CN202600962U - Electric meter reading system based on optical fiber communication - Google Patents
Electric meter reading system based on optical fiber communication Download PDFInfo
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- CN202600962U CN202600962U CN 201220208606 CN201220208606U CN202600962U CN 202600962 U CN202600962 U CN 202600962U CN 201220208606 CN201220208606 CN 201220208606 CN 201220208606 U CN201220208606 U CN 201220208606U CN 202600962 U CN202600962 U CN 202600962U
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Abstract
The utility model discloses an electric meter reading system based on optical fiber communication, which comprises a collector and a concentrator, wherein the collector comprises a collecting module which is used for collecting message data from an intelligent electric meter; the collecting module is connected with an electro-optic switching interface through a first physical layer interface module; a light signal outputted from the electro-optic switching interface is sent to the concentrator through an optical fiber; the concentrator comprises a photoelectric switching interface; and a difference electrical signal outputted by the photoelectric switching interface is demodulated by a second physical layer interface module, and then the message data is restored and is sent to a processor module. According to the electric meter reading system based on optical fiber communication, a carrier communication mode between the collector and the concentrator is changed into an optical fiber communication mode; the optical fiber communication is long in transmission distance and is not influenced by electromagnetic interference; the quality and the stability of the data transmission of the electric meter reading system are enhanced; and due to the insulating property of the optical fiber material, an extra isolating circuit does not need to be added between terminals and the structure of the whole electric meter reading system is simplified.
Description
Technical field
The utility model relates to a kind of electric power centralized meter-reading system, especially a kind of electric power centralized meter-reading system based on optical fiber communication.
Background technology
The low-voltage power collection technology of copying is that the low-voltage power client concentrates the automatic data logging technology, is the important component part that intelligent grid is built, and its objective is resident's the life for ease and the service quality of raising power department.The communications portion of existing low-voltage power centralized meter-reading system mainly adopts 485 traditional serial communications, power line carrier communication or remote radio communication mode GPRS/CDMA.These communication modes respectively have characteristics; But they all receive the influence of electromagnetic compatibility, and channel quality receives the restriction of transmission range and environment, and data security also receives the influence of signal; And be applied in the comparatively complicated electric system of electromagnetic environment, particularly can't use China's national situation.Because it is centralized residential quarter mostly that Chinatown keeps the residence building under control, the shelter high concentration, circuit serious interference between the user, electromagnetic environment is complicated, and is bigger to the influence of data transmission, takes place easily to leak to copy and error.Receive the restriction of distance like 485 protocol communications, power line carrier communication receives the power line transmission environmental disturbances bigger, and remote radio communication receives electromagnetic environment and customer volume size to influence bigger.And these communication modes all have metal section and part with the external interface that the centralized automatic meter-reading terminal links, and have increased the isolation difficulty inner with meter reading terminal virtually.
The utility model content
The technical matters that the utility model will solve is: a kind of electric power centralized meter-reading system based on optical fiber communication is provided, and this centralized meter-reading system adopts the Optical Fiber Transmission mode that does not receive electromagnetic interference effect, improves communication quality.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of electric power centralized meter-reading system based on optical fiber communication; Comprise collector and concentrator; Said collector comprises the acquisition module of gathering message data from intelligent electric meter; Said acquisition module is connected with an electrical-optical conversion interface through first PLIM; The light signal of said electrical-optical conversion interface output is sent to concentrator through optical fiber, and said concentrator comprises the opto-electronic conversion interface, and the differential electric signal of said opto-electronic conversion interface output is reduced message data and message data is sent to processor module after the second PLIM demodulation.
Further as preferred embodiment, said first PLIM and second PLIM all adopt the physical chip KSZ8001 that supports optical fiber communication.
Further, adopt the communication mode of single fiber bi-directional between said opto-electronic conversion interface and the electrical-optical conversion interface as preferred embodiment.
Further, adopt two fine two-way communication modes between said opto-electronic conversion interface and the electrical-optical conversion interface as preferred embodiment.
Further, also be provided with optical fiber switch between said collector and the concentrator as preferred embodiment.
The beneficial effect of the utility model is: the utility model is based on the electric power centralized meter-reading system of optical fiber communication; Carrier communication mode between original collector and the concentrator is replaced by the optical fiber communication mode, the fiber-optic communications traffic distance, and do not receive the influence of electromagnetic interference (EMI); The quality and the stability of the data transmission of electric power centralized meter-reading system have been strengthened; And, simplified the structure of whole centralized meter-reading system because the insulating property of fiber optic materials need not increase extra buffer circuit between each terminal.
Description of drawings
Fig. 1 is the theory diagram of the utility model based on the electric power centralized meter-reading system of optical fiber communication;
Fig. 2 is the synoptic diagram of the utility model electric power centralized meter-reading system data processing;
Fig. 3 is the structural representation of the utility model preferred embodiment.
Embodiment
Be described further below in conjunction with the embodiment of accompanying drawing the utility model:
The utility model electric power collection is copied and is converted original carrier communication mode between concentrator and the collector into optical fiber communication.
With reference to Fig. 1; A kind of electric power centralized meter-reading system based on optical fiber communication; Comprise collector 10 and concentrator 20; Said collector 10 comprises the acquisition module 11 of gathering message data from intelligent electric meter, and said acquisition module 11 is connected with an electrical-optical conversion interface 13 through first PLIM 12, and the light signal of said electrical-optical conversion interface 13 outputs is sent to concentrator 20 through optical fiber 30; Said concentrator 20 comprises opto-electronic conversion interface 21, and the differential electric signal of said opto-electronic conversion interface 21 outputs is reduced message data and message data is sent to processor module 23 after 22 demodulation of second PLIM.
With reference to Fig. 2, the treatment scheme of the utility model data is following:
In an embodiment, said first PLIM 12 and second PLIM 22 all adopt the physical chip KSZ8001 that supports optical fiber communication.
Preferably; Adopt the communication mode of single fiber bi-directional between said opto-electronic conversion interface 21 and the electrical-optical conversion interface 13; The carrier signal of promptly utilizing the light of two kinds of mutually noninterfere wavelength (is respectively that 1310nm and 1550nm are example with transmitting-receiving carrier wave optical wavelength) to make receiving and transmitting signal is transmitted the requirement of assurance full duplex transmission on same optical fiber.Also can adopt two fine two-way communication modes between said opto-electronic conversion interface 21 and the electrical-optical conversion interface 13, promptly utilize light, make receiving and transmitting signal independently transmit on the optical fiber, reach the full duplex transmission requirement at two with a kind of wavelength.
With reference to Fig. 3; In the preferred embodiment of the present invention; Each collector is connected with a plurality of ammeters through switch, collector from ammeter gather to message data respectively through Optical Fiber Transmission to optical fiber switch, optical fiber switch is connected with concentrator through optical fiber; The message data from collector that concentrator will receive sends to main website, has constituted the electric power centralized meter-reading system based on optical fiber communication.
The utility model electric power centralized meter-reading system adopts optical fiber communication, and transmission speed is not limited by hardware environment, and has overcome the influence of electromagnetic interference (EMI), has remedied the deficiency of twisted-pair feeder or coaxial cable communication mode.The light signal loss is relevant with the used material of optical fiber, do not receive electromagnetic interference effect basically, and fiber optic materials is light than cable, lays easily.Adopt the single fiber bi-directional transmission mode can satisfy transmission speed, can save cost again.And the fiber optic materials principal ingredient is plastics or quartzy, belongs to insulating material, directly is connected with concentrator with collector, has saved the design of buffer circuit.
More than be that preferable enforcement to the utility model specifies; But the utility model is created and is not limited to said embodiment; Those of ordinary skill in the art can also make all equivalent variations or replacement under the prerequisite of the utility model spirit, distortion that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (5)
1. electric power centralized meter-reading system based on optical fiber communication; Comprise collector (10) and concentrator (20); It is characterized in that: said collector (10) comprises the acquisition module (11) of gathering message data from intelligent electric meter; Said acquisition module (11) is connected with an electrical-optical conversion interface (13) through first PLIM (12); The light signal of said electrical-optical conversion interface (13) output is sent to concentrator (20) through optical fiber (30); Said concentrator (20) comprises opto-electronic conversion interface (21), and the differential electric signal of said opto-electronic conversion interface (21) output is reduced message data and message data is sent to processor module (23) after second PLIM (22) demodulation.
2. a kind of electric power centralized meter-reading system based on optical fiber communication according to claim 1 is characterized in that: said first PLIM (12) and second PLIM (22) all adopt the physical chip KSZ8001 that supports optical fiber communication.
3. a kind of electric power centralized meter-reading system based on optical fiber communication according to claim 1 is characterized in that: the communication mode that adopts single fiber bi-directional between said opto-electronic conversion interface (21) and the electrical-optical conversion interface (13).
4. a kind of electric power centralized meter-reading system based on optical fiber communication according to claim 1 is characterized in that: adopt two fine two-way communication modes between said opto-electronic conversion interface (21) and the electrical-optical conversion interface (13).
5. a kind of electric power centralized meter-reading system based on optical fiber communication according to claim 1 is characterized in that: also be provided with optical fiber switch between said collector (10) and the concentrator (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208606 CN202600962U (en) | 2012-05-10 | 2012-05-10 | Electric meter reading system based on optical fiber communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208606 CN202600962U (en) | 2012-05-10 | 2012-05-10 | Electric meter reading system based on optical fiber communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202600962U true CN202600962U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220208606 Expired - Fee Related CN202600962U (en) | 2012-05-10 | 2012-05-10 | Electric meter reading system based on optical fiber communication |
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| CN (1) | CN202600962U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647730A (en) * | 2013-12-31 | 2014-03-19 | 李建新 | Electricity consumption information communication system |
| CN103680123A (en) * | 2013-02-05 | 2014-03-26 | 北京南瑞智芯微电子科技有限公司 | Method for reading intelligent electric meter, as well as system and plastic optical fiber multiplexer/de-multiplexer |
| CN106548615A (en) * | 2016-12-08 | 2017-03-29 | 广东汇海华天科技有限公司 | A kind of collection for electricity meter-reading copies communicator |
-
2012
- 2012-05-10 CN CN 201220208606 patent/CN202600962U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680123A (en) * | 2013-02-05 | 2014-03-26 | 北京南瑞智芯微电子科技有限公司 | Method for reading intelligent electric meter, as well as system and plastic optical fiber multiplexer/de-multiplexer |
| CN103647730A (en) * | 2013-12-31 | 2014-03-19 | 李建新 | Electricity consumption information communication system |
| CN103647730B (en) * | 2013-12-31 | 2016-06-22 | 李建新 | A kind of power information communication system |
| CN106548615A (en) * | 2016-12-08 | 2017-03-29 | 广东汇海华天科技有限公司 | A kind of collection for electricity meter-reading copies communicator |
| CN106548615B (en) * | 2016-12-08 | 2020-09-15 | 广东汇海华天科技有限公司 | Centralized meter reading communicator for electric power meter reading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG ZHONGYU TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHONGYU SCIENCE + TECHNOLOGY CO., LTD., GUANGDONG |
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| CP03 | Change of name, title or address |
Address after: 511495 Guangdong city of Guangzhou province Panyu District zhongcunzhen Pingshan Village (office building No. 2) Patentee after: GUANGDONG ZHONGYU TECHNOLOGY CO., LTD. Address before: A street in Guangdong city of Guangzhou province Panyu District 511495 cliff Street Xinghong Patentee before: Zhongyu Science & Technology Co., Ltd., Guangdong |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20180510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |