CN112462309A - Magnetic resonance coil device for wireless power transmission - Google Patents

Magnetic resonance coil device for wireless power transmission Download PDF

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Publication number
CN112462309A
CN112462309A CN202011186395.0A CN202011186395A CN112462309A CN 112462309 A CN112462309 A CN 112462309A CN 202011186395 A CN202011186395 A CN 202011186395A CN 112462309 A CN112462309 A CN 112462309A
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China
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sealing plate
circular sealing
power transmission
wireless power
conical
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CN202011186395.0A
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傅文珍
高慧敏
刘春元
傅腾飞
叶高杰
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Jiaxing University
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Jiaxing University
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Priority to CN202011186395.0A priority Critical patent/CN112462309A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR

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  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to the technical field of wireless power transmission coils, and particularly discloses a magnetic resonance coil device for wireless power transmission; a magnetic resonance coil device for wireless power transmission comprises a conical winding table, a front-end circular sealing plate and a rear-end circular sealing plate, wherein a plurality of protruding ribs are connected to the conical outer circular surface of the conical winding table in an annular array mode, a winding bayonet is formed in each protruding rib, the winding bayonets formed in each protruding rib are all connected and arranged in a cone shape, a cone-shaped coil is wound on the periphery of the conical winding table, and the cone-shaped coil is sequentially clamped into the bottom of each winding bayonet on each protruding rib during winding; compared with the prior art, the coil of the wireless power transmission magnetic resonance coil device has better fixing effect after being wound, so that various parameters of the coil can be kept stable and unchanged, the problem of coil looseness can be avoided, and the service life of the wireless power transmission magnetic resonance coil is effectively guaranteed.

Description

Magnetic resonance coil device for wireless power transmission
Technical Field
The invention relates to the technical field of wireless power transmission coils, and particularly discloses a magnetic resonance coil device for wireless power transmission.
Background
As early as in the middle and late 19 th century, the well-known electrical engineer, nigula tesla, proposed the concept of Wireless Power Transfer (WPT) technology, and carried out relevant experimental studies by using the Wireless Power Transfer principle, so as to lay a theoretical and practical foundation for the development of the Wireless Power Transfer technology in the future. Since then, wireless power transmission techniques have received increasing attention and research. With the development of wireless power transmission technology, the application of the wireless power transmission technology is more and more going into our lives.
The magnetic resonance coupling wireless power transmission technology utilizes two or more electromagnetic systems with the same resonance frequency and high quality factor, electromagnetic resonance is generated through the coupling effect of an inductor and a capacitor working at a specific frequency, and high-frequency electric energy is exchanged in a large proportion in a near field area where a resonance coil works and is absorbed by a load. The resonance coil is used as a wireless electric energy transmission bridge, plays a vital role in the whole system, determines performance parameters such as energy transmission distance, power and efficiency, and the resonance coil with excellent performance is beneficial to improving the system performance.
At present, the accuracy of the power transmission coil manufactured by hand is low, and meanwhile, the manufactured coil lacks an effective shape fixing device, so that the coil is easy to deform in the using process, the power transmission efficiency of the coil manufactured by hand cannot reach a theoretical value, and the experiment is affected very adversely.
The invention with the patent number CN201610268057.9 discloses a manufacturing method of a wireless power transmission coil molding slot disc, which comprises the following steps: 1) establishing a wireless electric energy transmission efficiency optimization objective function; 2) inputting parameters such as a transmitting coil and a receiving coil into an objective function to solve, and obtaining geometric parameters of the transmitting coil and the receiving coil with optimal wireless power transmission efficiency; 3) generating a model of a slot disk for molding a transmitting coil and a receiving coil by software; 4) and printing the slot trays for forming the transmitting coil and the receiving coil by a 3D printer. The invention realizes that the parameters of wireless power transmission are directly converted into the parameters required by the coil to be directly used for producing the corresponding power transmission coil, a transmitting coil and a receiving coil with the transmission efficiency close to the optimal can be obtained, and the obtained slot disc can greatly improve the working efficiency of winding the power transmission coil and the accuracy of the slot, but the wireless power transmission coil forming slot disc disclosed by the invention has poor coil fixing effect, cannot effectively fix the wound coil, and is easy to slip from the slot around the coil on the slot disc in the long-time use process, so that the position of the whole coil is deviated, and the designed parameter value of the coil is changed, thereby causing the power transmission failure. Therefore, in view of the above-mentioned shortcomings of the conventional wireless power transmission coil forming slot tray, it is a technical problem to be solved to design a magnetic resonance coil device for wireless power transmission, which can effectively fix a coil with well-designed parameters.
Disclosure of Invention
The invention aims to solve the technical problem of designing a magnetic resonance coil device for wireless power transmission, which can effectively fix a coil with well-designed parameters, aiming at the defects of the conventional wireless power transmission coil forming slot disc.
The invention is realized by the following technical scheme:
a magnetic resonance coil device for wireless power transmission comprises a conical winding table, wherein a through hole is formed in the central axis of the conical winding table, an internal thread is formed in the front end of the inner wall of the through hole, a plurality of protruding ribs are connected to the conical outer circular surface of the conical winding table in an annular array mode, the protruding ribs are arranged in parallel with the conical outer circular surface, each protruding rib is provided with a winding bayonet, all the winding bayonets formed in the protruding ribs are connected in a tower conical mode, a tower conical coil is wound on the periphery of the conical winding table, the tower conical coil is sequentially clamped into the bottom of each winding bayonet on the protruding ribs during winding, and a power positive wiring end and a power negative wiring end are connected to the front portion and the rear portion of the tower conical coil respectively;
the front side of the conical winding table is provided with a front-end circular sealing plate, the diameter of the front-end circular sealing plate is larger than the outer diameter of an annular surface formed by the front ends of a plurality of protruding ribs, the circle center of the rear side of the front-end circular sealing plate is connected with a connecting through pipe, the outer diameter of the connecting through pipe is the same as the size of the inner wall of a through hole, the outer circular surface of the connecting through pipe is provided with a through pipe external thread matched with the internal thread, the inner wall of the connecting through pipe is provided with a through pipe internal thread, the left end and the right end of the front-end circular sealing plate are both connected with first lugs, the first lugs are both provided with first connecting holes, the rear side of the conical winding table is provided with a rear-end circular sealing plate, the diameter of the rear-end circular sealing plate is larger than the outer diameter of the annular surface formed by the rear ends of the plurality of protruding, insert the outer wall diameter of takeover and be the same with the inner wall size of being connected the siphunculus, just go into the surface of takeover and offer with siphunculus internal thread matched with insert takeover external screw thread, both ends all are connected with the second lug about the circular shrouding of rear end, the second connecting hole has been seted up on the second lug, a plurality of threaded connection through-holes have still been seted up on the circular shrouding of rear end, and a plurality of threaded connection through-hole is the annular array setting for the center at the centre of a circle of the circular shrouding of rear end after the threaded connection through-hole, the corresponding threaded connection blind hole with every threaded connection through-hole, every are seted up to the trailing flank of toper wire winding platform all be provided with connecting screw between threaded connection through-hole and the threaded connection blind hole, positive.
As a further arrangement of the above scheme, the lower circular surface of the front end circular sealing plate is connected with a first supporting plate, the lower end of the first supporting plate is connected with a first fixing bottom plate, the lower circular surface of the rear end circular sealing plate is connected with a second supporting plate, and the lower end of the second supporting plate is connected with a second fixing bottom plate.
As a further configuration of the above solution, the front projection shape of the pyramid-shaped coil is an archimedean spiral shape.
As a further arrangement of the scheme, the spiral number of the conical coil of the tower is not less than three.
As a further arrangement of the scheme, 12-36 convex ribs are connected to the conical outer circular surface of the conical winding table.
According to the scheme, the depth of the winding bayonet arranged on the raised rib is larger than half of the vertical height of the raised rib.
According to the scheme, the conical winding table, the front end circular sealing plate and the rear end circular sealing plate are all made of non-conductive high-strength insulating materials.
According to the scheme, the conical winding table, the front end circular sealing plate and the rear end circular sealing plate are all made of plastic materials through extrusion forming.
As a further arrangement of the above scheme, the number of the threaded through holes formed in the rear end circular sealing plate is 6 to 12.
