CN106648208A - Pressure sensing device and pressure sensing mechanism - Google Patents
Pressure sensing device and pressure sensing mechanism Download PDFInfo
- Publication number
- CN106648208A CN106648208A CN201610895881.7A CN201610895881A CN106648208A CN 106648208 A CN106648208 A CN 106648208A CN 201610895881 A CN201610895881 A CN 201610895881A CN 106648208 A CN106648208 A CN 106648208A
- Authority
- CN
- China
- Prior art keywords
- pressure
- sensor device
- pressure sensor
- driving piece
- sensing chip
- 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
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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
- G06F3/0414—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
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a pressure sensing device. The device comprises a driving plate and a sensing plate. A connection part is arranged between the driving plate and the sensing plate, metal electrodes distributed according to a preset pattern are arranged on the driving plate and the sensing plate respectively, one of the driving plate and the sensing plate extends outward and is provided with a golden finger, and the metal electrodes are electronically connected with the golden finger. The driving plate and the sensing plate are folded in half with the connection part as a center, an insulating element is arranged between the driving plate and the sensing plate in a clamped mode. The pressure sensing device has the advantages of being high in capacity of resisting disturbance, high in pressure sensitivity and the like.
Description
Technical field
The present invention relates to capacitive pressure transducer, more particularly to a kind of pressure sensor device and pressure sensitive mechanism.
Background technology
At present, known force-touch sensor or pressure sensor device are divided into two kinds of condenser type and resistance-type, wherein electric capacity
Formula sensor is to apply most pressure sensors on the market.Capacitance type sensor is typically using circular metal thin film or plating metal
Thin film as capacitor an electrode, when thin film is experienced pressure and is deformed, between thin film and fixed electrode formed electric capacity
Amount changes, by measuring circuit be it is exportable with voltage into the signal of telecommunication of certain relation.Capacitance pressure transducer belongs to
Pole span change type capacitance type sensor, can be divided into single-capacitor type pressure transducer and differential capacitance type pressure transducer.But it is existing
There is the most capacitance pressure transducer in technology there are the weakness such as poor anti jamming capability.
The content of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, there is provided a kind of strong antijamming capability, pressure
The high pressure sensor device of sense sensitivity and the pressure sensitive mechanism with the pressure sensor device.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that.
A kind of pressure sensor device, it includes driving piece and sensing chip, the company of being provided between the driving piece and sensing chip
Socket part and it is integrally formed, described driving is respectively equipped with the metal electrode being distributed by predetermined pattern on piece and sensing chip, described
Drive one of piece and sensing chip to be outward extended with golden finger, the metal electrode is electrically connected at golden finger, the driving piece and
Insulating device is folded between sensing chip doubling centered on connecting portion, and the driving piece and sensing chip.
Preferably, described to drive the upper surface of piece to be formed with top layer, the lower surface of the sensing chip is formed with bottom, described
Top layer and bottom are equipped with metal screen layer, and the metal screen layer is grounded.
Preferably, the driving piece, sensing chip and insulating device are circle.
Preferably, the insulating device is the elastic insulated device of high antifatigue.
A kind of pressure sensitive mechanism, it includes substrate, and the substrate is provided with pressure sensor device, and the substrate also sets
There is control chip, the golden finger is electrically connected at control chip, and the control chip is used to gather pressure sensor device output
The signal of telecommunication and be output as pressure sensitivity signal.
Preferably, the pressure sensor device top is provided with pressure-containing parts, and the pressure-containing parts has elasticity.
Preferably, when the pressure-containing parts bears pressure, the pressure sensor device correspondence produces the signal of telecommunication, and utilizing should
The signal of telecommunication judges to act on the force value on pressure-containing parts with the mapping relations of dynamics data.
In pressure sensor device disclosed by the invention, as a result of the electrode being distributed according to predetermined pattern so that pressure
When sensor is depressed, the pressure sensitivity signal of precise information can be produced, while driving piece and the upper and lower both sides metal of sensing chip
In the presence of screen layer so that the capacity of resisting disturbance of pressure sensor device is higher, additionally, present configuration is simple, ingenious, cost
It is cheap, it is adapted to popularization and application in the art, and with preferable market prospect.
Description of the drawings
Fig. 1 is the axonometric chart of pressure sensor device of the present invention.
Fig. 2 is the structure chart after pressure sensor device of the present invention launches.
Fig. 3 is the exploded view of pressure sensor device of the present invention.
Fig. 4 is the axonometric chart of pressure sensitive mechanism of the present invention.
Fig. 5 is the exploded view of pressure sensitive mechanism of the present invention.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples.
The invention discloses a kind of pressure sensor device, with reference to shown in Fig. 1 to Fig. 5, it includes driving piece 1 and sensing chip
2, it is provided with connecting portion 11 between the driving piece 1 and sensing chip 2 and is integrally formed, divide on the driving piece 1 and sensing chip 2
The metal electrode being distributed by predetermined pattern is not provided with, one of the driving piece 1 and sensing chip 2 are outward extended with golden finger 4, described
Metal electrode is electrically connected at golden finger 4, driving piece 1 and sensing chip 2 doubling centered on connecting portion 11, and the driving
Insulating device 3 is folded between piece 1 and sensing chip 2.
Used as a kind of optimal way, the upper surface of the driving piece 1 is formed with top layer 5, the lower surface shape of the sensing chip 2
Into there is bottom 6, the top layer 5 and bottom 6 are equipped with metal screen layer, and the metal screen layer is grounded.
In above-mentioned pressure sensor device 8, as a result of the electrode being distributed according to predetermined pattern so that pressure transducer 8
When depressed, the pressure sensitivity signal of precise information can be produced, while driving piece 1 and the upper and lower both sides metallic shield of sensing chip 2
In the presence of layer so that the capacity of resisting disturbance of pressure sensor device is higher, additionally, present configuration is simple, ingenious, low cost
It is honest and clean, it is adapted to popularization and application in the art, and with preferable market prospect.
In the present embodiment, the driving piece 1, sensing chip 2 and insulating device 3 are circle.
Further, the insulating device 3 is the elastic insulated device of high antifatigue.
Above-mentioned pressure sensor device 8 when mounted, wherein one side as pressure stress surface, to mechanism in mounting structure
The sensed pressure for being applied can be conducted to the wherein one side of pressure transducer, and in addition one side need to keep quiet relative to mechanism
Only.When there is tested measuring pressure to be applied to mechanism, the one side in pressure sensor device 8 is squeezed, and is positioned over pressure sensing dress
Put the insulating device 3 in the middle of 8 and be forced compression, while the relative mechanism's remains stationary of the other one side of pressure sensor device 8, pressure sensing
The inductive layer and driving layer relative distance of device 8 reduces, and the capacitance in turn resulting in two pole plates of the sensor becomes big, produced
The signal of telecommunication pressure signal is reported into master control through the computing of pressure sensitive IC.
Invention additionally discloses a kind of pressure sensitive mechanism, with reference to shown in Fig. 4 and Fig. 5, it includes substrate 10, the substrate
10 are provided with pressure sensor device 8, and the substrate 10 is additionally provided with control chip 9, and the golden finger 4 is electrically connected at control chip
9, the control chip 9 is used to gather the signal of telecommunication of the output of pressure sensor device 8 and be output as pressure sensitivity signal.
In the present embodiment, the top of the pressure sensor device 8 is provided with pressure-containing parts 7, and the pressure-containing parts 7 has elasticity.
In practical application, when the pressure-containing parts 7 bears pressure, the correspondence of the pressure sensor device 8 produces the signal of telecommunication,
Judge to act on the force value on pressure-containing parts 7 using the mapping relations of the signal of telecommunication and dynamics data.
Above-mentioned pressure sensitive mechanism is a kind of sensing mechanism of energy sensed pressure size, is applicable to intelligent watch, intelligence
The field such as the terminals such as mobile phone, panel computer and smart home.
The above is preferred embodiments of the present invention, is not limited to the present invention, all technology models in the present invention
Interior done modification, equivalent or improvement etc. are enclosed, be should be included in the range of of the invention protection.
Claims (7)
1. a kind of pressure sensor device, it is characterised in that driving piece and sensing chip are included, between the driving piece and sensing chip
Be provided with connecting portion, be respectively equipped with the driving piece and sensing chip by predetermined pattern be distributed metal electrode, the driving piece and
One of sensing chip is outward extended with golden finger, and the metal electrode is electrically connected at golden finger, the driving piece and sensing chip with
Insulating device is folded between doubling centered on connecting portion, and the driving piece and sensing chip.
2. pressure sensor device as claimed in claim 1, it is characterised in that the upper surface of the driving piece is formed with top layer,
The lower surface of the sensing chip is formed with bottom, and the top layer and bottom are equipped with metal screen layer, and the metal screen layer
Ground connection.
3. pressure sensor device as claimed in claim 1, it is characterised in that the driving piece, sensing chip and insulating device are equal
For circle.
4. pressure sensor device as claimed in claim 1, it is characterised in that the insulating device is the elasticity of high antifatigue
Insulating device.
5. a kind of pressure sensitive mechanism, it is characterised in that include substrate, the substrate is provided with any one of Claims 1-4
Described pressure sensor device, the substrate is additionally provided with control chip, and the golden finger is electrically connected at control chip, the control
Coremaking piece is used to gather the signal of telecommunication of pressure sensor device output and be output as pressure sensitivity signal.
6. pressure sensitive mechanism as claimed in claim 5, it is characterised in that the pressure sensor device top is provided with compression zone
Part, the pressure-containing parts has elasticity.
7. pressure sensitive mechanism as claimed in claim 6, it is characterised in that described when the pressure-containing parts bears pressure
Pressure sensor device correspondence produces the signal of telecommunication, judges to act on pressure-containing parts using the mapping relations of the signal of telecommunication and dynamics data
On force value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895881.7A CN106648208A (en) | 2016-10-13 | 2016-10-13 | Pressure sensing device and pressure sensing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895881.7A CN106648208A (en) | 2016-10-13 | 2016-10-13 | Pressure sensing device and pressure sensing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106648208A true CN106648208A (en) | 2017-05-10 |
Family
ID=58855399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895881.7A Pending CN106648208A (en) | 2016-10-13 | 2016-10-13 | Pressure sensing device and pressure sensing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106648208A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507363A (en) * | 2019-09-12 | 2019-11-29 | 飞依诺科技(苏州)有限公司 | Ultrasonic intelligent scanning equipment and ultrasonic wearable device with it |
| CN113733627A (en) * | 2021-08-13 | 2021-12-03 | 立讯电子科技（昆山）有限公司 | Self-adaptive pressure maintaining mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238855A (en) * | 1996-10-07 | 1999-12-15 | 麦斯韦尔技术股份有限公司 | Multi-electrode double layer capactor |
| CN101614604A (en) * | 2009-07-14 | 2009-12-30 | 西北工业大学 | Based on silicon resonance type pressure transducer of synovial membrane difference structure and preparation method thereof |
| CN105092114A (en) * | 2015-04-28 | 2015-11-25 | 深圳市豪恩声学股份有限公司 | Pressure sensor, intelligent shoe pad, intelligent shoe, and manufacturing method of pressure sensor |
| CN204990247U (en) * | 2015-10-10 | 2016-01-20 | 江西合力泰科技有限公司 | Touch panel with forced induction function |
-
2016
- 2016-10-13 CN CN201610895881.7A patent/CN106648208A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238855A (en) * | 1996-10-07 | 1999-12-15 | 麦斯韦尔技术股份有限公司 | Multi-electrode double layer capactor |
| CN101614604A (en) * | 2009-07-14 | 2009-12-30 | 西北工业大学 | Based on silicon resonance type pressure transducer of synovial membrane difference structure and preparation method thereof |
| CN105092114A (en) * | 2015-04-28 | 2015-11-25 | 深圳市豪恩声学股份有限公司 | Pressure sensor, intelligent shoe pad, intelligent shoe, and manufacturing method of pressure sensor |
| CN204990247U (en) * | 2015-10-10 | 2016-01-20 | 江西合力泰科技有限公司 | Touch panel with forced induction function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507363A (en) * | 2019-09-12 | 2019-11-29 | 飞依诺科技(苏州)有限公司 | Ultrasonic intelligent scanning equipment and ultrasonic wearable device with it |
| CN110507363B (en) * | 2019-09-12 | 2020-10-09 | 飞依诺科技(苏州)有限公司 | Ultrasonic intelligent scanning device and ultrasonic wearable equipment with same |
| CN113733627A (en) * | 2021-08-13 | 2021-12-03 | 立讯电子科技（昆山）有限公司 | Self-adaptive pressure maintaining mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |