CN220399989U - Fingerprint-based security verification system - Google Patents
Fingerprint-based security verification system Download PDFInfo
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- CN220399989U CN220399989U CN202321500746.XU CN202321500746U CN220399989U CN 220399989 U CN220399989 U CN 220399989U CN 202321500746 U CN202321500746 U CN 202321500746U CN 220399989 U CN220399989 U CN 220399989U
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Abstract
The utility model relates to the technical field of security verification, in particular to a fingerprint-based security verification system which is applied to a vehicle door or a building access control and comprises a main control module, an electronic switch, a fingerprint identification module, a radio frequency identification module and an electronic tag, wherein the radio frequency identification module is connected with the main control module and is used for identifying electronic tag information when the electronic tag is close, the main control module is connected with the electronic switch and is used for collecting and identifying fingerprint information of a user, the electronic switch is controlled by the main control module, and the main control module generates a trigger signal according to induction identification of the electronic tag and the radio frequency identification module and switches on or off the connection between the fingerprint identification module and the main control module. The utility model can improve the security of fingerprint verification and solve the problem that the probability of invalid verification of the single fingerprint security verification at present is relatively high.
Description
Technical Field
The utility model relates to the technical field of security verification, in particular to a fingerprint-based security verification system.
Background
In some venues, doors provide access to the venue for personnel gaining access. Such as a door or building access control. At present, fingerprint security verification is widely applied to vehicle doors or door accesses, and is mostly used for security verification requirements. When the identity security verification is needed, the fingerprint module collects fingerprint information and then compares the fingerprint information with the pre-stored fingerprint information, if the fingerprint information is matched with the pre-stored fingerprint information, the security verification can be passed, and the control unit drives the door lock to be opened.
However, in the prior art, a single fingerprint matching mode is adopted, and the security verification process has risks: for example, situations such as forgery verification, person being in charge; there are occasions where attendance needs are required, for example, a situation where certificates, cards, or the like are required to be worn as specified, and the probability that a single fingerprint security verification belongs to invalid verification is relatively high.
Disclosure of Invention
The utility model aims to provide a fingerprint-based security verification system for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a based on fingerprint safety verification system, uses in door or building entrance guard, includes main control module, electronic switch, fingerprint identification module, radio frequency identification module and electronic tags, radio frequency identification module is connected with main control module for discern electronic tags information when electronic tags is close to, main control module connects electronic switch, fingerprint identification module is connected with electronic switch for gather and discern user's fingerprint information, electronic switch receives main control module control, main control module produces trigger signal according to electronic tags and radio frequency identification module response discernment, will the fingerprint identification module with connect between the main control module switch-on or switch-off.
Further, the electronic switch is an analog electronic switch, the input end of the electronic switch is connected with the fingerprint identification module, the output end of the electronic switch is connected with the detection end of the main control module, and the controlled end of the electronic switch is connected with the control end of the main control module.
Further, the intelligent control system also comprises an alarm module and a GPS module, wherein the input ends of the alarm module and the GPS module are connected with the main control module, and the output ends of the alarm module and the GPS module are connected with the mobile terminal of the user.
Further, the electronic keyboard comprises an LCD display screen and a keyboard, wherein the display output end of the main control module is connected with the input end of the LCD display screen, and the keyboard is connected with the main control module through an electronic switch.
Further, the system also comprises a power supply, wherein the power supply is used for supplying power to the system.
Further, the main control module is provided with a FLASH chip.
Further, the main control module is in serial communication with the upper computer.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, after the electronic tag is far away from the radio frequency identification module, the closed loop signal is changed into the open circuit signal, and the main control module controls the electronic switch to disconnect the connection between the fingerprint identification module and the main control module according to the open circuit signal, so that the fingerprint identification module cannot be used at the moment. The fingerprint authentication system can effectively prevent situations such as unwillingnedly threatened, deceptively counterfeited, counterfeited authentication and the like, thereby improving the security of fingerprint authentication. And the manager or the manager can wear the certificate or the card, namely the electronic tag, according to the actual demand, the manager is required to wear the certificate or the card, when the electronic tag is close to the radio frequency identification module, the main control module receives the closed loop signal, the electronic switch is controlled to be connected with the fingerprint identification module, so that the manager can use the fingerprint identification module, when the electronic tag is far away from the radio frequency identification module, the electronic tag and the radio frequency identification module are identified and disconnected, the closed loop signal becomes a breaking signal, the main control module receives the breaking signal, the electronic switch is controlled to be disconnected with the fingerprint identification module, and the fingerprint identification module cannot be used. Therefore, the security of fingerprint verification is improved, and the problem that the probability of invalid verification of the existing single fingerprint security verification is relatively high is solved.
Drawings
Fig. 1 is a schematic diagram of a fingerprint-based security verification system according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "upper end," "lower end," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "sleeved," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the present utility model provides a technical solution:
the utility model provides a based on fingerprint safety verification system, uses in door or building entrance guard, includes main control module, electronic switch, fingerprint identification module, radio frequency identification module and electronic tags, radio frequency identification module is connected with main control module for discern electronic tags information when electronic tags is close to, main control module connects electronic switch, fingerprint identification module is connected with electronic switch for gather and discern user's fingerprint information, electronic switch receives main control module control, main control module produces trigger signal according to electronic tags and radio frequency identification module response discernment, will the fingerprint identification module with connect between the main control module switch-on or switch-off.
Preferably, the electronic switch is an analog electronic switch, an input end of the electronic switch is connected with the fingerprint identification module, an output end of the electronic switch is connected with a detection end of the main control module, and a controlled end of the electronic switch is connected with a control end of the main control module.
Preferably, the system further comprises an alarm module and a GPS module, wherein the input ends of the alarm module and the GPS module are connected with the main control module, and the output ends of the alarm module and the GPS module are connected with the mobile terminal of the user.
Preferably, the electronic keyboard further comprises an LCD display screen and a keyboard, wherein the display output end of the main control module is connected with the input end of the LCD display screen, and the keyboard is connected with the main control module through an electronic switch.
Preferably, the system further comprises a power supply for supplying power to the system.
Preferably, the main control module is provided with a FLASH chip.
Preferably, the main control module is in serial communication with the upper computer.
The utility model is applied to doors or building entrance guard, when the fingerprint collection of the collected personnel passes, the main control module opens through the door lock correspondingly controlled, so that the doors or the entrance guard can be opened. The power supply is that the whole system is powered by a power supply, the power supply adopts a lithium battery or a power management module which is arranged in the system, the power management module is charged through a power adapter, and the voltage of a storage battery or a commercial power is converted into the voltage required by the normal operation of the system. The main control module controls each module to work. The fingerprint identification module is used for fingerprint verification, and if the fingerprint of the person to be collected passes through the fingerprint identification module, the system sends a control instruction to the corresponding door lock through the main control module so as to open the door lock. The person passing the test can pass.
If the verification cannot be passed, password confirmation is carried out through the keyboard, and the correct person opens the normal door lock, so that the door or the door guard can be opened, and the door or the door guard is input for several times: if the main control module starts the alarm module after three times of input errors, the alarm module can send short messages to the mobile terminal (the mobile phone of the manager) of the user by utilizing the AT instruction.
According to actual requirements, such as application to a vehicle door, a GPS module is added. Once the car is stolen, the GPS module is used to track the lost car, ensuring the safety of the car. Meanwhile, the vehicle owner can check the position information of the vehicle by a user mobile terminal (mobile phone) server.
According to the utility model, the main control module can adopt an SH79F166AP single-chip microcomputer chip, an STM32F103ZET6 single-chip microcomputer chip, a TMS320C5416 single-chip microcomputer chip or an S3C2440 single-chip microcomputer chip; the alarm module can adopt a GSM module SIM900A or a GSM module TC35i; the GPS module can adopt NEO-6M and the like, and the radio frequency identification module is based on an EM-18RFID reader; fingerprint identification module may employ SB2000M, R301, MBF200 or FPKey fingerprint collector, etc.
The main control module of the utility model preferably uses a singlechip chip with the model of SH79F166AP and peripheral circuits thereof. The SH79F166AP chip is a high-speed high-efficiency 8051 compatible single chip microcomputer, the SH79F166AP chip reserves most of characteristics of a standard 8051 chip, the characteristics comprise built-in 256-byte RAM, in addition, the SH79F166AP also integrates an external 256-byte RAM, a 16-bit Timer/counter (Timer 2) compatible with the 8052 chip, and the single chip microcomputer also comprises a 16-K-byte Flash block suitable for programs and data. The FLASH is used for storing registered fingerprint feature information and algorithm codes, and the RAM is used for running a program space of the codes.
The utility model discloses an electronic switch, which is an analog electronic switch with a model of CD4016 and comprises four input ends, four output ends and a controlled end. The input end of the analog electronic switch is connected with the fingerprint identification module, the output end of the analog electronic switch is connected with the detection end of the main control module, and the controlled end of the analog electronic switch is connected with the control end of the main control module.
In the specific application of the system, the application in the factory workshop door will be described as an example: the electronic tag needs personnel to carry about, when the office needs to enter a factory workshop, the electronic tag is close to a radio frequency identification module (EM-18 RFID reader), then a main control module (SH 79F166AP chip) reads and identifies electronic tag information, at the moment, the main control module generates a trigger signal (closed loop signal) according to induction identification of the electronic tag and the radio frequency identification module, and controls the electronic switch to be connected with the fingerprint identification module and the main control module, so that the personnel can use the fingerprint identification module, the fingerprint of the personnel passes through the verification of the fingerprint identification module, and a control instruction is sent to a corresponding door lock by the main control module so as to open the door lock. The person passing the detection can pass through, thereby entering the factory workshop.
Similarly, if the connection between the fingerprint identification module and the main control module is switched on, the authentication of the staff using the fingerprint identification module is wrong, for example, the fingerprint is unclear or the fingerprint identification module cannot be correctly identified due to stains, the password can be confirmed through the keyboard, and if the fingerprint identification module is correct, the normal door lock is unlocked.
According to the utility model, after the electronic tag is far away from the radio frequency identification module, the closed loop signal is changed into the open circuit signal, and the main control module controls the electronic switch to disconnect the connection between the fingerprint identification module and the main control module according to the open circuit signal, so that the fingerprint identification module cannot be used at the moment. The fingerprint authentication system can effectively prevent situations such as unwillingnedly threatened, deceptively counterfeited, counterfeited authentication and the like, thereby improving the security of fingerprint authentication. And the manager or the manager can wear the certificate or the card, namely the electronic tag, according to the actual demand, the manager is required to wear the certificate or the card, when the electronic tag is close to the radio frequency identification module, the main control module receives the closed loop signal, the electronic switch is controlled to be connected with the fingerprint identification module, so that the manager can use the fingerprint identification module, when the electronic tag is far away from the radio frequency identification module, the electronic tag and the radio frequency identification module are identified and disconnected, the closed loop signal becomes a breaking signal, the main control module receives the breaking signal, the electronic switch is controlled to be disconnected with the fingerprint identification module, and the fingerprint identification module cannot be used. Therefore, the security of fingerprint verification is improved, and the problem that the probability of invalid verification of the existing single fingerprint security verification is relatively high is solved.
The utility model adopts serial communication mode for communication between the main control module (SH 79F166AP chip) and the upper computer, and specifically adopts MAX232 to realize the conversion between TTL and RS-232 through serial communication interface design, thereby realizing communication with the computer.
The remainder of the description of the utility model is not prior art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The fingerprint-based security verification system is applied to a vehicle door or a building access control, and is characterized by comprising a main control module, an electronic switch, a fingerprint identification module, a radio frequency identification module and an electronic tag, wherein the radio frequency identification module is connected with the main control module and is used for identifying electronic tag information when the electronic tag is close to the main control module, the main control module is connected with the electronic switch and is used for collecting and identifying fingerprint information of a user, and the electronic switch is controlled by the main control module and is connected with or disconnected from the main control module.
2. The fingerprint-based security verification system of claim 1, wherein the electronic switch is an analog electronic switch, an input end of the electronic switch is connected with the fingerprint identification module, an output end of the electronic switch is connected with a detection end of the master control module, and a controlled end of the electronic switch is connected with a control end of the master control module.
3. The fingerprint-based security verification system of claim 1, further comprising an alarm module and a GPS module, wherein the alarm module and the GPS module have inputs connected to the main control module and outputs connected to the user mobile terminal.
4. The fingerprint-based security verification system of claim 1, further comprising an LCD display screen and a keyboard, wherein the display output end of the main control module is connected with the input end of the LCD display screen, and the keyboard is connected with the main control module through an electronic switch.
5. A fingerprint-based security verification system according to claim 1, further comprising a power supply for supplying power to the system.
6. The fingerprint-based security verification system of claim 1, wherein said master control module has a FLASH chip.
7. The fingerprint-based security verification system of claim 1, wherein the master control module communicates with a host computer serial port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321500746.XU CN220399989U (en) | 2023-06-13 | 2023-06-13 | Fingerprint-based security verification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321500746.XU CN220399989U (en) | 2023-06-13 | 2023-06-13 | Fingerprint-based security verification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399989U true CN220399989U (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321500746.XU Active CN220399989U (en) | 2023-06-13 | 2023-06-13 | Fingerprint-based security verification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399989U (en) |
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2023
- 2023-06-13 CN CN202321500746.XU patent/CN220399989U/en active Active
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