion and removal of a card from a card insertion slot opened in a case body. .

[0002]

2. Description of the Related Art In recent years, in a facility such as a hotel, a card key has been used in which a magnetic recording unit is provided on a hard card made of synthetic resin or the like, and a room number or the like is collated with the contents stored in the magnetic recording unit. ing. In hotels using such a card key, a card insertion switch is placed in the room to prevent forgetting to turn off the lighting inside the room, and the card key is inserted into the card insertion switch. A system is adopted in which power is supplied to the room only during insertion. In addition to a card key, a card attached to a room key is used as a card.

[0003]

The conventional card insertion type switch is usually used together with an electromagnetic contactor to control a large-capacity load. Therefore, a lead from the case body to the electromagnetic contactor is used. The line had been drawn directly. As a result, there is a problem in that there are many restrictions on wiring construction and the construction is troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems. By providing terminals on a case main body, wiring restrictions are reduced. An object of the present invention is to provide a card insertion type switch for a remote control system which can be adopted and facilitates installation work.

[0005]

In order to achieve the above object, according to the present invention, a plurality of terminals each having an individually set address are connected to a main controller via a transmission line composed of a pair of lines. Connect and set the address data for each terminal from the main controller to each terminal, the transmission data to each terminal, and the period for receiving the response data from the terminal to the main controller. A time period multiplex transmission of a transmission signal including a signal return period is performed, and a load connected to the other terminal in response to a monitoring input input to one of the terminals in a pair having a correspondence relationship set by an address. A card insertion type switch used in a remote control system for controlling a switch body, the switch body being turned on and off in accordance with insertion and removal of a card from a slot opened in a case body, and a switch body A terminal processing unit that creates reply data with the on / off status as a monitoring input, an address setting unit that sets an address, and a display element that lights up when a card is not inserted into a slot, and includes a transmission line and a terminal. A signal terminal for connecting to the processing unit and a power supply terminal for supplying power to the display element are provided on the back surface of the case body, and the terminal processing unit stores address data matching the address set by the address setting unit. Is received from the transmission line, the ON / OFF state of the switch body is returned to the main controller as return data.

According to a second aspect of the present invention, the case main body includes a base attached to a wall or the like, and a cover engaged with a front surface of the base, and the base is screwed into an embedding box for wiring equipment. A pinch capable of holding a peripheral portion of a through-hole through which a screw is inserted and a mounting hole formed in a wall panel between the base and a tightening screw passing through the through-hole to change the distance to the base. A hook hole into which a part of the metal fitting is hooked.

[0007]

According to the first aspect of the present invention, since the ON / OFF state of the switch body is transmitted by the time division multiplex transmission system, the number of connections is reduced as compared with the case where the switch body and the load are directly connected. In addition, a signal terminal for connecting the transmission line to the terminal processing unit and a power terminal for supplying power to the display element are provided on the back of the case body, so the lead wire is drawn out. In comparison with the above, there are fewer restrictions on wiring construction. In addition, since a display element that lights up when the card is not inserted into the slot is provided, the position is displayed, and it is possible to easily find even a place where the lighting fixture is not turned on.

According to a second aspect of the present invention, a through hole through which a box screw to be screwed into an embedding box for wiring equipment is inserted into a base which forms a part of the case main body and is attached to a wall or the like, and a wall panel. And a catch hole through which a part of a clamp that can return to a distance from the base by being screwed into a tightening screw passing through the through hole and holding the periphery of the mounting hole formed in the base is provided. Therefore, by using an embedding box for wiring equipment or using a clip for wiring equipment, it is possible to adopt the same construction method as wiring equipment, and mounting work becomes easy. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS.
Is formed by connecting the base 10 and the cover 20.
The base 10 has a mounting flange 12 formed on the entire periphery of the opening edge of a box-shaped body portion 11 having an open front surface. A spacer rib 13 is provided on the inner peripheral surface of the peripheral wall of the body portion 11. It is protruded. A circuit board 30 made of a printed board abuts on the front end face of the spacer rib 13 and the body 1
1 and the circuit board 30 are spaced apart from each other. On the circuit board 30, components constituting a circuit unit described later, such as a switch main body 2 formed of a microswitch, a plurality of light emitting diodes 31 as display elements, and a dip switch 32 for address setting, are mounted. On the rear surface of the body portion 11, a plurality of terminal plates 34 in which terminal screws 33 are screwed are provided. Each terminal plate 34 is fixed to the base 10 by being caulked to the rear wall of the body portion 11, and is connected to the circuit board 30 through a lead wire 35.
Connected to. An opening window 14 is formed on a rear wall of the body 11 at a position corresponding to the dip switch 32.
The dip switch 32 can be operated from the back side of the base 10.

The mounting flange 12 has a pair of through holes 15 formed in a long hole shape, and a pair of hook holes 16 provided on both sides of each through hole 15. That is,
When an embedding box such as a switch box used for attaching an embedding-type wiring device is embedded in a wall surface, the base 10 is attached to the wall surface by screwing a box screw into the embedding box through the through hole 15. You can do it. When the base 10 is mounted on a wall panel such as a gypsum board, a part of a clip metal that can clamp the peripheral portion of the mounting hole formed in the wall panel with the base 10 is scratched by the hook hole 16. At the same time, a tightening screw may be screwed into the clamp through the through hole 15 and the tightening screw may be tightened so that the distance between the base 10 and the clamp is reduced.

Engagement hooks 17 are protruded from the front surface of the mounting flange 12 at four locations, and the tips of the engagement hooks 17 engage the inner peripheral surface of the peripheral wall of the cover 20.
The base 10 and the cover 20 are connected. Further, four fixing bases 19 each having a fixing recess 18 are protruded from the front surface of the mounting flange 12. An inner cover 40 is provided on the front surface of the base 10, and the circuit board 30 is sandwiched between the spacer rib 13 and the inner cover 40. A fixed projection 41 is provided on the periphery of the inner cover 40 to protrude therefrom.
The inner cover 40 is fixed to the base 10 by the engagement of the fixing protrusion 41 with the fixing recess 18. The inner cover 40 is arranged so as not to cover the through hole 15 formed in the base 10. The switch body 2 is attached to the inner cover 40.
A notch groove 42 for passing the operation lever 2a is formed, and a pair of holding frames 43 for holding both sides of the card 3 are formed on both sides of the notch groove 42. The holding frame 43 protrudes to the front side of the inner cover 40 and has a guide groove 44 for guiding the side of the card 3 so as to be slidable. A pair of guide ribs 45 for holding the card 3 between itself and the inner peripheral surface of the guide groove 44 are provided on both sides of the front surface of the inner cover 40 so that a part of the card 3 contacts the switch body 2. It is protruding. An illumination recess 46 is formed between the two guide ribs 45, and a light emitting diode 31 is provided on a rear wall of the illumination recess 46.
Is inserted. The peripheral wall of the illumination recess 46 forms a reflection surface 47 that is inclined so that the cross-sectional area of the illumination recess 46 decreases from the opening surface toward the rear wall.

The cover 20 has a card insertion stand 2 on its front surface.
5, a card insertion protruding base 21 has a slot 22 in which a card 3 can be inserted.
Opens. A lamp cover 23 made of a translucent material is mounted on a portion of the front surface of the card insertion base 21 corresponding to the lighting recess 46 of the inner cover 40. That is, when the card 3 is not inserted into the slot 22, the light from the light emitting diode 31 passes through the lamp cover 23, so that the position can be displayed. When the card 3 is inserted into the slot 22, the light emitting diode 31 is turned off.

