CN108872656A - A kind of electric energy metering device - Google Patents
A kind of electric energy metering device Download PDFInfo
- Publication number
- CN108872656A CN108872656A CN201811064173.4A CN201811064173A CN108872656A CN 108872656 A CN108872656 A CN 108872656A CN 201811064173 A CN201811064173 A CN 201811064173A CN 108872656 A CN108872656 A CN 108872656A
- Authority
- CN
- China
- Prior art keywords
- electric energy
- metering device
- energy metering
- voltage
- cubicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001141 propulsive effect Effects 0.000 claims abstract description 35
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a kind of electric energy metering devices.The electric energy metering device includes propulsive mechanism and at least one current transformer connecting with the propulsive mechanism, at least one voltage transformer and electric signal display instrument；Wherein, the current transformer includes upper contact arm, lower contact arm, the upper moving contact for being set to the upper contact arm front end and the lower moving contact for being set to the lower contact arm front end；The upper moving contact is electrically connected with the static contact in the high-voltage metering cubicle, the external electrical equipment of lower moving contact, and the end of the end of the upper contact arm and the lower contact arm is electrically connected with the both ends of primary coil in the current transformer respectively；The primary coil of the voltage transformer is plugged on the lower contact arm of the current transformer by plug；The secondary coil of the current transformer and the voltage transformer is electrically connected with the electric signal display instrument respectively.To solve the problems, such as that production, installation and maintenance are inconvenient.
Description
Technical field
The present embodiments relate to power technology more particularly to a kind of electric energy metering devices.
Background technique
The metering of electric energy is reasonable and safety utilization of electric power basic guarantee, therefore, is each equipped in all power supply systems various
Different electric energy computing devices is used to measure the service condition of electric energy.
Current most commonly used electric energy computing device is high-voltage metering cubicle.However, traditional high-voltage metering cubicle is very huge,
Internal components be it is fixedly mounted, measure it is immovable when the service condition of electric energy, it is not flexible, and produce and installation process very
Inconvenience, if quality problems occurs in inside, maintenance is also inconvenient.
Summary of the invention
The present invention provides a kind of electric energy metering device, with solve metering electric energy service condition when it is not flexible, and produce and
Installation is inconvenient, while overhauling inconvenient technical problem.
The embodiment of the invention provides a kind of electric energy metering device, the electric energy metering device is used for and high-voltage metering cubicle electricity
Connection, the electric energy metering device include propulsive mechanism and at least one current transformer being connect with the propulsive mechanism,
At least one voltage transformer and electric signal display instrument；
Wherein, the current transformer include upper contact arm, lower contact arm, be set to the upper moving contact of the upper contact arm front end with
And it is set to the lower moving contact of the lower contact arm front end；The upper moving contact is electrically connected with the static contact in the high-voltage metering cubicle
Connect, the external electrical equipment of lower moving contact, the end of the end of the upper contact arm and the lower contact arm respectively with the electric current
The both ends electrical connection of primary coil in mutual inductor；
The primary coil of the voltage transformer is plugged on the lower contact arm of the current transformer by plug；
The secondary coil of the current transformer and the voltage transformer is electrically connected with the electric signal display instrument respectively
It connects.
Further, the plug includes shielded cable type plug.
Further, the number of the current transformer and the voltage transformer is respectively three.
Further, the electric energy metering device further includes aviation plug；
One end of the aviation plug is connect with the electric signal display instrument, in the other end and the high-voltage metering cubicle
Socket connects, the display screen of the electric signal transmission for showing the electric signal display instrument to the high-voltage metering cubicle.
Further, the electric energy metering device further includes valve push plate；
The valve push plate is set on the propulsive mechanism, the valve being used to open in the high-voltage metering cubicle.
Further, the electric energy metering device further includes rack；
The current transformer, the voltage transformer and the electric signal display instrument are separately mounted to the rack
On.
Further, the electric energy metering device further includes suspension hook；
The suspension hook is located at the two sides of the rack, for being electrically connected in the electric energy metering device and the high-voltage metering cubicle
When connecing, the electric energy metering device is moved on rotation vehicle.
Further, the rack is to be fixedly connected with the connection type of the propulsive mechanism.
Further, the electric energy metering device further includes limit shaft；
The limit shaft is located at the two sides of the propulsive mechanism, in the electric energy metering device and the high pressure measurement
When cabinet is electrically connected, the electric energy metering device is defined in the predetermined position in the high-voltage metering cubicle.
Further, the electric energy metering device further includes operation handle；
The operation handle is located at the front end of the propulsive mechanism, in the electric energy metering device and the high-pressure gauge
When measuring cabinet electrical connection, the mobile electric energy metering device in the high-voltage metering cubicle.
Propulsive mechanism provided by the invention and at least one connecting with the propulsive mechanism include the electricity of upper and lower contact
Current transformer, at least one the voltage transformer and electric signal display instrument of the current transformer are plugged in by plug,
It is very huge to solve traditional high-voltage metering cubicle, internal components be it is fixedly mounted, cannot be moved when measuring the service condition of electric energy
It is dynamic, it is not flexible, and problem very inconvenient when production, installation and maintenance, realize that metering device the space occupied is small, metering
Device is flexible when electric energy, moves, and produces, installs and overhaul convenient effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electric energy metering device provided in an embodiment of the present invention；
Fig. 2 is a kind of front view of electric energy metering device provided in an embodiment of the present invention；
Fig. 3 is a kind of side view of electric energy metering device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is that structural schematic diagram, Fig. 2 of electric energy metering device 1 provided in an embodiment of the present invention are that the embodiment of the present invention mentions
Front view, Fig. 3 of a kind of electric energy metering device supplied are a kind of side views of electric energy metering device provided in an embodiment of the present invention,
Electric energy metering device 1 with high-voltage metering cubicle for being electrically connected, as shown in Figure 1, Figure 2 and Figure 3, electric energy provided in an embodiment of the present invention
Metering device 1 includes propulsive mechanism 10 and at least one current transformer 20 connecting with propulsive mechanism 10, at least one electricity
Press mutual inductor 30 and electric signal display instrument 40；Wherein, current transformer 20 includes upper contact arm 21, lower contact arm 22, is set to
The upper moving contact 23 of upper 21 front end of contact arm and the lower moving contact 24 for being set to lower 22 front end of contact arm；Upper moving contact 23 and high-pressure gauge
Measure the static contact electrical connection in cabinet, the external electrical equipment of lower moving contact 24, the end point of the end of upper contact arm 21 and lower contact arm 22
It is not electrically connected with the both ends of primary coil in current transformer 20；The primary coil of voltage transformer 30 is plugged in electricity by plug
On the lower contact arm 22 of current transformer 20；The secondary coil of current transformer 20 and voltage transformer 30 respectively with electric signal display instrument
Table 40 is electrically connected.
Wherein, electric energy metering device 1 is docked with high-voltage metering cubicle by propulsive mechanism 10, after the completion of docking, electric energy at this time
The position of metering device 1 is testing position, and electric energy metering device 1 can be moved in high-voltage metering cubicle by propulsive mechanism 10
Operating position, the upper moving contact 23 and high-pressure gauge that the current transformer 20 of electric energy metering device 1 passes through upper 21 front end of contact arm at this time
Measure the static contact electrical connection in cabinet, current transformer 20 by the external electrical equipment of lower moving contact 24 of lower 22 front end of contact arm, from
And constitute galvanic circle.The end of contact arm 21 and the end of lower contact arm 22 are respectively and in current transformer 20 on current transformer 20
The both ends of primary coil are electrically connected, and the secondary coil of current transformer 20 is electrically connected with electric signal display instrument 40, realize electric current
Measurement；The primary coil of voltage transformer 30 is plugged in the lower contact arm 22 of current transformer 20 by plug (not shown)
On, i.e., voltage transformer 30 accesses in galvanic circle, and secondary coil and the electric signal display instrument 40 of voltage transformer 30 are electrically connected
It connects, to realize the measurement of voltage, after current data and voltage data are passed to electric signal display instrument 40, wherein electric signal
Display instrument 40 includes electric energy meter or universal meter, the numerical value of electric energy in 40 readout line of electric signal display instrument, to reach
The purpose of electrical energy measurement.When electric energy metering device 1 when something goes wrong, can be made by propulsive mechanism 10 electric energy metering device 1 from
Operating position is moved to testing position, is overhauled in testing position, can also be drawn by transfer car(buggy) to the outer of high-voltage metering cubicle
It is overhauled in face.
The technical solution of the present embodiment be propulsive mechanism and connect with propulsive mechanism at least one include upper and lower contact
Current transformer, at least one the voltage transformer and electric signal display instrument of current transformer are plugged in by plug,
It is bulky to solve traditional high-voltage metering cubicle, internal components be it is fixedly mounted, cannot when measuring the service condition of electric energy
It is mobile, it is not flexible, and problem very inconvenient when production, installation and maintenance, device occupies empty when having reached metering electric energy
Between it is small, flexible, removable, cost is small, and produce, install and overhaul convenient effect.Meanwhile current transformer includes upper touching
Arm, lower contact arm, the upper moving contact for being set to contact arm front end and the lower moving contact for being set to lower contact arm front end, voltage transformer
It is plugged on the lower contact arm of current transformer by plug, structure novel, and route can be monitored in real time in electric signal display instrument
In continuous data, it is simple and convenient.In addition to this, when electric energy metering device when something goes wrong, standardized device may be implemented
Quick-replaceable, realizes quick power transmission at the time when maintenance greatly shortened.
Based on the above technical solution, optionally, plug includes shielded cable type plug.
Wherein, the material of shielded cable type plug exterior includes that epoxy resin, good insulation preformance, while shielded cable type are inserted
Head can exclude the influence that other signals generate voltage transformer 30 when acquiring signal.Using shielded cable type plug, mention
The high accuracy of electric energy measurement data.
Based on the above technical solution, optionally, the number of current transformer 20 and voltage transformer 30 is respectively
Three.
Wherein, three current transformers 20 are electrically connected by upper moving contact 23 with the static contact in high-voltage metering cubicle respectively,
It is electrically connected to realize with the ABC three-phase of bus.Three voltage transformers 30 are plugged in current transformer 20 by plug respectively
Lower contact arm 22 on, i.e., access galvanic circle in, thus realize be electrically connected with the ABC three-phase of bus.
Based on the above technical solution, optionally, as shown in Fig. 2, electric energy metering device 1 further includes aviation plug
50；
One end of aviation plug 50 is connect with electric signal display instrument 40, and the socket in the other end and high-voltage metering cubicle connects
It connects, the display screen of the electric signal transmission for showing electric signal display instrument 40 to high-voltage metering cubicle.
Wherein, when electric energy metering device 1 is located at testing position, the major loop of electric energy metering device 1 leads at this time without electricity
It crosses aviation plug 50 to connect with the socket in high-voltage metering cubicle, i.e., the major loop of electric energy metering device 1 is powered, electric energy metering device
1 motor (not shown) operating, moves electric energy metering device 1 in high-voltage metering cubicle by propulsive mechanism 10, works as shifting
When moving to operating position, electric energy metering device 1 is started to work, and electric signal display instrument 40 shows electric signal, can be passed through at this time
In the electric signal transmission that aviation plug 50 shows electric signal display instrument 40 to the display screen of high-voltage metering cubicle.Work as aviation plug
50 with the socket in high-voltage metering cubicle when connecting, and the major loop of electric energy metering device 1 is powered, at this time can also be wirelessly
In the electric signal transmission to the display screen of high-voltage metering cubicle that the electric signal display instrument 40 of electric energy metering device 1 is shown.Simultaneously
At operating position, aviation plug 50 artificial cannot not can not pulled out any more, and have good insulating properties, ensure that electric energy metering device 1
Route is unobstructed when metering.
Based on the above technical solution, optionally, as shown in figure 3, electric energy metering device 1 further includes valve push plate
60；
Valve push plate 60 is set on propulsive mechanism 10, the valve being used to open in high-voltage metering cubicle.
Wherein, because static contact is exposed abnormally dangerous outside, the front end of static contact is provided with valve, plays protection
The effect of static contact makes electric energy metering device 1 from test position when electric energy metering device 1 needs work using propulsive mechanism 10
It sets and is moved to operating position, the valve of electrostatic contact front end is opened in the valve push plate 60 of electric energy metering device 1 at this time, facilitates electricity
In the moving contact insertion high-voltage metering cubicle of current transformer 20, to realize the closure of circuit.
Based on the above technical solution, optionally, as described in Figure 3, electric energy metering device 1 further includes rack 70；
Current transformer 20, voltage transformer 30 and electric signal display instrument 40 are separately mounted in rack 70.
Wherein, rack 70 is perpendicular to propulsive mechanism 10, current transformer 20, voltage transformer 30 and electric signal display instrument
Table 40 is separately mounted in rack 70.
Based on the above technical solution, optionally, as shown in figure 3, electric energy metering device 1 further includes suspension hook 80；
Suspension hook 80 is located at the two sides of rack 70, is used for when electric energy metering device 1 is electrically connected with high-voltage metering cubicle, by electric energy
Metering device 1 is moved on rotation vehicle.
Wherein, it is contemplated that the weight of electric energy metering device 1 is provided with suspension hook 80 in the two sides of rack 70, passes through suspension hook 80
Electric energy metering device 1 is moved on rotation vehicle, electric energy metering device 1 and high-voltage metering cubicle pair are then made by mobile transfer car(buggy)
It connects.
Based on the above technical solution, optionally, rack 70 is to be fixedly connected with the connection type of propulsive mechanism 10.
Based on the above technical solution, optionally, electric energy metering device 1 further includes limit shaft 90；
Limit shaft 90 is located at the two sides of propulsive mechanism 10, is used for when electric energy metering device 1 is electrically connected with high-voltage metering cubicle,
Predetermined position electric energy metering device 1 being defined in high-voltage metering cubicle.
Wherein, after the completion of docking electric energy metering device 1 with high-voltage metering cubicle by transfer car(buggy), electric energy metering device 1
It is moved in high-voltage metering cubicle by propulsive mechanism 10, electric energy metering device 1 is defined in by high-voltage metering cubicle by limit shaft 90
Interior predeterminated position, the position of electric energy metering device 1 is testing position at this time.
Based on the above technical solution, optionally, electric energy metering device 1 further includes that operation handle (is not shown in figure
Out)；Operation handle is located at the front end of propulsive mechanism 10, is used for when electric energy metering device 1 is electrically connected with high-voltage metering cubicle, in height
Press mobile electric energy metering device 1 in metering cabinet.
Wherein, electric energy metering device 1 is defined in by the predeterminated position in high-voltage metering cubicle by limit shaft 90, because at this time
Position be testing position, need electric energy metering device 1 being moved to operating position by propulsive mechanism 10, electric energy can be passed through
The motor (not shown) of metering device 1 operates, so that propulsive mechanism 10 be made to be moved to operating position, while also can use
The operation handle of 10 front end of propulsive mechanism is moved to electric energy metering device 1 by propulsive mechanism 10 by hand operation handle
Operating position.Movement of the electric energy metering device 1 in high-voltage metering cubicle is realized by two methods.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of electric energy metering device, which is characterized in that the electric energy metering device is described for being electrically connected with high-voltage metering cubicle
Electric energy metering device includes propulsive mechanism and at least one current transformer connecting with the propulsive mechanism, at least one electricity
Press mutual inductor and electric signal display instrument；
Wherein, the current transformer includes upper contact arm, lower contact arm, the upper moving contact for being set to the upper contact arm front end and sets
It is placed in the lower moving contact of the lower contact arm front end；The upper moving contact is electrically connected with the static contact in the high-voltage metering cubicle, institute
State the external electrical equipment of lower moving contact, the end of the end of the upper contact arm and the lower contact arm respectively with the current transformer
The both ends of middle primary coil are electrically connected；
The primary coil of the voltage transformer is plugged on the lower contact arm of the current transformer by plug；
The secondary coil of the current transformer and the voltage transformer is electrically connected with the electric signal display instrument respectively.
2. electric energy metering device according to claim 1, which is characterized in that the plug includes shielded cable type plug.
3. electric energy metering device according to claim 1, which is characterized in that the current transformer and the mutual induction of voltage
The number of device is respectively three.
4. electric energy metering device according to claim 1, which is characterized in that the electric energy metering device further includes that aviation is inserted
Head；
One end of the aviation plug is connect with the electric signal display instrument, the socket in the other end and the high-voltage metering cubicle
It connects, the display screen of the electric signal transmission for showing the electric signal display instrument to the high-voltage metering cubicle.
5. electric energy metering device according to claim 1, which is characterized in that the electric energy metering device further includes that valve pushes away
Plate；
The valve push plate is set on the propulsive mechanism, the valve being used to open in the high-voltage metering cubicle.
6. electric energy metering device according to claim 1, which is characterized in that the electric energy metering device further includes rack；
The current transformer, the voltage transformer and the electric signal display instrument are separately mounted in the rack.
7. electric energy metering device according to claim 6, which is characterized in that the electric energy metering device further includes suspension hook；
The suspension hook is located at the two sides of the rack, for being electrically connected in the electric energy metering device with the high-voltage metering cubicle
When, the electric energy metering device is moved on rotation vehicle.
8. electric energy metering device according to claim 6, which is characterized in that the connection of the rack and the propulsive mechanism
Mode is to be fixedly connected.
9. electric energy metering device according to claim 1, which is characterized in that the electric energy metering device further includes limit
Axis；
The limit shaft is located at the two sides of the propulsive mechanism, in the electric energy metering device and high-voltage metering cubicle electricity
When connection, the electric energy metering device is defined in the predetermined position in the high-voltage metering cubicle.
10. electric energy metering device according to claim 1, which is characterized in that the electric energy metering device further includes operation
Handle；
The operation handle is located at the front end of the propulsive mechanism, in the electric energy metering device and the high-voltage metering cubicle
When electrical connection, the mobile electric energy metering device in the high-voltage metering cubicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064173.4A CN108872656A (en) | 2018-09-12 | 2018-09-12 | A kind of electric energy metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064173.4A CN108872656A (en) | 2018-09-12 | 2018-09-12 | A kind of electric energy metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108872656A true CN108872656A (en) | 2018-11-23 |
Family
ID=64323871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811064173.4A Pending CN108872656A (en) | 2018-09-12 | 2018-09-12 | A kind of electric energy metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108872656A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327959Y (en) * | 2008-12-09 | 2009-10-14 | 常熟开关制造有限公司(原常熟开关厂） | Measuring trolley |
| CN201360103Y (en) * | 2008-12-31 | 2009-12-09 | 大连第二互感器集团有限公司 | Handcart type electric energy measuring and controlling device in 24KV power supply loop |
| CN201601411U (en) * | 2009-12-22 | 2010-10-06 | 广东南粤电气有限公司 | Central cabinet major loop ground handcart |
| CN201674141U (en) * | 2010-04-27 | 2010-12-15 | 大连第二互感器集团有限公司 | 24KV electric energy measuring cart with suspended meters |
| CN201674144U (en) * | 2010-05-31 | 2010-12-15 | 广州亿盛电气科技有限公司 | Metering handcart with framework inner cavity with three-meter structure |
| CN203456777U (en) * | 2013-09-17 | 2014-02-26 | 厦门兴厦控电气有限公司 | Handcart used for collecting high tension switchgear voltage signals |
| CN204118542U (en) * | 2014-08-09 | 2015-01-21 | 南京开关厂有限公司 | A kind of movable electricity testing device |
| CN204732682U (en) * | 2015-07-03 | 2015-10-28 | 中国西电集团公司 | A kind of fixed installation structure of scale car latching electromagnet |
| CN205429547U (en) * | 2016-03-02 | 2016-08-03 | 江苏镇鸣电气有限公司 | A metering handcart that is arranged in high pressure to put cabinet |
| CN207251059U (en) * | 2017-10-13 | 2018-04-17 | 无锡亿能电力设备股份有限公司 | Indoor metal armored removing type switch equipment metering cabinet |
| CN208795785U (en) * | 2018-09-12 | 2019-04-26 | 南京开关厂有限公司 | A kind of electric energy metering device |
-
2018
- 2018-09-12 CN CN201811064173.4A patent/CN108872656A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327959Y (en) * | 2008-12-09 | 2009-10-14 | 常熟开关制造有限公司(原常熟开关厂） | Measuring trolley |
| CN201360103Y (en) * | 2008-12-31 | 2009-12-09 | 大连第二互感器集团有限公司 | Handcart type electric energy measuring and controlling device in 24KV power supply loop |
| CN201601411U (en) * | 2009-12-22 | 2010-10-06 | 广东南粤电气有限公司 | Central cabinet major loop ground handcart |
| CN201674141U (en) * | 2010-04-27 | 2010-12-15 | 大连第二互感器集团有限公司 | 24KV electric energy measuring cart with suspended meters |
| CN201674144U (en) * | 2010-05-31 | 2010-12-15 | 广州亿盛电气科技有限公司 | Metering handcart with framework inner cavity with three-meter structure |
| CN203456777U (en) * | 2013-09-17 | 2014-02-26 | 厦门兴厦控电气有限公司 | Handcart used for collecting high tension switchgear voltage signals |
| CN204118542U (en) * | 2014-08-09 | 2015-01-21 | 南京开关厂有限公司 | A kind of movable electricity testing device |
| CN204732682U (en) * | 2015-07-03 | 2015-10-28 | 中国西电集团公司 | A kind of fixed installation structure of scale car latching electromagnet |
| CN205429547U (en) * | 2016-03-02 | 2016-08-03 | 江苏镇鸣电气有限公司 | A metering handcart that is arranged in high pressure to put cabinet |
| CN207251059U (en) * | 2017-10-13 | 2018-04-17 | 无锡亿能电力设备股份有限公司 | Indoor metal armored removing type switch equipment metering cabinet |
| CN208795785U (en) * | 2018-09-12 | 2019-04-26 | 南京开关厂有限公司 | A kind of electric energy metering device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103018599A (en) | Method for three-phase detection of errors of three-phase electronic transformer of gas insulated switchgear (GIS) | |
| CN203217023U (en) | Motor and transformer microcomputer integration test stand | |
| CN105066874A (en) | Breaker contact engagement depth measuring apparatus with convenient measurement | |
| CN208795785U (en) | A kind of electric energy metering device | |
| CN201273932Y (en) | AC withstand voltage testing instrument | |
| CN108872656A (en) | A kind of electric energy metering device | |
| CN103954869B (en) | Cable power frequency parameter testing device based on PXI system | |
| CN218411475U (en) | Temperature characteristic test system for gas insulated switchgear | |
| CN105866667A (en) | Loop resistance test method for two-terminal-grounding circuit breaker | |
| CN206725617U (en) | The special fastening means of primary cut-out relay protection transmission test | |
| CN201348640Y (en) | Auxiliary device for cable insulation detection | |
| CN103579942B (en) | high-pressure extraction type metering device | |
| CN103143870B (en) | A kind of outer support welding tooling of shielding cylinder connection and using method thereof | |
| CN206541018U (en) | A kind of multipoint grounding seeking instrument of voltage transformer | |
| CN203894346U (en) | Cable power frequency parameter testing apparatus | |
| CN205450243U (en) | Fault indicator coil tester | |
| CN214174594U (en) | Current transformer polarity automatic checkout device | |
| CN105783702A (en) | Moving-contact-reliably-contacted circuit breaker contact engagement depth measurement device | |
| CN206863180U (en) | A kind of generator manually wound insulation reversal connection ray detection device in high potential measurement | |
| US20160003896A1 (en) | Wireless remote power equipment test system and method of using same | |
| CN201674144U (en) | Metering handcart with framework inner cavity with three-meter structure | |
| CN219417695U (en) | Winding deformation testing device | |
| CN206132866U (en) | Transformation ratio tester | |
| CN110031725A (en) | A kind of telemetering equipment assembly | |
| CN203553706U (en) | High-voltage drawable metering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |