CN211699902U - Paint dipping low-frequency transformer with flame-retardant layer - Google Patents
Paint dipping low-frequency transformer with flame-retardant layer Download PDFInfo
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- CN211699902U CN211699902U CN202020629011.7U CN202020629011U CN211699902U CN 211699902 U CN211699902 U CN 211699902U CN 202020629011 U CN202020629011 U CN 202020629011U CN 211699902 U CN211699902 U CN 211699902U
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Abstract
The utility model discloses a paint dipping low frequency transformer with fire-retardant layer belongs to transformer structure field, including transformer main part and magnetic core, the welding has two installation frames, two on transformer main part's the inner wall a side surface of installation frame all is equipped with the spacer, the magnetic core passes through the spacer to be fixed between two installation frames, two primary all fixes between two installation frames through the spacer, and two primary is connected, two with the both ends laminating of magnetic core respectively secondary all fixes between two installation frames through the spacer, and two secondary is connected with a side surface laminating of two primary respectively. The utility model discloses optimize the inner structure to the transformer main part, be equipped with insulating layer, fire-retardant layer and insulating layer on the installation frame in order to carry out effective fire-retardant insulation protection to the magnetic core part, can accomplish the fire-retardant work of multilayer to low frequency transformer through this kind of structure.
Description
Technical Field
The utility model relates to a transformer structure field specifically is a have fire-retardant layer dip coating low frequency transformer.
Background
The low-frequency transformer is used for transmitting signal voltage and signal power, can also realize impedance matching between circuits, and has an isolation effect on direct current. High frequency transformers are in principle not distinguished from low frequency transformers. However, the iron core used for the transformer is different due to the difference between the high frequency and the low frequency. Low frequency transformers generally use high permeability silicon steel sheets, while high frequency transformers use high frequency ferrite cores.
Common low frequency transformer structure is comparatively single, and whole protecting effect is not good enough, and whole flame retardant efficiency is relatively poor when the unexpected condition takes place, can cause comparatively serious damage, and has certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a have fire-retardant layer dip coating low frequency transformer optimizes the inner structure of transformer main part, is equipped with insulating layer, fire-retardant layer and insulating layer in order to carry out effective fire-retardant insulation protection to the magnetic core part on the installation frame, can accomplish the fire-retardant work of multilayer to low frequency transformer through this kind of structure.
The utility model provides a following technical scheme: a paint dipping low-frequency transformer with a flame-retardant layer comprises a transformer main body, a magnetic core, two primary coils and two secondary coils, wherein two installation frames are welded on the inner wall of the transformer main body, positioning sheets are arranged on one side surfaces of the two installation frames, the magnetic core is fixed between the two installation frames through the positioning sheets, the two primary coils are respectively attached and connected with two ends of the magnetic core, the two secondary coils are fixed between the two installation frames through the positioning sheets, and the two secondary coils are respectively attached and connected with one side surfaces of the two primary coils,
the installation frame includes first shell, second shell, be equipped with the insulating layer between first shell and the second shell, the surface of second shell is equipped with fire-retardant layer, the fixed plate is evenly installed in proper order through the screw in the surface of second shell, it has fire-retardant filler to fill between fixed plate and the second shell.
Preferably, the heat insulation layer is formed by laying and bonding glass wool materials, and the heat insulation layer is in contact with the inner walls of the first shell and the second shell.
Preferably, the surface of the first shell is provided with an insulating layer, and the insulating layer is an integrated structure formed by laying and bonding insulating silicone grease materials.
Preferably, the flame-retardant filler is an integrated structure filled with high-temperature-resistant fiber materials.
Preferably, the bottom welding of transformer main part has two installation pieces, two evenly inlayed the stitch in proper order in the surface of installation piece.
Preferably, the transformer body is evenly welded with mounting plates on the inner walls of the two sides in sequence, and one side surface of each mounting plate is in contact with one end of each fixing plate.
The utility model discloses a technological effect and advantage:
the utility model discloses an inner structure to transformer main part optimizes, come to provide protection and fixed to overall structure through installation frame cooperation fixed plate, be equipped with the insulating layer on the installation frame, fire-retardant layer and insulating layer are in order to carry out effective fire-retardant insulation protection to the magnetic core part, and be equipped with the fixed plate between one side of installation frame and transformer main part inner wall, can strengthen overall structure's intensity, improve whole crushing resistance and security, can accomplish the fire-retardant work of multilayer to low frequency transformer through this kind of structure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of part A of FIG. 1;
fig. 3 is the schematic view of the mounting frame structure of the present invention.
Description of reference numerals: 1. a transformer body; 2. a mounting frame; 21. a first housing; 22. a second housing; 23. a thermal insulation layer; 24. an insulating layer; 25. a flame retardant layer; 3. positioning plates; 4. a magnetic core; 5. a primary coil; 6. a secondary coil; 7. a fixing plate; 8. mounting a plate; 9. a flame retardant filler; 10. mounting blocks; 11. and (4) stitching.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a paint dipping low-frequency transformer with flame retardant layer as shown in figures 1-3, which comprises a transformer body 1, a magnetic core 4, two primary coils 5 and two secondary coils 6, wherein two mounting frames 2 are welded on the inner wall of the transformer body 1, one side surfaces of the two mounting frames 2 are respectively provided with a positioning sheet 3, the magnetic core 4 is fixed between the two mounting frames 2 through the positioning sheet 3, the two primary coils 5 are respectively connected with two ends of the magnetic core 4 in an attaching way, the two secondary coils 6 are fixed between the two mounting frames 2 through the positioning sheet 3, and the two secondary coils 6 are respectively connected with one side surfaces of the two primary coils 5 in an attaching way,
the mounting frame 2 comprises a first shell 21 and a second shell 22, a heat insulation layer 23 is arranged between the first shell 21 and the second shell 22, the heat insulation layer 23 is formed by laying and bonding glass wool materials, the heat insulation layer 23 is in contact with the inner walls of the first shell 21 and the second shell 22, the heat insulation performance of the mounting frame 2 is ensured through the glass wool, and the flame retardant effect is improved; the surface of second shell 22 is equipped with fire-retardant layer 25, and fixed plate 7 is evenly installed in proper order through the screw in the surface of second shell 22, has fire-retardant filler 9 between fixed plate 7 and the second shell 22, and fire-retardant filler 9 is the integrated structure that high temperature resistant fiber material filled and forms, has good flame retardant efficiency, can play abundant guard action.
Evenly weld in proper order on the both sides inner wall of transformer main part 1 has mounting panel 8, a side surface of mounting panel 8 respectively with the one end contact of fixed plate 7 for form bearing structure between mounting panel 8 and the fixed plate 7, can effectively improve the bulk strength, ensure the security, leave certain headspace simultaneously and can ensure inside flame retardant efficiency, avoid burning too fast.
The surface of the first shell 21 is provided with an insulating layer 24, and the insulating layer 24 is an integrated structure formed by laying and bonding insulating silicone grease materials, has a good insulating effect, and can provide effective protection for the internal magnetic core 4; two installation blocks 10 are welded at the bottom of the transformer main body 1, and pins 11 are sequentially and uniformly embedded on the surfaces of the two installation blocks 10. And a complete transformer structure is formed, so that subsequent assembly work is facilitated.
The working principle is that two installation frames 2 are arranged in a transformer main body 1, an insulation layer 24 formed by laying and bonding insulating silicone grease materials is arranged on a first shell 21 on the two installation frames 2, a flame-retardant layer 25 formed by spraying fireproof paint is arranged on a second shell 22 on the two installation frames 2, and a heat-insulating layer 23 formed by laying glass wool materials is filled between the first shell 21 and the second shell 22. By this structure, a sufficient shielding effect is provided to the inner core 4 portion. Not only can play fire-retardant thermal-insulated effect, can provide certain insulating nature simultaneously, prevent that inside magnetic core 4, primary coil 5 and secondary coil 6 electric leakage from producing the potential safety hazard.
Still evenly be equipped with fixed plate 7 in proper order on two installation frames 2, make the one end of fixed plate 7 and the contact of 1 inner wall of transformer main part, and it has fire-retardant filler 9 to fill between fixed plate 7 and second shell 22, fire-retardant filler 9 is the integrated structure that high temperature resistant fiber material filled and forms, the resistance to compression impact force effect of transformer main part 1 is reinforceed through this kind of structure, ensure the bulk strength, can leave certain headspace simultaneously and can ensure inside flame retardant efficiency, avoid burning too fast. The multilayer flame-retardant work of the low-frequency transformer can be completed through the structure.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A paint-dipped low-frequency transformer with a flame-retardant layer comprises a transformer main body (1), a magnetic core (4), two primary coils (5) and two secondary coils (6), and is characterized in that: the transformer comprises a transformer main body (1), wherein two installation frames (2) are welded on the inner wall of the transformer main body (1), positioning sheets (3) are arranged on one side surfaces of the two installation frames (2), a magnetic core (4) is fixed between the two installation frames (2) through the positioning sheets (3), the two primary coils (5) are respectively attached to two ends of the magnetic core (4), the two secondary coils (6) are fixed between the two installation frames (2) through the positioning sheets (3), and the two secondary coils (6) are respectively attached to one side surfaces of the two primary coils (5),
the mounting frame (2) comprises a first shell (21) and a second shell (22), a heat insulation layer (23) is arranged between the first shell (21) and the second shell (22), a flame-retardant layer (25) is arranged on the surface of the second shell (22), a fixing plate (7) is sequentially and uniformly installed on the surface of the second shell (22) through screws, and flame-retardant filler (9) is filled between the fixing plate (7) and the second shell (22).
2. The paint-dipped low-frequency transformer with the flame-retardant layer as claimed in claim 1, wherein: the heat insulation layer (23) is formed by laying and bonding glass wool materials, and the heat insulation layer (23) is in contact with the inner walls of the first shell (21) and the second shell (22).
3. The paint-dipped low-frequency transformer with the flame-retardant layer as claimed in claim 1, wherein: the surface of the first shell (21) is provided with an insulating layer (24), and the insulating layer (24) is an integrated structure formed by laying and bonding insulating silicone grease materials.
4. The paint-dipped low-frequency transformer with the flame-retardant layer as claimed in claim 1, wherein: the flame-retardant filler (9) is an integrated structure filled with high-temperature-resistant fiber materials.
5. The paint-dipped low-frequency transformer with the flame-retardant layer as claimed in claim 1, wherein: the bottom welding of transformer main part (1) has two installation pieces (10), two stitch (11) have evenly been inlayed in proper order on the surface of installation piece (10).
6. The paint-dipped low-frequency transformer with the flame-retardant layer as claimed in claim 1, wherein: evenly weld in proper order on the both sides inner wall of transformer main part (1) has mounting panel (8), a side surface of mounting panel (8) contacts with the one end of fixed plate (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629011.7U CN211699902U (en) | 2020-04-23 | 2020-04-23 | Paint dipping low-frequency transformer with flame-retardant layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629011.7U CN211699902U (en) | 2020-04-23 | 2020-04-23 | Paint dipping low-frequency transformer with flame-retardant layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211699902U true CN211699902U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020629011.7U Active CN211699902U (en) | 2020-04-23 | 2020-04-23 | Paint dipping low-frequency transformer with flame-retardant layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211699902U (en) |
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2020
- 2020-04-23 CN CN202020629011.7U patent/CN211699902U/en active Active
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