Compared with the prior art, the invention has the following beneficial effects:
1) when the coil is wound, the coil can be directly clamped and fixed during winding due to the ordered design of the winding bayonets in the raised ribs on the outer circular surface of the conical winding table, and the coil clamped into the corresponding winding bayonets is arranged in an Archimedes spiral line shape in the projection reverse direction, so that the directly obtained parameters of the wound coil can be determined.
2) The main body of the magnetic resonance coil device disclosed by the invention is detachably connected with the conical winding table, the front-end circular sealing plate and the rear-end circular sealing plate, after specific winding, the front-end circular sealing plate and the rear-end circular sealing plate can be fixedly connected with the front end and the rear end of the conical winding table directly under the connecting action of the connecting through pipe and the inserting connection pipe, so that the coil after winding is fixed, the whole operation process is simple and convenient, and the coil can be conveniently replaced subsequently; in addition, the whole wireless power transmission magnetic resonance coil device can be stably fixed on a machine table through the arrangement of the lug lugs, the supporting plate and the fixing bottom plate, the stability of the magnetic resonance coil device during operation of a magnetic resonance line is guaranteed, and the wireless power transmission magnetic resonance coil device is simple in whole and has excellent effect on a wireless power transmission process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first three-dimensional structure of a conical winding table and a raised rib according to the present invention;
FIG. 3 is a schematic diagram of a second three-dimensional structure of the conical winding table and the protruding ribs according to the present invention;
FIG. 4 is a schematic perspective view of a tower-type conical coil according to the present invention;
FIG. 5 is a semi-sectional perspective view of the front end circular seal, the connection, the first support plate, etc. of the present invention;
FIG. 6 is a schematic view of a first-angle three-dimensional structure of a rear-end circular sealing plate, an insertion pipe, a second supporting plate, and the like according to the present invention;
fig. 7 is a schematic view of a second-angle three-dimensional structure of the rear end circular sealing plate, the insertion connection pipe, the second support plate and the like of the present invention.
Wherein, 1-conical winding table, 101-through hole, 102-internal thread, 103-raised rib, 104-winding bayonet, 105-tower conical coil, 1051-power supply positive terminal, 1052-power supply negative terminal;
2-front end circular closing plate, 201-connecting through pipe, 202-through pipe external thread, 203-first lug, 204-first connecting hole, 205-through pipe internal thread, 206-first supporting plate, 207-second supporting plate;
3-rear end circular closing plate, 301-insertion connecting pipe, 302-insertion connecting pipe external thread, 303-second lug, 304-second connecting hole, 305-threaded connecting through hole, 306-connecting screw, 307-second supporting plate and 308-second fixing bottom plate.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
It should be noted that the terms "first" and "second" in the description of the present invention are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
A magnetic resonance coil apparatus for wireless power transmission according to the present invention will be further described with reference to fig. 1 to 7.
Example 1
In this embodiment 1, a magnetic resonance coil apparatus for wireless power transmission is described, and referring to fig. 1, the main structure thereof includes a conical winding table 1, a front end circular closing plate 2 and a rear end circular closing plate 3. Referring to fig. 2 and 3, a through hole 101 is formed in a central axis of the conical winding table 1, an internal thread 102 is formed at a front end of an inner wall of the through hole 101, a plurality of protruding ribs 103 are connected to a conical outer circumferential surface of the conical winding table 1 in an annular array, when the wireless power transmission magnetic resonance coil device is specifically set, 12 to 36 protruding ribs 103 are connected to the conical outer circumferential surface of the conical winding table 1, are determined according to the size of the conical winding table 1, and are arranged in parallel to the conical outer circumferential surface of the protruding ribs 103. Each of the raised ribs 103 is provided with a winding bayonet 104, the depth of the winding bayonet 104 formed on the raised rib 103 is greater than half of the vertical height of the raised rib 103, and the winding bayonets 104 formed on the raised ribs 103 are all connected to form a pyramid. Referring to fig. 1 and 4, a conical coil 105 is wound around the periphery of the conical winding table 1, the conical coil 105 is sequentially clamped into the bottom of each winding bayonet 104 on the raised rib 103 during winding, a positive power terminal 1051 and a negative power terminal 1052 are respectively connected to the front and the back of the conical coil 105, and the positive power terminal 1051 and the negative power terminal 1052 are connected with the positive and negative poles of the power to be transmitted. When the tower-shaped conical coil 105 is specifically arranged, the front projection shape of the tower-shaped conical coil 105 is an Archimedes spiral line shape, the number of spiral turns of the tower-shaped conical coil 105 is not less than three turns, and the number of spiral turns of the tower-shaped conical coil is 5-6 turns.
Referring to fig. 5, a front end circular sealing plate 2 is arranged on the front side of the conical winding table 1, the diameter of the front end circular sealing plate 2 is larger than the outer diameter of an annular surface formed by the front ends of the plurality of protruding ribs 103, a connection through pipe 201 is connected to the center of the rear side of the front end circular sealing plate 2, the outer diameter of the connection through pipe 201 is the same as the inner wall of the through hole 101, a through pipe external thread 202 matched with the internal thread 102 is arranged on the outer circular surface of the connection through pipe 201, a through pipe internal thread 205 is arranged on the inner wall of the connection through pipe 201, first lugs 203 are connected to the left end and the right end of the front end circular sealing plate 2, first connection holes 204 are arranged on the first lugs 203, and are fixedly connected with external body equipment through the first connection holes 204.
Referring to fig. 6 and 7, the rear side of toper wire winding platform 1 is provided with the circular shrouding 3 of rear end, and the diameter of the circular shrouding 3 of rear end is greater than the annular face external diameter that a plurality of protruding ribs 103 rear end is constituteed, the circular department of front side of the circular shrouding 3 of rear end is connected with and inserts takeover 301 that can insert connecting pipe 201 inside, the outer wall diameter that inserts takeover 301 is the same with the inner wall size of connecting pipe 201, and the surface of going into takeover 301 has been seted up and has been inserted takeover external screw thread 302 with siphunculus internal thread 205 matched with, both ends all are connected with second lug 303 about the circular shrouding 3 of rear end, second connecting hole 304 has been seted up on the. The rear end circular sealing plate 3 is further provided with a plurality of threaded connection through holes 305, when the rear end circular sealing plate 3 is specifically arranged, the number of the threaded connection through holes 305 formed in the rear end circular sealing plate 3 is 6-12, the plurality of threaded connection through holes 305 are arranged in an annular array mode with the circle center of the rear end circular sealing plate 3 as the center, the rear side face of the conical winding table 1 is provided with threaded connection blind holes 106 corresponding to each threaded connection through hole 305, each connecting screw 306 is arranged between each threaded connection through hole 305 and each threaded connection blind hole 106, and the power supply positive terminal and the power supply negative terminal respectively penetrate through the front end circular sealing plate 2 and the rear end circular sealing plate 3 (refer to the attached drawing 1).
Finally, in this embodiment 1, the conical winding table 1, the front circular sealing plate 2, and the rear circular sealing plate 3 are all made of a non-conductive ceramic material, and have good strength and insulation properties.
Example 2
Embodiment 2 discloses a magnetic resonance coil device for wireless power transmission, which is improved based on embodiment 1, and with reference to fig. 1, the main structure of the magnetic resonance coil device includes a conical winding table 1, a front end circular sealing plate 2, and a rear end circular sealing plate 3. Referring to fig. 2 and 3, a through hole 101 is formed in a central axis of the conical winding table 1, an internal thread 102 is formed at a front end of an inner wall of the through hole 101, a plurality of protruding ribs 103 are connected to a conical outer circumferential surface of the conical winding table 1 in an annular array, when the wireless power transmission magnetic resonance coil device is specifically set, 12 to 36 protruding ribs 103 are connected to the conical outer circumferential surface of the conical winding table 1, are determined according to the size of the conical winding table 1, and are arranged in parallel to the conical outer circumferential surface of the protruding ribs 103. Each of the raised ribs 103 is provided with a winding bayonet 104, the depth of the winding bayonet 104 formed on the raised rib 103 is greater than half of the vertical height of the raised rib 103, and the winding bayonets 104 formed on the raised ribs 103 are all connected to form a pyramid. Referring to fig. 1 and 4, a conical coil 105 is wound around the periphery of the conical winding table 1, the conical coil 105 is sequentially clamped into the bottom of each winding bayonet 104 on the raised rib 103 during winding, a positive power terminal 1051 and a negative power terminal 1052 are respectively connected to the front and the back of the conical coil 105, and the positive power terminal 1051 and the negative power terminal 1052 are connected with the positive and negative poles of the power to be transmitted. When the tower-shaped conical coil 105 is specifically arranged, the front projection shape of the tower-shaped conical coil 105 is an Archimedes spiral line shape, the number of spiral turns of the tower-shaped conical coil 105 is not less than three turns, and the number of spiral turns of the tower-shaped conical coil is 5-6 turns.
Referring to fig. 5, a front end circular sealing plate 2 is arranged on the front side of the conical winding table 1, the diameter of the front end circular sealing plate 2 is larger than the outer diameter of an annular surface formed by the front ends of the plurality of protruding ribs 103, a connection through pipe 201 is connected to the center of the rear side of the front end circular sealing plate 2, the outer diameter of the connection through pipe 201 is the same as the inner wall of the through hole 101, a through pipe external thread 202 matched with the internal thread 102 is arranged on the outer circular surface of the connection through pipe 201, a through pipe internal thread 205 is arranged on the inner wall of the connection through pipe 201, first lugs 203 are connected to the left end and the right end of the front end circular sealing plate 2, first connection holes 204 are arranged on the first lugs 203, and are fixedly connected with external body equipment through the first connection holes 204.
Referring to fig. 6 and 7, the rear side of toper wire winding platform 1 is provided with the circular shrouding 3 of rear end, and the diameter of the circular shrouding 3 of rear end is greater than the annular face external diameter that a plurality of protruding ribs 103 rear end is constituteed, the circular department of front side of the circular shrouding 3 of rear end is connected with and inserts takeover 301 that can insert connecting pipe 201 inside, the outer wall diameter that inserts takeover 301 is the same with the inner wall size of connecting pipe 201, and the surface of going into takeover 301 has been seted up and has been inserted takeover external screw thread 302 with siphunculus internal thread 205 matched with, both ends all are connected with second lug 303 about the circular shrouding 3 of rear end, second connecting hole 304 has been seted up on the. The rear end circular sealing plate 3 is further provided with a plurality of threaded connection through holes 305, when the rear end circular sealing plate 3 is specifically arranged, the number of the threaded connection through holes 305 formed in the rear end circular sealing plate 3 is 6-12, the plurality of threaded connection through holes 305 are arranged in an annular array mode with the circle center of the rear end circular sealing plate 3 as the center, the rear side face of the conical winding table 1 is provided with threaded connection blind holes 106 corresponding to each threaded connection through hole 305, each connecting screw 306 is arranged between each threaded connection through hole 305 and each threaded connection blind hole 106, and the power supply positive terminal and the power supply negative terminal respectively penetrate through the front end circular sealing plate 2 and the rear end circular sealing plate 3 (refer to the attached drawing 1).
In addition, in the present embodiment 2, the first support plate 206 is connected to the lower circular surface of the front end circular sealing plate 2, the first fixed bottom plate 207 is connected to the lower end of the first support plate 206, the second support plate 307 is connected to the lower circular surface of the rear end circular sealing plate 3, and the second fixed bottom plate 308 is connected to the lower end of the second support plate 307. The whole wireless power transmission magnetic resonance coil device is made to be fixed by the arranged first support plate 206, first fixing bottom plate 207, second support plate 307 and second fixing bottom plate 308.
Finally, it should be noted that the conical winding table 1, the front end circular sealing plate 2 and the rear end circular sealing plate 3 are all made of plastic material by extrusion molding, and the first support plate 206, the first fixed bottom plate 20, the second support plate 307 and the second fixed bottom plate 308 are also integrally extruded.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a magnetic resonance coil device for wireless power transmission, its characterized in that, includes toper wire winding platform (1), through-hole (101) have been seted up on the axis of toper wire winding platform (1), internal thread (102) have been seted up to the inner wall front end of through-hole (101), it is connected with a plurality of protruding ribs (103) to be annular array on the toper outer disc of toper wire winding platform (1), just with toper outer disc looks parallel arrangement of protruding rib (103), every wire winding bayonet socket (104) have all been seted up on protruding rib (103), and every wire winding bayonet socket (104) that set up on protruding rib (103) are all connected and are the setting of tower toper, the periphery of toper wire winding platform (1) is around being equipped with tower toper coil (105), just tower toper coil (105) card each wire winding bayonet socket (104) bottom on protruding rib (103) in proper order when the wire winding, the front and the back of the tower-shaped conical coil (105) are respectively connected with a power supply positive terminal (1051) and a power supply negative terminal (1052);
the front side of the conical winding table (1) is provided with a front-end circular sealing plate (2), the diameter of the front-end circular sealing plate (2) is larger than the outer diameter of an annular surface formed by the front ends of a plurality of protruding ribs (103), the circle center of the rear side face of the front-end circular sealing plate (2) is connected with a connecting through pipe (201), the outer diameter of the connecting through pipe (201) is the same as the inner wall of a through hole (101), the outer circular face of the connecting through pipe (201) is provided with a through pipe external thread (202) matched with an internal thread (102), the inner wall of the connecting through pipe (201) is provided with a through pipe internal thread (205), the left end and the right end of the front-end circular sealing plate (2) are both connected with first lugs (203), the first connecting holes (204) are both arranged on the first lugs (203), the rear side face of the conical winding table (1) is provided with a rear, the diameter of the rear-end circular sealing plate (3) is larger than the outer diameter of an annular surface formed by the rear ends of the plurality of protruding ribs (103), the circular position of the front side surface of the rear-end circular sealing plate (3) is connected with an insertion connecting pipe (301) capable of being inserted into the connecting through pipe (201), the diameter of the outer wall of the insertion connecting pipe (301) is the same as the size of the inner wall of the connecting through pipe (201), the outer surface of the insertion connecting pipe (301) is provided with insertion connecting pipe external threads (302) matched with the through pipe internal threads (205), the left end and the right end of the rear-end circular sealing plate (3) are both connected with second lugs (303), the second lugs (303) are provided with second connecting holes (304), the rear-end circular sealing plate (3) is also provided with a plurality of threaded connecting through holes (305), and the plurality of threaded connecting through holes (305) are arranged in an annular array with the circle, the thread connection blind hole (106) corresponding to each thread connection through hole (305) is formed in the rear side face of the conical winding table (1), each thread connection through hole (305) and each thread connection blind hole (106) are provided with a connection screw (306), and the power source positive terminal and the power source negative terminal respectively penetrate through the front end circular sealing plate (2) and the rear end circular sealing plate (3).
2. A magnetic resonance coil apparatus for wireless power transmission according to claim 1, characterized in that: the lower round surface of the front end circular sealing plate (2) is connected with a first supporting plate (206), the lower end of the first supporting plate (206) is connected with a first fixed bottom plate (207), the lower round surface of the rear end circular sealing plate (3) is connected with a second supporting plate (307), and the lower end of the second supporting plate (307) is connected with a second fixed bottom plate (308).
3. A magnetic resonance coil apparatus for wireless power transmission according to claim 1, characterized in that: the front projection shape of the pyramid-shaped coil (105) is an Archimedes spiral line shape.
4. A magnetic resonance coil apparatus for wireless power transmission according to claim 3, characterized in that: the spiral number of turns of the tower conical coil (105) is not less than three turns.
5. A magnetic resonance coil apparatus for wireless power transmission according to claim 1, characterized in that: the number of the convex ribs (103) connected to the conical outer circular surface of the conical winding table (1) is 12-36.
6. A magnetic resonance coil apparatus for wireless power transmission according to claim 1, characterized in that: the depth of a winding bayonet (104) formed on the raised rib (103) is greater than half of the vertical height of the raised rib (103).
7. A magnetic resonance coil apparatus for wireless power transmission according to claim 1, characterized in that: the conical winding table (1), the front end circular sealing plate (2) and the rear end circular sealing plate (3) are all made of non-conductive high-strength insulating materials.
8. A magnetic resonance coil apparatus for wireless power transmission according to claim 7, characterized in that: the conical winding table (1), the front end circular sealing plate (2) and the rear end circular sealing plate (3) are all made of plastic materials through extrusion forming.
9. A magnetic resonance coil apparatus for wireless power transmission according to claim 1, characterized in that: the number of the threaded connecting through holes (305) formed in the rear-end circular sealing plate (3) is 6-12.
CN202011186395.0A 2020-10-30 2020-10-30 Magnetic resonance coil device for wireless power transmission Pending CN112462309A (en)

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Application Number Priority Date Filing Date Title
CN202011186395.0A CN112462309A (en) 2020-10-30 2020-10-30 Magnetic resonance coil device for wireless power transmission

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CN202011186395.0A CN112462309A (en) 2020-10-30 2020-10-30 Magnetic resonance coil device for wireless power transmission

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201054816Y (en) * 2007-06-23 2008-04-30 美的集团有限公司 Coil panel support
CN201100692Y (en) * 2007-10-12 2008-08-13 蓝水英 Universal loop bracket for arc face electromagnetic oven
CN202050555U (en) * 2011-04-15 2011-11-23 江西圣达威电工材料有限公司 Coil panel support
CN102523643A (en) * 2011-11-16 2012-06-27 美的集团有限公司 Coil panel of electromagnetic oven
CN105788843A (en) * 2016-04-27 2016-07-20 重庆大学 Manufacturing method of wireless power transmission coil forming groove tray
CN205899897U (en) * 2016-05-11 2017-01-18 重庆大学 Biography that magnetic resonance mode is wireless can presentation device
CN108306398A (en) * 2017-01-13 2018-07-20 三星电机株式会社 Wireless power sending module and the electronic device for including the wireless power sending module
CN109390132A (en) * 2018-10-25 2019-02-26 安徽省航嘉智源科技有限公司 A kind of transmitting coil of wireless charging device
CN110011428A (en) * 2019-04-16 2019-07-12 上海海事大学 A kind of anti-laterally offset radio energy-transmitting coil device and method of tumbler mechanism
CN110265209A (en) * 2019-07-09 2019-09-20 安洁无线科技(苏州)有限公司 Magnetic wire coil, wireless charging device and system
CN110383404A (en) * 2017-03-10 2019-10-25 三菱电机工程技术株式会社 Mode of resonance power transmission coil
CN210568637U (en) * 2019-05-22 2020-05-19 佛山市顺德区实盏电器有限公司 Coil panel and coil panel bracket of electromagnetic oven
CN210725395U (en) * 2019-06-04 2020-06-09 东莞市丰晟机电有限公司 Coil panel support, coil panel and electromagnetic heating device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201054816Y (en) * 2007-06-23 2008-04-30 美的集团有限公司 Coil panel support
CN201100692Y (en) * 2007-10-12 2008-08-13 蓝水英 Universal loop bracket for arc face electromagnetic oven
CN202050555U (en) * 2011-04-15 2011-11-23 江西圣达威电工材料有限公司 Coil panel support
CN102523643A (en) * 2011-11-16 2012-06-27 美的集团有限公司 Coil panel of electromagnetic oven
CN105788843A (en) * 2016-04-27 2016-07-20 重庆大学 Manufacturing method of wireless power transmission coil forming groove tray
CN205899897U (en) * 2016-05-11 2017-01-18 重庆大学 Biography that magnetic resonance mode is wireless can presentation device
CN108306398A (en) * 2017-01-13 2018-07-20 三星电机株式会社 Wireless power sending module and the electronic device for including the wireless power sending module
CN110383404A (en) * 2017-03-10 2019-10-25 三菱电机工程技术株式会社 Mode of resonance power transmission coil
CN109390132A (en) * 2018-10-25 2019-02-26 安徽省航嘉智源科技有限公司 A kind of transmitting coil of wireless charging device
CN110011428A (en) * 2019-04-16 2019-07-12 上海海事大学 A kind of anti-laterally offset radio energy-transmitting coil device and method of tumbler mechanism
CN210568637U (en) * 2019-05-22 2020-05-19 佛山市顺德区实盏电器有限公司 Coil panel and coil panel bracket of electromagnetic oven
CN210725395U (en) * 2019-06-04 2020-06-09 东莞市丰晟机电有限公司 Coil panel support, coil panel and electromagnetic heating device
CN110265209A (en) * 2019-07-09 2019-09-20 安洁无线科技(苏州)有限公司 Magnetic wire coil, wireless charging device and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中国南方电网有限责任公司: "《电网建设工程安全和环境管理设施规范应用手册》", 30 September 2007, 中国电力出版社 *

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