CN109066968A - Intelligent low-voltage circuit breaker system and its application method - Google Patents
Intelligent low-voltage circuit breaker system and its application method Download PDFInfo
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- CN109066968A CN109066968A CN201810740502.6A CN201810740502A CN109066968A CN 109066968 A CN109066968 A CN 109066968A CN 201810740502 A CN201810740502 A CN 201810740502A CN 109066968 A CN109066968 A CN 109066968A
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- H02J13/0062—
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention proposes a kind of intelligent low-voltage circuit breaker system and its application methods, including multiple intelligent breakers, cloud server and handheld terminal；Each intelligent breaker is carried out wireless communication with cloud server；The parameters of electric power for monitoring route and switch state are sent to cloud server, the energy information that user acquires by that can check each breaker that cloud server issues after handheld terminal progress authentication respectively by monitoring modular and switching value monitoring modular；Two dimensional code identity recognition function is increased, is scanned with cell phone application, so that it may realize registration beyond the clouds, become legitimate user, data exchange and control can be realized by cloud；Its wireless communication module transfers data to cloud by RS485 or ZIGBEE or WIFI or GPRS (2G or 4G) interface, realizes data sharing；Measurement function is added on each intelligent breaker, realizes the monitoring function of voltage, electric current, power, power factor and power quality.
Description
Technical field
The present invention relates to low-voltage circuit breaker technical field, in particular to a kind of intelligent low-voltage circuit breaker system and its application
Method.
Background technique
Since environment in recent years development and change are huge, energy-saving and emission-reduction become the emphasis of world community concern, research and construction
Smart grid improves the safe coefficient of efficiency of energy utilization and power grid, becomes it in the weight in China's national basis construction task
Weight.Breaker mainly heavy overload, disconnected phase, short circuit, electric leakage, it is under-voltage when, can automatically cut off the power, realize pair
Entire distribution network and electrical equipment are protected；Existing breaker generally uses electrothermal, electromagnetic release, benefit
Deformation or electromagnetic force Crush trigger system acting are generated with fever, realizes the on-off of circuit.It is different types of de- by being equipped with
Device is detained, breaker can be made to realize different defencive functions, the actuation time of this breaker is long, adjusts breaker
Action parameter is relatively difficult, and in addition this breaker does not have the function of communication and metering, is not able to satisfy the requirement of smart grid.
Summary of the invention
The purpose of the present invention aims to solve at least one of the technological deficiency.
For this purpose, an object of the present invention is to provide a kind of intelligent low-voltage circuit breaker system and its application method, it is real
Existing voltage, electric current, power, power factor and power quality monitoring function, realized remotely by two dimensional code identification
Breaker control transfers data to cloud by RS485 or ZIGBEE or WIFI or GPRS (2G or 4G) interface, realizes
Data sharing.
To achieve the goals above, the embodiment of one aspect of the present invention provides a kind of intelligent low-voltage circuit breaker system, packet
Include multiple intelligent breakers, cloud server and handheld terminal；Each intelligent breaker and cloud server carry out wireless
Communication；Each intelligent breaker include analog quantity monitoring modular, switching value module, microprocessor, executing agency,
And intelligent communication module；The analog quantity monitoring modular is used to monitor the parameters of electric power of route, and parameters of electric power is sent to micro-
Processor；The switching value monitoring modular is used to detect the switch state of short-circuiting device；And the switch state that will test is sent to
Microprocessor；The microprocessor is sent to cloud by the parameters of electric power received and switch state, by intelligent communication module
Server, and the control instruction for receiving cloud server sends operational order to the executing agency of breaker；The handheld terminal
For receiving user instructions, authentication information is sent to cloud server, carries out identity identifying and authenticating；And according to the identity of certification
Information issues control instruction to cloud server；The address information of each intelligent breaker, root are prestored in the cloud server
Judge to authenticate user right according to the authentication information of the handheld terminal received, it is described simultaneously according to user's request instruction general
The parameters of electric power and switch state that the intelligent breaker received is sent；Power quality analysis is carried out, and will analysis result hair
It send to handheld terminal and is shown, while user's control being instructed, the microprocessor of intelligent breaker is sent to, by micro process
Device controls executing agency, and progress breaker is opened a sluice gate and feed motion.
