CN110703182A - Wireless intelligent electric energy meter and production line calibration implementation method thereof - Google Patents
Wireless intelligent electric energy meter and production line calibration implementation method thereof Download PDFInfo
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- CN110703182A CN110703182A CN201911092167.4A CN201911092167A CN110703182A CN 110703182 A CN110703182 A CN 110703182A CN 201911092167 A CN201911092167 A CN 201911092167A CN 110703182 A CN110703182 A CN 110703182A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses a wireless intelligent electric energy meter and a production line calibration implementation method thereof. Firstly, providing the same voltage and current for a standard electric energy meter and an electric energy meter to be calibrated; respectively collecting voltage and current and generating a metering signal; converting the metering signal into a transmission value; transmitting the respective transmission values to a computer through a wireless module; the computer receives the transmission value and simultaneously receives the connection handle of each electric energy meter to be calibrated; the transmission value of each electric energy meter to be calibrated is differenced with the transmission value of the standard electric energy meter to obtain a transmission difference value, and the transmission difference values are respectively transmitted back to the corresponding electric energy meters to be calibrated through the connection handle; and the electric energy meter to be calibrated automatically calibrates the sampling value of the metering module. The invention simplifies the structure of the calibration table, solves the calibration problem of a pair of wireless electric energy meter production lines, simplifies the wiring and disconnecting process and saves the labor cost and the time cost.
Description
Technical Field
The invention belongs to the field of intelligent electric energy meters, and particularly relates to a method for realizing calibration of a wireless intelligent electric energy meter production line.
Background
The traditional electric energy meter production line calibration needs to customize an expensive meter calibration table, and the customization cost is high; the meter calibration table needs to be provided with 485 weak current wiring terminals and pulse energy terminals with complex wiring, the number of the wiring terminals is large, and wiring and disconnection are troublesome; each electric energy meter station needs to be numbered manually in a wired mode, manpower is consumed, and errors are prone to occur; the calibration of the electric energy meters needs to be carried out manually one by one, the time consumption is high, the error rate is high, and at least more than half an hour is needed after the calibration of 48 electric energy meters on one platform body is finished; 48 electric energy meters can only be placed in each meter calibration platform, and a station is needed for operation, so that the labor cost is high.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a wireless intelligent electric energy meter and a production line calibration implementation method thereof, aiming at solving the problem that the electric energy meter is difficult to calibrate in the prior art.
The technical scheme is as follows: the invention provides a method for realizing calibration of a wireless intelligent electric energy meter production line, which comprises the following steps:
(1) providing the same voltage and current for the standard electric energy meter and the electric energy meter to be calibrated;
(2) collecting voltage and current of the standard electric energy meter and the electric energy meter to be calibrated, and generating a metering signal;
(3) the standard electric energy meter and the electric energy meter to be calibrated convert the metering signals into transmission values;
(4) the standard electric energy meter and the electric energy meter to be calibrated transmit respective transmission values to the computer through the wireless module;
(5) the computer receives the transmission value and simultaneously receives the connection handle of each electric energy meter to be calibrated; the transmission value of each electric energy meter to be calibrated is differed from the transmission value of the standard electric energy meter to obtain a transmission difference value;
(6) the computer respectively transmits the transmission difference values back to the corresponding electric energy meters to be calibrated through the connection handles;
(7) and the electric energy meter to be calibrated receives the transmission difference value and automatically calibrates the sampling value of the metering module according to the transmission difference value.
Further, in step (3), the metering signal is an energy pulse, and a time interval value between adjacent energy pulses is sampled as a transmission value.
Further, in step (3), the metering signal is a power value, and the power value is converted into a binary value as a transmission value.
A method for realizing calibration of a wireless intelligent electric energy meter production line comprises the following steps:
(1) providing the same voltage and current for the standard electric energy meter and the electric energy meter to be calibrated;
(2) collecting voltage and current of the standard electric energy meter and the electric energy meter to be calibrated, and generating a metering signal;
(3) the standard electric energy meter and the electric energy meter to be calibrated convert the metering signals into transmission values;
(4) the electric energy meter to be calibrated transmits respective transmission values to the standard electric energy meter through the wireless module;
(5) the standard electric energy meter receives the transmission value of the electric energy meter to be calibrated and simultaneously receives the connection handle of each electric energy meter to be calibrated; respectively subtracting the transmission value of each electric energy meter to be calibrated from the standard transmission value to obtain a transmission difference value;
(6) the standard electric energy meter transmits the transmission difference value back to the corresponding electric energy meter to be calibrated through the connection handle;
(7) and the electric energy meter to be calibrated receives the transmission difference value and automatically calibrates the sampling value of the metering module according to the transmission difference value.
Further, in step (3), the metering signal is an energy pulse, and a time interval value between adjacent energy pulses is sampled as a transmission value.
Further, in step (3), the metering signal is a power value, and the power value is converted into a binary value as a transmission value.
A wireless intelligent electric energy meter comprises a metering module, a wireless module and a main control module, wherein the metering module and the wireless module are both connected with the main control module, the metering module is used for collecting voltage and current, and the main control module is used for receiving a transmission difference transmitted by the wireless module and calibrating a sampling value of the metering module according to the transmission difference; the wireless module is used for carrying out data communication with the outside.
Further, still include first status indicator lamp, first status indicator lamp is connected with main control module.
A wireless intelligent electric energy meter calibration stand comprises a power interface, a computer and a computer wireless module; the power supply interface is used for connecting a test end of the wireless intelligent electric energy meter, and the wireless intelligent electric energy meter comprises an electric energy meter to be calibrated and a standard electric energy meter; the computer is connected with the computer wireless module; the computer wireless module is used for carrying out data communication with a wireless module in the wireless intelligent electric energy meter and acquiring a connection handle; the computer is used for receiving the transmission value collected and transmitted by the wireless intelligent electric energy meter and determining the calibration value of the wireless intelligent electric energy meter to be calibrated.
Furthermore, the computer further comprises a second status indicator light, and the second status indicator light is connected with the computer wireless module.
Has the advantages that: compared with the prior art, the wireless module is additionally arranged in the intelligent electric energy meter, the transmission of the acquired data is carried out through the wireless module, the structure of the calibration table is simple, only two wires are needed for the calibration wiring end of the electric energy meter, four wires are omitted, the wiring and disconnecting process is greatly simplified, and the cost of the calibration table is reduced. The method comprises the steps that a calibration value is obtained according to the difference between the collected data of the electric energy meter to be calibrated and the collected data of a standard electric energy meter, then the collection result of a metering module is automatically adjusted through a main control module in the wireless intelligent electric energy meter, when a plurality of electric energy meters are calibrated simultaneously, one-to-one correspondence is realized by skillfully utilizing wireless transmission connection handles, the sent data corresponding to the received data are returned to the same electric energy meter to be calibrated, manual numbering and calibration are not needed, the accuracy is high, and the labor cost is saved; the automatic quick calibration saves time and cost.
Drawings
Fig. 1 is a schematic structural diagram of a calibration stand of a wireless intelligent electric energy meter according to an embodiment.
Detailed Description
The invention is further explained below with reference to the figures and the specific embodiments.
The first embodiment is as follows:
a method for realizing calibration of a wireless intelligent electric energy meter production line comprises the following steps:
(1) providing the same voltage and current for the standard electric energy meter and the electric energy meter to be calibrated;
(2) the standard electric energy meter and the electric energy meter to be calibrated both collect voltage and current and generate a metering signal, wherein the metering signal can be an energy pulse or a power value or other forms of signals;
(3) the standard electric energy meter and the electric energy meter to be calibrated convert the metering signals into transmission values;
if the metering signal is an energy pulse, sampling a time interval value of adjacent energy pulses as a transmission value; if the metering signal is a power value, the power value is converted into a binary value as a transmission value.
(4) The standard electric energy meter and the electric energy meter to be calibrated transmit respective transmission values to the computer through the wireless module;
(5) the computer receives the transmission value and simultaneously receives the connection handle of each electric energy meter to be calibrated; the transmission value of each electric energy meter to be calibrated is differed from the transmission value of the standard electric energy meter to obtain a transmission difference value;
(6) the computer respectively transmits the transmission difference values back to the corresponding electric energy meters to be calibrated through the connection handles;
(7) and the electric energy meter to be calibrated receives the transmission difference value and automatically calibrates the sampling value of the metering module according to the transmission difference value.
A wireless intelligent electric energy meter comprises a metering module 1, a wireless module 2 and a main control module 3, wherein the metering module 1 and the wireless module 2 are both connected with the main control module 3, the metering module 1 is used for collecting voltage and current, and the main control module 3 is used for receiving a transmission difference transmitted by the wireless module and calibrating a sampling value of the metering module according to the transmission difference; the wireless module 2 is used for data communication with the outside. The device also comprises a first status indicator lamp 4, wherein the first status indicator lamp 4 is connected with the main control module 3 and is used for displaying the status of the calibration process, the calibration completion and the like. The wireless module 2 can adopt a Bluetooth module or other wireless communication modules, and connection handles generated by communication among wireless modules in different electric energy meters are different, so that uniqueness is achieved, and the electric energy meters can be distinguished according to the connection handles.
A wireless intelligent electric energy meter calibration stand comprises a power interface, a computer 5 and a computer wireless module 6; the power supply interface is used for connecting a test end of the wireless intelligent electric energy meter, and the wireless intelligent electric energy meter comprises an electric energy meter to be calibrated 7 and a standard electric energy meter 8; the computer 5 is connected with the computer wireless module 6; the computer wireless module 6 is used for carrying out data communication with the wireless module 2 in the wireless intelligent electric energy meter and acquiring a connection handle; the computer 5 is used for receiving the transmission value collected and transmitted by the wireless intelligent electric energy meter and determining the calibration value of the wireless intelligent electric energy meter to be calibrated. The device also comprises a second status indicator light 9, wherein the second status indicator light 9 is connected with the computer wireless module 6 and is used for displaying the status of the calibration process, the calibration completion and the like.
Example two:
the principle of the second embodiment is the same as that of the first embodiment, the use of the computer is reduced, and the function of the computer is realized through a standard electric energy meter. The standard electric energy meter in this embodiment provides a standard transmission value, receives the transmission value from the electric energy meter to be calibrated, obtains a transmission difference value by subtracting the transmission value from the standard transmission value, and transmits the transmission difference value back to each electric energy meter to be calibrated.
The method comprises the following specific steps:
a method for realizing calibration of a wireless intelligent electric energy meter production line comprises the following steps:
(1) providing the same voltage and current for the standard electric energy meter and the electric energy meter to be calibrated;
(2) the standard electric energy meter and the electric energy meter to be calibrated both collect voltage and current and generate a metering signal, wherein the metering signal can be an energy pulse or a power value or other forms of signals;
(3) the standard electric energy meter and the electric energy meter to be calibrated convert the metering signals into transmission values;
if the metering signal is an energy pulse, sampling a time interval value of adjacent energy pulses as a transmission value; if the metering signal is a power value, the power value is converted into a binary value as a transmission value.
(4) The electric energy meter to be calibrated transmits respective transmission values to the standard electric energy meter through the wireless module;
(5) the standard electric energy meter receives the transmission value of the electric energy meter to be calibrated and simultaneously receives the connection handle of each electric energy meter to be calibrated; respectively subtracting the transmission value of each electric energy meter to be calibrated from the standard transmission value to obtain a transmission difference value;
(6) the standard electric energy meter transmits the transmission difference value back to the corresponding electric energy meter to be calibrated through the connection handle;
(7) and the electric energy meter to be calibrated receives the transmission difference value and automatically calibrates the sampling value of the metering module according to the transmission difference value.
A wireless intelligent electric energy meter comprises a metering module, a wireless module and a main control module, wherein the metering module and the wireless module are both connected with the main control module, the metering module is used for collecting voltage and current, and the main control module is used for receiving a transmission difference transmitted by the wireless module and calibrating a sampling value of the metering module according to the transmission difference; the wireless module is used for carrying out data communication with the outside. Still include first status indicator lamp, first status indicator lamp is connected with main control module. The wireless module can adopt a Bluetooth module or other wireless communication modules.
Compared with the embodiment, the wireless intelligent electric energy meter calibration table of the embodiment is lack of a computer and a computer wireless module, and the rest is the same.
Claims (10)
1. A method for realizing calibration of a wireless intelligent electric energy meter production line is characterized by comprising the following steps:
(1) providing the same voltage and current for the standard electric energy meter and the electric energy meter to be calibrated;
(2) collecting voltage and current of the standard electric energy meter and the electric energy meter to be calibrated, and generating a metering signal;
(3) the standard electric energy meter and the electric energy meter to be calibrated convert the metering signals into transmission values;
(4) the standard electric energy meter and the electric energy meter to be calibrated transmit respective transmission values to the computer through the wireless module;
(5) the computer receives the transmission value and simultaneously receives the connection handle of each electric energy meter to be calibrated; the transmission value of each electric energy meter to be calibrated is differed from the transmission value of the standard electric energy meter to obtain a transmission difference value;
(6) the computer respectively transmits the transmission difference values back to the corresponding electric energy meters to be calibrated through the connection handles;
(7) and the electric energy meter to be calibrated receives the transmission difference value and automatically calibrates the sampling value of the metering module according to the transmission difference value.
2. The method for realizing the calibration of the wireless intelligent electric energy meter production line according to claim 1, wherein in the step (3), the metering signal is an energy pulse, and a time interval value between adjacent energy pulses is sampled to be used as a transmission value.
3. The method for implementing calibration of a wireless intelligent electric energy meter production line according to claim 2, wherein in the step (3), the measurement signal is a power value, and the power value is converted into a binary value as a transmission value.
4. A method for realizing calibration of a wireless intelligent electric energy meter production line is characterized by comprising the following steps:
(1) providing the same voltage and current for the standard electric energy meter and the electric energy meter to be calibrated;
(2) collecting voltage and current of the standard electric energy meter and the electric energy meter to be calibrated, and generating a metering signal;
(3) the standard electric energy meter and the electric energy meter to be calibrated convert the metering signals into transmission values;
(4) the electric energy meter to be calibrated transmits respective transmission values to the standard electric energy meter through the wireless module;
(5) the standard electric energy meter receives the transmission value of the electric energy meter to be calibrated and simultaneously receives the connection handle of each electric energy meter to be calibrated; respectively subtracting the transmission value of each electric energy meter to be calibrated from the standard transmission value to obtain a transmission difference value;
(6) the standard electric energy meter transmits the transmission difference value back to the corresponding electric energy meter to be calibrated through the connection handle;
(7) and the electric energy meter to be calibrated receives the transmission difference value and automatically calibrates the sampling value of the metering module according to the transmission difference value.
5. The method for realizing the calibration of the wireless intelligent electric energy meter production line according to claim 4, wherein in the step (3), the metering signal is an energy pulse, and a time interval value between adjacent energy pulses is sampled to be used as a transmission value.
6. The method for implementing calibration of a wireless intelligent electric energy meter production line according to claim 4, wherein in the step (3), the measurement signal is a power value, and the power value is converted into a binary value as a transmission value.
7. A wireless intelligent electric energy meter is characterized by comprising a metering module, a wireless module and a main control module, wherein the metering module and the wireless module are both connected with the main control module, the metering module is used for collecting voltage and current, and the main control module is used for receiving a transmission difference transmitted by the wireless module and calibrating a sampling value of the metering module according to the transmission difference; the wireless module is used for carrying out data communication with the outside.
8. The wireless intelligent electric energy meter according to claim 7, further comprising a first status indicator light, wherein the first status indicator light is connected with the main control module.
9. A wireless intelligent electric energy meter calibration stand is characterized by comprising a power interface, a computer and a computer wireless module; the power supply interface is used for connecting a test end of the wireless intelligent electric energy meter, and the wireless intelligent electric energy meter comprises an electric energy meter to be calibrated and a standard electric energy meter; the computer is connected with the computer wireless module; the computer wireless module is used for carrying out data communication with a wireless module in the wireless intelligent electric energy meter and acquiring a connection handle; the computer is used for receiving the transmission value collected and transmitted by the wireless intelligent electric energy meter and determining the calibration value of the wireless intelligent electric energy meter to be calibrated.
10. The wireless intelligent electric energy meter calibration stand according to claim 9, further comprising a second status indicator light, wherein the second status indicator light is connected with the computer.
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| CN201911092167.4A CN110703182A (en) | 2019-11-08 | 2019-11-08 | Wireless intelligent electric energy meter and production line calibration implementation method thereof |
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Cited By (1)
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Application publication date: 20200117 |