CN218938963U

CN218938963U - Wireless radio frequency reader-writer

Info

Publication number: CN218938963U
Application number: CN202223084209.XU
Authority: CN
Inventors: 徐中胜; 高维; 曾鹏
Original assignee: Hangzhou Msung Automatic Technology Co ltd
Current assignee: Hangzhou Msung Automatic Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-28
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a wireless radio frequency reader-writer which comprises a shell, a circuit board, an antenna, a light guide column and an aviation plug, wherein the antenna and the circuit board are arranged in the shell, and the antenna is electrically connected with the circuit board; the circuit board is provided with an indicator lamp, the light guide column is arranged on one side of the indicator lamp, and the light guide column extends to the end face of the shell; the aviation plug is arranged on one side of the shell; the circuit board is electrically connected with the aviation plug; and a glue sealing layer is arranged on the outer side of the shell. The indication signal of the indication lamp is led to the end face of the shell through the light guide column and is used for indicating the working state of the reader-writer; the aviation plug provides a connecting passage for power supply and data communication and can be waterproof; the glue seal layer seals the circuit board and the shell, and improves the protective performance of the wireless radio frequency reader-writer.

Description

Wireless radio frequency reader-writer

Technical Field

The utility model relates to the technical field of wireless radio frequency identification, in particular to a wireless radio frequency reader-writer.

Background

Radio frequency identification (RF id, rad I o Frequency I dent I f I cat I on) is a technology that automatically identifies a target object using radio frequency signals and acquires related information. RF id has found application in many fields: the method is used for warehouse management, production line management and the like in the logistics field; the method is used for managing sheep, cattle, fruits and the like in the field of agriculture and animal husbandry; used in medicine, personnel management, etc. in the medical field; the method is used for production management and material transportation management in the manufacturing field; the method is used for identifying equipment, collecting data and the like in the field of photovoltaic lithium batteries.

Under the working conditions of factories, warehouses and logistics, the RF ID reader-writer has certain requirements on the protection performance, such as the requirement that the reader-writer can be waterproof and dustproof. The existing RF ID reader-writer cannot meet the requirement, and is easy to damage or unstable in operation in the long-term use process.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides a wireless radio frequency reader-writer which has a waterproof and dustproof structure and improves the protection performance under special working conditions.

The utility model discloses a wireless radio frequency reader-writer which comprises a shell, a circuit board, an antenna, a light guide column and an aviation plug, wherein the antenna and the circuit board are arranged in the shell, and the antenna is electrically connected with the circuit board; the circuit board is provided with an indicator lamp, the light guide column is arranged on one side of the indicator lamp, and the light guide column extends to the end face of the shell; the aviation plug is arranged on one side of the shell; the circuit board is electrically connected with the aviation plug; and a glue sealing layer is arranged on the outer side of the shell.

Preferably, a clamping groove is formed in the shell, and a mounting buckle of the antenna is arranged on one side of the clamping groove;

the antenna is a microstrip antenna.

Preferably, a supporting piece of the antenna is arranged in the clamping groove.

Preferably, an installation groove of a light guide column is formed in the shell, and the light guide column is installed in the installation groove.

Preferably, the side wall of the mounting groove extends towards the circuit board;

one end of the light guide column is provided with a groove for accommodating the indicator lamp.

Preferably, a mounting hole of the light guide column is formed in the shell, a mounting boss is arranged on the inner side wall of the mounting hole, and the light guide column is in interference fit with the mounting boss.

Preferably, the aviation plug is mounted on one side of the shell through a nut.

Preferably, the utility model also comprises a microcontroller, a radio frequency chip, a storage module, a communication module and a power management module which are arranged on the circuit board;

the microcontroller is connected with the indicator lamp, the radio frequency chip, the storage module, the communication module and the power management module.

Preferably, the communication module is based on an RS485 communication protocol; the communication module and the power management module are electrically connected with the aviation plug.

Compared with the prior art, the utility model has the beneficial effects that: the indication signal of the indication lamp is led to the end face of the shell through the light guide column and is used for indicating the working state of the reader-writer; the aviation plug provides a connecting passage for power supply and data communication and can be waterproof; the glue seal layer seals the circuit board and the shell, and improves the protective performance of the wireless radio frequency reader-writer.

Drawings

FIG. 1 is a schematic diagram of a wireless RF reader-writer according to the present utility model;

FIG. 2 is a cross-sectional view of the housing;

FIG. 3 is a schematic diagram of sensing by a wireless RF reader;

fig. 4 is a logic block diagram of a wireless radio frequency reader.

The marks in the figure: 1 a shell, 11 an aviation plug, 12 a mounting buckle, 13 a clamping groove, 14 a supporting piece, 15 a mounting groove and 16 a mounting boss; 2, a glue sealing layer is adopted,

the antenna comprises a circuit board 3, a microcontroller 31, a radio frequency chip 32, a storage module 33, an indicator lamp 34, a communication module 35, a power management module 36 and an antenna 4; 5 light guide column, 6 electronic tags.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is described in further detail below with reference to the attached drawing figures:

1-4, a radio frequency (RFI D) reader-writer comprises a shell 1, a circuit board 3, an antenna 4, a light guide column 5 and an aviation plug 11, wherein the antenna 4 and the circuit board 3 are arranged in the shell 1, and the antenna 4 is electrically connected with the circuit board 3; the circuit board 3 is provided with an indicator lamp 34, the light guide column 5 is arranged on one side of the indicator lamp 34, and the light guide column 5 extends to the end face of the shell 1; the aviation plug 11 is arranged on one side of the shell 1; the circuit board 3 is electrically connected with the aviation plug 11; the outer side of the shell 1 is provided with an adhesive layer 2.

The indication signal of the indication lamp 34 is led to the end face of the shell 1 through the light guide column 5 and used for indicating the working state of the reader-writer; aviation plug 11 provides a connection path for power and data communication and can achieve I P67 waterproof grade; the adhesive layer 2 seals the openings of the circuit board 3 and the shell 1, which is beneficial to water resistance and dust resistance and improves the protective performance of the wireless radio frequency reader-writer; the antenna 4 is used for communication with the electronic tag 6, as shown in fig. 3, for reading data of the electronic tag 6.

Fig. 2 shows the general shape of the glue seal, but it should be noted that the glue seal may also fill the gap between the circuit board and the antenna, as well as the gap between the spaced light guiding posts and the housing.

Fig. 2 also shows the mounting structure of the antenna 4 and the light guiding column 5. A clamping groove 13 is formed in the shell 1, and an installation buckle 12 of the antenna 4 is arranged on one side of the clamping groove 13; the antenna 4 may be a microstrip antenna; the clamping groove 13 can also be provided with a support 14 for the antenna 4.

Example 1

The housing 1 is provided with a mounting groove 15 for the light guide column 5, and the light guide column 5 is mounted in the mounting groove 15. The end face of the shell 1 can be made of transparent or single transparent plastic or glass, which is beneficial to light transmission.

The side wall of the mounting groove 15 extends towards the circuit board 3 for supporting the circuit board; one end of the light guide column 5 is provided with a groove for accommodating the indicator lamp 34, and the indicator lamp is protected.

Example 2

Unlike embodiment 1, the mounting groove 15 is configured as a mounting hole. The inside wall of the mounting hole is provided with a mounting boss 16, and the light guide column 5 is in interference fit with the mounting boss 16. The light guide column 5 directly guides the indication light to the end face without passing through the housing 1.

The aviation plug 11 is mounted on one side of the housing 1 by a nut.

As shown in fig. 4, the present utility model further includes a microcontroller 31, a radio frequency chip 32, a memory module 33, a communication module 35, and a power management module 36 disposed on the circuit board 3; the microcontroller 31 is connected with the indicator light 34, the radio frequency chip 32, the memory module 33, the communication module 35 and the power management module 36.

The communication module 35 is based on an RS485 communication protocol, and is used for transmitting data, such as uploading the data identified from the electronic tag to a server, and receiving the data or instructions of the server. The communication module 35 and the power management module 36 are electrically connected to the aviation plug 11. The power management module 36 is used for providing voltage to the circuit board, filtering through inductance, voltage dropping and converting through the power chip, and connecting the voltage output terminal to the port of the microcontroller. The storage module 33 is used for storing the collected data; the microprocessor model may employ STM32 for data processing and instruction delivery, but is not limited thereto. The radio frequency chip 32 is used for the interconversion between radio signal communication and radio signal waveforms.

In the utility model, wireless signals are acquired through an antenna and converted through a radio frequency chip; the microprocessor transmits the acquired data to the base station and the server through the communication module; after processing the received data, the server sends synchronous data/feedback data to the reader-writer; the reader-writer stores the data into a user data area of the storage module, and an operator can read the data stored on the data storage module through the read-write equipment; the microprocessor may also control the indicator light according to the feedback data, for example, but not limited to, the data is wrongly indicated as red light and the data is recognized as normal to be indicated as green light. The utility model can realize real-time acquisition and real-time monitoring of the electronic tag data through the RS485 communication protocol. The design of the shell, aviation plug and glue sealing layer of the wireless radio frequency reader-writer improves the strength and the protection performance of the novel wireless radio frequency reader-writer, and can adapt to the working conditions of factories, warehouses and logistics.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A wireless radio frequency reader-writer is characterized by comprising a shell, a circuit board, an antenna, a light guide column and an aviation plug,

the antenna and the circuit board are arranged in the shell, and the antenna is electrically connected with the circuit board;

the circuit board is provided with an indicator lamp, the light guide column is arranged on one side of the indicator lamp, and the light guide column extends to the end face of the shell;

the aviation plug is arranged on one side of the shell; the circuit board is electrically connected with the aviation plug;

and a glue sealing layer is arranged on the outer side of the shell.

2. The wireless radio frequency reader-writer according to claim 1, wherein a clamping groove is arranged in the shell, and a mounting buckle of the antenna is arranged on one side of the clamping groove;

the antenna is a microstrip antenna.

3. The wireless radio frequency reader-writer according to claim 2, wherein a support for an antenna is provided in the card slot.

4. The wireless radio frequency reader-writer according to claim 1, wherein a mounting groove of a light guide column is provided in the housing, and the light guide column is mounted in the mounting groove.

5. The wireless radio frequency reader/writer according to claim 4, wherein a side wall of said mounting groove extends toward a circuit board;

6. The wireless radio frequency reader-writer according to claim 1, wherein a mounting hole of a light guide column is provided in the housing, a mounting boss is provided on an inner side wall of the mounting hole, and the light guide column is in interference fit with the mounting boss.

7. The wireless radio frequency reader/writer according to claim 1, wherein said aviation plug is mounted on one side of said housing by a nut.

8. The wireless radio frequency reader-writer according to claim 1, further comprising a microcontroller, a radio frequency chip, a memory module, a communication module and a power management module disposed on a circuit board;

9. The wireless radio frequency reader of claim 8, wherein said communication module and power management module are electrically connected to an aviation plug.