CN2370744Y

CN2370744Y - Cipher safety drawer

Info

Publication number: CN2370744Y
Application number: CN 99206899
Authority: CN
Inventors: 索广福
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-04-14
Filing date: 1999-04-14
Publication date: 2000-03-29
Anticipated expiration: 2009-04-14

Abstract

The utility model relates to a cipher safety drawer, which belongs to a furniture field. The structure comprises a drawer, a drawer box, an alarm device, a cipher disk, a limit switch and a circuit thereof. The cipher safety drawer is characterized in that the cipher safety drawer can be conveniently arranged in all kinds of furniture. Once the drawer is damaged or is removed by a person, the alarm device can automatically alarm. The drawer and the drawer box are both made of thick and refractory material. The utility model has the advantages of difficult damage and very high theft-proof performance.

Description

The Cipher safety drawer

The utility model relates to a kind of Cipher safety drawer, belongs to field of furniture, particularly a kind of drawer.

At present, the furniture of selling on the market, for attractive in appearance generally not with lock, even with lock general drawer-lock only is installed also, it is low to use safety factor like this, when so people deposit valuables or data, the general way that adopts the purchase safety cabinet, though so safely, bigger expense must be increased, and safety cabinet is very heavy again, and inconvenience is in use arranged.

The purpose of this utility model is can be fixed on flexibly in furniture, office cabinets, the various table for people provide a kind of, has the Cipher safety drawer of fine theftproof performance.

Above-mentioned purpose of the present utility model is to realize like this, structurally including drawer, drawer box, warning device, limit switch, combination disk, dividing plate and control circuit forms, combination disk and electronic lock are housed on drawer front panel, behind drawer, be equipped with limit switch, below drawer, be provided with mobile limit switch, these electronic switches and lock all join with a warning device and loudspeaker, and when the lawless person wants to open drawer or steals whole Cipher safety drawer, warning device will be reported to the police automatically.

The beneficial effects of the utility model are:

1. it can be easily installed in the various furnitures, and is easy to use;

2. the reflection of its warning device is fast, and structural integrity, has theftproof performance preferably;

3. compare low price with safety cabinet;

Description of drawings:

Fig. 1 is the utility model drawer structure figure;

Fig. 2 is the utility model drawer box structure chart;

Fig. 3 is the utility model drawer rear side panel structure chart;

Fig. 4 is the utility model drawer box rear side panel structure chart;

Fig. 5 is the utility model diaphragm structure figure;

Fig. 6 is circuit theory diagrams of the present utility model;

Below in conjunction with accompanying drawing the technical solution of the utility model is elaborated:

Accompanying drawing provides a kind of embodiment of the present utility model, include drawer [1], drawer box [2], warning device [3], drawer alarm limit bit switch [4], drawer box moves limit switch [5], combination disk [6], dividing plate [7] and control circuit, its structural characteristics have: on the front plate [8] of drawer [1] combination disk [6] is housed, an alarming horn [9], an electronic lock [10] and a drawer-lock [11], in drawer [1] by near the drawer bottom surface [12] the front plate [8] electronic alarm device [3] and circuit board [13] being installed, warning device [3] is covered with a warning device guard shield [14], an a pair of drawer contact electroplax [16] and a drawer alarm limit bit switch [4] are installed on drawer trailing flank [15], drawer contact electroplax [16] just is divided into, negative two, the contact [17] of drawer alarm limit bit switch [4] passes drawer trailing flank [15] and exposes, drawer box [2] is the rectangular box of an opening, general thick iron sheet or the big cast-molding material of anti-combustion intensity of 1-2mm that adopt made, a pair of drawer box contact electroplax [19] is housed on its trailing flank [18], just be divided into, negative two, contact electroplax [16] with drawer corresponding, and in the bottom of trailing flank [18] drawer box is housed and moves limit switch [5], drawer box contact electroplax [19] moves limit switch [5] with lead and drawer box and is connected to it power supply is provided, the contact [20] that drawer box moves limit switch [5] stretches out the lower shoe [21] of drawer box downwards, on a drawer box left side, right flank [22], [23] inboard same horizontal level respectively is provided with one group of drawer and walks movable pulley [24], make things convenient for the switching of drawer [1], and in following [21] of drawer box, a left side [22], all be equipped with from interior fixing a plurality of dead bolts [25] on right [23] three panels, be beneficial to antitheft, the control circuit of whole Cipher safety drawer includes cryptochannel, error code circuit and reset circuit, wherein cryptochannel is by three cryptographic key [K ₀], [K ₁], [K ₂], transistor [BG1] and peripheral circuit form, the base stage of transistor [BG1] is simultaneously and three cryptographic key circuit of connecting, password relay [J ₁] normal opened contact [J _1-1], error code relay [J ₂] normal opened contact [J _2-1] connect transistor [BG ₁] colelctor electrode and password relay [J ₁] control end [Z ₀] and cryptochannel diode [D ₁] forward end joins diode [D ₁] backward end and relay [J ₁] normally closed contact [J _1-2] input joins, the error code circuit is by seven error code key [K ₃], [K ₄], [K ₅], [K ₆], [K ₇], [K ₈], [K ₉], transistor [BG ₂] and the peripheral circuit composition, the transistor [BG of error code circuit ₂] base stage through a resistance [R ₇] back while and reset circuit and a resistance [R ₆] join this resistance [R ₆] seven error code keys of the other end and error code circuit in parallel, error code relay [J ₂] the second normal opened contact [J _2-2], error code circuit diode [D ₄] forward end joins simultaneously, reset circuit is two reset key [K of series connection ₁₀], [K ₁₁], an end and resistance [R ₇] join other end ground connection, and seven error code key [K ₃-K ₉], error code relay [J ₂] normal opened contact [J _2-2] another terminals simultaneously and password relay [J ₁Normally closed contact [J _1-2] output [Z ₁], drawer contact electroplax positive pole [Z ₂], the positive pole [Z of drawer alarm limit bit switch ₃] join drawer contact electroplax negative pole [Z ₄] and warning circuit diode [D ₃] forward end, the negative pole of electronic lock [10] join error code circuit diode [D ₄], warning circuit two extremely warns [D ₃] backward end simultaneously and warning device positive pole [Z ₅] join the negative pole [Z of warning device ₆] join the other end [Z of alarming horn [9] with the alarming horn positive pole ₇] ground connection, the negative pole [Z of the positive pole of electronic lock [10] and drawer alarm limit bit switch ₈] join the both positive and negative polarity [Z of drawer box contact electroplax ₉], [Z ₁₀] join the transistor [BG of error code circuit with the corresponding utmost point that drawer box moves limit switch [5] respectively ₂] colelctor electrode and the control end [Z11] and the relay circuit diode [D of error code relay ₂] forward end join error code circuit relay [J ₂] output control terminal and relay circuit diode [D ₂] backward end contact simultaneously electroplax positive pole [Z with drawer ₂] join, a master switch [K] is housed in addition, the unlatching of control warning device [3] on the bus of the loop of circuit, all cryptographic keies, dislocation key, reset key all are installed on the combination disk [6], number grouping that can button is formed the password of jack per station, for example cryptographic key [K ₀, K ₁, K ₂] can be designated as 1,6,8, reset that to be made as 2,3 error codes be 4,5,7,9,10,11,0, at time spent [K ₀] No. 1 password is pressed, power supply will be to the electric capacity [C in the password peripheral circuit ₁] charging, electric capacity [C ₁] will be near supply voltage, because the resistance [R in the circuit after the charging ₂] very big, as [K ₀] unclamp back electric capacity [C No. 1 ₁] to resistance [R ₂] slowly discharge, as [K ₁] No. 6 key is pressed electric capacity [C ₁] to electric capacity [C ₂] charging, because resistance [R ₃] resistance bigger, as [K ₂] electric capacity [C when No. 8 key is pressed ₂] by resistance [R ₄] give the transistor [BG of cryptochannel ₁] base current is provided, make triode [BG ₁] conducting, so relay [J ₁] must be electric, its normal opened contact [J _1-1] keep transistor [BG ₁] conducting, normally closed contact [J simultaneously _1-2] open, warning device [3] has not just been worked, in the error code circuit if by any one error code key, as K ₃[label 4], power supply will be by normally closed contact [J _1-2] and resistance [R ₆] to error code transistor [BG ₂] provide base current to make it conducting, relay [J ₂] must be electric, its normal opened contact [J _2-1], [J _2-2] closure, make transistor [BG ₁] end, and transistor [BG ₂] conducting makes alarm work, and when reset key is pressed simultaneously transistor [BG ₂] lose base current, become by making warning device [3] noise reduction by conducting, the warning device in the utility model [3] is commercially available audio alert sheet, as the 0X-209 sheet, can have alternative sounds to select, dividing plate [7] can be made different patterns, and the confined space in the drawer is made full use of.

Claims

1, a kind of Cipher safety drawer, include drawer, drawer box, warning device, limit switch, combination disk, dividing plate and control circuit, it is characterized in that on the front plate of drawer a combination disk being housed, an alarming horn, an electronic lock and a drawer-lock, in drawer by near the bottom surface front plate electronic alarm device and circuit board being installed, warning device is covered with a warning device guard shield, trailing flank at drawer is equipped with a pair of drawer contact electroplax and a drawer alarm limit bit switch, drawer contact electroplax just is divided into, negative two, the contact of drawer alarm limit bit switch passes the drawer trailing flank and exposes, drawer box is the rectangular box of an opening, a pair of drawer box contact electroplax is housed on its trailing flank, just be divided into, negative two with drawer to contact electroplax corresponding, and in the trailing flank bottom drawer box is housed and moves limit switch, the contact that drawer box moves limit switch stretches out the lower shoe of drawer box downwards, on a drawer box left side, the inboard same horizontal level of right flank respectively is provided with one group of drawer and walks movable pulley, and on the left side of drawer box, right, all be equipped with on following three panels from interior fixing a plurality of dead bolts, control circuit includes cryptochannel, error code circuit and reset circuit, wherein cryptochannel is by three cryptographic keies, transistor and peripheral circuit are formed, base stage while and three cryptographic key circuit of connecting of transistor, the normal opened contact of password relay, the normal opened contact of error code relay connects, the colelctor electrode of transistor and password relay control end join, the error code circuit is by seven error code keys, transistor and peripheral circuit are formed, the base stage of the transistor of error code circuit is joined with reset circuit and a resistance behind a resistance simultaneously, seven error code keys of the other end of this resistance and error code circuit in parallel, second back contact of second relay, error code circuit diode forward end joins simultaneously, reset circuit is two reset keys of series connection, its other end ground connection, and seven error code keys, another terminals while of second normal opened contact of error code relay and the output of the normally closed contact of password relay, drawer contact electroplax positive pole, the positive pole of drawer alarm limit bit switch joins, the forward end of drawer contact electrode negative pole and error code circuit diode, the negative pole end of electronic lock joins, the backward end of error code circuit and warning circuit diode joins with the warning device positive pole simultaneously, the negative pole and the alarming horn of warning device join, another prap ground connection of alarming horn, the positive pole of electronic lock with take out a negative pole of alarm limit bit switch and join, the drawer box contact electrode just, negative pole joins with the corresponding utmost point that drawer box moves spacing bit switch respectively, the control end of the colelctor electrode of the transistor of error code circuit and error code relay, and the forward end of relay circuit diode connects, the negative pole of the output control terminal of error code relay and relay circuit diode contacts the electroplax positive pole simultaneously with drawer, the positive pole of drawer alarm limit bit switch joins, a master switch is housed on the bus of the loop of circuit in addition, and all buttons all are installed on the combination disk.