CN207409146U - Outdoor version laser stall testing apparatus - Google Patents
Outdoor version laser stall testing apparatus Download PDFInfo
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- CN207409146U CN207409146U CN201721432566.7U CN201721432566U CN207409146U CN 207409146 U CN207409146 U CN 207409146U CN 201721432566 U CN201721432566 U CN 201721432566U CN 207409146 U CN207409146 U CN 207409146U
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Abstract
The utility model provide it is a kind of for automatically detect outdoor parking space parking stall it is whether occupied and park cars whether be located at parking stall correspond to delimit stop line in stall testing apparatus.The detection device includes；Rotating laser distance measuring unit, main control unit, power supply unit and communication unit, the main control unit are connected with rotating laser distance measuring unit with communication unit；The rotating laser distance measuring unit includes rotating laser rangefinder；The main control unit includes calling module and N number of preconfigured specified angle control module；The power supply unit, including rechargeable battery；Communication unit, the communication unit are interconnected by network and customer terminal equipment.Whether the utility model can interpolate that out whether parking stall is occupied and parks cars in the correspondence delimitation stop line of parking stall.
Description
Technical field
The utility model belongs to technical field of intelligent traffic, and in particular to for outdoor version laser stall testing apparatus.
Background technology
Whether vehicle is parked on automatic detection parking stall, the fine-grained management for promoting parking lot is horizontal and is wide
Big car owner provides idle parking stall induced service and has a very important significance.
According to the type in parking lot, existing parking space detector mainly includes ultrasonic stall detector, infrared parking stall is examined
Survey device, camera parking space detector and geomagnetic parking stall detector.Wherein ultrasonic stall detector, infrared parking space detector are main
Parking stall for parking garage is occupied, be limited to technical system reason can not be applied to outdoor environment, have it is at low cost,
The advantages of reliability is higher；Geomagnetic parking stall detector price is higher than ultrasonic stall detector, infrared parking space detector, due to anti-
Outdoor adverse circumstances such as rain, snow, wind, the ability of strong sunlight interference is strong, is widely used in the management of Outdoor Parking position.Camera parking stall
Whether detector on intelligent vision parser automatic identification parking stall based on having parked vehicle and the license plate number to park cars
Code, available for the various parking lots such as outdoor, interior, but outdoor version camera parking space detector is to ensure environmental suitability, price
It is the 2 times or more of geomagnetic parking stall detector.
Meanwhile all parking space detector does not support normative detection function of stopping at present, that is, park cars whether position
In the stop line delimited in parking lot, cause vehicle parking lack of standardization, influence the vehicle normal pass in other disengaging parking lots, it is more
Prevented dependent on manual inspection and corrected, for roadside outdoor version parking lot, maintained the parking order of specification, be even more government
The very urgent management requirement of authorities.Although camera parking space detector can be upgraded by visual analysis algorithm supports parking
Normalization detection, but upgrade cost is higher.
The content of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of for detection outdoor parking space automatically
Parking stall it is whether occupied and park cars whether be located at parking stall correspond to delimit stop line in stall testing apparatus.
According to technical solution provided by the utility model, a kind of outdoor version laser stall testing apparatus, including；It is rotatable to swash
Ligh-ranging unit, main control unit, power supply unit and communication unit, the main control unit is with rotating laser distance measuring unit with communicating
Unit is electrically connected；
The rotating laser distance measuring unit includes rotating laser rangefinder, the camera lens of the rotating laser rangefinder
Range laser can be emitted around camera lens axis reciprocating rotation and to parking stall to be measured at M specified angle position, it is described rotatable
The measurement distance data that laser ranging unit can collect at each specified angle position；
The main control unit includes calling module and N number of preconfigured specified angle control module, states calling module energy
It is enough to call the specified angle control module successively；N number of specified angle control module is corresponding with M specified angle position；
The calling module can obtain the measurement distance data in each specified angle control module；
The power supply unit including rechargeable battery, is responsible for providing the working power needed for laser stall testing apparatus；
Communication unit, the communication unit are interconnected by network and customer terminal equipment.
Further, the range laser, which falls the line of the point on the parking stall to be measured of idle state, can form one section of circle
Arc；The range laser that the circular arc both ends can be irradiated to corresponds to minimum specified angle position and maximum specified angle position respectively
It puts, before the range laser that rotary laser distance measuring unit emits at the minimum specified angle position can be irradiated to parking stall
Stop line, the range laser that rotary laser distance measuring unit emits at the maximum specified angle position can be irradiated to parking stall
Afterwards on stop line.
Further, angle parameter and Prediction distance parameter, institute are set in each specified angle control module
The angle parameter in each specified angle control module, Prediction distance parameter and each specified angle position is stated mutually to correspond to,
Prediction distance parameter wherein perpendicular to parking stall direction is preset, the Prediction distance ginseng at other M-1 specified angle position
Number dynamic calculates generation.
Further, effective distance parameter is equipped in the calling module, the effective distance parameter is close to laser vehicle
Minimum distance between the stop line of level detecting apparatus one side and laser stall testing apparatus.
Further, deviation detection thresholding is equipped in the calling module, the deviation detection thresholding does not deflect away from for vehicle
Vertical range during stop port line between vehicle right side and laser stall testing apparatus.
Further, rain and snow is installed at the rotating laser rangefinder lens location of the rotating laser distance measuring unit
Cover, the rain and snow cover use not hydrophilic not oleophylic material, including upper rain and snow cover and lower rain and snow cover, the upper rain and snow cover
Gap is left between lower rain and snow cover so that the range laser of rotating laser distance measuring unit transmitting can pass through the sky
Gap.
Outdoor version laser stall testing apparatus provided by the utility model is can be seen that from the above, with the prior art
Compared to possessing advantages below：First, the laser range sensor based on low cost, realizes the automatic of Outdoor Parking bit occupancy state
Detection, cost is slightly below geomagnetic parking stall detector, far below camera parking space detector.Second, by setting laser ranging list
Member multiple fixed rotation angles, can detect automatically parking whether specification, reduce manual inspection cost, help to safeguard
Livable orderly parking environment and good city appearance.Third, by calling module to multiple specified angles in main control unit
The concentration of control module is called and the wherein setting of angle parameter and Prediction distance parameter, to control laser ranging unit foundation
Angle parameter rotates multiple specified angles so that technical staff is more convenient the parameter setting of equipment.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the usage state diagram of the utility model.
Fig. 3 is the detection method flow chart of the utility model.
1. rotating laser distance measuring unit, 2. main control units, 3. power supply units, 4. communication units, rain and snow cover under 5-1.,
The upper rain and snow covers of 5-2,6. laser stall testing apparatus.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to the direction in attached drawing.
A kind of outdoor version laser stall testing apparatus, the laser stall testing apparatus 6 are deployed in parking stall center to be measured
Side, as shown in Figure 1, by taking laser stall testing apparatus 6 is installed on the right side of parking stall as an example, the parking stall includes preceding parking
Line, rear stop line, stop port line and right stop line.
The laser stall testing apparatus 6 includes；Rotating laser distance measuring unit 1, main control unit 2, power supply unit 3 and logical
Believe unit 4, the main control unit 2 is electrically connected with rotating laser distance measuring unit 1 with communication unit 4.
The finding range of laser ranging unit 1 described in the rotating laser distance measuring unit 1 is not less than 5 meters, and measures and miss
Difference is no more than 5mm, and including rotating laser rangefinder, the camera lens of the rotating laser rangefinder can be reciprocal around camera lens axis
It rotates and emits range laser to parking stall to be measured at M specified angle position, the M is described rotatable sharp more than or equal to 6
The measurement distance data that ligh-ranging unit 1 can collect at each specified angle position, the range laser fell in the free time
The line of point on the parking stall to be measured of state can form one section of circular arc, can be irradiated to the range laser point at the circular arc both ends
Not Dui Ying minimum specified angle position and maximum specified angle position, rotary laser distance measuring unit is in the minimum specified angle position
The range laser of the place's of putting transmitting can be irradiated to the preceding stop line on parking stall, and rotary laser distance measuring unit is at the maximum specified angle
The range laser emitted at degree position can be irradiated to behind parking stall on stop line；The length of the left and right stop line on the parking stall
It spends for twice of forward and backward parking stall.
The main control unit 2 include calling module and N number of preconfigured specified angle control module, the N be more than etc.
In 6, N number of specified angle control module is corresponding with M specified angle position.In each specified angle control module
It is set with angle parameter and Prediction distance parameter, angle parameter, Prediction distance ginseng in each specified angle control module
Number is mutually corresponding with each specified angle position.Each angle parameter enables to specified angle control module being capable of root
Specified angle position corresponding with the angle parameter is turned to according to angle parameter therein control rotating laser distance measuring unit 1
It puts, wherein the Prediction distance parameter perpendicular to parking stall direction is preset, is defaulted as 1.5 meters, the basis is perpendicular to parking stall side
To Prediction distance parameter for judging whether parking stall occupied, the Prediction distance parameter at other M-1 specified angle position
Generation is calculated according to angle parameter and the actual measurement distance dynamic state of parameters perpendicular to parking stall direction.
The calling module can call the specified angle control module successively；Calling module calls specified angle control
The order of module is：It is called successively to maximum from specified angle control module corresponding with minimum specified angle position and specifies angle
The corresponding specified angle control module in position is spent, then again from specified angle control module corresponding with maximum specified angle position
Extremely specified angle control module corresponding with minimum specified angle position is called successively, and so on cycle calling.It is each to specify
Angle control module can control rotating laser distance measuring unit 1 to turn to specify corresponding with the specified angle control module
Angular position can control rotating laser distance measuring unit 1 to emit range laser at the specified angle position, and obtain
The measurement distance data that laser ranging unit collects at corresponding specified angle position.
Effective distance parameter is equipped in the calling module, the effective distance parameter is close to laser stall testing apparatus
Minimum distance between the stop line of 6 one sides and laser stall testing apparatus 6.The calling module can obtain each specified angle
Spend the measurement distance data in control module.
Deviation detection thresholding is additionally provided in the calling module, the deviation detection thresholding does not deflect away from stop port line for vehicle
When vehicle right side and laser stall testing apparatus between vertical range, deviation detection thresholding for effective distance parameter add 0.5
Rice.
The power supply unit 3 including rechargeable battery, is responsible for providing the working power needed for laser stall testing apparatus 6,
Battery operating voltage is defaulted as 9V；
Communication unit 4, the communication unit 4 are interconnected by network and customer terminal equipment, led to using 433M private radios
Believe chip or Zigbee wireless networkings chip or NB-IoT narrowbands Internet of Things（Narrow Band-Internet of Things）
Communication chip.
Rain and snow cover is installed at the rotating laser rangefinder lens location of the rotating laser distance measuring unit 1, it is described
Rain and snow cover is used to prevent the signal that laser ranging unit emits under outdoor sleety weather from stopping influence measurement accuracy by sleet,
Including upper rain and snow cover 5-2 and lower rain and snow cover 5-1, sky is left between the upper rain and snow cover 5-2 and lower rain and snow cover 5-1
Gap so that the range laser that rotating laser distance measuring unit 1 emits can pass through the gap.The use of rain and snow cover is not hydrophilic not
Oleophylic material can avoid rainwater, ice and snow, greasy dirt etc. from being adhered to rain and snow cover upper surface or edge.Upper rain and snow cover 5-2 is used for
Prevent the sleet vertically fallen, the cover that sleets is used to prevent the sleet that vehicle is splash and the sleet that wind rises.
Preferably, as shown in Fig. 2, upper rain and snow cover 5-2 is different from the length that lower rain and snow cover 5-1 stretches out, prevent in increase
Sleet cover 5-2 and the distance at lower rain and snow cover 5-1 edges avoid with lower preventing since rainwater tension resides at upper rain and snow cover 5-2
At gap between sleet cover 5-1.
Based on outdoor version laser stall testing apparatus 6 as described above, as shown in figure 3, Outdoor Parking position detecting method has
Body step is as follows：
Step 1：Laser stall testing apparatus 6 is installed, the laser stall testing apparatus 6 is deployed in parking stall to be measured
The side at center, and the vertical range on the laser stall testing apparatus 6 and ground is 0.5 ~ 0.7m, preferably 0.6m；And
Range laser that rotating laser rangefinder in rotating laser distance measuring unit 1 is launched at each specified angle position with
Angle between horizontal plane is 15 ~ 20 °, preferably 16 °.
Step 2：Set effective distance parameter, the Prediction distance parameter perpendicular to parking stall direction, deviation detection thresholding and
Angle parameter in each specified angle control module；Specified angle control module enable according to angle parameter control therein
Rotating laser distance measuring unit 1 processed turns to specified angle position corresponding with the angle parameter.
Step 3：Laser stall testing apparatus 6 is made to be at the specified angle position in parking direction, carries out the cycle
Ranging；The ranging cycle of laser ranging unit is defaulted as 1 minute, can pass through the channel radio of outdoor version laser stall testing apparatus 6
Letter unit 4 carries out remotely located.
Step 4：Main control unit 2 judges the relation between collected measurement distance data and effective distance parameter, from
And judge whether laser stall testing apparatus 6 is subject to the interference of external environment, it is necessary to carry out manual cleaning；When laser parking stall is examined
When survey device 6 is disturbed be subject to external environment, each measurement distance will be continuously less than the effective distance, when laser parking stall is examined
When survey device 6 is not affected by the interference of external environment, each measurement distance will persistently be more than the effective distance.
Step 5：Main control unit 2 judges the measurement distance number at the specified angle position in parking direction collected
According to the relation between the Prediction distance parameter at the specified angle position in parking direction, so as to judge tested parking stall
It is whether occupied.
Step 6：Once main control unit 2 is judged in the measurement distance number at the specified angle position in parking direction
According to less than the default Prediction distance parameter at the specified angle position in parking direction, rotating laser distance measuring unit 1 exists
It is continuously measured R times at the specified angle position, the R is defaulted as 5 more than or equal to 2, R, when the difference of continuous R times measurement is less than
During 0.02m, then judge that tested parking stall is occupied, at this time if normal to measurement at the specified angle position in parking direction
Distance is more than deviation detection thresholding, then is judged as that vehicle deviates from stop port line, and reenters cycle distance measuring states, otherwise,
The state on the tested parking stall is set to occupied state；Prediction distance based on angle parameter and perpendicular to parking stall direction is joined
Number, estimate the Prediction distance parameter at remaining M-1 specified angle position, then successively at M specified angle position into
Row ranging gathers M measurement distance data corresponding with specified angle position simultaneously.
Step 7：Main control unit 2 according to M measurement distance data, angle parameter corresponding with each measurement distance data,
Prediction distance parameter corresponding with each measurement data and effective distance parameter judge whether vehicle is parked in parking stall
In stop line, and calculate the body sway degree to park cars.When the measurement distance data measured at minimum specified angle
Less than or equal to corresponding Prediction distance parameter, then judge that vehicle parking is excessively forward；When what is measured at maximum specified angle
Measurement distance data are less than or equal to corresponding Prediction distance parameter, then judge vehicle parking excessively rearward.Remove minimum specify
Other specified angle positions beyond angle position, maximum specified angle position and intermediate specified angle position, which should be guaranteed that, works as
At the center of parking stall, can measure the car body M-3 apart from outdoor version stall testing apparatus has the shortest vehicle parking of length
Imitate distance, accordingly even when the shortest vehicle of length is not parked in parking stall central area, can also detect M-4 effectively away from
From convenient for estimating the inclined degree of vehicle parking.
Step 8；After completing the normative detection of parking, outdoor version laser stall testing apparatus 6 reenters cycle ranging work
Make state.
Those of ordinary skills in the art should understand that：The foregoing is merely specific embodiment of the utility model
, it is not intended to limit the utility model, all any modifications within the purport of the utility model, made, equivalent substitution change
Into etc., it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of outdoor version laser stall testing apparatus, which is characterized in that including；Rotating laser distance measuring unit（1）, master control list
Member（2）, power supply unit（3）And communication unit（4）, the main control unit（2）With rotating laser distance measuring unit（1）With communication unit
Member（4）Electrical connection；
The rotating laser distance measuring unit（1）Including rotating laser rangefinder, the camera lens of the rotating laser rangefinder
Range laser can be emitted around camera lens axis reciprocating rotation and to parking stall to be measured at M specified angle position, it is described rotatable
Laser ranging unit（1）The measurement distance data that can be collected at each specified angle position；
The main control unit（2）Including calling module and N number of preconfigured specified angle control module, the calling module energy
It is enough to call the specified angle control module successively；N number of specified angle control module is corresponding with M specified angle position；
The calling module can obtain the measurement distance data in each specified angle control module；
The power supply unit（3）, including rechargeable battery, it is responsible for providing the working power needed for laser stall testing apparatus；
Communication unit（4）, the communication unit（4）It is interconnected by network and customer terminal equipment.
