CN203407018U - Sound amplifying system of wireless automatic frequency modulation microphone - Google Patents
Sound amplifying system of wireless automatic frequency modulation microphone Download PDFInfo
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- CN203407018U CN203407018U CN201320504681.6U CN201320504681U CN203407018U CN 203407018 U CN203407018 U CN 203407018U CN 201320504681 U CN201320504681 U CN 201320504681U CN 203407018 U CN203407018 U CN 203407018U
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- microphone
- automatic frequency
- wireless automatic
- frequency adjustment
- control circuit
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Abstract
The utility model discloses a sound amplifying system of a wireless automatic frequency modulation microphone. The wireless automatic frequency modulation microphone comprises a microphone sound pickup head, a microphone pre-amplification circuit, a microphone automatic frequency modulation radio frequency module and a microphone antenna which are connected in sequence. The wireless automatic frequency modulation microphone further comprises a volume control circuit. A wireless automatic frequency adjustment receiving sound amplifier comprises a receiver antenna, a receiver automatic frequency adjustment radio frequency module, a receiver pre-amplification circuit, a power amplification circuit and a loudspeaker which are connected in sequence. The wireless automatic frequency adjustment receiving sound amplifier further comprises an ID code matching control circuit. According to the sound amplifying system, the volume of a microphone can be directly adjusted on the microphone through the volume control circuit. A user can conveniently carry out volume adjustment through a handheld microphone at any time according to the actual needs thereof. The sound amplifying system is very convenient to use, and frequencies of the wireless automatic frequency adjustment receiving sound amplifier and the wireless automatic frequency modulation microphone are adjusted automatically without the need to manually adjust communication frequencies of the microphone and the receiver.
Description
Technical field
The utility model relates to a kind of wireless microphone system, particularly a kind of wireless automatic frequency adjustment microphone loudspeaking system.
Background technology
Be widely used at present family, teaching, rally, leisure, the microphone loudspeaking system of hotel and various public places of entertainment, most by wireless microphone, receiver, power amplification circuit and loudspeaker form, the wave volume that microphone picks up normally leaves control by the volume knob on receiver or button, but, in general amusement, on teaching is used, as Karaoke, speech, teaching amplifies, by the holder of microphone, determined often size and the receiving range of microphone volume, if if microphone holder from receiver away from, need to walk close to receiver to carry out volume operation, very inconvenience during use, certainly, can be assisted by other people, but, owing to being other people in operation, be difficult to adjust to rapidly the requirement that meets user, and current microphone loudspeaking system, often when dispatching from the factory, just set the communication frequency of microphone and receiver, when user changes after microphone, need professional staff to regulate the tranmitting frequency of microphone, operating process is loaded down with trivial details, it is very inconvenient to use.
Utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of can carry out can controlling to code automatic frequency adjustment, on microphone microphone volume size, use wireless automatic frequency adjustment microphone loudspeaking system very easily.
The technical scheme that the invention for solving the technical problem adopts is:
An automatic frequency adjustment microphone loudspeaking system, is characterized in that comprising:
Wireless automatic frequency adjustment microphone, comprise the microphone cartridge, preamplifier circuit for microphone, microphone automatic frequency adjustment radio-frequency module and the microphone antenna that connect successively, also comprise the microphone battery that is used to microphone power, also comprise a volume control circuit, described volume control circuit is connected with microphone automatic frequency adjustment radio-frequency module.
Wireless automatic frequency aligning receives sound amplifier, with the wireless connections of wireless automatic frequency adjustment microphone, described wireless automatic frequency aligning receives sound amplifier and comprises receiver antenna, receiver automatic frequency aligning radio-frequency module, receiver pre-amplification circuit, power amplification circuit and the loudspeaker that connect successively, also comprise that for the ID using during to code with microphone, to code control circuit, described ID is connected with receiver automatic frequency aligning radio-frequency module code control circuit.
As above-mentioned a kind of improved procedure, described volume control circuit is the adjustable current potential device being arranged between preamplifier circuit for microphone and microphone automatic frequency adjustment radio-frequency module.
As above-mentioned another kind of improved procedure, described volume control circuit is the volume adjusting key switch being connected with microphone automatic frequency adjustment radio-frequency module.
Further, wireless automatic frequency adjustment microphone also comprises that battery control circuit, described microphone battery are connected with preamplifier circuit for microphone, volume control circuit and microphone automatic frequency adjustment radio-frequency module respectively by battery control circuit.
