CN209962370U

CN209962370U - Specific area intrusion monitoring device based on line laser and machine vision technology

Info

Publication number: CN209962370U
Application number: CN201920859884.4U
Authority: CN
Inventors: 姜航旗; 田勇; 刘长青; 祁一峰; 郑伟刚; 程加雪
Original assignee: Tianjin Agricultural University
Current assignee: Tianjin Agricultural University
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-01-17
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a specific region invasion monitoring devices based on line laser and machine vision technique indicates particularly the device can carry out real-time detection, and then monitor specific region whether there is unusual invasion through line laser to specific region border state. The device comprises a field state acquisition module, a data processing control module and a monitoring terminal module, realizes the discovery and monitoring of invasion behaviors in the surrounding environment area and the analysis of collected information, and sends out an alarm to an invader and reminds the worker if illegal invasion exists. Compared with the prior art, the utility model discloses a device has characteristics such as real-time strong, the rate of accuracy is high, simple structure, cost are lower, can effectively monitor whether there is unusual invasion to specific area in real time.

Description

Specific area intrusion monitoring device based on line laser and machine vision technology

Technical Field

The utility model relates to a specific region invasion monitoring devices based on line laser and machine vision technique specifically relates to one kind can carry out real-time detection, and then monitor specific region whether have unusual invasion to specific region border state through line laser, belongs to the machine vision field.

Background

The security system is widely applied to various industries. However, in some specific fields such as museums, exhibitions, private areas (e.g., parking lots) in public places, the protection requirement for the specific areas is high due to the protection requirement for important articles in public places; meanwhile, areas where the access of the public is not allowed, such as dangerous goods or important goods storage places, enclosing walls, power supply equipment and the like, have high requirements on the monitoring performance of the system. Through research, the main detection methods for the specific area intrusion monitoring field include electromagnetic or distributed optical fiber monitoring, laser correlation sensor monitoring, space movement alarm mode, area detection through image analysis technology and the like, although surrounding abnormality can be detected, the method has high misjudgment rate and high missing judgment rate in the specific area intrusion monitoring field, and can easily avoid detection. Therefore, it is necessary to design a monitoring device for protecting a specific area from intrusion, which has high stability, avoids the influence of environmental factors, and is low in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough that exist among the current specific region detection method and the concrete device, design one kind and can be in real time effectively to specific region whether have unusual invasion to monitor the device.

The monitoring device comprises a field state acquisition module, a data processing control module and a monitoring terminal module. The field state acquisition module is connected with the data processing control module, and the data processing control module is connected with the monitoring terminal module.

The field condition acquisition module comprises an area array camera, a word line laser, a power supply and switch module and a zone edge warning band, wherein the word line laser is arranged in a specific zone and forms an angle larger than 0 degree and smaller than 90 degrees with the horizontal ground, the zone edge warning band is arranged at the edge of the specific zone, the word line laser projects word line laser to the zone edge warning band at the edge of the specific zone, and the area array camera is arranged in the specific zone and above the word line laser and can completely acquire the word line laser and does not exceed the position of the space range of the specific zone.

The data processing control module comprises image processing equipment, an alarm and wireless sending equipment, the area array camera is connected with the image processing equipment, the image processing equipment is connected with the alarm, and the image processing equipment is connected with the wireless sending equipment.

The monitoring terminal module comprises wireless receiving equipment and a computer monitoring terminal, the wireless transmitting equipment transmits monitoring information to the wireless receiving equipment, and the wireless receiving equipment is connected with the computer monitoring terminal.

The zone edge warning belt in the field state acquisition module is a black adhesive tape with a smooth surface, and is used for ensuring the acquisition effect of the laser of the first line and reminding surrounding personnel.

The device has positive effect: (1) the device and the detection method based on the design of the utility model have lower cost and simple structure, and are easy for the staff to carry out system control; (2) when the device is used, the detection rate of intrusion in a specific area can be effectively improved; (3) the field and monitoring terminal of the device of the utility model can give an alarm in real time, thereby effectively reminding personnel entering a specific area and ensuring that monitoring end workers can find abnormal conditions in time, thereby avoiding the consequences caused by invading the specific area; (4) because the line laser light is highly concentrated and has strong penetrating power, the line laser projected by the line laser to the zone edge warning zone has strong adaptability under severe conditions and ideal laser stripe imaging effect.

Drawings

Fig. 1 is a system block diagram of the present invention.

Fig. 2 is an embodiment of the invention used in an exhibition hall for monitoring the area around the exhibit.

Fig. 3 is an embodiment of the present invention used in a situation where a pedestrian is prohibited from approaching a house, and monitoring is performed in the area around the house.

The reference numbers in the above figures are as follows:

1. an area-array camera; 2. a word line laser; 3. an article to be protected; 4. red line laser irradiating the surface of the warning belt at the edge of the area; 5. a zone edge warning band; 6. a showcase; 7. a wall; 8. a house; 9. an image processing apparatus; 10. an alarm; 11. a wireless transmitting device; 12. a wireless receiving device; 13. and (5) monitoring the terminal by a computer.

Detailed Description

The following describes the embodiments of the present invention with reference to the drawings.

Fig. 1 shows a block diagram of the system of the present invention. The device comprises three parts: the system comprises a field state acquisition module, a data processing control module and a monitoring terminal module. The field state acquisition module is connected with the data processing control module, and the data processing control module is connected with the monitoring terminal module; the field condition acquisition module comprises an area array camera, a word line laser, a power supply and switch module and a zone edge warning band, wherein the word line laser is arranged in a specific zone and forms an angle of more than 0 degree and less than 90 degrees with the horizontal ground, the zone edge warning band is arranged at the edge of the specific zone, the word line laser projects word line laser to the zone edge warning band at the edge of the specific zone, and the area array camera is arranged in the specific zone and above the word line laser and can completely acquire the word line laser and does not exceed the position of the space range of the specific zone; the data processing control module comprises image processing equipment, an alarm and wireless sending equipment, the area array camera is connected with the image processing equipment, the image processing equipment is connected with the alarm, and the image processing equipment is connected with the wireless sending equipment; the monitoring terminal module comprises wireless receiving equipment and a computer monitoring terminal, the wireless transmitting equipment transmits monitoring information to the wireless receiving equipment, and the wireless receiving equipment is connected with the computer monitoring terminal.

The detection principle of the device is that whether abnormal invasion behaviors exist in a specific area or not is detected by judging the characteristics of the line laser stripes, and the invasion from any external angle can be reflected in the characteristics of the line laser stripes by reasonably setting the positions and the angles of the camera and the line laser. In the working process of the device, a word line laser projects word line laser to the zone edge warning band, the area array camera collects complete line laser and transmits the complete line laser to the image processing equipment, the image processing equipment processes the collected image in real time and sends the processed image to the wireless receiving equipment through the wireless sending equipment (an alarm is started when abnormal condition is identified), and finally, further fault judgment and manual monitoring are realized at the computer monitoring terminal; meanwhile, the working personnel can operate the image processing equipment and the area array camera through the computer monitoring terminal, and the convenient control of the working personnel on the system device is realized.

Fig. 2 shows an embodiment of the invention used in an exhibition hall for monitoring the area around the exhibit. This embodiment explains the utility model discloses the device can realize carrying out effectual monitoring to the exhibit in the exhibition hall, when the existence takes place the invasion because of the exhibit region all around, probably influences the condition of exhibit safety, and this device can effectively detect, carries out on-the-spot warning and remote report in real time. In the working process of the device, a word line laser projects word line laser to the zone edge warning zone, and the area array camera collects complete line laser and transmits the complete line laser to the image processing equipment. It should be noted that, from the aspect of collection angle and equipment safety, a word line laser and an area array camera both need to be installed inside a specific area, and have an angle greater than 0 degree and less than 90 degrees with the horizontal ground, and the area array camera is installed above the word line laser, can completely collect a word line laser and does not exceed the position of the specific area space range.

Fig. 3 shows an embodiment of the invention for monitoring the area around a house when a pedestrian is prohibited from approaching the house. In order to clearly illustrate the scheme of the device, the device only comprises a linear laser, an area array camera and the like in one direction of a house. According to the scheme, can carry out the expansion of other directions according to actual need. In the working process of the device, a word line laser projects word line laser to the zone edge warning band, the area array camera collects complete line laser and transmits the complete line laser to the image processing equipment, the image processing equipment processes the collected image in real time and sends the processed image to the wireless receiving equipment through the wireless sending equipment (an alarm is started when abnormal condition is identified), and finally, further fault judgment and manual monitoring are realized at the computer monitoring terminal; meanwhile, the working personnel can operate the image processing equipment and the area array camera through the computer monitoring terminal, and the convenient control of the working personnel on the system device is realized.

In the range allowed by the bandwidth of an image data transmission channel, the number of cameras and a word line laser at the acquisition end of the device can be increased to cover the whole area of the edge of the specific area, so that the intrusion state of the specific area can be better monitored in real time. The above description is only for explaining the present invention, but not for limiting the present invention, and the simple deformation or modification made under the core condition of the device of the present invention is not departed from the present invention.

Claims

1. A specific area intrusion monitoring device based on line laser and machine vision technology is characterized by comprising a field state acquisition module, a data processing control module and a monitoring terminal module, wherein the field state acquisition module is connected with the data processing control module; the field condition acquisition module comprises an area array camera, a word line laser, a power supply and switch module and a zone edge warning band, wherein the word line laser is arranged in a specific zone and forms an angle of more than 0 degree and less than 90 degrees with the horizontal ground, the zone edge warning band is arranged at the edge of the specific zone, the word line laser projects word line laser to the zone edge warning band at the edge of the specific zone, and the area array camera is arranged in the specific zone and above the word line laser and can completely acquire the word line laser and does not exceed the position of the space range of the specific zone; the data processing control module comprises image processing equipment, an alarm and wireless sending equipment, the area array camera is connected with the image processing equipment, the image processing equipment is connected with the alarm, and the image processing equipment is connected with the wireless sending equipment; the monitoring terminal module comprises wireless receiving equipment and a computer monitoring terminal, the wireless transmitting equipment transmits monitoring information to the wireless receiving equipment, and the wireless receiving equipment is connected with the computer monitoring terminal.

2. The specific area intrusion monitoring device based on the line laser and machine vision technology as claimed in claim 1, wherein the zone edge warning tape in the on-site status acquisition module is a black adhesive tape with a smooth surface to ensure the acquisition effect of the line laser and remind surrounding personnel.