CN206363334U

CN206363334U - Sensor

Info

Publication number: CN206363334U
Application number: CN201621167190.7U
Authority: CN
Inventors: 林峰
Original assignee: Shenzhen Sunwave Technology Co Ltd
Current assignee: Liuzhou Zibo Technology Co.,Ltd.
Priority date: 2016-11-01
Filing date: 2016-11-01
Publication date: 2017-07-28
Anticipated expiration: 2026-11-01

Abstract

The utility model discloses a kind of sensor.The sensor includes：First pin, for being connected with the first electric-conductor；Second pin, for being connected with the second electric-conductor；3rd pin, for being connected with the second electric-conductor；Intermediary element, is connected with the second pin；With the first detection circuit, it is connected by first pin with first electric-conductor, it is connected by the intermediary element and second pin with second electric-conductor, and be connected by the 3rd pin with second electric-conductor, the first detection circuit is used to provide a constant voltage signal to first electric-conductor by the first pin, the first drive signal is provided to second electric-conductor by the intermediary element and second pin, and the first sensing signal exported from the second electric-conductor is received by the 3rd pin, and whether the target object for determining to contact first electric-conductor and second electric-conductor according to first sensing signal is genuine human body.

Description

Sensor

Technical field

The utility model is related to sensing identification technology field, more particularly to a kind of with the sensing for recognizing true and false bodily fuctions Device.

Background technology

As bio-identification module (e.g., fingerprint recognition module) is in the popularization of intelligent mobile terminal, bio-identification module Purposes is also more and more extensive.From the application of initial start unblock, mobile payment till now and the application waited of transferring accounts, biological 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, and this is for a user One very big potential safety hazard.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 provides a kind of biological knowledge for having and recognizing true and false true object function Other module and mobile terminal.

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

A kind of sensor, including：

First pin, for being connected with the first electric-conductor；

Second pin, for being connected with the second electric-conductor；

3rd pin, for being connected with the second electric-conductor；

Intermediary element, is connected with the second pin；With

First detection circuit, be connected by first pin with first electric-conductor, by the intermediary element with And second pin is connected with second electric-conductor, and it is connected by the 3rd pin with second electric-conductor, first inspection Slowdown monitoring circuit is used to provide a constant voltage signal to first electric-conductor by the first pin, by the intermediary element and Second pin provides the first drive signal to second electric-conductor, and receives defeated from the second electric-conductor by the 3rd pin The first sensing signal gone out, and contact first electric-conductor and second electric-conductor are determined according to first sensing signal Target object whether be genuine human body.

A kind of sensor, is arranged in an electronic equipment, and the electronic equipment, which includes shell, the first electric-conductor and second, leads Electric part, wherein, through hole is set on the shell, and first electric-conductor and second electric-conductor are exposed to the open air in the through hole, And the neighbouring sensor is set, the sensor includes：

First pin, for being connected with first electric-conductor；

Second pin, for being connected with second electric-conductor；

3rd pin, for being connected with the second electric-conductor；

Intermediary element, is connected with the second pin；With

Alternatively, the constant voltage signal is ground signalling.

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

Alternatively, when the intermediary element includes sectional pressure element, the sectional pressure element includes resistance, the resistant series It is connected between second electric-conductor and the first detection circuit.

Alternatively, first sensing signal is that the intermediary element is connected the letter of side with second electric-conductor Number.

Alternatively, when the target object contacts first electric-conductor with second electric-conductor, the object Body is to be connected in series with the resistance.

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

Alternatively, when the switching elements conductive, the first detection circuit provides the by the switch element of conducting One drive signal gives the second electric-conductor；When the switch element ends, described first detects circuit from second electric-conductor Receive the first sensing signal.

Alternatively, determine that the target object of the first electric-conductor of contact and the second electric-conductor is according to the described first detection circuit No is genuine human body, and whether the sensor correspondence performs biological information sensing to the target object.

Alternatively, when the described first detection circuit determines the target object of contact first electric-conductor and the second electric-conductor During for genuine human body, the sensor starts to perform the target object biological information sensing.

Alternatively, when the sensor performs biological information sensing, the first detection circuit connects for offer Earth signal gives first electric-conductor and second electric-conductor.

Alternatively, the sensor includes multiple sensing electrodes and the second detection circuit, and the second detection circuit is used for The second drive signal is provided to the multiple sensing electrode, drives the multiple sensing electrode to perform 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.

Alternatively, the bio-identification module further comprises controlling circuit, and the control circuit connects described the respectively One detection circuit and the second detection circuit, when the described first detection circuit determines that contact first electric-conductor and second is led When the target object of electric part is genuine human body, then corresponds to and export corresponding command signal to the control circuit, the control electricity Correspondence triggering the second detection circuit in road starts to drive the multiple sensing electrode to perform biological information sensing.

Alternatively, it is described control circuit and/or it is described first detection circuit it is integrated in the sensor.

Alternatively, the first detection circuit obtains electrical according to first drive signal and first sensing signal Feature, and determine whether the target object is genuine human body according to the electrical property feature.

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

Alternatively, the multiple sensing electrode compares first electric-conductor and second electric-conductor will be away from the mesh Mark object.

Alternatively, the first detection circuit is additionally operable to drive first electric-conductor and/or second electric-conductor to hold Row touch-sensing.

Alternatively, the sensor is fingerprint sensor.

Alternatively, when target object contacts first electric-conductor and the second electric-conductor, the sensor is compared to institute State the first electric-conductor and the second electric-conductor will be away from the target object.

Alternatively, the first detection circuit determines directly to contact first conduction according to first sensing signal Whether the target object of part and the second electric-conductor is genuine human body.

Because the sensor includes first electric-conductor and second electric-conductor, the first detection circuit is provided First signal gives first electric-conductor, and secondary signal is provided to the second electric-conductor by the intermediary element, and receives The 3rd signal exported from second electric-conductor, and contact first electric-conductor and second are determined according to the 3rd signal Whether the target object of electric-conductor is genuine human body, therefore, and whether the sensor performs biological characteristic sensing to target object Security can be improved.

Although multiple embodiments are disclosed, including its change, by having shown and described disclosed in the utility model The following detailed description of illustrative embodiment, other embodiment will show to those skilled in the art disclosed in the utility model And be clear to.Can be changed it will be recognized that the utility model is disclosed at various obvious aspects, all modifications all without departing from Spirit and scope of the present utility model.Correspondingly, accompanying drawing and detailed description should substantially be considered as illustrative, rather than limitation Property.

Brief description of the drawings

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

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

Fig. 2 is the structural representation 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 representation of another embodiment of the 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.

Embodiment

It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, below in conjunction with the accompanying drawings to this The specific embodiment of utility model is explained.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 fully and completely, And the design of example embodiment is comprehensively conveyed into those skilled in the art.It is for convenience or clear, it may exaggerate, save Omit or be schematically illustrated in every layer of thickness and size and the quantity for schematically illustrating related elements shown in accompanying drawing.Separately Outside, the size of element not exclusively reflects that actual size, and the quantity of related elements not exclusively reflect actual quantity.Because accompanying drawing The reason such as of different sizes, in different drawings shown same or similar or related elements quantity there are not consistent feelings Condition.Identical reference represents the same or similar structure of function in figure.So, it is necessary to illustrate, in order that obtaining label With regular and logicality etc., in some not be the same as Examples, the same or similar element of function or structure are employed not Same reference, 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 combined in one or more embodiments in any suitable manner In.Embodiment of the present utility model is fully understood so as to provide there is provided many details in the following description.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 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 those skilled in the art are inferred to or its educible extension after reading the application.

In description of the present utility model, it is to be understood that：It is " multiple " to include two and two or more, unless the application It is another to have clearly specific limit.In addition, the word such as " first ", " second " for occurring in each element title and signal name is not It is to limit sequencing and the quantity that element or signal occur, but for convenience of element name, clearly distinguishes each element so that Description is more succinct understandable.Further, can be expressed or implicitly include by defining the feature of " first ", " second " etc. by one Or more described features.

