CN203982509U - Intelligent sound acoustic-optic alarm - Google Patents
Intelligent sound acoustic-optic alarm Download PDFInfo
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- CN203982509U CN203982509U CN201420405781.8U CN201420405781U CN203982509U CN 203982509 U CN203982509 U CN 203982509U CN 201420405781 U CN201420405781 U CN 201420405781U CN 203982509 U CN203982509 U CN 203982509U
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Abstract
The utility model provides a kind of intelligent sound acoustic-optic alarm, comprising: Switching Power Supply loop, signal input circuit, CPU (central processing unit), voice driven loop, light drive loop and accumulator; CPU (central processing unit) drives loop to be electrically connected with signal input circuit, voice driven loop, light respectively; Switching Power Supply loop drives loop to be electrically connected with CPU (central processing unit), signal input circuit, voice driven loop, light respectively; Accumulator drives loop to be electrically connected with CPU (central processing unit), signal input circuit, voice driven loop and light respectively; CPU (central processing unit) is sent corresponding voice according to voice driven loop described in external signal control, and controls light driving loop and light corresponding pilot lamp; Accumulator is whole device power supply in the time of outside power interruption.This device has improved the reliability of panalarm work, can make again operations staff can judge rapidly abnormal and fault type, also greatly reduces the investment of equipment simultaneously.
Description
Technical field
The utility model relates to panalarm field, specifically a kind of intelligent sound acoustic-optic alarm.
Background technology
Equipment in power supply-distribution system and circuit because ageing equipment, operation maintenance are not in place, often can there are various abnormal and accidents in the reason such as outside destroy and equipment or construction quality.After these are abnormal and accident occurs, need to send corresponding light and acoustic signal, remind the rapid failure judgement type of operation maintenance personnel and process in time.Above-mentioned signal is divided into again anticipating signal and trouble-signal, distinguishes by different light and sound.Existingly send above-mentioned sound and light signal and all adopt the mode of signal box or central signal screen to realize, in signal box or central signal screen, air switch, various relay, signal lamp, alarm window, electric bell, electric whistle are installed and are linked together by secondary cable.
But there is following shortcoming in above-mentioned prior art:
One,, because discrete component is more, unreliable when long-time running, particularly electric bell damages more serious.Because can ring when electric bell when abnormal occurs equipment, and now user does not have a power failure, if extremely occur in evening or location of the machine to be installed far from residential block away from time be not easy to be found by people, now electric bell will be switched on for a long time, causes damage.
Two, because only having the sound of electric bell and electric whistle, can not judge rapidly concrete abnormal and fault type after causing operations staff to reach the spot, incur loss through delay defect and accident treatment time.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, proposes a kind of intelligent sound acoustic-optic alarm, improves the reliability of panalarm work, and reduces the cost of investment.
In order to achieve the above object, the utility model by the following technical solutions: a kind of intelligent sound acoustic-optic alarm, comprising: Switching Power Supply loop, signal input circuit, CPU (central processing unit), voice driven loop, light drive loop and accumulator;
Described CPU (central processing unit) drives loop to be electrically connected with described signal input circuit, described voice driven loop, described light respectively;
Described Switching Power Supply loop drives loop to be electrically connected with described CPU (central processing unit), described signal input circuit, described voice driven loop, described light respectively;
Described accumulator drives loop to be electrically connected with described CPU (central processing unit), described signal input circuit, described voice driven loop and described light respectively;
Described voice driven loop comprises speech chip, operational amplifier, the first capacitor C 31, the second electric capacity E19, the first resistance R 36, the second resistance R 37, the 3rd resistance R 40, the 4th resistance R 38, the 5th resistance R 39, the 6th resistance R 41, the 7th resistance R 43, the 8th resistance R 42, the first diode D13, the second diode D14 and loudspeaker;
Described speech chip comprises signal input part DATA and signal output part DAC;
Described signal input part DATA is electrically connected with described CPU (central processing unit); Described signal output part DAC is connected to the normal phase input end of described operational amplifier by the first capacitor C 31, the first resistance R 36; Described second first end of resistance R 37 and the normal phase input end of described operational amplifier are connected, the second end ground connection of described the second resistance R 37; Described the 3rd first end of resistance R 40 and the normal phase input end of described operational amplifier are connected, and the second end of described the 3rd resistance R 40 is connected with the first end of described the 4th resistance R 38; The second end ground connection of described the 4th resistance R 38; The first end of described the 5th resistance R 39 is connected with the negative pole of described the first diode D13, and the second end of described the 5th resistance R 39 is connected with the first end of described the 4th resistance R 38; Described the 6th first end of resistance R 41 and the negative-phase input of described operational amplifier are connected, the second end ground connection of described the 6th resistance R 41; Described the 7th first end of resistance R 43 and the output terminal of described operational amplifier are connected, the second end ground connection of described the 7th resistance R 43; Described the 8th first end of resistance R 42 and the negative-phase input of described operational amplifier are connected, and the second end of described the 8th resistance R 42 is connected with the output terminal of described operational amplifier; The output terminal of described operational amplifier is connected with the negative pole of described the first diode D13; The output terminal of described operational amplifier is connected with the negative pole of described the second diode D14; The plus earth of described the second diode D14; Described the second first end of electric capacity E19 and the output terminal of described operational amplifier are connected, and the second end of described the second electric capacity E19 is connected with loudspeaker.
Preferably, described speech chip is that model is the chip of PM550.
Preferably, described speech chip loop also comprises the 3rd electric capacity E16, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6 and the 7th capacitor C 7; The first end of described the 3rd electric capacity E16 is connected with the first end of described the second resistance R 37, and the second end of described the 3rd electric capacity E16 is connected with the normal phase input end of described operational amplifier; Described the 4th capacitor C 32 is in parallel with described the second resistance R 37; Described the 5th electric capacity E17 is in parallel with described the 4th resistance R 38; The first end of described the 6th electric capacity E18 is connected with the second end of described the 6th resistance R 41, the second end ground connection of described the 6th electric capacity E18; The first end of described the 7th capacitor C 33 is connected with the second end of described the 7th resistance R 43, the second end ground connection of described the 7th capacitor C 33.
Preferably, this device also comprises an intelligent accummulator charge circuit.The input end of this intelligent accummulator charge circuit is electrically connected with Switching Power Supply loop, and output terminal is connected with storage battery; This intelligent accummulator charge circuit comprises a charging management chip.
Preferably, described charging management chip is syllogic charging management chip.In the time that battery discharging is lower compared with multivoltage, for preventing that large electric current from shortening the life of storage battery, first carry out trickle charge, battery tension rises to a certain degree, automatically go to large electric current constant-current charge, in the time that battery tension rises to float charge voltage, automatically go to constant-voltage charge.
Preferably, this device also comprises an accumulator protecting loop.When battery discharging is to it during by voltage, it is interrupted for device power supply in accumulator protecting loop, and device is automatic shutdown, prevents that accumulator from causing damage because of overdischarge.
Preferably, this device also comprises that a relay drives loop; This relay drives the input end in loop to be electrically connected with CPU (central processing unit), and output terminal is electrically connected with outside switchgear.This device can drive tripping relay outlet, for switchgear corresponding to tripping, and the further expansion of Accident prevention
Preferably, this device also comprises a personal-machine interface loop.This man-machine interface loop is electrically connected with CPU (central processing unit), for correlation parameter and the voice of artificial setting device.
For the shortcoming of signal box and central signal screen; the utility model is abandoned original mentality of designing and implementation method; adopt up-to-date single-chip microcomputer, Switching Power Supply, intelligent accummulator charging and protection, phonetic synthesis, power amplifier and sound technique; develop a kind of reliable, powerful, cheap a kind of intelligent sound acoustic-optic alarm, be directly installed on various high and low voltage switches and cashier's office in a shop use.Charge Management and the discharge prevention of the content by the various alarm voices of Single Chip Microcomputer (SCM) program Based Intelligent Control and interval time, various alarm lamp light signal, accumulator; thereby both improved the reliability of panalarm work; can make again operations staff can judge rapidly abnormal and fault type, also greatly reduce the investment of equipment simultaneously.
Brief description of the drawings
Fig. 1 is the functional block diagram of a kind of intelligent sound acoustic-optic alarm of the utility model
Fig. 2 is the circuit diagram of CPU (central processing unit)
Fig. 3 a, Fig. 3 b and Fig. 3 c are the circuit diagram in Switching Power Supply loop
Fig. 4 is the circuit diagram that light drives loop
Fig. 5 is the circuit diagram in voice driven loop
Fig. 6 is the circuit diagram of man-machine interface loop
Fig. 7 is the circuit diagram of signal input circuit
Fig. 8 is the circuit diagram in intelligent accummulator charge circuit and accumulator protecting loop
Fig. 9 is the circuit diagram that relay drives loop
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Refer to Fig. 1, it is the functional block diagram of a kind of intelligent sound acoustic-optic alarm of the utility model.
A kind of intelligent sound acoustic-optic alarm, comprising: Switching Power Supply loop 1, signal input circuit 2, CPU (central processing unit) 3, voice driven loop 4, light drive loop 5 and accumulator 6;
The input end of described signal input circuit 2 is electrically connected with external unit, and external signal is inputed to CPU (central processing unit) 3.External signal can be anticipating signal or trouble-signal.
Described CPU (central processing unit) 3 drives loop 5 to be electrically connected with described signal input circuit 2, described voice driven loop 4, described light respectively; Described CPU (central processing unit) 3 is sent corresponding voice according to voice driven loop 4 described in external signal control, and controls described light driving loop 5 and light corresponding pilot lamp.According to concrete abnormal and failure mode, play alarm sound according to the order setting, voice and volume, make operation failure judgement situation rapidly.
Described Switching Power Supply loop 1 drives loop 5 to be electrically connected with described CPU (central processing unit) 3, described signal input circuit 2, described voice driven loop 4, described light respectively; It is CPU (central processing unit) 3 and the power supply of other peripheral circuits that the alternating current of input is transformed to direct current by described Switching Power Supply loop 1, charges for described accumulator 6 simultaneously.
Described accumulator 6 drives loop 5 to be electrically connected with described CPU (central processing unit) 3, described signal input circuit 2, described voice driven loop 4 and described light respectively; This device is with backup power system, and after external power source disappears, device can automatically switch to back-up source power supply, can not interrupt the warning of acoustic and light information.
Preferably, described speech chip is that model is the chip of PM550.
Preferably, described speech chip loop also comprises the 3rd electric capacity E16, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6 and the 7th capacitor C 7; The first end of described the 3rd electric capacity E16 is connected with the first end of described the second resistance R 37, and the second end of described the 3rd electric capacity E16 is connected with the normal phase input end of described operational amplifier; Described the 4th capacitor C 32 is in parallel with described the second resistance R 37; Described the 5th electric capacity E17 is in parallel with described the 4th resistance R 38; The first end of described the 6th electric capacity E18 is connected with the second end of described the 6th resistance R 41, the second end ground connection of described the 6th electric capacity E18; The first end of described the 7th capacitor C 33 is connected with the second end of described the 7th resistance R 43, the second end ground connection of described the 7th capacitor C 33.
Preferably, this device also comprises an intelligent accummulator charge circuit 7.The input end of this intelligent accummulator charge circuit 7 is electrically connected with Switching Power Supply loop 1, and output terminal is electrically connected with accumulator 6; This intelligent accummulator charge circuit 7 comprises a charging management chip.
Preferably, described charging management chip is syllogic charging management chip.When accumulator 6 discharges when lower compared with multivoltage, for preventing that large electric current from shortening 6 life-spans of accumulator, first carries out trickle charge, accumulator 6 voltages rise to a certain degree, automatically go to large electric current constant-current charge, in the time that accumulator 6 voltages rise to float charge voltage, automatically go to constant-voltage charge.
Preferably, this device also comprises an accumulator protecting loop 8.In the time that accumulator 6 is discharged to it by voltage, it is interrupted for device power supply in accumulator protecting loop 8, installs automatic shutdown, prevents that accumulator 6 from causing damage because of overdischarge.
Preferably, this device also comprises that a relay drives loop 9; This relay drives the input end in loop 9 to be electrically connected with CPU (central processing unit) 3, and output terminal is electrically connected with outside switchgear.This device can drive tripping relay outlet, for switchgear corresponding to tripping, and the further expansion of Accident prevention
Preferably, this device also comprises a personal-machine interface loop 10.This man-machine interface loop 10 is electrically connected with CPU (central processing unit) 3, for correlation parameter and the voice of artificial setting device.
The course of work of this device is as follows: when the normal work of device, external communication 220V power supply is given CPU (central processing unit) 3 and peripheral circuit power supply thereof after 1 conversion of Switching Power Supply loop, accumulators 6 carries out constant-current constant-voltage charging simultaneously, now can the parameter such as the content of alarm voice and the size of warning volume be set by man-machine interface loop 10.If external communication 220V power supply disappears, automatically switch to accumulator 6 without time delay and power to device.If accumulator 6 is full of after electricity, can power more than 10 hours to device.In the time that accumulator 6 is discharged to its cut-off voltage, by accumulator protecting loop 8, this device can auto-breaking, thereby protection accumulator 6 is unlikely because overdischarge damages, and extends 6 serviceable lifes of accumulator.
In the time having extremely outside or fault-signal input, device will send corresponding alarm sound and wigwag according to the voice content of setting.If outside is input as anticipating signal, device will send the alarm voice of electric bell sound, correspondence, the anticipating signal pilot lamp on lamp device panel simultaneously.If outside is input as trouble-signal, device will send the accident voice of electric whistle sound, correspondence, the trouble-signal pilot lamp on lamp device panel simultaneously, and this timer also can drive tripping relay outlet, for switchgear corresponding to tripping, the further expansion of Accident prevention.
Below in conjunction with Fig. 2-Fig. 9, the structure of a kind of intelligent sound acoustic-optic alarm that the utility model is provided is described in detail.
The first, CPU (central processing unit) 3
As shown in Figure 2, it is the circuit diagram of CPU (central processing unit).It is the single-chip microcomputer of ATMEGA8535 that CPU (central processing unit) 3 in the utility model adopts model.CPU (central processing unit) 3 adopts high-performance, high density, high reliability technical grade single-chip microcomputer, includes all resources of the warning device needs such as Flash ROM, RAM, EEPROM, AD converter, timer, serial port.Package unit bus does not go out chip, realizes by the very strong IO mouth of driving force with being connected all of external unit, makes device components and parts few, stable and reliable operation, and antijamming capability is strong.
The second, Switching Power Supply loop 1
As shown in Fig. 3 a-Fig. 3 c, the circuit diagram in Switching Power Supply loop in fact.External communication 220V power supply is given rectifier bridge BG rectification after the interference protection measures such as fuse FU1, fast transient diode TV1, filter capacitor C1 and filter inductance L1, is then converted to 32V DC voltage through Switching Power Supply control chip U1 and high-frequency transformer TR.D2, as secondary rectifier cell, is flip-flop the alternation energy conversion of transformer output.E2 carries out smothing filtering, and forms simple pi type filter with L2, E3, reduces high-frequency switching noise.It is upper that output voltage signal feeds back to U1 by optocoupler U2, and by this signal, the duty that U1 changes oneself at any time maintains output voltage constant (CV pattern).
The 32V of output, again through a mu balanced circuit being made up of voltage stabilizing chip and peripheral cell thereof, is depressurized to the voltage of 12V; The voltage of 12V is further depressurized to 5V again.Wherein, the output voltage of 32V is powered to intelligent accummulator charge circuit 7; The book output voltage of 12V is to voice and drive circuitry thereof; The voltage of 5V drives loop 9, man-machine interface loop 10 and signal input circuit 2 to power to CPU (central processing unit) 3, light and driving circuit, relay.
In the present embodiment, Switching Power Supply control chip U1 adopts TNY276P.TNY276P adopts the control method of ON/OFF, adjusts the magnitude of voltage of output by the method for hop cycle, and feedback signal finally feeds back on the EN/UV pin of TNY276P.In the beginning in each cycle, the control loop of TNY276P inside is monitored the current value that flows on EN/UV pin at any time, determines whether open built-in MOSFET in the next cycle.Be less than 115uA if flow to the electric current of EN/UV pin, the next cycle is opened MOSFET, starts to secondary transferring energy.
In the present embodiment, voltage stabilizing chip U4 adopts LM2576 step-down switching type voltage stabilizing chip.The VIN input end of LM2576 is connected with+32V and accumulator 6BAT by diode respectively, and on-off end is by the control of Electric potentials of the ON BAT of accumulator 6, output terminal Out external output 12V after peripheral BUCK reduction voltage circuit and filtering; Meanwhile, also have a feedback to detect the ADJ voltage-regulation end of Voltage Feedback to U4.In the time that external power source is normally exported ,+32V is because the rated voltage than BAT is high, thereby not supplying power for outside of accumulator 6, and+32V is depressurized to 12V through the linear voltage stabilization of U4.When external power source power-off, BAT starts working, now the external rated voltage of directly provide+12V.When BAT be discharged to it by voltage, ON BAT is in electronegative potential, U4 forbids BAT output, thereby prevents accumulator 6 over-discharge can.
Three, light drives loop 5
As shown in Figure 4, light drives the circuit diagram in loop in fact.Light drives loop 5 to be made up of pull-up resistor and the light emitting diode of 6 groups, wherein, has the negative pole of the light emitting diode of 5 groups to connect respectively 5 I/O mouths of single-chip microcomputer, controls the luminous of light emitting diode by single-chip microcomputer.
Four, voice driven loop 4
As shown in Figure 5, it is the circuit diagram in voice driven loop.Voice and driving circuit comprise speech chip, power amplifier and powerful loudspeaker composition.Speech chip adopts PM550, and the input end DATA of PM550 is electrically connected with an I/O mouth of single-chip microcomputer, and output terminal DAC is electrically connected with the normal phase input end of amplifier, and the output terminal of amplifier is electrically connected with loudspeaker.
Particularly, described voice driven loop 4 comprises speech chip, operational amplifier, the first capacitor C 31, the second electric capacity E19, the first resistance R 36, the second resistance R 37, the 3rd resistance R 40, the 4th resistance R 38, the 5th resistance R 39, the 6th resistance R 41, the 7th resistance R 43, the 8th resistance R 42, the first diode D13, the second diode D14 and loudspeaker;
Described speech chip comprises signal input part DATA and signal output part DAC;
Described signal input part DATA is electrically connected with described CPU (central processing unit); Described signal output part DAC is connected to the normal phase input end of described operational amplifier by the first capacitor C 31, the first resistance R 36; Described second first end of resistance R 37 and the normal phase input end of described operational amplifier are connected, the second end ground connection of described the second resistance R 37; Described the 3rd first end of resistance R 40 and the normal phase input end of described operational amplifier are connected, and the second end of described the 3rd resistance R 40 is connected with the first end of described the 4th resistance R 38; The second end ground connection of described the 4th resistance R 38; The first end of described the 5th resistance R 39 is connected with the negative pole of described the first diode D13, and the second end of described the 5th resistance R 39 is connected with the first end of described the 4th resistance R 38; Described the 6th first end of resistance R 41 and the negative-phase input of described operational amplifier are connected, the second end ground connection of described the 6th resistance R 41; Described the 7th first end of resistance R 43 and the output terminal of described operational amplifier are connected, the second end ground connection of described the 7th resistance R 43; Described the 8th first end of resistance R 42 and the negative-phase input of described operational amplifier are connected, and the second end of described the 8th resistance R 42 is connected with the output terminal of described operational amplifier; The output terminal of described operational amplifier is connected with the negative pole of described the first diode D13; The output terminal of described operational amplifier is connected with the negative pole of described the second diode D14; The plus earth of described the second diode D14; Described the second first end of electric capacity E19 and the output terminal of described operational amplifier are connected, and the second end of described the second electric capacity E19 is connected with loudspeaker.
In speech chip, preserve a large amount of high-quality speech files, all voice documents all adopt MP3 format, coordinate high power acoustics power amplifier and high-power loudspeaker, make that alarm sound is clear, sound is large, penetration power is strong.Single-chip microcomputer, according to concrete abnormal and failure mode, is play alarm sound according to the order setting, voice and volume, makes operation failure judgement situation rapidly.
Five, man-machine interface loop 10
As shown in Figure 6, it is the circuit diagram in man-machine interface loop.Man-machine interface loop is made up of pull-up resistor and the double-pole single throw of 3 groups, each road connects respectively again an I/O mouth of single-chip microcomputer, thereby control the state of I/O mouth by controlling double-pole single throw, by incompatible volume and the content that voice are set of different switches set.
Six, signal input circuit 2
As shown in Figure 7, it is the circuit diagram of signal input circuit.Signal input circuit 2 is made up of the input circuit on 4 tunnels.The input circuit on every road adopts optocoupler to carry out photoelectricity isolation, and capacitor filtering and diode protection.The collector of photodiode and the I/O of single-chip microcomputer that optocoupler is built-in are electrically connected, thereby the voltage signal that single-chip microcomputer can read input by this I/O, optocoupler is external signal.
Seven, intelligent accummulator charge circuit 7 and accumulator protecting loop 8
As shown in Figure 8, it is the circuit diagram in intelligent accummulator charge circuit 7 and accumulator protecting loop 8.Intelligent accummulator charge circuit 7 comprises accumulator 6 charging management chips and peripheral element thereof.In the present embodiment, accumulator 6 charging management chips adopt UC3906.
An extremely important characteristic of UC3906 has accurate reference voltage exactly, and its reference voltage becomes with environment temperature, and the temperature characterisitic of Changing Pattern and lead-acid battery voltage is in full accord.Meanwhile, chip only needs the input current of 1.7mA just can work, and can reduce like this power consumption of chip as far as possible, realizes accurate detection to operating ambient temperature, ensures not only full charge but also can seriously not overcharge of battery.In addition, chip internal also comprises that an input undervoltage testing circuit is to carry out initialization to charge cycle.This circuit also drives a logic output, and when adding after input power, pin 7 can be indicated power supply status.
After+32V input voltage adds, Q3 conducting, starts constant-current charge, and cell voltage raises gradually.When cell voltage reach overcharged voltage VOC 95% time, battery proceeds to overcharge condition, charging voltage maintains overcharge voltage, charging current start decline.Stop when electric current when charging current drops to overcharge, the pin 10 of UC3906 is exported high level, comparer LM358 output low level, and accumulator 6 proceeds to floating charge state automatically.Full charge indication light pipe is luminous simultaneously, instruction accumulator 6 full charge.
Accumulator 6 holding circuits form feedback circuit by comparer LM358 and triode etc., and inverting input is electrically connected with the dividing potential drop of the BAT of accumulator 6, and output terminal is ON BAT.By the divider resistance that sets BAT, the voltage of BAT is compared with cut-off voltage; output ON BAT, and then the Enable Pin of control voltage stabilizing chip U4, in the time that accumulator 6 is discharged to its cut-off voltage; the Enable Pin of U4 is forbidden its output, thereby protection accumulator 6 is in order to avoid over-discharge can.
Nine, relay drives loop 9
As shown in Figure 9, it is the circuit diagram that relay drives loop.Relay drives loop 9 to comprise optocoupler and a relay for photoelectricity isolation.The control end of optocoupler is electrically connected with the I/O mouth of single-chip microcomputer, and output terminal is connected with relay one end, and the other end of relay can be electrically connected with outside switchgear.Thereby single-chip microcomputer can directly drive relay to control outside switch.Relay adopts high-power magnetic relay, and contact rating reaches 12A, and the withstand voltage 5000V that reaches between contact and coil, can directly drive various switch trips.
Compare and prior art, this a kind of intelligent sound acoustic-optic alarm volume is little, function strong, give great volume, cost is low, stable and reliable operation, directly broadcast abnormal and accident pattern with voice, and can be directly installed on high and low voltage switch and cashier's office in a shop use, facilitate user that various abnormal and accidents are judged rapidly and processed.Adopt single-chip microcomputer and voice, power amplifier, sound technique scheme to realize the voice sound and light alarm of electric system, make operations staff can judge rapidly abnormal and fault type; Adopt at high and low voltage switch local mounted acoustic-optic alarm cashier's office in a shop, thereby save a large amount of secondary cables, reduce customer investment.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. an intelligent sound acoustic-optic alarm, is characterized in that, comprising: Switching Power Supply loop, signal input circuit, CPU (central processing unit), voice driven loop, light drive loop and accumulator;
Described CPU (central processing unit) drives loop to be electrically connected with described signal input circuit, described voice driven loop, described light respectively;
Described Switching Power Supply loop drives loop to be electrically connected with described CPU (central processing unit), described signal input circuit, described voice driven loop, described light respectively;
Described accumulator drives loop to be electrically connected with described CPU (central processing unit), described signal input circuit, described voice driven loop and described light respectively;
Described voice driven loop comprises speech chip, operational amplifier, the first capacitor C 31, the second electric capacity E19, the first resistance R 36, the second resistance R 37, the 3rd resistance R 40, the 4th resistance R 38, the 5th resistance R 39, the 6th resistance R 41, the 7th resistance R 43, the 8th resistance R 42, the first diode D13, the second diode D14 and loudspeaker;
Described speech chip comprises signal input part DATA and signal output part DAC;
Described signal input part DATA is electrically connected with described CPU (central processing unit); Described signal output part DAC is connected to the normal phase input end of described operational amplifier by the first capacitor C 31, the first resistance R 36; Described second first end of resistance R 37 and the normal phase input end of described operational amplifier are connected, the second end ground connection of described the second resistance R 37; Described the 3rd first end of resistance R 40 and the normal phase input end of described operational amplifier are connected, and the second end of described the 3rd resistance R 40 is connected with the first end of described the 4th resistance R 38; The second end ground connection of described the 4th resistance R 38; The first end of described the 5th resistance R 39 is connected with the negative pole of described the first diode D13, and the second end of described the 5th resistance R 39 is connected with the first end of described the 4th resistance R 38; Described the 6th first end of resistance R 41 and the negative-phase input of described operational amplifier are connected, the second end ground connection of described the 6th resistance R 41; Described the 7th first end of resistance R 43 and the output terminal of described operational amplifier are connected, the second end ground connection of described the 7th resistance R 43; Described the 8th first end of resistance R 42 and the negative-phase input of described operational amplifier are connected, and the second end of described the 8th resistance R 42 is connected with the output terminal of described operational amplifier; The output terminal of described operational amplifier is connected with the negative pole of described the first diode D13; The output terminal of described operational amplifier is connected with the negative pole of described the second diode D14; The plus earth of described the second diode D14; Described the second first end of electric capacity E19 and the output terminal of described operational amplifier are connected, and the second end of described the second electric capacity E19 is connected with loudspeaker.
2. a kind of intelligent sound acoustic-optic alarm according to claim 1, is characterized in that: described speech chip is that model is the chip of PM550.
3. a kind of intelligent sound acoustic-optic alarm according to claim 2, is characterized in that: described speech chip loop also comprises the 3rd electric capacity E16, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6 and the 7th capacitor C 7; The first end of described the 3rd electric capacity E16 is connected with the first end of described the second resistance R 37, and the second end of described the 3rd electric capacity E16 is connected with the normal phase input end of described operational amplifier; Described the 4th capacitor C 32 is in parallel with described the second resistance R 37; Described the 5th electric capacity E17 is in parallel with described the 4th resistance R 38; The first end of described the 6th electric capacity E18 is connected with the second end of described the 6th resistance R 41, the second end ground connection of described the 6th electric capacity E18; The first end of described the 7th capacitor C 33 is connected with the second end of described the 7th resistance R 43, the second end ground connection of described the 7th capacitor C 33.
4. a kind of intelligent sound acoustic-optic alarm according to claim 1, is characterized in that: described intelligent sound acoustic-optic alarm also comprises an intelligent accummulator charge circuit; The input end of described intelligent accummulator charge circuit is electrically connected with described Switching Power Supply loop, and the output terminal of described intelligent accummulator charge circuit is connected with described storage battery; Described intelligent accummulator charge circuit comprises a charging management chip.
5. a kind of intelligent sound acoustic-optic alarm according to claim 4, is characterized in that: described charging management chip is syllogic charging management chip.
6. a kind of intelligent sound acoustic-optic alarm according to claim 5, is characterized in that: described intelligent sound acoustic-optic alarm also comprises an accumulator protecting loop being connected with described storage battery.
7. a kind of intelligent sound acoustic-optic alarm according to claim 6, is characterized in that: described intelligent sound acoustic-optic alarm also comprises that a relay drives loop; This relay drives the input end in loop to be electrically connected with CPU (central processing unit), and output terminal is electrically connected with outside switchgear.
8. a kind of intelligent sound acoustic-optic alarm according to claim 7, is characterized in that: described intelligent sound acoustic-optic alarm also comprises a personal-machine interface loop; Described man-machine interface loop is electrically connected with described CPU (central processing unit).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464230A (en) * | 2014-12-04 | 2015-03-25 | 重庆厚齐科技有限公司 | Inspection shaft cover monitoring system |
| CN104966377A (en) * | 2015-06-12 | 2015-10-07 | 国家电网公司 | Live-line region LED alarm device |
-
2014
- 2014-07-22 CN CN201420405781.8U patent/CN203982509U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464230A (en) * | 2014-12-04 | 2015-03-25 | 重庆厚齐科技有限公司 | Inspection shaft cover monitoring system |
| CN104966377A (en) * | 2015-06-12 | 2015-10-07 | 国家电网公司 | Live-line region LED alarm device |
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