CN2862220Y - Remote meter reading and interface device for network of power line - Google Patents
Remote meter reading and interface device for network of power line Download PDFInfo
- Publication number
- CN2862220Y CN2862220Y CN 200520125818 CN200520125818U CN2862220Y CN 2862220 Y CN2862220 Y CN 2862220Y CN 200520125818 CN200520125818 CN 200520125818 CN 200520125818 U CN200520125818 U CN 200520125818U CN 2862220 Y CN2862220 Y CN 2862220Y
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- ammeter
- electric power
- meter reading
- remote meter
- interface
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model relates to an interface device for both remote electric metering and power line communication (PLC). It includes an electric meter installed the electric line of customers and an electric meter reader. The data output of the electric meter is connected with the input of the electric meter reader, and the output of the electric meter reader is connected with a remote electric metering transmission line. The utility model further comprises a power modem interface circuit and a power bridge. The input of the power modem interface circuit is connected to the power utilization terminal of the customer, and its output is connected with network lines by the power bridge to allow the customer to have access to the internet. The utility model is advantageous in that it realizes both remote electric meter data transmission and PLC service, sharing the same local power line network with minimum cost.
Description
Technical field:
The utility model relates to the interface arrangement that a kind of remote meter reading and power line communications are used.
Prior art
In the intelligentized engineering in sub-district, electric power remote meter reading and online network separate.Remote meter reading adopts one to overlap independently bus, and network also need be laid another set of bus, and therefore construction that repeats and investment must bring many troubles and spending to the user.
Summary of the invention
The purpose of this utility model is the interface arrangement that will provide a kind of remote meter reading and power line communications to use, and it had both helped the user and has realized long-range ammeter data transmission by existing grid line, and the service of power line communications can also be provided for the user simultaneously.
The interface arrangement that remote meter reading of the present utility model and power line communications are used, comprise ammeter and the ammeter data collector that is connected on the user power utilization circuit is installed, the data output end of ammeter is connected with the input end of ammeter data collector, the output terminal of ammeter data collector is connected with the remote meter reading transmission line, it is characterized in that, also be provided with the electric power modem interface circuit, with the electric power bridge, the input end of described electric power modem interface circuit is connected with user's electricity consumption end, and output terminal is connected with grid line by the electric power bridge so that the user's computer online.
During work, on the one hand, user's computer can be through using electrical socket, electric power modem interface circuit, electric power bridge and grid line online; On the other hand, user's ammeter data can pass through the data information transfer line, and ammeter data collector and remote meter reading transmission line are realized the transmission of long-range ammeter data.
Than prior art, the utility model remarkable advantage is: 1.Not only can realize long-range ammeter data transmission, the service of power line communications can also be provided for the user simultaneously.2, remote meter reading and online computing can utilize the power line network of sub-district jointly, so help saving the spending of sub-district intelligent engineering.
Description of drawings
Fig. 1 is the theory diagram of the utility model embodiment one.
Fig. 2 is the theory diagram of the utility model embodiment two.
Fig. 3 is the theory diagram of electric power bridge among the utility model embodiment.
Fig. 4 is the theory diagram of ammeter collector among the utility model embodiment.
Embodiment
The structural attitude of the utility model embodiment one is: comprise ammeter and the ammeter data collector that is connected on the user power utilization circuit is installed, the data output end of ammeter is connected with the input end of ammeter data collector, the output terminal of ammeter data collector is connected with the remote meter reading transmission line, it is characterized in that, also be provided with the electric power modem interface circuit, with the electric power bridge, the input end of described electric power modem interface circuit is connected with user's electricity consumption end, and output terminal is connected with grid line by the electric power bridge so that the user's computer online.
The output terminal of the output terminal of above-mentioned ammeter data collector and electric power bridge is connected to the input end of the network switch respectively by grid line, the described network switch is connected with concentrator, and is connected with INTERNET by grid line.Described ammeter is the ammeter that has the ammeter of pulse signal output or have the RS-485 interface.
