CN212083646U - Online checking system for electric energy meter checking assembly line - Google Patents
Online checking system for electric energy meter checking assembly line Download PDFInfo
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- CN212083646U CN212083646U CN201921999885.5U CN201921999885U CN212083646U CN 212083646 U CN212083646 U CN 212083646U CN 201921999885 U CN201921999885 U CN 201921999885U CN 212083646 U CN212083646 U CN 212083646U
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Abstract
The utility model belongs to the technical field of the online check system, concretely relates to electric energy meter calibration assembly line online check system, including electric energy meter simulator, the automatic calibrating installation of electric energy meter, online check appearance, the electric energy meter simulator has at least one, online check appearance passes through wireless mode and is connected with the electric energy meter simulator, the electric energy meter simulator is connected with the automatic calibrating installation of electric energy meter, the automatic calibrating installation of electric energy meter is connected with online check appearance. The utility model discloses an whether index, function, the performance status normal problem of assembly line when long-time operation after the area carries of electric energy meter simulator and online check appearance cooperation work, the automatic calibrating installation of judgement electric energy meter that can be accurate fast, the utility model discloses testing procedure simplifies, and the check result is credible high, has reduced the human cost, has improved work efficiency. The utility model is used for automatic calibrating installation's of electric energy meter on-line check.
Description
Technical Field
The utility model belongs to the technical field of the online system of checking, concretely relates to electric energy meter calibration assembly line online system of checking.
Background
As the intelligent electric energy meter is comprehensively replaced by constructing the intelligent power grid, the automatic check assembly line for the electric energy meters with the meter checking capability of tens of thousands of meters per day is produced. Because the daily table checking quantity of the production line is huge and the table checking process is extremely fast, the epitope is checked randomly in an idle load according to the original checking method, a detection department consumes a large amount of manpower and material resources each time, the real conditions of the epitope after being loaded cannot be accurately detected by using a method for detecting the epitope one by one in an idle load mode by using a common standard table such as RD33 and the like, and the working state of each epitope after the production line is fully hung cannot be accurately judged. When the electric energy meter automatic verification assembly line is checked in an on-load mode, whether indexes, functions and performance states of the electric energy meter automatic verification assembly line are normal or not in long-time operation cannot be guaranteed due to the fact that factors such as the on-load capacity of isolation transformers with different epitopes of the assembly line, the state of short-circuit relays, contact resistance of wire pressing mechanisms and assembly line environment do not completely meet reference conditions.
SUMMERY OF THE UTILITY MODEL
To the problem whether index, function, the performance state of automatic calibrating installation of electric energy meter when the long-time operation of on-load back assembly line are normal, the utility model provides an electric energy meter check-up assembly line on-line verification system that work efficiency is high, stable performance.
In order to solve the technical problem, the utility model discloses a technical scheme be:
an electric energy meter checking assembly line online checking system comprises an electric energy meter simulator, an electric energy meter automatic calibrating device and an online checking instrument, wherein at least one electric energy meter simulator is arranged, the online checking instrument is connected with the electric energy meter simulator in a wireless mode and used for setting the electric energy error, the functional fault and the performance fault of the electric energy meter simulator in a wireless mode, meanwhile, the electric energy meter automatic calibrating device is configured and used for reading the detection result of the electric energy meter automatic calibrating device, the electric energy meter simulator is connected with the electric energy meter automatic calibrating device and used for simulating the electric energy error, the functional fault and the performance fault of the set electric energy meter simulator, the electric energy meter automatic calibrating device is connected with the online checking instrument and used for detecting the actual electric energy error, the functional fault and the performance fault of the electric energy meter simulator, and the comparison is carried out through a preset value and an actual detection value, and judging whether indexes, functions and performance states of the automatic calibrating device of the electric energy meter after the electric energy meter is loaded when the assembly line runs for a long time are normal.
The electric energy meter simulator comprises a main control module, an analog-to-digital (A/D) conversion module, a first wireless module, a voltage wiring hole and a current wiring hole, wherein the main control module is respectively connected with the A/D conversion module and the first wireless module through wires, and the A/D conversion module is respectively connected with the voltage wiring hole and the current wiring hole through wires.
The on-line checker comprises a host, a USB communication module and a second wireless module, wherein the host is connected with the USB communication module, the USB communication module is connected with a communication module of the electric energy meter automatic calibration device through a lead, the host is connected with the second wireless module, the second wireless module is connected with a first wireless module of the electric energy meter simulator in a wireless mode, and the host is connected with a power supply, a hard disk and a display screen through leads.
The electric energy meter automatic calibrating device supports an electric energy meter simulator with 6 epitopes, 12 epitopes or 24 epitopes.
The automatic calibrating installation of electric energy meter includes high accuracy voltage source, high accuracy current source, master control computer and communication module, the electric energy meter simulator is connected with high accuracy voltage source, high accuracy current source respectively, high accuracy voltage source and high accuracy current source are all connected on the master control computer, the master control computer is connected with communication module, communication module is connected with the on-line inspection appearance.
And a voltage wiring hole and a current wiring hole of the electric energy meter simulator are respectively connected with a high-precision voltage source and a high-precision current source.
The electric energy meter simulators are connected in a current series connection mode and a voltage parallel connection mode.
Compared with the prior art, the utility model, the beneficial effect who has is:
the electric energy meter checking assembly line online checking system works by matching the electric energy meter simulator with the online checking instrument, the online checking instrument is used for setting the electric energy error, the functional fault and the performance fault of the electric energy meter simulator in a wireless mode, the automatic electric energy meter calibrating device is used for detecting the actual electric energy error, the functional fault and the performance fault of the simulated electric energy meter, the preset value and the actual detection value are compared, and whether the indexes, functions and performance states of the automatic electric energy meter calibrating device are normal when the assembly line runs for a long time after being loaded are judged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the electric energy meter simulator of the present invention;
FIG. 3 is a schematic structural view of the on-line checking instrument of the present invention;
fig. 4 is a flowchart of the present invention.
Wherein: the device comprises an electric energy meter simulator 1, an automatic electric energy meter calibrating device 2, an online checking instrument 3, a main control module 101, an A/D conversion module 102, a first wireless module 103, a voltage wiring hole 104, a current wiring hole 105, a high-precision voltage source 201, a high-precision current source 202, a main control computer 203, a communication module 204, a host 301, a USB communication module 302, a second wireless module 303, a power supply 304, a hard disk 305 and a display screen 306.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An electric energy meter checking assembly line online checking system is shown in figure 1 and comprises an electric energy meter simulator 1, an electric energy meter automatic calibrating device 2 and an online checking instrument 3, wherein at least one electric energy meter simulator 1 is arranged, the electric energy meter simulator 1 is connected with the electric energy meter automatic calibrating device 2, the electric energy meter automatic calibrating device 2 is connected with the online checking instrument 3, and the electric energy meter simulator 1 is connected with the online checking instrument 3 in a wireless mode. The electric energy meter simulator 1 is inserted into a meter seat contact pin of the electric energy meter automatic calibration device in a corresponding mode, the electric energy meter automatic calibration device 2 inputs voltage and current signals into the electric energy meter simulator 1, and meanwhile pressure value and contact temperature detection is conducted on the electric energy meter simulator 1. The analog signals of the measured pressure and temperature are converted into electric signals through the electric energy meter simulator 1 and transmitted to the online checking instrument 3 in a wireless mode.
Further, the automatic electric energy meter calibrating device supports an electric energy meter simulator with 6 epitopes, 12 epitopes or 24 epitopes.
Further, as shown in fig. 2, the electric energy meter simulator 1 includes a main control module 101, an a/D conversion module 102, a first wireless module 103, a voltage wiring hole 104, and a current wiring hole 105, wherein the main control module 101 is connected to the a/D conversion module 102 and the first wireless module 103 through wires, and the a/D conversion module 102 is connected to the voltage wiring hole 104 and the current wiring hole 105 through wires. The voltage wiring holes 104 and the current wiring holes 105 are in one-to-one correspondence with positions of meter seat pins of an electric energy meter automatic calibration device assembly line to detect pressure values and contact temperatures, measured pressure and temperature analog signals are converted through the internal A/D conversion module 102, the obtained pressure values and contact temperature values are sent to the main control module 101 in the electric energy meter simulator 1, and the main control module 101 controls the first wireless module 103 to be transmitted to the on-line checking instrument 3.
Further, the online checker 3 includes a host 301, a USB communication module 302, and a second wireless module 303, where the host 301 is connected to the USB communication module 302, and the USB communication module 302 is connected to the communication module 204 of the automatic calibration apparatus 2 for configuring the automatic calibration apparatus and reading a detection result of the automatic calibration apparatus. The host 301 is connected with the second wireless module 303, the second wireless module 303 is connected with the first wireless module 103 of the electric energy meter simulator 1 in a wireless mode, and the electric energy error, the functional fault, the pressure and the temperature threshold of the electric energy meter simulator 1 are set in a wireless mode. The host 301 is respectively connected with the power supply 304, the hard disk 305 and the display screen 306 through wires, the host 301 supplies power through the power supply 304, stores the fault attribute and the performance attribute of the electric energy meter through the hard disk 305, and displays the checking condition through the display 306.
Further, the automatic calibrating device 2 of the electric energy meter comprises a high-precision voltage source 201, a high-precision current source 202, a main control computer 203 and a communication module 204, the electric energy meter simulator 1 is respectively connected with the high-precision voltage source 201 and the high-precision current source 202, the high-precision voltage source 201 and the high-precision current source 202 are both connected to the main control computer 203, the main control computer 203 is connected with the communication module 204, and the communication module 204 is connected with the online checker 3.
Furthermore, the voltage wiring hole 104 and the current wiring hole 105 of the electric energy meter simulator 1 are respectively connected with the high-precision voltage source 201 and the high-precision current source 202.
Further, it is preferable that the plurality of electric energy meter simulators 1 are connected in series by current or in parallel by voltage.
The utility model discloses a work flow does: as shown in fig. 4, the method comprises the following steps: s1, hanging the electric energy meter simulator on the position of the tested electric energy meter of the automatic electric energy meter calibrating device; s2, formulating a verification scheme, formulating an index detection scheme, a function detection scheme and a performance detection scheme by the electric energy meter verification assembly line all-position on-line checking instrument according to detection requirements, and presetting the precision grade of the detected electric energy meter; s3, setting an electric energy meter simulator, and setting an electric energy error, a functional fault, a pressure value and a temperature value threshold value of the electric energy meter simulator in a wireless mode with the electric energy meter simulator through a matched communication protocol by the electric energy meter checking assembly line full-position on-line checking instrument according to a formulated detection scheme; s4, powering on the electric energy meter simulator, and sending a verification scheme to the electric energy meter automatic verification device by the electric energy meter verification assembly line full-epitope on-line check instrument through the communication module, so that the electric energy meter automatic verification device outputs a matched voltage source and current source to the electric energy meter simulator; s5, data acquisition, wherein the electric energy meter calibration assembly line full-epitope loaded online checking instrument reads the voltage, current, power, phase, electric energy pulse signal, electric energy error and other electrical parameters and performance index parameters of the tested electric energy meter simulator of the electric energy meter automatic calibration device through the communication module; s6, fault checking, namely calculating the error of the electric energy meter simulator according to the acquired data, comparing the acquired data with an internal expert knowledge base to find corresponding fault attributes and performance attributes, comparing the comparison result with a preset value, if the comparison result is consistent with the preset value, the automatic electric energy meter calibrating device is qualified, if the comparison result is inconsistent with the preset value, the automatic electric energy meter calibrating device is unqualified, comparing the comparison result with the detection result of the past time in the expert knowledge base, predicting the time of fault occurrence, and recommending the time for detecting the automatic electric energy meter calibrating device next time; and S7, completing the test of the automatic calibrating device of the electric energy meter. And S6, fault checking, namely, an index checking module, a functional fault checking module and a performance checking module. The index checking module is used for calculating the error of the electric energy meter simulator according to the received data, comparing the error with the set error of the electric energy meter simulator before detection, giving data alarm to the epitope with the out-of-tolerance error, and performing fault positioning analysis according to common problems or individual problems; the function fault checking module is used for comparing the received collected data with a fault phenomenon set before detection, judging whether the collected data are consistent with the fault phenomenon, if so, alarming, and performing fault positioning analysis; and the performance fault checking module compares the received temperature value and pressure value data with a set threshold value, the threshold value range is normal, and if the threshold value is exceeded, an alarm is given and fault positioning analysis is carried out.
