CN214067867U - Campus attendance body temperature monitoring system - Google Patents
Campus attendance body temperature monitoring system Download PDFInfo
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- CN214067867U CN214067867U CN202023337945.2U CN202023337945U CN214067867U CN 214067867 U CN214067867 U CN 214067867U CN 202023337945 U CN202023337945 U CN 202023337945U CN 214067867 U CN214067867 U CN 214067867U
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Abstract
The application discloses campus attendance body temperature monitoring system includes: the system comprises access control equipment and a background server; entrance guard's equipment includes: the system comprises a camera, a face recognition chip, an infrared temperature measurement sensor and a first communication chip; the background server comprises a first storage, a second communication chip, a processor and a display, and can automatically measure the temperature of the student before the student enters the access control equipment by using the access control equipment, so that the time for measuring the body temperature of the student by using a temperature measuring gun is saved, and the time spent in the temperature measuring process is reduced.
Description
Technical Field
The application relates to the technical field of face recognition, in particular to a campus attendance and body temperature monitoring system.
Background
As a place with dense personnel, a school is required to frequently monitor the body temperature of students in the school, and at present, when the body temperature of the students in the school is monitored, a concierge usually uses a temperature measuring gun to detect the body temperature of the students entering the school.
But the student number of school is numerous, and before the student got into entrance guard's equipment, need use the temperature measurement rifle to measure student's body temperature, opens the entrance guard again afterwards, and this temperature measurement process need spend a large amount of time.
Disclosure of Invention
In view of this, this application provides a campus attendance body temperature monitoring system to before solving current student and getting into entrance guard's equipment, need use the temperature measurement rifle to measure student's body temperature, open the entrance guard afterwards, this process need spend the problem of plenty of time.
The application provides a campus attendance body temperature monitoring system, include: the access control device and the background server are arranged at the campus doorway; entrance guard's equipment includes: the system comprises a camera, a face recognition chip, an infrared temperature measurement sensor and a first communication chip, wherein the camera is used for shooting videos of school personnel entering or leaving a campus doorway, the face recognition chip recognizes the personnel entering or leaving the school from the videos and outputs face images of the recognized personnel, the infrared temperature measurement sensor is used for measuring the temperature of the personnel entering or leaving the school with the face images and outputting the temperature of the personnel, and the first communication chip is electrically connected with the face recognition chip and the infrared temperature measurement sensor and is used for sending the face images of the recognized personnel and the temperature measurement results to a background server; the background server comprises a first storage, a second communication chip, a processor and a display, wherein the first storage is used for storing a student face library, the second communication chip is electrically connected with the first storage, the second communication chip is in communication connection with the first communication chip, the first storage is used for sending the student face library to the face recognition chip through the second communication chip and the first communication chip, the processor is electrically connected with the second communication chip and the display, the processor is used for receiving the face image and the temperature through the second communication chip and the first communication chip, and is used for uploading the face image and the temperature to the display, and the display is used for displaying the face image and the temperature.
Wherein, the background server further comprises: the first memory is also used for storing a student information base, the student information base comprises student faces, the student information in the student information base corresponds to the faces in the student face base one by one, and the face recognition chip is also used for generating recognition results according to the faces in the face base and the student information corresponding to the faces; the clock is used for outputting attendance checking time; the processor is further used for transmitting the identification result, the attendance time and the temperature to a display as attendance information of students, and the display is further used for displaying the attendance information.
Wherein, the background server further comprises: the second memory is used for storing a blacklist face library, is electrically connected with the second communication chip and is used for transmitting the blacklist face library to a face recognition chip through the second communication chip and the first communication chip, the face recognition chip is further used for recognizing blacklist personnel according to the video and the blacklist face library and generating a blacklist recognition result, and the first communication chip is further used for sending the blacklist recognition result to a background server.
The student information in the student information base further comprises student class owner information, communication information of a class owner login authority terminal, student parent information and communication information of a student parent login authority terminal; the background server further comprises: the third communication chip is electrically connected with the processor, is also used for establishing communication connection with a terminal of the attendance authority of a manager and a terminal of the login authority of the security personnel of the terminal of the login authority of the parents of students, and is used for sending the attendance information to the terminal of the corresponding attendance authority of the manager and the terminal of the login authority of the parents of students through the third communication chip and sending the identification result of the blacklist personnel identified by the face identification chip to the terminal of the login authority of the security personnel of schools.
The infrared temperature measurement sensor is also used for outputting a high-level signal when the temperature measurement result is greater than the temperature threshold value; entrance guard's equipment still includes: and the temperature alarm is electrically connected with the infrared temperature measurement sensor and used for giving an alarm when receiving the high-level signal output by the infrared temperature measurement sensor.
Wherein, the temperature alarm is an acousto-optic alarm.
The first communication chip is a wireless communication chip or a wireless communication chip; the second communication chip is a wireless communication chip or a wireless communication chip; the third communication chip is a wireless communication chip.
Wherein, entrance guard's equipment still includes: the student card reader is electrically connected with the first communication chip and used for reading student information in a student card, the student card reader is further used for transmitting the read student card information to the processor through the first communication chip and the second communication chip, and the processor is further used for transmitting the student information in the student card, the attendance time and the temperature measurement result to the display as attendance information of students.
Wherein, entrance guard's equipment still includes: the light sensing chip and the light supplementing lamp; the light sensing chip is used for sensing the light brightness of the environment where the camera is located and outputting a high level signal when the light brightness is smaller than a brightness threshold value, and the light supplementing lamp is electrically connected with the light sensing chip and used for receiving the high level signal output by the light sensing chip and then lighting up.
Wherein, entrance guard's equipment still includes: the power supply module is used for connecting a mains supply to provide electric energy and charging the battery, and the battery is used for providing the electric energy when the mains supply is not switched on by the power supply module.
The above-mentioned campus attendance body temperature monitoring system of this application through using entrance guard's equipment, can get into or leave the campus gate at the student before automatic carry out the temperature measurement to the student to saved and used the time that the thermometer measured student's body temperature, consequently reduced the time that the temperature measurement process need be spent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a block diagram illustrating a structure of a campus attendance and body temperature monitoring system according to an embodiment of the present application;
fig. 2 is a schematic block diagram of a part of structure of a background server of the campus attendance and body temperature monitoring system according to the embodiment of the present application;
fig. 3 is a schematic block diagram of a part of structure of an access control device of the campus attendance and body temperature monitoring system in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The following embodiments and their technical features may be combined with each other without conflict.
Referring to fig. 1, a campus attendance body temperature monitoring system provided in an embodiment of the present application includes: the system comprises an access control device 1 and a background server 2; entrance guard's equipment 1 includes: the system comprises a camera 11, a face recognition chip 12, an infrared temperature measurement sensor 13 and a first communication chip 14; the background server 2 includes: a first memory 21, a second communication chip 22, a processor 23 and a display 24.
The camera 11 is used for shooting videos of school personnel entering or leaving a school gate, the face recognition chip 12 recognizes the personnel entering or leaving the school from the videos and outputs face images of the recognized personnel, the infrared temperature measurement sensor is used for measuring the temperature of the personnel entering or leaving the school with the face images and outputting the temperature of the personnel, and the first communication chip 14 is electrically connected with the face recognition chip 12 and the infrared temperature measurement sensor and used for sending the face images of the recognized personnel and the measured temperature to the background server 2; the background server 2 comprises a first storage 21, a second communication chip 22, a processor 23 and a display 24, wherein the first storage 21 is used for storing a student face library, the second communication chip 22 is electrically connected with the first storage 21, the second communication chip 22 is in communication connection with the first communication chip 14, the first storage 21 is used for sending the student face library to the face recognition chip 12 through the second communication chip 22 and the first communication chip 14, the processor 23 is electrically connected with the second communication chip 22 and the display 24, the processor 23 is used for receiving face images and temperatures through the second communication chip 22 and the first communication chip 14 and uploading the face images and temperatures to the display 24, and the display 24 is used for displaying the face images and temperatures.
When a student enters or leaves a school, the student needs to pass through the access control device 1, when the student passes through the access control device 1, the camera 11 shoots a video, the face recognition chip 12 recognizes the student in the video, wherein a face library of the face recognition chip 12 is derived from the first memory 21 of the background server 2, after a recognition result is generated, the recognition result is transmitted to the background server 2 through the first communication chip 14, so that whether the student is a school or not can be verified, meanwhile, the infrared temperature measurement sensor 13 performs infrared temperature measurement on the student to generate a measurement result, the measured temperature is transmitted to the background server 2 through the first communication chip 14, so that the body temperature of the student is measured, in the embodiment, the background server 2 can be arranged in a control room of the school, the position of the infrared temperature measurement sensor 13 is arranged in a gate of the access control device 1, the gate is provided with a through hole, and the infrared temperature measuring sensor 13 receives infrared signals of personnel passing through the gate through the through hole and outputs temperature.
In the background server 2, the first memory 21 stores the face library of the student, the first memory 21 can send the face library to the face recognition chip 12 through the second communication chip 22 and the first communication chip 14, the face recognition chip 12 can send the face image of the recognized person to the processor 23 through the first communication chip 14 and the second communication chip 22, the processor 23 uploads the face image and the temperature to the display 24, and the display 24 displays the face image and the temperature, so that a teacher or other persons at the background server 2 can only see the data to obtain the body temperature condition of the student.
In the process that the student passes through the access control device 1, the function of temperature measurement is realized simultaneously, so that the time for measuring the body temperature of the student by using a temperature measuring gun is saved, and the time spent in the temperature measuring process is reduced.
Referring to fig. 2, in an embodiment, the background server 2 further includes a clock 26, the first memory 21 is further configured to store a student information base, the student information base includes faces, and the student information in the student information base corresponds to the faces in the student face base one by one, and the face recognition chip 12 is further configured to generate a recognition result according to the faces in the face base and the student information corresponding to the faces; the clock 26 is used for outputting attendance time; the processor 23 is further configured to use the identification result, the attendance time, and the measured temperature as attendance information of the student, and transmit the attendance information to the display 24, and the display 24 is further configured to display the attendance information.
In this embodiment, each piece of student information in the student information library corresponds to a student in the student face library, so that the student information is a label of a face in the face library, and thus after the face identification chip 12 identifies the face, the label corresponding to the face can display the information of the student.
The clock 26 is used to record the time when the second communication chip 22 receives the identification result, and the time represents the time when the student passes through the door access because the signals are transmitted very rapidly, so that the time can be used as the attendance time of the student, the attendance time of a student and the measured temperature to represent the attendance information of the student, and after the processor 23 generates the attendance information, the teacher or other persons can obtain the attendance information of the student The attendance time, the measured temperature and the data source are effective and reliable.
In this embodiment, the display 24 displays attendance information of students, and is convenient for teachers or other persons to check the attendance information of students, so that checking and query of the attendance information of students are facilitated.
Continuing to refer to fig. 2, in one embodiment, background server 2 further includes: the second memory 27 is configured to store a blacklist face library, is electrically connected to the second communication chip 22, and is configured to transmit the blacklist face library to the face recognition chip 12 through the second communication chip 22 and the first communication chip 14, where the face recognition chip 12 is further configured to recognize blacklist people according to the video and the blacklist face library to generate a blacklist recognition result, and the first communication chip 14 is further configured to send the blacklist recognition result to the background server 2.
Through transmitting blacklist people face storehouse to face identification chip 12 for face identification chip 12 can discern the people who passes through access control equipment 1 and be the blacklist personnel of school, after first communication chip 14 sends the blacklist personnel's of discerning identification result to backend server 2, mr or other personnel in backend server 2 can in time obtain the information that the blacklist personnel got into the school, thereby in time make the processing, reduced the probability that the blacklist personnel made damage or other causes the property loss of school at the school.
Referring to fig. 2, in an embodiment, the student information in the student information base further includes student's owner information, communication information of the terminal of the owner's login right, student's parent information, and communication information of the terminal of the parent's login right; the background server 2 further includes: and the third communication chip 28 is electrically connected with the processor 23, and is also in communication connection with a terminal of the class owner login authority and a terminal of the student parent login authority security personnel login authority, and is used for sending attendance information to the terminal of the corresponding class owner login authority and the terminal of the student parent login authority, and sending the identification result of the blacklist personnel identified by the face identification chip 12 to the terminal of the school security personnel login authority.
In this embodiment, the communication information of the terminal with the login authority of the executive and the communication information of the terminal with the login authority of the parent of the student may be IP communication information, short message communication information, social software communication information, and the like.
Student information in the student information base contains the name of the student, the contact mode of the student parent terminal and the contact mode of the student teacher terminal, so that the second chip can send attendance information of the student to the teacher corresponding to the student and the parent terminal, and the student parent and the teacher can know the attendance information of the student in time.
And the recognition result of the blacklist personnel is sent to the terminal of the school security personnel, so that the security personnel can obtain the information that the blacklist personnel enters the school in time, the response is quickly made, the blacklist personnel entering the school are expelled, and the probability that the blacklist personnel damage the school or cause the property loss of the school by other behaviors is reduced.
In one embodiment, the infrared thermometry sensor 13 is further configured to output a high level signal when the measured temperature is greater than a temperature threshold, where the temperature threshold is an upper limit value of the normal body temperature of the human body; referring to fig. 3, the access control device 1 further includes: and the temperature alarm 15 is electrically connected with the infrared temperature measurement sensor 13 and used for giving an alarm when receiving a high-level signal output by the infrared temperature measurement sensor.
The use of the temperature alarm 15 enables the entrance guard to block the students with heat according to the alarm, thereby preventing the students with heat from entering the school, and reducing the probability of heat infection.
In one embodiment, the temperature alarm 15 is an audible and visual alarm.
The acousto-optic alarm can not only carry out light alarm, but also carry out sound alarm, thereby enabling the alarm to attract the attention of a guard more easily and blocking the students who generate heat.
In one embodiment, the first communication chip 14 is a wireless communication chip or a wireless communication chip; the second communication chip 22 is a wireless communication chip or a wireless communication chip; the third communication chip 28 is a wireless communication chip.
In this embodiment, the first communication chip 14 is a wireless communication chip, and the second communication chip 22 is a wireless communication chip; the wireless communication chip can realize communication without a network cable, and can be conveniently installed and moved, so that communication can be more conveniently carried out, and the wireless communication chip can be installed in the access control equipment 1 and the background server 2, so that the probability of being damaged by external factors is reduced.
In other embodiments, the first communication chip 14 may also be a wired communication chip or a communication module integrated by a wired communication chip or a wireless communication chip, and the second communication chip 22 may also be a wired communication chip or a communication module integrated by a wired communication chip or a wireless communication chip.
With continued reference to fig. 3, in an embodiment, the access control device 1 further includes: the student card reader 16 is electrically connected with the first communication chip 14 and used for reading student information in a student card, and is also used for transmitting the read student card information to the processor through the first communication chip 14 and the second communication chip 22, and the processor 23 is also used for generating attendance information of students according to the student information attendance time in the student card and the temperature measured by the infrared temperature measurement sensor.
Under the condition that the student cannot be identified due to reasons such as failure of the face identification chip 12, the student can use the student card to swipe the card on the student card reader 16, student information in the student card is read out, so that the student passes through the entrance guard, and in the process that the student passes through the entrance guard, the infrared temperature measurement sensor 13 measures the temperature to obtain the measured temperature, and the identification result obtained by face identification is that the student information matched with the face in the student information base is obtained according to the face of the student, so that the student information read by the student card reader 16 can be used for replacing the identification result of the face identification chip 12, so that the processor 23 can generate the attendance information of the student based on the read student information, the attendance time and the measured temperature, so that the student can also check the attendance when the student cannot be identified by the face identification chip 12, the probability that the student can not check the attendance is reduced.
With continued reference to fig. 3, in an embodiment, the access control device 1 further includes: a light sensing chip 17 and a light supplement lamp 18; the light sensing chip 17 is used for sensing the light brightness of the environment where the camera 11 is located and outputting a high level signal when the light brightness is smaller than a brightness threshold, and the light supplementing lamp 18 is electrically connected with the light sensing chip 17 and used for receiving the high level signal output by the light sensing chip 17 and then lighting up.
In this embodiment, the ambient brightness when can not clearly shoot with camera 11 is as the luminance threshold value, when light induction chip 17 senses that the ambient brightness that camera 11 was located is less than the luminance threshold value, output high level signal, make light filling lamp 18 light, thereby increase the ambient brightness that camera 11 was located, make camera 11 can clearly shoot, provide the video of shooting clearly for face identification chip 12, make face identification chip 12 also can carry out face identification when the light of environment is not enough.
With continued reference to fig. 3, in an embodiment, the access control device 1 further includes: the power supply module 19 is used for being connected with commercial power to provide electric energy and charging the battery 20, and the battery 20 is used for providing the electric energy when the power supply module 19 is not connected with the commercial power.
Under the circumstances of not having the power failure, power module 19 can provide the electric energy for the electron original paper of entrance guard's equipment 1 the inside, and under the circumstances of having a power failure, battery 20 can provide the electric energy for the electronic component of entrance guard's equipment 1 the inside to make entrance guard's equipment 1 homoenergetic under the circumstances of having or not the commercial power and normally use.
Although the application has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. This application is intended to embrace all such modifications and variations and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification.
That is, the above description is only an embodiment of the present application, and not intended to limit the scope of the present application, and all equivalent structures or equivalent flow transformations made by using the contents of the specification and the drawings, such as mutual combination of technical features between various embodiments, or direct or indirect application to other related technical fields, are included in the scope of the present application.
In addition, in the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be considered as limiting the present application. In addition, structural elements having the same or similar characteristics may be identified by the same or different reference numerals. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The previous description is provided to enable any person skilled in the art to make and use the present application. In the foregoing description, various details have been set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Claims (10)
1. The utility model provides a campus attendance body temperature monitoring system which characterized in that includes: the access control device and the background server are arranged at the campus doorway;
entrance guard's equipment includes: the system comprises a camera, a face recognition chip, an infrared temperature measurement sensor and a first communication chip, wherein the camera is used for shooting videos of school personnel entering or leaving a campus doorway, the face recognition chip recognizes the personnel entering or leaving the school from the videos and outputs face images of the recognized personnel, the infrared temperature measurement sensor is used for measuring the temperature of the personnel entering or leaving the school with the face images and outputting the temperature of the personnel, and the first communication chip is electrically connected with the face recognition chip and the infrared temperature measurement sensor and is used for sending the face images of the recognized personnel and the temperature to a background server;
the background server comprises a first storage, a second communication chip, a processor and a display, wherein the first storage is used for storing a student face library, the second communication chip is electrically connected with the first storage, the second communication chip is in communication connection with the first communication chip, the first storage is used for sending the student face library to the face recognition chip through the second communication chip and the first communication chip, the processor is electrically connected with the second communication chip and the display, the processor is used for receiving the face image and the temperature through the second communication chip and the first communication chip, and is used for uploading the face image and the temperature to the display, and the display is used for displaying the face image and the temperature.
2. The campus attendance body temperature monitoring system of claim 1,
the background server further comprises: the first memory is also used for storing a student information base, the student information base comprises student faces, the student information in the student information base corresponds to the faces in the student face base one by one, and the face recognition chip is also used for generating recognition results according to the faces in the face base and the student information corresponding to the faces; the clock is used for outputting attendance checking time; the processor is further used for transmitting the identification result, the attendance time and the temperature to a display as attendance information of students, and the display is further used for displaying the attendance information.
3. The campus attendance body temperature monitoring system of claim 2,
the background server further comprises: the second memory is used for storing a blacklist face library, is electrically connected with the second communication chip and is used for transmitting the blacklist face library to a face recognition chip through the second communication chip and the first communication chip, the face recognition chip is further used for recognizing blacklist personnel according to the video and the blacklist face library and generating a blacklist recognition result, and the first communication chip is further used for sending the blacklist recognition result to a background server.
4. The campus attendance body temperature monitoring system of claim 3,
the student information in the student information base also comprises student class owner information, communication information of a class owner login authority terminal, student parent information and communication information of a student parent login authority terminal;
the background server further comprises: the third communication chip is electrically connected with the processor, is also used for establishing communication connection with a terminal of the attendance authority of a manager and a terminal of the login authority of the security personnel of the terminal of the login authority of the parents of students, and is used for sending the attendance information to the terminal of the corresponding attendance authority of the manager and the terminal of the login authority of the parents of students through the third communication chip and sending the identification result of the blacklist personnel identified by the face identification chip to the terminal of the login authority of the security personnel of schools.
5. The campus attendance body temperature monitoring system of claim 1,
the infrared temperature measurement sensor is also used for outputting a high-level signal when the measured temperature is greater than a temperature threshold value;
entrance guard's equipment still includes: and the temperature alarm is electrically connected with the infrared temperature measurement sensor and used for giving an alarm when receiving the high-level signal output by the infrared temperature measurement sensor.
6. The campus attendance body temperature monitoring system of claim 5,
the temperature alarm is an acousto-optic alarm.
7. The campus attendance body temperature monitoring system of claim 4, wherein,
the first communication chip is a wireless communication chip or a wireless communication chip;
the second communication chip is a wireless communication chip or a wireless communication chip;
the third communication chip is a wireless communication chip.
8. The campus attendance body temperature monitoring system of claim 2,
entrance guard's equipment still includes: the student card reader is electrically connected with the first communication chip and used for reading student information in a student card, the student card reader is further used for transmitting the read student card information to the processor through the first communication chip and the second communication chip, and the processor is further used for transmitting the student information in the student card, the attendance time and the measured temperature to the display as attendance information of students.
9. The campus attendance body temperature monitoring system of claim 2,
entrance guard's equipment still includes: the light sensing chip and the light supplementing lamp; the light sensing chip is used for sensing the light brightness of the environment where the camera is located and outputting a high level signal when the light brightness is smaller than a brightness threshold value, and the light supplementing lamp is electrically connected with the light sensing chip and used for receiving the high level signal output by the light sensing chip and then lighting up.
10. The campus attendance body temperature monitoring system of claim 1,
entrance guard's equipment still includes:
the power supply module is used for connecting a mains supply to provide electric energy and charging the battery, and the battery is used for providing the electric energy when the mains supply is not switched on by the power supply module.
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| CN202023337945.2U CN214067867U (en) | 2020-12-31 | 2020-12-31 | Campus attendance body temperature monitoring system |
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| CN202023337945.2U CN214067867U (en) | 2020-12-31 | 2020-12-31 | Campus attendance body temperature monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113743285A (en) * | 2021-08-31 | 2021-12-03 | 国网河北省电力有限公司检修分公司 | Monitoring data display system based on mobile communication network |
| CN114038109A (en) * | 2021-10-27 | 2022-02-11 | 金陵科技学院 | Special access control system for school classroom epidemic situation |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113743285A (en) * | 2021-08-31 | 2021-12-03 | 国网河北省电力有限公司检修分公司 | Monitoring data display system based on mobile communication network |
| CN114038109A (en) * | 2021-10-27 | 2022-02-11 | 金陵科技学院 | Special access control system for school classroom epidemic situation |
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