A high frequency transformer

Abstract

The utility model discloses a high-frequency transformer, including a transformer cavity, a circulating heat dissipation water channel and a containing cavity. The containing cavity is arranged inside the transformer cavity and is used to contain a coil. The circulating heat dissipation water channel is arranged on the side of the containing cavity, and cooling water is arranged inside the circulating heat dissipation water channel. The cooling water is used to heat the coil. When in use, the coil is arranged inside the containing cavity. When the coil is in a working state, the cooling water flows inside the circulating heat dissipation water channel to realize heat exchange between the cooling water and the coil, thereby avoiding the coil being in a high-temperature environment for a long time. Therefore, the heat exchange between the flowing cooling water and the coil in the high-frequency transformer realizes rapid heat dissipation of the coil.

Description

Technical Field

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

[0002] With the development of society, high-frequency equipment is being used more and more widely in the market. High-frequency transformers are the main components of high-frequency equipment, and their usage is also growing rapidly. High-frequency transformers generate a lot of heat energy when in use, causing their internal temperature to rise sharply. Excessive temperature will affect the internal coil of the transformer, and high temperature will shorten the service life of the coil. Therefore, it seriously restricts the development of the industry.

[0003] Traditional high-frequency transformers use a transformer cavity to place multiple high-frequency coils in series or in parallel to achieve the required electrical parameters. High-frequency transformers of the same power are large in size and have high production costs. The high-frequency coils inside the transformer generate a lot of heat when working. The high-frequency transformer is a closed space, and it is difficult for the heat to dissipate, causing the coil cable to be in a high-temperature environment for a long time, which is not conducive to the long-term stable operation of the equipment.

[0004] Therefore, how to achieve rapid heat dissipation of the coil is a technical problem that those skilled in the art currently need to solve. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide a high-frequency transformer to achieve rapid heat dissipation of the coil;

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-frequency transformer comprises a transformer cavity, a circulating heat dissipation water channel and a containing cavity. The containing cavity is arranged inside the transformer cavity and is used to contain a coil. The circulating heat dissipation water channel is arranged on the side of the containing cavity, and cooling water is arranged inside the circulating heat dissipation water channel. The cooling water is used to heat the coil.

[0008] Optionally, in the above-mentioned high-frequency transformer, the circulating heat dissipation water channel includes a circulating water channel and a connecting water channel, the circulating water channel includes a first water channel and a second water channel, the first water channel is arranged above the second water channel, and the connecting water channel is used to connect the first water channel and the second water channel.

[0009] Optionally, in the above-mentioned high-frequency transformer, the first water channel and the second water channel are in a right-angle shape.

[0010] Optionally, in the above-mentioned high-frequency transformer, the first end of the first water channel is arranged with one of the water inlet and the water outlet, the first end of the second water channel is arranged with the other of the water inlet and the water outlet, and the water inlet and the water outlet are 90° water nozzles.

[0011] Optionally, in the above-mentioned high-frequency transformer, the first water channel and the second water channel are through holes opened in the transformer cavity, the first water channel is connected to a first plug at a corner, the second water channel is connected to a second plug at a corner, the second end of the first water channel is connected to a third plug, the second end of the second water channel is connected to a fourth plug, the connecting water channel is a non-through hole opened in the transformer cavity, and the opening side of the connecting water channel is connected to a fifth plug.

[0012] Optionally, in the above-mentioned high-frequency transformer, the number of the accommodating cavities is one or more.

[0013] Optionally, in the above-mentioned high-frequency transformer, a wire inlet and outlet is provided between the two accommodating chambers, and the wire inlet and outlet is used to accommodate the incoming wires and outgoing wires of the coil.

[0014] Optionally, in the above-mentioned high-frequency transformer, a protrusion is arranged on the upper surface of the transformer cavity, an insulating space is formed between the top of the protrusion and the bottom of the protrusion, and an insulating plate is arranged on the top of the protrusion.

[0015] Optionally, in the above-mentioned high-frequency transformer, a side wall of the transformer cavity is provided with a mounting hole, and the mounting hole is used to fix the diode.

[0016] Optionally, in the above-mentioned high-frequency transformer, the material of the transformer cavity is 6063 aluminum alloy.

[0017] The high-frequency transformer provided by the utility model, when in use, the coil is arranged inside the accommodating cavity, and when the coil is in working state, cooling water flows inside the circulating heat dissipation water channel to achieve heat exchange between the cooling water and the coil, thereby avoiding the coil being in a high-temperature environment for a long time. Therefore, the heat exchange between the flowing cooling water and the coil in the high-frequency transformer achieves rapid heat dissipation of the coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the high-frequency transformer disclosed in the embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the assembly structure of the high-frequency transformer disclosed in the embodiment of the utility model;

[0021] in:

[0022] Transformer cavity 100, accommodating cavity 200, coil 300;

[0023] A first water channel 400, a second water channel 401, a connecting water channel 402, a water inlet 403, and a water outlet 404;

[0024] A first plug 500, a second plug 501, a third plug 502, a fourth plug 503, and a fifth plug 504;

[0025] Wire inlet and outlet 600 , protrusion 700 , fixing hole 800 . DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making novel work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "top surface", "bottom surface" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the positions or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limitations of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] like Figure 1 and Figure 2As shown, the high-frequency transformer disclosed in the utility model includes a transformer cavity 100, a circulating heat dissipation water channel and a housing cavity 200. The housing cavity 200 is arranged inside the transformer cavity 100 and is used to accommodate the coil 300. The circulating heat dissipation water channel is arranged on the side of the housing cavity 200, and cooling water is arranged inside the circulating heat dissipation water channel, and the cooling water is used to heat the coil 300. Specifically, the housing cavity 200 is a cavity directly opened in the transformer cavity 100, and its shape includes but is not limited to cylindrical, rectangular, etc. The circulating heat dissipation water channel can be arranged on one side of the housing cavity 200, that is, the downward projection of the circulating heat dissipation water channel is in a straight line shape, and the circulating heat dissipation water channel can also be arranged on both sides of the housing cavity 200, that is, the downward projection of the circulating heat dissipation water channel is at a right angle. According to the heat dissipation requirements, the operator can make the circulating heat dissipation water channel surround the housing cavity 200 for at most one week. The high-frequency transformer provided by the utility model, when in use, the coil 300 is arranged inside the accommodating cavity 200, and when the coil 300 is in working state, the cooling water flows inside the circulating heat dissipation water channel to achieve heat exchange between the cooling water and the coil 300, thereby avoiding the coil 300 being in a high-temperature environment for a long time. Therefore, the heat exchange between the flowing cooling water in the high-frequency transformer and the coil 300 achieves rapid heat dissipation of the coil 300.

[0029] In order to optimize the above technical solution, the circulating heat dissipation water channel includes a circulating water channel and a connecting water channel 402, the circulating water channel includes a first water channel 400 and a second water channel 401, the first water channel 400 is arranged above the second water channel 401, and the connecting water channel 402 is used to connect the first water channel 400 with the second water channel 401. Specifically, the first water channel 400, the connecting water channel 402 and the second water channel 401 are connected in sequence to form a circulating heat dissipation water channel for circulating cooling water. It should be noted that the circulating water channel may include two or more water channels, the number of water channels included in the circulating water channel is one more than the number of connecting water channels 402, and the two or more water channels are arranged in a superimposed manner in the vertical direction. For example, when the circulating water channel includes three water channels, the circulating heat dissipation water channel includes two connecting water channels 402, and the two connecting water channels 402 connect the three water channels in sequence. When in use, taking the case where the circulating water channel includes the first water channel 400 and the second water channel 401, and the circulating heat dissipation water channel includes a connecting water channel 402 as an example, the cooling water enters from one of the first water channel 400 and the second water channel 401, flows through the connecting water channel 402, and leaves the transformer cavity 100 from the other of the first water channel 400 and the second water channel 401, taking away the heat of the coil 300 during the flow, thereby achieving rapid heat dissipation of the coil 300 and cooling the internal environment of the transformer cavity 100.

[0030] In order to optimize the above technical solution, the first water channel 400 and the second water channel 401 are right-angled. Specifically, the transformer cavity 100 is a rectangular parallelepiped, and the first water channel 400 and the second water channel 401 are right-angle structures that can expand the heat exchange area of ​​the circulating heat dissipation water channel to the transformer cavity 100 in the horizontal direction. Combined with increasing the number of water channels included in the circulating water channel, the heat exchange area of ​​the circulating heat dissipation water channel to the transformer cavity 100 in the longitudinal direction can be further expanded. The flow of low-temperature cooling water takes away the heat inside the accommodating cavity 200 to achieve the purpose of cooling and dissipating the high-frequency transformer, thereby extending the service life of the high-frequency transformer. Such an arrangement allows the operator to change the layout position of the circulating heat dissipation water channel according to the use needs to achieve different heat dissipation effects on the transformer cavity 100, thereby improving the use flexibility and practicality of the high-frequency transformer.

[0031] In order to optimize the above technical solution, the first end of the first water channel 400 is arranged with one of the water inlet nozzle 403 and the water outlet nozzle 404, and the first end of the second water channel 401 is arranged with the other of the water inlet nozzle 403 and the water outlet nozzle 404, and the water inlet nozzle 403 and the water outlet nozzle 404 are 90° water nozzles. Specifically, the utility model preferably has an even number of water channels included in the circulating water channel to ensure that the water inlet nozzle 403 and the water outlet nozzle 404 are arranged on the same side of the transformer cavity 100, so as to facilitate the connection of the water pipe for inputting cooling water. Further, the utility model preferably has the water inlet nozzle 403 and the water outlet nozzle 404 as a 90° rotatable structure, and the connection method thereof is a threaded joint, and the dead corner of the space is avoided during installation. After installation, the direction of the water inlet nozzle 403 and the water outlet nozzle 404 can be rotated to any direction, which further facilitates the installation of the water pipe.

[0032] In order to optimize the above technical solution, the first water channel 400 and the second water channel 401 are through holes opened in the transformer cavity 100, the first water channel 400 is connected to the corner with the first plug 500, the second water channel 401 is connected to the corner with the second plug 501, the second end of the first water channel 400 is connected to the third plug 502, the second end of the second water channel 401 is connected to the fourth plug 503, the connecting water channel 402 is a non-through hole opened in the transformer cavity 100, and the opening side of the connecting water channel 402 is connected to the fifth plug 504. Specifically, the first plug 500, the second plug 501, the third plug 502, the fourth plug 503 and the fifth plug 504 are ED plugs, which have the advantages of good sealing effect and large pressure bearing capacity. Specifically, the first water channel 400, the connecting water channel 402, and the second water channel 401 are directly opened in the transformer cavity 100, which can save space for installing additional pipes. The first water channel 400, the connecting water channel 402, and the second water channel 401 are internally connected, which can reduce the volume of the high-frequency transformer, facilitate water channel connection, and reduce the risk of cooling water leakage, thereby improving the processing efficiency during production. It should be noted that the above description only takes the circulating heat dissipation water channel including the first water channel 400, the second water channel 401, and the connecting water channel 402 as an example. The operator can increase the number of plugs as the number of water channels increases to ensure the sealing effect of the circulating heat dissipation water channel.

[0033] In order to optimize the above technical solution, the number of accommodating cavities 200 is one or more. Specifically, the utility model preferably has two accommodating cavities 200, and the two accommodating cavities 200 are arranged in parallel. The shape of the accommodating cavity 200 is adapted to the shape of the coil 300 to be accommodated. The square coil 300 and the circular coil 300 are the mainstream models on the market now, and there are many standard material specifications and models to choose from, thereby enhancing the versatility of the high-frequency transformer and reducing the design and use cost of the high-frequency transformer.

[0034] In order to optimize the above technical solution, an inlet and outlet port 600 is provided between the two accommodating chambers 200, and the inlet and outlet port 600 is used to accommodate the incoming and outgoing wires of the coil 300. Specifically, when the number of the accommodating chambers 200 is two or more, an inlet and outlet port 600 is provided between at least two accommodating chambers 200, and the inlet and outlet port 600 is provided at the top of the transformer cavity 100. When in use, taking the transformer cavity 100 having two accommodating chambers 200 as an example, the incoming wires of the two coils 300 pass through the inlet and outlet port 600, and after installation, the outgoing wires of the coils 300 pass through the inlet and outlet port 600 again. Such an arrangement can save space and facilitate the installation of the coils 300. At the same time, after the high-frequency transformer is installed, the operator will inject thermal conductive potting glue, generally insulating thermal conductive silicone grease, into the high-frequency transformer to facilitate the heat dissipation inside the high-frequency transformer. When the operator injects insulating thermal conductive silicone grease into the transformer cavity 100, the gap formed by the inlet and outlet ports 600 is conducive to the left and right flow of the insulating thermal conductive silicone grease, thereby improving the work efficiency of the operator.

[0035] In order to optimize the above technical solution, a protrusion 700 is arranged on the upper surface of the transformer cavity 100, an insulating space is formed between the top of the protrusion 700 and the bottom of the protrusion 700, and an insulating plate is arranged on the top of the protrusion 700. Specifically, the bottom of the protrusion 700 serves as the lap surface of the neutral point output row of the high-frequency transformer, and the top of the protrusion 700 is the fixing surface of the secondary side output row of the high-frequency transformer. The insulating plate can insulate and isolate the above two parts, thereby improving the safety of the high-frequency transformer.

[0036] In order to optimize the above technical solution, the side wall of the transformer cavity 100 is provided with a mounting hole, and the mounting hole is used to fix the diode. It should be noted that in the prior art, the transformer needs to add a water-cooled heat sink as a separate heat sink to exchange heat for the coil 300, and the diode is fixed on the water-cooled heat sink. This device occupies a large space. The utility model directly opens the circulating heat dissipation water channel inside the transformer cavity 100, omits the installation space of the heat sink, reduces the overall volume of the high-frequency transformer, and can also open a mounting hole on the side wall of the transformer cavity 100 to directly fix the diode to the transformer cavity 100, further reducing the overall volume of the high-frequency transformer.

[0037] Furthermore, there are multiple mounting holes, and they can be used to mount other components besides diodes, so as to increase the usable space of the transformer cavity 100 and reduce the overall volume of the high-frequency transformer.

[0038] Furthermore, a fixing hole 800 is provided on the side wall of the transformer cavity 100 to facilitate installation and fixation of the high-frequency transformer.

[0039] It should be noted that the coil 300 in the high-frequency transformer provided by the utility model can be connected in parallel or in series. Under the same power condition, the transformer cavity 100 of the above-mentioned high-frequency transformer is small in size and low in production cost, which is conducive to the installation and use of the high-frequency transformer in a small module; when the high-frequency transformer is working, the heat energy generated by the high-frequency transformer is quickly brought out by the cooling water in the circulating heat dissipation water channel to achieve the purpose of dissipating heat to the high-frequency transformer.

[0040] In order to optimize the above technical solution, the material of the transformer cavity 100 is 6063 aluminum alloy. Specifically, the 6063 aluminum alloy material has good heat transfer properties and good heat dissipation performance, so that the heat generated by the coil 300 can be transferred to the cooling water more quickly, thereby further improving the heat dissipation efficiency of the transformer cavity 100, and the 6063 aluminum alloy material is cheap and has good economic practicality.

[0041] The advantages of the utility model are:

[0042] (1) Able to achieve rapid heat dissipation of the coil;

[0043] (2) Improved the heat dissipation efficiency of high-frequency transformers;

[0044] (3) The overall volume of the high-frequency transformer is reduced.

[0045] It should be noted that the high-frequency transformer provided by the present invention can be used in the field of transformer technology or other fields. Other fields are any fields other than the field of transformer technology. The above are only examples and do not limit the application fields of the high-frequency transformer provided by the present invention.

[0046] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0047] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", 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 representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high frequency transformer, characterized in that: It comprises a transformer cavity, a circulating heat dissipation water channel and a receiving cavity, wherein the receiving cavity is arranged inside the transformer cavity and is used to receive the coil, the circulating heat dissipation water channel is arranged on the side of the receiving cavity, and cooling water is arranged inside the circulating heat dissipation water channel, and the cooling water is used to exchange heat for the coil; The circulating heat dissipation water channel includes a circulating water channel and a connecting water channel, the circulating water channel includes a first water channel and a second water channel, the first water channel is arranged above the second water channel, and the connecting water channel is used to connect the first water channel and the second water channel; The first water channel and the second water channel are through holes opened in the transformer cavity, the first water channel is connected to a first plug at a corner, the second water channel is connected to a second plug at a corner, the second end of the first water channel is connected to a third plug, the second end of the second water channel is connected to a fourth plug, the connecting water channel is a non-through hole opened in the transformer cavity, and the opening side of the connecting water channel is connected to a fifth plug.

2. The high frequency transformer according to claim 1, characterized in that: The first water channel and the second water channel are in a right angle shape.

3. The high frequency transformer according to claim 1, characterized in that: The first end of the first water channel is arranged with one of the water inlet and the water outlet, and the first end of the second water channel is arranged with the other of the water inlet and the water outlet, and the water inlet and the water outlet are 90° water nozzles.

4. The high frequency transformer according to claim 1, characterized in that: The number of the accommodating cavities is one or more.

5. The high frequency transformer according to claim 4, characterized in that: A wire inlet and outlet is provided between the two accommodating chambers, and the wire inlet and outlet is used to accommodate the incoming wire and the outgoing wire of the coil.

6. The high frequency transformer according to claim 1, characterized in that: A protrusion is arranged on the upper surface of the transformer cavity, an insulating space is formed between the top of the protrusion and the bottom of the protrusion, and an insulating plate is arranged on the top of the protrusion.

7. The high frequency transformer according to claim 1, characterized in that: The side wall of the transformer cavity is provided with a mounting hole, and the mounting hole is used to fix the diode.

8. The high frequency transformer according to claim 1, characterized in that: The transformer cavity is made of 6063 aluminum alloy.

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