CN111047722A - Automatic electricity-saving vehicle management system for parking lot - Google Patents
Automatic electricity-saving vehicle management system for parking lot Download PDFInfo
- Publication number
- CN111047722A CN111047722A CN201911206454.3A CN201911206454A CN111047722A CN 111047722 A CN111047722 A CN 111047722A CN 201911206454 A CN201911206454 A CN 201911206454A CN 111047722 A CN111047722 A CN 111047722A
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- CN
- China
- Prior art keywords
- parking lot
- rectangular
- metal plate
- control room
- railing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/02—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems
- G07B15/04—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems comprising devices to free a barrier, turnstile, or the like
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/42—Devices or arrangements peculiar to garages, not covered elsewhere, e.g. securing devices, safety devices, monitoring and operating schemes; centering devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/42—Devices or arrangements peculiar to garages, not covered elsewhere, e.g. securing devices, safety devices, monitoring and operating schemes; centering devices
- E04H6/422—Automatically operated car-parks
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of intelligent parking lot control, and discloses an automatic electricity-saving vehicle management system for a parking lot, which comprises a control room, wherein the control room is a control room with the size of three meters, a display table is fixedly arranged on the ground on the right side of the control room, the display table is of a rectangular structure, a display screen is fixedly arranged on the front wall surface of the display table, a monitor is fixedly arranged on the upper wall surface of the display table, a rectangular groove is formed in the ground on the right side of the control room, and the rectangular groove is a rectangular groove. According to the invention, the handrail can be secondarily fixed by the electromagnetic force of the electromagnetic plate after being jacked up through the electromagnetic plate, after a vehicle leaves the metal plate, the control room transmits a signal to the electromagnetic plate, meanwhile, the electromagnetic plate loses the electromagnetic force, the electromagnetic plate releases the secondary fixation of the handrail, and the secondary fixation of the electromagnetic plate prevents the handrail from being lifted up and fixed and firmly colliding with the vehicle, protects the vehicles in the coming and going directions, and plays a role in preventing the handrail from colliding with the vehicle.
Description
Technical Field
The invention relates to the technical field of intelligent parking lot control, in particular to an automatic electricity-saving vehicle management system for a parking lot.
Background
An intelligent parking lot management system is a general name of modern parking lot vehicle charging and equipment automatic management. The parking lot is a high-technology electromechanical integrated product which completely places the parking lot under the unified management of a computer. It uses induction card IC card or ID card (the latest technology has two-card compatible parking lot) as carrier, and uses intelligent equipment to make induction card record the information related to the entrance and exit of vehicle and card holder, at the same time, it can make operation and transmission of said information, and utilizes the human-computer interfaces of character display and speech broadcast to convert it into manual signals which can be distinguished and judged so as to implement the goal of timing charging and vehicle management.
In the prior art, a lot of manpower and logistics need to be invested in the management of a parking lot, managers need to charge on site or control fences for regulating and controlling the exits of the parking lot frequently, the fences need to be manually controlled by the managers to lift and release vehicles, particularly in summer electricity consumption peak, a common intelligent parking lot management system needs twenty-four hours of uninterrupted power control, a large amount of electric power is wasted, and a novel dynamic intelligent parking lot vehicle management device is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic electricity-saving vehicle management system for a parking lot, which has the advantages of saving electricity and human resources and the like, and solves the problems of manpower control and waste of electricity resources.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an automatic electricity-saving vehicle management system for a parking lot comprises a control room, wherein the control room is a control room with the size of three meters, a display platform is fixedly mounted on the right side of the control room on the ground and is of a rectangular structure, a display screen is fixedly mounted on the front wall surface of the display platform, a monitor is fixedly mounted on the upper wall surface of the display platform, a rectangular groove is formed in the right side of the control room on the ground and is a rectangular groove, two limit blocks are fixedly mounted on the inner bottom surface of the rectangular groove, the left sides of the two limit blocks are far away from each other, the limit blocks are of rectangular structures, two rectangular springs are fixedly mounted on the inner wall surface of the rectangular groove and are located between the two limit blocks, a metal plate is arranged above the rectangular groove and is of rectangular structure, and the size of the metal plate is the same as the inside size of the rectangular groove, the upper ends of the two rectangular springs are fixedly connected to the lower wall surface of the metal plate.
