TW201303926A - Flexible wireless electric power induction board process and induction module structure - Google Patents

Abstract

A flexible wireless electric power induction module at least includes a hollow planar coil and an induction board. A non-conductive material is utilized to mount the coil onto the induction board, wherein the process of the induction board is firstly to prepare an iron core plate, and the surface of the iron core plate is made thereon a patterned treatment to form a plurality of grooves. According to the grooves, the iron core plate is fractured to form a plurality of iron core blocks, then the iron core blocks are assembled into a flat board shape, and at least a flexible material is used to mount or encapsulate at least a surface to form the induction board, thereby making the induction board made from the present invention not fracture due to falling off.

Description

Flexible wireless power sensor board process and sensor module structure

The invention relates to a flexible wireless power induction board manufacturing method and a structure thereof, and particularly relates to a power induction receiving module of a wireless power transmission system, a manufacturing method of the flexible power induction board and an induction board structure.

Press, in handheld electronic devices, such as mobile phones, PDAs (personal digital assistants), palmtop computers, notebook computers or tablets, etc., all powered by batteries, so that users can use them when there is no mains. And these electronic devices are equipped with a wired power supply to facilitate battery charging or power supply using the mains.

Due to advances in technology, a new type of wireless power transmission system has been developed to transmit power using electromagnetic induction to power the handheld electronic devices or to charge their batteries. The wireless power transmission system includes a power transmission module 10 and a power receiving module 20, as shown in FIG.

The power transmission sensing module 10 has a transmitting end coil 11 and a transmitting end core plate 12, and the coil 11 is disposed on a surface of the core board 12; and the power receiving sensing module 20 also has a receiving end coil. 21. A receiving end core plate 22, the coil 21 also being placed on a surface of the core plate 22.

When the power is to be transmitted wirelessly, the power receiving sensing module 20 is brought close to the power transmission module 10, and a current flows through the transmitting end coil 11 to generate a magnetic field at the transmitting end core plate 12, and the receiving end core plate 22 senses the magnetic field. Then, a current is generated at the receiving end coil 21.

Generally, the power receiving and sensing module 20 is mostly disposed in the handheld electronic devices, and the handheld electronic device may cause the core plate 22 to be broken due to falling. Generally, the surface of the core plate is not processed, so If it breaks, it will separate from the coil and affect the power induction.

Therefore, the inventor of the present invention proposes a manufacturing method and structure of a flexible wireless power induction board, which first breaks the core board into a plurality of blocks, and then coats the core blocks with a PET tape or a viscose material to form a plate shape. When it is dropped, it has a plurality of blocks and has flexibility, and does not break again. Even if it is broken again, it will be protected by the covering material, and will not be separated from the coil, thereby affecting the electric induction.

The object of the present invention is to provide a process and a sensing module structure of a flexible wireless power sensor board, which can protect the wireless core sensor panel from being broken due to falling, external force or falling test, and image power sensing.

The main technical feature of the present invention is to provide a flexible wireless power induction board process, the process first preparing a core board; then performing a patterning process on at least one surface of the core board to form a patterned multi-groove; The trenches break the core plate to form a plurality of independent core blocks; finally, the core blocks are combined into a flat shape, and at least one surface is adhered or coated with at least one flexible material to form the sensing plate.

The second technical feature of the present invention is to provide a flexible wireless power sensing module process, the module is a power receiving sensing module, and the process first prepares a coil, which is in the form of a hollow central plane; A sensing plate is formed by an inductive plate process; finally, a non-conductive material is adhered between the coil and the sensing plate.

A further technical feature of the present invention is to provide a flexible wireless power sensing module, which is a power receiving sensing module, comprising at least one coil, a first sensing board and a first non-conductive material, wherein The coil is in a planar shape with a central hollow; wherein the first sensing plate is formed by an induction plate manufacturing method; and the first non-conductive material adheres the coil to a surface of the first core plate.

The detailed description of the present invention and the accompanying drawings are not to be construed as limiting the invention.

Please refer to FIG. 2 , which is a perspective exploded view of a flexible wireless power sensing module according to the present invention, and FIG. 3 is a combined perspective view of FIG. 2 , and the flexible power sensing module 30 of the present invention can be A power receiving sensing module includes at least one coil 31, a first sensing board 32, and a second sensing board 33. The coil 31 is in a planar shape with a central hollow, and the area of the first sensing board 32 is larger than The outer edge of the coil 31 has an area smaller than the center of the coil.

The coil 31 can be adhered to a surface of the first sensing plate 32 by using a first non-conductive material 34, and the second sensing plate 33 is embedded in the hollow of the center of the coil 31, and can utilize a second The conductive material 35 is adhered to the first sensing plate 32. The first non-conductive material 34 and the second non-conductive material 35 may both be a double-sided tape or an adhesive, or one of the double Face tape, the other is an adhesive.

Referring to FIG. 4 together, it is a manufacturing flowchart of the flexible non-power sensor board of the present invention, wherein the first sensor board 32 and the second sensor board 33 are manufactured by the same manufacturing method, and the process is firstly performed. A core plate 40 (101) is disposed, and then a patterning process is performed on one surface of the core plate 40, or a patterning process is performed on both sides, so that the surface of the core plate 40 is formed with a patterned complex groove 41 (102). ).

Preferably, the second sensing plate 33 and the first sensing plate 32 are integrally formed by a convex core plate 40, and the protruding portion can be conveniently placed at the center hollow of the coil 31, as shown in the figure. 5A~D is a side view showing various embodiments of the patterning process of the convex type core plate of the present invention, wherein FIG. 4A forms a plurality of grooves on the bottom surface of the convex type induction plate, and FIG. 5B is on the bottom surface of the induction plate and A plurality of grooves are formed on the top surface of the protruding portion. FIG. 5C forms a plurality of grooves on the surface of the sensing plate and the top surface of the protruding portion. The lower surface of the sensing plate and the top surface of the protruding portion are formed with a plurality of grooves. FIG. 6 is a perspective exploded view of the power sensing module using the convex shaped sensing board of the present invention.

In the drawing process of the present invention, the core plate 40 can be used with a punching machine. As shown in the schematic diagram of FIG. 7, the machine is provided with a patterned multi-toothed jig. When the jig 40 is pressed by the jig, A patterned plurality of grooves 41 may be formed on the surface of the core plate 40, and the grooves 41 may have a concave triangular shape, an arc shape or a trapezoidal shape.

Next, the present invention breaks the core plate 40 according to the grooves 41, so that the core plate 40 becomes a plurality of independent core blocks (103), and the patterned groove 41 can be a horizontal strip or a straight strip. As shown in FIG. 8A and FIG. 8 , the core plate 40 can be broken into a plurality of elongated core blocks, or the patterned grooves 41 can be squared in a straight line, as shown in FIG. As shown in C, the core plate is broken into a plurality of square core blocks, or the horizontally staggered portions of the checkered grooves 41 are separated by a gap without grooves, as shown in FIG. 8D, or The patterned groove 41 may be in the form of a honeycomb, as shown in Fig. 8E, or other irregular geometry or the like.

Finally, the present invention combines the core blocks into a flat shape or a convex shape, and at least one surface of the core piece assembly of at least one flexible material 50 is adhered or coated to form the induction plate (104). The flexible material 50 can use a non-conductive PET tape or an adhesive. If PET tape is used, two adjacent core blocks can be closely spaced without gaps. If an adhesive is used, two adjacent cores are used. There may be a small gap between the blocks to accommodate the adhesive.

Preferably, the coil 31 has at least one lead wire for drawing an induced current, and the lead wire can be buried in a gap between two adjacent core blocks of the first sensing plate 32 (as shown in FIG. It is a partial enlarged view of Figure 3.)

As shown in FIG. 10, it is a manufacturing flow chart of the flexible non-power sensing module of the present invention. In addition to the sensor board, the invention needs to combine the components of the coil as shown in FIG. 2 to become a complete sensing module. Therefore, the manufacturing process first includes a planar coil that is hollowed out at the center, a first sensing plate 32, and a second sensing plate 33 (201). The first and second sensing plates are formed by the foregoing method. An area of the sensing plate 34 is larger than the coil 31, and the second sensing plate 35 is smaller than the central hollow of the coil 31, so that it can be embedded in the central hollow of the coil 31, and the height of the second sensing plate 35 is at least It is equal to the coil 31.

Preferably, the second sensing plate 33 and the first sensing plate 32 are integrally formed by a convex core plate 40, and the protruding portion can be conveniently placed at the center hollow of the coil 31, as shown in the figure. Six is shown.

Preferably, the coil 31 has at least one lead wire for drawing an induced current, and the lead wire can be buried in a gap between two adjacent core blocks of the first sensing plate 32, as shown in FIG.

Then, a first non-conductive material 34 is adhered between the coil 31 and a surface of the first sensing plate 34 (202), and finally a second non-conductive material 35 is adhered to the first sensing plate 34 and the first The two sensing plates 35 are interposed (203) to complete the flexible power sensing module of the present invention, and the first and second non-conductive materials 34, 35 may be a double-sided tape or an adhesive.

The present invention is capable of providing a design that is quite different from the prior art by the above-mentioned disclosed technology, which can improve the overall use value, and is not found in the publication or public use before the application, and has already met the requirements of the invention patent. , 提出 filed an invention patent application in accordance with the law.

10. . . Power transmission sensor module

11. . . Coil

12. . . Iron core board

20. . . Power receiving sensor module

twenty one. . . Coil

twenty two. . . Iron core board

30. . . Power sensor module

31. . . Coil

32. . . First sensor board

33. . . Second sensor board

34. . . First non-conductive material

35. . . Second non-conductive material

40. . . Iron core board

41. . . Trench

50. . . Flexible material

Figure 1 is a schematic diagram of a conventional power transmission system;

2 is a perspective exploded view of a flexible wireless power sensing module according to the present invention;

Figure 3 is a schematic perspective view of the combination of Figure 2;

Figure 4 is a manufacturing flow chart of the flexible wireless power sensor board of the present invention;

Figure 5A~D are side views showing various embodiments of the patterning process of the convex type core plate of the present invention;

FIG. 6 is a perspective exploded view of the power sensing module using the convex shaped sensing board of the present invention.

Figure 7 is a schematic view of the present invention using a stamping machine to process the core plate;

8A to E are schematic views of an embodiment of a patterned groove of the present invention;

Figure 9 is a partial enlarged view of Figure 3;

Figure 10 is a manufacturing flow chart of the flexible non-power sensing module of the present invention.

30. . . Power sensor board

31. . . Coil

32. . . First sensor board

33. . . Second sensor board

34. . . First non-conductive material

35. . . Second non-conductive material

50. . . Flexible material

Claims (29)

A flexible wireless power induction board process includes at least: preparing a core plate; performing a patterning process on at least one surface of the core plate to form a patterned plurality of grooves; and breaking the core plate according to the grooves to form a plurality of a separate core block; and the core blocks are combined into a flat shape, and at least one surface is adhered or coated with at least one flexible material to form the sensing plate. The flexible wireless power induction board process of claim 1, wherein the gully is in a concave triangular shape, an arc shape or a trapezoidal shape. The flexible wireless power induction board process of claim 1, wherein the patterning groove is in the form of a horizontal strip or a straight strip, so that the core sheet can be broken into a plurality of strips. The flexible wireless power induction board process according to claim 1, wherein the patterning groove is in the shape of a square bar which is staggered in a straight line, so that the core plate is broken into a plurality of square shapes. The flexible wireless power induction board process of claim 1, wherein the horizontally staggered intersections of the checkered grooves are separated by a gap without grooves. The flexible wireless power induction board process of claim 1, wherein the patterned groove is in a honeycomb shape or other irregular geometry. The flexible wireless power induction board process of claim 1, wherein the steps of the core blocks are combined, wherein two adjacent core blocks are closely spaced without a gap. The flexible wireless power induction board process of claim 1, wherein the step of combining the core blocks, wherein a gap is formed between two adjacent core blocks, can be used to accommodate the flexible material. . The flexible wireless power induction board process of claim 1, wherein the flexible material is a non-conductive PET tape or an adhesive. The flexible wireless power induction board process of claim 1, further comprising the steps of: preparing a coil and forming a hollow central plane; and bonding a non-conductive material between the coil and the induction board. ; The flexible wireless power induction board process of claim 10, wherein the non-conductive material is a double-sided tape or an adhesive. The flexible wireless power induction board process of claim 10, wherein the area of the coil is smaller than the sensing board. The flexible wireless power induction board process of claim 10, wherein the sensing board has a convex shape, and the protruding portion is just accommodated in a hollow of the center of the coil. The flexible wireless power induction board process of claim 10, wherein the coil has at least one lead wire for extracting an induced current, and the lead wire can be embedded in two adjacent core blocks of the sensing board. Between the gaps. The flexible wireless power induction board process of claim 10, further comprising the steps of: adding a second sensing board, which is prepared according to the method of claim 1 of the patent application, and is suitable for The center of the coil is hollowed out at a height at least equal to the coil; and a non-conductive material is adhered between the sensing plate and the second sensing plate. The flexible wireless power induction board process of claim 15, wherein the non-conductive material is a double-sided tape or an adhesive. A flexible wireless power sensing module process, the module is a power receiving sensing module, the process includes at least: preparing a coil and forming a central hollow plane; preparing a first sensing board for patent application The method of item 1 is made; and a non-conductive material is adhered between the coil and the sensing plate. The flexible wireless power sensing module process of claim 17, wherein the non-conductive material is a double-sided tape or an adhesive. The flexible wireless power sensing module process of claim 17, wherein the first sensing plate has an area larger than the coil. The flexible wireless power sensing module process of claim 17, wherein the first sensing plate has a convex shape, and the protruding portion is just received in a hollow of the center of the coil. The flexible wireless power sensing module process of claim 17, wherein the coil has at least one lead wire for extracting an induced current, and the lead wire can be embedded in two adjacent cores of the sensing plate. In the gap between the blocks. The flexible wireless power sensor module process of claim 17, wherein the method further comprises the following steps: preparing a second sensor board, which is prepared according to the method of claim 1 of the patent application, and can be accommodated The central hollow of the coil has a height at least equal to the coil; and the non-conductive material is adhered between the first sensing plate and the second sensing plate. A flexible wireless power sensing module, the module is a power receiving sensing module, comprising at least: a coil, which is in the form of a center hollow; a first sensing board is claimed in the first item of the patent scope The method is made; and a first non-conductive material adheres the coil to a surface of the first core plate. The flexible wireless power sensing module of claim 23, wherein the first non-conductive material is a double-sided tape or an adhesive. The flexible wireless power sensing module of claim 23, wherein the first sensing plate has an area larger than the coil. The flexible wireless power sensing module of claim 23, wherein the first sensing plate has a convex shape, and the protruding portion is just received at the center hollow of the coil. The flexible wireless power sensing module of claim 23, wherein the coil has at least one lead wire for extracting an induced current, and the lead wire can be embedded in two adjacent core blocks of the sensing plate. Between the gaps. The flexible wireless power sensor module of claim 23, further comprising: a second sensor board, which is formed by the method described in claim 1 and placed in the coil The central hollow portion has a height at least equal to the flat coil; and a second non-conductive material adheres to the second sensing plate and the first sensing plate. The flexible wireless power sensing module of claim 28, wherein the second non-conductive material is a double-sided tape or an adhesive.