CN106339131A - Capacitor-type forced induction mechanism - Google Patents
Capacitor-type forced induction mechanism Download PDFInfo
- Publication number
- CN106339131A CN106339131A CN201610890665.3A CN201610890665A CN106339131A CN 106339131 A CN106339131 A CN 106339131A CN 201610890665 A CN201610890665 A CN 201610890665A CN 106339131 A CN106339131 A CN 106339131A
- Authority
- CN
- China
- Prior art keywords
- induction
- electrode
- cover plate
- capacitance type
- induction mechanism
- 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.)
- Pending
Links
- 230000006698 induction Effects 0.000 title claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000010408 film Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- 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 invention discloses a capacitor-type forced induction mechanism which comprises a cover plate, an induction film and a metal sheet which are sequentially stacked from top to bottom, wherein the metal sheet is grounded; a golden finger is educed out from the induction film which is provided with induction electrodes distributed in a preset pattern; the induction electrodes are arranged on one side, facing towards the cover plate, of the induction film and electrically connected with the golden finger; and when the cover plate is pressed, capacitance between the induction electrodes and the metal sheet changes, so that the golden finger output corresponding electrical signals. The capacitor-type forced induction mechanism has the beneficial effects of high induction sensitivity, simple structure, low cost and the like.
Description
Technical field
The present invention relates to pressure inductor, more particularly, to a kind of capacitance type pressure induction mechanism.
Background technology
At present, known force-touch sensor or pressure sensor device are divided into condenser type and two kinds of resistance-type, wherein electric capacity
Formula induction apparatuss are to apply most pressure sensitivity devices on the market.Intelligent terminal is mainly fitted in one with assembly in membrane form
Rise, when the compressing that assembly is subject to power can wear the certain deformation of generation, thus the electric capacity affecting between membranaceous induction apparatuss and ground changes
Become.Just the pressure that screen body is subject to can be surveyed with reverse push when detecting the direct-to-ground capacitance of this induction apparatus.But, existing pressure sensitive
Device is single due to the electrode lay-out on sense film, so the sensitivity of induction apparatuss can be affected.
Content of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, provides a kind of induction sensitivity height, knot
Structure is simple, the capacitance type pressure induction mechanism of low cost.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that.
A kind of capacitance type pressure induction mechanism, it includes the cover plate from top to bottom stacking gradually, sensor film and metal
Piece, described sheet metal is used for being grounded, and described sensor film leads to golden finger, and described sensor film is provided with and divides by predetermined pattern
The induction electrode of cloth, described induction electrode located at sensor film towards cover plate side, and described induction electrode is electrically connected at
Golden finger, during by cover clamp, the electric capacity between described induction electrode and sheet metal changes, to make golden finger output corresponding
The signal of telecommunication.
Preferably, described sheet metal is steel disc.
Preferably, described induction electrode includes parallel arrangement of first electrode and second electrode, and described first electrode is drawn
Go out to have multiple first branches, described second electrode leads to multiple second branches, described first branch and staggered point of the second branch
Cloth.
Preferably, multiple first branches are parallel to each other, and multiple second branches are parallel to each other.
Preferably, described cover plate is lcd screen.
In capacitance type pressure induction mechanism disclosed by the invention, due to being provided with sensor film by predetermined pattern distribution
Induction electrode, so, when by cover clamp, the electric capacity between the pressing area of described induction electrode and sheet metal changes, and leads to
The signal of telecommunication crossing golden finger output accurately counter can release pressing position and pressing dynamics, thus substantially increasing pressure sensitive machine
The sensitivity of structure, meanwhile, present configuration is simple, be easily achieved, and has relatively low product cost.
Brief description
Fig. 1 is the axonometric chart of capacitance type pressure induction mechanism of the present invention.
Fig. 2 is the exploded view of capacitance type pressure induction mechanism of the present invention.
Fig. 3 is the structure chart of sensor film.
Fig. 4 is the enlarged drawing of a part in Fig. 3.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in more detail.
The invention discloses a kind of capacitance type pressure induction mechanism, in conjunction with shown in Fig. 1 to Fig. 4, it includes from top to bottom
Cover plate 7, sensor film 2 and the sheet metal 8 stacking gradually, described sheet metal 8 is used for being grounded, and described sensor film 2 leads to gold
Finger 1, described sensor film 2 is provided with the induction electrode 3 by predetermined pattern distribution, and described induction electrode 3 is located at sensor film 2
Towards the side of cover plate 7, and described induction electrode 3 is electrically connected at golden finger 1, during by cover clamp 7, described induction electrode 3 with
Electric capacity between sheet metal 8 changes, to make golden finger 1 export the corresponding signal of telecommunication.
In above-mentioned capacitance type pressure induction mechanism, due to the faradism by predetermined pattern distribution being provided with sensor film 2
Pole 3, so, when by cover clamp 7, the electric capacity between the pressing area of described induction electrode 3 and sheet metal 8 changes, and passes through
The signal of telecommunication of golden finger 1 output accurately counter can release pressing position and pressing dynamics, thus substantially increasing pressure sensitive machine
The sensitivity of structure, meanwhile, present configuration is simple, be easily achieved, and has relatively low product cost.
In the present embodiment, described sheet metal 8 is steel disc.Described cover plate 7 is lcd screen.But this be only the present invention preferably
Embodiment, is not limited to the present invention, and in other embodiments of the invention, described sheet metal 8 can be other materials, institute
Stating cover plate 7 can also be other pressing structures.Further, described cover plate 7, sensor film 2 and sheet metal 8 are rectangle.
As a kind of optimal way, described induction electrode 3 includes parallel arrangement of first electrode 4 and second electrode 5, institute
State first electrode 4 and lead to multiple first branches 40, described second electrode 5 leads to multiple second branches 50, described first point
Branch 40 and the second branch 50 are interspersed.Further, multiple first branches 40 are parallel to each other, and multiple second branches 50 are mutually flat
OK.First electrode 4 and second electrode 5 are made " e " shape by said structure, by two " e " shape electrodes relatively intersecting it is achieved that
The array distribution of sensor film 2 Top electrode, thus improve the sensitivity of capacitance type pressure induction mechanism further.Practical application
In, multigroup first electrode 4 and second electrode 5 can be adopted, to be covered with sensor film 2.
Between first electrode 4 and second electrode 5, spacing preferentially adopts 0.3mm
First branch 40 and the second branch 50 spacing preferentially adopt 2.2mm
Reaction diaphragm 2 is long: 122.75mm, wide: 56.8mm, thickness is the thinnest: 0.07mm
Steel plate thickness is: 0.3mm
In capacitance type pressure induction mechanism disclosed by the invention, it is applied to cover plate 7 or other cover plates etc when there being pressure
Surface on when it may occur that faint deformation, pressure can be will ultimately result in because of the deformation of the pressure sensitive device thin film under it simultaneously
There is faint change, consequent induced signal in the spacing between the driving induction channels on power sensor film and ground connection steel disc
Also can change, when this change is perceived by ic and reports master control just can smooth sensed pressure signal.
The above is preferred embodiments of the present invention, is not limited to the present invention, all technology models in the present invention
Enclose interior done modification, equivalent or improvement etc., should be included in the range of the present invention protected.
Claims (5)
1. a kind of capacitance type pressure induction mechanism is it is characterised in that include the cover plate (7) from top to bottom stacking gradually, sensing
Thin film (2) and sheet metal (8), described sheet metal (8) is used for being grounded, and described sensor film (2) leads to golden finger (1), described
Sensor film (2) is provided with the induction electrode (3) by predetermined pattern distribution, and described induction electrode (3) is located at sensor film (2) court
To the side of cover plate (7), and described induction electrode (3) is electrically connected at golden finger (1), during by cover clamp (7), described faradism
Electric capacity between pole (3) and sheet metal (8) changes, to make golden finger (1) export the corresponding signal of telecommunication.
2. capacitance type pressure induction mechanism as claimed in claim 1 is it is characterised in that described sheet metal (8) is steel disc.
3. capacitance type pressure induction mechanism as claimed in claim 1 is it is characterised in that described induction electrode (3) includes simultaneously
The first electrode (4) of row setting and second electrode (5), described first electrode (4) leads to multiple first branches (40), and described the
Two electrodes (5) lead to multiple second branches (50), and described first branch (40) and the second branch (50) are interspersed.
4. capacitance type pressure induction mechanism as claimed in claim 1 is it is characterised in that multiple first branch (40) is mutually flat
OK, multiple second branches (50) are parallel to each other.
5. capacitance type pressure induction mechanism as claimed in claim 1 is it is characterised in that described cover plate (7) is lcd screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890665.3A CN106339131A (en) | 2016-10-11 | 2016-10-11 | Capacitor-type forced induction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890665.3A CN106339131A (en) | 2016-10-11 | 2016-10-11 | Capacitor-type forced induction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106339131A true CN106339131A (en) | 2017-01-18 |
Family
ID=57839311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610890665.3A Pending CN106339131A (en) | 2016-10-11 | 2016-10-11 | Capacitor-type forced induction mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106339131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888990A (en) * | 2019-03-20 | 2019-06-14 | 中广核核电运营有限公司 | A kind of pressure-sensitive anticollision device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105117055A (en) * | 2015-08-14 | 2015-12-02 | 宸鸿科技(厦门)有限公司 | Touch pressed type three-dimensional signal input device, application method and multi-functional touch control panel |
| CN205139885U (en) * | 2015-12-01 | 2016-04-06 | 信利光电股份有限公司 | Capacitive touch screen and cell -phone |
| CN205230007U (en) * | 2015-12-09 | 2016-05-11 | 南昌欧菲光科技有限公司 | Touch display device |
| CN205540655U (en) * | 2016-03-24 | 2016-08-31 | 南昌欧菲光科技有限公司 | Touch screen and touch display device |
-
2016
- 2016-10-11 CN CN201610890665.3A patent/CN106339131A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105117055A (en) * | 2015-08-14 | 2015-12-02 | 宸鸿科技(厦门)有限公司 | Touch pressed type three-dimensional signal input device, application method and multi-functional touch control panel |
| CN205139885U (en) * | 2015-12-01 | 2016-04-06 | 信利光电股份有限公司 | Capacitive touch screen and cell -phone |
| CN205230007U (en) * | 2015-12-09 | 2016-05-11 | 南昌欧菲光科技有限公司 | Touch display device |
| CN205540655U (en) * | 2016-03-24 | 2016-08-31 | 南昌欧菲光科技有限公司 | Touch screen and touch display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888990A (en) * | 2019-03-20 | 2019-06-14 | 中广核核电运营有限公司 | A kind of pressure-sensitive anticollision device |
| CN109888990B (en) * | 2019-03-20 | 2020-07-03 | 中广核核电运营有限公司 | Pressure-sensitive anti-collision device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170118 |
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| WD01 | Invention patent application deemed withdrawn after publication |