TWM561300U - Parking space detection system - Google Patents

Abstract

The present invention discloses a parking space detection system including a vehicle presence detector, wherein the vehicle presence detector is connected with a control system, and the vehicle presence detector includes a first detection module, a second detection module, and a detection processing module. The first detection module is configured to detect a change value of the first signal, and when the change value of the first signal is less than a set threshold, the second detection module receives the second signal, and the detection processing mode The group is configured to receive the first signal and the second signal, and obtain the third signal by using the first signal and the second signal, wherein the control system is configured to receive and process the third signal, and the present invention aims to solve the prior art The problem of the parking space detecting device in the middle has the advantage of high detection accuracy.

Description

Parking space detection system

This creation relates to the field of parking space detection technology, and specifically relates to a parking space detection system.

With the improvement of people's material living standards, the number of urban vehicles has been increasing rapidly, which has brought many parking lot parking spaces and difficulties in finding empty parking spaces.

In order to realize the monitoring of the parking space, the existing parking space detecting device is generally composed of a geomagnetic sensor, a microprocessor, a wireless communication module and a battery, and is installed in a plastic casing. Such parking space detecting devices are generally installed on the ground in the area where the parking space is located by surface mounting or underground.

The parking space detection device generally adopts a low-power mode during operation, periodically activates the geomagnetic sensor, detects the change of the geomagnetism to determine the change of the parking space state, and sends the data to the wireless through the wireless communication module when the parking space information is detected by the geomagnetic sensor. In the receiver. With a single geomagnetic sensor, the accuracy of parking space detection is low, and it is often impossible to detect a small number of vehicles, or the vehicle is misjudged because of magnetic field interference.

In view of this, the present invention provides a parking space detection system to solve the problems of the parking space detecting device in the prior art.

In order to achieve the foregoing objects, the present invention provides a parking space detection system including a vehicle presence detector, the vehicle presence detector being coupled with a control system, the vehicle presence detector including a first detection module, and a second a detecting module and a detecting processing module, wherein the first detecting module is configured to detect a change value of the first signal, and when the change value of the first signal is less than a set threshold, the second detecting module receives the second a signal, the detection processing module is configured to receive the first signal and the second signal, and obtain a third signal by using the first signal and the second signal, wherein the control system is configured to receive and process the third signal.

Preferably, the first detecting module is specifically a geomagnetic detecting module, and the geomagnetic detecting module has a first working mode and a second working mode, the first working mode is for operating in a low power consumption state, and the second The working mode is for periodically detecting the first signal and obtaining a change value of the first signal.

Preferably, the second detecting module is specifically an infrared detecting module, and the infrared detecting module is configured to emit an infrared light source, and obtain the second signal by detecting a reflection time length and/or a reflection angle.

Preferably, the control system includes a relay module, a coordination module, and a processing module, and the relay module is configured to connect the vehicle presence detector and the coordination module, and the coordination module And configured to connect the relay module and the processing module, where the processing module is configured to process the third signal.

Preferably, the relay module further includes a first frequency emission module, the relay module is configured to amplify the third signal, and pass the amplified third signal to the first radio frequency communication mode The group is sent to the coordination module.

Preferably, the coordination module includes a second frequency module, a storage module, and a coordination processing module, and the second frequency module is configured to receive the amplified third signal, the storing The module is configured to store the third signal, and the coordination processing module is configured to control the second frequency emission module and the storage module.

Preferably, the coordination processing module is further connected with a power module, and the power module includes a renewable energy battery module, a charging and discharging module, and a power management module, and the renewable energy battery module is used for Generating electrical energy, the charging and discharging module is configured to store or release electrical energy generated by the renewable energy battery module, and the power management module is configured to coordinate the renewable energy battery module and the charging and discharging module.

More preferably, the renewable energy battery module is further configured to provide power to the coordinated processing module.

Compared with the prior art, the present invention is described in detail as follows: The present invention includes a vehicle presence detector disposed on a parking space, and the first detection module of the vehicle presence detector detects a change of the first signal on the parking space. The value of the change of the first signal is specifically a change value of the geomagnetic signal; when the change value of the local magnetic signal is less than the set threshold, the second detection module detects the distance between the object on the parking space and the second detection module by emitting an infrared light source. And loading the distance value in the second signal; the control system determines the parking position of the parking space in conjunction with the change value of the first signal and the distance value in the second signal. The system not only uses the first detection module to detect the change of the geomagnetic signal on the parking space, but also uses the second detection module to measure the distance value of the object on the parking space, and uses the above parameters to improve the detection result of the vehicle in-position detector, thereby avoiding the false negative report. Or false positives

1‧‧‧Vehicle in-position detector

2‧‧‧Control system

3‧‧‧Relay module

4‧‧‧Coordination module

5‧‧‧Processing module

11‧‧‧First detection module

12‧‧‧Second test module

13‧‧‧Detection processing module

31‧‧‧First Frequency Module

41‧‧‧second frequency module

42‧‧‧Memory Module

43‧‧‧Coordinated Processing Module

44‧‧‧Power Module

45‧‧‧Renewable energy battery module

46‧‧‧Charge and discharge module

47‧‧‧Power Management Module

Figure 1 is a schematic diagram of the creation.

