CN215643990U

CN215643990U - Quick charge utensils high-efficient radiating planar transformer

Info

Publication number: CN215643990U
Application number: CN202121613082.9U
Authority: CN
Inventors: 朱乔生
Original assignee: Heyuan Yongjia Industry Co ltd
Current assignee: Heyuan Yongjia Industry Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-25
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a planar transformer with high-efficiency heat dissipation for a quick charger, relating to the technical field of planar transformers, by arranging and starting the micro motor, the fan blade rotates along with the driving end of the micro motor through the fan head, the air flow outside the utility model is pumped into the installation box, the air cooling and heat dissipation function of the utility model is realized when the air flow passes through the planar transformer body, the chute guides the heat on the planar transformer body into the cold medium in the water tank through the heat dissipation sheet A, the water cooling and heat dissipation function of the utility model is further realized, by arranging the heat dissipation sheet B, the air flow is cooled, so that the air cooling and heat dissipation functions of the utility model are improved, the planar transformer body is not easy to be damaged by heat, through the arrangement of the plurality of air vents, the exchange of air inside and outside the planar transformer body is facilitated, and the heat dissipation function of the planar transformer is further improved.

Description

Quick charge utensils high-efficient radiating planar transformer

Technical Field

The utility model relates to the technical field of planar transformers, in particular to a high-efficiency heat-dissipation planar transformer for a quick charger.

Background

The planar transformer is characterized by high frequency, low shape, small height and high working frequency, compared with the traditional transformer, the planar transformer is the biggest difference between the iron core and the coil winding, adopts small-sized E-shaped, RM-shaped or annular ferrite magnetic cores, is usually made of high-frequency power ferrite materials, and has lower magnetic core loss under high frequency; the winding is formed by winding a plurality of layers of printed circuit boards, the winding or copper sheets are overlapped on the planar high-frequency iron core to form a magnetic loop of the transformer, the design has low direct current copper resistance, low leakage inductance and distributed capacitance, the design requirement of a resonance circuit can be met, and radio frequency interference can be inhibited due to good magnetic shielding of the magnetic core.

According to the 'planar transformer' provided by the Chinese patent authorization publication No. CN211719406U, the planar transformer can be wound between the PCBs through a magnetic core, a plurality of layers of PCBs and a planar transformer winding, wherein the magnetic core is composed of a pair of magnetic cores, the pair of magnetic cores are oppositely arranged, the center of each layer of PCB is provided with a through hole for the central columns of the pair of magnetic cores to pass through, the planar transformer winding is wound between the PCBs and comprises 1 path of primary winding, 1 path of feedback winding and 3 paths of output windings with common ends, the windings are wound around the central columns of the magnetic cores in a crossed manner, the primary winding wraps the feedback winding, the feedback winding wraps the output winding, the planar transformer enhances the coupling characteristic between the windings, effectively improves the utilization rate of the PCBs, reduces the leakage inductance and the alternating current resistance of the transformer, reduces the volume, the weight and the loss of the transformer, improves the power density and the output quality of the switching power supply, and has higher insulation and isolation characteristics, however, the planar transformer does not have the function of efficient heat dissipation, no-load loss and load loss are difficult to avoid in the operation process of the planar transformer, and the losses can be accumulated on a winding, a magnetic core and a structural member of the transformer in the form of heat, so that the temperature of the winding, the magnetic core and the surrounding medium of the winding are increased, the planar transformer is easily damaged by heating after long-time use, and the normal use of the planar transformer is further influenced.

Therefore, it is necessary to provide a planar transformer with high heat dissipation efficiency for a rapid charger to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficiency heat-dissipation planar transformer for a quick charger, which solves the technical problem that the conventional planar transformer is easy to be damaged by heat during long-term use due to the fact that the conventional planar transformer does not have a high-efficiency heat-dissipation function.

In order to solve the technical problem, the utility model provides a high-efficiency heat-dissipation planar transformer for a quick charger, which comprises a planar transformer body, a first heat-dissipation mechanism and a second heat-dissipation mechanism;

the first heat dissipation mechanism comprises an installation box, a sliding groove, a heat dissipation pipe, a support rod, a micro motor, a fan head and fan blades, wherein the sliding groove is symmetrically formed in the installation box;

the second heat dissipation mechanism includes cold media fin A of water tank fin B and inlet tube, water tank fixed mounting is at the top of cooling tube, cold media is located the inside of water tank, fin A fixed mounting is between install bin and water tank, fin B fixed mounting is in the inside of cooling tube, fin A and fin B's one end all extends to the inside of water tank, inlet tube fixed mounting is at the top of water tank, the bottom of inlet tube extends to the inside of water tank.

Preferably, the bottom of the installation box, the bottom of the radiating pipe and the top of the water tank are fixedly provided with eight compression springs, and the installation box has a certain damping function after being installed by setting and utilizing the elastic reset principle of the compression springs, so that the planar transformer body is not easy to be damaged by vibration.

Preferably, the top threaded connection of inlet tube has sealed lid, the interior roof fixed mounting of sealed lid has the sealing washer, through setting up sealed lid and sealing washer, can guarantee the leakproofness of water tank and avoid the dust to enter into the water tank in pollute cold media, can avoid the inside refrigerant body of water tank to reveal simultaneously.

Preferably, the outer wall fixed mounting of sealed lid has anti-skidding cover, the surface integrated into one piece of anti-skidding cover has anti-skidding granule, has increased the frictional force between finger and the sealed lid through setting up the anti-skidding cover that has anti-skidding granule, and then convenient rotatory sealed lid.

Preferably, a plurality of ventilation holes are formed in the two sides of the installation box, and the plurality of ventilation holes facilitate the exchange of air inside and outside the planar transformer body, so that the heat dissipation function of the planar transformer is improved.

Preferably, the two sides of the water tank are integrally formed with the buckling grooves, and the friction force between fingers and the water tank is increased by arranging the buckling grooves, so that the finger-type water tank is convenient to take and place.

Preferably, a plurality of standing grooves are formed in the inner wall of the sliding groove, balls are embedded in the standing grooves, the planar transformer body is inconsistent with the balls, friction between the planar transformer body and the sliding groove is reduced through the matching of the standing grooves and the balls, and therefore the planar transformer body is not prone to friction damage.

Preferably, the right side threaded connection of install bin has adjusting bolt, adjusting bolt's one end is inconsistent with the planar transformer body, and through setting up and rotatory adjusting bolt, makes adjusting bolt's one end contradict with the planar transformer body, and then conveniently fixes the planar transformer body in the install bin.

Compared with the related art, the high-efficiency heat-dissipation planar transformer for the quick charger has the following beneficial effects:

1. according to the utility model, the micro motor is started, the fan blades rotate along with the driving end of the micro motor through the fan head, so that external airflow is sucked into the installation box, the air-cooling heat dissipation function of the utility model is realized when the airflow passes through the planar transformer body, the chute guides heat on the planar transformer body into a cold medium in the water tank through the heat dissipation fins A, so that the water-cooling heat dissipation function of the utility model is realized, the passing airflow is cooled through the heat dissipation fins B, so that the air-cooling heat dissipation function of the utility model is improved, and the planar transformer body is ensured not to be easily damaged by heating.

2. According to the utility model, the elastic reset principle of the compression spring is set and utilized, so that the planar transformer has a certain damping function after being installed, the planar transformer body is further ensured not to be easily damaged by vibration, and the exchange of internal air and external air of the planar transformer body is facilitated by the arrangement of the plurality of vent holes, so that the heat dissipation function of the planar transformer is further improved.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a planar transformer for a rapid charger with efficient heat dissipation;

fig. 2 is a schematic cross-sectional view illustrating a heat dissipating pipe of a planar transformer for efficient heat dissipation of a fast charger;

fig. 3 is a schematic sectional view of an installation case of a planar transformer for efficient heat dissipation of a rapid charger;

fig. 4 is an enlarged view of a structure at a in fig. 3.

Reference numbers in the figures: 1. a planar transformer body; 2. installing a box; 3. a chute; 4. a radiating pipe; 5. a support bar; 6. a micro motor; 7. a fan head; 8. a fan blade; 9. a water tank; 10. a cold medium; 11. a heat sink A; 12. a heat sink B; 13. a compression spring; 14. a water inlet pipe; 15. a sealing cover; 16. an anti-slip sleeve; 17. a vent hole; 18. buckling grooves; 19. a placement groove; 20. a ball bearing; 21. and adjusting the bolt.

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.

In a first embodiment, as shown in fig. 1 to 4, a planar transformer for a fast charger with high heat dissipation efficiency includes a planar transformer body 1, a first heat dissipation mechanism and a second heat dissipation mechanism;

the first heat dissipation mechanism comprises an installation box 2, sliding grooves 3, heat dissipation pipes 4, supporting rods 5, a micro motor 6, fan heads 7 and fan blades 8, wherein the sliding grooves 3 are symmetrically formed in the installation box 2, the planar transformer body 1 is connected with the sliding grooves 3 in a sliding mode, the heat dissipation pipes 4 are fixedly connected with the installation box 2, the supporting rods 5 are fixedly installed in the heat dissipation pipes 4, the micro motor 6 is fixedly installed in the middle of the supporting rods 5, the fan heads 7 are fixedly connected with the driving ends of the micro motor 6, and the fan blades 8 are fixedly connected with the outer walls of the fan heads 7;

the second heat dissipation mechanism comprises a water tank 9 cold medium 10, a heat dissipation sheet A11, a heat dissipation sheet B12 and a water inlet pipe 14, the water tank 9 is fixedly installed at the top of the heat dissipation pipe 4, the cold medium body 10 is located inside the water tank 9, the heat dissipation sheet A11 is fixedly installed between the installation box 2 and the water tank 9, the heat dissipation sheet B12 is fixedly installed inside the heat dissipation pipe 4, one ends of the heat dissipation sheet A11 and the heat dissipation sheet B12 both extend to the inside of the water tank 9, the water inlet pipe 14 is fixedly installed at the top of the water tank 9, and the bottom of the water inlet pipe 14 extends to the inside of the water tank 9.

In this embodiment: the micro-motor 6 is of the type SY-RF370 CA.

In the second embodiment, on the basis of the first embodiment, the compression springs 13 are fixedly installed at the bottom of the installation box 2, the bottom of the radiating pipe 4 and the top of the water tank 9, the number of the compression springs 13 is eight, and the installation structure has a certain damping function by setting and utilizing the elastic reset principle of the compression springs 13, so that the planar transformer body 1 is not easily damaged by vibration.

Third embodiment, on the basis of first embodiment, the top threaded connection of inlet tube 14 has sealed lid 15, and the interior roof fixed mounting of sealed lid 15 has the sealing washer, through setting up sealed lid 15 and sealing washer, can guarantee the leakproofness of water tank 9 and avoid the dust to enter into the cold medium 10 of pollution in the water tank 9, can avoid the inside refrigerant body 10 of water tank 9 to reveal simultaneously.

Fourth embodiment, on the basis of third embodiment, the outer wall fixed mounting of sealed lid 15 has anti-skidding cover 16, and the surface integrated into one piece of anti-skidding cover 16 has anti-skidding granule, through setting up anti-skidding cover 16 that has anti-skidding granule, has increased the frictional force between finger and sealed lid 15, and then makes things convenient for rotatory sealed lid 15.

In the fifth embodiment, on the basis of the first embodiment, the plurality of vent holes 17 are formed in both sides of the installation box 2, and the plurality of vent holes 17 facilitate the exchange of air inside and outside the planar transformer body 1, thereby improving the heat dissipation function of the utility model.

In the sixth embodiment, on the basis of the first embodiment, the fastening grooves 18 are integrally formed on both sides of the water tank 9, and the friction between fingers and the water tank 9 is increased by arranging the fastening grooves 18, so that the utility model is convenient to take and place.

Seventh embodiment, on the basis of the first embodiment, a plurality of placing grooves 19 are formed in the inner wall of the sliding groove 3, balls 20 are embedded in the placing grooves 19, the planar transformer body 1 is abutted to the balls 20, and friction between the planar transformer body 1 and the sliding groove 3 is reduced by matching the placing grooves 19 and the balls 20, so that the planar transformer body 1 is not easily damaged by friction.

Eighth embodiment, on the basis of first embodiment, the right side threaded connection of installing bin 2 has adjusting bolt 21, and adjusting bolt 21's one end is inconsistent with planar transformer body 1, through setting up and rotating adjusting bolt 21, makes adjusting bolt 21's one end inconsistent with planar transformer body 1, and then conveniently fixes planar transformer body 1 in installing bin 2.

The working principle is as follows:

when the transformer is cooled by air:

when the micro motor 6 is started, the fan blade 8 rotates along with the driving end of the micro motor 6 through the fan head 7, and then external airflow is sucked into the installation box 2, and the air cooling and heat dissipation functions of the planar transformer body 1 are achieved when the airflow passes through the planar transformer body.

When the transformer is cooled by water:

the chute 3 guides heat on the planar transformer body 1 into the refrigerant body 10 in the water tank 9 through the heat radiating fins A11, so that the water-cooling heat radiating function of the utility model is realized, and the air-cooling heat radiating function of the utility model is improved by arranging the heat radiating fins B12 to cool passing air flow.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A planar transformer with high-efficiency heat dissipation for a quick charger is characterized by comprising a planar transformer body (1), a first heat dissipation mechanism and a second heat dissipation mechanism;

the first heat dissipation mechanism comprises an installation box (2), a sliding groove (3), a heat dissipation pipe (4), a support rod (5), a micro motor (6), a fan head (7) and fan blades (8), wherein the sliding groove (3) is symmetrically formed in the installation box (2), the planar transformer body (1) is in sliding connection with the sliding groove (3), the heat dissipation pipe (4) is fixedly connected with the installation box (2), the support rod (5) is fixedly installed in the heat dissipation pipe (4), the micro motor (6) is fixedly installed in the middle of the support rod (5), the fan head (7) is fixedly connected with a driving end of the micro motor (6), and the fan blades (8) are fixedly connected with the outer wall of the fan head (7);

the second heat dissipation mechanism includes water tank (9) cold medium (10) fin A (11) fin B (12) and inlet tube (14), water tank (9) fixed mounting is at the top of cooling tube (4), cold medium (10) are located the inside of water tank (9), fin A (11) fixed mounting is between install bin (2) and water tank (9), fin B (12) fixed mounting is in the inside of cooling tube (4), the one end of fin A (11) and fin B (12) all extends to the inside of water tank (9), inlet tube (14) fixed mounting is at the top of water tank (9), the bottom of inlet tube (14) extends to the inside of water tank (9).

2. The planar transformer with high heat dissipation efficiency for the quick charger according to claim 1, wherein compression springs (13) are fixedly installed at the bottom of the installation box (2), the bottom of the heat dissipation pipe (4) and the top of the water tank (9), and the number of the compression springs (13) is eight.

3. The planar transformer with high heat dissipation efficiency for the quick charger according to claim 1, wherein the top of the water inlet pipe (14) is in threaded connection with a sealing cover (15), and the inner top wall of the sealing cover (15) is fixedly provided with a sealing ring.

4. The planar transformer with high heat dissipation efficiency for the rapid charger according to claim 3, wherein the outer wall of the sealing cover (15) is fixedly provided with an anti-slip sleeve (16), and anti-slip particles are integrally formed on the outer surface of the anti-slip sleeve (16).

5. The planar transformer with high heat dissipation efficiency for the quick charger according to claim 1, wherein both sides of the installation box (2) are provided with a plurality of ventilation holes (17).

6. The planar transformer with high heat dissipation efficiency for the quick charger according to claim 1, wherein the water tank (9) is integrally formed with a catching groove (18) at both sides.

7. The planar transformer with high heat dissipation efficiency for the quick charger according to claim 1, wherein a plurality of placing grooves (19) are formed in the inner wall of the sliding groove (3), the balls (20) are embedded in the placing grooves (19), and the planar transformer body (1) is abutted to the balls (20).

8. The planar transformer with high heat dissipation efficiency for the quick charger according to claim 1, wherein an adjusting bolt (21) is connected to the right side of the installation box (2) in a threaded manner, and one end of the adjusting bolt (21) is abutted to the planar transformer body (1).