TW202029586A - Connector structure for increasing power supply current forming the connector structure for supplying a heavy current by virtue of a structure that the power supply terminal, the grounding terminal and the cable are jointly welded on the welding pads - Google Patents

Abstract

This invention relates to a connector structure for increasing a power supply current. The connector structure is provided with an insulation body. The insulation body is provided with a terminal block. The terminal block is internally provided with a plurality of conducting terminals. Each of the conducting terminals is composed of at least one power supply terminal, at least one grounding terminal and a plurality of signal terminals. The connector is abutted-joint with a circuit board. The circuit board is provided with a plurality of welding pads. The power supply terminal and a line terminal of a cable are jointly welded on a welding pad corresponding to the circuit board. The grounding terminal and a line terminal of another cable are also jointly welded on the welding pad corresponding to the circuit board. The connector structure for supplying a large current is formed by virtue of a structure that the power supply terminal, the grounding terminal and the cable are jointly welded on the welding pads.

Description

Connector structure to increase power supply current

The present invention provides a connector structure for increasing power supply current, especially a structure in which a power terminal, a ground terminal and a cable are jointly welded to a welding pad to form a connector structure for supplying large current.

According to, Universal Serial Bus (USB) is widely used in electronic products. Electronic products can be charged, transmitted data and expanded by peripheral devices through the Universal Serial Bus. According to its evolution process, it includes USB1.0, 1.1, 2.0 , 3.0, 3.1. . . The specifications developed according to the needs of different electronic products, including USB TYPE A, B, C; and various specifications are differentiated according to their size, including Normal, Mini, Micro, and various USB electrical connectors are mixed according to specifications and sizes Matching, that is, the application of various electronic products has been developed.

The connector of the USB TYPE C is an oval jack, which can be charged without distinguishing the front and the back when installed in the mobile electronic device, which has excellent convenience. Furthermore, the maximum output voltage of the USB TYPE C interface is 20 volts (V); the maximum output current is 5 amperes (A), and its output power is higher and smaller than the traditional USB TYPE A interface. However, due to its small size, the conductive terminals in the connector (especially the power terminal and the ground terminal) can be arranged in a very narrow space, causing the output current to be far from Reached the rated specifications.

Furthermore, because the wiring design of the conventional USB TYPE C connector is limited by its small space, first put a plurality of conductive terminals in the terminal slot of the terminal base, and the welding end of the conductive terminal is soldered to a circuit board On the first soldering pad, a plurality of second soldering pads are provided on the same circuit board to solder a plurality of cables, and a plurality of wires are arranged between the first soldering pad and the second soldering pad to make an electrical connection to form the conductive The electrical connection structure between the terminal and the cables is limited due to the fact that the wire resistance of the wires between the first solder pad and the second solder pad is too large to allow the current to pass, which results in this conventional connection The output current of the connector cannot reach the predetermined specification. Therefore, those engaged in this industry must use their best efforts to overcome this problem. The present invention is an electrical connector structure that solves this problem.

Therefore, in view of the above-mentioned problems and deficiencies, the inventor collected relevant information, evaluated and considered from many parties, and based on the accumulated years of experience in this industry, through continuous trials and modifications, the connection to increase the power supply current was established. The invention patent of the device structure was born.

The main purpose of the present invention is to provide a connector structure for increasing the power supply current, which is used in a connector with a USB TYPE C interface. The connector has an insulating body, a terminal base on the insulating body, and the terminal base A plurality of terminal grooves are provided in the terminal grooves, and a plurality of conductive terminals are provided in the terminal grooves. The conductive terminals are respectively constituted by at least one power terminal, at least one ground terminal and a plurality of signal terminals. The connector is exposed on the conductive terminals A circuit board is connected to the welding part of the insulating body, a plurality of welding pads are provided on the circuit board, the power terminal and a wire end of a cable are jointly welded on the corresponding welding pad of the circuit board, and the ground terminal The wire end of another cable is also soldered together on the corresponding solder pad of the circuit board, by the The power terminal, the ground terminal and the cable are jointly welded to the welding pad structure to form a connector structure for supplying large current. Compared with the conventional connector, the circuit board requires two rows of welding pads and wires To connect the two rows of solder pads to complete the electrical connection structure, the circuit board of the present invention only needs to provide one row of solder pads to complete the electrical connection structure, so the circuit board can be reduced in size and length to form a lighter, thinner, shorter Connector, and has better practicality.

