Display device based on radio frequency identification

Abstract

The utility model discloses a display device based on radio frequency identification, which comprises a device main body, the device main body comprises a display module, an intelligent label, a control module, a radio frequency module and a shielding module, the radio frequency module is arranged in a non-metal material area of the display module, and the shielding module is arranged on the display module. The control module is respectively connected with the display module, the radio frequency module and the shielding module, and a wave-absorbing material is arranged in the intelligent label. Through the above design, active or passive radio frequency electronic tags can be read and written remotely, and corresponding information can be displayed on the screen in real time, so that clients can directly look up all detailed data of products from the screen. And meanwhile, the technical problems of missed reading and serial reading caused by external interference in the electronic tag reading process in the prior art are solved, so that the reading result is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of display devices, in particular to a display device based on radio frequency identification. Background Art

[0002] With the development of science and technology, display technology plays an increasingly important role in various occasions. The main function of existing display devices is to display static information, which is limited to storing simple information for identification and management. It cannot directly display item information to customers through images in real time. The application field is narrow, and there are deficiencies in displaying dynamic information and interactivity. At the same time, the electronic tag reading process is easily disturbed by the outside world, resulting in missed reading, and it is also easy to cause cross-reading with RFID electronic tags installed nearby, which leads to serious consequences. Utility Model Content

[0003] In order to solve the technical defects mentioned in the above background technology, the purpose of the utility model is to provide a display device based on radio frequency identification, which has strong anti-interference ability and more accurate reading.

[0004] The utility model adopts the following technical solution: a display device based on radio frequency identification, including a device body, the device body including a display module, a smart label, a control module, a radio frequency module and a shielding module, the radio frequency module is installed in the non-metallic material area of ​​the display module, the control module is respectively connected to the display module, the radio frequency module, and the shielding module, and the smart label is provided with an absorbing material.

[0005] Furthermore, the display module includes a touch screen, which displays the information after the smart tag is read, including the quantity and picture of the item. The touch screen generates a selection instruction and sends it to the control module, and the control module controls the radio frequency module to search according to the smart tag.

[0006] Furthermore, the radio frequency module includes a radio frequency tag, an antenna and a reader. The radio frequency tag is used to receive a tag signal carried by an object and generate an identification signal to send to the control module. The antenna is used to connect the radio frequency tag to the reader and the reader to the control module. The reader is used to read and write data information in the radio frequency tag and manage the radio frequency tag.

[0007] Furthermore, the control module includes a processor and a memory, and the processor reads information about the object from the memory according to the identification signal and controls the dynamic display of the touch screen, and the information stored in the memory includes text, images, videos and preset information related to the object.

[0008] Furthermore, the shielding module includes a photoelectric sensor, and the photoelectric sensor is electrically connected to an input terminal of the processor.

[0009] Furthermore, the absorbing material includes rubber absorbing material, foam absorbing material, plastic absorbing material, surface absorbing material or low-frequency absorbing material.

[0010] Furthermore, the smart label is also provided with a positioning module.

[0011] To sum up, the beneficial effects of the utility model are as follows: by setting a display module, a smart label, a control module, a radio frequency module and a shielding module, the radio frequency module is installed in the non-metallic material area of ​​the display module, the control module is respectively connected to the display module, the radio frequency module and the shielding module, and the smart label is provided with absorbing material. Active or passive radio frequency electronic tags can be read and written at a long distance and the corresponding information can be displayed on the screen in real time. Customers can directly check all detailed information of the product from the screen. At the same time, the technical problem that the electronic tag reading process in the prior art is easily affected by external interference, resulting in missed reading and cross-reading, is overcome, and the reading result is more accurate.

[0012] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a flowchart of a display device embodiment based on radio frequency identification. DETAILED DESCRIPTION

[0014] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.

[0015] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0016] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.

[0017] like Figure 1 As shown, a display device based on radio frequency identification includes a device body, which includes a display module, a smart label, a control module, a radio frequency module and a shielding module. The radio frequency module is installed in the non-metallic material area of ​​the display module. The non-metallic material area of ​​the display module can provide a certain electromagnetic shielding effect to reduce the impact of external electromagnetic fields on the radio frequency module, protect the radio frequency module from electromagnetic interference, and prevent the radio frequency module from being mechanically damaged or affected by environmental factors. The control module is respectively connected to the display module, the radio frequency module and the shielding module, wherein the shielding module includes a photoelectric sensor, which is electrically connected to the input end of the processor. An absorbing material is provided in the smart label, and the absorbing material can be any one of a rubber absorbing material, a foam absorbing material, a plastic absorbing material, a surface absorbing material, and a low-frequency absorbing material. A positioning module is also provided on the smart label, which can feedback the location information of the object in real time, realize the flexible regulation of the display module, and can instantly control the reading, writing and identification of the smart label, reduce the impact of the external electromagnetic field on the device and protect the device from electromagnetic interference, and realize automatic object management and tracking.

[0018] The display module includes a touch screen for realizing human-computer interaction. The touch screen displays the information after the smart tag is read, including the quantity and picture of the item. The output end of the touch display screen is connected to the input end of the control module. The operator can select the working mode, start or stop reading the electronic tag through the touch display screen. The touch screen generates a selection instruction and sends it to the control module. The control module controls the radio frequency module to search according to the smart tag, and then the processor receives the selection instruction and controls the reader / writer to work according to the selection instruction, which is convenient and fast.

[0019] The RF module includes an RF tag, an antenna and a reader. The RF tag is used to receive the tag signal carried by the object and generate an identification signal to send to the control module. When the RF tag receives the signal from the reader, it will respond and send a signal containing the tag information to the control module. The antenna is used for communication between the RF tag and the reader, and the reader and the control module. It can realize long-distance transmission of signals, making communication between the RF tag and the reader possible. The reader is used to read and write data information in the RF tag and manage the RF tag. It can send RF signals of specific frequencies. When the RF tag enters the signal range, it will respond to the signal and send a signal containing its stored information back to the reader.

[0020] The control module is responsible for processing the identification signals sent by the radio frequency module and performing corresponding operations based on these signals, such as updating the screen display content, issuing an alarm, etc. In this embodiment, the control module includes a processor and a memory. The processor reads information about the object from the memory based on the identification signal and controls the dynamic display of the touch screen. The information stored in the memory includes text, images, videos and preset information related to the object.

[0021] The principle of the implementation mode of the present application is: by installing the radio frequency module in the non-metallic material area of ​​the display module, the control module is respectively connected to the display module, the radio frequency module, and the shielding module, and the absorbing material is set in the smart tag, the active or passive radio frequency electronic tag can be read and written at a long distance and the corresponding information can be displayed on the screen in real time. After contacting the smart tag through radio frequency identification, the item information can be quickly identified, and the customer can directly check all the detailed information of the product from the screen. At the same time, the technical problem of the electronic tag reading process in the prior art being easily affected by external interference, resulting in missed reading and cross-reading, is overcome, so that the reading result is more accurate.

[0022] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A display device based on radio frequency identification, comprising a device body, characterized in that: The device body includes a display module, a smart label, a control module, a radio frequency module and a shielding module. The radio frequency module is installed in the non-metallic material area of ​​the display module. The control module is respectively connected to the display module, the radio frequency module and the shielding module. The smart label is provided with absorbing material.

2. The display device based on radio frequency identification according to claim 1, characterized in that: The display module includes a touch screen, which displays the information after the smart tag is read, including the number and pictures of the items. The touch screen generates a selection instruction and sends it to the control module. The control module controls the radio frequency module to search according to the smart tag.

3. The display device based on radio frequency identification according to claim 1, characterized in that: The radio frequency module includes a radio frequency tag, an antenna and a reader. The radio frequency tag is used to receive the tag signal carried by the object and generate an identification signal to send to the control module. The antenna is used to communicate between the radio frequency tag and the reader, and between the reader and the control module. The reader is used to read and write data information in the radio frequency tag and manage the radio frequency tag.

4. The display device based on radio frequency identification according to claim 3, characterized in that: The control module includes a processor and a memory. The processor reads information about the object from the memory according to the identification signal and controls the touch screen to display dynamically. The information stored in the memory includes text, images, videos and preset information related to the object.

5. The display device based on radio frequency identification according to claim 4, characterized in that: The shielding module includes a photoelectric sensor, and the photoelectric sensor is electrically connected to an input terminal of the processor.

6. The display device based on radio frequency identification according to claim 1, characterized in that: The absorbing material includes rubber absorbing material, foam absorbing material, plastic absorbing material, surface absorbing material or low-frequency absorbing material.

7. The display device based on radio frequency identification according to claim 1, characterized in that: The smart label is also provided with a positioning module.

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