CN211264315U - Card reader - Google Patents
Card reader Download PDFInfo
- Publication number
- CN211264315U CN211264315U CN202020046639.4U CN202020046639U CN211264315U CN 211264315 U CN211264315 U CN 211264315U CN 202020046639 U CN202020046639 U CN 202020046639U CN 211264315 U CN211264315 U CN 211264315U
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- circuit board
- connector
- card reader
- usb connector
- main control
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Abstract
The utility model discloses a card reader, which comprises a circuit board, the USB connector is connected to circuit board one end, Type-C connector is connected to the circuit board other end, be equipped with main control unit and power module on the circuit board, power module is main control unit and USB connector connection respectively, main control unit is connected with USB connector and Type-C connector respectively. The beneficial effects of the utility model are that, it is compatible strong, can use the TF card of different grade type.
Description
Technical Field
The utility model relates to a computer accessories field, especially a card reader.
Background
The TF card reader has the function of converting the TF card communication protocol into the USB protocol so as to achieve the purpose of reading and writing the TF card information through a computer.
The TF cards in the market at present have various shapes, no unified standard exists, and manufacturers can not predict the customer requirements at all, so that the TF card reader has higher requirements on the compatibility of the TF card reader.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, a card reader is designed.
The technical scheme of the utility model be, a card reader, which comprises a circuit board, the USB connector is connected to circuit board one end, Type-C connector is connected to the circuit board other end, be equipped with main control unit and power module on the circuit board, power module is main control unit and USB connector connection respectively, main control unit is connected with USB connector and Type-C connector respectively.
The USB connector is a USB3.0 connector.
The circuit board is of a plate-shaped structure with a wide left side and a narrow right side.
And a wiring terminal connected with the USB connector is arranged at one wider end of the circuit board.
The narrower one end of circuit board is equipped with the binding post of connecting Type-C connector.
Advantageous effects
Utilize the technical scheme of the utility model the card reader of preparation, small adopts multiple function interface, and is stronger to the discernment and the compatibility of TF card.
Drawings
Fig. 1 is a schematic structural diagram of the card reader of the present invention;
fig. 2 is a circuit diagram of the main controller of the present invention;
fig. 3 is a circuit diagram of the USB connector according to the present invention;
FIG. 4 is a circuit diagram of a Type-C connector according to the present invention;
fig. 5 is a circuit diagram of the power supply module of the present invention;
in the figure, 1, a circuit board; 2. a USB connector; 3. a Type-C connector; 4. a main controller; 5. and a power supply module.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-5, the invention of the present application is characterized in that one end of the circuit board is connected to a USB connector 2, the other end of the circuit board is connected to a Type-C connector 3, the circuit board is provided with a main controller 4 and a power supply module 5, the power supply module is respectively connected to the main controller and the USB connector, and the main controller is respectively connected to the USB connector and the Type-C connector.
The following electrical device models are used in the present case:
as shown in FIG. 2, the main control chip completes the conversion of USB2.0 or USB3.0 protocol into SD card and TF card protocol.
As shown in fig. 3, the USB3.0 connector is used to connect a computer and the module, and plays a role in signal transmission and power supply, and the C1 and the C2 are signal coupling capacitors and play a role in isolating direct communication and alternating current;
as shown in fig. 4, the Type-C connector, functioning as signal transmission and power supply, can operate in USB2.0 and USB3.0 modes (completed by the connector structure), R8 is a mode switching resistor, and C22 and C23 are signal coupling capacitors.
As shown in FIG. 5, the power supply circuit is used for reducing the voltage of 5V supplied by USB5V (or Type-C) to 1.2V to supply power to the main control chip.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
In the technical solution of the present application,
1. and the USB3.0 interface is used for linking the computer and supplying power.
2. A main control chip: and the protocol conversion between the winodws and the TF card is performed.
3. A power supply circuit: and the required power supply is provided for each part of the circuit.
4. The carrier plate is used for signal connection.
The core of the module is a main control chip which converts a USB protocol of a computer end into a TF card protocol, so that the information of the windows is correctly transmitted to the TF card, and the information of the TF card is also correctly transmitted to the windows, thereby playing a role of bridging.
Preferably, the USB connector is a USB3.0 connector.
Preferably, the circuit board has a wide and narrow plate-like structure.
Preferably, the wider end of the circuit board is provided with a terminal for connecting a USB connector.
Preferably, the narrower end of the circuit board is provided with a connecting terminal for connecting a Type-C connector.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a card reader, includes circuit board (1), its characterized in that, USB connector (2) is connected to circuit board one end, Type-C connector (3) is connected to the circuit board other end, be equipped with main control unit (4) and power module (5) on the circuit board, power module is main control unit and USB connector connection respectively, main control unit is connected with USB connector and Type-C connector respectively.
2. The card reader of claim 1, wherein the USB connector is a USB3.0 connector.
3. The card reader of claim 1, wherein the circuit board is a plate-shaped structure with a width at the left and a width at the right.
4. The card reader of claim 3, wherein the wider end of the circuit board is provided with a terminal for connecting a USB connector.
5. The card reader of claim 1, wherein the narrower end of the circuit board is provided with a terminal for connecting to a Type-C connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046639.4U CN211264315U (en) | 2020-01-10 | 2020-01-10 | Card reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046639.4U CN211264315U (en) | 2020-01-10 | 2020-01-10 | Card reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211264315U true CN211264315U (en) | 2020-08-14 |
Family
ID=71958771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020046639.4U Active CN211264315U (en) | 2020-01-10 | 2020-01-10 | Card reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211264315U (en) |
-
2020
- 2020-01-10 CN CN202020046639.4U patent/CN211264315U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |