CN110190672A - A kind of intelligent power detection device based on LoRa communication - Google Patents

A kind of intelligent power detection device based on LoRa communication Download PDF

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Publication number
CN110190672A
CN110190672A CN201910486291.2A CN201910486291A CN110190672A CN 110190672 A CN110190672 A CN 110190672A CN 201910486291 A CN201910486291 A CN 201910486291A CN 110190672 A CN110190672 A CN 110190672A
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CN
China
Prior art keywords
microcontroller
dormitory
lora communication
host
communication module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910486291.2A
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Chinese (zh)
Inventor
李颖
王中月
仇清悦
徐林莹
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Nanjing Zhirui Energy Internet Research Institute Co Ltd
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Nanjing Zhirui Energy Internet Research Institute Co Ltd
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Publication date
Application filed by Nanjing Zhirui Energy Internet Research Institute Co Ltd filed Critical Nanjing Zhirui Energy Internet Research Institute Co Ltd
Priority to CN201910486291.2A priority Critical patent/CN110190672A/en
Publication of CN110190672A publication Critical patent/CN110190672A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor
    • G01R21/133Arrangements for measuring electric power or power factor by using digital technique
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/063Details of electronic electricity meters related to remote communication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/10Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
    • H02J13/0075
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10The network having a local or delimited stationary reach
    • H02J2310/12The local stationary network supplying a household or a building
    • H02J2310/14The load or loads being home appliances

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention relates to a kind of intelligent power detection devices based on LoRa communication, in the device, host slave system and dormitory correspond, and the corresponding specific powerful device of each slave, specific large power-consuming equipment current signal is extracted and passes through LoRa communication module by slave is sent to host.Host extracts the current signal of dormitory, and analysis processing is compared with the data of slave, judges all devices electricity consumption situation in dormitory, realizes intellectual monitoring, once there is dormitory using violated electric appliance, host control disconnects the dormitory and is always spaced apart.Host computer carries out all data to summarize monitoring, and can realize long-range active control.The present invention by each slave coding and it is corresponding with the mating large power-consuming equipment of dormitory, so that the accuracy of analysis of accommodation electricity usage situation improves, it is used to truly accomplish to prevent violated electric appliance, and avoids the case where causing electrical fire because of the use of violated electric appliance generation.In addition, facilitating installation, transformation is also advantages of the present invention.