Preferably, the parameters of electric power includes voltage value, current value, frequency values；When carrying out power quality analysis, use
Frequency domain analysis performs a scan parameters of electric power and harmonic flow calculation.
Preferably, the intelligent communication module of each intelligent breaker carries out PROFIBUS networking using RS-485, often
A intelligent communication module is the slave station of PROFIBUS, the main website that the cloud server communication is PROFIBUS.
Further, when each intelligent communication module is communicated with cloud server, parameters of electric power to be sent
It is encoded with switch state using non-return to zero code, wherein each coding includes 8 information bits and start bit, stop bit, surprise
Even parity bit.
Preferably, analog quantity monitoring modular includes Rogowski coil and divider resistance；The input of Rogowski coil and divider resistance
End is connected with the input terminal of distribution box respectively, and Rogowski coil output end connects A/D converter circuit；A/D converter circuit and Wei Chu
Reason device is connected；The switching value module includes detection chip, current converter circuit, wherein the model of detection chip
CS5460, the input pin of the detection chip are connected by connection current converter circuit with the output end of current transformer；
The electric current conversion circuit includes the first transfer resistance and the second transfer resistance；First transfer resistance and the second transfer resistance
It is in parallel with current transformer respectively.
The present invention also provides a kind of intelligent low-voltage circuit breaker system application methods, comprising the following steps: step S1, it will be more
A intelligent breaker and cloud server carry out networking according to Star Network, the power grid that each intelligent breaker will test
Parameters of electric power and switch state using intelligent communication module are sent to cloud server after being handled by microprocessor；Step
S2 is received user instructions using handheld terminal, is sent authentication information to cloud server, is carried out identity identifying and authenticating；And according to
The identity information of certification issues control instruction to cloud server；And the control instruction of cloud server is received to breaker
Executing agency sends operational order；Step S3 prestores the address information of each intelligent breaker in cloud server, according to connecing
The authentication information of the handheld terminal received judges to authenticate user right, will be described and will connect according to user's request instruction
The parameters of electric power and switch state that the intelligent breaker received is sent；Power quality analysis is carried out, and analysis result is sent to
Handheld terminal is shown, while user's control being instructed, and is sent to the microprocessor of intelligent breaker, by microprocessor control
Executing agency processed, progress breaker is opened a sluice gate and feed motion.
Preferably, in step sl, parameters of electric power includes voltage value, current value, frequency values；Carrying out power quality analysis
When, using frequency domain analysis, parameters of electric power is performed a scan and harmonic flow calculation.
Preferably, in step sl, the intelligent communication module of each intelligent breaker is carried out using RS-485
PROFIBUS networking, each intelligent communication module are the slave station of PROFIBUS, and the cloud server communication is PROFIBUS's
Main website.
Preferably, when each intelligent communication module is communicated with cloud server, parameters of electric power to be sent
It is encoded with switch state using non-return to zero code, wherein each coding includes 8 information bits and start bit, stop bit, surprise
Even parity bit.
