CN216648021U - Ultrathin flat inductor - Google Patents
Ultrathin flat inductor Download PDFInfo
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- CN216648021U CN216648021U CN202122564295.3U CN202122564295U CN216648021U CN 216648021 U CN216648021 U CN 216648021U CN 202122564295 U CN202122564295 U CN 202122564295U CN 216648021 U CN216648021 U CN 216648021U
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Abstract
The utility model discloses an ultrathin flat inductor, which comprises: the coil comprises a base, a magnetic core arranged on the base and two coils wound on the magnetic core; the base includes: the connecting device comprises two fixing seats, a connecting table for connecting the two fixing seats and a partition plate arranged on the connecting table, wherein the fixing seats are provided with inner grooves, and clamping grooves are formed in two sides of the connecting table; the magnetic core is in a square shape, and the partition plate is arranged in the magnetic core and used for isolating the two coils; the two ends of the magnetic core are respectively arranged in the inner grooves of the two fixing seats, and the two coils are respectively arranged in the two clamping grooves. According to the utility model, the magnetic core and the coil are sunk in the base, so that the overall thickness can be effectively reduced, and the overall volume is reduced; the wire hanging is convenient, the automatic operation is facilitated, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the field of inductors, in particular to an ultrathin flat inductor.
Background
The inductor in the prior art has the following problems: 1. the size is high, the volume is large, and after the circuit board is connected, the height of the bulge is high, so that when the circuit board is applied to a product, the required installation space is large; 2. when the paint is applied, the temperature rise is high, the paint is easy to damage, and the service life is short; 3. inconvenient wire winding's hanging wire leads to inconvenient automation mechanized operation, and work efficiency is lower.
Thus, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides an ultrathin flat inductor and solves the problems that in the prior art, the inductor is high in size and large in size, the height of a bulge is high after the inductor is connected with a circuit board, and the inductor needs a large installation space when applied to a product and is not beneficial to product miniaturization; the problem that the inductor is easy to damage due to the fact that the temperature of the inductor rises in the prior art is solved; the problem of inductance wire winding hanging inconvenience, inconvenient automation mechanized operation is solved.
The technical scheme of the utility model is as follows: an ultra-thin flat inductor comprising: the coil comprises a base, a magnetic core arranged on the base and two coils wound on the magnetic core; the base includes: the connecting device comprises two fixing seats, a connecting table for connecting the two fixing seats and a partition plate arranged on the connecting table, wherein the fixing seats are provided with inner grooves, and clamping grooves are formed in two sides of the connecting table; the magnetic core is in a square shape, and the partition plate is arranged in the magnetic core and used for isolating the two coils; the two ends of the magnetic core are respectively arranged in the inner grooves of the two fixing seats, and the two coils are respectively arranged in the two clamping grooves.
Furthermore, the coils are made by winding wires with flat sections, and the winding directions of the two coils are opposite.
Furthermore, the bottom of one of the two fixing seats is provided with two wire inlet grooves, the bottom of the other fixing seat is provided with two wire outlet grooves, wire inlet hitching legs are arranged in the wire inlet grooves, and wire outlet hitching legs are arranged in the wire outlet grooves.
Furthermore, the wire inlet end of the coil is connected with the wire inlet hanging pin, and the wire outlet end of the coil is connected with the wire outlet hanging pin.
Furthermore, the upper sides of the two fixing seats are provided with two pins.
Furthermore, the upper side of the connecting table and the bottom surface of the inner groove are in the same horizontal plane, the connecting table is in a quadrangular frustum pyramid shape, and the side surface of the connecting table, which is close to the clamping groove, is abutted to the coil.
Furthermore, wire passing grooves are formed among the wire inlet groove, the clamping groove, the wire outlet groove and the clamping groove.
Further, the magnetic core is integrally molded.
By adopting the scheme, the utility model provides the ultrathin flat inductor which has the following beneficial effects:
1. the magnetic core and the coil are sunk in the base, so that the overall thickness can be effectively reduced, and the overall volume is reduced;
2. The inductor is integrally embedded into the mounting groove in the circuit board in an inverted manner, so that after the inductor is connected with the circuit board, the height of the bulge is lower, the thickness of the circuit board on which the inductor is mounted is reduced, the required mounting volume is smaller when the inductor is applied to a specific product, the height of the product is controlled, the miniaturization and the microminiaturization of related products are facilitated, and the practicability is high;
3. the coil is made by winding flat wires, so that turns are close and flat, the effective area of the wires is increased, the limited assembly space of the magnetic core is fully utilized, the copper loss is greatly reduced, the accessible current is increased, the integral temperature rise is reduced, and the service life of the coil is effectively prolonged;
4. the wire hanging is convenient, the automatic operation is facilitated, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the base of the present invention;
FIG. 4 is a schematic view of another angle of the base of the present invention;
fig. 5 is a schematic structural diagram of the present invention when mounted on a circuit board.
Wherein: the magnetic core type coil fixing device comprises a base 1, a fixing seat 10, a connecting table 11, a partition plate 12, an inner groove 13, a clamping groove 14, a wire inlet groove 15, a wire outlet groove 16, a wire passing groove 17, a magnetic core 2, a coil 3, a wire inlet hanging pin 4, a wire outlet hanging pin 5, a pin 6 and a circuit board 7.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 to 5, the present invention provides an ultra-thin flat inductor, including: the coil comprises a base 1, a magnetic core 2 arranged on the base 1 and two coils 3 wound on the magnetic core 2; the base 1 includes: the fixing device comprises two fixing seats 10, a connecting table 11 for connecting the two fixing seats 10 and a partition plate 12 arranged on the connecting table 11, wherein an inner groove 13 is formed in each fixing seat 10, and clamping grooves 14 are formed in two sides of each connecting table 11; the magnetic core 2 is in a shape of a square, and the partition plate 12 is arranged in the magnetic core 2 and used for isolating the two coils 3; the two ends of the magnetic core 2 are respectively arranged in the inner grooves 13 of the two fixing seats 10, and the two coils 3 are respectively arranged in the two clamping grooves 14. The two fixing seats 10 are provided with the inner grooves 13, the two ends of the magnetic core 2 are fixed in the inner grooves 13, so that the magnetic core 2 and the base 1 are in a sinking state after being assembled, the two coils 3 are positioned in the two clamping grooves 14 and do not contact with the two fixing seats 10, the two coils 3 can be isolated by the partition plate 12 on the connecting table 11, short circuit is prevented, and compared with the prior art, the magnetic core 2 and the coils 3 are sunk in the base 1, so that the overall thickness can be effectively reduced, and the size is reduced; when the ultrathin flat inductor is installed on the circuit board 7, the circuit board 7 can be provided with the installation groove, and the whole body of the ultrathin flat inductor is reversely embedded into the installation groove on the circuit board 7, so that the height of the bulge is lower after the ultrathin flat inductor is connected with the circuit board 7, the thickness of the whole body of the circuit board 7 after the inductor is installed is reduced, the required installation volume is smaller when the ultrathin flat inductor is applied to a specific product, the height of the product is controlled, the miniaturization and the microminiaturization of related products are facilitated, and the practicability is high.
Specifically, in the present embodiment, the coil 3 is formed by winding a conductive wire having a flat cross section, and the winding directions of the two coils 3 are opposite to each other. The ultrathin flat inductor is made by winding flat wires, so that turns are close and flat, the effective area of the wires is increased, the limited assembly space of the magnetic core 2 is fully utilized, the lowest Direct Current Resistance (DCR) is achieved under the condition of the same volume, the copper loss of the ultrathin flat inductor is greatly reduced, the accessible current is increased, the integral temperature rise is reduced, and the service life of the ultrathin flat inductor is effectively prolonged.
Specifically, in this embodiment, two wire inlet grooves 15 are formed in the bottom of one fixing seat 10 of the two fixing seats 10, two wire outlet grooves 16 are formed in the bottom of the other fixing seat 10, wire inlet hitching legs 4 are arranged in the wire inlet grooves 15, and wire outlet hitching legs 5 are arranged in the wire outlet grooves 16; the wire inlet end of the coil 3 is connected with the wire inlet hitching leg 4, and the wire outlet end of the coil is connected with the wire outlet hitching leg 5; wire passing grooves 17 are respectively arranged between the wire inlet groove 15 and the clamping groove 14, and between the wire outlet groove 16 and the clamping groove 14, the wire inlet groove 15 is communicated with the wire passing groove 17 on one side, and the wire outlet groove 16 is communicated with the wire passing groove 17 on one side; during assembly, a lead at the wire inlet end of the coil 3 passes through the wire passing groove 17 to enter the wire inlet groove 15 and is fixed on the wire inlet hanging pin 4, a lead at the wire outlet end of the coil 3 passes through the wire passing groove 17 to enter the wire outlet groove 16 and is fixed on the wire outlet hanging pin 5, the wire inlet groove 15 and the wire outlet groove 16 are arranged to protect the wire inlet hanging pin 4 and the wire outlet hanging pin 5, and compared with the arrangement method that the wire inlet hanging pin 4 and the wire outlet hanging pin 5 are directly arranged on the surface of the base 1 in the prior art to enable the wire inlet hanging pin 4 and the wire outlet hanging pin 5 to be in a convex state, the arrangement method is arranged in the wire inlet groove 15 and the wire outlet groove 16, so that the installation space required by the whole can be further reduced; meanwhile, the ultrathin flat inductor is in a flip-chip state, so that the incoming wire hanging pin 4 and the outgoing wire hanging pin 5 are in a state of being right-side-up after being arranged on the circuit board 7, the automatic operation is facilitated, and the production efficiency is effectively improved.
Specifically, in this embodiment, two pins 6 are disposed on the upper sides of the two fixing bases 10; because the ultrathin flat inductor is in the inverted state, when the ultrathin flat inductor is installed, the pins 6 are inserted into the corresponding slots in the installation grooves on the circuit board 7, so that the ultrathin flat inductor plays a role in connection and can play a role in positioning when being installed.
Specifically, in the present embodiment, the upper side surface of the connecting platform 11 is at the same level as the bottom surface of the inner groove 13, the connecting platform 11 is in a quadrangular frustum pyramid shape, and the side surface thereof close to the locking groove 14 abuts against the coil 3; the connection table 11 is set to be in a quadrangular frustum pyramid state, the side, close to the clamping groove 14, of the connection table 11 is an inclined plane, after the magnetic core 2, the coil 3 and the base 1 are assembled, the connection table 11 is in contact with the magnetic core 2, the magnetic core 2 is clamped between the two fixing seats 10, the two coils 3 are in contact with the connection table 11, and the connection table 11 is matched with the two fixing seats 10 and the partition plate 12 after the assembly to play a role in fixing the magnetic core 2 and the coils 3.
Specifically, in this embodiment, 2 integrated into one piece of magnetic core, and magnetic core 2 are the mouth font, make things convenient for the production equipment, can avoid simultaneously because of the 2 center pillars of magnetic core open the problem that the air gap leads to forming the eddy current loss, avoid coil 3 to generate heat to improve work efficiency.
In summary, the utility model provides an ultra-thin flat inductor, which has the following beneficial effects:
1. the magnetic core and the coil are sunk in the base, so that the overall thickness can be effectively reduced, and the overall volume is reduced;
2. the inductor is integrally embedded into the mounting groove on the circuit board in an inverted manner, so that the height of the bulge is lower after the inductor is connected with the circuit board, the thickness of the whole circuit board after the inductor is mounted is reduced, the required mounting volume is smaller when the inductor is applied to a specific product, the height of the product is controlled, the miniaturization and the microminiaturization of related products are facilitated, and the practicability is high;
3. the coil is made by winding flat wires, so that turns are tightly and flatly arranged, the effective area of the wires is increased, the limited splicing space of the magnetic core is fully utilized, the copper loss is greatly reduced, the accessible current is increased, the integral temperature rise is reduced, and the service life of the coil is effectively prolonged;
4. the wire hanging is convenient, the automatic operation is facilitated, and the production efficiency is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An ultra-thin flat inductor, comprising: the coil comprises a base, a magnetic core arranged on the base and two coils wound on the magnetic core; the base includes: the connecting device comprises two fixed seats, a connecting table for connecting the two fixed seats and a partition plate arranged on the connecting table, wherein the fixed seats are provided with inner grooves, and clamping grooves are formed in two sides of the connecting table; the magnetic core is in a square shape, and the partition plate is arranged in the magnetic core and used for isolating the two coils; the two ends of the magnetic core are respectively arranged in the inner grooves of the two fixing seats, and the two coils are respectively arranged in the two clamping grooves.
2. The ultra-thin flat inductor as claimed in claim 1, wherein the coils are made by winding a conductive wire having a flat cross section, and the winding directions of the two coils are opposite.
3. The ultra-thin flat inductor as claimed in claim 1, wherein the bottom of one of the two holders is provided with two wire inlet slots, the bottom of the other holder is provided with two wire outlet slots, the wire inlet slots are provided with wire inlet hitches, and the wire outlet slots are provided with wire outlet hitches.
4. The ultra-thin flat inductor according to claim 3, wherein the incoming line end of the coil is connected to the incoming line hanger pin, and the outgoing line end is connected to the outgoing line hanger pin.
5. The ultra-thin flat inductor as claimed in claim 1, wherein the two fixing bases are provided with two pins on the upper side.
6. The ultra-thin flat inductor as claimed in claim 1, wherein the upper side of the connecting platform is at the same level as the bottom of the inner recess, the connecting platform is in the shape of a rectangular frustum of a pyramid, and the side of the connecting platform adjacent to the locking recess abuts against the coil.
7. The ultra-thin flat inductor according to claim 4, wherein wire passing grooves are disposed between the wire inlet groove and the position clamping groove, and between the wire outlet groove and the position clamping groove.
8. The ultra-thin flat inductor as claimed in claim 1, wherein the magnetic core is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564295.3U CN216648021U (en) | 2021-10-22 | 2021-10-22 | Ultrathin flat inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564295.3U CN216648021U (en) | 2021-10-22 | 2021-10-22 | Ultrathin flat inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216648021U true CN216648021U (en) | 2022-05-31 |
Family
ID=81731068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122564295.3U Active CN216648021U (en) | 2021-10-22 | 2021-10-22 | Ultrathin flat inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216648021U (en) |
-
2021
- 2021-10-22 CN CN202122564295.3U patent/CN216648021U/en active Active
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