CN216412792U

CN216412792U - LED high-frequency LLC large-current transformer

Info

Publication number: CN216412792U
Application number: CN202122962347.2U
Authority: CN
Inventors: 阮少锋
Original assignee: Shenzhen Dongxingfeng Electronics Co ltd
Current assignee: Shenzhen Dongxingfeng Electronics Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-29
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to an LED high-frequency LLC (logical Link control) high-current transformer, which comprises an installation seat, wherein a magnetic sheet is arranged in the installation seat, a through groove is formed in the installation seat corresponding to the magnetic sheet, the right end of the through groove extends outwards to form an installation groove, a first support rod and a second support rod are respectively arranged at the upper end and the lower end of the installation seat, a first framework is fixedly arranged on the upper end surface of the first support rod, a second framework is fixedly arranged on the lower end surface of the second support rod, pins are connected with the right end of the second framework and are provided with a plurality of pins, a first magnetic core is detachably arranged at the upper end of the first framework, and a second magnetic core is detachably arranged at the lower end of the second framework; the magnetic sheet is conveniently mounted due to the design of the mounting groove; the design of limiting plate and limiting groove makes things convenient for the integral erection.

Description

LED high-frequency LLC large-current transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to an LED high-frequency LLC high-current transformer.

Background

At present, the high-frequency switching technology has become a trend of power supply development, but a transformer with high frequency, low voltage and large current is difficult to design and manufacture, and the development of a low-voltage and large-current switching power supply is restricted. Adopt the design of usual mode and make output voltage several volts to tens of volts, when the transformer of electric current hundreds of amperes, the coiling of heavy current winding, the structure of lead-out wire, distribution parameter scheduling problem often is the main reason that causes the power inefficiency or even inefficacy, current patent such as patent No. 200620044155.6, including magnetic core body and coil skeleton, though the device makes the temperature rise of high frequency heavy current transformer can obtain effectual control, and guarantee to work within normal temperature allowed band, and obtain more satisfactory effect, but when the device wholly uses, inconvenient equipment whole transformer, it is comparatively troublesome when the transformer wholly assembles, lack suitable limit structure, and the device is whole inconvenient when using installs the magnetic sheet, the wire winding operation is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an LED high-frequency LLC high-current transformer.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: LED high frequency LLC heavy current transformer, including the mount pad, be equipped with the magnetic sheet in the mount pad, correspond in the mount pad logical groove has been seted up to the magnetic sheet, lead to the outside extension of groove right-hand member and seted up the mounting groove, both ends are equipped with first bracing piece and second bracing piece respectively about the mount pad, the fixed first skeleton that is equipped with of first bracing piece up end, the fixed second skeleton that is equipped with of terminal surface under the second bracing piece, the connection of second skeleton right-hand member is equipped with the stitch, the stitch is provided with a plurality ofly, first skeleton upper end can be dismantled and be equipped with first magnetic core, second skeleton lower extreme can be dismantled and be equipped with the second magnetic core.

In further preferred, first skeleton up end with the terminal surface all corresponds under the second skeleton first magnetic core and second magnetic core have seted up the draw-in groove, make things convenient for the chucking installation.

In a further preferred mode, the first magnetic column and the second magnetic column are respectively arranged on the opposite sides of the first magnetic core and the second magnetic core, so that the magnetism is improved.

Preferably, the first and second frames have first and second mounting holes on opposite sides thereof corresponding to the first and second magnetic columns, respectively, and the first and second mounting holes extend inward to the first and second support rods, respectively, so as to facilitate corresponding insertion.

Preferably, the first magnetic column and the second magnetic column are symmetrically provided with limiting plates, and the first mounting hole and the second mounting hole correspond to the limiting plates and are provided with limiting grooves.

Preferably, an arc-shaped baffle is arranged in the mounting groove, a first threaded hole is formed in the arc-shaped baffle, a second threaded hole is formed in the mounting groove corresponding to the first threaded hole, the first threaded hole and the second threaded hole are both provided with a plurality of threaded holes, and the first threaded hole and the second threaded hole are connected through a bolt.

Preferably in further, a limiting rod is arranged on the arc-shaped baffle, a limiting hole is formed in the mounting groove corresponding to the limiting rod, and a plurality of limiting rods and a plurality of limiting holes are formed in the limiting rod and the limiting hole.

(III) advantageous effects

Compared with the prior art, the utility model provides the LED high-frequency LLC large-current transformer which has the following beneficial effects:

according to the utility model, the mounting groove is designed, the magnetic sheet penetrates through the mounting groove and is mounted in the through groove of the mounting seat, after the magnetic sheet is mounted, the magnetic sheet is limited, the arc-shaped baffle is correspondingly mounted in the mounting groove, the arc-shaped baffle with the limiting rod is correspondingly inserted into the limiting hole of the mounting groove, the bolt penetrates through the first threaded hole and the second threaded hole and is screwed and fixed, the bolt is preferably made of a non-metal material, the influence on electromagnetic induction is avoided, and the magnetic sheet is convenient to mount;

the design of limiting plate and spacing groove, two line cake windings accomplish the back, install first magnetic core and second magnetic core, first magnetic core lower extreme has the first magnetism post of limiting plate and sets up the first mounting hole cooperation installation of spacing groove, second magnetic core upper end has the second magnetism post of limiting plate and sets up the second mounting hole cooperation installation of spacing groove, realize first magnetic core, first magnetism post and second magnetic core, the cooperation attraction of second magnetism post, the draw-in groove cooperation joint of first magnetic core and first skeleton, the draw-in groove cooperation joint of second magnetic core and second skeleton, make things convenient for overall installation.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an LED high-frequency LLC high-current transformer in the utility model;

FIG. 2 is an exploded schematic view of the preferred overall structure of the LED high-frequency LLC high-current transformer without the first magnetic core and the second magnetic core;

FIG. 3 is a schematic diagram of a preferred matching structure of a first magnetic core, a first magnetic column and a limiting plate of the LED high-frequency LLC high-current transformer of the utility model;

FIG. 4 is a schematic diagram of a matching structure of a second magnetic core, a second magnetic column and a limiting plate which are preferred by the LED high-frequency LLC high-current transformer in the utility model;

FIG. 5 is a schematic diagram of an overall structure of the LED high-frequency LLC high-current transformer preferably without a first magnetic core and a second magnetic core;

fig. 6 is an enlarged view of a portion of a structure in fig. 2.

In the figure: 1. a mounting seat; 2. a magnetic sheet; 3. a through groove; 4. mounting grooves; 5. a first support bar; 6. a second support bar; 7. a first skeleton; 8. a second skeleton; 9. a stitch; 10. a first magnetic core; 11. a second magnetic core; 12. a card slot; 13. a first magnetic pillar; 14. a second magnetic pillar; 15. a first mounting hole; 16. a second mounting hole; 17. a limiting plate; 18. a limiting groove; 19. an arc-shaped baffle plate; 20. a first threaded hole; 21. A second threaded hole; 22. a limiting rod; 23. and a limiting hole.

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.

The first embodiment is as follows:

referring to fig. 1-6, a high-frequency LLC large-current transformer for LED includes a mounting base 1, a magnetic sheet 2 is arranged in the mounting base 1, a through groove 3 is formed in the mounting base 1 corresponding to the magnetic sheet 2, a mounting groove 4 is formed by extending the right end of the through groove 3 outwards, a first support rod 5 and a second support rod 6 are respectively arranged at the upper end and the lower end of the mounting base 1, a first framework 7 is fixedly arranged on the upper end surface of the first support rod 5, a second framework 8 is fixedly arranged on the lower end surface of the second support rod 6, a pin 9 is connected to the right end of the second framework 8, the pin 9 is provided with a plurality of structures, a first magnetic core 10 is detachably arranged at the upper end of the first framework 7, and a second magnetic core 11 is detachably arranged at the lower end of the second framework 8.

Referring to fig. 2-5, in this embodiment, the upper end surface of the first framework 7 and the lower end surface of the second framework 8 are respectively provided with a clamping groove 12 corresponding to the first magnetic core 10 and the second magnetic core 11, one side of the opposite surfaces of the first magnetic core 10 and the second magnetic core 11 is respectively provided with a first magnetic pillar 13 and a second magnetic pillar 14, the opposite sides of the first framework 7 and the second framework 8 are respectively provided with a first mounting hole 15 and a second mounting hole 16 corresponding to the first magnetic pillar 13 and the second magnetic pillar 14, the first mounting hole 15 and the second mounting hole 16 respectively extend inward to the first supporting rod 5 and the second supporting rod 6, the first magnetic pillar 13 and the second magnetic pillar 14 are respectively provided with a limiting plate 17 symmetrically, the first mounting hole 15 and the second mounting hole 16 are respectively provided with a limiting groove 18 corresponding to a plurality of limiting plates 17, the first magnetic pillar 13 with the limiting plate 17 at the lower end of the first framework 10 and the first mounting hole 15 provided with the limiting groove 18 are installed in a matching manner, the second magnetic column 14 with the limiting plate 17 at the upper end of the second magnetic core 11 is installed in a matching way with the second installation hole 16 provided with the limiting groove 18.

Referring to fig. 1, fig. 2, fig. 5 and fig. 6, in this embodiment, an arc-shaped baffle 19 is disposed in the mounting groove 4, a first threaded hole 20 is formed in the arc-shaped baffle 19, a second threaded hole 21 is formed in the mounting groove 4 corresponding to the first threaded hole 20, the first threaded hole 20 and the second threaded hole 21 are both provided with a plurality of holes, the first threaded hole 20 and the second threaded hole 21 are connected through a bolt, a limit rod 22 is disposed on the arc-shaped baffle 19, a limit hole 23 is formed in the mounting groove 4 corresponding to the limit rod 22, the limit rod 22 and the limit hole 23 are both provided with a plurality of holes, the arc-shaped baffle 19 is correspondingly mounted in the mounting groove 4, the arc-shaped baffle 19 with the limit rod 22 is correspondingly inserted into the limit hole 23 of the mounting groove 4, and the bolt passes through the first threaded hole 20 and the second threaded hole 21 to be screwed and fixed.

Example two:

in conclusion, when using, at first install the device wholly, pass the logical inslot 3 of installing seat 1 with magnetic sheet 2 installation of mounting groove 4, after the installation of magnetic sheet 2 was accomplished, it is spacing to realize magnetic sheet 2, correspondingly install arc baffle 19 in mounting groove 4, arc baffle 19 that has gag lever post 22 corresponds the spacing hole 23 that inserts mounting groove 4, the bolt passes first screw hole 20 and second screw hole 21 screws up fixedly, the preferred non-metallic material that chooses for use of bolt, avoid causing the influence to electromagnetic induction, after the installation of arc baffle 19 was accomplished, carry out the wire winding operation, twine a line cake on first bracing piece 5 between mount pad 1 and first skeleton 7, another line cake twines on second bracing piece 6 between mount pad 1 and second skeleton 8.

Example three:

in conclusion, when the magnetic core winding machine is used, after two wire cakes are wound, the first magnetic core 10 and the second magnetic core 11 are installed, the first magnetic column 13 with the limiting plate 17 at the lower end of the first magnetic core 10 and the first installation hole 15 with the limiting groove 18 are installed in a matched mode, the second magnetic column 14 with the limiting plate 17 at the upper end of the second magnetic core 11 and the second installation hole 16 with the limiting groove 18 are installed in a matched mode, the first magnetic core 10, the first magnetic column 13, the second magnetic core 11 and the second magnetic column 14 are matched and attracted, the first magnetic core 10 and the clamping groove 12 of the first framework 7 are matched and clamped, the second magnetic core 11 and the clamping groove 12 of the second framework 8 are matched and clamped, integral installation is achieved, and the limiting plate 17, the arc-shaped baffle plate 19 and the limiting rod 22 are made of nonmetal materials.

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

An LED high-frequency LLC high-current transformer comprises a mounting seat (1) and is characterized in that, a magnetic sheet (2) is arranged in the mounting seat (1), a through groove (3) is arranged in the mounting seat (1) corresponding to the magnetic sheet (2), the right end of the through groove (3) extends outwards to form a mounting groove (4), the upper end and the lower end of the mounting seat (1) are respectively provided with a first supporting rod (5) and a second supporting rod (6), a first framework (7) is fixedly arranged on the upper end surface of the first supporting rod (5), a second framework (8) is fixedly arranged on the lower end surface of the second supporting rod (6), the right end of the second framework (8) is connected with a plurality of stitches (9), the stitches (9) are provided, first skeleton (7) upper end can be dismantled and be equipped with first magnetic core (10), second skeleton (8) lower extreme can be dismantled and be equipped with second magnetic core (11).
2. The LED high frequency LLC high current transformer of claim 1, wherein: first skeleton (7) up end with terminal surface all corresponds under second skeleton (8) draw-in groove (12) have been seted up in first magnetic core (10) and second magnetic core (11).
3. The LED high frequency LLC high current transformer of claim 2, wherein: and a first magnetic column (13) and a second magnetic column (14) are respectively arranged on one sides of opposite surfaces of the first magnetic core (10) and the second magnetic core (11).
4. The LED high frequency LLC high current transformer of claim 3, wherein: the first magnetic column (13) and the second magnetic column (14) are respectively provided with a first mounting hole (15) and a second mounting hole (16) at opposite sides of the first framework (7) and the second framework (8), and the first mounting hole (15) and the second mounting hole (16) respectively extend inwards to the first supporting rod (5) and the second supporting rod (6).
5. The LED high frequency LLC high current transformer of claim 4, wherein: all symmetry is equipped with limiting plate (17) on first magnetic column (13) and second magnetic column (14), first mounting hole (15) and second mounting hole (16) all correspond a plurality of spacing groove (18) have been seted up to limiting plate (17).
6. The LED high frequency LLC high current transformer of claim 1, wherein: be equipped with arc baffle (19) in mounting groove (4), first screw hole (20) have been seted up on arc baffle (19), correspond on mounting groove (4) second screw hole (21) have been seted up in first screw hole (20), first screw hole (20) and second screw hole (21) all are provided with a plurality ofly, bolted connection is passed through in first screw hole (20) and second screw hole (21).
7. The LED high frequency LLC high current transformer of claim 6, wherein: be equipped with gag lever post (22) on arc baffle (19), correspond on mounting groove (4) gag lever post (22) have seted up spacing hole (23), gag lever post (22) and spacing hole (23) all are provided with a plurality ofly.