CN212572528U - Portable wireless microphone signal receiver - Google Patents
Portable wireless microphone signal receiver Download PDFInfo
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- CN212572528U CN212572528U CN202021668621.4U CN202021668621U CN212572528U CN 212572528 U CN212572528 U CN 212572528U CN 202021668621 U CN202021668621 U CN 202021668621U CN 212572528 U CN212572528 U CN 212572528U
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- signal amplification
- wireless microphone
- amplification module
- receiver
- portable wireless
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Abstract
The utility model discloses a portable wireless microphone signal receiver. The portable wireless microphone signal receiver includes: receiver body and receiving antenna, receiving antenna includes: the antenna body is detachably mounted on the signal amplification module, and the signal amplification module is detachably mounted on the receiver body. The utility model discloses a set up detachable signal amplification module among the portable wireless microphone signal receiver to make the consumer select whether to use according to actual conditions signal amplification module is right the wireless signal that the receiving antenna body was received amplifies the processing, has increased consumer's option scheme, provides more use selections for the consumer, and then improves consumer's product experience.
Description
Technical Field
The utility model relates to a portable wireless microphone signal receiver technical field especially relates to a portable wireless microphone signal receiver.
Background
With the development of science and technology, wireless microphones are applied more and more widely. The wireless microphone transmits signals between the sound collection part and the sound amplification module by using radio carriers, and compared with a wired microphone, the wireless microphone is not restricted by an audio wire when in use, and is more flexible and convenient to use. Therefore, the wireless microphone has gradually replaced the wired microphone, and the wireless microphone has become a common public address device for scenes such as conferences, lectures, classroom teaching and the like.
Therefore, the processing of the wireless signal by the wireless microphone signal receiver becomes a guarantee for guaranteeing the strength of the microphone signal.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, embodiments of the present invention are directed to a portable wireless microphone signal receiver.
The technical scheme of the utility model is realized like this:
a portable wireless microphone signal receiver, comprising: receiver body and receiving antenna, receiving antenna includes: the antenna body is detachably mounted on the signal amplification module, and the signal amplification module is detachably mounted on the receiver body.
Preferably, the front end of the signal amplification module is provided with a front end SMA joint, the rear end of the signal amplification module is provided with a rear end SMA joint, the antenna body is mounted on the front end SMA joint, and the signal amplification module is mounted on the receiver body through the rear end SMA joint; the signal amplification module is internally provided with a circuit board, and the front end SMA connector and the rear end SMA connector are electrically connected with the circuit board.
Preferably, a signal amplification circuit is arranged in the circuit board, the signal amplification circuit comprises a first radio frequency filter, a low noise amplifier and a second radio frequency filter which are electrically connected in sequence, the first radio frequency filter is electrically connected with the front end SMA connector, and the second radio frequency filter is electrically connected with the rear end SMA connector.
Preferably, the signal amplification circuit further includes: the low-noise amplifier comprises a power supply module electrically connected with the low-noise amplifier, and a charging circuit and a lithium battery which are respectively electrically connected with the power supply module; the charging circuit is a USB charging circuit, and the charging circuit and the lithium battery supply power to the low-noise amplifier through the power supply module.
Preferably, the signal amplification circuit further includes: and the adjusting gain selection switch is electrically connected with the low noise amplifier.
The embodiment of the utility model provides a set up detachable signal amplification module among the portable wireless microphone signal receiver to make the consumer select whether to use according to actual conditions signal amplification module is right the wireless signal that the receiving antenna body received enlargies the processing, has increased consumer's option, provides more use selections for the consumer, and then improves consumer's product experience.
Drawings
Fig. 1 is an exploded view of a portable wireless microphone signal receiver according to the present invention;
fig. 2 is a schematic diagram of a disassembled structure of a signal amplification module in the portable wireless microphone signal receiver shown in fig. 1;
fig. 3 is a schematic structural diagram of a signal amplifying circuit in the signal amplifying module shown in fig. 2.
Detailed Description
In order to illustrate embodiments of the present invention or technical solutions in the prior art more clearly, the following description will be made in conjunction with the accompanying drawings in embodiments of the present invention to describe the technical solutions in the embodiments of the present invention clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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.
As shown in fig. 1 and 2, a portable wireless microphone signal receiver includes a receiver body 10 and a receiving antenna 20, and the receiving antenna 20 is detachably mounted to the receiver body 10. The receiving antenna 20 can receive a wireless signal sent by a wireless microphone and transmit the wireless signal to the receiver body 10.
The receiving antenna 20 includes: the antenna comprises an antenna body 21 and a signal amplification module 22, wherein the antenna body 21 is detachably mounted on the signal amplification module 22, and the signal amplification module 22 is detachably mounted on the receiver body 10.
Specifically, the front end of the signal amplification module 22 is provided with a front end SMA joint 201, the rear end of the signal amplification module 22 is provided with a rear end SMA joint 202, the antenna body 21 is installed on the front end SMA joint 201, and the signal amplification module 22 is installed on the receiver body 10 through the rear end SMA joint 202.
A circuit board 221 is further arranged inside the signal amplification module 22, and the front-end SMA connector 201 and the rear-end SMA connector 202 are both electrically connected to the circuit board 221. A signal amplification circuit is arranged in the circuit board 221, and the signal amplification circuit includes: the first radio frequency filter 2201, the low noise amplifier 2202 and the second radio frequency filter 2203 are electrically connected in sequence, the first radio frequency filter 2201 is electrically connected with the front-end SMA joint 201, and the second radio frequency filter 2203 is electrically connected with the rear-end SMA joint 202.
As shown in fig. 3, the signal amplification circuit further includes: a power supply module 2204 and a gain adjustment selection switch 2205 electrically connected with the low noise amplifier 2202, and a USB charging circuit 2206 and a lithium battery 2207 electrically connected with the power supply module 2204 respectively. The USB charging circuit 2206 is provided with a USB charging port 2208, and the USB charging circuit 2206 and the lithium battery 2207 supply power to the low noise amplifier 2202 through the power module 2204.
The gain adjusting selection switch 2205 can select different gain degrees to process wireless signals according to requirements, the USB charging circuit 2206 can facilitate charging of consumers, and the lithium battery 2207 can facilitate use of consumers.
In this embodiment, the detachable signal amplification module 22 is disposed in the receiving antenna 20, so that a consumer can select whether to use the signal amplification module 22 to amplify the wireless signal received by the receiving antenna 20 according to an actual situation, thereby increasing a selection scheme of the consumer, providing more use options for the consumer, and further improving product experience of the consumer.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A portable wireless microphone signal receiver, comprising: a receiver body and a receiving antenna,
the receiving antenna includes: the antenna body is detachably mounted on the signal amplification module, and the signal amplification module is detachably mounted on the receiver body.
2. The portable wireless microphone signal receiver of claim 1, wherein the front end of the signal amplification module is provided with a front end SMA joint, the rear end of the signal amplification module is provided with a rear end SMA joint, the antenna body is mounted to the front end SMA joint, and the signal amplification module is mounted to the receiver body through the rear end SMA joint;
the signal amplification module is internally provided with a circuit board, and the front end SMA connector and the rear end SMA connector are electrically connected with the circuit board.
3. The portable wireless microphone signal receiver of claim 2, wherein a signal amplifying circuit is disposed in the circuit board, the signal amplifying circuit electrically connects a first radio frequency filter, a low noise amplifier and a second radio frequency filter in sequence, the first radio frequency filter is electrically connected to the front end SMA connector, and the second radio frequency filter is electrically connected to the back end SMA connector.
4. The portable wireless microphone signal receiver of claim 3, wherein the signal amplification circuit further comprises: the low-noise amplifier comprises a power supply module electrically connected with the low-noise amplifier, and a charging circuit and a lithium battery which are respectively electrically connected with the power supply module;
the charging circuit is a USB charging circuit, and the charging circuit and the lithium battery supply power to the low-noise amplifier through the power supply module.
5. The portable wireless microphone signal receiver of claim 3, wherein the signal amplification circuit further comprises: and the adjusting gain selection switch is electrically connected with the low noise amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668621.4U CN212572528U (en) | 2020-08-11 | 2020-08-11 | Portable wireless microphone signal receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668621.4U CN212572528U (en) | 2020-08-11 | 2020-08-11 | Portable wireless microphone signal receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212572528U true CN212572528U (en) | 2021-02-19 |
Family
ID=74626721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021668621.4U Active CN212572528U (en) | 2020-08-11 | 2020-08-11 | Portable wireless microphone signal receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212572528U (en) |
-
2020
- 2020-08-11 CN CN202021668621.4U patent/CN212572528U/en active Active
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