CN110299760A - Distribution box monitoring device based on wireless data transmission technology - Google Patents
Distribution box monitoring device based on wireless data transmission technology Download PDFInfo
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- CN110299760A CN110299760A CN201910467753.6A CN201910467753A CN110299760A CN 110299760 A CN110299760 A CN 110299760A CN 201910467753 A CN201910467753 A CN 201910467753A CN 110299760 A CN110299760 A CN 110299760A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 44
- 238000005516 engineering process Methods 0.000 title claims abstract description 28
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 87
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000012546 transfer Methods 0.000 claims abstract description 25
- 238000005070 sampling Methods 0.000 claims abstract description 23
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 20
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 10
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 17
- 238000007726 management method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- H02J13/0075—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a kind of distribution box monitoring device based on wireless data transmission technology, the input terminal of digital sampling and processing is connected separately with three electric energy detection modules, switch folding detection module, ac leakage detection module, multi-channel temperature measurement module, cigarette sense data acquisition module, three electric energy detection modules are correspondingly connected with three measure voltage & current sensors, switch folding detection module connects N number of channel switch detection sensor, ac leakage detection module connects N number of channel sensor for detecting electric leakage, multi-channel temperature measurement module connects N number of channel ABC temperature detection sensors, the output end of digital sampling and processing is connected with wireless data transfer module in turn, remote data server, remote data server is connect with mobile terminal or the end PC respectively again.The present invention solves the problems, such as distribution box difficult wiring existing in the prior art and because cost causes to promote the use of a large area.
Description
Technical field
The invention belongs to construction site Electrical Safety administrative skill fields, and in particular to one kind is based on wireless data transmission skill
The distribution box monitoring device of art.
Background technique
The problems such as construction site electricity consumption has open and randomness, is easy to appear electric shock, fire, pacifies to cause electricity consumption
Full problem.Traditional management method is that distribution box is closed and is locked, and is responsible for wiring and switch by special messenger, but due to existing
The uncertainty of field personnel and the illegal operation of civilian worker are customary, often lead to system management and do not meet on-site actual situations.
In order to technically cooperate safety utilization of electric power management, earth leakage protective device, release sequential use in the distribution box of construction site,
And be included in national standard and carry out mandatory administration, current newest distribution box management also configure electrical fire-detector and ordinary electric meter or
Person's intelligent electric meter, in order to remotely obtain live electricity consumption data.But there is also following several for these equipment in actual use
Problem:
The data of distribution box are transmitted to remotely using wired RS485 mode.This wired connection mode may be by field
The limitation on ground can be exposed to open space, and the destruction for being subject to mechanically moving causes data that can not transmit；
Since different stage is possible to carry out the movement of randomness distribution box at the scene, this is carries out data transmission again
Wiring tape come it is difficult, operability is poor；
The switch state at distribution box scene can not detect, cannot in time clear electrical equipment, investigation problem it is relatively time-consuming；
The module of multiple producers is often selected to carry out piecing together integration when needing to detect cigarette sense, electric leakage and ammeter function, this is not
The excessive bad installation of volume is only resulted in, and the module data integration between different manufacturers is more troublesome.
On the other hand, the wireless transmission of current data is very mature, for example, wifi, bluetooth, GPRS, 3G and 4G at
It is ripe to be applied to many fields, but the informationization of construction site is still relatively backward, there are two reasons: 1) WiFi is at the construction field (site)
All standing difficult to realize, Bluetooth transmission distance are restricted；2) GPRS, 3G and 4G are deposited for transmitting opposite construction site equipment management
In the relatively high problem of rate.
Summary of the invention
The object of the present invention is to provide a kind of distribution box monitoring device based on wireless data transmission technology, solves existing
Distribution box difficult wiring present in technology and because cost leads to the problem of cannot promoting the use of a large area.
The technical scheme adopted by the invention is that the distribution box monitoring device based on wireless data transmission technology, including number
According to acquisition processing module, digital sampling and processing is STM32F105 chip, and the input terminal of digital sampling and processing connects respectively
It is connected to A electric energy detection modules, B electric energy detection modules, C electric energy detection modules, switch folding detection module, ac leakage
Detection module, multi-channel temperature measurement module, cigarette sense data acquisition module, A electric energy detection modules are correspondingly connected with A voltage and currents
Detection sensor, B electric energy detection modules are correspondingly connected with B measure voltage & current sensors, and C electric energy detection modules are corresponding to be connected
C measure voltage & current sensors are connect, switch folding detection module connects N number of channel switch detection sensor, ac leakage inspection
It surveys module and connects N number of channel sensor for detecting electric leakage, multi-channel temperature measurement module connects N number of channel ABC temperature detections sensing
Device, the output end of digital sampling and processing are connected with wireless data transfer module, remote data server, teledata in turn
Server is connect with mobile terminal or the end PC respectively again.
The features of the present invention also characterized in that
Battery voltage detection and control module, warning output control is also respectively connected in the output end of digital sampling and processing
Molding block, switch folding output control module.
Battery voltage detection and control module use STM32F105 main control chip, and the effect of this module is the electricity of detection battery
Pressure, and safety value is set and guarantees that cpu chip and GPRS chip can work normally, warning output control module uses STM32F105
Main control chip, switch folding output control module use STM32F105 main control chip, act on as Remote Open/turn off the switch.
Wireless data transfer module is LORA wireless data transfer module, built-in chip SX1278, wireless data transmission
It is also connected with LORA between module and remote data server and turns GPRS radio network gateway module, LORA turns GPRS radio network gateway mould
Block, wherein GPRS module is the wireless Modem of embedded GSM/GPRS core cell, has complete power-supply management system, standard
Serial data interface.
Wireless data transfer module is NB-IOT wireless data transfer module, and model WH-NB73, user can easily collect
At being gone in the mainboard device to oneself.
A electric energy detection modules, B electric energy detection modules, that C electric energy detection modules are all made of three-phase multifunctional is anti-electricity-theft
Metering chip RN8302 chip.
Switch folding detection module, ac leakage detection module are all made of STM32F105 main control chip, multi-channel temperature measurement
Module model DS18B20, cigarette sense data acquisition module model MQ-2-135-3-7-9.
Channel switch detection sensor, channel sensor for detecting electric leakage are all made of RN8302 chip, channel ABC temperature inspection
Survey sensor model number is DS18B20.
The output end of digital sampling and processing is also connected with RS485 wired data transfer module, and RS485 cable data passes
Defeated module model SP485EEN.
The invention has the advantages that the distribution box monitoring device based on wireless data transmission technology, does not need artificial more
Secondary wiring, wireless module are high-efficient and at low cost.Using LORA wireless module replace RS485 wire transmission, data transmission stablize,
It is not easy to wreck, strong operability and at low cost.Increase switch state detection, it can timely clear electrical equipment.Conventional electrical distribution
The switch position at case scene can not be detected, and when the problem of investigation, need to check one by one relatively time-consuming, and the present invention increases the function,
Can promptly and accurately clear electrical equipment, quickly check problem.Distribution box monitoring device based on wireless data transmission technology, is not required to
The module for piecing together multiple producers achievees the purpose that function is integrated.Present invention combination electricity, voltage, electric current, electricity, power because
Son, cigarette sense, electric leakage, output control and the detection of switch state, functionally integrated, not only solve existing multiple vendor modules
The difficulty of integration, and it is easy to use efficient.Reserved RS485 interface, the intelligent distribution box that can be directly integrated with legacy system
Data interaction is carried out, solves the problems, such as that new and old equipment replacement is at high cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the distribution box monitoring device the present invention is based on wireless data transmission technology；
Fig. 2 is the structural block diagram of the distribution box monitoring device data collection terminal the present invention is based on wireless data transmission technology；
Fig. 3 is the electric leakage data structure block diagram of the distribution box monitoring device the present invention is based on wireless data transmission technology；
Fig. 4 is the distribution box monitoring device course of work flow chart the present invention is based on wireless data transmission technology.
In figure, 1.A electric energy detection modules, 2.B electric energy detection modules, 3.C electric energy detection modules, 4. switch foldings
Detection module, 5. ac leakage detection modules, 6. multi-channel temperature measurement modules, 7. cigarette sense data acquisition modules, the acquisition of 8. data
Processing module, 9. wireless data transfer modules, 10. battery voltage detections and control module, 11. warning output control modules, 12.
Switch folding output control module, 13. remote data servers, 14.RS485 wired data transfer module, the end 15.PC, 16. move
Dynamic terminal, 17.LORA turn GPRS radio network gateway module.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The present invention is based on the distribution box monitoring device of wireless data transmission technology, structure is as shown in Figure 1, include that data acquire
Processing module 8, digital sampling and processing 8 are STM32F105 chip, and the input terminal of digital sampling and processing 8 is separately connected
There are A electric energy detection modules 1, B electric energy detection modules 2, C electric energy detection modules 3, switch folding detection module 4, exchange leakage
Electro-detection module 5, multi-channel temperature measurement module 6, cigarette sense data acquisition module 7, A electric energy detection modules 1 are correspondingly connected with A electricity
Current voltage detection sensor, B electric energy detection modules 2 are correspondingly connected with B measure voltage & current sensors, C electric energy detection moulds
Block 3 is correspondingly connected with C measure voltage & current sensors, and switch folding detection module 4 connects N number of channel switch detection sensor,
Ac leakage detection module 5 connects N number of channel sensor for detecting electric leakage, and multi-channel temperature measurement module 6 connects N number of channel ABC
Temperature detection sensor, the output end of digital sampling and processing 8 are connected with wireless data transfer module 9, teledata in turn
Server 13, remote data server 13 are connect with mobile terminal 16 or the end PC 15 respectively again.
It is defeated that battery voltage detection and control module 10, alarm is also respectively connected in the output end of digital sampling and processing 8
Control module 11, switch folding output control module 12 out.
Battery voltage detection and control module 10 use STM32F105 main control chip, and the effect of this module is detection battery
Voltage, and safety value is set and guarantees that cpu chip and GPRS chip can work normally, warning output control module 11 uses
STM32F105 main control chip acts on one: stolen alarm, i.e., when generation cable is stolen and surprisingly disconnects, notice is ensured public security and pacified in time
Full administrative staff；Effect two: electric appliance alarm notifies electrician and safety that is, when the dangerous situations such as electric leakage, short circuit, fire occur in time
Administrative staff；Effect three: abnormal alarm is logical in time that is, when the abnormal service conditions such as distribution box power-off, overload and tripping occur
Know electrician and safety manager.Switch folding output control module 12 uses STM32F105 main control chip, acts on remotely to beat
Opening/closing switch.
Wireless data transfer module 9 is LORA wireless data transfer module, and built-in chip SX1278 is a volume
Small, micropower, low-power consumption, high-performance, remote wireless data transmission module, wireless data transfer module 9 and remote date transmission
It is also connected with LORA between device 13 and turns GPRS radio network gateway module 17, LORA turns GPRS radio network gateway module 17, wherein GPRS mould
Block is the wireless Modem of embedded GSM/GPRS core cell, has complete power-supply management system, and the serial data of standard connects
Mouthful.
Wireless data transfer module 9 is NB-IOT wireless data transfer module, and model WH-NB73 is a using shifting
Dynamic NB-IOT network carries out the built-in terminal of wireless data transmission, small in size, interface is simple, user can easily be integrated into from
Oneself mainboard device gets on.
It is anti-that A electric energy detection modules 1, B electric energy detection modules 2, C electric energy detection modules 3 are all made of three-phase multifunctional
Stealing metering chip RN8302 chip.
Switch folding detection module 4, ac leakage detection module 5 are all made of STM32F105 main control chip, multi way temperature inspection
Survey 6 model DS18B20 of module, 7 model MQ-2-135-3-7-9 of cigarette sense data acquisition module.
Channel switch detection sensor, channel sensor for detecting electric leakage are all made of RN8302 chip, channel ABC temperature inspection
Survey sensor model number is DS18B20.
The output end of digital sampling and processing 8 is also connected with RS485 wired data transfer module 14, and RS485 has line number
According to 14 model SP485EEN of transmission module.
The present invention is based on the distribution box monitoring devices of wireless data transmission technology, and data processing end is by being based on ARM
The processor of Cortex-M3 technology platform forms digital sampling and processing 8, is mainly filtered and adds to the data of acquisition
The purpose of work processing, core is to calculate timely, reliable testing result.Output control terminal consists of two parts: warning output control
Molding block 11 is mainly used for when there is current overload, electric leakage more than alarming value, temperature being more than alarming value, cigarette sense more than alarming value
And auditory tone cues alarm can be locally being carried out when equipment failure；Switch folding output control module 12, for working as
There is current overload, situations such as breaking down more than alarming value, cigarette sense more than alarming value and equipment more than alarming value, temperature of leaking electricity
When can cut off corresponding controllable switch, cut off the power to ensure safety, or receive from long-range switch folding control order into
The corresponding controllable switch control of row.Data transmission system: mainly will be in the data set of each LORA child node by LORA technology
It sends wireless data transfer module 9 and retransmits to LORA and turn GPRS radio network gateway module 17, GPRS will pass through public network again to be counted
According to remote data server 13 is transmitted to, in order to which manager can check distribution box by mobile phone 16 or webpage 15 at any time
Electricity consumption situation and state；Data receiver: main equipment ammeter (receiving node) and remote platform or mobile phone terminal APP, meanwhile, data
The reserved RS485 wire communication for supporting modbus of interface, to support the traditional intelligences such as other intelligent electric meters, electrical fire-detector
The data of power consumption management equipment are docked.The present invention solves difficult wiring existing in the prior art, and switch state can not detect,
Module piece together that integration is complicated and data transmission rate are higher and apart from restricted problem.
The present invention is based on the courses of work of the distribution box monitoring device of wireless data transmission technology, as shown in Figure 4:
It acquires by A electric energy detection modules 1, B electric energy detection modules 2, C electric energy detection modules 3 first and always opens ABC
The electric current and voltage of item before data acquisition, need to pass through mutual inductor since the voltage of industry and civilian electricity belongs to forceful electric power
The isolation conversion (as shown in Figure 2) that forceful electric power signal carries out light current is carried out, system is calculated by the electric current and voltage data acquired
Then apparent energy, active power, reactive power, phase difference and electricity data transfer data to data by SPI interface and adopt
Collect processing module 8, data center is according to the amplitudes of variation of previous data and current data, if data variation amplitude mistake
Greatly, current data will be filtered and obtains authentic and valid filtering data, because changing excessive data may be power grid wave
Data are interfered caused by the factors such as dynamic；It continues through AD conversion channel and acquires multiple cigarette sense data, and use and go extreme mean value
Filtering algorithm is filtered cigarette sense data, obtains effective cigarette sense data.It is acquired by Special alternating-current detection of electrical leakage module 5 more
Electric leakage data in road before data acquisition, need to carry out by mutual inductor since the voltage of industry and civilian electricity belongs to forceful electric power
Forceful electric power signal carry out light current isolation convert (as shown in Figure 3), due to electric leakage data in collection process may by power grid interference,
The environmental factor of electromagnetic interference is more, therefore acquires up to 128 data in a power frequency period in collection process, and right
Data carry out average value and solve to reject interference data, finally solve actual electric leakage data and are transmitted data by serial ports
To digital sampling and processing.Data center acquires the temperature data of multi way temperature sensor 6 by one-wire bus, and according to preceding
The amplitude of variation of primary data and current data will be filtered current data and obtain if data variation amplitude is excessive
Authentic and valid filtering data, because changing excessive data may be interference data caused by the factors such as environmental disturbances.Pass through
Switch folding detection module 4 acquires switch state, since the voltage of industry and civilian electricity belongs to forceful electric power, acquires in data
Before, the isolation for needing to carry out forceful electric power signal progress light current by optocoupler is converted and transmits a signal to digital sampling and processing
The I/O port of CPU needs more since switch data may be influenced in collection process by environmental disturbances in collection process
Secondary acquisition data and the principle progress data filtering for carrying out key Key dithering.Judge to work as by the data of each switch of acquisition
The state of preceding distribution box, such as normal power supply, distribution box power off, open separating brake state always to judge that it is secondary that those data need to carry out
Filtering.When judging that working condition changes, digital sampling and processing 8 uploads remote platform according to the state after variation immediately；
If state change is distribution box power-off, it is also necessary to all reset electric leakage and energy data and upload remote platform；If shape
State becomes always opening separating brake, needs that zeros data will be leaked electricity and is uploaded to remote platform.When judging that working condition is unchanged, data
Acquisition processing module has next determined whether wiring faults generation, if faulty generation, immediately uploads the information of failure
To remote platform；It is to be sent according to short cycle or long period is sent according to system mode and the judgement of treated energy data,
If data will be sent according to short cycle when data variation has been more than static change ratio, in order to notify remote platform number in time
According to situation of change；When data variation is less than static change ratio, data will be sent according to long period, and remote platform is original
Data can represent current data, by data transmitting period it is elongated be transmitted traffic in order to reduce data；Work as system mode
When being constantly in distribution box power-off, energy data is with long period transmission and data value is 0.According to system mode and treated
Electric leakage data judgement is sent according to short cycle transmission or long period, if data will be according to short cycle when being more than alarming value
It sends, in order to notify the state change situation and data of remote platform electric leakage data in time；When data value is less than alarming value
Data will be sent according to long period, and the original data of remote platform can represent current state, and data transmitting period is elongated
It is the transmitted traffic in order to reduce data；When system mode is constantly in distribution box power-off or always opens separating brake, leak electricity data number
Long period is sent accordingly and data value is 0.It according to system mode and the judgement of treated temperature data is sent out according to short cycle
Returning is that long period is sent, remotely flat in order to notify in time if data will be sent when being more than alarming value according to short cycle
The state change situation and data of platform temperature data；When data value is less than alarming value, data will be sent according to long period, remotely
The original data of platform can represent current state, by data transmitting period it is elongated be transmitted traffic in order to reduce data；
When system mode is constantly in distribution box power-off or always opens separating brake, temperature data data are with long period transmission and data value is
0.It is to be sent according to short cycle or long period is sent according to system mode and the judgement of treated cigarette sense data, if data are super
It will be sent according to short cycle when having crossed alarming value, in order to notify the state change situation and number of remote platform cigarette sense data in time
According to；When data value is less than alarming value, data will be sent according to long period, and the original data of remote platform can represent current
State, by data transmitting period it is elongated be transmitted traffic in order to reduce data；When system mode is constantly in distribution box power-off
Or when always opening separating brake, cigarette sense data are with long period transmission and data value is 0.According to system mode and the battery data of acquisition into
Row judgement, if system is normal but cell voltage is abnormal, digital sampling and processing will be immediately to remote platform uploads of battery
Fault message.Again the interval information for updating each data transmission time point is conveniently adjusted the short cycle of parameters and sends out for a long time
Send data timing.Judge whether to open and close some switch according to electric leakage, temperature, cigarette sense and energy data, if data are more than danger
State then closes corresponding power switch immediately.The control command for receiving and coming to remote platform is judged whether there is, if there is then
Control switch those of after parsing is simultaneously needed folding control to control by resolve command.
The present invention is based on the distribution box monitoring device of wireless data transmission technology, in conjunction with electricity, voltage, electric current, electricity,
Power factor, cigarette sense, electric leakage, output control and the detection of switch state, functionally integrated, solve existing multiple producer's moulds
The difficulty of block integration；The LORA wireless data transmission technology of low cost solves difficult wiring and because cause cannot be big for cost simultaneously
The problem of area is promoted the use of.
Claims (9)
1. the distribution box monitoring device based on wireless data transmission technology, which is characterized in that including digital sampling and processing
(8), digital sampling and processing (8) is STM32F105 chip, and the input terminal of digital sampling and processing (8) is connected separately with A
Electric energy detection module (1), B electric energy detection modules (2), C electric energy detection modules (3), switch open and close detection module (4),
Ac leakage detection module (5), multi-channel temperature measurement module (6), cigarette sense data acquisition module (7), A electric energy detection modules
(1) A measure voltage & current sensors are correspondingly connected with, B electric energy detection modules (2) are correspondingly connected with B measure voltage & currents and pass
Sensor, C electric energy detection modules (3) are correspondingly connected with C measure voltage & current sensors, and switch folding detection module (4) connects N
A channel switch detection sensor, ac leakage detection module (5) connect N number of channel sensor for detecting electric leakage, multi way temperature inspection
It surveys module (6) and connects N number of channel ABC temperature detection sensors, the output end of digital sampling and processing (8) is connected in turn
Wireless data transfer module (9), remote data server (13), remote data server (13) again respectively with mobile terminal (16)
Or the end PC (15) connection.
2. the distribution box monitoring device according to claim 1 based on wireless data transmission technology, which is characterized in that described
Battery voltage detection and control module (10), warning output control is also respectively connected in the output end of digital sampling and processing (8)
Molding block (11), switch folding output control module (12).
3. the distribution box monitoring device according to claim 2 based on wireless data transmission technology, which is characterized in that described
Battery voltage detection and control module (10) use STM32F105 main control chip, and the effect of this module is the voltage of detection battery, and
Setting safety value guarantees that cpu chip and GPRS chip can work normally, and warning output control module (11) uses STM32F105 master
Chip is controlled, switch folding output control module (12) uses STM32F105 main control chip, acts on as Remote Open/turn off the switch.
4. the distribution box monitoring device according to claim 1 based on wireless data transmission technology, which is characterized in that described
Wireless data transfer module (9) is LORA wireless data transfer module, built-in chip SX1278, wireless data transfer module
(9) it is also connected with LORA between remote data server (13) and turns GPRS radio network gateway module (17), it is wireless that LORA turns GPRS
Gateway module (17), wherein GPRS module is the wireless Modem of embedded GSM/GPRS core cell, has complete power management
System, the serial data interface of standard.
5. the distribution box monitoring device according to claim 1 based on wireless data transmission technology, which is characterized in that described
Wireless data transfer module (9) is NB-IOT wireless data transfer module, and model WH-NB73, user can easily be integrated into
The mainboard device of oneself gets on.
6. the distribution box monitoring device according to claim 1 based on wireless data transmission technology, which is characterized in that described
A electric energy detection modules (1), B electric energy detection modules (2), that C electric energy detection modules (3) are all made of three-phase multifunctional is thief-proof
Electric metering chip RN8302 chip.
7. the distribution box monitoring device according to claim 1 based on wireless data transmission technology, which is characterized in that described
Switch folding detection module (4), ac leakage detection module (5) are all made of STM32F105 main control chip, multi-channel temperature measurement mould
Block (6) model DS18B20, cigarette sense data acquisition module (7) model MQ-2-135-3-7-9.
8. the distribution box monitoring device according to claim 1 based on wireless data transmission technology, which is characterized in that described
Channel switch detection sensor, channel sensor for detecting electric leakage are all made of RN8302 chip, channel ABC temperature detection sensor
Model DS18B20.
9. described in any item distribution box monitoring devices based on wireless data transmission technology according to claim 1~8, feature
It is, the output end of the digital sampling and processing (8) is also connected with RS485 wired data transfer module (14), and RS485 has
Line data transmission module (14) model SP485EEN.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417035A (en) * | 2020-03-27 | 2020-07-14 | 中国水利水电科学研究院 | Solar autonomous relay communication network detection system |
| CN111427921A (en) * | 2020-03-17 | 2020-07-17 | 广西桂冠电力股份有限公司 | Processing system and processing method for output data of hydroelectric power plant |
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Application publication date: 20191001 |