CN210515437U

CN210515437U - Access control system capable of performing safety early warning

Info

Publication number: CN210515437U
Application number: CN201921735252.3U
Authority: CN
Inventors: 肖艳军; 张凌玮; 刘家宝; 王彩云
Original assignee: Hebei University of Technology
Current assignee: Hebei University of Technology
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-05-12
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses an entrance guard system capable of safety early warning, which comprises a singlechip, a power module, a human-computer interaction module and an entrance guard module; the single chip microcomputer, the power supply module and the human-computer interaction module are all arranged on the access control module; the single chip microcomputer is respectively in communication connection with the human-computer interaction module and the access control module; the power supply module is respectively and electrically connected with the single chip microcomputer, the access control module and the human-computer interaction module; the access control module comprises an electric control lock, a motor, a channel, a door and an infrared grating; the infrared grating comprises an infrared grating transmitting end and an infrared grating receiving end which are respectively arranged at two sides of an inlet of the channel, a door is arranged at an outlet of the channel, an electric control lock is arranged at one side of the door, the motor is arranged at the top of the door, and an output shaft of the motor is fixedly connected with a rotating shaft of the door; the infrared grating transmitting end and the motor are in one-way communication connection with the single chip microcomputer, and the electric control lock and the infrared grating receiving end are in two-way communication connection with the single chip microcomputer. The access control system detects whether people track through the infrared grating, and the aim of preventing follow-up is fulfilled.

Description

Access control system capable of performing safety early warning

Technical Field

The utility model relates to a safety monitoring technical field, more specifically relate to an access control system that can safe early warning.

Background

With the rapid development of face recognition technology and internet big data, face recognition systems are being widely applied in the fields of security, commerce and the like. The face recognition entrance guard can integrate the functions of identity card collection, 1:1 verification of the identity card, 1: N recognition of a black and white list and the like, and is widely applied to occasions of attendance checking, entrance guard, real-name authentication, security inspection and the like.

The chinese patent with application number 201821325237.7 discloses an entrance guard system, which integrates the functions of an entrance guard device and a face acquisition device through an upper computer system, realizes double-insurance unlocking of the entrance guard by video face recognition and an RFID entrance guard card, and avoids the risk of entrance guard caine loss being duplicated or the entrance guard entering again by an out-of-office worker; however, after the former people are successfully identified, the latter people can follow the former people, so that the aim of preventing follow-up cannot be achieved, and the potential safety hazard still exists.

In addition, in the fast-paced living environment, many people neglect their health problems, on one hand, people rarely check their own physical conditions, on the other hand, they need to make an advance individual appointment to check, which wastes time; and the entrance guard system is combined with the health detection function, so that people can know the health condition of the people more conveniently and rapidly, and diseases are prevented in advance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that plans to solve is, provides an access control system that can safe early warning to prior art not enough.

The utility model provides a technical scheme that technical problem adopted is:

an access control system capable of giving a safety early warning comprises a single chip microcomputer, a power supply module, a human-computer interaction module and an access control module; the single chip microcomputer, the power supply module and the human-computer interaction module are all arranged on the access control module; the single chip microcomputer is respectively in communication connection with the human-computer interaction module and the access control module; the power supply module is respectively and electrically connected with the single chip microcomputer, the access control module and the human-computer interaction module;

the access control module comprises an electric control lock, a motor, a channel, a door and an infrared grating; the infrared grating comprises an infrared grating transmitting end and an infrared grating receiving end, and the infrared grating transmitting end and the infrared grating receiving end are respectively arranged on two sides of the inlet of the channel; a door is arranged at the outlet of the channel, an electric control lock is arranged on one side of the door, a motor is arranged at the top of the door, and an output shaft of the motor is fixedly connected with a rotating shaft of the door; the infrared grating transmitting end and the motor are in one-way communication connection with the single chip microcomputer, and the electric control lock and the infrared grating receiving end are in two-way communication connection with the single chip microcomputer.

Entrance guard's system is still including setting up the health detection module that is close to exit position in the passageway, including rhythm of the heart and blood oxygen detection module and body temperature detection module, rhythm of the heart and blood oxygen detection module and body temperature detection module all are connected with singlechip one-way communication, and rhythm of the heart is connected with power module electricity respectively with blood oxygen detection module and body temperature detection module.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model realizes the purpose of preventing following by detecting whether a person tracks the infrared grating; the situation that after the face of a user in front of the common face recognition entrance guard is successfully recognized, the following people enter the entrance guard in a trailing mode is avoided, and the safety performance of the entrance guard is enhanced.

2) The utility model discloses an entrance guard's module is last to be provided with the health detection module, and the user can carry out rhythm of the heart and blood oxygen detection, body temperature detection according to the demand, and the result of detection can in time be given back to the user through the display screen, and then lets the user more convenient, know the health status of oneself fast.

3) The access control system is particularly suitable for occasions where people flow relatively fixedly, such as office buildings, residential buildings and the like, and a user can regularly carry out health detection, monitor the health condition of the user and prevent diseases in advance.

4) The utility model discloses a solar photovoltaic generator converts solar energy into the electric energy storage in the battery, for each consumer power supply, make full use of natural resources reaches energy-conserving purpose, has practiced thrift use cost.

Drawings

Fig. 1 is a schematic view of an overall structure of an angle of the door control module of the present invention;

fig. 2 is a schematic view of the overall structure of another angle of the door control module of the present invention;

FIG. 3 is a control schematic diagram of a single chip microcomputer according to the present invention;

FIG. 4 is a flow chart of the present invention;

FIG. 5 is a pin connection diagram of a peripheral circuit connected to the single chip microcomputer according to the present invention;

FIG. 6 is a pin diagram of the single chip microcomputer for connecting with the display screen according to the present invention;

fig. 7 is a pin connection diagram of a USB interface of the single chip computer of the present invention;

fig. 8 is a pin diagram of the display screen of the present invention;

fig. 9 is a pin connection diagram of the single chip computer and the voice module in the present invention;

FIG. 10 is a pin connection diagram of the single chip microcomputer and the camera according to the present invention;

FIG. 11 is a pin connection diagram of the single chip microcomputer and the body temperature detecting module according to the present invention;

FIG. 12 is a connection diagram of the singlechip and the pins of the heart rate and blood oxygen detecting module of the present invention;

fig. 13 is a circuit diagram of the motor driving circuit of the present invention;

in FIGS. 1-2: 1. a single chip microcomputer; 2. a power supply module; 3. a health detection module; 4. a human-computer interaction module; 5. a solar panel; 6. a power supply controller; 7. a storage battery; 8. an infrared grating emission end; 9. an infrared grating receiving end; 10. an electrically controlled lock; 11. a motor; 12. a heart rate and blood oxygen detection module; 13. a body temperature detection module; 14. a display screen; 15. a camera; 16. a voice module; 17. a horn; 18. a channel; 19. and a door.

Detailed Description

Specific embodiments of the present invention are given below. The specific embodiments are only used for further elaboration of the invention, and do not limit the scope of protection of the claims of the present application.

The utility model provides an entrance guard system (for short, see fig. 1-13) capable of safety early warning, which comprises a singlechip 1, a power module 2, a health detection module 3, a human-computer interaction module 4 and an entrance guard module; the single chip microcomputer 1, the power supply module 2, the health detection module 3 and the human-computer interaction module 4 are all arranged on the access control module, the health detection module 3 is positioned at a position, close to an outlet, of a channel of the access control module, and the human-computer interaction module 4 is positioned on the inner side of a door of the access control module; the single chip microcomputer 1 is respectively in communication connection with the health detection module 3, the human-computer interaction module 4 and the access control module; the power supply module 2 is respectively and electrically connected with the singlechip 1, the access control module, the health detection module 3 and the human-computer interaction module 4;

the entrance guard module comprises an electric control lock 10, a motor 11, a channel 18, a door 19 and an infrared grating; the infrared grating is arranged at the entrance of the channel 18, and the infrared grating transmitting end 8 and the infrared grating receiving end 9 are positioned at two sides of the entrance of the channel 18; a door 19 is arranged at the outlet of the channel 18, one side of the door 19 is provided with an electric control lock 10, and the other side is provided with a rotating shaft hinged with the channel 18; the motor 11 is arranged at the top of the door 19, an output shaft of the motor 11 is fixedly connected with a rotating shaft of the door 19, and the motor 11 drives the door 19 to rotate; the single chip microcomputer 1 is arranged on the channel 18, the infrared grating transmitting end 8 and the motor 11 are in one-way communication connection with the single chip microcomputer 1, the electric control lock 10 and the infrared grating receiving end 9 are in two-way communication connection with the single chip microcomputer 1, the single chip microcomputer 1 controls the electric control lock 10 and the infrared grating receiving end 9 to work, the electric control lock 10 feeds back the closing state of the door 19 to the single chip microcomputer 1, and the infrared grating receiving end 9 feeds back the on-off state of the infrared grating to the single chip microcomputer 1;

