CN105302022B - A kind of Intelligent microphone system and its implementation based on wireless sense network - Google Patents
A kind of Intelligent microphone system and its implementation based on wireless sense network Download PDFInfo
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- CN105302022B CN105302022B CN201510733077.4A CN201510733077A CN105302022B CN 105302022 B CN105302022 B CN 105302022B CN 201510733077 A CN201510733077 A CN 201510733077A CN 105302022 B CN105302022 B CN 105302022B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21125—Digital value of analog signals depends on range between signal and threshold
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Abstract
The invention discloses a kind of Intelligent microphone system and its implementation based on wireless sense network, the system are to obtain microphone remaining capacity by being embedded in the electricity inductor of microphone, estimate its remaining pot life.When remaining capacity is less than threshold value, dependent instruction is transmitted to processor by Zigbee protocol, issues replacement battery or charge reminder.Meanwhile whether the device using infrared inductor to incude current microphone in use, microphone will be automatically closed when in use less than someone when inductor incudes, to achieve the effect that save electricity.
Description
Technical field
The present invention relates to a kind of Intelligent microphone system and its implementation based on wireless sense network, belong to wireless sensor
The technical field intersected with electronic circuit.
Background technique
Sensor (English name: transducer/sensor) is a kind of detection device, can experience measured letter
Breath, and the information that can will be experienced are for conversion into electric signal or the information output of other required forms, according to certain rules with full
The requirement such as transmission, processing, storage, display, record and control of sufficient information.The characteristics of sensor include: micromation, digitlization,
Intelligence, multifunction, systematization, networking.It is to realize the automatic primary link detected and automatically control.Sensor is already
Penetrate into such as industrial production, space development, hydrospace detection, environmental protection, resource investigation, medical diagnosis, bioengineering, even
The extremely general field such as historical relic's protection.
In recent years, with the development of the times, the proposition of scientific and technological progress, especially internet of things concept and smart home concept
And development, various household goods intelligences have become the key that each business unit seizes future market.And Intelligent microphone concept
It is proposed to make intelligent article in life that there are energy conservation, the functions such as environmental protection.When people need many using the public of microphone
When occasion, few people's habit turns off microphone when not using microphone, and therefore, technical problem urgently to be solved is to work as
When not using microphone, microphone can be perceived automatically and microphone is turned off people, and when using microphone, microphone is not
Meeting is out of power suddenly and the meeting held is caused to go wrong, it is intended that the function and letter of power aware are added in Intelligent microphone
The function of reminding is ceased, microphone is allowed to keep effectively state in specific occasion.When many important events, we are existing
Microphone is not able to detect that microphone there remains how many electricity, if can adhere to the end of meeting or party, even
Sometimes party or meeting when reaching half unexpected microphone can not send out sound, such that meeting or party hold it is not very successful
And people can be made not comfortable enough for the experience of microphone, if increasing the Intellisense of electricity on Intelligent microphone to make
The remaining electricity of microphone can be understood anywhere or anytime when using microphone by obtaining people, to avoid out of power and microphone is caused to use
When there is awkward scene and be even more important.With sensor technology, electronic circuit technology it is increasingly developed, be exploitation one intelligence words
Cylinder becomes possibility.And the present invention can well solve problem above.
Summary of the invention
The present invention proposes that purpose is that some bad habits for people when using microphone are not using microphone
When can forget actively to turn off microphone that the problem of button of the permanent switch that can be made microphone using microphone is damaged and failed proposes
A kind of Intelligent microphone system and its implementation based on wireless sense network, the Intelligent microphone can efficiently solve the above problem
Problem, and the Intelligent microphone can be realized more energy saving and environmentally friendly function.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of Intelligent microphone system based on wireless sense network
System, which includes intelligent perception module, micro-control module, ZigBee module.
The function of intelligent perception module is: the infrared inductor and temperature inductor of intelligent perception module perceive microphone quilt
People uses.The electricity inductor of intelligent perception module can sense the electricity of microphone.
The function of micro-control module is: sensing that the electricity of microphone is able to use to calculate microphone according to electricity inductor
Time, and the information for replacing battery in time is sent to monitor terminal when being lower than 5 minutes the time workable for microphone, if infrared
When line inductor and temperature inductor sense that microphone is used, the indicator light of microphone can be made to flash 10 seconds；To infrared ray sense
When device and temperature inductor being answered to sense someone using microphone, the Mike of microphone can be automatically opened；To infrared inductor and
Temperature inductor induction is in one's hands to open the function of timing when leaving microphone, when in 5 seconds microphone not by use, can close
The Mike of microphone.
The function of ZigBee module is: ZigBee module realizes to monitor terminal and sends data.
Barrel structure includes: infrared inductor, temperature inductor, electricity inductor, 8251 cores if system of the present invention
Piece, power supply line, LED light, microphone shell.
The connection of the microphone internal module of system of the present invention is: power supply is infrared inductor, temperature inductor, electricity
Inductor, LED light, 8251 chips, ZigBee module power supply；Infrared inductor, temperature inductor, electricity inductor,
ZigBee module, LED light are connected with 8251 chips.
The microphone network structure of system of the present invention takes self-organization network, and the information of microphone acquisition first passes to convergence section
Point, aggregation node are being transmitted to monitor terminal, and attendant monitors the state of microphone according to monitor terminal to handle.
The implementation method for the Intelligent microphone system based on wireless sense network that the present invention also provides a kind of, this method include such as
Lower step:
Step 1: all microphones being numbered, number is encoded with 2 digits, and the coding of microphone is unique；
Step 2: infrared inductor and temperature inductor being embedded in the middle section of microphone, ZigBee module is the same as microphone
Radio transmitter is put together, and a LED light is installed in the lower half portion on the outside of microphone；
Step 3: placing an aggregation node in the middle position in the hall that microphone uses, aggregation node passes through ZigBee mould
Block is connected with microphone；
Step 4: when microphone is opened, electricity inductor, infrared inductor and temperature inductor start simultaneously at work；
Step 5: the electricity monitoring of electricity inductor actual conversation cylinder, if microphone electricity can support the time used lower than 5
When minute, then the information of replacement battery is sent to monitor terminal；Infrared inductor and temperature inductor monitor microphone in real time
It uses, when the value that infrared inductor and temperature inductor sense is more than threshold value, if microphone electricity can support the time used
Lower than 5 minutes, then indicator light 10 seconds on microphone can be flashed, step 6 is gone to, if microphone electricity can support that the time used is more than
5 minutes, then the Mike of microphone is opened, step 7 is gone to；
Step 6: monitor terminal shows the use state of microphone, when microphone can support that the time used was lower than 5 minutes, prison
Control terminal shows that information reminding attendant replaces the battery of microphone in time, goes to step 5；
Step 7: when the value that infrared inductor and temperature inductor sense is lower than threshold value, then microphone opens timing function
Can, if microphone is not used in 5 seconds, the Mike of microphone is closed, if microphone is used in 5 seconds, keeps microphone wheat
Gram open state, go to step 7.
The utility model has the advantages that
1, the closing of conventional microphone is all to be controlled by people, and often most people is not all formed without using microphone
In the case where can active the habit for turning off microphone, so, Intelligent microphone of the invention can be effectively prevented from the bad of people
It is accustomed to and causes the waste of resource.
2, Intelligent microphone of the invention is to start and close microphone by infrared inductor, be can be avoided since people pass through
Normal opening and closing microphone and the failure for leading to switch, extend the service life of microphone.
3, common wireless microphone is that electricity required for microphone is provided by using dry cell, but often many microphones
Be not able to detect that the electricity of microphone number, and timely remind user to change battery before when soon out of power, so, lead to
The real time monitoring that Intelligent microphone of the present invention realizes microphone electricity is crossed, ensure that people use the comfort of microphone.
Detailed description of the invention
Fig. 1 ZigBee-network topology diagram.
Fig. 2 microphone entity structure diagram.
Fig. 3 is infrared and temperature sensor structure schematic diagram.
Intelligent microphone system architecture figure of the Fig. 4 based on wireless sense network.
The method flow diagram of Fig. 5 Intelligent microphone.
Fig. 6 electric quantity signal data packet content graph.
Fig. 7 power aware structural schematic diagram.
Fig. 8 microphone uses decision flow chart.
Specific embodiment
The invention is described in further detail with reference to the accompanying drawings of the specification.
The present invention is the Intelligent microphone whole network management topologies based on sensor network technology as shown in Figure 1:, words
Cylinder is connected by aggregation node with monitor terminal, and aggregation node is responsible for the message that microphone generates being transmitted to monitor terminal, is supervised
Control terminal is notifying attendant's replacement battery.
It is as shown in Figure 2: entity structure design of the invention, including the infrared inductor being embedded on the outside of microphone and temperature sense
Answer device, indicator light.
It is as shown in Figure 3: infrared inductor and temperature inductor perceptual structure, infrared inductor and temperature sense in the present invention
Device is connected with 8255 chips, and 8255 chips are connected with 8259 chips, and 8259 chips are connected with 8251 chips, and 8251 chips are with 8254
Chip is connected, and 8254 chips are connected with 8259 chips.Power supply gives infrared inductor simultaneously, temperature inductor, 8255 chips, and 8259
Chip, 8254 chips, 8251 chips provide electricity.
It is as shown in Figure 4: the system architecture diagram of the Intelligent microphone of wireless sense network of the invention, including infrared inductor, temperature
Spend inductor, electricity inductor, 8251 chips, ZigBee, LED light, aggregation node, monitor terminal.Infrared inductor, temperature
Degree inductor is connected with electricity inductor with 8251 chips, and 8251 chips are connected with indicator light with ZigBee, and ZigBee is the same as convergence
Node is connected, and aggregation node is connected with monitor terminal.
It is as shown in Figure 5: flow chart of the method for the present invention, the electricity of inductive microphone first when microphone is opened, if electricity is low
At be able to use in microphone 5 minutes, microphone can send out message and tell attendant in time with changing battery to monitor terminal, if words
Cylinder senses someone when using it, will open the indicator light of microphone to remind user to replace battery；It is red when electricity is enough
When outer inductor and temperature inductor sense people using microphone, microphone will open Mike；When infrared inductor and temperature sense
Answer device induction it is in one's hands microphone will open clocking capability when leaving microphone, when timing time be more than 5 seconds and microphone not again by
It uses, then closes the Mike of microphone.
It is as shown in Figure 6: electric quantity signal data packet content graph of the invention, including source ID, purpose ID, data packet sum, point
Group sequence, data length, proof mark, message data.Source ID is unique ID of each microphone, and purpose ID is the ground of aggregation node
Location, message data are that attendant is reminded to replace microphone battery information.
As shown in Figure 7: power aware structural schematic diagram of the invention, including electricity inductor, 8251 chips, ZigBee are logical
Believe module.Electricity inductor is connected with 8251 chips, and 8251 chips are connected with ZigBee communication module.
It is as shown in Figure 8: the judgement that microphone of the invention uses, when infrared inductor and temperature inductor sense value simultaneously
When more than threshold value, then determine that someone uses microphone.
Needed in the present invention using sensor and chip include: LDM301 type infrared inductor: in Intelligent microphone
LDM301 type infrared inductor forms the process of a reflection after being irradiated to object, is reflected into biography by projecting light beam
Sensor is followed by the collection of letters number, and the data of transmitting and received time difference are then received using ccd image processing.At signal processor
The distance that object is calculated after reason will generate signal when distance is lower than certain definite value to 8251 chips, for determining the microphone
It will be used.It is usually used in automatic illuminating in daily life, the infrared inductor of security system and automatically-controlled door has low-power consumption,
The features such as small size, high sensitivity, low cost and versatility.
ARCM-NTC type electricity inductor: a kind of detection device can experience the information of tested electricity, and can will test sense
The information being subject to is transformed to electric signal or the information output of other required forms, to meet the transmission of information, place according to certain rules
Reason stores, and display, record and control etc. require.It is to realize the automatic primary link detected and automatically control.It is also one kind
Tested electrical parameter (that is: electric current, voltage, power, frequency, the signals such as power factor) is converted into DC current, DC voltage
And the device of output analog signal or digital signal is isolated.
IP65 type temperature inductor: refer to the sensor that can be experienced temperature and be converted into usable output signal.When temperature sense
The temperature for answering device to sense be more than threshold value when, will by pin generate signal give 8251 chips, when 8251 chips sense it is red
It can judge that current microphone will be used when the signal that outside line inductor generates, therefore temperature inductor is used in Intelligent microphone
It is whether in use in the current microphone of determination.
8259 chips (that is: are applied to interrupt aspect): being the interrupt control units that can use process control.Work there are many 8259
Make mode, various systems can be used for.The setting of various working methods is to be carried out in initialization by software.In bus marco
Under the control of device, 8259 chips may be at programming state and mode of operation, and programming state is 8251 using IN or OUT instruction pair
8259 chips carry out the state of initial program, therefore, by programmable 8259 chip, can make Intelligent microphone both can be with
Complete the operation of the open and close to Intelligent microphone, moreover it is possible to complete the Interruption of Intelligent microphone.
8254 chips (that is: the counter of time): being a using very extensive programmable Timer, counting chip,
Major function is the function of timing and counting in Intelligent microphone.
8255A chip: there are 24 input/output pins, the parallel input/output interface circuit of programmable universal.It
It is a piece of 40 foot dual inline type large scale integrated circuits using single+5V power supply.It is to be used in the use of Intelligent microphone
Receiving infrared-ray inductor simultaneously, the signal of temperature inductor.
8251 chips (that is: for making corresponding processing after being interrupted)；
Wherein 8251 chip for belonging to control module, first judges collected data, to instruct Intelligent microphone
Carry out the operation of next step.
The network that the present invention is established by ZigBee is not only able to timely obtain institute's residual electricity of the microphone of each unlatching
Amount, and can be managed collectively and control the opening and closing of microphone.Because there is the battery that can estimate microphone in monitor terminal
It can probably support the time used, so when selecting microphone, it can be unique according to the time and each microphone that microphone uses
ID, accurately select microphone to be used.
The present invention is the Intelligent microphone based on wireless sensor, judgment module, microphone of the Intelligent microphone by multiple standards
Processing center module, processing scheme module.
Step 1: system deployment conceptual design.As shown in Figure 1, whole system includes 1) aggregation node, and 2) monitor terminal, 3)
Intelligent microphone.All Intelligent microphones are numbered the system, and number is encoded with four figures.Aggregation node is for receiving
The information that Intelligent microphone transmits, then the information of microphone is transmitted to monitor terminal, the number of microphone be it is unique, monitor terminal can be with
It is controlled by ZigBee wireless transmission protocol microphone；
Step 2: the Intelligent microphone design based on wireless sense network, as shown in fig. 2, comprising: electricity inductor, temperature sense
Device, infrared inductor, ZigBee module, 8251 chips, 8254 chips, 8259 chips, 8255 chips；As shown in Figures 2 and 3,
Infrared inductor and temperature inductor are embedded on the inner wall of microphone to be connected with chip 8255, and 8255 chips are connected with 8259,
8259 chips are connected with 8251 chips, and 8251 chips are connected with 8254 chips, as shown in Figure 4 below temperature inductor also
LED light, ZigBee module is mounted on the upper surface of 8251 chips, and is connected with 8251 chips；
Step 3: MPS microphone power supply is opened, temperature inductor is provided, infrared inductor, electricity inductor, 8254 chips, 8259
Chip, 8251 chips, 8255 chips, the energy of Zigbee communication module；
Step 4: electricity inductor as shown in Figure 5 is started to work, and electricity inductor can independently induce current microphone
Does remaining electricity judge that the time that electricity can also use is greater than 5 minutes? if so, going to step 7, otherwise pass through
ZigBee module sends " message of replacement battery ", message format such as Fig. 6 to monitor terminal；
Step 5: the infrared inductor and temperature inductor on microphone are opened, if infrared inductor and temperature inductor are simultaneously
When the value sensed is more than threshold value.The indicator light then opened on microphone flashes 10 seconds；
Step 6: monitor terminal receives " message of replacement battery " of Intelligent microphone sending, then notifies attendant according to receipts
The battery of replacement microphone after determining microphone is numbered to the ID of information.Go to step 4；
Step 7: the infrared inductor and temperature inductor on microphone are opened, if infrared inductor and temperature inductor are simultaneously
When the value sensed is more than threshold value.The Mike for then opening microphone goes to step 8, and otherwise, infrared inductor and temperature inductor are held
It is continuous to be incuded, step 8 is gone to when value that the two senses is more than threshold value；
Step 8: infrared inductor and temperature inductor are persistently incuded, if the value that the two senses is more than threshold value
When, then step 8 is gone to, step 9 is otherwise gone to；
Step 9: the clocking capability of 8254 chips is opened, if infrared inductor and temperature inductor sense in 5 seconds
Value when being more than threshold value, then illustrate that microphone someone goes to step 8 in use, otherwise go to step 10；
Step 10: Intelligent microphone closes the Mike on microphone.
The working principle of infrared inductor and temperature inductor in microphone of the invention, comprising:
(1) infrared intelligent is the automatic control product based on infrared technology.When certain of the hand of human body is a part of infrared
In line region, the infrared ray that infrared emission tube issues is reflected into infrared receiver tube since the hand or body of human body block, and leads to
The micro computer crossed in integrated circuit treated signal is sent to impulse electromagnetic valve, solenoid valve receive after signal by specified instruction
Spool is opened to control the unlatching of microphone；When hand leaves the range of infrared induction, solenoid valve is not received by signal, solenoid valve
Spool can then control the closing of microphone by the chip inside microphone.It is red in one LDM301 type LHLH of intermediate installation of microphone
Outside line inductor because 360 ° of infrared inductor induction be it is impossible, before infrared inductor installation one
A Fresnel Lenses increases the angle of the induction of infrared inductor.
It (2) is that the temperature inductor of IP65 type contact is also known as thermometer, the temperature of contact used in the Intelligent microphone
Spend inductor detection part and measurand have it is good contact, the temperature inductor of contact is by conducting or convection current reaches
Thermal balance, to enable the indicating value of the temperature inductor of contact directly to indicate the temperature of measurand and be converted into available output
Signal.Temperature inductor is mounted below infrared inductor, and the shell temperature of manpower is about at 35~37 degree, so IP65
The setting value of the temperature inductor of type contact is 35~37 degree, when the value that temperature inductor senses is between this two value
When, message can be sent out and give 8255A chip.
The parallel chip of 8255A be joined in Intelligent microphone to obtain the signal of temperature inductor and infrared inductor,
As shown in figure 8, can judge that microphone someone makes when the signal that 8255A chip obtains two inductors simultaneously is more than threshold value
With, at this moment will notify 8259 chips cause interrupt.
When infrared inductor and temperature inductor sense that someone touches microphone, use will be generated by 8255A
It interrupts at family.Interruption is controlled and is managed by 8259 interrupt control units.In the interrupt request register IRR of 8259 chips
IR1 pin be the pin for judging the user whether current microphone used and interrupting.When there is user to interrupt generation, first in
Disconnected request register deposits the interrupt requests being added on pin IR1.It is not shielded under the management of interrupt mask register
Interrupt requests are sent to priority circuit arbitration.By the differentiation of priority circuit, the highest interrupt source of current level is chosen, so
Interrupt request singal is issued from pin INT to 8251 afterwards.After 8251 meet certain condition, 8259 sending, 2 interrupt responses are thought
Signal (that is: negative pulse).After 8259 receive first interrupt response signal from pin INTA, make interrupt service register immediately
In that ISR1 corresponding with selected interrupt source set 1, while the IR1 in interrupt request register is reset.From pin
After INTA receives second interrupt response signal, 8259 interrupt source type codes 71H chosen are sent to 8251 by data line.
Under real address mode, 82514x71H~4x71H+3 unit takes out interrupt vector -> IP, CS of the interruption, thus guidance 8251
Execute the interrupt service routine of the interrupt source.
When infrared inductor and temperature inductor induction contact microphone less than people, Interruption will be generated, intelligence
Hardware used in microphone is 8254 chips.8254 have 3 independent counters, and the structure of each counter is entirely identical
's.Each counter externally has 3 pins: GATEiFor gate-control signal input terminal, CLKiTo count pulse input end, OUTiIt is defeated
Signal end out.Work as GATEiWhen=1, each CLKiThe failing edge of signal makes to subtract 1 that counter subtracts 1, when count value reduces to setting
When value, OUTiEnd generates output signal.In counting process, latch changes with the variation for the counter that subtracts 1.
The calculation formula for counting initial value N is as follows: N=fclki/fouti；
When the clock of Intelligent microphone is not interrupted i.e. during counting, in clock, nobody uses microphone in 5 seconds
When can generate user-level interrupt, 8251 chips can be by the Mike of corresponding stop microphone, but infrared inductor and temperature
The state that degree inductor is still opened is used at any time to prevent microphone, when sensing someone using microphone, the Mike of microphone
It will be again turned on.
Present system realize key step include:
1) when opening microphone master switch, the electricity inductor of Intelligent microphone will perceive the remaining electricity of current microphone
Amount, and judge whether current electric quantity met user using 5 minutes, step 2 is branched to if meeting, if being unsatisfactory for pass through
The ZigBee module hair message of battery " replacement " gives monitor terminal, if judge electricity be unsatisfactory for 5 minutes and infrared inductor with
When the value that temperature inductor senses is more than threshold value, the indicator light on microphone will flash 10 seconds.
2) by infrared inductor and temperature inductor induction it is in one's hands touch microphone when, obtained by the parallel chip of 8255A
The signal for taking infrared inductor and temperature inductor, when threshold value set by the signal of two inductors is above system to
8259 chips issue interrupt signal.
3) 8259 chips receive after signal by interrupt request register, are sent after priority circuit by INT pin
To 8251 chips.8251 chips receive after signal from 4x71H~4x71H+3 unit take out the interruption interrupt vector -> IP,
CS opens microphone Mike so that guidance 8251 executes the interrupt service routine of the interrupt source.Temperature inductor and infrared induction
Device period in such a way that 2s is inquired opens.
4) when hand leaves microphone, infrared inductor and temperature inductor will sense that value is lower than threshold value, and 8255 chips will
Signal is transmitted to the pin of 8259 chips.8259 chips receive and are transmitted to 8251 chips by INT pin after signal.
5) 8251 chips first pass through 8254 counters and are counted, and send signal to 8251 chips when the time is more than 5 seconds,
Time-of-day clock interruption is that 55ms is generated once, and interrupting 18 times is 990ms, and close to 1s, and the time that counter counts is 5s primary, institute
The count value N of 8254 chips can be set as 90.
6) 8251 chips close microphone, but temperature inductor and infrared inductor will continue to work with prevent microphone at any time by
It uses, when inductor senses someone, the Mike of microphone will be again turned on.
7) present invention is the intelligence that proposes on the basis of Principles of Microcomputers knowledge with sensor technology, electronic circuit knowledge
Microphone, what the acquisition of its information was realized by infrared sensor, data obtained give the microprocessor on backstage
To handle.
During Intelligent microphone is perceived, firstly, when we will use microphone, it is necessary to first open the total of microphone
Power switch, at this moment the electricity inductor of microphone can automatically detect the remaining electricity of microphone and will by Zigbee protocol
Information is dealt into monitor terminal there, when being lower than 5 minutes the time that electricity is supported and temperature inductor and infrared inductor
Sensing will remind user to replace the indicator light on battery and microphone in time when microphone is used in someone can flash 10s.
And when infrared inductor and temperature inductor incude contact microphone in one's hands, infrared sensor and temperature inductor will be to
8255 chips transmit message value, when 8255 chips in a manner of cyclic polling find value more than threshold value, can start microphone
Mike's switch, at this moment microphone Mike is just in the state of unlatching, when people do not use microphone, infrared sensor and temperature
Inductor just will not incude, at this moment will notifier processes chip microphone not in the state used, at this moment handle chip and judge 5
Whether someone will continue to using microphone in second, if it's not true will close microphone Mike.
Claims (1)
1. a kind of implementation method of the Intelligent microphone system based on wireless sense network, which is characterized in that the method includes as follows
Step:
Step 1: all microphones being numbered, number is encoded with 2 digits, and the coding of microphone is unique；
Step 2: infrared inductor and temperature inductor being embedded in the middle section of microphone, ZigBee module is the same as the wireless of microphone
Electrical transmission device is put together, and a LED light is installed in the lower half portion on the outside of microphone；
Step 3: placing an aggregation node in the middle position in the hall that microphone uses, aggregation node is same by ZigBee module
Microphone is connected；
Step 4: when microphone is opened, electricity inductor, infrared inductor and temperature inductor start simultaneously at work；
Step 5: the electricity monitoring of electricity inductor actual conversation cylinder, if microphone electricity can support the time used lower than 5 minutes
When, then the information of replacement battery is sent to monitor terminal；Infrared inductor and temperature inductor monitor the use of microphone in real time,
When the value that infrared inductor and temperature inductor sense is more than threshold value, if microphone electricity can support the time used lower than 5
Minute, then indicator light 10 seconds on microphone can be flashed, step 6 is gone to, if microphone electricity can support that the time used is more than 5 points
Clock then opens the Mike of microphone, goes to step 7；
Step 6: monitor terminal shows the use state of microphone, and when microphone can support that the time used was lower than 5 minutes, monitoring is eventually
End display information reminding attendant replaces the battery of microphone in time, goes to step 5；
Step 7: when the value that infrared inductor and temperature inductor sense is lower than threshold value, then microphone opens clocking capability, if
Microphone is not used in 5 seconds, then closes the Mike of microphone, if microphone is used in 5 seconds, microphone Mike is kept to open
State, go to step 7；
A kind of Intelligent microphone system based on wireless sense network includes intelligent perception module, micro-control module, ZigBee module；
The function of the intelligent perception module is: the infrared inductor and temperature inductor of intelligent perception module perceive microphone
It is used by a person；The electricity inductor of intelligent perception module can sense the electricity of microphone；
The function of the micro-control module is: sensing that the electricity of microphone is able to use to calculate microphone according to electricity inductor
Time, and the time workable for microphone be lower than 5 minutes when to monitor terminal send in time replacement battery information, such as arnotto
When outside line inductor and temperature inductor sense that microphone is used, the indicator light of microphone can be made to flash 10 seconds；To infrared ray
When inductor and temperature inductor sense someone using microphone, the Mike of microphone can be automatically opened；To infrared inductor
With temperature inductor induction it is in one's hands leave microphone when, the function of timing can be opened, when in 5 seconds microphone not by use, can close
Close the Mike of microphone；
The function of the ZigBee module is: ZigBee module sends data to monitor terminal；
The connection of the microphone internal module of the system is: power supply is infrared inductor, temperature inductor, electricity inductor, LED
Indicator light, 8251 chips, ZigBee module power supply；Infrared inductor, temperature inductor, electricity inductor, ZigBee module,
LED light is connected with 8251 chips；
Barrel structure includes: infrared inductor if the system, temperature inductor, electricity inductor, 8251 chips, power supply line,
LED light, microphone shell；
The microphone network structure of the system takes self-organization network, and the information of microphone acquisition first passes to aggregation node, aggregation node
It is being transmitted to monitor terminal, attendant monitors the state of microphone according to monitor terminal to handle；
The judgement that the microphone uses then determines when infrared inductor and temperature inductor sense value more than threshold value simultaneously
Someone uses microphone, and sensor and chip include: LDM301 type infrared inductor: the LDM301 type infrared ray in Intelligent microphone
Inductor forms the process of a reflection by projecting light beam after being irradiated to object, is reflected into sensor and is followed by the collection of letters number,
