WO2017120700A1

WO2017120700A1 - Intelligent downlight

Info

Publication number: WO2017120700A1
Application number: PCT/CN2016/000053
Authority: WO
Inventors: 裘麒龙
Original assignee: 裘麒龙
Priority date: 2016-01-12
Filing date: 2016-01-26
Publication date: 2017-07-20
Also published as: CN105526532A

Abstract

Disclosed is an intelligent downlight, comprising a light housing (1) and a light-emitting body (2) arranged in the light housing (1). An outward-protruding cavity (11) is formed in the top of the light housing (1). A loudspeaker (3) is contained in the cavity (11). A power box (91) is arranged at the top of the light housing (1). A control circuit board (92) is contained in the power box (91). A housing cup (6) is arranged in an inner cavity of the light housing (1). The light-emitting body (2) is arranged on the inner cup bottom face of the housing cup (6). The outer side wall of the housing cup (6) and the side wall of the inner cavity of the light housing (1) are spaced from each other to form a sound channel (61). The light and the loudspeaker are completely integrated into a whole structure. By means of the uniquely designed sound channel (61) in the light, the sound effect is guaranteed, a good heat dissipation effect is achieved as well, and the service life of the light is prolonged.

Description

Intelligent downlight

Technical field

The invention relates to a lamp structure, in particular to a smart downlight.

Background technique

The current lighting functions are monotonous, most of them only have lighting functions, and do not have other intelligent and entertainment control functions, which can not meet the needs of modern life and work.

In the prior art, for example, the Chinese patent CN204739490U (patent number ZL201520423736.X) "a downlight with a speaker" discloses a downlight with a speaker, including a lighting device and a sounding device, a lighting device and a sounding device The detachable connection comprises: a housing, a diffusion plate, an LED substrate, a heat dissipating component, a illuminating component and a lighting power supply component, wherein the two ends of the housing respectively have openings, and the diffusion plate, the LED substrate, the heat dissipating component and the lighting power supply component are sequentially disposed on a diffusing plate is disposed at one end of the housing, and the illuminating member is disposed on the LED substrate and facing one end of the housing, and the sound generating device includes an acoustic cover, a sound amplifying member, a sounding power supply member and a support member, and the sound emitting cover The sound reinforcement member and the sounding power supply member are sequentially disposed on the support member, and the sound emission cover is disposed at the other end of the housing.

Although the above-mentioned patented downlight has an acoustic function, the patented acoustic and lighting structure is formed by combining the upper and lower parts. From the outside, it is obvious that the two parts are put together, and the sound is not completely integrated into the lamp. The person does not form a whole, not only is bulky, cumbersome, and the shape is too long and lacks aesthetics. The long-term exposure of the sound is also easy to fall, which affects the sound effect, so further improvement is still needed.

Summary of the invention

The technical problem to be solved by the present invention is to provide a smart downlight with a more compact structure and better heat dissipation effect in view of the above state of the art.

The technical solution adopted by the present invention to solve the above technical problem is: a smart downlight comprising a lamp housing and an illuminant disposed in the lamp housing, wherein:

The top of the lamp housing is formed with a cavity, the cavity is provided with a speaker, and the lamp housing is further provided with a power box, wherein the power box is provided with a control circuit board, and the illuminant and the speaker are respectively charged Connecting the control circuit board;

a cavity is further disposed in the inner cavity of the lamp housing, the cup is matched with the inner cavity shape of the lamp housing, the illuminant is disposed in the cup, and the outer side wall of the cup and the lamp are The side walls of the inner cavity of the casing are spaced apart from each other to form a sound passage.

In order to enlarge the internal space as much as possible, to facilitate the installation, and to improve the heat dissipation efficiency, preferably, the inner cavity of the lamp housing has a truncated cone shape. Accordingly, the cup is a trough-shaped heat dissipating cup and is accommodated in the lamp housing. In the lumen.

In order to ensure reliable positioning of the speaker, preferably, the cavity is in a “convex” shape, and the cavity is further provided with an upper shell and a bottom shell for fixing the speaker, and the bottom shell is fixed to the cavity. a bottom portion of the convex shape of the body, the upper casing is sleeved outside the speaker and fixedly fastened to the bottom case.

In order to prevent the sway of the cup and achieve its axial positioning, preferably, the bottom of the bottom case is formed with a downwardly convex protrusion, and the bottom surface of the outer cup of the cup abuts and is connected to the protrusion of the bottom case. On the bottom case.

In order to improve the sound effect, the vibration between the bottom case and the fixing member is reduced to generate a noise. Preferably, a shockproof foam is disposed between the bottom case and the lamp housing, and the anti-vibration foam is annular, and the anti-shock foam is pressed. The bottom portion is press-fitted on the bottom case, and the top of the anti-vibration foam is attached to the cavity of the lamp housing. The shockproof foam not only has the effect of sound insulation, but also has a shockproof effect.

In order to make the light softer and prevent glare, preferably, the bottom end of the lamp housing is open, and the lamp housing is provided at the bottom end with a light diffusing plate, and the light diffusing plate is opposite to the open end of the cup, and The sound diffusing plate is provided with a sound hole.

In order to achieve a better sounding effect and avoid clogging the sound path, preferably, the sound hole is a hole distributed in a ring shape corresponding to the bottom of the sound channel.

In order to enhance the illumination and further increase the light extraction rate, it is further preferred that the cover cup is further provided with a light-reflecting film which matches the shape of the cup, and the reflective film and the inner wall of the cup are closely attached.

In order to facilitate the installation of the electric wire and prevent dust from falling into the power supply box, the circuit board in the power supply box is protected. Preferably, the power supply box is located at the top of the lamp housing, and a terminal for the power line connection is opened at the top end of the power supply box. A crimping cover is connected above the terminal. The crimping cover prevents the wires from being loosened and pulled off, and functions to prevent electric shock and short circuit protection.

In order to realize the control of the lighting and the sound, realize the remote operation and facilitate the user to use, preferably, the control circuit board comprises a power module, a wireless control module, an audio driving module and an LED control module, wherein the power module respectively gives The wireless control module, the audio driving module and the LED control module supply power; the wireless control module receives an external wireless transmission signal; the wireless control module outputs an audio control signal to the audio driving module, and the audio driving module connects the a speaker; the wireless control module outputs a lighting control signal to the LED control module, the LED control module connecting the illuminant.

Compared with the prior art, the invention has the advantages that the speaker is housed in the cavity inside the lamp housing, so that the lamp and the sound are completely integrated into the structure, the overall structure is beautiful and simple, and the sound is contained inside the lamp. The external interference is small; the sound channel is designed in the luminaire. The sound channel can not only emit the sound from the speaker, but finally emit it from the bottom to ensure the sound effect. The sound generates sound field vibration during transmission, which makes the air convection faster. The temperature emitted by the cup can finally be taken out of the lamp shell through the sound channel, which has a good heat dissipation effect and improves the service life of the lamp; moreover, the cup structure also facilitates the installation of the illuminant (LED light source) and emits light. The body and the speaker do not interfere with each other, which is convenient for assembly and convenient for maintenance.

DRAWINGS

FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention.

2 is an exploded perspective view of an embodiment of the present invention.

Figure 3 is a cross-sectional view of an embodiment of the present invention.

4 is a functional block diagram of a control circuit according to an embodiment of the present invention.

detailed description

The invention will be further described in detail below with reference to the embodiments of the drawings.

As shown in FIG. 1 to FIG. 4, the embodiment discloses a smart downlight, which comprises a lamp housing 1 and an illuminant 2 disposed in the lamp housing 1. The illuminant 2 of the embodiment adopts an LED. The light source, the lamp housing 1 adopts an integrally formed structure, and the top of the lamp housing 1 is formed with a cavity 11 which may be closed or a semi-open structure with small holes, and the cavity 11 is "convex". The glyph, the inner cavity of the lamp housing 1 has a truncated cone shape.

In order to ensure the sound effect, the cavity 11 of the present embodiment preferably adopts a sealing structure. The cavity 11 is provided with a speaker 3 and an upper case 41 and a bottom case 42 of the fixed speaker 3. The bottom case 42 is fixed to the convex shape of the cavity 11. At the bottom, the upper shell 41 is sleeved outside the speaker 3 and fixedly fastened to the bottom bright 42; a shockproof foam 5 is further disposed between the bottom shell 42 and the lamp housing 1, and the shockproof foam 5 is annular, and the shockproof foam is The bottom of the pressure is pressed on the bottom case 42. The top of the anti-vibration foam 5 is clamped on the cavity 11 of the lamp housing 1. The shock-proof foam 5 not only has the effect of sound insulation, but also has a shockproof effect.

In order to improve the heat dissipation efficiency, the inner cavity of the lamp housing 1 is further provided with a cup-shaped cup 6 which is shaped to match the shape of the inner cavity of the lamp housing 1: in order to ensure heat dissipation, the cup 6 is made of aluminum of a certain thickness. a heat sink cup, the cup 6 is received in the inner cavity of the lamp housing 1, and the outer side wall of the cup 6 and the side wall of the inner cavity of the lamp housing 1 are spaced apart from each other to form a sound passage 61, and the illuminant 2 is closely attached. The bottom surface of the bottom case 42 of the fixed speaker 3 is formed with a downwardly convex protrusion 421. The bottom surface of the outer cup of the cup 6 abuts against the protrusion 421 of the bottom case 42 and is fixed by screws. On the bottom case 42.

In order to increase the light extraction rate while concentrating the light source on the light-emitting surface, the cover cup 6 is further provided with a light-reflecting film 7 which matches the shape of the cup 6 and is smaller in size than the cup 6, and the reflective film 7 can be inserted in the same manner. The inside of the cup 6 is placed in close contact with the inner wall of the cup 6.

The bottom end of the lamp housing 1 is open. In order to prevent glare, the bottom end of the lamp housing 1 is further provided with a light diffusing plate 8, the light diffusing plate 8 is opposite to the open end of the cup 6, and the light diffusing plate 8 is circumferentially opened. In order to achieve an optimal sound-emitting effect, the sound-emitting hole 81 is a ring-shaped hole distributed along the ring corresponding to the bottom of the sound channel 61; in order to fix the light-diffusing plate 8 to the lamp housing 1, the lamp housing The bottom end of the 1 is further provided with an annular face shell 12 which is crimped and connected to the lamp housing 1 by the light diffusing plate 8.

The lamp housing 1 is further provided with a power box 91. The position of the power box 91 can be located in the vicinity of the cavity 11. Preferably, in this embodiment, the power box 91 is disposed at the top of the cavity 11, and the content of the power box 91 is controlled. Circuit board 92, electricity A terminal for wiring the power supply line is opened at the top of the source box 91, and a crimping cover 93 is connected above the terminal.

The illuminator 2 and the speaker 3 of the embodiment are electrically connected to the control circuit board 92 and driven by the control circuit board 92; as shown in FIG. 4, the control circuit board 92 includes a power module, a wireless control module, and an audio driver. The module and the LED control module, wherein the power module is respectively used to supply power to the wireless control module, the audio driving module and the LED control module; the wireless control module can receive an external wireless transmitting signal by means of Bluetooth communication; the wireless control module can output audio control The signal is sent to the audio driving module, and the audio driving module is connected to the speaker 3; the wireless control module can also output a lighting control signal to the LED control module, and the LED control module is connected to the illuminant 2. The working principle of the control circuit board 92 can be implemented by the corresponding control circuit in the prior art, and details are not described herein.

