CN211045223U - Coil base of electromagnetic element - Google Patents

Coil base of electromagnetic element Download PDF

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Publication number
CN211045223U
CN211045223U CN201821965818.7U CN201821965818U CN211045223U CN 211045223 U CN211045223 U CN 211045223U CN 201821965818 U CN201821965818 U CN 201821965818U CN 211045223 U CN211045223 U CN 211045223U
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fixing part
magnetic core
magnetic
pin
cavity
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CN201821965818.7U
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李成军
彭志慧
彭超群
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ZHUHAI KEDE ELECTRONICS CO LTD
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ZHUHAI KEDE ELECTRONICS CO LTD
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Abstract

The utility model discloses an electromagnetic element's coil base, it is equipped with the pedestal, is equipped with the installation cavity sunken from the upper end down in the middle of the pedestal, and the cavity is equipped with the magnetic stripe fixed position that up extends from the cavity bottom. The utility model discloses can place the magnetic stripe in altogether differential mode inductance, select for use the magnetic stripe of different specifications according to the product power of difference to reach the purpose of adjusting the magnetic flux, the dismouting is simple, can be more convenient adjust the magnetic flux, easy to produce can obtain higher production efficiency, reduction in production cost, product long service life, it is reasonable to lay wire, make embedded installation, be fit for plug-in components, small, can avoid receiving the advantage of foreign object damage.

Description

Coil base of electromagnetic element
Technical Field
The utility model relates to an electromagnetic element technical field.
Background
Conventional common differential mode inductances cannot select or adjust the magnetic flux according to actual conditions. So that the product performance cannot be more adapted to the electronic product. Manufacturers need to open molds with multiple specifications for production so as to adapt to the market, so that the production efficiency is reduced indirectly, the manufacturing cost is high, and more storage space needs to be occupied. The coil is not well protected and is easily damaged by other foreign objects. The conventional common differential mode inductor is not suitable for embedded installation. The prior art has higher wiring requirements, and the wiring direction of the pins and the inductor is often required to be different from the welding direction of the pin plug-in unit, namely, the wiring is difficult. The traditional common differential mode structure is also complex, the production efficiency is low, and the cost cannot be well reduced to adapt to market competitiveness.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, the coil base that provides electromagnetic element, it can place the magnetic stripe in altogether differential mode inductance, the magnetic stripe of chooseing different specifications for use according to the product power of difference, in order to reach the purpose of adjusting the magnetic flux, the dismouting is simple, the regulation magnetic flux that can be more convenient, easy to produce, can obtain higher production efficiency, and the reduction in production cost, long service life of products, it is reasonable to lay wire, make embedded installation, be fit for plug-in components, small, can avoid receiving the advantage that foreign object damaged.
The utility model adopts the technical proposal that:
the coil base of the electromagnetic element is provided with a base body, an installation cavity which is sunken from the upper end to the lower end is arranged in the middle of the base body, and the cavity is provided with a magnetic strip fixing part which extends upwards from the bottom of the cavity. That is to fix the coil and the magnetic stripe of adjusting the magnetic flux through a pedestal for the magnetic stripe has an object to fix, makes the magnetic stripe can not move in disorder, and such product electrical property is more stable, makes whole electronic product can adapt to higher requirement, just also can squeeze into high-end market.
Further, a magnetic strip insertion groove is formed in the middle of the magnetic strip fixing part, and the magnetic strip fixing part divides the cavity into two installation cavities, namely a first installation cavity and a second installation cavity. The magnetic strip inserting groove is used for installing magnetic strips, and magnetic strips with different specifications, such as magnetic strips with different lengths, magnetic strips with different cross-sectional areas and the like, are selected according to different customer requirements or design requirements of different powers.
Furthermore, the magnetic stripe insertion groove is a square groove, extends from the middle position of the upper end face of the magnetic stripe fixing part to the bottom of the installation cavity, is a front port at the front end of the magnetic stripe insertion groove, is a rear port at the rear end of the magnetic stripe insertion groove, and is communicated with the installation cavity through the front port and the rear port. That is, the magnetic strip and the magnetic core are communicated with each other or even contacted through the front port and the rear port. The magnetic strip inserting groove divides the magnetic strip fixing part into two elastic pieces, and pressure to the magnetic strip can be applied.
Furthermore, in order to enable the height position of the magnetic strip to be matched with the height position of the magnetic core, a magnetic strip supporting platform is arranged at the bottom of the magnetic strip inserting groove.
Furthermore, the both sides end bottom of the fixed position of magnetic stripe do not is equipped with the arc curved surface, and the arc curved surface is enlargied gradually from the upper end toward the bottom of installation cavity and is extended, and the material thickness of the fixed position bottom of magnetic stripe can be increased to the arc curved surface, and the intensity of the fixed position of magnetic stripe also can be strengthened to the curved surface simultaneously for product life is more elongated. Meanwhile, the coil winding and the magnetic strip fixing part are in close contact, shaking is avoided, the copper wire in the coil winding is limited, the copper wire is placed to be loose, and the electrical property of a product is further improved.
A first magnetic core supporting boss is arranged at the left front end of the mounting cavity, a second magnetic core supporting boss is arranged at the right front end of the mounting cavity, a third magnetic core supporting boss is arranged at the right rear end of the mounting cavity, and a fourth magnetic core supporting boss is arranged at the left rear end of the mounting cavity; a front gap is arranged between the first magnetic core supporting boss and the second magnetic core supporting boss, and a rear gap is arranged between the third magnetic core supporting boss and the fourth magnetic core supporting boss; a first magnetic core mounting cavity is formed in the mounting cavity and is arranged in the areas above the first magnetic core supporting boss, the front notch and the second magnetic core supporting boss; in the installation cavity, the areas above the third magnetic core supporting boss, the rear notch and the fourth magnetic core supporting boss form a second magnetic core installation cavity. Generally, two magnetic cores, which are both E-shaped magnetic cores, are installed inside the installation cavity. Of course, a C-type core may be used, but an E-type core is preferable. First magnetic core is installed in first magnetic core installation cavity, and the second magnetic core is installed in second magnetic core installation cavity, and first magnetic core, second magnetic core and magnetic stripe cooperation form whole magnetic core.
In the installation cavity, a first coil installation cavity is formed by matching the first magnetic core support boss, the magnetic strip fixing part, the fourth magnetic core support boss and the left side wall of the seat body; in the installation cavity, a second coil installation cavity is formed by matching the second magnetic core supporting boss, the magnetic strip fixing part, the third magnetic core supporting boss and the right side wall of the seat body. The first coil is arranged in the first coil mounting cavity, the second coil is arranged in the second coil mounting cavity, and two ends of the first magnetic core are respectively inserted into one end of the first coil and one end of the second coil; two ends of the second magnetic core are respectively inserted at the other end of the first coil and the other end of the second coil. The magnetic stripe has both been located between first coil and the second coil, locates between the intermediate position of first magnetic core and the intermediate position of second magnetic core more.
The base is provided with at least one pin fixing part for fixing pins, the pins are inserted into the at least one pin fixing part, each pin is connected with the pin fixing part in series, the middle positions of the pins are arranged in the pin fixing part, one end of each pin is exposed out of the upper end of the pin fixing part, and the other end of each pin is exposed out of the lower end of the pin fixing part; the pin fixing part is arranged on the outer side wall of the seat body.
The seat body is square; a first grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the front end of the seat body, a second grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the right end of the seat body, a third grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the rear end of the seat body, and a fourth grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the left end of the seat body; the first breach of snatching and the third breach of snatching are located magnetic stripe fixed position both ends respectively the symmetry, and the second snatchs the breach and the fourth is snatched the breach and is located the both sides end of magnetic stripe fixed position respectively the symmetry. The first grabbing notch, the second grabbing notch, the third grabbing notch and the fourth grabbing notch can all facilitate grabbing a workpiece by a manipulator, and automation is conveniently achieved.
The base body is provided with four pin fixing parts which are a first pin fixing part, a second pin fixing part, a third pin fixing part and a fourth pin fixing part respectively; four pins are arranged on the seat body, namely a first pin inserted on the first pin fixing part, a second pin inserted on the second pin fixing part, a third pin inserted on the third pin fixing part and a fourth pin inserted on the fourth pin fixing part; a wiring groove is arranged between each pin fixing part and the mounting cavity, and the wiring grooves extend along the directions of the upper ends of the pins, the pin fixing parts, the side wall of the seat body and the mounting cavity; each wiring groove is provided with a flange for preventing the wires from moving outwards, and each flange extends outwards from the side wall of the seat body. The two ends of the pin fixing part are provided with pin leakage, so that the connection between the pin and the coil can be arranged on one side, and the other side is used for connecting the pin and a welding spot of the circuit board. Meanwhile, the seat body is square, so that the seat is very suitable for embedded design. The wiring is about the wiring groove, and the structure is succinct more like this, is difficult to damage connecting wire.
Further, the flange is a flange with a triangular cross section.
Further, the surface of the installation cavity is provided with a layer of cloth for preventing the product from shaking in the vibration process to cause the enameled wire to rub with the base to cause the skin to be broken.
The utility model discloses can place the magnetic stripe in altogether differential mode inductance, select for use the magnetic stripe of different specifications according to the product power of difference to reach the purpose of adjusting the magnetic flux, the dismouting is simple, can be more convenient adjust the magnetic flux, easy to produce can obtain higher production efficiency, reduction in production cost, product long service life, it is reasonable to lay wire, make embedded installation, be fit for plug-in components, small, can avoid receiving the advantage of foreign object damage.
Drawings
Fig. 1 is a schematic front structural diagram of the present invention;
fig. 2 is a schematic view showing the structural principle of the inductor after the inductor is assembled according to the present invention, and no magnetic stripe is installed;
fig. 3 is a schematic diagram of the back structure of the present invention;
fig. 4 is a schematic diagram of the structural principle of the inductor after being assembled, and the inductor is provided with an installation magnetic stripe.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the coil base of the electromagnetic element of the present invention is provided with a base body 1, an installation cavity 11 is provided in the middle of the base body 1 and is recessed from the upper end to the lower end, and the cavity 11 is provided with a magnetic stripe fixing portion 12 extending upward from the bottom of the cavity 11. That is to fix the magnetic stripe of coil and regulation magnetic flux through a pedestal 1 for the magnetic stripe has an object to fix, makes the magnetic stripe can not move in disorder, and such product electrical property is more stable, makes whole electronic product can adapt to higher requirement, just also can squeeze into high-end market.
Further, a magnetic strip insertion slot 121 is arranged in the middle of the magnetic strip fixing part 12, and the magnetic strip fixing part 12 divides the cavity 11 into two installation cavities, namely a first installation cavity 122 and a second installation cavity 123. The magnetic strip insertion slot 121 is used for installing magnetic strips, and magnetic strips with different specifications, such as magnetic strips with different lengths, magnetic strips with different cross-sectional areas, and the like, are selected according to different customer requirements or design requirements of different powers.
Further, the magnetic stripe insertion slot 121 is a square slot, the magnetic stripe insertion slot 121 extends from the middle position of the upper end surface of the magnetic stripe fixing portion 12 to the bottom of the installation cavity 11, the front end of the magnetic stripe insertion slot 121 is a front port, the rear end of the magnetic stripe insertion slot 121 is a rear port, and the front port and the rear port are both communicated with the installation cavity 11. That is, the magnetic strip and the magnetic core are communicated with each other or even contacted through the front port and the rear port. The magnetic stripe insertion groove 121 divides the magnetic stripe fixing portion 12 into two elastic pieces capable of applying pressure to the magnetic stripe.
Further, in order to allow the height position of the magnetic stripe to be matched to the height position of the magnetic core, a magnetic stripe supporting platform 124 is provided at the bottom of the magnetic stripe insertion groove 121.
Furthermore, the both sides end bottom of magnetic stripe fixed part 12 do not is equipped with the arc curved surface, and the arc curved surface is enlargied gradually from the upper end towards the bottom of installation cavity 11 and is extended, and the material thickness of the fixed part 12 bottoms of magnetic stripe can be increased to the arc curved surface, and the curved surface also can strengthen the intensity of the fixed part 12 of magnetic stripe simultaneously for product life more lengthens. Meanwhile, the coil winding and the magnetic strip fixing part 12 are in close contact, shaking is avoided, the copper wires in the coil winding are limited, the copper wires are placed to be loose, and the electrical performance of the product is further improved.
A first magnetic core supporting boss is arranged at the left front end of the mounting cavity 11, a second magnetic core supporting boss is arranged at the right front end of the mounting cavity 11, a third magnetic core supporting boss is arranged at the right rear end of the mounting cavity 11, and a fourth magnetic core supporting boss is arranged at the left rear end of the mounting cavity 11; a front gap is arranged between the first magnetic core supporting boss and the second magnetic core supporting boss, and a rear gap is arranged between the third magnetic core supporting boss and the fourth magnetic core supporting boss; a first magnetic core mounting cavity is formed in the mounting cavity 11 in the areas above the first magnetic core supporting boss, above the front notch and above the second magnetic core supporting boss; in the mounting cavity 11, a second magnetic core mounting cavity is formed in the regions above the third magnetic core supporting boss, above the rear notch and above the fourth magnetic core supporting boss. Two magnetic cores, both E-shaped magnetic cores, are generally installed inside the installation cavity 11. Of course, a C-type core may be used, but an E-type core is preferable. First magnetic core is installed in first magnetic core installation cavity, and the second magnetic core is installed in second magnetic core installation cavity, and first magnetic core, second magnetic core and magnetic stripe cooperation form whole magnetic core.
In the mounting cavity 11, a first coil mounting cavity is formed by matching the first magnetic core supporting boss, the magnetic strip fixing part 12, the fourth magnetic core supporting boss and the left side wall of the base body 1; in the installation cavity 11, a second coil installation cavity is formed by matching the second magnetic core support boss, the magnetic strip fixing part 12, the third magnetic core support boss and the right side wall of the seat body 1. The first coil is arranged in the first coil mounting cavity, the second coil is arranged in the second coil mounting cavity, and two ends of the first magnetic core are respectively inserted into one end of the first coil and one end of the second coil; two ends of the second magnetic core are respectively inserted at the other end of the first coil and the other end of the second coil. The magnetic stripe has both been located between first coil and the second coil, locates between the intermediate position of first magnetic core and the intermediate position of second magnetic core more.
The base body 1 is provided with at least one pin fixing part 13 fixed by a pin 14, the pin 14 is inserted into the at least one pin fixing part 13, each pin 14 is connected in series with the pin fixing part 13, the middle position of the pin 14 is arranged in the pin fixing part 13, one end of the pin 14 is exposed out of the upper end of the pin fixing part 13, and the other end of the pin 14 is exposed out of the lower end of the pin fixing part 13; the pin fixing part 13 is arranged on the outer side wall of the base body 1.
The seat body 1 is square; a first grabbing notch 126 which is sunken from the upper end to the lower end is formed in the side wall of the front end of the seat body 1, a second grabbing notch 127 which is sunken from the upper end to the lower end is formed in the side wall of the right end of the seat body 1, a third grabbing notch 128 which is sunken from the upper end to the lower end is formed in the side wall of the rear end of the seat body 1, and a fourth grabbing notch 129 which is sunken from the upper end to the lower end is formed in the side wall of the left end of the seat body 1; the first grabbing notch 126 and the third grabbing notch 128 are symmetrically disposed at two ends of the magnetic stripe fixing portion 12, and the second grabbing notch 127 and the fourth grabbing notch 129 are symmetrically disposed at two ends of the magnetic stripe fixing portion 12. The first grabbing notch 126, the second grabbing notch 127, the third grabbing notch 128 and the fourth grabbing notch 129 are all convenient for a manipulator to grab a workpiece, and automation is conveniently realized.
The base body 1 is provided with four pin fixing parts 13, namely a first pin fixing part 13, a second pin fixing part 13, a third pin fixing part 13 and a fourth pin fixing part 13; four pins 14 are mounted on the base 1, which are a first pin 14 inserted in the first pin fixing portion 13, a second pin 14 inserted in the second pin fixing portion 13, a third pin 14 inserted in the third pin fixing portion 13, and a fourth pin 14 inserted in the fourth pin fixing portion 13; a wiring groove is arranged between each pin fixing part 13 and the mounting cavity 11 and extends along the directions of the upper ends of the pins 14, the pin fixing parts 13, the side wall of the seat body 1 and the mounting cavity 11; each wiring groove is provided with a flange for preventing the wires from moving outwards, and each flange extends outwards from the side wall of the seat body 1. The pin 14 leaks from both ends of the pin fixing part 13, so that the connection between the pin 14 and the coil can be placed on one side, and the other side is used for connecting the pin 14 with the welding point of the circuit board. Meanwhile, the seat body 1 is square, and is very suitable for embedded design. The wiring is about the wiring groove, and the structure is succinct more like this, is difficult to damage connecting wire.
Further, the flange is a flange with a triangular cross section.
The utility model discloses can place the magnetic stripe in altogether differential mode inductance, select for use the magnetic stripe of different specifications according to the product power of difference to reach the purpose of adjusting the magnetic flux, the dismouting is simple, can be more convenient adjust the magnetic flux, easy to produce can obtain higher production efficiency, reduction in production cost, product long service life, it is reasonable to lay wire, make embedded installation, be fit for plug-in components, small, can avoid receiving the advantage of foreign object damage.

Claims (1)

1. The coil base of the electromagnetic element is characterized by comprising a base body, wherein the middle of the base body is provided with an installation cavity which is sunken from the upper end to the lower end, and the cavity is provided with a magnetic strip fixing part which extends upwards from the bottom of the cavity; a magnetic strip insertion groove is formed in the middle of the magnetic strip fixing part, and the magnetic strip fixing part divides the cavity into two installation cavities, namely a first installation cavity and a second installation cavity; the magnetic strip insertion groove is a square groove, extends from the middle position of the upper end surface of the magnetic strip fixing part to the bottom of the installation cavity, is provided with a front port at the front end and a rear port at the rear end, and is communicated with the installation cavity; a magnetic strip supporting platform is arranged at the bottom of the magnetic strip insertion groove; the bottom parts of the two side ends of the fixed part of the magnetic stripe are respectively provided with an arc-shaped curved surface, and the arc-shaped curved surfaces gradually extend from the upper end to the bottom of the mounting cavity in an amplifying way; a first magnetic core supporting boss is arranged at the left front end of the mounting cavity, a second magnetic core supporting boss is arranged at the right front end of the mounting cavity, a third magnetic core supporting boss is arranged at the right rear end of the mounting cavity, and a fourth magnetic core supporting boss is arranged at the left rear end of the mounting cavity; a front gap is arranged between the first magnetic core supporting boss and the second magnetic core supporting boss, and a rear gap is arranged between the third magnetic core supporting boss and the fourth magnetic core supporting boss; a first magnetic core mounting cavity is formed in the mounting cavity and is arranged in the areas above the first magnetic core supporting boss, the front notch and the second magnetic core supporting boss; a second magnetic core mounting cavity is formed in the mounting cavity and is arranged in the areas above the third magnetic core supporting boss, the rear notch and the fourth magnetic core supporting boss; in the installation cavity, a first coil installation cavity is formed by matching the first magnetic core support boss, the magnetic strip fixing part, the fourth magnetic core support boss and the left side wall of the seat body; a second coil mounting cavity is formed in the mounting cavity body in a matching manner through the second magnetic core supporting boss, the magnetic strip fixing part, the third magnetic core supporting boss and the right side wall of the base body; the base is provided with at least one pin fixing part for fixing pins, the pins are inserted into the at least one pin fixing part, each pin is connected in series with the pin fixing part, the middle positions of the pins are arranged in the pin fixing part, one end of each pin is exposed out of the upper end of the pin fixing part, and the other end of each pin is exposed out of the lower end of the pin fixing part; the pin fixing part is arranged on the outer side wall of the seat body; the seat body is square; a first grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the front end of the seat body, a second grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the right end of the seat body, a third grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the rear end of the seat body, and a fourth grabbing notch which is sunken from the upper end to the lower end is formed in the side wall of the left end of the seat body; the first grabbing notch and the third grabbing notch are respectively and symmetrically arranged at two ends of the magnetic stripe fixing part, and the second grabbing notch and the fourth grabbing notch are respectively and symmetrically arranged at two side ends of the magnetic stripe fixing part; the base body is provided with four pin fixing parts which are a first pin fixing part, a second pin fixing part, a third pin fixing part and a fourth pin fixing part respectively; four pins are arranged on the seat body, namely a first pin inserted on the first pin fixing part, a second pin inserted on the second pin fixing part, a third pin inserted on the third pin fixing part and a fourth pin inserted on the fourth pin fixing part; a wiring groove is arranged between each pin fixing part and the mounting cavity, and the wiring grooves extend along the directions of the upper ends of the pins, the pin fixing parts, the side wall of the seat body and the mounting cavity; flanges for preventing the wires from moving outwards are arranged beside each wiring groove, and each flange extends outwards from the side wall of the seat body; a layer of cloth is arranged on the surface of the installation cavity.
CN201821965818.7U 2018-11-27 2018-11-27 Coil base of electromagnetic element Active CN211045223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821965818.7U CN211045223U (en) 2018-11-27 2018-11-27 Coil base of electromagnetic element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821965818.7U CN211045223U (en) 2018-11-27 2018-11-27 Coil base of electromagnetic element

Publications (1)

Publication Number Publication Date
CN211045223U true CN211045223U (en) 2020-07-17

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Application Number Title Priority Date Filing Date
CN201821965818.7U Active CN211045223U (en) 2018-11-27 2018-11-27 Coil base of electromagnetic element

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022166857A1 (en) * 2021-02-07 2022-08-11 广州视源电子科技股份有限公司 Inductor and electrical component including same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022166857A1 (en) * 2021-02-07 2022-08-11 广州视源电子科技股份有限公司 Inductor and electrical component including same

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