CN203643947U - Sensing identification circuit and device as well as mobile terminal - Google Patents
Sensing identification circuit and device as well as mobile terminal Download PDFInfo
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- CN203643947U CN203643947U CN201320751562.0U CN201320751562U CN203643947U CN 203643947 U CN203643947 U CN 203643947U CN 201320751562 U CN201320751562 U CN 201320751562U CN 203643947 U CN203643947 U CN 203643947U
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Abstract
The utility model is applicable to the electronic field, and provides a sensing identification circuit and device as well as a mobile terminal. The circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C1, a capacitor C2, an infrared LED 1, an infrared LED 2, an infrared LED 3, a sensor, and a master control processing unit, wherein one ends of the resistor R1, the resistor R2 and the resistor R3 are connected with a first power supply, the other ends of the resistor R1, the resistor R2 and the resistor R3 are connected with the control end of the master control processing unit; the sensor is connected with the other ends of the resistor R1, the resistor R2 and the resistor R3 respectively; the power supply end of the sensor is grounded through the capacitor C1; the input end of the sensor is connected with the cathodes of the three infrared LEDs respectively; the anodes of the infrared LEDs are in voltage connection with a second power supply through the resistor R4, and are grounded through the capacitor C2. According to the utility model, the sensor is controlled by the master control processing unit to drive the infrared LEDs, and gestures are identified according to the light source variation sequence of the infrared LEDs, so that the non-touch control type operation can be realized, and the user experience is enhanced.
Description
Technical field
The utility model belongs to electronic applications, relates in particular to a kind of sensing identification circuit, device and mobile terminal.
Background technology
Current, in order significantly to promote end-user experience, make the use of end product more directly perceived, more intelligent, increasing electronic product has been equipped with advanced man-machine interface, for example many digital products adopt capacitive touch screen to replace button operation, but, need touch that armrest refers to slide to realize that end product is carried out to feature operation and can not meet the demand for experience of modern people for man-machine interface, in the time that user's inconvenience directly contacts end product with hand, for example, while having greasy dirt on hand, be not easy to carry out feature operation.
Utility model content
The object of the utility model embodiment is to provide a kind of sensing identification circuit, is intended to solve current user and is inconvenient to use hand control end product to carry out the problem of feature operation.
The utility model embodiment is achieved in that a kind of sensing identification circuit, and described circuit comprises:
Identify gesture motion by infrared LEDs, and gesture motion is converted to the sensor of corresponding electric signal;
Electric signal corresponding gesture motion is converted to the master control processing unit of control signal practical function control;
The power end of described master control processing unit is connected with the first supply voltage, described resistance R 1, described resistance R 2, one end of described resistance R 3 is connected with described the first supply voltage simultaneously, described resistance R 1, described resistance R 2, the other end of described resistance R 3 respectively with the first control end of described master control processing unit, the second control end, the 3rd control end connects, the earth terminal ground connection of described master control processing unit, the data terminal of described sensor, clock end, interrupt output end respectively with described resistance R 1, described resistance R 2, the other end of described resistance R 3 connects, and the power end of described sensor is connected with the first supply voltage, and the power end of described sensor is simultaneously by described capacitor C 1 ground connection, the first input end of described sensor, the second input end, the 3rd input end respectively with described infrared LEDs 1, described infrared LEDs 2, the negative electrode of described infrared LEDs 3 connects, described infrared LEDs 1, described infrared LEDs 2, the anode of described infrared LEDs 3 is connected with second source voltage by described resistance R 4 simultaneously, described infrared LEDs 1, described infrared LEDs 2, the anode of described infrared LEDs 3 is also by described capacitor C 2 ground connection, the earth terminal ground connection of described sensor.
Further, described master control processing unit is MCU.
Further, described sensor comprises:
Infrared light induction module, visible ray induction module, sensor processing module, sensor control module, infrared LEDs driver;
The output terminal of described infrared light induction module and described visible ray induction module is connected with the infrared light induction end of described sensor processing module and visible ray induction end, the output terminal of described sensor processing module is connected with the control end of described sensor control module, the data terminal of described sensor control module, clock end, interrupt output end is respectively the data terminal of described sensor, clock end, interrupt output end, the output terminal of described sensor control module is connected with the input end of described infrared LEDs driver, the first drive end of described infrared LEDs driver, the second drive end, the 3rd drive end is respectively the first input end of described sensor, the second input end, the 3rd input end.
Further, described sensor also comprises:
Voltage adjuster, the input end of described voltage adjuster is connected with the power end of described sensor, and the output terminal of described voltage adjuster is connected with the power end of described sensor processing module and described sensor control module.
Further, described sensor also comprises:
Temperature detecting module, the output terminal of described temperature detecting module is connected with the temperature detection end of described sensor processing module.
Further, described sensor processing module 113 comprises:
Microprocessor, AD converter and wave filter;
Infrared light induction end, visible ray induction end and the temperature detection end of described microprocessor is infrared light induction end, visible ray induction end and the temperature detection end of described sensor processing module, the output terminal of described microprocessor is connected with the input end of described AD converter, the output terminal of described AD converter is connected with the input end of described wave filter, and the output terminal of described wave filter is the output terminal of described sensor processing module.
Further, described microprocessor is AMUX.
Further, described sensor control module comprises:
Sequential logic control module, register and crystal oscillator;
The input end of described sequential logic control module is the control end of described sensor control module, the output terminal of described sequential logic control module is connected with the input end of described register, the data terminal of described register, clock end, interrupt output end are respectively data terminal, clock end, the interrupt output end of described sensor control module, the output terminal of described crystal oscillator is connected with the clock end of described sequential logic control module, and the output terminal of described sequential logic control module is the output terminal of described sensor control module.
Another object of the utility model embodiment is to provide a kind of sensing recognition device that adopts above-mentioned sensing identification circuit.
Another object of the utility model embodiment is to provide a kind of mobile terminal that adopts above-mentioned sensing recognition device.
The utility model embodiment drives infrared LEDs by master control processing unit control sensor, and the order changing according to infrared LEDs light source is identified gesture, mobile terminal is realized without touch control type operation in certain area, thereby make smart mobile phone without the repertoire that capacitive touch screen can be realized at present such as the input of touch word, screen slip, telephone receiving, greatly to have strengthened user's experience.
Accompanying drawing explanation
The structural drawing of the sensing identification circuit that Fig. 1 provides for the utility model one embodiment;
The structural drawing of sensor in the sensing identification circuit that Fig. 2 provides for the utility model one embodiment;
The exemplary circuit structural drawing of sensor in the sensing identification circuit that Fig. 3 provides for the utility model one embodiment;
The layout structure figure of the sensing identification circuit middle infrared (Mid-IR) LED that Fig. 4 provides for the utility model one embodiment in mobile terminal.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment drives infrared LEDs by master control processing unit control sensor, and according to the order of infrared LEDs light source variation, gesture is identified, and mobile terminal is realized without touch control type operation in certain area, has greatly strengthened user's experience.
Fig. 1 shows the structure of the sensing identification circuit that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model.
As the utility model one embodiment, this sensing identification circuit can be applied in the mobile terminals such as various smart mobile phones and panel computer, and this sensing identification circuit comprises:
Identify gesture motion by infrared LEDs, and gesture motion is converted to the sensor 11 of corresponding electric signal;
Electric signal corresponding gesture motion is converted to the master control processing unit 12 of control signal practical function control;
The power end of master control processing unit 12 is connected with the first supply voltage 3.3V, resistance R 1, resistance R 2, one end of resistance R 3 is connected with the first supply voltage 3.3V simultaneously, resistance R 1, resistance R 2, the other end of resistance R 3 respectively with the first control end of master control processing unit 12, the second control end, the 3rd control end connects, the earth terminal ground connection of master control processing unit 12, the data terminal SDA of sensor 11, clock end SCL, interrupt output end INT respectively with resistance R 1, resistance R 2, the other end of resistance R 3 connects, and the power end of sensor 11 is connected with the first supply voltage 3.3V, and the power end of sensor 11 passes through capacitor C 1 ground connection, the first input end In_LED1 of sensor 11 simultaneously, the second input end In_LED2, the 3rd input end In_LED3 respectively with infrared LEDs 1, infrared LEDs 2, the negative electrode of infrared LEDs 3 connects, infrared LEDs 1, infrared LEDs 2, the anode of infrared LEDs 3 is connected with second source voltage 4.3V by resistance R 4 simultaneously, infrared LEDs 1, infrared LEDs 2, the anode of infrared LEDs 3 also passes through capacitor C 2 ground connection, the earth terminal ground connection of sensor 11.
As the utility model one embodiment, master control processing unit 12 can adopt micro-control unit (Microcontroller Unit, MCU) to realize, and also can adopt other microprocessor controllers to realize.
In the utility model embodiment, infrared LEDs (Light-Emitting Diode, light emitting diode) is a kind of light emitting diode, can launch the Infrared in certain wavelength band, mainly realizes the transmitting of Infrared.
The master control processing unit 12 of mobile terminal (for example smart mobile phone) sends instruction by iic bus to sensor 11, in the time that sensor 11 receives the instruction of master control processing unit 12, sensor 11 just starts proximity induction and measures (gesture identification), drive infrared LEDs, carry out the identification of gesture motion according to the light source variation order of infrared LEDs, and recognition result is fed back to master control processing unit 12, so that the gesture electric signal recognizing is converted to control signal by master control processing unit 12, mobile terminal (for example smart mobile phone) is carried out to function control.
As the utility model one embodiment, sensor 11 also can regularly start proximity induction by spontaneous flow process and measure.
The utility model embodiment drives infrared LEDs by master control processing unit control sensor, and the order changing according to infrared LEDs light source is identified gesture, mobile terminal is realized without touch control type operation in certain area, thereby make smart mobile phone without the repertoire that capacitive touch screen can be realized at present such as the input of touch word, screen slip, telephone receiving, greatly to have strengthened user's experience.
Fig. 2 shows the structure of sensor in the sensing identification circuit that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model.
As the utility model one embodiment, sensor 11 comprises:
Infrared light induction module 111, visible ray induction module 112, sensor processing module 113, sensor control module 114, infrared LEDs driver 115;
The output terminal of infrared light induction module 111 and visible ray induction module 112 is connected with the infrared light induction end of sensor processing module 113 and visible ray induction end, the output terminal of sensor processing module 113 is connected with the control end of sensor control module 114, the data terminal of sensor control module 114, clock end, interrupt output end is respectively the data terminal SDA of sensor 11, clock end SCL, interrupt output end INT, the output terminal of sensor control module 114 is connected with the input end of infrared LEDs driver 115, the first drive end of infrared LEDs driver 115, the second drive end, the 3rd drive end is respectively the first input end In_LED1 of sensor 11, the second input end In_LED2, the 3rd input end In_LED3.
In the utility model embodiment, infrared light induction module 111 is a kind of photoelectric sensor that can respond to the Infrared power in certain wavelength band.Visible ray induction module 112 is also a kind of photoelectric sensor that can respond to luminous ray power.
Master control processing unit 12 is controlled sensor control module 114 and is driven infrared LEDs luminous according to certain logical order by infrared LEDs driver 115, light emission can reflect to object, if there is staff to move there in certain area, the Infrared of infrared LEDs transmitting reflects to highly sensitive infrared light induction module 111 through staff so, infrared light induction module 111 carries out data processing by the raw data of acquisition by sensor processing module 113, and reflex to infrared light induction module 111 power of different infrared LEDs light above by sensor control module 114 bases, the physical quantitys such as priority and logic quantitative statistics and judgement, can determine staff is current is carrying out for which action, thereby control master control processing unit and respond its action request.
As the utility model one embodiment, can be by three infrared LEDs reflection rays be responded to detection, the layout structure of infrared LEDs 1, infrared LEDs 2, infrared LEDs 3 is referring to Fig. 4, owing to allowing normal induction Infrared Targets light under varying environment optical condition, sensor simultaneously can induced environment light power, obtain the raw data of surround lighting, it is processed and can weaken the impact of background noise on Infrared Targets light.When each measurement, can be to allowing which infrared LEDs work select, under normal circumstances, each measurement opened an infrared LEDs by infrared LEDs driver 115, allow corresponding infrared LEDs work launch infrared light, if now have staff or object to launch this Infrared to sensor in appointed area, sensor just can be identified the existence in appointed area of staff or object.Because sensor has three infrared LEDs, this just can easily put upside down the conducting order of infrared LEDs, or allows all infrared LEDs open simultaneously.Obtain like this that the reflection ray of three infrared LEDs infrared lights in appointed area has or not, the raw data of power, these data feedbacks are sent to main frame, carry out data processing, just can judge the action situation of staff in appointed area or object.
Understandably, it is only a kind of embodiment of this recognition principle of explanation that the utility model embodiment adopts the layout structure of three infrared LEDs, does not limit quantity and the layout structure of infrared LEDs herein.
The utility model embodiment drives infrared LEDs by master control processing unit control sensor, and the order changing according to infrared LEDs light source is identified gesture, the object that can close in place three-dimensional carries out triangulation, and measurement result is carried out exporting control command after data processing, according to control command, mobile terminal is carried out to function control, mobile terminal is realized without touch gesture identification in certain area, realize the user interface of non-touch, for example realize without touch word and inputting, screen slides, the repertoire that capacitive touch screen can be realized at present such as telephone receiving, greatly strengthen user's experience.
Fig. 3 shows the exemplary circuit structure of sensor in the sensing identification circuit that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model.
As the utility model one embodiment, sensor 11 can also comprise voltage adjuster 116, for the first supply voltage is carried out to voltage transitions and voltage stabilizing control, think that sensor processing module 113 and sensor control module 114 provide required supply voltage, the input end of this voltage adjuster 116 is connected with the power end of sensor 11, and the output terminal of voltage adjuster 116 is connected with the power end of sensor processing module 113 and sensor control module 114.
As the utility model one preferred embodiment; sensor 11 can also comprise temperature detecting module 117; for detection of the internal temperature of sensor 11; carry out overheat protector to control sensor processing module 113, the output terminal of this temperature detecting module 117 is connected with the temperature detection end of sensor processing module 113.
Further, this temperature detecting module 117 can adopt temperature sensor to realize.
In the utility model embodiment; in the time that temperature detecting module 117 detects that the internal temperature of sensor 11 is too high, output steering order, controls sensor processing module 113 and quits work; to realize overheat protector, prevent that sensor 11 is because excess Temperature burns.
As the utility model one embodiment, sensor processing module 113 comprises:
Microprocessor 1131, AD converter (Analog-to-Digital Converter) 1132 and wave filter 1133;
Infrared light induction end, visible ray induction end and the temperature detection end of microprocessor 1131 is infrared light induction end, visible ray induction end and the temperature detection end of sensor processing module 113, the output terminal of microprocessor 1131 is connected with the input end of AD converter 1132, the output terminal of AD converter 1132 is connected with the input end of wave filter 1133, and the output terminal of wave filter 1133 is the output terminal of sensor processing module 113.
As the utility model one preferred embodiment, microprocessor 1131 can adopt address multiplexer (address multiplexer, AMUX) or multichannel analog to digital converter to realize.
Sequential logic control module 1141, register 1142 and crystal oscillator 1143;
The input end of sequential logic control module 1141 is the control end of sensor control module 114, the output terminal of sequential logic control module 1141 is connected with the input end of register 1142, the data terminal of register 1142, clock end, interrupt output end are respectively data terminal, clock end, the interrupt output end of sensor control module 114, the output terminal of crystal oscillator 1143 is connected with the clock end of sequential logic control module 1141, and the output terminal of sequential logic control module 1141 is the output terminal of sensor control module 114.
In the utility model embodiment, after sensor control module 114 powers on, crystal oscillator 1143 provides required clock for sensor control module 114, sequential logic control module 1141 is configured register 1142 receive the order of master control processing unit 12 by IIC after, and send instructions and control infrared LEDs driver 115 and drive infrared LEDs according to register 1142 configuring conditions, infrared light induction module 111, visible ray induction module 112 changes the light detecting, carry out data processing and carry out analog to digital conversion and pass through after wave filter 1133 filtering through AD converter 1132 through microprocessor 1131, send data to master control processing unit 12 by iic bus again, complete the induction of infrared light and surround lighting.
Another object of the utility model embodiment is to provide a kind of sensing recognition device that adopts above-mentioned sensing identification circuit.
Another object of the utility model embodiment is to provide a kind of mobile terminal that adopts above-mentioned sensing recognition device.
The utility model embodiment drives infrared LEDs by master control processing unit control sensor, and the order changing according to infrared LEDs light source is identified gesture, the object that can close in place three-dimensional carries out triangulation, and measurement result is carried out exporting control command after data processing, according to control command, mobile terminal is carried out to function control, mobile terminal is realized without touch gesture identification in certain area, realize the user interface of non-touch, for example realize without touch word and inputting, screen slides, the repertoire that capacitive touch screen can be realized at present such as telephone receiving, greatly strengthen user's experience.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a sensing identification circuit, is characterized in that, described sensing identification circuit comprises:
Resistance R 1, resistance R 2, resistance R 3, resistance R 4, capacitor C 1, capacitor C 2, infrared LEDs 1, infrared LEDs 2, infrared LEDs 3;
Identify gesture motion by infrared LEDs, and gesture motion is converted to the sensor of corresponding electric signal;
Electric signal corresponding gesture motion is converted to the master control processing unit of control signal practical function control;
The power end of described master control processing unit is connected with the first supply voltage, described resistance R 1, described resistance R 2, one end of described resistance R 3 is connected with described the first supply voltage simultaneously, described resistance R 1, described resistance R 2, the other end of described resistance R 3 respectively with the first control end of described master control processing unit, the second control end, the 3rd control end connects, the earth terminal ground connection of described master control processing unit, the data terminal of described sensor, clock end, interrupt output end respectively with described resistance R 1, described resistance R 2, the other end of described resistance R 3 connects, and the power end of described sensor is connected with the first supply voltage, and the power end of described sensor is simultaneously by described capacitor C 1 ground connection, the first input end of described sensor, the second input end, the 3rd input end respectively with described infrared LEDs 1, described infrared LEDs 2, the negative electrode of described infrared LEDs 3 connects, described infrared LEDs 1, described infrared LEDs 2, the anode of described infrared LEDs 3 is connected with second source voltage by described resistance R 4 simultaneously, described infrared LEDs 1, described infrared LEDs 2, the anode of described infrared LEDs 3 is also by described capacitor C 2 ground connection, the earth terminal ground connection of described sensor.
2. circuit as claimed in claim 1, is characterized in that, described master control processing unit is MCU.
3. circuit as claimed in claim 1, is characterized in that, described sensor comprises:
Infrared light induction module, visible ray induction module, sensor processing module, sensor control module, infrared LEDs driver;
The output terminal of described infrared light induction module and described visible ray induction module is connected with the infrared light induction end of described sensor processing module and visible ray induction end, the output terminal of described sensor processing module is connected with the control end of described sensor control module, the data terminal of described sensor control module, clock end, interrupt output end is respectively the data terminal of described sensor, clock end, interrupt output end, the output terminal of described sensor control module is connected with the input end of described infrared LEDs driver, the first drive end of described infrared LEDs driver, the second drive end, the 3rd drive end is respectively the first input end of described sensor, the second input end, the 3rd input end.
4. circuit as claimed in claim 3, is characterized in that, described sensor also comprises:
Voltage adjuster, the input end of described voltage adjuster is connected with the power end of described sensor, and the output terminal of described voltage adjuster is connected with the power end of described sensor processing module and described sensor control module.
5. circuit as claimed in claim 3, is characterized in that, described sensor also comprises:
Temperature detecting module, the output terminal of described temperature detecting module is connected with the temperature detection end of described sensor processing module.
6. circuit as claimed in claim 3, is characterized in that, described sensor processing module 113 comprises:
Microprocessor, AD converter and wave filter;
Infrared light induction end, visible ray induction end and the temperature detection end of described microprocessor is infrared light induction end, visible ray induction end and the temperature detection end of described sensor processing module, the output terminal of described microprocessor is connected with the input end of described AD converter, the output terminal of described AD converter is connected with the input end of described wave filter, and the output terminal of described wave filter is the output terminal of described sensor processing module.
7. circuit as claimed in claim 6, is characterized in that, described microprocessor is AMUX.
8. circuit as claimed in claim 3, is characterized in that, described sensor control module comprises:
Sequential logic control module, register and crystal oscillator;
The input end of described sequential logic control module is the control end of described sensor control module, the output terminal of described sequential logic control module is connected with the input end of described register, the data terminal of described register, clock end, interrupt output end are respectively data terminal, clock end, the interrupt output end of described sensor control module, the output terminal of described crystal oscillator is connected with the clock end of described sequential logic control module, and the output terminal of described sequential logic control module is the output terminal of described sensor control module.
9. a sensing recognition device, is characterized in that, described sensing recognition device comprises the sensing identification circuit as described in claim 1 to 8 any one.
10. a mobile terminal, is characterized in that, described mobile terminal comprises sensing recognition device as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320751562.0U CN203643947U (en) | 2013-11-25 | 2013-11-25 | Sensing identification circuit and device as well as mobile terminal |
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| CN201320751562.0U CN203643947U (en) | 2013-11-25 | 2013-11-25 | Sensing identification circuit and device as well as mobile terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015196471A1 (en) * | 2014-06-27 | 2015-12-30 | 深圳华盛昌机械实业有限公司 | Method and device for air quality value switching and air quality detector |
| CN105259800A (en) * | 2015-09-14 | 2016-01-20 | 沈阳时尚实业有限公司 | Gesture-controlled intelligent meter liquid crystal display system |
| CN110347090A (en) * | 2019-07-31 | 2019-10-18 | 杭州北马科技有限公司 | A kind of gestural control method of vent cabinet |
-
2013
- 2013-11-25 CN CN201320751562.0U patent/CN203643947U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015196471A1 (en) * | 2014-06-27 | 2015-12-30 | 深圳华盛昌机械实业有限公司 | Method and device for air quality value switching and air quality detector |
| CN105259800A (en) * | 2015-09-14 | 2016-01-20 | 沈阳时尚实业有限公司 | Gesture-controlled intelligent meter liquid crystal display system |
| CN110347090A (en) * | 2019-07-31 | 2019-10-18 | 杭州北马科技有限公司 | A kind of gestural control method of vent cabinet |
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Granted publication date: 20140611 Termination date: 20151125 |