CN202918287U - Repeater - Google Patents
Repeater Download PDFInfo
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- CN202918287U CN202918287U CN2012203859742U CN201220385974U CN202918287U CN 202918287 U CN202918287 U CN 202918287U CN 2012203859742 U CN2012203859742 U CN 2012203859742U CN 201220385974 U CN201220385974 U CN 201220385974U CN 202918287 U CN202918287 U CN 202918287U
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- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000006855 networking Effects 0.000 abstract description 18
- 238000005516 engineering process Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
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Abstract
Disclosed in the utility model is a repeater that comprises a wireless communication module, a carrier wave transmit-receive controller and a power supply module. Besides, the wireless communication module, the carrier wave transmit-receive controller and the power supply module are successively connected. Because of the utilization of the technical scheme, problems of a single networking mode and complicated topology in power line communication (PLC)/wireless system networking can be solved conveniently.
Description
Technical field
The utility model relates to the power system telecommunications technology field, relates in particular to a kind of repeater.
Background technology
At present, intelligent adapted electricity and intelligent meter data recording are one of important contents of intelligent grid construction.Popularizing of intelligence adapted electricity and intelligent meter data recording will need a large amount of intelligent electric meter communication modules, terminal equipment communication module to form communication system, need the support of ripe communication system technical scheme, power system telecommunications technology and network have been proposed highly stable reliable requirement.Adapted electricity user side communication network resource was most deficient in the past, realized that the interaction between electrical network and the user is relatively more difficult, can't provide more high-quality and efficient service to vast power customer.At present, the adapted electricity user side communications field mainly contains three kinds of realization technology: optical communication, radio communication and power line carrier communication.
Power line carrier communication (Power Line Communication, PLC) takes full advantage of power line as transmission channel, has little, the instant effect of cost, waits synchronously the distinctive advantage of power department with power grid construction.Along with the development of PLC technology, voltage power-line carrier communication technology is used widely at intelligent adapted electricity and intelligent meter data recording business field, to satisfy the intelligent grid growth requirement.
Yet power line exists the inherent defects such as Noise and Interference is strong, signal attenuation is large, network topology is complicated and changeable as communication channel, causes the development of power-line carrier communication to be subject to a certain degree restriction.Therefore, in the low-voltage powerline carrier communication system, networking technology has directly determined function and the performance of system as one of key technology of addressing the above problem, such as the success rate of remote concentrated ammeter reading, system communication time delay etc.The main networking technology of practical application is divided into static networking and dynamic group net at home at present.Wherein, static group Netcom crosses the mode that the whole network " floods " and realizes; Dynamic group net is realized by the mode of " route ".
Existing PLC networking technology in actual applications, the problem such as especially in the situation in Da Tai district, in the face of the characteristics complicated and changeable of power line network topology, exist that networking mode is single, flexibility and adaptability are not high affects the realization of systematic function even function.
The utility model content
The purpose of this utility model is for the high problem of the topological complexity that exists in the power-line carrier communication system networking, a kind of repeater is proposed, be used for PLC/ radio communication mixed networking, the problem that the networking mode in the easily resolution system networking is single, topological complexity is high.
For reaching this purpose, the utility model by the following technical solutions:
A kind of repeater comprises wireless communication module, carrier transmitting-receiving controller and power module, and wherein said wireless communication module, carrier transmitting-receiving controller are connected with power module and are connected.
In the technique scheme, preferably, described wireless communication module is transparent transmission.
In the technique scheme, preferably, described wireless communication module is GPRS module or wireless blue tooth module.
In the technique scheme, preferably, described wireless communication module also comprises encrypting module.
Adopted the technical solution of the utility model, can realize by the mode of wireless repeater the wireless mixed networking of PLC/, networking mode is flexible, effectively overcome the problem of PLC network topology polytropy, and based on the method that the repeater carrier signal strength is divided " subtopology network ", reduced the complexity of PLC network.
Description of drawings
Fig. 1 is the structural representation of repeater in the utility model embodiment.
Fig. 2 is the system schematic of repeater and concentrator cooperating in the utility model embodiment.
Fig. 3 is based on the system schematic of the power line carrier communication networking of repeater in the utility model embodiment.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Embodiment of the present utility model proposes a kind of repeater for PLC/ radio communication mixed networking, adopt in the wireless mixed networking mode of PLC/ of this repeater, on the one hand, concentrator in the network wirelessly with repeater communication, repeater is communicated by letter with intelligent electric meter in the mode of PLC on the other hand, realized that networking mode is flexible, effectively overcome the problem of PLC network topology polytropy.
As shown in Figure 1, the PLC/ wireless communication relay comprises wireless communication module 101, carrier transmitting-receiving controller 102 and power module 103.The PLC/ wireless communication relay converts the wireless data that receives to carrier data on the one hand and sends on the power line; The data transaction of on the other hand reception carrier on the power line (ammeter) being returned becomes wireless data to send to wireless/power line carrier bimodulus concentrator.
As preferred embodiment a kind of, wireless communication module is transparent transmission, and in the course of the work, data are not directly carried out the RLP error correction by the interconnect function pattern in the system.RLP (Radio Link Protocol) is a kind of wireless connections agreement, is a kind of strict error correcting system.When data receiving terminal " found " wrong after, receiving terminal can require phone to re-start transfer of data, if necessary, repeatedly carry out, until receive data entirely true till.Adopt the transparent transmission pattern not need the data of transmission are carried out error correction, can reduce the complexity of communication, in the situation that guarantees transmission quality, improve efficiency of transmission, reduced the complexity of device.
As preferred embodiment a kind of, wireless communication module is can be GPRS module or wireless blue tooth module, also can be other communication in the art.
For guaranteeing the fail safe of user data transmission, wireless communication module also comprises encrypting module, at concentrator corresponding deciphering module is set, has so just increased aerial encryption function between repeater and concentrator, the data of wireless transmission can be guaranteed secure user data through encryption.
As shown in Figure 2, the course of work of PLC/ Radio Network System is as follows: at down direction, concentrator 204 is communicated by letter with the wireless communication module 201 of repeater wirelessly; Each repeater is broadcasted by power line carrier transmitting-receiving module 202 according to the timeslice that is assigned to; Each ammeter is by the signal strength signal intensity sent of contrast repeater, and the repeater of signal strength signal intensity maximum is made as its corresponding route assemblage forward node; A repeater and corresponding ammeter thereof consist of a sub-topological network.At up direction, the mode that each ammeter is crossed power line carrier with data communication device reports repeater; Repeater will receive the data transaction of the returning wireless/PLC bimodulus concentrator that becomes wireless data to send in the mode of transparent transmission on the power line.
Like this, as shown in Figure 3, in the sub-network at each ammeter 301 place, repeater 303 is set, sub-network is topological to the network subnet division network of the wireless mixed networking of PLC/ by the carrier signal strength based on relaying 303, communicate and exchanges data with concentrator 302, finish the work of transfer of data, reduced the complexity of PLC network.
The above; it only is the better embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (4)
1. a repeater is characterized in that, comprising: wireless communication module, carrier transmitting-receiving controller and power module, wherein said wireless communication module, carrier transmitting-receiving controller are connected with power module and are connected.
2. repeater as claimed in claim 1 is characterized in that, described wireless communication module is transparent transmission.
3. repeater as claimed in claim 1 or 2 is characterized in that, described wireless communication module is GPRS module or wireless blue tooth module.
4. repeater as claimed in claim 1 or 2 is characterized in that, described wireless communication module also comprises encrypting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203859742U CN202918287U (en) | 2012-08-06 | 2012-08-06 | Repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203859742U CN202918287U (en) | 2012-08-06 | 2012-08-06 | Repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918287U true CN202918287U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203859742U Expired - Lifetime CN202918287U (en) | 2012-08-06 | 2012-08-06 | Repeater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918287U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202245A (en) * | 2014-09-16 | 2014-12-10 | 深圳市金正方科技股份有限公司 | Intelligent transmission method and intelligent transmission device for adaptive communication modes |
| CN107347070A (en) * | 2017-07-11 | 2017-11-14 | 华北电力大学 | A kind of data transmission security control device of medium voltage distribution network |
| CN111462470A (en) * | 2020-05-19 | 2020-07-28 | 广州穗华能源科技有限公司 | Low-voltage distribution area topology identification method based on power line carrier attenuation characteristics |
-
2012
- 2012-08-06 CN CN2012203859742U patent/CN202918287U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202245A (en) * | 2014-09-16 | 2014-12-10 | 深圳市金正方科技股份有限公司 | Intelligent transmission method and intelligent transmission device for adaptive communication modes |
| CN104202245B (en) * | 2014-09-16 | 2018-01-23 | 深圳市金正方科技股份有限公司 | The intelligent transmission method and device of adaptive communications mode |
| CN107347070A (en) * | 2017-07-11 | 2017-11-14 | 华北电力大学 | A kind of data transmission security control device of medium voltage distribution network |
| CN111462470A (en) * | 2020-05-19 | 2020-07-28 | 广州穗华能源科技有限公司 | Low-voltage distribution area topology identification method based on power line carrier attenuation characteristics |
| CN111462470B (en) * | 2020-05-19 | 2021-02-05 | 广州穗华能源科技有限公司 | Low-voltage distribution area topology identification method based on power line carrier attenuation characteristics |
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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: 20130501 |