CN205179041U - Concentrator communication device among three -phase power line communication system - Google Patents
Concentrator communication device among three -phase power line communication system Download PDFInfo
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- CN205179041U CN205179041U CN201520814627.0U CN201520814627U CN205179041U CN 205179041 U CN205179041 U CN 205179041U CN 201520814627 U CN201520814627 U CN 201520814627U CN 205179041 U CN205179041 U CN 205179041U
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Abstract
The utility model discloses a concentrator communication device among three -phase power line communication system, include data processing control unit and the memory cell who links to each other with it, wherein be equipped with among the memory cell and take EEPROM EEPROM and ram DRAM, owing to stocked a large amount of interim dynamic information in DRAM to reduce erasable to EEPROM, increased concentrator communication device's life -span.
Description
Technical field
The utility model relates to electric line communication system field, is specifically related to the concentrator communicator in a kind of three-phase power line communication system.
Background technology
Concentrator signal equipment in three-phase power wire system, owing to needing carrying out from equipment of being managed by its lower hanging tube, data are copied and accepted, archives storage, route generate, also to preserve this node and the signal intelligence from node, as the content such as communication signal strength, routing iinformation simultaneously.Therefore, concentrator storing frequencies, store information capacity requirements be far longer than ordinary node.
Memory cell in current three-phase power wire center communicator, generally bear information by this memory element having certain erasable number of times to limit of EEPROM or FLASH to store and reading task, because a large amount of temporary information or multidate information need regularly to upgrade, thus cause EEPROM or FLASH often erasable, memory cell is easily damaged, and whole concentrator is often needed repairing, change components and parts, add human cost.
Utility model content
The purpose of this utility model is to solve the problems of the prior art, provides the concentrator communicator in a kind of three-phase power line communication system, to improve memory element service life, concentrator communicator maintenance cycle is extended, and human cost reduces.
For reaching above-mentioned purpose, the utility model adopts following technical scheme:
A concentrator communicator in three-phase power line communication system, the memory cell comprising data processing control units He be attached thereto, is provided with band EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM, is also provided with random access memory DRAM in memory cell; Controlled temporary information or multidate information to write random access memory DRAM by data processing control units, significant data and stable data are stored in band EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM.
Technical scheme described in the utility model is relative to prior art, and the beneficial effect obtained is:
The utility model is by controlling a large amount of temporary information or multidate information to be stored into almost without the DRAM of read-write number of times restriction at data processing control units, thus the erasable frequency reduced EEPROM, improve memory element service life, concentrator communicator maintenance cycle is extended, and human cost reduces.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is this novel concentrator communicator circuit module logical schematic;
Fig. 2 is data processing control units and memory cell annexation figure.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, communicator in a kind of three-phase power line communication system described in the utility model, comprises data processing control units, carrier wave receiving circuit, carrier wave transtation mission circuit and power module, low-voltage testing circuit, zero cross detection circuit, data sends indicating circuit, data receiver indicating circuit, memory circuit, external serial communication circuit, serial data sends indicating circuit, serial data receives indicating circuit.The power end of described power module is connected to the power end of data processing control units, for data processing control units and the circuit module that is connected to data processing control units are powered; The output of described carrier wave receiving circuit is connected to the input of data processing control units; The input of described carrier wave transtation mission circuit is connected to the output of data processing control units; The output of described zero cross detection circuit is connected to the input of data processing control units; The input of described data transmission indicating circuit is connected to the output of data processing control units; The input of described data receipt unit is connected to the output of data processing control units; The input/output terminal of described memory circuit is connected to the I/O of data processing control units; The input/output terminal of described external serial communication circuit is connected to the I/O of data processing control units; The input of described serial data transmission indicating circuit is connected to the output of data processing control units, and the input of described serial data reception indicating circuit is connected to the output of data processing control units.
