Intelligent well cover lock system based on narrowband Internet of things
Technical Field
The utility model relates to an intelligence well lid field especially relates to an intelligence well lid lock system based on narrowband thing networking.
Background
Along with the improvement of national intelligent degree, intelligence well lid lock has obtained extensive application, can avoid losing of well lid, can protect the security of property in the inspection shaft again, can also standardize operator's construction.
But general intelligence well lid lock all needs the battery power supply, and under outdoor adverse circumstances, the security and the life-span of battery can not effectively be ensured, and the battery charge-discharge number of times restriction, need charge or change the insufficient voltage battery, increase the maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides an intelligence well lid lock system based on narrowband thing networking.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an intelligent manhole cover lock system based on a narrow-band Internet of things comprises a server, a client and an intelligent manhole cover lock, wherein the server, the client and the intelligent manhole cover lock are in communication connection;
the server comprises a first NB-IOT communication module, and is used for receiving, storing and sending the locking and unlocking state of the intelligent manhole cover lock to the client;
the client is used for sending a request for inquiring the lock control state of the specific intelligent well lid lock to the server, receiving the information fed back by the server and displaying the information;
the intelligent well cover lock comprises a lock cylinder component, a handle component, a lock cylinder component and an intelligent key;
the lock core assembly is embedded and installed on the well lid body, the handle assembly is connected with the lock core assembly in an openable and closable manner, and the lock core assembly controls the handle assembly to be locked or unlocked;
the lock bolt assembly is arranged on the lower surface of the well lid body and comprises a lock bolt body, and the lock bolt body enters or departs from a preset lock bolt hole to lock or unlock the well lid body;
the handle assembly is fixedly connected with the lock bolt assembly and is used for operating the lock bolt body to move;
the lock core assembly comprises a fixed part, a rotating part, a wireless power supply receiving module, a driving motor, a second NB-IOT communication module and a lock tongue part; the wireless power supply receiving module is fixedly arranged on the fixed part, the driving motor is fixedly arranged on the rotating part, and the wireless power supply receiving module is electrically connected with the driving motor and the second NB-IOT communication module; the driving motor is used for driving the lock tongue part to do reciprocating motion; the bolt part reciprocates to realize the unlocking or locking of the handle assembly;
the fixing part is provided with a first limiting hole;
the rotating part is provided with a second limiting hole; the second limiting hole is matched with the first limiting hole, and a stop column is arranged in the second limiting hole and used for limiting the rotation of the rotating part;
the intelligent key comprises a mechanical verification module, a wireless power supply transmitting module and a battery;
the mechanical verification module is matched with the second limiting hole and used for enabling the second limiting hole to lock or unlock the rotating part; the wireless power supply transmitting module is electrically connected with the battery, is matched with the wireless power supply receiving module and is used for wirelessly transmitting electric energy;
the first NB-IOT communication module and the second NB-IOT communication module realize information communication.
Compared with the prior art, the utility model discloses following technological effect has:
the intelligent well cover lock core part has no built-in battery, frequent replacement and maintenance are not needed, and the later maintenance cost is low.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Preferably, the fixed part is further provided with an NFC receiving module and a first encryption and decryption module, and the NFC receiving module and the first encryption and decryption module are electrically connected with the wireless power supply receiving module;
the intelligent key comprises an NFC transmitting module and a second encryption and decryption module; the NFC transmitting module and the second encryption and decryption module are electrically connected with the battery;
the NFC transmitting module is matched with the NFC receiving module and used for transmitting the identity information of the key; the first encryption and decryption module and the second encryption and decryption module are used for verifying the identity information of the key and encrypting and decrypting the information transmitted between the intelligent key and the lock cylinder component.
The method has the advantages that the identity of the key and the lock cylinder is verified by adopting the short-distance wireless communication technology, and the safety is ensured.
Preferably, the spring bolt portion includes spring bolt body and pressure spring, pressure spring supports the non-working end of spring bolt body, be equipped with the drive groove on the spring bolt body, be equipped with the cam on the rotating part, the cam is located the drive inslot, the cam with the lateral wall contact in drive groove, the rotation of cam with pressure spring cooperation realizes the reciprocating motion of spring bolt body.
The beneficial effects of adopting above-mentioned further scheme are simple structure, job stabilization, and the fault rate is low, daily need not to maintain.
Preferably, the mechanical verification module is a magnet, the magnet adsorbs the locking post, in an initial state, the locking post is completely located in the second limiting hole, the rotating portion is not restricted by the fixing portion, the rotation of the driving motor cannot drive the output shaft to rotate, but the whole rotating portion rotates, when the magnet adsorbs the moving post to move towards the magnet direction, a part of the locking post enters the first limiting hole from the second limiting hole, so that the locking of the rotating portion is realized, the driving motor rotates again, and the rotating portion is restricted by the fixing portion and cannot rotate, so that the rotation of the driving motor is transmitted to the output shaft, and the tongue locking portion is driven to move.
The beneficial effect of adopting above-mentioned further scheme is that locking effect is good, and the outside does not have visible structure, and the disguise is strong, and the theftproof ability is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the latch assembly construction;
FIG. 3 is a schematic view of a handle assembly;
FIG. 4 is a schematic view of the plug assembly construction;
FIG. 5 is a schematic view of a locking position of a second position-limiting hole;
FIG. 6 is a schematic view of an unlocking position of the second limiting hole;
FIG. 7 is an exploded view of the smart key part;
FIG. 8 is a schematic view of the position of the lock cylinder with the handle in the unlocked state;
FIG. 9 is a schematic view of the position of the lock cylinder with the handle in the locked condition;
in the drawings, the parts names represented by the respective reference numerals are listed as follows:
1. a plug assembly; 1-1, a fixed part; 1-2, a rotating part; 1-2-1, cam; 1-3, a wireless power supply receiving module; 1-4, driving a motor; 1-5, a bolt part; 1-5-1, a bolt body; 1-5-1-1, a drive groove; 1-5-2, a compression spring; 1-6, an NFC receiving module; 1-7, a first encryption and decryption module; 1-9 and a second limiting hole; 1-10, stop column; 1-12, a first limiting hole; 1-13, output shaft; 2. a handle assembly; 2-1, a hexagonal wrench part; 2-2, a handle body; 2-3, a handle shell; 3. a latch assembly; 3-1, a lock bolt body; 3-2, rotating the sheet; 3-3, connecting rod; 3-4, a guiding device; 4. a smart key; 4-1, a mechanical verification module; 4-2, a wireless power supply transmitting module; 4-3, a battery; 4-4, an NFC transmitting module; 4-5, a second encryption and decryption module; 4-6, a key housing; 5. well lid body.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Referring to fig. 1 to 9, an intelligent manhole cover lock system based on a narrowband internet of things includes a server 6, a client 7 and an intelligent manhole cover lock, which are in communication connection with each other;
the server 6 comprises a first NB-IOT communication module, and is used for receiving, storing and sending the locking and unlocking state of the intelligent manhole cover lock to the client;
the client 7 is used for sending a request for inquiring the lock control state of the specific intelligent well lid lock to the server, receiving the information fed back by the server and displaying the information;
the intelligent well cover lock comprises a lock cylinder component 1, a handle component 2, a lock cylinder component 3 and an intelligent key 4;
the lock core assembly 1 is embedded and installed on the intelligent well lid 5, the handle assembly 2 is connected with the lock core assembly 1 in an openable and closable manner, and the lock core assembly 1 controls the locking or unlocking of the handle assembly 2;
as shown in fig. 2, the lock bolt assembly 3 is arranged on the lower surface of the intelligent well lid 5 and comprises a lock bolt body 3-1, a rotating piece 3-2, a connecting rod 3-3 and a guiding device 3-4, one end of the connecting rod 3-3 is hinged to the rotating piece 3-2, the other end of the connecting rod is hinged to the lock bolt body 3-1, the lock bolt body 3-1 is arranged in the guiding device 3-4 in a penetrating manner, the rotating piece 3-2 rotates to drive the lock bolt body 3-1 to reciprocate in the direction defined by the guiding device 3-4, and the lock bolt body 3-1 enters or is separated from a preset lock bolt hole, so that the locking or unlocking of the well lid body is realized;
as shown in fig. 3, the handle assembly 2 is fixedly connected with the latch assembly 3, and the handle assembly 2 is used for operating the latch body to actuate; specifically, the handle assembly 2 comprises a handle shell 2-3, a handle body 2-2 and a hexagonal wrench part 2-1, the hexagonal wrench part 2-1 is rotatably fixed on the handle shell 2-3, the handle body 2-2 is hinged on the hexagonal wrench part 2-1, a hexagonal inner hole matched with the hexagonal wrench part 2-1 is formed in the middle of the rotating piece 3-2, and the hexagonal wrench part 2-1 is inserted into the hexagonal inner hole in the rotating piece 3-2, so that the rotating piece 3-2 can be controlled by the handle to rotate, and the action of the lock bolt 3-1 is further controlled.
