CN113189535A - Electric energy meter calibrating installation with electric shock prevention function - Google Patents
Electric energy meter calibrating installation with electric shock prevention function Download PDFInfo
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- CN113189535A CN113189535A CN202110534497.5A CN202110534497A CN113189535A CN 113189535 A CN113189535 A CN 113189535A CN 202110534497 A CN202110534497 A CN 202110534497A CN 113189535 A CN113189535 A CN 113189535A
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- 238000009434 installation Methods 0.000 title claims abstract description 14
- 230000002265 prevention Effects 0.000 title claims description 6
- 238000012795 verification Methods 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims description 19
- 206010014357 Electric shock Diseases 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- 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
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention discloses an electric energy meter calibrating device with a function of preventing electric shock, which comprises: the calibration platform comprises an installation platform, a plurality of to-be-detected electric meters are fixedly installed on the installation platform, and calibration circuits are distributed on the periphery of the calibration electric meters; the areas to be detected are uniformly distributed on the verification table at the installation positions of the ammeter to be detected and the verification circuit; insulating boot, its selectivity cover is established examine the periphery in waiting to examine the region, insulating boot with it sets up to examine the ammeter interval. Before the electric energy meter calibrating device detects the electric energy meter to be detected, the insulating cover is firstly covered on the area to be detected of the area where the electric energy meter to be detected and the calibrating circuit are located, and then the electric energy meter to be detected is electrified, so that the condition that an operator mistakenly touches a conductive element of the area to be detected is avoided, the safety of the detector is ensured, and the safety coefficient of the electric energy meter calibrating work is improved.
Description
Technical Field
The invention relates to the technical field of maintenance of electrical equipment, in particular to an electric energy meter calibrating device with an anti-electric-shock function.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities. When the electric energy meter is connected to a circuit to be tested, alternating currents flow through the current coil and the voltage coil, and the alternating currents respectively generate alternating magnetic fluxes in iron cores of the alternating currents and the voltage coil; the alternating magnetic flux passes through the aluminum plate, and eddy current is induced in the aluminum plate; the eddy currents are acted upon by a force in the magnetic field, so that the aluminum disk is rotated by a torque (main torque).
In order to monitor the accuracy of the electric energy meter during working, the electric energy meter needs to be verified before leaving a factory, and when the electric energy meter is verified, voltage and current need to be applied to the electric energy meter.
Disclosure of Invention
The invention aims to solve the problem that potential safety hazards exist when verification personnel perform verification work due to the fact that an electric energy meter and a wiring terminal of an existing electric energy meter verification device are exposed outside.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided an electric energy meter verification apparatus having an electric shock prevention function, including:
the calibration platform comprises an installation platform, a plurality of to-be-detected electric meters are fixedly installed on the installation platform, and calibration circuits are distributed on the periphery of the calibration electric meters;
the areas to be detected are uniformly distributed on the verification table at the installation positions of the ammeter to be detected and the verification circuit;
the insulating cover is selectively covered on the periphery of the area to be detected, and the insulating cover and the electric meter to be detected are arranged at intervals; and
and the protective screen is intermittently shielded at the front end of the area to be detected.
Preferably, wait to examine the ammeter top be provided with a plurality of support piece on the mounting platform, support piece with wait to examine the ammeter one-to-one.
Preferably, the insulating cover comprises a cover body and an installation section connected with the cover body, the installation section is provided with an installation hole corresponding to the supporting piece, and the insulating cover is arranged on the supporting piece at the verification position through the installation section.
Preferably, the cover body is a cavity structure with an opening at the bottom, the bottom of the cover body extends towards the periphery to form the mounting section, and the covering area of the cavity structure is larger than the area to be detected.
Preferably, the verification platform further comprises a working platform, and an anti-static part is paved on the working platform.
Preferably, the top plate is covered above the top of the mounting platform, the top plate extends outwards to form a protection platform, the plane where the protection platform is located is perpendicular to the plane where the mounting platform is located, and the protection platform transversely extends out of the region to be detected for a certain distance.
Preferably, the protection platform is provided with an accommodating cavity.
Preferably, the protection platform is further provided with an alarm device, and the alarm device is electrically connected with the verification circuit.
Preferably, every wait to examine regional upper end set up one on the mounting platform and be used for carrying and draw the elastic stretching post of protective screen, the protrusion distance of elastic stretching post is greater than wait to examine the protrusion distance of ammeter.
Preferably, every examine the region of examining with set up a flexible opening between the work platform, flexible opening is located examination ammeter front end position department, flexible setting from top to bottom of protective screen is in the flexible opening, the protective screen top sets up the leader, a through hole has been seted up on hand, the flexible post selectivity of elasticity stretches into to in the through hole.
The invention at least comprises the following beneficial effects:
1. the electric energy meter calibrating device comprises a calibrating platform and an insulating cover, wherein the insulating cover is used for protecting a single electric meter to be detected so as to operate other electric meters to be detected in the area to be detected, the calibrating platform comprises a mounting platform, a plurality of electric meters to be detected are fixedly mounted on the mounting platform, a calibrating circuit is distributed on the periphery of the calibrating electric meter, the plurality of areas to be detected are uniformly distributed on the calibrating platform at the mounting positions of the electric meters to be detected and the calibrating circuit, the insulating cover is selectively covered on the periphery of the areas to be detected, and the insulating cover and the electric meters to be detected are arranged at intervals. Before the electric energy meter calibrating device detects the electric energy meter to be detected, the insulating cover is firstly covered on the area to be detected of the area where the electric energy meter to be detected and the calibrating circuit are located, and then the electric energy meter to be detected is electrified, so that the condition that an operator mistakenly touches a conductive element of the area to be detected is avoided, the safety of the detector is ensured, and the safety coefficient of the electric energy meter calibrating work is improved.
2. The electric energy meter calibrating device also comprises a protection platform, wherein the protection platform is provided with an alarm device, the alarm device is electrically connected with the calibrating circuit, and when the alarm device detects that the voltage value and the current value in the calibrating circuit are abnormal, an alarm can be given out, so that the safety coefficient of the electric energy meter calibrating work is further improved.
3. When a plurality of electric meters to be detected are installed in the area to be detected, the area needs to be protected integrally.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an electric energy meter calibration device;
FIG. 2 is a front view of a first shield during zone shielding;
FIG. 3 is a front view of the certification stand;
fig. 4 is a schematic structural view of the insulating cover.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
The invention provides an electric energy meter calibrating device with a function of preventing electric shock, and figures 1-4 show an implementation form according to the invention, which comprises the following components: examine test table 1 and insulating boot 3, examine test table 1 and include a mounting platform 11, and fixed mounting has a plurality of ammeters 2 of examining to examine on the mounting platform 11, examines and determine 2 peripheries of ammeters and has laid examination circuit, and a plurality of regional evenly distributed of examining is examining the examination table 1 of examining ammeter 2 and examining the circuit place mounted position, and insulating boot 3 selectivity covers and establishes in the periphery of examining the region, insulating boot 3 with examine 2 intervals settings of ammeter. Before the electric energy meter calibrating device detects the electric energy meter 2 to be detected, the insulating cover 3 is firstly covered on the electric energy meter 2 to be detected and the region to be detected of the calibrating circuit, and then the electric energy meter 2 to be detected is electrified, so that the condition that an operator mistakenly touches a conductive element of the region to be detected is avoided, the safety of the detector is ensured, and the safety coefficient of the electric energy meter calibrating work is improved. The verification circuit is a mature technology in the prior art, and the specific content is referred to JJG596-2012 'electronic alternating current energy meter verification regulation', pages 17-18.
Specifically, treat to be provided with a plurality of support piece 21 on the mounting platform 11 of examining ammeter 2 top, support piece 21 with treat ammeter 2 one-to-one, insulating boot 3 is including the cover body 31 and the erection section 32 of being connected with the cover body 31, set up the mounting hole 321 that corresponds with support piece 21 on the erection section 32, insulating boot 3 sets up on the support piece 21 of examining the position through erection section 32, thereby insulating boot 3 can set up in examining of examination platform 1 examine the region on, played with operating personnel and the effect of examining ammeter 2 and examining the circuit isolation, the cover body 31 is a bottom open-ended cavity structure, the outside periphery extension in bottom of the cover body 31 forms the erection section 32, the closure region of cavity structure is greater than and examines the region.
The verification platform 1 further comprises a working platform 12, the anti-static part 4 is paved on the working platform 12, the working platform 12 can be used for temporarily placing verification tools, the electric meter 2 to be detected needs to be electrified during verification, static electricity is easy to generate on the verification platform 1, and the anti-static part 4 on the working platform 12 can avoid electric shock when an operator takes the verification tools.
The top of the mounting platform 11 is covered with a top plate 13, the top plate 13 extends outwards to form a protection platform 14, the plane where the protection platform 14 is located is perpendicular to the plane where the mounting platform 11 is located, the protection platform 14 transversely extends out of the region to be detected for a certain distance, the protection platform 14 is further provided with an alarm device 5, and the alarm device 5 is electrically connected with the verification circuit. The alarm device 5 is arranged on the protection platform 14 of the electric energy meter calibrating device, the alarm device 5 is electrically connected with the calibrating circuit, and when the alarm device 5 detects that the voltage value and the current value in the calibrating circuit are abnormal, an alarm can be given out, so that the safety coefficient of the electric energy meter calibrating work is further improved. The alarm device 5 is a conventional reminding device, and gives an alarm when the collected current and voltage exceed the set standard, and the alarm device 5 is an existing conventional component and can adopt a voltage alarm or a current alarm and the like.
The protective platform 14 is provided with the accommodating cavity 141, and the accommodating cavity 141 can be used for placing a calibration tool for a long time, so that an operator can conveniently take the calibration tool, and the convenience of the calibration work of the electric energy meter is improved.
The invention relates to a verification platform 1 and an insulating cover 3, wherein the insulating cover is used for protecting a single electric meter to be detected so as to operate other electric meters to be detected in a region to be detected, the verification platform 1 comprises a mounting platform 11, a plurality of electric meters 2 to be detected are fixedly mounted on the mounting platform 11, a verification circuit is distributed on the periphery of each verification electric meter 2, the plurality of regions to be detected are uniformly distributed on the verification platform 1 at the mounting positions of the electric meters 2 to be detected and the verification circuits, the insulating cover 3 is selectively covered on the periphery of the region to be detected, and the insulating cover 3 and the electric meters 2 to be detected are arranged at intervals. Before the electric energy meter calibrating device detects the electric energy meter 2 to be detected, the insulating cover 3 is firstly covered on the electric energy meter 2 to be detected and the region to be detected of the calibrating circuit, and then the electric energy meter 2 to be detected is electrified, so that the condition that an operator mistakenly touches a conductive element of the region to be detected is avoided, the safety of the detector is ensured, and the safety coefficient of the electric energy meter calibrating work is improved. In addition, the protection platform 14 is further provided with an alarm device 5, and the alarm device 5 is electrically connected with the verification circuit. The alarm device 5 is arranged on the protection platform 14 of the electric energy meter calibrating device, the alarm device 5 is electrically connected with the calibrating circuit, and when the alarm device 5 detects that the voltage value and the current value in the calibrating circuit are abnormal, an alarm can be given out, so that the safety coefficient of the electric energy meter calibrating work is further improved.
Furthermore, aiming at the whole area protection of a single area to be detected, the invention is provided with a plurality of protective screens 8 which can independently stretch up and down, and the protective screens 8 can be transparent or non-transparent, so that the protective screens 8 intermittently shield the front end of the area to be detected, thereby playing the role of area protection. Specifically, as shown in fig. 1-3, every wait to examine regional upper end set up one on the mounting platform 11 and be used for carrying and drawing the flexible post 6 of protecting screen 8, flexible post 6 can press down the indent inwards, then elasticity stretches out during normal condition, the protrusion distance of flexible post 6 is greater than wait to examine the protrusion distance of ammeter 2 to with the 8 contacts of protecting screen that rise, lock protecting screen 8 and do not drop downwards.
