CN106980035A - Three-phase electric energy meter auxiliary terminal block - Google Patents
Three-phase electric energy meter auxiliary terminal block Download PDFInfo
- Publication number
- CN106980035A CN106980035A CN201710389532.2A CN201710389532A CN106980035A CN 106980035 A CN106980035 A CN 106980035A CN 201710389532 A CN201710389532 A CN 201710389532A CN 106980035 A CN106980035 A CN 106980035A
- Authority
- CN
- China
- Prior art keywords
- electric energy
- terminal
- energy meter
- auxiliary terminal
- connecting terminals
- 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
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
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
It is particularly a kind of to facilitate the three-phase electric energy meter auxiliary terminal block that connection box of electric energy meter box is connected with electric energy meter and reliability is high the present invention relates to a kind of power equipment.A connecting terminals, B connecting terminals, C connecting terminals and N zero line connection terminals are sequentially arranged at the auxiliary terminal and poured on shell, and two ends pass the electric energy meter side end face and terminal box side end face that auxiliary terminal pours shell.The three-phase electric energy meter auxiliary terminal block of the present invention, the cooperation of shell, A connecting terminals, B connecting terminals, C connecting terminals and N zero line connection terminals etc. is poured by auxiliary terminal, easily connection box of electric energy meter box can be connected with electric energy meter, direct grafting when using, screw on corresponding trip bolt, cumbersome wiring is eliminated, use quite facilitates；And due to that need not be intertwined and connected so that the place connected during wiring is unlikely to deform, and extends service life, improves reliability.
Description
Technical field
It is particularly a kind of to facilitate connection box of electric energy meter box to be connected with electric energy meter and reliability the present invention relates to a kind of power equipment
High three-phase electric energy meter auxiliary terminal block.
Background technology
The three-phase electric energy meter accessed through transformer conveniently will install connection box of electric energy meter box to change, and wire is first accessed
Then line box accesses wire at terminal box again and is connected to three-phase electric energy meter.But connection box of electric energy meter box is found in working practice
Distance between electric energy meter gets over short lead and is more difficult to make type.And after electric energy meter is separated with wire wire again into irregular alignment,
Copper cash on wire is also deformed, and wiring wire will be changed after several times.Both it is unsightly or inconvenient.
The content of the invention
In view of this, connection box of electric energy meter box is facilitated it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of
It is connected with electric energy meter and three-phase electric energy meter auxiliary terminal block that reliability is high.
The present invention solves its technical problem and uses the technical scheme to be：Three-phase electric energy meter auxiliary terminal block, including auxiliary
Terminal pours shell, A connecting terminals, B connecting terminals, C connecting terminals and N zero line connection terminals, and described A is connected
Connecting terminal, B connecting terminals, C connecting terminals and N zero line connection terminals are sequentially arranged at the auxiliary terminal and pour shell
On, and two ends pass the electric energy meter side end face and terminal box side end face that auxiliary terminal pours shell.
Further, for the present invention is better achieved, especially using following setting structures：Described A connecting terminals, B
Connecting terminal and C connecting terminals include current input terminal, current output terminal, electric energy table side voltage input-terminal
And connection box of electric energy meter box side voltage input-terminal；Described electric energy table side voltage input-terminal and connection box of electric energy meter box side voltage
Input terminal is connected.
Further, for the present invention is better achieved, especially using following setting structures：Described current input terminal attached bag
Include the electric energy table side current input terminal and connection box of electric energy meter box side current input terminal of interconnection；Described current output terminal
Attached bag includes the electric energy table side current output terminal and connection box of electric energy meter box side current output terminal of interconnection.
Further, for the present invention is better achieved, especially using following setting structures：Described electric energy table side electric current is defeated
Enter terminal, electric energy table side current output terminal and electric energy table side voltage input-terminal and be combined with brass conductive connector.
Further, for the present invention is better achieved, especially using following setting structures：Described A connecting terminals, B
Connecting terminal and C connecting terminals also include electric current testing terminal, and the electric current testing terminal is tried including electric energy meter current
Test terminals and connection box of electric energy meter box side electric current testing terminal.
