CN206040393U - High -frequency transformer of EMI performance is prevented to utensil - Google Patents
High -frequency transformer of EMI performance is prevented to utensil Download PDFInfo
- Publication number
- CN206040393U CN206040393U CN201620849315.8U CN201620849315U CN206040393U CN 206040393 U CN206040393 U CN 206040393U CN 201620849315 U CN201620849315 U CN 201620849315U CN 206040393 U CN206040393 U CN 206040393U
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- coil
- wrapping post
- skeleton
- stitch
- transformer
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Abstract
The utility model discloses a high -frequency transformer of EMI performance is prevented to utensil, including the skeleton with twine the coil on the skeleton and install in the outside shielding shell of skeleton, this skeleton includes wrapping post and two baffles, this wrapping post is cavity cylinder form, this two baffles an organic whole sets up in the wrapping post both ends, forms the wire winding groove that is used for the wound wire circle between wrapping post and two baffles, is provided with a plurality of lead wire grooves and stitch on wrapping post lower extreme baffle to this lead wire tank bottom portion is bevel shaped, this coil twines in the groove that winds, and the coil both ends are connected with the stitch through the groove that goes between, has the aluminium foil shielding layer of a reinforcing transformer anti -electromagnetic interference ability in the outside cladding of coil, it is outside that this shielding shell is located the aluminium foil shielding layer. By this, through in the outside cladding aluminium foil shielding layer of transformer coil, set up the anti -electromagnetic interference ability of shielding shell, improvement transformer in skeleton and coil outside to the utilization has the lead wire groove on inclined plane and improves the end winding distribution, improves the transformer quality.
Description
Technical field
This utility model is related to field transformer technology, refers in particular to a kind of high frequency transformer of tool EMI suppression performance.
Background technology
At present various small household appliances obtain extensive popularization and application, due to more than general small household appliance using low
The unidirectional current of pressure is used as power supply, therefore commonly uses high frequency transformer in many small household appliances as the components and parts of blood pressure lowering,
Traditional oil immersed type high frequency polyphase transformer is wound in transformer framework wire casing, then by line by enamel-covered wire or three layer insulation wire
Groove enters line to the stitch of transformer framework.But, this kind of transformator is poor due to itself capacity of resisting disturbance, easily by other
The electromagnetic interference of electronic device, affects the normal work of transformator, and, on traditional skeleton, stitch root is neat with skeleton bottom
Flat, the convex closure formed after causing stitch and coil bonding wire can exceed transformer case place plane, affect the installation of transformator with
Positioning, in addition, conventional coil lead segments Jing are commonly present loose situation, affects transformator cleaning.Therefore, tackle existing transformation
Device is improved, to solve the above problems.
Utility model content
In view of this, disappearance of this utility model for prior art presence, its main purpose are to provide a kind of tool EMI suppression
The high frequency transformer of performance, by coating foil shielding layer outside transformer coil, arranges shielding in skeleton and coil outer
Shell, improves the anti-electromagnetic interference capability of transformator using foil shielding layer and shielding case, and is changed using having bevelled wire lead slot
Kind end turn distribution, improves transformator quality.
For achieving the above object, this utility model is using such as purgation technical scheme：
A kind of high frequency transformer of tool EMI suppression performance, includes skeleton and the coil being wound on skeleton and is installed on
Shielding case outside skeleton, the skeleton include wrapping post and two baffle plates, and in hollow cylinder shape, two baffle plate integrally sets the wrapping post
Wrapping post two ends are placed in, the winding slot for wound around coil, the end-stopping plate under wrapping post is formed between wrapping post and two baffle plates
On be provided with plurality of leads groove and stitch, and the lead trench bottom takes the form of inclined plane；The coil is wound in winding slot, coil
Two ends Jing wire lead slots are connected with stitch, are coated with the aluminum foil shielded of an enhancing transformator anti-electromagnetic interference capability in coil outer
Layer；The shielding case is located at outside foil shielding layer.
As a kind of preferred version：The baffle plate positioned at wrapping post lower end has been wholely set an extension respectively to both sides
Block, above-mentioned plurality of leads groove are arranged at intervals on the extension block, and above-mentioned a plurality of stitch are arranged at the extension block bottom.
As a kind of preferred version：The extension block lower surface is provided with sinking step, and above-mentioned a plurality of stitch are arranged at
On the sinking step.
As a kind of preferred version：The baffle plate both sides positioned at wrapping post upper end are respectively arranged with a limited block, and this two
Between limited block and between above-mentioned two extension block, formation supplies to install the accommodation space of shielding case respectively, and above-mentioned shielding case is installed on
In the accommodation space.
As a kind of preferred version：The two coiling blocks for being used for coiling are provided with a wherein limited block lateral wall.
This utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology
Scheme understands, by coating foil shielding layer outside transformer coil, arranges shielding case in skeleton and coil outer, in aluminium foil
Under the dual shield effect of screen layer and shielding case, the anti-electromagnetic interference capability of transformator can be effectively improved, improve transformator and prevent
EMI characteristics；Also, each overhang can be kept apart by the wire lead slot being arranged at intervals under wrapping post on end-stopping plate, it is to avoid
Interfere, and the lead groove bottom wall for taking the form of inclined plane can strengthen the compactness of fitting between wire rod and wire lead slot, improve transformation
Device quality.
For more clearly illustrating architectural feature of the present utility model and effect, come right with specific embodiment below in conjunction with the accompanying drawings
Which is described in detail.
Description of the drawings
Transformator side schematic views of the Fig. 1 for this utility model；
Transformator front schematic views of the Fig. 2 for this utility model；
Fig. 3 is view after the wound coil of this utility model；
Skeleton schematic perspective views of the Fig. 4 for this utility model；
Skeleton polycrystalline substance schematic diagrams of the Fig. 5 for this utility model.
Accompanying drawing identifier declaration：
10th, skeleton 11, wrapping post
12nd, baffle plate 121, extension block
1211st, wire lead slot 1212, sinking step
1213rd, stitch 122, limited block
1221st, coiling block 13, winding slot
14th, accommodation space 20, coil
30th, shielding case 40, foil shielding layer.
Specific embodiment
As shown in Figures 1 to 5, a kind of high frequency transformer of tool EMI suppression performance includes 10 He of skeleton to this utility model
The coil 20 being wound on skeleton 10 and the shielding case 30 being installed on outside skeleton 10, wherein：
The skeleton 10 includes wrapping post 11 and two baffle plates 12, and the wrapping post 11 is in hollow cylinder shape, two baffle plates, 12 one
11 two ends of wrapping post are arranged at, the winding slot 13 for wound around coil 20 is formed between wrapping post 11 and two baffle plates 12, also,
Baffle plate 12 positioned at 11 lower end of wrapping post has been wholely set an extension block 122 respectively to both sides, is spaced and sets on the extension block 122
Plurality of leads groove 1211 is equipped with, 1211 bottom of wire lead slot takes the form of inclined plane, and can strengthen the attachment of wire rod and wire lead slot 1211
Compactness, is provided with sinking step 1212 in 121 lower surface of extension block, on the sinking step 1212 is provided with a plurality of pins
Foot 1213, each stitch 1213 are respectively positioned on by 1211 side of respective lead groove, due to being provided with sinking step 1212, stitch 1213 and line
Enclose the convex closure produced at 20 bonding wires to be located in sinking step 1212, without exceeding transformer bottom plane, facilitate transformation
The installation positioning of device.
The coil 20 is wound in above-mentioned winding slot 13, and 20 two ends Jing wire lead slot 1211 of coil is connected with stitch 1213,
The foil shielding layer 40 of an enhancing transformator anti-electromagnetic interference capability is coated with outside coil 20；In the gear of 11 upper end of wrapping post
12 both sides of plate are respectively arranged with a limited block 122, distinguish shape between two limited block 122 and between above-mentioned two extension block 121
Into supplying to install the accommodation space 14 of shielding case 30, above-mentioned shielding case 30 is installed in the accommodation space 14, foil shielding layer 40
In shielding case 30, and the two coiling blocks 1221 for being used for coiling, two coiling is provided with 122 lateral wall of a wherein limited block
Block 1221 can be as standby, to use when transformator adjusts 20 number of turns of coil.
