CN216698062U - Novel transformer framework capable of being provided with fuse - Google Patents
Novel transformer framework capable of being provided with fuse Download PDFInfo
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- CN216698062U CN216698062U CN202123058785.2U CN202123058785U CN216698062U CN 216698062 U CN216698062 U CN 216698062U CN 202123058785 U CN202123058785 U CN 202123058785U CN 216698062 U CN216698062 U CN 216698062U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a novel transformer framework capable of containing fuses, which comprises a double-pit rubber core, wherein a middle wall, a primary wall and a secondary wall are formed on the upper side and the lower side of the middle wall, a primary winding pit for winding a primary copper wire winding is formed between the primary wall and the middle wall, a secondary winding pit for winding a secondary copper wire winding is formed between the secondary wall and the middle wall, a mounting hole for mounting fuses is formed in the double-pit rubber core, the mounting hole is positioned on one side of the primary wall, a rubber sleeve is arranged on the double-pit rubber core, and the rubber sleeve also covers the primary winding to wrap the primary copper wire winding wound in the primary winding pit; and the rubber sleeve also covers the mounting hole. The utility model simplifies the assembly steps of the whole transformer framework, improves the production efficiency, is convenient for automatic production and has strong market competitiveness.
Description
The technical field is as follows:
the utility model relates to the technical field of transformers, in particular to a novel transformer framework capable of being provided with fuses.
Background art:
a Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary copper wire winding, a secondary copper wire winding, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).
With the increase of labor cost, intelligent manufacturing will be called out! The traditional transformer manufacturing process is relatively complex, and the following obstacles mainly exist in the realization of automatic production: firstly, in order to meet the requirement of safe creepage distance between a fuse pin and a primary winding, the fuse needs to be subjected to insulation processing, and when the fuse subjected to insulation processing is placed in the middle of the primary winding or on the surface of the primary winding, the fuse needs to be fixed by using insulating gummed paper; and secondly, the safe creepage distance between the primary winding and the secondary winding and between the silicon steel sheets can be met only by pasting the insulating gummed paper on the middle wall and the primary wall of the primary winding pit. Resulting in complicated production and low efficiency.
In view of this, the present inventors propose the following optimization scheme.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provides a novel transformer framework capable of being provided with fuses.
In order to solve the technical problems, the utility model adopts the following technical scheme: the novel transformer framework capable of containing the fuse comprises a double-pit rubber core, wherein a middle wall, a primary wall and a secondary wall are formed on the upper side and the lower side of the middle wall, a primary winding pit for winding a primary copper wire winding is formed between the primary wall and the middle wall, and a secondary winding pit for winding a secondary copper wire winding is formed between the secondary wall and the middle wall; the double-pit rubber core is provided with a mounting hole for mounting a fuse, the mounting hole is positioned on one side of the primary wall, the double-pit rubber core is provided with a rubber sleeve, the rubber sleeve also covers the primary winding pit to wrap the primary copper wire winding wound in the primary winding pit, and the rubber sleeve also covers the mounting hole.
Furthermore, in the above technical solution, the periphery of the middle wall is provided with an occlusion groove, a flange is formed on the inner side of the rubber sleeve and is engaged with the occlusion groove, and an occlusion barb is formed on the rear side of the flange, the rubber sleeve is sleeved backwards along the occlusion groove of the double-pit rubber core middle wall, the occlusion barb slides to the rear end of the middle wall along the occlusion groove and is engaged and positioned with the rear end of the occlusion groove, and the flange is embedded into the occlusion groove.
Further, in the above technical scheme, both sides of the primary wall are provided with buckles; the rubber sleeve is provided with a clamping groove matched with the buckle, and the buckle is inserted into the clamping groove.
Furthermore, in the above technical scheme, the double-pit rubber core is provided with an installation position which penetrates through the upper end surface and the lower end surface and is used for loading silicon steel sheets, and the installation position is located beside the installation position.
Further, among the above-mentioned technical scheme, two pit rubber cores still are provided with two first mounting grooves that are used for supplying elementary participating in the cartridge, and this first mounting groove is located the mounting hole side.
Furthermore, in the above technical scheme, a fixing reverse buckle for fixing the double-pit rubber core in the plug-in manner with the PCB is formed on the lower end surface of the double-pit rubber core.
Further, in the above technical solution, the primary wall and the secondary wall are respectively provided with a plurality of primary wire outlet grooves and a plurality of secondary wire outlet grooves through which the wire ends of the primary copper wire winding and the secondary copper wire winding pass, and the bottom of the primary wire outlet groove and the bottom of the secondary wire outlet groove respectively extend to the bottom of the primary winding pit and the bottom of the secondary winding pit.
After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the rubber sleeve is additionally arranged on the double-pit rubber core and wraps the primary copper wire winding wound in the primary winding pit, so that the silicon steel sheet is separated from the primary copper wire winding, and the periphery of the primary copper wire winding is not required to be wrapped with insulating adhesive paper; meanwhile, the creepage distance between the primary copper wire winding and the secondary copper wire winding can be increased, so that the safe creepage distance between the primary copper wire winding and the secondary copper wire winding can be met without pasting the insulating gummed paper on the middle wall and the primary wall of the primary winding pit, and the step of pasting the insulating gummed paper is omitted; in addition, the double-pit rubber core is additionally provided with the mounting hole, the fuse can be directly installed in the mounting hole, and the steps of insulating processing of the fuse and fixing by using insulating adhesive paper during installation are omitted; therefore, the utility model simplifies the assembly steps of the whole transformer framework, improves the production efficiency, is convenient for automatic production and has strong market competitiveness.
Description of the drawings:
FIG. 1 is a perspective view of a dual-well cement core of the present invention;
FIG. 2 is a perspective view of the dual hole gum center of the present invention from another perspective;
FIG. 3 is a left side view of the dual hole gum center of the present invention;
FIG. 4 is a perspective view of the gum cover of the present invention;
FIG. 5 is a front view of the gum cover of the present invention;
fig. 6 is a perspective view of the present invention.
The specific implementation mode is as follows:
the utility model is further illustrated below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1-6, the transformer framework includes a dual-pit plastic core 1, the dual-pit plastic core 1 is formed with a middle wall 11, and a primary wall 12 and a secondary wall 13 located at the upper and lower sides of the middle wall 11, a primary winding pit 14 for winding a primary copper wire winding is formed between the primary wall 12 and the middle wall 11, and a secondary winding pit 15 for winding a secondary copper wire winding is formed between the secondary wall 13 and the middle wall 11; the double-pit rubber core 1 is provided with a mounting hole 122 for mounting a fuse, the mounting hole 122 is positioned on one side of the primary wall 12, the double-pit rubber core 1 is provided with a rubber sleeve 2, the rubber sleeve 2 further covers the primary winding pit 14 to wrap a primary copper wire winding wound in the primary winding pit 14, and the rubber sleeve 2 further covers the mounting hole 122. According to the utility model, the double-pit rubber core 1 is additionally provided with the rubber sleeve 2, and the rubber sleeve 2 wraps the primary copper wire winding wound in the primary winding pit 14, so that a silicon steel sheet is separated from the primary copper wire winding, and the periphery of the primary copper wire winding is not required to be wrapped with insulating gummed paper; meanwhile, the creepage distance between the primary copper wire winding and the secondary copper wire winding can be increased, so that the safe creepage distance between the primary copper wire winding and the secondary copper wire winding can be met without pasting the insulating gummed paper on the middle wall and the primary wall of the primary winding pit, and the step of pasting the insulating gummed paper is omitted; in addition, the double-pit rubber core 1 is additionally provided with the mounting hole 122, the fuse can be directly installed in the mounting hole 122, and the steps of insulating processing and fixing the fuse by using insulating adhesive paper during installation are omitted; therefore, the utility model simplifies the assembly steps of the whole transformer framework, improves the production efficiency, is convenient for automatic production and has strong market competitiveness.
The periphery of the middle wall 11 is provided with an occlusion groove 111, the inner side of the rubber sleeve 2 is formed with a flange 20 which is matched with the occlusion groove 111, the rear side of the flange 20 is formed with an occlusion barb 21, the rubber sleeve 2 is sleeved backwards along the occlusion groove 111 of the middle wall 11 of the double-pit rubber core 1, the occlusion barb 21 slides to the rear end of the middle wall 11 along the occlusion groove 111 and is locked and positioned with the rear end of the occlusion groove 111, and the flange 20 is embedded into the occlusion groove 111.
Both sides of the primary wall 12 are provided with buckles 120; the rubber sleeve 2 is provided with a clamping groove 22 matched with the buckle 120, and the buckle 120 is inserted into the clamping groove 22.
The double-pit rubber core 1 is provided with a mounting position 10 which penetrates through the upper end face and the lower end face and is used for loading silicon steel sheets, the mounting hole 122 is located beside the mounting position 10, so that a fuse installed in the mounting hole 122 can be close to the silicon steel sheets loaded in the mounting position 10, on one hand, the upper surface of the fuse can feel the temperature from a primary copper wire winding, and the lower surface of the fuse can feel the temperature from the silicon steel sheets.
The double-pit rubber core 1 is further provided with two first mounting grooves 123 for primary plug pins to be inserted, and the first mounting grooves 123 are located beside the mounting holes 122. The primary pin can be directly inserted into the first mounting groove 123 for fixing and connected with the initial and final copper wires of the primary copper wire winding or the fuse pin stranded wire, so that the complex process that the primary pin is connected with the initial and final copper wires of the primary winding or the fuse pin stranded wire by a transition lead wire in the traditional method can be avoided, and the labor and the materials are saved.
And a fixed reverse buckle 16 used for being fixedly inserted with a PCB is formed on the lower end surface of the double-pit rubber core 1. During the equipment, two buckle holes are opened to the PCB board, aim at two buckle holes of PCB two fixed back-off 16 cards that the core 1 was glued to the two pits and go into can fix, have solved the difficult fixed problem of traditional way PCB board.
The wire outlet groove of the framework in the traditional transformer is not deep to the bottom of the winding pit of the framework, so that the crossing of the initial copper wire of the same winding and the copper wire of the same winding can be caused, and the crossing problem of the copper wire of the same winding can be solved only by sticking insulating gummed paper on the initial copper wire. In this regard, the present invention makes the following improvements: the primary wall 12 and the secondary wall 13 are respectively provided with a plurality of primary outlet grooves 121 and secondary outlet grooves 131 for the wire ends of the primary copper wire winding and the secondary copper wire winding to pass through, and the bottom parts of the primary outlet grooves 121 and the secondary outlet grooves 131 respectively extend to the bottoms of the primary winding pit 14 and the secondary winding pit 15, so that the crossing problem of the initial copper wire and the winding copper wire can be solved, and the insulating gummed paper at the initial copper wire is saved.
In summary, the double-pit rubber core 1 is additionally provided with the rubber sleeve 2, and the rubber sleeve 2 wraps the primary copper wire winding wound in the primary winding pit 14, so that the silicon steel sheet is separated from the primary copper wire winding, and the periphery of the primary copper wire winding is not required to be wrapped with insulating adhesive paper; meanwhile, the creepage distance between the primary copper wire winding and the secondary copper wire winding can be increased, so that the safe creepage distance between the primary copper wire winding and the secondary copper wire winding can be met without pasting the insulating gummed paper on the middle wall and the primary wall of the primary winding pit, and the step of pasting the insulating gummed paper is omitted; in addition, the double-pit rubber core 1 is additionally provided with the mounting hole 122, the fuse can be directly installed in the mounting hole 122, and the steps of insulating processing and fixing the fuse by using insulating adhesive paper during installation are omitted; therefore, the utility model simplifies the assembly steps of the whole transformer framework, improves the production efficiency, is convenient for automatic production and has strong market competitiveness.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (7)
1. A novel transformer framework capable of containing fuses comprises a double-pit rubber core (1), wherein a middle wall (11), a primary wall (12) and a secondary wall (13) are formed on the upper side and the lower side of the middle wall (11) of the double-pit rubber core (1), a primary winding pit (14) for winding a primary copper wire winding is formed between the primary wall (12) and the middle wall (11), a secondary winding pit (15) for winding a secondary copper wire winding is formed between the secondary wall (13) and the middle wall (11),
the method is characterized in that: the double-pit rubber core (1) is provided with a mounting hole (122) for mounting a fuse, and the mounting hole (122) is positioned on one side of the primary wall (12); the double-pit rubber core (1) is provided with a rubber sleeve (2), and the rubber sleeve (2) also covers the primary winding pit (14) to wrap a primary copper wire winding wound in the primary winding pit (14); and the rubber sleeve (2) also covers the mounting hole (122).
2. The novel transformer framework with the fuse as claimed in claim 1, wherein: the middle wall (11) is provided with an occlusion groove (111) at the periphery, a flange (20) matched with the occlusion groove (111) is formed on the inner side of the rubber sleeve (2), an occlusion barb (21) is formed on the rear side of the flange (20), the rubber sleeve (2) is sleeved backwards along the occlusion groove (111) of the middle wall (11) of the double-pit rubber core (1), the occlusion barb (21) slides to the rear end of the middle wall (11) along the occlusion groove (111) and is buckled and positioned with the rear end of the occlusion groove (111), and the flange (20) is embedded into the occlusion groove (111).
3. The novel transformer framework with the fuse as claimed in claim 2, wherein: both sides of the primary wall (12) are provided with buckles (120); the rubber sleeve (2) is provided with a clamping groove (22) matched with the buckle (120), and the buckle (120) enters the clamping groove (22).
4. A novel fusible transformer bobbin as claimed in any one of claims 1 to 3, wherein: the double-pit rubber core (1) is provided with an installation position (10) which penetrates through the upper end face and the lower end face and is used for loading silicon steel sheets, and the installation hole (122) is located on the side of the installation position (10).
5. The novel transformer framework with the fuse capable of being installed according to claim 4, wherein the transformer framework is characterized in that: the double-pit rubber core (1) is further provided with two first mounting grooves (123) for primary plug pins to be inserted, and the first mounting grooves (123) are located beside the mounting holes (122).
6. A fuseable new transformer bobbin according to any one of claims 1-3, wherein: and a fixed reverse buckle (16) which is used for being fixedly inserted with the PCB is formed on the lower end surface of the double-pit rubber core (1).
7. A fuseable new transformer bobbin according to any one of claims 1-3, wherein: the primary wall (12) and the secondary wall (13) are respectively provided with a plurality of primary outlet grooves (121) and secondary outlet grooves (131) for leading ends of the primary copper wire winding and the secondary copper wire winding to pass through, and the bottoms of the primary outlet grooves (121) and the secondary outlet grooves (131) respectively extend to the bottoms of the primary winding pit (14) and the secondary winding pit (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123058785.2U CN216698062U (en) | 2021-12-07 | 2021-12-07 | Novel transformer framework capable of being provided with fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123058785.2U CN216698062U (en) | 2021-12-07 | 2021-12-07 | Novel transformer framework capable of being provided with fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216698062U true CN216698062U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123058785.2U Active CN216698062U (en) | 2021-12-07 | 2021-12-07 | Novel transformer framework capable of being provided with fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216698062U (en) |
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2021
- 2021-12-07 CN CN202123058785.2U patent/CN216698062U/en active Active
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