DE10056119B4 - Electronically codable lock system - Google Patents

Abstract

electronic Codable lock system consisting of a housing with one by a latch mechanism (16) locked and unlocked Closing member, wherein the locking mechanism (16) by means of an electronic code evaluator (24) when evaluating a valid Codes is unlocked and the code evaluator (24) a first wireless Interface includes, over the data from an external credential (32) with a Code transmitter (34) transferable are characterized in that the code evaluator (24) has a second wireless interface for data communication with an external Access control system or an external database, over which updatable authorization data storable in the code evaluator (24) are and / or about the one validity request the entitlement card (32) transferable and a validity response back-transferable is.

Description

The The invention relates to an electronically codable lock system according to the preamble of claim 1.

network operators the energy supply, water and wastewater supply and the Telecommunications maintain a variety of establishments that over the Supply area are distributed and often without constant presence operated by staff. The operating stations are against unauthorized Access secured. In addition to enclosures with lockable gates are common even more closable Additions, Doors and Windows in buildings available.

So far needed the maintenance and operations staff a variety of keys to Access to the premises to obtain. For safety reasons the locks differ, so that the authorized operating personnel carry a large number of keys must, if different operating sites are visited.

From the DE 92 09 927 U1 is a remote-controlled car or motorcycle lock known. This comprises a U-shaped lock body with a locking device and a U-shaped hook rod which can be fixed or released by the locking device. The locking device itself comprises a spring-loaded latch, which engages in the hook bar and can be lifted by an electromagnet. The solenoid is operable by an electronic device with a receiver via a wireless signal.

From the DE 299 00 766 U1 is a front door with a motorized lock known that locks after closing the door. The lock can be operated by a remote control. In addition, it can be mechanically opened from the inside by a door handle.

The DE 200 12 462 U1 describes a key system with integrated rechargeable battery. For cargo, the key system has interposed contact surfaces.

From the DE 92 15 546 U1 a kit for actuating an electronically controlled lock or lock cylinder is known. It includes a programmable key with a microprocessor that performs a legitimacy check on a code. Further, a timer for setting a real time is provided. A time adjustment can be done by a separate key.

From the DE 297 14 382 U1 is a device for wireless operation of equipment, including locking systems, known. The device comprises a hand-held transmitter and a base station which allow bidirectional communication. Coded information is evaluated mutually.

The DE 93 02 542 U1 describes an infrared lock for motorcycles with one of DE 92 09 927 U1 similar construction. For unlocking is an infrared transmitter, which is inserted into a housing opening of the infrared lock and is supplied via contacts with electrical energy from a built-in infrared lock battery.

From the DE 41 41 382 A1 a wireless comfort phone is known, which also includes a remote control device for door opening as an additional function.

Further deals the article "Balance between safety and security "; in Schloss + Beschlag-markt, February 1997, pages 36 to 39 in general with the design of codewords for authorization checking.

Of the Invention is based on the object, a lock system for the beginning mentioned plants to be created by the maintenance and operational staff respectively a single entitlement card is open and it allows to assign, change or delete the authorizations individually.

These Task is in an electronically coded lock system according to the preamble of claim 1 by the features specified in the characterizing part solved.

further developments and advantageous embodiments will become apparent from the dependent claims.

at the lock system according to the invention is a code of a carried by the maintenance and operating personnel authorization card via a Code transmitter transmitted to the lock system and evaluated by means of a code evaluator, which is valid unlocks a latch mechanism. In addition to a basic code can also a supplementary Code used, the system number, locality, customer number, customer group and hierarchical level.

The code is transmitted to the code evaluator via a first wireless interface, which may be designed as an electromagnetic or optical interface. Through a second wireless interface, the code evaluator can connect establish an external access control system or an external database and check the validity of the authorization card. After validation, a validity response is sent back, which unlocks the locking mechanism if the authorization card is valid or, if the authorization card is invalid, blocks the locking mechanism.

A external database can over a public one or internal telecommunication network can be reached and is much easier and faster to maintain. It is then for one virtually unlimited number of clients, so in this case of electronic lock systems available. In addition, the storage space plays the database just for a variety of different authorization codes a smaller role than if different authorization codes would have to be stored in each lock system and therefor locally required storage space.

alternative can Also in the code evaluator authorization data are stored, which via the second wireless interface to be updated. In this case then take an exam the access authorization internally by the electronic code evaluator held the lock system. This can either be done generally or in case of a disturbed one Connection to external access control system or external Database as temporary Emergency operation for warranty the operational readiness of the lock system.

Of the Advantage of the second wireless interface is that the lock system without galvanic connection to the external access control system or can work independently to the external database, so z. In the Free as curtains closed or also as a built-in lock on buildings without own data lines or power supply lines. Yet is given a high security against manipulation, and it exists about that addition the possibility Reassignments, changes or deletions of permissions without mechanical intervention or exchange of the Lock system perform. This results. a considerable simplification in administration the accesses and the credentials and for the maintenance and operational staff the advantage of having access with a single credential can get to different lock systems.

Preferably the first interface is a transponder interface for the frequency range between 100 kHz and 15 MHz.

This Frequency range allows a data transfer even if no direct view between the encoder and the lock-side receiver the first wireless interface exists. So there is the possibility the lock system without interference the first wireless interface against the weather or To protect vandalism.

alternative For example, the first interface can be designed as an interface for a mobile radio network be.

In In this case it is possible instead of an additional one Authorization card to use a mobile phone as a code transmitter. Thus, the mobile phone usually carried by maintenance and operating personnel additionally to its actual purpose as a communication device as well Code givers are used with credentials, so then an additional one Permission card is dispensable.

Of the Code can correspond to the SIM card number or even separately a memory or over the keyboard, possibly in conjunction with the SIM card number transmitted become.

According to one Continuing, the first interface may additionally include a near field sensor for detecting the transmission of a cellphone serving as a coder include.

at this version will ensure that the code is on the mobile phone only then can be entered effectively when the employee is on site close of the lock system and thus only the immediately adjacent lock system unlocked but not at the same time all lock systems programmed with the same code.

alternative can be provided that the first interface in addition Display for displaying one constantly associated with changing codes, via the keypad of the encoder as a code from the maintenance and operating personnel is.

Also This measure Make sure that only the nearby lock system can be unlocked, whose display is visible, because by the constantly changing code individual lock systems are individualized.

Preferably The second interface includes a receiver or a transceiver for a radio link low power in a permitted frequency range, in particular 433 MHz or 868 MHz, or for a mobile network.

This makes it possible to produce data communication over a short distance to a stationary interface transmitter or transceiver which in turn is then connected via data lines to the external access control system or the external database. Distances of a few tens of meters or, in the case of a mobile radio network, of a few hundred meters to kilometers to the nearest head-end station are possible here on low-power radio links.

By The radio link small power can be several adjacent lock systems communicate with each other and / or with a relay station. One the lock systems or the relay station then takes over the connection to an external access control system or database. For this is then only one common interface required. Because in the practical Operation only one lock system is active, there is none Risk of data collision due to simultaneous transfer request several lock systems.

Further the code evaluator may also include a timer, which may be referred to as Real-time clock, possibly with time of day and additional date or as a counter is trained. additionally may be an entrance exam with a general or temporary authorization linked to the authorization card become.

It is then possible the access of a date, time or count dependent close. This allows an authorization card with unmodified Code nevertheless be used time-selectively. A temporary permission can also duration or frequency of access. It can be awarded internally or externally and also changed or deleted after one or more uses.

The casing The lock system can consist of two parts, one of which first part is made of metal and includes the locking mechanism and a second part made of plastic and an antenna of the code receiver or transmitter and, if applicable, the transceiver or transceiver for one Low-power radio link and / or a mobile network include. This can be the other components arranged wholly or partially in the first or second part of the housing be.

This Construction possible to accommodate particularly safety-relevant parts in the metal housing and so protect against sabotage. On the other hand could the antenna, which to achieve good radiation properties deposed but protected must be attached, in the housing part be arranged from plastic. But there are others less safety-related parts, for example batteries, be arranged to simplify their exchange.

at Arrangement of electrical components in both parts of the housing can do this through Be connected to each other contacts.

Thereby In principle, it is largely optional in which of the two Parts that house electrical and electronic components, unless specified by safety requirements is.

to increase the security of data communication between separable parts of the housing can also internal encryption facilities with authenticity check in both parts of the case be provided.

These Only then do the function of the two parts of the housing, when belonging together Parts are used. An abusive exchange of different Parts of the housing z. B. different lock systems is recognized and one Function prevented. Only with matching parts of the housing will after joining automatically again the functional readiness produced.

Farther is provided that when trained as a padlock a position sensor for the bar or hangers with connected to the code evaluator.

hereby can be detected whether the latch or hanger after closing again in the right position and also whether the lock violently open becomes.

following the invention will be described with reference to an embodiment, which is shown in the drawing.

In show the drawing:

1 a schematic diagram of an electronically coded lock system with a padlock in a first embodiment,

2 a schematic diagram of an electronically coded lock system with a padlock in a second embodiment and

3 a schematic diagram of the integration of an electronically coded lock system in an access control system

The 1 and 2 show different embodiments of an electronically coded lock system with a padlock 10 , The lock comprises a housing which consists of egg a first housing part 12 made of metal and a second housing part 14 made of plastic. In the housing part 12 Metal is a locking mechanism 16 arranged, which has a hanger 18 locks or unlocks.

The locking mechanism 16 includes a drive 20 for operation. This one is in the illustration in 1 formed by an electric drive, for example by a motor, a magnet or a piezoelectric element.

The drive 20 as well as other electronic components is powered by a power supply 22 supplied with electrical energy. The energy supply may be a battery, a rechargeable battery or even an external energy source with or without a buffer element, for example in the form of a capacitor.

The drive 20 is through a code evaluator 24 controlled. This code evaluator 24 can be an internal memory 26 for storing approved codes and a clock 28 or an external access control system or an external database. The code evaluator 24 is further provided with a code transceiver 30 The code to be checked and, if valid, a release enabling code via an authorization card 32 with a code transmitter 34 is supplied.

To transfer the code from the code transmitter 34 to the code transceiver 30 the transmission link can be an electromagnetic, optical, acoustic or galvanic interface. As a electromagnetic interface, a transponder interface or a mobile network is suitable.

The transponder interface can be bidirectional. The mobile radio interface comprises a mobile radio transceiver 38 , Alternatively, a transceiver may be used for a low power radio link, for example in the 433 or 868 MHz range.

to Communication with an external access control system or a external database can also serve the mobile interface or an RF or NF interface with a transceiver. As HF Interface can serve a low power radio link to Example in the 433 or 868 MHz range.

The two transceivers 30 and 38 also include antennas 42 and 44 , These are in the housing part 14 made of plastic.

In addition, an acoustic alarm can be added 46 and a visual display 48 , which can also be designed as a display for numeric or alphanumeric characters, be present. These can serve to acknowledge a correct function or a malfunction or to prompt for a code that changes continuously at intervals, which can only be detected by reading.

In addition, there may also be a sensor 50 be provided, which can signal a correct lock or even a violent opening.

The components of the electrical and electronic components in the housing part 12 and in the housing part 14 be through contacts 52 interconnected.

In the embodiment according to 2 becomes a mechanical drive instead of an electric drive 54 used with the latch mechanism 16 via a clutch 56 connected is. Moreover, the further structure largely corresponds to the in 1 , but with 2 some of the electronic assemblies are different in the two housing parts 12 and 14 are distributed.

To secure a permissible data transfer between the housing parts 12 and 14 and preventing an impermissible exchange of the housing parts, the data transfer between the housing parts by means of coding devices 36 and 40 , These check the data for authenticity and at the same time prevent data manipulation at the interface.

3 shows the integration of an electronically coded lock in an access control system. The access control system here comprises a data bus 58 which leads to an external database. Connected to a mounted in a building on a door read / write device 62 which can communicate with conventional transponders. Such a transponder can also be an authorization card 32 with a code transmitter 34 be, which is universally applicable.

With the read / write device 62 is a door control unit 60 with a transceiver 64 coupled via an antenna 66 communicates with one or more of the electronic locks via a low power radio link. This allows the locks to query externally stored access data. These may be the same access data as that used by the read / write device 62 that is, data in the memory of a local access control system or an external database. Each mobile or stationary lock then corresponds to another access control integrated read / write device in the access control system. The Door control unit with the transceiver can also be used as a relay point for a communication of the locks 10 serve in the described embodiment for an access data query or a data update.

If an external database needs to be accessed to check the access data, this can be done together via a bus system 58 and / or an intermediary communication network.

Claims (10)

Electronically codable lock system, consisting of a housing with a lock mechanism ( 16 ) lockable and unlockable closing member, wherein the locking mechanism ( 16 ) by means of an electronic code analyzer ( 24 ) is unlocked when evaluating a valid code and the code evaluator ( 24 ) comprises a first wireless interface via which data from an external credential ( 32 ) with a code transmitter ( 34 ) are transferable, characterized in that the code evaluator ( 24 ) comprises a second wireless interface for data communication with an external access control system or an external database via which the code evaluator ( 24 ) storable authorization data can be updated and / or a validity request of the authorization card ( 32 ) and a validity response is retransmitted. Electronically encodable lock system according to claim 1, characterized in that the first interface is a transponder interface for the Frequency range is between 100 KHz and 15 MHz. An electronically codable lock system according to claim 3, characterized in that the first interface additionally comprises a near field sensor ( 50 ) for recording the transmission of a code as a 34 ). Electronically encodable lock system according to claim 3 or 4, characterized in that the first interface additionally a display ( 48 ) for displaying a constantly changing code, which can be read via the keyboard of the 34 ) is to be entered by the operating personnel. Electronically codable lock system according to one of Claims 1 to 5, characterized in that the second interface comprises a receiver or a transceiver ( 30 ; 38 ) for a low power radio link in an allowed frequency range, in particular 433 MHz or 868 MHz, or for a mobile radio network. Electronically codable lock system according to one of claims 1 to 6, characterized in that the code evaluator ( 24 ) a clock ( 28 ), which is designed as a real-time clock or as a counter and additionally a general or individual temporary authorization of the authorization card ( 32 ) linked to the access check. Electronically codable lock system according to one of claims 1 to 7, characterized in that the housing consists of two parts ( 12 ; 14 ), of which a first part ( 12 ) consists of metal and the locking mechanism ( 16 ), and a second part ( 14 ) consists of plastic and antennas ( 42 ; 44 ) of the first and second interfaces, wherein the remaining components are arranged wholly or partly in the first or second part of the housing. Electronically encodable lock system according to claim 8, characterized in that in the arrangement of electrical components in both parts ( 12 ; 14 ) of the housing these components are connected by contacts with each other. An electronically codable lock system according to claim 8 or 9, characterized in that the separable electronic components in the parts of the lock system have coding devices ( 36 ; 40 ) are assigned to each other for secure data exchange. Electronically encodable lock system according to one of claims 1 to 10, characterized in that when formed as a padlock ( 10 ) a position sensor for the hanger is arranged in the housing, the code of the evaluator ( 24 ) is evaluated.