CN206532685U - Anti-tampering LED transformers - Google Patents
Anti-tampering LED transformers Download PDFInfo
- Publication number
- CN206532685U CN206532685U CN201720288775.2U CN201720288775U CN206532685U CN 206532685 U CN206532685 U CN 206532685U CN 201720288775 U CN201720288775 U CN 201720288775U CN 206532685 U CN206532685 U CN 206532685U
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- CN
- China
- Prior art keywords
- winding
- coil winding
- skeleton
- secondary coil
- primary coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of anti-tampering LED transformers, it is desirable to provide a kind of LED transformers for being capable of anti-electromagnetic interference.The utility model includes magnetic core and skeleton, the magnetic core is set on the skeleton, coil windings are wound with the skeleton, the coil windings include primary coil winding and secondary coil winding, the skeleton is I-shaped structure, the primary coil winding is wrapped on the skeleton successively with the secondary coil winding, one layer of shield winding is also wound between the primary coil winding and the secondary coil winding, the magnetic core is coated with one layer of shielding copper strips, the both sides of the skeleton are provided with some stitch, the primary coil winding, secondary coil winding, the lead-out wire of shield winding and the shielding copper strips is connected with the corresponding stitch, wherein described shield winding and the shielding copper strips are connected with the ground pin in the stitch.The utility model is applied to the technical field of LED transformers.
Description
Technical field
The utility model is related to a kind of transformer, more particularly to a kind of anti-tampering LED transformers.
Background technology
With developing rapidly for social economy, the application field of LED display is each throughout traffic, advertisement, telecommunications etc.
Individual field, various large-scale small-sized LED displays be can be found everywhere, and thing followed electromagnetic interference problem is also quite protruded.LED shows
Display screen, which produces electromagnetic interference, following several：The electromagnetic interference that Switching Power Supply is produced；The crystal oscillator of LED display in itself is caused
Interference；Signal wire and power line arrange closeer, phase between the cable that interference signal also can be in LED display in LED display
Mutual coupling, is finally radiated space or is conducted by power line, forms interference.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art can structure letter there is provided one kind
Anti-tampering LED transformers that are single, being capable of anti-electromagnetic interference.
The technical scheme that the utility model is used is：The utility model includes magnetic core and skeleton, and the magnetic core is arranged
On the skeleton, coil windings are wound with the skeleton, the coil windings include primary coil winding and secondary coil
Winding, the skeleton is I-shaped structure, and the primary coil winding is wrapped in the bone successively with the secondary coil winding
On frame, one layer of shield winding, the magnetic core outsourcing are also wound between the primary coil winding and the secondary coil winding
Be covered with one layer of shielding copper strips, the both sides of the skeleton are provided with some stitch, the primary coil winding, secondary coil winding,
The lead-out wire of shield winding and the shielding copper strips is connected with the corresponding stitch, wherein the shield winding and institute
Shielding copper strips is stated with the ground pin in the stitch to be connected.
Further, the first insulating barrier, the shielding are wound between the primary coil winding and the shield winding
It is wound between winding and the secondary coil winding on the second insulating barrier, the secondary coil winding and is wound with the second insulation
Layer, first insulating barrier, second insulating barrier and the 3rd insulating barrier are insulating tape.
Further, the primary coil winding, the secondary coil winding and the shield winding are enamel-covered wire,
The shielding copper strips is copper foil.
Further, be provided with some lead-out wire separation troughs on the skeleton, the primary coil winding, secondary coil around
The lead-out wire of group, shield winding and the shielding copper strips by after the lead-out wire separation trough respectively with the corresponding stitch
It is connected.
The beneficial effects of the utility model are：Because the utility model is in the primary coil winding and the secondary coil
One layer of shield winding is wound between winding, the magnetic core is coated with one layer of shielding copper strips, and the both sides of the skeleton are provided with
Some stitch, the primary coil winding, secondary coil winding, the lead-out wire of shield winding and the shielding copper strips with it is corresponding
The stitch be connected, wherein the shield winding and the shielding copper strips are connected with the ground pin in the stitch
Connect, so, when transformer is arranged on pcb board, the ground pin is welded to the earth terminal on pcb board, the shielding
Electromagnetic interference signal can just be transmitted to ground by winding with the shielding copper strips, reach the purpose of shielding electromagnetic interference.
In addition, the utility model the primary coil winding, the shield winding and the secondary coil winding it
Between be respectively arranged with the first insulating barrier, the second insulating barrier and the 3rd insulating barrier, it is to avoid transformer short-circuit, it is ensured that security.
Meanwhile, lead-out wire separation trough is provided with the skeleton, be easy to the primary coil winding, secondary coil around
The lead-out wire of group, shield winding and the shielding copper strips is connected with the corresponding stitch.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model.
Embodiment
As shown in figure 1, in the present embodiment, the utility model includes magnetic core 1 and skeleton 2, the magnetic core 1 is set in institute
State on skeleton 2, be wound with coil windings on the skeleton 2, the coil windings include primary coil winding 3 and secondary coil around
Group 4, the skeleton 2 is I-shaped structure, and the primary coil winding 3 is wrapped in described successively with the secondary coil winding 4
On skeleton 2, one layer of shield winding 5, the magnetic are also wound between the primary coil winding 3 and the secondary coil winding 4
Core 1 is coated with one layer of shielding copper strips 6, and the both sides of the skeleton 2 are provided with six stitch 7, two of which be primary coil around
Group stitch, two be secondary coil winding stitch, two be ground pin, the primary coil winding 3, secondary coil winding 4,
Shield winding 5 and it is described shielding copper strips 6 lead-out wire be connected with the corresponding stitch 7, wherein the shield winding 5 with
And the shielding copper strips 6 is connected with the ground pin in the stitch 7., will be described when transformer is arranged on pcb board
Ground pin is welded to the earth terminal on pcb board, and the shield winding 5 can just believe electromagnetic interference with the shielding copper strips 6
Ground number is transmitted to, the purpose of shielding electromagnetic interference is reached.
In the present embodiment, the first insulating barrier 8, institute are wound between the primary coil winding 3 and the shield winding 5
State and the second insulating barrier 9 is wound between shield winding 5 and the secondary coil winding 4, the upper winding of the secondary coil winding 4
There is the 3rd insulating barrier 10, first insulating barrier 8, second insulating barrier 9 and the 3rd insulating barrier 10 are insulating cement
Band.Insulating barrier is set between every layer of winding, can avoid short circuit occur between transformer short-circuit winding, umber of turn changes,
Cause transformer cisco unity malfunction, also ensure that the security of transformer.
In the present embodiment, the primary coil winding 3, the secondary coil winding 4 and the shield winding 5 are
Enamel-covered wire, the shielding copper strips 6 is copper foil.Enamelled wire surface has insulating barrier, further ensures the insulating properties between winding, and
The shielding copper strips 6 uses copper foil, is because the shield effectiveness of copper foil is good.
In the present embodiment, some lead-out wire separation troughs, the primary coil winding 3, secondary are provided with the skeleton 2
Coil windings 4, shield winding 5 and it is described shielding copper strips 6 lead-out wire by after the lead-out wire separation trough respectively with it is corresponding
The stitch 7 be connected.It is easy to the primary coil winding, secondary coil winding, shield winding and the shielding copper strips
Lead-out wire be connected with the corresponding stitch.
The utility model is applied to the technical field of LED transformers.
Although embodiment of the present utility model is described with practical solution, do not constitute and the utility model is contained
The limitation of justice, for those skilled in the art, the group according to this specification to the modification of its embodiment and with other schemes
Conjunction will be apparent from.
Claims (4)
1. a kind of anti-tampering LED transformers, it includes magnetic core（1）And skeleton（2）, the magnetic core（1）It is set in the skeleton
（2）On, the skeleton（2）On be wound with coil windings, the coil windings include primary coil winding（3）With secondary coil around
Group（4）, it is characterised in that：The skeleton（2）For I-shaped structure, the primary coil winding（3）With the secondary coil around
Group（4）The skeleton is wrapped in successively（2）On, the primary coil winding（3）With the secondary coil winding（4）Between also twine
It is wound with one layer of shield winding（5）, the magnetic core（1）It is coated with one layer of shielding copper strips（6）, the skeleton（2）Both sides set
There are some stitch（7）, the primary coil winding（3）, secondary coil winding（4）, shield winding（5）And the shielding copper strips
（6）Lead-out wire and the corresponding stitch（7）It is connected, wherein the shield winding（5）And the shielding copper strips（6）
With the stitch（7）In ground pin be connected.
2. anti-tampering LED transformers according to claim 1, it is characterised in that：The primary coil winding（3）With it is described
Shield winding（5）Between be wound with the first insulating barrier（8）, the shield winding（5）With the secondary coil winding（4）Between twine
It is wound with the second insulating barrier（9）, the secondary coil winding（4）On be wound with the 3rd insulating barrier（10）, first insulating barrier
（8）, second insulating barrier（9）And the 3rd insulating barrier（10）It is insulating tape.
3. anti-tampering LED transformers according to claim 2, it is characterised in that：The primary coil winding（3）, it is described
Secondary coil winding（4）And the shield winding（5）It is enamel-covered wire, the shielding copper strips（6）For copper foil.
4. anti-tampering LED transformers according to claim 3, it is characterised in that：The skeleton（2）On be provided with some draw
Outlet separation trough, the primary coil winding（3）, secondary coil winding（4）, shield winding（5）And the shielding copper strips（6）
Lead-out wire by after the lead-out wire separation trough respectively with the corresponding stitch（7）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288775.2U CN206532685U (en) | 2017-03-23 | 2017-03-23 | Anti-tampering LED transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288775.2U CN206532685U (en) | 2017-03-23 | 2017-03-23 | Anti-tampering LED transformers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206532685U true CN206532685U (en) | 2017-09-29 |
Family
ID=59917818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720288775.2U Expired - Fee Related CN206532685U (en) | 2017-03-23 | 2017-03-23 | Anti-tampering LED transformers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206532685U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256269A (en) * | 2018-09-14 | 2019-01-22 | 江西欧美亚电子有限公司 | A kind of high shielding heat dissipation type transformer |
| CN109473265A (en) * | 2018-10-15 | 2019-03-15 | 珠海市崧源电子企业有限公司 | A kind of transformer and assemble method |
| CN110246668A (en) * | 2019-07-11 | 2019-09-17 | 罗定市嘉裕电子有限公司 | A kind of transformer framework and shielding tap treatment process |
-
2017
- 2017-03-23 CN CN201720288775.2U patent/CN206532685U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256269A (en) * | 2018-09-14 | 2019-01-22 | 江西欧美亚电子有限公司 | A kind of high shielding heat dissipation type transformer |
| CN109473265A (en) * | 2018-10-15 | 2019-03-15 | 珠海市崧源电子企业有限公司 | A kind of transformer and assemble method |
| CN109473265B (en) * | 2018-10-15 | 2021-03-19 | 珠海市崧源电子企业有限公司 | Transformer and assembling method |
| CN110246668A (en) * | 2019-07-11 | 2019-09-17 | 罗定市嘉裕电子有限公司 | A kind of transformer framework and shielding tap treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 |