CN105823551A - Wireless transmission type sound monitoring control system - Google Patents
Wireless transmission type sound monitoring control system Download PDFInfo
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- CN105823551A CN105823551A CN201610232035.7A CN201610232035A CN105823551A CN 105823551 A CN105823551 A CN 105823551A CN 201610232035 A CN201610232035 A CN 201610232035A CN 105823551 A CN105823551 A CN 105823551A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a wireless transmission type sound monitoring control system, including a monitoring device and a control device. The monitoring device includes a first single-chip microcomputer, a buzzer, a first power supply, a wireless signal transmission module and a signal filtering processing circuit which are connected with the first single-chip microcomputer, and a sound transducer connected with the input end of the signal filtering processing circuit; the output end of the signal filtering processing circuit is connected with the first single-chip microcomputer; and the control device includes a second single-chip microcomputer, and a display, a keyboard, a wireless signal receiving circuit and a second power supply which are connected with the second single-chip microcomputer. According to the wireless transmission type sound monitoring control system, acoustic waves of sound in a ward are collected through the sound transducer, and at the same time, are processed by the first single-chip microcomputer and are wirelessly transmitted to the second single-chip microcomputer to be analyzed and processed to obtain and display a sound decibel value, so that medical care personnel can effectively know acoustic information of the ward, thereby ensuring that patients can have a rest in a quiet environment.
Description
Technical field
The present invention relates to electronic applications, specifically, be a kind of mode of wireless transmission sound monitor control system.
Background technology
Many places in life are required for controlling noise at present, in order to providing a quiet environment to people, the ward of such as hospital is accomplished by the environment quietly having a rest to patient, the rehabilitation of quiet rest environmental benefits patient Yu.But; ward back warp often someone will visit patient; these people often ignore the existence of other patients; loud confused noise; have a strong impact on the normal rest of other patient; and medical personnel cannot understand these situations in time, the people of loud confused noise is stoped, enables ward to keep quite to patient's quiet rest environment.
Therefore, how to allow medical personnel can understand the information makeed an uproar loudly with or without personnel in ward in time, be people be eager solve problem.
Summary of the invention
It is an object of the invention to the defect overcoming current medical personnel cannot understand the information makeed an uproar loudly with or without personnel in ward in time, it is provided that a kind of mode of wireless transmission sound monitor control system.
The present invention is achieved through the following technical solutions: a kind of mode of wireless transmission sound monitor control system, including monitoring device, and controls device；Described monitoring device includes that the first single-chip microcomputer, the buzzer being all connected with the first single-chip microcomputer, the first power supply, wireless signal transmission module and signal filtering process circuit, and processes, with signal filtering, the sound transducer that the input of circuit is connected；Outfan and first single-chip microcomputer of described signal filtering process circuit are connected；Described control device includes second singlechip, and display, keyboard, wireless signal receiving circuit and the second source being all connected with second singlechip；Described wireless signal receiving circuit includes wireless receiver A, and the wireless signal being connected with wireless receiver A processes circuit；Described wireless signal transmission module connects with wireless signal that device A is wireless to be connected.
nullDescribed wireless signal processes circuit by integrated chip U，Audion VT2，Audion VT3，Audion VT4，P pole a pin with wireless receiver A after resistance R14 is connected、The diode D5 that N pole is connected with the emitter stage of audion VT2，Negative pole is connected with the base stage of audion VT3、The polar capacitor C7 that positive pole is connected with the b pin of wireless receiver A after resistance R15，P pole C pin with wireless receiver A after resistance R17 is connected、The diode D6 that N pole is connected with the d pin of wireless receiver A after resistance R16，Positive pole is connected with the emitter stage of audion VT3、The polar capacitor C8 that negative pole is connected with the N pole of diode D6 after resistance R20，N pole is connected with the VO1 pin of integrated chip U、The diode D7 that P pole colelctor electrode with audion VT3 after resistance R18 is connected，One end is connected with the colelctor electrode of audion VT2、The resistance R19 that the other end is connected with the N pole of diode D6，Negative pole is sequentially connected through resistance R21 emitter stage with audion VT2 after resistance R22、The polar capacitor C10 that positive pole is connected with the VIN3 pin of integrated chip U，Negative pole is connected with the N pole of diode D6、The polar capacitor C9 that positive pole is connected with the base stage of audion VT4，Positive pole is connected with the VIN2 pin of integrated chip U、The polar capacitor C12 that negative pole is sequentially connected through resistance R26 base stage with audion VT4 after resistance R24，N pole is connected with the emitter stage of audion VT4、The diode D8 that P pole VO2 pin with integrated chip U after resistance R25 is connected，Negative pole VCTC pin with integrated chip U after resistance R23 is connected、Positive pole is as the polar capacitor C11 of the outfan of wireless signal receiving circuit，And P pole is connected with the positive pole of polar capacitor C11、The light emitting diode D9 composition that N pole is connected with the emitter stage of audion VT4；The base stage of described audion VT2 is connected with the colelctor electrode of audion VT3, and the emitter stage of this audion VT2 is connected with the VIN1 pin of integrated chip U；The SV pin of described integrated chip U is all connected with VO1 pin with PV pin, and its VIN3 pin is connected with the colelctor electrode of audion VT4；The emitter stage of described audion VT4 is connected with the N pole of diode D6；The N pole of described diode D5 is connected with the colelctor electrode of audion VT3.
