CN215118587U - Magnetic ring inductor coated with silicon resin layer - Google Patents
Magnetic ring inductor coated with silicon resin layer Download PDFInfo
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- CN215118587U CN215118587U CN202121677735.XU CN202121677735U CN215118587U CN 215118587 U CN215118587 U CN 215118587U CN 202121677735 U CN202121677735 U CN 202121677735U CN 215118587 U CN215118587 U CN 215118587U
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Abstract
The utility model discloses a coating has silicone layer's magnetic ring inductance, including magnetic ring body, base, coil winding and silicone layer, the base top is located to the magnetic ring body, the base bottom is equipped with a plurality of metal PIN needles, the coil winding is around establishing on the magnetic ring body, just the lead wire end of coil winding is connected with metal PIN needle respectively, magnetic ring body, coil winding and the equal cladding of base are in the silicone layer, the internal surface of silicone layer has fire-retardant layer still coated. The utility model discloses a coat the silicone layer at magnetic ring body, coil winding and the surface of base and encapsulate, can avoid the use risk that the bonding of adhesive became invalid and bring, save the curing time that traditional magnetic ring inductance need wait for the bonding of adhesive, improve production efficiency; meanwhile, heat generated by the magnetic ring inductor in use can be timely dissipated outwards, and the flame-retardant layer is coated on the inner surface of the silicon resin layer, so that the use safety of the magnetic ring inductor can be improved.
Description
Technical Field
The utility model relates to a magnetic ring inductance field especially relates to a coating has magnetic ring inductance of silicone layer.
Background
An inductor is a component that can convert electrical energy into magnetic energy for storage. The inductor has an inductance that only prevents a change in current, and that prevents current from flowing through it if no current is flowing through the inductor; if there is current flowing through it, the circuit will try to maintain the current constant when it is open. Inductors are also known as chokes, reactors, dynamic reactors.
In the prior art, a magnetic ring inductor on the market is mainly bonded by an adhesive, a magnetic ring coil is generally bonded on a base by the adhesive, the magnetic ring coil is soaked in insulating paint after being cured and dried, and finally, a heat-shrinkable tube sleeve is sleeved on the magnetic ring inductor to improve the insulativity of the magnetic ring inductor and the protection effect on the magnetic ring inductor, so that the magnetic ring inductor is easily influenced by stress during curing of the adhesive to cause unstable inductance performance, the production efficiency of the magnetic ring inductor can be reduced, the labor intensity of workers is increased, time and labor are wasted, the production process is complex, and the automatic production of enterprises is not facilitated; meanwhile, the heat-shrinkable tube sleeve and the insulating paint are coated for insulation protection, so that the heat dissipation of the magnetic ring inductor is influenced, the magnetic ring inductor is easy to burn out in a long-time use state so as to damage electronic elements, and the use safety is not high; in addition, after the coil is wound on the magnetic ring body, the lead ends of the coil are easily attached to the pins during winding and soldering, so that the rapid production of the magnetic ring inductor is influenced, and the magnetic ring inductor is very inconvenient.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the magnetic ring inductor coated with the silicon resin layer is simple in structure, good in heat dissipation performance and high in use safety, and contributes to improving production efficiency.
The technical scheme of the utility model as follows: the utility model provides a coating has magnetic ring inductance of silicone layer, includes magnetic ring body, base, coil winding and silicone layer, the base top is located to the magnetic ring body, the base bottom is equipped with a plurality of metal PIN needles, the coil winding is around establishing on the magnetic ring body, and the lead wire end of coil winding is connected with metal PIN needle respectively, magnetic ring body, coil winding and base all coat in the silicone layer, the internal surface of silicone layer still coats has fire-retardant layer.
According to the technical scheme, in the magnetic ring inductor coated with the silicon resin layer, the lead structure comprises the boss, the boss and the side wall of the base are of an integrally formed structure, the left side and the right side of the boss are respectively provided with the round corners facilitating lead, and the lead ends of the first coil winding and the second coil winding are respectively penetrated through the side end of the boss and connected with the metal PIN needle.
By adopting the technical scheme, in the magnetic ring inductor coated with the silicon resin layer, the flame-retardant layer is a halogen-free flame retardant.
By adopting the technical scheme, in the magnetic ring inductor coated with the silicon resin layer, the magnetic ring body and the base are of an integrally formed structure.
By adopting the technical scheme, in the magnetic ring inductor coated with the silicon resin layer, bosses are respectively arranged on the front side and the rear side of the base, the bosses and the side wall of the base are of an integrally formed structure, and lead ends of the coil winding respectively penetrate through the side ends of the bosses and are connected with the metal PIN needles.
By adopting the technical scheme, in the magnetic ring inductor coated with the silicon resin layer, the left side and the right side of the boss are respectively provided with the round corners convenient for leading wires.
By adopting the technical scheme, in the magnetic ring inductor coated with the silicon resin layer, the shape of the magnetic ring body is one of circular, oval, square or trapezoidal.
By adopting the technical scheme, in the magnetic ring inductor coated with the silicon resin layer, the shape of the magnetic ring body is circular, the middle part of the magnetic ring body is provided with the wire winding hole, the inner edge of the wire winding hole is provided with the first transition arc, and the outer edge of the magnetic ring body is provided with the second transition arc.
The utility model has the advantages that: the utility model discloses a coat the silicone layer at magnetic ring body, coil winding and base and encapsulate, the silicone layer has good adhesion when solidifying to fix the magnetic ring body on the base, the installation is stable, still can avoid the use risk that the adhesive bonding became invalid and bring, the magnetic ring inductance of being convenient for realizes the automated production of overall process, saves the curing time that traditional magnetic ring inductance need wait for the adhesive bonding, improves production efficiency; in addition, the silicon resin layer also has good insulativity and thermal conductivity, so that heat generated by the magnetic ring inductor in use can be timely dissipated outwards, and the flame-retardant layer is coated on the inner surface of the silicon resin layer, so that the use safety of the magnetic ring inductor can be improved; the lug boss is arranged at the side end of the base, so that the gap between the lead ends of the coil is increased after the coil is wound, and the problem that the distance between the lead ends is too small to influence the soldering operation of the lead ends is avoided; overall structure is simple, heat dispersion is good, the safety in utilization is high, helps improving production efficiency, can use widely.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic view of the internal structure at another viewing angle of the present invention;
fig. 3 is a schematic view of the base structure of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, a magnetic ring inductor coated with a silicone layer includes a magnetic ring body 10, a base 20, a coil winding 30 and a silicone layer 40, the magnetic ring body 10 is disposed on the top of the base 20, the bottom of the base 20 is provided with a plurality of metal PIN PINs 50, the coil winding 30 is wound on the magnetic ring body 10, lead ends of the coil winding 30 are respectively connected with the metal PIN PINs 50, the magnetic ring body 10, the coil winding 30 and the base 20 are all wrapped in the silicone layer 40, and an inner surface of the silicone layer 40 is further coated with a flame retardant layer. In this embodiment, metal PIN 50 can be connected with the circuit board, and silicone can solidify under normal atmospheric temperature state, and has good adhesion when solidifying, encapsulates through at magnetic ring body 10, coil winding 30 and base 20's surface coating silicone layer 40, not only can improve the bonding stability between magnetic ring body 10 and the base 20, still can avoid the use risk that the bonding of adhesive became invalid and bring, the magnetic ring inductance of being convenient for realizes the automated production of overall process, save the curing time that traditional magnetic ring inductance need wait for the bonding of adhesive, improve production efficiency. Meanwhile, the silicone layer 40 has good insulation and thermal conductivity, so that heat generated by the magnetic ring inductor in use can be dissipated outwards in time, and the flame retardant layer (not shown) arranged on the inner surface of the silicone layer 40 can improve the use safety of the magnetic ring inductor.
Further, the flame-retardant layer is a halogen-free flame retardant.
As shown in fig. 3, further, bosses 201 are respectively disposed on the front side and the rear side of the base 20, the bosses 201 and the side wall of the base 20 are integrally formed, and the lead ends of the coil winding 30 respectively penetrate through the side ends of the bosses 201 and are connected to the metal PIN 50. In this embodiment, the arrangement of the boss 201 facilitates the coil winding 30 to increase the gap between the lead terminals of the coil after the winding is completed, thereby avoiding the influence of the over-small distance between the lead terminals on the soldering operation of the lead terminals.
Further, the left side and the right side of the boss 201 are respectively provided with a fillet 2010 convenient for leading. In this embodiment, the fillet 2010 is provided to prevent the lead terminal from being cut off during the winding process.
Further, the shape of the magnetic ring body 10 is one of a circle, an ellipse, a square or a trapezoid.
Furthermore, the magnetic ring body 10 is circular, a winding hole 100 is formed in the middle of the magnetic ring body 10, a first transition arc 101 is formed on the inner edge of the winding hole 100, and a second transition arc 102 is formed on the outer edge of the magnetic ring body 10. In this embodiment, the first transition arc 101 and the second transition arc 102 are disposed to prevent the coil winding 30 on the magnetic ring body 10 from being cut and damaged during the winding process.
The utility model discloses a coat the silicone layer at magnetic ring body, coil winding and base and encapsulate, the silicone layer has good adhesion when solidifying to fix the magnetic ring body on the base, the installation is stable, still can avoid the use risk that the adhesive bonding became invalid and bring, the magnetic ring inductance of being convenient for realizes the automated production of overall process, saves the curing time that traditional magnetic ring inductance need wait for the adhesive bonding, improves production efficiency; in addition, the silicon resin layer also has good insulativity and thermal conductivity, so that heat generated by the magnetic ring inductor in use can be timely dissipated outwards, and the flame-retardant layer is coated on the inner surface of the silicon resin layer, so that the use safety of the magnetic ring inductor can be improved; the lug boss is arranged at the side end of the base, so that the gap between the lead ends of the coil is increased after the coil is wound, and the problem that the distance between the lead ends is too small to influence the soldering operation of the lead ends is avoided; overall structure is simple, heat dispersion is good, the safety in utilization is high, helps improving production efficiency, can use widely.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a coating has magnetic ring inductance of silicone layer which characterized in that: the magnetic ring comprises a magnetic ring body, a base, a coil winding and a silicon resin layer, wherein the magnetic ring body is arranged at the top of the base, a plurality of metal PIN needles are arranged at the bottom of the base, the coil winding is wound on the magnetic ring body, the lead ends of the coil winding are respectively connected with the metal PIN needles, the magnetic ring body, the coil winding and the base are all coated in the silicon resin layer, and the inner surface of the silicon resin layer is further coated with a flame-retardant layer.
2. A magnetic loop inductor coated with a silicone layer as recited in claim 1, wherein: the flame-retardant layer is a halogen-free flame retardant.
3. A magnetic loop inductor coated with a silicone layer as recited in claim 1, wherein: bosses are respectively arranged on the front side and the rear side of the base, the bosses and the side wall of the base are of an integrally formed structure, and lead ends of the coil winding respectively penetrate through the side ends of the bosses and are connected with the metal PIN needles.
4. A magnetic loop inductor coated with a silicone layer as recited in claim 3, wherein: the left side and the right side of the boss are respectively provided with a fillet convenient for leading wires.
5. A magnetic loop inductor coated with a silicone layer as recited in claim 1, wherein: the magnetic ring body is in one of a circular shape, an oval shape, a square shape or a trapezoidal shape.
6. A magnetic loop inductor coated with a silicone layer as recited in claim 5, wherein: the magnetic ring comprises a magnetic ring body and is characterized in that the magnetic ring body is circular, a winding hole is formed in the middle of the magnetic ring body, a first transition arc is arranged on the inner edge of the winding hole, and a second transition arc is arranged on the outer edge of the magnetic ring body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121677735.XU CN215118587U (en) | 2021-07-22 | 2021-07-22 | Magnetic ring inductor coated with silicon resin layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121677735.XU CN215118587U (en) | 2021-07-22 | 2021-07-22 | Magnetic ring inductor coated with silicon resin layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215118587U true CN215118587U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121677735.XU Active CN215118587U (en) | 2021-07-22 | 2021-07-22 | Magnetic ring inductor coated with silicon resin layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215118587U (en) |
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2021
- 2021-07-22 CN CN202121677735.XU patent/CN215118587U/en active Active
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