According to the above configuration, when the card 3 is inserted into the slot 22, the card 3 is guided by the guide ribs 45 and the guide grooves 44 and held by the holding frame 43. At this time, the operation lever 2a of the switch body 2 is
Is pressed, and the on / off of the switch body 2 is reversed. Meanwhile, the card insertion type switch A configured as described above is used in a remote control system configured as shown in FIG. That is, in this remote control system, the plurality of wall switches 52, the control terminals 53, and the card insertion switches A, each of which has an individually set address, are connected to the main controller 51 via the transmission line 5 composed of a pair of lines. Connected to. From the main control unit 51, a in FIG.
Is transmitted, and the wall switch 52, the control terminal 53, and the card insertion type switch A are controlled. That is, the transmission signal Vs includes a start pulse ST indicating the start of signal transmission,
A multipole (±) comprising mode data MD indicating a signal mode, address data AD, control data CD for controlling the load L, checksum data CS for detecting a transmission error, and a signal return period WT for setting a return period of return data. 24V)
(B in FIG. 7), and data is transmitted by pulse width modulation. In the wall switch 52, the control terminal device 53, and the card insertion type switch A, the transmission signal Vs received via the transmission line 5 is transmitted.
When the address data AD of the transmission signal Vs matches the preset address data, the control data CD of the transmission signal Vs is taken in, and the return data is transmitted in synchronization with the signal return period WT of the transmission signal Vs. The signal Ls is short-circuited through an appropriate low impedance and sent out as a signal.

On the other hand, the main control device 31 is provided with a dummy signal transmitting means and an interrupt processing means. The dummy signal transmitting means always transmits a transmission signal Vs in which the mode data MD is set to the dummy mode. The interrupt processing means generates the interrupt signal Vi when the interrupt signal Vi as shown in FIG. 7C is returned from either the wall switch 52 or the card insertion type switch A.
Alternatively, the card insertion switch A is accessed to return the reply data. That is, when the wall switch 52 is operated or the card 3 is inserted into or removed from the card insertion type switch A, an interrupt signal Vi is generated. In the main controller 51, the control data CD to the control terminal 53 that controls the corresponding load L is created based on the return data returned from the wall switch 52 or the card insertion switch A as described above. At the same time, the control data CD is time-division multiplex-transmitted to the control terminal 53 via the transmission line 5 so that each load L is individually turned on and off. In the main controller 51, a correspondence relationship with a control terminal 53 having a load L to be controlled in response to return data from the wall switch 52 or the card insertion type switch A is set. The load L of the control terminal 53 is turned on and off.

The wall switch 52, the control terminal device 53, and the card insertion type switch A use a rectified and smoothed transmission signal Vs constantly transmitted to the transmission line 5 as a power source. Also,
In the control terminal 53, power is supplied to the load L via the load power supply line (AC100V or AC200V) 6.
In the card insertion type switch A, a control power supply line (24 VAC) connected to a remote control transformer 54 separately from the transmission line 5
Power is supplied to the light emitting diode 31 and the like via the switch 7. Further, a selector 55 having a number of switches and a display unit is connected to the transmission line 5.
And the operating state of the card insertion switch A can be collectively monitored, and the load L connected to the control terminal 53 can be controlled. Therefore, if this remote control system is used in a hotel or the like, a wall switch 52, a load L connected to a control terminal 53, and a card insertion type switch A are arranged in each room R, and a selector 5 is provided.
What is necessary is just to arrange | position 5 at a front desk or the like. Each room R
As shown in FIG. 4, for example, as shown in FIG. 4, a control terminal 53 connected to two loads L as lighting devices is provided, and two wall switches 52 for controlling each load L are provided. The main controller 51 is configured so that the operation of the wall switch 52 is valid only when the card 3 is inserted into the main controller 51.

The card insertion switch A has a configuration as shown in FIG. 9 so that it can be used in the above-described remote control system. That is, it has a terminal T ₁ connected to the transmission line 5 and a terminal T ₂ connected to the control power supply line 7. The transmission signal received through terminal 5 is
The information is input to a terminal processing unit 36 mainly including a microprocessor. The power of the terminal processing unit 36 is obtained by rectifying and stabilizing the transmission signal input from the terminal T ₁ by the power supply circuit unit 37. Further, return data on the transistor Q ₁ which is provided in the return signal creation unit 38, is transmitted by off. The address of the terminal processing unit 36 is set by the dip switch 32 serving as an address setting unit. Switch body 2 is a changeover switch, one of the switching contact is connected the light emitting element ED series of photocoupler PC, the series circuit between the DC output ends of the AC input terminal to the terminal T ₂ is connected a diode bridge DB Connected to. The light receiving element PD of the photocoupler PC is connected to the monitoring input terminal of the terminal processing unit 36, and reply data corresponding to the blinking of the light emitting element ED of the photocoupler PC is transmitted to the transmission line 5. The other switching contact of the switch body 2 is connected to the transistor Q ₂ on, so that it can be off control, the transistor Q ₂ light emitting diodes 31 are connected in series. Transistor Q ₂ and the light-emitting diode 3
1 is connected between the DC output terminals of the diode bridge DB. Here, the switch body 2 is configured so that the light emitting element ED is turned off when the card 3 is not inserted.

[0017]

As described above, according to the configuration of the first aspect, the switch body is turned on and off by the time division multiplex transmission system.
Since the off state is transmitted, the number of connections is reduced as compared with the case where the switch body and the load are directly connected, and a signal terminal for connecting the transmission line and the terminal processing unit,
Since the power supply terminal for supplying power to the display element and the power supply terminal are arranged on the back surface of the case body, there is an advantage that there is less restriction on wiring work as compared with the conventional configuration in which the lead wires are led out. In addition, since the display device that lights up when the card is not inserted into the slot is provided, the position is displayed, and it is possible to easily find a place where the lighting fixture is not turned on. is there.

According to a second aspect of the present invention, a through hole through which a box screw to be screwed into an embedding box for a wiring device is inserted into a base which forms a part of the case main body and is attached to a wall or the like; And a catch hole through which a part of a clamp that can return to a distance from the base by being screwed into a tightening screw passing through the through hole and holding the periphery of the mounting hole formed in the base is provided. Therefore, by using an embedded box for wiring equipment or using a clip for wiring equipment, the same construction method as wiring equipment can be adopted, and the advantage that installation work becomes easy There is.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a side view of the embodiment.

FIG. 4 is a rear view of the embodiment.

FIG. 5 is a sectional view of the embodiment.

FIG. 6 is a schematic configuration diagram showing a remote control system using the embodiment.

FIG. 7 is an explanatory diagram of an operation of the remote control system using the embodiment.

FIG. 8 is a circuit diagram showing a usage example of the embodiment.

FIG. 9 is a circuit diagram showing an embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Case main body 2 Switch main body 3 Card 5 Transmission line 15 Through hole 16 Hook hole 22 Slot 31 Display element 32 Dip switch 36 Terminal processing unit 51 Main control unit 52 Wall switch 53 Control terminal L Load T ₁ terminal T ₂ terminal

Claims (2)

(57) [Claims] 1. A plurality of terminals each having an individually set address are connected to a main controller via a transmission line composed of a pair of lines, and the terminals are transmitted from the main controller to each terminal. Time division multiplex transmission of a transmission signal including individually designated address data, transmission data to each terminal, and a signal return period for setting a period for receiving return data from the terminal to the main controller. A card insertion type switch used in a remote control system in which a load connected to the other terminal is controlled in response to a monitoring input input to one of the terminals in a group in which a correspondence is set by an address. A switch body that is turned on and off in accordance with insertion and removal of a card from a slot opened in the case body,
A terminal processing unit that creates reply data by using the on / off state of the switch body as a monitoring input, an address setting unit that sets an address, and a display element that lights up when a card is not inserted into a slot, is transmitted. A signal terminal for connecting the wire to the terminal processing unit and a power terminal for supplying power to the display element are provided on the back of the case body, and the terminal processing unit matches the address set by the address setting unit. A card insertion type switch for a remote control system, characterized in that when a transmission signal including address data to be received is received from a transmission line, the ON / OFF state of the switch body is returned to the main control device as return data. 2. The case body includes a base attached to a wall or the like, and a cover engaged with a front surface of the base, and a box screw inserted into an embedding box for a wiring device is inserted into the base. Of the mounting hole formed in the wall panel and the base of the mounting hole formed in the wall panel, and can be screwed into a tightening screw passing through the through hole to change the distance to the base. 2. The card insertion type switch for a remote control system according to claim 1, wherein said portion comprises a hook hole for hooking.