CN216748050U - Electric energy meter testing device - Google Patents
Electric energy meter testing device Download PDFInfo
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- CN216748050U CN216748050U CN202122826947.6U CN202122826947U CN216748050U CN 216748050 U CN216748050 U CN 216748050U CN 202122826947 U CN202122826947 U CN 202122826947U CN 216748050 U CN216748050 U CN 216748050U
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Abstract
The utility model discloses an electric energy meter testing device, relates to the technical field of electric energy meter testing, and solves the technical problem of low efficiency due to the fact that a single sampling inspection mode is adopted when an electric energy meter is detected. The device comprises a control box, an intelligent meter hanging frame and a PC (personal computer); a plurality of single-phase electric energy meters and/or three-phase electric energy meters can be placed on the intelligent meter hanging frame; the intelligent meter hanging frame is provided with a plurality of binding posts, and the binding posts are electrically connected with the single-phase electric energy meter and the three-phase electric energy meter and can be used for testing; the PC is electrically connected with the control box and the intelligent meter hanging frame respectively; and an adjusting device is arranged in the control box, and the adjusting device can adjust parameters during testing. The utility model can simulate the conditions and the situations of the electric energy meters in real application through the changes of voltage, current and the like, so that the test result is more accurate, and simultaneously, different electric energy meters can be tested in batches, thereby improving the test efficiency of the electric energy meters.
Description
Technical Field
The utility model relates to the technical field of electric energy meter testing, in particular to an electric energy meter testing device.
Background
The electric energy meter is a meter for measuring electric energy, is applied to various electronic test sites, and has a self-evident importance. The currently used electric energy meter needs 24 hours of continuous standby operation for a long time, and the operation time is long; before the electric energy meter is operated in a grid-connected mode, after factory production is completed, reasonable high-temperature aging needs to be conducted on the electric energy meter, simulation experiments for simulating the power grid condition need to be strengthened, and whether the electric energy meter can be operated reliably under the conditions of power-on, power-off and the like under the condition of high temperature of 60 degrees is checked.
The aging test of the electric energy meter is a long-time test item, and in the prior art, the aging test of the electric energy meter is carried out by utilizing a single detection mode, so that the test time is long, the test efficiency is low, and the detection is incomplete. Therefore, the electric energy meter testing device is provided to solve the problems.
In the process of implementing the utility model, the utility model people find that at least the following problems exist in the prior art:
when the electric energy meter is detected in the prior art, a single spot inspection mode is adopted, the efficiency is low, and the detection is not comprehensive enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric energy meter testing device, which solves the technical problem that in the prior art, when the electric energy meter is detected, a single sampling detection mode is adopted, and the efficiency is low. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an electric energy meter testing device which is used for testing an electric energy meter and comprises a control box, an intelligent meter hanging frame and a PC (personal computer); a plurality of single-phase electric energy meters and/or three-phase electric energy meters can be placed on the intelligent meter hanging frame; the intelligent meter hanging frame is provided with a plurality of binding posts, and the binding posts are electrically connected with the single-phase electric energy meter and the three-phase electric energy meter and can be used for testing; the PC is electrically connected with the control box and the intelligent meter hanging frame respectively; and an adjusting device is arranged in the control box, and the adjusting device can adjust parameters during testing.
Preferably, the intelligent meter hanging frame is also provided with a multifunctional wiring port, and the intelligent meter hanging frame is electrically connected with the control box and the PC through the multifunctional wiring port; the control box inputs test parameters for the single-phase electric energy meters and/or the three-phase electric energy meters through the multifunctional wiring port, and the PC is electrically connected with the multifunctional wiring port and displays test results of the single-phase electric energy meters and/or the three-phase electric energy meters.
Preferably, the intelligent meter hanging frame is also provided with a test interface; the test interface is arranged corresponding to the binding post, and the electric energy meter can be tested by electrically connecting the test interface with the binding post.
Preferably, the terminals comprise single-phase electric energy meter terminals and three-phase electric energy meter terminals, the number of the single-phase electric energy meter terminals is 12, and the number of the three-phase electric energy meter terminals is 4.
Preferably, the upper ends of the single-phase electric energy meter binding post and the three-phase electric energy meter binding post are respectively and correspondingly provided with a pressure welding plate.
Preferably, the control box comprises a first control box; and the first control box is provided with a voltage regulator, a current regulator, a voltage display window and a current display window.
Preferably, the control box further comprises a second control box, and the second control box is provided with a switching power supply controller, an MCU single chip controller, a signal controller and an AC220V input port.
Preferably, the PC and the intelligent meter hanging frame are electrically connected with the second control box, and the second control box is electrically connected with the first control box.
Preferably, the PC is capable of displaying a test result of the electric energy meter and storing the detected test data.
Preferably, the bottom of the intelligent meter hanging frame is provided with a plurality of universal wheels.
The implementation of one of the technical schemes of the utility model has the following advantages or beneficial effects:
the intelligent ammeter hanging device comprises a control box, an intelligent ammeter hanging frame and a PC (personal computer), wherein the control box can adjust parameters of voltage and current, and simulate data such as voltage and current to test the ammeter. The utility model can simulate the conditions and the situations of the electric energy meter in real application under the conditions of a combined test case of voltage change, current change and uninterrupted power supply at the high-temperature 60-DEG C environment temperature, so that the test result is more accurate, different electric energy meters can be tested in batches, and the test efficiency of the electric energy meters is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of an intelligent meter hanging rack according to an embodiment of the electric energy meter testing device of the utility model;
FIG. 2 is a schematic diagram of an overall structure of an embodiment of a testing apparatus for an electric energy meter according to the present invention;
FIG. 3 is a schematic diagram of a single-phase electric energy meter test connection according to an embodiment of the electric energy meter test apparatus of the present invention;
fig. 4 is a schematic diagram of a test connection of a three-phase electric energy meter according to an embodiment of the electric energy meter testing device of the utility model.
In the figure: 1. a PC machine; 2. a first control box; 21. a voltage regulator; 22. a current regulator; 23. a voltage display window; 24. a current display window; 3. a second control box; 31. a switching power supply controller; 32. MCU single chip controller; 33. a signal controller; 34. an AC220V input port; 4. an intelligent meter hanging frame; 41. a single-phase electric energy meter wiring terminal; 42. binding posts of the three-phase electric energy meter; 43. a test interface; 44. a pressure welding plate; 45. a multifunctional wiring port; 5. a universal wheel.
Detailed Description
In order that the objects, aspects and advantages of the present invention will become more apparent, various exemplary embodiments will be described below with reference to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary embodiments in which the utility model may be practiced. The same numbers in different drawings identify the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatus, etc. consistent with certain aspects of the present disclosure as detailed in the appended claims, and that other embodiments may be used or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," and the like are used in the orientations and positional relationships illustrated in the accompanying drawings for the purpose of facilitating the description of the present invention and simplifying the description, and do not indicate or imply that the elements so referred to must have a particular orientation, be constructed in a particular orientation, and be operated. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "connected" and "coupled" are to be construed broadly and may include, for example, a fixed connection, a removable connection, an integral connection, a mechanical connection, an electrical connection, a communicative connection, a direct connection, an indirect connection via intermediate media, and may include, for example, a connection between two elements or an interaction between two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to explain the technical solution of the present invention, the following description is made by way of specific examples, which only show the relevant portions of the embodiments of the present invention.
