CN214476762U - Leakage protection switch magnetic ring giving consideration to both A type and AC type - Google Patents
Leakage protection switch magnetic ring giving consideration to both A type and AC type Download PDFInfo
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- CN214476762U CN214476762U CN202120403317.5U CN202120403317U CN214476762U CN 214476762 U CN214476762 U CN 214476762U CN 202120403317 U CN202120403317 U CN 202120403317U CN 214476762 U CN214476762 U CN 214476762U
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Abstract
The utility model relates to a leakage protection switch technical field just discloses the leakage protection switch magnetic ring who compromises A type and AC type, including the engineering plastic casing lower cover, first wire winding hole has been seted up to the bottom of engineering plastic casing lower cover, the inner wall fixedly connected with of engineering plastic casing lower cover bottom supports a section of thick bamboo, support a section of thick bamboo and first wire winding hole intercommunication, the upper end of supporting a section of thick bamboo is located the engineering plastic casing lower cover. The utility model discloses the effectual effect of taking into account A type magnetic ring and AC type magnetic ring has improved the suitability of magnetic ring.
Description
Technical Field
The utility model relates to a leakage protection switch technical field especially relates to compromise the leakage protection switch magnetic ring of A type and AC type.
Background
The leakage protection switch is used for effectively protecting direct electric shock and indirect electric shock of a low-voltage power grid, and can also be used for open-phase protection of a three-phase motor. The magnetic ring is an important component of the leakage protection switch.
The existing magnetic ring is divided into an A-type magnetic ring and an AC-type magnetic ring, wherein the AC-type magnetic ring can achieve high magnetic conductivity but cannot induce direct current leakage current and drive a release to release, the A-type magnetic ring can induce the direct current leakage current and drive the release to release, but the magnetic conductivity is usually below 100000, and the magnetic ring cannot be compatible with the functions of the A-type magnetic ring and the AC-type magnetic ring, so that the applicability of the magnetic ring is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the function of the unable compatible A type magnetic ring of magnetic ring and AC type magnetic ring leads to the relatively poor suitability of magnetic ring among the prior art, and the creepage protection switch magnetic ring of the compromise A type and AC type that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the leakage protection switch magnetic ring considering both the A type and the AC type comprises an engineering plastic shell lower cover, wherein the bottom of the engineering plastic shell lower cover is provided with a first winding hole, the inner wall of the bottom of the lower cover of the engineering plastic shell is fixedly connected with a supporting cylinder which is communicated with the first winding hole, the upper end of the supporting cylinder is positioned in the lower cover of the engineering plastic shell, a nanocrystalline magnetic core is movably sleeved outside the supporting cylinder, the nanocrystalline magnetic core is positioned in the lower cover of the engineering plastic shell, the outer wall of the lower cover of the engineering plastic shell, which is close to the upper end, is provided with a through groove, and the groove wall of the through groove is provided with threads, the external threads of the lower cover of the engineering plastic shell are sleeved with the upper cover of the engineering plastic shell, and a second winding hole is formed in the side wall of the upper side of the upper cover of the engineering plastic shell, and a coil winding is wound outside the lower cover of the engineering plastic shell and the upper cover of the engineering plastic shell.
Preferably, an insulating high-temperature-resistant adhesive tape is fixedly bonded outside the coil winding.
Preferably, the supporting cylinder is movably sleeved with a sponge washer, and the sponge washer is located below the nanocrystalline magnetic core.
Preferably, the inner wall of the upper cover of the engineering plastic shell is fixedly connected with a limiting cylinder, the limiting cylinder is communicated with the second winding hole, and the limiting cylinder is movably inserted into the nanocrystalline magnetic core.
Preferably, the support cylinder and the lower cover of the engineering plastic shell are integrally formed.
Preferably, the diameter of the lower cover of the engineering plastic shell is the same as that of the upper cover of the engineering plastic shell.
Compared with the prior art, the utility model provides a compromise earth leakage protection switch magnetic ring of A type and AC type possesses following beneficial effect:
compared with a conventional A-type magnetic ring, the magnetic ring has the magnetic conductivity which is 2 times that of the conventional A-type magnetic ring and the direct-current component ratio of more than or equal to 0.75, can be simultaneously used on the A-type and AC-type high-permeability electromagnetic leakage protection switches, is convenient to use and excellent in performance, can be suitable for the AC-type leakage protection switch needing high magnetic conductivity, has good direct-current characteristics so as to be suitable for the A-type leakage protection switch, effectively takes the effects of the A-type magnetic ring and the AC-type magnetic ring into consideration, and improves the applicability of the magnetic ring.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the effectual effect of taking into account A type magnetic ring and AC type magnetic ring has improved the suitability of magnetic ring.
Drawings
Fig. 1 is a schematic structural diagram of the leakage protection switch magnetic ring provided by the present invention considering both a type and AC type;
fig. 2 is a schematic structural view of a portion a in fig. 1.
In the figure: the high-temperature-resistant composite material comprises an engineering plastic shell lower cover, a first winding hole 2, a supporting cylinder 3, a nanocrystalline magnetic core 4, an engineering plastic shell upper cover 5, a second winding hole 6, a coil winding 7, an insulating high-temperature-resistant adhesive tape 8, a sponge gasket 9 and a limiting cylinder 10.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the leakage protection switch magnetic ring considering both a type a and an type AC comprises an engineering plastic housing lower cover 1, a first winding hole 2 is formed at the bottom of the engineering plastic housing lower cover 1, a support cylinder 3 is fixedly connected to the inner wall of the bottom of the engineering plastic housing lower cover 1, the support cylinder 3 is communicated with the first winding hole 2, the upper end of the support cylinder 3 is positioned in the engineering plastic housing lower cover 1, a nanocrystalline magnetic core 4 is movably sleeved outside the support cylinder 3, the nanocrystalline magnetic core 4 is positioned in the engineering plastic housing lower cover 1, a through groove is formed in the outer wall of the engineering plastic housing lower cover 1 near the upper end, threads are formed on the groove wall of the through groove, an engineering plastic housing upper cover 5 is sleeved outside the engineering plastic housing lower cover 1, a second winding hole 6 is formed in the side wall of the engineering plastic housing upper cover 5, a coil winding 7 is wound outside the engineering plastic housing lower cover 1 and the engineering plastic housing upper cover 5, compared with a conventional A-type magnetic ring, the magnetic ring has the magnetic conductivity which is 2 times that of the conventional A-type magnetic ring, the direct-current component ratio of the magnetic ring is more than or equal to 0.75, the magnetic ring can be simultaneously used on an A-type and AC-type high-magnetic-conductivity electromagnetic leakage protection switch, is convenient to use and excellent in performance, can be suitable for the AC-type leakage protection switch needing high magnetic conductivity, has good direct-current characteristics so as to be suitable for the A-type leakage protection switch, effectively takes the effects of the A-type magnetic ring and the AC-type magnetic ring into account, and improves the applicability of the magnetic ring.
An insulating high-temperature-resistant adhesive tape 8 is fixedly bonded outside the coil winding 7, so that the coil winding 7 can be fixed, and the coil winding 7 is prevented from being loose.
The outer movable sleeve of a supporting cylinder 3 is equipped with sponge packing ring 9, and sponge packing ring 9 is located the below of nanocrystalline magnetic core 4, and sponge packing ring 9 can improve the fixed stability of nanocrystalline magnetic core 4, avoids nanocrystalline magnetic core 4 to rock.
The inner wall fixedly connected with of engineering plastics shell upper cover 5 is spacing section of thick bamboo 10, and spacing section of thick bamboo 10 communicates with second wire winding hole 6, and spacing section of thick bamboo 10 activity is pegged graft and is gone on spacingly to nanocrystalline magnetic core 4 in, and spacing section of thick bamboo 10 can be spacing nanocrystalline magnetic core 4, has improved nanocrystalline magnetic core 4's stability.
The supporting cylinder 3 and the engineering plastic shell lower cover 1 are integrally formed, and the processing convenience and the structural stability of the supporting cylinder 3 are improved.
The diameter of the lower cover 1 of the engineering plastic shell is the same as that of the upper cover 5 of the engineering plastic shell, so that the structural smoothness of the magnetic ring is improved.
The utility model discloses in, compare in conventional rule A type magnetic ring, the magnetic conductivity of this magnetic ring is close 2 times of conventional A type magnetic ring, and its direct current component ratio more than or equal to 0.75, can use simultaneously on A type and AC type high magnetic conductivity electromagnetic type earth leakage protection switch, high durability and convenient use, excellent performance, can be applicable to the AC type earth leakage protection switch who needs high magnetic conductivity, its good direct current characteristic makes it also to be applicable to A type earth leakage protection switch, the effectual effect of having compromise A type magnetic ring and AC type magnetic ring, the suitability of magnetic ring has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The leakage protection switch magnetic ring taking the A type and the AC type into consideration comprises an engineering plastic shell lower cover (1) and is characterized in that a first winding hole (2) is formed in the bottom of the engineering plastic shell lower cover (1), a supporting cylinder (3) is fixedly connected to the inner wall of the bottom of the engineering plastic shell lower cover (1), the supporting cylinder (3) is communicated with the first winding hole (2), the upper end of the supporting cylinder (3) is located in the engineering plastic shell lower cover (1), a nanocrystalline magnetic core (4) is movably sleeved outside the supporting cylinder (3), the nanocrystalline magnetic core (4) is located in the engineering plastic shell lower cover (1), a through groove is formed in the outer wall of the engineering plastic shell lower cover (1) close to the upper end, threads are formed in the groove wall of the through groove, an engineering plastic shell upper cover (5) is sleeved outside the engineering plastic shell lower cover (1), and a second winding hole (6) is formed in the side wall of the upper side of the engineering plastic shell upper cover (5), and a coil winding (7) is arranged outside the engineering plastic shell lower cover (1) and the engineering plastic shell upper cover (5).
2. The leakage protection switch magnetic ring both of the a type and the AC type as claimed in claim 1, wherein an insulating high temperature resistant tape (8) is fixedly bonded to the outside of the coil winding (7).
3. The leakage protection switch magnetic ring with both the A type and the AC type as claimed in claim 1, wherein the supporting cylinder (3) is movably sleeved with a sponge washer (9), and the sponge washer (9) is located below the nanocrystalline magnetic core (4).
4. The leakage protection switch magnetic ring with both the A type and the AC type as claimed in claim 1, wherein the inner wall of the upper cover (5) of the engineering plastic housing is fixedly connected with a limiting cylinder (10), the limiting cylinder (10) is communicated with the second winding hole (6), and the limiting cylinder (10) is movably inserted into the nanocrystal magnetic core (4).
5. The leakage protection switch magnetic ring with both the type a and the type AC as claimed in claim 1, wherein the support cylinder (3) is integrally formed with the engineering plastic housing lower cover (1).
6. The leakage protection switch magnetic ring with both the type a and the type AC as claimed in claim 1, wherein the diameter of the engineering plastic housing lower cover (1) is the same as the diameter of the engineering plastic housing upper cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120403317.5U CN214476762U (en) | 2021-02-24 | 2021-02-24 | Leakage protection switch magnetic ring giving consideration to both A type and AC type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120403317.5U CN214476762U (en) | 2021-02-24 | 2021-02-24 | Leakage protection switch magnetic ring giving consideration to both A type and AC type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214476762U true CN214476762U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120403317.5U Active CN214476762U (en) | 2021-02-24 | 2021-02-24 | Leakage protection switch magnetic ring giving consideration to both A type and AC type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214476762U (en) |
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2021
- 2021-02-24 CN CN202120403317.5U patent/CN214476762U/en active Active
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