CN203276594U

CN203276594U - Parking stall state sensing and indicating device

Info

Publication number: CN203276594U
Application number: CN 201320198365
Authority: CN
Inventors: 杨多猛
Original assignee: ROSIM ITS TECHNOLOGY Co Ltd
Current assignee: ROSIM ITS TECHNOLOGY Co Ltd
Priority date: 2013-04-18
Filing date: 2013-04-18
Publication date: 2013-11-06
Anticipated expiration: 2023-04-18

Abstract

The utility model relates to a parking stall state sensing and indicating device comprising an infrared distance detection module, a high light LED indication module, a communication module and a control module, wherein the infrared distance detection module is used for continuously detecting distance between a parking stall state sensing and indicating device installation position and a parking stall ground surface or the top part of an object placed on a parking stall according to a specific time interval; the high light LED indication module is used for indicating parking stall state information; when the parking stall is empty, an LED flickers at a certain time interval; when the parking stall is occupied, the LED is out; the communication module is used for transmitting the parking stall state information to the outside; the control module is used for determining whether a vehicle is parked on the parking stall according to distance change detected by the infrared distance detection module, and the control module is also used for driving the high light LED indication module to indicate the parking stall state information and driving the communication module to transmit the parking stall state information to the outside according to a determining result. The device is characterized in that the a parking stall state detection module is integrated with a parking stall state indication module, and the device is improved in installation efficiency and lowered in system cost.

Description

Parking space state perception and indicating device

Technical field

The utility model relates to the parking space state detection technology, particularly a kind of wireless parking stall state aware and indicating device and method.

Background technology

Existing parking stall Detection Techniques have ultrasonic detection method, earth magnetism detection method and video detection method, and the ultrasonic detection method power consumption is high, and detection range is near, and the accuracy of earth magnetism detection method is not high, and the cost of video detection method is high.The drawbacks limit of these prior aries they application in the parking lot.In addition, existing parking stall indicating means is all to set up separately a LED light above the parking stall, when on the parking stall, car being arranged, and normal shiny red, when on the parking stall during without car, normal bright green produces the parking guidance effect with this.But red green situation about mixing also easily occurs, green empty parking space indication often is not easy to find.The whole azarins in whole parking lot or green light, vision easily causes discomfort.And all parking stalls are not that redness is namely green, produce huge power consumption.

The utility model content

The purpose of this utility model is to provide a kind of parking space state perception and indicating device, improves the detection accuracy of parking space state, and clear indication parking space state information.

This parking space state perception and indicating device, be installed in the parking lot directly over each parking stall on ceiling or on other facilities, this parking space state perception and indicating device comprise: an infrared distance measurement module, be used for according to specified time interval, detect constantly the distance that this parking space state perception and indicating device installation site are parked the object top on earth's surface, parking stall or the parking stall; One highlighted LED indicating module is used to indicate parking space state information, and when the parking stall was empty, this LED was according to the certain hour interval flashing, and when the parking stall was occupied, this LED extinguished; One communication module is used for outwards sending parking space state information; An and control module, judge in order to the variable in distance that detects according to this this infrared distance measurement module whether storing cycle is arranged on the parking stall, and according to this highlighted LED indicating module indication parking space state information of this judged result driving and this communication module of driving, parking space state information is sent.

Preferably, when there is no vehicle on the parking stall, the distance that this infrared distance measurement module detects is that this parking space state perception and indicating device installation site are far from the distance on earth's surface, parking stall, be expressed as fixed value H, when having parked object on the parking stall, the distance that this infrared distance measurement module detects is this parking space state perception and indicating device apart from the distance at this object top, be expressed as d, this object height h=H-d during more than or equal to 0.3m, judges that this object is vehicle as h.

The parking space state perception that the utility model provides and indicating device are integrated in one parking space state detecting module and parking space state indicating module, improve installation effectiveness, reduce system cost; This parking space state perception and indicating device adopt infrared distance detection method measure on the parking stall without car and distance difference under the car two states is arranged in addition, reach the judgement purpose, and this determination methods is succinct, and is reliable; And this parking space state perception and indicating device adopt highlighted LED to show whether the parking stall is idle, when having vehicle on the parking stall, LED extinguishes, and saves energy resource consumption, does not also produce extra light source simultaneously, the light that reduces in the parking lot disturbs, and alleviates the human eye burden.When the parking stall was idle, LED compared with the some cycles interval flashing mode that continues light, and passage of scintillation light is easier to be caught by human eye, induces efficient thereby improved.Compare the lasting energy resource consumption and the ambient light contamination that continue the light mode, the energy-conserving and environment-protective more of flicker induction mode.

Description of drawings

Fig. 1 is the parking space state perception that provides of the utility model one preferred embodiment and the construction module figure of indicating device;

Fig. 2 is the workflow diagram of parking space state perception and indicating device.

Embodiment

Below in conjunction with accompanying drawing, parking space state perception provided by the utility model and indicating device and workflow thereof are described further, only with a kind of optimized technical scheme, the technical solution of the utility model and design concept are described in detail below it is pointed out that.

As shown in Figure 1, the parking space state perception that the present embodiment provides and indicating device comprise highlighted LED indicating module 10, infrared distance measurement module 20, control module 30 and communication module 40, this parking space state perception and indicating device external power supply 50, power supply 50 provide the energy of work for parking space state perception and indicating device.This parking space state perception and indicating device are installed in directly over the parking stall, and this infrared distance measurement module 20 is used for detecting constantly according to specified time interval the distance that this parking space state perception and indicating device installation site are parked the object top on earth's surface, parking stall or the parking stall; This highlighted LED indicating module is used to indicate parking space state information, and when the parking stall was empty, this LED was according to the certain hour interval flashing, and when the parking stall was occupied, this LED extinguished; This communication module 40 is used for outwards sending parking space state information; This control module 30 judges in order to the variable in distance that detects according to this this infrared distance measurement module whether storing cycle is arranged on the parking stall, and according to this highlighted LED indicating module indication parking space state information of this judged result driving and this communication module of driving, parking space state information is sent.

The sense cycle of infrared distance measurement module is set according to actual needs, and the cycle is shorter, and the work of infrared distance measurement module is more frequent, and power consumption is larger, detects response speed faster, otherwise still.It is 3 seconds that the present embodiment is set sense cycle, and namely at interval of 3 seconds, infrared distance measurement module is measured once it apart from the distance on earth's surface, parking stall.Testing result reads control module by the A/D input channel of control module 30.When on the parking stall during without vehicle, what detection obtained is that this parking space state perception and indicating device installation site are far from the distance on earth's surface, parking stall apart from d, it is almost the building story height H of inner part of parking lot, be expressed as fixed value H, when on the parking stall, object being arranged, the distance apart from d to be this parking space state perception and indicating device installation site park on this parking stall object top that detection obtains, at this moment, this object height h=H-d.According to object height h, control module just can judge whether parked vehicle on the parking stall.Such as the general vehicle height all surpasses 0.3 meter, get 0.3 meter as thresholding, if h less than 0.3 meter, think on the parking stall without car, otherwise thinking has car on the parking stall.

The highlighted LED indicating module 10 that this parking space state perception and indicating device comprise, in order to reach better visual effect, the present embodiment takes green highlighted LED as the parking stall status indicator lamp, and when having vehicle above the parking stall, LED is in and extinguishes state.When without vehicle above the parking stall time, the parking stall is idle, and this moment, controller module was controlled highlighted LED indicating module according to specific interval flashing by enable signal EN1, and the prompting parking stall is in idle condition.The flicker interval of LED is set as required, and the present embodiment is set the LED flicker and is spaced apart 3 seconds, wherein 2.7 seconds fall times, lights 0.3 second time.Therefore, when seeing viridescent flash of light, available free parking stall, expression there, as cannot see any green glow appearance, represent that the parking stall is taken.Such flicker parking stall induction mode is compared lasting light induction mode and is more prone to be captured by human eye, and occupied parking stall pilot lamp keeps extinguishing state, the chaotic situation of also having avoided light source to mix dazzling the eyes, more be beneficial to the blinking light that human eye captures the free parking space top, and greatly save energy resource consumption.

In addition, because infrared distance measurement module power consumption is higher, therefore can not take powered battery, so this power supply 50 is common AC power, when therefore this parking space state perception and indicating device are installed, power lead need to be installed, therefore the unnecessary employing wireless communication module of its communication module 40, but can together with power lead, spider lines be installed, more stably the transmission of data.

Introduce the workflow of this parking space state perception and indicating device below in conjunction with Fig. 2, wherein this Figure 2 shows that a single flow process, and this parking space state perception and indicating device are that constantly this flow process is carried out in circulation, and it comprises:

Step 1, one infrared distance measurement module continue to detect by some cycles park on installation site to earth's surface, parking stall or the parking stall of parking stall state aware and indicating device the object top apart from d, when on the parking stall during without car, d be this parking space state perception and indicating device installation site far from the distance on earth's surface, parking stall, be expressed as fixed value H; This cycle is set according to actual needs, and the cycle is shorter, and the work of infrared distance measurement module is more frequent, and power consumption is larger, detects response speed faster, otherwise still.It is 3 seconds that the present embodiment is set sense cycle, and namely at interval of 3 seconds, infrared distance measurement module is measured once it apart from the distance on earth's surface, parking stall.

Step 2 judges whether this d value changes, and if so, enters step 3, if not, returns to step 1; Vehicle or other objects have been parked on the parking stall, when the parking stall is occupied, the distance that infrared detection module detects is to park the distance at object top on parking space state perception and indicating device installation site to parking stall, that is to say, what this infrared detection module detected is bound to enter or leave and change with object on the parking stall apart from the d value.

Step 3 tentatively judges and has parked object on the parking stall or formerly parked vehicle and leave, and calculates the height h of object on the parking stall, h=H-d; The hot outer distance of surveying apart from detecting module changes, and can judge that parking space state has change.

Whether step 4 judges h greater than 0.3m, if so, enters step 5, if not, enters step 6; Because vehicle generally highly all surpasses 0.3 meter, thus get 0.3 meter as thresholding, if h less than 0.3 meter, think on the parking stall without car, otherwise thinking has car on the parking stall.

Step 5, draw and indicate result of detection: there is vehicle the parking stall, extinguishes highlighted LED and indicates the parking stall occupied; Occupied parking stall pilot lamp keeps extinguishing state, and the chaotic situation of having avoided light source to mix dazzling the eyes more is beneficial to the blinking light that human eye captures the free parking space top, and greatly saves energy resource consumption.

Step 6 draws and indicates result of detection: there is no vehicle on the parking stall, start highlighted LED idle with the indication parking stall according to the certain hour interval flashing.。The flicker interval of LED is set as required, and the present embodiment is set the LED flicker and is spaced apart 3 seconds, wherein 2.7 seconds fall times, lights 0.3 second time.Therefore, when seeing viridescent flash of light, available free parking stall, expression there, as cannot see any green glow appearance, represent that the parking stall is taken.Such flicker parking stall induction mode is compared lasting light induction mode and is more prone to be captured by human eye.

Preferably, all further comprise after this step 5 and step 6: step 7 sends result of detection by a communication module.Adopt wire communication module in the present embodiment, data transmission performance is more stable.

Be below only preferred implementation of the present utility model, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with the claim limited range.For those skilled in the art, within not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a parking space state perception and indicating device are installed in the parking lot directly over each parking stall on ceiling or on other facilities, and this parking space state perception and indicating device comprise:

One infrared distance measurement module is used for according to specified time interval, detects constantly the distance that this parking space state perception and indicating device installation site are parked the object top on earth's surface, parking stall or the parking stall;

One highlighted LED indicating module is used to indicate parking space state information, and when the parking stall was empty, this LED was according to the certain hour interval flashing, and when the parking stall was occupied, this LED extinguished;

One communication module is used for outwards sending parking space state information; And

One control module, judge in order to the variable in distance that detects according to this this infrared distance measurement module whether storing cycle is arranged on the parking stall, and according to this highlighted LED indicating module indication parking space state information of this judged result driving and this communication module of driving, parking space state information is sent.

2. parking space state perception as claimed in claim 1 and indicating device, it is characterized in that, when there is no vehicle on the parking stall, the distance that this infrared distance measurement module detects is that this parking space state perception and indicating device installation site are far from the distance on earth's surface, parking stall, be expressed as H, when having parked object on the parking stall, the distance that this infrared distance measurement module detects is this parking space state perception and indicating device apart from the distance at this object top, be expressed as d, this object height h=H-d, during more than or equal to 0.3m, judge that this object is vehicle as h.