CN203180248U - USB connector and USB transmission line with signal processing IC - Google Patents

Abstract

A USB connector with signal processing IC and a USB transmission line are provided, the USB transmission line comprises two USB connectors and more than two leads, wherein each USB connector comprises a circuit board, a tongue plate, more than two connecting terminals, a signal processing IC, an insulating shell and a metal shell. The tongue plate is connected with the circuit board, one end of each of the more than two connecting terminals is connected with the circuit board, and the other end of each connecting terminal extends into the tongue plate. The signal processing IC is electrically connected with the circuit board and is electrically connected with more than two connecting terminals through the circuit board. The insulating shell is coated outside the circuit board and the signal processing IC, and the metal shell is coated outside the tongue plate and the more than two connecting terminals. The signal processing IC can encrypt data and transmit the data to the outside through more than two connecting terminals, or decrypt the data received by more than two connecting terminals and transmit the data to the other end of the USB transmission line for application.

Description

USB connector and USB transmission line with signal processing IC

technical field

The utility model relates to a USB connector, in particular to a USB connector with a signal processing IC and a USB transmission line with the USB connector.

Background technique

In recent years, Universal Serial Bus (USB) connectors have become quite popular, and almost all electronic devices are equipped with at least one USB connector. In addition to the plug-and-play feature of the USB connector, because of its special pin definition (Vcc, D-, D+, GND), the electronic device can directly transmit power through the USB connector, which is quite convenient.

However, the convenience of the USB connector also brings problems for information security, because almost all electronic devices are equipped with USB connectors, so the third person only needs to carry a USB transmission line, or a mobile device with a USB interface. memory, just can arbitrarily steal digital data in electronic devices, or spread viruses to electronic devices. Therefore, there is a great need in the market for a USB device capable of encrypting output data and decrypting received data.

In addition, the existing standard USB connector can mainly provide 5V/500mA power output, and the converted success rate is about 2.5W, which is enough for most electronic devices, such as mobile phones, human-machine interface devices, and 2.5-inch external hard drives and other charging operations or operations. The fly in the ointment is that the power output of 5V/500mA is still not enough to supply the operation of some electronic devices that require high power, such as 3.5-inch external hard drives or notebook computers.

However, the existing USB connector can provide more than 2.5W of power, but because the USB connector has a plug-and-play feature, users are often used to directly unplug the USB transmission line from the USB connector during use. Therefore, if the USB connector directly provides a power output greater than 2.5W, without any detection mechanism, when the user performs the above hot-swapping behavior, the electronic device may be burned indirectly, which is quite dangerous.

Utility model content

In view of this, the main purpose of the utility model is to provide a USB connector with a signal processing IC and a USB transmission line with the USB connector, the data to be transmitted can be encrypted through the signal processing IC on the USB connector And decrypt the received data, so that the transmitted data, files, signals and instructions can be protected.

In view of this, another main purpose of the present utility model is to provide a USB connector with a signal processing IC and a USB transmission line with the USB connector, so that the USB connector can be plugged into a USB connector that can support large power transmission When the female head is inserted, the female head of the USB connector can be triggered to provide a power output greater than the standard value.

In order to achieve the above purpose, the utility model provides a USB connector with a signal processing IC, the USB connector includes: a circuit board; a tongue plate, connected to one side of the circuit board, the tongue plate has more than two terminals Groove; two or more connecting terminals, one end is electrically connected to the circuit board, and the other end is respectively extended in the two or more terminal grooves on the tongue plate, and is exposed outside the tongue plate; signal processing IC, electrically connected to the circuit board, and electrically connected to the two or more connection terminals through the circuit board, encrypts the data and then transmits it through the two or more connection terminals, and transmits the data to the two or more connection terminals. Deciphering the data received by more than one connecting terminal; an insulating shell, used to cover the circuit board and the signal processing IC; and a metal shell, connected to the insulating shell, and used to cover the tongue plate and the signal processing IC; two or more connecting terminals.

Further, the length of the metal shell is longer than the length of the tongue plate.

Further, the distance between the front edge of the tongue plate and the front edge of the metal shell is greater than 1.3mm.

Further, the distance between the front edge of the tongue plate and the front edge of the metal shell is between 1.35 mm and 1.6 mm.

Further, the distance between the front edge of the tongue plate and the front edge of the metal shell is 14 mm.

Further, the number of the two or more terminal slots is four, the number of the two or more connection terminals is four, and the USB connector is a male USB2.0 connector.

Further, the number of the two or more terminal slots is nine, the number of the two or more connection terminals is nine, and the USB connector is a male USB3.0 connector.

In order to achieve the above purpose, the utility model additionally provides a USB transmission line with the above-mentioned USB connector, the USB transmission line includes two USB connectors and more than two wires, one end of the two or more wires is electrically One of the USB connectors is connected, and the other end is electrically connected to the other USB connector.

Further, the two USB connectors are male USB2.0 connectors, and the number of the two or more wires is four.

Further, the two USB connectors are male USB3.0 connectors, and the number of the two or more wires is nine.

Compared with the prior art, the utility model has the effect that when the USB transmission line transmits data and signals, the signal processing IC on the USB connector can perform encryption/decryption processing. In this way, when the data is to be encrypted, it only needs to be transmitted through the USB transmission line of the present invention, and then the IC on the electronic device connected to the USB connector performs the decryption action; in addition, when the data to be received has been transmitted When using end-to-end encryption, the user can only successfully receive and decrypt the data by using the corresponding USB connector. In this way, the security of data transmission can be effectively improved.

In addition, a long metal shell is provided on the USB connector, so that when the USB connector is plugged into the USB connector female head that can support large power transmission, the USB connector female head can be successfully triggered to provide a power supply larger than the standard power output. In this way, the charging operation of the electronic device connected to the other end of the USB transmission line can be accelerated, or the USB transmission line can support the operation of the electronic device requiring higher power.

Description of drawings

Fig. 1 is the use schematic diagram of the first embodiment of the present utility model;

Fig. 2 is a three-dimensional schematic diagram of the connector of the first embodiment of the present invention;

3 is a schematic cross-sectional view of the connector of the first embodiment of the present invention;

Fig. 4 is a schematic diagram of plugging the connector of the first embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a connector according to a second embodiment of the present invention.

Explanation of reference signs

1. 1’ USB transmission line 2 wires

3. 3’ USB connector 31 circuit board

32 Tongue plate 321 Terminal slot

33 Connecting terminal 34 Signal processing IC

35 Insulated shell 36 Metal shell

37 Second connection terminal 4 Mobile device

5 Personal computer 6 Female connector

61 Insulation body 611 Tongue

612 Convex part 62 Lead terminal

63 Detection terminal 7 Main board

71 Power control IC L length

Detailed ways

The technical content and detailed description of the present utility model will be described as follows with the accompanying drawings, but the attached drawings are only for illustration purposes and are not intended to limit the present utility model.

Please refer to FIG. 1 , which is a schematic view of the first embodiment of the present invention. The utility model mainly discloses a universal serial bus (Universal Serial Bus, USB) transmission line 1, the USB transmission line 1 has more than two wires 2 and USB connectors 3 respectively connected to the two ends of the two or more wires 2, and more Specifically, one of the two USB connectors 3 is a connector male with a built-in signal processing integrated circuit (Integrated Circuit, IC), or the two USB connectors 3 can both be built-in signal processing An integrated circuit (Integrated Circuit, IC) connector male, but not limited.

The USB connectors 3 at both ends of the USB transmission line 1 can be used to connect two electronic devices respectively. In FIG. 1 , the mobile device 4 and the personal computer 5 are taken as examples, but not limited thereto. When the mobile device 4 is connected to the personal computer 5 through the USB transmission line 1, the mobile device 4 can transmit data to the personal computer 5 and receive the data transmitted from the personal computer 5, and can also receive the data through the USB transmission line 1. The power output provided by the personal computer 5 . Taking FIG. 1 as an example, the personal computer 5 can output power to the mobile device 4 through the female connector 6 thereon, so that the mobile device 4 can be charged. In addition, if the mobile device 4 is a device with low power, such as a mobile memory or a 2.5-inch external hard disk, the mobile device 4 can also be directly operated by the power supplied by the personal computer 5 .

In this embodiment, the personal computer 5 is mainly connected to the USB transmission line 1 through a female connector 6 capable of supporting large power output. If the USB connector 3 in the utility model is a USB connector male that can support large power output, then when the USB connector 3 is plugged into the connector female 6, the connector female 6 can be triggered. , so that the personal computer 5 provides an output power greater than the standard 5V/0.5mA (detailed below). In this way, the charging operation of the mobile device 4 connected to the other end of the USB transmission line 1 can be accelerated, or the USB transmission line 1 can support the operation of a mobile device 4 with a large power demand, such as a 3.5-inch external hard disk or a notebook computer wait.

Please refer to FIG. 2 and FIG. 3 at the same time, which are respectively a three-dimensional schematic view of the connector and a schematic cross-sectional view of the connector according to the first embodiment of the present invention. As shown in the figure, the USB connector 3 mainly includes a circuit board 31 , a tongue plate 32 , more than two connection terminals 33 and a signal processing IC 34 , and these components are covered by an insulating shell 35 and a metal shell 36 .

The circuit board 31 is a circuit board on which circuits are laid, and the tongue plate 32 is a tongue made of an insulating material (such as plastic). side. More than two terminal slots 321 are defined on the tongue plate 32 , and the number of the two or more terminal slots 321 corresponds to the number of the two or more connecting terminals 33 . One ends of the two or more connecting terminals 33 are respectively electrically connected to the circuit board 31 , and the other ends are respectively extended in the two or more terminal slots 321 on the tongue plate 32 and exposed outside the tongue plate 32 . In this way, when the USB connector 3 is plugged into the connector female head 6, the two or more connection terminals 33 exposed outside the tongue plate 32 can just be connected to the guides in the connector female head 6. The terminals are electrically connected to transmit data and power.

The signal processing IC 34 is electrically connected to the circuit board 31 , and is electrically connected to the two or more connection terminals 33 through the circuit board 31 . If the data or signals received by the two or more connecting terminals 33 from the outside have been encrypted, the decryption process can be performed by the signal processing IC 34, and then the decrypted data or signals can be transmitted to the other end of the USB transmission line 1 for further processing. use. For example, if the USB transmission line 1 receives encrypted data from the personal computer 5, the signal processing IC 34 in the USB connector 3 can decrypt the encrypted data, and then transmit the decrypted data to the mobile device 4 for use. On the contrary, when the mobile device 4 wants to transmit data through the USB transmission line 1, the data can be encrypted by the signal processing IC 34 in the USB connector 3 first, and then transmitted externally through the two or more connection terminals 33.

It is worth mentioning that the encryption/decryption process referred to in this embodiment can also refer to the conversion of specific specifications, for example, the encryption IC on the personal computer 5 (or the connector female head 6) converts the data into specific format, and then in the transmission process of the USB connector 3, the signal processing IC34 restores the data to the original format, so that the mobile device 4 can read it. Conversely, the USB transmission line 1 can also convert the data into a specific format by the signal processing IC34 in the data transmission process, and then transmit it to the personal computer 5, and the personal computer 5 (or the connector female head) 6) The decryption IC on the IC restores the data to its original format so it can be read.

As mentioned above, such benefit is that if the above-mentioned encryption/decryption IC is arranged on the motherboard of the personal computer 5, then the people in the industry can connect the USB transmission line 1 (or USB connector 3) of the present utility model with the encryption/decryption IC. The decryption IC (or the personal computer 5) is sold as a set. In addition, the above-mentioned encryption/decryption IC can also be directly built into the connector female head 6, so that people in the industry can complete the USB transmission line 1 (or USB connector 3) of the present utility model with the connector female head 6 Sales, so helpful for market promotion.

The insulating shell 35 is mainly used to cover the circuit board 31 and the signal processing IC 34 . The metal shell 36 is connected to one side of the insulating shell 35 by pasting, pressing, welding or other methods, and is used to cover the tongue plate 32 and the two or more connecting terminals 33 .

In the standard USB connector male head, the metal shell and the tongue plate have the same or similar length. When the metal shell covers the tongue plate, the front edge part of the metal shell and the front edge part of the tongue plate are Qie Qi. However, as mentioned above, in this embodiment, the USB connector 3 can be a male USB connector capable of supporting large power output, wherein the length of the metal shell 36 is longer than the length of the tongue 32 . As shown in FIG. 3 , there is a distance of length L between the front edge portion of the metal shell 36 and the front edge portion of the tongue plate 32 .

In this embodiment, the distance between the front edge portion of the tongue plate 32 and the front edge portion of the metal shell 36 , that is, the length L is greater than 1.3 mm. Preferably, the distance between the front edge of the tongue plate 32 and the front edge of the metal shell 36 is between 1.35 mm and 1.6 mm. And, optimally, the distance between the front edge portion of the tongue plate 32 and the front edge portion of the metal shell 36 is 1.4 mm, that is, the length L in FIG. 3 is 1.4 mm. However, the above descriptions are only preferred examples of the present invention, but not limited thereto.

Please refer to FIG. 4 , which is a schematic diagram of plugging the connector of the first embodiment of the present invention. As mentioned above, in this embodiment, the USB connector 3 can be a male USB connector that can support a large power output, and the female connector 6 can be a female USB connector that can support a large power output. As shown in the figure, the connector female head 6 mainly includes an insulating body 61, more than two conducting terminals 62 and at least one detection terminal 63. A protruding portion 612 is provided extending forward, wherein the length of the protruding portion 612 is slightly shorter than that of the tongue portion 611 . The two or more conducting terminals 62 are disposed in the tongue portion 611, and one ends of the two or more conducting terminals 62 are respectively exposed outside the tongue portion 611 for connecting with the two or more connecting terminals on the USB connector 3. The connecting terminals 33 are electrically connected, and the other ends are respectively bent and extended toward the bottom of the insulating body 61 , and protrude out of the bottom of the insulating body 61 . The connector female head 6 is electrically connected to the main board 7 (such as the main board of the personal computer 5) through the two or more conductive terminals 62, so that the main board 7 can be connected by the connector female head 6 and the USB connector. 3 Transmission of data and power.

The detection terminal 63 is disposed in the protrusion 612, and one end of the detection terminal 63 protrudes out of the protrusion 612, and the other end extends toward the bottom surface of the insulating body 61 and protrudes out of the insulating body 61. Out of the bottom surface, it is used to electrically connect the main board 7. The main board 7 is provided with a power control IC 71 , and the power control IC 71 is electrically connected to the detection terminal 63 on the connector female head 6 through the main board 7 . When the USB connector 3 is plugged into the connector female head 6, the power control IC 71 can judge whether the detection terminal 63 is triggered, and further judge that the USB connector 3 is a standard USB connector or can Connectors that support large power outputs.

More specifically, the depth of the female connector 6 capable of supporting large power output is slightly deeper than that of a standard USB female connector, and the detection terminal 63 is disposed on the rear edge of the protrusion 612 . Therefore, when a standard USB connector male is plugged into the connector female 6, the detection terminal 63 at the rear end cannot be triggered, so the connector female 6 will only output a standard 5V/0.5mA power supply.

As shown in FIG. 4 , the USB connector 3 is a male USB connector capable of supporting large power output, and the metal shell 36 thereon has a length longer than that of a standard male connector. When the USB connector 3 is plugged into the female connector 6 , the detection terminal 63 can be resisted by the longer metal shell 36 . When the detection terminal 63 is triggered, the power control IC 71 can know that the USB connector 3 can support large power output. Therefore, the power control IC 71 will control the connector female 6 to output a voltage/current greater than the standard value.

It is worth mentioning that in this embodiment, the USB transmission line 1 with the USB connector 3 and the mobile device 4 connected to the USB transmission line 1 need to support the output of a large power supply, such as the USB transmission line 1. The two or more wires 2 need to use thicker wires to withstand larger voltage/current, and a good power processing module needs to be installed in the mobile device 4 to receive and process larger power, etc. Otherwise, when the connection When the output of the female connector 6 is greater than the standard power, the USB transmission line 1 and/or the mobile device 4 may be burned.

Please refer to FIG. 5 , which is a schematic cross-sectional view of a connector according to a second embodiment of the present invention. In the embodiment shown in Figures 2 to 4, the USB connector 3 mainly takes a USB2.0 connector as an example, wherein the number of the more than two terminal slots 321 is four, and the number of the more than two connecting terminals 33 is 4, and in the USB transmission line 1, the number of the more than two wires is 4. In this embodiment, another USB transmission line 1' is disclosed. A USB connector 3' is provided at both ends of the USB transmission line 1', and the USB connector 3' is a USB3.0 connector.

As shown in the figure, the difference between the USB connector 3' and the USB connector 3 in the above-mentioned embodiment is that the USB connector 3' also includes more than two second connection terminals 37, and the more than two second connection terminals 37 One end of the terminal 37 is electrically connected to the circuit board 31 , and the other end is extended in the two or more terminal slots 321 on the tongue 32 and exposed outside the tongue 32 . In this embodiment, the number of the two or more terminal slots 321 is nine, the number of the two or more second connecting terminals 37 is five, and the two or more second connecting terminals 37 are located at the two or more connecting terminals. 33 rear. The USB connector 3' has nine connection terminals 33, 37 in total to form a USB3.0 transmission interface.

The USB transmission line 1 described in the utility model is mainly provided with a USB connector 3 at both ends of the two or more wires 2, and the USB connector adopted is a USB2.0 specification connector. The number of more than one conductors 2 is four. The USB transmission line 1' is provided with a USB connector 3' at both ends of the two or more wires 2, and the USB connector used is a connector of the USB3.0 specification. The number of the two or more wires 2 for 9 pieces.

The above descriptions are only specific descriptions of preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Any other equivalent transformations shall fall within the scope of the claims of the present application.

Claims (10)

1. A kind of USB connector with signal processing IC, it is characterized in that, this USB connector comprises: circuit board; A tongue plate, connected to one side of the circuit board, having more than two terminal slots on the tongue plate; More than two connecting terminals, one end is electrically connected to the circuit board, and the other end is respectively extended in the two or more terminal grooves on the tongue plate, and is exposed outside the tongue plate; The signal processing IC is electrically connected to the circuit board, and electrically connected to the two or more connection terminals through the circuit board, encrypts the data and then transmits it through the two or more connection terminals, and Deciphering the data received by the two or more connection terminals; an insulating case for covering the circuit board and the signal processing IC; and The metal shell is connected to the insulating shell and is used to cover the tongue plate and the two or more connection terminals. 2. The USB connector according to claim 1, wherein the length of the metal shell is longer than the length of the tongue plate. 3. The USB connector according to claim 2, wherein the distance between the front edge of the tongue plate and the front edge of the metal shell is greater than 1.3 mm. 4 . The USB connector according to claim 3 , wherein the distance between the front edge of the tongue plate and the front edge of the metal shell is between 1.35 mm and 1.6 mm. 5. The USB connector according to claim 4, wherein the distance between the front edge of the tongue plate and the front edge of the metal shell is 1.4 mm. 6. The USB connector according to claim 3, wherein the number of the two or more terminal slots is four, the number of the two or more connection terminals is four, and the USB connector is a USB2 .0 connector male. 7. The USB connector according to claim 3, wherein the number of the two or more terminal slots is nine, the number of the two or more connection terminals is nine, and the USB connector is a USB3 .0 connector male. 8. A USB transmission line with the USB connector according to claim 3, characterized in that, the USB transmission line comprises two USB connectors and more than two wires, one end of the two or more wires is electrically connected to a The other end of the USB connector is electrically connected to another USB connector. 9. The USB transmission cable according to claim 8, wherein the two USB connectors are USB2.0 male connectors, and the number of the two or more wires is four. 10. The USB transmission cable according to claim 8, wherein the two USB connectors are male USB3.0 connectors, and the number of the two or more wires is nine.

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