JPH03280303A - Lighting system - Google Patents

Abstract

PURPOSE:To adjust irradiation in a desired direction by providing a drive system of an apparatus main body for turning the apparatus main body, as well as a drive system of an optical system unit for turning the optical system unit. CONSTITUTION:A lighting apparatus main body 10 on which a lighting opening 11 is formed on the under surface by driving of a stepping motor 32 of a drive system 31 of the apparatus 10, is rotated around the shaft core of a rotational shaft 30 in a vertical direction, and an irradiation direction of panning is adjusted thereby. An optical system unit 15 is rotated around a shaft axis of horizontal rotational spindle parts 19, 20 as a center, by driving of a stepping motor 24 of a drive system 21 of the optical system unit 15, and irradiational direction of tilting is adjusted thereby. The weight of the apparatus main body 10 is balanced by a drive system of the optical system unit provided on the side of one rotational spindle part 19 of the optical system unit 15 and by parts provided on the side of the other rotational spindle part 20, and an inertial moment at the time of rotation around the shaft axis of the apparatus main body 10 in vertical direction, can be reduced. Since the apparatus main body 10 is stably rotated, and the optical system unit 15 is supported by the rotational spindles 19, 20 so that it may be rotated, the rotation is smoothed.

Description

[Detailed Description of the Invention] [Objective of the Invention] (Industrial Field of Application) The present invention is applicable to ceiling panels such as acoustic reflectors called ceiling reflectors disposed above stages in theaters, halls, etc. It relates to lighting devices such as recessed downlights.

(Prior Art) Conventional illumination devices such as downlights installed on this type of acoustic reflector have a structure in which the optical axis of the optical system is fixed.

(Problem to be Solved by the Invention) Generally, a stage for performing symphonic music, such as a hall or a theater, has a stage that can be raised and lowered from the back, side, and upwards to surround the performers on the stage, and can be tilted horizontally or at any angle. Acoustic reflectors are installed throughout the hall, and these reflectors allow the sounds from the orchestra to reverberate back into the audience seats.

The ceiling reflector, which is made of acoustic reflectors, is suspended by hanging strips such as chains and wires, and the ceiling reflector is raised and lowered by winding and unwinding the hanging strips. The reflector can be changed to an appropriate state from a horizontal state to an inclined state due to the acoustic effect, and when a lighting fixture such as a downlight whose optical axis is fixed to such a ceiling reflector is installed, the ceiling reflector's There was a problem in that the irradiation direction changed due to the tilt, making it impossible to obtain an appropriate lighting effect.

Therefore, it is possible to attach the lighting fixtures to the ceiling reflector so that they can rotate freely, but if the fixtures themselves are attached so that they can rotate,
The fixture fitting hole formed in the ceiling reflector must be enlarged, and if the fixture fitting hole is made thicker, there is a problem that the acoustic effect will be impaired.

The present invention has been made in view of the above-mentioned problems, and allows the optical system to be rotated around the vertical axis without enlarging the fitting hole in the ceiling plate or the like and without impairing the acoustic effect. The present invention provides an illumination device that can control the irradiation direction in the tilt direction by rotating the irradiation direction and the irradiation direction around the horizontal axis.

[Structure of the invention]

(Means for Solving the Problems) The illumination device of the invention according to claim 1 includes a device main body in which an irradiation opening is formed in the lower surface, at least a lamp provided on the device main body, and a reflector plate facing the lamp. and an optical system unit that emits light from the irradiation opening, the instrument body is rotatably supported around a vertical rotation axis, and the optical system unit is rotatably supported around a horizontal rotation axis. The device is rotatably supported on the instrument body, and includes a drive system for the instrument body that rotates the instrument body and a drive system for the optical system unit that rotates the optical system unit.

The lighting device according to the invention according to claim 2 includes a ceiling plate that can be raised and lowered and is supported in a horizontal state or an inclined state at an arbitrary angle, and that is rotatable about a rotation axis perpendicular to the ceiling board. an apparatus main body supported by the apparatus body and having an irradiation amount of 1-1 on the lower surface; and a apparatus main body rotatably supported by the apparatus main body about a horizontal axis of rotation and including at least a lamp and a reflector plate facing the lamp. The optical system unit that emits light from the irradiation opening of the instrument body, the drive system of the instrument body that rotates the instrument body, and the drive system of the optical system unit that rotates the optical system unit are moved up and down the ceiling plate, respectively. and a control section that controls the rotation angle to a preset rotation angle depending on the position and horizontal tilt state.

The lighting device of the invention according to claim 3 is the lighting device according to claim 1 or 2.
In the lighting device described in , the irradiation amount of the device body [1] The inner diameter of the fitting hole formed in the ceiling plate into which the irradiation opening of the device body fits is made larger than the outer diameter of the irradiation opening of the device body. A gap is formed between the outer periphery and the fitting hole of the ceiling plate.

The lighting device of the invention according to claim 4 is the lighting device according to any one of claims 1.2 or 3, in which the optical system unit rotates horizontal rotation shaft parts attached to both sides of the device body. A drive system for an optical system unit that rotates the optical system unit is disposed on the one rotation shaft side of the instrument body, and a drive system for an optical system unit that rotates the optical system unit is disposed on the other rotation shaft side. It is equipped with parts that maintain the drive system and weight balance.

(Function) In the illumination device according to the invention described in claim 1, the instrument body having the irradiation opening formed on the lower surface is rotated about the vertical rotation axis by the drive of the drive system of the instrument body, and the optical system unit is rotated. The optical system unit is rotated around the horizontal axis of rotation by driving the drive system, and the irradiation direction can be adjusted in any desired direction, compared to a configuration in which the instrument body is rotated around the horizontal axis of rotation. , the fitting hole for equipment such as a ceiling board can be made smaller, and the acoustic effect will not be impaired.

The lighting device of the invention according to claim 2 provides a control operation of the control section according to the vertical position and horizontal inclination state of the ceiling plate.
The drive system of the instrument body that rotates the instrument body and the drive system of the optical system unit that rotates the optical system unit are drive-controlled to a preset rotation angle, and an irradiation opening is formed on the lower surface by driving the drive system of the instrument body. The main body of the instrument, which formed the The ceiling panel is adjusted in the vertical direction to obtain the optimum lighting effect in the raised and lowered position of the ceiling board and in horizontal or inclined conditions.

In the lighting device of the invention according to claim 3, the gap between the outer periphery of the irradiation opening of the fixture body and the inner periphery of the fitting hole formed in the ceiling plate becomes a ventilation gap due to rising air current, and the temperature of the lighting device is reduced. The rise can be suppressed.

In the lighting device of the invention according to claim 4, the fixture main body includes a drive system of the optical system unit disposed on one rotation shaft side of the optical system unit and a component disposed on the other rotation shaft side. This maintains the weight balance, reduces the moment of inertia when the instrument body rotates about the vertical axis, and allows the instrument body to rotate stably and the optical system unit to rotate smoothly.

(Example) The configuration of an embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 2, a plurality of ceiling reflector groups 2 each consisting of a plurality of ceiling reflectors 1 formed of ceiling panels, for example acoustic reflectors, are suspended by hanging strips 3 such as chains or wires. By winding up and unwinding the suspension strips 3, each ceiling reflector 1 of the ceiling reflector group 2 is raised and lowered, and furthermore, each ceiling reflector 1 is moved from a horizontal state to a vertical state from above the acoustic effect. It is adapted to be changed to an appropriate state so as to be tilted in the direction and the lateral direction.

In the first white, 10 is an instrument main body, and this instrument main body 10
1 is a substantially cylindrical main body housing part 12 with an opening between irradiation parts 11 on the lower surface, and drive system housing parts 13 provided on both sides of this main body housing part 12. 14, and the drive system housing parts 13 and 14 on both sides are mounted above the lower end irradiance part 11 of the main body housing part 12.

An optical system unit 15 is rotatably disposed within the main body casing 12. This optical system unit 15 includes at least a lamp 17 supported on the upper part of a support frame 16, and is configured to control the light emitted from the lamp 17 so as to direct the light emitted from the lamp 17 toward the irradiation amount 11. This support frame 1 has a reflecting plate 18 facing the lamp 17.
6 is adapted to be rotated in the tilt direction about rotating shaft portions 19 and 20 extending horizontally on both sides.

Inside the one drive system housing section 13 is the optical system unit).
A drive system 21 for rotationally driving the rotating shaft 15 is provided, and this drive system 21 is provided with a bearing section 22 for the one rotating shaft section 19, a Honol gear 23 is attached to this rotating shaft section 19, and A mating worm gear is attached to the drive shaft of the stepping motor 24.

