CN115691988B - Adjustable inductor assembly and shielding structure thereof - Google Patents
Adjustable inductor assembly and shielding structure thereof Download PDFInfo
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- CN115691988B CN115691988B CN202211679780.8A CN202211679780A CN115691988B CN 115691988 B CN115691988 B CN 115691988B CN 202211679780 A CN202211679780 A CN 202211679780A CN 115691988 B CN115691988 B CN 115691988B
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Abstract
The invention belongs to the technical field of inductors, and particularly relates to an adjustable inductor assembly and a shielding structure thereof, wherein the adjustable inductor assembly comprises a shell, an annular partition plate is arranged in the shell, an adjusting cavity and an inductance cavity are separated in the shell through the partition plate, a plurality of power supply electric brush parts are assembled on the side wall of the shell, the plurality of power supply electric brush parts are respectively marked as a first electric brush group and a second electric brush group, and a circular magnetic core is assembled in the inductance cavity, and the adjustable inductor assembly also comprises: and the insulating ring is rotatably connected inside the adjusting cavity. The device can be transformed in the first path state, the second path state and the third path state respectively, the inductance of the device is adjusted, the inductance of the device can be adjusted according to the use requirement, meanwhile, the heat released by the winding wire is absorbed and transferred conveniently through the matching of the heat conduction separating element and the heat conduction column, and the heat dissipation performance of the device is improved.
Description
Technical Field
The invention belongs to the technical field of inductors, and particularly relates to an adjustable inductor assembly and a shielding structure thereof.
Background
The inductor component is also called an inductance component, and is an energy storage electronic component manufactured by utilizing the principle of electromagnetic induction, and an original model of the inductor component is a cylindrical coil formed by winding a lead. When a current i is passed through the coil, a magnetic flux Φ is generated in the coil and energy is stored. A parameter characterizing the ability of an inductive element (inductance for short) to generate a magnetic flux to store a magnetic field, also called inductance, is denoted by L and is numerically equal to the flux linkage generated per unit current. Inductor subassembly is classified according to magnetic core structural style, can divide into: the inductor comprises an I-shaped inductor, a ring inductor and a rod inductor, wherein the ring inductor mainly comprises a circular magnetic core and a coil.
The inductance of the existing annular inductor is in direct proportion to the number of turns of a coil, and the more the number of turns of the coil is, the denser the wound coil is, and the larger the inductance is. However, the number of turns of the coil of the existing toroidal inductor is set when the existing toroidal inductor is shipped from a factory, in practical application, under different use requirements, a plurality of toroidal inductors with different inductance values need to be equipped, the existing toroidal inductor cannot adjust the inductance value of the toroidal inductor according to actual requirements, and certain limitations exist.
Disclosure of Invention
The invention aims to provide an adjustable inductor assembly, which can enable a device to be respectively transformed in a first path state, a second path state and a third path state, adjust the inductance of the device, enable the device to adjust the inductance according to use requirements, facilitate the absorption and transmission of heat released by a winding wire through the matching of a heat conduction separation element and a heat conduction column, and improve the heat dissipation performance of the device.
The technical scheme adopted by the invention is as follows:
the utility model provides an adjustable's inductor subassembly, includes the shell, the inside of shell is provided with a ring partition board, the inside of shell has adjustment chamber and inductance chamber through the partition board partition, be equipped with a plurality of power supply brush portions on the lateral wall of shell, it is a plurality of power supply brush portion marks as first brush group and second brush group respectively, the inside in inductance chamber is equipped with the ring magnetic core, still includes:
the insulating ring is rotatably connected to the inside of the adjusting cavity;
the winding wire winding device comprises a circular magnetic core, a plurality of winding wires, a plurality of adjusting electric brush parts, a plurality of power supply electric brush parts, a plurality of adjusting electric brush parts, a plurality of first adjusting electric brush groups, a plurality of second adjusting electric brush groups and a plurality of third adjusting electric brush groups, wherein the winding wires are sequentially wound on the outer side of the circular magnetic core, the winding wires are respectively marked as a first winding, a second winding and a third winding, the starting ends and the tail ends of the winding wires are respectively fixed with the adjusting electric brush parts, the power supply electric brush parts are matched with the adjusting electric brush parts, the adjusting electric brush parts are respectively marked as a first adjusting electric brush group, a second adjusting electric brush group and a third adjusting electric brush group, the first adjusting electric brush group, the second adjusting electric brush group and the second winding, the third adjusting electric brush group and the third winding are matched with each other, specifically, the adjusting electric brush parts positioned at the starting ends and the tail ends of the first winding are respectively marked as a first carbon brush block and a second carbon brush block, the adjusting electric brush parts positioned at the starting ends and the second winding are respectively marked as a third carbon brush block and a fourth carbon brush block, and a fifth carbon brush block positioned at the starting ends of the third winding;
the inductance adjusting parts are annularly distributed on the insulating ring, the inductance adjusting parts are respectively marked as a first state part, a second state part and a third state part, and the circuit connection modes in any two inductance adjusting parts are different;
when the power supply brush part is matched with the first state part, a first passage state is recorded, and at the moment, a closed passage is formed among the power supply brush part, the first winding and the first state part; when the power supply brush part is matched with the second state part, the state is marked as a second path state, at the moment, a closed path is formed among the power supply brush part, the first winding, the second winding and the first state part, and the first winding and the second winding are connected in series; when the power supply brush part is matched with the third state part, the state is recorded as a third circuit state, at this time, a closed circuit is formed among the power supply brush part, the first winding, the second winding, the third winding and the third state part, and the first winding, the second winding and the third winding are connected in series.
In a preferred embodiment, switching gaps are disposed between the first status portion and the second status portion, between the first status portion and the third status portion, and between the second status portion and the third status portion, and arc lengths of ends of the power supply brush portion and the regulating brush portion, which are close to the inductance regulating portion, are greater than the switching gaps.
In a preferred embodiment, the inductance adjustment portion includes a power supply slip ring, a first conductive set, a second conductive set, and a third conductive set, the power supply slip ring is fixed on an outer wall of the insulating ring, the power supply slip ring is adapted to the power supply brush portion, the first conductive set, the second conductive set, and the third conductive set are all fixed on an inner wall of the insulating ring, and the first conductive set and the first adjustment brush set, the second conductive set and the second adjustment brush set, and the third conductive set and the third adjustment brush set are all adapted to each other.
In a preferred embodiment, in the first status portion, the first conductive group adapted to the start end of the first winding is denoted as a first conductive ring-in, the first carbon brush block is adapted to the first conductive ring-in, the first conductive group adapted to the end of the first winding is denoted as a first conductive ring-out, the second carbon brush block is adapted to the first conductive ring-out, and the first power supply ring and the first conductive ring-in, and the first conductive ring-out and the second power supply ring are connected by wires.
In a preferred embodiment, in the second status portion, a second conductive group adapted to the start end of the second winding is denoted as a second conductive ring-in, the third carbon brush block is adapted to the second conductive ring-in, a second conductive group adapted to the end of the second winding is denoted as a second conductive ring-out, the fourth carbon brush block is adapted to the second conductive ring-out, and the first power supply ring and the second conductive ring-in, the second conductive ring-out, the first conductive ring-in, and the first conductive ring-out and the second power supply ring are all connected by wires.
In a preferred embodiment, in the third status portion, a third conductive group adapted to a start end of the third winding is denoted as a third conductive ring-in, the fifth carbon brush block is adapted to the third conductive ring-in, a third conductive group adapted to an end of the third winding is denoted as a third conductive ring-out, the sixth carbon brush block is adapted to the third conductive ring-out, and the first power supply ring and the third conductive ring-in, the third conductive ring-out and the second conductive ring-in, the second conductive ring-out and the first conductive ring-in, and the first conductive ring-out and the second power supply ring are all connected by a wire.
In a preferred scheme, adjacent two all be equipped with the heat conduction between the winding wire and separate the component, it has detachable heat conduction post to peg graft between a plurality of heat conduction separation components, and is located the bottom that the shell was all run through to the one end of a plurality of heat conduction posts of bottommost and extends to the shell lower extreme, the material of heat conduction separation component and heat conduction post is the non-metallic material of high thermal conductivity.
In a preferred scheme, the upper end of the shell is provided with an indication mark, the upper end of the insulating ring is provided with a plurality of identification areas, and the identification areas correspond to the first state portion, the second state portion, the third state portion and the first state portion in a one-to-one mode.
In a preferred scheme, a plurality of buckle grooves are uniformly formed in the upper end of the insulating ring, and a plurality of heat dissipation holes are uniformly formed in the outer wall of the heat conduction separation element.
A shield arrangement for an adjustable inductor assembly according to any preceding claim, comprising a shield assembly mounted to the outside of the housing.
