CN218242255U - 3D receiving antenna - Google Patents
3D receiving antenna Download PDFInfo
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- CN218242255U CN218242255U CN202222592021.XU CN202222592021U CN218242255U CN 218242255 U CN218242255 U CN 218242255U CN 202222592021 U CN202222592021 U CN 202222592021U CN 218242255 U CN218242255 U CN 218242255U
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Abstract
The utility model relates to a near field communication field discloses a 3D receiving antenna. 3D receive antenna, comprising: the coil comprises a framework, a magnetic core, an X-axis coil, a Y-axis coil and a Z-axis coil; the magnetic core is arranged in a magnetic core groove provided by the framework; hanging platforms are respectively arranged at the four end parts of the framework; each hanging table is provided with a hanging wire pin along the X-axis direction and the Y-axis direction of the magnetic core respectively; each hanging platform is provided with two electrodes which are connected with corresponding hanging wire pins; an X-axis line-containing groove and a Y-axis line-containing groove which are communicated with each other and form a cross groove are respectively formed on the magnetic core; the X-axis coil is formed along the X-axis line-containing groove winding, the Y-axis coil is formed along the Y-axis line-containing groove winding, and the Z-axis coil is formed along the outer side wall circumferential winding of the magnetic core. The utility model discloses the string stitch on the usable skeleton carries out the skeleton clamp and gets and carry out the automatic winding of XY axle coil when production, can enough avoid causing the damage to the copper line, guarantees the insulation between coil and the magnetic core, has realized automatic wire winding again, has improved production efficiency greatly.
Description
Technical Field
The utility model relates to a near field communication field especially relates to a 3D receiving antenna.
Background
Along with the increasing demand of automobile intellectualization, the rapid development of keyless entry and remote control technology, the 3D receiving antenna plays an increasingly important role in an automobile keyless entry system, and the 3D receiving antenna on the market is also five-door.
For example, patent No. 201820003322.5 discloses a triaxial receiving antenna, which can meet the basic use requirement of an automobile smart key, but directly winds a wire on a magnetic core, so that a copper wire is damaged to a certain extent, and insulation between the coil and the magnetic core is reduced.
For another example, the patent with application number 201620199581.0 discloses a totally-enclosed three-dimensional antenna with three-phase crossed windings, which can also meet the use requirement of keyless entry, but has too many parts, and has great process difficulty, and automatic production is not easy to realize.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 3D receiving antenna to solve the problem that the easy copper line that prior art exists causes damage and production efficiency to hang down simultaneously.
To achieve the purpose, the utility model adopts the following technical proposal:
a 3D receive antenna, comprising: the coil comprises a framework, a magnetic core, an X-axis coil, a Y-axis coil and a Z-axis coil; a magnetic core groove is formed in one surface of the framework, and the magnetic core is arranged in the magnetic core groove;
four ends of the framework are respectively provided with a hanging table; the side surface of each hanging table is respectively provided with a hanging wire pin at least used for hanging wires and welding of an X-axis coil or a Y-axis coil winding along the X-axis direction and the Y-axis direction of the magnetic core; each hanging platform is provided with two electrodes which are electrically connected with the two hanging pins on the hanging platform in a one-to-one correspondence manner;
the magnetic core is respectively provided with an X-axis line-containing groove and a Y-axis line-containing groove, and the X-axis line-containing groove and the Y-axis line-containing groove are communicated and form a cross groove; the X-axis coil is formed along the X-axis line-containing groove winding, the Y-axis coil is formed along the Y-axis line-containing groove winding, and the Z-axis coil is formed along the outer side wall circumferential winding of the magnetic core.
Optionally, the head of the X-axis coil is hung on the wire hanging pin located at the left upper side of the X-axis direction, and the tail of the X-axis coil is hung on the wire hanging pin located at the left upper side of the Y-axis direction; the wire head of the Y-axis coil is hung on the wire hanging pin positioned on the upper right side in the Y-axis direction, and the wire tail is hung on the wire hanging pin positioned on the upper right side in the X-axis direction; the head of the Z-axis coil is hung on the wire hanging pin on the right lower side in the X-axis direction, and the tail of the Z-axis coil is hung on the wire hanging pin on the right lower side in the Y-axis direction.
