CN210325484U

CN210325484U - Small-size transformer of high-efficient heat dissipation heat conduction

Info

Publication number: CN210325484U
Application number: CN201921717813.7U
Authority: CN
Inventors: 薛凯忠
Original assignee: Dongguan Haoying Electronics Co ltd
Current assignee: Dongguan Haoying Electronics Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-04-14
Anticipated expiration: 2029-10-14

Abstract

The utility model relates to a small-size transformer technical field, concretely relates to high-efficient heat dissipation heat conduction small-size transformer, including the skeleton, around the coil of locating the skeleton, the unable adjustment base that links to each other with skeleton one end, unable adjustment base with skeleton position integrated into one piece, unable adjustment base inserts and is equipped with a plurality of connecting terminals, a plurality of connecting terminals all link to each other with the coil, the skeleton is kept away from unable adjustment base one end and is provided with the apron, the apron covers the coil on the skeleton; the utility model provides a current small-size transformer calorific capacity big, the not enough problem of stability in use, adopted the integral type structure, combined heat radiation structure's cooperation, can effectively strengthen overall structure's stability and radiating effect, the radiating strength is high.

Description

Small-size transformer of high-efficient heat dissipation heat conduction

Technical Field

The utility model relates to a miniature transformer technical field especially relates to a miniature transformer of high-efficient heat dissipation heat conduction.

Background

The miniature transformer is a static electric device, is designed and manufactured according to the electromagnetic principle, and mainly comprises an iron core, a winding, an insulator, a shell, necessary components and the like. Due to the differences in capacity and voltage, the structural form of the core, windings, insulation, housing and necessary components of the transformer may vary. At present, the existing transformer manufacturing technology is quite mature, but the problems of complex structure, poor heat dissipation, large volume, excessive internal consumption, poor insulation and the like still exist.

In the prior art, the chinese patent publication No. CN107863234A discloses a small transformer, and the invention aims to provide a small transformer with simple structure, small size, low power consumption, easy heat dissipation, strong short-circuit resistance, and suitability for large-scale popularization and application. However, in practical use, the structure still has a problem of insufficient heat dissipation, for example, the whole structure cannot realize heat dissipation under the condition of large heat generation amount, resulting in insufficient heat dissipation performance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a solve current small-size transformer calorific capacity big, the not enough problem of stability in use has adopted the integral type structure, has combined heat radiation structure's cooperation, can effectively strengthen overall structure's stability and radiating effect, the high-efficient heat conduction's of dispelling the heat small-size transformer that the radiating strength is high.

The utility model adopts the technical proposal that: a small-sized transformer capable of efficiently dissipating heat and conducting heat comprises a framework, a coil wound on the framework and a fixed base connected with one end of the framework, wherein the fixed base and the framework are integrally formed, a plurality of connecting terminals are inserted into the fixed base and are all connected with the coil, a cover plate is arranged at one end, away from the fixed base, of the framework, and the coil is pressed on the framework through the cover plate;

the fixing base comprises a heat conduction platform, a heat dissipation platform, a connecting platform and a fixing platform which are sequentially arranged from top to bottom, the heat conduction platform, the heat dissipation platform, the connecting platform and the fixing platform are arranged in an integrated mode, a plurality of heat conduction grooves are formed in the heat conduction platform and the coil in a laminating mode, heat conduction copper sheets are embedded in the heat dissipation platform, the connecting platform is provided with a plurality of connecting pieces, the fixing platform is provided with a plurality of fixing blocks, and the connecting terminals are inserted into the fixing blocks.

The further improvement to above-mentioned scheme does, the skeleton includes the stand and is located the guard plate of stand both sides, the coil is around locating the stand, the head and the tail both ends of stand and guard plate link to each other with unable adjustment base and apron respectively.

The further improvement of the scheme is that the coil is a copper coil, and the outer diameter of the copper coil is coated with a protective film.

The further improvement to above-mentioned scheme does, connecting terminal is the contact pin setting, and it is provided with a plurality of groups and distributes in unable adjustment base both sides, and every group connecting terminal all links to each other with the coil.

The fixing base is located below the fixing platform and is connected with a lower reinforcing block, and bending portions are arranged on two sides of the lower reinforcing block and are attached to the heat conduction copper sheet.

The further improvement of the scheme is that the cover plate is provided with a slot, the protection plate is inserted into the slot, one side of the slot, corresponding to the coil, is provided with an insulating spacer ring, and the cover plate is separated from the coil by the insulating spacer ring.

The further improvement of the scheme is that the surface of the cover plate is clamped with an upper reinforcing block, and clamping parts are arranged on two sides of the upper reinforcing block to clamp and fix two sides of the cover plate.

The utility model has the advantages that:

1. the winding and fixing of the coil for the framework are arranged, so that the arrangement of the position of the coil is ensured, meanwhile, the fixing base is also arranged and is used for fixing and connecting the small transformer, so that the connecting terminal is arranged on the fixing base, the connecting terminal is conveniently connected with the coil, the use of conductive transformation is realized, and meanwhile, the cover plate is also arranged, so that the coil can be further pressed and fixed on the framework through the cover plate, and the fixing effect and the use stability are enhanced;

2. the heat conduction platform, the heat dissipation platform, the connecting platform and the fixing platform are sequentially arranged from top to bottom on the fixing base, and particularly the heat conduction platform is attached to the coil, so that heat can be effectively led out to the heat dissipation platform for heat dissipation, the integral heat dissipation effect can be effectively enhanced, and the heat dissipation effect is good;

3. the heat conduction platform, the heat dissipation platform, the connecting platform and the fixing platform are integrally formed, and then the heat conduction platform, the heat dissipation platform, the connecting platform and the fixing platform are directly formed in the manufacturing and production process, so that the forming is convenient, the whole structure is formed by adopting iron powder through die casting, the protection effect can be effectively played, and meanwhile, the insulating protection film layer is coated on the surface, so that the protection effect of the structure is enhanced, the integral texture is stronger, and the use is more stable;

4. a plurality of heat conduction grooves have been seted up with the coil laminating one side to the heat conduction platform, and the inside heat conduction copper sheet that inlays of heat dissipation platform is equipped with, and connection platform is provided with a plurality of connection pieces, and fixed platform is provided with a plurality of fixed blocks, and connecting terminal inserts and locates the fixed block, and overall structure is stable good in the in-service use, adopts the heat conduction copper sheet to conduct heat, and the heat conduction effect is good, has also strengthened the radiating effect simultaneously.

The utility model discloses in, it is big to have solved current small-size transformer calorific capacity, and the not enough problem of stability in use has adopted the integral type structure, has combined heat radiation structure's cooperation, can effectively strengthen overall structure's stability and radiating effect, and the radiating strength is high.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of another perspective of the present invention;

fig. 3 is a schematic view of the structure of the present invention.

Description of reference numerals: the small-sized transformer comprises a small-sized transformer 100, a framework 110, a vertical column 111, a protective plate 112, a coil 120, a fixing base 130, a heat conduction platform 131, a heat conduction groove 131a, a heat dissipation platform 132, a heat conduction copper sheet 132a, a connecting platform 133, a connecting sheet 133a, a fixing platform 134, a fixing block 134a, a lower reinforcing block 135, a connecting terminal 140, a cover plate 150, a slot 151, an insulation spacer 152 and an upper reinforcing block 153.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, a high-efficiency heat-dissipating and heat-conducting miniature transformer 100 includes a bobbin 110, a coil 120 wound around the bobbin 110, and a fixing base 130 connected to one end of the bobbin 110, where the fixing base 130 and the bobbin 110 are integrally formed, the fixing base 130 is inserted with a plurality of connecting terminals 140, the connecting terminals 140 are all connected to the coil 120, a cover plate 150 is disposed at one end of the bobbin 110 away from the fixing base 130, and the cover plate 150 presses the coil 120 on the bobbin 110; unable adjustment base 130 is including heat conduction platform 131, heat dissipation platform 132, connection platform 133 and the fixed platform 134 that from top to bottom sets gradually, heat conduction platform 131, heat dissipation platform 132, connection platform 133 and fixed platform 134 set up for integrated into one piece, a plurality of heat conduction grooves 131a have been seted up to heat conduction platform 131 and coil 120 laminating one side, heat conduction platform 132 inside inlays and is equipped with heat conduction copper sheet 132a, connection platform 133 is provided with a plurality of connection pieces 133a, fixed platform 134 is provided with a plurality of fixed blocks 134a, connecting terminal 140 inserts and locates fixed block 134 a.

Skeleton 110 includes stand 111 and the guard plate 112 that is located stand 111 both sides, coil 120 is around locating stand 111, stand 111 and guard plate 112's head and the tail both ends link to each other with unable adjustment base 130 and apron 150 respectively, specifically are used for coil 120 through stand 111 to establish fixedly around, play the guard action to coil 120 both sides through guard plate 112, strengthen the security of whole use.

The coil 120 is a copper coil 120, the outer diameter of which is covered with a protective film 121, and the protective film 121 plays an insulating and protecting role, thereby enhancing the use stability and reliability of the whole structure.

Connecting terminal 140 is the contact pin setting, and it is provided with a plurality of groups and distributes in unable adjustment base 130 both sides, and every group connecting terminal 140 all links to each other with coil 120 and adopts the contact pin formula terminal connection, makes things convenient for holistic connection installation to use, simple structure, and the practicality is strong.

The fixing base 130 is connected with a lower reinforcing block 135 below the fixing platform 134, two sides of the lower reinforcing block 135 are provided with bending portions to be attached to the heat-conducting copper sheets 132a, and the lower reinforcing block 135 can enhance the heat dissipation effect of the heat-conducting copper sheets 132a, so that the use stability is ensured.

The cover plate 150 is provided with a slot 151, the protection plate 112 is inserted into the slot 151, an insulating spacer ring 152 is arranged on one surface of the slot 151 corresponding to the coil 120, the insulating spacer ring 152 separates the cover plate 150 from the coil 120, the improvement is that an upper reinforcing block 153 is clamped on the surface of the cover plate 150, clamping parts are arranged on two sides of the upper reinforcing block 153 to clamp and fix two sides of the cover plate 150, the cover plate 150 is fixedly installed through the upper reinforcing block 153, and the stability and the reliability of installation are further enhanced.

On the first hand, the bobbin 110 is provided with the coil 120 which is wound and fixed, so that the position of the coil 120 is ensured, meanwhile, the fixing base 130 is also provided, the fixing base 130 is used for fixing and connecting the miniature transformer 100, so that the connecting terminal 140 is arranged on the fixing base 130, the connecting terminal 140 is conveniently connected with the coil 120, the conductive transformation is realized, meanwhile, the cover plate 150 is also provided, the coil 120 can be further pressed and fixed on the bobbin 110 through the cover plate 150, and the fixing effect and the use stability are enhanced; in the second aspect, the heat conducting platform 131, the heat dissipating platform 132, the connecting platform 133 and the fixing platform 134 are sequentially arranged on the fixing base 130 from top to bottom, specifically, the heat conducting platform 131 is attached to the coil 120, so that heat can be effectively conducted to the heat dissipating platform 132 for heat dissipation, the overall heat dissipating effect can be effectively enhanced, and the heat dissipating effect is good; in the third aspect, the heat conducting platform 131, the heat dissipating platform 132, the connecting platform 133 and the fixing platform 134 are integrally formed, and then directly formed in the manufacturing process, so that the forming is convenient, the whole structure is formed by iron powder die casting, so that the protection effect can be effectively achieved, and meanwhile, the insulating protection film layer is coated on the surface, so that the protection effect of the structure is enhanced, the whole texture is stronger, and the use is more stable; in the fourth aspect, a plurality of heat conducting grooves 131a are formed in one side, which is attached to the coil 120, of the heat conducting platform 131, a heat conducting copper sheet 132a is embedded in the heat radiating platform 132, a plurality of connecting pieces 133a are arranged on the connecting platform 133, a plurality of fixing blocks 134a are arranged on the fixing platform 134, the connecting terminals 140 are inserted in the fixing blocks 134a, the overall structure is good in stability in the actual use process, heat is conducted through the heat conducting copper sheet 132a, the heat conducting effect is good, and meanwhile the heat radiating effect is also enhanced.

The utility model discloses in, it is big to have solved current small-size transformer 100 calorific capacity, and the not enough problem of stability in use has adopted the integral type structure, has combined heat radiation structure's cooperation, can effectively strengthen overall structure's stability and radiating effect, and the radiating strength is high.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a small-size transformer of high-efficient heat dissipation heat conduction which characterized in that: the coil fixing device comprises a framework, a coil wound on the framework and a fixing base connected with one end of the framework, wherein the fixing base and the framework are integrally formed, a plurality of connecting terminals are inserted into the fixing base and are all connected with the coil, a cover plate is arranged at one end of the framework, which is far away from the fixing base, and the coil is pressed on the framework through the cover plate;

2. The small-sized transformer with high heat dissipation and heat conduction as claimed in claim 1, wherein: the skeleton includes stand and the guard plate that is located the stand both sides, the coil is around locating the stand, the head and the tail both ends of stand and guard plate link to each other with unable adjustment base and apron respectively.

3. The small-sized transformer with high heat dissipation and heat conduction as claimed in claim 2, wherein: the coil is a copper coil, and the outer diameter of the copper coil is coated with a protective film.

4. A small-sized transformer with high efficiency of heat dissipation and heat conduction as claimed in claim 3, wherein: connecting terminal is the contact pin setting, and it is provided with a plurality of groups and distributes in unable adjustment base both sides, and every group connecting terminal all links to each other with the coil.

5. The small-sized transformer with high heat dissipation and heat conduction as claimed in claim 4, wherein: the fixing base is located below the fixing platform and is connected with a lower reinforcing block, and bending portions are arranged on two sides of the lower reinforcing block and are attached to the heat conduction copper sheets.

6. The small-sized transformer with high heat dissipation and heat conduction as claimed in claim 5, wherein: the coil protection device is characterized in that the cover plate is provided with a slot, the protection plate is inserted into the slot, one side of the slot, corresponding to the coil, is provided with an insulating spacer ring, and the insulating spacer ring separates the cover plate from the coil.

7. The small-sized transformer with high heat dissipation and heat conduction as claimed in claim 6, wherein: the surface of the cover plate is clamped with an upper reinforcing block, and clamping parts are arranged on two sides of the upper reinforcing block to clamp and fix two sides of the cover plate.