CN113846586A - Automatic parking spot lock unlocking system and control method thereof - Google Patents

Automatic parking spot lock unlocking system and control method thereof Download PDF

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Publication number
CN113846586A
CN113846586A CN202111301820.0A CN202111301820A CN113846586A CN 113846586 A CN113846586 A CN 113846586A CN 202111301820 A CN202111301820 A CN 202111301820A CN 113846586 A CN113846586 A CN 113846586A
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shaped
controller
receiving unit
air cylinder
infrared receiving
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CN202111301820.0A
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CN113846586B (en
Inventor
严萍
郑伟
夏伟铭
杨阳
王小燕
王林
唐奇
董炳霖
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Chongqing Yilian Information Technology Co.,Ltd.
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Chongqing Changting Intelligent Parking Service Co ltd
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Priority to CN202111301820.0A priority Critical patent/CN113846586B/en
Publication of CN113846586A publication Critical patent/CN113846586A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/08Arrangements 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 closed position about a transverse axis situated in the road surface, e.g. tiltable sections of the road surface, tiltable parking posts
    • E01F13/085Arrangements 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 closed position about a transverse axis situated in the road surface, e.g. tiltable sections of the road surface, tiltable parking posts specially adapted for individual parking spaces
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention provides an automatic lock opening system of a parking spot lock and a control method thereof, and the automatic lock opening system comprises a rectangular fixed mounting base, wherein the top surface of the rectangular fixed mounting base is provided with a U-shaped hole penetrating through the top surface, and a rotation control device which enables a U-shaped blocking rod to rotate from the U-shaped hole and then to be in an upright or horizontal state is arranged in the rectangular fixed mounting base; when the rotation control device receives a control command for urging the U-shaped obstruction bar to be in an upright state, the rotation control device controls the U-shaped obstruction bar to be in an upright state finally; when the rotation control device receives a control command for urging the U-shaped obstruction bar to be in a horizontal state, the rotation control device controls the U-shaped obstruction bar to be in the horizontal state finally. The invention can automatically unlock the parking space and realize unattended operation.

Description

Automatic parking spot lock unlocking system and control method thereof
Technical Field
The invention relates to the technical field of parking spot locks, in particular to an automatic lock opening system of a parking spot lock and a control method thereof.
Background
The parking stall lock is a mechanical device and has the function of preventing others from occupying the own automobile parking stall and allowing the own automobile to stop at any time. The parking space lock is generally installed at 1/3 of the middle entrance of a parking space, and the installation condition is required to be on a cement flat ground. Patent application No. 2019110560873, entitled "parking stall lock, parking stall lock control circuit, parking stall lock control method and parking system", discloses including: the device comprises a shell, a lock cylinder, an image identification module, an obstacle identification module, a first electromagnetic part, a second electromagnetic part and a control module; the first electromagnetic part is fixed at the bottom of the accommodating cavity, and the second electromagnetic part is movably connected to the side wall of the accommodating cavity; the lock cylinder is arranged in the accommodating cavity, a magnetic structure is arranged at the bottom of the lock cylinder, and a limiting groove is formed in the side wall of the magnetic structure; the image recognition module is arranged on the outer side wall of the lock cylinder, and the obstacle recognition module is arranged on the top of the lock cylinder; the control module is respectively connected with the image recognition module, the obstacle recognition module, the first electromagnetic piece and the second electromagnetic piece. The parking spot lock is high in automation degree and convenient to install.
Disclosure of Invention
The invention aims to at least solve the technical problems in the prior art, and particularly innovatively provides an automatic parking space lock unlocking system and a control method thereof.
In order to achieve the purpose, the invention provides an automatic unlocking system of a parking spot lock, which comprises a rectangular fixed mounting base, wherein the top surface of the rectangular fixed mounting base is provided with a U-shaped hole penetrating through the top surface, and a rotation control device which enables a U-shaped blocking rod to rotate from the U-shaped hole and then to be in an upright or horizontal state is arranged in the rectangular fixed mounting base;
when the rotation control device receives a control command for urging the U-shaped obstruction bar to be in an upright state, the rotation control device controls the U-shaped obstruction bar to be in an upright state finally;
when the rotation control device receives a control command for urging the U-shaped obstruction bar to be in a horizontal state, the rotation control device controls the U-shaped obstruction bar to be in the horizontal state finally.
In a preferred embodiment of the present invention, the rectangular fixed mounting base is provided with a fixed mounting lug, the fixed mounting lug is provided with a lug hole penetrating through the fixed mounting lug, and the rectangular fixed mounting base is detachably mounted on the parking space after the first bolt passes through the lug hole.
In a preferred embodiment of the present invention, the rotation control means comprises a cylinder, a transverse push-pull rod, a vertical moving rod, a control module and a sliding rail;
the sliding rails are fixedly arranged on the left side and the right side of the bottom in the rectangular fixed installation base, and the vertical moving rods are arranged on the sliding rails to realize sliding on the sliding rails; one end of each vertical moving rod is provided with a vertical moving rod internal thread hole, the two ends of each transverse push-pull rod are provided with push-pull rod external threads matched with the vertical moving rod internal thread holes, and the transverse push-pull rod is detachably connected with the vertical moving rods on the left side and the right side through the push-pull rod external threads and the vertical moving rod internal thread holes; the other end of the vertical moving rod is hinged on a U-shaped mounting seat, a fixed mounting plate is hinged on the U-shaped mounting seat, a fixed mounting plate through hole penetrating through the fixed mounting plate is formed in the fixed mounting plate, a second bolt fixes the fixed mounting plate on the inner side surface of a rectangular fixed mounting base after passing through the fixed mounting plate through hole, a U-shaped mounting seat through hole penetrating through the U-shaped mounting seat is formed in the U-shaped mounting seat, a U-shaped barrier rod through hole penetrating through the U-shaped barrier rod is formed in the U-shaped barrier rod, and the U-shaped barrier rod is detachably mounted on the U-shaped mounting seat after passing through the U-shaped mounting seat through hole and the U-shaped barrier rod through hole by a third bolt;
the cylinder is fixedly arranged in the rectangular fixed mounting base, a buckle is arranged on a telescopic rod of the cylinder, and the transverse push-pull rod is clamped through the buckle; the control signal input end of the air cylinder is connected with the control signal output end of the control module;
when the control module sends a control command of an upright state to the cylinder, the telescopic rod of the cylinder extends to push the transverse push-pull rod to move in the direction away from the cylinder, and the U-shaped blocking rod rotates in the upright state direction because the other end of the vertical moving rod is hinged with the U-shaped mounting seat, and the fixed mounting plate is hinged with the U-shaped mounting seat and fixed on the inner side surface of the rectangular fixed mounting base;
when the control module sends a horizontal state control command to the cylinder, the telescopic rod of the cylinder is shortened, the transverse push-pull rod is pulled to move towards the direction close to the cylinder, and the U-shaped mounting base is hinged to the other end of the vertical moving rod, the fixed mounting plate is hinged to the U-shaped mounting base and fixed to the inner side face of the rectangular fixed mounting base, so that the U-shaped blocking rod rotates towards the horizontal state direction.
In a preferred embodiment of the present invention, the control module comprises a rectangular housing fixing seat arranged at the bottom inside the rectangular fixing seat for fixedly mounting the rectangular housing, the rectangular housing is fixedly mounted on the rectangular housing fixing seat, a PCB circuit board is arranged inside the rectangular housing, and a controller and a data wireless transmission unit are arranged on the PCB circuit board; the wireless data end of the controller is connected with the wireless data end of the data wireless transmission unit, and the control signal output end of the controller is connected with the control signal input end of the air cylinder; the controller sends a telescopic command to a telescopic rod of an air cylinder of the controller according to a control command received by the data wireless transmission unit, wherein the control command is a control command in an upright state or a control command in a horizontal state.
In a preferred embodiment of the present invention, the mobile terminal further comprises a camera disposed on the front surface of the rectangular fixed mounting base, and an image data output end of the camera is connected to an image data input end of the controller; the controller transmits the image information of the vehicle license plate which is collected by the camera and leaves the parking space to the intelligent cloud management platform through the wireless transmission unit, so that the license plate of the fee evasion vehicle is recorded.
In a preferred embodiment of the present invention, the wireless transmission unit includes one or any combination of a wireless transmission 3G unit, a wireless transmission 4G unit, a wireless transmission 5G unit, a wireless transmission WiFi unit, and a wireless transmission LoRa unit;
when the wireless transmission unit is a wireless transmission 3G unit, a wireless data 3G end of the controller is connected with a wireless data 3G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission 4G unit, the wireless data 4G end of the controller is connected with the wireless data 4G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission 5G unit, the wireless data 5G end of the controller is connected with the wireless data 5G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission WiFi unit, a wireless data WiFi end of the controller is connected with a wireless data WiFi end of the data wireless transmission unit;
when the wireless transmission unit is the wireless transmission loRa unit, the wireless data loRa end of controller links to each other with the wireless data loRa end of data wireless transmission unit.
In a preferred embodiment of the present invention, the detecting device further comprises an infrared emitting unit disposed at the bottom of the transverse push-pull rod and an infrared receiving unit disposed at the bottom of the rectangular fixed mounting base, the infrared receiving unit comprises a first infrared receiving unit and a second infrared receiving unit, the infrared data output end of the infrared receiving unit II is connected with the infrared emission second data end of the controller, the infrared data output end of the infrared receiving unit III is connected with the infrared emission third data end of the controller, and the infrared data output end of the infrared receiving unit IV is connected with the infrared emission fourth data end of the controller;
the distance between the infrared receiving unit III and the air cylinder, the distance between the infrared receiving unit I and the air cylinder, the distance between the infrared receiving unit II and the air cylinder and the distance between the infrared receiving unit IV and the air cylinder are sequentially increased, in the moving process of the transverse push-pull rod, when the infrared receiving unit III receives infrared rays emitted by the infrared emitting unit, the infrared receiving unit III is just under the infrared emitting unit, and similarly, when the infrared receiving unit I receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit I is just under the infrared emitting unit; when the infrared receiving unit II receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit II is positioned right below the infrared emitting unit; when the infrared receiving unit IV receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit IV is positioned right below the infrared emitting unit;
when the controller receives the trigger signal of the first infrared receiving unit and then receives the trigger signal of the second infrared receiving unit, the U-shaped obstructing rod is in an upright state;
when the controller receives the trigger signal of the second infrared receiving unit and then receives the trigger signal of the first infrared receiving unit, the U-shaped barrier rod is in a horizontal state;
when the controller receives a trigger signal of the infrared receiving unit III, the air cylinder stops moving firstly and then moves along the extension direction of the telescopic rod of the air cylinder until the controller receives the trigger signal of the infrared receiving unit II, and the air cylinder stops moving;
when the controller receives the trigger signal of the infrared receiving unit II, the air cylinder stops moving firstly and then moves along the direction that the telescopic rod of the air cylinder shortens until the controller receives the trigger signal of the infrared receiving unit II, and then the air cylinder stops moving.
The invention also discloses a control method of the parking spot lock automatic unlocking system, which comprises the following steps:
s1, initializing the system;
s2, the controller judges whether a control signal for changing the U-shaped obstruction bar from the vertical state to the horizontal state is received:
if the controller receives a control signal for changing the vertical state of the U-shaped blocking rod into the horizontal state, the controller sends a control signal to the air cylinder of the controller, so that the air cylinder stops moving when the controller receives a trigger signal of the first infrared receiving unit; step S3 is executed;
if the controller does not receive the control signal for changing the U-shaped blocking rod from the vertical state to the horizontal state, returning to the step S2;
s3, the controller judges whether a control signal for changing the U-shaped obstruction bar from the horizontal state to the vertical state is received:
if the controller receives a control signal for changing the horizontal state of the U-shaped blocking rod into the vertical state, the controller sends a control signal to the air cylinder of the controller, so that the air cylinder stops moving when the controller receives a trigger signal of the infrared receiving unit II; returning to step S2;
if the controller does not receive the control signal for changing the U-shaped bar from the horizontal state to the vertical state, the process returns to step S3.
In a preferred embodiment of the present invention, step S1 includes the following steps:
s11, the controller sends a control signal for changing the U-shaped obstruction bar into a horizontal state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar into the horizontal state at the moment;
s12, the controller sends a control signal for changing the U-shaped obstruction bar from the horizontal state to the vertical state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar from the horizontal state to the vertical state;
alternatively, the first and second electrodes may be,
s12, the controller sends a control signal for changing the U-shaped obstruction bar into an upright state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar into the upright state at the moment;
s11, the controller sends a control signal for changing the U-shaped obstruction bar from the vertical state to the horizontal state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar from the vertical state to the horizontal state;
s12, the controller sends a control signal to the air cylinder to change the U-shaped obstruction bar from the horizontal state to the vertical state, and the air cylinder changes the U-shaped obstruction bar from the horizontal state to the vertical state.
In a preferred embodiment of the invention, the controller transmits the image data acquired by the camera to the intelligent cloud management platform to realize light transmission of the image data;
and/or the user can scan the two-dimensional code arranged on the top surface of the rectangular fixed mounting base to realize parking.
In conclusion, due to the adoption of the technical scheme, the parking space can be automatically unlocked and controlled, and unattended operation is realized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic block diagram of the process of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The invention provides an automatic lock opening system of a parking space lock, which comprises a rectangular fixed mounting base 6, wherein a U-shaped hole 2 penetrating through the top surface is formed in the top surface of the rectangular fixed mounting base 6, and a rotation control device which enables a U-shaped blocking rod 1 to be in an upright or horizontal state after rotating from the U-shaped hole 2 is arranged in the rectangular fixed mounting base 6;
when the rotation control device receives a control command for urging the U-shaped obstruction bar 1 to be in the upright state, the rotation control device controls the U-shaped obstruction bar 1 to be in the upright state finally; the height of the U-shaped blocking rod 1 is higher than that of a chassis of the vehicle to be parked at the moment, and the vehicle to be parked cannot be parked on a parking space due to the blocking of the U-shaped blocking rod 1.
When the rotation control device receives a control command for urging the U-shaped obstruction bar 1 to be in a horizontal state, the rotation control device controls the U-shaped obstruction bar 1 to be in the horizontal state finally; the height of the rectangular fixed mounting base 6 is lower than that of the chassis of the vehicle to be parked, and the vehicle to be parked can be parked on a parking space.
In a preferred embodiment of the present invention, a fixed mounting lug 4 is provided on a rectangular fixed mounting base 6, a lug hole 3 penetrating the fixed mounting lug 4 is provided on the fixed mounting lug 4, and the rectangular fixed mounting base 6 is detachably mounted on a vehicle space after a first bolt passes through the lug hole 3.
In a preferred embodiment of the present invention, the rotation control means comprises a cylinder 12, a transverse push-pull rod 9, a vertical moving rod 8, a control module 13 and a sliding rail 7; its sliding rail 7 be the respective three of left and right sides six in total, also can be the respective whole sliding rail 7 of left and right sides, can set up according to actual conditions, in order to guarantee the better slip of vertical carriage release lever 8, is provided with the ball in sliding rail 7 to lubricating oil has been paintd.
The sliding rails 7 are fixedly arranged at the left side and the right side of the bottom in the rectangular fixed installation base 6, and the vertical moving rods 8 are arranged on the sliding rails 7 to realize sliding on the sliding rails 7; one end of each vertical moving rod 8 is provided with a vertical moving rod internal thread hole 17, the two ends of each transverse push-pull rod 9 are provided with push-pull rod 9 external threads matched with the vertical moving rod internal thread holes 17, and the transverse push-pull rod 9 is detachably connected with the vertical moving rods 8 on the left side and the right side through the push-pull rod 9 external threads and the vertical moving rod internal thread holes; the other end of the vertical moving rod 8 is hinged on a U-shaped mounting seat 15, a fixed mounting plate 14 is hinged on the U-shaped mounting seat 15, a fixed mounting plate through hole 10 penetrating through the fixed mounting plate 14 is formed in the fixed mounting plate 14, a second bolt fixes the fixed mounting plate 14 on the inner side surface of the rectangular fixed mounting base 6 after passing through the fixed mounting plate through hole 10, a U-shaped mounting seat through hole 16 penetrating through the U-shaped mounting seat 15 is formed in the U-shaped mounting seat 15, a U-shaped blocking rod through hole penetrating through the U-shaped blocking rod 1 is formed in the U-shaped blocking rod 1, and the U-shaped blocking rod 1 is detachably mounted on the U-shaped mounting seat 15 after being blocked by the U-shaped mounting seat through hole 16 and the U-shaped blocking rod through hole through a third bolt;
the cylinder 12 is fixedly arranged in the rectangular fixed mounting base 6, the tail end of the telescopic rod 11 of the cylinder 12 is provided with a buckle, and the transverse push-pull rod 9 is clamped through the buckle; the control signal input end of the air cylinder 12 is connected with the control signal output end of the control module 13;
when the control module 13 sends a control command of an upright state to the cylinder 12, the telescopic rod 11 of the cylinder 12 extends to push the transverse push-pull rod 9 to move towards the direction away from the cylinder 12, and the other end of the vertical moving rod 8 is hinged with the U-shaped mounting seat 15, the fixed mounting plate 14 is hinged with the U-shaped mounting seat 15 and fixed on the inner side surface of the rectangular fixed mounting base 6, so that the U-shaped mounting seat 15 rotates to drive the U-shaped blocking rod 1 to rotate towards the upright state;
when the control module 13 sends a horizontal state control command to the cylinder 12, the telescopic rod 11 of the cylinder 12 is shortened, the transverse push-pull rod 9 is pulled to move towards the direction close to the cylinder 12, and the other end of the vertical moving rod 8 is hinged to the U-shaped mounting seat 15, the fixed mounting plate 14 is hinged to the U-shaped mounting seat 15 and fixed on the inner side surface of the rectangular fixed mounting base 6, so that the U-shaped mounting seat 15 rotates to further drive the U-shaped blocking rod 1 to rotate towards the horizontal state direction.
In a preferred embodiment of the present invention, the control module 13 includes a rectangular housing fixing seat disposed at the bottom of the rectangular fixing seat 6 for fixedly mounting a rectangular housing, the rectangular housing is fixedly mounted on the rectangular housing fixing seat, a PCB circuit board is disposed in the rectangular housing, and a controller and a data wireless transmission unit are disposed on the PCB circuit board; the wireless data end of the controller is connected with the wireless data end of the data wireless transmission unit, and the control signal output end of the controller is connected with the control signal input end of the air cylinder 12; the controller sends a telescopic command to the telescopic rod 11 of the cylinder 12 according to a control command received by the data wireless transmission unit, wherein the control command is a control command in an upright state or a control command in a horizontal state.
In a preferred embodiment of the present invention, the present invention further comprises a camera 5 disposed on the front surface of the rectangular fixed mounting base 6, wherein an image data output end of the camera 5 is connected to an image data input end of the controller; the controller transmits the image information of the vehicle license plate which is collected by the camera 5 and leaves the parking space to the intelligent cloud management platform through the wireless transmission unit, so that the license plate of the fee evasion vehicle is recorded.
In a preferred embodiment of the present invention, the wireless transmission unit includes one or any combination of a wireless transmission 3G unit, a wireless transmission 4G unit, a wireless transmission 5G unit, a wireless transmission WiFi unit, and a wireless transmission LoRa unit;
when the wireless transmission unit is a wireless transmission 3G unit, a wireless data 3G end of the controller is connected with a wireless data 3G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission 4G unit, the wireless data 4G end of the controller is connected with the wireless data 4G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission 5G unit, the wireless data 5G end of the controller is connected with the wireless data 5G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission WiFi unit, a wireless data WiFi end of the controller is connected with a wireless data WiFi end of the data wireless transmission unit;
when the wireless transmission unit is the wireless transmission loRa unit, the wireless data loRa end of controller links to each other with the wireless data loRa end of data wireless transmission unit.
In a preferred embodiment of the present invention, the detecting device further comprises an infrared emitting unit disposed at the bottom of the transverse push-pull rod 9 and an infrared receiving unit disposed at the bottom of the rectangular fixed mounting base 6, the infrared receiving unit comprises a first infrared receiving unit and a second infrared receiving unit, the infrared data output end of the infrared receiving unit II is connected with the infrared emission second data end of the controller, the infrared data output end of the infrared receiving unit III is connected with the infrared emission third data end of the controller, and the infrared data output end of the infrared receiving unit IV is connected with the infrared emission fourth data end of the controller;
the distance between the third infrared receiving unit and the cylinder 12, the distance between the first infrared receiving unit and the cylinder 12, the distance between the second infrared receiving unit and the cylinder 12, and the distance between the fourth infrared receiving unit and the cylinder 12 are sequentially increased, in the moving process of the transverse push-pull rod 9, when the third infrared receiving unit receives infrared rays emitted by the infrared emitting unit, the third infrared receiving unit is just under the infrared emitting unit, and similarly, when the first infrared receiving unit receives infrared rays emitted by the infrared emitting unit, the first infrared receiving unit is just under the infrared emitting unit; when the infrared receiving unit II receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit II is positioned right below the infrared emitting unit; when the infrared receiving unit IV receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit IV is positioned right below the infrared emitting unit;
when the controller receives the trigger signal of the first infrared receiving unit and then receives the trigger signal of the second infrared receiving unit, the U-shaped obstruction rod 1 is in an upright state;
when the controller receives the trigger signal of the second infrared receiving unit and then receives the trigger signal of the first infrared receiving unit, the U-shaped barrier rod 1 is in a horizontal state;
when the controller receives the trigger signal of the infrared receiving unit III, the air cylinder 12 stops moving firstly, and then moves along the extending direction of the telescopic rod 11 of the air cylinder 12 until the air cylinder 12 stops moving when the controller receives the trigger signal of the infrared receiving unit II;
when the controller receives the trigger signal of the infrared receiving unit four, the air cylinder 12 stops moving at this time, and then moves along the direction in which the telescopic rod 11 of the air cylinder 12 shortens until the air cylinder 12 stops moving when the controller receives the trigger signal of the infrared receiving unit one.
The invention also discloses a control method of the parking spot lock automatic unlocking system, which comprises the following steps as shown in figure 1:
s1, initializing the system;
s2, the controller determines whether a control signal for changing the U-shaped bar 1 from the upright position to the horizontal position is received:
if the controller receives a control signal for changing the vertical state of the U-shaped blocking rod 1 into the horizontal state, the controller sends a control signal to the air cylinder 12 of the controller, so that the air cylinder 12 stops moving when the controller receives a trigger signal of the first infrared receiving unit; step S3 is executed;
if the controller does not receive the control signal for changing the U-shaped blocking rod 1 from the vertical state to the horizontal state, the process returns to step S2;
s3, the controller determines whether a control signal for changing the U-shaped bar 1 from the horizontal state to the vertical state is received:
if the controller receives a control signal for changing the horizontal state of the U-shaped blocking rod 1 into the vertical state, the controller sends a control signal to the air cylinder 12 of the controller, so that the air cylinder 12 stops moving when the controller receives a trigger signal of the infrared receiving unit II; returning to step S2;
if the controller does not receive the control signal for changing the U-shaped bar 1 from the horizontal state to the upright state, the process returns to step S3.
In a preferred embodiment of the present invention, step S1 includes the following steps:
s11, the controller sends a control signal to the air cylinder 12 to change the U-shaped obstruction bar 1 to the horizontal state, at which time the air cylinder 12 changes the U-shaped obstruction bar 1 to the horizontal state;
s12, the controller sends a control signal for changing the U-shaped obstruction bar 1 from the horizontal state to the vertical state to the air cylinder 12, and the air cylinder 12 changes the U-shaped obstruction bar 1 from the horizontal state to the vertical state;
alternatively, the first and second electrodes may be,
s12, the controller sends a control signal to the air cylinder 12 to change the U-shaped obstruction bar 1 to the upright state, at which time the air cylinder 12 changes the U-shaped obstruction bar 1 to the upright state;
s11, the controller sends a control signal for changing the U-shaped obstruction bar 1 from the vertical state to the horizontal state to the air cylinder 12, and the air cylinder 12 changes the U-shaped obstruction bar 1 from the vertical state to the horizontal state;
s12, the controller sends a control signal to the air cylinder 12 to change the U-shaped bar 1 from the horizontal state to the upright state, and the air cylinder 12 changes the U-shaped bar 1 from the horizontal state to the upright state.
In a preferred embodiment of the invention, the controller transmits the image data acquired by the camera 5 to the intelligent cloud management platform to realize light transmission of the image data; the control method for transmitting the image data acquired by the camera 5 to the intelligent cloud management platform by the controller comprises the following steps:
s71, compressing the M pieces of image data collected by the camera 5 into an image packet by the controller; the M is a positive integer greater than or equal to 1 and is respectively a 1 st acquired image, a 2 nd acquired image, a 3 rd acquired image, … … and an Mth acquired image;
s72, decompressing the image packet in the step S71 to obtain an image decompressed packet, and judging whether the attribute of the image decompressed packet is consistent with the attribute before the image packet is compressed:
if the attribute of the image decompression packet is consistent with the attribute of the image packet before compression, the attribute is the size of the storage occupied space of the file packet, and the image packet is the transmission packet to be uploaded at the moment, the step S75 is executed;
if the attribute of the image decompression packet is inconsistent with the attribute of the image packet before compression, executing the next step;
s73, performing image code calculation on the M pieces of image data acquired by the camera 5, where the image code calculation method is:
Icodem=hash(Im),
wherein, ImRepresenting the M-th captured image, M being 1, 2,3, … …, M; i is1Showing the 1 st acquired image and,I2representing the 2 nd acquired image, I3Representing the 3 rd acquired image, IMRepresenting the Mth acquired image;
hash(Im) Representing the m-th acquired image ImExecuting a hash algorithm, wherein an md5 algorithm in the hash algorithm is adopted;
Icodemrepresenting the m-th acquired image ImThe corresponding image code;
forming an image code library by the obtained image codes;
and calculating data codes of the data of the image decompression packet, wherein the calculation method of the data codes comprises the following steps:
Dcoden=hash(Dn),
wherein D isnN is 1, 2,3, … … and N, wherein N represents the total number of files in the image decompression package;
hash(Dn) Representing the nth file D in the decompressed packet of the imagenExecuting a hash algorithm, wherein an md5 algorithm in the hash algorithm is adopted;
Dcodenrepresenting the nth file D in the image decompressed packetnThe corresponding data code;
forming a data code library by the obtained data codes;
comparing the image codes in the image code library with the data codes which do not correspond to the data codes in the data code library, obtaining the files which do not correspond to the data codes according to the data codes which do not correspond to the data codes, and extracting the file names of the files;
s74, removing the files corresponding to the file names extracted from the image packages in the step S71, and obtaining transmission packages to be uploaded after removing the files;
and S75, sending the transmission packet to be uploaded to the intelligent cloud management platform.
Or/and the control method comprises the following steps that a user realizes parking by scanning the two-dimensional code arranged on the top surface of the rectangular fixed mounting base 6, and the user realizes parking by scanning the two-dimensional code arranged on the top surface of the rectangular fixed mounting base 6:
s81, scanning the two-dimensional code arranged on the top surface of the rectangular fixed mounting base 6 by using the intelligent mobile handheld terminal to acquire data information of the parking space, wherein the data information of the parking space comprises a parking space ID and a parking space charging rule;
s82, the intelligent cloud management platform judges whether parking request information of a user waiting for parking is received or not, the parking request information comprises data information of parking spaces and user personal information, and the user personal information comprises a user ID;
if the intelligent cloud management platform does not receive the parking request information of the user waiting for parking, continuing to wait, and returning to the step S82;
if the intelligent cloud management platform receives the parking request information of the user waiting for parking, executing step S83;
s83, pre-deducting fees for a user to be parked, and sending an unlocking control command to the parking spot lock corresponding to the scanned two-dimensional code after deducting the fees;
s84, when the parking user leaves the car, the user settles the account.
Step S83 includes:
judging whether the available balance in the account of the user to be parked meets the maximum required cost of the parking space charging rule or not according to the parking space charging rule:
if the available balance in the account of the user to be parked meets the maximum required cost of the parking space charging rule, the available balance in the account of the user to be parked is pre-deducted, and the available balance in the account of the user to be parked after the balance is pre-deducted is S1,S1> 0, unusable balance p2(ii) a The balance in the account of the user waiting for parking is S0,S0=S1+p2
The charging rule of the parking space is as follows:
Figure BDA0003338703930000141
wherein p (t) represents the cost of the parking time t on the parking space;
h represents a unit of time of hours;
t1is a first parking time threshold;
t2is a second parking time threshold; less than half an hour is calculated by half an hour, less than one hour is calculated by one hour;
p1representing a parking billing unit price threshold; p is a radical of1>0;
p2Representing the maximum required cost of the parking space charging rule; p is a radical of2>p1*t2
If the available balance in the user account to be parked does not meet the maximum required cost of the parking space charging rule, the available balance in the user account to be parked is the balance recharging, and the available balance in the user account to be parked after the balance recharging is S1,S1Not available balance p 02(ii) a The balance in the account of the user waiting for parking is S0=S1+p2
In a preferred embodiment of the present invention, step S84 includes:
after a parking sensor arranged on the top surface of the rectangular fixed mounting base 6 senses that a parking user drives to leave a parking space, the controller feeds back driving data information of the parking user to the intelligent cloud management platform through a data wireless transmission unit; the controller sends a control command of standing to the cylinder 12, and finally the U-shaped barrier rod 1 stands upright;
after the intelligent cloud management platform receives that the parking user drives and leaves the parking space, the parking cost is calculated according to the parking time of the parking user:
judgment of p2Relationship to parking cost:
if p is2P is the cost of parking, the final balance in the parking user account is S1
If p is2If p is greater than p, then p is judged2Whether the recharging fee is included:
if p is2If the recharging fee is included, the recharging fee is returned to the recharging account of the parking user as p2′,p2′=p2-p; the recharging account is an account for recharging the account of the parking user; returningThe available balance and the unavailable balance in the account of the post-parking user are S1,S1=0;
If p is2If the balance in the parking user account is S, the charging fee is not included in the balance1′,S1′=S1+p2-p, available balance in parking user account is S1', unavailable balance is S1,S1=0。
In a preferred embodiment of the present invention, the method for planning a navigation route for a user to be parked further comprises the following steps:
s231, the intelligent cloud management platform acquires the current position of the user to be parked and the position of the parking lot closest to the destination of the user to be parked;
s232, acquiring the total number of lines from the current position of the user to be parked to the position of the parking lot closest to the destination of the user to be parked, and respectively recording the total number as L1、L2、L3、……、LlL represents the total number of lines from the current position of the user to be parked to the position of the parking lot nearest to the destination of the user to be parked, L1Denotes the 1 st planned route, L2Denotes the 2 nd planned route, L3Denotes the 3 rd planned route, LlRepresenting the ith planned route;
s233, obtaining the cross point on each planning line and respectively recording the cross points as
Figure BDA0003338703930000151
Figure BDA0003338703930000152
Indicating the 1 st intersection on the i' th planned route,
Figure BDA0003338703930000153
the 2 nd intersection on the l 'th ruled line is shown, l' is 1, 2,3, … …, l,
Figure BDA0003338703930000154
showing the 3 rd intersection on the i' th planned route,
Figure BDA0003338703930000155
indicating the first on the ith' planned route
Figure BDA0003338703930000161
The point of intersection is,
Figure BDA0003338703930000162
indicating the total number of cross points on the I' th gauge line; calculating the angle value from each intersection point to the next intersection point, wherein the calculation method of the angle value from each intersection point to the next intersection point comprises the following steps:
Figure BDA0003338703930000163
wherein (x)0,y0,z0) Position coordinates representing a parking lot closest to a destination of the user to be parked;
(xi,yi,zi) Represents the ith intersection; 1, 2,3, … …, QLl′-1;
(xi+1,yi+1,zi+1) A next intersection representing an ith intersection;
θian angle value representing the ith intersection;
s234, counting the total angle value of each planned line, wherein the calculation method of the total angle value is as follows:
Figure BDA0003338703930000164
θ (l ') represents the total angle value on the l' th gauge line;
θi′an angle value representing the i' th intersection;
and S234, taking the planned route with the minimum total angle value as the traveling route of the user to be parked.
In a preferred embodiment of the present invention, the method for extracting a license plate of a vehicle from received image data by an intelligent cloud management platform further includes the following steps:
s31, the rectangular area of the vehicle license plate in the image is selected by the frame, and the method for selecting the rectangular area of the vehicle license plate in the image comprises the following steps:
s311, judging whether the acquired image is a color image:
if the collected image is a color image, the color image is converted into a gray image, and the method for converting the color image into the gray image comprises the following steps:
G0(i,j)=R(i,j)*r+G(i,j)*g+B(i,j)*b,
wherein, R (i, j) represents the red pixel value of the picture to be processed at the pixel point coordinate (i, j);
g (i, j) represents a green pixel value of the picture to be processed at the pixel point coordinate (i, j);
b (i, j) represents a blue pixel value of the picture to be processed at the pixel point coordinate (i, j);
r represents a scaling parameter for the red pixel value, r + g + b is 1, r ∈ [0,1 ];
g represents a proportion parameter of the green pixel value, and g belongs to [0,1 ];
b represents the scale parameter of the blue pixel value, b ∈ [0,1 ];
G0(i, j) representing the gray pixel value of the picture to be processed at the pixel point coordinate (i, j); converting the color picture into a gray picture and then executing the next step;
if the collected image is not a color picture, executing the next step;
s312, arranging the sum of the gray pixel values in the U × U pixel region from large to small, where U is 2U-1 and U belongs to {2,3,4}, selecting a pixel region corresponding to the sum of the first gray pixel values as a positioning region, and using the center point of the positioning region as a positioning point;
s313, attaching two adjacent sides of the rectangular selection frame to two adjacent sides of the picture, enabling the landing points of the rectangular selection frame to coincide with the intersection points of the two adjacent sides, enabling the landing points of the rectangular selection frame to coincide with the positioning points through up-down and left-right translation, and cutting the picture outside the rectangular selection frame to obtain a rectangular area of the license plate of the vehicle; the relation between the rectangular selection frame and the picture size is as follows:
Figure BDA0003338703930000171
wherein h' represents the height of the rectangular selection box;
ε1representing a framing coefficient value;
f represents a focal length;
h represents the total number of horizontal pixel points of the picture,
dpi represents resolution;
Figure BDA0003338703930000172
wherein w' represents the width of the rectangular selection box;
ε1representing a framing coefficient value;
f represents a focal length;
w represents the total number of vertical pixel points of the picture,
dpi represents resolution;
s32, carrying out picture identification enhancement on the picture; the method for carrying out picture identification enhancement on the picture comprises the following steps:
s321, arranging the gray values in the picture in sequence from large to small, wherein the gray values are g0、g1、g2、……、gχχ ═ h ═ w-1, where, g0Denotes the 0 th gray value, g1Denotes the 1 st gray value, g2Denotes the 2 nd gray value, gχExpressing a chi gray value, wherein chi expresses the total number of pixel points in the picture to be processed, h expresses the total number of transverse pixel points of the picture to be processed, and w expresses the total number of longitudinal pixel points of the picture to be processed;
s322, extracting the first pixel value and the last pixel value which are sequentially sequenced, and obtaining an initial gray threshold according to the first pixel value and the last pixel value, wherein the calculation method of the initial gray threshold comprises the following steps:
Figure BDA0003338703930000181
wherein, g0Representing the sorted first pixel value, namely the 0 th gray value;
gχrepresenting the sorted last pixel value, namely the x-th gray value;
Figure BDA0003338703930000182
representing an initial gray threshold;
s323, dividing the picture to be processed into a first gray value set and a second gray value set according to the initial gray threshold; the method for dividing the first gray value set and the second gray value set comprises the following steps:
Figure BDA0003338703930000183
wherein, gτDenotes the τ -th grayscale value, τ ═ 0,1, 2,3, … …, χ;
Figure BDA0003338703930000184
representing an initial gray threshold;
when I (I, j) ═ 1, g is representedτDividing into a first set of grey values;
when I (I, j) ═ 0, g meansτDividing into a second set of grey values;
s324, counting the total number of the gray values in the first gray value set, and respectively recording the total number as g0′、g1′、g2′、……、gχ′', wherein, g0' represents the 0 th gray value in the first gray value set, g1' represents the 1 st gray value in the first gray value set, g2' representing the 2 nd gray value in the first set of gray values, gχ′' represents the x ' th gray value in the first gray value set, and x ' represents the total number of the gray values in the first gray value set;
second gray value of statistical concentration grayThe total number of values is denoted as g0″、g1″、g2″、……、gχ″", wherein, g0"represents the 0 th gray value in the second gray value set, g1"represents the 1 st gray value in the second gray value set, g2"represents the 2 nd gray value in the second gray value set, gχ″"represents the χ 'th gray scale value in the second gray scale value set, χ' represents the total number of gray scale values in the second gray scale value set; χ' + χ ═ χ;
s325, calculating the first gray value of the gray values in the first gray value set, wherein the method for calculating the first gray value comprises the following steps:
Figure BDA0003338703930000191
wherein, gi' represents the ith gray value in the first gray value set;
chi' represents the total number of gray values in the first gray value set;
Figure BDA0003338703930000192
representing a first value of gray scale;
and calculating a second gray value of the gray values in the second gray value set, wherein the calculation method of the second gray value comprises the following steps:
Figure BDA0003338703930000193
wherein, gi"represents the ith gray value in the second set of gray values;
χ "represents the total number of gray values in the second gray value set;
Figure BDA0003338703930000194
representing a second value of the gray scale;
s326, obtaining a gray level judgment threshold according to the first gray level value and the second gray level value, wherein the gray level judgment threshold is calculated by:
Figure BDA0003338703930000195
wherein the content of the first and second substances,
Figure BDA0003338703930000196
representing a first value of gray scale;