Design focal point of the present utility model is, by coating foil shielding layer outside transformer coil, in skeleton and
Coil outer arranges shielding case, under the dual shield effect of foil shielding layer and shielding case, can effectively improve the anti-of transformator
Electromagnetic interference capability, improves transformator EMI suppression characteristic；Also, being arranged at intervals under wrapping post the wire lead slot on end-stopping plate can be with
Each overhang is kept apart, it is to avoid interfere, and the lead groove bottom wall for taking the form of inclined plane can strengthen wire rod and wire lead slot
Between laminating compactness, improve transformator quality.
The above, is only preferred embodiment of the present utility model, and not technical scope of the present utility model is made
Any restriction, thus it is every according to technical spirit of the present utility model to any trickle amendment made for any of the above embodiments, equivalent become
Change and modification, still fall within the range of technical solutions of the utility model.
Claims (5)
1. it is a kind of tool EMI suppression performance high frequency transformer, it is characterised in that：Include skeleton and the coil that is wound on skeleton with
And the shielding case being installed on outside skeleton, the skeleton includes wrapping post and two baffle plates, and the wrapping post is in hollow cylinder shape, two gear
Plate is integrally formed at wrapping post two ends, forms the winding slot for wound around coil, in wrapping post between wrapping post and two baffle plates
Plurality of leads groove and stitch is provided with lower end-stopping plate, and the lead trench bottom takes the form of inclined plane；The coil is wound in coiling
In groove, coil two ends Jing wire lead slots are connected with stitch, are coated with an enhancing transformator anti-electromagnetic interference capability in coil outer
Foil shielding layer；The shielding case is located at outside foil shielding layer.
2. it is according to claim 1 tool EMI suppression performance high frequency transformer, it is characterised in that：It is described under wrapping post
The baffle plate at end has been wholely set an extension block respectively to both sides, and above-mentioned plurality of leads groove is arranged at intervals on the extension block, on
State a plurality of stitch and be arranged at the extension block bottom.
3. it is according to claim 2 tool EMI suppression performance high frequency transformer, it is characterised in that：The extension block lower surface
Sinking step is provided with, above-mentioned a plurality of stitch are arranged on the sinking step.
4. it is according to claim 2 tool EMI suppression performance high frequency transformer, it is characterised in that：It is described on wrapping post
The baffle plate both sides at end are respectively arranged with a limited block, are formed for peace respectively between two limited block and between above-mentioned two extension block
The accommodation space of dress shielding case, above-mentioned shielding case are installed in the accommodation space.
5. it is according to claim 4 tool EMI suppression performance high frequency transformer, it is characterised in that：A wherein limited block
The two coiling blocks for being used for coiling are provided with lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849315.8U CN206040393U (en) | 2016-08-08 | 2016-08-08 | High -frequency transformer of EMI performance is prevented to utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849315.8U CN206040393U (en) | 2016-08-08 | 2016-08-08 | High -frequency transformer of EMI performance is prevented to utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040393U true CN206040393U (en) | 2017-03-22 |
Family
ID=58309116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620849315.8U Expired - Fee Related CN206040393U (en) | 2016-08-08 | 2016-08-08 | High -frequency transformer of EMI performance is prevented to utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206040393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053971A (en) * | 2018-01-04 | 2018-05-18 | 深圳盈通电子科技实业有限公司 | A kind of filter inductor structure and its manufacturing method |
-
2016
- 2016-08-08 CN CN201620849315.8U patent/CN206040393U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053971A (en) * | 2018-01-04 | 2018-05-18 | 深圳盈通电子科技实业有限公司 | A kind of filter inductor structure and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20180808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |