CN206236536U - Current transformer - Google Patents
Current transformer Download PDFInfo
- Publication number
- CN206236536U CN206236536U CN201621174856.1U CN201621174856U CN206236536U CN 206236536 U CN206236536 U CN 206236536U CN 201621174856 U CN201621174856 U CN 201621174856U CN 206236536 U CN206236536 U CN 206236536U
- Authority
- CN
- China
- Prior art keywords
- housing
- current transformer
- transformer according
- permanent magnet
- collecting unit
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 9
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model relates to a current transformer, including first casing and the second casing that all embeds there is the iron core, first casing and second casing set up relatively and cooperate and form the central through-hole that is used for placing the wire of being surveyed, the one end of first casing and the one end rotatable coupling of second casing, the other end of first casing is equipped with first permanent magnet, the other end of second casing is equipped with the second permanent magnet that sets up relatively and inter attraction with first permanent magnet. During installation, the first shell and the second shell are opened, then the tested lead is placed in the central through hole, then the first shell and the second shell are closed, the first shell and the second shell are firmly fixed together through mutual attraction of the first permanent magnet and the second permanent magnet, the first shell and the second shell are not required to be connected through bolts, on-site installation and disassembly are facilitated, magnetic resistance on an iron core is reduced, and a calibration result is more accurate.
Description
Technical field
The utility model is related to high voltage electrical apparatus technical field, more particularly to a kind of current transformer.
Background technology
Current transformer is the important primary equipment of transformer station, and currently the method for calibration to transformer is generally under power down mode
Offline verification, it is necessary to place line outage, check-verifying period is long, operate more complicated.Particularly with electronic mutual inductor, it is impossible to
Verified by secondary survey, it is necessary to which primary side up-flow is carried out by strong current generator.For the ease of installing, general use is opened at present
Mouth formula current transformer carries out powered on-line testing, but the connected mode of existing open type current transformer dismounting is that bolt connects
Connect, thus during powered displacement current transformer, be not easy to in-site installation dismounting.
Utility model content
The purpose of this utility model is to provide a kind of current transformer, and in-site installation can be easy to dismantle, and structure jail
Lean on.
To realize the purpose of this utility model, adopt the technical scheme that：
A kind of current transformer, including built-in cored the first housing and the second housing, the first housing and second shell
Body is oppositely arranged and cooperatively forms the central through hole for placing tested wire, one end of the first housing and the one of the second housing
End is rotatably connected, and the other end of the first housing is provided with the first permanent magnet, and the other end of the second housing is provided with and the first permanent magnet
The second permanent magnet for being oppositely arranged and attracting each other.
During installation, the first housing and the second housing are opened, tested wire is then put into central through hole position again, afterwards
First housing and the second housing are closed, and attracting each other by the first permanent magnet and the second permanent magnet, make the first housing and
Second housing is clamped securely to together, without being bolted, is easy to in-site installation to dismantle, and reduces the magnetic on iron core
Resistance, makes check results more accurate.
Technical scheme is further illustrated below：
It is further that the first housing and the second housing are equipped with the accommodating chamber for housing iron core and connect with accommodating chamber
Logical screwed hole, screwed hole is threaded with regulating part.Movement by regulating part on screwed hole, regulation iron core is in accommodating chamber
Position, it is ensured that the first housing and the second housing align in the section for closing latter two iron core, make check results more accurate.
It is further that the first housing and the second housing are equipped with multiple screwed holes, and screwed hole is uniform around central through hole
Arrangement.
It is further that current transformer is also included for gathering analog signal and converting analog signals into optical signal
Collecting unit, collecting unit is fixed on the first housing.Optical signal is converted analog signals into by acquisition module, is believed using light
Number transmission, make to be influenceed smaller by strong electromagnetic in transformer station.
It is further that collecting unit is including the analog signal input module for gathering analog signal, for that will simulate
Signal is converted to the AD conversion module of data signal, the MICROCOMPUTER PROCESSING module for converting digital signals into optical signal and uses
In the optical signal output module for exporting optical signal.Electromagnetic interference can be prevented effectively from transmitting procedure influence is produced on signal.
It is further that current transformer also includes the transmission cable electrically connected with collecting unit, and collecting unit is by passing
Lose cable and Background communication.
It is further that current transformer also includes insulating bar, and one end of insulating bar is connected with the second housing.By insulation
Bar controls the folding of the first housing and the second housing, makes the folding of the first housing and the second housing simpler.
It is further that the first housing and the second housing are aluminium material.First housing and the second case material use aluminium, no
Magnetic conduction, there is stronger mechanical strength, and good appearance, makes the structure of current transformer more firm.
It is further that current transformer also includes connecting shaft, and the first housing and the second housing are equipped with and match somebody with somebody with connecting shaft
The connecting hole of conjunction.Two housings are connected by connecting shaft, make the rotation of the first housing and the second housing more smooth, folding with convenience,
It is more convenient for operating.
It is further that the first housing and the second housing are semicircular structure.After first housing and the second housing are closed
Structure annular in shape is compressed, is made regularly more firm.
Compared with prior art, the utility model has the advantages that：
The utility model when mounted, the first housing and the second housing is opened, and tested wire then is put into center again
Lead to the hole site, afterwards closes the first housing and the second housing, and attracting each other by the first permanent magnet and the second permanent magnet,
The first housing and the second housing is clamped securely to together, without being bolted, be easy to in-site installation to dismantle, and reduce
Magnetic resistance on iron core, makes check results more accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment current transformer；
Fig. 2 is each module connection diagram of the utility model embodiment collecting unit.
Description of reference numerals：
10. the first housing, 110. connecting holes, 20. second housings, 30. central through holes, 40. first permanent magnets, 50. second
Permanent magnet, 60. screwed holes, 70. connecting shafts, 80. insulating bars, 90. collecting units, 910. analog signal input modules, 920.AD
Modular converter, 930. MICROCOMPUTER PROCESSING modules, 940. optical signal output modules, 950. transmission cables.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of current transformer, including built-in cored (accompanying drawing is not identified) the first housing 10 and
Two housings 20, the first housing 10 and the second housing 20 are oppositely arranged and cooperatively form the central through hole for placing tested wire
30, one end of the first housing 10 is rotatably connected with one end of the second housing 20, and the other end of the first housing 10 is provided with first forever
Magnet 40, the other end of the second housing 20 is provided with the second permanent magnet 50 for being oppositely arranged and attracting each other with the first permanent magnet 40.
During installation, the first housing 10 and the second housing 20 are opened, tested wire is then put into central through hole 30 again
Put, afterwards close the first housing 10 and the second housing 20, and by the mutual suction of the first permanent magnet 40 and the second permanent magnet 50
Draw, the first housing 10 and the second housing 20 is clamped securely to together, without being bolted, be easy to in-site installation to tear open
Unload, and reduce the magnetic resistance on iron core, make check results more accurate.
In the present embodiment, the first housing 10, the second housing 20 and two iron cores are semicircular structure, the first housing 10
Structure annular in shape is compressed after being closed with the second housing 20, and core section aligns and also compresses and forms cyclic structure, makes regularly
It is more firm.And first housing 10 and the second housing 20 be aluminium material, the first housing 10 and the material of the second housing 20 use aluminium, do not lead
Magnetic, there is stronger mechanical strength, and good appearance, makes the structure of current transformer more firm.First housing 10 and the second housing
20 can also according to actual needs be set to other shapes and material.
As shown in figure 1, the first housing 10 and the second housing 20 are equipped with for the accommodating chamber that houses iron core, and (accompanying drawing is not marked
Know) and the screwed hole 60 that is connected with accommodating chamber, screwed hole 60 is threaded with regulating part (accompanying drawing is not identified).By regulating part
Movement on screwed hole 60, regulation iron core is in the position of accommodating chamber, it is ensured that the first housing 10 and the second housing 20 are after closing
The section of two iron cores is perfectly aligned, makes check results more accurate.
In the present embodiment, regulating part is bolt, and the first housing 10 and the second housing 20 are equipped with three screwed holes 60, three
Individual screwed hole 60 is evenly arranged around central through hole 30, and screwed hole 60 can also according to actual needs set more than one.
As shown in figure 1, current transformer also includes connecting shaft 70, the first housing 10 and the second housing 20 are equipped with and are connected
The connecting hole 110 that axle 70 coordinates.Two housings are connected by connecting shaft 70, and the surface of two housings is fitted completely when closing, point
Expanded angle can be selected according to actual conditions when opening, it is maximum up to 90 °, the rotation of the first housing 10 and the second housing 20 is more flowed
Freely, folding with convenience, operation of being more convenient for.First housing 10 and the second housing 20 can also according to actual needs using gemel connection etc.
Other modes that are rotatably connected.
As shown in figure 1, current transformer also includes insulating bar 80, one end of insulating bar 80 is connected with the second housing 20.It is logical
The folding that insulating bar 80 controls the first housing 10 and the second housing 20 is crossed, makes the folding of the first housing 10 and the second housing 20 simpler
It is single.The size of insulating bar 80 can be adjusted according to different voltage class, make the test of the applicable different voltage class of current transformer
It is required that.
In the present embodiment, it is connected through a screw thread between the housing 20 of insulating bar 80 and second, is easily installed and dismantles, and absolutely
The side for being located proximate to connecting shaft 70 that edge bar 80 is connected with the second housing 20, makes operation more laborsaving.Insulating bar 80 can be with root
It is connected with the other positions of the second housing 20 according to being actually needed, it is also possible to according to actual needs using the other modes such as being welded and fixed
It is connected with the second housing 20.
As shown in figure 1, current transformer is also included for gathering analog signal and converting analog signals into optical signal
Collecting unit 90, collecting unit 90 is fixed on the first housing 10.Optical signal is converted analog signals into by acquisition module, is adopted
With optical signal transmission, make to be influenceed smaller by strong electromagnetic in transformer station.
In the present embodiment, as shown in Fig. 2 collecting unit 90 includes the analog signal input mould for gathering analog signal
Block 910, the AD conversion module 920 for converting analog signals into data signal, for converting digital signals into optical signal
MICROCOMPUTER PROCESSING module 930 and the optical signal output module 940 for optical signal to be exported, can effectively be kept away in transmitting procedure
Exempt from electromagnetic interference and influence is produced on signal.
As shown in figure 1, current transformer also includes the transmission cable 950 electrically connected with collecting unit 90, collecting unit 90
By transmission cable 950 and Background communication.Current transformer can also according to actual needs set wireless connection module and backstage
The other modes such as wireless connection and Background communication.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of current transformer, it is characterised in that including built-in cored the first housing and the second housing, described first
Housing and the second shell body are oppositely arranged and cooperatively form the central through hole for placing tested wire, first housing
One end be rotatably connected with one end of second housing, the other end of first housing is provided with the first permanent magnet, described
The other end of the second housing is provided with the second permanent magnet for being oppositely arranged and attracting each other with first permanent magnet.
2. current transformer according to claim 1, it is characterised in that first housing and second housing are all provided with
There are the accommodating chamber for housing the iron core and the screwed hole connected with the accommodating chamber, the screwed hole is threaded with tune
Section part.
3. current transformer according to claim 2, it is characterised in that first housing and second housing are all provided with
There are multiple screwed holes, the screwed hole is evenly arranged around the central through hole.
4. current transformer according to claim 1, it is characterised in that also including for gathering analog signal and will be described
Analog signal is converted into the collecting unit of optical signal, and the collecting unit is fixed on first housing.
5. current transformer according to claim 4, it is characterised in that the collecting unit is included for gathering simulation letter
Number analog signal input module, the AD conversion module for converting analog signals into data signal, for by data signal
Be converted to the MICROCOMPUTER PROCESSING module and the optical signal output module for optical signal to be exported of optical signal.
6. current transformer according to claim 4, it is characterised in that the also biography including being electrically connected with the collecting unit
Cable is lost, the collecting unit passes through the transmission cable and Background communication.
7. current transformer according to claim 1, it is characterised in that also including insulating bar, one end of the insulating bar
It is connected with second housing.
8. the current transformer according to any one of claim 1 to 7, it is characterised in that first housing and described
Two housings are aluminium material.
9. the current transformer according to any one of claim 1 to 7, it is characterised in that also including connecting shaft, described first
Housing and second housing are equipped with the connecting hole coordinated with the connecting shaft.
10. the current transformer according to any one of claim 1 to 7, it is characterised in that first housing and described
Two housings are semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621174856.1U CN206236536U (en) | 2016-10-26 | 2016-10-26 | Current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621174856.1U CN206236536U (en) | 2016-10-26 | 2016-10-26 | Current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206236536U true CN206236536U (en) | 2017-06-09 |
Family
ID=58982944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621174856.1U Active CN206236536U (en) | 2016-10-26 | 2016-10-26 | Current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206236536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110660573A (en) * | 2019-11-01 | 2020-01-07 | 锱云(上海)物联网科技有限公司 | Non-contact disassembly detection mutual inductor |
-
2016
- 2016-10-26 CN CN201621174856.1U patent/CN206236536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110660573A (en) * | 2019-11-01 | 2020-01-07 | 锱云(上海)物联网科技有限公司 | Non-contact disassembly detection mutual inductor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201681143U (en) | Online monitoring device for mechanical characteristic of high-voltage circuit breaker | |
| CN103487780A (en) | System and method for testing GIS electronic transformer | |
| CN103426620B (en) | Open-close type electronic current transformer | |
| CN207051383U (en) | A kind of intelligent apparatus for avoiding electricity fraudulent | |
| CN206236536U (en) | Current transformer | |
| CN207114629U (en) | Power acquirer | |
| CN106841959A (en) | For the intelligent high frequency local discharge sensor of power cable Partial Discharge Detection | |
| CN102313879B (en) | Electronic current transformer on-line checking system based on double-clamp current coil | |
| CN104133103A (en) | Device for monitoring overhead wire load currents | |
| CN108318732A (en) | A kind of transformer iron core grounding current on-Line Monitor Device and method | |
| CN206248799U (en) | A kind of battery test system | |
| CN109738680B (en) | Three-phase electric energy meter measuring box and test system | |
| CN205910235U (en) | Modified multiepitope meter case | |
| CN104330596A (en) | Mobile direct-current contamination test power supply system | |
| CN204142784U (en) | Movable DC contamination experiment power supply system | |
| CN208013320U (en) | Underground electric network distant place earth leakage protective experimental rig with function of wireless remote control | |
| CN203659568U (en) | Electromagnetic current transformer demagnetization device | |
| CN207199074U (en) | For debugging the portable terminal device and electric-power metering terminal system of electric-power metering terminal | |
| CN206649114U (en) | A kind of servicing unit for switch cubicle midium voltage cable partial discharge detection | |
| CN208156507U (en) | The Performance Test System of switch controller is automated on column | |
| CN208078664U (en) | A kind of geomantic omen storage complementary power generation system control device | |
| CN207882332U (en) | system for detecting transformer iron core grounding current | |
| CN110275045A (en) | A kind of devices and methods therefor detecting rotating cycle and direction | |
| CN205985812U (en) | Intelligent control cabinet | |
| CN208820785U (en) | Downhole communication transferring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210811 Address after: 510663 3 building, 3, 4, 5 and J1 building, 11 building, No. 11, Ke Xiang Road, Luogang District Science City, Guangzhou, Guangdong. Patentee after: China South Power Grid International Co.,Ltd. Patentee after: SIFANG JIBAO (WUHAN) SOFTWARE CO.,LTD. Address before: 510663 No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: China South Power Grid International Co.,Ltd. Patentee before: SIFANG JIBAO (WUHAN) SOFTWARE CO.,LTD. |