CN209676422U - A kind of microphone radio switch - Google Patents
A kind of microphone radio switch Download PDFInfo
- Publication number
- CN209676422U CN209676422U CN201920604154.XU CN201920604154U CN209676422U CN 209676422 U CN209676422 U CN 209676422U CN 201920604154 U CN201920604154 U CN 201920604154U CN 209676422 U CN209676422 U CN 209676422U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- fixed plate
- lithium battery
- function circuit
- metal shell
- 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.)
- Expired - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 239000004065 semiconductor Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Transmitters (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of microphone radio switch, including connecting line, fixed plate, function circuit board, contact circuit board, lithium battery, metal shell, wireless transmission are hand-held, power switch；One end of connecting line is connect with cable microphone, and the other end is connect with the connecting column being located in fixed plate, connecting column and four needle attachment base connections being arranged in fixed plate；Four needle attachment bases are connect with function circuit board；Function circuit board is connect by resistance R8, capacitor C14 with the end SW, the end FB for contacting circuit board, contact the end IN of circuit board, the end SHDN is connected by one end of metal-oxide-semiconductor Q1 and power switch, power switch is arranged in fixed plate, and the other end of power switch connects the end BAT of lithium battery by capacitor C4, C5；Fixed plate is threadedly coupled with metal shell, and function circuit board, lithium battery are both placed in metal shell, and metal shell bottom end is fixedly connected with contact circuit board, and it is hand-held interior that metal shell bottom end is socketed in wireless transmission.
Description
Technical field
The utility model relates to field of audio more particularly to a kind of microphone radio switch.
Background technique
Current market sales of household microphone mainly based on wire microphone, has high sensitivity, and stability is strong
The features such as, it is extensively received by the market, but it is there are poor mobility, the deficiencies of limited transmission distance；Current wireless microphone replaces having
Line microphone has become a kind of inexorable trend, according to the method for directly buying wireless microphone product, the then hyperphoric wheat of people
Gram eolian larger, and be easy to cause wire microphone that can not reuse, and generates wasting phenomenon, gives many microphone users
Bring great puzzlement.
Summary of the invention
The utility model aim is in view of the above-mentioned problems, providing that a kind of structure is simple, cable microphone can be converted to nothing
The microphone radio switch of line microphone.
To achieve the goals above, the technical solution of the utility model is:
A kind of microphone radio switch, the microphone radio switch include connecting line, fixed plate, functional circuit
Plate, contact circuit board, lithium battery, metal shell, wireless transmission be hand-held, power switch；One end of connecting line and cable microphone connect
It connects, the other end is connect with the connecting column being located in fixed plate, and connecting column connects with four needle attachment base routes being arranged in fixed plate
It connects；First pin of four needle attachment bases is grounded, and second pin, third pin, the 4th pin pass through resistance R4, R5 and function electricity
The third pin at the end SW of road plate, the connection of the end FB, four needle attachment bases is connected by the input terminal that capacitor C19 and wireless transmission are held
It connects；The end IN, the end SHDN of function circuit board are connect by resistance R8, capacitor C14 with the end SW, the end FB for contacting circuit board, function
The end IN, the end SHDN of circuit board are connected by the end BAT of resistance R16, triode Q2, resistance R19, resistance R18 and lithium battery, are connect
The end IN, the end SHDN of touching circuit board are connected by one end of metal-oxide-semiconductor Q1 and power switch, and power switch is arranged in fixed plate,
The other end of power switch connects the end BAT of lithium battery by capacitor C4, C5；Fixed plate is threadedly coupled with metal shell, function
Circuit board, lithium battery are both placed in metal shell, and metal shell bottom end is fixedly connected with contact circuit board, metal shell bottom end set
It connects in wireless transmission is hand-held.
Further, USB interface is provided in the fixed plate, USB interface is connected by the end VCC of capacitor C1 and lithium battery
It connects, and USB interface is connected by the CHRG end line of capacitor C1, resistance R1 and lithium battery.
Further, function circuit board indicator light, low battery indicator light are provided in the fixed plate；Function circuit board refers to
Show that lamp is connected on the route between function circuit board and four needle attachment bases, low battery indicator light is connected to function circuit board and connects
It touches on the route between circuit board.
Compared with prior art, the utility model has the advantages and positive effects of:
The utility model has the advantage of converter installation is simple, when in use only need to by one end of connecting line with it is wired
Wireless conversion operation can be completed in the connector connection of microphone, and easy to operate, practical, solving wire microphone cannot be with
The deficiencies of meaning movement, limited transmission distance；And after installation, the bottom end of wire microphone can be socketed in wireless transmission
In hand-held, so that the components such as connecting line, metal shell are socketed in, wireless transmission is hand-held interior, and people can directly hold nothing
Line transmitting is hand-held to be carried out being avoided connection line using microphone and is scattered in the situation for causing people to use microphone inconvenience outside
Occur, improves the using effect of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the assembly structure figure of the utility model；
Fig. 2 is the circuit structure diagram of the utility model；
Fig. 3 is the overlooking structure figure of fixed plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
As shown in Figure 1, Figure 2 and Figure 3, a kind of microphone radio switch, the microphone radio switch include connection
Line 2, fixed plate 3, function circuit board 4, contact circuit board 7, lithium battery 5, metal shell 6, wireless transmission hold 8, power switch
11；One end of connecting line 2 is connect with cable microphone 1, the other end be located at fixed plate 3 on connecting column 9 connect, connecting column 9 and
Four needle attachment bases, 10 connection in fixed plate 3 is set；The model SA108-4P of four needle attachment bases 10；Four needle attachment bases
10 the first pin ground connection, second pin, third pin, the 4th pin pass through the SW of resistance R4, R5 and function circuit board 4
The third pin at end, the connection of the end FB, four needle attachment bases 10 is connect by capacitor C19 with the input terminal of wireless transmission hand-held 8；Function
The end IN, the end SHDN of circuit board 4 are connect by resistance R8, capacitor C14 with the end SW, the end FB for contacting circuit board 7, function circuit board
4 end IN, the end SHDN are connect by resistance R16, triode Q2, resistance R19, resistance R18 with the end BAT of lithium battery 5, and function is electric
Road plate 4, the model for contacting circuit board 7 are BHOO；Contact the end IN of circuit board 7, the end SHDN passes through metal-oxide-semiconductor Q1 and power switch
11 one end connection, the model PB-22E60 of power switch 11；Power switch 11 is arranged in fixed plate 3, power switch 11
The other end by capacitor C4, C5 connect lithium battery 5 the end BAT, the model LTH7 of lithium battery 5；Fixed plate 3 and metal shell
6 are threadedly coupled, and function circuit board 4, lithium battery 5 are both placed in metal shell 6, and 6 bottom end of metal shell is fixedly connected with contact electricity
Road plate 7, metal shell 6 are socketed in wireless transmission hand-held 8.
Usb 14 is provided in the fixed plate 3, usb 14 is connect by capacitor C1 with the end VCC of lithium battery 5,
And usb 14 is connect by capacitor C1, resistance R1 with the CHRG end line of lithium battery 5.The design of USB interface can be in lithium
It is charged when the not enough power supply of battery by USB interface, improves the using effect of the utility model.
Function circuit board indicator light 12, low battery indicator light 13 are provided in the fixed plate 3；Function circuit board indicator light
12, the model of low battery indicator light 13 is MBR0520；Function circuit board indicator light 12 is connected to function circuit board 4 and four needles
On route between attachment base 10, low battery indicator light 13 is connected to function circuit board 4 and contacts the route between circuit board 7
On.
The utility model has the advantage of converter installation is simple, when in use only need to by one end of connecting line with it is wired
Wireless conversion operation can be completed in the connector connection of microphone, and easy to operate, practical, solving wire microphone cannot be with
The deficiencies of meaning movement, limited transmission distance；And after installation, the bottom end of wire microphone can be socketed in wireless transmission
In hand-held, so that the components such as connecting line, metal shell are socketed in, wireless transmission is hand-held interior, and people can directly hold nothing
Line transmitting is hand-held to be carried out being avoided connection line using microphone and is scattered in the situation for causing people to use microphone inconvenience outside
Occur, improves the using effect of the utility model.
Claims (3)
1. a kind of microphone radio switch, it is characterised in that: the microphone radio switch include connecting line, fixed plate,
Function circuit board, contact circuit board, lithium battery, metal shell, wireless transmission be hand-held, power switch；One end of connecting line with have
The connection of line microphone, the other end are connect with the connecting column being located in fixed plate, and connecting column is connect with four needles being arranged in fixed plate
Seat connection；First pin of four needle attachment bases is grounded, and second pin, third pin, the 4th pin pass through resistance R4, R5
It is connect with the end SW of function circuit board, the end FB, the third pin of four needle attachment bases is held by capacitor C19 with wireless transmission defeated
Enter end connection；The end IN, the end SHDN of function circuit board by resistance R8, capacitor C14 and contact the end SW of circuit board, the end FB company
It connects, the end BAT that the end IN, the end SHDN of function circuit board pass through resistance R16, triode Q2, resistance R19, resistance R18 and lithium battery
Connection, the end IN for contacting circuit board, the end SHDN are by the connection of one end of metal-oxide-semiconductor Q1 and power switch, and power switch setting is solid
On fixed board, the other end of power switch connects the end BAT of lithium battery by capacitor C4, C5；Fixed plate and metal shell screw thread connect
It connects, function circuit board, lithium battery are both placed in metal shell, and metal shell bottom end is fixedly connected with contact circuit board, outside metal
It is hand-held interior that shell bottom end is socketed in wireless transmission.
2. microphone radio switch as described in claim 1, it is characterised in that: it is provided with USB interface in the fixed plate,
USB interface is connected by the end VCC of capacitor C1 and lithium battery, and USB interface passes through capacitor C1, resistance R1 and lithium battery
The connection of CHRG end line.
3. microphone radio switch as claimed in claim 2, it is characterised in that: be provided with functional circuit in the fixed plate
Plate indicator light, low battery indicator light；Function circuit board indicator light is connected to the route between function circuit board and four needle attachment bases
On, low battery indicator light is connected to function circuit board and contacts on the route between circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604154.XU CN209676422U (en) | 2019-04-28 | 2019-04-28 | A kind of microphone radio switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604154.XU CN209676422U (en) | 2019-04-28 | 2019-04-28 | A kind of microphone radio switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209676422U true CN209676422U (en) | 2019-11-22 |
Family
ID=68574734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920604154.XU Expired - Fee Related CN209676422U (en) | 2019-04-28 | 2019-04-28 | A kind of microphone radio switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209676422U (en) |
-
2019
- 2019-04-28 CN CN201920604154.XU patent/CN209676422U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |