CN210041433U - Distribution network load monitoring equipment and system - Google Patents
Distribution network load monitoring equipment and system Download PDFInfo
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- CN210041433U CN210041433U CN201920924756.3U CN201920924756U CN210041433U CN 210041433 U CN210041433 U CN 210041433U CN 201920924756 U CN201920924756 U CN 201920924756U CN 210041433 U CN210041433 U CN 210041433U
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Abstract
The utility model relates to a distribution network load supervisory equipment and system carries out the sampling of the signal of telecommunication to the distribution network through the signal sampling module among each discrete monitoring device, obtains the sampling result. Meanwhile, the sampling result is sent to a second short-distance communication module of the central processing device through the first short-distance communication module, the data processing module can perform centralized processing according to the sampling results to obtain monitoring data corresponding to the discrete monitoring devices one to one, and the monitoring data is sent to the server through the long-distance communication module, so that related monitoring personnel can know the load state of the power distribution network in time. Based on this, the discrete monitoring device carries out short-range communication through first short-range communication module, need not extra long-range communication mode, reduces remote communication's cost. Meanwhile, the sampling results are processed in a centralized mode through one data processing module, and the processing cost of the sampling results is reduced. Therefore, the cost for monitoring the load of the power distribution network is effectively reduced.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to a distribution network load monitoring equipment and system.
Background
The power distribution network load monitoring refers to the collection and monitoring of power distribution network data, load monitoring and management and the like, so that relevant managers can effectively monitor the running state of the power distribution network. The traditional monitoring mode is mainly that a plurality of distribution network load monitoring devices are configured in the range of a distribution network, each distribution network load monitoring device independently collects electric signals of the distribution network, operating parameters of the distribution network are calculated according to the electric signals, and the parameters are sent to a server through remote communication.
The distribution network load monitoring equipment is often arranged at a position far away from a server because the distribution network load monitoring equipment needs to be monitored in a large range, so that the distribution network load monitoring equipment needs to be provided with a communication module with good remote communication capability, and the cost for remote communication is high. Meanwhile, the cost of the power distribution network load monitoring equipment is high due to the fact that the power distribution network load monitoring equipment is matched with a processing module which can be used for calculating the operation parameters of the power distribution network.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a distribution network load monitoring device and system aiming at the problem that the cost of using the traditional distribution network load monitoring device for monitoring the load of the distribution network is high.
A load monitoring device of a power distribution network comprises a central processing device and one or more discrete monitoring devices;
the discrete monitoring device comprises a signal sampling module and a first short-distance communication module; the central processing device comprises a data processing module, a second short-distance communication module and a long-distance communication module;
the signal sampling module is used for sampling the electric signals of the power distribution network and outputting a sampling result according to the electric signals obtained by sampling;
the first near communication module is used for outputting a sampling result to the second near communication module;
the data processing module is used for acquiring sampling results of the discrete monitoring devices through the second short-distance communication module and respectively obtaining monitoring data according to the sampling results;
the remote communication module is used for sending the monitoring data to the server.
In one embodiment, the discrete monitoring device further comprises a remote control module;
the remote control module is used for controlling the electric signal sampling of the signal sampling module according to the remote control signal.
In one embodiment, the discrete monitoring apparatus further comprises a device communication module;
the device communication module is used for establishing communication between the signal sampling module and external devices.
In one embodiment, the central processing device further comprises a storage module;
the storage module is connected with the data processing module and used for storing the monitoring data.
In one embodiment, the central processing device further comprises a debugging communication module;
the debugging communication module is used for establishing debugging communication between the data processing module and the debugging equipment.
In one embodiment, the first near communication module and the second near communication module each include a ZigBee communication module, a WIFI communication module, a bluetooth communication module, or an infrared communication module.
In one embodiment, the remote communication module comprises a 4G communication module or a GPS communication module.
In one embodiment, the signal sampling module includes an analog acquisition circuit.
In one embodiment, the data processing module comprises an ARM processor.
A power distribution network load monitoring system comprises a server and one or more power distribution network load monitoring devices of any one of the embodiments;
and the server receives monitoring data sent by the power distribution network load monitoring equipment.
According to the power distribution network load monitoring equipment and the power distribution network load monitoring system, the signal sampling modules in the discrete monitoring devices are used for sampling the electric signals of the power distribution network, and sampling results are obtained. Meanwhile, the sampling result is sent to a second short-distance communication module of the central processing device through the first short-distance communication module, the data processing module can perform centralized processing according to the sampling results to obtain monitoring data corresponding to the discrete monitoring devices one to one, and the monitoring data is sent to the server through the long-distance communication module, so that related monitoring personnel can know the load state of the power distribution network in time. Based on this, the discrete monitoring device carries out short-range communication through first short-range communication module, need not extra long-range communication mode, reduces remote communication's cost. Meanwhile, the sampling results are processed in a centralized mode through one data processing module, and the processing cost of the sampling results is reduced. Therefore, the cost for monitoring the load of the power distribution network is effectively reduced.
Drawings
Fig. 1 is a block diagram of a load monitoring device of a power distribution network according to an embodiment;
FIG. 2 is a block diagram of a power distribution network load monitoring device based on 4G communication;
FIG. 3 is a block diagram of another embodiment of a distribution network load monitoring device module;
fig. 4 is a schematic application diagram of a distribution network load monitoring device according to a specific application example;
fig. 5 is a block diagram of a power distribution network load monitoring system according to an embodiment.
Detailed Description
For better understanding of the objects, technical solutions and technical effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be noted that the following examples are only for explaining the present invention and are not intended to limit the present invention.
The embodiment of the utility model provides a distribution network load supervisory equipment is provided.
Fig. 1 is a block diagram of a load monitoring device of a power distribution network according to an embodiment, as shown in fig. 1, the load monitoring device of the power distribution network according to an embodiment includes a central processing unit 100 and one or more discrete monitoring units 101;
the discrete monitoring device 101 comprises a signal sampling module 200 and a first close-range communication module 201; the central processing device 100 comprises a data processing module 300, a second close-range communication module 301 and a far-range communication module 302;
the signal sampling module 200 is used for sampling an electric signal of the power distribution network and outputting a sampling result according to the electric signal obtained by sampling;
the signal sampling module 200 is connected to the power distribution network, and samples voltage and current of the power distribution network to obtain a sampling result. In one embodiment, the signal sampling module 200 includes an analog sampling circuit or a data sampling chip. As a preferred embodiment, the signal sampling module 200 uses an analog acquisition circuit. The analog acquisition circuit converts the voltage and current of three-phase four-wire or three-phase three-wire in the power distribution network into corresponding digital signals, namely sampling results.
The first near communication module 201 is used for outputting the sampling result to the second near communication module 301;
the first near communication module 201 and the second near communication module 301 perform near communication, and output a sampling result to the second near communication module 301. In one embodiment, the first short-range communication module 201 and the second short-range communication module 301 each include a ZigBee communication module, a WIFI communication module, a bluetooth communication module, or an infrared communication module. Through selecting for use zigBee communication module, WIFI communication module, bluetooth communication module or the infrared communication module that possesses near field communication ability, need not to select for use the communication module that possesses far field communication ability that the cost is higher, be favorable to reduce cost.
As a preferred embodiment, the first near field communication module 201 and the second near field communication module 301 both use ZigBee communication modules, and the signal sampling module 200 sends the sampling result to the data processing module 300 through wireless communication between the two ZigBee communication modules. The ZigBee communication module is selected, so that the cost and the power consumption of the power distribution network load monitoring equipment can be controlled. Meanwhile, the communication range of the ZigBee communication module is convenient for arrangement in the power distribution network load monitoring equipment.
The data processing module 300 is configured to obtain sampling results of each discrete monitoring device 101 through the second near communication module 301, and obtain monitoring data according to the sampling results;
the data processing module 300 obtains the sampling results of each discrete monitoring device 101 through the second near communication module 301, and obtains corresponding monitoring data according to each sampling result. Each monitoring data corresponds to each sampling result one by one. In one embodiment, the data processing module 300 comprises an MCU or ARM processor. In a preferred embodiment, the data processing module 300 is an ARM processor. And the ARM processor runs a preset program and acquires monitoring data according to a sampling result. The monitoring data comprises electric signal waveform data and fault event data of the power distribution network.
The remote communication module 302 is used to transmit the monitoring data to the server.
The remote communication module 302 is used for establishing remote communication between the data processing module 300 and the server, and the remote communication module 302 is selected to adapt to the distance configuration between the distribution network load monitoring equipment and the server, so that the distribution network load monitoring equipment can be effectively arranged in an area far away from the server. In one embodiment, the long-range communication module 302 comprises a 4G communication module or a GPS communication module.
As a preferred embodiment, the long-distance communication module 302 is a 4G communication module. Fig. 2 is a block diagram of a power distribution network load monitoring device based on 4G communication, and as shown in fig. 2, after the remote communication module 302 selects the 4G communication module 400, the power distribution network load monitoring device further includes a wireless network card module 401; the data processing module 300 is connected to the wireless network card module 401 and the 4G communication module 400, respectively. The wireless network card module 401 is used to access a wireless network card to support the 4G communication module 400 to establish communication between the server and the data processing module 300.
In one embodiment, fig. 3 is a block diagram of a power distribution network load monitoring device module according to another embodiment, and as shown in fig. 3, the discrete monitoring apparatus 101 according to another embodiment further includes a remote control module 500;
the remote control module 500 is used for controlling the electrical signal sampling of the signal sampling module 200 according to the remote control signal.
The remote control module 500 is configured to receive a remote control signal transmitted by an external remote control device, and control the operation of the signal sampling module 200 through the remote control signal, including controlling the signal sampling module 200 to start or stop sampling. In one embodiment, the remote control module 500 includes 315m remote control receiving module and control circuitry, or PT2272 receiving circuitry and control circuitry. The control circuit is used for controlling the operation of the signal sampling module 200 according to the remote control signal. Through remote control module 500, relevant debugging personnel can control the distribution network load monitoring equipment conveniently, and the work convenience is improved.
In one embodiment, as shown in fig. 3, the discrete monitoring apparatus 101 of another embodiment further includes a device communication module 501; the device communication module 501 is used to establish communication between the signal sampling module 200 and an external device.
The related debugging personnel can use the external device to directly obtain the sampling result of the signal sampling module 200 through the device communication module 501. In one embodiment, the device communication module 501 is used to establish bus communication with an external device, and the device communication module 501 includes an RS485 bus communication module or an RS232 bus communication module. As a preferred embodiment, the device communication module 501 is an RS485 bus communication module, and an external device establishes bus communication with the RS485 bus communication module to obtain a sampling result of the signal sampling module 200.
In one embodiment, as shown in fig. 3, the central processing apparatus 100 of another embodiment further includes a debugging communication module 502;
the debug communication module 502 is used to establish debug communication between the data processing module 300 and a debug device.
The data processing module 300 in the central processing unit 100 runs a preset program, and obtains monitoring data according to the sampling result, and needs to be debugged before normal delivery, including field parameter configuration and monitoring data check. Through the debug communication module 502, a debug device may be connected to the data processing module 300 to enable debugging of the data processing module 300. In one embodiment, the debugging communication module 502 may select a wired communication module or a wireless communication module, including an RS485 bus communication module, a bluetooth module, and the like. As a preferred embodiment, the debugging communication module 502 is a bluetooth communication module. The debugging device can be connected with the data processing module 300 through the bluetooth communication module, and performs field parameter configuration on the data processing module 300 or checks monitoring data of the data processing module 300.
In one embodiment, as shown in fig. 3, the central processing apparatus 100 of another embodiment further includes a storage module 503;
the storage module 503 is connected to the data processing module 300 and is used for storing the monitoring data.
The storage module 503 is configured to store the monitoring data, and is also configured to implement backup of the monitoring data, so as to prevent risk of data loss. In one embodiment, the storage module 503 is an EEPROM or SATA hard disk. As a preferred embodiment, the storage module 503 is a SATA hard disk, so as to increase sufficient storage space and facilitate long-time storage of monitoring data.
To better explain the embodiments of the present invention, the following description is provided as a specific example of an application of the present invention. Fig. 4 is an application schematic diagram of a load monitoring device of a power distribution network according to a specific application example, as shown in fig. 4, a central processing unit 100 is configured in any monitoring range a in the power distribution network, a plurality of discrete monitoring devices 101 are configured in a plurality of positions to be monitored in the range of the power distribution network, and the discrete monitoring devices 101 perform electrical signal sampling on the power distribution network at the positions to obtain sampling results. The central processing apparatus 100 and each of the discrete monitoring apparatuses 101 are located at different positions. The discrete monitoring apparatus 101 transmits the sampling result to the central processing apparatus 100 through the short-range wireless communication between the first short-range communication module 200 and the second short-range communication module 301. The central processing unit 100 obtains each monitoring data by sampling results of each individual monitoring device 101. Finally, the central processing apparatus 100 transmits each monitoring data to the server through the remote communication module 302.
The power distribution network load monitoring equipment performs electric signal sampling on the power distribution network through the signal sampling module 200 in each discrete monitoring device 101 to obtain a sampling result. Meanwhile, the sampling result is sent to the second short-range communication module 301 of the central processing unit 100 through the first short-range communication module 201, the data processing module 300 can perform centralized processing according to each sampling result to obtain monitoring data corresponding to each discrete monitoring device 101 one to one, and the monitoring data is sent to a server through the long-range communication module 302, so that related monitoring personnel can know the load state of the power distribution network in time. Therefore, the discrete monitoring device 101 performs short-range communication through the first short-range communication module 201, and an extra long-range communication mode is not needed, so that the cost of remote communication is reduced. Meanwhile, the sampling results are processed on one data processing module 300 in a centralized manner, so that the processing cost of the sampling results is reduced. Therefore, the cost for monitoring the load of the power distribution network is effectively reduced.
The embodiment of the utility model provides a still provide a distribution network load monitored control system.
Fig. 5 is a block diagram of a load monitoring system of a power distribution network according to an embodiment, and as shown in fig. 5, the load monitoring system of the power distribution network according to an embodiment includes a server 600 and one or more load monitoring devices 601 of the power distribution network according to any of the above embodiments;
server 600 receives monitoring data sent by distribution network load monitoring device 601.
As shown in fig. 5, each discrete monitoring device 101 in each distribution network load monitoring device 601 samples an electrical signal of the distribution network within a monitoring range, each central processing unit 100 obtains monitoring data of the distribution network within the monitoring range according to a sampling result of each discrete monitoring device 101, and uploads the monitoring data respectively, and the server 600 receives the monitoring data of each distribution network load monitoring device 601. Related monitoring personnel can acquire the monitoring data of each power distribution network load monitoring device 601 through the server, and the acquisition of the monitoring data of each monitoring range (A, B, C.) in the power distribution network is realized.
In one embodiment, as shown in fig. 5, the load monitoring system for a power distribution network of an embodiment further includes an upper computer 602. The upper computer 602 is used for connecting the server 600. The upper computer 602 can acquire each monitoring data in the server 600, run data induction software, and perform induction processing on each monitoring data, so as to facilitate visual understanding of the monitoring data in each power distribution network monitoring range.
In the power distribution network load monitoring system, the signal sampling module 200 in each discrete monitoring device 101 samples the electric signal of the power distribution network to obtain a sampling result. Meanwhile, the sampling result is sent to the second short-range communication module 301 of the central processing unit 100 through the first short-range communication module 201, the data processing module 300 can perform centralized processing according to each sampling result to obtain monitoring data corresponding to each discrete monitoring device 101 one to one, and the monitoring data is sent to the server 600 through the long-range communication module 302, so that related monitoring personnel can know the load state of the power distribution network in time. Therefore, the discrete monitoring device 101 performs short-range communication through the first short-range communication module 201, and an extra long-range communication mode is not needed, so that the cost of remote communication is reduced. Meanwhile, the sampling results are processed on one data processing module 300 in a centralized manner, so that the processing cost of the sampling results is reduced. Therefore, the cost for monitoring the load of the power distribution network is effectively reduced.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A load monitoring device for a power distribution network is characterized by comprising a central processing device and one or more discrete monitoring devices;
the discrete monitoring device comprises a signal sampling module and a first short-range communication module; the central processing device comprises a data processing module, a second short-distance communication module and a long-distance communication module;
the signal sampling module is used for sampling the electric signals of the power distribution network and outputting a sampling result according to the electric signals obtained by sampling;
the first near communication module is used for outputting the sampling result to the second near communication module;
the data processing module is used for acquiring sampling results of the discrete monitoring devices through the second short-range communication module and respectively obtaining monitoring data according to the sampling results;
the remote communication module is used for sending the monitoring data to a server.
2. The distribution network load monitoring apparatus of claim 1, wherein the discrete monitoring device further comprises a remote control module;
the remote control module is used for controlling the electric signal sampling of the signal sampling module according to the remote control signal.
3. The distribution network load monitoring device of claim 1, wherein the discrete monitoring apparatus further comprises a device communication module;
the device communication module is used for establishing communication between the signal sampling module and external devices.
4. The distribution network load monitoring apparatus of claim 1, wherein the central processing unit further comprises a memory module;
the storage module is connected with the data processing module and used for storing the monitoring data.
5. The distribution network load monitoring device of claim 1, wherein the central processing unit further comprises a commissioning communication module;
the debugging communication module is used for establishing debugging communication between the data processing module and the debugging equipment.
6. The power distribution network load monitoring device of any one of claims 1 to 5, wherein the first short-range communication module and the second short-range communication module each comprise a ZigBee communication module, a WIFI communication module, a Bluetooth communication module or an infrared communication module.
7. The distribution network load monitoring apparatus of any one of claims 1 to 5, wherein the remote communication module comprises a 4G communication module or a GPS communication module.
8. The distribution network load monitoring device of any one of claims 1 to 5, wherein the signal sampling module comprises an analog acquisition circuit.
9. The distribution network load monitoring device of any of claims 1-5, wherein the data processing module comprises an ARM processor.
10. A power distribution network load monitoring system, comprising a server and one or more power distribution network load monitoring devices according to any one of claims 1 to 9;
and the server receives monitoring data sent by the power distribution network load monitoring equipment.
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| CN201920924756.3U CN210041433U (en) | 2019-06-19 | 2019-06-19 | Distribution network load monitoring equipment and system |
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| CN201920924756.3U CN210041433U (en) | 2019-06-19 | 2019-06-19 | Distribution network load monitoring equipment and system |
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