In this embodiment, the speaker 3 is housed in a separate cavity 11 inside the lamp housing 1, and the speaker 3 and the illuminator 2 are separated from each other, so that the speaker 3 and the luminaire are completely integrated, and the appearance is beautiful, simple, and compact; Using a unique sound channel 61 structure, the sound emitted by the speaker 3 will follow the space of the sound channel 61 to transmit the sound from the periphery to the light diffusing plate 8 at the bottom of the lamp housing 1, and then from the annular sound hole of the light diffusing plate 8. 81 sounds are transmitted, which not only ensures the light area in the middle, but also achieves a good sound effect; the illuminant 2 (LED light source) is closely attached to the cup 6, the temperature is dissipated through the cup 6, and the air convection method is used to pass the sound. The space of the passage 61 brings out the temperature emitted from the cup 6 out of the lamp housing 1, thereby providing a better heat dissipation effect, thereby improving the service life of the lamp.

Claims

A smart downlight comprises a lamp housing (1) and an illuminant (2) disposed in the lamp housing (1), characterized in that:

The top of the lamp housing (1) is formed with a cavity (11), the cavity (11) is provided with a speaker (3), and the lamp housing (1) is further provided with a power supply box (91). The power supply box (91) is provided with a control circuit board (92), and the illuminant (2) and the speaker (3) are electrically connected to the control circuit board (92), respectively;

The inner surface of the lamp housing (1) is further provided with a cup (6), the cup (6) and the inner shape of the lamp housing (1) are matched, and the illuminant (2) is disposed on the Inside the cup (6);

Further, a sound passage (61) is formed between the outer side wall of the cup (6) and the side wall of the inner cavity of the lamp housing (1).
The smart downlight according to claim 1, characterized in that the inner cavity of the lamp housing (1) has a truncated cone shape, and correspondingly, the cup (6) is a trough-shaped heat dissipating cup and is accommodated. The inner cavity of the lamp housing (1).
The smart downlight according to claim 1, characterized in that the cavity (11) has a "convex" shape, and the cavity (11) is further provided with an upper casing for fixing the speaker (3) ( 41) and a bottom case (42), the bottom case (42) is fixed to a bottom of the convex shape of the cavity (11), and the upper case (41) is sleeved outside the speaker (3) and Fastened and fastened to the bottom case (42).
The smart downlight according to claim 3, wherein the bottom of the bottom case (42) is formed with a downwardly convex post (421), the outer cup bottom surface of the cup (6) is The studs (421) of the bottom case (42) abut against and are connected to the bottom case (42).
The smart downlight according to claim 3, characterized in that: a shockproof foam (5) is arranged between the bottom case (42) and the lamp housing (1), and the anti-shock foam (5) is ring-shaped. The bottom of the anti-vibration foam (5) is pressed against the bottom case (42), and the top of the anti-vibration foam (5) is attached to the cavity (11) of the lamp housing (1). .
The smart downlight according to claim 1, characterized in that the bottom end of the lamp housing (1) is open, and the lamp housing (1) is provided with a light diffusing plate (8) at the bottom end, the light diffusing The plate (8) is opposite to the open end of the cup (6), and the sound diffusing plate (8) is provided with a sound hole (81).
The smart downlight according to claim 6, characterized in that the sound emitting hole (81) is an annularly distributed hole corresponding to the bottom of the sound channel (61).
The smart downlight according to claim 1, characterized in that: the reflector cup (6) is further provided with a reflective film (7), and the reflective film (7) matches the shape of the cup (6). The reflective film (7) and the inner wall of the cup (6) are placed in close contact with each other.
The smart downlight according to claim 1, wherein the power supply box (91) is located at the top of the lamp housing (1), and a terminal for the power line connection is opened at the top end of the power supply box (91). A crimping cover (93) is connected above the terminal.
The smart downlight according to claim 1, wherein the control circuit board (92) comprises a power module, a wireless control module, an audio driving module and an LED control module, wherein the power module respectively gives the Line control module, audio driver module and LED control module power supply;

The wireless control module receives an external wireless transmit signal; the wireless control module outputs an audio control signal to the audio drive module, the audio drive module is coupled to the speaker (3);

The wireless control module outputs a lighting control signal to the LED control module, and the LED control module is coupled to the illuminant (2).