JP2007026223A - Parking lot management system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a parking lot management system of a simple structure in which parking situations in the parking lot can be displayed to inform a parking lot user of it, a cable does not need to be laid inside the parking lot, and feeble radio waves can be used. <P>SOLUTION: The parking lot management system 1 comprises: a first detector 5 which is arranged in a specified parking space 3 sectioned inside the parking lot 2, detects presence/absence of a vehicle 4 inside the parking space 3, and transmits detection information; a second detector 6 which is arranged within the parking space 3 where the first detector 5 is not arranged, detects the presence/absence of the vehicle 4 inside the arranged space 3, and transmits the detection information; a control unit 8 for converting the received information into display information; and a display 7 for displaying the presence/absence of the vehicle 4 in each parking space 3 inside the parking lot 2 on the basis of the display information transmitted by the control unit 8. The parking lot management system 1 successively performs relay propagation of the detection information generated by the first detector 5 and the second detector 6 via radio communication. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention can display the parking situation in the parking lot to notify the parking user, and does not need to lay a cable in the parking lot and can use a weak radio wave. It relates to a parking lot management system.

  As a conventional parking lot management system of this type, for example, vehicle sensors electrically connected by cables are arranged in each parking space, and the presence or absence of empty space and the location are monitored in a management room based on information from this sensor. The method is known.

  In this case, in order to lay the cable in the existing parking lot, the use of the parking lot is temporarily suspended and a large-scale construction is required, and if the cable is buried, the layout of the parking lot cannot be easily changed. There is.

  In order to solve such a problem, for example, Patent Document 1 discloses a vehicle detection unit that detects the presence or absence of a vehicle in each parking space in a parking lot and transmits this detection signal wirelessly, and a vehicle detection unit. A parking lot management device including parking space display means for displaying an empty parking space in a parking lot to a user based on a detection signal is described.

According to this parking lot management apparatus, the installation of the existing parking lot can be performed without interruption, and the parking lot user can be smoothly guided to an empty parking space.
JP-A-6-223299

  As mentioned above, when laying cables in an existing parking lot, the use of the parking lot is temporarily stopped and large-scale construction is required, and if the cable is buried, the layout of the parking lot cannot be easily changed. There's a problem.

  Moreover, in patent document 1, since the detection signal of a vehicle detection means is transmitted wirelessly as mentioned above, it can be installed without interrupting the use of an existing parking lot, It can be smoothly guided to an empty parking space.

  However, in Patent Document 1, since the vehicle detection means is configured to transmit a radio signal toward the receiving unit, there is a problem of radio wave interference, or transmission of each vehicle detection means to avoid interference. In order to make the frequency different, there is a problem that a relatively wide frequency band is required, and further, in a relatively wide parking lot, a weak radio wave having little influence on others cannot be used.

  In view of the above situation, the present invention can display the parking situation in the parking lot and notify the parking user, and does not need to lay a cable in the parking lot and has relatively little influence on others. An object of the present invention is to provide a parking management system with a simple configuration that can use weak radio waves.

In order to solve the above problems, the present invention provides the following configurations.
The invention according to claim 1 is arranged in a predetermined parking space of each partitioned parking space in the parking lot, detects the presence or absence of a vehicle in the arranged parking space, and identifies the parking space in this detection signal. One or more first detection devices that add detection information to generate detection information and wirelessly transmit the detection information;
The first detection device is arranged in a parking space where the first detection device is not arranged, detects the presence or absence of a vehicle in the arranged parking space, and adds detection information of the parking space to the detection signal to generate detection information, and One or more second detection devices that receive signals transmitted from one or more specific detection devices, and wirelessly transmit the detection information and the received signals;
A control device that receives a signal transmitted from the specific second detection device, converts the received signal into display information, and transmits the display information to the display device;
Receiving display information transmitted from the control device, and based on the display information, each parking space in the parking lot, and a display device that displays the presence or absence of a vehicle in each parking space,
Detection information generated by the first detection device and the second detection device is sequentially relayed by wireless communication by the first detection device and the second detection device, and the display is performed via the control device. The present invention provides a parking lot management system configured to be displayed by an apparatus.

  According to a second aspect of the present invention, in the parking lot management system according to the first aspect, the first detection device and the second detection device include radio wave transmission means for transmitting radio waves of 400 MHz to 500 MHz. It is to provide.

  The invention according to claim 3 provides the parking lot management system according to claim 1 or 2, wherein the first detection device and the second detection device include a solar power generation device. is there.

  The invention according to claim 4 is characterized in that each of the first detection device and the second detection device includes an infrared sensor, a metal sensor, or an optical brightness sensor. The parking lot management system described in 3 is provided.

According to the invention described in claim 1 of the present invention, it is arranged in a predetermined parking space of each divided parking space in the parking lot, and the presence or absence of a vehicle in the arranged parking space is detected, and this detection signal is One or more first detection devices that generate identification information by adding identification information of the parking space, and wirelessly transmit the detection information;
The first detection device is arranged in a parking space where the first detection device is not arranged, detects the presence or absence of a vehicle in the arranged parking space, and adds detection information of the parking space to the detection signal to generate detection information, and One or more second detection devices that receive signals transmitted from one or more specific detection devices, and wirelessly transmit the detection information and the received signals;
A control device that receives a signal transmitted from the specific second detection device, converts the received signal into display information, and transmits the display information to the display device;
Receiving display information transmitted from the control device, and based on the display information, each parking space in the parking lot, and a display device that displays the presence or absence of a vehicle in each parking space,
Detection information generated by the first detection device and the second detection device is sequentially relayed by wireless communication by the first detection device and the second detection device, and the display is performed via the control device. Since the parking management system configured to be displayed by the device is provided, the parking situation in the parking lot can be displayed and notified to the parking user, and there is no need to lay a cable in the parking lot, and It is possible to provide a parking management system with a simple configuration that can use weak radio waves.

  According to the invention described in claim 2, since the first detection device and the second detection device include radio wave transmission means for transmitting radio waves of 400 MHz to 500 MHz, in addition to the effect of the invention of claim 1, Using weak radio waves can prevent other devices and the like from being adversely affected.

  According to invention of Claim 3, since the said 1st detection apparatus and the 2nd detection apparatus comprise a solar power generation device, in addition to the effect of the invention of Claim 1 or 2, installation of a power cord And replacement of batteries and the like becomes unnecessary.

  According to a fourth aspect of the present invention, the first detection device and the second detection device each include an infrared sensor, a metal sensor, or an optical brightness sensor. In addition to the effects of the described invention, the vehicle can be reliably detected by the sensor.

Hereinafter, embodiments of the present invention will be described with reference to the drawings showing examples.
In FIG. 1, 1 is a parking lot management system according to the first embodiment of the present invention. The parking lot management system 1 performs predetermined parking in each of the partitioned parking spaces 3, 3. It is arranged in the space 3 and detects the presence or absence of the vehicle 4 in the arranged parking space 3, adds the identification information of the parking space to this detection signal to generate detection information, and wirelessly transmits this detection information 1 Or a plurality of (1 in the drawing) first detection devices 5 (shown as 5 (1) in the drawing) and parking spaces 3, 3... Where the first detection devices 5 are not arranged. The presence or absence of the vehicle 4 in the parking space 3 is detected, and the detection information is generated by adding the identification information of the parking space 3 to the detection signal, and transmitted from one or more specific detection devices 5 or 6 Received signal, detection information and reception (The In FIG plurality) of signals one or a plurality wirelessly transmits and a second sensing device 6,6 ... (figure 6 (2), is shown as 6 (3) ...).

  Further, the parking lot management system 1 receives a signal transmitted from the specific second detection device 6, converts the received signal into display information and transmits it to the display device 7, and a control device Display which receives the display information transmitted from 8, and displays the presence or absence of each parking space 3, 3 ... in the parking lot 2 and the vehicles 4, 4 ... in each parking space 3, 3 ... based on the display information Device 7.

  In addition, the display apparatus 7 is installed in the position where a parking lot user can see well, for example, the entrance / exit of the parking lot 2, etc. Further, as the display means of the display device 7, a liquid crystal display, a plasma display, and the like are conceivable. However, since these are relatively expensive, for example, a display plate that performs display by moving a plurality of plates mechanically, etc. The display means may be used.

  The parking lot management system 1 detects the detection information generated by the first detection devices 5, 5... And the second detection devices 6, 6. .. And the second detection devices 6, 6... Are sequentially relayed and transmitted by the display device 7 via the control device 8.

  The first detection device 5 and the second detection device 6 include a wireless transmission device (not shown) which is a radio wave transmission means for transmitting a weak radio wave in the vicinity of 400 MHz to 500 MHz, preferably 450 MHz. The 2 detector 6 is further provided with a wireless receiver (not shown). Note that the same device as the second detection device 6 can be used as the first detection device 5.

  The first detection device 5 and the second detection device 6 are provided with timers (not shown) for performing detection operations at regular intervals. The second detection device 6 may be configured not to provide a timer but to perform a detection operation in synchronization with reception of a signal from another.

  Furthermore, as shown in FIG. 2A, the first detection device 5 and the second detection device 6 are installed on the ground GL of the parking space 3 so that at least the upper part is exposed. As shown in FIG. 2, a solar power generation device 9 and an infrared sensor 10 are provided on the upper portion. In place of the infrared sensor 10, a metal sensor or an optical light / dark sensor may be provided. In such a case, substantially the same effect can be expected.

  Accordingly, the first detection device 5 and the second detection device 6 detect the presence or absence of the vehicle 4 with the infrared sensor 10 using the solar power generation device 9 provided as a power source.

  Thus, the parking lot management system 1 of the parking lot 2 shown in FIG. 1 will be described more specifically. In the parking lot 2, the first detection device 5 (1) is disposed in the first parking space 3. The second detection devices 6 (2) to 6 (8) are respectively disposed in the parking spaces 2 to 8, and the control device 8 is disposed by wireless connection to the second detection device 6 (8). The display device 7 is arranged connected to the device 8.

  The first detection device 5 (1) detects the presence or absence of the vehicle 4 in the first parking space 3 in which the first detection device 5 (1) is arranged at regular intervals. 10), the detection information is generated by adding the identification information of the first parking space 3 to the detection signal, and the detection information is wirelessly transmitted.

  The second detection device 6 (2) detects the presence / absence of the vehicle 4 in the second parking space 3 in which the second detection device 6 (2) is arranged at regular time intervals. The identification information of the numbered parking space 3 is added to generate detection information, and this detection signal is temporarily stored in a storage device (not shown), while the signal transmitted from the first detection device 5 (1) , And wirelessly transmits the detection information and the received signal together.

  The second detection device 6 (3) detects the presence / absence of the vehicle 4 in the third parking space 3 where the second detection device 6 (3) is arranged at regular time intervals. The detection information is generated by adding the identification information of the parking space 3 and the detection signal is temporarily stored in a storage device (not shown), while the signal transmitted from the second detection device 6 (2). , And wirelessly transmits the detection information and the received signal together.

  Thereafter, the same operation is performed in the second detection device 6 (4) to the second detection device 6 (8).

  That is, the parking lot management system 1 detects the detection information generated by the first detection device 5 (1) and the second detection devices 6 (2) to 6 (8) as indicated by broken arrows in the figure. Then, relay transmission is sequentially performed from the first detection device 5 (1) to the second detection device 6 (8) via the second detection device 6 (2), and the signal transmitted from the second detection device 6 (8) is transmitted. The control device 8 receives and converts it into display information, and transmits a display signal to the display device 7.

  The display device 7 receives the display information transmitted from the control device 8, and based on the display information, for example, as shown in FIG. 3, each parking space in the parking lot 2 and the vehicle in each parking space are displayed. Display presence / absence.

  Although transmission from the control device 8 to the display device 7 is performed by wire, wireless transmission is also possible, and in that case, substantially the same effect can be expected.

  Thus, the parking lot management system 1 of the present invention informs the parking lot user of the parking situation of the parking lot 2 by displaying the display device 7 and smoothly guides the vehicle 4 to the empty parking space 3. Can do.

  Further, the parking lot management system 1 does not need to lay a transmission / reception cable or the like in the parking lot 2 and can have a simple configuration capable of using weak radio waves. Therefore, by using weak radio waves, it is possible to prevent adverse effects of the radio waves on other devices and to construct the parking lot management system 1 at low cost.

  Furthermore, since the first detection device 5 and the second detection device 6 of the parking lot management system 1 transmit radio waves of 400 MHz to 500 MHz, the use of radio waves is facilitated by using weak radio waves. , It is possible to prevent adverse effects on other devices caused by radio waves, particularly adverse effects on other devices.

  Furthermore, since the first detection device 5 and the second detection device 6 include the solar power generation device 9, it is not necessary to install a power cord or replace a battery or the like. Can be used.

  And since the said 1st detection apparatus 5 and the 2nd detection apparatus 6 comprise the infrared sensor 10, the vehicle 4 can be reliably detected with the infrared sensor 10. FIG.

  FIG. 4 shows a parking lot management system 22 according to a second embodiment of the present invention that is applied to a parking lot 21 larger than the parking lot (2 in FIG. 1). The first detection device 23 (1) is disposed in the parking space 3, the first detection device 23 (11) is disposed in the 11th parking space 3, and the first detection device 23 is disposed in the 21st parking space 3. (21) is disposed, and the second detection devices 24 (2) to 24 (10) are disposed in the second to tenth parking spaces 3, 3. The second detection devices 24 (12) to 24 (18) are arranged in the ..., and the second detection devices 24 (22) to 24 (28) are arranged in the parking spaces 3, 3 ... of the 22nd to 28th. The second detection devices 24 (31) to 24 in the parking spaces 3, 3. 38) is disposed.

  The first detection devices 23 (1), 23 (11) and 23 (21) have the same function as the first detection device (5 in FIG. 1), operate in the same manner, and the second detection device. The devices 24 (2) to 24 (10), 24 (12) to 24 (18), 24 (22) to 24 (28), 24 (31) to 24 (38) are the second detection devices (see FIG. 1). It has the same function as 6) and operates in the same way.

  However, the second detection device 24 (18) receives a signal transmitted from the second detection device 24 (17) and also receives a signal transmitted from the second detection device 24 (10).

  Similarly, the second detection device 24 (28) receives a signal transmitted from the second detection device 24 (27) and also receives a signal transmitted from the second detection device 24 (18).

  Accordingly, the information generated between the first detection device 23 (1) to the second detection device 24 (10), as indicated by the broken arrow in the figure, is the first detection device 23 (1) to the second detection device 24. (10) are sequentially relayed by wireless transmission / reception and received from the second detection device 24 (10) to the second detection device 24 (18), while the first detection devices 23 (11) to second The information generated between the detection devices 24 (17) is sequentially relayed between the first detection devices 23 (11) to the second detection devices 24 (17) by wireless transmission and reception, and is transmitted to the second detection devices 24 (17). ) Received by the second detection device 24 (18) and generated between the first detection device 23 (21) to the second detection device 24 (27), the first detection device 23 (21) to Wireless communication between the second detectors 24 (27) The relay is transmitted and received from the second detection device 24 (27) to the second detection device 24 (28), and the second detection device 24 (18), the second detection device 24 (28), and the second detection device 24 are received. The information generated between (38) to the second detection device 24 (31) and the information received by them are the second detection device 24 (18), the second detection device 24 (28), and the second detection. Relays are sequentially transmitted by radio transmission / reception between the devices 24 (38) to 24 (31) and received from the second detection device 24 (31) to the control device 8.

  Then, the display device 7 is displayed based on a signal sent from the control device 8.

  Thus, even in the relatively large parking lot management system 22, as in the parking lot management system 1, the parking situation of the parking lot 21 is displayed and notified to the parking lot user, and the empty parking space 3 The vehicle 4 can be moved smoothly. The relay transmission method described above is merely an example, and various relay transmission methods can be considered. The relay transmission method can be changed according to the parking lot situation.

It is explanatory drawing of the parking lot management system by this invention. (A) It is explanatory drawing which shows the installation state of the 1st detection apparatus of the parking lot management system of this invention, or a 2nd detection apparatus. (B) It is expansion explanatory drawing which shows the installation state of the 1st detection apparatus of the parking lot management system of this invention, or a 2nd detection apparatus. It is explanatory drawing of the example of a display of the display apparatus of the parking lot management system by this invention. It is explanatory drawing when the parking lot management system by this invention is applied to a comparatively big parking lot.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,22 Parking lot management system 2,21 Parking lot 3 Parking space 4 Vehicle 5,23 1st detection apparatus 6,24 2nd detection apparatus 7 Display apparatus 8 Control apparatus 9 Solar power generation apparatus 10 Infrared sensor

Claims (4)

It is arranged in a predetermined parking space of each partitioned parking space in the parking lot, and detects the presence or absence of a vehicle in the arranged parking space, and adds detection information of the parking space to this detection signal. One or more first detection devices that generate and wirelessly transmit the detection information;
The first detection device is arranged in a parking space where the first detection device is not arranged, detects the presence or absence of a vehicle in the arranged parking space, and adds detection information of the parking space to the detection signal to generate detection information, and One or more second detection devices that receive signals transmitted from one or more specific detection devices, and wirelessly transmit the detection information and the received signals;
A control device that receives a signal transmitted from the specific second detection device, converts the received signal into display information, and transmits the display information to the display device;
Receiving display information transmitted from the control device, and based on the display information, each parking space in the parking lot, and a display device that displays the presence or absence of a vehicle in each parking space,
Detection information generated by the first detection device and the second detection device is sequentially relayed by wireless communication by the first detection device and the second detection device, and the display is performed via the control device. It is comprised so that it may display with an apparatus, The parking lot management system characterized by the above-mentioned.   2. The parking lot management system according to claim 1, wherein the first detection device and the second detection device include radio wave transmission means for transmitting radio waves of 400 MHz to 500 MHz.   The parking lot management system according to claim 1 or 2, wherein the first detection device and the second detection device include a solar power generation device.   4. The parking lot management system according to claim 1, wherein each of the first detection device and the second detection device includes an infrared sensor, a metal sensor, or an optical brightness sensor.

Images