CN203368760U

CN203368760U - Signal reception structure of wireless microphone

Info

Publication number: CN203368760U
Application number: CN 201320436816
Authority: CN
Inventors: 孔德伟
Original assignee: CHIAYO ELECTRONICS Inc
Current assignee: CHIAYO ELECTRONICS Inc
Priority date: 2013-07-22
Filing date: 2013-07-22
Publication date: 2013-12-25
Anticipated expiration: 2023-07-22

Abstract

The utility model provides a signal reception structure of a wireless microphone. The signal reception structure is characterized in that a remote control communication (e.g. RS485) interface host is connected to a plurality of remote control communication interface receivers, and signal reception ranges of the receivers are enlarged through overlapping and connection, so that any one of the receivers can send a signal of a wireless microphone to the host after receiving the signal. Via the above way, the use range of the wireless microphone is extended, and the host can also control each reception channel for switching and provide power supply.

Description

The signal of wireless microphone receives structure

Technical field

The utility model is that a kind of signal of wireless microphone receives structure, is mainly to connect a plurality of Long-distance Control communication interface receivers with Long-distance Control communication interface main frame, allow the signal receiving range of each receiver via overlapping being connected expanded scope.

Background technology

Common microphone pattern is divided into wireless and wired two kinds, and these two kinds respectively have excellent, shortcoming.Although wire microphone is not easy disturbed, but what have a signal line to be in the way is very inconvenient, and although wireless microphone easily also is applicable to mobile use the everywhere, but wireless microphone is easy to be subject to the interference of frequency, and is limited to the reception signal distance of receiver and makes the scope of application be restricted.

Therefore, in order effectively to improve the usefulness of wireless microphone, all to come erasure signal to receive dead angle (transmitting power of wireless microphone has the statute of limitations) with the design of the double antenna of receiver or external antenna in the prior art, but inevasiblely be still the restriction that can't overcome environment dead angle (for example compartment or environment veil) and transmitting power, so the user of wireless microphone can face the problem of service range and scope deficiency all the time, this mode that also represents prior art can't solve existing shortcoming problem at all.

So this case creator is point in view of the above-mentioned problems, dark feel prior art can't effectively be enlarged the signal range of receiving, cause providing the wireless microphone of good quality to use state, therefore then with it, be engaged in for many years the experience of professional microphone design, manufacture, actively research and development improvement, under the discretion of each side's condition is considered, start out the composition of this structure finally, can solve the aforesaid drawbacks fully.

The utility model content

The purpose of this utility model is, provides a kind of signal of wireless microphone to receive structure, and it can solve environment dead angle and the too short problem of receiving range, thoroughly improves the shortcoming of staccato, noise.The cost of every receiver is comparatively cheap, and better again with the effect after main frame composition expansion signal range of receiving.Applicable user installs and uses voluntarily.

The utility model provides a kind of signal of wireless microphone to receive structure, it is characterized in that, mainly to connect a plurality of RS485 interface receivers with a RS485 interface main frame via holding wire, and make the signal range of receiving of each receiver enlarge via overlapping being connected, impel arbitrary receiver receiving wireless microphone signals by by the communication of RS485 Long-distance Control, passing main frame back, and from main frame, provide power supply to receiver by holding wire, reach the purpose that enlarges the wireless microphone scope of application.

Wherein the receiver module in receiver is obtained stronger signal by signal via automatic choosing news and is exported to main frame.

The utility model is that a kind of signal of wireless microphone receives structure, mainly for example, to connect a plurality of Long-distance Control communication interface receivers with a Long-distance Control communication (RS485) interface main frame, and make the signal range of receiving of each receiver enlarge via overlapping being connected, impel arbitrary receiver to pass main frame back after receiving wireless microphone signals, to reach the purpose that enlarges the wireless microphone scope of application, so can provide following benefit after enforcement:

Because the utility model is to connect a plurality of receiver with a main frame to be formed, and (for example the receiving range of receiver is a hectometer to make setting position between a plurality of receivers reach extended effect according to its signal receiving range via overlapping being connected mutually, between two receivers, overlap each other 20 meters and while being connected, can reach the effect that extends 180 meters of receiving ranges to), therefore the signal of wireless microphone can output signal to main frame by interrogated (selecting stronger signal source) by automatic choosing by the receiver antenna reception of diverse location, so volume and the quality of main frame output all can effectively promote, solve environment dead angle and the too short problem of receiving range, thoroughly improve staccato, the shortcoming of noise.

The utility model adopts the structural design mode of a main frame to multiple collector, utilize the Long-distance Control communication interface to carry out the Long-distance Control communication, so need not emphasize at each receiver under the characteristic of high-power (receiving range), the cost of every receiver is comparatively cheap, and better again with the effect after main frame composition expansion signal range of receiving.

Main frame of the present utility model not only can be controlled each receiver channel and be switched, and can provide power supply to receiver by the holding wire signal transmission and by main frame, so the total configuration very simply can complete, is applicable to very much the user and installs and uses voluntarily.

The accompanying drawing explanation

For making the auditor can really understand the function and benefit that structure of the present utility model forms and can reach, enumerate embodiment below in conjunction with accompanying drawing, introduce in detail explanation as after, wherein:

Fig. 1 is main machine structure schematic diagram of the present utility model.

Fig. 2 is receiver architecture calcspar of the present utility model.

Fig. 3 is composition state diagram of the present utility model.

Fig. 4 is one of use state reference map of the present utility model.

Fig. 5 is two of use state reference map of the present utility model.

Fig. 6 is three of use state reference map of the present utility model.

Embodiment

The utility model is that a kind of signal of wireless microphone receives structure, mainly for example, via holding wire 3, to connect a plurality of Long-distance Control communication interface receivers 2 (as shown in Figure 1, Figure 2, Figure 3 shows) with a Long-distance Control communication (adopting RS485) interface main frame 1, and make the signal range of receiving of each receiver 2 enlarge via overlapping being connected, impel arbitrary receiver 2 receiving wireless microphone signals by by the Long-distance Control communication, passing main frame 1 back, to reach the purpose that enlarges the wireless microphone scope of application.

Wherein, receiver 2 of the present utility model is built-in two receiver modules 22 (receiver L and R) the respective signals that receives two wireless microphones with double-antenna structure, impel signal that receiver module 22 receives can obtain via automatic choosing news stronger signal and exported that (receiver module 22 receives wireless microphone signals by radio circuit filtering, smear, demodulate voice signal and voltage signal, and voltage signal changes into digital signal via the single chip microcomputer 23 of receiver 2), and the port 21 of 2, receiver 2 and main frame, the 11st, via holding wire 3 connections, (port in the utility model is to adopt the RJ45 joint chair, holding wire 3 is grid line, by holding wire 3 signal transmissions and by main frame 1, provide power supply to receiver 2, after wherein main frame 1 is received the digital signal that each receiver 2 transmits by the Long-distance Control communication, to be compared by the single chip microcomputer 12 of main frame 1 receiver 2 of stronger signal, then automatically select the voice output of the voice signal of this receiver 2 as main frame 1 via Audio conversion switch 13), can make signal amplify via the audio frequency of main frame 1 and Audio conversion switch 13 and carry out signal output (for example amplifying via sound amplifier), reaching wireless microphone signals can pass the purpose that main frame 1 exported back via receiver 2 (single chip microcomputer 12 of main frame 1 inside also can be by the Long-distance Control communication and by channel, frequency, the data transmissions such as volume are to each receiver 2, to control, change the channel of each receiver 2, frequency, volume).

Therefore, the utility model can distinctly be arranged on diverse location by a plurality of receivers 2 and connect main frame 1 (or connecting again main frame 1 after connecting with holding wire 3 serial connections between receiver 2) with holding wire 3, make the range of receiving of each receiver 2 overlap each other connected and form extended effect (as shown in Figure 4, for example the receiving range of receiver is a hectometer, between two receivers, overlap each other 20 meters and while being connected, can reach the effect that extends 180 meters of receiving ranges to), so can arbitrarily walk about during user's hand-held wireless microphone, in the overlapping scope gone out of 2 of a plurality of receivers, use, and after can receiver 2 antenna receptions by diverse location when wireless microphone sends signal, output signal to main frame 1 via automatic choosing news (selecting stronger signal source), so volume and the quality of main frame 1 output all can effectively promote, solve environment dead angle and the too short problem of receiving range, thoroughly improve staccato, the shortcoming of noise, so not only can be useful in large-area field of employment (as shown in Figure 5), the signal also be useful in very much between floor receives (as shown in Figure 6).

Claims

1. the signal of a wireless microphone receives structure, it is characterized in that, mainly to connect a plurality of RS485 interface receivers with a RS485 interface main frame via holding wire, and make the signal range of receiving of each receiver enlarge via overlapping being connected, impel arbitrary receiver receiving wireless microphone signals by by the communication of RS485 Long-distance Control, passing main frame back, and from main frame, provide power supply to receiver by holding wire, reach the purpose that enlarges the wireless microphone scope of application.

2. the signal of wireless microphone according to claim 1 receives structure, it is characterized in that, wherein the receiver module in receiver is obtained stronger signal by signal via automatic choosing news and exported to main frame.