CN202524384U - Mixed type low-voltage power line carrier communication device - Google Patents
Mixed type low-voltage power line carrier communication device Download PDFInfo
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- CN202524384U CN202524384U CN2012201298743U CN201220129874U CN202524384U CN 202524384 U CN202524384 U CN 202524384U CN 2012201298743 U CN2012201298743 U CN 2012201298743U CN 201220129874 U CN201220129874 U CN 201220129874U CN 202524384 U CN202524384 U CN 202524384U
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- power line
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- 238000004891 communication Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to a mixed type low-voltage power line carrier communication device connected with the three-phase low-voltage power line of the low-voltage terminal of a distribution transformer, which comprises a concentrator, a carrier collector, an RS485 electric energy meter and a carrier electric energy meter. The concentrator and the carrier electric energy meter are connected with the three-phase low-voltage power line respectively. The RS485 electric energy meter is connected with the three-phase low-voltage power line through the carrier collector. Compared with the prior art, the mixed type low-voltage power line carrier communication device has the advantages of anti-interference, good stability, strong adaptability and the like.
Description
Technical field
The utility model relates to a kind of power line communication apparatus, especially relates to a kind of mixed type low-voltage powerline carrier communication device.
Background technology
Progressively foundation along with national intelligent grid; Voltage power-line carrier communication technology has obtained in depth using at electric energy and various energy measurements field; Following electrical network must be the automated system of electricity consumption, charging, communicating integral; Power line carrier communication is all very extensive in the range of application and the prospect in the fields such as household electrical appliance automation control in future, so it has huge economic benefit and remarkable social benefit.Yet; There are many factors that is unfavorable for the voltage power-line carrier communication technology development in China's electrical network; For example the branch of the pressure standard of its mains by harmonics serious interference, no electro instrument noise restriction, low-voltage network many, become and non-line danger etc. the difficulty that causes low-voltage powerline carrier communication to design when its complicated topological structure has caused network impedance.
Summary of the invention
The purpose of the utility model is exactly to provide a kind of anti-interference, good stability, adaptability strong 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 mixed type low-voltage powerline carrier communication device; This device connects the three-phase low-voltage power line of distribution transformer low-pressure end; This device comprises concentrator, carrier acquisition device, RS485 electric energy meter and carrier electric energy meter; Described concentrator, carrier electric energy meter are connected with the three-phase low-voltage power line respectively, and described RS485 electric energy meter is connected with the three-phase low-voltage power line through the carrier acquisition device.
At least connect a carrier acquisition device and a carrier electric energy meter on every phase power line of described three-phase low-voltage power line.
Described carrier acquisition device connects a plurality of RS485 electric energy meters.
Compared with prior art, the utility model is with RS485 electric energy meter and carrier electric energy meter mixing application, and adaptability is strong, can easily powerline network be extended to the low-voltage customer side, realizes data acquisition and control to electric supply meter.
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 mixed type low-voltage powerline carrier communication device; This device connects the three-phase low-voltage power line of distribution transformer 1 low-pressure end; This device comprises concentrator 2, carrier acquisition device, RS485 electric energy meter 4 and carrier electric energy meter 5, and concentrator 2, carrier electric energy meter 5 are connected with the three-phase low-voltage power line respectively, and RS485 electric energy meter 4 is connected with the three-phase low-voltage power line through carrier acquisition device 3.At least connect a carrier acquisition device 3 and a carrier electric energy meter 5 on every phase power line of three-phase low-voltage power line.Carrier acquisition device 3 connects a plurality of RS485 electric energy meters 4.
RS485 electric energy meter 4 transfers to concentrator 2 through carrier acquisition device 3 and low-voltage power line with ammeter data; Carrier electric energy meter 5 also transfers to concentrator 2 through low-voltage power line with ammeter data; Concentrator 2 stores the ammeter data that receives, and data is sent to remote terminal carries out remote monitoring.
Claims (3)
1. mixed type low-voltage powerline carrier communication device; This device connects the three-phase low-voltage power line of distribution transformer low-pressure end; It is characterized in that; This device comprises concentrator, carrier acquisition device, RS485 electric energy meter and carrier electric energy meter, and described concentrator, carrier electric energy meter are connected with the three-phase low-voltage power line respectively, and described RS485 electric energy meter is connected with the three-phase low-voltage power line through the carrier acquisition device.
2. a kind of mixed type low-voltage powerline carrier communication device according to claim 1 is characterized in that, connects a carrier acquisition device and a carrier electric energy meter on every phase power line of described three-phase low-voltage power line at least.
3. a kind of mixed type low-voltage powerline carrier communication device according to claim 1 is characterized in that described carrier acquisition device connects a plurality of RS485 electric energy meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201298743U CN202524384U (en) | 2012-03-30 | 2012-03-30 | Mixed type low-voltage power line carrier communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201298743U CN202524384U (en) | 2012-03-30 | 2012-03-30 | Mixed type low-voltage power line carrier communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524384U true CN202524384U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201298743U Expired - Lifetime CN202524384U (en) | 2012-03-30 | 2012-03-30 | Mixed type low-voltage power line carrier communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920383A (en) * | 2017-03-31 | 2017-07-04 | 国家电网公司 | Three-phase and four-line intelligent meter is without the carrier signal transmission device in the case of zero line |
-
2012
- 2012-03-30 CN CN2012201298743U patent/CN202524384U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920383A (en) * | 2017-03-31 | 2017-07-04 | 国家电网公司 | Three-phase and four-line intelligent meter is without the carrier signal transmission device in the case of zero line |
| CN106920383B (en) * | 2017-03-31 | 2023-05-09 | 国家电网公司 | Carrier signal transmission device under zero line-free condition of three-phase four-wire intelligent meter |
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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: 20121107 |