CN107144750A - A kind of low-voltage platform area down Monitor Unit device and alarm method - Google Patents
A kind of low-voltage platform area down Monitor Unit device and alarm method Download PDFInfo
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- CN107144750A CN107144750A CN201710460850.3A CN201710460850A CN107144750A CN 107144750 A CN107144750 A CN 107144750A CN 201710460850 A CN201710460850 A CN 201710460850A CN 107144750 A CN107144750 A CN 107144750A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 24
- 229910052744 lithium Inorganic materials 0.000 claims description 24
- 238000007600 charging Methods 0.000 claims description 16
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- 230000003287 optical effect Effects 0.000 claims description 8
- 101100233223 Arabidopsis thaliana IOS1 gene Proteins 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 4
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- 238000005259 measurement Methods 0.000 claims description 3
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- 239000003990 capacitor Substances 0.000 claims description 2
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- 238000012806 monitoring device Methods 0.000 claims description 2
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- 238000004519 manufacturing process Methods 0.000 abstract description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention belongs to electric power and monitoring control technology field, more particularly, to a kind of low-voltage platform area down Monitor Unit device；With power module, indicating module, MCU module, radio-frequency module, sensor assembly, it is characterised in that：Power module is used to supply indicating module, MCU module, radio-frequency module and sensor assembly electric power；Electrically connected between the sensor assembly and MCU module, by electrically connecting between MCU module and indicating module, by electrically connecting between MCU module and radio-frequency module, by electrically connecting between radio-frequency module and indicating module.Present invention further teaches alarm method.The present invention has following main beneficial effect：Realize to low-voltage platform area power down complete monitoring, can effectively reduce the generation of complaint, product that production class has a power failure be easily installed, small volume, save space, alarm promptly and accurately, type of alarm it is various, applied widely.
Description
Technical field
The invention belongs to electric power and monitoring control technology field, more particularly, to a kind of low-voltage platform area down Monitor Unit device and
Alarm method.
Background technology
Electric power trips power down in addition to scheduled outage, repairing have a power failure, and has by prior art analysis without obvious fault, equipment
Failure, screen of trees, external force destroy four major classes, by Utilities Electric Co. of Zhongxiang City of the subordinate unit statistics of 2016 of the first applicant, without bright
Aobvious failure, equipment fault, screen of trees, four kinds of electric power tripping operations of external force destruction have respectively：462nd, 205,188,56 times, above-mentioned electric power tripping operation
Cause the loss and inconvenience of user, the complained of applicant, the reduction of applicant's income etc..Due at present in low-pressure line-outgoing
After tripping operation, it is impossible to monitoring in real time, only wait until that user calls and just know that low tension loop has a power failure, operation maintenance personnel could be first
Time rushes towards scene, carries out repairing and pacifies work；Therefore, maintenance and repairing can not be realized in the very first time, therefore, in industry
Wish more satisfactory solution occur.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of low-voltage platform area down Monitor Unit device and alarm side
Method, they are realized using following technical scheme.
A kind of low-voltage platform area down Monitor Unit device, with power module YL1, indicating module YL2, MCU module YL3, radio frequency
Module YL4, sensor assembly YL5, it is characterised in that：
The power module is used to supply indicating module, MCU module, radio-frequency module and sensor assembly electric power；
The indicating module is used to show that the reset of the state, the state of power module, MCU module of radio-frequency module to indicate, alarmed
Indicate and audible alarm；
The MCU module, which is used to analyze, to be calculated with sending control instruction；
The radio-frequency module, which is used to send to user, stops power transmission notice；
The sensor assembly is used for power-off or the incoming information for detecting circuit；
Electrically connected between the sensor assembly and MCU module, by electrically connecting between MCU module and indicating module, MCU module
By electrically connecting between radio-frequency module, by electrically connecting between radio-frequency module and indicating module.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the power module is by circuit input unit
Point, VBUS turns 5 V parts, inside and outside power supply switch circuit, VBUS and turns VDD circuits, lithium battery charging circuit, lithium battery output electricity
Road, VDD turn VGG circuits composition；Magnitude of voltage relation is：VBUS> VCC_5V > VCC_BAT > VDD >VGG, VCC_BAT's
The magnitude of voltage of magnitude of voltage and VBUS.
Power-off alarm alarm method, it uses a kind of low-voltage platform area down Monitor Unit device described above, it is also wrapped
Include the webserver for being present in high in the clouds；The power-off alarm alarm method comprises the following steps：
S10 steps：Initialization, adds user, hardware and software initialization；
S20 steps：High in the clouds is communicated, and alarm signal is sent to the webserver in high in the clouds, sends remote measurement and remote signalling data is logical
Know server off-position；Server receives remote measure and communication data, is then pushed to wechat public platform, and so, user passes through
Log in wechat public number or APP softwares or network checks power failure range and incoming call time；
S30 steps：Outage detection, outage detection is carried out by above-mentioned detection device and sensor, and poll checks " power-off inspection
Whether survey " port status changes；
S40 steps：SMS alarm, reminds power-off or incoming call by sending short message, includes S70-S90 sub-step；
S50 steps：Telephone call, reminds power-off or incoming call by calling, completes alarm；
S60 steps：Sound and light alarm, is reminded by sound and light alarm and powers off or send a telegram here, complete alarm；
S70 steps：Power cut-off incident, power cut-off incident time, place are edited；
S80 steps：SIM800C is set to send short message state；
S90 steps：" power cut-off information " short message is sent, to the short message receiving terminal of initializing set；Complete alarm.
Power-off alarm alarm method described above, the wired or wireless connection refers to：Be when wired by cable or
Optical cable or cable/optical cable mixed structure transmission, the mixed structure, which refers in linkage section, has optical cable transmission to also have cable transmission；Wirelessly
Connection refers to the connection such as WIFI, ZIGBEE, 3G, 4G, 5G；Can also be one section be wired connection, another section be wireless connection.
The present invention has following main beneficial effect：Realize to low-voltage platform area power down complete monitoring, can effectively reduce
The generation of complaint that production class has a power failure, product are easily installed, small volume, save space, alarm promptly and accurately, type of alarm it is various,
It is applied widely.
Brief description of the drawings
Fig. 1 is theory diagram of the invention.
Fig. 2 is the circuit importation circuit diagram of power unit.
Fig. 3 turns 5 V partial circuit diagrams for the VBUS of power unit.
Fig. 4 turns VDD circuit diagrams for the VBUS of power unit.
Fig. 5 turns VGG circuit diagrams for the VDD of power unit.
Fig. 6 is the inside and outside power supply switch circuit figure of power unit.
Fig. 7 is the lithium battery charging circuit figure of power unit.
Fig. 8 is LED drive circuit figure.
Fig. 9 is buzzer drive circuit figure.
Figure 10 is crystal oscillating circuit figure.
Figure 11 is factory reset circuit diagram.
Figure 12 is that circuit diagram is forbidden in MCU resets.
Figure 13 is SWD debugging interface circuit diagrams.
Figure 14 is MCU integrated chip circuitry figures.
Figure 15 is RF IC circuit diagram.
Figure 16 is RF IC RXD match circuit figures.
Figure 17 is RF IC start drive circuit figure.
Figure 18 is RF IC state-driven circuit diagram.
Figure 19 is RF IC TXD match circuit figures.
Figure 20 is sensor two-phase input rectification circuit schematic diagram.
Figure 21 is sensor two-phase electrical level output circuit schematic diagram.
Figure 22 is the flow chart of power-off alarm alarm method.
Embodiment
See Fig. 1 to Figure 19, a kind of low-voltage platform area down Monitor Unit device, with power module YL1, indicating module YL2,
MCU module YL3, radio-frequency module YL4, sensor assembly YL5, it is characterised in that：
The power module is used to supply indicating module, MCU module, radio-frequency module and sensor assembly electric power；
The indicating module is used to show that the reset of the state, the state of power module, MCU module of radio-frequency module to indicate, alarmed
Indicate and audible alarm；
The MCU module, which is used to analyze, to be calculated with sending control instruction；
The radio-frequency module, which is used to send to user, stops power transmission notice；
The sensor assembly is used for power-off or the incoming information for detecting circuit；
Electrically connected between the sensor assembly and MCU module, by electrically connecting between MCU module and indicating module, MCU module
By electrically connecting between radio-frequency module, by electrically connecting between radio-frequency module and indicating module.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the power module is by circuit input unit
Point, VBUS turns 5 V parts, inside and outside power supply switch circuit, VBUS and turns VDD circuits, lithium battery charging circuit, lithium battery output electricity
Road, VDD turn VGG circuits composition；Magnitude of voltage relation is：VBUS> VCC_5V > VCC_BAT > VDD >VGG, VCC_BAT's
The magnitude of voltage of magnitude of voltage and VBUS.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the circuit importation is DC, AC
12V circuits importation, see Fig. 2, wherein, CN1 is 4pin binding post, and DC1 is a 12V power input
Jack.CN1 3,4pin for exchange 12V power input, DC1 be direct current 12V input, direct current and exchange input both
Energy source can be provided using one for device.The electric energy of input passes through rectifier bridge DB107S rectifications, is changed into direct current VBUS.
SMBJ36CA is a two-way TVS pipe, suppresses the surge spike waveform of input.C2 for power supply VBUS decoupling capacitor there is provided
The voltage waveform of output smoothing.IOS1 and IOS2 is two optical coupling modules：IOS1 act as MCU monitoring external sensor switching values
Change；IOS2 act as MCU monitoring devices input power whether power down, i.e. VBUS whether power down；If monitoring single-phase power down i.e.
During without using external sensor, IOS2 works；If monitor three-phase lack phase or power down i.e. using external sensor, IOS1 is acted as
With.
In Fig. 3, a kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the VBUS, which turns 5 V parts, is
VBUS power supplys are depressured by LM2596S-5.0 power supply chips, export 5V VCC_5V voltages, and VCC_5V is lithium battery source control
Chip TP4056E provides electric energy.
In Fig. 4, a kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the VBUS, which turns VDD circuits, is
VBUS power supplys are depressured by LM2596S-ADJ power supply chips, export VDD power supplys, and drain electrode electricity is provided to double P metal-oxide-semiconductors APM4953
Pressure.
In Fig. 5, a kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that described
VDD turn VGG circuits be VDD after diode 4007 is depressured about 0.7V, there is provided to MCU by output about 3.3V voltages VGG
Electric energy.
In Fig. 6, a kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the inside and outside power supply switching electricity
Lu Zhong, APM4953 are double P metal-oxide-semiconductors, play inside and outside power switch switching, i.e., are supplied when device is normally run by external power source
Electricity, CN1 3,4pin or DC1, outside device after power down, turned on inside APM4953, be supplied to battery supply VCC_BAT
VBUS electric energy.
In Fig. 7, a kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the lithium battery charging circuit
In, TP4056E is 3.7V lithium cell charging managing chips, is powered using VCC_5V power supplys, and output VCC_BAT is 3.7V lithium batteries
Charging, LED3 lamps go out after battery is full of.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the lithium battery output circuit is two feast-brand marks
Voltage is called that 3.7V lithium batteries are in parallel, is just terminating VCC_BAT, negativing ending grounding.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the indicating module drives electricity comprising LED
Road and buzzer drive circuit；Fig. 8 is LED drive circuit, wherein, LED1 is radio-frequency module SIM800C status indicator lamp,
LED2 is alarm lamp, and LED3 is 3.7V lithium cell charging indicator lamps, and LED4 is MCU homing lights；Fig. 9 drives for buzzer
Dynamic circuit, wherein, M1 is buzzer, and S8050 is NPN triode, and the CE of MCU BZ pin levels control S8050 triodes leads to
It is disconnected.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the MCU module is by crystal oscillating circuit, recovery
Default Value circuit, MCU, which reset, forbids circuit, SWD debugging interfaces and MCU integrated chips composition；Figure 10 is crystal oscillating circuit, is produced
8MHZ signal；Figure 11 is factory reset circuit, and SW1 KEY keys are used to reset, and Figure 12 is that circuit is forbidden in MCU resets；Figure
13 be SWD debugging interface circuits, and Figure 14 is MCU integrated chips；Above-mentioned annexation is that identical label connects.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the radio-frequency module is by the integrated electricity of radio frequency
Road, RF IC RXD match circuits, RF IC start drive circuit, RF IC state-driven circuit,
RF IC TXD match circuits are constituted；Figure 15 is RF IC, model SIM800C radio frequency chips, and CN4 is day
Line emitting portion, C16 to C20 is the shunt capacitance that VDD provides power supply to module, plays filter action, R20 to R22 and C21 is extremely
C24 constitutes the RC filter circuits that SIM card communicates with SIM800C；Figure 16 RF IC RXD match circuits, Figure 19 radio frequency collection
It is that MCU communicates with SIM800C and communicated by serial port circuit into circuit TXD match circuits, in order that level one before both
Cause, communication is stable；Figure 17 RF ICs start drive circuit, Figure 18 RF IC state-driven circuits, pass through MCU
Control, be combined into SIM800C start drive circuit and SIM800C state-driven circuits；Above-mentioned annexation is identical mark
Number connect.
A kind of low-voltage platform area down Monitor Unit device described above, it is characterised in that the sensor assembly, refer to Figure 20
And signal map two-phase in Figure 21, Figure 20 and Figure 21, when being detected as three-phase and four-line, it need to correspondingly be equipped with multichannel string
Connection, only and all non-stopping time relay ability adhesive of A, B, C, N three-phase and zero line, the complete non-stopping time relay of two-phase is just certainly, during two-phase
Adhesive, it is of course also possible to only detect single-phase；Certain sensor can also commercially purchase severe pain and arrive；The down Monitor Unit is passed
Three phase network and zero line that the three-phase input end and zero line input of sensor get access to grid respectively；The output of down Monitor Unit sensor connects
Meet the statement of power unit；It is of course also possible to use single-phase down Monitor Unit sensor.
Due to for the technical field personnel of place, after Figure of description has been checked, with regard to can be well understood how
Connection, is corresponded in the application, and identical port, contact label correspondence are connected, therefore the label connection of component is not carried out into one
One description, under the enlightenment of accompanying drawing, place technical field personnel can implement, moreover, making for the end at two ends, three end ports
Label is identified, and is so easy for the overlap joint of circuit.
See Figure 22, power-off alarm alarm method it uses a kind of low-voltage platform area down Monitor Unit dress described above
Put, it also includes the webserver for being present in high in the clouds；The power-off alarm alarm method comprises the following steps：
S10 steps：Initialization, adds user, hardware and software initialization；
S20 steps：High in the clouds is communicated, and alarm signal is sent to the webserver in high in the clouds, sends remote measurement and remote signalling data is logical
Know server off-position；Server receives remote measure and communication data, is then pushed to wechat public platform, and so, user passes through
Log in wechat public number or APP softwares or network checks power failure range and incoming call time；
S30 steps：Outage detection, outage detection is carried out by above-mentioned detection device and sensor, and poll checks " power-off inspection
Whether survey " port status changes；
S40 steps：SMS alarm, reminds power-off or incoming call by sending short message, includes S70-S90 sub-step；
S50 steps：Telephone call, reminds power-off or incoming call by calling, completes alarm；
S60 steps：Sound and light alarm, is reminded by sound and light alarm and powers off or send a telegram here, complete alarm；
S70 steps：Power cut-off incident, power cut-off incident time, place are edited；
S80 steps：SIM800C is set to send short message state；
S90 steps：" power cut-off information " short message is sent, to the short message receiving terminal of initializing set；Complete alarm.
Power-off alarm alarm method described above, the wired or wireless connection refers to：Be when wired by cable or
Optical cable or cable/optical cable mixed structure transmission, the mixed structure, which refers in linkage section, has optical cable transmission to also have cable transmission；Wirelessly
Connection refers to the connection such as WIFI, ZIGBEE, 3G, 4G, 5G；Can also be one section be wired connection, another section be wireless connection.
This program is used to monitor grid cut-off and calling event.Addition user is needed before use and relative set is carried out.When
Power off（Or incoming call）During event, corresponding alert process is carried out if corresponding function is opened.This program is also equipped with connecting
The function of the webserver is connect, by grid cut-off（Or carry out electricity condition）Cycle is sent to the webserver.
Apparatus of the present invention at most 3 road low-pressure line-outgoings of monitoring.Device is made up of main frame and sensor two parts, installed in distribution
Freedom and flexibility in case, small volume, save space.There are 4 interfaces sensor one end, and 3 live wires and 1 zero line, the other end are connect respectively
There are 3 interfaces, intermediary interface is common port, both sides are respectively normally opened end and normal-closed end in addition, typically only use normally opened end）,
By common port（COM）With normally opened end（NC）It is connected to host sensor interface；Main frame front is included：12V power adaptor interfaces,
AC 12V power interfaces, sensor interface, switch.The main frame back side is included：Reset key, four road indicator lamps（Network is indicated, charging refers to
Show, state instruction, police instruction）, SIM card neck, SMA antennal interfaces.Main frame indicator lamp lamp signal is as follows：
Indicator lamp：Network indicator lamp（Green）, it is bright：3s flashes once：Network, gone out：1s flashes once：Failed cluster；
Indicator lamp：Charging indicator light（Green）, it is bright：Charge, go out：1s flashes once：Charging is finished；
Indicator lamp：Status indicator lamp（It is red）, it is bright：It is registered to network, go out：It is unregistered to network；
Indicator lamp：Alarm lamp（It is red）, it is bright：2s flashes once：In alarm, go out：Do not alarm.In use, needing handle before upper electricity
SIM card is plugged, and forbids plug sim card after first upper electricity；Sensor L1, L2, L3 are connected into three live wires, N connection zero lines respectively；Sensing
" NC, COM " interface are connected device with main frame " sensor " interface；Buzzer can alarm inside machine after upper electricity, press and reset behind
Switch eliminates alarm；Settable one to eight group equipment owner's numbers.When platform area low tension switch trips, equipment can each be set
Standby owner sends power failure short message, and dials power failure phone to equipment owner one, if equipment owner one answers, and stops continuing to dial
Number；If equipment owner one does not answer or not answered, dialled to equipment owner two ... the like, until someone receives calls
Untill.
The present invention realizes to low-voltage platform area power down complete monitoring, can effectively reduce the complaint of production class " frequently having a power failure "
Generation.
The present invention is arranged in distribution box, small volume, save space.Sensor one end connect respectively low-voltage circuit breaker outlet A,
In B, C it is any all the way and zero line, other end output switch amount is connected to main board.Usually No. three low-voltage circuit breakers are all closures
During electriferous state, the relay output switch amount 0 of sensor output, mainboard MCU（STM32）Normal operation, lithium battery is normal
Charge to 3.7-4.2V.When No. three low-voltage circuit breakers have power down all the way, the state will be detected by the sensors, sensor output
Relay output switch amount 1 monitored by mainboard MCU, MCU given by SIM800C modules the mobile phone specified send power failure short message and
Alarm call, notifies related unit-area management person to handle power cut problem in time.
The present invention can not only be used in power network power-off come electric alarm, may be also used in aquarium, plant, food company,
Household, computer room etc. all in the stronger field of electric power dependence.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
, can also be on the premise of this patent objective not be departed from formula, the knowledge that one skilled in the relevant art possesses
Make a variety of changes.
Claims (10)
1. a kind of low-voltage platform area down Monitor Unit device, with power module, indicating module, MCU module, radio-frequency module, sensor
Module, it is characterised in that：
The power module is used to supply indicating module, MCU module, radio-frequency module and sensor assembly electric power；
The indicating module is used to show that the reset of the state, the state of power module, MCU module of radio-frequency module to indicate, alarmed
Indicate and audible alarm；
The MCU module, which is used to analyze, to be calculated with sending control instruction；
The radio-frequency module, which is used to send to user, stops power transmission notice；
The sensor assembly is used for power-off or the incoming information for detecting circuit；
Electrically connected between the sensor assembly and MCU module, by electrically connecting between MCU module and indicating module, MCU module
By electrically connecting between radio-frequency module, by electrically connecting between radio-frequency module and indicating module.
2. a kind of low-voltage platform area down Monitor Unit device according to claim 1, it is characterised in that described power module is by electricity
Road importation, VBUS turns 5 V parts, inside and outside power supply switch circuit, VBUS and turns VDD circuits, lithium battery charging circuit, lithium electricity
Pond output circuit, VDD turn VGG circuits composition；Magnitude of voltage relation is：VBUS> VCC_5V > VCC_BAT > VDD >VGG,
VCC_BAT magnitude of voltage and VBUS magnitude of voltage.
3. a kind of low-voltage platform area down Monitor Unit device according to claim 2, it is characterised in that described power module is by electricity
Road importation, VBUS turns 5 V parts, inside and outside power supply switch circuit, VBUS and turns VDD circuits, lithium battery charging circuit, lithium electricity
Pond output circuit, VDD turn VGG circuits composition；Magnitude of voltage relation is：VBUS> VCC_5V > VCC_BAT > VDD >VGG,
VCC_BAT magnitude of voltage and VBUS magnitude of voltage.
4. a kind of low-voltage platform area down Monitor Unit device according to claim 3, it is characterised in that described circuit importation
It is DC, AC 12V circuits importation, wherein, CN1 is 4pin binding post, and DC1 is a 12V power input
Jack, CN1 3,4pin for exchange 12V power input, DC1 be direct current 12V input, direct current and exchange input both
Energy source can be provided for device using one, the electric energy of input passes through rectifier bridge DB107S rectifications, is changed into direct current VBUS,
SMBJ36CA is two-way TVS pipe, suppresses the surge spike waveform of input, C2 for power supply VBUS decoupling capacitor there is provided
The voltage waveform of output smoothing, IOS1 and IOS2 are two optical coupling modules：IOS1 act as MCU monitoring external sensor switching values
Change；IOS2 act as MCU monitoring devices input power whether power down, i.e. VBUS whether power down；If monitoring single-phase power down i.e.
During without using external sensor, IOS2 works；If monitor three-phase lack phase or power down i.e. using external sensor, IOS1 is acted as
With；It is that VBUS power supplys are depressured by LM2596S-5.0 power supply chips that the VBUS, which turns 5 V parts, exports 5V VCC_5V voltages,
VCC_5V provides electric energy for lithium battery power management chip TP4056E；It is that VBUS power supplys pass through that the VBUS, which turns VDD circuits,
LM2596S-ADJ power supply chips are depressured, and export VDD power supplys, and drain voltage is provided to double P metal-oxide-semiconductors APM4953；The VDD turns
VGG circuits be VDD after diode 4007 is depressured about 0.7V, output 3.3V voltages VGG there is provided give MCU electric energy；It is described inside and outside
In portion's power supply switch circuit, APM4953 is double P metal-oxide-semiconductors, plays inside and outside power switch switching, i.e., when device is normally run
Powered by external power source, CN1 3,4pin or DC1, outside device after power down, turned on inside APM4953, make battery supply
VCC_BAT is supplied to VBUS electric energy；In the lithium battery charging circuit, TP4056E is 3.7V lithium cell charging managing chips, is made
Powered with VCC_5V power supplys, output VCC_BAT is 3.7V lithium cell chargings, LED3 lamps go out after battery is full of；The lithium battery
Output circuit is that two section nominal voltages are that 3.7V lithium batteries are in parallel, is just terminating VCC_BAT, negativing ending grounding.
5. a kind of low-voltage platform area down Monitor Unit device according to claim 1 to claim 4 any one, its feature exists
LED drive circuit and buzzer drive circuit are included in the indicating module；In LED drive circuit, LED1 is radio-frequency module
SIM800C status indicator lamp, LED2 is alarm lamp, and LED3 is 3.7V lithium cell charging indicator lamps, and LED4 resets for MCU
Indicator lamp；In buzzer drive circuit, M1 is buzzer, and S8050 is NPN triode, MCU BZ pin levels control S8050
The CE break-makes of triode.
6. a kind of low-voltage platform area down Monitor Unit device according to claim 1 to claim 4 any one, its feature exists
Being resetted in the MCU module by crystal oscillating circuit, factory reset circuit, MCU forbids circuit, SWD debugging interfaces and MCU integrated
Chip composition crystal oscillating circuit produces 8MHZ signal；In factory reset circuit, SW1 KEY keys are used to reset.
7. a kind of low-voltage platform area down Monitor Unit device according to claim 1 to claim 4 any one, its feature exists
In the radio-frequency module by RF IC, RF IC RXD match circuits, RF IC start driving electricity
Road, RF IC state-driven circuit, RF IC TXD match circuits composition；RF IC model
SIM800C radio frequency chips, CN4 is antenna emitting portion, and C16 to C20 is the shunt capacitance that VDD provides power supply to module, is played
Filter action, R20 to R22 constitutes the RC filter circuits that SIM card communicates with SIM800C with C21 to C24；RF IC RXD
Match circuit, RF IC TXD match circuits are that MCU communicates with SIM800C and communicated by serial port circuit, in order that
Level is consistent before both, and communication is stable；RF IC start drive circuit, RF IC state-driven circuit,
By MCU control, SIM800C start drive circuits and SIM800C state-driven circuits are combined into.
8. a kind of low-voltage platform area down Monitor Unit device according to claim 5 any one, it is characterised in that the MCU moulds
Block is resetted by crystal oscillating circuit, factory reset circuit, MCU forbids circuit, SWD debugging interfaces and MCU integrated chips to constitute crystalline substance
The circuit that shakes produces 8MHZ signal；In factory reset circuit, SW1 KEY keys are used to reset.
9. a kind of low-voltage platform area down Monitor Unit device according to claim 6 any one, it is characterised in that the radio frequency
Module is integrated by RF IC, RF IC RXD match circuits, RF IC start drive circuit, radio frequency
Circuit state drive circuit, RF IC TXD match circuits composition；RF IC model SIM800C radio frequency cores
Piece, CN4 is antenna emitting portion, and C16 to C20 is the shunt capacitance that VDD provides power supply to module, plays filter action, R20 is extremely
R22 constitutes the RC filter circuits that SIM card communicates with SIM800C with C21 to C24；RF IC RXD match circuits, radio frequency
Integrated circuit TXD match circuits are that MCU communicates with SIM800C and communicated by serial port circuit, in order that level before both
Unanimously, communicate stable；RF IC start drive circuit, RF IC state-driven circuit, pass through MCU control
System, is combined into SIM800C start drive circuits and SIM800C state-driven circuits.
10. a kind of power-off alarm alarm method, it uses one kind described in claim 1 to claim 4 any one
Low-voltage platform area down Monitor Unit device, the low-voltage platform area down Monitor Unit device also includes the webserver for being present in high in the clouds；Institute
Power-off alarm alarm method is stated to comprise the following steps：
S10 steps：Initialization, adds user, hardware and software initialization；
S20 steps：High in the clouds is communicated, and alarm signal is sent to the webserver in high in the clouds, sends remote measurement and remote signalling data is logical
Know server off-position；Server receives remote measure and communication data, is then pushed to wechat public platform, and so, user passes through
Log in wechat public number or APP softwares or network checks power failure range and incoming call time；
S30 steps：Outage detection, outage detection is carried out by above-mentioned detection device and sensor, and poll checks " power-off inspection
Whether survey " port status changes；
S40 steps：SMS alarm, reminds power-off or incoming call by sending short message, includes S70-S90 sub-step；
S50 steps：Telephone call, reminds power-off or incoming call by calling, completes alarm；
S60 steps：Sound and light alarm, is reminded by sound and light alarm and powers off or send a telegram here, complete alarm；
S70 steps：Power cut-off incident, power cut-off incident time, place are edited；
S80 steps：SIM800C is set to send short message state；
S90 steps：" power cut-off information " short message is sent, to the short message receiving terminal of initializing set；Complete alarm.
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| CN201710460850.3A CN107144750A (en) | 2017-06-18 | 2017-06-18 | A kind of low-voltage platform area down Monitor Unit device and alarm method |
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Address after: 448001 2 Rain Lane Road, Dongbao District, Jingmen, Hubei Applicant after: STATE GRID HUBEI ELECTRIC POWER CO., LTD. JINGMEN POWER SUPPLY Co. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 448001 2 Rain Lane Road, Dongbao District, Jingmen, Hubei Applicant before: JINGMEN POWER SUPPLY COMPANY OF STATE GRID HUBEI ELECTRIC POWER CO. Applicant before: State Grid Corporation of China |
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Application publication date: 20170908 |