Described signal filtering processes circuit and includes signal receiving circuit, the filter amplifying processing circuit being connected with the outfan of signal receiving circuit with input；Outfan and first single-chip microcomputer of described filter amplifying processing circuit are connected.
Described signal receiving circuit is by amplifier P1, positive pole is connected with the positive pole of amplifier P, negative pole is as the polar capacitor C2 of the input of signal receiving circuit, the diode D1 that P pole is connected with the positive pole of amplifier P1, N pole outfan with amplifier P1 after resistance R2 is connected, and the negative pole polar capacitor C1 that positive pole is connected, positive pole is connected with the outfan of amplifier P1 composition with amplifier P1 after resistance R1；The minus earth of described amplifier P1, its outfan is as the outfan of signal receiving circuit.
nullDescribed filter amplifying processing circuit includes amplifier P2，Amplifier P3，Audion VT1，Negative pole positive pole with amplifier P2 after resistance R4 is connected、The polar capacitor C4 that positive pole outfan with amplifier P1 after resistance R3 is connected，P pole emitter stage with audion VT1 after resistance R5 is connected、The diode D3 that N pole positive pole with amplifier P3 after adjustable resistance R9 is connected，N pole is connected with the colelctor electrode of audion VT1、The diode D2 that P pole is connected with the N pole of diode D3 after resistance R6，Positive pole is connected with the P pole of diode D2、The polar capacitor C3 of minus earth，Positive pole is connected with the outfan of amplifier P2、The polar capacitor C5 that negative pole is sequentially connected with the P pole of diode D3 after resistance R7 through resistance R8，N pole outfan with amplifier P3 after resistance R12 is connected、The diode D4 that P pole negative pole with amplifier P3 after resistance R11 is connected，One end is connected with the negative pole of amplifier P3、The resistance R10 of other end ground connection，And positive pole outfan with amplifier P3 after resistance R13 is connected、Negative pole forms as the polar capacitor C6 of the outfan of filter amplifying processing circuit；The base stage of described audion VT1 is connected with the positive pole of polar capacitor C4；The minus earth of described amplifier P2.
For guaranteeing the practical effect of the present invention, described sound transducer is RB-02S074 sound transducer；Described integrated chip U is the integrated chip of NE555；Described wireless receiver A is BCM1B receptor.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) in the ward that the monitoring device of the present invention monitors, the acoustic signals of sound is transferred to control device by the way of being wirelessly transferred, simultaneously, control the sound decibel value obtaining in ward after the device electric carrier signal by wireless receiving and to reception is analyzed processing, medical personnel then can understand this sound decibel number evidence by controlling the display of device, thus the information that medical personnel make an uproar loudly with or without personnel in effectively understanding ward.
(2) the electric carrier signal that wireless signal transmission module is transmitted can be received, amplify, demodulate by the wireless signal receiving circuit of the present invention, and electricity carrier signal is converted to data signal；Meanwhile, this circuit can also eliminate the interference signal in the data signal after conversion, and exports after the data signal amplification after anti-interference process, so that it is guaranteed that the accuracy of the data signal of second singlechip reception.
(3) the interference signal in the signal of telecommunication of sound transducer output can be eliminated by the signal filtering process circuit of the present invention, simultaneously, the signal of telecommunication after anti-interference process can also be converted to data signal by this circuit, and this data signal is carried out Filtering Processing again, it is transferred to the first single-chip microcomputer after finally the data signal after Filtering Processing being amplified, thus improves the accuracy of the data signal that the first single-chip microcomputer receives.
