CN213402567U - Monitoring information acquisition and transmission system of transformer substation - Google Patents
Monitoring information acquisition and transmission system of transformer substation Download PDFInfo
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- CN213402567U CN213402567U CN202022122467.7U CN202022122467U CN213402567U CN 213402567 U CN213402567 U CN 213402567U CN 202022122467 U CN202022122467 U CN 202022122467U CN 213402567 U CN213402567 U CN 213402567U
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Abstract
The utility model discloses a monitoring information acquisition and transmission system of a transformer substation, which comprises a data collection and transmission node and monitoring nodes positioned in different areas of the transformer substation; the monitoring node comprises an induction information acquisition module, an image information acquisition module, a first microprocessor and a first wireless sending module; the data collection transmission node comprises a first wireless receiving module, a central processing unit, a transmission switch, a second wireless sending module, a cache switch, a second microprocessor, a cache, a continuous transmission switch, a signal strength detection module and a switch control module. The utility model discloses when the monitoring information to the transformer substation collects the transmission, considered communication signal's influence, carried out the buffer memory to monitoring information when the signal is relatively poor to resume passing after the signal resumes normally, effectively avoided losing of monitoring information, provide very big convenience for transformer substation monitoring information's collection transmission.
Description
Technical Field
The utility model relates to a smart power grids's transformer substation monitoring especially relates to a monitoring information acquisition transmission system of transformer substation.
Background
The smart grid is the intellectualization of the grid, also called "grid 2.0", which is based on an integrated, high-speed two-way communication network, and through the application of advanced sensing and measurement technologies, advanced equipment technologies, advanced control methods and advanced decision support system technologies, the main features of which include self-healing, excitation and inclusion of users, resistance to attacks, provision of power quality meeting the user requirements in the 21 st century, allowance of access to various different forms of power generation, startup of the power market and optimized efficient operation of assets.
The transformer substation is an important component of the smart power grid, monitoring of the transformer substation is of great significance for guaranteeing stable operation of the smart power grid, however, in the current collection and transmission process of transformer substation monitoring information, data loss may be caused due to the problem of communication signals, and inconvenience is brought to monitoring of the transformer substation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a monitoring information acquisition transmission system of transformer substation, when collecting the transmission to the monitoring information of transformer substation, considered communication signal's influence, carried out the buffer memory to monitoring information when the signal is relatively poor to continue to pass after signal recovery is normal, effectively avoided losing of monitoring information.
The purpose of the utility model is realized through the following technical scheme: a monitoring information acquisition and transmission system of a transformer substation comprises data collection and transmission nodes and monitoring nodes located in different areas in the transformer substation;
the monitoring node comprises a sensing information acquisition module, an image information acquisition module, a first microprocessor and a first wireless sending module, wherein the output ends of the sensing information acquisition module and the image information acquisition module are connected with the first microprocessor; the output end of the first microprocessor is connected with the data collection transmission node through a first wireless sending module;
the data collection transmission node comprises a first wireless receiving module, a central processing unit, a transmission switch, a second wireless sending module, a cache switch, a second microprocessor, a cache, a continuous transmission switch, a signal strength detection module and a switch control module; the input end of the first wireless receiving module is connected with a first wireless sending module in each monitoring node, the output end of the first wireless receiving module is connected with a central processing unit, the output end of the central processing unit is respectively connected with a cache switch and a transmission switch, the output end of the transmission switch is connected with a second wireless sending module, the output end of the cache switch is connected with a second microprocessor, the second microprocessor is bidirectionally connected with a cache, the output end of the second microprocessor is further connected with the second wireless sending module through a continuous transmission switch, and the second wireless sending module is used for transmitting received information to a monitoring background; the signal intensity detection module is used for detecting the signal intensity between the second wireless sending module and the monitoring background, the output end of the signal intensity detection module is connected with the switch control module, and the output end of the switch control module is respectively connected with the transmission switch, the cache switch and the continuous transmission switch.
Preferably, the sensing information acquisition module comprises a temperature sensor, a humidity sensor and an arc light sensor, and the output ends of the temperature sensor, the humidity sensor and the arc light sensor are connected with the first microprocessor. The image information acquisition module comprises at least one camera, the camera acquires image information in a corresponding area of a monitoring node where the camera is located, and the output end of the camera is connected with the first microprocessor. Each monitoring node further comprises an induction power taking device, the induction power taking device comprises an induction power taking module, a rectifier and a DC/DC conversion module, the output end of the induction power taking module is connected with the rectifier, the output end of the rectifier is connected with the DC/DC conversion module, and the output end of the DC/DC conversion module supplies power to the whole monitoring node; the induction electricity taking module is a current transformer or a voltage transformer. The first wireless sending module and the first wireless receiving module adopt the same type of wireless communication module, and the wireless communication module is a GSM communication module or a GPRS communication module. The data collection transmission node further comprises a near field communication module which is in bidirectional connection with the central processing unit, and the near field communication module is a Bluetooth module or a WIFI module. The second wireless sending module is a 4G communication module or a 5G communication module.
The switch control module comprises a comparator, a reference signal source and a level inverter; the output end of the comparator is connected with the control input ends of the continuous transmission switch and the transmission switch respectively, and the output end of the comparator is also connected with the control input end of the cache switch through the level inverter.
The utility model has the advantages that: when monitoring information of a transformer substation is collected and transmitted, the influence of communication signals is considered, the monitoring information is cached when the signals are poor, continuous transmission is carried out after the signals are recovered to be normal, and the loss of the monitoring information is effectively avoided.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, a monitoring information acquisition and transmission system of a transformer substation includes a data collection and transmission node and monitoring nodes located in different areas in the transformer substation;
the monitoring node comprises a sensing information acquisition module, an image information acquisition module, a first microprocessor and a first wireless sending module, wherein the output ends of the sensing information acquisition module and the image information acquisition module are connected with the first microprocessor; the output end of the first microprocessor is connected with the data collection transmission node through a first wireless sending module;
the data collection transmission node comprises a first wireless receiving module, a central processing unit, a transmission switch, a second wireless sending module, a cache switch, a second microprocessor, a cache, a continuous transmission switch, a signal strength detection module and a switch control module; the input end of the first wireless receiving module is connected with a first wireless sending module in each monitoring node, the output end of the first wireless receiving module is connected with a central processing unit, the output end of the central processing unit is respectively connected with a cache switch and a transmission switch, the output end of the transmission switch is connected with a second wireless sending module, the output end of the cache switch is connected with a second microprocessor, the second microprocessor is bidirectionally connected with a cache, the output end of the second microprocessor is further connected with the second wireless sending module through a continuous transmission switch, and the second wireless sending module is used for transmitting received information to a monitoring background; the signal intensity detection module is used for detecting the signal intensity between the second wireless sending module and the monitoring background, the output end of the signal intensity detection module is connected with the switch control module, and the output end of the switch control module is respectively connected with the transmission switch, the cache switch and the continuous transmission switch.
In the embodiment of this application, response information acquisition module includes temperature sensor, humidity transducer and electric arc light sensor, temperature sensor, humidity transducer and electric arc light sensor's output all is connected with first microprocessor. The image information acquisition module comprises at least one camera, the camera acquires image information in a corresponding area of a monitoring node where the camera is located, and the output end of the camera is connected with the first microprocessor. Each monitoring node further comprises an induction power taking device, the induction power taking device comprises an induction power taking module, a rectifier and a DC/DC conversion module, the output end of the induction power taking module is connected with the rectifier, the output end of the rectifier is connected with the DC/DC conversion module, and the output end of the DC/DC conversion module supplies power to the whole monitoring node; in the embodiment, the monitoring background and the data collection transmission node are powered by a self-contained storage battery pack; the induction electricity taking module is a current transformer or a voltage transformer. The first wireless sending module and the first wireless receiving module adopt the same type of wireless communication module, and the wireless communication module is a GSM communication module or a GPRS communication module. The data collection transmission node further comprises a near field communication module which is in bidirectional connection with the central processing unit, and the near field communication module is a Bluetooth module or a WIFI module. The second wireless sending module is a 4G communication module or a 5G communication module, and the monitoring background needs to include a wireless receiving module matched with the second wireless sending module so as to receive monitoring information.
In an embodiment of the present application, the switch control module includes a comparator, a reference signal source, and a level inverter; the output end of the comparator is respectively connected with the control input ends of the continuous transmission switch and the transmission switch, and the output end of the comparator is also connected with the control input end of the cache switch through the level inverter; in this embodiment, the cache switch, the transmission switch and the continuation switch are all MOS analog switches; in this embodiment, a signal of the reference signal source is a signal intensity threshold of a broken line, and under a normal condition, a signal output by the signal intensity detection module is greater than a signal of the reference signal source, at this time, the comparator outputs a high level, the transmission switch and the continuation switch are turned on, the level inverter outputs a low level, the cache switch is turned off, at this time, information output by the central processing unit is transmitted to the second wireless transmission module through the transmission switch, and the second wireless transmission module transmits the information to the monitoring background; when the signal strength is weaker and lower than the signal of the reference signal source, the signal transmission between the second wireless sending module and the monitoring background is difficult to be normally carried out at the moment, the comparator outputs a low level, the transmission switch and the continuous transmission switch are cut off, the level inverter outputs a high level, the cache switch is turned on, the central processing unit transmits the received information to the second microprocessor and stores the information in the cache, when the signal strength is recovered to be normal again, the signal output by the signal strength detection module is larger than the signal of the reference signal source, the comparator outputs a high level, the transmission switch and the continuous transmission switch are turned on, the level inverter outputs a low level, the cache switch is cut off, at the moment, the information output by the central processing unit is transmitted to the second wireless sending module through the transmission switch and is sent to the monitoring background by the second wireless sending module, and on the other hand, the information in the cache is transmitted to the second wireless sending module through the continuous, the second wireless sending module transmits the part of cache information to a monitoring background; therefore, detection information loss caused by communication signal fluctuation is effectively avoided.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The utility model provides a monitoring information acquisition transmission system of transformer substation which characterized in that: the monitoring system comprises data collection and transmission nodes and monitoring nodes positioned in different areas in a transformer substation;
the monitoring node comprises a sensing information acquisition module, an image information acquisition module, a first microprocessor and a first wireless sending module, wherein the output ends of the sensing information acquisition module and the image information acquisition module are connected with the first microprocessor; the output end of the first microprocessor is connected with the data collection transmission node through a first wireless sending module;
the data collection transmission node comprises a first wireless receiving module, a central processing unit, a transmission switch, a second wireless sending module, a cache switch, a second microprocessor, a cache, a continuous transmission switch, a signal strength detection module and a switch control module; the input end of the first wireless receiving module is connected with a first wireless sending module in each monitoring node, the output end of the first wireless receiving module is connected with a central processing unit, the output end of the central processing unit is respectively connected with a cache switch and a transmission switch, the output end of the transmission switch is connected with a second wireless sending module, the output end of the cache switch is connected with a second microprocessor, the second microprocessor is bidirectionally connected with a cache, the output end of the second microprocessor is further connected with the second wireless sending module through a continuous transmission switch, and the second wireless sending module is used for transmitting received information to a monitoring background; the signal intensity detection module is used for detecting the signal intensity between the second wireless sending module and the monitoring background, the output end of the signal intensity detection module is connected with the switch control module, and the output end of the switch control module is respectively connected with the transmission switch, the cache switch and the continuous transmission switch.
2. The monitoring information acquisition and transmission system of the transformer substation according to claim 1, characterized in that: the induction information acquisition module comprises a temperature sensor, a humidity sensor and an arc light sensor, and the output ends of the temperature sensor, the humidity sensor and the arc light sensor are connected with the first microprocessor.
3. The monitoring information acquisition and transmission system of the transformer substation according to claim 1, characterized in that: the image information acquisition module comprises at least one camera, the camera acquires image information in a corresponding area of a monitoring node where the camera is located, and the output end of the camera is connected with the first microprocessor.
4. The monitoring information acquisition and transmission system of the transformer substation according to claim 1, characterized in that: each monitoring node further comprises an induction power taking device, the induction power taking device comprises an induction power taking module, a rectifier and a DC/DC conversion module, the output end of the induction power taking module is connected with the rectifier, the output end of the rectifier is connected with the DC/DC conversion module, and the output end of the DC/DC conversion module supplies power to the whole monitoring node; the induction electricity taking module is a current transformer or a voltage transformer.
5. The monitoring information acquisition and transmission system of the transformer substation according to claim 1, characterized in that: the first wireless sending module and the first wireless receiving module adopt the same type of wireless communication module, and the wireless communication module is a GSM communication module or a GPRS communication module.
6. The monitoring information acquisition and transmission system of the transformer substation according to claim 1, characterized in that: the data collection transmission node further comprises a near field communication module which is in bidirectional connection with the central processing unit, and the near field communication module is a Bluetooth module or a WIFI module.
7. The monitoring information acquisition and transmission system of the transformer substation according to claim 1, characterized in that: the second wireless sending module is a 4G communication module or a 5G communication module.
8. The monitoring information acquisition and transmission system of the transformer substation according to claim 1, characterized in that: the switch control module comprises a comparator, a reference signal source and a level turner; the output end of the comparator is connected with the control input ends of the continuous transmission switch and the transmission switch respectively, and the output end of the comparator is also connected with the control input end of the cache switch through the level inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022122467.7U CN213402567U (en) | 2020-09-24 | 2020-09-24 | Monitoring information acquisition and transmission system of transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022122467.7U CN213402567U (en) | 2020-09-24 | 2020-09-24 | Monitoring information acquisition and transmission system of transformer substation |
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| CN213402567U true CN213402567U (en) | 2021-06-08 |
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| CN202022122467.7U Active CN213402567U (en) | 2020-09-24 | 2020-09-24 | Monitoring information acquisition and transmission system of transformer substation |
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