CN202652409U - Monitoring system using power line transmission - Google Patents
Monitoring system using power line transmission Download PDFInfo
- Publication number
- CN202652409U CN202652409U CN 201220132753 CN201220132753U CN202652409U CN 202652409 U CN202652409 U CN 202652409U CN 201220132753 CN201220132753 CN 201220132753 CN 201220132753 U CN201220132753 U CN 201220132753U CN 202652409 U CN202652409 U CN 202652409U
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- signal
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- power line
- modulation
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Abstract
The utility model discloses a monitoring system using power line transmission. The monitoring system comprises a sensor used for acquiring an image signal, an encoder, a digital signal processing module, a power modulation and demodulation module, a carrier signal coupling module, a memory module and a power supply module. The power modulation and demodulation module is connected with the digital signal processing module for processing and converting a digital network signal and a power line carrier modulation signal. The carrier signal coupling module is connected with the power modulation and demodulation module and couples a signal to an alternating current power carrier to form a modulation signal. The memory module is connected with the digital signal processing module and the power modulation and demodulation module. According to the utility model, a power line communication technology is used; the existing power line is used as a transmission medium; re-wiring is carried out; the installation is convenient; the cost is low; remote transmission is realized; image transmission is smooth; and the display is clear and exquisite.
Description
Technical field
The utility model relates to a kind of supervising device, is specifically related to a kind of power line that utilizes as the supervisory control system of signal carrier.
Background technology
The receiving terminal of existing supervising device mainly is to be connected by Special cable wire with connected mode between the monitoring client, this mode is common in the residential quarter, the monitoring place such as factory and street, although its fail safe is good, the distance of monitoring, but it is perfect that this supervising device is generally arranged by comprehensive wiring when architecture construction, adjusting the control point when needs is, usually be accompanied by the larger adjustment to comprehensive wiring system, the appearance looks elegant degree that simultaneously must consideration destroy building itself, Zhejiang increases the cost of adjusting, and the time of adjusting is also longer, and the cost of cable itself is also very high in addition.
The utility model content
Not enough for prior art, the utility model provides the supervisory control system of passing through the power line transmission that a kind of fail safe is good, save cost.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of supervisory control system by the power line transmission, it comprises transducer, encoder and the digital signal processing module that obtains picture signal, described encoder links to each other with transducer, is used for picture signal compression, coding, the decoding of sensor transmissions are processed; Described digital signal processing module links to each other with encoder, for the treatment of various data, also comprise power modulation demodulation module, carrier signal coupling module, memory module, supply module, described power modulation demodulation module links to each other with digital signal processing module, for the treatment of, converting digital network signal and power line carrier modulation signal; Described carrier signal coupling module links to each other with the power modulation demodulation module, couples a signal on the alternating electromotive force carrier wave and forms modulation signal; Described memory module links to each other with digital signal processing module, power modulation demodulation module.
As preferably, described power modulation demodulation module adopts the orthogonal frequency-division technology to come modulation signal.
As preferably, realize that by Media Independent Interface signal between the two is interconnected between described digital signal processing module and the power modulation demodulation module.
The beneficial effects of the utility model are: the utility model adopts power line communication technology, with existing power line as transmission medium, rewiring, easy for installation, old low, can realize long-distance transmissions, and transmitting image is very smooth and clear display is fine and smooth.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
As shown in Figure 1, a kind of supervisory control system by the power line transmission, it comprises transducer 1, encoder 2 and the digital signal processing module 3 that obtains picture signal, and encoder 2 links to each other with transducer, is used for picture signal compression, coding, the decoding of sensor transmissions are processed; Described digital signal processing module links to each other with encoder, for the treatment of various data, also comprise power modulation demodulation module 4, carrier signal coupling module 5, memory module 6, supply module 7, described power modulation demodulation module 4 links to each other with digital signal processing module 3, for the treatment of, converting digital network signal and power line carrier modulation signal; Described carrier signal coupling module 5 links to each other with power modulation demodulation module 4, couples a signal on the alternating electromotive force carrier wave and forms modulation signal; Described memory module 6 links to each other with digital signal processing module, power modulation demodulation module, is used for storing ID address and MAC Address, and monitor terminal can find corresponding camera by ID address and MAC Address, realizes remote access and implements remote monitoring; The power modulation demodulation module adopts the orthogonal frequency-division technology to come modulation signal.Realize that by Media Independent Interface signal between the two is interconnected between described digital signal processing module 3 and the power modulation demodulation module 4, supply module 7 is used to device that dc supply is provided.
This device adopts power line communication technology, with existing power line as transmission medium, rewiring, easy for installation, old low, can realize long-distance transmissions, and transmitting image is very smooth and clear display is fine and smooth.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, without departing from the concept of the premise utility; can also make some improvements and modifications, these improvements and modifications also should be considered as in the utility model protection range.
Claims (3)
1. supervisory control system by power line transmission, it comprises transducer (1), encoder (2) and the digital signal processing module (3) that obtains picture signal, described encoder (2) links to each other with transducer, is used for picture signal compression, coding, the decoding of sensor transmissions are processed; Described digital signal processing module links to each other with encoder, for the treatment of various data, it is characterized in that: also comprise power modulation demodulation module (4), carrier signal coupling module (5), memory module (6), supply module (7), described power modulation demodulation module (4) links to each other with digital signal processing module (3), for the treatment of, converting digital network signal and power line carrier modulation signal; Described carrier signal coupling module (5) links to each other with power modulation demodulation module (4), couples a signal on the alternating electromotive force carrier wave and forms modulation signal; Described memory module (6) links to each other with digital signal processing module, power modulation demodulation module.
2. a kind of supervisory control system by power line transmission according to claim 1, it is characterized in that: described power modulation demodulation module adopts the orthogonal frequency-division technology to come modulation signal.
3. a kind of supervisory control system by the power line transmission according to claim 1 is characterized in that: realize that by Media Independent Interface signal between the two is interconnected between described digital signal processing module (3) and the power modulation demodulation module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220132753 CN202652409U (en) | 2012-03-27 | 2012-03-27 | Monitoring system using power line transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220132753 CN202652409U (en) | 2012-03-27 | 2012-03-27 | Monitoring system using power line transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652409U true CN202652409U (en) | 2013-01-02 |
Family
ID=47421431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220132753 Expired - Fee Related CN202652409U (en) | 2012-03-27 | 2012-03-27 | Monitoring system using power line transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323538A (en) * | 2014-06-24 | 2016-02-10 | 江苏赛威电子有限公司 | Visual doorbell and monitoring camera system |
-
2012
- 2012-03-27 CN CN 201220132753 patent/CN202652409U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323538A (en) * | 2014-06-24 | 2016-02-10 | 江苏赛威电子有限公司 | Visual doorbell and monitoring camera system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150327 |
|
| EXPY | Termination of patent right or utility model |