CN105526532A - Intelligent downlight - Google Patents

Intelligent downlight Download PDF

Info

Publication number
CN105526532A
CN105526532A CN201610021462.0A CN201610021462A CN105526532A CN 105526532 A CN105526532 A CN 105526532A CN 201610021462 A CN201610021462 A CN 201610021462A CN 105526532 A CN105526532 A CN 105526532A
Authority
CN
China
Prior art keywords
cup
lamp housing
cavity
control module
drain pan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610021462.0A
Other languages
Chinese (zh)
Inventor
裘麒龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Yituo Photoelectric Technology Co Ltd
Original Assignee
Ningbo Yituo Photoelectric Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Yituo Photoelectric Technology Co Ltd filed Critical Ningbo Yituo Photoelectric Technology Co Ltd
Priority to CN201610021462.0A priority Critical patent/CN105526532A/en
Priority to PCT/CN2016/000053 priority patent/WO2017120700A1/en
Publication of CN105526532A publication Critical patent/CN105526532A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00Protecting lighting devices from damage
    • F21V15/04Resilient mountings, e.g. shock absorbers 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004Personal or domestic articles
    • F21V33/0052Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
    • F21V33/0056Audio equipment, e.g. music instruments, radios or speakers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

An intelligent downlight comprises a light housing and a light-emitting body arranged in the light housing. The intelligent downlight is characterized in that an outward-protruding cavity is formed in the top of the light housing, a loudspeaker is contained in the cavity, a power box is arranged at the top of the light housing, and a control circuit board is contained in the power box; and a housing cup is arranged in an inner cavity of the light housing. The light-emitting body is arranged on the inner cup bottom face of the housing cup, and the outer side wall of the housing cup and the side wall of the inner cavity of the light housing are arranged in a spaced manner to form a sound channel. The intelligent downlight has the beneficial effects that the light and the loudspeaker are completely integrated into a whole in structure; and the unique sound channel is designed in the light, the sound effect is guaranteed, the good heat dissipation effect is achieved as well, and the service life of the light is prolonged.

Description

A kind of intelligent Down lamp
Technical field
The present invention relates to a kind of fitting structure, particularly a kind of intelligent Down lamp.
Background technology
Current illuminating lamp function is dull, and great majority only have illumination functions, does not possess other intelligence and amusement controlling functions, cannot meet Modern Live and requirements of one's work.
In prior art, the Chinese utility model " a kind of Down lamp with audio amplifier " being ZL201520423736.X as the existing patent No. discloses a kind of Down lamp with audio amplifier, comprise lighting device and sound-producing device, described lighting device and sound-producing device removably connect, described lighting device comprises housing, diffuser plate, LED-baseplate, radiating piece, illuminating part and mains lighting supply part, the two ends of described housing have opening respectively, described diffuser plate, LED-baseplate, radiating piece and mains lighting supply part are set in turn on housing, described diffuser plate is arranged at one end of housing, described illuminating part to be arranged in LED-baseplate and towards one end of housing, described sound-producing device comprises sound cover, amplify part, sounding power elements and support member, described go out sound cover, part and the sounding power elements of amplifying is set in turn on support member, described go out sound cover be arranged at the other end of housing.
Although the Down lamp of above-mentioned patent is with acoustic function, but, the sound equipment of this patent and light structures are that upper and lower two parts are put together, and be clearly externally that two parts gather together, sound equipment does not incorporate in light fixture completely, both do not have formation entirety, not only volume is comparatively large, seem heaviness and the long shortage aesthetic feeling of profile, and sound equipment exposes the ash that also easily falls for a long time, thus affect audio, therefore need to make further improvement.
Summary of the invention
Technical problem to be solved by this invention provides a kind of structure more compact and reasonable and intelligent Down lamp of excellent in heat dissipation effect.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of intelligent Down lamp, include lamp housing and be arranged at the illuminator in this lamp housing, it is characterized in that: the top of described lamp housing forms cavity, loudspeaker is equipped with in described cavity, described lamp housing is also provided with power pack, be equipped with control circuit board in described power pack, described illuminator and loudspeaker are electrically connected described control circuit board respectively; A cup is also provided with in the inner chamber of described lamp housing, the cavity shape of described cup and described lamp housing matches, described illuminator is arranged in this cup, and, spacedly between the lateral wall of described cup and the sidewall of described lamp housing inner chamber be formed with sound channel.
In order to expand inner space as far as possible, convenient to install, and improve radiating efficiency, as preferably, the inner chamber of described lamp housing be round table-like, and correspondingly, described cup is one be round table-like heat radiating cup and be placed in the inner chamber of this lamp housing.
In order to ensure the reliable location of loudspeaker, as preferably, as preferably, described cavity is in " convex " font, upper casing and the drain pan of fixing described loudspeaker is also provided with in described cavity, described drain pan is fixed on the bottom of the convex shape of described cavity, and described upper shell to be located at outside described loudspeaker and to be fixed snapping with described drain pan.
In order to prevent rocking and realizing its axial location of cup, as preferably, the bottom of described drain pan is formed with the projection of downward evagination, and the outer cup bottom surface of described cup and the projection of described drain pan offset and be connected on this drain pan.
In order to improve audio, vibrate between minimizing drain pan and fixture and produce noise, as preferably, shockproof foam is also provided with between described drain pan and lamp housing, described shockproof foam in the form of a ring, the bottom of this shockproof foam pressure is pressed on described drain pan, and the top card of this shockproof foam is located on the cavity of described lamp housing.Shockproof foam had both played the effect of sound insulation, can play shockproof effect again.
In order to make light softer, prevent from dazzling light, as preferably, the bottom end opening of described lamp housing, described lamp housing is provided with light ray diffusion plate in bottom, and the openend of described light ray diffusion plate and described cup offsets, further, described light ray diffusion plate offers sender.
Better go out audio fruit to reach, avoid Stop road, as preferably, described sender is the hole annularly distributed bottom corresponding described sound channel.
In order to strengthen illumination, improve light emission rate further, as preferred further, be also provided with reflective membrane in described cup, the mating shapes of this reflective membrane and described cup, the inwall of described reflective membrane and described cup is close to setting.
Conveniently electric wire is installed, and prevents dust from falling in power pack, the circuit board in protection power source box; as preferably; described power pack is positioned at the top of described lamp housing, and this power pack top offers the terminal of power supply source line wiring, is connected with line ball lid above described terminal.Line ball lid can prevent electric wire from loosening, being pulled, and plays the function of protection against electric shock and short-circuit protection.
In order to the control to illuminating lamp and sound equipment can be realized, realize straighforward operation, be user-friendly to, as preferably, described control circuit board includes power module, wireless control module, audio driver module and LED control module, and described power module powers to respectively described wireless control module, audio driver module and LED control module; Described wireless control module receives outside wireless transmission signal; Described wireless control module output audio controls signal to described audio driver module, and described audio driver module connects described loudspeaker; Described wireless control module exports illumination control signal to described LED control module, and described LED control module connects described illuminator.
Compared with prior art, the invention has the advantages that: be contained in by loudspeaker in the cavity of lamp housing inside, light fixture and sound equipment are combined together completely structure, and overall structure is attractive in appearance, succinct, and sound equipment is contained in lamp interior, little by external interference; Unique sound channel is designed in light fixture, the sound that loudspeaker sends can either be gathered and finally to send from bottom afterwards by this sound channel, ensure audio effect, sound produces sound field vibration in the transmission, cross-ventilation is accelerated, the temperature that cup can be sent again is taken out of outside lamp housing eventually through this sound channel, plays good radiating effect, improves the service life of light fixture; And cup structure also facilitates the installation of illuminator (LED light source), illuminator and loudspeaker do not interfere with each other, both convenient for assembly, convenient for maintaining again.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the three-dimensional exploded view of the embodiment of the present invention.
Fig. 3 is the sectional view of the embodiment of the present invention.
Fig. 4 is the control circuit functional block diagram of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1 to 4, present embodiment discloses a kind of intelligent Down lamp, the illuminator 2 that this Down lamp includes lamp housing 1 and is arranged in this lamp housing 1, the illuminator 2 of the present embodiment adopts LED light source, and lamp housing 1 adopts integrated formed structure, and the top of lamp housing 1 forms cavity 11, this cavity 11 can be closed, also can be out foraminate semi-open type structure, cavity 11 is in " convex " font, and the inner chamber of lamp housing 1 is round table-like.
In order to ensure audio, the cavity 11 of the present embodiment preferably adopts hermetically-sealed construction, be equipped with upper casing 41 and the drain pan 42 of loudspeaker 3 and fixing loudspeaker 3 in cavity 11, drain pan 42 is fixed on the bottom of the convex shape of cavity 11, and upper casing 41 to be sheathed on outside loudspeaker 3 and to fix snapping with drain pan 42; Shockproof foam 5 is also provided with between drain pan 42 and lamp housing 1, in the form of a ring, the bottom that this shockproof foam 5 is pressed is pressed on drain pan 42 shockproof foam 5, and the top card of this shockproof foam 5 is located on the cavity 11 of lamp housing 1, shockproof foam 5 had both played the effect of sound insulation, can play shockproof effect again.
In order to improve radiating efficiency, be also provided with in the inner chamber of lamp housing 1 in round table-like cup 6, the cavity shape of cup 6 shape and lamp housing 1 matches; In order to ensure heat radiation, cup 6 is the heat radiating cup adopting certain thickness aluminium to make, cup 6 is placed in the inner chamber of lamp housing 1, and, spaced setting between the lateral wall of cup 6 and the sidewall of lamp housing 1 inner chamber thus form a sound channel 61, illuminator 2 is closely set on the interior cup bottom surface of this cup 6; Be formed with the projection 421 of downward evagination bottom the drain pan 42 of fixing loudspeaker 3, the outer cup bottom surface of cup 6 and the projection 421 of drain pan 42 offset and are screwed and be connected on drain pan 42.
In order to improve light emission rate, light source is concentrated on exiting surface simultaneously, also be provided with reflective membrane 7 in cup 6, the mating shapes of this reflective membrane 7 and cup 6 and size is less than cup 6, reflective membrane 7 just in time can be plugged in cup 6 and and the inwall of cup 6 be close to setting.
The bottom end opening of lamp housing 1, in order to prevent dazzling light, the bottom of lamp housing 1 is also provided with light ray diffusion plate 8, light ray diffusion plate 8 offsets with the openend of cup 6, and, light ray diffusion plate 8 circumferentially offers the sender 81 of a ring shape, go out audio fruit to reach the best, sender 81 is the collar aperture annularly distributed bottom corresponding sound channel 61; In order to be fixed on lamp housing 1 by light ray diffusion plate 8, the bottom of lamp housing 1 is also provided with the face-piece 12 of ring-type, and light ray diffusion plate 8 is withheld and is connected on lamp housing 1 by this face-piece 12.
Lamp housing 1 is also provided with power pack 91, the position of power pack 91 can be positioned near cavity 11, preferably, power pack 91 is arranged on the top of this cavity 11 by the present embodiment, control circuit board 92 is equipped with in power pack 91, the top of power pack 91 offers the terminal of power supply source line wiring, is connected with line ball lid 93 above terminal.
The illuminator 2 of the present embodiment and loudspeaker 3 to be connected electrically in respectively on control circuit board 92 and to have this control circuit board 92 to drive work; As shown in Figure 4, control circuit board 92 includes power module, wireless control module, audio driver module and LED control module, and wherein, power module is respectively used to power to wireless control module, audio driver module and LED control module; Wireless control module can receive outside wireless transmission signal by modes such as bluetooth communications; Wireless control module can control signal to audio driver module by output audio, and audio driver module connects loudspeaker 3; Wireless control module can also export illumination control signal to LED control module, and LED control module connects illuminator 2.The operation principle of control circuit board 92 can be realized by corresponding control circuit of the prior art, and therefore not to repeat here.
Loudspeaker 3 is placed in the independent cavity 11 of lamp housing 1 inside by the present embodiment, adopts loudspeaker 3 and illuminator 2 to be separated from each other setting, loudspeaker 3 and light fixture are combined together completely, good looking appearance, succinct, compact conformation; Have employed unique sound channel 61 structure simultaneously, the sound that loudspeaker 3 sends can pass to sound from surrounding along this sound channel 61 space the light ray diffusion plate 8 be positioned at bottom lamp housing 1, from the annular sender 81 of light ray diffusion plate 8, sound is spread out of again, both ensure that middle illuminating area, and reached again and good go out audio fruit; Illuminator 2 (LED light source) is close in cup 6, temperature is dispelled the heat by cup 6, adopts cross-ventilation method, by this space of sound channel 61, the temperature that cup 6 comes out is taken out of outside lamp housing 1, thus play good radiating effect, and then improve the service life of light fixture.

Claims (10)

1. an intelligent Down lamp, include lamp housing (1) and be arranged at the illuminator (2) in this lamp housing (1), it is characterized in that: the top of described lamp housing (1) forms cavity (11), loudspeaker (3) is equipped with in described cavity (11), described lamp housing (1) is also provided with power pack (91), be equipped with control circuit board (92) in described power pack (91), described illuminator (2) and loudspeaker (3) are electrically connected described control circuit board (92) respectively; A cup (6) is also provided with in the inner chamber of described lamp housing (1), the cavity shape of described cup (6) and described lamp housing (1) matches, described illuminator (2) is arranged in this cup (6), further, spacedly between the lateral wall of described cup (6) and the sidewall of described lamp housing (1) inner chamber sound channel (61) is formed.
2. intelligent Down lamp according to claim 1, it is characterized in that: the inner chamber of described lamp housing (1) is round table-like, correspondingly, described cup (6) is one in round table-like heat radiating cup being placed in the inner chamber of this lamp housing (1).
3. intelligent Down lamp according to claim 1, it is characterized in that: described cavity (11) is in " convex " font, upper casing (41) and the drain pan (42) of fixing described loudspeaker (3) is also provided with in described cavity (11), described drain pan (42) is fixed on the bottom of the convex shape of described cavity (11), and described upper casing (41) to be sheathed on outside described loudspeaker (3) and snapping fixing with described drain pan (42).
4. intelligent Down lamp according to claim 3, it is characterized in that: the bottom of described drain pan (42) is formed with the projection (421) of downward evagination, the outer cup bottom surface of described cup (6) and the projection (421) of described drain pan (42) offset and are connected on this drain pan (42).
5. intelligent Down lamp according to claim 3, it is characterized in that: between described drain pan (42) and lamp housing (1), be also provided with shockproof foam (5), described shockproof foam (5) in the form of a ring, the bottom that this shockproof foam (5) is pressed is pressed on described drain pan (42), and the top card of this shockproof foam (5) is located on the cavity (11) of described lamp housing (1).
6. intelligent Down lamp according to claim 1, it is characterized in that: the bottom end opening of described lamp housing (1), described lamp housing (1) is provided with light ray diffusion plate (8) in bottom, described light ray diffusion plate (8) offsets with the openend of described cup (6), further, described light ray diffusion plate (8) offers sender (81).
7. intelligent Down lamp according to claim 6, is characterized in that: described sender (81) is the hole annularly distributed of corresponding described sound channel (61) bottom.
8. intelligent Down lamp according to claim 1, it is characterized in that: in described cup (6), be also provided with reflective membrane (7), the mating shapes of this reflective membrane (7) and described cup (6), the inwall of described reflective membrane (7) and described cup (6) is close to setting.
9. intelligent Down lamp according to claim 1, it is characterized in that: described power pack (91) is positioned at the top of described lamp housing (1), this power pack (91) top offers the terminal of power supply source line wiring, is connected with line ball lid (93) above described terminal.
10. intelligent Down lamp according to claim 1, it is characterized in that: described control circuit board (92) includes power module, wireless control module, audio driver module and LED control module, described power module powers to respectively described wireless control module, audio driver module and LED control module; Described wireless control module receives outside wireless transmission signal; Described wireless control module output audio controls signal to described audio driver module, and described audio driver module connects described loudspeaker (3); Described wireless control module exports illumination control signal to described LED control module, and described LED control module connects described illuminator (2).
CN201610021462.0A 2016-01-12 2016-01-12 Intelligent downlight Pending CN105526532A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610021462.0A CN105526532A (en) 2016-01-12 2016-01-12 Intelligent downlight
PCT/CN2016/000053 WO2017120700A1 (en) 2016-01-12 2016-01-26 Intelligent downlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610021462.0A CN105526532A (en) 2016-01-12 2016-01-12 Intelligent downlight

Publications (1)

Publication Number Publication Date
CN105526532A true CN105526532A (en) 2016-04-27

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CN (1) CN105526532A (en)
WO (1) WO2017120700A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106211001A (en) * 2016-10-07 2016-12-07 肖次明 A kind of optically focused loudspeaker
CN107172532A (en) * 2017-07-21 2017-09-15 深圳贯和通物联科技有限公司 Internet of Things sound equipment
WO2017206639A1 (en) * 2016-05-30 2017-12-07 深圳佳比泰智能照明股份有限公司 Bluetooth down lamp
CN108488711A (en) * 2018-04-27 2018-09-04 江丹 A kind of intelligent radio music downlight
WO2019079968A1 (en) * 2017-10-24 2019-05-02 佛山市威得士灯饰电器有限公司 Embedded lamp with speaker device, speaker device and manufacturing method therefor
WO2019136693A1 (en) * 2018-01-12 2019-07-18 佛山市威得士灯饰电器有限公司 Music downlight and application thereof
CN112628630A (en) * 2020-12-29 2021-04-09 深圳市华勤创展科技有限公司 White noise lamp

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2566542B (en) 2017-09-19 2020-01-15 Sleep Safe Systems Ltd A Modular lighting fixture
CN111336447A (en) * 2018-12-19 2020-06-26 东莞市铭皓照明有限公司 Panel light with sound function

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CN201547599U (en) * 2009-12-03 2010-08-11 上海天逸电器有限公司 Optical and acoustic integrated alarm lamp with waterproof and dustproof functions
CN201973561U (en) * 2010-12-01 2011-09-14 吴美香 LED (Light Emitting Diode) lantern
CN203836760U (en) * 2014-05-14 2014-09-17 深圳市索佳能源科技有限公司 Integrated music down lamp
CN204420721U (en) * 2014-12-29 2015-06-24 中山市毅龙五金实业有限公司 A kind of LED sound equipment garden lamp
CN105003862A (en) * 2015-02-15 2015-10-28 东莞市海和光电照明有限公司 Intelligent lamp structure based on internet of things and connecting circuit of intelligent lamp structure
CN205619081U (en) * 2016-01-12 2016-10-05 宁波亿拓光电科技有限公司 Intelligence down lamp

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US9115886B2 (en) * 2013-11-01 2015-08-25 Tongfang Global Limited Rotary lighting fixture having speaker with playback function
CN204358573U (en) * 2014-11-24 2015-05-27 东莞长发光电科技有限公司 A kind of LED music Down lamp
CN204268255U (en) * 2014-12-23 2015-04-15 杭州赛明照明电器有限公司 A kind of New LED intelligent radio sound equipment Down lamp
CN204420723U (en) * 2014-12-29 2015-06-24 中山市毅龙五金实业有限公司 A kind of flow-guiding type LED sound equipment Down lamp

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Publication number Priority date Publication date Assignee Title
CN201547599U (en) * 2009-12-03 2010-08-11 上海天逸电器有限公司 Optical and acoustic integrated alarm lamp with waterproof and dustproof functions
CN201973561U (en) * 2010-12-01 2011-09-14 吴美香 LED (Light Emitting Diode) lantern
CN203836760U (en) * 2014-05-14 2014-09-17 深圳市索佳能源科技有限公司 Integrated music down lamp
CN204420721U (en) * 2014-12-29 2015-06-24 中山市毅龙五金实业有限公司 A kind of LED sound equipment garden lamp
CN105003862A (en) * 2015-02-15 2015-10-28 东莞市海和光电照明有限公司 Intelligent lamp structure based on internet of things and connecting circuit of intelligent lamp structure
CN205619081U (en) * 2016-01-12 2016-10-05 宁波亿拓光电科技有限公司 Intelligence down lamp

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017206639A1 (en) * 2016-05-30 2017-12-07 深圳佳比泰智能照明股份有限公司 Bluetooth down lamp
CN106211001A (en) * 2016-10-07 2016-12-07 肖次明 A kind of optically focused loudspeaker
CN107172532A (en) * 2017-07-21 2017-09-15 深圳贯和通物联科技有限公司 Internet of Things sound equipment
WO2019079968A1 (en) * 2017-10-24 2019-05-02 佛山市威得士灯饰电器有限公司 Embedded lamp with speaker device, speaker device and manufacturing method therefor
WO2019136693A1 (en) * 2018-01-12 2019-07-18 佛山市威得士灯饰电器有限公司 Music downlight and application thereof
CN108488711A (en) * 2018-04-27 2018-09-04 江丹 A kind of intelligent radio music downlight
CN112628630A (en) * 2020-12-29 2021-04-09 深圳市华勤创展科技有限公司 White noise lamp

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Application publication date: 20160427