CN211602178U - Automatic human body temperature measurement system based on face recognition - Google Patents
Automatic human body temperature measurement system based on face recognition Download PDFInfo
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- CN211602178U CN211602178U CN202020515541.9U CN202020515541U CN211602178U CN 211602178 U CN211602178 U CN 211602178U CN 202020515541 U CN202020515541 U CN 202020515541U CN 211602178 U CN211602178 U CN 211602178U
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Abstract
The utility model discloses an automatic human temperature measurement system based on face identification belongs to the electron technical field, including visible light camera, ranging module, infrared temperature detector, detector control cloud platform, the automatic temperature measurement module of face identification, entrance guard's interface, acousto-optic display screen, communication module and cloud ware. When the human body temperature measurement is needed in epidemic situations or some special places, an operator can carry out remote human body temperature measurement on a person to be measured in the moving process; the system automatically identifies and automatically carries out accurate temperature measurement on a plurality of temperature measurement points of exposed skin in a face non-shielding area, if the temperature is abnormal, an alarm is given, a test result is uploaded to the cloud platform, the test result is stored, the temperature measurement condition can be remotely seen in real time, and the existing access control function can be combined to judge whether the body temperature is normal under the condition that the access control allows the door to be opened, so that the access control can be opened and the passage is allowed. By combining various entrance guards in the market, the entrance guard is opened after card swiping and temperature measurement are met, and the cross infection hidden danger caused by close-range temperature measurement at the entrance and exit of the gate is avoided.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to automatic human temperature measurement system based on face identification.
Background
At present, human body temperature measurement needs operators to carry temperature measuring instruments to measure temperature face to face, so that the possibility of spreading epidemic situation caused by contact between people is increased; or the airport, the railway station and the like which need to carry out large-flow quick temperature measurement adopt an infrared imaging mode, but the cost is high, so that the common temperature measurement point of the public cannot be used; or some temperature measuring equipment can measure temperature only in a fixed direction and by removing the face protection measures, so that the possibility of infection which possibly causes epidemic situation is increased. Therefore, a low-price temperature measuring device needs to be designed, which can be practical for the public, does not need to be close to the public, automatically monitors the exposed skin area of the face in the movement and accurately measures the temperature at multiple points, can reduce the condition of mutual infection of people caused by temperature measurement in certain directions due to close contact of the people, removal of protective measures and standing, and can be combined with the existing access control system to realize that the access control can be opened in the modes of swiping the card of the existing access control after the body temperature is normal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic human temperature measurement system based on face identification, there is the technical problem of cross infection hidden danger in the gate access & exit closely temperature measurement of community or the extirpation protection facility scheduling problem during the solution epidemic situation.
Automatic human temperature measurement system based on face identification, including visible light camera, ranging module, infrared temperature measurement detector, infrared detector control cloud platform, the automatic temperature measurement module of face identification, entrance guard's interface, acousto-optic display screen, communication module and cloud ware, visible light camera, ranging module, infrared temperature measurement detector, entrance guard's interface, acousto-optic display screen all are connected with the automatic temperature measurement module of face identification, the automatic temperature measurement module of face identification is connected with cloud ware through communication module, the automatic temperature measurement module of face identification is connected with outside entrance guard's system through and entrance guard's interface.
The distance measurement module is an ultrasonic distance measurement module.
The infrared temperature measurement sensor is arranged on the detector control holder and is connected with the face recognition automatic temperature measurement module.
The scheme also comprises a power supply module which is respectively connected with each part of the system for supplying power.
Detector control cloud platform includes the base, with the base rotates the link of connecting, is used for the drive the link is relative base yaw rotation's first driving piece, with the link rotates the detector casing of connecting, is used for the drive the detector casing is relative link every single move pivoted second driving piece, locate infrared temperature detector in the detector casing and be used for the drive infrared temperature detector is relative the detector casing rolls pivoted third driving piece, infrared temperature detector is relative detector casing pivoted axis of rotation with infrared temperature detector's optical axis is parallel or the coincidence, just the detector casing is the closure form and its inside has and is used for holding infrared temperature detector's the chamber that holds, and the link is the U-shaped support.
The U-shaped support includes the bottom and connect respectively in two lateral parts of bottom both sides, the bottom with first driving piece is connected, the detector casing presss from both sides and locates two between the lateral part, just the axis of rotation of detector casing passes two the lateral part sets up.
The output shaft of the first driving part is fixedly connected with the bottom, the rotating shaft of the U-shaped support penetrates through the center of the bottom and the center of the base, the infrared temperature measurement detector is detachably connected with the detector shell, first through holes are formed in the two side parts, the output shaft of the second driving part penetrates through one of the first through holes and is fixedly connected with the detector shell, a first bearing is arranged in the other first through hole and is fixedly connected with the detector shell, the detector shell comprises a first plane, a second plane and an arc surface for connecting the first plane and the second plane, the first plane and the second plane are parallel to each other, the first plane and the second plane are respectively arranged opposite to the two side parts, and the first plane is fixedly connected with the output shaft of the second driving part, the second plane is fixedly connected with the first bearing, and the first driving piece, the second driving piece and the third driving piece are all hollow cup motors.
The utility model adopts the above technical scheme, the utility model discloses following technological effect has:
the utility model discloses a can be so that when the epidemic situation needs the temperature measurement, operating personnel with by the remote temperature measurement personnel carry out remote temperature measurement, can see the temperature measurement result in real time through remote terminal, and can combine entrance guard's function to judge under the entrance guard's permission condition of opening the door that the normal side of body temperature can be opened entrance guard current, automatic do not have a plurality of temperature measurement points of exposed skin region that shelter from to the face of removal and carry out accurate temperature measurement, if the temperature is unusual then report to the police, combine the entrance guard on the existing market, can reach and open entrance guard after the temperature measurement of punching the card satisfies, thereby avoid the cross infection hidden danger that the temperature measurement.
Drawings
Fig. 1 is a block diagram of the system structure of the present invention.
Fig. 2 is a schematic diagram of the tripod head structure of the present invention.
Fig. 3 is an exploded view of the cradle head of the present invention.
Fig. 4 is a cross-sectional view of the present invention.
Reference numbers in the figures: 1-a base; 2-a first driving member; 3-U-shaped bracket; 31-bottom; 32-lateral part; 320-a first via; 4-a second driving member; 5-a first bearing; 6-a detector housing; 60-a second via; 61-upper cover; 62-lower cover; 7-a third drive member; 8-infrared temperature measuring detector; 9-second bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1, according to the utility model discloses an automatic human temperature measurement system based on face identification, including visible light camera, ranging module, infrared temperature measurement detector, detector control cloud platform, the automatic temperature measurement module of face identification, entrance guard's interface, acousto-optic display screen, communication module, cloud ware and power module, visible light camera, ranging module, infrared temperature measurement detector, entrance guard's interface, acousto-optic display screen all are connected with the automatic temperature measurement module of face identification, the automatic temperature measurement module of face identification is connected with cloud ware through communication module, the automatic temperature measurement module of face identification is connected with outside entrance guard's headtotail through the entrance guard's interface.
The distance measurement module is an ultrasonic distance measurement module, and the ultrasonic distance measurement module is an HC-SR04 module. The infrared temperature measurement detector uses an infrared temperature measurement sensor with the model number of TS105-3, and the infrared temperature measurement sensor is installed on a detector control holder and connected with a face recognition automatic temperature measurement module. The power supply module uses a JAA series 5-20W power supply module, and the power supply module is respectively connected with each part of the system for power supply. The automatic temperature measurement module of face identification uses STM32 series singlechip minimum system, and HC-SR04 module is connected with IO mouth P0.0 and P0.1 of minimum system main control chip respectively, and minimum system uses the singlechip system that the model is STM32F103ZET 6. The infrared temperature measurement detector is respectively connected with IO ports P0.2 and P0.3, and IO ports P0.4, P0.5 and P0.6 are used for controlling the detector to control the rotation of three motors of the holder. During temperature measurement, namely the detector is set to control the cradle head to rotate up and down or left and right after the detector controls the cradle head to measure temperature for the first time, after the detector controls the cradle head to rotate up and down, the temperature measuring point on a human body is deviated by a distance of 5mm-10mm after the detector controls the cradle head to rotate, temperature measurement is generally carried out for 3 times, and then the highest value is obtained. The communication module can be a WIFI module or a 4G module, and can also use an Ethernet interface to connect a system access network and then transmit data to a server, and after testing, the communication module is preferably installed in a wired form by using Ethernet, and is relatively stable when in use. The entrance guard interface is serial port interface or gaseous IO interface all can, and this scheme real-time process carries out serial connection through serial ports and existing access control system.
The ultrasonic ranging module detects the distance between a person and the detector (the distance is generally 0.5m to 1m according to actual setting), and the distance is the system starting temperature measurement and the face recognition. The visible light camera uses the existing camera, the recognition is completed through the known face recognition algorithm, the person comes, the face recognition is mainly used for recognizing the skin part without shielding, the accurate area detection of the body temperature is carried out through the cradle head rotation detector, and the stored image is used for recording the exposed skin positions of which parts are measured. The operator can remotely move the terminal to view the result; the temperature measuring device has the functions of alarming (the existing audible and visual alarm is arranged) and storing, specific people do not need to be identified in the storing process, and only the people and the parts of the naked skin of the people are identified for temperature measurement; the storage is also the storage of temperature measuring points and measured values; the door control system has the functions of combining the existing door control system; the most important characteristics are high cost performance, convenience and rapidness.
As shown in fig. 2, the detector control console includes a base 1, a connecting frame, a first driving member 2, a detector housing 6, a second driving member 4, an infrared temperature detector 8, and a third driving member 7. The connecting frame is driven to rotate by the first driving piece 2, so that the connecting frame is rotatably connected with the base 1, and a rotating shaft of the connecting frame is a yaw axis Y; the detector shell 6 is driven to rotate by the second driving piece 4, so that the detector shell 6 is rotatably connected with the connecting frame, and the rotating shaft of the detector shell 6 relative to the connecting frame is the pitch axis P; the infrared temperature detector 8 is driven to rotate by the third driving piece 7, so that the infrared temperature detector 8 is rotatably connected with the detector shell 6, and a rotating shaft of the infrared temperature detector 8 rotating relative to the detector shell 6 is the overturning shaft R. Detector casing 6 is the closure form, and the inside of detector casing 6 has and holds the chamber, should hold the chamber and be used for holding infrared temperature measurement detector 8, so for detector casing 6's wholeness is stronger, can not the card line.
The detector shell 6 is closed, the infrared temperature measurement detector 8 is arranged inside the detector shell 6 and is rotationally connected with the detector shell, the structure is simple and compact, and the detector shell 6 has a good waterproof function.
Referring to fig. 3 to 4, the connecting frame is a U-shaped bracket 3, the U-shaped bracket 3 includes a bottom portion 31 and two side portions 32, and the two side portions 32 are respectively connected to two sides of the bottom portion 31, so that the bottom portion 31 and the side portions 32 are combined into a U-shape. Alternatively, the bottom portion 31 and the side portion 32 are vertically connected. Bottom 31 is connected with first driving piece 2, and detector casing 6 presss from both sides and locates between two lateral parts 32, and the axis of rotation of detector casing 6 passes two lateral parts 32 settings, so, detector casing 6 and infrared temperature measurement detector 8 all press from both sides and locate between two lateral parts 32 of U-shaped support 3, need not to adopt the cantilever to dodge upset space, compact structure, and the space that occupies is little, further reduces the possibility of card line.
Referring to fig. 3 and 4, the output shaft of the first driving member 2 is fixedly connected to the bottom 31, and the rotation axis of the U-shaped bracket 3 passes through the center of the bottom 31 and the center of the base 1, so that the rotation center of the U-shaped bracket 3 is the center of the bottom 31, the U-shaped bracket 3 is ensured to extend in one direction of the base 1, the first driving member 2 is fixedly connected to the base 1, and the output shaft of the first driving member 2 extends into the bottom 31 and is fixedly connected to the bottom 31.
The first driving member 2 can also be fixedly connected to the bottom portion 31, and an output shaft of the first driving member 2 is fixedly connected to the base 1, so that the base 1 and the U-shaped bracket 3 can also be rotatably connected.
The second driving member 4 is arranged in the first through hole 320, an output shaft of the second driving member 4 extends into the detector shell 6 and is fixedly connected with the detector shell 6, an outer ring of the first bearing 5 in the other first through hole 320 is fixedly connected with the inner wall of the first through hole 320, and an inner ring of the first bearing 5 is fixedly connected with the detector shell 6.
The two side parts 32 are plane surfaces facing the detector shell 6, arc surfaces facing away from the detector shell 6, and the radian of the arc surfaces is the same as the peripheral radian of the base 1.
Referring to fig. 4, the detector housing 6 includes a first plane, a second plane, and an arc surface connecting the first plane and the second plane, the first plane and the second plane are parallel to each other, the first plane and the second plane are respectively disposed opposite to the two side portions 32, the first plane is fixedly connected to the output shaft of the second driving member 4, and the second plane is fixedly connected to the first bearing 5. The cambered surface can be spherical. The distance between the two side parts 32 of the U-shaped bracket 3 is fixed, and under the condition that the distance is fixed, the diameter of the detector shell 6 is increased due to the arrangement of the first plane and the second plane, the inner space is increased, and the size of the infrared temperature measurement detector 8 which can be accommodated is also larger.
The first plane of the detector shell 6 is opposite to the plane of one side part 32, and the second plane of the detector shell 6 is opposite to the plane of the other side part 32, so that the second driving piece 4, the first bearing 5 and the like are easier to mount, and the structure is more stable.
The first driving piece 2, the second driving piece 4 and the third driving piece 7 are all hollow cup motors which are small in size, good in energy-saving performance and strong in sensitivity, and portability is enhanced.
The system collects images through a visible light camera and identifies human faces in the images; acquiring the direct distance between the human face and the infrared temperature measurement module through the distance measurement module, and prompting a temperature measurer to reach a temperature measurement area; detecting naked skin areas of the neck and the face from the visible light image; controlling a cloud platform loaded with an infrared temperature measurement detector to accurately align to an exposed skin area; reading the currently detected bare skin temperature by an infrared temperature measurement detector; controlling a cradle head to detect multiple points of the exposed skin; storing the image and the point temperature measurement result; judging whether the temperature is within a reasonable temperature range, and if so, outputting an openable access control signal through an access control interface (combining an access control function, opening the access control to allow the door to be opened if the temperature measurement result is qualified after the door is opened by swiping a card or swiping a face); if the temperature is abnormal, alarming is carried out through an acousto-optic module, nearby workers are prompted to process the temperature, and an entrance guard closing signal is output to forbid passage; the system is uploaded to a cloud platform through a 4G module; the condition of one or more devices can be monitored in real time through Web service or APP, and the historical condition of one device can be inquired through historical inquiry.
Through this system can be so that when the epidemic situation needs the temperature measurement, operating personnel with by the temperature measurement personnel carry out the former distance temperature measurement, see the temperature measurement result in real time through long-range to can combine entrance guard's function to judge that the normal side of body temperature can open the entrance guard and pass under the entrance guard's permission condition of opening the door. The device can realize remote measurement without contact and removal of a mask and other protected objects, and can measure the skin only by naked skin. The temperature can be measured when the person to be measured walks within the distance range, and the person does not need to stay or wait for a period of time.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. Automatic human temperature measurement system based on face identification, its characterized in that: including visible light camera, ranging module, infrared temperature measurement detector, detector control cloud platform, the automatic temperature measurement module of face identification, entrance guard's interface, acousto-optic display screen, communication module and cloud ware, visible light camera, ranging module, infrared temperature measurement detector, entrance guard's interface, acousto-optic display screen all are connected with the automatic temperature measurement module of face identification, the automatic temperature measurement module of face identification is connected with cloud ware through communication module, the automatic temperature measurement module of face identification is connected with outside entrance guard's system through the entrance guard's interface.
2. The automatic human body temperature measurement system based on face recognition of claim 1, wherein: the distance measurement module is an ultrasonic distance measurement module and is connected with the automatic temperature measurement module for face recognition.
3. The automatic human body temperature measurement system based on face recognition of claim 1, wherein: the infrared temperature measurement sensor is arranged on the detector control holder and is connected with the face recognition automatic temperature measurement module.
4. The automatic human body temperature measurement system based on face recognition of claim 1, wherein: the power supply module is respectively connected with each part of the system for supplying power.
5. The automatic human body temperature measurement system based on face recognition of claim 1, wherein: detector control cloud platform includes the base, with the base rotates the link of connecting, is used for the drive the link is relative base yaw rotation's first driving piece, with the link rotates the detector casing of connecting, is used for the drive the detector casing is relative link every single move pivoted second driving piece, locate infrared temperature detector in the detector casing and be used for the drive infrared temperature detector is relative the detector casing rolls pivoted third driving piece, infrared temperature detector is relative detector casing pivoted axis of rotation with infrared temperature detector's optical axis is parallel or the coincidence, just the detector casing is the closure form and its inside has and is used for holding infrared temperature detector's the chamber that holds, the link is U-shaped support.
6. The automatic human body temperature measurement system based on face recognition of claim 5, wherein: the U-shaped support includes the bottom, and connect respectively in the lateral part of bottom both sides, the bottom with first driving piece is connected, the detector casing presss from both sides and locates two between the lateral part, just the axis of rotation of detector casing passes two the lateral part.
7. The automatic human body temperature measurement system based on face recognition of claim 6, wherein: an output shaft of the first driving piece is fixedly connected with the bottom, and a rotating shaft of the U-shaped support penetrates through the center of the bottom and the center of the base; the infrared temperature measurement detector is detachably connected with the detector shell; the two side parts are respectively provided with a first through hole, an output shaft of the second driving part penetrates through one of the first through holes and is fixedly connected with the detector shell, and a first bearing is arranged in the other first through hole and is fixedly connected with the detector shell; the detector shell comprises a first plane, a second plane and an arc surface for connecting the first plane and the second plane, the first plane and the second plane are parallel to each other, the first plane and the second plane are respectively arranged opposite to the two side parts, the first plane is fixedly connected with an output shaft of the second driving part, and the second plane is fixedly connected with the first bearing; the first driving piece, the second driving piece and the third driving piece are all hollow cup motors.
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| CN202020515541.9U CN211602178U (en) | 2020-04-10 | 2020-04-10 | Automatic human body temperature measurement system based on face recognition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432720A (en) * | 2021-06-25 | 2021-09-24 | 深圳市迈斯泰克电子有限公司 | Temperature detection method and device based on human body recognition and temperature detection instrument |
| AU2021107342B4 (en) * | 2020-11-20 | 2022-09-01 | David Urquhart | A Temperature Check Cell and a Checking Method Thereof |
-
2020
- 2020-04-10 CN CN202020515541.9U patent/CN211602178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2021107342B4 (en) * | 2020-11-20 | 2022-09-01 | David Urquhart | A Temperature Check Cell and a Checking Method Thereof |
| CN113432720A (en) * | 2021-06-25 | 2021-09-24 | 深圳市迈斯泰克电子有限公司 | Temperature detection method and device based on human body recognition and temperature detection instrument |
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