CN210245280U - Novel inductance framework and magnetic ring inductor - Google Patents
Novel inductance framework and magnetic ring inductor Download PDFInfo
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- CN210245280U CN210245280U CN201921569876.2U CN201921569876U CN210245280U CN 210245280 U CN210245280 U CN 210245280U CN 201921569876 U CN201921569876 U CN 201921569876U CN 210245280 U CN210245280 U CN 210245280U
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Abstract
The utility model discloses a novel inductance skeleton and magnetic ring inductance belongs to magnetic ring inductance field. This novel inductance skeleton includes the base and sets up base upper surface center department and with base vertically baffle, be provided with four on four angles of base and run through the stitch of base, the stitch is located the part of base top is provided with the hanging wire portion that is used for being connected with magnetic ring inductance coils's tail, the stitch is located the part of base below is provided with the grafting portion that is used for being connected with the circuit board. The utility model arranges the wire hanging part on the upper surface of the base, adopts the modes of upper hanging pins, point solder paste and non-contact welding, reduces the difficulty of the hanging pins, simplifies the production process, reduces the bad types and is convenient for the subsequent inductance detection; because of adopting simpler structure, so be more suitable for automated production.
Description
Technical Field
The utility model relates to a magnetic ring inductance field especially indicates a novel inductance skeleton and magnetic ring inductance.
Background
The inductor is an element capable of converting electric energy into magnetic energy to be stored, and has an extremely important function in various circuit systems, and is widely applied. The magnetic loop inductor belongs to one kind of inductor, and generally includes a magnetic loop inductor coil and an inductor framework (some magnetic loop inductors may not include an inductor framework). As shown in fig. 1, the magnetic loop inductor winds a pair of windings 100 and 200 around two sides of a ring-shaped magnetic core 300, the pair of windings 100 and 200 are separated by a partition 400, and four tail wires 500 are led out after the pair of windings 100 and 200 are wound for a certain number of turns.
As shown in fig. 2, the inductance skeleton in the prior art includes a base and a partition 400 disposed at the center of the upper surface of the base 600 and perpendicular to the base, four pins 700 are disposed at four corners of the lower surface of the base, and four tail wire slots 800 are disposed at the side of the base.
When the magnetic ring inductance coil and the inductance framework are assembled, the magnetic ring inductance coil is installed on the base, the partition plate is inserted into the center of the magnetic ring inductance coil and separates a pair of windings on the magnetic ring inductance coil, then four tail lines of the magnetic ring inductance coil are led to the lower surface of the base through the tail line grooves, then the tail lines are wound on pins, redundant tail lines are torn off, and the magnetic ring inductance coil and the framework are assembled.
After the magnetic ring inductance coil and the framework are assembled, soldering tin is needed to be carried out on the connection position of the pin and the tail wire, and the magnetic ring inductance is obtained and is shown in fig. 3. In the prior art, tin soldering is carried out by adopting a method of tin coating at the bottom: and dipping the assembled magnetic ring inductance coil and the assembled framework into molten tin in a tin bath from the bottom, so that the joint of the pin and the tail wire is taken out after being soaked by the molten tin, and the tin soldering is finished. And then carrying out inductance balance test, voltage withstanding test and the like.
However, the prior art bobbin inductors have the following disadvantages:
1. the tail wire of the magnetic ring inductance coil needs to enter the lead slot of the base and needs to be wound on the pin, the pin hanging difficulty is high, the operation efficiency is low, and no matter the tail wire enters the lead slot or is wound, the bad effect is possibly caused, and the quality of the magnetic ring inductance is influenced.
2. Because the bottom is tin-coated, various defects such as insufficient soldering tin, transverse tin points of the pins, tin piling at the soldering tin and the like are easy to appear on the pins. In addition, when the tail wire is wound on the pin, the root of the pin is occupied, when the pin is inserted into an inductance pinhole reserved on a circuit board, the root of the pin is occupied by the tail wire in a wound mode, the root of the pin cannot be inserted into the pinhole of the pinhole, the bottom of the base cannot be in contact with the circuit board, and therefore installation between the magnetic ring inductance and the circuit board is inconvenient and not firm. Therefore, in order to facilitate the installation of the magnetic ring inductor and to ensure the installation of the magnetic ring inductor to be firm, a boss needs to be injection-molded at the bottom of the base in the prior art. However, during tin coating, tin is adhered to the bumps.
3. When carrying out visual detection to soldering tin department, because soldering tin department is located the base bottom, consequently need hang the unsettled could detect the base bottom with the magnetic ring inductance, the operation is complicated. And because soldering tin department is located the base bottom, need three visual check out test set of group at least and can detect from different angles (two sets of side directions and a set of direction down), need more check out test set.
4. The tin-coating causes much waste, the tin bath has high energy consumption, and the tin slag is not easy to clean.
5. Because the tin is enameled by molten tin in the tin bath, the inductance temperature of the magnetic ring is high after tin is enameled, and misjudgment can be caused when inductance balance detection is carried out.
6. When tin is enameled, the whole pin is stained with a layer of tin, so that the size of the pin is changed, and the positioning precision is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel inductance skeleton and magnetic ring inductance. The utility model discloses with the setting of hanging wire portion on the base upper surface, hanger, some tin cream and non-contact welding's mode has been reduced the hanger degree of difficulty in the adoption, has simplified production processes, has reduced bad kind, and subsequent inductance of being convenient for detects, more is fit for carrying out automated production.
The utility model provides a technical scheme as follows:
the utility model provides a novel inductance skeleton, is in including base and setting base upper surface center department and with base vertically baffle, be provided with four on four angles of base and run through the stitch of base, the stitch is located the part of base top is provided with the hanging wire portion that is used for being connected with magnetic ring inductance coils's tail, the stitch is located the part of base below is provided with the grafting portion that is used for being connected with the circuit board.
Furthermore, the stitch is an L-shaped stitch, a first edge of the L-shaped stitch penetrates through the base to form an insertion part, a second edge of the L-shaped stitch is located above the base and faces the outer side of the base to form a hanging wire part, a gap for a tail wire to pass through is reserved between the hanging wire part and the base, four grooves are formed in the upper surface of the base, and the grooves are located below the hanging wire part.
Further, the length direction of the hanging wire part is parallel to the length direction of the partition board, and the length direction of the groove is parallel to the length direction of the partition board.
Furthermore, two side surfaces in the length direction of the groove are vertical surfaces, wherein a wire guide groove vertical to the groove is arranged at the side surface positioned at the inner side; the depth of the wire guide groove gradually becomes deeper from inside to outside along the length direction of the wire guide groove.
Further, the depth of the wire groove at the position of the groove is the same as the depth of the groove.
Furthermore, a line blocking bulge is arranged on the bottom plate and is positioned on the outer side of the groove.
Furthermore, the cross section of stitch is square, be provided with knurling or striae on the stitch.
Furthermore, the up end of stitch is the barb structure, the barb structure is hanging wire portion.
The utility model provides a magnetic ring inductance, magnetic ring inductance includes magnetic ring inductance coils and aforementioned novel inductance skeleton, wherein:
the magnetic ring inductance coil comprises an annular magnetic core, a first winding and a second winding, wherein the first winding and the second winding are wound on two sides of the annular magnetic core; the partition plate of the novel inductance framework is inserted in the center of the magnetic ring inductance coil and separates the first winding from the second winding; four tail lines of the magnetic ring inductance coil are welded with the wire hanging part of the novel inductance framework through solder paste.
Furthermore, the tail wire of the magnetic ring inductance coil is located below a hanging wire part formed by the second edge of the L-shaped stitch and is pressed tightly by the hanging wire part, or the tail wire of the magnetic ring inductance coil is located in a barb of the hanging wire part of the barb structure and is clamped tightly by the tail end of the barb.
The utility model discloses following beneficial effect has:
the utility model discloses with the setting of hanging wire portion on the base upper surface, hanger, some tin cream and non-contact welding's mode has been reduced the hanger degree of difficulty in the adoption, has simplified production processes, has reduced bad kind, subsequent inductance detection of being convenient for.
Drawings
FIG. 1 is a schematic diagram of a prior art magnetic loop inductor;
fig. 2 is a schematic diagram of a prior art bobbin inductor;
fig. 3 is a schematic view of the novel inductance framework of the present invention in one direction;
fig. 4 is a schematic view of the novel inductor framework of the present invention in another direction;
FIG. 5 is a schematic drawing of a tail wire hanging;
FIG. 6 is a schematic view after the tail line is torn;
FIG. 7 is a schematic diagram of a magnetic ring inductor after soldering;
fig. 8 is a partial enlarged view of the novel inductor bobbin of the present invention;
fig. 9 is a schematic view of a barbed wire-hanging portion.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a novel inductance skeleton 10, as shown in fig. 3-9, including base 11 and set up in base 11 upper surface center department and with base 11 vertically baffle 12, be provided with four stitches 13 that run through base 11 on four angles of base 11, the part that stitch 13 is located base 11 top is provided with the hanging wire portion 14 or 14 'that is used for being connected with magnetic ring inductance coils 20's tail wire 24, and the part that stitch 13 is located base 11 below is provided with the grafting portion 15 that is used for being connected with the circuit board.
The utility model discloses an inductance skeleton is used for installing magnetic ring inductance coils, during the installation, inserts magnetic ring inductance coils's center with inductance skeleton's baffle for the baffle separates two windings of magnetic ring inductance coils. The tail wire of the magnetic loop inductance coil is hung on the hanging wire part, as shown in fig. 5. So that the wire hanging part presses or clamps the tail wire and tears off the redundant tail wire, as shown in fig. 6. Finally, the solder paste is spotted at the position where the tail wire is contacted with the wire hanging part, and the solder paste is melted by a non-contact welding mode (such as laser heating) and the soldering is finished as shown in fig. 7.
The utility model discloses there is following beneficial effect:
1. the tail wire of the magnetic ring inductance coil is changed from a mode of hanging pins below the base and winding into a mode of hanging pins above the base and pressing or clamping, the hanging pin difficulty is reduced, and the operation efficiency is improved. And the defects caused by entering the lead groove and winding can be avoided, and the hanging feet are hung above the base, so that the hanging feet can be found more easily when the defects occur.
2. The joint of the tail wire and the pin is turned into upper point tin paste from lower tin coating and melts tin, so that various defects of lower tin coating are avoided. Additionally, the utility model discloses owing to adopt last hitching leg, the bottom surface of base is flat smooth, and when installing on the PCB board, need not cause the boss tin sticky tin like the boss of bottom surface of need considering when lower hitching leg. And the lug boss is omitted, the stitch can be shortened, and the stability and the positioning accuracy of the inductor are enhanced.
3. When detecting soldering tin department, because soldering tin department is located base upper portion, consequently need not to hang magnetic ring inductance in the air or the rotation just can detect soldering tin department, easy operation, the operating efficiency is higher. And only one group of visual detection equipment is needed to complete the detection from the top.
4. The mode of solder paste welding is adopted, so that solder paste is not wasted, energy consumption is low, and solder residue is not required to be treated.
5. By adopting the mode of soldering with the solder paste, the defect of overhigh inductance temperature of the magnet ring after tin coating is avoided, and misjudgment can not be caused when inductance balance detection is carried out.
6. And a solder paste welding mode is adopted, so that the dimensional change of pins caused by tin coating is avoided, and the positioning precision is high.
In summary, the utility model arranges the wire hanging part on the upper surface of the base, and adopts the modes of upper hanging pins, point solder paste and non-contact welding, thereby reducing the difficulty of the hanging pins, simplifying the production process, reducing the bad types and facilitating the subsequent inductance detection; because of adopting simpler structure, so be more suitable for automated production.
The utility model discloses a hanging wire portion can have multiple structural style, as long as can fix the tail-wire can, below give two examples.
Example one:
as shown in fig. 3-7, the pin 13 is an L-shaped pin, a first edge of the L-shaped pin penetrates through the base 11 to form an insertion portion 15, a second edge of the L-shaped pin is located above the base 11 and faces the outer side of the base 11 to form a hanging portion 14, a gap for a tail wire to pass through is left between the hanging portion 14 and the base 11, four grooves 16 are formed on the upper surface of the base 11, and the grooves 16 are located below the hanging portion 14.
When the wire is hung, the tail wire is hung into the bottom of the wire hanging part from the inner side of the base, as shown in fig. 5. The wire hanging part is pressed down by a tool (pliers, etc.) to break the excess tail wire, as shown in fig. 6. The solder paste is dotted at a position where the tail wire and the wire hanging portion are in contact, and the solder paste is melted by non-contact type soldering, as shown in fig. 7.
For the convenience of hanging wires, the length directions of the hanging wire part 14 and the groove 16 are parallel to the length direction of the partition board 12.
Furthermore, two side surfaces of the groove 16 in the length direction are vertical surfaces, wherein a wire guide groove 17 vertical to the groove 16 is arranged at the side surface positioned at the inner side; the depth of the wire guide groove 17 gradually becomes deeper from the inside to the outside along the length direction of the wire guide groove 17, as shown in fig. 8.
When the hanging wire part is pressed downwards, the vertical surface of the outer side is matched with the hanging wire part, so that the tail wire is pressed off or basically pressed off at the outer side of the groove, and the tail wire is convenient to remove. In order to prevent the tail wire on the inner side of the groove from being broken by pressure and further generate cold welding, the inner side of the groove is provided with a slope-shaped wire groove, the tail wire is positioned in the wire groove and cannot be broken by the pressure on the inner side of the groove, and meanwhile, the slope-shaped wire groove can also facilitate wire hanging.
With wires, the wire groove 17 is located at the groove 16 to the same depth as the groove 16. At this moment, after the wire hanging part is completely pressed into the groove, the tail wire below the wire hanging part is flattened, so that the connection firmness is improved, and the contact area is also increased. The depth of the wire groove at the groove may also be slightly deeper than the depth of the groove, but the difference in depth should be less than the diameter of the tail wire.
The present example is provided with a stop line projection 18 on the base plate 11, the stop line projection 18 being located outside the recess 16, as shown in fig. 8. After the tail wire is hung into the bottom of the wire hanging part from the inner side of the base, the wire blocking protrusion is used for preventing the tail wire from being separated from the bottom of the wire hanging part.
Example two:
the upper end surface of the stitch 13 has a barb structure (inverted V-shaped structure) which is a hanging part 14' as shown in fig. 9.
The barb structure can be made through buckling the stitch upper end into the acute angle, during the hanging wire, gets into the barb with the tail-wire in from the bottom of barb structure to upwards drag the tail-wire, because the inner space of barb structure upwards narrows down gradually, consequently the tail-wire is pressed from both sides tightly by the barb structure, with unnecessary tail-wire drag can.
The utility model discloses in, the cross-section of stitch 13 is square, is provided with annular knurl or striae on stitch 13. The utility model discloses change into the square needle with the stitch by the round needle to do annular knurl or striae processing on the stitch, in order to improve welded quality.
On the other hand, the utility model provides a magnetic ring inductance, as shown in fig. 7, this magnetic ring inductance includes magnetic ring inductance coils 20 and the aforesaid novel inductance skeleton 10, wherein:
the magnetic ring inductance coil 20 comprises a ring-shaped magnetic core 21, a first winding 22 and a second winding 23 which are wound on two sides of the ring-shaped magnetic core 21; the partition board 12 of the novel inductance framework 10 is inserted in the center of the magnetic loop inductance coil 20 and separates the first winding 22 from the second winding 23; four tail wires 24 of the magnetic loop inductance coil 20 are soldered to the hanging wire portion 14 or 14' of the novel inductance skeleton 10 by solder paste (as shown in fig. 7 and 9).
The utility model discloses there is following beneficial effect:
1. the tail wire of the magnetic ring inductance coil is changed from a mode of hanging pins below the base and winding into a mode of hanging pins above the base and pressing or clamping, the hanging pin difficulty is reduced, and the operation efficiency is improved. And the defects caused by entering the lead groove and winding can be avoided, and the hanging feet are hung above the base, so that the hanging feet can be found more easily when the defects occur.
2. The joint of the tail wire and the pin is turned into upper point tin paste from lower tin coating and melts tin, so that various defects of lower tin coating are avoided. Additionally, the utility model discloses owing to adopt last hitching leg, the bottom surface of base is flat smooth, and when installing on the PCB board, need not cause the boss tin sticky tin like the boss of bottom surface of need considering when lower hitching leg. And the lug boss is omitted, the pins can be shortened, the stability and the positioning precision of the inductor are enhanced, the product is placed more stably, the placement is more convenient and rapid, and a matched jig is simpler.
3. When detecting soldering tin department, because soldering tin department is located base upper portion, consequently need not to detect soldering tin department with the unsettled or rotation of magnetic ring inductance, easy operation, the operating efficiency is higher to only need a set of visual check out test set can accomplish the detection from the top, easily realize inspection and equipment automation.
4. The mode of solder paste welding is adopted, so that solder paste is not wasted, energy consumption is low, and solder residue is not required to be treated.
5. By adopting the mode of soldering with the solder paste, the defect of overhigh inductance temperature of the magnet ring after tin coating is avoided, and misjudgment can not be caused when inductance balance detection is carried out.
6. And a solder paste welding mode is adopted, so that the dimensional change of pins caused by tin coating is avoided, and the positioning precision is high.
In summary, the utility model arranges the wire hanging part on the upper surface of the base, and adopts the modes of upper hanging pins, point solder paste and non-contact welding, thereby reducing the difficulty of the hanging pins, simplifying the production process, reducing the bad types and facilitating the subsequent inductance detection; because of adopting simpler structure, so be more suitable for automated production.
When the hanging part is in the structure of the first example, as shown in fig. 3 to 8, the tail 24 of the magnetic loop inductance coil 20 is located below the hanging part 14 formed by the second side of the L-shaped pin and is pressed by the hanging part 14.
When the hanging part is in the structure of the second example, as shown in fig. 9, the tail wire 24 of the magnetic loop inductance coil 20 is positioned in the barb of the hanging part 14' of the barb structure and clamped by the end of the barb.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel inductance skeleton, its characterized in that is in including base and setting base upper surface center department and with base vertically baffle, be provided with four on four angles of base and run through the stitch of base, the stitch is located the part of base top is provided with the hanging wire portion that is used for being connected with magnetic ring inductance coils's tail, the stitch is located the part of base below is provided with the grafting portion that is used for being connected with the circuit board.
2. The novel inductance skeleton as claimed in claim 1, wherein the pin is an L-shaped pin, a first edge of the L-shaped pin penetrates through the base to form a plug portion, a second edge of the L-shaped pin is located above the base and faces the outside of the base to form a hanging wire portion, a gap for a tail wire to pass through is reserved between the hanging wire portion and the base, four grooves are formed in the upper surface of the base, and the grooves are located below the hanging wire portion.
3. The novel inductance skeleton of claim 2, wherein the length direction of the hanging wire part is parallel to the length direction of the partition board, and the length direction of the groove is parallel to the length direction of the partition board.
4. The novel inductance skeleton of claim 2, wherein two side surfaces of the groove in the length direction are vertical surfaces, and a wire groove vertical to the groove is arranged at the side surface positioned at the inner side; the depth of the wire guide groove gradually becomes deeper from inside to outside along the length direction of the wire guide groove.
5. The novel skeletal inductor as claimed in claim 4, wherein the grooves are formed at the same depth as the grooves.
6. The novel inductance skeleton of claim 4, wherein a stop line protrusion is arranged on the base, and the stop line protrusion is located on the outer side of the groove.
7. The novel inductance skeleton of any one of claims 2 to 6, wherein the cross section of the pin is square, and the pin is provided with knurling or striation.
8. The novel inductance skeleton of claim 1, wherein the upper end surface of the pin is a barb structure, and the barb structure is a hanging wire part.
9. A magnetic loop inductor, characterized in that, the magnetic loop inductor comprises a magnetic loop inductor winding and a novel inductor framework as claimed in any one of claims 1 to 8, wherein:
the magnetic ring inductance coil comprises an annular magnetic core, a first winding and a second winding, wherein the first winding and the second winding are wound on two sides of the annular magnetic core; the partition plate of the novel inductance framework is inserted in the center of the magnetic ring inductance coil and separates the first winding from the second winding; four tail lines of the magnetic ring inductance coil are welded with the wire hanging part of the novel inductance framework through solder paste.
10. The magnetic loop inductor as claimed in claim 9, wherein the tail of the magnetic loop inductor is located under and pressed by the hanging portion formed by the second side of the L-shaped pin, or the tail of the magnetic loop inductor is located in and clamped by the barb of the hanging portion of the barb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569876.2U CN210245280U (en) | 2019-09-20 | 2019-09-20 | Novel inductance framework and magnetic ring inductor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569876.2U CN210245280U (en) | 2019-09-20 | 2019-09-20 | Novel inductance framework and magnetic ring inductor |
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| CN210245280U true CN210245280U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921569876.2U Active CN210245280U (en) | 2019-09-20 | 2019-09-20 | Novel inductance framework and magnetic ring inductor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112135506A (en) * | 2020-11-10 | 2020-12-25 | 湖州科峰磁业有限公司 | Anti-interference magnetic ring protective sleeve |
| CN113380538A (en) * | 2021-07-06 | 2021-09-10 | 钟红 | Winding hitching leg equipment |
-
2019
- 2019-09-20 CN CN201921569876.2U patent/CN210245280U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112135506A (en) * | 2020-11-10 | 2020-12-25 | 湖州科峰磁业有限公司 | Anti-interference magnetic ring protective sleeve |
| CN112135506B (en) * | 2020-11-10 | 2022-04-15 | 湖州科峰磁业有限公司 | Anti-interference magnetic ring protective sleeve |
| CN113380538A (en) * | 2021-07-06 | 2021-09-10 | 钟红 | Winding hitching leg equipment |
| CN113380538B (en) * | 2021-07-06 | 2024-02-02 | 钟红 | Winding hanging leg equipment |
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