CN215815523U

CN215815523U - Reduce high frequency transformer magnetic core of temperature rise

Info

Publication number: CN215815523U
Application number: CN202121107099.7U
Authority: CN
Inventors: 黄秋萍
Original assignee: Pingxiang Jiacheng Magnetic Material Co ltd
Current assignee: Pingxiang Jiacheng Magnetic Material Co ltd
Priority date: 2021-05-23
Filing date: 2021-05-23
Publication date: 2022-02-11
Anticipated expiration: 2031-05-23

Abstract

The utility model relates to the technical field of electronic parts and discloses a high-frequency transformer magnetic core capable of reducing temperature rise, which comprises a first magnetic core and a second magnetic core, wherein heat dissipation rings are fixedly arranged on the outer surfaces of the first magnetic core and the second magnetic core, a first heat dissipation groove is formed in the inner cavity of each heat dissipation ring, a second heat dissipation groove is formed in the inner cavity of each heat dissipation ring, the high-frequency transformer magnetic core capable of reducing temperature rise guides external cold air into the first heat dissipation groove and the third heat dissipation groove of each heat dissipation ring through air plates through heat dissipation air pipes, then discharges hot air out of the other air plate, flows water into the second heat dissipation groove through heat dissipation water pipes, and is matched with heat dissipation fins, so that efficient heat dissipation of the magnetic core is realized, the temperature rise of a high-frequency transformer is reduced, the heat dissipation effect of the magnetic core is greatly improved, the damage of high temperature to surrounding electronic components is reduced, and the service life of the magnetic core is prolonged, the service life of the high-frequency transformer is prolonged.

Description

Reduce high frequency transformer magnetic core of temperature rise

Technical Field

The utility model relates to the technical field of electronic parts, in particular to a high-frequency transformer magnetic core capable of reducing temperature rise.

Background

The high-frequency transformer is a power transformer with the working frequency exceeding the medium frequency (10kHz), is mainly used as a high-frequency switching power transformer in a high-frequency switching power supply, and is also used as a high-frequency inverter power transformer in a high-frequency inverter power supply and a high-frequency inverter welding machine, and the magnetic core of the transformer is an important component in the components of the transformer, and the performance of the magnetic core greatly affects the quality of the transformer.

When the existing high-frequency transformer magnetic core is used, a large amount of heat can be generated at the contact place of a coil and the magnetic core when most of the magnetic cores are used, the temperature rise is high, the service life of the magnetic core can be influenced by high temperature, peripheral electronic elements can be damaged, meanwhile, when the magnetic core is installed, the butt joint is inconvenient, the dislocation phenomenon is easy to occur, and the work and the use are influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the high-frequency transformer magnetic core capable of reducing the temperature rise, which has the advantages of efficiently cooling the magnetic core, reducing the temperature rise of the high-frequency transformer, facilitating the disassembly, assembly, fixation and limitation of the magnetic core and the like, and solves the problems of poor heat dissipation effect, high temperature rise, inconvenience in disassembly, assembly and limitation and fixation of the conventional high-frequency transformer magnetic core.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: a high-frequency transformer magnetic core capable of reducing temperature rise comprises a first magnetic core and a second magnetic core, wherein heat dissipation rings are fixedly mounted on the outer surfaces of the first magnetic core and the second magnetic core, a first heat dissipation groove is formed in the inner cavity of each heat dissipation ring, a second heat dissipation groove is formed in the inner cavity of each heat dissipation ring, a third heat dissipation groove is formed in the inner cavity of each heat dissipation ring, heat dissipation water pipes are communicated with the two sides of the top of each heat dissipation ring, the outer surfaces of the heat dissipation water pipes are fixedly connected with the inner surfaces of the second heat dissipation groove, heat dissipation air pipes are communicated with the two sides of the top of each heat dissipation ring and positioned in front of and behind the heat dissipation water pipes, the outer surfaces of the heat dissipation air pipes are fixedly connected with the inner surfaces of the first heat dissipation groove and the third heat dissipation groove, heat dissipation fins are fixedly mounted on one side, away from each other, of the first magnetic core and the second magnetic core, and the two sides of the heat dissipation fins are communicated with one end of each heat dissipation water pipe, the first magnetic core and the second magnetic core are mutually far away from one side, the front and the rear of the radiating fins are fixedly provided with air plates, and one end of the radiating air pipe is communicated with one side of the air plates.

Preferably, the equal fixed mounting joint piece in both sides of a magnetic core bottom, the spout has all been seted up in the back in the front of joint piece.

Preferably, the front and the equal fixed mounting in back of joint piece have a fixed block, the front and the back of joint piece just are located the below fixed mounting of a fixed block and have No. two fixed blocks.

Preferably, the two sides of the top of the second magnetic core are both provided with clamping grooves, and the outer surface of each clamping block is connected with the inner surface of each clamping groove in a sliding mode.

Preferably, the inner wall of the clamping groove is provided with an extrusion block in a sliding manner, and the bottom of the extrusion block is fixedly provided with a spring.

Preferably, the inner wall of the clamping groove is located in front of the extrusion block, the rear of the extrusion block is rotatably provided with a fixed rod, and the outer surface of the fixed rod is connected with the inner surface of the sliding groove in a sliding mode.

(III) advantageous effects

Compared with the prior art, the utility model provides the high-frequency transformer magnetic core capable of reducing the temperature rise, which has the following beneficial effects: this reduce high frequency transformer magnetic core accessible aerofoil of temperature rise is through the radiating air pipe with the leading-in radiating groove and No. three radiating grooves to the radiating ring of external cold wind, discharge hot-blast another aerofoil from again, No. two radiating grooves are advanced with the rivers to rethread radiating pipe, the cooperation of rethread fin, thereby the efficient heat dissipation to the magnetic core has been realized, the temperature rise of high frequency transformer has been reduced, through the cooperation of a fixed block and spout on the joint piece, the cooperation of extrusion piece and spring simultaneously, make the dead lever joint of joint inslot on a fixed block, the cooperation of No. two fixed blocks of rethread, thereby realized that the portable dismouting to the magnetic core is fixed.

1. This reduce high frequency transformer magnetic core of temperature rise, through the aerofoil with the leading-in radiating groove and the radiating groove No. three of radiating ring of external cold wind through the heat dissipation tuber pipe, again with hot-blast discharge from another aerofoil, rethread radiating pipe is with rivers entering radiating groove No. two, the cooperation of rethread fin, thereby realized the efficient heat dissipation to the magnetic core, the temperature rise of high frequency transformer has been reduced, the radiating effect of magnetic core is greatly improved, the damage of too high temperature to surrounding electronic component has been reduced, the life of magnetic core has been prolonged simultaneously, the service life of high frequency transformer has been improved.

2. This reduce high frequency transformer magnetic core of temperature rise, through the cooperation of a fixed block and spout on the joint piece, the cooperation of extrusion piece and spring simultaneously makes the dead lever joint of joint inslot on a fixed block, the cooperation of No. two fixed blocks of rethread to realized fixed to the portable dismouting of magnetic core, reduced the intensity of labour of worker installation, improved the installation effectiveness, guaranteed magnetic mounted position simultaneously, reduced the magnetism dislocation and leaded to influencing work.

Drawings

Fig. 1 is a front view of the internal structure of the present invention.

Fig. 2 is a side view of the internal structure of the present invention.

FIG. 3 is an enlarged view of A of FIG. 3 according to the present invention.

Fig. 4 is a perspective view of a partial structure of the heat dissipating ring of the present invention.

Fig. 5 is a perspective view showing an external structure of the heat sink according to the present invention.

In the figure: 1. a first magnetic core; 2. a second magnetic core; 3. a heat dissipation ring; 4. a first heat sink; 5. a second heat sink; 6. a third heat sink; 7. a heat dissipation water pipe; 8. a heat dissipation air pipe; 9. a heat sink; 10. a wind plate; 11. a clamping block; 12. a chute; 13. a first fixed block; 14. a second fixed block; 15. a clamping groove; 16. extruding the block; 17. a spring; 18. and (5) fixing the rod.

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.

Referring to fig. 1-5, a high frequency transformer magnetic core for reducing temperature rise comprises a first magnetic core 1 and a second magnetic core 2, heat dissipation rings 3 are fixedly mounted on the outer surfaces of the first magnetic core 1 and the second magnetic core 2, a first heat dissipation groove 4 is formed in the inner cavity of the heat dissipation ring 3, a second heat dissipation groove 5 is formed in the inner cavity of the heat dissipation ring 3, a third heat dissipation groove 6 is formed in the inner cavity of the heat dissipation ring 3, heat dissipation water pipes 7 are communicated with the two sides of the top of the heat dissipation ring 3, the heat dissipation water pipes 7 are communicated with the second heat dissipation groove 5 in the heat dissipation ring 3, the heat dissipation water pipes 7 are communicated with each heat dissipation ring 3, the outer surface of each heat dissipation water pipe 7 is fixedly connected with the inner surface of the second heat dissipation groove 5, heat dissipation air pipes 8 are communicated with the rear parts of the two sides of the top of the heat dissipation ring 3 and positioned in front of the heat dissipation water pipes 7, the outer surfaces of the first magnetic core 1 and the second magnetic core 2 are communicated with heat dissipation air pipes 8, the first heat dissipation groove 4 and the third heat dissipation groove 6 are communicated with each heat dissipation ring 3, the outer surface of a heat dissipation air duct 8 is fixedly connected with the inner surfaces of a first heat dissipation groove 4 and a third heat dissipation groove 6, a heat dissipation sheet 9 is fixedly installed on one side, away from each other, of a first magnetic core 1 and a second magnetic core 2, the inner cavity of the heat dissipation sheet 9 is hollow, two sides of the heat dissipation sheet 9 are communicated with one end of a heat dissipation water pipe 7, wind plates 10 are fixedly installed on one side, away from each other, of the first magnetic core 1 and the second magnetic core 2, in front of and behind the heat dissipation sheet 9, one end of the heat dissipation air duct 8 is communicated with one side of the wind plates 10, clamping blocks 11 are fixedly installed on two sides of the bottom of the first magnetic core 1, sliding grooves 12 are formed in the front and the back of the clamping blocks 11, a first fixing block 13 is fixedly installed on the front and the back of the clamping blocks 11, a second fixing block 14 is fixedly installed on the front and the back of the clamping blocks 11 and below the first fixing block 13, clamping grooves 15 are formed in two sides of the top of the second magnetic core 2, the surface of joint piece 11 and the internal surface sliding connection in joint groove 15, the inner wall sliding mounting in joint groove 15 has extrusion piece 16, the bottom fixed mounting of extrusion piece 16 has spring 17, the inside wall of joint groove 15 just is located the place ahead and the rear of extrusion piece 16 and all rotates and installs dead lever 18, the back fixed mounting of dead lever 18 has the kelly, kelly and No. one fixed block 13 joint, the surface of dead lever 18 and the internal surface sliding connection of spout 12.

The working principle is as follows: firstly, when the magnetic core generates temperature rise, heat is led into the heat dissipation ring 3, then, external cold air is poured into the first heat dissipation groove 4 and the third heat dissipation groove 6 in the heat dissipation ring 3 through the heat dissipation air pipe 8 and the air plate 10 to dissipate heat of the magnetic core, simultaneously, water in the heat dissipation water pipe 7 circulates in the second heat dissipation groove 5 in the heat dissipation ring 3 to take away the heat, simultaneously, water in the heat dissipation water pipe 7 enters the heat dissipation fins 9 to dissipate the heat in the water to the outside, thereby realizing the high-efficiency heat dissipation of the magnetic core, reducing the temperature rise of the high-frequency transformer, simultaneously, when a worker installs, the clamping block 11 in the first magnetic core 1 is inserted into the clamping groove 15 of the second magnetic core 2, then the clamping block 11 extrudes the extrusion plate 16, the spring 17 contracts, the fixing rod 18 slides to the top of the first fixing block 13 from the right side of the chute 12, then, the first magnetic core 1 is loosened, and the fixing rod 18 is clamped on the first fixing block 13, when the magnetic core needs to be disassembled, the fixing rod 18 slides out of the first fixing block 13 and slides out of the left side of the sliding groove 12 under the action of the second fixing block 14 after being pressed once, so that the magnetic core is conveniently disassembled, assembled and fixed.

In conclusion, this reduce high frequency transformer magnetic core of temperature rise accessible aerofoil 10 is through heat dissipation tuber pipe 8 with the leading-in radiating groove 4 and No. three radiating groove 6 of radiating ring 3 of external cold wind, again with hot-blast discharge from another aerofoil 10, rethread radiating pipe 7 is with rivers advance No. two radiating grooves 5, rethread fin 9's cooperation, thereby realized the efficient heat dissipation to the magnetic core, high frequency transformer's temperature rise has been reduced, through the cooperation of a fixed block 13 and spout 12 on the joint piece 11, the cooperation of extrusion piece 17 and spring 17 simultaneously, make the dead lever 18 joint of joint inslot 15 on a fixed block 13, rethread No. two fixed blocks 14's cooperation, thereby realized that the portable dismouting of magnetic core is fixed.

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

1. The utility model provides a reduce high frequency transformer core of temperature rise, includes a magnetic core (1) and No. two magnetic cores (2), its characterized in that: the heat dissipation device is characterized in that heat dissipation rings (3) are fixedly mounted on the outer surfaces of the first magnetic core (1) and the second magnetic core (2), a first heat dissipation groove (4) is formed in an inner cavity of each heat dissipation ring (3), a second heat dissipation groove (5) is formed in an inner cavity of each heat dissipation ring (3), a third heat dissipation groove (6) is formed in an inner cavity of each heat dissipation ring (3), heat dissipation water pipes (7) are communicated with two sides of the top of each heat dissipation ring (3), the outer surfaces of the heat dissipation water pipes (7) are fixedly connected with the inner surfaces of the second heat dissipation grooves (5), heat dissipation air pipes (8) are communicated with the front and the rear of each heat dissipation water pipe (7), the outer surfaces of the heat dissipation air pipes (8) are fixedly connected with the inner surfaces of the first heat dissipation groove (4) and the third heat dissipation grooves (6), and cooling fins (9) are fixedly mounted on one side, away from each other, of the first magnetic core (1) and the second magnetic core (2), the two sides of the radiating fins (9) are communicated with one end of the radiating water pipe (7), one side, far away from each other, of the first magnetic core (1) and the second magnetic core (2) is located on the front side and the rear side of the radiating fins (9), and air plates (10) are fixedly mounted on the front side and the rear side of the radiating air pipe (8), and one end of the radiating air pipe is communicated with one side of the air plates (10).

2. The high-frequency transformer core with reduced temperature rise according to claim 1, wherein: equal fixed mounting joint piece (11) in both sides of a magnetic core (1) bottom, spout (12) have all been seted up with the back in the front of joint piece (11).

3. The high-frequency transformer core with reduced temperature rise according to claim 2, wherein: the front and the equal fixed mounting in the back of joint piece (11) have fixed block (13) No. one, the front and the back of joint piece (11) just are located the below fixed mounting of fixed block (13) and have No. two fixed blocks (14).

4. The high-frequency transformer core with reduced temperature rise according to claim 2, wherein: no. two magnetic core (2) top both sides have all been seted up joint groove (15), the surface of joint piece (11) and the internal surface sliding connection in joint groove (15).

5. The high-frequency transformer core with reduced temperature rise according to claim 4, wherein: the inner wall slidable mounting of joint groove (15) has extrusion piece (16), the bottom fixed mounting of extrusion piece (16) has spring (17).

6. The high-frequency transformer core with reduced temperature rise according to claim 5, wherein: the inner wall of the clamping groove (15) is located in front of the extrusion block (16) and is rotatably provided with a fixing rod (18) at the rear, and the outer surface of the fixing rod (18) is connected with the inner surface of the sliding groove (12) in a sliding mode.