Description

A kind of intelligent power detection device based on LoRa communication
Technical field
The invention belongs to electricity consumption monitoring fields, are related to a kind of intelligent power detection device based on LoRa communication.
Background technique
LoRa (LongRangeRadio), i.e. remote-wireless electricity communication, are a kind of low-power consumption local area network wireless standards.Its Under same consumption conditions, expand 3-5 times, it can be achieved that low-power consumption and at a distance system than traditional twireless radio-frequency communication distance One.
With the rapid development of urban construction, China's electrical fire is multiple in recent years, causes great casualties and property Loss.According to statistics, 2011 to 2016, China occurred electrical fire 52.4 ten thousand altogether, cause 3261 people are dead, 2063 people by Wound, 9,200,000,000 Yu Yuan of direct economic loss.Wherein, dormitory Electrical Safety accident accounts for no small ratio, this is also each Forbid the reason of using some high-power violated electric appliances in school.But the violated electric appliance of school also rests in manpower inspection at present, This is apparently not an effective scheme.
In the prior art, Chinese patent CN108429348A discloses a kind of wisdom Electrical Safety system, which will remain The sensors such as aftercurrent sensing device, temperature sensing device, fire detector and wireless module combine, and can monitor in real time Fire behavior or abnormal conditions.The problem of system, is that height relies on each sensor, once and sensor fault, then entire control are System can fail.Also, the purpose of whole system is to discover exception at the first time, controls in fire the condition of a disaster in time, not from root It is solved the problems, such as on this.
Chinese patent CN108521172A discloses a kind of wisdom formula safety utilization of electric power hidden danger cloud supervisory systems, which can be real When monitoring electricity unit the parameters such as voltage, electric current, power, but pipe timely and effectively can not be carried out to the violated electric appliance of dormitory Reason.
Summary of the invention
The purpose of the present invention, primarily directed to dormitory use high-power violated electric appliance the phenomenon that, propose that one kind is based on LoRa communication, and the intelligent power detection device of effective power consumption management can be carried out to dormitory high-power electric appliance, it avoids because of violated electricity Device uses and causes the generation of electrical fire, it is ensured that accommodation electricity usage safety.
The technical scheme adopted by the invention is that:
A kind of intelligent power detection device based on LoRa communication, including host computer and several led correspondingly with dormitory Slave system, is equipped with the first ethernet communication module in the host computer, single host slave system include host, warning device and Several slaves;
The host includes that the first microcontroller and the first sampling being connected respectively with first microcontroller are single Member, the first LoRa communication module, action module, the first control power supply unit and the second ethernet communication module;First control 220V voltage is converted to the matching voltage of first microcontroller and the second ethernet communication module by power supply unit processed, It and is the two power supply;First sampling unit connects the power distributing meter of corresponding dormitory, and the action module connects corresponding dormitory Always it is spaced apart;Each second ethernet communication module respectively with the first ethernet communication module wireless telecommunications;
Several slaves include socket, the second microcontroller and are connected respectively with second microcontroller Second sampling unit, the 2nd LoRa communication module and the second control power supply unit, the socket and the second sampling unit phase Even;220V voltage is converted to the matching voltage of second microcontroller by the second control power supply unit, and is powered for it; Each 2nd LoRa communication module respectively with corresponding first LoRa communication module wireless telecommunications, the mating large power-consuming equipment of dormitory One-to-one correspondence is plugged on the socket of multiple slaves, is respectively equipped with coding in each second microcontroller;
The warning device is mounted in corresponding dormitory, including third microcontroller and with the third microcontroller Voice alarm module, the 3rd LoRa communication module and the third control power supply unit being respectively connected with;The third controls power supply list 220V voltage is converted to the matching voltage of the third microcontroller by member, and is powered for it;The 3rd LoRa communication module With corresponding first LoRa communication module wireless telecommunications.
Further, the host further includes the first display module, first display module and first microcontroller Device is connected.
Further, each slave further includes the second display module, second display module and corresponding second micro-control Device processed is connected.
Further, first display module and second display module are OLED display screen.
Further, first sampling unit and second sampling unit include current transformer and ATT7022E High-precision three-phase electric energy the special metering IC, the current transformer and the ATT7022E high-precision three-phase electric energy special measuring Chip is connected, and the collected current signal of current transformer is transmitted to corresponding microcontroller after metering chip is handled Device.
Compared with prior art, the beneficial effects of the present invention are:
Large power-consuming equipment in each dormitory and the intelligent power of remaining electrical equipment are detected and are separated by the present invention, make winner Generator terminal is easier to the intellectual analysis of accommodation electricity usage situation, and then the accuracy to accommodation electricity usage situation analysis can be improved.In addition, Host and slave processors, which separate, is also more in line with the electricity consumption situation of present dormitory, i.e. air-conditioning, the independent leakage of electricity of the particular devices such as water heater, The design of other several common leakages of electricity of socket, to facilitate actual installation, transformation, slave is directly transformed existing socket, Host can directly replace old-fashioned mechanical electricity meter.In addition, the present invention can also be encoded and the mating high-power electricity consumption of dormitory by each slave The corresponding relationship of equipment realizes control to each accommodation electricity usage load, avoid student air-conditioning, water heater socket on using disobeying Prohibit electric appliance.Thus, compared with the prior art, the present invention can truly accomplish that preventing violated electric appliance uses, and avoid because violated The case where electric appliance uses and causes electrical fire generation.
Detailed description of the invention
Fig. 1 is the structural block diagram of the intelligent power detection device of the invention based on LoRa communication;
Fig. 2 is to control the structural block diagram of power supply unit in the present invention.
Specific embodiment
