CN203660223U - Transmission device and transmission system - Google Patents

Abstract

The utility model provides a transmission device, which comprises an electric connector and a transmission structure; the transmission structure comprises a plurality of cables and a flexible flat cable, wherein the flexible flat cable is provided with a connecting part and a plugging part, one end of each cable is electrically connected with the electric connector, and the other end of each cable is electrically connected with the connecting part of the flexible flat cable. Furthermore, the utility model provides an in addition provide a transmission system, this transmission system includes foretell transmission device and board end connector, and above-mentioned board end connector has a slot, and this grafting portion detachable of this transmission plate spare is liftoff to install in this slot to form electric connection with this board end connector. Therefore, the utility model discloses a transmission structure is constituteed with soft flat winding displacement to reduce the produced decay when transmission structure transmits the signal.

Description

Transmission device and transmission system

【Technical field】

The utility model relates to a transmission device, and in particular to a transmission device and a transmission system for avoiding signal transmission attenuation.

【Background technique】

In the application of current transmission devices, the length of the flexible flat cable (FFC) is closely related to the quality of signal transmission. When the length of the flexible flat cable is too long, the signal will be poorly transmitted due to excessive attenuation during transmission. However, if you want to overcome this problem and replace the flexible flat cable with other signal transmission components, you need to consider that the connectors on the board end of the flexible flat cable are different, so the board end connector may need to be replaced And adjust the layout of the circuit on the board, which brings considerable inconvenience.

Therefore, the inventors of this utility model feel that the above-mentioned deficiencies can be improved, and Naite devoted himself to research and combined with the application of theories, and finally proposed a utility model with reasonable design and effective improvement of the above-mentioned deficiencies.

【Content of utility model】

The purpose of the utility model is to provide a transmission device and a transmission system that avoid signal transmission attenuation, and the transmission device and the transmission system of the utility model do not need to replace the board end connector and adjust the circuit layout on the board.

The utility model provides a transmission device, which includes: an electrical connector and a transmission structure; the transmission structure includes several cables and a flexible flat cable, and the flexible flat cable has a connecting part and a plug Connecting portion; one end of the cable is electrically connected to the electrical connector, and the other end is electrically connected to the connecting portion of the flexible flat cable.

In a preferred embodiment, the length of the flexible flat cable is not greater than 100 mm.

In another preferred embodiment, the transmission structure has a length greater than 100 mm.

In another preferred embodiment, the cables are welded to the connecting portion of the flexible flat cable, and the cables are bundled with a packaging material, and each has a core wire.

The utility model further provides a transmission system, which includes: a transmission device and a board end connector; the transmission device includes an electrical connector and a transmission structure, and the transmission structure includes several cables and a transmission board, and The transmission board has a connecting portion and a plugging portion; one end of the cable is electrically connected to the electrical connector, and the other end is electrically connected to the connecting portion of the transmission board; the board end connector has a slot, and the transmission board The inserting portion of the socket is detachably installed in the slot to form an electrical connection with the board end connector.

In another preferred embodiment, the transmission board is a flexible circuit board or a printed circuit board.

In another preferred embodiment, the transmission board includes a substrate and a plurality of conductive terminals, a surface of the substrate is formed with a plurality of accommodating grooves, and the conductive terminals are respectively assembled in the accommodating grooves, And one end of the conductive terminals is electrically connected to the cables, and the other end of the conductive terminals is electrically connected to the board connector.

In another preferred embodiment, the transmission board includes a substrate and a plurality of conductive terminals, the conductive terminals are embedded in the substrate, and one end of the conductive terminals is electrically connected to the cables, and the conductive terminals The other end is electrically connected to the board connector.

In another preferred embodiment, the transmission board includes a barrier, the barrier is integrally formed with the base plate, and the barrier separates the connection portion and the insertion portion.

In another preferred embodiment, the transmission structure has a length greater than 100 mm.

To sum up, the transmission device and the transmission system provided by the embodiment of the present utility model solve the problem of the flexible flat cable through the design of the transmission device (such as: flexible flat cable or transmission board connection cable). If the cable length is too long, there will be problems such as signal attenuation and poor signal transmission. Therefore, the structural design of connecting relatively short flexible flat cables (or transmission boards) with longer-sized cables makes it unnecessary to change the board-end connectors to other types of connectors, and of course it is not necessary to adjust the circuit board on the line layout, while relatively efficient to provide a reliable solution.

【Description of Drawings】

FIG. 1 is a three-dimensional schematic diagram of a transmission device according to a first embodiment of the present invention.

FIG. 2 is a partially enlarged schematic diagram of FIG. 1 .

FIG. 3 is a partially enlarged schematic diagram of another viewing angle in FIG. 1 .

FIG. 4 is a three-dimensional schematic diagram of the transmission system of the first embodiment of the present invention.

FIG. 5 is a three-dimensional schematic diagram of a transmission device according to a second embodiment of the present invention.

FIG. 6 is a partially enlarged schematic diagram of FIG. 5 .

FIG. 7 is an exploded schematic diagram of FIG. 6 .

FIG. 8 is a three-dimensional schematic diagram of a transmission system according to a second embodiment of the present invention. 【Symbol Description】

100, 100' transmission system

1. 1' transmission device

11 electrical connectors

12, 12' transmission structure

120 packaging materials

121 cable

                                                 

      122 flexible flat cable

                                                     

                                     

                                     

                                         

                           

                                                   

                                       

                                             

                                     

                                               

                                             

2 board header connectors

21 slots

3 circuit boards

【Detailed ways】

[first embodiment]

Please refer to FIG. 1 to FIG. 3 , which are the first embodiment of the present invention. This embodiment provides a transmission device 1 , which includes an electrical connector 11 and a transmission structure 12 connected to the electrical connector 11 . Wherein, the above-mentioned electrical connector 11 especially refers to a SATA connector, but is not limited thereto.

The transmission structure 12 includes several cables 121 and a flexible flat cable 122 (Flex Flat Cable, FFC). Wherein, the cables 121 are bundled with a packaging material 120 and each have a core wire 1211 . The core wires 1211 at one end of the cables 121 are electrically connected and positioned to the electrical connector 11 . The flexible flat cable 122 has an inserting portion 1221 and a connecting portion 1222 , and the other ends of the cables 121 are electrically connected and positioned at the connecting portion 1222 of the flexible flat cable 122 .

In more detail, the connecting portion 1222 and the plug-in portion 1221 are respectively located at opposite ends of the flexible flat cable 122 , and the connecting portion 1222 exposes a plurality of horizontal lines on one surface of the flexible flat cable 122 . There is a row of pads 1223 , while the plug portion 1221 exposes a plurality of contact points 1224 arranged in a row horizontally on the other surface of the flexible flat cable 122 . Furthermore, in this embodiment, the core wires 1211 at the other ends of the above-mentioned cables 121 are soldered to at least part of the pads 1223 of the connecting portion 1222 of the flexible flat cable 122, but the cables 121 and the flexible flat cable The connection method between the connecting parts 1222 of the flat cable 122 is not limited to welding.

It should be noted that the length of the transmission structure 12 in this embodiment is greater than 100 millimeters (mm), while the length of the flexible flat cable 122 is not greater than 100 millimeters. In this way, by limiting the length of the flexible flat cable 122, the problem of poor signal transmission such as signal attenuation caused by the length of the flexible flat cable 122 is effectively avoided; in addition, through the flexible flat cable 122 The connecting cable 121 enables the transmission structure 12 to have a longer length, so as to meet the needs of users. However, although the length of the transmission structure 12 and the length of the flexible flat cable 122 in this embodiment take the above data (greater than 100 mm) as an example, the length of the transmission structure 12 is not limited to this in actual application.

Please refer to FIG. 4 and refer to FIG. 3 in due course. This embodiment further provides a transmission system 100 , which includes the above-mentioned transmission device 1 , a board connector 2 , and a circuit board 3 . Wherein, the board end connector 2 is welded on the circuit board 3, and the type of the board end connector 2 in this embodiment is the connector type corresponding to the flexible flat cable 122, that is to say, the transmission in this embodiment The type of board end connector 2 used in the system 100 is designed to connect a relatively short flexible flat cable 122 with a relatively short cable 121 through a relatively long cable 121, so there is no need to replace it with a For other types of connectors, of course, there is no need to adjust the circuit layout on the circuit board 3 , thus providing a relatively effective and reliable solution.

In more detail, the board connector 2 has a slot 21, and the insertion portion 1221 of the flexible flat cable 122 is detachably installed in the slot 21, so that the contact of the flexible flat cable 122 The point 1224 abuts against the board connector 2 , thereby achieving an electrical connection between the transmission device 1 and the board connector 2 .

[Second embodiment]

Please refer to FIG. 5 to FIG. 7, which are the second embodiment of the present invention. This embodiment provides a transmission device 1', which includes an electrical connector 11 and a transmission structure 12' connected to the electrical connector 11. Wherein, the above-mentioned electrical connector 11 especially refers to a SATA connector, but is not limited thereto.

The transmission structure 12' includes several cables 121 and a transmission board. Wherein, the cables 121 are bundled with a packaging material 120 and each have a core wire 1211 . The core wires 1211 at one end of the cables 121 are electrically connected and positioned to the electrical connector 11 . The transmission board 123 has an insertion portion 1231 and a connection portion 1232 , and the other ends of the cables 121 are electrically connected and positioned at the connection portion 1232 of the transmission board 123 .

More specifically, the transmission board 123 includes a substrate 1233 , a barrier 1234 on the substrate 1233 , and a plurality of conductive terminals 1235 . Wherein, the plate surface of the base plate 1233 is recessed to form a plurality of elongated accommodation grooves 1236 arranged horizontally in a row, and the partition 1234 is integrally extended from the plate surface of the base plate 1233 and straddles the accommodation grooves 1236 structure. The conductive terminals 1235 are respectively inserted into the accommodating grooves 1236 , and the conductive terminals 1235 and the surface of the substrate 1233 are substantially coplanar, and the barrier 1234 also crosses the conductive terminals 1235 .

Wherein, the barrier 1234 divides the substrate 1233 and the conductive terminal 1235 into two parts, that is, the position of the substrate 1233 and the conductive terminal 1235 on one side of the barrier 1234 (as shown on the right side of the barrier 1234 in FIG. 6 ) is defined as The connection portion 1232 , and the base plate 1233 and the conductive terminal 1235 on the other side of the barrier 1234 (eg, the left side of the barrier 1234 in FIG. 6 ) are defined as the insertion portion 1231 . Furthermore, in this embodiment, the other end core wires 1211 of the above-mentioned cables 121 are welded on at least part of the conductive terminals 1235 located at the connecting portion 1232 of the transmission plate 123, but the cables 121 and the flexible flat The connection method between the connection parts 1232 of the flat cable 122 is not limited to welding.

In addition, the transmission board 123 can also be replaced by other methods besides the above-mentioned embodiment in which the conductive terminals 1235 are inserted into the accommodating grooves 1236 of the substrate 1233 . For example, the conductive terminals 1235 of the transmission board 123 are embedded in the substrate 1233 (similar to that shown in FIG. 6 ). Alternatively, in another non-illustrated implementation, the transmission board 123 is a flexible printed circuit (FPC) or a printed circuit board (PCB).

It should be noted that the length of the transmission structure 12' in this embodiment is greater than 100 mm, that is, the transmission structure 12' can have a longer length by connecting the cable 121 through the transmission plate 123, so as to meet the needs of users . However, although the length of the transmission structure 12' in this embodiment is taken as an example of the above-mentioned data (greater than 100 mm), in actual application, the length of the transmission structure 12' is not limited to this.

Please refer to FIG. 8 and refer to FIG. 7 in due course. This embodiment further provides a transmission system 100', which includes the above-mentioned transmission device 1', a board connector 2, and a circuit board 3. Wherein, the board end connector 2 is welded on the circuit board 3, and the type of the board end connector 2 in this embodiment is the connector type corresponding to the flexible flat cable 122 (that is, the same as that of the first embodiment) The type of board end connector 2 described above), that is to say, the type of board end connector 2 used in the transmission system 100' of this embodiment, is connected to a relatively short transmission board 123 by a longer-sized cable 121 Therefore, there is no need to replace it with other types of connectors due to structural changes of the transmission device 1 ′, and of course there is no need to adjust the circuit layout on the circuit board 3 , thereby providing a relatively effective and reliable solution.

More specifically, the board end connector 2 has a slot 21, and the insertion portion 1231 of the transmission board 123 is detachably installed in the slot 21, so as to be abutted by the conductive terminal 1235 of the transmission board 123 Connect the cable 121 to the board connector 2 (that is, one end of the conductive terminal 1235 is electrically connected to the cable 121, and the other end of the conductive terminal 1235 is electrically connected to the board connector 2), thereby achieving the connection between the transmission device 1' and the board connector 2. electrical connection.

[Possible effect of the utility model embodiment]

The transmission device and the transmission system provided by the embodiment of the utility model, through the design of the transmission device (such as: flexible flat cable or transmission board connection cable), to solve the problem that the length of the flexible flat cable is too long. Poor signal transmission problems such as signal attenuation. Therefore, the structural design of connecting relatively short flexible flat cables (or transmission boards) with longer-sized cables makes it unnecessary to change the board-end connectors to other types of connectors, and of course it is not necessary to adjust the circuit board on the line layout, while relatively efficient to provide a reliable solution.

The above description is only a preferred feasible embodiment of the utility model, and it is not used to limit the scope of the patent of the utility model. coverage.

Claims (10)

1. A transmission device, characterized in that the transmission device comprises: an electrical connector; and A transport structure comprising: a plurality of cables having one end electrically connected to the electrical connector; and A flexible flat cable has a connecting portion and a plug-in portion, and the other ends of the cables are electrically connected to the connecting portion of the flexible flat cable. 2. The transmission device according to claim 1, wherein the length of the flexible flat cable is not greater than 100 mm. 3. The transmission device of claim 1, wherein the length of the transmission structure is greater than 100 mm. 4. The transmission device according to any one of claims 1 to 3, wherein the cables are welded to the connecting portion of the flexible flat cable, and the cables are covered with a packaging material into a bundle, and each has a core wire. 5. A transmission system, characterized in that the transmission system comprises: A transmission device, which includes: an electrical connector and a transmission structure, the transmission structure includes: a plurality of cables, one end of the cables is electrically connected to the electrical connector; and a transmission board, which has a connection portion and a plug-in portion, and the other ends of the cables are electrically connected to the connection portion of the transmission board; and A board end connector has a slot, and the insertion portion of the transmission board is detachably installed in the slot to form an electrical connection with the board end connector. 6. The transmission system according to claim 5, wherein the transmission board is a flexible circuit board or a printed circuit board. 7. The transmission system according to claim 5, wherein the transmission board comprises a substrate and a plurality of conductive terminals, a surface of the substrate is formed with a plurality of accommodating grooves, and the conductive terminals are respectively assembled in One end of the conductive terminals is electrically connected to the cables, and the other end of the conductive terminals is electrically connected to the board connector. 8. The transmission system according to claim 5, wherein the transmission board comprises a substrate and a plurality of conductive terminals, the conductive terminals are embedded in the substrate, and one end of the conductive terminals is electrically connected to the The other ends of the conductive terminals are electrically connected to the board end connector. 9. The transmission system according to claim 7 or 8, wherein the transmission plate comprises a partition, the partition is integrally formed with the base plate, and the partition separates the connecting portion and the plug-in Connection department. 10. The transport system of claim 5, wherein the length of the transport structure is greater than 100 mm.

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