CN111738222A - Safety helmet detection device and method - Google Patents
Safety helmet detection device and method Download PDFInfo
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- CN111738222A CN111738222A CN202010737368.1A CN202010737368A CN111738222A CN 111738222 A CN111738222 A CN 111738222A CN 202010737368 A CN202010737368 A CN 202010737368A CN 111738222 A CN111738222 A CN 111738222A
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- 238000001514 detection method Methods 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims description 4
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
The invention discloses a safety helmet detection device and a safety helmet detection method, which comprise a detection channel, wherein a warning system is arranged in the detection channel, a cooling area and a detection area are sequentially arranged in the detection channel, an air cooling assembly is arranged in the cooling area, a thermal camera and a light source camera are arranged in the detection area, the thermal camera and the light source camera simultaneously take pictures of the head area of a human body, and the shot pictures are used for judging whether a safety helmet is worn through an image detection module. The light source camera and the thermal camera are arranged to shoot simultaneously to acquire image information, and the accuracy of image acquisition is ensured by utilizing different imaging modes of the two cameras; and the images collected by the light source camera and the thermal camera are detected simultaneously, namely the two same detection paths ensure the accuracy of the detection result through a dual detection mode.
Description
Technical Field
The invention relates to the technical field of safety equipment detection, in particular to a safety helmet detection device, a safety helmet detection method and a safety helmet detection method.
Background
Along with the development of social economy, the building industry develops faster and faster, and correspondingly, the potential safety hazard brought by the building industry is more and more attractive. The construction site has a plurality of field operations, which inevitably bring some safety problems, such as falling objects, and the operators and the workers in the construction site urgently need some safety protection measures, such as wearing safety helmets, so as to effectively prevent the occurrence of safety accidents. Safety accidents happen frequently due to low safety awareness of workers or due to the fact that safety helmets are not worn when workers enter a working place due to certain external factors.
Therefore, the safety helmet is accurately detected to remind workers who do not wear the safety helmet to wear the safety helmet, and safety accidents are avoided to a certain extent. The existing safety helmet detection mostly adopts a single common light-sensitive camera to shoot to obtain the head picture of an operator, and due to the influences of light conditions, the using function of the camera and the like, shooting errors are inevitable, and finally the detection result is wrong.
Disclosure of Invention
The invention aims to provide a safety helmet detection device and a safety helmet detection method, which are used for solving the technical problems in the background technology by improving the accuracy of obtaining image information of the head of an operator and increasing the accuracy of safety helmet detection.
The invention discloses a safety helmet detection device, which comprises a detection channel, wherein a warning system is arranged in the detection channel, a cooling area and a detection area are sequentially arranged in the detection channel, an air cooling assembly is arranged in the cooling area, a thermal camera and a light source camera are arranged in the detection area, the thermal camera and the light source camera simultaneously take pictures of the head area of a human body, and the shot pictures are used for judging whether a safety helmet is worn through an image detection module.
In a preferred embodiment, the air cooling assembly includes an air cooler and an air guide cover fixedly connected to an air outlet of the air cooler, a sealing plate is disposed on a side of the air guide cover away from the air outlet, and a plurality of air cooling channels are disposed on the sealing plate.
In a preferred embodiment, the light source camera and the thermal camera are rotatably fixed at the exit of the detection channel by a fixing bracket and aligned with the inside of the detection channel, and a rotating rod for controlling the rotation angle of the camera is connected to the fixing bracket.
In a preferred embodiment, the image detection module comprises an information storage unit, a head detection unit, a safety helmet detection unit and a head safety helmet joint state determination unit, and the head safety helmet joint state determination unit transmits a detection signal to the warning system.
In a preferred embodiment, the warning system comprises a main control unit, an entrance guard unit and an alarm unit, wherein the main control unit receives detection signals of the head and helmet joint state determining unit, and the entrance guard unit and the alarm unit respectively receive control signals of the main control unit.
A headgear detection method comprising:
cooling the safety helmet by workers entering the safety channel through the cooling area;
respectively acquiring head area images of workers entering the detection by adopting a light source camera and a thermal camera, and simultaneously transmitting the acquired image information to an image detection module;
distinguishing the images shot by the light source camera and the thermal camera respectively through two same detection paths;
the two identical detection paths are: firstly, detecting a shot image according to a human head detection model by a human head detection unit to obtain a human head area; then, detecting the shot image through a safety helmet detection unit according to the safety helmet position detection model to obtain a safety helmet area; finally, obtaining the head safety helmet joint state according to the distance and the overlapping area of the head area and the safety helmet area through a head safety helmet joint state determining unit, and transmitting a detection signal to a main control unit;
if the detection results of the two paths are both wearing the safety helmet, the main control unit transmits a signal to the access control unit to control the door to be opened; if the detection results of the two detection paths are different, the main control unit transmits a signal to the alarm unit.
The technical scheme of the invention has the beneficial effects that:
1. the light source camera and the thermal camera are arranged to shoot simultaneously to acquire image information, and the accuracy of image acquisition is ensured by utilizing different imaging modes of the two cameras; and the images collected by the light source camera and the thermal camera are detected simultaneously, namely the two same detection paths ensure the accuracy of the detection result through a dual detection mode.
2. Through set up cooling area in the testing passage, guarantee to make the helmet surface temperature be less than human body temperature, the definition of the photosensitive camera shooting picture of being convenient for.
Drawings
Figure 1 is a side view of the overall structure of the present invention,
FIG. 2 is a schematic view of the air-cooled assembly of the present invention,
figure 3 is a heat sensitive camera and light source camera mounting of the present invention,
fig. 4 is a structural diagram of an image detection module.
Description of reference numerals: the device comprises a detection channel 1, a cooling area 2, a detection area 3, an air cooling assembly 4, an air cooler 5, an air guide cover 6, an air cooling channel 7, a light source camera 8, a heat-sensitive camera 9, a fixing support 10, a rotating rod 11, a mounting plate 12, a channel door 13 and an alarm 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
As shown in fig. 1, the safety helmet detection device according to the technical scheme of the invention comprises a detection channel 1, a warning system is arranged in the detection channel 1, a cooling area 2 and a detection area 3 are sequentially arranged in the detection channel 1, an air cooling assembly 4 is arranged in the cooling area, a thermal camera 9 and a light source camera 8 are arranged in the detection area, the thermal camera 9 and the light source camera 8 photograph a human head area simultaneously, and the photographed images are used for judging whether a safety helmet is worn through an image detection module. The light source camera 8 is a general camera that can photograph under light, and the thermal camera 9 is an ultraviolet camera that recognizes the contour of a human body by ultraviolet rays. The light source camera 8 and the thermal camera 9 are arranged to shoot simultaneously to acquire image information, and the accuracy of image acquisition is ensured by utilizing the different imaging modes of the two cameras; and the images collected by the light source camera 8 and the thermal camera 9 are detected simultaneously, namely, the two same detection paths ensure the accuracy of the detection result through a double detection mode.
As shown in fig. 2, the air-cooled assembly 4 includes an air cooler 5 and an air guide cover 6 fixedly connected to an air outlet of the air cooler 5, a sealing plate is disposed on a side of the air guide cover 6 away from the air outlet, and a plurality of air-cooled channels 7 are disposed on the sealing plate. The cold wind that air-cooler 5 blew out gathers in wind scooper 6 through wind scooper 6 at first, and the rethread sets up air-cooled channel 7 on the closing plate and discharges, and this makes exhaust cold wind speed great, and when the workman got into that air-cooled subassembly 4 is located and falls to regional 2 departments, cold wind blows the safety helmet of staff with the cold wind through air-cooled channel 7 on, cools down the safety helmet, guarantees that when the workman gets into detection area 3 departments, the safety helmet outside temperature is less than human body temperature.
As shown in fig. 3, the light source camera 8 and the thermal camera 9 are rotatably fixed at the exit of the detection channel 1 through a fixing bracket 10, the fixing bracket 10 is fixed on a mounting plate 12 at the top of the detection door and is aligned with the inside of the detection channel 1, and a rotating rod 11 for controlling the rotation angle of the camera is connected to the fixing bracket 10. Dwang 11 one end is rotated with fixed bolster 10 and is connected, and the other end rotates to be fixed on detecting channel 1, and dwang 11 can stretch out and draw back, makes fixed bolster 10 rotate through flexible to adjustment camera inclination.
As shown in fig. 4, the image detection module includes an information storage unit, a head detection unit, a safety helmet detection unit, and a head safety helmet joint state determination unit, and the head safety helmet joint state determination unit transmits a detection signal to the warning system. The warning system comprises a main control unit, an entrance guard unit and an alarm unit, wherein the main control unit receives detection signals of the head helmet joint state determining unit, and the entrance guard unit and the alarm unit respectively receive control signals of the main control unit. The main control unit determines a unit detection signal through the head safety helmet combined state, if the result is that the detection is passed, the detection signal is transmitted to the access control unit to control the access door 13 to be opened, if the result is not passed, the detection signal is transmitted to the alarm unit, and the alarm 14 gives an alarm to prompt that the safety helmet is not worn. .
A headgear detection method comprising:
cooling the safety helmet by workers entering the safety channel through the cooling area 2;
respectively acquiring head area images of workers entering the detection by adopting a light source camera 8 and a thermal camera 9, and simultaneously transmitting acquired image information to an image detection module;
images shot by the light source camera 8 and the thermal camera 9 are respectively distinguished through two same detection paths;
the two identical detection paths are: firstly, detecting a shot image according to a human head detection model by a human head detection unit to obtain a human head area; then, detecting the shot image through a safety helmet detection unit according to the safety helmet position detection model to obtain a safety helmet area; finally, obtaining the head safety helmet joint state according to the distance and the overlapping area of the head area and the safety helmet area through a head safety helmet joint state determining unit, and transmitting a detection signal to a main control unit;
if the detection results of the two paths are both wearing the safety helmet, the main control unit transmits a signal to the access control unit to control the door to be opened; if the detection results of the two detection paths are different, the main control unit transmits a signal to the alarm unit.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (6)
1. The utility model provides a safety helmet detection device, includes the testing channel, be equipped with warning system in the testing channel, its characterized in that: the safety helmet is characterized in that a cooling area and a detection area are sequentially arranged in the detection channel, an air cooling assembly is arranged in the cooling area, a heat-sensitive camera and a light source camera are arranged in the detection area, the heat-sensitive camera and the light source camera shoot the head area of the human body at the same time, and whether the safety helmet is worn or not is judged through an image detection module according to shot images.
2. A safety helmet detection apparatus as claimed in claim 1, wherein: the air cooling component comprises an air cooler and an air guide cover fixedly connected with an air outlet of the air cooler, a sealing plate is arranged on the side, away from the air outlet, of the air guide cover, and a plurality of air cooling channels are arranged on the sealing plate.
3. A safety helmet detection apparatus as claimed in claim 1, wherein: the light source camera with the temperature sensing camera passes through the fixed bolster rotation to be fixed in the detection passageway exit, and aims at inside the detection passageway, be connected with the dwang that is used for controlling camera turned angle on the fixed bolster.
4. A safety helmet detection apparatus as claimed in claim 1, wherein: the image detection module comprises an information storage unit, a head detection unit, a safety helmet detection unit and a head safety helmet joint state determination unit, and the head safety helmet joint state determination unit transmits a detection signal to the warning system.
5. A safety helmet detection apparatus as claimed in claim 1, wherein: the warning system comprises a main control unit, an entrance guard unit and an alarm unit, wherein the main control unit receives the detection signal of the head helmet combined state determining unit, and the entrance guard unit and the alarm unit respectively receive the control signal of the main control unit.
6. A method of detecting safety helmets according to any of claims 1 to 6, comprising:
cooling the safety helmet by workers entering the safety channel through the cooling area;
respectively acquiring head area images of workers entering the detection by adopting a light source camera and a thermal camera, and simultaneously transmitting the acquired image information to an image detection module;
distinguishing the images shot by the light source camera and the thermal camera respectively through two same detection paths;
the two identical detection paths are: firstly, detecting a shot image according to a human head detection model by a human head detection unit to obtain a human head area; then, detecting the shot image through a safety helmet detection unit according to the safety helmet position detection model to obtain a safety helmet area; finally, obtaining the head safety helmet joint state according to the distance and the overlapping area of the head area and the safety helmet area through a head safety helmet joint state determining unit, and transmitting a detection signal to a main control unit;
if the detection results of the two paths are both wearing the safety helmet, the main control unit transmits a signal to the access control unit to control the door to be opened; if the detection results of the two detection paths are different, the main control unit transmits a signal to the alarm unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010737368.1A CN111738222A (en) | 2020-07-28 | 2020-07-28 | Safety helmet detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010737368.1A CN111738222A (en) | 2020-07-28 | 2020-07-28 | Safety helmet detection device and method |
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| CN111738222A true CN111738222A (en) | 2020-10-02 |
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| CN202010737368.1A Pending CN111738222A (en) | 2020-07-28 | 2020-07-28 | Safety helmet detection device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110042814A (en) * | 2009-10-20 | 2011-04-27 | (주)텔레콤랜드 | Nighttime monitorring system of safety helmet |
| CN104021648A (en) * | 2014-06-22 | 2014-09-03 | 朱明增 | Intelligent monitoring and early warning system for safety helmet wearing on transformer substation site |
| CN104537346A (en) * | 2014-12-26 | 2015-04-22 | 苏州福丰科技有限公司 | Multi-dimensional human face recognition device |
| CN106372662A (en) * | 2016-08-30 | 2017-02-01 | 腾讯科技（深圳）有限公司 | Helmet wearing detection method and device, camera, and server |
| CN108764071A (en) * | 2018-05-11 | 2018-11-06 | 四川大学 | It is a kind of based on infrared and visible images real human face detection method and device |
-
2020
- 2020-07-28 CN CN202010737368.1A patent/CN111738222A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110042814A (en) * | 2009-10-20 | 2011-04-27 | (주)텔레콤랜드 | Nighttime monitorring system of safety helmet |
| CN104021648A (en) * | 2014-06-22 | 2014-09-03 | 朱明增 | Intelligent monitoring and early warning system for safety helmet wearing on transformer substation site |
| CN104537346A (en) * | 2014-12-26 | 2015-04-22 | 苏州福丰科技有限公司 | Multi-dimensional human face recognition device |
| CN106372662A (en) * | 2016-08-30 | 2017-02-01 | 腾讯科技（深圳）有限公司 | Helmet wearing detection method and device, camera, and server |
| CN108764071A (en) * | 2018-05-11 | 2018-11-06 | 四川大学 | It is a kind of based on infrared and visible images real human face detection method and device |
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