CN217825174U - Miniature projection arrangement of audio amplifier components of a whole that can function independently - Google Patents
Miniature projection arrangement of audio amplifier components of a whole that can function independently Download PDFInfo
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- CN217825174U CN217825174U CN202220946927.4U CN202220946927U CN217825174U CN 217825174 U CN217825174 U CN 217825174U CN 202220946927 U CN202220946927 U CN 202220946927U CN 217825174 U CN217825174 U CN 217825174U
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Abstract
The utility model provides a but audio amplifier components of a whole that can function independently miniature projection arrangement, include: a projector main body and a sound box device; the projector main body is provided with a cavity structure for accommodating a projector optical machine system, a projection control module and a wireless audio transmitting module, a platform for placing a sound box device is arranged on the side surface of the cavity structure, and a connecting socket is arranged on the upper surface of the platform; the loudspeaker box device is provided with a loudspeaker box shell used for containing a loudspeaker, a sound control module, a rechargeable battery and a wireless audio receiving module, and a connecting plug is arranged on the lower surface of the loudspeaker box shell. The utility model discloses adopt separable mode combination with the stereo set with the projector main part, further improve user's sound effect and experience.
Description
Technical Field
The utility model relates to a projecting apparatus particularly, especially, relate to a miniature projection arrangement of audio amplifier components of a whole that can function independently.
Background
At present, the miniature projection has small volume but can project a very large picture, and the lower price of a large-size television is easier for consumers to receive. And the use is nimble, can put on the tea table, on the bedside cupboard, hoist and mount at the ceiling even.
The chinese patent No. 201510250518.5 discloses a multifunctional projection apparatus, and discloses that two speakers are fixedly connected to the outer side wall of the housing through a rotating shaft. The projection content and the sound effect can be played simultaneously.
However, since the positions of the projection component and the loudspeaker are relatively fixed, the position of the projection device is the sound source position, which results in the reduction of sound effect experience. For example, the micro projector is placed on a bedside cabinet on one side to project on a curtain opposite to the bedside cabinet, a viewer looks at a film on a bed, and at the moment, audio played by the loudspeaker is emitted from one side. The single-side transmission of sound not only seriously affects the viewing effect, but also aggravates the hearing fatigue of viewers.
Disclosure of Invention
According to the not good technical problem of audio that the rigidity leads to takes place for miniature projecting apparatus that above-mentioned provided, the utility model provides a but audio amplifier split miniature projecting apparatus, the utility model discloses adopt separable mode combination with projector main part and audio amplifier, further improve user's sound effect and experience.
The utility model discloses a technical means as follows:
a miniature projection device with a separable sound box comprises: a projector main body and a sound box device;
the projector main body is provided with a cavity structure for accommodating a projection optical mechanical system, a projection control module and a wireless audio transmitting module, a platform for placing a sound box device is arranged on the side surface of the cavity structure, a connecting socket is arranged on the upper surface of the platform, the projection optical mechanical system, the connecting socket and the wireless audio transmitting module are electrically connected with the projection control module, and the projection control module controls the projection optical mechanical system to put in pictures on one hand and controls the wireless audio transmitting module to transmit audio data on the other hand;
the loudspeaker box device is provided with a loudspeaker box shell used for containing a loudspeaker, a sound control module, a rechargeable battery and a wireless audio receiving module, wherein the lower surface of the loudspeaker box shell is provided with a connecting plug, the loudspeaker, the connecting plug, the rechargeable battery and the wireless audio receiving module are all electrically connected with the sound control module, the sound control module receives audio data through the wireless audio receiving module on the one hand, and controls the loudspeaker to play the audio data on the other hand.
Furthermore, the miniature projection device comprises two sound box devices which are symmetrically arranged at the left and the right; correspondingly, two connecting sockets are arranged on the main body shell.
Furthermore, the projection control module judges the connection state of the sound box device by detecting a connection signal of the connection socket;
when the sound box device is electrically connected with the projector main body, the projection main control module transmits an audio signal to the sound box device through the connecting socket and the connecting plug;
when the sound box device is in wireless connection with the projector main body, the projection main control module transmits the audio signals to the sound box device through the wireless audio transmitting module and the wireless audio receiving module.
Further, when the sound box device is electrically connected with the projector main body, the projector main body charges a rechargeable battery in the sound box device through the connecting socket and the connecting plug.
Further, an interface connected with the projection control module is further arranged on the projector main body, and the interface comprises at least one of a USB interface, an HDMI interface, a TF card slot or a DC interface.
Compared with the prior art, the invention has the following advantages:
1. the utility model provides a miniature projection arrangement through adopting separable mode combination with projector main part and audio amplifier, has improved user's sound effect and has experienced.
2. The utility model provides a miniature projection arrangement has two the same audio amplifier devices, through the nimble adjustment of placing the position, satisfies user diversified demand.
3. The utility model discloses an acoustic signal transmission between projector main part and the audio amplifier device is realized to electric connection or wireless connection dual mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the micro-projector according to the present invention in a fit state.
Fig. 2 is a schematic structural view of the micro-projector of the present invention in a split state.
Fig. 3 is a schematic diagram of the main body structure of the projector of the present invention.
Fig. 4 is a schematic structural diagram of the projector main body of the present invention.
Fig. 5 is a schematic diagram of the structure of the sound box device of the present invention.
Fig. 6 is a schematic structural view of the sound box device of the present invention.
In the figure: 1. a projector main body; 101. a connection socket; 102. a projection control module; 1031. an optical engine; 1032. a lens; 1033. an opto-mechanical system heat sink; 104. the wireless audio transmitting module 2 and the sound box device; 201. a connecting plug; 202. a sound control module 203 and a wireless audio receiving module; 204. A rechargeable battery; 205. a speaker; 206. a sound box shell.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-6, the utility model provides a separable micro projection device of sound box, mainly include: a projector main body 1 and a sound box device 2. The projector main body 1 is provided with a shell which is arranged in a step shape, the middle of the shell is provided with a cavity structure used for accommodating a projection optical machine system, a projection control module 101 and a wireless audio transmitting module 104, a platform used for placing a sound box device 2 is arranged on the side face of the cavity structure, and a connecting socket 101 is arranged on the upper surface of the platform. The projection optical mechanical system, the connection socket 101 and the wireless audio transmitting module 104 are electrically connected to the projection control module 102, and the projection control module 102 controls the projection optical mechanical system to release pictures on one hand and controls the wireless audio transmitting module 104 to transmit audio data on the other hand.
The utility model discloses in, projection optical-mechanical system mainly includes optical engine 1031, camera lens 1032 and optical-mechanical system radiator 1033. The projection control module 102 is disposed on the projection control circuit board, and is connected to the projection optical-mechanical system, the connection socket 101, and the wireless audio transmitting module 104 through the projection control circuit board.
Specifically, the projection output port of the projection control module 102 is connected to the input port of the optical engine 1031. The projection control module 102 has a first communication port connected to the connection socket 101, and a second communication port connected to the wireless audio transmission module 104. The projection control module 102 determines the connection state of the speaker device by detecting the connection signal of the connection socket 101. When the speaker device is electrically connected to the projector body, that is, the connection socket 101 is connected to the connection plug 201, the projection main control module 102 transmits the audio signal to the speaker device 2 through the connection socket 101 and the connection plug 201. When the sound box device 2 is wirelessly connected to the projector main body 1, that is, the connection plug 101 is not connected to the connection plug 201 in an assembled manner, the projection main control module 102 transmits the audio signal to the sound box device 2 through the wireless audio transmitting module 104 and the wireless audio receiving module 203.
Preferably, when the sound box device 2 is electrically connected to the projector main body 1, that is, the connection socket 101 and the connection plug 201 are connected in combination, the projector main body charges the rechargeable battery in the sound box device through the connection socket and the connection plug. That is to say, the transmission link constructed by connecting the socket 101 and the connecting plug 201 serves as a multiplexing link, and can be used for transmitting audio signals on one hand and charging on the other hand.
In addition, the projector main body is also provided with an interface connected with the projection control module, and the interface used for interacting multimedia data with an external system comprises at least one of a USB interface, an HDMI interface, a TF card slot or a DC interface.
As a preferred embodiment of the present invention, the wireless audio transmitting module 104 can adopt 2.4G or 5G audio transmitting module, such as model: DWHP83. Standard bluetooth modules (the same as those of the mobile phone) can also be used, and any brands and models capable of realizing the transmission function can be adopted. The projection master control module 102 may be implemented using a variety of chip components, preferably a BES2500 chip.
The speaker device has a speaker housing 206 for accommodating a speaker 205, a sound control module 202, a rechargeable battery 204, and a wireless audio receiving module 203. The lower surface of the sound box shell 206 is provided with a connecting plug 201. The speaker 205, the connection plug 201, the rechargeable battery 204, and the wireless audio receiving module 203 are electrically connected to the sound control module 202, and the sound control module 202 receives audio data through the wireless audio receiving module 203 on one hand and controls the speaker 205 to play the audio data on the other hand.
In the utility model, the micro projection device comprises two sound box devices 2 which are symmetrically arranged at the left and the right and have the same structure; accordingly, two connection sockets 101 are provided on the projector main body 1. The sound control module 202 is arranged on the sound control circuit board and is connected with the loudspeaker 205, the connecting plug 201, the rechargeable battery 204 and the wireless audio receiving module 203 through the sound control circuit board.
Specifically, an audio output port of the sound control module 202 is connected to an input port of the speaker 205. The sound control module 202 has a first communication port connected to the connection plug 201 and a second communication port connected to the wireless audio receiving module 203. The sound control module 202 determines the connection state with the projector main body 1 by detecting the connection signal of the connection plug 201. When the speaker device is electrically connected to the projector body, that is, the connection socket 101 is connected to the connection plug 201 in a combined manner, the sound control module 202 receives audio data through the first communication port. When the sound box device 2 is wirelessly connected to the projector main body 1, that is, the connection socket 101 and the connection plug 201 are not connected in combination, the sound control module 202 receives audio data through the second communication port.
Preferably, the utility model discloses in every audio amplifier device has two speakers to guarantee to have the broadcast effect of stereo effect.
As a preferred embodiment of the present invention, the wireless audio receiving module 203 can use 2.4G or 5G audio receiving module, such as model: DWHP83. Standard bluetooth modules (the same as those of the mobile phone) can also be used, and any brands and models capable of realizing the transmission function can be adopted. The sound control module 202 may be implemented using a variety of chip components, preferably a BES2500 chip.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A miniature projection device with a separable sound box comprises: a projector main body and a sound box device;
the projector main body is provided with a cavity structure, the cavity structure is used for accommodating a projection optical machine system and a projection control module, the projection optical machine system is electrically connected with the projection control module, and the projection control module is used for controlling the projection optical machine system to put in pictures;
the sound box device is provided with a sound box shell, the sound box shell is used for accommodating a loudspeaker, a sound control module and a rechargeable battery, the loudspeaker and the rechargeable battery are electrically connected with the sound control module, and the sound control module controls the loudspeaker to play audio data;
it is characterized in that the preparation method is characterized in that,
the inside of the cavity structure is also provided with a wireless audio transmitting module, and the projection control module controls the wireless audio transmitting module to transmit audio data; a platform is arranged on the side surface of the cavity structure, and a connecting socket is arranged on the upper surface of the platform;
a wireless audio receiving module is further arranged in the sound box shell, and the sound control module controls the wireless audio receiving module to receive audio data; the lower surface of the sound box shell is provided with a connecting plug;
the projection control module judges the connection state of the sound box device by detecting the connection signal of the connection socket; when the sound box device is electrically connected with the projector main body, the projection main control module transmits an audio signal to the sound box device through the connecting socket and the connecting plug; when the sound box device is in wireless connection with the projector main body, the projection main control module transmits the audio signals to the sound box device through the wireless audio transmitting module and the wireless audio receiving module.
2. The speaker separable micro-projection device of claim 1, wherein the micro-projection device comprises two speaker devices symmetrically arranged left and right; correspondingly, two connecting sockets are arranged on the main body shell.
3. The apparatus of claim 1, wherein when the speaker device is electrically connected to the projector body, the projector body charges a rechargeable battery in the speaker device through the connection socket and the connection plug.
4. The separable micro-projection device of claim 1, wherein the projector body further comprises an interface connected to the projection control module, and the interface comprises at least one of a USB interface, an HDMI interface, a TF card slot, or a DC interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220946927.4U CN217825174U (en) | 2022-04-22 | 2022-04-22 | Miniature projection arrangement of audio amplifier components of a whole that can function independently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220946927.4U CN217825174U (en) | 2022-04-22 | 2022-04-22 | Miniature projection arrangement of audio amplifier components of a whole that can function independently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217825174U true CN217825174U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220946927.4U Active CN217825174U (en) | 2022-04-22 | 2022-04-22 | Miniature projection arrangement of audio amplifier components of a whole that can function independently |
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| Country | Link |
|---|---|
| CN (1) | CN217825174U (en) |
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2022
- 2022-04-22 CN CN202220946927.4U patent/CN217825174U/en active Active
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