CN210741700U - Human body temperature detection device - Google Patents
Human body temperature detection device Download PDFInfo
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- CN210741700U CN210741700U CN201920633277.6U CN201920633277U CN210741700U CN 210741700 U CN210741700 U CN 210741700U CN 201920633277 U CN201920633277 U CN 201920633277U CN 210741700 U CN210741700 U CN 210741700U
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Abstract
The utility model provides a human body temperature detection device. The human body temperature detection device is used for the border bayonet and comprises an infrared thermal imager, a 3D face recognition device, a temperature measurement compensation device and a controller; the infrared thermal imager is used for sensing the body temperature of a person to be detected in a preset area; the 3D face recognition device is used for acquiring a face image in a preset area; the temperature measurement compensation device is used for measuring compensation information, and the compensation information comprises the environmental temperature of a preset area; the controller is respectively and electrically connected with the infrared thermal imager, the 3D face recognition device and the temperature measurement compensation device, the controller determines the initial temperature of the preset position of the face through the face image and the body temperature, the controller determines the compensation temperature according to the compensation information, and the controller determines the actual temperature according to the initial temperature and the compensation temperature. Therefore, the human body temperature detection device can reduce the influence of the environment on the measurement structure, and has high measurement precision; meanwhile, the infection of diseases is avoided, and the method can be suitable for places with many people.
Description
Technical Field
The utility model relates to a measurement field, and more specifically relates to a human body temperature detection device.
Background
At present, three devices for measuring the body temperature of a human body are mainly used, namely a mercury thermometer, an electronic thermometer and an infrared thermometer.
Mercury thermometers are widely used devices for measuring the body temperature of a human body. The measurement of mercury thermometers is relatively reliable in measuring operating specifications. And the mercury thermometer is low in cost. Mercury thermometers also have limitations. The temperature measurement mode of the mercury thermometer makes the mercury thermometer incapable of being intelligentized. The body temperature can not be automatically and automatically measured, and the accurate temperature can be measured only by contacting the mercury thermometer with the part to be measured for a long time.
The electronic thermometer has a greatly improved measuring mode compared with a mercury thermometer. The reading of the electronic thermometer can visually represent the measured temperature value. The temperature measurement time is short, and the accuracy is higher. Electronic thermometers also have limitations. Like a mercury thermometer, an electronic thermometer measures temperature in a contact manner (temperature can be measured only by contacting a part to be measured), and in a multi-person group place, diseases can be indirectly transmitted by the contact type temperature measurement, so that a specially-assigned person needs to maintain and treat the electronic thermometer regularly for disinfection.
The infrared thermometer measures body temperature by infrared rays, and is mainly applied to non-contact temperature measurement (temperature can be measured without contacting a part to be measured). Therefore, the infrared thermometer can reduce the risk of indirect infection of diseases by measuring temperature, and is relatively safe and accurate in measurement result. However, the infrared thermometer has the disadvantages that the measurement result is easily affected by the external environment, and the reliability of temperature measurement is low.
Therefore, there is a need to provide a human body temperature detection device to at least partially solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.
For at least partly solve above-mentioned technical problem, according to the utility model provides a human body temperature detection device for border bayonet socket, human body temperature detection device includes: the infrared thermal imager is used for sensing the body temperature of the person to be detected in the preset area; the 3D face recognition device is used for acquiring a face image in a preset area; the temperature measurement compensation device is used for measuring compensation information, and the compensation information comprises the environmental temperature of a preset area; the controller is electrically connected with the infrared thermal imager, the 3D face recognition device and the temperature measurement compensation device respectively, the controller determines the initial temperature of the preset position of the face through the face image and the body temperature, the controller determines the compensation temperature according to the compensation information, and the controller determines the actual temperature according to the initial temperature and the compensation temperature.
According to the utility model discloses a human body temperature detection device, the controller passes through the temperature measurement compensation arrangement and acquires compensation information, and then confirms compensation temperature, and the controller passes through the temperature in the preset position of infrared thermal imager and 3D face recognition device definite human face, and then confirms initial temperature, then according to initial temperature and the actual temperature that compensation temperature confirmed, can automatic measurement, and reduced the influence of environment to measuring structure, measurement accuracy is high; meanwhile, the infrared thermal imager measures the temperature through infrared rays in a non-contact manner, so that the infection of diseases is avoided, and the infrared thermal imager can be suitable for places with many people.
Optionally, the compensated temperature comprises a first compensated temperature, and the controller determines the first compensated temperature through a PSO-BP neural network algorithm according to the ambient temperature.
Optionally, the compensation information further includes a distance between the human body and the infrared thermal imager, and the compensation temperature is a sum of a first compensation temperature determined by the controller according to the ambient temperature and a second compensation temperature determined by the controller according to the distance.
Optionally, the controller determines the second compensated temperature by a least squares method as a function of the distance.
Optionally, the actual temperature is the sum of the compensated temperature and the initial temperature.
Optionally, the human body temperature detection device further comprises a thermal interference resistance structure, and the thermal interference resistance structure is sleeved on the periphery of the first lens of the infrared thermal imager so as to stabilize thermal radiation change in an inner region of the thermal interference resistance structure.
Optionally, the preset position is a forehead of a human face.
Optionally, the human body temperature detection device further comprises a light compensation device for compensating the light in the preset region, so that the light intensity in the preset region meets the requirements of the 3D face recognition device.
Optionally, the light compensation device includes a light sensor for sensing the light intensity of the preset area, a light generator, and a light compensation controller for controlling the light intensity of the light generator according to the light intensity to compensate the light in the preset area.
Optionally, the human body temperature detection device further comprises a human-computer interaction device electrically connected with the controller, the human-computer interaction device displays the face image and the declaration prompt information, the human-computer interaction device indicates the position of the person to be detected to be adjusted to adapt to the 3D face recognition device to obtain the face image, and the human-computer interaction device prompts the person to be detected to make a declaration.
Drawings
In order that the advantages of the invention will be readily understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings.
Fig. 1 is a schematic frame diagram of a human body temperature detection device according to a first preferred embodiment of the present invention; and
fig. 2 is a schematic view of the human body temperature detection device of fig. 1 arranged in a bayonet channel room.
Description of reference numerals:
100: human body temperature detection device 110: infrared thermal imaging instrument
111: first lens 120: 3D face recognition device
121: second lens 130: temperature measurement compensation device
131: ambient temperature sensor 132: equipment temperature sensor
133: distance measuring device 140: controller
150: thermal interference resistance structure 160: light compensation device
161: the light generator 162: light ray sensor
170: temperature compensation controller 180: human-computer interaction device
190: remote server
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.
In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
The utility model provides a human body temperature detection device 100. The human body temperature detection device 100 can be arranged beside a customs or border gate passage to detect the body temperature of a transit person. The human body temperature detection device 100 is suitable for quarantine departments at customs or frontier checkpoints to supervise epidemic situations of people entering and leaving. It is understood that the human body temperature detecting device 100 can also be used for detecting the body temperature of a transit animal.
In the present embodiment, as shown in fig. 1 and 2, the human body temperature detection apparatus 100 includes an infrared thermal imager 110. The thermal infrared imager 110 may detect, by infrared rays, temperatures of a plurality of detection points located in a preset area (for example, an area where a distance between the first lens 111 of the thermal infrared imager 110 and the bayonet channel is smaller than a preset value, and the preset value may be set as needed). In this way, when the transit person is located in the preset area, the temperature of the person (person to be measured) located in the preset area at the plurality of detection points distributed on the whole body can be acquired through the infrared thermal imaging camera 110. The infrared thermal imager 110 may be electrically connected to the following controller 140 through a USB to transmit the temperatures detected by the infrared thermal imager to the controller 140.
In this embodiment, the human body temperature detection device 100 further includes a 3D face recognition device 120. The 3D face recognition device 120 includes a second lens 121 and a host. The host of the 3D face recognition device 120 may control the second lens 121 to capture a whole body image of a person located in the preset area, so as to obtain a face image of the person located in the preset area. The host of the 3D face recognition device 120 may transfer the face image it acquires to the controller 140 described later.
In this embodiment, the human body temperature detection device 100 further includes a temperature measurement compensation device 130 and a temperature compensation controller 170. The temperature measurement compensation device 130 is used for detecting compensation information. The compensation information includes an ambient temperature of a preset area, a temperature of the first lens 111 of the infrared thermal imager 110, and a distance between the human body and the infrared thermal imager 110. Specifically, the temperature measurement compensation device 130 includes an ambient temperature sensor 131, an equipment temperature sensor 132, and a distance measurement device 133. The temperature compensation controller 170 may be an ARM processor. The temperature compensation controller 170 may be electrically connected to the controller 140 for information exchange. The temperature compensation controller 170 is connected to the ambient temperature sensor 131, the device temperature sensor 132, and the distance measuring device 133, respectively, to control the operations of the ambient temperature sensor 131, the device temperature sensor 132, and the distance measuring device 133. The ambient temperature sensor 131 is used to measure the ambient temperature of a preset area. The device temperature sensor 132 is disposed on the first lens 111 of the infrared thermal imager 110 to measure the temperature of the first lens 111 of the infrared thermal imager 110. The distance measuring device 133 may be an ultrasonic distance meter. The distance measuring device 133 is used to measure the distance between a person located in a preset area and the first lens 111 of the thermal infrared imager 110.
