CN104600688A - Overvoltage suppression comprehensive device with GPRS (general packet radio service) wireless communication function - Google Patents
Overvoltage suppression comprehensive device with GPRS (general packet radio service) wireless communication function Download PDFInfo
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- CN104600688A CN104600688A CN201510085678.9A CN201510085678A CN104600688A CN 104600688 A CN104600688 A CN 104600688A CN 201510085678 A CN201510085678 A CN 201510085678A CN 104600688 A CN104600688 A CN 104600688A
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Abstract
The invention discloses an overvoltage suppression comprehensive device with a GPRS (general packet radio service) wireless communication function. The overvoltage suppression comprehensive device comprises a core control unit, a signal collection unit, a GPRS communication unit and an output alarming unit, the core control unit is connected with the signal collection unit which is connected in a power system through a high-accuracy sensor, and the GPRS communication unit is connected with the core control unit through an RS232 communication interface. When the power system runs, the signal collection unit monitors power parameters of the system, and judgment is made by the core control unit after AD conversion; when the power system is in an overvoltage, resonance or grounding failure, the output alarming unit is controlled for acousto-optic alarming, and the GPRS communication module sends failure information to a data management server in a short-message form. The GPRS communication function is integrated in the overvoltage suppression comprehensive device, so that reliability and timeliness of remote transmission of the failure information are improved effectively, routing in a cabinet is reduced, and construction difficulty is lowered.
Description
Technical field
There is an Overvoltage suppressing integration unit for GPRS radio communication function, relate to the technology of a kind of novel packet data transmission business of high-voltage electric power system, specifically a kind of Overvoltage suppressing integration unit with GPRS radio communication function.
Background technology
Along with electric network reconstruction progressively deeply, the high speed development of power matching network technology, science, economy, effectively controls operation of power networks, progressively must realize, improve distribution automation level.GPRS wireless communication system, support the grouping packet switch function of wireless mode, it is always online, and fast transport, the feature of charging by flow, well meet the demand of parameters of electric power transfer of data.At present, the communication mode of data acquisition node and distribution control centre, mainly constant transmissions and on-site data gathering.The wire transmission such as RS485, optical fiber is used to relate to the series of problems such as cable wiring manufacture, construction cost, safety and reliability; The release of GPRS wireless communication system makes this difficult problem be readily solved, and can overcome above shortcoming.Ensure transfer of data timely, accurately under prerequisite, system cloud gray model expense is also reduced to minimum;
GPRS wireless communication technology is incorporated voltage by this device to be suppressed in integration unit, thus ensure that system failure information can be transmitted at a distance, in time, reliably.
Summary of the invention
The present invention is for above-mentioned weak point, provides a kind of Overvoltage suppressing integration unit with GPRS radio communication function, has reasonability, completeness and fail safe.Its structural scheme is as follows:
1, have an Overvoltage suppressing integration unit for GPRS radio communication function, it comprises key control unit, signal gathering unit, GPRS communication unit, acousto-optic output alarm unit; It is characterized in that: key control unit is connected with signal gathering unit; Key control unit is connected with GPRS module by RS232 communication interface, and GPRS module sends fault message to data management server by GPRS network;
2, described key control unit is the core of whole device, and be made up of data processing module and harmonic elimination circuit, harmonic elimination circuit is connected with data processing module by internal bus; Main Function is, described key control unit is from data acquisition unit Real-time Obtaining parameters of electric power system; When resonance fault appears in electric power system, key control unit driver output alarm unit carries out sound and light alarm, and harmonic elimination circuit module starts, and eliminates resonance fault; And control GPRS module fault message is sent to data management server by GPRS transmitter module;
3, described signal gathering unit, is made up of high-precision sensor and A/D convertor circuit.High-precision sensor is connected with voltage transformer secondary side in electric power system, parameters of electric power in Real-time Collection electric power system; Other end A/D convertor circuit is connected with key control unit, and the parameters of electric power of collection is sent to key control unit;
4, described GPRS communication unit is made up of GPRS transmitter module and GPRS drive circuit; GPRS communication unit is connected with the data processing module in described key control unit by RS232 communication interface, and GPRS drive circuit is directly connected with GPRS transmitter module; Main Function is, when system jam, GPRS communication unit utilizes GPRS network, system failure information is sent to data management server with the form of note, reduces to fault message, processes, shows and store;
5, described output alarm unit, is made up of alarm lamp, buzzer and drive circuit, and drive circuit one end is connected with key control unit, and the other end is connected with alarm lamp, buzzer by winding displacement, carries out sound and light alarm to the system failure.
Beneficial effect of the present invention:
Suppress, in integration unit, to have effectively achieved fault message and transmit at a distance, reliably, timely, optimize system wiring, reduce difficulty of construction, reduce cost because GPRS wireless communication technology is incorporated voltage by this device.
Accompanying drawing explanation
A kind of Overvoltage suppressing integration unit structural representation with GPRS radio communication function of Fig. 1.
In figure: 1, key control unit; 2, signal gathering unit; 3, GPRS communication unit 4, output alarm unit; 5, data processing module; 6, harmonic elimination circuit; 7, GPRS drive circuit; 8, GPRS transmitter module.
Embodiment
Overvoltage suppressing integration unit see a kind of GPRS of having radio communication function of Fig. 1: include key control unit 1, signal gathering unit 2, GPRS communication unit 3, output alarm unit 4 form;
Described key control unit 1 is directly connected with signal gathering unit 2, when electric power system normally runs, and described signal gathering unit 2 real-time acquisition system parameters of electric power; When system generation resonance fault, the data processing module 5 failure judgement type in described key control unit 1, eliminate resonance fault as then started harmonic elimination circuit 6 during needs, driver output alarm unit 4 carries out sound and light alarm; Fault data is sent to GPRS communication unit 3 by RS232 serial communication by data processing module 5 simultaneously, GPRS drive circuit 7 in described GPRS communication unit 3 drives GPRS transmitter module 8 to pass through GPRS network, fault message be sent to data management server with note form, fault data is reduced, process, show and store;
Described key control unit 1 is the core of whole device, on the one hand the signal that described signal gathering unit 2 is sent here is processed, and the system failure is eliminated, the action of described output alarm unit 4 and control GPRS communication unit 3 also will be driven in addition to carry out transfer of data.
Claims (1)
1. one kind has the Overvoltage suppressing integration unit of GPRS radio communication function, it comprises key control unit, signal gathering unit, GPRS communication unit, output alarm unit, it is characterized in that, described key control unit is connected with signal gathering unit, described signal gathering unit accesses electric power system by high-precision sensor, carry out the collection of parameters of electric power, described GPRS module is connected with key control unit by communication interface RS232; Fault data is passed through GPRS network delivery to data management server by GPRS communication unit; Above-mentioned each unit also has following characteristics:
(1) described key control unit is the core of whole device, is made up of data processing module and harmonic elimination circuit; Harmonic elimination circuit is connected with data processing module by internal bus; The data that data processing module sends in real time according to signal gathering unit, judge system mode; When there is resonance fault, data processing module drives harmonic elimination circuit, eliminates system resonance fault;
(2) described signal gathering unit, be made up of high-precision sensor and A/D convertor circuit, high-precision sensor signals collecting end is connected with voltage transformer secondary side in electric power system, and the other end is connected with the data processing module in described key control unit by A/D convertor circuit;
(3) described GPRS communication unit is made up of GPRS transmitter module and GPRS drive circuit, and GPRS communication unit is connected with the data processing module in described key control unit by RS232 communication interface, and GPRS drive circuit is directly connected with GPRS transmitter module; When system jam, GPRS communication unit utilizes GPRS network, system failure information is sent to data management server with the form of note, reduces to fault message, processes, shows and store;
(4) described output alarm unit, is made up of alarm lamp, buzzer and drive circuit; Drive circuit one end is connected with key control unit, and the other end is connected with alarm lamp, buzzer by winding displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085678.9A CN104600688A (en) | 2015-02-17 | 2015-02-17 | Overvoltage suppression comprehensive device with GPRS (general packet radio service) wireless communication function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510085678.9A CN104600688A (en) | 2015-02-17 | 2015-02-17 | Overvoltage suppression comprehensive device with GPRS (general packet radio service) wireless communication function |
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| CN104600688A true CN104600688A (en) | 2015-05-06 |
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| CN201510085678.9A Pending CN104600688A (en) | 2015-02-17 | 2015-02-17 | Overvoltage suppression comprehensive device with GPRS (general packet radio service) wireless communication function |
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| CN203103918U (en) * | 2012-12-24 | 2013-07-31 | 上海合凯电气科技有限公司 | Device for eliminating resonance of voltage mutual inductor |
| CN204464982U (en) * | 2015-02-17 | 2015-07-08 | 安徽巨森电器有限公司 | A kind of Overvoltage suppressing integration unit with GPRS radio communication function |
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2015
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Patent Citations (7)
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| CN2702502Y (en) * | 2004-03-04 | 2005-05-25 | 保定浪拜迪电气股份有限公司 | A ferromagnetic resonance diagnostic eliminator of voltage transformer |
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| CN203103918U (en) * | 2012-12-24 | 2013-07-31 | 上海合凯电气科技有限公司 | Device for eliminating resonance of voltage mutual inductor |
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Application publication date: 20150506 |