CN114545758B - 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
- Publication number
- CN114545758B CN114545758B CN202210013324.3A CN202210013324A CN114545758B CN 114545758 B CN114545758 B CN 114545758B CN 202210013324 A CN202210013324 A CN 202210013324A CN 114545758 B CN114545758 B CN 114545758B
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- electric energy
- energy meter
- wiring terminal
- main board
- terminal base
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000004891 communication Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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 a daily timing error of an electric energy meter, which comprises a control main board, a clock tester, an upper computer and a testing device, wherein the testing device comprises a supporting board support and a baffle support, a plurality of installation tables are arranged on the baffle support, a plurality of epitopes are arranged on the installation tables, plug ejector pins and wiring terminal posts are arranged on the epitopes, elastic pinheads are arranged at the ends of the plug ejector pins, the electric energy meter is fixed on the epitopes, a first wiring head is arranged on the installation tables, through holes are formed in the baffle support, an integrated circuit, a toggle switch, a second wiring head, a first wiring terminal base and a second wiring terminal base are arranged in the control main board, and the testing device is connected with the control main board through the first wiring head and the second wiring head.
Description
Technical Field
The invention relates to a testing device for debugging a daily timing error of an electric energy meter, and belongs to the technical field of daily timing testing devices.
Background
The time of day error of the electric energy meter is the difference value between the clock of the electric energy meter and the standard time after one day of operation. The internal clock of the electric energy meter with large daily timing error value is larger and larger than the standard time difference value, and the accuracy of the metering data of the electric energy meter can be affected after the electric energy meter clock is large from the standard time difference value, 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 the national power grid and the southern power grid on the daily timing error of the electric energy meter are very strict, and only the electric energy meter with the error value of plus or minus 0.5s/d is qualified.
And carrying out a daily timing error test experiment on the intelligent electric energy meter, wherein the experiment comprises an influence experiment on the daily timing error at normal temperature and at different environment temperatures. Through the experiment, the deviation of important data calculation such as electricity charge and the like, which possibly occur to the intelligent electric energy meter and are caused by poor clock accuracy, is found in time, the inaccuracy of metering caused by large daily timing error during the operation of the intelligent electric energy meter is avoided, so that the economic significant loss of a national power grid and an electricity utilization resident is caused, and the conventional testing process has two modes: the method is characterized in that the method is a full-reliance wiring mode, more wires are needed to be connected, the operation method is complex, the test efficiency is low, and the method is characterized in that a large-scale stepping type high-low temperature box is purchased and matched with a professional bench for testing, so that the input cost is too high.
Disclosure of Invention
The invention aims to solve the technical problem of providing 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 problems are solved, and the invention adopts the following technical scheme:
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 one, testing arrangement one 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 terminal post on the epitope, the plug thimble is used for connecting 485 communication port and 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 the terminal 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, toggle switch, second connector lug, first connector lug and second connector lug mother seat in the control mainboard, integrated circuit includes control circuit, day timing error output circuit and power supply circuit, first connector lug and second connector lug are used for connecting with the control terminal, first connector lug and second connector lug are used for the control terminal, the clock is in the control terminal is in the control mother board is in the connection with the second connector lug, the control terminal is in the host computer is in the control terminal board.
The beneficial effects of the invention are as follows:
The invention comprises a control main board, a clock tester, an upper computer and a testing device I, wherein the testing device I comprises a supporting plate bracket and a baffle bracket, a plurality of mounting tables for mounting an electric energy meter are arranged on the baffle bracket, plug ejector pins and wiring terminal posts are arranged on the mounting tables, the electric energy meter is mounted on the mounting tables, the plug ejector pins are connected with 485 communication ports and a timing error output port of the electric energy meter, and a second wiring head is arranged on the side surface of the control main board.
In addition, the baffle support is provided with a plurality of mounting tables, and the mounting tables are provided with a plurality of epitopes, so that the invention can test a plurality of electric energy meters at the same time, can save the repeated wiring process, save the testing time of the staff and has higher testing efficiency.
In addition, the baffle support is provided with the through holes, the through holes penetrate through the baffle support, when the electric energy meter is installed on the installation table, one surface of the electric energy meter, which contacts with the baffle support, can be contacted with air in the box through the through holes, so that one surface of the electric energy meter, which contacts with the baffle support, can timely perform heat transfer with the air in the box, the problem that the whole temperature of the electric energy meter is uneven, so that inaccurate output of a timing error is caused, and the electric energy meter is wrong in the testing or displaying process to influence a testing result is solved; furthermore, the elastic needle is arranged at the end part of the plug thimble, so that the contact effect can be improved, the elastic needle is easier to replace, and the post maintenance of staff is more convenient.
Preferably, 4 epitopes are arranged on the mounting table, and each epitope comprises 4 plug ejector pins and 4 terminal posts.
Preferably, 2 first connector lugs are arranged on the mounting table, and the first connector lugs are GX-4P aviation plugs.
Preferably, 5 second connector lugs are arranged on the side edge of the control main board, and the second connector lugs 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 bracket.
Other features and advantages of the present invention will be disclosed in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a testing device according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a control motherboard in an embodiment of the present invention.
Reference numerals: the device comprises a supporting plate bracket 1, a baffle bracket 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 female seat 51 and a second wiring terminal female seat 52.
Detailed Description
The technical solutions of the embodiments of the present invention will be 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 examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 and 2, this embodiment shows a testing arrangement for debugging electric energy meter day time error, including control mainboard 4, clock tester, host computer and testing arrangement one, testing arrangement one installs in the high low temperature box, control mainboard 4 mainly work in outside the high low temperature box, by the staff operation, testing arrangement one includes layer board support 1 and baffle support 2, baffle support 2 installs perpendicularly on layer board support 1, be equipped with two mount tables 3 that are used for installing the electric energy meter on the baffle support 2, two mount tables 3 are located baffle support 2's same side, be equipped with 4 epitope on the mount table 3, all include 4 plug thimble 31 and 4 terminal post 32 on every epitope, can understand in other embodiments the quantity of mount table 3 can be greater than 2, can carry out corresponding adjustment according to the high low temperature box inner space, make full use of this embodiment the space in the high low temperature box, the electric energy meter is equipped with in the connection terminal pin 31 with the plug terminal pin 21 is equipped with the plug 21 is equipped with more than one and is equipped with on the plug terminal pin 21, the plug 21 is equipped with the plug 21, and the plug 21 is equipped with the plug 21 on the end plug 21 is equipped with the same in the diameter plug 21.
The integrated circuit comprises a control circuit, a day timing error output circuit, a 485 communication circuit and a power supply circuit, wherein the integrated circuit, a toggle switch 41, a second wiring terminal 42, a first wiring terminal base 51 and a second wiring terminal base 52 are arranged in the control main board 4, the first wiring terminal base 51 and the second wiring terminal base 52 are arranged on the surface of the control main board 4, the first wiring terminal base 51 is used for being connected with a clock tester, the second wiring terminal base 52 is used for being connected with an upper computer, a plurality of toggle switches 41 are arranged on the upper surface of the control main board 4, the toggle switches 41 are uniformly distributed on the surface of the control main board 4, the toggle switches 41 are used for controlling the output of the day timing error of an electric energy meter, 5 second wiring terminals 42 are arranged on the control main board 4, the second wiring terminals 42 are arranged on the side surface of the control main board 4, the second wiring terminals 42 are GX-5P aviation plugs, and the first testing device and the control main board 4 are connected with the second wiring terminals 33.
Before testing, the clock tester is firstly installed on the first wiring terminal base 51 of the control main board 4, the second wiring terminal base 52 is connected with the upper computer, and then the first wiring connector 33 and the second wiring connector 42 are connected to realize the connection of the first testing device and the control main board 4, namely the installation before testing is completed.
