CN218497071U - Automatic device for electrostatic discharge test of single-phase intelligent electric energy meter - Google Patents
Automatic device for electrostatic discharge test of single-phase intelligent electric energy meter Download PDFInfo
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- CN218497071U CN218497071U CN202222327572.3U CN202222327572U CN218497071U CN 218497071 U CN218497071 U CN 218497071U CN 202222327572 U CN202222327572 U CN 202222327572U CN 218497071 U CN218497071 U CN 218497071U
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Abstract
The utility model discloses an automation device for electrostatic discharge test of single-phase intelligent electric energy meter, comprising a box body with an opening on the front side, a power supply and communication module arranged on the lower side surface in the box body, a lifting beam arranged at the opening position of the box body, and a slide rail type electrostatic generator discharge assembly respectively arranged on the upper side surface, the left side surface, the right side surface and the back surface of the lifting beam in the box body; the bottom surface of the interior of the box body is provided with an electric energy meter positioning frame, the sliding rail type electrostatic generator discharging assembly comprises a sliding rail and a discharging head mounting seat arranged on the sliding rail in a moving mode, a telescopic device arranged on the discharging head mounting seat and a discharging head arranged at the front end of the telescopic device in a plug-in connection mode. The utility model can accurately position the static electricity releasing position and trace after the test is finished; the electric quantity and the clock can be compared in the test process, and whether the communication is normal or not is judged; the tester only needs to observe the display of the liquid crystal screen and whether sparks are generated or not, and the operation is simple.
Description
Technical Field
The utility model relates to an electric energy meter test technical field, concretely relates to single-phase intelligent electric energy meter electrostatic discharge test's automation equipment.
Background
The intelligent electric energy meter is one of measuring instruments which are mainly regulated by the state, and a series of electromagnetic compatibility tests are required according to the requirements of national standard GB/T17626.2-2018. The electrostatic discharge immunity test is an important technical index for checking the overall electrical safety of electric energy meter components and equipment. In the test process, the electric energy meter is halted, sparks, system reset, clock disorder or stop, display disorder and pulse lamp flicker occur, and the electric energy meter static discharge immunity test is judged to be unqualified.
The electrostatic discharge test method of the existing intelligent electric energy meter comprises the following steps: a tester holds a discharge gun of the electrostatic generator by hand, sets corresponding test parameters and performs a test. The voltage circuit applies a nominal voltage, the current circuit is currentless, and the current terminals are open-circuited. The method comprises the following steps of (1) carrying out contact discharge on a metal part of the electric energy meter, wherein a pointed discharge gun is used as a discharge gun; and the non-metal part of the electric energy meter adopts air discharge, and the discharge gun adopts a round head discharge gun. Before the test, the errors of the current electric energy, the clock and the Beijing time of the electric energy meter are required to be recorded; in the test process, whether sparks are generated or not, whether the key is turned over and is clamped or not and whether the liquid crystal display lacks a pen or not need to be observed; after the discharging is finished, whether the current electric energy of the electric energy meter changes or not and whether the error between the clock and the Beijing time changes or not need to be compared.
The electrostatic discharge test method of the intelligent electric energy meter has the main problems that:
firstly, when a tester holds the discharge gun to discharge, the distance between the tester and the outer surface of the shell and the swept area are difficult to control, partial areas are easy to omit, the holding height is not high or low, and test data are unreliable;
the change of the electric energy and the clock is compared after the discharge is finished; if the data is abnormal, it is difficult to return to and search for the position of the data abnormality caused by electrostatic discharge;
and thirdly, when a tester holds the discharge gun to discharge, the tester needs to press keys to turn over the screen and observe the liquid crystal screen, so that the operation is difficult.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect and the uncertainty that exist among the original experiment, the utility model provides a single-phase intelligent ammeter electrostatic discharge test's automation equipment. The device aims at accurately positioning the electrostatic discharge position and can trace after the test is finished; in the test process, the electric quantity and the clock can be compared, and whether the communication is normal or not is judged; the tester only needs to observe the display of the liquid crystal screen and whether sparks are generated or not, so that the operation is simple. The specific technical scheme is as follows:
an automation device for electrostatic discharge tests of single-phase intelligent electric energy meters comprises a box body with an opening on the front side, a power supply and communication module arranged on the lower side surface inside the box body, a lifting beam arranged at the opening position of the box body, and a slide rail type electrostatic generator discharge assembly respectively arranged on the upper side surface, the left side surface, the right side surface and the back surface of the lifting beam inside the box body; the bottom surface of the interior of the box body is provided with an electric energy meter positioning frame, the sliding rail type electrostatic generator discharging assembly comprises a sliding rail and a discharging head mounting seat arranged on the sliding rail in a moving mode, a telescopic device arranged on the discharging head mounting seat and a discharging head arranged at the front end of the telescopic device in a plug-in connection mode.
The discharge head can adopt a pointed discharge head or a round discharge head according to the requirement of the test.
As an optimized scheme of the utility model, be provided with a pair of guiding hole on the upper portion box wall of box body, be provided with a pair of guide bar on the lift roof beam, a pair of guide bar correspond insert in a pair of guiding hole the upper portion box wall of box body with be provided with servo electric putter between the lift roof beam.
Preferably, a guide sleeve coaxial with the guide hole is further fixed on the upper box wall of the box body so as to increase the length of the guide.
Preferably, the slide rail type electrostatic generator discharging assembly is arranged on the upper side face, the left side face and the right side face in the box body, and a plurality of discharging heads arranged at intervals are inserted into the front end of the expansion piece along the front-back direction.
The plurality of discharge heads are arranged at the front end of the expansion piece at intervals, so that the lattice test of the side surface of the single-phase intelligent electric energy meter can be realized. During testing, a plurality of discharge heads are sequentially switched on (only one discharge head is switched on at a time).
The utility model discloses in, slide rail formula electrostatic generator discharge assembly still including fixing the step motor of slide rail tip, connection the lead screw of step motor's motor shaft, lead screw threaded connection discharge head mount pad, discharge head mount pad passes through the transmission of step motor and lead screw is connected and is realized discharge head mount pad is followed the removal of slide rail.
Preferably, the telescopic device is a pneumatic telescopic device.
The utility model discloses in, the electric energy meter posting is in by the setting four location angle square on the inside bottom surface of box body are constituteed.
Preferably, an alarm lamp is arranged on the box body.
For convenient operation, the box body can be fixed on a bracket.
Preferably, the box body is arranged on the bracket in an inclined manner of 15-30 degrees.
The utility model discloses in, power supply and communication module, discharge head, servo electric putter, step motor, pneumatic expansion bend, alarm lamp are connection control system respectively.
Preferably, the control system adopts a PLC control system.
During testing, the control system carries out electrostatic discharge in a dot-matrix mode according to a test path set by a program, and records the coordinates of electrostatic discharge points. And if the control system judges that the data is abnormal in the test process, alarming. In the test process, the control system continuously keeps reading the data of the electric energy meter through the communication terminal, judges whether the electric energy meter is halted and reset, and simultaneously compares the electric energy and the clock of the electric energy meter in real time to judge whether the data is abnormal. If the static electricity discharge point is abnormal, the slide rail and the static electricity discharge are immediately stopped, and the coordinate position of the current static electricity discharge point is recorded. So as to analyze whether the position is abnormal due to the electrostatic action or not.
The utility model has the advantages that:
first, the utility model discloses an experimental automation equipment of single-phase intelligent ammeter electrostatic discharge is provided with a plurality of slide rail formula electrostatic generator discharge assembly at the inside lateral wall of box body and uncovered position, can carry out the experimental automatic test of electrostatic discharge to the corresponding position of electric energy meter to can overcome the test distance that conventional artifical test method brought and sweep the area and be difficult to hold, omit partial region easily, the unreliable drawback of the experimental data that leads to of handheld highly neglected height.
Secondly, the utility model discloses an automation equipment of single-phase intelligent ammeter electrostatic discharge test, power supply and communication module, discharge head, servo electric push rod, step motor, pneumatic expansion bend, alarm lamp are connected control system respectively, can pinpoint the electrostatic discharge position, and can trace back after the test is finished; in the test process, the electric quantity and the clock can be compared, and whether the communication is normal or not is judged; the tester only needs to observe the display of the liquid crystal screen and whether sparks are generated or not, so that the operation is simple.
Third, the utility model discloses an experimental automation equipment of single-phase intelligent ammeter electrostatic discharge, the slide rail formula electrostatic generator who is located the uncovered position of box body subassembly that discharges can wholly reciprocate, thereby slide rail formula electrostatic generator subassembly that discharges can upwards roll back and give way installation space when installing the electric energy meter, can not take place to interfere.
Fourth, the utility model discloses an experimental automation equipment of single-phase intelligent ammeter electrostatic discharge, the discharge head adopts the grafting mode to install on the expansion bend, conveniently changes not nanostructured's discharge head.
Drawings
Fig. 1 is a schematic structural diagram of an automation device for electrostatic discharge test of a single-phase intelligent electric energy meter according to the present invention;
fig. 2 is an adoption the utility model discloses a single-phase intelligent ammeter electrostatic discharge test's automation equipment carries out the experimental flow chart of electrostatic discharge.
In the figure: 1. uncovered, 2, box body, 3, power supply and communication module, 4, lifting beam, 5, slide rail formula electrostatic generator discharge assembly, 6, electric energy meter locating frame, 7, slide rail, 8, discharge head mount pad, 9, expansion bend, 10, discharge head, 11, guiding hole, 12, guide bar, 13, servo electric putter, 14, location angle square, 15, alarm lamp, 16, uide bushing, 17, single-phase intelligent electric energy meter.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
fig. 1 to 2 show an embodiment of an automation device for electrostatic discharge test of single-phase intelligent electric energy meter according to the present invention, which includes a box body 2 with an opening 1 on the front side, a power supply and communication module 3 disposed on the lower side surface inside the box body 2, a lifting beam 4 disposed at the position of the opening 1 of the box body 2, and a slide rail type electrostatic generator discharge assembly 5 disposed on the upper side surface, the left side surface, the right side surface and the back surface of the lifting beam 4 inside the box body 2; the inside bottom surface of box body 2 is provided with electric energy meter positioning frame 6, slide rail formula electrostatic generator subassembly 5 that discharges includes slide rail 7 and removes the setting and is in discharge head mount pad 8 on the slide rail 7, set up and be in expansion bend 9 on the discharge head mount pad 8, set up with the plug-in connection mode the discharge head 10 of expansion bend 9 front end.
The discharge head 10 may be a pointed discharge head or a round discharge head, as required for the test.
As a preferable scheme of this embodiment, a pair of guide holes 11 is provided on the upper box wall of the box body 2, a pair of guide rods 12 is provided on the lifting beam 4, the pair of guide rods 12 are correspondingly inserted into the pair of guide holes 11, and a servo electric push rod 13 is provided between the upper box wall of the box body 2 and the lifting beam 4.
Preferably, a guide sleeve 16 coaxial with the guide hole 11 is further fixed on the upper box wall of the box body 2 to increase the length of the guide.
Preferably, the front end of the telescopic device 9 of the slide rail type electrostatic generator discharging assembly 5 positioned on the upper side, the left side and the right side inside the box body 2 is inserted with a plurality of discharging heads 10 arranged at intervals along the front-back direction.
The plurality of discharge heads 10 are arranged at the front end of the expansion piece 9 at intervals, so that the lattice test of the side surface of the single-phase intelligent electric energy meter 17 can be realized. The discharge heads 10 are turned on in sequence during the test (only one discharge head 10 is turned on at a time).
