CN113075609A - Wave recording metering system - Google Patents
Wave recording metering system Download PDFInfo
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- CN113075609A CN113075609A CN202110392724.5A CN202110392724A CN113075609A CN 113075609 A CN113075609 A CN 113075609A CN 202110392724 A CN202110392724 A CN 202110392724A CN 113075609 A CN113075609 A CN 113075609A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The invention discloses a wave recording metering system, which relates to the technical field of wave recording metering and comprises a management chip module, a double-core serial port, a waveform sampling interface, a metering chip module, a display screen module and a clock module, wherein the management chip module is connected with the metering chip module through the double-core serial port, the display screen module and the clock module are connected to the metering chip module, and the metering chip module is connected with the management chip module through the waveform sampling interface, and the wave recording metering system has the beneficial effects that: the method and the device can realize real-time monitoring of the power quality, event recording and recording of the front and back wave recording data when the power quality event occurs, and can meet the precision requirement of the high-accuracy nonlinear load field wave recording device on the power quality monitoring by carrying out algorithm and programming research on the power quality such as three-phase imbalance, harmonic wave, inter-harmonic wave, voltage fluctuation, voltage flicker, voltage swell, voltage sag, voltage interruption and the like.
Description
Technical Field
The invention relates to the technical field of wave recording measurement, in particular to a wave recording measurement system.
Background
With the increasing expansion of the power grid scale, a power grid fault information comprehensive analysis system with complete functions of fault element diagnosis, post-accident data analysis, protection action behavior evaluation and the like is required. The method plays an important role in safe and reliable operation of the power system, the dispatching automation of the power system is an important guarantee for safe and stable operation of a power grid, and with the continuous improvement of the automation level and the joining of technologies such as communication and the like, the continuous emergence and improvement of supporting facilities such as an Energy Management System (EMS) and a supervisory control and data acquisition (SCADA) system (data acquisition and monitoring control) of a network layer, a sequence of events (SOE) and a data transmission record (PDR) of a plant station end and the like are promoted. For many years, automatic fault recording of power systems has become an important basis for analyzing system accidents, particularly relay protection action behaviors. The fault recording device based on microcomputer can record the information of electric quantity and state change process before and after the power grid fault, completely reflect the instantaneous change after the fault and the action of relay protection, and has the capability of data archiving and data reanalysis.
The wave recording is a scheduling end network fault diagnosis system based on fault wave recording information. The fault recorder is used for a power system, can automatically and accurately record the change conditions of various electrical quantities in the processes before and after a fault when the system has the fault, and has important functions of analyzing and comparing the electrical quantities, analyzing and processing the fault, judging whether protection acts correctly or not and improving the safe operation level of the power system. Based on the power grid fault diagnosis and information analysis of the dispatching end, the wave recording can provide convenience for people in the dispatching automation of the power system, but still has the following defects:
in the prior art, when monitoring the power quality, recording events and recording wave recording data before and after the occurrence of the power quality events, the real-time performance of the recording cannot be guaranteed, and the accuracy and precision of algorithm and programming on the power quality such as three-phase imbalance, harmonic waves, inter-harmonic waves, voltage fluctuation, voltage flicker, voltage swell, voltage sag, voltage interruption and the like are low, so that the use in a power grid cannot be met.
Disclosure of Invention
The invention aims to provide a wave recording metering system aiming at the problems that in the prior art, the real-time performance of wave recording cannot be ensured when monitoring the power quality, recording events and recording wave recording data before and after the occurrence of power quality events, and the accuracy and precision of algorithm and programming on the power quality such as three-phase imbalance, harmonic wave, inter-harmonic wave, voltage fluctuation, voltage flicker, voltage sudden rise, voltage sudden drop, voltage interruption and the like are low, so that the use in a power grid cannot be met.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a record ripples measurement system, it includes management chip module 1, two core serial ports 2, waveform sampling interface 3, measurement chip module 4, display screen module 5, clock module 6, management chip module 1 is connected with measurement chip module 4 through two core serial ports 2, display screen module 5 is connected to on the measurement chip module 4 with clock module 6, measurement chip module 4 is connected with management chip module 1 through waveform sampling interface 3.
