CN104103928A - High-performance FPC (Flexible Printed Circuit) connector - Google Patents
High-performance FPC (Flexible Printed Circuit) connector Download PDFInfo
- Publication number
- CN104103928A CN104103928A CN201410175389.3A CN201410175389A CN104103928A CN 104103928 A CN104103928 A CN 104103928A CN 201410175389 A CN201410175389 A CN 201410175389A CN 104103928 A CN104103928 A CN 104103928A
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- Prior art keywords
- contact arm
- performance
- printed circuit
- fpc connector
- flexible printed
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Abstract
The invention discloses a high-performance FPC (Flexible Printed Circuit) connector which comprises an insulation body and a plurality of conductive terminals, wherein each conductive terminal is provided with a main body part used for connecting and fixing, a first contact arm and a second contact arm which stretch forwards from the main body part and are oppositely arranged vertically, and a welding part stretching backwards from the main body part; openings facing towards an insertion surface are formed between the first contact arms and the second contact arms; the conductive terminals include at least one earthing terminal "G" and at least one differential signal terminal pair "SS"; and the earthing terminals "G" and the differential signal terminal pairs "SS" are staggered in a "GSSGSSG" form. Insertion loss of each differential signal terminal pair is controlled to be within -5dB when the scanning frequency reaches 10GHz, and no resonance is generated, so that the signal transmission is fast, the transmission frequency is high, and the signal transmission stability is good.
Description
Technical field
The present invention relates to flexible bus bar connector field, relate in particular to a kind of FPC connector.
Background technology
FPC connector, the assembly collocation uses for signal transmission such as main and FPC (Flexible Printed Circuit) flexible printed circuit board or FFC (Flexible Flat Cable) flexible flat cable, so that signal is passed to the other end by one end, reach the object that signal transmits.
FPC flexible printed circuit board or FFC flexible flat cable have the advantage such as flexing, high signal transmission arbitrarily, therefore be widely used in the fields such as various digital communication products, portable type electronic product, computer peripheral device, measuring instrument, automotive electronics, in the products such as mobile phone, digital camera, notebook computer, MID, MP3, MP4, MP5, handheld device, sound system, have light, thin, short, little four large characteristics, connected mode belongs to impermanency and connects.
Existing FPC connector is due to the limitation of its structure, and especially the structure of conducting terminal is not ideal enough, may affect stable signal transmission, has the space of lifting.Existing FPC connector antinoise signal interference performance is poor in addition.
Summary of the invention
In order to overcome the FPC connector structure of prior art, there is limitation, affect the deficiency of stable signal transmission, the invention provides a kind of high-performance FPC connector.
The technical solution adopted for the present invention to solve the technical problems is:
A high-performance FPC connector, comprising: insulating body, is provided with storage tank, and inserts the inserting surface of docking for FPC flexible printed circuit board or FFC flexible flat cable on it, a plurality of conducting terminals, be arranged in the storage tank of insulating body, each conducting terminal has for connecting, fixing main part, from main part, extend forward the first contact arm and the second contact arm being oppositely arranged up and down, and the weld part extending back from main part, between described the first contact arm and the second contact arm, form one towards the opening of inserting surface, a plurality of conducting terminals comprise that at least one earth terminal " G " and at least one group of difference signal terminal are to " SS ", earth terminal " G " is staggered with the form of " GSSGSSG " to " SS " with difference signal terminal, every group of difference signal terminal to be controlled at-5dB of insertion loss when scanning frequency reaches 10GHz with interior and produce without resonance.
For the ease of being fixed with insulating body, on described main part, be provided with the holddown groove communicating with opening, described holddown groove bottom is provided with fixed part.
Further, described fixed part comprises towards the guiding slope of a side of opening and the screens groove that is arranged on guiding rear, slope.
More firm with being connected of FPC flexible printed circuit board or FFC flexible flat cable in order to make, on described the second contact arm end face upward, be provided with first make contact and the second contact point raising up.
Further, described first make contact and the second contact point are successively set on the anterior end of the second contact arm.
On described insulating body, be also pivoted with and coordinate the presser device that FPC flexible printed circuit board or FFC flexible flat cable are clamped.
Described insulating body outside is also covered with shield shell, and shield shell two ends are respectively arranged with ground connection earclip.
Further, on described shield shell, be provided with the grounding elastic part coordinating with earth point on FPC flexible printed circuit board or FFC flexible flat cable.