In this embodiment, the slide rail type electrostatic generator discharging assembly 5 further includes a stepping motor fixed at the end of the slide rail 7, and a lead screw (the stepping motor and the lead screw are not shown in the drawing) connected to a motor shaft of the stepping motor, the lead screw is in threaded connection with the discharge head mounting base 8, and the discharge head mounting base 8 is connected to the lead screw through transmission of the stepping motor and the lead screw to realize movement of the discharge head mounting base 8 along the slide rail 7.
Preferably, the telescopic device 9 is a pneumatic telescopic device.
In this embodiment, the electric energy meter positioning frame 6 is composed of four positioning angle squares 14 arranged on the bottom surface inside the box body 2.
Preferably, an alarm lamp 15 is arranged on the box body 2.
For convenience of operation, the case 2 may be fixed to a stand.
Preferably, the box body is arranged on the bracket in an inclined manner of 15-30 degrees.
In this embodiment, the power supply and communication module 3, the discharge head 10, the servo electric push rod 13, the stepping motor, the pneumatic expansion piece 9, and the alarm lamp 15 are respectively connected to the control system.
Preferably, the control system adopts a PLC control system.
During testing, the control system carries out electrostatic discharge in a dot-matrix mode according to a test path set by a program, and records the coordinates of electrostatic discharge points. And if the control system judges that the data is abnormal in the test process, alarming. In the test process, the control system continuously keeps reading the data of the electric energy meter through the communication terminal, judges whether the electric energy meter is halted and reset, and simultaneously compares the electric energy and the clock of the electric energy meter in real time to judge whether the data is abnormal. If the static electricity discharge point is abnormal, the slide rail and the static electricity discharge are immediately stopped, and the coordinate position of the current static electricity discharge point is recorded. So as to analyze whether the position is abnormal due to the electrostatic action or not.
Example 2:
the test flow of the automatic device for the electrostatic discharge test of the single-phase intelligent electric energy meter in the embodiment 1 is as follows:
(1) The electric energy meter is arranged on an automation device, nominal voltage is applied to a voltage terminal, no current exists, and a current terminal is open-circuited.
(2) Testing of metal parts of the electric energy meter: the discharge head is replaced by a pointed discharge head, the voltage of the electrostatic generator is set to be 8KV, the polarity is positive, and each coordinate point is hit for 10 times. According to a preset path, contact discharge is adopted. In the electrostatic discharge process, the control system continuously keeps communication with the electric energy meter, reads whether the current electric quantity in the meter changes or not, whether a clock in the meter is disordered or not and whether the communication is overtime or not. Meanwhile, a tester presses a key to turn the screen to observe whether the pen is stuck or not, and the liquid crystal display displays whether the pen is short or not. In the test process, if the control system finds that the reading data is abnormal, the alarm lamp is turned on, and the test is immediately stopped; or the tester finds that the display is abnormal, and can manually stop the electrostatic output and stop the test. When the control system gives an alarm or a tester stops manually, the control system outputs the coordinate position of the discharge head when the abnormal condition occurs, and the coordinate position is used for analyzing whether the electric energy meter metering is abnormal or not due to the electrostatic action of the point. The negative polarity test procedure is as above.
(3) Testing of non-metallic parts: the discharge head is replaced by a round-head discharge head, the voltage of the electrostatic generator is set to be 15KV, the polarity is positive, and each coordinate point is hit for 10 times. According to the preset path, the discharge heads sequentially discharge air. In the electrostatic discharge process, the control system continuously keeps communication with the electric energy meter, reads whether the current electric quantity in the meter changes or not, whether a clock in the meter is disordered or not and whether the communication is overtime or not. Meanwhile, a tester presses a key to turn the screen to observe whether the pen is stuck or not, and the liquid crystal display displays whether the pen is short or not. In the test process, if the control system finds that the reading data is abnormal, the alarm lamp is turned on, and the test is immediately stopped; or the tester finds that the display is abnormal, and can manually stop the electrostatic output and stop the test. When the control system gives an alarm or a tester stops manually, the control system outputs the coordinate position of the discharge head when the abnormal condition occurs, and the coordinate position is used for analyzing whether the electric energy meter metering is abnormal or not due to the electrostatic action of the point. The negative polarity test procedure is as above.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An automation device for electrostatic discharge tests of single-phase intelligent electric energy meters is characterized by comprising a box body with an opening on the front side, a power supply and communication module arranged on the lower side surface in the box body, a lifting beam arranged at the opening position of the box body, and a slide rail type electrostatic generator discharge assembly respectively arranged on the upper side surface, the left side surface, the right side surface and the back surface of the lifting beam in the box body; the bottom surface of the interior of the box body is provided with an electric energy meter positioning frame, the sliding rail type electrostatic generator discharging assembly comprises a sliding rail and a discharging head mounting seat arranged on the sliding rail in a moving mode, a telescopic device arranged on the discharging head mounting seat and a discharging head arranged at the front end of the telescopic device in a plug-in connection mode.
2. The automation device for the electrostatic discharge test of the single-phase intelligent electric energy meter as claimed in claim 1, wherein a pair of guide holes are formed on the upper box wall of the box body, a pair of guide rods are arranged on the lifting beam, the pair of guide rods are correspondingly inserted into the pair of guide holes, and a servo electric push rod is arranged between the upper box wall of the box body and the lifting beam.
3. The automation device for the electrostatic discharge test of the single-phase intelligent electric energy meter as claimed in claim 1, wherein the front end of the expansion piece of the slide rail type electrostatic generator discharging assembly positioned on the upper side, the left side and the right side inside the box body is inserted with a plurality of discharging heads arranged at intervals along the front-back direction.
4. The automatic electrostatic discharge test device for the single-phase intelligent electric energy meter, according to claim 2, wherein the slide rail type electrostatic generator discharge assembly further comprises a stepping motor fixed at an end of the slide rail, and a lead screw connected to a motor shaft of the stepping motor, the lead screw is in threaded connection with the discharge head mounting base, and the discharge head mounting base realizes the movement of the discharge head mounting base along the slide rail through the transmission connection of the stepping motor and the lead screw.
5. The automation device for the electrostatic discharge test of the single-phase intelligent electric energy meter as claimed in claim 4, wherein the retractor is a pneumatic retractor.
6. The automation device for electrostatic discharge test of single-phase intelligent electric energy meter according to claim 1, wherein the electric energy meter positioning frame is composed of four positioning angle rulers arranged on the bottom surface inside the box body.
7. The automation device for the electrostatic discharge test of the single-phase intelligent electric energy meter as claimed in claim 5, characterized in that an alarm lamp is arranged on the box body.
8. The automation device for the electrostatic discharge test of the single-phase intelligent electric energy meter as claimed in claim 1, wherein the box body is fixed on a bracket.
9. The automation device for the electrostatic discharge test of the single-phase intelligent electric energy meter as claimed in claim 8, wherein the box body is arranged on the support in an inclined manner of 15-30 °.
10. The automation device for the electrostatic discharge test of the single-phase intelligent electric energy meter according to claim 7, wherein the power supply and communication module, the discharge head, the servo electric push rod, the stepping motor, the pneumatic expansion device and the alarm lamp are respectively connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327572.3U CN218497071U (en) | 2022-09-02 | 2022-09-02 | Automatic device for electrostatic discharge test of single-phase intelligent electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327572.3U CN218497071U (en) | 2022-09-02 | 2022-09-02 | Automatic device for electrostatic discharge test of single-phase intelligent electric energy meter |
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| Publication Number | Publication Date |
|---|---|
| CN218497071U true CN218497071U (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222327572.3U Active CN218497071U (en) | 2022-09-02 | 2022-09-02 | Automatic device for electrostatic discharge test of single-phase intelligent electric energy meter |
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| CN (1) | CN218497071U (en) |
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- 2022-09-02 CN CN202222327572.3U patent/CN218497071U/en active Active
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