In this embodiment, the human body temperature detection device 100 further includes a controller 140. The controller 140 is electrically connected to the thermal infrared imager 110, the host of the 3D face recognition device 120, and the temperature compensation controller 170.
In this embodiment, the controller 140 sends a compensation command to the temperature compensation controller 170. The temperature compensation controller 170 then controls the operation of the ambient temperature sensor 131, the device temperature sensor 132, and the distance measuring device 133. The compensation information is then acquired by the ambient temperature sensor 131, the device temperature sensor 132, and the distance measuring device 133. The temperature compensation controller 170 delivers compensation information to the controller 140. The controller 140 determines a compensated temperature based on the compensation information.
In this embodiment, the controller 140 obtains a plurality of sets (which can be set as required by those skilled in the art) of values of the ambient temperature of the preset region through the ambient temperature sensor 131. The controller 140 processes the values of the ambient temperature of the plurality of sets of preset regions through a PSO-BP neural network algorithm to determine a value of the first compensation temperature.
The controller 140 acquires values of distances between the plurality of groups of human bodies and the first lens 111 of the infrared thermal imager 110 through the distance measuring device 133. The controller 140 processes the plurality of sets of values of the ambient temperature of the preset region by a least square method to determine a value of the second compensated temperature.
The controller 140 acquires values of the temperatures of the first lens 111 of the infrared thermal imager 110 through the device temperature sensor 132. The controller 140 inputs the value into the thermal infrared imager 110, and the thermal infrared imager 110 processes the values of the temperatures of the first lens 111 of the multiple sets of thermal infrared imagers 110 to determine a value of a third compensated temperature. It should be noted that the algorithm for determining the value of the third compensation temperature by the thermal infrared imager 110 is carried by the thermal infrared imager 110 itself, and belongs to the prior art. And will not be described in detail herein.
The compensated temperature may be a sum of a value of the first compensated temperature, a value of the second compensated temperature, and a value of the third compensated temperature. The actual temperature may be the sum of the initial temperature and the compensated temperature.
In this embodiment, the controller 140 sends an operating command to the host of the 3D face recognition device 120 and the infrared thermal imager 110 to control the host of the 3D face recognition device 120 and the infrared thermal imager 110 to operate. And then receives the temperatures of the plurality of detection points detected by the infrared thermal imager 110 and the face image acquired by the 3D face recognition device 120. The controller 140 determines a preset position of the face according to the face image acquired by the 3D face recognition device 120. Preferably, the preset position is the forehead, whereby the measurement accuracy is high. Further preferably, the preset position may be a position of a center point of the forehead (in the face image, an intersection point of central axes of two eyebrows and a horizontal line of a preset distance above the eyebrows, and the preset distance may be determined as needed). The controller 140 measures the temperatures of the plurality of detection points according to the infrared thermal imager 110, and the forehead of the human face. And determining the temperature of a measuring point positioned on the forehead of the human face. From this, the initial temperature of the body (e.g. the average of the temperatures of the measuring points located at the forehead of the face) is determined.
The controller 140 determines an actual temperature based on the initial temperature and the compensated temperature. The actual temperature may be the sum of the initial temperature and the compensated temperature. Thus, the first compensation temperature compensates for the influence of the ambient temperature of the preset area on the initial temperature. The second compensation temperature compensates for the influence of the distance between the person located in the preset area and the first lens 111 of the thermal infrared imager 110 on the initial temperature. The third compensation temperature compensates for the influence of the temperature of the first lens 111 of the infrared thermal imager 110 on the initial temperature. Thus, the actual temperature value determined by the controller 140 is more accurate.
In this embodiment, the controller 140 obtains the compensation information through the temperature measurement compensation device 130 to determine the compensation temperature, the controller 140 determines the temperature in the preset position of the human face through the infrared thermal imager 110 and the 3D human face recognition device 120 to determine the initial temperature, and then the actual temperature determined according to the initial temperature and the compensation temperature can be automatically measured, the influence of the environment on the measurement structure is reduced, and the measurement precision is high; meanwhile, the infrared thermal imager 110 measures the temperature through infrared rays in a non-contact manner, so that the infection of diseases is avoided, and the infrared thermal imager can be suitable for places with many people.
In this embodiment, the human body temperature detecting device 100 further includes a thermal interference resistance structure 150. The thermal interference immunity structure 150 may be a black body. The thermal interference resistance structure 150 may be made of a material having a thermal radiation absorption rate of 1. The thermal interference resistant structure 150 is sleeved on the periphery of the first lens 111 of the thermal infrared imager 110. In this way, it is possible to stabilize the variation of heat radiation within the internal region defined by the thermal interference resistant structure 150, and to avoid irregular variation of temperature within the internal region defined by the thermal interference resistant structure 150. Therefore, the temperature variation detected by the first lens 111 located in the internal region defined by the thermal interference resistance structure 150 is stabilized, and the temperature disturbance detected by the first lens 111 of the infrared thermal imager 110 is avoided.
In this embodiment, the human body temperature detecting device 100 further includes a light compensation device 160. The light compensation device 160 may include a light generator 161 (e.g., an LTD lamp), a light sensor 162 for sensing the light intensity of a predetermined area, and a light compensation controller. The light compensation controller is electrically connected to the controller 140 to communicate information with the controller 140. The light compensation controller is electrically connected to the light generator 161 and the light sensor 162, respectively. When the human body temperature detecting device 100 starts to operate, the light compensation controller receives an operation command from the controller 140. The light compensation controller automatically controls the operation of the light generator 161 and the light sensor 162 to obtain the light intensity in the predetermined area from the light sensor 162. The light compensation controller adjusts the light intensity of the light generator 161 according to the light intensity to compensate the light in the first region, so that the light intensity of the preset region meets the requirements of the 3D face recognition device 120. Therefore, the 3D face recognition device 120 can acquire a clearer face image, and the human body temperature detection device 100 can be used in the dark or dark environment.
In this embodiment, the human body temperature detecting device 100 further includes a human-computer interaction device 180 electrically connected to the controller 140. The human interaction device 180 may be a display screen on which contents can be input. The controller 140 controls the display screen to display the face image acquired by the 3D face recognition device 120. The controller 140 may further control the display screen to display prompt information (prompt text and prompt voice) to prompt the person in the preset area to adjust the position according to the face image displayed on the display screen, so that the face image acquired by the 3D face recognition device 120 meets the requirements of reporting to relevant departments (e.g., inspection and quarantine departments at customs or gates of frontiers). Thereby facilitating the acquisition of a qualified image.
The controller 140 may also control the display screen to display the declaration prompting information according to driver declaration software disposed in the controller 140 to prompt the personnel located in the preset area to input the relevant information, and then automatically declare to the relevant department through the display screen. Therefore, when the declaration is needed, the personnel in the preset area can declare the declaration to the relevant department by operating the display screen.
The controller 140 of this embodiment may also be electrically connected to the remote server 190 to transmit the actual temperature it determines to the remote server 190.
The operating state of the human body temperature detection device 100 before body temperature detection is as follows: the infrared thermal imager 110 is in a standby state and does not acquire the temperatures of a plurality of detection points in a preset area; the 3D face recognition device 120 is in a standby state and does not acquire a face image; the human-computer interaction device 180 works normally and displays information and prompt information acquired by the second lens 121 of the 3D face recognition device 120. The light compensation device 160 works normally, and the luminous intensity of the light generator 161 is adjusted and adjusted automatically; the temperature measurement compensation device 130 is in a standby state, and no compensation information is acquired at this time. Temperature compensation controller 170 is ready to receive operating instructions from controller 140. The controller 140 receives a temperature measurement start command at any time, and the temperature measurement start command may be sent manually by a worker (for example, the worker presses a start button) or sent by other equipment arranged at the gate (for example, an ultrasonic sensor for sensing a person located in a preset area).
After receiving the temperature measurement start instruction, the controller 140 sends a related instruction to the infrared thermal imager 110, the 3D face recognition device 120, and the temperature compensation controller 170 to start the temperature measurement, which specifically includes:
1. the controller 140 issues an instruction to control the light compensation device 160 to automatically adjust the brightness of the LTD lamp according to the light intensity;
2. the controller 140 sends an instruction to control the infrared thermal imager 110 and the 3D face recognition device 120 to work, so as to determine an initial temperature;
3. the controller 140 sends out an instruction, and the temperature compensation controller 170 controls the temperature measurement compensation device 130 to start working, so as to determine the compensation temperature;
4. the controller 140 controls the human-computer interaction device 180 to work so as to display the face image of the person in the preset area, prompt information and report the prompt information;
5. the controller 140 determines the actual temperature value and transmits it to the remote server 190;
6. the controller 140 receives the data receiving success information of the remote server 190, and the temperature measurement is finished;
7. the human body temperature detection device 100 returns to its operating state before the body temperature detection, and waits for the next temperature measurement start instruction.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "component" and the like, when used herein, can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a human body temperature detection device which characterized in that for the border bayonet socket, human body temperature detection device includes:
the infrared thermal imager is used for sensing the body temperature of the person to be detected in the preset area;
the 3D face recognition device is used for acquiring a face image in the preset area;
the temperature measurement compensation device is used for measuring compensation information, and the compensation information comprises the environmental temperature of the preset area;
the controller is electrically connected with the infrared thermal imager, the 3D face recognition device and the temperature measurement compensation device respectively, the controller determines the initial temperature of the preset position of the face through the face image and the body temperature, the controller determines the compensation temperature according to the compensation information, and the controller determines the actual temperature according to the initial temperature and the compensation temperature.
2. The human body temperature detection device according to claim 1, further comprising a thermal interference resistant structure, wherein the thermal interference resistant structure is sleeved on the periphery of the first lens of the infrared thermal imager, so that the thermal radiation change in the inner region of the thermal interference resistant structure is stable.
3. The human body temperature detection device according to claim 1, further comprising a light compensation device for compensating the light of the preset region, so that the light intensity of the preset region meets the requirements of the 3D face recognition device.
4. The human body temperature detecting device of claim 3, wherein the light compensation device comprises a light sensor for sensing the light intensity of the preset area, a light generator, and a light compensation controller for controlling the light intensity of the light generator according to the light intensity to compensate the light in the preset area.
5. The human body temperature detection device according to claim 1, further comprising a human-computer interaction device electrically connected to the controller, wherein the human-computer interaction device displays the face image and declaration prompting information, the human-computer interaction device instructs the person to be tested to adjust the position to adapt to the 3D face recognition device to obtain the face image, and the human-computer interaction device prompts the person to be tested to make a declaration.
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| CN201920633277.6U CN210741700U (en) | 2019-05-05 | 2019-05-05 | Human body temperature detection device |
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| CN201920633277.6U CN210741700U (en) | 2019-05-05 | 2019-05-05 | Human body temperature detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160670A (en) * | 2019-05-05 | 2019-08-23 | 深圳中集智能科技有限公司 | Body temperature detection device |
| CN111811661A (en) * | 2020-07-15 | 2020-10-23 | 深圳梦派科技集团有限公司 | Temperature compensation temperature measurement method and temperature compensation temperature measurement device |
| CN113820042A (en) * | 2021-09-09 | 2021-12-21 | 超越科技股份有限公司 | Epidemic situation prevention and control real-time temperature measurement system based on domestic single-chip microcomputer |
-
2019
- 2019-05-05 CN CN201920633277.6U patent/CN210741700U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160670A (en) * | 2019-05-05 | 2019-08-23 | 深圳中集智能科技有限公司 | Body temperature detection device |
| CN111811661A (en) * | 2020-07-15 | 2020-10-23 | 深圳梦派科技集团有限公司 | Temperature compensation temperature measurement method and temperature compensation temperature measurement device |
| CN113820042A (en) * | 2021-09-09 | 2021-12-21 | 超越科技股份有限公司 | Epidemic situation prevention and control real-time temperature measurement system based on domestic single-chip microcomputer |
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Effective date of registration: 20230619 Address after: 518000 Shenzhen national engineering laboratory building b1001-b1004, No. 20, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: SHENZHEN CIMC SECURITY AND SMART TECHNOLOGY Co.,Ltd. Patentee after: SHENZHEN CIMC TECHNOLOGY Co.,Ltd. Patentee after: Guangdong CIMC Intelligent Technology Co.,Ltd. Address before: 518063 Shenzhen national engineering laboratory building b1001-b1004, No. 20, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN CIMC SECURITY AND SMART TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN CIMC TECHNOLOGY Co.,Ltd. Patentee before: Guangdong CIMC Intelligent Technology Co.,Ltd. Patentee before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. |