The intelligent power detection device of the invention based on LoRa communication is made with reference to the accompanying drawings and detailed description It is further to be described in detail.Intelligent power detection device proposed by the present invention based on LoRa communication mainly passes through detection place The electricity consumption situation of specific large power-consuming equipment on interpolation block is given up, and the electricity of dormitory power distributing meter is combined to be compared analysis, into And whether infer in dormitory using violated high-power electric appliance, once discovery just takes warning and cuts off the accommodation electricity usage measure, from And guarantee accommodation electricity usage safety.The intelligent power detection device is illustrated below.
Intelligent power detection device based on LoRa communication as shown in Figure 1, including host computer and several and dormitory are one by one Corresponding host slave system, the first ethernet communication module is equipped in host computer, and single host slave system includes host, alarm dress It sets and several slaves.
Host includes the first microcontroller and the first sampling unit being connected respectively with the first microcontroller, first LoRa communication module, action module, the first control power supply unit and the second ethernet communication module.First control power supply unit will 220V voltage is converted to the matching voltage of the first microcontroller and the second ethernet communication module, and is respectively the two power supply.Tool Body, referring to fig. 2, the first control power supply unit mainly transforming circuit, rectification circuit, voltage regulator circuit and filtering by being sequentially connected Circuit is constituted, and transforming circuit accesses 220V alternating current, and filter circuit exports 5V direct current, for powering for the first microcontroller. It is further connected with a 3.3V Voltage stabilizing module after 5V power output end, 5V direct current is converted into 3.3V direct current, and be the second ether Network Communication module for power supply.First sampling unit connects the power distributing meter of corresponding dormitory, and action module connects always being spaced apart for corresponding dormitory. Each second ethernet communication module respectively with the first ethernet communication module wireless telecommunications.
Several slaves include socket, the second microcontroller and the second sampling being connected respectively with the second microcontroller Unit, the 2nd LoRa communication module and the second control power supply unit, socket are connected with the second sampling unit.Second control power supply list Member is identical as the first control power supply unit, after 220V alternating current is converted to 5V direct current, powers for the second microcontroller.Each Two LoRa communication modules are respectively with corresponding first LoRa communication module wireless telecommunications, and the mating large power-consuming equipment of dormitory is one by one Correspondence is plugged on multiple slave sockets, is respectively equipped with coding in each second microcontroller.The mating large power-consuming equipment of dormitory For particular devices such as electric heater, air-conditioning, refrigerators.
Warning device is mounted in corresponding dormitory, including third microcontroller and is respectively connected with third microcontroller Voice alarm module, the 3rd LoRa communication module and third control power supply unit.Third controls power supply unit and the first control Power supply unit is identical, 220V voltage is converted to be powered after 5V direct current for third microcontroller.3rd LoRa communication module With corresponding first LoRa communication module wireless telecommunications.
In the present embodiment, the first display module and the second display module are OLED display screen.First sampling unit and Two sampling units include current transformer and ATT7022E high-precision three-phase electric energy the special metering IC, current transformer and ATT7022E high-precision three-phase electric energy the special metering IC is connected, the collected current signal of current transformer, through metering chip After processing, it is transmitted to corresponding microcontroller.
The principle of intelligent power detection device based on LoRa communication of the invention are as follows:
Second sampling unit acquires the current signal of corresponding large power-consuming equipment, and collected current signal passes through second Corresponding second microcontroller is sent to after ATT7022E high-precision three-phase electric energy the special metering IC processing in sampling unit Analysis processing extracts the electrical energy parameters such as the electric current, power, power factor of required large power-consuming equipment, the second display mould Block shows each electrical energy parameter extracted.The electrical energy parameter of corresponding slave is sent to corresponding host by the 2nd LoRa communication module, It is analyzed and processed convenient for electrical energy parameter of the host to other electrical equipments in dormitory.
First sampling unit is identical as the principle of the second sampling unit, still, acquisition be each dormitory entirety electricity consumption feelings The data of condition, acquisition are transmitted to the first microcontroller after the processing of the first sampling unit.First LoRa communication module, which receives, to be corresponded to The electrical energy parameter that sends over of each slave and be transmitted to the first microcontroller, then, the first microcontroller by slave data with The electrical energy parameter that host samples compares and analyzes, and host side deducts after the electricity consumption situation of generator terminal large power-consuming equipment, The electricity consumption situation that can obtain remaining electrical equipment is analyzed in the electrical energy parameter to these equipment, is obtained wherein resistive negative The electrical energy parameter of load, most of violated electric appliances, such as hair dryer, electric kettle etc. are resistive load equipment, when Host Detection arrives It after resistive load power is more than alarm value (such as 1000w), is just sounded an alarm by voice alarm module, student is reminded not use Violated electric appliance is still being used by 10s, and the first microcontroller control action module disconnects corresponding dormitory and is always spaced apart, and cuts off dormitory Electricity consumption achievees the purpose that accommodation electricity usage intelligent management.First display module shows power, electric degree, the remaining capacity of accommodation electricity usage Equal electrical energy parameters.
Second ethernet communication module is upper then by host energy monitor and dormitory electrical energy parameter real-time Transmission to host computer Machine summarizes the electricity consumption situation and energy monitor data of each dormitory, and realizes the long-range active control of accommodation electricity usage.
It should be noted that slave can be integrated into an intelligent socket and be embedded on wall, each dormitory has multiple be somebody's turn to do Intelligent socket is used to power to specific large power-consuming equipment, such as: the equipment such as electric heater, air-conditioning, refrigerator.Due to each The second microcontroller in intelligent socket has corresponding coding, thus, intelligent socket can be accurately specific big with each dormitory On power electrical equipment corresponds.When intelligent socket detects that load electricity consumption situation and particular device are different on socket When, its electrical energy parameter can be detected, when power is more than alarm value (such as 1000w), host control alarm and it is subsequent cut off the power it is dynamic Make.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention Range.

Claims (5)

1. a kind of intelligent power detection device based on LoRa communication, which is characterized in that including host computer and several and dormitory one One corresponding host slave system, is equipped with the first ethernet communication module in the host computer, single host slave system include host, Warning device and several slaves;
The host includes the first microcontroller and the first sampling unit being connected respectively with first microcontroller, One LoRa communication module, action module, the first control power supply unit and the second ethernet communication module;The first control power supply 220V voltage is converted to the matching voltage of first microcontroller and the second ethernet communication module by unit, and is two Person's power supply;First sampling unit connects the power distributing meter of corresponding dormitory, and the action module connects always being spaced apart for corresponding dormitory; Each second ethernet communication module respectively with the first ethernet communication module wireless telecommunications;
Several slaves include socket, the second microcontroller and be connected respectively with second microcontroller second Sampling unit, the 2nd LoRa communication module and the second control power supply unit, the socket are connected with second sampling unit;Institute It states the second control power supply unit and 220V voltage is converted to the matching voltage of second microcontroller, and power for it;Each Two LoRa communication modules are respectively with corresponding first LoRa communication module wireless telecommunications, and the mating large power-consuming equipment of dormitory is one by one Correspondence is plugged on the socket of multiple slaves, is respectively equipped with coding in each second microcontroller;
The warning device is mounted in corresponding dormitory, including third microcontroller and with the third microcontroller distinguish Connected voice alarm module, the 3rd LoRa communication module and third controls power supply unit;The third control power supply unit will 220V voltage is converted to the matching voltage of the third microcontroller, and powers for it;The 3rd LoRa communication module with it is right The first LoRa communication module wireless telecommunications answered.
2. the intelligent power detection device according to claim 1 based on LoRa communication, which is characterized in that the host is also Including the first display module, first display module is connected with first microcontroller.
3. the intelligent power detection device according to claim 2 based on LoRa communication, which is characterized in that each slave is also Including the second display module, second display module is connected with corresponding second microcontroller.
4. the intelligent power detection device according to claim 3 based on LoRa communication, which is characterized in that described first is aobvious Show that module and second display module are OLED display screen.
5. the intelligent power detection device according to claim 1 based on LoRa communication, which is characterized in that described first adopts Sample unit and second sampling unit include current transformer and ATT7022E high-precision three-phase electric energy the special metering IC, The current transformer is connected with the ATT7022E high-precision three-phase electric energy the special metering IC, the current transformer acquisition The current signal arrived is transmitted to corresponding microcontroller after metering chip is handled.
CN201910486291.2A 2019-06-05 2019-06-05 A kind of intelligent power detection device based on LoRa communication Pending CN110190672A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111060746A (en) * 2019-12-16 2020-04-24 佛山科学技术学院 Electric energy metering data acquisition system
CN111856975A (en) * 2020-07-22 2020-10-30 深圳市聚荣鑫科技有限公司 Intelligent campus system beneficial to campus management
CN113485954A (en) * 2021-06-29 2021-10-08 中国科学院近代物理研究所 CAN control unit and ion accelerator power supply controller
WO2022227083A1 (en) * 2021-04-30 2022-11-03 华为数字能源技术有限公司 Power converter box and photovoltaic system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202094595U (en) * 2011-05-23 2011-12-28 郑州单点科技软件有限公司 School dormitory electrical safety control system
CN203377678U (en) * 2013-05-23 2014-01-01 李吉玉 Intelligent controller for safe use of electricity in dormitory
CN207719812U (en) * 2017-12-22 2018-08-10 中州电气有限公司 Modern dormitory building safety utilization of electric power manages system
CN109347210A (en) * 2018-12-03 2019-02-15 安徽全盟电力科技股份有限公司 Accommodation electricity usage wisdom control system
CN109687587A (en) * 2019-01-02 2019-04-26 山东建筑大学 A kind of electric safety in dormitory intelligent management system Internet-based

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202094595U (en) * 2011-05-23 2011-12-28 郑州单点科技软件有限公司 School dormitory electrical safety control system
CN203377678U (en) * 2013-05-23 2014-01-01 李吉玉 Intelligent controller for safe use of electricity in dormitory
CN207719812U (en) * 2017-12-22 2018-08-10 中州电气有限公司 Modern dormitory building safety utilization of electric power manages system
CN109347210A (en) * 2018-12-03 2019-02-15 安徽全盟电力科技股份有限公司 Accommodation electricity usage wisdom control system
CN109687587A (en) * 2019-01-02 2019-04-26 山东建筑大学 A kind of electric safety in dormitory intelligent management system Internet-based

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111060746A (en) * 2019-12-16 2020-04-24 佛山科学技术学院 Electric energy metering data acquisition system
CN111856975A (en) * 2020-07-22 2020-10-30 深圳市聚荣鑫科技有限公司 Intelligent campus system beneficial to campus management
WO2022227083A1 (en) * 2021-04-30 2022-11-03 华为数字能源技术有限公司 Power converter box and photovoltaic system
CN113485954A (en) * 2021-06-29 2021-10-08 中国科学院近代物理研究所 CAN control unit and ion accelerator power supply controller

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Application publication date: 20190830