CN203368154U - Integrated management system for low voltage distribution - Google Patents
Integrated management system for low voltage distribution Download PDFInfo
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- CN203368154U CN203368154U CN2013204829787U CN201320482978U CN203368154U CN 203368154 U CN203368154 U CN 203368154U CN 2013204829787 U CN2013204829787 U CN 2013204829787U CN 201320482978 U CN201320482978 U CN 201320482978U CN 203368154 U CN203368154 U CN 203368154U
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- microcontroller
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- voltage distribution
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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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
An integrated management system for low voltage distribution includes an internal bus module, a power supply support component and a function component module. The internal bus module comprises a power line and a data bus; the power line is connected with the power supply support component; the function component module includes multiple independent functional components; each independent functional component is provided with a secondary power supply, a communication interface, a microcontroller and multiple function modules; the secondary power supply and the power line are electrically connected; the microcontroller is respectively connected with the communication interface and the multiple function modules; and the communication interface is connected with the data bus. The integrated management system for the low voltage distribution can communicate with the background server through the data bus, and more importantly each function component has the intelligent control capability to some extent, so that each function component is relatively independent and the task inside the component is simple; and thus, the reliability of the whole system is improved and the function component can respectively complete the task independently in the offline case.
Description
Technical field
The utility model relates to the power transmission and distribution process of electric power system and the monitoring field of equipment, be that a kind of 50Hz of being applicable to exchanges the comprehensive detection of 0.4kV low-voltage distribution system and the intelligent total management platform of control, also can be used for the comprehensive monitoring of the above electric power system of 10kV and power plant, transformer station.
Background technology
At present, the public distribution network scale of city and country constantly enlarges, the quick propelling of simultaneously building along with intelligent grid, being distributed in the management of power transmission and distribution links at different levels and control appliance, to present kind many, the characteristics that quantity is large, and have the difference of demand aspect city power transmission and distribution and factory and enterprise distribution, and personalized demand further causes the kind numerous and complicated of system, and may there be obstacle in the interaction between distinct device.
In industrial circle, exist at present and take the assembly type bus expansion equipment that PLC controller or class PLC equipment is representative, but this kind equipment is mainly towards the industrial automation production process of factory and enterprise, mainly for common input/output signal in industrial process, such as 4～20mA current signal, 0～5v voltage signal and switching value signal etc., not for the power transmission and distribution field, can not meet the industry requirement of power transmission and distribution process.
The DTU((Data Transfer unit that power industry is existing, the full name data transmission unit), FTU(Feeder Terminal Unit, feeder terminal unit) and similar devices, mainly as rear master station " four is distant " front end, exist, although there are similar bus structures, each functional unit itself does not have intelligent control function, can not independently complete control, long-range backstage is had to higher dependence.
In addition, at present in the power transmission and distribution industry, have a large amount of measurements miscellaneous and control instrument, often in same application scenario, need to use multiple instrument, and wherein may some instrument there be overlapping on function in this.And the instrument of other complete functions or controller make the complicated equipment dependability that affects of single microcontroller task owing to pursuing complete function.
Summary of the invention
For above-mentioned technical problem, the utility model provides a kind of multiple intelligent control function is organically blended and is integrated, replace existing multiple digital displaying meter in low pressure power transmission and distribution field, the system complex degree is low, the low-voltage distribution total management system that device intelligence and reliability are high.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of low-voltage distribution total management system, it is characterized in that, comprise internal bus module, power supply supporting assembly and functional component module, described internal bus module comprises power line and data/address bus, described power line is connected with described power supply supporting assembly, described functional component module comprises some independently functional units, each independently functional unit be provided with secondary power supply, communication interface, microcontroller and some functional modules; Described secondary power supply is electrically connected to described power line, for giving described other assembly power supplies of independently functional unit; Described microcontroller is connected with described communication interface and some functional modules respectively, and described communication interface also is connected with described data/address bus.
Described functional component module comprises basic electric parameter measurement assembly, the control of reactive power compensating assembly, dynamic environment control assembly, data storage and communications component and man-machine interaction assembly.
Described basic electric parameter measurement assembly comprises the first microcontroller, AD sample circuit and signal conditioning circuit and earphone power supply and the first communication interface, described signal conditioning circuit is for receiving alternating voltage and current signal, the output of described signal conditioning circuit is connected with the input of described AD sample circuit, the output of described AD sample circuit is connected with the signal input part of described the first microcontroller, and described the first microcontroller is also by the first communication interface and described data bus communication.
Described the control of reactive power compensating assembly comprises the second microcontroller and the second communication interface, described two microcontrollers are connected with described data/address bus by the second communication interface, and described the second microcontroller also is provided with serial line interface or the parallel interface for outwards issue capacitor switching instruction.
Described dynamic environment control assembly comprises the 3rd microcontroller, the 3rd communication interface, temperature sensor, humidity sensor, Smoke Sensor and immersion transducer, the signal output part of described temperature sensor, humidity sensor, Smoke Sensor and immersion transducer is connected with respectively the sensor signal input group of the 3rd microcontroller, described the 3rd microcontroller also is provided with the output port of controlling ventilation, refrigeration, smoke evacuation, draining and alarm signal for exporting, and described the 3rd microcontroller also is connected with described data/address bus by the 3rd communication interface.
Described data storage and communications component comprise the 4th microcontroller, four-way communication interface, external data interface, RAM memory and remote service communication module, described the 4th microcontroller is connected with described data/address bus by the four-way communication interface, described the 4th microcontroller also is connected with the remote service communication module for telecommunication by external data interface, and described the 4th microcontroller also connects for storing the RAM memory of data.
Described man-machine interaction assembly comprises the 5th microcontroller, five-way communication interface, keyboard and display, and described the 5th microcontroller is connected with described data/address bus by the five-way communication interface, and described the 5th microcontroller is connected with display with described keyboard respectively.
Compared with prior art, good effect of the present utility model is:
Carry out according to demand the composition assembly of Selection and Constitute functional component module, the assembly of selecting is inserted to the low-voltage distribution integrated management and control platform, mode by flexible cord or backplane slot, realize that the inner high speed data/address bus is interconnected, set up the passage of power supply support and data sharing, then, according to the condition of work requirement of different assemblies, connect the input/output signal terminal of each assembly, can start voluntarily after device power, carry out the work according to Internal Control Procedure.
Platform is controlled in low-voltage distribution integrated management of the present utility model, design based on " data sharing; independent control ", except can communicating by data/address bus and background server, prior feature is that each functional unit self has certain Based Intelligent Control ability, makes each functional unit all relatively independent, and the component internal task is simple, thereby improved the reliability of whole system, and functional unit fully can be in the task separately of complete independently under off-line case.
the accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
The low-voltage distribution total management system, comprise internal bus module, power supply supporting assembly and functional component module, and the internal bus module comprises power line and data/address bus, comprise+12v of power line VDD-to-VSS line wherein,
Described power line is connected with described power supply supporting assembly, and described functional component module comprises some independently functional units, each independently functional unit be provided with secondary power supply, communication interface, microcontroller and some functional modules; Described secondary power supply is electrically connected to described power line, for giving described other assembly power supplies of independently functional unit; Described microcontroller is connected with described communication interface and some functional modules respectively, and described communication interface also is connected with described data/address bus.
Carry out according to demand the composition assembly of Selection and Constitute functional component module, the assembly of selecting is inserted to the low-voltage distribution integrated management and control platform, mode by flexible cord or backplane slot, realize that the inner high speed data/address bus is interconnected, set up the passage of power supply support and data sharing, then, according to the condition of work requirement of different assemblies, connect the input/output signal terminal of each assembly, can start voluntarily after device power, carry out the work according to Internal Control Procedure.
Platform is controlled in low-voltage distribution integrated management of the present utility model, design based on " data sharing; independent control ", except can communicating by data/address bus and background server, prior feature is that each functional unit self has certain Based Intelligent Control ability, makes each functional unit all relatively independent, and the component internal task is simple, thereby improved the reliability of whole system, and functional unit fully can be in the task separately of complete independently under off-line case.
Functional component module comprises basic electric parameter measurement assembly, the control of reactive power compensating assembly, dynamic environment control assembly, data storage and communications component and man-machine interaction assembly.
Wherein basic electric parameter measurement assembly comprises the first microcontroller, AD sample circuit and signal conditioning circuit and earphone power supply and the first communication interface, described signal conditioning circuit is for receiving alternating voltage and current signal, the output of described signal conditioning circuit is connected with the input of described AD sample circuit, the output of described AD sample circuit is connected with the signal input part of described the first microcontroller, and described the first microcontroller is also by the first communication interface and described data bus communication.
It is core that this basic electric parameter measurement assembly be take embedded microprocessor (the first microcontroller), adopts the AD sample mode to be sampled to alternating voltage and current signal through modulate circuit, and adopts root mean square (RMS) algorithm to carry out real effective calculating.Obtain electric current and voltage phase difference by the analysis to sampled value simultaneously, calculate thus this circuit power factor angle, power and electric energy numerical value, and measurement result is published to data/address bus according to the time interval of setting.
The control of reactive power compensating assembly comprises the second microcontroller and the second communication interface, described two microcontrollers are connected with described data/address bus by the second communication interface, and described the second microcontroller also is provided with serial line interface or the parallel interface for outwards issue capacitor switching instruction.
It is core that this control of reactive power compensating assembly be take embedded microcontroller (the second microcontroller), by receiving the voltage from internal data bus, the parameter such as electric current and power, and according to the target power factor of setting, the parameter such as harmonic protection and voltage protection, calculated decision-making according to " reactive demand " (reactive demand is exactly the reactive power maximum that load occurs), afterwards to walk abreast or the instruction of serial data interface issue capacitor switching, when realizing reactive power compensation, utilization is at the electric capacity of alternate uneven configuration, shifted and regulated alternate imbalance is meritorious.
The dynamic environment control assembly comprises the 3rd microcontroller, the 3rd communication interface, temperature sensor, humidity sensor, Smoke Sensor and immersion transducer, the signal output part of described temperature sensor, humidity sensor, Smoke Sensor and immersion transducer is connected with respectively the sensor signal input group of the 3rd microcontroller, described the 3rd microcontroller also is provided with the output port of controlling ventilation, refrigeration, smoke evacuation, draining and alarm signal for exporting, and described the 3rd microcontroller also is connected with described data/address bus by the 3rd communication interface.
It is core that the dynamic environment control assembly be take embedded microcontroller (the 3rd microcontroller), gathers in power distribution room temperature, humidity, cigarette sense and inundation state information in box type transformer and other distribution facilities by multiple sensors.Condensation probability of happening in the current facility of the data analysis that utilization is obtained, the information such as equipment operational environment situation, afterwards according to set control strategy, take respectively the various ways such as ventilation, refrigeration, smoke evacuation draining and warning to be processed.Simultaneously, this dynamic environment control assembly also sends to humiture data etc. data/address bus, for the participative decision making of the control of reactive power compensating assembly, to reach the purpose of capacitor for voltage protection.Also can be received for information about by data storage and communications component in addition, the information of dynamic environment is delivered to the remote server end.
Data storage and communications component comprise the 4th microcontroller, four-way communication interface, external data interface, RAM memory and remote service communication module, described the 4th microcontroller is connected with described data/address bus by the four-way communication interface, described the 4th microcontroller also is connected with the remote service communication module for telecommunication by external data interface, and described the 4th microcontroller also connects for storing the RAM memory of data.
This data storage and communications component be take embedded microcontroller as core, expansion comprises RS232, RS485 and Ethernet are at interior external data interface, coordinate jumbo RAM memory simultaneously, receive all information that is published on data/address bus, and set up corresponding data backup for the data of each assembly, for remote server, extract and inquiry at any time, when generation displacement or unusual fluctuation, the active reporting remote server, realize the alarming and managing function.
The man-machine interaction assembly comprises the 5th microcontroller, five-way communication interface, keyboard and display, and described the 5th microcontroller is connected with described data/address bus by the five-way communication interface, and described the 5th microcontroller is connected with display with described keyboard respectively.
This man-machine interaction assembly be take embedded microcontroller as core, comprises LCD, and the multiple display modes such as LED charactron are used touch key or touch-sensitive display input.The large capacity ram space of internal extended, for each assembly is set up corresponding sampling and data trnascription is set.After the user has arranged, renewal will be set in time and be published to internal data bus, receive voluntarily and beam back by relevant assembly and confirm to reply.Simultaneously, receive sampling and status data from each assembly, and can adopt word, the various ways such as figure are expressed.
The functional unit value volume and range of product that functional component module comprises is unrestricted, it is selected various functional unit by user or engineering construction personnel according to concrete demand, various functional units are inserted to the low-voltage distribution integrated management and control platform, mode by flexible cord or backplane slot, realization is interconnected with inner data/address bus, sets up the passage of power supply support and data sharing.According to the condition of work requirement of different assemblies, connect the input/output signal terminal of each assembly again.Can start voluntarily after device power, carry out the work according to Internal Control Procedure.As shown in Figure 1.
Control platform inside for same low-voltage distribution integrated management, if comprise polylith same type functional unit, need by toggle switch or similar device, manually the assembly of the type arranged respectively to different addresses, to guarantee same type, different component devices same data distinguished.
Above-described embodiment of the present utility model is only to be explanation the utility model example, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make on the basis of the above description other multi-form variation and changes, can't give all execution modes exhaustive here.Every still row in protection range of the present utility model of apparent variation that the technical solution of the utility model amplifies out or change that belong to.
Claims (7)
1. a low-voltage distribution total management system, it is characterized in that, comprise internal bus module, power supply supporting assembly and functional component module, described internal bus module comprises power line and data/address bus, described power line is connected with described power supply supporting assembly, described functional component module comprises some independently functional units, each independently functional unit be provided with secondary power supply, communication interface, microcontroller and some functional modules; Described secondary power supply is electrically connected to described power line, for giving described other assembly power supplies of independently functional unit; Described microcontroller is connected with described communication interface and some functional modules respectively, and described communication interface also is connected with described data/address bus.
2. low-voltage distribution total management system according to claim 1, it is characterized in that, described functional component module comprises basic electric parameter measurement assembly, the control of reactive power compensating assembly, dynamic environment control assembly, data storage and communications component and man-machine interaction assembly.
3. low-voltage distribution total management system according to claim 2, it is characterized in that, described basic electric parameter measurement assembly comprises the first microcontroller, AD sample circuit and signal conditioning circuit and earphone power supply and the first communication interface, described signal conditioning circuit is for receiving alternating voltage and current signal, the output of described signal conditioning circuit is connected with the input of described AD sample circuit, the output of described AD sample circuit is connected with the signal input part of described the first microcontroller, described the first microcontroller is also by the first communication interface and described data bus communication.
4. low-voltage distribution total management system according to claim 2, it is characterized in that, described the control of reactive power compensating assembly comprises the second microcontroller and the second communication interface, described two microcontrollers are connected with described data/address bus by the second communication interface, and described the second microcontroller also is provided with serial line interface or the parallel interface for outwards issue capacitor switching instruction.
5. low-voltage distribution total management system according to claim 2, it is characterized in that, described dynamic environment control assembly comprises the 3rd microcontroller, the 3rd communication interface, temperature sensor, humidity sensor, Smoke Sensor and immersion transducer, described temperature sensor, humidity sensor, the signal output part of Smoke Sensor and immersion transducer is connected with respectively the sensor signal input group of the 3rd microcontroller, described the 3rd microcontroller also is provided with for exporting to control and ventilates, refrigeration, smoke evacuation, the output port of draining and alarm signal, described the 3rd microcontroller also is connected with described data/address bus by the 3rd communication interface.
6. low-voltage distribution total management system according to claim 2, it is characterized in that, described data storage and communications component comprise the 4th microcontroller, four-way communication interface, external data interface, RAM memory and remote service communication module, described the 4th microcontroller is connected with described data/address bus by the four-way communication interface, described the 4th microcontroller also is connected with the remote service communication module for telecommunication by external data interface, and described the 4th microcontroller also connects for storing the RAM memory of data.
7. low-voltage distribution total management system according to claim 2, it is characterized in that, described man-machine interaction assembly comprises the 5th microcontroller, five-way communication interface, keyboard and display, described the 5th microcontroller is connected with described data/address bus by the five-way communication interface, and described the 5th microcontroller is connected with display with described keyboard respectively.
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| CN2013204829787U CN203368154U (en) | 2013-08-08 | 2013-08-08 | Integrated management system for low voltage distribution |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103368267A (en) * | 2013-08-08 | 2013-10-23 | 重庆樱花电气开关有限公司 | Low-voltage distribution integrated management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103368267A (en) * | 2013-08-08 | 2013-10-23 | 重庆樱花电气开关有限公司 | Low-voltage distribution integrated management system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401121 fortune Avenue, Chongqing, Yubei District, No. 16 Patentee after: CHONGQING SAKURA ENERGY TECHNOLOGY Co.,Ltd. Address before: 401121 fortune Avenue, Chongqing, Yubei District, No. 16 Patentee before: CHONGQING SAKURA ELECTRIC SWITCH CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |