CN202120026U - Integrated projection screen provided with sound equipment - Google Patents
Integrated projection screen provided with sound equipment Download PDFInfo
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- CN202120026U CN202120026U CN 201120066744 CN201120066744U CN202120026U CN 202120026 U CN202120026 U CN 202120026U CN 201120066744 CN201120066744 CN 201120066744 CN 201120066744 U CN201120066744 U CN 201120066744U CN 202120026 U CN202120026 U CN 202120026U
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Abstract
The present utility model discloses an integrated projection screen provided with sound equipment, the projection screen is composed of a screen surface fixing body, a screen surface body, a power supply input interface, an audio frequency input unit and an audio frequency output unit. The screen surface body is fixed on the screen surface fixing body, the power supply input interface, the audio frequency input unit and the audio frequency output unit are arranged on the screen surface fixing body, and the audio frequency input unit and the audio frequency output unit are arranged inside the screen surface fixing body. In the integrated projection screen provided with the sound equipment, the projection screen is integrated with the sound equipment, the sound field effect of audio-video synchronization and accurate sound positioning can be really experienced by users, and the audio-video equipment is small in volume, small in electric consumption, and convenient for operating.
Description
Technical field:
The utility model relates to a kind of projection screen, is a kind of projection screen that is applicable to projections such as family, commercial affairs, office, teaching, amusement, and it is the projection screen that a kind of projection screen and sound system are combined into one.
Background technology:
Existing projection screen is a lot, soft projection screen, hard projection screen etc. is arranged, still; These projection screens all voiceless sound ring function, and these projection screens can only be watched the image frame on the projection screen when using its projection, and do not have sound; Can't hear the corresponding acoustics of sound and image frame, expect promptly has image that sound effect is arranged again, must increase in addition and buys power amplifier and stereo set is realized; So not only buy the increase that stereo set causes use cost, and, promptly taken the space again using on-the-spot installation stereo set and arranging signal transmssion line because of other; Influence indoor office of whole portion again, thereby brought inconvenience.General external stereo set quantity is more scattered, volume is big relatively heavier, and power consumption is also big, manipulates and move these equipment more complicated.If the outer equipment that connects of sound realizes that two kinds of inconvenience are arranged: the one, external stereo set volume is all bigger, power consumption is high, be awkward; The 2nd, if adopt be convenient to move, the little external stereo set in power saving, saving space, but do not reach the sound effect of real needs.In addition, all external power amplifiers and stereo set all are producers according to the different consumer groups, stratum and usable range environment, different purposes and the serial stereo set of producing does not exist versatility, shared property.If sound effect is realized by connecting peripheral hardware power amplifier and stereo set when using projector, projection screen; Can cause difference so because of sound equipment ornaments position; The image frame of sound field effect and screen can produce asynchrony phenomenon; Can cause the dynamic distance direction feeling of image frame and sound effect inharmonious, can let the people that vision and asynchronous sense are acoustically arranged.
Summary of the invention:
The purpose of the utility model is to overcome the deficiency of prior art; Provide a kind of projection screen and stereo set integrated; Can really reach audio-visual synchronous, the accurate sound field effect of image and sound localization, the one projection screen of the band sound equipment that the audio-visual devices volume is little, power consumption is low, easy to operate.
The purpose of the utility model can realize through following technical measures:
The one projection screen of band sound equipment; Form by curtain face fixed body, curtain face body, power input interface, audio frequency input block and audio output unit; Its act face body is fixed on act face fixed body; Curtain face fixed body is provided with power input interface, audio frequency input block and audio output unit, and audio frequency input block and audio output unit are installed in act face fixed body.
The purpose of the utility model can also realize through following technical measures:
The curtain face fixed body of the utility model is microscler box-like fixed body; But the package of curtain face body is in the microscler box-like body of curtain face fixed body; Audio frequency input block and audio output unit are installed in the inner chamber of microscler box-like body; The installation site of audio frequency input block and audio output unit circuit board does not influence act package of face body or opens, and they are mutually noninterfere between the two.The loudspeaker of audio output unit are installed in the microscler box-like body, on box body, have the sender of loudspeaker and sender to be decorated by the sound material sealing of passing through consistent with the box body appearance.
The curtain face fixed body of the utility model is the square frame-like fixed body; Curtain face body fixedly is loaded in the square box support body of act face fixed body; Audio frequency input block and audio output unit are installed in the inner chamber of the hollow that is provided with on the square box support body; The loudspeaker that are audio output unit equally are installed in the inner chamber of the hollow that is provided with on the square box support body, on the square box support body, have the sender of loudspeaker and sender to be decorated by the sound material sealing of passing through consistent with the external table of quadra.
The utility model is provided with L channel loudspeaker unit, L channel mediant trumpet unit, L channel bass horn unit, L channel casing gas port, total volume potentiometer, tone potentiometer, supper bass potentiometer, A microphone volume potentiometer, B microphone volume potentiometer, microphone reverberation potentiometer, R channel casing gas port, R channel bass horn unit, R channel mediant trumpet unit and the R channel loudspeaker unit of audio output unit in the front portion of the microscler box-like body of curtain face fixed body; Left side or right side in the microscler box-like body of curtain face fixed body are the function platform; The function platform is provided with L channel input port, R channel input port, USB input port, A microphone input jack and the B microphone input jack of audio frequency input block, and the function platform is provided with the power input interface and the sound equipment curtain power switch of power-line plug formula.
The utility model is provided with L channel loudspeaker unit, L channel mediant trumpet unit, L channel bass horn unit and the L channel casing gas port of audio output unit in the front portion of curtain face fixed body square box support body one side; Front portion at curtain face fixed body square box support body opposite side is provided with R channel casing gas port, R channel bass horn unit, R channel mediant trumpet unit and R channel loudspeaker unit; On the function platform of the bottom of curtain face fixed body square box support body setting, total volume potentiometer, tone potentiometer, supper bass potentiometer, A microphone volume potentiometer, B microphone volume potentiometer, microphone reverberation potentiometer, USB input port, A microphone input jack and B microphone input jack are arranged; Be provided with the L channel input port and the R channel input port of audio frequency input block in the bottom of curtain face fixed body square box support body, be provided with the power input interface and the sound equipment curtain power switch of power-line plug formula in the bottom of curtain face fixed body square box support body.
The utility model curtain face fixed body is provided with and mounts fixed orifice, and loudspeaker are fixed on act face fixed body through securing member.
The principle of work of the utility model is following:
At first connecting civil power 220V power supply supplies power to the one projection screen of band sound equipment; Supply power to the power amplifier prestage circuit of projection screen and the power supply of power amplifier circuit for sound frequency signal through built-in 12V power transformer, front end circuit inserts microphone and after tuning, passes to (connections) power amplifier circuit for sound frequency signal. after amplification by the output terminal of power amplifier to the loudspeaker unit sounding on the projection screen.The external unit sound signal directly inputs to power amplifier audio input port and USB port, after the decoding circuit reading of data, delivers to the power amplifier audio input channel, after amplifying circuit amplifies, connects the loudspeaker unit sounding on the projection screen by output terminal.
The utility model compared with prior art has advantage:
1, the stereo set of on projection screen, installing the user can be experienced really reaches audio-visual synchronous, the accurate sound field effect of image and sound localization.The utility model is audio-visual one, and the scope of application is extensive, and is practical; Let the user need not to buy again stereo set, saved complicated wire rod connection and running program etc., promptly saved unnecessary economic loss; Saved usage space again, increased environment space and beautified sense.The sound equipment projection screen of the utility model is simple to operate, powerful; No matter be to see CATV, appreciate hot film, meeting, sing, listen to the music etc., acoustics hommization more, tonequality is dulect; High bass is balanced, powerful, is the desirable audio-visual equipment integrating of a perfection.
2, sound effect can match in excellence or beauty with being applied to the split type professional sound equipment of different places, than external stereo set power saving, is convenient to manipulate.The utility model audio input port is complete, and attachable equipment has two of digital cables, computer, VCD, DVD, Blu-ray player, USB port, microphone jack.
3, the projection screen of the utility model carries the sound system function; The user need not to buy equipment such as power amplifier, sound equipment, loudspeaker again; Saved and walked the loaded down with trivial details of sound equipment connecting line material, also avoided influencing environmental beauty and complicated operations program etc. because of walking sound equipment connecting line material and ornaments stereo set bringing.
Description of drawings:
Fig. 1 is the structural representation (telescopic soft curtain) of the one projection screen of band sound equipment
Fig. 2 is the right view of the curtain face fixed body of the microscler box-like fixed body of Fig. 1
Fig. 3 is the structural representation (the hard curtain of square frame) of the one projection screen of band sound equipment
Fig. 4 is the electric theory diagram of the one projection screen of band sound equipment
Fig. 5 is that the circuit of the one projection screen of band sound equipment connects synoptic diagram
Embodiment:
Fig. 1, shown in 2: the one projection screen of band sound equipment, form by curtain face fixed body 1, curtain face body 3, power input interface 26, audio frequency input block and audio output unit.Its act face body 3 is fixed on act face fixed body 1, and curtain face fixed body 1 is provided with power input interface 26, audio frequency input block and audio output unit, and audio frequency input block and audio output unit are installed in act face fixed body 1.Curtain face fixed body 1 is microscler box-like fixed body, but 3 packages of curtain face body are in the microscler box-like body of curtain face fixed body 1.Be provided with L channel loudspeaker unit 5, L channel mediant trumpet unit 6, L channel bass horn unit 7, L channel casing gas port 8, total volume potentiometer 9, tone potentiometer 10, supper bass potentiometer 11, A microphone volume potentiometer 12, B microphone volume potentiometer 13, microphone reverberation potentiometer 14, R channel casing gas port 15, R channel bass horn unit 16, R channel mediant trumpet unit 17 and the R channel loudspeaker unit 18 of audio output unit in the front portion of curtain face fixed body 1 microscler box-like body; Left side or right side in curtain face fixed body 1 microscler box-like body are function platform 4; Function platform 4 is provided with L channel input port 19, R channel input port 20, USB input port 21, A microphone input jack 23 and the B microphone input jack 24 of audio frequency input block, and function platform 4 is provided with the power input interface 26 and sound equipment curtain power switch 22 of power-line plug formula.Curtain face fixed body 1 is provided with and mounts fixed orifice 2, and loudspeaker are fixed on act face fixed body 1 through securing member 25.
Shown in Figure 4: as at first to connect civil power 220V power supply and supply power to the one projection screen of band sound equipment; Supply power to the power amplifier prestage circuit of projection screen and the power supply of power amplifier circuit for sound frequency signal through built-in 12V power transformer, front end circuit inserts microphone and after tuning, passes to (connections) power amplifier circuit for sound frequency signal. after amplification by the output terminal of power amplifier to the loudspeaker unit sounding on the projection screen.The external unit sound signal directly inputs to power amplifier audio input port and USB port, after the decoding circuit reading of data, delivers to the power amplifier audio input channel, after amplifying circuit amplifies, connects the loudspeaker unit sounding on the projection screen by output terminal.
Shown in Figure 5: microphone prestage circuit board 27 is provided with 220V and becomes 12 supply transformers 29; Supply transformer 29 is microphone prestage circuit board 27 and 28 power supplies of sound signal power amplification circuit board; Prestage circuit 12V voltage output end 30 links to each other with audio power amplifying circuit 12V power input 31; Microphone signal output terminal front end circuit 32 links to each other with microphone signal input end power amplification circuit 33; Sound signal power amplification circuit board 28 is provided with left and right sound channels audio signal input end (audio power amplifying circuit) 34 and (connects the loudspeaker list with left and right sound channels audio power amplification output terminal;) 35 and USB port input 21, total volume potentiometer 9, tone potentiometer 10 and supper bass potentiometer 11, microphone prestage circuit board 27 is provided with A microphone input jack 23, B microphone input jack 24, A microphone volume potentiometer 12, B microphone volume potentiometer 13 and microphone reverberation potentiometer 14.
Shown in Figure 3: the one projection screen of band sound equipment; Form by curtain face fixed body 1, curtain face body 3, power input interface 26, audio frequency input block and audio output unit; Curtain face body 3 is fixed on act face fixed body 1; Curtain face fixed body 1 is provided with power input interface 26, audio frequency input block and audio output unit, and audio frequency input block and audio output unit are installed in act face fixed body 1.Curtain face fixed body 1 is the square frame-like fixed body, and curtain face body 3 fixedly is loaded in the square box support body of act face fixed body 1, and audio frequency input block and audio output unit are installed in the inner chamber of the hollow that is provided with on the square box support body.Be provided with L channel loudspeaker unit 5, L channel mediant trumpet unit 6, L channel bass horn unit 7 and the L channel casing gas port 8 of audio output unit in the front portion of curtain face fixed body 1 square box support body one side; Be provided with R channel casing gas port 15, R channel bass horn unit 16, R channel mediant trumpet unit 17 and R channel loudspeaker unit 18 in the front portion of curtain face fixed body 1 square box support body opposite side; Total volume potentiometer 9, tone potentiometer 10, supper bass potentiometer 11, A microphone volume potentiometer 12, B microphone volume potentiometer 13, microphone reverberation potentiometer 14, USB input port 21, A microphone input jack 23 and B microphone input jack 24 are arranged on the function platform 4 that is provided with in the bottom of curtain face fixed body 1 square box support body; Be provided with the L channel input port 19 and R channel input port 20 of audio frequency input block in the bottom of curtain face fixed body 1 square box support body, be provided with the power input interface 26 and sound equipment curtain power switch 22 of power-line plug formula in the bottom of curtain face fixed body 1 square box support body.Curtain face fixed body 1 is provided with and mounts fixed orifice 2, and loudspeaker are fixed on act face fixed body 1 through securing member 25.
Claims (6)
1. be with the one projection screen of sound equipment; Form by curtain face fixed body (1), curtain face body (3), power input interface (26), audio frequency input block and audio output unit; It is characterized in that: curtain face body (3) is fixed on act face fixed body (1); Curtain face fixed body (1) is provided with power input interface (26), audio frequency input block and audio output unit, and audio frequency input block and audio output unit are installed in act face fixed body (1).
2. the one projection screen of band sound equipment according to claim 1 is characterized in that: a curtain face fixed body (1) be microscler box-like fixed body, act face body (3) but package in the microscler box-like body of curtain face fixed body (1).
3. the one projection screen of band sound equipment according to claim 1; It is characterized in that: curtain face fixed body (1) is the square frame-like fixed body; Curtain face body (3) fixedly is loaded in act square box support body of face fixed body (1), and audio frequency input block and audio output unit are installed in the inner chamber of the hollow that is provided with on the square box support body.
4. the one projection screen of band sound equipment according to claim 2; It is characterized in that: the L channel loudspeaker unit (5), L channel mediant trumpet unit (6), L channel bass horn unit (7), L channel casing gas port (8), total volume potentiometer (9), tone potentiometer (10), supper bass potentiometer (11), A microphone volume potentiometer (12), B microphone volume potentiometer (13), microphone reverberation potentiometer (14), R channel casing gas port (15), R channel bass horn unit (16), R channel mediant trumpet unit (17) and the R channel loudspeaker unit (18) that are provided with audio output unit in the front portion of the microscler box-like body of curtain face fixed body (1); Left side or right side in the microscler box-like body of curtain face fixed body (1) are function platform (4); Function platform (4) is provided with L channel input port (19), R channel input port (20), USB input port (21), A microphone input jack (23) and the B microphone input jack (24) of audio frequency input block, and function platform (4) is provided with the power input interface (26) and the sound equipment curtain power switch (22) of power-line plug formula.
5. the one projection screen of band sound equipment according to claim 3; It is characterized in that: the L channel loudspeaker unit (5), L channel mediant trumpet unit (6), L channel bass horn unit (7) and the L channel casing gas port (8) that are provided with audio output unit in the front portion of curtain face fixed body (1) square box support body one side; Front portion at curtain face fixed body (1) square box support body opposite side is provided with R channel casing gas port (15), R channel bass horn unit (16), R channel mediant trumpet unit (17) and R channel loudspeaker unit (18); On the function platform (4) of the bottom of curtain face fixed body (1) square box support body setting, total volume potentiometer (9), tone potentiometer (10), supper bass potentiometer (11), A microphone volume potentiometer (12), B microphone volume potentiometer (13), microphone reverberation potentiometer (14), USB input port (21), A microphone input jack (23) and B microphone input jack (24) are arranged; Be provided with the L channel input port (19) and the R channel input port (20) of audio frequency input block in the bottom of curtain face fixed body (1) square box support body, be provided with the power input interface (26) and the sound equipment curtain power switch (22) of power-line plug formula in the bottom of curtain face fixed body (1) square box support body.
6. according to the one projection screen of claim 2 or 3 described band sound equipments, it is characterized in that: curtain face fixed body (1) is provided with and mounts fixed orifice (2), and loudspeaker are fixed on act face fixed body (1) through securing member (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120066744 CN202120026U (en) | 2011-03-07 | 2011-03-07 | Integrated projection screen provided with sound equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120066744 CN202120026U (en) | 2011-03-07 | 2011-03-07 | Integrated projection screen provided with sound equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120026U true CN202120026U (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120066744 Expired - Fee Related CN202120026U (en) | 2011-03-07 | 2011-03-07 | Integrated projection screen provided with sound equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153100A (en) * | 2018-02-11 | 2018-06-12 | 深圳暴风统帅科技有限公司 | A kind of projection curtain device |
-
2011
- 2011-03-07 CN CN 201120066744 patent/CN202120026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153100A (en) * | 2018-02-11 | 2018-06-12 | 深圳暴风统帅科技有限公司 | A kind of projection curtain device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170927 Address after: Congtai District Fu River Street 056000 Hebei city of Handan Province, No. 2 Binhe Century Towers, room 1704 Patentee after: Hebei Green Electronic Technology Co. Ltd. Address before: 056002 No. 47, Peking University street, Handan, Hebei Patentee before: Tian Cunchao |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20180307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |