CN102118614A - Single-way embedded passenger flow analysis terminal - Google Patents
Single-way embedded passenger flow analysis terminal Download PDFInfo
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- CN102118614A CN102118614A CN 200910260776 CN200910260776A CN102118614A CN 102118614 A CN102118614 A CN 102118614A CN 200910260776 CN200910260776 CN 200910260776 CN 200910260776 A CN200910260776 A CN 200910260776A CN 102118614 A CN102118614 A CN 102118614A
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Abstract
The invention provides a single-way embedded passenger flow analysis terminal which is high in real-time property and accurate in data acquisition. The passenger flow terminal comprises a CPU (central processing unit), a video input device, a network interface module and a power supply module, wherein the CPU is used for processing and transmitting data, coordinating terminal tasks and controlling all interfaces; the video input device is used for acquiring real-time passenger flow video information and inputting the information to the CPU; the network interface module is connected with the CPU so as to transmit the acquired passenger flow video information to a server; and the power supply module provides power for the CPU as well as other interfaces and modules. The terminal can lead the acquisition of passenger flow information to be more accurate by the real-time video acquisition of passenger flow situations, and can transmit the video passenger flow information to the server by two means through a wireless local area network interface module and an Ethernet interface module. Therefore, the application range of the passenger flow terminal can be wider.
Description
Technical field
The present invention relates to a kind of terminal terminal, specifically, relate to the embedded passenger flow analysing terminal of a kind of single channel.
Background technology
Passenger flow analysing is important market survey means, is the link that external nearly all shopping center, market, large-scale chain business hall and chain commercial site all must be carried out before carrying out market and administrative decision.Along with the aggravation of competition, business model progressively by traditional tradesman to the transformation of doing business that has initiative, daily passenger flow feature analyzed seem particularly important.Domestic a lot of business decision person has recognized the importance of passenger flow data for Analysis of Policy Making at present, generally can adopt artificial mode to carry out the statistics of volume of the flow of passengers data and analyze in festivals or holidays, having some businessmans to adopt accuracy rate be that the very high infrared equipment that waits carries out long-term passenger flow quantitative statistics yet.The most valuable of volume of the flow of passengers data is the statistics of a chronicity in fact, and wherein trickle variation and the rule of discovery, connecting inner data with existing and necessary every data cross comparative analyses such as survey so just can provide strong foundation and means for decision-making.
Complicate statistics realizes that principle is by oral number or presses picture and " get counter ready " etc. type equipment writes down the number of turnover on a time period that its accurate rate is relevant with testing staff's sense of responsibility, and statistics has randomness.There is almost unpractical defective aspects such as the true and integrality of data, the management of historical data and analysis.When surveyed area width＞5 meter, the volume of the flow of passengers＞800 people/hour, one day overall accuracy is lower than 70%.A certain section time detecting got or by the part-time statistics of related work personnel by establishment officer.Can not generate automatically, need the data of complicate statistics are input in Microsoft Excel or other related software, and need the artificial required form that generates.
Infrared statistics realizes that principle is that being installed in this regional infrared ray can be interrupted when people's process surveyed area, and this can be registered as one and detect data, accurate rate 60%-80% does not wait, discrimination is not high, and the engineering statistics accuracy rate is a fuzzy problem, does not have comparativity.Can't distinguish people and other non-statistical object.Temporal analytical density can only be that unit adds up with sky, week generally.Data need distributed collection, and networking is not strong.Report form type is single, and form needs further arrangement of statistical department oneself, because the statistics accuracy rate is lower, multiple infrared detection modes such as Dan Shu, multi beam, passive infrared are seldom used at present.
Advanced passenger flow analysing is at developed countries such as America and Europe very general, also progressively a large amount of employing passenger flow analysis system of developed regions such as Singapore, Japan, Hong Kong in recent years.The passenger flow terminal mainly plays the effect of gathering passenger flow information, and it is the major part of passenger flow analysis system, and existing passenger flow terminal real-time is relatively poor, and information gathering is accurate inadequately.
Summary of the invention
The present invention has overcome the defective that prior art exists, and provides a kind of real-time height, the embedded passenger flow analysing terminal of the accurate single channel of data acquisition.
To achieve these goals, the present invention realizes by the following technical solutions:
The embedded passenger flow analysing terminal of a kind of single channel is characterized in that, comprising:
Carry out the CPU of data processing, transmission, terminal task coordination and the control of each interface;
The video input apparatus of gathering real-time passenger flow video information and importing to CPU;
Be connected the Network Interface Module that sends the passenger flow video information that collects to server with CPU;
The power module that CPU and other interfaces, module are powered.
Among the present invention, the nonvolatile storage of described CPU adopts NOR FLASH, to improve efficiency of transmission.
Be provided with reset circuit in the described CPU, so that CPU and other modules are resetted.
Described CPU is provided with RS232 and RS485 interface, to realize AccessPort and devices communicating.
Described CPU is provided with the analog video output interface, to realize the output of CVBS video.
Described video input apparatus adopts the mode that is embedded in to be arranged in the terminal, makes that the wiring of video input apparatus is easier, has saved the cost of wiring simultaneously.
Described video input signals is CVBS, is provided with between video input apparatus and the CPU multi-channel video input equipment to be collected real-time video information is imported CPU in one tunnel time-multiplexed mode Video Decoder.
Described Video Decoder is connected with CPU by level switch module.
For the video input apparatus indicator light that obtains the working condition of video input apparatus, also be provided with to be connected with CPU.
Described Network Interface Module comprises wireless lan interfaces module and ethernet interface module, and described wireless lan interfaces module is the WiFi module.
Described power module adopts the input of 12V DC power supply, by the output of DC/DC transducer 5V, 3.3V, 1.8V, 1.2V, to realize the power supply to disparate modules.
Among the present invention, also be provided with the ethernet interface module that is connected with CPU, connect to realize cable network simultaneously.
The present invention also is provided with the real-time clock that is connected with CPU, and described real-time clock is connected by level switch module with CPU.
In order to preserve some configuration informations, also be provided with EEPROM, described EEPROM is connected with CPU by level switch module.
In order to prevent that terminal of the present invention from being plagiarized, also be provided with the encryption chip that is connected with CUP, described encryption chip is connected with CPU by level switch module.
For information such as picture, passenger flow datas, the present invention also is provided with the storage card that is connected with CPU, and described storage card comprises SD card, mmc card, MS card and TF card.
The present invention can carry out video acquisition to the passenger flow situation in real time, make that the collection of passenger flow information is more accurate, can realize that by wireless lan interfaces module and ethernet interface module dual mode arrives server with the video passenger flow message transmission, makes that the range of application of passenger flow terminal of the present invention is more wide.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is each module connection layout of the present invention.
Fig. 2 is a power module block diagram of the present invention.
Fig. 3 is RS232 interface level conversion connection layout of the present invention.
Fig. 4 is RS485 interface level conversion connection layout of the present invention.
Fig. 5 is the structural representation of terminal of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
As shown in Figure 1, the embedded passenger flow analysing terminal of a kind of single channel comprises CPU, video input apparatus, mixed-media network modules mixed-media, and power module.CPU adopts Leonardo da Vinci's chip TMS320DM6441 of TI company in the present embodiment, and it is the core of whole terminal, and it is responsible for the scheduling of video data processing, transmission and system coordination and task, the control of each interface etc.
It is the DDR2 internal memory of 128MB that CPU adopts 32bits data bit, capacity, model is HY5PS5162FFR-Y5/S5, the nonvolatile storage of CPU then adopts NOR FLASH, to improve the efficiency of transmission of data, NOR FLASH is the 16bits data bit, and capacity is 8MB, and model is S29GL064N11TFIV20/TSOP56, the I/O level is 1.8V, and does not need level conversion between the CUP.
Be provided with reset circuit among the CPU, be input on the hand-reset signal of the chip that resets after hand-reset signal that it is produced by the chip that resets and watchdog reset signal are attempted by a circuit, both have one to produce the homing action chips such as CPU, NOR FLASH that will reset.
Feeding-dog signal is produced by the GPIO37 of CPU, whether feeds dog and is controlled by GPIO47.Implementation is the Enable Pin of a triple gate of GPIO47 control, and control logic is as shown in the table:
| Sequence number | The GPIO47 state | Feed the dog situation |
| 1 | 1 | Triple gate output high-impedance state, no matter GPIO37 is any output, house dog can not worked, and promptly can not produce |
| 2 | 0 | The triple gate output signal is determined when GPIO37 in 1.6s |
Because CPU does not have before the programming BOOT, the GPIO47 output state is indefinite, can cause that house dog starts, and feeds the dog program simultaneously and also is not activated, and causes house dog to send reset signal, the CPU that resets, and with simulator programming boot the time, normally programming.For this reason, on the house dog outlet line, increase a wire jumper, when programming boot, pull up jumper wire device, make the watchdog reset signal not influence other chips, when plate carry program all programming intact after, again jumper wire device is plugged, realize watchdog function.
CPU realizes and the communication of other equipment by the RS232 interface, realizes functions such as cradle head control by the RS485 interface.Implementation is 3 UART on Leonardo da Vinci's chip TMS320DM6441, and wherein UART1 and ata interface are multiplexing, and UART2 and CCDS are multiplexing.Present embodiment uses UART0 as debug serial port, and UART1 does not use, and UART2 (meaning not shown in the figures) is as RS485 interface control The Cloud Terrace.
Because the I/O interface level of Leonardo da Vinci's chip TMS320DM6441 is 1.8V, as shown in Figure 3, Figure 4, debug serial port RS232 serial ports level conversion is used MAX3232CES, and the RS485 level conversion is used SN75LBC180AD.
RS485 can use full worker's mode, also can use half worker's mode.
Under full worker's mode, to be set to " 1 " control transmission before the transmission data by the GPIO5 of CPU and enable, receive data and be in accepting state all the time.
Under half worker's state, send before the data will CPU GPIO5 be set to " 1 " control and send and enable, do not enable to receive simultaneously data yet.Receive before the data will CPU GPIO5 be set to " 0 " and enable to receive, do not enable to send simultaneously data.
This dual mode is selected by the welding corresponding resistor, and is as above shown in Figure 4, and welding R3, not welding R4 is full worker's pattern.Welding R4, not welding R3 is half worker's pattern.
RS485 interface connector adopts 2 RJ45 sockets, and one of them is used for cascade device, and interface is provided with as shown in the table:
| 1PIN | 2PIN | 3PIN | 4PIN | 5PIN | 6PIN | 7PIN | 8PIN |
| T+ | T- | R+ | GND | GND | R- | DC12V | DC12V |
The video input apparatus of terminal of the present invention can adopt common camera, for example profile is the vehicle-mounted pick-up head mould group of 38x 38m m, it gathers real-time passenger flow video information, imports to the I2C of CPU interface then, and this interface configuration of CPU is the ITR BU656 interface of 8bit.In order to be that collecting efficiency is higher, video input apparatus is a multichannel, the real-time passenger flow video information of multi-channel video input equipment is handled by Video Decoder input CPU, Video Decoder then is to pass to CPU with a time-multiplexed form after the real-time passenger flow Video processing in multichannel road, and CPU selects the effective video information on each road and handles.In the present embodiment, adopt Video Decoder TW2864 can realize four tunnel time division multiplexing input, the input signal of Video Decoder TW2864 is CVBS, NTSC/PAL all can, and inside is integrated with 10bit CMOSADS, anti-mixing filter, comb filter, compensating filter.When being connected, the VD4[7:0 of Video Decoder TW2864 with CPU] interface exports the VPFE interface of 4 tunnel time-multiplexed video datas to Leonardo da Vinci's chip TMS320DM6441.Therefore and need to be provided with level switch module between the CPU and carry out level conversion the required power supply of Video Decoder TW2864 is 3.3V (27mA)/1.8V (670mA).Video Decoder TW2864 also can be resetted by reset circuit.
In the present embodiment, the working condition of 4 road video input apparatus is indicated by indicator light, to avoid video-losing.Indicator light is connected with CPU, is controlled by the GPIO of CPU.Control mode is as shown in the table:
| GPIO39 | The control of the 1 road video-losing indicator light, extinguish " 1 ", and light " 0 " |
| GPIO40 | The control of the 2 road video-losing indicator light, extinguish " 1 ", and light " 0 " |
| GPIO41 | The control of the 3 road video-losing indicator light, extinguish " 1 ", and light " 0 " |
| GPIO42 | The control of the 4 road video-losing indicator light, extinguish " 1 ", and light " 0 " |
| GPIO34 | The control of equipment operation lamp, extinguish " 1 ", and light " 0 " |
Purport of the present invention is, the real time video data of video input apparatus collection transmitted to server, so that the usage range of this terminal is more wide, and unrestricted.Therefore, CPU is connected with the wireless lan interfaces module on connecting.In the present embodiment, be to be connected with USB interface on the CPU with the WiFi module of USB interface to realize, the 5V power supply (0.5A) that USB interface provides and the 5V power sharing of RS485 chip are uncontrolled.During actual making sheet, the WiFi module is fixed on the pcb board, adopts the USB cable that its replacing and standardized software of being convenient to module like this that link to each other with the CPU of mainboard is driven (not changing software because of replacing WiFi module).The WiFi module can be provided with status indicator lamp, and the GPIO1 by CPU controls.
Outside the wireless lan interfaces module was set, terminal of the present invention also was provided with the ethernet interface module that is connected with CPU, to realize wire communication.Leonardo da Vinci's chip TMS320DM6441 provide MAC function, is connected with the PHY chip and can realizes ethernet communication, and CPU and PHY chip are the MII interface, need carry out connecting after the level conversion.The PHY chip can adopt the RTL8201CP of REALTEK company, and it supports 10/100M auto-negotiation, netting twine from turning round function.The PHY chip also can be resetted by reset circuit.By above two kinds of module settings, make the wireless and wired two kinds of transmission of tool simultaneously of this terminal select, make terminal adaptability more extensive.
Leonardo da Vinci's chip TMS320DM6441 that terminal of the present invention adopts is provided with the I2C bus, can connect various chips by the I2C interface.In the present embodiment, connected a slice PhilipsPCF8563 real-time timepiece chip on the I2C interface of CPU, read its clock for CPU; A slice EEPROM, to preserve some configuration informations, the model of EEPROM is 24LC64, capacity is 32KB; A slice encryption chip is to prevent that this terminal from being plagiarized.Said chip all needs by level switch module owing to the level with CPU is not inconsistent, and for example PCA9306DCT is connected with CPU.
I2C interface equipment address is as follows:
| Sequence number | Title | Quantity | Operation address |
| 1 | PCF8563 | 1 | Write operation is from the address: 0XA2; Read operation is from the address: |
| 2 | 24LC256 | 1 | Write operation is from the address: 0XA0; Read operation is from the address: 0XA1 |
| 3 | TW2864 | 1 | Write operation is from the address: 0XA4; Read operation is from the address: 0XA5 |
For information such as picture, passenger flow datas, this terminal also is provided with the storage card that is connected with CPU, and storage card can be selected SD card, mmc card, MS card or TF card.The TF card that to have adopted a capacity in the present embodiment be 1GB is as storage card.
To real-time passenger flow video information when server transmits owing to also be provided with the analog video output interface on the CPU, by connecting display unit, this terminal can also realize the output of CVBS video, has further strengthened the function of this terminal.
The interface that terminal of the present invention need be powered is different with the power specification of module, so power module need be changed back output by the DC/DC transducer.Referring to Fig. 2, power module adopts the input of 12V/3.5A DC power supply, can directly power to camera, export 5V/1A so that USB interface and RS485 interface are powered by a transducer TPS5430, by a transducer TPS5430 output 3.3V/2.5A, and then 3.3V/2.5A is divided into two-way, the transducer TPS62420 of wherein leading up to output 1.2V/1A or 1.8V/1A power to Leonardo da Vinci's chip TMS320DM6441, and another road powers to Video Decoder TW2864 by transducer LM1117-1.8V output 1.8V/2A.
As shown in Figure 5, terminal of the present invention is made of housing 1, interface board 2, CPU board 3, copper stud 4, camera module 5, WIFI module 6.Copper stud 4 is fixed on the bottom of housing 1, camera module 5 is arranged on the top of copper stud 4, see on the whole and promptly be embedded in housing 1, interface board 2 is fixed on the bottom of copper stud 4, CPU board 3 is fixed on the camera module 5, interface board 2 and CPU board 3 are the upper and lower formula places, and WiFi module 5 is fixed on interface board 2 tops, is between interface board 2 and the CPU board 3.Avoided installing the installation work of camera module 5 behind the embedded camera module 5, general camera wiring is that the cable that will lay between from the camera to equipment comprises video line and power line, cable and wiring installation expense had both been saved in new design, and the expense of camera module 5 also can be saved much simultaneously.
Power connector arrange into:
| ?1 | 3GND | 53.3V | 73.3V | 9GND | 111.8V | 131.2V | 151.2 |
| DC12V | |||||||
| 2 DC12V | 4GND | 63.3V | 83.3V | 10GND | 121.8V | 141.2V | 161.2V |
Signal socket connector arrange into:
| 1 |
3 |
5 |
7 |
9 |
11 |
13 |
15 CODC SCK | 17 GND | 19 |
| 2 RP- | 4 TP- | 6 |
8 |
10 |
12 |
14 |
16 CODC SDA | 18 GND | 20 USB- |
By above setting, this terminal can be carried out video acquisition to the passenger flow situation in real time, make that the collection of passenger flow information is more accurate, the setting of wired and radio interface module, can realize the video passenger flow message transmission being arrived server by wireless mode and wired mode, make that the range of application of passenger flow terminal of the present invention is more wide, be not subjected to any restriction.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (17)
1. the embedded passenger flow analysing terminal of single channel is characterized in that, comprising:
Carry out the CPU of data processing, transmission, terminal task coordination and the control of each interface;
The video input apparatus of gathering real-time passenger flow video information and importing to CPU;
Be connected the Network Interface Module that sends the passenger flow video information that collects to server with CPU;
The power module that CPU and other interfaces, module are powered.
2. the embedded passenger flow analysing terminal of single channel as claimed in claim 1 is characterized in that: the nonvolatile storage of described CPU adopts NOR FLASH.
3. the embedded passenger flow analysing terminal of single channel as claimed in claim 1 is characterized in that: be provided with the reset circuit that CPU and other modules are resetted in the described CPU.
4. the embedded passenger flow analysing terminal of single channel as claimed in claim 1 is characterized in that: described CPU is provided with RS232 and RS485 interface.
5. the embedded passenger flow analysing terminal of single channel as claimed in claim 1, it is characterized in that: described CPU is provided with the analog video output interface.
6. the embedded passenger flow analysing terminal of single channel as claimed in claim 1 is characterized in that: described video input apparatus adopts the mode that is embedded in to be arranged in the terminal.
7. the embedded passenger flow analysing terminal of single channel as claimed in claim 1, it is characterized in that: described video input signals is CVBS, is provided with between video input apparatus and the CPU multi-channel video input equipment to be collected real-time video information is imported CPU in one tunnel time-multiplexed mode Video Decoder.
8. the embedded passenger flow analysing terminal of single channel as claimed in claim 7, it is characterized in that: described Video Decoder is connected with CPU by level switch module.
9. the embedded passenger flow analysing terminal of single channel as claimed in claim 7 is characterized in that: described terminal is provided with the video input apparatus indicator light that the working condition of instruction video input equipment is connected with CPU.
10. the embedded passenger flow analysing terminal of single channel as claimed in claim 1 is characterized in that: described Network Interface Module comprises wireless lan interfaces module and ethernet interface module.
11. the embedded passenger flow analysing terminal of single channel as claimed in claim 10 is characterized in that: described wireless lan interfaces module is the WiFi module.
12. the embedded passenger flow analysing terminal of single channel as claimed in claim 1 is characterized in that: described power module is the input of 12V DC power supply, by the output of DC/DC transducer 5V, 3.3V, 1.8V, 1.2V.
13. as the embedded passenger flow analysing terminal of the arbitrary described single channel of claim 1 to 12, it is characterized in that: described terminal is provided with the real-time clock that is connected with CPU, described real-time clock is connected by level switch module with CPU.
14. as the embedded passenger flow analysing terminal of the arbitrary described single channel of claim 1 to 12, it is characterized in that: described terminal is provided with the EEPROM that preserves configuration information, and described EEPROM is connected with CPU by level switch module.
15. as the embedded passenger flow analysing terminal of the arbitrary described single channel of claim 1 to 12, it is characterized in that: described terminal is provided with the encryption chip that is connected with CUP, described encryption chip is connected with CPU by level switch module.
16. as the embedded passenger flow analysing terminal of the arbitrary described single channel of claim 1 to 12, it is characterized in that: described terminal is provided with and is used to preserve picture and passenger flow data, the storage card that is connected with CPU.
17. the embedded passenger flow analysing terminal of single channel as claimed in claim 16 is characterized in that: described storage card comprises SD card, mmc card, MS card and TF card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910260776 CN102118614A (en) | 2009-12-30 | 2009-12-30 | Single-way embedded passenger flow analysis terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910260776 CN102118614A (en) | 2009-12-30 | 2009-12-30 | Single-way embedded passenger flow analysis terminal |
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| Publication Number | Publication Date |
|---|---|
| CN102118614A true CN102118614A (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910260776 Pending CN102118614A (en) | 2009-12-30 | 2009-12-30 | Single-way embedded passenger flow analysis terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811194A (en) * | 2012-01-09 | 2015-07-29 | 青岛海信移动通信技术股份有限公司 | Intensified type clock device and mobile terminal equipment |
| CN110113562A (en) * | 2019-03-19 | 2019-08-09 | 视联动力信息技术股份有限公司 | A kind of monitoring method and device based on view networking |
-
2009
- 2009-12-30 CN CN 200910260776 patent/CN102118614A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811194A (en) * | 2012-01-09 | 2015-07-29 | 青岛海信移动通信技术股份有限公司 | Intensified type clock device and mobile terminal equipment |
| CN110113562A (en) * | 2019-03-19 | 2019-08-09 | 视联动力信息技术股份有限公司 | A kind of monitoring method and device based on view networking |
| CN110113562B (en) * | 2019-03-19 | 2021-04-06 | 视联动力信息技术股份有限公司 | Monitoring method and device based on video network |
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Application publication date: 20110706 |