CN105304320A - Coil winding machine, wireless charging coil and manufacturing technology thereof - Google Patents
Coil winding machine, wireless charging coil and manufacturing technology thereof Download PDFInfo
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- CN105304320A CN105304320A CN201510689704.9A CN201510689704A CN105304320A CN 105304320 A CN105304320 A CN 105304320A CN 201510689704 A CN201510689704 A CN 201510689704A CN 105304320 A CN105304320 A CN 105304320A
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Abstract
The invention provides a coil winding machine used for winding a coil on a base plate, and an adhesive layer is coated on the base plate. The coil winding machine comprises a coil winding device, a controller and a coil feeding device, wherein the coil winding device comprises a coil winding part and moving parts; the moving parts comprise a first moving part and a second moving part; the base plate is connected to the first moving part; the coil winding part is connected to the second moving part; the coil winding part comprises a coil nozzle and a coil pressing wheel; the controller is used for storing coil winding paths and controlling the motion of the moving part; and the coil feeding device is used for feeding a wire rod to the coil nozzle. The first moving part enables the base plate to move according to the coil winding paths under the control of the controller, the second moving part performs the wiring of the coil nozzle on the adhesive layer according to the coil winding paths under the control of the controller, and the coil pressing wheel is used for compressing the wire rod to the adhesive layer so as to produce a wireless charging coil at the same time, and a coil cutting device is used for cutting the wire rod at the tail end. The invention also provides the wireless charging coil and a manufacturing technology thereof. The adhesion degree of the coil and the base plate is improved to realize instant positioning, so that the coil is unlikely to drop off and is more durable.
Description
Technical field
The present invention relates to a kind of coil winding machine, Wireless charging coil and manufacture craft thereof.
Background technology
Nearly decades, along with the progress of large-scale integrated circuit, chip technology, electronic product is towards multifunction, miniaturization, portability, wearableization development.Above-mentioned trend is that the supply of electronic equipment electric energy proposes challenge with supplementary.When the electric energy that electronic equipment internal stores is not enough, user just needs to use charging device for its electric energy supplement.Traditional charging device is all line formula charging device, needs to realize wired connection with electrical network.It is not convenient that this line formula equipment not only uses, and by incompatible cause repeat manufacture thus bring huge waste.Wireless charging technology is suggested under this background, becomes current study hotspot.Wireless charging, also known as making induction charging, magnetic vibrations wireless charging, the first utilizes nearly magnetic field induction, transmitted its energy to the device of electricity consumption by power supply unit (charger), this device uses the energy received to charge to battery, and simultaneously for itself running.Owing to transmitting energy with inductance coupling high between charger and power device, connecting without electric wire between the two, is by induction charging (close coupling).The second is, comes from wireless power conveying technology, utilizes transmission charge in the air of magnetic resonance between charger and equipment, and coil and capacitor then form resonance between charger and equipment, realize the technology (loose coupling) of electric energy high efficiency of transmission.
Relate in the device of wireless charging to main parts are coil modules, transmitting terminal and receiving terminal need to have carried out eletric power induction with the inductance of coil to be transmitted, so, the manufacturing process of advanced inductance coil has become wireless charging to develop key with technology.
On market, Wireless charging coil has two kinds---induction charge coil (close coupling) and magnetic resonance charge coil (loose coupling).Tightly coupled coil is closely coiled into by copper cash, and the coil of loose coupling is evacuated by copper cash and is coiled into, and both manufacture crafts are all be bonded on magnetic sheet by gummed paper/glue by coil after coil completes coiling again.So, have three large defects: 1. by gummed paper/glue, coil is bonded on magnetic sheet, the mode of this bonding makes product long and not long-time use in useful life can produce the unstable situation of bonding; 2. Wireless charging coil needs twice location in manufacturing process, and being once needs location when coiling, and second time coil is bonded at by gummed paper/glue substrate needs location, brings the reduction of more quality hidden danger and automatic capability therefrom; 3. the coil of loose coupling is when making, and is evacuated be coiled into by copper cash, owing to evacuating shape, is easy to deformation occurs.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of coil winding machine, Wireless charging coil and manufacture craft thereof, coil and substrate are firmly bonded, and only need one-time positioning in manufacturing process, reduce quality hidden danger and improve automatic capability.
