CN214152614U - Transformer with high insulativity - Google Patents

Transformer with high insulativity Download PDF

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Publication number
CN214152614U
CN214152614U CN202120042877.2U CN202120042877U CN214152614U CN 214152614 U CN214152614 U CN 214152614U CN 202120042877 U CN202120042877 U CN 202120042877U CN 214152614 U CN214152614 U CN 214152614U
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China
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iron core
coil
protective housing
transformer
skeleton
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CN202120042877.2U
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Chinese (zh)
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黄相程
黄士桓
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Shenzhen Yudu Lighting Co ltd
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Shenzhen Yudu Lighting Co ltd
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Abstract

The utility model relates to a transformer that insulating nature is strong, it includes skeleton, winding and reaches the iron core with coil pack registrate at the coil pack of skeleton, through the pin that wire and coil pack are connected, still includes the protective housing of protection iron core, skeleton, coil pack and iron core are fixed in the protective housing inner chamber, the protective housing is provided with a plurality of openings. This application has the insulating nature of protective housing reinforcing transformer, reduces the influence each other between transformer and the external environment, lets transformer job stabilization, and the opening setting of protective housing is keeping away from outside motor and with electrical apparatus one end, under the circumstances that does not influence insulating nature, increases radiating efficiency's effect.

Description

Transformer with high insulativity
Technical Field
The application relates to the field of transformation equipment, in particular to a transformer with strong insulativity.
Background
The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and comprises a coil assembly for changing exchange current, a framework wound by the coil assembly and an iron core for reinforcing magnetic coupling of the coil assembly. When the exchange current passes through the coil assembly, the voltage of the exchange current is changed, so that the purpose of voltage transformation is achieved. The main functions of the transformer are: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.
At present, transformers are often installed close to places where voltage and current are high and often in contact with adjacent voltage and current.
In view of the above-mentioned related art, the inventor believes that the insulation of the transformer is poor, the external current easily affects the transformer to cause the transformer to be damaged, and the current in the transformer easily affects the external electrical equipment.
SUMMERY OF THE UTILITY MODEL
In order to strengthen the insulating property of transformer, reduce external current and influence the transformer, this application provides a transformer that insulating property is strong.
The application provides a transformer that insulating nature is strong adopts following technical scheme:
the utility model provides a transformer that insulating nature is strong, includes skeleton, winding coil pack at the skeleton, the pin of being connected through wire and coil pack and the iron core with coil pack registrate, still includes the protective housing of protection iron core, skeleton, coil pack and iron core are fixed in the protective housing inner chamber, the protective housing is provided with a plurality of openings.
Through adopting above-mentioned technical scheme, the insulating nature of protective housing reinforcing transformer reduces the mutual influence between transformer and the external environment, lets transformer job stabilization, and the opening setting of protective housing is keeping away from outside motor and with electrical apparatus one end, under the circumstances that does not influence insulating nature, increases the radiating efficiency.
Optionally, the coil assembly includes an inner coil wound around the bobbin and an outer coil wound around an outer side wall of the inner coil, and a first insulating tape located between the inner coil and the outer coil is disposed on an outer side wall of the inner coil.
Through adopting above-mentioned technical scheme, first insulation adhesive tape reduces the interact of inside and outside coil with interior coil and the separation of outer coil, and the outer coil twines the inside coil, under the condition that does not change the transformer effect, reduces the volume of transformer, saves space.
Optionally, the outer side wall of the outer coil is provided with a second insulating tape for increasing insulativity.
Through adopting above-mentioned technical scheme, the second insulating tape increases coil pack's insulating nature, makes transformer job stabilization.
Optionally, both sides wall that the protective housing inner chamber kept away from each other has all seted up the spacing groove, the iron core both ends are located adjacent spacing inslot respectively to the butt is in the spacing groove.
Through adopting above-mentioned technical scheme, to the position location of iron core and protective housing, be convenient for adhere the iron core in the protective housing, guarantee the relative position between iron core and the protective housing.
Optionally, the skeleton includes upper portion, winding portion and the lower part that from top to bottom connects gradually, lower part edge is fixed with a plurality of locating pieces, the protective housing is vertical and is provided with the location strip adjacent to the lateral wall department of spacing groove, the location strip has been seted up a plurality ofly and locating piece complex constant head tank.
Through adopting above-mentioned technical scheme, the locating piece is arranged in the constant head tank to the relative position to skeleton and protective housing is injectd, makes transformer work remain stable.
Optionally, the lower part is close to protective housing side opening one end and is fixed with a plurality of connecting blocks, the pin is connected in the connecting block, the connecting block lower extreme is fixed with a plurality of butt pieces that block coil pack's adjacent wire and contact each other, coil pack's wire butt in butt piece.
Through adopting above-mentioned technical scheme, the butt piece separates coil pack's adjacent wire to block adjacent wire and contact each other, thereby make transformer work remain stable.
Optionally, the connecting block is fixed with a clamping block, and the clamping block is provided with a clamping groove.
Through adopting above-mentioned technical scheme, coil pack's wire is located the joint inslot, is convenient for fix a position coil pack's wire position, increases coil pack's wire stability, makes coil pack and pin be connected stably.
Optionally, the pins are close to one end of the iron core and penetrate through the connecting block, a placing groove is formed in the bottom wall of the protective shell, the iron core is arranged in the placing groove, and one end of each pin, close to the iron core, abuts against the side wall of the placing groove.
Through adopting above-mentioned technical scheme, the pin is close to connecting block one end and is located the standing groove, both inject the pin position, can protect the wire junction of pin and coil pack again, makes the pin be connected stably with the coil pack.
Optionally, the side wall of the iron core is provided with a copper foil, and the side wall of the iron core provided with the copper foil is provided with a layer of third insulating adhesive tape.
Through adopting above-mentioned technical scheme, the third insulated rubberized fabric increases the insulating nature of iron core, is fixed in the iron core lateral wall with the copper foil simultaneously, is convenient for pass through the copper foil conduction with the electric current of iron core department to third insulated rubberized fabric, increases insulating nature.
Optionally, the outer side wall of the iron core is provided with a fourth insulating tape.
Through adopting above-mentioned technical scheme, the fourth insulating tape further increases the insulating nature of iron core.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the protective housing increases transformer insulativity, and the opening of protective housing is in and keeps away from external circuit and with electrical apparatus one end, under the condition that does not reduce transformer insulativity, promotes the radiating effect.
2. The second insulating tape, the third insulating tape and the fourth insulating tape further improve the insulating effect of the transformer.
3. The pin butt in the standing groove, the iron core butt in spacing groove, locating piece butt and constant head tank to inject the relative position of iron core, skeleton and protective housing, the iron core adhesion of being convenient for is accurate in the position of protective housing, makes the transformer during operation remain stable.
Drawings
Fig. 1 is a structural diagram of a transformer for exhibiting strong insulation according to an embodiment of the present application;
fig. 2 is an exploded view of a transformer with high insulation performance according to an embodiment of the present application;
FIG. 3 is a schematic view of an embodiment of the present application showing a lower portion;
fig. 4 is a schematic view showing a copper foil, a third insulating tape and a fourth insulating tape according to an embodiment of the present disclosure.
Description of reference numerals: 1. a framework; 11. a winding section; 12. an upper portion; 121. a joining block; 122. a fixed block; 123. a second abutment bar; 124. a third abutment bar; 125. a second abutment block; 13. a lower portion; 131. positioning blocks; 132. a clamping block; 133. connecting blocks; 134. a first abutment bar; 135. a support block; 136. a clamping groove; 137. a first abutment block; 2. an iron core; 21. feeding a core; 211. a first waist groove; 22. core setting; 221. a positioning column; 222. a second waist groove; 3. a coil assembly; 31. an outer coil; 311. a second insulating tape; 32. an inner coil; 321. a first insulating tape; 4. a protective shell; 41. a placement groove; 42. a limiting groove; 43. connecting grooves; 44. a positioning bar; 441. positioning a groove; 45. chiseling a vacant slot; 5. a pin; 6. copper foil; 7. a third insulating tape; 8. and a fourth insulating tape.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses transformer that insulating nature is strong has strong insulating effect, blocks in the external current inflow transformer.
Referring to fig. 1, including skeleton 1, coil pack 3, iron core 2 and protective housing 4, coil pack 3 twines on skeleton 1, and 1 both ends of skeleton are the opening setting, and protective housing 4 upper surface and adjacent to the lateral wall of upper surface are the opening setting, and protective housing 4 registrates iron core 2 and fixes through glue, increases the insulating nature of transformer through protective housing 4.
