CN213025752U

CN213025752U - Vertical winding double-layer coupled coil transformer

Info

Publication number: CN213025752U
Application number: CN202021840749.4U
Authority: CN
Inventors: 胡林峰; 吴远思; 周正国
Original assignee: Anyuan County Meijing Electronics Co ltd; Huizhou Click Technology Co ltd; Huizhou Kelike Electronic Co ltd; Xinfeng Click Technology Co ltd; Shenzhen Click Technology Ltd
Current assignee: Anyuan County Meijing Electronics Co ltd; Huizhou Click Technology Co ltd; Huizhou Kelike Electronic Co ltd; Xinfeng Click Technology Co ltd; Shenzhen Click Technology Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-20
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a vertical winding double-layer linked-winding coil transformer, which comprises a magnetic core (1), a primary winding (2) and a secondary winding (3) which are sleeved on a magnetic core center post (10); the primary winding (2) and the secondary winding (3) respectively comprise an inner layer of vertical winding coil and an outer layer of vertical winding coil, an insulating isolation plate (4) is arranged between the primary winding (2) and the secondary winding (3), coils, which are positioned on two sides of a magnetic core center pillar (10), of the primary winding (2) are respectively sleeved with a first insulating sleeve (51) and a second insulating sleeve (52) which are used for isolating the coils and the magnetic core, and coils, which are positioned on two sides of the magnetic core center pillar, of the secondary winding (3) are respectively sleeved with a third insulating sleeve (53) and a fourth insulating sleeve (54) which are used for isolating the coils and the magnetic core.

Description

Vertical winding double-layer coupled coil transformer

Technical Field

The utility model relates to a transformer, concretely relates to immediately, wind double-deck antithetical couplet coil transformer.

Background

The winding mode of the winding in the common transformer in the market at present is single-layer vertical winding. In some applications, a transformer with high power and small volume is required. However, when the material of the magnetic core is the same, the height of the winding is increased and the volume of the product is increased when the current single-layer vertical winding coil transformer requires higher power.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an immediately, link coil transformer around bilayer to overcome current individual layer and found the aforementioned defect that exists around formula transformer.

The utility model discloses a reach above-mentioned purpose and propose following technical scheme:

a vertical winding double-layer coupled coil transformer comprises a magnetic core, a primary winding and a secondary winding, wherein the primary winding and the secondary winding are sleeved on a center pillar of the magnetic core; the primary winding and the secondary winding respectively comprise an inner layer of vertical winding coil and an outer layer of vertical winding coil, an insulating isolation plate is arranged between the primary winding and the secondary winding, coils of the primary winding, which are positioned on two sides of the magnetic core center pillar, are respectively sleeved with a first insulating sleeve and a second insulating sleeve which are used for isolating the coils and the magnetic core, and coils of the secondary winding, which are positioned on two sides of the magnetic core center pillar, are respectively sleeved with a third insulating sleeve and a fourth insulating sleeve which are used for isolating the coils and the magnetic core.

Preferably, the magnetic core is formed by splicing two groups of same E-shaped magnetic cores in an opening opposite manner, wherein the center pillar of one group of E-shaped magnetic cores is spliced with the center pillar of the other group of E-shaped magnetic cores to form the core center pillar of the magnetic core.

Preferably, the splicing positions of the two groups of same E-shaped magnetic cores are fixed by adopting viscose glue.

Preferably, each group of E-shaped magnetic cores comprises 2-5 same E-shaped magnetic cores, and two adjacent E-shaped magnetic cores in the same group are in contact with each other through an E-shaped surface and are bonded through glue.

Preferably, the shape of the insulating isolation plate is consistent with the winding shape of the primary winding and the secondary winding, and the insulating isolation plate is annular, and an annular hollow part is used for the central pillar of the magnetic core to pass through.

Preferably, the thickness of the insulating isolation plate is 1.5 mm-2.5 mm.

Preferably, the inner layer and the outer layer of the primary winding are wound with the same number of turns, and two leading-out ends of the primary winding are led out from the inner layer of the vertically wound coil and the outer layer of the vertically wound coil respectively, and are positioned on the same side of the primary winding.

Preferably, the inner layer and the outer layer of the secondary winding are wound by the same winding number, and two leading-out ends of the secondary winding are led out by the inner layer of the vertically wound coil and the outer layer of the vertically wound coil, and are positioned on the same side of the secondary winding.

The utility model provides a found around double-deck antithetical couplet coil transformer compares with current individual layer found around the mode, when winding the same coil number of turns, the high reduction is half, and the product volume can reduce greatly. And under the condition that the magnetic core material is the same, the product of the same power is made, and then the product volume of the vertical winding double-layer coupling coil using the scheme can be much smaller. Moreover, the product of the scheme is simple in structure, convenient to operate and convenient for batch production.

Drawings

Fig. 1 is a schematic perspective view of a vertically wound double-layer coupled coil transformer according to an embodiment of the present invention;

fig. 2 is an exploded view of the structure of the vertically wound double layer wound coil transformer shown in fig. 1.

Detailed Description

The invention will be further described with reference to the accompanying drawings and preferred embodiments.

The specific embodiment of the utility model provides an immediately, wind double-deck antithetical couplet coil transformer, as shown in fig. 1 and fig. 2, should immediately wind double-deck antithetical couplet coil transformer and include magnetic core 1 and cover primary 2 and secondary 3 on magnetic core center pillar 10. The magnetic core 1 is formed by splicing two groups of same E-shaped magnetic cores with opposite openings, wherein the center pillar of one group of E-shaped magnetic cores 11 and the center pillar of the other group of E-shaped magnetic cores 12 are spliced into the magnetic core center pillar 10 of the magnetic core 1. The primary winding 2 and the secondary winding 3 each include an inner layer and an outer layer of vertically wound coils, and the inner layer of vertically wound coil and the outer layer of vertically wound coil of the primary winding 2 have the same number of turns, and similarly, the inner layer of vertically wound coil and the outer layer of vertically wound coil of the secondary winding 3 also have the same number of turns. An insulating isolation plate 4 is arranged between the primary winding 2 and the secondary winding 3 and used for isolating the primary winding 2 from the secondary winding 3. The coils of the primary winding 2 located at both sides of the center leg 10 of the core are respectively covered with a first insulating cover 51 and a second insulating cover 52 for separating the coil from the core, while the coils of the secondary winding 3 located at both sides of the center leg of the core are respectively covered with a third insulating cover 53 and a fourth insulating cover 54 for separating the coil from the core. The lengths of the first to fourth insulating sleeves are slightly longer than that of the magnetic core, and when the first to fourth insulating sleeves are sleeved on the coil, two ends of each insulating sleeve slightly extend out of the magnetic core. The primary winding 2 and the secondary winding 3 are respectively provided with two leading-out ends, and the two leading-out

ends

21 and 22 of the primary winding 2 are respectively led out by the inner layer vertical winding coil and the outer layer vertical winding coil, and are positioned on the same side of the primary winding. Similarly, two leading-out

terminals

31 and 32 of the secondary winding 3 are respectively led out from the inner layer vertically wound coil and the outer layer vertically wound coil, and are positioned on the same side of the secondary winding.

The splicing positions of the two groups of E-shaped magnetic cores forming the magnetic core 1 are fixed by adopting viscose glue. Each group of E-shaped magnetic cores can comprise 2-5 identical E-shaped magnetic cores, such as EE80 magnetic cores. In the embodiment shown in fig. 1 and 2, each group of E-shaped magnetic cores comprises 4 EE80 magnetic cores 100. Two adjacent E-shaped magnetic cores in the same group are contacted by the E-shaped surface and are bonded by glue.

The insulating isolation plate 4 may be made of epoxy resin, and in an exemplary embodiment, the thickness of the insulating isolation plate 4 is about 2mm, such as 1.5-2.5 mm. It should be understood that the shape of the insulating spacer 4 corresponds to the winding shape of the primary and secondary windings, both of which are annular as shown in fig. 2. The ring-shaped hollow portion is for the core leg 10 to pass through. It should be further understood that the shape of the annular hollow portion of the insulating partition plate 4 may be in accordance with the hollow portion of the winding, being rectangular with rounded corners; it may also be slightly different, i.e. rectangular as shown in the figure, which is more convenient to manufacture, whether it is a rounded rectangle or a regular rectangle, in order to allow the insulating spacer 4 to leave a space for the core leg to pass through.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite of not deviating from the utility model discloses, can also make a plurality of equal substitution or obvious variants, performance or usage are the same moreover, all should regard as belonging to the utility model's scope of protection.

Claims

1. The utility model provides a found double-deck antithetical couplet coil transformer that winds which characterized in that: comprises a magnetic core (1), and a primary winding (2) and a secondary winding (3) which are sleeved on a central column (10) of the magnetic core; the primary winding (2) and the secondary winding (3) respectively comprise an inner layer of vertical winding coil and an outer layer of vertical winding coil, an insulating isolation plate (4) is arranged between the primary winding (2) and the secondary winding (3), coils, which are positioned on two sides of a magnetic core center pillar (10), of the primary winding (2) are respectively sleeved with a first insulating sleeve (51) and a second insulating sleeve (52) which are used for isolating the coils and the magnetic core, and coils, which are positioned on two sides of the magnetic core center pillar, of the secondary winding (3) are respectively sleeved with a third insulating sleeve (53) and a fourth insulating sleeve (54) which are used for isolating the coils and the magnetic core.

2. The vertically wound double layer wound coil transformer of claim 1, wherein: the magnetic core (1) is formed by oppositely splicing two groups of same E-shaped magnetic cores through openings, and the center columns of one group of E-shaped magnetic cores (11) and the center columns of the other group of E-shaped magnetic cores (12) are spliced into the magnetic core center columns (10) of the magnetic core (1).

3. The vertically wound double layer wound coil transformer of claim 2, wherein: and the splicing positions of the two groups of same E-shaped magnetic cores are fixed by adopting viscose glue.

4. The vertically wound double layer wound coil transformer of claim 2, wherein: every group E type magnetic core contains 2 ~ 5 the same E type magnetic cores, contacts and bonds with glue with the E profile between two adjacent E type magnetic cores in same group.

5. The vertically wound double layer wound coil transformer of claim 1, wherein: the shape of the insulating isolation plate (4) is consistent with the winding shape of the primary winding and the secondary winding, the insulating isolation plate and the primary winding and the secondary winding are both annular, and the annular hollow part is used for the magnetic core center pillar (10) to penetrate through.

6. The vertically wound double layer wound coil transformer of claim 1, wherein: the thickness of the insulating isolation plate (4) is 1.5 mm-2.5 mm.

7. The vertically wound double layer wound coil transformer of claim 1, wherein: the inner layer and the outer layer of the primary winding are wound with the same number of turns, and two leading-out ends of the primary winding, one of the two leading-out ends is led out by the inner layer of the vertically wound coil, the other one of the two leading-out ends is led out by the outer layer of the vertically wound coil, and the two leading-out ends are positioned on the same side of the primary winding.

8. The vertically wound double layer wound coil transformer of claim 1, wherein: the inner layer and the outer layer of the secondary winding are wound with the same number of turns, and two leading-out ends of the secondary winding, one leading-out end is led out by the inner layer of the vertically wound coil, the other leading-out end is led out by the outer layer of the vertically wound coil, and the two leading-out ends are positioned on the same side of the secondary winding.