CN204884846U - Pincerlike zero sequence current transformer - Google Patents
Pincerlike zero sequence current transformer Download PDFInfo
- Publication number
- CN204884846U CN204884846U CN201520518696.7U CN201520518696U CN204884846U CN 204884846 U CN204884846 U CN 204884846U CN 201520518696 U CN201520518696 U CN 201520518696U CN 204884846 U CN204884846 U CN 204884846U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- magnetic coil
- pincerlike
- zero sequence
- sequence current
- 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.)
- Active
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 39
- 230000006698 induction Effects 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model discloses a pincerlike zero sequence current transformer belongs to electric power response equipment technical field, including the base, press from both sides with base fixed connection's left side response, press from both sides with base swivelling joint's right side response, left side response is pressed from both sides including the left casing of fixed mounting on the base, is installed the left magnetic coil in left casing, right side response is pressed from both sides including the right casing of movable mounting on the base, is installed at the inside right magnetic coil of right casing, is established at the handle of right casing and the link of base, is established the right spacing post on the handle, being equipped with left spacing post in the base, being equipped with the pivot on the handle, the position that corresponds with the pivot in the base is equipped with the stand, the pivot is cup jointed on the stand, overlaps on the pivot outer wall to be equipped with the spring, both ends and the left spacing post and the right spacing support connnection of spring. But above -mentioned pincerlike zero sequence current transformer can change alone and use hot -line operation, can directly press from both sides the cover on insulating power cord, rational in infrastructure, install convenient to use.
Description
Technical field
The utility model relates to eletric power induction equipment technical field, particularly a kind of pincerlike zero sequence current mutual inductor.
Background technology
Traditional zero-sequence transformer is current transformer with single-turn cored structure, be generally used for electrical protection apparatus as: Small Electric Current Earthing And Routing Device, microcomputer harmonic elimination device etc. support the use.Traditional zero-sequence transformer structure is square closed or round sealed formula substantially.Can not change separately because existing current transformer local device damages, once parts damages, whole instrument transformer will be scrapped, thus causes equipment cost waste.And the wiring of main power source protection switch must be taken apart when traditional zero-sequence transformer is installed, zero-sequence transformer is inserted in power line, the tighter mains switch screw of bolt could use, have during electricity and must power-off could use, disassembly process bothers.
In view of this, the present inventor studies this, and develop a kind of pincerlike zero-sequence transformer specially, this case produces thus.
Utility model content
The purpose of this utility model be to provide a kind of can change separately use, can hot line job, can directly chuck on the power line of insulation, pincerlike zero sequence current mutual inductor rational in infrastructure, easy to install.
To achieve these goals, solution of the present utility model is:
A kind of pincerlike zero sequence current mutual inductor, comprise pedestal, be fixedly connected with described pedestal left respond to press from both sides, be rotatably connected with described pedestal right respond to press from both sides, described left induction folder comprises the left shell be fixedly mounted on pedestal, be arranged on the left magnetic coil in described left shell, described right induction folder comprises the right shell body be movably arranged on pedestal, be arranged on the right magnetic coil of described right shell body inside, be located at the handle of the link of described right shell body and described pedestal, be located at the right limit post on handle, left limit post is provided with in described pedestal, described handle is provided with rotating shaft, in described pedestal, the position corresponding with described rotating shaft is provided with column, described rotating shaft is socketed on described column, described rotating shaft outer wall is arranged with spring, the two ends of described spring are connected with described left limit post and described right limit post, spring is when initial condition, described left induction folder with described away from one end of pedestal rightly responded to the one end pressed from both sides away from pedestal and is connected, form the measured zone closed.
As preferably, described pedestal comprises the upper shell and lower house that are fixedly connected with, and described left limit post is located on described lower house.
As preferably, more than 2 reference columns are provided with in described lower house, be provided with the location hole of construction bolt in described reference column, position corresponding with location hole on described upper shell is provided with the screw of construction bolt, and described upper shell and described lower house are bolted to connection.
As preferably, described upper shell is fixedly connected with by adhesive with described lower house.
As preferably, be provided with the lead-out wire of described left magnetic coil and described right magnetic coil in described pedestal, described pedestal is provided with the cable jack be connected with described lead-out wire.
As preferably, described left magnetic coil is identical with the described right magnetic coil number of turns, and left magnetic coil and described right magnetic coil add up to 1/5th of overall measurement ampere number.
Pincerlike zero sequence current mutual inductor described in the utility model, after the external cord jack on pedestal is connected with electric wire (as: leakage current controller) with external equipment, can be used as a kind of detection leak current fault equipment use.Adopt mobilizable clamp-type structure, break traditional zero-sequence transformer enclosed construction restriction, by pressing, decontrol the opening and closing movement that handle controls right induction folder, be convenient to install, can change separately uses, can hot line job, can directly chuck insulation power line on, can connect leakage current controller detect leak electricity use.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the pincerlike open mode stereogram of the pincerlike zero sequence current mutual inductor of the present embodiment;
Fig. 2 is the present embodiment pincerlike zero sequence current mutual inductor internal structure schematic diagram.
Embodiment
As shown in Figure 1-2, a kind of pincerlike zero sequence current mutual inductor, comprises pedestal 3, the left induction folder 1 be fixedly connected with pedestal 3, and the right induction folder 2 be rotatably connected with pedestal 3; Described left induction folder 1 comprises the left shell 8 be fixedly mounted on pedestal 3, and is arranged on the left magnetic coil 7 in left shell 8, and described right induction folder 2 comprises the right shell body 15 be movably arranged on pedestal 3, and is arranged on the right magnetic coil 14 of right shell body 15 inside.The lead-out wire 10 of described left magnetic coil 7 and right magnetic coil 14 is drawn by the cable jack 12 arranged on pedestal 3, and cable jack 12 is connected with external equipment electric wire 13.In the present embodiment, described pedestal 3 comprises upper shell and lower house 11, wherein, 2 reference columns are provided with in described lower house 11, be respectively left reference column 9 and right reference column 17, be provided with location hole 21 in left reference column 9 and right reference column 17, described upper shell is provided with the screw 4 corresponding with location hole 21, is fixedly mounted on lower house 11 by upper shell by bolt.Upper shell and lower house 11 also can be fixed installation by adhesive.Described left magnetic coil 7 is identical with described right magnetic coil 14 number of turns, coil number of total coils calculates by overall measurement electric current, be generally 1/5th of overall measurement ampere number, as: overall measurement electric current 600A, then left magnetic coil 7 is 120 circles with described right magnetic coil 14 number of turns.
Described right shell body 15 is provided with handle 5 with the link of pedestal 3, described handle 5 is provided with a rotating shaft 16, for simplifying the structure of pedestal 3 inside, rotating shaft 16 can directly be socketed on right reference column 17, and right induction folder 2 can be rotated along right reference column 17, described rotating shaft 16 outer wall is arranged with spring 19, the two ends of spring 19 are equipped with limited post, are respectively left limit post 20 and right limit post 18, wherein, left limit post 20 is fixed on pedestal 3 lower house 11, and right limit post 18 is fixed on handle 5.Spring 19 is by the anglec of rotation of the limited post joystick at two ends, and then control the folding of right induction folder 2, spring 19 is when initial condition, and described left induction folder 1 connects with described right induction folder 2 one end away from pedestal 3 away from one end of pedestal 3, forms the measured zone 6 closed.When pincerlike zero sequence current mutual inductor carry out installing, change time, by fixed handle 5, right induction folder 2 is opened, after installation terminates, decontrol handle 5, right induction folder 2 is under the elastic reaction of spring 19, return to initial closure state, start the drain conditions detecting electric wire.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (6)
1. a pincerlike zero sequence current mutual inductor, comprise pedestal, it is characterized in that: also comprise be fixedly connected with described pedestal left and respond to and press from both sides, be rotatably connected with described pedestal right respond to press from both sides, described left induction folder comprises the left shell be fixedly mounted on pedestal, be arranged on the left magnetic coil in described left shell, described right induction folder comprises the right shell body be movably arranged on pedestal, be arranged on the right magnetic coil of described right shell body inside, be located at the handle of the link of described right shell body and described pedestal, be located at the right limit post on handle, left limit post is provided with in described pedestal, described handle is provided with rotating shaft, in described pedestal, the position corresponding with described rotating shaft is provided with column, described rotating shaft is socketed on described column, described rotating shaft outer wall is arranged with spring, the two ends of described spring are connected with described left limit post and described right limit post, spring is when initial condition, described left induction folder with described away from one end of pedestal rightly responded to the one end pressed from both sides away from pedestal and is connected, form the measured zone closed.
2. pincerlike zero sequence current mutual inductor as claimed in claim 1, is characterized in that: described pedestal comprises the upper shell and lower house that are fixedly connected with, and described left limit post is located on described lower house.
3. pincerlike zero sequence current mutual inductor as claimed in claim 2, it is characterized in that: in described lower house, be provided with more than 2 reference columns, the location hole of construction bolt is provided with in described reference column, position corresponding with location hole on described upper shell is provided with the screw of construction bolt, and described upper shell and described lower house are bolted to connection.
4. pincerlike zero sequence current mutual inductor as claimed in claim 2, is characterized in that: described upper shell is fixedly connected with by adhesive with described lower house.
5. the pincerlike zero sequence current mutual inductor as described in as arbitrary in Claims 1 to 4, it is characterized in that: the lead-out wire being provided with described left magnetic coil and described right magnetic coil in described pedestal, described pedestal is provided with the cable jack be connected with described lead-out wire.
6. the pincerlike zero sequence current mutual inductor as described in as arbitrary in Claims 1 to 4, it is characterized in that: described left magnetic coil is identical with the described right magnetic coil number of turns, left magnetic coil and described right magnetic coil add up to 1/5th of overall measurement ampere number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518696.7U CN204884846U (en) | 2015-07-16 | 2015-07-16 | Pincerlike zero sequence current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518696.7U CN204884846U (en) | 2015-07-16 | 2015-07-16 | Pincerlike zero sequence current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204884846U true CN204884846U (en) | 2015-12-16 |
Family
ID=54829196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520518696.7U Active CN204884846U (en) | 2015-07-16 | 2015-07-16 | Pincerlike zero sequence current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204884846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140011A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Pincers-shaped zero sequence current transformer |
-
2015
- 2015-07-16 CN CN201520518696.7U patent/CN204884846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140011A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Pincers-shaped zero sequence current transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203707525U (en) | Short circuit apparatus for replacement of electric energy meter without power failure | |
| CN203519180U (en) | Wireless temperature on-line monitoring device for cable overlapping terminal | |
| CN202159893U (en) | Switch cabinet provided with zero sequence current transformer | |
| CN204884846U (en) | Pincerlike zero sequence current transformer | |
| CN105140011A (en) | Pincers-shaped zero sequence current transformer | |
| CN201374518Y (en) | Clad withdrawal-type AC metal-enclosed switch cabinet | |
| CN202940463U (en) | Power-supply switching box | |
| CN206671404U (en) | The clamp on amperemeter of installation easy to disassemble | |
| CN204515052U (en) | A kind of cable fault detect device | |
| CN206990758U (en) | A kind of generator unit stator iron loss experimental provision | |
| CN114002561A (en) | Detection device and detection method for transformer bus copper bar insulating sleeve | |
| CN220323507U (en) | Electric leakage detection device convenient to use | |
| CN203026335U (en) | Single-phase voltage transformer with switch | |
| CN2930032Y (en) | Novel high voltage switch cabinet | |
| CN103377819B (en) | A kind of current-voltage transformer | |
| CN207380201U (en) | Auto rectifier bridge testing apparatus | |
| CN105811544B (en) | A kind of portable test power device | |
| CN206076924U (en) | A kind of 330kV transformer neutral point earth protection devices | |
| CN111537800A (en) | Intelligent power transformer dielectric loss factor and insulation resistance measuring device | |
| CN203981717U (en) | A kind of high-voltage switch gear attribute testing auxiliary connection instrument | |
| CN204228803U (en) | A kind of goat action current display device being arranged on running indoor | |
| CN204228766U (en) | Electrical test transfer box | |
| CN203589558U (en) | Draw-out type metering switch device under 10 kV high voltage | |
| CN218158307U (en) | Rapid power-on tester for electric energy meter | |
| CN203839171U (en) | Portable miniature frequency tripling transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |