CN207977198U - A kind of electronic transformer - Google Patents

A kind of electronic transformer Download PDF

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Publication number
CN207977198U
CN207977198U CN201820224571.7U CN201820224571U CN207977198U CN 207977198 U CN207977198 U CN 207977198U CN 201820224571 U CN201820224571 U CN 201820224571U CN 207977198 U CN207977198 U CN 207977198U
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China
Prior art keywords
copper sheet
coil
insulating film
electronic transformer
insulating
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CN201820224571.7U
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Chinese (zh)
Inventor
于雷雷
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Xinyi Taida Electronics Co Ltd
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Xinyi Taida Electronics Co Ltd
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Priority to CN201820224571.7U priority Critical patent/CN207977198U/en
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Abstract

The utility model discloses a kind of electronic transformers, the electronic transformer includes mounting bracket, insulation assembly on mounting bracket and the transformation component on insulation assembly, the mounting bracket is magnet, including pedestal and the end cap being adsorbed on pedestal, the pedestal is in concave, and center pillar is connected in the middle part of pedestal, the insulation assembly includes the insulating sleeve being sleeved on center pillar and the first insulating film for being sleeved on insulating sleeve, the transformation component includes the coil and copper sheet overlayed between insulating sleeve and the first insulating film, the coil includes primary coil and secondary coil, and the second insulating film is installed between primary coil and secondary coil, and insulating epoxy plate is stacked between coil and copper sheet.The electronic transformer of the utility model makes electronic transformer have preferable insulation performance, improves the pressure-resistant performance of transformer by making mutually insulated between coil, copper sheet and magnetic core.

Description

A kind of electronic transformer
Technical field
The utility model is related to power electronics fields, and in particular to a kind of electronic transformer.
Background technology
Transformer is a kind of set of potential device, can be used for terminal power supply and ring network power supply, and conversion is very convenient, ensures The reliability of power supply and flexibility, and electronic transformer then has the alternating voltage of alternating current is changed into after direct current again by half Conductor switching device and electronic component and high frequency transformer winding constitute a kind of electronic device of high-frequency ac voltage output, It is that inverter circuit is directly handed in a kind of friendship told about in theory of electronics.
Existing electronic transformer is mainly made of high frequency transformer magnetic core and two or more coils, is used Then skeleton coiling is fitted together magnetic core with the line package of skeleton coiling is relied on, they do not change position mutually, from one or two In a above electrical circuit, is acted on by electromagnetic induction by AC power, be transformed into alternating voltage and electric current.
But above-mentioned electronic transformer lacks insulation system, is not easy to have when improving product power preferable exhausted Edge performance.
Utility model content
The purpose of this utility model is to provide a kind of electronic transformers, and work(is being improved to solve existing electronic transformer It is not easy have the problem of preferable insulation performance when rate.
To achieve the above object, the technical solution of the utility model is to provide a kind of electronic transformer, the electronic transformer Device includes mounting bracket, the insulation assembly on mounting bracket and the transformation component on insulation assembly, the installation Frame is magnet, including pedestal and the end cap that is adsorbed on pedestal, the pedestal is in concave, and is connected in the middle part of pedestal Column, the insulation assembly include the insulating sleeve being sleeved on center pillar and the first insulating film for being sleeved on insulating sleeve, the transformation Component includes the coil and copper sheet overlayed between insulating sleeve and the first insulating film.
The end cap of mounting bracket is opened using mounting bracket as the magnetic core of electronic transformer by using above-mentioned technical proposal, it will Coil is wrapped on the center pillar of mounting bracket pedestal, so that coil is formed winding on magnetic core, then the end cap of mounting bracket is covered, is made peace The magnetic circuit for constituting a closure is shelved, allows the normal work of electronic transformer using undesirable mutual electromagnetic inductance effect by coil external power supply Make, while being arranged insulating sleeve on center pillar and being arranged insulating film on insulating sleeve, keeps the inside and outside equal and magnetic core of coil exhausted Edge also ensures that electronic transformer has preferable insulation performance, in order to improve when improving electronic transformer power The material of the insulation performance of insulation assembly, insulation assembly can preferred PI films.
Further, the middle part of first insulating film is in coordinate the annular installed, and the first insulating film with insulating sleeve Both ends be in symmetrically arranged rectangular in the middle part of the annular, the annular middle part of first insulating film is sleeved on insulating sleeve, and the The outer diameter at one insulating film annular middle part is more than the diameter of insulating sleeve, and the annular middle part of first insulating film is tightly attached to mounting bracket Bottom surface on, the both ends of first insulating film are holded up and are tightly attached on the two side of mounting bracket.
By using above-mentioned technical proposal, the square end of the first insulating film both sides is holded up along the direction at vertical ring-shaped middle part So that the first insulating film is formed cylinder, then the first insulating film for forming cylinder is placed in the groove of mounting bracket pedestal, makes first Insulating film is sleeved on insulating sleeve, using the first insulating film annular middle part outer diameter be more than insulating sleeve diameter, make first absolutely The gap placed for coil is formed between the inner wall of velum and the outer wall of insulating sleeve, and by the annular middle part of the first insulating film It is tightly attached on the bottom surface of mounting bracket pedestal, coil is made to insulate with mounting bracket, convenient for improving the insulation performance of electronic transformer.
Further, the coil is wrapped on insulating sleeve, between the copper sheet overlays the coil of winding, and copper sheet One end be in be fitted to annular on insulating sleeve, the other end extends and is formed pin, institute along the direction far from annular end State between coil and copper sheet and be stacked between coil and end cap insulating epoxy plate.
By using above-mentioned technical proposal, between copper sheet is overlayed coil, the sky inside electronic transformer can be saved Between, and it is made of copper sheet the pin of electronic transformer, utilize the dead ring between copper sheet and coil and between coil and end cap Oxygen plate makes coil insulate respectively with copper sheet and mounting bracket, convenient for improving the insulation performance of electronic transformer.
Further, the copper sheet is equipped with multiple and forms multiple copper sheet groups, and the copper sheet being stacked together is one group, institute It includes the first copper sheet and the second copper sheet stacked successively to state copper sheet group, and first copper sheet is respectively at the left side of annular end and middle part Integrally formed with pin, second copper sheet has pin, and the first copper sheet on the right side of annular end and central integration respectively With the pin in the middle part of the second copper sheet when stacking copper sheet shape in an overlapping.
By using above-mentioned technical proposal, one group of copper sheet group is stacked every one section of coil on insulating sleeve, utilizes copper sheet The different shape of two copper sheet pins in group makes every group of copper sheet group respectively constitute row's pin of electronic transformer, and being convenient for will Electronic transformer is mounted on corresponding circuit board, for the ease of improving the insulation performance of transformer, in the first copper sheet and second Insulating epoxy plate or PI films can also be stacked between copper sheet.
Further, the coil includes primary coil and secondary coil, and the secondary coil is wrapped in primary coil On outer wall, the second insulating film is installed between the primary coil and secondary coil.
By using above-mentioned technical proposal, armature winding is formed by primary coil and is connected with AC power, by secondary Coil forms secondary windings and is connected with load, true using the second insulating film being arranged between primary coil and secondary coil The case where protecting the insulating properties between two coils, avoiding leakage field, in order to improve the insulation performance of the second insulating film, the second insulating film Preferable PI films, can also be insulated using insulating epoxy plate.
The utility model has the following advantages that:
