CN210640734U - Power line monitoring and wireless extension device - Google Patents
Power line monitoring and wireless extension device Download PDFInfo
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- CN210640734U CN210640734U CN201922093754.7U CN201922093754U CN210640734U CN 210640734 U CN210640734 U CN 210640734U CN 201922093754 U CN201922093754 U CN 201922093754U CN 210640734 U CN210640734 U CN 210640734U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
A power line monitoring and wireless extension device comprises a wireless transmission module, a relay module, an open type dry contact isolation interface, a directional antenna and a power supply. And the wireless transmission module is used for receiving the signal sent by the sensing module of the existing line monitoring system by using the directional antenna and sending the signal after the signal is modulated by Gaussian frequency shift keying. And the relay module is used for receiving the signal sent by the wireless transmission module by using the directional antenna, amplifying the signal and then sending the signal. And the open type dry contact isolation interface is used for receiving the signal sent by the wireless transmission module or the relay module by using the directional antenna, converting the signal into a form which can be in butt joint with the mobile signal and sending the signal to the control terminal. The device can replace the original 4G monitoring system, accomplishes the signal transmission between current line monitoring system sensing module and control terminal, guarantees the reliability that control terminal received the signal, has solved the signal unstability in the signal transmission process, has lost the situation of antithetical couplet, has strengthened electric wire netting operation safety.
Description
Technical Field
The utility model belongs to electric power telemechanical field especially relates to a power line monitoring and wireless extension device.
Background
With the rapid development of electric power line construction, the demand of electric power lines is gradually increasing. The reliability and the safety of the power line are closely related to the safety of reliable operation of the power system, the defect prediction and the state maintenance of the power line are carried out, and the safety of the power system can be improved.
However, the original 4G line monitoring system cannot well cover the mobile base station due to the fact that factors such as high mountains and canyons are difficult to avoid, a 4G signal blind area exists, so that fault alarm signals of a plurality of stations of the original system are intermittent, even the contact is interrupted for a long time, the major defect of monitoring is lost, the defect of the early warning system often needs emergency repair, the work efficiency of manual line patrol is low after the defect of the early warning system, the risk is large, economic loss can be caused to life and production due to line power failure accidents caused by the defect of the early warning system, and the operation safety of a power grid is threatened.
Therefore, the existing line monitoring system needs to enlarge the signal coverage and enhance the signal strength to ensure the stability and safety of the power system.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a power line monitoring and wireless extension device.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a power line monitoring and wireless extension device is characterized in that the device comprises a wireless transmission module, a relay module, an open type dry contact isolation interface, a directional antenna and a power supply, wherein,
the wireless transmission module is arranged near a sensing module of the existing line monitoring system and used for receiving a signal sent by the sensing module of the existing line monitoring system by using a first directional antenna connected with the wireless transmission module, and the signal is modulated by Gaussian frequency shift keying and then sent to the relay module or the open type dry contact isolation interface through the first directional antenna;
the relay module is arranged at a position without a mobile signal, and is used for receiving a signal sent by the wireless transmission module by using a second directional antenna connected with the relay module, amplifying the signal and transmitting the signal to a next relay module or an open dry contact isolation interface through the second directional antenna;
the open type dry contact isolation interface is arranged at a position with a mobile signal, and is used for receiving the signal sent by the wireless transmission module or the relay module by using a third directional antenna connected with the open type dry contact isolation interface, converting the signal into a form capable of being in butt joint with the mobile signal, and sending the signal to a control terminal through the third directional antenna;
the power supply is connected with the wireless transmission module, the relay module and the open type dry contact isolation interface through power lines and used for supplying power to the wireless transmission module, the relay module and the open type dry contact isolation interface.
Further, the wireless transmission module is a U-segment 400MHz frequency wireless transmission module.
Furthermore, the relay modules are arranged in n numbers, wherein n is more than or equal to 0.
Further, the installation height of the directional antenna is more than 3 meters.
Furthermore, the power supply is a variable-frequency micro-power-consumption integrated power supply.
Based on the above embodiment, the utility model provides a power line monitoring and wireless extension device. The device has realized receiving, wireless transmission and the enlargies retransmission to the signal that current line monitoring devices sensing module sent through wireless transmission module, relay module and open dry contact isolation interface, has improved signal transmission's reliability, has replaced original 4G line monitoring devices, has solved the defect that a lot of multiple spot station fault alarm signal in the area that has the removal signal blind area are unstable even lose. The directional antenna is used for receiving and sending signals in the signal transmission process, the signal strength and the anti-interference capability can be enhanced through the directional transmission of the signals, and the problem of unstable signals in the signal transmission process is solved. The power line monitoring and wireless expansion device ensures the integrity of signals received by the control terminal, solves the problems of unstable signals, loss and loss of connection in the signal transmission process, and enhances the operation safety of a power grid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic diagram of a power line monitoring and wireless expansion device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of a power line monitoring and wireless expansion device according to an embodiment of the present invention. As shown in fig. 1, the power line monitoring and wireless expansion device provided in this embodiment mainly includes a wireless transmission module 2, a relay module 3, an open dry contact isolation interface 4, a first directional antenna 5, a second directional antenna 7, a third directional antenna 9, and power supplies 6, 8, and 10.
Specifically, the wireless transmission module 2 is installed near the existing line monitoring system sensing module 1, and is configured to receive a signal sent by the existing line monitoring system sensing module 1 by using the first directional antenna 5 connected thereto, perform gaussian frequency shift keying modulation on the signal, and send the signal to the relay module 3 through the first directional antenna 5. The first directional antenna 5 is connected to the wireless transmission module 2 by a feeder line. The power supply 6 is connected with the wireless transmission module 2 through a power line and supplies power to the wireless transmission module 2.
The wireless transmission module 2 is a U-section 400MHz frequency wireless transmission module, the U-section 400MHz frequency belongs to high frequency, short wavelength, strong electric wave penetration ability and weak diffraction ability, so that signals transmitted by the U-section 400MHz frequency can be transmitted in high mountain canyon terrain well. In addition, the wireless transmission module 2 modulates the signals by adopting a frequency hopping technology based on Gaussian frequency shift keying, so that the same frequency interference can be avoided, and the transmission reliability is improved. The wireless transmission module 2 also adopts a time division multiple access communication technology to automatically synchronize communication time units so as to avoid data collision; the self-adaptive algorithm of transmission rate and transmission distance is adopted, interference is prevented, and the system capacity is increased; by adopting an efficient forward error correction channel coding technology, when the channel error rate is 10 < -2 >, the actual error rate can be obtained to be 10 < -5 > to 10 < -6 >. Therefore, the wireless transmission module 2 can be well suitable for geographical environment variable regions, and the problem that signals in a mobile signal blind area cannot be effectively transmitted in high mountain canyon regions is effectively solved.
The first directional antenna 5 is arranged at a height larger than 3 m, the reliable transmission distance can reach 3-5km, the directional antenna 5 can be adjusted to be particularly strong for transmitting and receiving electromagnetic waves in one or more directions, and the transmitting and receiving electromagnetic waves in other directions are close to zero, so that the signal strength and the anti-interference capability can be enhanced by using the first directional antenna 5, the optimal direction for receiving and transmitting signals can be combined according to the mobile signal blind area, and the problem that the mobile signal blind area can not receive and send signals can be solved.
The power supply 6 is a frequency conversion micro-power consumption integrated power supply system, the power emission modules LOP1, LOP2 and LOP3 have the following response time: 12s, 24h-12s and 24h, and can solve the power supply problem in complex environments such as high mountain canyons and the like.
The relay module 3 is installed at a position without a mobile signal, and is used for receiving a signal sent by the wireless transmission module 2 by using a second directional antenna 7 connected with the relay module, amplifying the signal, and transmitting the signal to the next relay module or the open dry contact isolation interface 4 through the second directional antenna 7. The second directional antenna 7 is connected to the relay module 3 by a feeder line. The power supply 8 is connected with the relay module 3 through a power line to supply power to the relay module 3.
It should be noted that, when the relay module 3 is applied, it is required that the receiving end and the transmitting end are visible and have no obstruction, and the signal receiving and transmitting of the relay module are completed through the second directional antenna 7 with an effective transmission distance of 3-5km, so when the terrain of the blind area of the mobile signal is more complex and the range is larger, 2 or more relay modules can be arranged to ensure that the signal is transmitted to the area with the mobile signal. Meanwhile, when the range of the mobile signal blind area is small, the relay module is not required to be installed, and the signal sent by the wireless transmission module 2 directly reaches the open type dry contact isolation interface 4. Therefore, the relay module has higher flexibility in use, and different installation and arrangement can be carried out according to the specific conditions of different areas.
And the open type dry contact isolation interface 4 is arranged at a position with a mobile signal, is used for receiving the signal sent by the relay module 3 by using the third directional antenna 9, is in butt joint with the original mobile network, converts the signal into a form capable of being in butt joint with the mobile signal, and sends the signal to the control terminal 11 through the third directional antenna. The third directional antenna 9 is connected with the open dry contact isolation interface 4 through a feeder line. The power supply 10 is connected with the open type dry contact isolation interface 4 through a power line and supplies power to the open type dry contact isolation interface 4.
According to the line monitoring and wireless transmission expanding device, the directional antenna is used for receiving and sending signals, the strength and the anti-interference capability of signal transmission are enhanced, the wireless transmission module modulates the signals, the anti-interference performance of the signals is improved, the reliability of the signals is guaranteed, the distance of signal transmission is increased by the relay module, and the open type dry contact isolation interface is used for completing butt joint of the signals and an original mobile network and transmitting the signals to the control terminal. The installation position and the number of the whole device can be flexibly allocated according to the specific conditions of different areas, and the transmission of signals between the sensing module and the control terminal of the existing line monitoring system can be completed flexibly and reliably among the modules. The device can replace original 4G line monitoring system, has solved original 4G line monitoring system and has caused that the mobile base station can not be fine comprehensive coverage because of factors such as mountain canyon are difficult to avoid, has 4G signal blind area, makes the problem that many multiple spot station fault alarm signal of original system interrupted the contact for a long time or even lost the major defect of guardianship. The stability and the safety of the power system are ensured.
The embodiments in this specification are described in a progressive manner. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (5)
1. A power line monitoring and wireless extension device is characterized in that the device comprises a wireless transmission module, a relay module, an open type dry contact isolation interface, a directional antenna and a power supply, wherein,
the wireless transmission module is arranged near a sensing module of the existing line monitoring system and used for receiving a signal sent by the sensing module of the existing line monitoring system by using a first directional antenna connected with the wireless transmission module, and the signal is modulated by Gaussian frequency shift keying and then sent to the relay module or the open type dry contact isolation interface through the first directional antenna;
the relay module is arranged at a position without a mobile signal, and is used for receiving a signal sent by the wireless transmission module by using a second directional antenna connected with the relay module, amplifying the signal and transmitting the signal to a next relay module or an open dry contact isolation interface through the second directional antenna;
the open type dry contact isolation interface is arranged at a position with a mobile signal, and is used for receiving the signal sent by the wireless transmission module or the relay module by using a third directional antenna connected with the open type dry contact isolation interface, converting the signal into a form capable of being in butt joint with the mobile signal, and sending the signal to a control terminal through the third directional antenna;
the power supply is connected with the wireless transmission module, the relay module and the open type dry contact isolation interface through power lines and used for supplying power to the wireless transmission module, the relay module and the open type dry contact isolation interface.
2. The power line monitoring and wireless extension device of claim 1, wherein the wireless transmission module is a U-band 400MHz frequency wireless transmission module.
3. The power line monitoring and wireless extension device of claim 1, wherein the number of the relay modules is n, wherein n is greater than or equal to 0.
4. The power line monitoring and wireless extension device of claim 1, wherein the directional antenna mounting height is greater than 3 meters.
5. The power line monitoring and wireless extension device of claim 1, wherein the power supply is a variable frequency micro-power integrated power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922093754.7U CN210640734U (en) | 2019-11-28 | 2019-11-28 | Power line monitoring and wireless extension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922093754.7U CN210640734U (en) | 2019-11-28 | 2019-11-28 | Power line monitoring and wireless extension device |
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| CN210640734U true CN210640734U (en) | 2020-05-29 |
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| CN201922093754.7U Active CN210640734U (en) | 2019-11-28 | 2019-11-28 | Power line monitoring and wireless extension device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132211A (en) * | 2021-03-25 | 2021-07-16 | 南京物联传感技术有限公司 | Adapter for dry contact wired signal and Zigbee wireless signal |
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2019
- 2019-11-28 CN CN201922093754.7U patent/CN210640734U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132211A (en) * | 2021-03-25 | 2021-07-16 | 南京物联传感技术有限公司 | Adapter for dry contact wired signal and Zigbee wireless signal |
| CN113132211B (en) * | 2021-03-25 | 2023-10-27 | 南物科城传感技术(广州)有限公司 | Adapter for dry access point wired signals and Zigbee wireless signals |
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