Further, described wireless automatic frequency adjustment microphone also comprises audio input interface and Audio conversion switch, and described audio input interface is connected with preamplifier circuit for microphone, and described Audio conversion switch is connected with microphone automatic frequency adjustment radio-frequency module.Audio input interface can connect various audio output apparatus, as computer audio frequency output interface, this design can allow microphone connect various audio output apparatus, making voice data be wirelessly transmitted to sound amplifier by microphone amplifies, solved the problem of the distant or position of sound amplifier wiring inconvenience when higher, greatly facilitate user's use, by Audio conversion switch, can in microphone modes and audio frequency output mode, switch.
Further, described wireless automatic frequency adjustment microphone also comprises that described LCD LCDs is connected with microphone automatic frequency adjustment radio-frequency module for showing the LCD LCDs of microphone state.Microphone automatic frequency adjustment radio-frequency module is by obtaining the data of the microphone states such as volume, battery electric quantity, and by LCD LCDs, demonstrate the operating state of microphone, user can know the states such as the volume, battery of current microphone by LCD LCDs, do not need to go to sound amplifier and get on to check, convenient for users to use.
Further, described wireless automatic frequency aligning receives sound amplifier and comprises receiver battery and AC circuit interface, and described receiver battery, AC circuit interface are that wireless automatic frequency aligning reception sound amplifier is powered by AC/DC control circuit.The utility model can be powered by receiver battery and alternating current, AC/DC control circuit can be controlled according to the input style of power supply the voltage of output, when using receiver battery operated, wireless automatic frequency aligning receives sound amplifier and has good mobility, when using alternating current to power, can guarantee that wireless automatic frequency aligning receives sound amplifier and works always.
Further, described ID to code control circuit be connected with receiver automatic frequency aligning radio-frequency module to code button.Describedly code button is arranged on to user oriented on the housing that wireless automatic frequency aligning receives sound amplifier uses, when user changes after microphone, by pressing code button, can allow to code button and wireless automatic frequency adjustment microphone automatic frequency adjustment to code, do not need user that frequency parameter is manually set, greatly facilitate user's use.
Further, described wireless automatic frequency adjustment microphone receives sound amplifier with wireless automatic frequency aligning and is connected by 2.4GHz radio communication, and its result of use is better.
The beneficial effects of the utility model are: a kind of wireless automatic frequency adjustment microphone loudspeaking system that the utility model adopts, wherein on wireless automatic frequency adjustment microphone, be provided with volume control circuit, can be directly on microphone the size to its volume regulate, like this, user just can pass through at any time gripped microphone and carry out volume adjusting according to the actual needs of oneself easily, use very convenient, and, wireless automatic frequency aligning receives on sound amplifier and is provided with ID to code control circuit, by this circuit and microphone automatic frequency adjustment radio-frequency module, receiver automatic frequency aligning radio-frequency module can be realized the automatic frequency aligning that wireless automatic frequency aligning receives sound amplifier and wireless automatic frequency adjustment microphone, without the communication frequency of microphone and receiver is carried out to manual adjustments, not only facilitated user to change microphone, and when dispatching from the factory, producer is without in advance the frequency of microphone and sound amplifier being carried out to adjustment, contribute to reduce production costs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is the theory diagram of wireless automatic frequency adjustment microphone the first embodiment of the utility model;
Fig. 2 is the theory diagram of wireless automatic frequency adjustment microphone the second embodiment of the utility model;
Fig. 3 is the theory diagram that the wireless automatic frequency aligning of the utility model receives sound amplifier;
Fig. 4 is the circuit theory diagrams of wireless automatic frequency adjustment microphone the first embodiment of the utility model;
Fig. 5 is the circuit theory diagrams that in wireless automatic frequency adjustment microphone the second embodiment of the utility model, volume regulating key switch is connected with microphone automatic frequency adjustment radio-frequency module;
Fig. 6 is the circuit theory diagrams of the utility model battery control circuit.
Embodiment
Shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 6, be the first embodiment of the wireless automatic frequency adjustment microphone loudspeaking of the utility model system, comprise that wireless automatic frequency adjustment microphone 1 and wireless automatic frequency aligning receive sound amplifier 2, wherein,
Wireless automatic frequency adjustment microphone 1, for receiving user's the sound convert audio signal to and be wirelessly transmitted to wireless automatic frequency aligning and receive sound amplifier 2 of speaking, described wireless automatic frequency adjustment microphone 1 comprises microphone cartridge 11, preamplifier circuit for microphone 12, volume control circuit 16, microphone automatic frequency adjustment radio-frequency module 13 and the microphone antenna 14 connecting successively, and wherein said volume control circuit 16 is adjustable current potential device.Also comprise the microphone battery 15 and the battery control circuit 17 that are used to microphone power, described microphone battery 15 is connected with preamplifier circuit for microphone 12, volume control circuit 16 and microphone automatic frequency adjustment radio-frequency module 13 respectively by battery control circuit 17.Also comprise that described LCD LCDs 10 is connected with microphone automatic frequency adjustment radio-frequency module 13 for showing the LCD LCDs 10 of microphone state.
Wireless automatic frequency aligning receives sound amplifier 2, be used for and wireless automatic frequency adjustment microphone 1 automatic frequency aligning, and reception is from the wireless audio signal of wireless automatic frequency adjustment microphone 1, finally by loudspeaker 25, amplify, described wireless automatic frequency aligning receives sound amplifier 2 and comprises the receiver antenna 21 connecting successively, receiver automatic frequency aligning radio-frequency module 22, receiver pre-amplification circuit 23, power amplification circuit 24 and loudspeaker 25, also comprise for the ID using during to code with microphone code control circuit 26, described ID is connected with receiver automatic frequency aligning radio-frequency module 22 code control circuit 26.Described ID to code control circuit 26 be connected with receiver automatic frequency aligning radio-frequency module 22 to code button.Preferably, describedly code button is arranged on to user oriented on the housing that wireless automatic frequency aligning receives sound amplifier 2 uses.
A kind of wireless automatic frequency adjustment microphone loudspeaking system that the utility model adopts, wherein on wireless automatic frequency adjustment microphone 1, be provided with volume control circuit 16, can directly twist adjustable current potential device regulates its volume on microphone, like this, user just can pass through at any time gripped microphone and carry out volume adjusting according to the actual needs of oneself easily, use very convenient, and, wireless automatic frequency aligning receives on sound amplifier 2 and is provided with ID to code control circuit 26, by this circuit and microphone automatic frequency adjustment radio-frequency module 13, receiver automatic frequency aligning radio-frequency module 22 can be realized the automatic frequency aligning that wireless automatic frequency aligning receives sound amplifier 2 and wireless automatic frequency adjustment microphone 1, when user changes after microphone, by pressing code button, can allow to code button and wireless automatic frequency adjustment microphone 1 automatic frequency adjustment to code, do not need user that frequency parameter is manually set, greatly facilitate user's use, and when dispatching from the factory, producer is without in advance the frequency of microphone and sound amplifier being carried out to adjustment, contribute to reduce production costs.
And described microphone automatic frequency adjustment radio-frequency module 13 is by obtaining the data of the microphone states such as volume, battery electric quantity, and by LCD LCDs 10, demonstrate the operating state of microphone, user can know the states such as the volume, battery of current microphone by LCD LCDs 10, do not need to go to sound amplifier and get on to check, also convenient for users to use.
Further, described wireless automatic frequency aligning receives sound amplifier 2 and comprises receiver battery 27 and AC circuit interface 28, the output of described receiver battery 27 and AC circuit interface 28 is connected with the input of AC/DC control circuit 29, and the output of described AC/DC control circuit 29 is connected with receiver automatic frequency aligning radio-frequency module 22, receiver pre-amplification circuit 23 and power amplification circuit 24 respectively.The utility model can be powered by receiver battery 27 and alternating current, AC/DC control circuit 29 can be controlled according to the input style of power supply the voltage of output, when using 27 work of receiver battery, wireless automatic frequency aligning receives sound amplifier 2 and has good mobility, when using alternating current to power, can guarantee that wireless automatic frequency aligning receives sound amplifier 2 and works always.
Further, described wireless automatic frequency adjustment microphone 1 also comprises audio input interface 18 and Audio conversion switch 19, described audio input interface 18 is connected with preamplifier circuit for microphone 12, and described Audio conversion switch 19 is connected with microphone automatic frequency adjustment radio-frequency module 13.Audio input interface 18 can connect various audio output apparatus, as computer audio frequency output interface, this design can allow microphone connect various audio output apparatus, making voice data be wirelessly transmitted to sound amplifier by microphone amplifies, solved the problem of the distant or position of sound amplifier wiring inconvenience when higher, greatly facilitate user's use, by Audio conversion switch 19, can in microphone modes and audio frequency output mode, switch.
Further, described wireless automatic frequency adjustment microphone 1 receives sound amplifier 2 with wireless automatic frequency aligning and is connected by 2.4GHz radio communication, and its result of use is better.
Shown in Fig. 2, Fig. 5, the second embodiment for the wireless automatic frequency adjustment microphone loudspeaking of the utility model system, the place different from the first embodiment is that the output of preamplifier circuit for microphone 12 is directly connected with microphone automatic frequency adjustment radio-frequency module 13, and described volume control circuit 16 is the volume adjusting key switch being connected with microphone automatic frequency adjustment radio-frequency module 13.In the first embodiment, be, by adjustable current potential device, volume is carried out to analog regulation, and the present embodiment passes through volume adjusting key switch to microphone automatic frequency adjustment radio-frequency module 13 output volume control signals, adopt digital mode to regulate volume, this design can meet the actual needs of different user, all the other structures of the present embodiment are identical with the first embodiment, at this repeated description no longer.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (9)
1. a wireless automatic frequency adjustment microphone loudspeaking system, is characterized in that comprising:
Wireless automatic frequency adjustment microphone, comprise the microphone cartridge, preamplifier circuit for microphone, microphone automatic frequency adjustment radio-frequency module and the microphone antenna that connect successively, also comprise the microphone battery that is used to microphone power, also comprise a volume control circuit, described volume control circuit is connected with microphone automatic frequency adjustment radio-frequency module;
Wireless automatic frequency aligning receives sound amplifier, with the wireless connections of wireless automatic frequency adjustment microphone, described wireless automatic frequency aligning receives sound amplifier and comprises receiver antenna, receiver automatic frequency aligning radio-frequency module, receiver pre-amplification circuit, power amplification circuit and the loudspeaker that connect successively, also comprise that for the ID using during to code with microphone, to code control circuit, described ID is connected with receiver automatic frequency aligning radio-frequency module code control circuit.
2. a kind of wireless automatic frequency adjustment microphone loudspeaking system according to claim 1, is characterized in that: described volume control circuit is the adjustable current potential device being arranged between preamplifier circuit for microphone and microphone automatic frequency adjustment radio-frequency module.
3. a kind of wireless automatic frequency adjustment microphone loudspeaking system according to claim 1, is characterized in that: the volume adjusting key switch of described volume control circuit for being connected with microphone automatic frequency adjustment radio-frequency module.
4. a kind of wireless automatic frequency adjustment microphone loudspeaking system according to claim 1, is characterized in that: wireless automatic frequency adjustment microphone also comprises that battery control circuit, described microphone battery are connected with preamplifier circuit for microphone, volume control circuit and microphone automatic frequency adjustment radio-frequency module respectively by battery control circuit.
5. a kind of wireless automatic frequency adjustment microphone loudspeaking system according to claim 1, it is characterized in that: described wireless automatic frequency adjustment microphone also comprises audio input interface and Audio conversion switch, described audio input interface is connected with preamplifier circuit for microphone, and described Audio conversion switch is connected with microphone automatic frequency adjustment radio-frequency module.
6. according to the arbitrary described a kind of wireless automatic frequency adjustment microphone loudspeaking system of claim 1-5, it is characterized in that: described wireless automatic frequency adjustment microphone also comprises that described LCD LCDs is connected with microphone automatic frequency adjustment radio-frequency module for showing the LCD LCDs of microphone state.
7. a kind of wireless automatic frequency adjustment microphone loudspeaking system according to claim 1, it is characterized in that: described wireless automatic frequency aligning receives sound amplifier and comprises receiver battery and AC circuit interface, described receiver battery, AC circuit interface are that wireless automatic frequency aligning reception sound amplifier is powered by AC/DC control circuit.
8. a kind of wireless automatic frequency adjustment microphone loudspeaking system according to claim 1, is characterized in that: described ID to code control circuit for be connected with receiver automatic frequency aligning radio-frequency module to code button.
9. a kind of wireless automatic frequency adjustment microphone loudspeaking system according to claim 1, is characterized in that: described wireless automatic frequency adjustment microphone receives sound amplifier with wireless automatic frequency aligning and is connected by 2.4GHz radio communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504681.6U CN203407018U (en) | 2013-08-16 | 2013-08-16 | Sound amplifying system of wireless automatic frequency modulation microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504681.6U CN203407018U (en) | 2013-08-16 | 2013-08-16 | Sound amplifying system of wireless automatic frequency modulation microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203407018U true CN203407018U (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320504681.6U Expired - Fee Related CN203407018U (en) | 2013-08-16 | 2013-08-16 | Sound amplifying system of wireless automatic frequency modulation microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203407018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381419A (en) * | 2019-07-17 | 2019-10-25 | 上海航盛实业有限公司 | A kind of wireless microphone system and its method for transmitting signals |
| CN110972031A (en) * | 2019-12-19 | 2020-04-07 | 恩平市天行电子科技有限公司 | Microphone host control method and circuit |
-
2013
- 2013-08-16 CN CN201320504681.6U patent/CN203407018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381419A (en) * | 2019-07-17 | 2019-10-25 | 上海航盛实业有限公司 | A kind of wireless microphone system and its method for transmitting signals |
| CN110972031A (en) * | 2019-12-19 | 2020-04-07 | 恩平市天行电子科技有限公司 | Microphone host control method and circuit |
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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 |
Granted publication date: 20140122 Termination date: 20150816 |
|
| EXPY | Termination of patent right or utility model |