CN110362236A - A kind of capacitive touch screen waterproof countermeasure set - Google Patents

A kind of capacitive touch screen waterproof countermeasure set Download PDF

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Publication number
CN110362236A
CN110362236A CN201910821651.XA CN201910821651A CN110362236A CN 110362236 A CN110362236 A CN 110362236A CN 201910821651 A CN201910821651 A CN 201910821651A CN 110362236 A CN110362236 A CN 110362236A
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CN
China
Prior art keywords
touch screen
capacitive touch
packing material
elastic film
dianegative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910821651.XA
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Chinese (zh)
Inventor
金辰一
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910821651.XA priority Critical patent/CN110362236A/en
Publication of CN110362236A publication Critical patent/CN110362236A/en
Withdrawn legal-status Critical Current

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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
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • 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

Abstract

The present invention discloses a kind of capacitive touch screen waterproof countermeasure set, using the matching design of rigid border, elastic film and dianegative, and in the enclosure space that it is surrounded fill particular requirement packing material；This programme fills up packing material in confined space, even if external temperature rapid drawdown or difference variation are larger, inside will not condense fog, still maintains transparent；In addition, packing material herein will make around to generate protrusion, therefore recess area is smaller around being extruded to, and being influenced by water also can be smaller when finger or conductor press elastic film, guarantee that the product has higher sensitivity.This programme smart structural design, practical value is high, has a wide range of application, it can be by water segregation except the distance of reaction of capacitance touch screen, water generates interference to capacitance touch screen when preventing from touching, but also it can use under water, sensitivity with higher, easy to use and operate, popularization with higher and practical application value.

Description

A kind of capacitive touch screen waterproof countermeasure set
Technical field
The present invention relates to a kind of capacitive touch screen waterproof countermeasure sets, especially for projected capacitive touch screen waterproof Interference uses.
Background technique
Capacitive touch screen is very universal, is widely used in consumable electronic product, industrial circle, engineering equipment, military Equipment etc. has become the important medium of human-computer interaction.Capacitive touch screen is broadly divided into following two major classes: surface capacitance type touching Touch screen and projected capacitive touch screen；Wherein projected capacitive touch screen is because of the advantages that its precision is high and can realize multiple point touching And be used widely, consumable electronic product largely belongs to projected capacitive touch screen.
However, touch operation will be made when occurring more conducting liquid in projected capacitive touch screen induction range Failure, when such as drenching with rain, swimming or is underwater.Waterproof cover or waterproof jacket currently on the market is mainly used for preventing water from penetrating into hand Machine.Common waterproof cover, can not be to touching because being unable to deformation although screen can be seen under water using hard materials such as pc Screen is touched to be operated.Waterproof jacket is often used relatively thin transparent soft material, uses the capacitance type touch screen equipment of this kind of waterproof jacket After being immersed in the water, waterproof jacket is often tightly attached on screen by hydraulic pressure, due to the conductor characteristics of water, causes touch screen can not be just to manpower Often induction.Solution common at this time is inflated in soft waterproof jacket, with air by screen and water segregation to touch screen induction Apart from the external influence for avoiding water to touch screen, but inflate mode can bring another problem, shape between water and air At rough lens effect, lead to not normally see screen, and compressibility because of air and mobility cause It is difficult to precise manipulation touch screen.
Summary of the invention
The present invention provides a kind of capacitive touch screen waterproof countermeasure sets, to solve projected capacitive in the prior art The problem of being interfered when touch screen operation vulnerable to water.
The present invention, which is that the following technical solution is employed, to be realized: a kind of capacitive touch screen waterproof countermeasure set, application When be close to the setting of capacitance touch screen surfaces, property frame forms an enclosure space, and insulation, saturating is provided in the enclosure space Bright, incompressible, easily-deformable and immobilising packing material；
The elastic film is a flat surface in its natural state, elastic film with a thickness of L1；The packing material uses Thixotropic liquid or elastomeric polymer, packing material with a thickness of L2；The dianegative uses rigid, dianegative With a thickness of L3, if the maximum distance of reaction of capacitive touch screen is d, then L1 < d, L2 < d, L3 < d；When in without operation nature shape Under state, L1+L2+L3 > d, extraneous conducting liquid will not have an impact screen；When operative, press points B and capacitor The distance between formula touch screen D < d, capacitive touch screen can sense the touch operation of B location, and other positions are still greater than electricity Appearance formula touch screen induction range.
Further, the packing material is uniformly mixed by dimethicone and fumed silica thixotropic agent.
Further, the packing material is silicon gel.
Further, the packing material is PVC elastic resin.
Further, the rigid border is PC material or aluminum alloy material.
Further, the dianegative is glass material or polycarbonate.
Further, the elastic film is transparent TPU material or transparent TPEE material.
Further, the packing material with a thickness of 1mm-10mm, dianegative with a thickness of 0.2mm-0.6mm, bullet Property film with a thickness of 0.03mm-0.3mm.
Further, the elastic film is wrapped on the outside of dianegative and rigid border, and packing material is filled in elasticity In the space that film is surrounded.
Compared with prior art, the advantages and positive effects of the present invention are:
Rigid border, the matching design of elastic film and dianegative, and its enclosure space for surrounding are used in this programme The packing material of middle filling particular requirement:
Firstly, because filling up packing material in the confined space that elastic film, rigid border, dianegative are surrounded and not having There is air, so inside will not condense fog even if external temperature rapid drawdown or difference variation are larger, still maintains transparent, no It influences to use；In addition, used packing material is the incompressible fluid or elastomer of insulation, when finger or conductor press bullet Property film, packing material herein will be ostracised to surrounding, and make around to generate protrusion, therefore recess area is smaller, by water Influence also can be smaller, has higher sensitivity；
Moreover, the waterproof countermeasure set that this programme is proposed is latter with loading waterproof touch screen and protective device binding Bag excludes additional air, can also effectively operate projected capacitive touch screen under water, because institute's packing material is that can not press The variation of contracting, easily-deformable, transparent, insulation, not stream material, external water pressure or air pressure will not be such that packing material volume becomes Change, influence operation will not be touched；
In short, this programme smart structural design, practical value is high, has a wide range of application, can be by water segregation in capacitance touch screen Distance of reaction except, prevent touch when water to capacitance touch screen generate interference, can also use, all have higher under water Sensitivity, easy to use and operate, popularization with higher and practical application value.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of waterproof countermeasure set described in the embodiment of the present invention and electronic device cooperation；
Fig. 2 is the overall structure diagram after the installation on the electronic devices of waterproof countermeasure set described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of waterproof countermeasure set and electronic device described in the embodiment of the present invention；
Fig. 4 is the schematic cross-sectional view of Fig. 2；
Fig. 5 is waterproof countermeasure set principle of induction schematic diagram described in the embodiment of the present invention.
Specific embodiment
Above object and advantages of the invention are understood in order to clearer, with reference to the accompanying drawing to of the invention specific Embodiment describes in detail:
As shown in Figs 1-4, the capacitive touch screen waterproof countermeasure set that this programme is proposed includes elastic film 1, fills out Fill material 2, rigid border 3 and dianegative 4, when concrete application can be wrapped up dianegative and rigid border with elastic film Getting up, dianegative 4 is fixed on 3 side of rigid border in this implementation, elastic film 1 is fixed on the other side of rigid border 3, And elastic film 1 is a flat surface in a free state, and packing material 2 is filled in dianegative 4, rigid border and elastic film In the enclosure space surrounded, 2 material of filling material is insulation, transparent, incompressible, easily-deformable and not stream material, can be adopted With thixotropic liquid and elastomeric polymer；The dianegative 4 is the distance of reaction that rigid, transparent, thickness is less than capacitance plate；It answers The dianegative of used time above-mentioned apparatus is close proximity to capacitance touch screen surfaces, as shown in Fig. 2, be fixed at electronic equipment outline border, it will The apparatus bound of outline border and capacitance touch screen.
Shown in Fig. 5, L1 is the thickness of elastic film, and L2 is the thickness of packing material, and L3 is the thickness of dianegative, if electric Appearance formula touch screen maximum distance of reaction be d, then packing material thickness L2 < d, transparent base board thickness L3 < d, elastic film thickness L1 < D, when being in the formation state without operation (when surface is undeformed), L1+L2+L3 > d, extraneous conducting liquid will not produce screen It is raw to influence.When operative, the distance between press points B and touch screen D < d, that is to say, that when have finger or conductor by When pressing part B, which will sink, i.e., within the scope of L1+L2+L3 < d, capacitive touch screen can sense the touching of B location Operation is touched, other positions are still greater than capacitive touch screen induction range.
Embodiment 1, the present embodiment takes the mobile phone as an example, and the structure and principle design to the waterproof countermeasure set carry out specifically Bright, certainly, the concrete application object of the waterproof countermeasure set can be plate or be some other field such as industry with electricity The electronic equipment of appearance formula touch screen.
In the present embodiment, the packing material selection dimethicone and fumed silica thixotropic agent are uniformly mixed Transparent filling material with high thixotropic, PC frame depth 5mm, clear glass substrate thickness 0.5mm, transparent TPU Thin Elastic Film thickness 0.1mm；
Dianegative bonds rigid border one end, and above-mentioned transparent filling material is filled in dianegative and rigid border group At slot in, TPU elastic film is bonded in the rigid border other side, the packing material be sealed in bottom plate, rigid border and In the enclosure space that film is surrounded.Using when above-mentioned apparatus dianegative be close proximity to capacitance touch screen surfaces, tied up with elasticity Band is fixed at outer frame of mobile phone (or the other modes such as marine glue fixation), and the equipment of rigid outline border and capacitance touch screen is tied up It is fixed, in order to use under water, after also the component after binding being put into a thickness of air is discharged in 0.1mm transparent flexible waterproof jacket Sealing, which, which can be used for projected capacitive touch screen surface of the distance of reaction more than or equal to 0.7mm, has under the situation of water.
Embodiment two selects insulation silicon gel as packing material, just unlike the first embodiment, in this implementation Property frame use aluminum alloy material, depth 3mm, dianegative use polycarbonate, thickness 0.6mm, transparent TPEE elastic film Thickness 0.05mm；
Dianegative bonding rigid border is closed at one end, and silicon gel is filled in dianegative and rigid border forms Slot in, TPEE elastic film is pressed on the aluminum alloy frame other end with an aluminium alloy pressing ring, is screwed sealing, it is described Packing material is sealed in the enclosure space that bottom plate, rigid border and film are surrounded.Using when above-mentioned apparatus clear bottom Plate is close proximity to capacitance touch screen surfaces, is fixed at the outline border of mobile phone or electronic equipment with elastic bands or other modes, will be outer The apparatus bound of frame and capacitance touch screen.In order to use under water, the component after binding can be also put into transparent with a thickness of 0.1mm It is sealed after air is discharged in soft waterproof jacket.The device can be used for projected capacitive of the distance of reaction more than or equal to 0.75mm and touch Screen surfaces have under the situation of water.
Embodiment three is added in this implementation using 3 parts of transparent PVC resins and 7 parts of DOP plasticizer as different from Example 2 Thermal agitation is uniformly mixed, and forms PVC elastic resin as packing material, aluminum alloy frame depth 3mm, clear glass substrate thickness 0.6mm, transparent TPU elastic film thickness 0.03mm；
Bottom plate bonding frame is closed at one end, and PVC elastic resin liquid is filled in dianegative and rigid border group while hot At slot in, after cooling, TPU elastic film is pressed on the aluminum alloy frame other end with an aluminium alloy pressing ring, is screwed Sealing, the packing material are sealed in the enclosure space that bottom plate, rigid border and film are surrounded.Using when above-mentioned apparatus Dianegative be close proximity to capacitance touch screen surfaces, be fixed at outline border with elastic bands, by setting for outline border and capacitance touch screen Standby binding.Component after binding is put into a thickness of being sealed after discharge air in 0.2mm transparent flexible waterproof jacket.The device is available Have under the situation of water in projected capacitive touch screen surface of the distance of reaction more than or equal to 0.83mm.
In addition, for convenience on the touchscreen by waterproof countermeasure set installation, being additionally provided in the lateral edge of rigid border Outer handle 6.
Rigid border, the matching design of elastic film and dianegative, and its enclosure space for surrounding are used in this programme The packing material of middle filling particular requirement, can be by water segregation except the distance of reaction of capacitance touch screen, water pair when preventing from touching Capacitance touch screen generates interference: because filling up filling material in the confined space that elastic film, rigid border, dianegative are surrounded Material, so inside will not condense fog even if external temperature rapid drawdown or difference variation are larger, is still maintained without air It is bright, it does not influence to use；
In addition, used packing material is the incompressible fluid or elastomer of insulation, by packing material in this programme It is limited to thixotropic liquid or gel, on the one hand guarantees the naturally smooth effect in surface when without operation；On the other hand, when finger or Conductor presses elastic film, and packing material herein will be ostracised to surrounding, and make around to generate protrusion, thus recess area compared with Small, being influenced by water also can be smaller, has higher sensitivity；
Moreover, the waterproof countermeasure set that this programme is proposed is latter with loading waterproof touch screen and protective device binding Bag excludes additional air, can also effectively operate projected capacitive touch screen under water, because institute's packing material is that can not press The variation of contracting, easily-deformable, transparent, insulation, not stream material, external water pressure or air pressure will not be such that packing material volume becomes Change, influence operation will not be touched.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. It imitates embodiment and is applied to other fields, but without departing from the technical solutions of the present invention, according to the technical essence of the invention Any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the protection scope of technical solution of the present invention.

Claims (9)

1. a kind of capacitive touch screen waterproof countermeasure set, when application, is close to the setting of capacitance touch screen surfaces, and feature exists In, the two sides of rigid border are arranged in including rigid border, dianegative and elastic film, dianegative and elastic film, and An enclosure space is formed with rigid border, insulation, transparent, incompressible, easily-deformable and do not flow is provided in the enclosure space Dynamic packing material；
The elastic film is a flat surface in its natural state, elastic film with a thickness of L1；The packing material uses thixotroping Property liquid or elastomeric polymer, packing material with a thickness of L2；The dianegative uses rigid, the thickness of dianegative For L3, if the maximum distance of reaction of capacitive touch screen is d, then L1 < d, L2 < d, L3 < d；When in without operation under natural conditions, L1+L2+L3>d；When operative, the distance between press points B and capacitive touch screen D < d.
2. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the packing material by Dimethicone and fumed silica thixotropic agent are uniformly mixed.
3. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the packing material is Silicon gel.
4. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the packing material is PVC elastic resin.
5. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the rigid border is PC material or aluminum alloy material.
6. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the dianegative is Glass material or polycarbonate.
7. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the elastic film is Transparent TPU material or transparent TPEE material.
8. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the packing material With a thickness of 1mm-10mm, dianegative with a thickness of 0.2mm-0.6mm, elastic film with a thickness of 0.03mm-0.3mm.
9. capacitive touch screen according to claim 1 waterproof countermeasure set, it is characterised in that: the elastic film packet It is wrapped on the outside of dianegative and rigid border, packing material is filled in the space that elastic film is surrounded.
CN201910821651.XA 2019-09-02 2019-09-02 A kind of capacitive touch screen waterproof countermeasure set Withdrawn CN110362236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910821651.XA CN110362236A (en) 2019-09-02 2019-09-02 A kind of capacitive touch screen waterproof countermeasure set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910821651.XA CN110362236A (en) 2019-09-02 2019-09-02 A kind of capacitive touch screen waterproof countermeasure set

Publications (1)

Publication Number Publication Date
CN110362236A true CN110362236A (en) 2019-10-22

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CN201910821651.XA Withdrawn CN110362236A (en) 2019-09-02 2019-09-02 A kind of capacitive touch screen waterproof countermeasure set

Country Status (1)

Country Link
CN (1) CN110362236A (en)

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Application publication date: 20191022