CN114333350A - 5G intelligent laser parking space sensor - Google Patents
5G intelligent laser parking space sensor Download PDFInfo
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- CN114333350A CN114333350A CN202111548591.2A CN202111548591A CN114333350A CN 114333350 A CN114333350 A CN 114333350A CN 202111548591 A CN202111548591 A CN 202111548591A CN 114333350 A CN114333350 A CN 114333350A
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Abstract
The invention provides a 5G intelligent laser parking space sensor, which comprises: the shell is used for being installed on the ground corresponding to the parking space or arranged on a wall when the parking space leans against the wall; the TOF sensor is embedded on the shell and used for detecting whether a vehicle stops at a parking place or not; the first controller is arranged in the shell and is electrically connected with the TOF sensor; and the communication module is arranged in the shell, is electrically connected with the first controller and is connected to an external platform. The 5G intelligent laser parking space sensor realizes wireless data transmission through the communication module, is convenient to install and does not need wiring.
Description
Technical Field
The invention relates to the technical field of parking space sensors, in particular to a 5G intelligent laser parking space sensor.
Background
With the development of electronic technology, parking management gradually changes from manual management to intelligent management based on a parking lot management system; the existing parking lot management system generally adopts the earth magnetism or the camera to judge whether the parking space is free or not and whether a vehicle stops on the parking space, but the earth magnetism or the camera has the defects of troublesome wiring and the like.
Disclosure of Invention
One of the purposes of the invention is to provide a 5G intelligent laser parking space sensor which realizes wireless transmission of data through a communication module, is convenient to install and does not need wiring.
The embodiment of the invention provides a 5G intelligent laser parking space sensor, which comprises:
the shell is used for being installed on the ground corresponding to the parking space or arranged on a wall when the parking space leans against the wall;
the TOF sensor is embedded on the shell and used for detecting whether a vehicle stops at a parking place or not;
the first controller is arranged in the shell and is electrically connected with the TOF sensor;
and the communication module is arranged in the shell, is electrically connected with the first controller and is connected to an external platform.
Preferably, the shell is conical, the upper part of the shell is a platform, and the two sides of the shell are provided with mounting holes; the TOF sensor is arranged in the middle of an inclined plane with the inclination of the shell being 45-60 degrees.
Preferably, the window for embedding the TOF sensor, which is formed in the housing, is coated with a coating of a material that transmits infrared light 940 nm.
Preferably, when the TOF sensor is embedded and installed on a window which is arranged on the shell and used for embedding the TOF sensor, the detecting head is sleeved outside by the silica gel sleeve, and the hollow part of the silica gel sleeve is aligned to the transmitting opening and the receiving opening of the TOF sensor.
Preferably, the rear half of the housing mounted on the ground of the parking space is used as a car stopper.
Preferably, 5G intelligence laser parking stall inductor still includes:
the at least one pressure sensor is arranged on one side surface of the shell, in which the TOF sensor is embedded, and is electrically connected with the first controller;
the first controller performs the following operations:
receiving a mating connection of a wheel restraint disposed forward of the housing;
acquiring a pressure value detected by a pressure sensor through the pressure sensor;
when the pressure value is increased from zero to a preset first threshold value, a starting signal is sent to the wheel limiter through the communication module; the wheel limiter is started, and the wheels of the vehicle stopped at the parking space are limited between the wheel limiter and the shell;
when the pressure value is increased from the first threshold value to a preset second threshold value, sending a limitation removing signal to the wheel limiter through the communication module; the wheel limiter resets to cancel the limitation to the wheel;
wherein, the vehicle limiter includes:
the main body is embedded on the ground in front of the shell; a limiting and arranging groove is formed in the upper surface of the main body;
the limiting body is arranged in the limiting arrangement groove;
one end of the telescopic mechanism is fixedly connected with the limiting body, and the other end of the telescopic mechanism is fixedly connected with the bottom of the limiting arrangement groove;
the second controller is arranged in the main body and is electrically connected with the telescopic mechanism;
and the short-distance communication module is arranged in the main body and is electrically connected with the second controller.
