CN211653144U - Laser matrix type human body dynamic measuring device - Google Patents
Laser matrix type human body dynamic measuring device Download PDFInfo
- Publication number
- CN211653144U CN211653144U CN201921981963.9U CN201921981963U CN211653144U CN 211653144 U CN211653144 U CN 211653144U CN 201921981963 U CN201921981963 U CN 201921981963U CN 211653144 U CN211653144 U CN 211653144U
- Authority
- CN
- China
- Prior art keywords
- processing module
- laser
- human body
- module
- matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011159 matrix material Substances 0.000 title claims abstract description 52
- 238000012545 processing Methods 0.000 claims abstract description 59
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 3
- 230000036544 posture Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 206010000117 Abnormal behaviour Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The utility model provides a human dynamic measurement device of laser matrix, including laser radar matrix module, IO signal processing module, digital image processing module, wireless communication module. The laser radar matrix module is used for acquiring the lattice information of the human body posture by transmitting and receiving laser signals; the IO signal processing module is connected with the input of the laser radar module through a bus technology, and denoises and normalizes the dot matrix information; the digital image processing module processes the processed dot matrix information and applies an algorithm to obtain human body postures including passing speed, passing time, human body height and the like; the wireless communication module is responsible for communicating with the upper computer, obtaining control instructions and reporting measurement information to the upper computer. The utility model discloses the structure is exquisite, control mode is novel, recognition method is high-efficient, and gesture and parameter when the passing through of human body are measured fast to the specially adapted subway floodgate machine passageway.
Description
Technical Field
The utility model relates to a human gesture dynamic measurement technical field especially relates to a human dynamic measurement device of laser matrix.
Background
In the use scenes of gate channels such as high-speed rails, subways and the like, in order to accurately identify and classify the target behaviors of the gate and identify abnormal behaviors such as ticket evasion, the human body posture needs to be measured, so that ticket-free crowds such as children are eliminated. The measurement of body postures such as height and speed can be usually realized based on video image calibration analysis, binocular vision based on a depth camera and the like, but individual measurement and identification cannot be accurately carried out under the conditions that a target body is attached in a short distance and is shielded front and back; meanwhile, the methods based on video images, depth images and the like also have the problems of large interference of surrounding environment, complex calibration, difficulty in installation and deployment and the like. In view of the above, it is necessary to provide a laser matrix dynamic body measurement method for a gate channel usage scenario to solve the problem of body posture measurement in a complex stream environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the deficiencies in the prior art, the utility model provides a human dynamic measurement device of laser matrix for a device of dynamic tracking measurement human gesture in narrow passage.
The utility model provides a technical scheme that its technical problem will adopt is: the utility model provides a human dynamic measuring device of laser matrix formula, includes laser radar matrix, IO signal processing module, master control MCU and wireless communication module, wherein, master control MCU is as digital image processing module.
The laser radar matrix module is used for transmitting and receiving laser signals and acquiring the lattice information of the human body posture;
the IO signal processing module is connected with the laser radar matrix module through a bus and used for processing the dot matrix information;
the main control MCU is used as a digital image processing module, is connected with the IO signal processing module and is used for processing the dot matrix information processed by the IO signal processing module to acquire human body posture information;
the wireless communication module is connected with the digital image processing module and the upper computer, and the digital image processing module is communicated with the upper computer through the wireless communication module to obtain a control instruction and report the measurement information to the upper computer.
The laser radar matrix is used as a measuring unit, and a dot matrix time sequence of human height values when the laser radar matrix passes through a gate channel is acquired according to a certain sampling period; the laser radar matrix module is an array formed by arranging m multiplied by n laser distance sensors according to a certain distance, wherein m represents the number of rows, and n represents the number of columns. The values of m and n are chosen according to the particular application, as is practical.
Specifically, the emitting angle of the laser distance sensor is 25 degrees, the detection distance is 5cm to 180cm, the laser distance sensor is arranged in the height range of 240cm to 340cm from the ground, and people with the height of more than 140cm can be calibrated and measured.
Furthermore, the IO signal processing module, the digital image processing module and the wireless communication module are all integrated on a circuit board and used as a control unit.
Preferably, the master control MCU adopts a single chip with the model number ATMEGA256016 AU.
Further, the IO signal processing module communicates with the master control MCU through SCL and SDA interfaces. The IO signal processing module is used as a centralized acquisition unit and receives the dot matrix height information sent by each sensor through the bus.
Specifically, the IO signal processing module passes through I2The C bus is connected with the laser radar matrix module, and the IO signal processing module is connected with the digital image processing module through a serial port.
Preferably, the wireless communication module is realized based on an ESP-WIFI serial port wireless chip, the model is ESP8266, the wireless communication module is communicated with the main control MCU chip through a TTL serial port to obtain a latest calculation result, and then the processing result is reported to an upper computer system or an internet cloud end in an Http reporting mode through Wifi connection.
The utility model has the advantages that: the utility model provides a pair of human dynamic measurement device of laser matrix, the structure is succinct, and the technique is realized reliably and stably, is particularly suitable for among the narrow passageway people stream and carries out dynamic measurement's scene demand to human height, current speed when sheltering from seriously, and measurement mode such as video image, degree of depth camera have better adaptability.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is the installation of the laser radar matrix of the utility model is schematic.
Fig. 2 is a laser matrix type human body dynamic measuring device control unit.
Fig. 3 is an electrical schematic diagram of the IO signal processing module and the wireless communication module.
Fig. 4 is a circuit schematic of the master MCU of fig. 3.
Fig. 5 is a schematic circuit diagram of the laser distance sensor of fig. 3.
Fig. 6 is a circuit schematic of the wireless communication module of fig. 3.
In the figure: s1, a laser radar matrix module, S2, an IO signal processing module, S3, a digital image processing module, S4 and a wireless communication module.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1-3, the utility model discloses a human dynamic measurement device of laser matrix, hardware device comprises laser radar matrix module S1, IO signal processing module S2, master control MCU and wireless communication module S4, and master control MCU is as digital image processing module S3, and corresponding control method and algorithm operate in digital image processing module S3 hardware for realize concrete functional logic. The laser radar matrix module S1 is used for acquiring the lattice information of the human body posture by transmitting and receiving laser signals; the IO signal processing module S2 is connected with the input of the laser radar module through a bus technology, and carries out denoising and normalization processing on the lattice information; the digital image processing module S3 processes the processed dot matrix information, and obtains the human body posture including passing speed, passing time, human body height and the like by applying an algorithm; the wireless communication module S4 is responsible for communicating with the upper computer, obtaining control instructions and reporting measurement information to the upper computer.
In this embodiment, the laser radar matrix module S1 is formed by arranging 12 rows and 7 columns of laser distance sensors with TOF10120 at an interval of10 cm, the emitting angle of the sensors is 25 °, the detection distance is 5cm to 180cm, and the laser radar matrix module S1 is installed at a height of 320cm from the ground, so that people with a height of more than 140cm can be calibrated and measured. The installation is shown in detail in fig. 1.
As shown in fig. 2 and 3, the IO signal processing module S2, the digital image processing module S3, and the wireless communication module S4 are all integrated on a circuit board, and are used as a control unit, and the chip of the main control MCU adopts an ATMEGA256016AU single chip microcomputer. IO Signal processing Module S2 is I2Sensor interface board of C bus interface, through I2And the C bus is connected with the laser distance sensor.
Wherein, the IO signal processing module S2 communicates with the main control chip through SCL and SDA interfaces, and one I2When the equivalent capacitance on the C bus is lower than 400pF, 127 nodes can be connected in series at most, 84 TOF10120 sensor nodes are connected in series at this time, and an electrical schematic diagram of a laser distance sensor and a main control chip of the TOF10120 is shown in FIG. 2; when the human body passes under the laser radar moment module S1, the IO signal processing module S2 sends the measured human body height value to the digital image processing module S3 through the serial port.
The digital image processing module S3 receives the dot matrix data processed by the IO signal processing module S2, and processes the dot matrix data. The digital image processing module S3 processes data of 84 ranging laser distance sensors in the laser matrix according to the frequency of 20Hz, and judges dynamic information such as human body number, human body height, passing time, passing speed and the like.
The wireless communication module S4 is realized based on an ESP-WIFI serial port wireless chip with the model of ESP8266, the digital image processing module S3 sends data to be output to a TTL serial port unit of the ESP8266 chip through a serial port, and a built-in network communication algorithm can send the data to an upper computer or a cloud server in an Http request mode.
In this example, a USB interface is used to supply power to the whole module, and a USB to serial port chip CH304G is used as an information debugging interface; as shown in fig. 4, the main control MCU chip ATMEGA256016AU single chip is connected to a 16M crystal oscillator, and pins 2 and 3 are connected to pins 2 and 3 of the USB serial-to-serial port chip CH304G, and serve as an output interface for program burning and debugging information.
As shown in fig. 5, the laser radar matrix module S1 is connected with the main control MCU through VCC, GND, SCL, SDA four pins, and the specific connection mode is: pins 80 and 81 of the main control MCU are power VCC and GND interfaces respectively; connected with the corresponding pin of the IO signal processing module S2.
The IO signal processing module S2 is connected to pins 43 and 44 of the master MCU through the I2C bus SCL and SDA interface.
The digital image processing module S3 is used as an algorithm module, operates in the main control MCU chip and realizes updating and data output through the USB interface.
As shown in fig. 6, the wireless communication module S4 is implemented based on an ESP-WIFI serial port wireless chip with the model of ESP8266, and the pin 1 and the pin 8 of the ESP-WIFI serial port wireless chip are connected to the pin 3 after being connected in series with a 1K pull-up resistor, and are connected to the VCC pin of the power supply module; the pin 21 and the pin 22 are RX and TX interfaces of a serial communication protocol, respectively, and are connected to pins 46 and 46 of the main control MCU.
The device identifies a target human body based on a dot matrix sequence, acquires the postures of the height value, the traffic speed and the like of the target human body, can realize interference-free measurement on the human body dynamic state when the pedestrian flow is seriously shielded in scenes such as high-speed rails, subway gate channels and the like, and can provide data support for the behavior identification research of pedestrians passing through the gate.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a human dynamic measurement device of laser matrix which characterized in that: comprises a laser radar matrix module, an IO signal processing module, a main control MCU and a wireless communication module, wherein,
the laser radar matrix module is used for transmitting and receiving laser signals and acquiring the lattice information of the human body posture;
the IO signal processing module is connected with the laser radar matrix module through a bus and used for processing the dot matrix information;
the main control MCU is used as a digital image processing module, is connected with the IO signal processing module and is used for processing the dot matrix information processed by the IO signal processing module to acquire human body posture information;
the wireless communication module is connected with the digital image processing module and the upper computer, and the digital image processing module is communicated with the upper computer through the wireless communication module to obtain a control instruction and report the measured human body posture information to the upper computer.
2. The laser matrix human body dynamic measurement device according to claim 1, wherein: the laser radar matrix module is formed by arranging m multiplied by n laser distance sensors according to a certain distance, wherein m represents the number of rows, and n represents the number of columns.
3. The laser matrix human body dynamic measurement device according to claim 2, characterized in that: the emitting angle of the laser distance sensor is 25 degrees, the detection distance is 5 cm-180 cm, the laser distance sensor is arranged in the height range of 240cm-340cm away from the ground, and people with the height above 140cm are calibrated and measured.
4. The laser matrix human body dynamic measurement device according to claim 1, wherein: the IO signal processing module, the digital image processing module and the wireless communication module are all integrated on one circuit board and used as control units.
5. The laser matrix human body dynamic measurement device according to claim 4, characterized in that: the master control MCU adopts a single chip with the model number of ATMEGA256016 AU.
6. The laser matrix human body dynamic measurement device according to claim 1 or 4, characterized in that: and the IO signal processing module is communicated with the master control MCU through SCL and SDA interfaces.
7. The laser matrix human body dynamic measurement device according to claim 6, characterized in that: the IO signal processing module passes through I2The C bus is connected with the laser radar matrix module, and the IO signal processing module is connected with the digital image processing module through a serial port.
8. The laser matrix human body dynamic measurement device according to claim 1, wherein: the wireless communication module is realized based on an ESP-WIFI serial port wireless chip with the model of ESP 8266.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921981963.9U CN211653144U (en) | 2019-11-18 | 2019-11-18 | Laser matrix type human body dynamic measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921981963.9U CN211653144U (en) | 2019-11-18 | 2019-11-18 | Laser matrix type human body dynamic measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211653144U true CN211653144U (en) | 2020-10-09 |
Family
ID=72692373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921981963.9U Active CN211653144U (en) | 2019-11-18 | 2019-11-18 | Laser matrix type human body dynamic measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211653144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113887388A (en) * | 2021-09-29 | 2022-01-04 | 云南特可科技有限公司 | Dynamic target recognition and human body behavior analysis system |
| CN114152283A (en) * | 2021-11-24 | 2022-03-08 | 山东蓝创网络技术股份有限公司 | Family old-care nursing bed service supervision system based on stereoscopic dot matrix technology |
-
2019
- 2019-11-18 CN CN201921981963.9U patent/CN211653144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113887388A (en) * | 2021-09-29 | 2022-01-04 | 云南特可科技有限公司 | Dynamic target recognition and human body behavior analysis system |
| CN114152283A (en) * | 2021-11-24 | 2022-03-08 | 山东蓝创网络技术股份有限公司 | Family old-care nursing bed service supervision system based on stereoscopic dot matrix technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211653144U (en) | Laser matrix type human body dynamic measuring device | |
| CN103218906B (en) | To fall data collection and analysis platform | |
| WO2014145985A3 (en) | Inline calibration of motion sensor | |
| CN111310692A (en) | Detection object management method, system, machine readable medium and equipment | |
| CN106851183B (en) | Multi-channel video processing system and method based on FPGA | |
| CN108538134A (en) | A kind of army's assassination combat training examination assessment system | |
| CN106839963A (en) | A kind of bus deformeters of AXIe 0 and strain testing method | |
| CN108939390A (en) | Trampolinist's drop point site detection system | |
| CN107748011A (en) | The test system and method for testing of medium-wave infrared detector image-forming time delay | |
| CN104013401B (en) | A kind of human body electroencephalogram's signal and action behavior signal synchronous collection system and method | |
| CN111035393B (en) | Three-dimensional gait data processing method, system, server and storage medium | |
| CN105261278A (en) | Camera module group demonstration tool system, and communication and detection method thereof | |
| CN211213161U (en) | High-precision time synchronization sole pressure measuring system | |
| CN104760813A (en) | Belt detection warning device based on laser ranging | |
| US11585913B2 (en) | Ultra-wideband-based system and method for detecting properties associated with a movable object in an environment | |
| US9438216B2 (en) | Compensation time computing method and device for clock difference | |
| CN207586343U (en) | A kind of wiring board open-short circuit device | |
| CN107807738B (en) | Head motion capturing system and method for VR display glasses | |
| CN206532312U (en) | Transmission system based on Quick Response Code | |
| CN112136709B (en) | Motion state monitoring method, device, equipment and readable storage medium | |
| CN109005404A (en) | A kind of test macro and method of detectable camera module type | |
| CN212482498U (en) | Synchronous acquisition device for different equipment of athlete postures | |
| CN103353604A (en) | X-ray imaging system | |
| EP2908157A1 (en) | Arrangement of portable display system for radiation detection | |
| Kryszyn et al. | Development of electrical capacitance tomograph design in the nuclear and medical electronics division |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231120 Address after: 213000 Business Center B-601, Changzhou Science and Education City, No. 18 Changwu Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Xiaokai Intelligent Electronic Technology Co.,Ltd. Address before: 213164 No.28, Mingxin Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Polytechnic |