Summary of the invention
The present invention provides a kind of parking detection system and method for preventing hidden fire-fighting danger, can save system power dissipation, Er Qieti
Height parking Detection accuracy can achieve the purpose that prevent passageway for fire apparatus in real time occupies in violation of rules and regulations.
In order to solve the above technical problems, according to an aspect of the present invention, adopting the following technical scheme that
A kind of parking detection system for preventing hidden fire-fighting danger, the parking detection system include: at least one parking detection
Device, at least one sound broadcasting device and control centre;
The control centre is separately connected each parking detection device, each sound broadcasting device, a sound broadcasting device with
At least one parking detection device is corresponding;
The parking detection device includes: first microprocessor MCU, Magnetic Sensor, microwave remote sensor and the first channel radio
Interrogate module;First microprocessor MCU is separately connected Magnetic Sensor, microwave remote sensor and the first wireless communication module;
The Magnetic Sensor is used to detect the delta data of environmental magnetic field, and first microprocessor MCU is examined according to Magnetic Sensor
The data of survey analyse whether that there are vehicle bring magnetic interferences;If Magnetic Sensor can detect a stable stepped change
Magnetic field knots modification, then judgement is likely to occur vehicle and disobeys and stops;
Distance of the microwave remote sensor to barrier immediately ahead of detecting distance, and the waveform that will test feeds back to institute
State first microprocessor MCU;The first microprocessor MCU calculates barrier according to the information that the microwave remote sensor detects
The sensitivity value range of microwave remote sensor is arranged according to vehicle chassis altitude range for distance;
The first microprocessor MCU is to handle a variety of sensing data information, and the work of Time-sharing control different sensors
Make state, effective will finally disobey and stop information of vehicles control centre is sent to by the first wireless communication module;
The sound broadcasting device includes the second microprocessor, the second wireless communication module and horn module, second micro- place
Reason device is separately connected the second wireless communication module and horn module;Second microprocessor is connect using the second wireless communication module
The command information for receiving control centre controls horn module according to command information and plays corresponding voice prompting.
As one embodiment of the present invention, the Magnetic Sensor is used to detect environmental magnetic field and magnetic field knots modification,
When without parking interference, the data of Magnetic Sensor detection are environmental magnetic field Be;When vehicle drives into prohibition parking area domain and stops, magnetic sensing
It include environmental magnetic field B in the data of device detectioneWith magnetic field knots modification Δ B;First microprocessor MCU is detected according to Magnetic Sensor
Data, which analyse whether to disobey there are vehicle, stops bring magnetic interference, and vehicle, which is disobeyed, to stop rear Magnetic Sensor and can detect a stable rank
Terraced changing magnetic field knots modification Δ B;Distance of the microwave remote sensor to barrier immediately ahead of detecting distance;Microwave remote sensor
Have the function of emitting signal and receive signal, by analysis transmitting signal and receives the time difference of signal and receive signal
The distance of information disturbance in judgement object;The sensitivity value range of microwave signal is set according to the altitude range of vehicle chassis;
The magnetic field knots modification Δ B for the stepped change that the first microprocessor MCU combination Magnetic Sensor detects and micro-
The vehicle interference signal that wave sensor detects, judges whether there is parking offense event;
As one embodiment of the present invention, first wireless communication module, the second wireless communication module include
LoRa module perhaps includes NB-IoT module or includes ZigBee module.
As one embodiment of the present invention, the control centre passes through wireless network and multiple fire-fighting prohibition parking areas domain
Parking detection device, sound broadcasting device connection, while detecting multiple fire-fighting prohibition parking areas domain.
As one embodiment of the present invention, the parking detection device is installed multiple in same fire-fighting prohibition parking area domain;
The sound broadcasting device is associated in same fire-fighting prohibition parking area domain with multiple parking detection modules.
As one embodiment of the present invention, the first microprocessor MCU includes:
Magnetic heat transfer agent analysis module, the data to be detected according to the Magnetic Sensor judge whether there is vehicle interference
And the magnetic field knots modification of a stable stepped change is generated after vehicle interference;
Microwave signal analysis module, the data to be detected according to the microwave remote sensor calculate the distance of barrier, and
The distance for the barrier being calculated and the comparison of preset microwave remote sensor sensitivity value range are judged whether there is into vehicle interference;
Illegal parking detection pattern switch module, to analyze mould in the magnetic heat transfer agent analysis module, microwave signal
Block has shown that vehicle is disobeyed the stopping time, starts illegal parking detection pattern;When judging that vehicle sails out of fire-fighting prohibition parking area at the appointed time
Domain then stops illegal parking detection pattern;
Judgment module is sailed out of, to judge whether vehicle sails out of fire-fighting prohibition parking area domain;Sail out of judgment method are as follows: Magnetic Sensor
Detect that the magnetic field stepped change amount generated after vehicle interference and vehicle interference and the magnetic field stepped change amount generated when parking are mutual
It mends, microwave remote sensor does not find that vehicle interferes, then is judged as that vehicle sails out of;
Voice reminder playing control module passes through not sail out of fire-fighting prohibition parking area domain at the appointed time in vehicle
Illegal parking information is sent to control centre by one wireless communication module, and control centre controls the sound broadcasting device and carries out language
Sound casting, reminds driver;
Door contact interrupter judgment module, to judge to disobey parking with the presence or absence of doubtful door open event;Doubtful door opening event
Judgment method are as follows: in illegal parking detection-phase, Magnetic Sensor detects that magnetic field is interfered, and magnetic field number before and after magnetic interference
It does not change according to value, is then judged as and door opening event occurs.
A kind of parking detection method of the parking detection system of above-mentioned prevention hidden fire-fighting danger, the parking detection method packet
Include: step 1, Magnetic Sensor detect whether there are vehicle interference, when detecting vehicle interference and generate one after vehicle interference
A stable stepped changes of magnetic field amount, by changing magnetic field data transmission to first microprocessor MCU;
Step 2, first microprocessor MCU receive when stablizing stepped variable quantity of magnetic field value, open microwave remote sensor
Detection, first microprocessor MCU receives microwave remote sensor data, and whether the distance of disturbance of analysis object meets the chassis height of vehicle
Range is spent, if met, there are vehicle interference for judgement;
Step 3 judges whether Magnetic Sensor, microwave remote sensor detect the presence of vehicle interference, if detecting the presence of
Vehicle interference, then open illegal parking detection pattern;In illegal parking detection pattern, including at least one of following process:
(1) judge whether vehicle sails out of fire-fighting prohibition parking area domain at the appointed time, if sailing out of, stop illegal parking detection
Mode;If vehicle does not sail out of fire-fighting prohibition parking area domain at the appointed time, first microprocessor MCU passes through the first wireless communication module
Illegal parking information is sent to control centre, control centre sends a command to sound broadcasting device and carries out voice broadcast, reminds
Driver then stops illegal parking detection pattern;
(2) in illegal parking detection process, judge whether doubtful door opening event occur, if finding doubtful door opening thing
Part, first microprocessor MCU issue illegal parking information to control centre in advance, and control centre sends a command to voice broadcast mould
Block reminds driver to sail out of, and then stops illegal parking detection pattern.
As one embodiment of the present invention, in step 3, judge that the method that vehicle sails out of includes: Magnetic Sensor detection
The magnetic field stepped change amount generated after to vehicle interference and vehicle interference is complementary with the magnetic field stepped change amount generated when parking, and
Microwave remote sensor does not find that vehicle interferes, then is judged as that vehicle sails out of.
As one embodiment of the present invention, in step 3, judge that the method for doubtful door opening event includes: in violation of rules and regulations
Stop detection-phase, and Magnetic Sensor detects that magnetic field is interfered, and magnetic field data value does not change before and after magnetic interference, then
It is judged as and door opening event occurs.
The beneficial effects of the present invention are: the parking detection system and method for prevention hidden fire-fighting danger proposed by the present invention are adopted
Combined with multisensor and judge whether there is illegal parking, can not only save system power dissipation, but also it is quasi- to improve parking detection
Judging result is controlled voice broadcast module by wireless network (such as LoRa network), can reach prevention fire-fighting in real time by true rate
The purpose that channel occupies in violation of rules and regulations is effectively prevented illegal parking event and is occurred.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
Just for several typical embodiments, the present invention is not limited merely to the model of embodiment description for the description of the part
It encloses.Some technical characteristics in same or similar prior art means and embodiment, which are replaced mutually, also to be described in the present invention
In the range of protection.In an embodiment of the present invention, multiple fingers are more than two (containing two), and a variety of fingers are two or more (to contain two
Kind).
Present invention discloses a kind of parking detection system for preventing hidden fire-fighting danger, Fig. 1 is to stop in one embodiment of the invention
The composition schematic diagram of detection system;Referring to Fig. 1, in one embodiment of this invention, the parking detection system includes: at least
One parking detection device 2, at least one sound broadcasting device 3 and control centre 1.The control centre 1 is separately connected respectively
Parking detection device 2, each sound broadcasting device 3;In one embodiment of this invention, sound broadcasting device 3 and corresponding parking
Detection device 2 is associated with.
The parking detection device 2 includes: first microprocessor MCU 21, Magnetic Sensor 22, microwave remote sensor 23 (at this
In one embodiment of invention, microwave remote sensor 23 can be radar sensor, naturally it is also possible to use other microwave remote sensors) and the
(Fig. 2 is the composition schematic diagram of parking detection system in one embodiment of the invention to one wireless communication module;Fig. 2 is seen, in this hair
In a bright embodiment, the first wireless communication module is the first LoRa wireless communication module 24);First microprocessor MCU21 points
It Lian Jie not Magnetic Sensor 22, microwave remote sensor 23 and the first LoRa wireless communication module 24.
The Magnetic Sensor 22 is used to detect the delta data of environmental magnetic field, and a large amount of ferromagnetic material is contained in vehicle, the
One Micro-processor MCV 21 analyses whether that, there are vehicle bring magnetic interference, vehicle is disobeyed according to the data that Magnetic Sensor 22 detects
The magnetic field knots modification of a stable stepped change can be detected by stopping rear Magnetic Sensor;If Magnetic Sensor can detect a stabilization
Stepped change magnetic field knots modification, then judgement be likely to occur vehicle disobey stop, first microprocessor MCU 21 will integrate other pass
The detection data of sensor, which judges whether to occur vehicle, to be disobeyed and stops.
Distance of the microwave remote sensor 23 to barrier immediately ahead of detecting distance, and the waveform that will test is fed back to
The first microprocessor MCU 21;The information meter that the first microprocessor MCU 21 is detected according to the microwave remote sensor 23
The distance for calculating barrier, the sensitivity value range that microwave remote sensor is arranged according to vehicle chassis altitude range are (real of the invention one
It applies in example, sensitivity value range corresponds to the altitude range of vehicle chassis, such as 12cm~37cm, naturally it is also possible to be set as needed
Other ranges).
The first microprocessor MCU 21 is handling a variety of sensing data information, and Time-sharing control different sensors
Working condition saves energy consumption while improving detection accuracy, effective will finally disobey stop information of vehicles by the first LoRa without
Line communication module 24 is sent to control centre 1.
The sound broadcasting device 3 (sees Fig. 2, in this hair including the second microprocessor 31, the second wireless communication module
In a bright embodiment, the second wireless communication module is the 2nd LoRa wireless communication module 33) and horn module 32, second micro- place
Reason device 31 is separately connected the 2nd LoRa wireless communication module 33 and horn module 32;Second microprocessor 31 utilizes second
LoRa wireless communication module 33 receives the command information of control centre 1, controls horn module 32 according to command information and plays phase
The voice prompting answered.
The parking detection device can be seal-installed on fire-fighting prohibition parking area domain, and Magnetic Sensor and microwave remote sensor signal have
There is penetrability, the illegal parking being able to detect right above the domain of prohibition parking area.The mountable multiple parkings in same fire-fighting prohibition parking area domain
Detection device expands detection range, and cost can be reduced with the communication of multiple detection devices by installing a sound broadcasting device.Due to magnetic
The penetrability of sensor and microwave remote sensor signal can pass detection device sealed set of stopping compared to displacement sensor etc.
Sensor (signal does not have penetrability), parking detection device of the invention can reduce extraneous factor with sealed set in this way
The interference of (such as leaf, dust, rainwater), while can ensure that equipment stable operation.
In one embodiment of this invention, the Magnetic Sensor is used to detect environmental magnetic field and magnetic field knots modification, and nothing is stopped
When vehicle interferes, the data of Magnetic Sensor detection are environmental magnetic field Be;Contain a large amount of ferromagnetic materials in vehicle, can be equivalent to one
Magnet includes environmental magnetic field B in the data of Magnetic Sensor detection when vehicle drives into prohibition parking area domain and stopseChange with magnetic field
Measure Δ B;First microprocessor MCU analyses whether that there are the separated bring magnetic fields of stopping of vehicle to do according to the data that Magnetic Sensor detects
It disturbs, vehicle, which is disobeyed, to stop rear Magnetic Sensor and can detect the magnetic field knots modification Δ B of a stable stepped change.The microwave remote sensor
Distance to barrier immediately ahead of detecting distance;Microwave remote sensor has the function of emitting signal and receives signal, by dividing
Analysis transmitting signal may determine that at a distance from barrier with the time difference for receiving signal and the information for receiving signal;According to vehicle bottom
The sensitivity value range of the altitude range setting microwave signal of disk;What the first microprocessor MCU combination Magnetic Sensor detected
The vehicle interference signal that the magnetic field knots modification Δ B and microwave remote sensor of stepped change are detected judges whether there is violating the regulations stop
Vehicle event.
In one embodiment of this invention, first wireless communication module, the second wireless communication module include NB-IoT
Module;In another embodiment of the invention, first wireless communication module, the second wireless communication module include ZigBee mould
Block.
In one embodiment of this invention, referring to Fig. 2, the control centre 1 is prohibited by LoRa network management 4 and multiple fire-fightings
Stop the parking detection device 2 in region, sound broadcasting device 3 connects, while monitoring multiple fire-fighting prohibition parking areas domain.Of the invention another
In one embodiment, the present invention in parking detection device 2, sound broadcasting device 3 can also use other wireless communication modes with
Control centre 1 carries out data interaction, such as Wifi module, 4G mobile communication module, ZigBee module can be used;Parking detection
Device 2, sound broadcasting device 3 can be directly connected to control centre 1 by this kind of wireless communication module.
In one embodiment of this invention, the first microprocessor MCU includes: magnetic heat transfer agent analysis module, microwave
Signal analysis module, sails out of judgment module, voice reminder playing control module, car door at illegal parking detection pattern switch module
Switch judgment module.Magnetic heat transfer agent analysis module judges whether there is vehicle to the data detected according to the Magnetic Sensor
The magnetic field knots modification of a stable stepped change is generated after interference and vehicle interference.
Distance of the microwave signal analysis module to the data calculating barrier detected according to the microwave remote sensor, and will
The distance for the barrier being calculated and the comparison of preset microwave remote sensor sensitivity value range judge whether there is vehicle interference.
Illegal parking detection pattern switch module is in the magnetic heat transfer agent analysis module, microwave signal analysis module
It has shown that vehicle is disobeyed the stopping time, has started illegal parking detection pattern;When judging that vehicle sails out of fire-fighting prohibition parking area domain at the appointed time,
Then stop illegal parking detection pattern.
Judgment module is sailed out of to judge whether vehicle sails out of fire-fighting prohibition parking area domain;Sail out of judgment method are as follows: Magnetic Sensor
Detect that the magnetic field stepped change amount generated after vehicle interference and vehicle interference and the magnetic field stepped change amount generated when parking are mutual
It mends, and microwave remote sensor does not find that vehicle interferes, then is judged as that vehicle sails out of.
Voice reminder playing control module passes through first not sail out of fire-fighting prohibition parking area domain at the appointed time in vehicle
Illegal parking information is sent to control centre by LoRa wireless communication module, and control centre controls the loudspeaker of the sound broadcasting device
Module carries out voice broadcast, reminds driver.
Door contact interrupter judgment module is to judge to disobey parking with the presence or absence of doubtful door open event;Doubtful door opening event is sentenced
Disconnected method are as follows: in illegal parking detection-phase, Magnetic Sensor detects that magnetic field is interfered, and magnetic field data before and after magnetic interference
Value does not change, then is judged as and door opening event occurs.
The composition of the parking detection system of present invention prevention hidden fire-fighting danger is described above and realizes that process, the present invention are being taken off
While showing above system, the parking detection method of above-mentioned parking detection system is also disclosed, Fig. 3 is to stop in one embodiment of the invention
The flow chart of vehicle detection method;Referring to Fig. 3, in one embodiment of this invention, the parking detection method includes:
Step 1, Magnetic Sensor detect whether there are vehicle interference, when detecting vehicle interference and produce after vehicle interference
A raw stable stepped changes of magnetic field amount, by changing magnetic field data transmission to first microprocessor MCU;
Step 2, first microprocessor MCU receive when stablizing stepped variable quantity of magnetic field value, open microwave remote sensor
Detection, first microprocessor MCU receives microwave remote sensor data, and whether the distance of disturbance of analysis object meets the chassis height of vehicle
Range is spent, if met, there are vehicles to interfere (as shown in Figure 4) for judgement;
Step 3 judges whether Magnetic Sensor, microwave remote sensor detect the presence of vehicle interference, if detecting the presence of
Vehicle interference, then open illegal parking detection pattern.In one embodiment of this invention, if first microprocessor MCU is according to magnetic
There are stable magnetic interferences for the data judgement of sensor detection;Meanwhile first microprocessor MCU is detected according to microwave remote sensor
Data judgement there are the height of barrier and barrier to meet sensitivity value range, then first microprocessor MCU judgement there are vehicles
Disobey stop, open illegal parking detection pattern.In illegal parking detection pattern, including at least one of following process:
(1) judge whether vehicle sails out of fire-fighting prohibition parking area domain at the appointed time, if sailing out of, stop illegal parking detection
Mode.Sail out of judgment method are as follows: Magnetic Sensor detect after vehicle interference and vehicle interference the magnetic field stepped change amount that generates with
The magnetic field stepped change amount generated when parking is complementary, and microwave remote sensor does not find that vehicle interferes, then is judged as that vehicle sails out of (such as
Shown in Fig. 5).If vehicle does not sail out of fire-fighting prohibition parking area domain at the appointed time, first microprocessor MCU is wireless by the first LoRa
Illegal parking information is sent to control centre by communication module, and control centre controls sound broadcasting device (such as horn module) and carries out
Voice broadcast reminds driver, then stops illegal parking detection pattern.
(2) in illegal parking detection process, judge whether doubtful door opening event occur, if finding doubtful door opening thing
Part, first microprocessor MCU issue illegal parking information to control centre in advance, and control centre sends a command to voice broadcast mould
Block reminds driver to sail out of, and then stops illegal parking detection pattern.Doubtful door opening event judgment method are as follows: stopping in violation of rules and regulations
Vehicle detection-phase, Magnetic Sensor detect that magnetic field is interfered, and magnetic field data value does not change before and after magnetic interference, then sentences
Break as door opening event (as shown in Figure 6) occurs.
The system detection algorithm feature are as follows: Magnetic Sensor is detected whether there are vehicle interference, interferes front and back magnetic when detecting
Whether field intensity opens microwave remote sensor after staircase waveform is presented, further confirm that with the presence of vehicle, Magnetic Sensor and microwave
Sensor confirm have vehicle in the presence of then open illegal parking detection pattern;When vehicle parking is more than certain time length, or
There are when close door, first microprocessor MCU transmits illegal parking signal by the first LoRa wireless communication module for detection
To control centre, casting prompt is assigned from control centre to corresponding voice broadcast module, forbids vehicle to occupy fire-fighting to reach
The purpose in channel.The invention can not only save system power dissipation, but also can improve using multisensor joint judgement parking detection
Stop Detection accuracy, and by judging result by LoRa network-control voice broadcast module, it is logical can to reach prevention fire-fighting in real time
The purpose that road occupies in violation of rules and regulations.
In conclusion the parking detection system and method for prevention hidden fire-fighting danger proposed by the present invention, are joined using multisensor
Conjunction judges whether there is illegal parking, can not only save system power dissipation, but also can improve parking Detection accuracy, and judgement is tied
Fruit controls voice broadcast module by wireless network (such as LoRa network), can reach what prevention passageway for fire apparatus in real time occupied in violation of rules and regulations
Purpose is effectively prevented illegal parking event and is occurred.
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, the realities for those skilled in the art
The replacement and equivalent various parts for applying example are well known.It should be appreciated by the person skilled in the art that not departing from the present invention
Spirit or essential characteristics in the case where, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change.