Further, for the present invention is better achieved, especially using following setting structures：Described connection box of electric energy meter box side
Electric current testing terminal is set close to connection box of electric energy meter box side current output terminal, and described electric energy meter current test connection end is from auxiliary
Help terminal to pour enclosure to run through but upper surface of not emerging.
Further, for the present invention is better achieved, especially using following setting structures：Poured in described auxiliary terminal
The protection cap for covering described electric energy meter current test connection end is hinged with shell.
Further, for the present invention is better achieved, especially using following setting structures：Described current input terminal
A diameter of D1, meet 2mm≤D1≤5.9mm；A diameter of D of current output terminal2, meet 2mm≤D2≤4.4mm。
Further, for the present invention is better achieved, especially using following setting structures：Described auxiliary terminal pours outer
Shell pours the height of the electric energy table side of shell in the range of 8mm~27mm in step type, described auxiliary terminal, and length exists
In the range of 128mm~100mm, width is in the range of 32mm~30mm；The height that auxiliary terminal pours the terminal box side of shell exists
25mm~15mm, width 10mm~5mm；Described electric energy meter current test connection end is arranged on auxiliary terminal and pours connecing for shell
On line box side.
Further, for the present invention is better achieved, especially using following setting structures：Described auxiliary terminal pours outer
Shell is transparent plastic.
The beneficial effects of the invention are as follows：The three-phase electric energy meter auxiliary terminal block of the present invention, is poured outer by auxiliary terminal
The cooperation of shell, A connecting terminals, B connecting terminals, C connecting terminals and N zero line connection terminals etc., can easily by
Connection box of electric energy meter box is connected with electric energy meter, direct grafting when using, and screws on corresponding trip bolt, eliminates cumbersome connect
Line, use quite facilitates；And due to that need not be intertwined and connected so that the place connected during wiring is unlikely to deform, and is extended and is used
In the life-span, improve reliability.Because described A connecting terminals, B connecting terminals and C connecting terminals include electric current
Input terminal, current output terminal, electric energy table side voltage input-terminal and connection box of electric energy meter box side voltage input-terminal；It is described
Electric energy table side voltage input-terminal and connection box of electric energy meter box side voltage input-terminal connection, facilitate transmission, the voltage of electric current
Detection.Because described current input terminal includes the electric energy table side current input terminal and connection box of electric energy meter box of interconnection
Side current input terminal；The electric energy table side current output terminal and electric energy meter that described current output terminal includes being connected with each other connect
Line box side current output terminal, facilitates transmission, the detection of voltage of electric current.Due to described electric energy table side current input terminal
Son, electric energy table side current output terminal and electric energy table side voltage input-terminal are combined with brass conductive connector, with leading
Electrical property is strong, the characteristics of be unlikely to deform.Because described A connecting terminals, B connecting terminals and C connecting terminals are also equal
Including electric current testing terminal, the electric current testing terminal includes electric energy meter current test connection end and connection box of electric energy meter box side electric current is tried
Terminal is tested, the detection of electric current can be facilitated to test.Because described connection box of electric energy meter box side electric current testing terminal is close to electric energy meter
Terminal box side current output terminal is set, and described electric energy meter current test connection end pours enclosure from auxiliary terminal and run through
But upper surface of not emerging, after so designing, can avoid electric energy meter current test connection end from being collided damage, and reduction
Making material.Described electric energy meter current test connection end is covered due to pouring to be hinged with shell in described auxiliary terminal
Protection cap, so design after electric energy meter current test connection end can be played a protective role, prevent the hair of accidental short circuit
It is raw, while also playing the effect of waterproof.Because described auxiliary terminal pours shell for transparent plastic, can easily it see
Internal structure, convenient use person's maintenance and maintenance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the three-phase electric energy meter auxiliary terminal block of the present invention；
Fig. 2 is that the auxiliary terminal that removes of the three-phase electric energy meter auxiliary terminal block of the present invention pours a kind of structure of shell and shown
It is intended to；
In figure, 1-auxiliary terminal pours shell；2-electric energy table side current input terminal；3-electric energy table side electric current is exported
Terminal；4-electric energy table side voltage input-terminal；5-electric energy meter current test connection end；6-connection box of electric energy meter box side voltage is defeated
Enter terminal；7-connection box of electric energy meter box side current input terminal；8-connection box of electric energy meter box side electric current testing terminal；9-electric energy meter
Terminal box side current output terminal.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than comprehensively embodiment.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belongs to the scope that the present invention is protected.
Embodiment 1：
As shown in Figure 1 and Figure 2, three-phase electric energy meter auxiliary terminal block of the invention, including auxiliary terminal pour shell 1, A
Connecting terminal, B connecting terminals, C connecting terminals and N zero line connection terminals, described A connecting terminals, B are connected
Terminal, C connecting terminals and N zero line connection terminals are sequentially arranged at the auxiliary terminal and poured on shell 1, and two ends are passed
Auxiliary terminal pours the electric energy meter side end face and terminal box side end face of shell 1.The three-phase electric energy meter auxiliary terminal block of the present invention,
Shell 1, A connecting terminals, B connecting terminals, C connecting terminals and N zero line connection terminals etc. are poured by auxiliary terminal
Cooperation, easily connection box of electric energy meter box can be connected with electric energy meter, corresponding trip bolt is screwed in direct grafting when using
, cumbersome wiring is eliminated, use quite facilitates；And due to that need not be intertwined and connected so that the place connected during wiring
It is unlikely to deform, extends service life, improves reliability.
Embodiment 2：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：Described A connecting terminals, B connecting terminals and C connecting terminals include current input terminal,
Current output terminal, electric energy table side voltage input-terminal 4 and connection box of electric energy meter box side voltage input-terminal 6；Described electric energy
Table side voltage input-terminal 4 and connection box of electric energy meter box side voltage input-terminal 6 are connected.Due to described A connecting terminals, B phases
Connection terminal and C connecting terminals include current input terminal, current output terminal, electric energy table side voltage input-terminal 4
And connection box of electric energy meter box side voltage input-terminal 6；Described electric energy table side voltage input-terminal 4 and connection box of electric energy meter box side electricity
Pressure input terminal 6 is connected, and facilitates transmission, the detection of voltage of electric current.
Embodiment 3：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：The electric energy table side current input terminal 2 and electric energy meter that described current input terminal includes being connected with each other connect
Line box side current input terminal 7；Described current output terminal includes the electric energy table side current output terminal 3 and electricity being connected with each other
Can table terminal box side current output terminal 9.Because the electric energy table side electric current that described current input terminal includes being connected with each other is defeated
Enter terminal 2 and connection box of electric energy meter box side current input terminal 7；Described current output terminal includes the electric energy table side being connected with each other
Current output terminal 3 and connection box of electric energy meter box side current output terminal 9, facilitate transmission, the detection of voltage of electric current, facilitate
Connection.
Embodiment 4：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：Described electric energy table side current input terminal 2, electric energy table side current output terminal 3 and electric energy table side electricity
Pressure input terminal 4 is combined with brass conductive connector.Due to described electric energy table side current input terminal 2, electric energy table side electricity
Stream lead-out terminal 3 and electric energy table side voltage input-terminal 4 are combined with brass conductive connector, and conductive energy is by force, no
Yielding the characteristics of.It is worth noting that, passing through between described brass conductive connector and electric energy table side voltage input-terminal 4
The mode of crimping coordinates, and may cause severe oxidation if welding, cause electric conductivity to decline.
Embodiment 5：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：Described A connecting terminals, B connecting terminals and C connecting terminals also includes current testing end
Son, the electric current testing terminal includes electric energy meter current test connection end 5 and connection box of electric energy meter box side electric current testing terminal 8.Due to
Described A connecting terminals, B connecting terminals and C connecting terminals also includes electric current testing terminal, the current testing end
Attached bag includes electric energy meter current test connection end 5 and connection box of electric energy meter box side electric current testing terminal 8, and the detection of electric current can be facilitated to try
Test.
Embodiment 6：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：Described connection box of electric energy meter box side electric current testing terminal 8 is close to connection box of electric energy meter box side current output terminal 9
Set, described electric energy meter current test connection end 5 pours the inside of shell 1 from auxiliary terminal and run through but upper surface of not emerging.By
Set in described connection box of electric energy meter box side electric current testing terminal 8 close to connection box of electric energy meter box side current output terminal 9, it is described
Electric energy meter current test connection end 5 pours the inside of shell 1 from auxiliary terminal and run through but upper surface of not emerging, after so designing,
Can avoid electric energy meter current test connection end 5 be collided damage, prevent accidental short circuit short, and reduce making material
Material.
Embodiment 7：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：Pour to be hinged with shell 1 in described auxiliary terminal and cover described electric energy meter current test connection end 5
Protection cap.Described electric energy meter current test connection end 5 is covered due to pouring to be hinged with shell 1 in described auxiliary terminal
Protection cap, so design after electric energy meter current test connection end 5 can be played a protective role, prevent the hair of accidental short circuit
It is raw, while also playing the effect of waterproof and dustproof.
Embodiment 8：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：A diameter of D of described current input terminal1, meet 2mm≤D1≤5.9mm；Current output terminal it is straight
Footpath is D2, meet 2mm≤D2≤4.4mm。
Embodiment 9：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：Described auxiliary terminal pours shell 1 in step type, and described auxiliary terminal pours the electric energy meter of shell 1
The height of side is in the range of 8mm~27mm, and length is in the range of 128mm~100mm, and width is in the range of 32mm~30mm；It is auxiliary
Terminal is helped to pour the height of the terminal box side of shell 1 in 25mm~15mm, width 10mm~5mm；Described electric energy meter current examination
Test terminals 5 and be arranged on auxiliary terminal and pour on the terminal box side of shell 1.
Embodiment 10：
As preferred, for the present invention is better achieved, further optimize on the basis of above-described embodiment, especially use
Following setting structures：Described auxiliary terminal pours shell 1 for transparent plastic.It is because described auxiliary terminal pours shell 1
Transparent plastic, can easily see internal structure, convenient use person's maintenance and maintenance.
As preferred, in order to improve electric conductivity, increase the service life, described electric energy table side current input terminal 2,
Electric energy table side current output terminal 3, electric energy table side voltage input-terminal 4, electric energy meter current test connection end 5, connection box of electric energy meter
Box side voltage input-terminal 6, connection box of electric energy meter box side current input terminal 7, connection box of electric energy meter box side electric current testing terminal 8 and
Connection box of electric energy meter box side current output terminal 9 carries out anti-oxidant PROCESS FOR TREATMENT, such as can be using nickel plating technology processing.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. three-phase electric energy meter auxiliary terminal block, it is characterised in that：Shell (1), A connecting terminals, B are poured including auxiliary terminal
Connecting terminal, C connecting terminals and N zero line connection terminals, described A connecting terminals, B connecting terminals, C are connected
Terminal and N zero line connection terminals are sequentially arranged at the auxiliary terminal and poured on shell (1), and two ends pass auxiliary terminal and poured
Build the electric energy meter side end face and terminal box side end face of shell (1).
2. three-phase electric energy meter auxiliary terminal block according to claim 1, it is characterised in that：Described A connecting terminals,
B connecting terminals and C connecting terminals include current input terminal, current output terminal, electric energy table side voltage input end
Sub (4) and connection box of electric energy meter box side voltage input-terminal (6)；Described electric energy table side voltage input-terminal (4) and electric energy meter
Terminal box side voltage input-terminal (6) is connected.
3. three-phase electric energy meter auxiliary terminal block according to claim 2, it is characterised in that：Described current input terminal
Electric energy table side current input terminal (2) and connection box of electric energy meter box side current input terminal (7) including interconnection；Described electricity
Flow electric energy table side current output terminal (3) and connection box of electric energy meter box side current output terminal that lead-out terminal includes being connected with each other
(9)。
4. three-phase electric energy meter auxiliary terminal block according to claim 3, it is characterised in that：Described electric energy table side electric current
Input terminal (2), electric energy table side current output terminal (3) and electric energy table side voltage input-terminal (4) are combined with brass and led
Electrical connector.
5. the three-phase electric energy meter auxiliary terminal block according to any one claim in Claims 1-4, its feature exists
In：Described A connecting terminals, B connecting terminals and C connecting terminals also includes electric current testing terminal, electric current examination
Testing terminal includes electric energy meter current test connection end (5) and connection box of electric energy meter box side electric current testing terminal (8).
6. three-phase electric energy meter auxiliary terminal block according to claim 5, it is characterised in that：Described connection box of electric energy meter box
Side electric current testing terminal (8) is set close to connection box of electric energy meter box side current output terminal (9), and described electric energy meter current experiment connects
Line end (5) is poured from auxiliary terminal to be run through but upper surface of not emerging inside shell (1).
7. three-phase electric energy meter auxiliary terminal block according to claim 6, it is characterised in that：Poured in described auxiliary terminal
Build the protection cap for being hinged with shell (1) and covering described electric energy meter current test connection end (5).
8. three-phase electric energy meter auxiliary terminal block according to claim 1, it is characterised in that：Described current input terminal
A diameter of D1, meet 2mm≤D1≤5.9mm；A diameter of D of current output terminal2, meet 2mm≤D2≤4.4mm。
9. three-phase electric energy meter auxiliary terminal block according to claim 1, it is characterised in that：Described auxiliary terminal is poured
Shell (1) pours the height of the electric energy table side of shell (1) in the range of 8mm~27mm in step type, described auxiliary terminal, long
Degree is in the range of 128mm~100mm, and width is in the range of 32mm~30mm；Auxiliary terminal pours the terminal box side of shell (1)
Height is in 25mm~15mm, width 10mm~5mm；Described electric energy meter current test connection end (5) is arranged on auxiliary terminal and poured
On the terminal box side for building shell (1).
10. three-phase electric energy meter auxiliary terminal block according to claim 1, it is characterised in that：Described auxiliary terminal is poured
Shell (1) is built for transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389532.2A CN106980035A (en) | 2017-05-26 | 2017-05-26 | Three-phase electric energy meter auxiliary terminal block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389532.2A CN106980035A (en) | 2017-05-26 | 2017-05-26 | Three-phase electric energy meter auxiliary terminal block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106980035A true CN106980035A (en) | 2017-07-25 |
Family
ID=59342727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710389532.2A Pending CN106980035A (en) | 2017-05-26 | 2017-05-26 | Three-phase electric energy meter auxiliary terminal block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106980035A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125823A (en) * | 2021-04-28 | 2021-07-16 | 广东电网有限责任公司中山供电局 | Binding post standard plug-in components and three-phase electric energy meter |
| CN113433363A (en) * | 2021-06-24 | 2021-09-24 | 广东电网有限责任公司 | Connecting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667510A (en) * | 2009-09-30 | 2010-03-10 | 郁晓亮 | Double-layer structure triphase module type magnetic latching relay |
| CN201909801U (en) * | 2010-12-16 | 2011-07-27 | 上海电力表计技术服务公司 | Three-phase plug-in electric energy meter |
| CN102193079A (en) * | 2011-05-24 | 2011-09-21 | 贾旭敏 | Shrapnel-type wire connector of auxiliary terminal of intelligent electric energy meter |
| CN103698733A (en) * | 2013-09-18 | 2014-04-02 | 国家电网公司 | Test wiring terminal component for metering electric energy |
| CN203606407U (en) * | 2013-12-03 | 2014-05-21 | 上海协霖电子有限公司 | Electric energy meter terminal box |
| CN104267225A (en) * | 2014-10-22 | 2015-01-07 | 国网山东省电力公司聊城供电公司 | Electric energy meter standard wiring device and using method thereof |
| CN206097638U (en) * | 2016-06-23 | 2017-04-12 | 国网江苏省电力公司连云港供电公司 | Electric energy metering device that simulation has a power failure and works a telephone switchboard and inspect |
-
2017
- 2017-05-26 CN CN201710389532.2A patent/CN106980035A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667510A (en) * | 2009-09-30 | 2010-03-10 | 郁晓亮 | Double-layer structure triphase module type magnetic latching relay |
| CN201909801U (en) * | 2010-12-16 | 2011-07-27 | 上海电力表计技术服务公司 | Three-phase plug-in electric energy meter |
| CN102193079A (en) * | 2011-05-24 | 2011-09-21 | 贾旭敏 | Shrapnel-type wire connector of auxiliary terminal of intelligent electric energy meter |
| CN103698733A (en) * | 2013-09-18 | 2014-04-02 | 国家电网公司 | Test wiring terminal component for metering electric energy |
| CN203606407U (en) * | 2013-12-03 | 2014-05-21 | 上海协霖电子有限公司 | Electric energy meter terminal box |
| CN104267225A (en) * | 2014-10-22 | 2015-01-07 | 国网山东省电力公司聊城供电公司 | Electric energy meter standard wiring device and using method thereof |
| CN206097638U (en) * | 2016-06-23 | 2017-04-12 | 国网江苏省电力公司连云港供电公司 | Electric energy metering device that simulation has a power failure and works a telephone switchboard and inspect |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125823A (en) * | 2021-04-28 | 2021-07-16 | 广东电网有限责任公司中山供电局 | Binding post standard plug-in components and three-phase electric energy meter |
| CN113433363A (en) * | 2021-06-24 | 2021-09-24 | 广东电网有限责任公司 | Connecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106452097A (en) | Traction power module | |
| CN105891606A (en) | Device for testing tower grounding resistance through disassembly-free ground lead | |
| CN106980035A (en) | Three-phase electric energy meter auxiliary terminal block | |
| CN208400777U (en) | A kind of pole can be improved electrical insulation properties | |
| CN203192684U (en) | Integrated solid-sealed polar pole for intellectualized circuit breaker | |
| CN206003620U (en) | A kind of contact box current transformer | |
| CN201860065U (en) | Glue-impregnated capacitance type direct-current wall bushing | |
| CN209072090U (en) | A kind of self-energizing Intelligent fault isolating device | |
| CN207896616U (en) | Bus duct unit and bus duct are grounded mains system | |
| CN201036161Y (en) | Three-phase pouring type combined transformer | |
| CN107040286A (en) | A kind of enhanced power carrier signal sensor | |
| CN209786611U (en) | Metering handcart of high-voltage switch cabinet | |
| CN201828590U (en) | Lead seal-screwed anti-electricity theft electricity metering cabinet | |
| CN207868779U (en) | A kind of inner cone plugging formula solid insulated busbar terminal | |
| CN111613975A (en) | High-voltage isolation device for cable inlet and outlet wire column of standby ring main unit | |
| CN208476977U (en) | Transformer high-voltage pile crown tests electrode and transformer | |
| CN208043914U (en) | Insulating formula electric wire netting safety precaution test bar | |
| CN208045791U (en) | A kind of high-voltage connecting wire box | |
| CN205786881U (en) | A kind of electric instrument | |
| CN202749204U (en) | Shrapnel type extractor device of high-voltage bushing end screen | |
| CN205863463U (en) | A kind of lightning protection device and the special double-legged high power horizontal type electric connector of lightning protection device | |
| CN203039239U (en) | Fuse insulating cylinder for solid insulating ring main unit | |
| CN215118738U (en) | Novel grounding switch of common-box bus structure of high-voltage combined electrical appliance | |
| CN205811535U (en) | A kind of anti-interference thunder resisting equipment | |
| CN205791554U (en) | A kind of 35kV compact assembling shunt capacitor 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |