CN105620594A - Bicycle lock based on password-controlled square opening foot stand - Google Patents
Bicycle lock based on password-controlled square opening foot stand Download PDFInfo
- Publication number
- CN105620594A CN105620594A CN201610076228.8A CN201610076228A CN105620594A CN 105620594 A CN105620594 A CN 105620594A CN 201610076228 A CN201610076228 A CN 201610076228A CN 105620594 A CN105620594 A CN 105620594A
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- Prior art keywords
- bicycle
- lock
- square opening
- led lamp
- ratchet
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- 238000000034 method Methods 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 230000000881 depressing effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 14
- 230000001133 acceleration Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
- B62H5/14—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation
- B62H5/142—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation by means of pivoting, or pivoting and sliding bolts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a bicycle lock based on a password -controlled square opening foot stand and relates to a bicycle lock. According to the bicycle lock, buttons, a controller, a stepping motor, a cam, a connecting rod, a pawl, a ratchet wheel and the square opening foot stand are sequentially connected, and the pawl is arranged in a sliding groove. A control method includes the steps that firstly, after a bicycle is used, the square opening foot stand of the bicycle is manually pressed down, and the bicycle is automatically locked; and secondly, when the bicycle needs to be used, a correct lock password is input through the buttons, a green LED lamp is turned on to give a prompt, then the square opening foot stand can be manually kicked, the green LED lamp is turned on to give a prompt, and the bicycle is automatically unlocked. By the adoption of the bicycle lock, the bicycle can be automatically locked when the bicycle is parked, and the trouble caused by the fact that a user forgets to lock the bicycle in a traditional manner is saved; a mechanical structure is simple and easy to implement; a mechanical and electronic combination manner is adopted, so that the bicycle lock is more user-friendly; and operation is easy and natural, and the application prospects are wide.
Description
Technical field
The present invention relates to a kind of bicycle lock, particularly relate to a kind of bicycle lock based on cipher control square opening foot support.
Background technology
In Chinese such a populous nation, in the market that bicycle is universal especially again, there is such a problem: market all focuses on the hardness of lock for the design of lock, it is prevented that pried open by people, and have ignored people's demand for the convenience of open locking always. Need car locking after stopping every time, after avoiding intensive spoke, locking bar is inserted in lockhole, be inconvenient for. Need when riding to unblank every time, and this lock is mostly chain or U-shape lock does not have local placement. So current lock brings worried and inconvenient greatly to user. And lock is for indispensable in actual life. To such an extent as to a kind of simple and reliable bicycle lock has become demand urgent in the market.
Prop stand for bicycle support is the part that will necessarily use, and by the structure of lock based on this, will greatly increase convenience. Having the invention utilizing foot support motion car locking in existing patent, this invention is mainly for the problem of locking. When artificially putting down foot support, foot support can pull the steel wire being fixed on frame outside, transmit through pulley, drive wheel disc to rotate, and then make locking bar rotate, when rotating to time to a certain degree, lock pin is just corresponding with the through hole on lock pin assembly shell, and under reactive spring force, latch can eject from through hole, block in the locked groove of lock body assembly over there, thus achieve and wheel is locked. When needs unlock, rotate core by key, lock pin is withdrawn from, thus realizing unlocking.
And not yet someone studies to unlock the foot support lock with circuit control by key passwords.
Summary of the invention
It is an object of the invention to overcome existing bicycle lock to cause stolen problem because forgetting lock, it is provided that a kind of bicycle lock based on cipher control square opening foot support.
The object of the present invention is achieved like this:
Utilize frame for movement to realize being automatically locked of bicycle, utilize controller to be automatically switched off after controlling unlatching a period of time of lock. Open lock from input proper password, then kick open square opening foot support and be automatically performed by controller to automatic locking; When bicycle locked by needs, bicycle being shifted onto appropriate location, square opening foot support is depressed, mentions bicycle, automatic lock for bicycle is dead, easy and simple to handle, has stopped traditional shortcoming causing car stolen because forgetting to lock completely, has had important practical meaning.
Utilize people's effect to foot support when parking car, be distinctive in that with other researchs, the invention reside in the control realized square opening foot support, it is possible to realize automatic locking in docking process, unlock and need input password, reach people and lock exchange.
In the present invention, mainly complete following work:
1, the real-time password of corresponding lock is obtained by mobile Internet;
2, inputting real-time password by external key, motor rotates to an angle, and is returned to origin-location after a period of time;
3, being unblanked by the transmission of frame for movement, the square opening foot support of bicycle just can be played;
This part is the most key link, moves forward and backward mainly by cam and bar linkage structure band pawl, thus stuck or release ratchet;
4, pressure foot support, by frame for movement, bicycle can be automatic locking.
What adopt here is helical gear as ratchet, by drag minimization when square opening foot support drives ratchet to turn clockwise, thus just locking easily; When rotating counterclockwise, ratchet can be subject to the resistance of tooth is locked.
The design of the frame for movement focusing on bicycle lock of the present invention, rational bicycle mechanical structural design is the basis of whole bicycle lock functional realiey, and therefore its design must comply with the theories such as simple, practical and cost is low.
Specifically, technical scheme is as follows:
One, based on bicycle square opening foot support automatic lock for bicycle (abbreviation lock) of cipher control
This lock includes square opening foot support; It is provided with cam, motor, connecting rod, chute, ratchet, ratchet, controller and button;
Button, controller, motor, cam, connecting rod, ratchet, ratchet and square opening foot support are sequentially connected with, and ratchet is placed in chute.
Two, control method (abbreviation method)
This method comprises the following steps:
1. when bicycle makes to be finished, the artificial square opening foot support depressing bicycle, it is achieved automatic locking to bicycle;
2. when using bicycle, lock proper password by key-press input, then have the bright prompting of red LED lamp, then can artificially play square opening foot support, then have the bright prompting of green LED lamp, it is achieved the automatic unlocking to bicycle.
The present invention has the advantages that:
1. can be automatic locking when stopping bicycle, it is to avoid traditional forget to lock and cause trouble;
2. frame for movement is simple and direct, it is easy to accomplish;
3. the mode adopting machinery to combine with electronics, makes this bicycle lock more humane;
4. nature simple to operate, has broad application prospects.
Accompanying drawing explanation
Fig. 1 is the block diagram of this lock;
Fig. 2 is the structural representation of this lock;
Fig. 3 is the structural representation (amplification) of this lock;
Fig. 4 is the block diagram of controller;
Fig. 5 is this method control flow chart.
In figure:
0 square opening foot support;
1 cam;
2 motors;
3 connecting rods;
4 chutes;
5 ratchets;
6 ratchets;
7 controllers,
7-1 single-chip microcomputer, 7-2 red LED lamp, 7-3 green LED lamp,
7-4 buzzer, 7-5 displacement transducer, 7-6 power supply;
8 buttons.
Detailed description of the invention
Describe in detail below in conjunction with drawings and Examples:
One, lock
1, overall
Such as Fig. 1,2,3, this lock includes square opening foot support 0;
It is provided with cam 1, motor 2, connecting rod 3, chute 4, ratchet 5, ratchet 6, controller 7 and button 8;
Button 8, controller 7, motor 2, cam 1, connecting rod 3, ratchet 5, ratchet 6 and square opening foot support 0 are sequentially connected with, and ratchet 5 is placed in chute 4.
The mechanism that mechanical part includes being made up of cam 1, connecting rod 3, ratchet 5 and chute 4 realizes by the circular motion of motor 2 to the conversion of ratchet 5 horizontal movement, and the mechanism being made up of ratchet 6 and ratchet 5 realizes the unidirectional rotary motion of ratchet 6;
Electronic section is made up of button 8 and controller 7, controls motor 2 and rotates 90o so that ratchet 5 moves horizontally away from ratchet 6, then flip stand 0 is thus rotating ratchet 6 realizes unlocking function; When needing to park, support 0 is propped up, utilize ratchet 6 and the locked ratchet of ratchet 5 unidirectional motion 6 thus locked bicycle.
The working mechanism of the present invention:
When depressing square opening foot support 0, square opening foot support 0 drives ratchet 6 to rotate (clockwise) in the same direction in the process of pivoting; When ratchet 6 rotates, ratchet 5 is lifted up around pin so that the helical teeth of ratchet 5 can pass through by hard to bear only small resistance; When opposite direction (counterclockwise) kicks up square opening foot support 0, ratchet 6 reverse direction rotates, and ratchet 5, by counter force, stops ratcheting motion under chute 4 retrains, thus realizing locking; When needs use bicycle, the proper password that this bicycle is corresponding is inputted by button 8, power under controller 7 acts on, motor 2 drivening rod 3 that rotates to an angle pulls ratchet 5 rearward movement, thus releasing ratchet 6 and the locking mechanism of ratchet 5, square opening foot support 0 can be lifted up, motor 2 cycle after a period of time, return to initial position, it is achieved that the releasing process of square opening foot support 0.
2, functional device
0) square opening foot support 0
Square opening foot support 0 is a kind of U-bracket being arranged on bicycle rear shaft, only has 0o and 90o two states with ground.
During bicycle running, square opening foot support 0 lifts (0o), and bicycle rear lands;
During bicycle stagnation of movement, square opening foot support 0 lands (90o), and bicycle rear is unsettled.
1) cam 1
Cam 1 is a kind of small-sized eccentric wheel disc, and the rotating shaft of its centre bore and motor 2 connects (rigidity); It is provided with a small column at the edge of wheel disc, and the circular hole of connecting rod 3 right-hand member connects, it is achieved the transmission to connecting rod 3 and ratchet 5.
2) motor 2
Motor 2 is a kind of general part, selects Ni get section of Japan 6mm micro-step motor, is driven by drive circuit, the anglec of rotation: 0-90o.
Realize the control to cam 1 and connecting rod 3.
3) connecting rod 3
Connecting rod 3 is that a kind of two ends arrange round-meshed long metal bar, is connected with cam 1 and ratchet 5 respectively.
4) chute 4
Chute 4 is that one is provided with excess metal block, horizontally slips in groove for ratchet 5.
5) ratchet 5
Ratchet 5 is a kind of general part, and inclined-plane and the ratchet 6 of right-hand member engage; Left end is provided with circular hole, by pin and connecting rod 3 Dynamic link library.
6) ratchet 6
Ratchet 6 is a kind of general part, including centre bore, wheel disc and the gear teeth; Its centre bore is enclosed within the hind axle of bicycle, and its wheel disc is affixed with square opening foot support 0, the right-hand member inclined-plane engagement of its gear teeth and ratchet 5.
Ratchet 6 by ratchet 5 stuck time, can only move in the direction of the clock.
7) controller 7
Such as Fig. 4, controller 7 includes single-chip microcomputer 7-1, red LED lamp 7-2, green LED lamp 7-3, buzzer 7-4, displacement transducer 7-5 and power supply 7-6;
Single-chip microcomputer 7-1 is connected with red LED lamp 7-2, green LED lamp 7-3, buzzer 7-4 and motor 2 respectively by drive circuit, it is achieved control;
Displacement transducer 7-5 is arranged on the parallel bracket being connected with bicycle rear shaft, and displacement transducer 7-5 and single-chip microcomputer 7-1 connects, and reads the information of acceleration and handles it;
Power supply 7-6 is responsible for power supply.
(1) single-chip microcomputer 7-1
Single-chip microcomputer 7-1 selects MSP43016 position super low power consuming single chip processor; Complete program controls portions by burning program and control motor 2, red LED lamp 7-2, green LED lamp 7-3 and buzzer 7-4 by drive circuit, obtaining displacement information by displacement transducer 7-5.
(2) red LED lamp 7-2
Red LED lamp 7-2 selects highlighted round end LED power light emitting diode; Driven by drive circuit, when positive pole is energized, send red light.
(3) green LED lamp 7-3
Red LED lamp 7-3 selects highlighted round end LED power light emitting diode; Driven by drive circuit, when positive pole is energized, send green light.
(4) buzzer 7-4
Buzzer 7-4 selects the continuous sound buzzer of SFM-27 type; Driven by drive circuit, after energising, send stronger buzzer.
(5) displacement transducer 7-5
Displacement transducer 7-5 selects has the intelligent low-power consumption of 12 bit resolutions, three axles, capacitance acceleration transducer chip MMA8452Q; Converting the physics acceleration information in three extraneous directions to the signal of telecommunication, be connected with single-chip microcomputer 7-1, single-chip microcomputer 7-1 reads acceleration information, again through the information that integration of acceleration two times obtains displacement.
(6) power supply 7-6
Power supply 7-6 selects 18650 dynamic lithium batteries, then is equipped with 2 string 7.2V lithium iron phosphate battery protecting boards, protects the impulse electricity of 18650 lithium batteries;
To single-chip microcomputer 7-1, displacement transducer 7-5 and drive circuitry.
8) button 8
Button 8 is a kind of general part, selects paster 4*4*1.5MM to touch microswitch, and two ends do not disconnect on time, two terminal shortcircuits after pressing.
The working mechanism of controller 7:
Being lockup state under bicycle original state, when it is desired to be used, user obtains the dynamic password of corresponding license plate number bicycle according to the Internet from mobile platform, and is inputted by button 8; Single-chip microcomputer 7-1 is by testing to the correctness of input password, when being verified, electric control motor 2 band moving cam 1 and connecting rod 3 on single-chip microcomputer 7-1, regain ratchet 5, releasing the locking state of ratchet 6, user can play square opening foot support 0, uses bicycle, after a period of time, motor 2 is turned back to origin-location, and ratchet 5 blocks ratchet 6; After use terminates, depressing support, utilize frame for movement when user is stopped, bicycle is automatic locking, enters lockup state; When password input continuously three times wrong time, buzzer 7-4 and red LED lamp 7-2 that lock is internal can trigger under the control of single-chip microcomputer 7-1, and the bicycle entrance locking state of five minutes, only when just continuing with password after five minutes; If do not pass through input proper password to be unlocked simultaneously, by force bicycle is dragged, under the effect of displacement degree sensor 7-5, when reaching certain distance, buzzer 7-4 and red LED lamp 7-2 being triggered equally, entering lockup state, thus reaching the anti-theft feature of bicycle.
Two, method
This method is to be realized by single-chip microcomputer 7-1 and embedded program thereof.
Such as Fig. 5, program embedded for single-chip microcomputer 7-1 is as follows:
A, lockup state-400;
B, obtained real-time password-401 by the Internet,
Creating wechat public platform, wechat public platform is programmed, the controller of bicycle lock realizes the communication with wechat platform and then the cryptosync realized by wireless gsm module; User, by adding wechat public number, obtains the password of oneself bicycle in real time;
C, key-press input password-402;
D, judge password whether correct-403, be then entrance step E, otherwise enter step F;
E, being followed successively by: motor operates, green LED lamp bright-404, square opening foot support unlocks-405, plays square opening foot support-406, use bicycle-407, lock dead five minutes-408, depress square opening foot support-409, motor running-410, bicycle automatic locking-411, terminates-412;
F, being followed successively by: input three still code error-413, buzzer rings, red LED lamp bright-414, lock dead 5 minutes-415, lockup state-416;
It addition, G, be followed successively by: mobile 5 meters-417, buzzer continues to ring, red LED lamp bright-418, and car remains stationary-419, and buzzer stops ringing-420, lockup state-421.
Claims (4)
1. based on a bicycle lock for cipher control square opening foot support, including square opening foot support (0);
It is characterized in that:
It is provided with cam (1), motor (2), connecting rod (3), chute (4), ratchet (5), ratchet (6), controller (7) and button (8);
Button (8) controller (7), motor (2), cam (1), connecting rod (3), ratchet (5), ratchet (6) and square opening foot support (0) are sequentially connected with, and ratchet (5) is placed in chute (4).
2. by the bicycle lock described in claim 1, it is characterised in that:
Described controller (7) includes single-chip microcomputer (7-1), red LED lamp (7-2), green LED lamp (7-3), buzzer (7-4), displacement transducer (7-5) and power supply (7-6);
Single-chip microcomputer (7-1) is connected with red LED lamp (7-2), green LED lamp (7-3), buzzer (7-4) and motor (2) respectively by drive circuit, it is achieved control;
Displacement transducer (7-5) is arranged on the parallel bracket being connected with bicycle rear shaft, and displacement transducer (7-5) and single-chip microcomputer (7-1) connect, and read the information of displacement and handle it.
3. by the control method of bicycle lock described in claim 1,2, it is characterised in that:
1. when bicycle makes to be finished, the artificial square opening foot support depressing bicycle, it is achieved automatic locking to bicycle;
2. when using bicycle, lock proper password by key-press input, then have the bright prompting of green LED lamp, then can artificially play square opening foot support, then have the bright prompting of green LED lamp, it is achieved the automatic unlocking to bicycle.
4. by the control method of bicycle lock described in claim 3, it is characterised in that:
A, lockup state (400);
B, obtained real-time password (401) by the Internet,
Creating wechat public platform, wechat public platform is programmed, the controller of bicycle lock realizes the communication with wechat platform and then the cryptosync realized by wireless gsm module; User, by adding wechat public number, obtains the password of oneself bicycle in real time;
C, key-press input password (402);
D, judge that password is whether correct (403), be then entrance step E, otherwise enter step F;
E, it is followed successively by: motor operates, green LED lamp bright (404), square opening foot support unlocks (405), play square opening foot support (406), use bicycle (407), dead five minutes of lock (408), pressure square opening foot support (409), motor running (410), bicycle automatic locking (411), terminates (412);
F, being followed successively by: input three still code error (413), buzzer rings, red LED lamp bright (414), dead 5 minutes of lock (415), lockup state (416);
It addition, G, be followed successively by: mobile 5 meters (417), buzzer continues to ring, red LED lamp bright (418), and car remains stationary (419), and buzzer stops ringing (420), lockup state (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076228.8A CN105620594B (en) | 2016-02-03 | 2016-02-03 | Bicycle lock based on cipher control square opening foot support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076228.8A CN105620594B (en) | 2016-02-03 | 2016-02-03 | Bicycle lock based on cipher control square opening foot support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105620594A true CN105620594A (en) | 2016-06-01 |
| CN105620594B CN105620594B (en) | 2018-02-02 |
Family
ID=56036029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610076228.8A Expired - Fee Related CN105620594B (en) | 2016-02-03 | 2016-02-03 | Bicycle lock based on cipher control square opening foot support |
Country Status (1)
| Country | Link |
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| CN (1) | CN105620594B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548568A (en) * | 2016-12-12 | 2017-03-29 | 江门市雷特诺克物联网科技有限公司 | Intelligent cipher lock, the car rental system based on cloud service and method |
| CN106780859A (en) * | 2016-11-21 | 2017-05-31 | 上海众人网络安全技术有限公司 | Control method and system that a kind of time type vehicle is unlocked/shut |
| CN110318602A (en) * | 2019-08-07 | 2019-10-11 | 上海钧正网络科技有限公司 | A kind of bicycle and lock |
| EP4450372A1 (en) * | 2023-04-17 | 2024-10-23 | Sinox Company Ltd. | Electronically controlled bicycle kickstand lock |
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| DE19636775A1 (en) * | 1995-09-12 | 1997-03-13 | Horst Bringewald | Bicycle fitted with support stand |
| CN2525006Y (en) * | 2002-01-26 | 2002-12-11 | 金保春 | Two wheel vehicle rack automatic lock |
| CN2815826Y (en) * | 2005-08-23 | 2006-09-13 | 王达敬 | Automobile support for motorcycle or electric cycle |
| CN201474451U (en) * | 2009-06-10 | 2010-05-19 | 蔡中清 | Semi-automatic lock device used for electric bicycle |
| CN102795278A (en) * | 2012-08-09 | 2012-11-28 | 邢建兵 | Novel anti-theft device implemented through automatically padlocking parked vehicles |
| CN204279719U (en) * | 2014-11-04 | 2015-04-22 | 天津佰金科技有限公司 | A kind of Self-lock means for cycles |
| CN205365831U (en) * | 2016-02-03 | 2016-07-06 | 孙思达 | Bicycle lock based on password control square -mouth foot support |
-
2016
- 2016-02-03 CN CN201610076228.8A patent/CN105620594B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19636775A1 (en) * | 1995-09-12 | 1997-03-13 | Horst Bringewald | Bicycle fitted with support stand |
| CN2525006Y (en) * | 2002-01-26 | 2002-12-11 | 金保春 | Two wheel vehicle rack automatic lock |
| CN2815826Y (en) * | 2005-08-23 | 2006-09-13 | 王达敬 | Automobile support for motorcycle or electric cycle |
| CN201474451U (en) * | 2009-06-10 | 2010-05-19 | 蔡中清 | Semi-automatic lock device used for electric bicycle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106780859A (en) * | 2016-11-21 | 2017-05-31 | 上海众人网络安全技术有限公司 | Control method and system that a kind of time type vehicle is unlocked/shut |
| CN106780859B (en) * | 2016-11-21 | 2019-07-09 | 上海众人网络安全技术有限公司 | A kind of control method and system that time type vehicle is unlocked/shut |
| CN106548568A (en) * | 2016-12-12 | 2017-03-29 | 江门市雷特诺克物联网科技有限公司 | Intelligent cipher lock, the car rental system based on cloud service and method |
| CN110318602A (en) * | 2019-08-07 | 2019-10-11 | 上海钧正网络科技有限公司 | A kind of bicycle and lock |
| EP4450372A1 (en) * | 2023-04-17 | 2024-10-23 | Sinox Company Ltd. | Electronically controlled bicycle kickstand lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105620594B (en) | 2018-02-02 |
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