CN211454685U

CN211454685U - Entrance guard capable of being unlocked by swiping card and password

Info

Publication number: CN211454685U
Application number: CN201922223399.0U
Authority: CN
Inventors: 魏桂兴; 孙平方; 喻允柱; 曹琳; 王刚; 朱胜强
Original assignee: Zhuhai Bcom Electronic Technology Co ltd
Current assignee: Guangdong Boke Electronic Technology Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-08
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a can punch the card, the password entrance guard that unblanks, including entrance guard ' S machine and STC15L2K32S2 singlechip integrated circuit, the top of the positive outer wall of entrance guard ' S machine is provided with pilot lamp and the photo resistance that is in same water flat line respectively, and is provided with the button that is equidistant structure distribution under the entrance guard ' S machine is close to the pilot lamp, the entrance guard is close to the position under the button and is provided with the district of punching the card, and the entrance guard keeps away from positive opposite side outer wall axle center department and has seted up the through-hole. The utility model discloses a large capacity singlechip integrated circuit, the user can add more cards when needing and use, the large capacity has been added, the function of multiple mode of unblanking, different states have corresponding different pilot lamps to instruct, the control center of STC15L2K32S2 singlechip integrated circuit as whole equipment has been adopted, all instructions are allocated by the singlechip, the module of punching the card adopts MF522, it is high to use this kind of integrated circuit security, be difficult for explaiing, give the better experience of user.

Description

Entrance guard capable of being unlocked by swiping card and password

Technical Field

The utility model relates to an entrance guard's equipment technical field especially relates to entrance guard that unblanks can punch the card, password.

Background

The entrance guard machine is the core control equipment of the entrance guard system, uses the high-capacity FLASH as a storage carrier, has reliable data storage, does not lose power-down data, and integrates management and automatic control into a whole. The automatic management of the entrance guard is realized, the data can also be used for attendance checking, the dual functions of entrance guard and attendance checking are realized, and meanwhile, the seamless connection with an all-purpose card system is realized; the intelligent control system is widely applied to access control, attendance management, security alarm, parking lot control, elevator control, building automatic control and the like of intelligent buildings or intelligent communities, and can also have various control functions such as linkage control with other systems.

In the prior art, the unlocking mode of the access control machine is too single, the capacity is smaller, the size is larger, and the use requirements of more extensive users cannot be met. Therefore, it is necessary to design a door lock capable of being unlocked by swiping a card and password to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing the entrance guard which can be unlocked by swiping a card and a password.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

entrance guard that unblanks of punching card, password, including entrance guard 'S machine and STC15L2K32S2 singlechip integrated circuit, the top of the positive outer wall of entrance guard' S machine is provided with pilot lamp and the photo resistance that is in same water flat line respectively, and the entrance guard is provided with the button that is equidistant structure distribution under being close to the pilot lamp, the entrance guard is close to the position under the button and is provided with the district of punching the card, and the entrance guard keeps away from positive opposite side outer wall axle center department and has seted up the through-hole, there is integrated circuit board through the mounting screw on the inner wall that the entrance guard is close to the through-hole, and the entrance guard is close to and is provided with bee calling organ on the one side inner wall at through-hole top, STC15L2K32S2 singlechip integrated circuit includes large capacity storage module, encrypts the card.

Furthermore, the memory of the large-capacity storage module can reach 32K, the number of the stored card numbers can reach 1100, the large-capacity storage module is divided into a first area and a second area, the first area can be used as a public area to store 1000 card number information, the second area is used as a main area, only 10 card number information is provided, and the large-capacity storage module is used by important management personnel.

Further, the encryption card reading module adopts an MF522B chip, and the MF522B chip adopts a 13.56MHz non-contact type communication high-integration read-write card series chip, and is used for verifying MIFARE series products.

Furthermore, the state indicating module adopts different control modes according to different states, when different lamps need to be lightened, the corresponding control pin is pulled down by the single chip, so that the LED lamp has a voltage difference, the corresponding lamp can be lightened, and different lamps can be lightened in different states.

Furthermore, the anti-disassembly functional module mainly comprises a photoresistor and a triode, wherein the photoresistor D11 is in a high-resistance state under the condition of weak illumination, no current flows through the photoresistor from a 5V power supply at the moment, so that the B pole of Q5 has no high level, and the triode is in a cut-off state and is not conducted; at the moment, the TEST _ GM pin does not detect a high level, the alarm processing cannot be operated, the photoresistor D11 is in a low-resistance state, current flows through the D11, the B pole of the triode at the moment has the high level, the triode Q5 is conducted, the TEST _ GM pin has the high level, the single chip microcomputer detects that the level changes, and at the moment, an alarm signal can be sent out, so that the anti-dismantling alarm function is realized.

Furthermore, the code keyboard unlocking function module enables the row line to be a programming input line, and the column line is an output line.

The utility model has the advantages that:

1. the utility model discloses; the security performance is high by adopting the encryption card reading module, and the door access machine cannot be cracked; the door access machine is provided with a plurality of indicator lamps with different states, so that visitors can know the current state clearly; the anti-disassembly alarm function is added, so that the reliability of the product is well improved; by adopting the horizontal and vertical scanning password keyboard, the cost is saved in the principle of design, and the same function can be realized.

2. The utility model discloses entrance guard' S machine has added the function of large capacity, multiple mode of unblanking, and different states have corresponding different pilot lamps to instruct, has adopted STC15L2K32S2 singlechip integrated circuit as the control center of whole equipment, and all instructions are allocated by the singlechip, and the module of punching the card adopts MF522, uses this kind of integrated circuit security high, is difficult for explaiing, gives the better experience of user. The password key module is realized by adopting a transverse and vertical scanning mode which is rare in the market, the cost is saved in the design by adopting the mode, the password keyboard function can be realized without using a touch chip, the photoresistor detection is adopted in the anti-disassembly treatment, when the equipment is forcibly disassembled or illegally disassembled, the alarm sound can be given out, and the safety is higher.

Drawings

Fig. 1 is a schematic structural view of the door lock capable of being opened by swiping a card and password;

fig. 2 is a schematic structural view of the door lock capable of being opened by swiping a card and password;

fig. 3 is a schematic structural view of the door lock capable of being opened by swiping a card and password;

fig. 4 is a schematic structural view of the door lock capable of being opened by swiping a card and password;

fig. 5 is a schematic structural view of the door lock capable of being opened by swiping a card and password;

fig. 6 is a schematic structural view of the door lock capable of being opened by swiping a card and password;

fig. 7 is the structure schematic diagram of the door lock capable of swiping card and unlocking by password provided by the utility model.

In the figure: 1 pilot lamp, 2 photo resistance, 3 buttons, 4 district of punching the card, 5 integrated circuit boards, 6 through-holes, 7 bee calling organ, 8 entrance guard's machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 7, the entrance guard capable of unlocking by swiping a card and password comprises an entrance guard machine 8 and an STC15L2K32S2 single chip microcomputer integrated circuit, wherein the top of the outer wall of the front side of the entrance guard machine 8 is respectively provided with an indicator light 1 and a photoresistor 2 which are positioned on the same horizontal line, keys 3 which are distributed in an equidistant structure are arranged under the door lock 8 which is close to the indicator light 1, a card swiping area 4 is arranged at the position of the door lock 8 which is close to the lower part of the keys 3, a through hole 6 is arranged at the axle center of the outer wall of the other side of the entrance guard machine 8 far away from the front side, an integrated circuit board 5 is arranged on the inner wall of the entrance guard machine 8 close to the through hole 6 through a screw, and a buzzer 7 is arranged on the inner wall of one side of the access control machine 8 close to the top of the through hole 6, and the STC15L2K32S2 single-chip microcomputer integrated circuit comprises a large-capacity storage module, an encryption card reading module, a state indicating module, an anti-disassembly function module and a password keyboard unlocking function module.

Furthermore, the memory of the large-capacity storage module can reach 32K, the number of the storage card numbers can reach 1100, the storage card numbers are divided into a first area and a second area, the first area serves as a public area and can store 1000 card number information, the second area serves as a main area and only has 10 card number information, the card number information is used by important management personnel, the single chip microcomputer and the encryption card reading chip are connected through five communication pins P2.0-P2.4, the pins have the advantages of high communication speed and high time efficiency and the like, real-time card reading and real-time processing of unlocking signals are achieved, and the defects of missing reading and processing are avoided.

Furthermore, the encryption card reading module is applied to a 13.56MHz non-contact type communication high-integration read-write card series chip by adopting MF522B and is used for verifying MIFARE series products, and a modulation-demodulation circuit with high integration is adopted, so that the confidentiality of card reading is ensured, information materials of a user card cannot be randomly leaked, and the advantage is worthy of user affirmation.

Furthermore, the code keyboard unlocking function module enables the row lines to be programming input lines, the row lines are output lines, all the row lines are pulled down, the change of the row lines is judged, if a key is pressed down, the corresponding row lines pressed down by the key are pulled down, otherwise, all the row lines are in a high level; after a key is pressed in the first step, delaying for 10ms to eliminate mechanical jitter, reading the row value again, entering the next step if the row line is still in a low level state, and returning to the first step for re-judgment if the row line is not in the low level state; starting to scan the key position, adopting progressive scanning, respectively pulling down a first column, a second column, a third column and a fourth column at the time interval of 1ms, reading a row value to find the key position no matter which column and other three columns are pulled down to be high level, and respectively storing the row value and the column value in a register; and finding out the row value and the column value from the register and combining the row value and the column value to obtain a key value, coding the key value row by row from the first row to the fourth row, and decoding the coded value from 0000 to 1111 to finally realize the function of a determinant scanning password keyboard.

The working principle is as follows: when this entrance guard that unblanks by swiping card, password uses, in the aspect of large capacity storage module: the STC15L2K32S single-chip microcomputer is adopted, the memory can reach 32K, the number of stored card numbers can reach 1100, the stored card numbers are divided into two areas (a first area and a second area), the first area is used as a public area and can store 1000 card numbers, the requirements of most users are met, the second area is used as a main area and only has 10 card numbers, the card numbers are used by important management personnel, the single-chip microcomputer and an encryption card reading chip are connected through five communication pins P2.0-P2.4, the pins have the advantages of high communication speed and timeliness and the like, the real-time card reading is realized, the real-time processing of unlocking signals is realized, and the defects of missing; MF522B is applied to high-integration read-write card series chips in 13.56MHz non-contact communication, utilizes advanced modulation and demodulation concepts, completely integrates all types of passive non-contact communication modes and protocols under 13.56MHz, supports a rapid CRYPTO1 encryption algorithm, and is used for verifying MIFARE series products; the MFRC522 supports the higher-speed non-contact communication of MIFARE, the bidirectional data transmission rate is up to 424kbit/s, and a modulation-demodulation circuit with high integration level is adopted, so that the confidentiality of card reading is ensured, information data of a user card cannot be leaked at will, and the advantage is worthy of user confirmation; according to different states, software makes different control modes, when different lamps need to be lightened, a single chip can pull down corresponding control pins, so that the LED lamps have voltage difference, the corresponding lamps can be lightened, the different lamps are lightened in different states, the anti-dismounting function module mainly comprises a photoresistor and a triode, when the LED lamps are in a weak light state, the photoresistor D11 is in a high-resistance state, at the moment, no current flows through the photoresistor by a 5V power supply, the B pole of Q5 has no high level, and the triode is in a cut-off state and is not conducted; when the password keyboard is used for unlocking, firstly, a row line is a programmed input line, a column line is an output line, all column lines are pulled down, the change of the row line is judged, if a key is pressed down, the corresponding row line pressed down by the key is pulled down, otherwise, all the row lines are all high levels; step two, after the key is pressed in the step one, delaying for 10ms to eliminate mechanical jitter, reading the row value again, entering the next step if the row line is still in a low level state, and returning to the step one for re-judgment if the row line is not in the low level state; thirdly, scanning the key position, adopting line-by-line scanning, respectively pulling down the first column, the second column, the third column and the fourth column at the interval of 1ms, reading a row value to find the key position no matter which column is pulled down, and respectively storing the row value and the column value in a register; and the fourth part is used for finding out the row values and the column values from the register and combining the row values and the column values to obtain a key value, coding the key value row by row from the first row to the fourth row, and decoding the coded value from 0000 to 1111 to finally realize the function of the determinant scanning password keyboard.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Entrance guard that unblanks can punch card, password, including entrance guard 'S machine (8) and STC15L2K32S2 singlechip integrated circuit, its characterized in that, entrance guard' S machine (8) front outer wall 'S top is provided with pilot lamp (1) and photo resistance (2) that are in same water flat line respectively, and entrance guard' S machine (8) are close to and are provided with button (3) that are equidistance structure distribution under pilot lamp (1), entrance guard 'S machine (8) are close to the position under button (3) and are provided with area of punching card (4), and entrance guard' S machine (8) keep away from positive opposite side outer wall axle center department and seted up through-hole (6), install integrated circuit board (5) through the screw on entrance guard 'S machine (8) the inner wall that is close to through-hole (6), and entrance guard' S machine (8) are close to and are provided with bee calling organ (7) on the one side inner wall at through-hole (6) top, The device comprises an encryption card reading module, a state indicating module, an anti-dismantling functional module and a password keyboard unlocking functional module.

2. The gate inhibition capable of being swiped and unlocked by password according to claim 1 is characterized in that the memory of the large-capacity storage module can reach 32K, the number of the stored card numbers can reach 1100, the stored card numbers are divided into a first area and a second area, the first area is used as a public area and can store 1000 card numbers, the second area is used as a main area, only 10 card numbers are stored, and the gate inhibition is used by important management personnel.

3. The gate inhibition capable of being opened by swiping a card and a password according to claim 1, wherein the encryption card reading module adopts an MF522B chip, and the MF522B chip adopts a series of chips of high-integration read-write cards in 13.56MHz non-contact communication, and is used for verifying MIFARE series products.

4. The entrance guard that unlocks of punching card, password according to claim 1, characterized in that, state indication module has adopted different control mode according to the difference of state, and when different lamps were lighted to needs, the monolithic chance pulled down corresponding control foot position for there is the voltage difference in the LED lamp, and the lamp that corresponds will light, lights different lamps under different states.

5. The gate inhibition capable of being swiped and unlocked by password according to claim 1, wherein the anti-dismantling functional module mainly comprises a photoresistor and a triode, when the gate inhibition is in a weak illumination state, the photoresistor D11 is in a high-resistance state, no current flows through the photoresistor from a 5V power supply, so that a B pole of Q5 has no high level, and the triode is in a cut-off state and is not conducted; at the moment, the TEST _ GM pin does not detect a high level, the alarm processing cannot be operated, the photoresistor D11 is in a low-resistance state, current flows through the D11, the B pole of the triode at the moment has the high level, the triode Q5 is conducted, the TEST _ GM pin has the high level, the single chip microcomputer detects that the level changes, and at the moment, an alarm signal can be sent out, so that the anti-dismantling alarm function is realized.

6. The card swivable and password unlockable door control according to claim 1, wherein the password keyboard unlocking function module enables a row line to be a programmed input line and a column line to be an output line.