CN205608434U - Wireless microphone - Google Patents
Wireless microphone Download PDFInfo
- Publication number
- CN205608434U CN205608434U CN201620382034.6U CN201620382034U CN205608434U CN 205608434 U CN205608434 U CN 205608434U CN 201620382034 U CN201620382034 U CN 201620382034U CN 205608434 U CN205608434 U CN 205608434U
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- CN
- China
- Prior art keywords
- electric capacity
- module
- switch
- wake
- audion
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- 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.)
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Abstract
The utility model provides a wireless microphone, includes power module, wake -up switch, awakens signal production module and emission module up, it connects respectively to awaken signal production module up wake -up switch and emission module, the wake -up switch is connected power module, it includes an electric capacity, a switch, a comparator and a threshold voltage module to wake signal production module up, the one end of electric capacity is connected power module and the first input end of comparator, other end ground connection, switch and capacitance parallel connection, the second input of comparator is connected the threshold voltage module, the output of comparator is connected the control end of switch, electric capacity with emission module connects. The utility model discloses a wireless microphone awakens the signal up and produces the module and whether produce the oscillating signal that awakens up through awakeing on -off control up to awaken the production up signal and awaken up through emission module transmission to corresponding equipment, greatly reduced other outfit awakening device's cost.
Description
Technical field
This utility model relates to speech cloud application, particularly relates to a kind of wireless microphone.
Background technology
Along with the raising of people's living standard, Karaoke has become the principal mode of people's recreation
One of.But, traditional karaoke equipment exceedes that certain time is not used by will dormancy.Generally wake up up
Karaoke equipment is all by clicking on the screen of VOD terminal and button, or uses corresponding remote controller to enter
Row operation.The screen of click VOD terminal and button can not meet the remote control of user and experience, and uses remote controller then
Need to produce extra cost.It addition, present Karaoke all uses wireless microphone, if it is possible to carry
Go out a kind of wireless microphone with arousal function, then can improve Consumer's Experience, again can be cost-effective.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of wireless microphone with arousal function,
Corresponding VOD terminal and wireless microphone system can be waken up up.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of wireless microphone, including power module, wake-up switch, wake-up signal generation module and transmitting mould
Block, described wake-up signal generation module connects described wake-up switch and transmitter module respectively；Described wake-up switch
Connect described power module；
Described wake-up signal generation module includes an electric capacity, a switch, a comparator and a threshold voltage mould
Block；One end of described electric capacity connects described power module and the first input end of described comparator, the other end
Ground connection；Described switch is in parallel with described electric capacity, and the second input of described comparator connects described threshold voltage
Module；The outfan of described comparator connects the control end of described switch；Described electric capacity and described transmitter module
Connect.
Further, described transmitter module includes: audion, the first resistance, the second resistance, the first electric capacity,
Second electric capacity and inductance, the electric capacity of described wake-up signal generation module is connected to the base stage of described audion and sends out
Between emitter-base bandgap grading；Described first resistance connect with the first in parallel electric capacity and inductance be followed by audion base stage and
Between colelctor electrode；The second resistance and second electric capacity of parallel connection is connected between base stage and the emitter stage of described audion；
Described power module is connected with the base stage of described audion.
Further, described transmitter module also includes that the 3rd electric capacity, described 3rd electric capacity are connected to described three poles
Between the collector and emitter of pipe.
Further, audio signal generation module is also included；Described transmitter module also include the first power supply,
One switch and the 4th electric capacity, described first power supply is by the base stage of described first switch connecting triode；Described
Audio signal generation module and the 4th electric capacity are connected between base stage and the emitter stage of described audion.
Further, described transmitter module also includes the 5th electric capacity and second switch, described 5th electric capacity and institute
The second switch series connection stated is followed by between described first resistance and the colelctor electrode of audion.
Further, described transmitter module also includes that the 6th electric capacity, described 6th electric capacity are connected to described first electricity
Between source and the base stage of audion.
The beneficial effects of the utility model are: controlled whether wake-up signal generation module by wake-up switch
Electric capacity be charged, when electric capacity charging voltage equal or exceed threshold voltage module produce voltage time, than
Relatively device output control signal control switch Guan Bi, electric capacity produce oscillator circuit signal as wake-up signal, and will
Wake-up signal is sent to corresponding wireless receiver or terminal by transmitter module, thus wakes up corresponding equipment up.
Wireless microphone simple in construction of the present utility model, easy to operate, and considerably reduce configure separately distant
The cost of control Rouser.
Accompanying drawing explanation
Fig. 1 is the wireless microphone structural representation of this utility model embodiment；
Fig. 2 is the wireless microphone structural representation one of this utility model embodiment one；
Fig. 3 is the wireless microphone structural representation two of this utility model embodiment one；
Fig. 4 is the wireless microphone structural representation of this utility model embodiment two.
Label declaration:
1, power module；2, wake-up switch；3, wake-up signal generation module；31, threshold voltage module；
4, transmitter module；5, audio signal generation module.
Detailed description of the invention
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment party
Formula also coordinates accompanying drawing to be explained.
The design of this utility model most critical is: arrange wake-up signal generation module, it is possible to produces and wakes up letter up
Number wake up corresponding equipment up.
Refer to Fig. 1, this utility model provides
A kind of wireless microphone, including power module 1, wake-up switch 2, wake-up signal generation module 3 with send out
Penetrating module 4, described wake-up signal generation module 3 connects described wake-up switch 2 and transmitter module 4 respectively；Institute
State wake-up switch 2 and connect described power module 1；
Described wake-up signal generation module 3 includes an electric capacity, a switch, a comparator and a threshold voltage
Module 31；One end of described electric capacity connects described power module 1 and the first input end of described comparator,
Other end ground connection；Described switch is in parallel with described electric capacity, and the second input of described comparator connects described threshold
Threshold voltage module 31；The outfan of described comparator connects the control end of described switch；Described electric capacity is with described
Transmitter module 4 connects.
Knowable to foregoing description, the beneficial effects of the utility model are: controlled whether by wake-up switch 2
The electric capacity of wake-up signal generation module 3 is charged, and at capacitance voltage than or equal to threshold voltage mould
Stopping the charging to electric capacity during the reference voltage that block 31 produces, electric capacity produces the oscillating circuit as wake-up signal
Signal, and this wake-up signal is launched to corresponding terminal unit by radiating circuit, thus wake up up corresponding
Terminal unit；There is simple in construction, easy to operate, low cost and other advantages.
Further, also including resistance, described electric capacity connects described wake-up switch 2 by described resistance.
Knowable to foregoing description, supply voltage is input capacitance after resistance blood pressure lowering, to ensure the steady of whole circuit
Fixed work；May be used without other devices, it is possible to realize identical effect.
Further, described transmitter module 4 includes: audion, the first resistance, the second resistance, the first electricity
Appearance, the second electric capacity and inductance, the electric capacity of described wake-up signal generation module 3 is connected to the base of described audion
Between pole and emitter stage；Described first resistance is connected be followed by audion with the first electric capacity in parallel and inductance
Between base stage and colelctor electrode；Second resistance and the of parallel connection is connected between base stage and the emitter stage of described audion
Two electric capacity；Described power module 1 is connected with the base stage of described audion.
Knowable to foregoing description, wake-up signal is converted into radio wave after the second Capacitance Coupled, then through three poles
Pipe exports after amplifying, and the shunt-resonant circuit that the first electric capacity and inductance are formed carries out frequency of oscillation to amplifying output
Send after selection to corresponding equipment, it is achieved the transmitting of wake-up signal.
Further, described transmitter module 4 also includes that the 3rd electric capacity, described 3rd electric capacity are connected to described three
Between the collector and emitter of pole pipe.
Knowable to foregoing description, the 3rd electric capacity plays the effect of feedback regulation, it is possible to use in prior art
The circuit being capable of identical feedback regulation effect is replaced.
Further, audio signal generation module 5 is also included；Described transmitter module 4 also include the first power supply,
First switch and the 4th electric capacity, described first power supply is by the base stage of described first switch connecting triode；Institute
State audio signal generation module 5 and the 4th electric capacity is connected between base stage and the emitter stage of described audion.
Knowable to foregoing description, powered by the first independent power supply so that wake-up signal is launched and audio frequency is believed
Number transmitting is independent of each other；Audio signal becomes the signal of telecommunication by the 4th Capacitance Coupled, and audion is again by this signal of telecommunication
Amplify output, it is achieved the amplification of audio signal is launched.
Further, described transmitter module 4 also includes the 5th electric capacity and second switch, described 5th electric capacity with
Described second switch series connection is followed by between described first resistance and the colelctor electrode of audion.
Knowable to foregoing description, the 5th electric capacity is base stage filter capacitor, it is possible to filter the high frequency in audio signal
Magazine so that last audio frequency output is more stable, soft.
Further, described transmitter module 4 also includes that the 6th electric capacity, described 6th electric capacity are connected to described first
Between power supply and the base stage of audion.
Knowable to foregoing description, power supply is filtered by the 6th electric capacity, provides loop to AC signal, reduces
The AC internal Resistance of power supply so that whole circuit is operated in a stable state.
Refer to Fig. 2 and Fig. 3, embodiment one of the present utility model is:
A kind of wireless microphone, including power module 1, wake-up switch 2, wake-up signal generation module 3 with send out
Penetrate module 4；Described signal generator module includes resistance R, electric capacity C, comparator U and switch K, Qi Zhong electricity
The one end holding C is connected with the first input end of resistance R and comparator U, other end ground connection, comparator U's
Second outfan connects a threshold voltage, and described switch K is in parallel with electric capacity C, and the control end of switch K connects again
Connect the outfan of comparator U, as shown in Figure 2；Described transmitter module includes audion Q1, the first resistance
R1, the second resistance R2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and inductance L1, wherein,
Described first resistance R1 connects be followed by the base stage of audion Q1 with the first electric capacity C1 in parallel and inductance L1
With between colelctor electrode, the second resistance R2 and the second electric capacity C2 is connected in base stage and the transmitting of audion Q1
Between Ji, described 3rd electric capacity C3 is connected between colelctor electrode and the emitting stage of audion Q1；
Described power module 1 is connected with resistance R by wake-up switch 2, described power module 1 also with three poles
The base stage of pipe Q1 connects；Described electric capacity C is connected between base stage and the emitting stage of audion Q1；Audion
Radio wave after the colelctor electrode output amplification of Q1 is to corresponding equipment, as shown in FIG. 2 and 3.
The operation principle of above-mentioned wireless microphone is as follows:
When wake-up switch disconnects, wake-up signal generation module 3 does not works；During wake-up switch Guan Bi, power supply electricity
Press and access electric capacity C by resistance R, electric capacity C is charged, when the voltage of electric capacity C is more than or equal to threshold value
During voltage, the outfan of comparator U exports a high voltage and controls switch K Guan Bi, stops filling electric capacity C
Electricity, makes electric capacity C produce oscillator circuit signal, and this oscillator circuit signal is wake-up signal；Wake-up signal warp
The second electric capacity C2 coupling as high-frequency signal output coupling capacitor becomes radio wave, and audion Q1 is common
Base amplification circuit, this radio wave amplifies output, the first electric capacity C1 and inductance L1 shape through audion Q1
Become shunt-resonant circuit, send after the signal amplifying output is carried out frequency of oscillation selection and connect to the most wireless
The equipment such as receipts machine, VOD terminal, wake up terminal works up.Wherein, the first resistance R1 is as audion Q1
Biasing resistor, and the second resistance R2 each produces pressure drop and influences each other so that final output result is automatic
Stable in a certain numeric state, the 3rd electric capacity C3 is feedback capacity, carries out feedback regulation for circuit starting of oscillation.
Refer to Fig. 4, embodiment two of the present utility model is:
A kind of wireless microphone, the difference with above-described embodiment one is:
Also include that audio signal generation module 5, described transmitter module 4 also include the first power supply B1, the 4th electricity
Hold C4, the 5th electric capacity C5 and the 6th electric capacity C6；Described 6th electric capacity C6 one end is by the first switch K1
Being connected with the first power supply B1, the other end is connected with the base stage of audion；4th electric capacity C4 is connected to audion Q1
Base stage and emitting stage between, the 5th electric capacity C5 series connection second switch K2 be followed by described first resistance R1
And between the colelctor electrode of audion Q1；Audio signal generation module 5 is connected to the 6th electric capacity C6 and the second resistance
Between R2.
The operation principle of above-mentioned wireless microphone is as follows:
Wherein, when wake-up signal produces and launches, the first switch Guan Bi, second switch disconnects, and its principle is such as
Described in embodiment one.When the signal launched is audio signal, the first switch K1 and second switch Guan Bi, first
Power supply B1 is that the circuit of transmitter module 4 is powered, and the audio signal that audio signal generation module 5 produces is through conduct
After 4th electric capacity C4 coupling of audio signal coupling and electric capacity, be converted to the signal of telecommunication and be transferred to next stage circuit；Three
After this signal of telecommunication is amplified by pole pipe Q1, the 5th electric capacity C5 is as base stage filter capacitor, after filtering amplification
High frequency impurity in the signal of telecommunication；Send to phase after the first electric capacity C1 and inductance L carries out frequency of oscillation selection again
The equipment answered.Wherein, the 6th electric capacity C6 is power filtering capacitor, provides loop to AC signal, reduces electricity
The AC internal Resistance in source.
Knowable to both examples above, the radiating circuit of wake-up signal of the present utility model can be independently arranged,
Can also be combined with the radiating circuit of audio signal.
In sum, the wireless microphone that this utility model provides, control wake-up signal by wake-up switch and produce
Whether raw module produces wake-up signal, and the emitted circuit of wake-up signal of output is launched to accordingly after amplifying output
Equipment, wake-up device enters duty；Wireless microphone simple in construction of the present utility model, easy to operate,
Mike is used to get final product the equipment such as wake on wireless receiver, VOD terminal, it is not necessary to additionally to configure Rouser,
It is greatly saved cost；And the radiating circuit of this utility model wake-up signal can with audio signal send out
Radio road combines, it is not necessary to additionally design radiating circuit, it is also possible to be separately provided so that wake-up signal and audio frequency
The generation of signal, transmission path are completely independent, and are independent of each other.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalents utilizing this utility model description and accompanying drawing content to be made, or be directly or indirectly used in
Relevant technical field, is the most in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a wireless microphone, including power module, it is characterised in that also includes wake-up switch, wake up up
Signal generator module and transmitter module, described wake-up signal generation module connects described wake-up switch respectively and sends out
Penetrate module；Described wake-up switch connects described power module；
Described wake-up signal generation module includes an electric capacity, a switch, a comparator and a threshold voltage mould
Block；One end of described electric capacity connects described power module and the first input end of described comparator, the other end
Ground connection；Described switch is in parallel with described electric capacity, and the second input of described comparator connects described threshold voltage
Module；The outfan of described comparator connects the control end of described switch；Described electric capacity also with described transmitting mould
Block connects.
Wireless microphone the most according to claim 1, it is characterised in that also include resistance, described electricity
Hold and connect described wake-up switch by described resistance.
Wireless microphone the most according to claim 1, it is characterised in that described transmitter module includes:
Audion, the first resistance, the second resistance, the first electric capacity, the second electric capacity and inductance, described wake-up signal
The electric capacity of generation module is connected between base stage and the emitter stage of described audion；Described first resistance is with in parallel
First electric capacity and inductance series connection are followed by between the base stage and colelctor electrode of audion；The base stage of described audion and
The second resistance and second electric capacity of parallel connection is connected between emitter stage；Described power module and the base of described audion
Pole connects.
Wireless microphone the most according to claim 3, it is characterised in that described transmitter module also includes
3rd electric capacity, described 3rd electric capacity is connected between the collector and emitter of described audion.
Wireless microphone the most according to claim 3, it is characterised in that also include that audio signal produces
Module；Described transmitter module also includes the first power supply, the first switch and the 4th electric capacity, and described first power supply leads to
Cross the base stage of described first switch connecting triode；Described audio signal generation module and the 4th electric capacity also couple
Between the base stage and emitter stage of described audion.
Wireless microphone the most according to claim 5, it is characterised in that described transmitter module also includes
5th electric capacity and second switch, described 5th electric capacity is connected with described second switch and is followed by described first electricity
Between resistance and the colelctor electrode of audion.
Wireless microphone the most according to claim 3, it is characterised in that described transmitter module also includes
6th electric capacity, described 6th electric capacity is connected between described first power supply and the base stage of audion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382034.6U CN205608434U (en) | 2016-04-29 | 2016-04-29 | Wireless microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382034.6U CN205608434U (en) | 2016-04-29 | 2016-04-29 | Wireless microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205608434U true CN205608434U (en) | 2016-09-28 |
Family
ID=56968831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620382034.6U Withdrawn - After Issue CN205608434U (en) | 2016-04-29 | 2016-04-29 | Wireless microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205608434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744394A (en) * | 2016-04-29 | 2016-07-06 | 福建海媚数码科技有限公司 | Wireless microphone |
-
2016
- 2016-04-29 CN CN201620382034.6U patent/CN205608434U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744394A (en) * | 2016-04-29 | 2016-07-06 | 福建海媚数码科技有限公司 | Wireless microphone |
| CN105744394B (en) * | 2016-04-29 | 2019-02-15 | 福建海媚数码科技有限公司 | A kind of wireless microphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20190215 |
|
| AV01 | Patent right actively abandoned |