CN207587504U - A kind of MPO sampling current transformers - Google Patents
A kind of MPO sampling current transformers Download PDFInfo
- Publication number
- CN207587504U CN207587504U CN201721664678.5U CN201721664678U CN207587504U CN 207587504 U CN207587504 U CN 207587504U CN 201721664678 U CN201721664678 U CN 201721664678U CN 207587504 U CN207587504 U CN 207587504U
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- sampling
- mpo
- coil case
- groove
- interface
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Abstract
The utility model discloses a kind of MPO sampling current transformers, including coil case, pedestal, electricity taking coil, connecting plate, sampling module, interface, connector and optical fiber cable, coil case bottom is installed with pedestal, electricity taking coil is installed with inside coil case, coil case outer surface is provided with groove A, connecting plate is fixedly installed in groove A, chassis interior is installed with sampling module, pedestal side is provided with groove B, interface is fixedly installed in groove B, connector one end and interface can plug be connected, the connector other end is fixedly linked with optical fiber cable, the utility model is rational in infrastructure, sample rate is faster, it is more convenient, sample mode is more, it can be sampled by network remote, it is more convenient compared with traditional approach.
Description
Technical field
The utility model is related to transformer technical field, specially a kind of MPO sampling current transformers.
Background technology
Primary side high current is converted into secondary side low current to measure by current transformer according to electromagnetic induction principle
Instrument.Current transformer is made of the iron core and winding being closed.Its first side winding number of turn is seldom, and going here and there is needing what is measured
In the circuit of electric current.
Therefore its whole electric current for often having circuit flows through, and secondary side winding turn ratio is more, be serially connected in measuring instrumentss with
In protective loop, at work, its secondary side circuit is to be closed, therefore measuring instrumentss and protect back always to current transformer
The impedance very little of road series coil, the close short circuit of working condition of current transformer.Current transformer is primary side high current
Secondary side low current is converted into measure, secondary side can not open a way.
Current transformer principle is according to electromagnetic induction principle.Current transformer is the iron core and winding group by being closed
Into.Its first winding number of turn is seldom, goes here and there in the circuit of electric current for needing to measure, therefore it often has whole electric currents of circuit
Flow through, secondary winding turn ratio is more, is serially connected in measuring instrumentss and protective loop, current transformer at work, its two
Minor loop is to be closed, therefore measuring instrumentss and the impedance very little of protective loop series coil always, the work of current transformer
The close short circuit of state
The sampling current transformer used at present is sampled by lead, and this mode is only used for profession sampling and sets
It is standby, it is not very convenient, it would therefore be highly desirable to which a kind of improved technology solves the problems, such as this in the presence of the prior art.
Utility model content
The purpose of this utility model is to provide a kind of MPO sampling current transformers, and using Optical fibre sampling, sample rate is more
Soon, it is more convenient；Due to the use of Optical fibre sampling, sample mode is more diversified, can be sampled by network remote, more traditional side
Formula is more convenient, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution：A kind of MPO sampling current transformers, including
Coil case, pedestal, electricity taking coil, connecting plate, sampling module, interface, connector and optical fiber cable, coil case bottom are fixedly mounted
There is pedestal, electricity taking coil is installed with inside coil case, coil case outer surface is provided with groove A, and connecting plate fixes peace
Loaded in groove A, chassis interior is installed with sampling module, and pedestal side is provided with groove B, and interface is fixedly installed in groove B
It is interior, connector one end and interface can plug be connected, the connector other end is fixedly linked with optical fiber cable.
Preferably, coil case is circular ring shape, and coil case is adopted made of plastic.
Preferably, electricity taking coil includes iron core and copper wire, and iron core leads iron core by height and be made, and iron core is circular ring shape, copper wire packet
It is wrapped on the outside of iron core.
Preferably, connecting plate includes plate face, screw, iron hoop and nut, and plate face surface is provided with several aperture A, aperture A insides
Surface is provided with spiral lamination, and screw is movably set in aperture A, and screw is located at plate face lateral ends and is provided with iron hoop, screw position
It is provided with nut on one side on the inside of plate face.
Preferably, sampling module includes housing, circuit board, sampling A/D chip, connecting line and electric power storage box, and circuit board is fixedly mounted
In in housing, circuit board upper surface is installed with sampling A/D chip, and circuit board another side is fixedly linked with electric power storage box, housing side
Aperture B is provided with, connecting line one end is connected with circuit board, and the connecting line other end is connected across aperture B in interface.
Compared with prior art, the beneficial effects of the utility model are：
(1) connector one end and interface can plug be connected, the connector other end is fixedly linked with optical fiber cable, is adopted using optical fiber
Sample, sample rate are faster, more convenient.
(2) due to the use of Optical fibre sampling, sample mode is more, can be sampled by network remote, compared with traditional approach more
It is convenient.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is electricity taking coil structure diagram.
Fig. 3 is connecting board structure schematic diagram.
Fig. 4 is sampling module structure diagram.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of MPO sampling current transformers, including coil outside
Shell 1, pedestal 2, electricity taking coil 3, connecting plate 4, sampling module 5, interface 6, connector 7 and optical fiber cable 8,1 bottom of coil case are fixed
Pedestal 2 is installed, electricity taking coil 3 is installed with inside coil case 1,1 outer surface of coil case is provided with groove A, connection
Plate 4 is fixedly installed in groove A, and sampling module 5 is installed with inside pedestal 2, and 2 side of pedestal is provided with groove B, and interface 6 is solid
Dingan County loaded in groove B, 7 one end of connector and interface 6 can plug be connected, 7 other end of connector is fixedly linked with optical fiber cable 8.
As shown in Fig. 2, electricity taking coil 3 includes iron core 31 and copper wire 32, iron core 31 is led iron core by height and is made, and iron core 31 is circle
Annular, copper wire 32 are wrapped in 31 outside of iron core.
As shown in figure 3, connecting plate 4 includes plate face 41, screw 42, iron hoop 43 and nut 44,41 surface of plate face is provided with several
Aperture A, aperture A inner surfaces are provided with spiral lamination 42, and screw 42 is movably set in aperture A, and screw 42 is located at outside plate face 41
Side one end is provided with iron hoop 43, and screw 42 is located on the inside of plate face is provided with nut 44 on one side.
As shown in figure 4, sampling module 5 includes housing 51, circuit board 52, sampling A/D chip 53, connecting line 54 and electric power storage box 55,
Circuit board 52 is fixedly installed in housing 51, and 52 upper surface of circuit board is installed with sampling A/D chip 53,52 another side of circuit board
It is fixedly linked with electric power storage box 55,51 side of housing is provided with aperture B, and 54 one end of connecting line is connected with circuit board 52, and connecting line 54 is another
One end passes through aperture B to be connected in interface 6.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of MPO sampling current transformers, it is characterised in that：Including coil case, pedestal, electricity taking coil, connecting plate, sampling
Module, interface, connector and optical fiber cable, the coil case bottom are installed with pedestal, peace are fixed inside the coil case
Equipped with electricity taking coil, the coil case outer surface is provided with groove A, and the connecting plate is fixedly installed in groove A, the bottom
Seat is internal to be installed with sampling module, and the pedestal side is provided with groove B, and the interface is fixedly installed in groove B, described
Connector one end and interface can plug be connected, the connector other end is fixedly linked with optical fiber cable.
2. a kind of MPO sampling current transformers according to claim 1, it is characterised in that：The coil case is annulus
Shape, the coil case are adopted made of plastic.
3. a kind of MPO sampling current transformers according to claim 1, it is characterised in that：The electricity taking coil includes iron
Core and copper wire, the iron core are led iron core by height and are made, and the iron core is circular ring shape, and the copper wire is wrapped on the outside of the iron core.
4. a kind of MPO sampling current transformers according to claim 1, it is characterised in that：The connecting plate include plate face,
Screw, iron hoop and nut, the plate face surface are provided with several aperture A, and the aperture A inner surfaces are provided with spiral lamination, described
Screw is movably set in aperture A, and the screw is located at plate face lateral ends and is provided with iron hoop, and the screw is located on the inside of plate face
It is provided with nut on one side.
5. a kind of MPO sampling current transformers according to claim 1, it is characterised in that：The sampling module includes shell
Body, circuit board, sampling A/D chip, connecting line and electric power storage box, the circuit board are fixedly installed in housing, the circuit board upper surface
Sampling A/D chip is installed with, the circuit board another side is fixedly linked with electric power storage box, and the housing side is provided with aperture B, institute
It states connecting line one end with circuit board to be connected, the connecting line other end is connected across aperture B in the interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664678.5U CN207587504U (en) | 2017-12-04 | 2017-12-04 | A kind of MPO sampling current transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664678.5U CN207587504U (en) | 2017-12-04 | 2017-12-04 | A kind of MPO sampling current transformers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587504U true CN207587504U (en) | 2018-07-06 |
Family
ID=62735435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721664678.5U Expired - Fee Related CN207587504U (en) | 2017-12-04 | 2017-12-04 | A kind of MPO sampling current transformers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207587504U (en) |
-
2017
- 2017-12-04 CN CN201721664678.5U patent/CN207587504U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20181204 |