CN213875825U - Zero-flux current sensor for leakage current detection - Google Patents
Zero-flux current sensor for leakage current detection Download PDFInfo
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- CN213875825U CN213875825U CN202023188819.5U CN202023188819U CN213875825U CN 213875825 U CN213875825 U CN 213875825U CN 202023188819 U CN202023188819 U CN 202023188819U CN 213875825 U CN213875825 U CN 213875825U
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Abstract
The utility model provides a zero magnetic flow current sensor for leakage current detects, includes the fixed plate, one side outer wall central point of fixed plate puts and installs zero magnetic flow current sensor body, the mounting panel is all installed to one side outer wall top and the below of fixed plate, one side surface mounting of mounting panel has cylindric play spool, the sponge rubber board is installed on the top of cylindric play spool, first wire hole has been seted up to the surperficial central point of sponge rubber board, install first sponge rubber sleeve on the inner wall of cylindric play spool, the second wire hole has been seted up on the surface of mounting panel, install second sponge rubber sleeve on the inner wall of second wire hole, the opposite side surface mounting of mounting panel has the round platform to describe out the spool. The utility model discloses when having avoided the cable to drag and zero magnetic flow current sensor body between produce the friction and lead to the cable surface to break impaired, cause the condition of electric leakage to take place, improved the security, the practicality is strong.
Description
Technical Field
The utility model relates to a zero magnetic flow current sensor technical field specifically is a zero magnetic flow current sensor for leakage current detects.
Background
The zero-flux current sensor is an article used in the power industry, the working principle of the zero-flux current sensor is based on kirchhoff current law, the zero-flux current sensor is a straight-through current transformer, and the zero-flux current sensor is generally used for power protection equipment such as: when an electric shock or electric leakage fault occurs in a circuit, the secondary side of the mutual inductor outputs zero-sequence current to ensure that equipment on a connected secondary circuit is protected and actuated, if a tested cable is distinguished between the center and the center of the mutual inductor, if the tested cable needs to be accurately measured, the tested cable is arranged in the center of the mutual inductor, the influence is caused by magnetic leakage, the traditional mutual inductor directly penetrates the cable through the mutual inductor, the cable is easy to pull and often rubs with the mutual inductor, certain damage is caused to the cable and the mutual inductor, and the electric leakage risk is caused if the cable is often rubbed or an insulating protective layer of the cable is damaged; therefore, the existing use requirements are not satisfied.
Disclosure of Invention
An object of the utility model is to provide a zero magnetic flux current sensor for leakage current detects to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a zero-flux current sensor for detecting leakage current comprises a fixed plate, a zero-flux current sensor body is arranged at the center of the outer wall of one side of the fixed plate, mounting plates are arranged above and below the outer wall of one side of the fixing plate, a cylindrical wire outlet pipe is arranged on the outer surface of one side of the mounting plate, the top end of the cylindrical wire outlet pipe is provided with a sponge rubber plate, the surface center of the sponge rubber plate is provided with a first wire outlet hole, a first sponge rubber sleeve is arranged on the inner wall of the cylindrical wire outlet pipe, a second wire outlet hole is arranged on the surface of the mounting plate, a second sponge rubber sleeve is arranged on the inner wall of the second wire outlet hole, a round table-shaped wire outlet pipe is arranged on the outer surface of the other side of the mounting plate, and a third wire outlet hole is formed in the bottom of the circular truncated cone-shaped wire outlet pipe, and a third sponge rubber sleeve is mounted on the hole wall of the third wire outlet hole.
Preferably, vertical centerlines between the first wire outlet hole, the second wire outlet hole, the third wire outlet hole and the wire outlet hole on the zero-flux current sensor body are coincident with each other.
Preferably, an insulating plate is mounted at the center of the outer wall of the other side of the fixing plate.
Preferably, the four corners of the outer wall of the fixing plate are provided with mounting holes.
Preferably, an insulating fixing bolt is installed in the mounting hole.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation setting of a series of structures, during the use, the user passes the cable from first wire hole, the second wire hole, pass between the wire hole on third wire hole and the zero magnetic flow current sensor body, the third wire hole on the round platform form wire outlet pipe can play spacing effect, form contact friction between the wire hole on having avoided cable and the zero magnetic flow current sensor body, the sponge rubber board, first sponge rubber sleeve, the cooperation setting of second sponge rubber sleeve and third sponge rubber sleeve, avoided cable and round platform form wire outlet pipe and cylindric form contact friction between the wire outlet pipe, thereby the utility model discloses when having avoided the cable to drag and produce the friction between the zero magnetic flow current sensor body and lead to the cable surface to break impaired, lead to the fact the condition of electric leakage to take place, improved the security, the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
In the figure: 1. a sponge rubber plate; 2. a first wire outlet hole; 3. a second wire outlet hole; 4. a first sponge rubber sleeve; 5. a cylindrical wire outlet pipe; 6. mounting a plate; 7. a second sponge rubber sleeve; 8. a circular truncated cone-shaped wire outlet pipe; 9. a third sponge rubber sleeve; 10. a third wire outlet hole; 11. a zero-flux current sensor body; 12. an insulating fixing bolt; 13. a fixing plate; 14. an insulating plate; 15. and (7) installing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a zero-flux current sensor for detecting leakage current comprises a fixing plate 13, a zero-flux current sensor body 11 is arranged at the center of the outer wall of one side of the fixing plate 13, mounting plates 6 are arranged above and below the outer wall of one side of the fixing plate 13, a cylindrical wire outlet pipe 5 is arranged on the outer surface of one side of the mounting plate 6, a sponge rubber plate 1 is arranged at the top end of the cylindrical wire outlet pipe 5, a first wire outlet hole 2 is formed in the center of the surface of the sponge rubber plate 1, a first sponge rubber sleeve 4 is arranged on the inner wall of the cylindrical wire outlet pipe 5, a second wire outlet hole 3 is formed in the surface of the mounting plate 6, a second sponge rubber sleeve 7 is arranged on the inner wall of the second wire outlet hole 3, a truncated cone-shaped wire outlet pipe 8 is arranged on the outer surface of the other side of the mounting plate 6, a third wire outlet hole 10 is formed in the bottom of the truncated cone-shaped wire outlet pipe 8, and a third sponge rubber sleeve 9 is arranged on the hole wall of the third wire outlet hole 10, the vertical center lines between the first wire outlet hole 2, the second wire outlet hole 3, the third wire outlet hole 10 and the wire outlet holes on the zero-flux current sensor body 11 are overlapped with each other, an insulating plate 14 is installed at the center of the outer wall of the other side of the fixing plate 13, mounting holes 15 are formed in four corners of the outer wall of the fixing plate 13, and insulating fixing bolts 12 are installed in the mounting holes 15.
During the use, the user passes the cable from first wire hole 2, second wire hole 3, between the wire hole on third wire hole 10 and the zero magnetic flow current sensor body 11, third wire hole 10 on the round platform form wire outlet pipe 8 can play spacing effect, form contact friction between the wire hole on having avoided cable and the zero magnetic flow current sensor body 11, sponge rubber plate 1, first sponge rubber cover 4, the cooperation setting of second sponge rubber cover 7 and third sponge rubber cover 9, form contact friction between having avoided cable and round platform form wire outlet pipe 8 and the cylindric wire outlet pipe 5, thereby the utility model discloses produce the friction and lead to the cable surface to break impaired when having avoided the cable to drag between and the zero magnetic flow current sensor body 11, lead to the fact the condition of electric leakage to take place, improved the security, the practicality is strong.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A zero-flux current sensor for leakage current detection, comprising a fixed plate (13), characterized in that: the zero-flux current sensor body (11) is installed at the center position of the outer wall of one side of the fixing plate (13), the mounting plate (6) is installed above and below the outer wall of one side of the fixing plate (13), the cylindrical outgoing tube (5) is installed on the outer surface of one side of the mounting plate (6), the sponge rubber plate (1) is installed at the top end of the cylindrical outgoing tube (5), the first outgoing hole (2) is formed in the center position of the surface of the sponge rubber plate (1), the first sponge rubber sleeve (4) is installed on the inner wall of the cylindrical outgoing tube (5), the second outgoing hole (3) is formed in the surface of the mounting plate (6), the second sponge rubber sleeve (7) is installed on the inner wall of the second outgoing hole (3), the circular-truncated-cone-shaped outgoing tube (8) is installed on the outer surface of the other side of the mounting plate (6), and the third outgoing hole (10) is formed in, and a third sponge rubber sleeve (9) is arranged on the wall of the third wire outlet hole (10).
2. A zero-flux current sensor for leakage current detection as claimed in claim 1, wherein: vertical center lines among the first wire outlet hole (2), the second wire outlet hole (3), the third wire outlet hole (10) and the wire outlet holes on the zero-flux current sensor body (11) are overlapped with each other.
3. A zero-flux current sensor for leakage current detection as claimed in claim 1, wherein: and an insulating plate (14) is arranged at the center of the outer wall of the other side of the fixed plate (13).
4. A zero-flux current sensor for leakage current detection as claimed in claim 1, wherein: mounting holes (15) are formed in four corners of the outer wall of the fixing plate (13).
5. A zero-flux current sensor for leakage current detection as claimed in claim 4, wherein: and an insulating fixing bolt (12) is arranged in the mounting hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023188819.5U CN213875825U (en) | 2020-12-26 | 2020-12-26 | Zero-flux current sensor for leakage current detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023188819.5U CN213875825U (en) | 2020-12-26 | 2020-12-26 | Zero-flux current sensor for leakage current detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213875825U true CN213875825U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023188819.5U Active CN213875825U (en) | 2020-12-26 | 2020-12-26 | Zero-flux current sensor for leakage current detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213875825U (en) |
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2020
- 2020-12-26 CN CN202023188819.5U patent/CN213875825U/en active Active
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