TWM597525U - Connector with high-frequency impedance function - Google Patents

Abstract

This creation relates to a connector with high-frequency impedance function. The connector includes a housing, at least one insulating rubber core and at least one terminal group. The housing has a plug interface; at least one insulating rubber core is fixed in the housing Part and corresponding to the plug interface configuration; at least one terminal group is fixed to the insulating rubber core, at least one terminal group includes at least one pair of high-frequency differential signal terminals, at least one pair of high-frequency differential signal terminals have two adjacent sides disposed adjacently, Two adjacent sides extend with two symmetrically arranged convex tabs, and the height of each convex tab is between 0.1 mm and 0.3 mm. In this way, to achieve the purpose of optimizing high-frequency noise interference.

Description

Connector with high-frequency impedance function

This creation is about a connector structure, and especially about a connector with high-frequency impedance function.

Universal Serial Bus (USB) is a serial port bus standard that connects computer systems and external devices. It is also a technical specification for input and output interfaces. It is widely used in information and communication products such as personal computers and mobile devices. And expanded to photography equipment, digital TV (set-top box), game consoles and other related fields.

However, with the miniaturization of electronic products, the volume of USB has also been greatly reduced, so that the distance of the conductive terminals in the USB is relatively close in space, resulting in interference between the conductive terminals, also commonly known as high-frequency noise interference, so how Solving the problem of high-frequency noise interference in USB is the focus that creators are eager to study.

In view of this, the creator then focused on the above-mentioned existing technologies, and dedicatedly studied and cooperated with the application of academic principles to try his best to solve the above problems, which became the goal of the creator's improvement.

This creation provides a connector with a high-frequency impedance function, which utilizes at least a pair of high-frequency differential signal terminals on two adjacent sides extending two tabs, each tab height is between 0.1 mm to 0.3 mm In order to achieve the purpose of optimizing high-frequency noise interference.

In this creative embodiment, the creative system provides a connector with a high-frequency impedance function, including: a housing with a plug-in interface; at least one insulating rubber core, which is fixed inside the shell and corresponds to the plug-in interface Configuration; and at least one terminal group, fixed to the at least one insulating rubber core, the at least one terminal group includes at least one pair of high-frequency differential signal terminals, the at least one pair of high-frequency differential signal terminals have two adjacent adjacent The two adjacent sides extend with two symmetrically arranged tabs, and the height of each tab is between 0.1 mm and 0.3 mm.

Based on the above, each tab is a trapezoidal tab that gradually decreases in length from the adjacent side. The length of the bottom of each trapezoidal tab is between 2.39 mm and 2.99 mm. The top of each trapezoidal tab The length of the bottom is between 1.7 mm and 2.3 mm, and the separation distance between each trapezoidal tab and the end of each high-frequency differential signal terminal is between 11.69 mm and 12.26 mm. Excellent high-frequency signal transmission performance (such as insertion loss and reflection loss) to achieve the purpose of optimizing high-frequency noise interference.

10: Connector

1: shell

11: Plug interface

2: insulating rubber core

3: Terminal group

31: High frequency differential signal terminal

311: adjacent side

312: contact section

313: end

314: buried section

32: Low frequency differential signal terminal

33: First ground terminal

34: Second ground terminal

35: Power terminal

4: tab

41: Trapezoidal tab

h: height

s: separation distance

w1: Lower bottom length

w2: upper sole length

Figure 1 is a three-dimensional assembly diagram of the creative connector.

FIG. 2 is a perspective assembled view of the creative connector with the housing removed.

Fig. 3 is a three-dimensional schematic diagram of the conductive terminal of this creation.

FIG. 4 is a schematic top view of the conductive terminal of this creation.

Figure 5 is the impedance test chart of this creative connector.

Figure 6 is another impedance test chart of the creative connector.

The detailed description and technical content of this creation will be explained in conjunction with the drawings below. However, the drawings are only for illustrative purposes, not for limiting this creation.

Please refer to FIG. 1 to FIG. 4. The present invention provides a connector with high-frequency impedance function. The connector 10 mainly includes a housing 1, one or more insulating rubber cores 2 and one or more terminal groups 3.

As shown in FIGS. 1 to 2, the housing 1 has a plug-in interface 11, and one or more insulating rubber cores 2 are fixed inside the housing 1 and configured corresponding to the plug-in interface 11. The number of the insulating rubber core 2 in this embodiment is two, but it is not limited to this.

As shown in FIGS. 3 to 4, the number of insulating rubber cores 2 is the same as the number of terminal groups 3. Each terminal group 3 is fixed to each insulating rubber core 2. Each terminal group 3 includes one or more pairs of high-frequency differential signals Terminal 31. The number of terminal groups 3 in this embodiment is two, but it is not limited to this.

The detailed description is as follows. The connector 10 of this embodiment conforms to the USB 3.0 Type A specification, so the number of high-frequency differential signal terminals 31 included in each terminal group 3 is two pairs, and each pair of high-frequency differential signal terminals 31 has adjacent Two adjacent sides 311 are provided, and each two adjacent sides 311 extend with two symmetrically arranged two convex pieces 4, and the height h of each convex piece 4 is between 0.1 mm and 0.3 mm.

In addition, each protruding piece 4 is a trapezoidal protruding piece 41 that gradually decreases in length from the adjacent side 311, and the lower bottom length w1 of each trapezoidal protruding piece 41 is between 2.39 mm and 2.99 mm. The length w2 of the upper bottom of the trapezoidal tab 41 is between 1.7 mm and 2.3 mm.

Furthermore, each high-frequency differential signal terminal 31 has a contact section 312 exposed at the socket 11, each contact section 312 has an end 313, and the separation distance s between each trapezoidal tab 41 and each end 313 is 11.69 Mm to 12.26 mm.

In addition, each high-frequency differential signal terminal 31 has a buried section 314 buried in the insulating rubber core 2, and each trapezoidal tab 41 extends from each buried section 314.

In addition, each terminal group 3 further includes a pair of low-frequency differential signal terminals 32, a first ground terminal 33, a second ground terminal 34, and a power terminal 35, the first ground terminal 33 and two pairs of high-frequency differential signal terminals 31 Commonly arranged on the upper side of the insulating rubber core 2, and the first ground terminal 33 is arranged between two pairs of high-frequency differential signal terminals 31, the pair of low-frequency differential signal terminals 32, the second ground terminal 34 and the power terminal 35 are jointly arranged in insulation The lower side of the rubber core 2, and the second ground terminal 34 is disposed on the left side of the pair of low-frequency differential signal terminals 32, and the power terminal 35 is disposed on the right side of the pair of low-frequency differential signal terminals 32.

In the use state of the creative connector 10, the two adjacent sides 311 of the pair of high-frequency differential signal terminals 31 are extended with two tabs 4, each tab 4 extends outward from the adjacent side 311 and gradually decreases in length Trapezoidal tabs 41, the height h of each trapezoidal tab 41 is between 0.1 mm and 0.3 mm, and the length w1 of the bottom of each trapezoidal tab 41 is between 2.39 mm and 2.99 mm, each The length w2 of the upper bottom of the trapezoidal tab 41 is between 1.7 mm and 2.3 mm, and the separation distance s between each trapezoidal tab 41 and the end 313 of each high-frequency differential signal terminal 31 is between 11.69 mm and 12.26 mm Through the design of the size of the tab 4, in order to have better high-frequency signal transmission performance (such as: insertion loss and reflection loss), to achieve the purpose of high-frequency optimization of noise interference.

Please refer to Figures 5 to 6 for the impedance test chart of this creative connector. The above impedance is tested using Time Domain Reflectometry (TDR). The abscissa of the test chart is Time (unit) It is sec. (second), and the ordinate is Current (unit: ohm). The test curve reflects the change of impedance. Among them, the connector 10 conforms to the USB 3.0 TypeA specification, and the impedance specification of the USB 3.0 TypeA is 85 ohm (ohm) ±5%, that is, between 80.75 ohm (ohm) and 89.25 ohm (ohm) as the reference value in the test.

It is further explained as follows. FIG. 5 shows that the height h of the trapezoidal tab 41 of the original creation is 0.3 mm, the length w1 of the lower bottom of the trapezoidal tab 41 is 2.99 mm, and the length w2 of the upper bottom of the trapezoidal tab 41 is 2.3 mm. Impedance test of the distance 41 between the tab 41 and the end 313 of the high-frequency differential signal terminal 31 is 12.26 mm In the figure, the peak and trough values of impedance waves marked at 1, 2, and 3 points do not exceed the range of 80.75ohm (ohm) to 89.25ohm (ohm) to meet their specifications.

In addition, FIG. 6 shows that the height h of the trapezoidal tab 41 of the original creation is 0.1 mm, the length w1 of the lower bottom of the trapezoidal tab 41 is 2.39 mm, and the length w2 of the upper bottom of the trapezoidal tab 41 is 1.7 mm. 41 and the end 313 of the high-frequency differential signal terminal 31 are separated by an impedance test chart of 11.69 mm, and the peak and trough values of impedance waves marked at 1, 2, 3, and 4 points do not exceed 80.75 ohm (ohm) to 89.25ohm (ohm) range to meet its specifications.

Therefore, the upper and lower limit values of the trapezoidal tab 41 do not exceed the range of 80.75 ohm (ohm) to 89.25 ohm (ohm) during the impedance test and meet their specifications. Therefore, the height h of each trapezoidal tab 41 is between 0.1 mm and 0.3 mm, and the length w1 of the bottom of each trapezoidal tab 41 is between 2.39 mm and 2.99 mm, and each trapezoidal tab 41 The length w2 of the upper base is between 1.7 mm and 2.3 mm, and the separation distance s between each trapezoidal tab 41 and the end 313 of each high-frequency differential signal terminal 31 is between 11.69 mm and 12.26 mm, etc. The size design of 4 does have better high-frequency signal transmission performance (such as: insertion loss and reflection loss).

In summary, the connector with high-frequency impedance function created in this work can indeed achieve the intended use, and solve the lack of knowledge, and has industrial applicability, novelty and progress, which fully meets the patent application requirements. To file an application in accordance with the Patent Law, please check and grant the patent in this case in detail to protect the rights of the creator.

3: Terminal group

31: High frequency differential signal terminal

311: adjacent side

312: contact section

313: end

314: buried section

33: First ground terminal

4: tab

41: Trapezoidal tab

h: height

s: separation distance

w1: Lower bottom length

w2: upper sole length

Claims (8)

A connector with high-frequency impedance function includes: a housing with a plug-in interface; at least one insulating rubber core, fixed in the housing and corresponding to the plug-in interface configuration; and at least one terminal group, fixed to the At least one insulating rubber core, the at least one terminal group includes at least one pair of high-frequency differential signal terminals, the at least one pair of high-frequency differential signal terminals have two adjacent sides disposed adjacently, and the two adjacent sides extend with a symmetrical configuration The height of each of the two tabs is between 0.1 mm and 0.3 mm. The connector with a high-frequency impedance function according to claim 1, wherein each of the tabs is a trapezoidal tab that extends outward from the adjacent side and gradually decreases in length. The connector with high-frequency impedance function according to claim 2, wherein the length of the lower bottom of each trapezoidal tab is between 2.39 mm and 2.99 mm. The connector with high-frequency impedance function as described in claim 3, wherein the length of the upper bottom of each trapezoidal tab is between 1.7 mm and 2.3 mm. The connector with high-frequency impedance function according to claim 4, wherein each of the high-frequency differential signal terminals has a contact section exposed to the socket, each of the contact sections has an end, and each of the trapezoidal tabs The separation distance from each end is between 11.69 mm and 12.26 mm. The connector with high-frequency impedance function according to claim 5, wherein each of the high-frequency differential signal terminals has a buried section buried in the at least one insulating rubber core, and each of the trapezoidal tabs extends from each buried section . The connector with high-frequency impedance function according to claim 6, wherein the connector conforms to the USB 3.0 TypeA specification, and the at least one pair of high-frequency differential signal terminals included in the at least one terminal group The number of the sub is two pairs, the at least one terminal group further includes a first ground terminal, the first ground terminal and the two pairs of high-frequency differential signal terminals are arranged on the upper side of the at least one insulating rubber core, and the first The ground terminal is provided between the two pairs of high-frequency differential signal terminals. The connector with high-frequency impedance function according to claim 7, wherein the at least one terminal group further includes a pair of low-frequency differential signal terminals, a second ground terminal, and a power terminal, the pair of low-frequency differential signal terminals, the first The two ground terminals and the power terminal are arranged on the lower side of the at least one insulating rubber core, and the second ground terminal is arranged on the left side of the pair of low frequency differential signal terminals, and the power terminal is arranged on the right side of the pair of low frequency differential signal terminals .

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