And every wait to examine the region with set up a flexible opening 7 between work platform 12, flexible opening 7 is used for holding protecting screen 8, the flexible setting about protecting screen 8 is in flexible opening 7, it is concrete, flexible opening 7 is located 2 front end position departments of examination ammeter avoid when the protecting screen 8 rebound, are hindered by the examination ammeter 2 of installing in place.
In order to move the protective screen 8 conveniently, a handle 81 is arranged at the top of the protective screen 8, a through hole 82 corresponding to the elastic telescopic column 6 is formed in the handle 81, open holes 83 allowing fingers to conveniently stretch into the through hole 82 are formed in two sides of the through hole 82, the protective screen 8 is moved upwards from the telescopic opening 7 by lifting the open holes 83, the elastic telescopic column 6 is pressed inwards to give way until the through hole 82 is moved to the position of the elastic telescopic column 6, the elastic telescopic column 6 is released, at the moment, the elastic telescopic column 6 can stretch into the through hole 82, the protective screen 8 is locked, and falling is avoided.
As shown in figure 2, when a plurality of or full electric meters to be detected are arranged in the first region to be detected, the first protective screen is pulled and locked on the elastic telescopic column 6 according to the method, so that the integral protection of the first region to be detected can be realized, and the other regions to be detected are subjected to live-line operation once.
From the above, when a plurality of electric meters to be detected are installed in the area to be detected, the area needs to be protected integrally.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an electric energy meter calibrating installation with electric shock prevention function which characterized in that includes:
the verification platform (1) comprises a mounting platform (11), a plurality of electric meters (2) to be detected are fixedly mounted on the mounting platform (11), and verification circuits are distributed on the periphery of the verification electric meters (2);
the areas to be detected are uniformly distributed on the verification table (1) at the installation positions of the ammeter (2) to be detected and the verification circuit;
the insulating cover (3) is selectively covered on the periphery of the area to be detected, and the insulating cover (3) and the ammeter (2) to be detected are arranged at intervals; and
and the protective screen (8) is intermittently shielded at the front end of the area to be detected.
2. The electric energy meter calibrating device with the electric shock preventing function according to claim 1, wherein a plurality of supporting pieces (21) are arranged on the mounting platform (11) above the electric meter (2) to be calibrated, and the supporting pieces (21) correspond to the electric meter (2) to be calibrated one to one.
3. The electric energy meter calibrating device with the electric shock preventing function according to claim 2, wherein the insulating cover (3) comprises a cover body (31) and a mounting section (32) connected with the cover body (31), the mounting section (32) is provided with a mounting hole (321) corresponding to the supporting piece (21), and the insulating cover (3) is arranged on the supporting piece (21) at the calibrating position through the mounting section (32).
4. The electric energy meter calibrating device with the electric shock preventing function as claimed in claim 3, wherein the cover body (31) is a cavity structure with an open bottom, the bottom of the cover body (31) extends to the outer periphery to form the mounting section (32), and the covering area of the cavity structure is larger than the area to be checked.
5. The electric energy meter calibrating device with the electric shock preventing function according to claim 1, wherein the calibrating table (1) further comprises a working platform (12), and the anti-static member (4) is laid on the working platform (12).
6. The electric energy meter calibrating device with the electric shock prevention function according to claim 1, wherein a top plate (13) covers the top of the mounting platform (11), the top plate (13) extends outwards to form a protection platform (14), the plane of the protection platform (14) is perpendicular to the plane of the mounting platform (11), and the protection platform (14) extends out of the region to be checked for a certain distance transversely.
7. The electric energy meter calibrating device with the electric shock preventing function according to claim 6, wherein the protective platform (14) is provided with a containing cavity (141).
8. The electric energy meter calibrating device with the electric shock preventing function according to claim 7, wherein an alarm device (5) is further arranged on the protective platform (14), and the alarm device (5) is electrically connected with the calibrating circuit.
9. The electric energy meter calibrating device with the electric shock preventing function according to claim 8, wherein an elastic telescopic column (6) for lifting the protective screen (8) is arranged on the mounting platform (11) at the upper end of each region to be tested, and the protruding distance of the elastic telescopic column (6) is greater than that of the electric meter (2) to be tested.
10. The electric energy meter calibrating device with the electric shock prevention function according to claim 9, wherein a telescopic opening (7) is formed between each region to be calibrated and the working platform (12), the telescopic opening (7) is located at the front end of the electric energy meter calibrating device (2), the protective screen (8) is arranged in the telescopic opening (7) in a vertically telescopic manner, a handle (81) is arranged at the top of the protective screen (8), a through hole (82) is formed in the handle (81), and the elastic telescopic column (6) selectively extends into the through hole (82).
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CN202110534497.5A CN113189535A (en) | 2021-05-17 | 2021-05-17 | Electric energy meter calibrating installation with electric shock prevention function |
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CN202110534497.5A CN113189535A (en) | 2021-05-17 | 2021-05-17 | Electric energy meter calibrating installation with electric shock prevention function |
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Citations (10)
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CN103558579A (en) * | 2013-11-06 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Electric energy meter calibration device |
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CN108008342A (en) * | 2017-12-29 | 2018-05-08 | 国网新疆电力有限公司电力科学研究院 | Artificial single-phase electric energy meter verification table |
CN207832876U (en) * | 2018-02-12 | 2018-09-07 | 天津三能自动化科技有限公司 | A kind of shock-proof type multi-user prepaid intelligent electric energy meter |
CN108931676A (en) * | 2017-05-25 | 2018-12-04 | 朴莲花 | Single-phase double house type ammeter boxes |
CN211554100U (en) * | 2019-12-18 | 2020-09-22 | 广东电网有限责任公司 | Novel meter box shell |
CN212622749U (en) * | 2020-06-17 | 2021-02-26 | 中电装备山东电子有限公司 | Fixing device for installing intelligent electric meter |
CN212872594U (en) * | 2020-08-20 | 2021-04-02 | 澎勃自动化科技(上海)有限公司 | Electric meter box with temperature measurement and control |
CN112630718A (en) * | 2020-10-22 | 2021-04-09 | 国网浙江省电力有限公司杭州供电公司 | Intelligent auxiliary device for electric energy meter verification fault judgment |
CN215005839U (en) * | 2021-05-17 | 2021-12-03 | 国网江苏省电力有限公司无锡供电分公司 | Electric energy meter calibrating installation with electric shock prevention function |
-
2021
- 2021-05-17 CN CN202110534497.5A patent/CN113189535A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103558579A (en) * | 2013-11-06 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Electric energy meter calibration device |
CN106159733A (en) * | 2016-07-06 | 2016-11-23 | 张家港富士金属制品有限公司 | A kind of integrated electricity meter case |
CN108931676A (en) * | 2017-05-25 | 2018-12-04 | 朴莲花 | Single-phase double house type ammeter boxes |
CN108008342A (en) * | 2017-12-29 | 2018-05-08 | 国网新疆电力有限公司电力科学研究院 | Artificial single-phase electric energy meter verification table |
CN207832876U (en) * | 2018-02-12 | 2018-09-07 | 天津三能自动化科技有限公司 | A kind of shock-proof type multi-user prepaid intelligent electric energy meter |
CN211554100U (en) * | 2019-12-18 | 2020-09-22 | 广东电网有限责任公司 | Novel meter box shell |
CN212622749U (en) * | 2020-06-17 | 2021-02-26 | 中电装备山东电子有限公司 | Fixing device for installing intelligent electric meter |
CN212872594U (en) * | 2020-08-20 | 2021-04-02 | 澎勃自动化科技(上海)有限公司 | Electric meter box with temperature measurement and control |
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