CN215986224U - Plug-in flexible Roche coil transformer - Google Patents
Plug-in flexible Roche coil transformer Download PDFInfo
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- CN215986224U CN215986224U CN202122596142.7U CN202122596142U CN215986224U CN 215986224 U CN215986224 U CN 215986224U CN 202122596142 U CN202122596142 U CN 202122596142U CN 215986224 U CN215986224 U CN 215986224U
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- rogowski coil
- cover
- shell
- plug
- clamping sleeve
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Abstract
The utility model discloses a plug-in flexible Rogowski coil mutual inductor, which comprises a shell and a Rogowski coil and is characterized in that: one end of the Rogowski coil is fixed on one side of the shell, the other end of the Rogowski coil is wrapped with a clamping sleeve fixed with the end part of the Rogowski coil, the Rogowski coil further comprises a cover which is sleeved on the Rogowski coil and is movably arranged relative to the clamping sleeve, the cover is provided with an internal thread, and the shell is provided with an external thread matched with the internal thread of the cover and a plug-in port matched with the clamping sleeve; the Rogowski coil transformer can surround the coil on a target through a quick plug structure design, the target with a circular or square cross-section structure can be measured based on the flexible Rogowski coil, and the Rogowski coil can quickly and stably form a ring shape due to the structure design of the cover and the clamping sleeve.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a plug-in flexible Roche coil transformer.
Background
The Rogowski coil is also called a current measuring coil and a differential current sensor, and is an annular coil uniformly wound on a non-ferromagnetic material, and a coil shell is wrapped outside the annular coil. Because the Rogowski coil current sensor and the current transducer are in an integrated structure, no matter how large the primary current is, no additional current transformer is needed. And the Rogowski coil current transformer adopts a plug-in type, so that the field connection is convenient, and the tested main loop does not need to be disassembled during the connection. The integrated transmitter has small volume, light weight and good linearity. The input and output of the power supply can be realized by 4-20mA in a passive two-wire system which are isolated from each other, and the working power supply is taken from load DC24V or 12V; the input, output and power supply can be realized, the three ends are mutually isolated, and the working power supply can independently supply DC 24V. The characteristics make it have a series of advantages such as wide measuring range, good insulating properties, wide frequency band, good linearity, no iron core, no magnetic saturation phenomenon, etc., and become a new direction for the development of power transformers.
SUMMERY OF THE UTILITY MODEL
In view of the prior art, an object of the present invention is to provide a plug-in flexible rogowski coil transformer, which forms a rogowski coil into a ring shape by a fast-screwing threaded joint, and has the effects of being convenient to open and close and being firm.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a flexible rogowski coil mutual-inductor of plug-in, includes casing and rogowski coil, its characterized in that: rogowski coil one end is fixed in casing one side, and the other end cladding is provided with the cutting ferrule with the end fixing, still including the cover that the cover was located on the Rogowski coil and relative cutting ferrule 7 activity sets up, the cover is provided with the internal thread, be provided with on the casing with the internal thread assorted external screw thread of cover and with cutting ferrule assorted plug mouth.
As a further arrangement of the above scheme, the ferrule is provided with an annular edge, the minimum diameter of the cover is smaller than the outer diameter of the annular edge, and an end face of the annular edge facing the opening direction of the plug opening is abutted to an inner end face of the cover.
As a further arrangement of the above scheme, an elastic rubber pad is clamped on the end face of the cover abutting against the housing, and the elastic rubber pad is used for providing a moving space for screwing the cover.
As a further arrangement of the above scheme, the outer surface of the cover is provided with an anti-slip groove, the end surface of the cover facing the housing is provided with a plurality of check grooves, and the check grooves are used for matching to provide a deformation embedding space for the elastic rubber pad.
As a further arrangement of the above scheme, the cutting ferrule is made of an electric conductor material, and one end of the rogowski coil is electrically connected with the other end of the rogowski coil through the fixed cutting ferrule to form an annular loop.
As a further arrangement of the scheme, an electronic circuit board is further arranged in the shell, the electronic circuit board is connected with a sensor probe, and a lead of the electronic circuit board is arranged at the bottom of the shell.
Has the advantages that: the Rogowski coil transformer adopts a plug-in structure matched with a flexible Rogowski coil, the coil can be wound on a target through quick plug-in when the Rogowski coil transformer is used, and the target with a circular or square cross-section structure can be measured based on the flexible Rogowski coil.
Drawings
Fig. 1 is a schematic structural diagram of the rogowski coil transformer of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of the rogowski coil transformer of the present invention.
Fig. 3 is a schematic structural view of the cover of the present invention.
Reference numerals: 1. a housing; 2. a cover; 21. a check groove; 4. a Rogowski coil; 5. a wire; 6. a sensor probe; 7. a card sleeve; 8. and (4) plugging and unplugging ports.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.
As shown in fig. 1-3, the pluggable flexible rogowski coil transformer includes a housing 1 and a rogowski coil 4, and is characterized in that: the utility model discloses a power supply device, including casing 1, luo shi coil 4, other end cladding is provided with the cutting ferrule 7 with the end fixing, still including the cover 2 that the cover was located on luo shi coil 4 and relative cutting ferrule 7 activity set up, lid 2 is provided with the internal thread, be provided with on the casing 1 with the internal thread assorted external screw thread of lid 2 and with cutting ferrule 7 assorted plug mouth 8.