The major function of described data processing control units has: gather the carrier signal on carrier wave receiving circuit and process accordingly; Generate carrier signal and be sent to carrier wave transtation mission circuit; The collection of zero cross signal also processes accordingly; Determine that current data transmits and receives state and controls indicating circuit; Read-write memory circuit; Carry out serial communication to outer setting and carry out corresponding process; The collection of low-voltage signal also processes accordingly.
The major function of described carrier wave receiving circuit sends data processing control units to after the carrier signal listened to from three-phase power line is carried out analog-to-digital conversion.
The major function of described carrier wave transtation mission circuit is that the digital signal transmitted data processing control units carries out digital-to-analogue conversion and signal amplifies, and the carrier signal after amplifying is sent to three-phase power line.
The power end of described power module is connected to the power end of data processing control units, for data processing control units and the circuit module that is connected to data processing control units are powered.
Whether the operating voltage of described low-voltage testing circuit detection data processing control units goes out the situation of low pressure, if so, then sends low pressure detecting signal to data processing control units.
The major function of described zero cross detection circuit detects certain phase voltage whether zero crossing of power line, and send testing result to data processing control units.
The major function that described data send indicating circuit is that designation data sends state, and also namely when data processing control units is under data transmission state, control data sends indicating circuit lighting, and instruction is in data and sends state.
The major function of described data receiver indicating circuit is designation data accepting state, and also namely when data processing control units is under data receiving state, control data receives indicating circuit lighting, and instruction is in data receiving state.
The major function of described memory circuit is the data storing the storage of data processing control units needs.
The major function of described external serial communication circuit is for data processing control units provides the interface carrying out serial communication with external equipment.
Described serial data sends the state that indicating circuit is mainly used in indicating serial data to send, and namely whether communication module carries out serial data transmission.
Described serial data receives the state that indicating circuit is mainly used in indicating serial data to receive, and namely whether communication module carries out serial data reception.
As shown in Figure 2, data processing control units is connected with DRAM (random access memory), the EEPROM (band EEPROM (Electrically Erasable Programmable Read Only Memo)) of memory cell, interim, dynamic data are stored in DRAM, significant data and stable data are stored in band EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM.Wherein, DRAM does not does not almost read and write the restriction of number of times, namely reads and writes the useful life not affecting DRAM yet, but during power down, DRAM data can be lost, and therefore this memory is only applicable to store interim, dynamic data.EEPROM then power down time the data that store can not lose, but useful life of erasable times influence EEPROM, be therefore only applicable to store important, stable data.
Because data processing control units controls a large amount of temporary information or multidate information to be stored into almost without the DRAM of read-write number of times restriction, thus the erasable frequency reduced EEPROM, improve memory element service life, concentrator communicator maintenance cycle is extended, human cost reduces.
Claims (1)
1. the concentrator communicator in three-phase power line communication system, the memory cell comprising data processing control units He be attached thereto, is provided with band EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM in memory cell; It is characterized in that:
Random access memory DRAM is also provided with in memory cell;
Controlled temporary information or multidate information to write random access memory DRAM by data processing control units, significant data and stable data are stored in band EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520814627.0U CN205179041U (en) | 2015-10-20 | 2015-10-20 | Concentrator communication device among three -phase power line communication system |
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| CN201520814627.0U CN205179041U (en) | 2015-10-20 | 2015-10-20 | Concentrator communication device among three -phase power line communication system |
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| CN205179041U true CN205179041U (en) | 2016-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888596A (en) * | 2019-06-25 | 2020-03-17 | 北京华虹集成电路设计有限责任公司 | File erasing method and device for Flash storage area |
| CN111142777A (en) * | 2018-11-03 | 2020-05-12 | 广州市明领信息科技有限公司 | Big data storage system |
-
2015
- 2015-10-20 CN CN201520814627.0U patent/CN205179041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142777A (en) * | 2018-11-03 | 2020-05-12 | 广州市明领信息科技有限公司 | Big data storage system |
| CN110888596A (en) * | 2019-06-25 | 2020-03-17 | 北京华虹集成电路设计有限责任公司 | File erasing method and device for Flash storage area |
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