CN105868729A - Press button device and terminal - Google Patents
Press button device and terminal Download PDFInfo
- Publication number
- CN105868729A CN105868729A CN201610228324.XA CN201610228324A CN105868729A CN 105868729 A CN105868729 A CN 105868729A CN 201610228324 A CN201610228324 A CN 201610228324A CN 105868729 A CN105868729 A CN 105868729A
- Authority
- CN
- China
- Prior art keywords
- key device
- sensor assembly
- sensor
- support member
- becket
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1329—Protecting the fingerprint sensor against damage caused by the finger
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/96015—Constructional details for touch switches
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
Abstract
The invention relates to the technical field of terminals, and particularly to a press button device and a terminal. The press button device comprises a sensor module and a press button assembly which is arranged at the back surface of the sensor. A metal ring for fixing the sensor module sleeves the sensor module. The metal ring is a waist-circular member. A sensor cover board is arranged in the metal ring and at the front surface of the sensor module. The back surface of the sensor module is also provided with a flexible circuit board which is electrically connected with the sensor module. The flexible circuit board is also provided with a supporting member. The supporting member is provided with at least two supporting legs. The flexible circuit board is arranged between the press button assembly and the supporting member. According to the press button device, the metal ring sleeves the sensor module and the sensor cover board, and in a pressing process, the motion directions of the sensor module and the sensor cover board are limited in the metal ring. Each pressing is limited to a correct pressing point of the press button assembly, and a problem of press button assembly sinking caused by multi-directional pressing on the pressing point of the press button assembly does not easily occur.
Description
Technical field
The present invention relates to field of terminal technology, be specifically related to a kind of key device and terminal.
Background technology
With it, mode of operation and the strongest security performance are more and more applied to intelligence to fingerprint recognition easily
In energy terminal.But owing to intelligent terminal space structure is limited, it is impossible to use optical fingerprint sensor module,
But use the semiconductor fingerprint sensor assembly of small volume, this kind of semiconductor transducer, either electricity
Appearance formula or inductance type, be respectively provided with similar principle, is integrated with thousands of semiconductor devices at one piece
On " flat board ", finger plaster thereon with which constitute the another side of electric capacity (inductance), owing to finger is put down
Face is rough and uneven in surface, the most different with the actual range size contacting flat board at concave point at salient point, the electricity of formation
Appearance/inductance value is also the most different, and the different numerical value collected around this principle is collected, also by equipment
Just complete the collection of fingerprint.
At present, various terminals start setting up the key device of function with fingerprint, but this button fills
Put during long-term pressing uses, owing to fingerprint function module not protected or protecting journey
Spend poor, a certain degree of fingerprint recognition can be caused ineffective, and owing to long-term pressing use makes button
Device inner member stays, so that poor sealing, in stress, the temperature difference is big, and high humidity etc. is bad
In environment, it may appear that identify ineffective, there is also steam and enter phenomenons such as causing short circuit, bring to user
Inconvenience.
Summary of the invention
Embodiments provide a kind of key device and terminal to solve existing function with fingerprint
Key device easily occurs that fingerprint recognition is insensitive and the sealing property brought due to Long-Time Service declines and causes
The problem such as short circuit.
In view of this, first aspect present invention provides a kind of key device, and this key device includes sensor
Module and the button assembly being positioned at the described sensor assembly back side, described sensor assembly overlaps limited location institute
Stating the becket of sensor assembly, becket is oval type, is positioned at described becket and is positioned at described biography
The front of sensor module is provided with sensor cover plate, and the back side of sensor assembly is additionally provided with and sensor assembly electricity
The flexible PCB connected, flexible PCB is additionally provided with support member, and support member is provided with at least two and props up
Spike, flexible PCB is between described button assembly and flexible PCB.
In certain embodiments, support member is silica gel support member, and button assembly includes supporting with described silica gel
The switch that part is inconsistent, silica gel support member is between described switch and described flexible PCB.
In certain embodiments, switching as thin film switch, silica gel support member is provided with contact part, contact part
Inconsistent with thin film switch.
In certain embodiments, described sensor assembly is fingerprint sensor module.
In certain embodiments, described fingerprint sensor module be shaped as kidney ellipsoid, described sender unit cap
Plate is the aluminosilicate glass cover plate of kidney ellipsoid.
In certain embodiments, described flexible PCB includes not less than in described becket radial section
The sensor assembly portion of footpath size and for connecting the connecting portion of mainboard.
In certain embodiments, the junction between described connecting portion and described sensor assembly portion covers
There is electromagnetic shielding film.
In certain embodiments, described connecting portion is additionally provided with the process for driving described sensor assembly
Chip, the end of described connecting portion is additionally provided with connection end.
In certain embodiments, described connecting portion is positioned at described process chip and described connection end and also sets
There is reinforcement steel disc.
Embodiment of the present invention second aspect also provides for a kind of terminal, and this terminal is provided with above-mentioned key device,
The becket of key device is provided with spacing shirt rim portion, and described terminal is provided with joins with described spacing shirt rim portion
Close the spacing hole of fixing described key device.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that the embodiment of the present invention
In, using and sensor cover plate is set on the front of sensor assembly, the back side of sensor arranges flexible electrical
Road plate and button assembly, sensor assembly can effectively be protected by this sensor cover plate, additionally, flexible PCB
Between button assembly and sensor assembly, sensor assembly and sensor cover plate are all enclosed within by becket
The inside of becket so that during pressing, the direction of motion of sensor assembly and sensor cover plate is only limitted to
In becket, every time pressing is respectively positioned on the correct press points of button assembly, be difficult to occur multi-direction pressing by
The press points of key asembly causes the problem that button assembly subsides.
Accompanying drawing explanation
Fig. 1 is the exploded view of the key device of the embodiment of the present invention；
Fig. 2 is the structural representation of the key device of the embodiment of the present invention；
Fig. 3 is the A-A face sectional view of Fig. 2；
Fig. 4 is an enforcement illustration of the key device of the embodiment of the present invention.
In accompanying drawing, each parts are as follows:
1, key device, 11, sensor assembly, 12, becket, 121, spacing group's edge, 13,
Sensor cover plate, 14, flexible PCB, 141, sensor assembly portion, 142, connecting portion, 15,
Support member, 151, spike, 152, contact part, 16, adhesive linkage, 17, process chip, 18, reinforcement
Steel disc, 19, electromagnetic shielding film.
Detailed description of the invention
Embodiments provide a kind of key device and terminal, it is possible to solve existing merit with fingerprint
The key device of energy easily occurs fingerprint recognition sealing property decline that is insensitive and that bring due to Long-Time Service
The problems such as the short circuit caused.
In order to make those skilled in the art be more fully understood that the present invention program, real below in conjunction with the present invention
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present invention be clearly and completely described, it is clear that
Described embodiment is only the embodiment of a present invention part rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, all should belong to the scope of protection of the invention.
It is described in detail individually below.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", "
Three " (if present) such as " the 4th " is for distinguishing similar object, specific without being used for describing
Order or precedence.Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to this
In describe embodiment can with in addition to the content except here illustrating or describe order implement.
Referring to the exploded view that Fig. 1 to Fig. 3, Fig. 1 are key devices of the present invention, Fig. 2 is that the present invention implements
The structural representation of the key device of example, Fig. 3 is the A-A face sectional view of Fig. 2, and this key device 1 wraps
Include sensor assembly 11 and be positioned at the button assembly at the described sensor assembly back side, on described sensor assembly
The becket 12 of sensor assembly described in set limited location, becket is oval type, is positioned at described becket
And the front being positioned at described sensor assembly is provided with sensor cover plate 13, the back side of sensor assembly is additionally provided with
The flexible PCB 14 electrically connected with sensor assembly, flexible PCB is additionally provided with support member 15, supports
Part is provided with at least two and props up spike 151, flexible PCB be positioned at described button assembly and flexible PCB it
Between.
Sensor cover plate is set on the front of sensor assembly it can be seen that use, the back side of sensor
Arranging flexible PCB and button assembly, this sensor cover plate can effectively protect sensor assembly, additionally,
Flexible PCB is between button assembly and sensor assembly, and becket is by sensor assembly and sensor
Cover plate is all enclosed within the inside of becket so that sensor assembly and the motion of sensor cover plate during pressing
Direction is only limitted in becket, and pressing is respectively positioned on the correct press points of button assembly every time, is difficult to appearance many
The press points of direction pressing keys assembly causes the problem that button assembly subsides.If additionally, sensor assembly
When being fingerprint sensor, relative to circular or the fingerprint sensor of rectangle, the becket of kidney ellipsoid makes
If the contacts contact face of the most supporting kidney ellipsoid fingerprint sensor is long-pending bigger, thus is easier to fingerprint
It is identified, improves fingerprint recognition efficiency.
It should be noted that actual being shaped like with standard toroidal runway of kidney ellipsoid, be two parallel
The equal line segment of length, use inside circular sliding slopes, and arc towards two in same one end of two lines section
Between bar line segment, what thus two sections of symmetrical arcs and two parallel and isometric line segments were constituted is shaped as this
Kidney ellipsoid in inventive embodiments.
Optionally, described sensor assembly is fingerprint sensor module.
Optionally, support member is silica gel support member, and button assembly includes inconsistent with described silica gel support member
Switch, silica gel support member is between described switch and described flexible PCB.
It is understood that silica gel support member is a kind of restorative preferable support member, long-term pressing is the most not
There will be the situation of deformation, by inconsistent with switch for this support member so that during pressing fingerprint sensor module,
This support member of pressing can be driven, and then drive switch, complete keypress function, when unclamping, due to switch
Dual recovery deformation with support member so that fingerprint sensor module does not haves as pressing component yet and collapses
Situation about falling into.
Wherein, silica gel support member is connected with flexible PCB by adhesive linkage 16.This adhesive linkage can be
The glue-lines such as double faced adhesive tape.
Optionally, described switch is thin film switch, and described silica gel support member is provided with contact part 152, described
Contact part is inconsistent with described thin film switch.
It is understood that thin film switch has thin characteristic and stronger button resilience, it is possible to
Adapt in the most frivolous terminal device, by this thin film switch and setting on silica gel support member
Contact part is inconsistent so that just can press thin film switch during key press, reduce due to
Not ineffective to the button the caused situation of pressing position or pressing direction, and inconsistent structure also can
The thickness enough making whole key device is less.
Optionally, described fingerprint sensor module be shaped as kidney ellipsoid, described sensor cover plate is oval
The aluminosilicate glass cover plate of shape.
It is understood that the fingerprint sensor module of kidney ellipsoid is compared to push types such as circle and rectangles
For fingerprint sensor, owing to identifying that area is bigger, it is possible to gather the finger print information of more user, from
And can the most accurately and quickly identify the fingerprint of user, improve fingerprint recognition efficiency.
Optionally, flexible PCB includes the sensing of the internal diameter size not less than described becket radial section
Device module section 141 and for connecting the connecting portion 142 of mainboard.
It is understood that flexible PCB is arranged to the internal diameter size not less than becket radial section,
I.e. kidney ellipsoid cross-sectional sizes is to prevent flexible PCB from occurring position during key device is pressed
Move, and occur that displacement likely results in the fingerprint sensor module connected on it and the problem of loose contact occurs,
And it is likely to so that asking of loose contact occurs in the end that connects being connected to mainboard on this flexible PCB
Topic.
Optionally, refer to the enforcement illustration that Fig. 4, Fig. 4 are the key devices of the embodiment of the present invention,
Wherein, the junction between described connecting portion and described sensor assembly portion is coated with electromagnetic shielding film 19.
It is understood that for sensor assembly, the fingerprint signal of collection can be identified as
Correct finger print information need to rely on validity and the correctness of fingerprint signal, due to fingerprint sensor mould
Again or display screen winding displacement etc. has letter near interference typically to arrange charging inlet or data-interface at block
Number circuit, additionally, fingerprint signal itself falls within interfering signal, therefore, at fingerprint sensor
Arrange electromagnetic shielding film in module can effectively prevent fingerprint signal disturbed or make fingerprint signal disturb it
His signal.
Optionally, described connecting portion is additionally provided with the process chip 17 for driving described sensor assembly,
The end of described connecting portion is additionally provided with connection end.
It is understood that key device needs the mainboard being connected to terminal just can be operated, therefore should
Can arrange a connecting portion on flexible sensor, this connecting portion is mainly used in connecting the mainboard of terminal, and this is even
The end meeting portion is connection end, may be connected directly to the mainboard of terminal, furthermore, it is contemplated that process chip work
The stability made and the environment of work, be placed in this process chip on connecting portion rather than be arranged at sensor
Module section, sensor assembly portion is due to often pressing, and the flexible PCB in sensor assembly portion there will be shape
Become, and after pressing for a long time, it is easy to cause processing coming off of chip pin, and cause fingerprint sensor
The situation that module cannot work.
Optionally, described connecting portion is positioned at described process chip and described connection end and is additionally provided with reinforcement steel
Sheet 18.
It is understood that when processing on chip setting and connecting portion, it also is contemplated that to flexible circuit
The material of plate is soft, and the pin processing chip needs to be fixed on this flexible PCB, therefore
Loosening in order to prevent, the problem such as loose contact, arranging reinforcement steel disc at reason chip in this place can be right
Strengthen at this, solve to loosen and the problem of loose contact.
Wherein, the corner at meat stuffing circuit board also is provided with reinforcement steel disc.
It is described above the key device of the embodiment of the present invention, employing embodiment of the present invention button is described below
The terminal of device, wherein this terminal includes that Fig. 1 is to the key device of embodiment illustrated in fig. 4, key device
Becket be provided with spacing shirt rim portion 121, described terminal be provided with coordinate with described spacing shirt rim portion fixing
The spacing hole of described key device.
Those skilled in the art is it can be understood that arrive, and for convenience and simplicity of description, above-mentioned retouches
The specific works process of the system stated, device and unit, is referred to the correspondence in preceding method embodiment
Process, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, device and
Method, can realize by another way.Such as, device embodiment described above is only shown
Meaning property, such as, the division of described unit, be only a kind of logic function and divide, actual can when realizing
There to be other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another
System, or some features can ignore, or do not perform.Another point, shown or discussed each other
Coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit
Or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Or can also be distributed on multiple NE.Can select according to the actual needs part therein or
The whole unit of person realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a list
In unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ software function list
The form of unit realizes.
The above, above example only in order to technical scheme to be described, is not intended to limit；
Although being described in detail the present invention with reference to previous embodiment, those of ordinary skill in the art should
Work as understanding: the technical scheme described in foregoing embodiments still can be modified by it, or to it
Middle part technical characteristic carries out equivalent；And these amendments or replacement, do not make appropriate technical solution
Essence depart from various embodiments of the present invention technical scheme spirit and scope.
Claims (10)
1. a key device, it is characterised in that: described key device includes sensor assembly and is positioned at institute
State the button assembly at the sensor assembly back side, described sensor assembly overlaps sensor assembly described in limited location
Becket, described becket is kidney ellipsoid, is positioned at described becket and is positioned at described sensor assembly
Front be provided with sensor cover plate, the back side of described sensor assembly is additionally provided with and electrically connects with sensor assembly
Flexible PCB, described flexible PCB is additionally provided with support member, described support member is provided with at least two
Individual spike, described support member is between described button assembly and flexible PCB.
Key device the most according to claim 1, it is characterised in that: described support member is that silica gel props up
Support member, described button assembly includes the switch inconsistent with described silica gel support member, described silica gel support member
Between described switch and described flexible PCB.
Key device the most according to claim 2, it is characterised in that: described switch is thin film switch,
Described silica gel support member is provided with contact part, and described contact part is inconsistent with described thin film switch.
Key device the most according to claim 1, it is characterised in that: described sensor assembly is for referring to
Line sensor assembly.
Key device the most according to claim 4, it is characterised in that: described fingerprint sensor module
Be shaped as kidney ellipsoid, described sensor cover plate is the aluminosilicate glass cover plate of kidney ellipsoid.
Key device the most according to any one of claim 1 to 5, it is characterised in that: described soft
Property circuit board include the internal diameter size not less than described becket radial section sensor assembly portion and for
Connect the connecting portion of mainboard.
Key device the most according to claim 6, it is characterised in that: described connecting portion and described biography
It is coated with electromagnetic shielding film on junction between sensor module portion.
Key device the most according to claim 7, it is characterised in that: it is additionally provided with on described connecting portion
For driving the process chip of described sensor assembly, the end of described connecting portion is additionally provided with connection end.
Key device the most according to claim 8, it is characterised in that: it is positioned at institute on described connecting portion
State and be additionally provided with reinforcement steel disc at process chip and described connection end.
10. a terminal, it is characterised in that: described terminal is provided with as arbitrary in claim 1 to 9
Key device described in Xiang, the becket of described key device is provided with spacing shirt rim portion, in described terminal
It is provided with the spacing hole coordinating fixing described key device with described spacing shirt rim portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228324.XA CN105868729A (en) | 2016-04-12 | 2016-04-12 | Press button device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228324.XA CN105868729A (en) | 2016-04-12 | 2016-04-12 | Press button device and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105868729A true CN105868729A (en) | 2016-08-17 |
Family
ID=56636739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610228324.XA Pending CN105868729A (en) | 2016-04-12 | 2016-04-12 | Press button device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105868729A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068606A1 (en) * | 2016-10-12 | 2018-04-19 | 深圳信炜科技有限公司 | Button assembly and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100300862A1 (en) * | 2009-05-28 | 2010-12-02 | Semiconductor Energy Laboratories, Co., Ltd. | Touch Panel |
| CN104900439A (en) * | 2015-06-01 | 2015-09-09 | 魅族科技（中国）有限公司 | Button device and terminal equipped with same |
| CN204791054U (en) * | 2015-06-30 | 2015-11-18 | 宇龙计算机通信科技(深圳)有限公司 | Terminal |
| CN105373778A (en) * | 2015-11-02 | 2016-03-02 | 魅族科技（中国）有限公司 | Fingerprint module and terminal |
-
2016
- 2016-04-12 CN CN201610228324.XA patent/CN105868729A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100300862A1 (en) * | 2009-05-28 | 2010-12-02 | Semiconductor Energy Laboratories, Co., Ltd. | Touch Panel |
| CN104900439A (en) * | 2015-06-01 | 2015-09-09 | 魅族科技（中国）有限公司 | Button device and terminal equipped with same |
| CN204791054U (en) * | 2015-06-30 | 2015-11-18 | 宇龙计算机通信科技(深圳)有限公司 | Terminal |
| CN105373778A (en) * | 2015-11-02 | 2016-03-02 | 魅族科技（中国）有限公司 | Fingerprint module and terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068606A1 (en) * | 2016-10-12 | 2018-04-19 | 深圳信炜科技有限公司 | Button assembly and electronic device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20160817 |