Further, management chip module 1 has included management data storage module 11, GPRS wireless service 12, RS485 interface 13, bluetooth module 14, pilot lamp 15, infrared emitter 16, ESAM module 17, management data storage module 11 and GPRS wireless service 12 are connected on management chip module 1, management chip module 1 connects pilot lamp 15, RS485 interface 13 is connected its management chip module 1 with bluetooth module 14, management chip module 1 is connected infrared emitter 16 and ESAM module 17.
Furthermore, the metering chip module 4 includes a metering data storage module 41, a backlight module 42, a key 43, an electricity larceny prevention module 44, a current sampling module 45, a voltage sampling module 46, an auxiliary terminal module 47, and a power failure detection 48, the metering data storage module 41 is connected to the metering chip module 4, the metering chip module 4 is connected to the backlight module 42 and the auxiliary terminal module 47, and the key 43, the electricity larceny prevention module 44, the current sampling module 45, the voltage sampling module 46, and the power failure detection 48 are disposed on the metering chip module 4.
Further, the management data storage module 11 includes a management FLASH111 and a management EEPROM112, and the management chip module 1 connects the management FLASH111 and the management EEPROM112 through the management data storage module 11.
Further, the indicator light 15 includes, but is not limited to, an active pulse light 151, a reactive pulse light 152, and a multifunctional light 153.
Further, the metering data storage module 41 includes a metering FLASH411 and a metering EEPROM412, and the metering chip module 4 is connected to the metering FLASH411 and the metering EEPROM412 through the metering data storage module 41.
Further, the anti-electricity-theft module 44 includes, but is not limited to, an open cover 441, an open cover 442, and an open lid 443.
Further, the auxiliary terminal module 47 includes an active pulse 471, a reactive pulse 472, a forward harmonic pulse 473, a reverse harmonic pulse 474, and a second pulse 475.
Further, the two-core serial port 2 is specifically a two-core serial port RXD and a two-core serial port TXD.
The working principle of the invention is as follows: the management chip module 1 and the metering chip module 4 are connected by using the two-core serial port 2, so that the management chip module 1 and the metering chip module 4 can exchange data, the metering chip module 4 can collect data through the current sampling module 45, the voltage sampling module 46, the auxiliary terminal module 47 and the power failure detection 48 and store the data through the metering data storage module 41, the metering chip module 4 can exchange and transmit data information with the management chip module 1 through the waveform sampling interface 3, the management chip module 1 stores the data through the management data storage module 11 and can display the data information through the GPRS wireless service 12, the RS485 interface 13, the Bluetooth module 14, the indicator lamp 15, the infrared emitter 16 and the ESAM module 17, wherein the display screen module 5 and the clock module 6 are convenient for workers to check and read, the auxiliary terminal module 47 can detect its active pulse 471, idle pulse 472, forward harmonic pulse 473, reverse harmonic pulse 474 and second pulse 475, while the indicator light 15 has an active pulse light 151, an idle pulse light 152 and a multifunction light 153.
After the technical scheme is adopted, the invention has the beneficial effects that: the method and the device can realize real-time monitoring of the power quality, event recording and recording of the front and back wave recording data when the power quality event occurs, and can meet the precision requirement of the high-accuracy nonlinear load field wave recording device on the power quality monitoring by carrying out algorithm and programming research on the power quality such as three-phase imbalance, harmonic wave, inter-harmonic wave, voltage fluctuation, voltage flicker, voltage swell, voltage sag, voltage interruption and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Description of reference numerals: the device comprises a management chip module 1, a two-core serial port 2, a waveform sampling interface 3, a metering chip module 4, a display screen module 5, a clock module 6, a management data storage module 11, a GPRS wireless service 12, an RS485 interface 13, a Bluetooth module 14, an indicator lamp 15, an infrared emitter 16, an ESAM module 17, a metering data storage module 41, a backlight module 42, a key 43, an electricity larceny prevention module 44, a current sampling module 45, a voltage sampling module 46, an auxiliary terminal module 47, a power failure detection 48, a management FLASH111, a management EEPROM112, an active pulse lamp 151, a reactive pulse lamp 152, a multifunctional lamp 153, a metering FLASH411, a metering EEPROM412, an open end cover 441, an open end cover 442, an open cover 443, an active pulse 471, a reactive pulse 472, a forward harmonic pulse 473, a reverse harmonic pulse 474 and a second pulse 475.
Detailed Description
Referring to fig. 1, the technical solution adopted by the present embodiment is: it includes management chip module 1, two core serial ports 2, waveform sampling interface 3, measurement chip module 4, display screen module 5, clock module 6, management chip module 1 is connected with measurement chip module 4 through two core serial ports 2, display screen module 5 is connected to on the measurement chip module 4 with clock module 6, measurement chip module 4 is connected with management chip module 1 through waveform sampling interface 3.
The management chip module 1 comprises a management data storage module 11, a GPRS wireless service 12, an RS485 interface 13, a Bluetooth module 14, an indicator lamp 15, an infrared emitter 16 and an ESAM module 17, wherein the management data storage module 11 and the GPRS wireless service 12 are connected to the management chip module 1, the management chip module 1 is connected with the indicator lamp 15, the RS485 interface 13 and the Bluetooth module 14 are connected to the management chip module 1, the management chip module 1 is connected with the infrared emitter 16 and the ESAM module 17, the management data storage module 11 comprises a management FLASH111 and a management EEPROM112, and the management chip module 1 is connected with the management FLASH111 and the management EEPROM112 through the management data storage module 11.
The metering chip module 4 comprises a metering data storage module 41, a backlight module 42, a key 43, an electricity larceny prevention module 44, a current sampling module 45, a voltage sampling module 46, an auxiliary terminal module 47 and a power failure detection module 48, the metering data storage module 41 is connected with the metering chip module 4, the metering chip module 4 is connected with the backlight module 42 and the auxiliary terminal module 47, the key 43, the electricity larceny prevention module 44, the current sampling module 45, the voltage sampling module 46 and the power failure detection module 48 are arranged on the metering chip module 4, the metering data storage module 41 comprises a metering FLASH411 and a metering EEPROM412, and the metering chip module 4 is connected with the metering FLASH411 and the metering EEPROM412 through the metering data storage module 41.
The indicating lamp 15 includes but is not limited to an active pulse lamp 151, a reactive pulse lamp 152 and a multifunctional lamp 153, the electricity larceny prevention module 44 includes but is not limited to an open end cover 441, an open upper cover 442 and an open flip 443, the auxiliary terminal module 47 includes an active pulse 471, a reactive pulse 472, a forward harmonic pulse 473, a reverse harmonic pulse 474, and a second pulse 475, and the two-core serial port 2 is specifically a two-core serial port RXD and a two-core serial port TXD.
The working principle of the invention is as follows: the management chip module 1 and the metering chip module 4 are connected by using the two-core serial port 2, so that the management chip module 1 and the metering chip module 4 can exchange data, the metering chip module 4 can collect data through the current sampling module 45, the voltage sampling module 46, the auxiliary terminal module 47 and the power failure detection 48 and store the data through the metering data storage module 41, the metering chip module 4 can exchange and transmit data information with the management chip module 1 through the waveform sampling interface 3, the management chip module 1 stores the data through the management data storage module 11 and can display the data information through the GPRS wireless service 12, the RS485 interface 13, the Bluetooth module 14, the indicator lamp 15, the infrared emitter 16 and the ESAM module 17, wherein the display screen module 5 and the clock module 6 are convenient for workers to check and read, the auxiliary terminal module 47 can detect its active pulse 471, idle pulse 472, forward harmonic pulse 473, reverse harmonic pulse 474 and second pulse 475, while the indicator light 15 has an active pulse light 151, an idle pulse light 152 and a multifunction light 153.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A wave recording measurement system is characterized in that: it includes management chip module (1), two core serial ports (2), waveform sampling interface (3), measurement chip module (4), display screen module (5), clock module (6), management chip module (1) is connected with measurement chip module (4) through two core serial ports (2), display screen module (5) are connected to on measurement chip module (4) with clock module (6), measurement chip module (4) are connected with management chip module (1) through waveform sampling interface (3).
2. The wave recording metering system of claim 1, characterized in that: management chip module (1) has included management data storage module (11), GPRS wireless service (12), RS485 interface (13), bluetooth module (14), pilot lamp (15), infrared emitter (16), ESAM module (17), management data storage module (11) and GPRS wireless service (12) are connected on management chip module (1), pilot lamp (15) are connected in management chip module (1), RS485 interface (13) are connected its management chip module (1) with bluetooth module (14), infrared emitter (16) and ESAM module (17) are connected in management chip module (1).
3. The wave recording metering system of claim 1, characterized in that: measurement chip module (4) have included measurement data storage module (41), backlight unit (42), button (43), anti-electricity-theft module (44), electric current sampling module (45), voltage sampling module (46), auxiliary terminal module (47), fall electric detection (48), measurement data storage module (41) and measurement chip module (4) interconnect, backlight unit (42) and auxiliary terminal module (47) are connected in measurement chip module (4), button (43), anti-electricity-theft module (44), electric current sampling module (45), voltage sampling module (46) and fall electric detection (48) and set up on measurement chip module (4).
4. The wave recording metering system of claim 2, characterized in that: the management data storage module (11) comprises a management FLASH (111) and a management EEPROM (112), and the management chip module (1) is connected with the management FLASH (111) and the management EEPROM (112) through the management data storage module (11).
5. The wave recording metering system of claim 2, characterized in that: the indicator light (15) includes but is not limited to an active pulse light (151), a reactive pulse light (152) and a multifunctional light (153).
6. The wave recording metering system of claim 3, characterized in that: the metering data storage module (41) comprises a metering FLASH (411) and a metering EEPROM (412), and the metering chip module (4) is connected with the metering FLASH (411) and the metering EEPROM (412) through the metering data storage module (41).
7. The wave recording metering system of claim 3, characterized in that: the electricity larceny prevention module (44) comprises but is not limited to an opening cover (441), an opening upper cover (442) and an opening flip cover (443).
8. The wave recording metering system of claim 3, characterized in that: the auxiliary terminal module (47) comprises an active pulse (471), a reactive pulse (472), a forward harmonic pulse (473), a reverse harmonic pulse (474) and a second pulse (475).
9. The wave recording metering system of claim 1, characterized in that: the dual-core serial port (2) is specifically a dual-core serial port RXD and a dual-core serial port TXD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392724.5A CN113075609A (en) | 2021-04-13 | 2021-04-13 | Wave recording metering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392724.5A CN113075609A (en) | 2021-04-13 | 2021-04-13 | Wave recording metering system |
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| CN113075609A true CN113075609A (en) | 2021-07-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201974471U (en) * | 2011-02-28 | 2011-09-14 | 深圳市森晖电子有限公司 | Single-phase electronic carrier electric energy meter |
| CN203350358U (en) * | 2013-07-29 | 2013-12-18 | 威胜集团有限公司 | Single-phase intelligent electric energy meter |
| CN203595733U (en) * | 2013-11-29 | 2014-05-14 | 深圳市北电仪表有限公司 | Three-phase power monitor |
| CN210982601U (en) * | 2019-08-21 | 2020-07-10 | 国网江西省电力有限公司电力科学研究院 | Direct current concentrator based on time synchronization measurement |
| CN112557714A (en) * | 2020-12-10 | 2021-03-26 | 宁波迦南智能电气股份有限公司 | Multi-core modular intelligent electric energy meter |
-
2021
- 2021-04-13 CN CN202110392724.5A patent/CN113075609A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201974471U (en) * | 2011-02-28 | 2011-09-14 | 深圳市森晖电子有限公司 | Single-phase electronic carrier electric energy meter |
| CN203350358U (en) * | 2013-07-29 | 2013-12-18 | 威胜集团有限公司 | Single-phase intelligent electric energy meter |
| CN203595733U (en) * | 2013-11-29 | 2014-05-14 | 深圳市北电仪表有限公司 | Three-phase power monitor |
| CN210982601U (en) * | 2019-08-21 | 2020-07-10 | 国网江西省电力有限公司电力科学研究院 | Direct current concentrator based on time synchronization measurement |
| CN112557714A (en) * | 2020-12-10 | 2021-03-26 | 宁波迦南智能电气股份有限公司 | Multi-core modular intelligent electric energy meter |
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