CN211209866U - 2.4G active teaching is to case - Google Patents
2.4G active teaching is to case Download PDFInfo
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- CN211209866U CN211209866U CN202020091546.3U CN202020091546U CN211209866U CN 211209866 U CN211209866 U CN 211209866U CN 202020091546 U CN202020091546 U CN 202020091546U CN 211209866 U CN211209866 U CN 211209866U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000005236 sound signal Effects 0.000 claims abstract description 17
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses an active teaching of 2.4G is to case, including the audio amplifier main part, the front end surface of audio amplifier main part is provided with first sound outlet, and the upper end of audio amplifier main part is connected with miniature audio amplifier through the moving part, and the front end surface of miniature audio amplifier is provided with the second sound outlet, through electric connection between the output of 2.4G module and the input of JF24D module, through electric connection between the output of JF24D module and the input of built-in audio processor, through electric connection between the output of built-in audio processor and the input of wireless audio transmission receiving module. The utility model discloses a 2.4G module JF 24C's transmission rate can reach 1Mbps to have functions such as quick frequency hopping, forward error correction, cyclic redundancy check, can reach reliable and stable data transmission, built-in analog audio signal backup module supports the constant voltage 100V signal input, when equipment detects the network and does not have signal input or equipment outage, automatic switch inputs the constant voltage signal, realizes the dual circuit redundancy.
Description
Technical Field
The utility model relates to an active audio amplifier technical field specifically is a 2.4G active teaching is to case.
Background
An Active Speaker (Active Speaker) is also called as an Active Speaker. Usually refers to a sound box with a power amplifier, such as a monitoring sound box, a multimedia sound box, an active ultra-low sound box, and some new home theater active sound boxes. The active sound box is internally provided with the power amplifier circuit, so that a user does not need to consider the problem of matching with the amplifier, and the active sound box is convenient to be directly driven by an audio signal with lower level. The active sound box is a sound box with a self-contained power amplifier in the sound box. The power amplifiers are specially used for pushing the loudspeaker in the sound box, and due to the special matching design, the power amplifiers can be better used for pushing the loudspeaker in the sound box, so that a user does not need to consider the power of the power amplifiers and the problems of impedance matching and the like. In addition, because the electronic frequency divider which is arranged in front of the amplifier for frequency division and each power amplifier are only responsible for amplifying a section of audio signals with frequency are arranged in the sound box, the efficiency of the amplifier can be higher and the distortion can be relatively smaller.
The current 2.4G active teaching pair box has single structure function and slower transmission rate, so that a novel 2.4G active teaching pair box is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 2.4G active teaching is to case to the 2.4G active teaching that proposes in solving above-mentioned background is to the less slow scheduling problem of case structural function singleness and transmission rate.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a 2.4G active teaching is to case, includes the audio amplifier main part, the front end surface of audio amplifier main part is provided with first sound outlet, and the upper end of audio amplifier main part is connected with miniature audio amplifier through the moving part, and the front end surface of miniature audio amplifier is provided with the second sound outlet, audio amplifier main part internally mounted has the 2.4G module, through electric connection between the output of 2.4G module and the input of JF24D module, through electric connection between the output of JF24D module and the input of built-in audio processor, through electric connection between the output of built-in audio processor and the input of wireless audio transmission receiving module.
Preferably, the output end of the wireless audio transmission and reception module is electrically connected with the input end of the audio signal stabilization module.
Preferably, the output end of the audio signal stabilizing module is electrically connected with the input end of the power amplifier module.
Preferably, the diameter of the first sound outlet is twice the diameter of the second sound outlet.
Preferably, a fixing base is installed at the bottom of the sound box main body.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the transmission rate of the JF24C module 2.4G can reach 1Mbps, the module has the functions of rapid frequency hopping, forward error correction, cyclic redundancy check and the like, stable and reliable data transmission can be achieved, an analog audio signal backup module is arranged in the module, the constant-voltage 100V signal input is supported, when the equipment detects that no signal input exists in a network or the equipment is powered off, the constant-voltage signal is automatically switched to be input, and double-line redundancy is achieved;
(2) the network audio decoding module is internally provided with a network hardware audio decoding module, supports TCP/IP, UDP and IGMP (multicast group management) protocols, realizes network transmission of audio signals with 16-bit stereo CD tone quality, is internally provided with a 2 × 10W/20W/30W (8 omega load) stereo power amplifier module, has fine tone quality and strong power, has network power selection, supports left and right channel volume and balance adjustment, is internally provided with an audio processing circuit, supports multi-channel signal amplification and sound mixing, and supports three-level audio signal priority management.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic block diagram of the present invention.
In the figure: 1. a miniature sound box; 2. a movable member; 3. a main body of the sound box; 4. a fixed base; 5. a second sound outlet; 6. a first sound outlet; 7. 2.4G module; 8. JF24D module; 9. a built-in audio processor; 10. a wireless audio transmission receiving module; 11. an audio signal stabilization module; 12. a power amplifier module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a 2.4G active teaching is to case, including audio amplifier main part 3, the front end surface of audio amplifier main part 3 is provided with first sound outlet 6, the upper end of audio amplifier main part 3 is connected with miniature audio amplifier 1 through moving part 2, the front end surface of miniature audio amplifier 1 is provided with second sound outlet 5, 3 internally mounted of audio amplifier main part has 2.4G module 7, pass through electric connection between 2.4G module 7's the output and JF24D module 8's the input, pass through electric connection between JF24D module 8's the output and the input of built-in audio processor 9, through electric connection between the output of built-in audio processor 9 and the input of wireless audio transmission receiving module 10.
Further, the output end of the wireless audio transmission and reception module 10 is electrically connected to the input end of the audio signal stabilization module 11.
Further, the output terminal of the audio signal stabilizing module 11 is electrically connected to the input terminal of the power amplifier module 12.
Further, the diameter of the first sound outlet 6 is twice the diameter of the second sound outlet 5.
Further, a fixing base 4 is installed at the bottom of the speaker main body 3.
The working principle is as follows: when in use, the 2.4G module 7 is installed in the main body 3 of the sound box, the output end of the 2.4G module 7 is electrically connected with the input end of the JF24D module 8, the output end of the JF24D module 8 is electrically connected with the input end of the built-in audio processor 9, the output end of the built-in audio processor 9 is electrically connected with the input end of the wireless audio transmission receiving module 10, the output end of the wireless audio transmission receiving module 10 is electrically connected with the input end of the audio signal stabilizing module 11, the output end of the audio signal stabilizing module 11 is electrically connected with the input end of the power amplifier module 12, the transmission rate of the JF24C through the 2.4G module can reach 1Mbps, and the functions of fast frequency hopping, forward error correction, cyclic redundancy check and the like can reach stable and reliable data transmission, the built-in analog audio signal backup module supports constant voltage 100V signal input, when the equipment detects that no signal is input in the network or the equipment is powered off, the constant-voltage signal is automatically switched to be input, double-line redundancy is realized, a stereo power amplifier module is arranged in the equipment, the tone quality is fine and smooth, the power is strong, network power selection is achieved, the volume and balance adjustment of left and right sound channels are supported, an audio processing circuit is arranged in the equipment, the amplification and sound mixing of multiple paths of signals are supported, and the priority management of three levels of audio signals is supported.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a 2.4G active teaching is to case, includes audio amplifier main part (3), its characterized in that, the front end surface of audio amplifier main part (3) is provided with first sound outlet (6), and the upper end of audio amplifier main part (3) is connected with small-size audio amplifier (1) through moving part (2), and the front end surface of small-size audio amplifier (1) is provided with second sound outlet (5), audio amplifier main part (3) internally mounted has 2.4G module (7), passes through electric connection between the output of 2.4G module (7) and the input of JF24D module (8), pass through electric connection between the output of JF24D module (8) and the input of built-in audio processor (9), pass through electric connection between the output of built-in audio processor (9) and the input of wireless audio transmission receiving module (10).
2. A 2.4G active teaching pair box according to claim 1, wherein: the output end of the wireless audio transmission and receiving module (10) is electrically connected with the input end of the audio signal stabilizing module (11).
3. A 2.4G active teaching pair box according to claim 2, wherein: the output end of the audio signal stabilizing module (11) is electrically connected with the input end of the power amplifier module (12).
4. A 2.4G active teaching pair box according to claim 1, wherein: the diameter of the first sound outlet (6) is twice that of the second sound outlet (5).
5. A 2.4G active teaching pair box according to claim 1, wherein: and a fixed base (4) is installed at the bottom of the sound box main body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020091546.3U CN211209866U (en) | 2020-01-16 | 2020-01-16 | 2.4G active teaching is to case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020091546.3U CN211209866U (en) | 2020-01-16 | 2020-01-16 | 2.4G active teaching is to case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211209866U true CN211209866U (en) | 2020-08-07 |
Family
ID=71854040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020091546.3U Expired - Fee Related CN211209866U (en) | 2020-01-16 | 2020-01-16 | 2.4G active teaching is to case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211209866U (en) |
-
2020
- 2020-01-16 CN CN202020091546.3U patent/CN211209866U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |