CN115099254A - Intelligent card reader and intelligent card reading system supporting finger temperature measurement - Google Patents
Intelligent card reader and intelligent card reading system supporting finger temperature measurement Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
- G06K7/10376—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being adapted for being moveable
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/20—Clinical contact thermometers for use with humans or animals
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
- G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
- G07C9/257—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition electronically
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/29—Individual registration on entry or exit involving the use of a pass the pass containing active electronic elements, e.g. smartcards
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Abstract
The application discloses support intelligent card reader and intelligent card reading system of finger temperature measurement. This intelligent card reader includes: the intelligent card reader comprises a fingerprint control module, an environment temperature sensor, a temperature measurement control module and an information management module, wherein the fingerprint control module is used for reading fingerprint data and sending the fingerprint data to the information management module, the environment temperature sensor is used for measuring the environment temperature of the intelligent card reader, the temperature measurement control module is used for reading finger temperature measurement data and environment temperature measurement data, determining user body temperature data based on the environment temperature measurement data and the finger temperature measurement data and sending the user body temperature data to the information management module, the information management module is used for carrying out user identity verification and body temperature judgment according to the received data, and if the user identity verification is passed and the body temperature is within a preset range, an entrance guard opening control instruction is output. The invention can realize the electronic management combining temperature measurement and personnel management.
Description
Technical Field
The application relates to the technical field of smart campuses, and more particularly relates to a smart card reader and a smart card reading system supporting finger temperature measurement.
Background
At present, human body temperature measurement is a necessary measure for closed crowd-intensive places such as campuses and the like, and park-entering registration is a necessary personnel management measure, the human body temperature measurement and the park-entering registration are separately carried out in the current market, the temperature measurement needs manual temperature measurement of people, and an efficient, portable and orderly electronic management system or device combining the temperature measurement and the personnel management functions is lacked.
Disclosure of Invention
Aiming at least one defect or improvement requirement in the prior art, the invention provides a smart card reader and a smart card reading system supporting finger temperature measurement, which can realize electronic management combining temperature measurement and personnel management.
To achieve the above object, according to a first aspect of the present invention, there is provided a smart card reader supporting finger temperature measurement, including a fingerprint control module, an ambient temperature sensor, a temperature measurement control module and an information management module, where the fingerprint control module is configured to read fingerprint data and send the fingerprint data to the information management module, the ambient temperature sensor is configured to measure an ambient temperature of the smart card reader, the temperature measurement control module is configured to read finger temperature measurement data and ambient temperature measurement data, determine user body temperature data based on the ambient temperature measurement data and the finger temperature measurement data, and send the user body temperature data to the information management module, the information management module is configured to perform user identity verification and body temperature judgment according to the received data, and output an entrance guard opening control instruction if the user identity verification passes and the body temperature is within a preset range, and storing the body temperature data of the user and the pass record and sending the body temperature data and the pass record to a background server.
Further, the determining the user body temperature data comprises:
the method comprises the steps of storing a body temperature offset table in advance, wherein n groups of historical finger temperature measurement data, historical environment temperature measurement data and historical user real body temperature data are stored in the body temperature offset table, and each group of historical finger temperature measurement data and historical environment temperature measurement data corresponds to one historical user real body temperature data.
Further, the minimum value Emin and the maximum value Emax of the historical environmental temperature measurement data in the body temperature offset table form an interval E,
setting the environment temperature measurement data read at a certain time as Ta and the finger temperature measurement data read as Tf;
if the read environmental temperature measurement data Ta is less than Emin or greater than Emax, the fact that the current environmental temperature is too low or too high is prompted, and the body temperature measurement is not suitable; (ii) a
If the read environment temperature measurement data is located in the interval E, inquiring a historical finger temperature range corresponding to Ta in the body temperature offset table, wherein the minimum value Rmin and the maximum value Rmax of the historical finger temperature measurement data corresponding to Ta form an interval R:
when the read finger temperature measurement data Tf is smaller than the Rmin of the historical finger temperature measurement data, calculating and determining the final body temperature data of the user by adopting a preset first body temperature compensation algorithm;
when the read finger temperature measurement data Tf is larger than the Rmax of the historical finger temperature measurement data, calculating and determining final body temperature data of the user by adopting a preset second body temperature compensation algorithm;
and when the read finger temperature measurement data Tf is positioned in the interval R, calculating and determining the final body temperature data of the user by adopting a preset third body temperature compensation algorithm.
Further, the first body temperature compensation algorithm is as follows:
in the formula, Tu is the final body temperature data of the user, and Tb _ min is the minimum value of the real body temperature data of the historical user corresponding to the interval R in the body temperature offset table;
the second body temperature compensation algorithm is as follows:
in the formula, Tb _ max is the maximum value of the real body temperature data of the historical user corresponding to the interval R in the body temperature offset table;
the third body temperature compensation algorithm is as follows:
in the formula, Ti is n pieces of historical finger temperature measurement data which are closest to Tf values in a body temperature deviation table inside interval R, and Tb is n pieces of historical user real body temperature data corresponding to n Ti values in the body temperature deviation table.
Historical environmental temperature measurement data and historical finger temperature data in the body temperature offset meter are acquired through an environmental temperature sensor and a temperature measurement control module respectively, one part of corresponding pre-stored real body temperature data of a user is acquired and recorded by sampling the real body temperature of any part of the armpit, the oral cavity and the rectum of the user through a mercury thermometer, the other part of the corresponding real body temperature data of the user is acquired through a body temperature compensation algorithm, and then the body temperature offset meter is recorded, so that the sample data of the body temperature offset meter is continuously updated.
The intelligent card reader also comprises a power supply control module and a card slot, wherein the power supply control module is used for supplying power to the IC card when the IC card is inserted into the card slot.
Furthermore, the intelligent card reader supporting finger temperature measurement further comprises a display screen and a loudspeaker, wherein the display screen is used for displaying user identity authentication information, user body temperature data and prompt alarm information, and the loudspeaker is used for playing the prompt and the alarm information.
According to a second aspect of the invention there is also provided a smart card reader system supporting finger thermometry, comprising a smart card reader as claimed in any one of the claims.
Furthermore, the intelligent card reading system supporting finger temperature measurement further comprises an intelligent IC card and a background server, wherein the intelligent IC card comprises a fingerprint and temperature combined sensor, an IC card chip and a wireless induction coil, the fingerprint and finger temperature combined sensor is used for collecting fingerprint data and finger temperature data when a user touches the induction area, the collected fingerprint data is reported to a fingerprint control module of the intelligent card reader, and the finger temperature data is reported to a temperature measurement control module of the intelligent card reader.
Further, the IC card chip comprises a wireless communication chip and a wired communication chip with metal contacts, wherein the wired communication chip integrates 8 metal contacts C1, C2, C3, C4, C5, C6, C7 and C8, the C4 and C8 contacts are reserved, the C4, C8 and C5 serve as communication data interfaces between the fingerprint and temperature combination sensor and the intelligent card reader, the C1 and C5 serve as power supply interfaces, and the C5 serves as a common grounding terminal.
Generally, the intelligent card reader and the intelligent card reading system provided by the invention support one-time card swiping, can simultaneously realize the functions of card port personnel authentication, human body temperature measurement and personnel information management, and do not need to additionally increase temperature measurement equipment and personnel registration equipment. Under the condition that personnel verify and the temperature measurement passes through, can send the instruction of opening the door for bayonet entrance guard's equipment automatically, can realize that automatic management personnel come in and go out, can reduce bayonet socket managers's outfit, practice thrift the human cost. And moreover, the body temperature data of the user can be obtained based on the environmental temperature measurement data and the finger temperature measurement data through calibration, and the accuracy is high.
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 embodiments will be briefly described 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 schematic diagram of a smart IC card provided in an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating a smart card reader and a smart IC card according to an embodiment of the present application;
FIG. 3 is a schematic diagram of user body temperature data calculation provided by an embodiment of the present application;
reference numerals: 101-IC card chip, 102-fingerprint and temperature combined sensor, 103-power supply circuit, 104-data transmission line, 105-wireless induction coil, 106-plastic packaging card base;
201-card reader body, 202-display screen, 203-card slot, 204-loudspeaker, 205-ambient temperature sensor, 206-smart card.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The terms "including" and "having," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or modules listed, but may alternatively include other steps or modules not listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, the smart IC card according to the embodiment of the present invention includes an IC card chip 101, a fingerprint and temperature combination sensor 102, a wireless induction coil 105, and a plastic-packaged card base 106 outside. Further, a power supply line 103 and a data transmission line 104 are also included.
