CN204406517U - A kind of programmable electron key - Google Patents

Abstract

The utility model provides a programmable electronic key, which includes a key body, a lock body and a programming converter. The lock body can be connected to its contacts to supply power and communicate with the key body to read the key number. The key body or the lock body can be connected with a programming converter that can read or modify the information stored in it and can supply power to it. The lock body of the utility model is very simple in installation, no wiring is required, and the application range is wide, which improves the versatility of the key body; No. can be changed.

Description

A programmable electronic key

technical field

The utility model relates to a programmable electronic key.

Background technique

With the development of electronic technology, people's lives are changing with each passing day, which also promotes the rapid development and innovation of the lock industry. Lock products have changed from traditional, low-end, mechanical padlocks, door locks, and drawer locks to advanced, High-end, automated, electronic, intelligent, locks with high-tech elements are developed. Traditional lock products use one key and one lock to open the door. People often carry a bunch of keys with them, which brings great benefits to people's daily life. Great inconvenience, convenient, quick and safe way to open the door is gradually recognized by everyone.

There is an electronic lock that can be unlocked by a mechanical key and an ID card. The unlocking operation is shown in Figure 1. One way to open the door is to use the mechanical key to directly open the lock, and the other way to open the door is to use the ID card to lock the lock. The electronic circuit communicates to open the lock. The above scheme has the following disadvantages:

1. The key is completely composed of a mechanical structure, which is easy to be copied, and each door lock needs to be equipped with a mechanical lock, which is costly and troublesome to find when opening the door.

2. The lock needs power supply, so the installation and use are more complicated.

3. If the key and ID card are lost and picked up, other users may open the door. At this time, there is a possibility of replacing the lock.

4. Each key/ID card cannot be unlocked in time, and users cannot be flexibly controlled.

Contents of the invention

The utility model provides a programmable electronic key which is safe, reliable, convenient to use and strong in versatility.

The technical scheme that the utility model adopts is:

A programmable electronic key is characterized in that: it includes a key body, a lock body, and a programming converter, and the lock body can be connected to the key body for power supply and communication connection to read the key number after being connected to its contacts, The key body or the lock body can be connected with a programming converter that reads or modifies the information stored in it and can supply power to it. The lock body of the utility model itself does not have a power supply, and its power supply is provided by the key body after contacting with the key body or by the programming converter after being connected with the programming converter, so that the lock body is very simple to install , without wiring, a wide range of applications. The lock body of the utility model completes the reading of the key number of the key body by communicating with the key body. After the key number is correct, the electromagnetic switch is powered on to allow unlocking, and the key body can open the lock body; the programming converter and the key body are completed. After communication, it can read the key unlocking location, valid time, key/fingerprint authorization function of the key body, and set the access authority of the key body through the programming converter. The same key body can be used on different lock bodies, which improves the The versatility of the key body; after the communication with the lock body is completed, the key number record query of the lock body can be read, and the valid key number can be programmed. When the key body is lost, there is no need to replace the lock body. The effective key number in the body can be changed.

Further, the key body has a built-in first integrated chip, and the first integrated chip is connected with the first keyboard, the first fingerprint head for obtaining fingerprints, the first RFID coil for communication connection with the lock body, and the first RFID coil for power supply. A battery, and a first USB interface for connecting with a programming converter, the first integrated chip is built with a storage module for saving usage records and authorization information, a clock running module, and a control module. The key body of the utility model mainly completes clock operation, unlocking location record, key valid time, fingerprint authorization, key authorization, and provides power for itself and the lock body. When not connected to the lock body, only the clock in the first integrated chip operates. The module is powered, and the button/fingerprint authorization function is optional, and the unlocking can be directly controlled by the button password during the invalid time. The first integrated chip includes logic control, control of RFID coil output, USB communication, clock operation, and record storage; the first keyboard mainly realizes the input of key values, and when the key value is input, it is transmitted to the first integrated chip; the first fingerprint head mainly realizes The acquisition of the fingerprint image is sent to the first integrated chip after the image is acquired; the first RFID coil completes the output of the key number, and outputs the RFID signal according to whether the authorization information (key/fingerprint) is obtained within the valid time; the first USB The interface realizes the record query of the programmed converter, key valid time setting, fingerprint/key authorization; the first battery supplies power to the key body and the lock body.

Further, the programming converter includes a second integrated chip, and the second integrated chip is connected with a second keyboard, a second fingerprint head for obtaining fingerprints, a second battery for power supply, and an LCD screen for displaying function menus and recording information , and a second USB interface for connecting with the key body or the lock body, the second integrated chip is built with a control module, a temporary storage module for temporarily storing information, and a fingerprint entry module. The programming converter of the utility model mainly completes the inquiry of the unlocking location, the use of the key number, programming of the effective key number of the lock body through the converter, programming of the effective time of the key body and key/fingerprint authorization, and converting the record to a USB flash drive for storage. After the programming converter is connected to the lock body, it supplies power to the lock body, and after connecting to the key body, it supplies power to the key body. The programmer itself is powered on by the correct fingerprint. The second integrated chip includes logic control, information temporary storage, fingerprint entry, and copying of USB flash drive data; the second keyboard mainly realizes the input of key values, and can cooperate with the LCD screen to select corresponding operation functions; the second fingerprint head mainly realizes fingerprint image The acquired image is transmitted to the second integrated chip; the second battery supplies power to the programming converter and the lock body/key body; the second USB interface realizes the record query of the key body, key valid time setting, fingerprint/key authorization ;Inquiry about the record of the lock body, set the valid key number; display the function menu and record display on the LCD screen.

Further, the programming converter also includes a USB interface for copying the query information to a USB, and the USB interface is connected to the second integrated chip. The utility model can copy the inquired records to the USB disk through the USB disk interface.

Further, the lock body has a built-in third integrated chip, and the third integrated chip is connected with the second RFID coil for communicating with the key body and the third USB interface for connecting with the programming converter. The three integrated chips have a built-in storage module, a control module, and an RFID signal reading module for saving usage records and valid key number information. The lock body of the utility model mainly completes reading RFID cards, recording key numbers, saving valid key numbers, and returning lock numbers to the key body. After the key body is connected to the lock body, power on through the mechanical key. The third integrated chip includes logic control, reads RFID signals, records and saves, controls the output electromagnetic switch; the second RFID coil completes the reading of the key number, and when the key number is read, it is sent to the third integrated chip; the third USB interface Realize the record query and effective key number setting of the programmed converter.

The beneficial effects of the utility model:

1. The lock body does not need to be connected to a power supply, so it is easy to install;

2. Since the lock body can be programmed with the key number, the same key body can be flexibly applied to different lock bodies;

3. The use authority of the key body can be set according to time, and the key body can open one or more doors at different times;

4. Because the lock body can freely delete the key number, when the key is lost, the lost key number can be deleted to avoid being opened by others;

5. The key number on the key body can be directly used as a card swiping system;

6. Since the key number is unique, it cannot be copied with the function of deleting the key number of the lock body after it is lost;

7. Strengthen the protection of the programming converter through the fingerprint function to prevent others from stealing the programmer;

8. The key itself has a storage function, which can save the record of opening the door and query which lock was opened when and where.

Description of drawings

Fig. 1 is a schematic diagram of an unlocking method of an existing electronic lock.

Fig. 2 is a schematic structural view of the utility model.

Fig. 3 is the flow chart of unlocking and using of the utility model.

Fig. 4 is a schematic diagram of information query and modification of the utility model.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments, but the utility model is not limited to these specific embodiments. Those skilled in the art should realize that the present invention covers all alternatives, improvements and equivalents that may be included within the scope of the claims.

Referring to Figure 2, a programmable electronic key includes a key body 1, a lock body 3, and a programming converter 2, and the lock body 3 can be connected to its contacts to provide power and communicate with it to read the key number The key body 1 is connected, and the key body 1 or the lock body 3 can be connected with the programming converter 2 that can read or modify the information stored in it and can supply power to it. The lock body 3 of the present utility model itself does not have a power supply, and its power supply is supplied by the key body 1 after contacting the key body 1 or by the programming converter 2 after being connected with the programming converter 2, so that the lock body 3 It is very simple to install, no wiring is required, and it has a wide range of applications. The lock body 3 of the utility model completes the reading of the key number of the key body 1 by communicating with the key body 1. After the key number is correct, the electromagnetic switch is powered on to allow unlocking, and the key body 1 can open the lock body 3; programming conversion After the device 2 completes the communication with the key body 1, it can read the key unlocking location, valid time, key/fingerprint authorization function of the key body 1, and set the access authority of the key body 1 through the programming converter 2. 1 can be used on different lock bodies 3, improving the versatility of key body 1; If it is lost, there is no need to replace the lock body 3, only the effective key number in the lock body 3 needs to be changed through the programming converter 2.

The key body 1 of this embodiment has a built-in first integrated chip 12, and the first integrated chip 12 is connected with a first keyboard 11, a first fingerprint head 13 for obtaining fingerprints, and a first fingerprint head 13 for communicating with the lock body 3. The RFID coil 14, the first battery 15 for power supply, and the first USB interface 16 used to be connected with the programming converter 2, the first integrated chip 12 is equipped with a storage module and a clock running module for storing usage records and authorization information , Control module. The key body 1 of the utility model mainly completes clock operation, unlocking location record, key valid time, fingerprint authorization, key authorization, and provides power to itself and the lock body 3, and only provides power to the first integrated chip 12 when not connected to the lock body. The clock running module is powered, and the button/fingerprint authorization function is optional, and the unlocking can be directly controlled by the button password during the invalid time. The first integrated chip 12 includes logic control, control RFID coil output, USB communication, clock operation, record preservation; The head 13 mainly realizes the acquisition of the fingerprint image, and when the image is acquired, it is transmitted to the first integrated chip 12; the first RFID coil 14 completes the output of the key number, and outputs according to whether it is within the valid time and whether the authorization information (key/fingerprint) is obtained RFID signal; the first USB interface 16 realizes the record query of the programmed converter 2, key valid time setting, fingerprint/key authorization; the first battery 15 supplies power to the key body 1 and the lock body 3.

The programming converter 2 described in this embodiment includes a second integrated chip 21, which is connected with a second keyboard 26, a second fingerprint head 22 for obtaining fingerprints, a second battery 25 for power supply, and a display function. The liquid crystal screen 23 of menu and record information, and the second USB interface 24 that is used to be connected with key body 1 or lock body 3, described second integrated chip 21 is built-in control module, temporary storage module of temporary storage information, fingerprint entry module. The programming converter 2 of the utility model mainly completes the inquiry of the unlocking location, the use of the key number, programming of the effective key number of the lock body through the converter, programming of the effective time of the key body and key/fingerprint authorization, and converting the record to a USB flash drive for storage. After the programming converter 2 is connected to the lock body 3, it supplies power to the lock body 3, and after connecting to the key body 1, it supplies power to the key body 1. The programmer itself is powered on by the correct fingerprint. The second integrated chip 21 includes logical control, temporary storage of information, entry of fingerprints, copying of USB flash drive data; the second keyboard 26 mainly realizes the input of key values, and can cooperate with the LCD screen 23 to display and select corresponding operation functions; the second fingerprint head 22 Mainly realize the acquisition of the fingerprint image, and the acquired image is transmitted to the second integrated chip 21; the second battery 25 supplies power to the programming converter 2, the lock body 3/key body 1; the second USB interface 242 realizes the recording of the key body 1 Query, key valid time setting, fingerprint/key authorization; record query of lock body 3, valid key number setting; LCD screen 23 display function menu, record display.

The programming converter 2 in this embodiment also includes a USB interface 27 for copying the query information to a USB, and the USB interface 27 is connected to the second integrated chip 21 . The utility model can copy the inquired records to the USB disk through the USB disk interface 27 .

The lock body 3 described in this embodiment has a built-in third integrated chip 31, and the second RFID coil 32 for communicating with the key body 1 and the second RFID coil 32 for connecting to the programming converter 2 are connected to the third integrated chip 31. Three USB interfaces 33, the third integrated chip 31 is built with a storage module for saving usage records and valid key number information, a control module, and an RFID signal reading module. The lock body 3 of the present utility model mainly completes the reading of the RFID card, the recording of the key number, the preservation of the effective key number, and the return of the lock number to the key body 1 . After the key body 1 is connected to the lock body 3, power is turned on through the mechanical key. The 3rd integrated chip 31 comprises logic control, reads RFID signal, record preservation, control output electromagnetic switch; The three USB interfaces 33 realize the record query of the programmed converter 2 and the effective key number setting.

In the utility model, when the key body 1 is connected to the lock body 3, the key body 1 and the lock body 3 are powered on at the same time, and the lock body 3 reads the key number of the key body 1 and then powers on the electromagnetic switch to allow unlocking. The mechanical key opens the door lock, as shown in Figure 3, the specific implementation process is as follows:

1. Read whether to use password/fingerprint. If you do not use the password/fingerprint to directly enter and read the current time link, such as using the password/fingerprint to verify whether the password/fingerprint is correct;

2. Password/fingerprint verification. If the password/fingerprint is incorrect, it is forbidden to output the RFID signal. If the password/fingerprint is correct, the RFID signal is output, and a usage record is saved according to whether the RFID signal is received correctly returned by the lock body 3;

3. Read the current time, and read the current time through the clock operation module;

4. Whether it is within the valid time. If the output of the RFID signal is not prohibited within the valid time, if the RFID signal is output within the valid time, and according to whether the RFID signal returned by the lock body 3 is correctly received, the use record is saved;

5. Description of the output RFID signal: when the RFID signal is input, the lock body 3 can read the signal, otherwise it cannot be read.

The utility model programming converter 2 records query and parameter setting of the key body 1 and the lock body 3, as shown in Figure 4, and its specific operation process is as follows:

A． The USB interface is docked, and when the second USB interface 24 is connected with the key body 1/lock body 3, it can provide power to the integrated chip of the key body 1/lock body 3. If the key body 1/lock body 3 is not connected and the corresponding operation type is selected, the LCD screen 23 will display that the device is not connected;

B. Select the type of operation, if the selected type is wrong, the LCD screen 23 will display that the device is incorrect;

C. After selecting key body 1, you can continue to choose to query key information, key password/fingerprint authorization;

D. Query the key usage information. After selecting this function, the used record will be read from the key body 1 and displayed on the LCD screen 23;

E. Set the button password/fingerprint. After selecting this function, you can enter a set of passwords, and then press OK to automatically write the password into the key body 1, or directly enter the fingerprints twice. If the fingerprints are the same, the fingerprints will be automatically saved in the key. Ontology 1;

F. After selecting the lock body 3, you can continue to choose to query the lock body 3 information and set the valid key number;

G. Query the operation information of the lock body 3. After selecting this function, the operated record will be read from the lock body 3 and displayed on the LCD screen 23;

H. Set the effective key number, which is the matching number with the key body 1, and the corresponding key number can also be deleted, and it will be automatically saved in the lock body 3 after the setting is completed;

F. U disk data copy: After selecting this function, the recorded information of the key body 1 or lock body 3 will be saved to the U disk, which is convenient for the user to view the information on the computer.

Claims (5)

1. A programmable electronic key, characterized in that: comprise a key body, a lock body, a programming converter, the lock body can be connected with its contacts to provide power and communicate with the key body after the key number is read Connection, the key body or the lock body can be connected with a programming converter that reads or modifies the information stored in it and can supply power to it. 2. A programmable electronic key according to claim 1, characterized in that: the key body has a built-in first integrated chip, and the first integrated chip is connected with a first keyboard and a first fingerprint acquisition chip. The fingerprint head, the first RFID coil that communicates with the lock body, the first battery for power supply, and the first USB interface used to connect with the programming converter, the first integrated chip is built-in to save usage records and authorization information storage module, clock operation module and control module. 3. A kind of programmable electronic key as claimed in claim 1, characterized in that: said programming converter comprises a second integrated chip, said second integrated chip is connected with a second keyboard, a second key for fingerprint acquisition, A fingerprint head, a second battery for power supply, a liquid crystal screen for displaying function menus and recording information, and a second USB interface for connecting with the key body or lock body. The second integrated chip has a built-in control module, temporary information Temporary storage module and fingerprint entry module. 4. A kind of programmable electronic key as claimed in claim 3, it is characterized in that: described programming converter also comprises the USB interface that its inquired information is copied on the USB, and the USB interface is connected with the second integrated chip connect. 5. A programmable electronic key according to any one of claims 1 to 4, characterized in that: a third integrated chip is built in the lock body, and the third integrated chip is connected to a key body for communication with the key body. The connected second RFID coil, the third USB interface used to connect with the programming converter, the third integrated chip is built-in a storage module for saving usage records and valid key number information, a control module, and an RFID signal reading module.