JP3416026B2 - Vehicle detection device for parking lot - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parking lot detection device which is provided at an entrance of a parking lot and detects a vehicle entering or leaving the parking lot.

[0002]

2. Description of the Related Art In a conventional self-managed parking lot in which entry / exit management of vehicles is automated, vehicles entering and exiting are disclosed in, for example, Japanese Unexamined Patent Publication No.
It was detected using a loop type sensor as seen in Japanese Patent No. 158894.

A loop type sensor has a loop coil embedded in an entrance passage and an exit passage of a parking lot, and when a vehicle passes over the loop coil, a detection signal is issued to cause a ticket issuing machine to issue a parking ticket, and a gate bar is opened and closed. However, it is necessary to dig a road surface to bury the loop coil and to perform complicated wiring, which causes trouble and cost. In addition, there is a problem that it is affected by the fluctuation of impedance due to the reinforcing bars embedded in the roadbed of the concrete passage, and the target of detection is limited to the vehicle, the surrounding situation, that is, pedestrians and There was another problem that the existence of various objects could not be grasped accurately.

Therefore, as disclosed in, for example, Japanese Patent Application Laid-Open No. 8-96291, there is a vehicle detection device in which a vehicle detection sensor composed of a CCD camera having a license plate reading function is attached to a gate bar provided at the entrance of a parking lot. it was thought.

[0005]

According to the above-described vehicle detection device, the troublesome work of burying or wiring the loop coil in the passage is unnecessary, and the other object including the vehicle is CCD camera. It has the advantage of being able to accurately grasp the situation of the vehicle entering and leaving the vehicle and its surroundings because it can be imaged and recognized by the CCD, but on the other hand, when the gate bar opens upward, the CCD
Since the camera also moves upward together with the field of view toward the top, it is not possible to check the situation on the passage under the gate with the CCD camera, and as a result, it is possible to see it on a passing vehicle or pedestrian. There were problems that the gate bar was lowered to cause various obstacles, and unauthorized entry and exit of vehicles and pedestrians could not be confirmed.

Therefore, a technical problem of the present invention is that even when a gate bar provided at an entrance or an exit of a parking lot opens upward, a measurable field of view of the sensor is directed downward, and a passage under the gate is provided. It is to be able to grasp the situation accurately.

[0007]

[Means for Solving the Problems] Means taken in the present invention for solving the above technical problems are as follows.

A parking lot vehicle detection device in which a vehicle detection sensor for detecting a vehicle entering or leaving a vehicle is attached to a gate bar provided at an entrance of a parking lot.

(1) A vehicle detection device for a parking lot, wherein a vehicle detection sensor for detecting a vehicle entering or leaving a vehicle is attached to a gate bar provided at an entrance of a parking lot, wherein the gate detection sensor is installed above the vehicle. when it opens to, its open
Following the movement, the mounting angle is gradually turned downward to
Configure to move the measurable field of view of the vehicle detection sensor to the roadway under the gate. (Claim 1)

(2) The mounting angle of the vehicle detection sensor mounted on the gate bar is configured to be rotatable by a motor so as to be vertically oriented, while the vehicle detection sensor is installed in the entry passage or the exit passage when the gate bar is closed. When facing the front and opening the gate bar upwards , the vehicle detection sensor
Follow the opening movement of the gate bar toward the road below the gate
The motor should be controlled so that the opening / closing signal of the gate bar is used as an electric signal so that the mounting angle becomes gradually downward. (Claim 2)

(3) When the vehicle detection sensor whose angle is adjusted downwards detects an obstacle such as a vehicle or a pedestrian on the lower passage of the gate bar that is open upward, the gate bar is not lowered. At the same time, when the vehicle detection sensor confirms that a vehicle or the like has passed, the gate bar is closed downward and the vehicle detection sensor is moved to the entrance passage or
Is waiting for the initial entry or exit when facing the front of the exit passage
It is configured so that to rotate back to the angle. (Claim 3)

(4) When the vehicle detection sensor detects two or more vehicles on the lower passage of the gate bar that is open upward, an alarm is issued. (Claim 4)

(5) Use of a CCD video camera as a vehicle detection sensor attached to the gate bar. (Claim 5)

Claims 1 and 2 described in (1) and (2) above.
According to the measures according to 2, the gate bar is opening motion upwards, rotates in a state that the vehicle detection sensor to follow the opening motion was directed <br/> down gradually, capable of measuring the status of the gate lower Therefore, the traffic conditions of vehicles and pedestrian movements that begin to pass when the gate is opened can be accurately and accurately monitored in real time.
One, it is possible to detect and grasp without omission .

According to the second aspect of the invention described in (2) above, when the gate bar is closed, the vehicle detection sensor faces the front toward the entry passage or the exit passage.
The vehicle detection sensor attached to the entrance gate exerts its field of view in the vicinity of the ticket issuing machine installed facing the entry passage so that vehicle detection can be used as a ticketing start condition. The vehicle detection sensor exerts its field of view in the vicinity of the charge settlement machine installed in the exit passage, and makes it possible to make vehicle detection a start condition (requirement condition) for charge settlement.

According to the third aspect of the invention described in (3) above, when there is an obstacle (moving object) such as a vehicle or a pedestrian on the lower passage of the gate bar, the angle is adjusted downward. Since the vehicle detection sensor detects this and does not lower the gate bar, it prevents various accidents due to lowering of the gate bar and damage to the gate bar itself, while this vehicle detection sensor moves the vehicle etc. from the lower passage When this is detected, the gate bar can be lowered, so that it is not necessary to install a vehicle passage confirmation sensor used only for closing the gate bar, and the entire apparatus can be simplified.

According to the fourth aspect of the invention described in (4) above, the vehicle detection sensor mounted on the gate bar opened upward monitors the lower side of the gate and connects two or more vehicles. By warehousing, multiple cars can be parked at the same time with one parking ticket, or by unloading two or more cars in a row, multiple cars can be settled in one payment. When an illegal shipment to be issued at the same time occurs, an alarm is issued and the staff is informed of this, so that it is possible to prevent the illegal receipt and the illegal shipment.

According to the means of claim 5 described in the above (5), the use of the CCD video camera can record the entry / exit status of the vehicle, or fraud of entry / exit, in the record. It can be used for various purposes such as fraudulent evidence.

As described above, the above (1)-
The above-mentioned technical problem is solved by the means (5),
It is possible to solve the problems of the conventional technology.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a form of a parking lot vehicle detection device according to the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram for explaining an essential part of the present invention, in which FIG. 6 is a gate bar provided at the entrance and exit of the parking lot, 3 and 8 are vehicle detection sensors such as CCD video cameras attached to the front of these gate bars 1 and 6, and 3M and 8M are driven according to electric signals. The angle adjustment motor for the entrance and exit cameras (for the sensor) that adjusts the mounting angle of each vehicle detection sensor 3 and 8 vertically is shown.

FIGS. 2 and 3 are configuration diagrams for explaining an example of use of the present invention installed at the entrance of a parking lot. 2 is an entrance gate (actuator) for opening and closing the gate bar 1 and 4 is In the parking ticket issuing machine, the entrance vehicle detection sensor 3 mounted on the front surface of the entrance gate bar 1 is, as shown in (a) of FIG. 2 and FIG. 4, when the gate bar 1 is closed,
The sensor measurement range (field-of-view range) is set toward the front so as to face the storage passage including the vicinity of the ticket issuing machine 4, and a mechanism for monitoring the range is set.

However, when the entrance gate bar 1 is opened upward, the opening movement is followed to follow (B) in FIGS. 3 and 4.
As shown in, the vehicle detection sensor 3 has its mounting angle gradually adjusted downward by the motor 3M,
The sensor measurement range is configured to extend over the passage below the gate.

When the visitor pulls out the parking ticket from the ticket issuing machine 4, the entrance gate bar 1 operates to open the entrance gate 3 upward as shown in FIG. 3 to allow the vehicle T to be stored. When the vehicle detection sensor 3 whose angle is adjusted downwards confirms the passage of the vehicle T, the entrance gate 2 is operated and the gate bar 1 is closed, but the vehicle T, the pedestrian H, and the like are located below the gate. When an obstacle is detected, the descent operation of the gate bar 1 is stopped, and when the vehicle T, the pedestrian H, and the like continue to exist for a certain time or longer, the alarm device 2
0 (see FIG. 6) is activated to encourage movement.

Furthermore, when the vehicle detection sensor 3 whose angle is adjusted downward does not confirm the passage of the vehicle T, an instruction to invalidate the above parking ticket issued by the ticket issuing machine 4 is sent to the delivery management device side, Using a parking ticket received without storing the vehicle T to prevent fraud in which a vehicle already parked is issued at a small parking fee, while one parking ticket can be used to move two or more vehicles T back and forth. The system is designed to monitor and control fraudulent fraudulent storage.

FIGS. 5 (a) and 5 (b) are configuration diagrams explaining an example of use installed at the exit of the parking lot, and 7 is an exit gate (open / close operation) for opening / closing the above-mentioned exit gate bar 6. Motivation) 5 is an automatic parking charge adjustment machine, which is an exit vehicle detection sensor 8 mounted on the front face of the exit gate bar 6.
When the gate bar 6 is closed, the sensor measurement range is set to face the front so that the sensor measurement range faces the exit passage including the vicinity of the toll adjustment machine 5, as shown in FIG. It is configured to monitor within the range.

However, when the exit gate bar 6 is opened upward, the vehicle detection sensor 8 is driven by the motor 8M so as to follow the opening movement as shown in FIG. 5B. The angle is adjusted so as to gradually face downward, and the sensor measurement range is configured to exert on the passage under the gate. Further, the above-mentioned exit gate bar 6 is used for the automatic charge settlement machine 5 for cash or a card. When the parking charge is settled by putting in etc., the exit gate 7 is operated and the gate bar 6 is opened so that the vehicle T can be delivered. However, the opening movement of the gate bar 6 is gradually followed. when the vehicle detection sensor 8 that is an angle adjusted downward to confirm the vehicle T and pedestrians H etc. on the lower side of the gate bar 6 open,
The operation of activating the alarm device 20 without closing the opened gate bar 6 to promote the movement is the same as the device provided in the entrance gate bar 1 described above.

Further, the exit gate bar 1 opened upward.
When the vehicle detection sensor 8 of FIG. 5 confirms that the two or more vehicles T and TA are in a row in front and back, as shown in (b) of FIG. It is also the same configuration as the device provided in the entrance gate bar 1 described above.

FIG. 6 is a block diagram for explaining the electrical construction of the entire parking lot management system equipped with the above-described vehicle detection system according to the present invention. The CPU 1 which constitutes the center of the control unit.
0 and the memory 11 storing the system program to the interface 13 connected via the bus 12,
The entrance and exit gates 2 and 7, the entrance and exit vehicle detection sensors 3 and 8 (CCD video cameras), the motors 3M and 8M that rotate the mounting angle of each camera, the ticket issuing machine 4 and The settlement machine 5 and the alarm device 20 are connected to each other, and each is controlled and operated according to a program stored in the memory 11 under the supervision of the CPU 10.

Next, a processing procedure at the time of entering and leaving the warehouse according to the present invention will be described based on the description of the flowcharts shown in FIGS. 7 and 8.

In the warehousing process shown in FIG. 7, in the first step S1, the gate bar 1 at the entrance is shown in FIGS.
As shown in (a) of FIG. 5, the vehicle detection sensor 3 is in a shielded state in which the storage passage is closed, and the vehicle detection sensor 3 is waiting for storage to monitor the vicinity of the ticket issuing machine 4 facing the front.
When the vehicle detection sensor 3 detects the entering vehicle T, the process proceeds to the next step S3, the ticket issuing machine 4 issues a parking ticket, and the process proceeds to step S4.

In step S4, it is determined whether or not the user has pulled out the issued parking ticket from the ticket issuing machine 4. If not, the process proceeds to step S12 to issue a ticket acquisition instruction, but if it is removed, step S5 2 to drive the entrance gate 2 and open the entrance gate bar 1 to allow the vehicle T to be stored. At this time, the vehicle detection sensor 3 controls the motor 3M using the opening / closing signal of the gate bar 1 as an electric signal. Causes the gate bar 1 to follow the opening movement of the gate bar 1 and gradually rotate its mounting angle downward to move the sensor measurement range (field of view range) to the passage under the gate as shown in (b) of FIGS. 3 and 4. To monitor.

In the next step S6, it is determined whether or not the vehicle detection sensor 3 whose angle has been adjusted downward confirms that the vehicle T has passed (stored). If yes, the process proceeds to step S7 and the vehicle T passes. After confirmation, it is determined whether or not another object such as a pedestrian H exists on the passage under the gate. If the existence is not confirmed, the process proceeds to step S8, and if it is confirmed, the process proceeds to step S10.

If the vehicle detection sensor 3 cannot confirm the passage of the vehicle T in the above step S6, after receiving the parking ticket, it is assumed that the vehicle T is turned back and the invalidation instruction of the parking ticket issued in step S9 is issued. After sending the parking ticket to the management device so that the parking ticket cannot be used, the process proceeds to step S8.

If another object such as a pedestrian H is detected below the gate in step S7, the process proceeds to step S10 and if the object continues to exist below the gate for a certain time or longer. , Go to step S11 and alarm device 2
After instructing to move by operating 0, the process proceeds to step S7 and the process is repeated, but the vehicle detection sensor 3 whose angle is adjusted downward confirms that two or more vehicles T ... In that case, an alarm is issued in the same manner to notify the staff.

In step S8, the entrance gate bar 1 opened
Is closed to close the warehousing passage, the vehicle detection sensor 3 facing the front is returned to the initial waiting state for warehousing where the front of the warehousing passage including the vicinity of the ticket issuing machine 4 is monitored, and the process is completed.

Next, the procedure of the shipping process will be described with reference to the flow chart shown in FIG.
When the exit vehicle detection sensor 8 attached to the exit gate bar 6 that is closed in step S6 detects the exiting vehicle T as shown in FIG. 5A, the process proceeds to the next step S21 and the information is displayed on the settlement machine 5 or the like. Alternatively, if voice payment guidance is provided and it is determined in the next step S22 that the payment is completed, the process proceeds to step S23, the gate 7 is opened at the exit gate 7, and the process proceeds to the next step S24.

At step S24, the exit vehicle detection sensor 8 whose angle is adjusted downward to the opened exit gate bar 6 monitors the lower side of the gate, and two or more vehicles are detected as shown in FIG. 5B. If it is confirmed that T and TA are in a row in front of and behind, or if an object such as a vehicle T or a pedestrian H exists on the lower passage for a certain time or more, step S27.
When the alarm device 20 is activated in step S2, but if such injustice cannot be confirmed, the process proceeds directly to step S25, it is determined whether the vehicle T has completed the leaving, and if the leaving is confirmed, the step is performed. Proceeding to S26, the exit gate bar 6 is closed in the initial state and the process is completed.

[0038]

As described above, according to the parking lot vehicle detection device of the present invention, even if the gate bar is opened upward, the vehicle detection sensor is gradually angled downward in accordance with the opening movement of the gate bar. Since the lower side of the gate is monitored, it is possible to reliably understand the fraud and danger of loading and unloading that occur when the gate is opened,
It is possible to exert the advantage of safely managing the parking lot.

[Brief description of drawings]

FIG. 1 is a front perspective view illustrating a configuration of a main part of a parking lot vehicle detection device according to the present invention.

FIG. 2 is a perspective view illustrating a configuration of an entrance for carrying out the present invention.

FIG. 3 is a perspective view showing a state where the gate bar shown in FIG. 2 is open.

FIG. 4A is a plan view illustrating a configuration of a storage opening portion of the present invention, and FIG. 4B is a plan view illustrating a state in which the gate bar is also open.

FIG. 5 (a) is a plan view illustrating the configuration of the exit port portion of the present invention, and FIG. 5 (b) is a plan view illustrating an illegal state in which the gate bar is opened and two vehicles are in a row. Is.

FIG. 6 is a block diagram illustrating an electrical configuration of the present invention.

FIG. 7 is a flowchart illustrating a procedure of a warehousing process according to the present invention.

FIG. 8 is a flowchart illustrating a procedure of a shipping process according to the present invention.

[Explanation of symbols]

1,6 Gate bar 2,7 Gate (actuator) 3,8 Vehicle detection sensor (CCD video camera) 3M, 8M Motor 4 Ticket issuing machine 5 Charge adjustment machine T Vehicle

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Mitsuru Saito 275 Soybean-cho, Kohoku-ku, Yokohama-shi, Kanagawa Amano Co., Ltd. (72) Hideji Sugiuchi 275 Soybean-cho, Kohoku-ku, Yokohama-shi, Kanagawa Amano Co., Ltd. ( 56) References JP-A-8-96291 (JP, A) JP-A-54-163630 (JP, A) Actual development 59-134863 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G08G 1/00-1/14 E04H 6/00-6/42

Claims (5)

(57) [Claims] 1. A gate bar provided at the entrance of a parking lot,
A warehousing or parking vehicle detection device fitted with a vehicle detection sensor for detecting a vehicle unloading, the above vehicle detection sensor, when the gate bar was opened upward
To, and rotates the mounting angle so as to follow its opening motion gradually downward, parking, characterized by being configured to transfer the measurable field of view of the vehicle detection sensor in the vehicle path under the gate side Vehicle detection device. 2. A mounting angle of a vehicle detection sensor mounted on a gate bar is configured to be rotatable by a motor so as to be vertically oriented, and when the gate bar is closed, the vehicle detection sensor is directed to a storage passage or a storage passage. When the gate bar opens upward , the vehicle detection sensor
Following the opening of the bar, take the track toward the road below the gate.
2. The vehicle detection apparatus for a parking lot according to claim 1, wherein the motor for controlling the parking lot is configured to control the motor by using an opening / closing signal of the gate bar as an electric signal so that the angle of attachment gradually becomes downward. 3. The gate bar is configured not to be lowered when a vehicle detection sensor whose angle is adjusted downwardly detects an obstacle such as a vehicle or a pedestrian on the lower passage of the gate bar which is opened upward. At the same time, when the above-mentioned vehicle detection sensor confirms that a vehicle or the like has passed, the above-mentioned gate detection bar is closed downward , and the above-mentioned vehicle detection sensor is set in the storage passage or exit.
The corner of the initial waiting for entry or exit facing the front of the storage passage
Parking a vehicle detection device according to claim 1 or 2, wherein the constructed to so that to rotate back to the time. 4. An alarm is issued when a vehicle detection sensor simultaneously detects two or more vehicles on a lower passage of an upwardly opening gate bar. 2. The vehicle detection device for a parking lot described in 2. 5. The parking lot vehicle detection device according to claim 1, wherein a CCD video camera is used as a vehicle detection sensor attached to the gate bar.