CN207440967U

CN207440967U - A kind of anti-error anti-lock device in bedroom

Info

Publication number: CN207440967U
Application number: CN201720325835.3U
Authority: CN
Inventors: 张娟
Original assignee: Anhui Normal University
Current assignee: Anhui Normal University
Priority date: 2017-03-30
Filing date: 2017-03-30
Publication date: 2018-06-01
Anticipated expiration: 2027-03-30

Abstract

The utility model discloses a kind of anti-error anti-lock devices in bedroom, it is characterised in that：The anti-error anti-lock device passes to control module after including the personal information in sensing module acquisition bedroom, and control module judges that indoor someone is by wireless communication module display module and sound module to be controlled to alarm.Due to the above structure, the utility model may miss for bedroom room-mate locking situation in doors, and this patent realizes the indoor personnel's situation of real-time display when locking a door, so as to improve such case, improves bedroom security.

Description

A kind of anti-error anti-lock device in bedroom

Technical field

The utility model is related to the technological improvement of entrance guard device, more particularly to a kind of anti-error anti-lock device in bedroom.

Background technology

University's lodging situations numerous at present are mostly that more people share a bedroom, thus also generate many inconvenience, example The door in bedroom has been locked by mistake without knowing that bedroom still someone sleeps in toilet or in bed when going out if any student, Cause there is room-mate to be locked in dormitory, cause very big security risk.

In view of the above-mentioned problems, setting a kind of new anti-error anti-lock device for student dormitory, locked to avoid by room-mate Happening within doors.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of anti-error anti-lock device in bedroom, to avoid by room-mate Lock happening in doors.

In order to achieve the above objectives, the technical solution of the utility model is that a kind of anti-error anti-lock device in bedroom, feature exists In：The anti-error anti-lock device passes to control module, control module after including the personal information in sensing module acquisition bedroom It is by wireless communication module display module and sound module to be controlled to alarm to judge indoor someone.

The control module is controlled using AT89C51 chips.

The sensing module uses HC-SR501 sensors.

The wireless communication module is completed using NRF24L01 radio transmitting and receiving chips.

The main control chip of the display module uses LCD12864.

The sound module uses ISD4004 speech chips.

A kind of anti-error anti-lock device in bedroom, due to the above structure, the utility model may be missed for bedroom by room Friend locks situation in doors, and this patent realizes the indoor personnel's situation of real-time display when locking a door, so as to improve this feelings Condition improves bedroom security.

Description of the drawings

The utility model is described in further detail with reference to the accompanying drawings and detailed description；

Fig. 1 is a kind of structure diagram of the anti-error anti-lock device in bedroom of the utility model；

Fig. 2 is the circuit diagram of control module in a kind of anti-error anti-lock device in bedroom of the utility model；

In Fig. 1,1, sensing module；2nd, control module；3rd, wireless communication module；4th, display module；5th, sound module.

Specific embodiment

As shown in Figure 1, the utility model includes passing to control module 2 after sensing module 1 gathers the personal information in bedroom, Control module 2 judges that indoor someone is by wireless communication module 3 display module 4 and sound module 5 to be controlled to alarm.

The utility model by sensing module 1 detect it is indoor whether someone, then information is passed by wireless communication module 3 To the display module 4 on bedroom doorway and sound module 5, so as to show it is indoor whether someone or nobody, sound module cooperation display Module uses.Thus prevent from locking a door mistiming by room-mate's lock in door.

As shown in Fig. 2, control module 2 is controlled using AT89C51 chips, AT89C51 is a kind of band 4K bytes The low-voltage of FLASH memory, high-performance CMOS 8-bit microprocessor, are commonly called as microcontroller.AT89C51 has 40 pins, wherein Can input/output port be P0, P1, P2, P3 mouthfuls, each 8 pins of mouth, for the signal input and output of system.Ensure chip just Often work is, it is necessary to a minimum system for realizing its basic function, as shown in Figure 2.The minimum system of control module 2 includes list Piece machine, reset circuit and crystal oscillating circuit.Microcontroller is control core, is equivalent to the brain reset circuit of device.Reset circuit by Capacitance series resistance is formed, by scheming and with reference to the property of " capacitance voltage cannot be mutated ", it can be appreciated that when system energization It waits, RST feet are present with high level, and, this high level duration determines that .AT89C51 works as by R the and C values of circuit The high level of RST feet, which continues two, more than the machine cycle will just reset, so, the value of appropriately combined R and C ensure that reliably Reset.C takes the height electricity that 10uF, R take 10K Ω to allow RC combinations that can generate no less than 2 machine cycles on RESET feet It is flat.Crystal oscillating circuit:Crystal oscillator takes 11.0592MHz or 12MHz.Because if take 11.0592MHz that can accurately obtain 9600 Baud rate or 19200 baud rates, convenient for serial communication；If the clock cycle that 12MHz is taken to generate accurate uS grades facilitates timing The operation of device or counter.

Sensing module 1 for monitor it is indoor whether presence of people, be equivalent to the eyes of whole device, infrared signal converted It is passed back for electric signal.Using HC-SR501 sensors, it is made of plain edition human body infrared induction module.Full-automatic sensing：When having Into its induction range, then input high level, people leave induction range then automatic time delay closing high level, export low level people.It will Signal wire is connected to the P1^0 mouths of microcontroller, electric signal is passed to control centre, so as to make control action.Therefore, it is in bedroom No someone can be learnt by sensing module, if indoor larger or partition is more, so that it may by the number for increasing HC-SR501 Reach the covering of gamut, so as to monitoring the personnel status in bedroom in real time.

Wireless communication module 3 be used for data wireless transmission, using NRF24L01 radio transmitting and receiving chips complete, transmitting-receiving away from From the distance range that 15 meters, can fully meet bedroom, NRF24L01 transmitting terminals send the data of 2 bytes, and NRF24L01 connects Receiving end is received to give after correct data and prompted.The data received are transmitted to display module to be checked.Transmitting terminal is every A data were sent every about 1.5 seconds, are ceaselessly cycled always.

Display module 4 uses LCD12864.Display module is placed in bedroom doorway, the position that can be looked at straight when locking a door, when It when NRF24L01 receiving terminals receive data, is indicated on LCD864, there are two types of display situations, Yi Zhongshi：" bedroom someone, It please don't lock a door！”；Another kind be " bedroom nobody, can lock a door.”.So as to may prompt as to whether that someone prevents in the bedroom when locking a door False-lock.

Sound module 5 uses ISD4004 speech chips, and cooperation display module uses, be free to be turned on and off, It can be with voice reminder during false-lock.

The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implement and from The limitation of aforesaid way, as long as employing the various improvement of technical solutions of the utility model progress or not improved direct application In other occasions, within the scope of protection of the utility model.

Claims

1. a kind of anti-error anti-lock device in bedroom, it is characterised in that：The anti-error anti-lock device includes sensing module (1) acquisition and gets into bed Control module (2) is passed to after the personal information of room, control module (2) judges that indoor someone is by wireless communication module (3) Control display module (4) and sound module (5) are alarmed；

Wherein control module (2) is controlled using AT89C51 chips；Sensing module (1) uses HC-SR501 sensors；Wirelessly Communication module (3) is completed using NRF24L01 radio transmitting and receiving chips；The main control chip of display module (4) uses LCD12864；Sound Sound module (5) uses ISD4004 speech chips.