CN110417124A - One kind is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches - Google Patents
One kind is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches Download PDFInfo
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- CN110417124A CN110417124A CN201910697925.9A CN201910697925A CN110417124A CN 110417124 A CN110417124 A CN 110417124A CN 201910697925 A CN201910697925 A CN 201910697925A CN 110417124 A CN110417124 A CN 110417124A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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 present invention relates to one kind based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches, including Anti-surging module, power module, total road part, passed part, communication module, cell phone application module, power module is connected with Anti-surging module, total road part, passed part respectively, to provide power supply；Total road part and passed part control wireless communication by the register inside SPI interface protocol integrated test system communication module；Communication module is connect by antenna with cell phone application module.The long-range control intelligent electrical cabinet is particularly suitable for equipment independently, at a distance, remote data transmission.It can allow simultaneously and remotely control family or enterprise electronic box, and the state of its electronic box is grasped in real time, can find the failure of electronic box in time, and it is operated in time by mobile phone terminal, working efficiency is considerably increased, the safety of electricity consumption is improved, reduces cost of labor.
Description
Technical field
The present invention relates to automation instrument technology field, it is related to wirelessly communicating long-range control electronic box system, it is especially a kind of
Based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches.
Background technique
With the fast development in city and the Large-scale Migration of population, the scale of city high residential building is increasing, therewith
And come be exactly electronic box usage quantity it is more and more, how to check in time electricity consumption situation and control electric power on-off have become crowd
More families and enterprise problem in the urgent need to address.
Traditional electronic box is mainly that ammeter is equipped in electronic box for recording electricity consumption using Purely mechanical design, and electronic box has
Fuse, short circuit or be abnormal blowout to reach defencive function.This design needs manual metering, is not only not easy to
It checks electricity consumption situation, but also is abnormal will replace fuse every time.
There is the patent application much to solve the above problems in the prior art, as Chinese patent notification number is
CN201020662511.7 discloses a kind of intelligence electricity, including power module, input module (touch screen), program embedded Control
Module, communication interface and several execution units.Wherein input module, power module, execution unit, communication interface are equal and control mould
Block connection.Input module leads to program embedded type control module to control several execution parts, and communication module is used for linker control
Molding block and other external communication mechanisms.Can comparison system, intensively realize operation control, can simply and effectively carry out various
Operation.Chinese patent notification number is that CN20161191174.6 discloses a kind of wired home electronic box for having human-computer interaction, family
Energy source terminal includes total short-circuiting device, home energy source terminal.Circuit device and several automatic switch, wherein main breaker and family's energy
Source terminal connection, home energy source terminal are connected with breaker and several automatic switch, several automatic switch are respectively at intelligence
It can equipment connection.It realizes family's electronic box to interact with user, by the consumption informations such as Household water electrical heat, intelligent electrical cabinet points
Branch circuit behaviour in service information and home intelligent power equipment use state information are pushed to user, and user can also pass through intelligence
It can electronic box control home smart device.
But the above prior art communication distance, power consumption, in terms of there is also deficiency, it is Zong Lu of the present invention, more
Branch, wireless communication are independent mutually, arbitrarily a part error rest part can still work, and communication distance is remote, the skills such as reliability height
Art point is innovated, and is essentially consisted in and be ensure that Zong Lu, more branches, wireless communication module are not only independent mutually but also can communicate with each other,
Realize that human-computer interaction remotely controls electronic box, it is long-range to monitor electricity consumption situation.
Summary of the invention
The purpose of the present invention is being directed to be based on wireless communication Zong Lu and more branches independent long-range control electronic box mutually, for
Short in face of communication distance, reliability, the problems such as safety is insufficient have invented a kind of combining wireless communication, and total road, branch are mutually independent
Mode, increase human-computer interaction communication distance, improve the intelligent electrical cabinet of safety.
To achieve the goals above, The technical solution adopted by the invention is as follows:
One kind is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches, including Anti-surging module, power supply mould
Block, total road part, passed part, communication module, cell phone application module, power module respectively with Anti-surging module, total road part,
Passed part is connected, to provide power supply；Total road part and passed part pass through posting inside SPI interface protocol integrated test system communication module
Storage wirelessly communicates to control；Communication module is connect by antenna with cell phone application module.
Further, the communication module model ESP8266 communication module.
Further, power on the road Hou Zong part, the PIC16F886 control module in passed part starts to execute program, complete
At itself initialization after, to peripheral hardware GPIO(universal input output pin), internal comparator, ADC digital analog converter, serial ports, SPI
Interface, timer internal) it is initialized, then BL6523B metering chip, ESP8266 communication module are matched by SPI interface
It sets, setting includes communication frequency, transmission data format parameter, and last ESP8266 communication module passes through antenna and cell phone application module
It is connected.
Further, PIC16F886 control module carries out input pin detection, detects electric leakage signal, the inside of hardware respectively
The status pin of comparator, short-circuit signal, the interrupt signal of BL6523B metering chip and electronic box function button (0FF/ON/
TEST), when detecting a certain signal, just jump in corresponding program and execute, handled, and record the type of event, store
Into register, data indicator light carries out different displays to the generation of different event respectively.
Further, the data that will be stored are metered into including the type of event, the state of current electronic box, BL6523B occurs
Electricity consumption, relay divide-shut brake, be written to by serial ports and SPI interface in the register of ESP8266 communication module,
ESP8266 communication module sends the data value in register in cell phone application module.
Further, transmission mode is master-slave mode, and the format of communication protocol byte frame is 1 start bit, 8 data bit, 1
Position data marker, 1 stop position；Data stream format is 1 byte address, 1 byte function code, N byte data, 1 school byte LRC
It tests.
Further, electronic box has learning functionality, and intelligent switch provides a kind of learning functionality, specifically: remember it and is controlled
Use electric line or equipment normal workload, if actual load is more than 1.2 times of learning value in operation, intelligent switch
It issues warning signal, when actual load is more than 1.5 times of learning and memory values, intelligent switch postpones 5-10 seconds separating brakes, while shape
The flashing of state indicator light cycle, every time under flashing 5, after waiting about 20 seconds, switch automatically attempts to close a floodgate, if overcurrent condition does not disappear
It removes, it is 3 times that switch, which attempts closing frequencies, if during which Failure elimination, normal power supply automatically terminate police instruction.
Further, there are four types of operating modes for total road part, passed part, are sending mode, reception pattern, failure guarantor respectively
Shield mode and detection pattern.
The invention has the benefit that the long-range control intelligent electrical cabinet is particularly suitable for equipment independently, at a distance, teledata
Transmission.It can allow simultaneously and remotely control family or enterprise electronic box, and the state of its electronic box is grasped in real time, it can be timely
It was found that the failure of electronic box, and operated in time by mobile phone terminal, working efficiency is considerably increased, the safety of electricity consumption is improved, is dropped
Low cost of labor.
Detailed description of the invention
Fig. 1 is systematic square frame schematic diagram of the invention；
Fig. 2 is control process schematic diagram of the invention；
Fig. 3 is the communication scheme of electronic box of the present invention Yu cell phone application module；
Fig. 4 is communication protocol flow figure of the invention.
Specific embodiment
As shown in Figures 1 to 4, a kind of based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches, packet
Include power module 1, Anti-surging module 2, total road part 3, passed part 4, communication module 5, cell phone application module 6, power module 1
It is connected with Anti-surging module 2；Anti-surging module 2 is connected with total road part 3, passed part 4 to provide power supply；3 He of total road part
Passed part 4 communicates mould by SPI interface ((Serial Peripheral Interface (SPI) Serial Peripheral Interface)) protocol integrated test system
The register of 5 the inside of block wirelessly communicates to control；Communication module 5 is connect by antenna with cell phone application module 6.Wherein, total road portion
Dividing 3, passed part 4, there are four types of operating modes, are sending mode, reception pattern, fault protection scheme and detection pattern respectively.
In the present invention, 5 model ESP8266 communication module of communication module.
(1) total road part 3 or branching part 4 divide in PIC16F886 control module pass through serial ports and SPI interface pair
ESP8266 communication module is written and read control, and the register in ESP8266 communication module is arranged to control the receipts of wireless data
Hair.
(2) when both sides communicate, using Handshake Protocol, in order to realize the reliability of intercommunication, protocol contents
It is respectively set to initial code, electronic box address code, command code, numeric data code, check code, end code.
Handshake Protocol is to ensure that the stability and safety of system.Particular content is as follows: instructing when cell phone application end is sent
When, it detects the table address of Frame Protocol automatically by table end, when detecting as itself table address, carries out data frame reply.
(3) fault protection scheme is that first have electronic box to carry out protection operation once being abnormal, and is controlled by control relay
The divide-shut brake of switch is made, and shows current exception with indicator light alarm, is then again stored the exception record of generation, by communication mould
Block is sent to cell phone application end, checks for user, and user is reminded to handle in time.
