CN214380304U - Low-voltage side voltage and current real-time data acquisition and transmission device - Google Patents
Low-voltage side voltage and current real-time data acquisition and transmission device Download PDFInfo
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- CN214380304U CN214380304U CN202120617513.2U CN202120617513U CN214380304U CN 214380304 U CN214380304 U CN 214380304U CN 202120617513 U CN202120617513 U CN 202120617513U CN 214380304 U CN214380304 U CN 214380304U
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The utility model discloses a low pressure side voltage electric current real-time data acquisition conveyer, including collector, concentrator, data server, the collector set up in the side of being qualified for the next round of competitions of user's ammeter, the concentrator sets up the integrative switch department of intelligence of being qualified for the next round of competitions at distribution transformer, the collector collects user side voltage current value in real time, then through carrier signal with unusual data current voltage change value promptly convey the concentrator, the concentrator will collect data and send to data server in real time. The utility model discloses can be from the real-time data of analysis database, judge the reason that produces abnormal data, combine the automatic quick accurate fault type and the fault point of studying and judge of equipment spatial position, save the investigation time for the personnel of salvageing. The power utilization line repair personnel can conveniently perform power utilization line investigation, and can also perform investigation on the transformer area or the user which is not powered off and has electric leakage but is close to the threshold value, so that the problem of the transformer area which is difficult to leak is fundamentally solved, and the power utilization safety and the power utilization quality of the user are improved.
Description
Technical Field
The utility model relates to a power grid data acquisition analysis field, specific theory is a low pressure side voltage electric current real-time data gathers conveyer.
Background
At present, the automatic monitoring coverage of a low-voltage power supply and distribution system is not comprehensive enough, electricity can only be simply and roughly sent out, the existing systems (such as an electricity utilization acquisition system, distribution automation and the like) cannot achieve real-time monitoring, the requirement of 'power obtaining feeling' of a client cannot be completely met, and a user usually notifies a power supply unit through various ways to know that the electricity is not smoothly sent to the home of the client. The traditional solutions have obvious disadvantages: (1) the service timeliness of the power company is poor, and the enterprise image is damaged. (2) The operation and maintenance personnel of the power company are time-consuming and labor-consuming and are dangerous.
Disclosure of Invention
An object of the utility model is to provide a low pressure side voltage electric current real-time data gathers conveyer is in order to solve above-mentioned problem, the utility model discloses can effectively guarantee the service ageing, improve quality of service, also alleviate fortune dimension personnel's operating pressure simultaneously.
The utility model discloses a following technical means realize: the utility model provides a low pressure side voltage current real-time data gathers conveyer, includes collector, concentrator, data server, the collector set up in the side of being qualified for the next round of competitions of user's ammeter, the concentrator sets up the integrative switch department of intelligence of being qualified for the next round of competitions at distribution transformer, the collector collects user side voltage current value in real time, then conveys the concentrator through carrier signal with unusual data promptly current voltage change value, and the concentrator will collect data and send to data server in real time.
The collector comprises a leakage current sensor, a conditioning circuit, a central processing unit, a D/A converter and a carrier transmitting/receiving circuit, wherein the leakage current sensor is connected with the outgoing line side of a user electric meter, the carrier transmitting/receiving circuit is connected with a 220V alternating current power supply, a signal output by the leakage current sensor enters the conditioning circuit, is processed by the conditioning circuit and then is sent into the central processing unit for judgment, a fault signal is sent into the D/A converter to be converted into an analog signal, and then is sent into the 220V alternating current power supply through the carrier transmitting/receiving circuit for communication signal transmission.
The concentrator is internally provided with a communication circuit for carrying out data communication with a data server, and the communication interface comprises a 4G private network communication circuit, an Ethernet communication circuit and an optical fiber communication circuit.
Still include the power, the power includes that 220V changes 12V converting circuit, 12V changes 5V converting circuit, 220V alternating current power supply, 220V change 12V converting circuit, 12V change 5V converting circuit connect gradually, 220V changes 12V converting circuit, 12V changes 5V converting circuit and supplies power for whole product, still includes 12V uninterrupted power source, 12V uninterrupted power source is connected with the device.
The utility model discloses can be from the real-time data of analysis database, judge the reason that produces abnormal data, combine the automatic quick accurate fault type and the fault point of studying and judge of equipment spatial position, save the investigation time for the personnel of salvageing. The power utilization emergency repair personnel can conveniently perform power utilization line investigation on the long-term abnormal electric leakage and frequently-tripped transformer area, and can also perform investigation on the transformer area or users which are not powered off and have electric leakage but are close to the threshold value, so that the problem of the difficult and complicated electric leakage transformer area is fundamentally solved, and the power utilization safety and the power utilization quality of the users are improved.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings in the specification:
the utility model relates to a low pressure side voltage electric current real-time data acquisition conveyer, including collector, concentrator, data server, the collector set up in the side of being qualified for the next round of competitions of user's ammeter, the concentrator sets up the integrative switch department of intelligence of being qualified for the next round of competitions at distribution transformer, the collector collects user side voltage current value in real time, then through carrier signal with unusual data current voltage change value promptly convey the concentrator, the concentrator will collect data and send to data server in real time.
The collector comprises a leakage current sensor, a conditioning circuit, a central processing unit, a D/A converter and a carrier transmitting/receiving circuit, wherein the leakage current sensor is connected with the outgoing line side of a user electric meter, the carrier transmitting/receiving circuit is connected with a 220V alternating current power supply, a signal output by the leakage current sensor enters the conditioning circuit, is processed by the conditioning circuit and then is sent into the central processing unit for judgment, a fault signal is sent into the D/A converter to be converted into an analog signal, and then is sent into the 220V alternating current power supply through the carrier transmitting/receiving circuit for communication signal transmission.
Furthermore, a communication circuit is arranged in the concentrator and used for carrying out data communication with a data server, and the communication interface comprises a 4G private network communication circuit, an Ethernet communication circuit and an optical fiber communication circuit.
Specifically, the 4G private network communication circuit is configured to send a monitoring data packet to a remote server or receive a command from the remote server, and the ethernet communication power and optical fiber communication circuit is configured to connect a locally configured computer to configure parameters such as local user information and a server IP address.
The utility model discloses still include the power, the power includes that 220V changes 12V converting circuit, 12V changes 5V converting circuit, 220V alternating current power supply, 220V change 12V converting circuit, 12V change 5V converting circuit connect gradually, 220V changes 12V converting circuit, 12V changes 5V converting circuit and supplies power for whole product, still includes 12V uninterrupted power source, 12V uninterrupted power source is connected with the device.
The utility model discloses still set up local serial ports and be used for being connected with local computer, carry out the parameter modification to it by local computer to the response interval under the different demands of adaptation.
The following is illustrated by specific examples:
the utility model discloses a connect the single-phase electricity under the leakage current sensor, specific power frequency alternating current zero line, live wire pass the centre bore simultaneously that says so, when zero-fire current is uneven, produce the leakage current, and range leakage current 0~50mA exports 0~5V DC voltage. The leakage current sensor is connected with the collector, the collector collects leakage current and 220VAC voltage of a single-phase user, compares the leakage current and the 220VAC voltage with an alarm threshold value, triggers leakage current overrun or voltage power failure alarm when the leakage current exceeds the threshold value, enters an alarm state, lights a user alarm lamp, continuously sends three times of alarm information including information such as user number, leakage current and voltage to the data concentrator through a power line carrier, and the equipment cannot give an alarm repeatedly before the alarm information is not eliminated. The concentrator is installed in distribution transformer intelligent integral type switch department of being qualified for the next round of competitions, forwards collector real-time data to remote server through the 4G network, and interval 60 seconds sends the heartbeat data package to remote server, and remote server interval 200 seconds initiatively sends the heartbeat package to the concentrator to prevent to be played by the 4G basic station and fall off the line. The concentrator can also accept server commands and forward them to the local collector over the power line carrier. The whole process is simply that the collector collects abnormal data information through the leakage current sensor and sends the abnormal data information to the concentrator through the carrier signal, the concentrator transmits the data to the server through the 4G communication module, and operation and maintenance personnel quickly locate a fault point through abnormal data content and the collection terminal IP.
Claims (4)
1. The utility model provides a low pressure side voltage current real-time data acquisition conveyer which characterized in that: the collector is arranged on the outgoing line side of a user electric meter, the concentrator is arranged at the position of an outgoing line intelligent integrated switch of a distribution transformer, the collector collects the voltage and current values of the user side in real time, then transmits abnormal data, namely the current and voltage change value, to the concentrator through carrier signals, and the concentrator transmits the collected data to the data server in real time.
2. The low-voltage side voltage and current real-time data acquisition and transmission device according to claim 1, wherein: the collector comprises a leakage current sensor, a conditioning circuit, a central processing unit, a D/A converter and a carrier transmitting/receiving circuit, wherein the leakage current sensor is connected with the outgoing line side of a user electric meter, the carrier transmitting/receiving circuit is connected with a 220V alternating current power supply, a signal output by the leakage current sensor enters the conditioning circuit, is processed by the conditioning circuit and then is sent into the central processing unit for judgment, a fault signal is sent into the D/A converter to be converted into an analog signal, and then is sent into the 220V alternating current power supply through the carrier transmitting/receiving circuit for communication signal transmission.
3. The low-voltage side voltage and current real-time data acquisition and transmission device according to claim 1, wherein: and a communication circuit is arranged in the concentrator and is used for carrying out data communication with the data server, and the communication circuit comprises a 4G communication circuit, an Ethernet communication circuit and an optical fiber communication circuit.
4. The low-voltage side voltage and current real-time data acquisition and transmission device according to claim 1, wherein: still include the power, the power includes that 220V changes 12V converting circuit, 12V changes 5V converting circuit, 220V alternating current power supply, 220V change 12V converting circuit, 12V change 5V converting circuit connect gradually, 220V changes 12V converting circuit, 12V changes 5V converting circuit and supplies power for whole product, still includes 12V uninterrupted power source, 12V uninterrupted power source is connected with the device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120617513.2U CN214380304U (en) | 2021-03-26 | 2021-03-26 | Low-voltage side voltage and current real-time data acquisition and transmission device |
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CN202120617513.2U CN214380304U (en) | 2021-03-26 | 2021-03-26 | Low-voltage side voltage and current real-time data acquisition and transmission device |
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CN214380304U true CN214380304U (en) | 2021-10-08 |
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CN202120617513.2U Active CN214380304U (en) | 2021-03-26 | 2021-03-26 | Low-voltage side voltage and current real-time data acquisition and transmission device |
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2021
- 2021-03-26 CN CN202120617513.2U patent/CN214380304U/en active Active
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