Example (b):
as shown in fig. 1-2, the present invention provides a testing apparatus for an electric energy meter, which is used for testing the electric energy meter, and the testing apparatus can perform aging and other tests on the electric energy meter. The electric energy meter testing device comprises a control box, an intelligent meter hanging frame 4 and a PC (personal computer) 1, wherein the control box can adjust parameters of voltage and current, and data such as analog voltage and current are used for testing the electric energy meter. A plurality of single-phase electric energy meters and/or three-phase electric energy meters can be placed on the intelligent meter hanging frame 4, the single-phase electric energy meters and the three-phase electric energy meters are tested simultaneously, the time for testing the electric energy meters is shortened, and the testing efficiency is improved. As shown in fig. 3-4, still be provided with a plurality of terminal on the intelligence string table frame 4, the middle part in the top of intelligence string table frame 4 is provided with a plurality of single-phase electric energy meter terminal 41 side by side, and intelligence string table frame 4 is divided down and is provided with a plurality of three-phase electric energy meter terminal 42, and single-phase electric energy meter terminal 41, three-phase electric energy meter terminal 42 can provide test parameter for single-phase electric energy meter, three-phase electric energy meter and test it. The PC 1 is respectively and electrically connected with the control box and the intelligent meter hanging frame 4, the PC 1 is connected with the control box through two connecting wires, the PC 1 is connected with the intelligent meter hanging frame 4 through one connecting wire, an adjusting device is arranged in the control box, the adjusting device can adjust parameters, the conditions and the conditions of the electric energy meter in real application are simulated under the condition of a combined test case with voltage change, current change and uninterrupted power supply, and aging test and other tests are carried out on the electric energy meter through adjustment of the parameters, so that the test result is more accurate, and the test device can test different electric energy meters in batches, and improves the test efficiency of the electric energy meter.
As an optional implementation manner, as shown in fig. 1, a multifunctional wiring port 45 is further provided on the intelligent meter hanging frame 4, the connection between the devices on the intelligent meter hanging frame 4 and the outside is performed through the multifunctional wiring port 45, the intelligent meter hanging frame 4 is electrically connected with the control box and the PC 1 through the multifunctional wiring port 45, and the control box is connected with the functional wiring port through three connecting wires to input test parameters for the single-phase electric energy meter and the three-phase electric energy meter; PC 1 carries out the electricity through a connecting wire and multi-functional wiring mouth 45 and is connected, show the test result of a plurality of single-phase electric energy meters and/or three-phase electric energy meter, and PC 1 can save the parameter after the test is accomplished, after test ageing or other in-process appearance are unusual, host computer software can take notes corresponding ammeter serial number appearance abnormal time immediately, unusual reason, the unusual that appears under what test condition of simultaneous recording, can make things convenient for the tester to come reappear the trouble phenomenon through the test case like this, and the efficiency of software testing is improved. In addition, the PC 1 can calculate the metering error and error deviation before and after the test and store the data; and meanwhile, the total active electric quantity before and after the test, the forward total active electric quantity and the reverse total active electric quantity can be read.
As an optional implementation manner, the intelligent meter hanging frame 4 is further provided with a test interface 43; test interface 43 corresponds the setting with the terminal, and test interface 43 passes through the connecting wire with the terminal and is connected just can test the electric energy meter. The binding posts and the electric energy meter are correspondingly arranged, and the binding posts comprise single-phase electric energy meter binding posts 41 and three-phase electric energy meter binding posts 42, in the utility model, the number of the single-phase electric energy meter binding posts 41 is 12, and the number of the three-phase electric energy meter binding posts 42 is 4, namely, when batch test is carried out on the electric energy meters in batches, the number of the single-phase electric energy meter tests is 12, and the number of the three-phase electric energy meters is 4. When the electric energy meter is tested, batch testing can be performed, time is saved, and testing efficiency is improved.
As an alternative embodiment, as shown in fig. 3 to 4, the upper ends of the single-phase electric energy meter terminal 41 and the three-phase electric energy meter terminal 42 are respectively provided with a crimping plate 44. Specifically, the crimping plate 44 is an automatic positioning crimping plate, and the crimping plate 44 serves as a fixing member for fixing the single-phase electric energy meter and the three-phase electric energy meter before the electric energy meter is tested. Specifically, when the electric energy meter is tested, the single-phase electric energy meter and the three-phase electric energy meter are installed in the corresponding crimping plates 44, the single-phase electric energy meter and the three-phase electric energy meter are butted with the single-phase electric energy meter binding posts 41 and the three-phase electric energy meter binding posts 42, and after the single-phase electric energy meter and the three-phase electric energy meter are electrified, the single-phase electric energy meter and the three-phase electric energy meter can be tested.
