WO2019084819A1

WO2019084819A1 - Vehicle information acquisition system and method

Info

Publication number: WO2019084819A1
Application number: PCT/CN2017/108741
Authority: WO
Inventors: 范春林; 郭珊毅; 吴涛
Original assignee: 深圳市小猫信息技术有限公司
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2019-05-09

Abstract

The present invention is applicable in the technical field of parking management, and provided thereby are a vehicle information acquisition system and method, the system comprising: a vehicle information acquisition device, used for acquiring vehicle information (comprising a license plate number) of a vehicle before the vehicle passes a restricting device and reporting the same to a master controller; a counting device, used for counting the quantity of vehicles expected to pass the restricting device and reporting the number to the master controller; and the master controller, used for transmitting an acquisition instruction to the vehicle information acquisition device when determining that the recorded quantity of acquired license plate numbers is not the same as the quantity of vehicles expected to pass the restricting device as reported by the counting device, such that the vehicle information acquisition device acquires the vehicle information of the vehicle again before the vehicle passes the restricting device. The number of times the vehicle information acquisition system acquires information may be controlled by means of the result of comparing the recorded quantity of license plate numbers to the quantity of vehicles expected to pass the restricting device as reported by the counting device, thereby effectively reducing the rate of missed acquisition and improving the recognition rate and the accuracy of the vehicle information acquisition device.

Description

Description: A vehicle information collection system and method

[0001] The present invention belongs to the field of parking management technologies, and in particular, to a vehicle information collecting system method.

Background technique

[0002] With the development of the economy and the improvement of people's living standards, automobiles have become an indispensable means of transportation for people. As the number of vehicles increases, the demand for parking spaces increases. However, parking billing is an indispensable part of parking management, and the requirements for the rationality and efficiency of parking billing are also increasing.

[0003] In the prior art, when the vehicle enters and exits the parking lot, the distance between the two vehicles is small, and the license plate of the vehicle that follows is easy to be blocked by the preceding vehicle, and the collecting device is easy to miss and collect some vehicles. The information thus makes the information of the collected vehicle inaccurate and incomplete, and brings more troubles to management matters such as charging of the parking lot.

technical problem

[0004] An embodiment of the present invention provides a vehicle information collecting system, which aims to solve the problem that the information collection of the two vehicles is small and the vehicle information is easy to be missed and the parking lot is charged to the parking lot in the prior art. A problem that causes a lot of trouble.

Problem solution

Technical solution

[0005] The embodiment of the present invention is implemented in this manner, and a vehicle information collecting system includes:

[0006] a vehicle information collecting device, configured to collect vehicle information of the vehicle before the vehicle passes through the limiting device, and report the vehicle information to the main control, where the vehicle information includes a license plate number;

[0007] a counting device, configured to count the number of vehicles pre-passing the limiting device, and report the number to the main control; [0008] a main control, configured to determine the number of the obtained license plate number and report the counting device Sending an acquisition instruction to the vehicle information collection device in advance of the number of vehicles passing through the restriction device, so that the vehicle information collection device collects the vehicle f π of the vehicle again before the vehicle passes the restriction device interest. An embodiment of the present invention further provides a vehicle information collection method, where the method includes the following steps:

[0010] acquiring vehicle information reported by the preset vehicle information collection device before the vehicle passes the restriction device, where the vehicle information includes a license plate number;

Obtaining, by the preset counting device, the number of vehicles pre-passing the limiting device;

[0012] after determining that the acquired number of license plate number records does not match the number of vehicles pre-flighted by the counting device reported by the counting device, sending an acquisition instruction to the vehicle information collecting device, so that the vehicle information collecting device The vehicle information of the vehicle is again acquired before the vehicle passes the restriction device.