Also referring to Fig. 1 to Fig. 4, Fig. 1 is the structural representation 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, notebook computer 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 electric-conductor 241, the second electric-conductor 243, first and examined Slowdown monitoring circuit 251 and intermediary element 252.Insulation gap is set between first electric-conductor 241 and second electric-conductor 243. The first detection circuit 251 is connected with first electric-conductor 241, conductive with described second by the intermediary element 252 Part 242 is connected.The first detection circuit 251 is used to provide the first signal to first electric-conductor 241, passes through the centre Element 252 provides secondary signal to the second electric-conductor 243, and receives the 3rd letter exported from second electric-conductor 243 Number, and according to the 3rd signal determine to contact the electric-conductor 243 of the first electric-conductor 241 and second 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 Deng any suitable part on body.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.The fingerprint film being for example made of conductive material is a type of prosthese.It is main so that organism is human body as an example below Illustrate.

Because the first detection circuit 251 of the application electronic equipment 100 is according to the 3rd signal can determine that contact Whether the target object of the first electric-conductor 241 and second electric-conductor 243 is genuine human body, therefore, the electronic equipment 100 Security performance access raising.

It is preferred that " contact " is the meaning run into or suffered, in this application, the target object refers to directly contact institute State the object of the first electric-conductor 241 and second electric-conductor 243.For example, being connect surely on finger plaster after fingerprint film, with fingerprint film Touch first electric-conductor 241 and during second electric-conductor 243, the technical scheme of the application, which can determine that, directly contacts described the The fingerprint film of one electric-conductor 241 and second electric-conductor 243 is prosthese.

It is to be oppositely arranged between first electric-conductor 241 and second electric-conductor 243.So, first electric-conductor 241 with the second electric-conductor 243 or being disposed adjacent.

In this application, first electric-conductor 241 and second electric-conductor 243 include conductive materials, can transmit 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 of its suitable conductive material or conduction.

Further, in each embodiment of the application, first electric-conductor 241 and second electric-conductor 243 Quantity be respectively 1, so, change ground, in other embodiments, the quantity of first electric-conductor 241 is alternatively many Individual, the quantity of second electric-conductor 243 is alternatively multiple.

First signal is a constant voltage signal, and the secondary signal is the first drive signal, and the 3rd 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, generally 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 electric-conductor 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.

The first detection circuit 251 for example determines to connect according to first sensing signal and first drive signal Whether the target object for touching the electric-conductor 243 of the first electric-conductor 241 and second is genuine human body.

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

In other embodiments, it is described 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 electric-conductor 241 of contact and second electric-conductor 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, the first detection circuit 251 also can be according to described Admittance angle or/and the admittance know whether the target object of the first electric-conductor 241 of contact and the second electric-conductor 243 is genuine people Body.Due to complex admittance be complex impedance inverse, therefore, below mainly illustrated 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 with reference to the complex impedance.

In other embodiment, the first detection circuit 251 also can be according to first sensing signal with prestoring 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, the resistant series connection Between second electric-conductor 243 and the first detection circuit 251.Correspondingly, the 3rd signal be the resistance with Second electric-conductor 243 is connected the signal of side.

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

When the intermediary element 252 includes switch element, the first detection circuit 251 is controlled between the switch element Having a rest property is turned on and cut-off.When the switching elements conductive, the first detection circuit 251 is provided by the switch element of conducting Secondary signal gives the second electric-conductor 243.When the switch element ends, the first detection circuit 251 receives the described 3rd Signal.

Contact first electric-conductor 241 and described second with true finger, true finger laminating fingerprint film, fingerprint film below and lead Illustrated exemplified by electric these three situations of part 243.

Fig. 4 is referred to, when target object contacts first electric-conductor 241 and second electric-conductor 243, the mesh Object, the first electric-conductor 241, the second electric-conductor 243, detection one circuit of formation of circuit 251 of intermediary element 252 and first is marked to return Road, wherein, the target object is equivalent to being connected in series between first electric-conductor 241 and second electric-conductor 243 Circuit element.

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

Relatively, for the first above-mentioned situation, finger directly contacts first electric-conductor 241 and described second surely During electric-conductor 243, the circuit element being connected in series between first electric-conductor 241 and second electric-conductor 243 is institute State true finger.

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

Because the electrical property feature of true finger, true finger combination fingerprint film, fingerprint film is different, correspondingly, finger, true hand surely When finger combination fingerprint film, fingerprint film are connected between the first electric-conductor 241 and the second electric-conductor 243, first detection The first sensing signal that the correspondence of circuit 251 is received from the second electric-conductor 243 respectively is different, so that, first detection Circuit 251 determines to contact the target object of the electric-conductor 243 of the first electric-conductor 241 and second according to first sensing signal Whether it is genuine human body.

The electronic equipment 100 can further comprise insulating part 245.It is conductive that the insulating part 245 is arranged on described first Between part 241 and second electric-conductor 243.The insulating part 245, the electric-conductor 243 of first electric-conductor 241 and second A hollow enclosed construction or cyclic structure 24 is for example cooperatively formed jointly.The color of the insulating part 245 for example with it is described The color of first electric-conductor 241 and second electric-conductor 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 The electric electric-conductor 243 of part 241 and second 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 can be also omitted in some embodiments.

In the present embodiment, the insulating part 245, first electric-conductor 241 and second electric-conductor 243 connect It is connected in one.So, ground is changed, in other embodiments, the insulating part 245, first electric-conductor 241 and described Second electric-conductor 243 can also not connected as one.

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

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

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

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.It is mobile phone example with electronic equipment 100, it is described to protect Protecting cover plate 10 is generally transparent or translucent dielectric is made, with transmitted ray.The cover sheet 10 is, for example, glass Cover plate.The usual alternatively non-transparent of the rear shell 30.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 electric-conductor 241 and described the Two electric-conductors 243 are arranged on the through hole, so that user touches first electric-conductor 241 and second electric-conductor 243. In the present embodiment, the cyclic structure 34 is arranged on the through hole, and is formed with the through hole with cover sheet 10 Madial wall between gap it is smaller, so that user contacts or presses first electric-conductor 241 and second electric-conductor 243 When, first electric-conductor 241 and second electric-conductor 243 can relatively described cover sheet 10 move.

The electronic equipment 100 includes bio-identification module 21.The bio-identification module 21 is used to confirm that contact is biological Whether the target object for recognizing module 21 is genuine human body, and when being defined as genuine human body, performs biological information sensing. The electronic equipment 100 performs corresponding function according to the sensing result of the bio-identification module 21 correspondence, unblock of such as starting shooting, Pay, transfer accounts, starting corresponding application program (APP) etc., or, carrying out biological information registration, with carry out authentication it With.The bio-identification module 21 for fingerprint recognition module, blood oxygen identification module, heartbeat as recognized module, Pressure identification module Any one or a few combination in.

The bio-identification module 21 include first electric-conductor 241, the second electric-conductor 243, intermediary element 252, absolutely Edge part 245 and the first detection circuit 251, to perform the detection of true and false human body.In addition, the bio-identification module 20 enters One step includes sensor 25.The sensor 25 is, for example, a nude film (Die) or chip (Chip) or chipset (Chipset). The sensor 25 is used to perform biological information sensing.The electric-conductor 243 of first electric-conductor 24 and second close to or enclose Set around the sensor 25.In the present embodiment, the cyclic structure 24 is set 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 a few combination 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 Close.Further, the capacitance type sensor is, for example, mutual capacitance type sensor or self-capacitance sensor.

In some embodiments, (figure is not for example including the first pin (not shown), second pin for the sensor 25 Show) and the 3rd pin (not shown), wherein, the first detection circuit 251 is conductive with described first by first pin Part 241 is connected, and the first detection circuit 251 passes sequentially through the intermediary element 252 and the second pin and described the Two electric-conductors 242 are connected, and the first detection circuit 251 is further connected by the 3rd pin and second electric-conductor Connect.Correspondingly, the first detection circuit 251 exports first signal to first electric-conductor by first pin 241, the secondary signal is exported to second electric-conductor 243 by the intermediary element 252 and the second pin, and 3rd signal is received by the 3rd pin.

The bio-identification module 21 can further comprise flexible circuit board 26 and reinforcing plate 27.The flexible circuit board 26 For electrically connecting 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 and passed back to described The side of sensor 25, is fitted the intensity at place with strengthening flexible circuit board 26 and the sensor 25.

In the present embodiment, the bio-identification module 21 is exposed to the open air in the through hole.It is attractive in appearance for electronic equipment, It is preferred that the bio-identification module 21 further comprises cover plate 28, the cover plate 28 is arranged on the top of the sensor 25, That is, described cover plate 28 is exposed to the open air in the through hole.Wherein, when the sensor 25 is nude film, the cover plate 28 is in face of described Sensor 25 is further provided with light shield layer；During when the sensor 25 for the chip after encapsulating, formed on the sensor 25 There is packaging body.Light shield layer or the face of housing of the color of the light shield layer and the packaging body preferably with the lower section of cover sheet 10 Color is identical.The cover plate 28 is, for example, sapphire cover plate, glass cover-plate, ceramic cover plate etc..The cover plate 28 can be circular, strip The various suitable shapes such as shape, square, oval.

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

The sensor 25 includes multiple sensing electrodes and the second detection circuit 257.The bio-identification module 21 can enter One step includes control circuit 253.The multiple sensing electrode is typically arranged in array, correspondingly, and it is multiple that title is arranged in array 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.The second detection circuit 257 and institute Sensor array 255, control circuit 253 is stated to connect respectively.The control circuit 253 further detects circuit 251 with described first Connection.

Wherein, the second detection circuit 257 is used to provide the second drive signal to the sensor array 255, drives institute State sensor array 255 and perform 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.

During work, when the described first detection circuit 251 determines the mesh of the first electric-conductor 241 of contact and the second electric-conductor 243 When marking object for genuine human body, then corresponding command signal is provided and gives control circuit 253.The control circuit 253 is according to described Command signal triggering the second detection circuit 253 works, and drives the sensor array 255 to start to perform biology to genuine human body Characteristic information is sensed.

When the described first detection circuit 251 determines that the target object of contact the first electric-conductor 241 and the second electric-conductor 243 is During prosthese, then corresponding command signal is not provided and gives control circuit to control circuit 253 or the other different command signals of offer 253, the control circuit 253, which is then corresponded to, not to be triggered the second detection circuit 257 and works.

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

In the present embodiment, the first detection circuit 251, the control detection of circuit 253, second 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, it is described first detection circuit 251, control circuit 253, 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 performs biological information sensing, the first detection circuit 251 can use In providing the ground signalling (GND) to the electric-conductor 243 of the first electric-conductor 241 and second, to shield outside to sensor 25 detection interference, improves sensing precision.

Further, the first detection circuit 251 is driving the electric-conductor 243 of the first electric-conductor 241 and second Before the detection for performing true and false human body, it may also be used for provide pulse signal to the first electric-conductor 241 and the second electric-conductor 243, drive The dynamic electric-conductor 243 of first electric-conductor 241 and second performs touch-sensing.When the described first detection circuit 251 detects institute State the first electric-conductor 241 or/and after the second electric-conductor 243 touched, then provide the first drive signal to the first electric-conductor 241, And the first sensing signal of the second electric-conductor 243 output is received, to determine the first electric-conductor 241 of contact and the second electric-conductor 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, the detection of sensor 25 replaceable first circuit 251, first are led The electric electric-conductor 243 of part 241 and second performs the touch-sensing, or, the electric-conductor of the first electric-conductor 241 and second One of 243 or the two coordinate sensor 25 to perform the touch-sensing also possible.That is, described sensor 25 also can use In first carrying out touch-sensing, detect whether that target object touches the bio-identification module 21.

In addition, so that electronic equipment 100 is mobile phone as an example, the electronic equipment 100 further comprises display device, and sets In the lower section of cover sheet 10, shown with performing image.The region for defining the correspondence display picture of cover sheet 10 is viewing area, its 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 on non-display area.So, ground is changed, in other embodiments, the sensor 25 of the bio-identification module 21 also may be used Correspondence viewing area is set.In addition, the display device can also be further used as touching device, touch-sensing is performed.

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 on 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 represent 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 connected 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 area For technical staff, it is also feasible that the correspondence of electronic equipment 100, which increases or decreases some elements,.Mainly listed in the application The element related to utility model, to protrude the emphasis of utility model.

Referring to Fig. 5, structural representations of the Fig. 5 for another embodiment of cyclic structure 24 shown in Fig. 2.Embodiment party herein In formula, first electric-conductor 241 and second electric-conductor 243 are hollow enclosed construction or cyclic structure, wherein, Second electric-conductor 243 is less than the first electric-conductor 241, and positioned at the hollow region of first electric-conductor 241, insulating part 245 are arranged between first electric-conductor 241 and second electric-conductor 243.It is preferred that the insulating part 245 is also corresponded to For hollow an enclosed construction or cyclic structure, and it is one to connect first electric-conductor 241 with second electric-conductor 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 electric-conductor 241 and second electric-conductor 241 It is same or different.

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

It can be seen that, in this embodiment, without additionally independently forming insulating part 245 again, so as to save material.

Referring to Fig. 7, part-structure schematic diagrams of the Fig. 7 for 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 electric-conductor 241 is housed and exposed with second electric-conductor 243 Described through hole H1, H2 are exposed at, to be contacted by target object.

In this embodiment, sensor 25 may be provided at the lower section of cover sheet 10, for example, correspond to the cover sheet Region between two strip through-hole H1, H2 on 10 is set.Correspondingly, cover plate 28 can be omitted.

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

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

In other change embodiments, the through hole is for example set on shell 30 in the rear, first electric-conductor 241 Exposed to the open air with the second electric-conductor 243 in the through hole, the correspondence of sensor 25 via regions are set.Described first is conductive The electric-conductor 243 of part 241 and second is compared to the sensor 25 closer to the outer surface of the rear shell 30.

Or, the through hole is arranged on the side wall of the shell correspondence electronic equipment 100, the corresponding institute of sensor 25 State via regions setting.

Further, the electronic equipment of prior art generally sets a button groups with fingerprint recognition module in front Part, lacks entity touch key-press, causes user poor to the usage experience of electronic equipment.

To solve this technical problem, the application is proposed：Made using the electric-conductor 243 of the first electric-conductor 241 and second For touch key-press.The first detection circuit 251 is used to drive first electric-conductor 241 and second electric-conductor 243 to hold Row touch-sensing.

Because the application is made in the case where not increasing touch electrode using the first electric-conductor 241 and the second electric-conductor 243 For touch key-press, so that, the user experience of electronic equipment 100 can be improved.

First electric-conductor 241 can such as be used separately as similar and different first of function with second electric-conductor 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 any 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 then reduces key for volume；When first touch key-press For to the left or scroll up key when, second touch key-press correspondence is then to the right or to scroll down through key；When the described first touch When button is Page Up, when second touch key-press is then Page Down.The application is simply illustratively listed herein First electric-conductor 241 and the second electric-conductor 243 are as the touch key-press of some functions, and so, the application is not limited thereto, described First electric-conductor 241 and second electric-conductor 243 or the touch key-press of other functions, for example, when taking pictures or imaging, First electric-conductor 241 also respectively as enlargement key (Zoom In) and can reduce key (Zoom with second electric-conductor 243 Out) etc..First electric-conductor 241 and touch key-press of second electric-conductor 243 as which kind of function, manufacturer or user Can flexibly it be set as needed.

According to function set in advance, when the electric-conductor 243 of the first electric-conductor 241 and second is touched as touch key-press When touching, the correspondence of processor 40 control electronics 100 perform corresponding function.

Citing, when browsing webpage, user can accordingly control webpage to carry out upward by touching the first electric-conductor 241 Roll.

So, when 25 pairs of genuine human bodies of sensor perform biological information sensing, the first detection circuit 251 is provided The ground signalling gives the electric-conductor 243 of the first electric-conductor 241 and second.

In addition, when the bio-identification module 21 is triggered execution biological information sensing, the first detection electricity Road 251 also can first drive the electric-conductor 243 of the first electric-conductor 241 and second to perform touch-sensing.After touch is detected, then The electric-conductor 243 of the first electric-conductor 241 and second is driven to perform true and false human body sensing.When it is determined that contact first electric-conductor 241 and second target object of electric-conductor 243 when being genuine human body, the sensor 25 starts to perform genuine human body biological special Reference breath sensing.

For example, when user is paid using wechat and needs to perform biological information sensing, the correspondence of processor 40 is touched Hair bio-identification module 21 works.Correspondingly, when described first detection circuit 251 detect first electric-conductor 241 or/and When second electric-conductor 243 is touched by target object, the first detection circuit 251 then detects contact first electric-conductor 241 and second the target object of electric-conductor 243 whether be genuine human body；Relatively, when user carries out web page browsing without holding When row biological information is sensed, the first detection circuit 251 drives the first electric-conductor 241 and the second electric-conductor 243 to perform Touch-sensing, now, the electric-conductor 243 of the first electric-conductor 241 and second are used separately as touch key-press, when the first detection circuit 251 are detected after the touch of target object, and the processor 40 is then set according to default touch key-press function correspondence control electronics Standby 100 perform corresponding function, such as page turning.

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

It can be seen that, the bio-identification module 21 of the electronic equipment 100 of the application includes the first electric-conductor 241 being separated and the Two electric-conductors 243, can not only realize the detection of true and false human body, also can as similar and different function touch key-press.Correspondingly, The electronic equipment 100 can further lift 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 or/and pressing area of the target object.What first sensing signal or measurement were obtained answers Impedance changes with the pressing dynamics of the target object or/and the change of area.

Correspondingly, the first detection circuit 251 is in the target to the first electric-conductor 241 of contact and the second electric-conductor 243 When object carries out the detection of true and false human body, accurate for detection, such as impedance or/and impedance angle for complex impedance take one section Average in detection time determines whether the target object is genuine human body.

For the first electric-conductor 241 and the second electric-conductor 243 of the respective embodiments described above, for example, it is all or part of conduction Material.

Further, such as considering for product appearance, such as the ring-type knot for the embodiment shown in Fig. 2 and Fig. 5 Structure 24, in the case where ensureing the sensing precision of true and false human body, can also wrap up insulating barrier, example in the outer surface of cyclic structure 24 Such as, insulating tape.So as to which the appearance of cyclic structure 24 is a color identical complete structure.

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

Claims

1. a kind of sensor, including：

First pin, for being connected with the first electric-conductor；

Second pin, for being connected with the second electric-conductor；

3rd pin, for being connected with the second electric-conductor；

Intermediary element, is connected with the second pin；With

First detection circuit, is connected with first electric-conductor by first pin, passes through the intermediary element and the Two pins are connected with second electric-conductor, and are connected by the 3rd pin with second electric-conductor, the first detection electricity Road is used to provide a constant voltage signal to first electric-conductor by the first pin, passes through the intermediary element and second Pin provides the first drive signal and receives what is exported from the second electric-conductor to second electric-conductor, and by the 3rd pin First sensing signal, and according to the mesh of first sensing signal determination contact first electric-conductor and second electric-conductor Mark whether object is genuine human body.

2. a kind of sensor, is arranged in an electronic equipment, it is conductive that the electronic equipment includes shell, the first electric-conductor and second Part, wherein, through hole is set on the shell, and first electric-conductor and second electric-conductor are exposed to the open air in the through hole, and The neighbouring sensor is set, and the sensor includes：

First pin, for being connected with first electric-conductor；

Second pin, for being connected with second electric-conductor；

3rd pin, for being connected with the second electric-conductor；

Intermediary element, is connected with the second pin；With

3. sensor as claimed in claim 1 or 2, it is characterised in that：The constant voltage signal is ground signalling.

4. sensor as claimed in claim 1 or 2, it is characterised in that：The intermediary element includes sectional pressure element, switch member Any one in part or combination.

5. sensor as claimed in claim 4, it is characterised in that：When the intermediary element includes sectional pressure element, described point Element is pressed to include resistance, the resistant series are connected between second electric-conductor and the first detection circuit.

6. sensor as claimed in claim 1 or 2, it is characterised in that：First sensing signal be the intermediary element with Second electric-conductor is connected the signal of side.

7. sensor as claimed in claim 5, it is characterised in that：When the target object contacts first electric-conductor and institute When stating the second electric-conductor, the target object is to be connected in series with the resistance.

8. sensor as claimed in claim 4, it is characterised in that：When the intermediary element includes switch element, described the One detection circuit controls the switch element intermittent conduction and cut-off.

9. sensor as claimed in claim 8, it is characterised in that：When the switching elements conductive, the first detection electricity Road provides the first drive signal to the second electric-conductor by the switch element of conducting；When the switch element ends, described One detection circuit receives the first sensing signal from second electric-conductor.

10. sensor as claimed in claim 1 or 2, it is characterised in that：Contact first is determined according to the described first detection circuit Whether the target object of electric-conductor and the second electric-conductor is genuine human body, and whether the sensor correspondence is held to the target object Row biological information is sensed.

11. sensor as claimed in claim 10, it is characterised in that：When the described first detection circuit determines contact described first When the target object of electric-conductor and the second electric-conductor is genuine human body, the sensor starts to perform biology to the target object Characteristic information is sensed.

12. sensor as claimed in claim 11, it is characterised in that：The sensor includes multiple sensing electrodes and the second inspection Slowdown monitoring circuit, the second detection circuit is used to provide the second drive signal to the multiple sensing electrode, drives the multiple sense Survey electrode and perform biological information sensing, and receive the second sensing signal exported from the multiple sensing electrode, with root The biological information of the target object input is determined according to second sensing signal.

13. sensor as claimed in claim 12, it is characterised in that：The bio-identification module further comprises control electricity Road, the control circuit connects the first detection circuit and the second detection circuit respectively, when the described first detection circuit It is determined that when the target object of contact first electric-conductor and the second electric-conductor is genuine human body, then corresponding to the corresponding instruction of output Signal gives the control circuit, and control circuit correspondence triggering the second detection circuit starts to drive the multiple sensing electricity Pole performs biological information sensing.

14. sensor as claimed in claim 13, it is characterised in that：The control circuit and/or the first detection circuit It is integrated in the sensor.

15. sensor as claimed in claim 11, it is characterised in that：When the sensor performs biological information sensing When, the first detection circuit is used to provide ground signalling to first electric-conductor and second electric-conductor.

16. sensor as claimed in claim 1 or 2, it is characterised in that：The first detection circuit is according to the described first driving Signal and first sensing signal obtain electrical property feature, and determine whether the target object is true according to the electrical property feature Human body.

17. sensor as claimed in claim 1 or 2, it is characterised in that：The first detection circuit is according to the described first sensing Signal and first drive signal obtain complex impedance feature, and the impedance in the complex impedance feature or/and impedance angle Whether determine the target object is genuine human body.

18. sensor as claimed in claim 13, it is characterised in that：The multiple sensing electrode compares first electric-conductor Will be away from the target object with second electric-conductor.

19. sensor as claimed in claim 1 or 2, it is characterised in that：The first detection circuit is additionally operable to driving described the One electric-conductor and/or second electric-conductor perform touch-sensing.

20. sensor as claimed in claim 1 or 2, it is characterised in that：The sensor is fingerprint sensor.

21. sensor as claimed in claim 1 or 2, it is characterised in that：When target object contacts first electric-conductor and the During two electric-conductors, the sensor will be away from the target object compared to first electric-conductor and the second electric-conductor.

22. sensor as claimed in claim 1 or 2, it is characterised in that：The first detection circuit is according to the described first sensing Whether signal is genuine human body come the target object for determining directly to contact first electric-conductor and the second electric-conductor.