Optionally, each hanging platform is provided with a limiting block, the distance between every two adjacent limiting blocks is equal to the width of the X-axis line accommodating groove or the Y-axis line accommodating groove in the corresponding position, and the Z-axis coil sequentially surrounds four limiting blocks to form windings.
Optionally, keeping away from of stopper one side of skeleton is equipped with spacing sand grip, spacing sand grip with the stopper forms the confession the Z axle of Z axle coil holding holds the wire casing.
Optionally, the limiting block is L-shaped or long.
Optionally, a positioning block is integrally formed at the bottom of the magnetic core, a positioning groove for accommodating the positioning block is formed at the bottom of the magnetic core groove, and the positioning block is in plug-in fit with the positioning groove.
Optionally, the positioning block and the positioning groove are bonded by dispensing.
Optionally, two concave holes are formed in one surface of each hanging table, elastic pieces are arranged at the bottoms of the concave holes, and each electrode is embedded in each concave hole.
Optionally, the surface of each hanging platform is further provided with two bonding pads.
Optionally, rubber sheets are stuck to the surfaces of the X-axis coil, the Y-axis coil and the Z-axis coil.
Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has:
different from conventional antenna, the 3D receiving antenna that this embodiment provided has one and has four to hang the platform, every hangs the skeleton that the bench has 2 electrodes, and two of hanging the platform are equipped with a string line foot that links to each other with the electrode respectively to the lateral surface, can utilize the string line foot on the skeleton to carry out the clamp of skeleton and get and carry out the automatic winding of X axial coil and Y axial coil when production, can enough avoid causing the damage to the copper line, guarantee the insulation between coil and the magnetic core, automatic wire winding has been realized again, and the production efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 (1) - (4) are a front view, a rear view, a top view and a side view of a framework according to an embodiment of the present invention.
Fig. 2 (1) - (4) are a front view, a rear view, a top view and a side view of a magnetic core according to an embodiment of the present invention.
Fig. 3 (1) - (4) are a front view, a rear view, a top view and a side view of the magnetic core and the framework after assembly according to the embodiment of the present invention.
Fig. 4 (1) - (4) are a front view, a rear view, a top view and a side view of the framework provided by the second embodiment of the present invention.
Fig. 5 (1) - (4) are a front view, a rear view, a top view and a side view of the magnetic core and the framework assembled according to the second embodiment of the present invention.
Illustration of the drawings:
the wire hanging device comprises a framework 1, a magnetic core groove 11, a hanging table 12, a wire hanging pin 13, a welding disc 14, a concave hole 15, a limiting block 16, a limiting convex strip 17, a magnetic core 2, a positioning block 21, an X-axis wire containing groove 22 and a Y-axis wire containing groove 23.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, an embodiment of the present invention provides a 3D receiving antenna, including: skeleton 1, magnetic core 2, X axle coil, Y axle coil and Z axle coil.
A magnetic core groove 11 is arranged on one surface of the framework 1, and the magnetic core 2 is arranged in the magnetic core groove 11. In order to realize the assembly stability between the framework 1 and the magnetic core 2, the positioning block 21 is integrally formed at the bottom of the magnetic core 2, the positioning groove for accommodating the positioning block 21 is formed at the bottom of the magnetic core groove 11, and the positioning block 21 is in plug-in fit with the positioning groove. Furthermore, the positioning block 21 and the positioning groove are bonded by dispensing.
Four ends of the framework 1 are respectively provided with a hanging table 12; a wire hanging pin 13 is respectively arranged on the side surface of each hanging table 12 along the X-axis direction and the Y-axis direction of the magnetic core 2, and the wire hanging pin 13 can be used for hanging and welding an X-axis coil or a Y-axis coil winding and can also be used for facilitating clamping of the framework 1; each hanging platform 12 is also provided with two electrodes which are electrically connected with the two hanging wire pins 13 on the hanging platform 12 in a one-to-one correspondence manner. The surface of each hanging table 12 is also provided with two pads 14 for performing a soldering function.
Two concave holes 15 are formed in one surface of each hanging table 12, elastic pieces are arranged at the bottoms of the concave holes 15, and an electrode is embedded in each concave hole 15. Of course, in other embodiments, the electrodes may be disposed on the frame 1 in a non-embedded manner.