Advantageous effects of the invention

Beneficial effect

[0013] According to the vehicle information collecting system provided by the embodiment of the present invention, after the vehicle enters and exits the vehicle, the counting device counts the number of vehicles passing through the limiting device, and after passing through the counting device, the vehicle needs to be decelerated and waited, and is recognized in the preceding vehicle. After the squatting, the distance between the two cars is naturally pulled, and the vehicle also needs to decelerate before passing through the limiting device. The vehicle information collecting device can have sufficient time to clearly collect the vehicle information of each vehicle in turn. When the number of vehicles of the pre-passing restriction device reported by the master judgment counting device is inconsistent with the number of the license plate number acquired, the vehicle information collecting device controls the vehicle information of the vehicle to be collected again, so that the vehicle information of all the vehicles entering and leaving the vehicle is made. The collection is more complete and accurate, and the recognition rate and accuracy of the vehicle information collection device are effectively improved. In the prior art, the distance between the two vehicles is small, and the information collection of the vehicle entering and leaving the parking lot is easy to be missed and given to the parking lot. Management matters such as billing bring a lot of trouble.

Brief description of the drawing

DRAWINGS

1 is a schematic structural diagram of a vehicle information collecting system according to an embodiment of the present invention;

2 is a schematic structural diagram of another vehicle information collecting system according to an embodiment of the present invention;

3 is a schematic structural diagram of a vehicle information collection system according to an embodiment of the present invention;

4 is a schematic flowchart of an implementation process of a vehicle information collection method according to an embodiment of the present invention;

FIG. 5 is a flowchart of an implementation of another vehicle information collection method according to an embodiment of the present invention. Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The terms used in the embodiments of the present invention are for the purpose of describing particular embodiments only, and are not intended to limit the invention. The singular forms "a", "the" and "the" It should also be understood that the terms "and I or" as used herein mean and encompass any and all possible combinations of one or more of the associated listed items.

[0021] According to the vehicle information collecting system provided by the embodiment of the present invention, after the vehicle enters and exits the vehicle, the counting device counts the number of vehicles passing through the limiting device, and after passing through the counting device, the vehicle needs to be decelerated to wait, and is recognized in the preceding vehicle. After the squatting, the distance between the two cars is naturally pulled, and the vehicle also needs to decelerate before passing through the limiting device. The vehicle information collecting device can have sufficient time to clearly collect the vehicle information of each vehicle in turn. When the number of vehicles of the pre-passing restriction device reported by the master judgment counting device is inconsistent with the number of the license plate number acquired, the vehicle information collecting device controls the vehicle information of the vehicle to be collected again, so that the vehicle information of all the vehicles entering and leaving the vehicle is made. The collection is more complete and accurate, and effectively improves the recognition rate and accuracy of the vehicle information collection device.

1 is a schematic structural diagram of a vehicle information collecting system according to an embodiment of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.

[0023] With reference to FIG. 1, an embodiment of the present invention provides a vehicle information collecting system, including:

[0024] The vehicle information collecting device 1 is configured to collect vehicle information of the vehicle before the vehicle passes through the limiting device 2, and report the vehicle information to the main control 3, where the vehicle information includes a license plate number.

[0025] The counting device 4 is configured to count the number of vehicles pre-passing the limiting device 2, and report the number to the main control

3.

The main control 3 is configured to send an acquisition instruction to the vehicle information collection device 1 after determining that the acquired license plate number record number does not match the number of vehicles pre-flighted by the limit device 2 reported by the counting device 4 So that the vehicle information collecting device 1 collects the vehicle information of the vehicle again before the vehicle passes through the limiting device 2. [0027] In the embodiment of the present invention, the vehicle information collecting device 1 can be located near the limit device of the entrance and exit of the parking lot, and the vehicle is slowed down or stopped after waiting for the limit device 2, and is conveniently located here. Collect vehicle information. The vehicle information collecting device 1 is configured to collect vehicle information of the vehicle before the vehicle passes through the limiting device 2, wherein the vehicle information includes a license plate number of the vehicle, and can communicate with the main control 3 by wire or wirelessly, and the collected information is collected. The vehicle information is reported to the master 3.

[0028] In the embodiment of the present invention, when the vehicle enters and exits the parking lot through the counting device 4, it is required to slow down, and the vehicle sequentially counts by the counting device 4. The counting device 4 may be an integrated device of one or a combination of a geomagnetic sensor, a radar or an infrared sensor or a combination thereof, and the number of vehicles passing through the limiting device 2 can be actually recognized by a variation law of a magnetic field, an electromagnetic wave, an infrared ray or the like. The communication with the main control ₃ can be performed wirelessly or by wire, and the number of identified vehicles is reported to the main control 3. Preferably, the counting device 4 is a combination of a geomagnetic sensor and a radar or an integrated device thereof, and the identification and counting of the two can improve the accuracy of the identification of the number of vehicles.

[0029] In the embodiment of the present invention, the main control 3 may be a single-chip controller, a PC (Personal Computer), a tablet computer, etc.; or a server set in the background, or a plurality of servers The server group, or a cloud computing service center, is not limited thereto, and communicates with the traffic limiting device 2 and the vehicle information collecting device 1 by wireless or wired, and specifically, may include collecting the above vehicle information. The device 1, the limiting device 2, and the counting device 4 output a control command, and receive the vehicle information reported by the vehicle information collecting device 1, and record the license plate number, and receive the number of vehicles pre-passed by the limiting device 2 reported by the counting device 4, and After judging that the number of records of the acquired license plate number does not match the number of vehicles pre-passing the restriction device 2, and controlling the vehicle information collecting device 1 to re-acquire the vehicle information of the vehicle passing through the restriction device 2.

[0030] In an embodiment of the present invention, the restricting device 2 may be a gate provided at the entrance and exit of the parking lot so that the vehicle can pass through it and the lowering of the weir is blocked. By setting the restriction device 2, not only can the owner consciously and orderly enter and close the parking lot through the opening and closing of the restriction device 2, but also maintain the parking order of the parking lot; Moreover, the vehicle waiting for the restriction device 2 needs to be decelerated or stopped. The vehicle information collecting device 1 is provided with sufficient time for collecting vehicle information, and also facilitates the parking lot management personnel or the main control 3 to record the vehicle information of the entering and leaving the vehicle and the entry and exit time, as the charging basis for the vehicle exit. It is beneficial to improve the accuracy of parking billing and the efficiency of parking management. [0031] In the embodiment of the present invention, the foregoing wireless communication methods include, but are not limited to, WiFi, LoRa, Zi gbee°

According to the vehicle information collecting system provided by the embodiment of the present invention, after the vehicle enters and exits the vehicle, the counting device counts the number of vehicles passing through the limiting device, and after passing through the counting device, the vehicle needs to be decelerated to wait, and is recognized in the preceding vehicle. After the squatting, the distance between the two cars is naturally pulled, and the vehicle also needs to decelerate before passing through the limiting device. The vehicle information collecting device can have sufficient time to clearly collect the vehicle information of each vehicle in turn. When the number of vehicles of the pre-passing restriction device reported by the master judgment counting device is inconsistent with the number of the license plate number acquired, the vehicle information collecting device controls the vehicle information of the vehicle to be collected again, so that the vehicle information of all the vehicles entering and leaving the vehicle is made. The collection is more complete and accurate, and the recognition rate and accuracy of the vehicle information collection device are effectively improved. In the prior art, the distance between the two vehicles is small, and the information collection of the vehicle entering and leaving the parking lot is easy to be missed and given to the parking lot. Management matters such as billing bring a lot of trouble.

FIG. 2 is a schematic structural diagram of another vehicle information collecting system according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown.

[0034] Referring to FIG. 2, in the embodiment of the present invention, the vehicle information collecting apparatus 1 includes a first information collecting device 11 and a second information collecting device 12, and the first information collecting device 11 is disposed in the second information collecting device. Above the device 12. As shown in FIG. 3, the first information collecting device 11 and the second information collecting device 12 may each be a camera, and the two are fixed on the same bracket side by side; or respectively disposed on different fixing brackets, and first The height of the information collecting device 11 from the ground is greater than the height of the second information collecting device 12 from the ground. The first information collecting device 11 and the second information collecting device 12, which are disposed on different fixed brackets, may be disposed on one side of the lane or may be respectively disposed on both sides of the lane.

[0035] In the embodiment of the present invention, after the vehicle travels into the identification collection area of the first information collection device 11 or the second information collection device 12, the first information collection device 11 or the second information collection device 12 is the vehicle. The vehicle information is identified and collected, and the collected vehicle information is reported to the main control 3. The vehicle information includes a license plate number, a color of the license plate, a picture of the license plate number taken in and out of the field, and the like.

[0036] When the vehicle travels in and out of the parking lot, it can enter the identification collection area of the first information collecting device 11 at a relatively long distance, and enter the identification collecting area of the second information collecting device 12 at a lower distance. , so that the vehicle information identifies the distance of the collection area is elongated, there is sufficient distance and daytime identification Collect vehicle information to improve recognition rate and accuracy.

[0037] As a preferred embodiment of the present invention, the set heights of the first information collecting device 11 and the second information collecting device 12 can be adjusted according to the height of the vehicle. Specifically, the set heights of the first information collecting device 11 and the second information collecting device 12 can be adjusted according to the installation height of the license plate number of the vehicle, so that the vehicle enters the first information collecting device 11 and the second information collecting device 12 while traveling. After identifying the collection area, the license plate number can be clearly captured, which improves the recognition rate and accuracy of the collection.

[0038] As an embodiment of the present invention, in a straight lane, when the horizontal distance of the snap line (coil) from the vehicle information collecting device 1 is 4-6 meters, and the width of the lane is 3.5 meters, The installation height of the vehicle information collecting device 1 is set to 1.2 to 1.5 meters. Specifically, the height of the first information collecting device 11 can be set to 1.2 meters, and the height of the second information collecting device can be set to 1.5 meters.

[0039] As another embodiment of the present invention, in some special scenarios, such as a sharp turn entrance and exit, the channel is short, and the capture distance of the vehicle information collecting device 1 can be set to 2.5 to 4 meters, It is possible to adjust the recognition field of view by carrying different lens adjustments, and improve the recognition rate and accuracy of the recognition acquisition.

In another preferred embodiment of the present invention, the acquisition angles of the first information collection device 11 and the second information collection device 12 are set according to the inclination angle of the lane. Specifically, the inclination angles of the first information collection device 11 and the second information collection device 12 may be set to an angle of not more than 30 degrees with the horizontal ground, so that the first information collection device 11 and the second information collection device 12 are in the vehicle. Driving to the capture line (coil) 吋, can accurately identify the position in the middle of the vehicle's license plate number, improve the recognition rate and accuracy of the recognition collection.

[0041] In the embodiment of the present invention, the identification directions of the first information collecting device 11 and the second information collecting device 12 may be the same direction, or may be different directions, that is, the two may be photographed in the same direction, collecting the vehicle. The license plate number of the front of the vehicle; or the first and last shots, respectively, collect the license plate number of the front and rear of the vehicle

Or take the same shot towards the rear and collect the license plate number at the rear of the vehicle. Preferably, the first and second shooting modes are adopted, and the license plate number at the front or the rear of the vehicle can be adhered by dust or the like to cause individual license plate characters/numbers/letters to be covered, and one of the license plate numbers collected can be guaranteed. It is accurate and helps to improve recognition rate and accuracy.

[0042] In an embodiment of the present invention, the vehicle information collecting device 1 may identify the license plate number by the license plate color, the character or the shape of the license plate of the vehicle, and collect the collected vehicle picture or license plate carrying the license plate number. The number is reported to the master 3. For example, the color of the license plate is white on a blue background, and the rectangle is used. When the vehicle information collecting device 1 recognizes an object with a white rectangle on a blue background, it can capture a picture of the vehicle carrying the object with the white rectangle on the blue background; or directly recognize the The white font on the object, and report the vehicle picture or license plate number carrying the license plate number to the main control 3.

[0043] In the embodiment of the present invention, the counting device 4 is disposed in front of the vehicle information collecting device 1 so that the vehicle performs pre-statistics of the number of vehicles through the counting device 4 before passing through the vehicle information collecting device 1, and pre-statistics The number of vehicles is reported to the master ₃ . Pre-statistics of the number of vehicles entering and leaving the field by the counting device 4 facilitates the number of times the main control 3 performs the collection according to the pre-stated vehicle quantity and the control vehicle information collecting device 1 to avoid missing the collection, thereby improving the recognition rate and accuracy of the collection. degree.

[0044] As an embodiment of the present invention, the main control 3 stores the vehicle information reported by the vehicle information collecting device 1 , records the number of license plate numbers, and correspondingly records the time when the vehicle information is received. Specifically, the main control 3 may separately store the vehicle information reported by the first information collecting device 11 and the second information collecting device 12, and correspondingly record the time when the vehicle information is received, and generate the first vehicle information set and the second. Vehicle information collection.

[0045] In the embodiment of the present invention, the master 3 compares the license plate numbers reported by the first information collecting device 11 and the second information collecting device 12, and if the license plate numbers of both are complete and consistent, then one is recorded. The license plate number, and the corresponding record is received by the first information collecting device 11 to report the license plate number. If the license plate numbers reported by the first information collecting device 11 and the second information collecting device 12 are inconsistent, the license plate number of the license plate number and its corresponding receiving time may be preferentially recorded, or the license plate numbers of both may be recorded, and corresponding Record the time when the license plate number was received. Through the comparison record of the license plate numbers reported by the first information collecting device 11 and the second information collecting device 12, the recognition rate and accuracy of the collection can be further improved.

[0046] In the following, the master control 3 sends an acquisition command to the vehicle information collection device 1 to determine the number of license plate number records acquired and the number of vehicles of the pre-pass restriction device 2 reported by the counting device 4, so that the vehicle information collection device The case where the vehicle information of the vehicle is again collected before the vehicle passes through the restriction device 2:

[0047] For example, when the number of vehicles of the pre-passing restriction device 2 counted and reported by the counting device 4 is 2, and the number of acquired license plate number records is less than 2,, the collection is transmitted to the vehicle information collecting device 1 The instruction is such that the vehicle information collecting device 1 collects the vehicle information of the vehicle again. That is, when judging the acquired The number of records of the license plate number is smaller than the number of vehicles reported by the counting device 4, and the vehicle information collecting device 1 is triggered to perform re-acquisition, thereby improving the recognition rate and accuracy.

[0048] In the embodiment of the present invention, when the master 3 determines that the number of license plate number records acquired is greater than or equal to the number of vehicles of the pre-passing restriction device 2 reported by the counting device 4, the control device 2 is activated to enable the vehicle to By entering and leaving the parking lot through the restriction device 2, the missing collection rate can be reduced.

The vehicle information collecting system provided by the embodiment of the present invention can control the number of times of collecting the vehicle information collecting system by using the comparison result between the number of the license plate number and the number of vehicles that are pre-passed by the counting device reported by the counting device, and effectively reduce the number of times of collecting the vehicle information collecting system. The leakage collection rate improves the recognition rate and accuracy of the vehicle information collection device; and the height and inclination angle of the vehicle information collection device can be flexibly adjusted, so that the vehicle information collection device can accurately and clearly recognize the vehicle information, which can be further Improve the recognition rate and accuracy of vehicle information collection.

[0050] FIG. 4 is a flowchart showing an implementation of a vehicle information collection method according to an embodiment of the present invention, which is described in detail as follows:

[0051] Step S401: Acquire vehicle information reported by the preset vehicle information collection device to collect the vehicle before the vehicle passes the restriction device, where the vehicle information includes a license plate number.

[0052] In the embodiment of the present invention, the preset vehicle information collecting device may be a vehicle information collecting device 1 located near the limit device of the entrance and exit of the parking lot, and the vehicle may slow down after waiting for the limit device 2 Stop, set here to facilitate the collection of vehicle information. The vehicle information collecting device 1 can collect vehicle information of the vehicle before the vehicle passes through the limiting device 2, wherein the vehicle information includes a license plate number of the vehicle, and can communicate with the main control 3 by wire or wirelessly, and the collected vehicle will be collected. The information is reported to the master 3.

[0053] Step S402, acquiring the number of vehicles of the pre-passing restriction device counted by the preset counting device.

