CN214755724U - Distributed electric power parameter monitoring equipment - Google Patents
Distributed electric power parameter monitoring equipment Download PDFInfo
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- CN214755724U CN214755724U CN202022461809.8U CN202022461809U CN214755724U CN 214755724 U CN214755724 U CN 214755724U CN 202022461809 U CN202022461809 U CN 202022461809U CN 214755724 U CN214755724 U CN 214755724U
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Abstract
The utility model relates to a distributing type electric power parameter monitoring facilities and system, electric power parameter monitoring chip cluster, passageway selection treater, data communication module, mutual induction device of sampling and sampling interface have been included. The sampling mutual inductance device finishes electric signal sampling through the sampling interface to obtain an electric sampling signal. And the channel selection processor determines to transmit the electrical sampling signal to the corresponding power parameter monitoring chip to complete the power parameter monitoring processing. And diversified power parameter monitoring is realized through the deployment of the power parameter monitoring chip cluster. Meanwhile, the data communication module sends a debugging task signal issued by the monitoring server to the channel selection processor, and actively adjusts the electrical sampling signal, including adjusting the signal of the electrical sampling signal or the transmission path of the electrical sampling signal, so that remote debugging is realized and a result calibration reference is provided. On the basis, debugging personnel do not need to debug on site, and distributed deployment of the distributed power parameter monitoring equipment is facilitated.
Description
Technical Field
The utility model relates to an electric power system technical field especially has related to a distributing type electric power parameter monitoring facilities.
Background
The electric power system is an electric energy production and consumption system which consists of links such as a power plant, a power transmission and transformation line, a power supply and distribution station, power utilization and the like, and the process links comprise power generation, power transmission, power transformation, power distribution, power utilization equipment and corresponding auxiliary systems. In multiple links of normal operation of the power system, power parameters of a terminal or a line in operation need to be reasonably monitored, and reference data is improved for operation adjustment of the power system.
At present, the traditional way of monitoring power parameters is mainly realized by deploying a power parameter table. The power parameter meter is an intelligent three-phase comprehensive power parameter monitoring meter with functions of user setting, LED display, electric energy accumulation memory, digital communication and the like. The power parameter table is used for measuring power parameters including phase voltage/line voltage, current, frequency, power factor, electric energy and the like. Meanwhile, part of the power parameter meter also has a data communication function so as to facilitate remote meter reading.
With the development of the power system, the application environment and the area range of the power system are larger and larger, and the demand of the corresponding power parameter table is increased gradually. However, even in the power parameter table having the data communication function, the related personnel is required to manually debug the power parameter table according to the application scene of the site before the power parameter table is monitored, and the accuracy of the monitoring result is greatly influenced by subjective factors of the personnel. Therefore, the conventional power parameter table also has obstacles to wide-scale deployment.
In summary, it can be seen that the application of the conventional power parameter table also has the above drawbacks.
Disclosure of Invention
Therefore, it is necessary to provide a distributed power parameter monitoring apparatus and system for the defects of the application of the conventional power parameter table.
A distributed power parameter monitoring device comprises a power parameter monitoring chip cluster, a channel selection processor, a data communication module, a sampling mutual inductance device and a sampling interface;
the power parameter monitoring chip cluster is connected with a sampling mutual inductance device through a channel selection processor, and the sampling mutual inductance device is used for completing electric sampling of a target to be detected through a sampling interface; the channel selection processor is also used for realizing communication interaction with the monitoring server through the data communication module;
the channel selection processor is used for adjusting an electric connection channel between the sampling mutual inductance device and the power parameter monitoring chip and transmitting an electric sampling signal acquired by the sampling mutual inductance device to the corresponding power parameter monitoring chip;
the channel selection processor is used for acquiring a debugging task signal issued by the monitoring server through the data communication module, adjusting the electrical sampling signal according to the debugging task signal, and transmitting the adjusted electrical sampling signal to the corresponding power parameter monitoring chip.
The distributed power parameter monitoring equipment comprises a power parameter monitoring chip cluster, a channel selection processor, a data communication module, a sampling mutual inductance device and a sampling interface. The sampling mutual inductance device finishes electric signal sampling through the sampling interface to obtain an electric sampling signal. And the channel selection processor determines to transmit the electrical sampling signal to the corresponding power parameter monitoring chip to complete the power parameter monitoring processing. And diversified power parameter monitoring is realized through the deployment of the power parameter monitoring chip cluster. Meanwhile, the data communication module sends a debugging task signal issued by the monitoring server to the channel selection processor, and actively adjusts the electrical sampling signal, including adjusting the signal of the electrical sampling signal or the transmission path of the electrical sampling signal, so that remote debugging is realized and a result calibration reference is provided. On the basis, debugging personnel do not need to debug on site, and distributed deployment of the distributed power parameter monitoring equipment is facilitated.
In one embodiment, the channel selection processor comprises a microprocessor and a singlechip;
the microprocessor is respectively connected with the power parameter monitoring chip cluster, the single chip microcomputer and the data communication module;
the singlechip is connected with a sampling mutual inductance device.
In one embodiment, the sampling mutual inductance device comprises a plurality of voltage transformers and a plurality of current transformers; the sampling interface comprises a plurality of voltage sampling channels and a plurality of current sampling channels;
the voltage transformers are connected with the voltage sampling channels in a one-to-one corresponding mode, and the current transformers are connected with the current sampling channels in a one-to-one corresponding mode.
In one embodiment, the data communication module comprises a 485 communication module, a 3G/4G communication module, a Bluetooth communication module and/or a WIFI communication module.
In one embodiment, the power parameter monitoring chip cluster comprises a voltage detection chip, a current detection chip, a power metering chip and/or an electric energy special metering chip.
In one embodiment, the microprocessor is used for sending the processing result of each power parameter monitoring chip to the monitoring server.
In one embodiment, the microprocessor comprises an AT91SAM9X35 processor.
In one embodiment, the power-dedicated metering chip comprises an ATT7022EU chip.
A distributed power parameter monitoring system comprises a monitoring server and the distributed power parameter monitoring equipment of any one of the embodiments.
The distributed power parameter monitoring system comprises a monitoring server and distributed power parameter monitoring equipment. And the sampling mutual inductance device of the distributed power parameter monitoring equipment completes electric signal sampling through the sampling interface to obtain an electric sampling signal. And the channel selection processor determines to transmit the electrical sampling signal to the corresponding power parameter monitoring chip to complete the power parameter monitoring processing. And diversified power parameter monitoring is realized through the deployment of the power parameter monitoring chip cluster. Meanwhile, the data communication module sends a debugging task signal issued by the monitoring server to the channel selection processor, and actively adjusts the electrical sampling signal, including adjusting the signal of the electrical sampling signal or the transmission path of the electrical sampling signal, so that remote debugging is realized and a result calibration reference is provided. On the basis, debugging personnel do not need to debug on site, and distributed deployment of the distributed power parameter monitoring equipment is facilitated.
In one embodiment, the monitoring server is further configured to obtain the adjusted electrical sampling signal, and adjust a processing result of the power parameter monitoring chip according to the adjusted electrical sampling signal and the target signal; wherein the target signal corresponds to the debug task signal.
Drawings
FIG. 1 is a block diagram of a distributed power parameter monitoring device according to an embodiment;
FIG. 2 is a schematic diagram of distributed communications of a distributed power parameter monitoring device;
FIG. 3 is a block diagram of another embodiment of a distributed power parameter monitoring facility;
FIG. 4 is a block diagram of a distributed power parameter monitoring device according to another embodiment;
fig. 5 is a schematic networking diagram of a distributed power parameter 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 distributed electric power parameter monitoring facilities.
Fig. 1 is a block diagram of a distributed power parameter monitoring device according to an embodiment, and as shown in fig. 1, the distributed power parameter monitoring device according to an embodiment includes a power parameter monitoring chip cluster 100, a channel selection processor 101, a data communication module 102, a sampling mutual inductance device 103, and a sampling interface 104;
the power parameter monitoring chip cluster 100 is connected with a sampling mutual inductance device 103 through a channel selection processor 101, and the sampling mutual inductance device 103 is used for completing electric sampling on a target to be detected through a sampling interface 104; the channel selection processor 101 is further configured to implement communication interaction with the monitoring server through the data communication module 102;
the channel selection processor 101 is used for adjusting an electric connection channel between the sampling mutual inductance device 103 and the power parameter monitoring chip, and transmitting an electric sampling signal acquired by the sampling mutual inductance device 103 to the corresponding power parameter monitoring chip;
the channel selection processor 101 is configured to obtain a debugging task signal issued by the monitoring server through the data communication module 102, adjust the electrical sampling signal according to the debugging task signal, and transmit the adjusted electrical sampling signal to the corresponding power parameter monitoring chip.
The sampling interface 104 is connected to the target to be measured to obtain an electrical signal of the target to be measured. The sampling mutual inductance device 103 is connected with the sampling interface 104, converts the electrical signal into an electrical sampling signal, and sends the electrical sampling signal to one or more specific power parameter monitoring chips in the power parameter monitoring chip cluster 100 through the channel selection processor 101. And the electric power parameter monitoring chip completes electric power parameter monitoring processing according to the electric sampling signal to obtain a processing result, namely the electric power parameter can be used for reporting.
The data communication module 102 is connected to the monitoring server to obtain a debugging task signal issued by the monitoring server. The channel selection processor 101 adjusts the electrical sampling signal itself or the transmission path of the electrical sampling signal according to the debug task signal. For example, the electrical sampling signal transmitted to the first power parameter monitoring chip is instead transmitted to the second power parameter monitoring chip. Alternatively, the peak value of the voltage signal is increased by taking the electrical sampling signal as the voltage signal.
In one embodiment, the data communication module 102 includes a wired communication module and a wireless communication module. The wired communication method includes bus communication and the like. As a preferred embodiment, the data communication module 102 includes a 485 communication module, a 3G/4G communication module, a bluetooth communication module, and/or a WIFI communication module to be compatible with multiple types of data communication.
After obtaining the processing result, the power parameter monitoring chip uploads the processing result to the monitoring server through the channel selection processor 101 and the data communication module 102 in sequence, and the result collection is completed.
In one embodiment, fig. 2 is a schematic diagram of distributed communication of a distributed power parameter monitoring device, and as shown in fig. 2, the data communication module 102 of one distributed power parameter monitoring device a is further configured to connect with the data communication module 102 of another distributed power parameter monitoring device B. The data communication module 102 of one distributed power parameter monitoring device a completes data interaction with the monitoring server by means of another distributed power parameter monitoring device B, so as to implement distributed deployment of the distributed power parameter monitoring devices.
In one embodiment, fig. 3 is a block diagram of a distributed power parameter monitoring device according to another embodiment, and as shown in fig. 3, the sampling mutual inductance device 103 includes a plurality of voltage transformers 200 and a plurality of current transformers 201; the sampling interface 104 includes a plurality of voltage sampling channels 300 and a plurality of current sampling channels 301;
the voltage transformers 200 are connected with the voltage sampling channels 300 in a one-to-one correspondence manner, and the current transformers 201 are connected with the current sampling channels 301 in a one-to-one correspondence manner.
The voltage transformers 200 are connected with the voltage sampling channels 300 in a one-to-one correspondence, and the current transformers 201 are connected with the current sampling channels 301 in a one-to-one correspondence. For example, if the object to be measured is a three-phase four-wire power supply line, the number of lines is 4, and the number of the voltage transformers 200, the current transformers 201, the voltage sampling channels 300, and the current sampling channels 301 is 4-1 to 3. A 3-way voltage sampling path 300 and a 3-way current sampling path 301 for measuring A, B and the voltage and current of the C-phases, respectively. If the power supply circuit is a three-phase three-wire power supply line, the number of lines is 3, and the number of the voltage transformers 200, the current transformers 201, the voltage sampling channels 300, and the current sampling channels 301 is 3-1 to 2. And the 2-way voltage sampling channel 300 and the 2-way current sampling channel 301 are used for measuring the voltage and the current of the A and C three phases respectively. As shown in fig. 3, each voltage transformer 200 is correspondingly connected with one voltage sampling channel 300, and each current transformer 201 is correspondingly connected with one current sampling channel 301.
In one embodiment, fig. 4 is a block diagram of a distributed power parameter monitoring device according to another embodiment, and as shown in fig. 4, the channel selection processor 101 includes a microprocessor 400 and a single chip microcomputer 401;
the microprocessor 400 is respectively connected with the power parameter monitoring chip cluster 100, the singlechip 401 and the data communication module 102;
the singlechip 401 is connected with the sampling mutual inductance device 103.
The single chip microcomputer 401 is connected with the sampling mutual inductance device 103, converts the electrical sampling signal into a digital signal, and sends the digital signal to the microprocessor 400. The electrical sampling signals in the form of digital signals are sent by the microprocessor 400 to the respective power parameter monitoring chips.
In one embodiment, the microprocessor 400 is an ARM processor. The ARM processor can read a large amount of sampling data quickly, and quick communication processing of multiple types of sampling data is achieved, so that the data sending efficiency of the data communication module 102 is improved, and a monitoring server or another distributed power parameter monitoring device can acquire data from a remote place in time. As a preferred embodiment, the microprocessor 400 is an AT91SAM9X35 processor.
In one embodiment, the microprocessor 400 is connected to the single chip 401 through a bus, so as to improve the communication efficiency between the microprocessor 400 and the single chip 401.
In one embodiment, STM32 series single-chip microcomputer 401 is selected by single-chip microcomputer 401 to handle multiple paths of electrical sampling signals, and processing efficiency is improved.
The power parameter monitoring chip cluster 100 includes multiple types of power parameter monitoring chips, including a voltage detection chip, a current detection chip, a power metering chip and/or a dedicated electric energy metering chip.
In one embodiment, the power-dedicated metering chip comprises an ATT7022EU chip.
The distributed power parameter monitoring device of any embodiment includes a power parameter monitoring chip cluster 100, a channel selection processor 101, a data communication module 102, a sampling mutual inductance device 103, and a sampling interface 104. The sampling mutual inductance device 103 finishes electric signal sampling through the sampling interface 104 to obtain an electric sampling signal. The channel selection processor 101 determines to transmit the electrical sampling signal to the corresponding power parameter monitoring chip to complete the power parameter monitoring process. Diversified power parameter monitoring is realized through the deployment of the power parameter monitoring chip cluster 100. Meanwhile, the data communication module 102 sends the debugging task signal issued by the monitoring server to the channel selection processor 101, and actively adjusts the electrical sampling signal, including adjusting the signal itself of the electrical sampling signal or the transmission path of the electrical sampling signal, so that the remote debugging is realized and the result calibration reference is provided. On the basis, debugging personnel do not need to debug on site, and distributed deployment of the distributed power parameter monitoring equipment is facilitated.
The embodiment of the utility model provides a still provide a distributing type electric power parameter monitoring system.
Fig. 5 is a schematic networking diagram of a distributed power parameter monitoring system according to an embodiment, and as shown in fig. 5, the distributed power parameter monitoring system according to an embodiment includes a monitoring server 1000 and a distributed power parameter monitoring device 1001 according to any one of the embodiments.
As shown in fig. 5, a part of the distributed power parameter monitoring devices 1001 directly performs communication interaction with the monitoring server 1000, and a part of the distributed power parameter monitoring devices 1001 performs communication interaction with the monitoring server 1000 through another part of the distributed power parameter monitoring devices 1001.
Based on this, the monitoring server 1000 obtains the processing result of each distributed power parameter monitoring system through direct communication interaction or indirect communication interaction. The relevant user may query or derive the processing results by logging into the monitoring server 1000.
In one embodiment, after issuing the debugging task signal to the specific distributed power parameter monitoring device 1001, the monitoring server 1000 further obtains the adjusted electrical sampling signal from the specific distributed power parameter monitoring device 1001, and adjusts the processing result of the power parameter monitoring chip according to the adjusted electrical sampling signal and the target signal; wherein the target signal corresponds to the debug task signal.
After the debugging task signal is issued, the channel selection processor in the distributed power parameter monitoring device 1001 adjusts the electrical sampling signal, and sends the adjusted electrical sampling signal to the monitoring server 1000. In one embodiment, the monitoring server 1000 stores a mapping relationship between the debugging task signal and the target signal.
And adjusting the processing result of the power parameter monitoring chip according to the adjusted electric sampling signal and the target signal so as to correct the processing result.
The distributed power parameter monitoring system includes a monitoring server 1000 and a distributed power parameter monitoring device 1001. The sampling mutual inductance device of the distributed power parameter monitoring equipment 1001 completes electric signal sampling through the sampling interface to obtain an electric sampling signal. And the channel selection processor determines to transmit the electrical sampling signal to the corresponding power parameter monitoring chip to complete the power parameter monitoring processing. And diversified power parameter monitoring is realized through the deployment of the power parameter monitoring chip cluster. Meanwhile, the data communication module sends a debugging task signal issued by the monitoring server to the channel selection processor, and actively adjusts the electrical sampling signal, including adjusting the signal of the electrical sampling signal or the transmission path of the electrical sampling signal, so that remote debugging is realized and a result calibration reference is provided. On the basis, debugging personnel do not need to debug on site, and distributed deployment of the distributed power parameter monitoring equipment is facilitated.
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 show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the 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 (8)
1. A distributed electric power parameter monitoring device is characterized by comprising an electric power parameter monitoring chip cluster, a channel selection processor, a data communication module, a sampling mutual inductance device and a sampling interface;
the power parameter monitoring chip cluster is connected with the sampling mutual inductance device through the channel selection processor, and the sampling mutual inductance device is used for completing electric sampling of a target to be detected through the sampling interface; the channel selection processor is also used for realizing communication interaction with the monitoring server through the data communication module;
the channel selection processor is used for adjusting an electric connection channel between the sampling mutual inductance device and the electric power parameter monitoring chip and transmitting an electric sampling signal acquired by the sampling mutual inductance device to the corresponding electric power parameter monitoring chip;
the channel selection processor is used for acquiring a debugging task signal issued by the monitoring server through the data communication module, adjusting the electrical sampling signal according to the debugging task signal, and transmitting the adjusted electrical sampling signal to the corresponding power parameter monitoring chip.
2. The distributed power parameter monitoring device of claim 1, wherein the channel selection processor comprises a microprocessor and a single-chip microcomputer;
the microprocessor is respectively connected with the power parameter monitoring chip cluster, the single chip microcomputer and the data communication module;
the single chip microcomputer is connected with the sampling mutual inductance device.
3. The distributed power parameter monitoring device of claim 1, wherein the sampling mutual inductance means comprises a plurality of voltage transformers and a plurality of current transformers; the sampling interface comprises a plurality of voltage sampling channels and a plurality of current sampling channels;
the voltage transformers are connected with the voltage sampling channels in a one-to-one corresponding mode, and the current transformers are connected with the current sampling channels in a one-to-one corresponding mode.
4. The distributed power parameter monitoring device of any one of claims 1 to 3, wherein the data communication module comprises a 485 communication module, a 3G/4G communication module, a Bluetooth communication module, and/or a WIFI communication module.
5. The distributed power parameter monitoring device according to any one of claims 1 to 3, wherein the power parameter monitoring chip cluster comprises a voltage detection chip, a current detection chip, a power metering chip and/or an electric energy dedicated metering chip.
6. The distributed power parameter monitoring device according to claim 2, wherein the microprocessor is configured to send the processing result of each power parameter monitoring chip to the monitoring server.
7. The distributed power parameter monitoring device of claim 2, wherein the microprocessor comprises an AT91SAM9X35 processor.
8. The distributed power parameter monitoring device of claim 5, wherein the power-specific metering chip comprises an ATT7022EU chip.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114371330A (en) * | 2022-01-12 | 2022-04-19 | 清华大学 | Portable power detection device and power detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114371330A (en) * | 2022-01-12 | 2022-04-19 | 清华大学 | Portable power detection device and power detection system |
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