CN201440479U - Cable connector assembly - Google Patents
Cable connector assembly Download PDFInfo
- Publication number
- CN201440479U CN201440479U CN2009203031468U CN200920303146U CN201440479U CN 201440479 U CN201440479 U CN 201440479U CN 2009203031468 U CN2009203031468 U CN 2009203031468U CN 200920303146 U CN200920303146 U CN 200920303146U CN 201440479 U CN201440479 U CN 201440479U
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- China
- Prior art keywords
- terminal
- circuit board
- terminals
- differential pair
- weld part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a cable connector assembly, comprising an insulating body which is provided with a plurality of terminal grooves, electric-conduction terminals contained in the terminal grooves of the insulating body correspondingly, a circuit board electrically connected with the electric-conduction terminals and a plurality of lead wires connected on the circuit board; the electric-conduction terminals include a plurality of differential pair terminals and grounding terminals which are provided with welding parts, conducting plates are respectively arranged on the upper and lower surfaces of the circuit board, and the welding parts of the differential pair terminals and the grounding terminals are arrayed into two rows, the welding parts of the differential pair terminals are welded on the conducting plates at the same side of the circuit board, and the welding part of the grounding terminals are welded on the conducting plates at the other side of the circuit board. In the utility model, by improving the arraying pattern of the tail parts of the terminals, the welding is convenient and interference can be effectively reduced when signals are transmitted.
Description
[technical field]
The relevant a kind of micro coaxial cable connector assembly of the utility model refers to a kind of effectively micro coaxial cable connector assembly of transmitting high-frequency signal especially.
[background technology]
For satisfying the requirement of the connector that consumer electronics market demand volume is little, transfer rate is high, April in 2002, Hitachi, Panasonic, Philip, crystalline substance picture (Silicon Image), Sony, Thomson, Toshiba totally 7 companies have set up HDMI (High-definition Digital Multimedia Interface; High definition numerical digit multimedia interface) association begins to formulate the new numerical digit video/audio transmission criteria that is exclusively used in.HDMI is that a kind of full digitisation image and sound transmit interface, can transmit audio signal and the vision signal of not having compression.HDMI can be used for set-top box, DVD player, personal computer, holder for TV playing, comprehensive enlarger, digital sound and television set.HDMI can transmit audio frequency and video-audio signal simultaneously, because the Voice ﹠ Video signal adopts same cable, has simplified the installation of system greatly.
According to the HDMI transmission standard, the always total 19pin of C type HDMI, this 19pin is arranged between 7.2mm, and the pin spacing only is 0.4mm, and it is very difficult that intensive pin like this is welded in same plane.China's utility model is announced the CN2711949Y patent, disclosed a kind of A type HDMI connector, this connector to we give us some solve the prompting of above-mentioned Welding Problems, the pin of C type HDMI can be welded on the two sides of pcb board, so just can increase the pin spacing and convenient welding.A type and C type HDMI include 19pin, comprise 3 TMDS (Time MinimizedDifferential Signal that are used to transmit data among this 19pin, the transition minimized differential signaling transmission technology) transmission channel, also has 1 independently TMDS clock passage, required unified sequential when guaranteeing transmission, each TMDS passage all comprises a pair of differential pair pin and ground connection pin who is used to transmit differential signal, yet, these four couples of differential pair pin are welded on two faces of pcb board in the prior art, when transmitting signal like this, signal on two faces of PCB can exist necessarily crosstalks, and influences the signal transmission.
Therefore, necessary micro coaxial cable connector assembly is improved to solve above-mentioned defective of the prior art.
[utility model content]
Main purpose of the present utility model is to provide a kind of micro coaxial cable connector assembly that improves structure that has, crosstalking when it can effectively reduce the signal transmission.
To achieve these goals, the utility model adopts following technical scheme: a kind of micro coaxial cable connector assembly, it comprises the insulating body that is provided with the plurality of terminals groove, be contained in the conducting terminal in the insulating body respective end pilot trench, electrically connect the circuit board of conducting terminal and be connected in some leads on the circuit board, described conducting terminal comprises some differential pair terminals and the earth terminal that is provided with weld part, the upper and lower surface of described circuit board is respectively equipped with conducting strip, the weld part of described differential pair terminal and the welding portion of earth terminal two rows arrange, the weld part of described some differential pair terminals is welded on the conducting strip of the same side of circuit board, and the weld part of described earth terminal then is welded on the conducting strip of opposite side of circuit board.
To achieve these goals, the utility model can also adopt following technical scheme: a kind of micro coaxial cable connector assembly, it comprises the insulating body that is provided with the plurality of terminals groove, be contained in the conducting terminal in the insulating body respective end pilot trench, electrically connect the circuit board of conducting terminal and be connected in some leads on the circuit board, described conducting terminal comprises some differential pair terminals and the earth terminal that is provided with weld part, the upper and lower surface of described circuit board is respectively equipped with conducting strip, the weld part of described conducting terminal is lined up two rows, described every pair of differential pair terminal comprises at least two sub-terminals, and the weld part of two sub-terminals of described every pair of differential pair terminal is welded on the conducting strip of the same side of circuit board.
Compared with prior art, the utility model has following beneficial effect: micro coaxial cable connector assembly is by improving the arrangement mode of terminal tails, crosstalking when conveniently welding and can effectively reduce the signal transmission.
[description of drawings]
Fig. 1 is the three-dimensional assembly diagram of the utility model micro coaxial cable connector assembly.
Fig. 2 is the three-dimensional exploded view of micro coaxial cable connector assembly shown in Figure 1.
Fig. 3 is the view at another visual angle of micro coaxial cable connector assembly shown in Figure 2.
Fig. 4 is the part three-dimensional assembly diagram of the utility model micro coaxial cable connector assembly, and wherein insulating body and shielding casing are removed.
Fig. 5 is the view at another visual angle of micro coaxial cable connector assembly shown in Figure 4.
Fig. 6 is the plan view of upper surface of the circuit board of the utility model micro coaxial cable connector assembly.
Fig. 7 is the plan view of the lower surface of circuit board shown in Figure 6.
[embodiment]
Please refer to Figure 1 and Figure 2, the utility model micro coaxial cable connector assembly 100 comprises insulating body 1, plurality of conductive terminals 2, be assembled in the circuit board 3 of insulating body 1 rear end, be surrounded on the outer shielding casing 4 of insulating body 1 and the lead (not shown) of some connecting circuit plates 3.
Please refer to Fig. 1 to shown in Figure 4, insulating body 1 front end is enclosed to form a trapezoidal receiving space 11 to accommodate the hyoplastron of butt connector (not shown) by wall, plurality of terminals groove 12 is formed at the upper wall of insulating body 1, and be connected with receiving space 11, in order to accommodate conducting terminal 2 and conducting terminal 2 parts are exposed in the receiving space 11.Insulating body 1 rear end is a joint face 13, and described joint face 13 is recessed to form host cavity 130 from back to front.The position that insulating body 1 upside links to each other with joint face 13 is provided with upwardly extending protuberance 14, has been arranged side by side a pair of groove 141 on this protuberance 14, and described groove 141 is recessed to form forward from joint face 13.The face that described protuberance 14 front ends link to each other with insulating body 1 is the face of keeping out 142.
Described conducting terminal 2 comprises differential pair signal terminal and earth terminal, each conducting terminal 2 front end is elasticity docking section 21, be inserted into front end along terminal groove 12 from the rear end of the body 1 that insulate, as shown in Figure 2, the docking section 21 of described differential pair signal terminal and earth terminal is arranged in a row and is exposed in the receiving space in order to electrically to contact with the butt joint terminal.Conducting terminal 2 interludes are holding parts 22, and the rear end is a weld part, described weld part comprises joint face 14 outer also apportion two rows' that are exposed to insulating body 1 differential pair signal terminal weld part 23 and earth terminal weld part 24, electrically connects with the upper and lower surface correspondence position with circuit board 3.The differential signal of partially conductive terminal 2 carries out bending to increase bonding area during to weld part 23 punching presses of terminal, and remaining weld part 23 is a tabular, the bonding area of described flat weld part 23 is less than the bonding area of the weld part 23 of process bending, that is, the width of described flat weld part 23 is less than the width of the weld part 23 of process bending.Conducting terminal 2 is arranged in order totally 19 of conducting terminal S from conducting terminal A in the present embodiment, comprising four pairs of differential pair terminals that are used to transmit differential signal, be respectively BC, EF, HI, KL, B wherein, branches such as C another name is the sub-terminal of corresponding differential pair signal terminal, every pair of differential pair terminal side is provided with an earth terminal, be respectively A, D, G, J, the weld part 24 of this four grounded terminal all is arranged in first row and promptly arranges down, and the weld part 23 of four pairs of difference signal terminal all is arranged in the i.e. row of going up of second row, weld part 23 with four pairs of differential terminal is arranged on the same row like this, and distance is littler than the distance between each differential pair terminal between the sub-terminal of every pair of differential pair terminal, crosstalking in the time of signal can being transmitted so is set drops to minimum.In the present embodiment, the conducting terminal that weld part is arranged in first row comprises 7, be respectively A, D, G, J, M, P, S, the conducting terminal that weld part is arranged in second row comprises 12, be respectively B, C, E, F, H, I, K, L, N, O, Q, R, be arranged in spacing between first row's the weld part of conducting terminal greater than the spacing between the weld part of the conducting terminal that is arranged in second row.The weld part that is arranged in first row's conducting terminal all forms the weld part of bending-like through bending.The weld part of conducting terminal that is arranged in second row partly be the weld part of bending-like, and part is flat weld part, the arranging of the weld part of these bending-likes and flat weld part interval.
Shielding casing 4 is the shaped as frame structure, it comprises the sidewall 43 that upper wall 41, lower wall 42 and a pair of and upper and lower wall 41,42 link to each other, the rear end of described upper wall 41 upwards is bent to form the occlusion part 412 that separate with upper wall 41 rear end, these occlusion part 412 front portions are provided with a pair of retaining sheet 4121, these retaining sheet 4121 rear ends link to each other with occlusion part 412, and front end bends downwards.The position of upper wall 41 next-door neighbour occlusion parts 412 forms a pair of projection 413, and when moulding cladding (not shown), the liquid of fusion combines with projection 413 with shielding casing 4 and cladding reliable connection.Described sidewall 43 offers short slot 431 from back to front, and the front end of this short slot 431 is provided with inwall 4311, and after it more leans on than occlusion part 412 and junction 4122 of upper wall 41, and this short slot 431 also comprises roof 4312 and the diapire 4313 relative with roof 4312.The downward depression in the rear end of described lower wall 42 forms depressed part 421 with the bigger accommodation space of formation, and this depressed part 421 is oppositely arranged with occlusion part 412.
Please refer to Fig. 1 to shown in Figure 4, during assembling, conducting terminal 2 inserts in the terminal groove 12 of insulating body 1 from back to front, its front end docking section 21 parts are exposed in the receiving space 11, again circuit board 3 is assembled in from back to front insulating body 1 rear end, and the weld part of conducting terminal 2 be divided into two row and circuit board 3 on, first conducting strip 311 of lower surface contacts, and weld part 23 correspondences of differential pair signal terminal are welded in first conducting strip 311 of the upper surface of circuit board 3, then corresponding respectively first conducting strip 311 that is welded in the lower surface of circuit board 3 of the weld part 24 of earth terminal, terminal weld zone 31 parts of described circuit board 3 front ends are contained in the host cavity 130 of insulating body 1, weld part 23 with four pairs of differential pair signal terminals is welded in circuit board 3 same sides herein, thereby make that two sub-terminal pitch of every pair of differential pair signal terminal are nearer from (compared to existing technology four pairs of differential pair terminals being arranged at the circuit board both sides respectively), then the magnetic flux field of two of every pair of differential pair terminal sub-terminal generations when energising is owing to overlapping and direction are partly cancelled out each other mutually on the contrary, and then the magnetic flux field scope that makes every pair of differential pair terminal diminishes and it is crossing to be difficult for, and effectively reduces crosstalking between them.Then the weld part 23,24 of conducting terminal 2 etc. is welded mutually with first conducting strip 311 of correspondence, and then lead is welded mutually with the second corresponding conducting strip 321.Again shielding casing 4 is assembled on the insulating body 1, its front end is surrounded on outside the insulating body 1, the occlusion part 412 of rear end and depressed part 421 parts are exposed to insulating body 1 rear side and lay respectively at the upper and lower side of circuit board 3, reduce electromagnetic interference with electric connection place that is shielded in circuit board 3.The retaining sheet 4121 of shielding casing 4 is snapped in the groove 141 of insulating body 1, moves forward with respect to insulating body 1 to prevent shielding casing 4.The face of keeping out 142 that the junction 4122 of shielding casing 4 is resisted against protuberance 14 moves backward to prevent shielding casing 4.The both sides of the wire welding area 32 of circuit board 3 are contained in the short slot 431, and the connecting portion 33 of circuit board 3 both sides welds to prevent that circuit board 3 from shaking mutually with the roof 4312 of short slot 431, diapire 4313.After above-mentioned assembling is finished, the Overmolded external mold in the rear end of baffle 4.
The utility model micro coaxial cable connector assembly 100 is arranged at the weld part 23 of the differential pair terminal of four couples transmission signal of conducting terminal 2 the same side of circuit board 3, crosstalking in the time of to effectively reduce the signal transmission, and, described earth terminal and differential pair terminal are arranged at the both sides of circuit board respectively, compared to existing technology the two is arranged alternately at interval in the circuit board both sides, has improved speed of welding; In addition, the utility model micro coaxial cable connector assembly 100 carries out dispersed placement with second conducting strip 321 of wire welding area 32, make upper and lower lip-deep second conducting strip, 321 spacings about equally, increased the spacing of second conducting strip 321 so as much as possible, greatly facilitate welding lead.Certainly, above scheme is the utility model preferred embodiment, crosstalk as only considering to reduce, the same side that the weld part 23 that the utility model also can only satisfy two sub-terminals of every pair of differential pair terminal is arranged at circuit board gets final product, and needn't require the weld part 23 of four pairs of differential pair terminals all must be arranged at the same surface of circuit board.
Claims (10)
1. micro coaxial cable connector assembly, it comprises the insulating body that is provided with the plurality of terminals groove, be contained in the conducting terminal in the insulating body respective end pilot trench, electrically connect the circuit board of conducting terminal and be connected in some leads on the circuit board, described conducting terminal comprises some differential pair terminals and the earth terminal that is provided with weld part, it is characterized in that: the upper and lower surface of described circuit board is respectively equipped with conducting strip, the weld part of described differential pair terminal and the welding portion of earth terminal two rows arrange, the weld part of described some differential pair terminals is welded on the conducting strip of the same side of circuit board, and the weld part of described earth terminal then is welded on the conducting strip of opposite side of circuit board.
2. micro coaxial cable connector assembly as claimed in claim 1 is characterized in that: described every pair of differential pair terminal comprises two sub-terminals, and the distance between the weld part of these two sub-terminals is less than the distance between adjacent two differential pair terminals.
3. micro coaxial cable connector assembly as claimed in claim 1 is characterized in that: described differential pair terminal and earth terminal include contact site, and the contact site of the contact site of described differential pair terminal and earth terminal is arranged in a row.
4. as claim 2 or 3 described micro coaxial cable connector assemblies, it is characterized in that: the weld part middle part lease making of described some differential pair terminals bends and forms, and part is tabular, and the width of described flat weld part is less than the width of the weld part of process bending.
5. micro coaxial cable connector assembly as claimed in claim 4, it is characterized in that: described circuit board is convex, described conducting strip comprises first conducting strip of being located at the narrower front end of circuit board and is located at the second circuit sheet of the rear end of circuit board broad that the weld part of described conducting terminal is welded on first conducting strip.
6. micro coaxial cable connector assembly as claimed in claim 5 is characterized in that: described spacing between first conducting strip of circuit board lower surface is not equal to the spacing between first conducting strip of circuit board upper surface.
