CN221353328U - Novel integrated connector of paster inductance - Google Patents

Abstract

The utility model discloses a novel chip inductor integrated connector which comprises a first PCB (printed circuit board), a transformer assembly, a plastic main body and a shielding shell, wherein the transformer assembly comprises a plastic shell, a second PCB, a first terminal group and a second terminal group; a first mounting cavity is formed in the plastic main body, and the transformer component is mounted in the first mounting cavity and forms a plug interface together with the first mounting cavity; one end of the first terminal group is welded by the second PCB, and the other end of the first terminal group extends into the plug-in port; one end of the second terminal group is welded on the first PCB, and the other end of the second terminal group is welded on the second PCB; the second PCB is provided with a plurality of patch capacitors and a plurality of patch inductors, and the patch inductors and the patch capacitors are connected through lines to form an integrated circuit of differential signals so as to realize transmission of electric signals.

Description

Novel integrated connector of paster inductance

[ Field of technology ]

The utility model belongs to the technical field of communication, and particularly relates to a novel patch inductance integrated connector.

[ Background Art ]

The connector is widely applied to communication equipment such as a network switch, a router, a network card, a hub, a server, a PC (personal computer) and the like as a bridge for data communication, and plays a role in matching connection communication between an output system and an access system. The integrated connector is internally integrated with an electronic circuit, and is connected with the integrated connector for processing the passed signals, and the integrated circuit has the functions of matching the communication signals with an output system and an access system, performing impedance matching, performing electromagnetic interference suppression on transmission lines and signal noise, performing high-voltage isolation on the output system and the access system through an electromagnetic principle and the like.

At present, there are two structures of an integrated connector in the current communication industry: scheme one: the second scheme is that the communication coil is directly welded on the internal PCB to form a spot welding type connector with a preset circuit and then assembled into a finished product: the communication coil is firstly manufactured in a shell to form a communication module, and then the communication module is welded on a PCB board and finally assembled to form the finished module type connector. In the scheme one, a large number of staff spot welding coils are needed, the requirement on welding quality is high, and the condition of low staff efficiency severely restricts batch delivery and cost of products. Compared with the scheme one, the scheme two improves the product quality due to the module production of the front end, realizes batch production, but increases the corresponding cost of the module production process, and also needs to put into mass manpower production at the front end, and the communication module occupies larger space and cannot be used in the connector with small size.

The utility model discloses a paster inductance type RJ45 connector for CN 219696850U, it includes PCBA, PCBA includes the PCB board, the upper surface of PCB board is attached and is attached paster inductance transformer, chip resistor, paster electric capacity, the lower surface of PCB board is attached and is attached paster inductance transformer, paster common mode inductance, still the welding has RJ45 output P terminal on the upper surface of PC B board, the lower surface of PCB board still welds RJ45 input J terminal, still is provided with RJ45 main part plastic and RJ45 shielding shell, PCBA installs in RJ45 main part plastic, RJ45 main part plastic is installed in RJ45 shielding shell.

Above scheme is through paster inductance transformer and paster common mode inductance combination, again realize the integrated circuit that has the signal processing function through SMT technology, replace the mode of current coil spot welding or module, but the PCB board is attached with paster inductance transformer, chip resistor, chip capacitor and paster common mode inductance, four types components and parts just can realize the integrated circuit that has the signal processing function, the components and parts type that uses is many, thereby the welding process has caused corresponding increase manufacturing cost more, and the paster inductance transformer that uses is six pin inductance that the volume is great moreover, can occupy the space of great PCB board, be unfavorable for the overall arrangement of components and parts on the PCB board.

Therefore, it is necessary to provide a novel chip inductor integrated connector to solve the above technical problems.

[ utility model ]

The utility model mainly aims to provide a novel chip inductor integrated connector, which can realize transmission of electric signals by arranging a plurality of chip inductors and a plurality of chip capacitors which are connected to form an integrated circuit of differential signals through lines, thereby reducing components and further reducing cost and overall size.

The utility model realizes the aim through the following technical scheme: the novel chip inductor integrated connector comprises a first PCB, a transformer assembly arranged above the first PCB, a plastic main body sleeved outside the transformer assembly and a shielding shell sleeved outside the plastic main body, wherein the transformer assembly comprises a plastic shell, a second PCB arranged on one side of the plastic shell, a first terminal group and a second terminal group; a first mounting cavity is formed in the plastic main body, and the transformer component is mounted in the first mounting cavity and forms a plug interface together with the first mounting cavity; one end of the first terminal group is welded by the second PCB, and the other end of the first terminal group extends into the plug-in port; one end of the second terminal group is welded on the first PCB, and the other end of the second terminal group is welded on the second PCB; the second PCB is provided with a plurality of patch capacitors and a plurality of patch inductors, and the patch inductors and the patch capacitors are connected through lines to form an integrated circuit of differential signals so as to realize transmission of electric signals.

Further, the patch inductor comprises a first end face, a second end face, a magnetic core, a first winding and a second winding which are wound on the magnetic core; the two ends of the first end face are respectively provided with a first pin and a second pin, and the two ends of the second end face are respectively provided with a third pin and a fourth pin; the first winding and the second winding are connected in series to jointly realize the function of an auto-inductance, and one end of the first winding is connected to the first pin while the other end is connected to the third pin; one end of the second winding is connected to the second pin, and the other end of the second winding is connected to the fourth pin; and communicating the first pin with the fourth pin through the second PCB wiring to form a grounding pin.

Further, the four patch inductors and the eight patch capacitors for direct current component isolation are connected through lines to form an integrated circuit of four groups of differential signals, and the grounding pin of each patch inductor is connected together and connected with a grounding pad on the second PCB to realize grounding.

Further, the first terminal group comprises a first welding part welded on the second PCB, a first fixing part horizontally extending from the first welding part and a contact part downwards bent and obliquely extending from the first fixing part and used for being conducted with a signal terminal of the crystal head.

Further, the second terminal group comprises a second welding part welded on the first PCB and being horizontal, a third welding part bent upwards from the second welding part and extending vertically, and a second fixing part extending horizontally outwards from the middle of the second welding part and the third welding part; both sides of the second fixing part are provided with fixing barbs which protrude outwards and are clamped into the plastic shell.

Further, a second mounting cavity is formed by surrounding the plastic shell and the second PCB, the second mounting cavity surrounds the patch capacitor and the patch inductor, and a limit surrounding baffle on one side of the plug port is formed on one side surface of the plastic shell; the plastic shell is provided with a plurality of first accommodating grooves for fixing the first fixing and holding parts at the upper end and a plurality of second accommodating grooves for fixing the second fixing and holding parts at the lower end; limiting blocks for positioning the plastic body and guide posts for guiding are arranged on two sides of the plastic shell; and a positioning column which is matched and positioned with the second PCB is arranged on one side of the plastic shell.

Further, the upper end of the second PCB is provided with a plurality of welding holes which are welded on the first welding part and are arranged at intervals, the lower end of the second PCB is provided with a plurality of welding grooves which are welded on the third welding part and are arranged at intervals, and the side edges of the second PCB are provided with positioning holes which are matched with the positioning columns.

Further, a third accommodating groove for inserting the LED lamp is formed in the plastic main body; the side wall of the plastic body is provided with limit grooves matched with the limit blocks and the guide posts on two sides of the plastic shell.

Further, a bump is arranged on the side surface of the plastic main body, and a clamping interface which is correspondingly clamped and positioned with the bump is arranged on the shielding shell; the shielding shell is internally provided with a clamping piece which is clamped with the crystal head so as to keep the stability of the insertion of the crystal head; and a welding sheet which is connected to the first PCB board to realize grounding is arranged outside the shielding shell.

Compared with the prior art, the novel patch inductance integrated connector has the beneficial effects that: the integrated connector can realize the transmission of electric signals through the integrated circuit which is provided with a plurality of patch inductors and a plurality of patch capacitors and is connected with two types of components through lines to form differential signals, compared with the prior art, the integrated connector provided by the scheme has the advantages that the types of components used are few, the welding procedures are few, the patch inductors are four-pin small-size inductors, the occupied space on a transformer component is small, the layout of the components on the transformer component is facilitated, and the cost and the whole size are reduced.

[ Description of the drawings ]

FIG. 1 is a schematic perspective view of an integrated connector according to the present utility model;

Fig. 2 is a schematic perspective view of an integrated connector according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of an integrated connector according to an embodiment of the present utility model;

FIG. 4 is a schematic perspective view of a plastic housing according to an embodiment of the utility model;

FIG. 5 is a schematic perspective view of a plastic body according to an embodiment of the present utility model;

Fig. 6 is a schematic perspective view of a first terminal set according to an embodiment of the present utility model;

Fig. 7 is a schematic perspective view of a second terminal set according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a transformer assembly according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram showing a three-dimensional structure of a patch according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of four differential lines according to an embodiment of the present utility model;

The figures represent the numbers:

100-integrated connector;

1-a first PCB board;

2-transformer assembly, 21-plastic housing, 211-second mounting cavity, 212-first accommodation groove, 213-second accommodation groove, 214-stopper, 215-guide post, 216-positioning post, 22-second PCB board, 221-soldering groove, 222-soldering hole, 23-first terminal set, 231-first soldering part, 232-first holding part, 233-contact part, 24-second terminal set, 241-second soldering part, 242-third soldering part, 243-second holding part, 2431-fixing barb, 25-patch capacitor, 26-patch inductor, 261-first end face, 262-second end face, 263-magnetic core, 264-first winding, 265-second winding, 266-first pin, 267-second pin, 268-third pin, 269-fourth pin;

The plastic body 3, the first mounting cavity 31, the third accommodating groove 32, the inserting port 33, the limiting groove 34 and the protruding block 35;

4-shielding shell, 41-clamping interface, 42-clamping sheet and 43-welding sheet; 5-LED lamp.

[ Detailed description ] of the invention

Referring to fig. 1-10, the present embodiment is a novel chip inductor integrated connector, and the integrated connector 100 includes a first PCB board 1, a transformer assembly 2 disposed above the first PCB board 1, a plastic body 3 sleeved outside the transformer assembly 2, and a shielding shell 4 sleeved outside the plastic body 3.

The transformer assembly 2 comprises a plastic shell 21, a second PCB 22 arranged on one side of the plastic shell 21, a first terminal group 23 welded on the upper end of the second PCB 22, and a second terminal group 24 welded on the lower end of the second PCB, wherein a plurality of patch capacitors 25 and a plurality of patch inductors 26 are arranged on the second PCB 22.

The first terminal group 23 comprises a first welding part 231 welded on the second PCB 22, a first holding part 232 horizontally extending from the first welding part 231, and a contact part 233 bent downwards and extending obliquely from the first holding part 232 and used for conducting with a signal terminal of the crystal head; the first welding parts 231 of the first terminal group 23 and the first holding parts 232 are connected in different lengths in an outward bending way, so that the distance between the first welding parts 231 is increased, and welding is facilitated.

The second terminal set 24 includes a second soldering portion 241 soldered on the first PCB board 1 and being horizontal, a third soldering portion 242 bent upward from the second soldering portion 241 and extending vertically, and a second holding portion 243 extending horizontally outward from the middle of the second soldering portion 241, the third soldering portion 242; the third welding portion 242 is welded at the lower end of the second PCB 22, fixing barbs 2431 protruding outwards and clamped into the plastic housing 21 are disposed on two sides of the second holding portion 243, and the second terminal set 24 and the plastic housing 21 can be assembled more reliably by clamping the fixing barbs 2431.

A second mounting cavity 211 is formed by surrounding the plastic shell 21 and the second PCB, and the second mounting cavity 211 surrounds the patch capacitor 25 and the patch inductor 26; the upper end of the plastic shell 21 is provided with a plurality of first accommodating grooves 212 for fixing the first fixing part 232 of the first terminal group 23, the lower end of the plastic shell 21 is provided with a plurality of second accommodating grooves 213 for fixing the second fixing part 243 of the second terminal group 24, and two side edges of the plastic shell 21 are provided with limiting blocks 214 for positioning the plastic body 3 and guide columns 215 for guiding the plastic body 3; one end of the plastic housing 21 is provided with a positioning column 216 which is positioned in a mounting fit with the second PCB 22.

The lower end of the second PCB 22 is provided with a plurality of welding grooves 221 which are arranged at intervals and used for welding the third welding part 242 of the second terminal group 24, a plurality of welding holes 222 which are arranged at intervals and used for welding the first welding part 231 of the first terminal group 23 and positioning holes matched with the positioning columns 216, the welding grooves 221 and the welding holes 222 are arranged so as to be convenient for stability during welding, and the positioning holes and the positioning columns 216 are matched so as to be convenient for positioning and mounting the second PCB 22 and the plastic shell 21.

The plurality of patch capacitors 25 and the plurality of patch inductors 26 realize transmission of electrical signals through an integrated circuit of the differential signals of the circuit connection group. The capacitance value of the patch capacitor is 0.1 muf, the conventional size is 0402 or 0603, and the capacitance value and the size of the patch capacitor 51 can be selected according to practical situations.

The patch inductor 26 is in an i shape and comprises a first end surface 261, a second end surface 262, a magnetic core 263, a first winding 264 and a second winding 265 which are wound on the magnetic core 263; a first pin 266 and a second pin 267 are respectively arranged at two ends of the first end face 261, and a third pin 268 and a fourth pin 269 are respectively arranged at two ends of the second end face 262; the first winding 264 is connected in series with the second winding 265, one end of the first winding 264 is connected to the first pin 266, the other end is connected to the third pin 268, one end of the second winding 265 is connected to the second pin 267, and the other end is connected to the fourth pin 269; the first pin 266 and the fourth pin 269 are in wiring communication through the second PCB 22 to form a grounding pin; the first winding 264 and the second winding 265 are used to perform the function of an auto-inductance.

In the present embodiment, the patch inductor 26 adopted by the integrated connector 100 realizes the function of an auto-inductor for conditioning signals; in other implementations, the windings of the patch inductor 26 may be added as needed to achieve the function of common mode inductance.

In this embodiment, in order to realize a gigabit network interface circuit, four patch inductors 26 and eight patch capacitors 25 are required to be connected via a circuit to form an integrated circuit of four sets of differential signals, so that transmission of electrical signals can be realized, wherein each patch inductor 26 is connected with two patch capacitors 25 to realize one set of differential signals, as shown in fig. 10, the four sets of differential signals are J1-J2, J3-J6, J4-J5 and J7-J8 respectively, and are all routed through the inside of the second PCB 22 and connected with the patch capacitors 25 to isolate direct current components, and the grounding pin of each patch inductor 26 is connected together and connected with the grounding pad on the back of the second PCB 22 to realize grounding, so that the safety of the transformer assembly 2 is improved.

The inside of the plastic main body 3 is provided with a first installation cavity 31 and a third accommodating groove 32 for inserting the LED lamp 5, the transformer component 2 is installed in the first installation cavity 31 and forms an inserting port 33 for inserting a water supply crystal head together with the first installation cavity 31, one end of the first terminal group 23 is fixed at the top end of the plastic shell 21, and the other end extends into the inserting port 33 to be communicated with a terminal of the crystal head so as to realize signal transmission; a limiting fence on one side of the insertion port 33 is formed on one side surface of the plastic housing 21. The lateral wall of plastic main part 3 is provided with the spacing groove 34 with the stopper 214, the guide post 215 looks adaptation of plastic casing 21 both sides, and when plastic main part 3 suit was in plastic casing 21, plastic main part 3 suit was outside at plastic casing 21 along guide post 215, and stopper 34 cooperates fixed spacing to plastic main part 3. The lower end of the LED lamp 5 is welded to the first PCB board 1.

The side of the plastic main body 3 is provided with a bump 35, the shielding shell 4 is provided with a clamping interface 41 corresponding to the bump 35, and when the shielding shell 4 is sleeved on the plastic main body 3, the clamping interface 41 is clamped and positioned with the bump 35, so that the loading stability of the shielding shell 4 is maintained; the shielding shell 4 is provided with a clamping piece 42 which is clamped with the crystal head in the plug-in port 33, so that the stability of the insertion of the crystal head is maintained; the outside of the shield case 4 is provided with a soldering tab 43 connected to the first PCB board 1 to achieve grounding, so that the safety of the shield case 4 can be improved.

This scheme is novel integrated form connector of paster inductance, integrated form connector 100 just can realize the transmission of signal through the integrated circuit that is provided with two kinds of components and parts of a plurality of paster inductance 26 and a plurality of paster capacitance 25 through the line connection constitution difference signal, compare with prior art, the components and parts kind that integrated form connector 100 that this scheme provided used is few, the welding process is few, the paster inductance 26 that uses is four pin small inductance moreover, the space on the transformer subassembly 2 that occupies is little, do benefit to the overall arrangement of components and parts on the transformer subassembly 2, and then reduced cost and holistic volume size.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (9)

1. Novel integrated connector of paster inductance, its characterized in that: the transformer comprises a first PCB, a transformer assembly arranged above the first PCB, a plastic main body sleeved outside the transformer assembly and a shielding shell sleeved outside the plastic main body, wherein the transformer assembly comprises a plastic shell, a second PCB arranged on one side of the plastic shell, a first terminal group and a second terminal group; a first mounting cavity is formed in the plastic main body, and the transformer component is mounted in the first mounting cavity and forms a plug interface together with the first mounting cavity; one end of the first terminal group is welded by the second PCB, and the other end of the first terminal group extends into the plug-in port; one end of the second terminal group is welded on the first PCB, and the other end of the second terminal group is welded on the second PCB; the second PCB is provided with a plurality of patch capacitors and a plurality of patch inductors, and the patch inductors and the patch capacitors are connected through lines to form an integrated circuit of differential signals so as to realize transmission of electric signals.

2. The novel chip inductor integrated connector as claimed in claim 1, wherein: the patch inductor comprises a first end face, a second end face, a magnetic core, a first winding and a second winding which are wound on the magnetic core; the two ends of the first end face are respectively provided with a first pin and a second pin, and the two ends of the second end face are respectively provided with a third pin and a fourth pin; the first winding and the second winding are connected in series to jointly realize the function of an auto-inductance, and one end of the first winding is connected to the first pin while the other end is connected to the third pin; one end of the second winding is connected to the second pin, and the other end of the second winding is connected to the fourth pin; and communicating the first pin with the fourth pin through the second PCB wiring to form a grounding pin.

3. The novel chip inductor integrated connector as claimed in claim 2, wherein: four patch inductors and eight patch capacitors for direct current component isolation are connected through lines to form an integrated circuit of four groups of differential signals, and the grounding pin of each patch inductor is connected together and connected with a grounding pad on the second PCB to realize grounding.

4. The novel chip inductor integrated connector as claimed in claim 1, wherein: the first terminal group comprises a first welding part welded on the second PCB, a first fixing part horizontally extending from the first welding part and a contact part downwards bent and obliquely extending from the first fixing part and used for being conducted with a signal terminal of the crystal head.

5. The novel chip inductor integrated connector according to claim 4, wherein: the second terminal group comprises a second welding part welded on the first PCB and being horizontal, a third welding part bent upwards from the second welding part and extending vertically, and a second fixing part extending outwards horizontally from the middle of the second welding part and the third welding part; both sides of the second fixing part are provided with fixing barbs which protrude outwards and are clamped into the plastic shell.

6. The novel chip inductor integrated connector according to claim 5, wherein: the plastic shell and the second PCB board are surrounded to form a second mounting cavity, the second mounting cavity encloses the patch capacitor and the patch inductor, and a limit enclosing block on one side of the plug port is formed on one side surface of the plastic shell; the plastic shell is provided with a plurality of first accommodating grooves for fixing the first fixing and holding parts at the upper end and a plurality of second accommodating grooves for fixing the second fixing and holding parts at the lower end; limiting blocks for positioning the plastic body and guide posts for guiding are arranged on two sides of the plastic shell; and a positioning column which is matched and positioned with the second PCB is arranged on one side of the plastic shell.

7. The novel chip inductor integrated connector according to claim 6, wherein: the upper end of the second PCB is provided with a plurality of welding holes which are welded on the first welding part and are arranged at intervals, the lower end of the second PCB is provided with a plurality of welding grooves which are welded on the third welding part and are arranged at intervals, and the side edges of the second PCB are provided with positioning holes which are matched with the positioning columns.

8. The novel chip inductor integrated connector according to claim 6, wherein: a third accommodating groove for inserting the LED lamp is formed in the plastic main body; the side wall of the plastic body is provided with limit grooves matched with the limit blocks and the guide posts on two sides of the plastic shell.

9. The novel chip inductor integrated connector according to claim 8, wherein: the side surface of the plastic main body is provided with a bump, and the shielding shell is provided with a clamping interface which is correspondingly clamped and positioned with the bump; the shielding shell is internally provided with a clamping piece which is clamped with the crystal head so as to keep the stability of the insertion of the crystal head; and a welding sheet which is connected to the first PCB board to realize grounding is arranged outside the shielding shell.