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CN-224232463-U - Portable energy storage LLC transformer capable of being flexibly assembled

CN224232463UCN 224232463 UCN224232463 UCN 224232463UCN-224232463-U

Abstract

The utility model discloses a portable energy storage LLC transformer capable of being flexibly assembled, which comprises a transformer shell, a coil fixed shaft and a framework, wherein the coil fixed shaft and the framework are arranged in the transformer shell, movable connecting blocks used for positioning with the coil fixed shaft are fixed at the left end and the right end of the inner side of the framework, and a connecting mechanism used for butt joint assembly is arranged at the bottom of the coil fixed shaft. This portable energy storage LLC transformer that can assemble in a flexible way, the transformer secondary adopts integrative injection moulding of C1100 copper sheet and bakelite powder, can carry out technology production automation and standardization, the manpower has been practiced thrift, the cost has been saved effectively, moreover, through coupling mechanism's setting between the skeleton of transformer and the coil dead axle, can nimble equipment, the cooperation, the process has been differentiated, work efficiency has been improved, soak insulating oil in the transformer casing in addition, thereby can improve the holistic inseparable degree of transformer, guarantee that transformer stable in structure can not take place to remove.

Inventors

  • GUO FANGPING
  • CHEN GUFENG
  • ZHAO DONGLIANG

Assignees

  • 杭州裕正电子有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (6)

  1. 1. The portable energy storage LLC transformer capable of being flexibly assembled comprises a transformer shell (1), and a coil fixed shaft (2) and a framework (3) which are arranged in the transformer shell (1), wherein a coil group (4) is wound on the outer surface of the coil fixed shaft (2); Characterized by further comprising: The movable connecting blocks (6) used for positioning the coil fixed shafts (2) are fixed at the left end and the right end of the inner side of the framework (3), and a connecting mechanism used for butt joint assembly is arranged at the bottom of the coil fixed shafts (2).
  2. 2. The portable energy storage LLC transformer capable of being flexibly assembled according to claim 1, wherein the left side and the right side of the coil dead axle (2) are respectively provided with a connecting long groove (5) matched with the movable connecting block (6), and the movable connecting block (6) forms a front-back sliding structure in the connecting long groove (5).
  3. 3. The portable energy storage LLC transformer capable of being flexibly assembled according to claim 1, wherein a fixing groove (7) for limiting is formed in the bottom of the framework (3).
  4. 4. The portable energy storage LLC transformer capable of being flexibly assembled according to claim 1, wherein the connecting mechanism is composed of a spring (8) arranged inside a coil fixed shaft (2), a movable connecting column (9) with a T-shaped structure, a connecting long plate (10) fixed at the lower end of the movable connecting column (9) and a positioning lug (11) arranged at the lower end of the connecting long plate (10) and used for limiting.
  5. 5. The portable energy storage LLC transformer capable of being flexibly assembled according to claim 4, wherein the movable connecting column (9) forms an up-down sliding structure in the transformer shell (1), and the movable connecting column (9) is fixedly connected to the front side and the rear side of the upper end of the connecting long plate (10) respectively; The connecting long plate (10) is connected to the lower end of the coil fixed shaft (2) in a telescopic mode, and the lower surface of the connecting long plate (10) is flush with the lower end of the coil fixed shaft (2).
  6. 6. The portable energy storage LLC transformer capable of being flexibly assembled according to claim 5, wherein the lower end of the connecting long plate (10) is fixedly connected with a positioning lug (11), the connecting long plate (10) drives the positioning lug (11) to be clamped in a fixing groove (7) at a corresponding position, and the positioning lugs (11) are arranged in one-to-one correspondence with the fixing grooves (7).

Description

Portable energy storage LLC transformer capable of being flexibly assembled Technical Field The utility model relates to the technical field related to LLC transformers, in particular to a portable energy storage LLC transformer capable of being flexibly assembled. Background The LLC transformer is power conversion equipment which can be used for adjusting current and voltage and providing proper electric energy for various electronic equipment, can accurately adjust the current and the voltage ‌ according to the requirements of different equipment, can be also used as a power regulator, and has application in various aspects such as a high-frequency switching power supply, a vehicle-mounted OBC, a charging pile and the like; The patent publication No. CN208954762U discloses an LLC transformer, which comprises a first magnetic core, a second magnetic core, a coil framework, a primary winding and a secondary winding, a magnetic sheet and a magnetic sheet, wherein the second magnetic core is covered on the first magnetic core and forms an accommodating cavity with the first magnetic core, the coil framework is arranged in the accommodating cavity, the primary winding and the secondary winding are wound on the coil framework at the same time, the magnetic sheet is arranged between the primary winding and the secondary winding and comprises a first magnetic body and a second magnetic body which are arranged in a split mode, and the first magnetic body and the second magnetic body are respectively clamped on the coil framework and form the magnetic sheet. According to the LLC transformer provided by the utility model, the magnetic sheets are arranged between the primary winding and the secondary winding, the size of the leakage inductance of the transformer is adjusted through the magnetic sheets, and the adjusted leakage inductance is used as the resonance inductance to cooperate with the transformer to work, so that the resonance inductance winding does not need to be additionally and independently arranged, the occupied space of the resonance inductance winding can be saved, the overall size of the LLC transformer is reduced, and the miniaturization of the LLC transformer is facilitated; However, in the prior art, the assembly connection between the framework and the coil fixed shaft which form the transformer is relatively inconvenient, the tightness between the internal element and the external shell is poor, the internal element is easy to shift in the long-term use process, and the overall production cost is relatively high, for example, the problem exists in the above-listed comparative patent; Therefore, we propose a portable energy storage LLC transformer capable of being flexibly assembled to solve the above problems. Disclosure of utility model The utility model aims to provide a portable energy storage LLC transformer capable of being flexibly assembled, which solves the problems that the assembling connection between a framework and a coil fixed shaft of the transformer is inconvenient, the tightness between an internal element and an external shell is poor, the internal element is easy to shift in the long-term use process, and the whole production cost is high. In order to achieve the purpose, the portable energy storage LLC transformer comprises a transformer shell, a coil fixed shaft and a framework, wherein the coil fixed shaft and the framework are arranged in the transformer shell, and a coil group is wound on the outer surface of the coil fixed shaft; Further comprises: the left end and the right end of the inner side of the framework are both fixed with movable connecting blocks for positioning with the coil dead axle, and the bottom of the coil dead axle is provided with a connecting mechanism for butt joint assembly. As a preferable technical scheme of the utility model, the left side and the right side of the coil dead axle are respectively provided with a connecting long groove matched with the movable connecting block, and the movable connecting block forms a front-back sliding structure in the connecting long grooves. By adopting the technical scheme, the connecting long grooves matched with the movable connecting blocks are formed in the left side and the right side of the coil dead axle, and the movable connecting blocks form a front-back sliding structure in the connecting long grooves, so that the framework and the coil dead axle can be conveniently installed and positioned. As a preferable technical scheme of the utility model, a fixing groove for limiting is formed at the bottom of the framework. By adopting the technical scheme, the fixing groove used for limiting is formed in the bottom of the framework, and the fixing groove and the positioning convex block are correspondingly arranged, so that the coil dead axle and the framework are conveniently positioned. As the preferable technical scheme of the utility model, the connecting mechanism is composed of a spring arranged in