CN2575256Y - Sealed manhole cover lock - Google Patents

Abstract

The utility model relates to a numerical code lock device with a radio-frequency key, which belongs to the technical field of the structure of numerical code locks. The utility model is matched with an integrated circuit authorization card matched with a lock which is divided into a mechanical lock (1) and an electric control lock (6), wherein a sensing device (3) is arranged on the mechanical lock, a radio-frequency communication module (4) which forms radio-frequency interconnection with the sensing device (3) is inlaid in the radio-frequency key (2), and the radio-frequency key (2) is provided with a controller (5) which is respectively and electrically connected with the sensing device (3) and the electric control lock; a read-write module matched with the radio-frequency communication module and a microcomputer are arranged in the controller. The radio-frequency communication technology and the numerical code authentication technology are used in the utility model, and one key with one number is realized. The utility model has the advantages of low repetition rate, safety, reliability, numerical code safety, mechanical safety, convenience and practicality, and the numerical code key and the mechanical key are combined into a whole. Users can authorize and match the radio-frequency keys by themselves, and completely masters the use right and the secrecy right of anti-theft locks.

Description

Radio frequency key combination padlock device

Technical field

The utility model belongs to the combination padlock technical field of structures, especially uses the integrated of radio communication, digital electronic control technology and mechanical lock, realizes the combination padlock technical field of structures that electromechanical integration control opens and closes.

Background technology

In recent years, caused the stolen case of dwelling house, hotel and office space more and more because of lockset by sled.Except thief's number that can easyly tackle mechanical lock gets more and more, technology is more and more brilliant, the quality of lock waits the reason worse and worse, geneogenous defectives such as the password repetitive rate of mechanical lock and structure have become the hidden danger of the antitheft maximum of house safety.

According to the rules, it is identical that one batch of formalistic life style does not have, have in the general lock 4-5 vary in size, pellet shot from a slingshot that shape is also different, arrange differently, password is also inequality, generally is 5,000-6,000 batch just can to take turns to a password identical.Different batches is placed on respectively in the Different Package case during product export, mails to different places, has so just reduced identical probability.But some nonstandard production methods have appearred now, the quality of lock worse and worse, underproof lock is more on the market, the probability that password may repeat reduces to 1/24, a key is driven two locks, even the thing of three or four locks happens occasionally, and has brought inconvenience for people's life, safety.Because the concrete quality specifications about the lock industry is also not too clear and definite at present, is difficult to check.And the tooth of the master key that it has often been said is resilient, retractable, as long as do not say professional locksmith be exactly general people with going up master key or twenties the different key of dentation, the pirate of the open mechanical lock just can easily be succeeded.Though producer's Development and Production induction type electronic anti-theft lock device is also arranged at present, but its complex structure, price is higher, and these induction type electronic theftproof locks generally all are that employing comes antitheft by the mode that producer is provided with password, cipher mode and antitheft means are all more single, and anti-theft effect is bad; And key is in case lose, and the individual can't prepare new key, has only producer can give to authorize again the new key of preparation, not only bothered cost but also high.Also have some manufacturers Development and Production IC-cards to differentiate theftproof locks, but its use be the application-specific integrated circuit chip, price is higher, the structure of lock is complicated.

Summary of the invention

The purpose of this utility model is exactly to provide a kind of with radio communication and the encryption of digital discriminating means, the theftproof performance that can improve dwelling house, hotel and office space effectively, simple in structure, low price, convenient and practical, safe and reliable radio frequency combination padlock device in order to solve the problem that above-mentioned prior art exists.

The purpose of this utility model is achieved by the following technical solution.

This radio frequency key combination padlock device disposes an integrated circuit authorization card with the lockset adapted, its lockset is divided into mechanical lock and electric control lock two parts, mechanical lock is provided with sensing device, being embedded with radio-frequency communication module and sensing device in the radio frequency key forms RF-coupled, be provided with controller and be electrically connected with sensing device and electric control lock respectively, be provided with module for reading and writing and micro computer in the controller with the radio-frequency communication module pairing.

Described sensing device is to be centered around mechanical lock round sensing device on every side; Described radio-frequency communication module is embedded on the handle of radio frequency key; Described integrated circuit authorization card is ID card or IC-card.

The utility model utilizes the radio frequency digital technology that key that the person of unblanking holds is differentiated the unlatching of controlling door lock, realizes antitheft.Because every be furnished with an integrated circuit authorization card to radio frequency key combination padlock, but user's use authority card reads in controller after the information voluntarily in order to nullifying and additional issue radio frequency key, so that information stored can be corresponding with the information that prestores in the controller in the radio frequency key of additional issue.Utilize the radio frequency digital technology, the information data difference that this integrated circuit authorization card reads at different time slave controllers.The door lock assembly latching segment is identical with the function of conventional door lock, sensing device around the mechanical lock is as the transmit/receive antenna of opening controller, by with the radio frequency key in the induction antenna coupling of radio-frequency communication module to realize carrying out the exchange of the energy and information with radio-frequency communication module.Being arranged at micro computer in the controller has prestored and authorization card, information that radio frequency key radio-frequency communication module is identical.When the key with the authorization card additional issue inserted key hole of door lock, radio-frequency communication module communicated the realization identity by induction antenna and the sensing device of locking (being combination padlock controller antenna) and differentiates that controlling door lock opens.

When opening the door at every turn, controller reads all data on the key radio-frequency communication module and compares with information that controller prestores, open the control actuator that is arranged in the controller when conforming to fully, export the control signal of opening the door, otherwise then do not open the control actuator.The control actuator is connected with electric control lock by stube cable, opens electric control lock when control signal is opened the door in the output of control actuator, and for the unlatching of mechanical lock is prepared, the householder can open door lock routinely.Non-inductive formula integrated circuit radio frequency key person can't open combination padlock.

Controller also can be connected with data reader/writer or fault diagnosis device by communication interface, as reading and writing data or diagnosing the use of fixing a breakdown.

Because it is imitated that the radio frequency key by the authorization card additional issue, can't be forged, and the unlatching of door lock is subjected to microcomputerized control, the thief can't open, and the householder gate is opened safety and obtained reliable assurance.The householder can be provided with the encrypted message of oneself voluntarily in controller and radio frequency key, further encrypt the measure of discriminating as the user.Therefore, except that the discrimination condition of information, can also increase user encryption information as validated user with induction type IC chip number, communication encryption and the input of radio frequency key factory.

This digital Lock Lee realizes that with radio communication, digital authentication technique repetitive rate is lower than part per billion, and is safe and reliable spoonful No. one.It has the normal key profile, embedded radio frequency module, non-transformer work, latent close convenience, digital, mechanical key unites two into one, an available key is driven two locks (mechanical lock and electric control lock), insert the key electric control lock from opening, screw key is opened mechanical lock, digital, mechanical dual fail-safe, the user on top of the right to use and the right to keep confidential of theftproof lock, more safe and reliable, convenient and practical.But this combination padlock both unit uses, and also can be connected with computer network system, convenient management.

The utility model is simple in structure, and the IC chip that is adopted is the general-purpose chip that produce in batches in market, low cost of manufacture.When on door, this anti-theft lock device being installed, need not destroy the frame for movement of original door lock, very practical.

Description of drawings

Further set forth the utility model below in conjunction with drawings and Examples.

Fig. 1 is a structural representation of the present utility model

Fig. 2 is a functional block diagram of the present utility model.

The specific embodiment

As shown in Figure 1, the utility model is made up of mechanical lock 1, electric control lock 6, radio frequency key 2 and the controller 5 that matches with it, mechanical lock 1 is provided with round sensing device 3, key 2 is provided with radio-frequency communication module 4 and forms RF-coupled with sensing device 3, in addition, the controller 5 that is electrically connected with sensing device 3 also is installed, is provided with the module for reading and writing and the micro computer that match with radio-frequency communication module 4 in the controller 5, controller 5 also is electrically connected with electric control lock 6.The utility model can not change the mechanical part of original mechanical door lock device and key, directly around original door lock induction coil is set, and buries radio-frequency communication module underground on the original key handle, adopt the radio communication IC chip that meets international standard.When using this combination padlock first, earlier authorization card and combination padlock are interacted, so that combination padlock is confirmed this card is the effective card through authorizing, then, the radio frequency key is inserted in the lockhole, make the radio-frequency communication module acquisition information identical with authorization card and controller in the key, key is also promptly allotted and is finished.1., the module for reading and writing in the controller 5 launches wireless pumping signal make when turning the key in the lock from now on, key 2 is being inserted in the key hole of door lock, carrying out information exchange between the module for reading and writing of radio-frequency communication module 4 and controller 5 as shown in Figure 2 according to the following procedure:; 2., the sensing device 3 of radio-frequency communication module 4 by coupling enters the module for reading and writing effective coverage and accepts the module for reading and writing signal and be energized; 3., radio-frequency communication module 4 internal logic devices judge, analyze and handle the module for reading and writing command information that receives, and send answer signal to module for reading and writing then.General in the world secret algorithm is adopted in communication between radio-frequency communication module and the module for reading and writing, makes it have high security performance; 4., module for reading and writing receives answer signal and further handles.Controller reads the information that all data on the key radio-frequency communication module and controller prestore and compares, and opens the control actuator that is arranged in the controller when conforming to fully, the output control signal of opening the door, on the contrary then do not open the control actuator.The control actuator is electrically connected with electric control lock 6 by stube cable, opens electric control lock when control signal is opened the door in the output of control actuator, and for the unlatching of mechanical lock is prepared, the householder can open door lock routinely.Non-inductive formula integrated circuit radio frequency key person can't open combination padlock.If key is stolen or loss, authorization card and combination padlock can be pressed close to read again several seconds and original different information, just the key of former allocation all can be nullified.Then, allot new key with authorization card again again.For with the utility model and traditional electronic lock compatibility, also can on controller 5, install two buttons 8, be used for distribution and nullify key respectively, press one of them button, can nullify used key, press another button, can issue slip key.Therefore the utility model can adopt the mode of soft or hard combination to issue and nullify the radio frequency key, and more convenient client uses.

The utility model integrates mechanical lock and radio frequency identification card access control system, both convenient, safe and reliable, have certain hidden confidentiality again, can be made into the door lock and the ignition lock of all kinds, various uses, for example dwelling house, office's door lock, automobile door lock, automotive ignition lock etc.It is simple in structure, and manufacturing cost is lower, according to different class, and general every cover cost 200-500 unit, and theftproof performance is good, is difficult for forging.

Claims (4)

1, radio frequency key combination padlock device, form by lockset and the radio frequency key (2) that matches with it, it is characterized in that, dispose an integrated circuit authorization card with the lockset adapted, described lockset is divided into mechanical lock (1) and electric control lock (6) two parts, mechanical lock (1) is provided with sensing device (3), being embedded with radio-frequency communication module (4) in radio frequency key (2) forms RF-coupled with sensing device (3), be provided with controller (5) and be electrically connected with sensing device (3) and electric control lock (6) respectively, be provided with module for reading and writing and micro computer in the controller (5) with radio-frequency communication module (4) pairing.

2, combination padlock device according to claim 1 is characterized in that, described sensing device (3) is to be centered around mechanical lock (1) round sensing device on every side.

3, locking device according to claim 1 is characterized in that, described radio-frequency communication module (4) is embedded on the handle of radio frequency key (2).

4, locking device according to claim 1 is characterized in that, described integrated circuit authorization card is ID card or IC-card.

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