CN207441432U - A kind of boss heavy-current inductor - Google Patents
A kind of boss heavy-current inductor Download PDFInfo
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- CN207441432U CN207441432U CN201721305824.5U CN201721305824U CN207441432U CN 207441432 U CN207441432 U CN 207441432U CN 201721305824 U CN201721305824 U CN 201721305824U CN 207441432 U CN207441432 U CN 207441432U
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- boss
- magnetic core
- coil
- heavy
- current inductor
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Abstract
The utility model discloses a kind of boss heavy-current inductors, including upper magnetic core (1), lower magnetic core (2), coil (4), further include the fixed pedestal (3) for being bonded in magnetic core (1) or lower magnetic core (2), the pedestal (3) is set there are two long boss, and the long boss (5) is equipped with plug-in unit prosthetic foot (7)；The coil (4) is formed by flat copper wire coiling, and the input terminal and output terminal of coil (4) are each perpendicular to coil tangential direction downward bending, directly as the current inductance electrode pin (10) to connect with PCB.The utility model is simple in structure, good anti-vibration, while heat resistance improves, and loss is low, efficient.
Description
Technical field
The utility model is related to the technical field of basic inductance component, more particularly to a kind of boss heavy-current inductor.
Background technology
At present, inductance is widely used in daily electronic equipment, and increasing electric current, induction structure are undertaken in order to meet
It is bigger, but the substantial amounts of device space is occupied, with the development of SMT (surface mounting technology), there is patch electric current electricity
Sense can realize miniaturization, and carrying electric current is big, especially suitable for narrow space, but in the high oscillation ring such as automobile, mechanized equipment
Under border, due to magnetic core and magnetic core adhesive strength deficiency, it is easy to cause magnetic core and comes off, inductance is caused to fail；Most of patch simultaneously
Current inductance carries high current, generates substantial amounts of heat, is directly connected with pcb board and is susceptible to overheat short-circuit conditions；It is big at present
Coil sections need external terminal that it is bad to be susceptible to open contacts as electrode；Since most of patch current inductance only has 2
~4 pins are welded with pcb board, and it is not high to be susceptible to flatness, the problems such as rosin joint, missing solder occurs；Present heavy-current inductor one
As using manganese-zinc ferrite class magnetic core, to increase saturation, it is necessary to set air gap, loss is big, and efficiency is low.
Utility model content
The purpose of this utility model is just to provide a kind of boss heavy-current inductor, can be to avoid the sense of high current point in the pcb
Welding is unstable and overheat is short-circuit.
Above-mentioned technical problem is solved, technical solution is as follows used by the utility model：
A kind of boss heavy-current inductor, including upper magnetic core, lower magnetic core, coil, which is characterized in that further include fixation and be bonded in
The pedestal of upper magnetic core or lower magnetic core, the pedestal are set there are two long boss, and the long boss is equipped with plug-in unit prosthetic foot；The coil
It being formed by flat copper wire coiling, the input terminal and output terminal of coil are each perpendicular to coil tangential direction downward bending, directly as
The current inductance electrode pin to connect with PCB.
On the basis of the above, the utility model has following various structures and improvement：
Further, the electrode pin across pedestal position be additionally provided with two short boss, the short boss is equipped with
Slot, electrode pin are drawn through slot.
Further, the long boss (5) is respectively symmetrically fixed on the bottom surface both sides of pedestal, and the short boss is respectively symmetrically
It is fixed on the middle part of the other two sides of pedestal.
Further, each long boss is equipped with 3~6 plug-in unit prosthetic foots, and is uniformly distributed at equal intervals.
Further, the plug-in unit prosthetic foot is cylinder strip.
Further, the upper magnetic core is bonded with lower magnetic core forms square cavity.
Further, the upper magnetic core, the surface of lower magnetic core are equipped with to place the arc side open recess of coil, and arc side is opened
Stomatodeum groove center is equipped with the round center pillar for fixed coil.
Further, the upper magnetic core is made with lower magnetic core by iron silica hybrid material by high temperature sintering.
Further, being bonded between the upper magnetic core and lower magnetic core is bonded by glue.
Compared with prior art, the utility model has the advantages that：
(1) the utility model uses the current inductance loop construction of above-mentioned technical proposal, is formed by flat copper wire coiling, increases
Add the utilization rate in space, can be even closer between coil, reduce parasitic capacitance, while compared with cylinder copper wire winding structure,
The structure of pancake helix is more conducive to radiate；
(2) input terminal of the utility model coil is not required outer with output terminal directly as current inductance electrode pin
Receiving electrode terminal reduces weld since missing solder causes loose contact or situation about opening a way occurs；
(3) long boss of the utility model on pedestal is equipped with 6 plug-in unit prosthetic foots, also has 2 electrode pins of coil, electric current
For inductance when being welded on pcb board, plug-in unit prosthetic foot can be pre-positioned current inductance the position specified on pcb board, realize
Fast accurate welds, and increases with the welding point of pcb board, and situations such as avoiding the occurrence of rosin joint, missing solder, connection is more secured,
It vibrates under larger environment using also loosening not easy to fall off, avoids opening a way；
(4) the utility model is equipped with pedestal between magnetic core and pcb board, and pedestal is equipped with boss, and current inductance carrying is big
Electric current causes largely to generate heat, and pedestal is bonded with core plan, and due to adding boss, gap is formed between current inductance and pcb board,
Heat is transmitted to air by gap, effectively reduces temperature, avoids heat and is directly transferred on pcb board, effectively heat-insulated, prevents
The element normal work on pcb board is influenced, adds insulating properties and heat resistance；
(5) the upper magnetic core of the utility model is made with lower magnetic core by iron silica hybrid material, by high temperature sintering,
Can form even air gap on magnetic core, and need not individually opening air gap on column increases saturation in a circle, reduce loss.
Description of the drawings
Fig. 1 is a kind of boss heavy-current inductor positive structure schematic of the utility model.
Fig. 2 is a kind of boss heavy-current inductor bottom surface structure schematic diagram of the utility model.
Fig. 3 is a kind of boss heavy-current inductor loop construction schematic diagram of the utility model.
Fig. 4 is a kind of core structure schematic diagram of boss heavy-current inductor of the utility model.
Fig. 5 is a kind of understructure schematic diagram of boss heavy-current inductor of the utility model.
Mark on attached drawing：Magnetic core, 3- pedestals, 4- coils, 5- long boss, the short boss of 6-, 7- plug-in units under the upper magnetic cores of 1-, 2-
Prosthetic foot, 8- slot electrodes, 9- circles center pillar, 10- electrode pins.
Specific embodiment
With reference to being specifically illustrating, the utility model is expanded on further.
Such as Fig. 1~4, a kind of boss heavy-current inductor of the present embodiment, including upper magnetic core 1, lower magnetic core 2, coil 4 and pedestal
3, upper magnetic core 1 be bonded with lower magnetic core 2 form square cavity, between upper magnetic core 1 and lower magnetic core 2 face paste conjunction be by glue bonding and
Into.It is equipped with to place the arc side open recess of coil 4, arc side open recess center in the inner surface of upper magnetic core 1, lower magnetic core 2
Equipped with the round center pillar 9 for fixed coil, overall current induction structure is compact, simultaneously because magnetic core both sides opening, air
Circulation, is conducive to radiate.Upper magnetic core 1 is made with lower magnetic core 2 by iron silica hybrid material, by high temperature sintering, in magnetic core
On can form even air gap, and need not individually opening air gap on column 9 increases saturation in a circle, reduce loss.
Coil 4 is formed by flat copper wire coiling, adds the utilization rate in space using flat copper wire coiling, meeting between coil
It is even closer, parasitic capacitance is reduced, while is more conducive to dissipate with respect to the structure with cylinder copper wire winding structure, pancake helix
Heat.The input terminal and output terminal of coil 4 are each perpendicular to coil tangential direction downward bending, directly as the electric current to connect with PCB
External electrode terminal is so not required in inductance electrode pin 10, reduces weld since missing solder causes loose contact or opens
The situation on road.
Pedestal 3 is bonded in the bottom surface of the lower magnetic core 2 of 10 lead direction of electrode pin by glue fixation, and pedestal 3 is equipped with two
A long boss, long boss 5 are equipped with plug-in unit prosthetic foot 7；Electrode pin 10 across pedestal position can also add there are two short boss,
Short boss 5 is equipped with slot 8, and electrode pin 10 is drawn through slot, to consolidate electrode pin.
