CN101794302B - Intelligent querying and showing device based on wireless radio-frequency identification technology and internet technology - Google Patents

Abstract

The invention relates to an intelligent query and display device based on radio frequency identification and Internet technology, which is characterized in that it includes: a system control module; a scanning acquisition module connected with the system control module, used to identify and read matching electronic tags The information is sent to the system control module for retrieval and analysis; a function selection module for inputting control commands to the system control module, which includes a sensor module and a microcontroller; an output display module for displaying feedback information from the system control module. Since the infrared sensor module and the capacitive touch button are set on the function selection module, the control command input can be realized by one-handed blind operation, which is convenient and easy to use; and the infrared sensor is blocked to realize the non-contact input method, which has a longer service life and lower maintenance costs. Low; the use of embedded projection modules or separate display screens in the output display module enhances the portability and mobility of the intelligent query display device in indoor and outdoor public places.

Description

Intelligent query display device based on radio frequency identification and Internet technology

technical field

The invention relates to an intelligent query display device, in particular to an intelligent query display device based on radio frequency identification and Internet technology.

Background technique

The current information display terminals on the market cannot realize human-computer interaction in the true sense. Usually, consumers view product information through mechanical buttons or touch screens on the information display terminals to input instructions. Due to the high cost of setting up the touch screen, the calibration of the touch screen is not accurate, and frequent manual calibration is required, and the information display terminal is installed in a public place, and it is often necessary to press many times in a row when performing operations such as page turning and confirmation, which may easily cause input of the information display terminal. The keys and touch screen are damaged.

Moreover, the touch screen that is integrated with the host computer of the information display terminal and is also used as an output display makes the information display terminal have a large volume, and it is inconvenient to change the installation position. When the above-mentioned input buttons and touch screen are damaged, the entire information display terminal needs to be removed Replacement, therefore need to pay expensive maintenance costs for a lot of additional maintenance work.

In addition, the existing information display terminal is usually used offline, and the product information it provides lags behind, which cannot meet the real-time information query requirements of consumers for designated products; and if the display terminal is connected to the Internet through a network cable, although it can update product information, But it is inconvenient to rewire when changing the display terminal position.

Contents of the invention

The purpose of the present invention is to provide an intelligent query display device based on radio frequency identification and Internet technology, which can scan products pasted with radio frequency electronic tags through the radio frequency identification device to perform product query, and at the same time can conveniently input query commands, or It is to enter the service request command, and network for retrieval and service request call; at the same time, it has a longer service life and lower maintenance costs.

In order to achieve the above object, the technical solution of the present invention is to provide an intelligent query display device based on radio frequency identification and Internet technology, which is characterized in that it includes:

System control module;

The scanning acquisition module connected with the system control module is used to identify and read the information on the matching electronic label, and send it to the system control module for retrieval and analysis;

A function selection module connected to the system control module, used to input control commands to the system control module;

The above-mentioned function selection module includes a sensor module and a microcontroller connected to the sensor module;

The output display module connected with the system control module is used to display the feedback information of the system control module.

The above-mentioned scanning acquisition module is a radio frequency identification device provided with a built-in antenna or an external antenna; the electronic tag matched with it is a radio frequency identification electronic tag.

The above-mentioned function selection module also includes a communication module respectively connected with the microcontroller and the above-mentioned system control module;

The above-mentioned microcontroller compiles the signal sent by the sensor module, and outputs it to the above-mentioned system control module through the communication module.

The above-mentioned sensor module comprises several sensors;

The above-mentioned sensor module receives electrical signals and light signals sent by several sensors, and outputs them to the above-mentioned microcontroller.

Several sensors of the above-mentioned sensor module are infrared sensors, and the above-mentioned microcontroller compiles the light signals sent by the above-mentioned infrared sensors, and judges the order in which the several infrared sensors are blocked.

The above-mentioned function selection module also includes a number of touch buttons;

The above-mentioned several touch keys are capacitive touch keys, which send the voltage changes generated by key actions to the above-mentioned micro-controller for compilation and judgment, and then output to the above-mentioned system control module through the above-mentioned communication module.

The above-mentioned output display module is an embedded projection module or a display screen integrally or separately provided with the main body of the above-mentioned intelligent query display device.

The above-mentioned intelligent query display device based on radio frequency identification and Internet technology also includes a network connection module connected to the above-mentioned system control module;

The above-mentioned network connection module includes a 3G module and a WIFI module, which are used to connect to the Internet or a local area network to query the data information sent by the system control module and feed back to the above-mentioned system control module.

The above-mentioned network connection module is also matched with an external service call terminal;

Under the control of the system control module, the network connection module sends the service request information input by the function selection module to the service calling terminal.

The above-mentioned intelligent query display device based on radio frequency identification and Internet technology also includes an LED indicator module, which is used to dynamically prompt the above-mentioned scanning acquisition module for the successful identification of the above-mentioned matching electronic tag, and for the above-mentioned function selection module. prompt for inputting commands.

Compared with the prior art, the intelligent query and display device based on radio frequency identification and Internet technology provided by the present invention has the advantage that: the present invention is equipped with an infrared sensor module and a capacitive touch button on the function selection module, enabling customers to single The input of general control commands can be realized by hand-blind operation (that is, customers can input commands without looking at the input buttons on the control panel), which is convenient and easy to use;

Compared with the existing mechanical keys, the present invention has a longer service life and lower cost due to the capacitive touch keys; in addition, the human hand blocks the infrared sensor and judges the direction of the hand movement, so as to realize the non-contact left and right selection input mode , so that the system control module also effectively prolongs the service life of the input device and reduces the maintenance cost of the intelligent query display device;

The present invention can not only set the LCD display screen integrated with the main body, but also use an embedded projection module or a separate display screen in the output display module, which enhances the portability and mobility of the intelligent query display device in indoor and outdoor public places It is also more suitable for use in temporary occasions.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention based on radio frequency identification and the intelligent query display device of Internet technology;

Fig. 2 is a schematic structural diagram of the function selection module of the intelligent query display device based on radio frequency identification and Internet technology of the present invention.

Detailed ways

The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

Example 1

Please refer to shown in Fig. 1, the intelligent query display device based on radio frequency identification and Internet technology provided by the present invention includes a system control module 10, a scanning acquisition module 20 connected to the system control module 10, a function selection module 30, an output display Module 50, network connection module 40.

The scanning acquisition module 20 is a radio frequency identification device using a built-in antenna or an external antenna. This radio frequency identification device is a RU-822 ultra-high frequency reader module, and the applicable frequency range is from high frequency 13.56MHz (applicable to subways) to UHF 900MHz (generally used) and 2.4GHz (suitable for mobile phones), the preferred frequency range is 860Mhz ~ 960Mhz. The scanning acquisition module 20 is matched with a radio frequency identification (RFID) electronic tag 60 arranged on an external product. First, the radio frequency identification device initializes the electronic tag 60 of the product, and distributes a globally unique electronic product code for the electronic tag 60, so that the electronic tag 60 is associated with the manufacturer's product data; when the product with the electronic tag 60 is placed in the scanning collection Within a range of 30 cm near the module 20 , the scanning and collecting module 20 automatically collects the product code information on the electronic label 60 and sends it to the system control module 10 .

The system control module 10 retrieves the database of the system control module 10 according to the encoded information of the electronic label 60 collected by the scanning collection module 20 or queries the manufacturer's product data corresponding to the encoded information of the electronic label 60 through the network connection module 40, and sends This product data is fed back to the output display module 50 for viewing by the customer. Afterwards, the customer inputs the query command by using the function selection module 30 to further check the corresponding information of the product, such as production date, usage introduction, brand promotion, anti-counterfeiting query or multimedia display. In this embodiment, the system control module 10 uses a PC computer central control system.

The output display module 50 is an embedded projection module (NEC NP210+) using LED+DLP (Light Emitting Diode + Digital Light Processing) technology, that is, the image signal is digitally processed, and then projected with an LED light source, with high definition and low power consumption , is not only more low-carbon and environmentally friendly, but also enhances the portability and mobility of the intelligent query display device in indoor and outdoor public places, and is also more suitable for use in temporary places.

The intelligent query display device provided by the present invention is also provided with an LED indicator module, which is used to dynamically prompt the successful identification of the matching electronic tag 60 by the scanning acquisition module 20, and as an input command to the function selection module 30. hint.

The network connection module 40 is provided with a 3G (third generation mobile communication technology) module (model: HUAWEI EC1260), a WIFI (Wireless Fidelity) module (usually built in a computer motherboard), and not only can be connected under the control of the system control module 10 Connect to the Internet or local area network to realize the query of product data, and also call the salesperson for service according to the instruction input by the function selection module 30 . The customer's service request information is sent to the service call terminal 70 in the hands of the salesperson through the network connection module 40, such as mobile phones, PDAs or personal computers; the salesperson can receive 3G multimedia information or SMS short messages, multimedia messages, etc. Realize the transmission of service request information.

Please refer to Fig. 1 and shown in Fig. 2, function selection module 30 comprises micro-controller 33 (MCU), some touch keys that are connected respectively with micro-controller 33, sensor module 31 and communication module 34; This communication module 34 also communicates with The system control module 10 is connected. Described some touch keys, sensor module 31 are arranged on the control panel of function selection module 30, in order to input control command, are compiled by microcontroller 33 and send to system by the USB (Universal Serial Bus) interface that communication module 34 has control module 10. The model of the microcontroller 33 is AT89S51; the model of the infrared sensor receiving tube included in the sensor module 31 is HS0038, the model of the infrared sensor emitting tube is GL3S; the chip model of the capacitive touch key is TCH05B.

Several infrared sensors are arranged on the sensor module 31 , as in this embodiment, a first sensor 311 and a second sensor 312 are respectively arranged at the left and right ends of the sensor module 31 . When inputting the "left" and "right" control commands, the customer does not need to touch the control panel provided with the sensor module 31, and only needs to perform left and right waving operations at a distance of 10-20 cm from the infrared sensor, and turn the first sensor 311 and the second sensor 312 sequentially. Blocking, the sensor module 31 receives the electrical signals and light signals sent by the blocked first and second sensors 312 in sequence and sends them to the microcontroller 33; the microcontroller 33 compiles the analog electrical signals sent by the sensor module 31 into Digital signal, and judge the customer's waving direction with this; After that, send the above-mentioned judgment result to the system control module 10 through the communication module 34 that is connected with microcontroller 33; After receiving the "left" and "right" control commands of the input, Controlled by the system control module 10 , operations such as page turning to the left or right are performed on the output display module 50 in the same direction as waving. Similarly, two infrared sensors can also be arranged on the upper and lower ends of the sensor module 31, and the infrared sensors can be blocked in turn by waving hands up and down, so as to realize the input of "up" and "down" commands.

The touch buttons provided on the control panel of the function selection module 30 are capacitive touch buttons. The positive and negative poles are formed by the charge carried by the human hand and the capacitance of the control panel. The digital input signal is transmitted to the system control module 10 through the USB communication module 34 . In this embodiment, there are two capacitive first touch keys 321 and second touch keys 322, as the auxiliary input of the sensor module 31 for reading the input direction, respectively realizing the functions of "confirm" and "cancel". Function.

The intelligent query and display device provided by the present invention has changed the existing use of mechanical buttons or touch screen input, and by setting an infrared sensor module 31 and a capacitive touch button in the function selection module 30, the customer can realize "going up" through blind operation with one hand. "" "Down" "Left" "Right" "OK" "Cancel" and other general command input, that is, customers can input commands without looking at the input buttons on the control panel, which is convenient and easy to use. Capacitive touch buttons have a longer service life and lower cost than existing mechanical buttons. Customers wave their hands to block the infrared sensors one by one to judge the direction of customers' waving hands, realize the non-contact input method, effectively prolong the service life of the input device, and reduce the maintenance cost of the intelligent query display device.

Example 2

The intelligent query and display device based on radio frequency identification and Internet technology provided in this embodiment has an overall structure similar to that in embodiment 1, and the scanning acquisition module automatically reads the coded information of the matching radio frequency identification electronic tag, and the system Controlled by the control module, the manufacturer's product data corresponding to the code information of the electronic label is queried through the network connection module, and fed back to the output display module for customers to view. Afterwards, the customer can further check the corresponding information of the product by using the infrared sensor module of the function selection module and the capacitive touch button to input the query command; or input the service request command, and send it to the service call terminal in the hands of the salesperson by the network connection module. Realize the transmission of service request information.

The only difference is that the output display module in this embodiment uses an LCD display integrated with the main body of the intelligent query display device; Portability and mobility in public.

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as limiting the present invention. Various modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the above disclosure. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (8)

1. An intelligent query display device based on radio frequency identification and Internet technology, characterized in that, Include: System control module (10); The scanning acquisition module (20) connected with the system control module (10) is used to identify and read the information on the matched electronic label (60), and send it to the system control module (10) for retrieval and analysis; A function selection module (30) connected to the system control module (10), used to input control commands to the system control module (10); An output display module (50) connected to the system control module (10), used to display feedback information from the system control module (10); Described function selection module (30) further comprises sensor module (31), the microcontroller (33) that is connected with sensor module (31); Described sensor module (31) is provided with some infrared sensors; Described sensor module ( 31) output the electrical signals and optical signals sent by several infrared sensors to the microcontroller (33) for compilation; judge the order in which several infrared sensors are blocked by the microcontroller (33), and A control command matching the sequence is formed and sent to the system control module (10). 2. the intelligent query display device based on radio frequency identification and Internet technology as claimed in claim 1, is characterized in that, described scanning collection module (20) is the radio frequency identification device that is provided with built-in antenna or external antenna; The matching electronic tag (60) is a radio frequency identification electronic tag (60). 3. the intelligent query display device based on radio frequency identification and Internet technology as claimed in claim 1, is characterized in that, described function selection module (30) also comprises and microcontroller (33) and described system control module ( 10) separately connected communication modules (34); The microcontroller (33) compiles the signal sent by the sensor module (31), and outputs it to the system control module (10) through the communication module (34). 4. the intelligent query display device based on radio frequency identification and Internet technology as claimed in claim 1, is characterized in that, described function selection module (30) also comprises some touch buttons; The plurality of touch buttons are capacitive touch buttons, which send the voltage changes generated by button actions to the microcontroller (33) for compilation and judgment, and then output to the system control module through the communication module (34) (10). 5. The intelligent query display device based on radio frequency identification and Internet technology as claimed in claim 1, wherein the output display module (50) is an embedded projection module or the main body of the intelligent query display device Display screens for integral or separate setup. 6. the intelligent query display device based on radio frequency identification and Internet technology as claimed in claim 1, is characterized in that, also comprises the network connection module (40) that is connected with described system control module (10); The network connection module (40) includes a 3G module and a WIFI module, and is used to connect to the Internet or a local area network to realize the query of the data information sent by the system control module (10), and to feed back to the system control module (10). 7. the intelligent query display device based on radio frequency identification and Internet technology as claimed in claim 6, is characterized in that, described network connection module (40) also matches with external service call terminal (70); Under the control of the system control module (10), the network connection module (40) sends the service request information input by the function selection module (30) to the service calling terminal (70). 8. The intelligent query display device based on radio frequency identification and Internet technology as claimed in claim 1, further comprising an LED indicator module, which is used to dynamically prompt the scanning acquisition module (20) for the corresponding Successful identification of a matched electronic tag (60), and prompting for input instructions to said function selection module (30).

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