CN1279330A - Multifunctional cipher lock with alarm function - Google Patents

Abstract

A multifunctional cipher lock with alarm function is composed of cipher input device, cipher recognizer, bolt driver, illegal unlocking alarm, self protecter, and digital reset device, and features said cipher input device and recognizer is an electromechanical structure. Its advantages include high antitheft effect, low cost and easy cheaper modification.

Description

A kind of multifunctional cipher lock with alarm function

The invention belongs to antitheft equipment field, especially belong to a kind of insurance lock.

In the prior art, insurance lock mainly contains two big classes: a class is the door lock that opens the lock with the key, though the kind of key is a lot, its common shortcoming is that anti-theft capability is relatively poor; Another kind of is the microelectronics insurance lock, and the function ratio of this class door lock is more complete, mostly adopts password unlocking, and what have also has functions such as warning, joint defence, identification fingerprint or portrait, and anti-theft capability is stronger.But the price comparison costliness of electronic insurance door lock, not easy-maintaining; Some electronic insurance door lock still must open the door with the password magnetic card, the same easy loss with key or stolen.In addition, usually coded lock only uses level password, anti-theft capability a little less than.

The purpose of this invention is to provide a kind of insurance lock.Compare with the door lock of prior art, this insurance lock has that anti-theft capability is strong, low price, keep in repair and change advantages such as sign indicating number makes things convenient for.

The design of door lock of the present invention is: it comprises the cipher input of keying in door-opening password, the password of keying in is differentiated the apparatus for security code recognition of processing, open the tongue driving device of door lock, send the warning device of alarm signal during by mistake by password, can cut off the self-insurance safety device of unlock circuit during by mistake by password automatically, make cipher input return to the figure key resetting means of original state; It is characterized in that: it also is provided with controlled cryptographic chamber door and doorframe bracing means; Described cipher input is made up of the two-stage numeral keyboard; First order digital code keyboard is connected in series in proper order with apparatus for security code recognition, tongue driving device; The described tongue driving device that is used to control the combination lock door switch is installed on the base plate of combination lock; The second level digital code keyboard that is installed in the password chamber door is connected in proper order with apparatus for security code recognition, tongue driving device; The described tongue driving device that is used to control the gate switch is installed on the door-plate of dwelling house door.

Described apparatus for security code recognition is made up of mechanical self-latching type button, conductive pole, coding chip; Each conductive pole is loaded on the bottom of mechanical self-latching type button, and described coding chip is made up of substrate, conductive contact group, control line; Two conductive contacts of the bits per inch correspondence of cipher code set are connected in series successively by the figure place of cipher code set; The top conductive contact of the first figure place correspondence of cipher code set is connected with control line, and the following conductive contact of the last digit correspondence of cipher code set is connected with control line; The corresponding top conductive contact of other numeral except that the cipher code set numeral is connected with control line, below conductive contact be connected with control line.

Described doorframe bracing means is made up of dead bolt, kinematic link, bolt, door bolt hole; One end of described kinematic link is between the end and spring of dead bolt, and the middle part of kinematic link is slidingly matched with moving fulcrum and connects, the other end of the kinematic link bolt that is fixedly connected; The door bolt hole be positioned at the corresponding dwelling house every of bolt plate side on.

Door lock of the present invention is compared with the door lock of prior art, and its advantage is that the cipher input of this lock that is: be opened the dwelling house door switch owing to adopt a chain of insurance of two-stage, must import correct password on the digital code keyboard of the second level; And to must open the password chamber door earlier in the operation of second level digital code keyboard; And to open the password chamber door, must on first order digital code keyboard, import the correct password of another group.Usually, first order warning device is connected with residential district joint defence mechanism, owing to need the defeated sign indicating number of two-stage, uncaging time is longer, and the joint defence team member can arrive in the very nick of time before the robber pries open the dwelling house door.Thereby theftproof performance is stronger.Two, this lock also is equipped with the doorframe bracing means, when the dwelling house door is locked, be subjected to the thrust of dead bolt, two bolts injected in the door bolt hole of door-plates about the kinematic link of a leverage drove, because the insurance of dead bolt and two bolts, thereby make door lock have stronger anti-theft capability.Three, the password input mechanism of this lock and recognition device adopt electromechanical integrated structure, thereby price is cheap than Computerized puzzle lock, and it is convenient to keep in repair, decode.In addition, coding chip has multi-disc, dismounting and change at any time, and password can in time be changed.

Fig. 1 is the insurance lock structural representation.

Fig. 2 is the electrical schematic diagram of apparatus for security code recognition.

Fig. 3 is the schematic diagram of coding chip.

Fig. 4 is the schematic diagram of doorframe bracing means.

Fig. 5 is the electrical schematic diagram of tongue driving device and self-insurance safety device.

Be described in detail below in conjunction with accompanying drawing.

Fig. 1 is the insurance lock structural representation.It is by cipher input, apparatus for security code recognition B1, B2, and tongue driving device C1, C2 press warning device D1, D2 by mistake, and figure key resetting means F1, F2 and self-insurance safety device Z constitute; It also is provided with controlled cryptographic chamber door M2 and doorframe bracing means G; Described cipher input is made up of two-stage numeral keyboard A1, A2; First order digital code keyboard A1 is connected in series in proper order with apparatus for security code recognition B1, tongue driving device C1; The described tongue driving device C1 that is used to control password chamber door M2 switch is installed on the door-plate of password chamber door M2; The second level digital code keyboard A2 that is installed in the password chamber door connects in proper order with apparatus for security code recognition B2, tongue driving device C2; The described tongue driving device C2 that is used to control gate M0 switch is installed on the door-plate of dwelling house door M0.

The course of work of this lockset body is as follows: input first group of password with hand at first order digital code keyboard A1, if password is correct, apparatus for security code recognition B1 connects the power supply of tongue driving device C1, be installed on the dead bolt withdrawal on the door-plate of password chamber door M2, at this moment can open password chamber door M2, expose second level digital code keyboard A2.If the password mistake, apparatus for security code recognition B1 connects mistake and presses warning device D1, sends chimes of doom; Cut off password identification circuit simultaneously.

Input second group of password at second level digital code keyboard A2, if password is correct, apparatus for security code recognition B2 connects the power supply of tongue driving device C2, is installed on the dead bolt withdrawal on the door-plate of dwelling house door M0, at this moment can open dwelling house door M0.If the password mistake, apparatus for security code recognition B2 connects mistake and presses warning device D2, sends chimes of doom; Cut off password identification circuit simultaneously.

Fig. 2 is the electrical schematic diagram of apparatus for security code recognition.Described apparatus for security code recognition is made up of mechanical self-latching type button, conductive pole, coding chip; Each conductive pole is loaded on the bottom of mechanical self-latching type button, and described coding chip is made up of substrate, 20 conductive contacts, control line J, K, E, F; Per 2 conductive contacts are formed 1 cipher code set, have 1,2, a ..9,0 cipher code set; Two conductive contacts of the bits per inch correspondence of cipher code set are connected in series successively by the figure place of cipher code set; The top conductive contact of the first figure place correspondence of cipher code set is connected with control line J, and the following conductive contact of the last digit correspondence of cipher code set is connected with control line K; The corresponding top conductive contact of other numeral except that the cipher code set numeral is connected with control line E, below conductive contact be connected with control line F.

Among the embodiment of Fig. 2, correct password is 137, presses 1,3,7 triple bonds on digital code keyboard A1 or A2, and two conductive contacts of this three figure places correspondence are connected, thereby control line J, K also connect, and connects the power supply of tongue driving device C1 or C2, makes the dead bolt action.If any one password input error all can make control line E, F connect, make mistake by warning device D1 or D2 action, send chimes of doom.Usually, warning device D1 is connected with residential district joint defence mechanism, so that the joint defence team member arrived in the very nick of time before the robber pries open the dwelling house door.

Fig. 3 is the schematic diagram of coding chip.The proper password of embodiment is 137 among the figure, and P is a chip substrate, and V is a conductive pole, and the shade blockage is conductive contact N, has 1,2, a ..9,0 group.When two corresponding with it conductive contact N of conductive pole V contacted, two conductive contact electricity were connected.Two conductive contacts of bits per inch 1,3,7 correspondences of cipher code set are connected in series successively by the figure place of cipher code set; The top conductive contact of first figure place, 1 correspondence of cipher code set is connected with control line J, and the following conductive contact of last digit 7 correspondences of cipher code set is connected with control line K; The top conductive contact of other numeral 2,4,5,6,8,9,0 correspondence except that the cipher code set numeral is connected with control line E, below conductive contact be connected with control line F.

Fig. 4 is the schematic diagram of doorframe bracing means.Described doorframe bracing means G is made up of dead bolt Q, kinematic link S, bolt H, door bolt hole Y; The end of described kinematic link S is between the end and spring L of dead bolt Q, and the middle part of kinematic link S is slidingly matched with moving fulcrum I and connects, the other end of the kinematic link S bolt H that is fixedly connected; The door bolt hole Y be positioned at the corresponding dwelling house door of bolt H M0 door-plate side on.When the dwelling house door is locked, be subjected to the thrust of dead bolt Q, two bolt H injected among the door bolt hole Y of door-plates about the kinematic link S of a leverage drove, because the insurance of dead bolt Q and two bolt Y, thereby make door lock have stronger anti-theft capability.

Fig. 5 is the electrical schematic diagram of tongue driving device and self-insurance safety device.The circuit of tongue driving device mainly is made up of relay U1 and UC, and the self-insurance safety device is made up of relay UO.The coil of relay U1 is connected between power positive end EC and the ground by control line J, K.The coil of relay UO is connected between power positive end EC and the ground by control line E, F.After the constant close contact of the coil of relay UC and relay UO, the constant open contact of relay U1 are connected, be connected between power positive end EC and the ground.When password was correct, control line J, K also connected, and the coil of relay U1 gets electric connection, the constant open contact closure of relay U1, and the coil of relay UC gets electric connection and makes the dead bolt action.If the password input error, control line E, F connect, and the coil of relay UO gets electric connection, and the constant close contact of relay UO disconnects, the coil losing electricity of relay UC, dead bolt akinesia.

Claims (5)

1, a kind of multifunctional cipher lock with alarm function, comprise: the cipher input of keying in door-opening password, the password of keying in is differentiated the apparatus for security code recognition (B1, B2) of processing, open the tongue driving device (C1, C2) of door lock, send the warning device (D1, D2) of alarm signal during by mistake by password, can cut off the self-insurance safety device (Z) of unlock circuit during by mistake by password automatically, make cipher input return to the figure key resetting means (F1, F2) of original state; It is characterized in that: it also is provided with controlled cryptographic chamber door (M2) and doorframe bracing means (G); Described cipher input is made up of two-stage numeral keyboard (A1, A2); First order digital code keyboard (A1) is connected in series with apparatus for security code recognition (B1), tongue driving device (C1) order; The described tongue driving device (C1) that is used to control password chamber door (M2) switch is installed on the base plate of password chamber door (M2); The second level digital code keyboard (A2) that is installed in the password chamber door is connected with apparatus for security code recognition (B2), tongue driving device (C2) order; The described tongue driving device (C2) that is used to control gate (M0) switch is installed on the door-plate of dwelling house door (M0).

2, door lock as claimed in claim 1 is characterized in that: described apparatus for security code recognition is made up of mechanical self-latching type button, conductive pole (V), coding chip; Each conductive pole is loaded on the bottom of mechanical self-latching type button, and described coding chip is made up of substrate (P), 20 conductive contacts (N), control line (J, K, E, F); Individual cipher code set that per 2 conductive contacts (N) are formed 1 cipher code set, total (1,2 ..9,0); Two conductive contacts of the bits per inch correspondence of cipher code set are connected in series successively by the figure place of cipher code set; The top conductive contact of the first figure place correspondence of cipher code set is connected with control line (J), and the following conductive contact of the last digit correspondence of cipher code set is connected with control line (K); The corresponding top conductive contact of other numeral except that the cipher code set numeral is connected with control line (E), below conductive contact be connected with control line (F).

3, door lock as claimed in claim 1 or 2 is characterized in that: described doorframe bracing means (G) is made up of dead bolt (Q), kinematic link (S), bolt (H), door bolt hole (Y); One end of described kinematic link (S) is between the end and spring (L) of dead bolt (Q), and the middle part of kinematic link (S) is slidingly matched with moving fulcrum (I) and connects, the other end of kinematic link (S) bolt (H) that is fixedly connected; The door bolt hole (Y) be positioned at the corresponding dwelling house door of bolt (H) (M0) door-plate side on.

4, door lock as claimed in claim 1 or 2 is characterized in that: the circuit of described tongue driving device (C1) is mainly formed by relay (U1) with (UC), and self-insurance safety device (Z) is made up of relay (UO); The coil of relay (U1) is connected between power positive end (EC) and the ground by control line (J, K); The coil of relay (UO) is connected between power positive end (EC) and the ground by control line (E, F); The coil of relay (UC) is connected between power positive end (EC) and the ground with after the constant open contact of the constant close contact of relay (UO), relay (U1) is connected.

5, door lock as claimed in claim 3 is characterized in that: the circuit of described tongue driving device (C1) is mainly formed by relay (U1) with (UC), and self-insurance safety device (Z) is made up of relay (UO); The coil of relay (U1) is connected between power positive end (EC) and the ground by control line (J, K); The coil of relay (UO) is connected between power positive end (EC) and the ground by control line (E, F); The coil of relay (UC) is connected between power positive end (EC) and the ground with after the constant open contact of the constant close contact of relay (UO), relay (U1) is connected.

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