CN201860512U - Filter array board and flexible printed plate thereof - Google Patents
Filter array board and flexible printed plate thereof Download PDFInfo
- Publication number
- CN201860512U CN201860512U CN2010202871767U CN201020287176U CN201860512U CN 201860512 U CN201860512 U CN 201860512U CN 2010202871767 U CN2010202871767 U CN 2010202871767U CN 201020287176 U CN201020287176 U CN 201020287176U CN 201860512 U CN201860512 U CN 201860512U
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- contact
- pad
- flexible printed
- printed circuit
- paper tinsel
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Abstract
The utility model discloses a filter array board and a flexible printed plate thereof, top and bottom metal foils of the flexible printed plate are all provided with conductive wiring, contact member through holes, solder pads and a grounding portion, the flexible printed plate is provided with first and second sets of contact member mounting holes, two solder pads arranged on the top metal foil for soldering a patch capacitor are defined as first and second solder pads; the conductive wiring of the top metal foil is connected between the first solder pad and a contact member through hole corresponding to the first set of contact member mounting holes, and between the second solder pad and the grounding portion in a communication manner; two solder pads arranged on the bottom metal foil for soldering a patch capacitor are defined as third and fourth solder pads; the conductive wiring of the bottom metal foil is connected between the third solder pad and a contact member through hole corresponding to the second set of contact member mounting holes, and between the fourth solder pad and the grounding portion. According to the utility model, it is possible to reduce cost by using the patch capacitors, and improve stress resistance by using the flexible printed plate.
Description
Technical field
The utility model relates to filter array plate.
Background technology
Along with electronics, electric equipment microelectronics technology, system is more and more higher for the requirement of anti-electromagnetic interference, and in order to reach the electromagnetic compatibility effect of entire system, it is an effective method that circuit board module is carried out the electromagnetic compatibility processing.The filter array plate bulk is little, easy to use, is used widely on circuit board module.Existing a kind of filter array plate as shown in figure 12, comprise metal ground plate 31, be parallel to the tubular type electric capacity 33 between contact 32 and the metal ground plate, because it has used the tubular type electric capacity that is welded on the metallic plate, and tubular type electric capacity price is higher, so product cost height, and the tubular type electric capacity of ceramic material and metal parts welding, anti-stress performance is poor.
The utility model content
The purpose of this utility model is to provide a kind of flexible printed circuit that is used for filter array plate, to solve the defective of the existing anti-stress difference of filter array panel products, provides the filter array plate that uses this flexible printed circuit simultaneously.
The technical scheme of flexible printed circuit of the present utility model is: a kind of flexible printed circuit, comprise the insulated substrate of deflection and cover top in insulated substrate, the top of the mutual not conducting on the base plate face, the underlying metal paper tinsel, flexible printed circuit is provided with a plurality of perforations top, the contact installing hole of underlying metal paper tinsel and insulated substrate, be equipped with conducting wiring on every layer of metal forming, the contact perforation corresponding with described contact installing hole, the pad that is used for soldering surface mounted electric capacity, and be located at pad and conducting wiring the grounded part that is used for filter circuit ground connection with exterior domain, described a plurality of contact installing hole is divided into first, second liang of group, two copper land defines that welded a patch capacitor being used on the top-level metallic paper tinsel are first, two pads, the conducting wiring conducting of top-level metallic paper tinsel is connected at: between the pairing contact perforation of first pad and the first set of contact part installing hole, between second pad and the grounded part; Two copper land defines that welded a patch capacitor being used on the underlying metal paper tinsel are third and fourth pad, and the conducting wiring conducting of underlying metal paper tinsel is connected at: between the pairing contact perforation of the 3rd pad and the second set of contact part installing hole, between the 4th pad and the grounded part.
The pairing contact perforation of described first and second set of contact part installing hole is divided into upper and lower two row by rectangular array on each layer metal forming, pad becomes line direction to be arranged between the perforation of the row of two on each layer metal forming contact.
Be welded with patch capacitor on the described pad.
All be uniformly distributed with the contact pin shell fragment that is connected with the metal forming one more than three around described each contact perforation along the circumference, an end of each contact pin shell fragment is connected with metal forming, and the other end freely overhangs towards contact perforation center.
The technical scheme of filter array plate of the present utility model is: a kind of filter array plate, comprise shell and the insulator that wherein assembles, flexible printed circuit, be inserted with a plurality of contacts that from insulator and housing, pass on the flexible printed circuit, flexible printed circuit comprises the insulated substrate of deflection and covers top in insulated substrate, the top of the mutual not conducting on the base plate face, the underlying metal paper tinsel, flexible printed circuit is provided with a plurality of perforations top, the contact installing hole of underlying metal paper tinsel and insulated substrate is equipped with conducting wiring on every layer of metal forming, the contact perforation corresponding with described contact installing hole, be welded with the pad of patch capacitor, and be located at pad and conducting wiring the grounded part that patch capacitor is connected with the shell conduction that is used for exterior domain; Described a plurality of contact installing hole is divided into first, second two groups, two copper land defines that welded a patch capacitor being used on the top-level metallic paper tinsel are first and second pad, and the conducting wiring conducting of top-level metallic paper tinsel is connected at: between the pairing contact perforation of first pad and the first set of contact part installing hole, between second pad and the grounded part; Two copper land defines that welded a patch capacitor being used on the underlying metal paper tinsel are third and fourth pad, and the conducting wiring conducting of underlying metal paper tinsel is connected at: between the pairing contact perforation of the 3rd pad and the second set of contact part installing hole, between the 4th pad and the grounded part.
The pairing contact perforation of described first and second set of contact part installing hole is divided into upper and lower two row by rectangular array on each layer metal forming, pad becomes line direction to be arranged between the perforation of the row of two on each layer metal forming contact.
Described shell is fastened by forward and backward ground plate and forms, insulator is the forward and backward insulator that is assemblied in the shell, described flexible printed circuit is located between the forward and backward insulator, and described flexible printed circuit is provided with location hole and the boss that corresponding locator card is joined with the opposite face of front and back insulator.
Described flexible printed circuit periphery convexes with the grounding elastic part of the shell conducting of and filter array plate outward extending from its grounded part.
All be uniformly distributed with the contact pin shell fragment that is connected with the metal forming one more than three around described each contact perforation along the circumference, an end of each contact pin shell fragment is connected with metal forming, and the other end freely overhangs towards contact perforation center.
Described contact pin shell fragment is a tip of the tongue ligulate shell fragment inwardly, leaves radial clearance between the adjacent ligulate shell fragment.
The utility model uses patch capacitor to replace traditional tubular type electric capacity, can reduce the cost of filter array plate, adopt flexible flexible printed circuit, improved the anti-stress performance of product, and the two sides of flexible printed circuit of the present utility model is provided for the pad of soldering surface mounted electric capacity respectively, and the conducting wiring that adopts printed board realize two set of contact parts respectively with the two sides on patch capacitor in parallel, thereby the Installation Stress of filter capacitor is disperseed, further improve the anti-stress performance of product.
Description of drawings
Fig. 1 is the structural representation of the embodiment of flexible printed circuit of the present utility model;
Fig. 2 is the structural representation of contact perforation among Fig. 1;
Fig. 3 is the structural representation behind the soldering surface mounted electric capacity of the flexible printed circuit among Fig. 1;
Fig. 4 is the stereogram of Fig. 3;
Fig. 5 is the vertical view of Fig. 3;
Fig. 6 is the conductive wiring diagram of the top-level metallic paper tinsel among Fig. 1;
Fig. 7 is the conductive wiring diagram of the underlying metal paper tinsel among Fig. 1;
Fig. 8 is the structural representation of the embodiment of filter array plate of the present utility model;
Fig. 9 is the assembling schematic diagram of Fig. 8;
Figure 10 is the sectional view of Fig. 8;
Figure 11 is the schematic diagram of filter circuit of the present utility model;
Figure 12 is the structural representation of existing filter array plate.