2. outdoor version laser stall testing apparatus as described in claim 1, which is characterized in that the range laser fell in the free time
The line of point on the parking stall to be measured of state can form one section of circular arc；The range laser point at the circular arc both ends can be irradiated to
Not Dui Ying minimum specified angle position and maximum specified angle position, rotary laser distance measuring unit is in the minimum specified angle position
The range laser of the place's of putting transmitting can be irradiated to the preceding stop line on parking stall, and rotary laser distance measuring unit is at the maximum specified angle
The range laser emitted at degree position can be irradiated to behind parking stall on stop line.
3. outdoor version laser stall testing apparatus as described in claim 1, which is characterized in that each specified angle control
All it is set with angle parameter and Prediction distance parameter in module, it is angle parameter in each specified angle control module, pre-
It surveys distance parameter and each specified angle position mutually corresponds to, wherein the Prediction distance parameter perpendicular to parking stall direction is set in advance
Fixed, the Prediction distance dynamic state of parameters at other M-1 specified angle position calculates generation.
4. outdoor version laser stall testing apparatus as described in claim 1, which is characterized in that have in the calling module
Distance parameter is imitated, the effective distance parameter is that the stop line close to laser stall testing apparatus one side is filled with laser parking stall measure
Minimum distance between putting.
5. outdoor version laser stall testing apparatus as claimed in claim 4, which is characterized in that be equipped in the calling module inclined
From detection threshold, when the deviation detection thresholding does not deflect away from stop port line for vehicle vehicle right side and laser stall testing apparatus it
Between vertical range.
6. outdoor version laser stall testing apparatus as described in claim 1, which is characterized in that the rotating laser ranging list
Member（1）Rotating laser rangefinder lens location at rain and snow cover is installed, the rain and snow cover uses not hydrophilic not oleophylic material
Matter, including upper rain and snow cover（5-2）With lower rain and snow cover（5-1）, the upper rain and snow cover（5-2）With lower rain and snow cover（5-1）
Between leave gap so that rotating laser distance measuring unit（1）The range laser of transmitting can pass through the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432566.7U CN207409146U (en) | 2017-10-31 | 2017-10-31 | Outdoor version laser stall testing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432566.7U CN207409146U (en) | 2017-10-31 | 2017-10-31 | Outdoor version laser stall testing apparatus |
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| Publication Number | Publication Date |
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| CN207409146U true CN207409146U (en) | 2018-05-25 |
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| CN201721432566.7U Active CN207409146U (en) | 2017-10-31 | 2017-10-31 | Outdoor version laser stall testing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622693A (en) * | 2017-10-31 | 2018-01-23 | 南京维智感网络科技有限公司 | Outdoor version laser stall testing apparatus and its detection method |
| CN109213172A (en) * | 2018-09-26 | 2019-01-15 | 同济大学 | A kind of more sensor stream navigation system based on optical navigation device |
-
2017
- 2017-10-31 CN CN201721432566.7U patent/CN207409146U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622693A (en) * | 2017-10-31 | 2018-01-23 | 南京维智感网络科技有限公司 | Outdoor version laser stall testing apparatus and its detection method |
| CN107622693B (en) * | 2017-10-31 | 2023-05-23 | 南京维智感网络科技有限公司 | Outdoor type laser parking space detection device and detection method thereof |
| CN109213172A (en) * | 2018-09-26 | 2019-01-15 | 同济大学 | A kind of more sensor stream navigation system based on optical navigation device |
| CN109213172B (en) * | 2018-09-26 | 2021-06-04 | 同济大学 | Multi-sensor logistics navigation system based on optical navigation device |
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