CN114545758A - Testing device for debugging daily timing error of electric energy meter - Google Patents
Testing device for debugging daily timing error of electric energy meter Download PDFInfo
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- CN114545758A CN114545758A CN202210013324.3A CN202210013324A CN114545758A CN 114545758 A CN114545758 A CN 114545758A CN 202210013324 A CN202210013324 A CN 202210013324A CN 114545758 A CN114545758 A CN 114545758A
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- electric energy
- energy meter
- timing error
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000009434 installation Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
-
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/002—Electrical measuring and testing apparatus
- G04D7/003—Electrical measuring and testing apparatus for electric or electronic clocks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to a testing device for debugging daily timing errors of an electric energy meter, which comprises a control mainboard, a clock tester, an upper computer and a testing device, the testing device comprises a supporting plate bracket and a baffle bracket, wherein the baffle bracket is provided with a plurality of mounting tables, the mounting table is provided with a plurality of meter positions, each meter position comprises a plug thimble and a wiring end post, the end part of the plug thimble is provided with an elastic needle head, the electric energy meter is fixed on the meter position, the mounting table is provided with a first connector lug, the baffle bracket is provided with a through hole, an integrated circuit, a toggle switch, a second connector lug, a first terminal sub-sub base and a second terminal sub-sub base are arranged in the control main board, the testing device is connected with the control main board through the first connector lug and the second connector lug, and the testing device is convenient to install, simple to operate and high in testing efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a testing device for debugging daily timing errors of an electric energy meter, and belongs to the technical field of daily timing testing devices.
[ background of the invention ]
The daily timing error of the electric energy meter is the difference value between the standard time and the electric energy meter clock after running for one day. The difference value between the internal clock of the electric energy meter with a large daily timing error value and the standard time is larger and larger, and the accuracy of the metering data of the electric energy meter is influenced after the difference between the clock of the electric energy meter and the standard time is large, so that the daily timing error of the electric energy meter needs to be detected when the electric energy meter leaves a factory, the requirements of national power grids and southern power grids on the daily timing error of the electric energy meter are very strict, and the electric energy meter is qualified only if the error value is plus or minus 0.5 s/d.
The intelligent electric energy meter is subjected to daily timing error test experiments, including daily timing error influence experiments at normal temperature and under different environmental temperatures. Through the experiment, so that the deviation of important data calculation such as the electric charge caused by poor clock accuracy which possibly occurs in the intelligent electric energy meter can be found in time, inaccurate measurement caused by large daily timing error during the operation of the intelligent electric energy meter is avoided, and therefore the major economic loss of national power grids and electricity utilization residents is caused, and two modes exist in the current test process: the other method is to buy a large stepping high-low temperature box and match the box with a professional platform body for testing, and the investment cost of the method is too high.
[ summary of the invention ]
The invention aims to provide a testing device for debugging the daily timing error of an electric energy meter, which is convenient to install, simple to operate and high in testing efficiency.
The technical scheme adopted by the invention is as follows:
the utility model provides a testing arrangement for debugging electric energy meter day timing error, includes control mainboard, clock tester, host computer and testing arrangement, testing arrangement includes layer board support and baffle support, the baffle support is installed perpendicularly on the layer board support, be equipped with two mount tables on the baffle support, two mount tables are in same one side of baffle support, be equipped with a plurality of epitopes on the mount table, including plug thimble and wiring end post on the epitope, the plug thimble is used for connecting the 485 communication port and the day timing error output port of electric energy meter, plug thimble tip is equipped with the elasticity syringe needle, the electric energy meter passes through wiring end post is fixed on the epitope, be equipped with on the mount table and be used for first connector lug, be equipped with a plurality of through-holes that run through the baffle support on the baffle support, be equipped with integrated circuit in the control mainboard, Toggle switch, second connector lug, first wiring end primary and secondary seat and second wiring end primary and secondary seat, integrated circuit includes control circuit, day timing error output circuit, 485 communication circuit and power supply circuit, first wiring end primary and secondary seat is installed the surface of control mainboard, first primary and secondary wiring end primary and secondary seat is used for connecting the clock tester, second wiring end primary and secondary seat is used for connecting the host computer, the control mainboard upper surface is equipped with a plurality of toggle switch, toggle switch is used for controlling the output of electric energy meter day timing error, the second connector lug is installed the side of control mainboard, testing arrangement with the control mainboard passes through first connector lug and second connector lug are realized connecting.
The beneficial effects of the invention are as follows:
the invention comprises a control mainboard, a clock tester, an upper computer and a testing device, wherein the testing device comprises a supporting plate bracket and a baffle bracket, the baffle bracket is provided with a plurality of mounting tables for mounting electric energy meters, the mounting tables are provided with plug thimbles and wiring terminal posts, the electric energy meters are mounted on the mounting tables, the plug thimbles are connected with 485 communication ports and daily timing error output ports of the electric energy meters, and the side surface of the control mainboard is provided with a second connector lug. The connecting wire can be greatly reduced, so that the connecting mode of the invention is more convenient and faster, the whole body is cleaner and tidier, the management is convenient, the connecting error caused by more and messy connecting wires can be avoided, the time for checking the circuit can be saved, and the installation efficiency of the invention is improved.
In the test process, a worker can independently control the daily timing error output of the electric energy meter on each meter position by adjusting the toggle switch on the control mainboard.
In addition, a plurality of through holes are formed in the baffle bracket, the through holes penetrate through the baffle bracket, when the electric energy meter is installed on the installation table, one surface, contacting the baffle bracket, of the electric energy meter can be in contact with air in the box through the through holes, so that one surface, contacting the baffle bracket, of the electric energy meter can be in heat transfer with the air in the box in time, the temperature of the whole electric energy meter can be prevented from being uneven, the time-of-day error output is inaccurate, errors occur in the test or display process of the electric energy meter, and the test result is influenced; in addition, the elastic needle is arranged at the end part of the plug thimble, so that the contact effect can be increased, the elastic needle is easier to replace, and the later maintenance of workers is more convenient.
Preferably, the mounting table is provided with 4 epitopes, and each epitope comprises 4 plug thimbles and 4 wiring end posts.
Preferably, the mounting table is provided with 2 first connector lugs, and the first connector lugs are GX-4P aviation plugs.
Preferably, the side of the control main board is provided with 5 second connector terminals, and the second connector terminals are GX-5P aviation plugs.
Preferably, the diameters of the through holes are the same, and the through holes are uniformly distributed on the surface of the baffle plate bracket.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a testing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control motherboard according to an embodiment of the present invention.
Reference numerals: the device comprises a supporting plate support 1, a baffle support 2, a through hole 21, a mounting table 3, a plug thimble 31, a wiring terminal post 32, a first wiring head 33, a control main board 4, a toggle switch 41, a second wiring head 42, a first wiring terminal primary-secondary base 51 and a second wiring terminal primary-secondary base 52.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the present embodiment shows a testing apparatus for debugging daily timing errors of an electric energy meter, including a control main board 4, a clock tester, an upper computer and a testing apparatus, the testing apparatus is installed in a high-low temperature chamber, the control main board 4 mainly works outside the high-low temperature chamber and is operated by a worker, the testing apparatus includes a supporting board bracket 1 and a baffle bracket 2, the baffle bracket 2 is vertically installed on the supporting board bracket 1, two installation tables 3 for installing the electric energy meter are arranged on the baffle bracket 2, the two installation tables 3 are located at the same side of the baffle bracket 2, the installation tables 3 are provided with 4 epitopes, each epitope includes 4 plug thimbles 31 and 4 terminal posts 32, it can be understood that the number of the installation tables 3 in other embodiments may be greater than 2, can carry out corresponding adjustment according to high low temperature incasement space, make this embodiment can make full use of space in the high low temperature incasement, plug thimble 31 is used for connecting the 485 communication ports and the daily timing error output port of electric energy meter, plug thimble 31 tip is equipped with the elasticity syringe needle, the electric energy meter passes through terminal post 32 of working a telephone switchboard is fixed on the epitope, be equipped with 2 on the mount table 3 and be used for first connector lug 33, first connector lug 33 is GX-4P aviation plug, be equipped with a plurality of through-holes 21 that run through baffle support 2 on the baffle support 2, the diameter of a plurality of through-holes 21 is all the same, a plurality of through-holes 21 evenly distributed are in the surface of baffle support 2.
