JPH0847057A - Wireless transmitter in remote command system - Google Patents

Abstract

PURPOSE:To provide the wireless transmitter of the remote command system in which possibility of crosstalk is less and a transmission range is extended. CONSTITUTION:Operation switches SW1-SW3 are connected to a transmission control section 1 and when the operation switches SW1-SW3 are operated, a drive signal for a drive transistor(TR) Qx is outputted. The drive signal is a signal formed by modulating a pulse train signal with a prescribed frequency by a data signal, an infrared ray wireless signal emitted from infrared ray emitting diodes LED1-LED3 by on/off of the drive TR Q1 is a pulse signal of a prescribed frequency modulated by a data signal. The transmission control section 1 connects to a transmission channel designation section 3, which allocates transmission channels corresponding to the operation switches SW1-SW3 based on designation data of the transmission channels designated by the transmission channel designation section 3 in the ascending order.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION This invention relates to wireless transmitters for remote control systems.

[0002]

2. Description of the Related Art Some wireless transmitters for operating an individual load used in a remote control system for remotely controlling a lighting load are provided with a plurality of operation switches in which loads to be operated are preset. Also, in this type of remote control system, a dimming up operation switch, a dimming down operation switch, an on / off switch are provided to control the dimming of the lighting load.
There is also a wireless transmitter for dimming operation with three off operation switches.

[0003]

The wireless transmitter used in the above-mentioned conventional remote control system cannot specify the transmission channel, and therefore the number of loads to be operated is limited, so that interference by the same channel is prevented. In addition, the wireless signal transmission distance is shortened so that remote control can be performed only in the area near the target load.

Therefore, there has been a problem that the convenience of remote control by the wireless transmitter cannot be fully exerted. The present invention has been made in view of the above problems, and it is an object of the present invention to set a transmission channel from a plurality of transmission channels, thereby reducing the risk of interference and increasing the transmission distance. (EN) Provided is a wireless transmitter of a remote control system, which is capable of automatically controlling the correspondence with each operation switch when changing the designation of a transmission channel.

The object of the invention of claim 2 is to increase the number of transmission channels with respect to the load to be dimmed.
(EN) It is possible to provide a wireless transmitter for a remote control system that can extend the transmission distance with little fear of interference.

[0006]

In order to achieve the above object, according to the invention of claim 1, in a wireless transmitter of a remote control system for transmitting a wireless signal such as infrared rays to operate a load corresponding to a transmission channel, A plurality of operation switches for which transmission channels are set separately, a channel specifying section for selecting and specifying the transmission channel of the operation switch at the head of the arrangement order of these operation switches, and an arrangement of operation switches by the specified channel of the channel specifying section Channels are sequentially assigned from the first operation switch based on the order, and when the operation switch is operated, a transmission control means for transmitting a wireless signal on the transmission channel assigned to the operation switch is provided.

According to the second aspect of the present invention, there are provided three operation switches, that is, a dimming operation switch, a dimming operation switch, and an on / off operation switch. When these operation switches are operated, infrared rays, etc. In the wireless transmitter of the remote control system that transmits the control data corresponding to the operation of these switches by the wireless signal of, and performs the dimming operation of the lighting load, either the channel specifying unit for selecting and specifying the transmission channel or the operation switch. It is provided with a transmission control means for transmitting a wireless signal through the transmission channel designated by the channel designation section when operated.

[0008]

According to the invention of claim 1, the transmission channel can be designated from the plurality of transmission channels by the channel designating section, so that there is little fear of interference and the transmission distance can be lengthened. Taking advantage of the convenience of remote control, moreover, the designation of the transmission channel can be done only by designating the first operation switch in the array order.
Since the designation of the transmission channels of the remaining operation switches can be automatically changed, the designation can be easily changed.

According to the second aspect of the present invention, since a plurality of transmission channels for operation with respect to the lighting load of the dimming operation target can be set, even if a plurality of lighting loads of the dimming control target are provided in a narrow area, interference will occur. There is little worry, and it is possible to increase the transmission distance, which makes it possible to utilize the convenience of remote control with a wireless transmitter.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) This embodiment constitutes a wireless transmitter for operating an individual load and has a circuit configuration as shown in FIG. 1 and a structure as shown in FIGS. 2 and 3. It has a simple structure.

The wireless transmitter of the present embodiment uses a DC power supply unit 2 composed of a dry battery as a power source. The DC power supply unit 2 has three infrared light emitting diodes LED _{1 to} LED ₃ via a driving transistor Q _1. and There is connected, so that the wireless signal composed of an infrared than infrared light emitting diodes LED ₁ to infrared light emitting diodes LED ₁ to LED ₃ emission current flows to the LED ₃ in accordance with the on-off driver transistor Q ₁ is fired .

The drive transistor Q ₁ is driven by a transmission control unit 1 composed of a one-chip microcomputer. The transmission control unit 1 is reset by a reset circuit 4 when the power is turned on, and by the oscillation circuit 5. It is designed to take in a clock signal, and the operation switches SW _{1 to} S are connected to the input ports P00 to P02.
When W ₃ is connected and the operation switches SW _{1 to} SW ₃ are operated, the drive signal of the drive transistor Q ₁ is output from the output port OUT. This drive signal is obtained by modulating a pulse train signal of a predetermined frequency with a data signal. A wireless signal composed of infrared rays emitted from the infrared light emitting diodes LED _{1 to} LED ₃ has a predetermined frequency and is a signal modulated by the data signal. Become.

Further, the transmission control unit 1 has ports P10 to P12.
Is connected to a transmission channel designating section 3 composed of a 3-bit bit switch via diodes D _{1 to} D ₃ , and each operation switch SW _{1 is} operated based on the designation data of the transmission channel designated by the transmission channel designating section 3. The transmission channel corresponding to SW ₃ to SW ₃ is assigned. That is, by using the 3-bit bit switch, the transmission channel designating section 3 can designate one of the eight channels, and the transmission control section 1 that takes in the designated data switches the designated channel to an operation switch. Channels are assigned to the operation switch SW ₁ at the top (uppermost position) in the arrangement sequence of SW _{1 to} SW ₃ , and to the other operation switches SW ₂ and SW ₃ in ascending order. For example, if the designated channel is 1, assign 1 channel to the transmission channel of the operation switch SW ₁ and assign 2 channels to the operation switch SW ₂ .
Three channels are assigned to the operation switch SW ₃ , respectively.

When the designated channel is 7, the operation switch SW ₁ has 7 channels and the operation switch SW _{2 has}
8 channels and 1 channel to the operation switch SW ₃ . Similarly, when the designated channel is 8, the operation switch SW _{1 is set} to 8 channels and the operation switch S
One channel is assigned to W ₂ and two channels are assigned to the operation switch SW ₃ .

When the transmission channel designating unit 3 designates a channel in this way, the transmission control unit 1 automatically assigns channels to the _three operation switches SW _{1 to} SW ₃ . Therefore, the operation switches SW _{1 to} SW ₃
When any of the above operations is performed, the transmission control unit 1 determines the transmission channel of the switch, creates transmission data including the transmission channel data and control data, and transmits the infrared light emitting diodes LED _{1 to} The driver transistor Q ₁ of the LED ₃ is driven, and the infrared light emitting diodes LED _{1 to} LED ₃ emit wireless signals of infrared rays to transmit the transmission data.

As shown in FIGS. 2 and 3, the structure of this embodiment is such that the printed circuit board 13 on which the circuit shown in FIG. 1 is mounted is housed in a flat and thin body 12, and the body 12 has an opening at the upper end thereof. The infrared light emitting diode LED, which is covered with an optical filter 14 for passing infrared rays and is arranged inside the upper end of the body 12.
_A wireless signal composed of infrared rays emitted from _{1 to} LED ₃ is transmitted to the outside through the optical filter 14.

Further, in the center of the front surface of the body 12, there is integrally provided an operation button 16 corresponding to each of the operation switches SW _{1 to} SW ₃ mounted on the printed circuit board 13 and surrounded by a notch groove so as to be freely movable. Formed on the operation switch SW ₁
A window hole 17 for exposing the operation part of the bit switch of the transmission channel designating part 3 mounted on the printed circuit board 13 is provided above the operation button 16 corresponding to. A film-shaped makeup cover 18 is detachably attached so as to cover the surfaces of the window hole 17 and the operation button 16, and the makeup cover 1
The operation button 16 can be operated via the button 8. The operation of the bit switch of the transmission channel designating section 3 is performed by removing the decorative cover 18. The operation part of the bit switch is a slide type and can be operated with a thin object such as the tip of a ballpoint pen.

The rear surface of the body 12 is provided with holes 19, 19 for attaching to a wall surface, etc., and when the detachable lid 20 is removed, the storage portion 22 of the dry battery constituting the DC power supply portion 2 is exposed. It has become. The wireless transmitter of the present embodiment thus constructed is mounted on a wall or the like so that the same operation as a normal wall switch can be performed.

(Embodiment 2) This embodiment is exactly the same in structure, but the operation switches SW _{1 to} SW ₃ are not switches for individual load operation, but operation switches for dimming up and dimming down. The transmission control unit 1 constitutes an operation switch and an on / off operation switch, and the transmission control unit 1 uses the same transmission channel when operating these operation switches SW _{1 to} SW ₃ , but the transmission data has data corresponding to each control data. Is controlled to be transmitted by a wireless signal.

FIG. 4 shows the circuit configuration of this embodiment.
Yes the bit switch 3 bits of the transmission channel specifying unit 3 to the input port P02,03,10 the transmission controller 1 is connected via the diode D ₁ to D _3, also through the diode D ₄ to the input port P10 The dimming up operation switch SW ₁ , the dimming down operation switch SW ₂ is connected to the input port P11, and the on / off operation switch SW ₃ is connected to the input port P13. The transmission control unit 1 of the present embodiment determines the transmission channel based on the designation data of the transmission channel designation unit 3, and the operation switch S
When operating W _{1 to} SW ₃ , it is programmed to generate transmission data including specified transmission channel data together with control data corresponding to the operation, and transmit it by a wireless signal.

In this embodiment, therefore, eight transmission channels can be selected and designated by the 3-bit bit switch of the transmission channel designating unit 3, so that even if a plurality of illumination loads to be controlled for dimming are provided in a narrow area, each of them can be designated. By changing the channel, it is possible to operate remotely without interference. Also, since the risk of interference is reduced, it is possible to increase the transmission distance.

Since this embodiment is structurally the same as the first embodiment, the structural drawings are omitted by sharing FIGS. 2 and 3. Further, the circuit configuration is the same as that of the embodiment of FIG. 1 except the configuration related to the above operation of the transmission control unit 1, and therefore, the same numbers and symbols as in FIG. Next, FIG. 5 shows an example of a remote control system using the wireless transmitters of the first and second embodiments.

The receiving side of the remote control system shown in FIG. 5 extracts the transmission data from the received wireless signal and converts it into an electric signal of the same data format as that data format, and a wireless signal by operating the operation switch. The wall switch unit 30 that creates and sends out an electric signal of the same data format as that of _{No. 1} , the dimming unit 40 that dimming controls the lighting load La, and the individual lighting loads L _{1 to} L ₄ are turned on / off. The relay unit 50, which is composed of the relay unit 50, rectifies the AC power supply AC by the diode bridge DB ₁ , steps down the voltage by the step-down circuit 51, smoothes it by the smoothing capacitor C ₁ , and then outputs a predetermined voltage by the constant voltage constant current circuit 52. Of the DC voltage of the wireless receiver 20, the wall switch unit 30, and the dimming unit. And sends to 40, Zener the light emitting diode LD ₁ of the photocoupler PH ₁ diode ZD
It is designed to be applied via ₁ .

The photocoupler PH ₁ is turned off when the voltage of the DC voltage supply line is equal to or lower than the Zener voltage of the Zener diode ZD ₁ and turned on when the voltage is higher than the Zener voltage of the Zener diode ZD _1. Constitutes the receiving part of. The output of this photocoupler PH ₁ is CP
It is taken in by U52 and the transmitted data is read, and the CPU5
Reference numeral ₂ indicates latching relays Ry _{1 to} Ry based on control data when the reception channel set by the channel setting unit 56 matches the transmission channel data in the transmission data.
Set drive or reset drive of ₄ and its relay contact r
_The lighting loads L _{1 to} L ₄ connected to the AC power supply AC via _{1 to} r ₄ are turned on / off and the operating state thereof is monitored.

The CPU 52 uses a direct current obtained by stepping down the voltage of the step-down circuit 51 and smoothing the direct current voltage to a predetermined voltage by the constant voltage circuit 53 as a power source. Gain and reset circuit 5
The power supply is reset by 5.
The wireless receiver 20 takes in the DC voltage from the relay unit 50 via the diode bridge DB ₂ and makes it a constant voltage by the constant voltage circuit 21, and the CPU 22 and the light receiver 2
The operation power source of No. 4 is used to extract transmission data from the wireless signal received by the light receiving section 24 by the CPU 22 and obtain an electric signal of the same format as the format of the transmission data by driving the transistor Q _2. When the transistor Q ₂ is turned on, the zener diode ZD is provided between the output terminals of the diode DB _{2.
2 is connected} to the transistor Q ₂ through the constant current generating circuit 23, and the voltage between the DC voltage supply lines from the relay unit 50 is dropped to the Zener voltage of the Zener diode ZD ₂ . That the on transistor Q _2, the voltage between the DC voltage supply lines in response to the off "H""L", and this "so that the voltage signal delivered by the H""L". Reference numeral 25 is a reset circuit for resetting the power supply to the CPU 22, and 26 is an oscillation circuit for giving a reference clock to the CPU 22.

The wall switch section 30 is also the wireless reception section 20.
The DC voltage from the relay unit 50 is taken in through the diode bridge DB ₃ and made constant by the constant voltage circuit 31, and used as the operating power supply for the CPU 32. When an operation signal corresponding to the operation of the operation switch of the operation unit 34 is fetched by the CPU 32, the CPU
32 creates transmission data including transmission channel data and control data in the same format as the transmission data of the wireless signal, and based on this transmission data, the transistor Q ₃
Being adapted to obtain an electric signal in the same format as the format of the transmission data of the wireless signal by driving a, when the transistor Q ₃ turns on the Zener diode ZD ₃ between the output terminal of the diode DB ₃ and the transistor Q ₃ Connected via the constant current generation circuit 33,
The voltage between the DC voltage supply lines from the relay unit 50 is reduced to approximately the Zener voltage of the Zener diode ZD ₃ . That on of the transistor Q _3, a voltage between the DC voltage supply lines in response to the off "H""L", and this "
A voltage signal is sent by H "" L "in the same manner as in the wireless receiver 20. Note that 35 is a reset circuit for resetting the power supply of the CPU 32, and 36 is the CPU3.
2 is an oscillating circuit for giving a reference clock to 2.

The dimming unit 40 has a high frequency for the AC power supply AC.
Via the wave elimination circuit 49, the triac TR and the lighting load L
By connecting a with the triac TR, the lighting load La
It is equipped with a dimming circuit for controlling the phase. And
Connect the DC voltage supply line from the relay unit 50 to the diode.
Bridge DB_FourThrough the photo coupler PH₂The light emitting die
Aether LD₂And Zener diode ZD_FourSeries circuit with
Is connected to the photo coupler PH₁Is the above DC voltage supply
The line voltage is Zener diode ZD_FourWhen
The wireless receiver is turned on at the above times.
20 or a wall switch unit 30, which constitutes an electric signal receiving unit.
ing. This photo coupler PH₂Output to CPU42
It is loaded and the transmitted data is read, and the CPU 42
The reception channel set by the channel setting unit 45 is the transmission channel.
Control data when it matches the transmission channel data in the data
To determine the dimming up, dimming down, and on / off
Data is sent to the next CPU 46 for dimming. C
PU42 is an AC power supply AC for diode bridge DB_Fiveso
Rectify, step down by step-down circuit 47, capacitor C ₂so
It is obtained by smoothing and then converting it to a constant voltage by the constant voltage circuit 48.
The direct current voltage generated by the oscillator circuit 44 is used as a power source.
A quasi clock is obtained, and the reset circuit 43 resets the power supply.
It is designed to be put on.

The dimming CPU 46 is for controlling the dimming circuit, operates by being supplied with power from the constant voltage circuit 48, and detects data from the CPU 42 and 0 cross detection of the 0 cross detection circuit 61. Based on the gate control circuit 60
Through the through, the phase control angle of the triac TR is changed to adjust the illumination load La. The EEPROM 62 stores data required for dimming control, and the reset circuit 63
Is a circuit for resetting the power of the dimming CPU 46, and the oscillator circuit 64 is for supplying a reference clock to the dimming CPU 46.

By combining the transmission channel of the wireless transmitter according to the first embodiment of the present invention with the reception channel of the relay unit 50, three of the loads L _{1 to} L ₄ are operated by the operation switches SW _{1 to} SW _3. It can be turned on / off. Further, by adjusting the transmission channel of the wireless transmitter according to the second embodiment of the present invention to the reception channel of the dimming unit 40, dimming control of the load La can be performed.
In this case, the dimming up or dimming operation switch S
If you continue to W ₁ or press SW ₂ operation, and the up or down dimming level of the lighting load La phase control angle is gradually changed to, you can stop the operation upon reaching a desired dimming level, The dimming level at that time is maintained. When the lighting load La is turned off and / or turned on, if the operation switch SW ₃ is operated, it is turned off when the state is reversed and lighting (during light adjustment), and conversely when lighting is off ( The dimming level before turning off) can be set.

[0030]

According to the invention of claim 1, in a wireless transmitter of a remote control system for transmitting a wireless signal such as infrared rays to operate a load corresponding to a transmission channel,
A plurality of operation switches for which transmission channels are set separately, a channel designating section for selecting and designating the transmission channel of the first operation switch in the order of arrangement of these operation switches, and an array of operation switches by the designated channels of the channel designating section. Channels are sequentially assigned from the first operation switch based on the order, and when the operation switch is operated, a transmission control means for transmitting a wireless signal on the transmission channel assigned to the operation switch is provided. You can specify the transmission channel from among the transmission channels of, so that there is less risk of interference and the transmission distance can be extended, resulting in the convenience of remote control by the wireless transmitter, and the transmission channel can be specified in the order of arrangement. Just specify the operation switch at the top, For enabling an override transmission channels of Rino operation switch automatically, there is an effect that the operation of the override is easy.

According to the second aspect of the present invention, there are provided three operation switches including a dimming up operation switch, a dimming down operation switch, and an on / off operation switch. When these operation switches are operated, infrared rays, etc. In the wireless transmitter of the remote control system that transmits the control data corresponding to the operation of these switches by the wireless signal of, and performs the dimming operation of the lighting load, either the channel specifying unit for selecting and specifying the transmission channel or the operation switch. Since there is a transmission control means for transmitting a wireless signal on the transmission channel designated by the channel designation section when there is an operation, it is possible to set a plurality of transmission channels for the operation of the lighting load of the dimming operation target, so that in a narrow area. There is little concern about interference even if a lighting load for multiple dimming operations is installed, and the transmission distance is reduced. It becomes possible to hear, there is an effect that capitalize the convenience of remote operation by wireless transmitters.

[Brief description of drawings]

FIG. 1 is a circuit diagram of a first embodiment of the present invention.

FIG. 2A is a partially cutaway front view of the same.
(B) is a front view of the same cover removed.
(C) is a bottom view of the same.

FIG. 3A is a partially cutaway side view of the same.
(B) is a rear view of the same cover removed.
(C) is a rear view of the same, which can be partially broken away.

FIG. 4 is a circuit diagram of a second embodiment of the present invention.

FIG. 5 is a configuration diagram of a remote control system using the present invention.

