CN201278176Y - Contact type time-delay cipher code anti-theft alarm - Google Patents
Contact type time-delay cipher code anti-theft alarm Download PDFInfo
- Publication number
- CN201278176Y CN201278176Y CNU2008201520836U CN200820152083U CN201278176Y CN 201278176 Y CN201278176 Y CN 201278176Y CN U2008201520836 U CNU2008201520836 U CN U2008201520836U CN 200820152083 U CN200820152083 U CN 200820152083U CN 201278176 Y CN201278176 Y CN 201278176Y
- Authority
- CN
- China
- Prior art keywords
- microswitch
- keyboard
- delay
- time
- hummer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a contact type time-lapse code anti-theft alarm which comprises a machine body and a microswitch, wherein the machine body comprises a cover plate, a bottom shell, a keyboard, a buzzer encloser, an electrical appliance circuit board and a buzzer, the bottom shell is in a groove-shaped structure, the keyboard and the electrical appliance circuit board are arranged in the cover plate, the electrical appliance circuit board is provided with a first time-delay relay, a second time-delay relay, a first coil, a second coil, a time-delay relay normally closed contact, a normally closed contact, a normally open contact, a buzzer and a time-delay relay normally open contact, and the electrical appliance circuit board is connected with the microswitch through a lead wire; the microswitch comprises a touch button, a panel, an internal plate and a bottom plate, and the keyboard is a keyboard with twelve keys. When the contact type time-lapse code anti-theft alarm is used, the alarm machine body is arranged on a door or a window, and the microswitch is embedded into a door frame or a gap positioned at one side of a window frame opening. The utility model has the advantages of time-lapse function, needless alarm elimination, concealed installation, difficult damage, small volume and convenient use, can set up parameters and can be installed according to different requirements.
Description
[technical field]
The utility model relates to machinery and technology of instrument and meter field, specifically, is a kind of for family and unit proof box or special purpose office space such as archive office, dangerous goods store door and window contact cipher anti theft alarm use, that have delay function.
[background technology]
Alarm is reminds people gives special concern to something a instrument, the product for civilian use of having developed at present has: gate inhibition's alarm, smog (fire) alarm, gas leak detector, car alarm or the like, the scope of using relates to residential quarter, office block, factory and enterprise, all kinds of warehouse, bank, hotel, office building, various automobile, home or the like, provides all sound assurances to the stable life of people, ordinary production and office.
Whether but present most alarm all is to use with single form, in case receive certain information with regard to instant alarming, really need to report to the police and be beyond recognition, and therefore, unavoidably can cause some to need not to report to the police sometimes and the awkward thing of reporting to the police takes place.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of use for family, special purpose production, office space, delay function can be set, be had to alarm content contact time-delay cipher anti theft alarm is provided.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of contact time-delay cipher anti theft alarm contains the body that is made of cover plate, drain pan, keyboard, hummer outer cover, appliance circuit plate, hummer, it is characterized in that, includes microswitch and timing relay; Described drain pan is a bathtub construction, and the inside is equipped with appliance circuit plate, keyboard, and described cover plate is a bathtub construction, and the surface of cover plate is provided with the hummer outer cover and holds the perforate of keyboard; Cover plate is connected with the joint construction of drain pan by periphery, and keyboard, appliance circuit plate are fixed in the bathtub construction; The appliance circuit plate is provided with timing relay, coil, timing relay normally closed contact, normally closed contact, normally opened contact, hummer, timing relay normally opened contact, the position of the corresponding hummer outer cover in the position of hummer, the position of the corresponding lid surface perforate in the position of keyboard, the appliance circuit plate is connected with microswitch by lead;
Described microswitch is the socket type microswitch, constitute by actuation button, microswitch panel, microswitch inner panel, microswitch base plate, have square hole in the middle of the microswitch panel, the actuation button that is arranged on the microswitch inner panel is embedded in the square hole, actuation button is connected with two copper sheets, and the microswitch base plate is provided with two springs, and spring is connected with copper sheet on the microswitch inner panel, the microswitch base plate links to each other with the microswitch panel by screw, in the middle of the microswitch inner panel is set in.
Described timing relay comprises first timing relay and second timing relay.
Described drain pan, cover plate are rectangle flute profile structure.
Described keyboard is 12 key boards, is provided with 0～9 10 numeric keys and two function keys: " key key " (acknowledgement key), " X " key (cancel key).
Described coil comprises first coil, second coil.
Described microswitch is L shaped socket type microswitch.
The course of work of the utility model contact time-delay cipher anti theft alarm is:
The alarm body is contained in the relevant position of door (window), again the microswitch of alarm is embedded in the slit of door and opening one side (latch position) of doorframe, window and window frame, outstanding actuation button is towards door (window), with lead microswitch is connected with the alarm body, the unlatching of door (window) will touch the actuation button on the microswitch.
In the moment that door (window) is opened, actuation button is touched, microswitch transfers normally off to from normally open, turn-on current immediately, start timing relay pick up counting (timing time can artificially be set), if the correct password of input can be cancelled warning in timing time, if there is not the password bad of input or input, hummer will be activated and report to the police.
Good effect of the present utility model is:
(1) delay function is arranged, can remove unnecessary warning.
(2) installation is hidden, can not destroyed easily.
(3) volume is small and exquisite, installs simply, can parameter is set and install according to different requirement of client, and is easy to use.
[description of drawings]
Accompanying drawing 2 is STRUCTURE DECOMPOSITION synoptic diagram of contact time-delay cipher anti theft alarm body;
Accompanying drawing 5 is circuit diagrams of timing relay work;
Accompanying drawing 6 is circuit diagrams that keyboard input, password are revised, detect, unblank and carried out;
Accompanying drawing 7 is that password is revised circuit diagram;
Accompanying drawing 8 is warning circuit figure;
Accompanying drawing 9 is that alarm times detects and lock-in circuit figure;
Accompanying drawing 10 is power circuit diagrams;
Accompanying drawing 11 is to have a power failure to detect and electronic switch commutation circuit figure;
Accompanying drawing 12 is accumulator automatic charger figure.
Label shown in the figure is respectively:
1, cover plate, 2, drain pan, 3, keyboard, 4, the hummer outer cover, 5, appliance circuit plate, 6, first coil, 7, first timing relay, 8, the timing relay normally closed contact, 9, normally closed contact, 10, second timing relay, 11, normally opened contact, 12, second coil, 13, hummer, 14, the timing relay normally opened contact, 15, microswitch, 16, actuation button, 17, the microswitch panel, 18, the microswitch inner panel, 19, microswitch base plate, 20, spring, 21, copper sheet.
[embodiment]
Provide embodiment of the present utility model below in conjunction with accompanying drawing.
Referring to accompanying drawing 1,2 and 3.A kind of contact time-delay cipher anti theft alarm, contain the body that constitutes by cover plate 1, drain pan 2, keyboard 3, hummer outer cover 4, appliance circuit plate 5, hummer 13, and microswitch 15, actuation button 16 and timing relay---comprise first timing relay 7 and second timing relay 10.
Referring to attached Fig. 1 and 2.Described drain pan 2 and cover plate 1 can be made rectangle flute profile structure, are convenient to inserting of keyboard 3 and appliance circuit plate 5, consider from angle attractive in appearance, also can do circularly or oval-shaped, and the shape of keyboard 3 and appliance circuit plate 5 also will make corresponding changes thereupon; Drain pan 2 and cover plate 1 can adopt the engineering plastics compression molding, also can adopt organic glass to make; The surface of cover plate 1 is provided with hummer outer cover 4 and holds the perforate of keyboard 3 buttons, and cover plate 1 is connected by its peripheral joint construction with drain pan 2, can fix with screw again, keyboard 3, appliance circuit plate 5 is fixed in the bathtub construction of drain pan 2 and cover plate 1.
Electric components such as above-described timing relay, coil and hummer 13, keyboard 3 can be selected the existing product on the market.
Referring to accompanying drawing 3 and 4.Microswitch 15 is a socket type microswitch that profile is L-shaped, L shaped effect is to be convenient to embedded installation, by actuation button 16, microswitch panel 17, microswitch inner panel 18, microswitch base plate 19 constitutes, have square hole in the middle of the microswitch panel 17, the actuation button 16 that is arranged on the microswitch inner panel 18 is embedded in the square hole, actuation button 16 connects two copper sheets 21, microswitch base plate 19 is provided with two springs 20, spring 20 contacts with copper sheet 21 on the microswitch inner panel 18, microswitch base plate 19 links to each other with microswitch panel 17 by screw, in the middle of microswitch inner panel 18 is set in.
Being connected to of each components and parts of the utility model: microswitch 15 → timing relay → logical circuit password input → hummer 13.When door (window) when opening, shake-up is contained in the actuation button 16 on the microswitch 15 in the crack between a door and its frame, make microswitch 15 be converted to normally off from normally open, turn-on current, the current lead-through timing relay picks up counting, if can cancel warning by the correct password of logical circuit PIN PAD input in the time of timing, if there is not the password bad of password input or input, hummer 13 will be activated and report to the police.
Circuit of the present utility model is described by following circuit diagram.
Referring to accompanying drawing 5.Adopted two timing relays in circuit of the present utility model, as the J2 among Fig. 5, J3, the effect of J2 is time expand, for the input password is prepared the time, the effect of J3 be reasonable time hummer 13 is started working after, disconnect main circuit, hummer 13 is quit work.0V among the figure is the power-level, and SB is a pushbutton switch, and K1, K2 are relay coil, and other K1, J2 are that normally opened contact, other K2, J3 are normally closed contact.
Referring to accompanying drawing 6.Cryptochannel of the present utility model is made up of the two large divisions: cipher lock circuit and standby power supply (UPS), it is to lose efficacy because of power failure causes cipher lock circuit in order to prevent that ups power is set.Cipher lock circuit comprises: keyboard input, password modification, password detection, unlock circuit, executive circuit, warning circuit, the defeated number of times lock-in circuit of keyboard.
Referring to accompanying drawing 7.Password modification circuit of the present utility model is made up of double-point double-throw switch S1～S4, and it is the modification that utilizes the principle realization password of switch switching.For example wanting setting code is 1458, can toggle switch S1 left, S2 to the right, S3 left, S4 can realize the modification of password to the right, because the password of input will also just have been realized the verification of password through the selection of S1～S4.This circuit has 16 groups password can supply to revise.
(two JK flip-flop comprise IC1～IC4) and form the password testing circuit by two 74LS112.Because IC1 is in count status, after the user presses first correct password, CLK brings out and has showed a negative negative edge, the IC1 counting, and the Q end is output as high level, the user presses effective password successively, IC2～IC3 also exports high level successively, sends into and door IC5, and the high level signal that its output is unblanked is sent to 2 pin of IC13, the executive circuit action realizes unblanking.
Executive circuit is made of the Darlington transistor that one 555 monostable circuit (IC13) and T10, T11 form.If 2 pin of IC13 are imported a high level, then 3 pin output high level makes T10, T11 conducting, and solenoid valve is opened, realization is opened the door, and the D5 (green LED) that connects on the T10 collector is shinny simultaneously, and expression is opened the door, after 20 seconds, the upset of 555 circuit states, solenoid valve quits work, with economize on electricity.Wherein the capacitor C 24 of solenoid valve parallel connection is in order to improve the moment of solenoid valve.
Referring to accompanying drawing 8.Warning circuit of the present utility model comprises two parts: time-delay in 2 minutes and 40 seconds delay circuits.When the user began to input password, circuit began timing in 2 minutes, and when exceeding 40 seconds, circuit begins 80 seconds warning.
When the people walks close to door (window), (the TP end is fixed on the keyboard to have touched the TP end, its sensitivity is very high, guarantee that circuit triggers reliably), because human body self is charged, make 2 pin of IC10 low level occur, the state that causes IC10 overturns, its 3 pin output high level, T5 conducting (can control the base current of T1) by R12, the yellow light-emitting diode D3 that its collector connects is luminous, and the expression electronic lock is ready, T6 ends, C4 begin by R14 charging (duration of charging is 40 seconds, and input the time of password for the user this moment, promptly the user input time of password can not be above 40 seconds, otherwise circuit just begins to report to the police), IC11 begins to enter 40 seconds state of time-delay.
Begin to report to the police: when the time of the password bad of user's input or input password surpasses 40 seconds, the 2 pin current potentials of IC11 descend along with the charging of C4, when current potential drops to 1/3Vcc (when time-delay finished in 40 seconds), 3 pin become noble potential (being low level during time-delay), make (effect of R15 is that the conducting electric current for restricted T 7 prevents the excessive triode that burns of electric current) T7 conducting by R15, the red light emitting diodes D4 that connects on its collector is shinny, represent the current alarm condition that is in, T8 is conducting thereupon also, make the hummer sounding, realize reporting to the police.
Stop to report to the police: when the time of fire alarming that has reached 80 seconds, capacitor C 5 discharges that 6,7 pin of IC10 connect finish, and 3 pin of IC10 become low level, T5 ends, the T6 conducting, and the mandatory circuit that makes is in stable state, the 3 pin output low levels of IC11 are ended T7, T8, and hummer stops to report to the police; Perhaps the password of user's input is correct, removes alerting signal by the output of the T10 collector in the unlock circuit and delivers to T13 (PNP), and the T13 conducting is forced to make the T7 base stage to electronegative potential, removes alerting signal.
Referring to accompanying drawing 9.Surpass 3 times if the user operates continuous error, circuit will lock 5 minutes.Its principle of work is: when the number of times of circuit alarm surpasses 3 times, 3 digit counters that are made of IC9 (74161) will produce carry, be sent to 74161 clear terminal by IC7 output reset signal, count again realizing.Through IC8 (with door), deliver to 2 pin of IC12 (555), the high level lock pulse (its pulse can be calculated by formula T=1.1RC) that 3 pin were produced 5 minutes, through the T9 paraphase, send IC6 input end, make the IC6 output low level, IC13 can not be unblanked, to the purpose of locking.
Referring to accompanying drawing 10.Be the generation of prevention power-off condition, circuit of the present utility model has ups power, and it is by comprising that mains-supplied circuit, power cut detection circuit, electronic switch commutation circuit, battery charging circuit and accumulator form.
The 220V civil power becomes the alternating current of 12V by transformer B transformation, passes through the rectifier bridge rectification again, and 7805 voltage stabilizings are sent to the electronics commutation circuit to 5V, because this circuit power consumption is little, can select the miniature transformer of 10W for use.
Referring to accompanying drawing 11.Constitute voltage comparator by R8, R9, R6, R7 and IC14, under the normal condition, V+＜V-IC14 exports high level, and the normally closed contact of relay links to each other with civil power; When civil power disconnects, V+＞V-IC14 exports high level, and the Darlington transistor that is made of T3, T4 is opened relay J, and it is often opened electric shock accumulator is linked to each other with circuit, realize civil power and battery-driven switching, guarantee the operate as normal (duration decides on battery capacity) of electronic password lock.
Referring to accompanying drawing 12.T1, T2 constitute the automatic charger of accumulator, and wherein D1 is the charging indication, and D2 is the work indication; Constitute voltage detecting circuit by R4, R5, T1, battery tension is low, and then T1, T2 conducting realizes charging; After charging was full, T1, T2 stopped charging automatically, and D1 extinguishes simultaneously; The effect of C4 is a filtering interference signals in the circuit.
Claims (6)
1, a kind of contact time-delay cipher anti theft alarm contains the body that is made of cover plate, drain pan, keyboard, hummer outer cover, appliance circuit plate, hummer, it is characterized in that, includes microswitch and timing relay; Described drain pan is a bathtub construction, and the inside is equipped with appliance circuit plate, keyboard, and described cover plate is a bathtub construction, and the surface of cover plate is provided with the hummer outer cover and holds the perforate of keyboard; Cover plate is connected with the joint construction of drain pan by periphery, and keyboard, appliance circuit plate are fixed in the bathtub construction; The appliance circuit plate is provided with timing relay, coil, timing relay normally closed contact, normally closed contact, normally opened contact, hummer, timing relay normally opened contact, the position of the corresponding hummer outer cover in the position of hummer, the position of the corresponding lid surface perforate in the position of keyboard, the appliance circuit plate is connected with microswitch by lead;
Described microswitch is the socket type microswitch, constitute by actuation button, microswitch panel, microswitch inner panel, microswitch base plate, have square hole in the middle of the microswitch panel, the actuation button that is arranged on the microswitch inner panel is embedded in the square hole, actuation button is connected with two copper sheets, and the microswitch base plate is provided with two springs, and spring is connected with copper sheet on the microswitch inner panel, the microswitch base plate links to each other with the microswitch panel by screw, in the middle of the microswitch inner panel is set in.
2, contact time-delay cipher anti theft alarm according to claim 1 is characterized in that described timing relay comprises first timing relay and second timing relay.
3, contact time-delay cipher anti theft alarm according to claim 1 is characterized in that described drain pan, cover plate are rectangle flute profile structure.
4, contact according to claim 1 time-delay cipher anti theft alarm is characterized in that described keyboard is 12 key boards,---acknowledgement key, " X " key---cancel key that is provided with 0～9 10 numeric keys and two function keys: " key key ".
5, contact time-delay cipher anti theft alarm according to claim 1 is characterized in that described coil comprises first coil, second coil.
6, contact time-delay cipher anti theft alarm according to claim 1 is characterized in that described microswitch is L shaped socket type microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201520836U CN201278176Y (en) | 2008-08-18 | 2008-08-18 | Contact type time-delay cipher code anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201520836U CN201278176Y (en) | 2008-08-18 | 2008-08-18 | Contact type time-delay cipher code anti-theft alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201278176Y true CN201278176Y (en) | 2009-07-22 |
Family
ID=40895763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201520836U Expired - Fee Related CN201278176Y (en) | 2008-08-18 | 2008-08-18 | Contact type time-delay cipher code anti-theft alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201278176Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941837A (en) * | 2012-10-24 | 2013-02-27 | 丽水职业技术学院 | Car start control device with coded lock |
| CN103193128A (en) * | 2013-04-17 | 2013-07-10 | 昆明地标机电设备有限公司 | Safety protection system of construction elevator |
| CN106157495A (en) * | 2016-08-22 | 2016-11-23 | 常州市武进华瑞电子有限公司 | Simple burglar alarm |
-
2008
- 2008-08-18 CN CNU2008201520836U patent/CN201278176Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941837A (en) * | 2012-10-24 | 2013-02-27 | 丽水职业技术学院 | Car start control device with coded lock |
| CN102941837B (en) * | 2012-10-24 | 2015-03-11 | 丽水职业技术学院 | Car start control device with coded lock |
| CN103193128A (en) * | 2013-04-17 | 2013-07-10 | 昆明地标机电设备有限公司 | Safety protection system of construction elevator |
| CN106157495A (en) * | 2016-08-22 | 2016-11-23 | 常州市武进华瑞电子有限公司 | Simple burglar alarm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203742293U (en) | Smart electronic lock | |
| CN201278176Y (en) | Contact type time-delay cipher code anti-theft alarm | |
| CN205046973U (en) | Smart home systems's timing type warning anti -theft device | |
| CN205621196U (en) | Multi -functional door magnetism alarm | |
| CN201794388U (en) | Anti-theft and waterproof gate lock | |
| CN204983965U (en) | Smart home systems's burglar alarm entrance guard device | |
| CN206639345U (en) | A kind of intelligent doorbell | |
| CN204983967U (en) | Warning triggering mechanism of smart home systems's timing type warning anti -theft device | |
| CN204965646U (en) | Security protection device opened is unusually prevented to intelligence house | |
| CN204983964U (en) | Pole touch intelligence is type warning anti -theft device regularly | |
| CN106781226A (en) | A kind of intelligent doorbell | |
| CN204983966U (en) | Rod -type contact triggering mechanism of intelligence house entrance guard device | |
| CN204965645U (en) | Triggering mechanism of security protection device that intelligence house prevents opening unusually | |
| CN204965644U (en) | Triggering mechanism of intelligence household security device | |
| CN205046974U (en) | Gliding intelligent anti -theft device of regularly reporting to police in pole touch location | |
| CN205036182U (en) | Intelligence household security device | |
| CN204983968U (en) | Rod -type slide orientation contact triggering mechanism of intelligence house entrance guard device | |
| CN105178723A (en) | Timing type alarm antitheft device of intelligent housing system | |
| CN111502423A (en) | Anti-theft lockhole-free electromagnetic door lock opened based on remote mobile phone remote control | |
| CN200993812Y (en) | Room door alarm device | |
| CN211622979U (en) | Eight-bit digital coded lock circuit | |
| CN201687284U (en) | Alarming lock | |
| CN201687295U (en) | Building anti-theft alarm remote opening system | |
| CN204983963U (en) | Warning triggering mechanism of smart home systems's burglar alarm entrance guard device | |
| CN220748054U (en) | Multifunctional household burglary-resisting door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20120818 |