Above-mentioned electric power bridge (referring to Fig. 3) is made up of RJ45 interface, RJ45 controller (80225), modulator-demodular unit, signal amplifier and electric power modem interface circuit, the RJ45 interface is connected to RJ45 controller (80225), be connected to modulator-demodular unit, be connected to signal amplification circuit, be connected on the line of electric force of alternating current 220V by the electric power modem interface circuit again.This equipment major function is to realize the conversion of network signal to electric-power wire communication signal.Electric power modem interface circuit has wherein been applied for utility model patent, patent name: the electric power modem interface circuit, the patent No.: ZL02263319.7 authorizes day: on July 9th, 2003.Adopt coupling scheme between this interface and the line of electric force, information is coupled on the line of electric force by a telefault.
Above-mentioned ammeter data collector (referring to Fig. 4) is by RJ45 interface, Ethernet---and serial ports modular converter, microprocessor, data-carrier store and data acquisition interface circuit are formed, the RJ45 interface is connected to Ethernet---the serial ports modular converter, be connected to the output terminal of microprocessor, the input end of microprocessor is connected with the data acquisition interface circuit, and the output terminal of microprocessor also is connected with data-carrier store.This equipment major function is collection and the transmission that realizes ammeter data.
For the ease of assembled on site and construction, described electric power bridge and data acquisition unit can be fixedly linked in one.
The utility model embodiment two (as shown in Figure 2) forms the level Four application network by base table, Ethernet collector, electric power bridge, sub-district concentrator and administrative center.Function and characteristics at different levels are as follows:
1, base table just is meant the ammeter of pulse delivery outlet or 485 delivery outlets, requires the pulse high-low level voltage of pulse meter output to be respectively 5V, 0V, and pulse width is greater than 40ms.485 tables need meet the relevant rule of DL/T-645
2, form second level application network by Ethernet collector and electric power bridge, its major function is the collection that paired pulses or 485 ammeters carry out ammeter data.The passage of a power line communication is provided by the electric power bridge simultaneously.The individual ethernet acquisition terminal can be copied and accepted multichannel ammeter data (pulse 8 tunnel, 485 table 50 tunnels), is applicable to the intelligent meter data recording from the sub-district to the entire city.
3, the sub-district concentrator can be gathered the electric weight of each user's electric energy meter at interval automatically according to the copy reading of setting, and generates the accumulative total electric flux of each user's electric energy meter automatically according to copying and accepting at interval of setting and the cycle of checking meter, and reports to administrative center.
4, administrative center can be a single computer, also can be a distributed systems, sees scale and decides, and must have a computing machine to insert the INTERNET network, does front end communication and handles.Administrative center's major function is to finish the collection of data, management and analysis.
The characteristics of the utility model embodiment two:
1,, adopts ICP/IP protocol, the simplified system wiring based on the IP broadband LAN.
2, system configuration is flexible, promptly can be applicable to relevant industrial department, also can be applicable to cell management.Both can realize management, also can provide the power line communications passage simultaneously, remove the worry of wiring from house to house from all electric supply meters in the sub-district.
3, administrative center can be located at the optional position on the INTERNET, can realize multiple management, is particularly suitable for trade management department or large-scale infrastructure management company;
4, the upper strata transmission network adopts the IP broadband networks, and lower floor can select broadband LAN or power line network for use;
5, power system capacity is big, and the cover system quantity of checking meter is unrestricted in theory;
6, module is installed near ammeter, chopped pulse transmission range, accurate measurement, system reliability height;
7, support the data of pulse meter and 485 tables to copy and accept;
8, can provide the power line communications service simultaneously.
The utility model is novel, and is reasonable in design, and the innovation level height has bigger application value.
Claims (7)
1, the interface arrangement that a kind of remote meter reading and power line communications are used, comprise ammeter and the ammeter data collector that is connected on the user power utilization circuit is installed, the data output end of ammeter is connected with the input end of ammeter data collector, the output terminal of ammeter data collector is connected with the remote meter reading transmission line, it is characterized in that, also be provided with the electric power modem interface circuit, with the electric power bridge, the input end of described electric power modem interface circuit is connected with user's electricity consumption end, and output terminal is connected with grid line by the electric power bridge so that the user's computer online.
2, the interface arrangement used of remote meter reading according to claim 1 and power line communications, it is characterized in that: the output terminal of the output terminal of ammeter data collector and electric power bridge is connected to the input end of the network switch respectively by grid line, the described network switch is connected with concentrator, and is connected with INTERNET by grid line.
3, according to claim 1, or 2 interface arrangement of using of described remote meter reading and power line communications, it is characterized in that: described electric power bridge is made up of RJ45 interface, RJ45 controller, modulator-demodular unit, signal amplifier and electric power modem interface circuit, the RJ45 interface is connected to the RJ45 controller, be connected to modulator-demodular unit, be connected to signal amplification circuit, be connected on the line of electric force of alternating current 220V by the electric power modem interface circuit again.
4, the interface arrangement used of remote meter reading according to claim 3 and power line communications, it is characterized in that: described ammeter data collector is by RJ45 interface, Ethernet---and serial ports modular converter, microprocessor, data-carrier store and data acquisition interface circuit are formed, the RJ45 interface is connected to Ethernet---the serial ports modular converter, be connected to the output terminal of microprocessor, the input end of microprocessor is connected with the data acquisition interface circuit, and the output terminal of microprocessor also is connected with data-carrier store.
5, according to claim 1 or 2, the power line communications device of described energy remote meter reading, it is characterized in that: described electric power bridge and data acquisition unit are fixedly linked in one.
6, the power line communications device of energy remote meter reading according to claim 4, it is characterized in that: described electric power bridge and data acquisition unit are fixedly linked in one.
7, the power line communications device of energy remote meter reading according to claim 6 is characterized in that: described ammeter is the ammeter that has the ammeter of pulse signal output or have the RS-485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125818 CN2862220Y (en) | 2005-12-07 | 2005-12-07 | Remote meter reading and interface device for network of power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125818 CN2862220Y (en) | 2005-12-07 | 2005-12-07 | Remote meter reading and interface device for network of power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2862220Y true CN2862220Y (en) | 2007-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520125818 Expired - Lifetime CN2862220Y (en) | 2005-12-07 | 2005-12-07 | Remote meter reading and interface device for network of power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2862220Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237362B (en) * | 2007-01-31 | 2010-05-19 | 司特维科技(天津)有限公司 | A remote intelligent power meter reading system for broadband network communication |
| WO2012047089A1 (en) * | 2010-10-04 | 2012-04-12 | Universiti Sains Malaysia | A method of providing smart grid services securely via shared metering devices and a system derived thereof |
| CN103944265A (en) * | 2014-04-24 | 2014-07-23 | 国家电网公司 | Interactive and smart electric energy distribution and consumption monitoring device and method |
| CN112118029A (en) * | 2020-08-20 | 2020-12-22 | 广东电网有限责任公司佛山供电局 | Transformer substation three-mode communication system based on broadband power carrier |
-
2005
- 2005-12-07 CN CN 200520125818 patent/CN2862220Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237362B (en) * | 2007-01-31 | 2010-05-19 | 司特维科技(天津)有限公司 | A remote intelligent power meter reading system for broadband network communication |
| WO2012047089A1 (en) * | 2010-10-04 | 2012-04-12 | Universiti Sains Malaysia | A method of providing smart grid services securely via shared metering devices and a system derived thereof |
| GB2498473A (en) * | 2010-10-04 | 2013-07-17 | Univ Sains Malaysia | A method of providing smart grid services securely via shared metering devices and a system derived thereof |
| CN103944265A (en) * | 2014-04-24 | 2014-07-23 | 国家电网公司 | Interactive and smart electric energy distribution and consumption monitoring device and method |
| CN103944265B (en) * | 2014-04-24 | 2016-01-20 | 国家电网公司 | A kind of interactive intelligent adapted electric energy monitoring device and method |
| CN112118029A (en) * | 2020-08-20 | 2020-12-22 | 广东电网有限责任公司佛山供电局 | Transformer substation three-mode communication system based on broadband power carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070124 |
|
| EXPY | Termination of patent right or utility model |