CN217085504U - Projector with microphone function - Google Patents
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- CN217085504U CN217085504U CN202220518760.1U CN202220518760U CN217085504U CN 217085504 U CN217085504 U CN 217085504U CN 202220518760 U CN202220518760 U CN 202220518760U CN 217085504 U CN217085504 U CN 217085504U
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Abstract
The utility model relates to a take projecting apparatus of microphone function, which comprises a housin, MCU control module is equipped with in the casing, the projecting apparatus, microphone module and audio amplifier module, MCU control module is used for controlling the projecting apparatus, the work of audio amplifier module and microphone module, the projecting apparatus electricity is connected in MCU control module, the projecting apparatus is used for receiving audio signal or the image signal of computer end or data end output, and with video or image projection to the screen, the microphone module is used for connecting the analog audio signal of microphone equipment in order to receive microphone equipment output, the audio amplifier module includes a plurality of loudspeaker, the audio amplifier module is coupled in MCU control module, loudspeaker are used for playing the sound of microphone equipment and the video sound of projecting apparatus projection broadcast. The application has the effect that makes the projecting apparatus have the microphone function, increases the practicality of projecting apparatus, improves user's use and experiences.
Description
Technical Field
The application relates to the technical field of projectors, in particular to a projector with a microphone function.
Background
With the development of the times, the application of electronic instruments is more and more extensive, in daily life, a projector is an electronic instrument which is often used by people, the projector is a device which projects or reflects images or videos to a screen through digital light processing or LCD liquid crystal imaging technology, and can be connected with different signal sources, such as computers, VCDs, DVDs, BDs, game machines and DV lamps, through different interfaces to input corresponding images and video signals to realize playing.
Most of the existing projectors are applied to the enterprise industry and the education industry, users use the projectors to share various image information, when the projectors are used, the existing projectors lack microphone functions, when the users want to explain projected images, the users need to prepare microphone equipment additionally, therefore, the users need to purchase one set of microphone equipment, the use cost of the users is increased, and the connection of multiple devices easily causes inconvenient use experience for the users, so that certain improvement space exists.
SUMMERY OF THE UTILITY MODEL
In order to make the projecting apparatus have the microphone function, increase the practicality of projecting apparatus, improve user's use and experience, this application provides a take projecting apparatus of microphone function.
The application provides a take projecting apparatus of microphone function adopts following technical scheme:
a projector with a microphone function comprises a shell, wherein an MCU control module, a projector, a microphone module and a sound box module are arranged in the shell;
the MCU control module is used for controlling the work of the projector, the sound box module and the microphone module;
the projector is electrically connected with the MCU control module and is used for receiving audio signals or image signals output by the computer end or the data end and projecting videos or images onto the screen;
the microphone module comprises a microphone receiving submodule and a preamplifier, the microphone receiving submodule is used for connecting the microphone equipment to receive an audio signal output by the microphone equipment, the input end of the preamplifier is coupled with the microphone receiving submodule, the output end of the preamplifier is coupled with the MCU control module, and the preamplifier is used for converting and amplifying the audio signal output by the microphone equipment into a digital audio signal and outputting the digital audio signal to the MCU control module;
the sound box module comprises a plurality of loudspeakers, the sound box module is coupled to the MCU control module, and the loudspeakers are used for playing sound of the microphone device and sound of a video projected and played by the projector;
and a projector lens hole is formed in the surface of the shell.
By adopting the technical scheme, when the projector is used, the projector receives the video signal or the image signal output by the computer end, video or image information is projected to a screen through a projector lens hole on the shell, a microphone receiving submodule of the microphone module can be connected with the microphone device and receive audio signals output by the microphone device, the audio signals output by the microphone device are converted and amplified through a preamplifier to form digital audio signals, and export to MCU control module, MCU control module exports the audio signal of the microphone audio signal of microphone module output and the video audio signal of projecting apparatus projection to the audio amplifier module, and audio amplifier module broadcast microphone sound and video projection broadcast sound make the projecting apparatus maintain original projection function and still increase there is the microphone function, increase the functionality of projecting apparatus, improve the practicality of projecting apparatus.
Optionally, a keypad is arranged on the top panel of the casing, and a function key module is arranged on the keypad and coupled to the MCU control module.
Through adopting above-mentioned technical scheme, the user is through the function button module on the operation keypad, and function button module generates key signal and exports to MCU control module, and when MCU control module received key signal, output control instruction to projecting apparatus and audio amplifier module, make the user can be through the projection effect of function button module adjustment projecting apparatus and the sound broadcast effect of audio amplifier module, make the use easy operation of projecting apparatus convenient.
Optionally, the top panel of the casing is recessed with an accommodating groove, and the accommodating groove is located on one side of the key sheet.
