JP2909578B2 - Remote control spotlight - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to various studios, theaters,
The present invention relates to improvement of a remote control type spotlight used in a hall or the like.

[0002]

2. Description of the Related Art As a remote control type spotlight of this type, for example, those shown in FIGS. 5 and 6 are known. This spotlight has a spotlight body 20 accommodating the illumination lamp 4 supported by an arm 21, and a pan drive block 6 </ b> A attached to the arm 21.
When the pan driving shaft 60a is rotated in the direction of arrow a relative to the support block 8, the spotlight main body 20 is configured to pan with the arm 21 around the pan driving shaft 60a. When the tilt drive shaft 60b of the tilt drive block 6B is rotated in the direction of the arrow b, the spotlight main body 20 rotates the tilt drive shaft 60b.
It is configured to be tilted and rotated around the support shaft 61b and the support shaft 61 at the other end. These tilt drive blocks 6B
The tilt drive shaft 6 is provided inside each of the pan drive blocks 6A.
0b and motors (not shown) for driving and rotating the pan drive shaft 60a are incorporated. Each of these motors transmits a control signal to a drive control unit 8 housed in the support block 8, for example. The position of the spotlight beam emitted from the illumination lamp 4 via the lens R can be arbitrarily changed by remote control.

Conventionally, the tilt drive block 6
An external power supply is used as a drive power supply for the drive blocks such as B and the pan drive block 6A and an illumination power supply for the illuminating lamp 4, as shown in FIG.
A, 6B and the illuminating lamp 4 are separate power supply lines L1, L2, respectively.
In fact, it was connected to the external power supplies 1 and 1 by using.

[0004]

However, in the above-mentioned conventional device, the power supply line L for the drive blocks 6A and 6B is not provided.
2 and the power supply wiring L1 for the illumination lamp 4 are both required, so that the number of power supply wirings is increased, which is a drawback in installation and use of the spotlight. Therefore, it is an object of the present invention to reduce the number of these power supply wires and to improve the handling when installing and using a remote control type spotlight.

[0005]

According to a first aspect of the present invention, there is provided a remote-controlled spotlight according to the present invention. It has a rechargeable battery for supplying drive power to the drive block for tilt rotation, and a changeover switch connected to an external power supply. The power supply to the charging circuit of the rechargeable battery can be switched by remote control.

According to a second aspect of the present invention, there is provided a remote control type spotlight for supplying driving power to a drive block for at least panning or tilting a spotlight body containing an illumination lamp. Rechargeable battery, an output variable unit that allows the amount of power supplied to the lamp from an external power source to be increased or decreased by remote control, and when power is supplied to the lamp from the output variable unit, Power switching control means for preventing power supply to the charging circuit of the rechargeable battery while supplying power to the rechargeable battery from an external power supply when power supply to the illumination lamp is stopped. .

According to a third aspect of the present invention, there is provided a remote control type spotlight according to the second aspect, wherein the power switching control means is configured such that the output is variable with respect to the external power supply so that power is always supplied from the external power supply. A switching circuit connected in parallel with the section, a current detection circuit for detecting a power supply state from the output variable section to the lighting lamp, and a state in which power supply to the lighting lamp is stopped by the current detection circuit. A signal output circuit for inputting a predetermined signal to the switching circuit, wherein the switching circuit charges the power of the external power supply only when a predetermined signal is input from the signal output circuit. It is configured to output to a circuit.

[0008]

In the remote control type spotlight according to the first aspect of the present invention, when the changeover switch is remotely operated so as to supply power from an external power supply to the illumination lamp, While the illumination lamp can be turned on, power can be supplied from the rechargeable battery to the drive block, so that the spotlight main body can be appropriately panned or tilted. On the other hand, when it is not necessary to turn on the illumination lamp, the power supply from the external power supply to the illumination lamp may be stopped by remotely switching the changeover switch. In this case, power is supplied from the external power supply to the charging circuit of the rechargeable battery, so that the rechargeable battery can be charged. Therefore, it is not necessary to simultaneously supply power from the external power supply to both the illumination lamp and the drive block, and only one power supply line is required for receiving power supply from the external power supply. It is not necessary to connect both the illumination lamp and the drive block to an external power supply using separate power supply wirings.

In the remote control type spotlight according to the second aspect of the present invention, the amount of power supplied from an external power supply to the illumination lamp is arbitrarily increased or decreased by remotely controlling the output variable section. The brightness of the illumination lamp can be adjusted, and when power is supplied to the illumination lamp, the drive block can be driven by the power of the rechargeable battery. It is not necessary to connect both the illuminator and an external power supply using separate power supply wiring. Thus, at the time of adjusting the power amount to the lighting lamp, when the power supply from the output variable unit to the lighting lamp is stopped,
The power switching control means controls power supply from an external power supply to the charging circuit of the rechargeable battery. Therefore, when the illumination lamp is turned off, the rechargeable battery is automatically charged.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In the remote control type spotlight according to each of the following embodiments, the spotlight main body 20 accommodating the illuminating light 4 includes a pan drive block 6A and a tilt drive block, as shown in FIGS. 6
It is configured to rotate pan and tilt by driving B, and the configuration is omitted for convenience. However, in the present invention, it is needless to say that the respective components such as the pan driving block 6A and the tilt driving block 6B may be incorporated in the spotlight main body 20.

[First embodiment (corresponding to claim 1)] FIG.
FIG. 1 is a block diagram showing an example of a hardware configuration of a power supply system of a remote control type spotlight A according to a first embodiment of the present invention. The spotlight A includes a changeover switch 2 connected to an external power supply 1 via a power supply line L, and a rechargeable battery 3. The changeover switch 2 is capable of remotely switching the opening and closing of its switch contacts a and b by a control signal transmitted from the controller C of the spotlight A by remote control. External power supply 1
Power is supplied from On the other hand, when the contact b is closed, power is supplied from the external power supply 1 to the battery charging circuit 5 connected to the charging terminal Ta of the rechargeable battery 3.

On the other hand, the discharge terminal Tb of the rechargeable battery 3
Is connected to a drive control unit 8 that controls the driving of the pan drive block 6A and the tilt drive block 6B according to a control signal transmitted from the controller C, and is incorporated in the pan drive block 6A and the tilt drive block 6B. The motor is configured to be supplied with power from the rechargeable battery 3. As shown in FIG. 2, for example, a pulse signal as a control signal from the controller C is used as the drive control unit 8 by the microcomputer 8a.
, The power supply output from the driver IC 8b to the motors of the drive blocks 6A and 6B is switched on and off.

In the remote control type spotlight A having the above configuration, when the contact b of the changeover switch 2 is first closed and the illumination lamp 4 is turned off, the external power supply 1
Is supplied to the charging circuit 5 side, and the rechargeable battery 3 is charged. Next, when the changeover switch 2 is switched by remote control to close the contact a side, the illuminating lamp 4 can be appropriately turned on by the power of the external power supply 1, while the pan drive block 6A and the tilt drive block 6B Can be driven by using the electric power of the rechargeable battery 3.

Therefore, even if the power supply line L from the external power supply 1 to the changeover switch 2 is singular, no trouble occurs, and the spotlight main body with the lighting lamp 4 turned on can be properly panned by remote control. By turning or tilting, the light projection position of the illumination can be arbitrarily changed. The charging of the rechargeable battery 3 is performed each time the contact b side of the changeover switch 2 is closed in order to turn off the illumination lamp 4, so that the rechargeable battery 3 is charged without performing any special operation. Can rechargeable battery 3
Of the battery can be properly prevented.

[Second embodiment (corresponding to claims 2 and 3)] FIG. 3 is a block diagram showing an example of a hardware configuration of a power supply system of a remote control type spotlight Aa according to a second embodiment of the present invention. It is. The spotlight Aa includes an output variable unit 9, a power switching control unit 7, and a rechargeable battery 3 connected to the external power supply 1 via a power supply line L.

Of the above, the output variable section 9 is capable of increasing or decreasing the power supply to the illumination lamp 4 by remote control. For example, as shown in FIG. 4, the dimming operation section 10 of the controller C1 is operated. Thus, a device having a triac 9a for receiving a pulse output from a pulse generator 10a having a variable resistor 10b is applied. The triac 9a increases or decreases the output current value according to the number of received pulses.

The power switching control section 7 includes a current detection circuit 7a for detecting a current output from the output variable section 9, a signal output circuit 7b connected to the current detection circuit 7a, and a signal from the signal output circuit 7b. A switching circuit 7c for inputting and inputting power from the external power supply 1 is provided. When the current detection circuit 7a detects the current, the signal output circuit 7b outputs an L level signal.
When the current detection is not performed, the output signal is at the H level, and specifically, a NOT circuit can be applied. The switching circuit 7c outputs the H signal from the signal output circuit 7b.
When both the level signal and the power input from the external power source 1 are made, the power input from the external power source 1 is output to the battery charging circuit 5 side.
Circuits are applicable.

In the remote control type spotlight Aa having the above-described configuration, the illuminance of the illumination lamp 4 can be appropriately changed by remotely controlling the output variable section 9 by the controller C1. When the electric power supplied from the external power supply 1 is supplied to the illuminating lamp 4 via the output variable section 9, the output signal of the signal output circuit 7b is at the L level, so that the switching circuit 7c outputs No power is supplied to the side 5, and the pan drive block 6 </ b> A and the tilt drive block 6 </ b> B are driven by the power of the rechargeable battery 3.

On the other hand, when the illuminance of the illuminating lamp 4 is turned off when the illuminating lamp 4 is turned off, the current detecting circuit 7 is no longer used.
a, no current is detected, and H is output from the signal output circuit 7b.
Since the level signal is output, the switching circuit 7c outputs the power from the external power supply 1 to the charging circuit 5 side. Therefore, when the illuminating lamp 4 is turned off, the rechargeable battery 3 is automatically charged, so that it is possible to appropriately prevent the battery from running out.

In the above embodiment, the pan driving block 6
A and a tilt drive block 6B have been described as an example, but the present invention is not limited to this, and only one of the drive blocks is provided, and only the pan rotation or only the tilt rotation is performed. It may be configured as a spotlight of a type that can be performed. Further, the rechargeable battery 3 is desirably incorporated in the spotlight main body. However, the rechargeable battery 3 is not necessarily required to be configured as described above. For example, the rechargeable battery 3 may be mounted outside the spotlight main body.

[0021]

As will be understood from the above description, according to the remote control type spotlight according to the first to third aspects of the present invention, when the illumination lamp is turned on using an external power supply, the rechargeable spotlight is used. While the drive block can be driven by using the battery, when the illumination lamp is turned off, the rechargeable battery can be charged using the external power supply, so that an unjustified situation such as a so-called battery rise does not occur. This eliminates the need to separately connect an external power supply to each of the illuminating lamp and the drive block, and simplifies the power supply wiring for connection to the external power supply.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an example of a hardware configuration of a power supply system of a remote control type spotlight according to the present invention.

FIG. 2 is a block diagram showing an example of a hardware configuration of a drive control unit applied to the remote control type spotlight shown in FIG.

FIG. 3 is a block diagram showing another example of the hardware configuration of the power supply system of the remote control type spotlight according to the present invention.

FIG. 4 is a block diagram showing an example of a configuration of an output variable unit applied to the remote control type spotlight shown in FIG.

FIG. 5 is a front view showing an example of a schematic configuration of a conventional remote control type spotlight.

FIG. 6 is a partially cutaway side view showing an example of a schematic configuration of a conventional remote control type spotlight.

FIG. 7 is a block diagram showing an example of a hardware configuration of a power supply system of a conventional remote control type spotlight.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 External power supply 2 Changeover switch 3 Rechargeable battery 4 Illumination lamp 5 Charging circuit 6A Pan drive block 6B Tilt drive block 7 Power switching control part 7a Current detection circuit 7b Signal output circuit 7c Switching circuit 8 Drive control unit 9 Output variable part C, C1 Controller L Power supply wiring A, Aa Remote control type spotlight

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) F21M 5/02 F21M 1/00 H01H 35/00 H04Q 9/00 301 F21P 5/00

Claims (3)

(57) [Claims] 1. A spotlight body containing an illumination lamp,
A remote control type spotlight including a drive block for rotating at least the pan or tilt of the spotlight body, a rechargeable battery for supplying driving power to the drive block, and an external power supply And a changeover switch connected to the power supply, and the changeover switch is configured to be capable of remotely switching power supply from an external power supply to the illumination lamp and power supply to the charging circuit of the rechargeable battery by remote control. Features a remote-controlled spotlight. 2. A spotlight body containing an illumination lamp,
A remote control type spotlight including a drive block for rotating at least the pan or tilt of the spotlight body, a rechargeable battery for supplying driving power to the drive block, and an external power supply An output variable section that allows the amount of electric power supplied to the lighting lamp to be increased or decreased by remote control,
When the power supply to the lighting lamp is performed from the output variable section, the power supply from the external power supply to the charging circuit of the rechargeable battery is prevented, while when the power supply to the lighting lamp is stopped, the external power supply is stopped. And a power switching control unit for supplying power to the rechargeable battery from a remote control type spotlight. 3. The power switching control means according to claim 2, wherein said power switching control means includes a switching circuit connected in parallel with an output variable section to said external power supply so that power is always supplied from said external power supply. A current detection circuit for detecting a state of power supply from the unit to the illumination lamp, and a signal for inputting a predetermined signal to the switching circuit when the state of stopping power supply to the illumination lamp is detected by the current detection circuit An output circuit, and wherein the switching circuit is configured to output the power of the external power supply to the charging circuit of the rechargeable battery only when a predetermined signal is input from the signal output circuit. Formula spotlight.