(4) acoustic information in ward is acquired by the RB-02S074 sound transducer that present invention employs stable performance, this sound transducer can effectively gather this information parallel of the acoustic information in ward and be converted to the signal of telecommunication and be transferred to the first single-chip microcomputer, ensures that this sound monitor control system can effectively monitor the acoustic situations in ward.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of the signal filtering process circuit of the present invention.
Fig. 3 is the electrical block diagram of the wireless signal receiving circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As it is shown in figure 1, the present invention includes monitoring device, and control device；Described monitoring device includes that the first single-chip microcomputer, the buzzer being all connected with the first single-chip microcomputer, the first power supply, wireless signal transmission module and signal filtering process circuit, and processes, with signal filtering, the sound transducer that the input of circuit is connected；Outfan and first single-chip microcomputer of described signal filtering process circuit are connected；Described control device includes second singlechip, and display, keyboard, wireless signal receiving circuit and the second source being all connected with second singlechip.Wherein, described signal filtering processes circuit as in figure 2 it is shown, it includes signal receiving circuit and filter amplifying processing circuit.
For guaranteeing the reliability service of the present invention, first single-chip microcomputer of the present invention and second singlechip the most preferentially have employed FM8PE59A single-chip microcomputer.Wherein, the TI0 pin of a FM8PE59A single-chip microcomputer is connected with buzzer, and VIN1 pin and the first power supply are connected, and POUT pin is connected with wireless signal transmission module；Meanwhile, the CKI pin of the 2nd FM8PE59A single-chip microcomputer is connected with display, and VIN2 pin is connected with second source, and IOC pin is connected with keyboard.The first described power supply is 12V DC voltage, and this voltage is that the first single-chip microcomputer is powered；Described second source is also 12V DC voltage, and this voltage is that second singlechip is powered.
When the present invention runs, described sound transducer the most preferentially have employed the RB-02S074 sound transducer of stable performance and realizes, this sound transducer is for gathering the acoustic signals of sound in ward, and the acoustic signals of collection is to process circuit transmission through signal filtering after the signal of telecommunication by this sound transducer simultaneously.The interference signal that signal filtering processes in the signal of telecommunication that sound transducer is exported by circuit eliminates, simultaneously, the signal of telecommunication after anti-interference process is also converted to data signal by this circuit, and this data signal is carried out Filtering Processing again, it is transferred to the first single-chip microcomputer after finally the data signal after Filtering Processing being amplified.
Simultaneously, first single-chip microcomputer transmits through wireless signal transmission module after then the data signal received being processed, the data signal that first single-chip microcomputer is transmitted by this wireless signal transmission module is converted to electricity carrier signal after processing, this wireless signal transmission module is by being wirelessly transferred the electric carrier signal transmission after changing to wireless signal receiving circuit.The electric carrier signal that wireless signal transmission module is transmitted by this wireless signal receiving circuit is received, amplifies, demodulates, and electricity carrier signal is converted to data signal；Simultaneously, the interference signal that this circuit will eliminate in the data signal after changing, and it is transferred to second singlechip after the data signal after anti-interference process being amplified, second singlechip obtains the decibel value of sound after being analyzed the data signal of reception processing, the display that the sound decibel value obtained is transferred to be connected is shown by this second singlechip.Now, medical personnel then can recognize the acoustic situations in ward by this display.The sound decibel being generally best suitable for people's rest is 20～40dB, when the decibel value shown by display is more than 40dB, medical personnel then pass through input through keyboard alarm control signal to second singlechip, control signal of reporting to the police will be transferred to the first single-chip microcomputer after signal processing by the way of being wirelessly transferred by this second singlechip, first single-chip microcomputer then exports electric current to buzzer, buzzer sends prompt tone, the people of the loud confused noise of prompting reduces sound and keeps quite, after the sound decibel value of the display of display drops to 20～40dB, medical personnel then close buzzer by input through keyboard control signal.Therefore, medical personnel can effectively understand the acoustic information in ward, so that it is guaranteed that patient can have a rest in quiet environment by the sound monitor control system of the present invention.
As in figure 2 it is shown, described signal filtering processes circuit includes signal receiving circuit and filter amplifying processing circuit；Described signal receiving circuit is made up of amplifier P1, resistance R1, resistance R2, polar capacitor C1, polar capacitor C2, and diode D1.
During connection, the positive pole of polar capacitor C2 is connected with the positive pole of amplifier P, negative pole as the input of signal receiving circuit and is connected with sound transducer.The P pole of diode D1 is connected with the positive pole of amplifier P1, N pole outfan with amplifier P1 after resistance R2 is connected.The negative pole of polar capacitor C1 positive pole with amplifier P1 after resistance R1 is connected, positive pole is connected with the outfan of amplifier P1.The minus earth of described amplifier P1, its outfan as the outfan of signal receiving circuit and is connected with filter amplifying processing circuit.
Further, described filter amplifying processing circuit includes amplifier P2, amplifier P3, audion VT1, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, adjustable resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, polar capacitor C3, polar capacitor C4, polar capacitor C5, polar capacitor C6, diode D2, diode D3, and diode D4 form.
During connection, the negative pole of polar capacitor C4 positive pole with amplifier P2 after resistance R4 is connected, positive pole outfan with amplifier P1 after resistance R3 is connected.The P pole of diode D3 emitter stage with audion VT1 after resistance R5 is connected, N pole positive pole with amplifier P3 after adjustable resistance R9 is connected.The N pole of diode D2 is connected with the colelctor electrode of audion VT1, N pole with diode D3 after resistance R6, P pole is connected.The positive pole of polar capacitor C3 is connected with the P pole of diode D2, minus earth.
Wherein, the positive pole of polar capacitor C5 be connected with the outfan of amplifier P2, negative pole sequentially after resistance R8 and resistance R7 P pole with diode D3 be connected.The N pole of diode D4 outfan with amplifier P3 after resistance R12 is connected, P pole negative pole with amplifier P3 after resistance R11 is connected.One end of resistance R10 is connected with the negative pole of amplifier P3, other end ground connection.The positive pole of polar capacitor C6 outfan with amplifier P3 after resistance R13 is connected, negative pole as the outfan of filter amplifying processing circuit and is connected with the IOA0 pin of a FM8PE59A single-chip microcomputer.The base stage of described audion VT1 is connected with the positive pole of polar capacitor C4；The minus earth of described amplifier P2.
During operation, signal filtering processes polar capacitor C2 and amplifier P1 and diode D1 and the polar capacitor C1 formation signal receiving circuit of circuit, and the signal of telecommunication that sound transducer is exported by polar capacitor C2 filters, and eliminates the interference signal in the signal of telecommunication.Simultaneously, this circuit can also be transferred to the filter amplifying processing circuit formed by amplifier P2 and amplifier P3 and polar capacitor C6 and diode D3 etc. after being amplified by the signal of telecommunication after anti-interference process, this signal of telecommunication is converted to data signal by the transducer that the diode D2 and audion VT1 of this circuit and amplifier P2 are formed, this data signal is also carried out Filtering Processing again by amplifier P3 and polar capacitor C6, it is transferred to the first single-chip microcomputer after finally the data signal after Filtering Processing being amplified, thus improves the accuracy of the data signal that the first single-chip microcomputer receives.
As it is shown on figure 3, described wireless signal receiving circuit includes that wireless receiver A and wireless signal process circuit；Described wireless signal processes circuit by integrated chip U, audion VT2, audion VT3, audion VT4, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, polar capacitor C7, polar capacitor C8, polar capacitor C9, polar capacitor C10, polar capacitor C11, polar capacitor C12, diode D5, diode D6, diode D7, diode D8 and light emitting diode D9 form.
During connection, the P pole of diode D5 a pin with wireless receiver A after resistance R14 is connected, N pole is connected with the emitter stage of audion VT2.The negative pole of polar capacitor C7 is connected with the base stage of audion VT3, positive pole b pin with wireless receiver A after resistance R15 is connected.The P pole of diode D6 C pin with wireless receiver A after resistance R17 is connected, N pole d pin with wireless receiver A after resistance R16 is connected.The positive pole of polar capacitor C8 is connected with the emitter stage of audion VT3, negative pole N pole with diode D6 after resistance R20 is connected.
Wherein, the N pole of diode D7 is connected with the VO1 pin of integrated chip U, P pole colelctor electrode with audion VT3 after resistance R18 is connected.One end of resistance R19 is connected with the colelctor electrode of audion VT2, the other end is connected with the N pole of diode D6.The negative pole of polar capacitor C10 is sequentially connected with the emitter stage of audion VT2 after resistance R22 through resistance R21, positive pole is connected with the VIN3 pin of integrated chip U.The negative pole of polar capacitor C9 is connected with the N pole of diode D6, positive pole is connected with the base stage of audion VT4.
Meanwhile, the positive pole of polar capacitor C12 be connected with the VIN2 pin of integrated chip U, negative pole sequentially after resistance R26 and resistance R24 base stage with audion VT4 be connected.The N pole of diode D8 is connected with the emitter stage of audion VT4, P pole VO2 pin with integrated chip U after resistance R25 is connected.The negative pole of polar capacitor C11 VCTC pin with integrated chip U after resistance R23 is connected, positive pole as the outfan of wireless signal receiving circuit and is connected with the 2nd FM8PE59A single-chip microcomputer IOA1 pin.The P pole of light emitting diode D9 is connected with the positive pole of polar capacitor C11, N pole is connected with the emitter stage of audion VT4.
The base stage of described audion VT2 is connected with the colelctor electrode of audion VT3, and the emitter stage of this audion VT2 is connected with the VIN1 pin of integrated chip U；The SV pin of described integrated chip U is all connected with VO1 pin with PV pin, and its VIN3 pin is connected with the colelctor electrode of audion VT4；The emitter stage of described audion VT4 is connected with the N pole of diode D6；The N pole of described diode D5 is connected with the colelctor electrode of audion VT3.
During operation, the wireless receiver A of wireless signal receiving circuit is for receiving the electric carrier signal that wireless signal transmission module is wirelessly transferred, the electric carrier signal that wireless signal transmission module is transmitted by this electricity carrier signal through wireless signal process circuit is amplified, demodulates, and electricity carrier signal is converted to data signal；Meanwhile, this circuit can also eliminate the interference signal in the data signal after conversion, and exports after the data signal amplification after anti-interference process, so that it is guaranteed that the accuracy of the data signal of second singlechip reception.In order to preferably implement the present invention, the integrated chip of NE555 that described integrated chip U the most preferentially uses stable performance realizes；Meanwhile, the BCM1B receptor that described wireless receiver A the most preferentially uses signal receiving performance stable realizes.
According to above-described embodiment, can well realize the present invention.
Claims (7)
1. a mode of wireless transmission sound monitor control system, it is characterised in that include monitoring device, and control device；Described monitoring device includes that the first single-chip microcomputer, the buzzer being all connected with the first single-chip microcomputer, the first power supply, wireless signal transmission module and signal filtering process circuit, and processes, with signal filtering, the sound transducer that the input of circuit is connected；Outfan and first single-chip microcomputer of described signal filtering process circuit are connected；Described control device includes second singlechip, and display, keyboard, wireless signal receiving circuit and the second source being all connected with second singlechip；Described wireless signal receiving circuit includes wireless receiver A, and the wireless signal being connected with wireless receiver A processes circuit；Described wireless signal transmission module connects with wireless signal that device A is wireless to be connected.
nullA kind of mode of wireless transmission sound monitor control system the most according to claim 1，It is characterized in that，Described wireless signal processes circuit by integrated chip U，Audion VT2，Audion VT3，Audion VT4，P pole a pin with wireless receiver A after resistance R14 is connected、The diode D5 that N pole is connected with the emitter stage of audion VT2，Negative pole is connected with the base stage of audion VT3、The polar capacitor C7 that positive pole is connected with the b pin of wireless receiver A after resistance R15，P pole C pin with wireless receiver A after resistance R17 is connected、The diode D6 that N pole is connected with the d pin of wireless receiver A after resistance R16，Positive pole is connected with the emitter stage of audion VT3、The polar capacitor C8 that negative pole is connected with the N pole of diode D6 after resistance R20，N pole is connected with the VO1 pin of integrated chip U、The diode D7 that P pole colelctor electrode with audion VT3 after resistance R18 is connected，One end is connected with the colelctor electrode of audion VT2、The resistance R19 that the other end is connected with the N pole of diode D6，Negative pole is sequentially connected through resistance R21 emitter stage with audion VT2 after resistance R22、The polar capacitor C10 that positive pole is connected with the VIN3 pin of integrated chip U，Negative pole is connected with the N pole of diode D6、The polar capacitor C9 that positive pole is connected with the base stage of audion VT4，Positive pole is connected with the VIN2 pin of integrated chip U、The polar capacitor C12 that negative pole is sequentially connected through resistance R26 base stage with audion VT4 after resistance R24，N pole is connected with the emitter stage of audion VT4、The diode D8 that P pole VO2 pin with integrated chip U after resistance R25 is connected，Negative pole VCTC pin with integrated chip U after resistance R23 is connected、Positive pole is as the polar capacitor C11 of the outfan of wireless signal receiving circuit，And P pole is connected with the positive pole of polar capacitor C11、The light emitting diode D9 composition that N pole is connected with the emitter stage of audion VT4；The base stage of described audion VT2 is connected with the colelctor electrode of audion VT3, and the emitter stage of this audion VT2 is connected with the VIN1 pin of integrated chip U；The SV pin of described integrated chip U is all connected with VO1 pin with PV pin, and its VIN3 pin is connected with the colelctor electrode of audion VT4；The emitter stage of described audion VT4 is connected with the N pole of diode D6；The N pole of described diode D5 is connected with the colelctor electrode of audion VT3.
A kind of mode of wireless transmission sound monitor control system the most according to claim 2, it is characterised in that outfan and first single-chip microcomputer of described signal filtering process circuit are connected；Described signal filtering processes circuit and includes signal receiving circuit, the filter amplifying processing circuit being connected with the outfan of signal receiving circuit with input；Outfan and first single-chip microcomputer of described filter amplifying processing circuit are connected.
A kind of mode of wireless transmission sound monitor control system the most according to claim 3, it is characterized in that, described signal receiving circuit is by amplifier P1, positive pole is connected with the positive pole of amplifier P, negative pole is as the polar capacitor C2 of the input of signal receiving circuit, the diode D1 that P pole is connected with the positive pole of amplifier P1, N pole outfan with amplifier P1 after resistance R2 is connected, and the negative pole polar capacitor C1 that positive pole is connected, positive pole is connected with the outfan of amplifier P1 composition with amplifier P1 after resistance R1；The minus earth of described amplifier P1, its outfan is as the outfan of signal receiving circuit.
nullA kind of mode of wireless transmission sound monitor control system the most according to claim 4，It is characterized in that，Described filter amplifying processing circuit includes amplifier P2，Amplifier P3，Audion VT1，Negative pole positive pole with amplifier P2 after resistance R4 is connected、The polar capacitor C4 that positive pole outfan with amplifier P1 after resistance R3 is connected，P pole emitter stage with audion VT1 after resistance R5 is connected、The diode D3 that N pole positive pole with amplifier P3 after adjustable resistance R9 is connected，N pole is connected with the colelctor electrode of audion VT1、The diode D2 that P pole is connected with the N pole of diode D3 after resistance R6，Positive pole is connected with the P pole of diode D2、The polar capacitor C3 of minus earth，Positive pole is connected with the outfan of amplifier P2、The polar capacitor C5 that negative pole is sequentially connected with the P pole of diode D3 after resistance R7 through resistance R8，N pole outfan with amplifier P3 after resistance R12 is connected、The diode D4 that P pole negative pole with amplifier P3 after resistance R11 is connected，One end is connected with the negative pole of amplifier P3、The resistance R10 of other end ground connection，And positive pole outfan with amplifier P3 after resistance R13 is connected、Negative pole forms as the polar capacitor C6 of the outfan of filter amplifying processing circuit；The base stage of described audion VT1 is connected with the positive pole of polar capacitor C4；The minus earth of described amplifier P2.
A kind of mode of wireless transmission sound monitor control system the most according to claim 5, it is characterised in that described sound transducer is RB-02S074 sound transducer.
A kind of mode of wireless transmission sound monitor control system the most according to claim 6, it is characterised in that described integrated chip U is the integrated chip of NE555；Described wireless receiver A is BCM1B receptor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232035.7A CN105823551A (en) | 2016-04-13 | 2016-04-13 | Wireless transmission type sound monitoring control system |
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| CN201610232035.7A CN105823551A (en) | 2016-04-13 | 2016-04-13 | Wireless transmission type sound monitoring control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029692A (en) * | 2018-07-12 | 2018-12-18 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Wearable patient-specific susceptibility assesses early warning system |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029692A (en) * | 2018-07-12 | 2018-12-18 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Wearable patient-specific susceptibility assesses early warning system |
| CN109029692B (en) * | 2018-07-12 | 2019-06-11 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Wearable patient-specific susceptibility assesses early warning system |
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Application publication date: 20160803 |