CN204089889U - Multifunctional Mobile IoT Terminal - Google Patents

Abstract

The utility model relates to a multifunctional mobile Internet of Things terminal, the multifunctional mobile Internet of Things terminal includes a central processor; the central processor and a data acquisition unit are used to control the data acquisition of the data acquisition unit and can display and output The human-computer interaction unit and the network transmission unit used to transmit the data collected by the data collection unit are connected; the data collection unit includes a HFRFID module, a UHFRFID module and a barcode module, and the HFRFID module, the UHFRFID module and the barcode module are all connected to the CPU connection. The utility model adopts platform and modularized system design, organically combines HFRFID reading and writing functions, UHFRFID reading and writing functions and barcode identification functions, and can be more flexibly and conveniently applied in various industries on the basis of ensuring perfect terminal functions and stable performance At the same time, it also has good human-computer interaction functions and battery life.

Description

Multifunctional Mobile IoT Terminal

technical field

The utility model relates to a terminal, especially a multifunctional mobile Internet of Things terminal, specifically a mobile Internet of Things terminal equipped with UHF RFID reading and writing, HF RFID reading and writing, and barcode scanning, and belongs to the technical field of Internet of Things terminals.

Background technique

With the promotion, development and popularization of the Internet of Things in recent years, radio frequency identification technology (RFID, Radio Frequency Identification) has also received unprecedented development and attention. At present, the domestic high-frequency RFID technology standard is relatively mature, and it is in the leading position in the RFID market. Its application occasions are also quite extensive, including ticketing systems, smart cards, public transportation systems and other fields. However, most of the current market applications are high-frequency RFID readers that support a single protocol, and there are few high-frequency RFID readers that are compatible with three protocols at the same time. Writer to read and write, the application cost is greatly increased. UHF RFID (Ultra High Frequency RFID) has become the focus of RFID development in recent years, because UHF RFID has superior performance that other frequency bands do not have: long-distance identification, high-speed identification, multi-number identification, strong anti-collision and low cost. However, the current application and research level of UHF RFID technology, compared with 13.56MHz high-frequency RFID technology, can be said to be still in its infancy, has not yet been widely popularized, and has not yet formed a complete industrial chain.

At present, barcode technology is widely used in the logistics and warehousing industry. Compared with RFID tags, which have the advantages of fast recognition speed, large data storage capacity, and reusability, barcodes can only carry fixed and simple information due to their inherent characteristics, and their status in the logistics industry will be gradually replaced by RFID technology. However, due to the fact that RFID technology has not yet been popularized in the logistics and warehousing industry, most application management still uses traditional barcode technology.

In the application fields of various large and medium-sized examinations in the country, external operation attendance of large enterprises and institutions, food safety supervision data collection, etc., it is necessary to use a series of security technologies and strategies such as barcode, fingerprint recognition, and RFID to prevent substitute exams and leaks by using special handheld devices. , Changing data and other cheating methods. However, such fingerprint recognition equipment is expensive, inconvenient to carry, and has low recognition accuracy.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a multifunctional mobile Internet of Things terminal, which has a simple structure, can realize the reading and writing of various RFID signals, and has the function of barcode scanning and fingerprint identification, and the scope of application wide, stable and reliable.

According to the technical solution provided by the utility model, the multifunctional mobile Internet of Things terminal includes a central processing unit; the central processing unit and the data acquisition unit are used to control the data acquisition unit of the data acquisition unit and can display the human-computer interaction of the output unit and the network transmission unit used to transmit the data collected by the data collection unit; the data collection unit includes a HF RFID module, a UHF RFID module and a barcode module, and the HF RFID module, the UHF RFID module and the barcode module are all connected to the CPU connection.

The network transmission unit includes a network communication module and a WIFI module, and the network communication module includes a 3G module.

The human-computer interaction unit includes an LCD touch screen, an LED indicator light, a key circuit and a buzzer. The network communication module and the WIFI module are connected with the central processing unit through a USB interface.

The central processing unit, data acquisition unit, human-computer interaction unit and network transmission unit are all connected to the power management unit for providing working power.

The central processing unit is connected with a fingerprint recognition processing unit for fingerprint collection and recognition, and the fingerprint recognition processing unit adopts an optical pressing module.

The utility model has the advantages of adopting platform and modularized system design, organically combining HF RFID reading and writing functions, UHF RFID reading and writing functions and barcode identification functions, and can be more flexible and convenient on the basis of ensuring perfect terminal functions and stable performance It is widely used in various industries, and it also has good human-computer interaction functions and battery life.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Explanation of reference signs: 1-central processing unit, 2-button circuit, 3-buzzer, 4-HF RFID module, 5-UHF RFID module, 6-barcode module, 7-data acquisition unit, 8-power management unit , 9-WIFI module, 10-network transmission unit, 11-network communication module, 12-LED indicator light, 13-LCD touch screen and 14-fingerprint identification processing unit.

Detailed ways

Below in conjunction with specific accompanying drawing and embodiment the utility model is further described.

As shown in Figure 1: in order to realize the reading and writing of various RFID signals, and possess the function of bar code scanning, improve the scope of application of the Internet of Things terminal, the utility model comprises central processing unit 1; Said central processing unit 1 and data acquisition unit 7. The human-computer interaction unit for controlling and displaying the output of the data collection unit 7 and the network transmission unit 10 for transmitting the data collected by the data collection unit 7 are connected; the data collection unit 7 includes HF RFID Module 4, UHF RFID module 5 and barcode module 6, described HF RFID module 4, UHF RFID module 5 and barcode module 6 are all connected with central processing unit 1.

Specifically, the central processing unit 1 adopts an existing commonly used microprocessor, such as a single-chip microcomputer, etc., and the central processing unit 1 can select the type of data acquisition by the data acquisition unit 7 through the human-computer interaction unit. After the data acquisition unit 7 collects data, The central processing unit 1 performs simple filtering, analysis, integration, and packaging of the data, so as to display and output the data through the human-computer interaction unit or transmit the data to the information processing center through the network transmission unit 10 .

The network transmission unit includes a network communication module 11 and a WIFI module 9. The network communication module 11 includes a 3G module, through which the third generation digital communication can be realized. Of course, in specific implementation, communication modules such as 4G can also be used. The network communication module 11 and the WIFI module 9 are connected to the central processing unit 1 through a USB interface. The IoT terminal with the WIFI module 9 makes the application networking diverse and flexible. As the third-generation digital communication technology, 3G network has been deployed and applied in most countries. Compared with the second-generation communication technology 3G, the transmission speed of voice and data has been greatly improved. The Internet of Things terminal with 3G function makes its application scope wider, not limited to WIFI coverage area. Through the combination of WIFI and 3G network and other communication means, users can choose the appropriate means to complete the interaction with the external data platform according to the specific application occasion.

The human-computer interaction unit includes an LCD touch screen 13 , an LED indicator light 12 , a key circuit 2 and a buzzer 3 . Touch input and output of information can be carried out through the LCD touch screen 13, the LED indicator light 12 can carry out the indication of information, the button circuit 2 can input the required information into the central processing unit 1 and can be used for the selection of some information, the buzzer 3. It can output audio information such as alarm.

The central processing unit 1 , data acquisition unit 7 , human-computer interaction unit and network transmission unit 10 are all connected to a power management unit 8 for providing working power. The power management unit 8 can provide the power of the entire Internet of Things terminal. The power management unit 8 has the functions of power management and battery charging, and can support handle charging, DC input and USB charging, and the output voltage is boosted or bucked. To provide the required voltage value, the power management unit 8 may adopt a form commonly used in this technical field, as long as the power supply is satisfied, and details are not repeated here.

HF RFID module 4 works in the 13.56MHz frequency band and is compatible with three high-frequency protocols: ISO/IEC 14443A, ISO/IEC 14443B, and ISO/IEC 15693. Realize the communication with the CPU 1 through the four-wire SPI interface, and be responsible for completing the read and write operations on the RFID tags supporting the above three protocols.

UHF RFID module 5 works in the 860MHz-960MHz frequency band and is compatible with two UHF protocols, ISO 18000-6B and ISO 18000-6C. The communication with the central processing unit 1 is realized through the USB interface, and it is responsible for completing the reading and writing operations of the RFID tags supporting the above two protocols.

In the embodiment of the present utility model, the central processing unit 1 is connected with a fingerprint recognition processing unit 14 for fingerprint collection and recognition, and the fingerprint recognition processing unit 14 adopts an optical pressing module. The fingerprint identification processing unit 14 also provides operating voltage through the power management unit 8, and the fingerprint identification processing unit 14 can collect and identify fingerprints, and can transmit the fingerprint identification results to the central processing unit 1, and the identification results will be transmitted by the human-computer interaction unit. output. In addition, the fingerprint information collected by the fingerprint identification unit 14 can be transmitted by the central processing unit 1 to a remote server through the network transmission unit 10, and the server can perform fingerprint identification and comparison to improve identification efficiency and expand the application range of fingerprint identification.

Through the organic combination of RFID operation and barcode operation, it can be applied not only to one-dimensional/two-dimensional barcode recognition applications, but also to fields that require a longer operating distance and faster recognition speed, thus greatly expanding its application field. During specific implementation, the RFID operation and the barcode operation can be selected through the cooperation of the human-computer interaction unit and the central processing unit 1 .

The utility model performs interactive communication with the HF RFID module 4, UHF RFID module 5, barcode module 6, and human-computer interaction unit through the interface, and realizes the reading of high-frequency, ultra-high-frequency RFID tags and one-dimensional/two-dimensional barcode labels in one function, and can complete the data interactive communication with the external system platform through the network communication of the WIFI module 9 or the 3G module.

The above application of specific examples has set forth the principle and implementation of the present utility model, and the description of the above embodiments is only used to help understand the method of the present utility model and its core idea; meanwhile, for those of ordinary skill in the art, according to the present invention The idea of the utility model will have changes in specific implementation methods and application ranges. To sum up, the contents of this specification should not be construed as limiting the utility model.

Claims (6)

1. A multifunctional mobile Internet of Things terminal, comprising a central processing unit (1); it is characterized in that: the central processing unit (1) and the data acquisition unit (7) are used to collect data from the data acquisition unit (7) The human-computer interaction unit that controls and can display the output is connected with the network transmission unit (10) used to transmit the data collected by the data acquisition unit (7); the data acquisition unit (7) includes a HF RFID module (4), The UHF RFID module (5) and the barcode module (6), the HF RFID module (4), the UHF RFID module (5) and the barcode module (6) are all connected to the central processing unit (1). 2. The multifunctional mobile Internet of Things terminal according to claim 1, characterized in that: the network transmission unit includes a network communication module (11) and a WIFI module (9), and the network communication module (11) includes a 3G module . 3. The multifunctional mobile Internet of Things terminal according to claim 1, characterized in that: the human-computer interaction unit includes an LCD touch screen (13), an LED indicator light (12), a button circuit (2) and a buzzer ( 3). 4. The multifunctional mobile Internet of Things terminal according to claim 2, characterized in that: the network communication module (11) and the WIFI module (9) are connected to the central processing unit (1) through a USB interface. 5. The multifunctional mobile Internet of Things terminal according to claim 1, characterized in that: the central processing unit (1), the data acquisition unit (7), the human-computer interaction unit and the network transmission unit (10) are all connected with the user It is connected to the power management unit (8) that provides working power. 6. The multifunctional mobile Internet of Things terminal according to claim 1, characterized in that: the central processing unit (1) is connected to a fingerprint recognition processing unit (14) for fingerprint collection and recognition, and the fingerprint recognition processing The unit (14) adopts an optical pressing module.