Further, a bearing portion 25 for the other rotating shaft portion 20 of the optical system unit 15 is provided in the other drive system housing portion 14 . Also, inside this drive system housing section 14, there is a drive control section of a control section to be described later, and parts that maintain weight balance with the drive system 21 disposed in one of the drive system housing sections 13, such as a weight. Alternatively, power batteries, spare motors, etc. are provided. That is, components such as a drive control section, a power supply battery, and a standby motor are arranged so as to maintain weight balance with the drive system 21.

The generally cylindrical main body casing 12 of the instrument main body 10 has a ventilation hole 27 formed in the upper part, and a reinforcing metal fitting made of an elongated plate bent into a U-shaped cross section is provided on the outer surface of the main body casing 12. 28 is fixed.

A lower end of a vertical rotating shaft 30 is fixed to the center of the upper surface of the main body casing 12, and this rotating shaft 30 is connected to a gear drive shaft of a stepping motor 32 forming a drive system 31 of the instrument main body 10. They are coupled via a mechanism 40. The drive system 31 is provided in a drive system casing 35 supported by a support frame 34 attached to the ceiling reflector 1, and is connected to the F side of the drive system casing 35 via the rotating shaft portion 30. The instrument main body 10 is suspended and supported.

In addition, the inner diameter of the fitting hole 36 of the ceiling reflector 1 into which the irradiation opening 11 of the apparatus main body 10 is fitted is made larger than the outer diameter of the irradiation opening 11 of the apparatus main body 10, so that the illuminator 1-1 part A gap 37 is formed between the outer periphery of the ceiling reflector 11 and a fitting hole 36 formed in the ceiling reflector 1. and,
The lower end of the irradiation opening 11 of the appliance main body 10 is attached so as not to protrude from the lower surface of the ceiling reflector 1.

In FIG. 1, numeral 39 is a cord connected to the lamp socket 38 into which the lamp 17 is mounted, the stepping motor 24, and the drive control section.

Next, the control section will be explained with reference to FIG.

Reference numeral 41 denotes a ceiling reflector control console, which has a ceiling reflector control unit such as a CPU, a storage unit such as a ROM, and an input unit such as a keyboard. A plurality of ten sets of control patterns (1), (2), (2), . . .

When a ceiling reflector control pattern signal is input to the ceiling reflector control console 41, each ceiling reflection of each ceiling reflector group 2 is tabulated and set in advance according to the pattern signal input from the storage section. The vertical position, horizontal state, or tilted state of the board 1 is called, and the control information for each ceiling reflector 1 of each ceiling reflector group 2 is output from the ceiling reflector control console 41 and input to the ceiling reflector drive control section 42. be done. Then, from this ceiling reflector drive control unit 42, each ceiling reflector group 2
The motor 43 of each ceiling reflector 1 winds up and unwinds the hanging strip 3 according to the address according to the information stored in the storage unit such as the ROM of the vertical position, horizontal state or tilted state of each ceiling reflector 1. are driven respectively, and each ceiling reflecting plate 1 is set to an elevated position, a horizontal state, or an inclined state according to the tabulated pattern.

The pattern signal from the ceiling reflector control console 41 is input to the lighting equipment control console 44 . This lighting equipment control console 44
The position pattern output is inputted to the instrument control console 45 from. This fixture control unit 45 is configured in advance using a table so as to set the optical system unit 15 and fixture main body 10 of each lighting fixture to the optimum illumination state according to the patterns 1, 1, 2, . . . Information for controlling the drive system 21 of the optical system unit 15 and the drive system 31 of the instrument body 10 is stored in a storage unit such as a ROM.

When the position pattern output is input to the instrument control console 45, information for controlling the drive system 21 of the optical system unit 15 and the drive system 31 of the instrument main body 1O is input based on the table recalled from the storage section. The data is inputted from the output interface for each ceiling reflector group 2 via the two-wire transmission line 46 to the drive control unit 47 of the lighting equipment provided in each ceiling reflector 1 according to the address. The drive control section 47 drives the motor 24 of the drive system 21 of the optical system unit 15 and the motor 32 of the drive system 31 of the instrument body 10. This drive control section 47 has a CPU, each has an address switch, and is set to a unique address. Further, this drive control section 47 is disposed within the other drive system housing section 14 .

Next, the operation of this embodiment will be explained.

By operating the input section of the ceiling reflector control console 41, control patterns 11 corresponding to, for example, opera or drama scenes can be created.
...When X is selected and a ceiling reflector control pattern signal is input to the ceiling reflector controller 41, each ceiling that has been set in advance is tabulated according to the pattern signal input from the storage section. The vertical position, horizontal state, or tilted state of each ceiling reflector 1 in the reflector group 2 is called, and the control information for each ceiling reflector 1 in each ceiling reflector group 2 is output from the ceiling reflector control console 41, and the ceiling The signal is input to the reflector drive control section 42. Then, the ceiling reflector drive control unit 42 determines the vertical position of each ceiling reflector 1- of each ceiling reflector group 2, the horizontal state or the inclined state, according to the address according to information stored in a storage unit such as a ROM. The motor 43 of each ceiling reflector 1 that winds up and unwinds the hanging strip 3 is driven, and each ceiling reflector 1 is set to an elevated position, a horizontal state, or an inclined state according to the tabulated pattern. .

Further, when the pattern signal from the ceiling reflector control console 41 is input to the lighting equipment control console 44, this lighting equipment control console 4
The position pattern output from 4 is input to the instrument control console 45,
This appliance control console 45 has patterns 11■,■,...
- The drive system 21 of the optical system unit 15 and the fixture main body are stored in advance in the form of a table in the storage unit so that the optical system unit 15 and the fixture main body 10 of each lighting fixture are set to the optimal illumination state according to X. Information for controlling the drive system 31 of the optical system unit 15 and the drive system 31 of the fixture body 10 is called up based on the table, and information for controlling the drive system 21 of the optical system unit 15 and the drive system 31 of the fixture body 10 is sent from the input/output interface to each ceiling reflector group 2. Each address is input to the drive control unit 47 of the lighting equipment provided on each ceiling reflector 1 via the two-wire transmission line 46 in accordance with the address order. For example, "address 1", "rotation angle (pan) of instrument body 10", "optical system unit 15"
"rotation angle (tilt)", "address 2", "rotation angle (pan) of instrument body 10", "rotation angle (tilt) of optical system unit 15", etc. are output in sequence, each drive control The address switch of the section 47 is turned on based on the corresponding address information based on the unique address, and the motor 24 of the drive system 21 of the optical system unit 15 and the instrument main body 1θ
The motor 932 of the drive system 31 is driven. As shown in FIG. 4, under the control of this drive control section 47, the motor 24 of the drive system 21 of the optical system unit 15 and the motor 32 of the drive system 31 of the instrument main body 10 are operated to control the instrument main body 10 and the optical system unit.
+5 is set to the optimum illumination state according to the vertical position, horizontal state or tilted state of each ceiling reflector 1.

Next, the setting operation of the illumination angle of the fixture will be explained.

Stepping motor 3 of drive system 31 of lighting fixture body 10
2, the instrument main body 10 with a 1.1 irradiation dose 11 formed on its lower surface is rotated about the axis of the vertical rotating shaft 30, and the irradiation direction in the panning direction is adjusted.

Further, the optical system unit 15 is rotated about the axis of the horizontal rotating shaft portion 19, 20 by driving the stepping motor 24 of the drive system 21 of the optical system unit 15, and the irradiation direction in the tilt direction is adjusted. Since the optical system unit 15 is rotated within the instrument body 10, compared to a configuration in which the instrument body 10 is rotated around a horizontal rotation axis, the ceiling reflector group 36 can be made smaller and the acoustic effect can be improved. It will not be damaged.

Also, a gap 37 between the outer periphery of the irradiation amount Li portion 11 of the instrument main body 10 and the inner periphery of the fitting hole 36 formed in the Otsuki reflector 1
becomes a ventilation gap due to the upper airflow, and the chimney effect suppresses the temperature rise of the lighting device.

Further, the instrument main body 10 includes a drive system 2 of an optical system unit disposed on one rotation shaft portion 19 side of the optical system unit 15.
1 and the component 26 disposed on the other rotating shaft portion 20 side, the weight balance is maintained, and the moment of inertia during rotation about the vertical axis of the instrument body 10 can be reduced.
Since the instrument main body 10 is stably rotated and the optical system unit 15 is rotatably supported by the rotation shafts 19 and 20 on both sides, rotation becomes smooth.