the health detection module 3 comprises a heart rate and blood oxygen detection module 12 and a body temperature detection module 13 which are both arranged in the channel 18 at a position close to the outlet and in an area which can be touched by hands; when the device is used, one finger of a person is pressed on the detection area of the heart rate and blood oxygen detection module 12, the measurement can be completed after 5S, and then the finger is pressed on the detection area of the body temperature detection module 13, and the measurement is completed after 3S; the heart rate and blood oxygen detection module 12 and the body temperature detection module 13 are in one-way communication connection with the single-chip microcomputer 1, the heart rate and blood oxygen detection module 12 and the body temperature detection module 13 respectively transmit detected data information to the single-chip microcomputer 1 for processing, and the single-chip microcomputer 1 sends the processed data information to a display screen 14 of the man-machine interaction module 4 for displaying; the model of the heart rate and blood oxygen detection module 12 is MAX 30102; the model of the body temperature detection module 13 is MLX 90614;

the human-computer interaction module 4 is arranged on the inner side of the door 19 and comprises a display screen 14, a camera 15, a voice module 16 and a loudspeaker 17; the camera 15 is in one-way communication connection with the single chip microcomputer 1, the display screen 14 is in two-way communication connection with the single chip microcomputer 1, the camera 15 transmits the collected face images to the single chip microcomputer 1, the single chip microcomputer 1 processes and compares the face images with face images in a face image database of all registered persons stored in the single chip microcomputer 1 in advance, and the comparison result is sent to the display screen 14 to be displayed; the voice module 16 is connected with the singlechip 1 in a one-way mode; the voice module 16 is unidirectionally connected with the loudspeaker 17, and voice information which prompts a user to operate by the voice module 16 is released out through the loudspeaker 17 to guide the user to complete related operations;

the power supply module 2 adopts a solar photovoltaic generator integrating solar power generation and electric energy storage, and comprises a power supply controller 6, a storage battery 7 and a plurality of solar panels 5, wherein the power supply controller 6 and the storage battery 7 are both arranged on a channel 18, and the plurality of solar panels 5 are all arranged at the positions irradiated by solar light energy at the top of the channel 18; the power supply controller 6 is respectively connected with an external power supply and the plurality of solar panels 5 in a unidirectional mode, and the power supply controller 6 is connected with the storage battery 7 in a unidirectional mode; when the electric quantity stored in the storage battery 7 is enough to maintain the normal operation of the system, the storage battery 7 is used for supplying power; if the system can not be maintained to work normally, the system is powered by an external power supply; the model of the solar photovoltaic generator is XDK-JY.

The display screen 14 adopts a capacitive touch display screen, and displays the result of human face image comparison of the singlechip 1 and the data of heart rate, blood oxygen and body temperature detected by the health detection module 3 in real time; the model of the camera 15 is 200 ten thousand high definition OV2710, and the model of the voice module 16 is JQ 8900-16P.

The model of the electric control lock 10 is KT-L60.

The type of the infrared grating is QPZ-40-04J, when the infrared grating infrared detector is used, a plurality of infrared rays are arranged between the infrared grating transmitting end 8 and the infrared grating receiving end 9, and a user enters the channel 18 after passing through the infrared grating; in the process that a user enters the channel 18 to open the door 19, the number of people entering the channel 18 is determined by the number i of times that the infrared ray of the infrared grating is cut off, if i is 1, the loudspeaker 17 sends out a voice prompt for carrying out next face recognition, and the user finishes related operations according to the prompts of the display screen 14 and the loudspeaker 17; if i is greater than 1, the system sends out an early warning prompt, the person who enters the channel 18 exits the channel 18 after voice prompt through the loudspeaker 17, the number of times that the infrared ray of the infrared grating is cut off again in the process of exiting the channel 18 is i ', if i-i' is 1, the system indicates that only one person exists in the channel 18, at this time, the system does not send out the early warning prompt any more, and the loudspeaker 17 sends out a voice prompt capable of carrying out next-step face recognition; otherwise, the system sends out the early warning prompt again, and the steps are repeated until only one person in the channel 18 can pass through the entrance guard smoothly, so that follow-up is prevented, and the safety performance of the entrance guard is improved;

when only one person enters the channel 18, the number of times of cutting off the infrared rays of the infrared grating is 1, and the system detects the environmental safety, the loudspeaker 17 sends out a voice prompt of the system safety and informs a user of the voice prompt of next step face recognition, and the user completes subsequent related operations according to the prompts of the display screen 14 and the loudspeaker 17; when two persons enter the passage 18 in tandem and the door is opened, the infrared ray of the infrared grating is cut off for 2 times, and the system detects that the environment is unsafe, the loudspeaker 17 sends out a voice prompt that the system is unsafe to remind the person who enters the passage 18; in the process that the subsequent entrant exits the channel 18, the infrared ray of the infrared grating is cut off for 1 time, the system detects the environmental security again, the loudspeaker 17 sends out the voice prompt of the system security and informs the user of the voice prompt of the next step of face recognition, and the user finishes the subsequent related operation according to the prompts of the display screen 14 and the loudspeaker 17; if the infrared ray of the infrared grating is not cut off in the process that the later entrant exits the channel 18, the later entrant does not exit the channel 18, and the system detects that the environment is unsafe, the loudspeaker 17 always sends out a voice prompt that the system is unsafe to remind the later entrant to exit the channel 18, and the system does not send out an early warning prompt until the later entrant exits the channel 18.

The channel 18 is made of transparent aluminum-silicon glass, the width of the channel 18 is less than or equal to 60cm, the length of the channel is 1-1.5m, only one person can pass through each time, and the purpose of follow-up prevention is achieved; when in use, the outlet end of the channel 18 can be embedded in a wall body or an existing door; a plurality of access control systems can be simultaneously installed according to actual requirements, so that congestion in a stream peak period is avoided;

the single chip microcomputer 1 consists of an STM32F103RCT6 chip and a peripheral circuit thereof (see FIG. 5), a TFT _ LCD interface is arranged in the single chip microcomputer 1 and can be directly connected to a display screen 14, the pins are connected to pins 40-37, 7, 26-28, 55-59, 61, 62, 29, 30, 33-36, 51, 10, 11, 9, 2 and 8 of the single chip microcomputer 1 and are respectively connected to TFT _ LCD interface pins LCD _ CS, RS, WR \ CLK, RD, RST, DB1-DB17, BL, MISO, MOSI, T _ PEN, T _ CS and CLK (see FIG. 6); the singlechip 1 is internally provided with a USB interface and can be directly connected with a USB line of the power controller 6 to supply power to the singlechip 1; the USB interface pins D +, D-, GND and VCC of the single chip microcomputer 1 are respectively connected with the pins PA12, PA11, GND and VCC of the single chip microcomputer 1 (see FIG. 7); pins PA10 and PA9 of the singlechip 1 are respectively connected with an infrared grating transmitting end 8 and an infrared grating receiving end 9; pins PA2 and PA3 of the singlechip 1 are respectively connected with the electric control lock 10.

FIG. 8 is a pin diagram of the display 14, in which pins 1-34 of the display 14 are connected to built-in TFT _ LCD interface pins LCD _ CS, RS, WR \ CLK, RD, RST, DB1-DB17, GND, BL, VDD3.3, GND, BL _ VDD, MISO, MOSI, T _ PEN, MO, T _ CS, and CLK of the single chip microcomputer 1, respectively; fig. 9 is a pin connection diagram of the voice module 16, pins 3, 4, 15-9 of the voice module 16 are respectively connected to pins TXD, RXD, PA0-PA6 of the single chip microcomputer 1, and pins 7, 8 of the voice module 16 are connected to the speaker 17; fig. 10 is a pin connection diagram of the camera 15, and pins 3, 4, 5, and 8 to 16 of the camera 15 are respectively connected to pins PB10, PB11, PB5, PC0, PC2, PC1, PC4, PC3, PC6, PC5, PC7, and PB15 of the single chip microcomputer 1.

Fig. 11 is a pin connection diagram of the body temperature detection module 13, and pins SCL, PWM \ SDA, Vdd, and VSS of the body temperature detection module 13 are respectively connected to pins PC12, PC11, GND, and V3.3 of the single chip microcomputer 1; fig. 12 is a pin connection diagram of the heart rate and blood oxygen detection module 12, pins 1-4 of the heart rate and blood oxygen detection module 12 are respectively connected to pins GND, UART _ TX, UART _ RX, VCC of the single chip microcomputer 1, pin 4 of the heart rate and blood oxygen detection module 12 is connected to VCC, then connected to diode D2, and finally connected to capacitor grounds of C18 and C17, which are respectively 10uF and 0.1uF, and pins 3 and 2 of the heart rate and blood oxygen detection module 12 are respectively connected to capacitors R3 and R4, and then connected to input and output.

Fig. 13 is a motor driving circuit diagram, IN which the enable terminals ENA and ENB of the motor driving circuit are active at a high level, and the motor 11 is PWM-controlled by setting IN1 and IN 2; pins IN1, IN2 and ENA of the motor driving circuit are respectively connected with a Port1, a Port2 and A PWM of the singlechip 1, and pins OUT1 and OUT2 of the motor driving circuit are respectively connected with the motor 11; a pin 9 of the motor driving circuit is connected with +5v and then connected with capacitors C16 and C15 which are 0.1uF and 100pF respectively in parallel and then grounded, and a pin 4 of the motor driving circuit is connected with capacitors C13 and C14 in parallel and then grounded; the singlechip 1 controls the motor 11 to work through the motor driving circuit.

The utility model discloses a theory of operation and work flow are:

a user enters the channel 18 after passing through the infrared grating, if the number of people entering the channel 18 is more than one, the system gives out early warning to prompt the user to exit the channel until the system does not give out early warning signals any more; the user walks in front of the door 20 and selects whether to carry out health detection through the display screen 14; if the selection is not, acquiring a face image through the camera 15 and transmitting the face image to the single chip microcomputer 1, comparing the face image acquired by the camera 15 with the face image in the database by the single chip microcomputer 1, and if the comparison is successful, controlling the electric control lock 10 and the motor 11 to work by the single chip microcomputer 1, so that the door 19 is opened, and a user can smoothly pass through the entrance guard; if the comparison fails, the door 19 is not opened, and the user can not pass through the door control; if the selection is yes, the user can measure the heart rate and the blood oxygen through the heart rate and blood oxygen detection module 12 according to the voice prompt and transmit the measured data to the single chip microcomputer 1, the body temperature of the user is measured through the body temperature detection module 13 and the data is transmitted to the single chip microcomputer 1, and the single chip microcomputer 1 transmits data information to the display screen 14 after analysis and processing; a user checks data through the display screen 14, meanwhile, the camera 15 collects a face image and transmits the face image to the single chip microcomputer 1, the single chip microcomputer 1 compares the face image collected by the camera 15 with the face image in the database, and if the comparison is successful, the single chip microcomputer 1 controls the electric control lock 10 and the motor 11 to work, so that the door 19 is opened, and the user can smoothly pass through the entrance guard; if the comparison fails, the door 19 is not opened, and the user cannot pass through the door control.

The utility model discloses the nothing is mentioned the part and is applicable to prior art.

Claims

1. An access control system capable of giving a safety early warning comprises a single chip microcomputer, a power supply module, a human-computer interaction module and an access control module; the single chip microcomputer, the power supply module and the human-computer interaction module are all arranged on the access control module; the single chip microcomputer is respectively in communication connection with the human-computer interaction module and the access control module; the power supply module is respectively and electrically connected with the single chip microcomputer, the access control module and the human-computer interaction module; it is characterized in that the preparation method is characterized in that,

2. The access control system of claim 1, further comprising a health detection module disposed in the channel and near the exit position, the health detection module comprises a heart rate and blood oxygen detection module and a body temperature detection module, the heart rate and blood oxygen detection module and the body temperature detection module are all connected with the single chip microcomputer in a one-way communication manner, and the heart rate and blood oxygen detection module and the body temperature detection module are respectively electrically connected with the power module.

3. The access control system of claim 1, wherein the human-computer interaction module is disposed on an inner side of the door and comprises a display screen, a camera, a voice module and a speaker; the camera and the voice module are connected with the single-chip microcomputer in a one-way communication mode, the display screen is connected with the single-chip microcomputer in a two-way communication mode, and the voice module is connected with the loudspeaker in a one-way mode.

4. The access control system of claim 1, wherein the power module is mounted on the passageway and comprises a power controller, a battery, and a plurality of solar panels; the power supply controller is respectively connected with the external power supply and the solar panels in a one-way mode, and the power supply controller is connected with the storage battery in a one-way mode.

5. The access control system of claim 1, wherein the passageway has a width of less than or equal to 60cm and a length of 1-1.5 m.

6. The access control system of claim 2, wherein the heart rate and blood oxygen detection module is of a type MAX30102, and the body temperature detection module is of a type MLX 90614.

7. The door access control system of claim 1, wherein the echelette is model number QPZ-40-04J.

8. The access control system of claim 1, wherein the single chip microcomputer is an STM32F103RCT6 chip.