CN206339960U - A kind of sensor shift control module - Google Patents
A kind of sensor shift control module Download PDFInfo
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- CN206339960U CN206339960U CN201621329762.7U CN201621329762U CN206339960U CN 206339960 U CN206339960 U CN 206339960U CN 201621329762 U CN201621329762 U CN 201621329762U CN 206339960 U CN206339960 U CN 206339960U
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- sensor
- control module
- shift control
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Abstract
The utility model discloses a kind of sensor shift control module, for a sensing device, the sensing device includes a central processing unit, the sensor shift control module, an induction installation, a sensor and a touch chip.Wherein, the sensor shift control module, the induction installation, the sensor and the touch chip are electrically connected with the central processing unit, the sensor and the touch chip are electrically connected with the sensor shift control module, and the sensor and the touch chip are electrically connected with the induction installation.The sensor shift control module controls the break-make electricity condition of the sensor and the touch chip by the sensor shift control module.The sensor and the touch chip share the induction installation, operationally without interfering with each other, and shorten conversion time without call induction installation respectively in transfer process, and Consumer's Experience is good.
Description
Technical field
The utility model is related to field of sensing technologies, more specifically to a kind of sensor shift control module.
Background technology
Capacitive fingerprint sensing device is widely used, and it is widely used in the fields such as a door lock, fingerprint clocking-in machine, safety box,
With developing rapidly for mobile terminal, capacitive fingerprint sensing device is in mobile terminal (such as mobile phone, flat board, Intelligent bracelet) side
Face is also widely used.Existing capacitance type sensor and a driving ring collectively constitute a sensor conversion and control mould
Block, driving ring and sensor electrical connection, driving ring receives the electrostatic signal of human body, and accumulates substantial amounts of electric charge, preferably to drive
Dynamic working sensor, is compared so as to extract the fingerprint image of more high-quality and be transferred to central processing unit.Existing electricity
Capacity sensor generally can also set a touch detection module to be connected thereto and use cooperatively, and touch detection module includes one and touches core
Piece and an induction electrode, induction electrode are electrically connected with touching chip, and wherein induction electrode is used to detect that whether user touches, and uses
Family touch sensible electrode, induction electrode touches chip output pin conveying high level signal extremely to chip transmission electric signal is touched
Central processing unit, central processing unit sends command adapted thereto to perform associative operation further according to the signal received.From the foregoing,
Capacitance type sensor improves performance by the driving ring of installation in connection, and touching chip needs the sensing of installation in connection
Electrode is to realize its function, and driving ring is similar with the function that induction electrode is realized, is reception static electricity on human body, and repetition is set
Put and add equipment complexity and cost.Sensor shift control module and touch detection module set driving ring and sense respectively
Electrode is answered, can also increase the difficulty disturbed between two modules of processing, add R＆D costs.Sensor shift control module and
Touch detection module calls driving ring and induction electrode respectively, and conversion time is long, while the operand of central processing unit can be increased,
The time required to increase processing, Consumer's Experience is influenceed.
Utility model content
The purpose of this utility model is to provide a kind of sensor shift control module, for sensing device, the sensing
Device includes a central processing unit, the shift control module, an induction installation, a sensor and a touch chip, described
Sensor shift control module controls the induction installation respectively as the driving ring and the touch chip of the sensor
Induction electrode, the sensor shift control module is integrated with touch chip, while realizing sensor fingerprint collection and touching inspection
Brake, and the sensor shift control module is simple in construction.
Another purpose of the present utility model is to provide a sensor shift control module, described for sensing device
Sensing device includes a central processing unit, the sensor shift control module, an induction installation, a sensor and a touch
Chip, the sensor shift control module controls the induction installation respectively as the driving ring of the sensor and described touched
The induction electrode of chip is touched, interfering for interelement is effectively reduced.
Another purpose of the present utility model is to provide a sensor shift control module, described for sensing device
Sensing device includes a central processing unit, a control module, an induction installation, a sensor and a touch chip, the biography
Sensor shift control module controls the induction installation respectively as the driving ring of the sensor and the sense of the touch chip
Electrode is answered, the conversion speed between sensor function and touch detection function is fast, and Consumer's Experience is good.
In order to achieve the above object, the utility model provides a kind of sensor shift control module, for a sensing device,
The sensing device includes：
One central processing unit, the sensor shift control module, an induction installation, a sensor and one touch core
Piece, the sensor shift control module is electrically connected with the central processing unit, and the sensor shift control module
Break-make electricity condition controlled by the central processing unit, the induction installation is electrically connected with the central processing unit, the sensing
Device is electrically connected with the sensor shift control module, and the sensor is electrically connected with the induction installation, and the sensor
Break-make electricity condition controlled by the sensor shift control module, touch chip and the sensor shift control module
Electrical connection, the touch chip is electrically connected with the induction installation, and the break-make electricity condition for touching chip is by the sensing
Device shift control module is controlled.
