CN201956501U - Back panel connector and insulator thereof - Google Patents
Back panel connector and insulator thereof Download PDFInfo
- Publication number
- CN201956501U CN201956501U CN2010205792593U CN201020579259U CN201956501U CN 201956501 U CN201956501 U CN 201956501U CN 2010205792593 U CN2010205792593 U CN 2010205792593U CN 201020579259 U CN201020579259 U CN 201020579259U CN 201956501 U CN201956501 U CN 201956501U
- Authority
- CN
- China
- Prior art keywords
- insulator
- back panel
- panel connector
- wiring
- signal transmission
- 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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Abstract
The utility model relates to a back panel connector and an insulator thereof. The back panel connector comprises an insulator, wherein strip-shaped wiring slots used in pairs are formed on the surface of the insulator; signal transmission wires are laid in the wiring slots; and grooves are formed at the slot bottom of a longer wiring slot in the pair of wiring slots. In the utility model, as the grooves are formed at the slot bottom of the longer wiring slot in the pair of wiring slots which are formed on the surface of the insulator of the back panel connector and used in pairs, when wires are laid in the wiring slots, the parts of the signal transmission wires at the grooves are exposed in the air instead of being in contact with the insulator; and as the signal transmission rate is in inverse proportion to the square root of the dielectric constant of an insulating medium, the dielectric constant of air is approximately equal to 1, and the dielectric constant of the insulator is larger than 1, when signals transmitted in the signal transmission wires pass through the grooves, the signal transmission rate is increased because the signal transmission wires at the grooves are exposed in the air, accordingly, the delay time difference of differential signals is shortened or even eliminated.
Description
Technical field
The utility model relates to a kind of back panel connector that is used for differential signal transmission, and simultaneously, the utility model also relates to the insulator of this connector.
Background technology
Back panel connector can be used for differential signal transmission, differential signal is to transmit by a pair of parallel transmission signal line, as shown in Figure 1, one in a pair of transmission signal line is used for transmitting needed signal 1, another root is used for transmitting its complementary signal 4, final by comparator 5 these differences of output to signal, when signal is interfered in transmission course and makes distorted signals entrained on the transmission signal line, produced unwanted signals 2 respectively because of disturbing on signal 1 and the complementary signal 4, the amplitude of the unwanted signals on signal 1 and the complementary signal 4 all is consistent with phase place, when the difference signal of two transmission signal lines of output, the amplitude of useful signal will double, and the hazardous noise that produces owing to external interference in transmission course will be cancelled.But differential signal requires very high to the equal length of two transmission signal lines, if two transmission signal lines are not isometric, dislocation will appear in positive and negative two paths of signals, not only can't eliminate hazardous noise, also may cause signal distortion, data show when delay inequality greater than the signal period 1/10th the time, may cause the differential signal inefficacy.The transmission signal line of High speed rear panel connector is laid on its insulator, shown in Fig. 2 and 3, insulator 6 is a sheet-like insulator, the surface of insulator is provided with the wiring groove 7 of paired use, the two ends of each wiring groove extend to two sides that sheet-like insulator is faced mutually respectively, each wiring groove 7 by two sections or more the groove section bending of multistage be formed by connecting, differential lines is laid in the wiring groove 7 of paired use to 9 correspondences, because differential lines is to 9 coplane wirings in same interlayer, such two differential lines just can not be isometric, when differential signal can produce delay inequality when differential lines centering different in size is transmitted, two paths of signals is misplaced, when the transmission rate of signal is not too high, signal period is long, and the time difference that this dislocation causes can not surpass 1/10th of the signal period, can not produce serious consequence, but for the ultrahigh speed differential signal more than the 15Gbps, this time difference will be fatal defective.
The utility model content
The purpose of this utility model is to provide a kind of back panel connector, make the problem that dislocation takes place at the two paths of signals of differential lines centering transmission to solve in the prior art owing to the right length of differential lines there are differences, the purpose of this utility model also is to provide the insulator of this back panel connector simultaneously.
For achieving the above object, back panel connector of the present utility model adopts following technical scheme: a kind of back panel connector, comprise sheet-like insulator, the surface of insulator is provided with the strip wiring groove of paired use, be laid with transmission signal line in the wiring groove, one bottom land long in a pair of wiring groove is provided with recessed groove.
Described recessed groove is more than one.
Described recessed groove is back-shaped recessed groove.
The insulator of back panel connector of the present utility model adopts following technical scheme:
A kind of insulator of back panel connector, the surface of this insulator are provided with the strip wiring groove of paired use, are laid with transmission signal line in the wiring groove, and one bottom land long in a pair of wiring groove is provided with recessed groove.
Described recessed groove is more than one.
Described recessed groove is back-shaped recessed groove.
One long bottom land in the wiring groove of the paired use of the insulator surface of back panel connector of the present utility model is provided with recessed groove, when in the wiring groove during wiring, the transmission signal line part that is in the recessed groove place does not contact with insulator but is exposed in the air, because the square root of the dielectric constant of signal transmission rate and dielectric is inversely proportional to, the dielectric constant of air is approximately 1, and the dielectric constant of insulator is all greater than 1, when signal transmits in transmission signal line, during through recessed groove, because this part transmission signal line is exposed in the air, the speed of signal will improve, thereby shorten even eliminate the delay inequality of differential signal.
Description of drawings
Fig. 1 is the transmission principle figure of differential signal;
Fig. 2 is the structural representation of the insulator of prior art dorsulum connector;
Fig. 3 is the right schematic diagram of arranging of differential lines in the prior art;
Fig. 4 is the structural representation that back panel connector of the present utility model is laid with the right insulator of differential lines;
Fig. 5 is the structural representation of the insulator of back panel connector of the present utility model.
Embodiment
A kind of embodiment of back panel connector, the structural representation of back panel connector is not provided here, back panel connector is to be provided with the right insulator stack of differential lines and to be installed in to connect in the housing by one group to form, because inventive point of the present utility model on insulator, has therefore saved the structural representation of back panel connector.In Fig. 4 and Fig. 5, back panel connector comprises insulator 6, insulator 6 is tabular, the surface of insulator 6 is provided with the strip wiring groove 7 of paired use, the two ends of each wiring groove 7 extend to respectively on two adjacent sides of insulator, each wiring groove 7 by two sections or more the groove section bending of multistage be formed by connecting, has certain angle between the adjacent groove section, because wiring groove 7 is arranged in the same interlayer of insulator, each wiring groove co-planar arrangement, therefore, the length of two wiring grooves 7 that use differs in pairs, and one bottom land long in a pair of wiring groove is provided with back-shaped recessed groove 8.It is also different to be arranged on the right length of wiring groove on the same insulator, and the wiring groove centering long in length is provided with two back-shaped recessed grooves, and the wiring groove centering short in length is provided with a back-shaped recessed groove.
A kind of embodiment of insulator of back panel connector, in Fig. 5, in conjunction with Fig. 4, this insulator is the insulator of the back panel connector among above-mentioned Fig. 4, and the principal character of insulator is: the wiring groove centering on this insulator surface bottom land of that long wiring groove is provided with back-shaped recessed groove.
It among the above embodiment delay inequality that reduces or eliminate differential lines centering differential signal, in the wiring groove of the right long transmission signal line of differential lines, be provided with back-shaped recessed groove, and in the long wiring groove of the right length of differential lines, be provided with two recessed grooves, these two recessed grooves are provided with at interval, like this, compensation is all arranged in each section transmission range, make the differential signal that internally transmits in differential lines keep synchronous constantly, when being subjected to external interference, interference signal can be cancelled out each other when the output difference signal like this.If delay inequality of long back-shaped recessed groove compensate for poor sub-signal only is set in long wiring groove, even if when the output difference signal, signal distortion can not occur, but because differential signal is all asynchronous in the time of majority in transmission course, dislocation also can appear in noise signal when output, so not only noise signal can be do not eliminated, also the more noise signal can be occurred.
Laid two back-shaped recessed grooves in the wiring groove among the above embodiment at most, also can lay more as required.
Claims (6)
1. a back panel connector comprises sheet-like insulator, and the surface of insulator is provided with the strip wiring groove of paired use, is laid with transmission signal line in the wiring groove, it is characterized in that: one bottom land long in a pair of wiring groove is provided with recessed groove.
2. back panel connector according to claim 1 is characterized in that: described recessed groove is more than one.
3. back panel connector according to claim 1 and 2 is characterized in that: described recessed groove is back-shaped recessed groove.
4. the insulator of a back panel connector, the surface of this insulator is provided with the strip wiring groove of paired use, is laid with transmission signal line in the wiring groove, it is characterized in that: one bottom land long in a pair of wiring groove is provided with recessed groove.
5. the insulator of back panel connector according to claim 4, it is characterized in that: described recessed groove is more than one.
6. according to the insulator of claim 4 or 5 described back panel connectors, it is characterized in that: described recessed groove is back-shaped recessed groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205792593U CN201956501U (en) | 2010-10-27 | 2010-10-27 | Back panel connector and insulator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205792593U CN201956501U (en) | 2010-10-27 | 2010-10-27 | Back panel connector and insulator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956501U true CN201956501U (en) | 2011-08-31 |
Family
ID=44500603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205792593U Expired - Fee Related CN201956501U (en) | 2010-10-27 | 2010-10-27 | Back panel connector and insulator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108475888A (en) * | 2016-01-12 | 2018-08-31 | 安费诺富加宜（亚洲）私人有限公司 | Differential pair signal contact with offset correction |
| CN108923198A (en) * | 2018-08-27 | 2018-11-30 | 四川华丰企业集团有限公司 | Air insulated alternating expression cabling electric connector and electronic equipment |
-
2010
- 2010-10-27 CN CN2010205792593U patent/CN201956501U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108475888A (en) * | 2016-01-12 | 2018-08-31 | 安费诺富加宜（亚洲）私人有限公司 | Differential pair signal contact with offset correction |
| US10498086B2 (en) | 2016-01-12 | 2019-12-03 | Fci Usa Llc | Differential pair signal contacts with skew correction |
| CN108475888B (en) * | 2016-01-12 | 2020-04-17 | 安费诺富加宜（亚洲）私人有限公司 | Differential pair signal contacts with offset correction |
| CN108923198A (en) * | 2018-08-27 | 2018-11-30 | 四川华丰企业集团有限公司 | Air insulated alternating expression cabling electric connector and electronic equipment |
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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: 20110831 Termination date: 20131027 |