CN2637654Y

CN2637654Y - Electronic lock

Info

Publication number: CN2637654Y
Application number: CN 03266920
Authority: CN
Inventors: 连智民
Original assignee: WFE Technology Corp
Current assignee: WFE Technology Corp
Priority date: 2003-07-08
Filing date: 2003-07-08
Publication date: 2004-09-01
Anticipated expiration: 2013-07-08

Abstract

The utility model relates to an electronic lock which includes a bolt, a handle and a control circuit, one side of the middle section of bolt is provided with a groove and the end of the bolt constitute a concave step; the handle has a front end provided for the user to turn right or left and a poke rod is arranged at the rear end of the handle; one end of the poke rod is correspondingly positioned in the groove in the middle section of the bolt; the control circuit is respectively provided with an inductor provided for the user to touch, an electromagnetic valve which is retained at the concave step of the bolt by a telescopic pole and a battery which supplies power for the control circuit. A socket is connected in parallel with the battery and a stand-by battery is externally connected with the socket. The utility model utilizes the inductor to replace the password keyboard of the traditional electronic lock and the stand-by battery is externally connected with the socket, thus having the efficacy that the electronic lock can be opened without being affected by the power supply.

Description

Electronic lock

Technical field

The utility model is a kind of electronic lock, refers in particular to a kind of code keypad that utilizes inductor to replace the conditional electronic lock, and can pass through the external battery backup of socket, reaches electronic lock and is not subjected to power supply to influence the purpose of unblanking smoothly.

Background technology

In development in science and technology flourishing day by day today; the use that combines of the normal and electronic installation of traditional mechanical lock structure, as office block, big city is provided with electronic lock on the doorway; utilize the mode of the current password of induction to unblank, make our security of the lives and property have more thorough protection.And the conditional electronic lock is to include tapered end and inductor, but tapered end has the dead bolt and the electromagnetic valve of a move left and right respectively; And inductor is to have some keyboards that supply to push setting code, set or remove password in order to provide the external world to push, and portion is provided with the control substrate that is electrically connected with general expression within it, in order to judge the signal of inductor, with the action of control tapered end internal lock tongue and electromagnetic valve.

Whether utilize card or other corresponding inductor, it is correct to make inductor detect its password, when password is correct, just can utilize the electromagnetic valve in the control substrate control tapered end, makes in its expansion link and contracting, and contracts in dead bolt integral body is movable, reaches the purpose of unblanking; And when the password mistake, or inductor is not when having electricity, and tapered end just can't be opened by inductor, and its relative electromagnetic valve also can not be activated, and dead bolt also can therefore fixingly can't rotate, thus, in the tapered end dead bolt just can not in contract.Its major defect is:

Because this electronic lock is subject to the restriction of power supply, once lose the supply of power supply, just can't reach the purpose of unblanking.

At the defective of above-mentioned traditional electronic lock, the inventor exhausts the concentrated research of its intelligence then and overcomes, and by being engaged in the accumulating experience for many years of this industry, creates electronic lock of the present utility model.

Summary of the invention

Main purpose of the present utility model provides a kind of electronic lock, utilizes inductor to replace the code keypad of traditional electronic lock, and by the external battery backup of socket, reaches electronic lock and be not subjected to power supply to influence the purpose of unblanking smoothly.

The purpose of this utility model is achieved in that a kind of electronic lock, and it includes dead bolt, handle and control circuit, it is characterized in that: this dead bolt is that section one side offers groove therein, and its end is formed with recessed rank; This handle is the front end that is provided with for user's left rotation and right rotation, and the rear end volume is provided with a poke rod, and an end of this poke rod is that correspondence is inserted in the groove in this dead bolt stage casing; This control circuit is to be respectively equipped with for the extraneous inductor, that presses to utilize the battery pack of expansion link backstop in electromagnetic valve and this control circuit power supply of supply on the terminal recessed rank of this dead bolt, this battery pack is parallel with a socket again, the external battery backup of this socket.

This inductor is to be surrounded on the microswitch that central authorities have a Light-Emitting Diode by induction coil to be constituted.

Further specify below in conjunction with the preferred embodiment conjunction with figs..

Description of drawings

Fig. 1 is an organigram of the present utility model.

Fig. 2 is a user mode schematic diagram one of the present utility model.

Fig. 3 is a user mode schematic diagram two of the present utility model.

Fig. 4 is that user mode of the present utility model is with reference to figure one.

Fig. 5 is that user mode of the present utility model is with reference to figure two.

The specific embodiment

Consult Fig. 1-shown in Figure 3, electronic lock of the present utility model is to be installed on the door-plate 11 of a strongbox 1, and it roughly includes: a dead bolt 2, leader 3 and a control circuit 4, wherein, dead bolt 2 is that section one side is provided with groove 21 therein, and its end is formed with recessed rank 22;

The front end of handle 3 is that the rear end then is provided with a poke rod 31, and an end of poke rod 31 is that correspondence is inserted in the groove 21 in dead bolt 2 stage casings for user's left rotation and right rotation;

Control circuit 4 is to be equipped with one respectively can supply the extraneous inductor 41 that presses, this inductor 41 is to be surrounded on the microswitch 413 that central authorities have a Light-Emitting Diode 412 by induction coil 411 to be constituted, can receive the magnetic pin on the inductive rod 5, and utilize the electromagnetic valve 42 of expansion link 42 backstops in dead bolt 2 terminal recessed rank 22, and the battery pack 43 of the power supply of a supply control circuit 4, and these battery pack 43 parallel connections have a socket 44, when battery pack 43 there is not electricity, can supply an external battery backup 45.

Consult shown in Figure 4, when the door-plate 11 of strongbox 1 is closed, dead bolt 2 front ends of electronic lock are to protrude out to the right, and the poke rod 31 of handle 3 also is the shape will that takes over, and the expansion link 421 of electromagnetic valve 42 protrudes out, and backstop is in the right flank on dead bolt 2 terminal recessed rank 22, and at the same time, electronic lock is to be in cold battery saving mode;

Consult shown in Figure 5, when the user desires opening safety case 1, the user can hold inductive rod 5 and press inductor 41, behind power turn-on, the Light-Emitting Diode 412 of inductor 41 central authorities can be bright, and judge the magnetic pin correctness on the inductive rod 5 simultaneously, under the correct situation of magnetic pin, the expansion link 421 of electromagnetic valve 42 just contracts in the meeting, at this moment, it is rotatable handles 3, make poke rod 31 left side pendulum, the related dead bolt 2 that makes moves to left, and makes complete retraction door-plate 11 sides of dead bolt 2 front ends, the expansion link 421 of electromagnetic valve 42 then breaks away from the relative position on dead bolt 2 recessed rank 22, and the door-plate 11 of this moment just can be opened.

In addition, control circuit 4 is preset with certain ON time, if exceed this ON time, just can cut off the power supply automatically, and leave the expansion link 421 on recessed rank 22, before dead bolt 2 is not as yet by poke rod 31 displacements of handle 3, can continue to be suppressed by dead bolt 2 and in contract, once user's rotating handles 3, make its poke rod 31 right pendulum, make dead bolt 2 move to right, its front end also can protrude the side of door-plate 11, and the expansion link 421 of electromagnetic valve 42 is then got back to the relative position on corresponding dead bolt 2 recessed rank 22, and because of not conducted electricity the excitatory expansion link that influences 421, just can protrude out to immediately in the recessed rank 22, stop that dead bolt 2 moves to left, be returned to the described state of Fig. 4.

When battery pack 43 there is not electricity, can temporarily, be opened by battery backup 45 and socket 44 grafting conductings up to door-plate 11 by 45 power supplies of standby battery pack, just can change the battery in the battery pack 43 again; Shortcomings such as in addition, being placed in the inductor 41 on the control circuit 4, is that to change the conventional cipher keyboard volume big, easily destroyed can be omitted many button assemblies of Chu and cost again simultaneously, help the competitiveness on the industry;

And the employed inductor 41 of the utility model, be can utilize press number of times and stop at interval by second number set or remove password, in the time of must on plurality of keys, operating compared to the conventional cipher keyboard, easily make other people wait to peep and know the order that the user pushes and suffer from cracking, but the inductor 41 on the control circuit 4 of the present utility model can significantly reduce the probability that password is cracked, and other people are difficult to weigh password more, allow the thief beat a retreat in the face of difficulties.

Brought forward is described, and structure of the present utility model has novelty, creativeness and practicality than traditional structure.

Though the utility model discloses as above with preferred embodiment; but be not in order to limiting protection domain of the present utility model, anyly have the knack of this skill person, in not breaking away from spirit and scope of the present utility model; a little change and the modification done is protection domain of the present utility model and contains.

Claims

1, a kind of electronic lock, it includes dead bolt, handle and control circuit, it is characterized in that: this dead bolt is that section one side offers groove therein, and its end is formed with recessed rank; This handle is the front end that is provided with for user's left rotation and right rotation, and the rear end then is provided with a poke rod, and an end of this poke rod is that correspondence is inserted in the groove in this dead bolt stage casing; This control circuit is to be respectively equipped with for the extraneous inductor, that presses to utilize the battery pack of expansion link backstop in electromagnetic valve and this control circuit power supply of supply on the terminal recessed rank of this dead bolt, this battery pack is parallel with a socket again, the external battery backup of this socket.

2, electronic lock according to claim 1 is characterized in that: this inductor is to be surrounded on the microswitch that central authorities have a Light-Emitting Diode by induction coil to be constituted.