Be equipped with integrated circuit, toggle switch 41, second connector lug 42, first wiring end primary and secondary seat 51 and second wiring end primary and secondary seat 52 in the control mainboard 4, integrated circuit includes control circuit, day timing error output circuit, 485 communication circuit and power supply circuit, first wiring end primary and secondary seat 51 and second wiring end primary and secondary seat 52 are installed the surface of control mainboard 4, first wiring end primary and secondary seat 51 is used for connecting the clock tester, second wiring end primary and secondary seat 52 is used for connecting the host computer, control mainboard 4 upper surface is equipped with a plurality of toggle switch 41, a plurality of toggle switch 41 evenly distributed are in the surface of control mainboard 4, toggle switch 41 is used for controlling the output of electric energy meter day timing error, be equipped with 5 second connector lug 42 on the control mainboard 4, second connector lug 42 is installed the side of control mainboard 4, the second connector lug 42 is a GX-5P aviation plug, and the testing device is connected with the control main board 4 through the first connector lug 33 and the second connector lug 42.
This embodiment is before the test, will the clock tester is installed on the first wiring end primary and secondary seat 51 of control mainboard 4, second wiring end primary and secondary seat 52 with the host computer is connected, later through connecting first connector lug 33 realizes with second connector lug 42 testing arrangement with control mainboard 4's connection has accomplished the installation before the test promptly, and this embodiment passes through the integrated design mode of first connector lug 33 and second connector lug 42 can reduce the connection of connecting wire by a wide margin, makes the wiring mode of this embodiment convenient and fast more, and is whole cleaner and tidier, and convenient management also can avoid leading to the connection error because of the connecting wire is many and mixed and disorderly, can save the time of troubleshooting circuit to improve the installation effectiveness of this embodiment.
This embodiment is when the test, and the staff is through adjusting toggle switch 41 on the control mainboard 4, the electric energy meter day timing error output on each epitope can be controlled alone, and the easy operation in the debugging process of this embodiment is convenient, can improve staff's debugging speed, in addition, in this embodiment be equipped with a plurality of mount tables 3 on the baffle support 2, be equipped with a plurality of epitopes on the mount table 3, consequently this embodiment can test a plurality of electric energy meters simultaneously, can save the process of repeated wiring, saves staff's test time, and the efficiency of software testing of this embodiment is higher.
In addition, in this embodiment, a plurality of through holes 21 are formed in the baffle bracket 2, the through holes 21 penetrate through the baffle bracket 2, when the electric energy meter is mounted on the mounting table 3, one surface of the electric energy meter, which is in contact with the baffle bracket 2, can be in contact with air in the box through the through holes 21, so that one surface of the electric energy meter, which is in contact with the baffle bracket 2, can be in heat transfer with the air in the box in time, and therefore, the problem that the temperature of the whole electric energy meter is not uniform, so that the time-of-day error output is not accurate, and the electric energy meter has errors in the test or display process to affect the test result can be avoided, in this embodiment, the temperature of the whole electric energy meter is kept uniform through the through holes 21, and the test result of this embodiment is improved; furthermore, in this embodiment 31 tip of plug thimble is equipped with the elastic needle, can increase 31 of plug thimble with the contact effect of electric energy meter, through the elastic needle is also changed more easily, and is also more convenient to staff's later maintenance.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (5)
1. The utility model provides a testing arrangement for debugging electric energy meter day timing error which characterized in that: the electric energy meter comprises a control mainboard, a clock tester, an upper computer and a testing device, wherein the testing device comprises a supporting plate support and a baffle support, the baffle support is vertically installed on the supporting plate support, two installation platforms are arranged on the baffle support and are positioned at the same side of the baffle support, a plurality of epitopes are arranged on the installation platforms, each epitope comprises a plug thimble and a wiring end post, the plug thimble is used for connecting a 485 communication port and a daily timing error output port of the electric energy meter, an elastic needle is arranged at the end part of the plug thimble, the electric energy meter passes through the wiring end post and is fixed on the epitope, a first connector lug is arranged on the installation platform, a plurality of through holes penetrating through the baffle support are arranged on the baffle support, and an integrated circuit, a toggle switch, a second connector lug, a third connector lug and a fourth connector lug are arranged in the control mainboard, First wiring end primary and secondary seat and second wiring end primary and secondary seat, integrated circuit includes control circuit, day timing error output circuit, 485 communication circuits and power supply circuit, first wiring end primary and secondary seat and second wiring end primary and secondary seat are installed the surface of control mainboard, first wiring end primary and secondary seat is used for connecting the clock tester, second wiring end primary and secondary seat is used for connecting the host computer, control mainboard upper surface is equipped with a plurality of toggle switch, toggle switch is used for controlling the output of electric energy meter day timing error, the second connector lug is installed the side of control mainboard, testing arrangement with the control mainboard passes through first connector lug and second connector lug are realized connecting.
2. The test device for debugging the daily timing error of the electric energy meter according to claim 1, characterized in that: the mounting table is provided with 4 epitopes, and each epitope comprises 4 plug thimbles and 4 wiring end posts.
3. The test device for debugging the daily timing error of the electric energy meter according to claim 1, characterized in that: the installation platform is provided with 2 first connector lugs, and the first connector lugs are GX-4P aviation plugs.
4. The test device for debugging the daily timing error of the electric energy meter according to claim 1, characterized in that: the side of control mainboard is equipped with 5 second connector terminals, the second connector terminal is GX-5P aviation plug.
5. The test device for debugging the daily timing error of the electric energy meter according to claim 1, characterized in that: the diameters of the through holes are the same, and the through holes are uniformly distributed on the surface of the baffle plate support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013324.3A CN114545758B (en) | 2022-01-07 | 2022-01-07 | Testing device for debugging daily timing error of electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013324.3A CN114545758B (en) | 2022-01-07 | 2022-01-07 | Testing device for debugging daily timing error of electric energy meter |
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| CN114545758A true CN114545758A (en) | 2022-05-27 |
| CN114545758B CN114545758B (en) | 2024-06-11 |
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| CN202210013324.3A Active CN114545758B (en) | 2022-01-07 | 2022-01-07 | Testing device for debugging daily timing error of electric energy meter |
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| GB710488A (en) * | 1950-12-06 | 1954-06-16 | London Electricity Board | Improvements in methods of and means for calibrating electricity meters |
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| CN102353923A (en) * | 2011-06-17 | 2012-02-15 | 杭州炬华科技股份有限公司 | Multi-station parallel test bench for electric energy meter |
| JP2013044556A (en) * | 2011-08-22 | 2013-03-04 | Enegate:Kk | Watt-hour meter test device |
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| CN111609950A (en) * | 2020-06-22 | 2020-09-01 | 江阴长仪集团有限公司 | Device and method for checking temperature measuring function of wiring terminal of electric energy meter |
| CN212484093U (en) * | 2020-06-23 | 2021-02-05 | 天津海鸥表业集团有限公司 | Watch time precision detection device |
| CN113325685A (en) * | 2021-06-01 | 2021-08-31 | 安徽南瑞中天电力电子有限公司 | Automatic adjusting device for multi-meter parallel daily timing of intelligent electric energy meter |
| CN216901347U (en) * | 2022-01-07 | 2022-07-05 | 浙江八达电子仪表有限公司 | Testing device for fine adjustment of high-low temperature daily timing of electric energy meter |
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| GB710488A (en) * | 1950-12-06 | 1954-06-16 | London Electricity Board | Improvements in methods of and means for calibrating electricity meters |
| US3543149A (en) * | 1967-02-17 | 1970-11-24 | Zera Elektrische Prufgerate Cr | Testing arrangement for electricity meters while in a powerline circuit by application of a regulated load |
| CN102353923A (en) * | 2011-06-17 | 2012-02-15 | 杭州炬华科技股份有限公司 | Multi-station parallel test bench for electric energy meter |
| JP2013044556A (en) * | 2011-08-22 | 2013-03-04 | Enegate:Kk | Watt-hour meter test device |
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| CN114545758B (en) | 2024-06-11 |
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