CN110471541B - Active capacitive screen touch pen, sensing pen point and manufacturing method thereof - Google Patents
Active capacitive screen touch pen, sensing pen point and manufacturing method thereof Download PDFInfo
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- CN110471541B CN110471541B CN201811586454.6A CN201811586454A CN110471541B CN 110471541 B CN110471541 B CN 110471541B CN 201811586454 A CN201811586454 A CN 201811586454A CN 110471541 B CN110471541 B CN 110471541B
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- pen point
- plastic
- induction pen
- tube
- induction
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 76
- 229920003023 plastic Polymers 0.000 claims abstract description 76
- 239000004033 plastic Substances 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 8
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 19
- 238000009713 electroplating Methods 0.000 claims description 15
- 238000010147 laser engraving Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001465 metallisation Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Pens And Brushes (AREA)
Abstract
The invention discloses an active capacitive screen touch pen, an induction pen point and a manufacturing method thereof, wherein the induction pen point comprises an induction pen point and an induction pen point pipe, the induction pen point comprises conductive plastic, a metal needle, an insulating gasket and an insulating pipe, the conductive plastic is arranged at the front end of the metal needle and is integrally formed with the metal needle, the insulating gasket is sleeved at the bottom end of the metal needle, and the insulating pipe is sleeved outside the insulating gasket; the induction pen point tube is a plastic through hole tube and is sleeved outside the induction pen point, and two separated conductive layers are arranged on the inner wall and the outer wall of the induction pen point tube. The invention has the advantages of stable working performance, simple assembly process, high writing precision, capability of automatically replacing the same type of induction pen points according to the working requirements, and the like.
Description
Technical Field
The present invention relates to a stylus and a method for manufacturing the same, and more particularly, to an active capacitive screen stylus, an inductive pen head, and a method for manufacturing the same.
Background
With the explosive growth of smart phones and tablet computers, more and more application software needs higher-precision touch control, such as drawing software, electronic signatures and the like, a writing pen point of an existing capacitive screen touch control pen in the market is a metal pen point, or a plastic cap is sleeved on the metal pen point, 3 layers of conductive electrodes on the pen point are assembled by manually sleeving a metal sleeve and an insulating tube layer by layer, the touch control pen induction sensitivity and resolution are determined according to the distance between the innermost layer and the outermost layer on the 3 layers of conductive pen point, and due to the processing technology precision problem, the method cannot fundamentally solve the scratch damage of the capacitive touch control pen to the touch control screen of an electronic product, cannot meet the requirements of the capacitive touch control pen on the touch control sensitivity and resolution, in the example, the laser engraving processing technology is added, the precision can be in nanometer level, and the requirements of users on the touch control pen sensitivity and resolution are completely solved. The pen point adopts conductive plastic with flexibility and wear resistance, so that the damage to the drawing mark of the touch screen is thoroughly solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing an active capacitive screen touch pen, an induction pen point and a manufacturing method thereof, which are used for avoiding scratch damage to a touch screen and improving touch sensitivity and display resolution.
In order to solve the technical problems, the invention adopts the following technical scheme:
The induction pen point comprises an induction pen point and an induction pen point tube, wherein the induction pen point comprises conductive plastic, a metal needle, an insulating gasket and an insulating tube, the conductive plastic is arranged at the front end of the metal needle and is integrally formed with the metal needle, the insulating gasket is sleeved at the bottom end of the metal needle, and the insulating tube is sleeved outside the insulating gasket; the induction pen point tube is a plastic through hole tube and is sleeved outside the induction pen point, and two separated conductive layers are arranged on the inner wall and the outer wall of the induction pen point tube.
Preferably, the conductive plastic is a circular body.
Further, the induction pen point tube is a cone, a cylindrical or hexagonal through hole tube.
A manufacturing method of an induction pen point of an active capacitive screen touch pen comprises the following steps:
Placing conductive plastic and a metal needle into an injection mold to form an induction pen point with a round top, sleeving an insulating gasket at the bottom end of the metal needle, sleeving an insulating tube on the insulating gasket, and thus finishing the manufacture of the induction pen point;
placing the injection molded induction pen point tube into electroplating liquid for plastic surface metallization electroplating treatment, so that the whole inner wall and the outer wall of the induction pen point tube are plated with metal to form conductive layers, respectively carrying out laser engraving at two ends of the induction pen point tube, removing a part of the conductive layers, and forming an inner conductive layer and an outer conductive layer of the plastic shell;
And sleeving the manufactured induction pen point into an induction pen point pipe, and injecting glue for fixation to form the induction touch pen point with three conductive electrodes.
Preferably, the length of the induction pen point tube is manufactured to be 8mm-30mm, the inner diameter is manufactured to be 0.8mm-1.2mm, and the outer diameter is manufactured to be 1.6mm-4mm.
The utility model provides an active capacitive screen touch pen with aforementioned response nib, includes pen tube housing, response nib, master control PCBA, battery and power supply control panel, still including connecting the plastic electric connection spare of response nib and master control PCBA, the one end and the response nib threaded connection of plastic electric connection spare, the other end passes through metal elasticity thimble and is connected with master control PCBA.
Further, the plastic electric connection piece is tubular, the inner wall of the plastic electric connection piece is provided with threads matched with the induction pen point, the middle of the bottom of the plastic electric connection piece is provided with a round hole for the metal elastic thimble to pass through, two sides of the outer part of the plastic electric connection piece are respectively provided with a boss for fixing the threads, and the inner wall and the outer wall of the plastic electric connection piece are provided with three separated conductive layers.
Preferably, a pen clip is arranged on the pen tube shell.
The manufacturing method of the active capacitive screen touch pen comprises the following steps: the manufactured induction pen point with three electrodes is welded to the main control PCBA by using leads, a battery is connected with the main control PCBA, a power control board is connected with the battery, and the battery is filled into the pen tube shell.
The manufacturing method of the active capacitive screen touch pen comprises the following steps:
After the plastic electric connecting piece is subjected to mold opening injection molding, the plastic electric connecting piece is placed into an electroplating solution for carrying out plastic surface metallization electroplating treatment, so that the inner wall and the outer wall of the plastic electric connecting piece are plated with a metal conductive layer; removing the conductive layers of the bosses at the two sides by adopting laser engraving to form two independent electrodes; respectively electroplating the bosses twice to form electrodes suitable for connecting the welding disc to the main control PCBA; carrying out laser engraving on the inner layer and the outer layer of the round hole in the middle of the bottom of the plastic electric connecting piece, removing the conducting layer, and then installing a metal elastic thimble to form the plastic electric connecting piece with three independent electrodes; and welding the plastic electric connection piece on the main control PCBA, rotating the manufactured induction pen point on the plastic electric connection piece, and loading the induction pen point into the pen tube shell.
Due to the adoption of the structure, the invention has the following beneficial effects:
The conductive plastic is made of plastic powder material added with nano conductive powder, has certain flexibility and wear resistance, does not leave marks on the screen when the product is written with an electronic capacitive screen, can be made of plastics with different hardness and different elasticity, has the use effect similar to that of drawing pencils (such as 4H, 2H, HB, 2B and 4B pencils), and can be automatically replaced by a user according to working requirements so as to meet the working requirements of different people.
The plastic electric connecting piece adopts a detachable structure, and is convenient for users to detach.
The invention is made of plastic conductive material, saves assembly procedures, and effectively solves the problem of process precision caused by complex assembly process in the prior art.
The invention adds the laser processing technology, the precision can be nano-scale, and the requirements of the user on the sensitivity and the resolution of the touch pen are completely solved.
The features and advantages of the present invention will become more apparent upon reading the detailed description of embodiments of the invention in conjunction with the accompanying drawings.
Drawings
FIG. 1 is an exploded schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic diagram of the internal structure of the plastic electrical connector according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, but it should be construed that the scope of the present invention is not limited thereto.
Example 1
As shown in fig. 1, the induction pen point of the active capacitive screen touch pen comprises an induction pen point formed by a circular conductive plastic 1, a metal needle 3, an insulating gasket 2 and an insulating tube 4, and an induction pen point tube 5 sleeved outside the induction pen point, wherein the conductive plastic 1 is arranged at the front end of the metal needle 3 and is integrally formed with the metal needle 3, the insulating gasket 2 is sleeved at the bottom end of the metal needle 3, and the insulating tube 4 is sleeved outside the insulating gasket 2; the induction pen point tube is a plastic through hole tube, two separated conductive layers are arranged on the inner wall and the outer wall of the induction pen point tube, and the induction pen point tube can be a cone, a cylindrical or a hexagonal through hole tube.
The manufacturing method of the induction pen point of the active capacitive screen touch pen comprises the following steps:
Placing conductive plastic and a metal needle into an injection mold to form an induction pen point with a round top, sleeving an insulating gasket at the bottom end of the metal needle, sleeving an insulating tube on the insulating gasket, and thus finishing the manufacture of the induction pen point;
placing the injection molded induction pen point tube into electroplating liquid for plastic surface metallization electroplating treatment, so that the whole inner wall and the outer wall of the induction pen point tube are plated with metal to form conductive layers, respectively carrying out laser engraving at two ends of the induction pen point tube, removing a part of the conductive layers, and forming an inner conductive layer and an outer conductive layer of the plastic shell; as a preferable scheme, the length of the induction pen point tube can be manufactured to be 8mm-30mm, the inner diameter can be manufactured to be 0.8mm-1.2mm, and the outer diameter can be manufactured to be 1.6mm-4mm; the sensing pen point tube of the embodiment adopts two-stage cone bodies with different sizes, a through hole of 1mm is arranged in the sensing pen point tube, and a thread is made at the bottom of the larger end of the sensing pen point tube.
And sleeving the manufactured induction pen point into an induction pen point pipe, and injecting glue for fixation to form the induction touch pen point with three conductive electrodes.
As shown in fig. 2-3, the invention provides an active capacitive screen touch pen with the sensing pen head, which comprises a pen tube shell 10, a sensing pen head 9, a main control PCBA8, a battery 11 and a power control board 12, and further comprises a plastic electrical connection piece 13 for connecting the sensing pen head 9 and the main control PCBA8, wherein one end of the plastic electrical connection piece 13 is in threaded connection with the sensing pen head 9, the other end is connected with the main control PCBA8 through a metal elastic thimble 7, and a pen clip 14 is arranged on the pen tube shell 10. The manufacturing method of the active capacitive touch pen comprises the following steps: the manufactured induction pen point with three electrodes is welded to the main control PCBA by using leads, a battery is connected with the main control PCBA, a power control board is connected with the battery, and the battery is filled into the pen tube shell.
Example 2
As shown in fig. 4, the active capacitive screen stylus according to the present invention, based on embodiment 1, is configured as a detachable structure, the plastic electrical connection member is tubular, the inner wall of the plastic electrical connection member is provided with threads 16 that are mutually matched with the sensing pen point, the middle of the bottom is provided with a round hole 17 through which the metal elastic thimble passes, the two sides of the outer portion are respectively provided with a boss 15 for fixing the threads, and the inner wall and the outer wall of the plastic electrical connection member are provided with three separate conductive layers.
The manufacturing method of the active capacitive screen touch pen of the embodiment comprises the following steps:
After the plastic electric connecting piece is subjected to mold opening injection molding, the plastic electric connecting piece is placed into an electroplating solution for carrying out plastic surface metallization electroplating treatment, so that the inner wall and the outer wall of the plastic electric connecting piece are plated with a metal conductive layer; removing the conductive layers of the bosses at the two sides by adopting laser engraving to form two independent electrodes; respectively electroplating the bosses twice to form electrodes suitable for connecting the welding disc to the main control PCBA; carrying out laser engraving on the inner layer and the outer layer of the round hole in the middle of the bottom of the plastic electric connecting piece, removing the conducting layer, and then installing a metal elastic thimble to form the plastic electric connecting piece with three independent electrodes; and welding the plastic electric connection piece on the main control PCBA, rotating the manufactured induction pen point on the plastic electric connection piece, and loading the induction pen point into the pen tube shell.
After the manufacturing of the touch pen is finished, signals on the capacitive screen are transmitted to the main control PCBA through three different electrodes to finish signal amplification and detection of the touch pen, the signals are corrected through operation of the main control chip and then transmitted, and writing and drawing of the capacitive screen are finished.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art can make various modifications or changes within the scope of the appended claims, and should not exceed the scope of the present invention described in the claims.
Claims (10)
1. An induction pen point of an active capacitive screen touch pen is characterized in that: the induction pen comprises an induction pen point and an induction pen point pipe, wherein the induction pen point comprises conductive plastic, a metal needle, an insulating gasket and an insulating pipe, the conductive plastic is arranged at the front end of the metal needle and is integrally formed with the metal needle, the insulating gasket is sleeved at the bottom end of the metal needle, and the insulating pipe is sleeved outside the insulating gasket; the induction pen point tube is a plastic through hole tube and is sleeved outside the induction pen point, and two separated conductive layers are arranged on the inner wall and the outer wall of the induction pen point tube; the conductive plastic is made of plastic powder material added with nano conductive powder.
2. The inductive nib of an active capacitive screen stylus of claim 1, wherein: the conductive plastic is a circular body.
3. The inductive nib of an active capacitive screen stylus of claim 1, wherein: the induction pen point tube is a cone, cylindrical or hexagonal through hole tube.
4. The manufacturing method of the induction pen point of the active capacitive screen touch pen is characterized by comprising the following steps of: placing conductive plastic and a metal needle into an injection mold to form an induction pen point with a round top, sleeving an insulating gasket at the bottom end of the metal needle, sleeving an insulating tube on the insulating gasket, and thus finishing the manufacture of the induction pen point; placing the injection molded induction pen point tube into electroplating liquid for plastic surface metallization electroplating treatment, so that the whole inner wall and the outer wall of the induction pen point tube are plated with metal to form conductive layers, respectively carrying out laser engraving at two ends of the induction pen point tube, removing a part of the conductive layers, and forming an inner conductive layer and an outer conductive layer of the plastic shell; and sleeving the manufactured induction pen point into an induction pen point pipe, and injecting glue for fixation to form the induction touch pen point with three conductive electrodes.
5. The method for manufacturing the inductive nib of the active capacitive screen stylus of claim 4, wherein: the length of the induction pen point tube is manufactured to be 8mm-30mm, the inner diameter is manufactured to be 0.8 mm-1.2 mm, and the outer diameter is manufactured to be 1.6 mm-4mm.
6. An active capacitive screen stylus having the inductive tip of claim 1, wherein: including pen tube housing, response nib, master control PCBA, battery and power supply control panel, still including connecting the plastic electric connection spare of response nib and master control PCBA, the one end and the response nib threaded connection of plastic electric connection spare, the other end passes through metal elasticity thimble and is connected with master control PCBA.
7. The active capacitive screen stylus of claim 6, wherein: the plastic electric connection piece is tubular, the inner wall of the plastic electric connection piece is provided with threads matched with the induction pen point, the middle of the bottom of the plastic electric connection piece is provided with a round hole for the metal elastic thimble to pass through, the two sides of the outer part of the plastic electric connection piece are respectively provided with a boss for fixing the threads, and the inner wall and the outer wall of the plastic electric connection piece are provided with three separated conductive layers.
8. The active capacitive screen stylus of claim 7, wherein: and a pen clip is arranged on the pen tube shell.
9. The method of manufacturing an active capacitive screen stylus according to claim 6, comprising the steps of: the manufactured induction pen point with three electrodes is welded to the main control PCBA by using leads, a battery is connected with the main control PCBA, a power control board is connected with the battery, and the battery is filled into the pen tube shell.
10. The method of manufacturing an active capacitive screen stylus according to claim 7, comprising the steps of: after the plastic electric connecting piece is subjected to mold opening injection molding, the plastic electric connecting piece is placed into an electroplating solution for carrying out plastic surface metallization electroplating treatment, so that the inner wall and the outer wall of the plastic electric connecting piece are plated with a metal conductive layer; removing the conductive layers of the bosses at the two sides by adopting laser engraving to form two independent electrodes; respectively electroplating the bosses twice to form electrodes suitable for connecting the welding disc to the main control PCBA; carrying out laser engraving on the inner layer and the outer layer of the round hole in the middle of the bottom of the plastic electric connecting piece, removing the conducting layer, and then installing a metal elastic thimble to form the plastic electric connecting piece with three independent electrodes; and welding the plastic electric connection piece on the main control PCBA, rotating the manufactured induction pen point on the plastic electric connection piece, and loading the induction pen point into the pen tube shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586454.6A CN110471541B (en) | 2018-12-25 | 2018-12-25 | Active capacitive screen touch pen, sensing pen point and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586454.6A CN110471541B (en) | 2018-12-25 | 2018-12-25 | Active capacitive screen touch pen, sensing pen point and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110471541A CN110471541A (en) | 2019-11-19 |
| CN110471541B true CN110471541B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811586454.6A Active CN110471541B (en) | 2018-12-25 | 2018-12-25 | Active capacitive screen touch pen, sensing pen point and manufacturing method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110471541A (en) | 2019-11-19 |
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