Preferably, the sensor shift control module includes an analog switch chip and a p-type metal-oxide-semiconductor, and the p-type
The state of metal-oxide-semiconductor is controlled by the analog switch chip.
Preferably, the analog switch chip has one first pin, a second pin and one the 3rd pin, and described
Analog switch chip is electrically connected by the second pin with the induction installation.
Preferably, the p-type metal-oxide-semiconductor 202 has a source S, a grid G and a drain D, and the p-type metal-oxide-semiconductor
The source S is electrically connected with the analog switch chip by first pin, the p-type metal-oxide-semiconductor by the grid G with
The sensor electrical connection, the p-type metal-oxide-semiconductor is electrically connected by the drain D with the touch chip.
Preferably, the p-type metal-oxide-semiconductor is electrically connected by the 3rd pin with the analog switch chip, the p-type
Metal-oxide-semiconductor receives the electric signal from the analog switch chip by the 3rd pin, and the p-type metal-oxide-semiconductor connects according to it
The electric signal received changes its state.
Preferably, the sensor has a driving pin, and the sensor passes through the driving pin and the sensing
Device is electrically connected.
Preferably, it is described touch chip have one touch pin, the touch chip by it is described touch pin with it is described
Induction installation is electrically connected.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structure being arranged on as shown in Figure 1 for a kind of sensor shift control module of the present utility model in sensing device is shown
It is intended to.
It is illustrated in figure 2 the centre for the sensing device that a kind of sensor shift control module of the present utility model is installed
Manage the schematic diagram of device.
It is illustrated in figure 3 a kind of schematic diagram of sensor shift control module of the present utility model.
It is illustrated in figure 4 the sensor for the sensing device that a kind of sensor shift control module of the present utility model is installed
Schematic diagram.
It is illustrated in figure 5 the touch core for the sensing device that a kind of sensor shift control module of the present utility model is installed
The schematic diagram of piece.
Embodiment
As shown in figure 1, being arranged on the structure in sensing device for a kind of sensor shift control module of the present utility model
Schematic diagram.The sensing device include a central processing unit 10, the sensor shift control module 20, an induction installation 30,
One sensor 40 and one touches chip 50.Wherein, the sensor shift control module 20, induction installation 30, described
Sensor 40 and the touch chip 50 are electrically connected with the central processing unit 10, the sensor 40 and the touch core
Piece 50 is electrically connected with the sensor shift control module 20, the sensor 40 and it is described touch chip 50 with the sense
Device 30 is answered to electrically connect.The sensor shift control module controls the sensing by the sensor shift control module 20
Device 40 and the break-make electricity condition for touching chip 50, the induction installation 30 are remained powered on.When sensor conversion
Control module 20 controls the sensor 40 to be powered and the touch chip 50 when powering off, the induction installation 30 and the sensing
The cooperating of device 40, the induction installation 30 is as the driving ring of the sensor 40, and the fingerprint for improving the sensor 40 adopts
Collect quality；When the sensor shift control module 20 control it is described touch chip 50 be powered and the sensor 40 power-off when,
The induction installation 30 is used as the touch for touching chip 50 with the touch cooperating of chip 50, the induction installation 30
Electrode, realizes the function whether the touch chip 50 detection user touches.The timesharing of induction installation 30 is used as the sensing
The touch electrode of the driving ring of device 40 or the touch chip 50, without being that the sensor 40 and the touch chip are set respectively
Independent sensing device is put, the sensing device is simple in construction.
As shown in Fig. 2 showing for the central processing unit 10 of the sensor shift control module of the present utility model
It is intended to.The central processing unit 10 is electrically connected with the induction installation 30, at the same the central processing unit 10 also with the sensing
Device shift control module 20 is electrically connected.The sensor shift control module 20 controls its power on/off by the central processing unit 10
State, and the sensor shift control module 20 is generally in "on" position.The central processing unit 10 is to the sensor
Shift control module 20 sends electric signal, and the central processing unit 10 is received from the sensor shift control module 20
Electric signal.The central processing unit 10 is electrically connected with the sensor 40 and the touch chip 50 simultaneously, but the centre
Reason device 10 do not control directly the sensor 40 and it is described touch chip 50 break-make electricity condition, the central processing unit 10 with
Information transfer is only carried out by electric signal between the sensor 40 and the touch chip 50.The induction installation 30 is by described
Central processing unit 10 controls its break-make electricity condition, and the induction installation 30 is generally in "on" position.
As shown in figure 3, being the schematic diagram of the sensor shift control module 20 of the present utility model.The sensor turns
Changing control module 20 includes an analog switch chip 201, a p-type metal-oxide-semiconductor 202, a resistance 203 and many connecting lines.It is described
Analog switch chip 201 has one first pin 2011, a second pin 2012 and one the 3rd pin 2013, and the simulation
Switch chip 201 is electrically connected by the second pin 2012 with the induction installation 30.The analog switch chip 201 is received
Electric signal from the central processing unit 10, and electric signal is sent to the p-type metal-oxide-semiconductor 202 according to the electric signal received,
P-type metal-oxide-semiconductor 202 receives the electric signal from the analog switch chip 101, and changes its shape according to the electric signal received
State.The p-type metal-oxide-semiconductor 202 has a source S, a grid G and a drain D, and the p-type metal-oxide-semiconductor 202 passes through the source S
Electrically connected with the analog switch chip 201 by first pin 2011, the p-type metal-oxide-semiconductor 202 passes through the grid G
Electrically connected with the sensor 40, the p-type metal-oxide-semiconductor 202 is electrically connected by the drain D with the touch chip 50.The P
Type metal-oxide-semiconductor 201 is also electrically connected by the 3rd pin 2013 with the analog switch chip 201, and the p-type metal-oxide-semiconductor 202 leads to
Cross the 3rd pin 2013 and receive the electric signal from the analog switch chip 201, and the p-type metal-oxide-semiconductor 201 is according to it
The electric signal received changes its state, so that the break-make electricity condition of the grid G and the drain D is controlled, further control
The sensor 40 and the break-make electricity condition for touching chip 50.Due to the characteristic of the p-type metal-oxide-semiconductor 202, the grid G
It is "on" position that can only have one in the same time with the drain D, and another is off-position, i.e., the described He of sensor 40
It is described touch chip 50 same time only one of which be in "on" position, it is ensured that the induction installation 30 the same time only
With the sensor 40 and the cooperating touched in chip 50, interference is not present mutually.The sensor conversion
Control module 20 is grounded by the resistance 203.
As shown in figure 4, the schematic diagram of the sensor 40 for the sensor shift control module of the present utility model.
The sensor 40 has a driving pin 401, and the sensor 40 passes through the driving pin 401 and the induction installation 30
Electrical connection.User contacts the induction installation 30 simultaneously when contacting the sensor 40 with hand, and the induction installation 30 connects
The electrostatic signal of human body is received, and the induction installation 30 accumulates a large amount of electric charges, the electricity that the induction installation 30 is accumulated by it
The fingerprint image that lotus collects the sensor 40 becomes apparent from.The information in fingerprint that the sensor 40 is collected
The central processing unit 10 is transferred to the pattern of electric signal, the central processing unit 10 is stored with the user of advance typing in itself
Information in fingerprint, the information in fingerprint that the central processing unit 10 is received and the information in fingerprint of advance typing
It is compared, and is instructed according to comparison result transmission to corresponding device to complete corresponding action, such as unlocking.
It is illustrated in figure 5 the signal of the touch chip 50 of the sensor shift control module of the present utility model
Figure.The touch chip 50 has one to touch pin 501, and the touch chip 50 passes through the touch pin 501 and the sense
Device 30 is answered to electrically connect.User contacts the induction installation 30 with hand, and the induction installation 30 receives the electrostatic signal of human body,
The electrostatic signal received is converted into electric charge and is delivered to the touch chip 50, the touch core by the induction installation 30 simultaneously
Piece 50 sends an electric signal to the central processing unit 10, and the central processing unit 10 performs phase according to the electric signal received
The operation answered.
It is specifically described below with the working method of the sensor shift control module.Under usual state, institute
The sensor 40 for stating sensor shift control module is in off-position, and the touch chip 50 is in "on" position, this
Shi Suoshu induction installations 30 are used as the induction electrode for touching chip 50, when user touches the induction installation 30, institute
The electrostatic signal that induction installation 30 receives human body is stated, while the electrostatic signal received is converted into electric charge by the induction installation 30
The touch chip 50 is delivered to, the touch chip 50 sends an electric signal, the center to the central processing unit 10
Processor 10 receives the backward sensor shift control module 20 of electric signal and sends electric signal, the sensor conversion and control
Module 20 receives signal, controls the p-type metal-oxide-semiconductor 201 to be powered to its grid S, so that the sensor 40 switchs to energization shape
State, the touch chip 50 switchs to off-position, and now the induction installation 30 is used as the driving ring of the sensor 40
Person contacts the induction installation 30 when contacting the sensor 40 with hand simultaneously, and the induction installation 30 receives the electrostatic of human body
Signal, and the induction installation 30 accumulates a large amount of electric charges, and the induction installation 30 makes the sensing by its electric charge accumulated
The fingerprint image that device 40 is collected becomes apparent from.The information in fingerprint that the sensor 40 is collected is with the mould of electric signal
Formula is transferred to the central processing unit 10, and the central processing unit 10 is stored with the user fingerprint image letter of advance typing in itself
Breath, the information in fingerprint and the information in fingerprint of advance typing that the central processing unit 10 is received is compared,
And operated according to comparison result transmission instruction to corresponding device with completing unlocking etc..The sensor 40 and the touch chip
50 share the induction installation 30, and are worked during due to the sensor 40 and the different touch chip 50, the sensing
Device 40 and the touch chip 50 share the induction installation 30 and economized on resources operationally without interfering with each other, the sensor
40 and the touch chip 50 in handoff procedure without call induction installation respectively, shorten conversion time, Consumer's Experience is good.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
1. a kind of sensor shift control module, for a sensing device, the sensing device includes：
One central processing unit, the sensor shift control module, an induction installation, a sensor and one touch chip, its
It is characterised by, the sensor shift control module is electrically connected with the central processing unit, and the sensor conversion and control mould
The break-make electricity condition of block is controlled by the central processing unit, and the induction installation is electrically connected with the central processing unit, described to pass
Sensor is electrically connected with the sensor shift control module, and the sensor is electrically connected with the induction installation, and the sensing
The break-make electricity condition of device is controlled by the sensor shift control module, the touch chip and the sensor conversion and control mould
Block is electrically connected, and the touch chip is electrically connected with the induction installation, and the break-make electricity condition for touching chip is passed by described
Sensor shift control module is controlled.
2. sensor shift control module as claimed in claim 1, it is characterised in that the sensor shift control module bag
An analog switch chip and a p-type metal-oxide-semiconductor are included, and the state of the p-type metal-oxide-semiconductor is controlled by the analog switch chip.
3. sensor shift control module as claimed in claim 2, it is characterised in that the analog switch chip has one the
One pin, a second pin and one the 3rd pin, and the analog switch chip passes through the second pin and the sensing
Device is electrically connected.
4. sensor shift control module as claimed in claim 3, it is characterised in that the p-type metal-oxide-semiconductor 202 has a source
Pole S, a grid G and a drain D, and the source S and the analog switch chip of the p-type metal-oxide-semiconductor pass through described the
One pin is electrically connected, and the p-type metal-oxide-semiconductor is electrically connected by the grid G with the sensor, and the p-type metal-oxide-semiconductor passes through described
Drain D is electrically connected with the touch chip.
5. sensor shift control module as claimed in claim 4, it is characterised in that the p-type metal-oxide-semiconductor passes through the described 3rd
Pin is electrically connected with the analog switch chip, and the p-type metal-oxide-semiconductor is received by the 3rd pin and comes from the analog switch
The electric signal of chip, and the electric signal that the p-type metal-oxide-semiconductor is received according to it changes its state.
6. sensor shift control module as claimed in claim 1, it is characterised in that there is the sensor driving to draw
Pin, the sensor is electrically connected by the driving pin with the induction installation.
7. sensor shift control module as claimed in claim 1, it is characterised in that there is the touch chip touch to draw
Pin, the touch chip is electrically connected by the touch pin with the induction installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329762.7U CN206339960U (en) | 2016-12-02 | 2016-12-02 | A kind of sensor shift control module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329762.7U CN206339960U (en) | 2016-12-02 | 2016-12-02 | A kind of sensor shift control module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339960U true CN206339960U (en) | 2017-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329762.7U Active CN206339960U (en) | 2016-12-02 | 2016-12-02 | A kind of sensor shift control module |
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| CN (1) | CN206339960U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940726A (en) * | 2018-09-21 | 2020-03-31 | 三星电子株式会社 | Electronic device comprising a gas sensor and method of operating the electronic device |
| CN110971224A (en) * | 2019-11-28 | 2020-04-07 | 江苏理工学院 | A control circuit and non-contact switch |
-
2016
- 2016-12-02 CN CN201621329762.7U patent/CN206339960U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940726A (en) * | 2018-09-21 | 2020-03-31 | 三星电子株式会社 | Electronic device comprising a gas sensor and method of operating the electronic device |
| CN110940726B (en) * | 2018-09-21 | 2024-04-30 | 三星电子株式会社 | Electronic device comprising a gas sensor and method of operating the same |
| CN110971224A (en) * | 2019-11-28 | 2020-04-07 | 江苏理工学院 | A control circuit and non-contact switch |
| CN110971224B (en) * | 2019-11-28 | 2023-09-22 | 江苏理工学院 | Control circuit and contactless switch |
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