CN110133570B - Electric energy meter field verification voltage switching device and application method thereof - Google Patents
Electric energy meter field verification voltage switching device and application method thereof Download PDFInfo
- Publication number
- CN110133570B CN110133570B CN201910515488.4A CN201910515488A CN110133570B CN 110133570 B CN110133570 B CN 110133570B CN 201910515488 A CN201910515488 A CN 201910515488A CN 110133570 B CN110133570 B CN 110133570B
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- insulating partition
- voltage
- contact terminal
- phase voltage
- electric energy
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012795 verification Methods 0.000 title abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 50
- 238000003466 welding Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 3
- 241000270722 Crocodylidae Species 0.000 abstract description 6
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
An electric energy meter field verification voltage switching device and a use method thereof relate to the technical field of measurement structural members, and the electric energy meter field verification voltage switching device has the structure that: the device mainly comprises a meter tail insulating partition board, two side longitudinal insulating partition boards, a plug connector insulating partition board, a spring, a fixed shaft, a fastening pressing piece, an upper voltage contact terminal base, a lower voltage contact terminal base, a screw rod, fastening screws, knurled nuts, four voltage lead wires, eight voltage contact terminal plugs and four voltage plug terminals. The invention has the beneficial effects that: the meter tail voltage adapter mainly adopts a method of combining an internal contact surface with an external plug hole, and utilizes an insulating material to cover, thereby avoiding the possibility of human electric shock, improving the stability of acquired voltage, having the advantages of simple and reasonable structure and lighter self weight, and greatly solving the problems of easy falling-off and virtual connection of crocodile clips.
Description
Technical Field
The invention relates to the technical field of measurement structural members, in particular to an electric energy meter field verification voltage switching device and a use method thereof.
Background
In the field of electric energy metering, the verification of an electric energy meter is an important work, and the existing meter correcting technology adopts crocodile clamps which are clamped on voltage screws at the tail of the meter to lead out voltage. However, this method has many problems, firstly, since the exposed part of the voltage screw at the tail of the meter is limited, the crocodile clip is hard to be firmly fixed when the voltage is clamped, so that the crocodile clip is easy to fall off and is in virtual connection, and further, the calibration misalignment and the potential safety hazard are caused.
Disclosure of Invention
The invention provides an electric energy meter on-site verification voltage switching device and a use method thereof, aiming at the problems, wherein the electric energy meter on-site verification voltage switching device comprises the following structure: the two ends of the meter tail insulating partition board (1) are respectively provided with mortises B (28), the mortises A (24) on the two side longitudinal insulating partition boards (2) are respectively connected with the mortises B (28) by mortise, the two side longitudinal insulating partition boards (2) are respectively provided with spring fixing grooves A (26) near the inner side, the lower ends of the two side longitudinal insulating partition boards (2) are provided with mortises A (25), the mortises A (25) on the two sides are connected with the mortises B (27) arranged at the two ends of the plug head insulating partition board (3) by mortise connection screws (23), the mortises B (28) on the meter tail insulating partition board (1) are respectively provided with square holes (22) near the inner side, the two square holes (22) are respectively provided with transverse through holes B (32), the two through holes B (32) penetrate through the meter tail insulating partition board (1), the two sides of the fastening piece (6) penetrate through the square holes (22), the fastening piece (6) are provided with the through holes A (29) and the spring fixing grooves B (31), the fixing shaft (5) penetrates through the through holes A (29) and the through holes B (32), the fixing shaft (5) and is fixed shaft (37) and is fixed at one end of the meter tail insulating partition board (4) by the screw nuts (37), the other end of the spring (4) is fixed in the spring fixing groove A (26).
An oblong hole (33) is arranged in the middle of two square holes (22) of the meter tail insulating partition plate (1), an upper voltage contact terminal base (11) and a lower voltage contact terminal base (12) are respectively arranged on the upper side and the lower side of the meter tail insulating partition plate, a concave screw hole (35) is arranged on the upper voltage contact terminal base (11), a screw rod (21) penetrates through the concave screw hole (35) to be in threaded connection with a convex screw hole (34) arranged on the lower voltage contact terminal base (12), one end of an A-phase voltage lead (13), a B-phase voltage lead (14), a C-phase voltage lead (15) and an N-phase voltage lead (16) respectively penetrate through a through hole C (36) arranged on the lower voltage contact terminal base (12), the meter tail insulating partition plate is connected with the bottoms of two A-phase voltage contact terminal plugs (10), two B-phase voltage contact terminal plugs (9), two N-phase voltage contact terminal plugs (7) and two C-phase voltage contact terminal plugs (8) through electric welding, one ends of the A-phase voltage lead (13), the B-phase voltage lead (14), the C-phase voltage lead (15) and the N-phase voltage lead (16) are respectively inserted into the insulating partition plate (17) and the other ends of the two A-phase voltage leads (16) are respectively inserted into the voltage terminal pins (17) The bottoms of the C-phase voltage plug-in terminal (19) and the N-phase voltage plug-in terminal (20) are connected through electric welding.