Such as Fig. 1~2,5, long boss 5 is respectively symmetrically fixed on the bottom surface both sides of pedestal 3, and the short boss 6 is respectively symmetrically solid
The middle part of the other two sides of pedestal 3 is scheduled on, current inductance carrying high current causes largely to generate heat, and pedestal is bonded with core plan,
Due to adding long boss 5, gap is formed between current inductance and pcb board, heat is transmitted to air by gap, effectively reduces
Temperature avoids heat and is directly transferred on pcb board, effectively heat-insulated, prevents from influencing the element normal work on pcb board, increases
Insulating properties and heat resistance.
Each long boss 5 is equipped with 3 plug-in unit prosthetic foots 7, and prosthetic foot quantity can be corresponding according to actual base shape and size
Increase and decrease, and be distributed at equal intervals, plug-in unit prosthetic foot 7 is cylindrical bars, and length is 5mm or so, and plug-in unit prosthetic foot 7 can be pre- current inductance
The position specified on pcb board is located in, realizes fast accurate welding, and increases the welding point with pcb board, avoids the occurrence of void
Situations such as weldering, missing solder, connection is more secured, in the case where vibrating larger environment using also loosening not easy to fall off, avoids opening a way.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of boss heavy-current inductor, including upper magnetic core (1), lower magnetic core (2), coil (4), which is characterized in that further include solid
Surely it is bonded in the pedestal (3) of magnetic core (1) or lower magnetic core (2), the pedestal (3) sets that there are two long boss, the long boss (5)
It is equipped with plug-in unit prosthetic foot (7)；The coil (4) is formed by flat copper wire coiling, and the input terminal and output terminal of coil (4) are vertical
In coil tangential direction downward bending, directly as the current inductance electrode pin (10) to connect with PCB.
2. a kind of boss heavy-current inductor according to claim 1, which is characterized in that the electrode pin (10) across
Pedestal position is additionally provided with two short boss, and the short boss (6) is equipped with slot (8), and electrode pin (10) is drawn through slot.
3. a kind of boss heavy-current inductor according to claim 1, which is characterized in that the long boss (5) is respectively symmetrically
It is fixed on the bottom surface both sides of pedestal (3).
4. a kind of boss heavy-current inductor according to claim 3, which is characterized in that each long boss (5) is equipped with 3
~6 plug-in unit prosthetic foots (7), and be uniformly distributed at equal intervals.
5. a kind of boss heavy-current inductor according to claim 4, which is characterized in that the plug-in unit prosthetic foot (7) is cylinder
Strip.
6. a kind of boss heavy-current inductor according to claim 1, which is characterized in that the upper magnetic core (1) and lower magnetic core
(2) fitting forms square cavity.
7. a kind of boss heavy-current inductor according to claim 1, which is characterized in that the upper magnetic core (1), lower magnetic core
(2) surface is equipped with to place the arc side open recess of coil, and arc side open recess center is equipped with the circle for fixed coil
Type center pillar (9).
8. a kind of boss heavy-current inductor according to claim 1, which is characterized in that the upper magnetic core (1) and lower magnetic core
(2) it is made by iron silica hybrid material by high temperature sintering.
9. a kind of boss heavy-current inductor according to claim 2, which is characterized in that the upper magnetic core (1) and lower magnetic core
(2) fitting is bonded by glue between.
10. a kind of boss heavy-current inductor according to claim 2, which is characterized in that the short boss (6) is respectively symmetrically
It is fixed on the middle part of the other two sides of pedestal (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305824.5U CN207441432U (en) | 2017-10-11 | 2017-10-11 | A kind of boss heavy-current inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305824.5U CN207441432U (en) | 2017-10-11 | 2017-10-11 | A kind of boss heavy-current inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441432U true CN207441432U (en) | 2018-06-01 |
Family
ID=62295784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721305824.5U Active CN207441432U (en) | 2017-10-11 | 2017-10-11 | A kind of boss heavy-current inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441432U (en) |
-
2017
- 2017-10-11 CN CN201721305824.5U patent/CN207441432U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 3401-3405, Building 11, Tian'an Yungu Industrial Park Phase II (Plot 02-08), Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong Patentee after: SHENZHEN CODACA ELECTRONIC Co.,Ltd. Address before: 518000 A, Floor 2, Building 2, Yongchuang Science Park, Keji Second Road, Shangxue Science and Technology City, Bantian Street, Longgang District, Shenzhen, Guangdong Patentee before: SHENZHEN CODACA ELECTRONIC Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |