CN202495935U - Electric power line carrier communication device based on RS485 electric energy meter - Google Patents
Electric power line carrier communication device based on RS485 electric energy meter Download PDFInfo
- Publication number
- CN202495935U CN202495935U CN2012201298724U CN201220129872U CN202495935U CN 202495935 U CN202495935 U CN 202495935U CN 2012201298724 U CN2012201298724 U CN 2012201298724U CN 201220129872 U CN201220129872 U CN 201220129872U CN 202495935 U CN202495935 U CN 202495935U
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- power line
- electric energy
- energy meter
- carrier
- acquisition device
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Abstract
The utility model relates to an electric power line carrier communication device based on a RS485 electric energy meter. The device is connected with a low voltage electric power line at the low voltage end of a distribution transformer. The device comprises a concentrator, a carrier collector and the RS485 electric energy meter. The concentrator and the carrier collector are connected with the low voltage electric power line. The carrier collector is connected with the RS485 power energy meter. Compared with the prior art, the electric power line carrier communication device based on the RS485 electric energy meter provided by the utility model has the advantages of anti-interference, simple structure, good stability and the like.
Description
Technical field
The utility model relates to a kind of power line communication apparatus, especially relates to a kind of device for power line carrier communications based on the RS485 electric energy meter.
Background technology
Along with development of Communication Technique, voltage power-line carrier communication technology is used widely at electric energy and various energy measurements field.But present various power line carrier communication scheme all comes with some shortcomings, and mainly contains: use the spread spectrum mode merely, cause signal can't be beneficial to the period synchronous transmission of transmission in the timesharing of power line zero passage most, be interfered easily; In addition, there is the unmatched problem of impedance between the impedance of domestic electrical network and existing circuit design scheme, influenced the communication capacity of carrier module.
Summary of the invention
The purpose of the utility model is exactly the device for power line carrier communications based on the RS485 electric energy meter that a kind of anti-interference, simple in structure, good stability is provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of the utility model can realize through following technical scheme:
A kind of device for power line carrier communications based on the RS485 electric energy meter; This device is connected with the low-voltage power line of distribution transformer low-pressure end; This device comprises concentrator, carrier acquisition device and RS485 electric energy meter; Described concentrator all is connected low-voltage power line with the carrier acquisition device, and described carrier acquisition device connects the RS485 electric energy meter.
Described low-voltage power line is the three-phase low-voltage power line, and every phase power line is connected with concentrator respectively, connects at least one carrier acquisition device on every phase power line.
Described RS485 electric energy meter is provided with the RS485 interface, and described RS485 interface is connected with the carrier acquisition device through the RS485 bus.
Described carrier acquisition device connects a plurality of RS485 electric energy meters through the RS485 bus.
Compared with prior art, the RS485 electric energy meter of the utility model connects the carrier acquisition device through the RS485 bus, and is simple in structure, is applicable to the area that concentrate relatively the electric energy meter position.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
As shown in Figure 1; A kind of device for power line carrier communications based on the RS485 electric energy meter; This device is connected with the three-phase low-voltage power line of distribution transformer 1 low-pressure end, and this device comprises concentrator 2, carrier acquisition device 3 and RS485 electric energy meter 4, and every phase power line of three-phase low-voltage power line is connected with concentrator 2 respectively; All connect a carrier acquisition device 3 on every phase power line of three-phase low-voltage power line, the carrier acquisition device connects two RS485 electric energy meters.The RS485 electric energy meter is provided with the RS485 interface, and the RS485 interface is connected with the carrier acquisition device through the RS485 bus.
During above-mentioned device for power line carrier communications work based on the RS485 electric energy meter, the ammeter data that is sent by a plurality of RS485 electric energy meters transfers to concentrator through behind the carrier acquisition device, and concentrator is with data storing or through wireless network transmissions to long-range host computer.
Claims (4)
1. device for power line carrier communications based on the RS485 electric energy meter; This device is connected with the low-voltage power line of distribution transformer low-pressure end; It is characterized in that; This device comprises concentrator, carrier acquisition device and RS485 electric energy meter, and described concentrator all is connected low-voltage power line with the carrier acquisition device, and described carrier acquisition device connects the RS485 electric energy meter.
2. a kind of device for power line carrier communications according to claim 1 based on the RS485 electric energy meter; It is characterized in that; Described low-voltage power line is the three-phase low-voltage power line, and every phase power line is connected with concentrator respectively, connects at least one carrier acquisition device on every phase power line.
3. a kind of device for power line carrier communications based on the RS485 electric energy meter according to claim 1 is characterized in that described RS485 electric energy meter is provided with the RS485 interface, and described RS485 interface is connected with the carrier acquisition device through the RS485 bus.
4. a kind of device for power line carrier communications based on the RS485 electric energy meter according to claim 2 is characterized in that described carrier acquisition device connects a plurality of RS485 electric energy meters through the RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201298724U CN202495935U (en) | 2012-03-30 | 2012-03-30 | Electric power line carrier communication device based on RS485 electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201298724U CN202495935U (en) | 2012-03-30 | 2012-03-30 | Electric power line carrier communication device based on RS485 electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495935U true CN202495935U (en) | 2012-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201298724U Expired - Lifetime CN202495935U (en) | 2012-03-30 | 2012-03-30 | Electric power line carrier communication device based on RS485 electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495935U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070028A (en) * | 2015-07-21 | 2015-11-18 | 国家电网公司 | RS-485 communication technology based meter reading system for rural customers |
| CN105955902A (en) * | 2016-04-21 | 2016-09-21 | 广州供电局有限公司 | Serial-to-wireless communicator |
| CN109212333A (en) * | 2018-09-27 | 2019-01-15 | 深圳友讯达科技股份有限公司 | Collector management electric energy meter phase sequence Home System and device |
| CN112598894A (en) * | 2020-12-08 | 2021-04-02 | 国网四川省电力公司攀枝花供电公司 | Public transformer area user electricity information acquisition system and method |
-
2012
- 2012-03-30 CN CN2012201298724U patent/CN202495935U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070028A (en) * | 2015-07-21 | 2015-11-18 | 国家电网公司 | RS-485 communication technology based meter reading system for rural customers |
| CN105955902A (en) * | 2016-04-21 | 2016-09-21 | 广州供电局有限公司 | Serial-to-wireless communicator |
| CN109212333A (en) * | 2018-09-27 | 2019-01-15 | 深圳友讯达科技股份有限公司 | Collector management electric energy meter phase sequence Home System and device |
| CN112598894A (en) * | 2020-12-08 | 2021-04-02 | 国网四川省电力公司攀枝花供电公司 | Public transformer area user electricity information acquisition system and method |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |