JPH08339890A - Lighting circuit and lighting device - Google Patents

Abstract

PURPOSE: To provide a lighting device which can accurately operate an emergency lamp by two-wire wiring. CONSTITUTION: In a condition that both fluorescent lamps FL1, FL2, FL3 and a baby bulb 4 are not lighted, when a wall switch 11 is operated in a time within 1sec, the fluorescent lamps FL1, FL2, FL3 are lighted. In this condition, when the wall switch 11 is operated in a time within 1sec, the fluorescent lamps FL1, FL2, FL3 are put out, also to light the baby bulb 4. In this condition, when operated the wall switch 11 in a time within 1sec, the baby bulb 4 is put out. By an emergency lamp lighting unit 14, when judged stopping applying voltage for about 4 to 5sec, regardless of a present condition of the wall switch 11, an emergency lamp 5 is lighted. Since the emergency lamp lighting unit 14 is not actuate by operating the wall switch 11 even when made wiring to a commercial AC power supply E through the wall switch 11, two-wire wiring can be performed, to be made capable of facilitating wiring work as compared with wiring of three-wire or more necessary, so as to enable a cost to reduce.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting circuit and a lighting device connected through a wall switch.

[0002]

2. Description of the Related Art Conventionally, a lighting device connected via a wall switch of this type is connected to a commercial AC power supply with a control device for normal lighting having a main lamp via the wall switch, and also connected to the commercial AC power supply. The emergency lighting device having the emergency lighting lamp and the battery is directly connected.

When the commercial AC power supply is not interrupted, the emergency lamp of the emergency light lighting device is not turned on, and the main lamp is turned on by the control device according to the wall switch.

On the other hand, at the time of a power failure of the commercial AC power supply, since the power is not supplied, the main lamp is turned off in the control device regardless of the state of the wall switch, and the emergency light lighting device turns on the emergency lamp by the battery.

[0005]

As described above, the wiring connected from the lighting device to the commercial AC power source is a two-wire wiring because the control device via the wall switch and the emergency lighting device are separate. Cannot be carried out, and at least three wires or more are required, which makes the wiring complicated.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an illumination circuit and an illumination device that can operate an emergency lamp accurately even with two-wire wiring.

[0007]

A lighting circuit according to claim 1, comprising a main lamp for main lighting; a main lamp connected to a power source through a normally closed wall switch, and the wall switch being opened within a first set time. And a control means for controlling the lighting state of the main lamp by detecting a power failure, which has an emergency lamp for emergency lighting and is connected to a power source through the wall switch to detect a power failure for a second set time or more. And an emergency light lighting means for lighting the emergency lamp for emergency lighting.

An illumination circuit according to claim 2 further comprises a main lamp for main illumination; a main lamp connected to a power source through a normally closed wall switch, and the main switch is detected by detecting the opening of the wall switch within a first set time. Control means for controlling a lighting state of a lamp; an instrument switch interposed between the control means and a main lamp to control the lamp; an emergency lamp for emergency lighting, and a power source via the wall switch An emergency light lighting means which is connected and which lights up the emergency lamp for emergency lighting by detecting a power failure for a second set time or longer;

The lighting circuit according to claim 3 includes a normally closed appliance switch; a main lamp for main lighting; a normally closed wall switch, and the wall switch and the appliance switch connected to a power source through the appliance switch. Control means for controlling the lighting state of the main lamp by detecting the opening within the first set time; and having a second emergency lamp for emergency lighting and being connected to a power source through the wall switch. An emergency light lighting means for detecting the power failure for a set time or longer and lighting the emergency lamp for emergency lighting.

An illumination circuit according to a fourth aspect is the illumination circuit according to the first to third aspects, further comprising an auxiliary lamp, and the control means switches the main lamp and the auxiliary lamp to light.

According to a fifth aspect of the present invention, in the illumination circuit according to the fourth aspect, the control means sequentially turns on the main lamp and turns on and off the auxiliary lamp.

An illumination circuit according to a sixth aspect is the illumination circuit according to the fifth aspect, wherein the control means is longer than a third set time shorter than the second set time and longer than the first set time,
The auxiliary lamp is set when the opening time is shorter than the second set time.

An illumination circuit according to a seventh aspect is the illumination circuit according to the sixth aspect, wherein the emergency lamp is a fluorescent lamp.

An illuminating device according to an eighth aspect comprises the illuminating circuit according to any one of the first to seventh aspects; and a fixture main body to which the illuminating circuit is housed and to which a lamp is attached.

[0015]

In the illumination circuit according to the first aspect of the present invention, the control means detects the opening of the normally closed wall switch within the first set time to control the lighting state of the main lamp, and the emergency lighting means controls the second lighting circuit. By detecting the power failure for more than the set time and lighting the emergency lamp for emergency lighting, both the control means and the emergency light lighting means are wired through the wall switch. The lighting means is prevented from malfunctioning, and two-wire wiring is possible.

According to another aspect of the lighting circuit of the present invention, the control means detects the opening of the normally closed wall switch within the first set time to control the lighting state of the main lamp and the instrument switch to control the main lamp. However, both the control means and the emergency light lighting means are wired through the wall switch by detecting the power failure for the second set time or longer by the emergency light lighting means and lighting the emergency lamp for emergency lighting. Therefore, the emergency light lighting means does not malfunction due to the operation of the wall switch, and the two-wire wiring becomes possible.

In the lighting circuit according to the third aspect, the control means detects the opening of the normally closed wall switch and the instrument switch within the first set time to control the lighting state of the main lamp, and the emergency light lighting means. Since the control means and the emergency light lighting means are wired through the wall switch by detecting the power failure for the second set time or longer and lighting the emergency lamp for emergency lighting, the operation of the wall switch is performed. As a result, the emergency light lighting means does not malfunction, and 2-wire wiring is also possible.

An illumination circuit according to claim 4 is the illumination circuit according to any one of claims 1 to 3, further comprising an auxiliary lamp, and the control means switches and lights the main lamp and the auxiliary lamp. Therefore, not only the main lamp but also the auxiliary lamp. Also control.

According to a fifth aspect of the present invention, in the lighting circuit according to the fourth aspect, the control means can simply turn on the main lamp and turn on and off the auxiliary lamp in order, so that the main lamp can be easily operated. It also controls the auxiliary lamp.

An illumination circuit according to a sixth aspect is the illumination circuit according to the fifth aspect, wherein the control means is longer than a third set time shorter than the second set time and longer than the first set time,
If the auxiliary lamp is opened for a time shorter than the second set time, the auxiliary lamp is set, so that the auxiliary lamp is directly turned on from the off state without passing through the main lamp.

The illumination circuit according to a seventh aspect is the illumination circuit according to the sixth aspect, and since the emergency lamp is a fluorescent lamp, a high brightness can be obtained with a low output.

An illuminating device according to an eighth aspect of the invention has the respective functions of the illuminating circuit according to the first to seventh aspects.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the illumination device of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an illumination circuit, and FIG.
2 is a perspective view showing an illuminating device. As shown in FIG. 2, the plate-shaped instrument body 1 is attached to the ceiling S or the like via the hook sealing device 2 shown in FIG.

Further, three pairs of lamp sockets 3 and 3 are provided on the front side of the instrument body 1, and these lamp sockets 3 and 3 are provided.
Fluorescent lamps FL1, FL2, FL3, which are the main lamps in 3
The book is sandwiched and attached.

Further, a baby ball 4 as an auxiliary lamp is arranged between the fluorescent lamps FL1 and FL2, and an emergency lamp 5 is arranged between the fluorescent lamps FL2 and FL3.

A transparent shade 6 is provided on the front side of the instrument body 1 so as to cover the fluorescent lamps FL1, FL2, FL3, the baby ball 4 and the emergency lamp 5.

Further, as shown in FIG. 1, they are electrically connected.

That is, the commercial AC power source E is connected to the normally closed wall switch 11 provided on the wall W and the control circuit 12 as a control means mounted on the instrument main body 1 via the hook sealing device 2. The control circuit 12 has a fluorescent lamp FL.
1, FL2, FL3 and baby ball 4 are connected.

Similarly, the commercial AC power source E is attached to the instrument body 1 via the normally closed wall switch 11 and the hooking sealing device 2 and connected to the emergency light lighting unit 14 as the emergency light lighting means. The emergency lamp lighting unit 14 is provided with the emergency lamp 5, and when the voltage application is stopped for a time longer than the second set time, for example, 4 seconds to 5 seconds, the emergency lamp 5 is turned on. The emergency light lighting unit 14 has a power failure detecting means, a charging power source, and a battery charged by the charging power source. The lamp 5 is turned on.

