CN2446224Y - Electronic lock of anti-theft door - Google Patents

Abstract

The utility model relates to an electronic lock of an anti-theft door, which is composed of an electronic key composed of an encoding circuit and a signal transmitting circuit, an electronic lock core composed of a signal receiving circuit and a decoding circuit, a control circuit, an electric pin, a pin hole corresponding to the electric pin, and a mechanical mechanism with at least one lock bolt driven by a door handle to go in and out. The utility model adopts a non-contact unlocking mode, and simplifies the operating procedure of locking, unlocking and back locking an anti-theft door; the operating state of a lockset is indicated by an LED, so the utility model has strong anti-theft performance.

Description

A kind of security door electronic lock

The utility model relates to a kind of and uses electronic lock, and it is a kind of with the contactless startup of electron key more specifically to say so, and the door lock that the electronic lock cylinder that opens the door with door handle pulling dead bolt combines with mechanical mechanism is mainly used on the security door.

Along with developing rapidly of Urbanization in China, people also strengthen day by day to the antitheft consciousness of home safety, so various security doors also arise at the historic moment, and the mechanical lock that these security doors all are to use basically, theftproof performance is general, market some high-grade security doors occurred and has used the strong complicated lockset of theftproof performance in recent years, the use that has password, the same lockset that has uses many keys, its shortcoming is that key is inconvenient to carry, and the locking and unlocking operation is wasted time and energy very loaded down with trivial details, and in a single day these keys are lost, the user is difficult to be equipped with again, returns home safety and brings new hidden danger.

The purpose of this utility model, being provides a kind of theftproof strong, safer in order to overcome the deficiency of above-mentioned security door lockset, the security door electronic lock that the electronics of more convenient use simultaneously combines with machinery.

The utility model is realized by the following technical solutions: the electron key that it is made up of coding circuit and signal transmission circuit, the electronic lock cylinder of forming by signal receiving circuit and decoding circuit, control circuit, electronic pin and corresponding pin-and-hole thereof and have a dead bolt at least and drive the mechanical mechanism that dead bolt stretches out with indentation and constitute by door handle.It is characterized in that control circuit, mainly by triode BG2 and BG3, the time main components and parts such as base integrated package IC4, electromagnet L form unblank, lock circuit and form by the condition indication circuit of locking that resistance R 8 and light emitting diode D5 form.Wherein unblank, lock electrically connecting as of circuit: behind rolling code theft-proof remote control decoding integrated circuit IC2 output 13 pin series resistor R9, one the tunnel through resistance R 10 ground connection, another road connects the base stage of triode BG2, the colelctor electrode of BG2 is leaded up to and is connected the Vcc power supply behind the series resistor R11,2,6 pin of base integrated package IC4 when another road connects, be connected between the colelctor electrode and ground of BG2 the grounded emitter of BG2 after button K4 and capacitor C 3 are in parallel.8 pin of IC4 connect the Vcc power supply, its 4 pin one tunnel connects pull down resistor R12 to ground, be connected in series diode D6 between another road and IC2 output 6 pin, 5 pin of IC4 be connected in series capacitor C 4,1 pin ground connection, its output 3 pin, one road series resistor R13 and light emitting diode D7 are to ground, another road connects triode BG3 base stage through resistance R 14, resistance R 15 connects between BG3 base stage and the ground, the colelctor electrode one tunnel of BG3 is connected the Vcc power supply through electromagnet L with diode D8 shunt circuit, another Lu Yuqi emitter stage, between serial connection diode D9; The output 7 pin series resistor R8 and the light emitting diode D5 that wherein lock being connected to of condition indication circuit: IC2 arrive ground.

The utlity model has following advantage and good effect:

1, safe and reliable, electron key adopts digital rolling coding mode to produce password, and repetitive rate is extremely low, will not divulge a secret, and it is many electron key that the user can be equipped with use arbitrarily voluntarily, and when losing key, as long as be equipped with once again, the key of losing is promptly invalid;

2, easy to use, electron key need not remembered password, need not contact, and locks without key, and this lockset also has back locking function simultaneously, makes indoorly also can't unblank, and order is jumped the robber that window enters the room and also can't be gone out.This lockset can realize easily that also a plurality of are used a key, have simplified the operating process that security door is locked, locks, unblanked widely in addition;

3, the duty of this lockset is by diode displaying, and is succinct, understand dark tool hommization and modern sense;

4 therefore this lockset have stronger antitheft, the anti-function of robbing.Operation simultaneously is extremely easy, and manufacturing cost is not high, is fit to national conditions, popularizes easily.

