CN209806074U - Portable wireless high-fidelity pickup - Google Patents
Portable wireless high-fidelity pickup Download PDFInfo
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- CN209806074U CN209806074U CN201920953892.5U CN201920953892U CN209806074U CN 209806074 U CN209806074 U CN 209806074U CN 201920953892 U CN201920953892 U CN 201920953892U CN 209806074 U CN209806074 U CN 209806074U
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Abstract
The utility model relates to a portable wireless high-fidelity adapter, comprises a box bod, the top of box body is equipped with first pickup mouth, two relative sides of box body evenly are equipped with a plurality of second pickup mouths, with the box body is equipped with charge mouthful and switch on the side adjacent of second pickup mouth, be equipped with battery, interface board, pickup module in the box body, fortune is put board and UHF expelling plate, charge mouthful and the charge end electricity of battery is connected, the discharge end of battery passes through the power strip and is connected with the interface board electricity, the switch is connected with the power strip electricity, the output and the interface board electricity of pickup module are connected, the input and the interface board electricity of fortune is put the board and is connected, the output of fortune is connected with the input electricity of UHF expelling plate, be connected with transmitting antenna on the output of UHF expelling plate, the utility model discloses have portable, Wireless connection, high fidelity and the like.
Description
Technical Field
The utility model relates to a adapter, concretely relates to portable wireless high-fidelity adapter.
Background
The guqin is one of the oldest musical instruments in China and has a inheritance history of more than 3000 years. The ancient lyre is not only a traditional musical instrument, but also bears too many traditional culture elements of Chinese nationality, and is praised as 'activated stone' of Chinese traditional culture.
At present, the popularization of the guqin still faces a lot of problems, wherein the volume of the guqin musical instrument is small, and the guqin musical instrument is one of important factors influencing the acceptance degree of the public on the guqin. At present, the problems of pickup and amplification of the guqin are generally solved unsatisfactorily, or the tone fidelity is not enough, or the connection and use are more complex, or the guqin is inconvenient to carry, or the guqin is high in price.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a portable wireless hi-fi pickup.
The utility model aims at realizing through the following technical scheme: the portable pickup box comprises a box body, the top of box body is equipped with first pickup mouth, two opposite side faces of box body evenly are equipped with a plurality of second pickup mouths, with be equipped with charge mouth and switch on the side adjacent that the box body was equipped with the second pickup mouth, be equipped with battery, interface board, pickup module in the box body, fortune is put board and UHF transmitting plate, the mouth that charges is connected with the end electricity that charges of battery, the discharge end of battery passes through the power strip and is connected with the interface board electricity, the switch is connected with the power strip electricity, the output of pickup module is connected with the interface board electricity, the input of fortune is put the board and is connected with the interface board electricity, the output of fortune is put the input of board and is connected with the electricity of UHF transmitting plate, be connected with transmitting antenna on.
In a preferred embodiment, the interface board is provided with a power input interface, a power output interface, an audio signal input interface and an audio signal output interface, the output end of the power board is electrically connected with the power input interface, the pickup module is electrically connected with the audio signal input interface, the amplifier board is electrically connected with the audio signal output interface, and the power output interface is electrically connected with the power input end of the pickup module.
In a preferred embodiment, the sound pickup module is at least one middle diaphragm microphone.
In a preferred embodiment, an operational amplifier circuit is arranged on the operational amplifier board.
In a preferred embodiment, the power strip is a DC-DC48V power module.
in a preferred embodiment, the battery is an integrated rechargeable polymer lithium battery.
The utility model has the advantages that:
1. The utility model has simple structure, all the parts are arranged in one box body, and the carrying is convenient;
2. The utility model is wireless connection, convenient connection and no wiring;
3. The utility model discloses be equipped with interface board, pickup module, fortune and put board and UHF transmitting plate, fine realization the high-fidelity pickup, the public address of seven-stringed plucked instrument.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a flow chart of the internal structure of a portable wireless hi-fi sound pickup according to an embodiment of the present invention;
Fig. 2 is an external structure view of the portable wireless hi-fi sound pickup according to the embodiment of the present invention.
In the figure:
1. A battery; 2. a power panel; 3. an interface board; 4. a pickup module; 5. conveying and placing the plate; 6. a UHF transmitting plate; 7. a transmitting antenna; 8. a charging port; 9. a switch; 10. a box body; 11. a first pickup port; 12. and a second pickup port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1-2, the utility model discloses a portable wireless high-fidelity adapter, comprises a box bod 100, box body 10 is the cuboid, the top of box body 10 is equipped with first pickup mouth 11, first pickup mouth 11 can be circular or other pleasing to the eye shapes, two opposite flanks of box body 10 evenly are equipped with a plurality of second pickup mouths 12, second pickup mouth 12 is less than first pickup mouth 11, be equipped with charge mouth 8 and switch 9 on the side adjacent with box body 10 is equipped with second pickup mouth 12, charge mouth 8 can be the power source interface of USB interface or other forms, be equipped with battery 1 in the box body 10, interface board 3, pickup module 4, fortune is put board 5 and UHF transmitting plate 6, charge mouth 8 is connected with battery 1's the charge end electricity, charge for battery 1, battery 1 is chargeable polymer lithium cell of integration. The discharging end of the battery 1 is electrically connected with the interface board 3 through the power supply board 2, the output of the battery 1 is input to the 48V power supply board 2 after 5V voltage stabilization, and is converted into 48V direct current to be supplied to the sound pickup module 4, and the switch 9 is electrically connected with the power supply board 2 and is used for controlling the switch of the sound pickup. The output end of the sound pickup module 4 is electrically connected with the interface board 3, the input end of the conveying and placing board 5 is electrically connected with the interface board 3, the output end of the conveying and placing board 5 is electrically connected with the input end of the UHF transmitting board 6, and the output end of the UHF transmitting board 6 is connected with the transmitting antenna 7.
The interface board 3 is an Audio processing main board for connecting components and processing signals, a CODEC (coder-decoder) chip is arranged on the interface board 3 for digital/analog (D/a) signal conversion and providing for external playing equipment, and the sound effect specification used by the main board is HD Audio. The signal-to-noise ratio of digital/analog conversion is above 100dB, and the signal-to-noise ratio of analog/digital conversion is above 85 dB; support 16/20/24bit PCM format 7.1 channel analog output; supporting S/PDIF output, the depth is 16/20/24bit, and the sampling rate is 44.1K/48K/96K; the audio interface board is compatible with 3D sound effect technologies such as EAX1.0/2.0, D3D, A3D, HRTF 3D, I3DL2 and the like, an audio chip is arranged on the interface board 3, and the preferred model is ALC 1220.
the interface board 3 is provided with a power input interface, a power output interface, an audio signal input interface and an audio signal output interface, the output end of the power board 2 is electrically connected with the power input interface, the pickup module 4 is electrically connected with the audio signal input interface, the operational amplifier board 5 is electrically connected with the audio signal output interface, and the power output interface is electrically connected with the power input end of the pickup module 4.
the sound pickup module 4 collects the field sound, the signal is input to the interface board 3 for pre-amplification and audio processing, then is input to the operational amplifier board 5 for amplification, and is output to the UHF transmitting board 6 and the transmitting antenna 7 for radio frequency transmission.
The sound pickup module 4 is at least one middle diaphragm microphone. In order to realize high-fidelity pickup at the original sound level, a pickup device with a middle vibrating diaphragm is required, a microphone with the middle vibrating diaphragm is good at capturing an instantaneous signal and a high-frequency signal, the sound effect is relatively mellow, and the microphone with the large vibrating diaphragm has warm texture. The middle diaphragm microphone is arranged inside the box body 10, and the bottom of the middle diaphragm microphone is fixed in the middle of the interface board 3 after being glued.
The operational amplifier circuit is arranged on the operational amplifier plate 5.
the power panel 2 is a DC-DC48V power module. The volume is small, the reliability is high, the output voltage is stable, and the precision can reach +/-3; the cost performance is high; various input and output voltages; an input filter is arranged in the filter, and the electromagnetic compatibility is low; and (4) sanding and oxidizing the aluminum shell, and shielding six surfaces.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a portable wireless high-fidelity adapter which characterized in that: the portable pickup box comprises a box body, the top of box body is equipped with first pickup mouth, two opposite side faces of box body evenly are equipped with a plurality of second pickup mouths, with be equipped with charge mouth and switch on the side adjacent that the box body was equipped with the second pickup mouth, be equipped with battery, interface board, pickup module in the box body, fortune is put board and UHF transmitting plate, the mouth that charges is connected with the end electricity that charges of battery, the discharge end of battery passes through the power strip and is connected with the interface board electricity, the switch is connected with the power strip electricity, the output of pickup module is connected with the interface board electricity, the input of fortune is put the board and is connected with the interface board electricity, the output of fortune is put the input of board and is connected with the electricity of UHF transmitting plate, be connected with transmitting antenna on.
2. The portable wireless high fidelity sound pick-up of claim 1, wherein: the interface board is provided with a power input interface, a power output interface, an audio signal input interface and an audio signal output interface, the output end of the power board is electrically connected with the power input interface, the pickup module is electrically connected with the audio signal input interface, the amplifier board is electrically connected with the audio signal output interface, and the power output interface is electrically connected with the power input end of the pickup module.
3. The portable wireless high fidelity sound pick-up of claim 1, wherein: the pickup module is at least one middle diaphragm microphone.
4. The portable wireless high fidelity sound pick-up of claim 1, wherein: and an operational amplifier circuit is arranged on the operational amplifier board.
5. The portable wireless high fidelity sound pick-up of claim 1, wherein: the power panel is a DC-DC48V power module.
6. The portable wireless high fidelity sound pick-up of claim 1, wherein: the battery is an integrated rechargeable polymer lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953892.5U CN209806074U (en) | 2019-06-24 | 2019-06-24 | Portable wireless high-fidelity pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953892.5U CN209806074U (en) | 2019-06-24 | 2019-06-24 | Portable wireless high-fidelity pickup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209806074U true CN209806074U (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920953892.5U Expired - Fee Related CN209806074U (en) | 2019-06-24 | 2019-06-24 | Portable wireless high-fidelity pickup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209806074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225435A (en) * | 2019-06-24 | 2019-09-10 | 卢宇庭 | A kind of portable mobile wireless high-fidelity sound pick-up |
-
2019
- 2019-06-24 CN CN201920953892.5U patent/CN209806074U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225435A (en) * | 2019-06-24 | 2019-09-10 | 卢宇庭 | A kind of portable mobile wireless high-fidelity sound pick-up |
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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: 20191217 Termination date: 20210624 |