CN110223532B - Vehicle intelligent detector and intelligent parking space information system - Google Patents
Vehicle intelligent detector and intelligent parking space information system Download PDFInfo
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- CN110223532B CN110223532B CN201910512667.2A CN201910512667A CN110223532B CN 110223532 B CN110223532 B CN 110223532B CN 201910512667 A CN201910512667 A CN 201910512667A CN 110223532 B CN110223532 B CN 110223532B
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- G08G1/00—Traffic control systems for road vehicles
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- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/144—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces on portable or mobile units, e.g. personal digital assistant [PDA]
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Abstract
The invention discloses a vehicle intelligent detector and an intelligent parking space information system, wherein incident waves emitted by an emitter can be reflected to generate reflected waves, a sensor can sense the reflected waves to generate corresponding reflected wave signals, an intelligent output module is used for carrying out data processing on the reflected wave signals, and the output parking state signals are respectively refreshed into a vehicle parking state, a vehicle parking-free state and an interference state aiming at the three conditions that N data packets are all valid data, are all invalid data and simultaneously contain valid data and invalid data.
Description
Technical Field
The invention relates to an intelligent vehicle detector and an intelligent parking space information system.
Background
The parking lot management system is deeply applied to various industries, from an open parking lot, an indoor parking lot to a professional charging type parking lot are widely used, along with the continuous improvement of social consumption level, the situation that the parking lot is very nervous has appeared in the use development of automobiles, the situation that a vehicle owner searches the parking lot urgently anytime and anywhere often appears, even the vehicle owner repeatedly searches the parking lot for many times is not desirable, particularly, the phenomenon is more prominent in a luxurious public place, therefore, a lot of precious time is wasted, more energy is consumed, on the other hand, the occupied area of some parking lots is large, the number of parking lots is more, and the parking lot resources are wasted due to the fact that partial parking lots are empty and are not found by the vehicle owner. How to enable a car owner to accurately and quickly find a legal position for parking becomes a problem to be solved urgently.
The conventional probe has a fixed accuracy and intensity, which determines its detection range, for example, 100KHz,12V2W ultrasonic probe, whose effective distance range is 5-400 cm, and which mainly depends on receiving the reflected wave of the obstacle to determine the distance of the detected object. The device is arranged on the ground of a parking space to detect whether a vehicle is parked or not, and if intelligent processing is not carried out, a plurality of mistrigger misjudgment conditions can occur: overground leaves; pedestrian's shallot passes by, and there is barrier etc. all to cause the detector easily to think that there is the vehicle on the parking stall to berth and output signal at the parking stall top.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a vehicle intelligent detector and intelligent parking stall information system to solve current non-contact detector that is used for surveying whether the parking stall parks the vehicle and have the problem that the reliability is lower because of the false triggering exists.
The technical scheme adopted by the invention is as follows:
an intelligent detector for a vehicle is provided with a transmitter and a sensor which are matched, wherein the transmitter sends an incident wave, the sensor senses a reflected wave generated by the reflection of the incident wave to generate a corresponding reflected wave signal, and the relative positions of the transmitter and the sensor are fixed;
the method is characterized in that:
the intelligent detector for the vehicle further comprises an intelligent output module, and the intelligent output module outputs a parking state signal according to the following mode:
collecting a data packet every T seconds, wherein each data packet contains T/delta T sampling data, if the sampling data contained in N continuous data packets are all valid data, refreshing the parking state signal to be in a vehicle parking state, if the sampling data contained in N continuous data packets are all invalid data, refreshing the parking state signal to be in a vehicle-free parking state, and if the data packets contain both valid data and invalid data, refreshing the parking state signal to be in an interference state;
wherein N is a positive integer greater than 1, T > T;
the data packet acquisition mode is as follows: sampling the reflected wave signal output by the sensor every Deltat seconds within a sampling time of t seconds to obtain t/Deltat sampling data;
if the sampled data is within the effective reflected wave intensity range, the sampled data is determined as effective data, otherwise, the sampled data is determined as invalid data; the effective reflected wave intensity ranges are: and when the distance between the emitter and the detected vehicle is within the preset effective vehicle parking distance range, the intensity range of the reflected wave signal generated by the sensor correspondingly.
As a preferred embodiment of the present invention: the transmitter and the sensor are arranged on the ground of the parking space, the T second is 30 seconds, the T second is 1 second, the Deltat second is 200 milliseconds, the T/[ delta ] T is 5, and the effective vehicle parking distance ranges from 15cm to 50 cm.
Preferably: the transmitter and the sensor are arranged in a central area of the parking space.
The utility model provides an intelligence parking stall information system for serve a plurality of parking stalls, its characterized in that: the intelligent parking space information system is provided with a cloud server and a plurality of user terminals, and an independent parking space monitoring device is arranged corresponding to each parking space;
the independent parking space monitoring device is provided with a shell, a non-contact vehicle sensor, a processor, a wireless signal transmitter and a power supply, wherein the non-contact vehicle sensor, the processor and the wireless signal transmitter are fixed in the shell; the non-contact vehicle sensor is the intelligent vehicle detector, the processor receives the parking state signal output by the intelligent vehicle detector, packages the received parking state signal and the position information of the parking space where the independent parking space monitoring device is located into a wireless transmission data packet, and sends the wireless transmission data packet out through the wireless signal transmitter;
each independent parking space monitoring device is fixed at a corresponding parking space, the cloud server receives a wireless transmission data packet sent by each independent parking space monitoring device, extracts parking state and position information of the corresponding parking space from the wireless transmission data packet, and stores the parking state and the position information in a database according to the receiving time of the wireless transmission data packet;
each user terminal can send an inquiry request signal for inquiring the parking state of any one or more parking spaces to the cloud server, the cloud server can respond to the inquiry request signal and send the latest parking state and position information of the corresponding parking spaces in the database to the corresponding user terminal, wherein the latest parking state and position information are information contained in a wireless transmission data packet with the latest receiving time corresponding to the corresponding parking spaces.
Preferably: the processor is used for acquiring the position information of the parking space where the independent parking space monitoring device is located.
As a preferred embodiment of the present invention: the independent parking space monitoring device is fixed at the parking space in any one or more of the following modes:
in the first mode, the independent parking space monitoring device is fixed below the ground where the parking space is located;
and in the second mode, the independent parking space monitoring device is fixed on the ground where the parking space is located.
Preferably:
in the first mode, a pit is formed in the ground where the parking space is located, a mounting groove is embedded in the pit, and the independent parking space monitoring device is fixedly connected into the mounting groove in a detachable mode;
in the second mode, a mounting seat is fixed on the ground where the parking space is located, and the independent parking space monitoring device is fixedly connected in the mounting seat in a detachable mode.
As a preferred embodiment of the present invention: each parking space comprises any one or more of free parking spaces and charged parking spaces;
for an independent parking space monitoring device fixed on a free parking space, a processor of the independent parking space monitoring device packages received parking state signals and position information of a parking space where the independent parking space monitoring device is located into the wireless transmission data packet according to a preset time interval, and a dry battery is adopted as a power supply of the independent parking space monitoring device;
for the independent parking space monitoring device fixed on the charging parking space, the cloud server can calculate the charging time of the vehicle parked on the charging parking space according to the time of sending the wireless transmission data packet by the independent parking space monitoring device, and the power supply of the independent parking space monitoring device is connected to a mains supply network or a solar power supply system.
As a preferred embodiment of the present invention: the user terminal is a mobile terminal, and the mobile terminal is provided with a software program adaptive to the cloud server.
Compared with the prior art, the invention has the following beneficial effects:
first, according to the vehicle intelligent detector of the present invention, incident waves emitted from the emitter can be reflected to generate reflected waves, the sensor can sense the reflected waves to generate corresponding reflected wave signals, and the intelligent output module performs data processing on the reflected wave signals, so as to respectively refresh the output parking state signals to a parking state with a vehicle, a parking state without a vehicle, and an interference state, in view of the three situations that N data packets are all valid data, all invalid data, and simultaneously contain valid data and invalid data.
Secondly, the independent parking space monitoring device can monitor whether a vehicle is parked on the parking space in a non-contact mode, and sends out parking state signals and position information of the parking space in a wireless transmission data packet, and has the advantages of high reliability and good operation stability.
Thirdly, the intelligent parking space information system can cover a large number of parking spaces of various types, is provided with the cloud server and the user terminal, and is provided with the independent parking space monitoring device, so that a driver can quickly and accurately obtain the latest parking state and position information of each parking space through the user terminal, and the driver is guided to the currently idle parking space.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
FIG. 1 is a system block diagram of a vehicle intelligent detector of the present invention;
FIG. 2 is a system block diagram of an intelligent parking space information system of the present invention;
fig. 3 is a schematic view of a first fixing mode of the independent parking space monitoring device according to the present invention;
fig. 4 is a schematic view of a second fixing method of the independent parking space monitoring device of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art to better understand the inventive concept of the present invention, but the scope of the claims of the present invention is not limited to the following embodiments, and all other embodiments obtained without inventive efforts by those skilled in the art will fall within the scope of the present invention without departing from the inventive concept of the present invention.
Example one
As shown in fig. 1, the invention discloses an intelligent detector for a vehicle, which is provided with a transmitter and a sensor which are matched, wherein the transmitter sends an incident wave, the sensor senses a reflected wave generated by the reflection of the incident wave to generate a corresponding reflected wave signal, and the relative positions of the transmitter and the sensor are fixed; the emitter and the sensor can be integrated sensors or can be two devices which are independent of each other; the incident wave and the reflected wave may be electromagnetic waves.
The intelligent detector for the vehicle further comprises an intelligent output module, and the intelligent output module outputs a parking state signal according to the following mode:
acquiring a data packet every T seconds, wherein each data packet contains T/delta T sampling data, if the sampling data contained in N continuous data packets are all valid data, judging that a vehicle is parked on a parking space detected by an intelligent detector, refreshing a parking state signal to be in a vehicle parking state, if the sampling data contained in N continuous data packets are all invalid data, judging that no vehicle is parked on the parking space detected by the intelligent detector, refreshing the parking state signal to be in a vehicle parking state, and if the N continuous data packets contain both valid data and invalid data, possibly enabling the vehicle to be parked or being taken out of the parking space or being interfered during the period, and refreshing the parking state signal to be in an interference state;
wherein N is a positive integer greater than 1, T > T;
the data packet acquisition mode is as follows: sampling the reflected wave signal output by the sensor every Deltat seconds within a sampling time of t seconds to obtain t/Deltat sampling data;
if the sampled data is within the effective reflected wave intensity range, the sampled data is determined as effective data, otherwise, the sampled data is determined as invalid data; the effective reflected wave intensity ranges are: and when the distance between the emitter and the detected vehicle is within the preset effective vehicle parking distance range, the intensity range of the reflected wave signal correspondingly generated by the sensor is measured by aiming at the specific emitter and the sensor.
The above is a basic implementation manner of the first embodiment, and further optimization, improvement and limitation may be performed on the basis of the basic implementation manner:
preferably: the hardware circuit of the intelligent output module can be composed of a signal collector, an A/D converter and a microcontroller, reflected wave signals generated by the sensor are converted into digital signals through the signal collector and the A/D converter and input into the microcontroller, and then the microcontroller realizes the software processing process of outputting the parking state signals.
Example two
On the basis of the first embodiment, the second embodiment also adopts the following preferred embodiments:
the transmitter and the sensor are arranged on the ground of the parking space, the T second is 30 seconds, the T second is 1 second, the Deltat second is 200 milliseconds, the T/[ delta ] T is 5, and the effective vehicle parking distance ranges from 15cm to 50 cm.
The above is the basic implementation manner of the second embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation manner:
preferably: the transmitter and the sensor are arranged in a central area of the parking space.
EXAMPLE III
As shown in fig. 2, the present invention also discloses an intelligent parking space information system, which is used for servicing a plurality of parking spaces, and is characterized in that: the intelligent parking space information system is provided with a cloud server and a plurality of user terminals, and an independent parking space monitoring device is arranged corresponding to each parking space;
the independent parking space monitoring device is provided with a shell, a non-contact vehicle sensor, a processor, a wireless signal transmitter and a power supply, wherein the non-contact vehicle sensor, the processor and the wireless signal transmitter are fixed in the shell; the processor receives a parking state signal output by the vehicle intelligent detector, packages the received parking state signal and the position information of the parking space where the independent parking space monitoring device is located into a wireless transmission data packet, and sends the wireless transmission data packet out through the wireless signal transmitter;
each independent parking space monitoring device is fixed at a corresponding parking space, the cloud server receives a wireless transmission data packet sent by each independent parking space monitoring device, extracts parking state and position information of the corresponding parking space from the wireless transmission data packet, and stores the parking state and the position information in a database according to the receiving time of the wireless transmission data packet;
each user terminal can send an inquiry request signal for inquiring the parking state of any one or more parking spaces to the cloud server, the cloud server can respond to the inquiry request signal and send the latest parking state and position information of the corresponding parking spaces in the database to the corresponding user terminal, wherein the latest parking state and position information are information contained in a wireless transmission data packet with the latest receiving time corresponding to the corresponding parking spaces.
The above is the basic implementation of the third embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably: the processor is used for acquiring the position information of the parking space where the independent parking space monitoring device is located.
Example four
On the basis of the third embodiment, the fourth embodiment further adopts the following preferred embodiments:
the independent parking space monitoring device is fixed at the parking space in any one or more of the following modes:
in a first mode, referring to fig. 3, the independent parking space monitoring device is fixed below the ground 1 where the parking space is located;
in a second mode, referring to fig. 4, the independent parking space monitoring device is fixed on the ground 1 where the parking space is located.
The above is the basic implementation of the fourth embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably:
in the first mode, a pit is formed in the ground 1 where the parking space is located, a mounting groove 2 is embedded in the pit, and the independent parking space monitoring device is fixedly connected into the mounting groove 2 in a detachable mode;
in the second mode, a mounting seat 3 is fixed on the ground 1 where the parking space is located, and the independent parking space monitoring device is fixedly connected in the mounting seat 3 in a detachable mode.
The detachable mode can be a threaded connection mode, a buckling connection mode, a bolt and nut connection mode and the like; therefore, the independent parking space monitoring device can be conveniently detached from the mounting groove 2, so that the power supply of the independent parking space monitoring device can be conveniently replaced.
In addition, the housing of the independent parking space monitoring device preferably has the characteristics of pressure resistance, electromagnetic interference resistance, ultrahigh and low temperature influence resistance, moisture resistance, water resistance and the like so as to be suitable for the special application environment of the parking space, wherein the housing preferably adopts a sealing structure with an inner housing wall and an outer housing wall.
Therefore, the independent parking space monitoring device can be suitable for various working environments, and the parking space can be a parking space in an open parking lot or a parking space in an indoor parking lot.
EXAMPLE five
On the basis of the third or fourth embodiment, the fifth embodiment further adopts the following preferred embodiments:
each parking space comprises any one or more of free parking spaces and charged parking spaces;
for the independent parking space monitoring device fixed on the free parking space, as long as the fact that whether a vehicle stays or not on the parking space is known, a processor of the independent parking space monitoring device packs received parking state signals and position information of the parking space where the independent parking space monitoring device is located into the wireless transmission data packet according to a preset time interval, so that the power consumption is low, a dry battery is adopted as a power supply of the independent parking space monitoring device, and the dry battery can be directly replaced manually or charged wirelessly;
for the independent parking space monitoring device fixed on the charged parking space, according to the time for the independent parking space monitoring device to send the wireless transmission data packet, the cloud server can calculate the charging time length of the vehicle parked on the charged parking space so as to realize the charging calculation of the vehicle, therefore, the independent parking space monitoring device needs to acquire the parking state of the charged parking space at a higher frequency, and the power supply of the independent parking space monitoring device is connected into a commercial power supply network or a solar power supply system.
EXAMPLE six
On the basis of any one of the third to fifth embodiments, the sixth embodiment further adopts the following preferred embodiments:
the user terminal is a mobile terminal, and the mobile terminal is provided with a software program adaptive to the cloud server.
Therefore, a driver can use a mobile terminal of various channels, such as a mobile phone loaded with a WeChat applet, a tablet personal computer, a vehicle-mounted navigation device and the like, directly look up and determine the indicated parking space information and selectively use the vacant parking spaces through the use of the applet, and even pay parking consumption by using a mobile phone payment system. The cloud server can also distribute the latest parking state and position information of each parking space to a service system, such as a Baidu map, Gaode navigation and the like, and use special symbols to represent the parking state, such as red dots to represent the existing vehicle stop, green dots to represent the vacant position, the position distance and the arrival time, and even obtain the opening state and the charging standard of the parking space.
The present invention is not limited to the above embodiments, and various other equivalent modifications, substitutions and alterations can be made without departing from the basic technical concept of the invention as described above, according to the common technical knowledge and conventional means in the field.
Claims (9)
1. An intelligent detector for a vehicle is provided with a transmitter and a sensor which are matched, wherein the transmitter sends an incident wave, the sensor senses a reflected wave generated by the reflection of the incident wave to generate a corresponding reflected wave signal, and the relative positions of the transmitter and the sensor are fixed;
the method is characterized in that:
the intelligent detector for the vehicle further comprises an intelligent output module, and the intelligent output module outputs a parking state signal according to the following mode:
collecting a data packet every T seconds, wherein each data packet contains T/delta T sampling data, if the sampling data contained in N continuous data packets are all valid data, refreshing the parking state signal to be in a vehicle parking state, if the sampling data contained in N continuous data packets are all invalid data, refreshing the parking state signal to be in a vehicle-free parking state, and if the data packets contain both valid data and invalid data, refreshing the parking state signal to be in an interference state;
wherein N is a positive integer greater than 1, T > T;
the data packet acquisition mode is as follows: sampling the reflected wave signal output by the sensor every Deltat seconds within a sampling time of t seconds to obtain t/Deltat sampling data;
if the sampled data is within the effective reflected wave intensity range, the sampled data is determined as effective data, otherwise, the sampled data is determined as invalid data; the effective reflected wave intensity ranges are: and when the distance between the emitter and the detected vehicle is within the preset effective vehicle parking distance range, the intensity range of the reflected wave signal generated by the sensor correspondingly.
2. The vehicle smart detector of claim 1, wherein: the transmitter and the sensor are arranged on the ground of the parking space, the T second is 30 seconds, the T second is 1 second, the Deltat second is 200 milliseconds, the T/[ delta ] T is 5, and the effective vehicle parking distance ranges from 15cm to 50 cm.
3. The vehicle smart detector of claim 2, wherein: the transmitter and the sensor are arranged in a central area of the parking space.
4. The utility model provides an intelligence parking stall information system for serve a plurality of parking stalls, its characterized in that: the intelligent parking space information system is provided with a cloud server and a plurality of user terminals, and an independent parking space monitoring device is arranged corresponding to each parking space;
the independent parking space monitoring device is provided with a shell, a non-contact vehicle sensor, a processor, a wireless signal transmitter and a power supply, wherein the non-contact vehicle sensor, the processor and the wireless signal transmitter are fixed in the shell; the non-contact vehicle sensor is the vehicle intelligent detector of any one of claims 1 to 3, the processor receives the parking state signal output by the vehicle intelligent detector, packages the received parking state signal and the position information of the parking space where the independent parking space monitoring device is located into a wireless transmission data packet, and sends the wireless transmission data packet out through the wireless signal transmitter;
each independent parking space monitoring device is fixed at a corresponding parking space, the cloud server receives a wireless transmission data packet sent by each independent parking space monitoring device, extracts parking state and position information of the corresponding parking space from the wireless transmission data packet, and stores the parking state and the position information in a database according to the receiving time of the wireless transmission data packet;
each user terminal can send an inquiry request signal for inquiring the parking state of any one or more parking spaces to the cloud server, the cloud server can respond to the inquiry request signal and send the latest parking state and position information of the corresponding parking spaces in the database to the corresponding user terminal, wherein the latest parking state and position information are information contained in a wireless transmission data packet with the latest receiving time corresponding to the corresponding parking spaces.
5. The intelligent parking space information system according to claim 4, wherein: the processor is used for acquiring the position information of the parking space where the independent parking space monitoring device is located.
6. The intelligent parking space information system according to claim 4 or 5, wherein: the independent parking space monitoring device is fixed at the parking space in any one or more of the following modes:
in a first mode, the independent parking space monitoring device is fixed below the ground (1) where the parking space is located;
and in the second mode, the independent parking space monitoring device is fixed on the ground (1) where the parking space is located.
7. The intelligent parking space information system according to claim 6, wherein:
in the first mode, a pit is formed in the ground (1) where the parking space is located, an installation groove (2) is buried in the pit, and the independent parking space monitoring device is fixedly connected into the installation groove (2) in a detachable mode;
in the second mode, a mounting seat (3) is fixed on the ground (1) where the parking space is located, and the independent parking space monitoring device is fixedly connected in the mounting seat (3) in a detachable mode.
8. The intelligent parking space information system according to claim 4 or 5, wherein: each parking space comprises any one or more of free parking spaces and charged parking spaces;
for an independent parking space monitoring device fixed on a free parking space, a processor of the independent parking space monitoring device packages received parking state signals and position information of a parking space where the independent parking space monitoring device is located into the wireless transmission data packet according to a preset time interval, and a dry battery is adopted as a power supply of the independent parking space monitoring device;
for the independent parking space monitoring device fixed on the charging parking space, the cloud server can calculate the charging time of the vehicle parked on the charging parking space according to the time of sending the wireless transmission data packet by the independent parking space monitoring device, and the power supply of the independent parking space monitoring device is connected to a mains supply network or a solar power supply system.
9. The intelligent parking space information system according to claim 4 or 5, wherein: the user terminal is a mobile terminal, and the mobile terminal is provided with a software program adaptive to the cloud server.
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| CN201810902055.XA CN108922240A (en) | 2018-08-09 | 2018-08-09 | A kind of stand alone type parking stall monitoring device and intelligent parking space information system |
| CN201810902055X | 2018-08-09 |
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| CN201910512667.2A Active CN110223532B (en) | 2018-08-09 | 2019-06-13 | Vehicle intelligent detector and intelligent parking space information system |
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| CN110782697A (en) * | 2019-09-23 | 2020-02-11 | 浙江科技学院 | Private parking space sharing system based on cloud data and double platforms |
| CN115331456B (en) * | 2022-08-03 | 2023-10-10 | 杭州伟生科技有限责任公司 | Operation tool of parking space monitoring device with magnetic control switch |
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| CN102789695B (en) * | 2012-07-03 | 2014-12-10 | 大唐移动通信设备有限公司 | Vehicular networking parking management access system and vehicular networking parking management system |
| CN203405964U (en) * | 2013-08-30 | 2014-01-22 | 上海仁微电子科技有限公司 | Parking stall detecting system used for parking lot and electronic labels |
| CN103559806B (en) * | 2013-11-07 | 2016-08-17 | 杭州明天网络科技有限公司 | A kind of landing system and stop inquiry, reserving method |
| CN104091465B (en) * | 2014-07-14 | 2017-01-18 | 邵骏 | Parking space inquiring and navigation system and method |
| CN204537466U (en) * | 2015-02-06 | 2015-08-05 | 成都西谷曙光数字技术有限公司 | Parking stall detection sensor systems that low duty ratio is wireless |
| CN105118303B (en) * | 2015-07-17 | 2018-03-27 | 袁丽 | Vehicle enters position detecting method under intelligent parking monitoring management system and car-parking model |
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