CN211860121U - Digital-analog compatible wireless broadcasting system - Google Patents
Digital-analog compatible wireless broadcasting system Download PDFInfo
- Publication number
- CN211860121U CN211860121U CN202020874155.9U CN202020874155U CN211860121U CN 211860121 U CN211860121 U CN 211860121U CN 202020874155 U CN202020874155 U CN 202020874155U CN 211860121 U CN211860121 U CN 211860121U
- Authority
- CN
- China
- Prior art keywords
- board
- broadcasting
- frequently
- host
- audio amplification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Circuits Of Receivers In General (AREA)
Abstract
The utility model relates to a digital-analog compatible wireless broadcasting system, which comprises a broadcasting host, wherein an installation room is arranged in the broadcasting host; still include the transmitter and report loudspeaker, install power supply system, audio amplification power amplifier board, intercom receiver board and write the board frequently in the installation room, power supply system is connected with audio amplification power amplifier board and intercom receiver board respectively, and the intercom receiver board is connected with audio amplification power amplifier board, writes frequently the board and is connected with the intercom receiver board, writes to be equipped with on the board frequently and writes the mouth frequently. The utility model discloses a wireless broadcast system is through in the transmitter transmission radio signal to the broadcast host computer with the frequency point, turn into audio signal with it after the broadcast host computer receives radio signal, the audio frequency of loudspeaker output high power is reported to the rethread, the distance that can reach is far away, the content of conveying is clear and definite, it is effectual to convey, report personnel's accessible transmitter and in time report and convey important information, the accurate of the urgent affair of being convenient for conveys, high durability and convenient use, structural design is reasonable.
Description
Technical Field
The utility model relates to a wireless broadcasting system field indicates a digital-analog compatible wireless broadcasting system very much.
Background
The stream of people at station is intensive, the safety problem is comparatively serious, the station department need make the report of safety information to the passenger and convey, the report is broadcast through report personnel handheld public address loudspeaker to the common report communication mode in the present station, the transmission distance of this kind of report mode is shorter, it is not good to convey the effect, the wired broadcasting system of some station installations, need report loudspeaker through conveying indoor control end control connection and broadcast, report personnel can't be timely, accurately convey some important information, cause the inconvenience of use.
Disclosure of Invention
The utility model provides a digital-analog compatible wireless broadcasting system for solve current broadcasting system and convey the short and inconvenient problem of use of distance.
The utility model adopts the following technical scheme:
a digital-analog compatible wireless broadcasting system comprises a broadcasting host, wherein an installation chamber is arranged in the broadcasting host, and is provided with an upper cover; still include the transmitter and report the loudspeaker, above-mentioned broadcasting host computer connects the transmitter respectively and reports the loudspeaker, install power supply system in the above-mentioned installation room, the amplified power board of audio frequency, the intercom dash receiver and write the board frequently, power supply system is connected with the amplified power board of audio frequency and intercom dash receiver respectively, the intercom dash receiver is connected with the amplified power board of audio frequency, write frequently the board and be connected with the intercom dash receiver, power supply system includes switch, power source and exchanges and change direct current conversion circuit, the amplified power board of audio frequency includes voltage stabilizing circuit, volume switch and audio amplification circuit, it writes frequently to be equipped with on the board frequently and writes the mouth.
Further, the broadcasting host is connected with a solar cell panel, a solar voltage stabilizer is arranged in the broadcasting host, the solar cell panel is connected with the solar voltage stabilizer, and the solar cell panel and the solar voltage stabilizer are respectively connected with the power supply system.
In a further improvement, a ventilation opening is arranged on the outer side wall of the broadcasting host.
In a further improvement, the outer surface layers of the broadcasting host and the broadcasting loudspeaker are coated with waterproof materials.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses a wireless broadcast system is through in the transmitter transmission radio signal to the broadcast host computer with the frequency point, turn into audio signal with it after the broadcast host computer receives radio signal, the audio frequency of loudspeaker output high power is reported to the rethread, the distance that can reach is far away, the content of conveying is clear and definite, it is effectual to convey, report personnel's accessible transmitter and in time report and convey important information, the accurate of the urgent affair of being convenient for conveys, high durability and convenient use, structural design is reasonable.
Drawings
Fig. 1 is a flow chart of the working principle of the wireless broadcasting system of the present invention.
Fig. 2 is a schematic plan view of the wireless broadcasting system of the present invention.
Fig. 3 is a schematic front view of the broadcasting host of the present invention.
Wherein the figures include the following reference numerals:
1. a broadcast host; 2. a transmitter; 3. broadcasting a loudspeaker; 4. a power supply system; 5. an audio amplification power amplifier board; 6. an interphone receiving board; 7. writing a frequency board; 8. a solar panel; 9. a solar voltage regulator; 11. an installation chamber; 12. an upper cover; 13. a vent; 41. a power switch; 42. a power interface; 71. and writing a frequency port.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1 to 3, a digital-analog compatible wireless broadcasting system includes a broadcasting host 1, an installation room 11 is provided in the broadcasting host 1, and the installation room 11 is provided with an upper cover 12; the broadcasting system comprises a broadcasting host 1, a mounting chamber 11, a power supply system 4, an audio amplification power amplification board 5, an interphone receiving board 6 and a frequency writing board 7, wherein the broadcasting host 1 is connected with the broadcasting host 2 and the broadcasting loudspeaker 3 respectively, the power supply system 4, the audio amplification power amplification board 5 and the interphone receiving board 6 are mounted in the mounting chamber 11, the interphone receiving board 6 is connected with the audio amplification power amplification board 5, the frequency writing board 7 is connected with the interphone receiving board 6, the power supply system 4 comprises a power switch 41, a power interface 42 and an alternating current-to-direct current conversion circuit, the audio amplification power amplification board 5 comprises a voltage stabilizing circuit, a volume switch and an audio amplification circuit, and the frequency writing board 7 is provided with a frequency writing port 71; the broadcasting host 1 is connected with a solar cell panel 8, a solar voltage stabilizer 9 is arranged in the broadcasting host 1, the solar cell panel 8 is connected with the solar voltage stabilizer 9, the solar cell panel 8 and the solar voltage stabilizer 9 are respectively connected with the power supply system 4, and the solar cell panel 8 can provide emergency power under the condition that the broadcasting host 1 is powered off; the outer side wall of the broadcasting host 1 is provided with the ventilation opening 13, so that the equipment is convenient to radiate heat during working, and the stability and the service life of the equipment are improved; the outer surface layers of the broadcasting host 1 and the broadcasting horn 3 are coated with waterproof materials, and can be waterproof when used outdoors.
Referring to fig. 1 to 3, a control box is installed on a support or a telegraph pole, a broadcasting host 1 is installed in the control box, the broadcasting host 1 is installed in a semi-closed manner, only a frequency writing port 71, a power switch 41, a power interface 42 and a loudspeaker connecting port are reserved, risks of misoperation, high-electricity touch and the like are avoided, and a broadcasting loudspeaker 3 is installed on the support or the telegraph pole and connected with the broadcasting host 1; the special writing frequency line is connected with a writing frequency port 71 on the writing frequency plate 7, and the broadcasting system frequency point is modified at the PC end; the power interface 42 of the broadcasting host 1 is connected, the power supply system 4 can be connected with various connection modes such as an alternating current socket, a twelve-volt direct current stabilized power supply, a fifteen-volt direct current stabilized power supply, a twelve-volt battery and a solar cell panel 8, when the power supply system 4 is connected with the audio amplification power amplification board 5 and the interphone receiving board 6, the connected alternating current needs to be converted into direct current through an alternating current-to-direct current conversion circuit, when the broadcasting host 1 is connected with 220-volt alternating current, the twelve-volt direct current stabilized power supply is arranged in the broadcasting host 1 and directly supplies power to the audio amplification power amplification board 5 and the interphone receiving board 6, and the mode can be used as conventional installation; when the broadcasting host 1 is connected with 220V alternating current, a fifteen V direct current stabilized power supply is arranged in the broadcasting host 1 and is connected with a charging circuit, the charging circuit is connected with a twelve V battery, and the twelve V battery is connected with the audio amplification power amplification board 5 and the interphone receiving board 6, so that the broadcasting host can be conveniently used in emergency when power is off; when the broadcasting host 1 is connected with the solar cell panel 8, the broadcasting host 1 is connected with the twelve-V battery and the solar voltage stabilizer 9, and the mode can be conveniently used by outdoor wide ground; the power switch 41 is turned on to start the broadcasting system of the broadcasting host 1, at this time, the transmitter 2 at the same frequency point transmits a radio signal to form a carrier signal, the interphone receiving board 6 in the broadcasting host 1 receives the carrier signal and converts the carrier signal into an audio signal, meanwhile, the interphone receiving board 6 transmits a high level to the control circuit of the audio amplification power amplification board 5, at this time, the volume switch is turned on, the audio signal enters the audio amplification circuit to be amplified after passing through the volume switch, then, the broadcasting horn 3 outputs a high-power audio, the effect of remote broadcasting transmission is realized, the interphone receiving board 6 can use numbers, DMR and DPMR interphones to be additionally installed, and the function of being compatible with DMR standard numbers and the traditional analog interphones is realized.
The utility model discloses a wireless broadcast system is through in the transmitter 2 transmission radio signal to the broadcast host computer 1 with the frequency point, 1 receives behind the radio signal and turns into audio signal with it, the audio frequency of 3 output high powers of loudspeaker are reported to the rethread, the distance that can reach is far away, the content of conveying is clear and definite, it is effectual to convey, reporter accessible transmitter 2 is reported in time and is conveyed important information, the accurate of the urgent affair of being convenient for conveys, high durability and convenient use, and structural design is reasonable.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (4)
1. A digital-analog compatible wireless broadcasting system comprises a broadcasting host, wherein an installation chamber is arranged in the broadcasting host, and is provided with an upper cover; the method is characterized in that: still include the transmitter and report the loudspeaker, the broadcast host computer connects the transmitter respectively and reports the loudspeaker, install power supply system, audio amplification power amplifier board, intercom dash receiver and write the board frequently in the installation room, power supply system is connected with audio amplification power amplifier board and intercom dash receiver respectively, the intercom dash receiver is connected with audio amplification power amplifier board, write frequently the board and be connected with the intercom dash receiver, power supply system includes switch, power source and exchanges and change direct current conversion circuit, audio amplification power amplifier board includes voltage stabilizing circuit, volume switch and audio amplification circuit, it writes frequently to be equipped with on the board frequently and writes the mouth.
2. A digital-to-analog compatible radio broadcasting system as claimed in claim 1, characterized in that: the broadcasting host is connected with a solar cell panel, a solar voltage stabilizer is arranged in the broadcasting host, the solar cell panel is connected with the solar voltage stabilizer, and the solar cell panel and the solar voltage stabilizer are respectively connected with the power supply system.
3. A digital-to-analog compatible radio broadcasting system as claimed in claim 1, characterized in that: and a ventilation opening is formed in the outer side wall of the broadcasting host.
4. A digital-to-analog compatible radio broadcasting system as claimed in claim 1, characterized in that: waterproof materials are coated on the outer surface layers of the broadcasting host and the broadcasting loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874155.9U CN211860121U (en) | 2020-05-22 | 2020-05-22 | Digital-analog compatible wireless broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874155.9U CN211860121U (en) | 2020-05-22 | 2020-05-22 | Digital-analog compatible wireless broadcasting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211860121U true CN211860121U (en) | 2020-11-03 |
Family
ID=73236225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020874155.9U Active CN211860121U (en) | 2020-05-22 | 2020-05-22 | Digital-analog compatible wireless broadcasting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211860121U (en) |
-
2020
- 2020-05-22 CN CN202020874155.9U patent/CN211860121U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103166726B (en) | Integral broadcast early warning device based on wireless communication, broadcast early warning system and host | |
| CN211860121U (en) | Digital-analog compatible wireless broadcasting system | |
| CN201171235Y (en) | Wireless charging type broadcast sound box | |
| CN105427554A (en) | Intelligent early warning broadcast control system with alarm indication function | |
| CN208210192U (en) | Intelligent sound system | |
| CN201499212U (en) | Television with function of wireless electronic doorbell | |
| CN206249511U (en) | Inductive lighting device with anti-theft alarm function | |
| CN215186771U (en) | Intelligent visual emergency broadcasting system | |
| CN208987168U (en) | A kind of multi-functional combination type power amplifier | |
| CN205945762U (en) | Solar energy alarm broadcast terminal and distributed solar energy alarm broadcasting system | |
| CN202050418U (en) | Broadcasting extension of train passenger compartment | |
| CN202748927U (en) | Self-power generation type remote controller and wireless remote control lamp system | |
| CN207403602U (en) | A kind of wired charging system of lifting cross sliding type mechanical parking equipment | |
| CN206388482U (en) | A kind of solar energy electronic information indicator | |
| CN206251282U (en) | A kind of studio broadcast intercom | |
| CN105656581A (en) | Intelligent early-warning broadcasting control system suitable for encrypted information | |
| CN201663689U (en) | Wireless environmental protection public broadcasting system | |
| CN201947372U (en) | Portable digital television transmission system | |
| CN217116105U (en) | Integrated emergency broadcasting system and portable equipment | |
| CN214410270U (en) | Intelligent switch panel | |
| CN217950467U (en) | Remote control device for side complete set coal mining equipment | |
| CN214045132U (en) | Carry on wireless high definition digtal camera who fills with intelligent AI audio amplifier | |
| CN111435857A (en) | Civil air defense alarm system based on IP network broadcasting | |
| CN211506667U (en) | Wireless doorbell | |
| CN208273218U (en) | A kind of Baffle Box of Bluetooth device being able to achieve wireless charging automatic control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |