CN214409998U - Card reader based on wireless transmission system - Google Patents
Card reader based on wireless transmission system Download PDFInfo
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- CN214409998U CN214409998U CN202120445889.XU CN202120445889U CN214409998U CN 214409998 U CN214409998 U CN 214409998U CN 202120445889 U CN202120445889 U CN 202120445889U CN 214409998 U CN214409998 U CN 214409998U
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- card
- adapter
- miniature
- wireless transmission
- stabiliser
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Abstract
The utility model discloses a card reader based on wireless transmission system, which comprises a power supply, the electric output end series connection electricity of power is connected with the stabiliser, the electric output end series connection electricity of stabiliser is connected with miniature SD adapter, the inside grafting of miniature SD adapter has the storage card, miniature SD adapter 6's signal output part signal connection has the WIFI module, the signal output part signal connection of WIFI module has the customer end, supply power for miniature SD adapter through the power, carry out 3.3V steady voltage output through the stabiliser, data transmission to the WIFI module in the storage card, produce the WIFI signal and carry out file data transmission for the customer end, and can realize the storage card commonly used in the compatible life simultaneously through miniature SD adapter, the TF card, three kinds of storage cards of MMC card, thereby realize the wireless transmission storage card, the TF card, the target of MMC card data content.
Description
Technical Field
The utility model relates to a wireless transmission technical field especially relates to a card reader based on wireless transmission system.
Background
With the continuous development of internet technology, various electronic product devices are miniaturized at present, which also results in the reduction of the use of USB ports, and the current interface is generally a single interface, but the possible interfaces of products of different companies are completely different, which cannot meet the use requirements of cards of different shapes, so the device is a device for realizing the wireless transmission of data contents of SD cards, TF cards and MMC cards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing a card reader based on a wireless transmission system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a card reader based on wireless transmission system, includes the power, the electric output series connection of power is connected with the stabiliser, the electric output series connection of stabiliser is connected with miniature SD adapter, the inside grafting of miniature SD adapter has the storage card, miniature SD adapter 6's signal output part signal connection has the WIFI module, the signal output part signal connection of WIFI module has the customer end.
Further, the memory card adopts an SPI driving mode.
Furthermore, the micro SD adapter is internally provided with three jacks which can be respectively plugged with an SD card, a TF card and an MMC card.
Compared with the prior art, the beneficial effects of the utility model reside in that:
supply power for miniature SD adapter through the power, carry out 3.3V steady voltage output through the stabiliser, with data transmission to the WIFI module in the storage card, produce the WIFI signal and carry out file data transmission for the customer end, and can realize simultaneously compatible storage card commonly used in the life, TF card, three kinds of memory cards of MMC card through miniature SD adapter to realize the target of wireless transmission storage card, TF card, MMC card data content.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic diagram of a card reader based on a wireless transmission system according to the present invention.
In the figure: 1 power, 2 stabiliser, 3 storage cards, 4WIFI module, 5 customer ends, 6 miniature SD adapters.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, a card reader based on wireless transmission system, including a power supply 1, supplying power to a Micro SD adapter through the power supply 1, outputting voltage of 3.3V stabilized voltage through an AMS1117 voltage stabilizer, transmitting data in a memory card to ESP-12E, generating wifi signal to file data transmission for a client, and realizing compatibility with three memory cards of SD card, TF card and MMC card commonly used in life through a Micro SD adapter 6, thereby realizing the object of data content of wireless transmission SD card, TF card and MMC card, the power supply of the power supply 1 is 5V, the electrical output end of the power supply 1 is electrically connected with a voltage stabilizer 2, the electrical output end of the voltage stabilizer 2 is electrically connected with a Micro SD adapter 6, the Micro SD adapter 6 has three jacks therein for respectively plugging SD card, TF card and MMC card, the Micro SD adapter 6 is a Micro SD adapter, can realize compatible three kinds of memory cards of SD card, TF card, MMC card that are commonly used in the life simultaneously, the inside of miniature SD adapter 6 is pegged graft has memory card 3, the SD card is safe digital card, it is a memory device based on semiconductor flash memory, it has small, the fast characteristic of data transmission speed, can set for the use authority of storing, prevent that data from being duplicated by other people, possess the write protection switch simultaneously, the SD card has been widely applied to portable devices such as digital camera, personal digital assistant and multimedia player now, the SD card has two kinds of drive modes: an SPI mode and an SDIO mode are adopted in the design, an SPI driving mode is adopted in the design, namely 4 signal lines of CS chip selection, DI data input, SCLK clock and DO data output are adopted, the variable clock frequency is 0-25 MHz, the communication voltage range is 2.0-3.6V, an SPI mode of independent sequence input and sequence output is adopted in a transmission mode, the automatic power-off and automatic sleep-wake performance is realized, the intelligent power management is realized, the signal output end of a micro SD adapter 6 is the signal output end of a memory card 3, the signal output end of the micro SD adapter 6 is connected with a WIFI module 4 in a signal mode, the WIFI module 4 adopts an ESP8266-12E chip, the chip is internally provided with a 32-bit CPU, the chip can operate independently, can also be used as a slave machine to be carried on other host machine MCU to operate, and is widely applied to the fields of industrial wireless control, wireless sensors and the like, and the data transmission between a wireless card reader and a computer terminal can be realized through the chip, according to the design, interaction between the PC end and the card reader is achieved through Esp-12E, the ESP8266 module is set to be in an automatic transparent transmission mode, the service end serving as TCP is connected to indoor Wi-Fi, the PC end is connected with the port number of the indoor Wi-Fi monitoring service end, interaction with the Wi-Fi module is achieved, the wireless card reader is controlled through the Arduino IDE, data reading and writing in the memory card 3 of the wireless card reader are achieved, a remote non-contact data transmission technology is achieved, and the signal output end of the WIFI module 4 is in signal connection with the client 5.
The utility model discloses a theory of operation and use flow: supply power for miniature SD adapter through power 1, carry out 3.3V steady voltage output through AMS1117 stabiliser, data transmission to ESP-12E in the storage card, produce the wifi signal and carry out file data transmission for the customer end, and can realize compatible storage card, TF card, three kinds of memory cards of MMC card that use commonly in the life simultaneously through miniature SD adapter 6 to realize the target of wireless transmission storage card, TF card, MMC card data content.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. A card reader based on a wireless transmission system, comprising a power supply (1), characterized in that: the electric output end series connection of power (1) is connected with stabiliser (2), the electric output end series connection of stabiliser (2) is connected with miniature SD adapter (6), the inside grafting of miniature SD adapter (6) has memory card (3), the signal output part signal connection of miniature SD adapter (6) has WIFI module (4), the signal output part signal connection of WIFI module (4) has customer end (5).
2. A card reader based on a wireless transmission system according to claim 1, characterized in that: the memory card (3) adopts an SPI driving mode.
3. A card reader based on a wireless transmission system according to claim 1, characterized in that: the micro SD adapter (6) is internally provided with three jacks which can be respectively plugged with an SD card, a TF card and an MMC card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120445889.XU CN214409998U (en) | 2021-03-01 | 2021-03-01 | Card reader based on wireless transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120445889.XU CN214409998U (en) | 2021-03-01 | 2021-03-01 | Card reader based on wireless transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214409998U true CN214409998U (en) | 2021-10-15 |
Family
ID=78026813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120445889.XU Expired - Fee Related CN214409998U (en) | 2021-03-01 | 2021-03-01 | Card reader based on wireless transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214409998U (en) |
-
2021
- 2021-03-01 CN CN202120445889.XU patent/CN214409998U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211015 |