CN106199488A - The pressure resistant testing device of electric energy meter - Google Patents
The pressure resistant testing device of electric energy meter Download PDFInfo
- Publication number
- CN106199488A CN106199488A CN201610513226.0A CN201610513226A CN106199488A CN 106199488 A CN106199488 A CN 106199488A CN 201610513226 A CN201610513226 A CN 201610513226A CN 106199488 A CN106199488 A CN 106199488A
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- China
- Prior art keywords
- electric energy
- energy meter
- test
- protective casing
- test probe
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A kind of pressure resistant testing device of electric energy meter, including protective casing, and the location push-pull mechanism being arranged in protective casing, electrical control division and several test departments, it is characterized in that: described protective casing is provided with the input/output port of electric energy meter, described location push-pull mechanism includes the positioning tool for fixing several electric energy meters and push-pull device at fixed, described each test department all includes the lowering or hoisting gear being arranged on the top of positioning tool, test probe and test probe mounting seat, also include test starting device, described push-pull device at fixed, lowering or hoisting gear, test probe and test starting device all electrically connect with electrical control division.The pressure resistant testing device of this electric energy meter use manual dress table and automatically test combine, simple in construction, cost and efficiency can be taken into account simultaneously.
Description
Technical field
The present invention relates to detection device of electric energy meter technical field, be specifically related to the pressure resistant testing device of a kind of electric energy meter.
Background technology
The voltage-withstand test of traditional electric energy meter is essentially all employing manually debugging, owing to carrying out the electric energy meter of voltage-withstand test
Need under high pressure to work, therefore, for the generation of Accident prevention, high voltage protection when operator start to work, must have been dressed
Equipment, simultaneously high_voltage isolation process to be carried out to ground, this allows for, and test process is comparatively laborious, safety and efficiency the most relatively
Low.
For the problems referred to above, Authorization Notice No. is the Chinese utility model patent of CN203630352U, discloses a kind of electricity
Whether the automatic voltage withstanding test device of energy table, owing to this device uses the operating type of streamline, do not only need to detect that electric energy meter
The detection device put in place, and the location that Structure of need is complex when the electric energy meter on streamline is transferred to test department pushes away
Drawing mechanism, thus cause design cost higher, it is difficult to take into account cost and efficiency simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of manual dress table and automatically test combine, simple in construction, energy
Take into account the pressure resistant testing device of the electric energy meter of cost and efficiency simultaneously.
The technical solution of the present invention is: the pressure resistant testing device of a kind of electric energy meter, including protective casing and setting
Location push-pull mechanism, electrical control division and several test departments in protective casing, it is characterised in that: on described protective casing
Being provided with the input/output port of electric energy meter, described location push-pull mechanism includes the positioning tool for fixing several electric energy meters and pushes away
Drawing device, described push-pull device at fixed is arranged in protective casing and is connected with positioning tool for driving positioning tool to pass through protecting crust
Input/output port on body moves forward and backward motion, and described each test department all includes the lifting being arranged on the top of positioning tool
Device, test probe and test probe mounting seat, described test probe is arranged on the one side of test probe mounting seat straight down
On, described lowering or hoisting gear is connected fixed for driving test probe to be inserted vertically into be arranged on the another side of test probe mounting seat
On each calibrating terminal of the electric energy meter in the frock of position, also include test starting device, described push-pull device at fixed, lowering or hoisting gear, test
Probe and test starting device all electrically connect with electrical control division.
The operation principle of the pressure resistant testing device of electric energy meter of the present invention is as follows:
In its natural state, positioning tool stretches out the outside of the input/output port at electric energy meter, and operator are by several
Electric energy meter is manually installed on positioning tool, after electric energy meter installs, triggers test starting device, starts automatically to test
Journey, electrical control division automatically controls push-pull device at fixed rearward displacement, lowering or hoisting gear to bottom offset, when push-pull device at fixed drives positioning tool
When rearward displacement puts in place and lowering or hoisting gear drives the test downward displacement of probe mounting seat to put in place, test probe is inserted vertically into just
On each calibrating terminal of the electric energy meter being arranged on positioning tool, such that it is able to be automatically performed voltage-withstand test, after having tested, fixed
Position frock meeting automatic spring, waits and testing next time.
After using said structure, the invention have the advantages that
The pressure resistant testing device of electric energy meter of the present invention uses manual dress table and automatically tests the mode combined, and manually fills table
Make the detection device whether this device puts in place without detecting electric energy meter, and when electric energy meter is moved to test department, only need
The push-pull device at fixed moved after wanting a positioning tool for stationary electric table and driving positioning tool, so that location push-and-pull
The structure of mechanism is very simple, and design cost is substantially reduced, and during owing to manually filling table, electric energy meter is electric with electrical control division
Connect, there is not the safety problem that high pressure gets an electric shock；Use full automatic test process can be greatly improved test effect simultaneously
Rate, so that this apparatus structure is simple, cost and efficiency all can well be taken into account.
As preferably, described positioning tool includes loading plate, and the upper surface of described loading plate passes through fastening along long side direction
Part fixes multipair positioning splint, constitutes the station for placing an electric energy meter, described location between described every pair of positioning splint
On clamping plate, the bearing with securing member is set to the first mounting hole for regulating the spacing of every pair of positioning splint.This positioning tool is tied
Structure is simple and spacing between the positioning splint of each station is adjustable, can be suitable for the testing requirement of different types of electric energy meter.
As preferably, also include being arranged on each station for limiting front apron and the backstop that electric energy meter moves forward and backward
Plate, described front apron and backboard fixed with loading plate by securing member, and described front apron and backboard are consolidated with securing member
Determine place and be set to the second mounting hole for the spacing regulating between front apron and backboard.This arranges simple in construction and each station
Before and after spacing between baffle plate adjustable, the testing requirement of different types of electric energy meter can be suitable for.
As preferably, the front surface of the backboard of described each station is additionally provided with buffer unit.This is arranged on electric energy meter
Certain cushion effect can be formed when putting into, the damage of electric energy meter can be prevented.
As preferably, described push-pull device at fixed is the first cylinder that anterior-posterior horizontal is arranged in protective casing, described first gas
The free end of cylinder is connected with the bottom of positioning tool, and fixing end is fixed in protective casing.This setting makes overall structure more step up
Gather.
As preferably, the both sides of described first cylinder are also respectively symmetrically and are provided with guider.This setting makes the first cylinder
Seesaw more steady, it is thus possible to ensure that test probe can accurately be directed at the calibrating terminal of electric energy meter.
As preferably, described lowering or hoisting gear is the second cylinder of the three axle band guide rods being vertically installed in protective casing, institute
The free end stating the second cylinder is connected with test probe mounting seat, and fixing end is fixed in protective casing.This setting makes the second gas
The up and down motion of cylinder is more steady, and position is not susceptible to skew, it is thus possible to ensure that test test probe can accurately be directed at electric energy meter
Calibrating terminal.
As preferably, described test probe mounting seat is removable with the free end of the second cylinder to be connected.This setting makes only
Test probe mounting seat to arrange different test probes, it is possible to carry out difference by changing test probe mounting seat
The voltage-withstand test of the electric energy meter of kind.
As preferably, between described test probe mounting seat and the free end of the second cylinder, it is additionally provided with the first adjustable plate and
Two adjustable plates, on the removable upper surface being arranged on test probe mounting seat of the lower surface of described first adjustable plate, described second
On the lower surface of the free end that the upper surface of adjustable plate is fixed on the second cylinder, the upper surface of described first adjustable plate and second is adjusted
By the removable connection of securing member between the lower surface of joint plate, described first adjustable plate and the second adjustable plate one of them with
The junction of securing member is set to the 3rd mounting hole.This setting can be used for position before and after regulation test probe mounting seat so that
The installation site of test probe is more flexible, can better adapt to the testing requirement of multiple electric energy meter.
As preferably, also include the connecting plate being arranged at the fixing end of each second cylinder and be horizontally installed on protection
A slide rail in housing, the connecting plate of described each second cylinder is arranged in slide rail by securing member is removable.This arranges available
In regulating the right position of the second cylinder, be i.e. equivalent to the right position of regulation test probe mounting seat so that test probe
Installation site is more flexible, can better adapt to the testing requirement of multiple electric energy meter.
As preferably, described test starting device is the test button being arranged on outside protective casing.Triggered by button, knot
Structure is simple, triggering mode is reliable, with low cost.
Accompanying drawing illustrates:
Fig. 1 is the front view of the pressure resistant testing device of electric energy meter of the present invention；
Fig. 2 is the rearview after the pressure resistant testing device of electric energy meter of the present invention removes protective casing；
Fig. 3 is the structure schematic diagram that the present invention positions push-pull mechanism and test department；
Fig. 4 is the Facad structure schematic diagram that the present invention positions push-pull mechanism and test department；
Fig. 5 is the structural representation that the present invention positions push-pull mechanism；
Fig. 6 is the structural representation of test department of the present invention；
In figure: 1-protective casing, 2-positions push-pull mechanism, 3-test department, 4-input/output port, 5-positioning tool, and 6-pushes away
Drawing device, 9-lowering or hoisting gear, 10-tests probe, and 11-tests probe mounting seat, 14-electric energy meter, 15-test starting device, 16-
Loading plate, 18-positioning splint, 19-the first mounting hole, 20-front apron, 21-backboard, 23-the second mounting hole, 24-buffers dress
Put, 25-the first adjustable plate, 26-the second adjustable plate, 28-the 3rd mounting hole, 29-connecting plate, 30-slide rail, 31-guider.
Detailed description of the invention
Below in conjunction with the accompanying drawings, and in conjunction with the embodiments the present invention is described further.
Embodiment:
As shown in Figures 1 to 6, the pressure resistant testing device of a kind of electric energy meter, including protective casing 1 and be arranged on protection
Location push-pull mechanism 2, electrical control division and several test departments 3 in housing 1, it is characterised in that: set on described protective casing 1
The input/output port 4 of electric energy meter 14, described location push-pull mechanism 2 is had to include the positioning tool for fixing several electric energy meters 14
5 and push-pull device at fixed 6, in described push-pull device at fixed 6 is arranged on protective casing 1 and it is connected for driving positioning tool 5 with positioning tool 5
Moving forward and backward motion by the input/output port 4 on protective casing 1, described each test department 3 all includes being arranged on location work
Filling the lowering or hoisting gear 9 of the top of 5, test probe 10 and test probe mounting seat 11, described test probe 10 is installed straight down
In the one side of test probe mounting seat 11, described lowering or hoisting gear 9 is connected with the another side of test probe mounting seat 11 and is used for driving
Dynamic test probe 10 is inserted vertically on each calibrating terminal of the electric energy meter 14 being arranged on positioning tool 5, also includes that test is opened
Dynamic device 15, described push-pull device at fixed 6, lowering or hoisting gear 9, test probe 10 and test starting device 15 are all electrically connected with electrical control division
Connect.
The pressure resistant testing device of electric energy meter of the present invention uses manual dress table and automatically tests the mode combined, and manually fills table
Make this device without detecting the detection device whether electric energy meter 14 puts in place, and when electric energy meter 14 is moved to test department 3,
The push-pull device at fixed 6 moved after having only to a positioning tool 5 for stationary electric table 14 and driving positioning tool 5, thus
Making the structure of location push-pull mechanism 2 very simple, design cost is substantially reduced, and due to during manual dress table electric energy meter 14 not with
Electrical control division electrically connects, and there is not the safety problem that high pressure gets an electric shock；Use the full automatic test process can be big simultaneously
Improve greatly testing efficiency, so that this apparatus structure is simple, cost and efficiency all can well be taken into account.
As preferably, described positioning tool 5 includes that loading plate 16, the upper surface of described loading plate 16 pass through along long side direction
Multipair positioning splint 18 fixed by securing member, constitutes the work for placing an electric energy meter 14 between described every pair of positioning splint 18
Position, on described positioning splint 18, the bearing with securing member is set to the first mounting hole 19 for regulating every pair of positioning splint 18
Space D 1.This space D 1 arranged between the positioning splint 18 of simple in construction and each station is adjustable, can be suitable for variety classes
The testing requirement of electric energy meter 14.
As preferably, also include being arranged on each station for limiting front apron 20 He that electric energy meter 14 moves forward and backward
Backboard 21, described front apron 20 and backboard 21 are fixed with loading plate 16 by securing member, described front apron 20 and backstop
The bearing of plate 21 and securing member is set to the second mounting hole 23 for the space D 2 regulating between front apron 20 and backboard 21.
This space D 2 arranged before and after simple in construction and each station between baffle plate 20,21 is adjustable, can be suitable for different types of electricity
The testing requirement of energy table 14.
As preferably, the front surface of the backboard 21 of described each station is additionally provided with buffer unit 24.This is arranged on electricity
Energy table 14 can form certain cushion effect when putting into, and can prevent the damage of electric energy meter.
As preferably, the first cylinder that described push-pull device at fixed 6 is arranged in protective casing 1 for anterior-posterior horizontal, described first
The free end of cylinder is connected with the bottom of positioning tool 5, and fixing end is fixed in protective casing 1.This setting makes overall structure more
Add compact.
As preferably, the both sides of described first cylinder are also respectively symmetrically and are provided with guider 31, and described guider 31 is adopted
By prior art.This setting is moved more steady before and after making the first cylinder, it is thus possible to ensure test test probe 10 energy
Accurately it is directed at the calibrating terminal of electric energy meter 14.
As preferably, described lowering or hoisting gear 9 is the second cylinder of the three axle band guide rods being vertically installed in protective casing 1,
The free end of described second cylinder is connected with test probe mounting seat 11, and fixing end is fixed in protective casing 1.This setting makes
The up and down motion of two cylinders is more steady, and position is not susceptible to skew, it is thus possible to ensure that test probe 10 can accurately be directed at electric energy
The calibrating terminal of table 14.
As preferably, described test probe mounting seat 11 is removable with the free end of the second cylinder to be connected.This setting makes
As long as arranging different test probes 10 in test probe mounting seat 11, it is possible to by changing test probe mounting seat 11
Carry out the voltage-withstand test of different types of electric energy meter 14.
As preferably, between described test probe mounting seat 11 and the free end of the second cylinder, it is additionally provided with the first adjustable plate 25
With the second adjustable plate 26, the removable upper surface being arranged on test probe mounting seat 11 of the lower surface of described first adjustable plate 25
On, on the lower surface of the free end that the upper surface of described second adjustable plate 26 is fixed on the second cylinder, described first adjustable plate 25
Upper surface and the lower surface of the second adjustable plate 26 between by the removable connection of securing member, described first adjustable plate 25 and second
One of them junction with securing member of both adjustable plates 26 is set to the 3rd mounting hole 28.This setting can be used for regulation test and visits
Position before and after pin mounting seat 11 so that the installation site of test probe 10 is more flexible, can better adapt to multiple electric energy meter
The testing requirement of 14.
As preferably, also include the connecting plate 29 being arranged at the fixing end of each second cylinder and be horizontally installed on anti-
A slide rail 30 in protective case body 1, the connecting plate 29 of described each second cylinder is arranged in slide rail 30 by securing member is removable.Should
Arrange and can be used for regulating the right position of the second cylinder, be i.e. equivalent to the right position of regulation test probe mounting seat 11 so that
The installation site of test probe 10 is more flexible, can better adapt to the testing requirement of multiple electric energy meter 14.
As preferably, described test starting device 15 is the test button being arranged on outside protective casing 1.Touched by button
Sending out, simple in construction, triggering mode are reliable, with low cost.
Above-mentioned electrical control division includes controlling push-pull device at fixed 6 and the control module of lowering or hoisting gear 9 action and test probe 10
The high voltage output module of electrical connection and test module, owing to high voltage output module and test module are prior art, and push-and-pull dress
Put 6 and the control of lowering or hoisting gear 9 also for prior art, so electrical control division is not the inventive point of the present invention, the most superfluous
State.
The operation principle of the pressure resistant testing device of electric energy meter of the present invention is as follows:
In its natural state, positioning tool 5 stretches out the outside of the input/output port 4 at electric energy meter 14, if operator will
A dry electric energy meter 14 is manually installed on positioning tool 5, after electric energy meter 14 installs, triggers test starting device 15, starts
Automatic testing process, electrical control division automatically controls push-pull device at fixed 6 rearward displacement, lowering or hoisting gear 9 to bottom offset, works as push-pull device at fixed
When 6 driving positioning tool 5 rearward displacement put in place and lowering or hoisting gear 9 drives the test downward displacement of probe mounting seat 11 to put in place, test
Probe 10 is inserted vertically on each calibrating terminal of the electric energy meter 14 being arranged on positioning tool 5 just, such that it is able to the completeest
Become voltage-withstand test, positioning tool 5 meeting automatic spring, wait and testing next time.
Claims (10)
1. a pressure resistant testing device for electric energy meter, including protective casing (1) and be arranged on the location in protective casing (1)
Push-pull mechanism (2), electrical control division and several test departments (3), it is characterised in that: described protective casing (1) is provided with electric energy
The input/output port (4) of table (14), described location push-pull mechanism (2) includes the location work for fixing several electric energy meters (14)
Dress (5) and push-pull device at fixed (6), in described push-pull device at fixed (6) is arranged on protective casing (1) and be connected with positioning tool (5) and be used for
Positioning tool (5) is driven to move forward and backward motion, described each test department by the input/output port (4) on protective casing (1)
(3) all include being arranged on the lowering or hoisting gear (9) of the top of positioning tool (5), test probe (10) and test probe mounting seat
(11), described test probe (10) is arranged in the one side of test probe mounting seat (11) straight down, described lowering or hoisting gear (9)
It is connected with the another side of test probe mounting seat (11) for driving test probe (10) to be inserted vertically into and be arranged on positioning tool
(5), on each calibrating terminal of the electric energy meter (14) on, test starting device (15), described push-pull device at fixed (6), lifting dress are also included
Put (9), test probe (10) and test starting device (15) all to electrically connect with electrical control division.
The pressure resistant testing device of a kind of electric energy meter the most according to claim 1, it is characterised in that: described positioning tool (5)
Including loading plate (16), the upper surface of described loading plate (16) fixes multipair positioning splint along long side direction by securing member
(18), the station for placing an electric energy meter (14), described positioning splint are constituted between described every pair of positioning splint (18)
(18) upper and securing member bearing is set to the first mounting hole (19) and is used for regulating the space D 1 of every pair of positioning splint (18).
The pressure resistant testing device of a kind of electric energy meter the most according to claim 2, it is characterised in that: also include being arranged on each
Being used on station limits front apron (20) and the backboard (21) that electric energy meter (14) moves forward and backward, described front apron (20) and after
Baffle plate (21) is fixed with loading plate (16) by securing member, fixing of described front apron (20) and backboard (21) and securing member
Place is set to the second mounting hole (23) and is used for regulating the space D 2 between front apron (20) and backboard (21).
The pressure resistant testing device of a kind of electric energy meter the most according to claim 3, it is characterised in that: after described each station
Buffer unit (24) it is additionally provided with on the front surface of baffle plate (21).
The pressure resistant testing device of a kind of electric energy meter the most according to claim 1, it is characterised in that: described push-pull device at fixed (6)
The end of the first cylinder in protective casing (1), the free end of described first cylinder and positioning tool (5) it is arranged on for anterior-posterior horizontal
Portion is connected, and fixing end is fixed in protective casing (1).
The pressure resistant testing device of a kind of electric energy meter the most according to claim 5, it is characterised in that: the two of described first cylinder
Side is also respectively symmetrically and is provided with guider (31).
The pressure resistant testing device of a kind of electric energy meter the most according to claim 1, it is characterised in that: described lowering or hoisting gear (9)
Second cylinder of the three axle band guide rods for being vertically installed in protective casing (1), the free end of described second cylinder is visited with test
Pin mounting seat (11) is connected, and fixing end is fixed in protective casing (1).
The pressure resistant testing device of a kind of electric energy meter the most according to claim 7, it is characterised in that: described test probe is installed
(11) are removable with the free end of the second cylinder is connected for seat.
The pressure resistant testing device of a kind of electric energy meter the most according to claim 8, it is characterised in that: described test probe is installed
The first adjustable plate (25) and the second adjustable plate (26), described first regulation it is additionally provided with between seat (11) and the free end of the second cylinder
The lower surface of plate (25) is removable to be arranged on the upper surface of test probe mounting seat (11), described second adjustable plate (26) upper
On the lower surface of the free end that surface is fixed on the second cylinder, the upper surface of described first adjustable plate (25) and the second adjustable plate
(26) by the removable connection of securing member between lower surface, both described first adjustable plate (25) and the second adjustable plate (26) its
One of be set to the 3rd mounting hole (28) with the junction of securing member.
The pressure resistant testing device of a kind of electric energy meter the most according to claim 7, it is characterised in that: also include being arranged on respectively
Connecting plate (29) at the fixing end of the second cylinder and the slide rail (30) being horizontally installed in protective casing (1), described respectively
The connecting plate (29) of the second cylinder is arranged in slide rail (30) by securing member is removable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513226.0A CN106199488A (en) | 2016-06-28 | 2016-06-28 | The pressure resistant testing device of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513226.0A CN106199488A (en) | 2016-06-28 | 2016-06-28 | The pressure resistant testing device of electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106199488A true CN106199488A (en) | 2016-12-07 |
Family
ID=57463271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610513226.0A Pending CN106199488A (en) | 2016-06-28 | 2016-06-28 | The pressure resistant testing device of electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106199488A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064854A (en) * | 2017-04-12 | 2017-08-18 | 国网山东省电力公司电力科学研究院 | A kind of pressure-resistant alarming device of intelligent electric energy meter and alarming method for power |
| CN108037477A (en) * | 2017-12-07 | 2018-05-15 | 国网山东省电力公司烟台供电公司 | A kind of intelligence family table LTU line test unit |
| CN108061873A (en) * | 2017-12-07 | 2018-05-22 | 国网山东省电力公司烟台供电公司 | Intelligent family table LTU line test unit |
| CN111308410A (en) * | 2019-11-19 | 2020-06-19 | 许继集团有限公司 | Electric energy meter testing device |
| CN112394315A (en) * | 2020-07-27 | 2021-02-23 | 杭州德创能源设备有限公司 | Compatible auto-change over device of smart meter |
| CN112731262A (en) * | 2020-12-11 | 2021-04-30 | 国网上海市电力公司 | Verification equipment for electric energy meter |
| CN113820650A (en) * | 2021-09-30 | 2021-12-21 | 安徽南瑞中天电力电子有限公司 | Full-automatic detection equipment for electric energy meter key and anti-magnetic interference performance |
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| CN203630352U (en) * | 2014-01-10 | 2014-06-04 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter withstand voltage test device |
| CN204086521U (en) * | 2014-10-23 | 2015-01-07 | 德力西集团仪器仪表有限公司 | Electric energy meter overpressure resistance detecting device |
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| CN102221683A (en) * | 2011-03-30 | 2011-10-19 | 浙江省电力公司 | Withstand voltage testing device for energy meter |
| CN102662153A (en) * | 2012-05-23 | 2012-09-12 | 四川电力科学研究院 | Three-phase smart electricity meter alternating voltage impulse voltage test tool |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064854A (en) * | 2017-04-12 | 2017-08-18 | 国网山东省电力公司电力科学研究院 | A kind of pressure-resistant alarming device of intelligent electric energy meter and alarming method for power |
| CN108037477A (en) * | 2017-12-07 | 2018-05-15 | 国网山东省电力公司烟台供电公司 | A kind of intelligence family table LTU line test unit |
| CN108061873A (en) * | 2017-12-07 | 2018-05-22 | 国网山东省电力公司烟台供电公司 | Intelligent family table LTU line test unit |
| CN111308410A (en) * | 2019-11-19 | 2020-06-19 | 许继集团有限公司 | Electric energy meter testing device |
| CN112394315A (en) * | 2020-07-27 | 2021-02-23 | 杭州德创能源设备有限公司 | Compatible auto-change over device of smart meter |
| CN112731262A (en) * | 2020-12-11 | 2021-04-30 | 国网上海市电力公司 | Verification equipment for electric energy meter |
| CN113820650A (en) * | 2021-09-30 | 2021-12-21 | 安徽南瑞中天电力电子有限公司 | Full-automatic detection equipment for electric energy meter key and anti-magnetic interference performance |
| CN113820650B (en) * | 2021-09-30 | 2023-12-15 | 安徽南瑞中天电力电子有限公司 | Full-automatic detection equipment for electric energy meter keys and anti-magnetic interference performance |
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Application publication date: 20161207 |