[Explanation of symbols]

1 Transmission control unit 2 DC power supply unit 3 Transmission channel designation unit 4 Reset circuit 5 Oscillation circuit SW ₁ … Operation switch LED ₁ … Infrared light emitting diode Q ₁ Drive transistor

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[Procedure amendment]

[Submission date] December 27, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 2

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0026

[Correction method] Change

[Correction content]

The wall switch section 30 is also the wireless reception section 20.
The DC voltage from the relay unit 50 is taken in through the diode bridge DB ₃ and made constant by the constant voltage circuit 31, and used as the operating power supply for the CPU 32. When an operation signal corresponding to the operation of the operation switch of the operation unit 34 is fetched by the CPU 32, the CPU
32 creates transmission data including transmission channel data and control data in the same format as the transmission data of the wireless signal, and based on this transmission data, the transistor Q ₃
Being adapted to obtain an electric signal in the same format as the format of the transmission data of the wireless signal by driving a, when the transistor Q ₃ turns on the Zener diode ZD ₃ between the output terminal of the diode DB ₃ and the transistor Q ₃ Connected via the constant current generation circuit 33,
The voltage between the DC voltage supply lines from the relay unit 50 is reduced to approximately the Zener voltage of the Zener diode ZD ₃ . That on of the transistor Q _3, a voltage between the DC voltage supply lines in response to the off "H""L", and this "
By H "" L "so that similarly the voltage signal and the wireless receiver unit 20 is sent. Note 35 reset circuit for the power supply resets the CPU 32, 36 has CPU 32
It is an oscillator circuit that gives a reference clock to.

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0027

[Correction method] Change

[Correction content]

The dimming unit 40 has a high frequency for the AC power supply AC.
Via the wave elimination circuit 49, the triac TR and the lighting load L
By connecting a with the triac TR, the lighting load La
It is equipped with a dimming circuit for controlling the phase. And
Connect the DC voltage supply line from the relay unit 50 to the diode.
Bridge DB_FourThrough the photo coupler PH₂The light emitting die
Aether LD₂And Zener diode ZD_FourSeries circuit with
Is connected to the photo coupler PH ₂ Is the above DC voltage supply
The line voltage is Zener diode ZD_FourWhen
The wireless receiver is turned on at the above times.
20 or a wall switch unit 30, which constitutes an electric signal receiving unit.
ing. This photo coupler PH₂Output to CPU42
It is loaded and the transmitted data is read, and the CPU 42
The reception channel set by the channel setting unit 45 is the transmission channel.
Control data when it matches the transmission channel data in the data
To determine the dimming up, dimming down, and on / off
Data is sent to the next CPU 46 for dimming. C
PU42 is an AC power supply AC for diode bridge DB_Fiveso
Rectify, step down by step-down circuit 47, capacitor C ₂so
It is obtained by smoothing and then converting it to a constant voltage by the constant voltage circuit 48.
The direct current voltage generated by the oscillator circuit 44 is used as a power source.
A quasi clock is obtained, and the reset circuit 43 resets the power supply.
It is designed to be put on.

[Procedure amendment 4]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 5

[Correction method] Change

[Correction content]

[Figure 5]

Claims (2)

[Claims] 1. A wireless transmitter of a remote control system for transmitting a wireless signal such as infrared rays to operate a load corresponding to a transmission channel, and a plurality of operation switches in which transmission channels are individually set, and these operation switches. The channel designation section for selecting and designating the transmission channel of the first operation switch in the array order of, and the channels assigned sequentially from the first operation switch based on the array order of the operation switches by the channels specified by the channel specification section A wireless transmitter of a remote control system, comprising: a transmission control means for transmitting a wireless signal on a transmission channel assigned to the operation switch when operated. 2. A dimming up operation switch, a dimming down operation switch, and an on / off operation switch are provided, and these are operated by wireless signals such as infrared rays when these operation switches are operated. In the wireless transmitter of the remote control system that transmits the control data corresponding to the operation of the switch to perform the dimming operation of the lighting load, the channel specification unit that selects and specifies the transmission channel, and the channel specification when one of the operation switches is operated. A wireless transmitter of a remote control system, comprising: a transmission control means for transmitting a wireless signal on a transmission channel designated by the section.