CN110346747A - A kind of single-phase electric energy meter on-site calibration equipment - Google Patents
A kind of single-phase electric energy meter on-site calibration equipment Download PDFInfo
- Publication number
- CN110346747A CN110346747A CN201910720085.3A CN201910720085A CN110346747A CN 110346747 A CN110346747 A CN 110346747A CN 201910720085 A CN201910720085 A CN 201910720085A CN 110346747 A CN110346747 A CN 110346747A
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- electric energy
- energy meter
- frame
- slot
- locking
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- 238000009432 framing Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 15
- 239000003381 stabilizer Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
-
- 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
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention proposes a kind of single-phase electric energy meter on-site calibration equipments, including electric energy meter checking device, with the clamping positioning mechanism for being connected and fixed with electric energy meter, the clamping positioning mechanism includes movable support frame, side framing and locked component, the u-shaped structure of movable support frame, the two sides of the movable support frame are symmetrically arranged with telescope support, the telescope support is movably installed in locked component, buckle is installed at the top of the telescope support, the locking ladder slot for preventing buckle from moving down is equipped in the locked component, the locked component is fixed on the outer wall of side framing, the card frame to bend inwards is extended at the top of the side framing, the two sides of the electric energy meter checking device are symmetrically arranged with hangers, slot compatible with card frame is opened up in the hangers.Tester can be connected to by the single-phase electric energy meter of school, when field-checking is on duty without operator, operates more easy.
Description
[technical field]
The present invention relates to the technical field of measuring instrument, especially a kind of single-phase electric energy meter on-site calibration equipment.
[background technique]
In electric energy meter international recommendation and vertification regulation (and international and domestic standard), it is specified that the calibrating of electric energy meter in laboratory
Under the conditions of carry out.But how show on earth under the conditions of examining and determine the electric energy meter come out so at the scene is a problem.Due to electricity
Can table work must at the scene under the conditions of carry out, display reading is again directly related to charging, therefore user pays much attention to electric energy
Show field reading whether correct problem.Field-checking is to carry electric energy meter on-site calibrator, is accessed at the scene by school electricity
Can in the power grid where table, compare by school electric energy meter and tester at the same time in electric energy reading, to obtain by school
The error of electric energy meter.But the shape of existing electric energy meter on-site calibrator is independent design, tester cannot be mounted on electric energy meter
In the space of case, therefore measuring voltage, electric current and when signal and movable leadframe is needed to connect, when verification, needs operator on duty,
Checking time is limited simultaneously, makes it difficult to the electric energy meter error under verification to a variety of operating conditions.Therefore a kind of single-phase electricity is proposed
It can table on-site calibration device.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of single-phase electric energy meter on-site calibration equipment is proposed,
Tester can be connected to by the single-phase electric energy meter of school, when field-checking is on duty without operator, operates more easy.
To achieve the above object, the invention proposes a kind of single-phase electric energy meter on-site calibration equipments, including electrical energy meter calibration
Device and clamping positioning mechanism for being connected and fixed with electric energy meter, the clamping positioning mechanism includes movable support frame, layback
Frame and locked component, the u-shaped structure of movable support frame, the two sides of the movable support frame are symmetrically arranged with telescope support,
The telescope support is movably installed in locked component, is equipped with buckle at the top of the telescope support, in the locked component
Equipped with the locking ladder slot for preventing buckle from moving down, the locked component is fixed on the outer wall of side framing, the side framing
Top is extended with the card frame to bend inwards, and the two sides of the electric energy meter checking device are symmetrically arranged with hangers, open up in the hangers
Slot compatible with card frame.
Preferably, the locked component includes stop screw, guide and limit frame, locking installing frame, solves lock card, it is described to lead
The first sliding chamber is equipped with to the inside of limitting casing, and the inside of the telescope support offers bar shaped sliding slot, and the bar shaped sliding slot is along the
The length direction setting of one sliding chamber, the stop screw are mounted on guide and limit frame through bar shaped sliding slot, the guide and limit
It is offered at the top of frame for buckling the first through slot being pierced by.
Preferably, the top of the guide and limit frame is equipped with locking installing frame, the locking installing frame and guide and limit
There is the locking ladder slot communicated with the first through slot, it is logical that the sidewall symmetry of the locking installing frame is equipped with second between the top of frame
Slot, second through slot are symmetrically disposed on the two sides of locking ladder slot, the both ends of the solution lock card be extended with bend downward it is outer
The end of convex stabilizer blade, the outer convex stabilizer blade is extend into the second through slot, and the upper surface of the locking installing frame is also set
There is mounting groove compatible with solution lock card.
Preferably, the buckle is in reverse U shape structure, two sides are symmetrically arranged with stabilizer blade, the top of the stabilizer blade be equipped with to
The locking fixture block of outer protrusion, the lower end surface of the locking fixture block are equipped with ladder anticreep face, and the top of the locking fixture block is equipped with arc
Shape approaching face.
Preferably, the movable support frame further includes elastic buffer plate and crossbeam, installation cavity is offered on the crossbeam,
The elastic buffer plate is movably arranged in installation cavity by several resilient sleeve brackets.
Preferably, the side of the electric energy meter checking device has extended downwardly detection main body, the side of the electric energy meter
With being equipped with limit divider with the side of the compatible recessed portion of detection main body, the detection main body, the limit divider with it is recessed
The side of concave portion leans cooperation, and the both ends of the limit divider are extended with bending part, and the end of the bending part, which is equipped with, to be imported
Inclined-plane, the electric energy meter, electric energy meter checking device upper surface be respectively equipped with display input screen, the electric energy meter checking device is remote
The display input screen of electric energy meter is not blocked in one end from detection main body.
Beneficial effects of the present invention: for the present invention by the cooperation of movable support frame, side framing and locked component etc., being convenient for will
Electric energy meter checking device is connected and fixed with single-phase electric energy meter to be detected, and installation process is simple, facilitates operation, wherein side framing
It is clamped with the hangers of calibration equipment, is formed between movable support frame and be coupled the frame that can be stretched with electric energy meter, installed
Afterwards, movable support frame is pushed up into contraction, until the cooperation of buckle and locked component, can be realized Fast Installation, work as detection
When terminating to need to dismantle, the two sides of buckle can be driven to realize unlock to contract by solving lock card, then will buckled from locking
Pulled out in installing frame, movable support frame can stretch downwards, can by electric energy meter checking device and single-phase electric energy meter to be detected into
Row is split.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of single-phase electric energy meter on-site calibration equipment of the present invention；
Fig. 2 is a kind of top view of the electric energy meter checking device of single-phase electric energy meter on-site calibration equipment of the present invention；
Fig. 3 is a kind of schematic diagram of the clamping positioning mechanism of single-phase electric energy meter on-site calibration equipment of the present invention；
Fig. 4 is a kind of schematic diagram of internal structure of the locked component of single-phase electric energy meter on-site calibration equipment of the present invention；
Fig. 5 is a kind of structural schematic diagram of the buckle of single-phase electric energy meter on-site calibration equipment of the present invention；
Fig. 6 is a kind of right side view of the clamping positioning mechanism of single-phase electric energy meter on-site calibration equipment of the present invention；
Fig. 7 is the enlarged diagram at a kind of A of single-phase electric energy meter on-site calibration equipment of the present invention；
Fig. 8 is a kind of schematic top plan view of the limit divider of single-phase electric energy meter on-site calibration equipment of the present invention.
[specific embodiment]
Refering to fig. 1 to a kind of single-phase electric energy meter on-site calibration equipment of Fig. 8 present invention, including electric energy meter checking device 2 and use
In the clamping positioning mechanism 3 being connected and fixed with electric energy meter 1, the clamping positioning mechanism 3 includes movable support frame 4,5 and of side framing
Locked component 6, the u-shaped structure of the movable support frame 4, the two sides of the movable support frame 4 are symmetrically arranged with telescope support 41,
The telescope support 41 is movably installed in locked component 6, and the top of the telescope support 41 is equipped with buckle 42, the locking
The locking ladder slot 620 for preventing buckle 42 from moving down is equipped in component 6, the locked component 6 is fixed on the outer of side framing 5
Wall, the top of the side framing 5 are extended with the card frame 51 to bend inwards, and the two sides of the electric energy meter checking device 2 are symmetrically arranged with
Hangers 21 opens up slot 210 compatible with card frame 51 in the hangers 21.The locked component 6 includes stop screw 60, leads
To limitting casing 61, locking installing frame 62, solution lock card 63, the inside of the guide and limit frame 61 is equipped with the first sliding chamber 610, described to stretch
The inside of contracting bracket 41 offers bar shaped sliding slot 411, length direction setting of the bar shaped sliding slot 411 along the first sliding chamber 610, institute
It states stop screw 60 to be mounted on guide and limit frame 61 through bar shaped sliding slot 411, the top of the guide and limit frame 61 offers
The first through slot 611 being pierced by for buckle 42.The top of the guide and limit frame 61 is equipped with locking installing frame 62, the locking installation
There is the locking ladder slot 620 communicated with the first through slot 611, the locking installation between frame 62 and the top of guide and limit frame 61
The sidewall symmetry of frame 62 is equipped with the second through slot 621, and second through slot 621 is symmetrically disposed on the two sides of locking ladder slot 620, institute
The both ends for stating solution lock card 63 are extended with the outer convex stabilizer blade 631 bent downward, and the end of the outer convex stabilizer blade 631 is protruded into
Into the second through slot 621, the upper surface of the locking installing frame 62 is additionally provided with mounting groove 622 compatible with solution lock card 63.Institute
Buckle 42 is stated in reverse U shape structure, two sides are symmetrically arranged with stabilizer blade 421, and the top of the stabilizer blade 421 is equipped with the locking outwardly protruded
Fixture block 422, the lower end surface of the locking fixture block 422 are equipped with ladder anticreep face 423, and the top of the locking fixture block 422 is equipped with arc
Shape approaching face 424.The movable support frame 4 further includes elastic buffer plate 43 and crossbeam 44, offers installation on the crossbeam 44
Chamber 400, the elastic buffer plate 43 are movably arranged in installation cavity 400 by several resilient sleeve brackets 431.
Further, the side of the electric energy meter checking device 2 has extended downwardly detection main body 22, the electric energy meter 1
Side has recessed portion compatible with detection main body 22, and the side of the detection main body 22 is equipped with limit divider 20, the limit
The side of position divider 20 and recessed portion leans cooperation, and the both ends for limiting divider 20 are extended with bending part 201, the bending
The end in portion 201 be equipped with introduction bevel 202, the electric energy meter 1, electric energy meter checking device 2 upper surface be respectively equipped with display it is defeated
Enter screen, the electric energy meter checking device 2 does not block the display input screen of electric energy meter 1 far from one end of detection main body 22.The inspection
The lower section for surveying main body 22 is equipped with voltage elastic probe group 23 and signal elasticity probe groups 24, and the voltage elastic probe group includes
The phases line voltage elastic probe that contacts with single-phase electric energy meter phase terminal terminal is contacted with single-phase electric energy meter zero curve ramp
Neutral voltage elastic probe, the signal elasticity probe groups include to contact with the active pulse output signals terminal of single-phase electric energy meter
Active pulse input signal elastic probe, the 485 signal elastic probes that are contacted with 485 signal terminal of single-phase electric energy meter, electric energy
Table calibration equipment is equipped with the current signal input port with input single-phase electric energy meter current signal.
The course of work of the present invention:
A kind of single-phase electric energy meter on-site calibration equipment of the present invention, during use, first by side framing and calibration equipment
Hangers clamping, between movable support frame formed with electric energy meter be coupled the frame that can be stretched, then by electric energy meter school
Experiment device is placed into the top of electric energy meter, make limit divider and electric energy meter side mutually lean on, at this moment voltage spring probe assemblies with
Movable support frame is pushed up contraction after realizing preliminary installation by corresponding terminal contact on electric energy meter, until buckle and lock
The cooperation for determining component, can be realized Fast Installation, can start the detection operation to electric energy meter；When detection terminates to need to dismantle
When, the two sides of buckle can be driven to realize unlock to contract by solving lock card, the two sides for solving lock card are pressed inward against into contraction, are driven
Then buckle is pulled out from locking installing frame to contract and is detached from locking ladder slot, at this moment movable support frame by dynamic buckle
It can stretch downwards, open frame, electric energy meter checking device and single-phase electric energy meter to be detected can be split, wherein is living
Elastic buffer plate is set on dynamic support frame, the pressure between electric energy meter checking device and electric energy meter can be reduced, avoided to the two
It damages.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of single-phase electric energy meter on-site calibration equipment, it is characterised in that: including electric energy meter checking device (2) and be used for and electricity
The clamping positioning mechanism (3) that energy table (1) is connected and fixed, the clamping positioning mechanism (3) includes movable support frame (4), side framing
(5) it is symmetrically arranged with locked component (6), the two sides of the u-shaped structure of the movable support frame (4), the movable support frame (4)
Telescope support (41), the telescope support (41) are movably installed in locked component (6), the top peace of the telescope support (41)
Equipped with buckle (42), the locking ladder slot (620) for preventing buckle (42) from moving down is equipped in the locked component (6), it is described
Locked component (6) is fixed on the outer wall of side framing (5), and the card frame (51) to bend inwards is extended at the top of the side framing (5),
The two sides of the electric energy meter checking device (2) are symmetrically arranged with hangers (21), are opened up and card frame (51) Xiang Shi in the hangers (21)
The slot (210) matched.
2. a kind of single-phase electric energy meter on-site calibration equipment as described in claim 1, it is characterised in that: the locked component (6)
Including stop screw (60), guide and limit frame (61), locking installing frame (62), solution lock card (63), the guide and limit frame (61)
Inside be equipped with first sliding chamber (610), the inside of the telescope support (41) offers bar shaped sliding slot (411), and the bar shaped is sliding
Length direction of the slot (411) along first sliding chamber (610) is arranged, and the stop screw (60) is mounted on through bar shaped sliding slot (411)
On guide and limit frame (61), the first through slot (611) being pierced by for buckle (42) is offered at the top of the guide and limit frame (61).
3. a kind of single-phase electric energy meter on-site calibration equipment as claimed in claim 2, it is characterised in that: the guide and limit frame
(61) top is equipped with locking installing frame (62), has between locking installing frame (62) and the top of guide and limit frame (61)
The sidewall symmetry of the locking ladder slot (620) communicated with the first through slot (611), locking installing frame (62) is equipped with the second through slot
(621), second through slot (621) is symmetrically disposed on the two sides of locking ladder slot (620), and the both ends of solution lock card (63) are prolonged
Stretching has the outer convex stabilizer blade (631) bent downward, and the end of the outer convex stabilizer blade (631) extend into the second through slot
(621) in, the upper surface of locking installing frame (62) is additionally provided with the compatible mounting groove (622) with solution lock card (63).
4. a kind of single-phase electric energy meter on-site calibration equipment as claimed in claim 2, it is characterised in that: the buckle (42) is in
U-shaped structure, two sides are symmetrically arranged with stabilizer blade (421), and the top of the stabilizer blade (421) is equipped with the locking fixture block outwardly protruded
(422), the lower end surface of locking fixture block (422) is equipped with ladder anticreep face (423), and the top of locking fixture block (422) is set
There are arc approaching face (424).
5. a kind of single-phase electric energy meter on-site calibration equipment as described in claim 1, it is characterised in that: the movable support frame
(4) further include elastic buffer plate (43) and crossbeam (44), offered installation cavity (400) on the crossbeam (44), the elasticity is slow
Punching (43) is movably arranged in installation cavity (400) by several resilient sleeve brackets (431).
6. a kind of single-phase electric energy meter on-site calibration equipment as described in claim 1, it is characterised in that: the electrical energy meter calibration dress
The side for setting (2) has extended downwardly detection main body (22), and the side of the electric energy meter (1) has to be adapted with detection main body (22)
Recessed portion, it is described detection main body (22) side be equipped with limit divider (20), it is described limit divider (20) and recessed portion one
Side leans cooperation, and the both ends of limit divider (20) are extended with bending part (201), and the end of the bending part (201) is set
Have introduction bevel (202), the electric energy meter (1), electric energy meter checking device (2) upper surface be respectively equipped with display input screen, institute
State the display input screen that electric energy meter checking device (2) do not block electric energy meter (1) far from one end of detection main body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720085.3A CN110346747B (en) | 2019-08-06 | 2019-08-06 | Single-phase electric energy meter on-site calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720085.3A CN110346747B (en) | 2019-08-06 | 2019-08-06 | Single-phase electric energy meter on-site calibration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110346747A true CN110346747A (en) | 2019-10-18 |
| CN110346747B CN110346747B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910720085.3A Active CN110346747B (en) | 2019-08-06 | 2019-08-06 | Single-phase electric energy meter on-site calibration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110346747B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147565A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Fool type electric energy meter on-site check meter |
| CN114384293A (en) * | 2022-01-17 | 2022-04-22 | 中南仪表有限公司 | DC electronic multi-rate electric energy meter |
| CN115494444A (en) * | 2021-06-18 | 2022-12-20 | 太原市优特奥科电子科技有限公司 | Electric energy meter calibration device |
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| CN205562787U (en) * | 2016-03-10 | 2016-09-07 | 嘉兴市瑞科仪表科技有限公司 | Full -automatic three -phase watt -hour meter calibrating |
| CN106019208A (en) * | 2016-07-20 | 2016-10-12 | 国网上海市电力公司 | Three-phase high-efficient great-error electric energy detecting and calculating apparatus |
| CN107219495A (en) * | 2017-06-07 | 2017-09-29 | 国家电网公司 | For electric energy meter field wiring push type buckle electric wire connecting junction |
| CN206649151U (en) * | 2017-03-08 | 2017-11-17 | 深圳市四三一一检测有限公司 | A kind of device of quick correcting phase error of energy meter |
| CN109683120A (en) * | 2018-12-25 | 2019-04-26 | 江苏盛德电子仪表有限公司 | A kind of single-phase cost-control intelligent table and its method of calibration with remote verification module |
| CN210487960U (en) * | 2019-08-06 | 2020-05-08 | 海盐新跃电器有限公司 | On-spot calibration equipment of single-phase electric energy meter |
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2019
- 2019-08-06 CN CN201910720085.3A patent/CN110346747B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205562787U (en) * | 2016-03-10 | 2016-09-07 | 嘉兴市瑞科仪表科技有限公司 | Full -automatic three -phase watt -hour meter calibrating |
| CN106019208A (en) * | 2016-07-20 | 2016-10-12 | 国网上海市电力公司 | Three-phase high-efficient great-error electric energy detecting and calculating apparatus |
| CN206649151U (en) * | 2017-03-08 | 2017-11-17 | 深圳市四三一一检测有限公司 | A kind of device of quick correcting phase error of energy meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147565A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Fool type electric energy meter on-site check meter |
| CN115494444A (en) * | 2021-06-18 | 2022-12-20 | 太原市优特奥科电子科技有限公司 | Electric energy meter calibration device |
| CN114384293A (en) * | 2022-01-17 | 2022-04-22 | 中南仪表有限公司 | DC electronic multi-rate electric energy meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110346747B (en) | 2024-05-24 |
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