Figure BDA0003338703930000197
representing a second value of the gray scale;
Figure BDA0003338703930000198
a representative gradation judgment threshold value;
judging whether the gray judgment threshold is equal to the initial gray threshold:
if the gray judgment threshold is equal to the initial gray threshold, the gray value of the pixel point corresponding to the gray value in the first gray value set is 255, and the gray value of the pixel point corresponding to the gray value in the first gray value set is 0;
if the gray level judgment threshold is smaller than the initial gray level threshold, the initial gray level threshold is made to be the gray level judgment threshold, and the step S323 is returned to;
s323, extracting vehicle license plate characters from the enhanced picture to obtain a vehicle license plate number.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An automatic unlocking system of a parking spot lock comprises a rectangular fixed mounting base and is characterized in that a U-shaped hole penetrating through the top surface is formed in the top surface of the rectangular fixed mounting base, and a rotation control device which enables a U-shaped blocking rod to rotate in the U-shaped hole and then to be in an upright or horizontal state is arranged in the rectangular fixed mounting base;
when the rotation control device receives a control command for urging the U-shaped obstruction bar to be in an upright state, the rotation control device controls the U-shaped obstruction bar to be in an upright state finally;
when the rotation control device receives a control command for urging the U-shaped obstruction bar to be in a horizontal state, the rotation control device controls the U-shaped obstruction bar to be in the horizontal state finally.
2. The automatic lock opening system for the parking space lock according to claim 1, wherein a fixing mounting lug is disposed on the rectangular fixing mounting base, a lug hole penetrating the fixing mounting lug is disposed on the fixing mounting lug, and the rectangular fixing mounting base is detachably mounted on the parking space after the first bolt passes through the lug hole.
3. The automatic unlocking system for the parking space lock according to claim 1, wherein the rotation control device comprises a cylinder, a transverse push-pull rod, a vertical moving rod, a control module and a sliding rail;
the sliding rails are fixedly arranged on the left side and the right side of the bottom in the rectangular fixed installation base, and the vertical moving rods are arranged on the sliding rails to realize sliding on the sliding rails; one end of each vertical moving rod is provided with a vertical moving rod internal thread hole, the two ends of each transverse push-pull rod are provided with push-pull rod external threads matched with the vertical moving rod internal thread holes, and the transverse push-pull rod is detachably connected with the vertical moving rods on the left side and the right side through the push-pull rod external threads and the vertical moving rod internal thread holes; the other end of the vertical moving rod is hinged on a U-shaped mounting seat, a fixed mounting plate is hinged on the U-shaped mounting seat, a fixed mounting plate through hole penetrating through the fixed mounting plate is formed in the fixed mounting plate, a second bolt fixes the fixed mounting plate on the inner side surface of a rectangular fixed mounting base after passing through the fixed mounting plate through hole, a U-shaped mounting seat through hole penetrating through the U-shaped mounting seat is formed in the U-shaped mounting seat, a U-shaped barrier rod through hole penetrating through the U-shaped barrier rod is formed in the U-shaped barrier rod, and the U-shaped barrier rod is detachably mounted on the U-shaped mounting seat after passing through the U-shaped mounting seat through hole and the U-shaped barrier rod through hole by a third bolt;
the cylinder is fixedly arranged in the rectangular fixed mounting base, a buckle is arranged on a telescopic rod of the cylinder, and the transverse push-pull rod is clamped through the buckle; the control signal input end of the air cylinder is connected with the control signal output end of the control module;
when the control module sends a control command of an upright state to the cylinder, the telescopic rod of the cylinder extends to push the transverse push-pull rod to move in the direction away from the cylinder, and the U-shaped blocking rod rotates in the upright state direction because the other end of the vertical moving rod is hinged with the U-shaped mounting seat, and the fixed mounting plate is hinged with the U-shaped mounting seat and fixed on the inner side surface of the rectangular fixed mounting base;
when the control module sends a horizontal state control command to the cylinder, the telescopic rod of the cylinder is shortened, the transverse push-pull rod is pulled to move towards the direction close to the cylinder, and the U-shaped mounting base is hinged to the other end of the vertical moving rod, the fixed mounting plate is hinged to the U-shaped mounting base and fixed to the inner side face of the rectangular fixed mounting base, so that the U-shaped blocking rod rotates towards the horizontal state direction.
4. The automatic lock opening system for the parking space lock according to claim 2, wherein the control module comprises a rectangular casing fixing mounting seat arranged at the bottom in the rectangular fixing mounting seat and used for fixedly mounting a rectangular casing, the rectangular casing is fixedly mounted on the rectangular casing fixing mounting seat, a PCB circuit board is arranged in the rectangular casing, and a controller and a data wireless transmission unit are arranged on the PCB circuit board; the wireless data end of the controller is connected with the wireless data end of the data wireless transmission unit, and the control signal output end of the controller is connected with the control signal input end of the air cylinder; the controller sends a telescopic command to a telescopic rod of an air cylinder of the controller according to a control command received by the data wireless transmission unit, wherein the control command is a control command in an upright state or a control command in a horizontal state.
5. The automatic lock opening system for the parking space lock according to claim 4, further comprising a camera arranged on the front face of the rectangular fixed mounting base, wherein an image data output end of the camera is connected with an image data input end of the controller; the controller transmits the image information of the vehicle license plate which is collected by the camera and leaves the parking space to the intelligent cloud management platform through the wireless transmission unit, so that the license plate of the fee evasion vehicle is recorded.
6. The automatic lock unlocking system for the parking stall lock according to claim 4, wherein the wireless transmission unit comprises one or any combination of a wireless transmission 3G unit, a wireless transmission 4G unit, a wireless transmission 5G unit, a wireless transmission WiFi unit and a wireless transmission LoRa unit;
when the wireless transmission unit is a wireless transmission 3G unit, a wireless data 3G end of the controller is connected with a wireless data 3G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission 4G unit, the wireless data 4G end of the controller is connected with the wireless data 4G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission 5G unit, the wireless data 5G end of the controller is connected with the wireless data 5G end of the data wireless transmission unit;
when the wireless transmission unit is a wireless transmission WiFi unit, a wireless data WiFi end of the controller is connected with a wireless data WiFi end of the data wireless transmission unit;
when the wireless transmission unit is the wireless transmission loRa unit, the wireless data loRa end of controller links to each other with the wireless data loRa end of data wireless transmission unit.
7. The automatic lock opening system of a parking space lock according to claim 3, further comprising a detection device, wherein the detection device comprises an infrared emission unit arranged at the bottom of the transverse push-pull rod and an infrared receiving unit arranged on the inner bottom surface of the rectangular fixed mounting base, the infrared receiving unit comprises a first infrared receiving unit and a second infrared receiving unit, the infrared data output end of the infrared receiving unit II is connected with the infrared emission second data end of the controller, the infrared data output end of the infrared receiving unit III is connected with the infrared emission third data end of the controller, and the infrared data output end of the infrared receiving unit IV is connected with the infrared emission fourth data end of the controller;
the distance between the infrared receiving unit III and the air cylinder, the distance between the infrared receiving unit I and the air cylinder, the distance between the infrared receiving unit II and the air cylinder and the distance between the infrared receiving unit IV and the air cylinder are sequentially increased, in the moving process of the transverse push-pull rod, when the infrared receiving unit III receives infrared rays emitted by the infrared emitting unit, the infrared receiving unit III is just under the infrared emitting unit, and similarly, when the infrared receiving unit I receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit I is just under the infrared emitting unit; when the infrared receiving unit II receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit II is positioned right below the infrared emitting unit; when the infrared receiving unit IV receives the infrared rays emitted by the infrared emitting unit, the infrared receiving unit IV is positioned right below the infrared emitting unit;
when the controller receives the trigger signal of the first infrared receiving unit and then receives the trigger signal of the second infrared receiving unit, the U-shaped obstructing rod is in an upright state;
when the controller receives the trigger signal of the second infrared receiving unit and then receives the trigger signal of the first infrared receiving unit, the U-shaped barrier rod is in a horizontal state;
when the controller receives a trigger signal of the infrared receiving unit III, the air cylinder stops moving firstly and then moves along the extension direction of the telescopic rod of the air cylinder until the controller receives the trigger signal of the infrared receiving unit II, and the air cylinder stops moving;
when the controller receives the trigger signal of the infrared receiving unit II, the air cylinder stops moving firstly and then moves along the direction that the telescopic rod of the air cylinder shortens until the controller receives the trigger signal of the infrared receiving unit II, and then the air cylinder stops moving.
8. A control method of an automatic lock opening system of a parking spot lock is characterized by comprising the following steps:
s1, initializing the system;
s2, the controller judges whether a control signal for changing the U-shaped obstruction bar from the vertical state to the horizontal state is received:
if the controller receives a control signal for changing the vertical state of the U-shaped blocking rod into the horizontal state, the controller sends a control signal to the air cylinder of the controller, so that the air cylinder stops moving when the controller receives a trigger signal of the first infrared receiving unit; step S3 is executed;
if the controller does not receive the control signal for changing the U-shaped blocking rod from the vertical state to the horizontal state, returning to the step S2;
s3, the controller judges whether a control signal for changing the U-shaped obstruction bar from the horizontal state to the vertical state is received:
if the controller receives a control signal for changing the horizontal state of the U-shaped blocking rod into the vertical state, the controller sends a control signal to the air cylinder of the controller, so that the air cylinder stops moving when the controller receives a trigger signal of the infrared receiving unit II; returning to step S2;
if the controller does not receive the control signal for changing the U-shaped bar from the horizontal state to the vertical state, the process returns to step S3.
9. The control method of the parking space lock automatic unlocking system according to claim 8, wherein the step S1 includes the following steps:
s11, the controller sends a control signal for changing the U-shaped obstruction bar into a horizontal state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar into the horizontal state at the moment;
s12, the controller sends a control signal for changing the U-shaped obstruction bar from the horizontal state to the vertical state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar from the horizontal state to the vertical state;
alternatively, the first and second electrodes may be,
s12, the controller sends a control signal for changing the U-shaped obstruction bar into an upright state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar into the upright state at the moment;
s11, the controller sends a control signal for changing the U-shaped obstruction bar from the vertical state to the horizontal state to the air cylinder, and the air cylinder changes the U-shaped obstruction bar from the vertical state to the horizontal state;
s12, the controller sends a control signal to the air cylinder to change the U-shaped obstruction bar from the horizontal state to the vertical state, and the air cylinder changes the U-shaped obstruction bar from the horizontal state to the vertical state.
10. The control method of the parking space lock automatic unlocking system according to claim 8, wherein the controller transmits image data acquired by the camera to the intelligent cloud management platform to realize light transmission of the image data;
and/or the user can scan the two-dimensional code arranged on the top surface of the rectangular fixed mounting base to realize parking.
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Citations (6)

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Publication number Priority date Publication date Assignee Title
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CN211547504U (en) * 2019-12-27 2020-09-22 汪海兰 Parking stall lock with intelligent recognition function
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CN112349137A (en) * 2020-11-02 2021-02-09 海南快停科技有限公司 Intelligent sharing parking space management system
CN213538770U (en) * 2020-09-21 2021-06-25 兰州金骏达电子科技有限公司 Intelligence parking stall lock convenient to installation has license plate recognition function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107703795A (en) * 2017-09-19 2018-02-16 昆明理工大学 A kind of automotive parking lock control device of view-based access control model identification
CN110942666A (en) * 2019-12-16 2020-03-31 广州奕航科技有限公司 Precise parking management method
CN211547504U (en) * 2019-12-27 2020-09-22 汪海兰 Parking stall lock with intelligent recognition function
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