CN207884779U - A kind of wired hand-held microphone system - Google Patents
A kind of wired hand-held microphone system Download PDFInfo
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- CN207884779U CN207884779U CN201721926149.8U CN201721926149U CN207884779U CN 207884779 U CN207884779 U CN 207884779U CN 201721926149 U CN201721926149 U CN 201721926149U CN 207884779 U CN207884779 U CN 207884779U
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- main control
- control chip
- unit
- power supply
- microphone system
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Abstract
The utility model is related to a kind of wired hand-held microphone systems, including main control chip U1, button selecting unit, interface unit, power supply unit and microphone；Wherein, button selecting unit, for for user selection mode, forming input signal；Interface unit for receiving input signal, and is transmitted to main control chip U1；Main control chip U1, for according to input signal output drive signal, corresponding terminal device being driven to respond；Microphone obtains voice signal, is transmitted to main control chip U1 by interface unit, corresponding terminal device is driven to respond for when user selects talkback mode, starting work；Power supply unit, for providing power supply for main control chip U1, button selecting unit, interface unit and microphone.The utility model realizes integrated video and speech talkback mode, efficient, and is operated in driving procedure convenient for driver, ensures the driving safety of driver.
Description
Technical field
The utility model is related to fields of communication technology, more specifically refer to a kind of wired hand-held microphone system.
Background technology
Hand-held microphone is one kind (being more convenient to carry and use after improvement) of intercom, is a kind of bidirectional mobile communication instrument,
In the case of not needing any network support, so that it may with call, be generated without telephone expenses, suitable for being relatively fixed and travelling frequently over words
Occasion.
Currently, the hand-held microphone provided in the market is based on voice communication, such as：The Vehicular intercom being arranged in taxi, work(
Can be more single, in some cases, existing hand-held microphone can not be met the needs of users, for example need to ask video just can be with
When carry out technology cooperation, simple often expends longer time by existing hand-held microphone by the way of speech sound eeplaining, imitates
Rate is low, and is not easy to driver and is operated in driving procedure.
Therefore, it is necessary to design a kind of wired hand-held microphone system, integrated video, speech talkback mode are realized, it is efficient, and just
It is operated in driving procedure in driver, ensures the driving safety of driver.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of wired hand-held microphone system.
To achieve the above object, the utility model uses following technical scheme：A kind of wired hand-held microphone system, including master control core
Piece U1, button selecting unit, interface unit, power supply unit and microphone；Wherein, button selecting unit, for being selected for user
Pattern is selected, input signal is formed；The interface unit for receiving input signal, and is transmitted to the main control chip U1；It is described
Main control chip U1, for according to input signal output drive signal, corresponding terminal device being driven to respond；The Mike
Wind obtains voice signal, main control chip is transmitted to by interface unit for when user selects talkback mode, starting work
U1 drives corresponding terminal device to respond；The power supply unit, for being main control chip U1, button selecting unit, interface
Unit and microphone provide power supply.
Its further technical solution is：The model AT89C51 of the main control chip U1.
Its further technical solution is：The button selecting unit includes confirming button, camera switching key and PTT
Button.
Its further technical solution is：The interface unit includes interface chip, the model 8255 of the interface chip.
Its further technical solution is：The end feet of the main control chip U1 is connected with clock unit, the clock unit packet
Include oscillator X1 and capacitance C1, C2.
Its further technical solution is：The reset end feet of the main control chip U1 is connected with reset resistor R1.
Its further technical solution is：Be connected between the power supply unit and the main control chip U1 divider resistance R2 with
And anti-reverse diode D1.
Its further technical solution is：The power supply unit include accumulator B1, the first filter module, voltage stabilizing chip U2 with
And second filter module, the power supply of accumulator B1 are carried out by voltage stabilizing chip U2 at voltage stabilizing after the filtering of the first filter module
It after reason, will be filtered via the second filter module, supply main control chip U1, button selecting unit, interface unit and Mike
Wind.
Its further technical solution is：The model 7805 of the voltage stabilizing chip U2.
The advantageous effect of the utility model compared with prior art is：A kind of wired hand-held microphone system of the utility model is led to
Button selecting unit selection mode is crossed, forms input signal, input signal is transmitted to main control chip U1 by interface unit, by master control
Chip U1 drives corresponding terminal device to respond, and terminal device includes intercom and video camera, realize integrated video and
Speech talkback mode, it is efficient, and operated in driving procedure convenient for driver, ensure the driving safety of driver.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is a kind of structure diagram for wired hand-held microphone system that the utility model specific embodiment provides；
Fig. 2 is the circuit diagram for the main control chip that the utility model specific embodiment provides；
Fig. 3 is the circuit diagram for the power supply unit that the utility model specific embodiment provides；
Fig. 4 is a kind of overlooking structure figure for wired hand-held microphone system that the utility model specific embodiment provides；
Fig. 5 is a kind of face upwarding assumption diagram for wired hand-held microphone system that the utility model specific embodiment provides.
Specific implementation mode
In order to more fully understand the technology contents of the utility model, with reference to specific embodiment to the skill of the utility model
Art scheme is further described and illustrates, but not limited to this.
A kind of specific embodiment as shown in Fig. 1~5, wired hand-held microphone system provided in this embodiment, can be used in vapour
On vehicle or other intercommunication occasions, integrated video, speech talkback mode are realized, it is efficient, and convenient for driver in driving procedure
Middle operation ensures the driving safety of driver.
As shown in Figure 1, the present embodiment additionally provides a kind of wired hand-held microphone system comprising main control chip U1, button selection
Unit 1, interface unit 2, power supply unit 3 and microphone 4；Wherein, button selecting unit 1, for for user selection mode, shape
At input signal；Interface unit 2 for receiving input signal, and is transmitted to the main control chip U1；Main control chip U1, is used for
According to input signal output drive signal, corresponding terminal device 1 is driven to respond；Microphone 4, for when user's selection pair
When saying pattern, start work, obtains voice signal, be transmitted to main control chip U1 by interface unit 2, corresponding terminal is driven to set
Standby 1 responds；Power supply unit 3, for being provided for main control chip U1, button selecting unit 1, interface unit 2 and microphone 4
Power supply.
In the present embodiment, the model AT89C51 of above-mentioned main control chip U1, it is certainly, above-mentioned in other embodiment
Other models such as the model AT89C52 of main control chip U1.
Further, in certain embodiments, above-mentioned button selecting unit 1 includes confirming button, camera switching
Button and PTT buttons.
In addition, in certain embodiments, above-mentioned wired hand-held microphone system further includes encoder, after triggering encoder, enter
Menu selection content carries out menu selection, this is based on touch screen and realizes intelligent selection.
Confirmation button is touch-switch, driver can be convenient for operate, when pressing or selection confirms button, then input letter
Number it is confirmation signal, after which can be used for selected pattern, carries out confirmation operation, it is ensured that current operation is not maloperation, is carried
The safety of height operation.
When pressing or selecting camera switching key, then input signal is camera switching signal, will select video
Sharing model carries out video intercommunication, and technical professional is needed to carry out technical guidance to the staff at scene
Etc. needing to see the case where field condition can just be supported, can accurately and efficiently be instructed.At this point, main control chip
U1 drives camera work, obtains image or video, is shared.
When pressing or selecting PTT buttons, then it is intercommunication signal to select intercommunication function, input signal, and at this moment, is needed
The acquisition that microphone 4 carries out voice is opened, in order to smoothly be conversed.At this point, main control chip U1 drive intercom into
Row speech talkback.
Further, in certain embodiments, above-mentioned interface unit 2 includes interface chip, the model of interface chip
It is 8255.Above-mentioned button is connect with interface chip, is connected with main control chip U1 by 7 data lines by interface chip, into
Row signal transmission.
Interface chip 8255 can transmit 8 data parallel, and data line is 8 D0~D7.Since 8255 with 3 channels
A, B, C, so A, B, C mouthfuls and control register can be addressed as long as two address wires, therefore address wire is two A0~A1.Master control
Chip U1 will read and write to 8255 to be piece choosing, resets, reading and writing signal with piece selection operation, control line.The pin of each signal is compiled
It is number as follows:Data/address bus DB:Number is D0~D7, and 8 data are transmitted for interface chip 8255 and main control chip U1.Address is total
Line AB:Number is A0~A1, for selecting A, B, C mouthfuls and control register.Controlling bus CB:Chip selection signal, reset signal
RST, write signal, read signal.When CPU will read and write operation to 8255, it is necessary to first send out chip selection signal to interface chip 8255
8255 chip of interface chip is chosen, read signal is then sent out or write signal to interface chip 8255 read or write the operation of data.
The content that 7 data lines of interface chip and main control chip U1 transmit is respectively choice direction positive direction, selecting party
To negative direction, confirmation signal, camera switching signal, PTT signals, Mike's sub-signal and GND signals.
In addition, further, in certain embodiments, the end feet of above-mentioned main control chip U1 is connected with clock unit,
Clock unit includes oscillator X1 and capacitance C1, C2, which provides clock frequency for main control chip U1, play timing
And other effects.
The reset end feet of main control chip U1 is connected with reset resistor R1, is convenient for the reset of main control chip U1.
Further, in certain embodiments, it is connected between above-mentioned power supply unit 3 and the main control chip U1 point
Piezoresistance R2 and anti-reverse diode D1.
In addition, above-mentioned power supply unit 3 includes accumulator B1, the first filter module, the filtering of voltage stabilizing chip U2 and second
Module, the power supply of accumulator B1 is after the filtering of the first filter module, will be via after voltage stabilizing chip U2 carries out steady pressure treatment
Second filter module is filtered, supply main control chip U1, button selecting unit 1, interface unit 2 and microphone 4.
Further, the first above-mentioned filter module includes filter capacitor C1, C2 and zener diode D1；Second filter
Wave module includes filter capacitor C3, C4 and zener diode D2.
In addition, in the present embodiment, the model 7805 of above-mentioned voltage stabilizing chip U2；In other embodiment, above-mentioned is steady
It can be chips of 7905 either other 78 series or 79 series to press the model of chip U2.
B1 is 9V accumulators or lithium battery, can be charged repeatedly.Filter capacitor C1, C2, C3, C4 are filter capacitors,
Play the role of once with secondary filtering.Zener diode D1, D2 are zener diodes, make the voltage stabilization of output end ideal
Horizontal voltage.Voltage stabilizing chip U2 is circuit of three-terminal voltage-stabilizing integrated chip, has positive voltage output.Also have inside its circuit overcurrent,
The protection circuit such as overheat and adjustment pipe, final purpose at 5V outputs are stablized, power 9V power source transitions for follow-up equipment.
Above-mentioned terminal device 1 images such as voice capture devices and video camera or this Egypt of video such as including intercom set
It is standby, to realize in a manner of integrated video and speech talkback, operated with convenient for driver.
A kind of above-mentioned wired hand-held microphone system forms input signal, interface list by 1 selection mode of button selecting unit
Input signal is transmitted to main control chip U1 by member 2, drives corresponding terminal device 1 to respond by main control chip U1, terminal is set
Standby 1 includes intercom and video camera, realizes integrated video and speech talkback mode, efficient, and is being driven convenient for driver
It operates in the process, ensures the driving safety of driver.
The above-mentioned technology contents that the utility model is only further illustrated with embodiment, in order to which reader is easier to understand,
But the embodiment for not representing the utility model is only limitted to this, and any technology done according to the utility model extends or recreation,
Protected by the utility model.The scope of protection of the utility model is subject to claims.
Claims (9)
1. a kind of wired hand-held microphone system, which is characterized in that including main control chip U1, button selecting unit, interface unit, power supply list
Member and microphone；Wherein, button selecting unit, for for user selection mode, forming input signal；The interface unit,
For receiving input signal, and it is transmitted to the main control chip U1；The main control chip U1 drives for being exported according to input signal
Dynamic signal, drives corresponding terminal device to respond；The microphone, for when user selects talkback mode, starting work
Make, obtains voice signal, be transmitted to main control chip U1 by interface unit, corresponding terminal device is driven to respond；It is described
Power supply unit, for providing power supply for main control chip U1, button selecting unit, interface unit and microphone.
2. a kind of wired hand-held microphone system according to claim 1, which is characterized in that the model of the main control chip U1
AT89C51。
3. a kind of wired hand-held microphone system according to claim 1, which is characterized in that the button selecting unit includes confirming
Button, camera switching key and PTT buttons.
4. a kind of wired hand-held microphone system according to claim 1, which is characterized in that the interface unit includes interface core
Piece, the model 8255 of the interface chip.
5. a kind of wired hand-held microphone system according to claim 2, which is characterized in that the end feet of the main control chip U1 connects
It includes oscillator X1 and capacitance C1, C2 to have clock unit, the clock unit.
6. a kind of wired hand-held microphone system according to claim 2, which is characterized in that the reset end feet of the main control chip U1
It is connected with reset resistor R1.
7. a kind of wired hand-held microphone system according to claim 2, which is characterized in that the power supply unit and the master control core
Divider resistance R2 and anti-reverse diode D1 is connected between piece U1.
8. a kind of wired hand-held microphone system according to any one of claims 1 to 7, which is characterized in that the power supply unit packet
Accumulator B1, the first filter module, voltage stabilizing chip U2 and the second filter module are included, the power supply of accumulator B1 is by the first filtering
It after module filtered, after voltage stabilizing chip U2 carries out steady pressure treatment, will be filtered via the second filter module, and supply master control core
Piece U1, button selecting unit, interface unit and microphone.
9. a kind of wired hand-held microphone system according to claim 8, which is characterized in that the model of the voltage stabilizing chip U2
7805。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926149.8U CN207884779U (en) | 2017-12-29 | 2017-12-29 | A kind of wired hand-held microphone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926149.8U CN207884779U (en) | 2017-12-29 | 2017-12-29 | A kind of wired hand-held microphone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207884779U true CN207884779U (en) | 2018-09-18 |
Family
ID=63505442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721926149.8U Active CN207884779U (en) | 2017-12-29 | 2017-12-29 | A kind of wired hand-held microphone system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207884779U (en) |
-
2017
- 2017-12-29 CN CN201721926149.8U patent/CN207884779U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230626 Address after: Room 101-21959, 2nd Floor, No. 26, Yard 6, Hengye 8th Street, Tongzhou District, Beijing, 100000 Patentee after: Beijing Guanghe Ruiyi Automobile Culture Co.,Ltd. Address before: Unit 101, 1st Floor, Building 3, Yard 2, Jiaogezhuang Street, Nanfaxin Town, Shunyi District, Beijing, 100000 Patentee before: BEIJING JIUFANG GUANGWEI TECHNOLOGY CO.,LTD. |