For solving the problem, the invention provides following technical scheme.
On the one hand, the invention provides a kind of coil winding machine, for coiling Wireless charging coil on substrate, described substrate scribbles adhesive-layer, it is characterized in that, described coil winding machine comprises Winder, controller and wire-sending device, described Winder comprises winding section and motion portion, described motion portion comprises the first motion portion and the second motion portion, substrate is connected with described first motion portion, winding section is connected with the second motion portion, described winding section comprises line mouth and fabric wheel, described controller is for storing coiling path and controlling the motion in described motion portion, wire rod is flowed to described line mouth by described wire-sending device, described first motion portion makes described substrate move according to coiling path under the control of described controller, described second motion portion makes described line mouth connect up on adhesive-layer according to coiling path under the control of described controller, make described fabric wheel that wire rod is pressed in adhesive-layer simultaneously, cutting facility cuts off end wire rod.
Further, described coil winding machine comprises the heater for heated substrates, is adhered to adhesive-layer to make wire rod.
Further, described substrate is installed on described first motion portion relatively described first motion portion and moves along Y direction.
Further, described second motion portion comprises the first motion structure, the second motion structure and the 3rd motion structure, and described second motion structure is movably arranged in described first motion structure, and described 3rd motion structure is movably arranged in described second motion structure.
Further, described second motion structure moves in the X-axis direction relative to described first motion structure, and described 3rd motion structure moves along Z-direction relative to described second motion structure also can relatively described second motion structure rotational angle.
Further, described line mouth and described fabric wheel are installed on described 3rd motion structure.
On the other hand, the invention provides a kind of Wireless charging coil, it coil comprising substrate, adhesive-layer and utilize above-mentioned coil winding machine to turn to, described substrate is fixedly connected with described adhesive-layer, and described coiler part to embed in described adhesive-layer thus is fixed on substrate.
On the other hand, present invention also offers a kind of manufacture craft of Wireless charging coil, comprise the following steps:
1) substrate is provided;
2) coating viscosity glue layer on substrate;
3) by coiling path input control device;
4) wire rod is delivered to line mouth;
5) the first motion portion makes substrate move according to coiling path under the control of the controller, second motion portion makes line mouth connect up on adhesive-layer according to coiling path under the control of described controller, make fabric wheel that wire rod is pressed in adhesive-layer, to make Wireless charging coil simultaneously;
6) end wire rod is cut off.
Further, in above-mentioned steps 5, also comprise to base plate heating.
While the online mouth wiring of coil winding machine of the present invention, wire rod is pressed in the adhesive-layer on substrate by fabric wheel, coiler part is made to embed in adhesive-layer, improve the degree of adhesion of coil and substrate, realize instant location, make coil difficult drop-off, increase the life-span of unlimited charge coil, make Wireless charging coil more durable; And only one-time positioning is needed in Wireless charging coil manufacturing process, guarantee the precise alignment between winding, reduce quality hidden danger and improve automatic capability, production technology is simple, improves production efficiency, reduces production cost.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in execution mode below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained from these accompanying drawings.
Fig. 1 is the schematic perspective view of coil winding machine of the present invention.
Fig. 2 is the enlarged drawing of circle II part in Fig. 1.
Fig. 3 is the structural representation of Wireless charging coil first embodiment of the present invention;
Fig. 4 is the cutaway view of linearly A-A in Fig. 3;
Fig. 5 is the structural representation of Wireless charging coil second embodiment of the present invention;
Fig. 6 is the coil copper section structure chart of Wireless charging coil embodiment of the present invention;
Fig. 7 is the fabrication processing figure of Wireless charging coil embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Please refer to Fig. 1 and Fig. 4, is the schematic perspective view of coil winding machine 100 of the present invention.Coil winding machine 100 of the present invention for coiling 3 on the substrate 1 scribbling adhesive-layer 2, to form Wireless charging coil.
In the present embodiment, coating viscosity glue 2 layers is applied to the outer surface of substrate 1.In other embodiments, substrate 1 is provided with accepting groove, and adhesive-layer 2 is applied to the inner surface of accepting groove.Accepting groove on substrate 1 is arranged according to the coiling path of coil on substrate.
Please refer to Fig. 1, Fig. 2 and Fig. 4, described coil winding machine 100 comprises Winder 10, controller 20, wire-sending device 30 and cutting facility (not shown), described Winder 10 comprises winding section 12 and motion portion 13, described motion portion 13 comprises the first motion portion 132 and the second motion portion 134, substrate 1 is connected with described first motion portion 132, winding section 12 is connected with the second motion portion 134, described winding section 12 comprises line mouth 122 and fabric wheel 124, described controller 20 is for storing coiling path and controlling the motion in described motion portion 13, wire rod is flowed to described line mouth 122 by described wire-sending device 30, described first motion portion 132 makes described substrate 1 move according to coiling path under the control of described controller 20, described second motion portion 134 makes described line mouth 122 connect up on adhesive-layer 2 according to coiling path under the control of described controller 20, make described fabric wheel 124 wire rod is pressed in adhesive-layer 2 to make coil 3 simultaneously, cutting facility cuts off the end wire rod of coil 3.
While line mouth 122 connects up on adhesive-layer 2, wire rod is pressed in adhesive-layer 2 by fabric wheel 124, coil 3 is made to be partially submerged in adhesive-layer 2, improve the degree of adhesion of coil 3 and substrate 1, realize instant location, make coil 3 difficult drop-off, increase the life-span of Wireless charging coil, make Wireless charging coil more durable.
Further, described coil winding machine 100 comprises the heater (not shown) for heated substrates, is adhered to adhesive-layer 2 to make wire rod.
Because heating in the process of wiring substrate 1, make between adhesive-layer 2 and substrate 1 and easier adhesion between wire rod and adhesive-layer.
Further, described substrate 1 is installed on described first motion portion 132 relatively described first motion portion 132 and moves along Y direction.Described second motion portion 134 comprises the first motion structure 133, second motion structure 135 and the 3rd motion structure 137, described second motion structure 135 is movably arranged in described first motion structure 133, and described 3rd motion structure 137 is movably arranged in described second motion structure 135.Described second motion structure 135 moves in the X-axis direction relative to described first motion structure 133, and described 3rd motion structure 137 moves along Z-direction relative to described second motion structure 135 also can relatively described second motion structure 135 rotational angle.Described line mouth 122 and described fabric wheel 124 are installed on described 3rd motion structure 137.
In the present embodiment, described 3rd motion structure 137 can rotate within the scope of 360 degree.
Because relative first motion structure 133 of the second motion structure 135 can move in the X-axis direction, described 3rd motion structure 137 to move along Z-direction relative to described second motion structure 135 and can relatively described second motion structure 135 rotational angle, namely the 3rd motion structure 137 can in X-direction, Z-direction motion is the energy anglec of rotation also, substrate 1 can move along Y direction again simultaneously, and described line mouth 122 and described fabric wheel 124 are installed on described 3rd motion structure 137, namely described line mouth 122 and described fabric wheel 124 can X-axis, Z-direction arbitrary motion also can rotate arbitrarily within the scope of 360 degree, substrate can in Y direction arbitrary motion simultaneously, thus coil winding machine 100 of the present invention can the coil of coiling arbitrary shape.
During use, second motion portion 134 under the control of controller 20, make winding section 12 according to the coiling path motion stored, thus line mouth 122 connects up on adhesive-layer 2 according to the coiling path stored, and wire rod is pressed on adhesive-layer 2 by fabric wheel 124.Meanwhile, the first motion portion 132 under the control of controller 20, makes substrate 1 according to the coiling path motion stored.
While coil winding machine 100 of the present invention connects up on adhesive-layer 2, the wire rod that cloth is good is pressed in adhesive-layer 2 by fabric wheel 124 simultaneously, realizes immediately locating, and difficult drop-off, increases the life-span of Wireless charging coil, makes Wireless charging coil more durable.Meanwhile, because coil is for once located in the process of coiling, the coiling path of coil is controlled by controller 20, guarantee the precise alignment between winding, reduce quality hidden danger and improve automatic capability, production technology is simple, improve production efficiency, reduce production cost.
Shown in figure 3, Fig. 4 and Fig. 5, be Wireless charging coil of the present invention, it comprises substrate 1, adhesive-layer 2 and coil 3, and described substrate 1 is fixedly connected with described adhesive-layer 2, and described coil 3 to be partially submerged in described adhesive-layer 2 thus to be fixed on substrate 1.The technical program beneficial effect: described coil 3 is partially submerged in described adhesive-layer 2, improves the degree of adhesion of coil 3 and substrate 1, realizes immediately locating, difficult drop-off, increases the life-span of Wireless charging coil, make Wireless charging coil more durable.
In the present embodiment, described substrate 1 bonds with described adhesive-layer 2.
Described coil 3 is coated with diaphragm 4 above, and this diaphragm 4 protects coil 3 top layer not impaired.Described diaphragm 4 material is epoxy resin, not easily scratches.In other embodiments, coil 3 does not have diaphragm 4 above.
Shown in figure 3 and Fig. 5, described coil 3 can be closely coiled into by copper cash 31 or be evacuated and be coiled into, make induction charge coil (close coupling) or magnetic resonance charge coil (loose coupling), the two ends 32 of copper cash 31 are stretched out from described adhesive-layer 2 edge.
Shown in figure 6, described copper cash 31 comprises bare copper wire 311, protective layer 312 and self-adhesive layer 313, and from inner outside arrangement.Described protective layer 312 protects inner bare copper wire 311 not impaired, and self-adhesive layer 313 can soften in the situation of being heated and binds with described adhesive-layer 2.
In other embodiments, copper cash is bare copper wire or silk copper-clad.Described silk copper-clad comprises bare copper wire, protective layer and nylon yarn.
In the present embodiment, the cross section of copper cash 31 can be circular, ellipse, rectangle and triangle etc.
Described substrate is fiber board or magnetic sheet, but is not limited thereto.
Shown in figure 1, Fig. 2 and Fig. 7, a kind of manufacture craft of Wireless charging coil, comprises the following steps:
Step 1, provides substrate 1;
Step 2, on substrate 1 coating viscosity glue layer 2.
Step 3, by coiling path input control device 20;
Step 4, delivers to line mouth 122 by wire rod;
Step 5, first motion portion 132 makes substrate 1 move according to coiling path under the control of controller 20, second motion portion 134 under the control of controller 20 guide line mouth 122 connects up on adhesive-layer 2, makes fabric wheel 124 that wire rod is pressed in adhesive-layer 2, to make Wireless charging coil simultaneously;
Step 6, cuts off end wire rod.
In the present embodiment, wire rod is flowed to line mouth 122 by wire-sending device 30, and cutting facility cuts off the end wire rod of Wireless charging coil.
Also comprise before step 1, cutting substrate 1, is specially: cut substrate 1 according to cutting path by numerical control cutting machine by cutting three-dimensional coordinate data input numerical control cutting machine; Described substrate 1 can cut into circle, square, rectangle or triangle, but is not limited thereto, and can cut into arbitrary shape as required; And substrate 1 surface is cleaned, wipe oil, dust, namely substrate 1 surface is cleaned.
In steps of 5, also comprise and heating to substrate 1, namely online mouth 122 connects up and while wire rod is pressed in adhesive-layer 2 by fabric wheel 124, heats to substrate 1 on adhesive-layer 1.In the present invention, by heater to base plate heating, heater is positioned at below substrate.In other words, the present invention heats in the process of wiring substrate 1, makes between adhesive-layer 2 and substrate 1 and easier adhesion between wire rod and adhesive-layer.
Adopt this technical scheme, described coil 3 is partially submerged in described adhesive-layer 2, improves the degree of adhesion of coil 3 and substrate 1, makes coil difficult drop-off, increases the life-span of unlimited charge coil, makes Wireless charging coil more durable; And need twice location (to be once need location when coiling with traditional manufacture craft, second time coil is bonded at by gummed paper/glue substrate needs location) compare, the present invention only needs one-time positioning (namely line mouth 122 guides copper cash at the enterprising row wiring of adhesive-layer 2), not only ensure the precise alignment between winding, and reduce quality hidden danger and improve automatic capability, production technology is simple, improves production efficiency, reduces production cost.
The described coil 3 that the manufacture craft of this Wireless charging coil also comprises step 5 completes carries out dimensional accuracy detection, and detected parameters comprises the precision of the arrangement of coil, the spacing of copper cash and R angle (radius value of arc chord angle).When detecting that product size exceeds the error range of permission, the coiling path in time update input control device 20, makes conforming product rate be improved.Also be in other words, in process of production, the present invention constantly improves the coiling path of Wireless charging coil, makes the Wireless charging coil conforming product rate made by manufacture craft of the present invention higher, improves formation efficiency.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection range that all should be included in the claims in the present invention.
Claims (9)
1. a coil winding machine, for coiling on substrate, described substrate scribbles adhesive-layer, it is characterized in that, described coil winding machine comprises Winder, controller, wire-sending device and cutting facility, described Winder comprises winding section and motion portion, described motion portion comprises the first motion portion and the second motion portion, described substrate is connected with described first motion portion, described winding section is connected with described second motion portion, described winding section comprises line mouth and fabric wheel, described controller is for storing coiling path and controlling the motion in described motion portion, wire rod is flowed to described line mouth by described wire-sending device, described first motion portion makes described substrate move according to coiling path under the control of described controller, described second motion portion makes described line mouth connect up on adhesive-layer according to coiling path under the control of described controller, make described fabric wheel that wire rod is pressed in adhesive-layer simultaneously, described cutting facility cuts off end wire rod.
2. coil winding machine according to claim 1, is characterized in that, described coil winding machine comprises the heater for heated substrates, is adhered to described adhesive-layer to make wire rod.
3. coil winding machine according to claim 1, is characterized in that, described substrate is installed on described first motion portion and relatively described first motion portion moves along Y direction.
4. coil winding machine according to claim 1, it is characterized in that, described second motion portion comprises the first motion structure, the second motion structure and the 3rd motion structure, described second motion structure is movably arranged in described first motion structure, and described 3rd motion structure is movably arranged in described second motion structure.
5. coil winding machine according to claim 4, it is characterized in that, described second motion structure moves in the X-axis direction relative to described first motion structure, and described 3rd motion structure moves along Z-direction relative to described second motion structure also can relatively described second motion structure rotational angle.
6. coil winding machine according to claim 5, is characterized in that, described line mouth and described fabric wheel are installed on described 3rd motion structure.
7. a Wireless charging coil, it is characterized in that, the coil comprising substrate, adhesive-layer and utilize coil winding machine as described in claim 1-6 to turn to, described substrate is fixedly connected with described adhesive-layer, and described coiler part to embed in described adhesive-layer thus is fixed on substrate.
8. a manufacture craft for Wireless charging coil, is characterized in that, comprises the following steps:
1) substrate is provided;
2) coating viscosity glue layer on substrate;
3) by coiling path input control device;
4) wire rod is delivered to line mouth;
5) the first motion portion makes substrate move according to coiling path under the control of the controller, second motion portion makes line mouth connect up on adhesive-layer according to coiling path under the control of described controller, make fabric wheel that wire rod is pressed in adhesive-layer, to make Wireless charging coil simultaneously;
6) end wire rod is cut off.
9. the manufacture craft of Wireless charging coil according to claim 8, is characterized in that, also comprises to base plate heating in steps of 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510689704.9A CN105304320B (en) | 2015-10-21 | 2015-10-21 | Winding machine, wireless charging coil and manufacturing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689704.9A CN105304320B (en) | 2015-10-21 | 2015-10-21 | Winding machine, wireless charging coil and manufacturing process thereof |
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| Publication Number | Publication Date |
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| CN105304320A true CN105304320A (en) | 2016-02-03 |
| CN105304320B CN105304320B (en) | 2018-04-13 |
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| CN201510689704.9A Active CN105304320B (en) | 2015-10-21 | 2015-10-21 | Winding machine, wireless charging coil and manufacturing process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110911159A (en) * | 2019-11-26 | 2020-03-24 | 广东科近超导技术研究院有限公司 | A coil forming device |
| CN111640574A (en) * | 2020-07-07 | 2020-09-08 | 黄日元 | Full-automatic magnetic ring inductance winding machine capable of winding long wire |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105304320B (en) | 2018-04-13 |
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Effective date of registration: 20200428 Address after: 523000 area a, No. 336, zone 3, wushiling, Yangwu village, Dalang Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN YOULI ELECTRONICS Co.,Ltd. Address before: 518000, Shenzhen, Guangdong province Baoan District manhole 55 after second industrial zone on the first floor Patentee before: YOUCNC MACHINING Ltd. |
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