JPH0159800B2 - - Google Patents

Description

[Detailed description of the invention] (Technical field) The present invention relates to a remote control device.

(Background Art) FIG. 6 shows a circuit diagram of a conventional example, in which a scan contact S is inserted in series with the excitation coil of each load drive relay R ₁ by the scan circuit section 1. ₁₁ ...... are turned on and off sequentially, and the scan contact _S12 ...... inserted between each indicator lamp _l1 ...... of the display circuit 2 and the power supply E is turned on and off sequentially.
sequentially turn on and turn off the desired load-driving relay.
When the indicator lamp corresponding to R _{1 ......} lights up, stop the scan operation of the scan circuit section 1, and then operate the NO type on operation switch SWa or the NC type off operation switch SWb. The selected load drive relay R ₁ is turned on or off. The load drive relay R ₁ ...... is connected in parallel to the series circuit of the self-holding relay contact r ₁₁ ...... and the corresponding scan contact S ₁₁ ... and the on-operation switch SWa. When turned on, an excitation current flows through the power transformer Tr for relay operation, the on operation switch SWa, the selected scan contact, for example _S11 , the excitation coil, and the off operation switch SWb, and the load drive relay is turned on. Then, the self-holding relay contact, e.g. R ₁₁ , is turned on, and another relay contact R ₁₂ inserted between the load, e.g. L ₁ and the AC power supply AC, is turned on to turn on the load L ₁ . , the load _L1 is maintained in the on state until the self-holding is released by operating the off operation switch SWb. SWs in the figure is a scan operation switch.

By the way, in such a conventional circuit, it is necessary to insert an ON operation switch SWa or an OFF operation switch SWb near the secondary output end of the power transformer Tr of the relay operation circuit, and it is necessary to insert an ON operation switch SWa or an OFF operation switch SWb in the vicinity of the secondary output end of the power transformer Tr of the relay operation circuit, and it is necessary to insert an ON operation switch SWa or an OFF operation switch SWb. There was a problem that the operator could not perform the operation, and there was also a disadvantage that the operator could not know the state of the operated load. Furthermore, since the above-described configuration results in a complete system, it has been difficult to develop the system into a system that can be operated while moving.

(Object of the Invention) The present invention has been made in view of the above-mentioned problems, and its purpose is to enable the installation of an operating section such as a wall switch like a general wiring device, and to provide a device that can be used easily when moving. It is an object of the present invention to provide a remote control device that can be provided with an operating section that can perform the operation of the load, and further allows the operation state of the load to be known from the operating section.

(Disclosure of the Invention) The present invention will be explained below with reference to Examples. FIG. 1 shows a schematic configuration diagram that is the basis of the present invention.
In the figure, 4 is a control panel equipped with a scan circuit section 1, a load control relay section 5, and a wireless reception section 6.
From the control panel 4, a display circuit 2 indicating the scan status is provided.
and the load L ₁ to be controlled on and off, and input lines connecting the independent operation unit 7 consisting of a wall switch or the like and the wired operation unit 8 are respectively derived. . Wired operation unit 8
includes a scan operation switch SWs for selecting the load control relay Ry ₁ corresponding to the load L ₁ to be operated, and an on/off operation switch for turning the load control relay on and off. 10
Equipped with an operation switch SW. Also, 9 in the figure
is the wireless operation unit.

