CN101752741B

CN101752741B - Electric coupler

Info

Publication number: CN101752741B
Application number: CN 200810306327
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: 2013-12-25
Anticipated expiration: 2028-12-18
Also published as: CN101752741A

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 with 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. 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, heals better short; Electric capacity is long-pending relevant with conductive surface, increases electric capacity and can reduce characteristic impedance, and plastics affect capacitance, and dielectric constant is higher, and electric capacity is larger.So want to improve the transmission speed of electric connector, we will focus on 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 some 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 extended forward along fixed part, weld part and be connected and fixed section 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 Plug Division, 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 of terminal is separated by the rear end face in Plug Division, reach the purpose of regulating high frequency performance, the structural design due to terminal is a kind of universal design, and increasing jube must affect 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 also can be restricted, can not reach effective adjusting high frequency performance.

Therefore, in view of the deficiency of aforementioned electric connector, be necessary to design a kind of new electric connector and change high frequency performance with the standard size solved by destroying terminal, 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 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 enclosure interior, being provided with conductive layer, this conductive layer and conducting terminal are separately, protrude out on 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.

[accompanying drawing explanation]

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

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

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

The three-dimensional assembly diagram that Fig. 4 is electric connector shown in Fig. 1.

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

The housing of the embodiment bis-that Fig. 6 is electric connector of the present invention and the exploded view of conductive layer.

The housing of the embodiment tri-that Fig. 7 is electric connector of the present invention and the exploded view of conductive layer.

[embodiment]

Embodiment mono-:

As shown in Figures 1 to 5, the cuboid of 100 one-tenth lengthwises of electric connector, it comprises insulating body 1, be arranged at conducting terminal 2 on insulating body 1, be arranged on the housing 3 on insulating body 1 and be located at the conductive layer 4 on 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 protruded 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 some terminal grooves 113, each terminal groove 113 is connected with the L-type plug receptacle 114 that 11 interface 111 is arranged with backward from Plug Division, and this L-type plug receptacle 114 can play the effect of fool proof.11 both sides, Plug Division respectively are convexly equipped with guide posts 115, and this guide posts 115 has facilitated with butt connector (figure is for showing) docks.Above-mentioned fixed part 12 is provided with holddown groove 121, this holddown groove 121 is used for placing locking piece 122, this locking piece 122 is threaded connector, fixed part 12 is to be used for fixing electric connector 100 and circuit board (not shown), the inboard of fixed part 12 is provided with carrier 123, and this carrier 123 is for supporting bracket 13 is installed.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 132，Gai holding section, holding section 132 and are 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 131 of arranging along longitudinally, and the connecting portion 23 of conducting terminal 2 is through this

location hole

131, and 131 pairs of conducting terminals 2 of location hole have played fixing spacing effect, 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

Plug Division

11, and 23 one-tenth L-types of connecting portion are connecting weld part 24 through the location hole 131 of supporting bracket 13.Conducting terminal 2 comprises the power supply terminal of power supply area and the conducting terminal of data field, and data field comprises three earth terminals 25, two signal terminals of arranging between 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, with the connecting portion 23 of conducting terminal 2, parallel, 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 arranged on 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 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 is through the location hole 131 of insulating body 1 supporting bracket 13.The housing 3 that posts conductive layer 4 is arranged on 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 contacts with earth terminal 25, 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 bis-:

As shown in Figure 6, the difference of the present embodiment and embodiment mono-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 the 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 tri-:

As shown in Figure 7, the difference of the present embodiment and embodiment mono-and embodiment bis-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 " and 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, then with conductive layer 4 " superimposed, more can increase electric capacity, reduce impedance, adjust high frequency performance, improve signaling rate.

Claims

1. an 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 conductive layer and form some protuberances, conducting terminal comprises earth terminal, and this protuberance contacts with the earth terminal in conducting terminal, and described conductive layer and conducting terminal form additional capacitor.

2. electric connector as claimed in claim 1, it is characterized in that: described conducting terminal comprises three earth terminals, two signal terminals of arranging between adjacent earth terminal, 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, 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 Plug Division, this Plug Division comprises interface and the rear end face relative with interface, described conducting terminal comprises holding parts, the contact site extended to form forward along holding parts, weld part 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 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 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 rear wall or whole being positioned on the roof and rear wall of housing of housing.

9. electric connector as claimed in claim 7, it 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 arranged on this supporting bracket.