[0054] In an embodiment of the present invention, it may be an integrated device of one or a combination of a geomagnetic sensor, a radar or an infrared sensor, or a combination thereof, which can be identified by a variation law of a magnetic field, an electromagnetic wave, an infrared ray, or the like. The number of vehicles passing through the limiting device 2 can be communicated to the master 3 via wireless or wired means, and the number of identified vehicles is reported to the master 3. Preferably, the counting device 4 is a combination of a geomagnetic sensor and a radar or an integrated device thereof, and the identification and counting of the two can be combined to improve the accuracy of the identification of the number of vehicles.

[0055] Step S403, determining the number of the obtained license plate number and the pre-pass limit reported by the counting device. If the number of vehicles of the device is inconsistent, an acquisition command is sent to the vehicle information collecting device to cause the vehicle information collecting device to collect the vehicle information of the vehicle again before the vehicle passes through the limiting device.

[0056] As an embodiment of the present invention, the main control 3 stores the vehicle information reported by the vehicle information collecting device 1 , records the number of license plate numbers, and correspondingly records the time when the vehicle information is received. Specifically, the main control 3 may separately store the vehicle information reported by the first information collecting device 11 and the second information collecting device 12, and correspondingly record the time when the vehicle information is received, and generate the first vehicle information set and the second. Vehicle information collection.

[0057] In the embodiment of the present invention, the master 3 compares the license plate numbers reported by the first information collecting device 11 and the second information collecting device 12, and if the license plate numbers of both are complete and consistent, then one is recorded. The license plate number, and the corresponding record is received by the first information collecting device 11 to report the license plate number. If the license plate numbers reported by the first information collecting device 11 and the second information collecting device 12 are inconsistent, the license plate number of the license plate number and its corresponding receiving time may be preferentially recorded, or the license plate numbers of both may be recorded, and corresponding Record the time when the license plate number was received. Through the comparison record of the license plate numbers reported by the first information collecting device 11 and the second information collecting device 12, the recognition rate and accuracy of the collection can be further improved.

[0058] In the following, the master control 3 sends an acquisition command to the vehicle information collection device 1 to determine the number of license plate number records acquired and the number of vehicles of the pre-pass restriction device 2 reported by the counting device 4, so that the vehicle information collection device The case where the vehicle information of the vehicle is again collected before the vehicle passes through the restriction device 2:

[0059] For example, when the number of vehicles of the pre-passing restriction device 2 counted and reported by the counting device 4 is 2, and the number of acquired license plate number records is less than 2,, the collection is transmitted to the vehicle information collecting device 1 The instruction is such that the vehicle information collecting device 1 collects the vehicle information of the vehicle again. That is, when it is judged that the number of records of the acquired license plate number is smaller than the number of vehicles reported by the counting device 4, the vehicle information collecting device 1 is triggered to perform re-acquisition, thereby improving the recognition rate and accuracy.

[0060] In the embodiment of the present invention, when the master 3 determines that the number of license plate number records acquired is greater than or equal to the number of vehicles of the pre-passing restriction device 2 reported by the counting device 4, the control device 2 is activated to enable the vehicle to By entering and leaving the parking lot through the restriction device 2, the missing collection rate can be reduced.

The vehicle information collecting method provided by the embodiment of the present invention can control the mining of the vehicle information collecting system by comparing the number of the license plate number with the number of vehicles of the pre-passing device that is reported by the counting device. The number of times is set, the leakage collection rate is effectively reduced, the recognition rate and accuracy of the vehicle information collection device are improved, and the height and inclination angle of the vehicle information collection device can be flexibly adjusted, so that the vehicle information collection device can be accurately and clearly identified. The vehicle information can further improve the recognition rate and accuracy of vehicle information collection.

[0062] In the embodiment of the present invention, the step S303 includes: after receiving the number of vehicles pre-passed by the counting device and passing through the limiting device, the vehicle is not acquired within a preset time range After acquiring the vehicle information collected by the device, the acquisition instruction is sent to the vehicle information collection device, so that the vehicle information collection device collects the vehicle information of the vehicle again before the vehicle passes the restriction device.