Then the data that transmitting with received time difference are received using ccd image processing, calculate object after signal processor processes
Distance, signal will be generated when distance is lower than certain definite value to 8251 chips, it is daily for determining that the microphone will be used
It is usually used in automatic illuminating in life；ARCM-NTC type electricity inductor: a kind of detection device can experience the letter of tested electricity
Breath, and the information experienced can be will test, it is transformed to electric signal or the information output of other required forms, according to certain rules with full
The transmission of sufficient information is handled, and is stored, and is shown, record and control require, it is to realize automatic detection and automatically control primary
Link and a kind of by tested electrical parameter, it may be assumed that electric current, voltage, power, frequency, power factor signal are converted into direct current
Stream, DC voltage and the device that output analog signal or digital signal are isolated；
IP65 type temperature inductor: refer to the sensor that can be experienced temperature and be converted into usable output signal, work as temperature inductor
When the temperature sensed is more than threshold value, signal will be generated by pin to 8251 chips, when 8251 chips sense infrared ray
It just can judge that current microphone will be used when the signal that inductor generates, therefore temperature inductor is used to determine in Intelligent microphone
Whether current microphone is in use；
8259 chips, it may be assumed that be applied to interrupt aspect: being that can use the interrupt control unit of process control, working method there are many 8259,
Various systems can be used for, the setting of various working methods to be to carry out in initialization by software, in the control of bus control unit
Under system, 8259 chips can be in programming state and mode of operation, and programming state be 8251 use IN or OUT instructions to 8259 chips
Therefore the state for carrying out initial program by programmable 8259 chip, can make Intelligent microphone that can complete to intelligent words
The operation of the open and close of cylinder, moreover it is possible to complete the Interruption of Intelligent microphone；
8254 chips, it may be assumed that the counter of time: being a using very extensive programmable Timer, counting chip, main function
The function that can be timing in Intelligent microphone and count；
8255A chip: there are 24 input/output pins, the parallel input/output interface circuit of programmable universal, it is one
Piece uses 40 foot dual inline type large scale integrated circuits of single+5V power supply, is for simultaneously in the use of Intelligent microphone
Receiving infrared-ray inductor, the signal of temperature inductor；
8251 chips, it may be assumed that for making corresponding processing after being interrupted, wherein 8251 belong to the chip of control module, to adopting
The data collected are first judged, to instruct the operation of Intelligent microphone progress next step.
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| CN105869450A (en) * | 2016-05-27 | 2016-08-17 | 中山智慧城电子科技有限公司 | Intelligent reading pen |
| CN106162395A (en) * | 2016-08-22 | 2016-11-23 | 深圳市九洲电器有限公司 | The microphone of a kind of Based Intelligent Control and control method thereof |
| CN107513972B (en) * | 2017-07-04 | 2020-07-31 | 长沙普罗科环境装备有限责任公司 | Cleaning vehicle waterway system control method, controller, system and cleaning vehicle |
| CN107765891B (en) * | 2017-10-19 | 2021-12-21 | 广东小天才科技有限公司 | Microphone control method and microphone |
| CN107864433A (en) * | 2017-12-20 | 2018-03-30 | 宁波升维信息技术有限公司 | A kind of device and management method of wireless microphone intelligent management |
| CN108491233B (en) * | 2018-03-16 | 2021-04-20 | 广东小天才科技有限公司 | Control method and device for external microphone of intelligent terminal |
| CN110610602A (en) * | 2019-10-17 | 2019-12-24 | 恩平市力卡电子有限公司 | Wireless conference system capable of automatically starting and stopping conference microphone unit and control method thereof |
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| CN202143204U (en) * | 2011-07-22 | 2012-02-08 | 孟圣达 | Microphone with infrared reflection switch |
| CN103176140A (en) * | 2013-03-15 | 2013-06-26 | 深圳市力同亚太科技有限公司 | Microphone and method, device and system for monitoring microphone power |
| CN203289603U (en) * | 2013-06-04 | 2013-11-13 | 天津宽明科技有限公司 | Wireless microphone |
| CN104469646A (en) * | 2014-11-08 | 2015-03-25 | 周震海 | Status monitoring method and system for wireless microphone |
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