The electronic transformer of the utility model improves transformer transfer efficiency itself under same volume, reduces power consumption, really It insulate very well between guarantor's primary and secondary coil, between primary and secondary coil and magnetic core, and can be difficult to ensure insulation some other Enhance intrinsic insulation effect in the conventional transformer design of effect, improves the pressure-resistant performance of product.
Description of the drawings
Fig. 1 is the overall structure diagram of the electronic transformer of the utility model.
Fig. 2 is the structural blast schematic diagram of the electronic transformer of the utility model.
Fig. 3 is the structural schematic diagram of the first insulating film of the electronic transformer of the utility model.
Fig. 4 is the structural schematic diagram of the copper sheet group of the electronic transformer of the utility model.
Fig. 5 is the exploded perspective view of the transformation component of the electronic transformer of the utility model.
In figure, 1, mounting bracket;11, pedestal;12, end cap;13, center pillar;2, insulation assembly;21, insulating sleeve;22, first Insulating film;3, transformation component;31, coil;311, primary coil;312, secondary coil;313, the second insulating film;32, copper sheet; 321, the first copper sheet;322, the second copper sheet.
Specific implementation mode
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the utility model provides a kind of electronic transformer, including mounting bracket 1, is mounted on installation Insulation assembly 2 on frame 1 and the transformation component 3 on insulation assembly 2.Mounting bracket 1 is for magnet and as electronic transformer The magnetic core of device comprising the end cap 12 of pedestal 11 and absorption on the pedestal 11, pedestal 11 are in concave, and solid at the middle part of pedestal 11 It is connected to the center pillar 13 in cylinder.Insulation assembly 2 includes the insulating sleeve 21 being sleeved on center pillar 13 and is sleeved on insulating sleeve 21 The first insulating film 22, transformation component 3 includes overlaying coil 31 and copper sheet between insulating sleeve 21 and the first insulating film 22 32, the end cap 12 of mounting bracket 1 is opened, coil 31 is wrapped on the center pillar 13 of pedestal 11, coil 31 is made to be formed on mounting bracket 1 Winding, then the end cap 12 of mounting bracket 1 is covered, so that mounting bracket 1 is constituted the magnetic circuit of a closure, by 31 external power supply of coil, profit With electromagnetism mutual inductance effect, electronic transformer is allow to work normally.
The middle part of first insulating film 22 is in the annular with the cooperation installation of insulating sleeve 21, and the both ends of the first insulating film 22 are in Along annular middle part symmetrically arranged rectangular (with reference to figure 3), the annular middle part of the first insulating film 22 is sleeved on insulating sleeve 21, is made The annular middle part of first insulating film 22 is tightly attached on the bottom surface of pedestal 11, and the both ends of the first insulating film 22 are in vertical ring-shaped at this time The direction in portion, which is holded up, makes the first insulating film 22 form cylinder, and the square end of 22 both sides of the first insulating film is made to be tightly attached to installation respectively On the two side of frame 1.The outer diameter at 22 annular middle part of the first insulating film is more than the diameter of insulating sleeve 21, makes 22 side of the first insulating film It is formed with the gap placed for coil 31 between the inner wall and the outer wall of insulating sleeve 21 at shape end, using the first insulating film 22 and absolutely Edge sleeve 21 makes coil 31 insulate with mounting bracket 1, and electronic transformer is made to be not easy leakage field, it is ensured that electronic transformer has preferable Insulation performance, and in order to improve the insulation performance of insulation assembly, the material of the first insulating film 22 and insulating sleeve 21 can be excellent Select PI films.
As described above, coil 31 includes the primary coil 311 being wrapped on insulating sleeve 21 and is wrapped in primary coil 311 The outer wall of secondary coil 312 on outer wall, secondary coil 321 is tightly attached on the inner wall of the first insulating film 22.By primary coil 311 It forms armature winding and is connected with AC power, is formed secondary windings by secondary coil 312 and is connected with load, and first Second insulating film 313 is installed between grade coil 311 and secondary coil 312, primary coil is ensured by the second insulating film 313 Insulating properties between 311 and secondary coil 312 makes to be not easy leakage field in coil, and in order to improve the insulation of the second insulating film 313 Performance, 313 preferable PI films of the second insulating film, can also be insulated using epoxy plate.
Between copper sheet 32 overlays the coil 31 of winding, and one end of copper sheet 32 is in be fitted on insulating sleeve 21 Annular, the other end extends and is formed pin along far from the direction of annular end, can be between copper sheet 32 is overlayed coil 31 The space inside electronic transformer is saved, and is made of the pin of electronic transformer copper sheet 32.Copper sheet 32 is equipped with multiple and is formed Multiple copper sheet groups, i.e., stack one group of copper sheet group on insulating sleeve 21 every one section of coil 31, and copper sheet group includes the first copper sheet 321 With the second copper sheet 322 (with reference to figure 4), the first copper sheet 321 has a pin in the left side of annular end and central integration respectively, and second Copper sheet 322 has pin, and 322 middle part of the first copper sheet 321 and the second copper sheet on the right side of annular end and central integration respectively Pin when stacking copper sheet, shape makes every group of copper sheet group using the different shape of two 32 pins of copper sheet in copper sheet group in an overlapping Row's pin of electronic transformer is respectively constituted, convenient for electronic transformer to be mounted on corresponding circuit board.
As described above, being stacked with the insulating epoxy plate being fitted on insulating sleeve 21 between coil 31 and copper sheet 32 33 (with reference to figures 5) make coil 31 insulate with copper sheet 32 using insulating epoxy plate 33, convenient for improving the insulating properties of electronic transformer Can, and in order to ensure coil 31 and mounting bracket 1 insulate, after having stacked coil 31 and copper sheet 32 on insulating sleeve 21, online The top of circle 31 stacks a piece of insulating epoxy plate 33 again, when making to cover the end cap 12 of mounting bracket 1, makes coil by insulating epoxy plate 33 31 insulate with the end cap 12 of mounting bracket 1, make mutually insulated between coil 31, copper sheet 32 and mounting bracket 1, become convenient for improving electronics The insulation performance of depressor.
The electronic transformer of the utility model makes transformer raising under same volume itself turn by the way that insulation assembly is arranged It changes efficiency, reduce power consumption, it is ensured that insulate very well between primary and secondary coil, between primary and secondary coil and magnetic core, and can be one A little other, which are difficult to ensure in the conventional transformer design of insulation effect, enhances intrinsic insulation effect, improves the resistance to pressure of product Energy.
Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (5)

1. a kind of electronic transformer, it is characterised in that:The electronic transformer includes mounting bracket (1), is mounted on mounting bracket (1) Insulation assembly (2) and the transformation component (3) on the insulation assembly (2), the mounting bracket (1) be magnet, including bottom Seat (11) and the end cap (12) being adsorbed on pedestal (11), the pedestal (11) are in concave, and affixed at the middle part of pedestal (11) There are center pillar (13), the insulation assembly (2) to include the insulating sleeve (21) being sleeved on center pillar (13) and be sleeved on insulating sleeve (21) On the first insulating film (22), the transformation component (3) include overlay between insulating sleeve (21) and the first insulating film (22) Coil (31) and copper sheet (32).
2. a kind of electronic transformer according to claim 1, it is characterised in that:The middle part of first insulating film (22) is in The annular installed with insulating sleeve (21) cooperation, and the both ends of the first insulating film (22) are in the symmetrically arranged side in the middle part of annular The annular middle part of shape, first insulating film (22) is sleeved on insulating sleeve (21), and the first insulating film (22) annular middle part Outer diameter is more than the diameter of insulating sleeve (21), and the annular middle part of first insulating film (22) is tightly attached to the bottom surface of mounting bracket (1) On, the both ends of first insulating film (22) are holded up and are tightly attached on the two side of mounting bracket (1).
3. a kind of electronic transformer according to claim 1, it is characterised in that:The coil (31) is wrapped in insulating sleeve (21) on, between the copper sheet (32) overlays the coil (31) of winding, and one end of copper sheet (32) is in be fitted to insulation Annular on sleeve (21), the other end extend and are formed pin, the coil (31) and copper sheet along the direction far from annular end (32) insulating epoxy being fitted on insulating sleeve (21) is stacked between and between coil (31) and end cap (12) Plate (33).
4. a kind of electronic transformer according to claim 3, it is characterised in that:The copper sheet (32) is equipped with multiple and is formed Multiple copper sheet groups, and the copper sheet (32) being stacked together is one group, the copper sheet group includes the first copper sheet (321) stacked successively With the second copper sheet (322), first copper sheet (321) has pin in the left side of annular end and central integration respectively, described Second copper sheet (322) has pin, and the first copper sheet (321) and the second copper sheet on the right side of annular end and central integration respectively (322) pin in the middle part of the shape in an overlapping when stacking copper sheet.
5. a kind of electronic transformer according to claim 1, it is characterised in that:The coil (31) includes primary coil (311) it is wrapped on the outer wall of primary coil (311) with secondary coil (312), the secondary coil (312), the primary line The second insulating film (313) is installed between circle (311) and secondary coil (312).
CN201820224571.7U 2018-02-08 2018-02-08 A kind of electronic transformer Active CN207977198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820224571.7U CN207977198U (en) 2018-02-08 2018-02-08 A kind of electronic transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820224571.7U CN207977198U (en) 2018-02-08 2018-02-08 A kind of electronic transformer

Publications (1)

Publication Number Publication Date
CN207977198U true CN207977198U (en) 2018-10-16

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Application Number Title Priority Date Filing Date
CN201820224571.7U Active CN207977198U (en) 2018-02-08 2018-02-08 A kind of electronic transformer

Country Status (1)

Country Link
CN (1) CN207977198U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021227229A1 (en) * 2020-05-09 2021-11-18 深圳威迈斯新能源股份有限公司 Inductor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021227229A1 (en) * 2020-05-09 2021-11-18 深圳威迈斯新能源股份有限公司 Inductor

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