CN103096198A - Induction microphone circuit and method of achieving induction microphone - Google Patents
Induction microphone circuit and method of achieving induction microphone Download PDFInfo
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- CN103096198A CN103096198A CN201310042093XA CN201310042093A CN103096198A CN 103096198 A CN103096198 A CN 103096198A CN 201310042093X A CN201310042093X A CN 201310042093XA CN 201310042093 A CN201310042093 A CN 201310042093A CN 103096198 A CN103096198 A CN 103096198A
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Abstract
The invention provides an induction microphone circuit and a method of achieving the induction microphone. The induction microphone circuit comprises an induction touch point, an induction processing module, a microprogrammed control unit (MCU) processor and a microphone switch module. The induction touch point is arranged on an induction microphone and used for inducting human touch signals. The induction processing module is connected with the induction touch point, is used for receiving induction signals of the induction touch point and transforms the induction signals into signals which can be received by the MCU processor. The MCU processor is used for receiving signals of the induction processing module and judging whether the induction microphone is opened. The microphone switch module is used for controlling the opening or the closing of a working circuit of the induction microphone. The induction microphone circuit and the method of achieving the induction microphone achieve the function that the induction microphone automatically starts up and works when a lecturer takes up the microphone. The working mode is intelligent, using time of a battery of the wireless microphone is prolonged, and energy is saved. Meanwhile, a device which stirs a switch by hand is eliminated, and fault rate is reduced.
Description
Technical field
The present invention relates to the loudspeaker field, refer to especially a kind of inductive microphone circuit and realize the method for inductive microphone.
Background technology
Wireless microphone is widely used in the occasions such as classroom, Classroom, meeting room, multifunctional hall, court, Karaoke because of its convenience.But what at present on the market wireless microphone used is all the push-button switch of push type or the plectrum switch of dial type, and the user forgets when putting down microphone through being everlasting and closes microphone switch, certainly will cause like this waste of the energy, and can shorten the useful life of battery.In addition, in the frequent occasion of switching the spokesman, the mode of this switching manipulation also can be brought certain trouble to the spokesman.Must be to carry out pro-active intervention just can complete the opening and closing of MPS microphone power supply by the people just because of the push-button switch of push type and the plectrum switch of dial type, this just inevitably can bring above-mentioned problem.And because the market maintenance of wireless microphone is very huge, so the energy waste that the defective of on-off mode is brought is also very huge.
Summary of the invention
The present invention proposes a kind of inductive microphone circuit and realizes the method for inductive microphone, has solved and just can complete the problem of MPS microphone power supply opening and closing by people's active operation in the prior art.
Technical scheme of the present invention is achieved in that
A kind of inductive microphone circuit, it comprises touch sensitive point, induction processing module, MCU processor and microphone switch module;
Described touch sensitive point is arranged on inductive microphone, is used for induction human body touch signal;
Described induction processing module is connected with described touch sensitive point, is used for receiving the induced signal of described touch sensitive point, and is translated into the receivable signal of described MCU processor;
Described MCU processor is connected with described induction processing module, is used for receiving the signal of described induction processing module, and judges whether to open inductive microphone;
Described microphone switch module is connected with described MCU processor, is used for controlling the operating circuit closure or openness of described inductive microphone.
Preferably, described MCU processor is in single-chip microcomputer STC11 series one.
Preferably, described induction processing module comprises touch sensible chip TCH01.
Preferably, described touch sensitive point is induction metal plate.
The present invention also proposes a kind of method that realizes inductive microphone, and the method adopts single-chip microcomputer STC11F04 to be connected with chip TCH01A/H, and it specifically comprises the steps:
Step 1: when human body touched touch sensitive point on inductive microphone, chip TCH01A/H induced induced voltage, and the output high level is to described single-chip microcomputer STC11F04;
Step 2: the control pin of described single-chip microcomputer STC11F04 is exported high level, makes the electric power starting of described inductive microphone, starts working.
Preferably, the high level in described step 1 and step 2 is 5V.
Preferably, the duration of the output of the control pin described in described step 2 high level is 3 seconds.
The present invention realized when the spokesman hangs on, and inductive microphone is opened the function of starting working automatically, makes mode of operation more intelligent, and has extended the service time of battery in the wireless microphone, has saved the energy.Simultaneously also can save the device of manual toggle switch, reduce probability of malfunction.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the module connection diagram of inductive microphone circuit preferred embodiment of the present invention;
Fig. 2 is the circuit principle structure figure of inductive microphone circuit preferred embodiment of the present invention;
Fig. 3 is the perspective structure schematic diagram of inductive microphone preferred embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As depicted in figs. 1 and 2, inductive microphone circuit of the present invention comprises touch sensitive point, induction processing module, MCU processor and microphone switch module; Wherein said touch sensitive point is arranged on inductive microphone, is used for induction human body touch signal; Described induction processing module is connected with described touch sensitive point, is used for receiving the induced signal of described touch sensitive point, and is translated into the receivable signal of described MCU processor; Described MCU processor is connected with described induction processing module, is used for receiving the signal of described induction processing module, and judges whether to open inductive microphone; Described microphone switch module is connected with described MCU processor, is used for controlling the operating circuit closure or openness of described inductive microphone.
When the spokesman hangs on, touch described touch sensitive point, described induction processing module receives induced signal, and this induced signal is sent to described MCU processor, described MCU processor sends the signal of connecting the inductive microphone working power, inductive microphone is opened automatically, started working; When the spokesman put down microphone, described touch sensitive point did not receive induced signal, microphone automatic disconnection working power, autoshutdown.Whether the present invention hangs on by the induction human body, reaches the function that opens and closes automatically microphone, and mode of operation is more intelligent, and has extended the service time of battery in the wireless microphone, has saved the energy.Simultaneously also can save the device of manual toggle switch, reduce probability of malfunction.
Sensor circuit of the present invention can adopt in single-chip microcomputer STC11 series one as the MCU processor; Adopt touch sensible chip TCH01 as the induction processing module.In preferred embodiment as shown in Figure 2, single-chip microcomputer adopts STC11F04, and the induction processing module adopts TCH01A/H, and connects by the K1 pin that represents in Fig. 2, described touch sensitive point adopts induction metal plate, and this induction metal plate is connected to the pin P2 place in Fig. 2.Because single-chip microcomputer STC11F04 and chip TCH01A/H all have chip of the prior art, its pin definitions and parameter can be referring to its databooks, therefore do not repeat them here.
The present invention also proposes a kind of method that realizes inductive microphone, the method adopts single-chip microcomputer STC11F04 to be connected with chip TCH01A/H, it specifically comprises the steps: step 1: when human body touches touch sensitive point on inductive microphone, chip TCH01A/H induces induced voltage, and the output high level is to described single-chip microcomputer STC11F04; Step 2: the control pin of described single-chip microcomputer STC11F04 is exported high level, makes the electric power starting of described inductive microphone, starts working.
The below is take circuit shown in Figure 2 as example, the Method and Process of its induction is described: when human body not during the contact induction microphone, the pin KEY(of chip TCH01A/H is the touch-control pin) can not respond to voltage, pin OUT(is pin K1) output low level, and be connected with the P37 pin of single-chip microcomputer STC11F04, make the P17 pin output high level of single-chip microcomputer STC11F04, the time that its high level continues is about 3 seconds; Simultaneously, the P16 pin output low level of single-chip microcomputer STC11F04 is closed MPS microphone power supply.When human body touches inductive microphone, the pin KEY of chip TCH01A/H induces the weak voltage of 20 millivolts of left and right, pin OUT exports high level, at this moment, the P17 pin output high level of 3 seconds of single-chip microcomputer STC11F04, the P16 pin output high level of single-chip microcomputer STC11F04 is opened MPS microphone power supply, starts working.Described high level is 5 volts in this preferred embodiment.
Above-described embodiment is only a preferred embodiment of the present invention, certainly the present invention also can adopt other MCU processor and touch sensible chip, if the on-off function that can realize controlling the contact of induction human body and control microphone, and be not limited to circuit elements device shown in Figure 2.
The structure of inductive microphone of the present invention as shown in Figure 3, this microphone comprises conduction hand holding handle 1, described conduction hand holding handle 1 inside is provided with described inductive microphone circuit 2, described inductive microphone circuit 2 with described conduction hand holding handle 1 by being connected electric wire 3 electrical connections.Also comprise the pick-up head 4 that is connected on described conduction hand holding handle 1 on this inductive microphone, the voicefrequency circuit of described inductive microphone, supplying cell and described inductive microphone circuit all are arranged at the inside of described conduction hand holding handle 1.
Pick-up head 4 is placed in the upper end of conduction hand holding handle 1, is used for gathering sound; Shown in voicefrequency circuit be that the sound that pick-up head 4 collects is processed, supplying cell and the power supply circuits that match are used for to 2 power supplies of inductive microphone circuit, and the inductive microphone circuit is used for realizing being switched by human body touch or non-touch the switching-on and switching-off state of inductive microphone.Also can be in the hand holding handle outside of existing microphone at a sheathed human body touch induction shell, depend on the hand holding handle outside, be used for gathering the signal of human body touch.
The present invention adopts human body touch induction sensing technology to control the switch of wireless microphone, can avoid extending the useful life of microphone battery because the spokesman forgets the energy waste of closing MPS microphone power supply and causing; And switch occasion frequently the spokesman, each spokesman need not to operate frequently the switch of microphone.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. an inductive microphone circuit, is characterized in that, it comprises touch sensitive point, induction processing module, MCU processor and microphone switch module;
Described touch sensitive point is arranged on inductive microphone, is used for induction human body touch signal;
Described induction processing module is connected with described touch sensitive point, is used for receiving the induced signal of described touch sensitive point, and is translated into the receivable signal of described MCU processor;
Described MCU processor is connected with described induction processing module, is used for receiving the signal of described induction processing module, and judges whether to open inductive microphone;
Described microphone switch module is connected with described MCU processor, is used for controlling the operating circuit closure or openness of described inductive microphone.
2. inductive microphone circuit as claimed in claim 1, is characterized in that, described MCU processor is in single-chip microcomputer STC11 series.
3. inductive microphone circuit as claimed in claim 2, is characterized in that, described induction processing module comprises touch sensible chip TCH01.
4. inductive microphone circuit as claimed in claim 1, is characterized in that, described touch sensitive point is induction metal plate.
5. a method that realizes inductive microphone, is characterized in that, the method adopts single-chip microcomputer STC11F04 to be connected with chip TCH01A/H, and it specifically comprises the steps:
Step 1: when human body touched touch sensitive point on inductive microphone, chip TCH01A/H induced induced voltage, and the output high level is to described single-chip microcomputer STC11F04;
Step 2: the control pin of described single-chip microcomputer STC11F04 is exported high level, makes the electric power starting of described inductive microphone, starts working.
6. the method that realizes inductive microphone as claimed in claim 5, is characterized in that, the high level in described step 1 and step 2 is 5V.
7. the method that realizes inductive microphone as claimed in claim 6, is characterized in that, the duration of the control pin output high level described in described step 2 is 3 seconds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310042093XA CN103096198A (en) | 2013-01-31 | 2013-01-31 | Induction microphone circuit and method of achieving induction microphone |
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| CN201310042093XA CN103096198A (en) | 2013-01-31 | 2013-01-31 | Induction microphone circuit and method of achieving induction microphone |
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| CN103096198A true CN103096198A (en) | 2013-05-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347240A (en) * | 2013-07-02 | 2013-10-09 | 广州瀚诚电子产品有限公司 | Wireless handheld microphone |
| CN103533468A (en) * | 2013-10-30 | 2014-01-22 | 苏州市职业大学 | Microphone with electricity-saving device |
| CN107820143A (en) * | 2017-10-19 | 2018-03-20 | 广州艾美网络科技有限公司 | Microphone senses hanger and program request equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114680Y (en) * | 2007-08-31 | 2008-09-10 | 孔国丰 | Inductive microphone |
| CN101334689A (en) * | 2008-07-25 | 2008-12-31 | 华为技术有限公司 | Bluetooth earphone of auto-switch terminal application program and method |
| CN201491219U (en) * | 2009-09-11 | 2010-05-26 | 上海华平信息技术股份有限公司 | Microphone with energy-saving function |
-
2013
- 2013-01-31 CN CN201310042093XA patent/CN103096198A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114680Y (en) * | 2007-08-31 | 2008-09-10 | 孔国丰 | Inductive microphone |
| CN101334689A (en) * | 2008-07-25 | 2008-12-31 | 华为技术有限公司 | Bluetooth earphone of auto-switch terminal application program and method |
| CN201491219U (en) * | 2009-09-11 | 2010-05-26 | 上海华平信息技术股份有限公司 | Microphone with energy-saving function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347240A (en) * | 2013-07-02 | 2013-10-09 | 广州瀚诚电子产品有限公司 | Wireless handheld microphone |
| CN103347240B (en) * | 2013-07-02 | 2016-02-24 | 广州瀚诚电子产品有限公司 | Wireless handheld microphone |
| CN103533468A (en) * | 2013-10-30 | 2014-01-22 | 苏州市职业大学 | Microphone with electricity-saving device |
| CN107820143A (en) * | 2017-10-19 | 2018-03-20 | 广州艾美网络科技有限公司 | Microphone senses hanger and program request equipment |
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Application publication date: 20130508 |