Integrated transformer
By using thermally conductive parts made of insulating materials in the integrated transformer, the problem of heat accumulation after glue filling is solved, achieving faster heat dissipation and a wider range of applications.
Patent Information
- Application Number
- CN202422880915.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-22
AI Technical Summary
After the existing integrated transformer is filled with glue, the coil and the magnetic core are in contact with the thermal glue and generate a lot of heat, resulting in poor heat dissipation effect.
A heat conducting member made of insulating material is located between the winding device and the housing. The heat of the winding device is transferred to the housing through the heat conducting member to accelerate heat dissipation. The heat conducting member includes multiple groups of heat dissipation blocks that fit the housing to increase the contact area.
The overall heat dissipation effect of the integrated transformer is improved, ensuring that the transformer is within the normal operating temperature range, reducing the weight and expanding the scope of application.
Smart Images
Figure CN223462087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer technical field, especially integrate transformer. BACKGROUND
[0002] The transformer is a device for changing AC voltage by using the principle of electromagnetic induction, and main components include a support, insulation, a magnetic core, a primary coil and a secondary coil. In a wireless circuit, it is commonly used for voltage lifting and lowering, auxiliary power supply, safety isolation and the like. The integrated transformer in the prior art generates a large amount of heat after being filled with glue, and the coil and the magnetic core after being filled with glue are in contact with hot glue, and the magnetic core and the coil are sealed in the glue, so that heat dissipation is slow and the heat dissipation effect is poor.
[0003] Therefore, it is necessary to provide an integrated transformer to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model provides an integrated transformer, solves the integrated transformer in prior art when filling with glue and the problem of slow heat dissipation of a large amount of heat generated by contact with glue.
[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: an integrated transformer, comprising a shell, a winding device connected in the shell, and a heat conduction piece located in the shell for accelerating heat dissipation of the winding device, both sides of the heat conduction piece are attached to the winding device and the shell, when the shell is filled with glue, the heat of the winding device is conducted on the shell through the heat conduction piece for accelerating heat dissipation of the winding device.
[0006] In the utility model, the heat conduction piece is made of insulating material.
[0007] In the utility model, the shell comprises a middle frame and an upper cover connected to the top of the middle frame, and the heat conduction piece is located between the winding device and the upper cover.
[0008] In the utility model, the winding device comprises a first winding, a second winding and a third winding connected in the middle frame in sequence, and the second winding is located between the first winding and the third winding.
[0009] The heat conduction piece comprises a plurality of first heat dissipation blocks located between the first winding and the upper cover, a plurality of second heat dissipation blocks located between the second winding and the upper cover, and a third heat dissipation block located between the third winding and the upper cover.
[0010] In the utility model, the first winding and the second winding each comprise a first magnetic core and a plurality of first coils wound side by side on the first magnetic core, and the first heat dissipation block and the second heat dissipation block each are provided with arc-shaped grooves side by side and attached to the first coils.
[0011] In the utility model, one side of the first radiating block and the second radiating block close to the upper cover is plane.
[0012] In the utility model, the third winding includes a second magnetic core and a second coil wound on the second magnetic core, two third radiating blocks are arranged on the two sides of the second coil, one side of the third radiating block close to the second coil is arc surface, and one side of the third radiating block close to the upper cover is plane.
[0013] In the utility model, the first winding is provided with two layers of first coils arranged side by side.
[0014] In the utility model, a partition plate is further arranged between the first winding and the second winding.
[0015] In the utility model, the side of the upper cover is further provided with a limiting plate attached to the surface of the middle frame.
[0016] Compared with the prior art, the utility model has the beneficial effects that: the integrated transformer of the utility model, when the integrated transformer is filled with glue, the winding device is sealed in the glue, and a large amount of heat is generated when the winding device contacts the hot glue, since the heat conduction piece is attached to the winding device and the shell, the winding device conducts its heat to the heat conduction piece, the heat conduction piece conducts the heat conducted by the winding device to the shell, thereby accelerating the heat dissipation of the winding device, and improving the overall heat dissipation effect of the integrated transformer. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following briefly introduces the drawings needed to be used in the embodiments, and the drawings in the following description are only corresponding drawings of some embodiments of the utility model.
[0018] Figure 1 It is a perspective view of the integrated transformer of the utility model.
[0019] Figure 2 It is an explosion view of the integrated transformer of the utility model.
[0020] Figure 3 It is a perspective view of the winding device of the integrated transformer of the utility model.
[0021] Figure 4 It is a perspective view of the first radiating block of the integrated transformer of the utility model.
[0022] Figure 5 It is a perspective view of the third radiating block of the integrated transformer of the utility model.
[0023] 11, housing; 12, winding device; 13, heat conduction member; 111, middle frame; 112, upper cover; 1121, limiting plate; 121, first winding; 122, second winding; 123, third winding; 131, first heat dissipation block; 132, second heat dissipation block; 133, third heat dissipation block; 1311, arc-shaped groove; 1312, plane. DETAILED DESCRIPTION
[0024] In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present disclosure.
[0025] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as their common meanings to those skilled in the art to which the present disclosure belongs.
[0026] The terms "first", "second", and similar terms used in the patent application specification and claims of the present disclosure do not denote any order, quantity, or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects appearing before "include" or "contain" cover the elements or objects listed after "include" or "contain" and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right", and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.
[0027] The technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present utility model.
[0028] The following is a preferred embodiment of an integrated transformer provided by the present utility model that can solve the above technical problems.
[0029] Please refer to Figure 1 , Figure 2 and Figure 3 , wherein Figure 1The preferred embodiment structure diagram of the integrated transformer of the utility model, Figure 2 The rear view of the preferred embodiment of the integrated transformer of the utility model, Figure 3 The top view of the preferred embodiment of the integrated transformer of the utility model.
[0030] In the drawings, similar elements are denoted by the same reference numerals.
[0031] The terms "first", "second" and the like in the utility model are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order.
[0032] The integrated transformer provided by the utility model, including shell 11, winding device 12 connected in shell 11 and heat conduction piece 13 for accelerating the heat dissipation of winding device 12 in shell 11, the two sides of heat conduction piece 13 are respectively attached with winding device 12 and shell 11, when filling glue in shell 11, the heat of winding device 12 is conducted on shell 11 through heat conduction piece 13 for accelerating the heat dissipation of winding device 12, shell 11 is used for installing winding device 12 and heat conduction piece 13, when filling glue in integrated transformer, the contact between glue and winding device 12 after filling glue in shell 11 makes winding device 12 generate a large amount of heat, because the two sides of heat conduction piece 13 are respectively attached with shell 11 and winding device 12, the heat generated by winding device 12 is conducted on heat conduction piece 13 and shell 11, thereby accelerating the heat dissipation of winding device 12, so as to improve the heat dissipation effect of integrated transformer as a whole.
[0033] In the utility model, the glue for filling in integrated transformer is epoxy resin glue, but it is not limited to only using epoxy resin glue.
[0034] Heat conduction piece 13 is insulating material, insulating material has higher temperature resistance grade, and can also play the role of isolation, heat conduction piece 13 in the utility model is insulating aluminum material, on the one hand, the density of insulating aluminum is small, can reduce the total weight of transformer, on the other hand, the heat dissipation performance is high, which helps to maintain the normal operating temperature of transformer, but it is not limited to only using insulating aluminum material.
[0035] Shell 11 includes middle frame 111 and upper cover 112 connected at the top of middle frame 111, heat conduction piece 13 is located between winding device 12 and upper cover 112, heat conduction piece 13 is located between upper cover 112 and winding device 12, after filling glue in shell 11 is completed, because upper cover 112 is located at the top of shell 11, heat conduction piece 13 conducts heat on upper cover 112, which can also accelerate the heat dissipation of upper cover 112, thereby accelerating the heat dissipation of winding device 12.
[0036] The winding device 12 comprises a first winding 121, a second winding 122 and a third winding 123 connected in sequence in the middle frame 111, the second winding 122 is located between the first winding 121 and the third winding 123, the heat conduction piece 13 comprises a plurality of first heat dissipation blocks 131 located between the first winding 121 and the upper cover 112, a plurality of second heat dissipation blocks 132 located between the second winding 122 and the upper cover 112, and a third heat dissipation block 133 located between the third winding 123 and the upper cover 112, the plurality of windings provided by the winding device 12 can meet different voltages and powers, and the application range is more extensive, at the same time, the first heat dissipation block 131 is used for dissipating heat for the first winding 121, the second heat dissipation block 132 is used for dissipating heat for the second winding 122, and the third heat dissipation block 133 is used for dissipating heat for the third winding 123, when dissipating heat for the winding device 12, the first heat dissipation block 131, the second heat dissipation block 132 and the third heat dissipation block 133 simultaneously dissipate heat for the winding device 12, further accelerating the heat dissipation of the winding device 12.
[0037] The first winding 121 and the second winding 122 each comprise a first magnetic core and a plurality of first coils wound side by side on the first magnetic core, the first heat dissipation block 131 and the second heat dissipation block 132 each are provided with arc-shaped grooves 1311 side by side and in contact with the first coils, the arc-shaped grooves 1311 of the first heat dissipation block 131 are used for increasing the contact area of the first heat dissipation block 131 and the first winding 121, for the heat on the first winding 121 to be conducted on the first heat dissipation block 131, the arc-shaped grooves 1311 of the second heat dissipation block 132 are used for increasing the contact area of the second heat dissipation block 132 and the second winding 122, for the heat on the second winding 122 to be conducted on the second heat dissipation block 132, one side of the first heat dissipation block 131 and the second heat dissipation block 132 close to the upper cover 112 is a plane 1312, for increasing the contact area of the first heat dissipation block 131 and the second heat dissipation block 132 and the upper cover 112, for accelerating the heat conduction of the first heat dissipation block 131 and the second heat dissipation block 132 on the upper cover 112, facilitating the heat dissipation of the winding device 12.
[0038] The third winding 123 comprises a second magnetic core and a second coil wound on the second magnetic core, the third heat dissipation block 133 is provided with two, the two third heat dissipation blocks 133 are connected on both sides of the second coil, one side of the third heat dissipation block 133 close to the second coil is an arc surface, one side of the third heat dissipation block 133 close to the upper cover 112 is a plane 1312, the two third heat dissipation blocks 133 are connected on both sides of the second coil, for accelerating the heat conduction of the third coil on the third heat dissipation block 133, so that the heat of the third heat dissipation block 133 can be conducted on the upper cover 112, effectively improving the heat dissipation of the third winding 123.
[0039] The first winding 121 is provided with two layers of first coils in parallel, which can improve the performance and efficiency of the motor.
[0040] A partition is further provided between the first winding 121 and the second winding 122 to ensure a safe distance between the first winding 121 and the second winding 122 and to prevent the coils of the first winding 121 and the second winding 122 from contacting each other and affecting the inductance.
[0041] The side of the upper cover 112 is also provided with a limiting plate 1121 that fits with the surface of the middle frame 111. The limiting plate 1121 is used to facilitate the connection of the upper cover 112 to the middle frame 111. When the upper cover 112 is connected to the middle frame 111, the limiting plate 1121 fits on the middle frame 111, thereby limiting the upper cover 112 and facilitating the fixing of the upper cover 112 on the middle frame 111.
[0042] Working principle:
[0043] After the winding device 12 is installed in the housing 11 and the housing 11 with the winding device 12 installed is glued, a large amount of heat is generated after the winding device 12 comes into contact with the hot glue. After the glue is poured, the first winding 121, the second winding 122, and the third winding 123 are sealed in the glue. The first heat dissipation block 131 is fitted with the first coil of the first winding 121 and the upper cover 112, the second heat dissipation block 132 is fitted with the first coil of the second winding 122 and the upper cover 112, and the third heat dissipation block 133 is fitted with the second coil of the third winding 123 and the upper cover 112. The first heat dissipation block 131 and the second heat dissipation block 132 are both provided with side-by-side arc grooves 1311, so that the first heat dissipation block 131 can increase the contact area with the first coil on the first winding 121, and the second heat dissipation block 132 can increase the contact area with the first coil on the second winding 122, so as to increase the heat dissipation of the first winding 121 The heat on the upper cover 112 is conducted to increase the heat on the second winding 122 to conduct on the upper cover 112. At the same time, the arc surface of the third heat sink 133 is attached to the second coil, and the third heat sink 133 increases the contact area with the second coil of the third winding 123. The first heat sink 131, the second heat sink 132, and the third heat sink 133 are all attached to the upper cover 112. The surface of the flat surface 1312 further increases the contact area between the heat conductor 13 and the upper cover 112, so that the first heat sink 131 can well conduct the heat on the first winding 121 to the upper cover 112, the second heat sink 132 can well conduct the heat of the second winding 122 to the upper cover 112, and the third heat sink 133 can well conduct the heat of the third winding 123 to the upper cover 112, so as to accelerate the heat dissipation of the winding device 12 and improve the overall heat dissipation effect of the transformer.
[0044] The integrated transformer of the preferred embodiment is sealed in the glue when the integrated transformer is filled with glue, and a large amount of heat is generated when the winding device is in contact with the hot glue, since the heat-conducting member is attached to the winding device and the shell, the winding device conducts its heat to the heat-conducting member, the heat-conducting member conducts the heat conducted by the winding device to the shell, thereby accelerating the heat dissipation of the winding device, and improving the overall heat dissipation effect of the integrated transformer.
[0045] In summary, although the utility model has disclosed above with preferred embodiment, the above preferred embodiment is not used to limit the utility model, the ordinary skilled in the art can make various changes and decorations without departing from the spirit and scope of the utility model, therefore the protection scope of the utility model is the range defined by the claims.
Claims
1. An integrated transformer, characterized by The application relates to a shell, winding device connected in the shell and heat conduction member in the shell for accelerating heat dissipation of the winding device, two sides of the heat conduction member are respectively attached to the winding device and the shell, when glue is poured into the shell, heat of the winding device is conducted on the shell through the heat conduction member for accelerating heat dissipation of the winding device.
2. The integrated transformer of claim 1, wherein, The heat conduction member is made of insulating material.
3. The integrated transformer of claim 1, wherein, The shell comprises a middle frame and an upper cover connected to the top of the middle frame, and the heat conduction member is located between the winding device and the upper cover.
4. The integrated transformer of claim 3, wherein, The winding device comprises a first winding, a second winding and a third winding connected in the middle frame in sequence, and the second winding is located between the first winding and the third winding. The heat conduction member comprises a plurality of first heat dissipation blocks located between the first winding and the upper cover, a plurality of second heat dissipation blocks located between the second winding and the upper cover and a third heat dissipation block located between the third winding and the upper cover.
5. The integrated transformer of claim 4, wherein, The first winding and the second winding each comprise a first magnetic core and a plurality of first coils wound on the first magnetic core in parallel, and the first heat dissipation block and the second heat dissipation block each are provided with arc-shaped grooves in parallel and attached to the first coils.
6. The integrated transformer of claim 5, wherein, One side of the first heat dissipation block and the second heat dissipation block close to the upper cover is a plane.
7. The integrated transformer of claim 4, wherein, The third winding comprises a second magnetic core and a second coil wound on the second magnetic core, the third heat dissipation block is provided with two, the two third heat dissipation blocks are connected to the two sides of the second coil, one side of the third heat dissipation block close to the second coil is a curved surface, and one side of the third heat dissipation block close to the upper cover is a plane.
8. The integrated transformer of claim 4, wherein, The first winding is provided with two layers of first coils in parallel.
9. The integrated transformer of claim 4, wherein, A partition plate is further arranged between the first winding and the second winding.
10. The integrated transformer of claim 3, wherein, The side of the upper cover is further provided with a limiting plate attached to the surface of the middle frame.