7. as claim 1 or 6 described micro coaxial cable connector assemblies, it is characterized in that: described micro coaxial cable connector assembly also comprises a baffle, described insulating body is contained in the baffle, and the both sides of described circuit board are provided with connecting portion, and described baffle welds mutually with the connecting portion of circuit board.
8. micro coaxial cable connector assembly, it comprises the insulating body that is provided with the plurality of terminals groove, be contained in the conducting terminal in the insulating body respective end pilot trench, electrically connect the circuit board of conducting terminal and be connected in some leads on the circuit board, described conducting terminal comprises some differential pair terminals and the earth terminal that is provided with weld part, the upper and lower surface of described circuit board is respectively equipped with conducting strip, it is characterized in that: the weld part of described conducting terminal is lined up two rows, described every pair of differential pair terminal comprises at least two sub-terminals, and the weld part of two sub-terminals of described every pair of differential pair terminal is welded on the conducting strip of the same side of circuit board.
9. micro coaxial cable connector assembly as claimed in claim 8 is characterized in that: the distance between the weld part of two sub-terminals of described each differential pair terminal is less than the distance between adjacent two differential pair terminals.
10. micro coaxial cable connector assembly as claimed in claim 8 or 9, it is characterized in that: described differential pair terminal and earth terminal include contact site, and the contact site of the contact site of described differential pair terminal and earth terminal is arranged in a row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203031468U CN201440479U (en) | 2009-05-14 | 2009-05-14 | Cable connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203031468U CN201440479U (en) | 2009-05-14 | 2009-05-14 | Cable connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440479U true CN201440479U (en) | 2010-04-21 |
Family
ID=42545140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203031468U Expired - Fee Related CN201440479U (en) | 2009-05-14 | 2009-05-14 | Cable connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440479U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780118A (en) * | 2011-05-13 | 2012-11-14 | 泗阳万旭电子元件有限公司 | Digital audio-video connector structure |
| CN103545662A (en) * | 2012-07-16 | 2014-01-29 | 富士康(昆山)电脑接插件有限公司 | Cable connector module |
| CN103579821A (en) * | 2012-07-24 | 2014-02-12 | 东莞骅国电子有限公司 | Electric coupler |
| CN104158026A (en) * | 2014-08-26 | 2014-11-19 | 苏州祥龙嘉业电子科技有限公司 | Connector plug used for transmitting high-definition digital signals |
| CN104425929A (en) * | 2013-08-30 | 2015-03-18 | 台达电子工业股份有限公司 | Terminal module for RJ (ring joint) connector |
| CN111265754A (en) * | 2014-03-17 | 2020-06-12 | 费雪派克医疗保健有限公司 | Medical tube for respiratory system |
-
2009
- 2009-05-14 CN CN2009203031468U patent/CN201440479U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780118A (en) * | 2011-05-13 | 2012-11-14 | 泗阳万旭电子元件有限公司 | Digital audio-video connector structure |
| CN103545662A (en) * | 2012-07-16 | 2014-01-29 | 富士康(昆山)电脑接插件有限公司 | Cable connector module |
| CN103545662B (en) * | 2012-07-16 | 2016-01-06 | 富士康(昆山)电脑接插件有限公司 | Micro coaxial cable connector assembly |
| CN103579821A (en) * | 2012-07-24 | 2014-02-12 | 东莞骅国电子有限公司 | Electric coupler |
| CN104425929A (en) * | 2013-08-30 | 2015-03-18 | 台达电子工业股份有限公司 | Terminal module for RJ (ring joint) connector |
| CN111265754A (en) * | 2014-03-17 | 2020-06-12 | 费雪派克医疗保健有限公司 | Medical tube for respiratory system |
| CN104158026A (en) * | 2014-08-26 | 2014-11-19 | 苏州祥龙嘉业电子科技有限公司 | Connector plug used for transmitting high-definition digital signals |
| CN104158026B (en) * | 2014-08-26 | 2017-01-25 | 苏州祥龙嘉业电子科技有限公司 | Connector plug used for transmitting high-definition digital signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20110514 |