The invention has the technical effects that:
according to the invention, the insulating ring is rotated, and the insulating ring drives the first state part, the second state part and the third state part to rotate, so that the adjusting electric brush part is sequentially contacted with the first state part, the second state part and the third state part alternately, the device is respectively transformed in a first path state, a second path state and a third path state, the number of effective coil turns outside the circular magnetic core is adjusted, and further the inductance of the device is adjusted, so that the device can adjust the inductance according to the use requirement, the use limitation of the device is reduced, and the application range of the device is improved;
according to the invention, the heat-conducting separation element is arranged between two adjacent winding wires, the heat released by the winding wires is absorbed by the heat-conducting separation element, and is transferred to the outside of the device through the heat-conducting column, so that the winding wires in the device can be conveniently radiated, and the radiating performance of the device is improved. The problem that the working state of the device is unstable due to poor heat dissipation of a winding wire inside the device is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a bottom view of the overall construction of the present invention;
FIG. 4 is a sectional view of the overall structure of the present invention;
FIG. 5 is a sectional view showing the structure of an adjustment brush part and an inductance adjustment part according to the present invention;
FIG. 6 is an exploded view of the overall structure of the present invention;
FIG. 7 is an enlarged view of a portion of the invention at B in FIG. 6;
FIG. 8 is a schematic view of the state of the inductance adjustment part in the present invention;
fig. 9 is an exploded view of the structure of the inductance adjustment part in the present invention;
FIG. 10 is a schematic representation of a first pass state of the invention;
FIG. 11 is a schematic illustration of a second pass state of the present invention;
FIG. 12 is a schematic representation of a third pass state of the present invention;
fig. 13 is a structural sectional view of a thermally conductive spacer element of the present invention.
In the drawings, the reference numbers indicate the following list of parts:
10. a housing; 11. adjusting the cavity; 12. an inductor cavity;
13. a power supply brush section;
13a, a first brush group; 13b, a second brush set;
14. a toroidal magnetic core; 15. an insulating ring;
16. a winding wire;
16a, a first winding; 16b, a second winding; 16c, a third winding;
17. adjusting the electric brush part;
17a, a first regulating brush group; 17a1, a first carbon brush block; 17a2, a second carbon brush block;
17b, a second adjusting electric brush group; 17b1, a third carbon brush block; 17b2, a fourth carbon brush block;
17c, a third regulating brush group; 17c1, a fifth carbon brush block; 17c2, a sixth carbon brush block;
18. a thermally conductive separation element; 19. a heat-conducting column;
20. an inductance adjustment section;
20a, a first status section; 20b, a second status section; 20c, a third status section;
21. a power supply slip ring; 21a, a first supply loop; 21b, a second supply loop;
22. a first conductive set; 22a, a first conductive ring-in; 22b, a first conductive ring-out;
23. a second conductive set; 23a, a second conducting ring; 23b, a second conductive ring-out;
24. a third conductive set; 24a, a third conductive ring-in; 24b, third conductive ring-out
30. An indication mark; 31. an identification area; 32. a handle buckling groove; 33. and (4) heat dissipation holes.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and for convenience of illustration, the cross-sectional views illustrating the device structures of the embodiments of the present invention are not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Referring to fig. 1 to 6, for a first embodiment of the present invention, an adjustable inductor assembly is provided, which includes a housing 10, an indicator 30 is disposed at an upper end of the housing 10, an annular partition plate is disposed inside the housing 10, an adjustment cavity 11 and an inductance cavity 12 are partitioned inside the housing 10 by the partition plate, the inductance cavity 12 is located inside the adjustment cavity 11, a through groove is disposed at a lower end inside the inductance cavity 12, a plurality of power supply brush portions 13 are mounted on a sidewall of the housing 10, the plurality of power supply brush portions 13 are respectively denoted as a first brush set 13a and a second brush set 13b, and one end of each of the first brush set 13a and the second brush set 13b is provided with a power supply lead connected to an external power supply, and a circular magnetic core 14 is mounted inside the inductance cavity 12, and further includes:
the insulation ring 15 is rotatably connected inside the adjustment cavity 11, the upper end of the insulation ring 15 is uniformly provided with a plurality of identification areas 31 and a plurality of handle slots 32, the identification areas 31 are matched with the indication marks 30, the upper ends of the identification areas 31 are provided with state marks, the state marks at the upper ends of the identification areas 31 are different, and the state marks are used for indicating the working state of the device;
referring to fig. 4 to 7, the winding wires 16 are sequentially wound on the outer side of the toroidal core 14, the winding wires 16 are respectively denoted as a first winding 16a, a second winding 16b and a third winding 16c, in this embodiment, the first winding 16a is wound on the outer side of the toroidal core 14, the second winding 16b is wound on the outer side of the first winding 16a, the third winding 16c is wound on the outer side of the second winding 16b, the adjusting brush portions 17 are fixed at the start ends and the end ends of the winding wires 16, the power supply brush portion 13 is adapted to the adjusting brush portions 17, the adjusting brush portions 17 are respectively denoted as a first adjusting brush set 17a, a second adjusting brush set 17b and a third adjusting brush set 17c, and the first adjusting brush group 17a and the first winding 16a, the second adjusting brush group 17b and the second winding 16b, and the third adjusting brush group 17c and the third winding 16c are all adapted to each other, specifically, the adjusting brush portions 17 located at the start end and the end of the first winding 16a are respectively identified as a first carbon brush block 17a1 and a second carbon brush block 17a2, the adjusting brush portions 17 located at the start end and the end of the second winding 16b are respectively identified as a third carbon brush block 17b1 and a fourth carbon brush block 17b2, the adjusting brush portions 17 located at the start end and the end of the third winding 16c are respectively identified as a fifth carbon brush block 17c1 and a sixth carbon brush block 17c2, and specifically, the winding wire 16 may be any one of the following forms: single layer close-wound, single layer space-wound, and one winding wire 16 may comprise a single wire or a plurality of wires;
a plurality of heat-conducting separating elements 18, please refer to fig. 1, 4, 6 and 13, the heat-conducting separating elements 18 are respectively assembled between two adjacent winding wires 16, each heat-conducting separating element 18 comprises an upper shell and a lower shell, the upper shell and the lower shell are detachably connected in a clamping manner, a plurality of heat dissipation holes 33 are uniformly formed in the outer side of each heat-conducting separating element 18, the upper shell and the winding wires 16, the lower shell and the winding wires 16 are mutually attached, a plurality of heat-conducting columns 19 are inserted between the heat-conducting separating elements 18, one end of each heat-conducting column 19 located at the lowest end penetrates through the bottom of the shell 10 and extends to the lower end of the shell 10, the heat-conducting separating elements 18 and the heat-conducting columns 19 are made of non-metal materials with high heat conductivity, and the heat released by the winding wires 16 can be absorbed and transferred conveniently through the heat-conducting separating elements 18 and the heat-conducting columns 19, so that the heat dissipation performance inside the device is improved, and the arrangement of the non-metal materials can avoid the influence on the magnetic field around the winding wires 16 and improve the stability of the device;
referring to fig. 4 to 9, the inductance adjustment portions 20 are annularly distributed on the insulating ring 15, the inductance adjustment portions 20 are respectively marked as a first state portion 20a, a second state portion 20b and a third state portion 20c, the identification area 31 corresponds to the first state portion 20a, the identification area 31 corresponds to the second state portion 20b, and the identification area 31 corresponds to the third state portion 20c, the circuit connection modes in any two inductance adjustment portions 20 are different, and the first state portion 20a, the second state portion 20b, the first state portion 20a, the third state portion 20c, and the second state portion 20b and the third state portion 20c are all provided with a switching gap therebetween, and the arc lengths of the power supply brush portion 13 and the adjustment brush portion 17 close to one end of the inductance adjustment portion 20 are all greater than the switching gap, so that when the inductance of the apparatus is adjusted, an open circuit condition can be avoided in the switching process;
as shown in fig. 10 to 12, when the power supply brush portion 13 and the first status portion 20a are matched, it is marked as a first path state, and at this time, a closed path is formed among the power supply brush portion 13, the first winding 16a and the first status portion 20 a; when the power supply brush part 13 and the second state part 20b are matched, the state is recorded as a second path state, and at this time, a closed path is formed among the power supply brush part 13, the first winding 16a, the second winding 16b and the first state part 20a, and the first winding 16a and the second winding 16b are connected in series; when the power supply brush section 13 and the third status section 20c are matched, a closed path is formed between the power supply brush section 13, the first winding 16a, the second winding 16b, the third winding 16c, and the third status section 20c, and the first winding 16a, the second winding 16b, and the third winding 16c are connected in series.
Furthermore, the working state of the device can be conveniently and rapidly identified through the state marks arranged at the upper ends of the indication mark 30 and the identification area 31, and therefore workers can conveniently adjust the inductance of the device.
It should be noted that, in the present embodiment, the number of the winding wires 16 is 3, in practical applications, the number of the winding wires 16 can be adjusted according to usage requirements, and the plurality of winding wires 16 are respectively denoted as a first winding 16a, a second winding 16b, … …, and an nth winding.
In this embodiment, when the inductance of the device needs to be adjusted, the insulating ring 15 is rotated, the insulating ring 15 drives the first state portion 20a, the second state portion 20b and the third state portion 20c to rotate, so that the adjusting brush portion 17 is sequentially and alternately contacted with the first state portion 20a, the second state portion 20b and the third state portion 20c, so that the device is switched among the first path state, the second path state and the third path state, respectively, when the adjusting brush portion 17 and the first state portion 20a and the power supply brush portion 13 and the first state portion 20a are all mutually adapted, the device is in the first path state, a closed path is formed among the power supply brush portion 13, the first winding 16a, the first adjusting brush set 17a and the first state portion 20a, at this time, the inductance of the device is minimum, and the effective coil outside the ring 14 is the number of turns of the first winding 16 a; when the adjusting brush part 17 and the second state part 20b and the power supply brush part 13 and the second state part 20b are matched with each other, the device is in a second path state, a closed path is formed among the power supply brush part 13, the first winding 16a, the second winding 16b, the first adjusting brush group 17a, the second adjusting brush group 17b and the second state part 20b, and the first winding 16a and the second winding 16b are connected in series, at this time, the inductance of the device is greater than that of the first path state, and the effective number of turns of the coil outside the circular magnetic core 14 is the sum of the number of turns of the first winding 16a and the number of turns of the second winding 16 b; when the adjusting brush portion 17 and the third status portion 20c and the power supply brush portion 13 and the third status portion 20c are all adapted to each other, the device is in a third circuit state, at this time, a closed circuit is formed among the power supply brush portion 13, the first winding 16a, the second winding 16b, the third winding 16c, the first adjusting brush group 17a, the second adjusting brush group 17b, the third adjusting brush group 17c, and the third status portion 20c, and the first winding 16a, the second winding 16b, and the third winding 16c are connected in series, at this time, the inductance of the device is the largest, and the effective number of turns outside the toroidal core 14 is the sum of the number of turns of the first winding 16a, the number of turns of the second winding 16b, and the number of turns of the third winding 16c, specifically, in this embodiment, the effective number of turns is the number of turns of the coil through which current passes and generates the magnetic field after the device is powered on.
Referring to fig. 4, 5 and 9, the inductance adjustment portion 20 includes a power supply slip ring 21, a first conductive set 22, a second conductive set 23 and a third conductive set 24, the power supply slip ring 21 is fixed on the outer wall of the insulating ring 15, the power supply slip ring 21 is adapted to the power supply brush portion 13, the first conductive set 22, the second conductive set 23 and the third conductive set 24 are all fixed on the inner wall of the insulating ring 15, and the first conductive set 22 and the first adjustment brush set 17a, the second conductive set 23 and the second adjustment brush set 17b, and the third conductive set 24 and the third adjustment brush set 17c are all adapted to each other.
Further, referring to fig. 10, in the first status portion 20a, the first conductive group 22 matching with the start end of the first winding 16a is denoted as a first conductive ring-in 22a, the first carbon brush block 17a1 matches with the first conductive ring-in 22a, the first conductive group 22 matching with the end of the first winding 16a is denoted as a first conductive ring-out 22b, the second carbon brush block 17a2 matches with the first conductive ring-out 22b, and the first power supply ring 21a and the first conductive ring-in 22a, and the first conductive ring-out 22b and the second power supply ring 21b are connected by wires.
In this embodiment, when the device is in the first on-state, the adjustment brush part 17 and the first state part 20a and the power supply brush part 13 and the first state part 20a are all adapted to each other, a closed path is formed among the power supply brush part 13, the first winding 16a, the first adjustment brush group 17a and the first state part 20a, the second winding 16b and the third winding 16c are all in the off-state, and after the device is powered on, the current sequentially passes through: the inductance of the device is the minimum at this time, and the effective number of turns of the coil outside the circular magnetic core 14 is the number of turns of the first winding 16 a.
Further, referring to fig. 11, in the second status portion 20b, the second conductive group 23 matching with the start end of the second winding 16b is denoted as a second conductive ring-in 23a, the third carbon brush block 17b1 is matched with the second conductive ring-in 23a, the second conductive group 23 matching with the end of the second winding 16b is denoted as a second conductive ring-out 23b, the fourth carbon brush block 17b2 is matched with the second conductive ring-out 23b, and the first power supply ring 21a and the second conductive ring-in 23a, the second conductive ring-out 23b and the first conductive ring-in 22a, and the first conductive ring-out 22b and the second power supply ring 21b are connected by wires.
In this embodiment, when the device is in the second path state, the adjusting brush portion 17 and the second state portion 20b and the power supply brush portion 13 and the second state portion 20b are all adapted to each other, a closed path is formed among the power supply brush portion 13, the first winding 16a, the second winding 16b, the first adjusting brush set 17a, the second adjusting brush set 17b and the second state portion 20b, the first winding 16a and the second winding 16b are connected in series, the third winding 16c is in the open circuit state, and after the device is energized, the current sequentially passes through: the device comprises a first brush group 13a, a first power supply ring 21a, a second conductive ring-in 23a, a third carbon brush block 17b1, a second winding 16b, a fourth carbon brush block 17b2, a second conductive ring-out 23b, a first conductive ring-in 22a, a first carbon brush block 17a1, a first winding 16a, a second carbon brush block 17a2, a first conductive ring-out 22b, a second power supply ring 21b and a second brush group 13b, wherein at the moment, the inductance of the device is larger than that of a first access state, and the effective number of turns on the outer side of a circular magnetic core 14 is the sum of the number of turns of the first winding 16a and the number of turns of the second winding 16 b.
Further, referring to fig. 12, in the third status portion 20c, the third conductive group 24 matched with the start end of the third winding 16c is denoted as a third conductive ring-in 24a, the fifth carbon brush block 17c1 is matched with the third conductive ring-in 24a, the third conductive group 24 matched with the end of the third winding 16c is denoted as a third conductive ring-out 24b, the sixth carbon brush block 17c2 is matched with the third conductive ring-out 24b, and the first power supply ring 21a and the third conductive ring-in 24a, the third conductive ring-out 24b and the second conductive ring-in 23a, the second conductive ring-out 23b and the first conductive ring-in 22a, and the first conductive ring-out 22b and the second power supply ring 21b are connected by wires.
In this embodiment, when the device is in the third circuit state, the adjusting brush portion 17 and the third state portion 20c and the power supply brush portion 13 and the third state portion 20c are all adapted to each other, a closed circuit is formed among the power supply brush portion 13, the first winding 16a, the second winding 16b, the third winding 16c, the first adjusting brush set 17a, the second adjusting brush set 17b, the third adjusting brush set 17c and the third state portion 20c, and the first winding 16a, the second winding 16b and the third winding 16c are connected in series, and after the device is powered on, the current sequentially passes through: the inductance of the apparatus is the maximum at this time, and the effective number of turns of the coil outside the circular ring 14 is the sum of the number of turns of the first winding 16a, the number of turns of the second winding 16b, and the number of turns of the third winding 16 c.
A shielding structure is suitable for an adjustable inductor component with any structure, and comprises a shielding component (not shown in the figure), wherein the shielding component is assembled on the outer side of a shell 10, and the arrangement of the shielding component can prevent a magnetic field generated when the adjustable annular inductor works from influencing the normal work of other circuits and elements.
The working principle of the invention is as follows:
when the inductance of the device needs to be adjusted, the insulating ring 15 is rotated, the first state part 20a, the second state part 20b and the third state part 20c are driven to rotate through the insulating ring 15, so that the adjusting electric brush part 17 is sequentially contacted with the first state part 20a, the second state part 20b and the third state part 20c alternately, and the working state of the device is adjusted through the matching of the indication mark 30 and the state mark at the upper end of the identification area 31, so that the device is changed in a first path state, a second path state and a third path state respectively;
when the adjusting brush part 17 and the first state part 20a and the power supply brush part 13 and the first state part 20a are matched with each other, the device is in a first path state, a closed path is formed among the power supply brush part 13, the first winding 16a, the first adjusting brush group 17a and the first state part 20a, at this time, the inductance of the device is minimum, and the effective number of turns of the coil on the outer side of the circular magnetic core 14 is the number of turns of the first winding 16 a;
when the adjusting brush part 17 and the second state part 20b and the power supply brush part 13 and the second state part 20b are matched with each other, the device is in a second path state, a closed path is formed among the power supply brush part 13, the first winding 16a, the second winding 16b, the first adjusting brush group 17a, the second adjusting brush group 17b and the second state part 20b, and the first winding 16a and the second winding 16b are connected in series, at this time, the inductance of the device is greater than that of the first path state, and the effective number of turns of the coil outside the circular magnetic core 14 is the sum of the number of turns of the first winding 16a and the number of turns of the second winding 16 b;
when the adjusting brush portion 17 and the third state portion 20c and the power supply brush portion 13 and the third state portion 20c are all adapted to each other, the device is in a third circuit state, at this time, a closed circuit is formed between the power supply brush portion 13, the first winding 16a, the second winding 16b, the third winding 16c, the first adjusting brush group 17a, the second adjusting brush group 17b, the third adjusting brush group 17c and the third state portion 20c, and the first winding 16a, the second winding 16b and the third winding 16c are connected in series, at this time, the inductance of the device is the largest, the effective number of turns of the coil outside the circular magnetic core 14 is the sum of the number of turns of the first winding 16a, the number of turns of the second winding 16b and the number of turns of the third winding 16c, specifically, in this embodiment, the effective number of turns of the coil means the number of turns of the coil through which current passes and generates a magnetic field after the device is energized, the effective number of turns of the coil outside the circular core 14 is adjusted by adjusting the operating state of the adjusting device, so that the inductance of the device can be adjusted according to the use limitation of the device, and the inductance of the device can be used, thereby the inductance range can be increased.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. An adjustable inductor assembly, comprising: including shell (10), the inside of shell (10) is provided with an annular division board, there are adjustment chamber (11) and inductance chamber (12) in the inside of shell (10) through the division board partition, be equipped with a plurality of power supply brush portion (13) on the lateral wall of shell (10), it is a plurality of power supply brush portion (13) are marked as first brush group (13 a) and second brush group (13 b) respectively, the inside assembly in inductance chamber (12) has ring magnetic core (14), still includes:
the insulating ring (15), the said insulating ring (15) is connected to the inside of the adjustment chamber (11) rotatably;
a plurality of winding wires (16), the plurality of winding wires (16) are sequentially wound on the outer side of the circular magnetic core (14), the plurality of winding wires (16) are respectively marked as a first winding (16 a), a second winding (16 b) and a third winding (16 c), and the starting ends and the tail ends of a plurality of winding leads (16) are all fixed with adjusting electric brush parts (17), the power supply brush part (13) is matched with the adjusting brush part (17), the adjusting brush parts (17) are respectively marked as a first adjusting brush group (17 a), a second adjusting brush group (17 b) and a third adjusting brush group (17 c), the first adjusting electric brush group (17 a) and the first winding (16 a), the second adjusting electric brush group (17 b) and the second winding (16 b), and the third adjusting electric brush group (17 c) and the third winding (16 c) are matched with each other, specifically, a plurality of adjusting electric brush parts (17) located at the starting end and the tail end of the first winding (16 a) are respectively marked as a first carbon brush block (17 a 1) and a second carbon brush block (17 a 2), a plurality of adjusting electric brush parts (17) located at the starting end and the tail end of the second winding (16 b) are respectively marked as a third carbon brush block (17 b 1) and a fourth carbon brush block (17 b 2), and a plurality of adjusting electric brush parts (17) located at the starting end and the tail end of the third winding (16 c) are respectively marked as a fifth carbon brush block (17 c 1) and a sixth carbon brush block (17 c 2);
the inductance adjusting parts (20) are annularly distributed on the insulating ring (15), the inductance adjusting parts (20) are respectively marked as a first state part (20 a), a second state part (20 b) and a third state part (20 c), and the circuit connection modes in any two inductance adjusting parts (20) are different;
when the power supply brush part (13) is matched with the first state part (20 a), the state is recorded as a first passage state, and at the moment, a closed passage is formed among the power supply brush part (13), the first winding (16 a) and the first state part (20 a); when the power supply brush part (13) is matched with the second state part (20 b), the state is marked as a second path state, at the moment, a closed path is formed among the power supply brush part (13), the first winding (16 a), the second winding (16 b) and the first state part (20 a), and the first winding (16 a) and the second winding (16 b) are connected in series; when the power supply brush part (13) and the third state part (20 c) are matched, a third circuit state is recorded, at this time, a closed circuit is formed among the power supply brush part (13), the first winding (16 a), the second winding (16 b), the third winding (16 c) and the third state part (20 c), and the first winding (16 a), the second winding (16 b) and the third winding (16 c) are connected in series.
2. The adjustable inductor assembly of claim 1, wherein: switching gaps are arranged between the first state part (20 a) and the second state part (20 b), between the first state part (20 a) and the third state part (20 c) and between the second state part (20 b) and the third state part (20 c), and the arc lengths of the ends, close to the inductance adjusting part (20), of the power supply brush part (13) and the adjusting brush part (17) are all larger than the switching gaps.
3. The adjustable inductor assembly of claim 1, wherein: the inductance adjusting portion (20) comprises a power supply slip ring (21), a first conductive set (22), a second conductive set (23) and a third conductive set (24), the power supply slip ring (21) is fixed to the outer wall of the insulating ring (15), the power supply slip ring (21) is divided into a first power supply ring (21 a) and a second power supply ring (21 b), the power supply slip ring (21) and the power supply brush portion (13) are matched, the first conductive set (22), the second conductive set (23) and the third conductive set (24) are fixed to the inner wall of the insulating ring (15), and the first conductive set (22) is matched with the first adjusting brush set (17 a), the second conductive set (23) is matched with the second adjusting brush set (17 b), and the third conductive set (24) is matched with the third adjusting brush set (17 c).
4. The adjustable inductor assembly of claim 3, wherein: in the first status portion (20 a), a first conductive group (22) matched with the start end of the first winding (16 a) is marked as a first conductive ring-in (22 a), the first carbon brush block (17 a 1) is matched with the first conductive ring-in (22 a), a first conductive group (22) matched with the tail end of the first winding (16 a) is marked as a first conductive ring-out (22 b), the second carbon brush block (17 a 2) is matched with the first conductive ring-out (22 b), and the first power supply ring (21 a) and the first conductive ring-in (22 a) as well as the first conductive ring-out (22 b) and the second power supply ring (21 b) are connected through conducting wires.
5. The adjustable inductor assembly of claim 3, wherein: in the second status portion (20 b), a second conductive group (23) adapted to a start end of the second winding (16 b) is denoted as a second conductive ring-in (23 a), the third carbon brush block (17 b 1) is adapted to the second conductive ring-in (23 a), a second conductive group (23) adapted to an end of the second winding (16 b) is denoted as a second conductive ring-out (23 b), the fourth carbon brush block (17 b 2) is adapted to the second conductive ring-out (23 b), and the first power supply ring (21 a) and the second conductive ring-in (23 a), the second conductive ring-out (23 b) and the first conductive ring-in (22 a), and the first conductive ring-out (22 b) and the second power supply ring (21 b) are connected by wires.
6. The adjustable inductor assembly of claim 3, wherein: in the third status portion (20 c), a third conductive group (24) matched with the starting end of the third winding (16 c) is marked as a third conductive ring-in (24 a), the fifth carbon brush block (17 c 1) is matched with the third conductive ring-in (24 a), a third conductive group (24) matched with the tail end of the third winding (16 c) is marked as a third conductive ring-out (24 b), the sixth carbon brush block (17 c 2) is matched with the third conductive ring-out (24 b), and the first power supply ring (21 a) and the third conductive ring-in (24 a), the third conductive ring-out (24 b) and the second conductive ring-in (23 a), the second conductive ring-out (23 b) and the first conductive ring-in (22 a), and the first conductive ring-out (22 b) and the second power supply ring (21 b) are connected by wires.
7. The adjustable inductor assembly of claim 1, wherein: adjacent two all be equipped with heat conduction separating element (18) between winding wire (16), it has detachable heat conduction post (19) to peg graft between a plurality of heat conduction separating element (18), and is located the one end of a plurality of heat conduction posts (19) of bottom and all runs through the bottom of shell (10) and extends to shell (10) lower extreme, the material of heat conduction separating element (18) and heat conduction post (19) is the non-metallic material of high heat conductivity.
8. The adjustable inductor assembly of claim 1, wherein: the upper end of shell (10) is provided with indicator (30), the upper end of insulating ring (15) is provided with a plurality of discernment district (31), and one-to-one correspondence between discernment district (31) and first state portion (20 a), discernment district (31) and second state portion (20 b) and discernment district (31) and third state portion (20 c).
9. The adjustable inductor assembly of claim 7, wherein: a plurality of buckle grooves (32) are uniformly formed in the upper end of the insulating ring (15), and a plurality of heat dissipation holes (33) are uniformly formed in the outer wall of the heat conduction separation element (18).
10. A shielding structure for an adjustable inductor assembly as claimed in any one of claims 1-9, wherein: comprises a shielding assembly which is assembled on the outer side of the shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211679780.8A CN115691988B (en) | 2022-12-27 | 2022-12-27 | Adjustable inductor assembly and shielding structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211679780.8A CN115691988B (en) | 2022-12-27 | 2022-12-27 | Adjustable inductor assembly and shielding structure thereof |
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| CN115691988A CN115691988A (en) | 2023-02-03 |
| CN115691988B true CN115691988B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211679780.8A Active CN115691988B (en) | 2022-12-27 | 2022-12-27 | Adjustable inductor assembly and shielding structure thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB472490A (en) * | 1935-03-28 | 1937-09-23 | Pintsch Julius Ag | Improvements in or relating to regulating transformers |
| US2150382A (en) * | 1936-06-11 | 1939-03-14 | Pintsch Julius Kg | Regulating transformer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1299430B (en) * | 1966-11-11 | 1969-07-17 | Zachariae Oelsch Meier | Inductive displacement transducer |
| CN2042622U (en) * | 1988-06-04 | 1989-08-09 | 营口市老边电力试验设备厂 | Single-phase autoinductive coupling type contacting voltage regulator |
| JP5515426B2 (en) * | 2009-05-28 | 2014-06-11 | 日本電産株式会社 | motor |
| CN208819686U (en) * | 2018-09-15 | 2019-05-03 | 福建鼎旸信息科技股份有限公司 | A kind of variometer that sensibility reciprocal is continuously adjustable |
| CN212303353U (en) * | 2020-06-08 | 2021-01-05 | 成都宏明电子股份有限公司 | Adjustable inductor |
| CN215451078U (en) * | 2021-07-27 | 2022-01-07 | 常州鹏科电子有限公司 | Resistance-adjustable coil type inductor |
-
2022
- 2022-12-27 CN CN202211679780.8A patent/CN115691988B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB472490A (en) * | 1935-03-28 | 1937-09-23 | Pintsch Julius Ag | Improvements in or relating to regulating transformers |
| US2150382A (en) * | 1936-06-11 | 1939-03-14 | Pintsch Julius Kg | Regulating transformer |
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| Publication number | Publication date |
|---|---|
| CN115691988A (en) | 2023-02-03 |
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Denomination of invention: An adjustable inductor component and its shielding structure Effective date of registration: 20230606 Granted publication date: 20230328 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: Shenzhen tongyuanxin Power Technology Co.,Ltd. Registration number: Y2023980042979 |