CN210835282U - Infrared induction processing system for continuously detecting human body movement data - Google Patents
Infrared induction processing system for continuously detecting human body movement data Download PDFInfo
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- CN210835282U CN210835282U CN201921454161.2U CN201921454161U CN210835282U CN 210835282 U CN210835282 U CN 210835282U CN 201921454161 U CN201921454161 U CN 201921454161U CN 210835282 U CN210835282 U CN 210835282U
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Abstract
The embodiment of the application discloses infrared induction processing system of human movement data of continuous detection includes: the human body infrared induction sensor is used for acquiring human body movement analog signals of an area to be detected, the analog-digital converter is used for converting the human body movement analog signals into digital signals, and the signal processor is used for identifying the digital signals based on a BP neural network; the human body infrared induction sensor, the analog-digital converter and the signal processor are electrically connected. By adopting the infrared induction processing system for continuously detecting the human body movement data, the human body movement or human body local action signal can be continuously and uninterruptedly identified and processed in real time, the sensitivity of the application product for identifying the human body movement or human body local action signal is effectively improved, and the use experience of a user is greatly improved.
Description
Technical Field
The application relates to the field of chip design, in particular to an infrared induction processing system for continuously detecting human body movement data.
Background
With the rapid development of scientific technology, the electronic induction technology brings the change of covering the ground in the day to the life of people, and is convenient for the production and the life of people. Along with the rapid development of economic society, the demand of people on electronic products is higher and higher, the detection and identification of human body movement data also become the current popular research direction, and the detection and identification of human body movement data especially in the fields of intelligent household appliance control, security protection and the like have great application prospects.
However, the human body movement data recognition process implemented by the human body movement infrared sensing device based on the infrared sensor, the signal amplifier, the voltage comparator, the delay circuit and the like usually has a collection recognition interval, that is, a detection recognition interval of at least 2 seconds is generated after the human body movement data is detected, and a plurality of human body movement signals are often missed in the interval, so that the human body movement infrared sensing device delays, the recognition efficiency is low, and the actual needs of a user in production and life cannot be met. Therefore, how to design a novel infrared sensing processing system capable of continuously detecting human body movement data becomes a research focus of those skilled in the art.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the application provides an infrared induction processing system for continuously detecting human body movement data, so as to solve the problems that the detection efficiency is low, the sensitivity is low and further the actual requirements of users cannot be met due to the detection interval in the human body movement data detection process in the prior art.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
the embodiment of the application provides an infrared induction processing system for continuously detecting human body movement data, including: the human body infrared induction sensor is used for acquiring human body movement analog signals of an area to be detected, the analog-digital converter is used for converting the human body movement analog signals into digital signals, and the signal processor is used for identifying the digital signals based on a BP neural network; the human body infrared induction sensor, the analog-digital converter and the signal processor are electrically connected.
Further, the infrared sensing processing system for continuously detecting the human body movement data further comprises: the reference voltage device is used for filtering invalid digital signals based on a reference voltage circuit to obtain valid digital signals, the output end of the analog-digital converter is connected with the input end of the reference voltage device, and the output end of the reference voltage device is connected with the input end of the signal processor.
Further, the infrared sensing processing system for continuously detecting the human body movement data further comprises: and the task control logic circuit is connected with the signal processor.
Further, the infrared sensing processing system for continuously detecting the human body movement data further comprises: the global trigger event logic control module is used for driving the analog-digital converter pins to output effective human body movement signals obtained by the signal processor based on an operation control circuit; the global trigger event logic control module is connected with the signal processor.
Further, the infrared sensing processing system for continuously detecting the human body movement data further comprises: an oscillator for generating a digital clock signal from the digital signal.
Further, the infrared sensing processing system for continuously detecting the human body movement data further comprises: and the infrared filter is used for filtering the natural light reflected by the human body.
Further, the infrared sensing processing system for continuously detecting the human body movement data is characterized in that the human body infrared sensing sensor is a thermal infrared human body sensor.
By adopting the infrared induction processing system for continuously detecting the human body movement data, the human body movement or human body local action signal can be continuously and uninterruptedly identified and processed in real time, the sensitivity of the application product for identifying the human body movement or human body local action signal is effectively improved, and the use experience of a user is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic diagram of a part of a circuit in an infrared sensing processing system for continuously detecting human movement data according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram illustrating a complete structure of a processing chip in an infrared sensing processing system for continuously detecting human movement data according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a complete circuit of an infrared sensing processing system for continuously detecting human movement data according to an embodiment of the present disclosure;
wherein 101 is an analog-digital converter, 102 is a signal processor, 103 is an oscillator, 104 is a reference voltage device, 105 is a global trigger event logic control module, 106 is a task control logic module, 107 is an output pin device of the analog-digital converter, 108 is a human body infrared sensor, 109 is a filter, 110 is a processing chip, and 111 is a voltage stabilizing circuit.
Detailed Description
The present disclosure is not intended to be limited to the particular embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the embodiment of the application, the infrared induction processing system for continuously detecting the human body movement data can be applied to the fields of intelligent household appliance control, security protection and the like, can acquire continuous and uninterrupted human body movement identification or human body local action signals and perform real-time processing, provides effective control signals for intelligent household appliances or security protection security check equipment based on human body movement infrared induction control, improves the sensitivity and early warning capability of human body movement infrared induction control equipment, thereby improving the detection and identification efficiency of human body movement signals and timely avoiding the occurrence of delay conditions in the detection and identification process.
The following describes an embodiment of the infrared sensing processing system for continuously detecting human body movement data based on the present application in detail.
As shown in fig. 1, a schematic diagram of a part of a circuit in an infrared sensing processing system for continuously detecting human movement data according to an embodiment of the present application includes the following steps: the human body infrared induction system comprises a voltage stabilizing circuit 111 for stabilizing voltage input of the system, a human body infrared induction sensor 108 for acquiring human body movement analog signals of an area to be detected, and a processing chip 110.
It should be noted that the human body infrared sensor 108 is a thermal infrared human body sensor, and may be formed by an LHI968 common human body infrared sensing module, and may implement full-automatic sensing, that is: when someone enters the sensing range, the high level is input, and when someone leaves the sensing range, the high level is automatically turned off in a delayed mode, and the low level is output.
The processing chip 110 may include an analog-to-digital converter 101 for converting the human body movement analog signal into a digital signal, a signal processor 102 for identifying the digital signal based on a BP neural network, and an electrical connection between the analog-to-digital converter 101 and the signal processor 102. The signal processor 102 may be a single chip microcomputer designed with a BP neural network algorithm, and the single chip microcomputer may be programmed according to a conventional method or may be programmed on line.
As shown in fig. 2, which is a schematic view of a complete structure of a processing chip in an infrared sensing processing system for continuously detecting human movement data according to an embodiment of the present application, the processing chip 110 specifically includes the following components:
in order to filter the invalid signal or the interference signal to obtain the effective human body movement signal, the system further comprises a reference voltage device 104 for filtering the invalid digital signal based on the reference voltage circuit to obtain the effective digital signal. Wherein, the output terminal of the analog-to-digital converter 101 is connected to the input terminal of the reference voltage device 104, and the output terminal of the reference voltage device 104 is connected to the input terminal of the signal processor 102.
In order to ensure the signal processor 102 to work normally, an oscillator 103 is further included for generating a digital clock signal according to the digital signal. It should be noted that the oscillator 103 is a guarantee for the normal operation of the signal processor 102, and if the oscillator 103 does not start oscillation, the system will not work; if the oscillator 103 runs irregularly, a time error may occur when the system executes the program.
In addition, in the embodiment of the present application, a task control logic module 106 for coordinating priority levels and processing sequences of processing tasks in the system, and a global trigger event logic control module 105 for outputting the valid human body movement signal obtained by the signal processor 102 based on the digital-to-analog converter pin driven by the operation control circuit may also be included. The task control logic circuit is connected to the signal processor 102, and the global trigger event logic control module 105 is connected to the signal processor 102. It should be noted that the task control logic module 106 is designed with a task control logic circuit for coordinating the priority levels and the sequence of all tasks in the chip. The global trigger event logic control module 105 is internally designed with a global trigger event logic control circuit for processing the effective signal output by the signal processor 102 based on the BP neural network.
In addition, the infrared sensing processing system for continuously detecting human body movement data may further include: and an infrared filter 109 for filtering natural light reflected from the human body.
In the actual implementation process, the infrared sensing component (i.e., the human body infrared sensing sensor 108) detects and identifies the human body movement or the human body limb movement signal in the region to be detected, and the analog-to-digital converter 101 converts the detected human body infrared analog signal into a human body movement digital signal (i.e., a voltage signal) and outputs the human body movement digital signal to the signal processor 102. The signal processor 102 is configured to receive a human body movement digital signal output by the adc 101, output a switch control signal to the task control logic module 106 or the local trigger event logic control module, and further output the switch control signal to a control module of an intelligent household appliance device or a security inspection device, where the control module generally includes a switch switching unit and a switch circuit unit, and the switch switching unit has different gears; the switch circuit unit is provided with a first connecting end connected with the positive electrode of the intelligent household appliance or the security and protection security check equipment, a second connecting end connected with the feedback resistor of the driving circuit of the intelligent household appliance or the security and protection security check equipment, and a third connecting end connected with the negative electrode of the intelligent household appliance or the security and protection security check equipment. For example: when the switch switching unit is switched to the first gear, the signal processor 102 is turned on and outputs a switch control signal for controlling the switching on and off of the switch circuit unit.
As shown in fig. 3, which is a schematic diagram of a complete circuit of an infrared sensing processing system for continuously detecting human movement data according to an embodiment of the present application, a specific implementation process may include the following steps:
in the complete circuit schematic diagram of the present application, the 3 rd pin of the human body infrared sensor 108 (e.g., human body infrared probe) U2 may be connected to one end of the first capacitor C1 and the third capacitor C3, respectively, and the other ends of the first capacitor C1 and the third capacitor C3 are connected together and grounded; the 3 rd pin of the human body infrared sensor 108, U2 may also be connected to one end of a seventh resistor R7, and the other end of the seventh resistor R7 is connected to the regulated output pin of the reference voltage device 104U 3.
In addition, the 3 rd pin of the human body infrared sensor 108U2 may be connected to the 1 st pin of the signal processor 102U1 and one end of the first resistor R1, respectively; the other end of the first resistor device R1 is connected with the 5 th pin of the signal processor 102U 1; and one end of the fourth resistance device R4 and the sixth capacitance device C6 are connected, and the other end of the fourth resistance device R4 and the sixth capacitance device C6 are connected together and grounded.
The 2 nd pin of the human body infrared sensor 108U2 is respectively connected with one end of a third resistor device R3, a fifth capacitor device C5 and a fourth capacitor device C4 and the 2 nd pin of the signal processor 102U1, and the other ends of the third resistor device R3, the fifth capacitor device C5 and the fourth capacitor device C4 are connected together and grounded.
The 8 th pin of the signal processor 102U1 is grounded, the 6 th pin of the signal processor 102U1 is connected to one end of a sixth resistor device R6, the other end of the sixth resistor device R6 is connected to one end of a fifth resistor device R5 and the G pole of a triode device Q1, and the other end of the fifth resistor device R5 is grounded.
The S pole of the transistor device Q1 is grounded, and the D pole of the transistor device Q1 is connected to one end of the second resistor device R2, and the connection point serves as a signal output terminal. The other end of the second resistor device R2 is connected to the +5v power input terminal, one end of the second capacitor device C2 and the 2 nd end of the power input terminal of the reference voltage device 104U3, respectively; the other terminal of the second capacitor device C2 is grounded, and the 1 st terminal of the reference voltage device 104U3 is grounded.
By adopting the infrared induction processing system for continuously detecting the human body movement data, the human body movement or human body local action signal can be continuously and uninterruptedly identified and processed in real time, the sensitivity of the application product for identifying the human body movement or human body local action signal is effectively improved, and the use experience of a user is greatly improved.
Although the present application has been described in detail with respect to the general description and the specific examples, it will be apparent to those skilled in the art that certain changes and modifications may be made based on the present application. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.
Claims (7)
1. An infrared induction processing system for continuously detecting human body movement data, comprising: the human body infrared induction sensor is used for acquiring human body movement analog signals of an area to be detected, the analog-digital converter is used for converting the human body movement analog signals into digital signals, and the signal processor is used for identifying the digital signals based on a BP neural network; the human body infrared induction sensor, the analog-digital converter and the signal processor are electrically connected.
2. The infrared sensing processing system for continuously detecting human body movement data according to claim 1, further comprising: the reference voltage device is used for filtering invalid digital signals based on a reference voltage circuit to obtain valid digital signals, the output end of the analog-digital converter is connected with the input end of the reference voltage device, and the output end of the reference voltage device is connected with the input end of the signal processor.
3. The infrared sensing processing system for continuously detecting human body movement data according to claim 2, further comprising: the task control logic module is used for coordinating the priority level and the processing sequence of the tasks processed in the system, a task control logic circuit used for coordinating the priority level and the sequence of all the tasks in a chip is designed in the task control logic module, and the task control logic circuit is connected with the signal processor.
4. The infrared sensing processing system for continuously detecting human body movement data as claimed in claim 3, further comprising: the global trigger event logic control module is used for driving the analog-digital converter pins to output effective human body movement signals obtained by the signal processor based on an operation control circuit; the global trigger event logic control module is connected with the signal processor.
5. The infrared sensing processing system for continuously detecting human body movement data as claimed in claim 4, further comprising: an oscillator for generating a digital clock signal from the digital signal.
6. The infrared sensing processing system for continuously detecting human body movement data according to claim 1, further comprising: and the infrared filter is used for filtering the natural light reflected by the human body.
7. The infrared sensing processing system for continuously detecting human body movement data as claimed in claim 1, wherein the human body infrared sensing sensor is a thermal infrared human body sensor.
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| CN201921454161.2U CN210835282U (en) | 2019-09-03 | 2019-09-03 | Infrared induction processing system for continuously detecting human body movement data |
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| CN201921454161.2U CN210835282U (en) | 2019-09-03 | 2019-09-03 | Infrared induction processing system for continuously detecting human body movement data |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067146A (en) * | 2020-07-29 | 2020-12-11 | 深圳海翼智新科技有限公司 | PIR sensor detection method, device and system and computer storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067146A (en) * | 2020-07-29 | 2020-12-11 | 深圳海翼智新科技有限公司 | PIR sensor detection method, device and system and computer storage medium |
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Granted publication date: 20200623 Termination date: 20210903 |