CN203813138U

CN203813138U - Rj45 connector

Info

Publication number: CN203813138U
Application number: CN201420213151.0U
Authority: CN
Inventors: 卢中法; 蔡文博
Original assignee: Dongguan Mentech Optical and Magnetic Co Ltd
Current assignee: Dongguan Mentech Optical and Magnetic Co Ltd
Priority date: 2014-04-28
Filing date: 2014-04-28
Publication date: 2014-09-03
Anticipated expiration: 2024-04-28

Abstract

Provided is an RJ45 connector, comprising an outer housing and an inner housing fixedly connected in the outer housing. The inside of the inner housing is provided with a core inserting module, a PCB module, and a transformer connected in sequence. The transformer comprises a transformer coil and a plastic base. The plastic base is provided with a first metal terminal and a second metal terminal. The transformer coil is fixed in the plastic base. The plastic base is fixed in the inner housing. The transformer coil comprises a magnetic ring, a primary coil, and a secondary coil. The primary coil and the secondary coil are respectively wound on the magnetic ring. The magnetic ring is a double-hole magnetic ring. The primary coil is connected with the first metal terminal. The secondary coil is connected with the second metal terminal. The first metal terminal and the second metal terminal are connected with the PCB module. The magnetic ring of the transformer coil in the transformer of the RJ45 connector uses the double-hole magnetic ring, compared with a conventional single-hole magnetic ring, magnetic hysteresis loss and eddy-current loss in the magnetic ring are lower, thereby reducing loss of signal transmission, improving signal transmitting capacity, and realizing information transmission of a ten gigabit connector.

Description

RJ45 connector

Technical field

The utility model relates to communication equipment field, particularly relates to a kind of RJ45 connector.

Background technology

RJ45 connector is common in the connection of communication equipment, if the connecting line of network interface card or hub is often to adopt RJ45 connector as connector.Because the signal transmission of communication equipment need to be passed through RJ45 connector, therefore the signal transmission rate of RJ45 connector can affect the operating efficiency of communication equipment.

Along with network technology is more and more ripe, the network bandwidth is increasing, consumer is more and more universal to the application of large software, this not only requires the speed of service of equipment to want fast, and the transmission speed of the network information is also fast, the signal transmission rate of traditional gigabit RJ45 connector can not satisfy the demands, and need to be improved further the transmission rate of RJ45 connector, thereby reach the transmission of 10,000,000,000 RJ45 connectors, to promote its signal transmission rate.

Utility model content

Based on this, be necessary the problem for conventional art, the RJ45 connector that possesses 10,000,000,000 transmittabilities that a kind of signal transmission rate is higher is provided.

A kind of RJ45 connector, comprise shell body and be fixed in the inner housing in shell body, the inside of inner housing is provided with successively connected lock pin module, PCB (Printed Circuit Board, printed circuit board (PCB), be called for short PCB) module and transformer, transformer comprises transformer coil and plastic cement seat, plastic cement seat is provided with the first metal end and the second metal terminal, transformation coil is fixed in plastic cement seat, plastic cement seat is fixed in inner housing, transformer coil comprises magnet ring, primary coil and secondary coil, primary coil and secondary coil are wound in respectively on magnet ring, magnet ring is diplopore magnet ring, primary coil and the first metal end sub-connection, secondary coil is connected with the second metal terminal, the first metal end is all connected with PCB module with the second metal terminal.

In a kind of execution mode, the turn ratio of primary coil and secondary coil is 1:1 therein.

In a kind of execution mode, PCB module comprises main PCB and end PCB therein, and main PCB is provided with the first through hole mating with the first metal end, and end PCB is provided with the second through hole mating with the second metal terminal.

In a kind of execution mode, main PCB is provided with copper shell pad therein, and shell body is provided with the metal clips caving in, metal clips and copper shell pad butt.

In a kind of execution mode, PCB is provided with ground pad at the end therein, and ground pad is connected with shell body.

Therein in a kind of execution mode, the housing that shell body is metal, shell body comprises procapsid and the back casing of snapping.

Therein in a kind of execution mode, inner housing is provided with LED and the groove with the form fit of LED.

Therein in a kind of execution mode, main PCB is provided with first signal passage, secondary signal passage, the 3rd signalling channel, the 4th signalling channel, the 5th signalling channel, the 6th signalling channel, the 7th signalling channel, the 8th signalling channel and two building-out capacitors, and building-out capacitor is located at respectively between the 3rd signalling channel and the 5th signalling channel, between the 4th signalling channel and the 6th signalling channel.

In a kind of execution mode, the bottom of plastic cement seat is provided with groove therein.

Above-mentioned RJ45 connector, the magnet ring of the transformer coil in its transformer adopts diplopore magnet ring, compare traditional single hole magnet ring, the eddy current loss of its magnetic hysteresis loss and magnet ring inside still less, and then reduce the signal loss in when transmission, thereby reach the transmission of 10,000,000,000 RJ45 connectors, improve the transmittability of signal.

In addition; transformer coil adopts the winding mode of primary and secondary 1:1, and signal is pressed the ratio of 1:1 by transformer coil, and primary and secondary is the two ends of mutually insulated; play the effect of primary and secondary insulation protection, effectively protected the chip of client not to be subject to the damage of high impulse.

In the timing of RJ45 connector device, the first through hole and the first metal end patch, and the second through hole and the second metal terminal patch, thus fixing main PCB and end PCB, and also the transformer that is is connected with PCB modular circuit.

Copper shell pad butt on metal clips and main PCB on shell body, to realize line-to-ground.

Ground pad on end PCB is connected with shell body, has realized the integrality of shielding, more effective inhibition electromagnetic interference (Electromagnetic Interference is called for short EMI).

The procapsid of shell body and back casing snapping, form and fasten shielding space, effectively suppresses electromagnetic interference.

LED is used to indicate the operating state of RJ45, and the groove on inner housing is for fixed L ED.

Building-out capacitor in PCB module is for the interchannel phase mutual interference of Inhibitory signal.

The groove of plastic cement seat bottom is used for placing transformer coil lead-in wire, makes transformer coil shorter to the lead-in wire between metal terminal, effectively reduces the loss of transformer coil lead-in wire, and the loss of connector is reduced as far as possible.

Brief description of the drawings

Fig. 1 is the structural representation of the RJ45 connector of a kind of execution mode of the utility model;

Fig. 2 is the STRUCTURE DECOMPOSITION figure of the RJ45 connector shown in Fig. 1;

Fig. 3 is a kind of placement state structural representation of the transformer shown in Fig. 1;

Fig. 4 is the structural representation of the another kind of placement state of the transformer shown in Fig. 3;

Fig. 5 is the envelope curve structural representation of the transformer coil shown in Fig. 1;

Fig. 6 is the Facad structure schematic diagram of the main PCB shown in Fig. 1;

Fig. 7 is the reverse side structural representation of the main PCB shown in Fig. 6;

Fig. 8 is the Facad structure schematic diagram of the end PCB shown in Fig. 1;

Fig. 9 is the reverse side structural representation of the end PCB shown in Fig. 8;

Below the description of symbols in accompanying drawing:

100-RJ45 connector, 10-shell body, 11-metal clips, 12-procapsid, 13-back casing, 20-inner housing, 21-storage tank, 22-groove, 30-LED, 40-lock pin module, 50-PCB module, 511-main PCB, PCB at the bottom of 512-, 513-the first through hole, 514-the second through hole, 52-building-out capacitor, 53-ground pad, 54-copper shell pad, 60-transformer, 61-plastic cement seat, 62-the first metal end, 63-the second metal terminal, 64-transformer coil, 641-diplopore magnet ring, 642-primary coil, 643-secondary coil, 65-groove.

Embodiment

For further understanding feature of the present utility model, technological means and the specific purposes that reach, function, resolve advantage of the present utility model and spirit, by below in conjunction with accompanying drawing and embodiment, detailed description of the present utility model being further understood.

Referring to accompanying drawing 1 and accompanying drawing 2, it is respectively structural representation and the STRUCTURE DECOMPOSITION figure of the RJ45 connector 100 of a kind of execution mode of the utility model.

RJ45 connector 100 comprises: shell body 10 and be fixed in the inner housing 20 in shell body 10.The inside of inner housing 20 is provided with the lock pin module 40, PCB module 50 and the transformer 60 that connect successively.Inner housing 20 is provided with a storage tank 21.Lock pin module 40 is connected to the storage tank 21 of inner housing 20.

The housing that shell body 10 is metal, it comprises: the procapsid 12 of snapping and back casing 13.The procapsid 12 of shell body 10 and back casing 13 snappings, form and fasten shielding space, effectively suppresses electromagnetic interference.The both sides of inner housing 20 are all connected with LED30.The sidewall of inner housing 20 is also provided with the groove 22 with the form fit of LED30.LED30 is used to indicate the current operating state of RJ45 connector, and LED30 is fixed in groove 22.In addition, shell body 10 is provided with the metal clips 11 caving in.

Referring to accompanying drawing 3 to 4, it is respectively the tow sides structural representation of the transformer 60 shown in Fig. 1.

Transformer 60 comprises: organize transformer coil 64 and plastic cement seat 61 more.Transformer coil 64 is fixed in plastic cement seat 61, and plastic cement seat 61 is fixed in inner housing 20.Plastic cement seat 61 is provided with the first metal end 62 and the second metal terminal 63.

Please refer to Fig. 5, it is the envelope curve structural representation of the transformer coil 64 shown in Fig. 3, comprise: magnet ring 641, primary coil 642 and secondary coil 643, primary coil 642 and secondary coil 643 are wound on different magnet ring 641 separately, as shown in Figure 5, primary coil is only wrapped on larger magnet ring, and secondary coil is not only wrapped on larger magnet ring, and is wrapped on less magnet ring.Magnet ring 641 is diplopore magnet ring.Plastic cement seat 61 is provided with the first metal end 62 and the second metal terminal 63.The second metal terminal 63 is fixed on the middle part of plastic cement seat 61, and the first metal end 62 is distributed in the both sides of plastic cement seat 61.The first metal end 62 is all connected with PCB module 50 with the second metal terminal 63.The middle part of plastic cement seat 61 is provided with groove 65.The coiling of this primary coil 642 and secondary coil 643 is connected with the second metal terminal 63 through the groove 65 of plastic cement seat 61 by lead-in wire.The length of the first metal end 62 is less than the length of the second metal terminal 63, makes workman identify fast the first metal end 62 and the second metal terminal 63 in the time of assembling RJ45 connector, improves efficiency of assembling.

Wherein, the coiling in primary coil 642 is wound in three through the diplopore of magnet ring 641 and pounds coiling.Coiling in secondary coil 642 is wound in three through the diplopore of magnet ring 641 and pounds coiling.The turn ratio of primary coil 642 and secondary coil 643 is 1:1; make signal pass through transformer coil 64 by the ratio of 1:1; and primary coil 642 and secondary coil 643 are two ends of mutually insulated; play the effect of primary coil 642 and secondary coil 643 insulation protections, effectively protect the chip of the client being connected with RJ45 connector 100 not to be subject to the damage of high impulse.

The groove 65 at plastic cement seat 61 middle parts goes between for placing transformer coil 64, make the lead-in wire of 63 of secondary coil 643 to second metal terminals of transformer coil 64 shorter, effectively reduce the loss that transformer coil 64 goes between, the loss of connector is reduced as far as possible.

Referring to accompanying drawing 6 and 8, it is respectively the front schematic view of main PCB 511 and the front schematic view of end PCB512 of the PCB module 50 shown in Fig. 1.

PCB module 50 comprises main PCB 511 and end PCB512, and main PCB 511 is provided with the first through hole 513, and end PCB512 is provided with the second through hole 514.The first through hole 513 patches with the first metal end 62 on plastic cement seat 61, and the second through hole 514 patches with the second metal terminal 63 on plastic cement seat 61.In the time that RJ45 connector 100 assembles, fixing main PCB 511 and end PCB512, and transformer is electrically connected with PCB module 50.

Please refer to Fig. 7, it is the reverse side schematic diagram of the main PCB shown in Fig. 6, and main PCB 511 is provided with copper shell pad 54, and metal clips 11 butts on this copper shell pad 54 and shell body 10, to realize the line-to-ground in RJ45 connector 100.

On main PCB 511, comprise the first signal passage, secondary signal passage, the 3rd signalling channel, the 4th signalling channel, the 5th signalling channel, the 6th signalling channel, the 7th signalling channel, the 8th signalling channel that are arranged in order distribution.On main PCB 511, be also provided with two building-out capacitors 52.This building-out capacitor 52 is located at respectively between the 3rd signalling channel and the 5th signalling channel, between the 4th signalling channel and the 6th signalling channel.This building-out capacitor 52 is for the interchannel phase mutual interference of Inhibitory signal.

Please refer to Fig. 9, it is the reverse side schematic diagram of the end PCB shown in Fig. 8, and an edge of end PCB512 is provided with two ground pads 53, and this ground pad 53 is connected with shell body 10, realizes the integrality of magnetic field shielding, more effective inhibition electromagnetic interference.

In traditional RJ45 connector, its transformer adopting be single hole magnet ring, single hole magnet ring is in the time that signal transmits, the eddy current loss of magnetic hysteresis loss and magnet ring inside is larger, makes the transmission rate of RJ45 connector limited, transmission rate only can reach gigabit rank.And above-mentioned RJ45 connector 100, the magnet ring 641 of the transformer coil 64 in transformer 60 adopts diplopore magnet ring, compare traditional RJ45 connector, the eddy current loss of its magnetic hysteresis loss and magnet ring inside still less, and then reduce the signal loss in when transmission, and improving the transmittability of signal, transmission rate is higher, transmission range is farther, and transmittability reaches 10,000,000,000 ranks.

The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims

1. a RJ45 connector, comprise shell body and be fixed in the inner housing in described shell body, the inside of described inner housing is provided with the lock pin module connecting successively, PCB module and transformer, it is characterized in that, described transformer comprises transformer coil and plastic cement seat, described plastic cement seat is provided with the first metal end and the second metal terminal, described transformation coil is fixed in described plastic cement seat, described plastic cement seat is fixed in described inner housing, described transformer coil comprises magnet ring, primary coil and secondary coil, described primary coil and secondary coil are wound in respectively on magnet ring, described magnet ring is diplopore magnet ring, described primary coil and described the first metal end sub-connection, described secondary coil is connected with described the second metal terminal, described the first metal end is all connected with described PCB module with described the second metal terminal.

2. RJ45 connector according to claim 1, is characterized in that, the turn ratio of described primary coil and described secondary coil is 1:1.

3. RJ45 connector according to claim 1, is characterized in that, the housing that described shell body is metal, and described shell body comprises procapsid and the back casing of snapping.

4. RJ45 connector according to claim 1, it is characterized in that, described PCB module comprises main PCB and end PCB, and described main PCB is provided with the first through hole mating with described the first metal end, and described end PCB is provided with the second through hole mating with described the second metal terminal.

5. RJ45 connector according to claim 4, is characterized in that, described main PCB is provided with copper shell pad, and described shell body is provided with the metal clips caving in, described metal clips and described copper shell pad butt.

6. RJ45 connector according to claim 4, is characterized in that, described end PCB is provided with ground pad, and described ground pad is connected with described shell body.

7. RJ45 connector according to claim 1, is characterized in that, described inner housing is provided with LED and the groove with the form fit of described LED.

8. RJ45 connector according to claim 4, it is characterized in that, described main PCB is provided with first signal passage, secondary signal passage, the 3rd signalling channel, the 4th signalling channel, the 5th signalling channel, the 6th signalling channel, the 7th signalling channel, the 8th signalling channel and two building-out capacitors, and described building-out capacitor is located at respectively between the 3rd signalling channel and the 5th signalling channel, between the 4th signalling channel and the 6th signalling channel.

9. RJ45 connector according to claim 1, is characterized in that, the bottom of described plastic cement seat is provided with groove.

10. RJ45 connector according to claim 1, is characterized in that, the length of described the first metal end is less than the second metal terminal.