A kind of intelligent low-voltage circuit breaker system and its application method provided according to embodiments of the present invention, compared to existing
Breaker, increase two dimensional code identity recognition function, scanned with cell phone application, so that it may realize registration beyond the clouds, become conjunction
Method user, data exchange and control can be realized by cloud；Its wireless communication module by RS485 or ZIGBEE or
WIFI or GPRS (2G or 4G) interface transfer data to cloud, realize data sharing；It is added on each intelligent breaker
Function is measured, the monitoring function of voltage, electric current, power, power factor and power quality is realized.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of connection block diagram of intelligent low-voltage circuit breaker system provided in an embodiment of the present invention；
Fig. 2 is a kind of structural frames of the intelligent breaker of intelligent low-voltage circuit breaker system provided in an embodiment of the present invention
Figure；
The circuit diagram of switching value module in the intelligent breaker that Fig. 3 provides for embodiment illustrated in fig. 2；
Fig. 4 is a kind of intelligent low-voltage circuit breaker system application method flow chart provided in an embodiment of the present invention；
In figure, 101, analog quantity monitoring modular；102, switching value module；103, microprocessor；104, machine is executed
Structure；105, intelligent communication module；
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As Figure 1-Figure 2, a kind of intelligent low-voltage circuit breaker system of the embodiment of the present invention, including multiple intelligence open circuits
Device 1, cloud server 2 and handheld terminal 3；Each intelligent breaker is carried out wireless communication with cloud server；Each intelligence is disconnected
Road device 1 includes that analog quantity monitoring modular 101, switching value module 102, microprocessor 103, executing agency 104 and intelligence are logical
Believe module 105；
Wherein, analog quantity monitoring modular is used to monitor the parameters of electric power of route, and parameters of electric power is sent to microprocessor；
Switching value monitoring modular is used to detect the switch state of short-circuiting device；And the switch state that will test is sent to microprocessor；It is micro-
Processor is sent to cloud server by the parameters of electric power received and switch state, by intelligent communication module, and receives cloud
The control instruction of server is held to send operational order to the executing agency of breaker；Analog quantity monitoring modular includes Rogowski coil
And divider resistance；The input terminal of Rogowski coil and divider resistance is connected with the input terminal of distribution box respectively, and Rogowski coil is defeated
Outlet connects A/D converter circuit；A/D converter circuit is connected with the microprocessor；
As shown in figure 3, switching value module includes detection chip, current converter circuit, the wherein model of detection chip
For CS5460, the input pin of detection chip is connected by connection current converter circuit with the output end of current transformer；
Electric current conversion circuit includes the first transfer resistance and the second transfer resistance；First transfer resistance and the second transfer resistance respectively with
Current transformer is in parallel.
Handheld terminal sends authentication information to cloud server, carries out identity identifying and authenticating for receiving user instructions；And
Control instruction is issued to cloud server according to the identity information of certification；Each intelligent breaker is prestored in cloud server
Address information judges to authenticate user right according to the authentication information of the handheld terminal received, is referred to according to user's request
Enable the parameters of electric power and switch state sent by and by the intelligent breaker that receives；Power quality analysis is carried out, and will analysis
As a result it is sent to handheld terminal to be shown, while user's control being instructed, be sent to the microprocessor of intelligent breaker, by
Microprocessor controls executing agency, and progress breaker is opened a sluice gate and feed motion.
Parameters of electric power includes voltage value, current value, frequency values；When carrying out power quality analysis, using frequency domain analysis,
Parameters of electric power is performed a scan and harmonic flow calculation.
It should be noted that parameters of electric power is carried out Fourier transformation using time domain point when carrying out power quality analysis
Analysis method or frequency domain analysis, perform a scan parameters of electric power and harmonic flow calculation, further obtain voltage deviation,
Tri-phase unbalance factor, utility network harmonic wave, frequency departure, voltage fluctuation and flicker, temporary overvoltage and transient overvoltage, electricity
Temporarily whether the parameter values such as drop and short interruptions meet professional standard to pressure.
The intelligent communication module of each intelligent breaker carries out PROFIBUS networking, each intelligence communication mould using RS-485
Block is the slave station of PROFIBUS, the main website that cloud server communication is PROFIBUS.Further, each intelligent communication module with
When cloud server is communicated, parameters of electric power and switch state to be sent are encoded using non-return to zero code, wherein
Each coding includes 8 information bits and start bit, stop bit, parity check bit.
In one embodiment of the invention, intelligent breaker is mounted in the distribution box of building switchgear house, each
Intelligent breaker in this programme is installed, each circuit breaker external pastes two-dimension code label, and each breaker carries in distribution box
One exclusive two-dimensional barcode information, the position of the breaker is carried in two dimensional code, and number and mailing address, user pass through mobile phone
After registering beyond the clouds, the two-dimensional barcode information on each breaker is scanned with the identity of administrator, by the data input of the breaker
Into cloud server, the host of cloud server is placed on room security, cell phone application software is also contained on the mobile phone of security personnel；It protects
Peace at any time can slap the electricity consumption situation in each room and floor according to the switch state and electric current that show on mobile phone, voltage condition
It holds, at night as needed, by mobile phone or computer to also separating brake control is carried out in the room of energy consumption or floor, has saved electricity
Energy and manpower, create good value.
As shown in figure 4, the present invention also provides a kind of intelligent low-voltage circuit breaker system application methods, comprising the following steps:
Multiple intelligent breakers and cloud server are carried out networking, each intelligence open circuit according to Star Network by step S1
The parameters of electric power and switch state for the power grid that device will test are sent after being handled by microprocessor using intelligent communication module
To cloud server；In step sl, parameters of electric power includes voltage value, current value, frequency values；Carrying out power quality analysis
When, using frequency domain analysis, parameters of electric power is performed a scan and harmonic flow calculation.The intelligence of each intelligent breaker
Communication module carries out PROFIBUS networking using RS-485, and each intelligent communication module is the slave station of PROFIBUS, cloud service
The main website that device communication is PROFIBUS.Preferably, when each intelligent communication module is communicated with cloud server, Jiang Yaofa
The parameters of electric power and switch state sent is encoded using non-return to zero code, wherein each coding includes 8 information bits and beginning
Position, stop bit, parity check bit.
Step S2, is received user instructions using handheld terminal, is sent authentication information to cloud server, is carried out identification
Certification；And control instruction is issued to cloud server according to the identity information of certification；And receive the control instruction of cloud server
Operational order is sent to the executing agency of breaker；
Step S3 prestores the address information of each intelligent breaker in cloud server, according to the handheld terminal received
Authentication information judge to authenticate user right, sent out according to user's request instruction by and by the intelligent breaker that receives
The parameters of electric power and switch state sent；Power quality analysis is carried out, and analysis result is sent to handheld terminal and is shown,
User's control is instructed simultaneously, the microprocessor of intelligent breaker is sent to, executing agency is controlled by microprocessor, is broken
Road device is opened a sluice gate and feed motion.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.Model of the invention
It encloses by appended claims and its equivalent limits.
Claims (9)
1. a kind of intelligence low-voltage circuit breaker system, which is characterized in that including multiple intelligent breakers, cloud server and hold
Terminal；Each intelligent breaker is carried out wireless communication with cloud server；
Each intelligent breaker include analog quantity monitoring modular, switching value module, microprocessor, executing agency and
Intelligent communication module；The analog quantity monitoring modular is used to monitor the parameters of electric power of route, and parameters of electric power is sent to micro- place
Manage device；The switching value monitoring modular is used to detect the switch state of short-circuiting device；And the switch state that will test be sent to it is micro-
Processor；The microprocessor is sent to cloud clothes by the parameters of electric power received and switch state, by intelligent communication module
Business device, and the control instruction for receiving cloud server sends operational order to the executing agency of breaker；
The handheld terminal sends authentication information to cloud server, carries out identity identifying and authenticating for receiving user instructions；And
Control instruction is issued to cloud server according to the identity information of certification；
The address information that each intelligent breaker is prestored in the cloud server is believed according to the certification of the handheld terminal received
Breath judge to authenticate user right, according to user's request instruction by it is described and by the intelligent breaker received transmission electricity
Force parameter and switch state；Power quality analysis is carried out, and analysis result is sent to handheld terminal and is shown, while will be used
Family control instruction is sent to the microprocessor of intelligent breaker, controls executing agency by microprocessor, carry out breaker open a sluice gate and
Feed motion.
2. intelligence low-voltage circuit breaker system according to claim 1, which is characterized in that the parameters of electric power includes voltage
Value, current value, frequency values；When carrying out power quality analysis, using frequency domain analysis, parameters of electric power is performed a scan and
Harmonic flow calculation.
3. intelligence low-voltage circuit breaker system according to claim 1, which is characterized in that each intelligent breaker
Intelligent communication module carries out PROFIBUS networking using RS-485, and each intelligent communication module is the slave station of PROFIBUS, described
The main website that cloud server communication is PROFIBUS.
4. intelligence low-voltage circuit breaker system according to claim 3, which is characterized in that each intelligent communication module
When being communicated with cloud server, parameters of electric power and switch state to be sent are encoded using non-return to zero code, wherein
Each coding includes 8 information bits and start bit, stop bit, parity check bit.
5. intelligence low-voltage circuit breaker system according to claim 1, which is characterized in that the analog quantity monitoring modular packet
Include Rogowski coil and divider resistance；The input terminal of Rogowski coil and divider resistance is connected with the input terminal of distribution box respectively,
Rogowski coil output end connects A/D converter circuit；A/D converter circuit is connected with the microprocessor；The switching value module packet
Detection chip, current converter circuit are included, wherein the model CS5460 of detection chip, the input pin of the detection chip pass through
Current converter circuit is connected, is connected with the output end of current transformer；The electric current conversion circuit includes the first transfer resistance
With the second transfer resistance；First transfer resistance and the second transfer resistance are in parallel with current transformer respectively.
6. a kind of intelligence low-voltage circuit breaker system application method, which comprises the following steps:
Multiple intelligent breakers and cloud server are carried out networking according to Star Network by step S1, and each intelligent breaker will
The parameters of electric power and switch state of the power grid detected using intelligent communication module are sent to cloud after being handled by microprocessor
Hold server；
Step S2, is received user instructions using handheld terminal, is sent authentication information to cloud server, is carried out identification and recognize
Card；And control instruction is issued to cloud server according to the identity information of certification；And receive the control instruction pair of cloud server
The executing agency of breaker sends operational order；
Step S3 prestores the address information of each intelligent breaker in cloud server, according to recognizing for the handheld terminal received
Card information judge to authenticate user right, according to user's request instruction by it is described and by the intelligent breaker received transmission
Parameters of electric power and switch state；Power quality analysis is carried out, and analysis result is sent to handheld terminal and is shown, simultaneously
User's control is instructed, the microprocessor of intelligent breaker is sent to, executing agency is controlled by microprocessor, breaker is carried out and opens
Lock and feed motion.
7. intelligence low-voltage circuit breaker system application method according to claim 6, which is characterized in that in step sl,
Parameters of electric power includes voltage value, current value, frequency values；When carrying out power quality analysis, using frequency domain analysis, electric power is joined
Number performs a scan and harmonic flow calculation.
8. intelligence low-voltage circuit breaker system application method according to claim 6, which is characterized in that in step sl,
The intelligent communication module of each intelligent breaker carries out PROFIBUS networking using RS-485, and each intelligent communication module is
The slave station of PROFIBUS, the main website that the cloud server communication is PROFIBUS.
9. intelligence low-voltage circuit breaker system application method according to claim 8, which is characterized in that each intelligence
When communication module is communicated with cloud server, parameters of electric power and switch state to be sent are compiled using non-return to zero code
Code, wherein each coding includes 8 information bits and start bit, stop bit, parity check bit.
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| CN110086258A (en) * | 2019-05-09 | 2019-08-02 | 深圳德微电技术有限公司 | A kind of method that breaker carries out switch connection using wireless telecommunications |
| CN111082516A (en) * | 2019-07-25 | 2020-04-28 | 安徽美通电力科技有限公司 | Remote breaker data protection method based on Internet of things card |
| CN111565217A (en) * | 2020-04-02 | 2020-08-21 | 江苏能电科技有限公司 | Circuit breaker control method, system, computer equipment and storage medium |
| CN112491128A (en) * | 2020-11-16 | 2021-03-12 | 广东电网有限责任公司 | Dual-power supply monitoring system and method |
| CN115395662A (en) * | 2022-10-31 | 2022-11-25 | 广东承能电力安装有限公司 | Intelligent monitoring system and method for power distribution room and computer readable storage medium |
| CN117082108A (en) * | 2023-10-16 | 2023-11-17 | 中盛新源智能电网科技有限公司 | Internet of things communication method for intelligent low-voltage circuit breaker |
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| CN112491128A (en) * | 2020-11-16 | 2021-03-12 | 广东电网有限责任公司 | Dual-power supply monitoring system and method |
| CN115395662A (en) * | 2022-10-31 | 2022-11-25 | 广东承能电力安装有限公司 | Intelligent monitoring system and method for power distribution room and computer readable storage medium |
| CN117082108A (en) * | 2023-10-16 | 2023-11-17 | 中盛新源智能电网科技有限公司 | Internet of things communication method for intelligent low-voltage circuit breaker |
| CN117082108B (en) * | 2023-10-16 | 2023-12-26 | 中盛新源智能电网科技有限公司 | Internet of things communication method for intelligent low-voltage circuit breaker |
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