CN215007845U

CN215007845U - High-efficiency full-bridge LLC resonant DCDC transformer

Info

Publication number: CN215007845U
Application number: CN202121268264.7U
Authority: CN
Inventors: 林闪遵
Original assignee: Shenzhen Baohui Technology Co ltd
Current assignee: Shenzhen Baohui Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-03
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to a transformer technical field, and disclose high efficiency full-bridge LLC resonant mode DCDC transformer, including transformer body, insulator, touch body and notes oil pipe, the sealed lid with notes oil pipe looks adaptation is installed through the screw thread on notes oil pipe top, and two equal distributions about the lateral wall of transformer body have evenly seted up the mounting hole, and the circular port of mounting hole for running through transformer body lateral wall and the inside intercommunication of transformer body installs heat dissipation oil pipe in the mounting hole. The utility model discloses in, this high efficiency full-bridge LLC resonant mode DCDC transformer, after heat dissipation oil pipe conducts the heat to the fin, the fin can give off the heat to the air very fast, passes the inside oil of heat dissipation oil pipe get back to the transformer body and has lost the heat after treating in the inside below of transformer body, wait for hot oil of top to get into heat dissipation oil pipe after absorbed the heat again and get back to the top, the formation circulation has reached reinforcing radiating effect.

Description

High-efficiency full-bridge LLC resonant DCDC transformer

Technical Field

The utility model relates to a transformer technical field especially relates to high efficiency full-bridge LLC resonant mode DCDC transformer.

Background

The transformer is a complete set of transformation equipment, can be used for terminal power supply and looped network power supply, is very convenient to convert, and ensures the reliability and flexibility of the power supply; the existing transformer comprises a shell and a transformer assembly arranged in the shell, but the transformer can generate much heat in the operation process, if the heat can not be dissipated in time, the transformer can be seriously influenced, the service life of the transformer is shortened, and even the transformer cannot work normally.

Patent No. CN203026303U provides a transformer, which includes an oil tank, a transformer body disposed in the oil tank, and a heat dissipation fin disposed outside the oil tank and connected to the oil tank. The utility model provides a transformer sets up a plurality of radiating fin respectively through four sides at the oil tank, has realized the effective release of heat energy in the transformer, and simple structure, has solved the not good technical problem of transformer radiating effect among the prior art.

Although the technology in the above scheme achieves the heat dissipation effect, the heat dissipation effect is not ideal because the heat dissipation fins are used for directly performing air cooling heat dissipation. Therefore, a high-efficiency full-bridge LLC resonant DCDC transformer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide high efficiency full-bridge LLC resonant mode DCDC transformer.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, high efficiency full-bridge LLC resonant mode DCDC transformer, including the transformer body, an insulator, touch body and notes oil pipe, the sealed lid with notes oil pipe looks adaptation is installed through the screw thread in notes oil pipe top, the mounting hole has evenly been seted up to two equal distributions about the lateral wall of transformer body about, the circular port of mounting hole for running through transformer body lateral wall and the inside intercommunication of transformer body, install heat dissipation oil pipe in the mounting hole, heat dissipation oil pipe is the pipe of C shape, heat dissipation oil pipe's lateral wall is the ring-shaped distribution's the fin of installing, the fin is the piece of T shape for the cross section.

Preferably, the number of the insulators is six, the six groups of insulators are uniformly distributed and fixedly installed on the top of the transformer body, the number of the contacts is two, the two groups of contacts are fixedly installed on the top of the transformer body and communicated with the inside of the transformer body, and the oil injection pipe is welded on the top of the transformer body and communicated with the inside of the transformer body.

Preferably, the bottom of the transformer body is provided with two sets of mounting bottom plates, and the outer side wall of the transformer body is provided with a mounting frame fixedly connected with the top of the mounting bottom plate.

Preferably, the mounting base plate is provided with a plurality of groups of universal wheel mounting holes penetrating through the upper wall surface and the lower wall surface of the mounting base plate, and the front side wall surface of the mounting frame is provided with a hanging hole.

Preferably, the inside of the mounting hole is embedded with a sealing ring attached to the side wall of the heat dissipation oil pipe.

Advantageous effects

The utility model provides a resonant mode DCDC transformer of high efficiency full-bridge LLC. The method has the following beneficial effects:

(1) the high-efficiency full-bridge LLC resonant DCDC transformer comprises a transformer body, wherein a large amount of heat is generated when the transformer body operates, a large amount of cooling oil is injected into the transformer body through an oil injection pipe by opening a sealing cover, then the sealing cover is closed, after the transformer body operates to generate heat, the heat is absorbed by the oil in the transformer body, the oil absorbs the heat and can be heated, the hot oil can move upwards in the transformer body, so that the inside of the transformer body is in a state that the hot oil is above and the cold oil is below, the hot oil above can pass through a mounting hole to enter the inside of a heat dissipation oil pipe and then move downwards, in the process of moving downwards, the heat is transmitted to the heat dissipation oil pipe, and the heat dissipation oil pipe is provided with a heat dissipation fin which is arranged, the heat dissipation fin can be fast with in the heat gives off the air, and the oil that gets back to transformer body inside through the heat dissipation oil pipe waits for in the inside below of transformer body after having lost the heat, has absorbed the heat again and has got back to the top after waiting for the hot oil of top to get into heat dissipation oil pipe, forms the circulation, has reached reinforcing radiating effect.

(2) This high efficiency full-bridge LLC resonant mode DCDC transformer, because the below of transformer body is provided with mounting plate, the last installation frame of installing of mounting plate, so whole hanging hole just is located the inside of installation frame, and the mounting hole has been seted up on the mounting plate, the mountable universal wheel of mounting hole, just can be very convenient after the universal wheel is installed on the mounting hole remove the transformer body, and the hanging hole has been seted up on the installation frame, the hanging hole can be hung and installed the couple when getting to the transformer body, the effect of being convenient for remove and installing has been reached.

(3) This high efficiency full-bridge LLC resonant DCDC transformer, because heat dissipation oil pipe is installed in the inside of mounting hole, the gap probably appears between mounting hole and the heat dissipation oil pipe after long-time use, the inside oil of transformer body just probably flows from the gap when appearing the gap, so there is the sealing ring at the internally mounted of mounting hole, and the sealing ring is all elastic, and the inner wall of sealing ring can tightly laminate heat dissipation oil pipe's lateral wall always, avoids oil to spill from the position of mounting hole and heat dissipation oil pipe installation.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a schematic view of a heat sink structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the second embodiment of the present invention.

Illustration of the drawings:

1. a transformer body; 2. an insulator; 3. a contact body; 4. an oil filling pipe; 5. a sealing cover; 6. mounting holes; 7. a heat-dissipating oil pipe; 8. a heat sink; 9. mounting a bottom plate; 10. a mounting frame; 11. a universal wheel mounting hole; 12. hanging holes; 13. and (4) a sealing ring.

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.

The first embodiment is as follows: as shown in fig. 1-2, the high-efficiency full-bridge LLC resonant DCDC transformer includes a transformer body 1, insulators 2, contacts 3 and an oil injection pipe 4, the transformer body 1 is a hollow rectangular structure, the insulators 2 are truncated cone-shaped structures, there are six groups of insulators 2, six groups of insulators 2 are uniformly distributed and fixedly mounted on the top of the transformer body 1, the contacts 3 are cylindrical structures, there are two groups of contacts 3, two groups of contacts 3 are fixedly mounted on the top of the transformer body 1 and are communicated with the inside of the transformer body 1, the oil injection pipe 4 is a circular pipe, the oil injection pipe 4 is welded on the top of the transformer body 1 and is communicated with the inside of the transformer body 1, a sealing cover 5 matched with the oil injection pipe 4 is mounted on the top of the oil injection pipe 4 through threads, the sealing cover 5 is a hollow cylindrical structure, a plurality of groups of mounting holes 6 are uniformly distributed on the upper and lower two positions of the left and right side walls of the transformer body 1, the mounting hole 6 is the circular port that runs through 1 lateral wall of transformer body and 1 inside intercommunication of transformer body, installs heat dissipation oil pipe 7 in the upper and lower two sets of mounting holes 6 that correspond, and heat dissipation oil pipe 7 is the pipe of C shape, and heat dissipation oil pipe 7's lateral wall is the annular distribution install fin 8, and fin 8 is the piece that the cross section is the T shape.

The bottom of transformer body 1 is provided with two sets of mounting plate 9, mounting plate 9 is hollow structure's rectangular pipe, transformer body 1's lateral wall is provided with the installation frame 10 with 9 top fixed connection of mounting plate, installation frame 10 is the rectangular structure, set up the multiunit on mounting plate 9 and run through universal wheel mounting hole 11 of wall about mounting plate 9, universal wheel mounting hole 11 is the circular shape hole, mounting frame 10's preceding lateral wall has seted up hanging hole 12, hanging hole 12 is the hole of L shape.

When in use, as the transformer body 1 can generate a large amount of heat during operation, the sealing cover 5 is opened to inject a large amount of cooling oil into the transformer body 1 through the oil injection pipe 4, and then the sealing cover 5 is closed, after the transformer body 1 generates heat during operation, the heat can be absorbed by the oil in the transformer body 1, the oil can be heated after absorbing the heat, the hot oil can move upwards in the transformer body 1, so that the inside of the transformer body 1 is in a state that the hot oil is above and the cold oil is below, the hot oil above can pass through the mounting hole 6 to enter the inside of the heat dissipation oil pipe 7 and then move downwards, and in the process of moving downwards, the heat is conducted to the heat dissipation oil pipe 7, and the heat dissipation oil pipe 7 is provided with the heat dissipation fins 8, due to the special structure of the heat dissipation fins 8, after the heat dissipation oil pipe 7 conducts the heat to the heat dissipation fins 8, the heat dissipation fins 8 can quickly dissipate heat to the air, oil which returns to the inside of the transformer body 1 through the heat dissipation oil pipe 7 loses the heat and then waits below the inside of the transformer body 1, hot oil above the oil enters the heat dissipation oil pipe 7 and then absorbs the heat to return to the top, circulation is formed, and the effect of enhancing heat dissipation is achieved.

Because transformer body 1's below is provided with mounting plate 9, mounting frame 10 is installed to last the installing of mounting plate 9, so whole hanging hole 12 just lies in the inside of installing frame 10, and universal wheel mounting hole 11 has been seted up on mounting plate 9, universal wheel 11 mountable universal wheel of universal wheel mounting hole, just can very convenient remove transformer body 1 after the universal wheel is installed to universal wheel mounting hole 11, and the hanging hole 12 has been seted up on installing frame 10, hanging hole 12 can hang the installation couple when getting transformer body 1, the effect of being convenient for remove and installing has been reached.

Example two: in the first embodiment, as shown in fig. 3, a sealing ring 13 attached to the side wall of the heat radiation oil pipe 7 is embedded in the mounting hole 6, and the sealing ring 13 has a circular ring structure.

When the transformer body is used, the heat dissipation oil pipe 7 is arranged inside the mounting hole 6, a gap can be formed between the mounting hole 6 and the heat dissipation oil pipe 7 after long-time use, and oil inside the transformer body 1 can flow out from the gap after the gap is formed, so that the sealing ring 13 is arranged inside the mounting hole 6, the sealing ring 13 is elastic, the inner wall of the sealing ring 13 can be tightly attached to the side wall of the heat dissipation oil pipe 7 all the time, and the oil is prevented from leaking from the mounting position of the mounting hole 6 and the heat dissipation oil pipe 7.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. High efficiency full-bridge LLC resonant mode DCDC transformer, including transformer body (1), insulator (2), touch body (3) and notes oil pipe (4), its characterized in that: sealed lid (5) with oiling pipe (4) looks adaptation are installed through the screw thread on oiling pipe (4) top, evenly distributed cloth has evenly been seted up mounting hole (6) about transformer body (1) two places on the lateral wall, circular port of mounting hole (6) for running through transformer body (1) lateral wall and transformer body (1) inside intercommunication installs heat dissipation oil pipe (7) in mounting hole (6), heat dissipation oil pipe (7) are the pipe of C shape, the lateral wall of heat dissipation oil pipe (7) is installing fin (8) that the annular distributes, fin (8) are the piece of cross section for T shape.

2. The high-efficiency full-bridge LLC resonant DCDC transformer according to claim 1, characterized in that: insulator (2) are total six groups, six insulator (2) fixed mounting that distribute evenly are at the top of transformer body (1), touch body (3) total two sets ofly, two sets of touch body (3) fixed mounting at the top of transformer body (1) and with the inside intercommunication of transformer body (1), oiling pipe (4) welding is at the top of transformer body (1) and with the inside intercommunication of transformer body (1).

3. The high-efficiency full-bridge LLC resonant DCDC transformer according to claim 1, characterized in that: the transformer is characterized in that two sets of mounting bottom plates (9) are arranged at the bottom of the transformer body (1), and a mounting frame (10) fixedly connected with the tops of the mounting bottom plates (9) is arranged on the outer side wall of the transformer body (1).

4. The high-efficiency full-bridge LLC resonant DCDC transformer according to claim 3, wherein: the mounting base plate (9) is provided with a plurality of groups of universal wheel mounting holes (11) penetrating through the upper wall surface and the lower wall surface of the mounting base plate (9), and the front side wall surface of the mounting frame (10) is provided with hanging holes (12).

5. The high-efficiency full-bridge LLC resonant DCDC transformer according to claim 1, characterized in that: and a sealing ring (13) attached to the side wall of the heat dissipation oil pipe (7) is embedded in the mounting hole (6).