CN109750907B - Campus fingerprint intelligence lock system based on thing networking - Google Patents
Campus fingerprint intelligence lock system based on thing networking Download PDFInfo
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- CN109750907B CN109750907B CN201711092934.2A CN201711092934A CN109750907B CN 109750907 B CN109750907 B CN 109750907B CN 201711092934 A CN201711092934 A CN 201711092934A CN 109750907 B CN109750907 B CN 109750907B
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Abstract
The invention relates to a campus fingerprint intelligent door lock system based on the Internet of things, which comprises a system server and an intelligent door lock, wherein the intelligent door lock is in communication connection with the system server, and comprises a door lock control module, a lock cylinder mechanism, a door lock power device, a door lock remote communication module and a man-machine interaction module. The lock core mechanism comprises a columnar door bolt, a plurality of electromagnetic loose pin assemblies are arranged in the door bolt locking device, each electromagnetic loose pin assembly comprises an unlocking electromagnetic level and a locking electromagnetic level, a door bolt clamping pin is arranged between each unlocking electromagnetic level and each locking electromagnetic level, and the door bolt clamping pin is matched with a pin hole in the columnar door bolt. The man-machine interaction module comprises a fingerprint recognizer, a user inputs door opening fingerprint information to the door lock control module through the fingerprint recognizer, the system server sends a door opening key to the set smart phone, and the user opens the smart door lock by using the door opening key. The invention adopts the lock core with a plurality of electromagnetic loose pin components to control the movement of the bolt, and has the characteristic of high safety.
Description
Technical Field
The invention relates to an intelligent door lock system, in particular to a campus fingerprint intelligent door lock system based on the Internet of things, and belongs to the field of intelligent door locks.
Background
The intelligent door lock is an improved intelligent control door lock on the basis of a traditional mechanical lock, and has the characteristics of being more intelligent, simple and convenient in the aspects of user safety, identification and manageability. The intelligent door lock uses a non-mechanical key as a scheme for identifying the identity of a user, and is widely applied to places such as banks, government departments, hotels, school dormitories, residential quarters, villas, hotels and the like. The control scheme of the intelligent door lock realizes wireless data conversion and wireless control on hardware, mainly adopts a serial port module, has strong interface compatibility, and can realize conversion from a user serial port to a wireless network. The intelligent door lock can adopt a power supply scheme of a plurality of batteries, and is small in size and low in power consumption.
Disclosure of Invention
The campus fingerprint intelligent door lock system based on the Internet of things disclosed by the invention discloses a new scheme, and solves the problem of low safety of the existing scheme by adopting a lock cylinder with a plurality of electromagnetic loose pin assemblies to control the movement of a door bolt.
The campus fingerprint intelligent door lock system based on the Internet of things comprises a system server and an intelligent door lock, wherein the intelligent door lock is in communication connection with the system server, and comprises a door lock control module, a lock cylinder mechanism, a door lock power device, a door lock remote communication module and a man-machine interaction module. The lock core mechanism comprises a columnar bolt, the front end of the columnar bolt penetrates through a bolt channel of a bolt locking device and is inserted into a lock groove of a door frame to form a pin locking structure, a plurality of electromagnetic loose pin assemblies are arranged in the bolt locking device and comprise an unlocking electromagnetic level arranged above the bolt channel and a locking electromagnetic level arranged below the bolt channel, a bolt clamping pin is arranged between the unlocking electromagnetic level and the locking electromagnetic level, the bolt clamping pin is upwards separated from a pin hole in the corresponding position of the columnar bolt in the bolt channel under the attraction action of the unlocking electromagnetic level, the bolt clamping pin is downwards clamped into a pin hole in the corresponding position of the columnar bolt under the combined action of self gravity and the locking electromagnetic level, and a door lock power device drives the columnar bolt to reciprocate in the bolt channel to form an unlocking state or a locking state. The man-machine interaction module comprises a fingerprint recognizer, a user inputs door opening fingerprint information to the door lock control module through the fingerprint recognizer, the door lock control module sends information of a door opening key request to the system server through the door lock remote communication module according to the received door opening fingerprint information, the system server sends the door opening key to a set smart phone according to the received door opening key request information, and the user uses the received door opening key to open the smart door lock.
Furthermore, the intelligent door lock of this scheme still includes the induction system that opens the door, and the induction system that opens the door includes infrared induction transmitter, infrared induction receiver, is equipped with infrared induction transmitter on the terminal surface of column keeper front end, is equipped with infrared induction receiver on the position relative with column keeper front end terminal surface in the door frame locked groove, and the induction system that opens the door that will detect or the state information of closing the door sends for system server through the lock remote communication module.
Furthermore, the bolt bayonet lock of this scheme is single-ended open-ended tubular structure, and the bottom in the tubular structure is equipped with the iron disc, and the unblock electromagnetism level is the columnar structure, and the pinhole that the bolt bayonet lock breaks away from the columnar keeper relevant position in the bolt passageway under the suction effect of unblock electromagnetism level upwards overlaps the outside at the unblock electromagnetism level.
Furthermore, the bottom in the tubular structure of this scheme still is equipped with the exhaust hole, and the keeper bayonet lock is upwards overlapped and is established in the outside of unblock electromagnetism level, and the air in the keeper bayonet lock is through exhausting the hole.
Furthermore, the bolt bayonet lock of this scheme is high strength engineering plastics.
Furthermore, the door lock power device comprises a motor, a driving gear is arranged on an output shaft of the motor, the driving gear is meshed with a gear row structure on the rear end of the columnar bolt, and the output shaft of the motor drives the driving gear to drive the columnar bolt to reciprocate in the bolt channel to form an unlocking or locking state.
Furthermore, the system server of the scheme comprises a lock picking prevention alarm module, and the lock picking prevention alarm module sends out an alarm signal through an external audible and visual alarm according to the abnormal information of the state of the intelligent door lock.
Furthermore, the intelligent door lock further comprises a key error alarm module, and the key error alarm module sends alarm signals to the system server through the door lock remote communication module after sending the alarm signals through the external audible and visual alarm according to the received error key information.
Furthermore, the system server of the scheme further comprises a hacker alarm module, the hacker alarm module sends unlocking sequence information to a set smart phone according to the received door opening key information, a user inputs the unlocking sequence information through a touch screen of the man-machine interaction module, the door lock control module unlocks in sequence according to the received unlocking sequence information, a contact sensor is arranged on a touch end of an unlocking electromagnetic level and a door bolt clamping pin, the contact sensor sends an unlocking sequence signal to the hacker alarm module through the door lock remote communication module according to a trigger signal, and the hacker alarm module sends an alarm signal through an external acousto-optic alarm according to the received information that the unlocking sequence signal is inconsistent with the unlocking sequence information.
Furthermore, 6 or 7 or 8 or 9 or 10 electromagnetic loose pin assemblies which are arranged at equal intervals along the axial direction of the bolt channel are arranged in the bolt locking device of the scheme.
The campus fingerprint intelligent door lock system based on the Internet of things controls the movement of the door bolt by adopting the lock cylinder with the electromagnetic loose pin assemblies, and has the characteristic of high safety.
Drawings
Fig. 1 is a schematic diagram of the campus fingerprint intelligent door lock system based on the internet of things.
FIG. 2 is a schematic diagram of one embodiment of a lock cylinder mechanism.
Figure 3 is a schematic view of a second embodiment of a lock cylinder mechanism.
Fig. 4 is a schematic diagram of a third embodiment of a lock cylinder mechanism.
FIG. 5 is a schematic view of a fourth embodiment of a lock cylinder mechanism.
FIG. 6 is a schematic view of a fifth embodiment of a lock cylinder mechanism.
FIG. 7 is an assembled schematic view of an electromagnetic loose pin assembly.
Wherein 210 is a columnar bolt, 221 is an unlocking electromagnetic level, 222 is a locking electromagnetic level, 223 is a bolt bayonet, and 310 is a driving gear.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the invention is a schematic diagram of a campus fingerprint intelligent door lock system based on the internet of things. The campus intelligent door lock system based on the Internet of things comprises a system server and an intelligent door lock, wherein the intelligent door lock is in communication connection with the system server, and comprises a door lock control module, a lock cylinder mechanism, a door lock power device, a door lock remote communication module and a man-machine interaction module.
The lock core mechanism comprises a columnar bolt, the front end of the columnar bolt penetrates through a bolt channel of a bolt locking device and is inserted into a lock groove of a door frame to form a pin locking structure, a plurality of electromagnetic loose pin assemblies are arranged in the bolt locking device and comprise an unlocking electromagnetic level arranged above the bolt channel and a locking electromagnetic level arranged below the bolt channel, a bolt clamping pin is arranged between the unlocking electromagnetic level and the locking electromagnetic level, the bolt clamping pin is upwards separated from a pin hole in the corresponding position of the columnar bolt in the bolt channel under the attraction action of the unlocking electromagnetic level, the bolt clamping pin is downwards clamped into a pin hole in the corresponding position of the columnar bolt under the combined action of self gravity and the locking electromagnetic level, and a door lock power device drives the columnar bolt to reciprocate in the bolt channel to form an unlocking state or a locking state.
The man-machine interaction module comprises a fingerprint recognizer, a user inputs door opening fingerprint information to the door lock control module through the fingerprint recognizer, the door lock control module sends information of a door opening key request to the system server through the door lock remote communication module according to the received door opening fingerprint information, the system server sends the door opening key to a set smart phone according to the received door opening key request information, and the user uses the received door opening key to open the smart door lock. The electromagnetic movable pin assemblies are numbered, all unlocking electromagnetic levels are controlled to attract the bolt clamping pins out of the pin holes of the bolt, and the door lock power device is used for driving the bolt to enter and exit in the bolt channel, so that unlocking or locking is realized. In order to ensure that the movement of the bolt is accurate and in place, the door lock power device comprises a motor, a driving gear is arranged on an output shaft of the motor, the driving gear is meshed with a gear row structure on the rear end of the columnar bolt, and the output shaft of the motor drives the driving gear to drive the columnar bolt to reciprocate in a bolt channel to form an unlocking or locking state.
According to the scheme, the lock core with the plurality of electromagnetic loose pin assemblies is adopted to control the movement of the door bolt, the door bolt can be locked by selecting any combination from the plurality of electromagnetic loose pin assemblies, the firmness of the door lock is enhanced, and conditions are created for realizing the randomness and any combination of the coding of the door opening secret key. Based on the scheme, the bolt locking device is preferably provided with 6 or 7 or 8 or 9 or 10 electromagnetic loose pin assemblies which are arranged along the axial direction of the bolt channel at equal intervals, the electromagnetic loose pin assemblies can be combined randomly according to the set algorithm of the server to realize locking or unlocking, corresponding door opening keys (passwords) can be generated based on the state, the safety of the randomly generated keys is higher, and the phenomenon of abnormal unlocking can be basically avoided by matching with the fixed keys of the door lock and using the keys at the same time.
In order to monitor the opening and closing of the door, a basis is provided for resetting the key by the server, the intelligent door lock further comprises a door opening sensing device, the door opening sensing device comprises an infrared sensing transmitter and an infrared sensing receiver, the infrared sensing transmitter is arranged on the end face of the front end of the columnar door bolt, the infrared sensing receiver is arranged in the position, opposite to the end face of the front end of the columnar door bolt, of the door frame lock groove, and the door opening sensing device sends detected door opening or door closing state information to the system server through the door lock remote communication module. The system server resets the door opening key according to one cycle of opening and closing the door and sends the door opening key to the intelligent door lock as the key for opening the door next time.
In order to improve the response sensitivity of electromagnetism loose pin subassembly, reduce the probability of mechanism trouble, this scheme has adopted the design that reduces keeper bayonet lock weight and reduce mechanism space, as shown in fig. 2 ~ 7, specifically it is single open-ended tubular structure that the keeper bayonet lock is, bottom in the tubular structure is equipped with the iron disc, the unblock electromagnetism level is the columnar structure, the pinhole that the keeper bayonet lock breaks away from on the columnar keeper relevant position in the keeper passageway under the suction effect of unblock electromagnetism level is upwards established in the outside at unblock electromagnetism level. Namely, the iron disc is attracted under the action of electromagnetic force, so that the cylindrical structure is sleeved on the unlocking electromagnetic stage. In this in-process, the air in the tubular structure can't smoothly be discharged, has brought the resistance for the unblock action, and in order to solve this problem, the bottom in the tubular structure of this scheme still is equipped with the exhaust hole, and the keeper bayonet lock is upwards established in the outside of unblock electromagnetism level, and the air in the keeper bayonet lock is discharged through the exhaust hole. In order to further reduce the weight of the bolt bayonet lock and ensure the structural performance of the bolt bayonet lock, the bolt bayonet lock of the scheme can be preferably made of high-strength engineering plastics.
In order to enhance the safety of the intelligent door lock and discover abnormal door opening operation in time, the scheme discloses an emergency alarm scheme. In order to discover the behavior of physically destroying the door lock from the outside in time, the system server of the scheme comprises a lock prying prevention alarm module, the lock prying prevention alarm module sends an alarm signal through an external audible and visual alarm according to the abnormal information of the state of the intelligent door lock, and the abnormal state can comprise the conditions of abnormal communication interruption, vibration exceeding the set strength, module power failure and the like. In order to avoid that illegal persons adopt a secret key generated by a hacker program to replace a correct secret key to open a door, the intelligent door lock further comprises a secret key error alarm module, and the secret key error alarm module sends an alarm signal through an external audible and visual alarm according to received wrong secret key information and then sends alarm information to a system server through a door lock remote communication module. In order to avoid illegal persons using electronic equipment to steal a secret key stored in a door lock from the outside of the door lock through a hacker program, the system server of the scheme further comprises a hacker-proof alarm module, the hacker-proof alarm module sends unlocking sequence information to a set smart phone according to received door opening secret key information, a user inputs the unlocking sequence information through a touch screen of a man-machine interaction module, the door lock control module sequentially unlocks according to the received unlocking sequence information, a contact sensor is arranged on a touch end of an unlocking electromagnetic level and a bolt clamping pin, the contact sensor sends an unlocking sequence signal to the hacker-proof alarm module through a door lock remote communication module according to a trigger signal, and the hacker-proof alarm module sends an alarm signal through an external audible and visual alarm according to the received information that the unlocking sequence signal is inconsistent with. The method comprises the steps that a plurality of electromagnetic loose pin assemblies (for example, 10) are numbered, a plurality of locking states are selected from the numbered assemblies at will, an unlocking sequence is randomly generated by a server to form an unlocking sequence code, only the electromagnetic loose pin assemblies in the locking states are unlocked according to the sequence, the door can be opened successfully, otherwise, the system gives an alarm, and if the door lock is physically damaged in the process, the system also gives an alarm at the same time. The combination of the alarm schemes effectively ensures the safety of the door lock and avoids the possibility of abnormal door opening.
The campus fingerprint intelligent door lock system based on the internet of things has the advantages that the lock cylinder with the electromagnetic loose pin assemblies is adopted to control the movement of the door bolt, the safety of the door lock is enhanced, the door opening sensing device is adopted to master the opening and closing condition of the door in time, the basis is provided for the system to reset the door opening key, the abnormal door opening condition is avoided by adopting the dual key mode, and the safety of the door lock is further improved. Based on the characteristics, compared with the existing scheme, the campus fingerprint intelligent door lock system based on the Internet of things has substantial characteristics and progress.
The campus fingerprint intelligent door lock system based on the internet of things is not limited to what is disclosed in the specific implementation manner, the technical solutions presented in the embodiments can be extended based on the understanding of those skilled in the art, and simple alternatives made by those skilled in the art according to the solution in combination with common knowledge also belong to the scope of the solution.
Claims (8)
1. A campus fingerprint intelligent door lock system based on the Internet of things is characterized by comprising a system server and an intelligent door lock, wherein the intelligent door lock is in communication connection with the system server and comprises a door lock control module, a lock cylinder mechanism, a door lock power device, a door lock remote communication module and a human-computer interaction module;
the lock core mechanism comprises a columnar door bolt, the front end of the columnar door bolt penetrates through a door bolt channel of the door bolt locking device and is inserted into a lock groove of the door frame to form a pin lock structure, a plurality of electromagnetic loose pin components are arranged in the bolt locking device, each electromagnetic loose pin component comprises an unlocking electromagnetic stage arranged above the bolt channel and a locking electromagnetic stage arranged below the bolt channel, a bolt clamping pin is arranged between the unlocking electromagnetic stage and the locking electromagnetic stage and is upwards separated from a pin hole at the corresponding position of a columnar bolt in the bolt channel under the attraction action of the unlocking electromagnetic stage, the bolt clamping pin is downwards clamped into the pin hole at the corresponding position of the columnar bolt under the combined action of the self gravity and the locking electromagnetic level, the door lock power device drives the columnar door bolt to reciprocate in the door bolt channel to form an unlocking or locking state;
the man-machine interaction module comprises a fingerprint identifier, a user inputs door opening fingerprint information to the door lock control module through the fingerprint identifier, the door lock control module sends information of a door opening key request to the system server through the door lock remote communication module according to the received door opening fingerprint information, the system server sends the door opening key to a set smart phone according to the received door opening key request information, and the user opens the smart door lock by using the received door opening key;
the intelligent door lock further comprises a door opening sensing device, the door opening sensing device comprises an infrared sensing transmitter and an infrared sensing receiver, the infrared sensing transmitter is arranged on the end face of the front end of the columnar door bolt, the infrared sensing receiver is arranged in the position, opposite to the end face of the front end of the columnar door bolt, in the door frame lock groove, the door opening sensing device sends detected door opening or door closing state information to the system server through the door lock remote communication module, and the system server resets a door opening key according to one opening and closing cycle of the door and sends the door opening key to the intelligent door lock as a key for opening the door next time;
the system server also comprises an anti-hacker alarm module, the anti-hacker alarm module sends unlocking sequence information to a set smart phone according to the received door opening request key information, a user inputs the unlocking sequence information through a touch screen of the man-machine interaction module, the door lock control module sequentially unlocks according to the received unlocking sequence information, a contact sensor is arranged on a contact end of the unlocking electromagnetic level and a bolt clamping pin, the contact sensor sends an unlocking sequence signal to the anti-hacker alarm module through the door lock remote communication module according to a trigger signal, and the anti-hacker alarm module sends an alarm signal through an external acousto-optic alarm according to the received information that the unlocking sequence signal is inconsistent with the unlocking sequence information.
2. The Internet of things-based campus fingerprint intelligent door lock system according to claim 1, wherein the bolt bayonet lock is a cylindrical structure with a single end open, an iron disc is arranged at the bottom in the cylindrical structure, the unlocking electromagnetic stage is a cylindrical structure, and the bolt bayonet lock is separated from a pin hole in a corresponding position of the cylindrical bolt in the bolt channel under the attraction effect of the unlocking electromagnetic stage and is sleeved upwards outside the unlocking electromagnetic stage.
3. The Internet of things-based campus fingerprint intelligent door lock system according to claim 2, wherein an exhaust hole is further formed in the bottom of the cylindrical structure, the door bolt clamping pin is upwards sleeved on the outer side of the unlocking electromagnetic stage, and air in the door bolt clamping pin is exhausted through the exhaust hole.
4. The Internet of things-based campus fingerprint intelligent door lock system according to claim 2, wherein the bolt clamping pin is made of high-strength engineering plastic.
5. The Internet of things-based campus fingerprint intelligent door lock system according to claim 1, wherein the door lock power device comprises an electric motor, a driving gear is arranged on an output shaft of the electric motor, the driving gear is meshed with a tooth row structure on the rear end of the columnar bolt, and the output shaft of the electric motor drives the driving gear to drive the columnar bolt to reciprocate in the bolt channel to form an unlocking or locking state.
6. The Internet of things-based campus fingerprint intelligent door lock system according to claim 1, wherein the system server comprises a lock picking prevention alarm module, and the lock picking prevention alarm module sends out an alarm signal through an external audible and visual alarm according to the abnormal state information of the intelligent door lock.
7. The Internet of things-based campus fingerprint intelligent door lock system according to claim 6, wherein the intelligent door lock further comprises a key error alarm module, and the key error alarm module sends alarm information to the system server through the door lock remote communication module after sending an alarm signal through an external audible and visual alarm according to received error key information.
8. The internet-of-things-based campus fingerprint intelligent door lock system according to claim 1, wherein 6 or 7 or 8 or 9 or 10 electromagnetic loose pin assemblies are arranged in the bolt locking device and are arranged equidistantly in the axial direction of the bolt channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711092934.2A CN109750907B (en) | 2017-11-08 | 2017-11-08 | Campus fingerprint intelligence lock system based on thing networking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711092934.2A CN109750907B (en) | 2017-11-08 | 2017-11-08 | Campus fingerprint intelligence lock system based on thing networking |
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| CN109750907B true CN109750907B (en) | 2021-06-15 |
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| CN109750907A (en) | 2019-05-14 |
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