Coil winding structure capable of reducing turn-to-turn voltage breakdown hidden danger

Abstract

The utility model discloses a coil winding structure capable of reducing turn-to-turn voltage breakdown hidden danger, which relates to the technical field of coil winding and comprises a circuit board and a plurality of groups of transmitting coil windings. The wire body series head ends and the wire body series tail ends of different transmitting coil windings are electrically connected to form a series circuit; one side of the circuit board is provided with a plurality of winding areas which are sequentially and continuously formed from the position close to the central area to the position away from the central area, and each group of transmitting coil windings are wound on the winding areas different from the winding areas where the other transmitting coil windings are located; an original single large winding is divided into a plurality of independent small windings, and then the independent windings are connected in series, so that the voltage difference between turns is solved; by dividing the winding into a plurality of independent small windings, parameters such as spacing, layer number, proportion and the like of each group of windings can be more accurately controlled, so that the quality and the performance of a product are ensured, errors possibly occurring in a traditional monofilament winding mode are effectively avoided, and the stability and the reliability of the product are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coil winding technical field especially relates to a coil winding structure reducing interturn voltage breakdown hidden danger. BACKGROUND

[0002] Based on the energy exchange between LC resonant circuits. Both transmitting and receiving devices contain one or more LC loops tuned to the same frequency, when they are adjusted to the same natural frequency, energy can be efficiently transferred between the two.

[0003] Limited by the transmission distance, the design usually needs higher voltage, but after the transmitting end voltage is improved, the insulation layer of the conductor wire will be interturn voltage breakdown and cause short circuit hidden danger.

[0004] Therefore, the coil winding structure applied to this scene, the difficulty lies in how to meet the power of electrical transmission and control the interturn voltage difference between the windings cannot breakdown the insulation layer of the conductor, so as to ensure that the coil can work stably and accurately. UTILITY MODEL CONTENTS

[0005] The utility model overcomes the above-mentioned situation shortage, aims at providing a kind of technical scheme capable of solving above-mentioned problem.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of coil winding structure reducing interturn voltage breakdown hidden danger, including

[0007] Circuit board;

[0008] Multiple sets of transmitting coil windings are wound on one side of the circuit board;

[0009] Wherein, each set of transmitting coil windings has a wire body series connection head end and a wire body series connection tail end passing from one side of the circuit board to the other side of the circuit board;

[0010] The wire body series connection head end and the wire body series connection tail end of different transmitting coil windings are electrically connected to form a series circuit with multiple sets of transmitting coil windings;

[0011] A center area corresponding to the inner channel of the transmitting coil winding is formed on one side of the circuit board, and a plurality of winding areas are formed on one side of the circuit board from the center area to the center area, each set of transmitting coil windings is wound on a winding area different from other transmitting coil windings.

[0012] As a further scheme of the utility model: the circuit board is provided with a positioning member;The positioning member is connected to the circuit board and constitutes a force applied to the transmitting coil winding along the side of the circuit board close to the transmitting coil winding.

[0013] As a further scheme of the utility model: the positioning member includes an insulating adhesive tape; the center area of one side of the circuit board has a channel penetrating through the circuit board, and the insulating adhesive tape is configured to fasten or wind the transmitting coil winding on one side of the circuit board after penetrating through the channel and bypassing the edge of the circuit board.

[0014] As a further scheme of the utility model: the positioning member further includes a winding area separator arranged between adjacent winding areas, and the winding area separator is configured to separate the transmitting coil windings on the adjacent winding areas.

[0015] As a further scheme of the utility model: a plurality of winding area separators are arranged between the adjacent winding areas; and the insulating adhesive tape has a plurality of.

[0016] As a further scheme of the utility model: the plurality of winding area separators and the plurality of insulating adhesive tapes are arranged in a staggered manner in the winding direction.

[0017] As a further scheme of the utility model: the line body series connection first end and / or the line body series connection last end has a proximal end close to the other side of the circuit board and a distal end away from the other side of the circuit board; and a connecting member is arranged on the proximal end to limit the proximal end from being pulled out from the other side of the circuit board to one side of the circuit board.

[0018] As a further scheme of the utility model: the connecting member includes a heat shrinkable sleeve arranged on the proximal end.

[0019] Compared with the prior art, the technical scheme has the beneficial effects that: the originally single large winding is divided into a plurality of separate small windings, and each separate winding is connected in series, thereby solving the turn-to-turn voltage difference; by being divided into a plurality of separate small windings, the spacing, the number of layers, the proportion and other parameters of each winding group can be more accurately controlled, thereby ensuring the quality and performance of the product, effectively avoiding errors that may occur in the traditional single-wire winding method, and improving the stability and reliability of the product.

[0020] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0022] Figure 1 is the structure perspective view of the utility model;

[0023] Figure 2 is another structure perspective view of the utility model, it is different with Figure 1 view direction.

[0024] The corresponding label explanation in drawing is as follows:

[0025] Circuit board-1,

[0026] Transmit coil winding-2a, 2b, 2c, 2d,

[0027] Line body series connection first end-3a, 3b, 3c, 3d,

[0028] Line body series connection end-4a, 4b, 4c, 4d,

[0029] Insulating tape-5,

[0030] Winding area separator-6,

[0031] Connecting piece-7,

[0032] Center area-101,

[0033] Winding area-102a, 102b, 102c, 102d,

[0034] Passage-103. DETAILED DESCRIPTION

[0035] The technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0036] Please refer to Figures 1-2 A coil winding structure reducing interturn voltage breakdown risk, including circuit board 1 and multiple groups of transmit coil winding (2a, 2b, 2c, 2d). Multiple groups of transmit coil winding are wound on one side of circuit board.

[0037] Each group of transmit coil winding has line body series connection first end from one side of circuit board 1 to the other side of circuit board 1, line body series connection end, and the line body series connection first end of different transmit coil winding is electrically connected with the line body series connection end, to form the series circuit of multiple groups of transmit coil winding.

[0038] The series connection end 4a of the wire body of the transmitting coil winding 2a is connected with the series connection start end 3b of the wire body of the transmitting coil winding 2b, the series connection end 4b of the wire body of the transmitting coil winding 2b is connected with the series connection start end 3c of the wire body of the transmitting coil winding 2c, and the series connection end 4c of the wire body of the transmitting coil winding 2c is connected with the series connection start end 3d of the wire body of the transmitting coil winding 2d. In some embodiments, when the series connection start end and the series connection end of the wire body of different transmitting coil windings are electrically connected, a corresponding electrical element can be arranged between the two to serially connect the two through the corresponding electrical element.

[0039] A center area 101 corresponding to the inner passage of the transmitting coil winding is formed on one side of the circuit board 1, and a plurality of winding areas (102a, 102b, 102c, 102d) formed successively and continuously away from the center area 101 are formed on one side of the circuit board 1, and each group of transmitting coil windings is wound on a winding area different from the winding area of other transmitting coil windings. Each transmitting coil winding has less mutual influence.

[0040] In some embodiments, the coil is wound by using the alpha process.

[0041] In this embodiment, by dividing the originally single large winding into a plurality of separate small windings, and then connecting the separate windings in series, the voltage difference between turns is solved.

[0042] For example, a single large winding of 32 turns is divided into four separate small windings of 8 turns, and then the separate windings are connected in series to form a winding of 32 turns.

[0043] In this embodiment, by designing the voltage difference and phase of each winding, the electric field coupling requirement between windings is solved, the total number of turns required by the transmitting end is met through the series connection of the circuit board, and the turn-to-turn voltage value is ensured not to exceed the limit withstand voltage value of the insulated wire.

[0044] In this embodiment, by dividing into a plurality of separate small windings, the spacing, number of layers, proportion and other parameters of each winding can be more accurately controlled, thereby ensuring the quality and performance of the product, effectively avoiding errors that may occur in the traditional single-wire winding method, and improving the stability and reliability of the product.

[0045] In this embodiment, the circuit board 1 is provided with a positioning member. The positioning member is connected to the circuit board 1 and exerts a force on the transmitting coil winding in the direction of the side close to the circuit board 1.

[0046] In some embodiments, the positioning member comprises an insulating tape 5. The central region 101 of one side of the circuit board 1 has a through channel 103 through the circuit board, and the insulating tape 5 is configured to fasten or wrap the transmitting coil winding on one side of the circuit board 1 after passing through the through channel 103 and bypassing the edge of the circuit board 1.

[0047] Further, the positioning member further comprises a winding region separator 6 arranged between adjacent winding regions, and the winding region separator 6 is configured to separate the transmitting coil windings on the adjacent winding regions.

[0048] In some embodiments, there are a plurality of winding region separators 6 between the adjacent winding regions; and the insulating tape 5 has a plurality of.

[0049] Preferably, the plurality of winding region separators and the plurality of insulating tapes are arranged staggered in the winding direction.

[0050] In the present embodiment, the wire body series first end and / or the wire body series last end has a proximal end close to the other side of the circuit board 1 and has a distal end away from the other side of the circuit board 1.

[0051] The proximal end is provided with a connecting member 7 for limiting the proximal end from escaping from the other side of the circuit board 1 to one side of the circuit board 1.

[0052] In some embodiments, the connecting member 7 comprises a heat shrink sleeve sleeved on the proximal end, and the heat shrink sleeve can be heated to shrink, thereby forming a connecting and fixing structure.

[0053] In the present embodiment, the winding region positioning design and anti-loosening design formed by the positioning member and the connecting member 7 make each group of transmitting coil windings less affected by each other, and each group of transmitting coil windings is more stably maintained on the circuit board.

[0054] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A coil winding structure that reduces the risk of turn-to-turn voltage breakdown, characterized by, The circuit board comprises a plurality of groups of transmitting coil windings wound on one side of the circuit board; each group of transmitting coil windings has a wire string series head and a wire string series tail that pass through the other side of the circuit board from the one side of the circuit board; the wire string series heads and the wire string series tails of different transmitting coil windings are electrically connected to form a series circuit of the plurality of groups of transmitting coil windings; a central region corresponding to the inner passage of the transmitting coil windings is formed on the one side of the circuit board, and a plurality of winding regions formed successively from the central region to the other side of the circuit board are formed on the one side of the circuit board, each group of transmitting coil windings being wound on a winding region different from the winding regions of other groups of transmitting coil windings. The circuit board is provided with a positioning member; 2. The coil winding structure according to claim 1, characterized in that, the positioning member is connected to the circuit board and exerts a force on the transmitting coil windings in a direction close to the one side of the circuit board. The positioning member comprises an insulating tape; 3. The coil winding structure of claim 2, wherein the central region of the one side of the circuit board has a passage through the circuit board, and the insulating tape is used to fasten or wrap the transmitting coil windings on the one side of the circuit board after passing through the passage and bypassing the edge of the circuit board. The positioning member further comprises a winding region separator arranged between adjacent winding regions, and the winding region separator is used to separate the transmitting coil windings on the adjacent winding regions.

4. The coil winding structure of claim 3, wherein 5. The coil winding structure according to claim 4, wherein a plurality of winding region separators are arranged between the adjacent winding regions; the insulating tape has a plurality of. The plurality of winding region separators and the plurality of insulating tapes are arranged in a staggered manner in the winding direction.

6. The coil winding structure of claim 5, wherein The wire string series head and / or the wire string series tail has a proximal end close to the other side of the circuit board and a distal end away from the other side of the circuit board; 7. The coil winding structure according to any one of claims 1 to 6, characterized in that, a connecting member is mounted on the proximal end to limit the proximal end from escaping from the other side of the circuit board to the one side of the circuit board. The connecting member comprises a heat-shrinkable sleeve arranged on the proximal end.

8. The coil winding structure of claim 7, wherein, ​

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