CN211015535U

CN211015535U - Portable radio frequency communication device

Info

Publication number: CN211015535U
Application number: CN202020122191.XU
Authority: CN
Inventors: 唐贻发
Original assignee: Guangxi Electrical Polytechnic Institute
Current assignee: Guangxi Electrical Polytechnic Institute
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-07-14
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a portable radio frequency communication equipment. The device comprises a flat cuboid-shaped shell and a USB joint protruding out of one end of the shell, wherein a display screen is arranged on one wider side surface of the shell, and an internal circuit is arranged in the shell; the internal circuit comprises a USB interface chip, an MCU, a read-write card module and an antenna, wherein the MCU is respectively connected with the USB interface chip, the display screen and the read-write card module, the USB interface chip is connected with a USB joint, and the read-write card module is connected with the antenna. The utility model discloses a combine RFID technique and USB interface technique to obtain non-contact's RFID read write line, make this radio frequency communication equipment can apply to more places.

Description

Portable radio frequency communication device

Technical Field

The utility model belongs to the radio frequency communication field, concretely relates to portable radio frequency communication equipment.

Background

Radio frequency communication, namely, information transmission by using radio frequency, is a wireless communication mode. The Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology and is also an expanded use of radio frequency communication, and its basic principle is to utilize radio frequency signals and spatial coupling (inductive or electromagnetic coupling) transmission characteristics to realize automatic identification of an identified object. Most of the existing radio frequency devices are fixedly arranged and are difficult to be suitable for more application places.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a simple structure's portable radio frequency communication equipment, have advantages such as conveniently carrying and using.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a portable radio frequency communication device comprises a flat cuboid-shaped shell and a USB joint protruding out of one end of the shell, wherein a display screen is arranged on one wider side surface of the shell, and an internal circuit is arranged in the shell; the internal circuit comprises a USB interface chip, an MCU, a read-write card module and an antenna, wherein the MCU is respectively connected with the USB interface chip, the display screen and the read-write card module, the USB interface chip is connected with a USB joint, and the read-write card module is connected with the antenna.

As a further improvement of the above technical solution:

the circuit inside the device integrates more elements relative to a common U disk and the like, so that the volume of the shell is increased; and the display screen occupies a large portion of the side of the housing. In order to facilitate the plugging and unplugging of the equipment and avoid the touch of the display screen during the plugging and unplugging, two wide side surfaces of the shell are respectively provided with a plugging assisting notch, two narrow side surfaces of the shell are respectively provided with a plugging assisting lug, and the plugging assisting notch and the plugging assisting lug are respectively positioned at one end far away from the USB connector. Furthermore, the insertion assisting notch and the side face of the shell where the pulling assisting lug is located are both provided with anti-skid grains. Furthermore, the insertion assisting notch is positioned in the middle of one end of the shell far away from the USB connector. When in use, the plug-in assisting notch is pinched, and the USB joint is connected with the USB interface of equipment such as a computer; when the finger is pulled out, the finger is pulled out through the pulling-assisted bump.

The end part of the shell, which is far away from the USB connector, is provided with a hanging ring so as to be convenient to carry and use.

The USB interface chip is preferably a CP2102 transit chip.

The model of the MCU is preferably P89L PC 922.

The type of the read-write card module is preferably FMl702S L.

Compared with the prior art, the utility model has the advantages that: the utility model discloses a portable radio frequency communication equipment is through combining RFID technique and USB interface technology to obtain non-contact's RFID read write line, make this radio frequency communication equipment can apply to more places, convenient to use is swift.

Drawings

Fig. 1 is a schematic view of the structure of the exterior of the preferred embodiment.

Fig. 2 is a block diagram of the internal circuitry of the embodiment of fig. 1.

The reference numbers in the figures are: 1. a USB connector; 2. a housing; 3. anti-skid lines; 4. drawing the convex block in an assisting way; 5. a display screen; 6. an insertion-assisting notch; 7. hanging a ring; 8. a USB interface chip; 9. MCU; 10. a read-write card module; 11. an antenna.

Detailed Description

The present invention will be described with reference to the accompanying drawings, wherein the specific embodiments are described herein for illustrative and explanatory purposes only and are not limiting.

As shown in fig. 1 and 2, the portable radio frequency communication device of this embodiment includes a flat rectangular parallelepiped housing 2 and a USB connector 1 protruding from one end of the housing 2, a display screen 5 is disposed on one wider side of the housing 2, an internal circuit is disposed in the housing 2, the internal circuit includes a USB interface chip 8, an MCU9, a card read/write module 10 and an antenna 11, the MCU9 is connected to the USB interface chip 8, the display screen 5 and the card read/write module 10, the USB interface chip 8 is connected to the USB connector 1, and the card read/write module 10 is connected to the antenna 11, wherein the USB interface chip 8 is a CP2102 adapting chip, the MCU9 is a P89L pc922, the card read/write module 10 is an FMl702S L, and the display screen 5 is a L ED screen.

In addition, two wider sides of the shell 2 are provided with an insertion assisting notch 6, two narrower sides are provided with a pulling assisting convex block 4, and the insertion assisting notch 6 and the pulling assisting convex block 4 are both positioned at one end far away from the USB connector 1. The anti-skid grains 3 are arranged in the insertion assisting concave opening 6 and the side surface of the shell 2 where the pulling assisting convex block 4 is positioned. The insertion-assisting recess 6 is located at the middle of the end of the housing 2 away from the USB connector 1. The end of the shell 2 far away from the USB connector 1 is provided with a hanging ring 7.

This portable radio frequency communication equipment gets the electricity from the USB mouth, possesses functions such as L ED state display, RFID card reading, can also communicate with the host computer through the USB interface, can satisfy practical application's demand well.

Claims

1. A portable radio frequency communication device, characterized by: the USB interface device comprises a flat cuboid-shaped shell (2) and a USB connector (1) protruding out of one end of the shell (2), wherein a display screen (5) is arranged on one wider side surface of the shell (2), and an internal circuit is arranged in the shell (2); the internal circuit comprises a USB interface chip (8), an MCU (9), a read-write card module (10) and an antenna (11), wherein the MCU (9) is respectively connected with the USB interface chip (8), the display screen (5) and the read-write card module (10), the USB interface chip (8) is connected with the USB joint (1), and the read-write card module (10) is connected with the antenna (11).

2. The portable radio frequency communication device of claim 1, wherein: two wider sides of the shell (2) are provided with an insertion assisting notch (6), two narrower sides are provided with a pulling assisting lug (4), and the insertion assisting notch (6) and the pulling assisting lug (4) are both located at one end far away from the USB connector (1).

3. The portable radio frequency communication device of claim 2, wherein: anti-skid grains (3) are arranged in the insertion assisting notch (6) and on the side face of the shell (2) where the pulling assisting lug (4) is located.

4. The portable radio frequency communication device of claim 2, wherein: the insertion assisting notch (6) is positioned in the middle of one end of the shell (2).

5. Portable radio frequency communication device according to claim 1 or 4, characterized in that: the end part of the shell (2) far away from the USB connector (1) is provided with a hanging ring (7).

6. The portable radio frequency communication device of claim 1, wherein: the USB interface chip (8) is a CP2102 switching chip.

7. The portable radio-frequency communication device according to claim 1, wherein the MCU (9) is of type P89L PC 922.

8. The portable radio frequency communication device according to claim 1, wherein the card read/write module (10) has a model number of FMl702S L.