〔Effect of the invention〕

According to the invention described in claim 1, the instrument body having the irradiation opening formed on the lower surface can be rotated about the vertical rotation axis by driving the drive system of the instrument body, and the drive system of the optical system unit can rotate. The optical system unit can be rotated around the horizontal axis of rotation, and the irradiation direction can be adjusted to any direction as appropriate. It is possible to make the device fitting hole smaller, without impairing the acoustic effect.

According to the invention as set forth in claim 2, the optical system that rotates the optical system unit, such as the drive system of the instrument main body that rotates the instrument main body, and the optical system that rotates the optical system unit, according to the control operation of the control unit according to the vertical position and horizontal inclination state of the ceiling plate. The drive system of the unit is driven and controlled to a preset rotation angle, and the drive system of the device body is driven to rotate the device body, which forms part of the illuminator [1] on the bottom surface, around a vertical rotation axis. By driving the drive system of the optical system unit, the optical system unit is rotated around the horizontal rotation axis, and the irradiation direction is adjusted to a preset direction, and the optimal position of the ceiling board in the vertical or tilted position is adjusted. Provides lighting effects.

According to the invention set forth in claim 3, the gap between the outer periphery of the irradiation opening of the fixture body and the inner periphery of the fitting hole formed in the ceiling plate becomes a ventilation gap due to rising air current, and the temperature of the lighting device increases. can be suppressed.

According to the invention set forth in claim 4, the instrument main body includes a drive system of the optical system unit disposed on one rotation shaft side of the optical system unit and a component disposed on the other rotation shaft side. This maintains the weight balance, reduces the moment of inertia when the instrument body rotates around the vertical axis, allows the instrument body to rotate stably, and allows the optical system unit to rotate smoothly. .

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of a lighting device showing an embodiment of the present invention;
Figure 2 is an explanatory diagram of the ceiling reflector plate to which the above lighting device is attached;
FIG. 3 is a block diagram of the control section, FIG. 4 is an explanatory diagram showing the relationship between the ceiling reflector and the lighting equipment, and FIG. 5 is a pattern diagram of the ceiling reflector. 1. Ceiling reflector, 10. Instrument body, 11. Irradiation opening, 15. Optical system unit, 17. Lamp, 18.
・Reflector plate, 19.20-φ rotating shaft portion, 21・Drive system of optical system unit, 26・・Parts, 31・・Drive system of instrument main body, 36・・Fitting hole, 37・Gap, 44・Lighting equipment control console of the control unit, 45... appliance control console, 47... drive control unit. And nijijini

Claims (4)

[Claims] (1) A device body having an irradiation opening formed on the lower surface, and an optical system unit provided in the device body and including at least a lamp and a reflector facing the lamp and emitting light from the irradiation opening; The instrument body is rotatably supported around a vertical rotation axis, the optical system unit is rotatably supported by the instrument body around a horizontal rotation axis, and the instrument body is rotated. An illumination device comprising: a drive system for rotating the optical system unit; and a drive system for an optical system unit that rotates the optical system unit. (2) A ceiling plate that can be raised and lowered and supported horizontally or tilted at an arbitrary angle, and this ceiling plate is rotatably supported around a vertical axis of rotation and has an irradiation opening formed on its lower surface. an optical system unit that is rotatably supported by the instrument body around a horizontal axis of rotation and includes at least a lamp and a reflector facing the lamp and emits light from an irradiation opening of the instrument body; and a drive system of the instrument body that rotates the instrument body and a drive system of the optical system unit that rotates the optical system unit to rotation angles set in advance according to the vertical position and horizontal inclination state of the ceiling plate, respectively. A lighting device comprising: a control section for controlling the lighting device. (3) The inner diameter of the fitting hole formed in the ceiling plate into which the irradiation opening of the instrument body fits is made larger than the outer diameter of the irradiation opening of the instrument body, so that the outer periphery of the irradiation opening and the ceiling plate fit together. 3. The lighting device according to claim 1, wherein a gap is formed between the fitting hole and the matching hole. (4) The optical system unit has horizontal rotating shafts attached to both sides thereof rotatably supported by the instrument main body, and the optical system unit is rotatably supported by the instrument main body toward the one rotating shaft. 2. An electric motor for a drive system of the optical system unit is disposed, and a component for maintaining weight balance with the drive system of the optical system unit is disposed on the other rotating shaft side. or 3. The lighting device according to any one of 3.