CN210609187U - Network monitoring equipment of power industry control system and double wireless network monitoring modules thereof - Google Patents
Network monitoring equipment of power industry control system and double wireless network monitoring modules thereof Download PDFInfo
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- CN210609187U CN210609187U CN201921578372.7U CN201921578372U CN210609187U CN 210609187 U CN210609187 U CN 210609187U CN 201921578372 U CN201921578372 U CN 201921578372U CN 210609187 U CN210609187 U CN 210609187U
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Abstract
The utility model discloses a power industry control system network monitoring equipment and two wireless network monitoring modules thereof, the two wireless network monitoring modules include a PCB board, a transmission controller arranged on the PCB board, a first wireless network card arranged on the PCB board, a second wireless network card of the PCB board, a first wireless receiver connected with the first wireless network card and a second wireless receiver connected with the second wireless network card; the first wireless network card and the second wireless network card are respectively connected with the transmission controller. Therefore, the utility model not only uses a plurality of monitoring circuits, but also has independence, thereby providing the redundancy of the monitoring module; but also improves the anti-interference and enhances the selectivity of the scanning signal frequency band.
Description
Technical Field
The utility model belongs to the technical field of wireless network monitoring, especially, relate to a power industry control system network monitoring equipment and two wireless network monitoring module thereof.
Background
The power industry control system is very sensitive to wireless signals in the environment controlled by the power industry control system, and in order to ensure that power industry equipment in the environment can be effectively analyzed and controlled, the wireless signals in the environment need to be collected, and the control system analyzes the signals to determine the risk degree of the signals and carries out corresponding processing.
The conventional data acquisition means uses an external antenna, adopts a single network card to receive external signals, and then sends the received signals to a master control system for analysis and processing. The master control system sets the scanning frequency band and the scanning speed of the network card. Due to various reasons, the acquired data of the wireless network monitoring equipment adopting the scheme often have a missing phenomenon.
The reason for this is: data acquisition of wireless network monitoring equipment with a metal shell usually adopts an external antenna mode, and the external antenna is inconvenient to store and use, so that a single-antenna mode is usually adopted, and a single-network card structure is adopted for receiving; the single antenna has high possibility of being interfered by the outside, and once data which cannot be analyzed appears due to interference, the control system can only discard the data; meanwhile, the single network card and the receiving module cannot normally acquire data due to self performance and quality reasons.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the present invention provides a network monitoring device for a power industry control system and a dual wireless network monitoring module thereof, which not only uses a plurality of monitoring circuits, but also has independence for each monitoring circuit, and provides redundancy of the monitoring module; but also improves the anti-interference and enhances the selectivity of the scanning signal frequency band.
In view of this, the utility model adopts the following technical scheme:
a double wireless network monitoring module of a power industry control system network monitoring device comprises a PCB (printed circuit board), a transmission controller arranged on the PCB, a first wireless network card and a second wireless network card which are arranged on the PCB, a first wireless receiver connected with the first wireless network card and a second wireless receiver connected with the second wireless network card; the first wireless network card and the second wireless network card are respectively connected with the transmission controller.
Preferably, the first wireless network card and the second wireless network card are respectively connected with the transmission controller through control lines.
Preferably, the transmission controller is a P17C9X2G chip.
Preferably, the first wireless network card and the second wireless network card can both adopt an intel 7260HMW wireless network card.
Preferably, the PCB board is a data transmission board.
In view of this, the utility model discloses adopt following technical scheme again:
the utility model provides an electric power industry control system network monitoring equipment including above-mentioned technical scheme two wireless network monitoring modules, wherein, electric power industry control system network monitoring equipment still includes the major control system.
Preferably, the dual wireless network monitoring modules send the received signals to a master control system, and the master control system is connected with the transmission controllers of the dual wireless network monitoring modules through control lines.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
1. the double wireless network monitoring modules of the utility model adopt double wireless receiving modules, thereby reducing the occurrence of data loss caused by external interference of a single antenna system;
2. two wireless network monitoring module adopt two wireless network card modules, two wireless receiving arrangement autonomous working, each other do not influence. When one wireless receiving monitoring line is interfered or has data abnormality due to self reasons, the other wireless receiving monitoring line can still work, the situation that wireless monitoring cannot be carried out due to the fact that a certain line (including a wireless network card and a wireless receiver) breaks down is reduced, and redundancy is provided;
3. power industry control system network monitoring equipment adopts two wireless network monitoring module, through two wireless network monitoring module independent links separately, the major control system can set up the scanning frequency channel and the time of every network card of receiving respectively through the control line, has improved the validity of signal scanning speed, scanning and the alternative of frequency channel.
Drawings
Fig. 1 is a schematic structural diagram of the dual wireless network monitoring module according to the first embodiment of the present invention.
Fig. 2 is a structural diagram of a network monitoring device of a power industry control system according to an embodiment of the present invention.
Detailed Description
At present, a panel of a new generation of power industry control system adopts a hidden skylight structure, so that an antenna can be built in, and equipment can be integrated, thereby providing a new idea for the reliability of data acquisition. In order to better understand the inventive idea of the present invention, the working principle of the present invention is described as follows:
implement one
As shown in fig. 1, an embodiment of the present invention provides a dual wireless network monitoring module of a power industry control system network monitoring device, wherein the dual wireless network monitoring module includes a PCB 10, a transmission controller 11 disposed on the PCB 10, a first wireless network card 12 and a second wireless network card 12' mounted on the PCB 10, a first wireless receiver 20 connected to the first wireless network card 12, and a second wireless receiver 20' connected to the second wireless network card 12 '; the first wireless network card 12 and the second wireless network card 12' are respectively connected with the transmission controller 11. In the embodiment of the present invention, the first wireless network card 12 and the second wireless network card 12' may adopt an intel 7260HMW wireless network card; the transmission controller is exemplified by a P17C9X2G chip from percom.
In the embodiment of the present invention, the first wireless network card 12 and the second wireless network card 12' are equally divided into two parts, i.e. the first wireless network card and the second wireless network card, which are connected to the transmission controller 11 through control lines. Therefore, the main control system of the network monitoring equipment of the power industry control system can conveniently set the scanning frequency band and time of each received network card through the control lines, and the signal scanning speed, the scanning effectiveness and the frequency band selectivity are improved.
The embodiment of the utility model provides a two wireless network monitoring module be connected to two wireless network cards respectively through the wireless receiver of two separations on being connected to two wireless network cards as wireless signal's collector, two wireless network cards are installed at the PCB board, send received signal to the major control system through the transmission control ware on the PCB board. Therefore, the two sets of wireless receiving circuits are respectively connected into the transmission controller, and are transmitted to the master control system of the power industry control system network monitoring equipment after being summarized by the transmission controller.
Carry out two
As shown in fig. 2, the embodiment of the utility model provides an electric power industry control system network monitoring equipment includes that the aforesaid implements one two wireless network monitoring module and major control system 30, two wireless network monitoring module send the signal of receiving to major control system 30, major control system 30 with transmission controller 11 connects. Therefore, the main control system can set the scanning frequency band and time of each receiving network card through the control lines, and the signal scanning speed, the scanning effectiveness and the frequency band selectivity are improved.
The embodiment of the utility model provides an electric power industry control system network monitoring equipment through two sets of independent receiving methods respectively, each other does not influence, provides monitoring signal's redundancy to following advantage has been realized: 1) the interference resistance is improved: the wireless receivers are arranged at different positions, so that the interference of the external interference on the receiving module of the whole monitoring system can be reduced; 2) redundancy is provided: the transmission controller only merges and transmits the two groups of data to the main control system, and the data acquisition of the whole monitoring system is not influenced by the data loss of a single link (comprising a wireless network card and a wireless receiving module); 3) the selectivity of scanning signal frequency bands is enhanced: the master control system can respectively control the two wireless network cards by setting different addresses, and sets different scanning frequency bands and scanning speeds, so that the scanning speed, the scanning effectiveness and the frequency band selectivity of the monitoring system are improved.
To sum up, the present invention is only a preferred embodiment and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention, such as: three or four or even a plurality of separated wireless receivers are respectively and correspondingly connected to three or four or even a plurality of wireless network cards as collectors of wireless signals, the three or four or even a plurality of wireless network cards are installed on a PCB, and the received signals are sent to a main control system through a transmission controller on the PCB. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include more equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. A double wireless network monitoring module of a network monitoring device of a power industry control system is characterized by comprising a PCB (10), a transmission controller (11) arranged on the PCB (10), a first wireless network card (12) and a second wireless network card (12') which are arranged on the PCB (10), a first wireless receiver (20) connected with the first wireless network card (12) and a second wireless receiver (20') connected with the second wireless network card (12 '); the first wireless network card (12) and the second wireless network card (12') are respectively connected with the transmission controller (11).
2. The dual wireless network monitoring module of the power industry control system network monitoring device according to claim 1, wherein the first wireless network card (12) and the second wireless network card (12') are connected to the transmission controller (11) through control lines respectively.
3. The dual wireless network monitoring module of the power industry control system network monitoring device of claim 1, wherein the transmission controller (11) is a P17C9X2G chip.
4. The dual wireless network monitoring module of the network monitoring device of the power industry control system according to claim 1, wherein the first wireless network card (12) and the second wireless network card (12') are both an intel 7260HMW wireless network card.
5. The dual wireless network monitoring module of the power industry control system network monitoring device of claim 1, wherein the PCB board (10) is a data transmission board.
6. An electric power industry control system network monitoring device comprising the dual wireless network monitoring module of any one of claims 1 to 5, characterized in that the electric power industry control system network monitoring device further comprises a master control system (30).
7. The power industry control system network monitoring device according to claim 6, wherein the master control system (30) is connected with the transmission controller (11) of the dual wireless network monitoring module through a control line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578372.7U CN210609187U (en) | 2019-09-20 | 2019-09-20 | Network monitoring equipment of power industry control system and double wireless network monitoring modules thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921578372.7U CN210609187U (en) | 2019-09-20 | 2019-09-20 | Network monitoring equipment of power industry control system and double wireless network monitoring modules thereof |
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| CN210609187U true CN210609187U (en) | 2020-05-22 |
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| CN201921578372.7U Active CN210609187U (en) | 2019-09-20 | 2019-09-20 | Network monitoring equipment of power industry control system and double wireless network monitoring modules thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822708A (en) * | 2020-12-31 | 2021-05-18 | 四川英得赛克科技有限公司 | Method and equipment for capturing wireless communication data by using multiple wireless network cards |
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2019
- 2019-09-20 CN CN201921578372.7U patent/CN210609187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822708A (en) * | 2020-12-31 | 2021-05-18 | 四川英得赛克科技有限公司 | Method and equipment for capturing wireless communication data by using multiple wireless network cards |
| CN112822708B (en) * | 2020-12-31 | 2022-06-28 | 四川英得赛克科技有限公司 | Method and equipment for capturing wireless communication data by using multiple wireless network cards |
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