Glue pouring type LLC resonant converter
By designing a detachable glue filling LLC resonant converter, the problem of difficulty in replacing power converters and dust heat accumulation in the prior art is solved, and more efficient glue filling and longer service life are achieved.
Patent Information
- Application Number
- CN202421187367.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-28
AI Technical Summary
It is difficult to replace damaged parts during use by existing power converters, and dust is likely to enter during the glue filling process, and internal heat accumulation may cause damage to the converter.
A rubber-filling LLC resonant converter is designed, adopting a detachable shell structure, fixed by the cover body and bolts, and a rubber-filling hole is installed for closed rubber-filling. It is equipped with a fan and a dust-proof structure to prevent heat accumulation and dust from entering.
It realizes the convenient disassembly and replacement of the converter housing, avoids the problems of dust entering and heat accumulation, improves the efficiency and quality of glue filling, and extends the service life of the converter.
Smart Images

Figure CN222531527U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of converter devices, in particular to a glue-filled LLC resonant converter. Background Art
[0002] A power converter, also known as an AC converter, is a type of transformer. It is a device that uses the principle of electromagnetic induction to change AC voltage, converting high-voltage current into low-voltage current to ensure power consumption and protect components from low working efficiency due to excessively high or low voltage. A power converter is required in the use of LLC resonant power supply.
[0003] During the use of the existing power converter, when there is damage inside the converter, it is inconvenient to replace it, and it is not convenient to glue the LLC resonant converter. During the glue pouring process, environmental dust is likely to enter. During the use of the power converter, internal heat accumulation is likely to cause damage to the converter. Therefore, a glue-filled LLC resonant converter is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a glue-potting LLC resonant converter to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a glue-filled LLC resonant converter, comprising a converter housing, a fan body, a dust-proof structure, and a cover body; an inner shell frame is arranged inside the converter housing, and the LLC resonant converter is arranged in the inner shell frame; a heat dissipation groove is arranged on the converter housing, and the fan body is arranged in the heat dissipation groove, and a fan bracket is arranged on the fan body, and the fan bracket is fixed inside the converter housing; a dust-proof structure is arranged outside the heat dissipation groove on the converter housing; a cover body is arranged on the top of the converter housing, and side connecting blocks are arranged on both sides of the cover body, and block holes are arranged on the side connecting blocks; shell side holes are arranged on both sides of the converter housing, and the positions of the shell side holes and the block holes correspond to each other; a first bolt is arranged on the side connecting block, and the first bolt passes through the block hole and the shell side hole; a glue-filling device is arranged on the top of the cover body.
[0006] Preferably, the glue pouring device is provided with a glue pouring hole, the glue pouring hole is connected to the inside of the converter housing, the position of the glue pouring hole corresponds to the inner frame of the shell, the outside of the glue pouring device is provided with a thread, and the glue pouring device is provided with a hole cover, and glue is poured into the inside of the converter housing through the glue pouring hole.
[0007] Preferably, fixed side panels are provided on the bottom of both sides of the converter housing, mounting holes are provided on the fixed side panels, and ring grooves are provided on the tops of the mounting holes, so that the converter housing is fixedly installed by the fixed side panels.
[0008] Preferably, a shell hole is provided next to the heat dissipation groove on the converter housing, a frame side hole is provided on the dustproof structure, the frame side hole and the shell hole are positioned correspondingly, and a second bolt is provided on the dustproof structure, and the second bolt passes through the frame side hole and extends into the shell hole.
[0009] Preferably, a dustproof net is provided on the dustproof structure, and the dustproof net prevents dust from entering the interior of the converter housing through the heat dissipation slot.
[0010] Compared with the prior art, the beneficial effects of the utility model are: the converter housing is conveniently opened by the provided cover body, and the cover body and the converter housing are fixed by the first bolt; the converter housing is fixed by the provided fixed side panel; the glue filling holes are convenient for glue filling inside the converter housing, and there is no outside air during the glue filling process, thereby improving the efficiency and quality of the glue filling; the inside of the converter housing is dissipated by the provided fan body to avoid heat accumulation; the converter housing is dustproofed by the provided dustproof structure to avoid dust entry. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the converter housing structure of the utility model;
[0013] Figure 3 This is a schematic diagram of the dustproof structure of the utility model;
[0014] Figure 4 This is a schematic diagram of the cover structure of the utility model;
[0015] Numbers in the figure: 1. Converter housing; 11. Inner frame of housing; 12. Heat dissipation slot; 13. Shell side hole; 14. Shell hole; 15. Fixed side plate; 151. Mounting hole; 152. Hole ring groove; 2. Fan body; 21. Fan bracket; 3. Dustproof structure; 31. Dustproof net; 32. Frame side hole; 4. Cover body; 41. Glue filling device; 411. Glue filling hole; 42. Side connecting block; 421. Block hole; 5. Hole cover; 51. First bolt; 52. Second bolt. DETAILED DESCRIPTION
[0016] 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 creative work are within the scope of protection of the utility model.
[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0019] See also Figure 1-4 The utility model provides a technical solution: a glue-filled LLC resonant converter, comprising a converter housing 1, a fan body 2, a dustproof structure 3, and a cover body 4; an inner shell frame 11 is arranged inside the converter housing 1, and the inner shell frame 11 is provided with an LLC resonant converter, a heat dissipation slot 12 is arranged on the converter housing 1, the fan body 2 is arranged in the heat dissipation slot 12, a fan bracket 21 is arranged on the fan body 2, and the fan bracket 21 is fixed inside the converter housing 1, and a dustproof structure 3 is arranged outside the heat dissipation slot 12 on the converter housing 1, a cover body 4 is arranged on the top of the converter housing 1, side connecting blocks 42 are arranged on both sides of the cover body 4, and block holes 421 are arranged on the side connecting blocks 42, and shell side holes 13 are arranged on both sides of the converter housing 1, and the shell side holes 13 and the block holes 421 correspond in position, and the side connecting blocks 42 are provided with first bolts 51, and the first bolts 51 pass through the block holes 421 and the shell side holes 13, and a glue-filling device 41 is arranged on the top of the cover body 4.
[0020] Furthermore, the glue pouring device 41 is provided with a glue pouring hole 411, which is connected to the interior of the converter housing 1, and the position of the glue pouring hole 411 corresponds to the inner frame 11 of the shell. The outside of the glue pouring device 41 is provided with a thread, and the glue pouring device 41 is provided with a hole cover 5, and glue is poured into the interior of the converter housing 1 through the glue pouring hole 411.
[0021] Furthermore, fixed side plates 15 are provided on the bottom of both sides of the converter housing 1 , mounting holes 151 are provided on the fixed side plates 15 , and ring grooves 152 are provided on the tops of the mounting holes 151 , and the converter housing 1 is fixedly installed by the fixed side plates 15 .
[0022] Furthermore, a shell hole 14 is provided next to the heat dissipation slot 12 on the converter housing 1, a frame side hole 32 is provided on the dustproof structure 3, the frame side hole 32 and the shell hole 14 correspond in position, and a second bolt 52 is provided on the dustproof structure 3, and the second bolt 52 passes through the frame side hole 32 and extends into the shell hole 14.
[0023] Furthermore, a dustproof net 31 is provided on the dustproof structure 3 , and the dustproof net 31 prevents dust from entering the inside of the converter housing 1 through the heat dissipation slot 12 .
[0024] Working principle: Place the LLC resonant converter in the inner frame 11 of the shell, cover the cover body 4, and fix the cover body 4 and the converter housing 1 through the first bolt 51 passing through the block hole 421 and the shell side hole 13. Glue the LLC resonant converter inside the converter housing 1 through the glue injection hole 411. After the glue injection is completed, install the hole cover 5, install the dustproof structure 3, and fix the dustproof structure 3 on the converter housing 1 through the second bolt 52. The entire device is installed and fixed by fixing the side panel 15. The inside of the converter housing 1 is cooled by the fan body 2 to avoid heat accumulation.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A glue-filled LLC resonant converter, characterized in that: The invention comprises a converter housing (1), a fan body (2), a dustproof structure (3), and a cover body (4); an inner housing frame (11) is arranged inside the converter housing (1), an LLC resonant converter is arranged in the inner housing frame (11), a heat dissipation groove (12) is arranged on the converter housing (1), the fan body (2) is arranged in the heat dissipation groove (12), a fan bracket (21) is arranged on the fan body (2), the fan bracket (21) is fixed inside the converter housing (1), and a heat dissipation groove (12) on the converter housing (1) is arranged outside. A dustproof structure (3) is provided, a cover body (4) is provided on the top of the converter housing (1), side connection blocks (42) are provided on both sides of the cover body (4), block holes (421) are provided on the side connection blocks (42), shell side holes (13) are provided on both sides of the converter housing (1), the shell side holes (13) and the block holes (421) are located in corresponding positions, a first bolt (51) is provided on the side connection block (42), the first bolt (51) passes through the block hole (421) and the shell side hole (13), and a glue injection device (41) is provided on the top of the cover body (4).
2. The glue-potted LLC resonant converter according to claim 1, characterized in that: The glue pouring device (41) is provided with a glue pouring hole (411), the glue pouring hole (411) is connected to the inside of the converter housing (1), the position of the glue pouring hole (411) corresponds to the housing inner frame (11), the outside of the glue pouring device (41) is provided with a thread, and the glue pouring device (41) is provided with a hole cover (5).
3. The glue-potted LLC resonant converter according to claim 1, characterized in that: Fixed side plates (15) are provided on the bottoms of both sides of the converter housing (1), mounting holes (151) are provided on the fixed side plates (15), and hole ring grooves (152) are provided on the tops of the mounting holes (151).
4. The glue-potted LLC resonant converter according to claim 1, characterized in that: A shell hole (14) is arranged beside the heat dissipation slot (12) on the converter housing (1), a frame side hole (32) is arranged on the dustproof structure (3), the frame side hole (32) and the shell hole (14) are located correspondingly, and a second bolt (52) is arranged on the dustproof structure (3), and the second bolt (52) passes through the frame side hole (32) and extends into the shell hole (14).
5. The glue-potted LLC resonant converter according to claim 1, characterized in that: The dustproof structure (3) is provided with a dustproof net (31).