Water-cooled transformer of high-frequency switching power supply

Abstract

The utility model relates to the technical field of water-cooled transformers, in particular to a water-cooled transformer for a high-frequency switching power supply, which improves the heat dissipation and cooling effects of external heat dissipation equipment on a magnetic core, improves the heat dissipation and cooling efficiency, improves the insulation and protection effects of the magnetic core and reduces circuit faults. Comprising a magnetic core and a coil, the coil is arranged on the outer side wall of the magnetic core, and the middle hollow position of the magnetic core is circular; the electric conduction assembly penetrates through the hollowed-out position of the magnetic core, the two sets of first insulation sheets are installed at the upper end and the lower end of the magnetic core respectively, the double-layer heat dissipation assemblies are arranged on the upper sides and the lower sides of the two sets of first insulation sheets respectively, and the double-layer heat dissipation assemblies are used for conducting heat dissipation and cooling on the magnetic core; the upper and lower ends of the conductive assembly are respectively installed on the double-layer heat dissipation assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of water-cooled transformers, in particular to a high-frequency switching power supply water-cooled transformer. Background Art

[0002] With the rapid development of modern electronic technology, high-frequency switching power supplies are increasingly used in electronic equipment. Their high efficiency, wide input voltage range, low noise and stable output make them an indispensable power supply device in electronic equipment. The heat generated by high-frequency switching power supplies during operation poses a serious threat to the stability and life of the power supply. Therefore, effective heat dissipation technology is crucial for high-frequency switching power supplies.

[0003] As described in the patent with the prior art authorization announcement number CN202977096U, a high-power high-frequency switching power supply water-cooled transformer includes a magnetic core, a heat sink copper sheet, and an output copper plate. The heat sink copper sheet is an oxygen-free copper sheet. A water inlet pipe and a water outlet pipe are provided on the upper part of the heat sink copper sheet. The heat sink copper sheet is crimped onto the surface of the magnetic core. The primary copper enameled wire is wound on the heat sink copper sheet. The magnetic core is fixed by pressing against the output copper plate, and the secondary copper tube of the transformer passes through the output copper plate and the magnetic core.

[0004] However, during the use of the transformer, it was found that the use of single-sided heat dissipation copper plates on both sides of the magnetic core reduced the effect of external heat dissipation equipment using the heat dissipation copper sheet to dissipate heat and cool it, and the insulation protection between the heat dissipation copper sheet and the electromagnetic core was poor. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a high-frequency switching power supply water-cooled transformer which improves the heat dissipation and cooling effect of an external heat dissipation device on a magnetic core, improves the heat dissipation and cooling efficiency, improves the insulation protection effect of the magnetic core, and reduces circuit failures.

[0006] The utility model discloses a high-frequency switching power supply water-cooled transformer, comprising a magnetic core and a coil, wherein the coil is arranged on the outer wall of the magnetic core, and the hollow position in the middle of the magnetic core is circular; the utility model also comprises a double-layer heat dissipation component, a conductive component and two groups of first insulating sheets, wherein the conductive component passes through the hollow position of the magnetic core, and the two groups of first insulating sheets are respectively installed at the upper and lower ends of the magnetic core, and the upper and lower sides of the two groups of first insulating sheets are respectively provided with double-layer heat dissipation components, and the double-layer heat dissipation component is used for dissipating heat and cooling the magnetic core, and the upper and lower ends of the conductive component are respectively installed on the double-layer heat dissipation component; the two groups of first insulating sheets are respectively installed at the upper and lower ends of the magnetic core, and then the double-layer heat dissipation component is installed on the upper and lower sides of the two groups of first insulating sheets, so that the double-layer heat dissipation component dissipates heat and cools the upper and lower ends of the magnetic core at the same time, thereby improving the heat dissipation and cooling effect of the external heat dissipation device on the magnetic core by using the double-layer heat dissipation component, improving the heat dissipation and cooling efficiency of the transformer, and by providing two groups of first insulating sheets, improving the insulation protection effect of the magnetic core, and reducing circuit failures.

[0007] Preferably, the double-layer heat dissipation component includes two groups of first heat sinks, two groups of second insulating sheets and two groups of second heat sinks, the outer wall of the first group of first heat sinks is connected to the bottom surface of the outer wall of the lower first insulating sheet, the outer wall of the first group of second heat sinks is connected to the top surface of the outer wall of the upper first insulating sheet, the lower second insulating sheet is installed on the bottom surface of the outer wall of the first group of first heat sinks, the upper second insulating sheet is installed on the top surface of the outer wall of the first group of second insulating sheets, the second group of first heat sinks is installed on the top surface of the outer wall of the upper second insulating sheet, the second group of second heat sinks is installed on the bottom surface of the outer wall of the lower second insulating sheet, and the upper and lower ends of the conductive component are respectively passed through the two groups of first insulating sheets, the two groups of first heat sinks, the two groups of second insulating sheets and the two groups of second heat sinks; by staggeredly installing the two groups of first heat sinks, the two groups of second insulating sheets and the two groups of second heat sinks on the upper and lower sides of the first insulating sheet, the effect of the two groups of second heat sinks and the two groups of first heat sinks on the heat dissipation and cooling of the coil is improved, and the heat dissipation and cooling efficiency of the magnetic core by the external heat dissipation device using the two groups of first heat sinks and the two groups of second heat sinks is improved.

[0008] Preferably, it also includes multiple groups of first mounting holes and multiple groups of second mounting holes, and the multiple groups of first mounting holes are respectively arranged on the two groups of second heat sinks, and the multiple groups of second mounting holes are respectively arranged on the two groups of first heat sinks; by setting multiple groups of first mounting holes and multiple groups of second mounting holes, the convenience of fixedly connecting the two groups of first heat sinks and the two groups of second heat sinks to the external heat dissipation device is improved.

[0009] Preferably, it also includes multiple groups of fixing holes, which are respectively arranged on the two groups of first heat sinks; by setting the multiple groups of fixing holes, the convenience of reinforced connection between the two groups of first heat sinks and the external heat dissipation device is improved.

[0010] Preferably, the two groups of first heat sinks and the two groups of second heat sinks are both made of copper; the thermal conductivity of the two groups of first heat sinks and the two groups of second heat sinks is improved, and the heat dissipation and cooling efficiency of the two groups of first heat sinks and the two groups of second heat sinks on the magnetic core is improved.

[0011] Compared with the prior art, the utility model has the following beneficial effects: two groups of first insulating sheets are respectively installed on the upper and lower ends of the magnetic core, and then the double-layer heat dissipation components are installed on the upper and lower sides of the two groups of first insulating sheets, so that the double-layer heat dissipation components can simultaneously dissipate heat and cool down the upper and lower ends of the magnetic core, thereby improving the heat dissipation and cooling effect of the external heat dissipation equipment on the magnetic core using the double-layer heat dissipation components, improving the heat dissipation and cooling efficiency of the transformer, and by setting two groups of first insulating sheets, the insulation protection effect of the magnetic core is improved, and circuit failures are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 2is a schematic diagram of an exploded structure in which the magnetic core is connected to the first insulating sheet, etc.;

[0014] Figure 3 It is a schematic diagram of the axonometric partial structure of the connection between the magnetic core and the coil, etc.;

[0015] Figure 4 is an axonometric structural diagram of the connection between the second insulating sheet and the second heat sink, etc.;

[0016] Figure 5 It is a schematic diagram of an exploded structure in which a first insulating sheet is connected to a second heat sink, etc.

[0017] Markings in the attached drawings: 1, magnetic core; 2, coil; 3, conductive component; 4, first insulating sheet; 5, first heat sink; 6, second insulating sheet; 7, second heat sink; 8, first mounting hole; 9, second mounting hole; 10, fixing hole. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figures 1 to 5 As shown, a high-frequency switching power supply water-cooled transformer of the utility model comprises a magnetic core 1 and a coil 2, wherein the coil 2 is arranged on the outer wall of the magnetic core 1, and the hollowed-out position in the middle of the magnetic core 1 is circular; further comprising a double-layer heat dissipation component, a conductive component 3 and two groups of first insulating sheets 4, wherein the conductive component 3 passes through the hollowed-out position of the magnetic core 1, and the two groups of first insulating sheets 4 are respectively installed at the upper and lower ends of the magnetic core 1, and the upper and lower sides of the two groups of first insulating sheets 4 are respectively provided with double-layer heat dissipation components, and the double-layer heat dissipation components are used to dissipate heat and cool the magnetic core 1, and the upper and lower ends of the conductive component 3 are respectively installed on the double-layer heat dissipation components;

[0021] like Figure 2As shown, the double-layer heat dissipation component includes two groups of first heat sinks 5, two groups of second insulating sheets 6 and two groups of second heat sinks 7, the outer wall of the first group of first heat sinks 5 is connected to the bottom surface of the outer wall of the lower first insulating sheet 4, the outer wall of the first group of second heat sinks 7 is connected to the top surface of the outer wall of the upper first insulating sheet 4, the lower second insulating sheet 6 is installed on the bottom surface of the outer wall of the first group of first heat sinks 5, the upper second insulating sheet 6 is installed on the top surface of the outer wall of the first group of second heat sinks 7, the second group of first heat sinks 5 is installed on the top surface of the outer wall of the upper second insulating sheet 6, the second group of second heat sinks 7 is installed on the bottom surface of the outer wall of the lower second insulating sheet 6, and the upper and lower ends of the conductive component 3 are respectively passed through the two groups of first insulating sheets 4, the two groups of first heat sinks 5, the two groups of second insulating sheets 6 and the two groups of second heat sinks 7;

[0022] In this embodiment, two groups of first insulating sheets 4 are respectively installed on the upper and lower ends of the magnetic core 1, and then the double-layer heat dissipation components are installed on the upper and lower sides of the two groups of first insulating sheets 4, so that the double-layer heat dissipation components can simultaneously dissipate heat and cool the upper and lower ends of the magnetic core 1, thereby improving the heat dissipation and cooling effect of the external heat dissipation device on the magnetic core 1 using the double-layer heat dissipation component, and improving the heat dissipation and cooling efficiency of the transformer. By setting two groups of first insulating sheets 4, the insulation protection effect of the magnetic core 1 is improved, and circuit failures are reduced.

[0023] Example 2

[0024] On the basis of Example 1, Figure 2 As shown, a high-frequency switching power supply water-cooled transformer of the utility model further includes a plurality of groups of first mounting holes 8 and a plurality of groups of second mounting holes 9, wherein the plurality of groups of first mounting holes 8 are respectively arranged on two groups of second heat sinks 7, and the plurality of groups of second mounting holes 9 are respectively arranged on two groups of first heat sinks 5;

[0025] like Figure 2 As shown, it also includes a plurality of groups of fixing holes 10, and the plurality of groups of fixing holes 10 are respectively arranged on the two groups of first heat sinks 5;

[0026] like Figure 1 As shown, the two groups of first heat sinks 5 and the two groups of second heat sinks 7 are all made of copper;

[0027] In this embodiment, two groups of first heat sinks 5, two groups of second insulating sheets 6 and two groups of second heat sinks 7 are staggeredly installed on the upper and lower sides of the first insulating sheet 4, thereby improving the effect of the two groups of second heat sinks 7 cooperating with the two groups of first heat sinks 5 to dissipate heat and cool the coil 2, and improving the efficiency of the external heat dissipation device to dissipate heat and cool the magnetic core 1 by using the two groups of first heat sinks 5 and the two groups of second heat sinks 7. By providing multiple groups of first mounting holes 8 and multiple groups of second mounting holes 9, the convenience of fixedly connecting the two groups of first heat sinks 5 and the two groups of second heat sinks 7 to the external heat dissipation device is improved.

[0028] The utility model discloses a high-frequency switching power supply water-cooled transformer. When working, two groups of first insulating sheets 4 are respectively installed on the upper and lower ends of a magnetic core 1, and then a double-layer heat dissipation component is installed on the upper and lower sides of the two groups of first insulating sheets 4, so that the double-layer heat dissipation component dissipates heat and cools the upper and lower ends of the magnetic core 1 at the same time, and the magnetic core 1 is insulated and protected by arranging the two groups of first insulating sheets 4.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A high-frequency switching power supply water-cooled transformer, comprising a magnetic core (1) and a coil (2), wherein the coil (2) is arranged on the outer wall of the magnetic core (1), and the hollowed-out position in the middle of the magnetic core (1) is circular; characterized in that: It also comprises a double-layer heat dissipation component, a conductive component (3) and two groups of first insulating sheets (4), wherein the conductive component (3) passes through the hollow position of the magnetic core (1), and the two groups of first insulating sheets (4) are respectively mounted on the upper and lower ends of the magnetic core (1), and the upper and lower sides of the two groups of first insulating sheets (4) are respectively provided with double-layer heat dissipation components, the double-layer heat dissipation components are used to dissipate heat and cool the magnetic core (1), and the upper and lower ends of the conductive component (3) are respectively mounted on the double-layer heat dissipation components.

2. A high-frequency switching power supply water-cooled transformer as claimed in claim 1, characterized in that: The double-layer heat dissipation component comprises two groups of first heat dissipation fins (5), two groups of second insulation sheets (6) and two groups of second heat dissipation fins (7); the outer wall of the first group of first heat dissipation fins (5) is connected to the bottom surface of the outer wall of the lower first insulation sheet (4); the outer wall of the first group of second heat dissipation fins (7) is connected to the top surface of the outer wall of the upper first insulation sheet (4); the lower second insulation sheet (6) is mounted on the bottom surface of the outer wall of the first group of first heat dissipation fins (5); the upper second insulation sheet (6) is mounted on the top surface of the outer wall of the first group of second heat dissipation fins (7); the second group of first heat dissipation fins (5) is mounted on the top surface of the outer wall of the upper second insulation sheet (6); the second group of second heat dissipation fins (7) is mounted on the bottom surface of the outer wall of the lower second insulation sheet (6); and the upper and lower ends of the conductive component (3) are respectively arranged through the two groups of first insulation sheets (4), the two groups of first heat dissipation fins (5), the two groups of second insulation sheets (6) and the two groups of second heat dissipation fins (7).

3. A high-frequency switching power supply water-cooled transformer as claimed in claim 2, characterized in that: It also comprises a plurality of groups of first mounting holes (8) and a plurality of groups of second mounting holes (9), wherein the plurality of groups of first mounting holes (8) are respectively arranged on two groups of second heat sinks (7), and the plurality of groups of second mounting holes (9) are respectively arranged on two groups of first heat sinks (5).

4. A high-frequency switching power supply water-cooled transformer as claimed in claim 2, characterized in that: It also comprises a plurality of groups of fixing holes (10), wherein the plurality of groups of fixing holes (10) are respectively arranged on the two groups of first heat sinks (5).

5. A high-frequency switching power supply water-cooled transformer as claimed in claim 2, characterized in that: The two groups of first heat sinks (5) and the two groups of second heat sinks (7) are both made of copper.

Images