TWI598777B - Capacitive stylus and electrical conducting module thereof - Google Patents

Description

Capacitive stylus and its electrical conduction module

The invention relates to a stylus and an electrical conduction module thereof, in particular to a capacitive stylus and an electrical continuity module thereof.

The touchpad includes three types: resistive, electromagnetic, and capacitive. The resistive touch panel needs to use a pen tip to apply force on a very small area during operation. The electromagnetic touch panel needs to be matched with a special pen with a battery. The working principle of the capacitive touch panel is to use the capacitive coupling effect when the object touches the touch panel, so that the contact position of the object can be detected by the change of the capacitance value, so the capacitive touch panel does not need to consume power. Enter the pen. The use of a capacitive touch panel does not require concentration of pressure points, so the service life is long. Furthermore, the capacitive touch panel has a simple composition, few components, and high product yield, making the capacitive touch panel less expensive in mass production.

There are many ways to operate a capacitive touchpad. The most common is to touch or slide a finger or pen on its surface so that the sensor in the touchpad produces a corresponding signal. However, with the increasing use of capacitive touch panels, they have the disadvantage of low accuracy in detection. In some applications that may require more accurate detection performance, the operation will be smooth. The degree is greatly reduced, so many users will choose to use a capacitive stylus to increase the accuracy of their touch. However, the elastic conductive legs of the prior art capacitive stylus have a lack of contact with the metal pen case to cause a short circuit.

The technical problem to be solved by the present invention is to provide a capacitive stylus and an electrical conduction module thereof, which can pass an insulating fitting member, in view of the deficiencies of the prior art. The electrical insulation is blocked to prevent the conductive structure from electrically contacting the conductive fitting.

In order to solve the above technical problem, one of the technical solutions adopted by the present invention is to provide an electrical conduction module, comprising: a conductive fitting, an insulating fitting, a circuit substrate, and a conductive component. The conductive fitting has at least two first through holes. The insulating fitting has a built-in body disposed inside the conductive fitting to cooperate with the conductive fitting, and an exposed body connected to the built-in body and exposed outside the conductive fitting And the built-in body has at least two second through holes respectively passing through at least two of the first through holes. The circuit substrate is disposed on the insulating mating member. The conductive component is disposed on the circuit substrate and electrically connected to the circuit substrate, wherein the conductive component includes at least two conductive structures respectively passing through at least two second through holes, and at least two conductive The structure avoids electrical contact with the conductive mating member by electrical insulation of the insulating mating member.

Further, the insulating fitting includes an insulating base and at least two elastic structures movably disposed on the insulating base, and each of the elastic structures has at least one connected to the insulating base a plurality of elastic arms and a hollow surrounding body connected between the at least two of the elastic arms and separated from the insulating base, wherein a part of the hollow surrounding body of each of the elastic structures is disposed in a phase Corresponding to the first through holes, and at least two of the second through holes respectively penetrate the two hollow surrounding bodies of the at least two elastic structures.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide an electrical conduction module, comprising: a conductive fitting, an insulating fitting, a circuit substrate, and a conductive component. The conductive fitting has at least two first through holes. The insulating fitting has a mutual fit with the conductive fitting, wherein the insulating fitting has at least two second through holes respectively corresponding to at least two of the first through holes. The circuit substrate is disposed on the insulating mating member. The conductive component is disposed on the circuit substrate, and the conductive component includes at least two conductive structures respectively corresponding to at least two second through holes. Among them, the absolute The edge fitting includes at least two elastic structures, and each of the elastic structures has at least two elastic arms and a hollow surrounding body connected between the at least two of the elastic arms. Wherein a portion of the hollow surrounding body of each of the elastic structures is disposed in the corresponding first through hole, and at least two of the second through holes respectively penetrate two of the at least two elastic structures The hollow surrounding body.

Further, each of the first through holes has a surrounding gap surrounding the corresponding hollow surrounding body, and each of the hollow surrounding bodies has at least two shielding portions corresponding to each other and extending outward And at least two recesses corresponding to each other and connected between the at least two of the shielding portions, and a portion of each of the shielding portions of the hollow surrounding body of the same elastic structure and each of the A portion of the resilient arm is exposed by the surrounding gap of the corresponding first through hole.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a capacitive stylus using an electrical conduction module, characterized in that the electrical susceptibility The conduction module comprises: a conductive fitting, an insulating fitting, a circuit substrate and a conductive component. The conductive fitting has at least two first through holes. The insulating mating member and the conductive fitting member cooperate with each other, and the insulating mating member has at least two second through holes respectively corresponding to at least two of the first through holes. The circuit substrate is disposed on the insulating mating member. The conductive component is disposed on the circuit substrate, and the conductive component includes at least two conductive structures respectively corresponding to at least two second through holes. Wherein the insulating fitting comprises at least two elastic structures, and each of the elastic structures has at least two elastic arms and a hollow surrounding body connected between the at least two of the elastic arms. Wherein a portion of the hollow surrounding body of each of the elastic structures is disposed in the corresponding first through hole, and at least two of the second through holes respectively penetrate two of the at least two elastic structures The hollow surrounding body.

The utility model provides the capacitive stylus and the electrical continuity module thereof provided by the technical solution of the present invention, which can be respectively provided by “the insulating fittings have opposite pairs At least two second through holes that should (or pass through) at least two of the first through holes and "the conductive component includes at least two corresponding to (or through) at least two of the at least two second through holes, respectively The technical feature of the conductive structure is such that at least two conductive structures can be electrically contacted by the electrical insulating barrier of the insulating mating member to avoid electrical contact with the conductive mating member.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

P‧‧‧Capacitive stylus

M‧‧‧Electrical conduction module

1‧‧‧Electrical fittings

100‧‧‧first through hole

100G‧‧‧ Surrounding gap

2‧‧‧Insulation fittings

2A‧‧‧ Built-in ontology

2B‧‧‧Exposed body

20‧‧‧Insulated base

200‧‧‧second through hole

21‧‧‧Flexible structure

211‧‧‧Flexible arm

212‧‧‧ hollow surround body

2121‧‧‧ occlusion

2122‧‧‧Depression

212A‧‧‧The first hollow surround

D1‧‧‧first inner diameter

D1‧‧‧ first outer diameter

212B‧‧‧Second hollow surround

D2‧‧‧second inner diameter

D2‧‧‧ second outer diameter

212C‧‧‧The third hollow surround

D3‧‧‧ third inner diameter

D3‧‧‧ third outer diameter

3‧‧‧ circuit board

S‧‧‧ holding parts

4‧‧‧ Conductive components

40‧‧‧Electrical structure

401‧‧‧Fixed parts

402‧‧‧Activities

R1‧‧‧ radians

R2‧‧‧ radians

FIG. 1 is a partially exploded perspective view showing one of viewing angles of an electrical continuity module according to the present invention.

FIG. 2 is a schematic perspective view showing a perspective view of one of the viewing angles of the electrical continuity module according to the present invention.

FIG. 3 is a partially exploded perspective view showing another viewing angle of the electrical continuity module according to the present invention.

FIG. 4 is a perspective assembled view of another viewing angle of the electrical continuity module according to the present invention.

Fig. 5 is a schematic cross-sectional view showing the line V-V of Fig. 4;

FIG. 6 is a partial bottom view of the electrical continuity module according to the present invention.

FIG. 7 is a perspective exploded view of one of the viewing angles of the insulating component, the circuit substrate, and the conductive component of the electrical continuity module according to the present invention.

FIG. 8 is a perspective exploded view showing another perspective view of an insulating fitting, a circuit substrate, and a conductive component of the electrical continuity module according to the present invention.

FIG. 9 is a top plan view of an insulation fitting of the electrical continuity module according to the present invention.

Fig. 10 is a schematic cross-sectional view taken along the line X-X of Fig. 9.

FIG. 11 is a perspective view of a capacitive stylus provided by the present invention.

The following is a specific embodiment to illustrate the implementation of the "capacitive stylus and its electrical continuity module" disclosed in the present invention. Those skilled in the art can understand the advantages and advantages of the present invention from the contents disclosed in the specification. effect. The present invention may be carried out or applied in various other specific embodiments, and various modifications and changes can be made without departing from the spirit and scope of the invention. In addition, the drawings of the present invention are merely illustrative and are not intended to be construed in terms of actual dimensions. The following embodiments will further explain the related technical content of the present invention, but the disclosure is not intended to limit the scope of the present invention.

Referring to FIG. 1 to FIG. 9 , the present invention provides an electrical continuity module M comprising: a conductive component 1 , an insulating component 2 , a circuit substrate 3 , and a conductive component 4 . In addition, an insulating fitting 2 (for example, an insulating pen cover) is assembled on the conductive fitting 1 (for example, a conductive pen case), and the circuit substrate 3 can be fixed or insulated by at least one holding member S (for example, a screw). The mating member 2 is disposed on the circuit board 3 and electrically connected to the circuit board 3.

First, as shown in FIG. 1 to FIG. 4, the conductive fitting 1 has at least two first through holes 100, and the two first through holes 100 are connected to the outside. In addition, the insulating fitting 2 has a built-in body 2A disposed inside the conductive fitting 1 to cooperate with the conductive fitting 1, and an exposed body 2B connected to the built-in body 2A and exposed to the outside of the conductive fitting 1. That is, as shown in FIG. 2 or FIG. 4, when the insulating fitting 2 is assembled on the conductive fitting 1, the built-in body 2A of the insulating fitting 2 is hidden inside the conductive fitting 1 and insulated. The exposed body 2B of the mating member 2 is exposed to the outside of the conductive fitting 1.

As shown in FIG. 3 to FIG. 5, the inner body 2A of the insulating fitting 2 has at least two second through holes 200 respectively passing through the at least two first through holes 100. That is, as shown in FIG. 4 or FIG. 5, when the insulating fitting 2 is assembled on the conductive fitting 1, at least two second through holes 200 of the built-in body 2A of the insulating fitting 2 respectively pass through the conductive At least two first through holes 100 of the fitting 1 are engaged.

Further, as shown in FIG. 7 to FIG. 10, the insulating fitting 2 includes an insulating base 20 and at least two elastic structures 21 movably disposed on the insulating base 20, and each elastic structure 21 has At least two elastic arms 211 connected to the insulating base 20 and a hollow surrounding body 212 connected between the at least two elastic arms 211 and separated from the insulating base 20 from each other. In addition, at least two second through holes 200 respectively penetrate the two hollow surrounding bodies 212 of the at least two elastic structures 21, and each of the hollow surrounding bodies 212 has at least two shielding portions corresponding to each other and extending outward. 2121 and at least two recesses 2122 corresponding to each other and connected between the at least two shielding portions 2121. In addition, the conductive component 4 includes at least two conductive structures 40 respectively passing through the at least two second through holes 200, and the conductive structure 40 includes a fixing member 401 fixed on the circuit substrate 3 and movably interacting with the fixing member 401 A movable piece 402 that cooperates. For example, the electrically conductive structure 40 can be an electrical connector structure that uses a single-pin spring connector, or an elastic conductive structure that uses shrapnel.

It should be noted that, as shown in FIG. 4 and FIG. 5, a part of the hollow surrounding body 212 of each elastic structure 21 is disposed in the corresponding first through hole 100, so that at least two conductive structures 40 can be insulated. The electrical insulation of the mating member 2 is blocked to avoid electrical contact with the conductive fitting 1 . In addition, as shown in FIG. 5 and FIG. 6 , each of the first through holes 100 has a surrounding gap 100G surrounding the corresponding hollow surrounding body 212 , and each of the shielding portions 2121 of the hollow surrounding body 212 of the same elastic structure 21 . A portion of each of the elastic arms 211 is exposed by the surrounding gap 100G of the corresponding first through hole 100. That is, as shown in FIG. 6, after the insulating fitting 2 is assembled on the conductive fitting 1, each of the hollow surrounding bodies 212 of the same elastic structure 21 is viewed from the bottom end of the electrical continuity module M. An inner side portion of the shielding portion 2121 and an inner side portion of each of the elastic arms 211 are exposed by the surrounding gap 100G of the corresponding first through hole 100. In addition, as shown in FIG. 5, the curvature R1 of the bottom of the conductive fitting 1 will be approximately or equivalent to the curvature R2 of the bottom of the hollow surrounding body 212, so that the conductive fitting 1 and the insulation The bottoms of the component structures in which the mating pieces 2 are mated with each other can form an arc having the same or approximately arc.

Furthermore, as shown in FIG. 5, FIG. 9 and FIG. 10, the hollow surrounding body 212 has a first hollow surrounding portion 212A disposed in the corresponding first through hole 100 and connected to the first hollow surrounding portion 212A. And a second hollow surrounding portion 212B connected between the at least two elastic arms 211 and a third hollow surrounding portion 212C connected to the second hollow surrounding portion 212B, and at least two shielding portions 2121 and at least two recessed portions 2122 Both are disposed on the third hollow surrounding portion 212C. In addition, as shown in FIG. 10, a first inner diameter d1 of the first hollow surrounding portion 212A is smaller than a second inner diameter d2 of the second hollow surrounding portion 212B, and a first outer diameter of the first hollow surrounding portion 212A. D1 will equal or approximate a second outer diameter D2 of the second hollow surrounding portion 212B. In addition, as shown in FIG. 10, a second inner diameter d2 of the second hollow surrounding portion 212B may be equal to or approximately a third inner diameter d3 of the third hollow surrounding portion 212C, and a second portion of the second hollow surrounding portion 212B. The outer diameter D2 may be smaller than a third outer diameter D3 of the third hollow surrounding portion 212C.