As a further arrangement of the above scheme, the ferrule 7 is provided with an annular edge, the minimum diameter of the cover 2 is smaller than the outer diameter of the annular edge, and the end face of the annular edge facing the opening direction of the plug-in opening 8 is abutted against the inner end face of the cover 2.
As a further arrangement of the above scheme, an elastic rubber pad is clamped on the end face of the cover 2 abutting against the housing 1, and the elastic rubber pad is used for providing a moving space for screwing the cover 2.
As a further arrangement of the above scheme, an anti-slip groove is arranged on the outer surface of the cover 2, a plurality of check grooves 21 are arranged on the end surface of the cover 2 facing the housing 1, and the check grooves 21 are used for matching to provide a deformation embedding space for the elastic rubber pad.
As a further arrangement of the above scheme, the ferrule 7 is made of an electrical conductor material, and one end of the rogowski coil 4 is electrically connected with the other end of the rogowski coil 4 through the fixed ferrule 7 to form an annular loop.
As a further arrangement of the above scheme, an electronic circuit board is further arranged in the housing 1, the electronic circuit board is connected with a sensor probe 6, and a lead 5 of the electronic circuit board is arranged at the bottom of the housing 1.
The working principle is as follows: in use, the cover 2 of the present invention is rotated to one side relative to the housing 1, so that the cover 2 and the housing 1 are separated, then one end of the Rogowski coil 4 is pulled out outwards, then the Rogowski coil 4 is encircled on the object to be measured, the end part of the Rogowski coil is inserted into the shell 1, the cutting sleeve 7 fixed on one side of the movable end of the Rogowski coil 4 is deeply inserted into the plugging port 8 of the shell 1, then the cover 2 is connected with the shell 1 through the thread matching between the internal thread and the external thread from the back, and further in the rotating process of the cover 2, its inner ring oppression cutting ferrule 7 is close to towards the other end of luo shi coil 4 for both closely combine to form the ring-type, and the check groove 21 that lid 2 terminal surface set up cooperatees with the elastic rubber pad on the casing 1, and elastic rubber pad deformation is absorbed in check groove 21, and further place lid 2 and autogyration not hard up, promoted its fixed stability.
The Rogowski coil transformer adopts a flexible Rogowski coil to be matched with a plug-in structure, the coil can be wound on a target through quick plug-in when the Rogowski coil transformer is used, the Rogowski coil transformer based on the flexibility can be suitable for measuring the target with a circular or square cross-section structure, secondly, the Rogowski coil transformer can enable the Rogowski coil to quickly and stably form a ring shape through the structural design of the cover and the clamping sleeve, the clamping sleeve drives one end of the Rogowski coil to continuously extrude the other end through the screwing of the cover, so that the two ends are tightly electrically connected, and secondly, the problem that the cover automatically loosens based on tension after the screwing is avoided based on the design of the rubber pad and the end face check groove of the cover.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a flexible rogowski coil transformer of plug-in, includes casing (1) and rogowski coil (4), its characterized in that: rogowski coil (4) one end is fixed in casing (1) one side, and the other end cladding is provided with cutting ferrule (7) with the end fixing, still locates cover (2) on Rogowski coil (4) and relative cutting ferrule (7) activity setting including the cover, cover (2) are provided with the internal thread, be provided with on casing (1) with the internal thread assorted external screw thread of cover (2) and with cutting ferrule (7) assorted plug mouth (8).
2. The pluggable flexible rogowski coil transformer according to claim 1, wherein: the clamping sleeve (7) is provided with an annular edge, the minimum diameter of the cover (2) is smaller than the outer diameter of the annular edge, and the end face, facing the opening direction of the plugging opening (8), of the annular edge is abutted to the inner end face of the cover (2).
3. The pluggable flexible rogowski coil transformer according to claim 2, wherein: the end face of the cover (2) abutting against the shell (1) is clamped with an elastic rubber pad, and the elastic rubber pad is used for providing a moving space for screwing the cover (2).
4. The pluggable flexible rogowski coil transformer according to claim 3, wherein: the anti-skidding type elastic rubber gasket is characterized in that anti-skidding grooves are formed in the outer surface of the cover (2), a plurality of check grooves (21) are formed in the end face, facing the shell (1), of the cover (2), and the check grooves (21) are used for being matched to provide a deformation embedding space for the elastic rubber gasket.
5. The pluggable flexible rogowski coil transformer according to claim 1, wherein: the clamping sleeve (7) is made of an electric conductor material, and one end of the Rogowski coil (4) is electrically connected with the other end of the Rogowski coil (4) through the fixed clamping sleeve (7) to form an annular loop.
6. The pluggable flexible rogowski coil transformer according to claim 1, wherein: an electronic circuit board is further arranged in the shell (1), the electronic circuit board is connected with a sensor probe (6), and a lead (5) of the electronic circuit board is arranged at the bottom of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122596142.7U CN215986224U (en) | 2021-10-27 | 2021-10-27 | Plug-in flexible Roche coil transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122596142.7U CN215986224U (en) | 2021-10-27 | 2021-10-27 | Plug-in flexible Roche coil transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215986224U true CN215986224U (en) | 2022-03-08 |
Family
ID=80511132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122596142.7U Active CN215986224U (en) | 2021-10-27 | 2021-10-27 | Plug-in flexible Roche coil transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215986224U (en) |
-
2021
- 2021-10-27 CN CN202122596142.7U patent/CN215986224U/en active Active
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