Planar inductance

FIELD: physics, instrumentation.

SUBSTANCE: invention refers to the passive element base of radio and communications devices, and can be widely used in a variety of amplifiers, mixers and RLC-filters of HF and UHF bands, radio receivers and transmitters, etc. Essence: planar inductance comprises at least one coil (1) of a metal film of h1 thickness, located on an insulating substrate (2), the first (3) and the second (4) integrated inductor terminals for inclusion into the electronic circuit. An additional thin film (5) with a thickness h2 << h1 made of a material with specified electrical conductivity, having no electrical contact with the coil (1) of the planar inductor is inserted to the inner region of the coil (1) from the a metal film of h1 thickness.

EFFECT: invention provides an increase in the numerical values of L planar inductance implemented in the form of at least one coil located on the insulating substrate.

7 cl, 5 dwg, 3 tbl

 



 

Same patents:

Inductance coil // 2553472

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to radio engineering and can be used in frequency filters for radio devices for various purposes, e.g. in harmonic filters of high-power high-frequency radio transmitters. An inductance coil, comprising a cylindrical layer winding with spacing on an assembling frame, consisting of two side panels lying in parallel and connected to combs in the form of bars with a rectangular cross-section with grooves for the wire, wherein the winding is made from an insulated wire with a circular cross-section in the form of N coils laid in corresponding grooves of the combs to form turns with a non-circular shape and connected in parallel, wherein each turn of each coil has N edges, where M is the number of combs, from which two diametrically opposite combs lying in the same plane have a longer length, protrude from the side panels and have a hole for fastening. The coils are divided into K parts, where K=2, 3, 4…, wherein the turns of each subsequent part of the coils are shifted by one groove from the turns of the previous part of the coils, where in each part of the coils, the wire of each subsequent coil is laid in the corresponding grooves on top of the wire of the previous coil, and each turn of the wire of each of the parts of the coils is a broken line and has K shifts by one groove into the neighbouring plane of the winding. Each side panel is provided with a metal plate mounted thereon, having at least N+1 holes, from which N holes are intended for fastening wires at the beginning and at the end of each winding by soldering, and one hole is intended for installing an additional contact, wherein each side panel also has at least N+1 holes interfaced with holes in the metal plate mounted in the side panel, wherein the remaining M-2 combs also have a longer length and protrude from the side panels.

EFFECT: broader functional capabilities of the inductance coil.

5 dwg

Inductance coil // 2549376

FIELD: electricity.

SUBSTANCE: invention is related to electric engineering and may be used in frequency filters for wireless devices for various applications, for example, in harmonic filters of powerful high-frequency radio transmitters. An inductance coil comprises a layer cylindrical wire-spaced winding placed at a built-up frame consisting of two side panels placed in parallel and connected by strips made as rectangular bars with slots for the wire. The winding is made by a non-insulated wire of a circular section as N windings laid in the respective slots in the strips with the formation of noncircular turns connected in parallel. Each turn of each winding has M faces, where M is a number of strips with two diametrically opposed strips of an extended length, which are placed in the same plane and protruded outside the side panels and have openings for fixation. The side panels and strips are made of a heat-resistant dielectric. The remaining M - 2 strips also have an extended length and protrude outside the side panels. All the strips and side panels have a metal coating at points of their connection and ensure the possibility of their fixing together. Each side panel has N openings with the metal coating, which are interconnected and coupled to an auxiliary contact by means of a double-sided metal coating of the side panels and intended for wire fixing at the beginning and ending of each winding by soldering.

EFFECT: expansion of operational functionality.

3 dwg

Flat coil // 2481662

FIELD: electricity.

SUBSTANCE: flat coil 10 comprises parallel wires 11, arranged in one plane and spirally wound. Ends 13a and 13b of appropriate wires 11 are electrically connected to each other on leads 12a and 12b of the coil and are thus connected in parallel. Wires 11 are arranged in one plane, therefore coil thickness does not increase, and the coil 10 is thin. Besides, wires 11 are connected in parallel.

EFFECT: reduced growth of efficient resistance in a high-frequency range, as a result of surface effect reduced by arrangement of a thinner flat coil.

12 cl, 21 dwg

FIELD: electricity.

SUBSTANCE: between a primary side (1) and a secondary side (2) there is at least one transmitting unit (3), on the secondary side (2) there is at least one first channel (6) of data transfer, having at least one address, on the primary side (1) there is at least one unit (4) of frequency control, made so that it tunes the working frequency of the transmitting unit (3) in compliance with the transmitted data and in compliance with the address of at least the first channel (6), at the same time at the secondary side (2) there is at least one unit (5) provided to control load, made so that it controls electric load applied at the secondary side (2) to the transmitting unit (3), in compliance with the transmitted data and/or in compliance with the address of at least the first channel (6).

EFFECT: creation of galvanic isolation between explosive and explosion-safe areas.

9 cl, 2 dwg

Ribbon solenoid // 2395129

FIELD: electricity.

SUBSTANCE: ribbon solenoid includes coils of insulated ribbon conductor between internal and external electrodes. At least one intermediate electrode is located between coils. Places of its electrical connection to ribbon conductor are located at minimum distance one from each other on opposite surfaces of intermediate electrode.

EFFECT: increasing strength and service life of ribbon solenoid.

2 dwg

FIELD: electricity.

SUBSTANCE: pair of guide elements (65, 66) with the shape of disks is adjacent to the end surfaces of conducting wire (61) that are opposite to axis (L), at that the wire is wound in coil with application of detachable assembling accessory. Guide elements (65, 66) are spring-loaded in direction to each other by means of fixation of part of conducting wire (61) to the coupling elements (65c, 66c), which are arranged along circumference of pair of guide elements (65, 66). Then assembling accessory is removed from the center of conducting wire (61), at that shape of coil without frame is maintained (46), in which internal peripheral surface of conducting wire (61) is opened. Additionally pair of guide elements (65, 66), which have shape of disks, is spring-loaded in direction to each other by means of conducting wire (61) and, accordingly, there is no need in special spring element.

EFFECT: simplification of design.

3 cl, 7 dwg

FIELD: electrical engineering; inductive sensors in measurement technology and inductors for magnetotherapy instruments in medicine.

SUBSTANCE: proposed inductance coil has multiconductor strip-line section, rectangular dielectric box with slits to pass coil conductors, and assembly connecting starting and finishing leads of strip line conductors shifted one pitch apart. Dielectric clasp has jack and pin parts joined together and provided with slits disposed perpendicular to longitudinal axis of clasp. Strip line is passed through slits of jack and pin parts of clasp and its part is brought out on face end of clasp to its rear end; it is folded to form one bifilar loop and tightly fitted to strip line section near jack or pin part of clasp, or it is compressed to form two bifilar loops tightly fitted to strip line sections near jack and pin parts of clasp. Hole is provided in one of two side walls of slit-free box to pass electric cord into box. First leads of cord conductors are connected to contacts of connector cable section. Its second leads entered into box are connected to mentioned assembly leads. As an alternative, flat connector contacts are additionally connected in series with strip line conductors.

EFFECT: enlarged functional capabilities due to ability of varying inside dimension of coil.

7 cl, 9 dwg

Inductance coil // 2308108

FIELD: radio engineering; power amplifier harmonic filters and antenna-matching short-wave radio transmitters.

SUBSTANCE: proposed inductance coil has single-range chord winding disposed on sectional former built of two parallel side panels joined together by means of rectangular-section connecting strips with slots to receive wire. Coil is wound with round-section uninsulated wire and has N parallel-connected windings; first-winding wire is placed in respective slots of connecting strips to form other-than-round turns; wire of each next winding is placed on top of that of preceding winding in same slots of connecting strips and in same sequence as first-winding wire; each turn of each winding has M edges, where M > 4 is number of connecting strips. Newly introduced is additional panel disposed in parallel with side panels and used to join all connecting strips together in center of their length. This inductance coil has two design alternates of its fastening: (a) by means of two diametrically opposite elongated connecting strips disposed in one plane and provided with holes at ends; (b) by means of side panels provided with fastening holes.

EFFECT: reduced size of coil at sufficient surface area for winding wire.

3 cl, 3 dwg

FIELD: electrical engineering; secondary three-phase power supplies for electrical and electronic equipment.

SUBSTANCE: three cylindrical inductance coils of proposed three-phase inductance system are similar in shape and size; they have no ferromagnetic cores and are compactly disposed in system and each one is connected to respective line of three-phase supply mains. Transverse dimension of each wound cylindrical inductance coil equals its longitudinal dimension. Centers of symmetry of cylindrical inductance coils are disposed on longitudinal symmetry axis of three-phase inductance system. Winding axes of coils are orthogonal and direction of coil winding is arbitrary.

EFFECT: reduced mass and size, enhanced noise immunity.

1 cl, 1 dwg

The invention relates to the field of radio and can be used in atenololbuy devices and the nodes of the configuration of radio transmitters

FIELD: electrical engineering; secondary three-phase power supplies for electrical and electronic equipment.

SUBSTANCE: three cylindrical inductance coils of proposed three-phase inductance system are similar in shape and size; they have no ferromagnetic cores and are compactly disposed in system and each one is connected to respective line of three-phase supply mains. Transverse dimension of each wound cylindrical inductance coil equals its longitudinal dimension. Centers of symmetry of cylindrical inductance coils are disposed on longitudinal symmetry axis of three-phase inductance system. Winding axes of coils are orthogonal and direction of coil winding is arbitrary.

EFFECT: reduced mass and size, enhanced noise immunity.

1 cl, 1 dwg

Inductance coil // 2308108

FIELD: radio engineering; power amplifier harmonic filters and antenna-matching short-wave radio transmitters.

SUBSTANCE: proposed inductance coil has single-range chord winding disposed on sectional former built of two parallel side panels joined together by means of rectangular-section connecting strips with slots to receive wire. Coil is wound with round-section uninsulated wire and has N parallel-connected windings; first-winding wire is placed in respective slots of connecting strips to form other-than-round turns; wire of each next winding is placed on top of that of preceding winding in same slots of connecting strips and in same sequence as first-winding wire; each turn of each winding has M edges, where M > 4 is number of connecting strips. Newly introduced is additional panel disposed in parallel with side panels and used to join all connecting strips together in center of their length. This inductance coil has two design alternates of its fastening: (a) by means of two diametrically opposite elongated connecting strips disposed in one plane and provided with holes at ends; (b) by means of side panels provided with fastening holes.

EFFECT: reduced size of coil at sufficient surface area for winding wire.

3 cl, 3 dwg

FIELD: electrical engineering; inductive sensors in measurement technology and inductors for magnetotherapy instruments in medicine.

SUBSTANCE: proposed inductance coil has multiconductor strip-line section, rectangular dielectric box with slits to pass coil conductors, and assembly connecting starting and finishing leads of strip line conductors shifted one pitch apart. Dielectric clasp has jack and pin parts joined together and provided with slits disposed perpendicular to longitudinal axis of clasp. Strip line is passed through slits of jack and pin parts of clasp and its part is brought out on face end of clasp to its rear end; it is folded to form one bifilar loop and tightly fitted to strip line section near jack or pin part of clasp, or it is compressed to form two bifilar loops tightly fitted to strip line sections near jack and pin parts of clasp. Hole is provided in one of two side walls of slit-free box to pass electric cord into box. First leads of cord conductors are connected to contacts of connector cable section. Its second leads entered into box are connected to mentioned assembly leads. As an alternative, flat connector contacts are additionally connected in series with strip line conductors.

EFFECT: enlarged functional capabilities due to ability of varying inside dimension of coil.

7 cl, 9 dwg

FIELD: electricity.

SUBSTANCE: pair of guide elements (65, 66) with the shape of disks is adjacent to the end surfaces of conducting wire (61) that are opposite to axis (L), at that the wire is wound in coil with application of detachable assembling accessory. Guide elements (65, 66) are spring-loaded in direction to each other by means of fixation of part of conducting wire (61) to the coupling elements (65c, 66c), which are arranged along circumference of pair of guide elements (65, 66). Then assembling accessory is removed from the center of conducting wire (61), at that shape of coil without frame is maintained (46), in which internal peripheral surface of conducting wire (61) is opened. Additionally pair of guide elements (65, 66), which have shape of disks, is spring-loaded in direction to each other by means of conducting wire (61) and, accordingly, there is no need in special spring element.

EFFECT: simplification of design.

3 cl, 7 dwg

Ribbon solenoid // 2395129

FIELD: electricity.

SUBSTANCE: ribbon solenoid includes coils of insulated ribbon conductor between internal and external electrodes. At least one intermediate electrode is located between coils. Places of its electrical connection to ribbon conductor are located at minimum distance one from each other on opposite surfaces of intermediate electrode.

EFFECT: increasing strength and service life of ribbon solenoid.

2 dwg

FIELD: electricity.

SUBSTANCE: between a primary side (1) and a secondary side (2) there is at least one transmitting unit (3), on the secondary side (2) there is at least one first channel (6) of data transfer, having at least one address, on the primary side (1) there is at least one unit (4) of frequency control, made so that it tunes the working frequency of the transmitting unit (3) in compliance with the transmitted data and in compliance with the address of at least the first channel (6), at the same time at the secondary side (2) there is at least one unit (5) provided to control load, made so that it controls electric load applied at the secondary side (2) to the transmitting unit (3), in compliance with the transmitted data and/or in compliance with the address of at least the first channel (6).

EFFECT: creation of galvanic isolation between explosive and explosion-safe areas.

9 cl, 2 dwg

Flat coil // 2481662

FIELD: electricity.

SUBSTANCE: flat coil 10 comprises parallel wires 11, arranged in one plane and spirally wound. Ends 13a and 13b of appropriate wires 11 are electrically connected to each other on leads 12a and 12b of the coil and are thus connected in parallel. Wires 11 are arranged in one plane, therefore coil thickness does not increase, and the coil 10 is thin. Besides, wires 11 are connected in parallel.

EFFECT: reduced growth of efficient resistance in a high-frequency range, as a result of surface effect reduced by arrangement of a thinner flat coil.

12 cl, 21 dwg

Inductance coil // 2549376

FIELD: electricity.

SUBSTANCE: invention is related to electric engineering and may be used in frequency filters for wireless devices for various applications, for example, in harmonic filters of powerful high-frequency radio transmitters. An inductance coil comprises a layer cylindrical wire-spaced winding placed at a built-up frame consisting of two side panels placed in parallel and connected by strips made as rectangular bars with slots for the wire. The winding is made by a non-insulated wire of a circular section as N windings laid in the respective slots in the strips with the formation of noncircular turns connected in parallel. Each turn of each winding has M faces, where M is a number of strips with two diametrically opposed strips of an extended length, which are placed in the same plane and protruded outside the side panels and have openings for fixation. The side panels and strips are made of a heat-resistant dielectric. The remaining M - 2 strips also have an extended length and protrude outside the side panels. All the strips and side panels have a metal coating at points of their connection and ensure the possibility of their fixing together. Each side panel has N openings with the metal coating, which are interconnected and coupled to an auxiliary contact by means of a double-sided metal coating of the side panels and intended for wire fixing at the beginning and ending of each winding by soldering.

EFFECT: expansion of operational functionality.

3 dwg

Inductance coil // 2553472

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to radio engineering and can be used in frequency filters for radio devices for various purposes, e.g. in harmonic filters of high-power high-frequency radio transmitters. An inductance coil, comprising a cylindrical layer winding with spacing on an assembling frame, consisting of two side panels lying in parallel and connected to combs in the form of bars with a rectangular cross-section with grooves for the wire, wherein the winding is made from an insulated wire with a circular cross-section in the form of N coils laid in corresponding grooves of the combs to form turns with a non-circular shape and connected in parallel, wherein each turn of each coil has N edges, where M is the number of combs, from which two diametrically opposite combs lying in the same plane have a longer length, protrude from the side panels and have a hole for fastening. The coils are divided into K parts, where K=2, 3, 4…, wherein the turns of each subsequent part of the coils are shifted by one groove from the turns of the previous part of the coils, where in each part of the coils, the wire of each subsequent coil is laid in the corresponding grooves on top of the wire of the previous coil, and each turn of the wire of each of the parts of the coils is a broken line and has K shifts by one groove into the neighbouring plane of the winding. Each side panel is provided with a metal plate mounted thereon, having at least N+1 holes, from which N holes are intended for fastening wires at the beginning and at the end of each winding by soldering, and one hole is intended for installing an additional contact, wherein each side panel also has at least N+1 holes interfaced with holes in the metal plate mounted in the side panel, wherein the remaining M-2 combs also have a longer length and protrude from the side panels.

EFFECT: broader functional capabilities of the inductance coil.

5 dwg

Inductance coil // 2593266

FIELD: electrical engineering.

SUBSTANCE: invention is related to electric engineering and may be used in frequency filters for wireless devices for various applications, for example, in harmonic filters of powerful high-frequency radio transmitters. Inductance coil comprises layer cylindrical winding form wire with pitch, arranged on collecting frame. Frame is made up of two plates, connected to each other and located parallel to each other. First plate is located inside winding and has at ends two rows of slots to accommodate wires with pitch equal to pitch of winding. Second plate is located outside winding and has at ends slots for winding leads. Both plates along the length project beyond end surfaces of winding and are equipped in this part with holes for fastening plates with each other and together with winding by means of screw connection. Wherein width of first plate at end parts, as well as distance between opposed slots in their lower part are equal to inner diameter of winding. Row of slots at one end of first plate is shifted relative to row of slots at other end by half pitch.

EFFECT: technical result consists in design simplification, reduced labor input and possibility of adjusting inductance.

3 cl, 6 dwg

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