CN209056363U - Transformer for pulsed filter - Google Patents
Transformer for pulsed filter Download PDFInfo
- Publication number
- CN209056363U CN209056363U CN201821586766.2U CN201821586766U CN209056363U CN 209056363 U CN209056363 U CN 209056363U CN 201821586766 U CN201821586766 U CN 201821586766U CN 209056363 U CN209056363 U CN 209056363U
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- China
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- pedestal
- side terminal
- primary side
- transformer
- iron core
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Abstract
A kind of transformer for pulsed filter of the utility model, including pedestal, iron core, primary side coil, secondary side coil, two primary side terminals and at least secondary stage side terminal, wherein iron core is cemented on the groove of pedestal, and iron core has two hollow pipelines, and by primary side coil and secondary side coil winding.Each primary side terminal and secondary side terminal include top section, interlude, bottom end, and the interlude with turn section is to be located in pedestal, and top section, bottom end are exposed to outside pedestal.Primary side coil and secondary side coil are the top sections being electrically connected respectively to primary side terminal and secondary side terminal, and the bottom stage of primary side terminal and secondary side terminal is to be electrically connected to the electric wiring of printed circuit board.Due to turn section, so the utility model is easy to weld, and high-frequency resistance is greatly reduced.
Description
Technical field
The utility model is about a kind of transformer for pulsed filter, especially with including top section, centre
The primary side terminal and primary side terminal arrangement of section and bottom end are in pedestal, and the turnover by being located at interlude in pedestal
Section prevents top section not to be too near to iron core and keeps best spacing to facilitate primary side coil, secondary side coil electrical connection
To corresponding top section, improve welding, and high-frequency resistance is greatly reduced.
Background technique
In network pulse transformer, power inductor is usually needed to use as main coil, and power inductor
Ideal characterisitics is that withstanding current capability is the bigger the better, and especially under miniaturization size, can reduce leakage by improving withstanding current capability
Magnetic improves piece electrical operating efficiency.
For having the SMD transformer of miniaturization size characteristic, the terminal of connection is by extending outwardly on the outside of ontology
It goes out, so terminal is in the outside of ontology, so that whole volume is comprising ontology and terminal, meeting relatively occupies printed circuit board
(PCB) space.For example, ontology be 10mm, and terminal be 3mm when, entire piece transformer is exactly 13mm, in addition the extraction of coil
End needs to extend outward and down towards terminal, causes extension longer, and welds also relatively time consuming, laborious.
Hence it is highly desirable to a kind of transformer for pulsed filter of innovation, using comprising top section, interlude with
And the primary side terminal and primary side terminal arrangement of bottom end be in pedestal, and the turn section by being located at interlude in pedestal to prevent
Only top section will not be too near to iron core and keep best spacing, and primary side coil, secondary side coil can be facilitated to be electrically connected to phase
Corresponding top section, and then improve soldering, and high-frequency resistance can be greatly reduced, it is asked with solving all of the above-mentioned prior art
Topic.
Utility model content
The main purpose of the utility model is to provide a kind of transformer for pulsed filter, including pedestal, iron core,
Primary side coil, secondary side coil, two primary side terminals and at least secondary stage side terminal, wherein pedestal has electric insulating quality,
And include groove, and iron core is cemented on the groove of pedestal.Iron core has two hollow pipelines, and each hollow pipeline is in iron
The biend of core has outlet opening, and the hollow pipeline as described in primary side coil and secondary side coil winding.
Further, each primary side terminal and secondary side terminal are similar L shape, and all comprising sequentially connect top section,
Interlude and bottom end, interlude are to be located in pedestal, and top section, bottom end are to be exposed to outside pedestal, wherein top section
It is proximate to the outlet opening of hollow pipeline, in particular, the interlude being located in pedestal has turn section, and bottom end is to pass through turn section
Towards iron core positioned at the bottom surface of pedestal.Generally speaking, all primary side terminals and all secondary side terminals are all
It is configured to the edge without departing from pedestal, also that is, primary side terminal and secondary side terminal will not increase the apparent size size of pedestal,
Occupied space can be reduced, the application field for needing light, thin, short, small characteristic is conducive to.
In addition, primary side coil and secondary side coil are the tops being electrically connected respectively to primary side terminal and secondary side terminal
Section, and the bottom stage of primary side terminal and secondary side terminal is to be electrically connected to the electric wiring of printed circuit board (PCB),
Such as in a manner of surface mount.
Due to turn section, so top section will not be too near to iron core, it is able to maintain optimal spacing, bottom end is facilitated to be aligned
The contact of PCB is easy welding, will not fall off easily.In addition, turn section can also reduce high-frequency resistance, improve electrical quality.Again
Person, primary side coil, the major part of secondary side coil be in the inside for being wound around hollow pipeline, so leakage field can be greatly reduced,
Improve electrical signal intensity.
This case feature be terminal have top section and bottom end be it is exposed, interlude be in pedestal and have turn section, end
The sub whole edge without departing from pedestal, therefore occupied space can be reduced.In addition, horizontal hollow pipeline just allows the extraction of coil
End is corresponding and close to terminal, and easy connection is extremely easy to weld, it is not easy to fall off.Furthermore terminal has turn section, can make terminal
Top will not be too near to iron core, thus terminal bottom can still correspond exactly to the contact of PCB.
In particular, the turn section of terminal is available to be effectively reduced high-frequency resistance, because of any discontinuity of HF link layout
All serious shadow electrical communications characteristic, and acute angle turnover will increase the capacitor of per unit length, and the inductance meeting of per unit length
It reduces.Therefore, the utility model is specifically designed out turn section, by solve the above problems.
Detailed description of the invention
Schematic diagram of Fig. 1 display according to the utility model first embodiment for the transformer of pulsed filter.
Schematic diagram of Fig. 2 display according to the utility model second embodiment for the transformer of pulsed filter.
Wherein, the reference numerals are as follows:
10 pedestals
11 grooves
20 iron cores
21 hollow pipelines
22 outlet openings
30 primary side coils
40 secondary side coils
50 primary side terminals
60 grade side terminals
61 top sections
62 interludes
62A turn section
63 bottom ends
70 printed circuit boards (PCB)
71 electric wirings
Specific embodiment
Icon and component symbol is cooperated to do more detailed description to the embodiments of the present invention below, so that being familiar with this
Item those skilled in the art can implement accordingly after studying this specification carefully.
Referring to FIG. 1, respectively the utility model first embodiment for pulsed filter transformer schematic diagram and
Circuit diagram.As shown in Figure 1, the transformer for pulsed filter of the utility model first embodiment include pedestal 10,
The primary side terminal 50 of iron core 20, primary side coil 30, secondary side coil 40, two and at least secondary stage side terminal 60.It is noted that
, single primary side terminal 50 and single secondary side are only shown for convenience of description the characteristics of the utility model, in figure
Son 60, is to be set to pedestal 10.
It specifically, pedestal 10 has electric insulating quality, and include groove 11, and iron core 20 is the groove for being sticked in pedestal
11.In addition, iron core 20 has two hollow pipelines 21 being separated from each other, and each hollow pipeline 21 is in the biend point of iron core 20
Not Ju You outlet opening 22, and the hollow pipeline 21 as described in 60 winding of primary side coil 50 and secondary side coil, and each other not
Electrical connection.
Each primary side terminal 50 and secondary side terminal 60 are with similar L-shaped appearance, and include sequentially connection or one
Body formed top section, interlude and bottom end, and primary side coil 50 and secondary side coil 60 be electrically connected respectively to
The top section of primary side terminal 50 and secondary side terminal.By taking secondary side terminal 60 as an example, secondary side terminal 60 is comprising top section
61, interlude 62 and bottom end 63, and interlude 62 is to be located in pedestal 10, and top section 61, bottom end 63 are to be exposed to
Outside pedestal 10, wherein top section 61 is proximate to the outlet opening 22 of hollow pipeline 21.In addition, bottom end 63 is with 90 degree of positive L-type
Angle connects interlude 62, and towards iron core 20 and positioned at the bottom surface of pedestal 10.
Furthermore, bottom end 63 can be electrically connected by welding manner to the electricity of printed circuit board (PCB) 70
Gas route 71, such as surface mount technology (SMT).
Generally speaking, all primary side terminals 50 and all secondary side terminals 60 are all arranged to without departing from pedestal 10
Edge, and the part of top section 61 is also no more than the top surface of iron core 20, and wherein the top surface of iron core 20 is relative to 20 quilt of iron core
It is bonding on the one side of substrate, also that is, primary side terminal 50 and secondary side terminal 60 not will increase the overall appearance size of pedestal 11
Size, thus occupied space can be reduced, be conducive to the application field for needing light, thin, short, small characteristic.
With further reference to Fig. 2, schematic diagram of the utility model second embodiment for the transformer of pulsed filter.Such as figure
Shown in 2, the second embodiment of the utility model is analogous to first embodiment, similarly includes pedestal 10, iron core 20, primary side
The primary side terminal 50 of coil 30, secondary side coil 40, two and at least secondary stage side terminal 60, and main difference therebetween is
The transformer of second embodiment is that the interlude 62 in pedestal 11 is specifically arranged to turn section 62A, and bottom end 63
It is the bottom surface for being located at pedestal 10 towards iron core 20 by turn section 62A.
In particular, it includes at least two bending angles that the turn section 62A of second embodiment, which is substantially, two bending angles are only shown in figure
Exemplary embodiment, and the range of each bending angle is preferably between 30~60 degree, to provide reduction high-frequency resistance
Function, it is 45 degree especially optimal, thus reach interlude 62 to and the whole turning of bottom end 63 be an angle of 90 degrees, be different from
The interlude 62 of first embodiment is the direction that bottom end 63 is gone to by single an angle of 90 degrees bending.Furthermore,
Specific effect of two embodiments is can to slow down the discontinuity of electric wiring layout, reduces the capacitor of per unit length, and increase
The inductance of per unit length, and then high-frequency resistance is effectively reduced, improve the transmission quality of electric signal.
In conclusion the characteristics of the utility model, is to utilize the primary side comprising top section, interlude and bottom end
Terminal and primary side terminal arrangement are in pedestal, and the turn section by being located at interlude in pedestal, prevent top section from will not lean on very much
Nearly iron core and keep best spacing to facilitate the contact of bottom end alignment PCB, and improve welding and by primary side coil, primary side
Coil electric is connected to corresponding top section, while horizontal hollow pipeline can just allow the exit of coil corresponding and close
Terminal, so being easy to welding without falling off easily.Furthermore the whole edge without departing from pedestal of terminal, thus institute can be reduced
The space occupied improves the service efficiency of PCB.
In addition, the turn section of the utility model interlude can also reduce high-frequency resistance, improve electrical quality, in particular, primary
Lateral coil, secondary side coil major part be so leakage field can be greatly reduced, to be improved electrical in the inside for being wound around hollow pipeline
Signal strength.
The foregoing is merely the preferred embodiment to explain the utility model, it is not intended to accordingly do the utility model
Limitation in any form, therefore, it is all have make any modification in relation to the utility model under identical utility model spirit
Or change, it all should include being intended to the scope of protection in the utility model.
Claims (7)
1. a kind of transformer for pulsed filter, to provide power filter function characterized by comprising
One pedestal has electric insulating quality, and includes a groove；
One iron core is cemented on the groove of the pedestal, and has two hollow pipelines being separated from each other, and the hollow pipeline is at this
The biend of iron core respectively has an outlet opening；
One primary side coil, if the hollow pipeline；
One secondary side coil, if the hollow pipeline, and it is not electrically connected the primary side coil；
At least two primary side terminals, are to be set to the pedestal；And
At least secondary stage side terminal is to be set to the pedestal,
Wherein the primary side terminal and the secondary side terminal, which have, is similar to a L-shaped appearance, and includes a top section, among one
Section and a bottom end, the interlude are to be located in the pedestal, and the top section, the bottom end are to be exposed to outside the pedestal, should
Top section is proximate to the outlet opening of the hollow pipeline, the primary side coil and the secondary side coil be electrically connected respectively it is first to this
The top section of grade side terminal and the secondary side terminal, which be electrically connected by a welding manner to a printed circuit
One electric wiring of plate.
2. being used for the transformer of pulsed filter as described in claim 1, which is characterized in that the welding manner is a SMT table
Face mount technology.
3. being used for the transformer of pulsed filter as described in claim 1, which is characterized in that the primary side terminal and the secondary
Side terminal is arranged to the edge without departing from the pedestal, the overall appearance size without will increase the pedestal.
4. being used for the transformer of pulsed filter as described in claim 1, wherein the iron core fastener is in the groove.
5. being used for the transformer of pulsed filter as described in claim 1, which is characterized in that the primary side terminal and the secondary
The top section of side terminal is no more than the top surface of the iron core.
6. being used for the transformer of pulsed filter as described in claim 1, which is characterized in that the interlude has a turnover
Section, and the bottom end is to be located at a bottom surface of the pedestal towards the iron core by the turn section.
7. being used for the transformer of pulsed filter as claimed in claim 6, which is characterized in that the turn section includes at least two curved
Dog-ear, and each bending angle is between 30~60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586766.2U CN209056363U (en) | 2018-09-28 | 2018-09-28 | Transformer for pulsed filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586766.2U CN209056363U (en) | 2018-09-28 | 2018-09-28 | Transformer for pulsed filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209056363U true CN209056363U (en) | 2019-07-02 |
Family
ID=67049651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821586766.2U Active CN209056363U (en) | 2018-09-28 | 2018-09-28 | Transformer for pulsed filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209056363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970206A (en) * | 2018-09-28 | 2020-04-07 | 范云光 | Transformer for pulse filter |
-
2018
- 2018-09-28 CN CN201821586766.2U patent/CN209056363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970206A (en) * | 2018-09-28 | 2020-04-07 | 范云光 | Transformer for pulse filter |
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