The parking position wireless management system
Technical field
The present invention relates to a kind of parking position management system, especially, a kind of parking position wireless management system.
Background technology
Along with the raising of automobile popularity rate, automobile and people's work, life concern more and more closer, and especially in some big cities, this situation is particularly evident.And the thing followed is exactly, and for convenience of parking of these vehicles, the parking lot is also more and more.
Initial parking lot does not arrange parking space management system, and its parking stall way to manage is fairly simple, mostly is labor management.And along with the development of demand, it is increasing that the parking lot also becomes, and the quantity on parking stall becomes progression to increase, if also use simple labor management, obviously can not satisfy efficiency requirements.Therefore, be the parking stall of effective managing parking field, improve the service efficiency on the parking stall in parking lot, industry has developed some parking position Managed Solution managing parking spaces.
For example, usually the scheme that adopts comprises on detection such as the technological means that adopts ultrasound wave, earth magnetism, the eddy current parking stall whether parking cars at present, then, Monitoring Data is flowed to system, make parking space management system can know whether whole parking lot also has vacant parking stall.Can improve the service efficiency in parking lot effectively like this.
But above these schemes still have some defectives, and for example, the phenomenon of scattering takes place the ultrasound wave scheme in use easily, and this just detects contiguous vehicle easily, thereby cause flase drop to survey easily; And the ultrasonic probe cost is higher.
Though it is relatively good that the earth magnetism scheme detects effect, but generally all to solve the problem to the detection system power supply, lay power cable or battery is installed, installation and maintenance are all cumbersome, and near the pipeline also will considering when installing and cable are to the influence of geomagnetic sensor.
Eddy-current method detects need spread magnetic test coil on ground, thereby need construct with digging, and quantities is big, and for existing parking lot, it is very inconvenient to install.
Therefore, necessary for industry provides a kind of new parking position management system, overcome the defective in the existing parking position management system scheme.
Summary of the invention
Technical matters to be solved by this invention provides a kind of parking position wireless management system, and its installation, maintenance cost are lower; And detect effectively, can effectively guarantee the normal operation of system, improve the service efficiency on parking stall, parking lot.
In order to solve the problems of the technologies described above, technical scheme proposed by the invention is: a kind of parking position wireless management system, it comprises node detection device and the terminal control mechanism that is arranged on the precalculated position, parking stall, wherein the node detection device comprises slope device and sensor detecting unit, the slope device comprises force-applied depressing and ramp that the power of taking off is upspring, described ramp is stressed depressing when having vehicle to sail into, the power of taking off is upspring when vehicle rolls away from, the sensor detecting unit is arranged on the ramp, detect the information that the ramp changes, and described information wireless sent to terminal control mechanism, terminal control mechanism receives and the detected information of processing node pick-up unit, with the parking stall of managing parking field.
Further, in different embodiments, wherein the sensor detecting unit comprises the pressure transducer that changes for detection of described ramp upward pressure.Detect the precalculated position upward pressure by pressure transducer and change, and then obtain whether occupied information of parking stall.
Further, in different embodiments, wherein the sensor detecting unit comprises the acceleration transducer for detection of the inclination angle variation in described ramp.Or the inclination angle of taking off power stressed according to the ramp changes, and then can judge more exactly that vehicle sails the parking stall into or rolls the parking stall away from.
Further, in different embodiments, wherein the sensor detecting unit comprises the Magnetic Sensor for detection of magnetic flux change.
Further, in different embodiments, wherein the sensor detecting unit comprises voltage or the current sensor for detection of voltage or electric current variation.
Further, in different embodiments, wherein the sensor detecting unit comprises the infrared sensor for detection of infrared variation.
Further, in different embodiments, wherein the node detection device also comprises the generator that is connected with the ramp of slope device by gearing, described generator makes node detection device, the terminal control mechanism that the present invention relates to not need externally fed in order to node detection device and terminal control mechanism power supply.
Further, in different embodiments, wherein terminal control mechanism also comprises via node, and the detected information of node detection device sends the terminal unit of terminal control mechanism to by via node.The setting of TU Trunk Unit makes terminal control mechanism can better receive signal, avoids occurring the problem of the information that can not effectively receive, thereby more efficient control total system is increased work efficiency.
Further, in different embodiments, wherein the parking position wireless management system also further comprises guiding device, it is connected with terminal control mechanism, the detected information of terminal control mechanism processing node pick-up unit, and send available parking space information to guiding device, so that guide means guide vehicle parking.Guiding device can provide the device of vision indication, and for example information display board, signal lamp also can provide the device of voice suggestion.
Further, in different embodiments, wherein between via node and the terminal unit, can transmit by the RS485 bus information of carrying out between terminal control mechanism and the guiding device.
With respect to prior art, the present invention has following beneficial effect: the parking position wireless management system that the present invention relates to is installed, safeguards simple, is applicable to the use in all types of parking lots, installs, the process of changing the outfit need not fairly large construction; And efficiency of management height, and then make operation cost lower.
Description of drawings
The building-block of logic of the parking position wireless management system that Fig. 1 provides for an embodiment who the present invention relates to; With
Fig. 2 is the structural representation of the node detection device of the parking position wireless management system that the present invention relates to.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
See also shown in Figure 1ly, one embodiment of the present of invention have disclosed a kind of parking position wireless management system, and it includes node detection device, terminal control mechanism and guiding device.
Wherein node detection device 100 is arranged on the precalculated position on each parking stall, sees also shown in Figure 2ly, and it comprises slope device, sensor detecting unit and generator.Wherein the slope device comprises force-applied depressing and ramp 10 that the power of taking off is upspring; Sensor detecting unit 20 is set on the ramp 10, and whether it is for detection of having vehicle to enter the parking stall, and sensor detecting unit 20 can comprise pressure transducer, acceleration transducer, Magnetic Sensor, infrared sensor, voltage sensor or current sensor etc.Ramp 10 also is connected with elastic device 30, and this elastic device 30 makes that ramp 10 can bounce back into automatically when taking off power former gradient.And ramp 10 also is connected with generator 50 by gearing 40, and vehicle sails into and when rolling the ramp away from, ramp 10 stressed depress and process that the power of taking off is upspring in institute's work generate electricity by gearing 40 drive generators 50.The electric power that generator 50 produces can pass through capacitance stores, gives the sensor detecting unit 20 power supplies under the situation of needs.
Node detection device 100 also comprises wireless transmitting unit, and sensor detecting unit 20 detects the information that obtains and sends to terminal control mechanism by wireless transmitting unit, and its required electric power also can be to be supplied with by generator 50.
For the ease of receiving the information from each parking stall, terminal control mechanism is provided with via node, the node detection device is wirelessly sent near via node with testing result and self ID, via node is in the state that receives of waiting at any time, in case after receiving signal, namely send to the terminal unit of terminal control mechanism, and then terminal unit is handled these information.Information classification after terminal unit will be handled, the information that again needs is sent to guiding device sends to guiding device.
Guiding device is connected with terminal control mechanism, the detected information of terminal control mechanism processing node pick-up unit, and send available parking space information to guiding device, so that the guide means guide vehicle parking.Wherein the information in the terminal control mechanism transmit with and and guiding device between information transmit, can be by the RS485 bus, certainly, in other embodiments, also can come transmission information by other communication modes.
Situation when parking stall, the parking lot wireless management system that the present invention relates to moves is as follows.
At first, when vehicle sailed the parking stall into, ramp 10 was depressed, and then by 50 generatings of gearing 40 drive generators, electric energy is by capacitance stores, and sensor detecting unit 20 powers on and starts working, and it sensor that comprises then carries out coherent detection according to particular type.
Wherein, the pressure that pressure transducer detects on the ramp changes, and when vehicle sails the ramp into, ramp pressure obviously increases, and when vehicle rolls the ramp away from, ramp pressure obviously reduces.Acceleration transducer detects the variation at inclination angle, ramp, and when vehicle sails the ramp into, the inclination angle, ramp obviously reduces, and when vehicle rolls the ramp away from, the inclination angle, ramp obviously increases.Magnetic Sensor detects magnetic flux change, when vehicle sails the ramp into, the stressed drive generator for electricity generation of depressing in ramp, Magnetic Sensor powers on and detects once variation of magnetic flux generation, when vehicle rolls the ramp away from, the ramp power of the taking off drive generator for electricity generation of upspringing, Magnetic Sensor power on and detect magnetic flux and take place to change for the second time; It is 0 to 1 that terminal control mechanism can magnetic flux take place a change records, judge vehicle and sail the parking stall into, and be 1 to 0 with the magnetic flux generation change records second time, judge vehicle and roll the parking stall away from.Infrared sensor detects infrared variation, and when vehicle sails the parking stall into, infrared sensor detects infrared being blocked, and when vehicle rolls the parking stall away from, infrared sensor detects infrared recovery.Voltage or current sensor detect the variation of voltage or electric current, and vehicle sails the parking stall into, and voltage or direction of current are for just, and vehicle rolls the parking stall away from, and voltage or direction of current be for negative, judge vehicle according to voltage or sense of current variation and sail or roll away from the parking stall into.
Node detection device 100 sends near via node with the parking stall occupied information that sensor detecting unit 20 obtains by wireless transmitting unit, and via node sends to terminal unit with information again; At last, terminal control mechanism is handled the information that receives, and the parking stall occupied information is sent to guiding device, makes follow-up vehicle can not repeat the occupied parking stall of approaching like this, has improved parking efficient.
In like manner, when vehicle sailed out of the parking stall, the acting of upspringing was understood in ramp 10 under the effect of elastic device 30, drove generators 50 generatings by gearing 40, and the electric energy of generation also can be stored in the electric capacity; Sensor detecting unit 20 powers on and starts working, and detects the variation of pressure, inclination angle, magnetic flux, infrared, voltage or electric current, obtains the information that vehicle sails out of and the parking stall is vacated; Wireless transmitting unit is vacated information with the parking stall and is sent to via node then, and then terminal control mechanism obtains the parking stall information available, again information is sent to guiding device, guiding device then again the direct subsequent vehicle sail available parking places into.
The above only is preferred embodiments of the present invention; protection scope of the present invention is not limited with above-mentioned embodiment; in every case those of ordinary skills' equivalence that disclosure is done according to the present invention is modified or is changed, and all should include in the protection domain of putting down in writing in claims.