Embodiment
As Fig. 1～shown in Figure 7, the embodiment of flexible printed circuit of the present utility model, flexible printed circuit 1 comprises the insulated substrate of deflection and covers top in insulated substrate, the top of the mutual not conducting on the base plate face, underlying metal paper tinsel 2,3, every layer of metal forming all adopts the low preferably beryllium copper of pliability, flexible printed circuit 1 is provided with a plurality of contact installing holes that are used for contact pin or jack contact inserting, be equipped with on every layer of metal forming and the corresponding contact perforation 4 of described contact installing hole and the pad 5 that is used for soldering surface mounted electric capacity, also corresponding being provided with and the corresponding through hole of described contact installing hole on the insulated substrate.In use, patch capacitor 6 of welding on per two pads 5, the contact installing hole is divided into first and second two groups, upper and lower two row of pressing rectangular array with the corresponding contact perforation 4 of first, second two set of contact part installing hole on each layer metal forming distribute, and 5 one-tenth line directions of pad are arranged between the row of two on each layer metal forming contact perforation 4.Each layer metal forming have conducting wiring and be located at pad and conducting wiring with the grounded part that is used for filter circuit ground connection of exterior domain, grounded part is the ground connection Copper Foil, the effect of ground connection Copper Foil is to realize filter circuit ground connection, and shielding action is arranged, and has improved the electromagnetic isolation performance of filter array plate.Conducting wiring in the metal forming is obtained by the copper wiring processing mode of covering of routine, as etching.
As shown in Figure 6, with two copper land defines of the same patch capacitor of welding on the top-level metallic paper tinsel 2 is first and second pad 51,52, and described conducting wiring conducting is connected in: between the pairing contact perforation 61 of first pad 51 and the first set of contact part installing hole, between the ground connection Copper Foil 15 of second pad 52 and underlying metal paper tinsel.As shown in Figure 7, with two copper land defines of the same patch capacitor of welding on the underlying metal paper tinsel 3 is third and fourth pad 53,54, and described conducting wiring conducting is connected in: between the pairing contact perforation 62 of the 3rd pad 53 and the second set of contact part installing hole, between the ground connection Copper Foil 16 of the 4th pad 54 and underlying metal paper tinsel.The outer surface of flexible printed circuit 1 is provided with the location hole 8 that is used for adaptive filter array plate secure fit, flexible printed circuit 1 periphery convexes with that outwards overhang and the grounding elastic part 9 grounded part conducting, and the plate body both sides of flexible printed circuit 1 are provided with the fluting 21 of the riveted structure of the ground plate that is used to get out of the way adaptive filter array plate.
As shown in Figure 2, all be uniformly distributed with four contact pin shell fragments that are connected with the metal forming one at its place along the circumference around described each contact perforation 4, one end of each contact pin shell fragment is connected with metal forming, the other end freely overhangs towards contact 4 centers of boring a hole, the contact pin shell fragment is a tip of the tongue ligulate shell fragment 41 inwardly, leave radial clearance between the adjacent ligulate shell fragment, being between the tip of the tongue end of each the ligulate shell fragment around the perforation of same contact constraint, diameter dimension is arranged is the circular space of d, this circular space along with the tip of the tongue end of ligulate shell fragment 41 in the axial direction beat and radially actuating, initial value by rational design size d, can make ligulate shell fragment 41 certain decrement be arranged, guarantee contact pin and the contact reliable Elastic Contact of boring a hole with corresponding contact pin.
The shape of the contact pin shell fragment among the embodiment of above-mentioned flexible printed circuit also can be other shapes such as bar shaped, triangle, and quantity also can be three or above four.First and second set of contact part perforation in the foregoing description also can be divided into groups not according to the row distribution mode, and divides into groups according to column distribution mode or the staggered mode of ranks.
As Fig. 8～shown in Figure 11, the embodiment of filter array plate of the present utility model, comprise preceding ground plate 10 by metal material, before the shell that back ground plate 11 fastenings form and the rectangle of wherein assembling, back insulator 12,13, before, back insulator 12,13 outer end is before correspondence, back ground plate 10, the opening of offering on 11 is convexly set on the front/rear end of array board, before, back insulator 12, be folded with the flexible printed circuit 1 described in above-mentioned embodiment between 13, correspondence is equipped with contact pin 7 in each contact installing hole of flexible printed circuit 1, and the front and back end of contact pin 7 in the past, back insulator 12, the corresponding through hole of on 13 each passes filter array plate.Fig. 7 is the assembling schematic diagram of filter array plate, because the not conducting of contact pin shell fragment on flexible printed circuit top layer and the underlying metal paper tinsel, so the contact pin of top delegation (group) passes from the top-level metallic paper tinsel of printed board during assembling, be connected by the patch capacitor of the conducting wiring on the top-level metallic paper tinsel with the top-level metallic paper tinsel, the contact pin of following delegation (group) passes from the underlying metal paper tinsel of printed board, be connected by the patch capacitor of the conducting wiring on the underlying metal paper tinsel with the underlying metal paper tinsel, after contact pin is seated, compress from front and back with contact pin and printed board parts with two insulators, contact pin is provided with the shaft shoulder and cooperates with positioning step on the insulator, prevents play or axial rotation before and after the contact pin.Two insulators are provided with the boss of joining with the corresponding card of location hole 8 on the described flexible printed circuit, after forward and backward insulator compresses flexible printed circuit are fixed.At last, fasten two ground plates also with two riveted holes anti-rivetings, two ground plates compress the grounding elastic part 9 of flexible printed circuit periphery, realize the filter circuit reliable ground.
As shown in figure 11, each contact pin that assembles on the filter array plate and the operating circuit schematic diagram of patch capacitor, contact A, B and housing () between a filter capacitor in parallel, play the low-pass filtering effect, useful signal is undamped by filter array plate, and useless interference noise by the filter capacitor bypass extremely.Each contact and housing () between a same filter circuit is all arranged.
Claims (10)
1. flexible printed circuit, it is characterized in that: comprise the insulated substrate of deflection and cover top in insulated substrate, the top of the mutual not conducting on the base plate face, the underlying metal paper tinsel, flexible printed circuit is provided with a plurality of perforations top, the contact installing hole of underlying metal paper tinsel and insulated substrate, be equipped with conducting wiring on every layer of metal forming, the contact perforation corresponding with described contact installing hole, the pad that is used for soldering surface mounted electric capacity, and be located at pad and conducting wiring the grounded part that is used for filter circuit ground connection with exterior domain, described a plurality of contact installing hole is divided into first, second liang of group, two copper land defines that welded a patch capacitor being used on the top-level metallic paper tinsel are first, two pads, the conducting wiring conducting of top-level metallic paper tinsel is connected at: between the pairing contact perforation of first pad and the first set of contact part installing hole, between second pad and the grounded part; Two copper land defines that welded a patch capacitor being used on the underlying metal paper tinsel are third and fourth pad, and the conducting wiring conducting of underlying metal paper tinsel is connected at: between the pairing contact perforation of the 3rd pad and the second set of contact part installing hole, between the 4th pad and the grounded part.
2. flexible printed circuit according to claim 1, it is characterized in that: the pairing contact perforation of described first and second set of contact part installing hole is divided into upper and lower two row by rectangular array on each layer metal forming, and pad becomes line direction to be arranged between the perforation of the row of two on each layer metal forming contact.
3. flexible printed circuit according to claim 1 is characterized in that: be welded with patch capacitor on the described pad.
4. according to any described flexible printed circuit in the claim 1～3, it is characterized in that: all be uniformly distributed with the contact pin shell fragment that is connected with the metal forming one more than three around described each contact perforation along the circumference, one end of each contact pin shell fragment is connected with metal forming, and the other end freely overhangs towards contact perforation center.
5. filter array plate, it is characterized in that: comprise shell and the insulator that wherein assembles, flexible printed circuit, be inserted with a plurality of contacts that from insulator and housing, pass on the flexible printed circuit, flexible printed circuit comprises the insulated substrate of deflection and covers top in insulated substrate, the top of the mutual not conducting on the base plate face, the underlying metal paper tinsel, flexible printed circuit is provided with a plurality of perforations top, the contact installing hole of underlying metal paper tinsel and insulated substrate is equipped with conducting wiring on every layer of metal forming, the contact perforation corresponding with described contact installing hole, be welded with the pad of patch capacitor, and be located at pad and conducting wiring the grounded part that patch capacitor is connected with the shell conduction that is used for exterior domain; Described a plurality of contact installing hole is divided into first, second two groups, two copper land defines that welded a patch capacitor being used on the top-level metallic paper tinsel are first and second pad, and the conducting wiring conducting of top-level metallic paper tinsel is connected at: between the pairing contact perforation of first pad and the first set of contact part installing hole, between second pad and the grounded part; Two copper land defines that welded a patch capacitor being used on the underlying metal paper tinsel are third and fourth pad, and the conducting wiring conducting of underlying metal paper tinsel is connected at: between the pairing contact perforation of the 3rd pad and the second set of contact part installing hole, between the 4th pad and the grounded part.
6. filter array plate according to claim 5, it is characterized in that: the pairing contact perforation of described first and second set of contact part installing hole is divided into upper and lower two row by rectangular array on each layer metal forming, and pad becomes line direction to be arranged between the perforation of the row of two on each layer metal forming contact.
7. filter array plate according to claim 5, it is characterized in that: described shell is fastened by forward and backward ground plate and forms, insulator is the forward and backward insulator that is assemblied in the shell, described flexible printed circuit is located between the forward and backward insulator, and described flexible printed circuit is provided with location hole and the boss that corresponding locator card is joined with the opposite face of front and back insulator.
8. filter array plate according to claim 5 is characterized in that: described flexible printed circuit periphery convexes with the grounding elastic part of the shell conducting of and filter array plate outward extending from its grounded part.
9. according to any described filter array plate in the claim 5～8, it is characterized in that: all be uniformly distributed with the contact pin shell fragment that is connected with the metal forming one more than three around described each contact perforation along the circumference, one end of each contact pin shell fragment is connected with metal forming, and the other end freely overhangs towards contact perforation center.
10. filter array plate according to claim 9 is characterized in that: described contact pin shell fragment is a tip of the tongue ligulate shell fragment inwardly, leaves radial clearance between the adjacent ligulate shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202871767U CN201860512U (en) | 2010-08-10 | 2010-08-10 | Filter array board and flexible printed plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202871767U CN201860512U (en) | 2010-08-10 | 2010-08-10 | Filter array board and flexible printed plate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201860512U true CN201860512U (en) | 2011-06-08 |
Family
ID=44106307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202871767U Expired - Fee Related CN201860512U (en) | 2010-08-10 | 2010-08-10 | Filter array board and flexible printed plate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201860512U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823489A (en) * | 2016-01-29 | 2016-08-03 | 维沃移动通信有限公司 | Manufacturing method for circuit board of electronic compass and device |
| CN114286504A (en) * | 2021-12-30 | 2022-04-05 | 四川华拓光通信股份有限公司 | FPC with capacitor bonding pad and preparation method thereof |
-
2010
- 2010-08-10 CN CN2010202871767U patent/CN201860512U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823489A (en) * | 2016-01-29 | 2016-08-03 | 维沃移动通信有限公司 | Manufacturing method for circuit board of electronic compass and device |
| CN105823489B (en) * | 2016-01-29 | 2019-04-12 | 维沃移动通信有限公司 | The method for platemaking and device of electronic compass |
| CN114286504A (en) * | 2021-12-30 | 2022-04-05 | 四川华拓光通信股份有限公司 | FPC with capacitor bonding pad and preparation method thereof |
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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: 20110608 Termination date: 20130810 |