An X-axis line-containing groove 22 and a Y-axis line-containing groove 23 are respectively formed in the magnetic core 2, and the X-axis line-containing groove 22 is communicated with the Y-axis line-containing groove 23 to form a cross groove; optionally, the depth of the X-axis line-receiving groove 22 is deeper than the depth of the Y-axis line-receiving groove 23. The X-axis coil is formed along the winding of the X-axis wire accommodating groove 22, the Y-axis coil is formed along the winding of the Y-axis wire accommodating groove 23, so that the X-axis coil or the Y-axis coil is not easy to deviate during winding, and the Z-axis coil is formed along the circumferential winding of the outer side wall of the magnetic core 2.
In addition, rubber sheets are adhered to the surfaces of the X-axis coil, the Y-axis coil and the Z-axis coil, and can protect the coils; meanwhile, for marking, a label is stuck on the surface of the rubber sheet, which is far away from the framework 1.
Unlike the conventional antenna, the 3D receiving antenna provided in this embodiment has a frame 1 with four hanging platforms 12 and 2 electrodes on each hanging platform 12, and two external sides of the hanging platforms 12 are respectively provided with a hanging pin 13 connected to an electrode, and based on the frame 1, the automatic winding can be performed in the following manner:
after being bonded and fixed into a whole with the framework 1, the magnetic core 2 and the framework 1 are fed through a vibration disc, the magnetic core enters an X-axis winding station firstly, hanging wire feet 13 on two sides in the Y-axis direction are clamped through a Y-axis left and right clamping device, a wire head is hung on the hanging wire foot 13 on the left upper side in the X-axis direction, X-axis winding is carried out, after winding is completed, clamping on the left side of a Y axis is released, a wire tail is hung on the hanging wire foot 13 on the left upper side in the Y-axis direction, clamping on the right side in the Y-axis direction is released, and a finished product after X-axis winding enters the Y-axis winding station through a transfer device;
the X-axis left and right clamping devices respectively clamp two side hanging wire feet 13 in the X-axis direction, the wire head is hung on the hanging wire foot 13 on the right upper side of the Y-axis of the framework 1 to perform Y-axis winding, after the winding is completed, the X-axis right clamping device is released, the wire tail is hung on the hanging wire foot 13 on the right upper side of the X-axis, the X-axis left clamping device is released, and a finished Y-axis winding product enters a Z-axis winding station through the transfer device;
the Z-axis clamping device clamps the framework 1, the thread end is hung on the thread hanging pin 13 on the right lower side in the X direction to perform Z-axis winding, after the winding is completed, the thread tail is hung on the thread hanging pin 13 on the right lower side in the Y-axis direction, the Z-axis clamping device is loosened, and a finished Z-axis winding product enters a micro spot welding (or laser tin spraying) station through a transfer device to sequentially connect the thread hanging pins 13 with leads.
To sum up, the embodiment of the utility model provides a 3D receiving antenna can utilize hanging wire foot 13 on skeleton 1 to carry out the clamp of skeleton 1 and get and carry out the automatic winding of X axial coil and Y axial coil when producing, can enough avoid causing the damage to the copper line, guarantees the insulation between coil and the magnetic core 2, has realized automatic wire winding again, has improved production efficiency greatly.
Example two
Referring to fig. 4 to 5, another 3D receiving antenna according to an embodiment of the present invention is different from the first embodiment in that: in this embodiment two, still be provided with the stopper 16 that supplies Z axle wire winding on every string of platform 12, stopper 16 is L shape or rectangular shape setting, and four stopper 16 are located four tip positions of skeleton 1, so Z axle wire winding once along four stopper 16 windings, also be convenient for Z axle wire winding, difficult loose when making Z axle wire winding is walked the position.
When the magnetic core 2 is placed on the framework 1, the outer side wall of the magnetic core 2 is attached to the inner side wall of the limiting block 16. The distance between two adjacent limiting blocks 16 is equal to the groove width of the X-axis line-containing groove 22 or the Y-axis line-containing groove 23 at the corresponding position.
One side that skeleton 1 was kept away from to stopper 16 is connected with spacing sand grip 17, and spacing sand grip 17 is used for injecing Z axle wire winding position, and spacing sand grip 17 forms the Z axle wire casing that supplies Z axle wire winding holding with stopper 16.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A3D receiving antenna, comprising: the coil comprises a framework (1), a magnetic core (2), an X-axis coil, a Y-axis coil and a Z-axis coil; a magnetic core groove (11) is formed in one surface of the framework (1), and the magnetic core (2) is arranged in the magnetic core groove (11);
four end parts of the framework (1) are respectively provided with a hanging platform (12); the side surface of each hanging table (12) is respectively provided with a hanging wire pin (13) which is at least used for hanging wires and welding X-axis coils or Y-axis coil windings along the X-axis direction and the Y-axis direction of the magnetic core (2); two electrodes are arranged on each hanging platform (12) and are electrically connected with the two wire hanging pins (13) on the hanging platform (12) in a one-to-one correspondence manner;
an X-axis line accommodating groove (22) and a Y-axis line accommodating groove (23) are respectively formed in the magnetic core (2), and the X-axis line accommodating groove (22) and the Y-axis line accommodating groove (23) are communicated and form a cross groove; the X-axis coil is formed along the winding of the X-axis wire accommodating groove (22), the Y-axis coil is formed along the winding of the Y-axis wire accommodating groove (23), and the Z-axis coil is formed along the circumferential winding of the outer side wall of the magnetic core (2).
2. The 3D receiving antenna according to claim 1, wherein the head of the X-axis coil is hung on a hanging wire pin (13) positioned at the upper left side of the X-axis direction, and the tail of the X-axis coil is hung on a hanging wire pin (13) positioned at the upper left side of the Y-axis direction; the wire head of the Y-axis coil is hung on a wire hanging pin (13) positioned on the upper right side in the Y-axis direction, and the wire tail is hung on the wire hanging pin (13) positioned on the upper right side in the X-axis direction; the wire head of the Z-axis coil is hung on a wire hanging pin (13) positioned at the right lower side of the X-axis direction, and the wire tail is hung on a wire hanging pin (13) positioned at the right lower side of the Y-axis direction.
3. The 3D receiving antenna according to claim 1, wherein each hanging platform (12) is provided with a limiting block (16), the distance between two adjacent limiting blocks (16) is equal to the groove width of the X-axis line accommodating groove (22) or the Y-axis line accommodating groove (23) in the corresponding position, and the Z-axis coil is formed by winding around four limiting blocks (16) in sequence.
4. The 3D receiving antenna according to claim 3, wherein a limiting convex strip (17) is arranged on one side of the limiting block (16) far away from the framework (1), and the limiting convex strip (17) and the limiting block (16) form a Z-axis wire accommodating groove for accommodating the Z-axis coil.
5. 3D receiving antenna according to claim 3, characterized in that the stopper (16) is L-shaped or elongated.
6. The 3D receiving antenna according to claim 1, wherein a positioning block (21) is integrally formed at the bottom of the magnetic core (2), a positioning groove for accommodating the positioning block (21) is formed at the bottom of the magnetic core groove (11), and the positioning block (21) is in plug fit with the positioning groove.
7. The 3D receiving antenna according to claim 6, wherein the positioning block (21) is bonded to the positioning slot by dispensing.
8. A 3D receiving antenna according to claim 1, wherein two recesses (15) are formed in a surface of each hanging platform (12), and a spring is disposed at a bottom of each recess (15), and one electrode is embedded in each recess (15).
9. 3D receiving antenna according to claim 1, characterized in that the surface of each hanging platform (12) is also provided with two pads (14).
10. The 3D receiving antenna of claim 1, wherein a rubber sheet is adhered to the surface of the X-axis coil, the Y-axis coil and the Z-axis coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592021.XU CN218242255U (en) | 2022-09-29 | 2022-09-29 | 3D receiving antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592021.XU CN218242255U (en) | 2022-09-29 | 2022-09-29 | 3D receiving antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218242255U true CN218242255U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222592021.XU Active CN218242255U (en) | 2022-09-29 | 2022-09-29 | 3D receiving antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218242255U (en) |
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2022
- 2022-09-29 CN CN202222592021.XU patent/CN218242255U/en active Active
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