CN112529140A - Infrared temperature sensing people counting device - Google Patents
Infrared temperature sensing people counting device Download PDFInfo
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- CN112529140A CN112529140A CN202011413722.1A CN202011413722A CN112529140A CN 112529140 A CN112529140 A CN 112529140A CN 202011413722 A CN202011413722 A CN 202011413722A CN 112529140 A CN112529140 A CN 112529140A
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- infrared temperature
- control module
- digital display
- display counter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
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Abstract
The invention provides an infrared temperature sensing people counting device, which is electrically connected with an alarm device; the statistical device is arranged above the inlet, an infrared temperature sensor, a wireless transmission module, a first control module, an entering number digital display counter, an outgoing number digital display counter and a second control module are arranged in the statistical device, the infrared temperature sensor is connected with the wireless transmission module through a transmission circuit, the output end of the wireless transmission module is connected with the first control module, the first control module is respectively connected with the entering number digital display counter and the outgoing number digital display counter, and the entering number digital display counter and the outgoing number digital display counter are connected with the second control module; the infrared temperature sensor is used for detecting the flow of people, so that the difficulty in image video detection is effectively avoided, and the accuracy rate is low; through the cooperation of adopting transmission circuit and radio transmission module, can count respectively entering flow of people and the flow of people of going out, improve statistics device's suitability.
Description
Technical Field
The invention relates to the technical field of people counting, in particular to an infrared temperature sensing people counting device.
Background
The people flow rate statistic problem is the leading direction which is concerned about in the field of computer vision and intelligent security monitoring in recent years. The method can be widely applied to public places such as markets, tourist attractions, exhibition halls and the like, can obtain the current incoming and outgoing pedestrian volume and the pedestrian flow density in the area in time, and provides data support for management, safety early warning and pedestrian flow guidance.
The existing people flow statistical method mainly comprises a blocking judgment detection method based on infrared and ultrasonic technology and a human shape characteristic detection method based on image video processing, the human flow statistical timing is often difficult to judge true and false human body targets based on the infrared and ultrasonic technology, the human shape characteristic detection method based on the image video processing is often difficult to obtain human body motion parameters by a method of modeling a complete human body, the detection is very difficult, and the accuracy is not high; most of the existing statistical devices are single-pass statistical calculation, the traffic flow cannot be counted, the adaptability is low, particularly in large-scale shopping malls, when the traffic flow of people entering the shopping malls is too large and the traffic flow of people going out is less, people flow congestion is easily caused, and treading events occur, so that the device for counting the number of people entering the shopping malls and the number of people going out is needed.
Disclosure of Invention
In view of the problems in the prior art, the invention provides an infrared temperature sensing people counting device, which is used for solving the problems of difficulty in image video processing and detection, low accuracy and low one-way counting adaptability.
The technical scheme is that the device comprises a statistical device and an alarm device, wherein the statistical device is electrically connected with the alarm device; the counting device is a rectangular shell and is installed above an inlet, an included angle of 30-60 degrees is formed between the counting device and the horizontal plane, an infrared temperature sensor, a wireless transmission module, a first control module, an entrance number digital display counter, an exit number digital display counter and a second control module are arranged in the counting device, the infrared temperature sensor is connected with the wireless transmission module through a transmission circuit, the output end of the wireless transmission module is connected with the first control module, the first control module is respectively connected with the entrance number digital display counter and the exit number digital display counter, and the entrance number digital display counter and the exit number digital display counter are connected with the second control module.
As a preferred technical solution of the present invention, the transmission circuit includes a signal filtering circuit, an amplifying circuit, and a voltage comparing circuit, the infrared temperature sensor is connected to the signal filtering circuit, and the signal filtering circuit is connected to the voltage comparing circuit through the amplifying circuit.
In a preferred embodiment of the present invention, the alarm device is a buzzer.
In a preferred embodiment of the present invention, the first control module and the second control module have microprocessors.
As a preferred technical solution of the present invention, the infrared temperature sensor is a pyroelectric infrared sensor.
The invention has the beneficial effects that: according to the invention, the infrared temperature sensor is adopted to detect the flow of people, so that the difficulty in image video detection is effectively avoided, and the accuracy rate is low; through the cooperation of adopting transmission circuit and radio transmission module, can count respectively entering flow of people and the flow of people of going out, improve statistics device's suitability.
Drawings
FIG. 1 is a block diagram schematically illustrating the structure of the present invention;
fig. 2 is a schematic block diagram of a transmission circuit of the present invention.
In the figure: the system comprises an infrared temperature sensor 1, a transmission circuit 2, a wireless transmission module 3, a first control module 4, an entering digital display counter 5, an exiting digital display counter 6, a second control module 7, an alarm device 8, a signal filtering circuit 21, an amplifying circuit 22 and a voltage comparison circuit 23.
Detailed Description
The technical solution of the present invention will be described in detail by specific examples.
As shown in fig. 1 to 2, the device comprises a statistical device and an alarm device 8, wherein the statistical device is electrically connected with the alarm device 8; the device is characterized in that the statistical device is a rectangular shell and is installed above an inlet, an included angle of 30-60 degrees is formed between the statistical device and the horizontal plane, an infrared temperature sensor 1, a wireless transmission module 3, a first control module 4, an entering digital display counter 5, an outgoing digital display counter 6 and a second control module 7 are arranged in the statistical device, the infrared temperature sensor 1 is connected with the wireless transmission module 3 through a transmission circuit 2, the output end of the wireless transmission module 3 is connected with the first control module 4, the first control module 4 is respectively connected with the entering digital display counter 5 and the outgoing digital display counter 6, and the entering digital display counter 5 and the outgoing digital display counter 6 are connected with the second control module 7.
In this embodiment, the transmission circuit 2 includes a signal filter 21, an amplifying circuit 22, and a voltage comparison circuit 23, the infrared temperature sensor 1 is connected to the signal filter 21, and the signal filter 21 is connected to the voltage comparison circuit 23 through the amplifying circuit 22.
In this embodiment, the alarm device 8 is a buzzer.
In this embodiment, the first control module 4 and the second control module 7 have microprocessors therein.
In this embodiment, the infrared temperature sensor 1 is a pyroelectric infrared sensor.
The working principle of the invention is as follows: when the device is used, the statistical device is arranged above an inlet and forms an included angle of 45 degrees with the horizontal plane, the infrared temperature sensor 1 forms an included angle of 45 degrees with the horizontal plane, the detection area range is the largest, when a person passes through the device, the infrared temperature sensor 1 transmits different signal voltages according to different directions of the person passing through a detection view field, the interference caused by the temperature change of the infrared temperature sensor 1 is reduced through signal filtering 21, the voltage is amplified through an amplifying circuit 22, compared with a preset voltage value through a voltage comparison circuit 23, the comparison result is transmitted to a first control module 4 through a wireless transmission module 3 and is input into an entering digital display counter 5 or an exiting digital display counter 6, and the people flow statistical monitoring is completed; when the difference between the number of people entering the system and the number of people going out reaches the preset value, the second control module 7 controls the alarm device 8 to give an alarm to indicate that the flow of people of the working personnel is large, so that the external personnel are prevented from entering the system, and people flow congestion is avoided.
In addition, the microprocessor adopts an Edimell 87C51 type singlechip, and a pin of 87C51 and a connection mode, so that technical advices can be obtained by technicians in the field by referring to textbooks or technical manuals published by manufacturers; the circuit connections according to the invention are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. An infrared temperature sensing people counting device comprises a counting device and an alarm device (8), wherein the counting device is electrically connected with the alarm device (8); the method is characterized in that: the statistical device is a rectangular shell, is arranged above the inlet and forms an included angle of 30-60 degrees with the horizontal plane, the counting device is internally provided with an infrared temperature sensor (1), a wireless transmission module (3), a first control module (4), an entering digital display counter (5), an outgoing digital display counter (6) and a second control module (7), the infrared temperature sensor (1) is connected with the wireless transmission module (3) through a transmission circuit (2), the output end of the wireless transmission module (3) is connected with the first control module (4), the first control module (4) is respectively connected with the digital display counter of the number of people entering (5) and the digital display counter of the number of people going out (6), the digital display counter of the number of people entering (5) and the digital display counter of the number of people going out (6) are connected with the second control module (7).
2. The infrared temperature sensing people counting device according to claim 1, characterized in that: the transmission circuit (2) comprises a signal filtering circuit (21), an amplifying circuit (22) and a voltage comparison circuit (23), the infrared temperature sensor (1) is connected with the signal filtering circuit (21), and the signal filtering circuit (21) is connected with the voltage comparison circuit (23) through the amplifying circuit (22).
3. The infrared temperature sensing people counting device according to claim 1, characterized in that: the alarm device (8) adopts a buzzer.
4. The infrared temperature sensing people counting device according to claim 1, characterized in that: and microprocessors are arranged in the first control module (4) and the second control module (7).
5. The infrared temperature sensing people counting device according to claim 1, characterized in that: the infrared temperature sensor (1) adopts a pyroelectric infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413722.1A CN112529140A (en) | 2020-12-07 | 2020-12-07 | Infrared temperature sensing people counting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413722.1A CN112529140A (en) | 2020-12-07 | 2020-12-07 | Infrared temperature sensing people counting device |
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| Publication Number | Publication Date |
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| CN112529140A true CN112529140A (en) | 2021-03-19 |
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| CN202011413722.1A Pending CN112529140A (en) | 2020-12-07 | 2020-12-07 | Infrared temperature sensing people counting device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007127338A (en) * | 2005-11-04 | 2007-05-24 | Matsushita Electric Ind Co Ltd | Ventilation device |
| CN104167034A (en) * | 2014-06-17 | 2014-11-26 | 武汉理工大学 | Human body counting device based on pyroelectric technology |
| CN110470402A (en) * | 2019-07-24 | 2019-11-19 | 南昌艾芮森医疗科技有限公司 | A kind of body state detection device and method based on pyroelectricity technology |
| CN210377094U (en) * | 2019-09-02 | 2020-04-21 | 南京信息工程大学 | People flow monitored control system based on thing networking |
-
2020
- 2020-12-07 CN CN202011413722.1A patent/CN112529140A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007127338A (en) * | 2005-11-04 | 2007-05-24 | Matsushita Electric Ind Co Ltd | Ventilation device |
| CN104167034A (en) * | 2014-06-17 | 2014-11-26 | 武汉理工大学 | Human body counting device based on pyroelectric technology |
| CN110470402A (en) * | 2019-07-24 | 2019-11-19 | 南昌艾芮森医疗科技有限公司 | A kind of body state detection device and method based on pyroelectricity technology |
| CN210377094U (en) * | 2019-09-02 | 2020-04-21 | 南京信息工程大学 | People flow monitored control system based on thing networking |
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Application publication date: 20210319 |
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| RJ01 | Rejection of invention patent application after publication |