FIG. 3 is a circuit diagram showing a control circuit. A commercial AC power source E is connected between terminals II and IV through a wall switch 11, and terminal I is connected to fluorescent lamps FL1, FL2 and FL3. A baby ball 4 is connected to the terminal III.

First, the terminal I is connected via the triac Q1, the triac Q2 and the resistor R1 to the AC input terminals of the diodes D1, D2, D3 and D4 forming the bridge, and these diodes D1, D2, D3 and D4 are connected. Output terminal is resistor R2, resistor
The collector and the emitter of R3 and the transistor Q3 are connected, and the resistor R4 is connected between the base and the emitter.
The base of the transistor Q3 is connected to the collector of the transistor Q4, and the emitter of the transistor Q4 is PU.
It is connected to the connection point of the diode D1 and the diode D3 via TQ5 and the diode D5. Further, the resistor R5 is connected to the base of the transistor Q4, and the capacitor PUTQ5, the transistor Q4 and the resistor R5 are connected in parallel to each other.
C1 and resistor R6 are connected in parallel.

The connection point of the diode D1 and the diode D3 is connected to the resistor R5 via the diode D6 and the capacitor C2, and the connection point of the diode D6 and the capacitor C2 is connected to the connection point of the resistor R2 and the resistor R3. ing. Further, a series circuit of a Zener diode ZD3 and a capacitor C3 is connected in parallel with the diode D6 and the capacitor C2, and a resistor R7 is connected in parallel with the capacitor C3. The connection point of the Zener diode ZD3 and the capacitor C3 is connected to the gate of PUTQ5 via the parallel circuit of the capacitor C4 and the resistor R8.

Further, the terminal II is a capacitor C5, a fuse
It is connected to the connection point of diode D1 and diode D2 via a series circuit of F1 and resistor R11, constant voltage element Q6 is connected between terminals II and IV, and short-circuited between terminals I and IV. ing.

A triac Q7 is connected between the terminals III and IV, and the gate of the triac Q7 is connected to the terminal II via a diode D7, a diode D8, a fuse F2, a resistor R12 and a capacitor C6. A resistor R13 is connected between the connection point of the fuse F2 and the diode D8 and the terminal IV, and diodes D11, D12, D13, D14 bridge-connected between both terminals of this resistor R13.
It is connected to the AC input terminal of.

Further, the diodes D11, D12, D13, D1
A resistor R14, a resistor R15 and the collector and emitter of the transistor Q8 are connected between the output terminals of 4, and a resistor R16 is connected between the base and the emitter. The base of the transistor Q3 is connected to the connection point of the diode D11 and the diode D13 via the PUT Q9 and the diode D15. Further, a capacitor C7 and a resistor R17 are connected in parallel with the PUT Q9 and the resistor R16.

Further, the diode D11 and the diode D1
The connection point of 3 is connected to the resistor R16 via the diode D16 and the capacitor C8, and the connection point of the diode D16 and the capacitor C12 is connected to the connection point of the resistor R14 and the resistor R15. Further, a series circuit of Zener diode ZD4 and capacitor C11 is connected in parallel to diode D16 and capacitor C8, and resistor R14 is connected in parallel to capacitor C11. The connection point of Zener diode ZD4 and capacitor C11 is connected to PUTQ9 via the parallel circuit of capacitor C12 and resistor R19.
Connected to the gate. In addition, a resistor R20 is connected between the gate and anode of PUTQ9,
Both ends of D15 are connected to a resistor R5 via diodes D17 and D18, respectively.

Next, the operation of the above embodiment will be described.

First, when the fluorescent lamps FL1, FL2, FL3 and the baby ball 4 are not lit, the wall switch 11 is operated when the wall switch 11 is operated within the first set time, for example, within 1 second. The control circuit 12 is opened for the operating time, the terminals II and IV are opened, and the output from the terminal I is made to illuminate the fluorescent lamps FL1, FL2, FL3.

Further, these fluorescent lamps FL1, FL2, FL3
When the wall switch 11 is operated within the first set time, for example, within 1 second while is lit, the wall switch 11 is opened for the operating time, and the control circuit 12 is connected to the terminal.
II and the terminal IV are opened, the output from the terminal I is stopped, the fluorescent lamps FL1, FL2 and FL3 are turned off, the output from the terminal II is output and the baby ball 4 is turned on.

Furthermore, when the baby balls 4 are lit, when the wall switch 11 is operated within the first set time, for example, within 1 second, the wall switch 11 is opened for the operating time, The control circuit 12 has terminals II and IV.
The space is opened, the output from the terminal II is stopped, and the baby ball 4
To turn off.

By repeating the operation of the wall switch 11 within 1 second in this way, the fluorescent lamp FL1 is turned off.
, FL2, FL3 are turned on, and baby ball 4 is turned on and off cyclically.

On the other hand, when the wall switch 11 is operated for a third set time of, for example, 1.5 seconds or longer while the light is off, the fluorescent lamps FL1, FL2, FL3 are not turned on and the terminals are not turned on. Output from II and light the baby ball 4.

When a power failure occurs, the supply of electric power is stopped, so that both the terminal I and the terminal II stop outputting, and the fluorescent lamps FL1, FL1
2, FL3 and baby ball 4 all stop outputting. Further, in the emergency light lighting unit 14, when the application of the voltage is stopped for about 4 to 5 seconds, it is judged that there is a power failure and the emergency lamp 5 is turned on. Note that the battery of the emergency light lighting unit 14 is charged during normal times when the commercial AC power source E is in a non-power failure state.

The operation of the normal wall switch 11 also stops the energization of the emergency light lighting unit 14, but since it is instantaneous, the emergency light lighting unit 14 does not light the emergency lamp, that is, the wall. Even if the commercial AC power source E is wired through the switch 11, the operation of the wall switch 11 does not cause the emergency light lighting unit 14 to operate.
Even if it has 11, it is possible to carry out 2-wire wiring, and the wiring work can be facilitated and the cost can be reduced as compared with the conventional wiring requiring three or more wires.

FIG. 4 is a block diagram showing an illumination device of another embodiment. The illumination device shown in FIG. 4 is similar to the illumination device shown in FIG. 1 except that the output terminal of the control circuit 12 is a pull switch type rotary switch 21. Through fluorescent lamps FL1, FL2, FL
3 and baby ball 4 are connected.

The basic operation is the same as that of the lighting apparatus shown in FIG. 1, but the operation of the wall switch 11 sequentially turns on and off the output of the control circuit 12 to change the rotary switch.
The setting of 21 turns on the fluorescent lamps FL1, FL2, FL3,
The baby ball 4 is set to be turned on or off.

FIG. 5 is a block diagram showing a lighting apparatus of another embodiment. The lighting apparatus shown in FIG. 5 is the wiring on the side opposite to the wiring through the wall switch 11 in the lighting apparatus shown in FIG. Is connected to a normally closed pull switch 22.

Then, the wall switch 11 and the pull switch
The sequential control circuit 12 sets the lighting of the fluorescent lamps FL1, FL2, FL3 and the lighting and extinguishing of the baby ball 4 in the same manner as in the lighting device shown in FIG. That is, when either the wall switch 11 or the pull switch 22 is operated in the off state, the control circuit 12 sequentially turns on the fluorescent lamps FL1, FL2, FL3, and then the wall switch 11
When any of the pull switches 22 is operated, the fluorescent lamps FL1, FL2, FL3 are turned off and the baby ball 4 is turned on, and the wall switch 11 or pull switch is turned on.
When any one of 22 is operated, the baby ball 4 is also turned off,
Cyclic control is performed by operating either the wall switch 11 or the pull switch 22.

Further, in any of the embodiments, if the lamp of the emergency light lighting unit 14 is a fluorescent lamp, it is possible to obtain a high brightness with a low output and to extend the discharge time of the battery.

[0051]

According to the lighting circuit of the first aspect, the control means detects the opening of the normally closed wall switch within the first set time to control the lighting state of the main lamp, and the emergency light lighting means. By detecting a power failure for a second set time or longer and turning on the emergency lamp for emergency lighting, both the control means and the emergency light lighting means can be wired via the wall switch, so two-wire wiring is possible. In addition, it is possible to prevent the emergency light lighting means from malfunctioning due to the operation of the wall switch.

According to the illumination circuit of the second aspect, the control means detects the opening of the normally closed wall switch within the first set time to control the lighting state of the main lamp, and the instrument switch switches the main lamp. And the emergency lamp lighting means detects a power failure for a second set time or longer to light the emergency lamp for emergency lighting, so that both the control means and the emergency light lighting means are operated via the wall switch. Since the wiring can be performed, two-wire wiring is possible, and it is possible to prevent the emergency light lighting means from malfunctioning due to the operation of the wall switch.

According to the lighting circuit of the third aspect, the control means detects the opening of the normally closed wall switch and the instrument switch within the first set time to control the lighting state of the main lamp.
By detecting the power failure for the second set time or longer by the emergency light lighting means and lighting the emergency lamp for emergency lighting,
Since both the control means and the emergency light lighting means can be wired via the wall switch, two-wire wiring is possible, and it is possible to prevent the emergency light lighting means from malfunctioning due to the operation of the wall switch.

According to the lighting circuit of the fourth aspect, in addition to the lighting circuit of the first to third aspects, an auxiliary lamp is provided, and the control means switches and lights the main lamp and the auxiliary lamp. Therefore, only the main lamp is provided. The auxiliary lamp can also be controlled.

According to the illumination circuit of the fifth aspect, in addition to the illumination circuit of the fourth aspect, the control means sequentially repeats lighting of the main lamp and turning on and off of the auxiliary lamp so that only the main lamp is illuminated. The auxiliary lamp can also be controlled easily.

According to the lighting circuit of the sixth aspect, in addition to the lighting circuit of the fifth aspect, the control means is longer than a third setting time shorter than the second setting time and longer than the first setting time, Since the auxiliary lamp is selected when it is opened for a time shorter than the second set time, the auxiliary lamp can be turned on directly from the off state without going through the main lamp, improving operability and preventing sudden brightening from darkness. At the same time, it is possible to prevent the main lamp from staying lit when the power is restored while you are away.

According to the lighting circuit of the seventh aspect, in addition to the lighting circuit of the sixth aspect, since the emergency lamp is a fluorescent lamp, it is possible to obtain a high brightness with a low output.

According to the lighting device of the eighth aspect, the respective effects of the lighting circuits of the first to seventh aspects can be exhibited.

[Brief description of drawings]

FIG. 1 is a block diagram showing an illumination circuit according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the same illumination device.

FIG. 3 is a circuit diagram showing a control circuit of the same.

FIG. 4 is a block diagram showing an illumination device of another embodiment of the same as above.

FIG. 5 is a block diagram showing an illumination device of another embodiment of the above.

[Explanation of symbols]

 1 Instrument main body 4 Baby ball as an auxiliary lamp 5 Emergency lamp 11 Wall switch 12 Control circuit as control means 14 Emergency light lighting unit as emergency light lighting means E Commercial AC power supply FL1, FL2, FL3 Fluorescent lamp as main lamp

Claims (8)

[Claims] 1. A main lamp for main lighting; connected to a power supply through a normally closed wall switch, and detecting the opening of the wall switch within a first set time to control the lighting state of the main lamp. Control means; and an emergency lamp for emergency lighting, which is connected to a power source through the wall switch and detects a power failure for a second or more set time, and lights the emergency lamp for emergency lighting A lighting circuit comprising: a lamp lighting means; 2. A main lamp for main lighting; connected to a power supply through a normally closed wall switch, and detecting the opening of the wall switch within a first set time to control the lighting state of the main lamp. A control means; an instrument switch interposed between the control means and the main lamp to control the lamp; an emergency lamp for emergency lighting and connected to a power source via the wall switch for a second set time An emergency light lighting means for detecting the above power failure and lighting the emergency lamp for emergency lighting. 3. A normally closed fixture switch; a main lamp for main lighting; a normally closed wall switch and a fixture switch connected to a power source within a first set time of the wall switch and the fixture switch. Control means for detecting the open state of the main lamp and controlling the lighting state of the main lamp; and having an emergency lamp for emergency lighting and being connected to a power source through the wall switch to detect a power failure for a second set time or more. And an emergency lamp lighting means for lighting the emergency lamp for emergency lighting. 4. The lighting circuit according to claim 1, further comprising an auxiliary lamp, wherein the control means switches the main lamp and the auxiliary lamp to light. 5. The illumination circuit according to claim 4, wherein the control means sequentially repeats lighting of the main lamp, lighting of the auxiliary lamp and extinction of the auxiliary lamp. 6. The control means sets the auxiliary lamp when opened for a time shorter than the second set time and longer than the third set time and longer than the third set time and shorter than the second set time. The lighting circuit according to claim 5, wherein the lighting circuit is a lighting circuit. 7. The lighting circuit according to claim 6, wherein the emergency lamp is a fluorescent lamp. 8. A lighting device comprising: the lighting circuit according to claim 1; and a main body of a fixture to accommodate the lighting circuit and to which a lamp is attached.