CN205845771U - Key device - Google Patents

Abstract

The open a kind of key device of this utility model, including flexible circuit board and sensor, described sensor is arranged on described flexible circuit board and electrically connects with described flexible circuit board.Described key device also includes the first gripper shoe arranged with described flexible circuit board stacking, and described sensor and described first gripper shoe lay respectively at the both sides of described flexible circuit board.In key device of the present utility model, the first gripper shoe is set and supports sensor and flexible circuit board, make sensor and flexible circuit board more firmly be supported；And sensor and flexible circuit board are integrated in the first gripper shoe, simplify structure.

Description

Key device

Technical field

This utility model relates to button technical field, particularly relates to a kind of key device.

Background technology

Existing terminal, such as mobile phone, commonly used such as the mechanical key of navigation key, volume key etc..Along with technology develops, Occur that touch key-press, i.e. user have only to touch ad-hoc location and i.e. can realize some operation.But touch key-press often goes out The situation of existing false touch, mechanical key can not realize again the relatively flexible function of touch-control, the two each own certain defect.

Utility model content

The technical problems to be solved in the utility model is, it is provided that the key device of a kind of improvement.

This utility model solves its technical problem and be the technical scheme is that a kind of key device, including flexible circuit Plate and sensor, described sensor is arranged on described flexible circuit board and electrically connects with described flexible circuit board.Described button Device also includes the first gripper shoe arranged with described flexible circuit board stacking, and described sensor is with described first gripper shoe respectively It is positioned at the both sides of described flexible circuit board.

Preferably, described flexible circuit board also include extension, described extension be used for electrically connecting other outer members or Circuit, described first gripper shoe is jagged at described extension, and described indentation, there has sealing or the second gripper shoe.

Preferably, described flexible circuit board is linked into an integrated entity by colloid with described first gripper shoe.

Preferably, described extension includes the device area being provided with electronic component, described device area be provided with for Support the stiffening plate of electronic component.

Preferably, described key device also includes a switch, can pressure experienced be conducted when described sensor is pressed To described switch, described switch being triggered, described extension includes the extension area bending region and being connected with bending region Territory, described switch is arranged on described elongated area, and described first gripper shoe and described switch lay respectively at described elongated area Both sides.

Preferably, described elongated area includes being electrically connected with contact portion, when described key device is pressed, and described switch and institute State be electrically connected with contact portion contact thus be triggered and produce a switching signal.

Preferably, described switch is metal dome, and described metal dome is fixed on described elongated area by colloid or solder.

Preferably, described switch is touch-switch, it include metal clips, peripheral contacts, central contact, the first pin and Second pin, the cross section of described metal clips is domed, and the edge of described metal clips contacts with described peripheral contacts, described Metal clips is used for deforming upon when pressed and contacting with described central contact, described peripheral contacts and described first pin Electrical connection, described central contact electrically connects with described second pin, and described elongated area also includes corresponding described first pin First binding portion, the second binding portion of corresponding described second pin, described first pin is fixed on by conductive rubber or solder In described first binding portion, described second pin is fixed on described switch in described second binding portion by conductive rubber or solder Including pin, described elongated area also includes the binding portion of corresponding described pin, and described pin is fixed on by colloid or solder In described binding portion.

Preferably, described sensor includes at least one of: fingerprint sensor, touch sensing, blood oxygen transducer and Heart rate sensor.

Preferably, described sensor is cased with a becket.

Preferably, described key device also includes that substrate and dyed layer, described substrate are arranged on described sensor, described Dyed layer is arranged between described substrate and described sensor.

Preferably, described sensor surface is coated with ink layer.

Implementing the beneficial effects of the utility model is: in key device of the present utility model, arranges the first gripper shoe and supports Sensor and flexible circuit board, make sensor and flexible circuit board more firmly be supported；And by sensor and flexible circuit board It is integrated in the first gripper shoe, simplifies structure.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:

The front plan schematic diagram of the key device that Fig. 1 provides for this utility model the first embodiment；

Fig. 2 is the back side plane schematic diagram of key device shown in Fig. 1；

Fig. 3 is the decomposition view of key device shown in Fig. 1；

Fig. 4 is sectional view at the A-A of key device shown in Fig. 1；

The decomposition view of the switch that Fig. 5 provides for this utility model；

Fig. 6 is the top view of the pedestal of switch shown in Fig. 5；

Fig. 7 is the sectional view of switch shown in Fig. 5；

The key device principle schematic that Fig. 8 provides for this utility model；

Fig. 9 is the principle schematic of processor in Fig. 8；

Figure 10 is the Fundamentals of Sensors schematic diagram that this utility model is supplied to；

The touch-control sensing module board front schematic view that Figure 11 provides for this utility model；

The touch-control sensing module board reverse side schematic diagram that Figure 12 provides for this utility model；

The schematic diagram of the touch-control sensing module that Figure 13 provides for this utility model.

Main element symbol description

Key device	200
		Touch control component	10
Sensor	12
		Touch-control sensing module	122
Driver element	12A
		Sensing unit	12B
Analytic unit	12C
		Touch-control judge module	124
Becket	14
		Switch	20
Metal clips	21
		Peripheral contacts	22
Central contact	23
		First pin	24
Second pin	25
		Pedestal	26
Host cavity	261
		Button	27
Lid	28
		Through hole	282
Pad	292
		Sealing member	294
First gripper shoe	32
		Breach	321
Second gripper shoe	323
		Flexible circuit board	36
Main part	362
		Extension	364
Device area	365
		Ground area	366
Bending region	367
		Elongated area	368
It is electrically connected with contact portion	369
		Stiffening plate	37
Chase	38
		Processor	40
First output module	41
		Second output module	42
Select control module	43
		Cover plate	50
Substrate	52
		Dyed layer	54

Following detailed description of the invention will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.

It should be noted that when an assembly is considered as " connection " another assembly, and it can be directly to separately One assembly or may be simultaneously present assembly placed in the middle.When an assembly is considered as " being located at " another assembly, and it can be It is set directly on another assembly or may be simultaneously present assembly placed in the middle.Term as used herein " top ", " upper table Face ", " lower surface ", " lower section ", " peripheral ", " " center " and similar statement are for illustrative purposes only.

Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein The purpose of specific embodiment is described, it is not intended that in limiting this utility model.

Refer to Fig. 1 to Fig. 4, the key device 200 that this utility model one embodiment provides, described key device 200 It is installed in a kind of terminal (not shown).Described terminal can be mobile phone, panel computer, PDA or other electric terminal equipments.Institute State terminal can use but be not limited to use Android system.

Described key device 200 includes touch control component 10, switch 20, flexible circuit board 36 and the first gripper shoe 32.Institute State touch control component 10 and described first gripper shoe 32 is arranged at the opposite sides of described flexible circuit board 36.Described switch 20 sets It is placed on described flexible circuit board 36.

Described flexible circuit board 36 includes main part 362 and the extension 364 being connected with described main part 362.Described master Body 362 is sandwiched between described first gripper shoe 32 and described touch control component 10.Described extension 364 is used for electrically connecting outside other Portion's element or circuit (not shown).Described extension 364 includes bending region 367 and being connected with described bending region 367 Elongated area 368.Described elongated area 368 includes the device area 365 being provided with electronic component, with described device area 365 Spaced ground area 366, and it is electrically connected with contact portion 369.Described ground area 366 is used for realizing electrical ground.

Described device area 365 is additionally provided with the stiffening plate 37 for supporting electronic component.Described stiffening plate 37 passes through glue Body (not shown) is fixed on described device area 365, and described electronic component lays respectively at described extension with described stiffening plate 37 The both sides of the device area 365 in portion 364.Described stiffening plate 37 is steel disc.The most in the shown embodiment (Fig. 1 and Fig. 2), institute Stating the quantity of stiffening plate 37 is two and the respectively first stiffening plate and the second stiffening plate, and wherein the first stiffening plate is arranged at described Extension 364 end of flexible circuit board 36, wherein the second stiffening plate is arranged at the region between described extension 364 two ends.

One chase 38 is electrically connected by conducting resinl (not shown) with described first stiffening plate and fixes, and with described access area Territory 366 electrically connects, so that described first stiffening plate realizes electrical ground.Wherein, described chase 38 is fixed on described access area Territory 366.

Described first gripper shoe 32 is connected in one by colloid with described flexible circuit board 36.Described first gripper shoe 32 It is provided with breach 321 at neighbouring described extension 364.There is at described breach 321 sealing or the second gripper shoe 323, be used for supporting Described touch control component 10.Wherein, described first gripper shoe 32 is steel disc, and described second gripper shoe 323 is PET sheet.

Described touch control component 10 includes sensor 12 and becket 14.Described becket 14 is sheathed on described sensor 12 On.Described sensor 12 is welded on the upper surface of described first gripper shoe 32 by solder.When described sensor 12 is pressed To described switch 20, described switch can be triggered pressure experienced conduction.Described sensor 12 can be fingerprint sensing Device, touch sensing, blood oxygen transducer or heart rate sensor.

The lower surface of described becket 14 is tight with the upper surface laminating of described first gripper shoe 32.Described becket 14 Breadth Maximum is more than or equal to the Breadth Maximum of described first gripper shoe 32.Described becket 14 is in order to improve structural strength and close Sealing waterproof, described becket 14 can be additionally used in information gathering, will transmit with the biological information of the object of metallic rings contact Processor to terminal.For avoiding becket 14 to produce the static interference to sensor 12, need to be by becket 14 and sensor 12 Electrical connection.

Described switch 20 is fixed on the lower surface of described first gripper shoe 32.In described extension area when described switch 20 is arranged On territory 368, described first gripper shoe 32 and described switch 20 lay respectively at the both sides of described elongated area 368.Described switch 20 Pressing for user inputs, when user's pressing (directly pressing or indirectly pressing) key device 200, and described touch control component 10 Moving near described switch 20 direction under user presses power effect, described switch 20 contacts with the described contact portion 369 that is electrically connected with Thus be triggered and produce a switching signal.Mechanical press-key apparatus switching function can be realized to avoid false touch by switch 20.Make For selecting, switch 20 can be DOME metal dome, and described metal dome is fixed on described elongated area 368 by colloid or solder On.Switch 20 is preferably film key device, and in other embodiments, switch 20 can also be SMD touch-switch or lead Other mechanical switch key devices such as electricity elastomeric switch.

Seeing also Fig. 5 to Fig. 7, described switch 20 is touch-switch.Described switch includes that metal clips 21, periphery are touched Point 22, central contact the 23, first pin the 24, second pin 25, pedestal 26, button 27, lid 28, pad 292 are with sealing member 294。

The described generally U-shaped pedestal of pedestal 26, its one end fovea superior sets and is formed with host cavity 261.Described peripheral contacts 22 fills It is located on the inwall of described pedestal 26.Described central contact 23 is arranged at the approximate mid-section position of the diapire of described host cavity 261, Wherein said peripheral contacts 22 is arranged around described central contact 23.Described first pin 24 and described second pin 25 are arranged On the lateral wall of described pedestal 26, wherein said peripheral contacts 22 electrically connects with described first pin 24, described central contact 23 electrically connect with described second pin 25.Described first pin 24 is fixed on described first binding portion by conductive rubber or solder On 344, described second pin 25 is fixed in described second binding portion 346 by conductive rubber or solder.

The cross section of described metal clips 21 is domed, and the downward recessed formation in approximate mid-section position of described metal clips 21 One salient point (not shown).Described metal clips 21 is contained in described host cavity 261, and its edge and described peripheral contacts 22 phase Contact.Described metal clips 21 is for deforming upon when pressed and contacting with described central contact 23, and then conducting is described First pin 24 and described second pin 25.

Described lid 28 covers described host cavity 261, and offers the through hole being connected with described host cavity 261 on it 282.Described button 27 is partially housed in described host cavity 261, and part stretches out in described lid 28 via described through hole 282 Outward.It is peripheral that described pad 292 is sheathed on described button 27, is connected so that described button 27 is relatively fixed with described lid 28.Institute State sealing member 294 between described button 27 and described metal clips 21.

The key device 200 of this utility model embodiment also includes a cover plate 50.Described cover plate 50 is arranged at described biography To protect described sensor 12 on sensor 12.Described cover plate 50 includes substrate 52 and is arranged at described substrate 52 and described sensor Dyed layer 54 between 12.Described dyed layer 54 is used for decorating and protect described sensor 12.Described dyed layer 54 can be silk Print layer.Described substrate 52 can be glass plate.

It is understood that in other embodiments, can be directly in colouring described in the surface configuration of described sensor 12 Layer 54, such as directly forms ink layer at described sensor 12 surface spraying, to realize decorating the function of described sensor 12.

In some embodiments of this utility model, from the angle of operation principle, as shown in Figure 8, key device 200 is also Including processor 40, processor 40 coordinates with switch 20, sensor 12 and realizes corresponding function.Wherein, sensor 12 is for basis Touch exports a touching signals, and switch 20 is for according to push action output one pressing signal, processor 40 and sensor 12 connect with switch 20 communications, and export the control instruction corresponding with touching signals or pressing signal.In certain embodiments, press The control method of key apparatus includes step S1 to S3.S1: processor 40 judges whether produce a pressing signal on switch 20, if It is then to perform S3, if it is not, then perform step S2；S2: processor 40 judges whether sensor 12 produces a touching signals, if so, Then export the first control instruction, if it is not, do not export；S3: export the second control instruction.Preferably, control instruction includes first Control instruction and the second control instruction.

Wherein, shown in Fig. 9, processor 40 includes first output module the 41, second output module 42 and selects to control Module 43.It is to be appreciated that processor 40 can be the device that key device 200 is separately provided, or, it is also possible to for belong to originally in Terminal but the part that shares with key device 200.

First output module 41 is for exporting the first control instruction according to touching signals.As selection, the first output module 41 are additionally operable to search whether there are corresponding valid data in register data storehouse according to touching signals, and are finding relatively The first control instruction is exported during the valid data answered.Described valid data comprise the fingerprint prestored.Preferably, the first output Module 41 reads the data of related register in control chip by iic bus.

Second output module 42 is for exporting the second control instruction according to pressing signal.As selection, the first control instruction And/or second control instruction be ESC Escape instruction, return key instruction, dormancy awakening instruction, at least one in exit instruction.Excellent Selection of land, the first control instruction and the second control instruction are respectively the instruction of HOME key or the instruction of BACK key.Such as, first controls to refer to Making and instructing for return key, described second control instruction is exit instruction.

Control module 43 is selected to be connected with the first output module 41 and the second output module 42, for according to pressing signal choosing Select the first output module 41 and export the first control instruction or the second output module 42 exports the second control instruction.Preferably, switch 20 are not having any pressing or press pressure less than the when of by pressure threshold, and processor 40 detects that the voltage of switch 20 is High level (magnitude of voltage is equal to VDD/AVDD)；When the finger corresponding to pressing signal or other objects are pressed into switch 20 Pressure is up to or over the when of by pressure threshold, and processor 40 detects that the voltage of switch 20 is that low level is (with GND short circuit State).It is to be appreciated that be 1.6-3.5N by pressure threshold.Preferably, it is 2.4N by pressure threshold.When processor 40 detects The when that voltage to switch 20 being high level, now processor 40 thinks that switch 20 is not pressed, and can detect simultaneously The signal of sensor 12.When the voltage that processor 40 detects switch 20 is low level time, now biography ignored by processor 40 The signal of sensor 12, thinks that switch 20 is in the state being pressed simultaneously.

Preferably, the method that may also include false-touch prevention in some embodiments.Before step S1, may also include following step Rapid: processor 40 judges whether switch 20 produces a touch sensible signal, the most then explanation pressing letter according to external touch action Number generation based on the sent instruction of user on the basis of, thus step S1 can be continued executing with.If it is not, then illustrate not to use The sent instruction in family, but owing to false touch causes the generation that presses signal to other objects, in this case, be immediately finished Subsequent operation.Such benefit is, only just can carry out pressing the judgement of signal after user sends instruction further, if by mistake Touch in the case of other objects, the most directly exit current operation interface, user can be prevented because false touch switch 20 and experience lf being influenced.

In some preferred embodiments, control method also comprises the steps T1 to T3.T1: select control module 43 to judge Whether produce a pressing signal on switch 20, the most then perform step T3；If it is not, then perform step T2.T2: select to control mould Block 43 selects the first output module 41 to export the first control instruction.T3: select control module 43 to select the second output module 42 defeated Go out the second control instruction.

Shown in Figure 10, sensor 12 includes touch-control sensing module 122 and touch-control judge module 124.Touch-control sensing mould Block 122 is used for sensing touch and exporting induced signal.In conjunction with shown in Figure 11 to Figure 13, touch-control sensing module 122 includes driving Moving cell 12A, sensing unit 12B and analytic unit 12C, wherein, forming one between driver element 12A and sensing unit 12B can The variable capacitance amount being changed according to the change of touch, analytic unit 12C is according to variable capacitance amount output sensing letter Number.Preferably, predetermined threshold value is predetermined capacitive threshold value, and described predetermined threshold value can be adjusted according to actually used needs.Institute Stating touch-control sensing module 122 to be made up of two sides, front is driver element 12A and sensing unit 12B, and the two mutually embeds and hands over Wrong arrange, reverse side be GND cover copper.Preferably, driver element 12A and sensing unit 12B is comb shaped structure, the comb of the two The interlaced embedding in position is arranged, and can exchange.As selection, front is that driver element 12A and sensing unit 12B also may be used For other structures, arrange as long as staggered embedding can be realized.Wherein becket 14 can meet GND, to improve electrostatic screen Performance.When contacting with sensor 12 without any material, between driver element 12A and sensing unit 12B electrode, one can be formed Electric capacity.When being less than a pressure threshold with finger or other conductive materials pressure touching or being pressed against keytop gently The when of value, the electric capacity between driver element 12A and sensing unit 12B can be caused to change.It is to be appreciated that pressure threshold For 1.6-3.5N.Preferably, pressure threshold is 2.4N.The size of pressure threshold can select pot according to switch 1(switch 1 Young sheet switch) model determine, different closing pressure threshold values is different, can carry out type selecting according to actual needs.When above-mentioned electricity When appearance change reaches and exceedes capacitance variation amount set in advance, analytic unit 12C can produce an interrupting information, and export Induced signal, induced signal includes interrupting information.

Touch-control judge module 124 is used for judging whether induced signal reaches a predetermined threshold value, and exports touch-control when reaching Signal.It is to be appreciated that the first output module 41 is connected with touch-control judge module 124, and according to receiving touching signals output the One control instruction.

Preferably, in certain embodiments, above-mentioned steps S2 also comprises the steps P1 to P3.P1: touch-control sensing mould Block 122 senses touch and exports induced signal, and induced signal includes interrupting information.As selection, the first output module 41 Judge whether to have in register data storehouse corresponding valid data always according to touching signals, the most then output the first control refers to Order, if it is not, do not export.P2: touch-control judge module 124 judges whether induced signal reaches a predetermined threshold value, the most then perform Step P3；If it is not, then terminate.P3: the first output module 41 exports the first control instruction.

In this utility model embodiment, touch control component 10 is integrated on Rigid Flex 30 with switch 20, and simplification finishes Structure.Flexible circuit board 36 can press at touch control component 10 and occur certain deformation not affect electrical connection in the moving process upspring Circuit, convenient use, increase the service life.Utilize switch 20 and touch control component 10 so that key device 200 is provided simultaneously with machinery Button and touch controllable function, the touch of user and push can provide two kinds of different signals of telecommunication, it is achieved on one component Realize various control function.When user's pressing keys device 200, touch sensible signal and switch 20 can be triggered simultaneously, from And realize realizing on one component various control function, save structure space.Two controls that sensor 12 produces with switch 20 Signal processed may be respectively used for controlling difference in functionality, it is also possible to control identical function simultaneously, such as same when two control signals Time produce time just start a certain function, such that it is able to be prevented effectively from false touch.

Further, this utility model also provides for a kind of key device changing embodiment and terminal, and described change is real The scheme executing mode is essentially identical with above-mentioned embodiment, and the basic explanation of the most above-mentioned embodiment is for described change real Executing mode, the scheme of described change embodiment differs primarily in that with above-mentioned embodiment, and described touch control component is changed to Other sensor clusters (such as sensor cluster), described sensor cluster is additionally operable to when being touched or press obtain and applies to touch Or the biological information of the object of pressing.Described biological information can be finger print information.

Specifically, described terminal is additionally operable to after the biological information obtaining the object applying touch or pressing to obtain Biological information and default biological information comparison, if comparison result is identical, then perform the 3rd control function.

Described terminal includes whether processor, the described terminal of described processor detecting are in and utilize biological information solution The state at lock/checking interface, the most described processor controls described sensor cluster and obtains and apply to touch or the object of pressing Biological information, and control the biological information obtained and default biological information comparison, if comparison result is identical, Then output control instruction performs described 3rd control function, if comparison result is different, described processor judges whether produce on switch A raw pressing signal, the most then output control instruction controls function to perform described second, if it is not, the most described processor judges Whether sensor cluster produces a touching signals, the most then output control instruction controls function to perform described first, if it is not, Do not export.

The described state utilizing biological information to unlock/verify interface that is in includes unlocked by fingerprint state, confidential data Process at least one in fingerprint authentication state and fingerprint authentication pay status.

Described 3rd controls function is unlocking screen, opens data, in backup data, deletion data, payment function At least one.

Can be by pressure experienced conduction to described switch when described sensor cluster is used for being pressed so that described switch quilt Triggering and realize the 4th control function, the described 4th controls function for waking up sleep mode up.

Described touch is for clicking touch, and the most described sensor cluster is produced control signal and realizes described when clicking touch Second controls function.

Embodiment of above is only in order to illustrate the technical solution of the utility model and unrestricted, although with reference to above the most real This utility model has been described in detail by mode of executing, and it will be understood by those within the art that, can be new to this practicality The technical scheme of type is modified or equivalent the most should not depart from the spirit and scope of technical solutions of the utility model.

Claims (12)

1. a key device, including flexible circuit board and sensor, described sensor is arranged on described flexible circuit board also Electrically connect with described flexible circuit board, it is characterised in that: described key device also includes arranging with described flexible circuit board stacking The first gripper shoe, described sensor and described first gripper shoe lay respectively at the both sides of described flexible circuit board.

2. key device as claimed in claim 1, it is characterised in that: described flexible circuit board also includes extension, described in prolong Extending portion is used for electrically connecting other outer members or circuit, and described first gripper shoe is jagged at described extension, described scarce There is at Kou sealing or the second gripper shoe.

3. key device as claimed in claim 1, it is characterised in that: described flexible circuit board passes through with described first gripper shoe Colloid links into an integrated entity.

4. key device as claimed in claim 2, it is characterised in that: described extension includes the device being provided with electronic component Region, described device area is provided with the stiffening plate for supporting electronic component.

5. key device as claimed in claim 2, it is characterised in that: described key device also includes a switch, described sensing To described switch, described switch can be triggered pressure experienced conduction when device is pressed, described extension includes bent area Territory and the elongated area being connected with bending region, described switch is arranged on described elongated area, described first gripper shoe and institute State switch and lay respectively at the both sides of described elongated area.

6. key device as claimed in claim 5, it is characterised in that: described elongated area includes being electrically connected with contact portion, when described When key device is pressed, described switch contacts with the described contact portion that is electrically connected with thus is triggered and produces a switching signal.

7. key device as claimed in claim 6, it is characterised in that: described switch is metal dome, and described metal dome passes through glue Body or solder are fixed on described elongated area.

8. key device as claimed in claim 5, it is characterised in that: described switch is touch-switch, it include metal clips, Peripheral contacts, central contact, the first pin and the second pin, the cross section of described metal clips is domed, and described metal clips Edge contact with described peripheral contacts, described metal clips is for deforming upon when pressed and connect with described central contact Touching, described peripheral contacts electrically connects with described first pin, and described central contact electrically connects with described second pin, described extension Region also includes the first binding portion of corresponding described first pin, the second binding portion of corresponding described second pin, described first Pin is fixed in described first binding portion by conductive rubber or solder, and described second pin is solid by conductive rubber or solder It is scheduled on described switch in described second binding portion and includes that pin, described elongated area also include the binding portion of corresponding described pin, Described pin is fixed in described binding portion by colloid or solder.

9. the key device as according to any one of claim 1-8, it is characterised in that: described sensor include following at least it One:

Sensor, touch sensing, blood oxygen transducer and heart rate sensor.

10. the key device as according to any one of claim 1-8, it is characterised in that: it is cased with a metal on described sensor Ring.

11. key devices as according to any one of claim 1-8, it is characterised in that: described key device also includes substrate And dyed layer, described substrate is arranged on described sensor, and described dyed layer is arranged between described substrate and described sensor.

12. key devices as according to any one of claim 1-8, it is characterised in that: described sensor surface is coated with oil Layer of ink.