Below in conjunction with drawings and Examples the utility model is further specified:

This Figure of description is totally two width of cloth, wherein Fig. 1 is the accompanying drawing that the circuit structure block diagram that dots and circuit theory diagrams combine, and the square frame 1,2,3,4,5 that dotted line is represented among the figure is respectively coding circuit, signal transmission circuit, signal receiving circuit, decoding circuit and the control circuit of the utility model embodiment.Coding circuit 1 and signal transmission circuit 2 are formed the electron key that the user carries, and signal receiving circuit 3 and decoding circuit 4 are formed electronic lock cylinder, and it is loaded on a certain shelter in the door-plate with control circuit 5; Wherein signal transmission circuit 3 and signal receiving circuit 4 can adopt electromagnetic wave or infrared rays etc. to transmit and receive mode, but are good with infrared rays, and present embodiment is selected infrared emission and infrared receiving circuit such as Fig. 1 for use.Signal output part 6 pin of electrically connecting as of infrared emission circuit: IC1 connect triode BG1 base stage through resistance R 1, connect battery B positive pole after BG1 collector series connection infrared-emitting diode D2 and the resistance R 2, and the BG1 emitter stage connects battery B negative pole; Electrically connecting as of infrared receiving circuit: infrared receiving diode D3, D3 ' positive pole connect the Vcc power supply, and through resistance R 3, R4 ground connection, another road connects the input of not gate F1, F2 respectively to negative pole one tunnel respectively, and the output of F1, F2 connects 18 pin of IC2.B is a battery among the figure, and K1 is a unlock button, and K2 is for locking button, and K3 is a learn button, and K4 is indoor unlock button and is located at the door-plate inner surface; IC1 is a rolling code theft-proof remote control coding integrated package, and selecting model for use is HCS301; IC2 is rolling code theft-proof remote control decoding integrated package, and selecting model for use is QLD138; IC3 is and the storage integrated package of IC2 cooperating that selecting model for use is TA93C48; Base integrated package when IC4 is, selecting model for use is NE555, and F1, F2 are non-gate ic, and selecting model for use is CD4069; BG1 is common triode, and BG2, BG3 are respectively common small-power and middle power switch triode; The common light emitting diode of coding emission indication when D1 is the electron key use, D2 is common infrared-emitting diode, D3, D3 ' are common infrared receiving diodes, be installed in respectively on the inside and outside surface of door-plate, D4 is that learning state is indicated common light emitting diode, and D5 indicates common light emitting diode for locking state, and the model that D6 selects for use is the 1N4148 diode, D7 is that unlocking condition is indicated common light emitting diode, and D8, D9 select 1N4007 type diode for use; C1, C2, C4 are common midget capacitor, and C3 is an electrolytic capacitor; R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 are common miniature resistance; L is an electromagnet.The Vcc dc source is provided with standby electric power that storage battery is formed behind step-down rectifier by civil power among the figure, because of belonging to prior art, does not do narration at this.The electrical connection of coding circuit 1, decoding circuit 4 as shown, because of being that prior art is also no longer described, the electrical connection front of control circuit 5 has been described no longer and has been repeated.

Fig. 2 comprises the frame for movement schematic diagram of electric execution element at interior the utility model embodiment blocking, L promptly is the electromagnet in the control circuit 5 among Fig. 1 among the figure, the 6th, electronic pin, the 7th, pin-and-hole, the 8th, spring, 9,9 ', 9 " be respectively horizontal dead bolt, vertically to upper lock tongue, vertical dead bolt downwards; the 10th, door handle, the 11st, T type support, the 12nd, T type bracket bearing; the 13rd, the chute in T type support 11 bottoms; the 14th, the chute support of bearing, the 15th, chute bearing, the 16th, the back-moving spring of T type support 11; 17,17 ', 17 " be three pins, the 18th, door-plate.Wherein electromagnet L and electronic pin 6 thereof all are located in the door-plate 18 the laterally tops of dead bolts 9, and they connect by spring 8 strands between the two, and pin-and-hole 7 is located on the dead bolt 9, and corresponding with electronic pin 6; The inner ring of the outer ring of door handle 10, T type bracket bearing 12 all is installed on the door-plate 18, T type support 11 is located in the door-plate, its upper beam center hole is set on the outer ring of this bracket bearing 12, back-moving spring 16 lies between door-plate 18 frames and T type support 11 bottoms, the chute support of bearing 14 promptly is the lever arm of door handle 10 in door-plate 18, the outer end of the inner ring of chute bearing 15 and this support 14 is connected, three pins 17,17 ', 17 " with three ends of T type support 11 respectively with three dead bolts 9,9 ', 9 " mutually strand connect.

Contrast Fig. 1 and Fig. 2 are described below operating principle of the present utility model: when the user when unblanking outdoors, in the about 1 meter coverage of door, when pressing the unlock button K1 of coding circuit 1 in the electron key, the code signal that IC1 produces exports infrared emission circuit 2 to by the 6th pin, and this unlocking signal sent (the luminous indication of D1 this moment), after infrared receiving circuit 3 in electronic lock cylinder receives reduction, 18 pin of IC2 in the input decoding circuit 4, after IC2 differentiates and handles, as being validated user: its output the 6th pin output self-locking high level signal enters control circuit 5, add to 4 pin of IC4 through diode D6, making this pin is high level; Its effective output 13 pin of decoding are also exported a high level pulse signal and are entered control circuit 5, make the BG2 saturation conduction through resistance R 9, capacitor C 3 is discharged rapidly through BG2, make 2 of IC4,6 pin are low level, this moment, 3 pin of IC4 were exported high level, this high level signal one tunnel drives through resistance R 13 unblanks to indicate light emitting diode D7 to light, another road makes the BG3 saturation conduction through R14, electromagnet L adhesive, electronic pin 6 among Fig. 2 comes out from pin-and-hole 7, clockwise rotate this moment about door handle 10 about 90 degree, the chute support of bearing 14 drives the motion in the same way thereupon in chute 13 of chute bearing 15, is that the center generation is counterclockwise rotated thereby promote T type support 11 with T type bracket bearing 12, and then drives dead bolt 9 left, dead bolt 9 ' downwards, dead bolt 9 " move upward; make in three dead bolt indentation door-plates 18, promptly open by pulling door handle door.The back backward rotation door handle 10 of entering, and under the double reaction plus of T type support back-moving spring 16, T type support 11 resets rapidly, make three dead bolts 9,9 ', 9 " stretch out simultaneously, the stretching out of dead bolt 9 puts in place and makes on it pin-and-hole 7 corresponding with electronic pin 6.The high level pulse signal of 13 pin of IC2 output at this moment is mistake, BG2 ends, power supply charges to C3 through R11, and 2, the 6 pin voltages of IC4 raise, the IC4 upset, its the 3rd pin recovers output LOW voltage, unblank to indicate light emitting diode D7 to extinguish, BG3 also ends, electromagnet L dead electricity, electronic pin 6 is discharged in the pin-and-hole 7, make door locking once more.At this moment when pressing indoor unlock button K4,2,6 pin of IC4 become electronegative potential, because the 6th pin of IC2 output at this moment is the self-locking high level signal, making the 4th pin of IC4 through D6 is high level, and 3 pin of IC4 will be exported high level, and this high level signal one tunnel makes through R13 unblanks to indicate light emitting diode D7 to light, another road makes the BG3 saturation conduction through R14, the electromagnet L adhesive of switching on, electronic pin 6 leaves pin-and-hole 7, and repeating as above to unblank to open the door action gets final product.

Be provided with in the utility model electron key and lock button K2, after pressing K2, this lock code signal by infrared emission and infrared reception reduction input to IC2 differentiate handle after, then output the 7th pin of IC2 is promptly exported a self-locking high level signal, this high level signal makes to lock through R8 indicates light emitting diode D5 to light, IC2 output 6 pin are exported a low level signal simultaneously, it is low level that this signal makes the 4th pin of IC4 through diode D6, indoor unlock button K4 was lost efficacy, finish back locking function, make and to open the door by K4 that the thief who allows the jumping window enter the chamber also can't open the door and walk out, and has more increased anti-theft security indoor.But press the unlock button K1 of electron key, will remove the state of locking voluntarily, for the user brings safety and convenient.

The utility model can use a plurality of electron keys, from the embodiment that provides, can join 6 at most, becomes validated user but all need learn to discern the rear, promptly becomes and can open the electron key that can lock.The study recognition methods is: after pressing learn button K3, learning state indication light emitting diode D4 lights, this moment, electronic lock cylinder was in learning state, press K1 and K2 button in the electron key respectively, the code signal that it emits, infrared receiving circuit 3 reception reduction through electronic lock cylinder input to decoding circuit 4, and decoding circuit 4 will store this password, confirm as legal key later on according to this.After finishing the study of all the other electron keys successively, press K3 and withdraw from learning state.Owing to possess this learning functionality, the user can be equipped with electron key voluntarily, when any electron key is lost, the electron key of Pei Beiing is as long as above learn once just to become the key of this lock again voluntarily, and that lose electron key will be invalid, stop the potential safety hazard of bringing to the house thus, improved safety.Above-mentioned functions, the large-scale production of returning factory offers convenience.

Claims (4)

1, a kind of security door electronic lock, it is by coding circuit (1), the electron key that signal transmission circuit (2) is formed, by signal receiving circuit (3), the electronic lock cylinder that decoding circuit (4) is formed, control circuit (5), electronic pin (6) and corresponding pin-and-hole (7) thereof, and have a dead bolt (9) at least and drive the frame for movement formation that dead bolt passes in and out by door handle (10), it is characterized in that control circuit (5), mainly by triode BG2 and BG3, time base integrated package IC4, main components and parts such as electromagnet L are formed unblanks and locks circuit and be made up of the condition indication circuit of locking that resistance R 8 and light emitting diode D5 form, wherein unblank and lock electrically connecting as of circuit: behind rolling code theft-proof remote control decoding integrated package IC2 output 13 pin series resistor R9, one the tunnel through resistance R 10 ground connection, another road connects the base stage of triode BG2, the colelctor electrode of BG2 is leaded up to and is connected the Vcc power supply behind the series resistor R11, when another road connects 2 of base integrated package IC4,6 pin, be connected between the colelctor electrode and ground of BG2 after button K4 and capacitor C 3 are in parallel, the grounded emitter of BG2,8 pin of IC4 connect the Vcc power supply, its 4 pin one tunnel connects pull down resistor R12 to ground, be connected in series diode D6 between another road and IC2 output 6 pin, 5 pin of IC4 be connected in series capacitor C 4,1 pin ground connection, its output 3 pin, one road series resistor R13 and light emitting diode D7 are to ground, another road connects triode BG3 base stage through resistance R 14, the BG3 base stage also is connected to resistance R 15 to ground, colelctor electrode one tunnel serial connection electromagnet L of BG3 and diode D8 shunt circuit are to the Vcc power supply, another road serial connection diode D9 ground connection, the BG3 grounded emitter; Lock being connected to of condition indication circuit: IC2 output 7 pin arrive ground through resistance R 8 sending and receiving optical diode D5.

2, security door electronic lock according to claim 1, it is characterized in that described signal transmission circuit (2) and signal receiving circuit (3) adopt infrared emission and infrared receiving circuit respectively, signal output part 6 pin of electrically connecting as of infrared emission circuit: IC1 connect triode BG1 base stage through resistance R 1, connect battery B positive pole after BG1 collector series connection infrared-emitting diode D2 and the resistance R 2, the BG1 emitter stage connects battery B negative pole; Electrically connecting as of infrared receiving circuit: infrared receiving diode D3, D3 ' positive pole connect the Vcc power supply, and through resistance R 3, R4 ground connection, another road connects the input of not gate F1, F2 respectively to negative pole one tunnel respectively, and the output of F1, F2 connects 18 pin of IC2.

3, security door electronic lock according to claim 1, it is characterized in that electromagnet L and electronic pin (6) thereof all be located in the door-plate the laterally top of dead bolt (9), and they twist between the two and are connected with spring (8), and pin-and-hole (7) is located on the dead bolt (9), and corresponding with electronic pin (6).

4, security door electronic lock according to claim 1, it is characterized in that it is provided with a horizontal dead bolt (9), one vertical upwards and a vertical downward dead bolt (9 ') and (9 ") totally three dead bolts; wherein door handle (10) drives the frame for movement of three dead bolts turnover; by the T type support of being located in the antitheft door-plate (11); T type bracket bearing (12); the chute (13) in the T type support; be connected in the chute support of bearing (14) of one and chute bearing (15) and T type support back-moving spring (16) formation that the one end is equipped with door handle, and three dead bolts (9), (9 '), (9 ") respectively with three ends of T type support (11) by three pins (17); (17 '); (17 ") are the company of strand mutually.

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