Specifically:
Power on the road Hou Zong part, the PIC16F886 control module in passed part 4 starts to execute program, initial completing itself
After change, to peripheral hardware GPIO(universal input output pin), internal comparator, ADC digital analog converter, serial ports, SPI interface, inside
Timer) it is initialized, then BL6523B metering chip, ESP8266 communication module are configured by SPI interface, setting includes
Communication frequency, transmission data format parameter, last ESP8266 communication module are connected by antenna with cell phone application module.
Further, PIC16F886 control module carries out input pin detection, detects electric leakage signal, the inside of hardware respectively
The status pin of comparator, short-circuit signal, the interrupt signal of BL6523B metering chip and electronic box function button (0FF/ON/
TEST), when detecting a certain signal, just jump in corresponding program and execute, handled, and record the type of event, store
Into register, data indicator light carries out different displays to the generation of different event respectively.
Further, the data that will be stored are metered into including the type of event, the state of current electronic box, BL6523B occurs
Electricity consumption, relay divide-shut brake, be written to by serial ports and SPI interface in the register of ESP8266 communication module,
ESP8266 communication module sends the data value in register in cell phone application module.
Further, transmission mode is master-slave mode, and the format of communication protocol byte frame is 1 start bit, 8 data bit, 1
Position data marker, 1 stop position；Data stream format is 1 byte address, 1 byte function code, N byte data, 1 school byte LRC
It tests.
Further, electronic box has learning functionality, and intelligent switch provides a kind of learning functionality, specifically: remember it and is controlled
Use electric line or equipment normal workload, if actual load is more than 1.2 times of learning value in operation, intelligent switch
It issues warning signal, when actual load is more than 1.5 times of learning and memory values, intelligent switch postpones 5-10 seconds separating brakes, while shape
The flashing of state indicator light cycle, every time under flashing 5, after waiting about 20 seconds, switch automatically attempts to close a floodgate, if overcurrent condition does not disappear
It removes, it is 3 times that switch, which attempts closing frequencies, if during which Failure elimination, normal power supply automatically terminate police instruction.
Wherein LED lamp flashing times and the failure table of comparisons are as follows:
| Yellow led state | Indicate content |
| Flash secondary (circulation) | Anti-surging Module Fail, needs to change |
| Flashing (recycles) three times | Line electrical leakage stream > 30mA |
| Flash four times (circulation) | Switch internal line temperature > 90 DEG C |
| Flash five times (circulation) | Line current is excessive, protection |
| Flash six times (circulation) | There is short circuit, protection in route |
| Flash seven times (circulation) | Load is more than setting value |
| Flash eight times (circulation) | Line voltage is excessively high, protection |
| Flash nine times (circulation) | Route is struck sparks, protection |
| Fast flashing | The study stage |
| Slow flash is bright | Line current is close to or up to load current value or reaches the current value of study |
Cell phone application end can check the current power amount of electronic box operating temperature, Zong Lu, each branch, voltage value, current value, maximum
Power, and the fault message (over-voltage, overcurrent, excess temperature, overpower, surge) to break down.
The long-range control intelligent electrical cabinet is particularly suitable for equipment independently, at a distance, remote data transmission.It can allow family simultaneously
Front yard or enterprise remotely control electronic box, and grasp in real time to the state of its electronic box, can find in time the failure of electronic box, and lead to
It crosses mobile phone terminal to operate in time, considerably increases working efficiency, improve the safety of electricity consumption, reduce cost of labor.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (8)
1. one kind is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches, which is characterized in that including wave resistance
Gush module, power module, total road part, passed part, communication module, cell phone application module, power module respectively with Anti-surging mould
Block, total road part, passed part are connected, to provide power supply；Total road part and passed part are communicated by SPI interface protocol integrated test system
Register inside module wirelessly communicates to control；Communication module is connect by antenna with cell phone application module.
2. one kind according to claim 1 is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches,
It is characterized in that, the communication module model ESP8266 communication module.
3. one kind according to claim 2 is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches,
It is characterized in that, power on the road Hou Zong part, the PIC16F886 control module in passed part starts to execute program, complete from
After body initialization, to peripheral hardware GPIO(universal input output pin), internal comparator, ADC digital analog converter, serial ports, SPI connect
Mouth, timer internal) it is initialized, then BL6523B metering chip, ESP8266 communication module are configured by SPI interface,
Setting includes communication frequency, transmission data format parameter, and last ESP8266 communication module passes through antenna and cell phone application module phase
Even.
4. one kind according to claim 3 is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches,
It is characterized in that, PIC16F886 control module carries out input pin detection, the electric leakage signal of hardware is detected respectively, inside is compared
The status pin of device, short-circuit signal, the interrupt signal of BL6523B metering chip and electronic box function button (0FF/ON/
TEST), when detecting a certain signal, just jump in corresponding program and execute, handled, and record the type of event, store
Into register, data indicator light carries out different displays to the generation of different event respectively.
5. one kind according to claim 4 is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches,
It is characterized in that, the data that will be stored, the use being metered into including the type of event, the state of current electronic box, BL6523B occurs
The divide-shut brake of electricity, relay is written in the register of ESP8266 communication module, ESP8266 by serial ports and SPI interface
Communication module sends the data value in register in cell phone application module.
6. one kind according to claim 4 is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches,
It is characterized in that, transmission mode is master-slave mode, the format of communication protocol byte frame is 1 start bit, 8 data bit, 1 digit
According to marker, 1 stop position；Data stream format is 1 byte address, 1 byte function code, N byte data, 1 byte LRC verification.
7. one kind according to claim 1 is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches,
It is characterized in that, electronic box has learning functionality, intelligent switch provides a kind of learning functionality, specifically: remember its use controlled
Electric line or equipment normal workload, if actual load is more than 1.2 times of learning value in operation, intelligent switch is issued
Pre-warning signal, when actual load is more than 1.5 times of learning and memory values, intelligent switch postpones 5-10 seconds separating brakes, while state refers to
Show lamp circulation flashing, every time under flashing 5, after waiting about 20 seconds, switch automatically attempts to close a floodgate, if overcurrent condition is not eliminated,
It is 3 times that switch, which attempts closing frequencies, if during which Failure elimination, normal power supply automatically terminate police instruction.
8. one kind according to claim 1 is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches,
It is characterized in that, operating mode there are four types of total road parts, passed part, is sending mode, reception pattern, error protection mould respectively
Formula and detection pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697925.9A CN110417124A (en) | 2019-07-31 | 2019-07-31 | One kind is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697925.9A CN110417124A (en) | 2019-07-31 | 2019-07-31 | One kind is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches |
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| Publication Number | Publication Date |
|---|---|
| CN110417124A true CN110417124A (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910697925.9A Pending CN110417124A (en) | 2019-07-31 | 2019-07-31 | One kind is based on wireless communication Zong Lu and the independent long-range control intelligent electrical cabinet of more branches |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327115A (en) * | 2020-03-17 | 2020-06-23 | 中交三公局第一工程有限公司 | Anti-electric shock intelligent electric control cabinet and use method thereof |
| CN116828412A (en) * | 2023-07-31 | 2023-09-29 | 沧州荣盛达电器有限公司 | New energy automobile fills and trades electric box and becomes rack wireless communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205791810U (en) * | 2016-07-05 | 2016-12-07 | 浙江大学台州研究院 | The intelligent breaker of data interaction it is monitored by WIFI |
| CN106707862A (en) * | 2016-12-21 | 2017-05-24 | 深圳市北电仪表有限公司 | Intelligent home electric box with man-machine interaction |
| CN107918285A (en) * | 2017-12-07 | 2018-04-17 | 天津科技大学 | A kind of Intelligent control system for household appliances |
-
2019
- 2019-07-31 CN CN201910697925.9A patent/CN110417124A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205791810U (en) * | 2016-07-05 | 2016-12-07 | 浙江大学台州研究院 | The intelligent breaker of data interaction it is monitored by WIFI |
| CN106707862A (en) * | 2016-12-21 | 2017-05-24 | 深圳市北电仪表有限公司 | Intelligent home electric box with man-machine interaction |
| CN107918285A (en) * | 2017-12-07 | 2018-04-17 | 天津科技大学 | A kind of Intelligent control system for household appliances |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327115A (en) * | 2020-03-17 | 2020-06-23 | 中交三公局第一工程有限公司 | Anti-electric shock intelligent electric control cabinet and use method thereof |
| CN116828412A (en) * | 2023-07-31 | 2023-09-29 | 沧州荣盛达电器有限公司 | New energy automobile fills and trades electric box and becomes rack wireless communication system |
| CN116828412B (en) * | 2023-07-31 | 2024-02-02 | 沧州荣盛达电器有限公司 | New energy automobile fills and trades electric box and becomes rack wireless communication system |
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