CN207068625U - A kind of exoskeletal high frequency transformer of small size - Google Patents
A kind of exoskeletal high frequency transformer of small size Download PDFInfo
- Publication number
- CN207068625U CN207068625U CN201720891835.XU CN201720891835U CN207068625U CN 207068625 U CN207068625 U CN 207068625U CN 201720891835 U CN201720891835 U CN 201720891835U CN 207068625 U CN207068625 U CN 207068625U
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- type magnetic
- magnetic core
- air core
- high frequency
- frequency transformer
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Abstract
The utility model discloses a kind of exoskeletal high frequency transformer of small size, and it includes E-type magnetic core and the I type magnetic cores for closing E-type magnetic core；Multiple air core coils are provided with the E magnetic cores；The air core coil is arranged to snail shape, and the air core coil is linked on the oval center pillar on E-type magnetic core；The E cores magnetic core is arranged with wiring base；The wiring base both sides are symmetrical arranged multiple binding posts；The top and end of the air core coil are separately positioned on different binding posts.It eliminates skeleton structure and employs insulating materials, it is not necessary to distance safe to use so that overall structure volume is smaller.
Description
Technical field
The utility model belongs to field transformer, specially a kind of exoskeletal high frequency transformer of small size.
Background technology
In Switching Power Supply, high frequency transformer is the important component for carrying out energy storage and transmission.One high frequency transformer
Should have that leakage inductance is small, the stary capacity of coil is small, the coupled capacitor between each coil also wants the characteristics of small.Traditional transformer primary and secondary
Between need to be dielectrically separated from, it is necessary to primary and secondary is wound on skeleton, it is necessary to using insulated wire or do safe distance design, and
Traditional transformer uses three layer insulation wire, and product design size is larger, and cost is higher.
Utility model content
The purpose of this utility model is to be directed to problem above, there is provided a kind of exoskeletal high frequency transformer of small size, it is used
Assembled around the line cake made, eliminate skeleton structure so that overall structure volume is smaller.
To realize object above, the technical solution adopted in the utility model is：A kind of exoskeletal high frequency transformer of small size,
It includes E-type magnetic core 2 and the I types magnetic core 5 for closing E-type magnetic core 2；Multiple air core coils 3 are provided with the E-type magnetic core 2；
The air core coil 3 is arranged to snail shape, and it is linked on the oval center pillar 201 on E-type magnetic core 2；The E-type magnetic core
2 are arranged with wiring base 1；The both sides of wiring base 1 are symmetrical arranged multiple binding posts 4；The top of the air core coil 3 and
End is separately positioned on different binding posts 4.
Further, the insulating materials set on the air core coil 3 is multilayer insulating film enamel-covered wire.
Further, multiple stackings of air core coil 3 are linked on center pillar 201.
Further, the wiring base 1 is shaped as I-shaped；Ellipse radiating is provided among the wiring base 1
Hole 101.
The beneficial effects of the utility model：
1st, transformer primary and secondary of the present utility model is assembled with line cake is coiled into, it is not necessary to bobbin, small volume.
2nd, coil of the present utility model uses the wire rod of good insulation preformance, it is not necessary to design safety distance, reduces size.
3rd, insulation wire rod of the present utility model substitutes three layer insulation wire, material cost drop using multilayer insulating film enamel-covered wire
It is low.
4th, the first stage distance of the utility model is small, and leakage inductance is small, and product efficiency is higher.
Brief description of the drawings
Fig. 1 is the utility model top view.
Fig. 2 is that the utility model assembles decomposing schematic representation.
Fig. 3 is the utility model wiring base top view.
In figure：1st, wiring base；2nd, E-type magnetic core；3rd, air core coil；4th, binding post；5th, I types magnetic core；201st, center pillar；101、
Heat emission hole.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this reality
Be described in detail with new, the description of this part be only it is exemplary and explanatory, should not be to the scope of protection of the utility model
There is any restriction effect.
As shown in Figure 1-Figure 3, concrete structure of the present utility model is：A kind of exoskeletal high frequency transformer of small size, it is wrapped
Include E-type magnetic core 2 and the I types magnetic core 5 for closing E-type magnetic core 2；Multiple air core coils 3 are provided with the E-type magnetic core 2；It is described
Air core coil 3 is arranged to snail shape, and it is linked on the oval center pillar 201 on E-type magnetic core 2；Under the E-type magnetic core 2
It is provided with wiring base 1；The both sides of wiring base 1 are symmetrical arranged multiple binding posts 4；The top and end of the air core coil 3
End is separately positioned on different binding posts 4.
Preferably, the insulating materials set on the air core coil 3 is multilayer insulating film enamel-covered wire.
Preferably, multiple stackings of air core coil 3 are linked on center pillar 201.
Preferably, the wiring base 1 is shaped as I-shaped；Ellipse heat emission hole is provided among the wiring base 1
101。
When the utility model is specifically practical, air core coil 3 is arranged on the center pillar 201 of E-type magnetic core 2 first, tubular wire
Circle 3 is in advance around the line cake made, is shaped as snail shape, centre is hollow ellipse.It is provided with according to spiral number of turns difference
Two types, the collocation of both types is using the conversion that can be achieved with different voltages, if the conduct of air core coil 3 that the number of turns is few
Primary, the air core coil 3 more than the number of turns boost as secondary then realize, it is on the contrary then to be depressured.The stacking of air core coil 3 is placed on
On E-type magnetic core 2, and the top of each air core coil 3 and end are connected on the different binding posts 4 in wiring base 1.Described
E-type magnetic core 2, air core coil 3 and the centre that wiring base 1 is placed on together with the I types magnetic core 5 that E-type magnetic core 2 closes.It is described
Oval heat emission hole 101 is provided among wiring base 1.The described material of air core coil 3 uses multilayer insulation for insulation wire rod
Film enamel-covered wire substitutes three layer insulation wire, the multilayer insulating film enamel-covered wire can straight scolding tin, good insulation preformance, and do not need design safety
Distance.After carefully connecting the wire, transformer wrapped up with adhesive tape anti-tampering.The utility model is compact-sized, and using effect is good.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Illustrate that being only intended to help understands method and its core concept of the present utility model.Described above is only of the present utility model preferred
Embodiment, it is noted that due to the finiteness of literal expression, and unlimited concrete structure objectively be present, for this technology
For the those of ordinary skill in field, on the premise of the utility model principle is not departed from, some improvement, retouching can also be made
Or change, above-mentioned technical characteristic can also be combined by rights；These improve retouching, change or combination, or not
It is improved that the design of utility model and technical scheme are directly applied into other occasions, it is regarded as protection of the present utility model
Scope.
Claims (4)
1. a kind of exoskeletal high frequency transformer of small size, it includes E-type magnetic core（2）With for closing E-type magnetic core（2）I type magnetic
Core（5）；Characterized in that, the E-type magnetic core（2）Inside it is provided with multiple air core coils（3）；The air core coil（3）It is arranged to
Snail shape, it is linked in E-type magnetic core（2）On oval center pillar（201）On；The E-type magnetic core（2）It is arranged with wiring
Pedestal（1）；The wiring base（1）Both sides are symmetrical arranged multiple binding posts（4）；The air core coil（3）Top and end
It is separately positioned on different binding posts（4）On.
A kind of 2. exoskeletal high frequency transformer of small size according to claim 1, it is characterised in that the air core coil
（3）The insulating materials of upper setting is multilayer insulating film enamel-covered wire.
A kind of 3. exoskeletal high frequency transformer of small size according to claim 1, it is characterised in that multiple air core coils
（3）Stacking is linked in center pillar（201）On.
A kind of 4. exoskeletal high frequency transformer of small size according to claim 1, it is characterised in that the wiring base
（1）It is shaped as I-shaped；The wiring base（1）Centre is provided with ellipse heat emission hole（101）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720891835.XU CN207068625U (en) | 2017-07-21 | 2017-07-21 | A kind of exoskeletal high frequency transformer of small size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720891835.XU CN207068625U (en) | 2017-07-21 | 2017-07-21 | A kind of exoskeletal high frequency transformer of small size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068625U true CN207068625U (en) | 2018-03-02 |
Family
ID=61511158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720891835.XU Active CN207068625U (en) | 2017-07-21 | 2017-07-21 | A kind of exoskeletal high frequency transformer of small size |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554510A (en) * | 2020-05-29 | 2020-08-18 | 珠海市海威尔电器有限公司 | Manufacturing method of micro transformer and micro transformer |
-
2017
- 2017-07-21 CN CN201720891835.XU patent/CN207068625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554510A (en) * | 2020-05-29 | 2020-08-18 | 珠海市海威尔电器有限公司 | Manufacturing method of micro transformer and micro transformer |
| CN111554510B (en) * | 2020-05-29 | 2022-04-01 | 珠海市海威尔科技有限公司 | Manufacturing method of micro transformer and micro transformer |
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