Switching power supply transformer and switching power supply

Abstract

The utility model relates to the technical field of electronic components, in particular to a switching power supply transformer and a switching power supply, and the switching power supply transformer comprises a closed shell, a water cooling pipe and an ultracrystalline magnetic ring for winding a coil; the ultracrystalline magnetic ring is positioned in the shell; the water cooling pipe comprises a water inlet end, a water cooling pipe body and a water outlet end which are sequentially communicated, the water inlet end and the water outlet end penetrate through the shell to be communicated with the outside, and the water cooling pipe body is located in the shell and surrounds the ultracrystalline magnetic ring. The switching power supply transformer is smaller in size and better in heat dissipation effect.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic components, in particular to a switching power supply transformer and a switching power supply. Background Art

[0002] In the field of electronic components technology, the switching power supply transformer is the core component of power conversion and transmission, and its performance directly affects the efficiency, stability and reliability of the entire power system. Traditional transformer design often faces many challenges, especially the shortcomings caused by structural limitations are becoming increasingly prominent.

[0003] First, as the power level increases, the size of the transformer also increases, which not only limits its application in high-density integrated systems, but also increases the difficulty of installation and transportation. Traditional transformer designs often use more copper wire windings and larger core cross-sectional areas to cope with high power requirements, which directly leads to an increase in the size of the equipment. Existing transformers are prone to local overheating under long-term operation, affecting the life of components and system safety. Conventional heat dissipation methods, such as natural convection or additional heat sinks, have limited efficiency for applications and are difficult to effectively control temperature rise, thereby limiting their ability to work continuously.

[0004] In summary, the existing switching power supply transformer has the problems of large size and local overheating. Therefore, an improved switching power supply transformer and switching power supply are urgently needed. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a switching power supply transformer and a switching power supply.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0009] In a first aspect, an embodiment of the utility model provides a switching power supply transformer, comprising:

[0010] A closed housing, water cooling tubes and ultra-microcrystalline magnetic rings for coil winding;

[0011] The ultra-microcrystalline magnetic ring is located inside the shell;

[0012] The water cooling pipe comprises a water inlet end, a water cooling pipe body and a water outlet end which are connected in sequence. The water inlet end and the water outlet end both penetrate the shell and are connected with the outside. The water cooling pipe body is located in the shell and surrounds the ultra-microcrystalline magnetic ring.

[0013] Optionally, a potting compound is filled between the shell and the ultra-microcrystalline magnetic ring to form a heat-conducting layer.

[0014] Optionally, the plane formed by the water-cooling tube body is parallel to the plane where the ultra-microcrystalline magnetic ring is located.

[0015] Optionally, the number of turns of the water cooling tube around the ultra-microcrystalline magnetic ring is greater than or equal to 2.

[0016] Optionally, the shell is in the shape of a hollow cuboid, and a heat dissipation structure is formed on at least one side of the shell, the heat dissipation structure includes a plurality of strip-shaped protrusions, and the plurality of strip-shaped protrusions are parallel to each other and arranged at equal intervals on the side of the shell.

[0017] Optionally, a heat dissipation structure is formed on the first and second opposite sides of the shell, and the heat dissipation structure includes a plurality of strip-shaped protrusions, and the plurality of strip-shaped protrusions are parallel to each other and arranged at equal intervals on the first and second sides of the shell.

[0018] Optionally, the housing further includes a third side surface and a fourth side surface, and the third side surface and the fourth side surface connect the first side surface and the second side surface;

[0019] The first end of the strip-shaped protrusion is flush with the third side surface, and the second end of the strip-shaped protrusion is flush with the third side surface.

[0020] Optionally, the surface of the ultra-microcrystalline magnetic ring is coated with an insulating layer.

[0021] Optionally, the coil includes a primary coil and a secondary coil;

[0022] The lead wire of the primary coil is connected to the first end of the first metal pin, and the second end of the first metal pin is welded with a single-hole terminal;

[0023] The lead wire of the secondary coil is connected to the first end of the second metal pin, and the second end of the second metal pin is welded with a single-hole terminal;

[0024] The surfaces of the first metal pin and the second metal pin are covered with a heat shrink tubing.

[0025] In a second aspect, an embodiment of the utility model provides a switching power supply, characterized in that it includes the switching power supply transformer described in the first aspect above, and the switching power supply transformer is connected between the input filter circuit and the output filter voltage stabilization circuit in the switching power supply, and is used to convert the input AC or DC voltage into a stable DC voltage output suitable for load requirements.

[0026] (III) Beneficial effects

[0027] In the switching power supply transformer and the switching power supply provided by the utility model, since the ultra-microcrystalline magnetic ring is used as the core component of the coil winding, the high magnetic permeability of the ultra-microcrystalline material allows the same magnetic flux density to be achieved under a smaller volume and weight, which is extremely beneficial to the design of modern electronic products that pursue lightweight and miniaturization, and is easy to integrate and carry; and due to the high efficiency characteristics of the ultra-microcrystalline magnetic ring, the waste of electric energy is reduced, which indirectly promotes energy conservation and emission reduction, and meets the global requirements for green and sustainable development;

[0028] Since the water-cooling pipe system is integrated inside the transformer, a circulation path is formed through the water inlet, the water-cooling pipe body and the water outlet, which is directly arranged around the ultra-microcrystalline magnetic ring, the heat dissipation efficiency is improved, the temperature rise is effectively controlled, and the transformer can maintain a stable state under high-power operation, thereby extending the life of components and ensuring system safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a partial cross-sectional schematic diagram of the switching power supply transformer of the first embodiment of the utility model;

[0030] Figure 2 It is a side view schematic diagram of the switching power supply transformer of the first embodiment of the utility model.

[0031] [Description of Reference Numerals]

[0032] 1: Shell;

[0033] 2: Cold water pipe;

[0034] 21: water inlet end;

[0035] 22: Water cooling tube body;

[0036] 23: water outlet;

[0037] 3: Ultra-microcrystalline magnetic ring;

[0038] 4: Coil;

[0039] 5: Thermal conductive layer;

[0040] 6: Strip-like protrusions. DETAILED DESCRIPTION

[0041] In order to better understand the above technical solution, please refer to the attached Figure 1 and attached Figure 2 Exemplary embodiments of the present invention are described in more detail. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0042] Embodiment 1

[0043] This embodiment provides a switching power supply transformer, the core component of which includes a closed rectangular shell 1, and an ultra-fine crystal magnetic ring 3 is installed inside the shell 1 for carrying the winding of the coil 4. In order to effectively dissipate heat, a water cooling system is designed. The water cooling pipe 2 consists of a water inlet end 21, a water cooling pipe body 22 and a water outlet end 23. The overall structure runs through the shell 1, ensuring that the coolant can enter from the outside and flow around the ultra-fine crystal magnetic ring 3 through the water cooling pipe body 22 and then be discharged, realizing efficient heat exchange. This design ensures that even under high-power operating conditions, the temperature rise can be effectively controlled to improve system stability and efficiency.

[0044] Furthermore, the heat dissipation structure is optimized by not only adopting a water cooling system, but also filling a potting glue with excellent thermal conductivity between the shell 1 and the ultra-microcrystalline magnetic ring 3 to form a thermal conductive layer 5. This thermal conductive layer 5 can quickly conduct the heat generated by the ultra-microcrystalline magnetic ring 3 to the shell 1, and cooperate with the water cooling system to greatly enhance the overall heat dissipation efficiency, which is particularly suitable for scenarios that require long-term high-load operation.

[0045] The arrangement of the water cooling pipe body 22 around the ultra-fine crystal magnetic ring 3 takes into account the space utilization efficiency. The number of circles is set to 3, which not only ensures sufficient cooling contact area, but also avoids excessive increase in structural complexity. In addition, the surrounding plane of the water cooling pipe body 22 is parallel to the central plane of the ultra-fine crystal magnetic ring 3. Such a layout design helps to evenly dissipate heat, prevent local overheating, and further optimize thermal management performance.

[0046] The heat dissipation structure of the housing 1 is improved. The housing 1 is a hollow cuboid, and its two side surfaces (i.e., the first side surface and the second side surface) are covered with parallel and equally spaced strip-shaped protrusions 6, and grooves are formed between the strip-shaped protrusions 6. These protrusions not only increase the surface area of ​​the housing 1 in contact with the air, but also promote natural convection and improve the passive heat dissipation efficiency. In particular, one end of these strip-shaped protrusions 6 is flush with the third side surface of the housing 1, and the other end is flush with the fourth side surface. This design not only ensures the heat dissipation efficiency, but also takes into account the beauty and practicality of the structure.

[0047] An additional insulating layer is applied on the surface of the ultra-microcrystalline magnetic ring 3, which not only protects the magnetic ring from environmental erosion, but also ensures the safety of the coil 4 when it is wound, especially for the electrical isolation of the primary coil and the secondary coil. The connection design between the coil lead and the metal pin also reflects the consideration of details. By welding the single-hole terminal and wrapping it with a heat shrink tubing, the reliability of the electrical connection is guaranteed and the overall insulation protection level is enhanced.

[0048] Embodiment 2

[0049] The present embodiment provides a switching power supply, including the switching power supply transformer described in the first embodiment. The switching power supply transformer is connected between the input filter circuit and the output filter voltage stabilization circuit in the switching power supply, and is used to convert the input AC or DC voltage into a stable DC voltage output suitable for load requirements.

[0050] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0053] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0054] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A switching power supply transformer, characterized in that: include: A closed housing (1), a water cooling tube (2), and an ultra-microcrystalline magnetic ring (3) for winding a coil (4); The ultra-microcrystalline magnetic ring (3) is located inside the housing (1); The water cooling pipe (2) comprises a water inlet end (21), a water cooling pipe body (22) and a water outlet end (23) which are connected in sequence; the water inlet end (21) and the water outlet end (23) both penetrate the shell (1) and are connected to the outside; the water cooling pipe body (22) is located in the shell (1) and is arranged around the ultra-microcrystalline magnetic ring (3).

2. The switching power supply transformer according to claim 1, characterized in that: A potting glue is filled between the shell (1) and the ultra-microcrystalline magnetic ring (3) to form a heat-conducting layer (5).

3. The switching power supply transformer according to claim 1, characterized in that: The plane formed by the water-cooling pipe body (22) is parallel to the plane where the ultra-microcrystalline magnetic ring (3) is located.

4. The switching power supply transformer according to claim 1, characterized in that: The number of turns of the water cooling pipe body (22) around the ultra-microcrystalline magnetic ring (3) is greater than or equal to 2.

5. The switching power supply transformer according to claim 1, characterized in that: The shell (1) is in the shape of a hollow cuboid. A heat dissipation structure is formed on at least one side of the shell (1). The heat dissipation structure comprises a plurality of strip-shaped protrusions (6). The plurality of strip-shaped protrusions (6) are arranged parallel to each other and at equal intervals on the side of the shell (1).

6. The switching power supply transformer according to claim 5, characterized in that: A heat dissipation structure is formed on the first side surface and the second side surface opposite to each other of the shell (1), and a plurality of strip-shaped protrusions (6) are arranged parallel to each other and at equal intervals on the first side surface and the second side surface of the shell (1).

7. The switching power supply transformer according to claim 6, characterized in that: The housing (1) further comprises a third side surface and a fourth side surface which are arranged opposite to each other, and the third side surface and the fourth side surface are connected to the first side surface and the second side surface; The first end of the strip-shaped protrusion (6) is flush with the third side surface, and the second end of the strip-shaped protrusion (6) is flush with the third side surface.

8. The switching power supply transformer according to claim 1, characterized in that: The surface of the ultra-microcrystalline magnetic ring (3) is coated with an insulating layer.

9. The switching power supply transformer according to claim 1, characterized in that: The coil (4) comprises a primary coil and a secondary coil; The lead wire of the primary coil is connected to the first end of the first metal pin, and the second end of the first metal pin is welded with a single-hole terminal; The lead wire of the secondary coil is connected to the first end of the second metal pin, and the second end of the second metal pin is welded with a single-hole terminal; The surfaces of the first metal pin and the second metal pin are covered with a heat shrink tubing.

10. A switching power supply, characterized in that: The switching power supply transformer comprises the switching power supply transformer as described in any one of claims 1 to 9, wherein the switching power supply transformer is connected between the input filter circuit and the output filter voltage stabilization circuit in the switching power supply, and is used to convert the input AC or DC voltage into a stable DC voltage output suitable for load requirements.

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