CN103068158B - Golden finger structure and power source module with the same - Google Patents
Golden finger structure and power source module with the same Download PDFInfo
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- CN103068158B CN103068158B CN201210583470.6A CN201210583470A CN103068158B CN 103068158 B CN103068158 B CN 103068158B CN 201210583470 A CN201210583470 A CN 201210583470A CN 103068158 B CN103068158 B CN 103068158B
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Abstract
The invention discloses a golden finger structure and a power source module with the same. The golden finger structure is used for avoiding the phenomenon that in hot plug, breakdown short circuit occurs between adjacent golden fingers due to striking and arc discharging of golden fingers. The golden finger structure comprises at least two golden fingers which are arranged in an adjacent mode, the distance between front ends of the inserted direction of the two adjacent golden fingers is larger than that between rear ends of the inserted direction, and the distance between the front ends of the inserted direction of the two adjacent golden fingers is larger than that of arc extinguishing.
Description
Technical field
The present invention relates to golden finger technical field, especially relate to a kind of golden finger structure and the power module with this golden finger structure.
Background technology
Golden finger (connecting finger) refers to the link on memory bar and between memory bank, and all signals are all transmitted by golden finger.Golden finger is made up of numerous flavous conductive contact blade, because its surface gold-plating and conductive contact blade arrangement are as finger-shaped, so be called " golden finger ".
At present, the power module of high-power high power density, because dimensional space is limited, its input, output connection all adopt golden finger to connect usually.But because the distance between every sheet golden finger is limited to the spacing of splicing ear reed and the dimensional space of module matched, therefore the distance of adjacent two panels golden finger is all little.
When carrying out hot plug, arcing of striking sparks between golden finger and splicing ear, because adjacent two panels golden finger distance is little, sparking arcing may puncture the air between golden finger and discharge, and cause short circuit, and this short circuit may cause device failure or affect working condition.
Summary of the invention
Embodiments provide a kind of golden finger structure and there is the power module of this golden finger structure, for avoiding when hot plug because golden finger sparking arcing causes puncture short between adjacent golden finger.
In view of this, a kind of golden finger structure that the embodiment of the present invention provides, can comprise:
At least two golden fingers be disposed adjacent, distance between the front end of described two golden finger direction of insertion be disposed adjacent is greater than the distance between the rear end of direction of insertion, and the distance between the front end of described two golden finger direction of insertion be disposed adjacent at least is greater than arc extinguishing distance.
In the implementation that the first is possible, the front end of described two golden finger direction of insertion be disposed adjacent is that unfilled corner is arranged, and the unfilled corner on described two golden fingers be disposed adjacent is for being oppositely arranged; Or the front end of a golden finger direction of insertion in described two golden fingers be disposed adjacent is that unfilled corner is arranged.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, described unfilled corner is L-type or circular arc type or notch cuttype.
In conjunction with the implementation that the first or the second of first aspect or first aspect are possible, in the implementation that the third is possible, described golden finger structure connects for the input and output of power module.
In conjunction with the implementation that the first or the second of first aspect or first aspect are possible, in the 4th kind of possible implementation, the distance between the front end of described two golden finger direction of insertion be disposed adjacent is 6 millimeters.
Second aspect present invention provides a kind of power module, and described power module comprises the golden finger structure as described in any one of claim 1 to 6.
In the implementation that the first is possible, described power module is primary power source module, exchanges AC/ direct current DC power module.
In conjunction with the first possible implementation of second aspect or second aspect, in the implementation that the second is possible, also comprise the splicing ear reed matched with described golden finger structure in described power module, described splicing ear reed contacts with the back-end location of described golden finger direction of insertion.
As can be seen from the above technical solutions, compared to traditional golden finger connected for input and output, a kind of golden finger structure that the embodiment of the present invention provides and the power module with this golden finger structure, because the front end spacing of traditional adjacent golden finger direction of insertion is little, sparking arcing may puncture the air between golden finger and discharge, cause short circuit, therefore the distance only strengthened between the front end of adjacent golden finger direction of insertion is passed through, this spacing is at least greater than the distance needed for arc extinguishing, make the phenomenon can avoiding when hot plug causing puncture short between adjacent golden finger because of the sparking arcing of golden finger front end, and owing to not changing the spacing of golden finger entirety, the miniaturization being both beneficial to golden finger in turn ensure that golden finger through-current capability.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described describing the required accompanying drawing used to embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The simplified schematic diagram of a kind of golden finger structure that Fig. 1 provides for the embodiment of the present invention;
The simplified schematic diagram of golden finger structure in the power module that Fig. 2 provides for the embodiment of the present invention;
Another simplified schematic diagram of golden finger structure in the power module that Fig. 3 provides for the embodiment of the present invention;
Another simplified schematic diagram of golden finger structure in the power module that Fig. 4 provides for the embodiment of the present invention;
Another simplified schematic diagram of golden finger structure in the power module that Fig. 5 provides for the embodiment of the present invention;
The design size schematic diagram of the golden finger structure that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Embodiments provide a kind of golden finger structure and there is the power module of this golden finger structure, for avoiding when hot plug because golden finger sparking arcing causes puncture short between adjacent golden finger.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below be described in detail respectively.
Please refer to Fig. 1, the schematic diagram of a kind of golden finger structure that Fig. 1 provides for the embodiment of the present invention, wherein, described golden finger structure comprises:
At least two golden fingers be disposed adjacent, distance between the front end of described two golden finger direction of insertion be disposed adjacent is greater than the distance between the rear end of direction of insertion, and the distance between the front end of described two golden finger direction of insertion be disposed adjacent at least is greater than arc extinguishing distance.
Be understandable that, in embodiments of the present invention, arc extinguishing distance refers to can not by arc through between adjacent golden finger, or the distance that can automatically will meet required for arc extinction when alternating voltage zero-crossing after puncturing, when this distance size depends on that golden finger is thrown off or connected, the operating voltage between adjacent golden finger and operating current.Wherein arc extinguishing distance may have different values in different practical application scenes, but in this distance or under being greater than this distance, can ensure to realize arc extinguishing between components and parts, not do concrete restriction herein.Such as, under general single phase alternating current (A.C.) electrical network input condition, between live wire (Live Wire) golden finger (can be described as golden finger L to hold) and zero line (Neutral wire) golden finger (can be described as golden finger N to hold), this arc extinguishing distance can be 6mm.
Be understandable that, as shown in Figure 1, the direction that golden finger inserts can be thought in direction indicated by thick-line arrow, wherein, the front end of two adjacent golden finger direction of insertion is narrower than the rear end of golden finger direction of insertion, and the distance B between the front end of shown golden finger direction of insertion is greater than the distance b between the rear end of golden finger direction of insertion.
From the above, compared to traditional golden finger connected for input and output, a kind of golden finger structure that the embodiment of the present invention provides, it passes through the distance B strengthened between the front end of adjacent golden finger direction of insertion, this spacing B is at least greater than the distance needed for arc extinguishing, makes the phenomenon can avoiding when hot plug causing puncture short between adjacent golden finger because of the sparking arcing of golden finger front end; And owing to not changing the spacing of golden finger entirety, the miniaturization being both beneficial to golden finger in turn ensure that golden finger through-current capability.
Embody rule scene below in conjunction with described golden finger structure carries out analytic explanation to it, and wherein said golden finger structure is applied to power module, and connects as the input and output of power module; Be understandable that, this structural design can also be applied to other situations utilizing golden finger to connect as input and output, or other (during hot plugs) sparking arcing can occur and arrange the connection occasion of adjacent golden finger, do not do concrete restriction herein.
Wherein, the distance B realized between the front end of the golden finger direction of insertion that two are disposed adjacent is needed to be greater than distance b between the rear end of direction of insertion, the front end of described two golden finger direction of insertion be disposed adjacent can be arranged in unfilled corner, and the unfilled corner on described two golden fingers be disposed adjacent is for being oppositely arranged; Or the front end of a golden finger direction of insertion in described two golden fingers be disposed adjacent is, and unfilled corner is arranged, distance between the rear end b being greater than direction of insertion with the distance B between the front end meeting golden finger direction of insertion, the distance between the front end of described two golden finger direction of insertion be disposed adjacent at least is greater than arc extinguishing distance.
Please refer to Fig. 2, the simplified schematic diagram of golden finger structure 1 in the power module that Fig. 2 provides for the embodiment of the present invention, under this application scenarios, golden finger connects as the input and output of the power module under general single phase alternating current (A.C.) electrical network input condition, in this embodiment, described golden finger structure 1 comprises the golden finger of three settings adjacent each other, ground wire golden finger respectively, live wire golden finger and zero line golden finger, wherein, ground wire golden finger can be described as golden finger PE and holds, the English full name of PE is protecting earthing, simplified form of Chinese Character name is called protection conductor, namely our usually said ground wire, zero line golden finger can be described as golden finger N and holds, and is neutral end, live wire golden finger can be described as golden finger L and holds.
Be understandable that, because when hot plug, arcing of striking sparks can't occur golden finger PE end, therefore golden finger PE end can change the spacing of its front end; And golden finger N holds and arcing may occur to strike sparks golden finger L end, therefore golden finger N end and golden finger L hold as needing two golden fingers be disposed adjacent changed the spacing of its front end, the front end of its direction of insertion is that unfilled corner is arranged, namely the front end of direction of insertion is narrower than rear end, as Fig. 2, the unfilled corner position, front end that described golden finger N holds is arranged in " L-type ", and namely the horizontal sides of unfilled corner and vertical edges are that right angle is arranged; Wherein, because golden finger N holds the unfilled corner of the unfilled corner of front end and the front end of golden finger L end for being oppositely arranged, namely the front end that golden finger L holds can think that symmetrical with it anti-" L-type " is arranged, thus the distance B between the front end that described golden finger N end and golden finger L are held is greater than the distance b between described golden finger N end and the rear end of golden finger L end, and distance B is at least greater than arc extinguishing distance.
It should be noted that, under the present embodiment application scenarios, golden finger is applied in single phase alternating current (A.C.) electrical network input condition, therefore two golden fingers be disposed adjacent changed the spacing of front end are needed to be that golden finger N holds and golden finger L holds, be understandable that, under other application scenarios, golden finger is not applied in single phase alternating current (A.C.) electrical network input condition, be such as the situation being applied in high-power signal input, then need two golden fingers be disposed adjacent changed the spacing of front end to be the holding wire of high-power signal and the reference ground of this signal.
In the present embodiment application scenarios, the distance between the front end of described two golden finger direction of insertion be disposed adjacent is 6 millimeters, namely can think that in this execution mode, described arc extinguishing distance is 6 millimeters; It is contemplated that, this concrete value is a kind of preferred implementation, and in the scene that some performance is higher, the arc extinguishing distance that may need can be less, arc extinguishing distance can guarantee fund point N end with L end between realize arc extinguishing, but the concrete value of arc extinguishing distance is not limited.
It should be noted that, in this execution mode, the profile of unfilled corner arranges not necessarily " L " type of very standard, such as can arrange in obtuse angle between horizontal sides and vertical edges (namely can not be that right angle is connected), or horizontal sides than vertical edges length etc., can not be able to impact the functional realiey of golden finger structure 1.
Can in the lump with reference to figure 3, another simplified schematic diagram of golden finger structure 1 in the power module that Fig. 3 provides for the embodiment of the present invention, wherein, be obtuse angle between the front end unfilled corner position horizontal sides that described golden finger N holds and golden finger L holds and vertical edges, and golden finger N holds the unfilled corner of the front end of the unfilled corner of front end and golden finger L end to be oppositely arranged, unfilled corner spacing is at least greater than arc extinguishing and insulation distance; Can in the lump with reference to figure 4, another simplified schematic diagram of golden finger structure 1 in the power module that Fig. 4 provides for the embodiment of the present invention, wherein, the front end unfilled corner that described golden finger N holds and golden finger L holds is circular arc type, and golden finger N holds the unfilled corner of the front end of the unfilled corner of front end and golden finger L end to be oppositely arranged, unfilled corner spacing is at least greater than arc extinguishing and insulation distance; Can in the lump with reference to figure 5, another simplified schematic diagram of golden finger structure 1 in the power module that Fig. 5 provides for the embodiment of the present invention, wherein, the front end unfilled corner that described golden finger N holds and golden finger L holds is notch cuttype, and golden finger N holds the unfilled corner of the front end of the unfilled corner of front end and golden finger L end to be oppositely arranged, unfilled corner spacing is at least greater than arc extinguishing and insulation distance.
Another it is contemplated that in the embodiment of the present invention only with golden finger front end unfilled corner for L-type or circular arc type or notch cuttype are analyzed as an example, but not as a limitation of the invention; Namely, in actual design, the front end unfilled corner that described golden finger N holds and golden finger L holds and rear end type of attachment are not limited to several forms described in above-described embodiment, are not specifically addressed herein.
Further, can with reference to figure 6, the design size schematic diagram of the golden finger structure that Fig. 6 provides for the embodiment of the present invention, hold and L end as the golden finger N of input and output in power module, particularly, the size of golden finger front end unfilled corner size in the golden finger structure 1 that the embodiment of the present invention provides, under the application scenarios of reality, can design based on under type: one, the width A of golden finger, also can think that golden finger N end and L hold the width of the rear end of direction of insertion, it is mainly according to through-flow needs, golden finger paving copper thickness and the current density allowed are arranged, its width needs to ensure enough through-current capabilities and structural strength, they are two years old, the spacing of golden finger N end and L end, first front end spacing B, at least need to be greater than arc extinguishing distance, namely when there is sparking arcing, front end spacing B can play the effect of arc extinguishing insulation, next is that golden finger N holds and L holds rear end spacing b, at least need to be greater than insulation distance, insulation distance refers to the safety insulation distance of demand fulfillment between adjacent golden finger, this distance b is with the type of insulation of demand fulfillment, operating voltage, the class of pollution, the height above sea levels of work etc. are relevant, the safety standard that concrete reference is relevant, as EN60950 etc., in the present embodiment, front end spacing B can be 6 millimeters, insulation distance require be 2.6 millimeters actual be 3.2 millimeters, be understandable that, the embodiment of the present invention does not limit the concrete value of arc extinguishing Distance geometry insulation distance, they are three years old, the unfilled corner that golden finger N holds and L holds is at the length C of direction of insertion and D, wherein, length C needs to ensure that the splicing ear reed 2 coordinated with golden finger is in the wider position of golden finger, thus ensure that through-current capability, namely described splicing ear reed 2 contacts with the back-end location of described golden finger direction of insertion, and therefore the concrete splicing ear reed 2 according to coordinating with golden finger of length C value decides, length D is relevant with the value of length C, between the size of 0 to C.
Be understandable that, only front end unfilled corner is held to be the design analysis that " L " type (non-standard shown in Fig. 3 " L " type) carries out size for golden finger N end and L in Fig. 6, this size design analysis is equally applicable to two adjacent golden fingers that other unfilled corner shapes are arranged, and does not do concrete restriction herein.
From the above, compared to traditional golden finger connected for input and output, a kind of golden finger structure that the embodiment of the present invention provides is applied to power module, and connect as the input and output of power module, it is by strengthening the distance B between adjacent golden finger N end and the unfilled corner of L end, this spacing B is at least greater than the distance needed for arc extinguishing, makes the phenomenon can avoiding when hot plug causing puncture short between adjacent golden finger N end and L end because golden finger N end and L hold the sparking arcing of front-end port position; And owing to not changing the spacing of golden finger entirety, the miniaturization being both beneficial to golden finger in turn ensure that golden finger through-current capability.
Because the design of this golden finger structure 1, the embodiment of the present invention also provides a kind of power module, wherein, comprise the golden finger structure 1 as described in above-described embodiment, described power module can be primary power source module, exchanges AC (Alternating Current)/direct current DC (Direct Current) power module etc.; As the power module that server power supply etc. utilizes golden finger to connect as input and output; Can in the lump referring to figs. 2 to Fig. 5, described golden finger structure connects as the input and output of power module, be understandable that, this structural design can also be applied to other situations utilizing golden finger to connect as input and output, or there is sparking arcing and arrange the connection occasion of adjacent golden finger in other (during hot plugs), does not do concrete restriction herein.
In addition, also comprise the splicing ear reed 2 matched with described golden finger structure 1 in described power module, described splicing ear reed 2 contacts with the back-end location of described golden finger direction of insertion.Can with reference to figure 6, the length C namely in golden finger structure 1 needs to ensure that the splicing ear reed 2 coordinated with golden finger is in the wider position of golden finger, thus ensures through-current capability.
From the above, compared to traditional power module utilizing golden finger to connect as input and output, a kind of power module with golden finger structure that the embodiment of the present invention provides, it passes through the distance strengthened between the front end of adjacent golden finger direction of insertion, this spacing is at least greater than the distance needed for arc extinguishing, makes the phenomenon can avoiding when hot plug causing puncture short between adjacent golden finger because of the sparking arcing of golden finger front end; And owing to not changing the spacing of golden finger entirety, the miniaturization being both beneficial to golden finger in turn ensure that golden finger through-current capability.
Above a kind of golden finger structure provided by the present invention and the power module with this golden finger structure are described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. a golden finger structure, is characterized in that, comprising:
At least two golden fingers be disposed adjacent, distance between the front end of described two golden finger direction of insertion be disposed adjacent is greater than the distance between the rear end of direction of insertion, and the distance between the front end of described two golden finger direction of insertion be disposed adjacent at least is greater than arc extinguishing distance;
Wherein, comprising:
The front end of described two golden finger direction of insertion be disposed adjacent is that unfilled corner is arranged, and the unfilled corner on described two golden fingers be disposed adjacent is for being oppositely arranged; Or the front end of a golden finger direction of insertion in described two golden fingers be disposed adjacent is that unfilled corner is arranged;
Described unfilled corner is L-type, and the unfilled corner of described L-type comprises horizontal sides and vertical edges;
Distance between the front end of described two golden finger direction of insertion be disposed adjacent at least be greater than arc extinguishing distance be specially described adjacent two arrange golden finger direction of insertion front end L-type unfilled corner vertical edges between distance be greater than arc extinguishing distance.
2. golden finger structure according to claim 1, is characterized in that, described golden finger structure connects for the input and output of power module.
3. golden finger structure according to claim 1, is characterized in that, the distance between the front end of described two golden finger direction of insertion be disposed adjacent is 6 millimeters.
4. a power module, is characterized in that, described power module comprises the golden finger structure as described in any one of claims 1 to 3.
5. power module according to claim 4, is characterized in that, described power module is primary power source module, exchanges AC/ direct current DC power module.
6. the power module according to claim 4 or 5, is characterized in that, also comprises the splicing ear reed matched with described golden finger structure in described power module, and described splicing ear reed contacts with the back-end location of described golden finger direction of insertion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583470.6A CN103068158B (en) | 2012-12-28 | 2012-12-28 | Golden finger structure and power source module with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583470.6A CN103068158B (en) | 2012-12-28 | 2012-12-28 | Golden finger structure and power source module with the same |
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| Publication Number | Publication Date |
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| CN103068158A CN103068158A (en) | 2013-04-24 |
| CN103068158B true CN103068158B (en) | 2015-07-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238903A (en) * | 2021-05-14 | 2021-08-10 | 山东英信计算机技术有限公司 | Slot position detection device for memory slot on main board |
| CN113271150B (en) * | 2021-05-17 | 2022-06-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221866A (en) * | 2011-05-31 | 2011-10-19 | 浪潮电子信息产业股份有限公司 | Method for designing uniform current module circuit |
| CN202269098U (en) * | 2011-10-20 | 2012-06-06 | 深圳市五株电路板有限公司 | Circuit board processing structure with long and short goldfingers |
| CN102686022A (en) * | 2011-03-17 | 2012-09-19 | 竞陆电子(昆山)有限公司 | Improved structure of edge connectors of circuit board |
| CN202617513U (en) * | 2012-04-17 | 2012-12-19 | 深圳市奔创电子有限公司 | PCB precise circuit board with connecting fingers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09312507A (en) * | 1996-05-20 | 1997-12-02 | Oki Electric Ind Co Ltd | High frequency circuit board and connection method of the same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102686022A (en) * | 2011-03-17 | 2012-09-19 | 竞陆电子(昆山)有限公司 | Improved structure of edge connectors of circuit board |
| CN102221866A (en) * | 2011-05-31 | 2011-10-19 | 浪潮电子信息产业股份有限公司 | Method for designing uniform current module circuit |
| CN202269098U (en) * | 2011-10-20 | 2012-06-06 | 深圳市五株电路板有限公司 | Circuit board processing structure with long and short goldfingers |
| CN202617513U (en) * | 2012-04-17 | 2012-12-19 | 深圳市奔创电子有限公司 | PCB precise circuit board with connecting fingers |
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