CN110288788A - A kind of portable mobile wireless acoustooptic alarm system - Google Patents
A kind of portable mobile wireless acoustooptic alarm system Download PDFInfo
- Publication number
- CN110288788A CN110288788A CN201910536198.8A CN201910536198A CN110288788A CN 110288788 A CN110288788 A CN 110288788A CN 201910536198 A CN201910536198 A CN 201910536198A CN 110288788 A CN110288788 A CN 110288788A
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- Prior art keywords
- alarm
- module
- buzzer
- mcu
- uc888st
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
Abstract
The invention discloses a kind of portable mobile wireless acoustooptic alarm systems, including portable money alarm, mobile base station, early warning platform；The portable money alarm includes UC888ST module, MCU, alarm lamp and buzzer, the UC888ST module is communicated by 2G network with mobile base station, the information that the mobile base station and UC888ST module interact is by wire transmission into early warning platform, the early warning platform returns to alarm signal into UC888ST module and executes alarm by MCU and operates by mobile base station, and alarm level defines light and acoustic alarm that protocol integrated test system alarm lamp makes corresponding alarm level with buzzer to MCU based on the received.Present invention charging is finished and can arbitrarily be moved.The present invention provides 4 kinds of alarm instruction states: 4 kinds of alarm levels can be arranged by server, alarm receives warning message by GSM/GPRS, and alarm can show 4 grades of alarm conditions.Indicate that the light color of alarm level has feux rouges, orange light, yellow light, blue light.Buzzer also issues the sound of different frequency accordingly.
Description
Technical field
The present invention relates to safety of coal mines warning device more particularly to a kind of portable mobile wireless acoustooptic alarm systems.
Background technique
For combined aural and visual alarm as mining common product, alarm condition is single, is unfavorable for a variety of alarm conditions and shows.Separately
Outside, existing combined aural and visual alarm need to connect always server, started by controlling the power input status of alarm and closed
Alarm provides power alarm equipments work to alarm device when there is alert, and breaking alarm power alarm equipments stop when all clear
Only work.It can be seen that the type of alarm of the prior art compares limitation, it is functional not strong, and need to continue to be attached with service
Operation, staff can not also carry.
Based on this, now it is badly in need of a kind of portable mobile wireless sound-light alarm system convenient for freely carrying, with a variety of warning functions
System.
Summary of the invention
Technical problem to be solved by the present invention lies in provide it is a kind of convenient for freely carrying, with a variety of warning functions just
Take the wireless acoustooptic alarm system of formula.
The present invention solves above-mentioned technical problem using following technical scheme:
A kind of portable mobile wireless acoustooptic alarm system, including portable money alarm, mobile base station, early warning platform；It is described just
Taking money alarm includes UC888ST module, MCU, alarm lamp and buzzer, and the UC888ST module is by 2G network and moves
Dynamic base station is communicated, and the information that the mobile base station is interacted with UC888ST module passes through wire transmission to early warning platform
In, the early warning platform returns to alarm signal into UC888ST module and executes alarm by MCU and operates by mobile base station,
Alarm level defines the light harmony report that protocol integrated test system alarm lamp makes corresponding alarm level with buzzer to MCU based on the received
It is alert.
It further include wireless power source module as one of preferred embodiment of the invention, the wireless power source module is UC888ST
Module, MCU, alarm lamp and buzzer provide power supply, specifically include Wireless charging coil, power source charges module, boosting mould
Block.
It further include USB wireless charging interface as one of preferred embodiment of the invention, the USB wireless charging interface
End connect with wireless power source module and is installed on portable money alarm.
It further include Android interface as one of preferred embodiment of the invention, the end of the Android interface and wireless power source
Module is connected and is installed on portable money alarm.
It further include soft-touch control as one of preferred embodiment of the invention, the soft-touch control is connected with MCU for controlling
The closing of warning light and buzzer.
As one of preferred embodiment of the invention, the soft-touch control is equipped with alarm lamp, when all clear, report
Alert indicator light extinguishes.
As one of preferred embodiment of the invention, the specific type of alarm of the portable money alarm are as follows:
S1, UC888ST module are by input " AT+CEAT=0,0 r n " connection early warning platform, before connecting early warning platform
User name password need to be inputted, by " AT+CEAT=4, XXX | XXX r n " set username and password, username and password is defeated
Early warning platform can correctly be connected by entering；
S2, after the completion of connection, input " AT+CEAT=1, XXX r n " order, UC888ST module will start to query
Server alarm message, if success, then return " alarm code | alarm sequence number r n "；If it fails, being unsuccessfully divided into two kinds of feelings
Condition, hardware error return to " ERROR r n ", and network error returns to " ERRORNT r n "；
If S3, alarm, then by position and in the way of inform alert levels:
0: normal；
1:1 grades of alarms；Superlative degree alarm；
2:2 grades of alarms；
3:3 grades of alarms；
4:4 grades of alarms；Lowermost level alarm；S4, when returning to 0, resume module simultaneously parses, and MCU is given to send customized no report
Alert protocol information, single-chip microcontroller receive this agreement, are in close state sound and light；1 is returned to, resume module simultaneously parses, and gives MCU
Send customized 1 grade of alarm protocol information；Single-chip microcontroller receives this agreement, and sound and light is made to be in 1 grade of alarm condition, i.e. feux rouges
Flash the regular sound of buzzer；2 are returned to, resume module simultaneously parses, and sends customized 2 grades of alarms protocol information to MCU；Monolithic
Machine receives this agreement, and sound and light is made to be in 2 grades of alarm conditions, i.e. orange light flashes the regular sound of buzzer；Return to 3, at module
It manages and parses, send customized 3 grades of alarms protocol information to MCU；Single-chip microcontroller receives this agreement, and sound and light is made to be in 3 grades
Alarm condition, i.e. yellow light flash the regular sound of buzzer；4 are returned to, resume module simultaneously parses, and sends customized 4 grades of reports to MCU
Alert protocol information；Single-chip microcontroller receives this agreement, and sound and light is made to be in 4 grades of alarm conditions, i.e. blue light flashing buzzer is regular
It rings.
As one of preferred embodiment of the invention, the RGB color lamp that the alarm lamp is model WS2812S, SW_LED
For RGB feeder ear, LED_Date is single-chip data input terminal；When WS2812S termination receives the data that single-chip microcontroller transmits,
After the 24bit data brought first are extracted by first pixel, the data latches being sent to inside pixel, remaining number
Forwarding output is started to next cascade pixel, often by the port DO according to after internal Shape correction circuit shaping amplification
By the transmission of a pixel, signal reduces 24bit；Data protocol uses the communication modes of single-point zero code, and pixel is adopted
With automatic shaping retransmission technique, limited so that the cascade number of the pixel is not transmitted by signal.
As one of preferred embodiment of the invention, the input voltage range of the VBAT of the UC888ST module is that 3.4V is arrived
4.4V, recommendation voltage be 4.0V, when module is with maximum power transmission, current peak moment can reach 2A, so as to cause
There is biggish Voltage Drop on VBAT；So using a bulky capacitor pressure stabilizing close to VBAT, 100 μ F tantalum capacitors (C5) and one are used
The ceramic condenser (C7) of a 1 μ F is in parallel；It is dry that the 33Pf (C10) and 10Pf (C11) capacitor for increasing parallel connection can effectively remove high frequency
It disturbs, while to prevent damage of the surge to chip, the Zener diode of a 5.1V/500mW is used on module VBAT pin,
That is MMSZ5231BT1G；40 feet connect RF1, i.e. antenna；31 feet and 32 feet are connected to the interface of burning program and debugging；PCB
When layout, capacitor and Zener diode should be had to as close to the VBAT pin of module, the cabling of VBAT anode it is short and thick,
Cabling has to first pass through the power pins that Zener diode, bulky capacitor arrive module again, antenna output pin and antenna connector
Cabling it is more shorter better, radiofrequency signal should not run through entire mainboard, 12 GND pins of module, it should punching as much as possible
To mainly, to guarantee the integrality on entire plank ground.
As one of preferred embodiment of the invention, the model ZL-DCY09605-2705P-5 of the buzzer, at it
In operating circuit: when Buzzer is low level, since the base stage of Q3 does not have an electric current, collector also no current causes to connect
The load of collector terminal is connected to also without electric current, and is equivalent to the off-state of switch, triode is working in cut-off region at this time,
Buzzer does not work；When Buzzer is high level, since Q3 has base current flowing, collector is made to flow through bigger put
High current, therefore load circuit is just switched on, and it is equivalent to the closure of switch, triode is working in saturation region at this time, buzzing
Device work.
The present invention compared with prior art the advantages of be: the present invention charging finish and can arbitrarily move.The present invention provides 4 kinds of polices
It reports instruction state: 4 kinds of alarm levels can be set by server, alarm receives warning message, alarm by GSM/GPRS
It can show 4 grades of alarm conditions.Indicate that the light color of alarm level has feux rouges, orange light, yellow light, blue light.Buzzer is also corresponding
Issue the sound of different frequency.The present invention provides the function of touch key-press open and close alarm, and can pass through the finger of touch key-press
Showing lamp can distinguish that whether there is or not alarms.The present invention is provided wirelessly with wired two kinds of charge modes, and user can unrestricted choice.
Detailed description of the invention
Fig. 1 is the overall structure diagram of one of embodiment portable mobile wireless acoustooptic alarm system；
Fig. 2 is one of embodiment portable mobile wireless sound-light alarm flow diagram；
Fig. 3 is the circuit diagram of the battery interface of the portable mobile wireless acoustooptic alarm system in embodiment；
Fig. 4 is the circuit diagram of the toggle switch of the portable mobile wireless acoustooptic alarm system in embodiment；
Fig. 5 is the power circuit 5V booster circuit figure of the portable mobile wireless acoustooptic alarm system in embodiment；
Fig. 6 is the power circuit 4V booster circuit figure of the portable mobile wireless acoustooptic alarm system in embodiment；
Fig. 7 is MUC power supply and the filter circuit figure of the portable mobile wireless acoustooptic alarm system in embodiment；
Fig. 8 is the circuit diagram of the MCU of the portable mobile wireless acoustooptic alarm system in embodiment；
Fig. 9 is the touch key-press interface circuit figure of the portable mobile wireless acoustooptic alarm system in embodiment；
Figure 10 is the buzzer circuit figure of the portable mobile wireless acoustooptic alarm system in embodiment；
Figure 11 is the RGB color lamp cascade circuit figure of the portable mobile wireless acoustooptic alarm system in embodiment；
Figure 12 is the battery charger figure of the portable mobile wireless acoustooptic alarm system in embodiment；
Figure 13 is the Android interface charging circuit diagram of the battery of the portable mobile wireless acoustooptic alarm system in embodiment；
Figure 14 is the UC888ST module circuit diagram of the portable mobile wireless acoustooptic alarm system in embodiment；
Figure 15 is the burning program of the portable mobile wireless acoustooptic alarm system in embodiment and the interface circuit figure of debugging.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
Such as Fig. 1: a kind of shown, portable mobile wireless acoustooptic alarm system of the present embodiment, including portable money alarm, movement
Base station, early warning platform；The portable money alarm includes UC888ST module, MCU, alarm lamp and buzzer, described
UC888ST module is communicated by 2G network with mobile base station, the letter that the mobile base station is interacted with UC888ST module
For breath through wire transmission into early warning platform, the early warning platform returns to alarm signal to UC888ST module by mobile base station
In and alarm operation executed by MCU, alarm level defines protocol integrated test system alarm lamp and makes phase with buzzer MCU based on the received
The portable money alarm of the light for the alarm level answered and acoustic alarm, the portable mobile wireless acoustooptic alarm system of the present embodiment does not need
Server (early warning platform) is connected always, alarm only can be just activated when receiving the warning information of early warning platform, in addition originally
The alarm system of embodiment is capable of providing Multi-stage alarming mode, can be corresponded to according to alarm level and corresponding protection and processing is taken to arrange
It applies, prevents excessive operation.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference essentially consists in, and further includes wireless power source module, described
Wireless power source module provides power supply for UC888ST module, MCU, alarm lamp and buzzer, specifically includes wireless charging electric wire
Circle, power source charges module, boost module, further include USB wireless charging interface, the end of the USB wireless charging interface and nothing
Line power module is connected and is installed on portable money alarm, further includes Android interface, the end of the Android interface and wireless
Power module is connected and is installed on portable money alarm, and the present embodiment provides wireless and wired two kinds of charge modes, Yong Huke
Unrestricted choice simultaneously can be carried around.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, and difference essentially consists in, and further includes soft-touch control, the touch
The closing being connected with MCU for controlling warning light and buzzer is switched, the soft-touch control is equipped with alarm lamp, works as alarm
When releasing, alarm lamp extinguishes；The present embodiment when early warning situation occurs, alarm not only can normally issue alarm sound and
Alarm light, mini alarm lamp color can also change correspondingly, mini after turning off sound and light warning by soft-touch control
Alarm lamp does not turn off, and whether can still show has alert appearance at present.
Referring to fig. 2: the specific type of alarm of the portable money alarm are as follows:
S1, UC888ST module are by input " AT+CEAT=0,0 r n " connection early warning platform, before connecting early warning platform
User name password need to be inputted, by " AT+CEAT=4, XXX | XXX r n " set username and password, username and password is defeated
Early warning platform can correctly be connected by entering；
S2, after the completion of connection, input " AT+CEAT=1, XXX r n " order, UC888ST module will start to query
Server alarm message, if success, then return " alarm code | alarm sequence number r n "；If it fails, being unsuccessfully divided into two kinds of feelings
Condition, hardware error return to " ERROR r n ", and network error returns to " ERRORNT r n "；
If S3, alarm, then by position and in the way of inform alert levels:
0: normal；
1:1 grades of alarms；Superlative degree alarm；
2:2 grades of alarms；
3:3 grades of alarms；
4:4 grades of alarms；Lowermost level alarm；S4, when returning to 0, resume module simultaneously parses, and MCU is given to send customized no report
Alert protocol information, single-chip microcontroller receive this agreement, are in close state sound and light；1 is returned to, resume module simultaneously parses, and gives MCU
Send customized 1 grade of alarm protocol information；Single-chip microcontroller receives this agreement, and sound and light is made to be in 1 grade of alarm condition, i.e. feux rouges
Flash the regular sound of buzzer；2 are returned to, resume module simultaneously parses, and sends customized 2 grades of alarms protocol information to MCU；Monolithic
Machine receives this agreement, and sound and light is made to be in 2 grades of alarm conditions, i.e. orange light flashes the regular sound of buzzer；Return to 3, at module
It manages and parses, send customized 3 grades of alarms protocol information to MCU；Single-chip microcontroller receives this agreement, and sound and light is made to be in 3 grades
Alarm condition, i.e. yellow light flash the regular sound of buzzer；4 are returned to, resume module simultaneously parses, and sends customized 4 grades of reports to MCU
Alert protocol information；Single-chip microcontroller receives this agreement, and sound and light is made to be in 4 grades of alarm conditions, i.e. blue light flashing buzzer is regular
It rings.
The present embodiment provides 4 kinds of alarm instruction states: 4 kinds of alarm levels can be arranged by server, alarm passes through
GSM/GPRS receives warning message, and alarm can show 4 grades of alarm conditions.Indicate that the light color of alarm level has feux rouges, orange
Light, yellow light, blue light, buzzer also issue the sound of different frequency accordingly.
Referring to Figure 11, specifically, the RGB color lamp that the alarm lamp is model WS2812S, SW_LED is RGB power supply
End, LED_Date are single-chip data input terminal；When WS2812S termination receives the data that single-chip microcontroller transmits, pass through first
After the 24bit data come are extracted by first pixel, the data latches being sent to inside pixel, in remaining data are passed through
Start forwarding by the port DO after portion's Shape correction circuit shaping amplification to export to next cascade pixel, it is every to pass through one
The transmission of pixel, signal reduce 24bit；Data protocol uses the communication modes of single-point zero code, and pixel is using automatic whole
Shape retransmission technique, so that the cascade number of the pixel is not limited by signal transmission.
Referring to Figure 14, specifically, the input voltage range of the VBAT of the UC888ST module is 3.4V to 4.4V, recommend
Voltage is 4.0V, and when module is with maximum power transmission, current peak moment can reach 2A, so as to cause have on VBAT compared with
Big Voltage Drop；So using a bulky capacitor pressure stabilizing close to VBAT, the pottery of 100 μ F tantalum capacitors (C5) and a 1 μ F is used
Porcelain capacitor (C7) is in parallel；High-frequency Interference can be effectively removed by increasing 33Pf (C10) and 10Pf (C11) capacitor in parallel, be simultaneously
Damage of the surge to chip is prevented, the Zener diode of a 5.1V/500mW is used on module VBAT pin, i.e.,
MMSZ5231BT1G；40 feet connect RF1, i.e. antenna；31 feet and 32 feet are connected to burning program shown in figure 15 and debugging
Interface；When PCB is laid out, capacitor and Zener diode should be as close to the VBAT pins of module, and the cabling of VBAT anode is certain
Want short and thick, cabling has to first pass through the power pins that Zener diode, bulky capacitor arrive module again, antenna output pin and day
The shorter the cabling of wiring connector the better, and radiofrequency signal not run through entire mainboard, 12 GND pins of module, it should as far as possible
More punchings is to mainly, to guarantee the integrality on entire plank ground.
Referring to Figure 10, specifically, the model ZL-DCY09605-2705P-5 of the buzzer, in its operating circuit
In: when Buzzer is low level, since the base stage of Q3 does not have an electric current, collector also no current causes to be connected to current collection
Extreme load is equivalent to the off-state of switch also without electric current, and triode is working in cut-off region at this time, and buzzer is not
Work；When Buzzer is high level, since Q3 has base current flowing, collector is made to flow through bigger amplification electric current,
Therefore load circuit is just switched on, and is equivalent to the closure of switch, and triode is working in saturation region at this time, buzzer work.
It is battery interface referring to Fig. 3, VCC_BAT connects the anode of battery, and GND connects battery cathode.
Referring to fig. 4 it is 4 toggle switch circuits, shares 4 and switch one of them and do not have to, in addition 3 total electricity of control respectively
Source switch, RGB color lamp power switch, buzzing appliance mains switch.
It is 5V booster circuit figure referring to Fig. 5, as seen from the figure, boost chip PS3120A, input voltage is provided by battery.Outside
It encloses and only needs the i.e. exportable 5V voltage of 3 10uf capacitors, EN foot connects single-chip microcontroller, by the enabled of single-chip microcontroller control PS3120A and loses
Energy.
It is 4V booster circuit figure referring to Fig. 6, as seen from the figure, boost chip PL2628, input voltage is provided by battery.Output
Voltage is determined by resistance R1, R4.Voltage output formula: Vout=VREFX (1+R1/R4)；VREF representative value 0.6V；Booster circuit
Layout refers to PL2628 databook, is laid out in strict accordance with handbook, and the load capacity that otherwise boosts reduces.
It is that MUC powers and filter circuit figure, diode 1N4007 pressure drop are 0.7V referring to Fig. 7,4V passes through after 1N4007
Voltage is reduced to 3.3V, and capacitor C40, C38, C39, C41 are played a filtering role.
It is the circuit diagram of single-chip microcontroller (microprocessor) and part peripheral circuit referring to Fig. 8, single-chip microcontroller uses
STM32F030F4P6 microprocessing unit.4 foot capacitor C37 are reset circuit of SCM；8 foot resistance R21 and LED light H1 composition is single
Piece machine running LED circuit；10 foot circuits are that single-chip microcontroller controls touch key-press pin；11 feet are that single-chip microcontroller controls 5V liter
Press the enabled disability pin of chip PS3120A；12 feet are that RGB color lamp data transmit pin；12 feet are that single-chip microcontroller control buzzer is opened
Close pin；17,18 feet are that single-chip microcontroller and UC888ST data transmit pin；19,20 feet are SCM program burning pin.
It is touch key-press interface circuit figure referring to Fig. 9.By touch key-press is connected shown in figure, can be controlled by single-chip microcontroller
Touch key-press unlatches and closes, and the working method of touch key-press is self-locking mode.
It is battery charger figure referring to Figure 12.When alarm is placed on charging panel, receiving coil PCB Coil with fill
The magnetic flux coupling that battery plate coil generates, to generate voltage in receiving coil, internal synchronous rectification device is by this voltage
It is input to the RECT pin with filter capacitor.As VBAT≤VLOWV, BQ5105 enters priming mode, into priming mode
Afterwards, IPRECHG is set by battery charge limitation.Under precharge mode, charging current is adjusted to quick charge electricity
Flow the KPRECHG percentage of (IBULK) setting.If deep battery discharge or short circuit (VBAT < VBAT (SC)), BQ5150 application
Cell voltage is increased to acceptable charge level by IBAT (SC) electric current, once battery rises to VBAT (SC) or more, charging
Electric current is adjusted to IPRECHG.Work as VBAT > VLOWV, BQ5105 enters fast charge mode, and charging current passes through RECT and BAT
Between inside metal-oxide half field effect transistor be adjusted, once battery reaches VBAT-REG, BQ5105 enters constant-voltage phase, will
Cell voltage is adjusted to VOREG, charging current reduction.Capacitor C27 in Figure 12, C28, C29, C30, C31 and receiving coil PCB
Coil constitutes double-resonant circuit.By R17 and R19, charging current is set.AD pin will be connected to external USB power supply, to permit
Perhaps external power supply is system power supply.Ad_en ties up on the door of Q1 (CSD75205W1015).This allows BQ51050B in AD
Pin is incuded when being powered.CSD75205W1015 is double P-channel MOSFET pipes, enables Q1 by AD eun pin and selects USB
Charging or wireless charging.CHG foot is open-drain.It selects D12 and R5 as 2.1-V forward bias, is able to bear 2mA and 100 Ω limit
Leakage resistance.RECT is for internal AC DC conversion.PCB layout can refer to technical manual.Chip HX4054A is special in Figure 12
Men Weiyi section lithium ion battery or lithium polymer battery and the linear charger that designs.R8 resistance constitutes RC filtering with C17 and prevents
Overcharged voltage.When charger charges to battery, CHRG pin is drawn by internal switch to low level, indicates that charging is carrying out；
At the end of charging, CHRG pull-down current becomes 20uA；When VCC input voltage is lower than under-voltage locking threshold value or VCC and BAT pin
Voltage difference be less than 30mV when, CHRG pin is in high-impedance state.BAT pin connect anode, chip be prohibited work or
Person's sleep pattern, the leakage current of BAT pin are less than 3uA, and BAT pin provides the limitation voltage of charging current and 4.2V to battery.
VCC pin is the anode of input voltage, and VCC input voltage has to be larger than under-voltage locking threshold value and simultaneously greater than BAT voltage 100mV
When, charging can just start.When VCC input voltage is less than 30mV lower than under-voltage locking threshold value or the voltage difference of VCC and BAT pin
When, HX4054A will enter the shutdown mode of low-power consumption, and the consumption electric current of BAT pin is less than 2uA at this time.PROG pin is constant current
End is arranged in charging current.Charging current can be set to GND by connecting a resistance from PROG pin.Set resistor and
Charging current is calculated using following equation: RPROG=1000V/IBAT.Charging current IBAT as needed determines resistance
The resistance value of device RPROG.The charging current that this design needs is 500mA, so the resistance value of RPROG, that is, R11 is 2000 ohm.
It is the Android interface charging circuit diagram of battery referring to Figure 13.This Android interface is mainly used to charge the battery, exploitation
Person can also be used to burning SCM program.
The working principle of the invention: portable money alarm of the invention utilizes UC888ST module, the data traffic of data 2G
Function will inquire the signals such as alarm level by antenna and be sent to a nearest mobile base station, and base station is by being wiredly connected to
Server (early warning platform), server pass through line again and are connected to base station, and the signal that server returns is sent, passed through by base station
2G is received by alarm again, sends corresponding alarm level custom protocol, single-chip microcontroller to single-chip microcontroller after alarm demodulation decryption
Receive the sound and light that corresponding alarm level is made after protocol analysis.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of portable mobile wireless acoustooptic alarm system, which is characterized in that flat including portable money alarm, mobile base station, early warning
Platform；The portable money alarm includes UC888ST module, MCU, alarm lamp and buzzer, and the UC888ST module passes through 2G
Network is communicated with mobile base station, and the information that the mobile base station is interacted with UC888ST module is arrived by wire transmission
In early warning platform, the early warning platform executes report through mobile base station return alarm signal into UC888ST module and through MCU
Alert operation, alarm level defines the light that protocol integrated test system alarm lamp makes corresponding alarm level with buzzer to MCU based on the received
And acoustic alarm.
2. portable mobile wireless acoustooptic alarm system according to claim 1, which is characterized in that further include wireless power source mould
Block, the wireless power source module provide power supply for UC888ST module, MCU, alarm lamp and buzzer, specifically include wireless
Charge coil, power source charges module, boost module.
3. portable mobile wireless acoustooptic alarm system according to claim 2, which is characterized in that further include USB wireless charging
The end of interface, the USB wireless charging interface connect with wireless power source module and is installed on portable money alarm.
4. portable mobile wireless acoustooptic alarm system according to claim 2, which is characterized in that further include Android interface, institute
It states the end of Android interface and wireless power source module connect and is installed on portable money alarm.
5. portable mobile wireless acoustooptic alarm system according to claim 1, which is characterized in that it further include soft-touch control, institute
State the closing that soft-touch control is connected for controlling warning light and buzzer with MCU.
6. portable mobile wireless acoustooptic alarm system according to claim 5, which is characterized in that the soft-touch control is equipped with
Alarm lamp, when all clear, alarm lamp extinguishes.
7. portable mobile wireless acoustooptic alarm system according to claim 1, which is characterized in that the portable money alarm
Specific type of alarm are as follows:
S1, UC888ST module are needed defeated before connection early warning platform by input " AT+CEAT=0,0 r n " connection early warning platform
Access customer name password, by " AT+CEAT=4, XXX | XXX r n " set username and password, username and password input just
Early warning platform can really be connected；
S2, after the completion of connection, input " AT+CEAT=1, XXX r n " order, UC888ST module will start to query service
Device warning message, if success, then return " alarm code | alarm sequence number r n "；If it fails, unsuccessfully it is divided into two kinds of situations,
Hardware error returns to " ERROR r n ", and network error returns to " ERRORNT r n "；
If S3, alarm, then by position and in the way of inform alert levels:
0: normal；
1:1 grades of alarms；Superlative degree alarm；
2:2 grades of alarms；
3:3 grades of alarms；
4:4 grades of alarms；Lowermost level alarm；S4, when returning to 0, resume module simultaneously parses, and MCU is given to send customized alarm free association
Information is discussed, single-chip microcontroller receives this agreement, is in close state sound and light；1 is returned to, resume module simultaneously parses, and sends to MCU
Customized 1 grade of alarm protocol information；Single-chip microcontroller receives this agreement, and sound and light is made to be in 1 grade of alarm condition, i.e. red flare
The regular sound of buzzer；2 are returned to, resume module simultaneously parses, and sends customized 2 grades of alarms protocol information to MCU；Single-chip microcontroller connects
This agreement is received, sound and light is made to be in 2 grades of alarm conditions, is i.e. orange light flashes the regular sound of buzzer；3 are returned to, resume module is simultaneously
Parsing sends customized 3 grades of alarms protocol information to MCU；Single-chip microcontroller receives this agreement, and sound and light is made to be in 3 grades of alarms
State, i.e. yellow light flash the regular sound of buzzer；4 are returned to, resume module simultaneously parses, and sends customized 4 grades of alarms to MCU and assists
Discuss information；Single-chip microcontroller receives this agreement, and sound and light is made to be in 4 grades of alarm conditions, i.e. blue light flashes the regular sound of buzzer.
8. portable mobile wireless acoustooptic alarm system according to claim 2, which is characterized in that the alarm lamp is model
The RGB color lamp of WS2812S, SW_LED are RGB feeder ear, and LED_Date is single-chip data input terminal；When WS2812S is terminated
The data that single-chip microcontroller transmits are received, after the 24bit data brought first are extracted by first pixel, are sent to pixel
Internal data latches, remaining data start to forward defeated after internal Shape correction circuit shaping amplification by the port DO
Out to next cascade pixel, every transmission by a pixel, signal reduction 24bit；Data protocol uses single-point
The communication modes of zero code, pixel uses automatic shaping retransmission technique, so that the cascade number of the pixel is not passed by signal
Defeated limitation.
9. portable mobile wireless acoustooptic alarm system according to claim 1, which is characterized in that the UC888ST module
The input voltage range of VBAT is 3.4V to 4.4V, and recommendation voltage is 4.0V, when module is with maximum power transmission, current peak wink
Between can reach 2A, so as to cause there is biggish Voltage Drop on VBAT；So steady using a bulky capacitor close to VBAT
Pressure, it is in parallel using the ceramic condenser (C7) of 100 μ F tantalum capacitors (C5) and a 1 μ F；Increase 33Pf (C10) and 10Pf in parallel
(C11) capacitor can effectively remove High-frequency Interference, while to prevent damage of the surge to chip, use on module VBAT pin
The Zener diode of one 5.1V/500mW, i.e. MMSZ5231BT1G；40 feet connect RF1, i.e. antenna；31 feet and 32 feet are connected to
Burning program and the interface of debugging；When PCB is laid out, capacitor and Zener diode should as close to the VBAT pin of module,
The cabling of VBAT anode is had to short and thick, and cabling, which has to first pass through Zener diode, bulky capacitor and arrives the power supply of module again, to be drawn
The shorter the cabling of foot, antenna output pin and antenna connector the better, radiofrequency signal should not run through entire mainboard, 12 of module
GND pin, it should which punching as much as possible is arrived mainly, to guarantee the integrality on entire plank ground.
10. portable mobile wireless acoustooptic alarm system according to claim 1, which is characterized in that the type of the buzzer
Number be ZL-DCY09605-2705P-5, in its operating circuit: when Buzzer be low level when, due to Q3 base stage without electricity
Stream, therefore collector also no current, cause the load for being connected to collector terminal also without electric current, and are equivalent to the disconnection shape of switch
State, triode is working in cut-off region at this time, and buzzer does not work；When Buzzer is high level, since Q3 has base current
Flowing, therefore so that collector is flowed through bigger amplification electric current, therefore load circuit is just switched on, and it is equivalent to the closure of switch,
Triode is working in saturation region at this time, buzzer work.
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| CN113256921A (en) * | 2021-05-12 | 2021-08-13 | 大连英仕博科技有限公司 | Equipment with function of analyzing data and realizing acousto-optic alarm |
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Application publication date: 20190927 |