CN207817731U - Electronic equipment - Google Patents

Abstract

The utility model discloses a kind of electronic equipment, including shell and bio-identification module.The shell is provided with through-hole.The bio-identification module includes：Sensor, for executing biological information sensing；The first conduct piece and the second conduct piece of insulation gap setting, and expose to the open air in the through hole, to be contacted by target object, first conduct piece and second conduct piece are adjacent to the sensor；Intermediary element is connect with second conduct piece；With the first detection circuit, it is connect with first conduct piece, it is connect with second conduct piece by the intermediary element, first detection circuit is for providing the first signal to first conduct piece, second signal is provided to the second conduct piece by the intermediary element, and the third signal exported from reception from second conduct piece, and determined according to the third signal and contact whether the target object of first conduct piece and the second conduct piece is genuine human body.

Description

Electronic equipment

Technical field

The utility model is related to sense identification technology field more particularly to a kind of electricity with the true and false living body functional of identification Sub- equipment.

Background technology

As bio-identification module (e.g., fingerprint recognition module) is in the universal of intelligent mobile terminal, bio-identification module Purposes is also more and more extensive.From the application of initial booting unlock, mobile payment till now and equal application of transferring accounts, biology knowledge The safety problem of other module is increasingly paid close attention to.For example, if the ability of fingerprint recognition module identification prosthetic finger is very low, Other people can then be easier to fingerprint recognition module of out-tricking using prosthetic finger, realize the functions such as unlocked by fingerprint, payment, this is for a user One prodigious security risk.Therefore it provides a kind of electronic equipment with the true and false living body functional of identification is actually necessary.Its In, the organism is, for example, the finger of human body.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provide it is a kind of have identify that the electronics of true and false true object function is set It is standby.

To achieve the above object, the utility model provides the following technical solutions：

A kind of electronic equipment, including：

Shell is provided with through-hole；With

Bio-identification module, including：

Sensor, for executing biological information sensing；

The first conduct piece and the second conduct piece of insulation gap setting, and expose to the open air in the through hole, with by target object Contact, first conduct piece and second conduct piece are adjacent to the sensor；

Intermediary element is connect with second conduct piece；With

First detection circuit is connect with first conduct piece, is connected by the intermediary element and second conduct piece It connects, first detection circuit provides second for providing the first signal to first conduct piece by the intermediary element Signal gives the second conduct piece, and receives the third signal exported from second conduct piece, and according to the third signal It determines and contacts whether the target object of first conduct piece and the second conduct piece is genuine human body.

Optionally, first signal is a constant voltage signal, and the second signal is the first drive signal, third letter Number be the first sensing signal.

Optionally, first signal is ground signalling, and the second signal is the first drive signal, and third signal is the One sensing signal.

Optionally, the intermediary element includes any one in sectional pressure element, switch element or combination.

Optionally, when the intermediary element includes sectional pressure element, the sectional pressure element includes resistance, the resistance series connection It is connected between second conduct piece and first detection circuit.

Optionally, the third signal is that the resistance is connected the signal of side with the second conduct piece.

Optionally, when the target object contacts first conduct piece with second conduct piece, the object Body is to be connected in series with the resistance.

Optionally, determine that the target object of the first conduct piece of contact and the second conduct piece is according to first detection circuit No is genuine human body, and whether the sensor correspondence executes biological information sensing.

Optionally, when first detection circuit determines the target object of contact first conduct piece and the second conduct piece For genuine human body when, the sensor start to the target object execute biological information sensing.

Optionally, when the sensor executes biological information sensing, first detection circuit connects for providing Earth signal gives first conduct piece and second conduct piece.

Optionally, the sensor includes multiple sensing electrodes and the second detection circuit, and second detection circuit is used for The second drive signal is provided to the multiple sensing electrode, the multiple sensing electrode is driven to execute biological information sensing, And the second sensing signal exported from the multiple sensing electrode is received, to determine the mesh according to second sensing signal Mark the biological information of object input.

Optionally, the bio-identification module further comprises that control circuit, the control circuit are separately connected described One detection circuit and second detection circuit, when first detection circuit determines that contacting first conduct piece and second leads It is when the target object of electric part is genuine human body, then corresponding to export corresponding command signal to the control circuit, the control electricity Road corresponds to triggering second detection circuit and starts that the multiple sensing electrode is driven to execute biological information sensing.

Optionally, the control circuit and/or first detection circuit integrate in the sensor.

Optionally, first detection circuit is according to the second signal and the third signal acquisition electrical property feature, and Determine whether the target object is genuine human body according to the electrical property feature.

Optionally, first detection circuit obtains multiple resistance according to first sensing signal and first drive signal Anti- feature, and according in the complex impedance feature impedance or/and impedance angle determine whether the target object is genuine human body.

Optionally, first conduct piece and second conduct piece are arranged around the sensor.

Optionally, the bio-identification module further comprises that insulating part, the insulating part setting are conductive described first Between part and the second conduct piece, a hollow cyclic annular knot is formed for being matched with first conduct piece and the second conduct piece Structure, the cyclic structure surround the sensor.

Optionally, the insulating part is separately connected with first conduct piece and the second conduct piece.

Optionally, first conduct piece and the second conduct piece compared to the sensor more adjacent to the electronic equipment Outer surface.

Optionally, the shell includes cover sheet, and the through-hole is arranged on the cover sheet, and the sensor corresponds to The via regions setting, or, the sensor is arranged in the lower section of cover sheet, is covered by the cover sheet.

Optionally, the electronic equipment further comprises display device, is arranged in the lower section of cover sheet, and with the biography Sensor is oppositely arranged, and the display device is for showing picture.

Optionally, the shell includes rear shell, and the through-hole is arranged in the rear shell, and the sensor corresponds to the through-hole Region is arranged.

Optionally, the shell, which corresponds to, is arranged the through-hole on the side wall of electronic equipment, the sensor corresponds to described logical Bore region is arranged.

Optionally, the bio-identification module is fingerprint recognition module.

Optionally, the electronic equipment is tablet computer or mobile phone.

Optionally, when the intermediary element includes switch element, first detection circuit controls the switch element Intermittent conduction and cut-off.

Optionally, when the switching elements conductive, first detection circuit provides the by the switch element of conducting Binary signal gives the second conduct piece.

Optionally, the mobile terminal further comprises display device, is shown for executing image, and the shell, which has, to be received Hold space, the sensor and the display device are oppositely arranged, and are all housed in the receiving space.

Optionally, the shell has receiving space, and is provided with the through-hole for leading to electronic equipment outer surface, described First conduct piece and second conduct piece expose to the open air in the through hole, and the sensor is housed in the receiving space.

Optionally, first conduct piece and second conduct piece compare the sensor closer to the outer surface.

Optionally, first detection circuit according to the third signal come determine be in direct contact first conduct piece and Whether the target object of the second conduct piece is true finger.

Since the electronic equipment includes first conduct piece and second conduct piece, first detection circuit carries First conduct piece is given for the first signal, provides second signal to the second conduct piece by the intermediary element, and receive Third signal from second conduct piece output, and determined according to the third signal and to contact first conduct piece and the Whether the target object of two conduct pieces is genuine human body, and therefore, the safety of the electronic equipment can be improved.

It is disclosed by the utility model by having shown and described although disclosing multiple embodiments, including its variation The following detailed description of illustrative embodiment, other embodiment disclosed by the utility model will show those skilled in the art And it is clear to.Can be changed in various obvious aspects it will be recognized that the utility model discloses, all modifications all without departing from The spirit and scope of the utility model.Correspondingly, attached drawing and detailed description should substantially be considered as illustrative, rather than limit Property.

Description of the drawings

Its example embodiment is described in detail by referring to accompanying drawing, the feature and advantage of the utility model will become brighter It is aobvious.

Fig. 1 is the structural schematic diagram of an embodiment of the utility model electronic equipment.

Fig. 2 is the structural schematic diagram of an embodiment of the button assembly of electronic equipment shown in Fig. 1.

Fig. 3 is the circuit block diagram of the bio-identification module of button assembly shown in Fig. 2.

Fig. 4 is equivalent circuit diagram when bio-identification module detects true and false finger.

Fig. 5 is the structural schematic diagram of another embodiment of cyclic structure shown in FIG. 1.

Fig. 6 is the part-structure schematic diagram of another embodiment of electronic equipment shown in Fig. 1.

Fig. 7 is the part-structure schematic diagram of the another embodiment of electronic equipment shown in Fig. 1.

Specific implementation mode

It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, below in conjunction with the accompanying drawings to this The specific embodiment of utility model explains in detail.However, example embodiment can be implemented in a variety of forms, and should not be by It is considered limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the utility model will be full and complete, And the design of example embodiment is comprehensively communicated to those skilled in the art.It is for convenience or clear, it may exaggerate, save Slightly or it is schematically illustrated in every layer of thickness and size shown in attached drawing and schematically illustrates the quantity of related elements.Separately Outside, the size of element not exclusively reflects that the quantity of actual size and related elements not exclusively reflects actual quantity.Because of attached drawing The reasons such as of different sizes, in different drawings shown in same or similar or related elements quantity there are not consistent feelings Condition.Identical reference numeral indicates the same or similar structure of function in figure.So, it should be noted that in order to enable label With regularity and logicality etc., in certain different embodiments, the same or similar element of function or structure use not Same reference numeral illustrates that those skilled in the art is can be direct or indirect according to the relevance of technology and related text Judgement is learnt.

In addition, described feature, structure can be incorporated in one or more embodiments in any suitable manner In.In the following description, many details are provided to provide fully understanding to the embodiment of the utility model.So And one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other structures, Constituent element etc. can also put into practice the technical solution of the utility model.In other cases, be not shown in detail or describe known features or Person operates to avoid fuzzy the utility model.

Further, following term is exemplary, it is not intended that is limited in any way.Read the application it Afterwards, it would be recognized by those skilled in the art that the statement of these terms suitable for technology, method, physical component and system (no matter mesh It is preceding whether to know), including read those skilled in the art after the application and be inferred to or its educible extension.

In the description of the present invention, it will be appreciated that：" multiple " includes two and two or more, unless the application Separately there is clearly specific restriction.In addition, the words such as " first " that occurs in each element title and signal name, " second " are not It is to limit the sequencing and quantity that element or signal occur, but name for convenience of element, clearly distinguishes each element so that Description is more succinct understandable.Further, the feature for defining " first ", " second " etc. can explicitly or implicitly include one Or more described features.

Also referring to Fig. 1 to Fig. 4, Fig. 1 is the structural schematic diagram of an embodiment of the utility model electronic equipment.Figure 2 be the part-structure schematic diagram of the button assembly of electronic equipment shown in Fig. 1.Fig. 3 is the bio-identification mould of button assembly shown in Fig. 2 The partial circuit block diagram of group.Fig. 4 is equivalent circuit diagram when bio-identification module detects true and false finger.The electronic equipment 100 It is such as portable electronic product, household formula electronic product or vehicular electronic product, so, the application is not limited thereto place The product of row is equally applicable to other suitable products.The portable electronic product is as being mobile terminal, for example, mobile phone, flat All kinds of suitable electronic products such as plate computer, laptop and wearable product；Household formula electronic product is as being intelligent door All kinds of suitable electronic products such as lock, TV, refrigerator, desktop computer；Vehicular electronic product is as automatic navigator, vehicle-mounted All kinds of suitable electronic products such as DVD.The electronic equipment 100 includes the first conduct piece 241, the inspection of the second conduct piece 243, first Slowdown monitoring circuit 251 and intermediary element 252.Insulation gap is arranged between first conduct piece 241 and second conduct piece 243. First detection circuit 251 is connect with first conduct piece 241, conductive with described second by the intermediary element 252 Part 242 connects.First detection circuit 251 passes through the centre for providing the first signal to first conduct piece 241 Element 252 provides second signal to the second conduct piece 243, and receives the third letter exported from second conduct piece 243 Number, and determined according to the third signal contact 241 and second conduct piece 243 of the first conduct piece target object whether be Genuine organism.The organism is, for example, the finger of human body.

So, the application is not limited thereto, and the organism is alternatively ear, palm, wrist, arm, the toe of human body Any suitable part on equal bodies.In addition, in some cases, the organism is also not limited to human body, or Desired part in other proper animal bodies.

It should be noted that commonly referred to as the model copied according to some part of genuine human body is referred to as prosthese or vacation Human body.Such as the fingerprint film made of conductive material is a type of prosthese.Below mainly by taking organism is human body as an example It illustrates.

Since the first detection circuit 251 of the application electronic equipment 100 can determine that according to the third signal described in contact Whether the target object of the first conduct piece 241 and second conduct piece 243 is genuine human body, therefore, the electronic equipment 100 Security performance access raising.

Preferably, " contact " is the meaning run into or suffered, in this application, the target object refers to being in direct contact institute State the object of the first conduct piece 241 and second conduct piece 243.For example, being connect after fingerprint film, with fingerprint film on finger plaster surely Touch first conduct piece 241 and when second conduct piece 243, the technical solution of the application, which can determine, is in direct contact described the The fingerprint film of one conduct piece 241 and second conduct piece 243 is prosthese.

It is to be oppositely arranged between first conduct piece 241 and second conduct piece 243.So, first conduct piece 241 with the second conduct piece 243 or be disposed adjacent.

In this application, first conduct piece 241 and second conduct piece 243 include conductive materials, can be transmitted Electric signal, the conductive materials are, for example, metal material.So, the application is not limited thereto, and the conductive materials are alternatively it The composite material of its suitable conductive material or conduction.

Further, in each embodiment of the application, first conduct piece 241 and second conduct piece 243 Quantity be respectively 1, so, change ground, in other embodiments, the quantity of first conduct piece 241 is alternatively more A, the quantity of second conduct piece 243 is alternatively multiple.

First signal is a constant voltage signal, and the second signal is the first drive signal, and third signal is the One sensing signal.The constant voltage is, for example, ground signalling (GND).Wherein, the ground signalling is generally electronic equipment 100 Equipment or systematically on signal, usually be, for example, 0 volt (V) voltage signal, so, or close to 0V voltage believe Number, the signal of even other suitable voltage sizes.So, first conduct piece 241 also can receive institute by a resistive element State ground signalling.

First drive signal is, for example, that square-wave pulse signal, triangular pulse signal, sine wave signal etc. are suitable Signal.

First detection circuit 251 for example connects according to first sensing signal and first drive signal to determine Whether the target object for touching first conduct piece, 241 and second conduct piece 243 is genuine human body.

Specifically, in some embodiments, first detection circuit 251 is for example according to the first sensing signal phase Whether the target object, which is genuine human body, is determined for variation of first drive signal in amplitude and/or phase.

In other embodiments, first detection circuit 251 for example according to first sensing signal with it is described First drive signal obtains electrical property feature, and determines whether the target object is genuine human body according to the electrical property feature.

The electrical property feature is, for example, complex impedance or complex admittance.Complex impedance includes impedance and impedance angle.First detection Circuit 251 for example knows the first conduct piece 241 of contact and second conduct piece 243 according to the impedance angle or/and the impedance Whether target object is genuine human body.

Similarly, complex admittance includes admittance and admittance angle.Correspondingly, first detection circuit 251 also can be according to described Admittance angle or/and the admittance know whether the target object of the first conduct piece 241 of contact and the second conduct piece 243 is genuine people Body.Due to the inverse that complex admittance is complex impedance, it is mainly illustrated below with complex impedance.

So, the electrical property feature is not limited to complex impedance or other suitable electrical property features or described other suitable Electrical property feature is in conjunction with the complex impedance.

In yet other embodiments, first detection circuit 251 also can according to first sensing signal with prestore Signal or range of signal be compared, to determine whether the target object is genuine human body.

The intermediary element 252 includes any one or combination in sectional pressure element, switch element.

When the intermediary element 252 includes sectional pressure element, the sectional pressure element includes resistance, and the resistance is connected in series with Between second conduct piece 243 and first detection circuit 251.Correspondingly, the third signal be the resistance with Second conduct piece 243 is connected the signal of side.

When the target object contacts first conduct piece 241 with second conduct piece 243, the target object It is to be connected in series with the resistance.

When the intermediary element 252 includes switch element, first detection circuit 251 controls between the switch element Having a rest property is connected and cut-off.When the switching elements conductive, first detection circuit 251 is provided by the switch element of conducting Second signal gives the second conduct piece 243.When the switch element ends, first detection circuit 251 receives the third Signal.

It contacts first conduct piece 241 and described second with true finger, true finger fitting fingerprint film, fingerprint film below and leads It is illustrated for these three situations of electric part 243.

Fig. 4 is referred to, when target object contacts first conduct piece 241 and second conduct piece 243, the mesh It marks object, the first conduct piece 241, the second conduct piece 243, intermediary element 252 and the first detection circuit 251 and forms a circuit time Road, wherein the target object, which is equivalent to, to be connected in series between first conduct piece 241 and second conduct piece 243 Circuit element.

Firstly, for above-mentioned the second situation, surely on finger plaster after fingerprint film, again by fingerprint film contact described the One conduct piece 241 and second conduct piece 243, are connected in series in first conduct piece 241 and second conduct piece 243 Between circuit element other than target object fingerprint film, should also include the true finger.

Relatively, for the first above-mentioned situation, finger is in direct contact first conduct piece 241 and described second surely When conduct piece 243, the circuit element between first conduct piece 241 and second conduct piece 243 is connected in series in as institute State true finger.

For the third above-mentioned situation, first conduction is directly placed at when fingerprint film not to be attached on true finger When on part 241 and second conduct piece 243, be connected in series in first conduct piece 241 and second conduct piece 243 it Between circuit element be the fingerprint film.

Since the electrical property feature of true finger, true finger combination fingerprint film, fingerprint film is different, correspondingly, finger, true hand surely When finger is connected in conjunction with fingerprint film, fingerprint film between the first conduct piece 241 and the second conduct piece 243, first detection Circuit 251 corresponds to the first sensing signal received respectively from the second conduct piece 243 and is different, to first detection Circuit 251 determines the target object for contacting 241 and second conduct piece 243 of the first conduct piece according to first sensing signal Whether it is genuine human body.

The electronic equipment 100 can further comprise insulating part 245.The setting of the insulating part 245 is conductive described first Between part 241 and second conduct piece 243.The insulating part 245, first conduct piece, 241 and second conduct piece 243 Such as a hollow enclosed construction or cyclic structure 24 is cooperatively formed jointly.The color of the insulating part 245 for example with it is described The color of first conduct piece 241 and second conduct piece 241 is identical or different.The cyclic structure 24 can be mainly annulus knot The various suitable structures such as structure, rectangle ring structure, oval hoop.So, ground is changed, the insulating part 245, described first are led Electric part 241 and the second conduct piece 243 can also cooperatively form other suitable structures jointly, be not limited to hollow closed Structure or loop configuration 24.Ground is changed, the insulating part 245 also can be omitted in some embodiments.

In the present embodiment, the insulating part 245, first conduct piece 241 and second conduct piece 243 connect It is connected in one.So, ground is changed, in other embodiments, the insulating part 245, first conduct piece 241 and described Second conduct piece 243 can be also connected as one.

In the present embodiment, first conduct piece 241 and second conduct piece 243 are semi-loop or nearly half Ring structure.So, ground is changed, in other embodiments, first conduct piece 241 also may be used with second conduct piece 243 For other suitable structures, such as strip structure, loop configuration, arcuate structure, bending structure etc..

The electronic equipment 100 can further comprise that shell (not indicating), the shell have receiving space, the shell On be provided with the through-hole (not indicating) for leading to 100 outer surface of electronic equipment.First conduct piece 241 and second conduct piece 243 for example expose to the open air in the through hole, to be contacted by the target object.First detection circuit 251 is for example housed in institute It states in receiving space.

Any one or a few persons in the front, the back side, side of the electronic equipment 100 is for example arranged in the through-hole.

The shell is for example including cover sheet 10 and rear shell 30.The cover sheet 10 coordinates jointly with the rear shell 30 The receiving space is formed, with accommodating electric element in the receiving space.With electronic equipment 100 for mobile phone example, the guarantor Protecting cover plate 10 is generally transparent or translucent dielectric is made, with transmitted ray.The cover sheet 10 is, for example, glass Cover board.The rear shell 30 is usually non-transparent.So, the application is not limited thereto, different according to the type of electronic equipment 100, institute The material for stating cover sheet 10 and the rear shell 30 can corresponding selection as needed.

In the present embodiment, the through-hole is set on the cover sheet 10.First conduct piece 241 and described the The setting of two conduct pieces 243 is in the through hole, so that user touches first conduct piece 241 and second conduct piece 243. In the present embodiment, the cyclic structure 34 is arranged is formed with the through hole in the through hole, and with cover sheet 10 Madial wall between gap it is smaller, so that user contacts or presses first conduct piece 241 and second conduct piece 243 When, first conduct piece 241 and second conduct piece 243 can the relatively described movements of cover sheet 10.

The electronic equipment 100 includes bio-identification module 21.The bio-identification module 21 is for confirming contact biology It identifies whether the target object of module 21 is genuine human body, and when being determined as genuine human body, executes biological information sensing. The electronic equipment 100 is corresponded to according to the sensing result of the bio-identification module 21 executes corresponding function, such as booting unlock, Pay, transfer accounts, starting corresponding application program (APP) etc., or, carry out biological information registration, with carry out authentication it With.The bio-identification module 21 for fingerprint recognition module, blood oxygen as identified that module, heartbeat identify module, Pressure identification module Any one or the combination of several of them in.

The bio-identification module 21 include first conduct piece 241, the second conduct piece 243, intermediary element 252, absolutely Edge part 245 and first detection circuit 251, to execute the detection of true and false human body.In addition, the bio-identification module 20 into One step includes sensor 25.The sensor 25 is, for example, a bare die (Die) or chip (Chip) or chipset (Chipset). The sensor 25 is for executing biological information sensing.First conduct piece, 24 and second conduct piece 243 is close or encloses It is arranged around the sensor 25.In the present embodiment, the cyclic structure 24 is arranged around the sensor 25.The ring-type The relatively described sensor 25 of structure 24 is closer to the outer surface of the cover sheet 10.The sensor 25 is from the cyclic structure 24 Hollow region at receive target object biological information input.The sensor 25 is, for example, fingerprint sensor, blood oxygen Any one or the combination of several of them in sensor, heartbeat sensor, pressure sensor etc..Further, the sensor 25 Any one or a few group for example, in capacitance type sensor, infrared sensor, ultrasonic sensor, optical sensor It closes.Further, the capacitance type sensor is, for example, mutual capacitance type sensor or self-capacitance sensor.

In some embodiments, for example including the first pin (not shown), second pin, (figure is not for the sensor 25 Show) and third pin (not shown), wherein first detection circuit 251 is conductive with described first by first pin Part 241 connects, and first detection circuit 251 passes sequentially through the intermediary element 252 and the second pin and described the Two conduct pieces 242 connect, and first detection circuit 251 is further connected by the third pin and second conduct piece It connects.Correspondingly, first detection circuit 251 exports first signal to first conduct piece by first pin 241, the second signal is exported to second conduct piece 243 by the intermediary element 252 and the second pin, and The third signal is received by the third pin.

The bio-identification module 21 can further comprise flexible circuit board 26 and reinforcing plate 27.The flexible circuit board 26 For being electrically connected the sensor 25 and external circuit, to carry out the transmission of signal between.The external circuit is for example For the processor (AP or CPU) 40 of electronic equipment 100.The reinforcing plate 27 is fitted in the flexible circuit board 26 back to the biography The side of sensor 25 is fitted the intensity at place with reinforcing flexible circuit board 26 and the sensor 25.

In the present embodiment, the bio-identification module 21 exposes to the open air in the through hole.For the beauty of electronic equipment, Preferably, the bio-identification module 21 further comprises that cover board 28, the cover board 28 are arranged in the top of the sensor 25, That is, the cover board 28 exposes to the open air in the through hole.Wherein, when the sensor 25 is bare die, the cover board 28 is in face of described Sensor 25 is further provided with light shield layer；When the sensor 25 is the chip after encapsulating, formed on the sensor 25 There is packaging body.Face of the color of the light shield layer and the packaging body preferably with the light shield layer of 10 lower section of cover sheet or shell Color is identical.The cover board 28 is, for example, sapphire cover board, glass cover-plate, ceramic cover plate etc..The cover board 28 can be round, strip The various suitable shapes such as shape, rectangular, oval.

Further, the cover sheet 10 relatively of the cover board 28 is formed as depressed area, to guide described in user touches Bio-identification module 21.So, ground is changed, in other embodiments, the cover board 28 also can be omitted.

The sensor 25 includes multiple sensing electrodes and the second detection circuit 257.The bio-identification module 21 can be into One step includes control circuit 253.The multiple sensing electrode is generally arranged in array, and correspondingly, claims to be arranged in array multiple Sensing electrode is sensor array 255.So, ground is changed, in other embodiments, the multiple sensing electrode also can be in other Regular fashion or non-regular arrangement, the utility model is to this and is not particularly limited.Second detection circuit 257 and institute State sensor array 255, control circuit 253 is separately connected.The control circuit 253 further with first detection circuit 251 Connection.

Wherein, second detection circuit 257 drives institute for providing the second drive signal to the sensor array 255 It states sensor array 255 and executes biological information sensing, and receive the second sensing signal exported from sensor array 255, with Biological information is obtained according to the second sensing signal.

When work, when first detection circuit 251 determines the mesh of contact the first conduct piece 241 and the second conduct piece 243 When mark object is genuine human body, then corresponding command signal is provided to control circuit 253.The control circuit 253 is according to described Command signal triggers second detection circuit 253 and works, and the sensor array 255 is driven to start to execute biology to genuine human body Characteristic information senses.

When first detection circuit 251 determines that the target object of contact the first conduct piece 241 and the second conduct piece 243 is When prosthese, then corresponding command signal is not provided to control circuit 253 or provides in addition different command signals to control circuit 253, the control circuit 253 is then corresponding not to trigger the work of the second detection circuit 257.

So, ground is changed, in other embodiments, first detection circuit 251 also can be with the second detection circuit 257 It is directly connected to, rather than passes through control circuit 253.Correspondingly, first detection circuit 251 can directly control triggering described second Whether detection circuit 257 drives sensor array 255 to execute biological information sensing.

In the present embodiment, first detection circuit 251, control circuit 253, the second detection circuit 257, cental element Part 252 and sensor array 255 are integrated in the sensor 25, to improve the integrated level of sensor 25.So, ground is changed, In other embodiments, first detection circuit 251, control circuit 253, the second detection circuit 257, intermediary element 252, It may also be arranged on institute's flexible circuit board 26, or be integrated in other chips with one of sensor array 255 or a few persons.

Further, when the sensor 25 executes biological information sensing, first detection circuit 251 can be used First conduct piece, 241 and second conduct piece 243 is given in the offer ground signalling (GND), it is external to sensor with shielding 25 detection interference, improves sensing precision.

Further, first detection circuit 251 is driving 241 and second conduct piece 243 of the first conduct piece Before the detection for executing true and false human body, it may also be used for provide pulse signal to the first conduct piece 241 and the second conduct piece 243, drive It moves first conduct piece, 241 and second conduct piece 243 and executes touch-sensing.When first detection circuit 251 detects institute It states the first conduct piece 241 or/and after the second conduct piece 243 touched, then provides the first drive signal to the first conduct piece 241, And the first sensing signal of the second conduct piece 243 output is received, to determine the first conduct piece 241 of contact and the second conduct piece Whether 243 target object is genuine human body.In this way, saving the power consumption of electronic equipment 100.

So, ground is changed, in other embodiments, 25 replaceable first detection circuit 251 of the sensor, first are led Electric part 241 and the second conduct piece 243 execute the touch-sensing, or, first conduct piece, 241 and second conduct piece One of 243 or the two cooperation sensor 25 to execute the touch-sensing also possible.That is, the sensor 25 also can be used In first carrying out touch-sensing, detect whether that target object touches the bio-identification module 21.

In addition, by taking electronic equipment 100 is mobile phone as an example, the electronic equipment 100 further comprises display device, and is arranged In the lower section of cover sheet 10, shown with executing image.It is viewing area to define cover sheet 10 and correspond to the region of display picture, Its region is then non-display area.In the present embodiment, the bio-identification module 21 is oppositely arranged with the display device, and It is arranged in non-display area.So, ground is changed, in other embodiments, the sensor 25 of the bio-identification module 21 also may be used Corresponding viewing area setting.In addition, the display device can also be further used as touching device, touch-sensing is executed.

The electronic equipment 20 can further comprise button assembly 20.The button assembly 20 includes the bio-identification mould Group 21 and switch 23.The switch 23 is arranged in the lower section of the bio-identification module 21.The bio-identification module 21 is compared The switch 23 is adjacent to the cover sheet 10.

The switch 23 is, for example, tact switch.The switch 23 is for example for receiving user's finger in button assembly 20 Any power applied, will indicate user's finger press the electric signal of button assembly 20 by the flexible circuit board 26 or it is another not Same flexible circuit board is transferred to a button circuit (not shown), and can provide touch feedback to user's finger, to point out button Component 20 is pressed.The button circuit is for example connect with the processor 40.

The electronics such as the sensor 25, the flexible circuit board 26, reinforcer, switch 23, processor 40 and button circuit Element is housed in the receiving space of the shell.

The electronic equipment 100 may also include other circuits etc. in addition to the above-mentioned element listed.For this field For technical staff, it is also feasible that the correspondence of the electronic equipment 100, which increases or decreases certain elements,.It is mainly listed in the application With the relevant element of utility model, to protrude the emphasis of utility model.

Referring to Fig. 5, Fig. 5 is the structural schematic diagram of another embodiment of cyclic structure 24 shown in Fig. 2.Embodiment party herein In formula, first conduct piece 241 and second conduct piece 243 are hollow enclosed construction or cyclic structure, wherein Second conduct piece 243 is less than the first conduct piece 241, and positioned at the hollow region of first conduct piece 241, insulating part 245 are set between first conduct piece 241 and second conduct piece 243.Preferably, the insulating part 245 also corresponds to For hollow an enclosed construction or cyclic structure, and it is one to connect first conduct piece 241 with second conduct piece 243 Body.So, the insulating part 245 can also be not limited to hollow enclosed construction or cyclic structure or other segmenteds Structure.

Color phase of the color of the insulating part 245 for example with first conduct piece 241 and second conduct piece 241 It is same or different.

Referring to Fig. 6, Fig. 6 is the part-structure schematic diagram of another embodiment of electronic equipment 100 shown in Fig. 1.Herein In embodiment, the madial wall of the through-hole H of the cover sheet 10 extend horizontally away two insulating parts 245.Preferably, described two is exhausted Edge part 245 is oppositely arranged.First conduct piece 241 and the second conduct piece 243 are arranged by two insulating parts, 245 insulation gap. Two insulating part 245, first conduct piece 241, the second conduct piece 243 cooperatively form a hollow enclosed construction jointly Or loop configuration.

As it can be seen that in this embodiment, no longer needing to additionally independently form insulating part 245, to save material.

Referring to Fig. 7, Fig. 7 is the part-structure schematic diagram of another embodiment of electronic equipment 100 shown in Fig. 1.It is described Two strip through-hole H1, H2 are set on cover sheet 10.First conduct piece 241 is accommodated and is exposed with second conduct piece 243 It is exposed at described through-hole H1, H2, to be contacted by target object.

In this embodiment, sensor 25 may be provided at the lower section of cover sheet 10, such as correspond to the cover sheet Region setting between two strip through-hole H1, H2 on 10.Correspondingly, cover board 28 can be omitted.

Ground is changed, described two strip through-holes H1, H2 are not restricted to bar shaped or other suitable shapes, such as For arc-shaped through-hole etc..

Except the respective embodiments described above the first conduct piece 241 and second conduct piece 243 be oppositely arranged mode it Outside, first conduct piece 241 and second conduct piece 243 or various other suitable setting sides such as it is disposed adjacent Formula, the utility model do not make this special limitation, as long as when target object contacts the bio-identification module 21 to execute When the detection of true and false human body, first conduct piece 241 can be contacted i.e. with second conduct piece 243 by the target object It can.

The bio-identification module 21 is also not limited to be arranged on electronic equipment 100, may also set up on miscellaneous equipment, such as Mechanical equipment etc..

In other change embodiments, the through-hole is for example arranged on shell 30 in the rear, first conduct piece 241 It is exposed to the open air in the through hole with the second conduct piece 243, the sensor 25 corresponds to the via regions setting.Described first is conductive Part 241 and the second conduct piece 243 are compared to the sensor 25 closer to the outer surface of the rear shell 30.

Alternatively, the through-hole is arranged on the side wall that the shell corresponds to electronic equipment 100, the sensor 25 corresponds to institute State via regions setting.

Further, the electronic equipment of the prior art is usually in the one button group with fingerprint recognition module of front setting Part lacks entity touch key-press, causes user poor to the usage experience of electronic equipment.

To solve this technical problem, the application proposes：Made using first conduct piece, 241 and second conduct piece 243 For touch key-press.First detection circuit 251 is for driving first conduct piece 241 and second conduct piece 243 to hold Row touch-sensing.

Since the application is made in the case where not increasing touch electrode using the first conduct piece 241 and the second conduct piece 243 For touch key-press, to which the user experience of electronic equipment 100 can be improved.

First conduct piece 241 can such as be used separately as similar and different first of function with second conduct piece 243 Touch key-press and the second touch key-press.First touch key-press is in Menu key, navigation key, volume control key, return key etc. Any one or a few, second touch key-press is arbitrary in return key, navigation key, volume control key, return key etc. It is one or more of.For example, when first touch key-press is return key, second touch key-press is then Menu key；Work as institute When first touch key-press is that volume increases key, second touch key-press is then volume down key；When first touch key-press For to the left or scroll up key when, it is then to the right or to scroll down through key that second touch key-press, which corresponds to,；When first touch When button is Page Up, when second touch key-press is then Page Down.The application only illustratively lists herein The touch key-press of first conduct piece 241 and the second conduct piece 243 as some functions, so, the application is not limited thereto, described First conduct piece 241 and second conduct piece 243 or the touch key-press of other functions, for example, when taking pictures or imaging, First conduct piece 241 also respectively as enlargement key (Zoom In) and can reduce key (Zoom with second conduct piece 243 Out) etc..First conduct piece 241 and touch key-press of second conduct piece 243 as which kind of function, manufacturer or user It can flexibly be set as needed.

According to preset function, when first conduct piece, 241 and second conduct piece 243 is touched as touch key-press When touching, the processor 40 corresponds to control electronics 100 and executes corresponding function.

Citing, when browsing webpage, user can accordingly control webpage and carry out upwards by touching the first conduct piece 241 It rolls.

So, when sensor 25 executes biological information sensing to genuine human body, first detection circuit 251 provides The ground signalling gives first conduct piece, 241 and second conduct piece 243.

In addition, when the bio-identification module 21 is triggered and executes biological information sensing, the first detection electricity Road 251 also can first drive first conduct piece, 241 and second conduct piece 243 to execute touch-sensing.After detecting touch, then First conduct piece, 241 and second conduct piece 243 is driven to execute true and false human body sensing.First conduct piece is contacted when determining 241 and second target object of conduct piece 243 when being genuine human body, the sensor 25 starts to execute biology to genuine human body special Reference breath sensing.

For example, when user needs to execute biological information sensing using wechat payment, the processor 40, which corresponds to, to be touched Bio-identification module 21 is sent out to work.Correspondingly, when first detection circuit 251 detect first conduct piece 241 or/and When second conduct piece 243 is touched by target object, first detection circuit 251 then detects contact first conduct piece 241 and second the target object of conduct piece 243 whether be genuine human body；Relatively, when user carries out web page browsing without holding When row biological information senses, first detection circuit 251 drives the first conduct piece 241 and the second conduct piece 243 to execute Touch-sensing, at this point, first conduct piece, 241 and second conduct piece 243 is used separately as touch key-press, when the first detection circuit After 251 detect the touch of target object, the processor 40 then corresponds to control electronics according to preset touch key-press function and sets Standby 100 execute corresponding function, such as page turning.

Ground is changed, in other embodiments, one of first conduct piece, 241 and second conduct piece 243 can As touch key-press, and it is feasible that another one, which is then not used as touch key-press all,.

As it can be seen that the bio-identification module 21 of the electronic equipment 100 of the application includes the first conduct piece 241 and the of phase separation Two conduct pieces 243, can not only realize the detection of true and false human body, also can be used as the touch key-press of similar and different function.Correspondingly, The electronic equipment 100 can further promote the usage experience of user.

In addition, for the electronic equipment 100 of the respective embodiments described above, first sensing signal or measurement obtain multiple resistance It is anti-associated with the pressing dynamics of the target object or/and pressing area.What first sensing signal or measurement obtained answers Impedance changes with the pressing dynamics of the target object or/and the variation of area.

Correspondingly, first detection circuit 251 is in the target to contacting the first conduct piece 241 and the second conduct piece 243 It is accurate for detection when object carries out the detection of true and false human body, such as one section is taken for the impedance of complex impedance or/and impedance angle Mean value in detection time determines whether the target object is genuine human body.

For the first conduct piece 241 and the second conduct piece 243 of the respective embodiments described above, such as it is all or part of conduction Material.

Further, considering such as product appearance, such as Fig. 2 and the cyclic annular of embodiment shown in fig. 5 are tied Structure 24 can also wrap up insulating layer, example in the case where ensureing the sensing precision of true and false human body in the outer surface of cyclic structure 24 Such as, insulating tape.To which the appearance of cyclic structure 24 is the identical complete structure of a color.

It is disclosed despite with reference to each embodiment to describe the utility model, it will be appreciated that these embodiments are explanations Property, and the scope of the utility model is not limited only to them.Many variations, modification, addition and improvement are all possible. More generally, it is described in the context of specific embodiments according to each embodiment disclosed by the utility model.Function can In the process in different ways separately or in combination, or to utilize different terms in each embodiment disclosed by the utility model To describe.These and other variation, modification, addition and improve can be in this reality as defined in subsequent claims With in novel scope of disclosure.

Claims (39)

1. a kind of electronic equipment, including：

Shell is provided with through-hole；With

Bio-identification module, including：

Sensor, for executing biological information sensing；

The first conduct piece and the second conduct piece of insulation gap setting, and expose to the open air in the through hole, to be contacted by target object, First conduct piece and second conduct piece are adjacent to the sensor；

Intermediary element is connect with second conduct piece；With

First detection circuit is connect with first conduct piece, is connect with second conduct piece by the intermediary element, institute State the first detection circuit for provide the first signal to first conduct piece, by intermediary element offer second signal to Second conduct piece, and the third signal exported from second conduct piece is received, and connect according to third signal determination Whether the target object for touching first conduct piece and the second conduct piece is genuine human body.

2. electronic equipment as described in claim 1, it is characterised in that：First signal is a constant voltage signal, described Second signal is the first drive signal, and third signal is the first sensing signal.

3. electronic equipment as claimed in claim 2, it is characterised in that：First signal is ground signalling, second letter Number be the first drive signal, third signal be the first sensing signal.

4. electronic equipment as described in claim 1, it is characterised in that：The intermediary element includes sectional pressure element, switch element In any one or combination.

5. electronic equipment as claimed in claim 4, it is characterised in that：It is described when the intermediary element includes sectional pressure element Sectional pressure element includes resistance, and the resistance is connected in series between second conduct piece and first detection circuit.

6. electronic equipment as claimed in claim 5, it is characterised in that：The third signal is that the resistance is led with described second Electric part is connected the signal of side.

7. electronic equipment as claimed in claim 6, it is characterised in that：When the target object contact first conduct piece with When second conduct piece, the target object is to be connected in series with the resistance.

8. electronic equipment as described in claim 1, it is characterised in that：Determine that contact first is led according to first detection circuit Whether the target object of electric part and the second conduct piece is genuine human body, and whether the sensor corresponds to executes the target object Biological information senses.

9. electronic equipment as claimed in claim 8, it is characterised in that：When first detection circuit determines contact described first When the target object of conduct piece and the second conduct piece is genuine human body, the sensor starts to execute biology to the target object Characteristic information senses.

10. electronic equipment as claimed in claim 9, it is characterised in that：When the sensor executes biological information sensing When, first detection circuit is for providing ground signalling to first conduct piece and second conduct piece.

11. electronic equipment as claimed in claim 9, it is characterised in that：The sensor includes multiple sensing electrodes and second Detection circuit, for second detection circuit for providing the second drive signal to the multiple sensing electrode, driving is the multiple Sensing electrode executes biological information sensing, and receives the second sensing signal exported from the multiple sensing electrode, with The biological information of the target object input is determined according to second sensing signal.

12. electronic equipment as claimed in claim 11, it is characterised in that：The bio-identification module further comprises control electricity Road, the control circuit are separately connected first detection circuit and second detection circuit, when first detection circuit When determining that the target object for contacting first conduct piece and the second conduct piece is genuine human body, then the corresponding instruction of corresponding output Signal gives the control circuit, the control circuit to correspond to triggering second detection circuit and start to drive the multiple sensing electricity Pole executes biological information sensing.

13. electronic equipment as claimed in claim 12, it is characterised in that：The control circuit and/or the first detection electricity Road integrates in the sensor.

14. electronic equipment as described in claim 1, it is characterised in that：First detection circuit is according to the second signal With the third signal acquisition electrical property feature, and determine whether the target object is genuine human body according to the electrical property feature.

15. electronic equipment as claimed in claim 14, it is characterised in that：First detection circuit is according to the second signal With the third signal acquisition complex impedance feature, and according in the complex impedance feature impedance or/and impedance angle determine described in Whether target object is genuine human body.

16. electronic equipment as described in claim 1, it is characterised in that：First conduct piece and second conduct piece enclose It is arranged around the sensor.

17. electronic equipment as described in claim 1, it is characterised in that：The bio-identification module further comprises insulating part, The insulating part is arranged between first conduct piece and the second conduct piece, for conductive with first conduct piece and second Part matches to form a hollow cyclic structure, and the cyclic structure surrounds the sensor.

18. electronic equipment as claimed in claim 17, it is characterised in that：The insulating part and first conduct piece and second Conduct piece is separately connected.

19. electronic equipment as described in claim 1, it is characterised in that：First conduct piece and the second conduct piece compared to The sensor is more adjacent to the outer surface of the electronic equipment.

20. the electronic equipment as described in any one of claim 1-19, it is characterised in that：The shell includes protection cap The through-hole is arranged on the cover sheet for plate, and the sensor corresponds to the via regions setting, or, the sensor is set It sets in the lower section of cover sheet, is covered by the cover sheet.

21. electronic equipment as claimed in claim 20, it is characterised in that：The electronic equipment further comprises display device, It is arranged in the lower section of cover sheet, and is oppositely arranged with the sensor, the display device is for showing picture.

22. the electronic equipment as described in any one of claim 1-19, it is characterised in that：The shell includes rear shell, institute It states and the through-hole is set in rear shell, the sensor corresponds to the via regions setting.

23. the electronic equipment as described in any one of claim 1-19, it is characterised in that：The shell corresponds to electronic equipment Side wall on the through-hole is set, the sensor corresponds to the via regions setting.

24. electronic equipment as described in claim 1, it is characterised in that：The bio-identification module is fingerprint recognition module.

25. electronic equipment as described in claim 1, it is characterised in that：First detection circuit is according to the third signal Determination is in direct contact whether first conduct piece and the target object of the second conduct piece are genuine human body.

26. electronic equipment as claimed in claim 4, it is characterised in that：It is described when the intermediary element includes switch element First detection circuit controls the switch element intermittent conduction and cut-off.

27. electronic equipment as claimed in claim 26, it is characterised in that：When the switching elements conductive, first inspection Slowdown monitoring circuit provides second signal to the second conduct piece by the switch element of conducting；When the switch element ends, described One detection circuit receives the signal exported from the second conduct piece.

28. electronic equipment as described in claim 1, it is characterised in that：The electronic equipment further comprises display device, uses It is shown in executing image, the shell has receiving space, and the sensor and the display device are oppositely arranged, and are all accommodated In the receiving space.

29. the electronic equipment as described in claims 1 or 28, it is characterised in that：The shell has receiving space, and is provided with The through-hole of electronic equipment outer surface is led to, first conduct piece and second conduct piece expose to the open air in the through hole, The sensor is housed in the receiving space.

30. electronic equipment as claimed in claim 29, it is characterised in that：First conduct piece and the second conduct piece phase The sensor is closer to the outer surface.

31. the electronic equipment as described in claim 24 or 25, it is characterised in that：First detection circuit is according to the third Signal, which determines, contacts whether the target object of first conduct piece and the second conduct piece is genuine finger.

32. electronic equipment as claimed in claim 17, it is characterised in that：First conduct piece and second conduct piece are equal For cyclic structure, and the cyclic structure of second conduct piece is less than the cyclic structure of the first conduct piece；Or, described first is conductive Part, the insulating part and second conduct piece are segmentation structure, first conduct piece, the insulating part and described Second conduct piece to form the cyclic structure by joining end to end or being oppositely arranged.

33. electronic equipment as described in claim 1, it is characterised in that：First detection circuit is according to the third signal Determine contact first conduct piece and the second conduct piece target object whether be genuine finger, genuine ear, genuine toe, Any one in genuine palm or a few persons.

34. electronic equipment as described in claim 1, it is characterised in that：First conduct piece and/or second conduct piece Touch key-press is also served as, when first conduct piece and/or second conduct piece are used as touch key-press, first detection Circuit is additionally operable to that first conduct piece and second conduct piece is driven to execute touch-sensing.

35. electronic equipment as claimed in claim 34, it is characterised in that：The touch key-press is return key, Menu key, navigation Key, volume control key, shooting key in any one or a few.

36. electronic equipment as claimed in claim 34, it is characterised in that：The electronic equipment includes processor, when the place When reason device does not trigger the bio-identification module execution biological information sensing, the first detection circuit driving described first Conduct piece and/or second conduct piece execute touch-sensing, are used as touch key-press.

37. electronic equipment as claimed in claim 17, it is characterised in that：The shell includes cover sheet, the protection cap Plate is provided with the through-hole, and the insulating part is formed on the inside of through-hole from cover sheet and extends out, and is led with described first Electric part, the second conduct piece cooperatively form the cyclic structure jointly.

38. electronic equipment as described in claim 1, it is characterised in that：First conduct piece and second conduct piece Completely or partially it is made of an electrically conducting material.

39. electronic equipment as described in claim 1, it is characterised in that：The electronic equipment further comprises tact switch, if It sets in the lower section of the bio-identification module.