TWI632491B - End-face-contact charging module and stylus - Google Patents

Abstract

An end-contact charging module and a stylus pen. The charging module is used for contacting the end surface of the stylus for charging, and includes a body, a first electrode, a second electrode, and a circuit board. It is hollow and has a jack, and the first and second electrodes are both arranged in the body. The first electrode has a first contact portion facing the jack, the second electrode has an elastic member, and a first electrode abutted by the elastic member. Two contact parts, and the second contact part faces the jack, and the circuit board has a charging circuit, and makes electrical contact with the first and second electrodes; thereby, when the end surface of the stylus pen passes the jack, After the two contact parts make electrical contact, the charging module can charge the stylus.

Description

End-contact charging module and stylus

The invention relates to a device for charging a touch tool, in particular to an end-contact charging module and a stylus.

According to the current active stylus on the market, structures such as charging jacks must be provided due to power supply requirements. The more common method is to charge the stylus pen through an external power source such as a room power supply after plugging in a charging cable such as a plug with the same regulations through a slot such as micro USB.

However, for charging through the way that the socket is connected to the socket, the stylus itself has some concerns about waterproofing due to the setting of the socket, and it is not easy to apply to the demand for waterproofing. At the same time, it is easy to affect the integrity of the stylus's appearance design due to the setting of the slot.

In view of this, in order to improve and solve the above-mentioned shortcomings, the present inventors have devoted themselves to research and cooperated with the application of science, and finally proposed a present invention with a reasonable design and effective improvement of the above-mentioned shortcomings.

The main object of the present invention is to provide an end-face contact charging module and a stylus pen, which mainly use the end of the stylus pen for contact charging, so as to avoid the charging structure from affecting the overall appearance of the stylus pen. , Especially on the surface around the pen body.

Another object of the present invention is to provide an end-contact charging module and a stylus pen. Since the contact charging is adopted, there is no need to provide a structure such as a hole in the stylus pen so as not to affect the waterproof property.

In order to achieve the above object, the present invention provides an end-contact charging module for charging by contacting the end surface of a stylus; the charging module includes a body, a first electrode, a second electrode, and A circuit board is hollow in the base and has a jack communicating from the outside of the base to the inside of the base, and the first and second electrodes are provided in the base, and the first electrode has a first contact facing the jack. The second electrode has an elastic member and a second contact portion abutted by the elastic member, the second contact portion faces the jack, and the circuit board has a charging circuit, and the first and second electrodes and the circuit The charging circuit of the board makes electrical contact; thus, when the end surface of the stylus pen is in electrical contact with the first and second contact portions through the jack, the charging module can charge the stylus pen.

In order to achieve the above object, the present invention provides a stylus pen which has two end surfaces and a pen body extending between the two end surfaces, wherein one end surface is provided with a pressure contact portion, and the other end surface is passed through There is a first conductive element, and the first conductive element has a first conductive surface exposed on the other end surface, and the other end surface is further provided with at least one second conductive element and is spaced around the first conductive element, and the second The conductive member has a second conductive surface exposed on the other end surface; wherein the first conductive surface is used for electrical connection with the first contact portion, and the second conductive surface is used for electrical contact with the second contact portion. .

<Invention>

1‧‧‧ Stylus

10‧‧‧face

100‧‧‧Touching part

11‧‧‧face

110‧‧‧end cap

111‧‧‧The first conductive piece

111a‧‧‧first conductive surface

112‧‧‧Second conductive member

112a‧‧‧Second conductive surface

113‧‧‧Circular groove

12‧‧‧Body

120‧‧‧Control circuit board

121‧‧‧ Power Unit

2‧‧‧ Charging Module

20‧‧‧ seat

200‧‧‧accommodation department

201‧‧‧ Piercing Department

202‧‧‧jack

203‧‧‧hole

204‧‧‧bearing shell

205‧‧‧ limit structure

21‧‧‧first electrode

210‧‧‧First contact

22‧‧‧Second electrode

220‧‧‧Elastic piece

221‧‧‧Second contact section

222‧‧‧through hole

23‧‧‧Charging unit

230‧‧‧Charging circuit board

231‧‧‧connector

24‧‧‧ Positioning Structure

240‧‧‧ compression element

241‧‧‧Protrusions

242‧‧‧Body

243‧‧‧burst

3‧‧‧Electronic products

30‧‧‧Host circuit board

FIG. 1 is a perspective view of a stylus pen and a charging module according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a charging module according to an embodiment of the present invention.

FIG. 3 is a partial exploded view of a stylus pen according to an embodiment of the present invention.

4 is a cross-sectional view of a stylus pen inserted into a charging module according to an embodiment of the present invention.

FIG. 5 is an internal structure diagram of a stylus pen inserted into a charging module for positioning according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of applying a charging module to an electronic product according to an embodiment of the present invention.

FIG. 7 is a partial cross-sectional view according to FIG. 6.

In order to allow your reviewers to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention, but the drawings are provided for reference and explanation only, and are not intended to limit the present invention. .

Please refer to FIG. 1, which is a perspective view of a stylus pen and a charging module according to an embodiment of the present invention. The invention provides a stylus pen and a charging module thereof. The stylus pen 1 has two end faces 10 and 11 and a pen body 12 extending between the two end faces 10 and 11. A touch and pressure portion 100 is provided at the touch, and the other end surface 11 can be electrically contacted with the charging module 2 for charging. As shown in FIG. 2, the charging module 2 includes a base body 20, a first electrode 21, a second electrode 22, and a charging unit 23; wherein: the base body 20 is hollow and mainly has a capacity The accommodating portion 200 and a penetration portion 201 formed on the accommodating portion 200. The accommodating portion 200 is used for assembling the components of the first electrode 21, the second electrode 2, and the charging unit 23 therein. The penetrating portion 201 is provided with a socket 202 that is externally connected to the accommodating portion 200 from the base body 20 for one of the end faces 11 of the stylus pen 1 to be inserted into the socket 202 for charging.

Please refer to FIG. 2 and FIG. 4 together. The first electrode 21 is disposed in the base 20 corresponding to the socket 202, and can be a positive electrode. The first electrode 21 can be formed by a rod-shaped conductive body. A needle-shaped first contact portion 210 extends from the front end, and the first contact portion 210 faces the above-mentioned jack 202; and the second electrode 22 is also provided in the base 20 corresponding to the above-mentioned jack 202, and can be a negative electrode, and It has an elastic member 220 and a second contact portion 221 abutted by the elastic member 220. The second contact portion 221 faces the above-mentioned socket 202. In the embodiment of the present invention, the elastic member 220 may be a spring made of a conductive material, and is sleeved on the periphery of the first electrode 21 (that is, sleeved on the first electrode 21). There is a gap between the elastic member 220 and the first electrode 21 at the periphery), and the second contact portion 221 may be formed of a plate-shaped conductor, and a through hole 222 is provided on the second contact portion 221, and the first The two contact portions 221 are disposed on the elastic member 220, so that the end surface 11 of the stylus pen 1 is in electrical contact with the second contact portion 221 and is forced to push the elastic member 220, so that the first contact portion 210 can pass through the communication portion. The hole 222 protrudes from the second contact portion 221, so that the first contact portion 210 can also be in electrical contact with the end surface 11 of the stylus pen 1 (that is, as shown in FIG. 4). In addition, an insulating sleeve 211 may be disposed outside the first electrode 21, and the insulating sleeve 211 is blocked between the first electrode 21 and the elastic member 220.

As mentioned above, the charging unit 23 is mainly composed of a charging circuit board 230 with a charging circuit (not shown) and a connector 231 electrically connected to the charging circuit board 230. The connector 231 It can be a female connector or socket of any specification, such as micro USB, etc., to supply power to the charging unit 23 through a transmission line (not shown) by using power supply equipment such as external room power, and through the first The two electrodes 21 and 22 make electrical contact with the charging circuit board 230 (that is, the positive and negative electrodes of the charging circuit are electrically connected to the first and second electrodes 21 and 22, respectively) to charge the stylus pen 1. In the embodiment of the present invention, the base 20 is provided with a hole 203 on the outer wall of the accommodating portion 200 to correspond to the connector 231. Furthermore, a lower portion of the accommodating portion 200 is provided with a hole. Carrier shell 204, which The charging circuit board 230 of the charging unit 23 is stacked on the carrying case 204 and is assembled together inside and below the accommodating portion 200, and the first and second electrodes 21 and 22 are erected on the charging circuit board 230. Up and facing jack 202. In addition, a limiting structure 205 may be provided in the accommodating portion 200. The limiting structure 205 resists the second contact portion 221 to limit the distance pushed by the elastic member 220, and also has a partition capacity. The arrangement of components in the placement section 200 is required.

Please also refer to FIG. 1 and FIG. 3 together. The stylus pen 1 of this creation is mainly formed on one end surface 11 thereof, and a conductive structure configuration required for electrical contact during charging is formed. As shown in FIG. 3, the pen body 12 of the stylus pen 1 may be provided with an end cap 110 at the opposite end surface 11, and the end surface 11 is formed on the end cap 110, and the pen body 12 A control circuit board 120 and a power unit 121 electrically connected to the control circuit board 120 are provided therein. The power unit 121 can be a storage battery or a rechargeable battery. On the one hand, the control circuit board 120 can be powered to enable it to function. The function of the stylus pen 1 is provided. On the other hand, the control circuit board 120 can also be used for charging. The control circuit board 120 makes electrical contact with the charging module 2 through the end surface 11 so that external power can charge the power unit 121.

As shown in FIG. 4, the above-mentioned end cover 110 is provided with a first conductive member 111 at the center of the end surface 11, and the first conductive member 111 has a first conductive surface 111 a exposed on the end surface 11, and the end cover In 110, at least one second conductive member 112 is provided to surround the first conductive member 111 at intervals (that is, between the second conductive member and the first conductive member 111 that surrounds the first conductive member 111). (With a gap), and may have a second conductive surface 112a (that is, shown in FIG. 5) formed in a continuous loop and exposed on the end surface 11. The end cover 110 itself is made of an insulating material, and the first conductive surface 111a corresponds to the first contact portion 210 of the first electrode 21 for electrical contact, and the second conductive surface 112a corresponds to the first portion. The second contact portion 221 of the two electrodes 22 is in electrical contact; accordingly, after the stylus pen 1 inserts its end surface 11 into the jack 202 of the charging module 2, the aforementioned electrical contact can be achieved to charge the battery. Module 2 The stylus pen 1 can be charged. It is worth mentioning that: in a preferred embodiment of the present invention, the second conductive surface 112a is more prominent than the first conductive surface 111a; moreover, the first conductive surface 111a is recessed in the end surface 11, and The second conductive surface 112 a protrudes from the end surface 11.

In addition, as shown in FIG. 1, FIG. 4, and FIG. 5, in order to facilitate the stylus pen 1 to provide a proper positioning effect when it is inserted into the jack 202, the stylus pen 1 can be set around the periphery of the end cover 110. There is an annular groove 113, and the charging module 2 is provided with at least one positioning structure 24 on the corresponding position opposite to the inner wall of the socket 202, and the above-mentioned limiting structure 205 is assembled from the accommodating portion 200 toward the socket 202, so that The positioning structure 24 can be limited by the limiting structure 205 and fixed to the position of the penetration portion 201 opposite to the annular groove 113. The positioning structure 24 includes a compression element 240 and a compression element 240 pushed toward the insertion hole 202. The flange member 241 has a half-arc body portion 242 corresponding to a part of the annular groove 113 and a protruding ring 243 protruding from the semi-arc surface of the body portion 242; when the stylus pen 1 is inserted into the plug In the hole 202, the compression element 240 of the positioning structure 24 can push against the flange member 241, so that the protruding ring 243 cooperates with the annular groove 113 of the stylus pen 1 to provide a clamping effect, so that the stylus pen 1 can be positioned in the jack 202 of the charging module 2 to maintain its electrical contact state during charging.

Therefore, the stylus pen and the charging module of the present invention can be obtained by the above-mentioned structure and composition.

Moreover, as shown in FIG. 6 and FIG. 7, in other feasible application embodiments of the present invention, the charging module 2 may also be disposed on an electronic product 3, and the electronic product 3 may be a tablet computer or a note-taking device. Type computer, or similar device with touch function or need to use stylus, such as mobile phone. The charging module 2 is located inside the electronic product 3, and the base 20 of the charging module 2 can be integrated with the housing or any part of the electronic product 3, and the jack 202 is exposed to the electronic On any surface of the product 3, the stylus pen 1 can be inserted. In addition, as shown in FIG. 7, the charging power of the charging unit 23 of the present invention The circuit board 230 can be replaced with the host circuit board 30 of the electronic product 3, or the host circuit board 30 has the charging circuit of the charging circuit board 230; that is, the host circuit board 30 integrates the charging circuit and passes through the electronic The power or power source of the product 3 itself can be used to charge the stylus pen 1 through the charging module 2.

In summary, the present invention can indeed achieve the intended purpose of use, and solves the lack of knowledge. Because of its novelty and progress, it fully meets the requirements of the invention patent application. Grant the patent in this case to protect the rights of the inventor.

However, the above are only the preferred and feasible embodiments of the present invention, and the patent scope of the present invention is not limited by this. Therefore, any changes in the equivalent technology, means, etc. used in the description and drawings of the present invention, are the same It is included in the scope of the present invention and is shared by Chen Ming.

Claims (19)

An end-point contact-type charging module of a stylus pen is used for charging by contacting with the end surface of a stylus pen. The charging module includes: a body, which is hollow in the interior, and has an external communication with the base. An internal socket; a first electrode provided in the base body and having a first contact portion facing the socket; a second electrode provided in the base body and having an elastic member; A second contact portion against which the elastic member abuts, the elastic member of the second electrode is sleeved at the periphery of the first electrode, the second contact portion faces the socket; and a circuit board having a charging circuit, and the first The first and second electrodes are in electrical contact with the charging circuit of the charging circuit board; thereby, the end surface of the stylus pen is in electrical contact with the first and second contact portions through the jack, so that the charging mode The group charges the stylus. The end-face contact-type charging module of the stylus pen described in item 1 of the patent application scope, wherein the base system has a receiving portion, a penetrating portion formed on the receiving portion, the first and second electrodes That is, it is set in the accommodating part, and the jack is set on the penetration part to communicate with the accommodating part. According to the end-point contact-type charging module of the stylus pen described in item 2 of the patent application scope, wherein the accommodating portion is provided with a limiting structure, the limiting structure resists the second contact portion. According to the stylus pen end-contact charging module described in the first patent application scope, wherein the first electrode is a positive electrode and the second electrode is a negative electrode. The end-face contact-type charging module of the stylus pen described in item 4 of the scope of patent application, wherein the first electrode is formed by a rod-shaped conductor, and the first contact portion extends from the front end of the conductor And a needle-shaped person. The stylus-end contact type charging module according to item 4 of the scope of patent application, wherein the elastic member of the second electrode is a spring made of a conductive material, and the spacer is placed at the periphery of the first electrode. The second contact portion is composed of a plate-shaped conductive body, and a pair of through holes corresponding to the first contact portion is provided on the second contact portion. According to the end-point contact-type charging module of the stylus pen described in item 4 of the patent application scope, an insulating sleeve is provided between the first electrode and the elastic member. For example, the end-face contact charging module of the stylus pen described in the first patent application scope, wherein a connector is arranged on the circuit board, and a hole is arranged on the base body to correspond to the connector. According to the end-point contact-type charging module of the stylus pen described in the patent application item 8, a bearing case is arranged below the seat body, and the circuit board is stacked on the bearing case and arranged in the seat body. The first electrode and the second electrode are erected on the circuit board. According to the end-point contact-type charging module of the stylus pen described in item 8 of the scope of patent application, it further includes at least one positioning structure, the positioning structure is disposed on the inner wall of the jack, and includes a compression element, and A flange member that the compression element pushes toward the socket. According to the end-point contact-type charging module of the stylus pen as described in claim 10, wherein the flange member has an arc-shaped body portion and a protruding ring protruding from the arc-shaped surface of the body portion. According to the end-point contact charging module of the stylus pen described in item 1 of the patent application scope, the second contact portion is provided with a pair of through holes corresponding to the first contact portion, and the first contact portion passes through the through hole. Make electrical contact with the end surface of the stylus. A stylus pen is used for the end-face contact charging module of the stylus pen as described in item 1 of the scope of patent application; the stylus pen has two end faces and a pen body extending between the two end faces. And one end surface is provided with a pressure contact portion, and the other end surface is provided with a first conductive member, the first conductive member has a first conductive surface exposed on the other end surface, and the other end surface is further provided with There is at least one second conductive member and is spaced around the first conductive member, and the second conductive member has a second conductive surface exposed on the other end surface; wherein the first conductive surface is used to communicate with the first conductive surface. The first contact portion is electrically connected, and the second conductive surface is used to make electrical contact with the second contact portion. According to the stylus pen described in item 13 of the patent application scope, an end cap is mounted on the other end surface, and the other end surface is formed on the end cap. The stylus pen according to item 14 of the scope of patent application, wherein the end cap is provided with a circular groove on the outer ring. The stylus pen described in item 13 of the patent application scope, wherein the end cap is made of an insulating material. The stylus pen described in item 16 of the scope of patent application, wherein the first conductive member is located at the center of the other end surface. According to the stylus pen described in item 17 of the scope of patent application, wherein the first conductive surface is recessed in the other end surface, and the second conductive surface is protruded in the other end surface. The stylus pen described in item 17 of the scope of patent application, wherein the second conductive surface protrudes more than the first conductive surface.