TW201644121A - Network connector - Google Patents

Abstract

A network connector includes a horizontal printed circuit board (PCB), a plurality of mating contacts connecting with a front portion of the PCB, a plurality of mounting contacts connecting with a rear portion of the PCB, and a plurality of transformers electrically connecting with the mating contacts. The network connector also includes a plurality of POE (Power Over Ethernet) contacts for transmitting power. The PCB includes a plan portion and an extending portion extended forwardly from the plan portion. The POE contacts connect with the extending portion.

Description

Network connector

The present invention relates to a network connector having a POE function, and more particularly to a position setting of a power terminal in a network connector.

The next-generation wireless communication LAN standard IEEE 802.11ac network theoretical transmission rate will reach 6.9G / s, the 1G / s rate between the access point and the switch is obviously insufficient, so there are two development between 1G / s and 10G / s The 2.5G/5G Alliance, one is the NBASE-T Alliance Alliance, and the other is the MGBASE-T Alliance Alliance. Both alliances are committed to upgrading existing 1G/s networks to 2.5G/5G to meet the IEEE 802.11ac wireless WiFi development with existing Cat 5e cabling unchanged. The NBASE-T Alliance will include 2.5G/s and 5G/s rates and POE technology in the Super Cat5e and Cat6 cable infrastructure to extend cable life and avoid running between switches and access points. Core cable.

In addition, the traditional Ethernet transmission power supply POE (Power Over Ethernet) can only transmit 15W power supply, and then the developed POE+ can only transmit 30W power supply. More and more devices need high wattage (30W or more) POE to supply power, so the development has been made. UPOE (Universal Power over Ethernet). Recently, due to the popularity of cloud computing, virtual desktop terminals have become popular, and wireless 802.11ac APs will begin mass production in the second half of the year. These environments require high wattage UPOE, plus the size of these two markets is sufficient. Drive network vendors to introduce switches that support UPOE.

For the prior art related to the present invention, please refer to the Chinese Patent No. CN201741842U issued on February 9, 2011, the disclosed power terminal being disposed on the side wall of the insulating carrier, which increases the lateral width of the connector.

As connector miniaturization progresses, network connectors with POE functionality are required to be smaller in size.

The technical problem to be solved by the present invention is to provide a network connector which is small in size.

In order to solve the above technical problems, the technical means of the present invention is:

A network connector includes a horizontally disposed circuit board, a plurality of docking terminals connected to a front end of the circuit board, a plurality of pin terminals connected to a rear end of the circuit board, and a plurality of transformers mounted on the circuit board, the transformer and the docking The terminal is electrically connected, wherein the network connector further comprises a plurality of power terminals for transmitting power, the circuit board having a flat portion and an extension extending forward from the flat portion, the power terminal being connected to the extension.

Compared with the prior art, the present invention installs the power terminal to the extension portion of the circuit board extending forward, and fully utilizes the space of the connector, so that the size of the network connector is small.

The first figure is a perspective view of the network connector of the present invention.

The second figure is another perspective view of the network connector shown in the first figure.

The third figure is an exploded view of the network connector shown in the first figure.

The fourth figure is another exploded view of the network connector shown in the third figure.

The fifth figure is an exploded view of the terminal module shown in the third figure.

The sixth figure is another exploded view of the terminal module shown in the fifth figure.

The seventh diagram is a circuit diagram of the network connector shown in the first figure.

Please refer to FIG. 1 to FIG. 7 together, a network connector 100 for transferring a cable side cable and a physical side (PHY side) motherboard chip. The network connector 100 Can be mounted to an external motherboard. The network connector 100 of the present invention can be used for 2.5G/5G BASE-T, which can transmit 2.5G/5Gb/s network data, and the network connector of the present invention can transmit Ethernet power of 60W or more, that is, Meet the UPOE requirements.

Referring to FIG. 2 and FIG. 3 together, the network connector 100 includes an insulative housing 1, a terminal module 2 mounted from the rear to the front to the insulative housing 1, and an illuminant mounted to the insulative housing 1 from the rear to the front. Module 3, and metal mask housing 4.

Referring to the third to sixth figures, the terminal module 2 includes a horizontally disposed circuit board 21, a plurality of docking terminals 22 connected to the front end of the circuit board 21, and a plurality of pin terminals 23 connected to the rear end of the circuit board 21. And a plurality of filter elements mounted on the circuit board 21, the filter element including a transformer 24, a common mode suppressor 25, a capacitor 26, and a resistor 27. The terminal module 2 further includes a plurality of power terminals 28 for transmitting power, and the circuit board 21 has a flat portion 211 and an extending portion 212 extending forward from the flat portion 211, and the power terminal 28 is connected to the extending portion 212. The plurality of mating terminals 22 are laterally arranged. The extending portion 212 includes a first extending portion 2121 and a second extending portion 2122 respectively extending from opposite sides of the circuit board. The plurality of power terminals 28 are partially connected to the first extending portion 2121. The other portion is connected to the second extension 2122. The flat portion 211 has a front edge 2111, and the first extending portion 2121, the second extending portion 2122, and the front edge 2111 enclose a notch 2123 that is recessed rearward. The plurality of power terminals 28 includes four power terminals, two of which are connected to the first extension 2121 and the other two are connected to the second extension 2122. The terminal module 2 further includes an insulating carrier 29 mounted on the lower side of the circuit board. The insulating carrier 29 has a main body portion 291 disposed corresponding to the flat plate portion 211 and a first corresponding to the first extending portion 2121 and the second extending portion 2122. The projecting portion 292 and the second projecting portion 293 are provided with a recess 2911 recessed downward for the filter element (electronic component). The first extension portion 2121 and the first extension portion 292, and the second extension portion 293 and the second extension portion 2122 are respectively provided with through holes (not labeled) for the power supply terminal to pass through in the up and down direction. The common mode suppressor 25 and the transformer 24 are mounted on the upper surface 215 of the circuit board 21, the capacitor 26 and the resistor 27 are mounted on the lower surface 216 of the circuit board 21, and the common mode suppressor 25 is located below the transformer 24. Of course, the capacitor 26, the resistor 27 and the transformer 24 can also be mounted on the upper surface 215 of the circuit board 21, the common mode suppressor 25 is mounted on the lower surface 216 of the circuit board 21, and the capacitor 26 and the resistor 27 are located in the transformer 24. Below. Therefore, capacitor 26, resistor 27 or common mode suppressor 25 is at least partially received within recess 2911.

The transformer 24 can be a transformer 24 having a toroidal core 241, which can also be a common mode suppressor having a toroidal core. The transformer 24, the common mode suppressor 25, the capacitor 26, and the resistor 27 may also be of a chip structure. In the figure, the upper surface 215 of the circuit board 21 is provided with two rows of upper conductive sheets 2151 arranged in parallel, and the lower surface 216 of the circuit board 21 is provided with a row of conductive sheets 2161 arranged in alignment, and the toroidal core 241 of the transformer 24 is mounted on The two rows are placed between the conductive sheets 2151, and the wire ends of the enameled wires on the transformer 24 are heat-welded to the corresponding upper conductive sheets 2151. The mating terminal 22 has a soldering portion 221 surface-mounted to the lower conductive sheet 2161, a holding portion 222 extending horizontally forward from the soldering portion 221, and a mating portion 223 in the pair of sockets extending rearward and upward from the holding portion 222. The pin terminal 23 has a mounting portion 231 extending downwardly beyond the insulating carrier 29 for perforation soldering to the external main board, a fixing portion interferingly holding to the insulating carrier 29, and extending upward beyond the insulating carrier 29 inserted into the circuit board 21 The connecting portion 233 of the 217 and the horizontal portion 232 extending forward from the bottom of the fixing portion to the mounting portion. The power terminal 28 has a bottom portion 281 that extends downward beyond the insulating carrier, a portion that is placed through and secured within the insulating carrier 29, and a top portion 282 that extends upwardly to the circuit board 21.

Referring to the seventh figure, each transformer 24 has a primary coil 242 electrically connected to the mating terminal 22, and a secondary coil 243 electrically connected to the common mode suppressor 25. The other end of the common mode suppressor 25 is electrically connected to Pin terminal 23. The primary coil 242 of each transformer 24 has a center tap 244 electrically connected to the power terminal 28, and the center tap 244 is electrically connected to the capacitor 26 and the resistor 27 to be connected to the ground point 40. The electrical connection between the transformer 24, the common mode suppressor 25, the resistor 27, the capacitor 26, the mating terminal 22, the pin terminal 23, and the power supply terminal 28 is achieved by a conductive path on the circuit board 21. The grounding point 40 is electrically connected to the metal mask housing 4 and then connected to the ground layer of the external main board to complete the ground connection.

Referring to FIGS. 3 to 4 together, the insulative housing 1 includes a front wall 11, a top wall 12, a bottom wall 13, and two side walls 14 intermediate the top wall 12 and the bottom wall 13. The front wall 11 is recessed rearwardly with a pair of sockets 111 for mating connectors (network plugs), the top wall 12 is provided with a snap hole 124 for the snap-on connector, and the bottom wall 13 is provided for mounting to the external motherboard The mounting post 131. The insulative housing 1 is further provided with an installation space 15 for mounting the terminal module 2, an intermediate wall 16 disposed between the pair of sockets 111 and the installation space 15, and an intermediate wall 16 and communicating with the socket 111 and the installation space 15. The plurality of terminal slots 161 have an installation space 15 located directly behind the pair of sockets 111. The docking terminal 22 is at least partially housed in the terminal slot 161.

Referring to the third to sixth figures, the intermediate wall 16 is further provided with a first escape groove 171 and a second escape groove 172 for receiving the first extension portion 2112 and the second extension portion 2122, respectively. The groove 171 and the second escape groove 172 are respectively located on opposite lateral sides of the plurality of terminal grooves 161. The first escape groove 171 and the second escape groove 172 are forwardly penetrated from the pair of sockets 111. The first escape groove 171 extends outward through a side wall 14 , and the second escape groove 172 extends outward through the other side wall 14 . The first escape groove 171 and the second escape groove 172 penetrate the bottom wall 13 downward. The first extension portion 21121 and the second extension portion 2122 of the circuit board 21 are respectively housed in the first escape groove 171 and the second escape groove 172. The arrangement of the first escape groove 171 and the second escape groove 172 enables the circuit board 21 to be mounted forward, thereby shortening the length of the network connector 100 in the front and rear directions.

Referring to the third to fourth embodiments, the illuminant module 3 includes an LED 31 and an adapter module 32. The LED 31 includes an illuminant 311 and a pin terminal 312 extending from the illuminator 311. The module 32 includes an insulating plastic 321 and a switching terminal 322 fixed to the insulating plastic 321 . The pin terminal 312 and the switching terminal 322 are connected by lap joints, and no additional soldering is required, thereby reducing the soldering process.

The metal mask housing 4 includes a front metal shield shell 41 and a rear metal shield shell 42. The front metal shield shell 41 and the rear metal shield shell 42 are fastened together to surround the insulative housing 1 and the terminal module. 2. The outer side of the illuminator module 3. The metal shield housing 4 can serve as an electrical ground.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It is covered by the following patent application.

1‧‧‧Insulating body

100‧‧‧Network connector

11‧‧‧ front wall

111‧‧‧ pairs of sockets

12‧‧‧ top wall

124‧‧‧Snap holes

13‧‧‧ bottom wall

131‧‧‧Installation column

14‧‧‧ side wall

15‧‧‧Installation space

16‧‧‧ middle wall

161‧‧‧Terminal slot

171‧‧‧First escape slot

172‧‧‧Second avoidance slot

2‧‧‧Terminal module

21‧‧‧ boards

211‧‧‧ Flat section

2111‧‧‧ front edge

212‧‧‧Extension

2121‧‧‧First Extension

2122‧‧‧Second extension

2123‧‧‧ gap

215‧‧‧ upper surface

2151‧‧‧Upper conductive sheet

216‧‧‧ lower surface

2161‧‧‧lower conductive sheet

217‧‧‧ conductive through holes

22‧‧‧Docking terminal

221‧‧‧Weld Department

222‧‧‧ Holding Department

223‧‧‧Docking Department

23‧‧‧ pin terminal

231‧‧‧Installation Department

232‧‧‧ horizontal department

233‧‧‧Connecting Department

24‧‧‧Transformers

241‧‧‧Round core

242‧‧‧Primary coil

243‧‧‧secondary coil

244‧‧‧ center tap

25‧‧‧Common mode suppressor

26‧‧‧ Capacitors

27‧‧‧Resistors

28‧‧‧Power terminal

281‧‧‧ bottom

282‧‧‧ top

29‧‧‧Insulation carrier

291‧‧‧ Main body

2911‧‧‧ Groove

292‧‧‧First extension

293‧‧‧Second extension

3‧‧‧Lighting module

31‧‧‧Light-emitting diodes

311‧‧‧Lights

312‧‧‧pin terminal

32‧‧‧Transfer module

321‧‧‧Insulating plastic

322‧‧‧Transfer terminal

4‧‧‧Metal mask housing

40‧‧‧ Grounding point

41‧‧‧Front metal cover

42‧‧‧After metal mask shell

no

100‧‧‧Network connector

131‧‧‧Installation column

23‧‧‧ pin terminal

28‧‧‧Power terminal

322‧‧‧Transfer terminal

4‧‧‧Metal mask housing

Claims (10)

A network connector includes:
Horizontally set circuit board;
a plurality of docking terminals connected to the front end of the circuit board;
a plurality of pin terminals connected to the rear end of the circuit board; and a plurality of transformers mounted on the circuit board, the transformers being electrically connected to the mating terminals, wherein the network connector further includes a plurality of power terminals for transmitting power, The circuit board has a flat plate portion and an extension portion extending forward from the flat plate portion, and the power supply terminal is coupled to the extension portion. The network connector of claim 1, wherein the plurality of docking terminals are laterally arranged, and the extending portion comprises a first extension portion and a second extension portion respectively extending from opposite sides of the circuit board, the plurality of power sources The middle portion of the terminal is connected to the first extension and the other portion is connected to the second extension. The network connector of claim 2, wherein the flat portion has a front edge, and the first extending portion, the second extending portion, and the front edge enclose a notch recessed rearward. The network connector of claim 3, wherein the plurality of power terminals comprises four power terminals, two of which are connected to the first extension and the other two are connected to the second extension. The network connector of claim 4, wherein the network connector further comprises an insulative housing having a pair of sockets for mating the mating connector, an installation space behind the pair of sockets, and a setting The mating terminal is at least partially received in the terminal slot at an intermediate wall between the insertion port and the mounting space, and a plurality of terminal slots disposed on the intermediate wall and communicating with the socket and the mounting space. The network connector of claim 5, wherein the intermediate wall is further provided with a first escape groove and a second escape groove for respectively receiving the first extension portion and the second extension portion, the first avoidance The slot and the second escape slot are respectively located on opposite lateral sides of the plurality of terminal slots. The network connector of claim 6, wherein the first escape groove and the second escape groove are forwardly connected to the pair of sockets. The network connector of claim 1, wherein the insulative housing has two side walls, a top wall, and a bottom wall, the bottom wall is provided with two mounting posts for mounting to an external main board, and the plurality of power terminals are located Between the mounting post and the pin terminal. The network connector of claim 8, wherein the network connector further comprises a sheath covering the outside of the insulating body to the metal mask, the metal mask housing having a side wall of the covered insulating body The shell, the plurality of power terminals includes four power terminals, and each of the two power terminals is disposed between a mounting post and a side shell of the metal shield housing. The network connector of claim 2, wherein the network connector further comprises an insulating carrier, the circuit board is mounted on an upper side of the insulating carrier, the transformer is mounted on an upper surface of the circuit board, the insulating carrier has a main body portion corresponding to the flat plate portion and a first projecting portion and a second projecting portion respectively corresponding to the first extending portion and the second extending portion, the main body portion being provided with a recess recessed downward for receiving the electronic component groove.