Figure 2 is a schematic diagram of the control system of the present invention.

FIG. 3 is a schematic diagram of a relay module of the present invention.

Figure 4 is a schematic diagram of the coordination module of the present creation.

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

A parking space detection system, as shown in FIG. 1 , includes a vehicle presence detector 1 and a control system 2 . The vehicle presence detector 1 includes a first detection module 11 , a second detection module 12 , and a detection processing module . 13. The vehicle presence detector 1 is coupled to the control system 2 for transmitting a signal to the control system 2, the control system 2 for receiving and processing the vehicle The signal transmitted by the bit detector 1.

Wherein: the vehicle presence detector 1 comprises one or more, when the number of the vehicle presence detectors is 1, it is located in the center of the parking space, when the number of the vehicle in-position detectors 1 When there are multiple, it is evenly distributed within the range of a parking space, or evenly distributed within the range of a plurality of parking spaces, and one-to-one correspondence.

The vehicle in-position detector 1 includes a first detecting module 11 and a second detecting module 12, and the number of the first detecting module 11 and the second detecting module 12 in each of the vehicle in-position detectors 1 is one. Or a plurality of, the first detecting module has a first working mode for saving energy consumption, and a second working mode for measuring the first signal and obtaining a change value of the first signal The second detecting module is configured to measure a distance value between the second detecting module and the object, and load the distance value into the second signal; the detecting processing module 13 is configured to receive the first signal and the first a second signal, and using the first signal and the second signal to obtain a third signal, the detection processing module 13 is further configured to send a third signal to the control system 2, where the control system 2 is used The third signal is received and processed.

Specifically, the first detecting module 11 is a geomagnetic detecting module for detecting a change of geomagnetism, the first detecting module 11 is further provided with a first set threshold, and the second detecting module 12 is infrared. a detecting module, configured to emit an infrared light source and receive the reflected light of the infrared light source, The distance between the infrared detection module and the object is measured by the time or angle from the time of the emission to the reception of the reflected light. The first detection module 11 is further provided with a second set threshold; the first signal is specifically loaded. a signal having a geomagnetic change value; the second signal is specifically a signal loaded with a distance value between the infrared detecting module and the object: when the change value of the first signal is less than a first set threshold, the infrared detecting The module is configured to emit an infrared light source, and obtain a distance value between the infrared detecting module and the object by detecting a length of the reflection time and/or a reflection angle, and the distance value is compared with the second threshold to obtain a second signal. The detection processing module 13 is configured to receive the first signal and the second signal, and combine the first signal and the second signal to obtain a parameter value that determines a car probability or a car-free probability, and has a vehicle probability or a car-free probability. Loading in the third signal and transmitting a third signal to the control system 2, the control system 2 for receiving and processing the third signal.

As shown in FIG. 2, the control system 2 includes a relay module 3, a coordination module 4, and a processing module 5, and the relay module 3 is connected to the vehicle presence detector 1 and the coordination module. 4. The relay module 3 is configured to amplify the third signal emitted by the vehicle in the detector 1 and send the amplified third signal to the coordination module 4 to prevent the third signal from being transmitted. Attenuation; the coordination module 4 is connected to the relay module 3 and the processing module 5, and the coordination module is configured to receive and coordinate management of one or more of the vehicles in the position detector 1 to send One or more of the third signals; the processing module 5 is configured to receive and process the third signal.

Specifically, as shown in FIG. 3, the relay module 3 includes a first frequency module 31, and the first frequency module is configured to send the amplified third signal to the coordination mode. Group 22.

As shown in FIG. 4, the coordination module 4 includes a second frequency module 41, a storage module 42 and a coordination processing module 43. The second frequency module 41 is configured to receive the enlarged The three-signal, the storage module 42 is configured to store the third signal, to prevent the communication interruption from causing loss of parameters in the third signal, and the coordination processing module 43 is configured to control the second frequency-emitting module 41 and The storage module 42 includes receiving the third signal through the second frequency transmitting module 41, and the third signal The signal is sent to the storage module 42 for storage, or used to retrieve the third signal from the storage module 42 , and the third signal is sent to the processing module 5 through the second frequency module 41 .

The power processing module 44 is further connected to the power module 44. The power module 44 includes a renewable energy battery module 45, a charging and discharging module 46, and a power management module 47. The renewable energy battery module 45 for generating electrical energy, the charging and discharging module 46 is configured to store or release the electrical energy generated by the renewable energy battery module 44, and the power management module 47 is configured to coordinate the renewable energy battery module 45 and the charge and discharge module 46. The renewable energy battery module 44 is further configured to provide power to the coordinated processing module 43.

The renewable energy battery 45 is specifically a solar panel, and the charging and discharging module 46 is specifically a rechargeable battery, and the solar panel is used to convert solar energy into electrical energy, and supplies power to the control system 2 as a power source. The solar panel is further configured to replenish electric energy to the charging and discharging module 46. When the solar panel is insufficient to generate sufficient electric energy, the power management module 47 switches the power source to the charging and discharging module 46. The charging and discharging module 46 supplies power to the control system 2.

The present invention includes a vehicle presence detector disposed on a parking space, and the first detection module of the vehicle presence detector detects a change value of the first signal on the parking space, and the change value of the first signal is specifically a geomagnetic signal. The change value; when the local magnetic signal change value is less than the set threshold value, the second detection module detects the distance value between the object on the parking space and the second detection module by transmitting the infrared light source, and loads the distance value in the second signal; The control system determines the parking position of the parking space in conjunction with the change value of the first signal and the distance value in the second signal.

The system not only uses the first detection module to detect the change of the geomagnetic signal on the parking space, but also uses the second detection module to measure the distance value of the object on the parking space, and uses the above parameters to improve the detection result of the vehicle in-position detector, thereby avoiding the false negative report. Or a false positive.

The control system in the system uses a solar panel as a power supply, and the solar panel is also used to supply power to the charging and discharging module. When the power generated by the solar panel is insufficient to maintain the control system, the power management module will supply power. The power supply is switched to the charging and discharging module, which has the advantages of high energy utilization rate and good energy saving effect.

The above is only a preferred embodiment of the present invention. It should be noted that the above-described preferred embodiments are not to be construed as limiting the present invention. The scope of the present invention should be determined by the scope defined by the claims. It will be apparent to those skilled in the art that a number of improvements and modifications may be made without departing from the spirit and scope of the present invention, and such improvements and modifications should also be considered as protection of the present invention.

Claims (8)

A parking space detection system includes a vehicle presence detector, wherein the vehicle presence detector is connected with a control system, and the vehicle presence detector includes a first detection module, a second detection module, and a detection processing module. The first detecting module is configured to detect a change value of the first signal, and when the change value of the first signal is less than a set threshold, the second detecting module receives the second signal, and the detecting processing module And for receiving the first signal and the second signal, and obtaining the third signal by using the first signal and the second signal, the control system is configured to receive and process the third signal. The parking space detecting system of claim 1, wherein the first detecting module is a geomagnetic detecting module, and the geomagnetic detecting module has a first working mode and a second working mode, and the first working mode is used. Operating in a low power consumption state, the second mode of operation is for periodically detecting the first signal and obtaining a change value of the first signal. The parking space detecting system of claim 1, wherein the second detecting module is an infrared detecting module, and the infrared detecting module is configured to emit an infrared light source by detecting a reflection time length and/or a reflection angle. Obtaining the second signal. The parking space detecting system of claim 1, wherein the control system comprises a relay module, a coordination module and a processing module, wherein the relay module is configured to connect the vehicle in-position detector and the The coordination module is configured to connect the relay module and the processing module, and the processing module is configured to process the third signal. The parking space detecting system of claim 4, wherein the relay module further comprises a first frequency shooting module, wherein the relay module is configured to amplify the third signal, and the enlarged The third signal is sent to the coordination module by the first radio frequency module. The parking space detection system of claim 4, wherein the coordination module comprises a second frequency module, a storage module and a coordination processing module, and the second frequency module is used for Receiving the amplified third signal, the storage module is configured to store the third signal, and the coordination processing module is configured to control the second frequency emission module and the storage module. The parking space detection system of claim 4, wherein the coordination processing module is further connected with a power module, wherein the power module comprises a renewable energy battery module, a charging and discharging module, and a power management module. The renewable energy battery module is configured to generate electrical energy, the charging and discharging module is configured to store or release electrical energy generated by the renewable energy battery module, and the power management module is configured to coordinate the renewable energy Energy battery module, charging and discharging module. The parking space detection system of claim 7, wherein the renewable energy battery module is further configured to provide power to the coordinated processing module.