As shown in fig. 4, the plug assembly 1 includes a fixed portion 1-1, a rotating portion 1-2, a wireless power receiving module 1-3, a driving motor 1-4, a bolt portion 1-5 and a second NB-IOT communication module; the fixed part 1-1 is also provided with an NFC receiving module 1-6 and a first encryption and decryption module 1-7, and the NFC receiving module 1-6 and the first encryption and decryption module 1-7 are electrically connected with the wireless power supply receiving module 1-3; the first NB-IOT communication module and the second NB-IOT communication module realize information communication;
the wireless power supply receiving module 1-3 is fixedly arranged on the fixed part 1-1 and is used for wirelessly receiving electric energy; the driving motor 1-4 is fixedly arranged on the rotating part 1-2, and the wireless power supply receiving module 1-3 is electrically connected with the driving motor 1-4; the driving motor 1-4 is used for driving the rotating part 1-2 to rotate;
the fixing part 1-1 is provided with a first limiting hole 1-12;
the rotation of the rotating part 1-2 drives the locking tongue part 1-5 to do reciprocating motion, and the locking tongue part 1-5 does reciprocating motion to unlock or lock the handle assembly 2;
a second limiting hole is formed in the rotating part 1-2; the second limiting hole is matched with the first limiting hole 1-12 and used for limiting the rotation of the rotating part 1-2;
the intelligent key 4 comprises a mechanical verification module 4-1, a wireless power supply transmission module 4-2, a battery 4-3, an NFC transmission module 4-4, a second encryption and decryption module 4-5 and a key shell 4-6; the NFC transmitting module 4-4 and the second encryption and decryption module 4-5 are electrically connected with the battery 4-3;
the mechanical verification module is matched with the second limiting hole and used for enabling the second limiting hole to be separated from the first limiting hole 1-12; the wireless power supply transmitting module 4-2 is electrically connected with the battery 4-3, is matched with the wireless power supply receiving module 1-3 and is used for wirelessly transmitting electric energy.
The NFC transmitting module 4-4 is matched with the NFC receiving module 1-6 and used for transmitting the identity information of the key; the first encryption and decryption module 1-7 and the second encryption and decryption module 4-5 are used for verifying the identity information of the key and encrypting and decrypting the information transmitted between the intelligent key 4 and the lock cylinder component 1.
As shown in fig. 5, the second limiting hole 1-9 is internally provided with a locking post 1-10, the locking post is located in the first limiting hole 1-12 of the fixing portion 1-1 at an initial position, at this time, the motor 1-4 can only rotate in an idle mode and cannot drive the lower locking tongue portion to move, the mechanical verification module 4-1 is a magnet, the magnet adsorbs the locking post 1-10, the locking post 1-10 moves towards the magnet, a part of the locking post 1-10 enters the first limiting hole 1-12, as shown in fig. 6, locking of the rotating portion 1-2 is achieved, at this time, the rotating portion and the fixing portion are locked, when the driving motor rotates, the lower output shaft 1-13 can be driven to rotate, and the lower output shaft drives the locking tongue portion to move.
As shown in fig. 8-9, the bolt portion 1-5 includes a bolt body 1-5-1 and a compression spring 1-5-2, the compression spring 1-5-2 is pressed against the non-working end of the bolt body 1-5-1, the lock tongue body is provided with a driving groove 1-5-1-1, the rotating part 1-2 is provided with a cam 1-2-1, the cam 1-2-1 is positioned in the driving groove 1-5-1-1, the cam 1-2-1 is in contact with the side wall of the driving groove 1-5-1-1, the rotation of the cam 1-2-1 is matched with the compression spring 1-5-2 to realize the reciprocating motion of the bolt body 1-5-1.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.