CN110545298A - Exhibition hall multi-information acquisition system - Google Patents
Exhibition hall multi-information acquisition system Download PDFInfo
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- CN110545298A CN110545298A CN201810525020.9A CN201810525020A CN110545298A CN 110545298 A CN110545298 A CN 110545298A CN 201810525020 A CN201810525020 A CN 201810525020A CN 110545298 A CN110545298 A CN 110545298A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
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- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a multi-information acquisition system for exhibition venues, which comprises a cloud server module, a signal transmission module, a single chip microcomputer module and a sensing module, wherein the cloud server module is connected with the single chip microcomputer module through the signal transmission module; the sensing module comprises a sensor module and a data collecting and processing module, wherein the sensor module comprises a temperature and humidity sensor, an air quality sensor, a light intensity illumination sensor and a microwave radar sensor. The invention can continuously collect the environment (temperature, humidity, illumination and harmful gas in the air) of the exhibit, thereby monitoring the environment of the exhibit, recording the attention heat data of the visitors to the exhibit to form basic data, being used for analyzing objective data in the later period and being convenient for the exhibitors to further improve the service of the exhibit.
Description
Technical Field
The invention relates to the technical field of information acquisition, in particular to an exhibition hall multi-information acquisition system for monitoring the environment where exhibits are located and recording data in an exhibition hall.
Background
In the prior art, in an exhibition venue, an information acquisition system is generally used for collecting a temperature and humidity environment of the venue and attention data of a user on an exhibit, and an infrared technology is used for collecting the attention data. The prior art does not monitor the air environment and the illumination environment.
The prior art has the following defects: the data utilization that similar products collected the attention degree is infrared technique, and the collection precision is not accurate enough, and in addition, like products do not have monitoring and record to air circumstance and illumination environment, and the environmental observation of air circumstance and illumination environment is especially important to the showpiece to the monitoring data, can carry out the tracking data analysis to the showpiece. The attention and the reaction of the visitors on the exhibits are not analyzed too much, the venue generally only records the data such as the passenger flow volume and the like, the attention and the contrast of each exhibit are not analyzed delicately by the visitors, and for the exhibitors, no data can reflect the feedback of the visitors on the exhibits.
disclosure of Invention
Aiming at the defects of the prior art, the invention provides the exhibition hall multi-information acquisition system which can continuously collect the environments (temperature, humidity, illumination and harmful gas in the air) of the exhibits, so that the environments of the exhibits can be monitored, the attention heat data of visitors to the exhibits is recorded, basic data is formed, objective data can be analyzed in the later period, and the exhibitors can further improve the services of the exhibits.
In order to solve the problems in the prior art, the adopted specific technical scheme is as follows:
A multi-information acquisition system of an exhibition venue comprises a cloud server module, a signal transmission module, a single chip microcomputer module and a sensing module, wherein the cloud server module is connected with the single chip microcomputer module through the signal transmission module, and the sensing module is connected with pins on the single chip microcomputer module through signal lines; the sensing module comprises a sensor module and a data collecting and processing module, wherein the sensor module comprises a temperature and humidity sensor, an air quality sensor, a light intensity illumination sensor and a microwave radar sensor.
The cloud server module and the single chip microcomputer module are connected through wireless signals or through wires. The signal transmission module can be a wireless router or other wired transmission device.
In the preferred scheme, the temperature and humidity sensor is used for recording real-time temperature and humidity environment data to form basic data to observe the influence of the environment on the exhibit; the air quality sensor is used for recording the concentrations of harmful gases such as sulfide, benzene series steam and smoke and comparing the changes of the exhibit in a period; the light intensity and illumination sensor is used for recording illumination intensity and comparing changes of the exhibition environment in a period; the microwave radar sensor is used for recording the number of times that a real-time visitor moves before the exhibit is displayed, providing objective reaction data of the visitor to the exhibit, and providing the objective reaction data to the exhibitor, so that the exhibitor further improves and perfects the services of the exhibit.
In a further preferred scheme, the data collection and processing module comprises a data collection database and a WEB server which are connected, and each sensor of the sensor module collects data and transmits the data to the WEB database server through wifi.
In a further preferred scheme, the singlechip module is a NodeMcu singlechip.
In a further preferred scheme, the cloud Server module comprises a database and a WEB Server, receives data transmitted by the nodeccu single-chip microcomputer through a WEB service and an SQL Server service, and writes the data into the database.
The NodeMcu single chip microcomputer is a WiFi network solution based on an ESP8266 chip.
The temperature and humidity sensor is a DH11 temperature and humidity sensor, the air quality sensor is an MQ-135 air detection sensor, the light intensity illumination sensor is a GY-302 light intensity illumination sensor, and the microwave radar sensor is an RCWL-0516 microwave radar sensor.
By adopting the scheme, compared with the prior art, the exhibition venue multi-information acquisition system has the technical effects that:
The invention collects the environmental data of the exhibit through the temperature and humidity sensor, the air quality sensor, the light intensity illumination sensor and the microwave radar sensor, can provide the exhibitor and the host to periodically observe the exhibit, provides the data of the objective reaction of the visitor to the exhibit, and provides the exhibitor with the data, so that the exhibitor further improves the service of the exhibit. The method is convenient for the exhibitor to analyze the influence of the environment on the exhibit, and particularly provides great convenience for close-fitting data tracking and analysis of the relatively rare exhibit.
Drawings
FIG. 1 is a system configuration diagram of a multi-information collection system for an exhibition hall according to the present invention;
FIG. 2 is a schematic structural diagram of a sensing module of the multi-information collection system of the exhibition hall according to the present invention;
FIG. 3 is a schematic structural diagram of a sensor module according to an embodiment of the invention;
Fig. 4 is a schematic diagram of an operation module of the cloud server according to the embodiment of the present invention;
FIG. 5 is a diagram showing the structure of the single chip module and the connection relationship between the single chip module and each component;
FIG. 6 is a flowchart illustrating the operation of the acquisition module in this embodiment;
Fig. 7 is a flowchart of receiving data in the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings in combination with specific examples. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention discloses a multi-information acquisition system for exhibition venues, which comprises a cloud server module, a wireless router module, a single chip microcomputer module and a sensing module, wherein the cloud server module and the single chip microcomputer module are connected through radio signals sent by the wireless router module, and the sensing module is connected with pins on the single chip microcomputer module through signal lines.
The sensing module is shown in fig. 2 and includes a sensor module and a data collecting and processing module. The sensor module is shown in fig. 3 and comprises a temperature and humidity sensor, an air quality sensor, a light intensity illumination sensor and a microwave radar sensor.
A DH11 temperature and humidity sensor, an RCWL-0516 microwave radar sensor, an MQ-135 air detection sensor and a GY-302 light intensity illumination sensor are connected with a designated pin in a program of a NodeMcu through a DuPont wire, a computer of the NodeMcu and a windows system is connected through a Microusb data wire, a NodeMcu driver is installed, and a development environment is burnt to the NodeMcu through burning software. Sensor data collection and transmission codes are developed by using the LUA language, and data collected by the DH11 temperature and humidity sensor, the RCWL-0516 microwave radar sensor, the MQ-135 air detection sensor and the GY-302 light intensity illumination sensor are uploaded to a designated cloud server through a general TCP protocol.
After the codes are developed and burnt to NodeMcu, a DH11 temperature and humidity sensor, an RCWL-0516 microwave radar sensor, an MQ-135 air detection sensor and a GY-302 light intensity illumination sensor are connected with a designated pin of the NodeMcu through a DuPont wire, a wired power supply or a battery with the voltage of a Microusb interface of 5V is used for supplying power to an integrated module, a program automatically runs after the power is on, and data are collected and transmitted to a designated cloud server.
the remote Server environment is as shown in fig. 4, the invention sets Windows 2003Server by using Server ECS applied in the arri cloud, configures WEB service environment, installs and configures SQL Server database environment, establishes database and table according to program requirements, and receives each data transmitted by NodeMcu single chip microcomputer through WEB service and SQL Server service.
