CN201845367U - Passenger flow volume statistic device based on distance measurement sensor - Google Patents
Passenger flow volume statistic device based on distance measurement sensor Download PDFInfo
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- CN201845367U CN201845367U CN2010202814853U CN201020281485U CN201845367U CN 201845367 U CN201845367 U CN 201845367U CN 2010202814853 U CN2010202814853 U CN 2010202814853U CN 201020281485 U CN201020281485 U CN 201020281485U CN 201845367 U CN201845367 U CN 201845367U
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Abstract
The utility model relates to a passenger flow volume statistic device based on a distance measurement sensor, consisting of a statistic unit erecting above a pedestrian channel and a control unit connected with the statistic unit. A signal transmitting and receiving end face of the statistic unit just faces to the ground, and a distance is maintained between the signal transmitting and receiving end face of the statistic unit and the ground. The statistic unit transmits signals to the ground and measures the distance between the statistic unit per se and a reflector under the control of the control unit, the distance is changed along with the condition that whether pedestrians pass through and the heights of the pedestrians, and accordingly, the statistic of the passenger flow volume and the number of adults and children in the passenger flow volume is performed. In addition, by adopting the passenger flow volume statistic device, the advancing direction of the pedestrians can be obtained, and bidirectional passenger flow volume statistic is realized. The passenger flow volume statistic device has a simple principle, high cost performance and very high statistic precision in high-density passenger flow volume, is convenient to install without the influence of the environmental factors, and facilitates the capacity of accurately estimating the passenger flow.
Description
Technical field
The utility model relates to sensor and field of flow detection, is a kind of guest flow statistics device based on distance measuring sensor.
Background technology
In the megastore, business activity places such as supermarket, tourist attractions, the volume of the flow of passengers has directly reflected the management state of businessman, also is the important referential data that businessman manages and makes a strategic decision simultaneously.By reliable volume of the flow of passengers data, businessman can add up each regional customer quantity, rationally formulates each regional level of rent; The repayment that can assess various promotion strategy effectively and obtained, thus more reasonably promotion strategy formulated; Can distribute property to administer and maintain personnel more effectively, reduce cost of human resources; The volume of the flow of passengers also is that central air conditioner system is carried out the important evidence that resh air requirement is adjusted in real time simultaneously, can improve the air-conditioning system running efficiency effectively, realizes energy-saving and emission-reduction better.
Common in the market guest flow statistics system can be divided into based on the video detection system of camera with based on the detection system of photodetector according to the sensor of its use, and can be divided into multiple situations such as infrared light (active and passive), visible light, ultraviolet light based on the detection system of photodetector according to luminous wave band.The guest flow statistics system of releases such as Guangzhou martial prowess electronics technology company limited, Firs Technology Co., Ltd., Beijing safety video signal Science and Technology Ltd., the outstanding pavilion electronics technology company limited in Shanghai and Wenan, Beijing development in science and technology company limited all is based on the video detection system of Flame Image Process and recognition technology, and this system is subjected to that illumination condition changes, the influence of flow of the people dense degree greatly, can not in dark surrounds, use, degree of accuracy is subjected to the overlapping influence in counting region, algorithm is realized relative complex simultaneously, and price is more expensive.Canada INFODEV company, Beijing are received the guest flow statistics system of release such as hundred letter development in science and technology company limiteds and then are based on the detection system of active infrared or passive infrared.
By existing relevant patent is retrieved, adopt the volume of the flow of passengers detection system of Flame Image Process and recognition technology that the patented claim " based on the passenger flow volume detection method and the system of computer vision " [application number 200710041616.3] of people's submissions such as Liu of Tongji University is rich and powerful is arranged, the patented claim " a kind of real-time bus passenger flow volume statistical method " [application number 201010122682.5] that people such as patented claim " based on the people flow rate statistical method and system of intelligent video identification technology " [application number 200810037799.6] that people such as the Lin Weici of Xinlian-Weixun Science ﹠ Technology Development Co Ltd, Shanghai submit to and the mulberry planter of the Central China University of Science and Technology submit to etc.; The patented claim " public bus people flow rate counting device " [application number 200910153676.3] that the Zhang Tengfei of Hangzhou Liuyi Technology Co., Ltd. submits to, the utility model patent of Hao's name application " flow of the people monitoring device " [patent No. 200420113463.0] and " simple and easy flow of the people monitoring device " [patent No. 200620094109.7], the patented claim " remote detection system for indoor visitor flow rate of school place " [application number 200910155300.6] that people such as monarch Li Hao of Zhejiang Polytechnical University submit to, the patented claim " detection method of flow of the people " [application number 200910020967.5] that Zhang Gaojun submits to etc. then is based on the detection technique of photodetector; The patented claim " a kind of statistical processing methods of tourist flow data, system and server " [application number 200910106055.X] that people's submission such as triumph is thanked to by the utility model patent of the Shen Hong of Shanghai Jinyi Electronics TechnologyCo., Ltd. application " in the market or supermarket utilize the device of RFID stroke analysis customer flow " [patent No. 200920209555.1] and Shenzhen Fengtai Ruida Industrial Co., Ltd. then is based on the volume of the flow of passengers detection system of RFID technology; In addition, also has volume of the flow of passengers detection system, for example the patent of invention " with the device of counting passenger throughput of bus by electromagnetic detector " [patent No. 01137313.X] of people's application such as Nanjing Normal University's gate of a village state year based on electromagnetic induction principle.
The technical characterstic of the technical requirement of analysis-by-synthesis volume of the flow of passengers detection system and existing various solutions, can draw volume of the flow of passengers detection system has following several technological difficulties: 1. many people and the accurate counting that discharges into; 2. the accurate counting of high density passenger flow; 3. pass in and out two-way counting; 4. solution Effect of Environmental.The volume of the flow of passengers system of employing Flame Image Process and recognition technology can solve the accurate counting of low-density passenger flow well, simultaneously can discern direct of travel, but lower, and be subjected to such environmental effects such as illumination easily for high density passenger flow accuracy of detection, and the algorithm realization is complicated, and cost is higher.Though and be not subject to Effect of Environmental based on the volume of the flow of passengers detection system of photodetector, be difficult to accomplish accurate counting for highdensity passenger flow, also distinguish simultaneously direct of travel not too easily.
The utility model content
The purpose of this utility model is intended to solve the several technological difficulties in the volume of the flow of passengers detection system, and a kind of new volume of the flow of passengers pick-up unit based on distance measuring sensor is provided.
For reaching described purpose, the guest flow statistics device based on distance measuring sensor of the present utility model is made up of statistic unit that is erected at the walkway top and coupled control module, wherein:
The signal emitting facet of statistic unit and reception end face are placed over against ground, and have a distance between statistic unit and the ground, and the input/output terminal of statistic unit is connected with the input/output terminal of control module;
Control module has a power supply and is himself and statistic unit power supply, in addition, control, communication, the information to statistic unit that also is used to control module to realize reads and deals with the work, and control module also provides communication interface for external call or provide network interface for networking.
Preferred embodiment, statistic unit is arranged by a plurality of identical range cells and is formed, the average shoulder breadth that the projected length of distance on pedestrian's channel width direction between per two adjacent range cells equals to be grown up, the number of range cells is obtained divided by average shoulder breadth by the width of walkway.
Preferred embodiment, the height between statistic unit and the ground are doorframe or the ceiling top height to ground, are 2 meters～4.5 meters.
Preferred embodiment, the input/output terminal of a plurality of range cells adopt parallel way or communication bus mode to be connected with control module, are used for volume of the flow of passengers addition and obtain total volume of the flow of passengers; Described each range cells is measured himself distance to reflecting body, is used to obtain the volume of the flow of passengers of single range cells and pedestrian's height data, is used for adding up volume of the flow of passengers adult and children's quantity.
Preferred embodiment, control module is made up of processor module, communication module and power module, the input end of processor module is connected with input end with the output terminal of statistic unit respectively with output terminal, and the information that processor module sends over all range cells is handled and gathered; Power module is connected with the feeder ear of processor module, communication module, is used to processor module, communication module power supply, and is connected with the feeder ear of statistic unit by pair of terminals, is the statistic unit power supply; The input end of communication module is connected with the output terminal of processor module, and the communications network interface that communication module has can be any in Ethernet, GPRS network, RS485, the WLAN (wireless local area network), or the communications network interface of described any above combination.
Preferred embodiment, each range cells is used distance measuring sensor, be used under the control of control module, down transmitting earthward, and stop timing, calculate the distance of distance measuring sensor to reflecting body by control module at the moment notice control module that reflected signal arrives from the sensor of finding range.
Preferred embodiment, each range cells is made up of distance measuring sensor and A processor module, and the input end of A processor module is connected with input end with the output terminal of distance measuring sensor respectively with output terminal; Distance measuring sensor down transmits earthward from the sensor of finding range under the control of A processor module, and stops timing at the moment notice A processor module that reflected signal arrives, and calculates the distance of distance measuring sensor to reflecting body by the A processor module.
Preferred embodiment, described distance measuring sensor are any contactless distance measuring sensors.Described contactless distance measuring sensor can be ultrasonic range finder sensor or laser range sensor.
Preferred embodiment, described distance measuring sensor is made up of a transmitter and two receivers, two receiver symmetries are positioned over the both sides of transmitter, the orientation of transmitter and two receivers is consistent with the walkway direction, transmitter transmits downwards with certain scattering angle, receive the precedence relationship of reflected signal according to two receivers, obtain pedestrian's direct of travel.
Preferred embodiment, described distance measuring sensor is made up of two range finding modules, be separated by between a module distance and place of range finding along the walkway direction, the range finding module while earthward direction transmit, receive time of reflected signal according to each range finding module, obtain pedestrian's direct of travel.
Adopt volume of the flow of passengers pick-up unit of the present utility model to have following beneficial effect:
Statistical precision is higher during the high density passenger flow.Adopting passenger flow pick-up unit of the present utility model is to judge whether that to self distance the someone passes through by the object of measuring its below.Even and high density passenger flow, when seeing from top to bottom, the also situation that seldom has health to be blocked above the waist, thereby to be reflected in range finding from everyone of its below process all be an extraordinary crest of discrimination or trough on the curve, can be detected well, thereby statistical precision is higher during the high density passenger flow.
Help to estimate exactly the consuming capacity of passenger flow.Because passenger flow pick-up unit of the present utility model is to have judged whether people's process by measuring distance, and adult and children's height differs greatly, thereby can judge that roughly process person is adult or children according to the distance of measuring.And in occasions such as market, supermarkets, children follow the adult to enter, and itself is consuming capacity not, thereby adopt passenger flow pick-up unit of the present utility model can exclude the volume of the flow of passengers of the no consuming capacity of a part well.
In addition, adopt passenger flow pick-up unit of the present utility model to have also that easy for installation, principle is simple, low cost and other advantages.
Description of drawings
The system chart of Fig. 1 guest flow statistics device based on distance measuring sensor of the present utility model;
First embodiment of Fig. 2 control module of the present utility model and range cells;
Second embodiment of Fig. 3 control module of the present utility model and range cells;
Fig. 4 first embodiment that distinguishes the distance measuring sensor of direct of travel of the present utility model;
Fig. 5 second embodiment that distinguishes the distance measuring sensor of direct of travel of the present utility model.
Embodiment
Provide some specific embodiments with regard to various aspects of the present utility model below:
The system chart of the guest flow statistics device based on distance measuring sensor of the present utility model as shown in Figure 1, mainly form by statistic unit 1 that is erected at the walkway top and coupled control module 2, the signal emitting facet of statistic unit 1 and reception end face are placed over against ground, and have a distance between statistic unit 1 and the ground, the input/output terminal of statistic unit 1 is connected with the input/output terminal of control module 2; Control module 2 has a power supply and is himself and statistic unit 1 power supply, in addition, control, communication, the information to statistic unit 1 that also is used to control module 2 to realize reads and deals with the work, and control module 2 also provides communication interface for external call or provide network interface for networking.Statistic unit 1 is perpendicular to walkway direction and placement parallel to the ground, usually approximate doorframe or ceiling height with the height on ground to ground, promptly be approximately 2～4.5 meters, statistic unit 1 is formed by range cells 11,12,13,14 equidistant arrangements, and be located on the same line the average shoulder breadth that the distance between per two adjacent range cells equals to be grown up.The number of range cells is 4 in the present embodiment, and in actual use, the number of range cells should be obtained divided by the average shoulder breadth of being grown up by the width of walkway.Control module 2 provides power supply for statistic unit 1, and control, communication, the information to statistic unit 1 finished reads and deals with the work, and control module 2 should also provide communication interface for external call or provide network interface for networking.The setting of range cells is not limited only to range cells 11,12,13,14 these quantity, according to the width of walkway the quantity of range cells is set, and does not repeat them here.
Each range cells in the statistic unit 1 transmits from top to bottom, and measures himself distance to the reflecting body that is positioned at its below.When not having pedestrian's process, this distance should equal the height of range cells to ground, and under range cells, the people is arranged through out-of-date, the distance of measuring should be the distance of certain position (head or shoulder) of people to range cells, approximate the height that range cells height overhead deducts the pedestrian, just can judge by this information whether people's process is arranged, further can calculate pedestrian's height, judge that process person is adult or children.Range cells can directly send to control module 2 with the range information that records and handle, and has judged whether that by control module 2 people's process and process person are adult or children; Perhaps range cells self information of adjusting the distance is handled, and has judged whether that people's process and process person are adult or children, further the real consumption ability of the volume of the flow of passengers is made assessment.In addition, each range cells can also be distinguished pedestrian's working direction, realizes two-way guest flow statistics.The information that control module 2 sends over all range cells in the statistic unit 1 is handled and is gathered, and draws the volume of the flow of passengers information by this section, sends to the server of far-end by communication bus or network interface.Described reflecting body is pedestrian, ground or the object in the walkway.
Because the range cells 11,12,13,14 in the statistic unit 1 all has identical functions and structure, is the embodiment that example provides two specific embodiments and corresponding control module 2 with range cells 11 below.
Embodiment one: as shown in Figure 2, range cells 11 is made of ultrasonic range finder sensor 111, and control module 2 is by processor module 21, and communication module 22 and power module 23 are formed.Processor module 21 control ultrasonic range finder sensors 111 send a ultrasonic pulse, and the enabling counting device, when ultrasonic range finder sensor 111 received echoed signal, notification processor module 21 stopped counting, and calculate the corresponding time, calculate range information according to hyperacoustic velocity of propagation.In the present embodiment, range finder module 11 is just finished hyperacoustic transmission and echo receiving function, the calculating of range information and processing all are to be finished by the processor module in the position control module 2 21, in the time of a plurality of range cells, adopt a kind of time-multiplexed mode to work.Distance measuring sensor 111 can also be the contactless distance detecting module of laser ranging module or other types, and the network interface that communication module 22 provides can be the communications network interface of Ethernet, GPRS, WLAN (wireless local area network) or other types.
Embodiment two: as shown in Figure 3, range cells 11 is made up of distance measuring sensor 111 and A processor module 112, and control module 2 is by processor module 21, and communication module 22 and power module 23 are formed.Distance measuring sensor 111 is finished the measurement of distance under the control of A processor module 112, A processor module 112 information of adjusting the distance are handled, judged whether that people's process and process person are adult or children, result after handling is sent to processor module 21 in the control module 2 by communication bus, the information that 21 pairs of all range cells of processor module send over gathers, and draws the volume of the flow of passengers information by this section.Distance measuring sensor 111 can be the supersonic sounding module, also can be the contactless distance detecting module of laser ranging module or other types, the network interface that communication module 22 provides can be the communications network interface of Ethernet, GPRS, WLAN (wireless local area network) or other types.
Provide two specific embodiments that can distinguish the distance measuring sensor 111 of direct of travel below.
Embodiment one: as shown in Figure 4, distance measuring sensor 111 is made up of ultrasonic transmitter 1111 and ultrasonic receiver 1112 and 1113, and ultrasonic receiver 1112 and 1113 is positioned at the both sides of ultrasonic transmitter 1111, and orientation is consistent with pedestrian advancing direction.The ultrasonic pulse that ultrasonic transmitter 1111 sends is propagated downwards with certain scattering angle, running into reflecting body (for example people's head) reflects afterwards, transmitted wave is also propagated according to certain scattering angle, received by ultrasonic receiver 1112 and 1113 respectively, because the distance of ultrasonic propagation is different, thereby ultrasonic receiver 1112 and 1113 times of receiving echoes also have have earlier after, for example work as the pedestrian from left to right through out-of-date, should be that ultrasonic receiver 1112 receives echo earlier, otherwise ultrasonic receiver 1113 receives echo earlier.Therefore, can draw the direction that the pedestrian advances according to ultrasonic receiver 1112 and 1113 precedence relationships that receive echo.
Embodiment two: as shown in Figure 5, distance measuring sensor 111 is made up of two modules 1111 and 1112 of independently finding range, both at intervals arrange along the direction that the pedestrian advances, should select more greatly for the sensor distance that scattering angle is big, and can be smaller for the little sensor distance of scattering angle, with two modules interference not taking place is as the criterion.Range finding module 1111 and 1112 transmits downwards simultaneously and waits for the arrival of reflected signal, if the pedestrian passes through from left to right, the module 1111 of finding range so receives the time of reflected signal and should in view of the above, just can judge the direction that the pedestrian advances less than 1112 times that receive reflected signal.
The above; it only is the embodiment in the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; can understand conversion or the replacement expected; all should be encompassed in of the present utility model comprising within the scope, therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (11)
1. the guest flow statistics device based on distance measuring sensor is characterized in that, form by statistic unit that is erected at the walkway top and coupled control module, wherein:
The signal emitting facet of statistic unit and reception end face are placed over against ground, and have a distance between statistic unit and the ground, and the input/output terminal of statistic unit is connected with the input/output terminal of control module;
Control module has a power supply and is himself and statistic unit power supply, in addition, control, communication, the information to statistic unit that also is used to control module to realize reads and deals with the work, and control module also provides communication interface for external call or provide network interface for networking.
2. the guest flow statistics device based on distance measuring sensor according to claim 1, it is characterized in that, statistic unit is arranged by a plurality of identical range cells and is formed, the average shoulder breadth that the projected length of distance on pedestrian's channel width direction between per two adjacent range cells equals to be grown up, the number of range cells is obtained divided by average shoulder breadth by the width of walkway.
3. the guest flow statistics device based on distance measuring sensor according to claim 1 is characterized in that, the height between statistic unit and the ground is doorframe or the ceiling top height to ground, is 2 meters～4.5 meters.
4. the guest flow statistics device based on distance measuring sensor according to claim 1 is characterized in that, the input/output terminal of a plurality of range cells adopts parallel way or communication bus mode to be connected with control module, is used for volume of the flow of passengers addition and obtains total volume of the flow of passengers; Described each range cells is measured himself distance to reflecting body, is used to obtain the volume of the flow of passengers of single range cells and pedestrian's height data, is used for adding up volume of the flow of passengers adult and children's quantity.
5. the guest flow statistics device based on distance measuring sensor according to claim 1, it is characterized in that, control module is made up of processor module, communication module and power module, the input end of processor module is connected with input end with the output terminal of statistic unit respectively with output terminal, and the information that processor module sends over all range cells is handled and gathered; Power module is connected with the feeder ear of processor module, communication module, is used to processor module, communication module power supply, and is connected with the feeder ear of statistic unit by pair of terminals, is the statistic unit power supply; The input end of communication module is connected with the output terminal of processor module, the communications network interface that communication module has can be any in Ethernet, GPRS network, RS485, the WLAN (wireless local area network), or the communications network interface of described any above combination.
6. the guest flow statistics device based on distance measuring sensor according to claim 2, it is characterized in that, each range cells is used distance measuring sensor, be used under the control of control module, down transmitting earthward from the sensor of finding range, and stop timing at the moment notice control module that reflected signal arrives, calculate the distance of distance measuring sensor by control module to reflecting body.
7. the guest flow statistics device based on distance measuring sensor according to claim 2, it is characterized in that, each range cells is made up of distance measuring sensor and A processor module, and the input end of A processor module is connected with input end with the output terminal of distance measuring sensor respectively with output terminal; Distance measuring sensor down transmits earthward from the sensor of finding range under the control of A processor module, and stops timing at the moment notice A processor module that reflected signal arrives, and calculates the distance of distance measuring sensor to reflecting body by the A processor module.
8. according to claim 5 or 6 described guest flow statistics devices, it is characterized in that described distance measuring sensor is any contactless distance measuring sensor based on distance measuring sensor.
9. the guest flow statistics device based on distance measuring sensor according to claim 8 is characterized in that described contactless distance measuring sensor can be ultrasonic range finder sensor or laser range sensor.
10. according to claim 5 or 6 described guest flow statistics devices based on distance measuring sensor, it is characterized in that, described distance measuring sensor is made up of a transmitter and two receivers, two receiver symmetries are positioned over the both sides of transmitter, the orientation of transmitter and two receivers is consistent with the walkway direction, transmitter transmits downwards with certain scattering angle, receives the precedence relationship of reflected signal according to two receivers, obtains pedestrian's direct of travel.
11. according to claim 5 or 6 described guest flow statistics devices based on distance measuring sensor, it is characterized in that, described distance measuring sensor is made up of two range finding modules, be separated by between a module distance and place of range finding along the walkway direction, the range finding module simultaneously earthward direction transmit, receive time of reflected signal according to each range finding module, obtain pedestrian's direct of travel.
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| CN2010202814853U CN201845367U (en) | 2010-08-04 | 2010-08-04 | Passenger flow volume statistic device based on distance measurement sensor |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102184587A (en) * | 2011-06-01 | 2011-09-14 | 洞头县亿纬自动化设备厂 | Light curtain type passenger flow counter |
| CN102306330A (en) * | 2011-08-02 | 2012-01-04 | 北京北大千方科技有限公司 | Laser passenger flow detection method and device |
| CN103345792A (en) * | 2013-07-04 | 2013-10-09 | 南京理工大学 | Sensor-depth-of-field-image-based passenger flow statistics device and method thereof |
| CN103426020A (en) * | 2013-08-14 | 2013-12-04 | 北京凯森世纪科技发展有限公司 | Exclusive infrared passenger flow counter |
| CN103475872A (en) * | 2013-10-02 | 2013-12-25 | 哈尔滨理工大学 | Railway abnormal object detecting device based on cloud vision |
| CN103714604A (en) * | 2013-12-26 | 2014-04-09 | 苏州清研微视电子科技有限公司 | Bus passenger flow statistics system based on ultrasonic sensor |
| CN103942865A (en) * | 2014-04-18 | 2014-07-23 | 上海交通大学 | Subway ticket evasion preventing system based on ultrasonic sensor and design method thereof |
| CN104658103A (en) * | 2015-02-03 | 2015-05-27 | 中钞长城金融设备控股有限公司 | Device for counting sheet materials falling in bin based on ranging principle |
| CN104867204A (en) * | 2014-02-20 | 2015-08-26 | 兰州交通大学 | Ultrasonic sensor array type automatic people counting detection system |
| CN105842704A (en) * | 2016-03-17 | 2016-08-10 | 江苏汉德天坤数字技术有限公司 | Intelligent passenger flow classification statistics system based on laser ranging and method thereof |
| CN106406170A (en) * | 2016-09-07 | 2017-02-15 | 淮南市农康文化传媒有限公司 | Remote elevator billboard control system |
| CN108665051A (en) * | 2018-06-06 | 2018-10-16 | 东北林业大学 | A kind of bus passenger flow amount statistical method based on electro-optical distance measurement sensor |
| CN108830231A (en) * | 2018-06-21 | 2018-11-16 | 芜湖宝文信息科技有限公司 | The statistics equipment of people information statistics for height classification |
| CN109322258A (en) * | 2018-08-09 | 2019-02-12 | 徐州市铜山区汉王旅游开发有限公司 | A kind of tourist attraction is anti-to trample device |
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| CN112040398A (en) * | 2020-08-14 | 2020-12-04 | 上海数川数据科技有限公司 | Passenger flow volume statistical method based on RSSI fluctuation characteristics |
| CN114170712A (en) * | 2021-12-31 | 2022-03-11 | 西安华腾物联网有限责任公司 | Porch counting device and method for counting number of people coming in and going out |
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- 2010-08-04 CN CN2010202814853U patent/CN201845367U/en not_active Expired - Fee Related
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| CN102184587A (en) * | 2011-06-01 | 2011-09-14 | 洞头县亿纬自动化设备厂 | Light curtain type passenger flow counter |
| CN102306330B (en) * | 2011-08-02 | 2014-10-29 | 北京北大千方科技有限公司 | Laser passenger flow detection method and device |
| CN102306330A (en) * | 2011-08-02 | 2012-01-04 | 北京北大千方科技有限公司 | Laser passenger flow detection method and device |
| CN103345792A (en) * | 2013-07-04 | 2013-10-09 | 南京理工大学 | Sensor-depth-of-field-image-based passenger flow statistics device and method thereof |
| CN103345792B (en) * | 2013-07-04 | 2016-03-02 | 南京理工大学 | Based on passenger flow statistic device and the method thereof of sensor depth image |
| CN103426020A (en) * | 2013-08-14 | 2013-12-04 | 北京凯森世纪科技发展有限公司 | Exclusive infrared passenger flow counter |
| CN103475872A (en) * | 2013-10-02 | 2013-12-25 | 哈尔滨理工大学 | Railway abnormal object detecting device based on cloud vision |
| CN103714604A (en) * | 2013-12-26 | 2014-04-09 | 苏州清研微视电子科技有限公司 | Bus passenger flow statistics system based on ultrasonic sensor |
| CN103714604B (en) * | 2013-12-26 | 2016-03-30 | 苏州清研微视电子科技有限公司 | Based on the bus passenger flow statistical system of ultrasonic sensor |
| CN104867204A (en) * | 2014-02-20 | 2015-08-26 | 兰州交通大学 | Ultrasonic sensor array type automatic people counting detection system |
| CN103942865A (en) * | 2014-04-18 | 2014-07-23 | 上海交通大学 | Subway ticket evasion preventing system based on ultrasonic sensor and design method thereof |
| CN104658103A (en) * | 2015-02-03 | 2015-05-27 | 中钞长城金融设备控股有限公司 | Device for counting sheet materials falling in bin based on ranging principle |
| CN105842704B (en) * | 2016-03-17 | 2019-01-01 | 江苏汉德天坤数字技术有限公司 | A kind of intelligent flow of the people statistic of classification system and method based on laser ranging |
| CN105842704A (en) * | 2016-03-17 | 2016-08-10 | 江苏汉德天坤数字技术有限公司 | Intelligent passenger flow classification statistics system based on laser ranging and method thereof |
| CN106406170A (en) * | 2016-09-07 | 2017-02-15 | 淮南市农康文化传媒有限公司 | Remote elevator billboard control system |
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