[0063] In the embodiment of the present invention, before the vehicle enters the approach recognition area or the exit recognition area, the preset counting device 4 is started to count the vehicles passing through the counting area, and the pre-reported on the receiving counting device 4 After the number of vehicles of the traffic limiting device 2 is not acquired, the vehicle information reported by the vehicle information collecting device i is not acquired within a preset time range (for example, 1 to 3 seconds), and the acquisition command is transmitted to the vehicle information collecting device 1 In order to enable the vehicle information collecting device 1 to perform vehicle information collection again, the vehicle information can be effectively avoided, and the collection and recognition rate can be improved.

[0064] In an embodiment of the present invention, when the vehicle defect is recognized at the approach entrance or exit exit, the vehicle information collection device is sent to the vehicle information collection device at the approach entrance or the vehicle information collection device at the exit exit, The acquisition instruction is used to indicate that the vehicle information collecting device at the entrance of the approach or the vehicle information collecting device at the exit of the vehicle collects the vehicle information of the approaching or exiting vehicle within a preset time range (for example, 2 to 5 seconds). If the vehicle information of the vehicle is not obtained, the vehicle information collecting device is restarted for collection, until the vehicle information is collected, the leakage of the vehicle information can be effectively avoided, and the collection and recognition rate is improved.

[0065] FIG. 5 is a flowchart showing an implementation of another vehicle information collecting method according to an embodiment of the present invention, which is described in detail as follows:

[0066] In an embodiment of the invention, the vehicle information includes a license plate number of the approaching vehicle and a license plate number of the exiting vehicle.

[0067] After the step S403, the method further includes: Step S501 and Step S502.

[0068] Step S501: Determine whether the license plate number of the approaching vehicle is consistent with the license plate number of the exiting vehicle.

[0069] In the embodiment of the present invention, the license plate number of the approaching vehicle collected by the vehicle information collecting device provided at the entrance of the approach and the vehicle of the exit vehicle collected by the vehicle information collecting device provided at the exit of the exit are respectively The license plate numbers are matched one by one to determine whether the number of successful matches reaches the threshold matching number. For example, when the vehicle enters the vehicle, the license plate number set collected by the vehicle information collecting device is B, and after the vehicle exits, the vehicle information collecting device collects the license plate number of an exit vehicle as Cl, C2, and Cl, C2. Matching with the license plate number in set A or set B, that is, looking up C1 from set A or set B; or finding C2 from set A or set B, and judging whether the number of successful matches reaches the threshold matching number.

[0070] Step S502, when the determination result is yes, calculating the parking fee of the vehicle corresponding to the license plate number

[0071] In the embodiment of the present invention, in combination with the above example, when the result of the judgment is that the number of times C1 matches the license plate number in the set A or the set B is successful and/or the C2 matches the license plate number in the set A or the set B. If the number of successes is at least 1 time, the parking fee of the vehicle corresponding to the successful license plate number C1/C2 is calculated.

[0072] In the embodiment of the present invention, the vehicle information collecting method further includes: when the license plate number collected by the first vehicle information collecting device 11 is inconsistent with the license plate number of the second vehicle information collecting device 12, the vehicle information is The collecting device 1 transmits an acquisition command to enable the vehicle information collecting device 1 to collect the vehicle information of the vehicle again before the vehicle passes through the limiting device 2, which can effectively improve the accuracy of the identification.

In an embodiment of the present invention, the vehicle information referred to in the above embodiment further includes a vehicle picture, the vehicle picture carrying at least a license plate number of the vehicle. When the vehicle is out, the vehicle picture collected by the exit 与 can be matched with the picture of the vehicle collected by the approach ,. When the number of successful matches is at least one time, the settlement of the parking fee can be performed.

The vehicle information collecting method provided by the embodiment of the present invention can control the number of times of collecting the vehicle information collecting system by using the comparison result between the number of the license plate number and the number of vehicles of the pre-passing device that is reported by the counting device, and effectively reduces the number of times of collecting the vehicle information collecting system. The leakage collection rate improves the recognition rate and accuracy of the vehicle information collection device; and the height and inclination angle of the vehicle information collection device can be flexibly adjusted, so that the vehicle information collection device can accurately and clearly recognize the vehicle information, which can be further Improve the recognition rate and accuracy of vehicle information collection.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, and improvements made within the spirit and scope of the present invention should be included in the present invention. Within the scope of protection of the invention.

Claims

Claim

A vehicle information collecting system, characterized in that the system comprises:

a vehicle information collecting device, configured to collect vehicle information of the vehicle before the vehicle passes through the limiting device, and report the vehicle information to the main control, where the vehicle information includes a license plate number;

a counting device, configured to count the number of vehicles pre-passing the limiting device, and report the number to the main control;

a master control, configured to send an acquisition instruction to the vehicle information collection device to determine the quantity of the license plate number recorded and the number of vehicles pre-passed by the limit device reported by the counting device The collection device again collects vehicle information of the vehicle before the vehicle passes the restriction device.

The vehicle information collecting system according to claim 1, wherein the vehicle information collecting device comprises a first information collecting device and a second information collecting device, wherein the first information collecting device is set in the second information collecting device. Above the device.

The vehicle information collecting system according to claim 1, wherein a height of said first information collecting device and said second information collecting device is set according to a height of the vehicle

[Claim 4] The vehicle information collecting system according to claim 1, wherein the acquisition angles of the first information collecting device and the second information collecting device are set according to the tilt angle of the lane.

[Claim 5] The vehicle information collecting system according to claim 1, wherein the counting device is disposed in front of the vehicle information collecting device such that the vehicle passes before the vehicle information collecting device The counting process is first performed by the counting device.

[Claim 6] A method for collecting vehicle information, the method comprising:

Obtaining, by the preset vehicle information collecting device, the vehicle information of the vehicle is collected before the vehicle passes through the limiting device, the vehicle information includes a license plate number; and the number of vehicles pre-passing the limiting device counted by the preset counting device is obtained. After determining that the obtained number of license plate number records is inconsistent with the number of vehicles reported by the counting device that are pre-passed by the limiting device, transmitting the collecting finger to the vehicle information collecting device So that the vehicle information collecting device collects the vehicle information of the vehicle again before the vehicle passes the restricting device.

[Claim 7] The vehicle information collecting method according to claim 6, wherein the number of the license plate number records obtained in the judgment is inconsistent with the number of vehicles that are reported by the counting device and pre-passed by the limiting device. And sending the acquisition instruction to the vehicle information collection device, so that the vehicle information collection device collects the vehicle information of the vehicle again before the vehicle passes the restriction device, including:

After receiving the number of vehicles pre-passed by the counting device reported by the counting device, if the vehicle information collected by the vehicle information collecting device is not acquired within the preset time range, the vehicle information is collected. The device transmits an acquisition command to cause the vehicle information collection device to re-acquire vehicle information of the vehicle before the vehicle passes the restriction device.

[Claim 8] The vehicle information collecting method according to claim 6, wherein the vehicle information includes a license plate number of the approaching vehicle and a license plate number of the exiting vehicle; And the number of vehicles that are reported by the counting device pre-passing the limiting device is inconsistent, and the collecting instruction is sent to the vehicle information collecting device, and then includes:

Determining whether the license plate number of the approaching vehicle is consistent with the license plate number of the exit vehicle; when the determination result is yes, calculating the parking fee of the vehicle corresponding to the license plate number

[Claim 9] The vehicle information collecting method according to claim 6, wherein the vehicle information collecting device includes a first vehicle information collecting device and a second vehicle information collecting device; the method further includes: After the license plate number collected by the first vehicle information collection device is inconsistent with the license plate number collected by the second vehicle information collection device, an acquisition instruction is sent to the vehicle information collection device, so that the vehicle information collection device is in the vehicle passing through The vehicle information of the vehicle is collected again before the limiting device is described.

[Claim 10] The vehicle information collecting method according to claim 6, wherein the vehicle information further includes a vehicle picture.