CN111764760A

CN111764760A - Anti-theft door lock system

Info

Publication number: CN111764760A
Application number: CN202010683162.5A
Authority: CN
Inventors: 高子泉; 高薪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-10-13

Abstract

The invention discloses a security door lock system, which comprises a door lock and a control device, wherein the door lock is a mechanical security door lock opened by a key, and an electromagnetic locking device is arranged on a bolt or a bolt connecting rod of the door lock; a remote control device electrically connected with the control device is arranged on a handle of the key, and the remote control device is connected with the control device in a card induction, radio or infrared mode; the electromagnetic locking device comprises a first electromagnet and a hole in the lock tongue or a hole in the lock tongue connecting rod, and the moving iron does not hinder the operation of the lock tongue or the lock tongue connecting rod when retracting. The invention has reasonable design, simple structure and easy manufacture, adopts a mechanical and electronic combined structure and adopts a plurality of combined password unlocking modes of mechanical keys, card swiping, radio and infrared rays, so that the invention can not be unlocked in any mode, illegal persons can not decipher the lock, and the safety performance of the door lock is greatly improved.

Description

Anti-theft door lock system

Technical Field

The invention relates to the technical field of anti-theft door locks, in particular to an anti-theft door lock system.

Background

The common anti-theft door locks mainly comprise common key locks, card swiping type door locks, coded locks and fingerprint locks, the safety performance of the door locks is improved to a certain extent, the door locks can be opened by any mode, and the door locks can be opened only by decoding any one of the door locks by illegal persons, so that great potential safety hazards exist.

Disclosure of Invention

The invention aims to provide a security door lock system aiming at the defects in the prior art.

The technical scheme is as follows: the anti-theft door lock system comprises a door lock and a control device, wherein the door lock is a mechanical anti-theft door lock opened by using a key, and an electromagnetic locking device is arranged on a bolt of the door lock or a bolt connecting rod; the control device is arranged in the anti-theft door lock or on the outer side of the anti-theft door lock, a remote control device is arranged on a handle of the key, the electromagnetic locking device is electrically connected with the control device, and the remote control device is connected with the control device in one or more modes of card induction, radio and infrared rays; the electromagnetic locking device comprises a first electromagnet and a hole in the lock tongue or a hole in the lock tongue connecting rod, wherein the moving iron of the first electromagnet is of a round shaft structure, a cuboid structure or a cuboid structure with an inclined plane at the outer end and can be inserted into and drawn out of the hole in the lock tongue or the hole in the lock tongue connecting rod; or the first electromagnet is arranged at the bolt or the bolt connecting rod, the bolt or the bolt connecting rod can be clamped when the moving iron extends out, and the moving iron retracts without interfering with the operation of the bolt or the bolt connecting rod.

The remote control device comprises a battery, a coding circuit, one or more of an induction card, a transmitting circuit and a fingerprint sensor which are arranged in a key handle; the battery is connected with the power supply end of the coding circuit and one or more power supply ends of the transmitting circuit and the fingerprint sensor, and the output end of one or two of the coding circuit and the fingerprint sensor is connected with the input end of the transmitting circuit; the coding circuit is at least provided with two keys, and the keys and the fingerprint sensor are arranged on the outer side surface of the key handle; the transmitting circuit is a radio transmitting circuit or an infrared transmitting circuit; an optical channel is arranged in the key rod of the key along the length direction of the key rod, the section of the optical channel is a circular, rectangular or elliptical hole, optical fibers are filled in the hole, and the light-emitting end of the infrared light-emitting diode in the transmitting circuit is connected with the optical fibers.

The induction card is an IC card or an ID card.

The control device comprises one, two or three of a power supply module, a card induction module, a receiving and decoding module and a fingerprint identification module; when one of the card sensing module, the receiving and decoding module and the fingerprint identification module is applied, the output end of the power supply module is connected with the power supply end of the card sensing module, the receiving and decoding module or the fingerprint identification module, and the output end of the card sensing module, the receiving and decoding module or the fingerprint identification module is connected with the electromagnetic locking device; when the card sensing module and the receiving decoding module are applied, the output end of the power supply module is connected with the power supply end of the card sensing module or the receiving decoding module, the output end of the card sensing module or the receiving decoding module is connected with the power supply end of the receiving decoding module or the card sensing module, and the output end of the receiving decoding module or the card sensing module is connected with the electromagnetic locking device; when three of the card sensing module, the receiving and decoding module and the fingerprint identification module are applied, the modules are as follows: the intelligent card comprises a card induction module → a receiving and decoding module → a fingerprint identification module, a receiving and decoding module → a card induction module → a fingerprint identification module, a card induction module → a fingerprint identification module → a receiving and decoding module, a fingerprint identification module → a card induction module → a receiving and decoding module, a receiving and decoding module → a fingerprint identification module → a card induction module or a fingerprint identification module → a receiving and decoding module → a card induction module, namely, the output end of the front module is connected with the power end of the rear module, the power end of the front module is directly connected with a power supply module, the output end of the last module is connected with an electromagnetic locking device, and the other output end of the receiving and decoding module is connected with an alarm loudspeaker.

The receiving and decoding module consists of a receiving circuit and a decoding circuit, and the output end of the receiving circuit is connected with the input end of the decoding circuit; the receiving circuit is a radio receiving circuit or an infrared receiving circuit, and when the receiving circuit is the infrared receiving circuit, a photoelectric tube of the infrared receiving circuit is arranged in a key hole of the door lock; the decoding circuit is a single chip circuit, and the single chip circuit is at least provided with three dial switches, at least one input end and at least two output ends.

The anti-theft door lock is characterized in that an electrically-driven protective device is arranged on a key hole of the anti-theft door lock and comprises a second electromagnet and a baffle, one end of the baffle is connected with one end of a spring, the other end of the spring is fixed on the anti-theft lock body, the other end of the baffle is connected with a moving iron of the second electromagnet, the second electromagnet is fixed on the anti-theft lock body, a through hole is formed in the baffle, the through hole is far away from the key hole under the action of the spring when the second electromagnet is static, and the baffle can be driven to move to enable the through.

The anti-theft door lock system can be integrated with an anti-theft door, wherein an electric drive protection device, an electromagnetic locking device and a control device are arranged on the anti-theft door or on the inner side or inside an interlayer of the anti-theft door; the door lock in the anti-theft door lock system can be an electric control lock, when the door lock is used as the electric control lock, the key is in a remote controller-shaped structure without a key rod, an optical channel and an infrared light-emitting diode, and a receiving circuit of a receiving and decoding module in the control device is a radio receiving circuit.

Compared with the prior art, the invention has the following advantages: the door lock has the advantages that the design is reasonable, the structure is simple, the manufacture is easy, the mechanical and electronic combined structure is formed by the electric driving protection device, the electromagnetic locking device and the control device, and the unlocking mode of various combined passwords of a mechanical key, a card swiping mode, a radio mode and an infrared mode is adopted, so that the door lock is not unlocked in any mode, illegal persons cannot decipher the door lock, and the safety performance of the door lock is greatly improved.

Drawings

FIG. 1 is a schematic structural view of a security door lock according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a key according to a first embodiment of the present invention;

FIG. 3 is an external schematic view of FIG. 2;

FIG. 4 is a block diagram of the circuitry of the key according to the first embodiment of the present invention;

FIG. 5 is a block circuit diagram of a control apparatus according to a first embodiment of the present invention;

FIG. 6 is a schematic structural view of a security door lock according to a second embodiment of the present invention;

FIG. 7 is a schematic view of a key according to a second embodiment of the present invention;

FIG. 8 is a block circuit diagram of a key according to a second embodiment of the present invention;

FIG. 9 is a block circuit diagram of a control device according to a second embodiment of the present invention;

FIG. 10 is a schematic view of a key in a third embodiment of the present invention;

FIGS. 11 and 12 are block circuit diagrams of a key according to a third embodiment of the present invention;

fig. 13 is a schematic view of a security door lock system of the present invention integrated with a security door.

Detailed Description

The first embodiment is as follows:

an antitheft door lock system comprises an antitheft door lock, a key and a control device, referring to figure 1, wherein an electrically driven protective device 4 is arranged on a key hole 11 of the antitheft door lock 1, an electromagnetic locking device 5 is respectively arranged on a bolt 12 of the antitheft door lock 1 and a top-bottom lock connecting rod (not shown in figure 1), a control device 3 is arranged in the antitheft door lock 1, and the electrically driven protective device 4 and the electromagnetic locking device 5 are electrically connected with the control device 3; the electrically-driven protection device 4 comprises a first electromagnet 41 and a baffle 42, one end of the baffle 42 is connected with one end of a spring 43, the other end of the spring 43 is fixed on the anti-theft lock body 1, the other end of the baffle 42 is connected with a moving iron of the first electromagnet 41, the first electromagnet 41 is fixed on the anti-theft lock body 1, a through hole 44 is formed in the baffle 42, the through hole 44 is far away from the key hole 11 under the action of the spring 43 when the first electromagnet 41 is static, and the baffle 42 can be driven to move to enable the through hole 44 to be aligned with the key hole 11 when the first electromagnet 41 is sucked. The electromagnetic locking device 5 comprises a second electromagnet 51 and a hole 52 on the bolt 12 or a connecting rod of a top-bottom lock (not shown in fig. 1), wherein the moving iron of the second electromagnet 51 is in a round shaft structure, a cuboid structure or a cuboid structure with an inclined plane at the outer end thereof, and can be inserted into and drawn out of the hole on the bolt 12 or the connecting rod of the bolt; or the second electromagnet 51 is arranged at the lock tongue 12, and the movable iron of the second electromagnet can clamp the lock tongue 12 when extending out, and does not hinder the operation of the lock tongue 12 when retracting.

Referring to fig. 2, 3 and 4, an induction card 22, a battery 23, a coding circuit 24, a transmitting circuit 25 and a key 26 are arranged in the handle 21 of the key 2, and the battery 23 is electrically connected with the coding circuit 24, the transmitting circuit 25 and the key 26 respectively; three keys 26 (for convenience of description of the embodiment, a first key, a second key and a third key are sequentially set from the upper side of the key) are arranged on one side surface of the key handle 21 and are respectively connected with three data input ends of the coding circuit 24, and a data output end of the coding circuit 24 is connected with an input end of the transmitting circuit 25; the transmission circuit 25 is a radio transmission circuit, the output of which is connected to an antenna, which can be replaced by a metal key-rod 29. The inductive card 22 is an IC card or an ID card.

Referring to fig. 5, the control device 3 includes a power module 31, a card swiping module 32, a receiving module 33, a control module 34, a delay module 35 and an alarm speaker 36; the power output end of the power module 31 is connected with the power end of the card swiping module 32, the control end of the card swiping module 32 is connected with the power end of the receiving control module 33, the power end of the control module 34 and the first electromagnet 41 in the electrically-driven protection device 4 through the delay module 35, the signal output end of the receiving module 33 is connected with the signal input end of the control module 34, the first control end of the control module 34 is connected with the alarm horn 36, and the second control end of the control module 34 is connected with the second electromagnet 51 in the electromagnetic locking device 5; the induction coil 321 of the card swiping module 32 is installed on the outer side surface of the security door, the card can be swiped conveniently, and the induction position can be induced with the induced card 22, and the antenna 331 of the receiving module 33 is led out of the security door by at least 1 cm. The receiving control module 33 is a radio receiving circuit, the control module 34 is a single chip circuit, three dial switches are arranged on the single chip circuit, a group of input ends are arranged on the single chip circuit and used for receiving signals of the receiving module 33, and two groups of output ends are arranged on the single chip circuit and used for controlling the attraction and release of the second electromagnet 51 in the electromagnetic locking device 5 and controlling the alarm horn 36. The induction card 22 in the handle 21 of the key 2 is connected with the induction coil 321 of the card swiping module 32 in an electromagnetic induction manner, and the transmitting circuit 25 in the handle 21 of the key 2 is electrically connected with the antenna 331 of the receiving module 33 in a wireless manner. The power module 31 is an uninterruptible power supply.

The working process of the embodiment: first, the values of three dial switches on the single chip circuit in the control module 34 are set (for example, the first dial switch is set to 1, the second dial switch is set to 2, and the third dial switch is set to 3), and the power module 31 is connected to the mains supply. At ordinary times, after the anti-theft door lock 1 locks the door, the bolt 12 of the anti-theft door lock 1 extends out, the moving iron of the second electromagnet 51 in the electromagnetic locking device 5 is inserted into the hole on the bolt 12 or the bolt connecting rod under the action of the spring of the moving iron, the bolt 12 is locked to retract, and at the moment, when the second electromagnet 51 does not act, the anti-theft door lock 1 cannot be unlocked even if a matched mechanical key is used; meanwhile, the first electromagnet 41 in the electrically-driven protection device 4 does not work, the baffle plate 42 of the electrically-driven protection device is reset under the action of the spring 43, the through hole 44 is far away from the key hole 11, the baffle plate 42 blocks the key hole 11, and the key 2 cannot be inserted into the through hole, so that the protection effect is achieved. When the door needs to be opened, firstly, the induction card 22 of the handle 21 of the key 2 is brushed at the induction coil 321 of the card brushing module 32, the control end of the card swiping module 32 is provided with output through electromagnetic induction to drive the time delay module 35 to be conducted, the first electromagnet 41 is attracted immediately, the baffle plate 42 is pulled against the action of the spring 43, the through hole 44 is overlapped with the key hole 11, the key rod 29 of the key 2 is inserted into the key hole 11 through the through hole 44 at the moment, then the three keys 26 arranged on the handle 21 of the key 2 are pressed in sequence (for example, the first key 1, the second key 2 and the third key 3, the secondary numerical value is the same as the numerical value of the three dial switches on the singlechip circuit in the control module 34), at this time, the second control end of the control module 34 drives the second electromagnet 51 in the electromagnetic locking device 5 to attract, the moving iron of the second electromagnet 51 is separated from the bolt 12 against the action of its own spring, and then the door lock can be opened by turning the key. In the working process, the delay time for driving the delay module 35 is set within 1 minute, and the attraction time of the second electromagnet 51 is set within 30 seconds. When the times and the sequence of pressing the three keys 26 on the handle 21 of the key 2 are wrong, the first control end of the control module 34 controls the alarm horn 36 to give an alarm, and locks the second electromagnet 51 to stop acting, so as to achieve the purpose of preventing illegal unlocking.

Example two:

referring to fig. 6, in this embodiment, on the basis of the first embodiment, an inductor 13 is disposed in a key hole 11 of a security door lock 1, and the inductor 13 is electrically connected to a control device 3. Other auxiliary structures are the same as the first embodiment.

Referring to fig. 7 and 8, an induction card 22, a battery 23, a coding circuit 24, a transmitting circuit 25 and a key 26 are arranged in a handle 21 of the key 2, an optical channel is arranged in a key rod of the key along the length direction of the key rod, and the battery 23 is electrically connected with the coding circuit 24, the transmitting circuit 25 and the key 26 respectively; three keys 26 (for convenience of description of the embodiment, a first key, a second key and a third key are sequentially set from the upper side of the key) are arranged on one side surface of the key handle 21 and are respectively connected with three data input ends of the coding circuit 24, and a data output end of the coding circuit 24 is connected with an input end of the transmitting circuit 25; the emitting circuit 25 is an infrared emitting circuit, and a light emitting tube 251 of the infrared emitting circuit is connected in the handle 21 and connected with the light channel 20. The inductive card 22 is an IC card or an ID card.

Referring to fig. 9, the control device 3 includes a power module 31, a card swiping module 32, a receiving module 33, a control module 34, a delay module 35 and an alarm speaker 36; the power output end of the power module 31 is connected with the power end of the card swiping module 32, the control end of the card swiping module 32 is connected with the power end of the receiving control module 33, the power end of the control module 34 and the first electromagnet 41 in the electrically-driven protection device 4 through the delay module 35, the signal input end of the receiving module 33 is connected with the inductor 13, the signal output end of the receiving module 33 is connected with the signal input end of the control module 34, the first control end of the control module 34 is connected with the alarm horn 36, and the second control end of the control module 34 is connected with the second electromagnet 51 in the electromagnetic locking device 5; the induction coil 321 of the card swiping module 32 is installed on the outer side surface of the security door, so that the card swiping is convenient and the position of induction with the induction card 22 can be generated. The receiving control module 33 is an infrared receiving circuit, the inductor 13 is a photodiode or a phototriode, the control module 34 is a single chip circuit, three dial switches are arranged on the single chip circuit, a group of input ends are arranged on the single chip circuit and used for receiving signals of the receiving module 33, and two groups of output ends are arranged on the single chip circuit and used for controlling the attraction and release of the second electromagnet 51 in the electromagnetic locking device 5 and controlling the alarm horn 36. The induction card 22 in the handle 21 of the key 2 is connected with the induction coil 321 of the card swiping module 32 in an electromagnetic induction way, and the luminous tube 251 of the transmitting circuit 25 in the handle 21 of the key 2 is connected with the inductor 13 of the receiving module 33 through the optical channel 20 by infrared rays. The power module 31 is an uninterruptible power supply.

Example three:

a security door lock system comprises a security door lock, a key and a control device, wherein the security door lock 1 and the accessory structure thereof are the same as those of the first embodiment or the second embodiment, and the structure refers to fig. 1 or fig. 6.

Referring to fig. 10, 11 and 12, an induction card 22, a battery 23, a transmitting circuit 25 and a fingerprint identification device 27 are arranged in a handle 21 of the key 2, a switch 28 is arranged on the side of the handle 21, and the battery 23 is electrically connected with the transmitting circuit 25 and the fingerprint identification device 27 through the switch 28 respectively; the data output end of the fingerprint identification device 27 is connected with the input end of the transmitting circuit 25; the inductive card 22 is an IC card or an ID card. The transmission circuit 25 is a radio transmission circuit, the output of which is connected to an antenna, which can be replaced by a metal key-rod 29. The transmitting circuit 25 can also be an infrared transmitting circuit, in which case a light channel is arranged in the key rod of the key along its length direction, and the light emitting tube 251 of the infrared transmitting circuit is connected in the handle 21 and with the light channel 20.

The control device 3 and its circuit connections in this embodiment are the same as those in the first and second embodiments, and refer to fig. 5 and 9.

The working process of the embodiment: the power supply module 31 is first connected to the mains supply. At ordinary times, after the anti-theft door lock 1 locks the door, the bolt 12 of the anti-theft door lock 1 extends out, the moving iron of the second electromagnet 51 in the electromagnetic locking device 5 is inserted into the hole on the bolt 12 or the bolt connecting rod under the action of the spring of the moving iron, the bolt 12 is locked to retract, and at the moment, when the second electromagnet 51 does not act, the anti-theft door lock 1 cannot be unlocked even if a matched mechanical key is used; meanwhile, the first electromagnet 41 in the electrically-driven protection device 4 does not work, the baffle plate 42 of the electrically-driven protection device is reset under the action of the spring 43, the through hole 44 is far away from the key hole 11, the baffle plate 42 blocks the key hole 11, and the key 2 cannot be inserted into the through hole, so that the protection effect is achieved. When the door needs to be opened, firstly, the induction card 22 of the handle 21 of the key 2 is brushed on the induction coil 321 of the card swiping module 32, the control end of the card swiping module 32 has output through electromagnetic induction, the time delay module 35 is driven to be conducted, then the first electromagnet 41 is attracted, the baffle plate 42 is pulled against the action of the spring 43, the through hole 44 is superposed with the key hole 11, the key rod 29 of the key 2 is inserted into the key hole 11 through the through hole 44 at the moment, then the switch 28 is started and the thumb is pressed on the fingerprint identification device 27, the fingerprint identification device 27 receives the fingerprint information at the moment and sends the fingerprint information to the control module 34 through the transmitting circuit 25, the control module 34 receives the information and compares the fingerprint information recorded in advance, if the information is matched with the fingerprint information, an execution instruction is sent out, the second control end of the control module drives the second electromagnet 51 in the electromagnetic locking device 5 to be attracted, the movable iron of the second electromagnet 51 overcomes the action of, the key is then turned to unlock the door lock and the switch 28 is closed after the door is opened. In the working process, the delay time for driving the delay module 35 is set within 1 minute, and the attraction time of the second electromagnet 51 is set within 30 seconds. When the fingerprint identification device 27 receives the fingerprint information and the comparison between the fingerprint information and the fingerprint information recorded in advance is incorrect, the control module 34 controls the first control end thereof to control the alarm loudspeaker 36 to give an alarm, and locks the second electromagnet 51 to stop acting, so as to achieve the purpose of preventing illegal unlocking.

Example four:

referring to fig. 13, the security door lock system of the present invention can be integrated with a security door, wherein the electrically driven protection device 4 is installed outside the security door or inside the interlayer thereof; the electromagnetic locking device 5 and the control device 3 are arranged as the first, second and third embodiments, the control device 3 is installed outside the security door or in the interlayer thereof, the electromagnetic locking device 5 can be additionally provided with a plurality of electromagnetic locks and electric control lock structures which are respectively installed between the inner side of the security door and the door frame, so that multipoint locking is formed, and the security and anti-theft performance is greatly improved; this embodiment is shown in FIG. 13.

The protection plate and the periphery of the induction coil 321 in the above embodiments should be made of non-magnetic materials, and the card swiping distance should be ensured to have good induction after installation, that is, the induction coil 321 should be close to the outer side surface of the security door 30 by a distance less than 5 cm, and the protection plate and the periphery thereof should be made of non-magnetic materials. The transmitting circuit 25 and the receiving module 33 described in the above embodiments may also adopt a bluetooth transmitting and receiving device.

The invention has reasonable design, simple structure and easy manufacture, adopts an electric driving protection device, an electromagnetic locking device and a control device to form a mechanical and electronic combined structure, adopts a plurality of unlocking modes of combining passwords of a mechanical key, card swiping, radio and infrared rays, ensures that the invention does not use any mode to unlock, ensures that illegal personnel cannot decipher, and greatly improves the safety performance of the door lock.

Claims

1. Theftproof lock system, including lock and controlling means, the mechanical pickproof lock of lock for utilizing the key to open, its characterized in that: an electromagnetic locking device is arranged on a bolt or a bolt connecting rod of the door lock; the control device is arranged in the anti-theft door lock or on the outer side of the anti-theft door lock, a remote control device is arranged on a handle of the key, the electromagnetic locking device is electrically connected with the control device, and the remote control device is connected with the control device in one or more modes of card induction, radio and infrared rays; the electromagnetic locking device comprises a first electromagnet and a hole in the lock tongue or a hole in the lock tongue connecting rod, wherein the moving iron of the first electromagnet is of a round shaft structure, a cuboid structure or a cuboid structure with an inclined plane at the outer end and can be inserted into and drawn out of the hole in the lock tongue or the hole in the lock tongue connecting rod; or the first electromagnet is arranged at the bolt or the bolt connecting rod, the bolt or the bolt connecting rod can be clamped when the moving iron extends out, and the moving iron retracts without interfering with the operation of the bolt or the bolt connecting rod.

2. The security door lock system according to claim 1, wherein: the remote control device comprises a battery, a coding circuit, one or more of an induction card, a transmitting circuit and a fingerprint sensor which are arranged in a key handle; the battery is connected with the power supply end of the coding circuit and one or more power supply ends of the transmitting circuit and the fingerprint sensor, and the output end of one or two of the coding circuit and the fingerprint sensor is connected with the input end of the transmitting circuit; the coding circuit is at least provided with two keys, and the keys and the fingerprint sensor are arranged on the outer side surface of the key handle; the transmitting circuit is a radio transmitting circuit or an infrared transmitting circuit; an optical channel is arranged in the key rod of the key along the length direction of the key rod, the section of the optical channel is a circular, rectangular or elliptical hole, optical fibers are filled in the hole, and the light-emitting end of the infrared light-emitting diode in the transmitting circuit is connected with the optical fibers.

3. The security door lock system according to claim 2, wherein: the induction card is an IC card or an ID card.

4. The security door lock system according to claim 1, wherein: the control device comprises one, two or three of a power supply module, a card induction module, a receiving and decoding module and a fingerprint identification module; when one of the card sensing module, the receiving and decoding module and the fingerprint identification module is applied, the output end of the power supply module is connected with the power supply end of the card sensing module, the receiving and decoding module or the fingerprint identification module, and the output end of the card sensing module, the receiving and decoding module or the fingerprint identification module is connected with the electromagnetic locking device; when the card sensing module and the receiving decoding module are applied, the output end of the power supply module is connected with the power supply end of the card sensing module or the receiving decoding module, the output end of the card sensing module or the receiving decoding module is connected with the power supply end of the receiving decoding module or the card sensing module, and the output end of the receiving decoding module or the card sensing module is connected with the electromagnetic locking device; when three of the card sensing module, the receiving and decoding module and the fingerprint identification module are applied, the modules are as follows: the intelligent card comprises a card induction module → a receiving and decoding module → a fingerprint identification module, a receiving and decoding module → a card induction module → a fingerprint identification module, a card induction module → a fingerprint identification module → a receiving and decoding module, a fingerprint identification module → a card induction module → a receiving and decoding module, a receiving and decoding module → a fingerprint identification module → a card induction module or a fingerprint identification module → a receiving and decoding module → a card induction module, namely, the output end of the front module is connected with the power end of the rear module, the power end of the front module is directly connected with a power supply module, the output end of the last module is connected with an electromagnetic locking device, and the other output end of the receiving and decoding module is connected with an alarm loudspeaker.

5. The security door lock system according to claim 4, wherein: the receiving and decoding module consists of a receiving circuit and a decoding circuit, and the output end of the receiving circuit is connected with the input end of the decoding circuit; the receiving circuit is a radio receiving circuit or an infrared receiving circuit, and when the receiving circuit is the infrared receiving circuit, a photoelectric tube of the infrared receiving circuit is arranged in a key hole of the door lock; the decoding circuit is a single chip circuit, and the single chip circuit is at least provided with three dial switches, at least one input end and at least two output ends.

6. The security door lock system according to claim 1, wherein: the anti-theft door lock is characterized in that an electrically-driven protective device is arranged on a key hole of the anti-theft door lock and comprises a second electromagnet and a baffle, one end of the baffle is connected with one end of a spring, the other end of the spring is fixed on the anti-theft lock body, the other end of the baffle is connected with a moving iron of the second electromagnet, the second electromagnet is fixed on the anti-theft lock body, a through hole is formed in the baffle, the through hole is far away from the key hole under the action of the spring when the second electromagnet is static, and the baffle can be driven to move to enable the through.

7. The security door lock system according to claims 1 to 6, wherein: the anti-theft door lock system can be integrated with an anti-theft door, wherein an electric drive protection device, an electromagnetic locking device and a control device are arranged on the anti-theft door or on the inner side or inside an interlayer of the anti-theft door; the door lock in the anti-theft door lock system can be an electric control lock, when the door lock is used as the electric control lock, the key is in a remote controller-shaped structure without a key rod, an optical channel and an infrared light-emitting diode, and a receiving circuit of a receiving and decoding module in the control device is a radio receiving circuit.