Through adopting above-mentioned technical scheme, through being provided with the holding tank, can be convenient for deposit like articles such as remote controller, improve the practicality of projecting apparatus.
Optionally, including projection room and audio amplifier room in the casing, projecting apparatus fixed mounting is in the projection room, loudspeaker fixed mounting is in the audio amplifier room, be fixed with the bradyseism board between projection room and the audio amplifier room.
Through adopting above-mentioned technical scheme, through with projecting apparatus and loudspeaker layering design, and fixedly connected with bradyseism board between projection room and the audio amplifier room, can prevent that the vibration that loudspeaker produced when sound broadcast from influencing the projection effect of projecting apparatus.
Optionally, a plurality of heat dissipation holes which are uniformly distributed and a plurality of sound transmission holes which are uniformly distributed are formed in the surface of the shell.
Through adopting above-mentioned technical scheme, the long-time work of projecting apparatus can produce the heat, through having seted up the louvre, can dispel the heat that the projecting apparatus during operation produced through the louvre, prevents that projecting apparatus operating temperature is too high and damage, prolongs the life of projecting apparatus, through having seted up sound through hole, makes the sound broadcast effect of loudspeaker better, improves user's use and experiences.
Optionally, the housing is recessed with notches on opposite sides of two opposite outer surfaces.
Through adopting above-mentioned technical scheme, through sunken breach, make the user can lift up the projecting apparatus through the breach, the user of being convenient for lifts up transport projecting apparatus.
Optionally, the notch extends along the horizontal direction, and two opposite inner surfaces of the notch are arranged in an arc surface.
Through adopting above-mentioned technical scheme, the breach extends along the horizontal direction of casing, increases the area of the internal surface of breach, and then the lifting surface area when the increase user lifts up the projecting apparatus, and simultaneously, two relative internal surfaces of breach are the arc surface setting, make the user more convenient and firm when lifting up the projecting apparatus.
Optionally, an interface board is disposed on a surface of the housing opposite to the direction of the lens hole of the projector, an interface module is disposed on the interface board, the interface module includes a plurality of interfaces, and the interface module is configured to connect the projector and the projection device to receive a video or image signal and transmit the video or image signal to the projector.
By adopting the technical scheme, the interface module is arranged, so that the projector can receive video or image signals of electronic equipment such as computers and mobile phones and project video or image information, and the projector can be connected with various devices on the market through various interfaces in the interface module, thereby improving the applicability of the projector.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the projector, the microphone module and the loudspeaker box module are integrated in the shell, so that the projector has a microphone function besides the original projection function, a microphone receiving submodule of the microphone module can be connected with microphone equipment and receive an analog audio signal output by the microphone equipment, the analog audio signal output by the microphone equipment is converted and amplified through a preamplifier to form a digital audio signal and is output to an MCU control module, the MCU control module outputs the microphone audio signal output by the microphone module and an audio signal of projection video of the projector to the loudspeaker box module, the loudspeaker box module plays microphone sound and video projection playing sound, the functionality of the projector is improved, and the practicability of the projector is improved;
2. the user can adjust the projection effect of the projector and the sound playing effect of the sound box module through the function key module, so that the use and operation of the projector are simple and convenient;
3. the top panel of the projector shell is provided with the accommodating groove, so that articles such as a remote controller and the like can be conveniently stored, and the practicability of the projector is improved;
4. the radiating holes are formed, so that heat generated by the projector during working can be radiated through the radiating holes, the projector is prevented from being damaged due to overhigh working temperature, the service life of the projector is prolonged, the sound playing effect of the loudspeaker is better through the sound transmission holes, and the use experience of a user is improved;
5. the relative both sides that two relative surfaces of casing arrived are sunken to have the breach, and the breach extends along the horizontal direction of casing, and the area of the internal surface of increase breach, and then the lifting surface area when the increase user lifts up the projecting apparatus, and two relative internal surfaces of breach are the arc surface setting, make the user more convenient and firm when lifting up the projecting apparatus.
Drawings
Fig. 1 is a structural diagram of a projector with a microphone function according to an embodiment of the present application.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a rear view of a projector with a microphone function according to an embodiment of the present application.
Fig. 4 is a cross-sectional view of a projector with a microphone function according to an embodiment of the present application.
Fig. 5 is a circuit block diagram of a projector with a microphone function according to an embodiment of the present application.
Description of reference numerals: 1. a housing; 11. a notch; 12. a projection chamber; 13. a speaker chamber; 14. a cushioning plate; 15. a key sheet; 151. a function key module; 16. accommodating grooves; 17. an interface board; 2. an MCU control module; 3. a projector; 4. a microphone module; 41. a microphone receiving submodule; 42. a preamplifier; 5. a sound box module; 51. a horn; 6. heat dissipation holes; 7. a sound transmission hole; 8. a projector lens aperture.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a projector with a microphone function.
Referring to fig. 1 and 2, a take projecting apparatus of microphone function includes casing 1, and casing 1's top panel has been seted up keypad 15 and has been sunken to casing 1 inside and have holding tank 16, and a plurality of evenly distributed's louvre 6 has been seted up to the relative both sides of two relative surfaces of casing 1, and projecting apparatus camera lens hole 8 and a plurality of evenly distributed's sound through hole 7 have been seted up to casing 1's preceding surface, and a plurality of evenly distributed's sound through hole 7 is located the below in camera lens hole.
The relative both sides of two relative surfaces of casing 1 are sunken to have breach 11, and breach 11 is located the below of louvre 6, and breach 11 extends along casing 1's horizontal direction, and two relative internal surfaces of breach 11 are the arc surface setting, and in this embodiment, two relative internal surfaces of breach 11 can be the dull polish material.
Referring to fig. 3, an interface board 17 is installed on a surface of the housing 1 opposite to the direction of the projector lens hole 8, and an interface module is installed on the interface board 17, and the interface module includes a plurality of interfaces for connecting the projector 3 to a projection device, such as a computer, a mobile phone, and the like.
Referring to fig. 4 and 5, the circuit inside the case 1 includes an MCU control module 2, a projector 3, a microphone module 4, a speaker module 5, and a function key module 151. The microphone module 4 includes a microphone receiving sub-module 41 and a preamplifier 42, the microphone receiving sub-module 41 is used for receiving an analog audio signal output by the microphone device, an input end of the preamplifier 42 is coupled to the microphone receiving sub-module 41 to input the analog audio signal, an output end of the preamplifier 42 is coupled to the MCU control module 2, the speaker module 5 includes two speakers 51, and the speaker module 5 is coupled to the MCU control module 2 to receive the microphone audio signal output by the microphone module 4. The projector 3 is electrically connected with the MCU control module 2, the projector 3 is used for receiving audio signals or image signals output by equipment needing projection,
specifically, when the user uses the microphone device, the microphone device outputs a microphone audio signal to the MCU control module 2, when the projector 3 receives a video signal, the projector 3 outputs the video audio signal to the MCU control module 2, the MCU control module 2 outputs the audio signal to the speaker module 5, and the speaker 51 of the speaker module 5 plays sound.
The function key module 151 includes a plurality of keys with different functions, the function key module 151 is coupled to the MCU control module 2, when a user operates the function key, the function key module 151 forms a key signal to output to the MCU control module 2, and the MCU control module 2 forms a control command according to the key signal and outputs to the projector 3 and the audio box module 5.
The inside projection room 12 and the audio amplifier room 13 that are provided with of casing 1, projection room 12 are located audio amplifier room 13 top, and projecting apparatus 3 fixed mounting is in projection room 12, and loudspeaker 51 fixed mounting is in audio amplifier room 13, and fixed mounting has bradyseism board 14 between projection room 12 and the audio amplifier room 13. Specifically, the vibration damping plate 14 can damp the influence of the vibration generated when the speaker 51 plays the sound on the projection effect of the projector 3.
The implementation principle of the projector with the microphone function in the embodiment of the application is as follows:
the projector 3 is electrically connected with a device to be projected through an interface module on the interface board 17, and the projector 3 receives a video signal or an image signal through the interface module on the interface board 17, and projects the video or image information onto a screen through the projector lens hole 8 on the housing 1.
The microphone receiving submodule 41 of the microphone module 4 can be connected with a microphone device and receive an audio signal output by the microphone device, the audio signal output by the microphone device is converted and amplified through the preamplifier 42 to form a digital audio signal, the digital audio signal is output to the MCU control module 2, the MCU control module 2 outputs the audio signal to the sound box module 5, and the speaker 51 of the sound box module 5 plays sound; when the projector 3 projects a video, the projector 3 outputs an audio signal in the video to the MCU control module 2, the MCU control module 2 outputs the audio signal to the speaker module 5, and the speaker 51 of the speaker module 5 plays a video sound.
When the projector 3 needs to be adjusted, the user operates the function key module 151 on the key board 15, the function key module 151 generates a key signal and outputs the key signal to the MCU control module 2, and when the MCU control module 2 receives the key signal, the control instruction is output to the projector 3 and the audio box module 5, so as to adjust the projection effect of the projector 3 and the audio playing effect of the audio box module 5.
In the embodiment, the projector 3 generates heat after long-time operation, and the heat generated during the operation of the projector 3 can be dissipated through the heat dissipating holes 6 by forming the heat dissipating holes 6, so that the projector 3 is prevented from being damaged due to overhigh operating temperature, and the service life of the projector 3 is prolonged; the opposite sides of the two opposite outer surfaces of the housing 1 are recessed with notches 11, and a user can lift the projector 3 through the notches 11 to carry the projector 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a take projecting apparatus of microphone function which characterized in that: the device comprises a shell (1), wherein an MCU control module (2), a projector (3), a microphone module (4) and a sound box module (5) are arranged in the shell (1);
the MCU control module (2) is used for controlling the projector (3), the sound box module (5) and the microphone module (4) to work;
the projector (3) is electrically connected to the MCU control module (2), and the projector (3) is used for receiving audio signals or image signals output by a computer end or a data end and projecting videos or images onto a screen;
the microphone module (4) comprises a microphone receiving sub-module (41) and a preamplifier (42), the microphone receiving sub-module (41) is used for connecting the microphone device to receive an audio signal output by the microphone device, the input end of the preamplifier (42) is coupled to the microphone receiving sub-module (41), the output end of the preamplifier (42) is coupled to the MCU control module (2), and the preamplifier (42) is used for converting and amplifying the audio signal output by the microphone device into a digital audio signal and outputting the digital audio signal to the MCU control module (2);
the loudspeaker box module (5) comprises a plurality of loudspeakers (51), the loudspeaker box module (5) is coupled to the MCU control module (2), and the loudspeakers (51) are used for playing sound of microphone equipment and sound of a projection playing video of the projector (3);
the surface of the shell (1) is provided with a projector lens hole (8).
2. A projector with microphone function according to claim 1, characterized in that: the top panel of casing (1) is provided with keypad (15), be provided with function button module (151) on keypad (15), function button module (151) are coupled in MCU control module (2).
3. A projector with a microphone function according to claim 2, characterized in that: the top panel of casing (1) is sunken to have holding tank (16), holding tank (16) are located one side of keypad (15).
4. A projector with a microphone function according to claim 1, characterized in that: including projection room (12) and audio amplifier room (13) in casing (1), projecting apparatus (3) fixed mounting is in projection room (12), loudspeaker (51) fixed mounting is in audio amplifier room (13), be fixed with between projection room (12) and audio amplifier room (13) bradyseism board (14).
5. A projector with a microphone function according to claim 1, characterized in that: a plurality of radiating holes (6) which are uniformly distributed and a plurality of sound transmission holes (7) which are uniformly distributed are formed in the surface of the shell (1).
6. A projector with a microphone function according to claim 1, characterized in that: notches (11) are recessed on opposite sides of two opposite outer surfaces of the housing (1).
7. The projector with microphone function according to claim 6, characterized in that: the notch (11) extends along the horizontal direction, and two opposite inner surfaces of the notch (11) are arranged in an arc surface mode.
8. A projector with a microphone function according to claim 1, characterized in that: an interface board (17) is arranged on one surface of the shell (1) opposite to the direction of the projector lens hole (8), an interface module is arranged on the interface board (17), the interface module comprises a plurality of interfaces, and the interface module is used for connecting the projector (3) with projection equipment so as to receive video or image signals and transmit the video or image signals to the projector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518760.1U CN217085504U (en) | 2022-03-09 | 2022-03-09 | Projector with microphone function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518760.1U CN217085504U (en) | 2022-03-09 | 2022-03-09 | Projector with microphone function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217085504U true CN217085504U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220518760.1U Active CN217085504U (en) | 2022-03-09 | 2022-03-09 | Projector with microphone function |
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| CN (1) | CN217085504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115412800A (en) * | 2022-09-01 | 2022-11-29 | 无锡杰夫电声股份有限公司 | Waterproof dust protected audio amplifier for projecting apparatus convenient to installation |
-
2022
- 2022-03-09 CN CN202220518760.1U patent/CN217085504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115412800A (en) * | 2022-09-01 | 2022-11-29 | 无锡杰夫电声股份有限公司 | Waterproof dust protected audio amplifier for projecting apparatus convenient to installation |
| CN115412800B (en) * | 2022-09-01 | 2023-09-29 | 无锡杰夫电声股份有限公司 | Waterproof dustproof formula audio amplifier for projecting apparatus convenient to installation |
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Effective date of registration: 20230714 Address after: 511547 The third and fourth floors of the third Class C factory building of Western European Corporation, No. 6, Guangtuo Street, Guangzhou (Qingyuan) Industrial Transfer Park, Shijiao Town, Qingcheng District, Qingyuan, Guangdong Province Patentee after: Guangdong Yiheng Technology Co.,Ltd. Address before: 510000 1 of No. 233, Shenshan Avenue West, Zhongba village, Jianggao Town, Baiyun District, Guangzhou City, Guangdong Province (self declaration) Patentee before: GUANGZHOU YIHENG ELECTRONICS CO.,LTD. |
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