Preferably, 5G intelligence laser parking stall inductor still includes:
the RFID identification module is arranged in the shell and is electrically connected with the first controller;
the first reminding module is arranged on the surface of the shell and electrically connected with the first controller;
the first controller performs the following operations:
when a polling instruction sent by an external platform is received through the communication module, the RFID identification module is started;
identifying the RFID identity card of the worker through an RFID identification module;
when the RFID identity card is identified, determining whether the TOF sensor is triggered;
when the TOF sensor is triggered, a first reminding module sends out a first reminding;
wherein, first warning module includes: an indicator light or a buzzer;
the first reminder includes: the indicator light flickers at a preset first flickering speed or the buzzer buzzes at a preset first time interval.
Preferably, the first controller further performs the following operations:
when the connection with the external platform is disconnected, the RFID identification module is started;
when the RFID identification card of the worker is identified through the RFID identification module, a second prompt is sent through the first prompt module;
the second reminder includes: the indicator light flashes at a preset second flashing speed or the buzzer buzzes at a preset second time interval.
Preferably, 5G intelligence laser parking stall inductor still includes:
the second reminding module is arranged on the outer ring ground of the parking space and close to the position of the cab or the auxiliary cab or arranged on a wall when the parking space leans against the wall, and is in communication connection with the first controller;
the first controller performs the following operations:
receiving a first judgment threshold value and a second judgment threshold value sent by an external platform through a communication module; the first decision threshold is greater than the second decision threshold;
acquiring a distance value detected by a TOF sensor;
when the distance value is smaller than or equal to the first judgment threshold value, controlling the second reminding module to operate in a preset first reminding mode;
when the distance value is smaller than or equal to a second judgment threshold value, controlling a second reminding module to operate in a preset second reminding mode;
the steps of determining the first judgment threshold value and the second judgment threshold value by the external platform are as follows:
analyzing parameter information of vehicles entering the parking lot within a preset time period taking the current moment as a termination point through a video shot by an image acquisition device arranged at the entrance and exit position of the parking lot;
determining a first threshold and a second threshold corresponding to each vehicle based on each parameter information and a preset judgment threshold determination library;
taking the maximum value of the first threshold values corresponding to the vehicles as a first determination threshold value;
the maximum value of the second threshold values corresponding to the respective vehicles is used as the second determination threshold value.
Preferably, 5G intelligence laser parking stall inductor still includes:
the first angle adjusting mechanism is arranged in the shell and used for adjusting the detection angle of the TOF sensor in the horizontal direction;
the second angle adjusting mechanism is arranged in the shell and used for adjusting the detection angle of the TOF sensor in the vertical direction;
the first angle adjusting mechanism and the second angle adjusting mechanism are electrically connected with the first controller respectively;
the first controller performs the following operations:
when a TOF sensor detects that a preset first time passes after a vehicle is parked on a parking space, controlling a first angle adjusting mechanism and a second angle adjusting mechanism to operate according to a preset operation mode, and carrying out scanning detection through the TOF sensor;
sending the detection data after scanning detection to an external platform through a communication module; the external platform analyzes whether the abnormality occurs or not based on the detection data; when abnormality occurs, the external platform sends an abnormality determining instruction to the mobile terminal of the worker;
the external platform analyzes whether the abnormality occurs or not based on the detection data, and executes the following operations:
extracting features based on the detection data, and determining feature vectors;
and matching the characteristic vectors with all analysis vectors in a preset analysis library to obtain an analysis result corresponding to the matched analysis vector.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a 5G intelligent laser parking space sensor according to an embodiment of the present invention;
FIG. 2 is a front view of a housing of a 5G intelligent laser parking space sensor according to an embodiment of the present invention;
FIG. 3 is a top view of a housing of a 5G intelligent laser parking space sensor according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a vehicle restraint in an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a 5G intelligent laser parking space sensor, which comprises the following components as shown in figures 1 to 3:
the shell 4 is used for being installed on the ground corresponding to the parking space or arranged on a wall when the parking space leans against the wall;
the TOF sensor 1 is embedded in the shell 4 and used for detecting whether a vehicle stops at a parking place or not;
the first controller 2 is arranged in the shell 4 and is electrically connected with the TOF sensor 1;
and the communication module 3 is arranged in the shell 4, is electrically connected with the first controller 2 and is used for being connected to an external platform.
The working principle and the beneficial effects of the technical scheme are as follows:
the parking space detector comprises 1 TOF sensor 1, 1 communication module 3 and 1 section of ER34615H + LSC1520 battery, 19000mAh totally, requires the battery to use for more than 3 years, and adopts an Ali cloud platform and background communication to transmit information about whether a vehicle and the battery power and fault exist in a parking space. The shell can bear the weight of a 2T car and cannot be damaged. TOF sensor 1, wherein TOF abbreviation means Time of Flight (Time of Flight) technique, i.e. the sensor emits modulated near infrared light or laser, and reflects after encountering object, and the sensor converts the distance of the shot object by calculating the Time difference or phase difference between light emission and reflection to generate depth information, i.e. distance between objects; the numerical display is carried out on the interface through software, and a judgment threshold value can be set through the software; the value range of the judgment threshold is 10 cm-6 m so as to adapt to different application scenes, namely different installation positions of the shell, when the measured distance is smaller than the judgment threshold, the vehicle can be determined to exist on the parking space, otherwise, the vehicle does not exist; the external platform can be an Aliyun platform; through battery power supply and wireless transmission, the complexity of wiring is avoided; can be assembled and used at any time; is more convenient and fast. When the device is installed on the ground corresponding to a parking space, the device measures from the lower direction of the vehicle; when the parking space is arranged on the wall by leaning against the wall, the measurement is carried out from the rear of the vehicle to the upper right to the lower. Wherein, communication module includes: the 5G communication module or the 5G communication module is combined with an NB (NB-network) module, and the NB module is a communication module used for Narrow-Band Internet of Things (NB-IoT) communication. The embedded position of the TOF sensor 1 on the housing 4 may be any position such as a front surface, a side surface, and a top surface, and is adaptively adjusted according to the mounting position of the housing.
In one embodiment, the shell 4 is provided with a cone shape, the upper part is provided with a platform, and the two sides are provided with mounting holes; the TOF sensor 1 is arranged in the middle of a slope with an inclination of 45 to 60 degrees of the housing 4. Designing a slope of 45-60 degrees to prevent dust from accumulating on the window and influencing infrared emission and reception;
facilitating detection by the TOF sensor 1; in one embodiment, the window in the housing 4 for embedding the TOF sensor 1 is coated with a coating of infrared light-transmitting material 940 nm.
In one embodiment, when the TOF sensor 1 is embedded and mounted on a window which is formed in the housing 4 and used for embedding the TOF sensor 1, the detection head is sleeved outside by a silica gel sleeve, and the hollow part of the silica gel sleeve is aligned with the transmitting port and the receiving port of the TOF sensor 1. The silica gel cover can effectively reduce the crosstalk that the use apron probably leads to, makes range finding numerical value more accurate.
In one embodiment, the rear half of the housing 4 mounted on the floor of the vehicle space is used as a car stopper. The shell 4 is designed into a parking space stopper shape, so that the original parking space stopper can be replaced, the multifunctional parking space stopper is multipurpose, and whether the parking space is idle or not and the situation that the vehicle retreats beyond the parking space limit are considered.
In one embodiment, 5G intelligence laser parking stall inductor still includes:
at least one pressure sensor, set up on one side of embedding TOF sensor 1 of the body 4, electrically connect with first controller 2;
the first controller 2 performs the following operations:
receiving a mating connection of a wheel restraint disposed in front of the housing 4;
acquiring a pressure value detected by a pressure sensor through the pressure sensor;
when the pressure value is increased from zero to a preset first threshold value, a starting signal is sent to the wheel limiter through the communication module 3; the wheel limiter is started to limit the wheels of the vehicle stopped at the parking space between the wheel limiter and the shell 4;
when the pressure value is increased from the first threshold value to a preset second threshold value, a limitation removing signal is sent to the wheel limiter through the communication module 3; the wheel limiter resets to cancel the limitation to the wheel;
as shown in fig. 4, the vehicle restraint includes:
a main body 5 embedded on the ground in front of the housing 4; a limiting and arranging groove 6 is arranged on the upper surface of the main body 5;
the limiting body 8 is arranged in the limiting arrangement groove 6;
one end of the telescopic mechanism 7 is fixedly connected with the limiting body 8, and the other end of the telescopic mechanism is fixedly connected with the bottom of the limiting arrangement groove 6;
a second controller 9 disposed in the main body 5 and electrically connected to the telescopic mechanism 7;
and a short range communication module 10 disposed in the main body 5 and electrically connected to the second controller 9. The short-range communication module 10 enables communication pairing of the vehicle restraint with the first controller 2.
The concrete application scenario of the embodiment is that when the shell 4 is used as a parking stall stopper, the shell is matched with a vehicle limiter for use, the rear part of a corresponding parking lot is slightly higher than the front part, the two rows of parking stalls are symmetrically designed, and a water collecting channel is designed in the middle part, so that the gradient design of the parking stalls is favorable for draining water; so as to realize the optimal design of drainage in the parking lot; at the moment, the vehicle needs to be prevented from rolling forward when parking; when a user falls the vehicle to touch the shell 4, the pressure sensor detects touch, the pressure sensor starts to rise from zero pressure through touch, when the user finishes parking, the maximum value is the maximum value, the maximum value is larger than a first threshold value (for example, 1Kpa), the limiting body of the wheel limiter extends under the action of the telescopic mechanism to prop against the wheel from the front of the wheel, the vehicle is prevented from slipping forwards, and parking safety is improved; when a user wants to start the vehicle, the reverse gear is only needed to be engaged firstly, when the pressure on the pressure sensor is continuously increased to exceed a second threshold value (for example, 5Kpa), the limiting body of the wheel limiter retracts back to the limiting arrangement groove under the action of the telescopic mechanism, and the user can conveniently drive the vehicle out of a parking space. Further, the first threshold and the second threshold may be adjusted based on the actual parking situation, i.e. when the pressure sensor increases from zero to a maximum value, the maximum value is the first threshold; the second threshold is twice the first threshold.
In one embodiment, 5G intelligence laser parking stall inductor still includes:
the RFID identification module is arranged in the shell 4 and is electrically connected with the first controller 2;
the first reminding module is arranged on the surface of the shell 4 and is electrically connected with the first controller 2;
the first controller 2 performs the following operations:
when a polling instruction sent by an external platform is received through the communication module 3, the RFID identification module is started;
identifying the RFID identity card of the worker through an RFID identification module;
when the RFID identity card is identified, determining whether the TOF sensor 1 is triggered;
when the TOF sensor 1 is triggered, a first reminding module sends out a first reminding;
wherein, first warning module includes: an indicator light or a buzzer;
the first reminder includes: the indicator light flickers at a preset first flickering speed or the buzzer buzzes at a preset first time interval.
The working principle and the beneficial effects of the technical scheme are as follows:
equipment inspection of workers is realized through the cooperation of the RFID identification module, the TOF sensor 1 and the first reminding module; when in inspection, workers need to sequentially pass through the trigger areas of the TOF sensors 1 of each parking space to realize inspection of whether the parking spaces can be normally triggered; when staff pass through TOF sensor 1 trigger area but first warning module does not remind, explain the inductor unusual, need to overhaul. Wherein the first flicker rate includes: 1 time for 3 seconds; the first time interval is 3 seconds.
In one embodiment, the first controller 2 further performs the following operations:
when the connection with the external platform is disconnected, the RFID identification module is started;
when the RFID identification card of the worker is identified through the RFID identification module, a second prompt is sent through the first prompt module;
the second reminder includes: the indicator light flashes at a preset second flashing speed (e.g. 1 second 1 time) or the buzzer buzzes at a preset second time interval (1 second).
The working principle and the beneficial effects of the technical scheme are as follows:
the worker sends a second prompt through the first prompt module, and can determine whether the worker is disconnected with an external platform so as to facilitate the overhaul of the worker; the RFID identity card is adopted for alarm triggering, so that the interference of sound or light on other car owners in the parking lot is avoided.
In one embodiment, 5G intelligence laser parking stall inductor still includes:
the second reminding module is arranged on the outer ring ground of the parking space and close to the position of the cab or the auxiliary cab or arranged on a wall when the parking space leans against the wall, and is in communication connection with the first controller 2; the second reminding module comprises an indicator light and/or a buzzer;
the first controller 2 performs the following operations:
receiving a first judgment threshold value and a second judgment threshold value sent by an external platform through a communication module 3; the first decision threshold is greater than the second decision threshold;
acquiring a distance value detected by the TOF sensor 1;
when the distance value is smaller than or equal to the first judgment threshold value, controlling the second reminding module to operate in a preset first reminding mode; for example, the second reminding mode is that the indicator light is turned on to be yellow and the buzzer buzzes for the first decibel sound; reminding a driver to enter a parking space parking process;
when the distance value is smaller than or equal to a second judgment threshold value, controlling a second reminding module to operate in a preset second reminding mode; for example, the second reminding mode is that the indicator light is turned on in red and the buzzer buzzes for a second decibel sound; the second decibel is larger than the first decibel so as to remind a driver that the parking space is stopped completely, and the driver can possibly collide the wall or other parking accidents occur after retreating;
the steps of determining the first judgment threshold value and the second judgment threshold value by the external platform are as follows:
analyzing parameter information of vehicles entering the parking lot within a preset time period taking the current moment as a termination point through a video shot by an image acquisition device arranged at the entrance and exit position of the parking lot;
determining a first threshold and a second threshold corresponding to each vehicle based on each parameter information and a preset judgment threshold determination library;
taking the maximum value of the first threshold values corresponding to the vehicles as a first determination threshold value;
the maximum value of the second threshold values corresponding to the respective vehicles is used as the second determination threshold value.
The working principle and the beneficial effects of the technical scheme are as follows:
although the shell 4 of the parking space stopper or the sensor is arranged behind the parking space to block the wheels, the parameters of the wheels are different, and the sizes of the rear edges of the wheels and the tail of the vehicle are not consistent, so that the second reminding module is adopted to assist in reminding the vehicle to park so as to ensure the parking safety of a user; the maximum value of the first determination threshold value and the second determination threshold value in the vehicles within a preset time period (for example, within half an hour) is counted; the first determination threshold is related to the height of the ground of the vehicle, namely the size of the first determination threshold is equal to the height of the vehicle chassis divided by the cosine of an included angle between the TOF sensor 1 and the vertical direction (for the case that the sensor is arranged on the ground of a parking space); the second judgment threshold value is a distance value detected by the TOF sensor 1 when the tail of the vehicle approaches the wall behind the parking space; for a general vehicle, the second determination threshold is zero, but for a vehicle with a long tail, the second determination threshold is greater than zero, so that the maximum value is taken, and the vehicle with the long tail cannot touch the rear wall. Wherein, based on each parameter information and a preset judgment threshold determination library, determining a first threshold and a second threshold corresponding to each vehicle comprises: extracting the characteristics of the parameter information to obtain a plurality of characteristic values; constructing an extraction vector based on the plurality of characteristic values; calculating the similarity of each threshold vector in the extracted vector and the judgment threshold determining library, and when the similarity is greater than the threshold and is the maximum in the library, acquiring a first threshold and a second threshold which are correspondingly associated with the threshold vectors;
wherein, the similarity calculation formula is as follows:
wherein XC is the similarity between the extraction vector and the threshold vector; t isiExtracting the ith parameter value of the vector; y isiIs the ith parameter value of the threshold vector; n is the parameter dimension of the threshold vector or extraction vector.
Furthermore, parameters of the free parking space are considered in the process of determining the first threshold value and the second threshold value, namely whether a wall exists behind the parking space or not; adding parking space parameter data into the extracted data base of the extracted vector; to improve the accuracy of the first and second thresholds.
In one embodiment, 5G intelligence laser parking stall inductor still includes:
the first angle adjusting mechanism is arranged in the shell 4 and used for adjusting the detection angle of the TOF sensor 1 in the horizontal direction;
the second angle adjusting mechanism is arranged in the shell 4 and used for adjusting the detection angle of the TOF sensor 1 in the vertical direction;
the first angle adjusting mechanism and the second angle adjusting mechanism are respectively and electrically connected with the first controller 2; the first angle adjusting mechanism and the second angle adjusting mechanism can be realized by a rotating mechanism, and are similar to a scanning holder;
the first controller 2 performs the following operations:
when a TOF sensor 1 detects that a preset first time passes after a vehicle is parked at a parking space, controlling a first angle adjusting mechanism and a second angle adjusting mechanism to operate according to a preset operation mode, and carrying out scanning detection through the TOF sensor 1;
sending the detection data after scanning detection to an external platform through a communication module 3; the external platform analyzes whether the abnormality occurs or not based on the detection data; when abnormality occurs, the external platform sends an abnormality determining instruction to the mobile terminal of the worker;
the external platform analyzes whether the abnormality occurs or not based on the detection data, and executes the following operations:
extracting features based on the detection data, and determining feature vectors;
and matching the characteristic vectors with all analysis vectors in a preset analysis library to obtain an analysis result corresponding to the matched analysis vector.
The working principle and the beneficial effects of the technical scheme are as follows:
the abnormal use of the parking places is distinguished through the profile scanning after the parking; performing feature extraction based on the detection data, and determining a feature vector; arranging the extracted characteristic values according to a preset sequence to form a characteristic vector; matching the characteristic vectors with analysis vectors in a preset analysis library to obtain analysis results corresponding to the analysis vectors matched with the characteristic vectors, wherein the analysis library is constructed on the basis of analysis of a large amount of test data; the matching can adopt a similarity matching method, namely, the similarity between the characteristic vector and the analysis vector is calculated, and when the similarity is greater than a threshold value and is the maximum in the library, the matching between the characteristic vector and the analysis vector is determined. For example: generally, a parking space sensor is set as a parking space stopper, when a vehicle stops, rays detected by a TOF sensor 1 are firstly cut into the bottom of the vehicle from the tail of the vehicle to measure the distance, and then are gradually changed into the distance for measuring wheels; at the moment, the contour of the wheel can be scanned by scanning after the parking is finished, when the contour of the wheel is scanned, the analysis result is normal, otherwise, the analysis result is abnormal; the monitoring of the use state of the parking stall is realized to prevent the emergence of the condition that occupies the parking stall unusually (for example, adopt the carton to place the occupation action of TOF sensor 1 induction zone).
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a 5G intelligence laser parking stall inductor which characterized in that includes:
the shell is used for being installed on the ground corresponding to the parking space or arranged on the wall when the parking space leans against the wall;
the TOF sensor is embedded on the shell and used for detecting whether a vehicle stops at a parking place or not;
the first controller is arranged in the shell and is electrically connected with the TOF sensor;
and the communication module is arranged in the shell, is used for being electrically connected with the first controller and is used for being connected to an external platform.
2. The 5G intelligent laser parking space sensor as claimed in claim 1, wherein the housing is provided with a conical shape, the upper part is provided with a platform, and the two sides are provided with mounting holes; the TOF sensor is arranged in the middle of an inclined plane of which the inclination of the shell is 45-60 degrees.
3. The 5G intelligent laser parking space sensor as claimed in claim 1, wherein a window provided on the housing for embedding the TOF sensor is coated with a coating of a material transmitting infrared light 940 nm.
4. The 5G intelligent laser parking space sensor as claimed in claim 1, wherein when the TOF sensor is embedded and installed on a window which is arranged on the shell and used for embedding the TOF sensor, a silica gel sleeve is adopted on the outer side to sleeve the detecting head, and the hollow part of the silica gel sleeve is aligned to the transmitting opening and the receiving opening of the TOF sensor.
5. The 5G intelligent laser parking space sensor as claimed in claim 1, wherein the rear half part of the shell installed on the ground of the parking space is used as a car stopper.
6. The 5G intelligent laser parking space sensor as claimed in claim 1, further comprising:
the at least one pressure sensor is arranged on one side surface of the shell, wherein the TOF sensor is embedded in the shell, and is electrically connected with the first controller;
the first controller performs the following operations:
receiving a mating connection of a wheel restraint disposed forward of the housing;
acquiring a pressure value detected by the pressure sensor through the pressure sensor;
when the pressure value is increased from zero to a preset first threshold value, sending a starting signal to the wheel limiter through a communication module; the wheel limiter is started to limit the wheels of the vehicle parked on the parking space between the wheel limiter and the shell;
when the pressure value is increased from the first threshold value to a preset second threshold value, sending a limitation removing signal to the wheel limiter through a communication module; the wheel limiter resets to cancel the limitation of the wheel;
wherein the vehicle restraint includes:
the main body is embedded on the ground in front of the shell; a limiting and arranging groove is formed in the upper surface of the main body;
the limiting body is arranged in the limiting arrangement groove;
one end of the telescopic mechanism is fixedly connected with the limiting body, and the other end of the telescopic mechanism is fixedly connected with the bottom of the limiting arrangement groove;
the second controller is arranged in the main body and is electrically connected with the telescopic mechanism;
and the short-distance communication module is arranged in the main body and is electrically connected with the second controller.
7. The 5G intelligent laser parking space sensor as claimed in claim 1, further comprising:
the RFID identification module is arranged in the shell and is electrically connected with the first controller;
the first reminding module is arranged on the surface of the shell and electrically connected with the first controller;
the first controller performs the following operations:
when a polling instruction sent by an external platform is received through the communication module, the RFID identification module is started;
the RFID identification module is used for identifying an RFID identity card of a worker;
when the RFID identity card is identified, determining whether the TOF sensor is triggered;
when the TOF sensor is triggered, sending a first prompt through a first prompt module;
wherein, first warning module includes: an indicator light or a buzzer;
the first reminder includes: the indicator light flickers at a preset first flickering speed or the buzzer buzzes at a preset first time interval.
8. The 5G intelligent laser parking space sensor as claimed in claim 7, wherein the first controller further performs the following operations:
when the connection with the external platform is disconnected, the RFID identification module is started;
when the RFID identification module identifies the RFID identity card of the worker, a first reminding module sends out a first reminding;
the second reminder includes: the indicator light flashes at a preset second flashing speed or the buzzer buzzes at a preset second time interval.
9. The 5G intelligent laser parking space sensor as claimed in claim 1, further comprising:
the second reminding module is arranged on the outer ring ground of the parking space and close to the position of a cab or a secondary cab or arranged on a wall when the parking space leans against the wall, and is in communication connection with the first controller;
the first controller performs the following operations:
receiving a first judgment threshold value and a second judgment threshold value sent by an external platform through the communication module; the first decision threshold is greater than the second decision threshold;
acquiring a distance value detected by the TOF sensor;
when the distance value is smaller than or equal to the first judgment threshold value, controlling the second reminding module to operate in a preset first reminding mode;
when the distance value is smaller than or equal to the second judgment threshold value, controlling the second reminding module to operate in a preset second reminding mode;
the steps of determining the first determination threshold and the second determination threshold by the external platform are as follows:
analyzing parameter information of a vehicle entering a parking lot within a preset time period taking the current moment as a termination point through a video shot by an image acquisition device arranged at the entrance and exit position of the parking lot;
determining a first threshold and a second threshold corresponding to each vehicle based on each parameter information and a preset judgment threshold determination library;
taking the maximum value of the first threshold values corresponding to the vehicles as the first determination threshold value;
and taking the maximum value of the second threshold values corresponding to the vehicles as the second determination threshold value.
10. The 5G intelligent laser parking space sensor as claimed in claim 1, further comprising:
the first angle adjusting mechanism is arranged in the shell and used for adjusting the detection angle of the TOF sensor in the horizontal direction;
the second angle adjusting mechanism is arranged in the shell and used for adjusting the detection angle of the TOF sensor in the vertical direction;
the first angle adjusting mechanism and the second angle adjusting mechanism are electrically connected with the first controller respectively;
the first controller performs the following operations:
when a TOF sensor detects that a preset first time passes after a vehicle is parked on a parking space, controlling the first angle adjusting mechanism and the second angle adjusting mechanism to operate according to a preset operation mode, and performing scanning detection through the TOF sensor;
sending the detection data after scanning detection to an external platform through the communication module; the outside platform analyzes whether the abnormality occurs or not based on the detection data; when abnormality occurs, the external platform sends an abnormality determining instruction to the mobile terminal of the worker;
the external platform analyzes whether the abnormality occurs or not based on the detection data, and executes the following operations:
extracting features based on the detection data, and determining a feature vector;
and matching the characteristic vectors with all analysis vectors in a preset analysis library to obtain analysis results corresponding to the analysis vectors which are matched.
Priority Applications (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004021496A (en) * | 2002-06-14 | 2004-01-22 | Natl Inst For Land & Infrastructure Management Mlit | Parked vehicle detection method, detection system and parked vehicle detection apparatus |
| CN204463467U (en) * | 2015-03-25 | 2015-07-08 | 北京万集科技股份有限公司 | A kind of laser type parking site detecting system |
| CN206991548U (en) * | 2017-08-01 | 2018-02-09 | 四川路芯科技有限公司 | It is used for the intelligent terminal for detecting vehicle parking on parking stall |
| CN210223066U (en) * | 2019-06-21 | 2020-03-31 | 中山市路讯智能交通科技有限公司 | Static vehicle detector |
| CN210239287U (en) * | 2019-06-20 | 2020-04-03 | 湖南宜得立实业有限公司 | Anti-collision structure of intelligent parking space guard robot |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004021496A (en) * | 2002-06-14 | 2004-01-22 | Natl Inst For Land & Infrastructure Management Mlit | Parked vehicle detection method, detection system and parked vehicle detection apparatus |
| CN204463467U (en) * | 2015-03-25 | 2015-07-08 | 北京万集科技股份有限公司 | A kind of laser type parking site detecting system |
| CN206991548U (en) * | 2017-08-01 | 2018-02-09 | 四川路芯科技有限公司 | It is used for the intelligent terminal for detecting vehicle parking on parking stall |
| CN210239287U (en) * | 2019-06-20 | 2020-04-03 | 湖南宜得立实业有限公司 | Anti-collision structure of intelligent parking space guard robot |
| CN210223066U (en) * | 2019-06-21 | 2020-03-31 | 中山市路讯智能交通科技有限公司 | Static vehicle detector |
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