WO2013161164A1 - 電球型光源装置及び透光性カバー - Google Patents
電球型光源装置及び透光性カバー Download PDFInfo
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- WO2013161164A1 WO2013161164A1 PCT/JP2013/001726 JP2013001726W WO2013161164A1 WO 2013161164 A1 WO2013161164 A1 WO 2013161164A1 JP 2013001726 W JP2013001726 W JP 2013001726W WO 2013161164 A1 WO2013161164 A1 WO 2013161164A1
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- Prior art keywords
- light source
- base
- speaker
- source device
- light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
- F21V33/0056—Audio equipment, e.g. music instruments, radios or speakers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/0055—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
- F21V23/0478—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person by means of an image recording device, e.g. a camera
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/86—Ceramics or glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/061—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/30—Lighting for domestic or personal use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/028—Structural combinations of loudspeakers with built-in power amplifiers, e.g. in the same acoustic enclosure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
Definitions
- This technology relates to a light bulb-type light source device and a translucent cover used for the light source device.
- Patent Literature 1 describes a lighting device including a speaker.
- This lighting device includes a cylindrical housing, a speaker provided in the center of the front surface of the housing, and a plurality of LED (Light Emitting Diode) elements arranged around the speaker on the front surface of the housing. And.
- Various circuit boards having LED and speaker drive circuits are accommodated in the housing.
- the speaker converts an electric signal input to the drive circuit into a sound wave by the vibration of the diaphragm, and radiates the sound wave to the outside, thereby outputting, for example, a sound. (See, for example, paragraphs [0011], [0014] to [0017] of FIG. 1 and FIG. 1).
- Patent Document 2 discloses an LED bulb that covers an LED (Light Emitting Diode) with an incandescent bulb-shaped globe and emits radiated light from the LED to the outside.
- an LED module on which an LED is mounted and a globe that covers the LED module are attached to a heat radiating portion, and a ring-shaped reflecting plate is provided at a joint portion between the heat radiating portion and the globe.
- the backward light of the light diffused by the globe is reflected to the globe side, and the loss of light that is not emitted to the outside of the LED bulb is reduced (for example, paragraphs [0061] to [0063] of the specification) And FIG. 8).
- the device When the device functions as a speaker as in the lighting device of Patent Document 1, it is required to suppress the occurrence of so-called chattering noise, which is noise accompanying the output of the speaker.
- chattering noise which is noise accompanying the output of the speaker.
- this lighting device when there is a gap between adjacent members, if vibrations of a speaker are transmitted to these members, a chatter sound due to rattling may be generated and the sound quality of the speaker may be deteriorated. .
- light from the light source may be efficiently used for irradiation outside the device due to light reflection or the like.
- the way the light is extracted from the light source also affects the appearance of the device. Therefore, it is required to enhance the aesthetic appearance of the light bulb type light source device.
- an object of the present technology is to provide a light bulb type light source device capable of suppressing the rattling that causes noise and improving the sound quality of a speaker.
- Another object of the present technology is to provide a light bulb-type light source device capable of improving the aesthetic appearance.
- a light bulb-type light source device includes a speaker, a light source unit, a support unit, a housing, and a base.
- the support unit supports the speaker.
- the support unit has a base.
- the base includes a tapered surface and a support surface that supports the light source unit.
- the housing has an abutting surface with which the tapered surface of the base abuts. The base is used to supply power to the light source unit and the speaker.
- the support unit, the speaker, and the base may be disposed so that the base is disposed between the speaker and the base.
- the support unit may further include a holding unit that holds the speaker. In that case, the holding portion holds the speaker such that the support surface of the base portion faces the side where the speaker is disposed.
- the base portion is disposed around the holding portion.
- the holding unit of the support unit can stably support the speaker without disturbing the arrangement of the light source unit.
- the tapered surface of the base portion may be a surface formed so as to approach the center of the base portion as the distance from the support surface increases.
- the holding part is located at the center of the base part.
- the taper surface is supported by the contact surface of the housing from the base side, whereby the position of the base portion can be stabilized and rattling can be suppressed.
- the housing may include a base housing having a tapered surface that contacts the tapered surface of the base as the contact surface. Since the taper surfaces come into contact with each other, the gap between the base and the base housing can be reduced, so that the generation of noise can be suppressed.
- the support unit may include a heat sink that forms at least a part of the base.
- the housing includes a base housing having the contact surface that is thermally connected to the heat sink. Even if the heat sink and the base casing are separate members, rattling between the members can be suppressed by supporting the taper surface of the base portion having the heat sink from the contact side of the base casing.
- the tapered surface of the base portion may be a surface formed so as to be separated from the center of the base portion where the holding portion is positioned as the distance from the support surface is increased.
- the tapered surface can stably support a member as a speaker-side casing.
- the housing may include a translucent cover having, as the contact surface, a tapered surface that contacts the tapered surface of the base. Since the gap between the base portion and the translucent cover can be reduced by the contact between the tapered surfaces, the generation of noise can be suppressed.
- the translucent cover may have a first opening and a second opening.
- the first opening includes the tapered surface as the contact surface.
- the second opening is provided so as to be closed by the speaker.
- the translucent cover is provided so as to stabilize the position on the base by bringing the tapered surface of the first opening into contact with the tapered surface of the base. This translucent cover is assembled so as to reduce backlash by being pressed from the second opening side by the speaker supported by the support unit.
- the bulb-type light source device may further include a packing provided between the speaker and the translucent cover.
- a gap between the speaker and the light-transmitting cover can be reduced by interposing the packing in a structure that closes the opening on the speaker side of the light-transmitting cover.
- the effect of making the space surrounded by the translucent cover more airtight is obtained. Therefore, the space surrounded by the translucent cover can be provided with a function as a speaker box, and the sound quality of the speaker can be improved.
- the taper surface of the support unit may have a taper angle of 30 degrees to 60 degrees.
- the light source unit may include an LED (Light Emitting Diode) or an EL (Electro Luminescence) element as a light source element.
- LED Light Emitting Diode
- EL Electro Luminescence
- the light bulb-type light source device includes a speaker, a light source unit, a support unit, a housing, and a base.
- the support unit supports the light source unit and the speaker.
- the housing houses the light source unit and the support unit.
- the housing includes a base housing and a translucent cover.
- the base casing includes a tapered surface.
- the translucent cover includes an abutting surface with which the tapered surface abuts.
- the base is used to supply power to the light source unit and the speaker.
- the surface of the base casing that contacts the translucent cover is tapered, even if the vibration of the speaker is transmitted to the casing formed by combining the base casing and the translucent cover, the noise It can reduce wobbling.
- the support unit may have a holding part and a base part.
- the holding unit holds the speaker.
- the base portion is disposed around the holding portion.
- the base supports the light source unit.
- the support unit, the speaker, and the base are disposed so that the base is disposed between the speaker and the base.
- the base casing may have an open end surface.
- the base is disposed on the opening end face.
- the tapered surface is disposed around the opening end surface.
- the tapered surface is a surface formed so as to approach the base side along the direction in which the speaker, the base portion, and the base are arranged as it is away from the opening end surface.
- the translucent cover may have a tapered surface that contacts the tapered surface of the base casing as the contact surface. Since the housing can be formed without forming a gap by the contact between the tapered surfaces, the generation of noise can be suppressed.
- a light bulb-type light source device includes a speaker, a light source unit, a translucent cover, a support unit, and a base.
- the translucent cover has a first opening, a light incident end face that forms the first opening, a second opening, and an emission end face that forms the second opening and emits light. Then, the light from the incident end face is guided to the exit end face.
- the support unit includes a facing surface that is disposed to face the incident end surface, and a holding unit that holds the speaker so that the speaker is disposed in the second opening. Supports the light source unit.
- the base is used to supply power to the light source unit and the speaker.
- the support unit Since the support unit has a facing surface that faces the incident end surface that forms the first opening of the translucent cover, the light emitted from the facing surface enters the incident end surface and is guided through the translucent cover. Then, the light is emitted from the emission end face that forms the second opening. That is, since the speaker is disposed in the second opening, it appears that light from the facing surface is emitted from the periphery of the speaker, and the appearance aesthetics are improved.
- the support unit may include a heat sink including the facing surface and a support surface that supports the light source unit.
- the light bulb-type light source device can exhibit a heat dissipation function, and can support the translucent cover using the heat sink.
- the tapered surface may be a tapered surface formed on the heat sink.
- the heat sink may be provided in a ring shape around the holding portion. Thereby, the heat sink can support the ring-shaped light source unit.
- the support unit may have a base casing including the facing surface. Thereby, the bulb-type light source device can support the translucent cover using the base casing.
- the opposed surface may be a tapered surface formed on the base casing.
- the support unit may include a heat sink provided in a ring shape around the holding portion to support the light source unit.
- the base casing may have an opening in which the heat sink is disposed. Thereby, the base housing can support the heat sink.
- the base casing may have a tapered contact surface that forms the end face of the opening together with the facing surface and that contacts the heat sink. Accordingly, the support unit can stably support the heat sink using the base casing. In addition, since the heat sink contacts the tapered contact surface, the gap between the heat sink and the base housing can be reduced, and noise (chattering noise) due to speaker vibration can be prevented. .
- the incident end surface of the translucent cover or the facing surface of the support unit may include a colored region that is colored so as to reflect colored light.
- the translucent cover can emit colored light in the colored region from the emission end face, so that the region around the speaker appears to be colored, which contributes to improvement in aesthetics.
- Other light bulb type light source devices may include a sensor instead of the speaker described above.
- the translucent cover according to the present technology includes an incident end face and an exit end face.
- the incident end surface is a surface on which light is incident, on which a facing surface that forms a first opening and can be disposed on a support unit that supports the speaker and the light source unit.
- the emission end surface is a surface that forms a second opening in which a speaker supported by the support unit can be disposed and emits light.
- the translucent cover covers the light source unit supported by the support unit and guides the light incident on the incident end surface to the emission end surface.
- the support unit Since the support unit has a facing surface that faces the incident end surface that forms the first opening of the translucent cover, the light emitted from the facing surface enters the incident end surface and is guided through the translucent cover. Then, the light is emitted from the emission end face that forms the second opening. That is, since the sensor is disposed in the second opening, it looks as if light from the opposing surface is emitted from the periphery of the sensor, and the aesthetic appearance is improved.
- the present technology it is possible to provide a light bulb type light source device capable of suppressing the rattling that causes noise and improving the sound quality of the speaker. Further, according to the present technology, it is possible to improve the aesthetic appearance of the bulb-type light source device.
- FIG. 1 is a perspective view illustrating a light bulb-type light source device according to an embodiment of the present technology.
- FIG. 2 is a schematic cross-sectional view of the bulb-type light source device shown in FIG.
- FIG. 3 is a cross-sectional view illustrating a speaker according to an embodiment.
- FIG. 4 is a perspective view showing a heat sink in the base portion of the support unit.
- FIG. 5 is a perspective view showing a base casing provided with the heat sink.
- FIG. 6 is a perspective view showing a holding member in the support unit.
- FIG. 7 is a perspective view of the substrate housing box of the support unit as viewed from below.
- FIG. 8 is a diagram showing the positional relationship between the power supply substrate and other substrates (drive substrate and control substrate).
- FIG. 8 is a diagram showing the positional relationship between the power supply substrate and other substrates (drive substrate and control substrate).
- FIG. 9 is a block diagram showing an electrical configuration of the light source device.
- FIG. 10 is a schematic cross-sectional view showing a light bulb-type light source device according to another embodiment of the present technology.
- FIG. 11 is a schematic cross-sectional view showing a light bulb-type light source device according to still another embodiment of the present technology.
- FIG. 12 is a schematic cross-sectional view showing a modification of the light bulb type light source device.
- FIG. 13 is a perspective view showing a light bulb-type light source device according to a fourth embodiment of the present technology.
- FIG. 16 is a perspective view showing a translucent cover.
- FIG. 10 is a schematic cross-sectional view showing a light bulb-type light source device according to another embodiment of the present technology.
- FIG. 11 is a schematic cross-sectional view showing
- FIG. 17 is a perspective view showing a heat sink in the support unit.
- FIG. 18 is a diagram illustrating a part of each of the heat sink and the translucent cover.
- FIG. 19 is a cross-sectional view showing a light bulb type light source device according to a fifth embodiment of the present technology.
- FIG. 1 is a perspective view illustrating a light bulb-type light source device according to an embodiment of the present technology.
- FIG. 2 is a schematic cross-sectional view of the light bulb type light source device 100 shown in FIG.
- the light bulb type light source device is simply referred to as a light source device.
- the light source device 100 includes a housing 10, a light source unit 40 disposed in the housing 10, a speaker 30 provided at one end of the housing 10, and an insulating ring 16 that is an electrical insulator. And a base 15 connected to the other end of the housing 10 (the side opposite to the position of the speaker 30).
- the housing 10 includes, for example, a base housing 12 and a translucent cover 11 provided on the front side of the base housing 12.
- the translucent cover 11 has a second opening 11 b provided at an end on the front side, and a first opening 11 a located on the opposite side along the z-axis direction. And are formed.
- the speaker 30 is provided so that the speaker 30 closes the second opening 11b.
- a base casing 12 is provided on the first opening 11 a side of the translucent cover 11.
- the translucent cover 11 is made of, for example, glass, acrylic, or polycarbonate.
- the light source device 100 includes a support unit 20 that supports the speaker 30.
- the support unit 20 includes a cylindrical holding portion 211 that holds the speaker 30, and includes a base portion 29 that is disposed around the holding portion 211.
- the light source unit 40 is supported by the base 29 of the support unit 20.
- the support unit 20 integrally supports the light source unit 40, the speaker 30, and the base 15 so that the speaker 30 and the light source unit 40 are spaced apart and the light source unit 40 is disposed between the speaker 30 and the base 15. To do. Accordingly, the support unit 20, the speaker 30, and the base 15 are disposed so that the base 29 is disposed between the speaker 30 and the base 15.
- the support unit 20 includes a heat sink 23, a holding member 21 that is fixed to the heat sink 23 and holds the speaker 30, and a substrate that is disposed so as to face the holding member 21. Box 22.
- the holding member 21 is a member including the holding portion 211 in the support unit 20.
- the heat sink 23 is a member that forms at least a part of the base 29.
- the heat sink 23 of the support unit 20 functions as a chassis of the light source device 100.
- the heat sink 23 is arranged around a central axis C (see FIG. 2) that is an axis passing through the center of the speaker 30 along the vibration direction (z-axis direction) of the diaphragm 35 (see FIG. 3) included in the speaker 30.
- the term "around the axis" includes the concept of both the entire circumference of the axis or a part thereof.
- the heat sink 23 has a plate shape and is formed in the entire circumference of the central axis C, that is, in a ring shape.
- the light source unit 40 is arranged around the central axis C similarly to the heat sink 23, typically provided in a ring shape, and arranged on the heat sink 23.
- the light source unit 40 includes a ring-shaped mounting substrate 46 and a plurality of LED (Light Emitting Diode) elements 45 arranged in a ring shape on the mounting substrate 46.
- LED element 45 an element that generates white light is used, but an element that generates light of a single color or a plurality of colors other than white may be used.
- the mounting board 46 may be screwed to the heat sink 23 using, for example, screws (not shown), and thereby the light source unit 40 may be integrally supported by the support unit 20.
- the heat sink 23 is mainly formed of aluminum, for example, but other metal materials such as copper may be used as long as the material has a relatively high thermal conductivity.
- the base 15 is configured to be attachable to a general incandescent light bulb socket.
- the base 15 is a member that supplies power to a circuit board on which various circuits are mounted, the light source unit 40, and the speaker 30 via a power supply circuit 55 described later.
- the length of the light source device 100 in the z-axis direction is 100 to 120 mm, typically about 110 mm.
- the diameter of the light source device 100 viewed in the z-axis direction is 50 to 70 mm, typically about 60 mm.
- FIG. 3 is a cross-sectional view illustrating the speaker 30 according to an embodiment.
- the speaker 30 is a dynamic damperless speaker.
- the speaker 30 includes a frame 31, a permanent magnet 32, a plate 33, a yoke 34, a diaphragm 35, an edge 36, a coil bobbin 37, a magnetic fluid 38, and a mounting bottom 39.
- a magnetic fluid 38 is disposed in place of the conventional damper.
- a voice coil (not shown) is disposed in the magnetic gap.
- a screw hole 39 a is formed in the attachment bottom 39. As will be described later, the speaker 30 is attached to the holding member 21 of the support unit 20 with the screw S3 (see FIG. 2) through the screw hole 39a.
- the speaker 30 and the light source unit 40 are spaced apart from each other, so that the speaker 30 is not easily affected by the heat of the light source unit 40. Therefore, as the permanent magnet 32 used for the speaker 30, a permanent magnet having a relatively low heat resistance, that is, a relatively low demagnetizing temperature can be used.
- a permanent magnet having a demagnetization temperature of 60 ° C. to 100 ° C. can be used.
- An example of a permanent magnet having a demagnetization temperature of 100 ° C. or lower is neodymium.
- neodymium demagnetization temperature is about 80 ° C., which is lower than that of ferrite.
- the size of the ferrite core magnet must be increased in order to obtain a magnetic force equivalent to that of the neodymium magnet. Not suitable for miniaturization. Although it is conceivable to reduce the heat generation amount of the light source unit 40 so that the permanent magnet is not demagnetized, this means that the input power to the light source device 100 is suppressed, and this reduces the amount of light flux.
- At least a part of the frame 31 of the speaker 30 and at least a part of the edge 36 may be formed of a translucent material.
- the translucent material known materials such as acrylic, polyvinyl, and polyimide resin materials are used. Thereby, since the light emitted from the light source unit 40 passes through a part of the speaker 30, the light distribution characteristic near the center of the light source device 100 can be improved.
- FIG. 4 is a perspective view showing the heat sink 23 in the base portion 29 of the support unit 20.
- the base 29 of the support unit 20 includes a tapered surface 231 and a support surface 232 that supports the light source unit 40.
- the heat sink 23 typically has the tapered surface 231 and the support surface 232.
- the support surface 232 of the heat sink 23 is directed to the side where the speaker 30 is disposed.
- the tapered surface 231 is a surface formed so as to approach the center of the base portion 29 as the distance from the support surface 232 increases.
- the “center of the base portion 29” is a position of the holding portion 211 surrounded by the base portion 29, and is typically a position through which the central axis C (see FIG. 2) passes.
- the tapered surface 231 is provided on the opposite side of the heat sink 23 from the support surface 232, and is inclined so as to reduce the diameter of the outer periphery of the heat sink 23 toward the base 15 side (rear side). .
- the taper angle of the taper surface 231 with respect to the xy plane is, for example, not less than 30 degrees and not more than 60 degrees.
- FIG. 5 is a perspective view showing the base casing 12 in which the heat sink 23 is provided.
- the base housing 12 is opened so as to expand toward one end side (front side) (in a mortar shape), and has a tapered contact surface 12 a at the opening end.
- the taper surface 231 of the heat sink 23 contacts the contact surface 12a.
- a tapered surface along the tapered surface 231 is formed as the contact surface 12 a on the inner peripheral side of the opening end of the base housing 12.
- the support unit 20 is placed on the opening end of the front side of the base housing 12 so that the tapered surface 231 is fitted to the contact surface 12a.
- FIG. 6 is a perspective view showing the holding member 21 in the support unit 20.
- the holding member 21 includes a holding portion 211 to which the speaker 30 is attached, and a flange portion 212 provided at an end portion on the rear side of the holding portion 211.
- the holding member 21 is disposed in the housing 10 so that the holding portion 211 passes through the central hole of the heat sink 23 and the light source unit 40 and the longitudinal direction of the holding portion 211 is along the z-axis direction. ing.
- a screw hole 215 is provided in the front end face of the holding portion 211, and a screw S3 (see FIG. 2) is screwed into the screw hole 215 and the screw hole 39a formed in the speaker 30. Thereby, the speaker 30 is held by the holding member 21.
- the means for attaching the speaker 30 to the holding member 21 is not limited to screwing, but may be adhesion by an adhesive or engagement by an uneven member.
- the holding member 21 is attached to the heat sink 23 with screws S1. Specifically, a mounting portion 213 for screwing is formed on the flange portion 212 of the holding member 21 so as to protrude rearward.
- the heat sink 23 is placed on the flange portion 212, and the holding member 21 is attached to the heat sink 23 via the attachment portion 213 from the back side (rear side) of the heat sink 23.
- the heat sink 23 mainly forms the base portion 29 of the support unit 20.
- the base portion 29 of the support unit 20 also includes a flange portion 212 of the holding member 21.
- the support unit 20 holds the speaker 30 by the holding portion 211 of the holding member 21 so that the support surface 232 of the base portion 29 faces the speaker 30 side.
- the support unit 20 configured in this manner can stably support the speaker 30 without hindering the arrangement of the light source unit 40 provided on the support surface 232 of the base portion 29.
- the light source unit 40 is arranged to be separated from the speaker 30 on the rear side, and therefore, the thermal influence from the light source unit 40 on the speaker 30. Can be suppressed. Thereby, the function of the speaker 30 can be maintained favorably. For example, when the thermal effect on the speaker 30 is large, there is a concern that the permanent magnet 32 provided in the speaker 30 may be demagnetized, but the light source device 100 according to the present embodiment eliminates such a concern. be able to.
- the speaker 30 is arranged on the light emission side of the light source unit 40, that is, a position where the emitted light is blocked, the light distribution angle is increased by providing the light source unit 40 in a ring shape. Further, the light source unit 40 can emit light with a uniform amount of light with respect to the central axis C.
- the holding portion 211 of the holding member 21 that holds the speaker 30 is disposed at the center of the base portion 29 that supports the light source unit 40. Therefore, the arrangement space of the holding member 21 and the light source unit 40 in the light bulb type light source device 100 can be reduced, that is, the arrangement density of these members can be increased, so that a desired light distribution angle is secured. In addition, the light source device 100 can be reduced in size.
- the holding part 211 of the holding member 21 may be provided with a reflection part that reflects light emitted from the light source unit 40.
- the reflection portion is, for example, a mirror surface or a portion made of a color material having a high light reflectance.
- the color having a high reflectance is, for example, white, milky white, or a color close to these.
- the holding member 21 itself may be formed of a white or milky white resin material.
- the resin material ABS (acrylonitrile butadiene styrene), PBT (polybutylene terephthalate), or the like is used, but other materials may be used.
- the reflection part may be provided as a separate member from the holding part 211 of the holding member 21.
- the reflecting portion when the reflecting portion is formed of a material made of white or milky white, the reflecting portion can diffusely reflect (scatter) light. Alternatively, even if the reflecting portion is a blasted reflecting surface, the reflecting surface can diffusely reflect light.
- the provision of the reflective portion can increase the light distribution angle of the light emitted from the light source unit 40, can effectively use the light from the light source unit 40, and can increase the illuminance. it can.
- FIG. 7 is a perspective view of the substrate housing box 22 of the support unit 20 as viewed from below.
- the substrate storage box 22 includes a main body 221, a contact plate 222 provided so as to protrude from the main body 221 in a direction perpendicular to the z-axis, and a protrusion provided so as to protrude from the main body 221 along the z-axis direction. Part 223.
- a plurality of contact plates 222 having different shapes are provided, but only one contact plate 222 may be provided.
- connection hole 224 to which a connector for conduction (not shown) is connected.
- a plurality of connection holes 224 may be provided.
- the main body 221 is provided so as to stand up along the z-axis direction, and the holding member 21 and the contact plate 222 are in contact with the flange portion 212 of the holding member 21.
- the substrate housing box 22 is disposed in the housing 10 so as to face each other.
- the circuit board is arranged in a region formed in the holding member 21 and the substrate storage box 22 arranged in this way, that is, a region in the holding unit 211 and the main body 221.
- a plurality of, for example, two such circuit boards are provided (drive board 61 and control board 62).
- the drive substrate 61 is provided as a common substrate on which an LED drive circuit 614 and an audio AMP (Amplifier) 613 (see FIG. 9) described later are mounted.
- the protruding portion 223 is disposed inside the base 15 so as to be inserted into the open end 12 b on the rear side of the base housing 12.
- the projecting portion 223 is formed in a cylindrical shape, and a lead wire (not shown) that connects a terminal at the top of the base 15 and a power supply substrate 50 described later passes through the projecting portion 223. .
- the substrate storage box 22 is formed of a non-conductive material, for example, mainly an ABS resin material, like the holding member 21. As described above, the holding member 21 and the substrate housing box 22 are made of materials suitable as electrical insulating materials and flame retardant materials.
- a plurality of openings 214 are formed in the holding portion 211 of the holding member 21.
- the area outside the holding part 211 of the holding member 21 communicates with the area in the holding part 211 and the substrate storage box 22 through the opening 214.
- the area outside the holding part 211 but also the area inside the holding part 211 and the substrate housing box 22 can be used as the enclosure of the speaker 30 in the housing 10.
- the volume of the enclosure is increased and the sound quality of the speaker 30 is improved.
- only one opening 214 may be formed in the holding portion 211.
- the base casing 12 is made of a material having relatively high thermal conductivity, for example, mainly aluminum.
- the material of the base housing 12 other metal materials such as copper may be used as long as they have a relatively high thermal conductivity.
- the material of the base housing 12 may be a high heat dissipation resin or ceramic.
- the heat sink 23 and the base housing 12 are thermally connected to each other. As shown in FIG. 2, for example, the contact surface 12a provided on the base housing 12 and the taper surface 231 of the heat sink 23 contact each other directly or via a heat conductive sheet or the like. The heat conduction in is performed. Thereby, the heat generated from the light source unit 40 is efficiently released to the outside through the heat sink 23 and the base casing 12.
- the main materials of the heat sink 23 and the base housing 12 may be different from each other.
- the vibration of the speaker 30 is transmitted to the support unit 20 and the base housing 12 configured as separate members.
- chattering noise due to rattling occurs. Is mentioned.
- the tapered surface 231 on the base 15 side is provided as a surface that contacts the base housing 12 of the support unit 20 connected to the speaker 30, and the tapered surface 231 is provided from the base 15 side.
- the contact surface 12a of the base housing 12 is also tapered to contact the tapered surface 231, the taper surface 231 is fitted along the contact surface 12a, and the support unit 20 is placed with a stable structure. can do.
- the tapered surfaces are in contact with each other, the gap between the support unit 20 and the base housing 12 can be reduced. Therefore, even if vibration of the speaker 30 is transmitted, generation of noise can be suppressed. it can. That is, the support unit 20 and the base housing 12 function as a mechanical ground that suppresses the influence of vibration of the speaker 30.
- the heat sink 23 presses the contact surface 12a of the base casing 12 positioned around the heat sink 23 in the vertical direction (in the direction of the base 15) due to the inclination of the tapered surface 231. 12 on the abutting surface 12a. Therefore, the heat sink 23 having the tapered surface 231 can stabilize the positional relationship between the support unit 20 and the base casing 12 not only in the horizontal direction but also in the vertical direction. Further, by bringing the tapered surfaces into contact with each other, the heat sink 23 can be placed so as to be pressed against the base housing 12 and brought into close contact therewith. Therefore, even if the base housing 12 is formed to be thin, the taper surface 231 can reliably suppress the rattling and suppress the generation of noise when vibration is transmitted.
- the heat sink 23 can be fitted to the base casing 12 along the tapered surface 231.
- the positions of the outer peripheral surface of the heat sink 23 and the inner peripheral surface of the base casing 12 are determined. It is not necessary to match with high accuracy, and assembly is easy.
- the tapered surface 231 of the heat sink 23 can be provided so as to drop along the mortar-shaped and tapered surface of the base casing 12, the heat sink 23 and the base casing can be provided without strict dimensional accuracy. 12 can be brought into close contact with each other to ensure heat transfer.
- the taper surface 231 has a taper angle of, for example, 30 degrees or more and 60 degrees or less
- the taper surface 231 is supported by the contact surface 12a of the base housing 12 from the horizontal direction and the vertical direction. The position can be closely adhered and rattling can be suppressed.
- the translucent cover 11 is formed on the base so that the opening end provided with the contact surface 12 a of the base housing 12 and the first opening 11 a of the translucent cover 11 face each other. It is arranged with respect to the housing 12.
- the support unit 20 supports the speaker 30 so as to press the translucent cover 11 against the heat sink 23 by the speaker 30, and sandwiches the translucent cover 11 between the speaker 30 and itself (support unit 20).
- the speaker 30 supported by the support unit 20 plays a role of holding the translucent cover 11 between the heat sink 23 and pressing the translucent cover 11 against the heat sink 23 to support it. Therefore, it is not necessary to directly fix the translucent cover 11 to the heat sink 23 and the speaker 30. For this reason, even if the translucent cover 11 having a thermal expansion coefficient different from the thermal expansion coefficients of the heat sink 23 and the speaker 30 (the frame 31) is thermally expanded due to the temperature change of the light source unit 40, the heat sink 23 and the speaker It is possible to allow deformation due to thermal expansion in each of the openings 11a and 11b respectively facing 30 and to release thermal expansion stress. Therefore, a situation in which mechanical stress is generated in the translucent cover 11 and the translucent cover 11 is deteriorated can be suppressed.
- a power supply board 50 on which a power supply circuit 55 is mounted is accommodated in the base casing 12.
- the power supply board 50 is attached to the holding member 21 with screws S2.
- the power supply substrate 50 is also attached to the heat sink 23 by the above-described screw S ⁇ b> 1 connecting the holding member 21 and the heat sink 23.
- each circuit board is arranged as follows.
- FIG. 8 is a diagram showing the positional relationship between the power supply board 50 and other boards (the above-described drive board 61 and control board 62).
- the power supply board 50 has a gap area 50a, and a part of each of the drive board 61 and the control board 62 is disposed in the gap area 50a.
- the void region 50a is formed by a through hole, that is, the power supply substrate 50 is formed in a ring shape.
- the main body 221 of the substrate housing box 22 is inserted into the gap region 50a.
- the drive board 61 and the control board 62 arranged in the board housing box 22 and the holding member 21 are arranged so as to intersect the power board 50 vertically through the through holes of the power board 50. Is done.
- the drive board 61 and the control board 62 are arranged so as to be inserted into the through holes of the power supply board 50, it is possible to efficiently arrange components in a small accommodation space in the housing 10.
- the light source device 100 can be downsized.
- each of the substrates arranged in this way approximates to a shape in which two substantially triangular shapes are arranged opposite to each other along the z-axis direction.
- This shape approximates the external shape of the housing 10 including the base housing 12 and the translucent cover 11 when the light source device 100 is viewed from the side. That is, with the arrangement of the substrates 50, 61, and 62, the density of components in the housing 10 can be increased, and the light source device 100 can be downsized.
- the substrates 50, 61 and 62 can be arranged in the housing 10 with high density, the volume of the speaker 30 as an enclosure can be sufficiently secured. Therefore, the sound quality of the speaker 30 can be improved.
- a receiving unit (or light receiving unit) 628, an antenna 626, and a network control circuit 627 are mounted on the control board 62.
- the receiving unit 628 receives an infrared signal transmitted from a remote controller (not shown) that can be used by the user.
- the position of the control board 62 is such that the receiving unit 628 is located in the housing 10 at a position where the infrared signal can be received, that is, in an area in the translucent cover 11 (an area in front of the light source unit 40). And the posture is set.
- the receiving unit 628 is mounted on the front end of the control board 62.
- a remote controller (not shown) is a device that generates signals such as lighting, extinguishing, dimming, and toning of the light source unit 40, for example.
- the antenna 626 is typically an antenna for short-range wireless communication such as Bluetooth.
- the network control circuit 627 is configured to correspond to the communication standard.
- the position of the drive substrate 61 is such that the antenna 626 is positioned in the housing 10 at a position where the radio signal can be received, that is, in an area within the translucent cover 11 (an area in front of the light source unit 40).
- the posture is set.
- an AV (Audio Video) device that is a target device operated by the user transmits a wireless signal, and the antenna 626 receives the wireless signal.
- the signal transmitted by the AV device is, for example, a signal for sound volume from the speaker 30, playback and stop thereof.
- the AV device may be a portable device.
- the antenna 626 and the network control circuit 627 may correspond to a communication standard for configuring WiFi (Wireless Fidelity), ZigBee, or a wireless LAN (Local Area Network) in addition to Bluetooth.
- WiFi Wireless Fidelity
- ZigBee ZigBee
- a wireless LAN Local Area Network
- the power supply substrate 50 has a first surface 51 facing the base 15 side and a second surface 52 facing the light source unit 40 side.
- the power supply circuit 55 mounted on the power supply board 50 includes a transformer 56T (see FIG. 2) including a primary side coil and a secondary side coil, and primary side electrons electrically connected to the primary side coil. And a component 56.
- the transformer 56 ⁇ / b> T and the primary side electronic component 56 are mounted on the first surface 51 of the power supply substrate 50.
- the transformer 56T and the primary-side electronic component 56 having a relatively large size are arranged on the base 15 side of the power supply substrate 50, so that the power source is placed in the space on the front side from the second surface 52 side.
- Parts different from the circuit 55 for example, a part of the light source unit 40 and the support unit 20 can be arranged.
- casing 10 or base housing
- FIG. 9 is a block diagram showing an electrical configuration of the light source device 100.
- the light source device 100 includes a filter 53, a rectifying / smoothing circuit 54, an isolated DC / DC converter 57, an LED driving circuit 614, an audio AMP 613, a network control circuit 627, and an antenna 626.
- the commercial power supply 150 supplies power to the power supply circuit 55 via the base 15 of the light source device 100.
- the filter 53, the rectifying / smoothing circuit 54, and the insulated DC / DC converter 57 are the power supply circuit 55, and are mounted on the power supply substrate 50 as described above.
- the insulated DC / DC converter 57 includes the transformer 56T described above.
- An insulated DC / DC converter 57 is used for the power supply circuit 55, and the primary side circuit and the secondary side circuit are electrically insulated.
- the LED drive circuit 614 and the audio AMP 613 are mounted on the drive board 61 as described above.
- the LED drive circuit 614 controls the light source unit 40 to be turned on / off, dimmed, and toned.
- the audio AMP 613 is a driving circuit for the speaker 30 and controls the sound volume, reproduction, and stop of the sound by the speaker 30.
- the network control circuit 627 and the antenna 626 are part of the control circuit 625 and are mounted on the control board 62.
- the network control circuit 627 outputs the content information of the received signal to the LED driving circuit 614 and the audio AMP 613 based on the signal received via the receiving unit 628 and the antenna 626.
- a secondary-side ground connection pattern 59 is formed on the first surface 51 of the power supply substrate 50.
- the ground connection pattern 59 is electrically connected to the heat sink 23 and the base housing 12 via the screw S1. That is, the heat sink 23 and the base housing 12 serve as an electrical ground for the power supply circuit 55.
- an insulating power supply circuit is used, and the secondary circuit is grounded. Therefore, EMI (Electro Magnetic Interference) or the like is not generated, proper EMS (Electro Magnetic Magnetic Susceptibility) can be obtained, and EMC (Electro Magnetic Magnetic Compatibility) conditions can be satisfied. That is, according to the present technology, leakage of high-frequency noise from the drive substrate 61 and the like can be suppressed, and leakage of radiation (radiation) noise from the speaker 30 can also be suppressed. Of course, the entry of external noise into the base housing 12 can also be suppressed.
- the light source device 100 can be applied to a so-called smart house by applying the above EMC countermeasures to the light source device 100.
- FIG. 10 is a schematic cross-sectional view of a light source device 200 according to another embodiment of the present technology.
- the light source device 200 has a translucent cover 110 as a housing on the speaker 30 side of the housing 10, and a heat sink 230 that mainly forms the base portion 29 of the support unit 20.
- the heat sink 230 of the light source device 200 has a tapered surface 231 (first tapered surface) as a tapered surface that contacts the contact surface 12 a of the base housing 12.
- the heat sink 230 further has a tapered surface 233 (second tapered surface) formed so as to be separated from the center of the base portion 29 as the distance from the support surface 232 is increased.
- the tapered surface 233 is typically provided around the support surface 232 on the side of the heat sink 230 facing the speaker 30, and has a shape that is inclined so as to reduce the outer diameter toward the position of the speaker 30.
- the tapered surface 233 has a taper angle of, for example, 30 degrees or more and 60 degrees or less. With the tapered surface 233, the support unit 20 can stably support the translucent cover 110.
- the translucent cover 110 has a first opening portion 11 c including a tapered contact surface 111 that contacts the tapered surface 233 of the heat sink 230.
- the translucent cover 110 can be disposed on the base 29 so that the contact surface 111 of the first opening 11 c is aligned with the tapered surface 233 of the support unit 20. Further, since the gap between the base portion 29 and the translucent cover 110 can be reduced by contacting the tapered surfaces, generation of noise can be suppressed even when vibration from the speaker 30 is transmitted. it can.
- the translucent cover 110 of the light source device 200 has a second opening 11b provided so as to be closed by the speaker 30, and the second opening 11b is formed in the speaker 30 supported by the support unit 20. It is pressed from the side toward the base 29 side. Since the position of the translucent cover 110 on the taper surface 233 of the base portion 29 is stable, the structure of supporting the translucent cover 110 between the base portion 29 and the speaker 30 is easily assembled, and the rattling is facilitated. There is also less time.
- the contact surface with which the tapered surface contacts the base housing 12 of the housing 10 is formed.
- the housing A contact surface may be formed on the translucent cover 110 among the ten.
- the taper surface 233 of the base 29 and the housing 10 can be used even in the structure in which the taper surface 231 of the base 29 and the contact surface 12a of the housing 10 (base housing 12) are brought into contact with each other. 110), the effect of reducing noise caused by vibration of the speaker 30 can be obtained.
- FIG. 11 is a schematic cross-sectional view showing a light source device 300 according to still another embodiment of the present technology.
- the housing 10 of the light source device 300 is provided so as to face the translucent cover 110 similar to the light source device 200 and the first opening 1 c of the translucent cover 110.
- the base housing 120 has an open end surface on which the base portion 29 is disposed.
- the opening end surface of the base casing 120 includes, for example, a contact surface 12a with which the heat sink 23 contacts.
- the taper surface 12c is a surface that is disposed around the opening end surface (abutment surface 12a) of the base housing 120 and is formed so as to go to the rear side as the distance from the opening end surface increases.
- the tapered surface 12c is the same shape as the tapered surface 233 provided on the translucent cover 110 side of the heat sink 230 of the light source device 200, and is inclined so as to reduce the outer diameter toward the position of the speaker 30. It is.
- the base casing 120 includes a tapered surface that contacts the translucent cover 110 and supports the translucent cover 110 instead of the base 29, the same effect as described above can be obtained.
- the vibration of the speaker 30 is transmitted to the casing 10 formed by combining the base casing 120 and the translucent cover 110, it is possible to suppress the rattling that causes noise.
- FIG. 12 is a schematic cross-sectional view showing a light source device 400 as a modified example in which the configuration of the light source device 200 is applied.
- the light source device 400 further includes a packing 70 a provided between the speaker 30 and the translucent cover 110 in addition to the same configuration as the light source device 200.
- the packing 70a typically, rubber such as an O-ring or an adhesive tape is used.
- the gap between the speaker 30 and the translucent cover 110 can be reduced.
- the light source device 400 suppresses the formation of the gap on the first opening 11a side of the translucent cover 110 by the tapered surface 233 and the contact surface 111, and forms the gap on the opening 11b side by the packing 70a. Can be suppressed. Thereby, the space enclosed by the translucent cover 110 can be made into a more nearly airtight state. Therefore, the space surrounded by the translucent cover 110 is provided with a function as a speaker box, and the sound quality of the speaker 30 can be improved.
- the light source unit 40 the light source unit 40 on which the LED element 45 having the point light emission function is mounted is taken as an example.
- the light source unit is not limited to this.
- an organic or inorganic EL (Electro Luminescence) element that is, a light source unit having a surface light emitting function, or a CCFL having a three-dimensional light emitting function (Cold ⁇ Cathode Fluorescent Lighting ( Lamp)) or the like.
- the light source unit 40 has a ring shape, it may have a polygonal shape of a triangle or more, or a linear shape (formed in one or a plurality of linear shapes).
- the power supply board 50 may have another shape for the same purpose.
- the heat sink and the base casing are made of metal.
- other materials may be used as long as they have a relatively high thermal conductivity.
- the material of either or both of the heat sink and the base housing may be a high heat dissipation resin or ceramic.
- the heat sink 230 has both the tapered surface 231 (first tapered surface) on the base housing 12 side and the tapered surface 233 (second tapered surface) on the translucent cover 110 side.
- first tapered surface first tapered surface
- second tapered surface second tapered surface
- FIG. 13 is a perspective view showing a light bulb-type light source device according to an embodiment of the present technology.
- FIG. 14 is a diagram in which a part of the light bulb type light source device 500 shown in FIG. 13 is broken.
- FIG. 15 is a schematic cross-sectional view of the light bulb type light source device 500.
- the light source device 500 includes a support unit 20 that supports the speaker 30.
- the support unit 20 integrally supports the light source unit 40, the speaker 30, and the base 15 so that the speaker 30 and the light source unit 40 are spaced apart and the light source unit 40 is disposed between the speaker 30 and the base 15.
- the support unit 20 includes a heat sink 73, a holding member 21 that is fixed to the heat sink 73 and holds the speaker 30, and a substrate that is disposed so as to face the holding member 21. It has a box 22 and a base casing 12 which is a part of the casing 10.
- the housing 10 includes, for example, a base housing 12 and a translucent cover 511 provided on the front side of the base housing 12.
- FIG. 16 is a perspective view showing the translucent cover 511.
- the translucent cover 511 is formed with a first opening 511a provided at the end on the rear side, and a second opening 511b located on the opposite side along the z-axis direction.
- the translucent cover 511 has a first end surface 511c that forms the first opening 511a and a second end surface 511d that forms the second opening 511b.
- the translucent cover 511 has a speaker arrangement surface 511e provided on the inner peripheral side of the second end surface 511d.
- the second opening 511b is substantially formed by the speaker arrangement surface 511e and the second end surface 511d.
- the translucent cover 511 is made of, for example, polycarbonate or acrylic.
- the base casing 12 is made of a material having relatively high thermal conductivity, for example, mainly aluminum.
- the material of the base casing 12 other metal materials such as copper may be used as long as the materials have high thermal conductivity.
- the material of the base housing 12 may be a high heat dissipation resin or ceramic.
- the heat sink 73 and the base casing 12 are thermally connected to each other.
- the shape of the base housing 12 is a mortar shape.
- FIG. 17 is a perspective view showing the heat sink 73 in the support unit 20.
- the heat sink 73 includes a support surface 733 that supports the light source unit 40, a first tapered surface 731, and a second tapered surface 732.
- the support surface 733 faces the front side, and the first tapered surface 731 and the second tapered surface 732 form a side surface of the heat sink 73.
- the tapered surface 121 that forms the opening 12 a of the base housing 12 is opposed to and in contact with the second tapered surface 732 of the heat sink 73.
- the heat sink 73 and the base housing 12 are brought into contact with each other directly or through a heat conduction sheet (not shown), whereby heat conduction is performed between these members. Thereby, the heat generated from the light source unit 40 is efficiently released to the outside through the heat sink 73 and the base casing 12.
- the heat sink 73 has the second tapered surface 732, and the base casing 12 has the tapered surface 121 that abuts on the base casing 12, so that the heat sink 73 is stably supported by the base casing 12 and the rigidity thereof is increased. Further, since the tapered surfaces 121 and 732 are provided, the heat sink 73 can be placed on the base housing 12 by dropping, and even if they do not have strict dimensional accuracy, they can be brought into close contact with each other. it can. Thereby, heat transfer can be ensured.
- the first end face 511c of the translucent cover 511 is opposed to and in contact with the first tapered face 731 of the heat sink 73.
- the first tapered surface 731 functions as an opposing surface. Functions as a contact surface.
- FIG. 18 is a view showing a part of each of the heat sink 73 and the translucent cover 511.
- the translucent cover 511 functions as a light guide, and guides incident light from the first end surface 511c to the second end surface 511d.
- the first end surface 511c functions as an incident end surface
- the second end surface 511d functions as an output end surface.
- the shape and refractive index of the translucent cover 511 are set such that the light inside the translucent cover 511 substantially repeats total reflection from the first end surface 511c to the second end surface 511d.
- the first end surface 511c or the first tapered surface 731 has a colored region.
- the entire peripheral surface of the first end surface 511c or the entire peripheral surface of the first tapered surface 731 is colored.
- colored light enters the first end surface 511c and exits from the second end surface 511d, so that the region around the frame 31 of the speaker 30 appears to be colored.
- the color of the colored area may be any color.
- the cross section (end face) of glass looks blue, blue-green, green, or a color close to these.
- the first end surface 511c or the first tapered surface 731 is colored in blue, blue-green, green, or a color close to these, so that the material of the translucent cover 511 is resin. Even if it is a case, the raw material of the translucent cover 511 can be made to look like glass. Therefore, the texture of the translucent cover can be improved.
- the translucent cover 511 has a shape of a glass portion of a light bulb as shown in FIGS. 13 and 14 and the like (second end surface) that forms an opening (second opening 511b) at the tip thereof. If it has 511d), the translucent cover 511 can be functioned as a light guide member. Of course, it is not necessary to guide all the light from the first end face 511c to the second end face 511d without leakage, and a part of the incident light may reach the second end face 511d.
- the first end surface 511c has a tapered shape and the heat sink 73 also has the first tapered surface 731, the fixed state of the translucent cover 511 and the heat sink 73 is stabilized, and these The overall rigidity of the translucent cover 511 and the heat sink 73 can be increased.
- the first end surface 511c and the tapered surface 731 are tapered, a gap between the translucent cover 511 and the heat sink 73 can be reduced, and noise (chattering noise) caused by vibration of the speaker 30 can be reduced. Can be prevented.
- the holding member 21 that holds the speaker 30 is disposed so as to be surrounded by the light source unit 40. Therefore, it is possible to reduce the arrangement space of the holding member 21 and the light source unit 40 in the light bulb type light source device 500, that is, to increase the arrangement density of these members, while ensuring a desired light distribution angle. Also, the light source device 500 can be reduced in size.
- the support unit 20 supports the speaker 30 so as to press the translucent cover 511 against the heat sink 73 by the speaker 30, and sandwiches the translucent cover 511 between the speaker 30 and itself (support unit 20).
- the heat sink 73 mainly forms the base 29 of the support unit 20.
- the base portion 29 of the support unit 20 also includes a flange portion 212 of the holding member 21.
- FIG. 19 is a cross-sectional view illustrating a light source device according to a fifth embodiment of the present technology.
- the same members and functions of the light source device 500 according to the embodiment shown in FIG. 13 and the like will not be described or will be mainly described.
- the heat sink 83 provided in the light source device 600 includes a support surface 833 that supports the light source unit 40 and a tapered surface 831 that contacts the base casing 120.
- the heat sink 83 is provided in a ring shape around the holding portion 211 as in the above embodiment.
- the tapered surface 831 is in contact with an inner tapered surface (tapered contact surface) 123 that forms the opening 12 a of the base casing 120.
- the base casing 120 has an outer tapered surface 122 formed on the outer periphery of the inner tapered surface 123.
- a first end surface 511 c as an incident end surface of the translucent cover 511 is opposed to the outer tapered surface 122 of the base casing 120.
- the outer tapered surface 122 functions as an opposing surface. That is, by coloring the first end surface 511c of the translucent cover 511 or the outer tapered surface 122 of the base housing 120, the translucent cover 511 guides the colored light to the second end surface 511d, The light can be emitted from the second end surface 511d. The area around the frame 31 of the speaker 30 appears to be colored. As a result, the aesthetic appearance of the light source device 600 is improved.
- the first end surface 511c has a tapered shape
- the base housing 120 also has the outer tapered surface 122. Therefore, the fixed state of the translucent cover 511 and the base housing 120 is stable. The overall rigidity of the translucent cover 511 and the base casing 120 can be increased. In addition, since the first end surface 511c and the outer tapered surface 122 are tapered, a gap between the translucent cover 511 and the base housing 120 can be reduced, and noise caused by vibration of the speaker 30 ( It is possible to prevent occurrence of chatter noise.
- the light source unit 40 has a ring shape, it may have a polygonal shape of a triangle or more, or a linear shape (formed in one or a plurality of linear shapes).
- the power supply substrate 50 and the heat sink 73 (83) may have other shapes for the same purpose.
- glass may be used instead of polycarbonate or acrylic.
- the refractive index of glass is 1.4 to 1.5.
- a packing (not shown) may be disposed between the first end surface 511 c of the translucent cover 511 and the first tapered surface 731 of the heat sink 73. Also in the light source device 600 (FIG. 19) according to the second embodiment, packing may be provided for the same purpose.
- the first end surface 511c of the translucent cover 511 is tapered.
- the first end surface 511c may not be tapered, and may be a surface along the x direction.
- the opposing surfaces of the heat sink 73 and the base casing 120 that oppose the first end surface 511c are also surfaces along the x direction.
- the light source device may include another device instead of the speaker.
- Examples of other devices include an image sensor, an optical sensor, an ultrasonic sensor, a radiation sensor, and a temperature sensor.
- the support unit 20 had heat sinks 73 and 83 as a part of the support unit 20. However, instead of the heat sinks 73 and 83, another member having no high thermal conductivity function may be provided.
- this technique can also take the following structures.
- a speaker A light source unit; A support unit having a base including a tapered surface and a support surface for supporting the light source unit, and supporting the speaker; A housing having an abutting surface against which the tapered surface of the base abuts;
- a light bulb type light source device comprising: a base used for supplying power to the light source unit and the speaker.
- the support unit, the speaker, and the base are disposed such that the base is disposed between the speaker and the base;
- the support unit further includes a holding unit that holds the speaker such that the support surface of the base portion faces the side where the speaker is disposed, The base portion of the support unit is disposed around the holding portion.
- the light bulb type light source device according to (2), The bulb-type light source device, wherein the tapered surface of the base portion is a surface formed so as to approach the center of the base portion where the holding portion is located as the distance from the support surface increases.
- the housing includes a base housing having a tapered surface that contacts the tapered surface of the base as the contact surface.
- the support unit has a heat sink that forms at least a part of the base,
- the housing includes a base housing having the contact surface that is thermally connected to the heat sink.
- the light bulb type light source device according to (2), The bulb-type light source device, wherein the taper surface of the base portion is a surface formed so as to be separated from the center of the base portion where the holding portion is located as the distance from the support surface is increased.
- the light bulb type light source device according to (6), The housing includes a light-transmitting cover having a tapered surface that contacts the tapered surface of the base as the contact surface.
- the translucent cover is A first opening including the tapered surface as the contact surface; A bulb-type light source device having a second opening provided so as to be closed by the speaker.
- a speaker comprising: a speaker; A light source unit; A support unit for supporting the light source unit and the speaker; A base housing including a taper surface, and a translucent cover including a contact surface with which the taper surface abuts, and a housing for housing the light source unit and the support unit; A light bulb type light source device comprising: a base used for supplying power to the light source unit and the speaker.
- the support unit is A holding unit for holding the speaker; A base portion disposed around the holding portion and supporting the light source unit; The bulb-type light source device in which the support unit, the speaker, and the base are disposed so that the base is disposed between the speaker and the base.
- the bulb-type light source device according to (13),
- the base housing has an open end surface on which the base is disposed,
- the taper surface is a surface that is disposed around the opening end surface and is formed so as to approach the base side along the direction in which the speaker, the base, and the base are arranged as the distance from the opening end surface increases.
- Type light source device (15)
- the light-transmitting cover has a tapered surface that contacts the tapered surface of the base casing as the contact surface.
- a speaker a speaker; A light source unit; A first opening; a light incident end face forming the first opening; a second opening; and a light emitting end face forming the second opening and emitting light; A translucent cover for guiding light to the exit end face; An opposing surface arranged to oppose the incident end surface; and a holding portion for holding the speaker so that the speaker is arranged in the second opening, and supports the speaker and the light source unit.
- the support unit includes a heat sink including the facing surface and a support surface that supports the light source unit.
- the light bulb type light source device according to (17), The said opposing surface is a taper surface formed in the said heat sink.
- the bulb-type light source device according to (17) or (18), The heat sink is a bulb-type light source device provided in a ring shape around the holding portion.
- the light bulb type light source device according to (16), The support unit has a base casing including the facing surface.
- the light bulb type light source device according to (20), The said opposing surface is a taper surface formed in the said base housing
- the support unit includes a heat sink that is provided in a ring shape around the holding unit and supports the light source unit.
- the base casing has an opening in which the heat sink is disposed.
- the base housing has a tapered contact surface that forms an end surface of the opening together with the facing surface and contacts the heat sink.
- the light-incident-type light source device, wherein the incident end surface of the translucent cover or the facing surface of the support unit includes a colored region colored so as to reflect colored light.
- a sensor A light source unit; A first opening; a light incident end face that forms the first opening; a second opening; and a light exit end face that forms the second opening and emits light, and is incident on the incident end face.
- a light bulb type light source device comprising: a base used for supplying power to the light source unit and the sensor.
- An opposing surface provided on a support unit that forms the first opening and supports the speaker and the light source unit may be disposed, and an incident end surface on which light is incident; Forming a second opening in which a speaker supported by the support unit can be disposed, and an emission end face for emitting light, A translucent cover that covers the light source unit supported by the support unit and guides the light incident on the incident end surface to the output end surface.
- An opposing surface provided on a support unit that forms a first opening and supports the sensor and the light source unit may be disposed, and an incident end surface on which light is incident; Forming a second opening in which a sensor supported by the support unit can be disposed, and an emission end face for emitting light, A translucent cover that covers the light source unit supported by the support unit and guides the light incident on the incident end surface to the output end surface.
- Tapered surface 232 Support surface 511a ... First opening 511b ... Second opening 511c ... first end surface 511d ... second end surface 731 ... first taper surface 732 ... second taper surface 733 ... support surface 831 ... taper surface 833 ... support surface
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Abstract
Description
本技術の別の目的は、外観上の美感を向上させることができる電球型光源装置を提供することにある。
前記支持ユニットは、前記スピーカを支持する。前記支持ユニットは、基部を有する。前記基部は、テーパ面と、前記光源ユニットを支持する支持面とを含む。
前記筐体は、前記基部の前記テーパ面が当接する当接面を有する。
前記口金は、前記光源ユニット及び前記スピーカへの電力の供給に用いられる。
このテーパ面を、口金側から筐体の当接面が支えることによって、基部の位置を安定させ、がたつきを抑えることができる。
テーパ面同士が当接することにより、基部とベース筐体との間の隙間を減らすことができるので、ノイズの発生を抑えることができる。
ヒートシンクとベース筐体とが別々の部材であっても、ヒートシンクを有する基部のテーパ面を口金側からベース筐体の当接面が支えることによって、部材間のがたつきを抑えることができる。
このテーパ面によって、スピーカ側の筐体としての部材を安定して支えることができる。
テーパ面同士が当接することにより、基部と透光性カバーとの間の隙間を減らすことができるので、ノイズの発生を抑えることができる。
透光性カバーが、第1の開口部のテーパ面を基部のテーパ面に当接させることで、基部上の位置を安定させるように設けられる。この透光性カバーが、支持ユニットに支持されたスピーカに第2の開口部側から押さえられることにより、がたつきを少なくするように組み付けられる。
透光性カバーのスピーカ側の開口部を塞ぐ構造にパッキンを介在させることで、スピーカと透光性カバーとの間の隙間を減らすことができる。基部と透光性カバーとの間の隙間を減らしたことに併せて、透光性カバーに囲まれた空間を、より気密に近い状態とする効果が得られる。したがって、透光性カバーに囲まれた空間にスピーカボックスとしての機能を持たせ、スピーカの音質を向上させることができる。
前記支持ユニットは、前記光源ユニット及び前記スピーカを支持する。
前記筐体は、前記光源ユニット及び前記支持ユニットを収容する。前記筐体は、ベース筐体と、透光性カバーとを有する。前記ベース筐体は、テーパ面を含む。前記透光性カバーは、前記テーパ面が当接する当接面を含む。
前記口金は、前記光源ユニット及び前記スピーカへの電力の供給に用いられる。
このテーパ面によって、ベース筐体の開口端面の位置で、開口端面よりも径方向外側に、透光性カバーを安定して配置することができる。
テーパ面同士の当接により、隙間を作らないようにして筐体を形成することができるので、ノイズの発生を抑えることができる。
前記透光性カバーは、第1の開口と、前記第1の開口を形成する光の入射端面と、第2の開口と、前記第2の開口を形成し光を出射する出射端面とを有し、前記入射端面からの光を前記出射端面まで導く。
前記支持ユニットは、前記入射端面に対向するように配置された対向面と、前記スピーカが前記第2の開口に配置されるように前記スピーカを保持する保持部とを有し、前記スピーカ及び前記光源ユニットを支持する。
前記口金は、前記光源ユニット及び前記スピーカへの電力の供給に用いられる。
前記入射端面は、第1の開口を形成し、スピーカ及び光源ユニットを支持する支持ユニットに設けられた対向面が配置され得、光が入射する面である。
前記出射端面は、前記支持ユニットに支持されたスピーカが配置され得る第2の開口を形成し、光を出射する面である。
また、前記透光性カバーは、前記支持ユニットに支持された前記光源ユニットを覆い、前記入射端面に入射した前記光を前記出射端面まで導く。
また、本技術によれば、電球型光源装置の外観上の美感を向上させることができる。
(電球型光源装置の全体構成)
図1は、本技術の一実施形態に係る電球型光源装置を示す斜視図である。図2は、図1に示した電球型光源装置100の模式的な断面図である。以下の説明では、電球型光源装置を、単に光源装置という。
図3は、一実施形態に係るスピーカ30を示す断面図である。このスピーカ30は、ダイナミック型のダンパレススピーカである。スピーカ30は、フレーム31、永久磁石32、プレート33、ヨーク34、振動板35、エッジ36、コイルボビン37、磁性流体38及び取付底部39を備えている。
図4は、支持ユニット20の基部29のうちヒートシンク23を示す斜視図である。図2に示すように、支持ユニット20の基部29は、テーパ面231と、光源ユニット40を支持する支持面232とを含む。図4に示すように、典型的には、これらテーパ面231及び支持面232をヒートシンク23が有する。図2に示すように、ヒートシンク23の支持面232は、スピーカ30が配置される側に向けられる。
図2に示すように、ベース筐体12内には、電源回路55を搭載した電源基板50が収容されている。電源基板50は、ネジS2により上記保持部材21に取り付けられている。また保持部材21及びヒートシンク23を接続する上述のネジS1により、電源基板50もヒートシンク23に取り付けられている。
図9は、光源装置100の電気的構成を示すブロック図である。
図2に示すように、電源基板50の第1の面51上には、2次側のグランド接続パターン59が形成されている。このグランド接続パターン59が、ネジS1を介してヒートシンク23及びベース筐体12と導通している。すなわち、ヒートシンク23及びベース筐体12が、この電源回路55の電気的なグランドとなっている。
図10は、本技術の別の実施形態に係る光源装置200の模式的な断面図である。これ以降の説明では、図1等に示した実施形態に係る光源装置100の部材や機能等について同様のものは説明を簡略または省略し、異なる点を中心に説明する。光源装置200は、筐体10のうちスピーカ30側の筐体としての透光性カバー110を有し、支持ユニット20のうち主に基部29を形成するヒートシンク230を有する。
図11は、本技術のさらに別の実施形態に係る光源装置300を示す模式的な断面図である。図11に示すように、光源装置300の筐体10は、光源装置200と同様の透光性カバー110と、この透光性カバー110の第1の開口部1cに対向して設けられた、テーパ面12cを含むベース筐体120とを有する。ベース筐体120は、基部29が配置される開口端面を有する。ベース筐体120の開口端面には、例えばヒートシンク23が当接する当接面12aが含まれる。テーパ面12cは、ベース筐体120の開口端面(当接面12a)の周囲に配置され、開口端面から離れるにしたがい後方側に向かうように形成された面である。例えば、テーパ面12cは、光源装置200のヒートシンク230のうち、透光性カバー110側に設けられたテーパ面233と同様の、スピーカ30の位置に向かって外周の径を縮めるように傾斜した形状である。
図12は、光源装置200の構成を応用した変形例としての、光源装置400を示す模式的な断面図である。図12に示すように、光源装置400は、光源装置200と同様の構成に加え、スピーカ30と透光性カバー110との間に設けられたパッキン70aをさらに有する。パッキン70aとしては、典型的にはOリング等のゴムまたは粘着テープ等が用いられる。
本技術は、以上説明した実施形態に限定されず、他の種々の実施形態を実現することができる。
(電球型光源装置の全体構成)
図13は、本技術の一実施形態に係る電球型光源装置を示す斜視図である。図14は、図13に示した電球型光源装置500の一部が破断した図である。図15は、その電球型光源装置500の模式的な断面図である。
筐体10は、例えばベース筐体12と、そのベース筐体12の前方側に設けられた透光性カバー511とを有する。図16は、透光性カバー511を示す斜視図である。透光性カバー511には、後方側の端部に設けられた第1の開口511aと、z軸方向に沿ってその反対側に位置する第2の開口511bとが形成されている。
図19は、本技術の第5の実施形態に係る光源装置を示す断面図である。これ以降の説明では、図13等に示した実施形態に係る光源装置500の部材や機能等について同様のものは説明を簡略または省略し、異なる点を中心に説明する。
本技術は、以上説明した実施形態に限定されず、他の種々の実施形態を実現することができる。
(1)スピーカと、
光源ユニットと、
テーパ面と、前記光源ユニットを支持する支持面とを含む基部を有し、前記スピーカを支持する支持ユニットと、
前記基部の前記テーパ面が当接する当接面を有する筐体と、
前記光源ユニット及び前記スピーカへの電力の供給に用いられる口金と
を具備する電球型光源装置。
(2)前記(1)に記載の電球型光源装置であって、
前記スピーカと前記口金との間に前記基部が配置されるように、前記支持ユニット、前記スピーカ及び前記口金が配置され、
前記支持ユニットは、前記基部の前記支持面が前記スピーカが配置される側に向くように前記スピーカを保持する保持部をさらに有し、
前記支持ユニットの前記基部は、前記保持部の周囲に配置されている
電球型光源装置。
(3)前記(2)に記載の電球型光源装置であって、
前記基部の前記テーパ面は、前記支持面から離れるにしたがい前記保持部が位置する前記基部の中心に近づくように形成された面である
電球型光源装置。
(4)前記(3)に記載の電球型光源装置であって、
前記筐体は、前記基部の前記テーパ面に当接するテーパ状の面を、前記当接面として有するベース筐体を含む
電球型光源装置。
(5)前記(3)または(4)に記載の電球型光源装置であって、
前記支持ユニットは、前記基部の少なくとも一部を形成するヒートシンクを有し、
前記筐体は、前記ヒートシンクと熱的に接続された、前記当接面を有するベース筐体を含む
電球型光源装置。
(6)前記(2)に記載の電球型光源装置であって、
前記基部の前記テーパ面は、前記支持面から離れるにしたがい前記保持部が位置する前記基部の中心から離れるように形成された面である
電球型光源装置。
(7)前記(6)に記載の電球型光源装置であって、
前記筐体は、前記基部の前記テーパ面に当接するテーパ状の面を、前記当接面として有する透光性カバーを含む
電球型光源装置。
(8)前記(7)に記載の電球型光源装置であって、
前記透光性カバーは、
前記当接面としての前記テーパ面を含む第1の開口部と、
前記スピーカにより塞がれるように設けられた第2の開口部とを有する
電球型光源装置。
(9)前記(8)に記載の電球型光源装置であって、
前記スピーカと前記透光性カバーとの間に設けられたパッキンをさらに具備する
電球型光源装置。
(10)前記(1)から(9)のうちいずれか1つに記載の電球型光源装置であって、
前記支持ユニットの前記テーパ面は、30度以上60度以下のテーパ角度を有する
電球型光源装置。
(11)前記(1)から(10)のうちいずれか1つに記載の電球型光源装置であって、
前記光源ユニットは、光源要素として、LED(Light Emitting Diode)、またはEL
(Electro Luminescence)素子を有する
電球型光源装置。
(12)スピーカと、
光源ユニットと、
前記光源ユニット及び前記スピーカを支持する支持ユニットと、
テーパ面を含むベース筐体と、前記テーパ面が当接する当接面を含む透光性カバーとを有し、前記光源ユニット及び前記支持ユニットを収容する筐体と、
前記光源ユニット及び前記スピーカへの電力の供給に用いられる口金と
を具備する電球型光源装置。
(13)前記(12)に記載の電球型光源装置であって、
前記支持ユニットは、
前記スピーカを保持する保持部と、
前記保持部の周囲に配置され、前記光源ユニットを支持する基部とを有し、
前記スピーカと前記口金との間に前記基部が配置されるように、前記支持ユニット、前記スピーカ及び前記口金が配置されている
電球型光源装置。
(14)前記(13)に記載の電球型光源装置であって、
前記ベース筐体は、前記基部が配置される開口端面を有し、
前記テーパ面は、前記開口端面の周囲に配置され、前記開口端面から離れるにしたがい、前記スピーカ、前記基部及び前記口金が並ぶ方向に沿って前記口金側に近づくように形成された面である
電球型光源装置。
(15)前記(13)または(14)に記載の電球型光源装置であって、
前記透光性カバーは、前記ベース筐体の前記テーパ面に当接するテーパ状の面を、前記当接面として有する
電球型光源装置。
(16)スピーカと、
光源ユニットと、
第1の開口と、前記第1の開口を形成する光の入射端面と、第2の開口と、前記第2の開口を形成し光を出射する出射端面とを有し、前記入射端面からの光を前記出射端面まで導く透光性カバーと、
前記入射端面に対向するように配置された対向面と、前記スピーカが前記第2の開口に配置されるように前記スピーカを保持する保持部とを有し、前記スピーカ及び前記光源ユニットを支持する支持ユニットと、
前記光源ユニット及び前記スピーカへの電力の供給に用いられる口金と
を具備する電球型光源装置。
(17)(16)に記載の電球型光源装置であって、
前記支持ユニットは、前記対向面と、前記光源ユニットを支持する支持面とを含むヒートシンクを有する
電球型光源装置。
(18)(17)に記載の電球型光源装置であって、
前記対向面は、前記ヒートシンクに形成されたテーパ面である
電球型光源装置。
(19)(17)または(18)に記載の電球型光源装置であって、
前記ヒートシンクは、前記保持部の周囲にリング状に設けられている
電球型光源装置。
(20)(16)に記載の電球型光源装置であって、
前記支持ユニットは、前記対向面を含むベース筐体を有する
電球型光源装置。
(21)(20)に記載の電球型光源装置であって、
前記対向面は、前記ベース筐体に形成されたテーパ面である
電球型光源装置。
(22)(20)または(21)に記載の電球型光源装置であって、
前記支持ユニットは、前記保持部の周囲にリング状に設けられた、前記光源ユニットを支持するヒートシンクを有し、
前記ベース筐体は、前記ヒートシンクが配置される開口を有する
電球型光源装置。
(23)(22)に記載の電球型光源装置であって、
前記ベース筐体は、前記対向面とともに前記開口の端面を形成する、前記ヒートシンクが当接するテーパ状の当接面を有する
電球型光源装置。
(24)(16)から(23)のうちいずれか1つに記載の電球型光源装置であって、
前記透光性カバーの前記入射端面または前記支持ユニットの前記対向面は、有色光を反射するように着色された着色領域を含む
電球型光源装置。
(25)センサと、
光源ユニットと、
第1の開口と、前記第1の開口を形成する光の入射端面と、第2の開口と、前記第2の開口を形成し光を出射する出射端面とを有し、前記入射端面に入射した前記光を前記出射端面まで導く透光性カバーと、
前記入射端面に対向するように配置された対向面と、前記センサが前記第2の開口に配置されるように前記センサを保持する保持部とを有し、前記センサ及び前記光源ユニットを支持する支持ユニットと、
前記光源ユニット及び前記センサへの電力の供給に用いられる口金と
を具備する電球型光源装置。
(26)第1の開口を形成し、スピーカ及び光源ユニットを支持する支持ユニットに設けられた対向面が配置され得、光が入射する入射端面と、
前記支持ユニットに支持されたスピーカが配置され得る第2の開口を形成し、光を出射する出射端面とを具備し、
前記支持ユニットに支持された前記光源ユニットを覆い、前記入射端面に入射した前記光を前記出射端面まで導く
透光性カバー。
(27)第1の開口を形成し、センサ及び光源ユニットを支持する支持ユニットに設けられた対向面が配置され得、光が入射する入射端面と、
前記支持ユニットに支持されたセンサが配置され得る第2の開口を形成し、光を出射する出射端面とを具備し、
前記支持ユニットに支持された前記光源ユニットを覆い、前記入射端面に入射した前記光を前記出射端面まで導く
透光性カバー。
11、110…透光性カバー
11b…第2の開口部
11c…第1の開口部
12、120…ベース筐体
12a…当接面(当接面、開口端面)
111…当接面
15…口金
20…支持ユニット
21…保持部材
23、73、83、230…ヒートシンク
29…基部
30…スピーカ
40…光源ユニット
45…LED素子
70a…パッキン
100、200、300、400、500、600…電球型光源装置
121…テーパ面
122…外側テーパ面
123…内側テーパ面
211…保持部
231、233、12c…テーパ面
232…支持面
511a…第1の開口
511b…第2の開口
511c…第1の端面
511d…第2の端面
731…第1のテーパ面
732…第2のテーパ面
733…支持面
831…テーパ面
833…支持面
Claims (26)
- スピーカと、
光源ユニットと、
テーパ面と、前記光源ユニットを支持する支持面とを含む基部を有し、前記スピーカを支持する支持ユニットと、
前記基部の前記テーパ面が当接する当接面を有する筐体と、
前記光源ユニット及び前記スピーカへの電力の供給に用いられる口金と
を具備する電球型光源装置。 - 請求項1に記載の電球型光源装置であって、
前記スピーカと前記口金との間に前記基部が配置されるように、前記支持ユニット、前記スピーカ及び前記口金が配置され、
前記支持ユニットは、前記基部の前記支持面が前記スピーカが配置される側に向くように前記スピーカを保持する保持部をさらに有し、
前記支持ユニットの前記基部は、前記保持部の周囲に配置されている
電球型光源装置。 - 請求項2に記載の電球型光源装置であって、
前記基部の前記テーパ面は、前記支持面から離れるにしたがい前記保持部が位置する前記基部の中心に近づくように形成された面である
電球型光源装置。 - 請求項3に記載の電球型光源装置であって、
前記筐体は、前記基部の前記テーパ面に当接するテーパ状の面を、前記当接面として有するベース筐体を含む
電球型光源装置。 - 請求項3に記載の電球型光源装置であって、
前記支持ユニットは、前記基部の少なくとも一部を形成するヒートシンクを有し、
前記筐体は、前記ヒートシンクと熱的に接続された、前記当接面を有するベース筺体を含む
電球型光源装置。 - 請求項2に記載の電球型光源装置であって、
前記基部の前記テーパ面は、前記支持面から離れるにしたがい前記保持部が位置する前記基部の中心から離れるように形成された面である
電球型光源装置。 - 請求項6に記載の電球型光源装置であって、
前記筐体は、前記基部の前記テーパ面に当接するテーパ状の面を、前記当接面として有する透光性カバーを含む
電球型光源装置。 - 請求項7に記載の電球型光源装置であって、
前記透光性カバーは、
前記当接面としての前記テーパ面を含む第1の開口部と、
前記スピーカにより塞がれるように設けられた第2の開口部とを有する
電球型光源装置。 - 請求項8に記載の電球型光源装置であって、
前記スピーカと前記透光性カバーとの間に設けられたパッキンをさらに具備する
電球型光源装置。 - 請求項1に記載の電球型光源装置であって、
前記支持ユニットの前記テーパ面は、30度以上60度以下のテーパ角度を有する
電球型光源装置。 - スピーカと、
光源ユニットと、
前記光源ユニット及び前記スピーカを支持する支持ユニットと、
テーパ面を含むベース筐体と、前記テーパ面が当接する当接面を含む透光性カバーとを有し、前記光源ユニット及び前記支持ユニットを収容する筐体と、
前記光源ユニット及び前記スピーカへの電力の供給に用いられる口金と
を具備する電球型光源装置。 - 請求項11に記載の電球型光源装置であって、
前記支持ユニットは、
前記スピーカを保持する保持部と、
前記保持部の周囲に配置され、前記光源ユニットを支持する基部とを有し、
前記スピーカと前記口金との間に前記基部が配置されるように、前記支持ユニット、前記スピーカ及び前記口金が配置されている
電球型光源装置。 - 請求項12に記載の電球型光源装置であって、
前記ベース筐体は、前記基部が配置される開口端面を有し、
前記テーパ面は、前記開口端面の周囲に配置され、前記開口端面から離れるにしたがい、前記スピーカ、前記基部及び前記口金が並ぶ方向に沿って前記口金側に近づくように形成された面である
電球型光源装置。 - 請求項12に記載の電球型光源装置であって、
前記透光性カバーは、前記ベース筐体の前記テーパ面に当接するテーパ状の面を、前記当接面として有する
電球型光源装置。 - スピーカと、
光源ユニットと、
第1の開口と、前記第1の開口を形成する光の入射端面と、第2の開口と、前記第2の開口を形成し光を出射する出射端面とを有し、前記入射端面からの光を前記出射端面まで導く透光性カバーと、
前記入射端面に対向するように配置された対向面と、前記スピーカが前記第2の開口に配置されるように前記スピーカを保持する保持部とを有し、前記スピーカ及び前記光源ユニットを支持する支持ユニットと、
前記光源ユニット及び前記スピーカへの電力の供給に用いられる口金と
を具備する電球型光源装置。 - 請求項15に記載の電球型光源装置であって、
前記支持ユニットは、前記対向面と、前記光源ユニットを支持する支持面とを含むヒートシンクを有する
電球型光源装置。 - 請求項16に記載の電球型光源装置であって、
前記対向面は、前記ヒートシンクに形成されたテーパ面である
電球型光源装置。 - 請求項16に記載の電球型光源装置であって、
前記ヒートシンクは、前記保持部の周囲にリング状に設けられている
電球型光源装置。 - 請求項15に記載の電球型光源装置であって、
前記支持ユニットは、前記対向面を含むベース筐体を有する
電球型光源装置。 - 請求項19に記載の電球型光源装置であって、
前記対向面は、前記ベース筐体に形成されたテーパ面である
電球型光源装置。 - 請求項19に記載の電球型光源装置であって、
前記支持ユニットは、前記保持部の周囲にリング状に設けられた、前記光源ユニットを支持するヒートシンクを有し、
前記ベース筐体は、前記ヒートシンクが配置される開口を有する
電球型光源装置。 - 請求項21に記載の電球型光源装置であって、
前記ベース筐体は、前記対向面とともに前記開口の端面を形成する、前記ヒートシンクが当接するテーパ状の当接面を有する
電球型光源装置。 - 請求項15に記載の電球型光源装置であって、
前記透光性カバーの前記入射端面または前記支持ユニットの前記対向面は、有色光を反射するように着色された着色領域を含む
電球型光源装置。 - センサと、
光源ユニットと、
第1の開口と、前記第1の開口を形成する光の入射端面と、第2の開口と、前記第2の開口を形成し光を出射する出射端面とを有し、前記入射端面に入射した前記光を前記出射端面まで導く透光性カバーと、
前記入射端面に対向するように配置された対向面と、前記センサが前記第2の開口に配置されるように前記センサを保持する保持部とを有し、前記センサ及び前記光源ユニットを支持する支持ユニットと、
前記光源ユニット及び前記センサへの電力の供給に用いられる口金と
を具備する電球型光源装置。 - 第1の開口を形成し、スピーカ及び光源ユニットを支持する支持ユニットに設けられた対向面が配置され得、光が入射する入射端面と、
前記支持ユニットに支持されたスピーカが配置され得る第2の開口を形成し、光を出射する出射端面とを具備し、
前記支持ユニットに支持された前記光源ユニットを覆い、前記入射端面に入射した前記光を前記出射端面まで導く
透光性カバー。 - 第1の開口を形成し、センサ及び光源ユニットを支持する支持ユニットに設けられた対向面が配置され得、光が入射する入射端面と、
前記支持ユニットに支持されたセンサが配置され得る第2の開口を形成し、光を出射する出射端面とを具備し、
前記支持ユニットに支持された前記光源ユニットを覆い、前記入射端面に入射した前記光を前記出射端面まで導く
透光性カバー。
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Also Published As
Publication number | Publication date |
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JPWO2013161164A1 (ja) | 2015-12-21 |
JP6281626B2 (ja) | 2018-02-21 |
EP2843294A4 (en) | 2016-03-23 |
EP2843294A1 (en) | 2015-03-04 |
US20150070895A1 (en) | 2015-03-12 |
CN104246351B (zh) | 2016-05-18 |
US9851092B2 (en) | 2017-12-26 |
JP2017084798A (ja) | 2017-05-18 |
CN104246351A (zh) | 2014-12-24 |
EP2843294B1 (en) | 2017-06-28 |
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