In addition, in the embodiment, the baffle support 2 is provided with a plurality of mounting tables 3, and the mounting tables 3 are provided with a plurality of epitopes, so that the embodiment can test a plurality of electric energy meters simultaneously, the repeated wiring process can be omitted, the testing time of the staff is saved, and the testing efficiency of the embodiment is higher.
In addition, in this embodiment, the baffle support 2 is provided with a plurality of through holes 21, the through holes 21 penetrate through the baffle support 2, when the electric energy meter is mounted on the mounting table 3, one surface of the electric energy meter, which contacts the baffle support 2, can contact with air in the box through the through holes 21, so that one surface of the electric energy meter, which contacts the baffle support 2, can timely perform heat transfer with the air in the box, and uneven temperature of the whole electric energy meter can be avoided, thereby inaccurate output of a timing error is caused, and the electric energy meter is caused to have errors in a test or display process to influence a test result; furthermore, in this embodiment, the end of the plug thimble 31 is provided with an elastic needle, so that the contact effect between the plug thimble 31 and the electric energy meter can be increased, and the elastic needle is easier to replace, so that the post maintenance of staff is more convenient.
While the invention has been described in terms of embodiments, it will be appreciated by those skilled in the art that the invention is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.
Claims (5)
1. A testing arrangement for debugging electric energy meter timing error, its characterized in that: comprises a control main board, a clock tester, an upper computer and a first testing device, wherein the first testing device comprises a supporting plate bracket and a baffle bracket, the baffle bracket is vertically arranged on the supporting plate bracket, two mounting tables are arranged on the baffle bracket, the two mounting tables are positioned on the same side of the baffle bracket, a plurality of epitopes are arranged on the mounting tables, the epitopes comprise plug ejector pins and wiring end posts, the plug ejector pins are used for connecting 485 communication ports and a day time error output port of the electric energy meter, the ends of the plug ejector pins are provided with elastic needles, the electric energy meter is fixed on the epitopes through the wiring end posts, a first wiring head is arranged on the mounting tables, a plurality of through holes penetrating through the baffle bracket are arranged on the baffle bracket, one surface of the electric energy meter, which contacts the baffle bracket, can be in air contact with a high-low temperature box through the through holes, the utility model discloses a solar energy meter, including a control main board, a first wiring terminal base, a second wiring terminal base, an integrated circuit, a first wiring terminal base and a second wiring terminal base, wherein the integrated circuit comprises a control circuit, a day time error output circuit, a 485 communication circuit and a power supply circuit, the first wiring terminal base and the second wiring terminal base are arranged on the surface of the control main board, the first wiring terminal base is used for connecting the clock tester, the second wiring terminal base is used for connecting an upper computer, a plurality of toggle switches are arranged on the upper surface of the control main board and used for controlling the output of the day time error of the electric energy meter, the second wiring terminal base is arranged on the side surface of the control main board, and the first testing device is connected with the control main board through the first connector lug and the second connector lug.
2. The test device for debugging a timing error of a power meter of claim 1, wherein: the mounting table is provided with 4 epitopes, and each epitope comprises 4 plug ejector pins and 4 wiring terminal posts.
3. The test device for debugging a timing error of a power meter of claim 1, wherein: and 2 first connector lugs are arranged on the mounting table, and the first connector lugs are GX-4P aviation plugs.
4. The test device for debugging a timing error of a power meter of claim 1, wherein: and 5 second connector lugs are arranged on the side edge of the control main board, and the second connector lugs are GX-5P aviation plugs.
5. The test device for debugging a timing error of a power meter of claim 1, wherein: the diameters of the through holes are the same, and the through holes are uniformly distributed on the surface of the baffle 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114545758A CN114545758A (en) | 2022-05-27 |
| CN114545758B true CN114545758B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| 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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2022
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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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|---|---|
| CN114545758A (en) | 2022-05-27 |
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