The invention has the beneficial effects as follows: by the structure to conducting terminal, improve, make effect signal transmission faster, transmission frequency is higher, stable signal transmission is better, by shield shell and grounding elastic part are set, can effectively prevent electromagnetic interference, guaranteed the stability that signal connects.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present invention;
Fig. 2 is the structural representation of conducting terminal in the present invention;
Fig. 3 is the structural representation of assembled state of the present invention;
Fig. 4 is the front view that presser device of the present invention is raised state;
Fig. 5 is the front view that presser device of the present invention covers state;
Fig. 6 is that Fig. 4 is along the cutaway view of A-A line;
Fig. 7 is that Fig. 5 is along the cutaway view of B-B line;
Fig. 8 and Fig. 9 are the mated condition schematic diagrames of the present invention and FPC flexible printed circuit board or FFC flexible flat cable.
Figure 10 is the high-frequency test figure of the specific embodiment of the invention.
Embodiment
Referring to figs. 1 through Fig. 9, a kind of high-performance FPC connector of the present invention, comprising: the insulating body 1 of plastic material, is provided with storage tank 11, and inserts the inserting surface 12 of docking for FPC flexible printed circuit board or FFC flexible flat cable on it, a plurality of conducting terminals 2, be arranged in the storage tank 11 of insulating body 1, each conducting terminal 2 has for connecting, fixing main part 23, from main part 23, extend forward the first contact arm 21 and the second contact arm 22 being oppositely arranged up and down, and the weld part 24 extending back from main part 23, between described the first contact arm 21 and the second contact arm 22, form one towards the opening of inserting surface 12, a plurality of conducting terminals 2 comprise that at least one earth terminal " G " and at least one group of difference signal terminal are to " SS ", earth terminal " G " is staggered with the form of " GSSGSSG " to " SS " with difference signal terminal, every group of difference signal terminal to be controlled at-5dB of insertion loss when scanning frequency reaches 10GHz with interior and produce without resonance, presser device 3, is hubbed on insulating body 1, coordinates FPC flexible printed circuit board or FFC flexible flat cable are clamped, shield shell 4, for shield electromagnetic interference, covers on insulating body 1 outside, and two ends are respectively arranged with the ground connection earclip 41 that mould punching forms, and ground connection earclip 41 works the effect of being welded and fixed, and also plays grounding function simultaneously.
Insertion loss (IL, Insertion Loss) refer to the loss of the bearing power that occurs due to the insertion of element or device in the somewhere of transmission system, it is expressed as this element or device insert before in load received power with insert after in same load received power take the ratio that decibel is unit.
For the ease of being fixed with insulating body 1, on described main part 23, be provided with the holddown groove 231 communicating with opening, described holddown groove 231 bottoms are provided with fixed part 232, the screens groove that described fixed part 232 comprises towards the guiding slope of a side of opening and is arranged on guiding rear, slope.
More firm with being connected of FPC flexible printed circuit board or FFC flexible flat cable in order to make, on described the second contact arm 22 end face upward, be provided with first make contact 221 and the second contact point 222 raising up, described first make contact 221 and the second contact point 222 are successively set on the anterior end of the second contact arm 22, and the second contact point 222 of inner side is higher than the first make contact 221 in outside.
On described shield shell 4, be provided with the grounding elastic part 43 coordinating with earth point on FPC flexible printed circuit board or FFC flexible flat cable.By grounding elastic part, contact with the earth point on FPC flexible printed circuit board or FFC flexible flat cable, form earth shield, can effectively prevent electromagnetic interference, guaranteed the stability that signal connects.
In order to make grounding elastic part 43 ends can not scratch FPC flexible printed circuit board or FFC flexible flat cable, the free-ended end of described grounding elastic part 43 is upturned, and the middle part by grounding elastic part 43 with certain radian contacts with FPC flexible printed circuit board or FFC flexible flat cable.
In order to improve ground connection performance, the upper limb of described opening 42 is provided with two grounding elastic parts 43.
Ground connection earclip 41 both can be exposed to shield shell 4 both sides, as shown in drawings; Also can be arranged on top or the bottom of shield shell 4, thereby save the design space of client pcb board.
It should be noted that in the present invention, for convenience of description, the direction that the presser device 3 of take is dug is as upper, take relative another side as under; Take face that FPC flexible printed circuit board or FFC flexible flat cable insert as front, take relative another side as after.
Figure 10 is the high-frequency test figure of this embodiment, this high-frequency test, and instrument adopts " AGILENT E5071C radio frequency network analyzer ", and the software of use is " Ansoft HFSS ".
Certainly, the present invention, except above-mentioned execution mode, can also have other structural distortion, and these equivalent technical solutions also should be within its protection range.
Claims (8)
1. a high-performance FPC connector, is characterized in that: comprise
Insulating body (1), is provided with storage tank (11) on it, and inserts the inserting surface (12) of docking for FPC flexible printed circuit board or FFC flexible flat cable;
A plurality of conducting terminals (2), be arranged in the storage tank (11) of insulating body (1), each conducting terminal (2) has for connecting, fixing main part (23), from main part (23), extend forward the first contact arm (21) and the second contact arm (22) being oppositely arranged up and down, and the weld part (24) extending back from main part (23), between described the first contact arm (21) and the second contact arm (22), form one towards the opening of inserting surface (12), a plurality of conducting terminals (2) comprise that at least one earth terminal " G " and at least one group of difference signal terminal are to " SS ", earth terminal " G " is staggered with the form of " GSSGSSG " to " SS " with difference signal terminal, every group of difference signal terminal to be controlled at-5dB of insertion loss when scanning frequency reaches 10GHz with interior and produce without resonance.
2. a kind of high-performance FPC connector according to claim 1, is characterized in that: on described main part (23), be provided with the holddown groove (231) communicating with opening, described holddown groove (231) bottom is provided with fixed part (232).
3. a kind of high-performance FPC connector according to claim 2, is characterized in that: the screens groove that described fixed part (232) comprises towards the guiding slope of a side of opening and is arranged on guiding rear, slope.
4. a kind of high-performance FPC connector according to claim 1, is characterized in that: on described the second contact arm (22) end face upward, be provided with the first make contact (221) and the second contact point (222) that raise up.
5. a kind of high-performance FPC connector according to claim 4, is characterized in that: described first make contact (221) and the second contact point (222) are successively set on the anterior end of the second contact arm (22).
6. according to a kind of high-performance FPC connector described in any one in claim 1-5, it is characterized in that: on described insulating body (1), be also pivoted with and coordinate the presser device (3) that FPC flexible printed circuit board or FFC flexible flat cable are clamped.
7. according to a kind of high-performance FPC connector described in any one in claim 1-5, it is characterized in that: described insulating body (1) outside is also covered with shield shell (4), and shield shell (4) two ends are respectively arranged with ground connection earclip (41).
8. a kind of high-performance FPC connector according to claim 7, is characterized in that: on described shield shell (4), be provided with the grounding elastic part (43) coordinating with earth point on FPC flexible printed circuit board or FFC flexible flat cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175389.3A CN104103928B (en) | 2014-04-28 | 2014-04-28 | High-performance FPC (Flexible Printed Circuit) connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175389.3A CN104103928B (en) | 2014-04-28 | 2014-04-28 | High-performance FPC (Flexible Printed Circuit) connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104103928A true CN104103928A (en) | 2014-10-15 |
| CN104103928B CN104103928B (en) | 2017-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410175389.3A Active CN104103928B (en) | 2014-04-28 | 2014-04-28 | High-performance FPC (Flexible Printed Circuit) connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104103928B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410518A (en) * | 2015-07-30 | 2017-02-15 | 深圳市深台帏翔电子有限公司 | Link system and electric connector thereof |
| CN106877032A (en) * | 2017-02-21 | 2017-06-20 | 中航光电科技股份有限公司 | A kind of chip-type contact and the electric connector using the chip-type contact |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201623295U (en) * | 2010-01-27 | 2010-11-03 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN201893478U (en) * | 2010-10-21 | 2011-07-06 | 深圳市得润电子股份有限公司 | Crimping electric connector |
| CN202662910U (en) * | 2012-04-19 | 2013-01-09 | 深圳市得润电子股份有限公司 | LVDS connector |
| CN103078208A (en) * | 2013-01-18 | 2013-05-01 | 昆山科信成电子有限公司 | Multi-point clamping and double-side contact type FPC (flexible printed circuit) connector |
-
2014
- 2014-04-28 CN CN201410175389.3A patent/CN104103928B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201623295U (en) * | 2010-01-27 | 2010-11-03 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN201893478U (en) * | 2010-10-21 | 2011-07-06 | 深圳市得润电子股份有限公司 | Crimping electric connector |
| CN202662910U (en) * | 2012-04-19 | 2013-01-09 | 深圳市得润电子股份有限公司 | LVDS connector |
| CN103078208A (en) * | 2013-01-18 | 2013-05-01 | 昆山科信成电子有限公司 | Multi-point clamping and double-side contact type FPC (flexible printed circuit) connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410518A (en) * | 2015-07-30 | 2017-02-15 | 深圳市深台帏翔电子有限公司 | Link system and electric connector thereof |
| CN106410518B (en) * | 2015-07-30 | 2019-02-19 | 深圳市深台帏翔电子有限公司 | Chain-circuit system and its electric connector |
| CN106877032A (en) * | 2017-02-21 | 2017-06-20 | 中航光电科技股份有限公司 | A kind of chip-type contact and the electric connector using the chip-type contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104103928B (en) | 2017-01-18 |
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Address after: 518107 Derun Electronic Industrial Park, 269 Huitong Road, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN DEREN ELECTRONIC Co.,Ltd. Address before: 518107, Guangdong province Shenzhen Guangming New District Guangming Street, No. thirty-three Road, 9 Electronic Industrial Park run Patentee before: SHENZHEN DEREN ELECTRONIC Co.,Ltd. |