CN215599245U

CN215599245U - Novel Rogowski coil

Info

Publication number: CN215599245U
Application number: CN202122130538.2U
Authority: CN
Inventors: 朴商真; 何华林
Original assignee: Wuxi Enmett Technology Co ltd
Current assignee: Wuxi Enmett Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-21
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a novel Rogowski coil, which has the technical scheme that: the coil part is fixedly connected to the end part of the first connecting and mounting block, the other end of the coil part is fixedly connected with a plug connector, a plug hole for the plug connector to be inserted is formed in the second connecting and mounting block, and a limiting component for limiting the plug connector is arranged in the plug hole; the second connecting and mounting block is provided with a pressing part for releasing limiting, the bottom end of the handle is connected with a connecting wire, the lead wire is fixedly connected with the connecting wire through a connecting component, and one end of the lead wire is provided with a connector; the problem of among the prior art rogowski coil using-way singleness, can't peg graft fast fixedly, the practicality is lower is solved.

Description

Novel Rogowski coil

Technical Field

The utility model relates to the field of coils, in particular to a novel Rogowski coil.

Background

The rogowski coil is also called current measuring coil and differential current sensor, and is a ring coil uniformly wound on non-ferromagnetic material. The output signal is the current differential over time. The input current can be truly restored by a circuit which integrates the output voltage signal.

Reference may be made to chinese patent publication No. CN212693867U, which discloses a flexible rogowski coil with adjustable output signal. The wire coil comprises a circular framework, a protective shell is sleeved on the surface of the circular framework, the protective shell and the circular framework are fixedly connected with a screw nut through a fixing hole, an integrally formed external shell is arranged on the outer surface of one side, away from the circular framework, of the protective shell, a potentiometer is fixedly connected on the surface of one side inside the external shell through the screw nut, an adjusting knob is fixedly connected on the surface of the potentiometer, the adjusting knob is electrically connected with the potentiometer, and a coil enameled wire is wound on the outer surface of the circular framework.

The above patent has the advantage of realizing fine adjustment of the output signal, and the accuracy of the central point of the flexible rogowski coil can be improved to 0.5 level, but it also has defects, such as: the coil part quick plug-in fixing device is single in use mode, cannot be used for quickly plugging and fixing the coil part, is low in practicability, and is inconvenient to replace lead wires with different lengths.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background, it is an object of the present invention to provide a new type of rogowski coil to solve the problems mentioned in the background.

The technical purpose of the utility model is realized by the following technical scheme:

a novel Rogowski coil comprises a handle and a lead, wherein the top of the handle is fixedly connected with a first connecting and mounting block and a second connecting and mounting block, the end part of the first connecting and mounting block is fixedly connected with a coil part, the other end of the coil part is fixedly connected with a plug connector, the second connecting and mounting block is provided with a plug hole for the plug connector to be inserted into, and a limiting component for limiting the plug connector is arranged in the plug hole;

be provided with on the second connection installation piece and be used for relieving spacing according to the splenium, the bottom of handle is connected with the connecting wire, the lead wire with the connecting wire passes through coupling assembling fixed connection, the one end of lead wire is provided with the connector.

The Rogowski coil can be conveniently and quickly plugged and pulled out of the coil part through the arrangement of the plug connectors, the plug holes and the limiting assemblies, is convenient to use in a special environment, enlarges the use range, improves the practicability, can not damage the coil part in the plugging and pulling processes, and effectively solves the problems that the Rogowski coil in the prior art is single in use mode, cannot be quickly plugged and fixed and is low in practicability;

this novel rogowski coil through coupling assembling's setting, can conveniently dismantle the change to the lead wire, can dismantle separately when not using and deposit, has the advantage that conveniently changes different length lead wires and conveniently deposit, has solved the inconvenient problem of changing different length lead wires among the prior art.

Preferably, the pressing part comprises a pressing hole formed in the second connecting and mounting block, the second connecting and mounting block is fixedly connected with an elastic bag body at the pressing hole, the inner wall of the elastic bag body is fixedly connected with an ejector rod, and the ejector rod is connected in the pressing hole in a sliding manner; the limiting assembly comprises a limiting hole formed in the plug connector, a first spring is fixedly connected in an inner cavity of the limiting hole, a limiting column is fixedly connected to the end of the first spring, and the limiting column is connected with the limiting hole in a sliding mode; the limiting component also comprises a second spring fixedly connected to the bottom of the inner cavity of the plug hole, the end part of the second spring is fixedly connected with a pushing block, when in use, the plug is inserted into the plug hole, the limiting column is pressed during plug-in to enable the limiting column to retract into the limiting hole, when the limiting column slides to the inner wall of the plug hole, one end of the plug pushes the pushing block to extrude the second spring, so that the second spring pushes the pushing block to rebound the plug, the plug is continuously inserted, when the limiting column slides to the position of the pressing hole, under the action of the first spring, the limiting column is pushed to be inserted into the pressing hole, the limiting column is pushed to eject the ejector rod, the ejector rod is pushed to protrude by the ejector rod, so that the elastic bag body can realize quick positioning of the plug, when the limiting is required to be relieved, the elastic bag body is only required to be pressed to push the ejector rod to compress the limiting column to enable the limiting column to be separated from the pressing hole, at the moment, the drawing coil part drives the plug to slide out of the plug hole, the coil part quick plug-in and plug-out device has the advantages of being convenient for the coil part to be quickly plugged and pulled out, improving the use efficiency and avoiding the damage to the coil part caused by frequent disassembly and assembly.

Preferably, the connecting assembly comprises an internal threaded pipe rotatably connected to the end of the connecting wire, an external threaded ring is fixedly connected to the outer wall of one end of the leading wire, and the external threaded ring is in threaded connection with the internal threaded pipe; when the connecting wire is used, the connecting wire and the lead wire are inserted together, and then the internal thread pipe and the external thread ring are rotated to be fixed in a threaded manner.

Preferably, an anti-folding hose is arranged at the joint of the connecting line and the handle; through preventing the setting of rolling over the hose, can protect the connecting wire, avoid the connecting wire to use for a long time and the fracture damage.

Preferably, the coil part comprises an inner wire core and a flexible sheath arranged outside the wire core; through the setting of flexible sheath, can effectively protect inside sinle silk, effectively improve barrier propterty, prolong the life of coil portion.

In summary, the utility model mainly has the following beneficial effects:

the Rogowski coil can be conveniently and rapidly plugged and pulled out of the coil part through the arrangement of the plug connectors, the plug holes and the limiting assemblies, is convenient to use in a special environment, enlarges the use range, improves the practicability, cannot damage the coil part in the plugging and pulling processes, and effectively solves the problems that the Rogowski coil in the prior art is single in use mode, cannot be rapidly plugged and fixed and is low in practicability;

second, this novel rogowski coil through coupling assembling's setting, can conveniently dismantle the change to the lead wire, can dismantle separately when not using and deposit, has the advantage that conveniently changes different length lead wires and conveniently deposit, has solved the inconvenient problem of changing different length lead wires among the prior art.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is a partial sectional view of the present invention;

FIG. 4 is a schematic view of a structure of a position limiting assembly according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2;

FIG. 6 is an enlarged view of the structure of FIG. 2 at B according to the present invention.

Reference numerals: 1. a handle; 2. a lead wire; 3. a first connection mounting block; 4. a second connection mounting block; 5. a coil section; 51. a wire core; 52. a flexible sheath; 6. a plug-in connector; 7. inserting holes; 8. a limiting component; 81. a limiting hole; 82. a first spring; 83. a limiting column; 84. a second spring; 85. a pushing block; 9. a pressing part; 91. pressing the hole; 92. an elastic bladder body; 93. a top rod; 10. a connecting wire; 11. a connecting assembly; 111. an internally threaded tube; 112. an externally threaded ring; 12. a connector; 13. anti-folding hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, a novel rogowski coil includes a handle 1 and a lead 2, a first connection mounting block 3 and a second connection mounting block 4 are fixedly connected to the top of the handle 1, a coil portion 5 is fixedly connected to an end portion of the first connection mounting block 3, a plug 6 is fixedly connected to the other end of the coil portion 5, a plug hole 7 for the plug 6 to be inserted into is formed in the second connection mounting block 4, and a limiting component 8 for limiting the plug 6 is arranged in the plug hole 7;

the second connection mounting block 4 is provided with a pressing part 9 for releasing the limit, the bottom end of the handle 1 is connected with a connecting wire 10, the lead wire 2 is fixedly connected with the connecting wire 10 through a connecting component 11, and one end of the lead wire 2 is provided with a connector 12.

Referring to fig. 4 and 5, the pressing portion 9 includes a pressing hole 91 formed in the second connecting and mounting block 4, the second connecting and mounting block 4 is fixedly connected to an elastic bag body 92 at the pressing hole 91, an inner wall of the elastic bag body 92 is fixedly connected to a push rod 93, and the push rod 93 is slidably connected to the pressing hole 91; the limiting assembly 8 comprises a limiting hole 81 formed in the plug-in connector 6, a first spring 82 is fixedly connected in an inner cavity of the limiting hole 81, a limiting column 83 is fixedly connected to the end portion of the first spring 82, and the limiting column 83 is connected with the limiting hole 81 in a sliding mode; the limiting component 8 also comprises a second spring 84 fixedly connected to the bottom of the inner cavity of the plug hole 7, the end of the second spring 84 is fixedly connected with a pushing block 85, when in use, the plug 6 is inserted into the plug hole 7, the limiting column 83 is pressed during plug-in, the second spring is retracted into the limiting hole 81, when the limiting column 83 slides the inner wall of the plug hole 7, one end of the plug 6 pushes the pushing block 85 to extrude the second spring 84, so that the second spring 84 pushes the pushing block 85 to rebound the plug 6, the plug 6 is continuously inserted, when the limiting column 83 slides to the pressing hole 91, under the action of the first spring 82, the limiting column 83 is pushed to be inserted into the pressing hole 91, the limiting column 83 is pushed out to push the ejector rod 93, so that the ejector rod 93 pushes the elastic bag body 92 to bulge, the quick positioning of the plug 6 can be realized, when the limiting needs to be released, only the elastic bag body 92 is needed to push the ejector rod 93 to compress the limiting column 83, make spacing post 83 break away from pressing hole 91, it can to twitch coil part 5 this moment and drive 6 roll-off spliced eye 7 of bayonet joint, have the advantage that makes things convenient for coil part 5 to peg graft fast and extract, improved the availability factor, avoided frequent dismouting to coil part 5's damage.

Referring to fig. 6, the connection assembly 11 includes an internally threaded tube 111 rotatably connected to an end of the connection cord 10, an externally threaded ring 112 is fixedly connected to an outer wall of one end of the lead 2, and the externally threaded ring 112 is threadedly connected to the internally threaded tube 111; when the connecting wire is used, the connecting wire 10 and the lead wire 2 are inserted together, and then the internal thread tube 111 and the external thread ring 112 are rotated to be fixed in a threaded manner.

Referring to fig. 6, an anti-folding hose 13 is arranged at the joint of the connecting line 10 and the handle 1; through the setting of preventing folding hose 13, can protect connecting wire 10, avoid connecting wire 10 to use for a long time and break and damage.

Referring to fig. 4, the coil part 5 includes an inner core 51 and a flexible sheath 52 disposed outside the core 51; through the setting of flexible sheath 52, can effectively protect inside sinle silk 51, effectively improve barrier propterty, prolong coil part 5's life.

The use principle and the advantages are as follows:

this novel rogowski coil is when using, handheld handle 1 uses coil portion 5 to measure during the use, when measuring the position and can't use circular coil portion 5, through pressing the spacing of portion 9 contact coil portion 5 and handle 1 of pressing, can take out coil portion 5's one end, and then can conveniently measure, when needs peg graft again, directly with 6 pegs graft of the bayonet joint of coil portion 5 one end fix in spliced eye 7 can, when needing to be changed lead wire 2, only need can realize easily through coupling assembling 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel Rogowski coil is characterized in that: the coil part fixing device comprises a handle (1) and a lead (2), wherein the top of the handle (1) is fixedly connected with a first connecting and mounting block (3) and a second connecting and mounting block (4), the end part of the first connecting and mounting block (3) is fixedly connected with a coil part (5), the other end of the coil part (5) is fixedly connected with a plug connector (6), the second connecting and mounting block (4) is provided with a plug hole (7) for the plug connector (6) to be inserted into, and a limiting component (8) for limiting the plug connector (6) is arranged in the plug hole (7);

be provided with on the second connection installation piece (4) and be used for relieving spacing pressing portion (9), the bottom of handle (1) is connected with connecting wire (10), lead wire (2) with connecting wire (10) are through coupling assembling (11) fixed connection, the one end of lead wire (2) is provided with connector (12).

2. A novel rogowski coil, as claimed in claim 1, wherein: press portion (9) including offering press hole (91) on second connection installation piece (4), installation piece (4) are connected to the second press hole (91) department fixed connection elasticity utricule (92), the inner wall fixedly connected with ejector pin (93) of elasticity utricule (92), ejector pin (93) slide and connect in pressing hole (91).

3. A novel rogowski coil, as claimed in claim 1, wherein: spacing subassembly (8) are including seting up spacing hole (81) on bayonet joint (6), fixedly connected with first spring (82) in the inner chamber of spacing hole (81), the spacing post (83) of tip fixedly connected with of first spring (82), spacing post (83) with spacing hole (81) are connected of sliding.

4. A novel rogowski coil, as claimed in claim 1, wherein: the limiting assembly (8) further comprises a second spring (84) fixedly connected to the bottom of the inner cavity of the inserting hole (7), and the end part of the second spring (84) is fixedly connected with a pushing block (85).

5. A novel rogowski coil, as claimed in claim 1, wherein: coupling assembling (11) are connected including rotating the internal thread pipe (111) of connecting wire (10) tip, the one end outer wall fixedly connected with external screw thread ring (112) of lead wire (2), external screw thread ring (112) with internal thread pipe (111) threaded connection.

6. A novel rogowski coil, as claimed in claim 1, wherein: an anti-folding hose (13) is arranged at the joint of the connecting line (10) and the handle (1).

7. A novel rogowski coil, as claimed in claim 1, wherein: the coil portion (5) includes an inner wire core (51) and a flexible sheath (52) disposed outside the wire core (51).