CN104658308A - Carport monitoring device array, car-mounted device, car management method and system - Google Patents
Carport monitoring device array, car-mounted device, car management method and system Download PDFInfo
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- CN104658308A CN104658308A CN201310577011.1A CN201310577011A CN104658308A CN 104658308 A CN104658308 A CN 104658308A CN 201310577011 A CN201310577011 A CN 201310577011A CN 104658308 A CN104658308 A CN 104658308A
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- parking position
- monitoring device
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/142—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces external to the vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/147—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas where the parking area is within an open public zone, e.g. city centre
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Abstract
The invention discloses a carport monitoring device array, a car-mounted device, a car management method and a system. According to the car management method, each carport monitoring device in the carport monitoring device array receives control information sent by a backstage management center, and each carport monitoring device in the carport monitoring device array externally sends radio frequency signals in a time dividing mode according to the received control information. The carport monitoring device array comprises at least two carport monitoring devices arranged in correspondence to the carports. Each carport monitoring device comprises a first communication module for receiving control information sent by the backstage management center, and a second communication module for externally sending radio frequency signals in a time dividing mode according to the received control information of the first communication module. Through the above technical scheme, the problem that the same car-mounted device usually receives multiple same-frequency radio frequency signals at the same time in the prior art, and thus, subsequent car management based on the radio frequency signals is not accurate can be solved.
Description
Technical field
The present invention relates to electronic device field, particularly relate to a kind of parking position monitoring apparatus array, car-mounted device, vehicles management method and system.
Background technology
Along with the development of society, the motor vehicles in city get more and more.Parking lot be endowed turnover in order, deposit safety, manage the responsibilities such as paid.So, intelligent parking detection system, because it can all-weather intelligent, real-time monitoring and management parking stall, roadside situation, and unifiedly automatically carry out toll administration, will play a great role for Internet of Things epoch construction smart city.The key issue that intelligent parking detects, is how to ensure high density dead ship condition, particularly vehicle side by side under parked state, the parking space information that accurate positioned vehicle is parked, and vehicle is associated accurately with parking stall, to realize parking stall monitoring, the various application such as charge and management.In existing intelligent parking detection system, the time that adjacent parking position monitoring device sends radiofrequency signal lacks management, same car-mounted device often receives multiple with radiofrequency signal frequently at one time, causes the follow-up vehicle management carried out based on this radiofrequency signal accurate not.
Summary of the invention
The invention provides a kind of parking position monitoring apparatus array, car-mounted device, vehicles management method and system, solving same car-mounted device in prior art often receives multiple with radiofrequency signal frequently at one time, causes the accurate not problem of the follow-up vehicle management carried out based on this radiofrequency signal.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of vehicles management method, this vehicles management method comprises the following steps: in parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device; In parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received.
Further, after in parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received, also comprise: car-mounted device received RF signal; Car-mounted device obtains the phase information of magnetic signal and the phase information of electric signal in this radiofrequency signal; Or obtain the phase differential of magnetic signal and electric signal in this radiofrequency signal; Or the distance between the parking position monitoring device obtaining it according to this phase differential and send this radiofrequency signal.
Further, this vehicles management method also comprises: whether car-mounted device enters position, parking stall, vehicle place according to this phase differential or Distance Judgment vehicle, and/or the need of with send the parking position monitoring device of this radiofrequency signal, back-stage management center carries out subsequent communications;
Or the phase information of magnetic signal in this radiofrequency signal and the phase information of electric signal or phase differential or distance are fed back to the parking position monitoring device sending this radiofrequency signal by car-mounted device; According to it, parking position monitoring device judges whether vehicle enters position, parking stall, vehicle place, and/or carry out subsequent communications the need of with this car-mounted device, back-stage management center.
Further, the subsequent communications that car-mounted device, parking position monitoring device and back-stage management center are carried out comprises: parking stall, vehicle place and information of vehicles are sent to back-stage management center by car-mounted device or parking position monitoring device.
Further, control information comprise time synchronization information, each parking position monitoring device order of transmission and send interval time sheet.
A kind of parking position monitoring apparatus array, comprises at least two parking position monitoring devices of arranging corresponding to parking stall; Parking position monitoring device comprises: first communication module, for receiving the control information that back-stage management center sends; This control information outwards sends radiofrequency signal for controlling different parking position monitoring device timesharing in this parking position monitoring apparatus array; And second communication module, outwards send radiofrequency signal for the control information timesharing received according to first communication module.
Further, second communication module also for receive car-mounted device feedback this radiofrequency signal in the phase differential of magnetic signal and electric signal or the distance between the described car-mounted device obtained according to this phase differential and the parking position monitoring device sending this radiofrequency signal in the phase information of magnetic signal and the phase information of electric signal or this radiofrequency signal; Or parking position monitoring device also comprises: frequency of operation is different from the third communication module of second communication module, for receive car-mounted device feedback this radiofrequency signal in the phase information of magnetic signal and the phase information of electric signal or phase differential or distance;
And parking position monitoring device also comprises: the first judge module, for the phase information of magnetic signal in this radiofrequency signal of receiving according to second communication module or third communication module and the phase information of electric signal or phase differential or distance, judge whether vehicle enters position, parking stall, vehicle place, and/or carry out subsequent communications the need of with this car-mounted device, back-stage management center.
Further, first communication module is also for sending to back-stage management center by parking stall, vehicle place and information of vehicles.
A kind of car-mounted device, comprising: the 4th communication module, for received RF signal; And acquisition module, for obtaining the phase information of magnetic signal and the phase information of electric signal in this radiofrequency signal; Or obtain the phase differential of magnetic signal and electric signal in this radiofrequency signal; Or the distance between the parking position monitoring device obtaining it according to this phase differential and send this radiofrequency signal.
Further, the 4th communication module also feeds back to for the phase information of magnetic signal in this radiofrequency signal of being obtained by acquisition module and the phase information of electric signal or phase differential or distance the parking position monitoring device sending this radiofrequency signal; Or car-mounted device also comprises the 5th communication module that frequency of operation is different from the 4th communication module, feed back to for the phase information of magnetic signal in this radiofrequency signal of being obtained by acquisition module and the phase information of electric signal or phase differential or distance the parking position monitoring device sending this radiofrequency signal;
Or, car-mounted device also comprises the second judge module, whether enter position, parking stall, vehicle place for this phase differential of obtaining according to acquisition module or Distance Judgment vehicle, and/or the need of with send the parking position monitoring device of this radiofrequency signal, back-stage management center carries out subsequent communications.
Further, car-mounted device also comprises the 6th communication module, for parking stall, vehicle place and information of vehicles are sent to back-stage management center.
A kind of vehicle management system, comprises the parking position monitoring apparatus array described in above-mentioned any one, and back-stage management center; Back-stage management center is used for sending control information to each parking position monitoring device in this parking position monitoring apparatus array; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device; In parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends, and outwards sends radiofrequency signal according to the control information timesharing received.
Further, this vehicle management system is bag trunk module also, for receiving the control information that back-stage management center sends, and to each this control information of parking position monitoring devices broadcasting in parking position monitoring apparatus array.
Parking position monitoring apparatus array provided by the invention, car-mounted device, vehicles management method and system, in parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends, this control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device, and in parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received.Effectively prevent same car-mounted device in prior art to receive multiple situation with radiofrequency signal frequently at one time and occur, improve the degree of accuracy of the follow-up vehicle management carried out based on this radiofrequency signal.
Accompanying drawing explanation
The process flow diagram of the vehicles management method that Fig. 1 provides for one embodiment of the invention;
The schematic diagram of the parking position monitoring apparatus array that Fig. 2 provides for one embodiment of the invention;
The schematic diagram of the parking position monitoring apparatus array that Fig. 3 provides for another embodiment of the present invention;
The process flow diagram of the vehicles management method that Fig. 4 provides for another embodiment of the present invention;
The process flow diagram of the vehicles management method that Fig. 5 provides for another embodiment of the present invention;
The schematic diagram of the vehicle management system that Fig. 6 provides for one embodiment of the invention;
The schematic diagram of the vehicle management system that Fig. 7 provides for another embodiment of the present invention;
The schematic diagram of the parking position monitoring device that Fig. 8 provides for one embodiment of the invention;
The schematic diagram of the car-mounted device that Fig. 9 provides for one embodiment of the invention.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
The process flow diagram of the vehicles management method that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1,
In S101, parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device.
In parking position monitoring apparatus array, the corresponding relation of each parking position monitoring device and parking stall has multiple, shown in following cited Fig. 2 and Fig. 3:
The schematic diagram of the parking position monitoring apparatus array that Fig. 2 provides for one embodiment of the invention, as shown in Figure 2, parking position monitoring apparatus array comprises 3 parking position monitoring devices (A1, A2, A3), and each parking position monitoring device (A1, A2, A3) and parking stall (B1, B2, B3) one_to_one corresponding are arranged, and are arranged on the center of each parking stall.
The schematic diagram of the parking position monitoring apparatus array that Fig. 3 provides for another embodiment of the present invention, as shown in Figure 3, parking position monitoring apparatus array comprises 3 parking position monitoring devices (A1, A2, A3), and each parking position monitoring device (A1, A2, A3) and parking stall (B1, B2, B3) one_to_one corresponding are arranged, and are arranged on the center of each parking stall.
In parking position monitoring apparatus array, arranging of each parking position monitoring device compares comparatively dense, as shown in above-mentioned Fig. 2 and Fig. 3, same car-mounted device puts the same frequency radiofrequency signal extremely easily receiving and send from different parking position monitoring device at one time, cause the follow-up vehicle management carried out based on this radiofrequency signal accurate not, in order to avoid such problem, the present invention proposes to control the timesharing of different parking position monitoring device and outwards sends radiofrequency signal.
In certain embodiments, after each parking position monitoring device powers on, back-stage management center is to each parking position monitoring devices broadcasting control information in parking position monitoring apparatus array.Preferably, control information comprise time synchronization information, each parking position monitoring device order of transmission and send interval time sheet.Order of transmission, transmission sheet interval time of time synchronization information, each parking position monitoring device can be issued to parking position monitoring device simultaneously, or first issuing the order of transmission of each parking position monitoring device and send sheet interval time, issuing time synchronization information again when closing on the transmitting time point of radiofrequency signal.Time synchronization information is used for the current time of each parking position monitoring device in the supervising device array of synchronous parking stall.The order of transmission of each parking position monitoring device can embody with the number sorting of each parking position monitoring device, such as, send successively according to the numbering order from small to large of each parking position monitoring device.Transmission sheet interval time is the time interval that adjacent two parking position monitoring devices send above-mentioned radiofrequency signal, and preferably, transmission sheet interval time is greater than parking position monitoring device and car-mounted device carries out a mutual required time.Preferably 2ms.Control information is mainly used in controlling each parking position monitoring device timesharing in parking position monitoring apparatus array and outwards sends radiofrequency signal, avoids different parking position monitoring device in parking position monitoring apparatus array outwards to send radiofrequency signal simultaneously.
In S102, parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received.This radiofrequency signal is mainly used in calculating the distance between the parking position monitoring device as transmit leg and the car-mounted device as take over party.After parking position monitoring device has launched radiofrequency signal, enter current transmission sheet interval time time-out judge, if send out timeslice time-out, then wait for and enter next round timesharing distribute.
The time of the outside emitting radio frequency signal of so different parking position monitoring devices is staggered, avoid same car-mounted device in prior art to receive multiple situation with radiofrequency signal frequently at one time and occur, improve the degree of accuracy of the follow-up vehicle management carried out based on this radiofrequency signal.
In certain embodiments, after step S102, also comprise the flow process of carrying out vehicle management based on this radiofrequency signal.Vehicle management is including, but not limited to judging whether vehicle enters the subsequent communications etc. at position, parking stall, vehicle place, the subsequent communications of car-mounted device and parking position monitoring device, the subsequent communications at car-mounted device and back-stage management center, parking position monitoring device and back-stage management center.
The process flow diagram of the vehicles management method that Fig. 4 provides for another embodiment of the present invention, as shown in Figure 4, comprises following flow process:
In S401, parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device.
In S402, parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received.After each parking position monitoring device outwards sends radiofrequency signal, enter current distribution timeslice time-out judge, if timeslice is overtime, then wait for and enter next round timesharing distribution.
S403, car-mounted device received RF signal.Car-mounted device can receive magnetic signal in this radiofrequency signal and electric signal by different antennae, such as, receive the magnetic signal in this radiofrequency signal by magnetic field antenna, receive the electric signal in this radiofrequency signal simultaneously by electric field antenna; Or car-mounted device is by same antenna received RF signal, then the magnetic signal isolated in this radiofrequency signal and electric signal.
In certain embodiments, in radiofrequency signal, radiofrequency signal, the scope of the receiving antenna coupled signal of magnetic signal, electric signal is at 500KHz – 50MHz, such as 1MHz frequency range, 13MHz frequency range, 15MHz frequency range, 20MHz frequency range, 30MHz frequency range, 50MHz frequency range.The actual size on and parking stall theoretical according near field electromagnetic positioning, preferably employing 10MHz frequency range-30MHz frequency range, electric field antenna, magnetic field electric wire can be ring-types, ring rod shape, whiplike.
S404, car-mounted device obtain the phase information of magnetic signal and the phase information of electric signal in this radiofrequency signal.
In certain embodiments, car-mounted device to obtain in this radiofrequency signal after the phase information of magnetic signal and the phase information of electric signal, also obtains the phase differential ΔΦ of magnetic signal and electric signal in this radiofrequency signal; Or also obtain it according to this phase differential ΔΦ and send the distance d between the parking position monitoring device of this radiofrequency signal.
Calculate the phase differential of magnetic signal and electric signal in same radiofrequency signal, and the account form of distance between the parking position monitoring device obtaining it according to this phase differential and send this radiofrequency signal can be theoretical with reference near field electromagnetic positioning of the prior art.
The phase information of this magnetic signal and the phase information of electric signal or phase differential ΔΦ or distance d are fed back to the parking position monitoring device sending this radiofrequency signal by S405, car-mounted device.
S406, parking position monitoring device are according to the phase information of this magnetic signal received and the phase information of electric signal or phase differential ΔΦ or distance d, judge whether vehicle enters position, parking stall, vehicle place, and/or carry out subsequent communications the need of with this car-mounted device, back-stage management center.If until timeslice is overtime, parking position monitoring device does not also receive the feedback information of radiofrequency signal, then wait for and enter next round timesharing distribute.
If what parking position monitoring device received is the phase information of magnetic signal and the phase information of electric signal, then parking position monitoring device is before judging, also needs to calculate phase differential ΔΦ or distance d according to the phase information of the magnetic signal received and the phase information of electric signal; If that parking position monitoring device receives is phase differential ΔΦ or the distance d of magnetic signal and electric signal, then parking position monitoring device directly can enter determining step according to phase differential or this distance.
In certain embodiments, storing cycle is preset in parking position monitoring device when its corresponding parking stall, the range prediction scope between this vehicle and this parking position monitoring device.For the parking position monitoring apparatus array shown in Fig. 2, storing cycle is preset when parking stall B1, B2, B3 in parking position monitoring device A1, range prediction scope between this vehicle and this parking position monitoring device A1 is respectively d1 to d2, d3 to d4, d5 to d6, when above-mentioned distance d is within d1 to d2, then be judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B1; When above-mentioned distance d is within d3 to d4, be then judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B2; When above-mentioned distance d is within d5 to d6, be then judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B3; After knowing parking stall, vehicle place, subsequent communications can also be carried out with this car-mounted device or back-stage management center.
Or, storing cycle is preset when its corresponding parking stall in parking position monitoring device, the phase differential scope of magnetic signal and electric signal in the radiofrequency signal that this parking position monitoring device of this vehicle receiver sends, for the parking position monitoring apparatus array shown in Fig. 2, storing cycle is preset at parking stall B1 in parking position monitoring device A1, B2, during B3, in the radiofrequency signal that this parking position monitoring device of this vehicle receiver A1 sends, the phase differential scope of magnetic signal and electric signal is respectively ΔΦ 1 to ΔΦ 2, ΔΦ 3 to ΔΦ 4, ΔΦ 5 to ΔΦ 6, when above-mentioned phase differential ΔΦ is within ΔΦ 1 to ΔΦ 2, then be judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B1, when above-mentioned phase differential ΔΦ is within ΔΦ 3 to ΔΦ 4, then be judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B2, when above-mentioned phase differential ΔΦ is within ΔΦ 5 to ΔΦ 6, be then judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B3, after knowing parking stall, vehicle place, subsequent communications can also be carried out with this car-mounted device or back-stage management center.
The information of vehicles that subsequent communications sends including, but not limited to receiving car-mounted device is carried out with this car-mounted device, subsequent communications is carried out including, but not limited to parking stall, vehicle place and information of vehicles are sent to back-stage management center with back-stage management center, so achieve the corresponding of vehicle and parking stall, achieve the accurate location of vehicle.
The process flow diagram of the vehicles management method that Fig. 5 provides for another embodiment of the present invention, compare embodiment illustrated in fig. 4, difference is, judges whether vehicle enters position, parking stall, vehicle place, car-mounted device and parking position monitoring device the need of carrying out subsequent communications, completing on car-mounted device the need of the step of carrying out subsequent communications with back-stage management center.As shown in Figure 5, following flow process is comprised:
In S501, parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device.
In S502, parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received.After each parking position monitoring device outwards sends radiofrequency signal, enter current distribution timeslice time-out judge, if timeslice is overtime, then wait for and enter next round timesharing distribution.
S503, car-mounted device received RF signal.
S504, car-mounted device obtain the phase information of magnetic signal and the phase information of electric signal in this radiofrequency signal.
S505, car-mounted device obtain the phase differential ΔΦ of magnetic signal and electric signal in this radiofrequency signal; Or also obtain it according to this phase differential ΔΦ and send the distance d between the parking position monitoring device of this radiofrequency signal.
Calculate the phase differential of magnetic signal and electric signal in same radiofrequency signal, and the account form of distance between the parking position monitoring device obtaining it according to this phase differential and send this radiofrequency signal can be theoretical with reference near field electromagnetic positioning of the prior art.
According to this phase differential ΔΦ or distance d, S506, car-mounted device judge whether vehicle enters position, parking stall, vehicle place, and/or the need of with send the parking position monitoring device of this radiofrequency signal, back-stage management center carries out subsequent communications etc.
In certain embodiments, preset storing cycle in car-mounted device when some parking stall, the range prediction scope between the parking position monitoring device that this vehicle is corresponding with this parking stall.For the parking position monitoring apparatus array shown in Fig. 3, storing cycle is preset when parking stall B1, B2 in car-mounted device, range prediction scope between this vehicle and this parking position monitoring device A1 is respectively d1 to d2, d3 to d4, when above-mentioned distance d is within d1 to d2, then be judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B1; When above-mentioned distance d is within d3 to d4, be then judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B2; After knowing parking stall, vehicle place, subsequent communications can also be carried out with this parking position monitoring device A1 or back-stage management center.
Or, storing cycle is preset when some parking stall in car-mounted device, the phase differential scope of magnetic signal and electric signal in the radiofrequency signal that this parking position monitoring device of this vehicle receiver sends, for the parking position monitoring apparatus array shown in Fig. 3, storing cycle is preset at parking stall B1 in car-mounted device, during B2, in the radiofrequency signal that this parking position monitoring device of this vehicle receiver A1 sends, the phase differential scope of magnetic signal and electric signal is respectively ΔΦ 1 to ΔΦ 2, ΔΦ 3 to ΔΦ 4, when above-mentioned phase differential ΔΦ is within ΔΦ 1 to ΔΦ 2, then be judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B1, when above-mentioned phase differential ΔΦ is within ΔΦ 3 to ΔΦ 4, then be judged as that vehicle enters position, meanwhile can also know that parking stall, vehicle place is parking stall B2, after knowing parking stall, vehicle place, subsequent communications can also be carried out with this parking position monitoring device A1 or back-stage management center.
Subsequent communications is carried out including, but not limited to sending information of vehicles to this parking position monitoring device A1 with this parking position monitoring device A1, subsequent communications is carried out including, but not limited to parking stall, vehicle place and information of vehicles are sent to back-stage management center with back-stage management center, so achieve the corresponding of vehicle and parking stall, achieve the accurate location of vehicle.
The schematic diagram of the vehicle management system that Fig. 6 provides for one embodiment of the invention, as shown in Figure 6, vehicle management system 6, comprises parking position monitoring apparatus array 61, and back-stage management center 62; Parking position monitoring apparatus array 61 comprises at least two parking position monitoring devices of arranging corresponding to parking stall; Back-stage management center 62 is for sending control information to each parking position monitoring device in this parking position monitoring apparatus array 61; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device; In parking position monitoring apparatus array 61, each parking position monitoring device receives the control information that back-stage management center 62 sends, and outwards sends radiofrequency signal according to the control information timesharing received.In this vehicle management system, parking position monitoring device directly communicates with back-stage management center 62, after each parking position monitoring device powers on, back-stage management center is directly set up with each parking position monitoring device in this parking position monitoring apparatus array 61 and is communicated, to the control information of each parking position monitoring devices broadcasting.The direct communication mode of parking position monitoring device and back-stage management center 62 is including, but not limited to 2G network, 3G communication network, 4G network, WIFI network etc.
The schematic diagram of the vehicle management system that Fig. 7 provides for another embodiment of the present invention, with vehicle management system shown in Fig. 6 unlike, also comprise trunk module 63, communicate with between back-stage management center 62 for parking position monitoring device each in parking position monitoring apparatus array 61.Namely each parking position monitoring device is communicated with back-stage management center 62 by trunk module 63.After each parking position monitoring device powers on, back-stage management center first issues control information to trunk module 63, then to be set up with each parking position monitoring device in this parking position monitoring apparatus array 61 by trunk module 63 and communicate, to the control information of each parking position monitoring devices broadcasting.Trunk module 63 can be arranged on from the closer place of parking position monitoring apparatus array 61, the communication mode of each parking position monitoring device and trunk module 63 is including, but not limited to WIFI network, NFC etc., and the communication mode between trunk module 63 and back-stage management center 62 is including, but not limited to 2G network, 3G communication network, 4G network, WIFI network etc.Trunk module 63 preferably repeater.
The schematic diagram of the parking position monitoring device that Fig. 8 provides for one embodiment of the invention, as shown in Figure 8, parking position monitoring device 8 comprises first communication module 81 and second communication module 82:
The control information that first communication module 81 sends for receiving back-stage management center; This control information outwards sends radiofrequency signal for controlling different parking position monitoring device timesharing in the parking position monitoring apparatus array of parking position monitoring device 8 place.First communication module 81 can directly and back-stage management center to center communications, or by trunk module and back-stage management center to center communications.First communication module 81 is including, but not limited to 2G network, 3G communication network, 4G network, WIFI, NFC communication module.
Second communication module 82, outwards sends radiofrequency signal for the control information timesharing received according to first communication module.The working frequency range of second communication module 82 can select 500KHz – 50MHz, such as 1MHz frequency range, 13MHz frequency range, 15MHz frequency range, 20MHz frequency range, 30MHz frequency range, 50MHz frequency range.The actual size on and parking stall theoretical according near field electromagnetic positioning, preferably employing 10MHz frequency range-30MHz frequency range.
In certain embodiments, second communication module 82 also for receive car-mounted device feedback this radiofrequency signal in the phase information of magnetic signal and the phase information of electric signal or phase differential or distance; Or parking position monitoring device 8 also comprises the third communication module 83 that frequency of operation is different from second communication module 82, for receive car-mounted device feedback this radiofrequency signal in the phase information of magnetic signal and the phase information of electric signal or phase differential or distance.The working frequency range of third communication module 83 can select 433M frequency range, 2.4G frequency range, 900M frequency range etc.Certainly, second communication module 82, third communication module 83 also can be used for carrying out subsequent communications with car-mounted device.Such as, the information of vehicles etc. that car-mounted device sends is received.
In certain embodiments, parking position monitoring device 8 also comprises the first judge module 84, for the phase information of magnetic signal in this radiofrequency signal of receiving according to second communication module 82 or third communication module 83 and the phase information of electric signal or phase differential or distance, judge whether vehicle enters position, parking stall, vehicle place, and/or carry out subsequent communications the need of with this car-mounted device, back-stage management center.
In certain embodiments, after second communication module 82, third communication module 83 receive the information of vehicles of car-mounted device transmission, first communication module 81 is also for sending to back-stage management center by parking stall, vehicle place and information of vehicles.Certainly, first communication module 81 also can be used for carrying out subsequent communications with back-stage management center.
The schematic diagram of the car-mounted device that Fig. 9 provides for one embodiment of the invention, as shown in Figure 9, car-mounted device 9 comprises the 4th communication module 91 and acquisition module 92:
4th communication module 91 is for received RF signal; The working frequency range of the 4th communication module 91 can select 500KHz – 50MHz, such as 1MHz frequency range, 13MHz frequency range, 15MHz frequency range, 20MHz frequency range, 30MHz frequency range, 50MHz frequency range.The actual size on and parking stall theoretical according near field electromagnetic positioning, preferably employing 10MHz frequency range-30MHz frequency range.
Acquisition module 92 is for obtaining the phase information of magnetic signal and the phase information of electric signal in this radiofrequency signal; Or obtain the phase differential of magnetic signal and electric signal in this radiofrequency signal; Or the distance between the parking position monitoring device obtaining it according to this phase differential and send this radiofrequency signal.
In certain embodiments, the 4th communication module 91 also feeds back to for the phase information of this magnetic signal that obtained by acquisition module 92 and the phase information of electric signal or phase differential or distance the parking position monitoring device sending this radiofrequency signal; Or car-mounted device also comprises the 5th communication module 93 that frequency of operation is different from the 4th communication module 91, feed back to for the phase information of this magnetic signal that obtained by acquisition module 92 and the phase information of electric signal or phase differential or distance the parking position monitoring device sending this radiofrequency signal; The working frequency range of the 5th communication module can select 433M frequency range, 2.4G frequency range, 900M frequency range etc.Certainly, the 4th communication module 91, the 5th communication module 93 also can be used for carrying out subsequent communications with parking position monitoring device.Such as, information of vehicles etc. is sent to parking position monitoring device.
In certain embodiments, car-mounted device 9 also can comprise the second judge module 94, whether enter position, parking stall, vehicle place for this phase differential of obtaining according to acquisition module 92 or Distance Judgment vehicle, and/or the need of with send the parking position monitoring device of this radiofrequency signal, back-stage management center carries out subsequent communications.
In certain embodiments, car-mounted device 9 also comprises the 6th communication module 95, for parking stall, vehicle place and information of vehicles are sent to back-stage management center.Certainly, the 6th communication module 95 also can be used for carrying out subsequent communications with back-stage management center.
The present invention arranges at least two the first low frequencies modules in same parking stall correspondence, each first low frequencies module outwards sends its identification information respectively by low frequency signal, car-mounted device receives the identification information of external emission, carries out vehicle detection in place according to the identification information received or according to the identification information received and the low frequency signal intensity received.Not only achieve the communication with car-mounted device, and compare radio frequency transmission mode, easily accomplish to transmit one to one, realize the acquisition of information of vehicles, and corresponding between parking stall with vehicle, improve management quality.
In parking position monitoring apparatus array of the present invention, the timesharing of each parking position monitoring device outwards sends radiofrequency signal, effectively prevent same car-mounted device in prior art to receive multiple situation with radiofrequency signal frequently at one time and occur, improve the degree of accuracy of the follow-up vehicle management carried out based on this radiofrequency signal.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (13)
1. a vehicles management method, is characterized in that, this vehicles management method comprises the following steps:
In parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device;
In parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received.
2. vehicles management method as claimed in claim 1, is characterized in that, after in parking position monitoring apparatus array, each parking position monitoring device outwards sends radiofrequency signal according to the control information timesharing received, also comprises:
Car-mounted device received RF signal;
Car-mounted device obtains the phase information of magnetic signal and the phase information of electric signal in this radiofrequency signal; Or obtain the phase differential of magnetic signal and electric signal in this radiofrequency signal; Or the distance between the parking position monitoring device obtaining it according to this phase differential and send this radiofrequency signal.
3. vehicles management method as claimed in claim 2, is characterized in that, also comprise:
Whether car-mounted device enters position, parking stall, vehicle place according to this phase differential or Distance Judgment vehicle, and/or the need of with send the parking position monitoring device of this radiofrequency signal, back-stage management center carries out subsequent communications;
Or the phase information of magnetic signal in this radiofrequency signal and the phase information of electric signal or phase differential or distance are fed back to the parking position monitoring device sending this radiofrequency signal by car-mounted device; According to it, parking position monitoring device judges whether vehicle enters position, parking stall, vehicle place, and/or carry out subsequent communications the need of with this car-mounted device, back-stage management center.
4. vehicles management method as claimed in claim 3, it is characterized in that, the subsequent communications that car-mounted device, parking position monitoring device and back-stage management center are carried out comprises: parking stall, vehicle place and information of vehicles are sent to back-stage management center by car-mounted device or parking position monitoring device.
5. the vehicles management method as described in any one of Claims 1-4, is characterized in that, control information comprise time synchronization information, each parking position monitoring device order of transmission and send interval time sheet.
6. a parking position monitoring apparatus array, is characterized in that, comprises at least two parking position monitoring devices of arranging corresponding to parking stall; Parking position monitoring device comprises:
First communication module, for receiving the control information that back-stage management center sends; This control information outwards sends radiofrequency signal for controlling different parking position monitoring device timesharing in this parking position monitoring apparatus array;
And second communication module, outwards send radiofrequency signal for the control information timesharing received according to first communication module.
7. parking position monitoring apparatus array as claimed in claim 6, it is characterized in that, second communication module also for receive car-mounted device feedback this radiofrequency signal in the phase differential of magnetic signal and electric signal or the distance between the described car-mounted device obtained according to this phase differential and the parking position monitoring device sending this radiofrequency signal in the phase information of magnetic signal and the phase information of electric signal or this radiofrequency signal; Or parking position monitoring device also comprises: frequency of operation is different from the third communication module of second communication module, for receive car-mounted device feedback this radiofrequency signal in the phase information of magnetic signal and the phase information of electric signal or phase differential or distance;
And parking position monitoring device also comprises: the first judge module, for the phase information of magnetic signal in this radiofrequency signal of receiving according to second communication module or third communication module and the phase information of electric signal or phase differential or distance, judge whether vehicle enters position, parking stall, vehicle place, and/or carry out subsequent communications the need of with this car-mounted device, back-stage management center.
8. parking position monitoring apparatus array as claimed in claim 7, it is characterized in that, first communication module is also for sending to back-stage management center by parking stall, vehicle place and information of vehicles.
9. a car-mounted device, is characterized in that, comprising:
4th communication module, for received RF signal;
And acquisition module, for obtaining the phase information of magnetic signal and the phase information of electric signal in this radiofrequency signal; Or obtain the phase differential of magnetic signal and electric signal in this radiofrequency signal; Or the distance between the parking position monitoring device obtaining it according to this phase differential and send this radiofrequency signal.
10. car-mounted device as claimed in claim 9, is characterized in that,
4th communication module also feeds back to for the phase information of magnetic signal in this radiofrequency signal of being obtained by acquisition module and the phase information of electric signal or phase differential or distance the parking position monitoring device sending this radiofrequency signal; Or car-mounted device also comprises the 5th communication module that frequency of operation is different from the 4th communication module, feed back to for the phase information of magnetic signal in this radiofrequency signal of being obtained by acquisition module and the phase information of electric signal or phase differential or distance the parking position monitoring device sending this radiofrequency signal;
Or, car-mounted device also comprises the second judge module, whether enter position, parking stall, vehicle place for this phase differential of obtaining according to acquisition module or Distance Judgment vehicle, and/or the need of with send the parking position monitoring device of this radiofrequency signal, back-stage management center carries out subsequent communications.
11. car-mounted devices as claimed in claim 10, it is characterized in that, car-mounted device also comprises the 6th communication module, for parking stall, vehicle place and information of vehicles are sent to back-stage management center.
12. 1 kinds of vehicle management systems, is characterized in that, comprise the parking position monitoring apparatus array as described in any one of claim 6 to 8, and back-stage management center; Back-stage management center is used for sending control information to each parking position monitoring device in this parking position monitoring apparatus array; This control information outwards sends radiofrequency signal for controlling the timesharing of different parking position monitoring device; In parking position monitoring apparatus array, each parking position monitoring device receives the control information that back-stage management center sends, and outwards sends radiofrequency signal according to the control information timesharing received.
13. vehicle management systems as claimed in claim 12, is characterized in that, also comprise trunk module, for receiving the control information that back-stage management center sends, and to each this control information of parking position monitoring devices broadcasting in parking position monitoring apparatus array.
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| CN201310577011.1A CN104658308B (en) | 2013-11-15 | 2013-11-15 | Parking position monitoring apparatus array, car-mounted device, vehicles management method and system |
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