CN103219804A - Wireless electric energy management instrument applicable to energy management and control system - Google Patents
Wireless electric energy management instrument applicable to energy management and control system Download PDFInfo
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- CN103219804A CN103219804A CN2013101656916A CN201310165691A CN103219804A CN 103219804 A CN103219804 A CN 103219804A CN 2013101656916 A CN2013101656916 A CN 2013101656916A CN 201310165691 A CN201310165691 A CN 201310165691A CN 103219804 A CN103219804 A CN 103219804A
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- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 37
- 238000012544 monitoring process Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 5
- 238000012797 qualification Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
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- 238000004134 energy conservation Methods 0.000 description 2
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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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- 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
- Y04S40/128—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 involving the use of Internet protocol
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Abstract
The invention discloses a wireless electric energy management instrument applicable to an energy management and control system. The wireless electric energy management instrument comprises a shell and a circuit board arranged inside the shell, wherein an indication lamp is arranged on the front side of the shell; wiring terminals are arranged on two sides of the shell; the circuit board is used for acquiring relevant information of voltage, current, power and power factors of a three-phase electric circuit, calculating the load rate in real time, and simultaneously realizing electric energy data transmission by using a breakpoint resume method; and the indication lamp is used for receiving load rate grade result output from the circuit board and outputting the load rate grade result in an indication lamp mode. By utilizing the wireless electric energy management instrument, unprofessional workers can visibly acquire the equipment operation efficiency, and due to the wireless breakpoint resume design, the instrument can be accessed to an energy management information-based system.
Description
Technical field
The present invention relates to intelligent electric energy management system field, be specifically related to a kind of radio energy management instrument that is applicable to energy managing and control system.
Background technology
Electric power monitoring system is that a kind of modern network technology and computer technology of adopting realizes every management function to electric power system improving the efficiency of management to electric power system, ensures the target of the reliable and secure operation of electric power system.Typical electric power monitoring system, it is made of power monitoring instrument, communication network and monitoring host computer.Wherein the power monitoring instrument is responsible for electric-power metering (statistics power consumption) and real-time electric power parameter (electric current, voltage, power, power factor etc.) monitoring, then monitor message is sent to monitoring host computer by RS485 network or Ethernet, at last, the parameters of electric power that power monitoring software shows in real time, statistics and analysis is collected.
The electric power energy managing and control system is a kind of power information is gathered, reports, gathered and analyzes, and generate dynamic data and curves and form, realization utilizes real-time, the accurate dynamic of situation to supervise to enterprise energy, helps the energy that utilizes of enterprise's science, to reach purpose of energy saving.The difference of electric power monitoring system and electric power energy managing and control system: electric power monitoring system lays particular emphasis on to be monitored the safety of electric power system self, reliability service.The electric power energy managing and control system is developed by electric power monitoring system, but it more lays particular emphasis on power consumption statistics, energy-saving analysis, prediction and management.
At present, general power monitoring instrument and intelligent electric meter mainly are for the monitoring of electric energy metrical and parameters of electric power and design, the demand that can not adapt to energy managing and control system fully, it is mainly reflected in following aspect: at the function design aspect, do not have angle from energy-saving analysis, instrument can not overall process recording equipment electric process, can not on-line analysis equipment energy consumption efficiency.In communication aspects, the power monitoring instrument is generally used the wire communication mode of RS485 interface, does not possess the wiring condition occasion at some, lacks low-cost, convenient, rapid wireless communication interface.
Summary of the invention
For solving the problems of the technologies described above, overcome existing power monitoring instrument and be applied to defective in the energy managing and control system, the purpose of this invention is to provide a kind of radio energy management instrument that is applicable to energy managing and control system, comprise housing and be arranged on the interior circuit board of described housing, described housing just above be provided with indicator light, be provided with binding post in described housing both sides, described circuit board is used to obtain voltage, electric current, power and power factor relevant information, and real-time computational load rate, with the form output of load factor grade result, use the breakpoint transmission method simultaneously and realize the wireless transmission of energy data with indicator light.
Described load factor grade result comprises at least four ranks.
Load factor grade result comprise height, in, lower and low, when the monitoring load is transformer, the corresponding average load rate of described load factor grade scope is＞75%, 60%-75%, 40%-60%,＜40%, when the monitoring load was asynchronous machine, the corresponding average load rate of described load factor grade scope was＞70%, 60%-70%, 50%-60%,＜50%.
Described breakpoint transmission method comprises host node and the minor node that is connected with host node, and comprises following performing step:
Steps A: minor node regularly sends heartbeat packet to host node, confirms the connection status with host node;
Step B: inquiry and host node communication signal strength and connection status before the minor node reported data, and judge whether to possess the transmission data qualification according to the signal strength signal intensity threshold values, if do not possess then data cached, wait for that send next time, if possess the transmission condition,, split into a plurality of subdata bags then according to outgoing data length, add numbering, check field simultaneously, and order sends the subdata bag successively;
Step C: host node receives the end mark frame that minor node sends, according to the sign echo reply signal that receives;
Step D: minor node determines whether the subdata bag of the end data transmission or the reference numeral that retransfers according to the answer signal that host node returns.
Described circuit board is provided with the analog signal processing circuit that is connected with the input signal end, the microcontroller circuit that is connected with described analog signal processing circuit output, the communication circuit that is electrically connected with described microcontroller circuit communication end, the memory circuit that is electrically connected with described microcontroller circuit storage end, real time clock circuit and the power circuit that is electrically connected with described microcontroller circuit clock signal terminal; Described microcontroller circuit is used for the digital signal that statistics and analysis obtains, and calculates information such as respective electrical force parameter, load factor grade in real time, and described memory circuit is used for storage of collected data and analysis result; Described real time clock circuit provides clock for statistics and analysis, adds time scale information for the Monitoring Data of preserving simultaneously.
Described communication circuit comprises RS485 interface communication circuit and radio communication circuit.
Described indicator light comprises load factor indicator light, power supply indicator, communication indicator light and online indicator light.
Described indicator light is a monochromatic LED lamp.
Described radio communication circuit is the 2.4GHz radio communication circuit.
Described radio communication circuit comprises the nRF24L01 radio frequency chip.
The present invention has positive effect: among the present invention, adopt instrument of the present invention to make the layman can intuitively obtain equipment operating efficiency, and instrument access energy conservation information system is convenient in wireless breakpoint transmission design; And heavy current dwindled the instrument volume to a certain extent without instrument terminal, and simplified wiring and be convenient to install; Have RS485 and short-distance wireless communication interface and communication circuit, be convenient to make up information system; Can measuring voltage, three-phase power parameters such as electric current, power and power factor, possess real-time load factor monitoring function simultaneously, and can statistics and analysis equipment energy consumption efficiency, intuitively show with the load factor classification and by indicator light; Storage of collected data and analysis result, conveniently inquiry in time.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation below, wherein:
Fig. 1 is the circuit structure block diagram on the circuit board of the present invention;
Fig. 2 is the side and the terminal rough schematic view of housing of the present invention;
Fig. 3 is the front schematic view of housing of the present invention;
Fig. 4 is radio communication circuit figure of the present invention;
Fig. 5 is the flow chart of breaker point continuous transmission method of the present invention.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 5 has shown a kind of embodiment of the present invention, and wherein Fig. 1 is the circuit structure block diagram on the circuit board of the present invention; Fig. 2 is the side and the terminal rough schematic view of housing of the present invention; Fig. 3 is the front schematic view of housing of the present invention; Fig. 4 is radio communication circuit figure of the present invention; Fig. 5 is the flow chart of breaker point continuous transmission method of the present invention.
See Fig. 1 to Fig. 3, the radio energy management instrument of energy managing and control system that is applicable to of the present invention comprises housing 1 and the circuit board that is arranged in the described housing 1, described housing 1 just above be provided with indicator light 2, be provided with binding post 3 in described housing 1 both sides, described circuit board is provided with the analog signal processing circuit 4 that is connected with the input signal end, the microcontroller circuit 5 that is connected with described analog signal processing circuit 4 outputs, the communication circuit 6 that is electrically connected with described microcontroller circuit 5 communication ends, the memory circuit 7 that is electrically connected with described microcontroller circuit 5 storage ends, the real time clock circuit 8 and the power circuit 9 that are electrically connected with described microcontroller circuit 5 clock signal terminals.Described communication circuit 6 comprises RS485 interface communication circuit 61 and radio communication circuit 62.Described indicator light 2 comprises load factor indicator light, power supply indicator, communication indicator light and online indicator light.Described indicator light is a monochromatic LED lamp, and described radio communication circuit is the 2.4GHz radio communication circuit.The three-phase alternating current holding wire penetrates from the right side by the housing left hole and passes, three-phase alternating current line ball and zero line are connected with binding post respectively (among the figure 1,2,3 and 4), the simulation forceful electric power signal that to import through analog signal processing circuit changes into digital weak electric signal then, enter statistics and analysis through microcontroller circuit again, calculate the respective electrical force parameter in real time, the load factor grade, the communication circuit provides data communication interface for making up the energy conservation information system, memory circuit is used for storage of collected data and analysis result, and real time clock circuit provides clock for the statistics and analysis data, add time scale information for the Monitoring Data of preserving simultaneously.
The radio energy management instrument of present embodiment is divided into transformer ' s type, asynchronous machine class and comprehensive with the load of monitoring;
When the load of its monitoring is transformer ' s type, the average load rate of transformer is defined as: in the certain hour, the ratio of the apparent power that transformer is on average exported and the rated capacity of transformer, since among the present invention load factor be divided into height, in, lower and low four different brackets, its corresponding respectively average load rate scope is＞75%, 60%-75%, 40%-60%,＜40%, the mean value measurement period is 24 hours.And at integral point constantly, instrument is exported day, the moon, annual load factor successively by communication interface and indicator light.
When the load of its monitoring is the asynchronous machine time-like, load-rate of motor: real output during motor work and the ratio of its rated power.Asynchronous machine is a kind of industrial electromechanical equipment that is widely used in, threephase asynchronous is that condition is chosen by operate as normal under the peak load all generally, but in actual motion, often be in varying load, even move in the state of underloading or zero load, cause consequences such as the motor power (output) factor diminishes, efficient reduces, waste of energy is serious.Therefore to the load factor of asynchronous machine monitor in real time, statistics and analysis, thereby instruct equipment to improve operational efficiency, for the reducing energy consumption of motor provides data to support.Per minute of the present invention calculates the load factor of an asynchronous machine class, and by indicator light indicate current monitoring load load factor grade of living in (high, in, lower, low, its corresponding respectively average load rate scope is＞70%, 60%-70%, 50%-60%,＜50%).Simultaneously, instrument is exported the exact value of the average load rate of branch, hour, day, month, year successively by communication interface.
When the load of its monitoring when being comprehensive, (comprehensive all power consumption equipments that refer to except that transformer ' s type and asynchronous machine class) do not carry out the load factor statistics to it, only three-phase power parameters such as electric current, voltage, power and power factor are monitored.
See Fig. 4 and Fig. 5, described radio communication circuit comprises the nRF24L01 radio frequency chip.
Described radio communication circuit in addition breaker point continuous transmission method is finished wireless data stable transfer under the industrial environment, and breaker point continuous transmission method comprises host node and the minor node that is connected with host node, finishing communication and comprising the steps:
Steps A: minor node regularly sends heartbeat packet to host node, confirms the connection status with host node;
Step B: inquiry and host node communication signal strength and connection status before the minor node reported data, and judge whether to possess the transmission data qualification according to the signal strength signal intensity threshold values, if do not possess then data cached, wait for that send next time, if possess the transmission condition,, split into a plurality of subdata bags then according to outgoing data length, add numbering, check field simultaneously, and order sends the subdata bag successively;
Step C: host node receives the end mark frame that minor node sends, according to this marker frames echo reply signal;
Step D: minor node determines whether the subdata bag of the end data transmission or the reference numeral that retransfers according to the answer signal that host node returns.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (10)
1. radio energy management instrument that is applicable to energy managing and control system, comprise housing and be arranged on the interior circuit board of described housing, described housing just above be provided with indicator light, be provided with binding post in described housing both sides, it is characterized in that: described circuit board is used to obtain voltage, electric current, power and the power factor relevant information of three-phase power circuit, and real-time computational load rate, with the form output of load factor grade result, use the breakpoint transmission method simultaneously and realize the wireless transmission of energy data with indicator light.
2. the radio energy management instrument that is applicable to energy managing and control system according to claim 1 is characterized in that: described load factor grade result comprises at least four ranks.
3. the radio energy management instrument that is applicable to energy managing and control system according to claim 2, it is characterized in that: load factor grade result comprise height, in, lower and low, when monitoring load when being transformer, the corresponding average load rate of described load factor grade scope is＞75%, 60%-75%, 40%-60%,＜40%, when the monitoring load is asynchronous machine, the corresponding average load rate of described load factor grade scope is＞70%, 60%-70%, 50%-60%,＜50%.
4. the radio energy management instrument that is applicable to energy managing and control system according to claim 3 is characterized in that: described breakpoint transmission method comprises host node and the minor node that is connected with host node, and comprises following performing step:
Steps A: minor node regularly sends heartbeat packet to host node, confirms the connection status with host node;
Step B: inquiry and host node communication signal strength and connection status before the minor node reported data, and judge whether to possess the transmission data qualification according to the signal strength signal intensity threshold values, if do not possess then data cached, wait for that send next time, if possess the transmission condition,, split into a plurality of subdata bags then according to outgoing data length, add numbering, check field simultaneously, and order sends the subdata bag successively;
Step C: host node receives the end mark frame that minor node sends, and according to the sign echo reply signal that receives;
Step D: minor node determines whether the subdata bag of the end data transmission or the reference numeral that retransfers according to the answer signal that host node returns.
5. the radio energy management instrument that is applicable to energy managing and control system according to claim 4 is characterized in that: described circuit board is provided with the analog signal processing circuit that is connected with the input signal end, the microcontroller circuit that is connected with described analog signal processing circuit output, the communication circuit that is electrically connected with described microcontroller circuit communication end, the memory circuit that is electrically connected with described microcontroller circuit storage end, real time clock circuit and the power circuit that is electrically connected with described microcontroller circuit clock signal terminal; Described microcontroller circuit is used for the digital signal that statistics and analysis obtains, and calculates respective electrical force parameter, load factor grade in real time, and described memory circuit is used for storage of collected data and analysis result; Described real time clock circuit provides clock for statistics and analysis, adds time scale information for the Monitoring Data of preserving simultaneously.
6. the radio energy management instrument that is applicable to energy managing and control system according to claim 5 is characterized in that: described communication circuit comprises RS485 interface communication circuit and radio communication circuit.
7. the radio energy management instrument that is applicable to energy managing and control system according to claim 6 is characterized in that: described indicator light comprises load factor indicator light, power supply indicator, communication indicator light and online indicator light.
8. the radio energy management instrument that is applicable to energy managing and control system according to claim 7 is characterized in that: described indicator light is a monochromatic LED lamp.
9. the radio energy management instrument that is applicable to energy managing and control system according to claim 8 is characterized in that: described radio communication circuit is the 2.4GHz radio communication circuit.
10. the radio energy management instrument that is applicable to energy managing and control system according to claim 9, it is characterized in that: described radio communication circuit comprises the nRF24L01 radio frequency chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310165691.6A CN103219804B (en) | 2013-05-08 | 2013-05-08 | Be applicable to the radio energy management instrument of energy managing and control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310165691.6A CN103219804B (en) | 2013-05-08 | 2013-05-08 | Be applicable to the radio energy management instrument of energy managing and control system |
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| CN103219804A true CN103219804A (en) | 2013-07-24 |
| CN103219804B CN103219804B (en) | 2015-12-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104486031A (en) * | 2014-11-21 | 2015-04-01 | 杭州海兴电力科技股份有限公司 | Long data transmission method for smart electric meter |
| CN106850606A (en) * | 2017-01-23 | 2017-06-13 | 国网山东省电力公司电力科学研究院 | Overall process management and control electricity transmitting and converting construction environmental practice cooperative monitoring method and system |
| CN106936363A (en) * | 2017-03-31 | 2017-07-07 | 上海源控自动化技术有限公司 | A kind of efficiency control device and energy efficiency controlling method |
| CN111025969A (en) * | 2019-12-05 | 2020-04-17 | 浙江大学 | Wild animal monitoring system and method based on information fusion |
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| CN104486031A (en) * | 2014-11-21 | 2015-04-01 | 杭州海兴电力科技股份有限公司 | Long data transmission method for smart electric meter |
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| CN106936363B (en) * | 2017-03-31 | 2024-05-24 | 上海源控自动化技术有限公司 | Energy efficiency control device and energy efficiency control method |
| CN111025969A (en) * | 2019-12-05 | 2020-04-17 | 浙江大学 | Wild animal monitoring system and method based on information fusion |
| CN111025969B (en) * | 2019-12-05 | 2021-04-27 | 浙江大学 | Wild animal monitoring system and method based on information fusion |
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|---|---|
| CN103219804B (en) | 2015-12-23 |
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Effective date of registration: 20190305 Address after: Room 205, Building 47, 1244 Ping Avenue, Qingshan District, Wuhan City, Hubei Province, 430080 Patentee after: Wuhan Sheng Ruifeng Technology Co.,Ltd. Address before: 430062 805, 8 classic buildings of Xudong Street, Wuchang District, Wuhan City, Hubei Province Patentee before: Zhang Zhifu |
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