CN201663689U - Wireless environmental protection public broadcasting system - Google Patents
Wireless environmental protection public broadcasting system Download PDFInfo
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- CN201663689U CN201663689U CN2009202631332U CN200920263133U CN201663689U CN 201663689 U CN201663689 U CN 201663689U CN 2009202631332 U CN2009202631332 U CN 2009202631332U CN 200920263133 U CN200920263133 U CN 200920263133U CN 201663689 U CN201663689 U CN 201663689U
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 25
- 230000003321 amplification Effects 0.000 claims abstract description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000004907 flux Effects 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
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- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
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- 241000272165 Charadriidae Species 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Abstract
The utility model discloses a wireless environmental protection public broadcasting system, which comprises an audio receiving power amplification module, an audio transmitter module and a power module, wherein the audio receiving power amplification module is connected with the audio transmitter module in a wireless mode, and the power module is connected with the audio receiving power amplification module by a wire to provide electric power for the audio receiving power amplification module. The utility model solves the problem of the signal attenuation caused by a long signal wire from an audio host to a vice box, the audio signal distortion is less, and the acoustic effect is favorable. The utility model has the advantages of energy conservation, environmental protection, conservation on power wires and signal wires, simple and convenient installment, complete functions and safety. The wireless environmental protection public broadcasting system does not need to carry out wiring, and can meet requirements of different clients. The utility model is widely used in the broadcasting systems of outdoor parks, hotels, commercial buildings, supermarkets, schools, large enterprises and large public institutions.
Description
Technical field
The utility model relates to Public Address system, particularly a kind of wireless environmental protection Public Address system based on wireless environmental protection audio amplifier.
Background technology
Public Address system comprises background broadcasting, service broadcast and urgent broadcast, usually combine, its object is the public place, play background music at ordinary times or broadcast some announcement informations, when emergency takes place when, switch to urgent broadcast immediately, come command evacuating crowd and relief, the spy is sent out the loss of accident and reduce to minimum with it.The anti-terrorism of public place proposes higher requirement for the reliability of public broadcasting audio amplifier.
The public broadcasting audio amplifier is widely used in places such as outdoor park, hotel, commercial building, supermarket, school, large-scale enterprises and institutions, amusement and recreation field, arena, fair in the prior art.And traditional Public Address system wiring is complicated and trouble, and each audio amplifier of system draws power line possibly, draws audio signal wire, and these cables generally all will be packed into and imbedded underground or built on stilts installation behind the wire casing, and the construction and installation trouble is bothersome; And when adopting mains-supplied, the civil power outage, system will paralyse, and can't broadcast relevant announcement information; Signal attenuation, the acoustical quality that influence is play can appear owing to the distance between them is long in the holding wire that connects audio frequency main frame and audio amplifier.
The utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of wireless, energy-conserving and environment-protective and the good sound box system of acoustical quality.
The technical scheme that its technical problem that solves the utility model adopts is:
Wireless environmental protection Public Address system, comprise that audio frequency receives power amplifier module, audio frequency transmitter module and power module, described audio frequency receives power amplifier module and the wireless connections of audio frequency transmitter module, and power module and audio frequency receive the power amplifier module wired connection, provides electric flux for audio frequency receives power amplifier module.
Further, described audio frequency transmitter module comprises the signal mixed cell, and the output of described signal mixed cell is connected with the radio-frequency (RF) power amplification unit.
Further, described audio frequency receives power amplifier module and includes radio receiving unit, the output of described radio receiving unit is connected with audio frequency reduction unit and reduction of data unit, the output of audio frequency reduction unit is connected with audio power amplifier unit, the output of audio power amplifier unit is connected with loud speaker, the output of reduction of data unit is connected with logic control element, and the output of logic control element is connected to the input of audio power amplifier unit.
Further, described logic control element comprises that low electric weight detects control circuit and/or volume control circuit, and the output that described low electric weight detects control circuit is connected to audio power amplifier unit, and the output of described volume control circuit also is connected to audio power amplifier unit.
Further, described power module is solar-electricity source module and/or wind energy power module.
Further, described solar-electricity source module comprises solar panel, the output of described solar panel is connected with energy control unit, the output of described energy control unit is connected with storage battery, the output of described storage battery is connected with power conversion unit, and described power conversion unit receives power amplifier module with audio frequency and is connected.
Further, described solar-electricity source module comprises a solar panel, and described solar panel tilts to fixedly mount towards the Due South or the positive north.
Further, described solar-electricity source module comprises at least two solar panels, and a described solar panel tiltedly fixedly mounts towards the due east square neck, and another piece solar panel tilts to fixedly mount towards positive west.
Further, described wind energy power module comprises wind-driven generator, the output of described wind-driven generator is connected with energy control unit, the output of described energy control unit is connected with storage battery, the output of described storage battery is connected with power conversion unit, and described power conversion unit receives power amplifier module with audio frequency and is connected.
Further, audio frequency receives power amplifier module and power module is connected with lightning arrester, and the environmental protection audio amplifier is equipped with lightning rod.
The beneficial effects of the utility model are: wireless environmental protection Public Address system is because the transmitting terminal and the receiving terminal of audio signal and control data signal are wireless connections, save holding wire, solved because the long problem of signal attenuation that causes of distance of the holding wire of audio frequency main frame and audio amplifier, the audio signal distortion is few, and acoustical quality is good; Owing to adopt eco-friendly power sources such as solar energy and/or wind energy, not only energy-conserving and environment-protective, and saved power line, install simple and convenient, the wiring of need not constructing; Because the eco-friendly power source that wireless environmental protection Public Address system adopts, civil power outage back sound box system can also continue operate as normal, plays useful announcement information; The low electric weight of storage battery detects control and volume control makes wireless environmental protection Public Address system complete function, safety, satisfies the needs of different user.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the system block diagram of the utility model embodiment;
Fig. 2 is the block diagram of the utility model embodiment audio frequency transmitter module;
Fig. 3 is the block diagram that the utility model embodiment audio frequency receives power amplifier module;
Fig. 4 is the block diagram of the utility model embodiment solar-electricity source module;
Fig. 5 is the block diagram of the utility model embodiment wind energy power module;
Fig. 6 is the utility model specific embodiment signal circulation block diagram.
Embodiment
With reference to Fig. 1, wireless environmental protection Public Address system, comprise that audio frequency receives power amplifier module 1, audio frequency transmitter module 2 and power module 3, described audio frequency receives power amplifier module 1 and 2 wireless connections of audio frequency transmitter module, power module 3 receives power amplifier module 1 wired connection with audio frequency, provides electric flux for audio frequency receives power amplifier module 1.As long as in transmission range, the signal of a transmitter emission can have numerous wireless environmental protection audio amplifier to go to receive, and every transmitter can launch many cover audio programs, and the different audio amplifier of may command, to receive different audio programs, start and close, adjusting volume.
With reference to Fig. 2, described audio frequency transmitter module 2 comprises signal mixed cell 4, and the output of described signal mixed cell 4 is connected with radio-frequency (RF) power amplification unit 5.
With reference to Fig. 3, described audio frequency receives power amplifier module 1 and includes radio receiving unit 6, the output of described radio receiving unit 6 is connected with audio frequency reduction unit 7 and reduction of data unit 10, the output of audio frequency reduction unit 7 is connected with audio power amplifier unit 8, the output of audio power amplifier unit 8 is connected with loud speaker 9, the output of reduction of data unit 10 is connected with logic control element 11, and the output of logic control element 11 is connected to the input of audio power amplifier unit 8.
Further, eco-friendly power source comprises wind energy, solar energy, and when the user conveniently used mains-supplied, also available civil power was powered by power supply adaptor, can reduce equipment cost.
Further, described power module 3 is solar-electricity source module and/or wind energy power module.
With reference to Fig. 4, described solar-electricity source module comprises solar panel 12, the output of described solar panel 12 is connected with energy control unit 13, the output of described energy control unit 13 is connected with storage battery 14, the output of described storage battery 14 is connected with power conversion unit 15, and described power conversion unit 15 receives power amplifier module 1 with audio frequency and is connected.
Further, described solar-electricity source module comprises a solar panel, and described solar panel tilts to fixedly mount towards the Due South or the positive north.For area, the Northern Hemisphere, this part solar panel tilts to fixedly mount towards Due South; And for area, the Southern Hemisphere, this part solar panel tilts to fixedly mount towards the positive north.The downward-sloping 10-20 degree of cell panel in the present embodiment is not easy to assemble dust and the actual effect of using of foreign material influence on it so that allow.Use and whether to have the foreign material such as leaf that drop to cover in above the running check cell panel in the many places of trees, the cleaning above keeping.
Further, described solar-electricity source module comprises at least two solar panels, and a described solar panel tiltedly fixedly mounts towards the due east square neck, and another piece solar panel tilts to fixedly mount towards positive west.Some is not that very spacious place (in the south and north is stopped by trees or building) needs adopt the scheme of two solar panels, two batteries are respectively towards the thing two sides, the morning, the sun comes up in the east, cell panel in the east can fully absorb sunlight to built-in battery charge, noon, the sun was in the top, two cell panels are simultaneously with maximal efficiency work, and to time afternoon, the cell panel in west can absorb sunlight again fully.System reaches a whole day and efficiently utilizes the effect of sunlight.
With reference to Fig. 5, described wind energy power module comprises wind-driven generator 16, the output of described wind-driven generator 16 is connected with energy control unit 13, the output of described energy control unit 13 is connected with storage battery 14, the output of described storage battery 14 is connected with power conversion unit 15, and described power conversion unit 15 receives power amplifier module 1 with audio frequency and is connected.
Further, described logic control element comprises that low electric weight detects control circuit and/or volume control circuit, and the output that described low electric weight detects control circuit is connected to audio power amplifier unit, and the output of described volume control circuit also is connected to audio power amplifier unit.When detecting storage battery, low electric weight detection control circuit is in low state of charge, when internal battery voltage is lower than safe voltage, then low electric weight indicator light every flicker in 2 seconds once, simultaneity factor quits work, after returning to normal voltage, charging closes low electric weight indicator light, the system restoration operate as normal.
With reference to Fig. 6, the audio signal of audiogenic device and control data signal are input to the input of audio frequency transmitter module 2, after 4 mixing of signal mixed cell, through the radiofrequency signal of radio-frequency (RF) power amplification unit 5 processing and amplifying, go out by transmission antennas transmit at last again for suitable wireless transmission.Eco-friendly power source such as solar energy or wind energy is input to the input of power module, utilize eco-friendly power source to be charge in batteries through energy control unit, be converted to the supply voltage that is fit to 1 use of audio frequency reception power amplifier module through power conversion unit behind the charge in batteries, and be that audio frequency receives power amplifier module 1 power supply.Audio frequency reception power amplifier module 2 is reduced to audio signal by the radiofrequency signal of reception antenna and radio receiving unit 6 reception mixed transport through audio frequency reduction unit 7, and 8 amplifications are played back by loud speaker 9 audio signal at last through audio power amplifier unit; Restore control data signal through reduction of data unit 10, control data signal input logic control unit 11 carries out operations such as volume control.
Further, audio frequency receives power amplifier module 1 and power module 3 is connected with lightning arrester, and the environmental protection audio amplifier is equipped with lightning rod.
More than be that preferable enforcement of the present utility model is specified, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (10)
1. wireless environmental protection Public Address system, it is characterized in that: comprise that audio frequency receives power amplifier module (1), audio frequency transmitter module (2) and power module (3), described audio frequency receives power amplifier module (1) and audio frequency transmitter module (2) wireless connections, power module (3) receives power amplifier module (1) wired connection with audio frequency, provides electric flux for audio frequency receives power amplifier module (1).
2. wireless environmental protection Public Address system according to claim 1 is characterized in that: described audio frequency transmitter module (2) comprises signal mixed cell (4), and the output of described signal mixed cell (4) is connected with radio-frequency (RF) power amplification unit (5).
3. wireless environmental protection Public Address system according to claim 1, it is characterized in that: described audio frequency receives power amplifier module (1) and includes radio receiving unit (6), the output of described radio receiving unit (6) is connected with audio frequency reduction unit (7) and reduction of data unit (10), the output of audio frequency reduction unit (7) is connected with audio power amplifier unit (8), the output of audio power amplifier unit (8) is connected with loud speaker (9), the output of reduction of data unit (10) is connected with logic control element (11), and the output of logic control element (11) is connected to the input of audio power amplifier unit (8).
4. wireless environmental protection Public Address system according to claim 1 is characterized in that: described power module (3) is solar-electricity source module and/or wind energy power module.
5. wireless environmental protection Public Address system according to claim 4, it is characterized in that: described solar-electricity source module comprises solar panel (12), the output of described solar panel (12) is connected with energy control unit (13), the output of described energy control unit (13) is connected with storage battery (14), the output of described storage battery (14) is connected with power conversion unit (15), and described power conversion unit (15) receives power amplifier module (1) with audio frequency and is connected.
6. wireless environmental protection Public Address system according to claim 5 is characterized in that: described solar-electricity source module comprises a solar panel, and described solar panel tilts to fixedly mount towards the Due South or the positive north.
7. wireless environmental protection Public Address system according to claim 5, it is characterized in that: described solar-electricity source module comprises at least two solar panels, a described solar panel tiltedly fixedly mounts towards the due east square neck, and another piece solar panel tilts to fixedly mount towards positive west.
8. wireless environmental protection Public Address system according to claim 4, it is characterized in that: described wind energy power module comprises wind-driven generator (16), the output of described wind-driven generator (16) is connected with energy control unit (13), the output of described energy control unit (13) is connected with storage battery (14), the output of described storage battery (14) is connected with power conversion unit (15), and described power conversion unit (15) receives power amplifier module (1) with audio frequency and is connected.
9. wireless environmental protection Public Address system according to claim 3, it is characterized in that: described logic control element comprises that low electric weight detects control circuit and/or volume control circuit, the output that described low electric weight detects control circuit is connected to audio power amplifier unit, and the output of described volume control circuit also is connected to audio power amplifier unit.
10. wireless environmental protection Public Address system according to claim 1 is characterized in that: audio frequency receives power amplifier module (1) and power module (3) is connected with lightning arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202631332U CN201663689U (en) | 2009-11-20 | 2009-11-20 | Wireless environmental protection public broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202631332U CN201663689U (en) | 2009-11-20 | 2009-11-20 | Wireless environmental protection public broadcasting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663689U true CN201663689U (en) | 2010-12-01 |
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ID=43234106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202631332U Expired - Fee Related CN201663689U (en) | 2009-11-20 | 2009-11-20 | Wireless environmental protection public broadcasting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694612A (en) * | 2012-05-02 | 2012-09-26 | 广州市迪士普音响科技有限公司 | Two-wire system type break-in broadcasting system |
| CN104579716A (en) * | 2015-01-27 | 2015-04-29 | 河海大学常州校区 | Campus intelligence broadcasting system and working method thereof based on WLAN |
-
2009
- 2009-11-20 CN CN2009202631332U patent/CN201663689U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694612A (en) * | 2012-05-02 | 2012-09-26 | 广州市迪士普音响科技有限公司 | Two-wire system type break-in broadcasting system |
| CN104579716A (en) * | 2015-01-27 | 2015-04-29 | 河海大学常州校区 | Campus intelligence broadcasting system and working method thereof based on WLAN |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20181120 |