JPH0832096B2 - Mounting structure of receiver head to receiver head - Google Patents

Description

TECHNICAL FIELD The present invention relates to a remote control device for time division multiplexing transmission,
The present invention relates to a mounting structure for a receiver head of a receiver used in a wireless system for transmitting an optical signal.

[Background Art] A receiver used in a conventional wireless system of this type includes a cradle 38 and a receiver head 43, and the receiver head 43 can be detachably attached to the construction surface 37 such as a ceiling by using the cradle 38. It is designed to be attached to. The pedestal 38 is directly attached to the construction surface 37 with wood screws or the like and is attached to the box by a box, and is connected to a signal line (not shown) wired in the construction surface 37. The signal line is a signal line for transmitting a signal of a remote control device for remotely controlling a load by time-divisionally transmitting a signal which will be described later in detail. The receiver head 43 receives a wireless signal including address data transmitted from an oscillator having an operation switch, control data for load control, and the like, and an electronic circuit internally receiving and processing the wireless signal from the oscillator. The upper surface 43a is connected to the electronic circuit section and has an L-shaped 4 with its tip facing the center.
A book terminal portion 39 is projected. This terminal part 39 is a cradle 38
In addition to making an electrical connection to the pedestal 38, a mechanical connection to the cradle 38 is made. The pedestal 38 has a lower surface 38a that is a flat surface, and an engaging hole 40 that engages with the terminal portion 39 is formed at a position corresponding to the terminal portion 39 on the lower surface 38a. The engagement hole 40 is a wide insertion portion 40a for inserting the bent tip of the terminal portion 39, and the engagement portion 40a is continuous with the insertion portion 40a for engaging and holding the tip of the terminal portion 39, and the terminal portion 39 is attached to the internal contact spring. It is composed of a narrow connecting groove 40b for electrically connecting. A positioning pin 41 is provided on the upper surface 43a of the receiver head 43, and a positioning hole 42 into which the positioning pin 41 is inserted is formed.
Is formed in the lower surface 38a of the cradle 38.

The attachment / detachment of the receiver head 43 to / from the cradle 38 will be described. First, when the receiver head 43 is attached to the receiving base 38, the positioning pin 41 is inserted into the positioning hole 42, and the tip of the terminal portion 39 is inserted into the insertion portion 40a of the engaging hole 40. With the upper surface of the receiver head 43 aligned with the lower surface of the receiver 38, the positioning pin 41 is inserted into the positioning hole 42, and the terminal portion 39 is inserted into the engaging hole 40.
Is rotated in the direction shown by the broken line arrow a in the figure. At this time, the tip of the terminal portion 39 is guided to the connection groove 40b side, and the tip of the terminal portion 39 is engaged with the inner surface of the receiving 38th portion.
Are mechanically retained by the pedestal 38. At this time, the tip of the terminal portion 39 comes into contact with the contact spring inside the receiving stand 38, so that the receiving stand 38 and the receiver head 43 are electrically connected at the same time.

However, in the mounting structure of the receiver head 43 of the receiver used in such a conventional wireless system to the pedestal 38, the terminal portion 39 formed on the upper surface 43a of the receiver head 43.
There are four locations, and the formation position of the terminal portion 39 is spread over a relatively wide range. Therefore, there is a problem that it becomes difficult to insert the tip of the terminal portion 39 into the insertion portion 40a of the engagement hole 40 on the cradle 38 side. That is, when the pedestal 38 is attached to the construction surface such as the ceiling surface and the terminal 39 is attached to the pedestal 38, the receiver head 43 must be attached from below, and at this time, the terminal 39 is Since it is hidden by the body of the receiver head 43 and invisible, the outer shape of the pedestal 38 and the outer shape of the receiver head 43 are matched, and the position of the terminal portion 39 and the position of the engagement hole 40 are matched according to the feeling. Must be installed. Therefore, it takes time to attach the receiver head 43 to the receiver 38.

[Object of the Invention] The present invention has been made in view of the above points, and an object of the present invention is to provide a receiver head receiver for a receiver that is easily attached to the receiver head. It is to provide a mounting structure for the.

DISCLOSURE OF THE INVENTION (Structure) The present invention includes a transmitter having an operation switch, and a plurality of receivers for receiving wireless signals including address data transmitted from the transmitter, control data for load control, and the like. , The receiver that received the wireless signal time-division-multiplexed from the transmitter and has the same address controls the load based on the control data following the address data of the transmission code sent via the dedicated signal line. In a mounting structure of a receiver head for a receiver, which is used in a wireless system and is detachably engaged with and held by a receiver that is attached to a construction surface such as a ceiling and connected to the signal line. , A protruding portion having a substantially conical tip is provided on the upper surface of the receiver head, and an electronic circuit portion for receiving and processing a wireless signal from the transmitter is provided. The leading end of the continued terminal portion is projected to the side of the protrusion, and an insertion hole for inserting the protrusion with the tip of the terminal portion projected to the side is formed on the lower surface of the pedestal. It is formed in a bowl shape whose peripheral edge is recessed as it approaches the insertion hole,
When the upper surface of the receiver head comes into contact with the lower surface of the pedestal, the projection is guided in the direction of the insertion hole by the mortar-shaped recessed portion of the insertion hole of the pedestal, and the projection is easily inserted into the insertion hole. Since the upper surface of the projection is formed into a substantially conical shape so that it can be inserted, the projection can be easily inserted into the insertion hole along the slope of the upper surface, and the terminal portion is provided on the side of the projection. Since the tip of the terminal protrudes, the receiving head is rotated around the protrusion inserted into the insertion hole so that the insertion position of the terminal can be easily recognized.

(Embodiment) FIGS. 1 to 8 show an embodiment of the present invention. First,
A remote control device in which the receiver of this embodiment is used will be described with reference to FIGS. 2 and 3. This remote control device controls the load by transmitting and receiving signals by time division multiplexing transmission of signals through a dedicated signal line, and FIG. 2 shows a schematic configuration of this remote control device. The central control device 1 and a plurality of monitoring terminals 2 and control terminals 3 to which unique addresses are set are connected by a pair of signal lines 4.
Transmission signal Vs sent from the central controller 1 to the signal line 4
Is a start pulse signal ST indicating the start of signal transmission, a mode data signal MD indicating the signal mode, an address data signal AD for calling the terminals 2 and 3, and a control for controlling the load 7, as shown in FIG. It is a multi-pole (± 24V) time division multiplex signal consisting of a data signal CD, a checksum data signal CS and a return signal WT that sets the return signal period from the terminals 2 and 3, and data is transmitted by pulse width modulation. It is supposed to be done. In each of the terminals 2 and 3, when the address data of the transmission signal Vs received through the signal line 4 and its own unique address data match, the control data of the transmission signal Vs is fetched and the transmission signal Vs Return waiting signal
In synchronization with WT, the monitor data signal is returned as a current mode signal (a signal sent by short-circuiting the signal lines 4 via an appropriate low impedance).

Also, the dummy transmission signal Vs is constantly sent to the central control unit 1 and the third transmission signal Vs returned from any of the monitoring terminals 2 is sent.
When the interrupt signal Vi as shown in FIG. 3B is received, the interrupt generating terminal device 2 is detected, and the interrupt process for accessing the terminal device 2 and returning the monitoring data is performed. On the other hand, when the monitor terminal 2 receives a monitor input, the interrupt signal Vi is generated in synchronization with the start pulse signal ST of the dummy transmission signal Vs, and the central controller 1
Address confirmation mode transmission signal from Vs return standby signal
The central controller 1 returns its own unique address data in synchronization with the WT, and the central controller 1 sends the monitoring data corresponding to the monitoring input when the interrupt access mode transmission signal Vs in response to the interrupt is transmitted from the central controller 1. The control data to be transmitted to the control terminal device 3 is created based on the monitor data returned from the monitoring terminal device 2 to the central control device 1. Further, the monitoring terminal device 2 is provided with an individual operation switch 5 for individually controlling a load 7 such as a lighting. Therefore, the transmission signal Vs including the control data from the monitoring terminal 2 is time-division multiplexed,
The corresponding control terminal 3 takes in control data and drives the remote control relay 6 to control the load 7.

Next, a wireless system by optical communication coupled with the remote control device will be described. FIG. 4 is a schematic configuration diagram of the wireless system itself, and FIG. 8 is a schematic configuration diagram in which a part of the wireless system and the remote control device described above are combined. As shown in FIG. 8, the transmitter 8 for transmitting light is a wall-hanging type that is hung on a wall 22, a desk-standing type that is placed on a desk 23, or a conference desk 24.
There are things that can be used by placing it in. A plurality of satellite receivers 9 for receiving the optical transmission code from the transmitter 8 are installed on the surface of the ceiling 25, and a number of controlled lighting fixtures 26 are also installed. From the transmitter 8, for example, a transmission code in which control data for controlling on / off of the luminaire 26 is combined with address data is transmitted by an optical wireless signal shown in FIG. 5 (a). This optical wireless signal transmission code is the 6th
As shown in the figure, it comprises address data AD and control data CD. Here, the mode data SI preceding the address data AD is a mode for selecting whether to perform another system operation such as a remote control device for time division multiplex transmission or an individual operation in the wireless system. Specifically, as shown in FIG. 7, the transmitter 8 emits light including an address setting unit 29 that sets an address, a signal processing unit 30 that creates a transmission code, and a light emitting diode that transmits the transmission code as an optical wireless signal. It is composed of a part 31 and the like.

On the other hand, the satellite receiver 9 that receives the optical wireless signal is configured as follows. That is, as shown in FIG. 4, an optical receiver 10 for receiving an optical wireless signal from the receiver 8, a tuning circuit 11 having a tuning function for detecting a carrier wave of an output signal from the optical receiver 10, and a tuning The output of the circuit 11 is converted into a baseband signal as shown in FIG.
Is configured.

The baseband signal from the satellite receiver 9 is sent to a dedicated signal line 13 and transmitted to the system receiver 14 and a plurality of individual receivers 18 connected to the signal line 13.
The system receiver 14 constituting the wireless interface unit receives the baseband signals from the satellite receiver 9 in a lump and selects the receiving unit 15 for receiving the baseband signals and the above-mentioned system operation or individual operation. The setting unit 17 includes a system interface 16 and the like to which address data and control data obtained by converting a baseband signal into a binary parallel signal by the receiving unit 15 are input. The system interface 16 is connected to the signal line 4 of the remote control device and is processed according to the procedure on the side of the central control device 1. Only the signal format set by the receiving unit 15 of the system receiver 14 is extracted from the baseband signal, the setting unit 17 determines whether the system operation or the individual operation, and the received address data and control data are received from the receiving unit 15. Output to system interface 16.

As shown in FIG. 4, the individual receiver 18 includes a receiving unit 19 that receives the baseband signal from the satellite receiver 9 and an address setting unit 20 that sets a unique address for each.
And a load interface 21 for driving a load control relay and the like according to control data. That is,
In this individual receiver 18, the baseband signal and the set address of each individual receiver 18 are collated, and if they match, the load interface 21 drives a load control relay or the like to load the load 27 such as the above lighting fixture. To control. A series circuit of a contact 21a of a relay driven by the load interface 21 and a load 27 is connected to the power supply 28.

Then, the optical wireless signal transmitted from the transmitter 8 is received by the satellite receiver 9 nearest to the tuning circuit.
Only the signal of the frequency determined by 11 is detected, converted into a baseband signal by the baseband converter 12, and transmitted via the signal line 13 to the receivers 14 and 18. If the mode data SI of the transmission code selects the individual operation, the system receiver 14 does not respond and the individual receiver 18 is the target. The address of the baseband signal is collated in each individual receiver 18, and if it matches the set address, the load interface 21 drives the relay based on the control data to control the load 27. Here, if the mode data SI of the optical wireless signal from the transmitter 8 selects the system operation, the system receiver 14 responds. That is, the address and control data obtained by converting the baseband signal into a binary parallel signal are transferred to the system interface 16
And is processed according to the procedure of the multiplex transmission control side.

FIG. 8 is a block diagram showing a combination of a remote control device and a wireless system including an oscillator 8, a satellite receiver 9 and a system receiver 14. In FIG. 8, a central control unit 1, a terminal device 3 having a remote control relay, a system receiver 14 and the like are housed in a distribution board 36.
Further, a transformer 35 for supplying power to the terminal device 3 is also arranged. Therefore, the optical wireless signal transmitted from the transmitter 8 is received by the satellite receiver 9, converted into a baseband signal by the satellite receiver 9 and transmitted to the system receiver 14 via the signal line 13. Then, the address and control data of the transmitter 8 are stored in the system receiver 14, which becomes the address of the terminal device 3, and the system receiver 14 is accessed by the central controller 1 and, as described above, the central controller 1 side. Will be processed according to the usual procedure.

The above is the overall description of the combination of the wireless system with the remote control device including the present embodiment. The satellite receiver (hereinafter, simply referred to as the receiver), which is a feature of the present embodiment, will be described below. FIG. 1 shows a receiver according to this embodiment. This receiver also comprises a pedestal 38 and a receiver head 43 as described in the conventional example. Although the shapes of the pedestal 38 and the receiver head 43 of this embodiment are slightly different from those of the conventional example, this point may be the same as that of the conventional example. In this embodiment, a projection 44 having a substantially conical tip is provided on the upper surface of the receiver head 43.
The terminal portion 45 connected to the electronic circuit portion for receiving and processing the wireless signal from the transmitter 8 is housed therein, and the tip end 45a of the terminal portion 45 is projected to the side of the protrusion 44. . Then, on the lower surface of the pedestal 38, the terminal portions 45 are
An insertion hole 46 into which the protruding portion 44 having the protruding end 45a is inserted is formed, and a peripheral edge 47 of the insertion hole 46 is formed in a mortar shape that is recessed as it approaches the insertion hole 46. The above insertion hole
To prevent reverse insertion of the terminal part 45 inserted in the 46,
The shapes of the tips 45a of the terminal portions 45 protruding to both sides of the 44 are different from each other. Therefore, the terminal part of the insertion hole 46
The part of the tip 45 into which the tip 45a is inserted is also shaped according to the shape of the tip 45a.

The attachment of the receiver head 43 to the cradle 38 will be described. The upper surface 43a of the receiver head 43 is brought into contact with the lower surface 38a of the pedestal 38. If the projection 44 and the insertion hole 46 are misaligned, the projection 44 contacts the peripheral edge 47 of the insertion hole 46 of the receiving stand 38.
However, since the peripheral edge 47 of the insertion hole 46 is recessed like a bowl, the protrusion 44 is guided so as to slide in the direction of the insertion hole 46.
Therefore, it is possible to easily align the protrusion 44 with the insertion hole 46. Further, since the upper surface of the protrusion 44 is formed in a substantially conical shape, the protrusion 44 slides into the insertion hole 46 along the slope of the upper surface, and the protrusion 44 can be easily inserted into the insertion hole 46. As described above, when the receiver head 43 is rotated with the protrusion 44 inserted in the insertion hole 46, the terminal portion 45 is easily inserted into the terminal portion of the insertion hole 46.
It can be inserted into the insertion portion for 45, that is, since the tip 45a of the terminal portion 45 is projected to the side of this projection 44, the receiving head 43 is rotated around the projection 44 inserted in the insertion hole 46. By doing so, the insertion position for the terminal portion 45 of the insertion hole 46 of the terminal portion 45 can be easily known. After the terminal portion 45 and the protruding portion 44 are completely inserted into the insertion hole 46 in this way, the receiver head 43 is rotated in the direction of the broken arrow A in FIG. The receiver head 43 is engaged with and held by the receiving base 38 by being displaced from the insertion portion of the insertion hole 46 for the terminal portion 45. At this time, the tip of the terminal portion 45 comes into contact with the contact spring in the pedestal 38 so that electrical connection can be made.

[Effects of the Invention] As described above, the present invention includes a transmitter having an operation switch and a plurality of receivers for receiving wireless signals including address data transmitted from the transmitter, control data for load control, and the like. The receiver that receives the wireless signal time-division-multiplexed from the transmitter and has the same address controls the load based on the control data following the address data of the transmission code transmitted via the dedicated signal line. Used for the wireless system, the receiver head is detachably engaged with and held by the pedestal attached to the construction surface such as the ceiling and connected to the signal line. In the above, while a projection having a substantially conical tip is provided on the upper surface of the receiver head,
A projection in which the tip of the terminal portion connected to the electronic circuit portion that receives and processes the wireless signal from the transmitter is projected to the side of the projection, and the tip of the terminal portion is projected to the side of the lower surface of the cradle. Along with forming an insertion hole for inserting the portion, since the peripheral edge of the insertion hole is formed in a mortar shape that is recessed so that it approaches the insertion hole, when the upper surface of the receiver head abuts the lower surface of the pedestal,
The protrusion is guided in the direction of the insertion hole at the mortar-shaped recessed portion of the periphery of the insertion hole of the cradle, the protrusion can be easily inserted into the insertion hole, and the upper surface of the protrusion is formed into a substantially conical shape. Since the protrusion can be easily inserted into the insertion hole along the inclination of the upper surface, and the tip of the terminal portion protrudes to the side of the protrusion, the protrusion inserted into the insertion hole By rotating the receiving head around the center, the terminal portion can be easily inserted into the insertion light, and therefore, the receiver head can be attached to the pedestal very easily.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention, FIG. 2 is a schematic configuration diagram of a remote control device using the same as above, FIG. 3 is an operation explanatory diagram of the same as above, and FIG. 4 is combined with a remote control device. FIG. 5 and FIG. 6 are schematic diagrams showing the operation of the wireless system according to the present invention, FIG. 7 is a diagram showing the operation of the transmitter of the wireless system, and FIG. 8 is a remote control device combining the wireless systems using the same as above. FIG. 9 is an exploded perspective view of a conventional example. 8 is a transmitter, 9 is a satellite receiver, 13 is a signal line, 37 is a construction surface, 38 is a pedestal, 38a is a lower surface, 43 is a receiver head, 4
3a is an upper surface, 44 is a protrusion, 45 is a terminal portion, 45a is a tip, 46 is an insertion hole, and 47 is a peripheral edge.

Claims (1)

[Claims] 1. A transmitter having an operation switch, and a plurality of receivers for receiving wireless signals including address data transmitted from the transmitter, control data for load control, etc., and time-division multiplexing from the receivers. The receiver whose address matches with the transmitted wireless signal is used in a wireless system that controls the load based on the control data following the address data of the transmission code sent via a dedicated signal line. In the mounting structure of the receiver head to the cradle of the receiver, which is removably engaged with and held by the cradle connected to the signal line and attached to the construction surface of the receiver head, the upper surface of the receiver head The tip of the terminal part connected to the electronic circuit part that receives and processes the wireless signal from the above-mentioned transmitter while protruding the protruding part with a substantially conical tip on the An insertion hole is formed so that the protrusion protrudes to the side, and the protrusion having the terminal end tip protruded to the side is inserted into the lower surface of the pedestal, and the peripheral edge of the insertion hole is recessed as it approaches the insertion hole. A structure for mounting a receiver head on a cradle, which is characterized by being formed in a mortar shape.