CN101752741A

CN101752741A - Electric coupler

Info

Publication number: CN101752741A
Application number: CN200810306327A
Authority: CN
Inventors: 颜波
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Fu Ding Precision Components Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-12-18
Filing date: 2008-12-18
Publication date: 2010-06-23
Anticipated expiration: 2028-12-18
Also published as: CN101752741B

Abstract

The invention discloses an electric coupler, comprising an insulating body, conductive terminals arranged in the insulating body and a case mounted on the insulating body. A conducting layer is arranged inside the case. Space exists between the conducting layer and the conductive terminals. A plurality of projecting parts are formed on the conducting layer by convex extension and are contacted with the conductive terminals, thus effectively adjusting the capacitance, achieving the aim of adjusting the high frequency property and being beneficial to signal transmission.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, relate in particular to a kind of electric connector that has housing.

[background technology]

The design of electric connector and the design of high frequency performance are closely-related, and high frequency performance has determined the propagation velocity of signal.And high frequency performance depends primarily on two parameters, i.e. electric capacity and inductance, i.e. and characteristic impedance, desirable transmission line is the conductor of lossless endless, so the size/phase place of electric capacity and inductance depends primarily on structure, geometric parameter or the material of conductor lines.Exactly inductance is relevant with the electric current length of flow across, and is shorter better; Electric capacity is long-pending relevant with conductive surface, increases electric capacity and can reduce characteristic impedance, and plastics influence capacitance, and dielectric constant is higher, and electric capacity is bigger.So want to improve the transmission speed of electric connector, we will pay attention to the utilization of above-mentioned factor in the design of electric connector.

The TaiWan, China patent announcement has disclosed a kind of electric connector No. 510588, it comprises insulating body, be arranged at the plurality of terminals of insulating body, this insulating body comprises Plug Division and the installation portion that is positioned at relative both sides, Plug Division, this Plug Division comprises interface and the rear end face relative with interface, terminal comprises fixed part, the contact site that extends forward along fixed part, weld part and be connected and fixed portion and the connecting portion of weld part, the contact site of terminal inserts from the rear end face of Plug Division, fixed part is fixed in the Plug Division, and connecting portion and weld part are exposed to outside the insulating body Plug Division.This patent is provided with the jube that the connecting portion with terminal separates by the rear end face in the Plug Division, reach the purpose of regulating high frequency performance, because the structural design of terminal is a kind of universal design, increasing jube must influence the physical dimension of terminal, thereby can destroy the standard size of terminal.Adjust high frequency performance although can change the size of terminal, but the change scope of terminal sizes is conditional, and then the high frequency performance adjustment can be restricted also, can not reach effective adjusting high frequency performance.

Therefore,, be necessary to design a kind of new electric connector and change high frequency performance with the standard size that solves by destroying terminal in view of the deficiency of aforementioned electric connector, and the problem of high frequency performance limited adjustment range system.

[summary of the invention]

The technical problem that the present invention solves: a kind of electric connector is provided, and it can effectively regulate high frequency performance, improves the speed that the electric connector signal is propagated.

The technical problem that the present invention solves is achieved through the following technical solutions: a kind of electric connector, the housing that comprises insulating body, is arranged at the conducting terminal of insulating body and is installed on insulating body, described enclosure interior is provided with conductive layer, this conductive layer and conducting terminal are separately, protrude out on the conductive layer and form some protuberances, this protuberance contacts with conducting terminal.

Compared with prior art, electric connector of the present invention has following beneficial effect: by being provided with conductive layer in enclosure interior, this conductive layer and conducting terminal are separately, protrude out on the conductive layer and form some protuberances, this protuberance contacts with conducting terminal, thereby effectively regulate the high frequency performance of electric connector, improve the transmission speed of signal.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the embodiment one of electric connector of the present invention.

Fig. 2 is the three-dimensional exploded view of another angle of electric connector shown in Figure 1.

Fig. 3 is the housing of electric connector shown in Figure 1 and the exploded view of conductive layer.

Fig. 4 is the three-dimensional assembly diagram of electric connector shown in Figure 1.

Fig. 5 is the cutaway view of electric connector shown in Figure 4 along the A-A line.

Fig. 6 is the housing of the embodiment two of electric connector of the present invention and the exploded view of conductive layer.

Fig. 7 is the housing of the embodiment three of electric connector of the present invention and the exploded view of conductive layer.

[embodiment]

Embodiment one:

As Fig. 1 to shown in Figure 5, the cuboid of 100 one-tenth lengthwises of electric connector, it comprises insulating body 1, be arranged at conducting terminal 2 on the insulating body 1, be installed in the housing 3 on the insulating body 1 and be located at conductive layer 4 on the housing 3.

Insulating body 1 comprises the Plug Division 11 and the fixed part 12 that is positioned at 11 relative both sides, Plug Division of the lengthwise shape that protrudes out forward, this Plug Division 11 comprises interface 111 and the rear end face 112 relative with interface 111,11 inside, Plug Division are provided with plurality of terminals groove 113, each terminal groove 113 is connected with the L type plug receptacle 114 that 11 the interface 111 from the Plug Division is arranged with backward, and this L type plug receptacle 114 can play the effect of fool proof.The both sides of Plug Division 11 respectively are convexly equipped with guide posts 115, and this guide posts 115 has made things convenient for butt connector (figure is for showing) docks.Said fixing portion 12 is provided with holddown groove 121, this holddown groove 121 is used for placing locking piece 122, this locking piece 122 is a threaded connector, fixed part 12 is to be used for fixing electric connector 100 and circuit board (figure does not show), the inboard of fixed part 12 is provided with carrier 123, and this carrier 123 is to be used for installing supporting bracket 13.The rear end face 112 of Plug Division 11 is installed a supporting bracket 13, and the both sides of this supporting bracket 13 are provided with holding section 132, and this holding section 132 is connected with the carrier 123 of two fixed parts 12, and this supporting bracket 13 also can be one-body molded with insulating body 1.Supporting bracket 13 is provided with the location hole of arranging along longitudinally 131, and the connecting portion 23 of conducting terminal 2 passes this

location hole

131, and 131 pairs of conducting terminals 2 of location hole have played the effect of fixed limit, and whole supporting bracket 13 is used for accepting housing 3.

Conducting terminal 2 comprises contact site 21, holding parts 22, connecting portion 23 and weld part 24.Contact site 21 extends to form forward along holding parts 22, this contact site 21 is contained in 11 terminal grooves 113 of Plug Division from rear end face 112 insertions of Plug Division 11, holding parts 22 is fixed in the terminal groove 113 of Plug Division 11, connecting portion 23 connects and electrically conduct holding parts 22 and weld part 24, connecting portion 23 and weld part 24 are exposed to outside the Plug Division 11, and the location hole 131 that 23 one-tenth L types of connecting portion pass supporting bracket 13 is connecting weld part 24.Conducting terminal 2 comprises the power supply terminal of power supply area and the conducting terminal of data field, and the data field comprises three earth terminals 25, two signal terminals of arranging between the adjacent earth terminal 25, and power supply area and data field are spaced apart from each other.

Housing 3 is made by plastic cement, and it comprises roof 31, the rear wall 32 vertical with roof 31 and in abutting connection with the sidewall 33 of roof 31 and rear wall 32.Rear wall 32 is provided with some back-up blocks 321, and this back-up block 321 is corresponding with the protuberance 41 of conductive layer 4.Roof 31 and rear wall 32 parallel with the connecting portion 23 of conducting terminal 2, and sidewall 33 matches with the supporting bracket 13 of insulating body 1.

Conductive layer 4 is positioned at the rear wall 32 of housing 3, parallel with the connecting portion 23 of conducting terminal 2, conductive layer 4 protrudes out and forms some protuberances 41, this protuberance 41 is parallel to each other and covers on the back-up block 321 of housing 3 rear walls 32, this protuberance 41 contacts with the earth terminal 25 of conducting terminal 2, conductive layer 4 has formed additional capacitor with conducting terminal 2 like this, has increased the electric capacity of electric connector 100 integral body, thus the high frequency performance that reduced impedance adjustment.

Assembling electric connector 100, at first conducting terminal 2 is installed on the insulating body 1, the contact site 21 of conducting terminal 2 and holding parts 22 are housed in the terminal groove 113 of Plug Division 11, connecting portion 23 and weld part 24 are exposed to outside the Plug Division 11, supporting bracket 13 is assemblied on the rear end face 112 of insulating body 1 Plug Division 11, matches with the carrier 123 of insulating body 1 fixed part 12 inboards in the holding section 132 of supporting bracket 13 both sides.The connecting portion 23 of conducting terminal 2 passes the location hole 131 of insulating body 1 supporting bracket 13.The housing 3 that posts conductive layer 4 is installed on the insulating body 1, conductive layer 4 can take the mode of pad pasting or plating to be assembled together with housing 3, housing 3 is to be positioned on the supporting bracket 13 of insulating body 1 by sidewall 33, the protuberance 41 of conductive layer 4 covers on the back-up block 321 of housing 3 and with earth terminal 25 and contacts, conductive layer 4 has formed new electric capacity with conducting terminal 2 like this, thereby regulate the high frequency performance of electric connector 100, improve the propagation velocity of signal.

Embodiment two:

As shown in Figure 6, the difference of present embodiment and embodiment one only is: conductive layer 4 ' is positioned on the roof 31 ' and rear wall 32 ' of housing 3 ' simultaneously, conductive layer 4 ' protrudes out and forms some protuberances 41 ', this protuberance 41 ' is corresponding with the back-up block 321 ' on housing 3 ' rear wall ' 32 ', thereby present embodiment increases electric capacity by the area that increases conductive layer 4 ', reduce impedance, reached the purpose of adjusting high frequency performance, and then improve signaling rate.

Embodiment three:

As shown in Figure 7, the difference of present embodiment and embodiment one and embodiment two only is: housing 3 " rear wall 32 " be provided with some back-up blocks 321 " and jube 322 that the connecting portion of each conducting terminal is separated ", conductive layer 4 " be positioned at housing 3 simultaneously " roof 31 " and rear wall 32 " on, this conductive layer 4 " protrude out form some protuberances 41 " and protruding hurdle 42 ", this protuberance 41 " with protruding hurdle 42 " respectively with housing 3 " back-up block 321 " and jube 322 " corresponding.Like this by increasing jube 322 " change dielectric constant, increase electric capacity, again with conductive layer 4 " superimposed, more can increase electric capacity, reduce impedance, adjust high frequency performance, improve signaling rate.

Claims

1. electric connector, the housing that comprises insulating body, is arranged at the conducting terminal of insulating body and is installed on insulating body, it is characterized in that: described enclosure interior is provided with conductive layer, this conductive layer and conducting terminal are separately, protrude out on the conductive layer and form some protuberances, this protuberance contacts with conducting terminal.

2. electric connector as claimed in claim 1 is characterized in that: described conducting terminal comprises three earth terminals, two signal terminals of arranging between the adjacent earth terminal, and the protuberance of described conductive layer contacts with earth terminal.

3. electric connector as claimed in claim 2, it is characterized in that: described conducting terminal also comprises power supply terminal, and this conducting terminal is divided into power supply area and data field, and power supply area comprises power supply terminal, the data field comprises above-mentioned earth terminal and signal terminal, and this power supply area and data field separate.

4. electric connector as claimed in claim 1 is characterized in that: described conductive layer and housing can be taked to electroplate or the mode of pad pasting.

5. as claim 1 or 2 or 3 described electric connectors, it is characterized in that: described insulating body comprises the Plug Division, this Plug Division comprises interface and the rear end face relative with interface, described conducting terminal comprises holding parts, contact site, the weld part that extends to form forward along holding parts and the connecting portion that connects holding parts and weld part, this conducting terminal inserts from the rear end face of Plug Division, contact site and holding parts are contained in the insulating body Plug Division, and connecting portion and weld part are exposed to outside the Plug Division.

6. electric connector as claimed in claim 5, it is characterized in that: described insulating body also comprises the fixed part that is positioned at relative both sides, Plug Division, described housing covers the connecting portion of conducting terminal, and this housing is in the rear end of insulating body Plug Division and between two fixed parts.

7. electric connector as claimed in claim 6, it is characterized in that: described housing comprises roof and the rear wall vertical with roof, and housing is provided with some back-up blocks, this back-up block is corresponding with the protuberance of conductive layer, described conducting terminal connecting portion becomes the L type, and this housing parallels with the conducting terminal connecting portion.

8. electric connector as claimed in claim 7 is characterized in that: described conductive layer is positioned at the rear wall or whole being positioned on the roof and rear wall of housing of housing.

9. electric connector as claimed in claim 7 is characterized in that: the rear wall of described housing is provided with the jube that each conducting terminal connecting portion is separated.

10. electric connector as claimed in claim 6 is characterized in that: the rear end face of described Plug Division is installed a supporting bracket, and this supporting bracket is connected with two fixed parts of insulating body, and described housing is installed on this supporting bracket.