The secondary purpose of the present invention is that the arrangement of the conductive terminals of the terminal block is that the upper row is provided with twelve terminals and the lower row is provided with twelve terminals, so as to form a universal serial bus (USB TYPE C) Specifications. The twelve terminals in the upper row of the terminal block include first and second ground terminals arranged on two opposite outer sides. The first high-speed positive differential pair signal terminals and the first High-speed negative differential pair signal terminal, first power terminal, first backup terminal, second high-speed positive differential pair signal terminal, second high-speed negative differential pair signal terminal, second backup terminal, second power terminal, third high-speed positive differential Pair signal terminals and third high-speed negative differential pair signal terminals; and the following twelve terminals of the terminal block include the third and fourth ground terminals arranged on the two opposite outer sides, and the adjacent third ground terminals are arranged in order on the inner side The fourth high-speed negative differential pair signal terminal, the fourth high-speed positive differential pair signal terminal, the third power terminal, the third spare terminal, the fifth high-speed negative differential pair signal terminal, the fifth high-speed positive differential signal terminal, the fourth spare terminal, The fourth power terminal, the sixth high-speed negative differential pair signal terminal, and the sixth high-speed positive differential pair signal terminal.

Another object of the present invention is that the first power terminal, the first standby terminal, the third power terminal, and the fourth power terminal are jointly soldered on the corresponding first pads of the circuit board.

Another object of the present invention lies in the first ground terminal and the second ground terminal , The third ground terminal and the fourth ground terminal are welded together on the corresponding second pad of the circuit board.

Another object of the present invention is that the second high-speed positive differential pair signal terminal and the second high-speed negative differential pair signal terminal are electrically connected to the third bonding pads through wires.

1‧‧‧Insulation body

10‧‧‧Terminal slot

11‧‧‧Terminal Block

12‧‧‧Conductive terminal

121‧‧‧Power terminal

1211‧‧‧Welding Department

122‧‧‧Ground terminal

1221‧‧‧Welding Department

13‧‧‧Circuit board

131‧‧‧First pad

132‧‧‧Second solder pad

133‧‧‧Third pad

14‧‧‧Shielding shell

2‧‧‧Cable

21‧‧‧Line end

3‧‧‧Solder

The first figure is a three-dimensional appearance structure diagram of the connector of the present invention.

The second figure is a three-dimensional exploded structural view of the connector of the present invention.

The third figure is a front sectional structural view of the connector of the present invention.

The fourth figure is a schematic diagram of the action of the predetermined welding cable of the connector of the present invention.

The fifth figure is a front sectional structural view of the welded cable connector of the present invention.

The sixth figure is a cross-sectional side view of the welded cable connector of the present invention.

In order to achieve the above-mentioned purposes and effects, the technical means adopted by the present invention, its structure, and the method of implementation, etc., are drawn to illustrate the features and functions of the preferred embodiments of the present invention in detail as follows, for a complete understanding.

Please refer to the first to sixth figures, which are the three-dimensional appearance structure diagram, three-dimensional exploded structure diagram, front cross-sectional structure diagram of the connector of the present invention, schematic diagram of the action of the predetermined welding cable of the connector, and the connection of the welded cable. The front sectional structure view of the connector and the side sectional structure view of the welded cable connector can be clearly seen from the figure. The connector includes an insulating body 1, a terminal block 11, a conductive terminal 12, a circuit board 13, and a shield Shell 14, the connection relationship of each structure is as follows: The connector of the present invention uses a USB TYPE C interface. The connector has an insulating body 1, a terminal base 11 in the insulating base 1, and a plurality of terminal slots 10 are provided in the terminal base 11, and the terminals The groove 10 is provided with a plurality of conductive terminals 12, and the conductive terminals 12 are respectively constituted by at least one power terminal 121, at least one ground terminal 122 and a plurality of signal terminals (not shown). The connector is connected to the conductive terminals 12 A circuit board 13 is connected to the welding part of the insulating body 1 (including the welding part 1211 of the power terminal 121 and the welding part 1221 of the ground terminal 122), and a plurality of welding pads (including the first Soldering pads 131, second soldering pads 132), the power terminal 121, a wire end 21 of a cable 2 and necessary solder 3 (generally solder 3 is solder) are jointly soldered to at least one first corresponding to the circuit board 13 On the solder pad 131, and the ground terminal 122, the wire end 21 of the other cable 2 and the necessary solder 3 are also jointly soldered on the second solder pad 132 corresponding to the circuit board 13, through the power terminal 121, the The ground terminal 122 and the cable 2 are jointly welded to the welding pads (131, 132). The insulating body 1 of the connector is provided with a shielding shell 14 opposite to the other side where the circuit board 13 is provided. It constitutes a connector structure for supplying large current. Compared with the circuit board of the conventional connector, the above-mentioned structure needs to be provided with two rows of solder pads and wires are required to connect the two rows of solder pads to complete the electrical connection structure. The present invention excludes In order to solve the problem that the wire resistance is too large, the current that can be passed is reduced, so the output current of the connector can reach the predetermined specification, and only one row of solder pads can reduce the volume and length of the circuit board to form a lighter, thinner, shorter connection Device.

The above-mentioned structure in which the power terminal 121 is soldered together with a wire end 21 of a cable 2 and the necessary solder 3 on the first solder pad 131 corresponding to the circuit board 13, wherein the power terminal 121 is not limited to one, and The first pad is not limited to one, for example Solder one or more power terminals 121, one wire end 21 of a cable 2 and one or more first solder pads 131 together with solder 3, and make a plurality of power terminals 121, a plurality of first solder pads 131 and a wire The electrical connection formed by the cable 2 is within the protection scope of the present invention.

The circuit board is further provided with a plurality of third soldering pads 133. The third soldering pads 133 and the signal terminals (not shown in the figure, and the soldering parts of the signal terminals are not exposed to the insulating body 1) respectively pass through A plurality of wires (not shown in the figure) buried in the circuit board 13 are electrically connected, and the third soldering pad 133 is used for soldering of the cable 2.

The conductive terminals 12 of the terminal block 11 are arranged with twelve terminals in the upper row and twelve terminals in the lower row, respectively, so as to form a USB TYPE C specification. The twelve terminals in the upper row of the terminal block include first and second ground terminals (GND) arranged on two opposite outer sides, and first high-speed positive differential pair signals arranged in order on the inner side of adjacent first ground terminals (GND) Terminal (SSTXp1), the first high-speed negative differential pair signal terminal (SSTXn1), the first power terminal (V _BUS ), the first standby terminal (CC1), the second high-speed positive differential pair signal terminal (Dp1), the second high-speed negative Differential pair signal terminal (Dn1), second backup terminal (SBU1), second power terminal (V _BUS ), third high-speed positive differential pair signal terminal (SSTXn2), and third high-speed negative differential pair signal terminal (SSTXp2); and The following twelve terminals of the terminal block include the third and fourth ground terminals (GND) arranged on the two opposite outer sides, and the fourth high-speed positive differential pair signal terminals arranged in order on the inner side of adjacent third ground terminals (GND) (SSRXp1), the fourth high-speed negative differential pair signal terminal (SSRXn1), the third power terminal (V _BUS ), the third backup terminal (SBU2), the fifth high-speed negative differential pair signal terminal (Dn2), the fifth high-speed positive differential Signal terminal (Dp2), fourth spare terminal (CC2), fourth power terminal (V _BUS ), sixth high-speed negative differential pair signal terminal (SSTXn2), and sixth high-speed positive differential pair signal terminal (SSTXp2).

Those who are familiar with this technique do not need to install all the 24 conductive terminals of the above USB TYPE C 3.0 specifications in the terminal block 11 of the connector, but only need to connect the necessary power terminals 121, ground terminals 122 and The signal terminals are selectively set to achieve the purpose of high current charging and basic electronic signal transmission. Therefore, the present invention only solders the first power terminal, the first standby terminal, the third power terminal, and the fourth power terminal to the first solder pad 131 corresponding to the circuit board 13; the first ground terminal, The second ground terminal, the third ground terminal, and the fourth ground terminal are jointly soldered to the second bonding pad 132 corresponding to the circuit board 13; the second high-speed positive differential pair signal terminal and the second high-speed negative differential pair signal The terminals are electrically connected to the third bonding pads 133 through wires. To complete the connector structure for high-current charging and basic electronic signal transmission.

Therefore, the present invention is mainly used in a connector with a USB TYPE C interface. The connector has an insulating body, a terminal base is provided in the insulating body, and a plurality of terminal grooves are provided in the terminal base, and the terminal grooves A plurality of conductive terminals are provided, and the conductive terminals are respectively composed of at least one power terminal, at least one ground terminal and a plurality of signal terminals. The connector is connected to a circuit where the conductive terminals are exposed to the welding part of the insulating body The circuit board is provided with a plurality of solder pads, the power terminal and a wire end of a cable are jointly soldered to the corresponding solder pad of the circuit board, and the ground terminal and the wire end of the other cable are also soldered together On the soldering pad corresponding to the circuit board, the power terminal, the ground terminal and the cable are jointly soldered to the soldering pad structure to form a connector structure for supplying large current, which is compared with the conventional connector circuit The board needs to be provided with two rows of solder pads and wires need to be connected to the two rows of solder pads to complete the electrical connection structure , The circuit board of the present invention only needs to provide a row of solder pads to complete the electrical connection structure, so the circuit board can be reduced in size and length to form a lighter, thinner, shorter connector, and has better practicability. However, the above descriptions are only preferred embodiments of the present invention, and are not limited to the scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be the same. It is included in the scope of the patent of the present invention, and it is hereby stated.

To sum up, the above-mentioned connector structure for increasing the power supply current of the present invention can indeed achieve its effect and purpose when actually implemented and implemented. Therefore, the present invention is a research and development with excellent practicability, and it is an application for invention patents. As for the essential requirements, Yan filed an application in accordance with the law, and I hope that the review committee will grant the approval of this case as soon as possible to ensure the inventor's hard research, development and creation. If the review committee has any doubts, please feel free to write instructions.

1‧‧‧Insulation body

10‧‧‧Terminal slot

11‧‧‧Terminal Block

12‧‧‧Conductive terminal

121‧‧‧Power terminal

1211‧‧‧Welding Department

122‧‧‧Ground terminal

1221‧‧‧Welding Department

13‧‧‧Circuit board

131‧‧‧First pad

132‧‧‧Second solder pad

133‧‧‧Third pad

14‧‧‧Shielding shell

2‧‧‧Cable

21‧‧‧Line end

Claims (8)

A connector structure for increasing the power supply current is used in a connector of the USB TYPE C interface. The connector has an insulating body, a terminal base is provided in the insulating base, and a plurality of terminal slots are provided in the terminal base, A plurality of conductive terminals are provided in the terminal grooves, and the conductive terminals are respectively composed of at least one power terminal, at least one ground terminal and a plurality of signal terminals. The connector is exposed to the welding part of the insulating body on the conductive terminals There is a circuit board connected to the circuit board, and a plurality of solder pads are arranged on the circuit board. The characteristic is that the power terminal and a wire end of a cable are jointly soldered to at least one first solder pad corresponding to the circuit board, and the ground The terminal and the wire end of the other cable are also jointly soldered to a second solder pad corresponding to the circuit board. The power terminal, the ground terminal and the cable are jointly soldered to the solder pad to form a supply High current connector structure. As described in the first item of the scope of patent application, the connector structure for increasing the power supply current, wherein the circuit board is further provided with a plurality of third soldering pads, and the third soldering pads are buried in the signal terminals through The plurality of wires of the circuit board are electrically connected, and the third welding pad is used for welding the cables. As described in the first item of the scope of patent application, the connector structure for increasing the power supply current, wherein the arrangement of the conductive terminals of the terminal block is twelve terminals on the upper row and twelve terminals on the lower row. , To form a USB TYPE C specification. As described in item 3 of the scope of patent application, the twelve terminals in the upper row of the terminal block include first and second grounding terminals arranged on two opposite outer sides. The first high-speed positive differential pair signal terminal and the One high-speed negative differential pair signal terminal, first power terminal, first backup terminal, second high-speed positive differential pair signal terminal, second high-speed negative differential pair signal terminal, second backup terminal, second power terminal, third high-speed positive Differential pair signal terminal and the third high-speed negative differential pair signal terminal; and the following twelve terminals of the terminal block include the third and fourth ground terminals arranged on the two opposite outer sides, and the adjacent third ground terminals are arranged in order on the inner side The fourth high-speed positive differential pair signal terminal, the fourth high-speed negative differential pair signal terminal, the third power terminal, the third spare terminal, the fifth high-speed negative differential pair signal terminal, the fifth high-speed positive differential signal terminal, and the fourth spare terminal , The fourth power terminal, the sixth high-speed negative differential pair signal terminal and the sixth high-speed positive differential pair signal terminal. As described in item 4 of the scope of patent application, the connector structure for increasing power supply current, wherein the first power terminal, the first standby terminal, the third power terminal and the fourth power terminal are jointly welded to the circuit board. On the first pad. The connector structure for increasing power supply current as described in item 4 of the scope of patent application, wherein the first ground terminal, the second ground terminal, the third ground terminal, and the fourth ground terminal are welded to the circuit board. On the second pad. The connector structure for increasing the power supply current described in item 4 of the scope of patent application, wherein the second high-speed positive differential pair signal terminal and the second high-speed negative differential pair signal terminal are electrically connected to the third pads through wires Sexual connection. The connector structure for increasing power supply current as described in the first item of the scope of patent application, wherein the insulating body of the connector is provided with a shielding shell relative to the other side where the circuit board is provided.

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