The meter tail insulating partition board (1), the longitudinal insulating partition board (2), the plug insulating partition board (3), the fastening pressing piece (6), the upper voltage contact terminal base (11) and the lower voltage contact terminal base (12) are made of wood or plastic.
The upper end of the fastening pressing piece (6) is provided with an antislip piece (30).
The fixed shaft (5) and the knurled nut (37) are made of plastic.
The diameter of the fixed shaft (5) is smaller than the diameters of the through hole A (29) and the through hole B (32).
The using method comprises the following steps: the spring clamping piece in the inner part is opened firstly;
and a second step of: then aligning the electric energy meter tail, and fixing the clamping piece on the electric energy meter tail;
And a third step of: the internal voltage contact can be tightly attached to the surface tail voltage screw.
The principle of the invention is as follows: the voltage contact is fastened on the meter tail voltage screw by the spring clamping piece, then the voltage is led out, the meter tail voltage is obtained by the plug connector, the mode that the voltage is clamped by the crocodile clamp in the past is changed, the safety is improved, and the accuracy in the inspection and detection work is improved.
The invention has the beneficial effects that: simple and reasonable structure and lighter weight. The problem that crocodile clips are easy to fall off and are connected in a virtual way is solved to a great extent. The meter tail voltage adapter mainly adopts a method of combining an internal contact surface with an external plug hole, and utilizes an insulating material to coat, thereby avoiding the possibility of human electric shock and improving the stability of acquired voltage.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a front view of the numeral 1 of FIG. 1;
FIG. 6 is a top view of the reference number 1 of FIG. 1;
FIG. 7 is a block diagram of the sequence number 2 of FIG. 4;
FIG. 8 is a block diagram of the sequence number 6 of FIG. 1;
FIG. 9 is a right side view of FIG. 8;
FIG. 10 is a connection diagram of reference numbers 5 and 37 of FIG. 1;
In the figure: 1. a surface tail insulating partition board; 2. a longitudinal insulating separator; 3. plug insulating partition board; 4. a spring; 5. a fixed shaft; 6. fastening a pressing sheet; 7. an N-phase voltage contact terminal plug; 8. a phase C voltage contact terminal plug; 9. phase B voltage contact terminal plug; 10. a phase a voltage contact terminal plug; 11. a voltage contact terminal upper base; 12. a voltage contact terminal upper base; 13. a phase A voltage lead; 14. a phase B voltage lead; 15. a phase C voltage lead; 16. an N-phase voltage lead; 17. a phase A voltage plug-in terminal; 18. a phase B voltage plug-in terminal; 19. a C-phase voltage plug-in terminal; 20. an N-phase voltage plug-in terminal; 21. a screw; 22. square holes; 23. fastening a screw; 24. tenon A; 25. mortise a; 26. a spring fixing groove A; 27. tenon B; 28. mortise B; 29. a through hole A; 30. a non-slip sheet; 31. a spring fixing groove B; 32. a through hole B; 33. a rectangular hole; 34. protruding screw holes; 35. concave screw holes; 36. a through hole C; 37. knurled nuts; 38. and (5) screw threads.
Detailed Description
Example 1
As shown in fig. 1 to 10, an electric energy meter on-site checking voltage switching device and a using method thereof are provided, wherein the structure is as follows: the two ends of the meter tail insulating partition board (1) are respectively provided with mortises B (28), the mortises A (24) on the two side longitudinal insulating partition boards (2) are respectively connected with the mortises B (28) by mortise, the two side longitudinal insulating partition boards (2) are respectively provided with spring fixing grooves A (26) near the inner side, the lower ends of the two side longitudinal insulating partition boards (2) are provided with mortises A (25), the mortises A (25) on the two sides are connected with the mortises B (27) arranged at the two ends of the plug head insulating partition board (3) by mortise connection screws (23), the mortises B (28) on the meter tail insulating partition board (1) are respectively provided with square holes (22) near the inner side, the two square holes (22) are respectively provided with transverse through holes B (32), the two through holes B (32) penetrate through the meter tail insulating partition board (1), the two sides of the fastening piece (6) penetrate through the square holes (22), the fastening piece (6) are provided with the through holes A (29) and the spring fixing grooves B (31), the fixing shaft (5) penetrates through the through holes A (29) and the through holes B (32), the fixing shaft (5) and is fixed shaft (37) and is fixed at one end of the meter tail insulating partition board (4) by the screw nuts (37), the other end of the spring (4) is fixed in the spring fixing groove A (26).
An oblong hole (33) is arranged in the middle of two square holes (22) of the meter tail insulating partition plate (1), an upper voltage contact terminal base (11) and a lower voltage contact terminal base (12) are respectively arranged on the upper side and the lower side of the meter tail insulating partition plate, a concave screw hole (35) is arranged on the upper voltage contact terminal base (11), a screw rod (21) penetrates through the concave screw hole (35) to be in threaded connection with a convex screw hole (34) arranged on the lower voltage contact terminal base (12), one end of an A-phase voltage lead (13), a B-phase voltage lead (14), a C-phase voltage lead (15) and an N-phase voltage lead (16) respectively penetrate through a through hole C (36) arranged on the lower voltage contact terminal base (12), the meter tail insulating partition plate is connected with the bottoms of two A-phase voltage contact terminal plugs (10), two B-phase voltage contact terminal plugs (9), two N-phase voltage contact terminal plugs (7) and two C-phase voltage contact terminal plugs (8) through electric welding, one ends of the A-phase voltage lead (13), the B-phase voltage lead (14), the C-phase voltage lead (15) and the N-phase voltage lead (16) are respectively inserted into the insulating partition plate (17) and the other ends of the two A-phase voltage leads (16) are respectively inserted into the voltage terminal pins (17) The bottoms of the C-phase voltage plug-in terminal (19) and the N-phase voltage plug-in terminal (20) are connected through electric welding.
The meter tail insulating partition board (1), the longitudinal insulating partition board (2), the plug insulating partition board (3), the fastening pressing piece (6), the upper voltage contact terminal base (11) and the lower voltage contact terminal base (12) are made of wood or plastic.
Example 2
The application method of the field verification voltage switching device for the electric energy meter comprises the following steps of,
The first step: the spring clamping piece in the inner part is opened firstly;
and a second step of: then aligning the electric energy meter tail, and fixing the clamping piece on the electric energy meter tail;
And a third step of: the internal voltage contact can be tightly attached to the surface tail voltage screw.
Claims (5)
1. An electric energy meter field check voltage switching device which is characterized in that: the two ends of the meter tail insulating partition board (1) are respectively provided with mortises B (28), the mortises A (24) on the two side longitudinal insulating partition boards (2) are respectively connected with the mortises B (28) by mortise, the two side longitudinal insulating partition boards (2) are respectively provided with spring fixing grooves A (26) near the inner side, the lower ends of the two side longitudinal insulating partition boards (2) are provided with mortises A (25), the mortises A (25) on the two sides are connected with the mortises B (27) arranged at the two ends of the plug head insulating partition board (3) by mortise connection screws (23), the mortises B (28) on the meter tail insulating partition board (1) are respectively provided with square holes (22) near the inner side, the two square holes (22) are respectively provided with transverse through holes B (32), the two through holes B (32) penetrate through the meter tail insulating partition board (1), the two sides of the fastening piece (6) penetrate through the square holes (22), the fastening piece (6) are provided with the through holes A (29) and the spring fixing grooves B (31), the fixing shaft (5) penetrates through the through holes A (29) and the through holes B (32), the fixing shaft (5) and is fixed shaft (37) and is fixed at one end of the meter tail insulating partition board (4) by the screw nuts (37), the other end of the spring (4) is fixed in the spring fixing groove A (26); an oblong hole (33) is arranged in the middle of two square holes (22) of the meter tail insulating partition plate (1), an upper voltage contact terminal base (11) and a lower voltage contact terminal base (12) are respectively arranged on the upper side and the lower side of the meter tail insulating partition plate, a concave screw hole (35) is arranged on the upper voltage contact terminal base (11), a screw rod (21) penetrates through the concave screw hole (35) to be in threaded connection with a convex screw hole (34) arranged on the lower voltage contact terminal base (12), one end of an A-phase voltage lead (13), a B-phase voltage lead (14), a C-phase voltage lead (15) and an N-phase voltage lead (16) respectively penetrate through a through hole C (36) arranged on the lower voltage contact terminal base (12), the meter tail insulating partition plate is connected with the bottoms of two A-phase voltage contact terminal plugs (10), two B-phase voltage contact terminal plugs (9), two N-phase voltage contact terminal plugs (7) and two C-phase voltage contact terminal plugs (8) through electric welding, one ends of the A-phase voltage lead (13), the B-phase voltage lead (14), the C-phase voltage lead (15) and the N-phase voltage lead (16) are respectively inserted into the insulating partition plate (17) and the other ends of the two A-phase voltage leads (16) are respectively inserted into the voltage terminal pins (17) The bottoms of the C-phase voltage plug-in terminal (19) and the N-phase voltage plug-in terminal (20) are connected through electric welding; the using method of the device comprises the following steps: the spring clamping piece in the inner part is opened firstly; and a second step of: then aligning the electric energy meter tail, and fixing the clamping piece on the electric energy meter tail; and a third step of: the internal voltage contact can be tightly attached to the surface tail voltage screw.
2. The electric energy meter field check voltage switching device according to claim 1, wherein: the meter tail insulating partition board (1), the longitudinal insulating partition board (2), the plug insulating partition board (3), the fastening pressing piece (6), the upper voltage contact terminal base (11) and the lower voltage contact terminal base (12) are made of wood or plastic.
3. The electric energy meter field check voltage switching device according to claim 1, wherein: the upper end of the fastening pressing piece (6) is provided with an antislip piece (30).
4. The electric energy meter field check voltage switching device according to claim 1, wherein: the fixed shaft (5) and the knurled nut (37) are made of plastic.
5. The electric energy meter field check voltage switching device according to claim 1, wherein: the diameter of the fixed shaft (5) is smaller than the diameters of the through hole A (29) and the through hole B (32).
Priority Applications (1)
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CN201910515488.4A CN110133570B (en) | 2019-06-14 | 2019-06-14 | Electric energy meter field verification voltage switching device and application method thereof |
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CN201910515488.4A CN110133570B (en) | 2019-06-14 | 2019-06-14 | Electric energy meter field verification voltage switching device and application method thereof |
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CN110133570A CN110133570A (en) | 2019-08-16 |
CN110133570B true CN110133570B (en) | 2024-04-26 |
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CN2768020Y (en) * | 2005-01-20 | 2006-03-29 | 河南科技大学 | Elastic voltage probe for electric energy meter on-line detection |
CN203572955U (en) * | 2013-06-21 | 2014-04-30 | 河南省电力公司济源供电公司 | Adapter plate used for verification of single-phase electric energy meter |
CN103983825A (en) * | 2014-05-19 | 2014-08-13 | 国家电网公司 | Meter frame wiring rod head used for electric energy meter testing |
CN204287469U (en) * | 2014-12-19 | 2015-04-22 | 威胜集团有限公司 | For the compression joint type transition meter connecting shelf that single-phase electric energy meter detects automatically |
CN108152786A (en) * | 2018-01-30 | 2018-06-12 | 国网河南省电力公司平顶山供电公司 | Electric energy meter field examines voltage sampling method and device |
CN108196220A (en) * | 2018-02-12 | 2018-06-22 | 国网浙江省电力有限公司电力科学研究院 | A kind of EMC detections measurement meter conversion plug assembly |
CN208384100U (en) * | 2018-06-11 | 2019-01-15 | 广西电网有限责任公司电力科学研究院 | It is a kind of for examining and determine the fast-wiring tooling of ansi standard circular electric energy meter |
CN210181207U (en) * | 2019-06-14 | 2020-03-24 | 国网青海省电力公司海东供电公司 | Electric energy meter field check voltage switching device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9385445B2 (en) * | 2012-09-13 | 2016-07-05 | State Grid Corporation Of China (Sgcc) | Composite intelligent terminal wiring device and plug device |
-
2019
- 2019-06-14 CN CN201910515488.4A patent/CN110133570B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2768020Y (en) * | 2005-01-20 | 2006-03-29 | 河南科技大学 | Elastic voltage probe for electric energy meter on-line detection |
CN203572955U (en) * | 2013-06-21 | 2014-04-30 | 河南省电力公司济源供电公司 | Adapter plate used for verification of single-phase electric energy meter |
CN103983825A (en) * | 2014-05-19 | 2014-08-13 | 国家电网公司 | Meter frame wiring rod head used for electric energy meter testing |
CN204287469U (en) * | 2014-12-19 | 2015-04-22 | 威胜集团有限公司 | For the compression joint type transition meter connecting shelf that single-phase electric energy meter detects automatically |
CN108152786A (en) * | 2018-01-30 | 2018-06-12 | 国网河南省电力公司平顶山供电公司 | Electric energy meter field examines voltage sampling method and device |
CN108196220A (en) * | 2018-02-12 | 2018-06-22 | 国网浙江省电力有限公司电力科学研究院 | A kind of EMC detections measurement meter conversion plug assembly |
CN208384100U (en) * | 2018-06-11 | 2019-01-15 | 广西电网有限责任公司电力科学研究院 | It is a kind of for examining and determine the fast-wiring tooling of ansi standard circular electric energy meter |
CN210181207U (en) * | 2019-06-14 | 2020-03-24 | 国网青海省电力公司海东供电公司 | Electric energy meter field check voltage switching device |
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