CN215168917U

CN215168917U - Self-charging door lock

Info

Publication number: CN215168917U
Application number: CN202121420470.5U
Authority: CN
Inventors: 郝忠虎; 吴孔炜; 武伟超; 潘艾刚; 王强
Original assignee: Beijing Institute of Technology BIT
Current assignee: Beijing Institute of Technology BIT
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-14
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a self-charging lock, include: the lock comprises a door handle arranged outside a lock shell, and a two-stage gear acceleration assembly, a micro generator, a super capacitor, an unlocking identification module, a control module, a square lock tongue lock body, a baffle, an inclined lock tongue, a spring, a telescopic rod, a connecting rod, a pawl and a rotating connecting rod which are arranged inside the lock shell; one end of the door handle is rotatably connected to the lock shell, one end of the connecting rod is fixed on a rotating shaft of the door handle, the other end of the connecting rod is hinged with the telescopic rod, an inclined spring bolt is fixed at the end part of the telescopic rod, a baffle is sleeved on the telescopic rod and abuts against the inner bottom surface of the inclined spring bolt shell, a spring is sleeved on the telescopic rod, and two ends of the spring respectively abut against the baffle and the inclined spring bolt; one part of the two-stage gear acceleration assembly is fixed on a rotating shaft of the door handle, the other part of the two-stage gear acceleration assembly is fixed in the center of a rotating connecting rod, and the center of the rotating connecting rod is rotationally connected to the micro-generator; one end of the super capacitor is connected with the micro generator, and the other end of the super capacitor is connected with the unlocking identification module and the control module.

Description

Self-charging door lock

Technical Field

The utility model relates to a lock technical field, concretely relates to self-charging lock.

Background

In the field of door locks at present, a storage battery is arranged in the door lock to supply power to a control module; however, the battery has limited cruising ability, is difficult to work for a long time, can lead to the fact that the lock can not be unlocked if the battery can not be replaced in time, and the phenomenon of damaging the door lock and polluting the environment such as electrolyte leakage is easily generated when the battery is used for a long time.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a self-charging door lock rotates the door handle and when carrying out the one-level unblock, can turn into the electric energy with mechanical energy to for the second grade unblock power supply, solved the lock inside battery when electroless, the problem that the user can't in time open the lock.

The technical scheme of the utility model is that: a self-charging door lock, comprising: the lock comprises a door handle arranged outside a lock shell, and a two-stage gear acceleration assembly, a micro generator, a super capacitor, an unlocking identification module, a control module, a square lock tongue lock body, a baffle, an inclined lock tongue, a spring, a telescopic rod, a connecting rod, a pawl and a rotating connecting rod which are arranged inside the lock shell;

one end of the door handle is rotatably connected to the lock shell through a rotating shaft, and the other end of the door handle is used as a holding end; one end of the connecting rod is fixed on a rotating shaft of the door handle, the other end of the connecting rod is hinged with one end of the telescopic rod, the other end of the telescopic rod is arranged in the oblique spring bolt shell, an oblique spring bolt is fixed at the end part of the end of the telescopic rod, the telescopic rod is sleeved with a baffle, the baffle abuts against the inner bottom surface of the oblique spring bolt shell, the spring is sleeved on the telescopic rod, and the two ends of the spring respectively abut against the baffle and the oblique spring bolt; wherein, the oblique bolt shell is positioned on the inner wall surface of the lock shell;

one part of the two-stage gear acceleration assembly is fixed on a rotating shaft of the door handle, the other part of the two-stage gear acceleration assembly is fixed in the center of a rotating connecting rod, and the center of the rotating connecting rod is rotationally connected to the micro generator; two ends of the rotating connecting rod are respectively hinged with a pawl, and the maximum rotatable angle of the pawl relative to the rotating connecting rod is alpha; the charging end of the super capacitor is connected with the micro generator, and the discharging end of the super capacitor is connected with the unlocking identification module and the control module to supply power for the unlocking identification module and the control module.

Preferably, the two-stage gear acceleration assembly comprises: a first bull gear, a first pinion gear, a second bull gear, and a second pinion gear; the first gearwheel is coaxially fixed on a rotating shaft of the door handle and is meshed with the first pinion; the second bull gear is coaxially and fixedly connected with the first pinion and meshed with the second pinion, and one axial end of the second pinion is fixed at the center of the rotary connecting rod.

Preferably, both ends of the mounting shaft that assembles the first pinion gear and the second bull gear are supported on the lock case by bearings.

Preferably, the first gearwheel is a sector gearwheel.

Preferably, each pawl is provided with a limiting boss, the rotation of each pawl relative to the rotating connecting rod is limited by a minimum angle beta, and alpha is larger than beta.

Preferably, the method further comprises the following steps: the camera, it is installed on the surface of lock shell for shoot the people's face.

Preferably, the unlocking recognition module includes: the face recognition module, the password recognition module and the fingerprint recognition module; the face recognition module is externally provided with a display screen, the display screen is arranged on the outer surface of the lock shell and can display face information transmitted to the face recognition module by the camera, so that the imaging and the distinguishing of the face are completed; the password identification module is externally provided with a digital input keyboard, and the digital input keyboard is arranged on the outer surface of the lock shell and used for inputting passwords; the fingerprint identification module is externally provided with a fingerprint input end for inputting fingerprints.

Preferably, the fingerprint input end of the fingerprint identification module is positioned at the end of the rotating shaft of the door handle.

Has the advantages that:

1. according to the self-charging door lock, the micro generator can be driven to generate electricity through the matching action of the door handle and the two-stage gear accelerating assembly during the first-stage unlocking, the mechanical energy generated by the rotation of the door handle is converted into electric energy, and the electric energy is stored in the super capacitor, so that the square lock tongue lock body is subjected to second-stage unlocking and power supply, the problem that a user cannot open the door lock in time when a storage battery in the lock is out of power can be solved, and the self-charging door lock also has the advantages of energy conservation, environmental friendliness, no pollution and the like; meanwhile, the super capacitor is used as an energy storage device, and compared with a storage battery, the super capacitor has the advantages of high charging speed, high energy conversion efficiency, long cycle service life, environmental friendliness and the like.

2. The two-stage gear acceleration component realizes two-stage gear acceleration through two pairs of gears which are meshed with each other, and effectively converts mechanical energy of door handle action into electric energy, thereby supplying power to other power consumption components inside the door lock.

3. The first gearwheel is designed as a sector gear, which is beneficial to avoiding possible movement interference between the first gearwheel and other structural parts.

4. The limiting boss arranged on the pawl can accurately limit the minimum rotatable angle of each pawl relative to the rotating connecting rod, and the rotatable angle of each pawl relative to the rotating connecting rod can be limited within a set range by matching with the limiting effect of the internal gear on the micro generator on the pawl.

5. The specific arrangement of the unlocking identification module can realize multifunctional unlocking such as face identification, password identification, fingerprint identification and the like.

Drawings

Fig. 1 is the structure schematic diagram of the middle door lock of the present invention.

Fig. 2 is the structure schematic diagram of the inside of the middle door lock of the present invention.

Fig. 3 is a schematic structural view of the ratchet device of the present invention.

Fig. 4 is a schematic view of the process of clockwise rotation of the ratchet device of the present invention.

Fig. 5 is a schematic view of the process of the counterclockwise rotation of the ratchet device of the present invention.

Fig. 6 is a schematic structural view of the ratchet device driving the rotation of the micro-generator of the present invention.

Fig. 7 is a block diagram of the working process of the self-charging door lock of the present invention.

The system comprises a lock shell 1, a camera 2, a face recognition module 3, a password recognition module 4, a fingerprint recognition module 5, a door handle 6, a first gearwheel 7, a first pinion gear 8, a second gearwheel 9, a second pinion gear 10, a ratchet acceleration device 11, a microgenerator 12, a wire 13, a super capacitor 14, an unlocking recognition module 15, a control module 16, a square bolt lock body 17, a baffle 18, a slant bolt 19, a spring 20, a telescopic rod 21, a connecting rod 22, a pawl 23, a rotating connecting rod 24, a generator magnetic cylinder rotor 25 and a generator coil stator 26.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings by way of examples.

This embodiment provides a from charging door lock, when rotating the door handle and carrying out the one-level unblock, can turn into the electric energy with mechanical energy to for the power supply of second grade unblock, when having solved the inside battery of lock and having lacked, the problem that the user can't in time open the lock.

As shown in fig. 1 to 6, the door lock includes: the lock comprises a lock shell 1, a camera 2, a door handle 6, a first gearwheel 7, a first pinion 8, a second gearwheel 9, a ratchet accelerating device 11, a micro-generator 12, a super capacitor 14, an unlocking identification module 15, a control module 16, a square bolt lock body 17, a baffle plate 18, an inclined bolt 19, a spring 20, a telescopic rod 21 and a connecting rod 22; wherein, the unlocking recognition module 15 includes: a face recognition module 3, a password recognition module 4 and a fingerprint recognition module 5; the ratchet acceleration device 11 includes: a second pinion 10, a pawl 23 and a rotary link 24.

The door lock has the following connection relationship: as shown in fig. 1 and 2, a lock case 1 is used as a carrier for supporting and fixing internal and external parts, and a camera 2 is mounted on the outer surface of the lock case 1 and used for shooting a human face and transmitting the shot human face information to a human face recognition module 3; the face recognition module 3, the password recognition module 4 and the fingerprint recognition module 5 are all installed inside the lock shell 1 and are connected with the square bolt lock body 17 through the control module 16 installed inside the lock shell 1, so that after the control module 16 receives any group of unlocking recognition information (face recognition information or password recognition information or fingerprint recognition information), the square bolt lock body 17 can be controlled to retract into the lock shell 1; the face recognition module 3 is externally provided with a display screen, the display screen is arranged on the outer surface of the lock shell 1 and can display face information transmitted to the face recognition module 3 by the camera 2, so that imaging and distinguishing of a face are completed; the password identification module 4 is externally provided with a digital input keyboard (arranged on the outer surface of the lock shell 1) and is used for inputting passwords; the fingerprint identification module 5 is externally provided with a fingerprint input end for inputting fingerprints; one end of the door handle 6 is rotationally connected to the lock shell 1 through a rotating shaft (two ends of the rotating shaft are respectively positioned inside and outside the lock shell 1), and the other end is used as a holding end;

as shown in fig. 2 and 6, the first gearwheel 7 is coaxially fixed on the rotating shaft of the door handle 6, one end of the connecting rod 22 is fixed on the rotating shaft of the door handle 6, and both the first gearwheel 7 and the connecting rod 22 are located inside the lock case 1; when the door handle 6 rotates, the first gearwheel 7 and the connecting rod 22 can be driven to rotate around the rotating shaft of the door handle 6;

the first gearwheel 7 is meshed with a first pinion 8 arranged inside the lock shell 1 to form a first-stage accelerating gear set; the second gearwheel 9 is coaxially and fixedly connected with the first pinion 8; the second gearwheel 9 is also positioned inside the lock shell 1, and two ends of a mounting shaft for assembling the first pinion 8 and the second gearwheel 9 are supported on the lock shell 1 through bearings;

the second gearwheel 9 is meshed with a second pinion 10 on a ratchet wheel accelerating device 11 to form a second-stage accelerating gear set; one axial end of the second pinion 10 is fixed at the center of the rotary connecting rod 24, the centers of the two are provided with through holes, and the second pinion is rotatably connected with the shaft section part of a generator coil stator 26 of the micro-generator 12; the micro generator 12 is composed of a generator magnetic cylinder rotor 25 and a generator coil stator 26, and a shaft section part of the generator coil stator 26 penetrates out of a through hole coaxially arranged at the bottom of the generator magnetic cylinder rotor 25;

two ends of the rotating connecting rod 24 are respectively hinged with a pawl 23, the two pawls 23 can be meshed with an internal gear arranged at the output end of the generator magnetic cylinder rotor 25 to form a ratchet wheel assembly, and at the moment, the maximum rotating angle of the pawls 23 relative to the rotating connecting rod 24 is alpha;

the charging end of the super capacitor 14 is connected with the micro generator 12 through a lead 13, and the discharging end is connected with the unlocking identification module 15 and the control module 16 to supply power for the unlocking identification module and the control module;

the other end of the connecting rod 22 is hinged with one end of the telescopic rod 21, the other end of the telescopic rod 21 is arranged in the oblique bolt shell, an oblique bolt 19 is fixed at the end of the telescopic rod 21, a baffle 18 is sleeved on the telescopic rod 21, the baffle 18 abuts against the inner bottom surface of the oblique bolt shell, a spring 20 is sleeved on the telescopic rod 21, and two ends of the spring 20 respectively abut against the baffle 18 and the oblique bolt 19; wherein, the oblique spring bolt shell is positioned on the inner wall surface of the lock shell 1.

In this embodiment, each pawl 23 is provided with a limit boss for limiting the minimum angle of rotation of each pawl 23 relative to the rotating link 24 to be β (α > β); when the rotating connecting rod 24 rotates clockwise, the pawl 23 can rotate to the maximum angle alpha around the hinged position, and the pawl 23 is meshed with an internal gear of the generator magnetic cylinder rotor 25 to promote the generator magnetic cylinder rotor 25 to rotate clockwise; when the rotating link 24 rotates counterclockwise, the rotation angle of the pawl 23 is gradually reduced from α to β, and the pawl 23 can be dislocated and separated from the internal gear of the generator magnetic cylinder rotor 25 without hindering the clockwise rotation of the generator magnetic cylinder rotor 25.

In this embodiment, the first gearwheel 7 is a sector gear, which is beneficial to avoiding possible motion interference with other structural members.

In this embodiment, the fingerprint input end of the fingerprint recognition module 5 is located at the end of the rotating shaft of the rotating door handle 6.

In this embodiment, the super capacitor 14 does not need a specially designed charging circuit and a specially designed discharge control circuit, and compared with a battery, neither overcharge nor overdischarge has a negative effect on the service life of the battery; from the viewpoint of environmental protection, it is a green energy source; the charging speed is high, and the charging time can reach more than 85% of the rated capacity after 9-30 seconds; the service life of the charging cycle is long, the number of times of deep charging and discharging cycles can reach 1-50 ten thousand, and no memory effect exists; the large current discharge capacity is super strong, the energy conversion efficiency is high, the process loss is small, and the large current energy circulation efficiency is more than or equal to 80 percent.

When the door handle 6 rotates clockwise, the oblique bolt 19 is pulled into the lock shell 1 by the connecting rod 22, the spring 20 is compressed, and the rotating connecting rod 24 is accelerated and driven by the two-stage accelerating gear set; when the door handle 6 is released, the door handle 6 is returned counterclockwise by the restoring force of the spring 20; through the reciprocating rotation of door handle 6, can realize accelerating many times to generator magnetic cylinder rotor 25, as shown in fig. 7, micro generator 12 stores its electric energy of generating in super capacitor 14 to for the power supply of unlocking identification module 15 (people's face identification module 3, password identification module 4 and fingerprint identification module 5) and control module 16, unlocking identification module 15 and control module 16 cooperation come the flexible (stretch out lock shell 1 and correspond the lock, the retraction lock shell 1 corresponds the unblanking) of control square spring bolt lock body 17.

In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-charging door lock, comprising: the lock comprises a door handle (6) arranged outside a lock shell (1), a two-stage gear acceleration assembly, a micro generator (12), a super capacitor (14), an unlocking identification module (15), a control module (16), a square bolt lock body (17), a baffle plate (18), an inclined bolt (19), a spring (20), a telescopic rod (21), a connecting rod (22), a pawl (23) and a rotating connecting rod (24), wherein the two-stage gear acceleration assembly, the micro generator, the super capacitor, the unlocking identification module (15), the control module (16), the square bolt lock body (17), the baffle plate (18), the inclined bolt (19), the spring (20), the telescopic rod (21), the connecting rod (22), the pawl (23) and the rotating connecting rod (24) are arranged inside the lock shell (1);

one end of the door handle (6) is rotationally connected to the lock shell (1) through a rotating shaft, and the other end of the door handle is used as a holding end; one end of a connecting rod (22) is fixed on a rotating shaft of the door handle (6), the other end of the connecting rod is hinged with one end of a telescopic rod (21), the other end of the telescopic rod (21) is arranged in an oblique bolt shell, an oblique bolt (19) is fixed at the end part of the end of the telescopic rod (21), a baffle (18) is sleeved on the telescopic rod (21), the baffle (18) abuts against the inner bottom surface of the oblique bolt shell, a spring (20) is sleeved on the telescopic rod (21), and two ends of the spring respectively abut against the baffle (18) and the oblique bolt (19); wherein, the oblique bolt shell is positioned on the inner wall surface of the lock shell (1);

one part of the two-stage gear acceleration assembly is fixed on a rotating shaft of the door handle (6), the other part of the two-stage gear acceleration assembly is fixed in the center of a rotating connecting rod (24), and the center of the rotating connecting rod (24) is rotationally connected to the micro-generator (12); two ends of the rotating connecting rod (24) are respectively hinged with a pawl (23), and the maximum angle of the rotation of the pawl (23) relative to the rotating connecting rod (24) is alpha; the charging end of the super capacitor (14) is connected with the micro generator (12), and the discharging end of the super capacitor is connected with the unlocking identification module (15) and the control module (16) to supply power to the super capacitor.

2. The self-charging door lock according to claim 1, wherein said two-stage gear acceleration assembly comprises: a first gearwheel (7), a first pinion (8), a second gearwheel (9) and a second pinion (10); the first gearwheel (7) is coaxially fixed on a rotating shaft of the door handle (6) and is meshed with the first pinion (8); the second gearwheel (9) is coaxially and fixedly connected with the first pinion (8) and is meshed with the second pinion (10), and one axial end of the second pinion (10) is fixed at the center of the rotating connecting rod (24).

3. Self-charging door lock according to claim 2, characterized in that the two ends of the mounting shaft that assembles the first small gear (8) and the second large gear (9) are supported on the lock case (1) by bearings.

4. Self-charging door lock according to claim 2, characterized in that said first gearwheel (7) is a sector gearwheel.

5. A self-charging door lock as claimed in any one of claims 1 to 4, characterized in that each pawl (23) is provided with a limit boss limiting the minimum angle of rotation of each pawl (23) relative to the rotary link (24) to β, and α > β.

6. A self-charging door lock as recited in any of claims 1-4, further comprising: the camera (2) is installed on the outer surface of the lock shell (1) and used for shooting a human face.

7. Self-charging door lock according to claim 6, characterized in that said unlocking identification module (15) comprises: the face recognition module (3), the password recognition module (4) and the fingerprint recognition module (5); the face recognition module (3) is externally provided with a display screen, the display screen is arranged on the outer surface of the lock shell (1) and can display face information transmitted to the face recognition module (3) by the camera (2), so that face imaging and distinguishing are completed; the password identification module (4) is externally provided with a digital input keyboard, and the digital input keyboard is arranged on the outer surface of the lock shell (1) and is used for inputting passwords; the fingerprint identification module (5) is externally provided with a fingerprint input end for inputting fingerprints.

8. The self-charging door lock according to claim 5, further comprising: the camera (2) is installed on the outer surface of the lock shell (1) and used for shooting a human face.

9. A self-charging door lock according to claim 8, characterized in that said unlocking identification module (15) comprises: the face recognition module (3), the password recognition module (4) and the fingerprint recognition module (5); the face recognition module (3) is externally provided with a display screen, the display screen is arranged on the outer surface of the lock shell (1) and can display face information transmitted to the face recognition module (3) by the camera (2), so that face imaging and distinguishing are completed; the password identification module (4) is externally provided with a digital input keyboard, and the digital input keyboard is arranged on the outer surface of the lock shell (1) and is used for inputting passwords; the fingerprint identification module (5) is externally provided with a fingerprint input end for inputting fingerprints.

10. Self-charging door lock according to claim 7 or 9, characterized in that the fingerprint input of the fingerprint recognition module (5) is located at the end of the rotating shaft of the door handle (6).