The fingerprint and temperature combined sensor is used for collecting fingerprint data and finger temperature data when a user touches the sensing area.
Furthermore, the intelligent IC card is a contact type intelligent IC card and a non-contact type intelligent IC card which are integrated by two card swiping modes, the contact type card swiping is used for finger temperature measurement, personnel information management and card port access control functions, and the non-contact type card swiping is used for common money consumption and common access control functions in a campus.
Furthermore, the physical characteristics and the electrical characteristics of the intelligent IC card accord with the ISO/IEC7816 international standard, wherein the IC card chip integrates a wired communication chip with a metal contact and a wireless communication radio frequency chip with the working frequency of 13.56 MHz; the wired communication chip is used for contact card swiping, and the wireless communication chip is used for non-contact card swiping.
Furthermore, a wired communication chip in the IC card chip stores user information in an encryption mode, wherein the user information comprises personal identity information, fingerprint information and access control authorization information; when the contact card is swiped, the card reader can read and write the relevant information in the chip only through the authentication of the corresponding decryption mode.
Furthermore, the wireless communication chip in the IC card chip stores consumption information and common access control authorization information in an encryption mode; when the non-contact card swiping is carried out, the card reader can read and write the relevant information in the chip only through the authentication of the corresponding decryption mode.
According to the ISO/IEC7816 international standard, the IC card chip integrates 8 metal contacts, namely C1-VCC, C2-RST, C3-CLK, C4-RFU, C5-GND, C6-VPP, C7-I/O and C8-RFU, as shown in Table 1.
TABLE 1
The fingerprint and temperature combined sensor is formed by combining a fingerprint identification sensor and a body temperature measuring sensor, wherein the fingerprint identification sensor is used for fingerprint identification and identity verification, and the body temperature measuring sensor is used for measuring the temperature of a finger.
Further, the fingerprint and temperature combined sensor is connected with the IC card chip through a wire, and comprises a power supply circuit and a data transmission circuit.
The power supply circuit is connected to the C1 and C5 contacts of the IC card chip and used for supplying power to the fingerprint and temperature combined sensor, namely C1-VCC is a power supply anode, and C5-GND is a power supply cathode.
The data transmission line is connected to the C4 and C8 contacts of the IC card chip, according to the ISO/IEC7816 international standard, the 2 pin contacts are reserved and are not defined temporarily, the invention adopts the 2 pin contacts, defines C4 as a data interface A, defines C8 as a data interface B, and simultaneously defines C5-GND as a common grounding terminal of the data interface.
As shown in table 2, the three interfaces of data interface a, data interface B and C5-GND constitute a complete data transmission mode.
TABLE 2
| Contact number | Dispensing | Contact number | Dispensing |
| C1 | VCC: supply voltage | C5 | GND: ground |
| C4 | Data interface A | C8 | Data interface B |
Further, the data interface A and the data interface B are respectively in a data signal transmission mode of one of logic level signals and differential signals, and a data communication mode of one of RS-232, RS-485, TTL and CAN buses.
The invention provides an intelligent card reader supporting finger temperature measurement, which comprises a fingerprint control module, an environment temperature sensor, a temperature measurement control module and an information management module, wherein the fingerprint control module is used for reading fingerprint data and sending the fingerprint data to the information management module, the environment temperature sensor is used for measuring the environment temperature of the intelligent card reader, the temperature measurement control module is used for reading finger temperature measurement data and environment temperature measurement data, determining user body temperature data based on the environment temperature measurement data and the finger temperature measurement data and sending the user body temperature data to the information management module, the information management module is used for carrying out user identity verification and body temperature judgment according to the received data, and if the user identity verification is passed and the body temperature is within a preset range, an entrance guard opening control instruction is output.
Furthermore, the intelligent card reader also comprises a power supply control module and a card slot, wherein the power supply control module is used for supplying power to the IC card when the IC card is inserted into the card slot.
Furthermore, the intelligent card reader also comprises a display screen and a loudspeaker, wherein the display screen is used for displaying the user identity authentication information, the user body temperature data and the prompt alarm information, and the loudspeaker is used for playing the prompt alarm information.
As shown in FIG. 2, the smart card reader in one embodiment comprises a smart external configuration composed of a card reader main body 201, a display screen 202, a card slot 203, a loudspeaker 204 and an ambient temperature sensor 205; the display screen is used for displaying user information, temperature measurement information, prompt information and alarm information, the loudspeaker is used for electronic voice broadcasting, and the ambient temperature sensor is used for measuring the ambient temperature of a site.
The intelligent card reader is internally composed of a power supply control module, a fingerprint control module, a temperature measurement control module and an information management module; the power control module is used for supplying energy to the IC card chip, the fingerprint identification sensor and the body temperature measuring sensor of the intelligent campus card, and the fingerprint control module and the temperature measurement control module are used for carrying out data communication with the fingerprint identification sensor and the body temperature measuring sensor in the intelligent campus card. The information management module is used for storing, analyzing, processing and sending data.
Further, when the user inserts the smart card 206 into the card slot of the smart card reader by pinching the finger, i.e. performing a contact-type card swipe, the smart campus card and the smart card reader are connected by wire through the metal contact on the IC card chip.
Furthermore, a power control module in the intelligent card reader supplies power to the IC card chip through a contact, and meanwhile supplies power to the fingerprint and temperature combined sensor through a wired power supply line between the fingerprint and temperature combined sensor and the IC card functional chip.
The information management module of the intelligent card reader stores user information in advance, wherein the user information comprises personal identity information, fingerprint information, consumption information and access control authorization information.
Furthermore, after the IC card chip, the fingerprint and temperature combined sensor enter a power-on working state, the information management module of the intelligent card reader reads user information in the IC card chip after multi-round encryption authentication, and compares the user information with data stored in the information management module to ensure that card personnel information is normal, card functions are normal and access control authorization is effective, and if the card information and functions are abnormal, a display screen and a loudspeaker of the card reader can give an alarm.
And then, the fingerprint identification sensor performs fingerprint identification on the finger and reports the data to the fingerprint control module of the intelligent card reader, and the body temperature measurement sensor performs body temperature measurement on the finger and reports the data to the temperature measurement control module.
Furthermore, the fingerprint control module analyzes and processes the received fingerprint data and then sends the fingerprint data to the information management module, and the information management module compares the prestored fingerprint data with the fingerprint data acquired by the fingerprint control module, so that the testimony and testimony comparison is carried out, and the testimony and testimony integration is ensured.
Furthermore, the environment temperature sensor measures the current environment temperature in real time and reports the current environment temperature to the temperature measurement control module.
Furthermore, the temperature measurement control module analyzes and processes the acquired finger body temperature data through a body temperature compensation algorithm, and converts the finger body temperature data into real body temperature data with an error within an allowable range.
Further, as shown in fig. 3, determining user body temperature data based on the ambient temperature measurement data and the finger temperature measurement data comprises the steps of:
(1) the method comprises the steps of storing a body temperature offset table in advance, wherein the body temperature offset table stores multiple groups of historical finger temperature measurement data, historical environment temperature measurement data and historical user real body temperature data, and each group of historical finger temperature measurement data and historical environment temperature measurement data corresponds to one historical user real body temperature data.
The minimum value Emin and the maximum value Emax of the historical environmental temperature measurement data form an interval E, the environmental temperature measurement data read at a certain time is set to be Ta, and the finger temperature measurement data read is Tf;
(2) if the read environmental temperature measurement data Ta is less than Emin or greater than Emax, the fact that the current environmental temperature is too low or too high is prompted, and the body temperature measurement is not suitable;
if the read environmental temperature measurement data Ta is located in the interval E, inquiring a historical finger temperature range corresponding to Ta in the body temperature offset table, wherein the minimum value Rmin and the maximum value Rmax of the historical finger temperature measurement data corresponding to Ta form an interval R:
when the read finger temperature measurement data Tf is smaller than the Rmin of the historical finger temperature measurement data, calculating and determining the final body temperature data of the user by adopting a preset first body temperature compensation algorithm; when the read finger temperature measurement data Tf is larger than the Rmax of the historical finger temperature measurement data, calculating and determining the final body temperature data of the user by adopting a preset second body temperature compensation algorithm; and when the read finger temperature measurement data Tf is positioned in the interval R, calculating and determining the final body temperature data of the user by adopting a preset third body temperature compensation algorithm.
The body temperature deviation meter is composed of historical finger temperature measurement data of a person, corresponding historical environment temperature data and real historical body temperature data of the person, and is shown in a table 3. Under different environmental temperatures, finger temperatures of different people are sampled by using a body temperature measuring sensor of an IC card, and real body temperatures of any part of armpits, oral cavities and rectum of the people are sampled by a mercury thermometer.
TABLE 3
In one embodiment, the historical environmental temperature values in the body temperature deviation table are increased by 0.1 ℃, the temperature range is from 5 ℃ to 35 ℃, and the human body temperature is collected in the environmental temperature range; the values of the finger temperature and the real temperature are acquired by taking 0.01 ℃ as a unit and are recorded according to the actual acquisition condition;
firstly, after a temperature measurement control module of the intelligent card reader receives the current environment temperature Ta reported by an environment temperature sensor and the finger temperature Tf reported by a body temperature measurement sensor, the body temperature offset meter is inquired.
If the current ambient temperature Ta is not in the body temperature deviation table, namely exceeds 35 ℃ or is lower than 5 ℃, text prompt and voice prompt are carried out through a screen of the intelligent card reader, and the fact that the current ambient temperature is too high or too low is prompted, so that the body temperature measurement is not suitable.
If the current environment temperature Ta is within the range of the body temperature offset meter, under the current environment temperature Ta, firstly inquiring a finger temperature range R corresponding to Ta: if the finger temperature value Tf belongs to the range of R, inquiring n groups of Ti in R, wherein | Ti-Tf | is less than or equal to 0.1 ℃, then inquiring n groups of real entity temperature values Tb corresponding to the n groups of Ti values, then inputting Tf and the n groups of Ti and Tb into a compensation formula, outputting the final body temperature value of a normal user through a normal body temperature compensation formula in the body temperature compensation formula, and updating the user data into a body temperature offset table.
If the finger temperature value Tf does not belong to the range of R and Tf is smaller than the minimum value Rmin in the range of R, the minimum real entity temperature value Tb _ min corresponding to R is inquired, Tf, Rmin and Tb _ min are input into a compensation formula, the final body temperature value of a normal user is output through a low-temperature compensation formula in the body temperature compensation formula, the user data are updated into a body temperature offset table, a new group of finger temperature, environment temperature and body temperature data obtained through measurement are added into the body temperature offset table, the data volume in the body temperature offset table is increased, and the body temperature data obtained through calibration of the body temperature offset table are more and more accurate along with the increase of the use times.
If the finger temperature value Tf does not belong to the range of R and Tf is larger than the maximum value Rmax in the range of R, inquiring the maximum true entity temperature value Tb _ max corresponding to R, inputting Tf, Rmax and Tb _ max into a compensation formula, outputting the body temperature value of a normal user or the body temperature value of a high-temperature user through a high-temperature compensation formula in the body temperature compensation formula, updating the data of the body temperature value into a body temperature offset table if the output normal body temperature value is output, and storing the body temperature value into a high-temperature user data table if the output high-temperature body temperature value is output.
The body temperature compensation formula consists of a normal body temperature compensation formula, a low temperature compensation formula and a high temperature compensation formula. The body temperature compensation formula is used for carrying out mathematical operation on the measured finger temperature and the sampling data in the body temperature offset table through mathematical operation to obtain the finally compensated body temperature data of the user.
The normal body temperature compensation formula preferably adopts the following calculation formula:
the normal body temperature compensation formula is
In the formula, Tu is the final body temperature data of the user, Ta is the read ambient temperature measurement data, Tf is the read finger temperature measurement data, Ti is the n historical finger temperature measurement data closest to the Tf value in the body temperature deviation table interior interval R, and Tb is the n historical user real body temperature data corresponding to the n Ti values in the body temperature deviation table.
If a user uses the system, the ambient temperature value measured by the ambient temperature sensor is 15 ℃, the finger body temperature value measured by the fingerprint and temperature combination sensor is 35.20 degrees 5, the body temperature offset table is inquired, the required Ti values are 35.11, 35.19 and 35.28, the corresponding real body temperature values are 36.61, 36.82 and 36.38, and then the final body temperature value of the user can be obtained through the body temperature compensation formula:
Tu≈(36.61+36.82+36.38)/3-|(35.11+35.19+35.28)/3-35.20|＝36.60℃
the low-temperature compensation formula preferably adopts the following calculation formula:
in the formula, Tb _ min is the minimum value of the historical user real body temperature data corresponding to the interval R.
The high temperature compensation formula preferably adopts the following calculation formula:
in the formula, Tb _ max is the maximum value of the historical user real body temperature data corresponding to the interval R.
Further, the temperature measurement control module sends the converted body temperature data to the information management module, the information management module judges and analyzes the data, if the data is larger than a specified body temperature threshold value, the display screen and the loudspeaker of the card reader can give an alarm, and if the data is normal, the display screen and the loudspeaker can normally display and broadcast user information, temperature measurement information and prompt information.
Further, when card information and function are normal, the testimony of a witness contrast passes through, temperature measurement data is normal when, smart card reader can send the pass command for bayonet door access control equipment, and bayonet door access control passageway is opened, and the user that the campus card corresponds can normally pass through this bayonet socket.
The intelligent card reading system supporting finger temperature measurement comprises any one of the intelligent card readers.
Further, the intelligent card reading system also comprises any intelligent IC card and a background server.
According to the intelligent campus card system based on finger temperature measurement, the contact card swiping mode is adopted, the traditional non-contact card swiping mode is supported, and the campus card system can be used for canteen consumption and common entrance guard. The non-contact card swiping is realized by a wireless communication radio frequency chip and a wireless induction coil which are integrated in an IC card chip in an intelligent campus card and a matched wireless card reader.
According to the finger temperature measurement-based intelligent campus card system, each card swiping record can be reported to the background server by the intelligent card reader, the card swiping records comprise user information, card swiping time, temperature measurement data, access control records and consumption records, and the background server can be used for registering and managing staff in a school in real time.
Further, the background server can remotely read and write data into the intelligent card reader, including personnel authorization of the intelligent card reader, and can also remotely send instructions to the intelligent card reader. Meanwhile, in the campus card room, the background server can remotely read and write data into the intelligent campus card by combining with the corresponding card sender.
In summary, the intelligent card reading system supporting finger temperature measurement provided by the invention realizes an electronic management system combining temperature measurement and personnel management functions.
The above description is merely exemplary embodiments of the present disclosure, and is not intended to limit the scope of the present disclosure. That is, all equivalent changes and modifications made in accordance with the teachings of the present disclosure are intended to be covered by the present disclosure. Embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
It will be appreciated by those skilled in the art that the foregoing is only a preferred embodiment of the invention, and is not intended to limit the invention, which is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An intelligent card reader supporting finger temperature measurement is characterized by comprising a fingerprint control module, an ambient temperature sensor, a temperature measurement control module and an information management module, the fingerprint control module is used for reading fingerprint data and sending the fingerprint data to the information management module, the environment temperature sensor is used for measuring the environment temperature of the intelligent card reader, the temperature measurement control module is used for reading the finger temperature measurement data and the environment temperature measurement data, determining the body temperature data of the user based on the environment temperature measurement data and the finger temperature measurement data, and sends the body temperature data of the user to the information management module, the information management module is used for carrying out user identity authentication and body temperature judgment according to the received data, if the user identity authentication is passed and the body temperature is in a preset range, and outputting an entrance guard opening control instruction, storing the body temperature data of the user and the passing record and sending the body temperature data and the passing record to a background server.
2. The smart card reader of claim 1 wherein the determining the user body temperature data comprises:
the method comprises the steps that a body temperature deviation table is stored in advance, n groups of historical finger temperature measurement data, historical environment temperature measurement data and historical user real body temperature data are stored in the body temperature deviation table, and each group of historical finger temperature measurement data and historical environment temperature measurement data corresponds to one historical user real body temperature data.
3. The smart card reader supporting finger temperature measurement according to claim 2, wherein a minimum value Emin and a maximum value Emax of historical environmental temperature measurement data in the body temperature deviation meter form an interval E;
setting the environment temperature measurement data read at a certain time as Ta and the finger temperature measurement data read as Tf;
if the read environmental temperature measurement data Ta is less than Emin or greater than Emax, the fact that the current environmental temperature is too low or too high is prompted, and the body temperature measurement is not suitable;
if the read environmental temperature measurement data Ta is located in the interval E, inquiring a historical finger temperature range corresponding to Ta in the body temperature offset table, wherein the minimum value Rmin and the maximum value Rmax of the historical finger temperature measurement data corresponding to Ta form an interval R:
when the read finger temperature measurement data Tf is smaller than Rmin of the historical finger temperature measurement data, calculating and determining final body temperature data of the user by adopting a preset first body temperature compensation algorithm;
when the read finger temperature measurement data Tf is larger than the Rmax of the historical finger temperature measurement data, calculating and determining final body temperature data of the user by adopting a preset second body temperature compensation algorithm;
and when the read finger temperature measurement data Tf is positioned in the interval R, calculating and determining the final body temperature data of the user by adopting a preset third body temperature compensation algorithm.
4. The intelligent card reader supporting finger temperature measurement according to claim 2 or 3, wherein historical environmental temperature measurement data and historical finger temperature data in the body temperature deviation meter are acquired through an environmental temperature sensor and a temperature measurement control module respectively, one part of corresponding pre-stored historical user real body temperature data is acquired and recorded by sampling the real body temperature of any one of the underarm, the oral cavity and the rectum of a user through a mercury thermometer, and the other part of the corresponding pre-stored historical user real body temperature data is acquired and recorded by obtaining the user real body temperature data through a body temperature compensation algorithm and then recording the body temperature deviation meter, so that the sample data of the body temperature deviation meter is continuously updated.
5. The smart card reader supporting finger temperature measurement according to claim 2 or 3, wherein the first body temperature compensation algorithm is as follows:
in the formula, Tu is the final body temperature data of the user, and Tb _ min is the minimum value of the real body temperature data of the historical user corresponding to the interval R in the body temperature offset table;
the second body temperature compensation algorithm is as follows:
in the formula, Tb _ max is the maximum value of the real body temperature data of the historical user corresponding to the interval R in the body temperature offset table;
the third body temperature compensation algorithm is as follows:
in the formula, Ti is n pieces of historical finger temperature measurement data which are closest to Tf values in a body temperature deviation table inside interval R, and Tb is n pieces of historical user real body temperature data corresponding to n Ti values in the body temperature deviation table.
6. The smart card reader supporting finger temperature measurement according to claim 1, further comprising a power control module and a card slot, wherein the power control module is used for supplying power to the IC card when the IC card is inserted into the card slot.
7. The smart card reader supporting finger temperature measurement according to claim 1, further comprising a display screen and a speaker, wherein the display screen is used for displaying user identity authentication information, user body temperature data and prompt alarm information, and the speaker is used for playing the prompt and the alarm information.
8. A smart card reading system supporting finger temperature measurement, comprising the smart card reader of any one of claims 1-7.
9. The smart card reading system supporting finger temperature measurement according to claim 8, further comprising a smart IC card and a background server, wherein the smart IC card includes a fingerprint and temperature combined sensor, an IC card chip and a wireless induction coil, the fingerprint and temperature combined sensor is configured to collect fingerprint data and finger temperature data when a user touches the induction area, report the collected fingerprint data to a fingerprint control module of the smart card reader, and report the finger temperature data to a temperature measurement control module of the smart card reader.
10. The smart card reading system supporting finger thermometry according to claim 9, wherein the IC card chip comprises a wireless communication chip and a wired communication chip with metal contacts, the wired communication chip integrates 8 metal contacts C1, C2, C3, C4, C5, C6, C7, C8, wherein C4 and C8 contacts are reserved, C4, C8, C5 serve as a communication data interface between the fingerprint and temperature combination sensor and the smart card reader, C1 and C5 serve as a power supply interface, and C5 serves as a common ground terminal.
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