Referring to FIG. 11 , the present invention further provides a capacitive stylus P. The capacitive stylus P uses an electrical conduction module M, and the electrical continuity module M can include a conductive fitting 1 An insulating mating component 2, a circuit substrate 3, and a conductive component 4 are the same as those of the electrical conducting module M disclosed above, and therefore will not be discussed further.

In summary, the beneficial effects of the present invention are that the capacitive stylus P and the electrical continuity module M thereof provided by the technical solution of the present invention can pass the "insulation fitting 2 respectively corresponding to (or through) At least two second through holes 200" of at least two first through holes 100 and "the conductive assembly 4 includes at least two conductive structures 40" respectively corresponding to (or passing through) at least two second through holes 200" The technical feature is such that the at least two electrically conductive structures 40 can be electrically contacted by the electrical insulation of the insulating mating member 2 to avoid electrical contact with the electrically conductive fitting 1 .

The above disclosure is only a preferred possible embodiment of the present invention, and thus The scope of the present invention is limited to the scope of the invention, and all equivalent technical changes made by the present invention and the contents of the drawings are included in the scope of the present invention.

2‧‧‧Insulation fittings

2A‧‧‧ Built-in ontology

2B‧‧‧Exposed body

20‧‧‧Insulated base

200‧‧‧second through hole

21‧‧‧Flexible structure

211‧‧‧Flexible arm

212‧‧‧ hollow surround body

3‧‧‧ circuit board

S‧‧‧ holding parts

4‧‧‧ Conductive components

40‧‧‧Electrical structure

401‧‧‧Fixed parts

402‧‧‧Activities

Claims (10)

An electrical continuity module comprising: a conductive fitting having at least two first through holes; an insulating mating member having an inner portion disposed on the conductive mating member a built-in body that cooperates with the conductive fitting and an exposed body that is connected to the inner body and exposed outside the conductive fitting, wherein the built-in body has at least two At least two second through holes of the first through hole; a circuit substrate, the circuit substrate is disposed on the insulating mating member; and a conductive component disposed on the circuit substrate and electrically Connecting to the circuit substrate, wherein the conductive component includes at least two conductive structures respectively passing through at least two second through holes, and at least two conductive structures are avoided by electrical insulation of the insulating mating Electrically contacting the conductive fitting; wherein the insulating fitting comprises an insulating base and at least two elastic structures movably disposed on the insulating base, Between the at least two resilient arms each having one of the elastic structure is connected to the insulating base and connected to at least two of said resilient arms and separated from each other with the insulation a hollow base surrounding body. The electrical continuity module of claim 1, wherein a portion of the hollow surrounding body of each of the elastic structures is disposed in the corresponding first through hole, and at least two of the second The through holes respectively extend through the two hollow surrounding bodies of the at least two elastic structures. The electrical continuity module of claim 2, wherein each of the first through holes has a surrounding gap surrounding the corresponding hollow surrounding body, each of the hollow surrounding bodies having a corresponding to each other At least two shielding portions extending outwardly and corresponding to each other and connected between at least two of the shielding portions Having two recesses, and a portion of each of the occluded portions of the hollow surrounding body of the same elastic structure is corresponding to the first through hole corresponding to a portion of each of the resilient arms The surrounding gap is bare. The electrical continuity module of claim 3, wherein the hollow surrounding body has a first hollow surrounding portion disposed in the corresponding first through hole, and is connected to the first hollow surrounding portion And a second hollow surrounding portion connected between the at least two of the elastic arms and a third hollow surrounding portion connected to the second hollow surrounding portion, and at least two of the shielding portions and at least two of the a recessed portion is disposed on the third hollow surrounding portion, wherein a first inner diameter of the first hollow surrounding portion is smaller than a second inner diameter of the second hollow surrounding portion, and the first hollow a first outer diameter of the surrounding portion is equal to a second outer diameter of the second hollow surrounding portion, wherein a second inner diameter of the second hollow surrounding portion is equal to a third portion of the third hollow surrounding portion An inner diameter, and a second outer diameter of the second hollow surrounding portion is smaller than a third outer diameter of the third hollow surrounding portion, wherein the circuit substrate is fixed to the insulation fit by at least one holding member And the conductive structure includes being fixed on the circuit base A fixing member on the plate and a movable member movably engaging the fixing member. An electrical continuity module includes: a conductive fitting member having at least two first through holes; and an insulating fitting member, wherein the insulating mating member and the conductive fitting member cooperate with each other, wherein The insulating mating member has at least two second through holes respectively corresponding to at least two of the first through holes; a circuit substrate, the circuit substrate is disposed on the insulating mating member; and a conductive component, The conductive component is disposed on the circuit substrate, wherein the conductive component includes at least two conductive structures respectively corresponding to at least two second through holes; wherein the insulating mating member includes at least two elastic structures, and Each of the elastic structures has at least two resilient arms and is coupled to at least two of the bullets a hollow surrounding body between the arms; wherein a portion of the hollow surrounding body of each of the elastic structures is disposed in the corresponding first through hole, and at least two of the second through holes are respectively Two of said hollow surrounding bodies running through at least two of said elastic structures. The electrical continuity module of claim 5, wherein each of the first through holes has a surrounding gap surrounding the corresponding hollow surrounding body, each of the hollow surrounding bodies having a corresponding to each other At least two shielding portions extending outwardly and at least two recessed portions corresponding to each other and connected between at least two of the shielding portions, and each of the hollow surrounding bodies of the same elastic structure A portion of the shielding portion is exposed to the surrounding gap of the first through hole corresponding to a portion of each of the elastic arms. The electrical continuity module of claim 6, wherein the hollow surrounding body has a first hollow surrounding portion disposed in the corresponding first through hole and connected to the first hollow surrounding portion And a second hollow surrounding portion connected between the at least two of the elastic arms and a third hollow surrounding portion connected to the second hollow surrounding portion, and at least two of the shielding portions and at least two of the a recessed portion is disposed on the third hollow surrounding portion, wherein a first inner diameter of the first hollow surrounding portion is smaller than a second inner diameter of the second hollow surrounding portion, and the first hollow a first outer diameter of the surrounding portion is equal to a second outer diameter of the second hollow surrounding portion, wherein a second inner diameter of the second hollow surrounding portion is equal to a third portion of the third hollow surrounding portion An inner diameter, and a second outer diameter of the second hollow surrounding portion is smaller than a third outer diameter of the third hollow surrounding portion, wherein the circuit substrate is fixed to the insulation fit by at least one holding member And the conductive structure includes being fixed on the circuit base A fixing member on the plate and a movable member movably engaging the fixing member. A capacitive stylus, the capacitive stylus uses an electrical conduction module, wherein the electrical continuity module comprises: a conductive fitting, the conductive fitting has at least two Consistent perforation; An insulating mating member, the insulating mating member and the conductive mating member are engaged with each other, wherein the insulating mating member has at least two second through holes respectively corresponding to at least two of the first through holes; a substrate, the circuit substrate is disposed on the insulating mating member; and a conductive component disposed on the circuit substrate, wherein the conductive component includes a corresponding one of the at least two second through holes At least two electrically conductive structures; wherein the insulative fitting comprises at least two elastic structures, and each of the elastic structures has at least two resilient arms and a hollow surrounding body coupled between the at least two of the resilient arms Wherein a portion of the hollow surrounding body of each of the elastic structures is disposed in the corresponding first through hole, and at least two of the second through holes respectively penetrate through at least two of the elastic structures Two of said hollow surround bodies. The capacitive stylus according to claim 8, wherein each of the first through holes has a surrounding gap surrounding the corresponding hollow surrounding body, each of the hollow surrounding bodies having a corresponding to each other At least two shielding portions extending outwardly and at least two recessed portions corresponding to each other and connected between at least two of the shielding portions, and each of the hollow surrounding bodies of the same elastic structure A portion of the shielding portion is exposed to the surrounding gap of the first through hole corresponding to a portion of each of the elastic arms. The capacitive stylus according to claim 9, wherein the hollow surrounding body has a first hollow surrounding portion disposed in the corresponding first through hole and connected to the first hollow surrounding portion And a second hollow surrounding portion connected between the at least two of the elastic arms and a third hollow surrounding portion connected to the second hollow surrounding portion, and at least two of the shielding portions and at least two of the a recessed portion is disposed on the third hollow surrounding portion, wherein a first inner diameter of the first hollow surrounding portion is smaller than a second inner diameter of the second hollow surrounding portion, and the first hollow a first outer diameter of the surrounding portion is equal to a first portion of the second hollow surrounding portion a second outer diameter, wherein a second inner diameter of the second hollow surrounding portion is equal to a third inner diameter of the third hollow surrounding portion, and a second outer diameter of the second hollow surrounding portion is smaller than a third outer diameter of the third hollow surrounding portion, wherein the circuit substrate is fixed on the insulating mating member by at least one holding member, and the conductive structure comprises a fixing fixed on the circuit substrate And a movable member that can movably cooperate with the fixing member.