CN209747319U - Double-shielding structure of transformer - Google Patents
Double-shielding structure of transformer Download PDFInfo
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- CN209747319U CN209747319U CN201920801050.8U CN201920801050U CN209747319U CN 209747319 U CN209747319 U CN 209747319U CN 201920801050 U CN201920801050 U CN 201920801050U CN 209747319 U CN209747319 U CN 209747319U
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Abstract
the utility model discloses a two shielding structure of transformer, the on-line screen storage device comprises a base, winding and shield cover, the last fixed surface of base is connected with a plurality of windings, the outside cover of this winding has the shield cover, the bracing piece that the both sides lower extreme fixedly connected with symmetry of this shield cover set up, there is the shield cover through the outside cover at the winding, the inside interlayer that is provided with of casing of this shield cover, this kind of design, make the shield cover be bilayer structure, and then make EMC interference signal intensity reduce, thereby satisfy the requirement of EMC authentication, constitute for two arcs through setting up the shield cover, and the lower extreme of two arcs is provided with the gliding slider with the spout, this kind of design, the separation of two arcs of can being convenient for, and then when the winding breaks down, be convenient for repair.
Description
Technical Field
The utility model relates to a transformer technical field, concretely relates to transformer double-shielded structure.
Background
A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.
At present, the existing transformer mostly adopts a single-layer shielding technology, the EMC interference signal intensity is high, and the EMC authentication is difficult to pass.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, the utility model aims at providing a transformer double-shielding structure, including base, winding and housing, the last fixed surface of base is connected with a plurality of windings, and the outside cover of this winding has the housing, the bracing piece that the both sides lower extreme fixedly connected with symmetry of this housing set up, the lower extreme fixedly connected with slider of this bracing piece, the upper surface of base is provided with the spout, slider and spout sliding connection, the lower extreme both sides of winding are fixed with the cylinder, and the piston rod and the housing inner wall of this cylinder are fixed.
Preferably, the shielding sleeve is composed of two arc-shaped pieces, wherein a groove is formed in the side face of one arc-shaped piece, and a convex strip matched with the groove is formed in the side face of the other arc-shaped piece.
Preferably, the bottom surface of the slider is provided with a spherical groove, and a rolling ball is connected in the spherical groove in a rolling manner.
Preferably, the shielding sleeve is made of copper material and has a cylindrical structure.
Preferably, an interlayer is arranged inside the shell of the shielding sleeve to form a double-layer structure.
Preferably, the number of the windings is 3-4, and the windings are arranged at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that:
1. This transformer double-shielding structure has the housing through the outside cover at the winding, and the inside interlayer that is provided with of casing of this housing, this kind of design for the housing is bilayer structure, and then makes EMC interference signal intensity reduce, thereby satisfies the requirement of EMC authentication.
2. this transformer double-shielding structure constitutes through setting up the shield sleeve to two arcs to the lower extreme of two arcs is provided with the slider with the spout is gliding, and this kind of design can be convenient for the separation of two arcs, and then when the winding breaks down, is convenient for repair.
Drawings
Fig. 1 is an overall structure diagram of a double-shielding structure of a transformer of the present invention;
Fig. 2 is a top view of a transformer double-shielding structure of the present invention;
fig. 3 is a schematic diagram of a shielding case of a transformer double-shielding structure of the present invention;
Fig. 4 is an enlarged view of a part a of a transformer double-shielding structure of the present invention;
In the figure: 1. a base; 2. a winding; 3. a shielding sleeve; 4. a spherical groove; 5. an interlayer; 6. a cylinder; 7. a convex strip; 8. a groove; 9. an arc-shaped sheet; 10. a support bar; 11. a slider; 12. a chute; 13. a ball.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a transformer double-shielding structure comprises a base 1, windings 2 and a shielding sleeve 3, wherein the upper surface of the base 1 is fixedly connected with a plurality of windings 2, the outside of the windings 2 is sleeved with the shielding sleeve 3, the lower ends of the two sides of the shielding sleeve 3 are fixedly connected with supporting rods 10 which are symmetrically arranged, the lower end of each supporting rod 10 is fixedly connected with a sliding block 11, the upper surface of the base 1 is provided with a sliding groove 12, the sliding block 11 is in sliding connection with the sliding groove 12, the two sides of the lower end of the winding 2 are fixedly provided with air cylinders 6, piston rods of the air cylinders 6 are fixed with the inner wall of the shielding sleeve 3, the shielding sleeve 3 is composed of two arc-shaped sheets 9, the side surface of one arc-shaped sheet 9 is provided with a groove 8, the side surface of the other arc-shaped sheet 9 is provided with a convex strip 7 matched with the groove 8, the bottom surface of the sliding block 11 is provided with, and the winding is cylindrical, the inner part of the shell of the shielding sleeve 3 is provided with an interlayer 5 to form a double-layer structure, and the number of the windings 2 is 3-4 and the windings are arranged at equal intervals.
The working principle is as follows: during the use, there is shielding sleeve 3 through the outside cover at winding 2, the inside interlayer 5 that is provided with of casing of this shielding sleeve 3, this kind of design, make shielding sleeve 3 be bilayer structure, and then make EMC interference signal intensity reduce, thereby satisfy the requirement of EMC authentication, constitute through setting up shielding sleeve 3 into two arcs 9, and the lower extreme of two arcs 9 be provided with spout 12 gliding slider 13, this kind of design, the separation of two arcs 9 of can being convenient for, and then when winding 2 breaks down, be convenient for repair.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a transformer double-shielding structure, includes base (1), winding (2) and housing (3), its characterized in that, the last fixed surface of base (1) is connected with a plurality of windings (2), and the outside cover of this winding (2) has housing (3), bracing piece (10) that the both sides lower extreme fixedly connected with symmetry of this housing (3) set up, lower extreme fixedly connected with slider (11) of this bracing piece (10), the upper surface of base (1) is provided with spout (12), slider (11) and spout (12) sliding connection, the lower extreme both sides of winding (2) are fixed with cylinder (6), and the piston rod of this cylinder (6) is fixed with housing (3) inner wall.
2. The transformer double-shielding structure according to claim 1, wherein the shielding case (3) is formed by two arc-shaped pieces (9), wherein a groove (8) is formed on the side surface of one arc-shaped piece (9), and a protruding strip (7) matched with the groove (8) is formed on the side surface of the other arc-shaped piece (9).
3. The transformer double-shielding structure according to claim 1, wherein the bottom surface of the sliding block (11) is provided with a spherical groove (4), and a rolling ball (13) is connected in the spherical groove (4) in a rolling manner.
4. a transformer double shielding structure according to claim 1, characterized in that the shielding sleeve (3) is made of copper material and has a cylindrical structure.
5. The transformer double-shielding structure according to claim 1, characterized in that the shielding sleeve (3) is provided with a partition (5) inside the housing to form a double-layer structure.
6. A transformer double shielding structure according to claim 1, characterized in that the number of windings (2) is 3-4 and they are equally spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801050.8U CN209747319U (en) | 2019-05-30 | 2019-05-30 | Double-shielding structure of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801050.8U CN209747319U (en) | 2019-05-30 | 2019-05-30 | Double-shielding structure of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209747319U true CN209747319U (en) | 2019-12-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920801050.8U Active CN209747319U (en) | 2019-05-30 | 2019-05-30 | Double-shielding structure of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209747319U (en) |
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2019
- 2019-05-30 CN CN201920801050.8U patent/CN209747319U/en active Active
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