The table structure in the database is shown in the following table:
Table name: data collection table
| Name of field | Data type | Size and breadth | remarks for note |
| id | int | ||
| devid | char | 4 | Recording device ID |
| venueno | char | 4 | recording venue numbers |
| flag1 | char | 4 | Temperature of |
| flag2 | char | 4 | Humidity |
| flag3 | char | 8 | Portrait moving identification |
| flag4 | char | 8 | Illuminance of light |
| flag5 | char | 8 | Air quality |
| flag6 | char | 10 | Reserved field |
| flag7 | char | 10 | Reserved field |
| datetime1 | datetime | 8 | Recording time |
Table name: stadium equipment meter
| Name of field | Data type | Size and breadth | Remarks for note |
| id | int | ||
| venueno | char | 4 | venue numbering |
| devid | char | 4 | Device id |
| venuename | char | 64 | Name of venue |
| devname | char | 64 | Device name |
the actual data acquisition record table is shown as the following table:
through the table, various indexes of temperature, humidity, portrait movement, illumination and air quality can be clearly seen, so that the exhibition can be conveniently and periodically observed by exhibitors and sponsors, objective reaction data of visitors to exhibitors is provided, and the exhibition can be provided for exhibitors, so that the exhibitors further improve services of exhibitors.
The structure of the single chip module and the connection relation between the single chip module and each part are shown in figure 5:
The first intermediate component is NODEMCU ESP8266, which is a complete and self-organizing WiFi network solution, can operate independently, and can also be carried on other hosts as slave.
ESP8266 can be booted directly from the external flash memory when it is hosting an application and acting as the only application processor in the device. The built-in cache memory is beneficial for improving system performance and reducing memory requirements.
In addition, when the wireless internet access undertakes the task of the WiFi adapter, the wireless internet access can be added into any design based on the microcontroller, the connection is simple and easy, and the wireless internet access can be realized only by an SPI/SDIO interface or a central processing unit AHB bridge interface.
The powerful on-chip processing and storage capability of the ESP8266 enables the sensor and other application specific devices to be integrated through the GPIO port, thereby realizing minimum occupation of system resources in minimum early development and operation. ESP8266 is highly integrated on chip, including antenna switch balun, power management converter, so that only minimal external circuitry is required, and the entire solution, including the front end module, minimizes the PCB space occupied during design.
The system with ESP8266 exhibits the leading features: the fast switching of power-saving VoIP between sleep/awake modes, adaptive radio biasing in conjunction with low power operation, front-end signal processing functionality, troubleshooting, and radio system coexistence features are to eliminate cellular/bluetooth/DDR/LVDS/LCD interference.
Is characterized in that:
802.11b/g/n
WIFI @2.4GHz and WPA/WPA2 supporting security mode
Ultra-small size module 11.5mm
Built-in 10bit high-precision ADC
Built-in TCP/IP protocol stack
Built-in TR switch, balun, LNA, power amplifier and matching network
Built-in PLL, voltage stabilizer and power management assembly
Output power of +19.5dBm in 802.11b mode
Supporting antenna diversity
Leakage current less than 10uA in power-off
built-in low power 32-bit CPU: can double as an application processor
SDIO 2.0、SPI、UART
STBC、1x1MIMO、2x1MIMO
Aggregation of A-MPDUs, A-MSDUs and a guard interval of 0.4s
Waking up, connecting and transferring data packets within 2ms
Consumption power of standby state is less than 1.0mW (DTIM3)
The working temperature ranges from-40 ℃ to 125 DEG C
the parameters are as follows:
Second, MQ135 on the left side of fig. 5 is an air quality detection sensor: the household air pollution alarm with good sensitivity to harmful gases in a wide concentration range has high sensitivity to ammonia, sulfide, benzene and other atmospheres, and is a simple driving circuit of a low-cost portable air pollution detector, and the industrial air pollution controller has long service life.
The gas sensing material used for MQ135 gas sensors was tin dioxide (SnO2) which has a relatively low conductivity in clean air. When the sensor is in the environment with polluted gas, the conductivity of the sensor increases along with the increase of the concentration of the polluted gas in the air. The change in conductivity can be converted into an output signal corresponding to the gas concentration using a simple circuit.
The MQ135 sensor has high sensitivity to ammonia gas, sulfide and benzene series steam, and is ideal for monitoring smoke and other harmful substances. The sensor can detect various harmful gases, and is a low-cost sensor suitable for various applications.
The harmful gas detecting device for environment is suitable for detecting harmful gases such as ammonia gas, aromatic compounds, sulfides, benzene series steam, smoke and the like, and the concentration range of a gas sensitive element is as follows: the greater the 10to1000ppm value, the greater the concentration of harmful gases detected.
Thirdly, the uppermost part on the right side of the figure 5 is the RCWL-0516 microwave radar:
The RCWL-0516 microwave radar adopts Doppler radar technology, and is a microwave induction module specially used for detecting the movement of an object. The module has the characteristics of high sensitivity, long sensing distance, strong reliability, large sensing angle, wide power supply voltage range and the like. The system is widely applied to various occasions such as human body induction lighting, anti-theft alarm and the like.
It is characterized in that:
adopts a special signal processing control chip RCWL-9196
Wide working voltage range 4.0-28V
Compared with the traditional infrared sensing PIR, the infrared sensing PIR has penetration detection capability
The blocking time and distance can be adjusted
Power supply capable of outputting 3.3V
Fourthly, the middle module on the right side of the figure 5 is a GY-302BH1750 light intensity illumination module: GY-302BH1750 is a digital light intensity sensor integrated circuit for a two-wire serial bus interface. Such an integrated circuit may adjust the brightness of the liquid crystal or keypad backlight based on the collected light intensity data. With its high resolution, a large range of light intensity variations can be detected. (1lx-65535lx)
A power supply: 3-5v
Data range: 0-65535
sensor built-in 16bit AD converter
Direct digital output, omission of complicated calculation, omission of calibration
indistinguishable ambient light sources
Spectral characteristics close to visual acuity
Can measure 1 lux in high precision for wide brightness
fifth, the lower module on the right side of fig. 5 is a DHT11 temperature and humidity module: the DHT11 digital temperature and humidity sensor is a temperature and humidity composite sensor with calibrated digital signal output. The special digital module acquisition technology and the temperature and humidity sensing technology are applied to ensure that the product has high reliability and excellent long-term stability. The sensor comprises a resistance type humidity sensing element and an NTC temperature measuring element, and is connected with a high-performance 8-bit singlechip.
The application range is as follows: heating and ventilation air conditioner, dehumidifier, test and detection equipment, consumer goods, automobile, automatic control, data recorder, weather station, household electrical appliances, humidity regulator, medical treatment and other related humidity detection control.
bright spots of the product: the device has the advantages of low cost, long-term stability, relative humidity and temperature measurement, excellent quality, ultra-fast response, strong anti-interference capability, ultra-long signal transmission distance, digital signal output and accurate calibration.
The modules need to be connected to pins corresponding to the NODEMCU single-chip microcomputer through corresponding pins, the burnt programs are operated to acquire data collected by the sensors, and then the data are transmitted to the cloud server to be processed.
The specific acquisition module has a work flow as shown in fig. 6, after a program is started, an acquisition variable is defined, Mcu is set as a station side and is connected to WIFI, then sensor data is acquired, a singlechip is connected with a cloud server, and the data is uploaded to a cloud database. As shown in fig. 7, the process of receiving data by the cloud server is firstly connected to the database, then receives a TCP protocol GET data source, inserts the TCP protocol GET data source into the database, writes the TCP protocol GET data source into the database, and then disconnects the TCP protocol GET data source from the database.
The invention can effectively collect real-time data, and record the real-time data in the cloud server database for later-stage multi-style analysis.
The working principle and the working process of the product of the invention are as follows: the product of the invention is based on the node mcu to connect each sensor to collect data, and then the collected real-time data is uploaded to a cloud server database through the technology of connecting the node mcu with the WIFI internet of things.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications and equivalents thereof within the spirit and scope of the present invention are included therein.
Claims (8)
1. a multi-information acquisition system for exhibition venues is characterized by comprising a cloud server module, a signal transmission module, a single chip microcomputer module and a sensing module, wherein the cloud server module is connected with the single chip microcomputer module through the signal transmission module, and the sensing module is connected with a pin on the single chip microcomputer module through a signal line; the sensing module comprises a sensor module and a data collecting and processing module, wherein the sensor module comprises a temperature and humidity sensor, an air quality sensor, a light intensity illumination sensor and a microwave radar sensor.
2. The multi-information-acquisition system for exhibition halls as claimed in claim 1, wherein the cloud server module and the single chip module are connected by wireless signal or by wire.
3. The multi-information acquisition system for exhibition halls according to claim 1, wherein the temperature and humidity sensor is used for recording real-time temperature and humidity environment data to form basic data to observe the influence of the environment on the exhibits; the air quality sensor is used for recording the concentrations of harmful gases such as sulfide, benzene series steam and smoke and comparing the changes of the exhibit in a period; the light intensity and illumination sensor is used for recording illumination intensity and comparing changes of the exhibition environment in a period; the microwave radar sensor is used for recording the number of times of activities of a real-time visitor before the exhibit appears.
4. The multi-information collection system for exhibition halls as claimed in claim 1, wherein the data collection and processing module comprises a data collection database and a WEB server connected to each other, and each sensor of the sensor module collects data and transmits the data to the WEB database server via wifi.
5. The system of claim 1, wherein the single-chip microcomputer module is a NodeMcu single-chip microcomputer.
6. The system of claim 5, wherein the cloud Server module comprises a database and a WEB Server, receives data transmitted from the NodeMcu single chip microcomputer through a WEB service and an SQL Server service, and writes the data into the database.
7. The system as claimed in claim 5, wherein the NodeMcu single chip is a WiFi network solution based on an ESP8266 chip.
8. The multi-information collection system for exhibition halls as claimed in claim 1, wherein the temperature and humidity sensor is DH11 temperature and humidity sensor, the air quality sensor is MQ-135 air detection sensor, the light intensity illumination sensor is GY-302 light intensity illumination sensor, and the microwave radar sensor is RCWL-0516 microwave radar sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525020.9A CN110545298A (en) | 2018-05-28 | 2018-05-28 | Exhibition hall multi-information acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525020.9A CN110545298A (en) | 2018-05-28 | 2018-05-28 | Exhibition hall multi-information acquisition system |
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| CN110545298A true CN110545298A (en) | 2019-12-06 |
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| CN201810525020.9A Pending CN110545298A (en) | 2018-05-28 | 2018-05-28 | Exhibition hall multi-information acquisition system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050525A (en) * | 2021-04-29 | 2021-06-29 | 常熟理工学院 | Intelligent environment monitoring system and method based on NodeMCU |
| CN114779711A (en) * | 2022-06-16 | 2022-07-22 | 深圳市中科睿科技有限公司 | Central control system of intelligent exhibition hall |
| TWI815098B (en) * | 2020-04-09 | 2023-09-11 | 大陸商北京微動數聯科技有限公司 | Web request processing method, device, electronic device, and computer-readable recording medium with stored program |
-
2018
- 2018-05-28 CN CN201810525020.9A patent/CN110545298A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI815098B (en) * | 2020-04-09 | 2023-09-11 | 大陸商北京微動數聯科技有限公司 | Web request processing method, device, electronic device, and computer-readable recording medium with stored program |
| CN113050525A (en) * | 2021-04-29 | 2021-06-29 | 常熟理工学院 | Intelligent environment monitoring system and method based on NodeMCU |
| CN114779711A (en) * | 2022-06-16 | 2022-07-22 | 深圳市中科睿科技有限公司 | Central control system of intelligent exhibition hall |
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Application publication date: 20191206 |