FIG. 2 is a specific circuit diagram of an embodiment of the present invention,
The load control relay section 5 is provided with a remote control type load control relay Ry ₁ corresponding to each load L ₁ . As shown in Fig. 3, the load control relay Ry ₁ consists of a magnetic holding type relay part LR and two diodes Da and Db connected in antiparallel.The auxiliary contact r of the relay part LR ₁ common terminal C
is connected to one end of the secondary output end of the power transformer Tr via a common line, and one end of the excitation coil CL is connected to the a contact side of the auxiliary contact _r1 of the magnetic retention type relay LR via the anode and cathode of the diode Da. To,
It is also connected to the b contact side of the auxiliary contact _r1 via the cathode and anode of the diode Db. The other end of the excitation coil CL is connected to the second end of the power transformer Tr via the scan contact _S11 of the scan circuit section 1 and the load on/off operation switch section 10 of the operation section 8.
It is connected to the other end of the next side. The load on/off operation unit 10 is a return type operation switch SW that returns to the neutral point when the operation is released. Two diodes D _A and D _B are connected between the _a and b terminals of the switch _SW . The common connection point of is connected to the other end of the secondary output end of the power transformer Tr, and the common terminal C of the operation switch SW is connected to the scan contact _S11 ... side. The scan circuit section 1 includes a latch circuit 11 as shown in FIG.
, an oscillation circuit 12, an up counter 13,
BCD decoder 14 and relay driving transistor Q ₁ that is turned on by the output of BCD decoder 14
. . . and scan contacts S _{11 .} . . , S _{12 .} . . driving relay Rs ₁ . When SWs is turned on, the input terminal of the latch circuit 11 consisting of a JK flip-flop rises via the waveform shaping circuit 15.
This rise causes the output of the latch circuit 11 to become "H", driving the oscillation circuit 12. The oscillation circuit 12 generates a pulse signal with a period determined by a CR time constant consisting of a capacitor _C0 and resistors Ra to Rc, and supplies it to an up counter 13 as a clock. The up counter 13 counts clocks and outputs a 4-bit BCD signal, and when the count up is reached, it is reset and the count is repeated again. Decoder 14
decodes the BCD signal from the up counter 13, sequentially generates an output from each output terminal, and turns on the transistors Q _{1 . .} . sequentially. As a result of this turning on, the relays Rs ₁ are sequentially driven, and the scan contacts S ₁₁ , S ₁₂ , and so on are sequentially turned on and off. Here, one scan contact S ₁₁ ...
… is a contact for selecting the load control relay Ry ₁ to operate, and the other scan contact S ₁₂
...... is the load control relay Ry ₁ to be switched and selected...
These are contacts for sequentially lighting up the display elements l ₁ .
Further, 16 in FIG. 4 is a power supply section. Independent operation section 7
is the load on/off operation switch section 10 of the operation section 8.
Similarly, operation switch SW′ and diodes D _A , D _B
It consists of a predetermined scan contact S ₁ ...
... and the load on/off operation switch section 10 are connected in parallel to the series circuit, and the operation switch SW' is operated remotely or directly by another remote operation selector 17. . The wireless reception section 6 is composed of a reception circuit section 18, a control signal demodulation circuit 19, and an output circuit 20, and the output contact portion of the output circuit 20 has two contacts similar to the load on/off operation switch section 10. It is composed of diodes D _A and D _B and a changeover relay contact SW'' corresponding to the operation switch SW, and similarly to the operation section 8, it is connected to a predetermined scan contact S ₁ and the load is turned on.
It is connected in parallel to the series circuit with the off operation switch section 10.

However, now the scan operation switch on the operation section 8
When the SWs are turned on, the scan contact S ₁₁ is sequentially turned on and off by the function of the scan circuit section 1, and the load control relay Ry ₁ is activated.
will be switched sequentially. In this switching state, the scan contacts S _{12 .} . . are sequentially turned on to light up the corresponding display elements l _{1 .} . . of the display circuit 2, so that _the user can
You can tell by the lighting. In other words, by lighting up the display element l ₁ . . . to display the name of the load, the user can know which load has been selected. Therefore, when the user turns on the scan operation switch SWs when the name of the desired load is displayed, the output of the latch circuit 11 of the scan circuit section 1 is reversed from "H" to "L", and the output of the oscillation circuit 12 is reversed from "H" to "L". The oscillation is stopped and the counter output of the up counter 13 is fixed at the counter contents at that time. Therefore, the scan contacts corresponding to the count value, such as S ₁₁ and S ₁₂ , are held in the on state.

Here, when the user turns the operation switch SW of the load on/off operation switch section 10 of the operation section 8 to the a terminal side, that is, the on side, that is, when switching from the off side to the on side, the power transformer Tr, load control Auxiliary contact r ₁ of magnetic holding type relay part LR of relay Ry ₁ , diode Da, excitation coil CL, scan contact S ₁₁ , operation switch SW, diode D _A ,
Current will flow through the circuit of the power transformer Tr. Therefore, the magnetic holding type relay part LR of the load control relay Ry ₁ reverses its operation, turns on its main contact MS, and switches the auxiliary contact r ₁ from the a terminal to the b terminal. Therefore, while the above-mentioned current stops flowing, the load control relay Ry ₁ maintains the operation state described above and turns on the load L ₁ connected to the alternating current power supply AC via the main contact MS. Also, the operation indicator lamp La ₁ connected in parallel to the load L ₁ is turned on.
Here, when the operation switch SW is released, it returns to the neutral point and is not affected even if the scan circuit 2 is operated thereafter.

Next, when you want to turn off the load, turn on the load on the operation section 8, turn on the operation switch SW of the off operation switch section 10.
Just put it on the on side. In other words, when the operation switch SW returns from the a terminal to the b terminal, the power transformer Tr, the diode D _B , the operation switch SW, the scan contact S ₁ , the excitation coil CL of the magnetic holding type relay part LR of the load control relay Ry ₁ , and the diode Current flows through the circuits of Db, auxiliary contact r ₁ and power transformer Tr,
The magnetic holding type relay section LR of the load control relay Ry ₁ operates in reverse to turn off its main contact MS and switches the auxiliary contact r ₁ . In other words, the second
The situation returns to the state shown in the figure. When the main contact MS is turned off, both the load _L1 and the operation indicator lamp _La1 are turned off. Of course, if you want to turn off or turn on another load L ₂ ......, first activate the scan circuit section 1, set the corresponding load control relay Ry ₂ ...... to be operable, and turn the load on or off from the operation section 8. The operation switch SW of the off operation switch section 10 may be operated to the on side or the off side.

Now, if it is desired to operate the load L ₁ . In other words, when the load L ₁ is turned on as shown in FIG.
Power transformer Tr, auxiliary contact _R1 , diode Da,
Excitation coil LC, operation switch SW′, diode of magnetically held relay part LR of load control relay Ry ₁
D _A , current flows through the circuit of the power transformer Tr, causing the magnetic retention type relay part LR to operate in reverse, and its main contact
It turns on MS. To turn off the main contact MS that has been turned on, conversely, the operation switch SW' of the operation section 7 can be turned to the off side. In other words, when the power is applied to the b terminal side, current flows through the circuit of the power transformer Tr, diode D _B , operation switch SW', excitation coil CL of the magnetic holding relay section LR, diode Db, auxiliary contact r ₁ , and power transformer Tr. As a result, the magnetic holding type relay part LR returns to its original state as shown in FIG.

Similarly, a predetermined load can be set using the wireless operation unit 9.
When you want to operate the Ln, press the on or off button on the wireless operation unit 9, and the wireless operation unit 9 will send an on or off code signal using radio waves (of course, using signal media such as light, ultrasonic waves, infrared rays, etc.). ). This code signal is received by the wireless receiving section 6 and received by the receiving circuit 1.
8. Demodulated by the control signal demodulation circuit 19. The demodulated code signal is determined by the determination means of the output circuit 20 to be on or off, and the initial switching contact SW'' of the output relay (not shown) is switched to the a terminal side or the b terminal side. By this switching, the load control relay Ryn operates in reverse in the same manner as the operation of the operation section 8 or 7 described above, and the corresponding load Ln
can be turned on or off.

In addition, the load on/off operation switch section 1 of the operation section 7
0 and the scan operation switch SWs may also be operated wirelessly. Further, if the load on/off operation switch section 10 or (operation section 7) has a circuit configuration as shown in FIG. 5, the operating state of the load to be operated can be displayed at the operator's hand. In other words, in the state of the circuit shown in FIG. 5, the capacitor 21 is charged via the b contact of the operating switch SW ₀ and the resistor 22. Here, when the operation switch SW ₀ is turned on to the a contact, the excitation coil CL of the load control relay Ry, the diode Da, the auxiliary contact R ₁ , the scan contact S, and the operation switch SW ₀
A circuit is formed between the b contact of the thyristor SCR ₁ and the charged load of the capacitor 21 is
3. Discharged through the light emitting diode LED ₁ and the gate cathode of the thyristor SCR ₁ . Therefore, the thyristor SCR ₁ turns on and reverses the magnetic holding type relay section LR of the load control relay Ry. After that, when the operation switch SW ₀ is returned to the a contact, the emitter-base circuit of the transistor Tr,
Current flows through the light emitting diode LED ₂ , resistors 24, 22, operation switch SW ₀ , auxiliary contact r ₁ , diode Db, and excitation coil CL, and the light emitting diode
LED ₂ lights up to indicate that the main contact MS is on. Next, when the operation switch SW ₀ is turned on to the a contact, the transistor Tr is turned on until the charge in the capacitor 21 is discharged, and the thyristor SCR ₂ is turned on.
Turn on, thyristor SCR ₂ , operation switch
SW ₀ , auxiliary contact r ₁ , diode Db, excitation coil
The CL circuit is thus constructed. Therefore, the magnetically held relay section LR is reversed and its main contact MS is turned off again. At this point, when operating switch SW ₀ is returned to the b contact, the magnetic holding type relay section of load control relay Ry
LR excitation coil CL, diode Da, auxiliary contact r ₁ , operation switch SW ₀ , and resistors 22, 23
Then, a current flows through the light emitting diode LED ₁ and the gate cathode of the thyristor SCR ₁ , causing the light emitting diode LED ₁ to emit light, indicating that the main contact MS is in the off state. In this way, if the circuit shown in Fig. 5 is used, the operating status of the main contact MS, that is, the load L, can be displayed by the light emission of the light emitting diodes LED ₁ and LED ₂ , and the user can use this display to indicate the operating status of the load L. You can know the status. Furthermore, if the display element _l1 of the display circuit 2 is arranged as a unit on, for example, a wall surface, even a bedridden person can easily set the desired load L by using the operation unit 8 while looking at the display. ₁ You can select and operate ……. In addition, the wireless receiving section 6 is installed on a wall surface such as under wax,
Even people who move around in wheelchairs can easily obtain the desired load L ₁
...... can be operated. In addition, the scan speed of the scan circuit section 1 can be adjusted using a variable resistor Ra, for example.
By allowing the setting to be made within a large range such as 0.5 sec to 7 sec, anyone can easily stop the scanning at the time of switching connection corresponding to the desired load L ₁ . . . without any delay in operation.

(Effects of the Invention) Since the present invention includes the load control relay configured as described above, a scan circuit section, an operation section, and a display circuit, the present invention is provided in the operation section as a control means for the load control relay. By simply connecting an operating section with the same configuration as the load on/off operation switch section in parallel with the load on/off operation switch section, it becomes possible to operate the load independently. It has the effect that it is easy to add a wall switch, etc., and since it is a load on/off operation switch part that switches the direction of energization as described above, it has a display configuration that lights up the display element depending on the direction of energization. It is possible to easily display the operating status of the load control relay, that is, the operating status of the load, at the operator's fingertips.Furthermore, it is possible to add an operating unit like the wall switch mentioned above, so a wireless operating unit can be installed on the wall. It is also possible to wirelessly control operating units such as switches, which has the effect of simplifying the development of a system that can be easily operated while on the move.

[Brief explanation of drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of the present invention, and FIG.
The figure is an overall circuit diagram of the same as above, FIG. 3 is a circuit diagram of the load control relay same as above, FIG. 4 is a specific circuit diagram of the scan circuit part of same as above, and FIG. 5 is a load of another embodiment of the present invention. Circuit diagram of on/off operation switch section, No. 6
The figure is a circuit diagram of a conventional example, where 1 is a scan circuit section, 2 is a display circuit, 8 is an operation section, 10 is a load on/off operation switch section, Ry ₁ ...... is a load control relay, and LR is a magnetic holding device. type relay part, CL is the excitation coil, r ₁ is the auxiliary contact, MS is the main contact, Da, Db are the diodes, SW, SW ₀ are the operation switches, D _A , D _B
is a diode, and SCR ₁ and SCR are thyristors.

Claims (1)

[Claims] 1. Provided corresponding to each load, turn on the load,
a magnetic holding type relay section having a main contact and an auxiliary contact that are turned off; a diode having an anode connected to one end of an excitation coil of the magnetic holding type relay section and a cathode connected to a first contact side of the auxiliary contact; A plurality of diodes each having a cathode connected to one end of the excitation coil and an anode connected to a second contact side of the auxiliary contact, forming a two-terminal circuit with the other end of the excitation coil and a common terminal of the auxiliary contact. A load on/off operation switch section and a scan operation switch constitute a two-terminal circuit comprising a load control relay, an operation switch, and two rectification control elements that switch the direction of current flow between positive and negative by operating the operation switch. Start and stop are controlled by operating the scan operation switch, and during operation, the load control relays are sequentially connected to the power source via the load on/off operation switch. The present invention comprises a scan circuit section that selects a possible load control relay, and a display circuit that sequentially switches and lights up display elements provided corresponding to each load control relay in response to the switching connection operation of the scan circuit section. A remote control device characterized by: