CN202340150U - Comprehensive intelligent power distribution system - Google Patents
Comprehensive intelligent power distribution system Download PDFInfo
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- CN202340150U CN202340150U CN2011205051529U CN201120505152U CN202340150U CN 202340150 U CN202340150 U CN 202340150U CN 2011205051529 U CN2011205051529 U CN 2011205051529U CN 201120505152 U CN201120505152 U CN 201120505152U CN 202340150 U CN202340150 U CN 202340150U
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Abstract
The utility model relates to a comprehensive intelligent power distribution system, wherein a voltage/current collecting module is connected with a digital signal processor through a signal modulation circuit; the digital signal processor is also connected to first to third micro-controllers in a bidirectional manner; the first micro-controller is connected to an RS485 communication interface and a human-machine interaction interface in a bidirectional manner; a first output end of the first micro-controller is connected with a control switch through an optical relay; a second output end of the first micro-controller is connected to an input end of a memory; the second micro-controller is connected to an RS485 interface and a power line carrier module in a bidirectional manner; and the third micro-controller is connected with a reactive compensation execution module through an I/O (Input/Output) interface and a power driving interface. The comprehensive intelligent power distribution system disclosed by the utility model can collect current, voltage, active power, reactive power and power factor of a transformer and power grid frequency in real time, provide state information, accurately meter power supply volume of a public transformer, collect a residential low-voltage carrier electric meter under the jurisdiction of a power distribution transformer in a concentrated manner, and compensate for reactive power.
Description
Technical field
The utility model relates to automation field, especially a kind of intelligent comprehensive distribution system.
Background technology
Along with the fail safe of country to power industry, reliability, efficiency, economy has proposed further high standard requirement.Power department has brought a series of obstruction to the complexity that urban and rural power grids equipment has carried out desk-top transformer of large-scale upgrading, particularly city and corollary equipment thereof to power grid construction, has also influenced city look and feel simultaneously greatly.
The utility model content
To the problems referred to above; The utility model provides a kind of electricity consumption monitoring function that has; Resident's low pressure carrier wave ammeter under distribution transformer administered is concentrated collection; And provide the intelligent comprehensive distribution system of reactive power compensation function, this system can also gather in real time transformer with electricity condition with state information is provided, the amount of power supply of public change is accurately measured.
In order to solve the problems of the technologies described above; The utility model provides a kind of intelligent comprehensive distribution system, comprises digital signal processor, it is characterized in that; Also comprise the voltage/current acquisition module; The output of this voltage/current acquisition module is connected with the input of signal conditioning circuit, and the output of this signal conditioning circuit is connected with the first input end of said digital signal processor, also two-way first to the 3rd microcontroller that is connected with of this digital signal processor;
Two-way RS485 communication interface and the human-computer interaction interface that is used to upload data that be connected with of said first microcontroller; First output of first microcontroller is connected with the input of optical relay; The output of this optical relay is connected with the input of control switch, and second output of this first microcontroller is connected with the input of memory;
Two-way RS485 interface and the power line carrier module that is used for concentrating image data that be connected with of said second microcontroller, said power line carrier module also receives the energy data of electric energy meter;
Said the 3rd microcontroller is connected with the I/O interface, and this I/O interface is connected with power drive interface, and this power drive interface is connected with the input of reactive power compensation Executive Module.
The also two-way wireless communication module that is used for wireless telecommunications that is connected with of said first microcontroller, first microcontroller also receives various state quantity signals through photoelectric isolation module.
Two-way being connected with of said second microcontroller is used for ammeter data is concentrated the wireless module of gathering.
The good effect of the utility model is: have the electricity consumption monitoring function, can gather electric current, voltage, active power, reactive power, the power factor of transformer electricity consumption in real time, grid cyclic wave; Information such as state such as overvoltage, under-voltage, the phase failure, phase shortage, excess load, current imbalance, earth leakage protective are provided, the amount of power supply of public change is accurately measured; Resident's low pressure carrier wave ammeter under distribution transformer administered is concentrated collection, and the intelligent comprehensive distribution management device of reactive power compensation function is provided.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Embodiment
Below in conjunction with specific embodiment the utility model is done further explain.
As shown in Figure 1; A kind of intelligent comprehensive distribution system; Comprise digital signal processor, also comprise voltage/current acquisition module and signal conditioning circuit, this voltage/current acquisition module is No. three current transformers and No. three voltage transformers; Signal conditioning circuit is six road signal conditioning circuits; The output of said No. three current transformers and No. three voltage transformers and the input of six road signal conditioning circuits, the output of this signal conditioning circuit is connected with the first input end of said digital signal processor, also two-way first to the 3rd microcontroller that is connected with of this digital signal processor; Wherein two-way RS485 communication interface and the human-computer interaction interface that is used to upload data that be connected with of first microcontroller can be realized showing and function being set through human-computer interaction interface, and control command is set.First output of first microcontroller is connected with the input of optical relay, and the output of this optical relay is connected with the input of control switch, and second output of this first microcontroller is connected with the input of memory; Two-way RS485 interface and the power line carrier module that is used for concentrating image data that be connected with of said second microcontroller, said power line carrier module also receives the energy data of electric energy meter; Said the 3rd microcontroller is connected with the I/O interface, and this I/O interface is connected with power drive interface, and this power drive interface is connected with the input of reactive power compensation Executive Module.The also two-way wireless communication module that is used for wireless telecommunications that is connected with of said first microcontroller, first microcontroller also receives various state quantity signals through photoelectric isolation module.Two-way being connected with of said second microcontroller is used for ammeter data is concentrated the wireless module of gathering.
No. three current transformers and No. three voltage transformers are gathered electric current and voltage signal respectively; And with being transferred to digital signal processor after the signal process correction of signal conditioning circuit of gathering; Digital signal processor is according to carrying out the A/D digital-to-analogue conversion; And the digital signal after the logarithmic mode conversion is carried out data computation and analyzing and processing, two-way exchange, data compression, coding and decoding, error control, fax parameter, compression protocol, control data transmission speed and agreement adjusting that completion is complicated.Gather electric current, voltage, active power, reactive power, the power factor of user power utilization in real time, grid cyclic wave; Information such as state such as overvoltage, under-voltage, the phase failure, phase shortage, excess load, current imbalance are provided; Maximum demand and time of origin thereof are provided; The peripheral unit circuit of digital signal processor assists it to accomplish the function of data/address bus, address bus, control bus; Accomplish data acquisition; After data transaction, data computation are analyzed, give first microcontroller and the 3rd microcontroller with the result transmission of data analysis computing, the 3rd microcontroller combines electrical network actual measurement parameter to judge optimized compensation way; Through the I/O interface compensating signal is transferred to power drive interface, power drive interface driving reactive power compensation Executive Module matees compensation best capacitance, phase splitting compensation way and three-phase automatically mends way altogether.
Memory circuitry is connected with first microcontroller, is used to the data of storing various collections and calculating, and first microprocessor controls stores the result of data analysis computing in the memory into.
Clock chip all is connected with three microcontrollers; Realize between microcontroller and the electric energy meter to the time; Said electric energy meter is connected with the power line carrier module input, and power line carrier module output is connected with second microcontroller, and second microcontroller passes through the RS485 interface or/and wireless module; Realization is to the concentrated collection of each electric energy meter data; Second microcontroller is connected with the input of digital signal processing module, realizes the electric energy meter data centralization is uploaded to first microcontroller, and first microprocessor controls is saved in data in the memory.
Can realize showing and being provided with function through operating man-machine exchange exchange interface; Can be through the operation alternating interface between man and computer through optical relay control control switch; Carry out the load control of electricity consumption: the period control, temporarily ration the power supply control, month electric energy control, purchase electric energy control, a distant place is directly controlled, and has guarantor's electric work ability.
Watchdog chip is connected with three microcontrollers respectively, is used to monitor the microcontroller running state of programs.First microcontroller is connected with the RS485 communication interface, and the realization data are transmitted to the higher level; First microcontroller is connected with wireless communication module, realizes that data are to higher level's wireless transmission; Various quantity of states (I/O switching value status signal) are isolated through photoelectricity and are connected with first microcontroller.
This this system also has following function, does not copy and accept data and carries out data and mend and to copy and warning function: the electric energy meter of not copy reading data in copy reading blanking time of regulation is had to mend copy function; Send warning message through wireless module to main website;
Remote control function:, realize electric energy meter is carried out remote control function through the wireless module transmitting control commands;
This system also has self diagnosis and abnormal information writing function, and abnormal information is recorded in the memory.
Electricity consumption monitoring: gather electric current, voltage, active power, reactive power, the power factor of user power utilization, grid cyclic wave in real time through RS485 communication interface or wireless communication module; Information such as state such as overvoltage, under-voltage, the phase failure, phase shortage, excess load, current imbalance are provided, maximum demand and time of origin thereof are provided;
Load control: support the period control, temporarily ration the power supply control, moon electric energy control, purchase electric energy control, a distant place is directly controlled; Have the electric work of guarantor ability,, load is provided with through the alternating interface between man and computer input of control commands; Through optical relay control control switch, realize load controlling function.
Telecommunication: wireless communication module is supported multiple channel communications such as GPRS/GSM/CDMA/SMS, can regularly report various task datas; Can the various abnormal informations of real-time report;
Abnormal alarm: to the metering device door open or close, incidents such as differential warning, voltage circuit negative phase sequence, electric current reversed polarity, voltage phase failure phase shortage, maximum demand return-to-zero, ammeter stop walking, idle overcompensation, idle undercompensation, the electricity consumption of ultra contract capacity, current imbalance report to the police;
Remote control breaker tripping and closing function: receive the optical relay action of higher level's tripping operation/combined floodgate order back, control corresponding control switch tripping operation/combined floodgate, and record tripping operation/closing time is in memory.The data of storing in the memory block all can be called and check.
The foregoing description of the utility model only is to give an example for what explanation the utility model was done, and is not to be the qualification to the execution mode of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation and changes.Here can't give exhaustive to all execution modes.Conspicuous variation that every technical scheme that belongs to the utility model is amplified out or change still are in the row of the protection range of the utility model.
Claims (3)
1. intelligent comprehensive distribution system; Comprise digital signal processor; It is characterized in that, also comprise the voltage/current acquisition module, the output of this voltage/current acquisition module is connected with the input of signal conditioning circuit; The output of this signal conditioning circuit is connected with the first input end of said digital signal processor, also two-way first to the 3rd microcontroller that is connected with of this digital signal processor;
Two-way RS485 communication interface, the human-computer interaction interface that is used to upload data that be connected with of said first microcontroller; First output of first microcontroller is connected with the input of optical relay; The output of this optical relay is connected with the input of control switch, and second output of this first microcontroller is connected with the input of memory;
Two-way RS485 interface and the power line carrier module that is used for concentrating image data that be connected with of said second microcontroller, said power line carrier module also receives the energy data of electric energy meter;
Said the 3rd microcontroller is connected with the I/O interface, and this I/O interface is connected with power drive interface, and this power drive interface is connected with the input of reactive power compensation Executive Module.
2. intelligent comprehensive distribution system according to claim 1 is characterized in that, the also two-way wireless communication module that is used for wireless telecommunications that is connected with of said first microcontroller, and first microcontroller also receives various state quantity signals through photoelectric isolation module.
3. intelligent comprehensive distribution system according to claim 1 is characterized in that, two-way being connected with of said second microcontroller is used for ammeter data is concentrated the wireless module of gathering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205051529U CN202340150U (en) | 2011-12-07 | 2011-12-07 | Comprehensive intelligent power distribution system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011205051529U CN202340150U (en) | 2011-12-07 | 2011-12-07 | Comprehensive intelligent power distribution system |
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| CN202340150U true CN202340150U (en) | 2012-07-18 |
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| CN2011205051529U Expired - Fee Related CN202340150U (en) | 2011-12-07 | 2011-12-07 | Comprehensive intelligent power distribution system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103427490A (en) * | 2013-08-20 | 2013-12-04 | 国家电网公司 | Auxiliary industrial control system for large transformer substation |
| CN103904780A (en) * | 2014-04-29 | 2014-07-02 | 武汉双微电气科技有限公司 | Node information processor based on low-voltage distribution network |
| CN104217570A (en) * | 2013-06-04 | 2014-12-17 | 国家电网公司 | Power line carrier meter reading system |
| CN106160233A (en) * | 2016-08-25 | 2016-11-23 | 镇江大全赛雪龙牵引电气有限公司 | A kind of modularized dc tractive power supply system DC side monitoring and protection system |
| CN113162057A (en) * | 2021-03-30 | 2021-07-23 | 国网河北省电力有限公司雄安新区供电公司 | Intelligent ammeter box and control method thereof |
-
2011
- 2011-12-07 CN CN2011205051529U patent/CN202340150U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217570A (en) * | 2013-06-04 | 2014-12-17 | 国家电网公司 | Power line carrier meter reading system |
| 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 |
| CN103427490A (en) * | 2013-08-20 | 2013-12-04 | 国家电网公司 | Auxiliary industrial control system for large transformer substation |
| CN103904780A (en) * | 2014-04-29 | 2014-07-02 | 武汉双微电气科技有限公司 | Node information processor based on low-voltage distribution network |
| CN106160233A (en) * | 2016-08-25 | 2016-11-23 | 镇江大全赛雪龙牵引电气有限公司 | A kind of modularized dc tractive power supply system DC side monitoring and protection system |
| CN113162057A (en) * | 2021-03-30 | 2021-07-23 | 国网河北省电力有限公司雄安新区供电公司 | Intelligent ammeter box and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING DIANJIANG POWER SUPPLY LLC Free format text: FORMER NAME: CHONGQING YINGHUA ELECTRIC SWITCH CO., LTD. |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Qing Inventor after: Liu Zhihong Inventor after: Wei Yongxin Inventor after: Liu Xie Inventor after: Zhou Daojuan Inventor after: Zhang Fabin Inventor after: Qiang Jianping Inventor after: Chen Dong Inventor after: Lin Bo Inventor after: Qiu Hong Inventor after: Dai Hui Inventor before: Liu Xie Inventor before: Liu Zhihong Inventor before: Wei Yongxin Inventor before: Wang Qing Inventor before: Zhou Daojuan Inventor before: Zhang Fabin Inventor before: Qiang Jianping Inventor before: Chen Dong Inventor before: Lin Bo Inventor before: Qiu Hong Inventor before: Dai Hui |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU XIE WANG QING ZHOU DAOJUAN ZHANG FABIN QIANG JIANPING CHEN DONG LIN BO QIU HONG DAI HUI LIU ZHIHONG WEI YONGXIN TO: WANG QING LIU XIE ZHOU DAOJUAN ZHANG FABIN QIANG JIANPING CHEN DONG LIN BO QIU HONG DAI HUI LIU ZHIHONG WEI YONGXIN |
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| CP03 | Change of name, title or address |
Address after: 408300 Chongqing Dianjiang County transit road Patentee after: Chongqing Dianjiang Power Supply Co., Ltd. Patentee after: Chongqing City Electrical Power Co. Patentee after: Chongqing Yinghua Electric Switch Co., Ltd. Address before: 401121 fortune Avenue, Chongqing, Yubei District, No. 16 Patentee before: Chongqing Yinghua Electric Switch Co., Ltd. Patentee before: Chongqing City Electrical Power Co. Patentee before: Chongqing Dianjiang Power Supply Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: CHONGQING DIANJIANG POWER SUPPLY LLC Effective date: 20130717 Owner name: CHONGQING DIANJIANG POWER SUPPLY LLC CHONGQING CIT Free format text: FORMER OWNER: CHONGQING CITY ELECTRICAL POWER CO. CHONGQING YINGHUA ELECTRIC SWITCH CO., LTD. Effective date: 20130717 |
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Free format text: CORRECT: ADDRESS; FROM: 408300 DIANJIANG, CHONGQING TO: 100031 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130717 Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: Chongqing Dianjiang Power Supply Co., Ltd. Patentee after: Chongqing City Electrical Power Co. Patentee after: Chongqing Yinghua Electric Switch Co., Ltd. Address before: 408300 Chongqing Dianjiang County transit road Patentee before: Chongqing Dianjiang Power Supply Co., Ltd. Patentee before: Chongqing City Electrical Power Co. Patentee before: Chongqing Yinghua Electric Switch Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20151207 |
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