Preferably, the upper wall surface of the metal plate is provided with a limiting hole, the limiting hole is a circular groove, the number of the limiting holes is set according to the size of the metal plate, cylindrical springs are fixedly mounted on the inner bottom surface of the limiting hole, baffles are fixedly connected to the upper ends of the cylindrical springs, and cylindrical rods are fixedly connected to the outer wall of the right side of the metal plate.
Preferably, the right side fixed mounting of metal sheet has the bracing piece, the upper end swing joint of bracing piece has the balance rod, the subaerial fixed mounting in right side of bracing piece has a supporting bench, a supporting bench is the rectangle structure, fixedly connected with rectangle platform on a supporting bench's the right side wall, the rectangle platform is the rectangle structure.
Preferably, fixedly connected with electromagnetic plate on the left side wall of rectangle platform, the electromagnetic plate is the electromagnetic plate that can regulate and control, the last wall fixed mounting of brace table has the revolving stage, the revolving stage is the recess piece of a rectangle, the through-hole intercommunication has been seted up to the front and back wall in the right side of revolving stage wall around the revolving stage, the left side of revolving stage is provided with the railing, the railing is the pole of rectangle, the railing is the metal material.
Preferably, the railing prolongs inside the recess that passes the revolving stage right, the front side of revolving stage is provided with the roller bearing, the through-hole that the roller bearing passed the revolving stage backward runs through the front and back wall of railing inside the recess of revolving stage with the railing joint, the lower wall fixed mounting of railing has the fixed column, the fixed column is columniform pole, the fixed column corresponds from top to bottom with the direction in the spacing hole in below.
Preferably, the quantity of fixed column with the quantity in spacing hole is unanimous, the last wall fixed mounting of metal sheet has the telescopic link, the square groove has been seted up on the left side wall of brace table, the square groove is the groove of rectangle, wall fixed mounting has the controller on the inside of square groove, the controller is a controller button, balanced rod extends to the inside of square groove right side, contracts the controller and is located directly over balanced rod right side wall.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic electricity-saving vehicle management system for a parking lot, which has the following beneficial effects:
1. the parking lot vehicle dynamic intelligent management device comprises a metal plate, when a vehicle enters and exits a parking lot, the vehicle is pressed above the metal plate, the metal plate moves towards the lower part, a rectangular spring deforms downwards, finally the lower wall surface of the metal plate is pressed above a limiting block, at the moment, a cylindrical rod moves downwards along with the metal plate, the metal plate cannot touch the ground, the metal plate is pressed on the left side of a balance stick, the right side of the balance stick moves upwards, the balance stick is similar to a seesaw principle, the upper wall surface on the right side of the balance stick touches a controller, the controller sends a signal to a control room after receiving extrusion, at the moment, a monitor starts, the monitor carries out vehicle video license plate recognition and shape, information such as the parking lot parking space quantity and charging standard can be displayed on a display screen of a display platform, when a vehicle owner pays a vehicle fee or after the vehicle owner is recognized by the monitor, a telescopic rod which, after the vehicle left the parking area or got into the parking area, the upper surface of metal sheet can be left to the vehicle, metal sheet rebound this moment, the rectangle spring resumes deformation upwards, the cylinder stick is along with the metal sheet rebound, the wall does not have the downward pressure of cylinder stick on the left side of balance rod, the wall resumes rebound on the left side of baffle, the wall leaves the controller on the right side of balance rod, the controller loses can the transmission signal give the control room after the balance rod aligns the extrusion, receive in the control room that the vehicle leaves the demonstration that signal on the metal sheet can self-closing watch-dog and display stand, automatic awakening vehicle management device has been played, intelligent management device's power consumption has been practiced thrift simultaneously.
2. This parking area vehicle developments intelligent management device, through the electromagnetic plate, can be fixed by electromagnetic plate electromagnetic force secondary after railing jack-up, after the vehicle left the metal sheet, control room transmission signal gave the electromagnetic plate, the electromagnetic plate loses the electromagnetic force simultaneously, the electromagnetic plate is relieved and is fixed to the secondary of railing, the secondary of electromagnetic plate is fixed to have played and prevented that the railing from rising the circumstances of fixed insecure touchhing the vehicle and taking place, has protected the vehicle of coming and going, has played the preventive action that the railing collided the vehicle.
3. This parking area vehicle developments intelligent management device descends through control room control telescopic link, and the railing can the action of gravity downstream, and the fixed column meeting joint of final railing below is in the inside in spacing hole, and the fixed column joint fixed column can press the last wall at the baffle in the inside in spacing hole, and the cylindrical spring of baffle below plays the cushioning effect to the baffle.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of a metal plate according to the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view of FIG. 1 at B;
FIG. 5 is an exploded view of the turntable according to the present invention.
In the figure: the device comprises a control room 1, a display table 2, a monitor 3, a rectangular groove 4, a limiting block 5, a rectangular spring 6, a metal plate 7, a limiting hole 8, a cylindrical spring 9, a baffle 10, a cylindrical rod 11, a supporting rod 12, a balance rod 13, a controller 14, a supporting table 15, a rectangular table 16, an electromagnetic plate 17, a roller 18, a rotating table 19, a railing 20, a fixing column 21, a square groove 22 and a telescopic rod 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an automatic power-saving vehicle management system for a parking lot includes a control room 1, the control room 1 is a control room with a size of three meters, a display stand 2 is fixedly mounted on the right side ground of the control room 1, the display stand 2 is in a rectangular structure, a display screen is fixedly mounted on the front wall surface of the display stand 2, the display stand 2 displays various information of vehicles coming and going, a monitor 3 is fixedly mounted on the upper wall surface of the display stand 2, the monitor 3 is in the existing structure, which is not described herein again, a rectangular groove 4 is formed on the right side ground of the control room 1, the rectangular groove 4 is a rectangular groove, two limit blocks 5 are fixedly mounted on the inner bottom surface of the rectangular groove 4, the left sides of the two limit blocks 5 are far away from each other, the limit blocks 5 are in a rectangular structure, two rectangular springs 6 are fixedly mounted on the inner wall surface of the rectangular groove 4, the two rectangular springs 6 are of an existing structure, and are not described herein in detail, the two rectangular springs 6 are located between two limiting blocks 5, a metal plate 7 is arranged above the rectangular groove 4, the metal plate 7 is of a rectangular structure, the size of the metal plate 7 is the same as the size of the inside of the rectangular groove 4, the upper ends of the two rectangular springs 6 are fixedly connected to the lower wall surface of the metal plate 7, a limiting hole 8 is formed in the upper wall surface of the metal plate 7, the limiting hole 8 is a circular groove, the number of the limiting holes 8 is set according to the size of the metal plate 7, cylindrical springs 9 are fixedly mounted on the inner bottom surfaces of the limiting holes 8, the cylindrical springs 9 are of an existing structure, and are not described herein in detail, the upper ends of the cylindrical springs 9 are fixedly connected with a baffle plate 10, and the outer wall of the right side of the metal plate 7 is fixedly connected with a cylindrical rod 11, the utility model discloses a support structure of metal sheet 7, including metal sheet 7, bracing piece 12, the upper end swing joint of bracing piece 12 has balance rod 13, the subaerial fixed mounting in right side of bracing piece 12 has a supporting bench 15, supporting bench 15 is the rectangle structure, fixedly connected with rectangle platform 16 on the right side wall of supporting bench 15, rectangle platform 16 is the rectangle structure, fixedly connected with electromagnetic plate 17 on the left side wall of rectangle platform 16, electromagnetic plate 17 is the equipment of electromagnetism that can regulate and control, supporting bench 15's last wall fixed mounting has revolving stage 19, revolving stage 19 is the recess piece of a rectangle, through-hole intercommunication has been seted up to the front and back wall in the right side of revolving stage 19, the left side of revolving stage 19 is provided with railing 20, railing 20 is the pole of rectangle, railing 20 is the metal material, railing 20 prolongs the recess inside of revolving stage 19 is passed to the right side, the front side of the rotating platform 19 is provided with a roller 18, the roller 18 passes through the through hole of the rotating platform 19 backwards and penetrates through the front wall surface and the rear wall surface of the railing 20 to clamp the railing 20 in the groove of the rotating platform 19, a fixed post 21 is fixedly installed on the lower wall of the handrail 20, the fixed post 21 is a cylindrical rod, the fixed columns 21 correspond to the limiting holes 8 at the lower part up and down, the number of the fixed columns 21 is consistent with that of the limiting holes 8, the upper wall surface of the metal plate 7 is fixedly provided with a telescopic rod 23, the telescopic rod 23 is the structure which is not described herein, a square groove 22 is arranged on the left side wall surface of the support platform 15, the square groove 22 is a rectangular groove, the controller 14 is fixedly installed on the upper wall surface inside the square groove 22, the controller 14 is a controller button, the balance bar 13 extends to the right into the square groove 22, and the contraction controller 14 is positioned right above the right side wall surface of the balance bar 13.
The working principle is as follows:
when the vehicle parking lot is used, when a vehicle goes in and out of the parking lot, the vehicle is pressed above the metal plate 7, the metal plate 7 moves towards the lower part, the rectangular spring 6 deforms downwards, finally the lower wall surface of the metal plate 7 is pressed above the limiting block 5, at the moment, the cylindrical rod 11 moves downwards along with the metal plate 7, the metal plate 7 cannot touch the ground, the metal plate 7 is pressed on the left side of the balance stick 13, the right side of the balance stick 13 moves upwards, similar to a seesaw principle, the upper wall surface of the right side of the balance stick 13 touches the controller 14, the controller 14 receives the extrusion and transmits a signal to the control room 1, at the moment, the monitor 3 starts, the monitor 3 performs vehicle video recognition on license plates and shapes, information such as the number of parking lots and charging standards can be displayed on a display screen of the parking lot 2, and after a vehicle owner delivers a vehicle fee or is recognized by the monitor 3, the telescopic rod 23 in the control room 1 can extend, the rail 20 is secondarily fixed by the electromagnetic force of the electromagnetic plate 17 after being jacked up, after a vehicle leaves a parking lot or enters the parking lot, the vehicle leaves the upper surface of the metal plate 7, at the moment, the metal plate 7 moves upwards, the rectangular spring 6 restores to deform upwards, the cylindrical rod 11 moves upwards along with the metal plate 7, the upper wall surface on the left side of the balance rod 13 does not have the downward pressure of the cylindrical rod 11, the upper wall surface on the left side of the baffle 10 restores to move upwards, the upper wall surface on the right side of the balance rod 13 leaves the controller 14, the controller 14 loses the alignment and extrusion of the balance rod 13 and then transmits a signal to the control room 1, the monitor 3 and the display of the display platform 2 can be automatically closed when the signal that the vehicle leaves the metal plate 7 is received in the control room 1, meanwhile, the electromagnetic plate 17 loses the electromagnetic force, the electromagnetic plate 17 releases the secondary fixation on the rail 20, railing 20 loses telescopic link 23 to the ascending extrusion force of railing 20, and railing 20 can the action of gravity downstream, and fixed column 21 of railing 20 below can the joint in spacing hole 8's inside at last, and fixed column 21 can press the last wall at baffle 10 when the joint of fixed column 21 is in spacing hole 8's inside, and cylindrical spring 9 of baffle 10 below plays the cushioning effect to baffle 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An automated electricity-saving vehicle management system for a parking lot, comprising a control room (1), characterized in that: the display device is characterized in that a display table (2) is fixedly mounted on the right side of the control room (1) on the ground, a display screen is fixedly mounted on the front wall face of the display table (2), a monitor (3) is fixedly mounted on the upper wall face of the display table (2), a rectangular groove (4) is formed in the right side of the control room (1) on the ground, two limit blocks (5) are fixedly mounted on the inner bottom face of the rectangular groove (4), two rectangular springs (6) are fixedly mounted on the inner wall face of the rectangular groove (4), a metal plate (7) is arranged above the rectangular groove (4), a limit hole (8) is formed in the upper wall face of the metal plate (7), the limit hole (8) is a circular groove, cylindrical springs (9) are fixedly mounted on the inner bottom face of the limit hole (8), and a cylindrical rod (11) is fixedly connected to the outer wall of the right side of the metal, the right side of the metal plate (7) is fixedly provided with a supporting rod (12), the upper end of the supporting rod (12) is movably connected with a balance rod (13), the right side of the supporting rod (12) is fixedly provided with a supporting table (15) on the ground, the right side wall surface of the supporting table (15) is fixedly connected with a rectangular table (16), the left side wall surface of the rectangular table (16) is fixedly connected with an electromagnetic plate (17), the upper wall surface of the supporting table (15) is fixedly provided with a rotating table (19), the left side of the rotating table (19) is provided with a railing (20), the front side of the rotating table (19) is provided with a roller (18), the lower wall of the railing (20) is fixedly provided with a fixed column (21), the upper wall surface of the metal plate (7) is fixedly provided with an expansion link (23), and the left side, wall fixed mounting has controller (14) on the inside of square groove (22), balanced rod (13) extend to the inside of square groove (22) right side, shrink controller (14) and are located balanced rod (13) right side wall directly over.
2. An automated electricity-saving vehicle management system for a parking lot according to claim 1, characterized in that: the left sides of the two limiting blocks (5) are far away from each other, and the two rectangular springs (6) are located between the two limiting blocks (5).
3. An automated electricity-saving vehicle management system for a parking lot according to claim 1, characterized in that: the size of the metal plate (7) is the same as the size of the inside of the rectangular groove (4), the upper ends of the two rectangular springs (6) are fixedly connected to the lower wall face of the metal plate (7), and the upper ends of the cylindrical springs (9) are fixedly connected with baffle plates (10).
4. An automated electricity-saving vehicle management system for a parking lot according to claim 1, characterized in that: the recess piece of revolving stage (19) for a rectangle, the through-hole intercommunication has been seted up to the right front rear wall face of revolving stage (19) the front and back wall face of revolving stage (19), railing (20) are the pole of rectangle, railing (20) extend right and pass the recess inside of revolving stage (19).
5. An automated electricity-saving vehicle management system for a parking lot according to claim 1, characterized in that: the through hole that roller bearing (18) backward passed revolving stage (19) runs through railing (20) front and back wall with railing (20) joint in the recess inside of revolving stage (19).
6. An automated electricity-saving vehicle management system for a parking lot according to claim 1, characterized in that: the fixing columns (21) correspond to the limiting holes (8) in the lower portion in the vertical direction, and the number of the fixing columns (21) is consistent with that of the limiting holes (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911206454.3A CN111047722A (en) | 2019-11-29 | 2019-11-29 | Automatic electricity-saving vehicle management system for parking lot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911206454.3A CN111047722A (en) | 2019-11-29 | 2019-11-29 | Automatic electricity-saving vehicle management system for parking lot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111047722A true CN111047722A (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911206454.3A Pending CN111047722A (en) | 2019-11-29 | 2019-11-29 | Automatic electricity-saving vehicle management system for parking lot |
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| CN (1) | CN111047722A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112258712A (en) * | 2020-09-08 | 2021-01-22 | 福建云晟物联网科技有限公司 | Intelligent access control system for non-motor vehicle parking lot |
-
2019
- 2019-11-29 CN CN201911206454.3A patent/CN111047722A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112258712A (en) * | 2020-09-08 | 2021-01-22 | 福建云晟物联网科技有限公司 | Intelligent access control system for non-motor vehicle parking lot |
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Application publication date: 20200421 |