The electric energy meter checking assembly line online checking system works by matching the electric energy meter simulator with the online checking instrument, the online checking instrument is used for setting the electric energy error, the functional fault and the performance fault of the electric energy meter simulator in a wireless mode, the automatic electric energy meter calibrating device is used for detecting the actual electric energy error, the functional fault and the performance fault of the simulated electric energy meter, the preset value and the actual detection value are compared, and whether the indexes, functions and performance states of the automatic electric energy meter calibrating device are normal when the assembly line runs for a long time after being loaded are judged.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (7)
1. The utility model provides an electric energy meter check-up assembly line on-line verification system which characterized in that: including electric energy meter simulator (1), the automatic calibrating installation of electric energy meter (2), online check appearance (3), electric energy meter simulator (1) has at least one, online check appearance (3) are connected with electric energy meter simulator (1) through wireless mode, electric energy meter simulator (1) is connected with the automatic calibrating installation of electric energy meter (2), the automatic calibrating installation of electric energy meter (2) is connected with online check appearance (3).
2. The electric energy meter checking pipeline online checking system according to claim 1, wherein: the electric energy meter simulator (1) comprises a main control module (101), an A/D conversion module (102), a first wireless module (103), a voltage wiring hole (104) and a current wiring hole (105), wherein the main control module (101) is connected with the A/D conversion module (102) and the first wireless module (103) through wires respectively, and the A/D conversion module (102) is connected with the voltage wiring hole (104) and the current wiring hole (105) through wires respectively.
3. The electric energy meter checking pipeline online checking system according to claim 2, wherein: the online checking instrument (3) comprises a host (301), a USB communication module (302) and a second wireless module (303), the host (301) is connected with the USB communication module (302), the USB communication module (302) is connected with a communication module (204) of the electric energy meter automatic calibrating device (2) through a wire, the host (301) is connected with the second wireless module (303), the second wireless module (303) is connected with a first wireless module (103) of the electric energy meter simulator (1) in a wireless mode, and the host (301) is connected with a power supply (304), a hard disk (305) and a display screen (306) through wires.
4. The electric energy meter checking pipeline online checking system according to claim 2, wherein: the electric energy meter automatic detection device (2) supports an electric energy meter simulator (1) with 6 epitopes, 12 epitopes or 24 epitopes.
5. The electric energy meter checking pipeline online checking system according to claim 1, wherein: the automatic calibrating installation of electric energy meter (2) includes high accuracy voltage source (201), high accuracy current source (202), master control computer (203) and communication module (204), electric energy meter simulator (1) is connected with high accuracy voltage source (201), high accuracy current source (202) respectively, high accuracy voltage source (201) and high accuracy current source (202) are all connected on master control computer (203), master control computer (203) is connected with communication module (204), communication module (204) are connected with online check appearance (3).
6. The electric energy meter checking pipeline online checking system according to claim 1 or 2, wherein: and a voltage wiring hole (104) and a current wiring hole (105) of the electric energy meter simulator (1) are respectively connected with a high-precision voltage source (201) and a high-precision current source (202).
7. The electric energy meter checking pipeline online checking system according to claim 1, wherein: the electric energy meter simulators (1) are connected in a current series connection mode and a voltage parallel connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999885.5U CN212083646U (en) | 2019-11-19 | 2019-11-19 | Online checking system for electric energy meter checking assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999885.5U CN212083646U (en) | 2019-11-19 | 2019-11-19 | Online checking system for electric energy meter checking assembly line |
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| Publication Number | Publication Date |
|---|---|
| CN212083646U true CN212083646U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921999885.5U Active CN212083646U (en) | 2019-11-19 | 2019-11-19 | Online checking system for electric energy meter checking assembly line |
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| Country | Link |
|---|---|
| CN (1) | CN212083646U (en) |
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- 2019-11-19 CN CN201921999885.5U patent/CN212083646U/en active Active
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