WO2019179065A1

WO2019179065A1 - Memory card reader

Info

Publication number: WO2019179065A1
Application number: PCT/CN2018/104616
Authority: WO
Inventors: 庞卫文; 王平
Original assignee: 深圳市江波龙电子有限公司
Priority date: 2018-03-23
Filing date: 2018-09-07
Publication date: 2019-09-26
Also published as: CN108461946A

Abstract

A memory card reader. The memory card reader comprises a housing (10), a circuit board (20), a connection head (30), a connector (40) and a card holder (50), wherein the circuit board (20) is disposed in the housing (10), the connector (40) is disposed on the circuit board (20), and the connection head (30) is electrically connected to the circuit board (20). The memory card is placed in a memory card slot (511, 512) of the card holder (50), and the card holder (50) in which the memory card (101,102) is placed is inserted into a socket (111) of the housing (10), so that contact points of the memory card (101,102) abut against connection terminals (41, 42) of the connector (40). When the connection head (30) is connected to an external device, the memory card (101, 102), the connection terminals (41, 42), the circuit board (20) and the connection head (30) are sequentially electrically connected to the external device. Reading and writing for a non-standard memory card is carried out by means of an interface conversion circuit of the circuit board (20).

Description

Memory card reader

[Technical Field]

This application belongs to the field of card reader technology, and more particularly to a memory card reader.

【Background technique】

A card reader is an interface device for reading and writing a multimedia card as a mobile storage device in a computer. The existing memory card reader can only read and write data in the standard memory card, and cannot read and write data in the non-standard memory card.

[Summary of the Invention]

The purpose of the present application is to provide a memory card reader to solve the technical problem that the existing memory card reader cannot read and write data in the non-standard memory card.

To achieve the above objective, the technical solution adopted by the present application is to provide a memory card reader, including:

a housing having a socket;

a circuit board mounted in the housing and having an interface conversion circuit;

a connector electrically connected to the interface conversion circuit and for connecting to an external device;

a connector provided on the circuit board, including a connection terminal electrically connected to the interface conversion circuit;

A card holder for being inserted into the socket, having a memory card slot for accommodating a memory card, and a contact of the memory card abuts the connection terminal when the card holder is inserted into the socket.

The technical effect of the present application relative to the prior art is that a circuit board is disposed in the outer casing, and a connector is disposed on the circuit board, and the connector is electrically connected to the circuit board. The memory card is placed in the memory card slot of the card tray, and the card holder on which the memory card is placed is inserted into the socket of the casing so that the contact of the memory card abuts the connection terminal of the connector. When the connector is connected to the external device, the memory card, the connection terminal, the circuit board, the connector and the external device are electrically connected in sequence, and the interface conversion circuit of the circuit board is used to read and write the non-standard memory card.

[Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are only the present application. For some embodiments, other drawings may be obtained from those of ordinary skill in the art in light of the inventive workability.

1 is a perspective assembled view of a memory card reader provided by an embodiment of the present application;

Figure 2 is an exploded perspective view of the memory card reader of Figure 1;

3 is a perspective structural view of an upper cover applied to the memory card reader of FIG. 2;

4 is a perspective assembled view of a circuit board and a connector applied to the memory card reader of FIG. 2;

Figure 5 is a perspective assembled view of the connector applied to the memory card reader of Figure 2;

6 is a perspective assembled view of a circuit board, a connector, and a connector applied to a memory card reader according to another embodiment of the present application;

Figure 7 is a perspective structural view of a connector applied to the memory card reader of Figure 6.

【detailed description】

The present application will be described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the application and are not intended to be limiting.

It is to be noted that when an element is referred to as being "fixed" or "in" another element, it can be directly on the other element or indirectly. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top" The orientation or positional relationship of the "bottom", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present application and simplified description, rather than indicating or implying The device or component must have a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

Referring to FIG. 1 and FIG. 2 together, the memory card reader provided by the present application includes a casing 10, a circuit board 20, a connector 30, a connector 40, and a card holder 50. The housing 10 has a socket 111; the circuit board 20 is mounted in the housing 10, and the circuit board 20 has an interface conversion circuit; the connector 30 is electrically connected to the interface conversion circuit, and the connector 30 is used for connection with an external device; the connector 40 is provided at The circuit board 20 includes a connection terminal 41 (42) electrically connected to the interface conversion circuit; the card holder 50 is for plugging into the socket 111, and the card holder 50 has a memory card slot for accommodating the memory card 101 (102). 511 (512), when the card holder 50 is inserted into the socket 111, the contact of the memory card 101 (102) abuts against the connection terminal 41 (42).

A circuit board 20 is disposed in the outer casing 10. The circuit board 20 is provided with a connector 40. The connector 30 is electrically connected to the circuit board 20. The memory card is placed in the memory card slot of the card tray 50, and the card tray 50 on which the memory card is placed is inserted into the socket 111 of the casing 10 such that the contacts of the memory card abut against the connection terminals of the connector 40. When the connector 30 is connected to the external device, the memory card 101 (102), the connection terminal 41 (42), the circuit board 20, and the connector 30 are electrically connected in sequence to the external device, and the interface conversion circuit of the circuit board 20 realizes non-standard. Read and write of the memory card.

The circuit board 20 is a printed circuit board that is easy to manufacture and assemble. The interface conversion circuit belongs to the prior art and is used to implement signal conversion between different interfaces. The connector 30 is a USB connector or other connector for establishing a connection with a computer or other external device to read and write data on the memory card.

Further, as a specific implementation manner of the memory card reader provided by the present application, the outer casing 10 includes a lower casing 11 having an opening 112 and an upper cover 12 covering the opening 112. The socket 111 is formed in the lower casing 11. The structure is easy to process and assemble, the circuit board 20 is assembled in the lower case 11, and the upper cover 12 is closed, and the connector 30 is located outside the outer casing 10.

Further, please refer to FIG. 4 as a specific implementation manner of the memory card reader provided by the present application. The inner bottom surface of the lower case 11 is extended to form a positioning post 113, and the circuit board 20 is opened for the positioning post 113 to pass through. Positioning hole 21. The positioning hole 21 of the circuit board 20 is engaged with the positioning post 113 of the lower case 11, so that the circuit board 20 can be fixed in the lower case 11, which is easy to assemble.

Further, as a specific embodiment of the memory card reader provided by the present application, the inner wall of the lower case 11 at the opening 112 is provided with a support edge 114 for supporting the circuit board 20. The structure is easy to process. When the circuit board 20 is supported on the support edge 114, the connector 30 is flush with the edge of the side wall of the lower case 11 and located outside the lower case 11, and the connection terminal of the connector 40 is placed at a predetermined position. When the card holder 50 having the memory card is inserted into the socket 111 of the casing 10, the contacts of the memory card can abut against the connection terminal.

Further, please refer to FIG. 2 and FIG. 3 . As a specific implementation manner of the memory card reader provided by the present application, the inner wall of the upper cover 12 is provided with two spaced apart distributions and is used for guiding the limit of the card holder 50 . Guide bar 121. The guide limit strip 121 has an L-shaped cross section, and the two guide limit strips 121 guide and limit the insertion of the clip 50 into the outer casing 10.

Further, referring to FIG. 5 , as a specific implementation manner of the memory card reader provided by the present application, the connector 40 includes a fixing frame 43 mounted on the circuit board 20 , and the connection terminal includes a first connection to the fixing frame 43 . In the terminal 41, the longitudinal direction of the first terminal 41 is the same as the insertion direction of the insertion slot 111 of the card holder 50. The first terminal 41 is formed with a first abutting portion 41a and a first soldering portion 41b, and the first soldering portion 41b is soldered. On the circuit board 20. The first terminal 41 is mounted to the circuit board 20 through the fixing frame 43. The first terminal 41 has elasticity, and the first abutting portion 41a realizes reading and writing of the memory card when abutting against the contact of the memory card.

Further, as a specific implementation manner of the memory card reader provided by the present application, the connection terminal further includes a second terminal 42 connected to the fixing frame 43 , and the longitudinal direction of the second terminal 42 and the insertion of the card tray 50 into the socket 111 The insertion direction is the same, the second abutting portion 42a and the second welding portion 42b are formed at both ends of the second terminal 42, and the second welding portion 42b is welded to the circuit board 20. The first terminal 41 and the second terminal 42 are fixed by the fixing frame 43, so that the first terminal 41 and the second terminal 42 can be integrally formed, and only need to be mounted once when the memory card reader is produced, which simplifies the production process. , saving production costs. The first terminal 41 and the second terminal 42 have elasticity. When the first abutting portion 41a and the second abutting portion 42a respectively abut the contacts of different memory cards, the two types of memory cards are respectively read and written, and once. Only one type of memory card can be read or written.

Further, as a specific implementation manner of the memory card reader provided by the present application, the fixing frame 43 includes four mounting arms 431 which are distributed in a rectangular shape and are connected end to end. The first terminal 41 and the second terminal 42 are respectively connected to Two opposite mounting arms 431. The first terminal 41 and the second terminal 42 are fixed by the fixing frame 43 so that the first terminal 41 and the second terminal 42 can be integrally formed, thereby respectively performing reading and writing of the two types of memory cards.

Further, as a specific implementation manner of the memory card reader provided by the present application, the first abutting portion 41a and the second abutting portion 42a are both located inside the fixing frame 43, and the first abutting portion 41a and the second portion The abutting portions 42a are disposed to face each other, and the first welded portion 41b and the second welded portion 42b are respectively located outside the two opposite mounting arms 431. Referring to FIG. 2 at the same time, the first terminal 41 is disposed adjacent to the socket 111 of the outer casing 10, and the second terminal 42 is disposed away from the socket 111 of the outer casing 10. The contacts of the two types of memory cards are respectively abutted on the first abutting portion 41a and the second abutting portion 42a, respectively, to read and write the two types of memory cards, and only one type of memory card can be read and written at a time.

Further, referring to FIG. 6 and FIG. 7 , as a specific implementation manner of the memory card reader provided by the present application, the fixing frame 43 has a through hole 432 , and the first abutting portion 41 a is located at the through hole 432 , and the second The abutting portion 42a is located outside the one of the mounting arms 431, and the first abutting portion 41a and the second abutting portion 42a are disposed in the same direction, and the first welded portion 41b and the second welded portion 42b are both located outside the same mounting arm 431. . The first terminal 41 is disposed adjacent to the socket of the housing, and the second terminal 42 is disposed away from the socket of the housing. The contacts of the two types of memory cards are respectively abutted on the first abutting portion 41a and the second abutting portion 42a, respectively, to read and write the two types of memory cards, and only one type of memory card can be read and written at a time. When the cartridge 50 is inserted into the lower case, the second terminal 42 is not folded over, increasing the service life of the second terminal 42. The ends of the first terminal 41 and the second terminal 42 pass through the fixing frame 43 and form a first welding portion 41b and a second welding portion 42b at the rear end of the fixing frame 43, respectively, and the first welding portion 41b and the second welding portion 42b are welded. On the printed circuit board 20.

Further, referring to FIG. 5 , as a specific implementation manner of the memory card reader provided by the present application, the soldering frame 433 is disposed on both sides of the fixing frame 43 . This structure enables the connector 40 to be more securely attached to the circuit board 20.

Further, referring to FIG. 2, as a specific implementation manner of the memory card reader provided by the present application, the first terminal 41 is an ISO7816 interface terminal for establishing a connection with the NANO SIM memory card 101, and the NANO SIM memory card 101 The memory card has a NANO SIM card shape; the second terminal 42 is a Micro SD card 102 interface terminal for establishing a connection with the Micro SD card 102.

Further, as a specific implementation manner of the memory card reader provided by the present application, the card holder 50 includes a plate portion 51 and a handle portion 52 connected to the plate portion 51. The memory card slot is opened in the plate portion 51. The memory card slot is divided into a first card slot 511 for accommodating the NANO SIM card 101, and a second card slot 512 communicating with the first card slot 511 for accommodating the Micro SD card 102. The second card slot 512 has a larger area than the first card slot 511. The first card slot 511 is in communication with the second card slot 512. The first card slot 511 and the second card slot 512 have a overlapping area, and the first card slot 511 is adjacent to the first card slot 511. The handle portion 52 is provided. Two kinds of memory cards are respectively placed to realize reading and writing of two types of memory cards, and only one type of memory card can be read and written at a time.

The above is only the preferred embodiment of the present application, and is not intended to limit the application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application are included in the scope of the present application. Inside.

Claims

Memory card reader, which includes:

a housing having a socket;

a circuit board mounted in the housing and having an interface conversion circuit;

a connector electrically connected to the interface conversion circuit and for connecting to an external device;

a connector provided on the circuit board, including a connection terminal electrically connected to the interface conversion circuit;

A card holder for being inserted into the socket, having a memory card slot for accommodating a memory card, and a contact of the memory card abuts the connection terminal when the card holder is inserted into the socket.
The memory card reader of claim 1, wherein the outer casing comprises a lower casing having an opening and an upper cover covering the opening, the socket being opened to the lower casing.
The memory card reader according to claim 2, wherein the inner bottom surface of the lower case is extended to form a positioning post, and the circuit board is provided with a positioning hole through which the positioning post passes.
The memory card reader of claim 2, wherein an inner wall of the lower case at the opening is provided with a support edge for supporting the circuit board.
The memory card reader of claim 2, wherein the inner wall of the upper cover is provided with two guide strips spaced apart and configured to limit the position of the card holder.
The memory card reader of claim 1, wherein the connector comprises a fixing frame mounted to the circuit board, the connection terminal comprising a first terminal connected to the fixing frame, the first The longitudinal direction of the terminal is the same as the insertion direction of the card insertion into the socket, and the first terminal is formed with a first abutting portion and a first soldering portion, and the first soldering portion is soldered to the circuit board.
A memory card reader according to claim 6, wherein said connection terminal further includes a second terminal connected to said fixing frame, a longitudinal direction of said second terminal and said card holder being inserted into said socket The insertion direction is the same, and both ends of the second terminal are formed with a second abutting portion and a second welding portion, and the second welding portion is welded to the circuit board.
The memory card reader according to claim 7, wherein the fixing frame comprises four mounting arms arranged in a rectangular shape and connected end to end, and the first terminal and the second terminal are respectively connected to two opposite ends. The mounting arms are distributed.
The memory card reader according to claim 8, wherein the first abutting portion and the second abutting portion are both located inside the fixing frame, and the first abutting portion and the first portion The two abutting portions are disposed facing each other, and the first welding portion and the second welding portion are respectively located outside the two opposite mounting arms;

Or the fixing frame has a through hole, the first abutting portion is located at the through hole, and the second abutting portion is located at an outer side of one of the mounting arms, the first abutting portion and the The second abutting portion is disposed in the same direction, and the first welded portion and the second welded portion are both located outside the same one of the mounting arms.
The memory card reader of claim 6, wherein the fixing frame is provided with solder tabs on both sides thereof.
The memory card reader of claim 7, wherein the fixing frame is provided with solder tabs on both sides thereof.
The memory card reader of claim 8, wherein the fixing frame is provided with solder tabs on both sides thereof.
The memory card reader of claim 9, wherein the fixing frame is provided with solder tabs on both sides thereof.
The memory card reader of claim 7, wherein the first terminal is an ISO 7816 interface terminal and the second terminal is a Micro SD card interface terminal.
The memory card reader of claim 8 wherein said first terminal is an ISO 7816 interface terminal and said second terminal is a Micro SD card interface terminal.
The memory card reader of claim 9, wherein the first terminal is an ISO 7816 interface terminal and the second terminal is a Micro SD card interface terminal.
The memory card reader according to claim 7, wherein the card holder includes a plate portion and a handle portion connected to the plate portion, and the memory card slot is opened in the plate portion, The memory card slot is divided into a first card slot for accommodating the NANO SIM card, and a second card slot for communicating with the first card slot for accommodating the Micro SD card.
The memory card reader according to claim 8, wherein the card holder includes a plate portion and a handle portion connected to the plate portion, and the memory card slot is opened in the plate portion, The memory card slot is divided into a first card slot for accommodating the NANO SIM card, and a second card slot for communicating with the first card slot for accommodating the Micro SD card.
The memory card reader according to claim 9, wherein the card holder includes a plate portion and a handle portion connected to the plate portion, and the memory card slot is opened in the plate portion, The memory card slot is divided into a first card slot for accommodating the NANO SIM card, and a second card slot for communicating with the first card slot for accommodating the Micro SD card.