CN205406270U - Power type current transformer - Google Patents
Power type current transformer Download PDFInfo
- Publication number
- CN205406270U CN205406270U CN201620163553.3U CN201620163553U CN205406270U CN 205406270 U CN205406270 U CN 205406270U CN 201620163553 U CN201620163553 U CN 201620163553U CN 205406270 U CN205406270 U CN 205406270U
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- CN
- China
- Prior art keywords
- iron core
- current transformer
- shell
- power
- type current
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- Expired - Fee Related
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Abstract
The utility model provides a power type current transformer, including the shell with set up the iron core in the shell, the shell is the column, and its cross -section includes ring portion and trapezoidal portion, and trapezoidal position is given prominence to on the outer loop of ring portion and outwards, and the middle part of ring portion has an axially extending bore who is used for passing transmission cable, the iron core is the ring -type, for metallic glass material iron core, twines secondary coil on the iron core, winding secondary coil's the iron core ring portion of being fixed in the shell through epoxy resin filled. The utility model provides a pair of power type current transformer for on the high voltage transmission lines of cable transmission of electricity, its output capacity requires lessly, does not need in the installation to carry out any change, installation convenient and fast and safe and reliable to former circuit, its output voltage is comparatively stable, has just ensured effectively to receive the safe in utilization of electric device, can be as the output source of power.
Description
Technical field
This utility model relates to transformer field, is specifically related to a kind of power-type current transformer.
Background technology
When making out-put supply, the principle of voltage transformer generally can be adopted to make.When installing voltage transformer at the scene, the primary winding line that must follow up effectively to connect.If inlet wire is 10KV voltage circuit, voltage transformer must take into the installation method of enough safe distances and safety when connecting, it is easy to produces major safety risks.
Discovery is studied, if the principle of Current Transformer makes out-put supply, it is possible in certain degree, solve safety problem through inventor.But, in the market but without a kind of current transformer meeting instructions for use.
Utility model content
The purpose of this utility model is in that, for problems of the prior art, it is provided that the power-type current transformer that a kind of secondary output voltage is relatively stable.
For achieving the above object, this utility model is by the following technical solutions:
A kind of power-type current transformer, including shell and the iron core being arranged in shell；Described shell is column, and its cross section includes annular portion and trapezoidal portion, and trapezoidal portion is positioned on the outer shroud of annular portion and outwardly, the middle part of annular portion has one for the axially extending bore through power transmission cable；Described iron core in the form of a ring, for amorphous alloy material iron core, iron core is wound around secondary coil；The iron core being wound around secondary coil is fixed on the annular portion of shell by epoxy resin encapsulated.
Further, described iron core has two, and said two iron core is axially distributed in the annular portion of shell and is not in contact with each other.
Further, the secondary coil on iron core it is wound in no less than 200 circles.
Further, the annular portion of described shell rectangular in cross-section vertically, described iron core cross section vertically is also rectangular.
Further, described iron core area of section vertically is not less than 700 square millimeters.
Further, the end face of described shell is provided with binding post, and described binding post is arranged at annular portion and the joint in trapezoidal portion；Binding post is connected with the secondary coil on iron core.
Further, the end face of described shell is provided with two groups of binding posts, and described binding post is arranged at annular portion and the joint in trapezoidal portion；Two groups of binding posts are connected with the secondary coil on two iron cores respectively.
Further, mutually insulated between said two iron core.
A kind of power-type current transformer that this utility model provides, for the high-tension line of cable power transmission, its output capacity requires less, does not need former circuit is carried out any change in installation process, and installation process is convenient and safe reliably；Its output voltage is relatively stable, has just effectively ensured the use safety by electric device, it is possible to as the output source of power supply.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of power-type current transformer that this utility model provides.
Fig. 2 is the cross section structure schematic diagram of a kind of power-type current transformer that this utility model provides.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is described in detail.
As it is shown in figure 1, a kind of power-type current transformer that this utility model provides, including shell 2 and the iron core 3 being arranged in shell 2；Described shell 2 is in column, and its cross section includes annular portion and trapezoidal portion, and trapezoidal portion is positioned on the outer shroud of annular portion and outwardly, the middle part of annular portion has one for the axially extending bore through power transmission cable 1；Described iron core 3 in the form of a ring, for amorphous alloy material iron core, iron core 3 is wound around secondary coil 5；The iron core 3 being wound around secondary coil 5 is fixed on the annular portion of shell 2 by epoxy resin 4 embedding.
Further, the end face of described shell 2 is provided with binding post 6, and described binding post 6 is arranged at annular portion and the joint in trapezoidal portion；Binding post 6 is connected with the secondary coil 5 on iron core 3.
Trapezoidal portion on described shell 1 may be used for the line between arrangement binding post 6 and secondary coil 5 on the one hand, can also arrange fixing hole on the other hand, be used for fixedly mounting power-type current transformer in the plane in trapezoidal portion.
Further, the secondary coil 5 on iron core 3 it is wound in no less than 200 circles.In the present embodiment, the secondary coil 5 being wound on iron core 3 is 200 circles.
This utility model adopts the amorphous alloy material of high magnetic conduction to do the iron core 3 of current transformer, coordinate the secondary coil 5 of 200 circles, can when Primary Conductor (i.e. power transmission cable 1) be by relatively low electric current (below 10A), just can induce high voltage (more than 20V, and being directly proportional to the number of turn of secondary coil 5) on secondary coil 5.
The amorphous alloy material adopting high magnetic conduction does another of the iron core 3 of current transformer and is characterized as being and is easily saturated, and after arriving saturation point, the induced voltage of secondary coil 5 will not raise again；Namely secondary output voltage can be maintained in certain scope (between about 20 to 50V).Along with the change of primary current, the voltage amplitude of secondary coil 5 output there will not be too big change.Owing to output voltage is relatively stable, just effectively ensure the use safety by electric device, it is possible to as the output source of power supply.
Owing to the capacity of current transformer output is relatively small, it is possible to the area of section of the number of turn and increasing iron core 3 by improving secondary coil 5 obtains the output of larger capacity.
As in figure 2 it is shown, in the present embodiment, the annular portion of described shell 2 rectangular in cross-section vertically, described iron core 3 cross section vertically is also rectangular；Described iron core 3 area of section vertically is not less than 700 square millimeters.
Further, in the present embodiment, described iron core 3 has two, and said two iron core 3 is axially distributed in the annular portion of shell 2 and is not in contact with each other.Said two iron core 3 stacks but mutually insulated naturally.Two iron cores 3 are set and both can increase output capacity, it is also possible to meet user demand when two power supplys need to be provided.
Accordingly, the end face of described shell 2 is provided with two groups of binding posts 6, and described two groups of binding posts 6 may be contained within annular portion and the joint in trapezoidal portion；Two groups of binding posts 6 are connected with the secondary coil 5 on two iron cores 3 respectively.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (8)
1. a power-type current transformer, it is characterised in that include shell and the iron core being arranged in shell；Described shell is column, and its cross section includes annular portion and trapezoidal portion, and trapezoidal portion is positioned on the outer shroud of annular portion and outwardly, the middle part of annular portion has one for the axially extending bore through power transmission cable；Described iron core in the form of a ring, for amorphous alloy material iron core, iron core is wound around secondary coil；The iron core being wound around secondary coil is fixed on the annular portion of shell by epoxy resin encapsulated.
2. power-type current transformer according to claim 1, it is characterised in that described iron core has two, said two iron core is axially distributed in the annular portion of shell and is not in contact with each other.
3. power-type current transformer according to claim 1, it is characterised in that be wound in the secondary coil on iron core no less than 200 circles.
4. power-type current transformer according to claim 1, it is characterised in that the annular portion of described shell rectangular in cross-section vertically, described iron core cross section vertically is also rectangular.
5. power-type current transformer according to claim 4, it is characterised in that described iron core area of section vertically is not less than 700 square millimeters.
6. power-type current transformer according to claim 1, it is characterised in that the end face of described shell is provided with binding post, described binding post is arranged at annular portion and the joint in trapezoidal portion；Binding post is connected with the secondary coil on iron core.
7. power-type current transformer according to claim 2, it is characterised in that the end face of described shell is provided with two groups of binding posts, described binding post is arranged at annular portion and the joint in trapezoidal portion；Two groups of binding posts are connected with the secondary coil on two iron cores respectively.
8. power-type current transformer according to claim 2, it is characterised in that mutually insulated between said two iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163553.3U CN205406270U (en) | 2016-03-03 | 2016-03-03 | Power type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163553.3U CN205406270U (en) | 2016-03-03 | 2016-03-03 | Power type current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406270U true CN205406270U (en) | 2016-07-27 |
Family
ID=56444507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620163553.3U Expired - Fee Related CN205406270U (en) | 2016-03-03 | 2016-03-03 | Power type current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205406270U (en) |
-
2016
- 2016-03-03 CN CN201620163553.3U patent/CN205406270U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160727 Termination date: 20210303 |