CN210954697U - Multi-sensor switch circuit capable of automatically recognizing gestures - Google Patents
Multi-sensor switch circuit capable of automatically recognizing gestures Download PDFInfo
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- CN210954697U CN210954697U CN201922431062.9U CN201922431062U CN210954697U CN 210954697 U CN210954697 U CN 210954697U CN 201922431062 U CN201922431062 U CN 201922431062U CN 210954697 U CN210954697 U CN 210954697U
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Abstract
The utility model provides an automatic multi-sensor switch circuit of discernment gesture, include: the device comprises a transmitting module, a sensing module, a storage module and a signal processing module; the transmitting module comprises an infrared transmitter, an ultrasonic transmitter and a laser transmitter; the sensing module comprises an infrared receiver, an ultrasonic receiver, a laser receiver and a temperature sensor, and the sensors are respectively connected with the ADC; the ADC is connected with the storage module; the signal processing module includes: the output end of the storage module is connected with the microprocessor; the output end of the microprocessor is connected with the control processing module; the output end of the control processing module is respectively connected with the infrared transmitter, the ultrasonic transmitter and the laser transmitter; the output end of the microprocessor is also connected with the switch. The utility model provides a reliability problem when many people of auto-induction door pass through, the false retrieval rate is lower, and the reliability is higher.
Description
Technical Field
The utility model relates to an automatic control technology especially relates to a multisensor switch circuit of automatic recognition gesture.
Background
With the improvement of living standard and the improvement of scientific and technical level, people have more and more great demand on intelligent life. Accordingly, a plurality of intelligent and humanized hardware is developed. The device is a small device commonly used in daily life. The remote controller and the desk lamp are small, and the water heater and the refrigerator are large, so that the switch is inevitably installed. The intelligent life needs to continuously improve the switch, so that the induction switch can be operated.
The inductive switches on the market at present mainly comprise: infrared inductive switch, microwave inductive switch, ultrasonic inductive switch, piezoelectric inductive switch, electromagnetic inductive switch, capacitance inductive switch, etc. Each of these inductive switches has various advantages. After the advanced inductive switches are installed on some household appliances or intelligent homes, the life of people is greatly enriched. However, even with such a large number of inductive switches, the demands of people in life cannot be fully met, especially in some specific situations. For example, some automatic doors may fail when a plurality of people pass through, and the door panel may be closed early to cause an accident of people being caught in the door panel.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at provides a multisensor switch circuit of automatic identification gesture, has solved the reliability problem when many people of auto-induction door pass through, and the false retrieval rate is lower, and the reliability is higher.
Particularly, the utility model provides an automatic multi-sensor switch circuit of discernment gesture, include: the device comprises a transmitting module, a sensing module, a storage module and a signal processing module;
the transmitting module includes: an infrared transmitter, an ultrasonic transmitter and a laser transmitter;
the sensing module includes: the device comprises an infrared receiver, an ultrasonic receiver, a laser receiver and a temperature sensor; the infrared receiver, the ultrasonic receiver, the laser receiver and the temperature sensor are respectively connected with an ADC (analog-to-digital converter); the ADC is connected with the storage module;
the signal processing module includes: the output end of the storage module is connected with the microprocessor; the output end of the microprocessor is connected with the control processing module; the output end of the control processing module is respectively connected with the infrared transmitter, the ultrasonic transmitter and the laser transmitter; the output end of the microprocessor is also connected with the switch.
Preferably, the signal processing module further includes: and the output end of the counter is connected with the microprocessor.
Preferably, the single counting time of the counter is 6 s.
The utility model discloses a microprocessor has synthesized that four group's data that infrared receiver, ultrasonic receiver, laser receiver, temperature sensor conveying come are compared, judges whether can open the switch. When the data sent to the microprocessor by the four receivers simultaneously shows a gesture, the microprocessor sends out the data for opening the switch. By comprehensively comparing the multiple groups of data, the microprocessor can be highly suitable for the opening and closing control of the automatic door when a plurality of people pass through. Therefore, the utility model discloses can solve the reliability problem when many people of automatically-controlled door pass through effectively, improve the security of automatic induction door.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.
In the drawings:
fig. 1 is a schematic diagram of a multi-sensor switching circuit that automatically recognizes gestures according to one embodiment of the present invention;
fig. 2 is a schematic view of an embodiment of the present invention applied to an automatic door.
Detailed Description
As shown in fig. 1 and 2, the utility model provides an automatic multi-sensor switch circuit of discernment gesture is applied to automatically-controlled door. The front side and the rear side of the automatic door are provided with various sensors and corresponding receiving devices. The front side and the rear side of the automatic door are also provided with preset gesture induction positions. The gesture sensing position is arranged on the waist side of the average height of the human. The infrared induction is used for judging whether an object is placed at an induction position or not. The ultrasonic sensor is used for judging the shape of an object placed at the sensing position. The laser sensor is used for judging the distance of the object to be placed so as to judge whether the object is at the sensing position. The temperature sensor is used for judging whether an object placed at the sensing position is the temperature of the human body.
The switching circuit mainly includes: the device comprises a transmitting module, a sensing module, a storage module and a signal processing module.
The emitting modules are an infrared emitter 16, an ultrasonic emitter 17 and a laser emitter 18, and respectively emit infrared rays, ultrasonic waves and laser. The sensing modules are an infrared receiver 1, an ultrasonic receiver 2, a laser receiver 3 and a temperature sensor 4, so as to respectively receive infrared rays, ultrasonic waves, laser and the temperature before the sensor. The memory module is composed of a first register set 9, a second register set 10, a third register set 11 and a fourth register set 12. The signal processing module is composed of a storage unit 13, a control processing module 14, a counter 20 and a microprocessor 15.
The specific connection mode is as follows: the output terminal of the infrared receiver 1 is connected to the input terminal of the first ADC5 through the preprocessing circuit, and the output terminal of the first ADC5 is connected to the input terminal of the first register group 9. The output of the ultrasonic receiver 2 is connected to the input of the second ADC6 via a preprocessing circuit, and the output of the second ADC6 is connected to the input of the second register set 10. The output terminal of the laser receiver 3 is connected to the input terminal of the third ADC7 through the preprocessing circuit, and the output terminal of the third ADC7 is connected to the input terminal of the third register group 11. The output terminal of the temperature sensor 4 is connected to the input terminal of the fourth ADC8 through the preprocessing circuit, and the output terminal of the fourth ADC8 is connected to the input terminal of the fourth register group 12.
The output end of a storage unit 13 consisting of a first register group 9, a second register group 10, a third register group 11 and a fourth register group 12 is connected with a microprocessor 15. An output of the counter 20 is connected to a second input of the microprocessor 15. A first output of the microprocessor 15 is connected to a switch 19.
A second output of the microprocessor 15 is connected to an input of the control processing module 14. The output end of the control processing module 14 is connected with the input ends of an infrared transmitter 16, an ultrasonic transmitter 17 and a laser transmitter 18.
By using the above circuit, the microprocessor 15 is connected to the input end of the control processing module 14, and controls the infrared emitter 16 to emit infrared light, which is reflected and received by the infrared receiver 1, and the received light intensity signal passes through the output end of the infrared receiver 1. After passing through the preprocessing circuit, the input terminal of the first ADC5 is input into the first ADC5, and then the input terminal of the first register set 9 is input into the first register set 9 through the output terminal of the first ADC 5. The microprocessor 15 recalls the data in the first register group 9 to perform recognition processing, thereby judging whether an object is placed at the sensing position.
The microprocessor 15 is connected with the input end of the control processing module 14, and controls the ultrasonic transmitter 17 to transmit ultrasonic waves, the ultrasonic waves are received by the ultrasonic receiver 2 after being reflected, and received sound wave signals pass through the output end of the ultrasonic receiver 2. After passing through the preprocessing circuit, the input end of the second ADC6 is input into the second ADC6, and then the input end of the second register group 10 is input into the second register group 10 through the output end of the second ADC6, and the microprocessor 15 calls the data in the second register group 10 to perform recognition processing, so as to determine the shape of the object placed at the sensing position.
The microprocessor 15 is connected with the input end of the control processing module 14 and controls the laser transmitter 18 to emit laser, the laser is reflected and received by the laser receiver 3, and the received echo time difference passes through the output end of the laser receiver 3. After passing through the preprocessing circuit, the data enters the input end of the third ADC7 and is input into the third ADC7, then the data passes through the output end of the third ADC7 and is input into the third register group 11 through the input end of the third register group 11, and the microprocessor 15 calls the data in the third register group 11 to perform recognition processing, so as to determine whether the distance where the object is placed is in the sensing position.
The temperature sensor 4 receives the external temperature, changes the temperature into a voltage signal after passing through the preprocessing circuit, and inputs the voltage signal into the fourth ADC8 after entering the input end of the fourth ADC 8. And then input into the fourth register bank 12 through the input of the fourth register bank 12 via the output of the fourth ADC 8. The microprocessor 15 recalls the data in the fourth register group 12 to perform recognition processing, thereby judging whether the object placed at the sensing position is the human body temperature.
In summary, the microprocessor 15 compares the four sets of data transmitted by the infrared receiver 1, the ultrasonic receiver 2, the laser receiver 3, and the temperature sensor 4 to determine whether the switch 19 can be turned on. When all the data sent by the four receivers to the microprocessor 15 indicate a gesture, the first output terminal of the microprocessor 15 sends out the data for opening the switch 19. At the same time, the control end of the microprocessor 15 controls the counter 20 to start counting, and after the counting is finished, the microprocessor 15 repeats the above process until the microprocessor 15 sends a command of closing the switch 19 until no person is judged.
In the specific application, the following are selected: the intelligent temperature control system comprises an infrared light emitting diode, an ultrasonic transmitter, a laser transmitter, a microprocessor TMS320F28335PGFA, four registers AT45DB081B, an infrared receiver, an ultrasonic receiver, a laser receiver, a temperature sensor, four AD9634, a control switch, a counter and a peripheral I2C interface, and communication between the microprocessor TMS320F28335PGFA and the infrared receiver, the ultrasonic receiver, the laser receiver and the temperature sensor is achieved.
When the whole set of system is applied to the automatic induction door, as shown in fig. 2, when the system is powered on, the output end of the microprocessor TMS320F28335PGFA is connected with the input end of the control processing module and is in a normally open command. The output end of the control processing module is connected with the input end of the infrared light emitting diode to drive the infrared light emitting diode to emit infrared light. If no person is present, the light intensity signal is received by the infrared receiver after being reflected by the wall surface, the received light intensity signal passes through the output end of the infrared receiver, enters the corresponding AD9634 input end to the AD9634 after passing through the preprocessing circuit, and then enters the register AT45DB081B through the corresponding AD9634 output end and the corresponding register AT45DB081B input end. The microprocessor TMS320F28335PGFA recalls the data in the register AT45DB081B for identification processing, and AT the moment, infrared induction judges that no person passes through. If someone, place the hand on the gesture response position of fig. 2, after the reflection, through infrared receiver receipt, the light intensity signal of receipt passes through infrared receiver's output. After passing through the preprocessing circuit, the input end of the AD9634 is input into the corresponding AD9634, then the output end of the AD9634 is input into the register AT45DB081B through the input end of the corresponding register AT45DB081B, and the microprocessor TMS320F28335PGFA recalls the data in the register AT45DB081B for identification processing, and AT the moment, infrared induction judges that a person is present. The infrared sensor is used for judging whether an object is placed at the sensing position or not.
The output end of the microprocessor TMS320F28335PGFA is connected with the input end of the control processing module and is in a normally open command. The output end of the control processing module is connected with the input end of the ultrasonic transmitter to drive the ultrasonic transmitter to transmit ultrasonic waves. If nobody, after the wall reflection, receive through ultrasonic transmitter, the acoustic wave signal of receiving passes through ultrasonic receiver's output. After passing through the preprocessing circuit, the data enters the corresponding AD9634 input end and is input into the AD9634, then the data passes through the output end of the AD9634 and is input into the corresponding register AT45DB081B through the corresponding register AT45DB081B, and the microprocessor TMS320F28335PGFA recalls the data in the register AT45DB081B to perform recognition processing, and AT the moment, ultrasonic induction judges that no person passes through. If a person exists, a hand is placed AT the gesture sensing position shown in fig. 2, the reflected hand is received by the ultrasonic receiver, the received sound wave signal passes through the output end of the infrared receiver, passes through the preprocessing circuit, enters the input end of the AD9634 and is input into the corresponding AD9634, then passes through the output end of the AD9634 and is input into the register AT45DB081B through the input end of the corresponding register AT45DB081B, the microprocessor TMS320F28335PGFA calls the data in the register AT45DB081B again to perform recognition processing, and AT the moment, the ultrasonic sensing judges that the person exists. The ultrasonic sensor is used for judging the shape of an object placed at the sensing position.
The output end of the microprocessor TMS320F28335PGFA is connected with the input end of the control processing module and is in a normally open command. The output end of the control processing module is connected with the input end of the laser transmitter to drive the laser transmitter to transmit laser. If no person passes through the wall surface reflection, the reflected signal is received by the laser receiver, the received echo time difference passes through the output end of the laser receiver, enters the corresponding AD9634 input end and is input into the AD9634 after passing through the preprocessing circuit, then enters the register AT45DB081B through the output end of the AD9634 and the input end of the corresponding register AT45DB081B, the microprocessor TMS320F28335PGFA calls the data in the register AT45DB081B again to perform identification processing, and AT the moment, the laser induction judges that no person passes through. If a person exists, the hand is placed AT the gesture sensing position shown in fig. 2, the reflected hand is received by the laser receiver, the received echo time difference passes through the output end of the laser receiver, enters the input end of the AD9634 and is input into the corresponding AD9634 after passing through the preprocessing circuit, then passes through the output end of the AD9634 and is input into the register AT45DB081B through the input end of the corresponding register AT45DB081B, and the microprocessor TMS320F28335PGFA calls the data in the register AT45DB081B again to perform recognition processing, and AT the moment, the laser sensing judges that the person exists. The laser sensor is used for judging whether the distance of the object is in the sensing position or not.
The normally open temperature sensor receives the temperature of the gesture sensing position in the graph 2, the temperature is changed into a voltage signal through the preprocessing circuit, the voltage signal enters the corresponding AD9634 input end and is input into the AD9634, then the voltage signal is input into the register AT45DB081B through the AD9634 output end through the register AT45DB081B, the microprocessor TMS320F28335PGFA calls the data in the register AT45DB081B to conduct recognition processing, and whether hands are placed AT the sensing position AT the moment is judged. The temperature sensor is used for judging whether an object placed at the sensing position is the temperature of the human body.
When infrared sensing, ultrasonic sensing, laser sensing, temperature sensing all sensed that there is the gesture to exist, microprocessor TMS320F28335PGFA just judges for someone is present, just can send the command to control switch this moment, opens automatic induction door.
Meanwhile, the control end of the microprocessor TMS320F28335PGFA controls the counter to start counting, the counting time is 6s, and after the counting is finished, the microprocessor TMS320F28335PGFA repeats the above process to judge whether the four groups of data sent by the infrared sensor, the ultrasonic sensor, the laser sensor and the temperature sensor pass through by a person. If no one is judged, the microprocessor TMS320F28335PGFA sends a command of closing the switch; and if the person passes through the TMS, continuously repeating the steps until the person does not pass through the TMS320F28335PGFA, and sending a command for closing the control switch by the microprocessor TMS320F28335 PGFA.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (3)
1. A multi-sensor switch circuit for automatically recognizing gestures, comprising: the device comprises a transmitting module, a sensing module, a storage module and a signal processing module;
the transmitting module includes: an infrared transmitter, an ultrasonic transmitter and a laser transmitter;
the sensing module includes: the device comprises an infrared receiver, an ultrasonic receiver, a laser receiver and a temperature sensor; the infrared receiver, the ultrasonic receiver, the laser receiver and the temperature sensor are respectively connected with an ADC (analog-to-digital converter); the ADC is connected with the storage module;
the signal processing module includes: the output end of the storage module is connected with the microprocessor; the output end of the microprocessor is connected with the control processing module; the output end of the control processing module is respectively connected with the infrared transmitter, the ultrasonic transmitter and the laser transmitter; the output end of the microprocessor is also connected with the switch.
2. The multi-sensor switch circuit of claim 1, wherein the signal processing module further comprises: and the output end of the counter is connected with the microprocessor.
3. The multi-sensor switching circuit according to claim 2, wherein the single count time of the counter is 6 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431062.9U CN210954697U (en) | 2019-12-30 | 2019-12-30 | Multi-sensor switch circuit capable of automatically recognizing gestures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922431062.9U CN210954697U (en) | 2019-12-30 | 2019-12-30 | Multi-sensor switch circuit capable of automatically recognizing gestures |
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| Publication Number | Publication Date |
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| CN210954697U true CN210954697U (en) | 2020-07-07 |
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| CN201922431062.9U Active CN210954697U (en) | 2019-12-30 | 2019-12-30 | Multi-sensor switch circuit capable of automatically recognizing gestures |
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