As an alternative embodiment, as shown in fig. 2, the control box includes a first control box 2; the first control box 2 inputs parameters of the electric energy meter through the multifunctional wiring port 45. The first control box 2 is provided with a voltage regulator 21, a current regulator 22, a voltage display window 23, and a current display window 24. The voltage display window 23 and the current display window 24 are used to display the voltage value of the real-time test. The voltage regulator 21 and the current regulator 22 are used for regulating voltage and current parameters, and simulating whether the state of the electric energy meter changes in the changing process of various voltages and currents, so that the test result is more accurate.
As an alternative embodiment, as shown in fig. 2, the control box further includes a second control box 3, and the second control box 3 performs switching, signal and other control on the electric energy meter on the intelligent meter hanging rack 4 through a multifunctional wiring port 45. The PC 1 is connected with the second control box 3 through two connecting wires, the second control box 3 is connected with the first control box 2 through three connecting wires, and the second control box 3 is connected with the multifunctional wiring port 45 through three connecting wires. The second control box 3 is provided with a switching power controller 31, an MCU (microprogrammed control unit) controller 32, a signal controller 33, an AC220V input port 34, a switching interface corresponding to the switching power controller 31, and an MCU control interface corresponding to the MCU controller 32, specifically, an AC220V is used for voltage input, when the three-phase electric energy meter is tested, the voltage is regulated to AC380V on the voltage regulator 21, the condition that the three-phase electric energy meter is actually used is simulated, the steps are simple, and the efficiency is high.
As an alternative embodiment, the bottom of the intelligent meter hanging frame 4 is provided with a plurality of universal wheels 5. Collectively, the preferred four of quantity of universal wheel 5, universal wheel 5 sets up in the bottom of intelligence wall table frame 4 for support and remove intelligence wall table frame 4, and is provided with brake equipment on the universal wheel 5, and brake equipment can be in the removal of intelligence wall table frame 4 and accomplish the back, fixes it in a position, the difficult off tracking of direction. The intelligent meter hanging frame can be moved, time is saved when the intelligent meter hanging frame 4 needs to be moved, and the practicability is high.
The test parameters of the present invention are as follows. The voltage test rating is achieved in U%: 0%, 30%, 40%, 60%, 70%, 80%, 100%, 120%, 140%, 160% continuously adjustable full coverage. The current test grade is realized: and minI, trI, Ib, 2Ib, Imax and 1.2Imax can be continuously adjusted to realize full coverage. Duration of voltage experiment: 0.01-300.00S can be set; the voltage interval time is set to 0-300S. Duration of the current experiment: 0.01-300.00S can be set, the voltage interval time can be set, and 0-300S can be set. The number of voltage and current tests is set to 0-9999999 times. The high-precision digital secondary meter for testing voltage and current is used for monitoring in real time, and the voltage and current drop test mode is automatically switched. 1 set of three-phase isolation voltage source (0-480 VAC +/-2% continuously adjustable, 0.01V,50/60Hz and 10KW in precision). 1 set of three-phase isolation current sources (0-100 AAC +/-3% continuously adjustable, 0.01A,50/60Hz and 10 KW). The closing time of the time controller is 0.01-300.00S, the time interval is 0-300S, the time interval is 0-9999999 times, and 2-way normally open contacts and 2-way normally closed contacts are arranged.
The utility model tests the electric energy meter at the high temperature of 60 ℃, and under the condition of the combined test case of voltage change, current change and uninterrupted power supply, the electric energy value of the electric energy meter is normally accumulated and completely displayed, the effective values of the current and the voltage are measured within the normal range, and the constant test of the meter is qualified. After the electric energy meter is abnormal in the test aging process, the upper computer software can immediately record the abnormal time and the abnormal reason of the serial number of the corresponding electric energy meter and simultaneously record the abnormal conditions under which the test conditions occur, so that the tester can conveniently reproduce the fault phenomenon through the test case, the time is saved, and the test efficiency is improved.
The embodiment is only a specific example and does not indicate such an implementation of the utility model.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. An electric energy meter testing device is used for testing an electric energy meter and is characterized by comprising a control box, an intelligent meter hanging frame (4) and a PC (personal computer) machine (1); a plurality of single-phase electric energy meters and/or three-phase electric energy meters can be placed on the intelligent meter hanging frame (4); the intelligent meter hanging frame (4) is provided with a plurality of binding posts, and the binding posts are electrically connected with the single-phase electric energy meter and the three-phase electric energy meter and can be used for testing; the PC (1) is electrically connected with the control box and the intelligent meter hanging frame (4) respectively; and an adjusting device is arranged in the control box, and the adjusting device can adjust parameters during testing.
2. The electric energy meter testing device according to claim 1, characterized in that a multifunctional wiring port (45) is further arranged on the intelligent meter hanging frame (4), and the intelligent meter hanging frame (4) is electrically connected with the control box and the PC (1) through the multifunctional wiring port (45); the control box inputs test parameters for the single-phase electric energy meters and/or the three-phase electric energy meters through the multifunctional wiring port (45), and the PC (1) is electrically connected with the multifunctional wiring port (45) and displays test results of the single-phase electric energy meters and/or the three-phase electric energy meters.
3. The electric energy meter testing device according to claim 1, wherein the intelligent meter hanging frame (4) is further provided with a testing interface (43); the testing interface (43) is arranged corresponding to the binding post, and the electric energy meter can be tested by electrically connecting the testing interface (43) with the binding post.
4. An electric energy meter testing device according to claim 3, characterized in that the terminals comprise single-phase electric energy meter terminals (41) and three-phase electric energy meter terminals (42), the single-phase electric energy meter terminals (41) are arranged in 12, and the three-phase electric energy meter terminals (42) are arranged in 4.
5. The electric energy meter testing device according to claim 4, characterized in that the upper ends of the single-phase electric energy meter binding post (41) and the three-phase electric energy meter binding post (42) are respectively provided with a crimping plate (44) correspondingly.
6. An electric energy meter testing device according to claim 1, characterized in that the control box comprises a first control box (2); the first control box (2) is provided with a voltage regulator (21), a current regulator (22), a voltage display window (23) and a current display window (24).
7. The electric energy meter testing device according to claim 6, characterized in that the control box further comprises a second control box (3), and a switching power controller (31), an MCU (MCU) singlechip controller (32), a signal controller (33) and an AC220V input port (34) are arranged on the second control box (3).
8. The electric energy meter testing device according to claim 7, wherein the PC (1) and the intelligent meter hanging frame (4) are electrically connected with the second control box (3), and the second control box (3) is electrically connected with the first control box (2).
9. An electric energy meter testing device according to claim 1, characterized in that the PC (1) is capable of displaying the test result of the electric energy meter and storing the detected test data.
10. The electric energy meter testing device according to claim 1, wherein a plurality of universal wheels (5) are arranged at the bottom of the intelligent meter hanging frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826947.6U CN216748050U (en) | 2021-11-16 | 2021-11-16 | Electric energy meter testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826947.6U CN216748050U (en) | 2021-11-16 | 2021-11-16 | Electric energy meter testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216748050U true CN216748050U (en) | 2022-06-14 |
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ID=81929436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122826947.6U Active CN216748050U (en) | 2021-11-16 | 2021-11-16 | Electric energy meter testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216748050U (en) |
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2021
- 2021-11-16 CN CN202122826947.6U patent/CN216748050U/en active Active
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