Referring to fig. 2, the iron core 2 includes an upper core 21 and a lower core 22, the upper core 21 is adhered to the lower core 22 by glue, a positioning column 221 is disposed on a side wall of the lower core 22 close to the upper core 21, the positioning column 221 penetrates through the framework 1 and fixes the upper core 21 by glue, and both the upper core 21 and the lower core 22 are abutted against the framework 1. Standing groove 41 has been seted up to 4 inner chamber diapalls of protective housing, spacing groove 42 has all been seted up adjacent to two open-ended lateral walls in protective housing 4, lower core 22 is arranged in on standing groove 41, the both sides wall butt respectively in spacing groove 42 that lower core 22 kept away from each other to iron core 2 location, both can guarantee that iron core 2 position is accurate, can also be convenient for iron core 2 adhesion in protective housing 4, protective housing 4 is vertical and has been adjacent to open-ended lateral wall and seted up chisel groove 45, be convenient for dispel the heat.
Referring to fig. 2 and 3, the bobbin 1 includes an upper portion 12, a winding portion 11, and a lower portion 13 integrally formed in sequence from top to bottom, and the winding portion 11 is disposed in a cylindrical shape, so as to facilitate winding of the coil assembly 3. 13 lower surface integrated into one piece in lower part has two locating pieces 131, lateral opening lateral wall has been kept away from to protective housing 4 has seted up connecting groove 43, connecting groove 43 keeps away from 4 lateral opening lateral wall integrated into one piece of protective housing has location strip 44, location strip 44 is the level setting, location strip 44 is close to 4 lateral opening lateral wall of protective housing and has seted up two constant head tanks 441, constant head tank 441 cooperates with locating piece 131 grafting, thereby inject skeleton 1 and protective housing 4's relative position, when being convenient for install, make the relative position who keeps skeleton 1 and iron core 2.
Referring to fig. 3, the supporting block 135 is integrally formed on the lower surface of the positioning block 131, and the supporting block 135 and the lower core 22 are in the same plane, so that the position stability of the iron core 2 is conveniently maintained, the iron core 2 cannot shake during installation to cause installation errors, and the contact area between the protective shell 4 and the framework 1 is increased, thereby increasing the insulation property.
Referring to fig. 3, two connecting blocks 133 are fixed on the side of the lower portion 13 away from the positioning block 131, a plurality of pins 5 are arranged on the connecting blocks 133, the pins 5 are connected with the coil assembly 3 through wires, one ends of the pins 5 penetrate through the connecting blocks 133 and are located below the connecting blocks 133, and one ends of the pins 5 close to the connecting blocks 133 abut against the placing grooves 41 during installation, so that the framework 1 is positioned. Two first abutting blocks 137 are fixed on the lower surface of the connecting block 133, and the wires of the coil assembly 3 abut against the first abutting blocks 137, so that the adjacent wires are separated, and the occurrence of short circuit caused by the contact of the adjacent wires is reduced.
Referring to fig. 3, the lower surface of the connecting block 133 is further integrally formed with a clamping block 132, the adjacent clamping block 132 is located at one side where the adjacent connecting block 133 is close to each other, a clamping groove 136 is formed at the lower end of the clamping block 132, and the wire of the coil assembly 3 is located in the clamping groove 136, so that the wire position of the coil assembly 3 is kept stable.
Referring to fig. 2, two engaging blocks 121 are fixed on the upper surface of the upper portion 12, the positions of the engaging blocks 121 correspond to the positions of the connecting blocks 133, two second abutting blocks 125 are fixed on the upper surface of the engaging blocks 121, and two fixing blocks 122 are fixed on the upper surface of the upper portion 12. One end of the lower part 13 is penetrated with a first penetrating groove, the first penetrating groove is positioned between the adjacent positioning blocks 131, the other side of the lower part 13 is provided with a second penetrating groove, the second penetrating groove is positioned between the adjacent connecting blocks 133, the upper part 12 is provided with a third penetrating groove, the third penetrating groove is positioned between the two joining blocks 121, the other side of the upper part 12 is provided with a fourth penetrating groove, the fourth penetrating groove is positioned between the adjacent fixing blocks 122, and the first penetrating groove, the second penetrating groove, the third penetrating groove and the fourth penetrating groove facilitate the passing of a wire of the coil component 3.
Referring to fig. 2 and 3, two first waist grooves 211 penetrate through the upper surface of the lower core 22, the two waist grooves are respectively located at two sides of the lower core 22, two second waist grooves 222 penetrate through the upper surface of the upper core 21, and the positions of the second waist grooves 222 correspond to the positions of the first waist grooves 211. The lower surface of the lower part 13 is fixed with a first abutting strip 134, the first abutting strip 134 and the connecting block 133 are integrally formed, the first abutting strip 134 is arranged along the first waist groove 211, the surface of the upper part 12 is respectively fixed with a second abutting strip 123 and a third abutting strip 124, the second abutting strip 123 is located at the position of the abutting block 121, and the third abutting strip 124 is located at the position of the fixing block 122, so that the exposed area of the coil assembly 3 is reduced.
Referring to fig. 2, the coil assembly 3 includes an inner coil 32 and an outer coil 31, the inner coil 32 is wound around the winding portion 11, a first insulating tape 321 is wrapped on an outer sidewall of the inner coil 32, the outer coil 31 is wound on an outer sidewall of the first insulating tape 321, and a second insulating tape 311 is wrapped on an outer sidewall of the outer coil 31. The first insulating tape 321 separates the inner coil 32 from the outer coil 31, so that the inner coil 32 and the outer coil 31 are not conducted with each other, and the inner coil 32 is disposed inside the outer coil 31, thereby reducing the volume occupied by the coil and reducing the volume of the transformer without changing the function thereof.
Referring to fig. 2 and 4, a piece of copper foil 6 is disposed on the side wall of the iron core 2 away from the gouging groove 45, a third insulating tape 7 is attached to the side wall of the iron core 2 provided with the copper foil 6, a fourth insulating tape 8 is further wound on the outer side wall of the iron core 2, and the insulating effect of the transformer is improved through the second insulating tape 311, the third insulating tape 7 and the fourth insulating tape 8.
The implementation principle of the transformer with strong insulation performance in the embodiment of the application is as follows: the inner coil 32 is wound around the winding part 11, the outer sidewall of the inner coil 32 is wrapped with a first insulating tape 321, and then is wound with the outer coil 31, and the second insulating layer is wrapped toward the outer coil 31. The positioning column 221 is inserted into the inner cavity of the winding portion 11, the upper core 21 and the lower core 22 are adhered through glue, one end, away from the opening of the protective shell 4 side, of the iron core 2 is provided with a copper foil 6, the copper foil 6 is fixed on the iron core 2 through a third insulating adhesive tape 7, then the iron core 2 is wrapped through the third insulating adhesive tape 7, the iron core 2 is placed in the placing groove 41, the side wall of the iron core 2 abuts against the limiting groove 42, the positioning block 131 is located in the positioning groove 441, the pins 5 abut against the placing groove 41, and the supporting block 135 abuts against the protective shell 4 and finally adheres the iron core 2 and the protective shell 4 through glue.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a transformer that insulating nature is strong, includes skeleton (1), winding coil pack (3) at skeleton (1), pin (5) of being connected through wire and coil pack (3) and will pass iron core (2) of skeleton (1) inner chamber, its characterized in that: still include protective housing (4) of protection iron core (2), skeleton (1), coil pack (3) and iron core (2) are fixed in protective housing (4) inner chamber, protective housing (4) are provided with a plurality of openings.
2. The transformer according to claim 1, wherein: coil pack (3) are including twining in interior coil (32) of skeleton (1) and twining in outer coil (31) of interior coil (32) lateral wall, interior coil (32) lateral wall is provided with first insulation adhesive tape (321) that are located between interior coil (32) and outer coil (31).
3. The transformer according to claim 2, wherein: and a second insulating tape (311) for increasing insulativity is arranged on the outer side wall of the outer coil (31).
4. The transformer according to claim 1, wherein: spacing groove (42) have all been seted up to the both sides wall that protective housing (4) inner chamber kept away from each other, iron core (2) both ends are located adjacent spacing groove (42) respectively to the butt is in spacing groove (42).
5. The transformer according to claim 1, wherein: skeleton (1) is including upper portion (12), winding part (11) and lower part (13) that from top to bottom connect gradually, lower part (13) edge is fixed with a plurality of locating pieces (131), protective housing (4) are vertical and are provided with location strip (44) in the lateral wall department of spacing groove (42), location strip (44) have been seted up a plurality ofly and locating piece (131) complex constant head tank (441).
6. The transformer according to claim 5, wherein: lower part (13) are close to protective housing (4) side opening one end and are fixed with a plurality of connecting blocks (133), pin (5) are connected in connecting block (133), connecting block (133) lower extreme is fixed with a plurality of first butt joint pieces (137) that block the adjacent wire of coil pack (3) and contact each other, the wire butt of coil pack (3) is in first butt joint piece (137).
7. The transformer according to claim 6, wherein: the connecting block (133) is fixed with a clamping block (132), and a clamping groove (136) is formed in the clamping block (132).
8. The transformer according to claim 6, wherein: pin (5) are close to iron core (2) one end and pass connecting block (133), standing groove (41) have been seted up to the bottom wall in protective housing (4), iron core (2) are arranged in standing groove (41), pin (5) are close to iron core (2) one end butt in standing groove (41) lateral wall.
9. The transformer according to claim 1, wherein: the side wall of the iron core (2) is provided with a copper foil (6), and the side wall of the iron core (2) provided with the copper foil (6) is provided with a layer of third insulating tape (7).
10. The transformer according to claim 1, wherein: and a fourth insulating tape (8) is arranged on the outer side wall of the iron core (2).
CN202120042877.2U 2021-01-07 2021-01-07 Transformer with high insulativity Active CN214152614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120042877.2U CN214152614U (en) 2021-01-07 2021-01-07 Transformer with high insulativity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120042877.2U CN214152614U (en) 2021-01-07 2021-01-07 Transformer with high insulativity

Publications (1)

Publication Number Publication Date
CN214152614U true CN214152614U (en) 2021-09-07

Family

ID=77547538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120042877.2U Active CN214152614U (en) 2021-01-07 2021-01-07 Transformer with high insulativity

Country Status (1)

Country Link
CN (1) CN214152614U (en)

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